Resguardo inicial

linux-7.2.3/drivers/gpu/drm/amd/ras/Makefile

@@ -0,0 +1,34 @@
+#
+# Copyright (c) 2025 Advanced Micro Devices, Inc. All rights reserved.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+
+ifeq ($(AMD_GPU_RAS_MGR),)
+	AMD_GPU_RAS_MGR := ras_mgr
+endif
+
+subdir-ccflags-y += -I$(AMD_GPU_RAS_FULL_PATH)/rascore
+subdir-ccflags-y += -I$(AMD_GPU_RAS_FULL_PATH)/$(AMD_GPU_RAS_MGR)
+
+RAS_LIBS = $(AMD_GPU_RAS_MGR) rascore
+
+AMD_RAS = $(addsuffix /Makefile, $(addprefix $(AMD_GPU_RAS_FULL_PATH)/,$(RAS_LIBS)))
+
+include $(AMD_RAS)
+

linux-7.2.3/drivers/gpu/drm/amd/ras/ras_mgr/Makefile

@@ -0,0 +1,34 @@
+# Copyright 2025 Advanced Micro Devices, Inc.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+
+RAS_MGR_FILES = amdgpu_ras_sys.o  \
+		amdgpu_ras_mgr.o \
+		amdgpu_ras_eeprom_i2c.o \
+		amdgpu_ras_mp1_v13_0.o \
+		amdgpu_ras_cmd.o \
+		amdgpu_virt_ras_cmd.o \
+		amdgpu_ras_process.o \
+		amdgpu_ras_nbio_v7_9.o
+
+
+RAS_MGR = $(addprefix $(AMD_GPU_RAS_PATH)/ras_mgr/, $(RAS_MGR_FILES))
+
+AMD_GPU_RAS_FILES += $(RAS_MGR)
+

linux-7.2.3/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_cmd.c

@@ -0,0 +1,287 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include <linux/pci.h>
+#include "amdgpu.h"
+#include "amdgpu_ras.h"
+#include "ras_sys.h"
+#include "amdgpu_ras_cmd.h"
+#include "amdgpu_ras_mgr.h"
+#include "amdgpu_virt_ras_cmd.h"
+
+/* inject address is 52 bits */
+#define	RAS_UMC_INJECT_ADDR_LIMIT	(0x1ULL << 52)
+
+#define AMDGPU_RAS_TYPE_RASCORE  0x1
+#define AMDGPU_RAS_TYPE_AMDGPU   0x2
+#define AMDGPU_RAS_TYPE_VF       0x3
+
+static int amdgpu_ras_trigger_error_prepare(struct ras_core_context *ras_core,
+			struct ras_cmd_inject_error_req *block_info)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	int ret;
+
+	if (block_info->block_id == TA_RAS_BLOCK__XGMI_WAFL) {
+		if (amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_DISALLOW))
+			RAS_DEV_WARN(adev, "Failed to disallow df cstate");
+
+		ret = amdgpu_dpm_set_pm_policy(adev, PP_PM_POLICY_XGMI_PLPD, XGMI_PLPD_DISALLOW);
+		if (ret && (ret != -EOPNOTSUPP))
+			RAS_DEV_WARN(adev, "Failed to disallow XGMI power down");
+	}
+
+	return 0;
+}
+
+static int amdgpu_ras_trigger_error_end(struct ras_core_context *ras_core,
+			struct ras_cmd_inject_error_req *block_info)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	int ret;
+
+	if (block_info->block_id == TA_RAS_BLOCK__XGMI_WAFL) {
+		if (amdgpu_ras_intr_triggered())
+			return 0;
+
+		ret = amdgpu_dpm_set_pm_policy(adev, PP_PM_POLICY_XGMI_PLPD, XGMI_PLPD_DEFAULT);
+		if (ret && (ret != -EOPNOTSUPP))
+			RAS_DEV_WARN(adev, "Failed to allow XGMI power down");
+
+		if (amdgpu_dpm_set_df_cstate(adev, DF_CSTATE_ALLOW))
+			RAS_DEV_WARN(adev, "Failed to allow df cstate");
+	}
+
+	return 0;
+}
+
+static uint64_t local_addr_to_xgmi_global_addr(struct ras_core_context *ras_core,
+					   uint64_t addr)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	struct amdgpu_xgmi *xgmi = &adev->gmc.xgmi;
+
+	return (addr + xgmi->physical_node_id * xgmi->node_segment_size);
+}
+
+static int amdgpu_ras_inject_error(struct ras_core_context *ras_core,
+			struct ras_cmd_ctx *cmd, void *data)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	struct ras_cmd_inject_error_req *req =
+		(struct ras_cmd_inject_error_req *)cmd->input_buff_raw;
+	int ret = RAS_CMD__ERROR_GENERIC;
+
+	if (req->block_id == RAS_BLOCK_ID__UMC) {
+		if (amdgpu_ras_mgr_check_retired_addr(adev, req->address)) {
+			RAS_DEV_WARN(ras_core->dev,
+				"RAS WARN: inject: 0x%llx has already been marked as bad!\n",
+				req->address);
+			return RAS_CMD__ERROR_ACCESS_DENIED;
+		}
+
+		if ((req->address >= adev->gmc.mc_vram_size &&
+			adev->gmc.mc_vram_size) ||
+			(req->address >= RAS_UMC_INJECT_ADDR_LIMIT)) {
+			RAS_DEV_WARN(adev, "RAS WARN: input address 0x%llx is invalid.",
+					req->address);
+			return RAS_CMD__ERROR_INVALID_INPUT_DATA;
+		}
+
+		/* Calculate XGMI relative offset */
+		if (adev->gmc.xgmi.num_physical_nodes > 1 &&
+			req->block_id != RAS_BLOCK_ID__GFX) {
+			req->address = local_addr_to_xgmi_global_addr(ras_core, req->address);
+		}
+	}
+
+	amdgpu_ras_trigger_error_prepare(ras_core, req);
+	ret = rascore_handle_cmd(ras_core, cmd, data);
+	amdgpu_ras_trigger_error_end(ras_core, req);
+
+	return ret;
+}
+
+static int amdgpu_ras_get_ras_safe_fb_addr_ranges(struct ras_core_context *ras_core,
+	struct ras_cmd_ctx *cmd, void *data)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	struct ras_cmd_dev_handle *input_data =
+			(struct ras_cmd_dev_handle *)cmd->input_buff_raw;
+	struct ras_cmd_ras_safe_fb_address_ranges_rsp *ranges =
+			(struct ras_cmd_ras_safe_fb_address_ranges_rsp *)cmd->output_buff_raw;
+	struct amdgpu_mem_partition_info *mem_ranges;
+	uint32_t i = 0;
+
+	if ((cmd->input_size != sizeof(*input_data)) ||
+		(cmd->output_buf_size < sizeof(*ranges)))
+		return RAS_CMD__ERROR_INVALID_INPUT_DATA;
+
+	mem_ranges = adev->gmc.mem_partitions;
+	for (i = 0; i < adev->gmc.num_mem_partitions; i++) {
+		ranges->range[i].start = mem_ranges[i].range.fpfn << AMDGPU_GPU_PAGE_SHIFT;
+		ranges->range[i].size = mem_ranges[i].size;
+		ranges->range[i].idx = i;
+	}
+
+	ranges->num_ranges = adev->gmc.num_mem_partitions;
+
+	ranges->version = 0;
+	cmd->output_size = sizeof(struct ras_cmd_ras_safe_fb_address_ranges_rsp);
+
+	return RAS_CMD__SUCCESS;
+}
+
+static int ras_translate_fb_address(struct ras_core_context *ras_core,
+		enum ras_fb_addr_type src_type,
+		enum ras_fb_addr_type dest_type,
+		union ras_translate_fb_address *src_addr,
+		union ras_translate_fb_address *dest_addr)
+{
+	uint64_t soc_phy_addr;
+	int ret = RAS_CMD__SUCCESS;
+
+	/* Does not need to be queued as event as this is a SW translation */
+	switch (src_type) {
+	case RAS_FB_ADDR_SOC_PHY:
+		soc_phy_addr = src_addr->soc_phy_addr;
+		break;
+	case RAS_FB_ADDR_BANK:
+		ret = ras_cmd_translate_bank_to_soc_pa(ras_core,
+					src_addr->bank_addr, &soc_phy_addr);
+		if (ret)
+			return RAS_CMD__ERROR_GENERIC;
+		break;
+	default:
+		return RAS_CMD__ERROR_INVALID_CMD;
+	}
+
+	switch (dest_type) {
+	case RAS_FB_ADDR_SOC_PHY:
+		dest_addr->soc_phy_addr = soc_phy_addr;
+		break;
+	case RAS_FB_ADDR_BANK:
+		ret = ras_cmd_translate_soc_pa_to_bank(ras_core,
+				soc_phy_addr, &dest_addr->bank_addr);
+		if (ret)
+			return RAS_CMD__ERROR_GENERIC;
+		break;
+	default:
+		return RAS_CMD__ERROR_INVALID_CMD;
+	}
+
+	return ret;
+}
+
+static int amdgpu_ras_translate_fb_address(struct ras_core_context *ras_core,
+				struct ras_cmd_ctx *cmd, void *data)
+{
+	struct ras_cmd_translate_fb_address_req *req_buff =
+			(struct ras_cmd_translate_fb_address_req *)cmd->input_buff_raw;
+	struct ras_cmd_translate_fb_address_rsp *rsp_buff =
+			(struct ras_cmd_translate_fb_address_rsp *)cmd->output_buff_raw;
+	int ret = RAS_CMD__ERROR_GENERIC;
+
+	if ((cmd->input_size != sizeof(struct ras_cmd_translate_fb_address_req)) ||
+		(cmd->output_buf_size < sizeof(*rsp_buff)))
+		return RAS_CMD__ERROR_INVALID_INPUT_SIZE;
+
+	if ((req_buff->src_addr_type >= RAS_FB_ADDR_UNKNOWN) ||
+	    (req_buff->dest_addr_type >= RAS_FB_ADDR_UNKNOWN))
+		return RAS_CMD__ERROR_INVALID_INPUT_DATA;
+
+	ret = ras_translate_fb_address(ras_core, req_buff->src_addr_type,
+			req_buff->dest_addr_type, &req_buff->trans_addr, &rsp_buff->trans_addr);
+	if (ret)
+		return RAS_CMD__ERROR_GENERIC;
+
+	rsp_buff->version = 0;
+	cmd->output_size = sizeof(struct ras_cmd_translate_fb_address_rsp);
+
+	return RAS_CMD__SUCCESS;
+}
+
+static struct ras_cmd_func_map amdgpu_ras_cmd_maps[] = {
+	{RAS_CMD__INJECT_ERROR, amdgpu_ras_inject_error},
+	{RAS_CMD__GET_SAFE_FB_ADDRESS_RANGES, amdgpu_ras_get_ras_safe_fb_addr_ranges},
+	{RAS_CMD__TRANSLATE_FB_ADDRESS, amdgpu_ras_translate_fb_address},
+};
+
+int amdgpu_ras_handle_cmd(struct ras_core_context *ras_core, struct ras_cmd_ctx *cmd, void *data)
+{
+	struct ras_cmd_func_map *ras_cmd = NULL;
+	int i, res;
+
+	for (i = 0; i < ARRAY_SIZE(amdgpu_ras_cmd_maps); i++) {
+		if (cmd->cmd_id == amdgpu_ras_cmd_maps[i].cmd_id) {
+			ras_cmd = &amdgpu_ras_cmd_maps[i];
+			break;
+		}
+	}
+
+	if (ras_cmd)
+		res = ras_cmd->func(ras_core, cmd, NULL);
+	else
+		res = RAS_CMD__ERROR_UKNOWN_CMD;
+
+	return res;
+}
+
+int amdgpu_ras_submit_cmd(struct ras_core_context *ras_core, struct ras_cmd_ctx *cmd)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	struct ras_core_context *cmd_core = ras_core;
+	int timeout = 60;
+	int res;
+
+	cmd->cmd_res = RAS_CMD__ERROR_INVALID_CMD;
+	cmd->output_size = 0;
+
+	if (amdgpu_sriov_vf(adev))
+		return amdgpu_virt_ras_handle_cmd(cmd_core, cmd);
+
+	if (!ras_core_is_enabled(cmd_core))
+		return RAS_CMD__ERROR_ACCESS_DENIED;
+
+	while (ras_core_gpu_in_reset(cmd_core)) {
+		msleep(1000);
+		if (!timeout--)
+			return RAS_CMD__ERROR_TIMEOUT;
+	}
+
+	res = amdgpu_ras_handle_cmd(cmd_core, cmd, NULL);
+	if (res == RAS_CMD__ERROR_UKNOWN_CMD)
+		res = rascore_handle_cmd(cmd_core, cmd, NULL);
+
+	cmd->cmd_res = res;
+
+	if (!res && (cmd->output_size > cmd->output_buf_size)) {
+		RAS_DEV_ERR(cmd_core->dev,
+			"Output size 0x%x exceeds output buffer size 0x%x!\n",
+			cmd->output_size, cmd->output_buf_size);
+		return RAS_CMD__SUCCESS_EXEED_BUFFER;
+	}
+
+	return res;
+}

linux-7.2.3/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_cmd.h

@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __AMDGPU_RAS_CMD_H__
+#define __AMDGPU_RAS_CMD_H__
+#include "ras.h"
+
+enum amdgpu_ras_cmd_id {
+	RAS_CMD__AMDGPU_BEGIN = RAS_CMD_ID_AMDGPU_START,
+	RAS_CMD__TRANSLATE_MEMORY_FD,
+	RAS_CMD__AMDGPU_SUPPORTED_MAX = RAS_CMD_ID_AMDGPU_END,
+};
+
+struct ras_cmd_translate_memory_fd_req {
+	struct ras_cmd_dev_handle dev;
+	uint32_t type;
+	uint32_t fd;
+	uint64_t address;
+	uint32_t reserved[4];
+};
+
+struct ras_cmd_translate_memory_fd_rsp {
+	uint32_t version;
+	uint32_t padding;
+	uint64_t start;
+	uint64_t size;
+	uint32_t reserved[2];
+};
+
+int amdgpu_ras_handle_cmd(struct ras_core_context *ras_core,
+		struct ras_cmd_ctx *cmd, void *data);
+int amdgpu_ras_submit_cmd(struct ras_core_context *ras_core, struct ras_cmd_ctx *cmd);
+
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_eeprom_i2c.c

@@ -0,0 +1,182 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright (c) 2025 Advanced Micro Devices, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "amdgpu.h"
+#include "amdgpu_atomfirmware.h"
+#include "amdgpu_ras_eeprom.h"
+#include "amdgpu_ras_mgr.h"
+#include "amdgpu_ras_eeprom_i2c.h"
+#include "ras_eeprom.h"
+
+/* These are memory addresses as would be seen by one or more EEPROM
+ * chips strung on the I2C bus, usually by manipulating pins 1-3 of a
+ * set of EEPROM devices. They form a continuous memory space.
+ *
+ * The I2C device address includes the device type identifier, 1010b,
+ * which is a reserved value and indicates that this is an I2C EEPROM
+ * device. It also includes the top 3 bits of the 19 bit EEPROM memory
+ * address, namely bits 18, 17, and 16. This makes up the 7 bit
+ * address sent on the I2C bus with bit 0 being the direction bit,
+ * which is not represented here, and sent by the hardware directly.
+ *
+ * For instance,
+ *   50h = 1010000b => device type identifier 1010b, bits 18:16 = 000b, address 0.
+ *   54h = 1010100b => --"--, bits 18:16 = 100b, address 40000h.
+ *   56h = 1010110b => --"--, bits 18:16 = 110b, address 60000h.
+ * Depending on the size of the I2C EEPROM device(s), bits 18:16 may
+ * address memory in a device or a device on the I2C bus, depending on
+ * the status of pins 1-3. See top of amdgpu_eeprom.c.
+ *
+ * The RAS table lives either at address 0 or address 40000h of EEPROM.
+ */
+#define EEPROM_I2C_MADDR_0      0x0
+#define EEPROM_I2C_MADDR_4      0x40000
+
+#define MAKE_I2C_ADDR(_aa) ((0xA << 3) | (((_aa) >> 16) & 0xF))
+#define to_amdgpu_ras(x) (container_of(x, struct amdgpu_ras, eeprom_control))
+
+#define EEPROM_PAGE_BITS   8
+#define EEPROM_PAGE_SIZE   (1U << EEPROM_PAGE_BITS)
+#define EEPROM_PAGE_MASK   (EEPROM_PAGE_SIZE - 1)
+
+#define EEPROM_OFFSET_SIZE 2
+
+static int ras_eeprom_i2c_config(struct ras_core_context *ras_core)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	struct ras_eeprom_control *control = &ras_core->ras_eeprom;
+	u8 i2c_addr;
+
+	if (amdgpu_atomfirmware_ras_rom_addr(adev, &i2c_addr)) {
+		/* The address given by VBIOS is an 8-bit, wire-format
+		 * address, i.e. the most significant byte.
+		 *
+		 * Normalize it to a 19-bit EEPROM address. Remove the
+		 * device type identifier and make it a 7-bit address;
+		 * then make it a 19-bit EEPROM address. See top of
+		 * amdgpu_eeprom.c.
+		 */
+		i2c_addr = (i2c_addr & 0x0F) >> 1;
+		control->i2c_address = ((u32) i2c_addr) << 16;
+		return 0;
+	}
+
+	switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
+	case IP_VERSION(13, 0, 5):
+	case IP_VERSION(13, 0, 6):
+	case IP_VERSION(13, 0, 10):
+	case IP_VERSION(13, 0, 12):
+	case IP_VERSION(13, 0, 14):
+		control->i2c_address = EEPROM_I2C_MADDR_4;
+		return 0;
+	default:
+		return -ENODATA;
+	}
+	return -ENODATA;
+}
+
+static int ras_eeprom_i2c_xfer(struct ras_core_context *ras_core, u32 eeprom_addr,
+				u8 *eeprom_buf, u32 buf_size, bool read)
+{
+	struct i2c_adapter *i2c_adap = ras_core->ras_eeprom.i2c_adapter;
+	u8 eeprom_offset_buf[EEPROM_OFFSET_SIZE];
+	struct i2c_msg msgs[] = {
+		{
+			.flags = 0,
+			.len = EEPROM_OFFSET_SIZE,
+			.buf = eeprom_offset_buf,
+		},
+		{
+			.flags = read ? I2C_M_RD : 0,
+		},
+	};
+	const u8 *p = eeprom_buf;
+	int r;
+	u16 len;
+
+	for (r = 0; buf_size > 0;
+	      buf_size -= len, eeprom_addr += len, eeprom_buf += len) {
+		/* Set the EEPROM address we want to write to/read from.
+		 */
+		msgs[0].addr = MAKE_I2C_ADDR(eeprom_addr);
+		msgs[1].addr = msgs[0].addr;
+		msgs[0].buf[0] = (eeprom_addr >> 8) & 0xff;
+		msgs[0].buf[1] = eeprom_addr & 0xff;
+
+		if (!read) {
+			/* Write the maximum amount of data, without
+			 * crossing the device's page boundary, as per
+			 * its spec. Partial page writes are allowed,
+			 * starting at any location within the page,
+			 * so long as the page boundary isn't crossed
+			 * over (actually the page pointer rolls
+			 * over).
+			 *
+			 * As per the AT24CM02 EEPROM spec, after
+			 * writing into a page, the I2C driver should
+			 * terminate the transfer, i.e. in
+			 * "i2c_transfer()" below, with a STOP
+			 * condition, so that the self-timed write
+			 * cycle begins. This is implied for the
+			 * "i2c_transfer()" abstraction.
+			 */
+			len = min(EEPROM_PAGE_SIZE - (eeprom_addr & EEPROM_PAGE_MASK),
+					buf_size);
+		} else {
+			/* Reading from the EEPROM has no limitation
+			 * on the number of bytes read from the EEPROM
+			 * device--they are simply sequenced out.
+			 * Keep in mind that i2c_msg.len is u16 type.
+			 */
+			len = min(U16_MAX, buf_size);
+		}
+		msgs[1].len = len;
+		msgs[1].buf = eeprom_buf;
+
+
+		/* This constitutes a START-STOP transaction.
+		 */
+		r = i2c_transfer(i2c_adap, msgs, ARRAY_SIZE(msgs));
+		if (r != ARRAY_SIZE(msgs))
+			break;
+
+		if (!read) {
+			/* According to EEPROM specs the length of the
+			 * self-writing cycle, tWR (tW), is 10 ms.
+			 *
+			 * TODO: Use polling on ACK, aka Acknowledge
+			 * Polling, to minimize waiting for the
+			 * internal write cycle to complete, as it is
+			 * usually smaller than tWR (tW).
+			 */
+			msleep(10);
+		}
+	}
+
+	return r < 0 ? r : eeprom_buf - p;
+}
+
+const struct ras_eeprom_sys_func amdgpu_ras_eeprom_i2c_sys_func = {
+	.eeprom_i2c_xfer = ras_eeprom_i2c_xfer,
+	.update_eeprom_i2c_config = ras_eeprom_i2c_config,
+};

linux-7.2.3/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_eeprom_i2c.h

@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright (C) 2025  Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef __AMDGPU_RAS_EEPROM_I2C_H__
+#define __AMDGPU_RAS_EEPROM_I2C_H__
+#include "ras.h"
+
+extern const struct ras_eeprom_sys_func amdgpu_ras_eeprom_i2c_sys_func;
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_mgr.c

