Resguardo inicial

linux-7.2.3/drivers/crypto/intel/Kconfig

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0
+
+source "drivers/crypto/intel/keembay/Kconfig"
+source "drivers/crypto/intel/ixp4xx/Kconfig"
+source "drivers/crypto/intel/qat/Kconfig"
+source "drivers/crypto/intel/iaa/Kconfig"

linux-7.2.3/drivers/crypto/intel/Makefile

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-y += keembay/
+obj-y += ixp4xx/
+obj-$(CONFIG_CRYPTO_DEV_QAT) += qat/
+obj-$(CONFIG_CRYPTO_DEV_IAA_CRYPTO) += iaa/

linux-7.2.3/drivers/crypto/intel/iaa/Kconfig

@@ -0,0 +1,19 @@
+config CRYPTO_DEV_IAA_CRYPTO
+	tristate "Support for Intel(R) IAA Compression Accelerator"
+	depends on CRYPTO_DEFLATE
+	depends on INTEL_IDXD
+	default n
+	help
+	  This driver supports acceleration for compression and
+	  decompression with the Intel Analytics Accelerator (IAA)
+	  hardware using the cryptographic API.  If you choose 'M'
+	  here, the module will be called iaa_crypto.
+
+config CRYPTO_DEV_IAA_CRYPTO_STATS
+	bool "Enable Intel(R) IAA Compression Accelerator Statistics"
+	depends on CRYPTO_DEV_IAA_CRYPTO
+	default n
+	help
+	  Enable statistics for the IAA compression accelerator.
+	  These include per-device and per-workqueue statistics in
+	  addition to global driver statistics.

linux-7.2.3/drivers/crypto/intel/iaa/Makefile

@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for IAA crypto device drivers
+#
+
+ccflags-y += -I $(srctree)/drivers/dma/idxd -DDEFAULT_SYMBOL_NAMESPACE='"IDXD"'
+
+obj-$(CONFIG_CRYPTO_DEV_IAA_CRYPTO) := iaa_crypto.o
+
+iaa_crypto-y := iaa_crypto_main.o iaa_crypto_comp_fixed.o
+
+iaa_crypto-$(CONFIG_CRYPTO_DEV_IAA_CRYPTO_STATS) += iaa_crypto_stats.o

linux-7.2.3/drivers/crypto/intel/iaa/iaa_crypto.h

@@ -0,0 +1,148 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2021 Intel Corporation. All rights rsvd. */
+
+#ifndef __IAA_CRYPTO_H__
+#define __IAA_CRYPTO_H__
+
+#include <linux/crypto.h>
+#include <linux/idxd.h>
+#include <uapi/linux/idxd.h>
+
+#define IDXD_SUBDRIVER_NAME		"crypto"
+
+#define IAA_DECOMP_ENABLE		BIT(0)
+#define IAA_DECOMP_FLUSH_OUTPUT		BIT(1)
+#define IAA_DECOMP_CHECK_FOR_EOB	BIT(2)
+#define IAA_DECOMP_STOP_ON_EOB		BIT(3)
+#define IAA_DECOMP_SUPPRESS_OUTPUT	BIT(9)
+
+#define IAA_COMP_FLUSH_OUTPUT		BIT(1)
+#define IAA_COMP_APPEND_EOB		BIT(2)
+
+#define IAA_COMPLETION_TIMEOUT		1000000
+
+#define IAA_ANALYTICS_ERROR		0x0a
+#define IAA_ERROR_DECOMP_BUF_OVERFLOW	0x0b
+#define IAA_ERROR_COMP_BUF_OVERFLOW	0x19
+#define IAA_ERROR_WATCHDOG_EXPIRED	0x24
+
+#define IAA_COMP_MODES_MAX		2
+
+#define FIXED_HDR			0x2
+#define FIXED_HDR_SIZE			3
+
+#define IAA_COMP_FLAGS			(IAA_COMP_FLUSH_OUTPUT | \
+					 IAA_COMP_APPEND_EOB)
+
+#define IAA_DECOMP_FLAGS		(IAA_DECOMP_ENABLE |	   \
+					 IAA_DECOMP_FLUSH_OUTPUT | \
+					 IAA_DECOMP_CHECK_FOR_EOB | \
+					 IAA_DECOMP_STOP_ON_EOB)
+
+/* Representation of IAA workqueue */
+struct iaa_wq {
+	struct list_head	list;
+
+	struct idxd_wq		*wq;
+	int			ref;
+	bool			remove;
+
+	struct iaa_device	*iaa_device;
+
+	atomic64_t		comp_calls;
+	atomic64_t		comp_bytes;
+	atomic64_t		decomp_calls;
+	atomic64_t		decomp_bytes;
+};
+
+struct iaa_device_compression_mode {
+	const char			*name;
+
+	struct aecs_comp_table_record	*aecs_comp_table;
+
+	dma_addr_t			aecs_comp_table_dma_addr;
+};
+
+/* Representation of IAA device with wqs, populated by probe */
+struct iaa_device {
+	struct list_head		list;
+	struct idxd_device		*idxd;
+
+	struct iaa_device_compression_mode	*compression_modes[IAA_COMP_MODES_MAX];
+
+	int				n_wq;
+	struct list_head		wqs;
+
+	atomic64_t			comp_calls;
+	atomic64_t			comp_bytes;
+	atomic64_t			decomp_calls;
+	atomic64_t			decomp_bytes;
+};
+
+struct wq_table_entry {
+	struct idxd_wq **wqs;
+	int	max_wqs;
+	int	n_wqs;
+	int	cur_wq;
+};
+
+#define IAA_AECS_ALIGN			32
+
+/*
+ * Analytics Engine Configuration and State (AECS) contains parameters and
+ * internal state of the analytics engine.
+ */
+struct aecs_comp_table_record {
+	u32 crc;
+	u32 xor_checksum;
+	u32 reserved0[5];
+	u32 num_output_accum_bits;
+	u8 output_accum[256];
+	u32 ll_sym[286];
+	u32 reserved1;
+	u32 reserved2;
+	u32 d_sym[30];
+	u32 reserved_padding[2];
+} __packed;
+
+int iaa_aecs_init_fixed(void);
+void iaa_aecs_cleanup_fixed(void);
+
+typedef int (*iaa_dev_comp_init_fn_t) (struct iaa_device_compression_mode *mode);
+typedef int (*iaa_dev_comp_free_fn_t) (struct iaa_device_compression_mode *mode);
+
+struct iaa_compression_mode {
+	const char		*name;
+	u32			*ll_table;
+	int			ll_table_size;
+	u32			*d_table;
+	int			d_table_size;
+	iaa_dev_comp_init_fn_t	init;
+	iaa_dev_comp_free_fn_t	free;
+};
+
+int add_iaa_compression_mode(const char *name,
+			     const u32 *ll_table,
+			     int ll_table_size,
+			     const u32 *d_table,
+			     int d_table_size,
+			     iaa_dev_comp_init_fn_t init,
+			     iaa_dev_comp_free_fn_t free);
+
+void remove_iaa_compression_mode(const char *name);
+
+enum iaa_mode {
+	IAA_MODE_FIXED,
+};
+
+struct iaa_compression_ctx {
+	enum iaa_mode	mode;
+	bool		verify_compress;
+	bool		async_mode;
+	bool		use_irq;
+};
+
+extern struct list_head iaa_devices;
+extern struct mutex iaa_devices_lock;
+
+#endif

linux-7.2.3/drivers/crypto/intel/iaa/iaa_crypto_comp_fixed.c

@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2021 Intel Corporation. All rights rsvd. */
+
+#include "idxd.h"
+#include "iaa_crypto.h"
+
+/*
+ * Fixed Huffman tables the IAA hardware requires to implement RFC-1951.
+ */
+static const u32 fixed_ll_sym[286] = {
+	0x40030, 0x40031, 0x40032, 0x40033, 0x40034, 0x40035, 0x40036, 0x40037,
+	0x40038, 0x40039, 0x4003A, 0x4003B, 0x4003C, 0x4003D, 0x4003E, 0x4003F,
+	0x40040, 0x40041, 0x40042, 0x40043, 0x40044, 0x40045, 0x40046, 0x40047,
+	0x40048, 0x40049, 0x4004A, 0x4004B, 0x4004C, 0x4004D, 0x4004E, 0x4004F,
+	0x40050, 0x40051, 0x40052, 0x40053, 0x40054, 0x40055, 0x40056, 0x40057,
+	0x40058, 0x40059, 0x4005A, 0x4005B, 0x4005C, 0x4005D, 0x4005E, 0x4005F,
+	0x40060, 0x40061, 0x40062, 0x40063, 0x40064, 0x40065, 0x40066, 0x40067,
+	0x40068, 0x40069, 0x4006A, 0x4006B, 0x4006C, 0x4006D, 0x4006E, 0x4006F,
+	0x40070, 0x40071, 0x40072, 0x40073, 0x40074, 0x40075, 0x40076, 0x40077,
+	0x40078, 0x40079, 0x4007A, 0x4007B, 0x4007C, 0x4007D, 0x4007E, 0x4007F,
+	0x40080, 0x40081, 0x40082, 0x40083, 0x40084, 0x40085, 0x40086, 0x40087,
+	0x40088, 0x40089, 0x4008A, 0x4008B, 0x4008C, 0x4008D, 0x4008E, 0x4008F,
+	0x40090, 0x40091, 0x40092, 0x40093, 0x40094, 0x40095, 0x40096, 0x40097,
+	0x40098, 0x40099, 0x4009A, 0x4009B, 0x4009C, 0x4009D, 0x4009E, 0x4009F,
+	0x400A0, 0x400A1, 0x400A2, 0x400A3, 0x400A4, 0x400A5, 0x400A6, 0x400A7,
+	0x400A8, 0x400A9, 0x400AA, 0x400AB, 0x400AC, 0x400AD, 0x400AE, 0x400AF,
+	0x400B0, 0x400B1, 0x400B2, 0x400B3, 0x400B4, 0x400B5, 0x400B6, 0x400B7,
+	0x400B8, 0x400B9, 0x400BA, 0x400BB, 0x400BC, 0x400BD, 0x400BE, 0x400BF,
+	0x48190, 0x48191, 0x48192, 0x48193, 0x48194, 0x48195, 0x48196, 0x48197,
+	0x48198, 0x48199, 0x4819A, 0x4819B, 0x4819C, 0x4819D, 0x4819E, 0x4819F,
+	0x481A0, 0x481A1, 0x481A2, 0x481A3, 0x481A4, 0x481A5, 0x481A6, 0x481A7,
+	0x481A8, 0x481A9, 0x481AA, 0x481AB, 0x481AC, 0x481AD, 0x481AE, 0x481AF,
+	0x481B0, 0x481B1, 0x481B2, 0x481B3, 0x481B4, 0x481B5, 0x481B6, 0x481B7,
+	0x481B8, 0x481B9, 0x481BA, 0x481BB, 0x481BC, 0x481BD, 0x481BE, 0x481BF,
+	0x481C0, 0x481C1, 0x481C2, 0x481C3, 0x481C4, 0x481C5, 0x481C6, 0x481C7,
+	0x481C8, 0x481C9, 0x481CA, 0x481CB, 0x481CC, 0x481CD, 0x481CE, 0x481CF,
+	0x481D0, 0x481D1, 0x481D2, 0x481D3, 0x481D4, 0x481D5, 0x481D6, 0x481D7,
+	0x481D8, 0x481D9, 0x481DA, 0x481DB, 0x481DC, 0x481DD, 0x481DE, 0x481DF,
+	0x481E0, 0x481E1, 0x481E2, 0x481E3, 0x481E4, 0x481E5, 0x481E6, 0x481E7,
+	0x481E8, 0x481E9, 0x481EA, 0x481EB, 0x481EC, 0x481ED, 0x481EE, 0x481EF,
+	0x481F0, 0x481F1, 0x481F2, 0x481F3, 0x481F4, 0x481F5, 0x481F6, 0x481F7,
+	0x481F8, 0x481F9, 0x481FA, 0x481FB, 0x481FC, 0x481FD, 0x481FE, 0x481FF,
+	0x38000, 0x38001, 0x38002, 0x38003, 0x38004, 0x38005, 0x38006, 0x38007,
+	0x38008, 0x38009, 0x3800A, 0x3800B, 0x3800C, 0x3800D, 0x3800E, 0x3800F,
+	0x38010, 0x38011, 0x38012, 0x38013, 0x38014, 0x38015, 0x38016, 0x38017,
+	0x400C0, 0x400C1, 0x400C2, 0x400C3, 0x400C4, 0x400C5
+};
+
+static const u32 fixed_d_sym[30] = {
+	0x28000, 0x28001, 0x28002, 0x28003, 0x28004, 0x28005, 0x28006, 0x28007,
+	0x28008, 0x28009, 0x2800A, 0x2800B, 0x2800C, 0x2800D, 0x2800E, 0x2800F,
+	0x28010, 0x28011, 0x28012, 0x28013, 0x28014, 0x28015, 0x28016, 0x28017,
+	0x28018, 0x28019, 0x2801A, 0x2801B, 0x2801C, 0x2801D
+};
+
+static int init_fixed_mode(struct iaa_device_compression_mode *mode)
+{
+	struct aecs_comp_table_record *comp_table = mode->aecs_comp_table;
+	u32 bfinal = 1;
+	u32 offset;
+
+	/* Configure aecs table using fixed Huffman table */
+	comp_table->crc = 0;
+	comp_table->xor_checksum = 0;
+	offset = comp_table->num_output_accum_bits / 8;
+	comp_table->output_accum[offset] = FIXED_HDR | bfinal;
+	comp_table->num_output_accum_bits = FIXED_HDR_SIZE;
+
+	return 0;
+}
+
+int iaa_aecs_init_fixed(void)
+{
+	int ret;
+
+	ret = add_iaa_compression_mode("fixed",
+				       fixed_ll_sym,
+				       sizeof(fixed_ll_sym),
+				       fixed_d_sym,
+				       sizeof(fixed_d_sym),
+				       init_fixed_mode, NULL);
+	if (!ret)
+		pr_debug("IAA fixed compression mode initialized\n");
+
+	return ret;
+}
+
+void iaa_aecs_cleanup_fixed(void)
+{
+	remove_iaa_compression_mode("fixed");
+}

linux-7.2.3/drivers/crypto/intel/iaa/iaa_crypto_stats.c

@@ -0,0 +1,280 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2021 Intel Corporation. All rights rsvd. */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/highmem.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/smp.h>
+#include <uapi/linux/idxd.h>
+#include <linux/idxd.h>
+#include <linux/dmaengine.h>
+#include "../../dma/idxd/idxd.h"
+#include <linux/debugfs.h>
+#include <crypto/internal/acompress.h>
+#include "iaa_crypto.h"
+#include "iaa_crypto_stats.h"
+
+static atomic64_t total_comp_calls;
+static atomic64_t total_decomp_calls;
+static atomic64_t total_sw_comp_calls;
+static atomic64_t total_sw_decomp_calls;
+static atomic64_t total_comp_bytes_out;
+static atomic64_t total_decomp_bytes_in;
+static atomic64_t total_completion_einval_errors;
+static atomic64_t total_completion_timeout_errors;
+static atomic64_t total_completion_comp_buf_overflow_errors;
+
+static struct dentry *iaa_crypto_debugfs_root;
+
+void update_total_comp_calls(void)
+{
+	atomic64_inc(&total_comp_calls);
+}
+
+void update_total_comp_bytes_out(int n)
+{
+	atomic64_add(n, &total_comp_bytes_out);
+}
+
+void update_total_decomp_calls(void)
+{
+	atomic64_inc(&total_decomp_calls);
+}
+
+void update_total_sw_comp_calls(void)
+{
+	atomic64_inc(&total_sw_comp_calls);
+}
+
+void update_total_sw_decomp_calls(void)
+{
+	atomic64_inc(&total_sw_decomp_calls);
+}
+
+void update_total_decomp_bytes_in(int n)
+{
+	atomic64_add(n, &total_decomp_bytes_in);
+}
+
+void update_completion_einval_errs(void)
+{
+	atomic64_inc(&total_completion_einval_errors);
+}
+
+void update_completion_timeout_errs(void)
+{
+	atomic64_inc(&total_completion_timeout_errors);
+}
+
+void update_completion_comp_buf_overflow_errs(void)
+{
+	atomic64_inc(&total_completion_comp_buf_overflow_errors);
+}
+
+void update_wq_comp_calls(struct idxd_wq *idxd_wq)
+{
+	struct iaa_wq *wq = idxd_wq_get_private(idxd_wq);
+
+	atomic64_inc(&wq->comp_calls);
+	atomic64_inc(&wq->iaa_device->comp_calls);
+}
+
+void update_wq_comp_bytes(struct idxd_wq *idxd_wq, int n)
+{
+	struct iaa_wq *wq = idxd_wq_get_private(idxd_wq);
+
+	atomic64_add(n, &wq->comp_bytes);
+	atomic64_add(n, &wq->iaa_device->comp_bytes);
+}
+
+void update_wq_decomp_calls(struct idxd_wq *idxd_wq)
+{
+	struct iaa_wq *wq = idxd_wq_get_private(idxd_wq);
+
+	atomic64_inc(&wq->decomp_calls);
+	atomic64_inc(&wq->iaa_device->decomp_calls);
+}
+
+void update_wq_decomp_bytes(struct idxd_wq *idxd_wq, int n)
+{
+	struct iaa_wq *wq = idxd_wq_get_private(idxd_wq);
+
+	atomic64_add(n, &wq->decomp_bytes);
+	atomic64_add(n, &wq->iaa_device->decomp_bytes);
+}
+
+static void reset_iaa_crypto_stats(void)
+{
+	atomic64_set(&total_comp_calls, 0);
+	atomic64_set(&total_decomp_calls, 0);
+	atomic64_set(&total_sw_comp_calls, 0);
+	atomic64_set(&total_sw_decomp_calls, 0);
+	atomic64_set(&total_comp_bytes_out, 0);
+	atomic64_set(&total_decomp_bytes_in, 0);
+	atomic64_set(&total_completion_einval_errors, 0);
+	atomic64_set(&total_completion_timeout_errors, 0);
+	atomic64_set(&total_completion_comp_buf_overflow_errors, 0);
+}
+
+static void reset_wq_stats(struct iaa_wq *wq)
+{
+	atomic64_set(&wq->comp_calls, 0);
+	atomic64_set(&wq->comp_bytes, 0);
+	atomic64_set(&wq->decomp_calls, 0);
+	atomic64_set(&wq->decomp_bytes, 0);
+}
+
+static void reset_device_stats(struct iaa_device *iaa_device)
+{
+	struct iaa_wq *iaa_wq;
+
+	atomic64_set(&iaa_device->comp_calls, 0);
+	atomic64_set(&iaa_device->comp_bytes, 0);
+	atomic64_set(&iaa_device->decomp_calls, 0);
+	atomic64_set(&iaa_device->decomp_bytes, 0);
+
+	list_for_each_entry(iaa_wq, &iaa_device->wqs, list)
+		reset_wq_stats(iaa_wq);
+}
+
+static void wq_show(struct seq_file *m, struct iaa_wq *iaa_wq)
+{
+	seq_printf(m, "    name: %s\n", iaa_wq->wq->name);
+	seq_printf(m, "    comp_calls: %llu\n",
+		   atomic64_read(&iaa_wq->comp_calls));
+	seq_printf(m, "    comp_bytes: %llu\n",
+		   atomic64_read(&iaa_wq->comp_bytes));
+	seq_printf(m, "    decomp_calls: %llu\n",
+		   atomic64_read(&iaa_wq->decomp_calls));
+	seq_printf(m, "    decomp_bytes: %llu\n\n",
+		   atomic64_read(&iaa_wq->decomp_bytes));
+}
+
+static void device_stats_show(struct seq_file *m, struct iaa_device *iaa_device)
+{
+	struct iaa_wq *iaa_wq;
+
+	seq_puts(m, "iaa device:\n");
+	seq_printf(m, "  id: %d\n", iaa_device->idxd->id);
+	seq_printf(m, "  n_wqs: %d\n", iaa_device->n_wq);
+	seq_printf(m, "  comp_calls: %llu\n",
+		   atomic64_read(&iaa_device->comp_calls));
+	seq_printf(m, "  comp_bytes: %llu\n",
+		   atomic64_read(&iaa_device->comp_bytes));
+	seq_printf(m, "  decomp_calls: %llu\n",
+		   atomic64_read(&iaa_device->decomp_calls));
+	seq_printf(m, "  decomp_bytes: %llu\n",
+		   atomic64_read(&iaa_device->decomp_bytes));
+	seq_puts(m, "  wqs:\n");
+
+	list_for_each_entry(iaa_wq, &iaa_device->wqs, list)
+		wq_show(m, iaa_wq);
+}
+
+static int global_stats_show(struct seq_file *m, void *v)
+{
+	seq_puts(m, "global stats:\n");
+	seq_printf(m, "  total_comp_calls: %llu\n",
+		   atomic64_read(&total_comp_calls));
+	seq_printf(m, "  total_decomp_calls: %llu\n",
+		   atomic64_read(&total_decomp_calls));
+	seq_printf(m, "  total_sw_comp_calls: %llu\n",
+		   atomic64_read(&total_sw_comp_calls));
+	seq_printf(m, "  total_sw_decomp_calls: %llu\n",
+		   atomic64_read(&total_sw_decomp_calls));
+	seq_printf(m, "  total_comp_bytes_out: %llu\n",
+		   atomic64_read(&total_comp_bytes_out));
+	seq_printf(m, "  total_decomp_bytes_in: %llu\n",
+		   atomic64_read(&total_decomp_bytes_in));
+	seq_printf(m, "  total_completion_einval_errors: %llu\n",
+		   atomic64_read(&total_completion_einval_errors));
+	seq_printf(m, "  total_completion_timeout_errors: %llu\n",
+		   atomic64_read(&total_completion_timeout_errors));
+	seq_printf(m, "  total_completion_comp_buf_overflow_errors: %llu\n\n",
+		   atomic64_read(&total_completion_comp_buf_overflow_errors));
+
+	return 0;
+}
+
+static int wq_stats_show(struct seq_file *m, void *v)
+{
+	struct iaa_device *iaa_device;
+
+	mutex_lock(&iaa_devices_lock);
+
+	list_for_each_entry(iaa_device, &iaa_devices, list)
+		device_stats_show(m, iaa_device);
+
+	mutex_unlock(&iaa_devices_lock);
+
+	return 0;
+}
+
+static int iaa_crypto_stats_reset(void *data, u64 value)
+{
+	struct iaa_device *iaa_device;
+
+	reset_iaa_crypto_stats();
+
+	mutex_lock(&iaa_devices_lock);
+
+	list_for_each_entry(iaa_device, &iaa_devices, list)
+		reset_device_stats(iaa_device);
+
+	mutex_unlock(&iaa_devices_lock);
+
+	return 0;
+}
+
+static int wq_stats_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, wq_stats_show, file);
+}
+
+static const struct file_operations wq_stats_fops = {
+	.open = wq_stats_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+
+static int global_stats_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, global_stats_show, file);
+}
+
+static const struct file_operations global_stats_fops = {
+	.open = global_stats_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+
+DEFINE_DEBUGFS_ATTRIBUTE(wq_stats_reset_fops, NULL, iaa_crypto_stats_reset, "%llu\n");
+
+int __init iaa_crypto_debugfs_init(void)
+{
+	if (!debugfs_initialized())
+		return -ENODEV;
+
+	iaa_crypto_debugfs_root = debugfs_create_dir("iaa_crypto", NULL);
+
+	debugfs_create_file("global_stats", 0644, iaa_crypto_debugfs_root, NULL,
+			    &global_stats_fops);
+	debugfs_create_file("wq_stats", 0644, iaa_crypto_debugfs_root, NULL,
+			    &wq_stats_fops);
+	debugfs_create_file("stats_reset", 0644, iaa_crypto_debugfs_root, NULL,
+			    &wq_stats_reset_fops);
+
+	return 0;
+}
+
+void __exit iaa_crypto_debugfs_cleanup(void)
+{
+	debugfs_remove_recursive(iaa_crypto_debugfs_root);
+}
+
+MODULE_LICENSE("GPL");

linux-7.2.3/drivers/crypto/intel/iaa/iaa_crypto_stats.h

@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2021 Intel Corporation. All rights rsvd. */
+
+#ifndef __CRYPTO_DEV_IAA_CRYPTO_STATS_H__
+#define __CRYPTO_DEV_IAA_CRYPTO_STATS_H__
+
+#if defined(CONFIG_CRYPTO_DEV_IAA_CRYPTO_STATS)
+int	iaa_crypto_debugfs_init(void);
+void	iaa_crypto_debugfs_cleanup(void);
+
+void	update_total_comp_calls(void);
+void	update_total_comp_bytes_out(int n);
+void	update_total_decomp_calls(void);
+void	update_total_sw_comp_calls(void);
+void	update_total_sw_decomp_calls(void);
+void	update_total_decomp_bytes_in(int n);
+void	update_completion_einval_errs(void);
+void	update_completion_timeout_errs(void);
+void	update_completion_comp_buf_overflow_errs(void);
+
+void	update_wq_comp_calls(struct idxd_wq *idxd_wq);
+void	update_wq_comp_bytes(struct idxd_wq *idxd_wq, int n);
+void	update_wq_decomp_calls(struct idxd_wq *idxd_wq);
+void	update_wq_decomp_bytes(struct idxd_wq *idxd_wq, int n);
+
+#else
+static inline int	iaa_crypto_debugfs_init(void) { return 0; }
+static inline void	iaa_crypto_debugfs_cleanup(void) {}
+
+static inline void	update_total_comp_calls(void) {}
+static inline void	update_total_comp_bytes_out(int n) {}
+static inline void	update_total_decomp_calls(void) {}
+static inline void	update_total_sw_comp_calls(void) {}
+static inline void	update_total_sw_decomp_calls(void) {}
+static inline void	update_total_decomp_bytes_in(int n) {}
+static inline void	update_completion_einval_errs(void) {}
+static inline void	update_completion_timeout_errs(void) {}
+static inline void	update_completion_comp_buf_overflow_errs(void) {}
+
+static inline void	update_wq_comp_calls(struct idxd_wq *idxd_wq) {}
+static inline void	update_wq_comp_bytes(struct idxd_wq *idxd_wq, int n) {}
+static inline void	update_wq_decomp_calls(struct idxd_wq *idxd_wq) {}
+static inline void	update_wq_decomp_bytes(struct idxd_wq *idxd_wq, int n) {}
+
+#endif // CONFIG_CRYPTO_DEV_IAA_CRYPTO_STATS
+
+#endif

linux-7.2.3/drivers/crypto/intel/ixp4xx/Kconfig

@@ -0,0 +1,14 @@
+config CRYPTO_DEV_IXP4XX
+	tristate "Driver for IXP4xx crypto hardware acceleration"
+	depends on (ARCH_IXP4XX || COMPILE_TEST) && IXP4XX_QMGR && IXP4XX_NPE
+	select CRYPTO_AES
+	select CRYPTO_DES
+	select CRYPTO_ECB
+	select CRYPTO_CBC
+	select CRYPTO_CTR
+	select CRYPTO_LIB_DES
+	select CRYPTO_AEAD
+	select CRYPTO_AUTHENC
+	select CRYPTO_SKCIPHER
+	help
+	  Driver for the IXP4xx NPE crypto engine.

linux-7.2.3/drivers/crypto/intel/ixp4xx/Makefile

@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_CRYPTO_DEV_IXP4XX) += ixp4xx_crypto.o

linux-7.2.3/drivers/crypto/intel/keembay/Kconfig

@@ -0,0 +1,90 @@
+config CRYPTO_DEV_KEEMBAY_OCS_AES_SM4
+	tristate "Support for Intel Keem Bay OCS AES/SM4 HW acceleration"
+	depends on HAS_IOMEM
+	depends on ARCH_KEEMBAY || COMPILE_TEST
+	select CRYPTO_SKCIPHER
+	select CRYPTO_AEAD
+	select CRYPTO_ENGINE
+	help
+	  Support for Intel Keem Bay Offload and Crypto Subsystem (OCS) AES and
+	  SM4 cipher hardware acceleration for use with Crypto API.
+
+	  Provides HW acceleration for the following transformations:
+	  cbc(aes), ctr(aes), ccm(aes), gcm(aes), cbc(sm4), ctr(sm4), ccm(sm4)
+	  and gcm(sm4).
+
+	  Optionally, support for the following transformations can also be
+	  enabled: ecb(aes), cts(cbc(aes)), ecb(sm4) and cts(cbc(sm4)).
+
+config CRYPTO_DEV_KEEMBAY_OCS_AES_SM4_ECB
+	bool "Support for Intel Keem Bay OCS AES/SM4 ECB HW acceleration"
+	depends on CRYPTO_DEV_KEEMBAY_OCS_AES_SM4
+	help
+	  Support for Intel Keem Bay Offload and Crypto Subsystem (OCS)
+	  AES/SM4 ECB mode hardware acceleration for use with Crypto API.
+
+	  Provides OCS version of ecb(aes) and ecb(sm4)
+
+	  Intel does not recommend use of ECB mode with AES/SM4.
+
+config CRYPTO_DEV_KEEMBAY_OCS_AES_SM4_CTS
+	bool "Support for Intel Keem Bay OCS AES/SM4 CTS HW acceleration"
+	depends on CRYPTO_DEV_KEEMBAY_OCS_AES_SM4
+	help
+	  Support for Intel Keem Bay Offload and Crypto Subsystem (OCS)
+	  AES/SM4 CBC with CTS mode hardware acceleration for use with
+	  Crypto API.
+
+	  Provides OCS version of cts(cbc(aes)) and cts(cbc(sm4)).
+
+	  Intel does not recommend use of CTS mode with AES/SM4.
+
+config CRYPTO_DEV_KEEMBAY_OCS_ECC
+	tristate "Support for Intel Keem Bay OCS ECC HW acceleration"
+	depends on ARCH_KEEMBAY || COMPILE_TEST
+	depends on OF
+	depends on HAS_IOMEM
+	select CRYPTO_ECDH
+	select CRYPTO_ENGINE
+	help
+	  Support for Intel Keem Bay Offload and Crypto Subsystem (OCS)
+	  Elliptic Curve Cryptography (ECC) hardware acceleration for use with
+	  Crypto API.
+
+	  Provides OCS acceleration for ECDH-256 and ECDH-384.
+
+	  Say Y or M if you are compiling for the Intel Keem Bay SoC. The
+	  module will be called keembay-ocs-ecc.
+
+	  If unsure, say N.
+
+config CRYPTO_DEV_KEEMBAY_OCS_HCU
+	tristate "Support for Intel Keem Bay OCS HCU HW acceleration"
+	select CRYPTO_HASH
+	select CRYPTO_ENGINE
+	depends on HAS_IOMEM
+	depends on ARCH_KEEMBAY || COMPILE_TEST
+	depends on OF
+	help
+	  Support for Intel Keem Bay Offload and Crypto Subsystem (OCS) Hash
+	  Control Unit (HCU) hardware acceleration for use with Crypto API.
+
+	  Provides OCS HCU hardware acceleration of sha256, sha384, sha512, and
+	  sm3, as well as the HMAC variant of these algorithms.
+
+	  Say Y or M if you're building for the Intel Keem Bay SoC. If compiled
+	  as a module, the module will be called keembay-ocs-hcu.
+
+	  If unsure, say N.
+
+config CRYPTO_DEV_KEEMBAY_OCS_HCU_HMAC_SHA224
+	bool "Enable sha224 and hmac(sha224) support in Intel Keem Bay OCS HCU"
+	depends on CRYPTO_DEV_KEEMBAY_OCS_HCU
+	help
+	  Enables support for sha224 and hmac(sha224) algorithms in the Intel
+	  Keem Bay OCS HCU driver. Intel recommends not to use these
+	  algorithms.
+
+	  Provides OCS HCU hardware acceleration of sha224 and hmac(224).
+
+	  If unsure, say N.

linux-7.2.3/drivers/crypto/intel/keembay/Makefile

@@ -0,0 +1,10 @@
+#
+# Makefile for Intel Keem Bay OCS Crypto API Linux drivers
+#
+obj-$(CONFIG_CRYPTO_DEV_KEEMBAY_OCS_AES_SM4) += keembay-ocs-aes.o
+keembay-ocs-aes-objs := keembay-ocs-aes-core.o ocs-aes.o
+
+obj-$(CONFIG_CRYPTO_DEV_KEEMBAY_OCS_ECC) += keembay-ocs-ecc.o
+
+obj-$(CONFIG_CRYPTO_DEV_KEEMBAY_OCS_HCU) += keembay-ocs-hcu.o
+keembay-ocs-hcu-objs := keembay-ocs-hcu-core.o ocs-hcu.o

linux-7.2.3/drivers/crypto/intel/keembay/keembay-ocs-ecc.c

@@ -0,0 +1,998 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Intel Keem Bay OCS ECC Crypto Driver.
+ *
+ * Copyright (C) 2019-2021 Intel Corporation
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <crypto/ecc_curve.h>
+#include <crypto/ecdh.h>
+#include <crypto/engine.h>
+#include <crypto/internal/ecc.h>
+#include <crypto/internal/kpp.h>
+#include <crypto/kpp.h>
+#include <crypto/rng.h>
+#include <linux/clk.h>
+#include <linux/completion.h>
+#include <linux/err.h>
+#include <linux/fips.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/irq.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/scatterlist.h>
+#include <linux/string.h>
+
+#define DRV_NAME			"keembay-ocs-ecc"
+
+#define KMB_OCS_ECC_PRIORITY		350
+
+#define HW_OFFS_OCS_ECC_COMMAND		0x00000000
+#define HW_OFFS_OCS_ECC_STATUS		0x00000004
+#define HW_OFFS_OCS_ECC_DATA_IN		0x00000080
+#define HW_OFFS_OCS_ECC_CX_DATA_OUT	0x00000100
+#define HW_OFFS_OCS_ECC_CY_DATA_OUT	0x00000180
+#define HW_OFFS_OCS_ECC_ISR		0x00000400
+#define HW_OFFS_OCS_ECC_IER		0x00000404
+
+#define HW_OCS_ECC_ISR_INT_STATUS_DONE	BIT(0)
+#define HW_OCS_ECC_COMMAND_INS_BP	BIT(0)
+
+#define HW_OCS_ECC_COMMAND_START_VAL	BIT(0)
+
+#define OCS_ECC_OP_SIZE_384		BIT(8)
+#define OCS_ECC_OP_SIZE_256		0
+
+/* ECC Instruction : for ECC_COMMAND */
+#define OCS_ECC_INST_WRITE_AX		(0x1 << HW_OCS_ECC_COMMAND_INS_BP)
+#define OCS_ECC_INST_WRITE_AY		(0x2 << HW_OCS_ECC_COMMAND_INS_BP)
+#define OCS_ECC_INST_WRITE_BX_D		(0x3 << HW_OCS_ECC_COMMAND_INS_BP)
+#define OCS_ECC_INST_WRITE_BY_L		(0x4 << HW_OCS_ECC_COMMAND_INS_BP)
+#define OCS_ECC_INST_WRITE_P		(0x5 << HW_OCS_ECC_COMMAND_INS_BP)
+#define OCS_ECC_INST_WRITE_A		(0x6 << HW_OCS_ECC_COMMAND_INS_BP)
+#define OCS_ECC_INST_CALC_D_IDX_A	(0x8 << HW_OCS_ECC_COMMAND_INS_BP)
+#define OCS_ECC_INST_CALC_A_POW_B_MODP	(0xB << HW_OCS_ECC_COMMAND_INS_BP)
+#define OCS_ECC_INST_CALC_A_MUL_B_MODP	(0xC  << HW_OCS_ECC_COMMAND_INS_BP)
+#define OCS_ECC_INST_CALC_A_ADD_B_MODP	(0xD << HW_OCS_ECC_COMMAND_INS_BP)
+
+#define ECC_ENABLE_INTR			1
+
+#define POLL_USEC			100
+#define TIMEOUT_USEC			10000
+
+#define KMB_ECC_VLI_MAX_DIGITS		ECC_CURVE_NIST_P384_DIGITS
+#define KMB_ECC_VLI_MAX_BYTES		(KMB_ECC_VLI_MAX_DIGITS \
+					 << ECC_DIGITS_TO_BYTES_SHIFT)
+
+#define POW_CUBE			3
+
+/**
+ * struct ocs_ecc_dev - ECC device context
+ * @list: List of device contexts
+ * @dev: OCS ECC device
+ * @base_reg: IO base address of OCS ECC
+ * @engine: Crypto engine for the device
+ * @irq_done: IRQ done completion.
+ * @irq: IRQ number
+ */
+struct ocs_ecc_dev {
+	struct list_head list;
+	struct device *dev;
+	void __iomem *base_reg;
+	struct crypto_engine *engine;
+	struct completion irq_done;
+	int irq;
+};
+
+/**
+ * struct ocs_ecc_ctx - Transformation context.
+ * @ecc_dev:	 The ECC driver associated with this context.
+ * @curve:	 The elliptic curve used by this transformation.
+ * @private_key: The private key.
+ */
+struct ocs_ecc_ctx {
+	struct ocs_ecc_dev *ecc_dev;
+	const struct ecc_curve *curve;
+	u64 private_key[KMB_ECC_VLI_MAX_DIGITS];
+};
+
+/* Driver data. */
+struct ocs_ecc_drv {
+	struct list_head dev_list;
+	spinlock_t lock;	/* Protects dev_list. */
+};
+
+/* Global variable holding the list of OCS ECC devices (only one expected). */
+static struct ocs_ecc_drv ocs_ecc = {
+	.dev_list = LIST_HEAD_INIT(ocs_ecc.dev_list),
+	.lock = __SPIN_LOCK_UNLOCKED(ocs_ecc.lock),
+};
+
+/* Get OCS ECC tfm context from kpp_request. */
+static inline struct ocs_ecc_ctx *kmb_ocs_ecc_tctx(struct kpp_request *req)
+{
+	return kpp_tfm_ctx(crypto_kpp_reqtfm(req));
+}
+
+/* Converts number of digits to number of bytes. */
+static inline unsigned int digits_to_bytes(unsigned int n)
+{
+	return n << ECC_DIGITS_TO_BYTES_SHIFT;
+}
+
+/*
+ * Wait for ECC idle i.e when an operation (other than write operations)
+ * is done.
+ */
+static inline int ocs_ecc_wait_idle(struct ocs_ecc_dev *dev)
+{
+	u32 value;
+
+	return readl_poll_timeout((dev->base_reg + HW_OFFS_OCS_ECC_STATUS),
+				  value,
+				  !(value & HW_OCS_ECC_ISR_INT_STATUS_DONE),
+				  POLL_USEC, TIMEOUT_USEC);
+}
+
+static void ocs_ecc_cmd_start(struct ocs_ecc_dev *ecc_dev, u32 op_size)
+{
+	iowrite32(op_size | HW_OCS_ECC_COMMAND_START_VAL,
+		  ecc_dev->base_reg + HW_OFFS_OCS_ECC_COMMAND);
+}
+
+/* Direct write of u32 buffer to ECC engine with associated instruction. */
+static void ocs_ecc_write_cmd_and_data(struct ocs_ecc_dev *dev,
+				       u32 op_size,
+				       u32 inst,
+				       const void *data_in,
+				       size_t data_size)
+{
+	iowrite32(op_size | inst, dev->base_reg + HW_OFFS_OCS_ECC_COMMAND);
+
+	/* MMIO Write src uint32 to dst. */
+	memcpy_toio(dev->base_reg + HW_OFFS_OCS_ECC_DATA_IN, data_in,
+		    data_size);
+}
+
+/* Start OCS ECC operation and wait for its completion. */
+static int ocs_ecc_trigger_op(struct ocs_ecc_dev *ecc_dev, u32 op_size,
+			      u32 inst)
+{
+	reinit_completion(&ecc_dev->irq_done);
+
+	iowrite32(ECC_ENABLE_INTR, ecc_dev->base_reg + HW_OFFS_OCS_ECC_IER);
+	iowrite32(op_size | inst, ecc_dev->base_reg + HW_OFFS_OCS_ECC_COMMAND);
+
+	return wait_for_completion_interruptible(&ecc_dev->irq_done);
+}
+
+/**
+ * ocs_ecc_read_cx_out() - Read the CX data output buffer.
+ * @dev:	The OCS ECC device to read from.
+ * @cx_out:	The buffer where to store the CX value. Must be at least
+ *		@byte_count byte long.
+ * @byte_count:	The amount of data to read.
+ */
+static inline void ocs_ecc_read_cx_out(struct ocs_ecc_dev *dev, void *cx_out,
+				       size_t byte_count)
+{
+	memcpy_fromio(cx_out, dev->base_reg + HW_OFFS_OCS_ECC_CX_DATA_OUT,
+		      byte_count);
+}
+
+/**
+ * ocs_ecc_read_cy_out() - Read the CX data output buffer.
+ * @dev:	The OCS ECC device to read from.
+ * @cy_out:	The buffer where to store the CY value. Must be at least
+ *		@byte_count byte long.
+ * @byte_count:	The amount of data to read.
+ */
+static inline void ocs_ecc_read_cy_out(struct ocs_ecc_dev *dev, void *cy_out,
+				       size_t byte_count)
+{
+	memcpy_fromio(cy_out, dev->base_reg + HW_OFFS_OCS_ECC_CY_DATA_OUT,
+		      byte_count);
+}
+
+static struct ocs_ecc_dev *kmb_ocs_ecc_find_dev(struct ocs_ecc_ctx *tctx)
+{
+	if (tctx->ecc_dev)
+		return tctx->ecc_dev;
+
+	spin_lock(&ocs_ecc.lock);
+
+	/* Only a single OCS device available. */
+	tctx->ecc_dev = list_first_entry(&ocs_ecc.dev_list, struct ocs_ecc_dev,
+					 list);
+
+	spin_unlock(&ocs_ecc.lock);
+
+	return tctx->ecc_dev;
+}
+
+/* Do point multiplication using OCS ECC HW. */
+static int kmb_ecc_point_mult(struct ocs_ecc_dev *ecc_dev,
+			      struct ecc_point *result,
+			      const struct ecc_point *point,
+			      u64 *scalar,
+			      const struct ecc_curve *curve)
+{
+	u8 sca[KMB_ECC_VLI_MAX_BYTES]; /* Use the maximum data size. */
+	u32 op_size = (curve->g.ndigits > ECC_CURVE_NIST_P256_DIGITS) ?
+		      OCS_ECC_OP_SIZE_384 : OCS_ECC_OP_SIZE_256;
+	size_t nbytes = digits_to_bytes(curve->g.ndigits);
+	int rc = 0;
+
+	/* Generate random nbytes for Simple and Differential SCA protection. */
+	rc = crypto_stdrng_get_bytes(sca, nbytes);
+	if (rc)
+		return rc;
+
+	/* Wait engine to be idle before starting new operation. */
+	rc = ocs_ecc_wait_idle(ecc_dev);
+	if (rc)
+		return rc;
+
+	/* Send ecc_start pulse as well as indicating operation size. */
+	ocs_ecc_cmd_start(ecc_dev, op_size);
+
+	/* Write ax param; Base point (Gx). */
+	ocs_ecc_write_cmd_and_data(ecc_dev, op_size, OCS_ECC_INST_WRITE_AX,
+				   point->x, nbytes);
+
+	/* Write ay param; Base point (Gy). */
+	ocs_ecc_write_cmd_and_data(ecc_dev, op_size, OCS_ECC_INST_WRITE_AY,
+				   point->y, nbytes);
+
+	/*
+	 * Write the private key into DATA_IN reg.
+	 *
+	 * Since DATA_IN register is used to write different values during the
+	 * computation private Key value is overwritten with
+	 * side-channel-resistance value.
+	 */
+	ocs_ecc_write_cmd_and_data(ecc_dev, op_size, OCS_ECC_INST_WRITE_BX_D,
+				   scalar, nbytes);
+
+	/* Write operand by/l. */
+	ocs_ecc_write_cmd_and_data(ecc_dev, op_size, OCS_ECC_INST_WRITE_BY_L,
+				   sca, nbytes);
+	memzero_explicit(sca, sizeof(sca));
+
+	/* Write p = curve prime(GF modulus). */
+	ocs_ecc_write_cmd_and_data(ecc_dev, op_size, OCS_ECC_INST_WRITE_P,
+				   curve->p, nbytes);
+
+	/* Write a = curve coefficient. */
+	ocs_ecc_write_cmd_and_data(ecc_dev, op_size, OCS_ECC_INST_WRITE_A,
+				   curve->a, nbytes);
+
+	/* Make hardware perform the multiplication. */
+	rc = ocs_ecc_trigger_op(ecc_dev, op_size, OCS_ECC_INST_CALC_D_IDX_A);
+	if (rc)
+		return rc;
+
+	/* Read result. */
+	ocs_ecc_read_cx_out(ecc_dev, result->x, nbytes);
+	ocs_ecc_read_cy_out(ecc_dev, result->y, nbytes);
+
+	return 0;
+}
+
+/**
+ * kmb_ecc_do_scalar_op() - Perform Scalar operation using OCS ECC HW.
+ * @ecc_dev:	The OCS ECC device to use.
+ * @scalar_out:	Where to store the output scalar.
+ * @scalar_a:	Input scalar operand 'a'.
+ * @scalar_b:	Input scalar operand 'b'
+ * @curve:	The curve on which the operation is performed.
+ * @ndigits:	The size of the operands (in digits).
+ * @inst:	The operation to perform (as an OCS ECC instruction).
+ *
+ * Return:	0 on success, negative error code otherwise.
+ */
+static int kmb_ecc_do_scalar_op(struct ocs_ecc_dev *ecc_dev, u64 *scalar_out,
+				const u64 *scalar_a, const u64 *scalar_b,
+				const struct ecc_curve *curve,
+				unsigned int ndigits, const u32 inst)
+{
+	u32 op_size = (ndigits > ECC_CURVE_NIST_P256_DIGITS) ?
+		      OCS_ECC_OP_SIZE_384 : OCS_ECC_OP_SIZE_256;
+	size_t nbytes = digits_to_bytes(ndigits);
+	int rc;
+
+	/* Wait engine to be idle before starting new operation. */
+	rc = ocs_ecc_wait_idle(ecc_dev);
+	if (rc)
+		return rc;
+
+	/* Send ecc_start pulse as well as indicating operation size. */
+	ocs_ecc_cmd_start(ecc_dev, op_size);
+
+	/* Write ax param (Base point (Gx).*/
+	ocs_ecc_write_cmd_and_data(ecc_dev, op_size, OCS_ECC_INST_WRITE_AX,
+				   scalar_a, nbytes);
+
+	/* Write ay param Base point (Gy).*/
+	ocs_ecc_write_cmd_and_data(ecc_dev, op_size, OCS_ECC_INST_WRITE_AY,
+				   scalar_b, nbytes);
+
+	/* Write p = curve prime(GF modulus).*/
+	ocs_ecc_write_cmd_and_data(ecc_dev, op_size, OCS_ECC_INST_WRITE_P,
+				   curve->p, nbytes);
+
+	/* Give instruction A.B or A+B to ECC engine. */
+	rc = ocs_ecc_trigger_op(ecc_dev, op_size, inst);
+	if (rc)
+		return rc;
+
+	ocs_ecc_read_cx_out(ecc_dev, scalar_out, nbytes);
+
+	if (vli_is_zero(scalar_out, ndigits))
+		return -EINVAL;
+
+	return 0;
+}
+
+/* SP800-56A section 5.6.2.3.4 partial verification: ephemeral keys only */
+static int kmb_ocs_ecc_is_pubkey_valid_partial(struct ocs_ecc_dev *ecc_dev,
+					       const struct ecc_curve *curve,
+					       struct ecc_point *pk)
+{
+	u64 xxx[KMB_ECC_VLI_MAX_DIGITS] = { 0 };
+	u64 yy[KMB_ECC_VLI_MAX_DIGITS] = { 0 };
+	u64 w[KMB_ECC_VLI_MAX_DIGITS] = { 0 };
+	int rc;
+
+	if (WARN_ON(pk->ndigits != curve->g.ndigits))
+		return -EINVAL;
+
+	/* Check 1: Verify key is not the zero point. */
+	if (ecc_point_is_zero(pk))
+		return -EINVAL;
+
+	/* Check 2: Verify key is in the range [0, p-1]. */
+	if (vli_cmp(curve->p, pk->x, pk->ndigits) != 1)
+		return -EINVAL;
+
+	if (vli_cmp(curve->p, pk->y, pk->ndigits) != 1)
+		return -EINVAL;
+
+	/* Check 3: Verify that y^2 == (x^3 + a·x + b) mod p */
+
+	 /* y^2 */
+	/* Compute y^2 -> store in yy */
+	rc = kmb_ecc_do_scalar_op(ecc_dev, yy, pk->y, pk->y, curve, pk->ndigits,
+				  OCS_ECC_INST_CALC_A_MUL_B_MODP);
+	if (rc)
+		goto exit;
+
+	/* x^3 */
+	/* Assigning w = 3, used for calculating x^3. */
+	w[0] = POW_CUBE;
+	/* Load the next stage.*/
+	rc = kmb_ecc_do_scalar_op(ecc_dev, xxx, pk->x, w, curve, pk->ndigits,
+				  OCS_ECC_INST_CALC_A_POW_B_MODP);
+	if (rc)
+		goto exit;
+
+	/* Do a*x -> store in w. */
+	rc = kmb_ecc_do_scalar_op(ecc_dev, w, curve->a, pk->x, curve,
+				  pk->ndigits,
+				  OCS_ECC_INST_CALC_A_MUL_B_MODP);
+	if (rc)
+		goto exit;
+
+	/* Do ax + b == w + b; store in w. */
+	rc = kmb_ecc_do_scalar_op(ecc_dev, w, w, curve->b, curve,
+				  pk->ndigits,
+				  OCS_ECC_INST_CALC_A_ADD_B_MODP);
+	if (rc)
+		goto exit;
+
+	/* x^3 + ax + b == x^3 + w -> store in w. */
+	rc = kmb_ecc_do_scalar_op(ecc_dev, w, xxx, w, curve, pk->ndigits,
+				  OCS_ECC_INST_CALC_A_ADD_B_MODP);
+	if (rc)
+		goto exit;
+
+	/* Compare y^2 == x^3 + a·x + b. */
+	rc = vli_cmp(yy, w, pk->ndigits);
+	if (rc)
+		rc = -EINVAL;
+
+exit:
+	memzero_explicit(xxx, sizeof(xxx));
+	memzero_explicit(yy, sizeof(yy));
+	memzero_explicit(w, sizeof(w));
+
+	return rc;
+}
+
+/* SP800-56A section 5.6.2.3.3 full verification */
+static int kmb_ocs_ecc_is_pubkey_valid_full(struct ocs_ecc_dev *ecc_dev,
+					    const struct ecc_curve *curve,
+					    struct ecc_point *pk)
+{
+	struct ecc_point *nQ;
+	int rc;
+
+	/* Checks 1 through 3 */
+	rc = kmb_ocs_ecc_is_pubkey_valid_partial(ecc_dev, curve, pk);
+	if (rc)
+		return rc;
+
+	/* Check 4: Verify that nQ is the zero point. */
+	nQ = ecc_alloc_point(pk->ndigits);
+	if (!nQ)
+		return -ENOMEM;
+
+	rc = kmb_ecc_point_mult(ecc_dev, nQ, pk, curve->n, curve);
+	if (rc)
+		goto exit;
+
+	if (!ecc_point_is_zero(nQ))
+		rc = -EINVAL;
+
+exit:
+	ecc_free_point(nQ);
+
+	return rc;
+}
+
+static int kmb_ecc_is_key_valid(const struct ecc_curve *curve,
+				const u64 *private_key, size_t private_key_len)
+{
+	size_t ndigits = curve->g.ndigits;
+	u64 one[KMB_ECC_VLI_MAX_DIGITS] = {1};
+	u64 res[KMB_ECC_VLI_MAX_DIGITS];
+
+	if (private_key_len != digits_to_bytes(ndigits))
+		return -EINVAL;
+
+	if (!private_key)
+		return -EINVAL;
+
+	/* Make sure the private key is in the range [2, n-3]. */
+	if (vli_cmp(one, private_key, ndigits) != -1)
+		return -EINVAL;
+
+	vli_sub(res, curve->n, one, ndigits);
+	vli_sub(res, res, one, ndigits);
+	if (vli_cmp(res, private_key, ndigits) != 1)
+		return -EINVAL;
+
+	return 0;
+}
+
+/*
+ * ECC private keys are generated using the method of extra random bits,
+ * equivalent to that described in FIPS 186-4, Appendix B.4.1.
+ *
+ * d = (c mod(n–1)) + 1    where c is a string of random bits, 64 bits longer
+ *                         than requested
+ * 0 <= c mod(n-1) <= n-2  and implies that
+ * 1 <= d <= n-1
+ *
+ * This method generates a private key uniformly distributed in the range
+ * [1, n-1].
+ */
+static int kmb_ecc_gen_privkey(const struct ecc_curve *curve, u64 *privkey)
+{
+	size_t nbytes = digits_to_bytes(curve->g.ndigits);
+	u64 priv[KMB_ECC_VLI_MAX_DIGITS];
+	size_t nbits;
+	int rc;
+
+	nbits = vli_num_bits(curve->n, curve->g.ndigits);
+
+	/* Check that N is included in Table 1 of FIPS 186-4, section 6.1.1 */
+	if (nbits < 160 || curve->g.ndigits > ARRAY_SIZE(priv))
+		return -EINVAL;
+
+	/*
+	 * FIPS 186-4 recommends that the private key should be obtained from a
+	 * RBG with a security strength equal to or greater than the security
+	 * strength associated with N.
+	 *
+	 * The maximum security strength identified by NIST SP800-57pt1r4 for
+	 * ECC is 256 (N >= 512).
+	 *
+	 * This condition is met by stdrng because it selects a favored DRBG
+	 * with a security strength of 256.
+	 */
+	rc = crypto_stdrng_get_bytes(priv, nbytes);
+	if (rc)
+		goto cleanup;
+
+	rc = kmb_ecc_is_key_valid(curve, priv, nbytes);
+	if (rc)
+		goto cleanup;
+
+	ecc_swap_digits(priv, privkey, curve->g.ndigits);
+
+cleanup:
+	memzero_explicit(&priv, sizeof(priv));
+
+	return rc;
+}
+
+static int kmb_ocs_ecdh_set_secret(struct crypto_kpp *tfm, const void *buf,
+				   unsigned int len)
+{
+	struct ocs_ecc_ctx *tctx = kpp_tfm_ctx(tfm);
+	struct ecdh params;
+	int rc = 0;
+
+	rc = crypto_ecdh_decode_key(buf, len, &params);
+	if (rc)
+		goto cleanup;
+
+	/* Ensure key size is not bigger then expected. */
+	if (params.key_size > digits_to_bytes(tctx->curve->g.ndigits)) {
+		rc = -EINVAL;
+		goto cleanup;
+	}
+
+	/* Auto-generate private key is not provided. */
+	if (!params.key || !params.key_size) {
+		rc = kmb_ecc_gen_privkey(tctx->curve, tctx->private_key);
+		goto cleanup;
+	}
+
+	rc = kmb_ecc_is_key_valid(tctx->curve, (const u64 *)params.key,
+				  params.key_size);
+	if (rc)
+		goto cleanup;
+
+	ecc_swap_digits((const u64 *)params.key, tctx->private_key,
+			tctx->curve->g.ndigits);
+cleanup:
+	memzero_explicit(&params, sizeof(params));
+
+	if (rc)
+		tctx->curve = NULL;
+
+	return rc;
+}
+
+/* Compute shared secret. */
+static int kmb_ecc_do_shared_secret(struct ocs_ecc_ctx *tctx,
+				    struct kpp_request *req)
+{
+	struct ocs_ecc_dev *ecc_dev = tctx->ecc_dev;
+	const struct ecc_curve *curve = tctx->curve;
+	u64 shared_secret[KMB_ECC_VLI_MAX_DIGITS];
+	u64 pubk_buf[KMB_ECC_VLI_MAX_DIGITS * 2];
+	size_t copied, nbytes, pubk_len;
+	struct ecc_point *pk, *result;
+	int rc;
+
+	nbytes = digits_to_bytes(curve->g.ndigits);
+
+	/* Public key is a point, thus it has two coordinates */
+	pubk_len = 2 * nbytes;
+
+	/* Copy public key from SG list to pubk_buf. */
+	copied = sg_copy_to_buffer(req->src,
+				   sg_nents_for_len(req->src, pubk_len),
+				   pubk_buf, pubk_len);
+	if (copied != pubk_len)
+		return -EINVAL;
+
+	/* Allocate and initialize public key point. */
+	pk = ecc_alloc_point(curve->g.ndigits);
+	if (!pk)
+		return -ENOMEM;
+
+	ecc_swap_digits(pubk_buf, pk->x, curve->g.ndigits);
+	ecc_swap_digits(&pubk_buf[curve->g.ndigits], pk->y, curve->g.ndigits);
+
+	/*
+	 * Check the public key for following
+	 * Check 1: Verify key is not the zero point.
+	 * Check 2: Verify key is in the range [1, p-1].
+	 * Check 3: Verify that y^2 == (x^3 + a·x + b) mod p
+	 */
+	rc = kmb_ocs_ecc_is_pubkey_valid_partial(ecc_dev, curve, pk);
+	if (rc)
+		goto exit_free_pk;
+
+	/* Allocate point for storing computed shared secret. */
+	result = ecc_alloc_point(pk->ndigits);
+	if (!result) {
+		rc = -ENOMEM;
+		goto exit_free_pk;
+	}
+
+	/* Calculate the shared secret.*/
+	rc = kmb_ecc_point_mult(ecc_dev, result, pk, tctx->private_key, curve);
+	if (rc)
+		goto exit_free_result;
+
+	if (ecc_point_is_zero(result)) {
+		rc = -EFAULT;
+		goto exit_free_result;
+	}
+
+	/* Copy shared secret from point to buffer. */
+	ecc_swap_digits(result->x, shared_secret, result->ndigits);
+
+	/* Request might ask for less bytes than what we have. */
+	nbytes = min_t(size_t, nbytes, req->dst_len);
+
+	copied = sg_copy_from_buffer(req->dst,
+				     sg_nents_for_len(req->dst, nbytes),
+				     shared_secret, nbytes);
+
+	if (copied != nbytes)
+		rc = -EINVAL;
+
+	memzero_explicit(shared_secret, sizeof(shared_secret));
+
+exit_free_result:
+	ecc_free_point(result);
+
+exit_free_pk:
+	ecc_free_point(pk);
+
+	return rc;
+}
+
+/* Compute public key. */
+static int kmb_ecc_do_public_key(struct ocs_ecc_ctx *tctx,
+				 struct kpp_request *req)
+{
+	const struct ecc_curve *curve = tctx->curve;
+	u64 pubk_buf[KMB_ECC_VLI_MAX_DIGITS * 2];
+	struct ecc_point *pk;
+	size_t pubk_len;
+	size_t copied;
+	int rc;
+
+	/* Public key is a point, so it has double the digits. */
+	pubk_len = 2 * digits_to_bytes(curve->g.ndigits);
+
+	pk = ecc_alloc_point(curve->g.ndigits);
+	if (!pk)
+		return -ENOMEM;
+
+	/* Public Key(pk) = priv * G. */
+	rc = kmb_ecc_point_mult(tctx->ecc_dev, pk, &curve->g, tctx->private_key,
+				curve);
+	if (rc)
+		goto exit;
+
+	/* SP800-56A rev 3 5.6.2.1.3 key check */
+	if (kmb_ocs_ecc_is_pubkey_valid_full(tctx->ecc_dev, curve, pk)) {
+		rc = -EAGAIN;
+		goto exit;
+	}
+
+	/* Copy public key from point to buffer. */
+	ecc_swap_digits(pk->x, pubk_buf, pk->ndigits);
+	ecc_swap_digits(pk->y, &pubk_buf[pk->ndigits], pk->ndigits);
+
+	/* Copy public key to req->dst. */
+	copied = sg_copy_from_buffer(req->dst,
+				     sg_nents_for_len(req->dst, pubk_len),
+				     pubk_buf, pubk_len);
+
+	if (copied != pubk_len)
+		rc = -EINVAL;
+
+exit:
+	ecc_free_point(pk);
+
+	return rc;
+}
+
+static int kmb_ocs_ecc_do_one_request(struct crypto_engine *engine,
+				      void *areq)
+{
+	struct kpp_request *req = container_of(areq, struct kpp_request, base);
+	struct ocs_ecc_ctx *tctx = kmb_ocs_ecc_tctx(req);
+	struct ocs_ecc_dev *ecc_dev = tctx->ecc_dev;
+	int rc;
+
+	if (req->src)
+		rc = kmb_ecc_do_shared_secret(tctx, req);
+	else
+		rc = kmb_ecc_do_public_key(tctx, req);
+
+	crypto_finalize_kpp_request(ecc_dev->engine, req, rc);
+
+	return 0;
+}
+
+static int kmb_ocs_ecdh_generate_public_key(struct kpp_request *req)
+{
+	struct ocs_ecc_ctx *tctx = kmb_ocs_ecc_tctx(req);
+	const struct ecc_curve *curve = tctx->curve;
+
+	/* Ensure kmb_ocs_ecdh_set_secret() has been successfully called. */
+	if (!tctx->curve)
+		return -EINVAL;
+
+	/* Ensure dst is present. */
+	if (!req->dst)
+		return -EINVAL;
+
+	/* Check the request dst is big enough to hold the public key. */
+	if (req->dst_len < (2 * digits_to_bytes(curve->g.ndigits)))
+		return -EINVAL;
+
+	/* 'src' is not supposed to be present when generate pubk is called. */
+	if (req->src)
+		return -EINVAL;
+
+	return crypto_transfer_kpp_request_to_engine(tctx->ecc_dev->engine,
+						     req);
+}
+
+static int kmb_ocs_ecdh_compute_shared_secret(struct kpp_request *req)
+{
+	struct ocs_ecc_ctx *tctx = kmb_ocs_ecc_tctx(req);
+	const struct ecc_curve *curve = tctx->curve;
+
+	/* Ensure kmb_ocs_ecdh_set_secret() has been successfully called. */
+	if (!tctx->curve)
+		return -EINVAL;
+
+	/* Ensure dst is present. */
+	if (!req->dst)
+		return -EINVAL;
+
+	/* Ensure src is present. */
+	if (!req->src)
+		return -EINVAL;
+
+	/*
+	 * req->src is expected to the (other-side) public key, so its length
+	 * must be 2 * coordinate size (in bytes).
+	 */
+	if (req->src_len != 2 * digits_to_bytes(curve->g.ndigits))
+		return -EINVAL;
+
+	return crypto_transfer_kpp_request_to_engine(tctx->ecc_dev->engine,
+						     req);
+}
+
+static int kmb_ecc_tctx_init(struct ocs_ecc_ctx *tctx, unsigned int curve_id)
+{
+	memset(tctx, 0, sizeof(*tctx));
+
+	tctx->ecc_dev = kmb_ocs_ecc_find_dev(tctx);
+
+	if (IS_ERR(tctx->ecc_dev)) {
+		pr_err("Failed to find the device : %ld\n",
+		       PTR_ERR(tctx->ecc_dev));
+		return PTR_ERR(tctx->ecc_dev);
+	}
+
+	tctx->curve = ecc_get_curve(curve_id);
+	if (!tctx->curve)
+		return -EOPNOTSUPP;
+
+	return 0;
+}
+
+static int kmb_ocs_ecdh_nist_p256_init_tfm(struct crypto_kpp *tfm)
+{
+	struct ocs_ecc_ctx *tctx = kpp_tfm_ctx(tfm);
+
+	return kmb_ecc_tctx_init(tctx, ECC_CURVE_NIST_P256);
+}
+
+static int kmb_ocs_ecdh_nist_p384_init_tfm(struct crypto_kpp *tfm)
+{
+	struct ocs_ecc_ctx *tctx = kpp_tfm_ctx(tfm);
+
+	return kmb_ecc_tctx_init(tctx, ECC_CURVE_NIST_P384);
+}
+
+static void kmb_ocs_ecdh_exit_tfm(struct crypto_kpp *tfm)
+{
+	struct ocs_ecc_ctx *tctx = kpp_tfm_ctx(tfm);
+
+	memzero_explicit(tctx->private_key, sizeof(*tctx->private_key));
+}
+
+static unsigned int kmb_ocs_ecdh_max_size(struct crypto_kpp *tfm)
+{
+	struct ocs_ecc_ctx *tctx = kpp_tfm_ctx(tfm);
+
+	/* Public key is made of two coordinates, so double the digits. */
+	return digits_to_bytes(tctx->curve->g.ndigits) * 2;
+}
+
+static struct kpp_engine_alg ocs_ecdh_p256 = {
+	.base.set_secret = kmb_ocs_ecdh_set_secret,
+	.base.generate_public_key = kmb_ocs_ecdh_generate_public_key,
+	.base.compute_shared_secret = kmb_ocs_ecdh_compute_shared_secret,
+	.base.init = kmb_ocs_ecdh_nist_p256_init_tfm,
+	.base.exit = kmb_ocs_ecdh_exit_tfm,
+	.base.max_size = kmb_ocs_ecdh_max_size,
+	.base.base = {
+		.cra_name = "ecdh-nist-p256",
+		.cra_driver_name = "ecdh-nist-p256-keembay-ocs",
+		.cra_priority = KMB_OCS_ECC_PRIORITY,
+		.cra_module = THIS_MODULE,
+		.cra_ctxsize = sizeof(struct ocs_ecc_ctx),
+	},
+	.op.do_one_request = kmb_ocs_ecc_do_one_request,
+};
+
+static struct kpp_engine_alg ocs_ecdh_p384 = {
+	.base.set_secret = kmb_ocs_ecdh_set_secret,
+	.base.generate_public_key = kmb_ocs_ecdh_generate_public_key,
+	.base.compute_shared_secret = kmb_ocs_ecdh_compute_shared_secret,
+	.base.init = kmb_ocs_ecdh_nist_p384_init_tfm,
+	.base.exit = kmb_ocs_ecdh_exit_tfm,
+	.base.max_size = kmb_ocs_ecdh_max_size,
+	.base.base = {
+		.cra_name = "ecdh-nist-p384",
+		.cra_driver_name = "ecdh-nist-p384-keembay-ocs",
+		.cra_priority = KMB_OCS_ECC_PRIORITY,
+		.cra_module = THIS_MODULE,
+		.cra_ctxsize = sizeof(struct ocs_ecc_ctx),
+	},
+	.op.do_one_request = kmb_ocs_ecc_do_one_request,
+};
+
+static irqreturn_t ocs_ecc_irq_handler(int irq, void *dev_id)
+{
+	struct ocs_ecc_dev *ecc_dev = dev_id;
+	u32 status;
+
+	/*
+	 * Read the status register and write it back to clear the
+	 * DONE_INT_STATUS bit.
+	 */
+	status = ioread32(ecc_dev->base_reg + HW_OFFS_OCS_ECC_ISR);
+	iowrite32(status, ecc_dev->base_reg + HW_OFFS_OCS_ECC_ISR);
+
+	if (!(status & HW_OCS_ECC_ISR_INT_STATUS_DONE))
+		return IRQ_NONE;
+
+	complete(&ecc_dev->irq_done);
+
+	return IRQ_HANDLED;
+}
+
+static int kmb_ocs_ecc_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct ocs_ecc_dev *ecc_dev;
+	int rc;
+
+	ecc_dev = devm_kzalloc(dev, sizeof(*ecc_dev), GFP_KERNEL);
+	if (!ecc_dev)
+		return -ENOMEM;
+
+	ecc_dev->dev = dev;
+
+	platform_set_drvdata(pdev, ecc_dev);
+
+	INIT_LIST_HEAD(&ecc_dev->list);
+	init_completion(&ecc_dev->irq_done);
+
+	/* Get base register address. */
+	ecc_dev->base_reg = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(ecc_dev->base_reg)) {
+		dev_err(dev, "Failed to get base address\n");
+		rc = PTR_ERR(ecc_dev->base_reg);
+		goto list_del;
+	}
+
+	/* Get and request IRQ */
+	ecc_dev->irq = platform_get_irq(pdev, 0);
+	if (ecc_dev->irq < 0) {
+		rc = ecc_dev->irq;
+		goto list_del;
+	}
+
+	rc = devm_request_threaded_irq(dev, ecc_dev->irq, ocs_ecc_irq_handler,
+				       NULL, 0, "keembay-ocs-ecc", ecc_dev);
+	if (rc < 0) {
+		dev_err(dev, "Could not request IRQ\n");
+		goto list_del;
+	}
+
+	/* Add device to the list of OCS ECC devices. */
+	spin_lock(&ocs_ecc.lock);
+	list_add_tail(&ecc_dev->list, &ocs_ecc.dev_list);
+	spin_unlock(&ocs_ecc.lock);
+
+	/* Initialize crypto engine. */
+	ecc_dev->engine = crypto_engine_alloc_init(dev, 1);
+	if (!ecc_dev->engine) {
+		dev_err(dev, "Could not allocate crypto engine\n");
+		rc = -ENOMEM;
+		goto list_del;
+	}
+
+	rc = crypto_engine_start(ecc_dev->engine);
+	if (rc) {
+		dev_err(dev, "Could not start crypto engine\n");
+		goto cleanup;
+	}
+
+	/* Register the KPP algo. */
+	rc = crypto_engine_register_kpp(&ocs_ecdh_p256);
+	if (rc) {
+		dev_err(dev,
+			"Could not register OCS algorithms with Crypto API\n");
+		goto cleanup;
+	}
+
+	rc = crypto_engine_register_kpp(&ocs_ecdh_p384);
+	if (rc) {
+		dev_err(dev,
+			"Could not register OCS algorithms with Crypto API\n");
+		goto ocs_ecdh_p384_error;
+	}
+
+	return 0;
+
+ocs_ecdh_p384_error:
+	crypto_engine_unregister_kpp(&ocs_ecdh_p256);
+
+cleanup:
+	crypto_engine_exit(ecc_dev->engine);
+
+list_del:
+	spin_lock(&ocs_ecc.lock);
+	list_del(&ecc_dev->list);
+	spin_unlock(&ocs_ecc.lock);
+
+	return rc;
+}
+
+static void kmb_ocs_ecc_remove(struct platform_device *pdev)
+{
+	struct ocs_ecc_dev *ecc_dev;
+
+	ecc_dev = platform_get_drvdata(pdev);
+
+	crypto_engine_unregister_kpp(&ocs_ecdh_p384);
+	crypto_engine_unregister_kpp(&ocs_ecdh_p256);
+
+	spin_lock(&ocs_ecc.lock);
+	list_del(&ecc_dev->list);
+	spin_unlock(&ocs_ecc.lock);
+
+	crypto_engine_exit(ecc_dev->engine);
+}
+
+/* Device tree driver match. */
+static const struct of_device_id kmb_ocs_ecc_of_match[] = {
+	{
+		.compatible = "intel,keembay-ocs-ecc",
+	},
+	{}
+};
+
+/* The OCS driver is a platform device. */
+static struct platform_driver kmb_ocs_ecc_driver = {
+	.probe = kmb_ocs_ecc_probe,
+	.remove = kmb_ocs_ecc_remove,
+	.driver = {
+			.name = DRV_NAME,
+			.of_match_table = kmb_ocs_ecc_of_match,
+		},
+};
+module_platform_driver(kmb_ocs_ecc_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Intel Keem Bay OCS ECC Driver");
+MODULE_ALIAS_CRYPTO("ecdh-nist-p256");
+MODULE_ALIAS_CRYPTO("ecdh-nist-p384");
+MODULE_ALIAS_CRYPTO("ecdh-nist-p256-keembay-ocs");
+MODULE_ALIAS_CRYPTO("ecdh-nist-p384-keembay-ocs");

linux-7.2.3/drivers/crypto/intel/keembay/ocs-aes.h

@@ -0,0 +1,129 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Intel Keem Bay OCS AES Crypto Driver.
+ *
+ * Copyright (C) 2018-2020 Intel Corporation
+ */
+
+#ifndef _CRYPTO_OCS_AES_H
+#define _CRYPTO_OCS_AES_H
+
+#include <linux/dma-mapping.h>
+
+enum ocs_cipher {
+	OCS_AES = 0,
+	OCS_SM4 = 1,
+};
+
+enum ocs_mode {
+	OCS_MODE_ECB = 0,
+	OCS_MODE_CBC = 1,
+	OCS_MODE_CTR = 2,
+	OCS_MODE_CCM = 6,
+	OCS_MODE_GCM = 7,
+	OCS_MODE_CTS = 9,
+};
+
+enum ocs_instruction {
+	OCS_ENCRYPT = 0,
+	OCS_DECRYPT = 1,
+	OCS_EXPAND  = 2,
+	OCS_BYPASS  = 3,
+};
+
+/**
+ * struct ocs_aes_dev - AES device context.
+ * @list:			List head for insertion into device list hold
+ *				by driver.
+ * @dev:			OCS AES device.
+ * @irq:			IRQ number.
+ * @base_reg:			IO base address of OCS AES.
+ * @irq_copy_completion:	Completion to indicate IRQ has been triggered.
+ * @dma_err_mask:		Error reported by OCS DMA interrupts.
+ * @engine:			Crypto engine for the device.
+ */
+struct ocs_aes_dev {
+	struct list_head list;
+	struct device *dev;
+	int irq;
+	void __iomem *base_reg;
+	struct completion irq_completion;
+	u32 dma_err_mask;
+	struct crypto_engine *engine;
+};
+
+/**
+ * struct ocs_dll_desc - Descriptor of an OCS DMA Linked List.
+ * @vaddr:	Virtual address of the linked list head.
+ * @dma_addr:	DMA address of the linked list head.
+ * @size:	Size (in bytes) of the linked list.
+ */
+struct ocs_dll_desc {
+	void		*vaddr;
+	dma_addr_t	dma_addr;
+	size_t		size;
+};
+
+int ocs_aes_set_key(struct ocs_aes_dev *aes_dev, const u32 key_size,
+		    const u8 *key, const enum ocs_cipher cipher);
+
+int ocs_aes_op(struct ocs_aes_dev *aes_dev,
+	       enum ocs_mode mode,
+	       enum ocs_cipher cipher,
+	       enum ocs_instruction instruction,
+	       dma_addr_t dst_dma_list,
+	       dma_addr_t src_dma_list,
+	       u32 src_size,
+	       u8 *iv,
+	       u32 iv_size);
+
+/**
+ * ocs_aes_bypass_op() - Use OCS DMA to copy data.
+ * @aes_dev:            The OCS AES device to use.
+ * @dst_dma_list:	The OCS DMA list mapping the memory where input data
+ *			will be copied to.
+ * @src_dma_list:	The OCS DMA list mapping input data.
+ * @src_size:		The amount of data to copy.
+ */
+static inline int ocs_aes_bypass_op(struct ocs_aes_dev *aes_dev,
+				    dma_addr_t dst_dma_list,
+				    dma_addr_t src_dma_list, u32 src_size)
+{
+	return ocs_aes_op(aes_dev, OCS_MODE_ECB, OCS_AES, OCS_BYPASS,
+			  dst_dma_list, src_dma_list, src_size, NULL, 0);
+}
+
+int ocs_aes_gcm_op(struct ocs_aes_dev *aes_dev,
+		   enum ocs_cipher cipher,
+		   enum ocs_instruction instruction,
+		   dma_addr_t dst_dma_list,
+		   dma_addr_t src_dma_list,
+		   u32 src_size,
+		   const u8 *iv,
+		   dma_addr_t aad_dma_list,
+		   u32 aad_size,
+		   u8 *out_tag,
+		   u32 tag_size);
+
+int ocs_aes_ccm_op(struct ocs_aes_dev *aes_dev,
+		   enum ocs_cipher cipher,
+		   enum ocs_instruction instruction,
+		   dma_addr_t dst_dma_list,
+		   dma_addr_t src_dma_list,
+		   u32 src_size,
+		   u8 *iv,
+		   dma_addr_t adata_dma_list,
+		   u32 adata_size,
+		   u8 *in_tag,
+		   u32 tag_size);
+
+int ocs_create_linked_list_from_sg(const struct ocs_aes_dev *aes_dev,
+				   struct scatterlist *sg,
+				   int sg_dma_count,
+				   struct ocs_dll_desc *dll_desc,
+				   size_t data_size,
+				   size_t data_offset);
+
+irqreturn_t ocs_aes_irq_handler(int irq, void *dev_id);
+
+#endif