@@ -0,0 +1,735 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "amdgpu.h"
+#include "amdgpu_reset.h"
+#include "amdgpu_xgmi.h"
+#include "ras_sys.h"
+#include "amdgpu_ras_mgr.h"
+#include "amdgpu_ras_cmd.h"
+#include "amdgpu_virt_ras_cmd.h"
+#include "amdgpu_ras_process.h"
+#include "amdgpu_ras_eeprom_i2c.h"
+#include "amdgpu_ras_mp1_v13_0.h"
+#include "amdgpu_ras_nbio_v7_9.h"
+
+#define MAX_SOCKET_NUM_PER_HIVE		8
+#define MAX_AID_NUM_PER_SOCKET		4
+#define MAX_XCD_NUM_PER_AID			2
+
+/* typical ECC bad page rate is 1 bad page per 100MB VRAM */
+#define TYPICAL_ECC_BAD_PAGE_RATE (100ULL * SZ_1M)
+
+#define COUNT_BAD_PAGE_THRESHOLD(size) (((size) >> 21) << 4)
+
+/* Reserve 8 physical dram row for possible retirement.
+ * In worst cases, it will lose 8 * 2MB memory in vram domain
+ */
+#define RAS_RESERVED_VRAM_SIZE_DEFAULT	(16ULL << 20)
+
+
+static void ras_mgr_init_event_mgr(struct ras_event_manager *mgr)
+{
+	struct ras_event_state *event_state;
+	int i;
+
+	memset(mgr, 0, sizeof(*mgr));
+	atomic64_set(&mgr->seqno, 0);
+
+	for (i = 0; i < ARRAY_SIZE(mgr->event_state); i++) {
+		event_state = &mgr->event_state[i];
+		event_state->last_seqno = RAS_EVENT_INVALID_ID;
+		atomic64_set(&event_state->count, 0);
+	}
+}
+
+static void amdgpu_ras_mgr_init_event_mgr(struct ras_core_context *ras_core)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+	struct ras_event_manager *event_mgr;
+	struct amdgpu_hive_info *hive;
+
+	hive = amdgpu_get_xgmi_hive(adev);
+	event_mgr = hive ? &hive->event_mgr : &ras_mgr->ras_event_mgr;
+
+	/* init event manager with node 0 on xgmi system */
+	if (!amdgpu_reset_in_recovery(adev)) {
+		if (!hive || adev->gmc.xgmi.node_id == 0)
+			ras_mgr_init_event_mgr(event_mgr);
+	}
+
+	if (hive)
+		amdgpu_put_xgmi_hive(hive);
+}
+
+static int amdgpu_ras_mgr_init_aca_config(struct amdgpu_device *adev,
+		struct ras_core_config *config)
+{
+	struct ras_aca_config *aca_cfg = &config->aca_cfg;
+
+	aca_cfg->socket_num_per_hive = MAX_SOCKET_NUM_PER_HIVE;
+	aca_cfg->aid_num_per_socket = MAX_AID_NUM_PER_SOCKET;
+	aca_cfg->xcd_num_per_aid = MAX_XCD_NUM_PER_AID;
+
+	return 0;
+}
+
+static int amdgpu_ras_mgr_init_eeprom_config(struct amdgpu_device *adev,
+		struct ras_core_config *config)
+{
+	struct ras_eeprom_config *eeprom_cfg = &config->eeprom_cfg;
+
+	eeprom_cfg->eeprom_sys_fn = &amdgpu_ras_eeprom_i2c_sys_func;
+	eeprom_cfg->eeprom_i2c_adapter = adev->pm.ras_eeprom_i2c_bus;
+	if (eeprom_cfg->eeprom_i2c_adapter) {
+		const struct i2c_adapter_quirks *quirks =
+			((struct i2c_adapter *)eeprom_cfg->eeprom_i2c_adapter)->quirks;
+
+		if (quirks) {
+			eeprom_cfg->max_i2c_read_len = quirks->max_read_len;
+			eeprom_cfg->max_i2c_write_len = quirks->max_write_len;
+		}
+	}
+
+	/*
+	 * amdgpu_bad_page_threshold is used to config
+	 * the threshold for the number of bad pages.
+	 * -1:  Threshold is set to default value
+	 *      Driver will issue a warning message when threshold is reached
+	 *      and continue runtime services.
+	 * 0:   Disable bad page retirement
+	 *      Driver will not retire bad pages
+	 *      which is intended for debugging purpose.
+	 * -2:  Threshold is determined by a formula
+	 *      that assumes 1 bad page per 100M of local memory.
+	 *      Driver will continue runtime services when threhold is reached.
+	 * 0 < threshold < max number of bad page records in EEPROM,
+	 *      A user-defined threshold is set
+	 *      Driver will halt runtime services when this custom threshold is reached.
+	 */
+	if (amdgpu_bad_page_threshold == NONSTOP_OVER_THRESHOLD)
+		eeprom_cfg->eeprom_record_threshold_count =
+			div64_u64(adev->gmc.mc_vram_size, TYPICAL_ECC_BAD_PAGE_RATE);
+	else if (amdgpu_bad_page_threshold == WARN_NONSTOP_OVER_THRESHOLD)
+		eeprom_cfg->eeprom_record_threshold_count =
+				COUNT_BAD_PAGE_THRESHOLD(RAS_RESERVED_VRAM_SIZE_DEFAULT);
+	else
+		eeprom_cfg->eeprom_record_threshold_count = amdgpu_bad_page_threshold;
+
+	eeprom_cfg->eeprom_record_threshold_config = amdgpu_bad_page_threshold;
+
+	return 0;
+}
+
+static int amdgpu_ras_mgr_init_mp1_config(struct amdgpu_device *adev,
+		struct ras_core_config *config)
+{
+	struct ras_mp1_config *mp1_cfg = &config->mp1_cfg;
+	int ret = 0;
+
+	switch (config->mp1_ip_version) {
+	case IP_VERSION(13, 0, 6):
+	case IP_VERSION(13, 0, 14):
+	case IP_VERSION(13, 0, 12):
+		mp1_cfg->mp1_sys_fn = &amdgpu_ras_mp1_sys_func_v13_0;
+		break;
+	default:
+		RAS_DEV_ERR(adev,
+			"The mp1(0x%x) ras config is not right!\n",
+			config->mp1_ip_version);
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static int amdgpu_ras_mgr_init_nbio_config(struct amdgpu_device *adev,
+		struct ras_core_config *config)
+{
+	struct ras_nbio_config *nbio_cfg = &config->nbio_cfg;
+	int ret = 0;
+
+	switch (config->nbio_ip_version) {
+	case IP_VERSION(7, 9, 0):
+	case IP_VERSION(7, 9, 1):
+		nbio_cfg->nbio_sys_fn = &amdgpu_ras_nbio_sys_func_v7_9;
+		break;
+	default:
+		RAS_DEV_ERR(adev,
+			"The nbio(0x%x) ras config is not right!\n",
+			config->nbio_ip_version);
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static int amdgpu_ras_mgr_get_ras_psp_system_status(struct ras_core_context *ras_core,
+			struct ras_psp_sys_status *status)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	struct ta_context *context = &adev->psp.ras_context.context;
+
+	status->initialized = context->initialized;
+	status->session_id = context->session_id;
+	status->psp_cmd_mutex = &adev->psp.mutex;
+
+	return 0;
+}
+
+static int amdgpu_ras_mgr_get_ras_ta_init_param(struct ras_core_context *ras_core,
+	struct ras_ta_init_param *ras_ta_param)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	uint32_t nps_mode;
+
+	if (amdgpu_ras_is_poison_mode_supported(adev))
+		ras_ta_param->poison_mode_en = 1;
+
+	if (!adev->gmc.xgmi.connected_to_cpu && !adev->gmc.is_app_apu)
+		ras_ta_param->dgpu_mode = 1;
+
+	ras_ta_param->xcc_mask = adev->gfx.xcc_mask;
+	ras_ta_param->channel_dis_num = hweight32(adev->gmc.m_half_use) * 2;
+
+	ras_ta_param->active_umc_mask = adev->umc.active_mask;
+	ras_ta_param->vram_type = (uint8_t)adev->gmc.vram_type;
+
+	if (!amdgpu_ras_mgr_get_curr_nps_mode(adev, &nps_mode))
+		ras_ta_param->nps_mode = nps_mode;
+
+	return 0;
+}
+
+const struct ras_psp_sys_func amdgpu_ras_psp_sys_func = {
+	.get_ras_psp_system_status = amdgpu_ras_mgr_get_ras_psp_system_status,
+	.get_ras_ta_init_param = amdgpu_ras_mgr_get_ras_ta_init_param,
+};
+
+static int amdgpu_ras_mgr_init_psp_config(struct amdgpu_device *adev,
+	struct ras_core_config *config)
+{
+	struct ras_psp_config *psp_cfg = &config->psp_cfg;
+
+	psp_cfg->psp_sys_fn = &amdgpu_ras_psp_sys_func;
+
+	return 0;
+}
+
+static int amdgpu_ras_mgr_init_umc_config(struct amdgpu_device *adev,
+	struct ras_core_config *config)
+{
+	struct ras_umc_config *umc_cfg = &config->umc_cfg;
+
+	umc_cfg->umc_vram_type = adev->gmc.vram_type;
+
+	return 0;
+}
+
+static struct ras_core_context *amdgpu_ras_mgr_create_ras_core(struct amdgpu_device *adev)
+{
+	struct ras_core_config init_config;
+
+	memset(&init_config, 0, sizeof(init_config));
+
+	init_config.umc_ip_version = amdgpu_ip_version(adev, UMC_HWIP, 0);
+	init_config.mp1_ip_version = amdgpu_ip_version(adev, MP1_HWIP, 0);
+	init_config.gfx_ip_version = amdgpu_ip_version(adev, GC_HWIP, 0);
+	init_config.nbio_ip_version = amdgpu_ip_version(adev, NBIO_HWIP, 0);
+	init_config.psp_ip_version = amdgpu_ip_version(adev, MP1_HWIP, 0);
+
+	if (init_config.umc_ip_version == IP_VERSION(12, 0, 0) ||
+	    init_config.umc_ip_version == IP_VERSION(12, 5, 0))
+		init_config.aca_ip_version = IP_VERSION(1, 0, 0);
+
+	init_config.sys_fn = &amdgpu_ras_sys_fn;
+	init_config.ras_eeprom_supported = true;
+	init_config.poison_supported =
+		amdgpu_ras_is_poison_mode_supported(adev);
+
+	amdgpu_ras_mgr_init_aca_config(adev, &init_config);
+	amdgpu_ras_mgr_init_eeprom_config(adev, &init_config);
+	amdgpu_ras_mgr_init_mp1_config(adev, &init_config);
+	amdgpu_ras_mgr_init_nbio_config(adev, &init_config);
+	amdgpu_ras_mgr_init_psp_config(adev, &init_config);
+	amdgpu_ras_mgr_init_umc_config(adev, &init_config);
+
+	return ras_core_create(&init_config);
+}
+
+static int amdgpu_ras_mgr_sw_init(struct amdgpu_ip_block *ip_block)
+{
+	struct amdgpu_device *adev = ip_block->adev;
+	struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
+	struct amdgpu_ras_mgr *ras_mgr;
+	int ret = 0;
+
+	/* Disabled by default */
+	con->uniras_enabled = false;
+
+	if (amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 14) ||
+	    amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 12) ||
+	    amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 6) ||
+	    adev->debug_enable_ras_aca)
+		con->uniras_enabled = true;
+	else
+		return 0;
+
+	ras_mgr = kzalloc_obj(*ras_mgr);
+	if (!ras_mgr)
+		return -EINVAL;
+
+	con->ras_mgr = ras_mgr;
+	ras_mgr->adev = adev;
+
+	ras_mgr->ras_core = amdgpu_ras_mgr_create_ras_core(adev);
+	if (!ras_mgr->ras_core) {
+		RAS_DEV_ERR(adev, "Failed to create ras core!\n");
+		ret = -EINVAL;
+		goto err1;
+	}
+
+	ras_mgr->ras_core->dev = adev;
+
+	amdgpu_ras_process_init(adev);
+	ret = ras_core_sw_init(ras_mgr->ras_core);
+	if (ret) {
+		RAS_DEV_ERR(adev, "ras_core_sw_init failed! ret:%d\n", ret);
+		goto err2;
+	}
+	amdgpu_ras_mgr_init_event_mgr(ras_mgr->ras_core);
+
+	if (amdgpu_sriov_vf(adev)) {
+		ret = amdgpu_virt_ras_sw_init(adev);
+		if (ret) {
+			RAS_DEV_ERR(adev,
+				"Virt ras sw_init failed! ret:%d\n", ret);
+			goto err3;
+		}
+	}
+
+	return 0;
+
+err3:
+	if (ras_mgr->ras_core)
+		ras_core_sw_fini(ras_mgr->ras_core);
+err2:
+	amdgpu_ras_process_fini(adev);
+	if (ras_mgr->ras_core)
+		ras_core_destroy(ras_mgr->ras_core);
+err1:
+	kfree(ras_mgr);
+	con->ras_mgr = NULL;
+	return ret;
+}
+
+static int amdgpu_ras_mgr_sw_fini(struct amdgpu_ip_block *ip_block)
+{
+	struct amdgpu_device *adev = ip_block->adev;
+	struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
+	struct amdgpu_ras_mgr *ras_mgr = (struct amdgpu_ras_mgr *)con->ras_mgr;
+
+	if (!con->uniras_enabled)
+		return 0;
+
+	if (!ras_mgr)
+		return 0;
+
+	if (amdgpu_sriov_vf(adev))
+		amdgpu_virt_ras_sw_fini(adev);
+
+	amdgpu_ras_process_fini(adev);
+	ras_core_sw_fini(ras_mgr->ras_core);
+	ras_core_destroy(ras_mgr->ras_core);
+	ras_mgr->ras_core = NULL;
+
+	kfree(con->ras_mgr);
+	con->ras_mgr = NULL;
+
+	return 0;
+}
+
+static int amdgpu_ras_mgr_hw_init(struct amdgpu_ip_block *ip_block)
+{
+	struct amdgpu_device *adev = ip_block->adev;
+	struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+	int ret;
+
+	if (!con->uniras_enabled)
+		return 0;
+
+	if (!ras_mgr || !ras_mgr->ras_core)
+		return -EINVAL;
+
+	if (amdgpu_sriov_vf(adev))
+		ret = amdgpu_virt_ras_hw_init(adev);
+	else
+		ret = ras_core_hw_init(ras_mgr->ras_core);
+
+	if (ret) {
+		RAS_DEV_ERR(adev, "Failed to initialize hw_init!, ret:%d\n", ret);
+		return ret;
+	}
+
+	ras_mgr->ras_is_ready = true;
+
+	amdgpu_enable_uniras(adev, true);
+
+	RAS_DEV_INFO(adev, "AMDGPU RAS Is Ready.\n");
+	return 0;
+}
+
+static int amdgpu_ras_mgr_hw_fini(struct amdgpu_ip_block *ip_block)
+{
+	struct amdgpu_device *adev = ip_block->adev;
+	struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+
+	if (!con->uniras_enabled)
+		return 0;
+
+	if (!ras_mgr || !ras_mgr->ras_core)
+		return -EINVAL;
+
+	if (amdgpu_sriov_vf(adev))
+		amdgpu_virt_ras_hw_fini(adev);
+	else
+		ras_core_hw_fini(ras_mgr->ras_core);
+
+	ras_mgr->ras_is_ready = false;
+
+	return 0;
+}
+
+struct amdgpu_ras_mgr *amdgpu_ras_mgr_get_context(struct amdgpu_device *adev)
+{
+	if (!adev || !adev->psp.ras_context.ras)
+		return NULL;
+
+	return (struct amdgpu_ras_mgr *)adev->psp.ras_context.ras->ras_mgr;
+}
+
+static const struct amd_ip_funcs __maybe_unused ras_v1_0_ip_funcs = {
+	.name = "ras_v1_0",
+	.sw_init = amdgpu_ras_mgr_sw_init,
+	.sw_fini = amdgpu_ras_mgr_sw_fini,
+	.hw_init = amdgpu_ras_mgr_hw_init,
+	.hw_fini = amdgpu_ras_mgr_hw_fini,
+};
+
+const struct amdgpu_ip_block_version ras_v1_0_ip_block = {
+	.type = AMD_IP_BLOCK_TYPE_RAS,
+	.major = 1,
+	.minor = 0,
+	.rev = 0,
+	.funcs = &ras_v1_0_ip_funcs,
+};
+
+int amdgpu_enable_uniras(struct amdgpu_device *adev, bool enable)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+
+	if (!ras_mgr || !ras_mgr->ras_core)
+		return -EPERM;
+
+	RAS_DEV_INFO(adev, "Enable amdgpu unified ras!");
+	return ras_core_set_status(ras_mgr->ras_core, enable);
+}
+
+bool amdgpu_uniras_enabled(struct amdgpu_device *adev)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+
+	if (amdgpu_sriov_vf(adev))
+		return amdgpu_virt_ras_remote_uniras_enabled(adev);
+
+	if (!ras_mgr || !ras_mgr->ras_core)
+		return false;
+
+	return ras_core_is_enabled(ras_mgr->ras_core);
+}
+
+static bool amdgpu_ras_mgr_is_ready(struct amdgpu_device *adev)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+
+	if (ras_mgr && ras_mgr->ras_core && ras_mgr->ras_is_ready &&
+	    ras_core_is_ready(ras_mgr->ras_core))
+		return true;
+
+	return false;
+}
+
+int amdgpu_ras_mgr_handle_fatal_interrupt(struct amdgpu_device *adev, void *data)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+
+	if (!amdgpu_ras_mgr_is_ready(adev))
+		return -EPERM;
+
+	return ras_core_handle_nbio_irq(ras_mgr->ras_core, data);
+}
+
+uint64_t amdgpu_ras_mgr_gen_ras_event_seqno(struct amdgpu_device *adev,
+			enum ras_seqno_type seqno_type)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+	int ret;
+	uint64_t seq_no;
+
+	if (!amdgpu_ras_mgr_is_ready(adev) ||
+	    (seqno_type >= RAS_SEQNO_TYPE_COUNT_MAX))
+		return 0;
+
+	seq_no = ras_core_gen_seqno(ras_mgr->ras_core, seqno_type);
+
+	if ((seqno_type == RAS_SEQNO_TYPE_DE) ||
+	    (seqno_type == RAS_SEQNO_TYPE_POISON_CONSUMPTION)) {
+		ret = ras_core_put_seqno(ras_mgr->ras_core, seqno_type, seq_no);
+		if (ret) {
+			RAS_DEV_WARN(adev, "There are too many ras interrupts!");
+			return 0;
+		}
+	}
+
+	return seq_no;
+}
+
+int amdgpu_ras_mgr_handle_controller_interrupt(struct amdgpu_device *adev, void *data)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+	struct ras_ih_info *ih_info = (struct ras_ih_info *)data;
+	uint64_t seq_no = 0;
+	int ret = 0;
+
+	if (!amdgpu_ras_mgr_is_ready(adev))
+		return -EPERM;
+
+	if (ih_info && (ih_info->block == AMDGPU_RAS_BLOCK__UMC)) {
+		if (ras_mgr->ras_core->poison_supported) {
+			seq_no = amdgpu_ras_mgr_gen_ras_event_seqno(adev, RAS_SEQNO_TYPE_DE);
+			RAS_DEV_INFO(adev,
+				"{%llu} RAS poison is created, no user action is needed.\n",
+				seq_no);
+		}
+
+		ret = amdgpu_ras_process_handle_umc_interrupt(adev, ih_info);
+	} else if (ras_mgr->ras_core->poison_supported) {
+		ret = amdgpu_ras_process_handle_unexpected_interrupt(adev, ih_info);
+	} else {
+		RAS_DEV_WARN(adev,
+			"No RAS interrupt handler for non-UMC block with poison disabled.\n");
+	}
+
+	return ret;
+}
+
+int amdgpu_ras_mgr_dispatch_interrupt(struct amdgpu_device *adev, struct ras_ih_info *ih_info)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+	uint64_t seq_no = 0;
+	int ret = 0;
+
+	if (!amdgpu_ras_mgr_is_ready(adev))
+		return -EPERM;
+
+	if (!ih_info)
+		return 0;
+
+	if (ih_info->block == RAS_BLOCK_ID__UMC) {
+		if (ras_mgr->ras_core->poison_supported) {
+			seq_no = amdgpu_ras_mgr_gen_ras_event_seqno(adev, RAS_SEQNO_TYPE_DE);
+			RAS_DEV_INFO(adev,
+				"{%llu} RAS poison is created, no user action is needed.\n",
+				seq_no);
+		}
+
+		ret = amdgpu_ras_process_handle_umc_interrupt(adev, ih_info);
+	} else if (ras_mgr->ras_core->poison_supported) {
+		ret = amdgpu_ras_process_handle_consumption_interrupt(adev, ih_info);
+	} else {
+		RAS_DEV_WARN(adev,
+			"No RAS interrupt handler for non-UMC block with poison disabled.\n");
+	}
+
+	return ret;
+}
+
+int amdgpu_ras_mgr_handle_consumer_interrupt(struct amdgpu_device *adev, void *data)
+{
+	if (!amdgpu_ras_mgr_is_ready(adev))
+		return -EPERM;
+
+	return amdgpu_ras_process_handle_consumption_interrupt(adev, data);
+}
+
+int amdgpu_ras_mgr_update_ras_ecc(struct amdgpu_device *adev)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+
+	if (!amdgpu_ras_mgr_is_ready(adev))
+		return -EPERM;
+
+	return ras_core_update_ecc_info(ras_mgr->ras_core);
+}
+
+int amdgpu_ras_mgr_reset_gpu(struct amdgpu_device *adev, uint32_t flags)
+{
+	struct amdgpu_ras *con = amdgpu_ras_get_context(adev);
+
+	if (!amdgpu_ras_mgr_is_ready(adev))
+		return -EPERM;
+
+	con->gpu_reset_flags |= flags;
+	return amdgpu_ras_reset_gpu(adev);
+}
+
+bool amdgpu_ras_mgr_check_eeprom_safety_watermark(struct amdgpu_device *adev)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+
+	if (!amdgpu_ras_mgr_is_ready(adev))
+		return false;
+
+	if (ras_fw_eeprom_supported(ras_mgr->ras_core))
+		return ras_fw_eeprom_check_safety_watermark(ras_mgr->ras_core);
+
+	return ras_eeprom_check_safety_watermark(ras_mgr->ras_core);
+}
+
+int amdgpu_ras_mgr_get_curr_nps_mode(struct amdgpu_device *adev,
+	uint32_t *nps_mode)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+	uint32_t mode;
+
+	if (!amdgpu_ras_mgr_is_ready(adev))
+		return -EINVAL;
+
+	mode = ras_core_get_curr_nps_mode(ras_mgr->ras_core);
+	if (!mode || mode > AMDGPU_NPS8_PARTITION_MODE)
+		return -EINVAL;
+
+	*nps_mode = mode;
+
+	return 0;
+}
+
+bool amdgpu_ras_mgr_check_retired_addr(struct amdgpu_device *adev,
+			uint64_t addr)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+
+	if (!amdgpu_ras_mgr_is_ready(adev))
+		return false;
+
+	return ras_umc_check_retired_addr(ras_mgr->ras_core, addr);
+}
+
+bool amdgpu_ras_mgr_is_rma(struct amdgpu_device *adev)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+
+	if (!ras_mgr || !ras_mgr->ras_core || !ras_mgr->ras_is_ready)
+		return false;
+
+	return ras_core_gpu_is_rma(ras_mgr->ras_core);
+}
+
+int amdgpu_ras_mgr_handle_ras_cmd(struct amdgpu_device *adev,
+			uint32_t cmd_id, void *input, uint32_t input_size,
+			void *output, uint32_t out_size)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+	struct ras_cmd_ctx *cmd_ctx;
+	uint32_t ctx_buf_size = PAGE_SIZE;
+	int ret;
+
+	if (!amdgpu_sriov_vf(adev) && !amdgpu_ras_mgr_is_ready(adev))
+		return -EPERM;
+
+	cmd_ctx = kzalloc(ctx_buf_size, GFP_KERNEL);
+	if (!cmd_ctx)
+		return -ENOMEM;
+
+	cmd_ctx->cmd_id = cmd_id;
+
+	memcpy(cmd_ctx->input_buff_raw, input, input_size);
+	cmd_ctx->input_size = input_size;
+	cmd_ctx->output_buf_size = ctx_buf_size - sizeof(*cmd_ctx);
+
+	ret = amdgpu_ras_submit_cmd(ras_mgr->ras_core, cmd_ctx);
+	if (!ret && !cmd_ctx->cmd_res && output && (out_size == cmd_ctx->output_size))
+		memcpy(output, cmd_ctx->output_buff_raw, cmd_ctx->output_size);
+
+	kfree(cmd_ctx);
+
+	return ret;
+}
+
+int amdgpu_ras_mgr_pre_reset(struct amdgpu_device *adev)
+{
+	if (amdgpu_sriov_vf(adev))
+		return amdgpu_virt_ras_pre_reset(adev);
+
+	if (!amdgpu_ras_mgr_is_ready(adev)) {
+		RAS_DEV_ERR(adev, "Invalid ras suspend!\n");
+		return -EPERM;
+	}
+
+	amdgpu_ras_process_pre_reset(adev);
+	return 0;
+}
+
+int amdgpu_ras_mgr_post_reset(struct amdgpu_device *adev)
+{
+	if (amdgpu_sriov_vf(adev))
+		return amdgpu_virt_ras_post_reset(adev);
+
+	if (!amdgpu_ras_mgr_is_ready(adev)) {
+		RAS_DEV_ERR(adev, "Invalid ras resume!\n");
+		return -EPERM;
+	}
+
+	amdgpu_ras_process_post_reset(adev);
+	return 0;
+}
+
+int amdgpu_ras_mgr_lookup_bad_pages_in_a_row(struct amdgpu_device *adev,
+		uint64_t addr, uint64_t *nps_page_addr, uint32_t max_page_count)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+
+	if (!amdgpu_ras_mgr_is_ready(adev))
+		return -EPERM;
+
+	if (!nps_page_addr || !max_page_count)
+		return -EINVAL;
+
+	return ras_core_convert_soc_pa_to_cur_nps_pages(ras_mgr->ras_core,
+			addr, nps_page_addr, max_page_count);
+}

linux-7.2.3/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_mgr.h

@@ -0,0 +1,87 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright (c) 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef __AMDGPU_RAS_MGR_H__
+#define __AMDGPU_RAS_MGR_H__
+#include "ras.h"
+#include "amdgpu_ras_process.h"
+
+enum ras_ih_type {
+	RAS_IH_NONE,
+	RAS_IH_FROM_BLOCK_CONTROLLER,
+	RAS_IH_FROM_CONSUMER_CLIENT,
+	RAS_IH_FROM_FATAL_ERROR,
+};
+
+struct ras_ih_info {
+	uint32_t block;
+	union {
+		struct amdgpu_iv_entry iv_entry;
+		struct {
+			uint16_t pasid;
+			uint32_t reset;
+			pasid_notify pasid_fn;
+			void *data;
+		};
+	};
+};
+
+struct amdgpu_ras_mgr {
+	struct amdgpu_device *adev;
+	struct ras_core_context *ras_core;
+	struct delayed_work retire_page_dwork;
+	struct ras_event_manager ras_event_mgr;
+	void *virt_ras_cmd;
+	uint64_t last_poison_consumption_seqno;
+	bool ras_is_ready;
+
+	bool is_paused;
+	struct completion ras_event_done;
+};
+
+extern const struct amdgpu_ip_block_version ras_v1_0_ip_block;
+
+struct amdgpu_ras_mgr *amdgpu_ras_mgr_get_context(
+			struct amdgpu_device *adev);
+int amdgpu_enable_uniras(struct amdgpu_device *adev, bool enable);
+bool amdgpu_uniras_enabled(struct amdgpu_device *adev);
+int amdgpu_ras_mgr_handle_fatal_interrupt(struct amdgpu_device *adev, void *data);
+int amdgpu_ras_mgr_handle_controller_interrupt(struct amdgpu_device *adev, void *data);
+int amdgpu_ras_mgr_handle_consumer_interrupt(struct amdgpu_device *adev, void *data);
+int amdgpu_ras_mgr_dispatch_interrupt(struct amdgpu_device *adev, struct ras_ih_info *ih_info);
+int amdgpu_ras_mgr_update_ras_ecc(struct amdgpu_device *adev);
+int amdgpu_ras_mgr_reset_gpu(struct amdgpu_device *adev, uint32_t flags);
+uint64_t amdgpu_ras_mgr_gen_ras_event_seqno(struct amdgpu_device *adev,
+			enum ras_seqno_type seqno_type);
+bool amdgpu_ras_mgr_check_eeprom_safety_watermark(struct amdgpu_device *adev);
+int amdgpu_ras_mgr_get_curr_nps_mode(struct amdgpu_device *adev, uint32_t *nps_mode);
+bool amdgpu_ras_mgr_check_retired_addr(struct amdgpu_device *adev,
+			uint64_t addr);
+bool amdgpu_ras_mgr_is_rma(struct amdgpu_device *adev);
+int amdgpu_ras_mgr_handle_ras_cmd(struct amdgpu_device *adev,
+		uint32_t cmd_id, void *input, uint32_t input_size,
+		void *output, uint32_t out_size);
+int amdgpu_ras_mgr_pre_reset(struct amdgpu_device *adev);
+int amdgpu_ras_mgr_post_reset(struct amdgpu_device *adev);
+int amdgpu_ras_mgr_lookup_bad_pages_in_a_row(struct amdgpu_device *adev,
+		uint64_t addr, uint64_t *nps_page_addr, uint32_t max_page_count);
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_mp1_v13_0.c

@@ -0,0 +1,140 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "amdgpu_smu.h"
+#include "amdgpu_reset.h"
+#include "amdgpu_ras_mp1_v13_0.h"
+
+#define RAS_MP1_MSG_QueryValidMcaCeCount  0x3A
+#define RAS_MP1_MSG_McaBankCeDumpDW       0x3B
+
+static const enum smu_message_type pmfw_eeprom_msgs[] = {
+	[RAS_SMU_GetRASTableVersion] = SMU_MSG_GetRASTableVersion,
+	[RAS_SMU_GetBadPageCount] = SMU_MSG_GetBadPageCount,
+	[RAS_SMU_SetTimestamp] = SMU_MSG_SetTimestamp,
+	[RAS_SMU_GetTimestamp] = SMU_MSG_GetTimestamp,
+	[RAS_SMU_GetBadPageIpid] = SMU_MSG_GetBadPageIpid,
+	[RAS_SMU_EraseRasTable] = SMU_MSG_EraseRasTable,
+	[RAS_SMU_GetBadPageMcaAddr] = SMU_MSG_GetBadPageMcaAddr,
+};
+
+static int mp1_v13_0_get_valid_bank_count(struct ras_core_context *ras_core,
+					  u32 msg, u32 *count)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	u32 smu_msg;
+	int ret = 0;
+
+	if (!count)
+		return -EINVAL;
+
+	smu_msg = (msg == RAS_MP1_MSG_QueryValidMcaCeCount) ?
+			SMU_MSG_QueryValidMcaCeCount : SMU_MSG_QueryValidMcaCount;
+
+	if (down_read_trylock(&adev->reset_domain->sem)) {
+		ret = amdgpu_smu_ras_send_msg(adev, smu_msg, 0, count);
+		up_read(&adev->reset_domain->sem);
+	} else {
+		ret = -RAS_CORE_GPU_IN_MODE1_RESET;
+	}
+
+	if (ret)
+		*count = 0;
+
+	return ret;
+}
+
+static int mp1_v13_0_dump_valid_bank(struct ras_core_context *ras_core,
+				     u32 msg, u32 idx, u32 reg_idx, u64 *val)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	uint32_t data[2] = {0, 0};
+	uint32_t param;
+	int ret = 0;
+	int i, offset;
+	u32 smu_msg = (msg == RAS_MP1_MSG_McaBankCeDumpDW) ?
+			     SMU_MSG_McaBankCeDumpDW : SMU_MSG_McaBankDumpDW;
+
+	if (down_read_trylock(&adev->reset_domain->sem)) {
+		offset = reg_idx * 8;
+		for (i = 0; i < ARRAY_SIZE(data); i++) {
+			param = ((idx & 0xffff) << 16) | ((offset + (i << 2)) & 0xfffc);
+			ret = amdgpu_smu_ras_send_msg(adev, smu_msg, param, &data[i]);
+			if (ret) {
+				RAS_DEV_ERR(adev, "ACA failed to read register[%d], offset:0x%x\n",
+					reg_idx, offset);
+				break;
+			}
+		}
+		up_read(&adev->reset_domain->sem);
+
+		if (!ret)
+			*val = (uint64_t)data[1] << 32 | data[0];
+	} else {
+		ret = -RAS_CORE_GPU_IN_MODE1_RESET;
+	}
+
+	return ret;
+}
+
+static int mp1_v13_0_eeprom_send_msg(struct ras_core_context *ras_core,
+				enum ras_fw_eeprom_cmd index, uint32_t param, uint32_t *read_arg)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	int ret = 0;
+
+	if (down_read_trylock(&adev->reset_domain->sem)) {
+		ret = amdgpu_smu_ras_send_msg(adev,
+			pmfw_eeprom_msgs[index], param, read_arg);
+		up_read(&adev->reset_domain->sem);
+	} else {
+		ret = -RAS_CORE_GPU_IN_MODE1_RESET;
+	}
+
+	return ret;
+}
+
+static int mp1_v13_0_get_ras_enabled_mask(struct ras_core_context *ras_core,
+					     uint64_t *enabled_mask)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	int ret = 0;
+
+	if (down_read_trylock(&adev->reset_domain->sem)) {
+		if (amdgpu_smu_ras_feature_is_enabled(adev, SMU_FEATURE_HROM_EN_BIT))
+			*enabled_mask |= RAS_CORE_FW_FEATURE_BIT__RAS_EEPROM;
+		up_read(&adev->reset_domain->sem);
+	} else {
+		ret = -RAS_CORE_GPU_IN_MODE1_RESET;
+	}
+
+	return ret;
+}
+
+const struct ras_mp1_sys_func amdgpu_ras_mp1_sys_func_v13_0 = {
+	.mp1_get_valid_bank_count = mp1_v13_0_get_valid_bank_count,
+	.mp1_dump_valid_bank = mp1_v13_0_dump_valid_bank,
+	.mp1_send_eeprom_msg = mp1_v13_0_eeprom_send_msg,
+	.mp1_get_ras_enabled_mask = mp1_v13_0_get_ras_enabled_mask,
+};
+

linux-7.2.3/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_mp1_v13_0.h

@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __AMDGPU_RAS_MP1_V13_0_H__
+#define __AMDGPU_RAS_MP1_V13_0_H__
+#include "ras.h"
+
+extern const struct ras_mp1_sys_func amdgpu_ras_mp1_sys_func_v13_0;
+
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_nbio_v7_9.c

@@ -0,0 +1,125 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "amdgpu_ras_mgr.h"
+#include "amdgpu_ras_nbio_v7_9.h"
+#include "nbio/nbio_7_9_0_offset.h"
+#include "nbio/nbio_7_9_0_sh_mask.h"
+#include "ivsrcid/nbio/irqsrcs_nbif_7_4.h"
+
+static int nbio_v7_9_set_ras_controller_irq_state(struct amdgpu_device *adev,
+						  struct amdgpu_irq_src *src,
+						  unsigned int type,
+						  enum amdgpu_interrupt_state state)
+{
+	/* Dummy function, there is no initialization operation in driver */
+
+	return 0;
+}
+
+static int nbio_v7_9_process_ras_controller_irq(struct amdgpu_device *adev,
+						struct amdgpu_irq_src *source,
+						struct amdgpu_iv_entry *entry)
+{
+	/* By design, the ih cookie for ras_controller_irq should be written
+	 * to BIFring instead of general iv ring. However, due to known bif ring
+	 * hw bug, it has to be disabled. There is no chance the process function
+	 * will be involked. Just left it as a dummy one.
+	 */
+	return 0;
+}
+
+static int nbio_v7_9_set_ras_err_event_athub_irq_state(struct amdgpu_device *adev,
+						       struct amdgpu_irq_src *src,
+						       unsigned int type,
+						       enum amdgpu_interrupt_state state)
+{
+	/* Dummy function, there is no initialization operation in driver */
+
+	return 0;
+}
+
+static int nbio_v7_9_process_err_event_athub_irq(struct amdgpu_device *adev,
+						 struct amdgpu_irq_src *source,
+						 struct amdgpu_iv_entry *entry)
+{
+	/* By design, the ih cookie for err_event_athub_irq should be written
+	 * to BIFring instead of general iv ring. However, due to known bif ring
+	 * hw bug, it has to be disabled. There is no chance the process function
+	 * will be involked. Just left it as a dummy one.
+	 */
+	return 0;
+}
+
+static const struct amdgpu_irq_src_funcs nbio_v7_9_ras_controller_irq_funcs = {
+	.set = nbio_v7_9_set_ras_controller_irq_state,
+	.process = nbio_v7_9_process_ras_controller_irq,
+};
+
+static const struct amdgpu_irq_src_funcs nbio_v7_9_ras_err_event_athub_irq_funcs = {
+	.set = nbio_v7_9_set_ras_err_event_athub_irq_state,
+	.process = nbio_v7_9_process_err_event_athub_irq,
+};
+
+static int nbio_v7_9_init_ras_controller_interrupt(struct ras_core_context *ras_core, bool state)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	int r;
+
+	/* init the irq funcs */
+	adev->nbio.ras_controller_irq.funcs =
+		&nbio_v7_9_ras_controller_irq_funcs;
+	adev->nbio.ras_controller_irq.num_types = 1;
+
+	/* register ras controller interrupt */
+	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF,
+			      NBIF_7_4__SRCID__RAS_CONTROLLER_INTERRUPT,
+			      &adev->nbio.ras_controller_irq);
+
+	return r;
+}
+
+static int nbio_v7_9_init_ras_err_event_athub_interrupt(struct ras_core_context *ras_core,
+			bool state)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	int r;
+
+	/* init the irq funcs */
+	adev->nbio.ras_err_event_athub_irq.funcs =
+		&nbio_v7_9_ras_err_event_athub_irq_funcs;
+	adev->nbio.ras_err_event_athub_irq.num_types = 1;
+
+	/* register ras err event athub interrupt */
+	r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_BIF,
+			      NBIF_7_4__SRCID__ERREVENT_ATHUB_INTERRUPT,
+			      &adev->nbio.ras_err_event_athub_irq);
+
+	return r;
+}
+
+const struct ras_nbio_sys_func amdgpu_ras_nbio_sys_func_v7_9 = {
+	.set_ras_controller_irq_state = nbio_v7_9_init_ras_controller_interrupt,
+	.set_ras_err_event_athub_irq_state = nbio_v7_9_init_ras_err_event_athub_interrupt,
+};

linux-7.2.3/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_nbio_v7_9.h

@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __AMDGPU_RAS_NBIO_V7_9_H__
+#define __AMDGPU_RAS_NBIO_V7_9_H__
+
+extern const struct ras_nbio_sys_func amdgpu_ras_nbio_sys_func_v7_9;
+
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_process.c

@@ -0,0 +1,200 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright (c) 2025 Advanced Micro Devices, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "amdgpu.h"
+#include "amdgpu_reset.h"
+#include "amdgpu_xgmi.h"
+#include "ras_sys.h"
+#include "amdgpu_ras_mgr.h"
+#include "amdgpu_ras_process.h"
+
+#define RAS_MGR_RETIRE_PAGE_INTERVAL  100
+#define RAS_EVENT_PROCESS_TIMEOUT  1200
+
+static void ras_process_retire_page_dwork(struct work_struct *work)
+{
+	struct amdgpu_ras_mgr *ras_mgr =
+		container_of(work, struct amdgpu_ras_mgr, retire_page_dwork.work);
+	struct amdgpu_device *adev = ras_mgr->adev;
+	int ret;
+
+	if (amdgpu_ras_is_rma(adev))
+		return;
+
+	/* If gpu reset is ongoing, delay retiring the bad pages */
+	if (amdgpu_in_reset(adev) || amdgpu_ras_in_recovery(adev)) {
+		schedule_delayed_work(&ras_mgr->retire_page_dwork,
+			msecs_to_jiffies(RAS_MGR_RETIRE_PAGE_INTERVAL * 3));
+		return;
+	}
+
+	ret = ras_umc_handle_bad_pages(ras_mgr->ras_core, NULL);
+	if (!ret)
+		schedule_delayed_work(&ras_mgr->retire_page_dwork,
+			msecs_to_jiffies(RAS_MGR_RETIRE_PAGE_INTERVAL));
+}
+
+int amdgpu_ras_process_init(struct amdgpu_device *adev)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+
+	ras_mgr->is_paused = false;
+	init_completion(&ras_mgr->ras_event_done);
+
+	INIT_DELAYED_WORK(&ras_mgr->retire_page_dwork, ras_process_retire_page_dwork);
+
+	return 0;
+}
+
+int amdgpu_ras_process_fini(struct amdgpu_device *adev)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+
+	ras_mgr->is_paused = false;
+	/* Save all cached bad pages to eeprom */
+	flush_delayed_work(&ras_mgr->retire_page_dwork);
+	cancel_delayed_work_sync(&ras_mgr->retire_page_dwork);
+	return 0;
+}
+
+int amdgpu_ras_process_handle_umc_interrupt(struct amdgpu_device *adev, void *data)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+
+	if (!ras_mgr->ras_core)
+		return -EINVAL;
+
+	return ras_process_add_interrupt_req(ras_mgr->ras_core, NULL, true);
+}
+
+int amdgpu_ras_process_handle_unexpected_interrupt(struct amdgpu_device *adev, void *data)
+{
+	amdgpu_ras_set_fed(adev, true);
+	return amdgpu_ras_mgr_reset_gpu(adev, AMDGPU_RAS_GPU_RESET_MODE1_RESET);
+}
+
+int amdgpu_ras_process_handle_consumption_interrupt(struct amdgpu_device *adev, void *data)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+	struct ras_ih_info *ih_info = (struct ras_ih_info *)data;
+	struct ras_event_req req;
+	uint64_t seqno;
+
+	if (!ih_info)
+		return -EINVAL;
+
+	if (amdgpu_sriov_vf(adev)) {
+		if (adev->virt.ops && adev->virt.ops->ras_poison_handler)
+			adev->virt.ops->ras_poison_handler(adev, ih_info->block);
+		else
+			dev_warn(adev->dev,
+				"No ras_poison_handler interface in SRIOV for block[%d]!\n",
+				ih_info->block);
+		return 0;
+	}
+
+	memset(&req, 0, sizeof(req));
+	req.block = ih_info->block;
+	req.data = ih_info->data;
+	req.pasid = ih_info->pasid;
+	req.pasid_fn = ih_info->pasid_fn;
+	req.reset = ih_info->reset;
+
+	seqno = ras_core_get_seqno(ras_mgr->ras_core,
+				RAS_SEQNO_TYPE_POISON_CONSUMPTION, false);
+
+	/* When the ACA register cannot be read from FW, the poison
+	 * consumption seqno in the fifo will not pop up, so it is
+	 * necessary to check whether the seqno is the previous seqno.
+	 */
+	if (seqno == ras_mgr->last_poison_consumption_seqno) {
+		/* Pop and discard the previous seqno */
+		ras_core_get_seqno(ras_mgr->ras_core,
+				RAS_SEQNO_TYPE_POISON_CONSUMPTION, true);
+		seqno = ras_core_get_seqno(ras_mgr->ras_core,
+					RAS_SEQNO_TYPE_POISON_CONSUMPTION, false);
+	}
+	ras_mgr->last_poison_consumption_seqno = seqno;
+	req.seqno = seqno;
+
+	return ras_process_add_interrupt_req(ras_mgr->ras_core, &req, false);
+}
+
+int amdgpu_ras_process_begin(struct amdgpu_device *adev)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+
+	if (ras_mgr->is_paused)
+		return -EAGAIN;
+
+	reinit_completion(&ras_mgr->ras_event_done);
+	return 0;
+}
+
+int amdgpu_ras_process_end(struct amdgpu_device *adev)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+
+	complete(&ras_mgr->ras_event_done);
+	return 0;
+}
+
+int amdgpu_ras_process_pre_reset(struct amdgpu_device *adev)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+	long rc;
+
+	if (!ras_mgr || !ras_mgr->ras_core)
+		return -EINVAL;
+
+	if (!ras_mgr->ras_core->is_initialized)
+		return -EPERM;
+
+	ras_mgr->is_paused = true;
+
+	/* Wait for RAS event processing to complete */
+	rc = wait_for_completion_interruptible_timeout(&ras_mgr->ras_event_done,
+			msecs_to_jiffies(RAS_EVENT_PROCESS_TIMEOUT));
+	if (rc <= 0)
+		RAS_DEV_WARN(adev, "Waiting for ras process to complete %s\n",
+			 rc ? "interrupted" : "timeout");
+
+	flush_delayed_work(&ras_mgr->retire_page_dwork);
+	return 0;
+}
+
+int amdgpu_ras_process_post_reset(struct amdgpu_device *adev)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+
+	if (!ras_mgr || !ras_mgr->ras_core)
+		return -EINVAL;
+
+	if (!ras_mgr->ras_core->is_initialized)
+		return -EPERM;
+
+	ras_mgr->is_paused = false;
+
+	schedule_delayed_work(&ras_mgr->retire_page_dwork, 0);
+	return 0;
+}

linux-7.2.3/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_process.h

@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright (c) 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef __AMDGPU_RAS_PROCESS_H__
+#define __AMDGPU_RAS_PROCESS_H__
+#include "ras_process.h"
+#include "amdgpu_ras_mgr.h"
+
+enum ras_ih_type;
+int amdgpu_ras_process_init(struct amdgpu_device *adev);
+int amdgpu_ras_process_fini(struct amdgpu_device *adev);
+int amdgpu_ras_process_handle_umc_interrupt(struct amdgpu_device *adev,
+		void *data);
+int amdgpu_ras_process_handle_unexpected_interrupt(struct amdgpu_device *adev,
+		void *data);
+int amdgpu_ras_process_handle_consumption_interrupt(struct amdgpu_device *adev,
+		void *data);
+int amdgpu_ras_process_begin(struct amdgpu_device *adev);
+int amdgpu_ras_process_end(struct amdgpu_device *adev);
+int amdgpu_ras_process_pre_reset(struct amdgpu_device *adev);
+int amdgpu_ras_process_post_reset(struct amdgpu_device *adev);
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_ras_sys.c

@@ -0,0 +1,280 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "ras_sys.h"
+#include "amdgpu_ras_mgr.h"
+#include "amdgpu_ras.h"
+#include "amdgpu_reset.h"
+
+static int amdgpu_ras_sys_detect_fatal_event(struct ras_core_context *ras_core, void *data)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	int ret;
+	uint64_t seq_no;
+
+	ret = amdgpu_ras_global_ras_isr(adev);
+	if (ret)
+		return ret;
+
+	seq_no = amdgpu_ras_mgr_gen_ras_event_seqno(adev, RAS_SEQNO_TYPE_UE);
+	RAS_DEV_INFO(adev,
+		"{%llu} Uncorrectable hardware error(ERREVENT_ATHUB_INTERRUPT) detected!\n",
+		seq_no);
+
+	return amdgpu_ras_process_handle_unexpected_interrupt(adev, data);
+}
+
+static int amdgpu_ras_sys_poison_consumption_event(struct ras_core_context *ras_core,
+				void *data)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	struct ras_event_req *req = (struct ras_event_req *)data;
+	pasid_notify pasid_fn;
+
+	if (!req)
+		return -EINVAL;
+
+	if (req->pasid_fn) {
+		pasid_fn = (pasid_notify)req->pasid_fn;
+		pasid_fn(adev, req->pasid, req->data);
+	}
+
+	return 0;
+}
+
+static int amdgpu_ras_sys_gen_seqno(struct ras_core_context *ras_core,
+			enum ras_seqno_type seqno_type, uint64_t *seqno)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+	struct ras_event_manager *event_mgr;
+	struct ras_event_state *event_state;
+	struct amdgpu_hive_info *hive;
+	enum ras_event_type event_type;
+	uint64_t seq_no;
+
+	if (!ras_mgr || !seqno ||
+		(seqno_type >= RAS_SEQNO_TYPE_COUNT_MAX))
+		return -EINVAL;
+
+	switch (seqno_type) {
+	case RAS_SEQNO_TYPE_UE:
+		event_type = RAS_EVENT_TYPE_FATAL;
+		break;
+	case RAS_SEQNO_TYPE_CE:
+	case RAS_SEQNO_TYPE_DE:
+		event_type = RAS_EVENT_TYPE_POISON_CREATION;
+		break;
+	case RAS_SEQNO_TYPE_POISON_CONSUMPTION:
+		event_type = RAS_EVENT_TYPE_POISON_CONSUMPTION;
+		break;
+	default:
+		event_type = RAS_EVENT_TYPE_INVALID;
+		break;
+	}
+
+	hive = amdgpu_get_xgmi_hive(adev);
+	event_mgr = hive ? &hive->event_mgr : &ras_mgr->ras_event_mgr;
+	event_state = &event_mgr->event_state[event_type];
+	if ((event_type == RAS_EVENT_TYPE_FATAL) && amdgpu_ras_in_recovery(adev)) {
+		seq_no = event_state->last_seqno;
+	} else {
+		seq_no = atomic64_inc_return(&event_mgr->seqno);
+		event_state->last_seqno = seq_no;
+		atomic64_inc(&event_state->count);
+	}
+	amdgpu_put_xgmi_hive(hive);
+
+	*seqno = seq_no;
+	return 0;
+
+}
+
+static int amdgpu_ras_sys_event_notifier(struct ras_core_context *ras_core,
+				   enum ras_notify_event event_id, void *data)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(ras_core->dev);
+	int ret = 0;
+
+	switch (event_id) {
+	case RAS_EVENT_ID__BAD_PAGE_DETECTED:
+		schedule_delayed_work(&ras_mgr->retire_page_dwork, 0);
+		break;
+	case RAS_EVENT_ID__POISON_CONSUMPTION:
+		amdgpu_ras_sys_poison_consumption_event(ras_core, data);
+		break;
+	case RAS_EVENT_ID__RESERVE_BAD_PAGE:
+		ret = amdgpu_ras_reserve_page(ras_core->dev, *(uint64_t *)data);
+		break;
+	case RAS_EVENT_ID__FATAL_ERROR_DETECTED:
+		ret = amdgpu_ras_sys_detect_fatal_event(ras_core, data);
+		break;
+	case RAS_EVENT_ID__UPDATE_BAD_PAGE_NUM:
+		ret = amdgpu_dpm_send_hbm_bad_pages_num(ras_core->dev, *(uint32_t *)data);
+		break;
+	case RAS_EVENT_ID__UPDATE_BAD_CHANNEL_BITMAP:
+		ret = amdgpu_dpm_send_hbm_bad_channel_flag(ras_core->dev, *(uint32_t *)data);
+		break;
+	case RAS_EVENT_ID__DEVICE_RMA:
+		ras_log_ring_add_log_event(ras_core, RAS_LOG_EVENT_RMA, NULL, NULL);
+		if (!ras_fw_eeprom_supported(ras_core))
+			ret = amdgpu_dpm_send_rma_reason(ras_core->dev);
+		break;
+	case RAS_EVENT_ID__RESET_GPU:
+		ret = amdgpu_ras_mgr_reset_gpu(ras_core->dev, *(uint32_t *)data);
+		break;
+	case RAS_EVENT_ID__RAS_EVENT_PROC_BEGIN:
+		ret = amdgpu_ras_process_begin(ras_core->dev);
+		break;
+	case RAS_EVENT_ID__RAS_EVENT_PROC_END:
+		ret = amdgpu_ras_process_end(ras_core->dev);
+		break;
+	default:
+		RAS_DEV_WARN(ras_core->dev, "Invalid ras notify event:%d\n", event_id);
+		break;
+	}
+
+	return ret;
+}
+
+static u64 amdgpu_ras_sys_get_utc_second_timestamp(struct ras_core_context *ras_core)
+{
+	return ktime_get_real_seconds();
+}
+
+static int amdgpu_ras_sys_check_gpu_status(struct ras_core_context *ras_core,
+				uint32_t *status)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	uint32_t gpu_status = 0;
+
+	if (amdgpu_in_reset(adev) || amdgpu_ras_in_recovery(adev))
+		gpu_status |= RAS_GPU_STATUS__IN_RESET;
+
+	if (amdgpu_sriov_vf(adev))
+		gpu_status |= RAS_GPU_STATUS__IS_VF;
+
+	*status = gpu_status;
+
+	return 0;
+}
+
+static int amdgpu_ras_sys_get_device_system_info(struct ras_core_context *ras_core,
+			struct device_system_info *dev_info)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+
+	dev_info->device_id = adev->pdev->device;
+	dev_info->vendor_id = adev->pdev->vendor;
+	dev_info->socket_id = adev->smuio.funcs->get_socket_id(adev);
+
+	return 0;
+}
+
+static int amdgpu_ras_sys_gpu_reset_lock(struct ras_core_context *ras_core,
+			bool down, bool try)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	int ret = 0;
+
+	if (down && try)
+		ret = down_read_trylock(&adev->reset_domain->sem);
+	else if (down)
+		down_read(&adev->reset_domain->sem);
+	else
+		up_read(&adev->reset_domain->sem);
+
+	return ret;
+}
+
+static bool amdgpu_ras_sys_detect_ras_interrupt(struct ras_core_context *ras_core)
+{
+	return !!atomic_read(&amdgpu_ras_in_intr);
+}
+
+static int amdgpu_ras_sys_get_gpu_mem(struct ras_core_context *ras_core,
+	enum gpu_mem_type mem_type, struct gpu_mem_block *gpu_mem)
+{
+	struct amdgpu_device *adev = (struct amdgpu_device *)ras_core->dev;
+	struct psp_context *psp = &adev->psp;
+	struct psp_ring *psp_ring;
+	struct ta_mem_context *mem_ctx;
+
+	if (mem_type == GPU_MEM_TYPE_RAS_PSP_RING) {
+		psp_ring = &psp->km_ring;
+		gpu_mem->mem_bo = adev->firmware.rbuf;
+		gpu_mem->mem_size = psp_ring->ring_size;
+		gpu_mem->mem_mc_addr = psp_ring->ring_mem_mc_addr;
+		gpu_mem->mem_cpu_addr = psp_ring->ring_mem;
+	} else if (mem_type == GPU_MEM_TYPE_RAS_PSP_CMD) {
+		gpu_mem->mem_bo = psp->cmd_buf_bo;
+		gpu_mem->mem_size = PSP_CMD_BUFFER_SIZE;
+		gpu_mem->mem_mc_addr = psp->cmd_buf_mc_addr;
+		gpu_mem->mem_cpu_addr = psp->cmd_buf_mem;
+	} else if (mem_type == GPU_MEM_TYPE_RAS_PSP_FENCE) {
+		gpu_mem->mem_bo = psp->fence_buf_bo;
+		gpu_mem->mem_size = PSP_FENCE_BUFFER_SIZE;
+		gpu_mem->mem_mc_addr = psp->fence_buf_mc_addr;
+		gpu_mem->mem_cpu_addr = psp->fence_buf;
+	} else if (mem_type == GPU_MEM_TYPE_RAS_TA_FW) {
+		gpu_mem->mem_bo = psp->fw_pri_bo;
+		gpu_mem->mem_size = PSP_1_MEG;
+		gpu_mem->mem_mc_addr = psp->fw_pri_mc_addr;
+		gpu_mem->mem_cpu_addr = psp->fw_pri_buf;
+	} else if (mem_type == GPU_MEM_TYPE_RAS_TA_CMD) {
+		mem_ctx = &psp->ras_context.context.mem_context;
+		gpu_mem->mem_bo = mem_ctx->shared_bo;
+		gpu_mem->mem_size = mem_ctx->shared_mem_size;
+		gpu_mem->mem_mc_addr = mem_ctx->shared_mc_addr;
+		gpu_mem->mem_cpu_addr = mem_ctx->shared_buf;
+	} else {
+		return -EINVAL;
+	}
+
+	if (!gpu_mem->mem_bo || !gpu_mem->mem_size ||
+		!gpu_mem->mem_mc_addr || !gpu_mem->mem_cpu_addr) {
+		RAS_DEV_ERR(ras_core->dev, "The ras psp gpu memory is invalid!\n");
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+
+static int amdgpu_ras_sys_put_gpu_mem(struct ras_core_context *ras_core,
+	enum gpu_mem_type mem_type, struct gpu_mem_block *gpu_mem)
+{
+
+	return 0;
+}
+
+const struct ras_sys_func amdgpu_ras_sys_fn = {
+	.ras_notifier = amdgpu_ras_sys_event_notifier,
+	.get_utc_second_timestamp = amdgpu_ras_sys_get_utc_second_timestamp,
+	.gen_seqno = amdgpu_ras_sys_gen_seqno,
+	.check_gpu_status = amdgpu_ras_sys_check_gpu_status,
+	.get_device_system_info = amdgpu_ras_sys_get_device_system_info,
+	.gpu_reset_lock = amdgpu_ras_sys_gpu_reset_lock,
+	.detect_ras_interrupt = amdgpu_ras_sys_detect_ras_interrupt,
+	.get_gpu_mem = amdgpu_ras_sys_get_gpu_mem,
+	.put_gpu_mem = amdgpu_ras_sys_put_gpu_mem,
+};