linux-7.2.3/drivers/crypto/intel/keembay/ocs-hcu.c

@@ -0,0 +1,841 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Intel Keem Bay OCS HCU Crypto Driver.
+ *
+ * Copyright (C) 2018-2020 Intel Corporation
+ */
+
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/iopoll.h>
+#include <linux/irq.h>
+#include <linux/module.h>
+
+#include <crypto/sha2.h>
+
+#include "ocs-hcu.h"
+
+/* Registers. */
+#define OCS_HCU_MODE			0x00
+#define OCS_HCU_CHAIN			0x04
+#define OCS_HCU_OPERATION		0x08
+#define OCS_HCU_KEY_0			0x0C
+#define OCS_HCU_ISR			0x50
+#define OCS_HCU_IER			0x54
+#define OCS_HCU_STATUS			0x58
+#define OCS_HCU_MSG_LEN_LO		0x60
+#define OCS_HCU_MSG_LEN_HI		0x64
+#define OCS_HCU_KEY_BYTE_ORDER_CFG	0x80
+#define OCS_HCU_DMA_SRC_ADDR		0x400
+#define OCS_HCU_DMA_SRC_SIZE		0x408
+#define OCS_HCU_DMA_DST_SIZE		0x40C
+#define OCS_HCU_DMA_DMA_MODE		0x410
+#define OCS_HCU_DMA_NEXT_SRC_DESCR	0x418
+#define OCS_HCU_DMA_MSI_ISR		0x480
+#define OCS_HCU_DMA_MSI_IER		0x484
+#define OCS_HCU_DMA_MSI_MASK		0x488
+
+/* Register bit definitions. */
+#define HCU_MODE_ALGO_SHIFT		16
+#define HCU_MODE_HMAC_SHIFT		22
+
+#define HCU_STATUS_BUSY			BIT(0)
+
+#define HCU_BYTE_ORDER_SWAP		BIT(0)
+
+#define HCU_IRQ_HASH_DONE		BIT(2)
+#define HCU_IRQ_HASH_ERR_MASK		(BIT(3) | BIT(1) | BIT(0))
+
+#define HCU_DMA_IRQ_SRC_DONE		BIT(0)
+#define HCU_DMA_IRQ_SAI_ERR		BIT(2)
+#define HCU_DMA_IRQ_BAD_COMP_ERR	BIT(3)
+#define HCU_DMA_IRQ_INBUF_RD_ERR	BIT(4)
+#define HCU_DMA_IRQ_INBUF_WD_ERR	BIT(5)
+#define HCU_DMA_IRQ_OUTBUF_WR_ERR	BIT(6)
+#define HCU_DMA_IRQ_OUTBUF_RD_ERR	BIT(7)
+#define HCU_DMA_IRQ_CRD_ERR		BIT(8)
+#define HCU_DMA_IRQ_ERR_MASK		(HCU_DMA_IRQ_SAI_ERR | \
+					 HCU_DMA_IRQ_BAD_COMP_ERR | \
+					 HCU_DMA_IRQ_INBUF_RD_ERR | \
+					 HCU_DMA_IRQ_INBUF_WD_ERR | \
+					 HCU_DMA_IRQ_OUTBUF_WR_ERR | \
+					 HCU_DMA_IRQ_OUTBUF_RD_ERR | \
+					 HCU_DMA_IRQ_CRD_ERR)
+
+#define HCU_DMA_SNOOP_MASK		(0x7 << 28)
+#define HCU_DMA_SRC_LL_EN		BIT(25)
+#define HCU_DMA_EN			BIT(31)
+
+#define OCS_HCU_ENDIANNESS_VALUE	0x2A
+
+#define HCU_DMA_MSI_UNMASK		BIT(0)
+#define HCU_DMA_MSI_DISABLE		0
+#define HCU_IRQ_DISABLE			0
+
+#define OCS_HCU_START			BIT(0)
+#define OCS_HCU_TERMINATE		BIT(1)
+
+#define OCS_LL_DMA_FLAG_TERMINATE	BIT(31)
+
+#define OCS_HCU_HW_KEY_LEN_U32		(OCS_HCU_HW_KEY_LEN / sizeof(u32))
+
+#define HCU_DATA_WRITE_ENDIANNESS_OFFSET	26
+
+#define OCS_HCU_NUM_CHAINS_SHA256_224_SM3	(SHA256_DIGEST_SIZE / sizeof(u32))
+#define OCS_HCU_NUM_CHAINS_SHA384_512		(SHA512_DIGEST_SIZE / sizeof(u32))
+
+/*
+ * While polling on a busy HCU, wait maximum 200us between one check and the
+ * other.
+ */
+#define OCS_HCU_WAIT_BUSY_RETRY_DELAY_US	200
+/* Wait on a busy HCU for maximum 1 second. */
+#define OCS_HCU_WAIT_BUSY_TIMEOUT_US		1000000
+
+/**
+ * struct ocs_hcu_dma_entry - An entry in an OCS DMA linked list.
+ * @src_addr:  Source address of the data.
+ * @src_len:   Length of data to be fetched.
+ * @nxt_desc:  Next descriptor to fetch.
+ * @ll_flags:  Flags (Freeze @ terminate) for the DMA engine.
+ */
+struct ocs_hcu_dma_entry {
+	u32 src_addr;
+	u32 src_len;
+	u32 nxt_desc;
+	u32 ll_flags;
+};
+
+/**
+ * struct ocs_hcu_dma_list - OCS-specific DMA linked list.
+ * @head:	The head of the list (points to the array backing the list).
+ * @tail:	The current tail of the list; NULL if the list is empty.
+ * @dma_addr:	The DMA address of @head (i.e., the DMA address of the backing
+ *		array).
+ * @max_nents:	Maximum number of entries in the list (i.e., number of elements
+ *		in the backing array).
+ *
+ * The OCS DMA list is an array-backed list of OCS DMA descriptors. The array
+ * backing the list is allocated with dma_alloc_coherent() and pointed by
+ * @head.
+ */
+struct ocs_hcu_dma_list {
+	struct ocs_hcu_dma_entry	*head;
+	struct ocs_hcu_dma_entry	*tail;
+	dma_addr_t			dma_addr;
+	size_t				max_nents;
+};
+
+static inline u32 ocs_hcu_num_chains(enum ocs_hcu_algo algo)
+{
+	switch (algo) {
+	case OCS_HCU_ALGO_SHA224:
+	case OCS_HCU_ALGO_SHA256:
+	case OCS_HCU_ALGO_SM3:
+		return OCS_HCU_NUM_CHAINS_SHA256_224_SM3;
+	case OCS_HCU_ALGO_SHA384:
+	case OCS_HCU_ALGO_SHA512:
+		return OCS_HCU_NUM_CHAINS_SHA384_512;
+	default:
+		return 0;
+	};
+}
+
+static inline u32 ocs_hcu_digest_size(enum ocs_hcu_algo algo)
+{
+	switch (algo) {
+	case OCS_HCU_ALGO_SHA224:
+		return SHA224_DIGEST_SIZE;
+	case OCS_HCU_ALGO_SHA256:
+	case OCS_HCU_ALGO_SM3:
+		/* SM3 shares the same block size. */
+		return SHA256_DIGEST_SIZE;
+	case OCS_HCU_ALGO_SHA384:
+		return SHA384_DIGEST_SIZE;
+	case OCS_HCU_ALGO_SHA512:
+		return SHA512_DIGEST_SIZE;
+	default:
+		return 0;
+	}
+}
+
+/**
+ * ocs_hcu_wait_busy() - Wait for HCU OCS hardware to became usable.
+ * @hcu_dev:	OCS HCU device to wait for.
+ *
+ * Return: 0 if device free, -ETIMEOUT if device busy and internal timeout has
+ *	   expired.
+ */
+static int ocs_hcu_wait_busy(struct ocs_hcu_dev *hcu_dev)
+{
+	long val;
+
+	return readl_poll_timeout(hcu_dev->io_base + OCS_HCU_STATUS, val,
+				  !(val & HCU_STATUS_BUSY),
+				  OCS_HCU_WAIT_BUSY_RETRY_DELAY_US,
+				  OCS_HCU_WAIT_BUSY_TIMEOUT_US);
+}
+
+static void ocs_hcu_done_irq_en(struct ocs_hcu_dev *hcu_dev)
+{
+	/* Clear any pending interrupts. */
+	writel(0xFFFFFFFF, hcu_dev->io_base + OCS_HCU_ISR);
+	hcu_dev->irq_err = false;
+	/* Enable error and HCU done interrupts. */
+	writel(HCU_IRQ_HASH_DONE | HCU_IRQ_HASH_ERR_MASK,
+	       hcu_dev->io_base + OCS_HCU_IER);
+}
+
+static void ocs_hcu_dma_irq_en(struct ocs_hcu_dev *hcu_dev)
+{
+	/* Clear any pending interrupts. */
+	writel(0xFFFFFFFF, hcu_dev->io_base + OCS_HCU_DMA_MSI_ISR);
+	hcu_dev->irq_err = false;
+	/* Only operating on DMA source completion and error interrupts. */
+	writel(HCU_DMA_IRQ_ERR_MASK | HCU_DMA_IRQ_SRC_DONE,
+	       hcu_dev->io_base + OCS_HCU_DMA_MSI_IER);
+	/* Unmask */
+	writel(HCU_DMA_MSI_UNMASK, hcu_dev->io_base + OCS_HCU_DMA_MSI_MASK);
+}
+
+static void ocs_hcu_irq_dis(struct ocs_hcu_dev *hcu_dev)
+{
+	writel(HCU_IRQ_DISABLE, hcu_dev->io_base + OCS_HCU_IER);
+	writel(HCU_DMA_MSI_DISABLE, hcu_dev->io_base + OCS_HCU_DMA_MSI_IER);
+}
+
+static int ocs_hcu_wait_and_disable_irq(struct ocs_hcu_dev *hcu_dev)
+{
+	int rc;
+
+	rc = wait_for_completion_interruptible(&hcu_dev->irq_done);
+	if (rc)
+		goto exit;
+
+	if (hcu_dev->irq_err) {
+		/* Unset flag and return error. */
+		hcu_dev->irq_err = false;
+		rc = -EIO;
+		goto exit;
+	}
+
+exit:
+	ocs_hcu_irq_dis(hcu_dev);
+
+	return rc;
+}
+
+/**
+ * ocs_hcu_get_intermediate_data() - Get intermediate data.
+ * @hcu_dev:	The target HCU device.
+ * @data:	Where to store the intermediate.
+ * @algo:	The algorithm being used.
+ *
+ * This function is used to save the current hashing process state in order to
+ * continue it in the future.
+ *
+ * Note: once all data has been processed, the intermediate data actually
+ * contains the hashing result. So this function is also used to retrieve the
+ * final result of a hashing process.
+ *
+ * Return: 0 on success, negative error code otherwise.
+ */
+static int ocs_hcu_get_intermediate_data(struct ocs_hcu_dev *hcu_dev,
+					 struct ocs_hcu_idata *data,
+					 enum ocs_hcu_algo algo)
+{
+	const int n = ocs_hcu_num_chains(algo);
+	u32 *chain;
+	int rc;
+	int i;
+
+	/* Data not requested. */
+	if (!data)
+		return -EINVAL;
+
+	chain = (u32 *)data->digest;
+
+	/* Ensure that the OCS is no longer busy before reading the chains. */
+	rc = ocs_hcu_wait_busy(hcu_dev);
+	if (rc)
+		return rc;
+
+	/*
+	 * This loops is safe because data->digest is an array of
+	 * SHA512_DIGEST_SIZE bytes and the maximum value returned by
+	 * ocs_hcu_num_chains() is OCS_HCU_NUM_CHAINS_SHA384_512 which is equal
+	 * to SHA512_DIGEST_SIZE / sizeof(u32).
+	 */
+	for (i = 0; i < n; i++)
+		chain[i] = readl(hcu_dev->io_base + OCS_HCU_CHAIN);
+
+	data->msg_len_lo = readl(hcu_dev->io_base + OCS_HCU_MSG_LEN_LO);
+	data->msg_len_hi = readl(hcu_dev->io_base + OCS_HCU_MSG_LEN_HI);
+
+	return 0;
+}
+
+/**
+ * ocs_hcu_set_intermediate_data() - Set intermediate data.
+ * @hcu_dev:	The target HCU device.
+ * @data:	The intermediate data to be set.
+ * @algo:	The algorithm being used.
+ *
+ * This function is used to continue a previous hashing process.
+ */
+static void ocs_hcu_set_intermediate_data(struct ocs_hcu_dev *hcu_dev,
+					  const struct ocs_hcu_idata *data,
+					  enum ocs_hcu_algo algo)
+{
+	const int n = ocs_hcu_num_chains(algo);
+	u32 *chain = (u32 *)data->digest;
+	int i;
+
+	/*
+	 * This loops is safe because data->digest is an array of
+	 * SHA512_DIGEST_SIZE bytes and the maximum value returned by
+	 * ocs_hcu_num_chains() is OCS_HCU_NUM_CHAINS_SHA384_512 which is equal
+	 * to SHA512_DIGEST_SIZE / sizeof(u32).
+	 */
+	for (i = 0; i < n; i++)
+		writel(chain[i], hcu_dev->io_base + OCS_HCU_CHAIN);
+
+	writel(data->msg_len_lo, hcu_dev->io_base + OCS_HCU_MSG_LEN_LO);
+	writel(data->msg_len_hi, hcu_dev->io_base + OCS_HCU_MSG_LEN_HI);
+}
+
+static int ocs_hcu_get_digest(struct ocs_hcu_dev *hcu_dev,
+			      enum ocs_hcu_algo algo, u8 *dgst, size_t dgst_len)
+{
+	u32 *chain;
+	int rc;
+	int i;
+
+	if (!dgst)
+		return -EINVAL;
+
+	/* Length of the output buffer must match the algo digest size. */
+	if (dgst_len != ocs_hcu_digest_size(algo))
+		return -EINVAL;
+
+	/* Ensure that the OCS is no longer busy before reading the chains. */
+	rc = ocs_hcu_wait_busy(hcu_dev);
+	if (rc)
+		return rc;
+
+	chain = (u32 *)dgst;
+	for (i = 0; i < dgst_len / sizeof(u32); i++)
+		chain[i] = readl(hcu_dev->io_base + OCS_HCU_CHAIN);
+
+	return 0;
+}
+
+/**
+ * ocs_hcu_hw_cfg() - Configure the HCU hardware.
+ * @hcu_dev:	The HCU device to configure.
+ * @algo:	The algorithm to be used by the HCU device.
+ * @use_hmac:	Whether or not HW HMAC should be used.
+ *
+ * Return: 0 on success, negative error code otherwise.
+ */
+static int ocs_hcu_hw_cfg(struct ocs_hcu_dev *hcu_dev, enum ocs_hcu_algo algo,
+			  bool use_hmac)
+{
+	u32 cfg;
+	int rc;
+
+	if (algo != OCS_HCU_ALGO_SHA256 && algo != OCS_HCU_ALGO_SHA224 &&
+	    algo != OCS_HCU_ALGO_SHA384 && algo != OCS_HCU_ALGO_SHA512 &&
+	    algo != OCS_HCU_ALGO_SM3)
+		return -EINVAL;
+
+	rc = ocs_hcu_wait_busy(hcu_dev);
+	if (rc)
+		return rc;
+
+	/* Ensure interrupts are disabled. */
+	ocs_hcu_irq_dis(hcu_dev);
+
+	/* Configure endianness, hashing algorithm and HW HMAC (if needed) */
+	cfg = OCS_HCU_ENDIANNESS_VALUE << HCU_DATA_WRITE_ENDIANNESS_OFFSET;
+	cfg |= algo << HCU_MODE_ALGO_SHIFT;
+	if (use_hmac)
+		cfg |= BIT(HCU_MODE_HMAC_SHIFT);
+
+	writel(cfg, hcu_dev->io_base + OCS_HCU_MODE);
+
+	return 0;
+}
+
+/**
+ * ocs_hcu_clear_key() - Clear key stored in OCS HMAC KEY registers.
+ * @hcu_dev:	The OCS HCU device whose key registers should be cleared.
+ */
+static void ocs_hcu_clear_key(struct ocs_hcu_dev *hcu_dev)
+{
+	int reg_off;
+
+	/* Clear OCS_HCU_KEY_[0..15] */
+	for (reg_off = 0; reg_off < OCS_HCU_HW_KEY_LEN; reg_off += sizeof(u32))
+		writel(0, hcu_dev->io_base + OCS_HCU_KEY_0 + reg_off);
+}
+
+/**
+ * ocs_hcu_write_key() - Write key to OCS HMAC KEY registers.
+ * @hcu_dev:	The OCS HCU device the key should be written to.
+ * @key:	The key to be written.
+ * @len:	The size of the key to write. It must be OCS_HCU_HW_KEY_LEN.
+ *
+ * Return:	0 on success, negative error code otherwise.
+ */
+static int ocs_hcu_write_key(struct ocs_hcu_dev *hcu_dev, const u8 *key, size_t len)
+{
+	u32 key_u32[OCS_HCU_HW_KEY_LEN_U32];
+	int i;
+
+	if (len > OCS_HCU_HW_KEY_LEN)
+		return -EINVAL;
+
+	/* Copy key into temporary u32 array. */
+	memcpy(key_u32, key, len);
+
+	/*
+	 * Hardware requires all the bytes of the HW Key vector to be
+	 * written. So pad with zero until we reach OCS_HCU_HW_KEY_LEN.
+	 */
+	memzero_explicit((u8 *)key_u32 + len, OCS_HCU_HW_KEY_LEN - len);
+
+	/*
+	 * OCS hardware expects the MSB of the key to be written at the highest
+	 * address of the HCU Key vector; in other word, the key must be
+	 * written in reverse order.
+	 *
+	 * Therefore, we first enable byte swapping for the HCU key vector;
+	 * so that bytes of 32-bit word written to OCS_HCU_KEY_[0..15] will be
+	 * swapped:
+	 * 3 <---> 0, 2 <---> 1.
+	 */
+	writel(HCU_BYTE_ORDER_SWAP,
+	       hcu_dev->io_base + OCS_HCU_KEY_BYTE_ORDER_CFG);
+	/*
+	 * And then we write the 32-bit words composing the key starting from
+	 * the end of the key.
+	 */
+	for (i = 0; i < OCS_HCU_HW_KEY_LEN_U32; i++)
+		writel(key_u32[OCS_HCU_HW_KEY_LEN_U32 - 1 - i],
+		       hcu_dev->io_base + OCS_HCU_KEY_0 + (sizeof(u32) * i));
+
+	memzero_explicit(key_u32, OCS_HCU_HW_KEY_LEN);
+
+	return 0;
+}
+
+/**
+ * ocs_hcu_ll_dma_start() - Start OCS HCU hashing via DMA
+ * @hcu_dev:	The OCS HCU device to use.
+ * @dma_list:	The OCS DMA list mapping the data to hash.
+ * @finalize:	Whether or not this is the last hashing operation and therefore
+ *		the final hash should be compute even if data is not
+ *		block-aligned.
+ *
+ * Return: 0 on success, negative error code otherwise.
+ */
+static int ocs_hcu_ll_dma_start(struct ocs_hcu_dev *hcu_dev,
+				const struct ocs_hcu_dma_list *dma_list,
+				bool finalize)
+{
+	u32 cfg = HCU_DMA_SNOOP_MASK | HCU_DMA_SRC_LL_EN | HCU_DMA_EN;
+	int rc;
+
+	if (!dma_list)
+		return -EINVAL;
+
+	/*
+	 * For final requests we use HCU_DONE IRQ to be notified when all input
+	 * data has been processed by the HCU; however, we cannot do so for
+	 * non-final requests, because we don't get a HCU_DONE IRQ when we
+	 * don't terminate the operation.
+	 *
+	 * Therefore, for non-final requests, we use the DMA IRQ, which
+	 * triggers when DMA has finishing feeding all the input data to the
+	 * HCU, but the HCU may still be processing it. This is fine, since we
+	 * will wait for the HCU processing to be completed when we try to read
+	 * intermediate results, in ocs_hcu_get_intermediate_data().
+	 */
+	if (finalize)
+		ocs_hcu_done_irq_en(hcu_dev);
+	else
+		ocs_hcu_dma_irq_en(hcu_dev);
+
+	reinit_completion(&hcu_dev->irq_done);
+	writel(dma_list->dma_addr, hcu_dev->io_base + OCS_HCU_DMA_NEXT_SRC_DESCR);
+	writel(0, hcu_dev->io_base + OCS_HCU_DMA_SRC_SIZE);
+	writel(0, hcu_dev->io_base + OCS_HCU_DMA_DST_SIZE);
+
+	writel(OCS_HCU_START, hcu_dev->io_base + OCS_HCU_OPERATION);
+
+	writel(cfg, hcu_dev->io_base + OCS_HCU_DMA_DMA_MODE);
+
+	if (finalize)
+		writel(OCS_HCU_TERMINATE, hcu_dev->io_base + OCS_HCU_OPERATION);
+
+	rc = ocs_hcu_wait_and_disable_irq(hcu_dev);
+	if (rc)
+		return rc;
+
+	return 0;
+}
+
+struct ocs_hcu_dma_list *ocs_hcu_dma_list_alloc(struct ocs_hcu_dev *hcu_dev,
+						int max_nents)
+{
+	struct ocs_hcu_dma_list *dma_list;
+
+	dma_list = kmalloc_obj(*dma_list);
+	if (!dma_list)
+		return NULL;
+
+	/* Total size of the DMA list to allocate. */
+	dma_list->head = dma_alloc_coherent(hcu_dev->dev,
+					    sizeof(*dma_list->head) * max_nents,
+					    &dma_list->dma_addr, GFP_KERNEL);
+	if (!dma_list->head) {
+		kfree(dma_list);
+		return NULL;
+	}
+	dma_list->max_nents = max_nents;
+	dma_list->tail = NULL;
+
+	return dma_list;
+}
+
+void ocs_hcu_dma_list_free(struct ocs_hcu_dev *hcu_dev,
+			   struct ocs_hcu_dma_list *dma_list)
+{
+	if (!dma_list)
+		return;
+
+	dma_free_coherent(hcu_dev->dev,
+			  sizeof(*dma_list->head) * dma_list->max_nents,
+			  dma_list->head, dma_list->dma_addr);
+
+	kfree(dma_list);
+}
+
+/* Add a new DMA entry at the end of the OCS DMA list. */
+int ocs_hcu_dma_list_add_tail(struct ocs_hcu_dev *hcu_dev,
+			      struct ocs_hcu_dma_list *dma_list,
+			      dma_addr_t addr, u32 len)
+{
+	struct device *dev = hcu_dev->dev;
+	struct ocs_hcu_dma_entry *old_tail;
+	struct ocs_hcu_dma_entry *new_tail;
+
+	if (!len)
+		return 0;
+
+	if (!dma_list)
+		return -EINVAL;
+
+	if (addr & ~OCS_HCU_DMA_BIT_MASK) {
+		dev_err(dev,
+			"Unexpected error: Invalid DMA address for OCS HCU\n");
+		return -EINVAL;
+	}
+
+	old_tail = dma_list->tail;
+	new_tail = old_tail ? old_tail + 1 : dma_list->head;
+
+	/* Check if list is full. */
+	if (new_tail - dma_list->head >= dma_list->max_nents)
+		return -ENOMEM;
+
+	/*
+	 * If there was an old tail (i.e., this is not the first element we are
+	 * adding), un-terminate the old tail and make it point to the new one.
+	 */
+	if (old_tail) {
+		old_tail->ll_flags &= ~OCS_LL_DMA_FLAG_TERMINATE;
+		/*
+		 * The old tail 'nxt_desc' must point to the DMA address of the
+		 * new tail.
+		 */
+		old_tail->nxt_desc = dma_list->dma_addr +
+				     sizeof(*dma_list->tail) * (new_tail -
+								dma_list->head);
+	}
+
+	new_tail->src_addr = (u32)addr;
+	new_tail->src_len = (u32)len;
+	new_tail->ll_flags = OCS_LL_DMA_FLAG_TERMINATE;
+	new_tail->nxt_desc = 0;
+
+	/* Update list tail with new tail. */
+	dma_list->tail = new_tail;
+
+	return 0;
+}
+
+/**
+ * ocs_hcu_hash_init() - Initialize hash operation context.
+ * @ctx:	The context to initialize.
+ * @algo:	The hashing algorithm to use.
+ *
+ * Return:	0 on success, negative error code otherwise.
+ */
+int ocs_hcu_hash_init(struct ocs_hcu_hash_ctx *ctx, enum ocs_hcu_algo algo)
+{
+	if (!ctx)
+		return -EINVAL;
+
+	ctx->algo = algo;
+	ctx->idata.msg_len_lo = 0;
+	ctx->idata.msg_len_hi = 0;
+	/* No need to set idata.digest to 0. */
+
+	return 0;
+}
+
+/**
+ * ocs_hcu_hash_update() - Perform a hashing iteration.
+ * @hcu_dev:	The OCS HCU device to use.
+ * @ctx:	The OCS HCU hashing context.
+ * @dma_list:	The OCS DMA list mapping the input data to process.
+ *
+ * Return: 0 on success; negative error code otherwise.
+ */
+int ocs_hcu_hash_update(struct ocs_hcu_dev *hcu_dev,
+			struct ocs_hcu_hash_ctx *ctx,
+			const struct ocs_hcu_dma_list *dma_list)
+{
+	int rc;
+
+	if (!hcu_dev || !ctx)
+		return -EINVAL;
+
+	/* Configure the hardware for the current request. */
+	rc = ocs_hcu_hw_cfg(hcu_dev, ctx->algo, false);
+	if (rc)
+		return rc;
+
+	/* If we already processed some data, idata needs to be set. */
+	if (ctx->idata.msg_len_lo || ctx->idata.msg_len_hi)
+		ocs_hcu_set_intermediate_data(hcu_dev, &ctx->idata, ctx->algo);
+
+	/* Start linked-list DMA hashing. */
+	rc = ocs_hcu_ll_dma_start(hcu_dev, dma_list, false);
+	if (rc)
+		return rc;
+
+	/* Update idata and return. */
+	return ocs_hcu_get_intermediate_data(hcu_dev, &ctx->idata, ctx->algo);
+}
+
+/**
+ * ocs_hcu_hash_finup() - Update and finalize hash computation.
+ * @hcu_dev:	The OCS HCU device to use.
+ * @ctx:	The OCS HCU hashing context.
+ * @dma_list:	The OCS DMA list mapping the input data to process.
+ * @dgst:	The buffer where to save the computed digest.
+ * @dgst_len:	The length of @dgst.
+ *
+ * Return: 0 on success; negative error code otherwise.
+ */
+int ocs_hcu_hash_finup(struct ocs_hcu_dev *hcu_dev,
+		       const struct ocs_hcu_hash_ctx *ctx,
+		       const struct ocs_hcu_dma_list *dma_list,
+		       u8 *dgst, size_t dgst_len)
+{
+	int rc;
+
+	if (!hcu_dev || !ctx)
+		return -EINVAL;
+
+	/* Configure the hardware for the current request. */
+	rc = ocs_hcu_hw_cfg(hcu_dev, ctx->algo, false);
+	if (rc)
+		return rc;
+
+	/* If we already processed some data, idata needs to be set. */
+	if (ctx->idata.msg_len_lo || ctx->idata.msg_len_hi)
+		ocs_hcu_set_intermediate_data(hcu_dev, &ctx->idata, ctx->algo);
+
+	/* Start linked-list DMA hashing. */
+	rc = ocs_hcu_ll_dma_start(hcu_dev, dma_list, true);
+	if (rc)
+		return rc;
+
+	/* Get digest and return. */
+	return ocs_hcu_get_digest(hcu_dev, ctx->algo, dgst, dgst_len);
+}
+
+/**
+ * ocs_hcu_hash_final() - Finalize hash computation.
+ * @hcu_dev:		The OCS HCU device to use.
+ * @ctx:		The OCS HCU hashing context.
+ * @dgst:		The buffer where to save the computed digest.
+ * @dgst_len:		The length of @dgst.
+ *
+ * Return: 0 on success; negative error code otherwise.
+ */
+int ocs_hcu_hash_final(struct ocs_hcu_dev *hcu_dev,
+		       const struct ocs_hcu_hash_ctx *ctx, u8 *dgst,
+		       size_t dgst_len)
+{
+	int rc;
+
+	if (!hcu_dev || !ctx)
+		return -EINVAL;
+
+	/* Configure the hardware for the current request. */
+	rc = ocs_hcu_hw_cfg(hcu_dev, ctx->algo, false);
+	if (rc)
+		return rc;
+
+	/* If we already processed some data, idata needs to be set. */
+	if (ctx->idata.msg_len_lo || ctx->idata.msg_len_hi)
+		ocs_hcu_set_intermediate_data(hcu_dev, &ctx->idata, ctx->algo);
+
+	/*
+	 * Enable HCU interrupts, so that HCU_DONE will be triggered once the
+	 * final hash is computed.
+	 */
+	ocs_hcu_done_irq_en(hcu_dev);
+	reinit_completion(&hcu_dev->irq_done);
+	writel(OCS_HCU_TERMINATE, hcu_dev->io_base + OCS_HCU_OPERATION);
+
+	rc = ocs_hcu_wait_and_disable_irq(hcu_dev);
+	if (rc)
+		return rc;
+
+	/* Get digest and return. */
+	return ocs_hcu_get_digest(hcu_dev, ctx->algo, dgst, dgst_len);
+}
+
+/**
+ * ocs_hcu_digest() - Compute hash digest.
+ * @hcu_dev:		The OCS HCU device to use.
+ * @algo:		The hash algorithm to use.
+ * @data:		The input data to process.
+ * @data_len:		The length of @data.
+ * @dgst:		The buffer where to save the computed digest.
+ * @dgst_len:		The length of @dgst.
+ *
+ * Return: 0 on success; negative error code otherwise.
+ */
+int ocs_hcu_digest(struct ocs_hcu_dev *hcu_dev, enum ocs_hcu_algo algo,
+		   void *data, size_t data_len, u8 *dgst, size_t dgst_len)
+{
+	struct device *dev = hcu_dev->dev;
+	dma_addr_t dma_handle;
+	u32 reg;
+	int rc;
+
+	/* Configure the hardware for the current request. */
+	rc = ocs_hcu_hw_cfg(hcu_dev, algo, false);
+	if (rc)
+		return rc;
+
+	dma_handle = dma_map_single(dev, data, data_len, DMA_TO_DEVICE);
+	if (dma_mapping_error(dev, dma_handle))
+		return -EIO;
+
+	reg = HCU_DMA_SNOOP_MASK | HCU_DMA_EN;
+
+	ocs_hcu_done_irq_en(hcu_dev);
+
+	reinit_completion(&hcu_dev->irq_done);
+
+	writel(dma_handle, hcu_dev->io_base + OCS_HCU_DMA_SRC_ADDR);
+	writel(data_len, hcu_dev->io_base + OCS_HCU_DMA_SRC_SIZE);
+	writel(OCS_HCU_START, hcu_dev->io_base + OCS_HCU_OPERATION);
+	writel(reg, hcu_dev->io_base + OCS_HCU_DMA_DMA_MODE);
+
+	writel(OCS_HCU_TERMINATE, hcu_dev->io_base + OCS_HCU_OPERATION);
+
+	rc = ocs_hcu_wait_and_disable_irq(hcu_dev);
+	if (rc)
+		return rc;
+
+	dma_unmap_single(dev, dma_handle, data_len, DMA_TO_DEVICE);
+
+	return ocs_hcu_get_digest(hcu_dev, algo, dgst, dgst_len);
+}
+
+/**
+ * ocs_hcu_hmac() - Compute HMAC.
+ * @hcu_dev:		The OCS HCU device to use.
+ * @algo:		The hash algorithm to use with HMAC.
+ * @key:		The key to use.
+ * @dma_list:	The OCS DMA list mapping the input data to process.
+ * @key_len:		The length of @key.
+ * @dgst:		The buffer where to save the computed HMAC.
+ * @dgst_len:		The length of @dgst.
+ *
+ * Return: 0 on success; negative error code otherwise.
+ */
+int ocs_hcu_hmac(struct ocs_hcu_dev *hcu_dev, enum ocs_hcu_algo algo,
+		 const u8 *key, size_t key_len,
+		 const struct ocs_hcu_dma_list *dma_list,
+		 u8 *dgst, size_t dgst_len)
+{
+	int rc;
+
+	/* Ensure 'key' is not NULL. */
+	if (!key || key_len == 0)
+		return -EINVAL;
+
+	/* Configure the hardware for the current request. */
+	rc = ocs_hcu_hw_cfg(hcu_dev, algo, true);
+	if (rc)
+		return rc;
+
+	rc = ocs_hcu_write_key(hcu_dev, key, key_len);
+	if (rc)
+		return rc;
+
+	rc = ocs_hcu_ll_dma_start(hcu_dev, dma_list, true);
+
+	/* Clear HW key before processing return code. */
+	ocs_hcu_clear_key(hcu_dev);
+
+	if (rc)
+		return rc;
+
+	return ocs_hcu_get_digest(hcu_dev, algo, dgst, dgst_len);
+}
+
+irqreturn_t ocs_hcu_irq_handler(int irq, void *dev_id)
+{
+	struct ocs_hcu_dev *hcu_dev = dev_id;
+	u32 hcu_irq;
+	u32 dma_irq;
+
+	/* Read and clear the HCU interrupt. */
+	hcu_irq = readl(hcu_dev->io_base + OCS_HCU_ISR);
+	writel(hcu_irq, hcu_dev->io_base + OCS_HCU_ISR);
+
+	/* Read and clear the HCU DMA interrupt. */
+	dma_irq = readl(hcu_dev->io_base + OCS_HCU_DMA_MSI_ISR);
+	writel(dma_irq, hcu_dev->io_base + OCS_HCU_DMA_MSI_ISR);
+
+	/* Check for errors. */
+	if (hcu_irq & HCU_IRQ_HASH_ERR_MASK || dma_irq & HCU_DMA_IRQ_ERR_MASK) {
+		hcu_dev->irq_err = true;
+		goto complete;
+	}
+
+	/* Check for DONE IRQs. */
+	if (hcu_irq & HCU_IRQ_HASH_DONE || dma_irq & HCU_DMA_IRQ_SRC_DONE)
+		goto complete;
+
+	return IRQ_NONE;
+
+complete:
+	complete(&hcu_dev->irq_done);
+
+	return IRQ_HANDLED;
+}
+
+MODULE_DESCRIPTION("Intel Keem Bay OCS HCU Crypto Driver");
+MODULE_LICENSE("GPL");

linux-7.2.3/drivers/crypto/intel/keembay/ocs-hcu.h

@@ -0,0 +1,106 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Intel Keem Bay OCS HCU Crypto Driver.
+ *
+ * Copyright (C) 2018-2020 Intel Corporation
+ */
+
+#include <linux/dma-mapping.h>
+
+#ifndef _CRYPTO_OCS_HCU_H
+#define _CRYPTO_OCS_HCU_H
+
+#define OCS_HCU_DMA_BIT_MASK		DMA_BIT_MASK(32)
+
+#define OCS_HCU_HW_KEY_LEN		64
+
+struct ocs_hcu_dma_list;
+
+enum ocs_hcu_algo {
+	OCS_HCU_ALGO_SHA256 = 2,
+	OCS_HCU_ALGO_SHA224 = 3,
+	OCS_HCU_ALGO_SHA384 = 4,
+	OCS_HCU_ALGO_SHA512 = 5,
+	OCS_HCU_ALGO_SM3    = 6,
+};
+
+/**
+ * struct ocs_hcu_dev - OCS HCU device context.
+ * @list:	List of device contexts.
+ * @dev:	OCS HCU device.
+ * @io_base:	Base address of OCS HCU registers.
+ * @engine:	Crypto engine for the device.
+ * @irq:	IRQ number.
+ * @irq_done:	Completion for IRQ.
+ * @irq_err:	Flag indicating an IRQ error has happened.
+ */
+struct ocs_hcu_dev {
+	struct list_head list;
+	struct device *dev;
+	void __iomem *io_base;
+	struct crypto_engine *engine;
+	int irq;
+	struct completion irq_done;
+	bool irq_err;
+};
+
+/**
+ * struct ocs_hcu_idata - Intermediate data generated by the HCU.
+ * @msg_len_lo: Length of data the HCU has operated on in bits, low 32b.
+ * @msg_len_hi: Length of data the HCU has operated on in bits, high 32b.
+ * @digest: The digest read from the HCU. If the HCU is terminated, it will
+ *	    contain the actual hash digest. Otherwise it is the intermediate
+ *	    state.
+ */
+struct ocs_hcu_idata {
+	u32 msg_len_lo;
+	u32 msg_len_hi;
+	u8  digest[SHA512_DIGEST_SIZE];
+};
+
+/**
+ * struct ocs_hcu_hash_ctx - Context for OCS HCU hashing operation.
+ * @algo:	The hashing algorithm being used.
+ * @idata:	The current intermediate data.
+ */
+struct ocs_hcu_hash_ctx {
+	enum ocs_hcu_algo	algo;
+	struct ocs_hcu_idata	idata;
+};
+
+irqreturn_t ocs_hcu_irq_handler(int irq, void *dev_id);
+
+struct ocs_hcu_dma_list *ocs_hcu_dma_list_alloc(struct ocs_hcu_dev *hcu_dev,
+						int max_nents);
+
+void ocs_hcu_dma_list_free(struct ocs_hcu_dev *hcu_dev,
+			   struct ocs_hcu_dma_list *dma_list);
+
+int ocs_hcu_dma_list_add_tail(struct ocs_hcu_dev *hcu_dev,
+			      struct ocs_hcu_dma_list *dma_list,
+			      dma_addr_t addr, u32 len);
+
+int ocs_hcu_hash_init(struct ocs_hcu_hash_ctx *ctx, enum ocs_hcu_algo algo);
+
+int ocs_hcu_hash_update(struct ocs_hcu_dev *hcu_dev,
+			struct ocs_hcu_hash_ctx *ctx,
+			const struct ocs_hcu_dma_list *dma_list);
+
+int ocs_hcu_hash_finup(struct ocs_hcu_dev *hcu_dev,
+		       const struct ocs_hcu_hash_ctx *ctx,
+		       const struct ocs_hcu_dma_list *dma_list,
+		       u8 *dgst, size_t dgst_len);
+
+int ocs_hcu_hash_final(struct ocs_hcu_dev *hcu_dev,
+		       const struct ocs_hcu_hash_ctx *ctx, u8 *dgst,
+		       size_t dgst_len);
+
+int ocs_hcu_digest(struct ocs_hcu_dev *hcu_dev, enum ocs_hcu_algo algo,
+		   void *data, size_t data_len, u8 *dgst, size_t dgst_len);
+
+int ocs_hcu_hmac(struct ocs_hcu_dev *hcu_dev, enum ocs_hcu_algo algo,
+		 const u8 *key, size_t key_len,
+		 const struct ocs_hcu_dma_list *dma_list,
+		 u8 *dgst, size_t dgst_len);
+
+#endif /* _CRYPTO_OCS_HCU_H */

linux-7.2.3/drivers/crypto/intel/qat/Kconfig

@@ -0,0 +1,135 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config CRYPTO_DEV_QAT
+	tristate
+	select CRYPTO_ACOMP
+	select CRYPTO_AEAD
+	select CRYPTO_AUTHENC
+	select CRYPTO_SKCIPHER
+	select CRYPTO_AKCIPHER
+	select CRYPTO_DH
+	select CRYPTO_RSA
+	select CRYPTO_LIB_AES
+	select CRYPTO_LIB_SHA1
+	select CRYPTO_LIB_SHA256
+	select CRYPTO_LIB_SHA512
+	select CRYPTO_ZSTD
+	select FW_LOADER
+	select CRC8
+
+config CRYPTO_DEV_QAT_DH895xCC
+	tristate "Support for Intel(R) DH895xCC"
+	depends on PCI && (!CPU_BIG_ENDIAN || COMPILE_TEST)
+	select CRYPTO_DEV_QAT
+	help
+	  Support for Intel(R) DH895xcc with Intel(R) QuickAssist Technology
+	  for accelerating crypto and compression workloads.
+
+	  To compile this as a module, choose M here: the module
+	  will be called qat_dh895xcc.
+
+config CRYPTO_DEV_QAT_C3XXX
+	tristate "Support for Intel(R) C3XXX"
+	depends on PCI && (!CPU_BIG_ENDIAN || COMPILE_TEST)
+	select CRYPTO_DEV_QAT
+	help
+	  Support for Intel(R) C3xxx with Intel(R) QuickAssist Technology
+	  for accelerating crypto and compression workloads.
+
+	  To compile this as a module, choose M here: the module
+	  will be called qat_c3xxx.
+
+config CRYPTO_DEV_QAT_C62X
+	tristate "Support for Intel(R) C62X"
+	depends on PCI && (!CPU_BIG_ENDIAN || COMPILE_TEST)
+	select CRYPTO_DEV_QAT
+	help
+	  Support for Intel(R) C62x with Intel(R) QuickAssist Technology
+	  for accelerating crypto and compression workloads.
+
+	  To compile this as a module, choose M here: the module
+	  will be called qat_c62x.
+
+config CRYPTO_DEV_QAT_4XXX
+	tristate "Support for Intel(R) QAT_4XXX"
+	depends on PCI && (!CPU_BIG_ENDIAN || COMPILE_TEST)
+	select CRYPTO_DEV_QAT
+	help
+	  Support for Intel(R) QuickAssist Technology QAT_4xxx
+	  for accelerating crypto and compression workloads.
+
+	  To compile this as a module, choose M here: the module
+	  will be called qat_4xxx.
+
+config CRYPTO_DEV_QAT_420XX
+	tristate "Support for Intel(R) QAT_420XX"
+	depends on PCI && (!CPU_BIG_ENDIAN || COMPILE_TEST)
+	select CRYPTO_DEV_QAT
+	help
+	  Support for Intel(R) QuickAssist Technology QAT_420xx
+	  for accelerating crypto and compression workloads.
+
+	  To compile this as a module, choose M here: the module
+	  will be called qat_420xx.
+
+config CRYPTO_DEV_QAT_6XXX
+	tristate "Support for Intel(R) QuickAssist Technology QAT_6XXX"
+	depends on (X86 || COMPILE_TEST)
+	depends on PCI
+	select CRYPTO_DEV_QAT
+	help
+	  Support for Intel(R) QuickAssist Technology QAT_6xxx
+	  for accelerating crypto and compression workloads.
+
+	  To compile this as a module, choose M here: the module
+	  will be called qat_6xxx.
+
+config CRYPTO_DEV_QAT_DH895xCCVF
+	tristate "Support for Intel(R) DH895xCC Virtual Function"
+	depends on PCI && (!CPU_BIG_ENDIAN || COMPILE_TEST)
+	select PCI_IOV
+	select CRYPTO_DEV_QAT
+
+	help
+	  Support for Intel(R) DH895xcc with Intel(R) QuickAssist Technology
+	  Virtual Function for accelerating crypto and compression workloads.
+
+	  To compile this as a module, choose M here: the module
+	  will be called qat_dh895xccvf.
+
+config CRYPTO_DEV_QAT_C3XXXVF
+	tristate "Support for Intel(R) C3XXX Virtual Function"
+	depends on PCI && (!CPU_BIG_ENDIAN || COMPILE_TEST)
+	select PCI_IOV
+	select CRYPTO_DEV_QAT
+	help
+	  Support for Intel(R) C3xxx with Intel(R) QuickAssist Technology
+	  Virtual Function for accelerating crypto and compression workloads.
+
+	  To compile this as a module, choose M here: the module
+	  will be called qat_c3xxxvf.
+
+config CRYPTO_DEV_QAT_C62XVF
+	tristate "Support for Intel(R) C62X Virtual Function"
+	depends on PCI && (!CPU_BIG_ENDIAN || COMPILE_TEST)
+	select PCI_IOV
+	select CRYPTO_DEV_QAT
+	help
+	  Support for Intel(R) C62x with Intel(R) QuickAssist Technology
+	  Virtual Function for accelerating crypto and compression workloads.
+
+	  To compile this as a module, choose M here: the module
+	  will be called qat_c62xvf.
+
+config CRYPTO_DEV_QAT_ERROR_INJECTION
+	bool "Support for Intel(R) QAT Devices Heartbeat Error Injection"
+	depends on CRYPTO_DEV_QAT
+	depends on DEBUG_FS
+	help
+	  Enables a mechanism that allows to inject a heartbeat error on
+	  Intel(R) QuickAssist devices for testing purposes.
+
+	  This is intended for developer use only.
+	  If unsure, say N.
+
+	  This functionality is available via debugfs entry of the Intel(R)
+	  QuickAssist device

linux-7.2.3/drivers/crypto/intel/qat/Makefile

@@ -0,0 +1,12 @@
+# SPDX-License-Identifier: GPL-2.0
+subdir-ccflags-y := -I$(src)/qat_common
+obj-$(CONFIG_CRYPTO_DEV_QAT) += qat_common/
+obj-$(CONFIG_CRYPTO_DEV_QAT_DH895xCC) += qat_dh895xcc/
+obj-$(CONFIG_CRYPTO_DEV_QAT_C3XXX) += qat_c3xxx/
+obj-$(CONFIG_CRYPTO_DEV_QAT_C62X) += qat_c62x/
+obj-$(CONFIG_CRYPTO_DEV_QAT_4XXX) += qat_4xxx/
+obj-$(CONFIG_CRYPTO_DEV_QAT_420XX) += qat_420xx/
+obj-$(CONFIG_CRYPTO_DEV_QAT_6XXX) += qat_6xxx/
+obj-$(CONFIG_CRYPTO_DEV_QAT_DH895xCCVF) += qat_dh895xccvf/
+obj-$(CONFIG_CRYPTO_DEV_QAT_C3XXXVF) += qat_c3xxxvf/
+obj-$(CONFIG_CRYPTO_DEV_QAT_C62XVF) += qat_c62xvf/

linux-7.2.3/drivers/crypto/intel/qat/qat_420xx/Makefile

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_CRYPTO_DEV_QAT_420XX) += qat_420xx.o
+qat_420xx-y := adf_drv.o adf_420xx_hw_data.o

linux-7.2.3/drivers/crypto/intel/qat/qat_420xx/adf_420xx_hw_data.c

@@ -0,0 +1,506 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2023 Intel Corporation */
+#include <linux/iopoll.h>
+#include <adf_accel_devices.h>
+#include <adf_admin.h>
+#include <adf_bank_state.h>
+#include <adf_cfg.h>
+#include <adf_cfg_services.h>
+#include <adf_clock.h>
+#include <adf_common_drv.h>
+#include <adf_fw_config.h>
+#include <adf_gen4_config.h>
+#include <adf_gen4_hw_csr_data.h>
+#include <adf_gen4_hw_data.h>
+#include <adf_gen4_pfvf.h>
+#include <adf_gen4_pm.h>
+#include <adf_gen4_ras.h>
+#include <adf_gen4_tl.h>
+#include <adf_gen4_vf_mig.h>
+#include <adf_timer.h>
+#include "adf_420xx_hw_data.h"
+#include "icp_qat_hw.h"
+
+#define ADF_AE_GROUP_0		GENMASK(3, 0)
+#define ADF_AE_GROUP_1		GENMASK(7, 4)
+#define ADF_AE_GROUP_2		GENMASK(11, 8)
+#define ADF_AE_GROUP_3		GENMASK(15, 12)
+#define ADF_AE_GROUP_4		BIT(16)
+
+#define ENA_THD_MASK_ASYM	GENMASK(1, 0)
+#define ENA_THD_MASK_SYM	GENMASK(3, 0)
+#define ENA_THD_MASK_DC		GENMASK(1, 0)
+
+static const char * const adf_420xx_fw_objs[] = {
+	[ADF_FW_SYM_OBJ] =  ADF_420XX_SYM_OBJ,
+	[ADF_FW_ASYM_OBJ] =  ADF_420XX_ASYM_OBJ,
+	[ADF_FW_DC_OBJ] =  ADF_420XX_DC_OBJ,
+	[ADF_FW_ADMIN_OBJ] = ADF_420XX_ADMIN_OBJ,
+};
+
+static const struct adf_fw_config adf_fw_cy_config[] = {
+	{ADF_AE_GROUP_3, ADF_FW_SYM_OBJ},
+	{ADF_AE_GROUP_2, ADF_FW_ASYM_OBJ},
+	{ADF_AE_GROUP_1, ADF_FW_SYM_OBJ},
+	{ADF_AE_GROUP_0, ADF_FW_ASYM_OBJ},
+	{ADF_AE_GROUP_4, ADF_FW_ADMIN_OBJ},
+};
+
+static const struct adf_fw_config adf_fw_dc_config[] = {
+	{ADF_AE_GROUP_1, ADF_FW_DC_OBJ},
+	{ADF_AE_GROUP_0, ADF_FW_DC_OBJ},
+	{ADF_AE_GROUP_4, ADF_FW_ADMIN_OBJ},
+};
+
+static const struct adf_fw_config adf_fw_sym_config[] = {
+	{ADF_AE_GROUP_3, ADF_FW_SYM_OBJ},
+	{ADF_AE_GROUP_2, ADF_FW_SYM_OBJ},
+	{ADF_AE_GROUP_1, ADF_FW_SYM_OBJ},
+	{ADF_AE_GROUP_0, ADF_FW_SYM_OBJ},
+	{ADF_AE_GROUP_4, ADF_FW_ADMIN_OBJ},
+};
+
+static const struct adf_fw_config adf_fw_asym_config[] = {
+	{ADF_AE_GROUP_3, ADF_FW_ASYM_OBJ},
+	{ADF_AE_GROUP_2, ADF_FW_ASYM_OBJ},
+	{ADF_AE_GROUP_1, ADF_FW_ASYM_OBJ},
+	{ADF_AE_GROUP_0, ADF_FW_ASYM_OBJ},
+	{ADF_AE_GROUP_4, ADF_FW_ADMIN_OBJ},
+};
+
+static const struct adf_fw_config adf_fw_asym_dc_config[] = {
+	{ADF_AE_GROUP_3, ADF_FW_ASYM_OBJ},
+	{ADF_AE_GROUP_2, ADF_FW_ASYM_OBJ},
+	{ADF_AE_GROUP_1, ADF_FW_ASYM_OBJ},
+	{ADF_AE_GROUP_0, ADF_FW_DC_OBJ},
+	{ADF_AE_GROUP_4, ADF_FW_ADMIN_OBJ},
+};
+
+static const struct adf_fw_config adf_fw_sym_dc_config[] = {
+	{ADF_AE_GROUP_2, ADF_FW_SYM_OBJ},
+	{ADF_AE_GROUP_1, ADF_FW_SYM_OBJ},
+	{ADF_AE_GROUP_0, ADF_FW_DC_OBJ},
+	{ADF_AE_GROUP_4, ADF_FW_ADMIN_OBJ},
+};
+
+static const struct adf_fw_config adf_fw_dcc_config[] = {
+	{ADF_AE_GROUP_1, ADF_FW_DC_OBJ},
+	{ADF_AE_GROUP_0, ADF_FW_SYM_OBJ},
+	{ADF_AE_GROUP_4, ADF_FW_ADMIN_OBJ},
+};
+
+
+static struct adf_hw_device_class adf_420xx_class = {
+	.name = ADF_420XX_DEVICE_NAME,
+	.type = DEV_420XX,
+};
+
+static u32 get_ae_mask(struct adf_hw_device_data *self)
+{
+	unsigned long fuses = self->fuses[ADF_FUSECTL4];
+	u32 mask = ADF_420XX_ACCELENGINES_MASK;
+
+	if (test_bit(0, &fuses))
+		mask &= ~ADF_AE_GROUP_0;
+
+	if (test_bit(4, &fuses))
+		mask &= ~ADF_AE_GROUP_1;
+
+	if (test_bit(8, &fuses))
+		mask &= ~ADF_AE_GROUP_2;
+
+	if (test_bit(12, &fuses))
+		mask &= ~ADF_AE_GROUP_3;
+
+	if (test_bit(16, &fuses))
+		mask &= ~ADF_AE_GROUP_4;
+
+	return mask;
+}
+
+static u32 uof_get_num_objs(struct adf_accel_dev *accel_dev)
+{
+	switch (adf_get_service_enabled(accel_dev)) {
+	case SVC_SYM_ASYM:
+		return ARRAY_SIZE(adf_fw_cy_config);
+	case SVC_DC:
+		return ARRAY_SIZE(adf_fw_dc_config);
+	case SVC_DCC:
+		return ARRAY_SIZE(adf_fw_dcc_config);
+	case SVC_SYM:
+		return ARRAY_SIZE(adf_fw_sym_config);
+	case SVC_ASYM:
+		return ARRAY_SIZE(adf_fw_asym_config);
+	case SVC_ASYM_DC:
+		return ARRAY_SIZE(adf_fw_asym_dc_config);
+	case SVC_SYM_DC:
+		return ARRAY_SIZE(adf_fw_sym_dc_config);
+	default:
+		return 0;
+	}
+}
+
+static const struct adf_fw_config *get_fw_config(struct adf_accel_dev *accel_dev)
+{
+	switch (adf_get_service_enabled(accel_dev)) {
+	case SVC_SYM_ASYM:
+		return adf_fw_cy_config;
+	case SVC_DC:
+		return adf_fw_dc_config;
+	case SVC_DCC:
+		return adf_fw_dcc_config;
+	case SVC_SYM:
+		return adf_fw_sym_config;
+	case SVC_ASYM:
+		return adf_fw_asym_config;
+	case SVC_ASYM_DC:
+		return adf_fw_asym_dc_config;
+	case SVC_SYM_DC:
+		return adf_fw_sym_dc_config;
+	default:
+		return NULL;
+	}
+}
+
+static void update_ae_mask(struct adf_accel_dev *accel_dev)
+{
+	struct adf_hw_device_data *hw_data = GET_HW_DATA(accel_dev);
+	const struct adf_fw_config *fw_config;
+	u32 config_ae_mask = 0;
+	u32 ae_mask, num_objs;
+	int i;
+
+	ae_mask = get_ae_mask(hw_data);
+
+	/* Modify the AE mask based on the firmware configuration loaded */
+	fw_config = get_fw_config(accel_dev);
+	num_objs = uof_get_num_objs(accel_dev);
+
+	config_ae_mask |= ADF_420XX_ADMIN_AE_MASK;
+	for (i = 0; i < num_objs; i++)
+		config_ae_mask |= fw_config[i].ae_mask;
+
+	hw_data->ae_mask = ae_mask & config_ae_mask;
+}
+
+static u32 get_accel_cap(struct adf_accel_dev *accel_dev)
+{
+	u32 capabilities_sym, capabilities_asym, capabilities_dc;
+	struct pci_dev *pdev = accel_dev->accel_pci_dev.pci_dev;
+	u32 capabilities_dcc;
+	u32 fusectl1;
+
+	/* As a side effect, update ae_mask based on configuration */
+	update_ae_mask(accel_dev);
+
+	/* Read accelerator capabilities mask */
+	pci_read_config_dword(pdev, ADF_GEN4_FUSECTL1_OFFSET, &fusectl1);
+
+	capabilities_sym = ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC |
+			  ICP_ACCEL_CAPABILITIES_CIPHER |
+			  ICP_ACCEL_CAPABILITIES_AUTHENTICATION |
+			  ICP_ACCEL_CAPABILITIES_SHA3 |
+			  ICP_ACCEL_CAPABILITIES_SHA3_EXT |
+			  ICP_ACCEL_CAPABILITIES_HKDF |
+			  ICP_ACCEL_CAPABILITIES_CHACHA_POLY |
+			  ICP_ACCEL_CAPABILITIES_AESGCM_SPC |
+			  ICP_ACCEL_CAPABILITIES_SM3 |
+			  ICP_ACCEL_CAPABILITIES_SM4 |
+			  ICP_ACCEL_CAPABILITIES_AES_V2 |
+			  ICP_ACCEL_CAPABILITIES_ZUC |
+			  ICP_ACCEL_CAPABILITIES_WIRELESS_CRYPTO_EXT |
+			  ICP_ACCEL_CAPABILITIES_EXT_ALGCHAIN;
+
+	/* A set bit in fusectl1 means the feature is OFF in this SKU */
+	if (fusectl1 & ICP_ACCEL_GEN4_MASK_CIPHER_SLICE) {
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC;
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_HKDF;
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_CIPHER;
+	}
+
+	if (fusectl1 & ICP_ACCEL_GEN4_MASK_UCS_SLICE) {
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_CHACHA_POLY;
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_AESGCM_SPC;
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_AES_V2;
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_CIPHER;
+	}
+
+	if (fusectl1 & ICP_ACCEL_GEN4_MASK_AUTH_SLICE) {
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_AUTHENTICATION;
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_SHA3;
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_SHA3_EXT;
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_CIPHER;
+	}
+
+	if (fusectl1 & ICP_ACCEL_GEN4_MASK_SMX_SLICE) {
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_SM3;
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_SM4;
+	}
+
+	if (fusectl1 & ICP_ACCEL_GEN4_MASK_WCP_WAT_SLICE) {
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_ZUC;
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_WIRELESS_CRYPTO_EXT;
+	}
+
+	if (fusectl1 & ICP_ACCEL_GEN4_MASK_EIA3_SLICE)
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_ZUC;
+
+	capabilities_asym = ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC |
+			  ICP_ACCEL_CAPABILITIES_SM2 |
+			  ICP_ACCEL_CAPABILITIES_ECEDMONT;
+
+	if (fusectl1 & ICP_ACCEL_GEN4_MASK_PKE_SLICE) {
+		capabilities_asym &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC;
+		capabilities_asym &= ~ICP_ACCEL_CAPABILITIES_SM2;
+		capabilities_asym &= ~ICP_ACCEL_CAPABILITIES_ECEDMONT;
+	}
+
+	capabilities_dc = ICP_ACCEL_CAPABILITIES_COMPRESSION |
+			  ICP_ACCEL_CAPABILITIES_LZ4_COMPRESSION |
+			  ICP_ACCEL_CAPABILITIES_LZ4S_COMPRESSION |
+			  ICP_ACCEL_CAPABILITIES_CNV_INTEGRITY64;
+
+	if (fusectl1 & ICP_ACCEL_GEN4_MASK_COMPRESS_SLICE) {
+		capabilities_dc &= ~ICP_ACCEL_CAPABILITIES_COMPRESSION;
+		capabilities_dc &= ~ICP_ACCEL_CAPABILITIES_LZ4_COMPRESSION;
+		capabilities_dc &= ~ICP_ACCEL_CAPABILITIES_LZ4S_COMPRESSION;
+		capabilities_dc &= ~ICP_ACCEL_CAPABILITIES_CNV_INTEGRITY64;
+	}
+
+	switch (adf_get_service_enabled(accel_dev)) {
+	case SVC_SYM_ASYM:
+		return capabilities_sym | capabilities_asym;
+	case SVC_DC:
+		return capabilities_dc;
+	case SVC_DCC:
+		/*
+		 * Sym capabilities are available for chaining operations,
+		 * but sym crypto instances cannot be supported
+		 */
+		capabilities_dcc = capabilities_dc | capabilities_sym;
+		capabilities_dcc &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC;
+		return capabilities_dcc;
+	case SVC_SYM:
+		return capabilities_sym;
+	case SVC_ASYM:
+		return capabilities_asym;
+	case SVC_ASYM_DC:
+		return capabilities_asym | capabilities_dc;
+	case SVC_SYM_DC:
+		return capabilities_sym | capabilities_dc;
+	default:
+		return 0;
+	}
+}
+
+static const u32 *adf_get_arbiter_mapping(struct adf_accel_dev *accel_dev)
+{
+	if (adf_gen4_init_thd2arb_map(accel_dev))
+		dev_warn(&GET_DEV(accel_dev),
+			 "Failed to generate thread to arbiter mapping");
+
+	return GET_HW_DATA(accel_dev)->thd_to_arb_map;
+}
+
+static void adf_init_rl_data(struct adf_rl_hw_data *rl_data)
+{
+	rl_data->pciout_tb_offset = ADF_GEN4_RL_TOKEN_PCIEOUT_BUCKET_OFFSET;
+	rl_data->pciin_tb_offset = ADF_GEN4_RL_TOKEN_PCIEIN_BUCKET_OFFSET;
+	rl_data->r2l_offset = ADF_GEN4_RL_R2L_OFFSET;
+	rl_data->l2c_offset = ADF_GEN4_RL_L2C_OFFSET;
+	rl_data->c2s_offset = ADF_GEN4_RL_C2S_OFFSET;
+
+	rl_data->pcie_scale_div = ADF_420XX_RL_PCIE_SCALE_FACTOR_DIV;
+	rl_data->pcie_scale_mul = ADF_420XX_RL_PCIE_SCALE_FACTOR_MUL;
+	rl_data->dcpr_correction = ADF_420XX_RL_DCPR_CORRECTION;
+	rl_data->max_tp[SVC_ASYM] = ADF_420XX_RL_MAX_TP_ASYM;
+	rl_data->max_tp[SVC_SYM] = ADF_420XX_RL_MAX_TP_SYM;
+	rl_data->max_tp[SVC_DC] = ADF_420XX_RL_MAX_TP_DC;
+	rl_data->scan_interval = ADF_420XX_RL_SCANS_PER_SEC;
+	rl_data->scale_ref = ADF_420XX_RL_SLICE_REF;
+
+	adf_gen4_init_num_svc_aes(rl_data);
+}
+
+static int get_rp_group(struct adf_accel_dev *accel_dev, u32 ae_mask)
+{
+	switch (ae_mask) {
+	case ADF_AE_GROUP_0:
+		return RP_GROUP_0;
+	case ADF_AE_GROUP_1:
+	case ADF_AE_GROUP_3:
+		return RP_GROUP_1;
+	case ADF_AE_GROUP_2:
+		if (get_fw_config(accel_dev) == adf_fw_cy_config)
+			return RP_GROUP_0;
+		else
+			return RP_GROUP_1;
+	default:
+		dev_dbg(&GET_DEV(accel_dev), "ae_mask not recognized");
+		return -EINVAL;
+	}
+}
+
+static u32 get_ena_thd_mask(struct adf_accel_dev *accel_dev, u32 obj_num)
+{
+	const struct adf_fw_config *fw_config;
+
+	if (obj_num >= uof_get_num_objs(accel_dev))
+		return ADF_GEN4_ENA_THD_MASK_ERROR;
+
+	fw_config = get_fw_config(accel_dev);
+	if (!fw_config)
+		return ADF_GEN4_ENA_THD_MASK_ERROR;
+
+	switch (fw_config[obj_num].obj) {
+	case ADF_FW_ASYM_OBJ:
+		return ENA_THD_MASK_ASYM;
+	case ADF_FW_SYM_OBJ:
+		return ENA_THD_MASK_SYM;
+	case ADF_FW_DC_OBJ:
+		return ENA_THD_MASK_DC;
+	default:
+		return ADF_GEN4_ENA_THD_MASK_ERROR;
+	}
+}
+
+static const char *uof_get_name(struct adf_accel_dev *accel_dev, u32 obj_num,
+				const char * const fw_objs[], int num_objs)
+{
+	const struct adf_fw_config *fw_config;
+	int id;
+
+	fw_config = get_fw_config(accel_dev);
+	if (fw_config)
+		id = fw_config[obj_num].obj;
+	else
+		id = -EINVAL;
+
+	if (id < 0 || id >= num_objs)
+		return NULL;
+
+	return fw_objs[id];
+}
+
+static const char *uof_get_name_420xx(struct adf_accel_dev *accel_dev, u32 obj_num)
+{
+	int num_fw_objs = ARRAY_SIZE(adf_420xx_fw_objs);
+
+	return uof_get_name(accel_dev, obj_num, adf_420xx_fw_objs, num_fw_objs);
+}
+
+static int uof_get_obj_type(struct adf_accel_dev *accel_dev, u32 obj_num)
+{
+	const struct adf_fw_config *fw_config;
+
+	if (obj_num >= uof_get_num_objs(accel_dev))
+		return -EINVAL;
+
+	fw_config = get_fw_config(accel_dev);
+	if (!fw_config)
+		return -EINVAL;
+
+	return fw_config[obj_num].obj;
+}
+
+static u32 uof_get_ae_mask(struct adf_accel_dev *accel_dev, u32 obj_num)
+{
+	const struct adf_fw_config *fw_config;
+
+	fw_config = get_fw_config(accel_dev);
+	if (!fw_config)
+		return 0;
+
+	return fw_config[obj_num].ae_mask;
+}
+
+static void adf_gen4_set_err_mask(struct adf_dev_err_mask *dev_err_mask)
+{
+	dev_err_mask->cppagentcmdpar_mask = ADF_420XX_HICPPAGENTCMDPARERRLOG_MASK;
+	dev_err_mask->parerr_ath_cph_mask = ADF_420XX_PARITYERRORMASK_ATH_CPH_MASK;
+	dev_err_mask->parerr_cpr_xlt_mask = ADF_420XX_PARITYERRORMASK_CPR_XLT_MASK;
+	dev_err_mask->parerr_dcpr_ucs_mask = ADF_420XX_PARITYERRORMASK_DCPR_UCS_MASK;
+	dev_err_mask->parerr_pke_mask = ADF_420XX_PARITYERRORMASK_PKE_MASK;
+	dev_err_mask->parerr_wat_wcp_mask = ADF_420XX_PARITYERRORMASK_WAT_WCP_MASK;
+	dev_err_mask->ssmfeatren_mask = ADF_420XX_SSMFEATREN_MASK;
+}
+
+void adf_init_hw_data_420xx(struct adf_hw_device_data *hw_data, u32 dev_id)
+{
+	hw_data->dev_class = &adf_420xx_class;
+	hw_data->instance_id = adf_420xx_class.instances++;
+	hw_data->num_banks = ADF_GEN4_ETR_MAX_BANKS;
+	hw_data->num_banks_per_vf = ADF_GEN4_NUM_BANKS_PER_VF;
+	hw_data->num_rings_per_bank = ADF_GEN4_NUM_RINGS_PER_BANK;
+	hw_data->num_accel = ADF_GEN4_MAX_ACCELERATORS;
+	hw_data->num_engines = ADF_420XX_MAX_ACCELENGINES;
+	hw_data->num_logical_accel = 1;
+	hw_data->tx_rx_gap = ADF_GEN4_RX_RINGS_OFFSET;
+	hw_data->tx_rings_mask = ADF_GEN4_TX_RINGS_MASK;
+	hw_data->ring_to_svc_map = ADF_GEN4_DEFAULT_RING_TO_SRV_MAP;
+	hw_data->alloc_irq = adf_isr_resource_alloc;
+	hw_data->free_irq = adf_isr_resource_free;
+	hw_data->enable_error_correction = adf_gen4_enable_error_correction;
+	hw_data->get_accel_mask = adf_gen4_get_accel_mask;
+	hw_data->get_ae_mask = get_ae_mask;
+	hw_data->get_num_accels = adf_gen4_get_num_accels;
+	hw_data->get_num_aes = adf_gen4_get_num_aes;
+	hw_data->get_sram_bar_id = adf_gen4_get_sram_bar_id;
+	hw_data->get_etr_bar_id = adf_gen4_get_etr_bar_id;
+	hw_data->get_misc_bar_id = adf_gen4_get_misc_bar_id;
+	hw_data->get_arb_info = adf_gen4_get_arb_info;
+	hw_data->get_admin_info = adf_gen4_get_admin_info;
+	hw_data->get_accel_cap = get_accel_cap;
+	hw_data->get_sku = adf_gen4_get_sku;
+	hw_data->init_admin_comms = adf_init_admin_comms;
+	hw_data->exit_admin_comms = adf_exit_admin_comms;
+	hw_data->send_admin_init = adf_send_admin_init;
+	hw_data->init_arb = adf_init_arb;
+	hw_data->exit_arb = adf_exit_arb;
+	hw_data->get_arb_mapping = adf_get_arbiter_mapping;
+	hw_data->enable_ints = adf_gen4_enable_ints;
+	hw_data->init_device = adf_gen4_init_device;
+	hw_data->reset_device = adf_reset_flr;
+	hw_data->admin_ae_mask = ADF_420XX_ADMIN_AE_MASK;
+	hw_data->num_rps = ADF_GEN4_MAX_RPS;
+	hw_data->fw_name = ADF_420XX_FW;
+	hw_data->fw_mmp_name = ADF_420XX_MMP;
+	hw_data->uof_get_name = uof_get_name_420xx;
+	hw_data->uof_get_num_objs = uof_get_num_objs;
+	hw_data->uof_get_obj_type = uof_get_obj_type;
+	hw_data->uof_get_ae_mask = uof_get_ae_mask;
+	hw_data->get_rp_group = get_rp_group;
+	hw_data->get_ena_thd_mask = get_ena_thd_mask;
+	hw_data->set_msix_rttable = adf_gen4_set_msix_default_rttable;
+	hw_data->set_ssm_wdtimer = adf_gen4_set_ssm_wdtimer;
+	hw_data->get_ring_to_svc_map = adf_gen4_get_ring_to_svc_map;
+	hw_data->disable_iov = adf_disable_sriov;
+	hw_data->ring_pair_reset = adf_gen4_ring_pair_reset;
+	hw_data->bank_state_save = adf_bank_state_save;
+	hw_data->bank_state_restore = adf_bank_state_restore;
+	hw_data->enable_pm = adf_gen4_enable_pm;
+	hw_data->handle_pm_interrupt = adf_gen4_handle_pm_interrupt;
+	hw_data->dev_config = adf_gen4_dev_config;
+	hw_data->start_timer = adf_timer_start;
+	hw_data->stop_timer = adf_timer_stop;
+	hw_data->get_hb_clock = adf_gen4_get_heartbeat_clock;
+	hw_data->num_hb_ctrs = ADF_NUM_HB_CNT_PER_AE;
+	hw_data->clock_frequency = ADF_420XX_AE_FREQ;
+	hw_data->services_supported = adf_gen4_services_supported;
+	hw_data->get_svc_slice_cnt = adf_gen4_get_svc_slice_cnt;
+	hw_data->accel_capabilities_ext_mask = ADF_ACCEL_CAPABILITIES_EXT_ZSTD_LZ4S;
+
+	adf_gen4_set_err_mask(&hw_data->dev_err_mask);
+	adf_gen4_init_hw_csr_ops(&hw_data->csr_ops);
+	adf_gen4_init_pf_pfvf_ops(&hw_data->pfvf_ops);
+	adf_gen4_init_dc_ops(&hw_data->dc_ops);
+	adf_gen4_init_ras_ops(&hw_data->ras_ops);
+	adf_gen4_init_tl_data(&hw_data->tl_data);
+	adf_gen4_init_vf_mig_ops(&hw_data->vfmig_ops);
+	adf_init_rl_data(&hw_data->rl_data);
+}
+
+void adf_clean_hw_data_420xx(struct adf_hw_device_data *hw_data)
+{
+	hw_data->dev_class->instances--;
+}

linux-7.2.3/drivers/crypto/intel/qat/qat_420xx/adf_420xx_hw_data.h

@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright(c) 2023 Intel Corporation */
+#ifndef ADF_420XX_HW_DATA_H_
+#define ADF_420XX_HW_DATA_H_
+
+#include <adf_accel_devices.h>
+
+#define ADF_420XX_MAX_ACCELENGINES		17
+
+#define ADF_420XX_ACCELENGINES_MASK		0x1FFFF
+#define ADF_420XX_ADMIN_AE_MASK			0x10000
+
+#define ADF_420XX_HICPPAGENTCMDPARERRLOG_MASK	(0xFF)
+#define ADF_420XX_PARITYERRORMASK_ATH_CPH_MASK	(0xFF00FF)
+#define ADF_420XX_PARITYERRORMASK_CPR_XLT_MASK	(0x10001)
+#define ADF_420XX_PARITYERRORMASK_DCPR_UCS_MASK	(0xF0007)
+#define ADF_420XX_PARITYERRORMASK_PKE_MASK	(0xFFF)
+#define ADF_420XX_PARITYERRORMASK_WAT_WCP_MASK	(0x3FF03FF)
+
+/*
+ * SSMFEATREN bit mask
+ * BIT(4) - enables parity detection on CPP
+ * BIT(12) - enables the logging of push/pull data errors
+ *	     in pperr register
+ * BIT(16) - BIT(27) - enable parity detection on SPPs
+ */
+#define ADF_420XX_SSMFEATREN_MASK \
+	(BIT(4) | BIT(12) | BIT(16) | BIT(17) | BIT(18) | BIT(19) | BIT(20) | \
+	 BIT(21) | BIT(22) | BIT(23) | BIT(24) | BIT(25) | BIT(26) | BIT(27))
+
+/* Firmware Binaries */
+#define ADF_420XX_FW		"qat_420xx.bin"
+#define ADF_420XX_MMP		"qat_420xx_mmp.bin"
+#define ADF_420XX_SYM_OBJ	"qat_420xx_sym.bin"
+#define ADF_420XX_DC_OBJ	"qat_420xx_dc.bin"
+#define ADF_420XX_ASYM_OBJ	"qat_420xx_asym.bin"
+#define ADF_420XX_ADMIN_OBJ	"qat_420xx_admin.bin"
+
+/* RL constants */
+#define ADF_420XX_RL_PCIE_SCALE_FACTOR_DIV	100
+#define ADF_420XX_RL_PCIE_SCALE_FACTOR_MUL	102
+#define ADF_420XX_RL_DCPR_CORRECTION		1
+#define ADF_420XX_RL_SCANS_PER_SEC		954
+#define ADF_420XX_RL_MAX_TP_ASYM		173750UL
+#define ADF_420XX_RL_MAX_TP_SYM			95000UL
+#define ADF_420XX_RL_MAX_TP_DC			40000UL
+#define ADF_420XX_RL_SLICE_REF			1000UL
+
+/* Clocks frequency */
+#define ADF_420XX_AE_FREQ		(1000 * HZ_PER_MHZ)
+
+void adf_init_hw_data_420xx(struct adf_hw_device_data *hw_data, u32 dev_id);
+void adf_clean_hw_data_420xx(struct adf_hw_device_data *hw_data);
+
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_420xx/adf_drv.c