linux-7.2.3/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_virt_ras_cmd.c

@@ -0,0 +1,605 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include <linux/pci.h>
+#include "amdgpu.h"
+#include "amdgpu_ras.h"
+#include "ras_sys.h"
+#include "amdgpu_ras_cmd.h"
+#include "amdgpu_virt_ras_cmd.h"
+#include "amdgpu_ras_mgr.h"
+
+static int amdgpu_virt_ras_get_cmd_shared_mem(struct ras_core_context *ras_core,
+		uint32_t cmd, uint32_t mem_size, struct amdgpu_virt_shared_mem *shared_mem)
+{
+	struct amdgpu_device *adev = ras_core->dev;
+	struct amdsriov_ras_telemetry *ras_telemetry_cpu;
+	struct amdsriov_ras_telemetry *ras_telemetry_gpu;
+	void *fw_va = adev->mman.resv_region[AMDGPU_RESV_FW_VRAM_USAGE].cpu_ptr;
+	void *drv_va = adev->mman.resv_region[AMDGPU_RESV_DRV_VRAM_USAGE].cpu_ptr;
+	uint64_t fw_vram_usage_start_offset = 0;
+	uint64_t ras_telemetry_offset = 0;
+
+	if (!adev->virt.fw_reserve.ras_telemetry)
+		return -EINVAL;
+
+	if (fw_va && fw_va <= adev->virt.fw_reserve.ras_telemetry) {
+		fw_vram_usage_start_offset = adev->mman.resv_region[AMDGPU_RESV_FW_VRAM_USAGE].offset;
+		ras_telemetry_offset = (uintptr_t)adev->virt.fw_reserve.ras_telemetry -
+				(uintptr_t)fw_va;
+	} else if (drv_va && drv_va <= adev->virt.fw_reserve.ras_telemetry) {
+		fw_vram_usage_start_offset = adev->mman.resv_region[AMDGPU_RESV_DRV_VRAM_USAGE].offset;
+		ras_telemetry_offset = (uintptr_t)adev->virt.fw_reserve.ras_telemetry -
+				(uintptr_t)drv_va;
+	} else {
+		return -EINVAL;
+	}
+
+	ras_telemetry_cpu =
+		(struct amdsriov_ras_telemetry *)adev->virt.fw_reserve.ras_telemetry;
+	ras_telemetry_gpu =
+		(struct amdsriov_ras_telemetry *)(uintptr_t)(fw_vram_usage_start_offset +
+				ras_telemetry_offset);
+
+	if (cmd == RAS_CMD__GET_ALL_BLOCK_ECC_STATUS) {
+		if (mem_size > AMD_SRIOV_UNIRAS_BLOCKS_BUF_SIZE)
+			return -ENOMEM;
+
+		shared_mem->cpu_addr = ras_telemetry_cpu->uniras_shared_mem.blocks_ecc_buf;
+		shared_mem->gpa =
+			(uintptr_t)ras_telemetry_gpu->uniras_shared_mem.blocks_ecc_buf -
+					adev->gmc.vram_start;
+		shared_mem->size = mem_size;
+	} else {
+		if (mem_size > AMD_SRIOV_UNIRAS_CMD_MAX_SIZE)
+			return -ENOMEM;
+
+		shared_mem->cpu_addr = ras_telemetry_cpu->uniras_shared_mem.cmd_buf;
+		shared_mem->gpa =
+			(uintptr_t)ras_telemetry_gpu->uniras_shared_mem.cmd_buf -
+					adev->gmc.vram_start;
+		shared_mem->size = mem_size;
+	}
+
+	return 0;
+}
+
+static int amdgpu_virt_ras_remote_ioctl_cmd(struct ras_core_context *ras_core,
+			struct ras_cmd_ctx *cmd, void *output_data, uint32_t output_size)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(ras_core->dev);
+	struct amdgpu_virt_ras_cmd *virt_ras = ras_mgr->virt_ras_cmd;
+	uint32_t mem_len = ALIGN(sizeof(*cmd) + output_size, AMDGPU_GPU_PAGE_SIZE);
+	struct ras_cmd_ctx *rcmd;
+	struct ras_cmd_ctx hdr_snap;
+	struct amdgpu_virt_shared_mem shared_mem = {0};
+	int ret = 0;
+
+	mutex_lock(&virt_ras->remote_access_lock);
+
+	ret = amdgpu_virt_ras_get_cmd_shared_mem(ras_core, cmd->cmd_id, mem_len, &shared_mem);
+	if (ret)
+		goto out;
+
+	rcmd = (struct ras_cmd_ctx *)shared_mem.cpu_addr;
+	memset(rcmd, 0, mem_len);
+	memcpy(rcmd, cmd, sizeof(*cmd));
+
+	ret = amdgpu_virt_send_remote_ras_cmd(ras_core->dev,
+				shared_mem.gpa, mem_len);
+	if (!ret) {
+		/*
+		 * rcmd lives in shared memory the PF can mutate at any time.
+		 * Snapshot the entire fixed-size response header into a local
+		 * struct in one shot so every subsequent decision (cmd_res,
+		 * output_size, version, etc.) operates on a stable copy. This
+		 * defeats double-fetch / TOCTOU attacks where a malicious or
+		 * buggy PF could flip cmd_res from SUCCESS to an error after
+		 * our success branch, or enlarge output_size between the
+		 * bounds check and the memcpy below to corrupt the caller's
+		 * local output buffer.
+		 */
+		memcpy(&hdr_snap, rcmd, sizeof(hdr_snap));
+		barrier();
+
+		if (hdr_snap.cmd_res) {
+			ret = hdr_snap.cmd_res;
+			goto out;
+		}
+
+		cmd->cmd_res = hdr_snap.cmd_res;
+		cmd->output_size = hdr_snap.output_size;
+
+		if (hdr_snap.output_size && output_data &&
+		    hdr_snap.output_size <= output_size)
+			memcpy(output_data, rcmd->output_buff_raw, hdr_snap.output_size);
+	}
+
+out:
+	mutex_unlock(&virt_ras->remote_access_lock);
+	return ret;
+}
+
+static int amdgpu_virt_ras_send_remote_cmd(struct ras_core_context *ras_core,
+	uint32_t cmd_id, void *input_data, uint32_t input_size,
+	void *output_data, uint32_t output_size)
+{
+	struct ras_cmd_ctx rcmd = {0};
+	int ret;
+
+	if (input_size > RAS_CMD_MAX_IN_SIZE)
+		return RAS_CMD__ERROR_INVALID_INPUT_SIZE;
+
+	rcmd.cmd_id = cmd_id;
+	rcmd.input_size = input_size;
+	memcpy(rcmd.input_buff_raw, input_data, input_size);
+
+	ret = amdgpu_virt_ras_remote_ioctl_cmd(ras_core,
+				&rcmd, output_data, output_size);
+	if (!ret) {
+		if (rcmd.output_size != output_size)
+			return RAS_CMD__ERROR_GENERIC;
+	}
+
+	return ret;
+}
+
+static int amdgpu_virt_ras_get_batch_trace_overview(struct ras_core_context *ras_core,
+	struct ras_log_batch_overview *overview)
+{
+	struct ras_cmd_batch_trace_snapshot_req req = {0};
+	struct ras_cmd_batch_trace_snapshot_rsp rsp = {0};
+	int ret;
+
+	ret = amdgpu_virt_ras_send_remote_cmd(ras_core, RAS_CMD__GET_BATCH_TRACE_SNAPSHOT,
+				&req, sizeof(req), &rsp, sizeof(rsp));
+	if (ret)
+		return ret;
+
+	overview->first_batch_id = rsp.start_batch_id;
+	overview->last_batch_id = rsp.latest_batch_id;
+	overview->logged_batch_count = rsp.total_batch_num;
+
+	return RAS_CMD__SUCCESS;
+}
+
+static int amdgpu_virt_ras_get_cper_snapshot(struct ras_core_context *ras_core,
+			struct ras_cmd_ctx *cmd, void *data)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(ras_core->dev);
+	struct amdgpu_virt_ras_cmd *virt_ras =
+			(struct amdgpu_virt_ras_cmd *)ras_mgr->virt_ras_cmd;
+	int ret;
+
+	if (cmd->input_size != sizeof(struct ras_cmd_cper_snapshot_req))
+		return RAS_CMD__ERROR_INVALID_INPUT_SIZE;
+
+	ret = amdgpu_virt_ras_send_remote_cmd(ras_core, cmd->cmd_id,
+			cmd->input_buff_raw, cmd->input_size,
+			cmd->output_buff_raw, sizeof(struct ras_cmd_cper_snapshot_rsp));
+	if (ret)
+		return ret;
+
+	memset(&virt_ras->batch_mgr, 0, sizeof(virt_ras->batch_mgr));
+	amdgpu_virt_ras_get_batch_trace_overview(ras_core,
+					&virt_ras->batch_mgr.batch_overview);
+
+	cmd->output_size = sizeof(struct ras_cmd_cper_snapshot_rsp);
+	return RAS_CMD__SUCCESS;
+}
+
+static bool amdgpu_virt_ras_check_batch_cached(struct ras_cmd_batch_trace_record_rsp *rsp,
+				       uint64_t batch_id)
+{
+	return rsp->real_batch_num &&
+	       rsp->real_batch_num <= RAS_CMD_MAX_BATCH_NUM &&
+	       batch_id >= rsp->start_batch_id &&
+	       (batch_id - rsp->start_batch_id) < rsp->real_batch_num;
+}
+
+static int amdgpu_virt_ras_get_batch_records(struct ras_core_context *ras_core, uint64_t batch_id,
+			struct ras_log_info *trace_arr, uint32_t arr_num,
+			struct ras_cmd_batch_trace_record_rsp *rsp_cache)
+{
+	struct ras_cmd_batch_trace_record_req req = {
+		.start_batch_id = batch_id,
+		.batch_num = RAS_CMD_MAX_BATCH_NUM,
+	};
+	struct ras_cmd_batch_trace_record_rsp *rsp = rsp_cache;
+	struct batch_ras_trace_info *batch;
+	int ret = 0;
+	uint32_t i;
+	uint32_t idx;
+
+	if (!amdgpu_virt_ras_check_batch_cached(rsp, batch_id)) {
+		memset(rsp, 0, sizeof(*rsp));
+		ret = amdgpu_virt_ras_send_remote_cmd(ras_core, RAS_CMD__GET_BATCH_TRACE_RECORD,
+			&req, sizeof(req), rsp, sizeof(*rsp));
+		if (ret)
+			return -EPIPE;
+
+		if (!amdgpu_virt_ras_check_batch_cached(rsp, batch_id)) {
+			memset(rsp, 0, sizeof(*rsp));
+			return -EIO;
+		}
+	}
+
+	idx = (uint32_t)(batch_id - rsp->start_batch_id);
+	batch = &rsp->batchs[idx];
+	if (batch_id != batch->batch_id ||
+	    batch->trace_num > MAX_RECORD_PER_BATCH ||
+	    (uint32_t)batch->offset + batch->trace_num > RAS_CMD_MAX_TRACE_NUM) {
+		memset(rsp, 0, sizeof(*rsp));
+		return -EIO;
+	}
+
+	for (i = 0; i < batch->trace_num && i < arr_num; i++)
+		memcpy(&trace_arr[i],
+			&rsp->records[batch->offset + i], sizeof(*trace_arr));
+
+	return i;
+}
+
+static int amdgpu_virt_ras_get_cper_records(struct ras_core_context *ras_core,
+	struct ras_cmd_ctx *cmd, void *data)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(ras_core->dev);
+	struct amdgpu_virt_ras_cmd *virt_ras =
+			(struct amdgpu_virt_ras_cmd *)ras_mgr->virt_ras_cmd;
+	struct ras_cmd_cper_record_req *req =
+		(struct ras_cmd_cper_record_req *)cmd->input_buff_raw;
+	struct ras_cmd_cper_record_rsp *rsp =
+		(struct ras_cmd_cper_record_rsp *)cmd->output_buff_raw;
+	struct ras_log_batch_overview *overview = &virt_ras->batch_mgr.batch_overview;
+	struct ras_cmd_batch_trace_record_rsp *rsp_cache = &virt_ras->batch_mgr.batch_trace;
+	struct ras_log_info *trace;
+	uint32_t trace_count = MAX_RECORD_PER_BATCH;
+	uint32_t offset = 0, real_data_len = 0;
+	uint64_t batch_id;
+	uint8_t *out_buf;
+	int ret = 0, i, count;
+
+	if (cmd->input_size != sizeof(struct ras_cmd_cper_record_req) ||
+		(cmd->output_buf_size < sizeof(*rsp)))
+		return RAS_CMD__ERROR_INVALID_INPUT_SIZE;
+
+	if (!req->buf_size || !req->buf_ptr || !req->cper_num ||
+	    req->buf_size > RAS_CMD_MAX_CPER_BUF_SZ)
+		return RAS_CMD__ERROR_INVALID_INPUT_DATA;
+
+	trace = kzalloc_objs(*trace, trace_count);
+	if (!trace)
+		return RAS_CMD__ERROR_GENERIC;
+
+	out_buf = kzalloc(req->buf_size, GFP_KERNEL);
+	if (!out_buf) {
+		kfree(trace);
+		return RAS_CMD__ERROR_GENERIC;
+	}
+
+	memset(out_buf, 0, req->buf_size);
+
+	for (i = 0; i < req->cper_num; i++) {
+		batch_id = req->cper_start_id + i;
+		if (batch_id >= overview->last_batch_id)
+			break;
+		count = amdgpu_virt_ras_get_batch_records(ras_core, batch_id,
+							  trace, trace_count,
+							  rsp_cache);
+		if (count > 0) {
+			ret = ras_cper_generate_cper(ras_core, trace, count,
+					&out_buf[offset], req->buf_size - offset, &real_data_len);
+			if (ret)
+				break;
+
+			offset += real_data_len;
+		}
+	}
+
+	if ((ret && (ret != -ENOMEM)) ||
+	    copy_to_user(u64_to_user_ptr(req->buf_ptr), out_buf, offset)) {
+		kfree(out_buf);
+		kfree(trace);
+		return RAS_CMD__ERROR_GENERIC;
+	}
+
+	rsp->real_data_size = offset;
+	rsp->real_cper_num = i;
+	rsp->remain_num = (ret == -ENOMEM) ? (req->cper_num - i) : 0;
+	rsp->version = 0;
+
+	cmd->output_size = sizeof(struct ras_cmd_cper_record_rsp);
+
+	kfree(out_buf);
+	kfree(trace);
+
+	return RAS_CMD__SUCCESS;
+}
+
+static int __fill_get_blocks_ecc_cmd(struct amdgpu_device *adev,
+			struct vram_blocks_ecc *blks_ecc)
+{
+	struct ras_cmd_ctx *rcmd;
+
+	if (!blks_ecc || !blks_ecc->shared_mem.cpu_addr)
+		return -EINVAL;
+
+	rcmd = (struct ras_cmd_ctx *)blks_ecc->shared_mem.cpu_addr;
+
+	rcmd->cmd_id = RAS_CMD__GET_ALL_BLOCK_ECC_STATUS;
+	rcmd->input_size = sizeof(struct ras_cmd_blocks_ecc_req);
+	rcmd->output_buf_size = blks_ecc->shared_mem.size - sizeof(*rcmd);
+
+	return 0;
+}
+
+static int __set_cmd_auto_update(struct amdgpu_device *adev,
+			enum ras_cmd_id cmd_id, uint64_t gpa_addr, uint32_t len, bool reg)
+{
+	struct ras_cmd_auto_update_req req = {0};
+	struct ras_cmd_auto_update_rsp rsp = {0};
+	int ret;
+
+	req.mode = reg ? 1 : 0;
+	req.cmd_id = cmd_id;
+	req.addr = gpa_addr;
+	req.len = len;
+	ret = amdgpu_ras_mgr_handle_ras_cmd(adev, RAS_CMD__SET_CMD_AUTO_UPDATE,
+		&req, sizeof(req), &rsp, sizeof(rsp));
+
+	return ret;
+}
+
+static int amdgpu_virt_ras_get_block_ecc(struct ras_core_context *ras_core,
+				struct ras_cmd_ctx *cmd, void *data)
+{
+	struct amdgpu_device *adev = ras_core->dev;
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+	struct amdgpu_virt_ras_cmd *virt_ras =
+			(struct amdgpu_virt_ras_cmd *)ras_mgr->virt_ras_cmd;
+	struct vram_blocks_ecc *blks_ecc = &virt_ras->blocks_ecc;
+	struct ras_cmd_ctx *blks_ecc_cmd_ctx;
+	struct ras_cmd_blocks_ecc_rsp *blks_ecc_rsp;
+	struct ras_cmd_block_ecc_info_req *input_data =
+			(struct ras_cmd_block_ecc_info_req *)cmd->input_buff_raw;
+	struct ras_cmd_block_ecc_info_rsp *output_data =
+			(struct ras_cmd_block_ecc_info_rsp *)cmd->output_buff_raw;
+	int ret = 0;
+
+	if (cmd->input_size != sizeof(struct ras_cmd_block_ecc_info_req))
+		return RAS_CMD__ERROR_INVALID_INPUT_SIZE;
+
+	if (input_data->block_id >= MAX_RAS_BLOCK_NUM)
+		return RAS_CMD__ERROR_INVALID_INPUT_DATA;
+
+	if (__fill_get_blocks_ecc_cmd(adev, blks_ecc))
+		return RAS_CMD__ERROR_GENERIC;
+
+	if (!virt_ras->blocks_ecc.auto_update_actived) {
+		ret = __set_cmd_auto_update(adev, RAS_CMD__GET_ALL_BLOCK_ECC_STATUS,
+				blks_ecc->shared_mem.gpa,
+				blks_ecc->shared_mem.size, true);
+		if (ret)
+			return ret;
+
+		blks_ecc->auto_update_actived = true;
+	}
+
+	blks_ecc_cmd_ctx = blks_ecc->shared_mem.cpu_addr;
+	blks_ecc_rsp = (struct ras_cmd_blocks_ecc_rsp *)blks_ecc_cmd_ctx->output_buff_raw;
+
+	output_data->ce_count = blks_ecc_rsp->blocks[input_data->block_id].ce_count;
+	output_data->ue_count = blks_ecc_rsp->blocks[input_data->block_id].ue_count;
+	output_data->de_count = blks_ecc_rsp->blocks[input_data->block_id].de_count;
+
+	cmd->output_size = sizeof(struct ras_cmd_block_ecc_info_rsp);
+	return RAS_CMD__SUCCESS;
+}
+
+int amdgpu_virt_ras_check_address_validity(struct amdgpu_device *adev,
+			uint64_t address, bool *hit)
+{
+	struct ras_cmd_address_check_req req = {0};
+	struct ras_cmd_address_check_rsp rsp = {0};
+	int ret = 0;
+
+	req.address = address;
+
+	ret = amdgpu_ras_mgr_handle_ras_cmd(adev, RAS_CMD__CHECK_ADDRESS_VALIDITY,
+		&req, sizeof(req), &rsp, sizeof(rsp));
+
+	if (ret)
+		return RAS_CMD__ERROR_GENERIC;
+
+	*hit = rsp.result ? true : false;
+
+	return RAS_CMD__SUCCESS;
+}
+
+int amdgpu_virt_ras_convert_retired_address(struct amdgpu_device *adev,
+			uint64_t address, uint64_t *pfn, uint32_t max_pfn_sz)
+{
+	struct ras_cmd_convert_retired_address_req req = {0};
+	struct ras_cmd_convert_retired_address_rsp rsp = {0};
+	int ret = 0, i;
+	int retired_page_count;
+
+	if (!pfn || !max_pfn_sz)
+		return -EINVAL;
+
+	req.address = address;
+
+	ret = amdgpu_ras_mgr_handle_ras_cmd(adev, RAS_CMD__CONVERT_RETIRED_ADDRESS,
+		&req, sizeof(req), &rsp, sizeof(rsp));
+
+	if (ret || rsp.retired_count == 0)
+		return -EINVAL;
+
+	retired_page_count = rsp.retired_count > max_pfn_sz ? max_pfn_sz : rsp.retired_count;
+
+	for (i = 0; i < retired_page_count; i++)
+		pfn[i] = rsp.retired_addr[i] >> AMDGPU_GPU_PAGE_SHIFT;
+
+	return retired_page_count;
+}
+
+static struct ras_cmd_func_map amdgpu_virt_ras_cmd_maps[] = {
+	{RAS_CMD__GET_CPER_SNAPSHOT, amdgpu_virt_ras_get_cper_snapshot},
+	{RAS_CMD__GET_CPER_RECORD, amdgpu_virt_ras_get_cper_records},
+	{RAS_CMD__GET_BLOCK_ECC_STATUS, amdgpu_virt_ras_get_block_ecc},
+};
+
+int amdgpu_virt_ras_handle_cmd(struct ras_core_context *ras_core,
+		struct ras_cmd_ctx *cmd)
+{
+	struct ras_cmd_func_map *ras_cmd = NULL;
+	int i, res;
+
+	for (i = 0; i < ARRAY_SIZE(amdgpu_virt_ras_cmd_maps); i++) {
+		if (cmd->cmd_id == amdgpu_virt_ras_cmd_maps[i].cmd_id) {
+			ras_cmd = &amdgpu_virt_ras_cmd_maps[i];
+			break;
+		}
+	}
+
+	if (ras_cmd)
+		res = ras_cmd->func(ras_core, cmd, NULL);
+	else
+		res = amdgpu_virt_ras_remote_ioctl_cmd(ras_core, cmd,
+					cmd->output_buff_raw, cmd->output_buf_size);
+
+	cmd->cmd_res = res;
+
+	if (!res && (cmd->output_size > cmd->output_buf_size)) {
+		RAS_DEV_ERR(ras_core->dev,
+			"Output data size 0x%x exceeds buffer size 0x%x!\n",
+			cmd->output_size, cmd->output_buf_size);
+		return RAS_CMD__SUCCESS_EXEED_BUFFER;
+	}
+
+	return RAS_CMD__SUCCESS;
+}
+
+int amdgpu_virt_ras_sw_init(struct amdgpu_device *adev)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+	struct amdgpu_virt_ras_cmd *virt_ras_cmd;
+
+	ras_mgr->virt_ras_cmd = kzalloc_obj(struct amdgpu_virt_ras_cmd);
+	if (!ras_mgr->virt_ras_cmd)
+		return -ENOMEM;
+
+	virt_ras_cmd = ras_mgr->virt_ras_cmd;
+	mutex_init(&virt_ras_cmd->remote_access_lock);
+
+	return 0;
+}
+
+int amdgpu_virt_ras_sw_fini(struct amdgpu_device *adev)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+	struct amdgpu_virt_ras_cmd *virt_ras_cmd = ras_mgr->virt_ras_cmd;
+
+	mutex_destroy(&virt_ras_cmd->remote_access_lock);
+	kfree(ras_mgr->virt_ras_cmd);
+	ras_mgr->virt_ras_cmd = NULL;
+
+	return 0;
+}
+
+int amdgpu_virt_ras_hw_init(struct amdgpu_device *adev)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+	struct amdgpu_virt_ras_cmd *virt_ras =
+			(struct amdgpu_virt_ras_cmd *)ras_mgr->virt_ras_cmd;
+	struct vram_blocks_ecc *blks_ecc = &virt_ras->blocks_ecc;
+
+	amdgpu_virt_get_ras_capability(adev);
+
+	memset(blks_ecc, 0, sizeof(*blks_ecc));
+	if (amdgpu_virt_ras_get_cmd_shared_mem(ras_mgr->ras_core,
+			RAS_CMD__GET_ALL_BLOCK_ECC_STATUS,
+			AMD_SRIOV_UNIRAS_BLOCKS_BUF_SIZE, &blks_ecc->shared_mem))
+		return -ENOMEM;
+
+	return 0;
+}
+
+int amdgpu_virt_ras_hw_fini(struct amdgpu_device *adev)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+	struct amdgpu_virt_ras_cmd *virt_ras =
+			(struct amdgpu_virt_ras_cmd *)ras_mgr->virt_ras_cmd;
+	struct vram_blocks_ecc *blks_ecc = &virt_ras->blocks_ecc;
+
+	if (blks_ecc->shared_mem.cpu_addr)
+		memset(blks_ecc->shared_mem.cpu_addr, 0, blks_ecc->shared_mem.size);
+
+	memset(blks_ecc, 0, sizeof(*blks_ecc));
+
+	return 0;
+}
+
+int amdgpu_virt_ras_pre_reset(struct amdgpu_device *adev)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+	struct amdgpu_virt_ras_cmd *virt_ras =
+		(struct amdgpu_virt_ras_cmd *)ras_mgr->virt_ras_cmd;
+
+	virt_ras->blocks_ecc.auto_update_actived = false;
+	return 0;
+}
+
+int amdgpu_virt_ras_post_reset(struct amdgpu_device *adev)
+{
+	return 0;
+}
+
+void amdgpu_virt_ras_set_remote_uniras(struct amdgpu_device *adev, bool en)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+	struct amdgpu_virt_ras_cmd *virt_ras;
+
+	if (!ras_mgr || !ras_mgr->virt_ras_cmd)
+		return;
+
+	virt_ras = (struct amdgpu_virt_ras_cmd *)ras_mgr->virt_ras_cmd;
+	virt_ras->remote_uniras_supported = en;
+}
+
+bool amdgpu_virt_ras_remote_uniras_enabled(struct amdgpu_device *adev)
+{
+	struct amdgpu_ras_mgr *ras_mgr = amdgpu_ras_mgr_get_context(adev);
+	struct amdgpu_virt_ras_cmd *virt_ras;
+
+	if (amdgpu_in_reset(adev))
+		return false;
+
+	if (!ras_mgr || !ras_mgr->virt_ras_cmd)
+		return false;
+
+	virt_ras = (struct amdgpu_virt_ras_cmd *)ras_mgr->virt_ras_cmd;
+
+	return virt_ras->remote_uniras_supported;
+}

linux-7.2.3/drivers/gpu/drm/amd/ras/ras_mgr/amdgpu_virt_ras_cmd.h

@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __AMDGPU_VIRT_RAS_CMD_H__
+#define __AMDGPU_VIRT_RAS_CMD_H__
+#include "ras.h"
+
+struct remote_batch_trace_mgr {
+	struct ras_log_batch_overview  batch_overview;
+	struct ras_cmd_batch_trace_record_rsp  batch_trace;
+};
+
+struct amdgpu_virt_shared_mem {
+	uint64_t gpa;
+	void *cpu_addr;
+	uint32_t size;
+};
+
+struct vram_blocks_ecc {
+	struct amdgpu_virt_shared_mem shared_mem;
+	bool auto_update_actived;
+};
+
+struct amdgpu_virt_ras_cmd {
+	bool remote_uniras_supported;
+	struct remote_batch_trace_mgr batch_mgr;
+	struct vram_blocks_ecc blocks_ecc;
+	struct mutex remote_access_lock;
+};
+
+int amdgpu_virt_ras_sw_init(struct amdgpu_device *adev);
+int amdgpu_virt_ras_sw_fini(struct amdgpu_device *adev);
+int amdgpu_virt_ras_hw_init(struct amdgpu_device *adev);
+int amdgpu_virt_ras_hw_fini(struct amdgpu_device *adev);
+int amdgpu_virt_ras_handle_cmd(struct ras_core_context *ras_core,
+		struct ras_cmd_ctx *cmd);
+int amdgpu_virt_ras_pre_reset(struct amdgpu_device *adev);
+int amdgpu_virt_ras_post_reset(struct amdgpu_device *adev);
+void amdgpu_virt_ras_set_remote_uniras(struct amdgpu_device *adev, bool en);
+bool amdgpu_virt_ras_remote_uniras_enabled(struct amdgpu_device *adev);
+int amdgpu_virt_ras_check_address_validity(struct amdgpu_device *adev,
+			uint64_t address, bool *hit);
+int amdgpu_virt_ras_convert_retired_address(struct amdgpu_device *adev,
+			uint64_t address, uint64_t *pfn, uint32_t max_pfn_sz);
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/ras_mgr/ras_sys.h

@@ -0,0 +1,119 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __RAS_SYS_H__
+#define __RAS_SYS_H__
+#include <linux/stdarg.h>
+#include <linux/printk.h>
+#include <linux/dev_printk.h>
+#include <linux/mempool.h>
+#include "amdgpu.h"
+
+#define RAS_DEV_ERR(device, fmt, ...)                                               \
+	do {                                                                      \
+		if (device)                                                             \
+			dev_err(((struct amdgpu_device *)device)->dev, fmt, ##__VA_ARGS__); \
+		else                                                                  \
+			printk(KERN_ERR fmt, ##__VA_ARGS__);                              \
+	} while (0)
+
+#define RAS_DEV_WARN(device, fmt, ...)                                               \
+	do {                                                                       \
+		if (device)                                                              \
+			dev_warn(((struct amdgpu_device *)device)->dev, fmt, ##__VA_ARGS__); \
+		else                                                                   \
+			printk(KERN_WARNING fmt, ##__VA_ARGS__);                           \
+	} while (0)
+
+#define RAS_DEV_WARN_RATELIMITED(device, fmt, ...)                                   \
+	do {                                                                       \
+		if (device)                                                              \
+			dev_warn_ratelimited(((struct amdgpu_device *)device)->dev,        \
+				fmt, ##__VA_ARGS__);                                            \
+		else                                                                   \
+			printk_ratelimited(KERN_WARNING fmt, ##__VA_ARGS__);               \
+	} while (0)
+
+#define RAS_DEV_INFO(device, fmt, ...)                                                 \
+	do {                                                                         \
+		if (device)                                                                \
+			dev_info(((struct amdgpu_device *)device)->dev, fmt, ##__VA_ARGS__);   \
+		else                                                                     \
+			printk(KERN_INFO fmt, ##__VA_ARGS__);                                \
+	} while (0)
+
+#define RAS_DEV_DBG(device, fmt, ...)                                                  \
+	do {                                                                         \
+		if (device)                                                                \
+			dev_dbg(((struct amdgpu_device *)device)->dev, fmt, ##__VA_ARGS__);    \
+		else                                                                     \
+			printk(KERN_DEBUG fmt, ##__VA_ARGS__);                               \
+	} while (0)
+
+#define RAS_INFO(fmt, ...)  printk(KERN_INFO fmt, ##__VA_ARGS__)
+
+#define RAS_DEV_RREG32_SOC15(dev, ip, inst, reg) \
+({ \
+	struct amdgpu_device *adev = (struct amdgpu_device *)dev; \
+	__RREG32_SOC15_RLC__(adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg, \
+			 0, ip##_HWIP, inst); \
+})
+
+#define RAS_DEV_WREG32_SOC15(dev, ip, inst, reg, value) \
+({ \
+	struct amdgpu_device *adev = (struct amdgpu_device *)dev; \
+	__WREG32_SOC15_RLC__((adev->reg_offset[ip##_HWIP][inst][reg##_BASE_IDX] + reg), \
+			  value, 0, ip##_HWIP, inst); \
+})
+
+/* GET_INST returns the physical instance corresponding to a logical instance */
+#define RAS_GET_INST(dev, ip, inst) \
+({ \
+	struct amdgpu_device *adev = (struct amdgpu_device *)dev; \
+	adev->ip_map.logical_to_dev_inst ? \
+		adev->ip_map.logical_to_dev_inst(adev, ip##_HWIP, inst) : inst; \
+})
+
+#define RAS_GET_MASK(dev, ip, mask) \
+({ \
+	struct amdgpu_device *adev = (struct amdgpu_device *)dev; \
+	(adev->ip_map.logical_to_dev_mask ? \
+		adev->ip_map.logical_to_dev_mask(adev, ip##_HWIP, mask) : mask); \
+})
+
+static inline void *ras_radix_tree_delete_iter(struct radix_tree_root *root, void *iter)
+{
+	return radix_tree_delete(root, ((struct radix_tree_iter *)iter)->index);
+}
+
+static inline long ras_wait_event_interruptible_timeout(void *wq_head,
+			int (*condition)(void *param), void *param, unsigned int timeout)
+{
+	return wait_event_interruptible_timeout(*(wait_queue_head_t *)wq_head,
+				condition(param), timeout);
+}
+
+extern const struct ras_sys_func amdgpu_ras_sys_fn;
+
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/Makefile

@@ -0,0 +1,45 @@
+#
+# Copyright 2025 Advanced Micro Devices, Inc.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+#
+RAS_CORE_FILES = ras_core.o \
+			ras_mp1.o \
+			ras_mp1_v13_0.o \
+			ras_aca.o  \
+			ras_aca_v1_0.o \
+			ras_eeprom.o \
+			ras_umc.o \
+			ras_umc_v12_0.o \
+			ras_cmd.o \
+			ras_gfx.o \
+			ras_gfx_v9_0.o \
+			ras_process.o \
+			ras_nbio.o \
+			ras_nbio_v7_9.o \
+			ras_log_ring.o \
+			ras_cper.o \
+			ras_psp.o \
+			ras_psp_v13_0.o \
+			ras_eeprom_fw.o
+
+
+RAS_CORE = $(addprefix $(AMD_GPU_RAS_PATH)/rascore/,$(RAS_CORE_FILES))
+
+AMD_GPU_RAS_FILES += $(RAS_CORE)