@@ -0,0 +1,212 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2023 Intel Corporation */
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+
+#include <adf_accel_devices.h>
+#include <adf_gen4_hw_data.h>
+#include <adf_gen4_config.h>
+#include <adf_cfg.h>
+#include <adf_common_drv.h>
+#include <adf_dbgfs.h>
+
+#include "adf_420xx_hw_data.h"
+
+static const struct pci_device_id adf_pci_tbl[] = {
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_QAT_420XX) },
+	{ }
+};
+MODULE_DEVICE_TABLE(pci, adf_pci_tbl);
+
+static void adf_cleanup_accel(struct adf_accel_dev *accel_dev)
+{
+	if (accel_dev->hw_device) {
+		adf_clean_hw_data_420xx(accel_dev->hw_device);
+		accel_dev->hw_device = NULL;
+	}
+	adf_dbgfs_exit(accel_dev);
+	adf_cfg_dev_remove(accel_dev);
+	adf_devmgr_rm_dev(accel_dev, NULL);
+}
+
+static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	struct adf_accel_dev *accel_dev;
+	struct adf_accel_pci *accel_pci_dev;
+	struct adf_hw_device_data *hw_data;
+	unsigned int i, bar_nr;
+	unsigned long bar_mask;
+	struct adf_bar *bar;
+	int ret;
+
+	if (num_possible_nodes() > 1 && dev_to_node(&pdev->dev) < 0) {
+		/*
+		 * If the accelerator is connected to a node with no memory
+		 * there is no point in using the accelerator since the remote
+		 * memory transaction will be very slow.
+		 */
+		dev_err(&pdev->dev, "Invalid NUMA configuration.\n");
+		return -EINVAL;
+	}
+
+	accel_dev = devm_kzalloc(&pdev->dev, sizeof(*accel_dev), GFP_KERNEL);
+	if (!accel_dev)
+		return -ENOMEM;
+
+	INIT_LIST_HEAD(&accel_dev->crypto_list);
+	accel_pci_dev = &accel_dev->accel_pci_dev;
+	accel_pci_dev->pci_dev = pdev;
+
+	/*
+	 * Add accel device to accel table
+	 * This should be called before adf_cleanup_accel is called
+	 */
+	if (adf_devmgr_add_dev(accel_dev, NULL)) {
+		dev_err(&pdev->dev, "Failed to add new accelerator device.\n");
+		return -EFAULT;
+	}
+
+	accel_dev->owner = THIS_MODULE;
+	/* Allocate and initialise device hardware meta-data structure */
+	hw_data = devm_kzalloc(&pdev->dev, sizeof(*hw_data), GFP_KERNEL);
+	if (!hw_data) {
+		ret = -ENOMEM;
+		goto out_err;
+	}
+
+	accel_dev->hw_device = hw_data;
+	adf_init_hw_data_420xx(accel_dev->hw_device, ent->device);
+
+	pci_read_config_byte(pdev, PCI_REVISION_ID, &accel_pci_dev->revid);
+	pci_read_config_dword(pdev, ADF_GEN4_FUSECTL4_OFFSET, &hw_data->fuses[ADF_FUSECTL4]);
+
+	/* Get Accelerators and Accelerators Engines masks */
+	hw_data->accel_mask = hw_data->get_accel_mask(hw_data);
+	hw_data->ae_mask = hw_data->get_ae_mask(hw_data);
+	accel_pci_dev->sku = hw_data->get_sku(hw_data);
+	/* If the device has no acceleration engines then ignore it */
+	if (!hw_data->accel_mask || !hw_data->ae_mask ||
+	    (~hw_data->ae_mask & 0x01)) {
+		dev_err(&pdev->dev, "No acceleration units found.\n");
+		ret = -EFAULT;
+		goto out_err;
+	}
+
+	/* Create device configuration table */
+	ret = adf_cfg_dev_add(accel_dev);
+	if (ret)
+		goto out_err;
+
+	/* Enable PCI device */
+	ret = pcim_enable_device(pdev);
+	if (ret) {
+		pci_err(pdev, "Can't enable PCI device.\n");
+		goto out_err;
+	}
+
+	/* Set DMA identifier */
+	ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
+	if (ret) {
+		dev_err(&pdev->dev, "No usable DMA configuration.\n");
+		goto out_err;
+	}
+
+	ret = adf_gen4_cfg_dev_init(accel_dev);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to initialize configuration.\n");
+		goto out_err;
+	}
+
+	/* Get accelerator capabilities mask */
+	hw_data->accel_capabilities_mask = hw_data->get_accel_cap(accel_dev);
+	if (!hw_data->accel_capabilities_mask) {
+		dev_err(&pdev->dev, "Failed to get capabilities mask.\n");
+		ret = -EINVAL;
+		goto out_err;
+	}
+
+	/* Find and map all the device's BARS */
+	bar_mask = pci_select_bars(pdev, IORESOURCE_MEM) & ADF_GEN4_BAR_MASK;
+
+	ret = pcim_request_all_regions(pdev, pci_name(pdev));
+	if (ret) {
+		pci_err(pdev, "Failed to request PCI regions.\n");
+		goto out_err;
+	}
+
+	i = 0;
+	for_each_set_bit(bar_nr, &bar_mask, PCI_STD_NUM_BARS) {
+		bar = &accel_pci_dev->pci_bars[i++];
+		bar->virt_addr = pcim_iomap(pdev, bar_nr, 0);
+		if (!bar->virt_addr) {
+			pci_err(pdev, "Failed to ioremap PCI region.\n");
+			ret = -ENOMEM;
+			goto out_err;
+		}
+	}
+
+	if (pci_save_state(pdev)) {
+		pci_err(pdev, "Failed to save pci state.\n");
+		ret = -ENOMEM;
+		goto out_err;
+	}
+
+	accel_dev->ras_errors.enabled = true;
+	adf_dbgfs_init(accel_dev);
+
+	ret = adf_dev_up(accel_dev, true);
+	if (ret)
+		goto out_err_dev_stop;
+
+	ret = adf_sysfs_init(accel_dev);
+	if (ret)
+		goto out_err_dev_stop;
+
+	return ret;
+
+out_err_dev_stop:
+	adf_dev_down(accel_dev);
+out_err:
+	adf_cleanup_accel(accel_dev);
+	return ret;
+}
+
+static void adf_remove(struct pci_dev *pdev)
+{
+	struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev);
+
+	if (!accel_dev) {
+		pr_err("QAT: Driver removal failed\n");
+		return;
+	}
+	adf_dev_down(accel_dev);
+	adf_cleanup_accel(accel_dev);
+}
+
+static void adf_shutdown(struct pci_dev *pdev)
+{
+	struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev);
+
+	adf_dev_down(accel_dev);
+}
+
+static struct pci_driver adf_driver = {
+	.id_table = adf_pci_tbl,
+	.name = ADF_420XX_DEVICE_NAME,
+	.probe = adf_probe,
+	.remove = adf_remove,
+	.shutdown = adf_shutdown,
+	.sriov_configure = adf_sriov_configure,
+	.err_handler = &adf_err_handler,
+};
+
+module_pci_driver(adf_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Intel");
+MODULE_FIRMWARE(ADF_420XX_FW);
+MODULE_FIRMWARE(ADF_420XX_MMP);
+MODULE_DESCRIPTION("Intel(R) QuickAssist Technology");
+MODULE_SOFTDEP("pre: crypto-intel_qat");
+MODULE_IMPORT_NS("CRYPTO_QAT");

linux-7.2.3/drivers/crypto/intel/qat/qat_4xxx/Makefile

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+obj-$(CONFIG_CRYPTO_DEV_QAT_4XXX) += qat_4xxx.o
+qat_4xxx-y := adf_drv.o adf_4xxx_hw_data.o

linux-7.2.3/drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.c

@@ -0,0 +1,491 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2020 - 2021 Intel Corporation */
+#include <linux/iopoll.h>
+#include <adf_accel_devices.h>
+#include <adf_admin.h>
+#include <adf_bank_state.h>
+#include <adf_cfg.h>
+#include <adf_cfg_services.h>
+#include <adf_clock.h>
+#include <adf_common_drv.h>
+#include <adf_fw_config.h>
+#include <adf_gen4_config.h>
+#include <adf_gen4_hw_csr_data.h>
+#include <adf_gen4_hw_data.h>
+#include <adf_gen4_pfvf.h>
+#include <adf_gen4_pm.h>
+#include "adf_gen4_ras.h"
+#include <adf_gen4_tl.h>
+#include <adf_gen4_vf_mig.h>
+#include <adf_timer.h>
+#include "adf_4xxx_hw_data.h"
+#include "icp_qat_hw.h"
+
+#define ADF_AE_GROUP_0		GENMASK(3, 0)
+#define ADF_AE_GROUP_1		GENMASK(7, 4)
+#define ADF_AE_GROUP_2		BIT(8)
+
+#define ENA_THD_MASK_ASYM	GENMASK(1, 0)
+#define ENA_THD_MASK_ASYM_401XX	GENMASK(5, 0)
+#define ENA_THD_MASK_SYM	GENMASK(6, 0)
+#define ENA_THD_MASK_DC		GENMASK(1, 0)
+
+static const char * const adf_4xxx_fw_objs[] = {
+	[ADF_FW_SYM_OBJ] =  ADF_4XXX_SYM_OBJ,
+	[ADF_FW_ASYM_OBJ] =  ADF_4XXX_ASYM_OBJ,
+	[ADF_FW_DC_OBJ] =  ADF_4XXX_DC_OBJ,
+	[ADF_FW_ADMIN_OBJ] = ADF_4XXX_ADMIN_OBJ,
+};
+
+static const char * const adf_402xx_fw_objs[] = {
+	[ADF_FW_SYM_OBJ] =  ADF_402XX_SYM_OBJ,
+	[ADF_FW_ASYM_OBJ] =  ADF_402XX_ASYM_OBJ,
+	[ADF_FW_DC_OBJ] =  ADF_402XX_DC_OBJ,
+	[ADF_FW_ADMIN_OBJ] = ADF_402XX_ADMIN_OBJ,
+};
+
+static const struct adf_fw_config adf_fw_cy_config[] = {
+	{ADF_AE_GROUP_1, ADF_FW_SYM_OBJ},
+	{ADF_AE_GROUP_0, ADF_FW_ASYM_OBJ},
+	{ADF_AE_GROUP_2, ADF_FW_ADMIN_OBJ},
+};
+
+static const struct adf_fw_config adf_fw_dc_config[] = {
+	{ADF_AE_GROUP_1, ADF_FW_DC_OBJ},
+	{ADF_AE_GROUP_0, ADF_FW_DC_OBJ},
+	{ADF_AE_GROUP_2, ADF_FW_ADMIN_OBJ},
+};
+
+static const struct adf_fw_config adf_fw_sym_config[] = {
+	{ADF_AE_GROUP_1, ADF_FW_SYM_OBJ},
+	{ADF_AE_GROUP_0, ADF_FW_SYM_OBJ},
+	{ADF_AE_GROUP_2, ADF_FW_ADMIN_OBJ},
+};
+
+static const struct adf_fw_config adf_fw_asym_config[] = {
+	{ADF_AE_GROUP_1, ADF_FW_ASYM_OBJ},
+	{ADF_AE_GROUP_0, ADF_FW_ASYM_OBJ},
+	{ADF_AE_GROUP_2, ADF_FW_ADMIN_OBJ},
+};
+
+static const struct adf_fw_config adf_fw_asym_dc_config[] = {
+	{ADF_AE_GROUP_1, ADF_FW_ASYM_OBJ},
+	{ADF_AE_GROUP_0, ADF_FW_DC_OBJ},
+	{ADF_AE_GROUP_2, ADF_FW_ADMIN_OBJ},
+};
+
+static const struct adf_fw_config adf_fw_sym_dc_config[] = {
+	{ADF_AE_GROUP_1, ADF_FW_SYM_OBJ},
+	{ADF_AE_GROUP_0, ADF_FW_DC_OBJ},
+	{ADF_AE_GROUP_2, ADF_FW_ADMIN_OBJ},
+};
+
+static const struct adf_fw_config adf_fw_dcc_config[] = {
+	{ADF_AE_GROUP_1, ADF_FW_DC_OBJ},
+	{ADF_AE_GROUP_0, ADF_FW_SYM_OBJ},
+	{ADF_AE_GROUP_2, ADF_FW_ADMIN_OBJ},
+};
+
+static_assert(ARRAY_SIZE(adf_fw_cy_config) == ARRAY_SIZE(adf_fw_dc_config));
+static_assert(ARRAY_SIZE(adf_fw_cy_config) == ARRAY_SIZE(adf_fw_sym_config));
+static_assert(ARRAY_SIZE(adf_fw_cy_config) == ARRAY_SIZE(adf_fw_asym_config));
+static_assert(ARRAY_SIZE(adf_fw_cy_config) == ARRAY_SIZE(adf_fw_asym_dc_config));
+static_assert(ARRAY_SIZE(adf_fw_cy_config) == ARRAY_SIZE(adf_fw_sym_dc_config));
+static_assert(ARRAY_SIZE(adf_fw_cy_config) == ARRAY_SIZE(adf_fw_dcc_config));
+
+static struct adf_hw_device_class adf_4xxx_class = {
+	.name = ADF_4XXX_DEVICE_NAME,
+	.type = DEV_4XXX,
+};
+
+static u32 get_ae_mask(struct adf_hw_device_data *self)
+{
+	unsigned long fuses = self->fuses[ADF_FUSECTL4];
+	u32 mask = ADF_4XXX_ACCELENGINES_MASK;
+
+	if (test_bit(0, &fuses))
+		mask &= ~ADF_AE_GROUP_0;
+
+	if (test_bit(4, &fuses))
+		mask &= ~ADF_AE_GROUP_1;
+
+	if (test_bit(8, &fuses))
+		mask &= ~ADF_AE_GROUP_2;
+
+	return mask;
+}
+
+static u32 get_accel_cap(struct adf_accel_dev *accel_dev)
+{
+	struct pci_dev *pdev = accel_dev->accel_pci_dev.pci_dev;
+	u32 capabilities_sym, capabilities_asym, capabilities_dc;
+	u32 capabilities_dcc;
+	u32 fusectl1;
+
+	/* Read accelerator capabilities mask */
+	pci_read_config_dword(pdev, ADF_GEN4_FUSECTL1_OFFSET, &fusectl1);
+
+	capabilities_sym = ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC |
+			  ICP_ACCEL_CAPABILITIES_CIPHER |
+			  ICP_ACCEL_CAPABILITIES_AUTHENTICATION |
+			  ICP_ACCEL_CAPABILITIES_SHA3 |
+			  ICP_ACCEL_CAPABILITIES_SHA3_EXT |
+			  ICP_ACCEL_CAPABILITIES_HKDF |
+			  ICP_ACCEL_CAPABILITIES_CHACHA_POLY |
+			  ICP_ACCEL_CAPABILITIES_AESGCM_SPC |
+			  ICP_ACCEL_CAPABILITIES_SM3 |
+			  ICP_ACCEL_CAPABILITIES_SM4 |
+			  ICP_ACCEL_CAPABILITIES_AES_V2;
+
+	/* A set bit in fusectl1 means the feature is OFF in this SKU */
+	if (fusectl1 & ICP_ACCEL_GEN4_MASK_CIPHER_SLICE) {
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC;
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_HKDF;
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_CIPHER;
+	}
+
+	if (fusectl1 & ICP_ACCEL_GEN4_MASK_UCS_SLICE) {
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_CHACHA_POLY;
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_AESGCM_SPC;
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_AES_V2;
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_CIPHER;
+	}
+
+	if (fusectl1 & ICP_ACCEL_GEN4_MASK_AUTH_SLICE) {
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_AUTHENTICATION;
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_SHA3;
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_SHA3_EXT;
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_CIPHER;
+	}
+
+	if (fusectl1 & ICP_ACCEL_GEN4_MASK_SMX_SLICE) {
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_SM3;
+		capabilities_sym &= ~ICP_ACCEL_CAPABILITIES_SM4;
+	}
+
+	capabilities_asym = ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC |
+			  ICP_ACCEL_CAPABILITIES_CIPHER |
+			  ICP_ACCEL_CAPABILITIES_SM2 |
+			  ICP_ACCEL_CAPABILITIES_ECEDMONT;
+
+	if (fusectl1 & ICP_ACCEL_GEN4_MASK_PKE_SLICE) {
+		capabilities_asym &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC;
+		capabilities_asym &= ~ICP_ACCEL_CAPABILITIES_SM2;
+		capabilities_asym &= ~ICP_ACCEL_CAPABILITIES_ECEDMONT;
+	}
+
+	capabilities_dc = ICP_ACCEL_CAPABILITIES_COMPRESSION |
+			  ICP_ACCEL_CAPABILITIES_LZ4_COMPRESSION |
+			  ICP_ACCEL_CAPABILITIES_LZ4S_COMPRESSION |
+			  ICP_ACCEL_CAPABILITIES_CNV_INTEGRITY64;
+
+	if (fusectl1 & ICP_ACCEL_GEN4_MASK_COMPRESS_SLICE) {
+		capabilities_dc &= ~ICP_ACCEL_CAPABILITIES_COMPRESSION;
+		capabilities_dc &= ~ICP_ACCEL_CAPABILITIES_LZ4_COMPRESSION;
+		capabilities_dc &= ~ICP_ACCEL_CAPABILITIES_LZ4S_COMPRESSION;
+		capabilities_dc &= ~ICP_ACCEL_CAPABILITIES_CNV_INTEGRITY64;
+	}
+
+	switch (adf_get_service_enabled(accel_dev)) {
+	case SVC_SYM_ASYM:
+		return capabilities_sym | capabilities_asym;
+	case SVC_DC:
+		return capabilities_dc;
+	case SVC_DCC:
+		/*
+		 * Sym capabilities are available for chaining operations,
+		 * but sym crypto instances cannot be supported
+		 */
+		capabilities_dcc = capabilities_dc | capabilities_sym;
+		capabilities_dcc &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC;
+		return capabilities_dcc;
+	case SVC_SYM:
+		return capabilities_sym;
+	case SVC_ASYM:
+		return capabilities_asym;
+	case SVC_ASYM_DC:
+		return capabilities_asym | capabilities_dc;
+	case SVC_SYM_DC:
+		return capabilities_sym | capabilities_dc;
+	default:
+		return 0;
+	}
+}
+
+static const u32 *adf_get_arbiter_mapping(struct adf_accel_dev *accel_dev)
+{
+	if (adf_gen4_init_thd2arb_map(accel_dev))
+		dev_warn(&GET_DEV(accel_dev),
+			 "Failed to generate thread to arbiter mapping");
+
+	return GET_HW_DATA(accel_dev)->thd_to_arb_map;
+}
+
+static void adf_init_rl_data(struct adf_rl_hw_data *rl_data)
+{
+	rl_data->pciout_tb_offset = ADF_GEN4_RL_TOKEN_PCIEOUT_BUCKET_OFFSET;
+	rl_data->pciin_tb_offset = ADF_GEN4_RL_TOKEN_PCIEIN_BUCKET_OFFSET;
+	rl_data->r2l_offset = ADF_GEN4_RL_R2L_OFFSET;
+	rl_data->l2c_offset = ADF_GEN4_RL_L2C_OFFSET;
+	rl_data->c2s_offset = ADF_GEN4_RL_C2S_OFFSET;
+
+	rl_data->pcie_scale_div = ADF_4XXX_RL_PCIE_SCALE_FACTOR_DIV;
+	rl_data->pcie_scale_mul = ADF_4XXX_RL_PCIE_SCALE_FACTOR_MUL;
+	rl_data->dcpr_correction = ADF_4XXX_RL_DCPR_CORRECTION;
+	rl_data->max_tp[SVC_ASYM] = ADF_4XXX_RL_MAX_TP_ASYM;
+	rl_data->max_tp[SVC_SYM] = ADF_4XXX_RL_MAX_TP_SYM;
+	rl_data->max_tp[SVC_DC] = ADF_4XXX_RL_MAX_TP_DC;
+	rl_data->scan_interval = ADF_4XXX_RL_SCANS_PER_SEC;
+	rl_data->scale_ref = ADF_4XXX_RL_SLICE_REF;
+
+	adf_gen4_init_num_svc_aes(rl_data);
+}
+
+static u32 uof_get_num_objs(struct adf_accel_dev *accel_dev)
+{
+	return ARRAY_SIZE(adf_fw_cy_config);
+}
+
+static const struct adf_fw_config *get_fw_config(struct adf_accel_dev *accel_dev)
+{
+	switch (adf_get_service_enabled(accel_dev)) {
+	case SVC_SYM_ASYM:
+		return adf_fw_cy_config;
+	case SVC_DC:
+		return adf_fw_dc_config;
+	case SVC_DCC:
+		return adf_fw_dcc_config;
+	case SVC_SYM:
+		return adf_fw_sym_config;
+	case SVC_ASYM:
+		return adf_fw_asym_config;
+	case SVC_ASYM_DC:
+		return adf_fw_asym_dc_config;
+	case SVC_SYM_DC:
+		return adf_fw_sym_dc_config;
+	default:
+		return NULL;
+	}
+}
+
+static int get_rp_group(struct adf_accel_dev *accel_dev, u32 ae_mask)
+{
+	switch (ae_mask) {
+	case ADF_AE_GROUP_0:
+		return RP_GROUP_0;
+	case ADF_AE_GROUP_1:
+		return RP_GROUP_1;
+	default:
+		dev_dbg(&GET_DEV(accel_dev), "ae_mask not recognized");
+		return -EINVAL;
+	}
+}
+
+static u32 get_ena_thd_mask(struct adf_accel_dev *accel_dev, u32 obj_num)
+{
+	const struct adf_fw_config *fw_config;
+
+	if (obj_num >= uof_get_num_objs(accel_dev))
+		return ADF_GEN4_ENA_THD_MASK_ERROR;
+
+	fw_config = get_fw_config(accel_dev);
+	if (!fw_config)
+		return ADF_GEN4_ENA_THD_MASK_ERROR;
+
+	switch (fw_config[obj_num].obj) {
+	case ADF_FW_ASYM_OBJ:
+		return ENA_THD_MASK_ASYM;
+	case ADF_FW_SYM_OBJ:
+		return ENA_THD_MASK_SYM;
+	case ADF_FW_DC_OBJ:
+		return ENA_THD_MASK_DC;
+	default:
+		return ADF_GEN4_ENA_THD_MASK_ERROR;
+	}
+}
+
+static u32 get_ena_thd_mask_401xx(struct adf_accel_dev *accel_dev, u32 obj_num)
+{
+	const struct adf_fw_config *fw_config;
+
+	if (obj_num >= uof_get_num_objs(accel_dev))
+		return ADF_GEN4_ENA_THD_MASK_ERROR;
+
+	fw_config = get_fw_config(accel_dev);
+	if (!fw_config)
+		return ADF_GEN4_ENA_THD_MASK_ERROR;
+
+	switch (fw_config[obj_num].obj) {
+	case ADF_FW_ASYM_OBJ:
+		return ENA_THD_MASK_ASYM_401XX;
+	case ADF_FW_SYM_OBJ:
+		return ENA_THD_MASK_SYM;
+	case ADF_FW_DC_OBJ:
+		return ENA_THD_MASK_DC;
+	default:
+		return ADF_GEN4_ENA_THD_MASK_ERROR;
+	}
+}
+
+static const char *uof_get_name(struct adf_accel_dev *accel_dev, u32 obj_num,
+				const char * const fw_objs[], int num_objs)
+{
+	const struct adf_fw_config *fw_config;
+	int id;
+
+	fw_config = get_fw_config(accel_dev);
+	if (fw_config)
+		id = fw_config[obj_num].obj;
+	else
+		id = -EINVAL;
+
+	if (id < 0 || id >= num_objs)
+		return NULL;
+
+	return fw_objs[id];
+}
+
+static const char *uof_get_name_4xxx(struct adf_accel_dev *accel_dev, u32 obj_num)
+{
+	int num_fw_objs = ARRAY_SIZE(adf_4xxx_fw_objs);
+
+	return uof_get_name(accel_dev, obj_num, adf_4xxx_fw_objs, num_fw_objs);
+}
+
+static const char *uof_get_name_402xx(struct adf_accel_dev *accel_dev, u32 obj_num)
+{
+	int num_fw_objs = ARRAY_SIZE(adf_402xx_fw_objs);
+
+	return uof_get_name(accel_dev, obj_num, adf_402xx_fw_objs, num_fw_objs);
+}
+
+static int uof_get_obj_type(struct adf_accel_dev *accel_dev, u32 obj_num)
+{
+	const struct adf_fw_config *fw_config;
+
+	if (obj_num >= uof_get_num_objs(accel_dev))
+		return -EINVAL;
+
+	fw_config = get_fw_config(accel_dev);
+	if (!fw_config)
+		return -EINVAL;
+
+	return fw_config[obj_num].obj;
+}
+
+static u32 uof_get_ae_mask(struct adf_accel_dev *accel_dev, u32 obj_num)
+{
+	const struct adf_fw_config *fw_config;
+
+	fw_config = get_fw_config(accel_dev);
+	if (!fw_config)
+		return 0;
+
+	return fw_config[obj_num].ae_mask;
+}
+
+static void adf_gen4_set_err_mask(struct adf_dev_err_mask *dev_err_mask)
+{
+	dev_err_mask->cppagentcmdpar_mask = ADF_4XXX_HICPPAGENTCMDPARERRLOG_MASK;
+	dev_err_mask->parerr_ath_cph_mask = ADF_4XXX_PARITYERRORMASK_ATH_CPH_MASK;
+	dev_err_mask->parerr_cpr_xlt_mask = ADF_4XXX_PARITYERRORMASK_CPR_XLT_MASK;
+	dev_err_mask->parerr_dcpr_ucs_mask = ADF_4XXX_PARITYERRORMASK_DCPR_UCS_MASK;
+	dev_err_mask->parerr_pke_mask = ADF_4XXX_PARITYERRORMASK_PKE_MASK;
+	dev_err_mask->ssmfeatren_mask = ADF_4XXX_SSMFEATREN_MASK;
+}
+
+void adf_init_hw_data_4xxx(struct adf_hw_device_data *hw_data, u32 dev_id)
+{
+	hw_data->dev_class = &adf_4xxx_class;
+	hw_data->instance_id = adf_4xxx_class.instances++;
+	hw_data->num_banks = ADF_GEN4_ETR_MAX_BANKS;
+	hw_data->num_banks_per_vf = ADF_GEN4_NUM_BANKS_PER_VF;
+	hw_data->num_rings_per_bank = ADF_GEN4_NUM_RINGS_PER_BANK;
+	hw_data->num_accel = ADF_GEN4_MAX_ACCELERATORS;
+	hw_data->num_engines = ADF_4XXX_MAX_ACCELENGINES;
+	hw_data->num_logical_accel = 1;
+	hw_data->tx_rx_gap = ADF_GEN4_RX_RINGS_OFFSET;
+	hw_data->tx_rings_mask = ADF_GEN4_TX_RINGS_MASK;
+	hw_data->ring_to_svc_map = ADF_GEN4_DEFAULT_RING_TO_SRV_MAP;
+	hw_data->alloc_irq = adf_isr_resource_alloc;
+	hw_data->free_irq = adf_isr_resource_free;
+	hw_data->enable_error_correction = adf_gen4_enable_error_correction;
+	hw_data->get_accel_mask = adf_gen4_get_accel_mask;
+	hw_data->get_ae_mask = get_ae_mask;
+	hw_data->get_num_accels = adf_gen4_get_num_accels;
+	hw_data->get_num_aes = adf_gen4_get_num_aes;
+	hw_data->get_sram_bar_id = adf_gen4_get_sram_bar_id;
+	hw_data->get_etr_bar_id = adf_gen4_get_etr_bar_id;
+	hw_data->get_misc_bar_id = adf_gen4_get_misc_bar_id;
+	hw_data->get_arb_info = adf_gen4_get_arb_info;
+	hw_data->get_admin_info = adf_gen4_get_admin_info;
+	hw_data->get_accel_cap = get_accel_cap;
+	hw_data->get_sku = adf_gen4_get_sku;
+	hw_data->init_admin_comms = adf_init_admin_comms;
+	hw_data->exit_admin_comms = adf_exit_admin_comms;
+	hw_data->send_admin_init = adf_send_admin_init;
+	hw_data->init_arb = adf_init_arb;
+	hw_data->exit_arb = adf_exit_arb;
+	hw_data->get_arb_mapping = adf_get_arbiter_mapping;
+	hw_data->enable_ints = adf_gen4_enable_ints;
+	hw_data->init_device = adf_gen4_init_device;
+	hw_data->reset_device = adf_reset_flr;
+	hw_data->admin_ae_mask = ADF_4XXX_ADMIN_AE_MASK;
+	hw_data->num_rps = ADF_GEN4_MAX_RPS;
+	switch (dev_id) {
+	case PCI_DEVICE_ID_INTEL_QAT_402XX:
+		hw_data->fw_name = ADF_402XX_FW;
+		hw_data->fw_mmp_name = ADF_402XX_MMP;
+		hw_data->uof_get_name = uof_get_name_402xx;
+		hw_data->get_ena_thd_mask = get_ena_thd_mask;
+		break;
+	case PCI_DEVICE_ID_INTEL_QAT_401XX:
+		hw_data->fw_name = ADF_4XXX_FW;
+		hw_data->fw_mmp_name = ADF_4XXX_MMP;
+		hw_data->uof_get_name = uof_get_name_4xxx;
+		hw_data->get_ena_thd_mask = get_ena_thd_mask_401xx;
+		break;
+	default:
+		hw_data->fw_name = ADF_4XXX_FW;
+		hw_data->fw_mmp_name = ADF_4XXX_MMP;
+		hw_data->uof_get_name = uof_get_name_4xxx;
+		hw_data->get_ena_thd_mask = get_ena_thd_mask;
+		break;
+	}
+	hw_data->uof_get_num_objs = uof_get_num_objs;
+	hw_data->uof_get_obj_type = uof_get_obj_type;
+	hw_data->uof_get_ae_mask = uof_get_ae_mask;
+	hw_data->get_rp_group = get_rp_group;
+	hw_data->set_msix_rttable = adf_gen4_set_msix_default_rttable;
+	hw_data->set_ssm_wdtimer = adf_gen4_set_ssm_wdtimer;
+	hw_data->get_ring_to_svc_map = adf_gen4_get_ring_to_svc_map;
+	hw_data->disable_iov = adf_disable_sriov;
+	hw_data->ring_pair_reset = adf_gen4_ring_pair_reset;
+	hw_data->bank_state_save = adf_bank_state_save;
+	hw_data->bank_state_restore = adf_bank_state_restore;
+	hw_data->enable_pm = adf_gen4_enable_pm;
+	hw_data->handle_pm_interrupt = adf_gen4_handle_pm_interrupt;
+	hw_data->dev_config = adf_gen4_dev_config;
+	hw_data->start_timer = adf_timer_start;
+	hw_data->stop_timer = adf_timer_stop;
+	hw_data->get_hb_clock = adf_gen4_get_heartbeat_clock;
+	hw_data->num_hb_ctrs = ADF_NUM_HB_CNT_PER_AE;
+	hw_data->clock_frequency = ADF_4XXX_AE_FREQ;
+	hw_data->services_supported = adf_gen4_services_supported;
+	hw_data->get_svc_slice_cnt = adf_gen4_get_svc_slice_cnt;
+	hw_data->accel_capabilities_ext_mask = ADF_ACCEL_CAPABILITIES_EXT_ZSTD_LZ4S;
+
+	adf_gen4_set_err_mask(&hw_data->dev_err_mask);
+	adf_gen4_init_hw_csr_ops(&hw_data->csr_ops);
+	adf_gen4_init_pf_pfvf_ops(&hw_data->pfvf_ops);
+	adf_gen4_init_dc_ops(&hw_data->dc_ops);
+	adf_gen4_init_ras_ops(&hw_data->ras_ops);
+	adf_gen4_init_tl_data(&hw_data->tl_data);
+	adf_gen4_init_vf_mig_ops(&hw_data->vfmig_ops);
+	adf_init_rl_data(&hw_data->rl_data);
+}
+
+void adf_clean_hw_data_4xxx(struct adf_hw_device_data *hw_data)
+{
+	hw_data->dev_class->instances--;
+}

linux-7.2.3/drivers/crypto/intel/qat/qat_4xxx/adf_4xxx_hw_data.h

@@ -0,0 +1,62 @@
+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
+/* Copyright(c) 2014 - 2020 Intel Corporation */
+#ifndef ADF_4XXX_HW_DATA_H_
+#define ADF_4XXX_HW_DATA_H_
+
+#include <linux/units.h>
+#include <adf_accel_devices.h>
+
+#define ADF_4XXX_MAX_ACCELENGINES	9
+
+#define ADF_4XXX_ACCELENGINES_MASK	(0x1FF)
+#define ADF_4XXX_ADMIN_AE_MASK		(0x100)
+
+#define ADF_4XXX_HICPPAGENTCMDPARERRLOG_MASK	0x1F
+#define ADF_4XXX_PARITYERRORMASK_ATH_CPH_MASK	0xF000F
+#define ADF_4XXX_PARITYERRORMASK_CPR_XLT_MASK	0x10001
+#define ADF_4XXX_PARITYERRORMASK_DCPR_UCS_MASK	0x30007
+#define ADF_4XXX_PARITYERRORMASK_PKE_MASK	0x3F
+
+/*
+ * SSMFEATREN bit mask
+ * BIT(4) - enables parity detection on CPP
+ * BIT(12) - enables the logging of push/pull data errors
+ *	     in pperr register
+ * BIT(16) - BIT(23) - enable parity detection on SPPs
+ */
+#define ADF_4XXX_SSMFEATREN_MASK \
+	(BIT(4) | BIT(12) | BIT(16) | BIT(17) | BIT(18) | \
+	 BIT(19) | BIT(20) | BIT(21) | BIT(22) | BIT(23))
+
+/* Firmware Binaries */
+#define ADF_4XXX_FW		"qat_4xxx.bin"
+#define ADF_4XXX_MMP		"qat_4xxx_mmp.bin"
+#define ADF_4XXX_SYM_OBJ	"qat_4xxx_sym.bin"
+#define ADF_4XXX_DC_OBJ		"qat_4xxx_dc.bin"
+#define ADF_4XXX_ASYM_OBJ	"qat_4xxx_asym.bin"
+#define ADF_4XXX_ADMIN_OBJ	"qat_4xxx_admin.bin"
+/* Firmware for 402XXX */
+#define ADF_402XX_FW		"qat_402xx.bin"
+#define ADF_402XX_MMP		"qat_402xx_mmp.bin"
+#define ADF_402XX_SYM_OBJ	"qat_402xx_sym.bin"
+#define ADF_402XX_DC_OBJ	"qat_402xx_dc.bin"
+#define ADF_402XX_ASYM_OBJ	"qat_402xx_asym.bin"
+#define ADF_402XX_ADMIN_OBJ	"qat_402xx_admin.bin"
+
+/* RL constants */
+#define ADF_4XXX_RL_PCIE_SCALE_FACTOR_DIV	100
+#define ADF_4XXX_RL_PCIE_SCALE_FACTOR_MUL	102
+#define ADF_4XXX_RL_DCPR_CORRECTION		1
+#define ADF_4XXX_RL_SCANS_PER_SEC		954
+#define ADF_4XXX_RL_MAX_TP_ASYM			173750UL
+#define ADF_4XXX_RL_MAX_TP_SYM			95000UL
+#define ADF_4XXX_RL_MAX_TP_DC			45000UL
+#define ADF_4XXX_RL_SLICE_REF			1000UL
+
+/* Clocks frequency */
+#define ADF_4XXX_AE_FREQ		(1000 * HZ_PER_MHZ)
+
+void adf_init_hw_data_4xxx(struct adf_hw_device_data *hw_data, u32 dev_id);
+void adf_clean_hw_data_4xxx(struct adf_hw_device_data *hw_data);
+
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_4xxx/adf_drv.c

@@ -0,0 +1,216 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2020 Intel Corporation */
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+
+#include <adf_accel_devices.h>
+#include <adf_cfg.h>
+#include <adf_common_drv.h>
+#include <adf_dbgfs.h>
+#include <adf_gen4_config.h>
+#include <adf_gen4_hw_data.h>
+
+#include "adf_4xxx_hw_data.h"
+
+static const struct pci_device_id adf_pci_tbl[] = {
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_QAT_4XXX) },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_QAT_401XX) },
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_QAT_402XX) },
+	{ }
+};
+MODULE_DEVICE_TABLE(pci, adf_pci_tbl);
+
+static void adf_cleanup_accel(struct adf_accel_dev *accel_dev)
+{
+	if (accel_dev->hw_device) {
+		adf_clean_hw_data_4xxx(accel_dev->hw_device);
+		accel_dev->hw_device = NULL;
+	}
+	adf_dbgfs_exit(accel_dev);
+	adf_cfg_dev_remove(accel_dev);
+	adf_devmgr_rm_dev(accel_dev, NULL);
+}
+
+static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	struct adf_accel_dev *accel_dev;
+	struct adf_accel_pci *accel_pci_dev;
+	struct adf_hw_device_data *hw_data;
+	unsigned int i, bar_nr;
+	unsigned long bar_mask;
+	struct adf_bar *bar;
+	int ret;
+
+	if (num_possible_nodes() > 1 && dev_to_node(&pdev->dev) < 0) {
+		/*
+		 * If the accelerator is connected to a node with no memory
+		 * there is no point in using the accelerator since the remote
+		 * memory transaction will be very slow.
+		 */
+		dev_err(&pdev->dev, "Invalid NUMA configuration.\n");
+		return -EINVAL;
+	}
+
+	accel_dev = devm_kzalloc(&pdev->dev, sizeof(*accel_dev), GFP_KERNEL);
+	if (!accel_dev)
+		return -ENOMEM;
+
+	INIT_LIST_HEAD(&accel_dev->crypto_list);
+	accel_pci_dev = &accel_dev->accel_pci_dev;
+	accel_pci_dev->pci_dev = pdev;
+
+	/*
+	 * Add accel device to accel table
+	 * This should be called before adf_cleanup_accel is called
+	 */
+	if (adf_devmgr_add_dev(accel_dev, NULL)) {
+		dev_err(&pdev->dev, "Failed to add new accelerator device.\n");
+		return -EFAULT;
+	}
+
+	accel_dev->owner = THIS_MODULE;
+	/* Allocate and initialise device hardware meta-data structure */
+	hw_data = devm_kzalloc(&pdev->dev, sizeof(*hw_data), GFP_KERNEL);
+	if (!hw_data) {
+		ret = -ENOMEM;
+		goto out_err;
+	}
+
+	accel_dev->hw_device = hw_data;
+	adf_init_hw_data_4xxx(accel_dev->hw_device, ent->device);
+
+	pci_read_config_byte(pdev, PCI_REVISION_ID, &accel_pci_dev->revid);
+	pci_read_config_dword(pdev, ADF_GEN4_FUSECTL4_OFFSET, &hw_data->fuses[ADF_FUSECTL4]);
+
+	/* Get Accelerators and Accelerators Engines masks */
+	hw_data->accel_mask = hw_data->get_accel_mask(hw_data);
+	hw_data->ae_mask = hw_data->get_ae_mask(hw_data);
+	accel_pci_dev->sku = hw_data->get_sku(hw_data);
+	/* If the device has no acceleration engines then ignore it */
+	if (!hw_data->accel_mask || !hw_data->ae_mask ||
+	    (~hw_data->ae_mask & 0x01)) {
+		dev_err(&pdev->dev, "No acceleration units found.\n");
+		ret = -EFAULT;
+		goto out_err;
+	}
+
+	/* Create device configuration table */
+	ret = adf_cfg_dev_add(accel_dev);
+	if (ret)
+		goto out_err;
+
+	/* Enable PCI device */
+	ret = pcim_enable_device(pdev);
+	if (ret) {
+		pci_err(pdev, "Can't enable PCI device.\n");
+		goto out_err;
+	}
+
+	/* Set DMA identifier */
+	ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
+	if (ret) {
+		dev_err(&pdev->dev, "No usable DMA configuration.\n");
+		goto out_err;
+	}
+
+	ret = adf_gen4_cfg_dev_init(accel_dev);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to initialize configuration.\n");
+		goto out_err;
+	}
+
+	/* Get accelerator capabilities mask */
+	hw_data->accel_capabilities_mask = hw_data->get_accel_cap(accel_dev);
+	if (!hw_data->accel_capabilities_mask) {
+		dev_err(&pdev->dev, "Failed to get capabilities mask.\n");
+		ret = -EINVAL;
+		goto out_err;
+	}
+
+	/* Find and map all the device's BARS */
+	bar_mask = pci_select_bars(pdev, IORESOURCE_MEM) & ADF_GEN4_BAR_MASK;
+
+	ret = pcim_request_all_regions(pdev, pci_name(pdev));
+	if (ret) {
+		pci_err(pdev, "Failed to request PCI regions.\n");
+		goto out_err;
+	}
+
+	i = 0;
+	for_each_set_bit(bar_nr, &bar_mask, PCI_STD_NUM_BARS) {
+		bar = &accel_pci_dev->pci_bars[i++];
+		bar->virt_addr = pcim_iomap(pdev, bar_nr, 0);
+		if (!bar->virt_addr) {
+			pci_err(pdev, "Failed to ioremap PCI region.\n");
+			ret = -ENOMEM;
+			goto out_err;
+		}
+	}
+
+	if (pci_save_state(pdev)) {
+		pci_err(pdev, "Failed to save pci state.\n");
+		ret = -ENOMEM;
+		goto out_err;
+	}
+
+	accel_dev->ras_errors.enabled = true;
+	adf_dbgfs_init(accel_dev);
+
+	ret = adf_dev_up(accel_dev, true);
+	if (ret)
+		goto out_err_dev_stop;
+
+	ret = adf_sysfs_init(accel_dev);
+	if (ret)
+		goto out_err_dev_stop;
+
+	return ret;
+
+out_err_dev_stop:
+	adf_dev_down(accel_dev);
+out_err:
+	adf_cleanup_accel(accel_dev);
+	return ret;
+}
+
+static void adf_remove(struct pci_dev *pdev)
+{
+	struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev);
+
+	if (!accel_dev) {
+		pr_err("QAT: Driver removal failed\n");
+		return;
+	}
+	adf_dev_down(accel_dev);
+	adf_cleanup_accel(accel_dev);
+}
+
+static void adf_shutdown(struct pci_dev *pdev)
+{
+	struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev);
+
+	adf_dev_down(accel_dev);
+}
+
+static struct pci_driver adf_driver = {
+	.id_table = adf_pci_tbl,
+	.name = ADF_4XXX_DEVICE_NAME,
+	.probe = adf_probe,
+	.remove = adf_remove,
+	.shutdown = adf_shutdown,
+	.sriov_configure = adf_sriov_configure,
+	.err_handler = &adf_err_handler,
+};
+
+module_pci_driver(adf_driver);
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_AUTHOR("Intel");
+MODULE_FIRMWARE(ADF_4XXX_FW);
+MODULE_FIRMWARE(ADF_402XX_FW);
+MODULE_FIRMWARE(ADF_4XXX_MMP);
+MODULE_FIRMWARE(ADF_402XX_MMP);
+MODULE_DESCRIPTION("Intel(R) QuickAssist Technology");
+MODULE_SOFTDEP("pre: crypto-intel_qat");
+MODULE_IMPORT_NS("CRYPTO_QAT");

linux-7.2.3/drivers/crypto/intel/qat/qat_6xxx/Makefile

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_CRYPTO_DEV_QAT_6XXX) += qat_6xxx.o
+qat_6xxx-y := adf_drv.o adf_6xxx_hw_data.o

linux-7.2.3/drivers/crypto/intel/qat/qat_6xxx/adf_6xxx_hw_data.h

@@ -0,0 +1,197 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright(c) 2025 Intel Corporation */
+#ifndef ADF_6XXX_HW_DATA_H_
+#define ADF_6XXX_HW_DATA_H_
+
+#include <linux/bits.h>
+#include <linux/time.h>
+#include <linux/units.h>
+
+#include "adf_accel_devices.h"
+#include "adf_cfg_common.h"
+#include "adf_dc.h"
+
+/* PCIe configuration space */
+#define ADF_GEN6_BAR_MASK		(BIT(0) | BIT(2) | BIT(4))
+#define ADF_GEN6_SRAM_BAR		0
+#define ADF_GEN6_PMISC_BAR		1
+#define ADF_GEN6_ETR_BAR		2
+#define ADF_6XXX_MAX_ACCELENGINES	9
+
+/* Clocks frequency */
+#define ADF_GEN6_COUNTER_FREQ		(100 * HZ_PER_MHZ)
+
+/* Physical function fuses */
+#define ADF_GEN6_FUSECTL0_OFFSET	0x2C8
+#define ADF_GEN6_FUSECTL1_OFFSET	0x2CC
+#define ADF_GEN6_FUSECTL4_OFFSET	0x2D8
+
+/* Accelerators */
+#define ADF_GEN6_ACCELERATORS_MASK	0x1
+#define ADF_GEN6_MAX_ACCELERATORS	1
+
+/* MSI-X interrupt */
+#define ADF_GEN6_SMIAPF_RP_X0_MASK_OFFSET	0x41A040
+#define ADF_GEN6_SMIAPF_RP_X1_MASK_OFFSET	0x41A044
+#define ADF_GEN6_SMIAPF_MASK_OFFSET		0x41A084
+#define ADF_GEN6_MSIX_RTTABLE_OFFSET(i)		(0x409000 + ((i) * 4))
+
+/* Bank and ring configuration */
+#define ADF_GEN6_NUM_RINGS_PER_BANK	2
+#define ADF_GEN6_NUM_BANKS_PER_VF	4
+#define ADF_GEN6_ETR_MAX_BANKS		64
+#define ADF_GEN6_RX_RINGS_OFFSET	1
+#define ADF_GEN6_TX_RINGS_MASK		0x1
+
+/* Arbiter configuration */
+#define ADF_GEN6_ARB_CONFIG			(BIT(31) | BIT(6) | BIT(0))
+#define ADF_GEN6_ARB_OFFSET			0x000
+#define ADF_GEN6_ARB_WRK_2_SER_MAP_OFFSET	0x400
+
+/* Admin interface configuration */
+#define ADF_GEN6_ADMINMSGUR_OFFSET	0x500574
+#define ADF_GEN6_ADMINMSGLR_OFFSET	0x500578
+#define ADF_GEN6_MAILBOX_BASE_OFFSET	0x600970
+
+/* Anti-rollback */
+#define ADF_GEN6_SVNCHECK_CSR_MSG	0x640004
+
+/* Fuse bits */
+#define ADF_GEN6_ANTI_RB_FUSE_BIT	BIT(24)
+#define ADF_GEN6_KPT_FUSE_BIT		BIT(16)
+
+/*
+ * Watchdog timers
+ * Timeout is in cycles. Clock speed may vary across products but this
+ * value should be a few milli-seconds.
+ */
+#define ADF_SSM_WDT_DEFAULT_VALUE	0x7000000ULL
+#define ADF_SSM_WDT_PKE_DEFAULT_VALUE	0x8000000ULL
+#define ADF_SSMWDTATHL_OFFSET		0x5208
+#define ADF_SSMWDTATHH_OFFSET		0x520C
+#define ADF_SSMWDTCNVL_OFFSET		0x5408
+#define ADF_SSMWDTCNVH_OFFSET		0x540C
+#define ADF_SSMWDTWCPL_OFFSET		0x5608
+#define ADF_SSMWDTWCPH_OFFSET		0x560C
+#define ADF_SSMWDTUCSL_OFFSET		0x5808
+#define ADF_SSMWDTUCSH_OFFSET		0x580C
+#define ADF_SSMWDTDCPRL_OFFSET		0x5A08
+#define ADF_SSMWDTDCPRH_OFFSET		0x5A0C
+#define ADF_SSMWDTWATL_OFFSET		0x5C08
+#define ADF_SSMWDTWATH_OFFSET		0x5C0C
+#define ADF_SSMWDTPKEL_OFFSET		0x5E08
+#define ADF_SSMWDTPKEH_OFFSET		0x5E0C
+
+/* Ring reset */
+#define ADF_RPRESET_POLL_TIMEOUT_US	(5 * USEC_PER_SEC)
+#define ADF_RPRESET_POLL_DELAY_US	20
+#define ADF_WQM_CSR_RPRESETCTL_RESET	BIT(0)
+#define ADF_WQM_CSR_RPRESETCTL(bank)	(0x6000 + (bank) * 8)
+#define ADF_WQM_CSR_RPRESETSTS_STATUS	BIT(0)
+#define ADF_WQM_CSR_RPRESETSTS(bank)	(ADF_WQM_CSR_RPRESETCTL(bank) + 4)
+
+/* Controls and sets up the corresponding ring mode of operation */
+#define ADF_GEN6_CSR_RINGMODECTL(bank)		(0x9000 + (bank) * 4)
+
+/* Specifies the traffic class to use for the transactions to/from the ring */
+#define ADF_GEN6_RINGMODECTL_TC_MASK		GENMASK(18, 16)
+#define ADF_GEN6_RINGMODECTL_TC_DEFAULT		0x7
+
+/* Specifies usage of tc for the transactions to/from this ring */
+#define ADF_GEN6_RINGMODECTL_TC_EN_MASK		GENMASK(20, 19)
+
+/*
+ * Use the value programmed in the tc field for request descriptor
+ * and metadata read transactions
+ */
+#define ADF_GEN6_RINGMODECTL_TC_EN_OP1		0x1
+
+/* VC0 Resource Control Register */
+#define ADF_GEN6_PVC0CTL_OFFSET			0x204
+#define ADF_GEN6_PVC0CTL_TCVCMAP_OFFSET		1
+#define ADF_GEN6_PVC0CTL_TCVCMAP_MASK		GENMASK(7, 1)
+#define ADF_GEN6_PVC0CTL_TCVCMAP_DEFAULT	0x3F
+
+/* VC1 Resource Control Register */
+#define ADF_GEN6_PVC1CTL_OFFSET			0x210
+#define ADF_GEN6_PVC1CTL_TCVCMAP_OFFSET		1
+#define ADF_GEN6_PVC1CTL_TCVCMAP_MASK		GENMASK(7, 1)
+#define ADF_GEN6_PVC1CTL_TCVCMAP_DEFAULT	0x40
+#define ADF_GEN6_PVC1CTL_VCEN_OFFSET		31
+#define ADF_GEN6_PVC1CTL_VCEN_MASK		BIT(31)
+/* RW bit: 0x1 - enables a Virtual Channel, 0x0 - disables */
+#define ADF_GEN6_PVC1CTL_VCEN_ON		0x1
+
+/* Error source mask registers */
+#define ADF_GEN6_ERRMSK0	0x41A210
+#define ADF_GEN6_ERRMSK1	0x41A214
+#define ADF_GEN6_ERRMSK2	0x41A218
+#define ADF_GEN6_ERRMSK3	0x41A21C
+
+#define ADF_GEN6_VFLNOTIFY	BIT(7)
+
+/* Number of heartbeat counter pairs */
+#define ADF_NUM_HB_CNT_PER_AE ADF_NUM_THREADS_PER_AE
+
+/* Rate Limiting */
+#define ADF_GEN6_RL_R2L_OFFSET			0x508000
+#define ADF_GEN6_RL_L2C_OFFSET			0x509000
+#define ADF_GEN6_RL_C2S_OFFSET			0x508818
+#define ADF_GEN6_RL_TOKEN_PCIEIN_BUCKET_OFFSET	0x508800
+#define ADF_GEN6_RL_TOKEN_PCIEOUT_BUCKET_OFFSET	0x508804
+
+/* Physical function fuses */
+#define ADF_6XXX_ACCELENGINES_MASK	GENMASK(8, 0)
+#define ADF_6XXX_ADMIN_AE_MASK		GENMASK(8, 8)
+
+/* Firmware binaries */
+#define ADF_6XXX_FW		"qat_6xxx.bin"
+#define ADF_6XXX_MMP		"qat_6xxx_mmp.bin"
+#define ADF_6XXX_CY_OBJ		"qat_6xxx_cy.bin"
+#define ADF_6XXX_DC_OBJ		"qat_6xxx_dc.bin"
+#define ADF_6XXX_ADMIN_OBJ	"qat_6xxx_admin.bin"
+#define ADF_6XXX_WCY_OBJ	"qat_6xxx_wcy.bin"
+
+/* RL constants */
+#define ADF_6XXX_RL_PCIE_SCALE_FACTOR_DIV	100
+#define ADF_6XXX_RL_PCIE_SCALE_FACTOR_MUL	102
+#define ADF_6XXX_RL_SCANS_PER_SEC		954
+#define ADF_6XXX_RL_MAX_TP_ASYM			173750UL
+#define ADF_6XXX_RL_MAX_TP_SYM			95000UL
+#define ADF_6XXX_RL_MAX_TP_DC			40000UL
+#define ADF_6XXX_RL_MAX_TP_DECOMP		40000UL
+#define ADF_6XXX_RL_SLICE_REF			1000UL
+
+/* Clock frequency */
+#define ADF_6XXX_AE_FREQ			(1000 * HZ_PER_MHZ)
+
+/* KPT */
+#define ADF_6XXX_KPT_MAX_SWK_COUNT_PER_FNPASID	128
+#define ADF_6XXX_KPT_MAX_SWK_TTL		31536000
+#define ADF_6XXX_KPT_DEFAULT_SWK_SHARED_MODE	1
+#define ADF_6XXX_KPT_DEFAULT_SWK_TTL		0
+#define ADF_6XXX_KPT_DEFAULT_SWK_CNT_PER_FN	0
+#define ADF_6XXX_KPT_DEFAULT_SWK_CNT_PER_PASID	0
+
+enum icp_qat_gen6_slice_mask {
+	ICP_ACCEL_GEN6_MASK_UCS_SLICE = BIT(0),
+	ICP_ACCEL_GEN6_MASK_AUTH_SLICE = BIT(1),
+	ICP_ACCEL_GEN6_MASK_PKE_SLICE = BIT(2),
+	ICP_ACCEL_GEN6_MASK_CPR_SLICE = BIT(3),
+	ICP_ACCEL_GEN6_MASK_DCPRZ_SLICE = BIT(4),
+	ICP_ACCEL_GEN6_MASK_EIA3_SLICE = BIT(5),
+	ICP_ACCEL_GEN6_MASK_WCP_WAT_SLICE = BIT(6),
+	ICP_ACCEL_GEN6_MASK_ZUC_256_SLICE = BIT(7),
+	ICP_ACCEL_GEN6_MASK_5G_SLICE = BIT(8),
+};
+
+/* Return true if the device is a wireless crypto (WCY) SKU */
+static inline bool adf_6xxx_is_wcy(struct adf_hw_device_data *hw_data)
+{
+	return !(hw_data->fuses[ADF_FUSECTL1] & ICP_ACCEL_GEN6_MASK_WCP_WAT_SLICE);
+}
+
+void adf_init_hw_data_6xxx(struct adf_hw_device_data *hw_data);
+void adf_clean_hw_data_6xxx(struct adf_hw_device_data *hw_data);
+
+#endif /* ADF_6XXX_HW_DATA_H_ */

linux-7.2.3/drivers/crypto/intel/qat/qat_6xxx/adf_drv.c

@@ -0,0 +1,259 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2025 Intel Corporation */
+#include <linux/array_size.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/errno.h>
+#include <linux/list.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/types.h>
+
+#include <adf_accel_devices.h>
+#include <adf_cfg.h>
+#include <adf_common_drv.h>
+#include <adf_dbgfs.h>
+#include <adf_sysfs_kpt.h>
+
+#include "adf_gen6_shared.h"
+#include "adf_6xxx_hw_data.h"
+#include "adf_heartbeat.h"
+
+static int bar_map[] = {
+	0,	/* SRAM */
+	2,	/* PMISC */
+	4,	/* ETR */
+};
+
+static void adf_device_down(void *accel_dev)
+{
+	adf_dev_down(accel_dev);
+}
+
+static void adf_dbgfs_cleanup(void *accel_dev)
+{
+	adf_dbgfs_exit(accel_dev);
+}
+
+static void adf_cfg_device_remove(void *accel_dev)
+{
+	adf_cfg_dev_remove(accel_dev);
+}
+
+static void adf_cleanup_hw_data(void *accel_dev)
+{
+	struct adf_accel_dev *accel_device = accel_dev;
+
+	if (accel_device->hw_device) {
+		adf_clean_hw_data_6xxx(accel_device->hw_device);
+		accel_device->hw_device = NULL;
+	}
+}
+
+static void adf_devmgr_remove(void *accel_dev)
+{
+	adf_devmgr_rm_dev(accel_dev, NULL);
+}
+
+static int adf_gen6_cfg_dev_init(struct adf_accel_dev *accel_dev)
+{
+	const char *config;
+	int ret;
+
+	/*
+	 * Wireless SKU - symmetric crypto service only
+	 * Non-wireless SKU - crypto service for even devices and compression for odd devices
+	 */
+	if (adf_6xxx_is_wcy(GET_HW_DATA(accel_dev)))
+		config = ADF_CFG_SYM;
+	else
+		config = accel_dev->accel_id % 2 ? ADF_CFG_DC : ADF_CFG_CY;
+
+	ret = adf_cfg_section_add(accel_dev, ADF_GENERAL_SEC);
+	if (ret)
+		return ret;
+
+	ret = adf_cfg_add_key_value_param(accel_dev, ADF_GENERAL_SEC,
+					  ADF_SERVICES_ENABLED, config,
+					  ADF_STR);
+	if (ret)
+		return ret;
+
+	adf_heartbeat_save_cfg_param(accel_dev, ADF_CFG_HB_TIMER_MIN_MS);
+
+	return 0;
+}
+
+static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	struct adf_accel_pci *accel_pci_dev;
+	struct adf_hw_device_data *hw_data;
+	struct device *dev = &pdev->dev;
+	struct adf_accel_dev *accel_dev;
+	struct adf_bar *bar;
+	unsigned int i;
+	int ret;
+
+	if (num_possible_nodes() > 1 && dev_to_node(dev) < 0) {
+		/*
+		 * If the accelerator is connected to a node with no memory
+		 * there is no point in using the accelerator since the remote
+		 * memory transaction will be very slow.
+		 */
+		return dev_err_probe(dev, -EINVAL, "Invalid NUMA configuration.\n");
+	}
+
+	accel_dev = devm_kzalloc(dev, sizeof(*accel_dev), GFP_KERNEL);
+	if (!accel_dev)
+		return -ENOMEM;
+
+	INIT_LIST_HEAD(&accel_dev->crypto_list);
+	INIT_LIST_HEAD(&accel_dev->list);
+	accel_pci_dev = &accel_dev->accel_pci_dev;
+	accel_pci_dev->pci_dev = pdev;
+	accel_dev->owner = THIS_MODULE;
+
+	hw_data = devm_kzalloc(dev, sizeof(*hw_data), GFP_KERNEL);
+	if (!hw_data)
+		return -ENOMEM;
+
+	pci_read_config_byte(pdev, PCI_REVISION_ID, &accel_pci_dev->revid);
+	pci_read_config_dword(pdev, ADF_GEN6_FUSECTL4_OFFSET, &hw_data->fuses[ADF_FUSECTL4]);
+	pci_read_config_dword(pdev, ADF_GEN6_FUSECTL0_OFFSET, &hw_data->fuses[ADF_FUSECTL0]);
+	pci_read_config_dword(pdev, ADF_GEN6_FUSECTL1_OFFSET, &hw_data->fuses[ADF_FUSECTL1]);
+
+	/* Enable PCI device */
+	ret = pcim_enable_device(pdev);
+	if (ret)
+		return dev_err_probe(dev, ret, "Cannot enable PCI device.\n");
+
+	ret = adf_devmgr_add_dev(accel_dev, NULL);
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to add new accelerator device.\n");
+
+	ret = devm_add_action_or_reset(dev, adf_devmgr_remove, accel_dev);
+	if (ret)
+		return ret;
+
+	accel_dev->hw_device = hw_data;
+	adf_init_hw_data_6xxx(accel_dev->hw_device);
+
+	ret = devm_add_action_or_reset(dev, adf_cleanup_hw_data, accel_dev);
+	if (ret)
+		return ret;
+
+	/* Get Accelerators and Accelerator Engine masks */
+	hw_data->accel_mask = hw_data->get_accel_mask(hw_data);
+	hw_data->ae_mask = hw_data->get_ae_mask(hw_data);
+	accel_pci_dev->sku = hw_data->get_sku(hw_data);
+
+	/* If the device has no acceleration engines then ignore it */
+	if (!hw_data->accel_mask || !hw_data->ae_mask ||
+	    (~hw_data->ae_mask & ADF_GEN6_ACCELERATORS_MASK)) {
+		ret = -EFAULT;
+		return dev_err_probe(dev, ret, "No acceleration units were found.\n");
+	}
+
+	/* Create device configuration table */
+	ret = adf_cfg_dev_add(accel_dev);
+	if (ret)
+		return ret;
+
+	ret = devm_add_action_or_reset(dev, adf_cfg_device_remove, accel_dev);
+	if (ret)
+		return ret;
+
+	/* Set DMA identifier */
+	ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
+	if (ret)
+		return dev_err_probe(dev, ret, "No usable DMA configuration.\n");
+
+	ret = adf_gen6_cfg_dev_init(accel_dev);
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to initialize configuration.\n");
+
+	/* Get accelerator capability mask */
+	hw_data->accel_capabilities_mask = hw_data->get_accel_cap(accel_dev);
+	if (!hw_data->accel_capabilities_mask) {
+		ret = -EINVAL;
+		return dev_err_probe(dev, ret, "Failed to get capabilities mask.\n");
+	}
+
+	for (i = 0; i < ARRAY_SIZE(bar_map); i++) {
+		bar = &accel_pci_dev->pci_bars[i];
+
+		/* Map 64-bit PCIe BAR */
+		bar->virt_addr = pcim_iomap_region(pdev, bar_map[i], pci_name(pdev));
+		if (IS_ERR(bar->virt_addr)) {
+			ret = PTR_ERR(bar->virt_addr);
+			return dev_err_probe(dev, ret, "Failed to ioremap PCI region.\n");
+		}
+	}
+
+	/*
+	 * The PCI config space is saved at this point and will be restored
+	 * after a Function Level Reset (FLR) as the FLR does not completely
+	 * restore it.
+	 */
+	ret = pci_save_state(pdev);
+	if (ret)
+		return dev_err_probe(dev, ret, "Failed to save pci state.\n");
+
+	accel_dev->ras_errors.enabled = true;
+
+	adf_dbgfs_init(accel_dev);
+
+	ret = devm_add_action_or_reset(dev, adf_dbgfs_cleanup, accel_dev);
+	if (ret)
+		return ret;
+
+	ret = adf_dev_up(accel_dev, true);
+	if (ret) {
+		adf_dev_down(accel_dev);
+		return ret;
+	}
+
+	ret = devm_add_action_or_reset(dev, adf_device_down, accel_dev);
+	if (ret)
+		return ret;
+
+	ret = adf_sysfs_init(accel_dev);
+	if (ret)
+		return ret;
+
+	if (!(hw_data->fuses[ADF_FUSECTL0] & ADF_GEN6_KPT_FUSE_BIT))
+		ret = adf_sysfs_init_kpt(accel_dev);
+
+	return ret;
+}
+
+static void adf_shutdown(struct pci_dev *pdev)
+{
+	struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev);
+
+	adf_dev_down(accel_dev);
+}
+
+static const struct pci_device_id adf_pci_tbl[] = {
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_QAT_6XXX) },
+	{ }
+};
+MODULE_DEVICE_TABLE(pci, adf_pci_tbl);
+
+static struct pci_driver adf_driver = {
+	.id_table = adf_pci_tbl,
+	.name = ADF_6XXX_DEVICE_NAME,
+	.probe = adf_probe,
+	.shutdown = adf_shutdown,
+	.sriov_configure = adf_sriov_configure,
+	.err_handler = &adf_err_handler,
+};
+module_pci_driver(adf_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Intel");
+MODULE_FIRMWARE(ADF_6XXX_FW);
+MODULE_FIRMWARE(ADF_6XXX_MMP);
+MODULE_DESCRIPTION("Intel(R) QuickAssist Technology for GEN6 Devices");
+MODULE_SOFTDEP("pre: crypto-intel_qat");
+MODULE_IMPORT_NS("CRYPTO_QAT");

linux-7.2.3/drivers/crypto/intel/qat/qat_c3xxx/Makefile

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_CRYPTO_DEV_QAT_C3XXX) += qat_c3xxx.o
+qat_c3xxx-y := adf_drv.o adf_c3xxx_hw_data.o

linux-7.2.3/drivers/crypto/intel/qat/qat_c3xxx/adf_c3xxx_hw_data.c

@@ -0,0 +1,167 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2014 - 2021 Intel Corporation */
+#include <adf_accel_devices.h>
+#include <adf_admin.h>
+#include <adf_clock.h>
+#include <adf_common_drv.h>
+#include <adf_gen2_config.h>
+#include <adf_gen2_hw_csr_data.h>
+#include <adf_gen2_hw_data.h>
+#include <adf_gen2_pfvf.h>
+#include "adf_c3xxx_hw_data.h"
+#include "adf_heartbeat.h"
+#include "icp_qat_hw.h"
+
+/* Worker thread to service arbiter mappings */
+static const u32 thrd_to_arb_map[ADF_C3XXX_MAX_ACCELENGINES] = {
+	0x12222AAA, 0x11222AAA, 0x12222AAA,
+	0x11222AAA, 0x12222AAA, 0x11222AAA
+};
+
+static struct adf_hw_device_class c3xxx_class = {
+	.name = ADF_C3XXX_DEVICE_NAME,
+	.type = DEV_C3XXX,
+};
+
+static u32 get_accel_mask(struct adf_hw_device_data *self)
+{
+	u32 fuses = self->fuses[ADF_FUSECTL0];
+	u32 straps = self->straps;
+	u32 accel;
+
+	accel = ~(fuses | straps) >> ADF_C3XXX_ACCELERATORS_REG_OFFSET;
+	accel &= ADF_C3XXX_ACCELERATORS_MASK;
+
+	return accel;
+}
+
+static u32 get_ae_mask(struct adf_hw_device_data *self)
+{
+	u32 fuses = self->fuses[ADF_FUSECTL0];
+	u32 straps = self->straps;
+	unsigned long disabled;
+	u32 ae_disable;
+	int accel;
+
+	/* If an accel is disabled, then disable the corresponding two AEs */
+	disabled = ~get_accel_mask(self) & ADF_C3XXX_ACCELERATORS_MASK;
+	ae_disable = BIT(1) | BIT(0);
+	for_each_set_bit(accel, &disabled, ADF_C3XXX_MAX_ACCELERATORS)
+		straps |= ae_disable << (accel << 1);
+
+	return ~(fuses | straps) & ADF_C3XXX_ACCELENGINES_MASK;
+}
+
+static u32 get_ts_clock(struct adf_hw_device_data *self)
+{
+	/*
+	 * Timestamp update interval is 16 AE clock ticks for c3xxx.
+	 */
+	return self->clock_frequency / 16;
+}
+
+static int measure_clock(struct adf_accel_dev *accel_dev)
+{
+	u32 frequency;
+	int ret;
+
+	ret = adf_dev_measure_clock(accel_dev, &frequency, ADF_C3XXX_MIN_AE_FREQ,
+				    ADF_C3XXX_MAX_AE_FREQ);
+	if (ret)
+		return ret;
+
+	accel_dev->hw_device->clock_frequency = frequency;
+	return 0;
+}
+
+static u32 get_misc_bar_id(struct adf_hw_device_data *self)
+{
+	return ADF_C3XXX_PMISC_BAR;
+}
+
+static u32 get_etr_bar_id(struct adf_hw_device_data *self)
+{
+	return ADF_C3XXX_ETR_BAR;
+}
+
+static u32 get_sram_bar_id(struct adf_hw_device_data *self)
+{
+	return ADF_C3XXX_SRAM_BAR;
+}
+
+static enum dev_sku_info get_sku(struct adf_hw_device_data *self)
+{
+	int aes = self->get_num_aes(self);
+
+	if (aes == 6)
+		return DEV_SKU_4;
+
+	return DEV_SKU_UNKNOWN;
+}
+
+static const u32 *adf_get_arbiter_mapping(struct adf_accel_dev *accel_dev)
+{
+	return thrd_to_arb_map;
+}
+
+static void configure_iov_threads(struct adf_accel_dev *accel_dev, bool enable)
+{
+	adf_gen2_cfg_iov_thds(accel_dev, enable,
+			      ADF_C3XXX_AE2FUNC_MAP_GRP_A_NUM_REGS,
+			      ADF_C3XXX_AE2FUNC_MAP_GRP_B_NUM_REGS);
+}
+
+void adf_init_hw_data_c3xxx(struct adf_hw_device_data *hw_data)
+{
+	hw_data->dev_class = &c3xxx_class;
+	hw_data->instance_id = c3xxx_class.instances++;
+	hw_data->num_banks = ADF_C3XXX_ETR_MAX_BANKS;
+	hw_data->num_rings_per_bank = ADF_ETR_MAX_RINGS_PER_BANK;
+	hw_data->num_accel = ADF_C3XXX_MAX_ACCELERATORS;
+	hw_data->num_logical_accel = 1;
+	hw_data->num_engines = ADF_C3XXX_MAX_ACCELENGINES;
+	hw_data->tx_rx_gap = ADF_GEN2_RX_RINGS_OFFSET;
+	hw_data->tx_rings_mask = ADF_GEN2_TX_RINGS_MASK;
+	hw_data->ring_to_svc_map = ADF_GEN2_DEFAULT_RING_TO_SRV_MAP;
+	hw_data->alloc_irq = adf_isr_resource_alloc;
+	hw_data->free_irq = adf_isr_resource_free;
+	hw_data->enable_error_correction = adf_gen2_enable_error_correction;
+	hw_data->get_accel_mask = get_accel_mask;
+	hw_data->get_ae_mask = get_ae_mask;
+	hw_data->get_accel_cap = adf_gen2_get_accel_cap;
+	hw_data->get_num_accels = adf_gen2_get_num_accels;
+	hw_data->get_num_aes = adf_gen2_get_num_aes;
+	hw_data->get_sram_bar_id = get_sram_bar_id;
+	hw_data->get_etr_bar_id = get_etr_bar_id;
+	hw_data->get_misc_bar_id = get_misc_bar_id;
+	hw_data->get_admin_info = adf_gen2_get_admin_info;
+	hw_data->get_arb_info = adf_gen2_get_arb_info;
+	hw_data->get_sku = get_sku;
+	hw_data->fw_name = ADF_C3XXX_FW;
+	hw_data->fw_mmp_name = ADF_C3XXX_MMP;
+	hw_data->init_admin_comms = adf_init_admin_comms;
+	hw_data->exit_admin_comms = adf_exit_admin_comms;
+	hw_data->configure_iov_threads = configure_iov_threads;
+	hw_data->send_admin_init = adf_send_admin_init;
+	hw_data->init_arb = adf_init_arb;
+	hw_data->exit_arb = adf_exit_arb;
+	hw_data->get_arb_mapping = adf_get_arbiter_mapping;
+	hw_data->enable_ints = adf_gen2_enable_ints;
+	hw_data->reset_device = adf_reset_flr;
+	hw_data->set_ssm_wdtimer = adf_gen2_set_ssm_wdtimer;
+	hw_data->disable_iov = adf_disable_sriov;
+	hw_data->dev_config = adf_gen2_dev_config;
+	hw_data->measure_clock = measure_clock;
+	hw_data->get_hb_clock = get_ts_clock;
+	hw_data->num_hb_ctrs = ADF_NUM_HB_CNT_PER_AE;
+	hw_data->check_hb_ctrs = adf_heartbeat_check_ctrs;
+
+	adf_gen2_init_pf_pfvf_ops(&hw_data->pfvf_ops);
+	adf_gen2_init_hw_csr_ops(&hw_data->csr_ops);
+	adf_gen2_init_dc_ops(&hw_data->dc_ops);
+}
+
+void adf_clean_hw_data_c3xxx(struct adf_hw_device_data *hw_data)
+{
+	hw_data->dev_class->instances--;
+}

linux-7.2.3/drivers/crypto/intel/qat/qat_c3xxx/adf_c3xxx_hw_data.h

@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
+/* Copyright(c) 2014 - 2020 Intel Corporation */
+#ifndef ADF_C3XXX_HW_DATA_H_
+#define ADF_C3XXX_HW_DATA_H_
+
+#include <linux/units.h>
+
+/* PCIe configuration space */
+#define ADF_C3XXX_PMISC_BAR 0
+#define ADF_C3XXX_ETR_BAR 1
+#define ADF_C3XXX_SRAM_BAR 0
+#define ADF_C3XXX_MAX_ACCELERATORS 3
+#define ADF_C3XXX_MAX_ACCELENGINES 6
+#define ADF_C3XXX_ACCELERATORS_REG_OFFSET 16
+#define ADF_C3XXX_ACCELERATORS_MASK 0x7
+#define ADF_C3XXX_ACCELENGINES_MASK 0x3F
+#define ADF_C3XXX_ETR_MAX_BANKS 16
+#define ADF_C3XXX_SOFTSTRAP_CSR_OFFSET 0x2EC
+
+/* AE to function mapping */
+#define ADF_C3XXX_AE2FUNC_MAP_GRP_A_NUM_REGS 48
+#define ADF_C3XXX_AE2FUNC_MAP_GRP_B_NUM_REGS 6
+
+/* Clocks frequency */
+#define ADF_C3XXX_AE_FREQ (685 * HZ_PER_MHZ)
+#define ADF_C3XXX_MIN_AE_FREQ (533 * HZ_PER_MHZ)
+#define ADF_C3XXX_MAX_AE_FREQ (685 * HZ_PER_MHZ)
+
+/* Firmware Binary */
+#define ADF_C3XXX_FW "qat_c3xxx.bin"
+#define ADF_C3XXX_MMP "qat_c3xxx_mmp.bin"
+
+void adf_init_hw_data_c3xxx(struct adf_hw_device_data *hw_data);
+void adf_clean_hw_data_c3xxx(struct adf_hw_device_data *hw_data);
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_c3xxx/adf_drv.c

@@ -0,0 +1,258 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2014 - 2020 Intel Corporation */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/fs.h>
+#include <linux/slab.h>
+#include <linux/errno.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/workqueue.h>
+#include <linux/io.h>
+#include <adf_accel_devices.h>
+#include <adf_common_drv.h>
+#include <adf_cfg.h>
+#include <adf_dbgfs.h>
+#include "adf_c3xxx_hw_data.h"
+
+static void adf_cleanup_pci_dev(struct adf_accel_dev *accel_dev)
+{
+	pci_release_regions(accel_dev->accel_pci_dev.pci_dev);
+	pci_disable_device(accel_dev->accel_pci_dev.pci_dev);
+}
+
+static void adf_cleanup_accel(struct adf_accel_dev *accel_dev)
+{
+	struct adf_accel_pci *accel_pci_dev = &accel_dev->accel_pci_dev;
+	int i;
+
+	for (i = 0; i < ADF_PCI_MAX_BARS; i++) {
+		struct adf_bar *bar = &accel_pci_dev->pci_bars[i];
+
+		if (bar->virt_addr)
+			pci_iounmap(accel_pci_dev->pci_dev, bar->virt_addr);
+	}
+
+	if (accel_dev->hw_device) {
+		switch (accel_pci_dev->pci_dev->device) {
+		case PCI_DEVICE_ID_INTEL_QAT_C3XXX:
+			adf_clean_hw_data_c3xxx(accel_dev->hw_device);
+			break;
+		default:
+			break;
+		}
+		kfree(accel_dev->hw_device);
+		accel_dev->hw_device = NULL;
+	}
+	adf_dbgfs_exit(accel_dev);
+	adf_cfg_dev_remove(accel_dev);
+	adf_devmgr_rm_dev(accel_dev, NULL);
+}
+
+static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	struct adf_accel_dev *accel_dev;
+	struct adf_accel_pci *accel_pci_dev;
+	struct adf_hw_device_data *hw_data;
+	unsigned int i, bar_nr;
+	unsigned long bar_mask;
+	int ret;
+
+	switch (ent->device) {
+	case PCI_DEVICE_ID_INTEL_QAT_C3XXX:
+		break;
+	default:
+		dev_err(&pdev->dev, "Invalid device 0x%x.\n", ent->device);
+		return -ENODEV;
+	}
+
+	if (num_possible_nodes() > 1 && dev_to_node(&pdev->dev) < 0) {
+		/* If the accelerator is connected to a node with no memory
+		 * there is no point in using the accelerator since the remote
+		 * memory transaction will be very slow. */
+		dev_err(&pdev->dev, "Invalid NUMA configuration.\n");
+		return -EINVAL;
+	}
+
+	accel_dev = kzalloc_node(sizeof(*accel_dev), GFP_KERNEL,
+				 dev_to_node(&pdev->dev));
+	if (!accel_dev)
+		return -ENOMEM;
+
+	INIT_LIST_HEAD(&accel_dev->crypto_list);
+	accel_pci_dev = &accel_dev->accel_pci_dev;
+	accel_pci_dev->pci_dev = pdev;
+
+	/* Add accel device to accel table.
+	 * This should be called before adf_cleanup_accel is called */
+	if (adf_devmgr_add_dev(accel_dev, NULL)) {
+		dev_err(&pdev->dev, "Failed to add new accelerator device.\n");
+		kfree(accel_dev);
+		return -EFAULT;
+	}
+
+	accel_dev->owner = THIS_MODULE;
+	/* Allocate and configure device configuration structure */
+	hw_data = kzalloc_node(sizeof(*hw_data), GFP_KERNEL,
+			       dev_to_node(&pdev->dev));
+	if (!hw_data) {
+		ret = -ENOMEM;
+		goto out_err;
+	}
+
+	accel_dev->hw_device = hw_data;
+	adf_init_hw_data_c3xxx(accel_dev->hw_device);
+	pci_read_config_byte(pdev, PCI_REVISION_ID, &accel_pci_dev->revid);
+	pci_read_config_dword(pdev, ADF_DEVICE_FUSECTL_OFFSET,
+			      &hw_data->fuses[ADF_FUSECTL0]);
+	pci_read_config_dword(pdev, ADF_C3XXX_SOFTSTRAP_CSR_OFFSET,
+			      &hw_data->straps);
+
+	/* Get Accelerators and Accelerators Engines masks */
+	hw_data->accel_mask = hw_data->get_accel_mask(hw_data);
+	hw_data->ae_mask = hw_data->get_ae_mask(hw_data);
+	accel_pci_dev->sku = hw_data->get_sku(hw_data);
+	/* If the device has no acceleration engines then ignore it. */
+	if (!hw_data->accel_mask || !hw_data->ae_mask ||
+	    ((~hw_data->ae_mask) & 0x01)) {
+		dev_err(&pdev->dev, "No acceleration units found");
+		ret = -EFAULT;
+		goto out_err;
+	}
+
+	/* Create device configuration table */
+	ret = adf_cfg_dev_add(accel_dev);
+	if (ret)
+		goto out_err;
+
+	/* enable PCI device */
+	if (pci_enable_device(pdev)) {
+		ret = -EFAULT;
+		goto out_err;
+	}
+
+	/* set dma identifier */
+	ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(48));
+	if (ret) {
+		dev_err(&pdev->dev, "No usable DMA configuration\n");
+		goto out_err_disable;
+	}
+
+	if (pci_request_regions(pdev, ADF_C3XXX_DEVICE_NAME)) {
+		ret = -EFAULT;
+		goto out_err_disable;
+	}
+
+	/* Get accelerator capabilities mask */
+	hw_data->accel_capabilities_mask = hw_data->get_accel_cap(accel_dev);
+
+	/* Find and map all the device's BARS */
+	i = 0;
+	bar_mask = pci_select_bars(pdev, IORESOURCE_MEM);
+	for_each_set_bit(bar_nr, &bar_mask, ADF_PCI_MAX_BARS * 2) {
+		struct adf_bar *bar = &accel_pci_dev->pci_bars[i++];
+
+		bar->base_addr = pci_resource_start(pdev, bar_nr);
+		if (!bar->base_addr)
+			break;
+		bar->size = pci_resource_len(pdev, bar_nr);
+		bar->virt_addr = pci_iomap(accel_pci_dev->pci_dev, bar_nr, 0);
+		if (!bar->virt_addr) {
+			pci_err(pdev, "Failed to map BAR %d\n", bar_nr);
+			ret = -EFAULT;
+			goto out_err_free_reg;
+		}
+	}
+
+	if (pci_save_state(pdev)) {
+		pci_err(pdev, "Failed to save pci state\n");
+		ret = -ENOMEM;
+		goto out_err_free_reg;
+	}
+
+	adf_dbgfs_init(accel_dev);
+
+	ret = adf_dev_up(accel_dev, true);
+	if (ret)
+		goto out_err_dev_stop;
+
+	return ret;
+
+out_err_dev_stop:
+	adf_dev_down(accel_dev);
+out_err_free_reg:
+	pci_release_regions(accel_pci_dev->pci_dev);
+out_err_disable:
+	pci_disable_device(accel_pci_dev->pci_dev);
+out_err:
+	adf_cleanup_accel(accel_dev);
+	kfree(accel_dev);
+	return ret;
+}
+
+static void adf_remove(struct pci_dev *pdev)
+{
+	struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev);
+
+	if (!accel_dev) {
+		pr_err("QAT: Driver removal failed\n");
+		return;
+	}
+	adf_dev_down(accel_dev);
+	adf_cleanup_accel(accel_dev);
+	adf_cleanup_pci_dev(accel_dev);
+	kfree(accel_dev);
+}
+
+static void adf_shutdown(struct pci_dev *pdev)
+{
+	struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev);
+
+	adf_dev_down(accel_dev);
+}
+
+static const struct pci_device_id adf_pci_tbl[] = {
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_QAT_C3XXX) },
+	{ }
+};
+MODULE_DEVICE_TABLE(pci, adf_pci_tbl);
+
+static struct pci_driver adf_driver = {
+	.id_table = adf_pci_tbl,
+	.name = ADF_C3XXX_DEVICE_NAME,
+	.probe = adf_probe,
+	.remove = adf_remove,
+	.shutdown = adf_shutdown,
+	.sriov_configure = adf_sriov_configure,
+	.err_handler = &adf_err_handler,
+};
+
+static int __init adfdrv_init(void)
+{
+	request_module("intel_qat");
+
+	if (pci_register_driver(&adf_driver)) {
+		pr_err("QAT: Driver initialization failed\n");
+		return -EFAULT;
+	}
+	return 0;
+}
+
+static void __exit adfdrv_release(void)
+{
+	pci_unregister_driver(&adf_driver);
+}
+
+module_init(adfdrv_init);
+module_exit(adfdrv_release);
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_AUTHOR("Intel");
+MODULE_FIRMWARE(ADF_C3XXX_FW);
+MODULE_FIRMWARE(ADF_C3XXX_MMP);
+MODULE_DESCRIPTION("Intel(R) QuickAssist Technology");
+MODULE_IMPORT_NS("CRYPTO_QAT");

linux-7.2.3/drivers/crypto/intel/qat/qat_c3xxxvf/Makefile

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_CRYPTO_DEV_QAT_C3XXXVF) += qat_c3xxxvf.o
+qat_c3xxxvf-y := adf_drv.o adf_c3xxxvf_hw_data.o

linux-7.2.3/drivers/crypto/intel/qat/qat_c3xxxvf/adf_c3xxxvf_hw_data.c

@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2015 - 2021 Intel Corporation */
+#include <adf_accel_devices.h>
+#include <adf_common_drv.h>
+#include <adf_gen2_config.h>
+#include <adf_gen2_hw_csr_data.h>
+#include <adf_gen2_hw_data.h>
+#include <adf_gen2_pfvf.h>
+#include <adf_pfvf_vf_msg.h>
+#include "adf_c3xxxvf_hw_data.h"
+
+static struct adf_hw_device_class c3xxxiov_class = {
+	.name = ADF_C3XXXVF_DEVICE_NAME,
+	.type = DEV_C3XXXVF,
+};
+
+static u32 get_accel_mask(struct adf_hw_device_data *self)
+{
+	return ADF_C3XXXIOV_ACCELERATORS_MASK;
+}
+
+static u32 get_ae_mask(struct adf_hw_device_data *self)
+{
+	return ADF_C3XXXIOV_ACCELENGINES_MASK;
+}
+
+static u32 get_num_accels(struct adf_hw_device_data *self)
+{
+	return ADF_C3XXXIOV_MAX_ACCELERATORS;
+}
+
+static u32 get_num_aes(struct adf_hw_device_data *self)
+{
+	return ADF_C3XXXIOV_MAX_ACCELENGINES;
+}
+
+static u32 get_misc_bar_id(struct adf_hw_device_data *self)
+{
+	return ADF_C3XXXIOV_PMISC_BAR;
+}
+
+static u32 get_etr_bar_id(struct adf_hw_device_data *self)
+{
+	return ADF_C3XXXIOV_ETR_BAR;
+}
+
+static enum dev_sku_info get_sku(struct adf_hw_device_data *self)
+{
+	return DEV_SKU_VF;
+}
+
+static int adf_vf_int_noop(struct adf_accel_dev *accel_dev)
+{
+	return 0;
+}
+
+static void adf_vf_void_noop(struct adf_accel_dev *accel_dev)
+{
+}
+
+void adf_init_hw_data_c3xxxiov(struct adf_hw_device_data *hw_data)
+{
+	hw_data->dev_class = &c3xxxiov_class;
+	hw_data->num_banks = ADF_C3XXXIOV_ETR_MAX_BANKS;
+	hw_data->num_rings_per_bank = ADF_ETR_MAX_RINGS_PER_BANK;
+	hw_data->num_accel = ADF_C3XXXIOV_MAX_ACCELERATORS;
+	hw_data->num_logical_accel = 1;
+	hw_data->num_engines = ADF_C3XXXIOV_MAX_ACCELENGINES;
+	hw_data->tx_rx_gap = ADF_C3XXXIOV_RX_RINGS_OFFSET;
+	hw_data->tx_rings_mask = ADF_C3XXXIOV_TX_RINGS_MASK;
+	hw_data->ring_to_svc_map = ADF_GEN2_DEFAULT_RING_TO_SRV_MAP;
+	hw_data->alloc_irq = adf_vf_isr_resource_alloc;
+	hw_data->free_irq = adf_vf_isr_resource_free;
+	hw_data->enable_error_correction = adf_vf_void_noop;
+	hw_data->init_admin_comms = adf_vf_int_noop;
+	hw_data->exit_admin_comms = adf_vf_void_noop;
+	hw_data->send_admin_init = adf_vf2pf_notify_init;
+	hw_data->init_arb = adf_vf_int_noop;
+	hw_data->exit_arb = adf_vf_void_noop;
+	hw_data->disable_iov = adf_vf2pf_notify_shutdown;
+	hw_data->get_accel_mask = get_accel_mask;
+	hw_data->get_ae_mask = get_ae_mask;
+	hw_data->get_num_accels = get_num_accels;
+	hw_data->get_num_aes = get_num_aes;
+	hw_data->get_etr_bar_id = get_etr_bar_id;
+	hw_data->get_misc_bar_id = get_misc_bar_id;
+	hw_data->get_sku = get_sku;
+	hw_data->enable_ints = adf_vf_void_noop;
+	hw_data->dev_class->instances++;
+	hw_data->dev_config = adf_gen2_dev_config;
+	adf_devmgr_update_class_index(hw_data);
+	adf_gen2_init_vf_pfvf_ops(&hw_data->pfvf_ops);
+	adf_gen2_init_hw_csr_ops(&hw_data->csr_ops);
+	adf_gen2_init_dc_ops(&hw_data->dc_ops);
+}
+
+void adf_clean_hw_data_c3xxxiov(struct adf_hw_device_data *hw_data)
+{
+	hw_data->dev_class->instances--;
+	adf_devmgr_update_class_index(hw_data);
+}

linux-7.2.3/drivers/crypto/intel/qat/qat_c3xxxvf/adf_c3xxxvf_hw_data.h

@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
+/* Copyright(c) 2015 - 2020 Intel Corporation */
+#ifndef ADF_C3XXXVF_HW_DATA_H_
+#define ADF_C3XXXVF_HW_DATA_H_
+
+#define ADF_C3XXXIOV_PMISC_BAR 1
+#define ADF_C3XXXIOV_ACCELERATORS_MASK 0x1
+#define ADF_C3XXXIOV_ACCELENGINES_MASK 0x1
+#define ADF_C3XXXIOV_MAX_ACCELERATORS 1
+#define ADF_C3XXXIOV_MAX_ACCELENGINES 1
+#define ADF_C3XXXIOV_RX_RINGS_OFFSET 8
+#define ADF_C3XXXIOV_TX_RINGS_MASK 0xFF
+#define ADF_C3XXXIOV_ETR_BAR 0
+#define ADF_C3XXXIOV_ETR_MAX_BANKS 1
+
+void adf_init_hw_data_c3xxxiov(struct adf_hw_device_data *hw_data);
+void adf_clean_hw_data_c3xxxiov(struct adf_hw_device_data *hw_data);
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_c3xxxvf/adf_drv.c

@@ -0,0 +1,227 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2014 - 2020 Intel Corporation */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/fs.h>
+#include <linux/slab.h>
+#include <linux/errno.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/workqueue.h>
+#include <linux/io.h>
+#include <adf_accel_devices.h>
+#include <adf_common_drv.h>
+#include <adf_cfg.h>
+#include <adf_dbgfs.h>
+#include "adf_c3xxxvf_hw_data.h"
+
+static const struct pci_device_id adf_pci_tbl[] = {
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_QAT_C3XXX_VF), },
+	{ }
+};
+MODULE_DEVICE_TABLE(pci, adf_pci_tbl);
+
+static int adf_probe(struct pci_dev *dev, const struct pci_device_id *ent);
+static void adf_remove(struct pci_dev *dev);
+
+static struct pci_driver adf_driver = {
+	.id_table = adf_pci_tbl,
+	.name = ADF_C3XXXVF_DEVICE_NAME,
+	.probe = adf_probe,
+	.remove = adf_remove,
+};
+
+static void adf_cleanup_pci_dev(struct adf_accel_dev *accel_dev)
+{
+	pci_release_regions(accel_dev->accel_pci_dev.pci_dev);
+	pci_disable_device(accel_dev->accel_pci_dev.pci_dev);
+}
+
+static void adf_cleanup_accel(struct adf_accel_dev *accel_dev)
+{
+	struct adf_accel_pci *accel_pci_dev = &accel_dev->accel_pci_dev;
+	struct adf_accel_dev *pf;
+	int i;
+
+	for (i = 0; i < ADF_PCI_MAX_BARS; i++) {
+		struct adf_bar *bar = &accel_pci_dev->pci_bars[i];
+
+		if (bar->virt_addr)
+			pci_iounmap(accel_pci_dev->pci_dev, bar->virt_addr);
+	}
+
+	if (accel_dev->hw_device) {
+		switch (accel_pci_dev->pci_dev->device) {
+		case PCI_DEVICE_ID_INTEL_QAT_C3XXX_VF:
+			adf_clean_hw_data_c3xxxiov(accel_dev->hw_device);
+			break;
+		default:
+			break;
+		}
+		kfree(accel_dev->hw_device);
+		accel_dev->hw_device = NULL;
+	}
+	adf_dbgfs_exit(accel_dev);
+	adf_cfg_dev_remove(accel_dev);
+	pf = adf_devmgr_pci_to_accel_dev(accel_pci_dev->pci_dev->physfn);
+	adf_devmgr_rm_dev(accel_dev, pf);
+}
+
+static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	struct adf_accel_dev *accel_dev;
+	struct adf_accel_dev *pf;
+	struct adf_accel_pci *accel_pci_dev;
+	struct adf_hw_device_data *hw_data;
+	unsigned int i, bar_nr;
+	unsigned long bar_mask;
+	int ret;
+
+	switch (ent->device) {
+	case PCI_DEVICE_ID_INTEL_QAT_C3XXX_VF:
+		break;
+	default:
+		dev_err(&pdev->dev, "Invalid device 0x%x.\n", ent->device);
+		return -ENODEV;
+	}
+
+	accel_dev = kzalloc_node(sizeof(*accel_dev), GFP_KERNEL,
+				 dev_to_node(&pdev->dev));
+	if (!accel_dev)
+		return -ENOMEM;
+
+	accel_dev->is_vf = true;
+	pf = adf_devmgr_pci_to_accel_dev(pdev->physfn);
+	accel_pci_dev = &accel_dev->accel_pci_dev;
+	accel_pci_dev->pci_dev = pdev;
+
+	/* Add accel device to accel table */
+	if (adf_devmgr_add_dev(accel_dev, pf)) {
+		dev_err(&pdev->dev, "Failed to add new accelerator device.\n");
+		kfree(accel_dev);
+		return -EFAULT;
+	}
+	INIT_LIST_HEAD(&accel_dev->crypto_list);
+
+	accel_dev->owner = THIS_MODULE;
+	/* Allocate and configure device configuration structure */
+	hw_data = kzalloc_node(sizeof(*hw_data), GFP_KERNEL,
+			       dev_to_node(&pdev->dev));
+	if (!hw_data) {
+		ret = -ENOMEM;
+		goto out_err;
+	}
+	accel_dev->hw_device = hw_data;
+	adf_init_hw_data_c3xxxiov(accel_dev->hw_device);
+
+	/* Get Accelerators and Accelerators Engines masks */
+	hw_data->accel_mask = hw_data->get_accel_mask(hw_data);
+	hw_data->ae_mask = hw_data->get_ae_mask(hw_data);
+	accel_pci_dev->sku = hw_data->get_sku(hw_data);
+
+	/* Create device configuration table */
+	ret = adf_cfg_dev_add(accel_dev);
+	if (ret)
+		goto out_err;
+
+	/* enable PCI device */
+	if (pci_enable_device(pdev)) {
+		ret = -EFAULT;
+		goto out_err;
+	}
+
+	/* set dma identifier */
+	ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(48));
+	if (ret) {
+		dev_err(&pdev->dev, "No usable DMA configuration\n");
+		goto out_err_disable;
+	}
+
+	if (pci_request_regions(pdev, ADF_C3XXXVF_DEVICE_NAME)) {
+		ret = -EFAULT;
+		goto out_err_disable;
+	}
+
+	/* Find and map all the device's BARS */
+	i = 0;
+	bar_mask = pci_select_bars(pdev, IORESOURCE_MEM);
+	for_each_set_bit(bar_nr, &bar_mask, ADF_PCI_MAX_BARS * 2) {
+		struct adf_bar *bar = &accel_pci_dev->pci_bars[i++];
+
+		bar->base_addr = pci_resource_start(pdev, bar_nr);
+		if (!bar->base_addr)
+			break;
+		bar->size = pci_resource_len(pdev, bar_nr);
+		bar->virt_addr = pci_iomap(accel_pci_dev->pci_dev, bar_nr, 0);
+		if (!bar->virt_addr) {
+			pci_err(pdev, "Failed to map BAR %d\n", bar_nr);
+			ret = -EFAULT;
+			goto out_err_free_reg;
+		}
+	}
+	/* Completion for VF2PF request/response message exchange */
+	init_completion(&accel_dev->vf.msg_received);
+
+	adf_dbgfs_init(accel_dev);
+
+	ret = adf_dev_up(accel_dev, false);
+	if (ret)
+		goto out_err_dev_stop;
+
+	return ret;
+
+out_err_dev_stop:
+	adf_dev_down(accel_dev);
+out_err_free_reg:
+	pci_release_regions(accel_pci_dev->pci_dev);
+out_err_disable:
+	pci_disable_device(accel_pci_dev->pci_dev);
+out_err:
+	adf_cleanup_accel(accel_dev);
+	kfree(accel_dev);
+	return ret;
+}
+
+static void adf_remove(struct pci_dev *pdev)
+{
+	struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev);
+
+	if (!accel_dev) {
+		pr_err("QAT: Driver removal failed\n");
+		return;
+	}
+	adf_flush_vf_wq(accel_dev);
+	adf_dev_down(accel_dev);
+	adf_cleanup_accel(accel_dev);
+	adf_cleanup_pci_dev(accel_dev);
+	kfree(accel_dev);
+}
+
+static int __init adfdrv_init(void)
+{
+	request_module("intel_qat");
+
+	if (pci_register_driver(&adf_driver)) {
+		pr_err("QAT: Driver initialization failed\n");
+		return -EFAULT;
+	}
+	return 0;
+}
+
+static void __exit adfdrv_release(void)
+{
+	pci_unregister_driver(&adf_driver);
+	adf_clean_vf_map(true);
+}
+
+module_init(adfdrv_init);
+module_exit(adfdrv_release);
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_AUTHOR("Intel");
+MODULE_DESCRIPTION("Intel(R) QuickAssist Technology");
+MODULE_IMPORT_NS("CRYPTO_QAT");

linux-7.2.3/drivers/crypto/intel/qat/qat_c62x/Makefile

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_CRYPTO_DEV_QAT_C62X) += qat_c62x.o
+qat_c62x-y := adf_drv.o adf_c62x_hw_data.o

linux-7.2.3/drivers/crypto/intel/qat/qat_c62x/adf_c62x_hw_data.c

@@ -0,0 +1,169 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2014 - 2021 Intel Corporation */
+#include <adf_accel_devices.h>
+#include <adf_admin.h>
+#include <adf_clock.h>
+#include <adf_common_drv.h>
+#include <adf_gen2_config.h>
+#include <adf_gen2_hw_csr_data.h>
+#include <adf_gen2_hw_data.h>
+#include <adf_gen2_pfvf.h>
+#include "adf_c62x_hw_data.h"
+#include "adf_heartbeat.h"
+#include "icp_qat_hw.h"
+
+/* Worker thread to service arbiter mappings */
+static const u32 thrd_to_arb_map[ADF_C62X_MAX_ACCELENGINES] = {
+	0x12222AAA, 0x11222AAA, 0x12222AAA, 0x11222AAA, 0x12222AAA,
+	0x11222AAA, 0x12222AAA, 0x11222AAA, 0x12222AAA, 0x11222AAA
+};
+
+static struct adf_hw_device_class c62x_class = {
+	.name = ADF_C62X_DEVICE_NAME,
+	.type = DEV_C62X,
+};
+
+static u32 get_accel_mask(struct adf_hw_device_data *self)
+{
+	u32 fuses = self->fuses[ADF_FUSECTL0];
+	u32 straps = self->straps;
+	u32 accel;
+
+	accel = ~(fuses | straps) >> ADF_C62X_ACCELERATORS_REG_OFFSET;
+	accel &= ADF_C62X_ACCELERATORS_MASK;
+
+	return accel;
+}
+
+static u32 get_ae_mask(struct adf_hw_device_data *self)
+{
+	u32 fuses = self->fuses[ADF_FUSECTL0];
+	u32 straps = self->straps;
+	unsigned long disabled;
+	u32 ae_disable;
+	int accel;
+
+	/* If an accel is disabled, then disable the corresponding two AEs */
+	disabled = ~get_accel_mask(self) & ADF_C62X_ACCELERATORS_MASK;
+	ae_disable = BIT(1) | BIT(0);
+	for_each_set_bit(accel, &disabled, ADF_C62X_MAX_ACCELERATORS)
+		straps |= ae_disable << (accel << 1);
+
+	return ~(fuses | straps) & ADF_C62X_ACCELENGINES_MASK;
+}
+
+static u32 get_ts_clock(struct adf_hw_device_data *self)
+{
+	/*
+	 * Timestamp update interval is 16 AE clock ticks for c62x.
+	 */
+	return self->clock_frequency / 16;
+}
+
+static int measure_clock(struct adf_accel_dev *accel_dev)
+{
+	u32 frequency;
+	int ret;
+
+	ret = adf_dev_measure_clock(accel_dev, &frequency, ADF_C62X_MIN_AE_FREQ,
+				    ADF_C62X_MAX_AE_FREQ);
+	if (ret)
+		return ret;
+
+	accel_dev->hw_device->clock_frequency = frequency;
+	return 0;
+}
+
+static u32 get_misc_bar_id(struct adf_hw_device_data *self)
+{
+	return ADF_C62X_PMISC_BAR;
+}
+
+static u32 get_etr_bar_id(struct adf_hw_device_data *self)
+{
+	return ADF_C62X_ETR_BAR;
+}
+
+static u32 get_sram_bar_id(struct adf_hw_device_data *self)
+{
+	return ADF_C62X_SRAM_BAR;
+}
+
+static enum dev_sku_info get_sku(struct adf_hw_device_data *self)
+{
+	int aes = self->get_num_aes(self);
+
+	if (aes == 8)
+		return DEV_SKU_2;
+	else if (aes == 10)
+		return DEV_SKU_4;
+
+	return DEV_SKU_UNKNOWN;
+}
+
+static const u32 *adf_get_arbiter_mapping(struct adf_accel_dev *accel_dev)
+{
+	return thrd_to_arb_map;
+}
+
+static void configure_iov_threads(struct adf_accel_dev *accel_dev, bool enable)
+{
+	adf_gen2_cfg_iov_thds(accel_dev, enable,
+			      ADF_C62X_AE2FUNC_MAP_GRP_A_NUM_REGS,
+			      ADF_C62X_AE2FUNC_MAP_GRP_B_NUM_REGS);
+}
+
+void adf_init_hw_data_c62x(struct adf_hw_device_data *hw_data)
+{
+	hw_data->dev_class = &c62x_class;
+	hw_data->instance_id = c62x_class.instances++;
+	hw_data->num_banks = ADF_C62X_ETR_MAX_BANKS;
+	hw_data->num_rings_per_bank = ADF_ETR_MAX_RINGS_PER_BANK;
+	hw_data->num_accel = ADF_C62X_MAX_ACCELERATORS;
+	hw_data->num_logical_accel = 1;
+	hw_data->num_engines = ADF_C62X_MAX_ACCELENGINES;
+	hw_data->tx_rx_gap = ADF_GEN2_RX_RINGS_OFFSET;
+	hw_data->tx_rings_mask = ADF_GEN2_TX_RINGS_MASK;
+	hw_data->ring_to_svc_map = ADF_GEN2_DEFAULT_RING_TO_SRV_MAP;
+	hw_data->alloc_irq = adf_isr_resource_alloc;
+	hw_data->free_irq = adf_isr_resource_free;
+	hw_data->enable_error_correction = adf_gen2_enable_error_correction;
+	hw_data->get_accel_mask = get_accel_mask;
+	hw_data->get_ae_mask = get_ae_mask;
+	hw_data->get_accel_cap = adf_gen2_get_accel_cap;
+	hw_data->get_num_accels = adf_gen2_get_num_accels;
+	hw_data->get_num_aes = adf_gen2_get_num_aes;
+	hw_data->get_sram_bar_id = get_sram_bar_id;
+	hw_data->get_etr_bar_id = get_etr_bar_id;
+	hw_data->get_misc_bar_id = get_misc_bar_id;
+	hw_data->get_admin_info = adf_gen2_get_admin_info;
+	hw_data->get_arb_info = adf_gen2_get_arb_info;
+	hw_data->get_sku = get_sku;
+	hw_data->fw_name = ADF_C62X_FW;
+	hw_data->fw_mmp_name = ADF_C62X_MMP;
+	hw_data->init_admin_comms = adf_init_admin_comms;
+	hw_data->exit_admin_comms = adf_exit_admin_comms;
+	hw_data->configure_iov_threads = configure_iov_threads;
+	hw_data->send_admin_init = adf_send_admin_init;
+	hw_data->init_arb = adf_init_arb;
+	hw_data->exit_arb = adf_exit_arb;
+	hw_data->get_arb_mapping = adf_get_arbiter_mapping;
+	hw_data->enable_ints = adf_gen2_enable_ints;
+	hw_data->reset_device = adf_reset_flr;
+	hw_data->set_ssm_wdtimer = adf_gen2_set_ssm_wdtimer;
+	hw_data->disable_iov = adf_disable_sriov;
+	hw_data->dev_config = adf_gen2_dev_config;
+	hw_data->measure_clock = measure_clock;
+	hw_data->get_hb_clock = get_ts_clock;
+	hw_data->num_hb_ctrs = ADF_NUM_HB_CNT_PER_AE;
+	hw_data->check_hb_ctrs = adf_heartbeat_check_ctrs;
+
+	adf_gen2_init_pf_pfvf_ops(&hw_data->pfvf_ops);
+	adf_gen2_init_hw_csr_ops(&hw_data->csr_ops);
+	adf_gen2_init_dc_ops(&hw_data->dc_ops);
+}
+
+void adf_clean_hw_data_c62x(struct adf_hw_device_data *hw_data)
+{
+	hw_data->dev_class->instances--;
+}

linux-7.2.3/drivers/crypto/intel/qat/qat_c62x/adf_c62x_hw_data.h

@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
+/* Copyright(c) 2014 - 2020 Intel Corporation */
+#ifndef ADF_C62X_HW_DATA_H_
+#define ADF_C62X_HW_DATA_H_
+
+#include <linux/units.h>
+
+/* PCIe configuration space */
+#define ADF_C62X_SRAM_BAR 0
+#define ADF_C62X_PMISC_BAR 1
+#define ADF_C62X_ETR_BAR 2
+#define ADF_C62X_MAX_ACCELERATORS 5
+#define ADF_C62X_MAX_ACCELENGINES 10
+#define ADF_C62X_ACCELERATORS_REG_OFFSET 16
+#define ADF_C62X_ACCELERATORS_MASK 0x1F
+#define ADF_C62X_ACCELENGINES_MASK 0x3FF
+#define ADF_C62X_ETR_MAX_BANKS 16
+#define ADF_C62X_SOFTSTRAP_CSR_OFFSET 0x2EC
+
+/* AE to function mapping */
+#define ADF_C62X_AE2FUNC_MAP_GRP_A_NUM_REGS 80
+#define ADF_C62X_AE2FUNC_MAP_GRP_B_NUM_REGS 10
+
+/* Clocks frequency */
+#define ADF_C62X_AE_FREQ (685 * HZ_PER_MHZ)
+#define ADF_C62X_MIN_AE_FREQ (533 * HZ_PER_MHZ)
+#define ADF_C62X_MAX_AE_FREQ (800 * HZ_PER_MHZ)
+
+/* Firmware Binary */
+#define ADF_C62X_FW "qat_c62x.bin"
+#define ADF_C62X_MMP "qat_c62x_mmp.bin"
+
+void adf_init_hw_data_c62x(struct adf_hw_device_data *hw_data);
+void adf_clean_hw_data_c62x(struct adf_hw_device_data *hw_data);
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_c62x/adf_drv.c

@@ -0,0 +1,258 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2014 - 2020 Intel Corporation */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/fs.h>
+#include <linux/slab.h>
+#include <linux/errno.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/workqueue.h>
+#include <linux/io.h>
+#include <adf_accel_devices.h>
+#include <adf_common_drv.h>
+#include <adf_cfg.h>
+#include <adf_dbgfs.h>
+#include "adf_c62x_hw_data.h"
+
+static void adf_cleanup_pci_dev(struct adf_accel_dev *accel_dev)
+{
+	pci_release_regions(accel_dev->accel_pci_dev.pci_dev);
+	pci_disable_device(accel_dev->accel_pci_dev.pci_dev);
+}
+
+static void adf_cleanup_accel(struct adf_accel_dev *accel_dev)
+{
+	struct adf_accel_pci *accel_pci_dev = &accel_dev->accel_pci_dev;
+	int i;
+
+	for (i = 0; i < ADF_PCI_MAX_BARS; i++) {
+		struct adf_bar *bar = &accel_pci_dev->pci_bars[i];
+
+		if (bar->virt_addr)
+			pci_iounmap(accel_pci_dev->pci_dev, bar->virt_addr);
+	}
+
+	if (accel_dev->hw_device) {
+		switch (accel_pci_dev->pci_dev->device) {
+		case PCI_DEVICE_ID_INTEL_QAT_C62X:
+			adf_clean_hw_data_c62x(accel_dev->hw_device);
+			break;
+		default:
+			break;
+		}
+		kfree(accel_dev->hw_device);
+		accel_dev->hw_device = NULL;
+	}
+	adf_dbgfs_exit(accel_dev);
+	adf_cfg_dev_remove(accel_dev);
+	adf_devmgr_rm_dev(accel_dev, NULL);
+}
+
+static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	struct adf_accel_dev *accel_dev;
+	struct adf_accel_pci *accel_pci_dev;
+	struct adf_hw_device_data *hw_data;
+	unsigned int i, bar_nr;
+	unsigned long bar_mask;
+	int ret;
+
+	switch (ent->device) {
+	case PCI_DEVICE_ID_INTEL_QAT_C62X:
+		break;
+	default:
+		dev_err(&pdev->dev, "Invalid device 0x%x.\n", ent->device);
+		return -ENODEV;
+	}
+
+	if (num_possible_nodes() > 1 && dev_to_node(&pdev->dev) < 0) {
+		/* If the accelerator is connected to a node with no memory
+		 * there is no point in using the accelerator since the remote
+		 * memory transaction will be very slow. */
+		dev_err(&pdev->dev, "Invalid NUMA configuration.\n");
+		return -EINVAL;
+	}
+
+	accel_dev = kzalloc_node(sizeof(*accel_dev), GFP_KERNEL,
+				 dev_to_node(&pdev->dev));
+	if (!accel_dev)
+		return -ENOMEM;
+
+	INIT_LIST_HEAD(&accel_dev->crypto_list);
+	accel_pci_dev = &accel_dev->accel_pci_dev;
+	accel_pci_dev->pci_dev = pdev;
+
+	/* Add accel device to accel table.
+	 * This should be called before adf_cleanup_accel is called */
+	if (adf_devmgr_add_dev(accel_dev, NULL)) {
+		dev_err(&pdev->dev, "Failed to add new accelerator device.\n");
+		kfree(accel_dev);
+		return -EFAULT;
+	}
+
+	accel_dev->owner = THIS_MODULE;
+	/* Allocate and configure device configuration structure */
+	hw_data = kzalloc_node(sizeof(*hw_data), GFP_KERNEL,
+			       dev_to_node(&pdev->dev));
+	if (!hw_data) {
+		ret = -ENOMEM;
+		goto out_err;
+	}
+
+	accel_dev->hw_device = hw_data;
+	adf_init_hw_data_c62x(accel_dev->hw_device);
+	pci_read_config_byte(pdev, PCI_REVISION_ID, &accel_pci_dev->revid);
+	pci_read_config_dword(pdev, ADF_DEVICE_FUSECTL_OFFSET,
+			      &hw_data->fuses[ADF_FUSECTL0]);
+	pci_read_config_dword(pdev, ADF_C62X_SOFTSTRAP_CSR_OFFSET,
+			      &hw_data->straps);
+
+	/* Get Accelerators and Accelerators Engines masks */
+	hw_data->accel_mask = hw_data->get_accel_mask(hw_data);
+	hw_data->ae_mask = hw_data->get_ae_mask(hw_data);
+	accel_pci_dev->sku = hw_data->get_sku(hw_data);
+	/* If the device has no acceleration engines then ignore it. */
+	if (!hw_data->accel_mask || !hw_data->ae_mask ||
+	    ((~hw_data->ae_mask) & 0x01)) {
+		dev_err(&pdev->dev, "No acceleration units found");
+		ret = -EFAULT;
+		goto out_err;
+	}
+
+	/* Create device configuration table */
+	ret = adf_cfg_dev_add(accel_dev);
+	if (ret)
+		goto out_err;
+
+	/* enable PCI device */
+	if (pci_enable_device(pdev)) {
+		ret = -EFAULT;
+		goto out_err;
+	}
+
+	/* set dma identifier */
+	ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(48));
+	if (ret) {
+		dev_err(&pdev->dev, "No usable DMA configuration\n");
+		goto out_err_disable;
+	}
+
+	if (pci_request_regions(pdev, ADF_C62X_DEVICE_NAME)) {
+		ret = -EFAULT;
+		goto out_err_disable;
+	}
+
+	/* Get accelerator capabilities mask */
+	hw_data->accel_capabilities_mask = hw_data->get_accel_cap(accel_dev);
+
+	/* Find and map all the device's BARS */
+	i = (hw_data->fuses[ADF_FUSECTL0] & ADF_DEVICE_FUSECTL_MASK) ? 1 : 0;
+	bar_mask = pci_select_bars(pdev, IORESOURCE_MEM);
+	for_each_set_bit(bar_nr, &bar_mask, ADF_PCI_MAX_BARS * 2) {
+		struct adf_bar *bar = &accel_pci_dev->pci_bars[i++];
+
+		bar->base_addr = pci_resource_start(pdev, bar_nr);
+		if (!bar->base_addr)
+			break;
+		bar->size = pci_resource_len(pdev, bar_nr);
+		bar->virt_addr = pci_iomap(accel_pci_dev->pci_dev, bar_nr, 0);
+		if (!bar->virt_addr) {
+			pci_err(pdev, "Failed to map BAR %d\n", bar_nr);
+			ret = -EFAULT;
+			goto out_err_free_reg;
+		}
+	}
+
+	if (pci_save_state(pdev)) {
+		pci_err(pdev, "Failed to save pci state\n");
+		ret = -ENOMEM;
+		goto out_err_free_reg;
+	}
+
+	adf_dbgfs_init(accel_dev);
+
+	ret = adf_dev_up(accel_dev, true);
+	if (ret)
+		goto out_err_dev_stop;
+
+	return ret;
+
+out_err_dev_stop:
+	adf_dev_down(accel_dev);
+out_err_free_reg:
+	pci_release_regions(accel_pci_dev->pci_dev);
+out_err_disable:
+	pci_disable_device(accel_pci_dev->pci_dev);
+out_err:
+	adf_cleanup_accel(accel_dev);
+	kfree(accel_dev);
+	return ret;
+}
+
+static void adf_remove(struct pci_dev *pdev)
+{
+	struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev);
+
+	if (!accel_dev) {
+		pr_err("QAT: Driver removal failed\n");
+		return;
+	}
+	adf_dev_down(accel_dev);
+	adf_cleanup_accel(accel_dev);
+	adf_cleanup_pci_dev(accel_dev);
+	kfree(accel_dev);
+}
+
+static void adf_shutdown(struct pci_dev *pdev)
+{
+	struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev);
+
+	adf_dev_down(accel_dev);
+}
+
+static const struct pci_device_id adf_pci_tbl[] = {
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_QAT_C62X) },
+	{ }
+};
+MODULE_DEVICE_TABLE(pci, adf_pci_tbl);
+
+static struct pci_driver adf_driver = {
+	.id_table = adf_pci_tbl,
+	.name = ADF_C62X_DEVICE_NAME,
+	.probe = adf_probe,
+	.remove = adf_remove,
+	.shutdown = adf_shutdown,
+	.sriov_configure = adf_sriov_configure,
+	.err_handler = &adf_err_handler,
+};
+
+static int __init adfdrv_init(void)
+{
+	request_module("intel_qat");
+
+	if (pci_register_driver(&adf_driver)) {
+		pr_err("QAT: Driver initialization failed\n");
+		return -EFAULT;
+	}
+	return 0;
+}
+
+static void __exit adfdrv_release(void)
+{
+	pci_unregister_driver(&adf_driver);
+}
+
+module_init(adfdrv_init);
+module_exit(adfdrv_release);
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_AUTHOR("Intel");
+MODULE_FIRMWARE(ADF_C62X_FW);
+MODULE_FIRMWARE(ADF_C62X_MMP);
+MODULE_DESCRIPTION("Intel(R) QuickAssist Technology");
+MODULE_IMPORT_NS("CRYPTO_QAT");

linux-7.2.3/drivers/crypto/intel/qat/qat_c62xvf/Makefile

@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_CRYPTO_DEV_QAT_C62XVF) += qat_c62xvf.o
+qat_c62xvf-y := adf_drv.o adf_c62xvf_hw_data.o

linux-7.2.3/drivers/crypto/intel/qat/qat_c62xvf/adf_c62xvf_hw_data.c

@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2015 - 2021 Intel Corporation */
+#include <adf_accel_devices.h>
+#include <adf_common_drv.h>
+#include <adf_gen2_config.h>
+#include <adf_gen2_hw_csr_data.h>
+#include <adf_gen2_hw_data.h>
+#include <adf_gen2_pfvf.h>
+#include <adf_pfvf_vf_msg.h>
+#include "adf_c62xvf_hw_data.h"
+
+static struct adf_hw_device_class c62xiov_class = {
+	.name = ADF_C62XVF_DEVICE_NAME,
+	.type = DEV_C62XVF,
+};
+
+static u32 get_accel_mask(struct adf_hw_device_data *self)
+{
+	return ADF_C62XIOV_ACCELERATORS_MASK;
+}
+
+static u32 get_ae_mask(struct adf_hw_device_data *self)
+{
+	return ADF_C62XIOV_ACCELENGINES_MASK;
+}
+
+static u32 get_num_accels(struct adf_hw_device_data *self)
+{
+	return ADF_C62XIOV_MAX_ACCELERATORS;
+}
+
+static u32 get_num_aes(struct adf_hw_device_data *self)
+{
+	return ADF_C62XIOV_MAX_ACCELENGINES;
+}
+
+static u32 get_misc_bar_id(struct adf_hw_device_data *self)
+{
+	return ADF_C62XIOV_PMISC_BAR;
+}
+
+static u32 get_etr_bar_id(struct adf_hw_device_data *self)
+{
+	return ADF_C62XIOV_ETR_BAR;
+}
+
+static enum dev_sku_info get_sku(struct adf_hw_device_data *self)
+{
+	return DEV_SKU_VF;
+}
+
+static int adf_vf_int_noop(struct adf_accel_dev *accel_dev)
+{
+	return 0;
+}
+
+static void adf_vf_void_noop(struct adf_accel_dev *accel_dev)
+{
+}
+
+void adf_init_hw_data_c62xiov(struct adf_hw_device_data *hw_data)
+{
+	hw_data->dev_class = &c62xiov_class;
+	hw_data->num_banks = ADF_C62XIOV_ETR_MAX_BANKS;
+	hw_data->num_rings_per_bank = ADF_ETR_MAX_RINGS_PER_BANK;
+	hw_data->num_accel = ADF_C62XIOV_MAX_ACCELERATORS;
+	hw_data->num_logical_accel = 1;
+	hw_data->num_engines = ADF_C62XIOV_MAX_ACCELENGINES;
+	hw_data->tx_rx_gap = ADF_C62XIOV_RX_RINGS_OFFSET;
+	hw_data->tx_rings_mask = ADF_C62XIOV_TX_RINGS_MASK;
+	hw_data->ring_to_svc_map = ADF_GEN2_DEFAULT_RING_TO_SRV_MAP;
+	hw_data->alloc_irq = adf_vf_isr_resource_alloc;
+	hw_data->free_irq = adf_vf_isr_resource_free;
+	hw_data->enable_error_correction = adf_vf_void_noop;
+	hw_data->init_admin_comms = adf_vf_int_noop;
+	hw_data->exit_admin_comms = adf_vf_void_noop;
+	hw_data->send_admin_init = adf_vf2pf_notify_init;
+	hw_data->init_arb = adf_vf_int_noop;
+	hw_data->exit_arb = adf_vf_void_noop;
+	hw_data->disable_iov = adf_vf2pf_notify_shutdown;
+	hw_data->get_accel_mask = get_accel_mask;
+	hw_data->get_ae_mask = get_ae_mask;
+	hw_data->get_num_accels = get_num_accels;
+	hw_data->get_num_aes = get_num_aes;
+	hw_data->get_etr_bar_id = get_etr_bar_id;
+	hw_data->get_misc_bar_id = get_misc_bar_id;
+	hw_data->get_sku = get_sku;
+	hw_data->enable_ints = adf_vf_void_noop;
+	hw_data->dev_class->instances++;
+	hw_data->dev_config = adf_gen2_dev_config;
+	adf_devmgr_update_class_index(hw_data);
+	adf_gen2_init_vf_pfvf_ops(&hw_data->pfvf_ops);
+	adf_gen2_init_hw_csr_ops(&hw_data->csr_ops);
+	adf_gen2_init_dc_ops(&hw_data->dc_ops);
+}
+
+void adf_clean_hw_data_c62xiov(struct adf_hw_device_data *hw_data)
+{
+	hw_data->dev_class->instances--;
+	adf_devmgr_update_class_index(hw_data);
+}

linux-7.2.3/drivers/crypto/intel/qat/qat_c62xvf/adf_c62xvf_hw_data.h

@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
+/* Copyright(c) 2015 - 2020 Intel Corporation */
+#ifndef ADF_C62XVF_HW_DATA_H_
+#define ADF_C62XVF_HW_DATA_H_
+
+#define ADF_C62XIOV_PMISC_BAR 1
+#define ADF_C62XIOV_ACCELERATORS_MASK 0x1
+#define ADF_C62XIOV_ACCELENGINES_MASK 0x1
+#define ADF_C62XIOV_MAX_ACCELERATORS 1
+#define ADF_C62XIOV_MAX_ACCELENGINES 1
+#define ADF_C62XIOV_RX_RINGS_OFFSET 8
+#define ADF_C62XIOV_TX_RINGS_MASK 0xFF
+#define ADF_C62XIOV_ETR_BAR 0
+#define ADF_C62XIOV_ETR_MAX_BANKS 1
+
+void adf_init_hw_data_c62xiov(struct adf_hw_device_data *hw_data);
+void adf_clean_hw_data_c62xiov(struct adf_hw_device_data *hw_data);
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_c62xvf/adf_drv.c

@@ -0,0 +1,227 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2014 - 2020 Intel Corporation */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/fs.h>
+#include <linux/slab.h>
+#include <linux/errno.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+#include <linux/workqueue.h>
+#include <linux/io.h>
+#include <adf_accel_devices.h>
+#include <adf_common_drv.h>
+#include <adf_cfg.h>
+#include <adf_dbgfs.h>
+#include "adf_c62xvf_hw_data.h"
+
+static const struct pci_device_id adf_pci_tbl[] = {
+	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_QAT_C62X_VF), },
+	{ }
+};
+MODULE_DEVICE_TABLE(pci, adf_pci_tbl);
+
+static int adf_probe(struct pci_dev *dev, const struct pci_device_id *ent);
+static void adf_remove(struct pci_dev *dev);
+
+static struct pci_driver adf_driver = {
+	.id_table = adf_pci_tbl,
+	.name = ADF_C62XVF_DEVICE_NAME,
+	.probe = adf_probe,
+	.remove = adf_remove,
+};
+
+static void adf_cleanup_pci_dev(struct adf_accel_dev *accel_dev)
+{
+	pci_release_regions(accel_dev->accel_pci_dev.pci_dev);
+	pci_disable_device(accel_dev->accel_pci_dev.pci_dev);
+}
+
+static void adf_cleanup_accel(struct adf_accel_dev *accel_dev)
+{
+	struct adf_accel_pci *accel_pci_dev = &accel_dev->accel_pci_dev;
+	struct adf_accel_dev *pf;
+	int i;
+
+	for (i = 0; i < ADF_PCI_MAX_BARS; i++) {
+		struct adf_bar *bar = &accel_pci_dev->pci_bars[i];
+
+		if (bar->virt_addr)
+			pci_iounmap(accel_pci_dev->pci_dev, bar->virt_addr);
+	}
+
+	if (accel_dev->hw_device) {
+		switch (accel_pci_dev->pci_dev->device) {
+		case PCI_DEVICE_ID_INTEL_QAT_C62X_VF:
+			adf_clean_hw_data_c62xiov(accel_dev->hw_device);
+			break;
+		default:
+			break;
+		}
+		kfree(accel_dev->hw_device);
+		accel_dev->hw_device = NULL;
+	}
+	adf_dbgfs_exit(accel_dev);
+	adf_cfg_dev_remove(accel_dev);
+	pf = adf_devmgr_pci_to_accel_dev(accel_pci_dev->pci_dev->physfn);
+	adf_devmgr_rm_dev(accel_dev, pf);
+}
+
+static int adf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	struct adf_accel_dev *accel_dev;
+	struct adf_accel_dev *pf;
+	struct adf_accel_pci *accel_pci_dev;
+	struct adf_hw_device_data *hw_data;
+	unsigned int i, bar_nr;
+	unsigned long bar_mask;
+	int ret;
+
+	switch (ent->device) {
+	case PCI_DEVICE_ID_INTEL_QAT_C62X_VF:
+		break;
+	default:
+		dev_err(&pdev->dev, "Invalid device 0x%x.\n", ent->device);
+		return -ENODEV;
+	}
+
+	accel_dev = kzalloc_node(sizeof(*accel_dev), GFP_KERNEL,
+				 dev_to_node(&pdev->dev));
+	if (!accel_dev)
+		return -ENOMEM;
+
+	accel_dev->is_vf = true;
+	pf = adf_devmgr_pci_to_accel_dev(pdev->physfn);
+	accel_pci_dev = &accel_dev->accel_pci_dev;
+	accel_pci_dev->pci_dev = pdev;
+
+	/* Add accel device to accel table */
+	if (adf_devmgr_add_dev(accel_dev, pf)) {
+		dev_err(&pdev->dev, "Failed to add new accelerator device.\n");
+		kfree(accel_dev);
+		return -EFAULT;
+	}
+	INIT_LIST_HEAD(&accel_dev->crypto_list);
+
+	accel_dev->owner = THIS_MODULE;
+	/* Allocate and configure device configuration structure */
+	hw_data = kzalloc_node(sizeof(*hw_data), GFP_KERNEL,
+			       dev_to_node(&pdev->dev));
+	if (!hw_data) {
+		ret = -ENOMEM;
+		goto out_err;
+	}
+	accel_dev->hw_device = hw_data;
+	adf_init_hw_data_c62xiov(accel_dev->hw_device);
+
+	/* Get Accelerators and Accelerators Engines masks */
+	hw_data->accel_mask = hw_data->get_accel_mask(hw_data);
+	hw_data->ae_mask = hw_data->get_ae_mask(hw_data);
+	accel_pci_dev->sku = hw_data->get_sku(hw_data);
+
+	/* Create device configuration table */
+	ret = adf_cfg_dev_add(accel_dev);
+	if (ret)
+		goto out_err;
+
+	/* enable PCI device */
+	if (pci_enable_device(pdev)) {
+		ret = -EFAULT;
+		goto out_err;
+	}
+
+	/* set dma identifier */
+	ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(48));
+	if (ret) {
+		dev_err(&pdev->dev, "No usable DMA configuration\n");
+		goto out_err_disable;
+	}
+
+	if (pci_request_regions(pdev, ADF_C62XVF_DEVICE_NAME)) {
+		ret = -EFAULT;
+		goto out_err_disable;
+	}
+
+	/* Find and map all the device's BARS */
+	i = 0;
+	bar_mask = pci_select_bars(pdev, IORESOURCE_MEM);
+	for_each_set_bit(bar_nr, &bar_mask, ADF_PCI_MAX_BARS * 2) {
+		struct adf_bar *bar = &accel_pci_dev->pci_bars[i++];
+
+		bar->base_addr = pci_resource_start(pdev, bar_nr);
+		if (!bar->base_addr)
+			break;
+		bar->size = pci_resource_len(pdev, bar_nr);
+		bar->virt_addr = pci_iomap(accel_pci_dev->pci_dev, bar_nr, 0);
+		if (!bar->virt_addr) {
+			pci_err(pdev, "Failed to map BAR %d\n", bar_nr);
+			ret = -EFAULT;
+			goto out_err_free_reg;
+		}
+	}
+	/* Completion for VF2PF request/response message exchange */
+	init_completion(&accel_dev->vf.msg_received);
+
+	adf_dbgfs_init(accel_dev);
+
+	ret = adf_dev_up(accel_dev, false);
+	if (ret)
+		goto out_err_dev_stop;
+
+	return ret;
+
+out_err_dev_stop:
+	adf_dev_down(accel_dev);
+out_err_free_reg:
+	pci_release_regions(accel_pci_dev->pci_dev);
+out_err_disable:
+	pci_disable_device(accel_pci_dev->pci_dev);
+out_err:
+	adf_cleanup_accel(accel_dev);
+	kfree(accel_dev);
+	return ret;
+}
+
+static void adf_remove(struct pci_dev *pdev)
+{
+	struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev);
+
+	if (!accel_dev) {
+		pr_err("QAT: Driver removal failed\n");
+		return;
+	}
+	adf_flush_vf_wq(accel_dev);
+	adf_dev_down(accel_dev);
+	adf_cleanup_accel(accel_dev);
+	adf_cleanup_pci_dev(accel_dev);
+	kfree(accel_dev);
+}
+
+static int __init adfdrv_init(void)
+{
+	request_module("intel_qat");
+
+	if (pci_register_driver(&adf_driver)) {
+		pr_err("QAT: Driver initialization failed\n");
+		return -EFAULT;
+	}
+	return 0;
+}
+
+static void __exit adfdrv_release(void)
+{
+	pci_unregister_driver(&adf_driver);
+	adf_clean_vf_map(true);
+}
+
+module_init(adfdrv_init);
+module_exit(adfdrv_release);
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_AUTHOR("Intel");
+MODULE_DESCRIPTION("Intel(R) QuickAssist Technology");
+MODULE_IMPORT_NS("CRYPTO_QAT");

linux-7.2.3/drivers/crypto/intel/qat/qat_common/Makefile

@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_CRYPTO_DEV_QAT) += intel_qat.o
+ccflags-y += -DDEFAULT_SYMBOL_NAMESPACE='"CRYPTO_QAT"'
+intel_qat-y := adf_accel_engine.o \
+	adf_admin.o \
+	adf_aer.o \
+	adf_anti_rb.o \
+	adf_bank_state.o \
+	adf_cfg.o \
+	adf_cfg_services.o \
+	adf_clock.o \
+	adf_dc.o \
+	adf_dev_mgr.o \
+	adf_gen2_config.o \
+	adf_gen2_hw_csr_data.o \
+	adf_gen2_hw_data.o \
+	adf_gen4_config.o \
+	adf_gen4_hw_csr_data.o \
+	adf_gen4_hw_data.o \
+	adf_gen4_pm.o \
+	adf_gen4_ras.o \
+	adf_gen4_vf_mig.o \
+	adf_gen6_ras.o \
+	adf_gen6_shared.o \
+	adf_hw_arbiter.o \
+	adf_init.o \
+	adf_isr.o \
+	adf_kpt.o \
+	adf_module.o \
+	adf_mstate_mgr.o \
+	adf_rl_admin.o \
+	adf_rl.o \
+	adf_sysfs.o \
+	adf_sysfs_anti_rb.o \
+	adf_sysfs_kpt.o \
+	adf_sysfs_ras_counters.o \
+	adf_sysfs_rl.o \
+	adf_timer.o \
+	adf_transport.o \
+	qat_algs.o \
+	qat_algs_send.o \
+	qat_asym_algs.o \
+	qat_bl.o \
+	qat_comp_algs.o \
+	qat_compression.o \
+	qat_comp_zstd_utils.o \
+	qat_crypto.o \
+	qat_hal.o \
+	qat_mig_dev.o \
+	qat_uclo.o
+
+intel_qat-$(CONFIG_DEBUG_FS) += adf_cnv_dbgfs.o \
+				adf_dbgfs.o \
+				adf_fw_counters.o \
+				adf_gen4_pm_debugfs.o \
+				adf_gen4_tl.o \
+				adf_gen6_pm_dbgfs.o \
+				adf_gen6_tl.o \
+				adf_heartbeat_dbgfs.o \
+				adf_heartbeat.o \
+				adf_pm_dbgfs.o \
+				adf_pm_dbgfs_utils.o \
+				adf_telemetry.o \
+				adf_tl_debugfs.o \
+				adf_transport_debug.o
+
+intel_qat-$(CONFIG_PCI_IOV) += adf_gen2_pfvf.o adf_gen4_pfvf.o \
+			       adf_pfvf_pf_msg.o adf_pfvf_pf_proto.o \
+			       adf_pfvf_utils.o adf_pfvf_vf_msg.o \
+			       adf_pfvf_vf_proto.o adf_sriov.o adf_vf_isr.o
+
+intel_qat-$(CONFIG_CRYPTO_DEV_QAT_ERROR_INJECTION) += adf_heartbeat_inject.o

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_accel_devices.h

@@ -0,0 +1,501 @@
+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
+/* Copyright(c) 2014 - 2020 Intel Corporation */
+#ifndef ADF_ACCEL_DEVICES_H_
+#define ADF_ACCEL_DEVICES_H_
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/list.h>
+#include <linux/io.h>
+#include <linux/pci.h>
+#include <linux/ratelimit.h>
+#include <linux/types.h>
+#include <linux/qat/qat_mig_dev.h>
+#include <linux/wordpart.h>
+#include "adf_anti_rb.h"
+#include "adf_cfg_common.h"
+#include "adf_dc.h"
+#include "adf_kpt.h"
+#include "adf_rl.h"
+#include "adf_telemetry.h"
+#include "adf_pfvf_msg.h"
+#include "icp_qat_hw.h"
+
+#define ADF_DH895XCC_DEVICE_NAME "dh895xcc"
+#define ADF_DH895XCCVF_DEVICE_NAME "dh895xccvf"
+#define ADF_C62X_DEVICE_NAME "c6xx"
+#define ADF_C62XVF_DEVICE_NAME "c6xxvf"
+#define ADF_C3XXX_DEVICE_NAME "c3xxx"
+#define ADF_C3XXXVF_DEVICE_NAME "c3xxxvf"
+#define ADF_4XXX_DEVICE_NAME "4xxx"
+#define ADF_420XX_DEVICE_NAME "420xx"
+#define ADF_6XXX_DEVICE_NAME "6xxx"
+#define PCI_DEVICE_ID_INTEL_QAT_4XXXIOV 0x4941
+#define PCI_DEVICE_ID_INTEL_QAT_401XXIOV 0x4943
+#define PCI_DEVICE_ID_INTEL_QAT_402XXIOV 0x4945
+#define PCI_DEVICE_ID_INTEL_QAT_420XXIOV 0x4947
+#define PCI_DEVICE_ID_INTEL_QAT_6XXX_IOV 0x4949
+
+#define ADF_DEVICE_FUSECTL_OFFSET 0x40
+#define ADF_DEVICE_LEGFUSE_OFFSET 0x4C
+#define ADF_DEVICE_FUSECTL_MASK 0x80000000
+#define ADF_PCI_MAX_BARS 3
+#define ADF_DEVICE_NAME_LENGTH 32
+#define ADF_ETR_MAX_RINGS_PER_BANK 16
+#define ADF_MAX_MSIX_VECTOR_NAME 48
+#define ADF_DEVICE_NAME_PREFIX "qat_"
+
+enum adf_accel_capabilities {
+	ADF_ACCEL_CAPABILITIES_NULL = 0,
+	ADF_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC = 1,
+	ADF_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC = 2,
+	ADF_ACCEL_CAPABILITIES_CIPHER = 4,
+	ADF_ACCEL_CAPABILITIES_AUTHENTICATION = 8,
+	ADF_ACCEL_CAPABILITIES_COMPRESSION = 32,
+	ADF_ACCEL_CAPABILITIES_LZS_COMPRESSION = 64,
+	ADF_ACCEL_CAPABILITIES_RANDOM_NUMBER = 128
+};
+
+enum adf_accel_capabilities_ext {
+	ADF_ACCEL_CAPABILITIES_EXT_ZSTD_LZ4S = BIT(0),
+	ADF_ACCEL_CAPABILITIES_EXT_ZSTD = BIT(1),
+};
+
+enum adf_fuses {
+	ADF_FUSECTL0,
+	ADF_FUSECTL1,
+	ADF_FUSECTL2,
+	ADF_FUSECTL3,
+	ADF_FUSECTL4,
+	ADF_FUSECTL5,
+	ADF_MAX_FUSES
+};
+
+struct adf_bar {
+	resource_size_t base_addr;
+	void __iomem *virt_addr;
+	resource_size_t size;
+};
+
+struct adf_irq {
+	bool enabled;
+	char name[ADF_MAX_MSIX_VECTOR_NAME];
+};
+
+struct adf_accel_msix {
+	struct adf_irq *irqs;
+	u32 num_entries;
+};
+
+struct adf_accel_pci {
+	struct pci_dev *pci_dev;
+	struct adf_accel_msix msix_entries;
+	struct adf_bar pci_bars[ADF_PCI_MAX_BARS];
+	u8 revid;
+	u8 sku;
+};
+
+enum dev_state {
+	DEV_DOWN = 0,
+	DEV_UP
+};
+
+enum dev_sku_info {
+	DEV_SKU_1 = 0,
+	DEV_SKU_2,
+	DEV_SKU_3,
+	DEV_SKU_4,
+	DEV_SKU_VF,
+	DEV_SKU_UNKNOWN,
+};
+
+enum ras_errors {
+	ADF_RAS_CORR,
+	ADF_RAS_UNCORR,
+	ADF_RAS_FATAL,
+	ADF_RAS_ERRORS,
+};
+
+struct adf_error_counters {
+	atomic_t counter[ADF_RAS_ERRORS];
+	bool sysfs_added;
+	bool enabled;
+};
+
+static inline const char *get_sku_info(enum dev_sku_info info)
+{
+	switch (info) {
+	case DEV_SKU_1:
+		return "SKU1";
+	case DEV_SKU_2:
+		return "SKU2";
+	case DEV_SKU_3:
+		return "SKU3";
+	case DEV_SKU_4:
+		return "SKU4";
+	case DEV_SKU_VF:
+		return "SKUVF";
+	case DEV_SKU_UNKNOWN:
+	default:
+		break;
+	}
+	return "Unknown SKU";
+}
+
+struct adf_hw_device_class {
+	const char *name;
+	const enum adf_device_type type;
+	u32 instances;
+};
+
+struct arb_info {
+	u32 arb_cfg;
+	u32 arb_offset;
+	u32 wt2sam_offset;
+};
+
+struct admin_info {
+	u32 admin_msg_ur;
+	u32 admin_msg_lr;
+	u32 mailbox_offset;
+};
+
+struct adf_bank_state;
+
+struct adf_hw_csr_ops {
+	u64 (*build_csr_ring_base_addr)(dma_addr_t addr, u32 size);
+	u32 (*read_csr_ring_head)(void __iomem *csr_base_addr, u32 bank,
+				  u32 ring);
+	void (*write_csr_ring_head)(void __iomem *csr_base_addr, u32 bank,
+				    u32 ring, u32 value);
+	u32 (*read_csr_ring_tail)(void __iomem *csr_base_addr, u32 bank,
+				  u32 ring);
+	void (*write_csr_ring_tail)(void __iomem *csr_base_addr, u32 bank,
+				    u32 ring, u32 value);
+	u32 (*read_csr_stat)(void __iomem *csr_base_addr, u32 bank);
+	u32 (*read_csr_uo_stat)(void __iomem *csr_base_addr, u32 bank);
+	u32 (*read_csr_e_stat)(void __iomem *csr_base_addr, u32 bank);
+	u32 (*read_csr_ne_stat)(void __iomem *csr_base_addr, u32 bank);
+	u32 (*read_csr_nf_stat)(void __iomem *csr_base_addr, u32 bank);
+	u32 (*read_csr_f_stat)(void __iomem *csr_base_addr, u32 bank);
+	u32 (*read_csr_c_stat)(void __iomem *csr_base_addr, u32 bank);
+	u32 (*read_csr_exp_stat)(void __iomem *csr_base_addr, u32 bank);
+	u32 (*read_csr_exp_int_en)(void __iomem *csr_base_addr, u32 bank);
+	void (*write_csr_exp_int_en)(void __iomem *csr_base_addr, u32 bank,
+				     u32 value);
+	u32 (*read_csr_ring_config)(void __iomem *csr_base_addr, u32 bank,
+				    u32 ring);
+	void (*write_csr_ring_config)(void __iomem *csr_base_addr, u32 bank,
+				      u32 ring, u32 value);
+	dma_addr_t (*read_csr_ring_base)(void __iomem *csr_base_addr, u32 bank,
+					 u32 ring);
+	void (*write_csr_ring_base)(void __iomem *csr_base_addr, u32 bank,
+				    u32 ring, dma_addr_t addr);
+	u32 (*read_csr_int_en)(void __iomem *csr_base_addr, u32 bank);
+	void (*write_csr_int_en)(void __iomem *csr_base_addr, u32 bank,
+				 u32 value);
+	u32 (*read_csr_int_flag)(void __iomem *csr_base_addr, u32 bank);
+	void (*write_csr_int_flag)(void __iomem *csr_base_addr, u32 bank,
+				   u32 value);
+	u32 (*read_csr_int_srcsel)(void __iomem *csr_base_addr, u32 bank);
+	void (*write_csr_int_srcsel)(void __iomem *csr_base_addr, u32 bank);
+	void (*write_csr_int_srcsel_w_val)(void __iomem *csr_base_addr,
+					   u32 bank, u32 value);
+	u32 (*read_csr_int_col_en)(void __iomem *csr_base_addr, u32 bank);
+	void (*write_csr_int_col_en)(void __iomem *csr_base_addr, u32 bank,
+				     u32 value);
+	u32 (*read_csr_int_col_ctl)(void __iomem *csr_base_addr, u32 bank);
+	void (*write_csr_int_col_ctl)(void __iomem *csr_base_addr, u32 bank,
+				      u32 value);
+	u32 (*read_csr_int_flag_and_col)(void __iomem *csr_base_addr,
+					 u32 bank);
+	void (*write_csr_int_flag_and_col)(void __iomem *csr_base_addr,
+					   u32 bank, u32 value);
+	u32 (*read_csr_ring_srv_arb_en)(void __iomem *csr_base_addr, u32 bank);
+	void (*write_csr_ring_srv_arb_en)(void __iomem *csr_base_addr, u32 bank,
+					  u32 value);
+	u32 (*get_int_col_ctl_enable_mask)(void);
+};
+
+struct adf_cfg_device_data;
+struct adf_accel_dev;
+struct adf_etr_data;
+struct adf_etr_ring_data;
+
+struct adf_ras_ops {
+	void (*enable_ras_errors)(struct adf_accel_dev *accel_dev);
+	void (*disable_ras_errors)(struct adf_accel_dev *accel_dev);
+	bool (*handle_interrupt)(struct adf_accel_dev *accel_dev,
+				 bool *reset_required);
+};
+
+struct adf_pfvf_ops {
+	int (*enable_comms)(struct adf_accel_dev *accel_dev);
+	u32 (*get_pf2vf_offset)(u32 i);
+	u32 (*get_vf2pf_offset)(u32 i);
+	void (*enable_vf2pf_interrupts)(void __iomem *pmisc_addr, u32 vf_mask);
+	void (*disable_all_vf2pf_interrupts)(void __iomem *pmisc_addr);
+	u32 (*disable_pending_vf2pf_interrupts)(void __iomem *pmisc_addr);
+	int (*send_msg)(struct adf_accel_dev *accel_dev, struct pfvf_message msg,
+			u32 pfvf_offset, struct mutex *csr_lock);
+	struct pfvf_message (*recv_msg)(struct adf_accel_dev *accel_dev,
+					u32 pfvf_offset, u8 compat_ver);
+};
+
+struct adf_dc_ops {
+	int (*build_comp_block)(void *ctx, enum adf_dc_algo algo);
+	int (*build_decomp_block)(void *ctx, enum adf_dc_algo algo);
+};
+
+struct qat_migdev_ops {
+	int (*init)(struct qat_mig_dev *mdev);
+	void (*cleanup)(struct qat_mig_dev *mdev);
+	void (*reset)(struct qat_mig_dev *mdev);
+	int (*open)(struct qat_mig_dev *mdev);
+	void (*close)(struct qat_mig_dev *mdev);
+	int (*suspend)(struct qat_mig_dev *mdev);
+	int (*resume)(struct qat_mig_dev *mdev);
+	int (*save_state)(struct qat_mig_dev *mdev);
+	int (*save_setup)(struct qat_mig_dev *mdev);
+	int (*load_state)(struct qat_mig_dev *mdev);
+	int (*load_setup)(struct qat_mig_dev *mdev, int size);
+};
+
+struct adf_dev_err_mask {
+	u32 cppagentcmdpar_mask;
+	u32 parerr_ath_cph_mask;
+	u32 parerr_cpr_xlt_mask;
+	u32 parerr_dcpr_ucs_mask;
+	u32 parerr_pke_mask;
+	u32 parerr_wat_wcp_mask;
+	u32 ssmfeatren_mask;
+};
+
+struct adf_hw_device_data {
+	struct adf_hw_device_class *dev_class;
+	u32 (*get_accel_mask)(struct adf_hw_device_data *self);
+	u32 (*get_ae_mask)(struct adf_hw_device_data *self);
+	u32 (*get_accel_cap)(struct adf_accel_dev *accel_dev);
+	u32 (*get_sram_bar_id)(struct adf_hw_device_data *self);
+	u32 (*get_misc_bar_id)(struct adf_hw_device_data *self);
+	u32 (*get_etr_bar_id)(struct adf_hw_device_data *self);
+	u32 (*get_num_aes)(struct adf_hw_device_data *self);
+	u32 (*get_num_accels)(struct adf_hw_device_data *self);
+	void (*get_arb_info)(struct arb_info *arb_csrs_info);
+	void (*get_admin_info)(struct admin_info *admin_csrs_info);
+	enum dev_sku_info (*get_sku)(struct adf_hw_device_data *self);
+	u16 (*get_ring_to_svc_map)(struct adf_accel_dev *accel_dev);
+	int (*alloc_irq)(struct adf_accel_dev *accel_dev);
+	void (*free_irq)(struct adf_accel_dev *accel_dev);
+	void (*enable_error_correction)(struct adf_accel_dev *accel_dev);
+	int (*init_admin_comms)(struct adf_accel_dev *accel_dev);
+	void (*exit_admin_comms)(struct adf_accel_dev *accel_dev);
+	int (*send_admin_init)(struct adf_accel_dev *accel_dev);
+	int (*start_timer)(struct adf_accel_dev *accel_dev);
+	void (*stop_timer)(struct adf_accel_dev *accel_dev);
+	void (*check_hb_ctrs)(struct adf_accel_dev *accel_dev);
+	uint32_t (*get_hb_clock)(struct adf_hw_device_data *self);
+	int (*measure_clock)(struct adf_accel_dev *accel_dev);
+	int (*init_arb)(struct adf_accel_dev *accel_dev);
+	void (*exit_arb)(struct adf_accel_dev *accel_dev);
+	const u32 *(*get_arb_mapping)(struct adf_accel_dev *accel_dev);
+	int (*init_device)(struct adf_accel_dev *accel_dev);
+	int (*enable_pm)(struct adf_accel_dev *accel_dev);
+	bool (*handle_pm_interrupt)(struct adf_accel_dev *accel_dev);
+	void (*disable_iov)(struct adf_accel_dev *accel_dev);
+	void (*configure_iov_threads)(struct adf_accel_dev *accel_dev,
+				      bool enable);
+	void (*enable_ints)(struct adf_accel_dev *accel_dev);
+	void (*set_ssm_wdtimer)(struct adf_accel_dev *accel_dev);
+	int (*ring_pair_reset)(struct adf_accel_dev *accel_dev, u32 bank_nr);
+	int (*bank_state_save)(struct adf_accel_dev *accel_dev, u32 bank_number,
+			       struct adf_bank_state *state);
+	int (*bank_state_restore)(struct adf_accel_dev *accel_dev,
+				  u32 bank_number, struct adf_bank_state *state);
+	void (*reset_device)(struct adf_accel_dev *accel_dev);
+	void (*set_msix_rttable)(struct adf_accel_dev *accel_dev);
+	const char *(*uof_get_name)(struct adf_accel_dev *accel_dev, u32 obj_num);
+	u32 (*uof_get_num_objs)(struct adf_accel_dev *accel_dev);
+	int (*uof_get_obj_type)(struct adf_accel_dev *accel_dev, u32 obj_num);
+	u32 (*uof_get_ae_mask)(struct adf_accel_dev *accel_dev, u32 obj_num);
+	int (*get_rp_group)(struct adf_accel_dev *accel_dev, u32 ae_mask);
+	u32 (*get_ena_thd_mask)(struct adf_accel_dev *accel_dev, u32 obj_num);
+	int (*dev_config)(struct adf_accel_dev *accel_dev);
+	bool (*services_supported)(unsigned long mask);
+	u32 (*get_svc_slice_cnt)(struct adf_accel_dev *accel_dev,
+				 enum adf_base_services svc);
+	struct adf_pfvf_ops pfvf_ops;
+	struct adf_hw_csr_ops csr_ops;
+	struct adf_dc_ops dc_ops;
+	struct adf_ras_ops ras_ops;
+	struct adf_dev_err_mask dev_err_mask;
+	struct adf_rl_hw_data rl_data;
+	struct adf_tl_hw_data tl_data;
+	struct adf_anti_rb_hw_data anti_rb_data;
+	struct adf_kpt_hw_data kpt_data;
+	struct qat_migdev_ops vfmig_ops;
+	const char *fw_name;
+	const char *fw_mmp_name;
+	u32 fuses[ADF_MAX_FUSES];
+	u32 straps;
+	u32 accel_capabilities_mask;
+	u32 accel_capabilities_ext_mask;
+	u32 extended_dc_capabilities;
+	u16 fw_capabilities;
+	u32 clock_frequency;
+	u32 instance_id;
+	u16 accel_mask;
+	u32 ae_mask;
+	u32 admin_ae_mask;
+	u16 tx_rings_mask;
+	u16 ring_to_svc_map;
+	u32 thd_to_arb_map[ICP_QAT_HW_AE_DELIMITER];
+	u8 tx_rx_gap;
+	u8 num_banks;
+	u16 num_banks_per_vf;
+	u8 num_rings_per_bank;
+	u8 num_accel;
+	u8 num_logical_accel;
+	u8 num_engines;
+	u32 num_hb_ctrs;
+	u8 num_rps;
+};
+
+/* CSR write macro */
+#define ADF_CSR_WR(csr_base, csr_offset, val) \
+	__raw_writel(val, csr_base + csr_offset)
+/*
+ * CSR write macro to handle cases where the high and low
+ * offsets are sparsely located.
+ */
+#define ADF_CSR_WR64_LO_HI(csr_base, csr_low_offset, csr_high_offset, val)	\
+do {										\
+	ADF_CSR_WR(csr_base, csr_low_offset, lower_32_bits(val));		\
+	ADF_CSR_WR(csr_base, csr_high_offset, upper_32_bits(val));		\
+} while (0)
+
+/* CSR read macro */
+#define ADF_CSR_RD(csr_base, csr_offset) __raw_readl(csr_base + csr_offset)
+
+#define ADF_CFG_NUM_SERVICES	4
+#define ADF_SRV_TYPE_BIT_LEN	3
+#define ADF_SRV_TYPE_MASK	0x7
+#define ADF_AE_ADMIN_THREAD	7
+#define ADF_NUM_THREADS_PER_AE	8
+#define ADF_NUM_PKE_STRAND	2
+#define ADF_AE_STRAND0_THREAD	8
+#define ADF_AE_STRAND1_THREAD	9
+
+#define GET_DEV(accel_dev) ((accel_dev)->accel_pci_dev.pci_dev->dev)
+#define GET_BARS(accel_dev) ((accel_dev)->accel_pci_dev.pci_bars)
+#define GET_HW_DATA(accel_dev) (accel_dev->hw_device)
+#define GET_MAX_BANKS(accel_dev) (GET_HW_DATA(accel_dev)->num_banks)
+#define GET_NUM_RINGS_PER_BANK(accel_dev) \
+	GET_HW_DATA(accel_dev)->num_rings_per_bank
+#define GET_SRV_TYPE(accel_dev, idx) \
+	(((GET_HW_DATA(accel_dev)->ring_to_svc_map) >> (ADF_SRV_TYPE_BIT_LEN * (idx))) \
+	& ADF_SRV_TYPE_MASK)
+#define GET_ERR_MASK(accel_dev) (&GET_HW_DATA(accel_dev)->dev_err_mask)
+#define GET_MAX_ACCELENGINES(accel_dev) (GET_HW_DATA(accel_dev)->num_engines)
+#define GET_CSR_OPS(accel_dev) (&(accel_dev)->hw_device->csr_ops)
+#define GET_PFVF_OPS(accel_dev) (&(accel_dev)->hw_device->pfvf_ops)
+#define GET_DC_OPS(accel_dev) (&(accel_dev)->hw_device->dc_ops)
+#define GET_VFMIG_OPS(accel_dev) (&(accel_dev)->hw_device->vfmig_ops)
+#define GET_TL_DATA(accel_dev) GET_HW_DATA(accel_dev)->tl_data
+#define accel_to_pci_dev(accel_ptr) accel_ptr->accel_pci_dev.pci_dev
+
+struct adf_admin_comms;
+struct icp_qat_fw_loader_handle;
+struct adf_fw_loader_data {
+	struct icp_qat_fw_loader_handle *fw_loader;
+	const struct firmware *uof_fw;
+	const struct firmware *mmp_fw;
+};
+
+struct adf_accel_vf_info {
+	struct adf_accel_dev *accel_dev;
+	struct mutex pf2vf_lock; /* protect CSR access for PF2VF messages */
+	struct mutex pfvf_mig_lock; /* protects PFVF state for migration */
+	struct ratelimit_state vf2pf_ratelimit;
+	u32 vf_nr;
+	bool init;
+	bool restarting;
+	u8 vf_compat_ver;
+	/*
+	 * Private area used for device migration.
+	 * Memory allocation and free is managed by migration driver.
+	 */
+	void *mig_priv;
+};
+
+struct adf_dc_data {
+	u8 *ovf_buff;
+	size_t ovf_buff_sz;
+	dma_addr_t ovf_buff_p;
+};
+
+struct adf_pm {
+	struct dentry *debugfs_pm_status;
+	bool present;
+	int idle_irq_counters;
+	int throttle_irq_counters;
+	int fw_irq_counters;
+	int host_ack_counter;
+	int host_nack_counter;
+	ssize_t (*print_pm_status)(struct adf_accel_dev *accel_dev,
+				   char __user *buf, size_t count, loff_t *pos);
+};
+
+struct adf_sysfs {
+	int ring_num;
+	struct rw_semaphore lock; /* protects access to the fields in this struct */
+};
+
+struct adf_accel_dev {
+	struct adf_etr_data *transport;
+	struct adf_hw_device_data *hw_device;
+	struct adf_cfg_device_data *cfg;
+	struct adf_fw_loader_data *fw_loader;
+	struct adf_admin_comms *admin;
+	struct adf_telemetry *telemetry;
+	struct adf_dc_data *dc_data;
+	struct adf_pm power_management;
+	struct list_head crypto_list;
+	struct list_head compression_list;
+	unsigned long status;
+	atomic_t ref_count;
+	struct dentry *debugfs_dir;
+	struct dentry *fw_cntr_dbgfile;
+	struct dentry *cnv_dbgfile;
+	struct list_head list;
+	struct module *owner;
+	struct adf_accel_pci accel_pci_dev;
+	struct adf_timer *timer;
+	struct adf_heartbeat *heartbeat;
+	struct adf_rl *rate_limiting;
+	struct adf_sysfs sysfs;
+	union {
+		struct {
+			/* protects VF2PF interrupts access */
+			spinlock_t vf2pf_ints_lock;
+			/* prevents VF2PF handling from racing with VF state teardown */
+			bool vf2pf_disabled;
+			/* vf_info is non-zero when SR-IOV is init'ed */
+			struct adf_accel_vf_info *vf_info;
+		} pf;
+		struct {
+			bool irq_enabled;
+			char irq_name[ADF_MAX_MSIX_VECTOR_NAME];
+			struct tasklet_struct pf2vf_bh_tasklet;
+			struct mutex vf2pf_lock; /* protect CSR access */
+			struct completion msg_received;
+			struct pfvf_message response; /* temp field holding pf2vf response */
+			u8 pf_compat_ver;
+		} vf;
+	};
+	struct adf_error_counters ras_errors;
+	struct mutex state_lock; /* protect state of the device */
+	bool is_vf;
+	bool autoreset_on_error;
+	u32 accel_id;
+};
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_accel_engine.c