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras.h

@@ -0,0 +1,401 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __RAS_H__
+#define __RAS_H__
+#include "ras_sys.h"
+#include "ras_umc.h"
+#include "ras_aca.h"
+#include "ras_eeprom.h"
+#include "ras_core_status.h"
+#include "ras_process.h"
+#include "ras_gfx.h"
+#include "ras_cmd.h"
+#include "ras_nbio.h"
+#include "ras_mp1.h"
+#include "ras_psp.h"
+#include "ras_log_ring.h"
+#include "ras_eeprom_fw.h"
+
+#define RAS_HW_ERR		"[Hardware Error]: "
+
+#define RAS_GPU_PAGE_SHIFT  12
+#define RAS_ADDR_TO_PFN(addr) ((addr) >> RAS_GPU_PAGE_SHIFT)
+#define RAS_PFN_TO_ADDR(pfn) ((pfn) << RAS_GPU_PAGE_SHIFT)
+
+#define RAS_CORE_RESET_GPU 0x10000
+
+#define GPU_RESET_CAUSE_POISON  (RAS_CORE_RESET_GPU | 0x0001)
+#define GPU_RESET_CAUSE_FATAL   (RAS_CORE_RESET_GPU | 0x0002)
+#define GPU_RESET_CAUSE_RMA     (RAS_CORE_RESET_GPU | 0x0004)
+
+enum ras_gpu_health_status {
+	RAS_GPU_HEALTH_NONE = 0,
+	RAS_GPU_HEALTH_USABLE = 1,
+	RAS_GPU_RETIRED__ECC_REACH_THRESHOLD = 2,
+	RAS_GPU_IN_BAD_STATUS = 3,
+};
+
+enum ras_core_fw_feature_flags {
+	RAS_CORE_FW_FEATURE_BIT__RAS_EEPROM = BIT_ULL(0),
+};
+
+enum ras_block_id {
+	RAS_BLOCK_ID__UMC = 0,
+	RAS_BLOCK_ID__SDMA,
+	RAS_BLOCK_ID__GFX,
+	RAS_BLOCK_ID__MMHUB,
+	RAS_BLOCK_ID__ATHUB,
+	RAS_BLOCK_ID__PCIE_BIF,
+	RAS_BLOCK_ID__HDP,
+	RAS_BLOCK_ID__XGMI_WAFL,
+	RAS_BLOCK_ID__DF,
+	RAS_BLOCK_ID__SMN,
+	RAS_BLOCK_ID__SEM,
+	RAS_BLOCK_ID__MP0,
+	RAS_BLOCK_ID__MP1,
+	RAS_BLOCK_ID__FUSE,
+	RAS_BLOCK_ID__MCA,
+	RAS_BLOCK_ID__VCN,
+	RAS_BLOCK_ID__JPEG,
+	RAS_BLOCK_ID__IH,
+	RAS_BLOCK_ID__MPIO,
+
+	RAS_BLOCK_ID__LAST
+};
+
+enum ras_ecc_err_type {
+	RAS_ECC_ERR__NONE                = 0,
+	RAS_ECC_ERR__PARITY              = 1,
+	RAS_ECC_ERR__SINGLE_CORRECTABLE  = 2,
+	RAS_ECC_ERR__MULTI_UNCORRECTABLE = 4,
+	RAS_ECC_ERR__POISON              = 8,
+};
+
+enum ras_err_type {
+	RAS_ERR_TYPE__UE = 0,
+	RAS_ERR_TYPE__CE,
+	RAS_ERR_TYPE__DE,
+	RAS_ERR_TYPE__LAST
+};
+
+enum ras_seqno_type {
+	RAS_SEQNO_TYPE_INVALID = 0,
+	RAS_SEQNO_TYPE_UE,
+	RAS_SEQNO_TYPE_CE,
+	RAS_SEQNO_TYPE_DE,
+	RAS_SEQNO_TYPE_POISON_CONSUMPTION,
+	RAS_SEQNO_TYPE_COUNT_MAX,
+};
+
+enum ras_seqno_fifo {
+	SEQNO_FIFO_INVALID = 0,
+	SEQNO_FIFO_POISON_CREATION,
+	SEQNO_FIFO_POISON_CONSUMPTION,
+	SEQNO_FIFO_COUNT_MAX
+};
+
+enum ras_notify_event {
+	RAS_EVENT_ID__NONE,
+	RAS_EVENT_ID__BAD_PAGE_DETECTED,
+	RAS_EVENT_ID__POISON_CONSUMPTION,
+	RAS_EVENT_ID__RESERVE_BAD_PAGE,
+	RAS_EVENT_ID__DEVICE_RMA,
+	RAS_EVENT_ID__UPDATE_BAD_PAGE_NUM,
+	RAS_EVENT_ID__UPDATE_BAD_CHANNEL_BITMAP,
+	RAS_EVENT_ID__FATAL_ERROR_DETECTED,
+	RAS_EVENT_ID__RESET_GPU,
+	RAS_EVENT_ID__RESET_VF,
+	RAS_EVENT_ID__RAS_EVENT_PROC_BEGIN,
+	RAS_EVENT_ID__RAS_EVENT_PROC_END,
+};
+
+enum ras_gpu_status {
+	RAS_GPU_STATUS__NOT_READY = 0,
+	RAS_GPU_STATUS__READY = 0x1,
+	RAS_GPU_STATUS__IN_RESET = 0x2,
+	RAS_GPU_STATUS__IS_RMA = 0x4,
+	RAS_GPU_STATUS__IS_VF = 0x8,
+};
+
+enum ras_fw_eeprom_cmd {
+	RAS_SMU_GetRASTableVersion = 0,
+	RAS_SMU_GetBadPageCount,
+	RAS_SMU_SetTimestamp,
+	RAS_SMU_GetTimestamp,
+	RAS_SMU_GetBadPageIpid,
+	RAS_SMU_EraseRasTable,
+	RAS_SMU_GetBadPageMcaAddr,
+};
+
+struct ras_core_context;
+struct ras_bank_ecc;
+struct ras_umc;
+struct ras_aca;
+struct ras_process;
+struct ras_nbio;
+struct ras_log_ring;
+struct ras_psp;
+
+struct ras_mp1_sys_func {
+	int (*mp1_get_valid_bank_count)(struct ras_core_context *ras_core,
+			u32 msg, u32 *count);
+	int (*mp1_dump_valid_bank)(struct ras_core_context *ras_core,
+			u32 msg, u32 idx, u32 reg_idx, u64 *val);
+	int (*mp1_send_eeprom_msg)(struct ras_core_context *ras_core,
+			enum ras_fw_eeprom_cmd index, uint32_t param, uint32_t *read_arg);
+	int (*mp1_get_ras_enabled_mask)(struct ras_core_context *ras_core,
+			uint64_t *enabled_mask);
+};
+
+struct ras_eeprom_sys_func {
+	int (*eeprom_i2c_xfer)(struct ras_core_context *ras_core,
+			u32 eeprom_addr, u8 *eeprom_buf, u32 buf_size, bool read);
+	int (*update_eeprom_i2c_config)(struct ras_core_context *ras_core);
+};
+
+struct ras_nbio_sys_func {
+	int (*set_ras_controller_irq_state)(struct ras_core_context *ras_core,
+			bool state);
+	int (*set_ras_err_event_athub_irq_state)(struct ras_core_context *ras_core,
+			bool state);
+};
+
+struct ras_time {
+	int tm_sec;
+	int tm_min;
+	int tm_hour;
+	int tm_mday;
+	int tm_mon;
+	long tm_year;
+};
+
+struct device_system_info {
+	uint32_t device_id;
+	uint32_t vendor_id;
+	uint32_t socket_id;
+};
+
+enum gpu_mem_type {
+	GPU_MEM_TYPE_DEFAULT,
+	GPU_MEM_TYPE_RAS_PSP_RING,
+	GPU_MEM_TYPE_RAS_PSP_CMD,
+	GPU_MEM_TYPE_RAS_PSP_FENCE,
+	GPU_MEM_TYPE_RAS_TA_FW,
+	GPU_MEM_TYPE_RAS_TA_CMD,
+};
+
+struct ras_psp_sys_func {
+	int (*get_ras_psp_system_status)(struct ras_core_context *ras_core,
+		struct ras_psp_sys_status *status);
+	int (*get_ras_ta_init_param)(struct ras_core_context *ras_core,
+		struct ras_ta_init_param *ras_ta_param);
+};
+
+struct ras_sys_func {
+	int (*gpu_reset_lock)(struct ras_core_context *ras_core,
+			bool down, bool try);
+	int (*check_gpu_status)(struct ras_core_context *ras_core,
+			uint32_t *status);
+	int (*gen_seqno)(struct ras_core_context *ras_core,
+			enum ras_seqno_type seqno_type, uint64_t *seqno);
+	int (*async_handle_ras_event)(struct ras_core_context *ras_core, void *data);
+	int (*ras_notifier)(struct ras_core_context *ras_core,
+		    enum ras_notify_event event_id, void *data);
+	u64 (*get_utc_second_timestamp)(struct ras_core_context *ras_core);
+	int (*get_device_system_info)(struct ras_core_context *ras_core,
+			struct device_system_info *dev_info);
+	bool (*detect_ras_interrupt)(struct ras_core_context *ras_core);
+	int (*get_gpu_mem)(struct ras_core_context *ras_core,
+		enum gpu_mem_type mem_type, struct gpu_mem_block *gpu_mem);
+	int (*put_gpu_mem)(struct ras_core_context *ras_core,
+		enum gpu_mem_type mem_type, struct gpu_mem_block *gpu_mem);
+};
+
+struct ras_ecc_count {
+	uint64_t new_ce_count;
+	uint64_t total_ce_count;
+	uint64_t new_ue_count;
+	uint64_t total_ue_count;
+	uint64_t new_de_count;
+	uint64_t total_de_count;
+};
+
+struct ras_bank_ecc {
+	uint32_t nps;
+	uint64_t seq_no;
+	uint64_t status;
+	uint64_t ipid;
+	uint64_t addr;
+	uint64_t ts;
+};
+
+struct ras_bank_ecc_node {
+	struct list_head node;
+	struct ras_bank_ecc ecc;
+};
+
+struct ras_aca_config {
+	u32 socket_num_per_hive;
+	u32 aid_num_per_socket;
+	u32 xcd_num_per_aid;
+};
+
+struct ras_mp1_config {
+	const struct ras_mp1_sys_func *mp1_sys_fn;
+};
+
+struct ras_nbio_config {
+	const struct ras_nbio_sys_func *nbio_sys_fn;
+};
+
+struct ras_psp_config {
+	const struct ras_psp_sys_func *psp_sys_fn;
+};
+
+struct ras_umc_config {
+	uint32_t umc_vram_type;
+};
+
+struct ras_eeprom_config {
+	const struct ras_eeprom_sys_func *eeprom_sys_fn;
+	int eeprom_record_threshold_config;
+	uint32_t eeprom_record_threshold_count;
+	void *eeprom_i2c_adapter;
+	u32 eeprom_i2c_addr;
+	u32 eeprom_i2c_port;
+	u16 max_i2c_read_len;
+	u16 max_i2c_write_len;
+};
+
+struct ras_core_config {
+	u32 aca_ip_version;
+	u32 umc_ip_version;
+	u32 mp1_ip_version;
+	u32 gfx_ip_version;
+	u32 nbio_ip_version;
+	u32 psp_ip_version;
+
+	bool poison_supported;
+	bool ras_eeprom_supported;
+	const struct ras_sys_func *sys_fn;
+
+	struct ras_aca_config aca_cfg;
+	struct ras_mp1_config mp1_cfg;
+	struct ras_nbio_config nbio_cfg;
+	struct ras_psp_config psp_cfg;
+	struct ras_eeprom_config eeprom_cfg;
+	struct ras_umc_config umc_cfg;
+};
+
+struct ras_core_context {
+	void *dev;
+	struct ras_core_config *config;
+	u32 socket_num_per_hive;
+	u32 aid_num_per_socket;
+	u32 xcd_num_per_aid;
+	int max_ue_banks_per_query;
+	int max_ce_banks_per_query;
+	struct ras_aca ras_aca;
+
+	bool ras_eeprom_supported;
+	struct ras_eeprom_control ras_eeprom;
+	struct ras_fw_eeprom_control ras_fw_eeprom;
+
+	struct ras_psp ras_psp;
+	struct ras_umc ras_umc;
+	struct ras_nbio ras_nbio;
+	struct ras_gfx ras_gfx;
+	struct ras_mp1 ras_mp1;
+	struct ras_process ras_proc;
+	struct ras_log_ring ras_log_ring;
+
+	const struct ras_sys_func *sys_fn;
+
+	/* is poison mode supported */
+	bool poison_supported;
+
+	bool is_rma;
+	bool is_initialized;
+
+	struct kfifo de_seqno_fifo;
+	struct kfifo consumption_seqno_fifo;
+	spinlock_t seqno_lock;
+
+	bool ras_core_enabled;
+
+	u64 ras_fw_features;
+};
+
+struct ras_core_context *ras_core_create(struct ras_core_config *init_config);
+void ras_core_destroy(struct ras_core_context *ras_core);
+int ras_core_sw_init(struct ras_core_context *ras_core);
+int ras_core_sw_fini(struct ras_core_context *ras_core);
+int ras_core_hw_init(struct ras_core_context *ras_core);
+int ras_core_hw_fini(struct ras_core_context *ras_core);
+bool ras_core_is_ready(struct ras_core_context *ras_core);
+uint64_t ras_core_gen_seqno(struct ras_core_context *ras_core,
+			enum ras_seqno_type seqno_type);
+uint64_t ras_core_get_seqno(struct ras_core_context *ras_core,
+			enum ras_seqno_type seqno_type, bool pop);
+
+int ras_core_put_seqno(struct ras_core_context *ras_core,
+		enum ras_seqno_type seqno_type, uint64_t seqno);
+
+int ras_core_update_ecc_info(struct ras_core_context *ras_core);
+int ras_core_query_block_ecc_data(struct ras_core_context *ras_core,
+		enum ras_block_id block, struct ras_ecc_count *ecc_count);
+
+bool ras_core_gpu_in_reset(struct ras_core_context *ras_core);
+bool ras_core_gpu_is_rma(struct ras_core_context *ras_core);
+bool ras_core_gpu_is_vf(struct ras_core_context *ras_core);
+bool ras_core_handle_nbio_irq(struct ras_core_context *ras_core, void *data);
+int ras_core_handle_fatal_error(struct ras_core_context *ras_core);
+
+uint32_t ras_core_get_curr_nps_mode(struct ras_core_context *ras_core);
+const char *ras_core_get_ras_block_name(enum ras_block_id block_id);
+int ras_core_convert_timestamp_to_time(struct ras_core_context *ras_core,
+			uint64_t timestamp, struct ras_time *tm);
+
+int ras_core_set_status(struct ras_core_context *ras_core, bool enable);
+bool ras_core_is_enabled(struct ras_core_context *ras_core);
+uint64_t ras_core_get_utc_second_timestamp(struct ras_core_context *ras_core);
+int ras_core_translate_soc_pa_and_bank(struct ras_core_context *ras_core,
+	uint64_t *soc_pa, struct umc_bank_addr *bank_addr, bool bank_to_pa);
+bool ras_core_ras_interrupt_detected(struct ras_core_context *ras_core);
+int ras_core_get_gpu_mem(struct ras_core_context *ras_core,
+		enum gpu_mem_type mem_type, struct gpu_mem_block *gpu_mem);
+int ras_core_put_gpu_mem(struct ras_core_context *ras_core,
+		enum gpu_mem_type mem_type, struct gpu_mem_block *gpu_mem);
+bool ras_core_check_safety_watermark(struct ras_core_context *ras_core);
+int ras_core_down_trylock_gpu_reset_lock(struct ras_core_context *ras_core);
+void ras_core_down_gpu_reset_lock(struct ras_core_context *ras_core);
+void ras_core_up_gpu_reset_lock(struct ras_core_context *ras_core);
+int ras_core_event_notify(struct ras_core_context *ras_core,
+		enum ras_notify_event event_id, void *data);
+int ras_core_get_device_system_info(struct ras_core_context *ras_core,
+		struct device_system_info *dev_info);
+int ras_core_convert_soc_pa_to_cur_nps_pages(struct ras_core_context *ras_core,
+		uint64_t soc_pa, uint64_t *page_pfn, uint32_t max_pages);
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_aca.c