@@ -0,0 +1,219 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2014 - 2020 Intel Corporation */
+#include <linux/delay.h>
+#include <linux/firmware.h>
+#include <linux/pci.h>
+#include "adf_cfg.h"
+#include "adf_accel_devices.h"
+#include "adf_common_drv.h"
+#include "icp_qat_uclo.h"
+
+static int adf_ae_fw_load_images(struct adf_accel_dev *accel_dev, void *fw_addr,
+				 u32 fw_size)
+{
+	struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
+	struct adf_hw_device_data *hw_device = accel_dev->hw_device;
+	struct icp_qat_fw_loader_handle *loader;
+	const char *obj_name;
+	u32 num_objs;
+	u32 ae_mask;
+	int i;
+
+	loader = loader_data->fw_loader;
+	num_objs = hw_device->uof_get_num_objs(accel_dev);
+
+	for (i = 0; i < num_objs; i++) {
+		obj_name = hw_device->uof_get_name(accel_dev, i);
+		ae_mask = hw_device->uof_get_ae_mask(accel_dev, i);
+		if (!obj_name || !ae_mask) {
+			dev_err(&GET_DEV(accel_dev), "Invalid UOF image\n");
+			goto out_err;
+		}
+
+		if (qat_uclo_set_cfg_ae_mask(loader, ae_mask)) {
+			dev_err(&GET_DEV(accel_dev),
+				"Invalid mask for UOF image\n");
+			goto out_err;
+		}
+		if (qat_uclo_map_obj(loader, fw_addr, fw_size, obj_name)) {
+			dev_err(&GET_DEV(accel_dev),
+				"Failed to map UOF firmware\n");
+			goto out_err;
+		}
+		if (qat_uclo_wr_all_uimage(loader)) {
+			dev_err(&GET_DEV(accel_dev),
+				"Failed to load UOF firmware\n");
+			goto out_err;
+		}
+		qat_uclo_del_obj(loader);
+	}
+
+	return 0;
+
+out_err:
+	adf_ae_fw_release(accel_dev);
+	return -EFAULT;
+}
+
+int adf_ae_fw_load(struct adf_accel_dev *accel_dev)
+{
+	struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
+	struct adf_hw_device_data *hw_device = accel_dev->hw_device;
+	void *fw_addr, *mmp_addr;
+	u32 fw_size, mmp_size;
+
+	if (!hw_device->fw_name)
+		return 0;
+
+	if (request_firmware(&loader_data->mmp_fw, hw_device->fw_mmp_name,
+			     &accel_dev->accel_pci_dev.pci_dev->dev)) {
+		dev_err(&GET_DEV(accel_dev), "Failed to load MMP firmware %s\n",
+			hw_device->fw_mmp_name);
+		return -EFAULT;
+	}
+	if (request_firmware(&loader_data->uof_fw, hw_device->fw_name,
+			     &accel_dev->accel_pci_dev.pci_dev->dev)) {
+		dev_err(&GET_DEV(accel_dev), "Failed to load UOF firmware %s\n",
+			hw_device->fw_name);
+		goto out_err;
+	}
+
+	fw_size = loader_data->uof_fw->size;
+	fw_addr = (void *)loader_data->uof_fw->data;
+	mmp_size = loader_data->mmp_fw->size;
+	mmp_addr = (void *)loader_data->mmp_fw->data;
+
+	if (qat_uclo_wr_mimage(loader_data->fw_loader, mmp_addr, mmp_size)) {
+		dev_err(&GET_DEV(accel_dev), "Failed to load MMP\n");
+		goto out_err;
+	}
+
+	if (hw_device->uof_get_num_objs)
+		return adf_ae_fw_load_images(accel_dev, fw_addr, fw_size);
+
+	if (qat_uclo_map_obj(loader_data->fw_loader, fw_addr, fw_size, NULL)) {
+		dev_err(&GET_DEV(accel_dev), "Failed to map FW\n");
+		goto out_err;
+	}
+	if (qat_uclo_wr_all_uimage(loader_data->fw_loader)) {
+		dev_err(&GET_DEV(accel_dev), "Failed to load UOF\n");
+		goto out_err;
+	}
+	return 0;
+
+out_err:
+	adf_ae_fw_release(accel_dev);
+	return -EFAULT;
+}
+
+void adf_ae_fw_release(struct adf_accel_dev *accel_dev)
+{
+	struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
+	struct adf_hw_device_data *hw_device = accel_dev->hw_device;
+
+	if (!hw_device->fw_name)
+		return;
+
+	qat_uclo_del_obj(loader_data->fw_loader);
+	qat_hal_deinit(loader_data->fw_loader);
+	release_firmware(loader_data->uof_fw);
+	release_firmware(loader_data->mmp_fw);
+	loader_data->uof_fw = NULL;
+	loader_data->mmp_fw = NULL;
+	loader_data->fw_loader = NULL;
+}
+
+int adf_ae_start(struct adf_accel_dev *accel_dev)
+{
+	struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
+	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
+	u32 ae_ctr;
+
+	if (!hw_data->fw_name)
+		return 0;
+
+	ae_ctr = qat_hal_start(loader_data->fw_loader);
+	dev_info(&GET_DEV(accel_dev),
+		 "qat_dev%d started %d acceleration engines\n",
+		 accel_dev->accel_id, ae_ctr);
+	return 0;
+}
+
+int adf_ae_stop(struct adf_accel_dev *accel_dev)
+{
+	struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
+	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
+	u32 ae_ctr, ae, max_aes = GET_MAX_ACCELENGINES(accel_dev);
+
+	if (!hw_data->fw_name)
+		return 0;
+
+	for (ae = 0, ae_ctr = 0; ae < max_aes; ae++) {
+		if (hw_data->ae_mask & (1 << ae)) {
+			qat_hal_stop(loader_data->fw_loader, ae, 0xFF);
+			ae_ctr++;
+		}
+	}
+	dev_info(&GET_DEV(accel_dev),
+		 "qat_dev%d stopped %d acceleration engines\n",
+		 accel_dev->accel_id, ae_ctr);
+	return 0;
+}
+
+static int adf_ae_reset(struct adf_accel_dev *accel_dev, int ae)
+{
+	struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
+	unsigned long reset_delay;
+
+	qat_hal_reset(loader_data->fw_loader);
+
+	reset_delay = loader_data->fw_loader->chip_info->reset_delay_us;
+	if (reset_delay)
+		fsleep(reset_delay);
+
+	if (qat_hal_clr_reset(loader_data->fw_loader))
+		return -EFAULT;
+
+	return 0;
+}
+
+int adf_ae_init(struct adf_accel_dev *accel_dev)
+{
+	struct adf_fw_loader_data *loader_data;
+	struct adf_hw_device_data *hw_device = accel_dev->hw_device;
+
+	if (!hw_device->fw_name)
+		return 0;
+
+	loader_data = kzalloc_obj(*loader_data);
+	if (!loader_data)
+		return -ENOMEM;
+
+	accel_dev->fw_loader = loader_data;
+	if (qat_hal_init(accel_dev)) {
+		dev_err(&GET_DEV(accel_dev), "Failed to init the AEs\n");
+		kfree(loader_data);
+		return -EFAULT;
+	}
+	if (adf_ae_reset(accel_dev, 0)) {
+		dev_err(&GET_DEV(accel_dev), "Failed to reset the AEs\n");
+		qat_hal_deinit(loader_data->fw_loader);
+		kfree(loader_data);
+		return -EFAULT;
+	}
+	return 0;
+}
+
+int adf_ae_shutdown(struct adf_accel_dev *accel_dev)
+{
+	struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
+	struct adf_hw_device_data *hw_device = accel_dev->hw_device;
+
+	if (!hw_device->fw_name)
+		return 0;
+
+	qat_hal_deinit(loader_data->fw_loader);
+	kfree(accel_dev->fw_loader);
+	accel_dev->fw_loader = NULL;
+	return 0;
+}

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_admin.c

@@ -0,0 +1,719 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2014 - 2020 Intel Corporation */
+#include <linux/types.h>
+#include <linux/mutex.h>
+#include <linux/slab.h>
+#include <linux/iopoll.h>
+#include <linux/pci.h>
+#include <linux/dma-mapping.h>
+#include <linux/delay.h>
+#include "adf_accel_devices.h"
+#include "adf_admin.h"
+#include "adf_anti_rb.h"
+#include "adf_common_drv.h"
+#include "adf_cfg.h"
+#include "adf_heartbeat.h"
+#include "adf_kpt.h"
+#include "icp_qat_fw_init_admin.h"
+
+#define ADF_ADMIN_MAILBOX_STRIDE 0x1000
+#define ADF_ADMINMSG_LEN 32
+#define ADF_CONST_TABLE_SIZE 1024
+#define ADF_ADMIN_POLL_DELAY_US 20
+#define ADF_ADMIN_POLL_TIMEOUT_US (5 * USEC_PER_SEC)
+#define ADF_ONE_AE 1
+#define ADF_ADMIN_RETRY_MAX 60
+
+static const u8 const_tab[1024] __aligned(1024) = {
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x03, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x01,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0x02, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x13, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13,
+0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x33, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76,
+0x54, 0x32, 0x10, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x67, 0x45, 0x23, 0x01, 0xef, 0xcd, 0xab,
+0x89, 0x98, 0xba, 0xdc, 0xfe, 0x10, 0x32, 0x54, 0x76, 0xc3, 0xd2, 0xe1, 0xf0,
+0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc1, 0x05, 0x9e,
+0xd8, 0x36, 0x7c, 0xd5, 0x07, 0x30, 0x70, 0xdd, 0x17, 0xf7, 0x0e, 0x59, 0x39,
+0xff, 0xc0, 0x0b, 0x31, 0x68, 0x58, 0x15, 0x11, 0x64, 0xf9, 0x8f, 0xa7, 0xbe,
+0xfa, 0x4f, 0xa4, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+
+struct adf_admin_comms {
+	dma_addr_t phy_addr;
+	dma_addr_t const_tbl_addr;
+	void *virt_addr;
+	void *virt_tbl_addr;
+	void __iomem *mailbox_addr;
+	struct mutex lock;	/* protects adf_admin_comms struct */
+};
+
+static int adf_put_admin_msg_sync(struct adf_accel_dev *accel_dev, u32 ae,
+				  void *in, void *out)
+{
+	int ret;
+	u32 status;
+	struct adf_admin_comms *admin = accel_dev->admin;
+	int offset = ae * ADF_ADMINMSG_LEN * 2;
+	void __iomem *mailbox = admin->mailbox_addr;
+	int mb_offset = ae * ADF_ADMIN_MAILBOX_STRIDE;
+	struct icp_qat_fw_init_admin_req *request = in;
+
+	mutex_lock(&admin->lock);
+
+	if (ADF_CSR_RD(mailbox, mb_offset) == 1) {
+		mutex_unlock(&admin->lock);
+		return -EAGAIN;
+	}
+
+	memcpy(admin->virt_addr + offset, in, ADF_ADMINMSG_LEN);
+	ADF_CSR_WR(mailbox, mb_offset, 1);
+
+	ret = read_poll_timeout(ADF_CSR_RD, status, status == 0,
+				ADF_ADMIN_POLL_DELAY_US,
+				ADF_ADMIN_POLL_TIMEOUT_US, true,
+				mailbox, mb_offset);
+	if (ret < 0) {
+		/* Response timeout */
+		dev_err(&GET_DEV(accel_dev),
+			"Failed to send admin msg %d to accelerator %d\n",
+			request->cmd_id, ae);
+	} else {
+		/* Response received from admin message, we can now
+		 * make response data available in "out" parameter.
+		 */
+		memcpy(out, admin->virt_addr + offset +
+		       ADF_ADMINMSG_LEN, ADF_ADMINMSG_LEN);
+	}
+
+	mutex_unlock(&admin->lock);
+	return ret;
+}
+
+static int adf_send_admin(struct adf_accel_dev *accel_dev,
+			  struct icp_qat_fw_init_admin_req *req,
+			  struct icp_qat_fw_init_admin_resp *resp,
+			  const unsigned long ae_mask)
+{
+	u32 ae;
+
+	for_each_set_bit(ae, &ae_mask, ICP_QAT_HW_AE_DELIMITER)
+		if (adf_put_admin_msg_sync(accel_dev, ae, req, resp) ||
+		    resp->status)
+			return -EFAULT;
+
+	return 0;
+}
+
+static int adf_init_ae(struct adf_accel_dev *accel_dev)
+{
+	struct icp_qat_fw_init_admin_req req;
+	struct icp_qat_fw_init_admin_resp resp;
+	struct adf_hw_device_data *hw_device = accel_dev->hw_device;
+	u32 ae_mask = hw_device->ae_mask;
+
+	memset(&req, 0, sizeof(req));
+	memset(&resp, 0, sizeof(resp));
+	req.cmd_id = ICP_QAT_FW_INIT_AE;
+
+	return adf_send_admin(accel_dev, &req, &resp, ae_mask);
+}
+
+static int adf_set_fw_constants(struct adf_accel_dev *accel_dev)
+{
+	struct icp_qat_fw_init_admin_req req;
+	struct icp_qat_fw_init_admin_resp resp;
+	struct adf_hw_device_data *hw_device = accel_dev->hw_device;
+	u32 ae_mask = hw_device->admin_ae_mask ?: hw_device->ae_mask;
+
+	memset(&req, 0, sizeof(req));
+	memset(&resp, 0, sizeof(resp));
+	req.cmd_id = ICP_QAT_FW_CONSTANTS_CFG;
+
+	req.init_cfg_sz = ADF_CONST_TABLE_SIZE;
+	req.init_cfg_ptr = accel_dev->admin->const_tbl_addr;
+
+	return adf_send_admin(accel_dev, &req, &resp, ae_mask);
+}
+
+int adf_get_fw_timestamp(struct adf_accel_dev *accel_dev, u64 *timestamp)
+{
+	struct icp_qat_fw_init_admin_req req = { };
+	struct icp_qat_fw_init_admin_resp resp;
+	unsigned int ae_mask = ADF_ONE_AE;
+	int ret;
+
+	req.cmd_id = ICP_QAT_FW_TIMER_GET;
+	ret = adf_send_admin(accel_dev, &req, &resp, ae_mask);
+	if (ret)
+		return ret;
+
+	*timestamp = resp.timestamp;
+	return 0;
+}
+
+static int adf_set_chaining(struct adf_accel_dev *accel_dev)
+{
+	u32 ae_mask = GET_HW_DATA(accel_dev)->ae_mask;
+	struct icp_qat_fw_init_admin_resp resp = { };
+	struct icp_qat_fw_init_admin_req req = { };
+
+	req.cmd_id = ICP_QAT_FW_DC_CHAIN_INIT;
+
+	return adf_send_admin(accel_dev, &req, &resp, ae_mask);
+}
+
+static int adf_get_dc_capabilities(struct adf_accel_dev *accel_dev,
+				   u32 *capabilities)
+{
+	struct adf_hw_device_data *hw_device = accel_dev->hw_device;
+	struct icp_qat_fw_init_admin_resp resp;
+	struct icp_qat_fw_init_admin_req req;
+	unsigned long ae_mask;
+	unsigned long ae;
+	int ret;
+
+	/* Target only service accelerator engines */
+	ae_mask = hw_device->ae_mask & ~hw_device->admin_ae_mask;
+
+	memset(&req, 0, sizeof(req));
+	memset(&resp, 0, sizeof(resp));
+	req.cmd_id = ICP_QAT_FW_COMP_CAPABILITY_GET;
+
+	*capabilities = 0;
+	for_each_set_bit(ae, &ae_mask, GET_MAX_ACCELENGINES(accel_dev)) {
+		ret = adf_send_admin(accel_dev, &req, &resp, 1ULL << ae);
+		if (ret)
+			return ret;
+
+		*capabilities |= resp.extended_features;
+	}
+
+	return 0;
+}
+
+int adf_get_ae_fw_counters(struct adf_accel_dev *accel_dev, u16 ae, u64 *reqs, u64 *resps)
+{
+	struct icp_qat_fw_init_admin_resp resp = { };
+	struct icp_qat_fw_init_admin_req req = { };
+	int ret;
+
+	req.cmd_id = ICP_QAT_FW_COUNTERS_GET;
+
+	ret = adf_put_admin_msg_sync(accel_dev, ae, &req, &resp);
+	if (ret || resp.status)
+		return -EFAULT;
+
+	*reqs = resp.req_rec_count;
+	*resps = resp.resp_sent_count;
+
+	return 0;
+}
+
+int adf_send_admin_tim_sync(struct adf_accel_dev *accel_dev, u32 cnt)
+{
+	u32 ae_mask = accel_dev->hw_device->ae_mask;
+	struct icp_qat_fw_init_admin_req req = { };
+	struct icp_qat_fw_init_admin_resp resp = { };
+
+	req.cmd_id = ICP_QAT_FW_SYNC;
+	req.int_timer_ticks = cnt;
+
+	return adf_send_admin(accel_dev, &req, &resp, ae_mask);
+}
+
+int adf_send_admin_hb_timer(struct adf_accel_dev *accel_dev, uint32_t ticks)
+{
+	u32 ae_mask = accel_dev->hw_device->ae_mask;
+	struct icp_qat_fw_init_admin_req req = { };
+	struct icp_qat_fw_init_admin_resp resp;
+
+	req.cmd_id = ICP_QAT_FW_HEARTBEAT_TIMER_SET;
+	req.init_cfg_ptr = accel_dev->heartbeat->dma.phy_addr;
+	req.heartbeat_ticks = ticks;
+
+	return adf_send_admin(accel_dev, &req, &resp, ae_mask);
+}
+
+static bool is_dcc_enabled(struct adf_accel_dev *accel_dev)
+{
+	char services[ADF_CFG_MAX_VAL_LEN_IN_BYTES] = {0};
+	int ret;
+
+	ret = adf_cfg_get_param_value(accel_dev, ADF_GENERAL_SEC,
+				      ADF_SERVICES_ENABLED, services);
+	if (ret)
+		return false;
+
+	return !strcmp(services, "dcc");
+}
+
+static int adf_get_fw_capabilities(struct adf_accel_dev *accel_dev, u16 *caps)
+{
+	u32 ae_mask = accel_dev->hw_device->admin_ae_mask;
+	struct icp_qat_fw_init_admin_resp resp = { };
+	struct icp_qat_fw_init_admin_req req = { };
+	int ret;
+
+	if (!ae_mask)
+		return 0;
+
+	req.cmd_id = ICP_QAT_FW_CAPABILITIES_GET;
+	ret = adf_send_admin(accel_dev, &req, &resp, ae_mask);
+	if (ret)
+		return ret;
+
+	*caps = resp.fw_capabilities;
+
+	return 0;
+}
+
+int adf_send_admin_rl_init(struct adf_accel_dev *accel_dev,
+			   struct icp_qat_fw_init_admin_slice_cnt *slices)
+{
+	u32 ae_mask = accel_dev->hw_device->admin_ae_mask;
+	struct icp_qat_fw_init_admin_resp resp = { };
+	struct icp_qat_fw_init_admin_req req = { };
+	int ret;
+
+	req.cmd_id = ICP_QAT_FW_RL_INIT;
+
+	ret = adf_send_admin(accel_dev, &req, &resp, ae_mask);
+	if (ret)
+		return ret;
+
+	memcpy(slices, &resp.slices, sizeof(*slices));
+
+	return 0;
+}
+
+int adf_send_admin_rl_add_update(struct adf_accel_dev *accel_dev,
+				 struct icp_qat_fw_init_admin_req *req)
+{
+	u32 ae_mask = accel_dev->hw_device->admin_ae_mask;
+	struct icp_qat_fw_init_admin_resp resp = { };
+
+	/*
+	 * req struct filled in rl implementation. Used commands
+	 * ICP_QAT_FW_RL_ADD for a new SLA
+	 * ICP_QAT_FW_RL_UPDATE for update SLA
+	 */
+	return adf_send_admin(accel_dev, req, &resp, ae_mask);
+}
+
+int adf_send_admin_rl_delete(struct adf_accel_dev *accel_dev, u16 node_id,
+			     u8 node_type)
+{
+	u32 ae_mask = accel_dev->hw_device->admin_ae_mask;
+	struct icp_qat_fw_init_admin_resp resp = { };
+	struct icp_qat_fw_init_admin_req req = { };
+
+	req.cmd_id = ICP_QAT_FW_RL_REMOVE;
+	req.node_id = node_id;
+	req.node_type = node_type;
+
+	return adf_send_admin(accel_dev, &req, &resp, ae_mask);
+}
+
+/**
+ * adf_send_admin_init() - Function sends init message to FW
+ * @accel_dev: Pointer to acceleration device.
+ *
+ * Function sends admin init message to the FW
+ *
+ * Return: 0 on success, error code otherwise.
+ */
+int adf_send_admin_init(struct adf_accel_dev *accel_dev)
+{
+	struct adf_hw_device_data *hw_data = GET_HW_DATA(accel_dev);
+	u32 dc_capabilities = 0;
+	int ret;
+
+	ret = adf_set_fw_constants(accel_dev);
+	if (ret)
+		return ret;
+
+	if (is_dcc_enabled(accel_dev)) {
+		ret = adf_set_chaining(accel_dev);
+		if (ret)
+			return ret;
+	}
+
+	ret = adf_get_dc_capabilities(accel_dev, &dc_capabilities);
+	if (ret) {
+		dev_err(&GET_DEV(accel_dev), "Cannot get dc capabilities\n");
+		return ret;
+	}
+	accel_dev->hw_device->extended_dc_capabilities = dc_capabilities;
+
+	adf_get_fw_capabilities(accel_dev, &hw_data->fw_capabilities);
+
+	return adf_init_ae(accel_dev);
+}
+EXPORT_SYMBOL_GPL(adf_send_admin_init);
+
+/**
+ * adf_init_admin_pm() - Function sends PM init message to FW
+ * @accel_dev: Pointer to acceleration device.
+ * @idle_delay: QAT HW idle time before power gating is initiated.
+ *		000 - 64us
+ *		001 - 128us
+ *		010 - 256us
+ *		011 - 512us
+ *		100 - 1ms
+ *		101 - 2ms
+ *		110 - 4ms
+ *		111 - 8ms
+ *
+ * Function sends to the FW the admin init message for the PM state
+ * configuration.
+ *
+ * Return: 0 on success, error code otherwise.
+ */
+int adf_init_admin_pm(struct adf_accel_dev *accel_dev, u32 idle_delay)
+{
+	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
+	struct icp_qat_fw_init_admin_resp resp = {0};
+	struct icp_qat_fw_init_admin_req req = {0};
+	u32 ae_mask = hw_data->admin_ae_mask;
+
+	if (!accel_dev->admin) {
+		dev_err(&GET_DEV(accel_dev), "adf_admin is not available\n");
+		return -EFAULT;
+	}
+
+	req.cmd_id = ICP_QAT_FW_PM_STATE_CONFIG;
+	req.idle_filter = idle_delay;
+
+	return adf_send_admin(accel_dev, &req, &resp, ae_mask);
+}
+EXPORT_SYMBOL_GPL(adf_init_admin_pm);
+
+int adf_get_pm_info(struct adf_accel_dev *accel_dev, dma_addr_t p_state_addr,
+		    size_t buff_size)
+{
+	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
+	struct icp_qat_fw_init_admin_req req = { };
+	struct icp_qat_fw_init_admin_resp resp;
+	u32 ae_mask = hw_data->admin_ae_mask;
+	int ret;
+
+	/* Query pm info via init/admin cmd */
+	if (!accel_dev->admin) {
+		dev_err(&GET_DEV(accel_dev), "adf_admin is not available\n");
+		return -EFAULT;
+	}
+
+	req.cmd_id = ICP_QAT_FW_PM_INFO;
+	req.init_cfg_sz = buff_size;
+	req.init_cfg_ptr = p_state_addr;
+
+	ret = adf_send_admin(accel_dev, &req, &resp, ae_mask);
+	if (ret)
+		dev_err(&GET_DEV(accel_dev),
+			"Failed to query power-management info\n");
+
+	return ret;
+}
+
+int adf_get_cnv_stats(struct adf_accel_dev *accel_dev, u16 ae, u16 *err_cnt,
+		      u16 *latest_err)
+{
+	struct icp_qat_fw_init_admin_req req = { };
+	struct icp_qat_fw_init_admin_resp resp;
+	int ret;
+
+	req.cmd_id = ICP_QAT_FW_CNV_STATS_GET;
+
+	ret = adf_put_admin_msg_sync(accel_dev, ae, &req, &resp);
+	if (ret)
+		return ret;
+	if (resp.status)
+		return -EPROTONOSUPPORT;
+
+	*err_cnt = resp.error_count;
+	*latest_err = resp.latest_error;
+
+	return ret;
+}
+
+int adf_send_admin_tl_start(struct adf_accel_dev *accel_dev,
+			    dma_addr_t tl_dma_addr, size_t layout_sz, u8 *rp_indexes,
+			    struct icp_qat_fw_init_admin_slice_cnt *slice_count)
+{
+	u32 ae_mask = GET_HW_DATA(accel_dev)->admin_ae_mask;
+	struct icp_qat_fw_init_admin_resp resp = { };
+	struct icp_qat_fw_init_admin_req req = { };
+	int ret;
+
+	req.cmd_id = ICP_QAT_FW_TL_START;
+	req.init_cfg_ptr = tl_dma_addr;
+	req.init_cfg_sz = layout_sz;
+
+	if (rp_indexes)
+		memcpy(&req.rp_indexes, rp_indexes, sizeof(req.rp_indexes));
+
+	ret = adf_send_admin(accel_dev, &req, &resp, ae_mask);
+	if (ret)
+		return ret;
+
+	memcpy(slice_count, &resp.slices, sizeof(*slice_count));
+
+	return 0;
+}
+
+int adf_send_admin_tl_stop(struct adf_accel_dev *accel_dev)
+{
+	struct adf_hw_device_data *hw_data = GET_HW_DATA(accel_dev);
+	struct icp_qat_fw_init_admin_resp resp = { };
+	struct icp_qat_fw_init_admin_req req = { };
+	u32 ae_mask = hw_data->admin_ae_mask;
+
+	req.cmd_id = ICP_QAT_FW_TL_STOP;
+
+	return adf_send_admin(accel_dev, &req, &resp, ae_mask);
+}
+
+static int adf_send_admin_retry(struct adf_accel_dev *accel_dev, u8 cmd_id,
+				struct icp_qat_fw_init_admin_resp *resp,
+				unsigned int sleep_ms)
+{
+	u32 admin_ae_mask = GET_HW_DATA(accel_dev)->admin_ae_mask;
+	struct icp_qat_fw_init_admin_req req = { };
+	unsigned int retries = ADF_ADMIN_RETRY_MAX;
+	int ret;
+
+	req.cmd_id = cmd_id;
+
+	do {
+		ret = adf_send_admin(accel_dev, &req, resp, admin_ae_mask);
+		if (!ret)
+			return 0;
+
+		if (resp->status != ICP_QAT_FW_INIT_RESP_STATUS_RETRY)
+			return ret;
+
+		msleep(sleep_ms);
+	} while (--retries);
+
+	return -ETIMEDOUT;
+}
+
+static int adf_send_admin_svn(struct adf_accel_dev *accel_dev, u8 cmd_id,
+			      struct icp_qat_fw_init_admin_resp *resp)
+{
+	return adf_send_admin_retry(accel_dev, cmd_id, resp, ADF_SVN_RETRY_MS);
+}
+
+int adf_send_admin_arb_query(struct adf_accel_dev *accel_dev, int cmd, u8 *svn)
+{
+	struct icp_qat_fw_init_admin_resp resp = { };
+	int ret;
+
+	ret = adf_send_admin_svn(accel_dev, ICP_QAT_FW_SVN_READ, &resp);
+	if (ret)
+		return ret;
+
+	switch (cmd) {
+	case ARB_ENFORCED_MIN_SVN:
+		*svn = resp.enforced_min_svn;
+		break;
+	case ARB_PERMANENT_MIN_SVN:
+		*svn = resp.permanent_min_svn;
+		break;
+	case ARB_ACTIVE_SVN:
+		*svn = resp.active_svn;
+		break;
+	default:
+		*svn = 0;
+		dev_err(&GET_DEV(accel_dev),
+			"Unknown secure version number request\n");
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+int adf_send_admin_arb_commit(struct adf_accel_dev *accel_dev)
+{
+	struct icp_qat_fw_init_admin_resp resp = { };
+
+	return adf_send_admin_svn(accel_dev, ICP_QAT_FW_SVN_COMMIT, &resp);
+}
+
+static_assert(sizeof(struct icp_qat_fw_init_admin_kpt_cfg) < PAGE_SIZE);
+
+static void adf_cfg_kpt_config(struct adf_accel_dev *accel_dev,
+			       struct icp_qat_fw_init_admin_kpt_cfg *kpt_config)
+{
+	struct adf_kpt_interface_data *user_data = GET_KPT_USER_DATA(accel_dev);
+
+	kpt_config->swk_cnt_per_fn = user_data->swk_cnt_per_fn;
+	kpt_config->swk_cnt_per_pasid = user_data->swk_cnt_per_pasid;
+	kpt_config->swk_ttl_in_secs = user_data->swk_max_ttl;
+	kpt_config->swk_shared_disable = !user_data->swk_shared;
+}
+
+int adf_send_admin_kpt_init(struct adf_accel_dev *accel_dev, void *init_cfg,
+			    size_t init_cfg_sz, dma_addr_t init_ptr)
+{
+	struct icp_qat_fw_init_admin_kpt_cfg *kpt_config = init_cfg;
+	u32 ae_mask = GET_HW_DATA(accel_dev)->admin_ae_mask;
+	struct icp_qat_fw_init_admin_resp resp = { };
+	struct icp_qat_fw_init_admin_req req = { };
+	int ret;
+
+	if (!kpt_config || init_cfg_sz < sizeof(*kpt_config))
+		return -EINVAL;
+
+	adf_cfg_kpt_config(accel_dev, kpt_config);
+
+	req.cmd_id = ICP_QAT_FW_KPT_ENABLE;
+	req.init_cfg_ptr = init_ptr;
+	req.init_cfg_sz = sizeof(*kpt_config);
+
+	ret = adf_send_admin(accel_dev, &req, &resp, ae_mask);
+	if (ret)
+		dev_err(&GET_DEV(accel_dev), "Failed to send KPT init admin message\n");
+
+	return ret;
+}
+
+int adf_init_admin_comms(struct adf_accel_dev *accel_dev)
+{
+	struct adf_admin_comms *admin;
+	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
+	void __iomem *pmisc_addr = adf_get_pmisc_base(accel_dev);
+	struct admin_info admin_csrs_info;
+	u32 mailbox_offset, adminmsg_u, adminmsg_l;
+	void __iomem *mailbox;
+	u64 reg_val;
+
+	admin = kzalloc_node(sizeof(*accel_dev->admin), GFP_KERNEL,
+			     dev_to_node(&GET_DEV(accel_dev)));
+	if (!admin)
+		return -ENOMEM;
+	admin->virt_addr = dma_alloc_coherent(&GET_DEV(accel_dev), PAGE_SIZE,
+					      &admin->phy_addr, GFP_KERNEL);
+	if (!admin->virt_addr) {
+		dev_err(&GET_DEV(accel_dev), "Failed to allocate dma buff\n");
+		kfree(admin);
+		return -ENOMEM;
+	}
+
+	admin->virt_tbl_addr = dma_alloc_coherent(&GET_DEV(accel_dev),
+						  PAGE_SIZE,
+						  &admin->const_tbl_addr,
+						  GFP_KERNEL);
+	if (!admin->virt_tbl_addr) {
+		dev_err(&GET_DEV(accel_dev), "Failed to allocate const_tbl\n");
+		dma_free_coherent(&GET_DEV(accel_dev), PAGE_SIZE,
+				  admin->virt_addr, admin->phy_addr);
+		kfree(admin);
+		return -ENOMEM;
+	}
+
+	memcpy(admin->virt_tbl_addr, const_tab, sizeof(const_tab));
+	hw_data->get_admin_info(&admin_csrs_info);
+
+	mailbox_offset = admin_csrs_info.mailbox_offset;
+	mailbox = pmisc_addr + mailbox_offset;
+	adminmsg_u = admin_csrs_info.admin_msg_ur;
+	adminmsg_l = admin_csrs_info.admin_msg_lr;
+
+	reg_val = (u64)admin->phy_addr;
+	ADF_CSR_WR(pmisc_addr, adminmsg_u, upper_32_bits(reg_val));
+	ADF_CSR_WR(pmisc_addr, adminmsg_l, lower_32_bits(reg_val));
+
+	mutex_init(&admin->lock);
+	admin->mailbox_addr = mailbox;
+	accel_dev->admin = admin;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(adf_init_admin_comms);
+
+void adf_exit_admin_comms(struct adf_accel_dev *accel_dev)
+{
+	struct adf_admin_comms *admin = accel_dev->admin;
+
+	if (!admin)
+		return;
+
+	if (admin->virt_addr)
+		dma_free_coherent(&GET_DEV(accel_dev), PAGE_SIZE,
+				  admin->virt_addr, admin->phy_addr);
+	if (admin->virt_tbl_addr)
+		dma_free_coherent(&GET_DEV(accel_dev), PAGE_SIZE,
+				  admin->virt_tbl_addr, admin->const_tbl_addr);
+
+	mutex_destroy(&admin->lock);
+	kfree(admin);
+	accel_dev->admin = NULL;
+}
+EXPORT_SYMBOL_GPL(adf_exit_admin_comms);

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_admin.h

@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright(c) 2023 Intel Corporation */
+#ifndef ADF_ADMIN
+#define ADF_ADMIN
+
+#include "icp_qat_fw_init_admin.h"
+
+struct adf_accel_dev;
+
+int adf_init_admin_comms(struct adf_accel_dev *accel_dev);
+void adf_exit_admin_comms(struct adf_accel_dev *accel_dev);
+int adf_send_admin_init(struct adf_accel_dev *accel_dev);
+int adf_get_ae_fw_counters(struct adf_accel_dev *accel_dev, u16 ae, u64 *reqs, u64 *resps);
+int adf_init_admin_pm(struct adf_accel_dev *accel_dev, u32 idle_delay);
+int adf_send_admin_tim_sync(struct adf_accel_dev *accel_dev, u32 cnt);
+int adf_send_admin_hb_timer(struct adf_accel_dev *accel_dev, uint32_t ticks);
+int adf_send_admin_rl_init(struct adf_accel_dev *accel_dev,
+			   struct icp_qat_fw_init_admin_slice_cnt *slices);
+int adf_send_admin_rl_add_update(struct adf_accel_dev *accel_dev,
+				 struct icp_qat_fw_init_admin_req *req);
+int adf_send_admin_rl_delete(struct adf_accel_dev *accel_dev, u16 node_id,
+			     u8 node_type);
+int adf_get_fw_timestamp(struct adf_accel_dev *accel_dev, u64 *timestamp);
+int adf_get_pm_info(struct adf_accel_dev *accel_dev, dma_addr_t p_state_addr, size_t buff_size);
+int adf_get_cnv_stats(struct adf_accel_dev *accel_dev, u16 ae, u16 *err_cnt, u16 *latest_err);
+int adf_send_admin_tl_start(struct adf_accel_dev *accel_dev,
+			    dma_addr_t tl_dma_addr, size_t layout_sz, u8 *rp_indexes,
+			    struct icp_qat_fw_init_admin_slice_cnt *slice_count);
+int adf_send_admin_tl_stop(struct adf_accel_dev *accel_dev);
+int adf_send_admin_arb_query(struct adf_accel_dev *accel_dev, int cmd, u8 *svn);
+int adf_send_admin_arb_commit(struct adf_accel_dev *accel_dev);
+int adf_send_admin_kpt_init(struct adf_accel_dev *accel_dev, void *init_cfg,
+			    size_t init_cfg_sz, dma_addr_t init_ptr);
+
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_aer.c

@@ -0,0 +1,342 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2014 - 2020 Intel Corporation */
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/completion.h>
+#include <linux/workqueue.h>
+#include <linux/delay.h>
+#include "adf_accel_devices.h"
+#include "adf_common_drv.h"
+#include "adf_pfvf_pf_msg.h"
+
+struct adf_fatal_error_data {
+	struct adf_accel_dev *accel_dev;
+	struct work_struct work;
+};
+
+static struct workqueue_struct *device_reset_wq;
+static struct workqueue_struct *device_sriov_wq;
+
+static pci_ers_result_t reset_prepare(struct pci_dev *pdev)
+{
+	struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev);
+
+	if (!accel_dev) {
+		pci_err(pdev, "Can't find acceleration device\n");
+		return PCI_ERS_RESULT_DISCONNECT;
+	}
+
+	if (!adf_dev_started(accel_dev))
+		return PCI_ERS_RESULT_CAN_RECOVER;
+
+	set_bit(ADF_STATUS_RESTARTING, &accel_dev->status);
+	if (accel_dev->hw_device->exit_arb) {
+		dev_dbg(&pdev->dev, "Disabling arbitration\n");
+		accel_dev->hw_device->exit_arb(accel_dev);
+	}
+	adf_dev_restarting_notify(accel_dev);
+	adf_dev_down(accel_dev);
+
+	return PCI_ERS_RESULT_NEED_RESET;
+}
+
+static pci_ers_result_t reset_done(struct pci_dev *pdev)
+{
+	struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev);
+	int res;
+
+	if (!accel_dev) {
+		pci_err(pdev, "Can't find acceleration device\n");
+		return PCI_ERS_RESULT_DISCONNECT;
+	}
+
+	if (!adf_devmgr_in_reset(accel_dev))
+		goto reset_complete;
+
+	pci_restore_state(pdev);
+	res = adf_dev_up(accel_dev, false);
+	if (res && res != -EALREADY)
+		return PCI_ERS_RESULT_DISCONNECT;
+
+	adf_reenable_sriov(accel_dev);
+	adf_pf2vf_notify_restarted(accel_dev);
+	adf_dev_restarted_notify(accel_dev);
+	clear_bit(ADF_STATUS_RESTARTING, &accel_dev->status);
+
+reset_complete:
+	pci_info(pdev, "Device reset completed successfully\n");
+
+	return PCI_ERS_RESULT_RECOVERED;
+}
+
+static pci_ers_result_t adf_error_detected(struct pci_dev *pdev,
+					   pci_channel_state_t state)
+{
+	struct adf_accel_dev *accel_dev = adf_devmgr_pci_to_accel_dev(pdev);
+
+	pci_info(pdev, "Acceleration driver hardware error detected.\n");
+	if (!accel_dev) {
+		pci_err(pdev, "Can't find acceleration device\n");
+		return PCI_ERS_RESULT_DISCONNECT;
+	}
+
+	if (state == pci_channel_io_perm_failure) {
+		pci_err(pdev, "Can't recover from device error\n");
+		return PCI_ERS_RESULT_DISCONNECT;
+	}
+
+	adf_error_notifier(accel_dev);
+	adf_pf2vf_notify_fatal_error(accel_dev);
+
+	return reset_prepare(pdev);
+}
+
+/* reset dev data */
+struct adf_reset_dev_data {
+	int mode;
+	struct adf_accel_dev *accel_dev;
+	struct completion compl;
+	struct work_struct reset_work;
+};
+
+/* sriov dev data */
+struct adf_sriov_dev_data {
+	struct adf_accel_dev *accel_dev;
+	struct completion compl;
+	struct work_struct sriov_work;
+};
+
+void adf_reset_sbr(struct adf_accel_dev *accel_dev)
+{
+	struct pci_dev *pdev = accel_to_pci_dev(accel_dev);
+	struct pci_dev *parent = pdev->bus->self;
+	u16 bridge_ctl = 0;
+
+	if (!parent)
+		parent = pdev;
+
+	if (!pci_wait_for_pending_transaction(pdev))
+		pci_info(pdev, "Transaction still in progress. Proceeding\n");
+
+	pci_info(pdev, "Secondary bus reset\n");
+
+	pci_read_config_word(parent, PCI_BRIDGE_CONTROL, &bridge_ctl);
+	bridge_ctl |= PCI_BRIDGE_CTL_BUS_RESET;
+	pci_write_config_word(parent, PCI_BRIDGE_CONTROL, bridge_ctl);
+	msleep(100);
+	bridge_ctl &= ~PCI_BRIDGE_CTL_BUS_RESET;
+	pci_write_config_word(parent, PCI_BRIDGE_CONTROL, bridge_ctl);
+	msleep(100);
+}
+EXPORT_SYMBOL_GPL(adf_reset_sbr);
+
+void adf_reset_flr(struct adf_accel_dev *accel_dev)
+{
+	pcie_flr(accel_to_pci_dev(accel_dev));
+}
+EXPORT_SYMBOL_GPL(adf_reset_flr);
+
+void adf_dev_restore(struct adf_accel_dev *accel_dev)
+{
+	struct adf_hw_device_data *hw_device = accel_dev->hw_device;
+	struct pci_dev *pdev = accel_to_pci_dev(accel_dev);
+
+	if (hw_device->reset_device) {
+		dev_info(&GET_DEV(accel_dev), "Resetting device qat_dev%d\n",
+			 accel_dev->accel_id);
+		hw_device->reset_device(accel_dev);
+		pci_restore_state(pdev);
+	}
+}
+
+void adf_set_bme(struct adf_accel_dev *accel_dev)
+{
+	struct pci_dev *pdev = accel_to_pci_dev(accel_dev);
+
+	pci_set_master(pdev);
+}
+
+static void adf_device_sriov_worker(struct work_struct *work)
+{
+	struct adf_sriov_dev_data *sriov_data =
+		container_of(work, struct adf_sriov_dev_data, sriov_work);
+
+	adf_reenable_sriov(sriov_data->accel_dev);
+	complete(&sriov_data->compl);
+}
+
+static void adf_device_reset_worker(struct work_struct *work)
+{
+	struct adf_reset_dev_data *reset_data =
+		  container_of(work, struct adf_reset_dev_data, reset_work);
+	struct adf_accel_dev *accel_dev = reset_data->accel_dev;
+	unsigned long wait_jiffies = msecs_to_jiffies(10000);
+	struct adf_sriov_dev_data sriov_data;
+
+	adf_dev_restarting_notify(accel_dev);
+	if (adf_dev_restart(accel_dev)) {
+		/* The device hanged and we can't restart it so stop here */
+		dev_err(&GET_DEV(accel_dev), "Restart device failed\n");
+		if (reset_data->mode == ADF_DEV_RESET_ASYNC)
+			kfree(reset_data);
+		WARN(1, "QAT: device restart failed. Device is unusable\n");
+		return;
+	}
+
+	sriov_data.accel_dev = accel_dev;
+	init_completion(&sriov_data.compl);
+	INIT_WORK(&sriov_data.sriov_work, adf_device_sriov_worker);
+	queue_work(device_sriov_wq, &sriov_data.sriov_work);
+	if (wait_for_completion_timeout(&sriov_data.compl, wait_jiffies))
+		adf_pf2vf_notify_restarted(accel_dev);
+
+	adf_dev_restarted_notify(accel_dev);
+	clear_bit(ADF_STATUS_RESTARTING, &accel_dev->status);
+
+	/* The dev is back alive. Notify the caller if in sync mode */
+	if (reset_data->mode == ADF_DEV_RESET_ASYNC)
+		kfree(reset_data);
+	else
+		complete(&reset_data->compl);
+}
+
+static int adf_dev_aer_schedule_reset(struct adf_accel_dev *accel_dev,
+				      enum adf_dev_reset_mode mode)
+{
+	struct adf_reset_dev_data *reset_data;
+
+	if (!adf_dev_started(accel_dev) ||
+	    test_and_set_bit(ADF_STATUS_RESTARTING, &accel_dev->status))
+		return 0;
+
+	reset_data = kzalloc_obj(*reset_data);
+	if (!reset_data) {
+		clear_bit(ADF_STATUS_RESTARTING, &accel_dev->status);
+		return -ENOMEM;
+	}
+	reset_data->accel_dev = accel_dev;
+	init_completion(&reset_data->compl);
+	reset_data->mode = mode;
+	INIT_WORK(&reset_data->reset_work, adf_device_reset_worker);
+	queue_work(device_reset_wq, &reset_data->reset_work);
+
+	/* If in sync mode wait for the result */
+	if (mode == ADF_DEV_RESET_SYNC) {
+		int ret = 0;
+		/* Maximum device reset time is 10 seconds */
+		unsigned long wait_jiffies = msecs_to_jiffies(10000);
+		unsigned long timeout = wait_for_completion_timeout(
+				   &reset_data->compl, wait_jiffies);
+		if (!timeout) {
+			dev_err(&GET_DEV(accel_dev),
+				"Reset device timeout expired\n");
+			cancel_work_sync(&reset_data->reset_work);
+			ret = -EFAULT;
+		}
+		kfree(reset_data);
+		return ret;
+	}
+	return 0;
+}
+
+static pci_ers_result_t adf_slot_reset(struct pci_dev *pdev)
+{
+	return reset_done(pdev);
+}
+
+static void adf_resume(struct pci_dev *pdev)
+{
+	pci_info(pdev, "Acceleration driver reset completed\n");
+	pci_info(pdev, "Device is up and running\n");
+}
+
+static void adf_reset_prepare(struct pci_dev *pdev)
+{
+	reset_prepare(pdev);
+}
+
+static void adf_reset_done(struct pci_dev *pdev)
+{
+	reset_done(pdev);
+}
+
+const struct pci_error_handlers adf_err_handler = {
+	.error_detected = adf_error_detected,
+	.slot_reset = adf_slot_reset,
+	.resume = adf_resume,
+	.reset_prepare = adf_reset_prepare,
+	.reset_done = adf_reset_done,
+};
+EXPORT_SYMBOL_GPL(adf_err_handler);
+
+static int adf_dev_autoreset(struct adf_accel_dev *accel_dev)
+{
+	if (accel_dev->autoreset_on_error)
+		return adf_dev_aer_schedule_reset(accel_dev, ADF_DEV_RESET_ASYNC);
+
+	return 0;
+}
+
+static void adf_notify_fatal_error_worker(struct work_struct *work)
+{
+	struct adf_fatal_error_data *wq_data =
+			container_of(work, struct adf_fatal_error_data, work);
+	struct adf_accel_dev *accel_dev = wq_data->accel_dev;
+	struct adf_hw_device_data *hw_device = accel_dev->hw_device;
+
+	adf_error_notifier(accel_dev);
+
+	if (!accel_dev->is_vf) {
+		/* Disable arbitration to stop processing of new requests */
+		if (accel_dev->autoreset_on_error && hw_device->exit_arb)
+			hw_device->exit_arb(accel_dev);
+		if (accel_dev->pf.vf_info)
+			adf_pf2vf_notify_fatal_error(accel_dev);
+		adf_dev_autoreset(accel_dev);
+	}
+
+	kfree(wq_data);
+}
+
+int adf_notify_fatal_error(struct adf_accel_dev *accel_dev)
+{
+	struct adf_fatal_error_data *wq_data;
+
+	wq_data = kzalloc_obj(*wq_data, GFP_ATOMIC);
+	if (!wq_data)
+		return -ENOMEM;
+
+	wq_data->accel_dev = accel_dev;
+	INIT_WORK(&wq_data->work, adf_notify_fatal_error_worker);
+	adf_misc_wq_queue_work(&wq_data->work);
+
+	return 0;
+}
+
+int adf_init_aer(void)
+{
+	device_reset_wq = alloc_workqueue("qat_device_reset_wq",
+					  WQ_MEM_RECLAIM | WQ_PERCPU, 0);
+	if (!device_reset_wq)
+		return -EFAULT;
+
+	device_sriov_wq = alloc_workqueue("qat_device_sriov_wq", WQ_PERCPU, 0);
+	if (!device_sriov_wq) {
+		destroy_workqueue(device_reset_wq);
+		device_reset_wq = NULL;
+		return -EFAULT;
+	}
+
+	return 0;
+}
+
+void adf_exit_aer(void)
+{
+	if (device_reset_wq)
+		destroy_workqueue(device_reset_wq);
+	device_reset_wq = NULL;
+
+	if (device_sriov_wq)
+		destroy_workqueue(device_sriov_wq);
+	device_sriov_wq = NULL;
+}

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_anti_rb.c

@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2026 Intel Corporation */
+#include <linux/bitfield.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/kstrtox.h>
+
+#include "adf_accel_devices.h"
+#include "adf_admin.h"
+#include "adf_anti_rb.h"
+#include "adf_common_drv.h"
+#include "icp_qat_fw_init_admin.h"
+
+#define ADF_SVN_RETRY_MAX	60
+
+int adf_anti_rb_commit(struct adf_accel_dev *accel_dev)
+{
+	return adf_send_admin_arb_commit(accel_dev);
+}
+
+int adf_anti_rb_query(struct adf_accel_dev *accel_dev, enum anti_rb cmd, u8 *svn)
+{
+	return adf_send_admin_arb_query(accel_dev, cmd, svn);
+}
+
+int adf_anti_rb_check(struct pci_dev *pdev)
+{
+	struct adf_anti_rb_hw_data *anti_rb;
+	u32 svncheck_sts, cfc_svncheck_sts;
+	struct adf_accel_dev *accel_dev;
+	void __iomem *pmisc_addr;
+
+	accel_dev = adf_devmgr_pci_to_accel_dev(pdev);
+	if (!accel_dev)
+		return -EINVAL;
+
+	anti_rb = GET_ANTI_RB_DATA(accel_dev);
+	if (!anti_rb->anti_rb_enabled || !anti_rb->anti_rb_enabled(accel_dev))
+		return 0;
+
+	pmisc_addr = adf_get_pmisc_base(accel_dev);
+
+	cfc_svncheck_sts = ADF_CSR_RD(pmisc_addr, anti_rb->svncheck_offset);
+
+	svncheck_sts = FIELD_GET(ADF_SVN_STS_MASK, cfc_svncheck_sts);
+	switch (svncheck_sts) {
+	case ADF_SVN_NO_STS:
+		return 0;
+	case ADF_SVN_PASS_STS:
+		anti_rb->svncheck_retry = 0;
+		return 0;
+	case ADF_SVN_FAIL_STS:
+		dev_err(&GET_DEV(accel_dev), "Security Version Number failure\n");
+		return -EIO;
+	case ADF_SVN_RETRY_STS:
+		if (anti_rb->svncheck_retry++ >= ADF_SVN_RETRY_MAX) {
+			anti_rb->svncheck_retry = 0;
+			return -ETIMEDOUT;
+		}
+		msleep(ADF_SVN_RETRY_MS);
+		return -EAGAIN;
+	default:
+		dev_err(&GET_DEV(accel_dev), "Invalid SVN check status\n");
+		return -EINVAL;
+	}
+}

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_anti_rb.h

@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright(c) 2026 Intel Corporation */
+#ifndef ADF_ANTI_RB_H_
+#define ADF_ANTI_RB_H_
+
+#include <linux/types.h>
+
+#define GET_ANTI_RB_DATA(accel_dev) (&(accel_dev)->hw_device->anti_rb_data)
+
+#define ADF_SVN_NO_STS		0x00
+#define ADF_SVN_PASS_STS	0x01
+#define ADF_SVN_RETRY_STS	0x02
+#define ADF_SVN_FAIL_STS	0x03
+#define ADF_SVN_RETRY_MS	250
+#define ADF_SVN_STS_MASK	GENMASK(7, 0)
+
+enum anti_rb {
+	ARB_ENFORCED_MIN_SVN,
+	ARB_PERMANENT_MIN_SVN,
+	ARB_ACTIVE_SVN,
+};
+
+struct adf_accel_dev;
+struct pci_dev;
+
+struct adf_anti_rb_hw_data {
+	bool (*anti_rb_enabled)(struct adf_accel_dev *accel_dev);
+	u32 svncheck_offset;
+	u32 svncheck_retry;
+	bool sysfs_added;
+};
+
+int adf_anti_rb_commit(struct adf_accel_dev *accel_dev);
+int adf_anti_rb_query(struct adf_accel_dev *accel_dev, enum anti_rb cmd, u8 *svn);
+int adf_anti_rb_check(struct pci_dev *pdev);
+
+#endif /* ADF_ANTI_RB_H_ */

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_bank_state.c

@@ -0,0 +1,238 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2025 Intel Corporation */
+
+#define pr_fmt(fmt)	"QAT: " fmt
+
+#include <linux/bits.h>
+#include <linux/dev_printk.h>
+#include <linux/printk.h>
+#include "adf_accel_devices.h"
+#include "adf_bank_state.h"
+#include "adf_common_drv.h"
+
+/* Ring interrupt masks */
+#define ADF_RP_INT_SRC_SEL_F_RISE_MASK	GENMASK(1, 0)
+#define ADF_RP_INT_SRC_SEL_F_FALL_MASK	GENMASK(2, 0)
+#define ADF_RP_INT_SRC_SEL_RANGE_WIDTH	4
+
+static inline int check_stat(u32 (*op)(void __iomem *, u32), u32 expect_val,
+			     const char *name, void __iomem *base, u32 bank)
+{
+	u32 actual_val = op(base, bank);
+
+	if (expect_val == actual_val)
+		return 0;
+
+	pr_err("Fail to restore %s register. Expected %#x, actual %#x\n",
+	       name, expect_val, actual_val);
+
+	return -EINVAL;
+}
+
+static void bank_state_save(struct adf_hw_csr_ops *ops, void __iomem *base,
+			    u32 bank, struct adf_bank_state *state, u32 num_rings)
+{
+	u32 i;
+
+	state->ringstat0 = ops->read_csr_stat(base, bank);
+	state->ringuostat = ops->read_csr_uo_stat(base, bank);
+	state->ringestat = ops->read_csr_e_stat(base, bank);
+	state->ringnestat = ops->read_csr_ne_stat(base, bank);
+	state->ringnfstat = ops->read_csr_nf_stat(base, bank);
+	state->ringfstat = ops->read_csr_f_stat(base, bank);
+	state->ringcstat0 = ops->read_csr_c_stat(base, bank);
+	state->iaintflagen = ops->read_csr_int_en(base, bank);
+	state->iaintflagreg = ops->read_csr_int_flag(base, bank);
+	state->iaintflagsrcsel0 = ops->read_csr_int_srcsel(base, bank);
+	state->iaintcolen = ops->read_csr_int_col_en(base, bank);
+	state->iaintcolctl = ops->read_csr_int_col_ctl(base, bank);
+	state->iaintflagandcolen = ops->read_csr_int_flag_and_col(base, bank);
+	state->ringexpstat = ops->read_csr_exp_stat(base, bank);
+	state->ringexpintenable = ops->read_csr_exp_int_en(base, bank);
+	state->ringsrvarben = ops->read_csr_ring_srv_arb_en(base, bank);
+
+	for (i = 0; i < num_rings; i++) {
+		state->rings[i].head = ops->read_csr_ring_head(base, bank, i);
+		state->rings[i].tail = ops->read_csr_ring_tail(base, bank, i);
+		state->rings[i].config = ops->read_csr_ring_config(base, bank, i);
+		state->rings[i].base = ops->read_csr_ring_base(base, bank, i);
+	}
+}
+
+static int bank_state_restore(struct adf_hw_csr_ops *ops, void __iomem *base,
+			      u32 bank, struct adf_bank_state *state, u32 num_rings,
+			      int tx_rx_gap)
+{
+	u32 val, tmp_val, i;
+	int ret;
+
+	for (i = 0; i < num_rings; i++)
+		ops->write_csr_ring_base(base, bank, i, state->rings[i].base);
+
+	for (i = 0; i < num_rings; i++)
+		ops->write_csr_ring_config(base, bank, i, state->rings[i].config);
+
+	for (i = 0; i < num_rings / 2; i++) {
+		int tx = i * (tx_rx_gap + 1);
+		int rx = tx + tx_rx_gap;
+
+		ops->write_csr_ring_head(base, bank, tx, state->rings[tx].head);
+		ops->write_csr_ring_tail(base, bank, tx, state->rings[tx].tail);
+
+		/*
+		 * The TX ring head needs to be updated again to make sure that
+		 * the HW will not consider the ring as full when it is empty
+		 * and the correct state flags are set to match the recovered state.
+		 */
+		if (state->ringestat & BIT(tx)) {
+			val = ops->read_csr_int_srcsel(base, bank);
+			val |= ADF_RP_INT_SRC_SEL_F_RISE_MASK;
+			ops->write_csr_int_srcsel_w_val(base, bank, val);
+			ops->write_csr_ring_head(base, bank, tx, state->rings[tx].head);
+		}
+
+		ops->write_csr_ring_tail(base, bank, rx, state->rings[rx].tail);
+		val = ops->read_csr_int_srcsel(base, bank);
+		val |= ADF_RP_INT_SRC_SEL_F_RISE_MASK << ADF_RP_INT_SRC_SEL_RANGE_WIDTH;
+		ops->write_csr_int_srcsel_w_val(base, bank, val);
+
+		ops->write_csr_ring_head(base, bank, rx, state->rings[rx].head);
+		val = ops->read_csr_int_srcsel(base, bank);
+		val |= ADF_RP_INT_SRC_SEL_F_FALL_MASK << ADF_RP_INT_SRC_SEL_RANGE_WIDTH;
+		ops->write_csr_int_srcsel_w_val(base, bank, val);
+
+		/*
+		 * The RX ring tail needs to be updated again to make sure that
+		 * the HW will not consider the ring as empty when it is full
+		 * and the correct state flags are set to match the recovered state.
+		 */
+		if (state->ringfstat & BIT(rx))
+			ops->write_csr_ring_tail(base, bank, rx, state->rings[rx].tail);
+	}
+
+	ops->write_csr_int_flag_and_col(base, bank, state->iaintflagandcolen);
+	ops->write_csr_int_en(base, bank, state->iaintflagen);
+	ops->write_csr_int_col_en(base, bank, state->iaintcolen);
+	ops->write_csr_int_srcsel_w_val(base, bank, state->iaintflagsrcsel0);
+	ops->write_csr_exp_int_en(base, bank, state->ringexpintenable);
+	ops->write_csr_int_col_ctl(base, bank, state->iaintcolctl);
+
+	/*
+	 * Verify whether any exceptions were raised during the bank save process.
+	 * If exceptions occurred, the status and exception registers cannot
+	 * be directly restored. Consequently, further restoration is not
+	 * feasible, and the current state of the ring should be maintained.
+	 */
+	val = state->ringexpstat;
+	if (val) {
+		pr_info("Bank %u state not fully restored due to exception in saved state (%#x)\n",
+			bank, val);
+		return 0;
+	}
+
+	/* Ensure that the restoration process completed without exceptions */
+	tmp_val = ops->read_csr_exp_stat(base, bank);
+	if (tmp_val) {
+		pr_err("Bank %u restored with exception: %#x\n", bank, tmp_val);
+		return -EFAULT;
+	}
+
+	ops->write_csr_ring_srv_arb_en(base, bank, state->ringsrvarben);
+
+	/* Check that all ring statuses match the saved state. */
+	ret = check_stat(ops->read_csr_stat, state->ringstat0, "ringstat",
+			 base, bank);
+	if (ret)
+		return ret;
+
+	ret = check_stat(ops->read_csr_e_stat, state->ringestat, "ringestat",
+			 base, bank);
+	if (ret)
+		return ret;
+
+	ret = check_stat(ops->read_csr_ne_stat, state->ringnestat, "ringnestat",
+			 base, bank);
+	if (ret)
+		return ret;
+
+	ret = check_stat(ops->read_csr_nf_stat, state->ringnfstat, "ringnfstat",
+			 base, bank);
+	if (ret)
+		return ret;
+
+	ret = check_stat(ops->read_csr_f_stat, state->ringfstat, "ringfstat",
+			 base, bank);
+	if (ret)
+		return ret;
+
+	ret = check_stat(ops->read_csr_c_stat, state->ringcstat0, "ringcstat",
+			 base, bank);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+/**
+ * adf_bank_state_save() - save state of bank-related registers
+ * @accel_dev: Pointer to the device structure
+ * @bank_number: Bank number
+ * @state: Pointer to bank state structure
+ *
+ * This function saves the state of a bank by reading the bank CSRs and
+ * writing them in the @state structure.
+ *
+ * Returns 0 on success, error code otherwise
+ */
+int adf_bank_state_save(struct adf_accel_dev *accel_dev, u32 bank_number,
+			struct adf_bank_state *state)
+{
+	struct adf_hw_device_data *hw_data = GET_HW_DATA(accel_dev);
+	struct adf_hw_csr_ops *csr_ops = GET_CSR_OPS(accel_dev);
+	void __iomem *csr_base = adf_get_etr_base(accel_dev);
+
+	if (bank_number >= hw_data->num_banks || !state)
+		return -EINVAL;
+
+	dev_dbg(&GET_DEV(accel_dev), "Saving state of bank %d\n", bank_number);
+
+	bank_state_save(csr_ops, csr_base, bank_number, state,
+			hw_data->num_rings_per_bank);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(adf_bank_state_save);
+
+/**
+ * adf_bank_state_restore() - restore state of bank-related registers
+ * @accel_dev: Pointer to the device structure
+ * @bank_number: Bank number
+ * @state: Pointer to bank state structure
+ *
+ * This function attempts to restore the state of a bank by writing the
+ * bank CSRs to the values in the state structure.
+ *
+ * Returns 0 on success, error code otherwise
+ */
+int adf_bank_state_restore(struct adf_accel_dev *accel_dev, u32 bank_number,
+			   struct adf_bank_state *state)
+{
+	struct adf_hw_device_data *hw_data = GET_HW_DATA(accel_dev);
+	struct adf_hw_csr_ops *csr_ops = GET_CSR_OPS(accel_dev);
+	void __iomem *csr_base = adf_get_etr_base(accel_dev);
+	int ret;
+
+	if (bank_number >= hw_data->num_banks  || !state)
+		return -EINVAL;
+
+	dev_dbg(&GET_DEV(accel_dev), "Restoring state of bank %d\n", bank_number);
+
+	ret = bank_state_restore(csr_ops, csr_base, bank_number, state,
+				 hw_data->num_rings_per_bank, hw_data->tx_rx_gap);
+	if (ret)
+		dev_err(&GET_DEV(accel_dev),
+			"Unable to restore state of bank %d\n", bank_number);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(adf_bank_state_restore);

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_bank_state.h

@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright(c) 2025 Intel Corporation */
+#ifndef ADF_BANK_STATE_H_
+#define ADF_BANK_STATE_H_
+
+#include <linux/types.h>
+
+struct adf_accel_dev;
+
+struct ring_config {
+	u64 base;
+	u32 config;
+	u32 head;
+	u32 tail;
+	u32 reserved0;
+};
+
+struct adf_bank_state {
+	u32 ringstat0;
+	u32 ringstat1;
+	u32 ringuostat;
+	u32 ringestat;
+	u32 ringnestat;
+	u32 ringnfstat;
+	u32 ringfstat;
+	u32 ringcstat0;
+	u32 ringcstat1;
+	u32 ringcstat2;
+	u32 ringcstat3;
+	u32 iaintflagen;
+	u32 iaintflagreg;
+	u32 iaintflagsrcsel0;
+	u32 iaintflagsrcsel1;
+	u32 iaintcolen;
+	u32 iaintcolctl;
+	u32 iaintflagandcolen;
+	u32 ringexpstat;
+	u32 ringexpintenable;
+	u32 ringsrvarben;
+	u32 reserved0;
+	struct ring_config rings[ADF_ETR_MAX_RINGS_PER_BANK];
+};
+
+int adf_bank_state_restore(struct adf_accel_dev *accel_dev, u32 bank_number,
+			   struct adf_bank_state *state);
+int adf_bank_state_save(struct adf_accel_dev *accel_dev, u32 bank_number,
+			struct adf_bank_state *state);
+
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_cfg.c

@@ -0,0 +1,374 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2014 - 2020 Intel Corporation */
+#include <linux/mutex.h>
+#include <linux/slab.h>
+#include <linux/list.h>
+#include <linux/seq_file.h>
+#include "adf_accel_devices.h"
+#include "adf_cfg.h"
+#include "adf_common_drv.h"
+
+static DEFINE_MUTEX(qat_cfg_read_lock);
+
+static void *qat_dev_cfg_start(struct seq_file *sfile, loff_t *pos)
+{
+	struct adf_cfg_device_data *dev_cfg = sfile->private;
+
+	mutex_lock(&qat_cfg_read_lock);
+	return seq_list_start(&dev_cfg->sec_list, *pos);
+}
+
+static int qat_dev_cfg_show(struct seq_file *sfile, void *v)
+{
+	struct list_head *list;
+	struct adf_cfg_section *sec =
+				list_entry(v, struct adf_cfg_section, list);
+
+	seq_printf(sfile, "[%s]\n", sec->name);
+	list_for_each(list, &sec->param_head) {
+		struct adf_cfg_key_val *ptr =
+			list_entry(list, struct adf_cfg_key_val, list);
+		seq_printf(sfile, "%s = %s\n", ptr->key, ptr->val);
+	}
+	return 0;
+}
+
+static void *qat_dev_cfg_next(struct seq_file *sfile, void *v, loff_t *pos)
+{
+	struct adf_cfg_device_data *dev_cfg = sfile->private;
+
+	return seq_list_next(v, &dev_cfg->sec_list, pos);
+}
+
+static void qat_dev_cfg_stop(struct seq_file *sfile, void *v)
+{
+	mutex_unlock(&qat_cfg_read_lock);
+}
+
+static const struct seq_operations qat_dev_cfg_sops = {
+	.start = qat_dev_cfg_start,
+	.next = qat_dev_cfg_next,
+	.stop = qat_dev_cfg_stop,
+	.show = qat_dev_cfg_show
+};
+
+DEFINE_SEQ_ATTRIBUTE(qat_dev_cfg);
+
+/**
+ * adf_cfg_dev_add() - Create an acceleration device configuration table.
+ * @accel_dev:  Pointer to acceleration device.
+ *
+ * Function creates a configuration table for the given acceleration device.
+ * The table stores device specific config values.
+ * To be used by QAT device specific drivers.
+ *
+ * Return: 0 on success, error code otherwise.
+ */
+int adf_cfg_dev_add(struct adf_accel_dev *accel_dev)
+{
+	struct adf_cfg_device_data *dev_cfg_data;
+
+	dev_cfg_data = kzalloc_obj(*dev_cfg_data);
+	if (!dev_cfg_data)
+		return -ENOMEM;
+	INIT_LIST_HEAD(&dev_cfg_data->sec_list);
+	init_rwsem(&dev_cfg_data->lock);
+	accel_dev->cfg = dev_cfg_data;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(adf_cfg_dev_add);
+
+void adf_cfg_dev_dbgfs_add(struct adf_accel_dev *accel_dev)
+{
+	struct adf_cfg_device_data *dev_cfg_data = accel_dev->cfg;
+
+	dev_cfg_data->debug = debugfs_create_file("dev_cfg", 0400,
+						  accel_dev->debugfs_dir,
+						  dev_cfg_data,
+						  &qat_dev_cfg_fops);
+}
+
+void adf_cfg_dev_dbgfs_rm(struct adf_accel_dev *accel_dev)
+{
+	struct adf_cfg_device_data *dev_cfg_data = accel_dev->cfg;
+
+	if (!dev_cfg_data)
+		return;
+
+	debugfs_remove(dev_cfg_data->debug);
+	dev_cfg_data->debug = NULL;
+}
+
+static void adf_cfg_section_del_all(struct list_head *head);
+static void adf_cfg_section_del_all_except(struct list_head *head,
+					   const char *section_name);
+
+void adf_cfg_del_all_except(struct adf_accel_dev *accel_dev,
+			    const char *section_name)
+{
+	struct adf_cfg_device_data *dev_cfg_data = accel_dev->cfg;
+
+	down_write(&dev_cfg_data->lock);
+	adf_cfg_section_del_all_except(&dev_cfg_data->sec_list, section_name);
+	up_write(&dev_cfg_data->lock);
+	clear_bit(ADF_STATUS_CONFIGURED, &accel_dev->status);
+}
+
+/**
+ * adf_cfg_dev_remove() - Clears acceleration device configuration table.
+ * @accel_dev:  Pointer to acceleration device.
+ *
+ * Function removes configuration table from the given acceleration device
+ * and frees all allocated memory.
+ * To be used by QAT device specific drivers.
+ *
+ * Return: void
+ */
+void adf_cfg_dev_remove(struct adf_accel_dev *accel_dev)
+{
+	struct adf_cfg_device_data *dev_cfg_data = accel_dev->cfg;
+
+	if (!dev_cfg_data)
+		return;
+
+	down_write(&dev_cfg_data->lock);
+	adf_cfg_section_del_all(&dev_cfg_data->sec_list);
+	up_write(&dev_cfg_data->lock);
+	kfree(dev_cfg_data);
+	accel_dev->cfg = NULL;
+}
+EXPORT_SYMBOL_GPL(adf_cfg_dev_remove);
+
+static void adf_cfg_keyval_add(struct adf_cfg_key_val *new,
+			       struct adf_cfg_section *sec)
+{
+	list_add_tail(&new->list, &sec->param_head);
+}
+
+static void adf_cfg_keyval_remove(const char *key, struct adf_cfg_section *sec)
+{
+	struct list_head *head = &sec->param_head;
+	struct list_head *list_ptr, *tmp;
+
+	list_for_each_prev_safe(list_ptr, tmp, head) {
+		struct adf_cfg_key_val *ptr =
+			list_entry(list_ptr, struct adf_cfg_key_val, list);
+
+		if (strncmp(ptr->key, key, sizeof(ptr->key)))
+			continue;
+
+		list_del(list_ptr);
+		kfree(ptr);
+		break;
+	}
+}
+
+static void adf_cfg_keyval_del_all(struct list_head *head)
+{
+	struct list_head *list_ptr, *tmp;
+
+	list_for_each_prev_safe(list_ptr, tmp, head) {
+		struct adf_cfg_key_val *ptr =
+			list_entry(list_ptr, struct adf_cfg_key_val, list);
+		list_del(list_ptr);
+		kfree(ptr);
+	}
+}
+
+static void adf_cfg_section_del_all(struct list_head *head)
+{
+	struct adf_cfg_section *ptr;
+	struct list_head *list, *tmp;
+
+	list_for_each_prev_safe(list, tmp, head) {
+		ptr = list_entry(list, struct adf_cfg_section, list);
+		adf_cfg_keyval_del_all(&ptr->param_head);
+		list_del(list);
+		kfree(ptr);
+	}
+}
+
+static void adf_cfg_section_del_all_except(struct list_head *head,
+					   const char *section_name)
+{
+	struct list_head *list, *tmp;
+	struct adf_cfg_section *ptr;
+
+	list_for_each_prev_safe(list, tmp, head) {
+		ptr = list_entry(list, struct adf_cfg_section, list);
+		if (!strcmp(ptr->name, section_name))
+			continue;
+		adf_cfg_keyval_del_all(&ptr->param_head);
+		list_del(list);
+		kfree(ptr);
+	}
+}
+
+static struct adf_cfg_key_val *adf_cfg_key_value_find(struct adf_cfg_section *s,
+						      const char *key)
+{
+	struct list_head *list;
+
+	list_for_each(list, &s->param_head) {
+		struct adf_cfg_key_val *ptr =
+			list_entry(list, struct adf_cfg_key_val, list);
+		if (!strcmp(ptr->key, key))
+			return ptr;
+	}
+	return NULL;
+}
+
+static struct adf_cfg_section *adf_cfg_sec_find(struct adf_accel_dev *accel_dev,
+						const char *sec_name)
+{
+	struct adf_cfg_device_data *cfg = accel_dev->cfg;
+	struct list_head *list;
+
+	list_for_each(list, &cfg->sec_list) {
+		struct adf_cfg_section *ptr =
+			list_entry(list, struct adf_cfg_section, list);
+		if (!strcmp(ptr->name, sec_name))
+			return ptr;
+	}
+	return NULL;
+}
+
+static int adf_cfg_key_val_get(struct adf_accel_dev *accel_dev,
+			       const char *sec_name,
+			       const char *key_name,
+			       char *val)
+{
+	struct adf_cfg_section *sec = adf_cfg_sec_find(accel_dev, sec_name);
+	struct adf_cfg_key_val *keyval = NULL;
+
+	if (sec)
+		keyval = adf_cfg_key_value_find(sec, key_name);
+	if (keyval) {
+		memcpy(val, keyval->val, ADF_CFG_MAX_VAL_LEN_IN_BYTES);
+		return 0;
+	}
+	return -ENODATA;
+}
+
+/**
+ * adf_cfg_add_key_value_param() - Add key-value config entry to config table.
+ * @accel_dev:  Pointer to acceleration device.
+ * @section_name: Name of the section where the param will be added
+ * @key: The key string
+ * @val: Value pain for the given @key
+ * @type: Type - string, int or address
+ *
+ * Function adds configuration key - value entry in the appropriate section
+ * in the given acceleration device. If the key exists already, the value
+ * is updated.
+ * To be used by QAT device specific drivers.
+ *
+ * Return: 0 on success, error code otherwise.
+ */
+int adf_cfg_add_key_value_param(struct adf_accel_dev *accel_dev,
+				const char *section_name,
+				const char *key, const void *val,
+				enum adf_cfg_val_type type)
+{
+	struct adf_cfg_device_data *cfg = accel_dev->cfg;
+	struct adf_cfg_key_val *key_val;
+	struct adf_cfg_section *section = adf_cfg_sec_find(accel_dev,
+							   section_name);
+	char temp_val[ADF_CFG_MAX_VAL_LEN_IN_BYTES];
+
+	if (!section)
+		return -EFAULT;
+
+	key_val = kzalloc_obj(*key_val);
+	if (!key_val)
+		return -ENOMEM;
+
+	INIT_LIST_HEAD(&key_val->list);
+	strscpy(key_val->key, key, sizeof(key_val->key));
+
+	if (type == ADF_DEC) {
+		snprintf(key_val->val, ADF_CFG_MAX_VAL_LEN_IN_BYTES,
+			 "%ld", (*((long *)val)));
+	} else if (type == ADF_STR) {
+		strscpy(key_val->val, (char *)val, sizeof(key_val->val));
+	} else if (type == ADF_HEX) {
+		snprintf(key_val->val, ADF_CFG_MAX_VAL_LEN_IN_BYTES,
+			 "0x%lx", (unsigned long)val);
+	} else {
+		dev_err(&GET_DEV(accel_dev), "Unknown type given.\n");
+		kfree(key_val);
+		return -EINVAL;
+	}
+	key_val->type = type;
+
+	/* Add the key-value pair as below policy:
+	 * 1. if the key doesn't exist, add it;
+	 * 2. if the key already exists with a different value then update it
+	 *    to the new value (the key is deleted and the newly created
+	 *    key_val containing the new value is added to the database);
+	 * 3. if the key exists with the same value, then return without doing
+	 *    anything (the newly created key_val is freed).
+	 */
+	down_write(&cfg->lock);
+	if (!adf_cfg_key_val_get(accel_dev, section_name, key, temp_val)) {
+		if (strncmp(temp_val, key_val->val, sizeof(temp_val))) {
+			adf_cfg_keyval_remove(key, section);
+		} else {
+			kfree(key_val);
+			goto out;
+		}
+	}
+
+	adf_cfg_keyval_add(key_val, section);
+
+out:
+	up_write(&cfg->lock);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(adf_cfg_add_key_value_param);
+
+/**
+ * adf_cfg_section_add() - Add config section entry to config table.
+ * @accel_dev:  Pointer to acceleration device.
+ * @name: Name of the section
+ *
+ * Function adds configuration section where key - value entries
+ * will be stored.
+ * To be used by QAT device specific drivers.
+ *
+ * Return: 0 on success, error code otherwise.
+ */
+int adf_cfg_section_add(struct adf_accel_dev *accel_dev, const char *name)
+{
+	struct adf_cfg_device_data *cfg = accel_dev->cfg;
+	struct adf_cfg_section *sec = adf_cfg_sec_find(accel_dev, name);
+
+	if (sec)
+		return 0;
+
+	sec = kzalloc_obj(*sec);
+	if (!sec)
+		return -ENOMEM;
+
+	strscpy(sec->name, name, sizeof(sec->name));
+	INIT_LIST_HEAD(&sec->param_head);
+	down_write(&cfg->lock);
+	list_add_tail(&sec->list, &cfg->sec_list);
+	up_write(&cfg->lock);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(adf_cfg_section_add);
+
+int adf_cfg_get_param_value(struct adf_accel_dev *accel_dev,
+			    const char *section, const char *name,
+			    char *value)
+{
+	struct adf_cfg_device_data *cfg = accel_dev->cfg;
+	int ret;
+
+	down_read(&cfg->lock);
+	ret = adf_cfg_key_val_get(accel_dev, section, name, value);
+	up_read(&cfg->lock);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(adf_cfg_get_param_value);