@@ -0,0 +1,683 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "ras.h"
+#include "ras_aca.h"
+#include "ras_aca_v1_0.h"
+#include "ras_mp1_v13_0.h"
+
+#define ACA_MARK_FATAL_FLAG    0x100
+#define ACA_MARK_UE_READ_FLAG  0x1
+
+#define blk_name(block_id) ras_core_get_ras_block_name(block_id)
+
+static struct aca_regs_dump {
+	const char *name;
+	int reg_idx;
+} aca_regs[] = {
+	{"CONTROL",		ACA_REG_IDX__CTL},
+	{"STATUS",		ACA_REG_IDX__STATUS},
+	{"ADDR",		ACA_REG_IDX__ADDR},
+	{"MISC",		ACA_REG_IDX__MISC0},
+	{"CONFIG",		ACA_REG_IDX__CONFG},
+	{"IPID",		ACA_REG_IDX__IPID},
+	{"SYND",		ACA_REG_IDX__SYND},
+	{"DESTAT",		ACA_REG_IDX__DESTAT},
+	{"DEADDR",		ACA_REG_IDX__DEADDR},
+	{"CONTROL_MASK",	ACA_REG_IDX__CTL_MASK},
+};
+
+
+static void aca_report_ecc_info(struct ras_core_context *ras_core,
+				u64 seq_no, u32 blk, u32 skt, u32 aid,
+				struct aca_aid_ecc *aid_ecc,
+				struct aca_bank_ecc *new_ecc)
+{
+	struct aca_ecc_count ecc_count = {0};
+
+	ecc_count.new_ue_count = new_ecc->ue_count;
+	ecc_count.new_de_count = new_ecc->de_count;
+	ecc_count.new_ce_count = new_ecc->ce_count;
+	if (blk == RAS_BLOCK_ID__GFX) {
+		struct aca_ecc_count *xcd_ecc;
+		int xcd_id;
+
+		for (xcd_id = 0; xcd_id < aid_ecc->xcd.xcd_num; xcd_id++) {
+			xcd_ecc = &aid_ecc->xcd.xcd[xcd_id].ecc_err;
+			ecc_count.total_ue_count += xcd_ecc->total_ue_count;
+			ecc_count.total_de_count += xcd_ecc->total_de_count;
+			ecc_count.total_ce_count += xcd_ecc->total_ce_count;
+		}
+	} else {
+		ecc_count.total_ue_count = aid_ecc->ecc_err.total_ue_count;
+		ecc_count.total_de_count = aid_ecc->ecc_err.total_de_count;
+		ecc_count.total_ce_count = aid_ecc->ecc_err.total_ce_count;
+	}
+
+	if (ecc_count.new_ue_count) {
+		RAS_DEV_INFO(ras_core->dev,
+		"{%llu} socket: %d, die: %d, %u new uncorrectable hardware errors detected in %s block\n",
+			seq_no, skt, aid, ecc_count.new_ue_count, blk_name(blk));
+		RAS_DEV_INFO(ras_core->dev,
+		"{%llu} socket: %d, die: %d, %u uncorrectable hardware errors detected in total in %s block\n",
+			seq_no, skt, aid, ecc_count.total_ue_count, blk_name(blk));
+	}
+
+	if (ecc_count.new_de_count) {
+		RAS_DEV_INFO(ras_core->dev,
+		"{%llu} socket: %d, die: %d, %u new %s detected in %s block\n",
+			seq_no, skt, aid, ecc_count.new_de_count,
+			(blk == RAS_BLOCK_ID__UMC) ?
+				"deferred hardware errors" : "poison consumption",
+			blk_name(blk));
+		RAS_DEV_INFO(ras_core->dev,
+		"{%llu} socket: %d, die: %d, %u %s detected in total in %s block\n",
+			seq_no, skt, aid, ecc_count.total_de_count,
+			(blk == RAS_BLOCK_ID__UMC) ?
+				"deferred hardware errors" : "poison consumption",
+			blk_name(blk));
+	}
+
+	if (ecc_count.new_ce_count) {
+		RAS_DEV_INFO(ras_core->dev,
+		"{%llu} socket: %d, die: %d, %u new correctable hardware errors detected in %s block\n",
+			seq_no, skt, aid, ecc_count.new_ce_count, blk_name(blk));
+		RAS_DEV_INFO(ras_core->dev,
+		"{%llu} socket: %d, die: %d, %u correctable hardware errors detected in total in %s block\n",
+			seq_no, skt, aid, ecc_count.total_ce_count, blk_name(blk));
+	}
+}
+
+static void aca_bank_log(struct ras_core_context *ras_core,
+			 int idx, int total, struct aca_bank_reg *bank,
+			 struct aca_bank_ecc *bank_ecc)
+{
+	int i;
+
+	RAS_DEV_INFO(ras_core->dev,
+		"{%llu}" RAS_HW_ERR "Accelerator Check Architecture events logged\n",
+		bank->seq_no);
+	/* plus 1 for output format, e.g: ACA[08/08]: xxxx */
+	for (i = 0; i < ARRAY_SIZE(aca_regs); i++)
+		RAS_DEV_INFO(ras_core->dev,
+			"{%llu}" RAS_HW_ERR "ACA[%02d/%02d].%s=0x%016llx\n",
+			bank->seq_no, idx + 1, total,
+			aca_regs[i].name, bank->regs[aca_regs[i].reg_idx]);
+}
+
+static void aca_log_bank_data(struct ras_core_context *ras_core,
+			struct aca_bank_reg *bank, struct aca_bank_ecc *bank_ecc,
+			struct ras_log_batch_tag *batch)
+{
+	if (bank_ecc->ue_count)
+		ras_log_ring_add_log_event(ras_core, RAS_LOG_EVENT_UE, bank->regs, batch);
+	else if (bank_ecc->de_count)
+		ras_log_ring_add_log_event(ras_core, RAS_LOG_EVENT_DE, bank->regs, batch);
+	else
+		ras_log_ring_add_log_event(ras_core, RAS_LOG_EVENT_CE, bank->regs, batch);
+}
+
+static int aca_get_bank_count(struct ras_core_context *ras_core,
+			      enum ras_err_type type, u32 *count)
+{
+	return ras_mp1_get_bank_count(ras_core, type, count);
+}
+
+static bool aca_match_bank(struct aca_block *aca_blk, struct aca_bank_reg *bank)
+{
+	const struct aca_bank_hw_ops *bank_ops;
+
+	if (!aca_blk->blk_info)
+		return false;
+
+	bank_ops = &aca_blk->blk_info->bank_ops;
+	if (!bank_ops->bank_match)
+		return false;
+
+	return bank_ops->bank_match(aca_blk, bank);
+}
+
+static int aca_parse_bank(struct ras_core_context *ras_core,
+			  struct aca_block *aca_blk,
+			  struct aca_bank_reg *bank,
+			  struct aca_bank_ecc *ecc)
+{
+	const struct aca_bank_hw_ops *bank_ops = &aca_blk->blk_info->bank_ops;
+
+	if (!bank_ops || !bank_ops->bank_parse)
+		return -RAS_CORE_NOT_SUPPORTED;
+
+	return bank_ops->bank_parse(ras_core, aca_blk, bank, ecc);
+}
+
+static int aca_check_block_ecc_info(struct ras_core_context *ras_core,
+			struct aca_block *aca_blk, struct aca_ecc_info *info)
+{
+	if (info->socket_id >= aca_blk->ecc.socket_num_per_hive) {
+		RAS_DEV_ERR(ras_core->dev,
+			"Socket id (%d) is out of config! max:%u\n",
+			info->socket_id, aca_blk->ecc.socket_num_per_hive);
+		return -ENODATA;
+	}
+
+	if (info->die_id >= aca_blk->ecc.socket[info->socket_id].aid_num) {
+		RAS_DEV_ERR(ras_core->dev,
+			"Die id (%d) is out of config! max:%u\n",
+			info->die_id, aca_blk->ecc.socket[info->socket_id].aid_num);
+		return -ENODATA;
+	}
+
+	if ((aca_blk->blk_info->ras_block_id == RAS_BLOCK_ID__GFX) &&
+	    (info->xcd_id >=
+		 aca_blk->ecc.socket[info->socket_id].aid[info->die_id].xcd.xcd_num)) {
+		RAS_DEV_ERR(ras_core->dev,
+			"Xcd id (%d) is out of config! max:%u\n",
+			info->xcd_id,
+			aca_blk->ecc.socket[info->socket_id].aid[info->die_id].xcd.xcd_num);
+		return -ENODATA;
+	}
+
+	return 0;
+}
+
+static int aca_log_bad_bank(struct ras_core_context *ras_core,
+				 struct aca_block *aca_blk, struct aca_bank_reg *bank,
+				 struct aca_bank_ecc *bank_ecc)
+{
+	struct aca_ecc_info *info;
+	struct aca_ecc_count *ecc_err;
+	struct aca_aid_ecc *aid_ecc;
+	int ret;
+
+	info = &bank_ecc->bank_info;
+
+	ret = aca_check_block_ecc_info(ras_core, aca_blk, info);
+	if (ret)
+		return ret;
+
+	mutex_lock(&ras_core->ras_aca.aca_lock);
+	aid_ecc = &aca_blk->ecc.socket[info->socket_id].aid[info->die_id];
+	if (aca_blk->blk_info->ras_block_id == RAS_BLOCK_ID__GFX)
+		ecc_err = &aid_ecc->xcd.xcd[info->xcd_id].ecc_err;
+	else
+		ecc_err = &aid_ecc->ecc_err;
+
+	ecc_err->new_ce_count += bank_ecc->ce_count;
+	ecc_err->total_ce_count += bank_ecc->ce_count;
+	ecc_err->new_ue_count += bank_ecc->ue_count;
+	ecc_err->total_ue_count += bank_ecc->ue_count;
+	ecc_err->new_de_count += bank_ecc->de_count;
+	ecc_err->total_de_count += bank_ecc->de_count;
+	mutex_unlock(&ras_core->ras_aca.aca_lock);
+
+	if ((aca_blk->blk_info->ras_block_id == RAS_BLOCK_ID__UMC) &&
+	    bank_ecc->de_count) {
+		struct ras_bank_ecc  ras_ecc = {0};
+
+		if (ras_fw_eeprom_supported(ras_core)) {
+			ret = ras_fw_eeprom_update_record(ras_core, &ras_ecc);
+			if (!ret) {
+				ras_ecc.nps = ras_core_get_curr_nps_mode(ras_core);
+				ras_ecc.status = bank_ecc->bank_info.status;
+				ras_ecc.seq_no = bank->seq_no;
+			}
+		} else {
+			ras_ecc.nps = ras_core_get_curr_nps_mode(ras_core);
+			ras_ecc.addr = bank_ecc->bank_info.addr;
+			ras_ecc.ipid = bank_ecc->bank_info.ipid;
+			ras_ecc.status = bank_ecc->bank_info.status;
+			ras_ecc.seq_no = bank->seq_no;
+		}
+
+		if (!ret) {
+			if (ras_core_gpu_in_reset(ras_core))
+				ras_umc_log_bad_bank_pending(ras_core, &ras_ecc);
+			else
+				ras_umc_log_bad_bank(ras_core, &ras_ecc);
+		}
+	}
+
+	aca_report_ecc_info(ras_core,
+		bank->seq_no, aca_blk->blk_info->ras_block_id, info->socket_id, info->die_id,
+		&aca_blk->ecc.socket[info->socket_id].aid[info->die_id], bank_ecc);
+
+	return 0;
+}
+
+static struct aca_block *aca_get_bank_aca_block(struct ras_core_context *ras_core,
+				struct aca_bank_reg *bank)
+{
+	int i = 0;
+
+	for (i = 0; i < RAS_BLOCK_ID__LAST; i++)
+		if (aca_match_bank(&ras_core->ras_aca.aca_blk[i], bank))
+			return &ras_core->ras_aca.aca_blk[i];
+
+	return NULL;
+}
+
+static int aca_dump_bank(struct ras_core_context *ras_core, u32 ecc_type,
+			 int idx, void *data)
+{
+	struct aca_bank_reg *bank = (struct aca_bank_reg *)data;
+	int i, ret, reg_cnt;
+
+	reg_cnt = min_t(int, 16, ARRAY_SIZE(bank->regs));
+	for (i = 0; i < reg_cnt; i++) {
+		ret = ras_mp1_dump_bank(ras_core, ecc_type, idx, i, &bank->regs[i]);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+static uint64_t aca_get_bank_seqno(struct ras_core_context *ras_core,
+				enum ras_err_type err_type, struct aca_block *aca_blk,
+				struct aca_bank_ecc *bank_ecc)
+{
+	uint64_t seq_no = 0;
+
+	if (bank_ecc->de_count) {
+		if (aca_blk->blk_info->ras_block_id == RAS_BLOCK_ID__UMC)
+			seq_no = ras_core_get_seqno(ras_core, RAS_SEQNO_TYPE_DE, true);
+		else
+			seq_no = ras_core_get_seqno(ras_core,
+					RAS_SEQNO_TYPE_POISON_CONSUMPTION, true);
+	} else if (bank_ecc->ue_count) {
+		seq_no = ras_core_get_seqno(ras_core, RAS_SEQNO_TYPE_UE, true);
+	} else {
+		seq_no = ras_core_get_seqno(ras_core, RAS_SEQNO_TYPE_CE, true);
+	}
+
+	return seq_no;
+}
+
+static bool aca_dup_update_ue_in_fatal(struct ras_core_context *ras_core,
+				u32 ecc_type)
+{
+	struct ras_aca *aca = &ras_core->ras_aca;
+
+	if (ecc_type != RAS_ERR_TYPE__UE)
+		return false;
+
+	if (aca->ue_updated_mark & ACA_MARK_FATAL_FLAG) {
+		if (aca->ue_updated_mark & ACA_MARK_UE_READ_FLAG)
+			return true;
+
+		aca->ue_updated_mark |= ACA_MARK_UE_READ_FLAG;
+	}
+
+	return false;
+}
+
+void ras_aca_mark_fatal_flag(struct ras_core_context *ras_core)
+{
+	struct ras_aca *aca = &ras_core->ras_aca;
+
+	if (!aca)
+		return;
+
+	aca->ue_updated_mark |= ACA_MARK_FATAL_FLAG;
+}
+
+void ras_aca_clear_fatal_flag(struct ras_core_context *ras_core)
+{
+	struct ras_aca *aca = &ras_core->ras_aca;
+
+	if (!aca)
+		return;
+
+	if ((aca->ue_updated_mark & ACA_MARK_FATAL_FLAG) &&
+		(aca->ue_updated_mark & ACA_MARK_UE_READ_FLAG))
+		aca->ue_updated_mark = 0;
+}
+
+static int aca_banks_update(struct ras_core_context *ras_core,
+			u32 ecc_type, void *data)
+{
+	struct aca_bank_reg bank;
+	struct aca_block *aca_blk;
+	struct aca_bank_ecc bank_ecc;
+	struct ras_log_batch_tag *batch_tag = NULL;
+	u32 count = 0;
+	int ret = 0;
+	int i;
+
+	mutex_lock(&ras_core->ras_aca.bank_op_lock);
+
+	if (aca_dup_update_ue_in_fatal(ras_core, ecc_type))
+		goto out;
+
+	ret = aca_get_bank_count(ras_core, ecc_type, &count);
+	if (ret)
+		goto out;
+
+	if (!count)
+		goto out;
+
+	batch_tag = ras_log_ring_create_batch_tag(ras_core);
+	for (i = 0; i < count; i++) {
+		memset(&bank, 0, sizeof(bank));
+		ret = aca_dump_bank(ras_core, ecc_type, i, &bank);
+		if (ret)
+			break;
+
+		bank.ecc_type = ecc_type;
+
+		memset(&bank_ecc, 0, sizeof(bank_ecc));
+		aca_blk = aca_get_bank_aca_block(ras_core, &bank);
+		if (aca_blk)
+			ret = aca_parse_bank(ras_core, aca_blk, &bank, &bank_ecc);
+
+		bank.seq_no = aca_get_bank_seqno(ras_core, ecc_type, aca_blk, &bank_ecc);
+
+		aca_log_bank_data(ras_core, &bank, &bank_ecc, batch_tag);
+		aca_bank_log(ras_core, i, count, &bank, &bank_ecc);
+
+		if (!ret && aca_blk)
+			ret = aca_log_bad_bank(ras_core, aca_blk, &bank, &bank_ecc);
+
+		if (ret)
+			break;
+	}
+	ras_log_ring_destroy_batch_tag(ras_core, batch_tag);
+
+out:
+	mutex_unlock(&ras_core->ras_aca.bank_op_lock);
+	return ret;
+}
+
+int ras_aca_update_ecc(struct ras_core_context *ras_core, u32 type, void *data)
+{
+	/* Update aca bank to aca source error_cache first */
+	return aca_banks_update(ras_core, type, data);
+}
+
+static struct aca_block *ras_aca_get_block_handle(struct ras_core_context *ras_core, uint32_t blk)
+{
+	return &ras_core->ras_aca.aca_blk[blk];
+}
+
+static int ras_aca_clear_block_ecc_count(struct ras_core_context *ras_core, u32 blk)
+{
+	struct aca_block *aca_blk;
+	struct aca_aid_ecc  *aid_ecc;
+	int skt, aid, xcd;
+
+	mutex_lock(&ras_core->ras_aca.aca_lock);
+	aca_blk = ras_aca_get_block_handle(ras_core, blk);
+	for (skt = 0; skt < aca_blk->ecc.socket_num_per_hive; skt++) {
+		for (aid = 0; aid < aca_blk->ecc.socket[skt].aid_num; aid++) {
+			aid_ecc = &aca_blk->ecc.socket[skt].aid[aid];
+			if (blk == RAS_BLOCK_ID__GFX) {
+				for (xcd = 0; xcd < aid_ecc->xcd.xcd_num; xcd++)
+					memset(&aid_ecc->xcd.xcd[xcd],
+						0, sizeof(struct aca_xcd_ecc));
+			} else {
+				memset(&aid_ecc->ecc_err, 0, sizeof(aid_ecc->ecc_err));
+			}
+		}
+	}
+	mutex_unlock(&ras_core->ras_aca.aca_lock);
+
+	return 0;
+}
+
+int ras_aca_clear_all_blocks_ecc_count(struct ras_core_context *ras_core)
+{
+	enum ras_block_id blk;
+	int ret;
+
+	for (blk = RAS_BLOCK_ID__UMC; blk < RAS_BLOCK_ID__LAST; blk++) {
+		ret = ras_aca_clear_block_ecc_count(ras_core, blk);
+		if (ret)
+			break;
+	}
+
+	return ret;
+}
+
+int ras_aca_clear_block_new_ecc_count(struct ras_core_context *ras_core, u32 blk)
+{
+	struct aca_block *aca_blk;
+	int skt, aid, xcd;
+	struct aca_ecc_count *ecc_err;
+	struct aca_aid_ecc  *aid_ecc;
+
+	mutex_lock(&ras_core->ras_aca.aca_lock);
+	aca_blk = ras_aca_get_block_handle(ras_core, blk);
+	for (skt = 0; skt < aca_blk->ecc.socket_num_per_hive; skt++) {
+		for (aid = 0; aid < aca_blk->ecc.socket[skt].aid_num; aid++) {
+			aid_ecc = &aca_blk->ecc.socket[skt].aid[aid];
+			if (blk == RAS_BLOCK_ID__GFX) {
+				for (xcd = 0; xcd < aid_ecc->xcd.xcd_num; xcd++) {
+					ecc_err = &aid_ecc->xcd.xcd[xcd].ecc_err;
+					ecc_err->new_ce_count = 0;
+					ecc_err->new_ue_count = 0;
+					ecc_err->new_de_count = 0;
+				}
+			} else {
+				ecc_err = &aid_ecc->ecc_err;
+				ecc_err->new_ce_count = 0;
+				ecc_err->new_ue_count = 0;
+				ecc_err->new_de_count = 0;
+			}
+		}
+	}
+	mutex_unlock(&ras_core->ras_aca.aca_lock);
+
+	return 0;
+}
+
+static int ras_aca_get_block_each_aid_ecc_count(struct ras_core_context *ras_core,
+						u32 blk, u32 skt, u32 aid, u32 xcd,
+						struct aca_ecc_count *ecc_count)
+{
+	struct aca_block *aca_blk;
+	struct aca_ecc_count *ecc_err;
+
+	aca_blk = ras_aca_get_block_handle(ras_core, blk);
+	if (blk == RAS_BLOCK_ID__GFX)
+		ecc_err = &aca_blk->ecc.socket[skt].aid[aid].xcd.xcd[xcd].ecc_err;
+	else
+		ecc_err = &aca_blk->ecc.socket[skt].aid[aid].ecc_err;
+
+	ecc_count->new_ce_count = ecc_err->new_ce_count;
+	ecc_count->total_ce_count = ecc_err->total_ce_count;
+	ecc_count->new_ue_count = ecc_err->new_ue_count;
+	ecc_count->total_ue_count = ecc_err->total_ue_count;
+	ecc_count->new_de_count = ecc_err->new_de_count;
+	ecc_count->total_de_count = ecc_err->total_de_count;
+
+	return 0;
+}
+
+static inline void _add_ecc_count(struct aca_ecc_count *des, struct aca_ecc_count *src)
+{
+	des->new_ce_count += src->new_ce_count;
+	des->total_ce_count += src->total_ce_count;
+	des->new_ue_count += src->new_ue_count;
+	des->total_ue_count += src->total_ue_count;
+	des->new_de_count += src->new_de_count;
+	des->total_de_count += src->total_de_count;
+}
+
+static const struct ras_aca_ip_func *aca_get_ip_func(
+				struct ras_core_context *ras_core, uint32_t ip_version)
+{
+	switch (ip_version) {
+	case IP_VERSION(1, 0, 0):
+		return &ras_aca_func_v1_0;
+	default:
+		RAS_DEV_ERR(ras_core->dev,
+			"ACA ip version(0x%x) is not supported!\n", ip_version);
+		break;
+	}
+
+	return NULL;
+}
+
+int ras_aca_get_block_ecc_count(struct ras_core_context *ras_core,
+				u32 blk, void *data)
+{
+	struct ras_ecc_count *err_data = (struct ras_ecc_count *)data;
+	struct aca_block *aca_blk;
+	int skt, aid, xcd;
+	struct aca_ecc_count ecc_xcd;
+	struct aca_ecc_count ecc_aid;
+	struct aca_ecc_count ecc;
+
+	if (blk >= RAS_BLOCK_ID__LAST)
+		return -EINVAL;
+
+	if (!err_data)
+		return -EINVAL;
+
+	aca_blk = ras_aca_get_block_handle(ras_core, blk);
+	memset(&ecc, 0, sizeof(ecc));
+
+	mutex_lock(&ras_core->ras_aca.aca_lock);
+	if (blk == RAS_BLOCK_ID__GFX) {
+		for (skt = 0; skt < aca_blk->ecc.socket_num_per_hive; skt++) {
+			for (aid = 0; aid < aca_blk->ecc.socket[skt].aid_num; aid++) {
+				memset(&ecc_aid, 0, sizeof(ecc_aid));
+				for (xcd = 0;
+				     xcd < aca_blk->ecc.socket[skt].aid[aid].xcd.xcd_num;
+				     xcd++) {
+					memset(&ecc_xcd, 0, sizeof(ecc_xcd));
+					if (ras_aca_get_block_each_aid_ecc_count(ras_core,
+							blk, skt, aid, xcd, &ecc_xcd))
+						continue;
+					_add_ecc_count(&ecc_aid, &ecc_xcd);
+				}
+				_add_ecc_count(&ecc, &ecc_aid);
+			}
+		}
+	} else {
+		for (skt = 0; skt < aca_blk->ecc.socket_num_per_hive; skt++) {
+			for (aid = 0; aid < aca_blk->ecc.socket[skt].aid_num; aid++) {
+				memset(&ecc_aid, 0, sizeof(ecc_aid));
+				if (ras_aca_get_block_each_aid_ecc_count(ras_core,
+						blk, skt, aid, 0, &ecc_aid))
+					continue;
+				_add_ecc_count(&ecc, &ecc_aid);
+			}
+		}
+	}
+
+	err_data->new_ce_count = ecc.new_ce_count;
+	err_data->total_ce_count = ecc.total_ce_count;
+	err_data->new_ue_count = ecc.new_ue_count;
+	err_data->total_ue_count = ecc.total_ue_count;
+	err_data->new_de_count = ecc.new_de_count;
+	err_data->total_de_count = ecc.total_de_count;
+	mutex_unlock(&ras_core->ras_aca.aca_lock);
+
+	return 0;
+}
+
+int ras_aca_sw_init(struct ras_core_context *ras_core)
+{
+	struct ras_aca *ras_aca = &ras_core->ras_aca;
+	struct ras_aca_config *aca_cfg = &ras_core->config->aca_cfg;
+	struct aca_block *aca_blk;
+	uint32_t socket_num_per_hive;
+	uint32_t aid_num_per_socket;
+	uint32_t xcd_num_per_aid;
+	int blk, skt, aid;
+
+	socket_num_per_hive = aca_cfg->socket_num_per_hive;
+	aid_num_per_socket = aca_cfg->aid_num_per_socket;
+	xcd_num_per_aid = aca_cfg->xcd_num_per_aid;
+
+	if (!xcd_num_per_aid || !aid_num_per_socket ||
+		(socket_num_per_hive > MAX_SOCKET_NUM_PER_HIVE) ||
+	    (aid_num_per_socket > MAX_AID_NUM_PER_SOCKET) ||
+	    (xcd_num_per_aid > MAX_XCD_NUM_PER_AID)) {
+		RAS_DEV_ERR(ras_core->dev, "Invalid ACA system configuration: %d, %d, %d\n",
+			socket_num_per_hive, aid_num_per_socket, xcd_num_per_aid);
+		return -EINVAL;
+	}
+
+	memset(ras_aca, 0, sizeof(*ras_aca));
+
+	for (blk = 0; blk < RAS_BLOCK_ID__LAST; blk++) {
+		aca_blk = &ras_aca->aca_blk[blk];
+		aca_blk->ecc.socket_num_per_hive = socket_num_per_hive;
+		for (skt = 0; skt < aca_blk->ecc.socket_num_per_hive; skt++) {
+			aca_blk->ecc.socket[skt].aid_num = aid_num_per_socket;
+			if (blk == RAS_BLOCK_ID__GFX) {
+				for (aid = 0; aid < aca_blk->ecc.socket[skt].aid_num; aid++)
+					aca_blk->ecc.socket[skt].aid[aid].xcd.xcd_num =
+								xcd_num_per_aid;
+			}
+		}
+	}
+
+	mutex_init(&ras_aca->aca_lock);
+	mutex_init(&ras_aca->bank_op_lock);
+
+	return 0;
+}
+
+int ras_aca_sw_fini(struct ras_core_context *ras_core)
+{
+	struct ras_aca *ras_aca = &ras_core->ras_aca;
+
+	mutex_destroy(&ras_aca->aca_lock);
+	mutex_destroy(&ras_aca->bank_op_lock);
+
+	return 0;
+}
+
+int ras_aca_hw_init(struct ras_core_context *ras_core)
+{
+	struct ras_aca *ras_aca = &ras_core->ras_aca;
+	struct aca_block *aca_blk;
+	const struct ras_aca_ip_func *ip_func;
+	int i;
+
+	ras_aca->aca_ip_version = ras_core->config->aca_ip_version;
+	ip_func = aca_get_ip_func(ras_core, ras_aca->aca_ip_version);
+	if (!ip_func)
+		return -EINVAL;
+
+	for (i = 0; i < ip_func->block_num; i++) {
+		aca_blk = &ras_aca->aca_blk[ip_func->block_info[i]->ras_block_id];
+		aca_blk->blk_info = ip_func->block_info[i];
+	}
+
+	ras_aca->ue_updated_mark = 0;
+
+	return 0;
+}
+
+int ras_aca_hw_fini(struct ras_core_context *ras_core)
+{
+	struct ras_aca *ras_aca = &ras_core->ras_aca;
+
+	ras_aca->ue_updated_mark = 0;
+
+	return 0;
+}

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_aca.h

@@ -0,0 +1,164 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __RAS_ACA_H__
+#define __RAS_ACA_H__
+#include "ras.h"
+
+#define MAX_SOCKET_NUM_PER_HIVE 8
+#define MAX_AID_NUM_PER_SOCKET 4
+#define MAX_XCD_NUM_PER_AID 2
+#define MAX_ACA_RAS_BLOCK  20
+
+#define ACA_ERROR__UE_MASK			(0x1 << RAS_ERR_TYPE__UE)
+#define ACA_ERROR__CE_MASK			(0x1 << RAS_ERR_TYPE__CE)
+#define ACA_ERROR__DE_MASK			(0x1 << RAS_ERR_TYPE__DE)
+
+enum ras_aca_reg_idx {
+	ACA_REG_IDX__CTL		= 0,
+	ACA_REG_IDX__STATUS		= 1,
+	ACA_REG_IDX__ADDR		= 2,
+	ACA_REG_IDX__MISC0		= 3,
+	ACA_REG_IDX__CONFG		= 4,
+	ACA_REG_IDX__IPID		= 5,
+	ACA_REG_IDX__SYND		= 6,
+	ACA_REG_IDX__DESTAT		= 8,
+	ACA_REG_IDX__DEADDR		= 9,
+	ACA_REG_IDX__CTL_MASK	= 10,
+	ACA_REG_MAX_COUNT		= 16,
+};
+
+struct ras_core_context;
+struct aca_block;
+
+struct aca_bank_reg {
+	u32 ecc_type;
+	u64 seq_no;
+	u64 regs[ACA_REG_MAX_COUNT];
+};
+
+enum aca_ecc_hwip {
+	ACA_ECC_HWIP__UNKNOWN = -1,
+	ACA_ECC_HWIP__PSP = 0,
+	ACA_ECC_HWIP__UMC,
+	ACA_ECC_HWIP__SMU,
+	ACA_ECC_HWIP__PCS_XGMI,
+	ACA_ECC_HWIP_COUNT,
+};
+
+struct aca_ecc_info {
+	int die_id;
+	int socket_id;
+	int xcd_id;
+	int hwid;
+	int mcatype;
+	uint64_t status;
+	uint64_t ipid;
+	uint64_t addr;
+};
+
+struct aca_bank_ecc {
+	struct aca_ecc_info bank_info;
+	u32 ce_count;
+	u32 ue_count;
+	u32 de_count;
+};
+
+struct aca_ecc_count {
+	u32 new_ce_count;
+	u32 total_ce_count;
+	u32 new_ue_count;
+	u32 total_ue_count;
+	u32 new_de_count;
+	u32 total_de_count;
+};
+
+struct aca_xcd_ecc {
+	struct aca_ecc_count ecc_err;
+};
+
+struct aca_aid_ecc {
+	union {
+		struct aca_xcd {
+			struct aca_xcd_ecc xcd[MAX_XCD_NUM_PER_AID];
+			u32 xcd_num;
+		} xcd;
+		struct aca_ecc_count ecc_err;
+	};
+};
+
+struct aca_socket_ecc {
+	struct aca_aid_ecc aid[MAX_AID_NUM_PER_SOCKET];
+	u32 aid_num;
+};
+
+struct aca_block_ecc {
+	struct aca_socket_ecc socket[MAX_SOCKET_NUM_PER_HIVE];
+	u32 socket_num_per_hive;
+};
+
+struct aca_bank_hw_ops {
+	bool (*bank_match)(struct aca_block *ras_blk, void *data);
+	int (*bank_parse)(struct ras_core_context *ras_core,
+			struct aca_block *aca_blk, void *data, void *buf);
+};
+
+struct aca_block_info {
+	char name[32];
+	u32 ras_block_id;
+	enum aca_ecc_hwip hwip;
+	struct aca_bank_hw_ops bank_ops;
+	u32 mask;
+};
+
+struct aca_block {
+	const struct aca_block_info  *blk_info;
+	struct aca_block_ecc ecc;
+};
+
+struct ras_aca_ip_func {
+	uint32_t block_num;
+	const struct aca_block_info **block_info;
+};
+
+struct ras_aca {
+	uint32_t aca_ip_version;
+	const struct ras_aca_ip_func *ip_func;
+	struct mutex  aca_lock;
+	struct mutex  bank_op_lock;
+	struct aca_block aca_blk[MAX_ACA_RAS_BLOCK];
+	uint32_t ue_updated_mark;
+};
+
+int ras_aca_sw_init(struct ras_core_context *ras_core);
+int ras_aca_sw_fini(struct ras_core_context *ras_core);
+int ras_aca_hw_init(struct ras_core_context *ras_core);
+int ras_aca_hw_fini(struct ras_core_context *ras_core);
+int ras_aca_get_block_ecc_count(struct ras_core_context *ras_core, u32 blk, void *data);
+int ras_aca_clear_block_new_ecc_count(struct ras_core_context *ras_core, u32 blk);
+int ras_aca_clear_all_blocks_ecc_count(struct ras_core_context *ras_core);
+int ras_aca_update_ecc(struct ras_core_context *ras_core, u32 ecc_type, void *data);
+void ras_aca_mark_fatal_flag(struct ras_core_context *ras_core);
+void ras_aca_clear_fatal_flag(struct ras_core_context *ras_core);
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_aca_v1_0.c