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_cfg.h

@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
+/* Copyright(c) 2014 - 2020 Intel Corporation */
+#ifndef ADF_CFG_H_
+#define ADF_CFG_H_
+
+#include <linux/list.h>
+#include <linux/rwsem.h>
+#include <linux/debugfs.h>
+#include "adf_accel_devices.h"
+#include "adf_cfg_common.h"
+#include "adf_cfg_strings.h"
+
+struct adf_cfg_key_val {
+	char key[ADF_CFG_MAX_KEY_LEN_IN_BYTES];
+	char val[ADF_CFG_MAX_VAL_LEN_IN_BYTES];
+	enum adf_cfg_val_type type;
+	struct list_head list;
+};
+
+struct adf_cfg_section {
+	char name[ADF_CFG_MAX_SECTION_LEN_IN_BYTES];
+	struct list_head list;
+	struct list_head param_head;
+};
+
+struct adf_cfg_device_data {
+	struct list_head sec_list;
+	struct dentry *debug;
+	struct rw_semaphore lock;
+};
+
+int adf_cfg_dev_add(struct adf_accel_dev *accel_dev);
+void adf_cfg_dev_remove(struct adf_accel_dev *accel_dev);
+void adf_cfg_dev_dbgfs_add(struct adf_accel_dev *accel_dev);
+void adf_cfg_dev_dbgfs_rm(struct adf_accel_dev *accel_dev);
+int adf_cfg_section_add(struct adf_accel_dev *accel_dev, const char *name);
+void adf_cfg_del_all_except(struct adf_accel_dev *accel_dev,
+			    const char *section_name);
+int adf_cfg_add_key_value_param(struct adf_accel_dev *accel_dev,
+				const char *section_name,
+				const char *key, const void *val,
+				enum adf_cfg_val_type type);
+int adf_cfg_get_param_value(struct adf_accel_dev *accel_dev,
+			    const char *section, const char *name, char *value);
+
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_cfg_common.h

@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
+/* Copyright(c) 2014 - 2020 Intel Corporation */
+#ifndef ADF_CFG_COMMON_H_
+#define ADF_CFG_COMMON_H_
+
+#include <linux/types.h>
+
+#define ADF_CFG_MAX_STR_LEN 64
+#define ADF_CFG_MAX_KEY_LEN_IN_BYTES ADF_CFG_MAX_STR_LEN
+#define ADF_CFG_MAX_VAL_LEN_IN_BYTES ADF_CFG_MAX_STR_LEN
+#define ADF_CFG_MAX_SECTION_LEN_IN_BYTES ADF_CFG_MAX_STR_LEN
+#define ADF_MAX_DEVICES (32 * 32)
+#define ADF_DEVS_ARRAY_SIZE BITS_TO_LONGS(ADF_MAX_DEVICES)
+
+#define ADF_CFG_SERV_RING_PAIR_0_SHIFT 0
+#define ADF_CFG_SERV_RING_PAIR_1_SHIFT 3
+#define ADF_CFG_SERV_RING_PAIR_2_SHIFT 6
+#define ADF_CFG_SERV_RING_PAIR_3_SHIFT 9
+enum adf_cfg_service_type {
+	UNUSED = 0,
+	CRYPTO,
+	COMP,
+	SYM,
+	ASYM,
+	DECOMP,
+	USED
+};
+
+enum adf_cfg_val_type {
+	ADF_DEC,
+	ADF_HEX,
+	ADF_STR
+};
+
+enum adf_device_type {
+	DEV_UNKNOWN = 0,
+	DEV_DH895XCC,
+	DEV_DH895XCCVF,
+	DEV_C62X,
+	DEV_C62XVF,
+	DEV_C3XXX,
+	DEV_C3XXXVF,
+	DEV_4XXX,
+	DEV_420XX,
+	DEV_6XXX,
+};
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_cfg_services.c

@@ -0,0 +1,211 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2023 Intel Corporation */
+
+#include <linux/array_size.h>
+#include <linux/bitops.h>
+#include <linux/export.h>
+#include <linux/pci.h>
+#include <linux/string.h>
+#include "adf_cfg.h"
+#include "adf_cfg_common.h"
+#include "adf_cfg_services.h"
+#include "adf_cfg_strings.h"
+
+static const char *const adf_cfg_services[] = {
+	[SVC_ASYM] = ADF_CFG_ASYM,
+	[SVC_SYM] = ADF_CFG_SYM,
+	[SVC_DC] = ADF_CFG_DC,
+	[SVC_DCC] = ADF_CFG_DCC,
+	[SVC_DECOMP] = ADF_CFG_DECOMP,
+};
+
+/*
+ * Ensure that the size of the array matches the number of services,
+ * SVC_COUNT, that is used to size the bitmap.
+ */
+static_assert(ARRAY_SIZE(adf_cfg_services) == SVC_COUNT);
+
+/*
+ * Ensure that the maximum number of concurrent services that can be
+ * enabled on a device is less than or equal to the number of total
+ * supported services.
+ */
+static_assert(ARRAY_SIZE(adf_cfg_services) >= MAX_NUM_CONCURR_SVC);
+
+/*
+ * Ensure that the number of services fit a single unsigned long, as each
+ * service is represented by a bit in the mask.
+ */
+static_assert(BITS_PER_LONG >= SVC_COUNT);
+
+/*
+ * Ensure that size of the concatenation of all service strings is smaller
+ * than the size of the buffer that will contain them.
+ */
+static_assert(sizeof(ADF_CFG_SYM ADF_SERVICES_DELIMITER
+		     ADF_CFG_ASYM ADF_SERVICES_DELIMITER
+		     ADF_CFG_DC ADF_SERVICES_DELIMITER
+		     ADF_CFG_DECOMP ADF_SERVICES_DELIMITER
+		     ADF_CFG_DCC) < ADF_CFG_MAX_VAL_LEN_IN_BYTES);
+
+static int adf_service_string_to_mask(struct adf_accel_dev *accel_dev, const char *buf,
+				      size_t len, unsigned long *out_mask)
+{
+	struct adf_hw_device_data *hw_data = GET_HW_DATA(accel_dev);
+	char services[ADF_CFG_MAX_VAL_LEN_IN_BYTES] = { };
+	unsigned long mask = 0;
+	char *substr, *token;
+	int id, num_svc = 0;
+
+	if (len > ADF_CFG_MAX_VAL_LEN_IN_BYTES - 1)
+		return -EINVAL;
+
+	strscpy(services, buf, ADF_CFG_MAX_VAL_LEN_IN_BYTES);
+	substr = services;
+
+	while ((token = strsep(&substr, ADF_SERVICES_DELIMITER))) {
+		id = sysfs_match_string(adf_cfg_services, token);
+		if (id < 0)
+			return id;
+
+		if (test_and_set_bit(id, &mask))
+			return -EINVAL;
+
+		if (num_svc++ == MAX_NUM_CONCURR_SVC)
+			return -EINVAL;
+	}
+
+	if (hw_data->services_supported && !hw_data->services_supported(mask))
+		return -EINVAL;
+
+	*out_mask = mask;
+
+	return 0;
+}
+
+static int adf_service_mask_to_string(unsigned long mask, char *buf, size_t len)
+{
+	int offset = 0;
+	int bit;
+
+	if (len < ADF_CFG_MAX_VAL_LEN_IN_BYTES)
+		return -ENOSPC;
+
+	for_each_set_bit(bit, &mask, SVC_COUNT) {
+		if (offset)
+			offset += scnprintf(buf + offset, len - offset,
+				ADF_SERVICES_DELIMITER "%s", adf_cfg_services[bit]);
+		else
+			offset += scnprintf(buf, len, "%s", adf_cfg_services[bit]);
+	}
+
+	return 0;
+}
+
+int adf_parse_service_string(struct adf_accel_dev *accel_dev, const char *in,
+			     size_t in_len, char *out, size_t out_len)
+{
+	unsigned long mask;
+	int ret;
+
+	ret = adf_service_string_to_mask(accel_dev, in, in_len, &mask);
+	if (ret)
+		return ret;
+
+	if (!mask)
+		return -EINVAL;
+
+	return adf_service_mask_to_string(mask, out, out_len);
+}
+
+int adf_get_service_mask(struct adf_accel_dev *accel_dev, unsigned long *mask)
+{
+	char services[ADF_CFG_MAX_VAL_LEN_IN_BYTES] = { };
+	size_t len;
+	int ret;
+
+	ret = adf_cfg_get_param_value(accel_dev, ADF_GENERAL_SEC,
+				      ADF_SERVICES_ENABLED, services);
+	if (ret) {
+		dev_err(&GET_DEV(accel_dev), "%s param not found\n",
+			ADF_SERVICES_ENABLED);
+		return ret;
+	}
+
+	len = strnlen(services, ADF_CFG_MAX_VAL_LEN_IN_BYTES);
+	ret = adf_service_string_to_mask(accel_dev, services, len, mask);
+	if (ret)
+		dev_err(&GET_DEV(accel_dev), "Invalid value of %s param: %s\n",
+			ADF_SERVICES_ENABLED, services);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(adf_get_service_mask);
+
+int adf_get_service_enabled(struct adf_accel_dev *accel_dev)
+{
+	unsigned long mask;
+	int ret;
+
+	ret = adf_get_service_mask(accel_dev, &mask);
+	if (ret)
+		return ret;
+
+	if (test_bit(SVC_SYM, &mask) && test_bit(SVC_ASYM, &mask))
+		return SVC_SYM_ASYM;
+
+	if (test_bit(SVC_SYM, &mask) && test_bit(SVC_DC, &mask))
+		return SVC_SYM_DC;
+
+	if (test_bit(SVC_ASYM, &mask) && test_bit(SVC_DC, &mask))
+		return SVC_ASYM_DC;
+
+	if (test_bit(SVC_SYM, &mask))
+		return SVC_SYM;
+
+	if (test_bit(SVC_ASYM, &mask))
+		return SVC_ASYM;
+
+	if (test_bit(SVC_DC, &mask))
+		return SVC_DC;
+
+	if (test_bit(SVC_DECOMP, &mask))
+		return SVC_DECOMP;
+
+	if (test_bit(SVC_DCC, &mask))
+		return SVC_DCC;
+
+	return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(adf_get_service_enabled);
+
+enum adf_cfg_service_type adf_srv_to_cfg_svc_type(enum adf_base_services svc)
+{
+	switch (svc) {
+	case SVC_ASYM:
+		return ASYM;
+	case SVC_SYM:
+		return SYM;
+	case SVC_DC:
+		return COMP;
+	case SVC_DECOMP:
+		return DECOMP;
+	default:
+		return UNUSED;
+	}
+}
+
+bool adf_is_service_enabled(struct adf_accel_dev *accel_dev, enum adf_base_services svc)
+{
+	enum adf_cfg_service_type arb_srv = adf_srv_to_cfg_svc_type(svc);
+	struct adf_hw_device_data *hw_data = GET_HW_DATA(accel_dev);
+	u8 rps_per_bundle = hw_data->num_banks_per_vf;
+	int i;
+
+	for (i = 0; i < rps_per_bundle; i++) {
+		if (GET_SRV_TYPE(accel_dev, i) == arb_srv)
+			return true;
+	}
+
+	return false;
+}

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_cfg_services.h

@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright(c) 2023 Intel Corporation */
+#ifndef _ADF_CFG_SERVICES_H_
+#define _ADF_CFG_SERVICES_H_
+
+#include "adf_cfg_strings.h"
+
+struct adf_accel_dev;
+
+enum adf_base_services {
+	SVC_ASYM = 0,
+	SVC_SYM,
+	SVC_DC,
+	SVC_DECOMP,
+	SVC_BASE_COUNT
+};
+
+enum adf_extended_services {
+	SVC_DCC = SVC_BASE_COUNT,
+	SVC_COUNT
+};
+
+enum adf_composed_services {
+	SVC_SYM_ASYM = SVC_COUNT,
+	SVC_SYM_DC,
+	SVC_ASYM_DC,
+};
+
+enum {
+	ADF_ONE_SERVICE = 1,
+	ADF_TWO_SERVICES,
+	ADF_THREE_SERVICES,
+};
+
+#define MAX_NUM_CONCURR_SVC	ADF_THREE_SERVICES
+
+int adf_parse_service_string(struct adf_accel_dev *accel_dev, const char *in,
+			     size_t in_len, char *out, size_t out_len);
+int adf_get_service_enabled(struct adf_accel_dev *accel_dev);
+int adf_get_service_mask(struct adf_accel_dev *accel_dev, unsigned long *mask);
+enum adf_cfg_service_type adf_srv_to_cfg_svc_type(enum adf_base_services svc);
+bool adf_is_service_enabled(struct adf_accel_dev *accel_dev, enum adf_base_services svc);
+
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_cfg_strings.h

@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
+/* Copyright(c) 2014 - 2020 Intel Corporation */
+#ifndef ADF_CFG_STRINGS_H_
+#define ADF_CFG_STRINGS_H_
+
+#define ADF_GENERAL_SEC "GENERAL"
+#define ADF_KERNEL_SEC "KERNEL"
+#define ADF_ACCEL_SEC "Accelerator"
+#define ADF_NUM_CY "NumberCyInstances"
+#define ADF_NUM_DC "NumberDcInstances"
+#define ADF_RING_SYM_SIZE "NumConcurrentSymRequests"
+#define ADF_RING_ASYM_SIZE "NumConcurrentAsymRequests"
+#define ADF_RING_DC_SIZE "NumConcurrentRequests"
+#define ADF_RING_ASYM_TX "RingAsymTx"
+#define ADF_RING_SYM_TX "RingSymTx"
+#define ADF_RING_ASYM_RX "RingAsymRx"
+#define ADF_RING_SYM_RX "RingSymRx"
+#define ADF_RING_DC_TX "RingTx"
+#define ADF_RING_DC_RX "RingRx"
+#define ADF_ETRMGR_BANK "Bank"
+#define ADF_RING_SYM_BANK_NUM "BankSymNumber"
+#define ADF_RING_ASYM_BANK_NUM "BankAsymNumber"
+#define ADF_RING_DC_BANK_NUM "BankDcNumber"
+#define ADF_CY "Cy"
+#define ADF_DC "Dc"
+#define ADF_CFG_DC "dc"
+#define ADF_CFG_DECOMP "decomp"
+#define ADF_CFG_CY "sym;asym"
+#define ADF_CFG_SYM "sym"
+#define ADF_CFG_ASYM "asym"
+#define ADF_CFG_DCC "dcc"
+#define ADF_SERVICES_ENABLED "ServicesEnabled"
+#define ADF_SERVICES_DELIMITER ";"
+#define ADF_PM_IDLE_SUPPORT "PmIdleSupport"
+#define ADF_ETRMGR_COALESCING_ENABLED "InterruptCoalescingEnabled"
+#define ADF_ETRMGR_COALESCING_ENABLED_FORMAT \
+	ADF_ETRMGR_BANK "%d" ADF_ETRMGR_COALESCING_ENABLED
+#define ADF_ETRMGR_COALESCE_TIMER "InterruptCoalescingTimerNs"
+#define ADF_ETRMGR_COALESCE_TIMER_FORMAT \
+	ADF_ETRMGR_BANK "%d" ADF_ETRMGR_COALESCE_TIMER
+#define ADF_ETRMGR_COALESCING_MSG_ENABLED "InterruptCoalescingNumResponses"
+#define ADF_ETRMGR_COALESCING_MSG_ENABLED_FORMAT \
+	ADF_ETRMGR_BANK "%d" ADF_ETRMGR_COALESCING_MSG_ENABLED
+#define ADF_ETRMGR_CORE_AFFINITY "CoreAffinity"
+#define ADF_ETRMGR_CORE_AFFINITY_FORMAT \
+	ADF_ETRMGR_BANK "%d" ADF_ETRMGR_CORE_AFFINITY
+#define ADF_ACCEL_STR "Accelerator%d"
+#define ADF_HEARTBEAT_TIMER  "HeartbeatTimer"
+#define ADF_SRIOV_ENABLED "SriovEnabled"
+
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_clock.c

@@ -0,0 +1,135 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2023 Intel Corporation */
+
+#include <linux/delay.h>
+#include <linux/dev_printk.h>
+#include <linux/export.h>
+#include <linux/math.h>
+#include <linux/minmax.h>
+#include <linux/time64.h>
+#include <linux/types.h>
+#include <linux/units.h>
+#include <asm/errno.h>
+#include "adf_admin.h"
+#include "adf_accel_devices.h"
+#include "adf_clock.h"
+#include "adf_common_drv.h"
+
+#define MEASURE_CLOCK_RETRIES 10
+#define MEASURE_CLOCK_DELAY_US 10000
+#define ME_CLK_DIVIDER 16
+#define MEASURE_CLOCK_DELTA_THRESHOLD_US 100
+
+static inline u64 timespec_to_us(const struct timespec64 *ts)
+{
+	return (u64)DIV_ROUND_CLOSEST_ULL(timespec64_to_ns(ts), NSEC_PER_USEC);
+}
+
+static inline u64 timespec_to_ms(const struct timespec64 *ts)
+{
+	return (u64)DIV_ROUND_CLOSEST_ULL(timespec64_to_ns(ts), NSEC_PER_MSEC);
+}
+
+u64 adf_clock_get_current_time(void)
+{
+	struct timespec64 ts;
+
+	ktime_get_real_ts64(&ts);
+	return timespec_to_ms(&ts);
+}
+
+static int measure_clock(struct adf_accel_dev *accel_dev, u32 *frequency)
+{
+	struct timespec64 ts1, ts2, ts3, ts4;
+	u64 timestamp1, timestamp2, temp;
+	u32 delta_us, tries;
+	int ret;
+
+	tries = MEASURE_CLOCK_RETRIES;
+	do {
+		ktime_get_real_ts64(&ts1);
+		ret = adf_get_fw_timestamp(accel_dev, &timestamp1);
+		if (ret) {
+			dev_err(&GET_DEV(accel_dev),
+				"Failed to get fw timestamp\n");
+			return ret;
+		}
+		ktime_get_real_ts64(&ts2);
+		delta_us = timespec_to_us(&ts2) - timespec_to_us(&ts1);
+	} while (delta_us > MEASURE_CLOCK_DELTA_THRESHOLD_US && --tries);
+
+	if (!tries) {
+		dev_err(&GET_DEV(accel_dev), "Excessive clock measure delay\n");
+		return -ETIMEDOUT;
+	}
+
+	fsleep(MEASURE_CLOCK_DELAY_US);
+
+	tries = MEASURE_CLOCK_RETRIES;
+	do {
+		ktime_get_real_ts64(&ts3);
+		if (adf_get_fw_timestamp(accel_dev, &timestamp2)) {
+			dev_err(&GET_DEV(accel_dev),
+				"Failed to get fw timestamp\n");
+			return -EIO;
+		}
+		ktime_get_real_ts64(&ts4);
+		delta_us = timespec_to_us(&ts4) - timespec_to_us(&ts3);
+	} while (delta_us > MEASURE_CLOCK_DELTA_THRESHOLD_US && --tries);
+
+	if (!tries) {
+		dev_err(&GET_DEV(accel_dev), "Excessive clock measure delay\n");
+		return -ETIMEDOUT;
+	}
+
+	delta_us = timespec_to_us(&ts3) - timespec_to_us(&ts1);
+	if (!delta_us)
+		return -EINVAL;
+
+	temp = (timestamp2 - timestamp1) * ME_CLK_DIVIDER * 10;
+	temp = DIV_ROUND_CLOSEST_ULL(temp, delta_us);
+	/*
+	 * Enclose the division to allow the preprocessor to precalculate it,
+	 * and avoid promoting r-value to 64-bit before division.
+	 */
+	*frequency = temp * (HZ_PER_MHZ / 10);
+
+	return 0;
+}
+
+/**
+ * adf_dev_measure_clock() - measures device clock frequency
+ * @accel_dev: Pointer to acceleration device.
+ * @frequency: Pointer to variable where result will be stored
+ * @min: Minimal allowed frequency value
+ * @max: Maximal allowed frequency value
+ *
+ * If the measurement result will go beyond the min/max thresholds the value
+ * will take the value of the crossed threshold.
+ *
+ * This algorithm compares the device firmware timestamp with the kernel
+ * timestamp. So we can't expect too high accuracy from this measurement.
+ *
+ * Return:
+ * * 0 - measurement succeed
+ * * -ETIMEDOUT - measurement failed
+ */
+int adf_dev_measure_clock(struct adf_accel_dev *accel_dev,
+			  u32 *frequency, u32 min, u32 max)
+{
+	int ret;
+	u32 freq;
+
+	ret = measure_clock(accel_dev, &freq);
+	if (ret)
+		return ret;
+
+	*frequency = clamp(freq, min, max);
+
+	if (*frequency != freq)
+		dev_warn(&GET_DEV(accel_dev),
+			 "Measured clock %d Hz is out of range, assuming %d\n",
+			 freq, *frequency);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(adf_dev_measure_clock);

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_clock.h

@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright(c) 2023 Intel Corporation */
+#ifndef ADF_CLOCK_H
+#define ADF_CLOCK_H
+
+#include <linux/types.h>
+
+struct adf_accel_dev;
+
+int adf_dev_measure_clock(struct adf_accel_dev *accel_dev, u32 *frequency,
+			  u32 min, u32 max);
+u64 adf_clock_get_current_time(void);
+
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_cnv_dbgfs.c

@@ -0,0 +1,299 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2023 Intel Corporation */
+
+#include <linux/bitfield.h>
+#include <linux/debugfs.h>
+#include <linux/kernel.h>
+
+#include "adf_accel_devices.h"
+#include "adf_admin.h"
+#include "adf_common_drv.h"
+#include "adf_cnv_dbgfs.h"
+#include "qat_compression.h"
+
+#define CNV_DEBUGFS_FILENAME		"cnv_errors"
+#define CNV_MIN_PADDING			16
+
+#define CNV_ERR_INFO_MASK		GENMASK(11, 0)
+#define CNV_ERR_TYPE_MASK		GENMASK(15, 12)
+#define CNV_SLICE_ERR_SIGN_BIT_INDEX	7
+#define CNV_DELTA_ERR_SIGN_BIT_INDEX	11
+
+enum cnv_error_type {
+	CNV_ERR_TYPE_NONE,
+	CNV_ERR_TYPE_CHECKSUM,
+	CNV_ERR_TYPE_DECOMP_PRODUCED_LENGTH,
+	CNV_ERR_TYPE_DECOMPRESSION,
+	CNV_ERR_TYPE_TRANSLATION,
+	CNV_ERR_TYPE_DECOMP_CONSUMED_LENGTH,
+	CNV_ERR_TYPE_UNKNOWN,
+	CNV_ERR_TYPES_COUNT
+};
+
+#define CNV_ERROR_TYPE_GET(latest_err)	\
+	min_t(u16, u16_get_bits(latest_err, CNV_ERR_TYPE_MASK), CNV_ERR_TYPE_UNKNOWN)
+
+#define CNV_GET_DELTA_ERR_INFO(latest_error)	\
+	sign_extend32(latest_error, CNV_DELTA_ERR_SIGN_BIT_INDEX)
+
+#define CNV_GET_SLICE_ERR_INFO(latest_error)	\
+	sign_extend32(latest_error, CNV_SLICE_ERR_SIGN_BIT_INDEX)
+
+#define CNV_GET_DEFAULT_ERR_INFO(latest_error)	\
+	u16_get_bits(latest_error, CNV_ERR_INFO_MASK)
+
+enum cnv_fields {
+	CNV_ERR_COUNT,
+	CNV_LATEST_ERR,
+	CNV_FIELDS_COUNT
+};
+
+static const char * const cnv_field_names[CNV_FIELDS_COUNT] = {
+	[CNV_ERR_COUNT] = "Total Errors",
+	[CNV_LATEST_ERR] = "Last Error",
+};
+
+static const char * const cnv_error_names[CNV_ERR_TYPES_COUNT] = {
+	[CNV_ERR_TYPE_NONE] = "No Error",
+	[CNV_ERR_TYPE_CHECKSUM] = "Checksum Error",
+	[CNV_ERR_TYPE_DECOMP_PRODUCED_LENGTH] = "Length Error-P",
+	[CNV_ERR_TYPE_DECOMPRESSION] = "Decomp Error",
+	[CNV_ERR_TYPE_TRANSLATION] = "Xlat Error",
+	[CNV_ERR_TYPE_DECOMP_CONSUMED_LENGTH] = "Length Error-C",
+	[CNV_ERR_TYPE_UNKNOWN] = "Unknown Error",
+};
+
+struct ae_cnv_errors {
+	u16 ae;
+	u16 err_cnt;
+	u16 latest_err;
+	bool is_comp_ae;
+};
+
+struct cnv_err_stats {
+	u16 ae_count;
+	struct ae_cnv_errors ae_cnv_errors[];
+};
+
+static s16 get_err_info(u8 error_type, u16 latest)
+{
+	switch (error_type) {
+	case CNV_ERR_TYPE_DECOMP_PRODUCED_LENGTH:
+	case CNV_ERR_TYPE_DECOMP_CONSUMED_LENGTH:
+		return CNV_GET_DELTA_ERR_INFO(latest);
+	case CNV_ERR_TYPE_DECOMPRESSION:
+	case CNV_ERR_TYPE_TRANSLATION:
+		return CNV_GET_SLICE_ERR_INFO(latest);
+	default:
+		return CNV_GET_DEFAULT_ERR_INFO(latest);
+	}
+}
+
+static void *qat_cnv_errors_seq_start(struct seq_file *sfile, loff_t *pos)
+{
+	struct cnv_err_stats *err_stats = sfile->private;
+
+	if (*pos == 0)
+		return SEQ_START_TOKEN;
+
+	if (*pos > err_stats->ae_count)
+		return NULL;
+
+	return &err_stats->ae_cnv_errors[*pos - 1];
+}
+
+static void *qat_cnv_errors_seq_next(struct seq_file *sfile, void *v,
+				     loff_t *pos)
+{
+	struct cnv_err_stats *err_stats = sfile->private;
+
+	(*pos)++;
+
+	if (*pos > err_stats->ae_count)
+		return NULL;
+
+	return &err_stats->ae_cnv_errors[*pos - 1];
+}
+
+static void qat_cnv_errors_seq_stop(struct seq_file *sfile, void *v)
+{
+}
+
+static int qat_cnv_errors_seq_show(struct seq_file *sfile, void *v)
+{
+	struct ae_cnv_errors *ae_errors;
+	unsigned int i;
+	s16 err_info;
+	u8 err_type;
+
+	if (v == SEQ_START_TOKEN) {
+		seq_puts(sfile, "AE ");
+		for (i = 0; i < CNV_FIELDS_COUNT; ++i)
+			seq_printf(sfile, " %*s", CNV_MIN_PADDING,
+				   cnv_field_names[i]);
+	} else {
+		ae_errors = v;
+
+		if (!ae_errors->is_comp_ae)
+			return 0;
+
+		err_type = CNV_ERROR_TYPE_GET(ae_errors->latest_err);
+		err_info = get_err_info(err_type, ae_errors->latest_err);
+
+		seq_printf(sfile, "%d:", ae_errors->ae);
+		seq_printf(sfile, " %*d", CNV_MIN_PADDING, ae_errors->err_cnt);
+		seq_printf(sfile, "%*s [%d]", CNV_MIN_PADDING,
+			   cnv_error_names[err_type], err_info);
+	}
+	seq_putc(sfile, '\n');
+
+	return 0;
+}
+
+static const struct seq_operations qat_cnv_errors_sops = {
+	.start = qat_cnv_errors_seq_start,
+	.next = qat_cnv_errors_seq_next,
+	.stop = qat_cnv_errors_seq_stop,
+	.show = qat_cnv_errors_seq_show,
+};
+
+/**
+ * cnv_err_stats_alloc() - Get CNV stats for the provided device.
+ * @accel_dev: Pointer to a QAT acceleration device
+ *
+ * Allocates and populates table of CNV errors statistics for each non-admin AE
+ * available through the supplied acceleration device. The caller becomes the
+ * owner of such memory and is responsible for the deallocation through a call
+ * to kfree().
+ *
+ * Returns: a pointer to a dynamically allocated struct cnv_err_stats on success
+ * or a negative value on error.
+ */
+static struct cnv_err_stats *cnv_err_stats_alloc(struct adf_accel_dev *accel_dev)
+{
+	struct adf_hw_device_data *hw_data = GET_HW_DATA(accel_dev);
+	struct cnv_err_stats *err_stats;
+	unsigned long ae_count;
+	unsigned long ae_mask;
+	size_t err_stats_size;
+	unsigned long ae;
+	unsigned int i;
+	u16 latest_err;
+	u16 err_cnt;
+	int ret;
+
+	if (!adf_dev_started(accel_dev)) {
+		dev_err(&GET_DEV(accel_dev), "QAT Device not started\n");
+		return ERR_PTR(-EBUSY);
+	}
+
+	/* Ignore the admin AEs */
+	ae_mask = hw_data->ae_mask & ~hw_data->admin_ae_mask;
+	ae_count = hweight_long(ae_mask);
+	if (unlikely(!ae_count))
+		return ERR_PTR(-EINVAL);
+
+	err_stats_size = struct_size(err_stats, ae_cnv_errors, ae_count);
+	err_stats = kmalloc(err_stats_size, GFP_KERNEL);
+	if (!err_stats)
+		return ERR_PTR(-ENOMEM);
+
+	err_stats->ae_count = ae_count;
+
+	i = 0;
+	for_each_set_bit(ae, &ae_mask, GET_MAX_ACCELENGINES(accel_dev)) {
+		ret = adf_get_cnv_stats(accel_dev, ae, &err_cnt, &latest_err);
+		if (ret) {
+			dev_dbg(&GET_DEV(accel_dev),
+				"Failed to get CNV stats for ae %ld, [%d].\n",
+				ae, ret);
+			err_stats->ae_cnv_errors[i++].is_comp_ae = false;
+			continue;
+		}
+		err_stats->ae_cnv_errors[i].is_comp_ae = true;
+		err_stats->ae_cnv_errors[i].latest_err = latest_err;
+		err_stats->ae_cnv_errors[i].err_cnt = err_cnt;
+		err_stats->ae_cnv_errors[i].ae = ae;
+		i++;
+	}
+
+	return err_stats;
+}
+
+static int qat_cnv_errors_file_open(struct inode *inode, struct file *file)
+{
+	struct adf_accel_dev *accel_dev = inode->i_private;
+	struct seq_file *cnv_errors_seq_file;
+	struct cnv_err_stats *cnv_err_stats;
+	int ret;
+
+	cnv_err_stats = cnv_err_stats_alloc(accel_dev);
+	if (IS_ERR(cnv_err_stats))
+		return PTR_ERR(cnv_err_stats);
+
+	ret = seq_open(file, &qat_cnv_errors_sops);
+	if (unlikely(ret)) {
+		kfree(cnv_err_stats);
+		return ret;
+	}
+
+	cnv_errors_seq_file = file->private_data;
+	cnv_errors_seq_file->private = cnv_err_stats;
+	return ret;
+}
+
+static int qat_cnv_errors_file_release(struct inode *inode, struct file *file)
+{
+	struct seq_file *cnv_errors_seq_file = file->private_data;
+
+	kfree(cnv_errors_seq_file->private);
+	cnv_errors_seq_file->private = NULL;
+
+	return seq_release(inode, file);
+}
+
+static const struct file_operations qat_cnv_fops = {
+	.owner = THIS_MODULE,
+	.open = qat_cnv_errors_file_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = qat_cnv_errors_file_release,
+};
+
+static ssize_t no_comp_file_read(struct file *f, char __user *buf, size_t count,
+				 loff_t *pos)
+{
+	char *file_msg = "No engine configured for comp\n";
+
+	return simple_read_from_buffer(buf, count, pos, file_msg,
+				       strlen(file_msg));
+}
+
+static const struct file_operations qat_cnv_no_comp_fops = {
+	.owner = THIS_MODULE,
+	.read = no_comp_file_read,
+};
+
+void adf_cnv_dbgfs_add(struct adf_accel_dev *accel_dev)
+{
+	const struct file_operations *fops;
+	void *data;
+
+	if (adf_hw_dev_has_compression(accel_dev)) {
+		fops = &qat_cnv_fops;
+		data = accel_dev;
+	} else {
+		fops = &qat_cnv_no_comp_fops;
+		data = NULL;
+	}
+
+	accel_dev->cnv_dbgfile = debugfs_create_file(CNV_DEBUGFS_FILENAME, 0400,
+						     accel_dev->debugfs_dir,
+						     data, fops);
+}
+
+void adf_cnv_dbgfs_rm(struct adf_accel_dev *accel_dev)
+{
+	debugfs_remove(accel_dev->cnv_dbgfile);
+	accel_dev->cnv_dbgfile = NULL;
+}

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_cnv_dbgfs.h

@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright(c) 2023 Intel Corporation */
+#ifndef ADF_CNV_DBG_H
+#define ADF_CNV_DBG_H
+
+struct adf_accel_dev;
+
+void adf_cnv_dbgfs_add(struct adf_accel_dev *accel_dev);
+void adf_cnv_dbgfs_rm(struct adf_accel_dev *accel_dev);
+
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_common_drv.h

@@ -0,0 +1,262 @@
+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
+/* Copyright(c) 2014 - 2021 Intel Corporation */
+#ifndef ADF_DRV_H
+#define ADF_DRV_H
+
+#include <linux/list.h>
+#include <linux/pci.h>
+#include "adf_accel_devices.h"
+#include "icp_qat_fw_loader_handle.h"
+#include "icp_qat_hal.h"
+
+#define ADF_STATUS_RESTARTING 0
+#define ADF_STATUS_STARTING 1
+#define ADF_STATUS_CONFIGURED 2
+#define ADF_STATUS_STARTED 3
+#define ADF_STATUS_AE_INITIALISED 4
+#define ADF_STATUS_AE_UCODE_LOADED 5
+#define ADF_STATUS_AE_STARTED 6
+#define ADF_STATUS_PF_RUNNING 7
+#define ADF_STATUS_IRQ_ALLOCATED 8
+#define ADF_STATUS_CRYPTO_ALGS_REGISTERED 9
+#define ADF_STATUS_COMP_ALGS_REGISTERED 10
+
+enum adf_dev_reset_mode {
+	ADF_DEV_RESET_ASYNC = 0,
+	ADF_DEV_RESET_SYNC
+};
+
+enum adf_event {
+	ADF_EVENT_INIT = 0,
+	ADF_EVENT_START,
+	ADF_EVENT_STOP,
+	ADF_EVENT_SHUTDOWN,
+	ADF_EVENT_RESTARTING,
+	ADF_EVENT_RESTARTED,
+	ADF_EVENT_FATAL_ERROR,
+};
+
+struct service_hndl {
+	int (*event_hld)(struct adf_accel_dev *accel_dev,
+			 enum adf_event event);
+	unsigned long init_status[ADF_DEVS_ARRAY_SIZE];
+	unsigned long start_status[ADF_DEVS_ARRAY_SIZE];
+	char *name;
+	struct list_head list;
+};
+
+int adf_service_register(struct service_hndl *service);
+int adf_service_unregister(struct service_hndl *service);
+
+int adf_dev_up(struct adf_accel_dev *accel_dev, bool init_config);
+int adf_dev_down(struct adf_accel_dev *accel_dev);
+int adf_dev_restart(struct adf_accel_dev *accel_dev);
+
+void adf_devmgr_update_class_index(struct adf_hw_device_data *hw_data);
+void adf_clean_vf_map(bool);
+int adf_notify_fatal_error(struct adf_accel_dev *accel_dev);
+void adf_error_notifier(struct adf_accel_dev *accel_dev);
+int adf_devmgr_add_dev(struct adf_accel_dev *accel_dev,
+		       struct adf_accel_dev *pf);
+void adf_devmgr_rm_dev(struct adf_accel_dev *accel_dev,
+		       struct adf_accel_dev *pf);
+struct list_head *adf_devmgr_get_head(void);
+struct adf_accel_dev *adf_devmgr_pci_to_accel_dev(struct pci_dev *pci_dev);
+int adf_devmgr_in_reset(struct adf_accel_dev *accel_dev);
+int adf_dev_started(struct adf_accel_dev *accel_dev);
+int adf_dev_restarting_notify(struct adf_accel_dev *accel_dev);
+int adf_dev_restarted_notify(struct adf_accel_dev *accel_dev);
+int adf_ae_init(struct adf_accel_dev *accel_dev);
+int adf_ae_shutdown(struct adf_accel_dev *accel_dev);
+int adf_ae_fw_load(struct adf_accel_dev *accel_dev);
+void adf_ae_fw_release(struct adf_accel_dev *accel_dev);
+int adf_ae_start(struct adf_accel_dev *accel_dev);
+int adf_ae_stop(struct adf_accel_dev *accel_dev);
+
+extern const struct pci_error_handlers adf_err_handler;
+void adf_reset_sbr(struct adf_accel_dev *accel_dev);
+void adf_reset_flr(struct adf_accel_dev *accel_dev);
+void adf_dev_restore(struct adf_accel_dev *accel_dev);
+void adf_set_bme(struct adf_accel_dev *accel_dev);
+int adf_init_aer(void);
+void adf_exit_aer(void);
+int adf_init_arb(struct adf_accel_dev *accel_dev);
+void adf_exit_arb(struct adf_accel_dev *accel_dev);
+void adf_update_ring_arb(struct adf_etr_ring_data *ring);
+
+int adf_dev_get(struct adf_accel_dev *accel_dev);
+void adf_dev_put(struct adf_accel_dev *accel_dev);
+int adf_dev_in_use(struct adf_accel_dev *accel_dev);
+int adf_init_etr_data(struct adf_accel_dev *accel_dev);
+void adf_cleanup_etr_data(struct adf_accel_dev *accel_dev);
+int qat_crypto_register(void);
+int qat_crypto_unregister(void);
+int qat_crypto_vf_dev_config(struct adf_accel_dev *accel_dev);
+struct qat_crypto_instance *qat_crypto_get_instance_node(int node);
+void qat_crypto_put_instance(struct qat_crypto_instance *inst);
+void qat_alg_callback(void *resp);
+void qat_alg_asym_callback(void *resp);
+int qat_algs_register(void);
+void qat_algs_unregister(void);
+int qat_asym_algs_register(void);
+void qat_asym_algs_unregister(void);
+
+struct qat_compression_instance *qat_compression_get_instance_node(int node, int alg);
+void qat_compression_put_instance(struct qat_compression_instance *inst);
+int qat_compression_register(void);
+int qat_compression_unregister(void);
+int qat_comp_algs_register(u32 caps);
+void qat_comp_algs_unregister(u32 caps);
+void qat_comp_alg_callback(void *resp);
+
+int adf_isr_resource_alloc(struct adf_accel_dev *accel_dev);
+void adf_isr_resource_free(struct adf_accel_dev *accel_dev);
+void adf_isr_sync_ae_cluster(struct adf_accel_dev *accel_dev);
+int adf_vf_isr_resource_alloc(struct adf_accel_dev *accel_dev);
+void adf_vf_isr_resource_free(struct adf_accel_dev *accel_dev);
+
+int adf_pfvf_comms_disabled(struct adf_accel_dev *accel_dev);
+
+int adf_sysfs_init(struct adf_accel_dev *accel_dev);
+
+int qat_hal_init(struct adf_accel_dev *accel_dev);
+void qat_hal_deinit(struct icp_qat_fw_loader_handle *handle);
+int qat_hal_start(struct icp_qat_fw_loader_handle *handle);
+void qat_hal_stop(struct icp_qat_fw_loader_handle *handle, unsigned char ae,
+		  unsigned int ctx_mask);
+void qat_hal_reset(struct icp_qat_fw_loader_handle *handle);
+int qat_hal_clr_reset(struct icp_qat_fw_loader_handle *handle);
+void qat_hal_set_live_ctx(struct icp_qat_fw_loader_handle *handle,
+			  unsigned char ae, unsigned int ctx_mask);
+int qat_hal_check_ae_active(struct icp_qat_fw_loader_handle *handle,
+			    unsigned int ae);
+int qat_hal_set_ae_lm_mode(struct icp_qat_fw_loader_handle *handle,
+			   unsigned char ae, enum icp_qat_uof_regtype lm_type,
+			   unsigned char mode);
+int qat_hal_set_ae_ctx_mode(struct icp_qat_fw_loader_handle *handle,
+			    unsigned char ae, unsigned char mode);
+int qat_hal_set_ae_nn_mode(struct icp_qat_fw_loader_handle *handle,
+			   unsigned char ae, unsigned char mode);
+void qat_hal_set_pc(struct icp_qat_fw_loader_handle *handle,
+		    unsigned char ae, unsigned int ctx_mask, unsigned int upc);
+void qat_hal_wr_uwords(struct icp_qat_fw_loader_handle *handle,
+		       unsigned char ae, unsigned int uaddr,
+		       unsigned int words_num, u64 *uword);
+void qat_hal_wr_umem(struct icp_qat_fw_loader_handle *handle, unsigned char ae,
+		     unsigned int uword_addr, unsigned int words_num,
+		     unsigned int *data);
+int qat_hal_get_ins_num(void);
+int qat_hal_batch_wr_lm(struct icp_qat_fw_loader_handle *handle,
+			unsigned char ae,
+			struct icp_qat_uof_batch_init *lm_init_header);
+int qat_hal_init_gpr(struct icp_qat_fw_loader_handle *handle,
+		     unsigned char ae, unsigned long ctx_mask,
+		     enum icp_qat_uof_regtype reg_type,
+		     unsigned short reg_num, unsigned int regdata);
+int qat_hal_init_wr_xfer(struct icp_qat_fw_loader_handle *handle,
+			 unsigned char ae, unsigned long ctx_mask,
+			 enum icp_qat_uof_regtype reg_type,
+			 unsigned short reg_num, unsigned int regdata);
+int qat_hal_init_rd_xfer(struct icp_qat_fw_loader_handle *handle,
+			 unsigned char ae, unsigned long ctx_mask,
+			 enum icp_qat_uof_regtype reg_type,
+			 unsigned short reg_num, unsigned int regdata);
+int qat_hal_init_nn(struct icp_qat_fw_loader_handle *handle,
+		    unsigned char ae, unsigned long ctx_mask,
+		    unsigned short reg_num, unsigned int regdata);
+void qat_hal_set_ae_tindex_mode(struct icp_qat_fw_loader_handle *handle,
+				unsigned char ae, unsigned char mode);
+int qat_uclo_wr_all_uimage(struct icp_qat_fw_loader_handle *handle);
+void qat_uclo_del_obj(struct icp_qat_fw_loader_handle *handle);
+int qat_uclo_wr_mimage(struct icp_qat_fw_loader_handle *handle, void *addr_ptr,
+		       int mem_size);
+int qat_uclo_map_obj(struct icp_qat_fw_loader_handle *handle,
+		     void *addr_ptr, u32 mem_size, const char *obj_name);
+int qat_uclo_set_cfg_ae_mask(struct icp_qat_fw_loader_handle *handle,
+			     unsigned int cfg_ae_mask);
+int adf_init_misc_wq(void);
+void adf_exit_misc_wq(void);
+bool adf_misc_wq_queue_work(struct work_struct *work);
+bool adf_misc_wq_queue_delayed_work(struct delayed_work *work,
+				    unsigned long delay);
+void adf_misc_wq_flush(void);
+#if defined(CONFIG_PCI_IOV)
+int adf_sriov_configure(struct pci_dev *pdev, int numvfs);
+void adf_disable_sriov(struct adf_accel_dev *accel_dev);
+void adf_reenable_sriov(struct adf_accel_dev *accel_dev);
+void adf_enable_vf2pf_interrupts(struct adf_accel_dev *accel_dev, u32 vf_mask);
+void adf_enable_all_vf2pf_interrupts(struct adf_accel_dev *accel_dev, u32 num_vfs);
+void adf_disable_all_vf2pf_interrupts(struct adf_accel_dev *accel_dev);
+bool adf_recv_and_handle_pf2vf_msg(struct adf_accel_dev *accel_dev);
+bool adf_recv_and_handle_vf2pf_msg(struct adf_accel_dev *accel_dev, u32 vf_nr);
+int adf_pf2vf_handle_pf_restarting(struct adf_accel_dev *accel_dev);
+void adf_enable_pf2vf_interrupts(struct adf_accel_dev *accel_dev);
+void adf_disable_pf2vf_interrupts(struct adf_accel_dev *accel_dev);
+void adf_schedule_vf2pf_handler(struct adf_accel_vf_info *vf_info);
+int adf_init_pf_wq(void);
+void adf_exit_pf_wq(void);
+int adf_init_vf_wq(void);
+void adf_exit_vf_wq(void);
+void adf_flush_vf_wq(struct adf_accel_dev *accel_dev);
+#else
+#define adf_sriov_configure NULL
+
+static inline void adf_disable_sriov(struct adf_accel_dev *accel_dev)
+{
+}
+
+static inline void adf_reenable_sriov(struct adf_accel_dev *accel_dev)
+{
+}
+
+static inline int adf_init_pf_wq(void)
+{
+	return 0;
+}
+
+static inline void adf_exit_pf_wq(void)
+{
+}
+
+static inline int adf_init_vf_wq(void)
+{
+	return 0;
+}
+
+static inline void adf_exit_vf_wq(void)
+{
+}
+
+#endif
+
+static inline void __iomem *adf_get_pmisc_base(struct adf_accel_dev *accel_dev)
+{
+	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
+	struct adf_bar *pmisc;
+
+	pmisc = &GET_BARS(accel_dev)[hw_data->get_misc_bar_id(hw_data)];
+
+	return pmisc->virt_addr;
+}
+
+static inline void __iomem *adf_get_etr_base(struct adf_accel_dev *accel_dev)
+{
+	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
+	struct adf_bar *etr;
+
+	etr = &GET_BARS(accel_dev)[hw_data->get_etr_bar_id(hw_data)];
+
+	return etr->virt_addr;
+}
+
+static inline void __iomem *adf_get_aram_base(struct adf_accel_dev *accel_dev)
+{
+	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
+	struct adf_bar *param;
+
+	param = &GET_BARS(accel_dev)[hw_data->get_sram_bar_id(hw_data)];
+
+	return param->virt_addr;
+}
+
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_dbgfs.c

@@ -0,0 +1,79 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2023 Intel Corporation */
+
+#include <linux/debugfs.h>
+#include "adf_accel_devices.h"
+#include "adf_cfg.h"
+#include "adf_common_drv.h"
+#include "adf_cnv_dbgfs.h"
+#include "adf_dbgfs.h"
+#include "adf_fw_counters.h"
+#include "adf_heartbeat_dbgfs.h"
+#include "adf_pm_dbgfs.h"
+#include "adf_tl_debugfs.h"
+
+/**
+ * adf_dbgfs_init() - add persistent debugfs entries
+ * @accel_dev:  Pointer to acceleration device.
+ *
+ * This function creates debugfs entries that are persistent through a device
+ * state change (from up to down or vice versa).
+ */
+void adf_dbgfs_init(struct adf_accel_dev *accel_dev)
+{
+	char name[ADF_DEVICE_NAME_LENGTH];
+
+	/* Create dev top level debugfs entry */
+	snprintf(name, sizeof(name), "%s%s_%s", ADF_DEVICE_NAME_PREFIX,
+		 accel_dev->hw_device->dev_class->name,
+		 pci_name(accel_dev->accel_pci_dev.pci_dev));
+
+	accel_dev->debugfs_dir = debugfs_create_dir(name, NULL);
+
+	adf_cfg_dev_dbgfs_add(accel_dev);
+}
+EXPORT_SYMBOL_GPL(adf_dbgfs_init);
+
+/**
+ * adf_dbgfs_exit() - remove persistent debugfs entries
+ * @accel_dev:  Pointer to acceleration device.
+ */
+void adf_dbgfs_exit(struct adf_accel_dev *accel_dev)
+{
+	adf_cfg_dev_dbgfs_rm(accel_dev);
+	debugfs_remove(accel_dev->debugfs_dir);
+}
+EXPORT_SYMBOL_GPL(adf_dbgfs_exit);
+
+/**
+ * adf_dbgfs_add() - add non-persistent debugfs entries
+ * @accel_dev:  Pointer to acceleration device.
+ *
+ * This function creates debugfs entries that are not persistent through
+ * a device state change (from up to down or vice versa).
+ */
+void adf_dbgfs_add(struct adf_accel_dev *accel_dev)
+{
+	if (!accel_dev->is_vf) {
+		adf_fw_counters_dbgfs_add(accel_dev);
+		adf_heartbeat_dbgfs_add(accel_dev);
+		adf_pm_dbgfs_add(accel_dev);
+		adf_cnv_dbgfs_add(accel_dev);
+		adf_tl_dbgfs_add(accel_dev);
+	}
+}
+
+/**
+ * adf_dbgfs_rm() - remove non-persistent debugfs entries
+ * @accel_dev:  Pointer to acceleration device.
+ */
+void adf_dbgfs_rm(struct adf_accel_dev *accel_dev)
+{
+	if (!accel_dev->is_vf) {
+		adf_tl_dbgfs_rm(accel_dev);
+		adf_cnv_dbgfs_rm(accel_dev);
+		adf_pm_dbgfs_rm(accel_dev);
+		adf_heartbeat_dbgfs_rm(accel_dev);
+		adf_fw_counters_dbgfs_rm(accel_dev);
+	}
+}

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_dbgfs.h

@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright(c) 2023 Intel Corporation */
+
+#ifndef ADF_DBGFS_H
+#define ADF_DBGFS_H
+
+#ifdef CONFIG_DEBUG_FS
+void adf_dbgfs_init(struct adf_accel_dev *accel_dev);
+void adf_dbgfs_add(struct adf_accel_dev *accel_dev);
+void adf_dbgfs_rm(struct adf_accel_dev *accel_dev);
+void adf_dbgfs_exit(struct adf_accel_dev *accel_dev);
+#else
+static inline void adf_dbgfs_init(struct adf_accel_dev *accel_dev)
+{
+}
+
+static inline void adf_dbgfs_add(struct adf_accel_dev *accel_dev)
+{
+}
+
+static inline void adf_dbgfs_rm(struct adf_accel_dev *accel_dev)
+{
+}
+
+static inline void adf_dbgfs_exit(struct adf_accel_dev *accel_dev)
+{
+}
+#endif
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_dc.c

@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2022 Intel Corporation */
+#include "adf_accel_devices.h"
+#include "adf_dc.h"
+#include "icp_qat_fw_comp.h"
+
+int qat_comp_build_ctx(struct adf_accel_dev *accel_dev, void *ctx, enum adf_dc_algo algo)
+{
+	struct icp_qat_fw_comp_req *req_tmpl = ctx;
+	struct icp_qat_fw_comp_cd_hdr *comp_cd_ctrl = &req_tmpl->comp_cd_ctrl;
+	struct icp_qat_fw_comp_req_params *req_pars = &req_tmpl->comp_pars;
+	struct icp_qat_fw_comn_req_hdr *header = &req_tmpl->comn_hdr;
+	int ret;
+
+	memset(req_tmpl, 0, sizeof(*req_tmpl));
+	header->hdr_flags =
+		ICP_QAT_FW_COMN_HDR_FLAGS_BUILD(ICP_QAT_FW_COMN_REQ_FLAG_SET);
+	header->service_type = ICP_QAT_FW_COMN_REQ_CPM_FW_COMP;
+	header->comn_req_flags =
+		ICP_QAT_FW_COMN_FLAGS_BUILD(QAT_COMN_CD_FLD_TYPE_16BYTE_DATA,
+					    QAT_COMN_PTR_TYPE_SGL);
+	header->serv_specif_flags =
+		ICP_QAT_FW_COMP_FLAGS_BUILD(ICP_QAT_FW_COMP_STATELESS_SESSION,
+					    ICP_QAT_FW_COMP_NOT_AUTO_SELECT_BEST,
+					    ICP_QAT_FW_COMP_NOT_ENH_AUTO_SELECT_BEST,
+					    ICP_QAT_FW_COMP_NOT_DISABLE_TYPE0_ENH_AUTO_SELECT_BEST,
+					    ICP_QAT_FW_COMP_ENABLE_SECURE_RAM_USED_AS_INTMD_BUF);
+
+	/* Build HW config block for compression */
+	ret = GET_DC_OPS(accel_dev)->build_comp_block(ctx, algo);
+	if (ret) {
+		dev_err(&GET_DEV(accel_dev), "Failed to build compression block\n");
+		return ret;
+	}
+
+	req_pars->crc.legacy.initial_adler = COMP_CPR_INITIAL_ADLER;
+	req_pars->crc.legacy.initial_crc32 = COMP_CPR_INITIAL_CRC;
+	req_pars->req_par_flags =
+		ICP_QAT_FW_COMP_REQ_PARAM_FLAGS_BUILD(ICP_QAT_FW_COMP_SOP,
+						      ICP_QAT_FW_COMP_EOP,
+						      ICP_QAT_FW_COMP_BFINAL,
+						      ICP_QAT_FW_COMP_CNV,
+						      ICP_QAT_FW_COMP_CNV_RECOVERY,
+						      ICP_QAT_FW_COMP_NO_CNV_DFX,
+						      ICP_QAT_FW_COMP_CRC_MODE_LEGACY,
+						      ICP_QAT_FW_COMP_NO_XXHASH_ACC,
+						      ICP_QAT_FW_COMP_CNV_ERROR_NONE,
+						      ICP_QAT_FW_COMP_NO_APPEND_CRC,
+						      ICP_QAT_FW_COMP_NO_DROP_DATA,
+						      ICP_QAT_FW_COMP_NO_PARTIAL_DECOMPRESS);
+	ICP_QAT_FW_COMN_NEXT_ID_SET(comp_cd_ctrl, ICP_QAT_FW_SLICE_DRAM_WR);
+	ICP_QAT_FW_COMN_CURR_ID_SET(comp_cd_ctrl, ICP_QAT_FW_SLICE_COMP);
+
+	/* Fill second half of the template for decompression */
+	memcpy(req_tmpl + 1, req_tmpl, sizeof(*req_tmpl));
+	req_tmpl++;
+
+	/* Build HW config block for decompression */
+	ret = GET_DC_OPS(accel_dev)->build_decomp_block(req_tmpl, algo);
+	if (ret)
+		dev_err(&GET_DEV(accel_dev), "Failed to build decompression block\n");
+
+	return ret;
+}

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_dc.h

@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright(c) 2025 Intel Corporation */
+#ifndef ADF_DC_H
+#define ADF_DC_H
+
+struct adf_accel_dev;
+
+enum adf_dc_algo {
+	QAT_DEFLATE,
+	QAT_LZ4,
+	QAT_LZ4S,
+	QAT_ZSTD,
+};
+
+int qat_comp_build_ctx(struct adf_accel_dev *accel_dev, void *ctx, enum adf_dc_algo algo);
+
+#endif /* ADF_DC_H */

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_dev_mgr.c

@@ -0,0 +1,372 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2014 - 2020 Intel Corporation */
+#include <linux/mutex.h>
+#include <linux/list.h>
+#include "adf_cfg.h"
+#include "adf_common_drv.h"
+
+static LIST_HEAD(accel_table);
+static LIST_HEAD(vfs_table);
+static DEFINE_MUTEX(table_lock);
+static u32 num_devices;
+static u8 id_map[ADF_MAX_DEVICES];
+
+struct vf_id_map {
+	u32 bdf;
+	u32 id;
+	u32 fake_id;
+	bool attached;
+	struct list_head list;
+};
+
+static int adf_get_vf_id(struct adf_accel_dev *vf)
+{
+	return ((7 * (PCI_SLOT(accel_to_pci_dev(vf)->devfn) - 1)) +
+		PCI_FUNC(accel_to_pci_dev(vf)->devfn) +
+		(PCI_SLOT(accel_to_pci_dev(vf)->devfn) - 1));
+}
+
+static int adf_get_vf_num(struct adf_accel_dev *vf)
+{
+	return (accel_to_pci_dev(vf)->bus->number << 8) | adf_get_vf_id(vf);
+}
+
+static struct vf_id_map *adf_find_vf(u32 bdf)
+{
+	struct list_head *itr;
+
+	list_for_each(itr, &vfs_table) {
+		struct vf_id_map *ptr =
+			list_entry(itr, struct vf_id_map, list);
+
+		if (ptr->bdf == bdf)
+			return ptr;
+	}
+	return NULL;
+}
+
+/**
+ * adf_clean_vf_map() - Cleans VF id mappings
+ * @vf: flag indicating whether mappings is cleaned
+ *	for vfs only or for vfs and pfs
+ *
+ * Function cleans internal ids for virtual functions.
+ */
+void adf_clean_vf_map(bool vf)
+{
+	struct vf_id_map *map;
+	struct list_head *ptr, *tmp;
+
+	mutex_lock(&table_lock);
+	list_for_each_safe(ptr, tmp, &vfs_table) {
+		map = list_entry(ptr, struct vf_id_map, list);
+		if (map->bdf != -1) {
+			id_map[map->id] = 0;
+			num_devices--;
+		}
+
+		if (vf && map->bdf == -1)
+			continue;
+
+		list_del(ptr);
+		kfree(map);
+	}
+	mutex_unlock(&table_lock);
+}
+EXPORT_SYMBOL_GPL(adf_clean_vf_map);
+
+/**
+ * adf_devmgr_update_class_index() - Update internal index
+ * @hw_data:  Pointer to internal device data.
+ *
+ * Function updates internal dev index for VFs
+ */
+void adf_devmgr_update_class_index(struct adf_hw_device_data *hw_data)
+{
+	struct adf_hw_device_class *class = hw_data->dev_class;
+	struct list_head *itr;
+	int i = 0;
+
+	list_for_each(itr, &accel_table) {
+		struct adf_accel_dev *ptr =
+				list_entry(itr, struct adf_accel_dev, list);
+
+		if (ptr->hw_device->dev_class == class)
+			ptr->hw_device->instance_id = i++;
+
+		if (i == class->instances)
+			break;
+	}
+}
+EXPORT_SYMBOL_GPL(adf_devmgr_update_class_index);
+
+static unsigned int adf_find_free_id(void)
+{
+	unsigned int i;
+
+	for (i = 0; i < ADF_MAX_DEVICES; i++) {
+		if (!id_map[i]) {
+			id_map[i] = 1;
+			return i;
+		}
+	}
+	return ADF_MAX_DEVICES + 1;
+}
+
+/**
+ * adf_devmgr_add_dev() - Add accel_dev to the acceleration framework
+ * @accel_dev:  Pointer to acceleration device.
+ * @pf:		Corresponding PF if the accel_dev is a VF
+ *
+ * Function adds acceleration device to the acceleration framework.
+ * To be used by QAT device specific drivers.
+ *
+ * Return: 0 on success, error code otherwise.
+ */
+int adf_devmgr_add_dev(struct adf_accel_dev *accel_dev,
+		       struct adf_accel_dev *pf)
+{
+	struct list_head *itr;
+	int ret = 0;
+
+	if (num_devices == ADF_MAX_DEVICES) {
+		dev_err(&GET_DEV(accel_dev), "Only support up to %d devices\n",
+			ADF_MAX_DEVICES);
+		return -EFAULT;
+	}
+
+	mutex_lock(&table_lock);
+	atomic_set(&accel_dev->ref_count, 0);
+
+	/* PF on host or VF on guest - optimized to remove redundant is_vf */
+	if (!accel_dev->is_vf || !pf) {
+		struct vf_id_map *map;
+
+		list_for_each(itr, &accel_table) {
+			struct adf_accel_dev *ptr =
+				list_entry(itr, struct adf_accel_dev, list);
+
+			if (ptr == accel_dev) {
+				ret = -EEXIST;
+				goto unlock;
+			}
+		}
+
+		list_add_tail(&accel_dev->list, &accel_table);
+		accel_dev->accel_id = adf_find_free_id();
+		if (accel_dev->accel_id > ADF_MAX_DEVICES) {
+			ret = -EFAULT;
+			goto unlock;
+		}
+		num_devices++;
+		map = kzalloc_obj(*map);
+		if (!map) {
+			ret = -ENOMEM;
+			goto unlock;
+		}
+		map->bdf = ~0;
+		map->id = accel_dev->accel_id;
+		map->fake_id = map->id;
+		map->attached = true;
+		list_add_tail(&map->list, &vfs_table);
+	} else if (accel_dev->is_vf && pf) {
+		/* VF on host */
+		struct vf_id_map *map;
+
+		map = adf_find_vf(adf_get_vf_num(accel_dev));
+		if (map) {
+			struct vf_id_map *next;
+
+			accel_dev->accel_id = map->id;
+			list_add_tail(&accel_dev->list, &accel_table);
+			map->fake_id++;
+			map->attached = true;
+			next = list_next_entry(map, list);
+			while (next && &next->list != &vfs_table) {
+				next->fake_id++;
+				next = list_next_entry(next, list);
+			}
+
+			ret = 0;
+			goto unlock;
+		}
+
+		map = kzalloc_obj(*map);
+		if (!map) {
+			ret = -ENOMEM;
+			goto unlock;
+		}
+		accel_dev->accel_id = adf_find_free_id();
+		if (accel_dev->accel_id > ADF_MAX_DEVICES) {
+			kfree(map);
+			ret = -EFAULT;
+			goto unlock;
+		}
+		num_devices++;
+		list_add_tail(&accel_dev->list, &accel_table);
+		map->bdf = adf_get_vf_num(accel_dev);
+		map->id = accel_dev->accel_id;
+		map->fake_id = map->id;
+		map->attached = true;
+		list_add_tail(&map->list, &vfs_table);
+	}
+	mutex_init(&accel_dev->state_lock);
+unlock:
+	mutex_unlock(&table_lock);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(adf_devmgr_add_dev);
+
+struct list_head *adf_devmgr_get_head(void)
+{
+	return &accel_table;
+}
+
+/**
+ * adf_devmgr_rm_dev() - Remove accel_dev from the acceleration framework.
+ * @accel_dev:  Pointer to acceleration device.
+ * @pf:		Corresponding PF if the accel_dev is a VF
+ *
+ * Function removes acceleration device from the acceleration framework.
+ * To be used by QAT device specific drivers.
+ *
+ * Return: void
+ */
+void adf_devmgr_rm_dev(struct adf_accel_dev *accel_dev,
+		       struct adf_accel_dev *pf)
+{
+	mutex_lock(&table_lock);
+	/* PF on host or VF on guest - optimized to remove redundant is_vf */
+	if (!accel_dev->is_vf || !pf) {
+		id_map[accel_dev->accel_id] = 0;
+		num_devices--;
+	} else if (accel_dev->is_vf && pf) {
+		struct vf_id_map *map, *next;
+
+		map = adf_find_vf(adf_get_vf_num(accel_dev));
+		if (!map) {
+			dev_err(&GET_DEV(accel_dev), "Failed to find VF map\n");
+			goto unlock;
+		}
+		map->fake_id--;
+		map->attached = false;
+		next = list_next_entry(map, list);
+		while (next && &next->list != &vfs_table) {
+			next->fake_id--;
+			next = list_next_entry(next, list);
+		}
+	}
+unlock:
+	mutex_destroy(&accel_dev->state_lock);
+	list_del(&accel_dev->list);
+	mutex_unlock(&table_lock);
+}
+EXPORT_SYMBOL_GPL(adf_devmgr_rm_dev);
+
+/**
+ * adf_devmgr_pci_to_accel_dev() - Get accel_dev associated with the pci_dev.
+ * @pci_dev:  Pointer to PCI device.
+ *
+ * Function returns acceleration device associated with the given PCI device.
+ * To be used by QAT device specific drivers.
+ *
+ * Return: pointer to accel_dev or NULL if not found.
+ */
+struct adf_accel_dev *adf_devmgr_pci_to_accel_dev(struct pci_dev *pci_dev)
+{
+	struct list_head *itr;
+
+	mutex_lock(&table_lock);
+	list_for_each(itr, &accel_table) {
+		struct adf_accel_dev *ptr =
+				list_entry(itr, struct adf_accel_dev, list);
+
+		if (ptr->accel_pci_dev.pci_dev == pci_dev) {
+			mutex_unlock(&table_lock);
+			return ptr;
+		}
+	}
+	mutex_unlock(&table_lock);
+	return NULL;
+}
+EXPORT_SYMBOL_GPL(adf_devmgr_pci_to_accel_dev);
+
+/**
+ * adf_dev_in_use() - Check whether accel_dev is currently in use
+ * @accel_dev: Pointer to acceleration device.
+ *
+ * To be used by QAT device specific drivers.
+ *
+ * Return: 1 when device is in use, 0 otherwise.
+ */
+int adf_dev_in_use(struct adf_accel_dev *accel_dev)
+{
+	return atomic_read(&accel_dev->ref_count) != 0;
+}
+EXPORT_SYMBOL_GPL(adf_dev_in_use);
+
+/**
+ * adf_dev_get() - Increment accel_dev reference count
+ * @accel_dev: Pointer to acceleration device.
+ *
+ * Increment the accel_dev refcount and if this is the first time
+ * incrementing it during this period the accel_dev is in use,
+ * increment the module refcount too.
+ * To be used by QAT device specific drivers.
+ *
+ * Return: 0 when successful, EFAULT when fail to bump module refcount
+ */
+int adf_dev_get(struct adf_accel_dev *accel_dev)
+{
+	if (atomic_add_return(1, &accel_dev->ref_count) == 1)
+		if (!try_module_get(accel_dev->owner))
+			return -EFAULT;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(adf_dev_get);
+
+/**
+ * adf_dev_put() - Decrement accel_dev reference count
+ * @accel_dev: Pointer to acceleration device.
+ *
+ * Decrement the accel_dev refcount and if this is the last time
+ * decrementing it during this period the accel_dev is in use,
+ * decrement the module refcount too.
+ * To be used by QAT device specific drivers.
+ *
+ * Return: void
+ */
+void adf_dev_put(struct adf_accel_dev *accel_dev)
+{
+	if (atomic_sub_return(1, &accel_dev->ref_count) == 0)
+		module_put(accel_dev->owner);
+}
+EXPORT_SYMBOL_GPL(adf_dev_put);
+
+/**
+ * adf_devmgr_in_reset() - Check whether device is in reset
+ * @accel_dev: Pointer to acceleration device.
+ *
+ * To be used by QAT device specific drivers.
+ *
+ * Return: 1 when the device is being reset, 0 otherwise.
+ */
+int adf_devmgr_in_reset(struct adf_accel_dev *accel_dev)
+{
+	return test_bit(ADF_STATUS_RESTARTING, &accel_dev->status);
+}
+EXPORT_SYMBOL_GPL(adf_devmgr_in_reset);
+
+/**
+ * adf_dev_started() - Check whether device has started
+ * @accel_dev: Pointer to acceleration device.
+ *
+ * To be used by QAT device specific drivers.
+ *
+ * Return: 1 when the device has started, 0 otherwise
+ */
+int adf_dev_started(struct adf_accel_dev *accel_dev)
+{
+	return test_bit(ADF_STATUS_STARTED, &accel_dev->status);
+}
+EXPORT_SYMBOL_GPL(adf_dev_started);

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_fw_config.h

@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright(c) 2023 Intel Corporation */
+#ifndef ADF_FW_CONFIG_H_
+#define ADF_FW_CONFIG_H_
+
+enum adf_fw_objs {
+	ADF_FW_SYM_OBJ,
+	ADF_FW_ASYM_OBJ,
+	ADF_FW_DC_OBJ,
+	ADF_FW_ADMIN_OBJ,
+	ADF_FW_CY_OBJ,
+	ADF_FW_WCY_OBJ,
+};
+
+struct adf_fw_config {
+	u32 ae_mask;
+	enum adf_fw_objs obj;
+};
+
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_fw_counters.c

@@ -0,0 +1,265 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2023 Intel Corporation */
+#include <linux/bitops.h>
+#include <linux/debugfs.h>
+#include <linux/err.h>
+#include <linux/fs.h>
+#include <linux/kernel.h>
+#include <linux/seq_file.h>
+#include <linux/types.h>
+
+#include "adf_accel_devices.h"
+#include "adf_admin.h"
+#include "adf_common_drv.h"
+#include "adf_fw_counters.h"
+
+#define ADF_FW_COUNTERS_MAX_PADDING 16
+
+enum adf_fw_counters_types {
+	ADF_FW_REQUESTS,
+	ADF_FW_RESPONSES,
+	ADF_FW_COUNTERS_COUNT
+};
+
+static const char * const adf_fw_counter_names[] = {
+	[ADF_FW_REQUESTS] = "Requests",
+	[ADF_FW_RESPONSES] = "Responses",
+};
+
+static_assert(ARRAY_SIZE(adf_fw_counter_names) == ADF_FW_COUNTERS_COUNT);
+
+struct adf_ae_counters {
+	u16 ae;
+	u64 values[ADF_FW_COUNTERS_COUNT];
+};
+
+struct adf_fw_counters {
+	u16 ae_count;
+	struct adf_ae_counters ae_counters[] __counted_by(ae_count);
+};
+
+static void adf_fw_counters_parse_ae_values(struct adf_ae_counters *ae_counters, u32 ae,
+					    u64 req_count, u64 resp_count)
+{
+	ae_counters->ae = ae;
+	ae_counters->values[ADF_FW_REQUESTS] = req_count;
+	ae_counters->values[ADF_FW_RESPONSES] = resp_count;
+}
+
+static int adf_fw_counters_load_from_device(struct adf_accel_dev *accel_dev,
+					    struct adf_fw_counters *fw_counters)
+{
+	struct adf_hw_device_data *hw_data = GET_HW_DATA(accel_dev);
+	unsigned long ae_mask;
+	unsigned int i;
+	unsigned long ae;
+
+	/* Ignore the admin AEs */
+	ae_mask = hw_data->ae_mask & ~hw_data->admin_ae_mask;
+
+	if (hweight_long(ae_mask) > fw_counters->ae_count)
+		return -EINVAL;
+
+	i = 0;
+	for_each_set_bit(ae, &ae_mask, GET_MAX_ACCELENGINES(accel_dev)) {
+		u64 req_count, resp_count;
+		int ret;
+
+		ret = adf_get_ae_fw_counters(accel_dev, ae, &req_count, &resp_count);
+		if (ret)
+			return ret;
+
+		adf_fw_counters_parse_ae_values(&fw_counters->ae_counters[i++], ae,
+						req_count, resp_count);
+	}
+
+	return 0;
+}
+
+static struct adf_fw_counters *adf_fw_counters_allocate(unsigned long ae_count)
+{
+	struct adf_fw_counters *fw_counters;
+
+	if (unlikely(!ae_count))
+		return ERR_PTR(-EINVAL);
+
+	fw_counters = kmalloc_flex(*fw_counters, ae_counters, ae_count);
+	if (!fw_counters)
+		return ERR_PTR(-ENOMEM);
+
+	fw_counters->ae_count = ae_count;
+
+	return fw_counters;
+}
+
+/**
+ * adf_fw_counters_get() - Return FW counters for the provided device.
+ * @accel_dev: Pointer to a QAT acceleration device
+ *
+ * Allocates and returns a table of counters containing execution statistics
+ * for each non-admin AE available through the supplied acceleration device.
+ * The caller becomes the owner of such memory and is responsible for
+ * the deallocation through a call to kfree().
+ *
+ * Returns: a pointer to a dynamically allocated struct adf_fw_counters
+ *          on success, or a negative value on error.
+ */
+static struct adf_fw_counters *adf_fw_counters_get(struct adf_accel_dev *accel_dev)
+{
+	struct adf_hw_device_data *hw_data = GET_HW_DATA(accel_dev);
+	struct adf_fw_counters *fw_counters;
+	unsigned long ae_count;
+	int ret;
+
+	if (!adf_dev_started(accel_dev)) {
+		dev_err(&GET_DEV(accel_dev), "QAT Device not started\n");
+		return ERR_PTR(-EFAULT);
+	}
+
+	/* Ignore the admin AEs */
+	ae_count = hweight_long(hw_data->ae_mask & ~hw_data->admin_ae_mask);
+
+	fw_counters = adf_fw_counters_allocate(ae_count);
+	if (IS_ERR(fw_counters))
+		return fw_counters;
+
+	ret = adf_fw_counters_load_from_device(accel_dev, fw_counters);
+	if (ret) {
+		kfree(fw_counters);
+		dev_err(&GET_DEV(accel_dev),
+			"Failed to create QAT fw_counters file table [%d].\n", ret);
+		return ERR_PTR(ret);
+	}
+
+	return fw_counters;
+}
+
+static void *qat_fw_counters_seq_start(struct seq_file *sfile, loff_t *pos)
+{
+	struct adf_fw_counters *fw_counters = sfile->private;
+
+	if (*pos == 0)
+		return SEQ_START_TOKEN;
+
+	if (*pos > fw_counters->ae_count)
+		return NULL;
+
+	return &fw_counters->ae_counters[*pos - 1];
+}
+
+static void *qat_fw_counters_seq_next(struct seq_file *sfile, void *v, loff_t *pos)
+{
+	struct adf_fw_counters *fw_counters = sfile->private;
+
+	(*pos)++;
+
+	if (*pos > fw_counters->ae_count)
+		return NULL;
+
+	return &fw_counters->ae_counters[*pos - 1];
+}
+
+static void qat_fw_counters_seq_stop(struct seq_file *sfile, void *v) {}
+
+static int qat_fw_counters_seq_show(struct seq_file *sfile, void *v)
+{
+	int i;
+
+	if (v == SEQ_START_TOKEN) {
+		seq_puts(sfile, "AE ");
+		for (i = 0; i < ADF_FW_COUNTERS_COUNT; ++i)
+			seq_printf(sfile, " %*s", ADF_FW_COUNTERS_MAX_PADDING,
+				   adf_fw_counter_names[i]);
+	} else {
+		struct adf_ae_counters *ae_counters = (struct adf_ae_counters *)v;
+
+		seq_printf(sfile, "%2d:", ae_counters->ae);
+		for (i = 0; i < ADF_FW_COUNTERS_COUNT; ++i)
+			seq_printf(sfile, " %*llu", ADF_FW_COUNTERS_MAX_PADDING,
+				   ae_counters->values[i]);
+	}
+	seq_putc(sfile, '\n');
+
+	return 0;
+}
+
+static const struct seq_operations qat_fw_counters_sops = {
+	.start = qat_fw_counters_seq_start,
+	.next = qat_fw_counters_seq_next,
+	.stop = qat_fw_counters_seq_stop,
+	.show = qat_fw_counters_seq_show,
+};
+
+static int qat_fw_counters_file_open(struct inode *inode, struct file *file)
+{
+	struct adf_accel_dev *accel_dev = inode->i_private;
+	struct seq_file *fw_counters_seq_file;
+	struct adf_fw_counters *fw_counters;
+	int ret;
+
+	fw_counters = adf_fw_counters_get(accel_dev);
+	if (IS_ERR(fw_counters))
+		return PTR_ERR(fw_counters);
+
+	ret = seq_open(file, &qat_fw_counters_sops);
+	if (unlikely(ret)) {
+		kfree(fw_counters);
+		return ret;
+	}
+
+	fw_counters_seq_file = file->private_data;
+	fw_counters_seq_file->private = fw_counters;
+	return ret;
+}
+
+static int qat_fw_counters_file_release(struct inode *inode, struct file *file)
+{
+	struct seq_file *seq = file->private_data;
+
+	kfree(seq->private);
+	seq->private = NULL;
+
+	return seq_release(inode, file); }
+
+static const struct file_operations qat_fw_counters_fops = {
+	.owner = THIS_MODULE,
+	.open = qat_fw_counters_file_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = qat_fw_counters_file_release,
+};
+
+/**
+ * adf_fw_counters_dbgfs_add() - Create a debugfs file containing FW
+ * execution counters.
+ * @accel_dev:  Pointer to a QAT acceleration device
+ *
+ * Function creates a file to display a table with statistics for the given
+ * QAT acceleration device. The table stores device specific execution values
+ * for each AE, such as the number of requests sent to the FW and responses
+ * received from the FW.
+ *
+ * Return: void
+ */
+void adf_fw_counters_dbgfs_add(struct adf_accel_dev *accel_dev)
+{
+	accel_dev->fw_cntr_dbgfile = debugfs_create_file("fw_counters", 0400,
+							 accel_dev->debugfs_dir,
+							 accel_dev,
+							 &qat_fw_counters_fops);
+}
+
+/**
+ * adf_fw_counters_dbgfs_rm() - Remove the debugfs file containing FW counters.
+ * @accel_dev:  Pointer to a QAT acceleration device.
+ *
+ * Function removes the file providing the table of statistics for the given
+ * QAT acceleration device.
+ *
+ * Return: void
+ */
+void adf_fw_counters_dbgfs_rm(struct adf_accel_dev *accel_dev)
+{
+	debugfs_remove(accel_dev->fw_cntr_dbgfile);
+	accel_dev->fw_cntr_dbgfile = NULL;
+}

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_fw_counters.h

@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright(c) 2023 Intel Corporation */
+#ifndef ADF_FW_COUNTERS_H
+#define ADF_FW_COUNTERS_H
+
+struct adf_accel_dev;
+
+void adf_fw_counters_dbgfs_add(struct adf_accel_dev *accel_dev);
+void adf_fw_counters_dbgfs_rm(struct adf_accel_dev *accel_dev);
+
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_gen2_config.c

@@ -0,0 +1,213 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2022 Intel Corporation */
+#include "adf_accel_devices.h"
+#include "adf_cfg.h"
+#include "adf_cfg_strings.h"
+#include "adf_gen2_config.h"
+#include "adf_common_drv.h"
+#include "qat_crypto.h"
+#include "qat_compression.h"
+#include "adf_heartbeat.h"
+#include "adf_transport_access_macros.h"
+
+static int adf_gen2_crypto_dev_config(struct adf_accel_dev *accel_dev)
+{
+	char key[ADF_CFG_MAX_KEY_LEN_IN_BYTES];
+	int banks = GET_MAX_BANKS(accel_dev);
+	int cpus = num_online_cpus();
+	unsigned long val;
+	int instances;
+	int ret;
+	int i;
+
+	if (adf_hw_dev_has_crypto(accel_dev))
+		instances = min(cpus, banks);
+	else
+		instances = 0;
+
+	for (i = 0; i < instances; i++) {
+		val = i;
+		snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_BANK_NUM, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_BANK_NUM, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		snprintf(key, sizeof(key), ADF_CY "%d" ADF_ETRMGR_CORE_AFFINITY,
+			 i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_SIZE, i);
+		val = 128;
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		val = 512;
+		snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_SIZE, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		val = 0;
+		snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_TX, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		val = 2;
+		snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_TX, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		val = 8;
+		snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_RX, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		val = 10;
+		snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_RX, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		val = ADF_COALESCING_DEF_TIME;
+		snprintf(key, sizeof(key), ADF_ETRMGR_COALESCE_TIMER_FORMAT, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, "Accelerator0",
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+	}
+
+	val = i;
+	ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, ADF_NUM_CY,
+					  &val, ADF_DEC);
+	if (ret)
+		goto err;
+
+	return ret;
+
+err:
+	dev_err(&GET_DEV(accel_dev), "Failed to add configuration for crypto\n");
+	return ret;
+}
+
+static int adf_gen2_comp_dev_config(struct adf_accel_dev *accel_dev)
+{
+	char key[ADF_CFG_MAX_KEY_LEN_IN_BYTES];
+	int banks = GET_MAX_BANKS(accel_dev);
+	int cpus = num_online_cpus();
+	unsigned long val;
+	int instances;
+	int ret;
+	int i;
+
+	if (adf_hw_dev_has_compression(accel_dev))
+		instances = min(cpus, banks);
+	else
+		instances = 0;
+
+	for (i = 0; i < instances; i++) {
+		val = i;
+		snprintf(key, sizeof(key), ADF_DC "%d" ADF_RING_DC_BANK_NUM, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		val = 512;
+		snprintf(key, sizeof(key), ADF_DC "%d" ADF_RING_DC_SIZE, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		val = 6;
+		snprintf(key, sizeof(key), ADF_DC "%d" ADF_RING_DC_TX, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		val = 14;
+		snprintf(key, sizeof(key), ADF_DC "%d" ADF_RING_DC_RX, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+	}
+
+	val = i;
+	ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, ADF_NUM_DC,
+					  &val, ADF_DEC);
+	if (ret)
+		return ret;
+
+	return ret;
+
+err:
+	dev_err(&GET_DEV(accel_dev), "Failed to add configuration for compression\n");
+	return ret;
+}
+
+/**
+ * adf_gen2_dev_config() - create dev config required to create instances
+ *
+ * @accel_dev: Pointer to acceleration device.
+ *
+ * Function creates device configuration required to create instances
+ *
+ * Return: 0 on success, error code otherwise.
+ */
+int adf_gen2_dev_config(struct adf_accel_dev *accel_dev)
+{
+	int ret;
+
+	ret = adf_cfg_section_add(accel_dev, ADF_KERNEL_SEC);
+	if (ret)
+		goto err;
+
+	ret = adf_cfg_section_add(accel_dev, "Accelerator0");
+	if (ret)
+		goto err;
+
+	ret = adf_gen2_crypto_dev_config(accel_dev);
+	if (ret)
+		goto err;
+
+	ret = adf_gen2_comp_dev_config(accel_dev);
+	if (ret)
+		goto err;
+
+	ret = adf_cfg_section_add(accel_dev, ADF_GENERAL_SEC);
+	if (ret)
+		goto err;
+
+	adf_heartbeat_save_cfg_param(accel_dev, ADF_CFG_HB_TIMER_DEFAULT_MS);
+
+	set_bit(ADF_STATUS_CONFIGURED, &accel_dev->status);
+
+	return ret;
+
+err:
+	dev_err(&GET_DEV(accel_dev), "Failed to configure QAT driver\n");
+	return ret;
+}
+EXPORT_SYMBOL_GPL(adf_gen2_dev_config);

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_gen2_config.h

@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright(c) 2022 Intel Corporation */
+#ifndef ADF_GEN2_CONFIG_H_
+#define ADF_GEN2_CONFIG_H_
+
+#include "adf_accel_devices.h"
+
+int adf_gen2_dev_config(struct adf_accel_dev *accel_dev);
+
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_gen2_hw_csr_data.c

@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2024 Intel Corporation */
+#include <linux/types.h>
+#include "adf_gen2_hw_csr_data.h"
+
+static u64 build_csr_ring_base_addr(dma_addr_t addr, u32 size)
+{
+	return BUILD_RING_BASE_ADDR(addr, size);
+}
+
+static u32 read_csr_ring_head(void __iomem *csr_base_addr, u32 bank, u32 ring)
+{
+	return READ_CSR_RING_HEAD(csr_base_addr, bank, ring);
+}
+
+static void write_csr_ring_head(void __iomem *csr_base_addr, u32 bank, u32 ring,
+				u32 value)
+{
+	WRITE_CSR_RING_HEAD(csr_base_addr, bank, ring, value);
+}
+
+static u32 read_csr_ring_tail(void __iomem *csr_base_addr, u32 bank, u32 ring)
+{
+	return READ_CSR_RING_TAIL(csr_base_addr, bank, ring);
+}
+
+static void write_csr_ring_tail(void __iomem *csr_base_addr, u32 bank, u32 ring,
+				u32 value)
+{
+	WRITE_CSR_RING_TAIL(csr_base_addr, bank, ring, value);
+}
+
+static u32 read_csr_e_stat(void __iomem *csr_base_addr, u32 bank)
+{
+	return READ_CSR_E_STAT(csr_base_addr, bank);
+}
+
+static void write_csr_ring_config(void __iomem *csr_base_addr, u32 bank,
+				  u32 ring, u32 value)
+{
+	WRITE_CSR_RING_CONFIG(csr_base_addr, bank, ring, value);
+}
+
+static void write_csr_ring_base(void __iomem *csr_base_addr, u32 bank, u32 ring,
+				dma_addr_t addr)
+{
+	WRITE_CSR_RING_BASE(csr_base_addr, bank, ring, addr);
+}
+
+static void write_csr_int_flag(void __iomem *csr_base_addr, u32 bank, u32 value)
+{
+	WRITE_CSR_INT_FLAG(csr_base_addr, bank, value);
+}
+
+static void write_csr_int_srcsel(void __iomem *csr_base_addr, u32 bank)
+{
+	WRITE_CSR_INT_SRCSEL(csr_base_addr, bank);
+}
+
+static void write_csr_int_col_en(void __iomem *csr_base_addr, u32 bank,
+				 u32 value)
+{
+	WRITE_CSR_INT_COL_EN(csr_base_addr, bank, value);
+}
+
+static void write_csr_int_col_ctl(void __iomem *csr_base_addr, u32 bank,
+				  u32 value)
+{
+	WRITE_CSR_INT_COL_CTL(csr_base_addr, bank, value);
+}
+
+static void write_csr_int_flag_and_col(void __iomem *csr_base_addr, u32 bank,
+				       u32 value)
+{
+	WRITE_CSR_INT_FLAG_AND_COL(csr_base_addr, bank, value);
+}
+
+static void write_csr_ring_srv_arb_en(void __iomem *csr_base_addr, u32 bank,
+				      u32 value)
+{
+	WRITE_CSR_RING_SRV_ARB_EN(csr_base_addr, bank, value);
+}
+
+void adf_gen2_init_hw_csr_ops(struct adf_hw_csr_ops *csr_ops)
+{
+	csr_ops->build_csr_ring_base_addr = build_csr_ring_base_addr;
+	csr_ops->read_csr_ring_head = read_csr_ring_head;
+	csr_ops->write_csr_ring_head = write_csr_ring_head;
+	csr_ops->read_csr_ring_tail = read_csr_ring_tail;
+	csr_ops->write_csr_ring_tail = write_csr_ring_tail;
+	csr_ops->read_csr_e_stat = read_csr_e_stat;
+	csr_ops->write_csr_ring_config = write_csr_ring_config;
+	csr_ops->write_csr_ring_base = write_csr_ring_base;
+	csr_ops->write_csr_int_flag = write_csr_int_flag;
+	csr_ops->write_csr_int_srcsel = write_csr_int_srcsel;
+	csr_ops->write_csr_int_col_en = write_csr_int_col_en;
+	csr_ops->write_csr_int_col_ctl = write_csr_int_col_ctl;
+	csr_ops->write_csr_int_flag_and_col = write_csr_int_flag_and_col;
+	csr_ops->write_csr_ring_srv_arb_en = write_csr_ring_srv_arb_en;
+}
+EXPORT_SYMBOL_GPL(adf_gen2_init_hw_csr_ops);

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_gen2_hw_csr_data.h

@@ -0,0 +1,86 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright(c) 2024 Intel Corporation */
+#ifndef ADF_GEN2_HW_CSR_DATA_H_
+#define ADF_GEN2_HW_CSR_DATA_H_
+
+#include <linux/bitops.h>
+#include "adf_accel_devices.h"
+
+#define ADF_BANK_INT_SRC_SEL_MASK_0	0x4444444CUL
+#define ADF_BANK_INT_SRC_SEL_MASK_X	0x44444444UL
+#define ADF_RING_CSR_RING_CONFIG	0x000
+#define ADF_RING_CSR_RING_LBASE		0x040
+#define ADF_RING_CSR_RING_UBASE		0x080
+#define ADF_RING_CSR_RING_HEAD		0x0C0
+#define ADF_RING_CSR_RING_TAIL		0x100
+#define ADF_RING_CSR_E_STAT		0x14C
+#define ADF_RING_CSR_INT_FLAG		0x170
+#define ADF_RING_CSR_INT_SRCSEL		0x174
+#define ADF_RING_CSR_INT_SRCSEL_2	0x178
+#define ADF_RING_CSR_INT_COL_EN		0x17C
+#define ADF_RING_CSR_INT_COL_CTL	0x180
+#define ADF_RING_CSR_INT_FLAG_AND_COL	0x184
+#define ADF_RING_CSR_INT_COL_CTL_ENABLE	0x80000000
+#define ADF_RING_BUNDLE_SIZE		0x1000
+#define ADF_ARB_REG_SLOT		0x1000
+#define ADF_ARB_RINGSRVARBEN_OFFSET	0x19C
+
+#define BUILD_RING_BASE_ADDR(addr, size) \
+	(((addr) >> 6) & (GENMASK_ULL(63, 0) << (size)))
+#define READ_CSR_RING_HEAD(csr_base_addr, bank, ring) \
+	ADF_CSR_RD(csr_base_addr, (ADF_RING_BUNDLE_SIZE * (bank)) + \
+		   ADF_RING_CSR_RING_HEAD + ((ring) << 2))
+#define READ_CSR_RING_TAIL(csr_base_addr, bank, ring) \
+	ADF_CSR_RD(csr_base_addr, (ADF_RING_BUNDLE_SIZE * (bank)) + \
+		   ADF_RING_CSR_RING_TAIL + ((ring) << 2))
+#define READ_CSR_E_STAT(csr_base_addr, bank) \
+	ADF_CSR_RD(csr_base_addr, (ADF_RING_BUNDLE_SIZE * (bank)) + \
+		   ADF_RING_CSR_E_STAT)
+#define WRITE_CSR_RING_CONFIG(csr_base_addr, bank, ring, value) \
+	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * (bank)) + \
+		   ADF_RING_CSR_RING_CONFIG + ((ring) << 2), value)
+#define WRITE_CSR_RING_BASE(csr_base_addr, bank, ring, value) \
+do { \
+	u32 l_base = 0, u_base = 0; \
+	l_base = (u32)((value) & 0xFFFFFFFF); \
+	u_base = (u32)(((value) & 0xFFFFFFFF00000000ULL) >> 32); \
+	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * (bank)) + \
+		   ADF_RING_CSR_RING_LBASE + ((ring) << 2), l_base); \
+	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * (bank)) + \
+		   ADF_RING_CSR_RING_UBASE + ((ring) << 2), u_base); \
+} while (0)
+
+#define WRITE_CSR_RING_HEAD(csr_base_addr, bank, ring, value) \
+	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * (bank)) + \
+		   ADF_RING_CSR_RING_HEAD + ((ring) << 2), value)
+#define WRITE_CSR_RING_TAIL(csr_base_addr, bank, ring, value) \
+	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * (bank)) + \
+		   ADF_RING_CSR_RING_TAIL + ((ring) << 2), value)
+#define WRITE_CSR_INT_FLAG(csr_base_addr, bank, value) \
+	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * (bank)) + \
+		   ADF_RING_CSR_INT_FLAG, value)
+#define WRITE_CSR_INT_SRCSEL(csr_base_addr, bank) \
+do { \
+	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * (bank)) + \
+	ADF_RING_CSR_INT_SRCSEL, ADF_BANK_INT_SRC_SEL_MASK_0); \
+	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * (bank)) + \
+	ADF_RING_CSR_INT_SRCSEL_2, ADF_BANK_INT_SRC_SEL_MASK_X); \
+} while (0)
+#define WRITE_CSR_INT_COL_EN(csr_base_addr, bank, value) \
+	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * (bank)) + \
+		   ADF_RING_CSR_INT_COL_EN, value)
+#define WRITE_CSR_INT_COL_CTL(csr_base_addr, bank, value) \
+	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * (bank)) + \
+		   ADF_RING_CSR_INT_COL_CTL, \
+		   ADF_RING_CSR_INT_COL_CTL_ENABLE | (value))
+#define WRITE_CSR_INT_FLAG_AND_COL(csr_base_addr, bank, value) \
+	ADF_CSR_WR(csr_base_addr, (ADF_RING_BUNDLE_SIZE * (bank)) + \
+		   ADF_RING_CSR_INT_FLAG_AND_COL, value)
+
+#define WRITE_CSR_RING_SRV_ARB_EN(csr_addr, index, value) \
+	ADF_CSR_WR(csr_addr, ADF_ARB_RINGSRVARBEN_OFFSET + \
+	(ADF_ARB_REG_SLOT * (index)), value)
+
+void adf_gen2_init_hw_csr_ops(struct adf_hw_csr_ops *csr_ops);
+
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_gen2_hw_data.c

@@ -0,0 +1,228 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2020 Intel Corporation */
+#include "adf_common_drv.h"
+#include "adf_dc.h"
+#include "adf_gen2_hw_data.h"
+#include "icp_qat_fw_comp.h"
+#include "icp_qat_hw.h"
+#include <linux/pci.h>
+
+u32 adf_gen2_get_num_accels(struct adf_hw_device_data *self)
+{
+	if (!self || !self->accel_mask)
+		return 0;
+
+	return hweight16(self->accel_mask);
+}
+EXPORT_SYMBOL_GPL(adf_gen2_get_num_accels);
+
+u32 adf_gen2_get_num_aes(struct adf_hw_device_data *self)
+{
+	if (!self || !self->ae_mask)
+		return 0;
+
+	return hweight32(self->ae_mask);
+}
+EXPORT_SYMBOL_GPL(adf_gen2_get_num_aes);
+
+void adf_gen2_enable_error_correction(struct adf_accel_dev *accel_dev)
+{
+	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
+	void __iomem *pmisc_addr = adf_get_pmisc_base(accel_dev);
+	unsigned long accel_mask = hw_data->accel_mask;
+	unsigned long ae_mask = hw_data->ae_mask;
+	unsigned int val, i;
+
+	/* Enable Accel Engine error detection & correction */
+	for_each_set_bit(i, &ae_mask, hw_data->num_engines) {
+		val = ADF_CSR_RD(pmisc_addr, ADF_GEN2_AE_CTX_ENABLES(i));
+		val |= ADF_GEN2_ENABLE_AE_ECC_ERR;
+		ADF_CSR_WR(pmisc_addr, ADF_GEN2_AE_CTX_ENABLES(i), val);
+		val = ADF_CSR_RD(pmisc_addr, ADF_GEN2_AE_MISC_CONTROL(i));
+		val |= ADF_GEN2_ENABLE_AE_ECC_PARITY_CORR;
+		ADF_CSR_WR(pmisc_addr, ADF_GEN2_AE_MISC_CONTROL(i), val);
+	}
+
+	/* Enable shared memory error detection & correction */
+	for_each_set_bit(i, &accel_mask, hw_data->num_accel) {
+		val = ADF_CSR_RD(pmisc_addr, ADF_GEN2_UERRSSMSH(i));
+		val |= ADF_GEN2_ERRSSMSH_EN;
+		ADF_CSR_WR(pmisc_addr, ADF_GEN2_UERRSSMSH(i), val);
+		val = ADF_CSR_RD(pmisc_addr, ADF_GEN2_CERRSSMSH(i));
+		val |= ADF_GEN2_ERRSSMSH_EN;
+		ADF_CSR_WR(pmisc_addr, ADF_GEN2_CERRSSMSH(i), val);
+	}
+}
+EXPORT_SYMBOL_GPL(adf_gen2_enable_error_correction);
+
+void adf_gen2_cfg_iov_thds(struct adf_accel_dev *accel_dev, bool enable,
+			   int num_a_regs, int num_b_regs)
+{
+	void __iomem *pmisc_addr = adf_get_pmisc_base(accel_dev);
+	u32 reg;
+	int i;
+
+	/* Set/Unset Valid bit in AE Thread to PCIe Function Mapping Group A */
+	for (i = 0; i < num_a_regs; i++) {
+		reg = READ_CSR_AE2FUNCTION_MAP_A(pmisc_addr, i);
+		if (enable)
+			reg |= AE2FUNCTION_MAP_VALID;
+		else
+			reg &= ~AE2FUNCTION_MAP_VALID;
+		WRITE_CSR_AE2FUNCTION_MAP_A(pmisc_addr, i, reg);
+	}
+
+	/* Set/Unset Valid bit in AE Thread to PCIe Function Mapping Group B */
+	for (i = 0; i < num_b_regs; i++) {
+		reg = READ_CSR_AE2FUNCTION_MAP_B(pmisc_addr, i);
+		if (enable)
+			reg |= AE2FUNCTION_MAP_VALID;
+		else
+			reg &= ~AE2FUNCTION_MAP_VALID;
+		WRITE_CSR_AE2FUNCTION_MAP_B(pmisc_addr, i, reg);
+	}
+}
+EXPORT_SYMBOL_GPL(adf_gen2_cfg_iov_thds);
+
+void adf_gen2_get_admin_info(struct admin_info *admin_csrs_info)
+{
+	admin_csrs_info->mailbox_offset = ADF_MAILBOX_BASE_OFFSET;
+	admin_csrs_info->admin_msg_ur = ADF_ADMINMSGUR_OFFSET;
+	admin_csrs_info->admin_msg_lr = ADF_ADMINMSGLR_OFFSET;
+}
+EXPORT_SYMBOL_GPL(adf_gen2_get_admin_info);
+
+void adf_gen2_get_arb_info(struct arb_info *arb_info)
+{
+	arb_info->arb_cfg = ADF_ARB_CONFIG;
+	arb_info->arb_offset = ADF_ARB_OFFSET;
+	arb_info->wt2sam_offset = ADF_ARB_WRK_2_SER_MAP_OFFSET;
+}
+EXPORT_SYMBOL_GPL(adf_gen2_get_arb_info);
+
+void adf_gen2_enable_ints(struct adf_accel_dev *accel_dev)
+{
+	void __iomem *addr = adf_get_pmisc_base(accel_dev);
+	u32 val;
+
+	val = accel_dev->pf.vf_info ? 0 : BIT_ULL(GET_MAX_BANKS(accel_dev)) - 1;
+
+	/* Enable bundle and misc interrupts */
+	ADF_CSR_WR(addr, ADF_GEN2_SMIAPF0_MASK_OFFSET, val);
+	ADF_CSR_WR(addr, ADF_GEN2_SMIAPF1_MASK_OFFSET, ADF_GEN2_SMIA1_MASK);
+}
+EXPORT_SYMBOL_GPL(adf_gen2_enable_ints);
+
+u32 adf_gen2_get_accel_cap(struct adf_accel_dev *accel_dev)
+{
+	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
+	struct pci_dev *pdev = accel_dev->accel_pci_dev.pci_dev;
+	u32 fuses = hw_data->fuses[ADF_FUSECTL0];
+	u32 straps = hw_data->straps;
+	u32 legfuses;
+	u32 capabilities = ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC |
+			   ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC |
+			   ICP_ACCEL_CAPABILITIES_AUTHENTICATION |
+			   ICP_ACCEL_CAPABILITIES_CIPHER |
+			   ICP_ACCEL_CAPABILITIES_COMPRESSION;
+
+	/* Read accelerator capabilities mask */
+	pci_read_config_dword(pdev, ADF_DEVICE_LEGFUSE_OFFSET, &legfuses);
+
+	/* A set bit in legfuses means the feature is OFF in this SKU */
+	if (legfuses & ICP_ACCEL_MASK_CIPHER_SLICE) {
+		capabilities &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC;
+		capabilities &= ~ICP_ACCEL_CAPABILITIES_CIPHER;
+	}
+	if (legfuses & ICP_ACCEL_MASK_PKE_SLICE)
+		capabilities &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC;
+	if (legfuses & ICP_ACCEL_MASK_AUTH_SLICE) {
+		capabilities &= ~ICP_ACCEL_CAPABILITIES_AUTHENTICATION;
+		capabilities &= ~ICP_ACCEL_CAPABILITIES_CIPHER;
+	}
+	if (legfuses & ICP_ACCEL_MASK_COMPRESS_SLICE)
+		capabilities &= ~ICP_ACCEL_CAPABILITIES_COMPRESSION;
+
+	if ((straps | fuses) & ADF_POWERGATE_PKE)
+		capabilities &= ~ICP_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC;
+
+	if ((straps | fuses) & ADF_POWERGATE_DC)
+		capabilities &= ~ICP_ACCEL_CAPABILITIES_COMPRESSION;
+
+	return capabilities;
+}
+EXPORT_SYMBOL_GPL(adf_gen2_get_accel_cap);
+
+void adf_gen2_set_ssm_wdtimer(struct adf_accel_dev *accel_dev)
+{
+	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
+	void __iomem *pmisc_addr = adf_get_pmisc_base(accel_dev);
+	u32 timer_val_pke = ADF_SSM_WDT_PKE_DEFAULT_VALUE;
+	u32 timer_val = ADF_SSM_WDT_DEFAULT_VALUE;
+	unsigned long accel_mask = hw_data->accel_mask;
+	u32 i = 0;
+
+	/* Configures WDT timers */
+	for_each_set_bit(i, &accel_mask, hw_data->num_accel) {
+		/* Enable WDT for sym and dc */
+		ADF_CSR_WR(pmisc_addr, ADF_SSMWDT(i), timer_val);
+		/* Enable WDT for pke */
+		ADF_CSR_WR(pmisc_addr, ADF_SSMWDTPKE(i), timer_val_pke);
+	}
+}
+EXPORT_SYMBOL_GPL(adf_gen2_set_ssm_wdtimer);
+
+static int adf_gen2_build_comp_block(void *ctx, enum adf_dc_algo algo)
+{
+	struct icp_qat_fw_comp_req *req_tmpl = ctx;
+	struct icp_qat_fw_comp_req_hdr_cd_pars *cd_pars = &req_tmpl->cd_pars;
+	struct icp_qat_fw_comn_req_hdr *header = &req_tmpl->comn_hdr;
+
+	switch (algo) {
+	case QAT_DEFLATE:
+		header->service_cmd_id = ICP_QAT_FW_COMP_CMD_STATIC;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	cd_pars->u.sl.comp_slice_cfg_word[0] =
+		ICP_QAT_HW_COMPRESSION_CONFIG_BUILD(ICP_QAT_HW_COMPRESSION_DIR_COMPRESS,
+						    ICP_QAT_HW_COMPRESSION_DELAYED_MATCH_DISABLED,
+						    ICP_QAT_HW_COMPRESSION_ALGO_DEFLATE,
+						    ICP_QAT_HW_COMPRESSION_DEPTH_1,
+						    ICP_QAT_HW_COMPRESSION_FILE_TYPE_0);
+
+	return 0;
+}
+
+static int adf_gen2_build_decomp_block(void *ctx, enum adf_dc_algo algo)
+{
+	struct icp_qat_fw_comp_req *req_tmpl = ctx;
+	struct icp_qat_fw_comp_req_hdr_cd_pars *cd_pars = &req_tmpl->cd_pars;
+	struct icp_qat_fw_comn_req_hdr *header = &req_tmpl->comn_hdr;
+
+	switch (algo) {
+	case QAT_DEFLATE:
+		header->service_cmd_id = ICP_QAT_FW_COMP_CMD_DECOMPRESS;
+	break;
+	default:
+		return -EINVAL;
+	}
+
+	cd_pars->u.sl.comp_slice_cfg_word[0] =
+		ICP_QAT_HW_COMPRESSION_CONFIG_BUILD(ICP_QAT_HW_COMPRESSION_DIR_DECOMPRESS,
+						    ICP_QAT_HW_COMPRESSION_DELAYED_MATCH_DISABLED,
+						    ICP_QAT_HW_COMPRESSION_ALGO_DEFLATE,
+						    ICP_QAT_HW_COMPRESSION_DEPTH_1,
+						    ICP_QAT_HW_COMPRESSION_FILE_TYPE_0);
+
+	return 0;
+}
+
+void adf_gen2_init_dc_ops(struct adf_dc_ops *dc_ops)
+{
+	dc_ops->build_comp_block = adf_gen2_build_comp_block;
+	dc_ops->build_decomp_block = adf_gen2_build_decomp_block;
+}
+EXPORT_SYMBOL_GPL(adf_gen2_init_dc_ops);

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_gen2_hw_data.h

@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
+/* Copyright(c) 2020 Intel Corporation */
+#ifndef ADF_GEN2_HW_DATA_H_
+#define ADF_GEN2_HW_DATA_H_
+
+#include "adf_accel_devices.h"
+#include "adf_cfg_common.h"
+
+#define ADF_GEN2_RX_RINGS_OFFSET	8
+#define ADF_GEN2_TX_RINGS_MASK		0xFF
+
+/* AE to function map */
+#define AE2FUNCTION_MAP_A_OFFSET	(0x3A400 + 0x190)
+#define AE2FUNCTION_MAP_B_OFFSET	(0x3A400 + 0x310)
+#define AE2FUNCTION_MAP_REG_SIZE	4
+#define AE2FUNCTION_MAP_VALID		BIT(7)
+
+#define READ_CSR_AE2FUNCTION_MAP_A(pmisc_bar_addr, index) \
+	ADF_CSR_RD(pmisc_bar_addr, AE2FUNCTION_MAP_A_OFFSET + \
+		   AE2FUNCTION_MAP_REG_SIZE * (index))
+#define WRITE_CSR_AE2FUNCTION_MAP_A(pmisc_bar_addr, index, value) \
+	ADF_CSR_WR(pmisc_bar_addr, AE2FUNCTION_MAP_A_OFFSET + \
+		   AE2FUNCTION_MAP_REG_SIZE * (index), value)
+#define READ_CSR_AE2FUNCTION_MAP_B(pmisc_bar_addr, index) \
+	ADF_CSR_RD(pmisc_bar_addr, AE2FUNCTION_MAP_B_OFFSET + \
+		   AE2FUNCTION_MAP_REG_SIZE * (index))
+#define WRITE_CSR_AE2FUNCTION_MAP_B(pmisc_bar_addr, index, value) \
+	ADF_CSR_WR(pmisc_bar_addr, AE2FUNCTION_MAP_B_OFFSET + \
+		   AE2FUNCTION_MAP_REG_SIZE * (index), value)
+
+/* Admin Interface Offsets */
+#define ADF_ADMINMSGUR_OFFSET	(0x3A000 + 0x574)
+#define ADF_ADMINMSGLR_OFFSET	(0x3A000 + 0x578)
+#define ADF_MAILBOX_BASE_OFFSET	0x20970
+
+/* Arbiter configuration */
+#define ADF_ARB_OFFSET			0x30000
+#define ADF_ARB_WRK_2_SER_MAP_OFFSET	0x180
+#define ADF_ARB_CONFIG			(BIT(31) | BIT(6) | BIT(0))
+
+/* Power gating */
+#define ADF_POWERGATE_DC		BIT(23)
+#define ADF_POWERGATE_PKE		BIT(24)
+
+/* Default ring mapping */
+#define ADF_GEN2_DEFAULT_RING_TO_SRV_MAP \
+	(CRYPTO << ADF_CFG_SERV_RING_PAIR_0_SHIFT | \
+	 CRYPTO << ADF_CFG_SERV_RING_PAIR_1_SHIFT | \
+	 UNUSED << ADF_CFG_SERV_RING_PAIR_2_SHIFT | \
+	   COMP << ADF_CFG_SERV_RING_PAIR_3_SHIFT)
+
+/* WDT timers
+ *
+ * Timeout is in cycles. Clock speed may vary across products but this
+ * value should be a few milli-seconds.
+ */
+#define ADF_SSM_WDT_DEFAULT_VALUE	0x200000
+#define ADF_SSM_WDT_PKE_DEFAULT_VALUE	0x2000000
+#define ADF_SSMWDT_OFFSET		0x54
+#define ADF_SSMWDTPKE_OFFSET		0x58
+#define ADF_SSMWDT(i)		(ADF_SSMWDT_OFFSET + ((i) * 0x4000))
+#define ADF_SSMWDTPKE(i)	(ADF_SSMWDTPKE_OFFSET + ((i) * 0x4000))
+
+/* Error detection and correction */
+#define ADF_GEN2_AE_CTX_ENABLES(i)	((i) * 0x1000 + 0x20818)
+#define ADF_GEN2_AE_MISC_CONTROL(i)	((i) * 0x1000 + 0x20960)
+#define ADF_GEN2_ENABLE_AE_ECC_ERR	BIT(28)
+#define ADF_GEN2_ENABLE_AE_ECC_PARITY_CORR	(BIT(24) | BIT(12))
+#define ADF_GEN2_UERRSSMSH(i)		((i) * 0x4000 + 0x18)
+#define ADF_GEN2_CERRSSMSH(i)		((i) * 0x4000 + 0x10)
+#define ADF_GEN2_ERRSSMSH_EN		BIT(3)
+
+/* Number of heartbeat counter pairs */
+#define ADF_NUM_HB_CNT_PER_AE ADF_NUM_THREADS_PER_AE
+
+/* Interrupts */
+#define ADF_GEN2_SMIAPF0_MASK_OFFSET    (0x3A000 + 0x28)
+#define ADF_GEN2_SMIAPF1_MASK_OFFSET    (0x3A000 + 0x30)
+#define ADF_GEN2_SMIA1_MASK             0x1
+
+u32 adf_gen2_get_num_accels(struct adf_hw_device_data *self);
+u32 adf_gen2_get_num_aes(struct adf_hw_device_data *self);
+void adf_gen2_enable_error_correction(struct adf_accel_dev *accel_dev);
+void adf_gen2_cfg_iov_thds(struct adf_accel_dev *accel_dev, bool enable,
+			   int num_a_regs, int num_b_regs);
+void adf_gen2_get_admin_info(struct admin_info *admin_csrs_info);
+void adf_gen2_get_arb_info(struct arb_info *arb_info);
+void adf_gen2_enable_ints(struct adf_accel_dev *accel_dev);
+u32 adf_gen2_get_accel_cap(struct adf_accel_dev *accel_dev);
+void adf_gen2_set_ssm_wdtimer(struct adf_accel_dev *accel_dev);
+void adf_gen2_init_dc_ops(struct adf_dc_ops *dc_ops);
+
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_gen2_pfvf.c

@@ -0,0 +1,401 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2021 Intel Corporation */
+#include <linux/delay.h>
+#include <linux/iopoll.h>
+#include <linux/mutex.h>
+#include <linux/types.h>
+#include "adf_accel_devices.h"
+#include "adf_common_drv.h"
+#include "adf_gen2_pfvf.h"
+#include "adf_pfvf_msg.h"
+#include "adf_pfvf_pf_proto.h"
+#include "adf_pfvf_vf_proto.h"
+#include "adf_pfvf_utils.h"
+
+ /* VF2PF interrupts */
+#define ADF_GEN2_VF_MSK			0xFFFF
+#define ADF_GEN2_ERR_REG_VF2PF(vf_src)	(((vf_src) & 0x01FFFE00) >> 9)
+#define ADF_GEN2_ERR_MSK_VF2PF(vf_mask)	(((vf_mask) & ADF_GEN2_VF_MSK) << 9)
+
+#define ADF_GEN2_PF_PF2VF_OFFSET(i)	(0x3A000 + 0x280 + ((i) * 0x04))
+#define ADF_GEN2_VF_PF2VF_OFFSET	0x200
+
+#define ADF_GEN2_CSR_IN_USE		0x6AC2
+#define ADF_GEN2_CSR_IN_USE_MASK	0xFFFE
+
+enum gen2_csr_pos {
+	ADF_GEN2_CSR_PF2VF_OFFSET	=  0,
+	ADF_GEN2_CSR_VF2PF_OFFSET	= 16,
+};
+
+#define ADF_PFVF_GEN2_MSGTYPE_SHIFT	2
+#define ADF_PFVF_GEN2_MSGTYPE_MASK	0x0F
+#define ADF_PFVF_GEN2_MSGDATA_SHIFT	6
+#define ADF_PFVF_GEN2_MSGDATA_MASK	0x3FF
+
+static const struct pfvf_csr_format csr_gen2_fmt = {
+	{ ADF_PFVF_GEN2_MSGTYPE_SHIFT, ADF_PFVF_GEN2_MSGTYPE_MASK },
+	{ ADF_PFVF_GEN2_MSGDATA_SHIFT, ADF_PFVF_GEN2_MSGDATA_MASK },
+};
+
+#define ADF_PFVF_MSG_RETRY_DELAY	5
+#define ADF_PFVF_MSG_MAX_RETRIES	3
+
+static u32 adf_gen2_pf_get_pfvf_offset(u32 i)
+{
+	return ADF_GEN2_PF_PF2VF_OFFSET(i);
+}
+
+static u32 adf_gen2_vf_get_pfvf_offset(u32 i)
+{
+	return ADF_GEN2_VF_PF2VF_OFFSET;
+}
+
+static void adf_gen2_enable_vf2pf_interrupts(void __iomem *pmisc_addr, u32 vf_mask)
+{
+	/* Enable VF2PF Messaging Ints - VFs 0 through 15 per vf_mask[15:0] */
+	if (vf_mask & ADF_GEN2_VF_MSK) {
+		u32 val = ADF_CSR_RD(pmisc_addr, ADF_GEN2_ERRMSK3)
+			  & ~ADF_GEN2_ERR_MSK_VF2PF(vf_mask);
+		ADF_CSR_WR(pmisc_addr, ADF_GEN2_ERRMSK3, val);
+	}
+}
+
+static void adf_gen2_disable_all_vf2pf_interrupts(void __iomem *pmisc_addr)
+{
+	/* Disable VF2PF interrupts for VFs 0 through 15 per vf_mask[15:0] */
+	u32 val = ADF_CSR_RD(pmisc_addr, ADF_GEN2_ERRMSK3)
+		  | ADF_GEN2_ERR_MSK_VF2PF(ADF_GEN2_VF_MSK);
+	ADF_CSR_WR(pmisc_addr, ADF_GEN2_ERRMSK3, val);
+}
+
+static u32 adf_gen2_disable_pending_vf2pf_interrupts(void __iomem *pmisc_addr)
+{
+	u32 sources, disabled, pending;
+	u32 errsou3, errmsk3;
+
+	/* Get the interrupt sources triggered by VFs */
+	errsou3 = ADF_CSR_RD(pmisc_addr, ADF_GEN2_ERRSOU3);
+	sources = ADF_GEN2_ERR_REG_VF2PF(errsou3);
+
+	if (!sources)
+		return 0;
+
+	/* Get the already disabled interrupts */
+	errmsk3 = ADF_CSR_RD(pmisc_addr, ADF_GEN2_ERRMSK3);
+	disabled = ADF_GEN2_ERR_REG_VF2PF(errmsk3);
+
+	pending = sources & ~disabled;
+	if (!pending)
+		return 0;
+
+	/* Due to HW limitations, when disabling the interrupts, we can't
+	 * just disable the requested sources, as this would lead to missed
+	 * interrupts if ERRSOU3 changes just before writing to ERRMSK3.
+	 * To work around it, disable all and re-enable only the sources that
+	 * are not in vf_mask and were not already disabled. Re-enabling will
+	 * trigger a new interrupt for the sources that have changed in the
+	 * meantime, if any.
+	 */
+	errmsk3 |= ADF_GEN2_ERR_MSK_VF2PF(ADF_GEN2_VF_MSK);
+	ADF_CSR_WR(pmisc_addr, ADF_GEN2_ERRMSK3, errmsk3);
+
+	/* Update only section of errmsk3 related to VF2PF */
+	errmsk3 &= ~ADF_GEN2_ERR_MSK_VF2PF(ADF_GEN2_VF_MSK);
+	errmsk3 |= ADF_GEN2_ERR_MSK_VF2PF(sources | disabled);
+	ADF_CSR_WR(pmisc_addr, ADF_GEN2_ERRMSK3, errmsk3);
+
+	/* Return the sources of the (new) interrupt(s) */
+	return pending;
+}
+
+static u32 gen2_csr_get_int_bit(enum gen2_csr_pos offset)
+{
+	return ADF_PFVF_INT << offset;
+}
+
+static u32 gen2_csr_msg_to_position(u32 csr_msg, enum gen2_csr_pos offset)
+{
+	return (csr_msg & 0xFFFF) << offset;
+}
+
+static u32 gen2_csr_msg_from_position(u32 csr_val, enum gen2_csr_pos offset)
+{
+	return (csr_val >> offset) & 0xFFFF;
+}
+
+static bool gen2_csr_is_in_use(u32 msg, enum gen2_csr_pos offset)
+{
+	return ((msg >> offset) & ADF_GEN2_CSR_IN_USE_MASK) == ADF_GEN2_CSR_IN_USE;
+}
+
+static void gen2_csr_clear_in_use(u32 *msg, enum gen2_csr_pos offset)
+{
+	*msg &= ~(ADF_GEN2_CSR_IN_USE_MASK << offset);
+}
+
+static void gen2_csr_set_in_use(u32 *msg, enum gen2_csr_pos offset)
+{
+	*msg |= (ADF_GEN2_CSR_IN_USE << offset);
+}
+
+static bool is_legacy_user_pfvf_message(u32 msg)
+{
+	return !(msg & ADF_PFVF_MSGORIGIN_SYSTEM);
+}
+
+static bool is_pf2vf_notification(u8 msg_type)
+{
+	switch (msg_type) {
+	case ADF_PF2VF_MSGTYPE_RESTARTING:
+		return true;
+	default:
+		return false;
+	}
+}
+
+static bool is_vf2pf_notification(u8 msg_type)
+{
+	switch (msg_type) {
+	case ADF_VF2PF_MSGTYPE_INIT:
+	case ADF_VF2PF_MSGTYPE_SHUTDOWN:
+		return true;
+	default:
+		return false;
+	}
+}
+
+struct pfvf_gen2_params {
+	u32 pfvf_offset;
+	struct mutex *csr_lock; /* lock preventing concurrent access of CSR */
+	enum gen2_csr_pos local_offset;
+	enum gen2_csr_pos remote_offset;
+	bool (*is_notification_message)(u8 msg_type);
+	u8 compat_ver;
+};
+
+static int adf_gen2_pfvf_send(struct adf_accel_dev *accel_dev,
+			      struct pfvf_message msg,
+			      struct pfvf_gen2_params *params)
+{
+	void __iomem *pmisc_addr = adf_get_pmisc_base(accel_dev);
+	enum gen2_csr_pos remote_offset = params->remote_offset;
+	enum gen2_csr_pos local_offset = params->local_offset;
+	unsigned int retries = ADF_PFVF_MSG_MAX_RETRIES;
+	struct mutex *lock = params->csr_lock;
+	u32 pfvf_offset = params->pfvf_offset;
+	u32 int_bit;
+	u32 csr_val;
+	u32 csr_msg;
+	int ret;
+
+	/* Gen2 messages, both PF->VF and VF->PF, are all 16 bits long. This
+	 * allows us to build and read messages as if they where all 0 based.
+	 * However, send and receive are in a single shared 32 bits register,
+	 * so we need to shift and/or mask the message half before decoding
+	 * it and after encoding it. Which one to shift depends on the
+	 * direction.
+	 */
+
+	int_bit = gen2_csr_get_int_bit(local_offset);
+
+	csr_msg = adf_pfvf_csr_msg_of(accel_dev, msg, &csr_gen2_fmt);
+	if (unlikely(!csr_msg))
+		return -EINVAL;
+
+	/* Prepare for CSR format, shifting the wire message in place and
+	 * setting the in use pattern
+	 */
+	csr_msg = gen2_csr_msg_to_position(csr_msg, local_offset);
+	gen2_csr_set_in_use(&csr_msg, remote_offset);
+
+	mutex_lock(lock);
+
+start:
+	/* Check if the PFVF CSR is in use by remote function */
+	csr_val = ADF_CSR_RD(pmisc_addr, pfvf_offset);
+	if (gen2_csr_is_in_use(csr_val, local_offset)) {
+		dev_dbg(&GET_DEV(accel_dev),
+			"PFVF CSR in use by remote function\n");
+		goto retry;
+	}
+
+	/* Attempt to get ownership of the PFVF CSR */
+	ADF_CSR_WR(pmisc_addr, pfvf_offset, csr_msg | int_bit);
+
+	/* Wait for confirmation from remote func it received the message */
+	ret = read_poll_timeout(ADF_CSR_RD, csr_val, !(csr_val & int_bit),
+				ADF_PFVF_MSG_ACK_DELAY_US,
+				ADF_PFVF_MSG_ACK_MAX_DELAY_US,
+				true, pmisc_addr, pfvf_offset);
+	if (unlikely(ret < 0)) {
+		dev_dbg(&GET_DEV(accel_dev), "ACK not received from remote\n");
+		csr_val &= ~int_bit;
+	}
+
+	/* For fire-and-forget notifications, the receiver does not clear
+	 * the in-use pattern. This is used to detect collisions.
+	 */
+	if (params->is_notification_message(msg.type) && csr_val != csr_msg) {
+		/* Collision must have overwritten the message */
+		dev_err(&GET_DEV(accel_dev),
+			"Collision on notification - PFVF CSR overwritten by remote function\n");
+		goto retry;
+	}
+
+	/* If the far side did not clear the in-use pattern it is either
+	 * 1) Notification - message left intact to detect collision
+	 * 2) Older protocol (compatibility version < 3) on the far side
+	 *    where the sender is responsible for clearing the in-use
+	 *    pattern after the received has acknowledged receipt.
+	 * In either case, clear the in-use pattern now.
+	 */
+	if (gen2_csr_is_in_use(csr_val, remote_offset)) {
+		gen2_csr_clear_in_use(&csr_val, remote_offset);
+		ADF_CSR_WR(pmisc_addr, pfvf_offset, csr_val);
+	}
+
+out:
+	mutex_unlock(lock);
+	return ret;
+
+retry:
+	if (--retries) {
+		msleep(ADF_PFVF_MSG_RETRY_DELAY);
+		goto start;
+	} else {
+		ret = -EBUSY;
+		goto out;
+	}
+}
+
+static struct pfvf_message adf_gen2_pfvf_recv(struct adf_accel_dev *accel_dev,
+					      struct pfvf_gen2_params *params)
+{
+	void __iomem *pmisc_addr = adf_get_pmisc_base(accel_dev);
+	enum gen2_csr_pos remote_offset = params->remote_offset;
+	enum gen2_csr_pos local_offset = params->local_offset;
+	u32 pfvf_offset = params->pfvf_offset;
+	struct pfvf_message msg = { 0 };
+	u32 int_bit;
+	u32 csr_val;
+	u16 csr_msg;
+
+	int_bit = gen2_csr_get_int_bit(local_offset);
+
+	/* Read message */
+	csr_val = ADF_CSR_RD(pmisc_addr, pfvf_offset);
+	if (!(csr_val & int_bit)) {
+		dev_info(&GET_DEV(accel_dev),
+			 "Spurious PFVF interrupt, msg 0x%.8x. Ignored\n", csr_val);
+		return msg;
+	}
+
+	/* Extract the message from the CSR */
+	csr_msg = gen2_csr_msg_from_position(csr_val, local_offset);
+
+	/* Ignore legacy non-system (non-kernel) messages */
+	if (unlikely(is_legacy_user_pfvf_message(csr_msg))) {
+		dev_dbg(&GET_DEV(accel_dev),
+			"Ignored non-system message (0x%.8x);\n", csr_val);
+		/* Because this must be a legacy message, the far side
+		 * must clear the in-use pattern, so don't do it.
+		 */
+		return msg;
+	}
+
+	/* Return the pfvf_message format */
+	msg = adf_pfvf_message_of(accel_dev, csr_msg, &csr_gen2_fmt);
+
+	/* The in-use pattern is not cleared for notifications (so that
+	 * it can be used for collision detection) or older implementations
+	 */
+	if (params->compat_ver >= ADF_PFVF_COMPAT_FAST_ACK &&
+	    !params->is_notification_message(msg.type))
+		gen2_csr_clear_in_use(&csr_val, remote_offset);
+
+	/* To ACK, clear the INT bit */
+	csr_val &= ~int_bit;
+	ADF_CSR_WR(pmisc_addr, pfvf_offset, csr_val);
+
+	return msg;
+}
+
+static int adf_gen2_pf2vf_send(struct adf_accel_dev *accel_dev, struct pfvf_message msg,
+			       u32 pfvf_offset, struct mutex *csr_lock)
+{
+	struct pfvf_gen2_params params = {
+		.csr_lock = csr_lock,
+		.pfvf_offset = pfvf_offset,
+		.local_offset = ADF_GEN2_CSR_PF2VF_OFFSET,
+		.remote_offset = ADF_GEN2_CSR_VF2PF_OFFSET,
+		.is_notification_message = is_pf2vf_notification,
+	};
+
+	return adf_gen2_pfvf_send(accel_dev, msg, &params);
+}
+
+static int adf_gen2_vf2pf_send(struct adf_accel_dev *accel_dev, struct pfvf_message msg,
+			       u32 pfvf_offset, struct mutex *csr_lock)
+{
+	struct pfvf_gen2_params params = {
+		.csr_lock = csr_lock,
+		.pfvf_offset = pfvf_offset,
+		.local_offset = ADF_GEN2_CSR_VF2PF_OFFSET,
+		.remote_offset = ADF_GEN2_CSR_PF2VF_OFFSET,
+		.is_notification_message = is_vf2pf_notification,
+	};
+
+	return adf_gen2_pfvf_send(accel_dev, msg, &params);
+}
+
+static struct pfvf_message adf_gen2_pf2vf_recv(struct adf_accel_dev *accel_dev,
+					       u32 pfvf_offset, u8 compat_ver)
+{
+	struct pfvf_gen2_params params = {
+		.pfvf_offset = pfvf_offset,
+		.local_offset = ADF_GEN2_CSR_PF2VF_OFFSET,
+		.remote_offset = ADF_GEN2_CSR_VF2PF_OFFSET,
+		.is_notification_message = is_pf2vf_notification,
+		.compat_ver = compat_ver,
+	};
+
+	return adf_gen2_pfvf_recv(accel_dev, &params);
+}
+
+static struct pfvf_message adf_gen2_vf2pf_recv(struct adf_accel_dev *accel_dev,
+					       u32 pfvf_offset, u8 compat_ver)
+{
+	struct pfvf_gen2_params params = {
+		.pfvf_offset = pfvf_offset,
+		.local_offset = ADF_GEN2_CSR_VF2PF_OFFSET,
+		.remote_offset = ADF_GEN2_CSR_PF2VF_OFFSET,
+		.is_notification_message = is_vf2pf_notification,
+		.compat_ver = compat_ver,
+	};
+
+	return adf_gen2_pfvf_recv(accel_dev, &params);
+}
+
+void adf_gen2_init_pf_pfvf_ops(struct adf_pfvf_ops *pfvf_ops)
+{
+	pfvf_ops->enable_comms = adf_enable_pf2vf_comms;
+	pfvf_ops->get_pf2vf_offset = adf_gen2_pf_get_pfvf_offset;
+	pfvf_ops->get_vf2pf_offset = adf_gen2_pf_get_pfvf_offset;
+	pfvf_ops->enable_vf2pf_interrupts = adf_gen2_enable_vf2pf_interrupts;
+	pfvf_ops->disable_all_vf2pf_interrupts = adf_gen2_disable_all_vf2pf_interrupts;
+	pfvf_ops->disable_pending_vf2pf_interrupts = adf_gen2_disable_pending_vf2pf_interrupts;
+	pfvf_ops->send_msg = adf_gen2_pf2vf_send;
+	pfvf_ops->recv_msg = adf_gen2_vf2pf_recv;
+}
+EXPORT_SYMBOL_GPL(adf_gen2_init_pf_pfvf_ops);
+
+void adf_gen2_init_vf_pfvf_ops(struct adf_pfvf_ops *pfvf_ops)
+{
+	pfvf_ops->enable_comms = adf_enable_vf2pf_comms;
+	pfvf_ops->get_pf2vf_offset = adf_gen2_vf_get_pfvf_offset;
+	pfvf_ops->get_vf2pf_offset = adf_gen2_vf_get_pfvf_offset;
+	pfvf_ops->send_msg = adf_gen2_vf2pf_send;
+	pfvf_ops->recv_msg = adf_gen2_pf2vf_recv;
+}
+EXPORT_SYMBOL_GPL(adf_gen2_init_vf_pfvf_ops);

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_gen2_pfvf.h

@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
+/* Copyright(c) 2021 Intel Corporation */
+#ifndef ADF_GEN2_PFVF_H
+#define ADF_GEN2_PFVF_H
+
+#include <linux/types.h>
+#include "adf_accel_devices.h"
+#include "adf_common_drv.h"
+
+#define ADF_GEN2_ERRSOU3 (0x3A000 + 0x0C)
+#define ADF_GEN2_ERRSOU5 (0x3A000 + 0xD8)
+#define ADF_GEN2_ERRMSK3 (0x3A000 + 0x1C)
+#define ADF_GEN2_ERRMSK5 (0x3A000 + 0xDC)
+
+#if defined(CONFIG_PCI_IOV)
+void adf_gen2_init_pf_pfvf_ops(struct adf_pfvf_ops *pfvf_ops);
+void adf_gen2_init_vf_pfvf_ops(struct adf_pfvf_ops *pfvf_ops);
+#else
+static inline void adf_gen2_init_pf_pfvf_ops(struct adf_pfvf_ops *pfvf_ops)
+{
+	pfvf_ops->enable_comms = adf_pfvf_comms_disabled;
+}
+
+static inline void adf_gen2_init_vf_pfvf_ops(struct adf_pfvf_ops *pfvf_ops)
+{
+	pfvf_ops->enable_comms = adf_pfvf_comms_disabled;
+}
+#endif
+
+#endif /* ADF_GEN2_PFVF_H */

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_gen4_config.c

@@ -0,0 +1,276 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2023 Intel Corporation */
+#include "adf_accel_devices.h"
+#include "adf_cfg.h"
+#include "adf_cfg_services.h"
+#include "adf_cfg_strings.h"
+#include "adf_common_drv.h"
+#include "adf_gen4_config.h"
+#include "adf_heartbeat.h"
+#include "adf_transport_access_macros.h"
+#include "qat_compression.h"
+#include "qat_crypto.h"
+
+int adf_crypto_dev_config(struct adf_accel_dev *accel_dev)
+{
+	char key[ADF_CFG_MAX_KEY_LEN_IN_BYTES];
+	int banks = GET_MAX_BANKS(accel_dev);
+	int cpus = num_online_cpus();
+	unsigned long bank, val;
+	int instances;
+	int ret;
+	int i;
+
+	if (adf_hw_dev_has_crypto(accel_dev))
+		instances = min(cpus, banks / 2);
+	else
+		instances = 0;
+
+	for (i = 0; i < instances; i++) {
+		val = i;
+		bank = i * 2;
+		snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_BANK_NUM, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &bank, ADF_DEC);
+		if (ret)
+			goto err;
+
+		bank += 1;
+		snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_BANK_NUM, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &bank, ADF_DEC);
+		if (ret)
+			goto err;
+
+		snprintf(key, sizeof(key), ADF_CY "%d" ADF_ETRMGR_CORE_AFFINITY,
+			 i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_SIZE, i);
+		val = 128;
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		val = 512;
+		snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_SIZE, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		val = 0;
+		snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_TX, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		val = 0;
+		snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_TX, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		val = 1;
+		snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_RX, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		val = 1;
+		snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_RX, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		val = ADF_COALESCING_DEF_TIME;
+		snprintf(key, sizeof(key), ADF_ETRMGR_COALESCE_TIMER_FORMAT, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, "Accelerator0",
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+	}
+
+	val = i;
+	ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, ADF_NUM_CY,
+					  &val, ADF_DEC);
+	if (ret)
+		goto err;
+
+	val = 0;
+	ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, ADF_NUM_DC,
+					  &val, ADF_DEC);
+	if (ret)
+		goto err;
+
+	return 0;
+err:
+	dev_err(&GET_DEV(accel_dev), "Failed to add configuration for crypto\n");
+	return ret;
+}
+
+int adf_comp_dev_config(struct adf_accel_dev *accel_dev)
+{
+	char key[ADF_CFG_MAX_KEY_LEN_IN_BYTES];
+	int banks = GET_MAX_BANKS(accel_dev);
+	int cpus = num_online_cpus();
+	unsigned long val;
+	int instances;
+	int ret;
+	int i;
+
+	if (adf_hw_dev_has_compression(accel_dev))
+		instances = min(cpus, banks);
+	else
+		instances = 0;
+
+	for (i = 0; i < instances; i++) {
+		val = i;
+		snprintf(key, sizeof(key), ADF_DC "%d" ADF_RING_DC_BANK_NUM, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		val = 512;
+		snprintf(key, sizeof(key), ADF_DC "%d" ADF_RING_DC_SIZE, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		val = 0;
+		snprintf(key, sizeof(key), ADF_DC "%d" ADF_RING_DC_TX, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		val = 1;
+		snprintf(key, sizeof(key), ADF_DC "%d" ADF_RING_DC_RX, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+
+		val = ADF_COALESCING_DEF_TIME;
+		snprintf(key, sizeof(key), ADF_ETRMGR_COALESCE_TIMER_FORMAT, i);
+		ret = adf_cfg_add_key_value_param(accel_dev, "Accelerator0",
+						  key, &val, ADF_DEC);
+		if (ret)
+			goto err;
+	}
+
+	val = i;
+	ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, ADF_NUM_DC,
+					  &val, ADF_DEC);
+	if (ret)
+		goto err;
+
+	val = 0;
+	ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, ADF_NUM_CY,
+					  &val, ADF_DEC);
+	if (ret)
+		goto err;
+
+	return 0;
+err:
+	dev_err(&GET_DEV(accel_dev), "Failed to add configuration for compression\n");
+	return ret;
+}
+
+int adf_no_dev_config(struct adf_accel_dev *accel_dev)
+{
+	unsigned long val;
+	int ret;
+
+	val = 0;
+	ret = adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, ADF_NUM_DC,
+					  &val, ADF_DEC);
+	if (ret)
+		return ret;
+
+	return adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC, ADF_NUM_CY,
+					  &val, ADF_DEC);
+}
+
+/**
+ * adf_gen4_dev_config() - create dev config required to create instances
+ *
+ * @accel_dev: Pointer to acceleration device.
+ *
+ * Function creates device configuration required to create instances
+ *
+ * Return: 0 on success, error code otherwise.
+ */
+int adf_gen4_dev_config(struct adf_accel_dev *accel_dev)
+{
+	int ret;
+
+	ret = adf_cfg_section_add(accel_dev, ADF_KERNEL_SEC);
+	if (ret)
+		goto err;
+
+	ret = adf_cfg_section_add(accel_dev, "Accelerator0");
+	if (ret)
+		goto err;
+
+	switch (adf_get_service_enabled(accel_dev)) {
+	case SVC_SYM_ASYM:
+		ret = adf_crypto_dev_config(accel_dev);
+		break;
+	case SVC_DC:
+	case SVC_DCC:
+		ret = adf_comp_dev_config(accel_dev);
+		break;
+	default:
+		ret = adf_no_dev_config(accel_dev);
+		break;
+	}
+
+	if (ret)
+		goto err;
+
+	set_bit(ADF_STATUS_CONFIGURED, &accel_dev->status);
+
+	return ret;
+
+err:
+	dev_err(&GET_DEV(accel_dev), "Failed to configure QAT driver\n");
+	return ret;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_dev_config);
+
+int adf_gen4_cfg_dev_init(struct adf_accel_dev *accel_dev)
+{
+	const char *config;
+	int ret;
+
+	config = accel_dev->accel_id % 2 ? ADF_CFG_DC : ADF_CFG_CY;
+
+	ret = adf_cfg_section_add(accel_dev, ADF_GENERAL_SEC);
+	if (ret)
+		return ret;
+
+	/* Default configuration is crypto only for even devices
+	 * and compression for odd devices
+	 */
+	ret = adf_cfg_add_key_value_param(accel_dev, ADF_GENERAL_SEC,
+					  ADF_SERVICES_ENABLED, config,
+					  ADF_STR);
+	if (ret)
+		return ret;
+
+	adf_heartbeat_save_cfg_param(accel_dev, ADF_CFG_HB_TIMER_MIN_MS);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_cfg_dev_init);

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_gen4_config.h

@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright(c) 2023 Intel Corporation */
+#ifndef ADF_GEN4_CONFIG_H_
+#define ADF_GEN4_CONFIG_H_
+
+#include "adf_accel_devices.h"
+
+int adf_gen4_dev_config(struct adf_accel_dev *accel_dev);
+int adf_gen4_cfg_dev_init(struct adf_accel_dev *accel_dev);
+int adf_crypto_dev_config(struct adf_accel_dev *accel_dev);
+int adf_comp_dev_config(struct adf_accel_dev *accel_dev);
+int adf_no_dev_config(struct adf_accel_dev *accel_dev);
+
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_gen4_hw_csr_data.c

@@ -0,0 +1,231 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2024 Intel Corporation */
+#include <linux/types.h>
+#include "adf_gen4_hw_csr_data.h"
+
+static u64 build_csr_ring_base_addr(dma_addr_t addr, u32 size)
+{
+	return BUILD_RING_BASE_ADDR(addr, size);
+}
+
+static u32 read_csr_ring_head(void __iomem *csr_base_addr, u32 bank, u32 ring)
+{
+	return READ_CSR_RING_HEAD(csr_base_addr, bank, ring);
+}
+
+static void write_csr_ring_head(void __iomem *csr_base_addr, u32 bank, u32 ring,
+				u32 value)
+{
+	WRITE_CSR_RING_HEAD(csr_base_addr, bank, ring, value);
+}
+
+static u32 read_csr_ring_tail(void __iomem *csr_base_addr, u32 bank, u32 ring)
+{
+	return READ_CSR_RING_TAIL(csr_base_addr, bank, ring);
+}
+
+static void write_csr_ring_tail(void __iomem *csr_base_addr, u32 bank, u32 ring,
+				u32 value)
+{
+	WRITE_CSR_RING_TAIL(csr_base_addr, bank, ring, value);
+}
+
+static u32 read_csr_stat(void __iomem *csr_base_addr, u32 bank)
+{
+	return READ_CSR_STAT(csr_base_addr, bank);
+}
+
+static u32 read_csr_uo_stat(void __iomem *csr_base_addr, u32 bank)
+{
+	return READ_CSR_UO_STAT(csr_base_addr, bank);
+}
+
+static u32 read_csr_e_stat(void __iomem *csr_base_addr, u32 bank)
+{
+	return READ_CSR_E_STAT(csr_base_addr, bank);
+}
+
+static u32 read_csr_ne_stat(void __iomem *csr_base_addr, u32 bank)
+{
+	return READ_CSR_NE_STAT(csr_base_addr, bank);
+}
+
+static u32 read_csr_nf_stat(void __iomem *csr_base_addr, u32 bank)
+{
+	return READ_CSR_NF_STAT(csr_base_addr, bank);
+}
+
+static u32 read_csr_f_stat(void __iomem *csr_base_addr, u32 bank)
+{
+	return READ_CSR_F_STAT(csr_base_addr, bank);
+}
+
+static u32 read_csr_c_stat(void __iomem *csr_base_addr, u32 bank)
+{
+	return READ_CSR_C_STAT(csr_base_addr, bank);
+}
+
+static u32 read_csr_exp_stat(void __iomem *csr_base_addr, u32 bank)
+{
+	return READ_CSR_EXP_STAT(csr_base_addr, bank);
+}
+
+static u32 read_csr_exp_int_en(void __iomem *csr_base_addr, u32 bank)
+{
+	return READ_CSR_EXP_INT_EN(csr_base_addr, bank);
+}
+
+static void write_csr_exp_int_en(void __iomem *csr_base_addr, u32 bank,
+				 u32 value)
+{
+	WRITE_CSR_EXP_INT_EN(csr_base_addr, bank, value);
+}
+
+static u32 read_csr_ring_config(void __iomem *csr_base_addr, u32 bank,
+				u32 ring)
+{
+	return READ_CSR_RING_CONFIG(csr_base_addr, bank, ring);
+}
+
+static void write_csr_ring_config(void __iomem *csr_base_addr, u32 bank, u32 ring,
+				  u32 value)
+{
+	WRITE_CSR_RING_CONFIG(csr_base_addr, bank, ring, value);
+}
+
+static dma_addr_t read_csr_ring_base(void __iomem *csr_base_addr, u32 bank,
+				     u32 ring)
+{
+	return READ_CSR_RING_BASE(csr_base_addr, bank, ring);
+}
+
+static void write_csr_ring_base(void __iomem *csr_base_addr, u32 bank, u32 ring,
+				dma_addr_t addr)
+{
+	WRITE_CSR_RING_BASE(csr_base_addr, bank, ring, addr);
+}
+
+static u32 read_csr_int_en(void __iomem *csr_base_addr, u32 bank)
+{
+	return READ_CSR_INT_EN(csr_base_addr, bank);
+}
+
+static void write_csr_int_en(void __iomem *csr_base_addr, u32 bank, u32 value)
+{
+	WRITE_CSR_INT_EN(csr_base_addr, bank, value);
+}
+
+static u32 read_csr_int_flag(void __iomem *csr_base_addr, u32 bank)
+{
+	return READ_CSR_INT_FLAG(csr_base_addr, bank);
+}
+
+static void write_csr_int_flag(void __iomem *csr_base_addr, u32 bank,
+			       u32 value)
+{
+	WRITE_CSR_INT_FLAG(csr_base_addr, bank, value);
+}
+
+static u32 read_csr_int_srcsel(void __iomem *csr_base_addr, u32 bank)
+{
+	return READ_CSR_INT_SRCSEL(csr_base_addr, bank);
+}
+
+static void write_csr_int_srcsel(void __iomem *csr_base_addr, u32 bank)
+{
+	WRITE_CSR_INT_SRCSEL(csr_base_addr, bank);
+}
+
+static void write_csr_int_srcsel_w_val(void __iomem *csr_base_addr, u32 bank,
+				       u32 value)
+{
+	WRITE_CSR_INT_SRCSEL_W_VAL(csr_base_addr, bank, value);
+}
+
+static u32 read_csr_int_col_en(void __iomem *csr_base_addr, u32 bank)
+{
+	return READ_CSR_INT_COL_EN(csr_base_addr, bank);
+}
+
+static void write_csr_int_col_en(void __iomem *csr_base_addr, u32 bank, u32 value)
+{
+	WRITE_CSR_INT_COL_EN(csr_base_addr, bank, value);
+}
+
+static u32 read_csr_int_col_ctl(void __iomem *csr_base_addr, u32 bank)
+{
+	return READ_CSR_INT_COL_CTL(csr_base_addr, bank);
+}
+
+static void write_csr_int_col_ctl(void __iomem *csr_base_addr, u32 bank,
+				  u32 value)
+{
+	WRITE_CSR_INT_COL_CTL(csr_base_addr, bank, value);
+}
+
+static u32 read_csr_int_flag_and_col(void __iomem *csr_base_addr, u32 bank)
+{
+	return READ_CSR_INT_FLAG_AND_COL(csr_base_addr, bank);
+}
+
+static void write_csr_int_flag_and_col(void __iomem *csr_base_addr, u32 bank,
+				       u32 value)
+{
+	WRITE_CSR_INT_FLAG_AND_COL(csr_base_addr, bank, value);
+}
+
+static u32 read_csr_ring_srv_arb_en(void __iomem *csr_base_addr, u32 bank)
+{
+	return READ_CSR_RING_SRV_ARB_EN(csr_base_addr, bank);
+}
+
+static void write_csr_ring_srv_arb_en(void __iomem *csr_base_addr, u32 bank,
+				      u32 value)
+{
+	WRITE_CSR_RING_SRV_ARB_EN(csr_base_addr, bank, value);
+}
+
+static u32 get_int_col_ctl_enable_mask(void)
+{
+	return ADF_RING_CSR_INT_COL_CTL_ENABLE;
+}
+
+void adf_gen4_init_hw_csr_ops(struct adf_hw_csr_ops *csr_ops)
+{
+	csr_ops->build_csr_ring_base_addr = build_csr_ring_base_addr;
+	csr_ops->read_csr_ring_head = read_csr_ring_head;
+	csr_ops->write_csr_ring_head = write_csr_ring_head;
+	csr_ops->read_csr_ring_tail = read_csr_ring_tail;
+	csr_ops->write_csr_ring_tail = write_csr_ring_tail;
+	csr_ops->read_csr_stat = read_csr_stat;
+	csr_ops->read_csr_uo_stat = read_csr_uo_stat;
+	csr_ops->read_csr_e_stat = read_csr_e_stat;
+	csr_ops->read_csr_ne_stat = read_csr_ne_stat;
+	csr_ops->read_csr_nf_stat = read_csr_nf_stat;
+	csr_ops->read_csr_f_stat = read_csr_f_stat;
+	csr_ops->read_csr_c_stat = read_csr_c_stat;
+	csr_ops->read_csr_exp_stat = read_csr_exp_stat;
+	csr_ops->read_csr_exp_int_en = read_csr_exp_int_en;
+	csr_ops->write_csr_exp_int_en = write_csr_exp_int_en;
+	csr_ops->read_csr_ring_config = read_csr_ring_config;
+	csr_ops->write_csr_ring_config = write_csr_ring_config;
+	csr_ops->read_csr_ring_base = read_csr_ring_base;
+	csr_ops->write_csr_ring_base = write_csr_ring_base;
+	csr_ops->read_csr_int_en = read_csr_int_en;
+	csr_ops->write_csr_int_en = write_csr_int_en;
+	csr_ops->read_csr_int_flag = read_csr_int_flag;
+	csr_ops->write_csr_int_flag = write_csr_int_flag;
+	csr_ops->read_csr_int_srcsel = read_csr_int_srcsel;
+	csr_ops->write_csr_int_srcsel = write_csr_int_srcsel;
+	csr_ops->write_csr_int_srcsel_w_val = write_csr_int_srcsel_w_val;
+	csr_ops->read_csr_int_col_en = read_csr_int_col_en;
+	csr_ops->write_csr_int_col_en = write_csr_int_col_en;
+	csr_ops->read_csr_int_col_ctl = read_csr_int_col_ctl;
+	csr_ops->write_csr_int_col_ctl = write_csr_int_col_ctl;
+	csr_ops->read_csr_int_flag_and_col = read_csr_int_flag_and_col;
+	csr_ops->write_csr_int_flag_and_col = write_csr_int_flag_and_col;
+	csr_ops->read_csr_ring_srv_arb_en = read_csr_ring_srv_arb_en;
+	csr_ops->write_csr_ring_srv_arb_en = write_csr_ring_srv_arb_en;
+	csr_ops->get_int_col_ctl_enable_mask = get_int_col_ctl_enable_mask;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_init_hw_csr_ops);