@@ -0,0 +1,379 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "ras.h"
+#include "ras_aca.h"
+#include "ras_core_status.h"
+#include "ras_aca_v1_0.h"
+
+struct ras_aca_hwip {
+	int hwid;
+	int mcatype;
+};
+
+static struct ras_aca_hwip aca_hwid_mcatypes[ACA_ECC_HWIP_COUNT] = {
+	[ACA_ECC_HWIP__SMU] = {0x01, 0x01},
+	[ACA_ECC_HWIP__PCS_XGMI] = {0x50, 0x00},
+	[ACA_ECC_HWIP__UMC] = {0x96, 0x00},
+};
+
+static int aca_decode_bank_info(struct aca_block *aca_blk,
+			struct aca_bank_reg *bank, struct aca_ecc_info *info)
+{
+	u64 ipid;
+	u32 instidhi, instidlo;
+
+	ipid = bank->regs[ACA_REG_IDX__IPID];
+	info->hwid = ACA_REG_IPID_HARDWAREID(ipid);
+	info->mcatype = ACA_REG_IPID_MCATYPE(ipid);
+	/*
+	 * Unified DieID Format: SAASS. A:AID, S:Socket.
+	 * Unified DieID[4:4] = InstanceId[0:0]
+	 * Unified DieID[0:3] = InstanceIdHi[0:3]
+	 */
+	instidhi = ACA_REG_IPID_INSTANCEIDHI(ipid);
+	instidlo = ACA_REG_IPID_INSTANCEIDLO(ipid);
+	info->die_id = ((instidhi >> 2) & 0x03);
+	info->socket_id = ((instidlo & 0x1) << 2) | (instidhi & 0x03);
+
+	if ((aca_blk->blk_info->hwip == ACA_ECC_HWIP__SMU) &&
+	    (aca_blk->blk_info->ras_block_id == RAS_BLOCK_ID__GFX))
+		info->xcd_id =
+			((instidlo & GENMASK_ULL(31, 1)) == mmSMNAID_XCD0_MCA_SMU) ? 0 : 1;
+
+	return 0;
+}
+
+static bool aca_check_bank_hwip(struct aca_bank_reg *bank, enum aca_ecc_hwip type)
+{
+	struct ras_aca_hwip *hwip;
+	int hwid, mcatype;
+	u64 ipid;
+
+	if (!bank || (type == ACA_ECC_HWIP__UNKNOWN))
+		return false;
+
+	hwip = &aca_hwid_mcatypes[type];
+	if (!hwip->hwid)
+		return false;
+
+	ipid = bank->regs[ACA_REG_IDX__IPID];
+	hwid = ACA_REG_IPID_HARDWAREID(ipid);
+	mcatype = ACA_REG_IPID_MCATYPE(ipid);
+
+	return hwip->hwid == hwid && hwip->mcatype == mcatype;
+}
+
+static bool aca_match_bank_default(struct aca_block *aca_blk, void *data)
+{
+	return aca_check_bank_hwip((struct aca_bank_reg *)data, aca_blk->blk_info->hwip);
+}
+
+static bool aca_match_gfx_bank(struct aca_block *aca_blk, void *data)
+{
+	struct aca_bank_reg *bank = (struct aca_bank_reg *)data;
+	u32 instlo;
+
+	if (!aca_check_bank_hwip(bank, aca_blk->blk_info->hwip))
+		return false;
+
+	instlo = ACA_REG_IPID_INSTANCEIDLO(bank->regs[ACA_REG_IDX__IPID]);
+	instlo &= GENMASK_ULL(31, 1);
+	switch (instlo) {
+	case mmSMNAID_XCD0_MCA_SMU:
+	case mmSMNAID_XCD1_MCA_SMU:
+	case mmSMNXCD_XCD0_MCA_SMU:
+		return true;
+	default:
+		break;
+	}
+
+	return false;
+}
+
+static bool aca_match_sdma_bank(struct aca_block *aca_blk, void *data)
+{
+	struct aca_bank_reg *bank = (struct aca_bank_reg *)data;
+	/* CODE_SDMA0 - CODE_SDMA4, reference to smu driver if header file */
+	static int sdma_err_codes[] = { 33, 34, 35, 36 };
+	u32 instlo;
+	int errcode, i;
+
+	if (!aca_check_bank_hwip(bank, aca_blk->blk_info->hwip))
+		return false;
+
+	instlo = ACA_REG_IPID_INSTANCEIDLO(bank->regs[ACA_REG_IDX__IPID]);
+	instlo &= GENMASK_ULL(31, 1);
+	if (instlo != mmSMNAID_AID0_MCA_SMU)
+		return false;
+
+	errcode = ACA_REG_SYND_ERRORINFORMATION(bank->regs[ACA_REG_IDX__SYND]);
+	errcode &= 0xff;
+
+	/* Check SDMA error codes */
+	for (i = 0; i < ARRAY_SIZE(sdma_err_codes); i++) {
+		if (errcode == sdma_err_codes[i])
+			return true;
+	}
+
+	return false;
+}
+
+static bool aca_match_mmhub_bank(struct aca_block *aca_blk, void *data)
+{
+	struct aca_bank_reg *bank = (struct aca_bank_reg *)data;
+	/* reference to smu driver if header file */
+	const int mmhub_err_codes[] = {
+		0, 1, 2, 3, 4, /* CODE_DAGB0 - 4 */
+		5, 6, 7, 8, 9, /* CODE_EA0 - 4 */
+		10, /* CODE_UTCL2_ROUTER */
+		11, /* CODE_VML2 */
+		12, /* CODE_VML2_WALKER */
+		13, /* CODE_MMCANE */
+	};
+	u32 instlo;
+	int errcode, i;
+
+	if (!aca_check_bank_hwip(bank, aca_blk->blk_info->hwip))
+		return false;
+
+	instlo = ACA_REG_IPID_INSTANCEIDLO(bank->regs[ACA_REG_IDX__IPID]);
+	instlo &= GENMASK_ULL(31, 1);
+	if (instlo != mmSMNAID_AID0_MCA_SMU)
+		return false;
+
+	errcode = ACA_REG_SYND_ERRORINFORMATION(bank->regs[ACA_REG_IDX__SYND]);
+	errcode &= 0xff;
+
+	/* Check MMHUB error codes */
+	for (i = 0; i < ARRAY_SIZE(mmhub_err_codes); i++) {
+		if (errcode == mmhub_err_codes[i])
+			return true;
+	}
+
+	return false;
+}
+
+static bool aca_check_umc_de(struct ras_core_context *ras_core, uint64_t mc_umc_status)
+{
+	return (ras_core->poison_supported &&
+		    ACA_REG_STATUS_VAL(mc_umc_status) &&
+		    ACA_REG_STATUS_DEFERRED(mc_umc_status));
+}
+
+static bool aca_check_umc_ue(struct ras_core_context *ras_core, uint64_t mc_umc_status)
+{
+	if (aca_check_umc_de(ras_core, mc_umc_status))
+		return false;
+
+	return (ACA_REG_STATUS_VAL(mc_umc_status) &&
+		    (ACA_REG_STATUS_PCC(mc_umc_status) ||
+		     ACA_REG_STATUS_UC(mc_umc_status) ||
+		     ACA_REG_STATUS_TCC(mc_umc_status)));
+}
+
+static bool aca_check_umc_ce(struct ras_core_context *ras_core, uint64_t mc_umc_status)
+{
+	if (aca_check_umc_de(ras_core, mc_umc_status))
+		return false;
+
+	return (ACA_REG_STATUS_VAL(mc_umc_status) &&
+		    (ACA_REG_STATUS_CECC(mc_umc_status) ||
+		     (ACA_REG_STATUS_UECC(mc_umc_status) &&
+		      ACA_REG_STATUS_UC(mc_umc_status) == 0) ||
+		/* Identify data parity error in replay mode */
+		     ((ACA_REG_STATUS_ERRORCODEEXT(mc_umc_status) == 0x5 ||
+		      ACA_REG_STATUS_ERRORCODEEXT(mc_umc_status) == 0xb) &&
+		     !(aca_check_umc_ue(ras_core, mc_umc_status)))));
+}
+
+static int aca_parse_umc_bank(struct ras_core_context *ras_core,
+			struct aca_block *ras_blk, void *data, void *buf)
+{
+	struct aca_bank_reg *bank = (struct aca_bank_reg *)data;
+	struct aca_bank_ecc *ecc = (struct aca_bank_ecc *)buf;
+	struct aca_ecc_info bank_info;
+	uint32_t ext_error_code;
+	uint64_t status0;
+
+	status0 = bank->regs[ACA_REG_IDX__STATUS];
+	if (!ACA_REG_STATUS_VAL(status0))
+		return 0;
+
+	memset(&bank_info, 0, sizeof(bank_info));
+	aca_decode_bank_info(ras_blk, bank, &bank_info);
+	memcpy(&ecc->bank_info, &bank_info, sizeof(bank_info));
+	ecc->bank_info.status = bank->regs[ACA_REG_IDX__STATUS];
+	ecc->bank_info.ipid = bank->regs[ACA_REG_IDX__IPID];
+	ecc->bank_info.addr = bank->regs[ACA_REG_IDX__ADDR];
+
+	ext_error_code = ACA_REG_STATUS_ERRORCODEEXT(status0);
+
+	if (aca_check_umc_de(ras_core, status0))
+		ecc->de_count = 1;
+	else if (aca_check_umc_ue(ras_core, status0))
+		ecc->ue_count = ext_error_code ?
+			1 : ACA_REG_MISC0_ERRCNT(bank->regs[ACA_REG_IDX__MISC0]);
+	else if (aca_check_umc_ce(ras_core, status0))
+		ecc->ce_count = ext_error_code ?
+			1 : ACA_REG_MISC0_ERRCNT(bank->regs[ACA_REG_IDX__MISC0]);
+
+	return 0;
+}
+
+static bool aca_check_bank_is_de(struct ras_core_context *ras_core,
+				uint64_t status)
+{
+	return (ACA_REG_STATUS_POISON(status) ||
+				ACA_REG_STATUS_DEFERRED(status));
+}
+
+static int aca_parse_bank_default(struct ras_core_context *ras_core,
+				  struct aca_block *ras_blk,
+				  void *data, void *buf)
+{
+	struct aca_bank_reg *bank = (struct aca_bank_reg *)data;
+	struct aca_bank_ecc *ecc = (struct aca_bank_ecc *)buf;
+	struct aca_ecc_info bank_info;
+	u64 misc0 = bank->regs[ACA_REG_IDX__MISC0];
+	u64 status = bank->regs[ACA_REG_IDX__STATUS];
+
+	memset(&bank_info, 0, sizeof(bank_info));
+	aca_decode_bank_info(ras_blk, bank, &bank_info);
+	memcpy(&ecc->bank_info, &bank_info, sizeof(bank_info));
+	ecc->bank_info.status = status;
+	ecc->bank_info.ipid = bank->regs[ACA_REG_IDX__IPID];
+	ecc->bank_info.addr = bank->regs[ACA_REG_IDX__ADDR];
+
+	if (aca_check_bank_is_de(ras_core, status)) {
+		ecc->de_count = 1;
+	} else {
+		if (bank->ecc_type == RAS_ERR_TYPE__UE)
+			ecc->ue_count = 1;
+		else if (bank->ecc_type == RAS_ERR_TYPE__CE)
+			ecc->ce_count = ACA_REG_MISC0_ERRCNT(misc0);
+	}
+
+	return 0;
+}
+
+static int aca_parse_xgmi_bank(struct ras_core_context *ras_core,
+			       struct aca_block *ras_blk,
+			       void *data, void *buf)
+{
+	struct aca_bank_reg *bank = (struct aca_bank_reg *)data;
+	struct aca_bank_ecc *ecc = (struct aca_bank_ecc *)buf;
+	struct aca_ecc_info bank_info;
+	u64 status, count;
+	int ext_error_code;
+
+	memset(&bank_info, 0, sizeof(bank_info));
+	aca_decode_bank_info(ras_blk, bank, &bank_info);
+	memcpy(&ecc->bank_info, &bank_info, sizeof(bank_info));
+	ecc->bank_info.status = bank->regs[ACA_REG_IDX__STATUS];
+	ecc->bank_info.ipid = bank->regs[ACA_REG_IDX__IPID];
+	ecc->bank_info.addr = bank->regs[ACA_REG_IDX__ADDR];
+
+	status = bank->regs[ACA_REG_IDX__STATUS];
+	ext_error_code = ACA_REG_STATUS_ERRORCODEEXT(status);
+
+	count = ACA_REG_MISC0_ERRCNT(bank->regs[ACA_REG_IDX__MISC0]);
+	if (bank->ecc_type == RAS_ERR_TYPE__UE) {
+		if (ext_error_code != 0 && ext_error_code != 1 && ext_error_code != 9)
+			count = 0ULL;
+		ecc->ue_count = count;
+	} else if (bank->ecc_type == RAS_ERR_TYPE__CE) {
+		count = ext_error_code == 6 ? count : 0ULL;
+		ecc->ce_count = count;
+	}
+
+	return 0;
+}
+
+static const struct aca_block_info aca_v1_0_umc = {
+	.name = "umc",
+	.ras_block_id = RAS_BLOCK_ID__UMC,
+	.hwip = ACA_ECC_HWIP__UMC,
+	.mask = ACA_ERROR__UE_MASK | ACA_ERROR__CE_MASK | ACA_ERROR__DE_MASK,
+	.bank_ops = {
+		.bank_match = aca_match_bank_default,
+		.bank_parse = aca_parse_umc_bank,
+	},
+};
+
+static const struct aca_block_info aca_v1_0_gfx = {
+	.name = "gfx",
+	.ras_block_id = RAS_BLOCK_ID__GFX,
+	.hwip = ACA_ECC_HWIP__SMU,
+	.mask = ACA_ERROR__UE_MASK | ACA_ERROR__CE_MASK,
+	.bank_ops = {
+		.bank_match = aca_match_gfx_bank,
+		.bank_parse = aca_parse_bank_default,
+	},
+};
+
+static const struct aca_block_info aca_v1_0_sdma = {
+	.name = "sdma",
+	.ras_block_id = RAS_BLOCK_ID__SDMA,
+	.hwip = ACA_ECC_HWIP__SMU,
+	.mask = ACA_ERROR__UE_MASK,
+	.bank_ops = {
+		.bank_match = aca_match_sdma_bank,
+		.bank_parse = aca_parse_bank_default,
+	},
+};
+
+static const struct aca_block_info aca_v1_0_mmhub = {
+	.name = "mmhub",
+	.ras_block_id = RAS_BLOCK_ID__MMHUB,
+	.hwip = ACA_ECC_HWIP__SMU,
+	.mask = ACA_ERROR__UE_MASK,
+	.bank_ops = {
+		.bank_match = aca_match_mmhub_bank,
+		.bank_parse = aca_parse_bank_default,
+	},
+};
+
+static const struct aca_block_info aca_v1_0_xgmi = {
+	.name = "xgmi",
+	.ras_block_id = RAS_BLOCK_ID__XGMI_WAFL,
+	.hwip = ACA_ECC_HWIP__PCS_XGMI,
+	.mask = ACA_ERROR__UE_MASK | ACA_ERROR__CE_MASK,
+	.bank_ops = {
+		.bank_match = aca_match_bank_default,
+		.bank_parse = aca_parse_xgmi_bank,
+	},
+};
+
+static const struct aca_block_info *aca_block_info_v1_0[] = {
+	&aca_v1_0_umc,
+	&aca_v1_0_gfx,
+	&aca_v1_0_sdma,
+	&aca_v1_0_mmhub,
+	&aca_v1_0_xgmi,
+};
+
+const struct ras_aca_ip_func ras_aca_func_v1_0 = {
+	.block_num = ARRAY_SIZE(aca_block_info_v1_0),
+	.block_info = aca_block_info_v1_0,
+};

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_aca_v1_0.h

@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __RAS_ACA_V1_0_H__
+#define __RAS_ACA_V1_0_H__
+#include "ras.h"
+
+#define ACA__REG__FIELD(x, h, l)		  (((x) & GENMASK_ULL(h, l)) >> l)
+#define ACA_REG_STATUS_VAL(x)		    ACA__REG__FIELD(x, 63, 63)
+#define ACA_REG_STATUS_OVERFLOW(x)	    ACA__REG__FIELD(x, 62, 62)
+#define ACA_REG_STATUS_UC(x)		    ACA__REG__FIELD(x, 61, 61)
+#define ACA_REG_STATUS_EN(x)		    ACA__REG__FIELD(x, 60, 60)
+#define ACA_REG_STATUS_MISCV(x)		    ACA__REG__FIELD(x, 59, 59)
+#define ACA_REG_STATUS_ADDRV(x)		    ACA__REG__FIELD(x, 58, 58)
+#define ACA_REG_STATUS_PCC(x)		    ACA__REG__FIELD(x, 57, 57)
+#define ACA_REG_STATUS_ERRCOREIDVAL(x)  ACA__REG__FIELD(x, 56, 56)
+#define ACA_REG_STATUS_TCC(x)		    ACA__REG__FIELD(x, 55, 55)
+#define ACA_REG_STATUS_SYNDV(x)		    ACA__REG__FIELD(x, 53, 53)
+#define ACA_REG_STATUS_CECC(x)		    ACA__REG__FIELD(x, 46, 46)
+#define ACA_REG_STATUS_UECC(x)		    ACA__REG__FIELD(x, 45, 45)
+#define ACA_REG_STATUS_DEFERRED(x)	    ACA__REG__FIELD(x, 44, 44)
+#define ACA_REG_STATUS_POISON(x)	    ACA__REG__FIELD(x, 43, 43)
+#define ACA_REG_STATUS_SCRUB(x)		    ACA__REG__FIELD(x, 40, 40)
+#define ACA_REG_STATUS_ERRCOREID(x)	    ACA__REG__FIELD(x, 37, 32)
+#define ACA_REG_STATUS_ADDRLSB(x)	    ACA__REG__FIELD(x, 29, 24)
+#define ACA_REG_STATUS_ERRORCODEEXT(x)  ACA__REG__FIELD(x, 21, 16)
+#define ACA_REG_STATUS_ERRORCODE(x)	    ACA__REG__FIELD(x, 15, 0)
+
+#define ACA_REG_IPID_MCATYPE(x)		  ACA__REG__FIELD(x, 63, 48)
+#define ACA_REG_IPID_INSTANCEIDHI(x)  ACA__REG__FIELD(x, 47, 44)
+#define ACA_REG_IPID_HARDWAREID(x)	  ACA__REG__FIELD(x, 43, 32)
+#define ACA_REG_IPID_INSTANCEIDLO(x)  ACA__REG__FIELD(x, 31, 0)
+
+#define ACA_REG_MISC0_VALID(x)		  ACA__REG__FIELD(x, 63, 63)
+#define ACA_REG_MISC0_OVRFLW(x)		  ACA__REG__FIELD(x, 48, 48)
+#define ACA_REG_MISC0_ERRCNT(x)		  ACA__REG__FIELD(x, 43, 32)
+
+#define ACA_REG_SYND_ERRORINFORMATION(x)	ACA__REG__FIELD(x, 17, 0)
+
+/* NOTE: The following codes refers to the smu header file */
+#define ACA_EXTERROR_CODE_CE			0x3a
+#define ACA_EXTERROR_CODE_FAULT			0x3b
+
+#define mmSMNAID_XCD0_MCA_SMU 0x36430400	/* SMN AID XCD0 */
+#define mmSMNAID_XCD1_MCA_SMU 0x38430400	/* SMN AID XCD1 */
+#define mmSMNXCD_XCD0_MCA_SMU 0x40430400	/* SMN XCD XCD0 */
+#define mmSMNAID_AID0_MCA_SMU 0x03b30400	/* SMN AID AID0 */
+
+extern const struct ras_aca_ip_func ras_aca_func_v1_0;
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_cmd.c

@@ -0,0 +1,543 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "ras.h"
+#include "ras_cmd.h"
+
+#define RAS_CMD_MAJOR_VERSION 6
+#define RAS_CMD_MINOR_VERSION 0
+#define RAS_CMD_VERSION  (((RAS_CMD_MAJOR_VERSION) << 10) | (RAS_CMD_MINOR_VERSION))
+
+static int ras_get_block_ecc_info(struct ras_core_context *ras_core,
+				struct ras_cmd_ctx *cmd, void *data)
+{
+	struct ras_cmd_block_ecc_info_req *input_data =
+			(struct ras_cmd_block_ecc_info_req *)cmd->input_buff_raw;
+	struct ras_cmd_block_ecc_info_rsp *output_data =
+			(struct ras_cmd_block_ecc_info_rsp *)cmd->output_buff_raw;
+	struct ras_ecc_count err_data;
+	int ret;
+
+	if ((cmd->input_size != sizeof(struct ras_cmd_block_ecc_info_req)) ||
+		(cmd->output_buf_size < sizeof(*output_data)))
+		return RAS_CMD__ERROR_INVALID_INPUT_SIZE;
+
+	memset(&err_data, 0, sizeof(err_data));
+	ret = ras_aca_get_block_ecc_count(ras_core, input_data->block_id, &err_data);
+	if (ret)
+		return RAS_CMD__ERROR_GENERIC;
+
+	output_data->ce_count = err_data.total_ce_count;
+	output_data->ue_count = err_data.total_ue_count;
+	output_data->de_count = err_data.total_de_count;
+
+	cmd->output_size = sizeof(struct ras_cmd_block_ecc_info_rsp);
+	return RAS_CMD__SUCCESS;
+}
+
+static void ras_cmd_update_bad_page_info(struct ras_cmd_bad_page_record *ras_cmd_record,
+	struct eeprom_umc_record *record)
+{
+	ras_cmd_record->retired_page = record->cur_nps_retired_row_pfn;
+	ras_cmd_record->ts = record->ts;
+	ras_cmd_record->err_type = record->err_type;
+	ras_cmd_record->mem_channel = record->mem_channel;
+	ras_cmd_record->mcumc_id = record->mcumc_id;
+	ras_cmd_record->address = record->address;
+	ras_cmd_record->bank = record->bank;
+	ras_cmd_record->valid = 1;
+}
+
+static int ras_cmd_get_group_bad_pages(struct ras_core_context *ras_core,
+	uint32_t group_index, struct ras_cmd_bad_pages_info_rsp *output_data)
+{
+	struct eeprom_umc_record record;
+	struct ras_cmd_bad_page_record *ras_cmd_record;
+	uint32_t i = 0, bp_cnt = 0, group_cnt = 0;
+	int ret = RAS_CMD__SUCCESS;
+
+	output_data->bp_in_group = 0;
+	output_data->group_index = 0;
+
+	mutex_lock(&ras_core->ras_umc.umc_lock);
+	bp_cnt = ras_umc_get_badpage_count(ras_core);
+	if (bp_cnt) {
+		output_data->group_index = group_index;
+		group_cnt = bp_cnt / RAS_CMD_MAX_BAD_PAGES_PER_GROUP
+			+ ((bp_cnt % RAS_CMD_MAX_BAD_PAGES_PER_GROUP) ? 1 : 0);
+
+		if (group_index >= group_cnt) {
+			ret = RAS_CMD__ERROR_INVALID_INPUT_DATA;
+			goto out;
+		}
+
+		i = group_index * RAS_CMD_MAX_BAD_PAGES_PER_GROUP;
+		for (;
+		   i < bp_cnt && output_data->bp_in_group < RAS_CMD_MAX_BAD_PAGES_PER_GROUP;
+		   i++) {
+			if (ras_umc_get_badpage_record(ras_core, i, &record)) {
+				ret = RAS_CMD__ERROR_GENERIC;
+				goto out;
+			}
+
+			ras_cmd_record = &output_data->records[i % RAS_CMD_MAX_BAD_PAGES_PER_GROUP];
+
+			memset(ras_cmd_record, 0, sizeof(*ras_cmd_record));
+			ras_cmd_update_bad_page_info(ras_cmd_record, &record);
+			output_data->bp_in_group++;
+		}
+	}
+	output_data->bp_total_cnt = bp_cnt;
+
+out:
+	mutex_unlock(&ras_core->ras_umc.umc_lock);
+	return ret;
+}
+
+static int ras_cmd_get_bad_pages(struct ras_core_context *ras_core,
+				struct ras_cmd_ctx *cmd, void *data)
+{
+	struct ras_cmd_bad_pages_info_req *input_data =
+			(struct ras_cmd_bad_pages_info_req *)cmd->input_buff_raw;
+	struct ras_cmd_bad_pages_info_rsp *output_data =
+			(struct ras_cmd_bad_pages_info_rsp *)cmd->output_buff_raw;
+	int ret;
+
+	if ((cmd->input_size != sizeof(struct ras_cmd_bad_pages_info_req)) ||
+		(cmd->output_buf_size < sizeof(*output_data)))
+		return RAS_CMD__ERROR_INVALID_INPUT_SIZE;
+
+	ret = ras_cmd_get_group_bad_pages(ras_core, input_data->group_index, output_data);
+	if (ret)
+		return RAS_CMD__ERROR_GENERIC;
+
+	output_data->version = 0;
+
+	cmd->output_size = sizeof(struct ras_cmd_bad_pages_info_rsp);
+	return RAS_CMD__SUCCESS;
+}
+
+static int ras_cmd_clear_bad_page_info(struct ras_core_context *ras_core,
+				struct ras_cmd_ctx *cmd, void *data)
+{
+	if (cmd->input_size != sizeof(struct ras_cmd_dev_handle))
+		return RAS_CMD__ERROR_INVALID_INPUT_SIZE;
+
+	if (ras_fw_eeprom_supported(ras_core)) {
+		if (ras_fw_eeprom_reset_table(ras_core))
+			return RAS_CMD__ERROR_GENERIC;
+	} else {
+		if (ras_eeprom_reset_table(ras_core))
+			return RAS_CMD__ERROR_GENERIC;
+	}
+
+	if (ras_umc_clean_badpage_data(ras_core))
+		return RAS_CMD__ERROR_GENERIC;
+
+	return RAS_CMD__SUCCESS;
+}
+
+static int ras_cmd_reset_all_error_counts(struct ras_core_context *ras_core,
+				struct ras_cmd_ctx *cmd, void *data)
+{
+	if (cmd->input_size != sizeof(struct ras_cmd_dev_handle))
+		return RAS_CMD__ERROR_INVALID_INPUT_SIZE;
+
+	if (ras_aca_clear_all_blocks_ecc_count(ras_core))
+		return RAS_CMD__ERROR_GENERIC;
+
+	if (ras_umc_clear_logged_ecc(ras_core))
+		return RAS_CMD__ERROR_GENERIC;
+
+	return RAS_CMD__SUCCESS;
+}
+
+static int ras_cmd_get_cper_snapshot(struct ras_core_context *ras_core,
+			struct ras_cmd_ctx *cmd, void *data)
+{
+	struct ras_cmd_cper_snapshot_rsp *output_data =
+			(struct ras_cmd_cper_snapshot_rsp *)cmd->output_buff_raw;
+	struct ras_log_batch_overview overview;
+
+	if ((cmd->input_size != sizeof(struct ras_cmd_cper_snapshot_req)) ||
+		(cmd->output_buf_size < sizeof(*output_data)))
+		return RAS_CMD__ERROR_INVALID_INPUT_SIZE;
+
+	ras_log_ring_get_batch_overview(ras_core, &overview);
+
+	output_data->total_cper_num = overview.logged_batch_count;
+	output_data->start_cper_id = overview.first_batch_id;
+	output_data->latest_cper_id = overview.last_batch_id;
+
+	output_data->version = 0;
+
+	cmd->output_size = sizeof(struct ras_cmd_cper_snapshot_rsp);
+	return RAS_CMD__SUCCESS;
+}
+
+static int ras_cmd_get_cper_records(struct ras_core_context *ras_core,
+			struct ras_cmd_ctx *cmd, void *data)
+{
+	struct ras_cmd_cper_record_req *req =
+			(struct ras_cmd_cper_record_req *)cmd->input_buff_raw;
+	struct ras_cmd_cper_record_rsp *rsp =
+			(struct ras_cmd_cper_record_rsp *)cmd->output_buff_raw;
+	struct ras_log_info *trace = NULL;
+	uint32_t trace_count = MAX_RECORD_PER_BATCH;
+	struct ras_log_batch_overview overview;
+	uint32_t offset = 0, real_data_len = 0;
+	uint64_t batch_id;
+	uint8_t *buffer = NULL;
+	int ret = 0, i, count;
+
+	if ((cmd->input_size != sizeof(struct ras_cmd_cper_record_req)) ||
+		(cmd->output_buf_size < sizeof(*rsp)))
+		return RAS_CMD__ERROR_INVALID_INPUT_SIZE;
+
+	if (!req->buf_size || !req->buf_ptr || !req->cper_num ||
+	    req->buf_size > RAS_CMD_MAX_CPER_BUF_SZ)
+		return RAS_CMD__ERROR_INVALID_INPUT_DATA;
+
+	buffer = kzalloc(req->buf_size, GFP_KERNEL);
+	if (!buffer)
+		return RAS_CMD__ERROR_GENERIC;
+
+	trace = kcalloc(trace_count, sizeof(*trace), GFP_KERNEL);
+	if (!trace) {
+		ret = RAS_CMD__ERROR_GENERIC;
+		goto out;
+	}
+
+	ras_log_ring_get_batch_overview(ras_core, &overview);
+	for (i = 0; i < req->cper_num; i++) {
+		batch_id = req->cper_start_id + i;
+		if (batch_id >= overview.last_batch_id)
+			break;
+
+		count = ras_log_ring_get_batch_records(ras_core, batch_id, trace,
+					trace_count);
+		if (count > 0) {
+			ret = ras_cper_generate_cper(ras_core, trace, count,
+					&buffer[offset], req->buf_size - offset, &real_data_len);
+			if (ret)
+				break;
+
+			offset += real_data_len;
+		}
+	}
+
+	if ((ret && (ret != -ENOMEM)) ||
+		copy_to_user(u64_to_user_ptr(req->buf_ptr), buffer, offset)) {
+		ret = RAS_CMD__ERROR_GENERIC;
+		goto out;
+	}
+
+	rsp->real_data_size = offset;
+	rsp->real_cper_num = i;
+	rsp->remain_num = (ret == -ENOMEM) ? (req->cper_num - i) : 0;
+	rsp->version = 0;
+
+	cmd->output_size = sizeof(struct ras_cmd_cper_record_rsp);
+	ret = RAS_CMD__SUCCESS;
+
+out:
+	kfree(trace);
+	kfree(buffer);
+	return ret;
+}
+
+static int ras_cmd_get_batch_trace_snapshot(struct ras_core_context *ras_core,
+	struct ras_cmd_ctx *cmd, void *data)
+{
+	struct ras_cmd_batch_trace_snapshot_rsp *rsp =
+			(struct ras_cmd_batch_trace_snapshot_rsp *)cmd->output_buff_raw;
+	struct ras_log_batch_overview overview;
+
+
+	if ((cmd->input_size != sizeof(struct ras_cmd_batch_trace_snapshot_req)) ||
+		(cmd->output_buf_size < sizeof(*rsp)))
+		return RAS_CMD__ERROR_INVALID_INPUT_SIZE;
+
+	ras_log_ring_get_batch_overview(ras_core, &overview);
+
+	rsp->total_batch_num = overview.logged_batch_count;
+	rsp->start_batch_id = overview.first_batch_id;
+	rsp->latest_batch_id = overview.last_batch_id;
+	rsp->version = 0;
+
+	cmd->output_size = sizeof(struct ras_cmd_batch_trace_snapshot_rsp);
+	return RAS_CMD__SUCCESS;
+}
+
+static int ras_cmd_get_batch_trace_records(struct ras_core_context *ras_core,
+	struct ras_cmd_ctx *cmd, void *data)
+{
+	struct ras_cmd_batch_trace_record_req *input_data =
+			(struct ras_cmd_batch_trace_record_req *)cmd->input_buff_raw;
+	struct ras_cmd_batch_trace_record_rsp *output_data =
+			(struct ras_cmd_batch_trace_record_rsp *)cmd->output_buff_raw;
+	struct ras_log_batch_overview overview;
+	struct ras_log_info *trace_arry = NULL;
+	uint32_t trace_count = MAX_RECORD_PER_BATCH;
+	struct ras_log_info *record;
+	int i, j, count = 0, offset = 0;
+	uint64_t id;
+	bool completed = false;
+
+	if ((cmd->input_size != sizeof(struct ras_cmd_batch_trace_record_req)) ||
+		(cmd->output_buf_size < sizeof(*output_data)))
+		return RAS_CMD__ERROR_INVALID_INPUT_SIZE;
+
+	if ((!input_data->batch_num) || (input_data->batch_num > RAS_CMD_MAX_BATCH_NUM))
+		return RAS_CMD__ERROR_INVALID_INPUT_DATA;
+
+	ras_log_ring_get_batch_overview(ras_core, &overview);
+	if ((input_data->start_batch_id < overview.first_batch_id) ||
+	    (input_data->start_batch_id >= overview.last_batch_id))
+		return RAS_CMD__ERROR_INVALID_INPUT_SIZE;
+
+	trace_arry = kcalloc(trace_count, sizeof(*trace_arry), GFP_KERNEL);
+	if (!trace_arry)
+		return RAS_CMD__ERROR_GENERIC;
+
+	for (i = 0; i < input_data->batch_num; i++) {
+		id = input_data->start_batch_id + i;
+		if (id >= overview.last_batch_id) {
+			completed = true;
+			break;
+		}
+
+		count = ras_log_ring_get_batch_records(ras_core,
+					id, trace_arry, trace_count);
+		if (count > 0) {
+			if ((offset + count) > RAS_CMD_MAX_TRACE_NUM)
+				break;
+			for (j = 0; j < count; j++) {
+				record = &output_data->records[offset + j];
+				record->seqno = trace_arry[j].seqno;
+				record->timestamp = trace_arry[j].timestamp;
+				record->event = trace_arry[j].event;
+				memcpy(&record->aca_reg,
+					&trace_arry[j].aca_reg, sizeof(trace_arry[j].aca_reg));
+			}
+		} else {
+			count = 0;
+		}
+
+		output_data->batchs[i].batch_id = id;
+		output_data->batchs[i].offset = offset;
+		output_data->batchs[i].trace_num = count;
+		offset += count;
+	}
+
+	output_data->start_batch_id = input_data->start_batch_id;
+	output_data->real_batch_num = i;
+	output_data->remain_num = completed ? 0 : (input_data->batch_num - i);
+	output_data->version = 0;
+
+	cmd->output_size = sizeof(struct ras_cmd_batch_trace_record_rsp);
+
+	kfree(trace_arry);
+
+	return RAS_CMD__SUCCESS;
+}
+
+static enum ras_ta_block __get_ras_ta_block(enum ras_block_id block)
+{
+	switch (block) {
+	case RAS_BLOCK_ID__UMC:
+		return RAS_TA_BLOCK__UMC;
+	case RAS_BLOCK_ID__SDMA:
+		return RAS_TA_BLOCK__SDMA;
+	case RAS_BLOCK_ID__GFX:
+		return RAS_TA_BLOCK__GFX;
+	case RAS_BLOCK_ID__MMHUB:
+		return RAS_TA_BLOCK__MMHUB;
+	case RAS_BLOCK_ID__ATHUB:
+		return RAS_TA_BLOCK__ATHUB;
+	case RAS_BLOCK_ID__PCIE_BIF:
+		return RAS_TA_BLOCK__PCIE_BIF;
+	case RAS_BLOCK_ID__HDP:
+		return RAS_TA_BLOCK__HDP;
+	case RAS_BLOCK_ID__XGMI_WAFL:
+		return RAS_TA_BLOCK__XGMI_WAFL;
+	case RAS_BLOCK_ID__DF:
+		return RAS_TA_BLOCK__DF;
+	case RAS_BLOCK_ID__SMN:
+		return RAS_TA_BLOCK__SMN;
+	case RAS_BLOCK_ID__SEM:
+		return RAS_TA_BLOCK__SEM;
+	case RAS_BLOCK_ID__MP0:
+		return RAS_TA_BLOCK__MP0;
+	case RAS_BLOCK_ID__MP1:
+		return RAS_TA_BLOCK__MP1;
+	case RAS_BLOCK_ID__FUSE:
+		return RAS_TA_BLOCK__FUSE;
+	case RAS_BLOCK_ID__MCA:
+		return RAS_TA_BLOCK__MCA;
+	case RAS_BLOCK_ID__VCN:
+		return RAS_TA_BLOCK__VCN;
+	case RAS_BLOCK_ID__JPEG:
+		return RAS_TA_BLOCK__JPEG;
+	default:
+		return RAS_TA_BLOCK__UMC;
+	}
+}
+
+static enum ras_ta_error_type __get_ras_ta_err_type(enum ras_ecc_err_type error)
+{
+	switch (error) {
+	case RAS_ECC_ERR__NONE:
+		return RAS_TA_ERROR__NONE;
+	case RAS_ECC_ERR__PARITY:
+		return RAS_TA_ERROR__PARITY;
+	case RAS_ECC_ERR__SINGLE_CORRECTABLE:
+		return RAS_TA_ERROR__SINGLE_CORRECTABLE;
+	case RAS_ECC_ERR__MULTI_UNCORRECTABLE:
+		return RAS_TA_ERROR__MULTI_UNCORRECTABLE;
+	case RAS_ECC_ERR__POISON:
+		return RAS_TA_ERROR__POISON;
+	default:
+		return RAS_TA_ERROR__NONE;
+	}
+}
+
+static int ras_cmd_inject_error(struct ras_core_context *ras_core,
+			struct ras_cmd_ctx *cmd, void *data)
+{
+	struct ras_cmd_inject_error_req *req =
+		(struct ras_cmd_inject_error_req *)cmd->input_buff_raw;
+	struct ras_cmd_inject_error_rsp *output_data =
+		(struct ras_cmd_inject_error_rsp *)cmd->output_buff_raw;
+	int ret = 0;
+	struct ras_ta_trigger_error_input block_info = {
+		.block_id = __get_ras_ta_block(req->block_id),
+		.sub_block_index = req->subblock_id,
+		.inject_error_type = __get_ras_ta_err_type(req->error_type),
+		.address = req->address,
+		.value = req->method,
+	};
+
+	if ((cmd->input_size != sizeof(*req)) ||
+		(cmd->output_buf_size < sizeof(*output_data)))
+		return RAS_CMD__ERROR_INVALID_INPUT_SIZE;
+
+	ret = ras_psp_trigger_error(ras_core, &block_info, req->instance_mask);
+	if (!ret) {
+		output_data->version = 0;
+		output_data->address = block_info.address;
+		cmd->output_size = sizeof(struct ras_cmd_inject_error_rsp);
+	} else {
+		RAS_DEV_ERR(ras_core->dev, "ras inject block %u failed %d\n", req->block_id, ret);
+		ret = RAS_CMD__ERROR_ACCESS_DENIED;
+	}
+
+	return ret;
+}
+
+static struct ras_cmd_func_map ras_cmd_maps[] = {
+	{RAS_CMD__INJECT_ERROR, ras_cmd_inject_error},
+	{RAS_CMD__GET_BLOCK_ECC_STATUS, ras_get_block_ecc_info},
+	{RAS_CMD__GET_BAD_PAGES, ras_cmd_get_bad_pages},
+	{RAS_CMD__CLEAR_BAD_PAGE_INFO, ras_cmd_clear_bad_page_info},
+	{RAS_CMD__RESET_ALL_ERROR_COUNTS, ras_cmd_reset_all_error_counts},
+	{RAS_CMD__GET_CPER_SNAPSHOT, ras_cmd_get_cper_snapshot},
+	{RAS_CMD__GET_CPER_RECORD, ras_cmd_get_cper_records},
+	{RAS_CMD__GET_BATCH_TRACE_SNAPSHOT, ras_cmd_get_batch_trace_snapshot},
+	{RAS_CMD__GET_BATCH_TRACE_RECORD, ras_cmd_get_batch_trace_records},
+};
+
+int rascore_handle_cmd(struct ras_core_context *ras_core,
+		struct ras_cmd_ctx *cmd, void *data)
+{
+	struct ras_cmd_func_map *ras_cmd = NULL;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(ras_cmd_maps); i++) {
+		if (cmd->cmd_id == ras_cmd_maps[i].cmd_id) {
+			ras_cmd = &ras_cmd_maps[i];
+			break;
+		}
+	}
+
+	if (!ras_cmd)
+		return	RAS_CMD__ERROR_UKNOWN_CMD;
+
+	return ras_cmd->func(ras_core, cmd, data);
+}
+
+int ras_cmd_init(struct ras_core_context *ras_core)
+{
+	return 0;
+}
+
+int ras_cmd_fini(struct ras_core_context *ras_core)
+{
+	return 0;
+}
+
+int ras_cmd_query_interface_info(struct ras_core_context *ras_core,
+	struct ras_query_interface_info_rsp *rsp)
+{
+	rsp->ras_cmd_major_ver = RAS_CMD_MAJOR_VERSION;
+	rsp->ras_cmd_minor_ver = RAS_CMD_MINOR_VERSION;
+
+	return 0;
+}
+
+int ras_cmd_translate_soc_pa_to_bank(struct ras_core_context *ras_core,
+	uint64_t soc_pa, struct ras_fb_bank_addr *bank_addr)
+{
+	struct umc_bank_addr  umc_bank = {0};
+	int ret;
+
+	ret = ras_umc_translate_soc_pa_and_bank(ras_core, &soc_pa, &umc_bank, false);
+	if (ret)
+		return RAS_CMD__ERROR_GENERIC;
+
+	bank_addr->stack_id = umc_bank.stack_id;
+	bank_addr->bank_group = umc_bank.bank_group;
+	bank_addr->bank = umc_bank.bank;
+	bank_addr->row = umc_bank.row;
+	bank_addr->column = umc_bank.column;
+	bank_addr->channel = umc_bank.channel;
+	bank_addr->subchannel = umc_bank.subchannel;
+
+	return 0;
+}
+
+int ras_cmd_translate_bank_to_soc_pa(struct ras_core_context *ras_core,
+		struct ras_fb_bank_addr bank_addr, uint64_t *soc_pa)
+{
+	struct umc_bank_addr  umc_bank = {0};
+
+	umc_bank.stack_id = bank_addr.stack_id;
+	umc_bank.bank_group = bank_addr.bank_group;
+	umc_bank.bank = bank_addr.bank;
+	umc_bank.row = bank_addr.row;
+	umc_bank.column = bank_addr.column;
+	umc_bank.channel = bank_addr.channel;
+	umc_bank.subchannel = bank_addr.subchannel;
+
+	return ras_umc_translate_soc_pa_and_bank(ras_core, soc_pa, &umc_bank, true);
+}