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_gen4_hw_csr_data.h

@@ -0,0 +1,188 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright(c) 2024 Intel Corporation */
+#ifndef ADF_GEN4_HW_CSR_DATA_H_
+#define ADF_GEN4_HW_CSR_DATA_H_
+
+#include <linux/bitops.h>
+#include "adf_accel_devices.h"
+
+#define ADF_BANK_INT_SRC_SEL_MASK	0x44UL
+#define ADF_RING_CSR_RING_CONFIG	0x1000
+#define ADF_RING_CSR_RING_LBASE		0x1040
+#define ADF_RING_CSR_RING_UBASE		0x1080
+#define ADF_RING_CSR_RING_HEAD		0x0C0
+#define ADF_RING_CSR_RING_TAIL		0x100
+#define ADF_RING_CSR_STAT		0x140
+#define ADF_RING_CSR_UO_STAT		0x148
+#define ADF_RING_CSR_E_STAT		0x14C
+#define ADF_RING_CSR_NE_STAT		0x150
+#define ADF_RING_CSR_NF_STAT		0x154
+#define ADF_RING_CSR_F_STAT		0x158
+#define ADF_RING_CSR_C_STAT		0x15C
+#define ADF_RING_CSR_INT_FLAG_EN	0x16C
+#define ADF_RING_CSR_INT_FLAG		0x170
+#define ADF_RING_CSR_INT_SRCSEL		0x174
+#define ADF_RING_CSR_INT_COL_EN		0x17C
+#define ADF_RING_CSR_INT_COL_CTL	0x180
+#define ADF_RING_CSR_INT_FLAG_AND_COL	0x184
+#define ADF_RING_CSR_EXP_STAT		0x188
+#define ADF_RING_CSR_EXP_INT_EN		0x18C
+#define ADF_RING_CSR_INT_COL_CTL_ENABLE	0x80000000
+#define ADF_RING_CSR_ADDR_OFFSET	0x100000
+#define ADF_RING_BUNDLE_SIZE		0x2000
+#define ADF_RING_CSR_RING_SRV_ARB_EN	0x19C
+
+#define BUILD_RING_BASE_ADDR(addr, size) \
+	((((addr) >> 6) & (GENMASK_ULL(63, 0) << (size))) << 6)
+#define READ_CSR_RING_HEAD(csr_base_addr, bank, ring) \
+	ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + \
+		   ADF_RING_CSR_RING_HEAD + ((ring) << 2))
+#define READ_CSR_RING_TAIL(csr_base_addr, bank, ring) \
+	ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + \
+		   ADF_RING_CSR_RING_TAIL + ((ring) << 2))
+#define READ_CSR_STAT(csr_base_addr, bank) \
+	ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + ADF_RING_CSR_STAT)
+#define READ_CSR_UO_STAT(csr_base_addr, bank) \
+	ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + ADF_RING_CSR_UO_STAT)
+#define READ_CSR_E_STAT(csr_base_addr, bank) \
+	ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + ADF_RING_CSR_E_STAT)
+#define READ_CSR_NE_STAT(csr_base_addr, bank) \
+	ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + ADF_RING_CSR_NE_STAT)
+#define READ_CSR_NF_STAT(csr_base_addr, bank) \
+	ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + ADF_RING_CSR_NF_STAT)
+#define READ_CSR_F_STAT(csr_base_addr, bank) \
+	ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + ADF_RING_CSR_F_STAT)
+#define READ_CSR_C_STAT(csr_base_addr, bank) \
+	ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + ADF_RING_CSR_C_STAT)
+#define READ_CSR_EXP_STAT(csr_base_addr, bank) \
+	ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + ADF_RING_CSR_EXP_STAT)
+#define READ_CSR_EXP_INT_EN(csr_base_addr, bank) \
+	ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + ADF_RING_CSR_EXP_INT_EN)
+#define WRITE_CSR_EXP_INT_EN(csr_base_addr, bank, value) \
+	ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + \
+		   ADF_RING_CSR_EXP_INT_EN, value)
+#define READ_CSR_RING_CONFIG(csr_base_addr, bank, ring) \
+	ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + \
+		   ADF_RING_CSR_RING_CONFIG + ((ring) << 2))
+#define WRITE_CSR_RING_CONFIG(csr_base_addr, bank, ring, value) \
+	ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + \
+		   ADF_RING_CSR_RING_CONFIG + ((ring) << 2), value)
+#define WRITE_CSR_RING_BASE(csr_base_addr, bank, ring, value)	\
+do { \
+	void __iomem *_csr_base_addr = csr_base_addr; \
+	u32 _bank = bank;						\
+	u32 _ring = ring;						\
+	dma_addr_t _value = value;					\
+	u32 l_base = 0, u_base = 0;					\
+	l_base = lower_32_bits(_value);					\
+	u_base = upper_32_bits(_value);					\
+	ADF_CSR_WR((_csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET,		\
+		   ADF_RING_BUNDLE_SIZE * (_bank) +			\
+		   ADF_RING_CSR_RING_LBASE + ((_ring) << 2), l_base);	\
+	ADF_CSR_WR((_csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET,		\
+		   ADF_RING_BUNDLE_SIZE * (_bank) +			\
+		   ADF_RING_CSR_RING_UBASE + ((_ring) << 2), u_base);	\
+} while (0)
+
+static inline u64 read_base(void __iomem *csr_base_addr, u32 bank, u32 ring)
+{
+	u32 l_base, u_base;
+
+	/*
+	 * Use special IO wrapper for ring base as LBASE and UBASE are
+	 * not physically contigious
+	 */
+	l_base = ADF_CSR_RD(csr_base_addr, (ADF_RING_BUNDLE_SIZE * bank) +
+			    ADF_RING_CSR_RING_LBASE + (ring << 2));
+	u_base = ADF_CSR_RD(csr_base_addr, (ADF_RING_BUNDLE_SIZE * bank) +
+			    ADF_RING_CSR_RING_UBASE + (ring << 2));
+
+	return (u64)u_base << 32 | (u64)l_base;
+}
+
+#define READ_CSR_RING_BASE(csr_base_addr, bank, ring) \
+	read_base((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, (bank), (ring))
+
+#define WRITE_CSR_RING_HEAD(csr_base_addr, bank, ring, value) \
+	ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + \
+		   ADF_RING_CSR_RING_HEAD + ((ring) << 2), value)
+#define WRITE_CSR_RING_TAIL(csr_base_addr, bank, ring, value) \
+	ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + \
+		   ADF_RING_CSR_RING_TAIL + ((ring) << 2), value)
+#define READ_CSR_INT_EN(csr_base_addr, bank) \
+	ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + ADF_RING_CSR_INT_FLAG_EN)
+#define WRITE_CSR_INT_EN(csr_base_addr, bank, value) \
+	ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + \
+		   ADF_RING_CSR_INT_FLAG_EN, (value))
+#define READ_CSR_INT_FLAG(csr_base_addr, bank) \
+	ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + ADF_RING_CSR_INT_FLAG)
+#define WRITE_CSR_INT_FLAG(csr_base_addr, bank, value) \
+	ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + \
+		   ADF_RING_CSR_INT_FLAG, (value))
+#define READ_CSR_INT_SRCSEL(csr_base_addr, bank) \
+	ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + ADF_RING_CSR_INT_SRCSEL)
+#define WRITE_CSR_INT_SRCSEL(csr_base_addr, bank) \
+	ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + \
+		   ADF_RING_CSR_INT_SRCSEL, ADF_BANK_INT_SRC_SEL_MASK)
+#define WRITE_CSR_INT_SRCSEL_W_VAL(csr_base_addr, bank, value) \
+	ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + \
+		   ADF_RING_CSR_INT_SRCSEL, (value))
+#define READ_CSR_INT_COL_EN(csr_base_addr, bank) \
+	ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + ADF_RING_CSR_INT_COL_EN)
+#define WRITE_CSR_INT_COL_EN(csr_base_addr, bank, value) \
+	ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + \
+		   ADF_RING_CSR_INT_COL_EN, (value))
+#define READ_CSR_INT_COL_CTL(csr_base_addr, bank) \
+	ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + ADF_RING_CSR_INT_COL_CTL)
+#define WRITE_CSR_INT_COL_CTL(csr_base_addr, bank, value) \
+	ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + \
+		   ADF_RING_CSR_INT_COL_CTL, \
+		   ADF_RING_CSR_INT_COL_CTL_ENABLE | (value))
+#define READ_CSR_INT_FLAG_AND_COL(csr_base_addr, bank) \
+	ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + \
+		   ADF_RING_CSR_INT_FLAG_AND_COL)
+#define WRITE_CSR_INT_FLAG_AND_COL(csr_base_addr, bank, value) \
+	ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + \
+		   ADF_RING_CSR_INT_FLAG_AND_COL, (value))
+
+#define READ_CSR_RING_SRV_ARB_EN(csr_base_addr, bank) \
+	ADF_CSR_RD((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + \
+		   ADF_RING_CSR_RING_SRV_ARB_EN)
+#define WRITE_CSR_RING_SRV_ARB_EN(csr_base_addr, bank, value) \
+	ADF_CSR_WR((csr_base_addr) + ADF_RING_CSR_ADDR_OFFSET, \
+		   ADF_RING_BUNDLE_SIZE * (bank) + \
+		   ADF_RING_CSR_RING_SRV_ARB_EN, (value))
+
+void adf_gen4_init_hw_csr_ops(struct adf_hw_csr_ops *csr_ops);
+
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_gen4_hw_data.c

@@ -0,0 +1,610 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2020 Intel Corporation */
+
+#define pr_fmt(fmt)	"QAT: " fmt
+
+#include <linux/bitops.h>
+#include <linux/iopoll.h>
+#include <asm/div64.h>
+#include "adf_accel_devices.h"
+#include "adf_cfg_services.h"
+#include "adf_common_drv.h"
+#include "adf_fw_config.h"
+#include "adf_gen4_hw_data.h"
+#include "adf_gen4_pm.h"
+#include "icp_qat_fw_comp.h"
+#include "icp_qat_hw_20_comp.h"
+
+u32 adf_gen4_get_accel_mask(struct adf_hw_device_data *self)
+{
+	return ADF_GEN4_ACCELERATORS_MASK;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_get_accel_mask);
+
+u32 adf_gen4_get_num_accels(struct adf_hw_device_data *self)
+{
+	return ADF_GEN4_MAX_ACCELERATORS;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_get_num_accels);
+
+u32 adf_gen4_get_num_aes(struct adf_hw_device_data *self)
+{
+	if (!self || !self->ae_mask)
+		return 0;
+
+	return hweight32(self->ae_mask);
+}
+EXPORT_SYMBOL_GPL(adf_gen4_get_num_aes);
+
+u32 adf_gen4_get_misc_bar_id(struct adf_hw_device_data *self)
+{
+	return ADF_GEN4_PMISC_BAR;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_get_misc_bar_id);
+
+u32 adf_gen4_get_etr_bar_id(struct adf_hw_device_data *self)
+{
+	return ADF_GEN4_ETR_BAR;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_get_etr_bar_id);
+
+u32 adf_gen4_get_sram_bar_id(struct adf_hw_device_data *self)
+{
+	return ADF_GEN4_SRAM_BAR;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_get_sram_bar_id);
+
+enum dev_sku_info adf_gen4_get_sku(struct adf_hw_device_data *self)
+{
+	return DEV_SKU_1;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_get_sku);
+
+void adf_gen4_get_arb_info(struct arb_info *arb_info)
+{
+	arb_info->arb_cfg = ADF_GEN4_ARB_CONFIG;
+	arb_info->arb_offset = ADF_GEN4_ARB_OFFSET;
+	arb_info->wt2sam_offset = ADF_GEN4_ARB_WRK_2_SER_MAP_OFFSET;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_get_arb_info);
+
+void adf_gen4_get_admin_info(struct admin_info *admin_csrs_info)
+{
+	admin_csrs_info->mailbox_offset = ADF_GEN4_MAILBOX_BASE_OFFSET;
+	admin_csrs_info->admin_msg_ur = ADF_GEN4_ADMINMSGUR_OFFSET;
+	admin_csrs_info->admin_msg_lr = ADF_GEN4_ADMINMSGLR_OFFSET;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_get_admin_info);
+
+u32 adf_gen4_get_heartbeat_clock(struct adf_hw_device_data *self)
+{
+	/*
+	 * GEN4 uses KPT counter for HB
+	 */
+	return ADF_GEN4_KPT_COUNTER_FREQ;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_get_heartbeat_clock);
+
+void adf_gen4_enable_error_correction(struct adf_accel_dev *accel_dev)
+{
+	struct adf_bar *misc_bar = &GET_BARS(accel_dev)[ADF_GEN4_PMISC_BAR];
+	void __iomem *csr = misc_bar->virt_addr;
+
+	/* Enable all in errsou3 except VFLR notification on host */
+	ADF_CSR_WR(csr, ADF_GEN4_ERRMSK3, ADF_GEN4_VFLNOTIFY);
+}
+EXPORT_SYMBOL_GPL(adf_gen4_enable_error_correction);
+
+void adf_gen4_enable_ints(struct adf_accel_dev *accel_dev)
+{
+	void __iomem *addr;
+
+	addr = (&GET_BARS(accel_dev)[ADF_GEN4_PMISC_BAR])->virt_addr;
+
+	/* Enable bundle interrupts */
+	ADF_CSR_WR(addr, ADF_GEN4_SMIAPF_RP_X0_MASK_OFFSET, 0);
+	ADF_CSR_WR(addr, ADF_GEN4_SMIAPF_RP_X1_MASK_OFFSET, 0);
+
+	/* Enable misc interrupts */
+	ADF_CSR_WR(addr, ADF_GEN4_SMIAPF_MASK_OFFSET, 0);
+}
+EXPORT_SYMBOL_GPL(adf_gen4_enable_ints);
+
+int adf_gen4_init_device(struct adf_accel_dev *accel_dev)
+{
+	void __iomem *addr;
+	u32 status;
+	u32 csr;
+	int ret;
+
+	addr = (&GET_BARS(accel_dev)[ADF_GEN4_PMISC_BAR])->virt_addr;
+
+	/* Temporarily mask PM interrupt */
+	csr = ADF_CSR_RD(addr, ADF_GEN4_ERRMSK2);
+	csr |= ADF_GEN4_PM_SOU;
+	ADF_CSR_WR(addr, ADF_GEN4_ERRMSK2, csr);
+
+	/* Set DRV_ACTIVE bit to power up the device */
+	ADF_CSR_WR(addr, ADF_GEN4_PM_INTERRUPT, ADF_GEN4_PM_DRV_ACTIVE);
+
+	/* Poll status register to make sure the device is powered up */
+	ret = read_poll_timeout(ADF_CSR_RD, status,
+				status & ADF_GEN4_PM_INIT_STATE,
+				ADF_GEN4_PM_POLL_DELAY_US,
+				ADF_GEN4_PM_POLL_TIMEOUT_US, true, addr,
+				ADF_GEN4_PM_STATUS);
+	if (ret)
+		dev_err(&GET_DEV(accel_dev), "Failed to power up the device\n");
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_init_device);
+
+void adf_gen4_set_ssm_wdtimer(struct adf_accel_dev *accel_dev)
+{
+	void __iomem *pmisc_addr = adf_get_pmisc_base(accel_dev);
+	u64 timer_val_pke = ADF_SSM_WDT_PKE_DEFAULT_VALUE;
+	u64 timer_val = ADF_SSM_WDT_DEFAULT_VALUE;
+
+	/* Enable watchdog timer for sym and dc */
+	ADF_CSR_WR64_LO_HI(pmisc_addr, ADF_SSMWDTL_OFFSET, ADF_SSMWDTH_OFFSET, timer_val);
+
+	/* Enable watchdog timer for pke */
+	ADF_CSR_WR64_LO_HI(pmisc_addr, ADF_SSMWDTPKEL_OFFSET, ADF_SSMWDTPKEH_OFFSET,
+			   timer_val_pke);
+}
+EXPORT_SYMBOL_GPL(adf_gen4_set_ssm_wdtimer);
+
+/*
+ * The vector routing table is used to select the MSI-X entry to use for each
+ * interrupt source.
+ * The first ADF_GEN4_ETR_MAX_BANKS entries correspond to ring interrupts.
+ * The final entry corresponds to VF2PF or error interrupts.
+ * This vector table could be used to configure one MSI-X entry to be shared
+ * between multiple interrupt sources.
+ *
+ * The default routing is set to have a one to one correspondence between the
+ * interrupt source and the MSI-X entry used.
+ */
+void adf_gen4_set_msix_default_rttable(struct adf_accel_dev *accel_dev)
+{
+	void __iomem *csr;
+	int i;
+
+	csr = (&GET_BARS(accel_dev)[ADF_GEN4_PMISC_BAR])->virt_addr;
+	for (i = 0; i <= ADF_GEN4_ETR_MAX_BANKS; i++)
+		ADF_CSR_WR(csr, ADF_GEN4_MSIX_RTTABLE_OFFSET(i), i);
+}
+EXPORT_SYMBOL_GPL(adf_gen4_set_msix_default_rttable);
+
+int adf_pfvf_comms_disabled(struct adf_accel_dev *accel_dev)
+{
+	return 0;
+}
+EXPORT_SYMBOL_GPL(adf_pfvf_comms_disabled);
+
+static int reset_ring_pair(void __iomem *csr, u32 bank_number)
+{
+	u32 status;
+	int ret;
+
+	/* Write rpresetctl register BIT(0) as 1
+	 * Since rpresetctl registers have no RW fields, no need to preserve
+	 * values for other bits. Just write directly.
+	 */
+	ADF_CSR_WR(csr, ADF_WQM_CSR_RPRESETCTL(bank_number),
+		   ADF_WQM_CSR_RPRESETCTL_RESET);
+
+	/* Read rpresetsts register and wait for rp reset to complete */
+	ret = read_poll_timeout(ADF_CSR_RD, status,
+				status & ADF_WQM_CSR_RPRESETSTS_STATUS,
+				ADF_RPRESET_POLL_DELAY_US,
+				ADF_RPRESET_POLL_TIMEOUT_US, true,
+				csr, ADF_WQM_CSR_RPRESETSTS(bank_number));
+	if (!ret) {
+		/* When rp reset is done, clear rpresetsts */
+		ADF_CSR_WR(csr, ADF_WQM_CSR_RPRESETSTS(bank_number),
+			   ADF_WQM_CSR_RPRESETSTS_STATUS);
+	}
+
+	return ret;
+}
+
+int adf_gen4_ring_pair_reset(struct adf_accel_dev *accel_dev, u32 bank_number)
+{
+	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
+	void __iomem *csr = adf_get_etr_base(accel_dev);
+	int ret;
+
+	if (bank_number >= hw_data->num_banks)
+		return -EINVAL;
+
+	dev_dbg(&GET_DEV(accel_dev),
+		"ring pair reset for bank:%d\n", bank_number);
+
+	ret = reset_ring_pair(csr, bank_number);
+	if (ret)
+		dev_err(&GET_DEV(accel_dev),
+			"ring pair reset failed (timeout)\n");
+	else
+		dev_dbg(&GET_DEV(accel_dev), "ring pair reset successful\n");
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_ring_pair_reset);
+
+static const u32 thrd_to_arb_map_dcc[] = {
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	0x0000FFFF, 0x0000FFFF, 0x0000FFFF, 0x0000FFFF,
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	0x00000000, 0x00000000, 0x00000000, 0x00000000,
+	0x0
+};
+
+static const u16 rp_group_to_arb_mask[] = {
+	[RP_GROUP_0] = 0x5,
+	[RP_GROUP_1] = 0xA,
+};
+
+static bool is_single_service(int service_id)
+{
+	switch (service_id) {
+	case SVC_DC:
+	case SVC_SYM:
+	case SVC_ASYM:
+		return true;
+	default:
+		return false;
+	}
+}
+
+bool adf_gen4_services_supported(unsigned long mask)
+{
+	unsigned long num_svc = hweight_long(mask);
+
+	if (mask >= BIT(SVC_COUNT))
+		return false;
+
+	if (test_bit(SVC_DECOMP, &mask))
+		return false;
+
+	switch (num_svc) {
+	case ADF_ONE_SERVICE:
+		return true;
+	case ADF_TWO_SERVICES:
+		return !test_bit(SVC_DCC, &mask);
+	default:
+		return false;
+	}
+}
+EXPORT_SYMBOL_GPL(adf_gen4_services_supported);
+
+int adf_gen4_init_thd2arb_map(struct adf_accel_dev *accel_dev)
+{
+	struct adf_hw_device_data *hw_data = GET_HW_DATA(accel_dev);
+	u32 *thd2arb_map = hw_data->thd_to_arb_map;
+	unsigned int ae_cnt, worker_obj_cnt, i, j;
+	unsigned long ae_mask, thds_mask;
+	int srv_id, rp_group;
+	u32 thd2arb_map_base;
+	u16 arb_mask;
+
+	if (!hw_data->get_rp_group || !hw_data->get_ena_thd_mask ||
+	    !hw_data->get_num_aes || !hw_data->uof_get_num_objs ||
+	    !hw_data->uof_get_ae_mask)
+		return -EFAULT;
+
+	srv_id = adf_get_service_enabled(accel_dev);
+	if (srv_id < 0)
+		return srv_id;
+
+	ae_cnt = hw_data->get_num_aes(hw_data);
+	worker_obj_cnt = hw_data->uof_get_num_objs(accel_dev) -
+			 ADF_GEN4_ADMIN_ACCELENGINES;
+
+	if (srv_id == SVC_DCC) {
+		if (ae_cnt > ICP_QAT_HW_AE_DELIMITER)
+			return -EINVAL;
+
+		memcpy(thd2arb_map, thrd_to_arb_map_dcc,
+		       array_size(sizeof(*thd2arb_map), ae_cnt));
+		return 0;
+	}
+
+	for (i = 0; i < worker_obj_cnt; i++) {
+		ae_mask = hw_data->uof_get_ae_mask(accel_dev, i);
+		rp_group = hw_data->get_rp_group(accel_dev, ae_mask);
+		thds_mask = hw_data->get_ena_thd_mask(accel_dev, i);
+		thd2arb_map_base = 0;
+
+		if (rp_group >= RP_GROUP_COUNT || rp_group < RP_GROUP_0)
+			return -EINVAL;
+
+		if (thds_mask == ADF_GEN4_ENA_THD_MASK_ERROR)
+			return -EINVAL;
+
+		if (is_single_service(srv_id))
+			arb_mask = rp_group_to_arb_mask[RP_GROUP_0] |
+				   rp_group_to_arb_mask[RP_GROUP_1];
+		else
+			arb_mask = rp_group_to_arb_mask[rp_group];
+
+		for_each_set_bit(j, &thds_mask, ADF_NUM_THREADS_PER_AE)
+			thd2arb_map_base |= arb_mask << (j * 4);
+
+		for_each_set_bit(j, &ae_mask, ae_cnt)
+			thd2arb_map[j] = thd2arb_map_base;
+	}
+	return 0;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_init_thd2arb_map);
+
+u16 adf_gen4_get_ring_to_svc_map(struct adf_accel_dev *accel_dev)
+{
+	struct adf_hw_device_data *hw_data = GET_HW_DATA(accel_dev);
+	enum adf_cfg_service_type rps[RP_GROUP_COUNT] = { };
+	unsigned int ae_mask, start_id, worker_obj_cnt, i;
+	u16 ring_to_svc_map;
+	int rp_group;
+
+	if (!hw_data->get_rp_group || !hw_data->uof_get_ae_mask ||
+	    !hw_data->uof_get_obj_type || !hw_data->uof_get_num_objs)
+		return 0;
+
+	/* If dcc, all rings handle compression requests */
+	if (adf_get_service_enabled(accel_dev) == SVC_DCC) {
+		for (i = 0; i < RP_GROUP_COUNT; i++)
+			rps[i] = COMP;
+		goto set_mask;
+	}
+
+	worker_obj_cnt = hw_data->uof_get_num_objs(accel_dev) -
+			 ADF_GEN4_ADMIN_ACCELENGINES;
+	start_id = worker_obj_cnt - RP_GROUP_COUNT;
+
+	for (i = start_id; i < worker_obj_cnt; i++) {
+		ae_mask = hw_data->uof_get_ae_mask(accel_dev, i);
+		rp_group = hw_data->get_rp_group(accel_dev, ae_mask);
+		if (rp_group >= RP_GROUP_COUNT || rp_group < RP_GROUP_0)
+			return 0;
+
+		switch (hw_data->uof_get_obj_type(accel_dev, i)) {
+		case ADF_FW_SYM_OBJ:
+			rps[rp_group] = SYM;
+			break;
+		case ADF_FW_ASYM_OBJ:
+			rps[rp_group] = ASYM;
+			break;
+		case ADF_FW_DC_OBJ:
+			rps[rp_group] = COMP;
+			break;
+		default:
+			rps[rp_group] = 0;
+			break;
+		}
+	}
+
+set_mask:
+	ring_to_svc_map = rps[RP_GROUP_0] << ADF_CFG_SERV_RING_PAIR_0_SHIFT |
+			  rps[RP_GROUP_1] << ADF_CFG_SERV_RING_PAIR_1_SHIFT |
+			  rps[RP_GROUP_0] << ADF_CFG_SERV_RING_PAIR_2_SHIFT |
+			  rps[RP_GROUP_1] << ADF_CFG_SERV_RING_PAIR_3_SHIFT;
+
+	return ring_to_svc_map;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_get_ring_to_svc_map);
+
+/*
+ * adf_gen4_bank_quiesce_coal_timer() - quiesce bank coalesced interrupt timer
+ * @accel_dev: Pointer to the device structure
+ * @bank_idx: Offset to the bank within this device
+ * @timeout_ms: Timeout in milliseconds for the operation
+ *
+ * This function tries to quiesce the coalesced interrupt timer of a bank if
+ * it has been enabled and triggered.
+ *
+ * Returns 0 on success, error code otherwise
+ *
+ */
+int adf_gen4_bank_quiesce_coal_timer(struct adf_accel_dev *accel_dev,
+				     u32 bank_idx, int timeout_ms)
+{
+	struct adf_hw_device_data *hw_data = GET_HW_DATA(accel_dev);
+	struct adf_hw_csr_ops *csr_ops = GET_CSR_OPS(accel_dev);
+	void __iomem *csr_misc = adf_get_pmisc_base(accel_dev);
+	void __iomem *csr_etr = adf_get_etr_base(accel_dev);
+	u32 int_col_ctl, int_col_mask, int_col_en;
+	u32 e_stat, intsrc;
+	u64 wait_us;
+	int ret;
+
+	if (timeout_ms < 0)
+		return -EINVAL;
+
+	int_col_ctl = csr_ops->read_csr_int_col_ctl(csr_etr, bank_idx);
+	int_col_mask = csr_ops->get_int_col_ctl_enable_mask();
+	if (!(int_col_ctl & int_col_mask))
+		return 0;
+
+	int_col_en = csr_ops->read_csr_int_col_en(csr_etr, bank_idx);
+	int_col_en &= BIT(ADF_WQM_CSR_RP_IDX_RX);
+
+	e_stat = csr_ops->read_csr_e_stat(csr_etr, bank_idx);
+	if (!(~e_stat & int_col_en))
+		return 0;
+
+	wait_us = 2 * ((int_col_ctl & ~int_col_mask) << 8) * USEC_PER_SEC;
+	do_div(wait_us, hw_data->clock_frequency);
+	wait_us = min(wait_us, (u64)timeout_ms * USEC_PER_MSEC);
+	dev_dbg(&GET_DEV(accel_dev),
+		"wait for bank %d - coalesced timer expires in %llu us (max=%u ms estat=0x%x intcolen=0x%x)\n",
+		bank_idx, wait_us, timeout_ms, e_stat, int_col_en);
+
+	ret = read_poll_timeout(ADF_CSR_RD, intsrc, intsrc,
+				ADF_COALESCED_POLL_DELAY_US, wait_us, true,
+				csr_misc, ADF_WQM_CSR_RPINTSOU(bank_idx));
+	if (ret)
+		dev_warn(&GET_DEV(accel_dev),
+			 "coalesced timer for bank %d expired (%llu us)\n",
+			 bank_idx, wait_us);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_bank_quiesce_coal_timer);
+
+static int drain_bank(void __iomem *csr, u32 bank_number, int timeout_us)
+{
+	u32 status;
+
+	ADF_CSR_WR(csr, ADF_WQM_CSR_RPRESETCTL(bank_number),
+		   ADF_WQM_CSR_RPRESETCTL_DRAIN);
+
+	return read_poll_timeout(ADF_CSR_RD, status,
+				status & ADF_WQM_CSR_RPRESETSTS_STATUS,
+				ADF_RPRESET_POLL_DELAY_US, timeout_us, true,
+				csr, ADF_WQM_CSR_RPRESETSTS(bank_number));
+}
+
+void adf_gen4_bank_drain_finish(struct adf_accel_dev *accel_dev,
+				u32 bank_number)
+{
+	void __iomem *csr = adf_get_etr_base(accel_dev);
+
+	ADF_CSR_WR(csr, ADF_WQM_CSR_RPRESETSTS(bank_number),
+		   ADF_WQM_CSR_RPRESETSTS_STATUS);
+}
+
+int adf_gen4_bank_drain_start(struct adf_accel_dev *accel_dev,
+			      u32 bank_number, int timeout_us)
+{
+	void __iomem *csr = adf_get_etr_base(accel_dev);
+	int ret;
+
+	dev_dbg(&GET_DEV(accel_dev), "Drain bank %d\n", bank_number);
+
+	ret = drain_bank(csr, bank_number, timeout_us);
+	if (ret)
+		dev_err(&GET_DEV(accel_dev), "Bank drain failed (timeout)\n");
+	else
+		dev_dbg(&GET_DEV(accel_dev), "Bank drain successful\n");
+
+	return ret;
+}
+
+static int adf_gen4_build_comp_block(void *ctx, enum adf_dc_algo algo)
+{
+	struct icp_qat_fw_comp_req *req_tmpl = ctx;
+	struct icp_qat_fw_comp_req_hdr_cd_pars *cd_pars = &req_tmpl->cd_pars;
+	struct icp_qat_hw_comp_20_config_csr_upper hw_comp_upper_csr = { };
+	struct icp_qat_hw_comp_20_config_csr_lower hw_comp_lower_csr = { };
+	struct icp_qat_fw_comn_req_hdr *header = &req_tmpl->comn_hdr;
+	u32 upper_val;
+	u32 lower_val;
+
+	switch (algo) {
+	case QAT_DEFLATE:
+		header->service_cmd_id = ICP_QAT_FW_COMP_CMD_DYNAMIC;
+		hw_comp_lower_csr.algo = ICP_QAT_HW_COMP_20_HW_COMP_FORMAT_ILZ77;
+		hw_comp_lower_csr.lllbd = ICP_QAT_HW_COMP_20_LLLBD_CTRL_LLLBD_ENABLED;
+		hw_comp_lower_csr.skip_ctrl = ICP_QAT_HW_COMP_20_BYTE_SKIP_3BYTE_LITERAL;
+		break;
+	case QAT_LZ4S:
+		header->service_cmd_id = ICP_QAT_FW_COMP_20_CMD_LZ4S_COMPRESS;
+		hw_comp_lower_csr.algo = ICP_QAT_HW_COMP_20_HW_COMP_FORMAT_LZ4S;
+		hw_comp_lower_csr.lllbd = ICP_QAT_HW_COMP_20_LLLBD_CTRL_LLLBD_DISABLED;
+		hw_comp_lower_csr.abd = ICP_QAT_HW_COMP_20_ABD_ABD_DISABLED;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	hw_comp_lower_csr.sd = ICP_QAT_HW_COMP_20_SEARCH_DEPTH_LEVEL_1;
+	hw_comp_lower_csr.hash_update = ICP_QAT_HW_COMP_20_SKIP_HASH_UPDATE_DONT_ALLOW;
+	hw_comp_lower_csr.edmm = ICP_QAT_HW_COMP_20_EXTENDED_DELAY_MATCH_MODE_EDMM_ENABLED;
+	hw_comp_upper_csr.nice = ICP_QAT_HW_COMP_20_CONFIG_CSR_NICE_PARAM_DEFAULT_VAL;
+	hw_comp_upper_csr.lazy = ICP_QAT_HW_COMP_20_CONFIG_CSR_LAZY_PARAM_DEFAULT_VAL;
+
+	upper_val = ICP_QAT_FW_COMP_20_BUILD_CONFIG_UPPER(hw_comp_upper_csr);
+	lower_val = ICP_QAT_FW_COMP_20_BUILD_CONFIG_LOWER(hw_comp_lower_csr);
+
+	cd_pars->u.sl.comp_slice_cfg_word[0] = lower_val;
+	cd_pars->u.sl.comp_slice_cfg_word[1] = upper_val;
+
+	return 0;
+}
+
+static int adf_gen4_build_decomp_block(void *ctx, enum adf_dc_algo algo)
+{
+	struct icp_qat_fw_comp_req *req_tmpl = ctx;
+	struct icp_qat_hw_decomp_20_config_csr_lower hw_decomp_lower_csr = { };
+	struct icp_qat_fw_comp_req_hdr_cd_pars *cd_pars = &req_tmpl->cd_pars;
+	struct icp_qat_fw_comn_req_hdr *header = &req_tmpl->comn_hdr;
+	u32 lower_val;
+
+	switch (algo) {
+	case QAT_DEFLATE:
+		header->service_cmd_id = ICP_QAT_FW_COMP_CMD_DECOMPRESS;
+		hw_decomp_lower_csr.algo = ICP_QAT_HW_DECOMP_20_HW_DECOMP_FORMAT_DEFLATE;
+		break;
+	case QAT_LZ4S:
+		header->service_cmd_id = ICP_QAT_FW_COMP_20_CMD_LZ4S_DECOMPRESS;
+		hw_decomp_lower_csr.algo = ICP_QAT_HW_DECOMP_20_HW_DECOMP_FORMAT_LZ4S;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	lower_val = ICP_QAT_FW_DECOMP_20_BUILD_CONFIG_LOWER(hw_decomp_lower_csr);
+
+	cd_pars->u.sl.comp_slice_cfg_word[0] = lower_val;
+	cd_pars->u.sl.comp_slice_cfg_word[1] = 0;
+
+	return 0;
+}
+
+void adf_gen4_init_dc_ops(struct adf_dc_ops *dc_ops)
+{
+	dc_ops->build_comp_block = adf_gen4_build_comp_block;
+	dc_ops->build_decomp_block = adf_gen4_build_decomp_block;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_init_dc_ops);
+
+void adf_gen4_init_num_svc_aes(struct adf_rl_hw_data *device_data)
+{
+	struct adf_hw_device_data *hw_data;
+	unsigned int i;
+	u32 ae_cnt;
+
+	hw_data = container_of(device_data, struct adf_hw_device_data, rl_data);
+	ae_cnt = hweight32(hw_data->get_ae_mask(hw_data));
+	if (!ae_cnt)
+		return;
+
+	for (i = 0; i < SVC_BASE_COUNT; i++)
+		device_data->svc_ae_mask[i] = ae_cnt - 1;
+
+	/*
+	 * The decompression service is not supported on QAT GEN4 devices.
+	 * Therefore, set svc_ae_mask to 0.
+	 */
+	device_data->svc_ae_mask[SVC_DECOMP] = 0;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_init_num_svc_aes);
+
+u32 adf_gen4_get_svc_slice_cnt(struct adf_accel_dev *accel_dev,
+			       enum adf_base_services svc)
+{
+	struct adf_rl_hw_data *device_data = &accel_dev->hw_device->rl_data;
+
+	switch (svc) {
+	case SVC_SYM:
+		return device_data->slices.cph_cnt;
+	case SVC_ASYM:
+		return device_data->slices.pke_cnt;
+	case SVC_DC:
+		return device_data->slices.dcpr_cnt;
+	default:
+		return 0;
+	}
+}
+EXPORT_SYMBOL_GPL(adf_gen4_get_svc_slice_cnt);

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_gen4_hw_data.h

@@ -0,0 +1,182 @@
+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
+/* Copyright(c) 2020 Intel Corporation */
+#ifndef ADF_GEN4_HW_DATA_H_
+#define ADF_GEN4_HW_DATA_H_
+
+#include <linux/units.h>
+
+#include "adf_accel_devices.h"
+#include "adf_cfg_common.h"
+#include "adf_dc.h"
+
+/* PCIe configuration space */
+#define ADF_GEN4_BAR_MASK	(BIT(0) | BIT(2) | BIT(4))
+#define ADF_GEN4_SRAM_BAR	0
+#define ADF_GEN4_PMISC_BAR	1
+#define ADF_GEN4_ETR_BAR	2
+
+/* Clocks frequency */
+#define ADF_GEN4_KPT_COUNTER_FREQ	(100 * HZ_PER_MHZ)
+
+/* Physical function fuses */
+#define ADF_GEN4_FUSECTL0_OFFSET	0x2C8
+#define ADF_GEN4_FUSECTL1_OFFSET	0x2CC
+#define ADF_GEN4_FUSECTL2_OFFSET	0x2D0
+#define ADF_GEN4_FUSECTL3_OFFSET	0x2D4
+#define ADF_GEN4_FUSECTL4_OFFSET	0x2D8
+#define ADF_GEN4_FUSECTL5_OFFSET	0x2DC
+
+/* Accelerators */
+#define ADF_GEN4_ACCELERATORS_MASK	0x1
+#define ADF_GEN4_MAX_ACCELERATORS	1
+#define ADF_GEN4_ADMIN_ACCELENGINES	1
+
+/* MSIX interrupt */
+#define ADF_GEN4_SMIAPF_RP_X0_MASK_OFFSET	0x41A040
+#define ADF_GEN4_SMIAPF_RP_X1_MASK_OFFSET	0x41A044
+#define ADF_GEN4_SMIAPF_MASK_OFFSET		0x41A084
+#define ADF_GEN4_MSIX_RTTABLE_OFFSET(i)		(0x409000 + ((i) * 0x04))
+
+/* Bank and ring configuration */
+#define ADF_GEN4_MAX_RPS		64
+#define ADF_GEN4_NUM_RINGS_PER_BANK	2
+#define ADF_GEN4_NUM_BANKS_PER_VF	4
+#define ADF_GEN4_ETR_MAX_BANKS		64
+#define ADF_GEN4_RX_RINGS_OFFSET	1
+#define ADF_GEN4_TX_RINGS_MASK		0x1
+
+/* Arbiter configuration */
+#define ADF_GEN4_ARB_CONFIG			(BIT(31) | BIT(6) | BIT(0))
+#define ADF_GEN4_ARB_OFFSET			0x0
+#define ADF_GEN4_ARB_WRK_2_SER_MAP_OFFSET	0x400
+
+/* Admin Interface Reg Offset */
+#define ADF_GEN4_ADMINMSGUR_OFFSET	0x500574
+#define ADF_GEN4_ADMINMSGLR_OFFSET	0x500578
+#define ADF_GEN4_MAILBOX_BASE_OFFSET	0x600970
+
+/* Default ring mapping */
+#define ADF_GEN4_DEFAULT_RING_TO_SRV_MAP \
+	(ASYM << ADF_CFG_SERV_RING_PAIR_0_SHIFT | \
+	  SYM << ADF_CFG_SERV_RING_PAIR_1_SHIFT | \
+	 ASYM << ADF_CFG_SERV_RING_PAIR_2_SHIFT | \
+	  SYM << ADF_CFG_SERV_RING_PAIR_3_SHIFT)
+
+/* WDT timers
+ *
+ * Timeout is in cycles. Clock speed may vary across products but this
+ * value should be a few milli-seconds.
+ */
+#define ADF_SSM_WDT_DEFAULT_VALUE	0x7000000ULL
+#define ADF_SSM_WDT_PKE_DEFAULT_VALUE	0x8000000
+#define ADF_SSMWDTL_OFFSET		0x54
+#define ADF_SSMWDTH_OFFSET		0x5C
+#define ADF_SSMWDTPKEL_OFFSET		0x58
+#define ADF_SSMWDTPKEH_OFFSET		0x60
+
+/* Ring reset */
+#define ADF_RPRESET_POLL_TIMEOUT_US	(5 * USEC_PER_SEC)
+#define ADF_RPRESET_POLL_DELAY_US	20
+#define ADF_WQM_CSR_RPRESETCTL_RESET	BIT(0)
+#define ADF_WQM_CSR_RPRESETCTL_DRAIN	BIT(2)
+#define ADF_WQM_CSR_RPRESETCTL(bank)	(0x6000 + ((bank) << 3))
+#define ADF_WQM_CSR_RPRESETSTS_STATUS	BIT(0)
+#define ADF_WQM_CSR_RPRESETSTS(bank)	(ADF_WQM_CSR_RPRESETCTL(bank) + 4)
+
+/* Ring interrupt */
+#define ADF_COALESCED_POLL_TIMEOUT_US	(1 * USEC_PER_SEC)
+#define ADF_COALESCED_POLL_DELAY_US	1000
+#define ADF_WQM_CSR_RPINTSOU(bank)	(0x200000 + ((bank) << 12))
+#define ADF_WQM_CSR_RP_IDX_RX		1
+
+/* Error source registers */
+#define ADF_GEN4_ERRSOU0	(0x41A200)
+#define ADF_GEN4_ERRSOU1	(0x41A204)
+#define ADF_GEN4_ERRSOU2	(0x41A208)
+#define ADF_GEN4_ERRSOU3	(0x41A20C)
+
+/* Error source mask registers */
+#define ADF_GEN4_ERRMSK0	(0x41A210)
+#define ADF_GEN4_ERRMSK1	(0x41A214)
+#define ADF_GEN4_ERRMSK2	(0x41A218)
+#define ADF_GEN4_ERRMSK3	(0x41A21C)
+
+#define ADF_GEN4_VFLNOTIFY	BIT(7)
+
+/* Number of heartbeat counter pairs */
+#define ADF_NUM_HB_CNT_PER_AE ADF_NUM_THREADS_PER_AE
+
+/* Rate Limiting */
+#define ADF_GEN4_RL_R2L_OFFSET			0x508000
+#define ADF_GEN4_RL_L2C_OFFSET			0x509000
+#define ADF_GEN4_RL_C2S_OFFSET			0x508818
+#define ADF_GEN4_RL_TOKEN_PCIEIN_BUCKET_OFFSET	0x508800
+#define ADF_GEN4_RL_TOKEN_PCIEOUT_BUCKET_OFFSET	0x508804
+
+/* Arbiter threads mask with error value */
+#define ADF_GEN4_ENA_THD_MASK_ERROR	GENMASK(ADF_NUM_THREADS_PER_AE, 0)
+
+/* PF2VM communication channel */
+#define ADF_GEN4_PF2VM_OFFSET(i)	(0x40B010 + (i) * 0x20)
+#define ADF_GEN4_VM2PF_OFFSET(i)	(0x40B014 + (i) * 0x20)
+#define ADF_GEN4_VINTMSKPF2VM_OFFSET(i)	(0x40B00C + (i) * 0x20)
+#define ADF_GEN4_VINTSOUPF2VM_OFFSET(i)	(0x40B008 + (i) * 0x20)
+#define ADF_GEN4_VINTMSK_OFFSET(i)	(0x40B004 + (i) * 0x20)
+#define ADF_GEN4_VINTSOU_OFFSET(i)	(0x40B000 + (i) * 0x20)
+
+struct adf_gen4_vfmig {
+	struct adf_mstate_mgr *mstate_mgr;
+	bool bank_stopped[ADF_GEN4_NUM_BANKS_PER_VF];
+};
+
+void adf_gen4_set_ssm_wdtimer(struct adf_accel_dev *accel_dev);
+
+enum icp_qat_gen4_slice_mask {
+	ICP_ACCEL_GEN4_MASK_CIPHER_SLICE = BIT(0),
+	ICP_ACCEL_GEN4_MASK_AUTH_SLICE = BIT(1),
+	ICP_ACCEL_GEN4_MASK_PKE_SLICE = BIT(2),
+	ICP_ACCEL_GEN4_MASK_COMPRESS_SLICE = BIT(3),
+	ICP_ACCEL_GEN4_MASK_UCS_SLICE = BIT(4),
+	ICP_ACCEL_GEN4_MASK_EIA3_SLICE = BIT(5),
+	ICP_ACCEL_GEN4_MASK_SMX_SLICE = BIT(7),
+	ICP_ACCEL_GEN4_MASK_WCP_WAT_SLICE = BIT(8),
+	ICP_ACCEL_GEN4_MASK_ZUC_256_SLICE = BIT(9),
+};
+
+enum adf_gen4_rp_groups {
+	RP_GROUP_0,
+	RP_GROUP_1,
+	RP_GROUP_COUNT
+};
+
+void adf_gen4_enable_error_correction(struct adf_accel_dev *accel_dev);
+void adf_gen4_enable_ints(struct adf_accel_dev *accel_dev);
+u32 adf_gen4_get_accel_mask(struct adf_hw_device_data *self);
+void adf_gen4_get_admin_info(struct admin_info *admin_csrs_info);
+void adf_gen4_get_arb_info(struct arb_info *arb_info);
+u32 adf_gen4_get_etr_bar_id(struct adf_hw_device_data *self);
+u32 adf_gen4_get_heartbeat_clock(struct adf_hw_device_data *self);
+u32 adf_gen4_get_misc_bar_id(struct adf_hw_device_data *self);
+u32 adf_gen4_get_num_accels(struct adf_hw_device_data *self);
+u32 adf_gen4_get_num_aes(struct adf_hw_device_data *self);
+enum dev_sku_info adf_gen4_get_sku(struct adf_hw_device_data *self);
+u32 adf_gen4_get_sram_bar_id(struct adf_hw_device_data *self);
+int adf_gen4_init_device(struct adf_accel_dev *accel_dev);
+int adf_gen4_ring_pair_reset(struct adf_accel_dev *accel_dev, u32 bank_number);
+void adf_gen4_set_msix_default_rttable(struct adf_accel_dev *accel_dev);
+void adf_gen4_set_ssm_wdtimer(struct adf_accel_dev *accel_dev);
+int adf_gen4_init_thd2arb_map(struct adf_accel_dev *accel_dev);
+u16 adf_gen4_get_ring_to_svc_map(struct adf_accel_dev *accel_dev);
+int adf_gen4_bank_quiesce_coal_timer(struct adf_accel_dev *accel_dev,
+				     u32 bank_idx, int timeout_ms);
+int adf_gen4_bank_drain_start(struct adf_accel_dev *accel_dev,
+			      u32 bank_number, int timeout_us);
+void adf_gen4_bank_drain_finish(struct adf_accel_dev *accel_dev,
+				u32 bank_number);
+bool adf_gen4_services_supported(unsigned long service_mask);
+void adf_gen4_init_dc_ops(struct adf_dc_ops *dc_ops);
+void adf_gen4_init_num_svc_aes(struct adf_rl_hw_data *device_data);
+u32 adf_gen4_get_svc_slice_cnt(struct adf_accel_dev *accel_dev,
+			       enum adf_base_services svc);
+
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_gen4_pfvf.c

@@ -0,0 +1,145 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2021 Intel Corporation */
+#include <linux/iopoll.h>
+#include <linux/mutex.h>
+#include <linux/types.h>
+#include "adf_accel_devices.h"
+#include "adf_common_drv.h"
+#include "adf_gen4_pfvf.h"
+#include "adf_gen4_hw_data.h"
+#include "adf_pfvf_pf_proto.h"
+#include "adf_pfvf_utils.h"
+
+/* VF2PF interrupt source registers */
+#define ADF_4XXX_VM2PF_SOU		0x41A180
+#define ADF_4XXX_VM2PF_MSK		0x41A1C0
+#define ADF_GEN4_VF_MSK			0xFFFF
+
+#define ADF_PFVF_GEN4_MSGTYPE_SHIFT	2
+#define ADF_PFVF_GEN4_MSGTYPE_MASK	0x3F
+#define ADF_PFVF_GEN4_MSGDATA_SHIFT	8
+#define ADF_PFVF_GEN4_MSGDATA_MASK	0xFFFFFF
+
+static const struct pfvf_csr_format csr_gen4_fmt = {
+	{ ADF_PFVF_GEN4_MSGTYPE_SHIFT, ADF_PFVF_GEN4_MSGTYPE_MASK },
+	{ ADF_PFVF_GEN4_MSGDATA_SHIFT, ADF_PFVF_GEN4_MSGDATA_MASK },
+};
+
+static u32 adf_gen4_pf_get_pf2vf_offset(u32 i)
+{
+	return ADF_GEN4_PF2VM_OFFSET(i);
+}
+
+static u32 adf_gen4_pf_get_vf2pf_offset(u32 i)
+{
+	return ADF_GEN4_VM2PF_OFFSET(i);
+}
+
+static void adf_gen4_enable_vf2pf_interrupts(void __iomem *pmisc_addr, u32 vf_mask)
+{
+	u32 val;
+
+	val = ADF_CSR_RD(pmisc_addr, ADF_4XXX_VM2PF_MSK) & ~vf_mask;
+	ADF_CSR_WR(pmisc_addr, ADF_4XXX_VM2PF_MSK, val);
+}
+
+static void adf_gen4_disable_all_vf2pf_interrupts(void __iomem *pmisc_addr)
+{
+	ADF_CSR_WR(pmisc_addr, ADF_4XXX_VM2PF_MSK, ADF_GEN4_VF_MSK);
+}
+
+static u32 adf_gen4_disable_pending_vf2pf_interrupts(void __iomem *pmisc_addr)
+{
+	u32 sources, disabled, pending;
+
+	/* Get the interrupt sources triggered by VFs */
+	sources = ADF_CSR_RD(pmisc_addr, ADF_4XXX_VM2PF_SOU);
+	if (!sources)
+		return 0;
+
+	/* Get the already disabled interrupts */
+	disabled = ADF_CSR_RD(pmisc_addr, ADF_4XXX_VM2PF_MSK);
+
+	pending = sources & ~disabled;
+	if (!pending)
+		return 0;
+
+	/* Due to HW limitations, when disabling the interrupts, we can't
+	 * just disable the requested sources, as this would lead to missed
+	 * interrupts if VM2PF_SOU changes just before writing to VM2PF_MSK.
+	 * To work around it, disable all and re-enable only the sources that
+	 * are not in vf_mask and were not already disabled. Re-enabling will
+	 * trigger a new interrupt for the sources that have changed in the
+	 * meantime, if any.
+	 */
+	ADF_CSR_WR(pmisc_addr, ADF_4XXX_VM2PF_MSK, ADF_GEN4_VF_MSK);
+	ADF_CSR_WR(pmisc_addr, ADF_4XXX_VM2PF_MSK, disabled | sources);
+
+	/* Return the sources of the (new) interrupt(s) */
+	return pending;
+}
+
+static int adf_gen4_pfvf_send(struct adf_accel_dev *accel_dev,
+			      struct pfvf_message msg, u32 pfvf_offset,
+			      struct mutex *csr_lock)
+{
+	void __iomem *pmisc_addr = adf_get_pmisc_base(accel_dev);
+	u32 csr_val;
+	int ret;
+
+	csr_val = adf_pfvf_csr_msg_of(accel_dev, msg, &csr_gen4_fmt);
+	if (unlikely(!csr_val))
+		return -EINVAL;
+
+	mutex_lock(csr_lock);
+
+	ADF_CSR_WR(pmisc_addr, pfvf_offset, csr_val | ADF_PFVF_INT);
+
+	/* Wait for confirmation from remote that it received the message */
+	ret = read_poll_timeout(ADF_CSR_RD, csr_val, !(csr_val & ADF_PFVF_INT),
+				ADF_PFVF_MSG_ACK_DELAY_US,
+				ADF_PFVF_MSG_ACK_MAX_DELAY_US,
+				true, pmisc_addr, pfvf_offset);
+	if (ret < 0)
+		dev_dbg(&GET_DEV(accel_dev), "ACK not received from remote\n");
+
+	mutex_unlock(csr_lock);
+	return ret;
+}
+
+static struct pfvf_message adf_gen4_pfvf_recv(struct adf_accel_dev *accel_dev,
+					      u32 pfvf_offset, u8 compat_ver)
+{
+	void __iomem *pmisc_addr = adf_get_pmisc_base(accel_dev);
+	struct pfvf_message msg = { 0 };
+	u32 csr_val;
+
+	/* Read message from the CSR */
+	csr_val = ADF_CSR_RD(pmisc_addr, pfvf_offset);
+	if (!(csr_val & ADF_PFVF_INT)) {
+		dev_info(&GET_DEV(accel_dev),
+			 "Spurious PFVF interrupt, msg 0x%.8x. Ignored\n", csr_val);
+		return msg;
+	}
+
+	/* We can now acknowledge the message reception by clearing the
+	 * interrupt bit
+	 */
+	ADF_CSR_WR(pmisc_addr, pfvf_offset, csr_val & ~ADF_PFVF_INT);
+
+	/* Return the pfvf_message format */
+	return adf_pfvf_message_of(accel_dev, csr_val, &csr_gen4_fmt);
+}
+
+void adf_gen4_init_pf_pfvf_ops(struct adf_pfvf_ops *pfvf_ops)
+{
+	pfvf_ops->enable_comms = adf_enable_pf2vf_comms;
+	pfvf_ops->get_pf2vf_offset = adf_gen4_pf_get_pf2vf_offset;
+	pfvf_ops->get_vf2pf_offset = adf_gen4_pf_get_vf2pf_offset;
+	pfvf_ops->enable_vf2pf_interrupts = adf_gen4_enable_vf2pf_interrupts;
+	pfvf_ops->disable_all_vf2pf_interrupts = adf_gen4_disable_all_vf2pf_interrupts;
+	pfvf_ops->disable_pending_vf2pf_interrupts = adf_gen4_disable_pending_vf2pf_interrupts;
+	pfvf_ops->send_msg = adf_gen4_pfvf_send;
+	pfvf_ops->recv_msg = adf_gen4_pfvf_recv;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_init_pf_pfvf_ops);

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_gen4_pfvf.h

@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
+/* Copyright(c) 2021 Intel Corporation */
+#ifndef ADF_GEN4_PFVF_H
+#define ADF_GEN4_PFVF_H
+
+#include "adf_accel_devices.h"
+#include "adf_common_drv.h"
+
+#ifdef CONFIG_PCI_IOV
+void adf_gen4_init_pf_pfvf_ops(struct adf_pfvf_ops *pfvf_ops);
+#else
+static inline void adf_gen4_init_pf_pfvf_ops(struct adf_pfvf_ops *pfvf_ops)
+{
+	pfvf_ops->enable_comms = adf_pfvf_comms_disabled;
+}
+#endif
+
+#endif /* ADF_GEN4_PFVF_H */

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.c

@@ -0,0 +1,164 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2022 Intel Corporation */
+#include <linux/bitfield.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+
+#include "adf_accel_devices.h"
+#include "adf_admin.h"
+#include "adf_common_drv.h"
+#include "adf_gen4_pm.h"
+#include "adf_cfg_strings.h"
+#include "icp_qat_fw_init_admin.h"
+#include "adf_gen4_hw_data.h"
+#include "adf_cfg.h"
+
+struct adf_gen4_pm_data {
+	struct work_struct pm_irq_work;
+	struct adf_accel_dev *accel_dev;
+	u32 pm_int_sts;
+};
+
+static int send_host_msg(struct adf_accel_dev *accel_dev)
+{
+	char pm_idle_support_cfg[ADF_CFG_MAX_VAL_LEN_IN_BYTES] = {};
+	void __iomem *pmisc = adf_get_pmisc_base(accel_dev);
+	struct adf_pm *pm = &accel_dev->power_management;
+	bool pm_idle_support;
+	u32 msg;
+	int ret;
+
+	msg = ADF_CSR_RD(pmisc, ADF_GEN4_PM_HOST_MSG);
+	if (msg & ADF_GEN4_PM_MSG_PENDING)
+		return -EBUSY;
+
+	adf_cfg_get_param_value(accel_dev, ADF_GENERAL_SEC,
+				ADF_PM_IDLE_SUPPORT, pm_idle_support_cfg);
+	ret = kstrtobool(pm_idle_support_cfg, &pm_idle_support);
+	if (ret)
+		pm_idle_support = true;
+
+	if (pm_idle_support)
+		pm->host_ack_counter++;
+	else
+		pm->host_nack_counter++;
+
+	/* Send HOST_MSG */
+	msg = FIELD_PREP(ADF_GEN4_PM_MSG_PAYLOAD_BIT_MASK,
+			 pm_idle_support ? PM_SET_MIN : PM_NO_CHANGE);
+	msg |= ADF_GEN4_PM_MSG_PENDING;
+	ADF_CSR_WR(pmisc, ADF_GEN4_PM_HOST_MSG, msg);
+
+	/* Poll status register to make sure the HOST_MSG has been processed */
+	return read_poll_timeout(ADF_CSR_RD, msg,
+				!(msg & ADF_GEN4_PM_MSG_PENDING),
+				ADF_GEN4_PM_MSG_POLL_DELAY_US,
+				ADF_GEN4_PM_POLL_TIMEOUT_US, true, pmisc,
+				ADF_GEN4_PM_HOST_MSG);
+}
+
+static void pm_bh_handler(struct work_struct *work)
+{
+	struct adf_gen4_pm_data *pm_data =
+		container_of(work, struct adf_gen4_pm_data, pm_irq_work);
+	struct adf_accel_dev *accel_dev = pm_data->accel_dev;
+	void __iomem *pmisc = adf_get_pmisc_base(accel_dev);
+	struct adf_pm *pm = &accel_dev->power_management;
+	u32 pm_int_sts = pm_data->pm_int_sts;
+	u32 val;
+
+	/* PM Idle interrupt */
+	if (pm_int_sts & ADF_GEN4_PM_IDLE_STS) {
+		pm->idle_irq_counters++;
+		/* Issue host message to FW */
+		if (send_host_msg(accel_dev))
+			dev_warn_ratelimited(&GET_DEV(accel_dev),
+					     "Failed to send host msg to FW\n");
+	}
+
+	/* PM throttle interrupt */
+	if (pm_int_sts & ADF_GEN4_PM_THR_STS)
+		pm->throttle_irq_counters++;
+
+	/* PM fw interrupt */
+	if (pm_int_sts & ADF_GEN4_PM_FW_INT_STS)
+		pm->fw_irq_counters++;
+
+	/* Clear interrupt status */
+	ADF_CSR_WR(pmisc, ADF_GEN4_PM_INTERRUPT, pm_int_sts);
+
+	/* Reenable PM interrupt */
+	val = ADF_CSR_RD(pmisc, ADF_GEN4_ERRMSK2);
+	val &= ~ADF_GEN4_PM_SOU;
+	ADF_CSR_WR(pmisc, ADF_GEN4_ERRMSK2, val);
+
+	kfree(pm_data);
+}
+
+bool adf_gen4_handle_pm_interrupt(struct adf_accel_dev *accel_dev)
+{
+	void __iomem *pmisc = adf_get_pmisc_base(accel_dev);
+	struct adf_gen4_pm_data *pm_data = NULL;
+	u32 errsou2;
+	u32 errmsk2;
+	u32 val;
+
+	/* Only handle the interrupt triggered by PM */
+	errmsk2 = ADF_CSR_RD(pmisc, ADF_GEN4_ERRMSK2);
+	if (errmsk2 & ADF_GEN4_PM_SOU)
+		return false;
+
+	errsou2 = ADF_CSR_RD(pmisc, ADF_GEN4_ERRSOU2);
+	if (!(errsou2 & ADF_GEN4_PM_SOU))
+		return false;
+
+	/* Disable interrupt */
+	val = ADF_CSR_RD(pmisc, ADF_GEN4_ERRMSK2);
+	val |= ADF_GEN4_PM_SOU;
+	ADF_CSR_WR(pmisc, ADF_GEN4_ERRMSK2, val);
+
+	val = ADF_CSR_RD(pmisc, ADF_GEN4_PM_INTERRUPT);
+
+	pm_data = kzalloc_obj(*pm_data, GFP_ATOMIC);
+	if (!pm_data)
+		return false;
+
+	pm_data->pm_int_sts = val;
+	pm_data->accel_dev = accel_dev;
+
+	INIT_WORK(&pm_data->pm_irq_work, pm_bh_handler);
+	adf_misc_wq_queue_work(&pm_data->pm_irq_work);
+
+	return true;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_handle_pm_interrupt);
+
+int adf_gen4_enable_pm(struct adf_accel_dev *accel_dev)
+{
+	void __iomem *pmisc = adf_get_pmisc_base(accel_dev);
+	int ret;
+	u32 val;
+
+	ret = adf_init_admin_pm(accel_dev, ADF_GEN4_PM_DEFAULT_IDLE_FILTER);
+	if (ret)
+		return ret;
+
+	/* Initialize PM internal data */
+	adf_gen4_init_dev_pm_data(accel_dev);
+
+	/* Enable default PM interrupts: IDLE, THROTTLE */
+	val = ADF_CSR_RD(pmisc, ADF_GEN4_PM_INTERRUPT);
+	val |= ADF_GEN4_PM_INT_EN_DEFAULT;
+
+	/* Clear interrupt status */
+	val |= ADF_GEN4_PM_INT_STS_MASK;
+	ADF_CSR_WR(pmisc, ADF_GEN4_PM_INTERRUPT, val);
+
+	/* Unmask PM Interrupt */
+	val = ADF_CSR_RD(pmisc, ADF_GEN4_ERRMSK2);
+	val &= ~ADF_GEN4_PM_SOU;
+	ADF_CSR_WR(pmisc, ADF_GEN4_ERRMSK2, val);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(adf_gen4_enable_pm);

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_gen4_pm.h

@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
+/* Copyright(c) 2022 Intel Corporation */
+#ifndef ADF_GEN4_PM_H
+#define ADF_GEN4_PM_H
+
+#include <linux/bits.h>
+
+struct adf_accel_dev;
+
+enum qat_pm_host_msg {
+	PM_NO_CHANGE = 0,
+	PM_SET_MIN,
+};
+
+/* Power management registers */
+#define ADF_GEN4_PM_HOST_MSG (0x50A01C)
+
+/* Power management */
+#define ADF_GEN4_PM_POLL_DELAY_US	20
+#define ADF_GEN4_PM_POLL_TIMEOUT_US	USEC_PER_SEC
+#define ADF_GEN4_PM_MSG_POLL_DELAY_US	(10 * USEC_PER_MSEC)
+#define ADF_GEN4_PM_STATUS		(0x50A00C)
+#define ADF_GEN4_PM_INTERRUPT		(0x50A028)
+
+/* Power management source in ERRSOU2 and ERRMSK2 */
+#define ADF_GEN4_PM_SOU			BIT(18)
+
+#define ADF_GEN4_PM_IDLE_INT_EN		BIT(18)
+#define ADF_GEN4_PM_THROTTLE_INT_EN	BIT(19)
+#define ADF_GEN4_PM_DRV_ACTIVE		BIT(20)
+#define ADF_GEN4_PM_INIT_STATE		BIT(21)
+#define ADF_GEN4_PM_INT_EN_DEFAULT	(ADF_GEN4_PM_IDLE_INT_EN | \
+					ADF_GEN4_PM_THROTTLE_INT_EN)
+
+#define ADF_GEN4_PM_THR_STS	BIT(0)
+#define ADF_GEN4_PM_IDLE_STS	BIT(1)
+#define ADF_GEN4_PM_FW_INT_STS	BIT(2)
+#define ADF_GEN4_PM_INT_STS_MASK (ADF_GEN4_PM_THR_STS | \
+				 ADF_GEN4_PM_IDLE_STS | \
+				 ADF_GEN4_PM_FW_INT_STS)
+
+#define ADF_GEN4_PM_MSG_PENDING			BIT(0)
+#define ADF_GEN4_PM_MSG_PAYLOAD_BIT_MASK	GENMASK(28, 1)
+
+#define ADF_GEN4_PM_DEFAULT_IDLE_FILTER		(0x6)
+#define ADF_GEN4_PM_MAX_IDLE_FILTER		(0x7)
+#define ADF_GEN4_PM_DEFAULT_IDLE_SUPPORT	(0x1)
+
+/* PM CSRs fields masks */
+#define ADF_GEN4_PM_DOMAIN_POWER_GATED_MASK	GENMASK(15, 0)
+#define ADF_GEN4_PM_SSM_PM_ENABLE_MASK		GENMASK(15, 0)
+#define ADF_GEN4_PM_IDLE_FILTER_MASK		GENMASK(5, 3)
+#define ADF_GEN4_PM_IDLE_ENABLE_MASK		BIT(2)
+#define ADF_GEN4_PM_ENABLE_PM_MASK		BIT(21)
+#define ADF_GEN4_PM_ENABLE_PM_IDLE_MASK		BIT(22)
+#define ADF_GEN4_PM_ENABLE_DEEP_PM_IDLE_MASK	BIT(23)
+#define ADF_GEN4_PM_CURRENT_WP_MASK		GENMASK(19, 11)
+#define ADF_GEN4_PM_CPM_PM_STATE_MASK		GENMASK(22, 20)
+#define ADF_GEN4_PM_PENDING_WP_MASK		GENMASK(31, 23)
+#define ADF_GEN4_PM_THR_VALUE_MASK		GENMASK(6, 4)
+#define ADF_GEN4_PM_MIN_PWR_ACK_MASK		BIT(7)
+#define ADF_GEN4_PM_MIN_PWR_ACK_PENDING_MASK	BIT(17)
+#define ADF_GEN4_PM_CPR_ACTIVE_COUNT_MASK	BIT(0)
+#define ADF_GEN4_PM_CPR_MANAGED_COUNT_MASK	BIT(0)
+#define ADF_GEN4_PM_XLT_ACTIVE_COUNT_MASK	BIT(1)
+#define ADF_GEN4_PM_XLT_MANAGED_COUNT_MASK	BIT(1)
+#define ADF_GEN4_PM_DCPR_ACTIVE_COUNT_MASK	GENMASK(3, 2)
+#define ADF_GEN4_PM_DCPR_MANAGED_COUNT_MASK	GENMASK(3, 2)
+#define ADF_GEN4_PM_PKE_ACTIVE_COUNT_MASK	GENMASK(8, 4)
+#define ADF_GEN4_PM_PKE_MANAGED_COUNT_MASK	GENMASK(8, 4)
+#define ADF_GEN4_PM_WAT_ACTIVE_COUNT_MASK	GENMASK(13, 9)
+#define ADF_GEN4_PM_WAT_MANAGED_COUNT_MASK	GENMASK(13, 9)
+#define ADF_GEN4_PM_WCP_ACTIVE_COUNT_MASK	GENMASK(18, 14)
+#define ADF_GEN4_PM_WCP_MANAGED_COUNT_MASK	GENMASK(18, 14)
+#define ADF_GEN4_PM_UCS_ACTIVE_COUNT_MASK	GENMASK(20, 19)
+#define ADF_GEN4_PM_UCS_MANAGED_COUNT_MASK	GENMASK(20, 19)
+#define ADF_GEN4_PM_CPH_ACTIVE_COUNT_MASK	GENMASK(24, 21)
+#define ADF_GEN4_PM_CPH_MANAGED_COUNT_MASK	GENMASK(24, 21)
+#define ADF_GEN4_PM_ATH_ACTIVE_COUNT_MASK	GENMASK(28, 25)
+#define ADF_GEN4_PM_ATH_MANAGED_COUNT_MASK	GENMASK(28, 25)
+
+int adf_gen4_enable_pm(struct adf_accel_dev *accel_dev);
+bool adf_gen4_handle_pm_interrupt(struct adf_accel_dev *accel_dev);
+
+#ifdef CONFIG_DEBUG_FS
+void adf_gen4_init_dev_pm_data(struct adf_accel_dev *accel_dev);
+#else
+static inline void adf_gen4_init_dev_pm_data(struct adf_accel_dev *accel_dev)
+{
+}
+#endif /* CONFIG_DEBUG_FS */
+
+#endif

linux-7.2.3/drivers/crypto/intel/qat/qat_common/adf_gen4_pm_debugfs.c

@@ -0,0 +1,199 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright(c) 2023 Intel Corporation */
+#include <linux/dma-mapping.h>
+#include <linux/string_helpers.h>
+
+#include "adf_accel_devices.h"
+#include "adf_admin.h"
+#include "adf_common_drv.h"
+#include "adf_gen4_pm.h"
+#include "adf_pm_dbgfs_utils.h"
+#include "icp_qat_fw_init_admin.h"
+
+#define PM_INFO_REGSET_ENTRY(_reg_, _field_)	\
+	PM_INFO_REGSET_ENTRY_MASK(_reg_, _field_, ADF_GEN4_PM_##_field_##_MASK)
+
+static const struct pm_status_row pm_fuse_rows[] = {
+	PM_INFO_REGSET_ENTRY(fusectl0, ENABLE_PM),
+	PM_INFO_REGSET_ENTRY(fusectl0, ENABLE_PM_IDLE),
+	PM_INFO_REGSET_ENTRY(fusectl0, ENABLE_DEEP_PM_IDLE),
+};
+
+static const struct pm_status_row pm_info_rows[] = {
+	PM_INFO_REGSET_ENTRY(pm.status, CPM_PM_STATE),
+	PM_INFO_REGSET_ENTRY(pm.status, PENDING_WP),
+	PM_INFO_REGSET_ENTRY(pm.status, CURRENT_WP),
+	PM_INFO_REGSET_ENTRY(pm.fw_init, IDLE_ENABLE),
+	PM_INFO_REGSET_ENTRY(pm.fw_init, IDLE_FILTER),
+	PM_INFO_REGSET_ENTRY(pm.main, MIN_PWR_ACK),
+	PM_INFO_REGSET_ENTRY(pm.thread, MIN_PWR_ACK_PENDING),
+	PM_INFO_REGSET_ENTRY(pm.main, THR_VALUE),
+};
+
+static const struct pm_status_row pm_ssm_rows[] = {
+	PM_INFO_REGSET_ENTRY(ssm.pm_enable, SSM_PM_ENABLE),
+	PM_INFO_REGSET_ENTRY32(ssm.active_constraint, ACTIVE_CONSTRAINT),
+	PM_INFO_REGSET_ENTRY(ssm.pm_domain_status, DOMAIN_POWER_GATED),
+	PM_INFO_REGSET_ENTRY(ssm.pm_active_status, ATH_ACTIVE_COUNT),
+	PM_INFO_REGSET_ENTRY(ssm.pm_active_status, CPH_ACTIVE_COUNT),
+	PM_INFO_REGSET_ENTRY(ssm.pm_active_status, PKE_ACTIVE_COUNT),
+	PM_INFO_REGSET_ENTRY(ssm.pm_active_status, CPR_ACTIVE_COUNT),
+	PM_INFO_REGSET_ENTRY(ssm.pm_active_status, DCPR_ACTIVE_COUNT),
+	PM_INFO_REGSET_ENTRY(ssm.pm_active_status, UCS_ACTIVE_COUNT),
+	PM_INFO_REGSET_ENTRY(ssm.pm_active_status, XLT_ACTIVE_COUNT),
+	PM_INFO_REGSET_ENTRY(ssm.pm_active_status, WAT_ACTIVE_COUNT),
+	PM_INFO_REGSET_ENTRY(ssm.pm_active_status, WCP_ACTIVE_COUNT),
+	PM_INFO_REGSET_ENTRY(ssm.pm_managed_status, ATH_MANAGED_COUNT),
+	PM_INFO_REGSET_ENTRY(ssm.pm_managed_status, CPH_MANAGED_COUNT),
+	PM_INFO_REGSET_ENTRY(ssm.pm_managed_status, PKE_MANAGED_COUNT),
+	PM_INFO_REGSET_ENTRY(ssm.pm_managed_status, CPR_MANAGED_COUNT),
+	PM_INFO_REGSET_ENTRY(ssm.pm_managed_status, DCPR_MANAGED_COUNT),
+	PM_INFO_REGSET_ENTRY(ssm.pm_managed_status, UCS_MANAGED_COUNT),
+	PM_INFO_REGSET_ENTRY(ssm.pm_managed_status, XLT_MANAGED_COUNT),
+	PM_INFO_REGSET_ENTRY(ssm.pm_managed_status, WAT_MANAGED_COUNT),
+	PM_INFO_REGSET_ENTRY(ssm.pm_managed_status, WCP_MANAGED_COUNT),
+};
+
+static const struct pm_status_row pm_log_rows[] = {
+	PM_INFO_REGSET_ENTRY32(event_counters.host_msg, HOST_MSG_EVENT_COUNT),
+	PM_INFO_REGSET_ENTRY32(event_counters.sys_pm, SYS_PM_EVENT_COUNT),
+	PM_INFO_REGSET_ENTRY32(event_counters.local_ssm, SSM_EVENT_COUNT),
+	PM_INFO_REGSET_ENTRY32(event_counters.timer, TIMER_EVENT_COUNT),
+	PM_INFO_REGSET_ENTRY32(event_counters.unknown, UNKNOWN_EVENT_COUNT),
+};
+
+static const struct pm_status_row pm_event_rows[ICP_QAT_NUMBER_OF_PM_EVENTS] = {
+	PM_INFO_REGSET_ENTRY32(event_log[0], EVENT0),
+	PM_INFO_REGSET_ENTRY32(event_log[1], EVENT1),
+	PM_INFO_REGSET_ENTRY32(event_log[2], EVENT2),
+	PM_INFO_REGSET_ENTRY32(event_log[3], EVENT3),
+	PM_INFO_REGSET_ENTRY32(event_log[4], EVENT4),
+	PM_INFO_REGSET_ENTRY32(event_log[5], EVENT5),
+	PM_INFO_REGSET_ENTRY32(event_log[6], EVENT6),
+	PM_INFO_REGSET_ENTRY32(event_log[7], EVENT7),
+};
+
+static const struct pm_status_row pm_csrs_rows[] = {
+	PM_INFO_REGSET_ENTRY32(pm.fw_init, CPM_PM_FW_INIT),
+	PM_INFO_REGSET_ENTRY32(pm.status, CPM_PM_STATUS),
+	PM_INFO_REGSET_ENTRY32(pm.main, CPM_PM_MASTER_FW),
+	PM_INFO_REGSET_ENTRY32(pm.pwrreq, CPM_PM_PWRREQ),
+};
+
+static_assert(sizeof(struct icp_qat_fw_init_admin_pm_info) < PAGE_SIZE);
+
+static ssize_t adf_gen4_print_pm_status(struct adf_accel_dev *accel_dev,
+					char __user *buf, size_t count,
+					loff_t *pos)
+{
+	void __iomem *pmisc = adf_get_pmisc_base(accel_dev);
+	struct adf_pm *pm = &accel_dev->power_management;
+	struct icp_qat_fw_init_admin_pm_info *pm_info;
+	dma_addr_t p_state_addr;
+	u32 *pm_info_regs;
+	char *pm_kv;
+	int len = 0;
+	u32 val;
+	int ret;
+
+	pm_info = kmalloc(PAGE_SIZE, GFP_KERNEL);
+	if (!pm_info)
+		return -ENOMEM;
+
+	pm_kv = kmalloc(PAGE_SIZE, GFP_KERNEL);
+	if (!pm_kv) {
+		ret = -ENOMEM;
+		goto out_free;
+	}
+
+	p_state_addr = dma_map_single(&GET_DEV(accel_dev), pm_info, PAGE_SIZE,
+				      DMA_FROM_DEVICE);
+	ret = dma_mapping_error(&GET_DEV(accel_dev), p_state_addr);
+	if (ret)
+		goto out_free;
+
+	/* Query PM info from QAT FW */
+	ret = adf_get_pm_info(accel_dev, p_state_addr, PAGE_SIZE);
+	dma_unmap_single(&GET_DEV(accel_dev), p_state_addr, PAGE_SIZE,
+			 DMA_FROM_DEVICE);
+	if (ret)
+		goto out_free;
+
+	pm_info_regs = (u32 *)pm_info;
+
+	/* Fusectl related */
+	len += scnprintf(&pm_kv[len], PAGE_SIZE - len,
+			 "----------- PM Fuse info ---------\n");
+	len += adf_pm_scnprint_table_lower_keys(&pm_kv[len], pm_fuse_rows,
+						pm_info_regs, PAGE_SIZE - len,
+						ARRAY_SIZE(pm_fuse_rows));
+	len += scnprintf(&pm_kv[len], PAGE_SIZE - len, "max_pwrreq: %#x\n",
+			 pm_info->max_pwrreq);
+	len += scnprintf(&pm_kv[len], PAGE_SIZE - len, "min_pwrreq: %#x\n",
+			 pm_info->min_pwrreq);
+
+	/* PM related */
+	len += scnprintf(&pm_kv[len], PAGE_SIZE - len,
+			 "------------  PM Info ------------\n");
+	len += scnprintf(&pm_kv[len], PAGE_SIZE - len, "power_level: %s\n",
+			 pm_info->pwr_state == PM_SET_MIN ? "min" : "max");
+	len += adf_pm_scnprint_table_lower_keys(&pm_kv[len], pm_info_rows,
+						pm_info_regs, PAGE_SIZE - len,
+						ARRAY_SIZE(pm_info_rows));
+	len += scnprintf(&pm_kv[len], PAGE_SIZE - len, "pm_mode: STATIC\n");
+
+	/* SSM related */
+	len += scnprintf(&pm_kv[len], PAGE_SIZE - len,
+			 "----------- SSM_PM Info ----------\n");
+	len += adf_pm_scnprint_table_lower_keys(&pm_kv[len], pm_ssm_rows,
+						pm_info_regs, PAGE_SIZE - len,
+						ARRAY_SIZE(pm_ssm_rows));
+
+	/* Log related */
+	len += scnprintf(&pm_kv[len], PAGE_SIZE - len,
+			 "------------- PM Log -------------\n");
+	len += adf_pm_scnprint_table_lower_keys(&pm_kv[len], pm_log_rows,
+						pm_info_regs, PAGE_SIZE - len,
+						ARRAY_SIZE(pm_log_rows));
+
+	len += adf_pm_scnprint_table_lower_keys(&pm_kv[len], pm_event_rows,
+						pm_info_regs, PAGE_SIZE - len,
+						ARRAY_SIZE(pm_event_rows));
+
+	len += scnprintf(&pm_kv[len], PAGE_SIZE - len, "idle_irq_count: %#x\n",
+			 pm->idle_irq_counters);
+	len += scnprintf(&pm_kv[len], PAGE_SIZE - len, "fw_irq_count: %#x\n",
+			 pm->fw_irq_counters);
+	len += scnprintf(&pm_kv[len], PAGE_SIZE - len,
+			 "throttle_irq_count: %#x\n", pm->throttle_irq_counters);
+	len += scnprintf(&pm_kv[len], PAGE_SIZE - len, "host_ack_count: %#x\n",
+			 pm->host_ack_counter);
+	len += scnprintf(&pm_kv[len], PAGE_SIZE - len, "host_nack_count: %#x\n",
+			 pm->host_nack_counter);
+
+	/* CSRs content */
+	len += scnprintf(&pm_kv[len], PAGE_SIZE - len,
+			 "----------- HW PM CSRs -----------\n");
+	len += adf_pm_scnprint_table_upper_keys(&pm_kv[len], pm_csrs_rows,
+						pm_info_regs, PAGE_SIZE - len,
+						ARRAY_SIZE(pm_csrs_rows));
+
+	val = ADF_CSR_RD(pmisc, ADF_GEN4_PM_HOST_MSG);
+	len += scnprintf(&pm_kv[len], PAGE_SIZE - len,
+			 "CPM_PM_HOST_MSG: %#x\n", val);
+	val = ADF_CSR_RD(pmisc, ADF_GEN4_PM_INTERRUPT);
+	len += scnprintf(&pm_kv[len], PAGE_SIZE - len,
+			 "CPM_PM_INTERRUPT: %#x\n", val);
+	ret = simple_read_from_buffer(buf, count, pos, pm_kv, len);
+
+out_free:
+	kfree(pm_info);
+	kfree(pm_kv);
+	return ret;
+}
+
+void adf_gen4_init_dev_pm_data(struct adf_accel_dev *accel_dev)
+{
+	accel_dev->power_management.print_pm_status = adf_gen4_print_pm_status;
+	accel_dev->power_management.present = true;
+}