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_cmd.h

@@ -0,0 +1,482 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __RAS_CMD_H__
+#define __RAS_CMD_H__
+#include "ras.h"
+#include "ras_eeprom.h"
+#include "ras_log_ring.h"
+#include "ras_cper.h"
+
+#define RAS_CMD_MAX_IN_SIZE 256
+#define RAS_CMD_MAX_GPU_NUM 32
+#define RAS_CMD_MAX_BAD_PAGES_PER_GROUP 32
+
+/* position of instance value in sub_block_index of
+ * ta_ras_trigger_error_input, the sub block uses lower 12 bits
+ */
+#define RAS_TA_INST_MASK 0xfffff000
+#define RAS_TA_INST_SHIFT 0xc
+
+enum ras_cmd_interface_type {
+	RAS_CMD_INTERFACE_TYPE_NONE,
+	RAS_CMD_INTERFACE_TYPE_AMDGPU,
+	RAS_CMD_INTERFACE_TYPE_VF,
+	RAS_CMD_INTERFACE_TYPE_PF,
+};
+
+enum ras_cmd_id_range {
+	RAS_CMD_ID_COMMON_START = 0,
+	RAS_CMD_ID_COMMON_END = 0x10000,
+	RAS_CMD_ID_AMDGPU_START = RAS_CMD_ID_COMMON_END,
+	RAS_CMD_ID_AMDGPU_END = 0x20000,
+	RAS_CMD_ID_MXGPU_START = RAS_CMD_ID_AMDGPU_END,
+	RAS_CMD_ID_MXGPU_END = 0x30000,
+	RAS_CMD_ID_MXGPU_VF_START = RAS_CMD_ID_MXGPU_END,
+	RAS_CMD_ID_MXGPU_VF_END = 0x40000,
+};
+
+enum ras_cmd_id {
+	RAS_CMD__BEGIN = RAS_CMD_ID_COMMON_START,
+	RAS_CMD__QUERY_INTERFACE_INFO,
+	RAS_CMD__GET_DEVICES_INFO,
+	RAS_CMD__GET_BLOCK_ECC_STATUS,
+	RAS_CMD__INJECT_ERROR,
+	RAS_CMD__GET_BAD_PAGES,
+	RAS_CMD__CLEAR_BAD_PAGE_INFO,
+	RAS_CMD__RESET_ALL_ERROR_COUNTS,
+	RAS_CMD__GET_SAFE_FB_ADDRESS_RANGES,
+	RAS_CMD__TRANSLATE_FB_ADDRESS,
+	RAS_CMD__GET_LINK_TOPOLOGY,
+	RAS_CMD__GET_CPER_SNAPSHOT,
+	RAS_CMD__GET_CPER_RECORD,
+	RAS_CMD__GET_BATCH_TRACE_SNAPSHOT,
+	RAS_CMD__GET_BATCH_TRACE_RECORD,
+	RAS_CMD__GET_ALL_BLOCK_ECC_STATUS,
+	RAS_CMD__SET_CMD_AUTO_UPDATE,
+	RAS_CMD__CHECK_ADDRESS_VALIDITY,
+	RAS_CMD__CONVERT_RETIRED_ADDRESS,
+	RAS_CMD__SUPPORTED_MAX = RAS_CMD_ID_COMMON_END,
+};
+
+enum ras_cmd_response {
+	RAS_CMD__SUCCESS = 0,
+	RAS_CMD__SUCCESS_EXEED_BUFFER,
+	RAS_CMD__ERROR_UKNOWN_CMD,
+	RAS_CMD__ERROR_INVALID_CMD,
+	RAS_CMD__ERROR_VERSION,
+	RAS_CMD__ERROR_INVALID_INPUT_SIZE,
+	RAS_CMD__ERROR_INVALID_INPUT_DATA,
+	RAS_CMD__ERROR_DRV_INIT_FAIL,
+	RAS_CMD__ERROR_ACCESS_DENIED,
+	RAS_CMD__ERROR_GENERIC,
+	RAS_CMD__ERROR_TIMEOUT,
+};
+
+enum ras_error_type {
+	RAS_TYPE_ERROR__NONE = 0,
+	RAS_TYPE_ERROR__PARITY = 1,
+	RAS_TYPE_ERROR__SINGLE_CORRECTABLE = 2,
+	RAS_TYPE_ERROR__MULTI_UNCORRECTABLE = 4,
+	RAS_TYPE_ERROR__POISON = 8,
+};
+
+struct ras_core_context;
+struct ras_cmd_ctx;
+
+struct ras_cmd_func_map {
+	uint32_t cmd_id;
+	int (*func)(struct ras_core_context *ras_core,
+			struct ras_cmd_ctx *cmd, void *data);
+};
+
+struct ras_device_bdf {
+	union {
+		struct {
+			uint32_t function : 3;
+			uint32_t device : 5;
+			uint32_t bus : 8;
+			uint32_t domain : 16;
+		};
+		uint32_t u32_all;
+	};
+};
+
+struct ras_cmd_param {
+	uint32_t idx_vf;
+	void *data;
+};
+
+#pragma pack(push, 8)
+struct ras_cmd_ctx {
+	uint32_t magic;
+	union {
+		struct {
+			uint16_t ras_cmd_minor_ver : 10;
+			uint16_t ras_cmd_major_ver : 6;
+		};
+		uint16_t ras_cmd_ver;
+	};
+	union {
+		struct {
+			uint16_t plat_major_ver : 10;
+			uint16_t plat_minor_ver : 6;
+		};
+		uint16_t plat_ver;
+	};
+	uint32_t cmd_id;
+	uint32_t cmd_res;
+	uint32_t input_size;
+	uint32_t output_size;
+	uint32_t output_buf_size;
+	uint32_t reserved[5];
+	uint8_t  input_buff_raw[RAS_CMD_MAX_IN_SIZE];
+	uint8_t  output_buff_raw[];
+};
+
+struct ras_cmd_dev_handle {
+	uint64_t dev_handle;
+};
+
+struct ras_cmd_block_ecc_info_req {
+	struct ras_cmd_dev_handle dev;
+	uint32_t block_id;
+	uint32_t subblock_id;
+	uint32_t reserved[4];
+};
+
+struct ras_cmd_block_ecc_info_rsp {
+	uint32_t version;
+	uint32_t ce_count;
+	uint32_t ue_count;
+	uint32_t de_count;
+	uint32_t reserved[6];
+};
+
+struct ras_cmd_inject_error_req {
+	struct ras_cmd_dev_handle dev;
+	uint32_t block_id;
+	uint32_t subblock_id;
+	uint64_t address;
+	uint32_t error_type;
+	uint32_t instance_mask;
+	union {
+		struct {
+			/* vf index */
+			uint64_t vf_idx : 6;
+			/* method of error injection. i.e persistent, coherent etc */
+			uint64_t method : 10;
+			uint64_t rsv    : 48;
+		};
+		uint64_t value;
+	};
+	uint32_t reserved[8];
+};
+
+struct ras_cmd_inject_error_rsp {
+	uint32_t version;
+	uint32_t reserved[5];
+	uint64_t address;
+};
+
+struct ras_cmd_dev_info {
+	uint64_t dev_handle;
+	uint32_t location_id;
+	uint32_t ecc_enabled;
+	uint32_t ecc_supported;
+	uint32_t vf_num;
+	uint32_t asic_type;
+	uint32_t oam_id;
+	uint32_t reserved[8];
+};
+
+struct ras_cmd_devices_info_rsp {
+	uint32_t version;
+	uint32_t dev_num;
+	uint32_t reserved[6];
+	struct ras_cmd_dev_info devs[RAS_CMD_MAX_GPU_NUM];
+};
+
+struct ras_cmd_bad_page_record {
+	union {
+		uint64_t address;
+		uint64_t offset;
+	};
+	uint64_t retired_page;
+	uint64_t ts;
+
+	uint32_t err_type;
+
+	union {
+		unsigned char bank;
+		unsigned char cu;
+	};
+
+	unsigned char mem_channel;
+	unsigned char mcumc_id;
+
+	unsigned char valid;
+	unsigned char reserved[8];
+};
+
+struct ras_cmd_bad_pages_info_req {
+	struct ras_cmd_dev_handle device;
+	uint32_t group_index;
+	uint32_t reserved[5];
+};
+
+struct ras_cmd_bad_pages_info_rsp {
+	uint32_t version;
+	uint32_t group_index;
+	uint32_t bp_in_group;
+	uint32_t bp_total_cnt;
+	uint32_t reserved[4];
+	struct ras_cmd_bad_page_record records[RAS_CMD_MAX_BAD_PAGES_PER_GROUP];
+};
+
+struct ras_query_interface_info_req {
+	uint32_t reserved[8];
+};
+
+struct ras_query_interface_info_rsp {
+	uint32_t version;
+	uint32_t ras_cmd_major_ver;
+	uint32_t ras_cmd_minor_ver;
+	uint32_t plat_major_ver;
+	uint32_t plat_minor_ver;
+	uint8_t  interface_type;
+	uint8_t  rsv[3];
+	uint32_t reserved[8];
+};
+
+#define RAS_MAX_NUM_SAFE_RANGES 64
+struct ras_cmd_ras_safe_fb_address_ranges_rsp {
+	uint32_t version;
+	uint32_t num_ranges;
+	uint32_t reserved[4];
+	struct {
+		uint64_t start;
+		uint64_t size;
+		uint32_t idx;
+		uint32_t reserved[3];
+	} range[RAS_MAX_NUM_SAFE_RANGES];
+};
+
+enum ras_fb_addr_type {
+	RAS_FB_ADDR_SOC_PHY, /* SPA */
+	RAS_FB_ADDR_BANK,
+	RAS_FB_ADDR_VF_PHY, /* GPA */
+	RAS_FB_ADDR_UNKNOWN
+};
+
+struct ras_fb_bank_addr {
+	uint32_t stack_id; /* SID */
+	uint32_t bank_group;
+	uint32_t bank;
+	uint32_t row;
+	uint32_t column;
+	uint32_t channel;
+	uint32_t subchannel; /* Also called Pseudochannel (PC) */
+	uint32_t reserved[3];
+};
+
+struct ras_fb_vf_phy_addr {
+	uint32_t vf_idx;
+	uint32_t reserved;
+	uint64_t addr;
+};
+
+union ras_translate_fb_address {
+	struct ras_fb_bank_addr bank_addr;
+	uint64_t soc_phy_addr;
+	struct ras_fb_vf_phy_addr vf_phy_addr;
+};
+
+struct ras_cmd_translate_fb_address_req {
+	struct ras_cmd_dev_handle dev;
+	enum ras_fb_addr_type src_addr_type;
+	enum ras_fb_addr_type dest_addr_type;
+	union ras_translate_fb_address trans_addr;
+};
+
+struct ras_cmd_translate_fb_address_rsp {
+	uint32_t version;
+	uint32_t reserved[5];
+	union ras_translate_fb_address trans_addr;
+};
+
+struct ras_dev_link_topology_req {
+	struct ras_cmd_dev_handle src;
+	struct ras_cmd_dev_handle dst;
+};
+
+struct ras_dev_link_topology_rsp {
+	uint32_t  version;
+	uint32_t  link_status;  /* HW status of the link */
+	uint32_t  link_type;    /* type of the link */
+	uint32_t  num_hops;     /* number of hops */
+	uint32_t reserved[8];
+};
+
+struct ras_cmd_cper_snapshot_req {
+	struct ras_cmd_dev_handle dev;
+};
+
+struct ras_cmd_cper_snapshot_rsp {
+	uint32_t version;
+	uint32_t reserved[4];
+	uint32_t total_cper_num;
+	uint64_t start_cper_id;
+	uint64_t latest_cper_id;
+};
+
+struct ras_cmd_cper_record_req {
+	struct ras_cmd_dev_handle dev;
+	uint64_t cper_start_id;
+	uint32_t cper_num;
+	uint32_t buf_size;
+	uint64_t buf_ptr;
+	uint32_t reserved[4];
+};
+
+struct ras_cmd_cper_record_rsp {
+	uint32_t version;
+	uint32_t real_data_size;
+	uint32_t real_cper_num;
+	uint32_t remain_num;
+	uint32_t reserved[4];
+};
+
+struct ras_cmd_batch_trace_snapshot_req {
+	struct ras_cmd_dev_handle dev;
+};
+
+struct ras_cmd_batch_trace_snapshot_rsp {
+	uint32_t version;
+	uint32_t reserved[4];
+	uint32_t total_batch_num;
+	uint64_t start_batch_id;
+	uint64_t latest_batch_id;
+};
+
+struct ras_cmd_batch_trace_record_req {
+	struct ras_cmd_dev_handle dev;
+	uint64_t start_batch_id;
+	uint32_t batch_num;
+	uint32_t reserved[5];
+};
+
+struct batch_ras_trace_info {
+	uint64_t batch_id;
+	uint16_t offset;
+	uint8_t  trace_num;
+	uint8_t  rsv;
+	uint32_t reserved;
+};
+
+#define RAS_CMD_MAX_BATCH_NUM  300
+#define RAS_CMD_MAX_TRACE_NUM  300
+
+/* Upper bounds for RAS_CMD__GET_CPER_RECORD to limit kernel allocations and work. */
+#define RAS_CMD_MAX_CPER_BUF_SZ	(2 * 1024U * 1024U) /* 2 MiB */
+struct ras_cmd_batch_trace_record_rsp {
+	uint32_t version;
+	uint16_t real_batch_num;
+	uint16_t remain_num;
+	uint64_t start_batch_id;
+	uint32_t reserved[2];
+	struct batch_ras_trace_info batchs[RAS_CMD_MAX_BATCH_NUM];
+	struct ras_log_info records[RAS_CMD_MAX_TRACE_NUM];
+};
+
+struct ras_cmd_auto_update_req {
+	struct ras_cmd_dev_handle dev;
+	uint32_t mode;
+	uint32_t cmd_id;
+	uint64_t addr;
+	uint32_t len;
+	uint32_t reserved[5];
+};
+
+struct ras_cmd_auto_update_rsp {
+	uint32_t version;
+	uint32_t reserved[4];
+};
+
+struct ras_cmd_address_check_req {
+	struct ras_cmd_dev_handle dev;
+	uint64_t address;
+	uint32_t flags;
+	uint32_t vf_idx;
+	uint32_t reserved[4];
+};
+
+struct ras_cmd_address_check_rsp {
+	uint32_t version;
+	uint32_t result;
+	uint32_t reserved[6];
+};
+
+struct ras_cmd_convert_retired_address_req {
+	struct ras_cmd_dev_handle dev;
+	uint64_t address;
+	uint32_t reserved[6];
+};
+
+#define RAS_CMD_MAX_RETIRED_ADDR_COUNT  32
+struct ras_cmd_convert_retired_address_rsp {
+	uint32_t version;
+	uint32_t retired_count;
+	uint64_t retired_addr[RAS_CMD_MAX_RETIRED_ADDR_COUNT];
+};
+
+struct ras_cmd_blocks_ecc_req {
+	struct ras_cmd_dev_handle dev;
+};
+
+struct ras_cmd_block_ecc {
+	uint32_t ce_count;
+	uint32_t ue_count;
+	uint32_t de_count;
+};
+
+#define MAX_RAS_BLOCK_NUM  20
+struct ras_cmd_blocks_ecc_rsp {
+	uint32_t version;
+	uint32_t reserved[5];
+	struct ras_cmd_block_ecc blocks[MAX_RAS_BLOCK_NUM];
+};
+
+#pragma pack(pop)
+
+int ras_cmd_init(struct ras_core_context *ras_core);
+int ras_cmd_fini(struct ras_core_context *ras_core);
+int rascore_handle_cmd(struct ras_core_context *ras_core, struct ras_cmd_ctx *cmd, void *data);
+int ras_cmd_query_interface_info(struct ras_core_context *ras_core,
+	struct ras_query_interface_info_rsp *rsp);
+int ras_cmd_translate_soc_pa_to_bank(struct ras_core_context *ras_core,
+			uint64_t soc_pa, struct ras_fb_bank_addr *bank_addr);
+int ras_cmd_translate_bank_to_soc_pa(struct ras_core_context *ras_core,
+			struct ras_fb_bank_addr bank_addr, uint64_t *soc_pa);
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_core.c

@@ -0,0 +1,678 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "ras.h"
+#include "ras_core_status.h"
+
+#define RAS_SEQNO_FIFO_SIZE (128 * sizeof(uint64_t))
+
+#define IS_LEAP_YEAR(x) ((x % 4 == 0 && x % 100 != 0) || x % 400 == 0)
+
+static const char * const ras_block_name[] = {
+	"umc",
+	"sdma",
+	"gfx",
+	"mmhub",
+	"athub",
+	"pcie_bif",
+	"hdp",
+	"xgmi_wafl",
+	"df",
+	"smn",
+	"sem",
+	"mp0",
+	"mp1",
+	"fuse",
+	"mca",
+	"vcn",
+	"jpeg",
+	"ih",
+	"mpio",
+};
+
+const char *ras_core_get_ras_block_name(enum ras_block_id block_id)
+{
+	if (block_id >= ARRAY_SIZE(ras_block_name))
+		return "";
+
+	return ras_block_name[block_id];
+}
+
+int ras_core_convert_timestamp_to_time(struct ras_core_context *ras_core,
+			uint64_t timestamp, struct ras_time *tm)
+{
+	int days_in_month[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
+	uint64_t month = 0, day = 0, hour = 0, minute = 0, second = 0, remainder;
+	uint32_t year = 0;
+	int seconds_per_day = 24 * 60 * 60;
+	int seconds_per_hour = 60 * 60;
+	int seconds_per_minute = 60;
+	int days, remaining_seconds;
+
+	if (!tm)
+		return -EINVAL;
+
+	days = div64_u64_rem(timestamp, seconds_per_day, &remainder);
+	/* remainder will always be less than seconds_per_day. */
+	remaining_seconds = remainder;
+
+	/* utc_timestamp follows the Unix epoch */
+	year = 1970;
+	while (days >= 365) {
+		if (IS_LEAP_YEAR(year)) {
+			if (days < 366)
+				break;
+			days -= 366;
+		} else {
+			days -= 365;
+		}
+		year++;
+	}
+
+	days_in_month[1] += IS_LEAP_YEAR(year);
+
+	month = 0;
+	while (days >= days_in_month[month]) {
+		days -= days_in_month[month];
+		month++;
+	}
+	month++;
+	day = days + 1;
+
+	if (remaining_seconds) {
+		hour = remaining_seconds / seconds_per_hour;
+		minute = (remaining_seconds % seconds_per_hour) / seconds_per_minute;
+		second = remaining_seconds % seconds_per_minute;
+	}
+
+	tm->tm_year = year;
+	tm->tm_mon = month;
+	tm->tm_mday = day;
+	tm->tm_hour = hour;
+	tm->tm_min = minute;
+	tm->tm_sec = second;
+
+	return 0;
+}
+
+bool ras_core_gpu_in_reset(struct ras_core_context *ras_core)
+{
+	uint32_t status = 0;
+
+	if (!ras_core)
+		return false;
+
+	if (ras_core->sys_fn &&
+		ras_core->sys_fn->check_gpu_status)
+		ras_core->sys_fn->check_gpu_status(ras_core, &status);
+
+	return (status & RAS_GPU_STATUS__IN_RESET) ? true : false;
+}
+
+bool ras_core_gpu_is_vf(struct ras_core_context *ras_core)
+{
+	uint32_t status = 0;
+
+	if (!ras_core)
+		return false;
+
+	if (ras_core->sys_fn &&
+		ras_core->sys_fn->check_gpu_status)
+		ras_core->sys_fn->check_gpu_status(ras_core, &status);
+
+	return (status & RAS_GPU_STATUS__IS_VF) ? true : false;
+}
+
+bool ras_core_gpu_is_rma(struct ras_core_context *ras_core)
+{
+	if (!ras_core)
+		return false;
+
+	return ras_core->is_rma;
+}
+
+static int ras_core_seqno_fifo_write(struct ras_core_context *ras_core,
+		enum ras_seqno_fifo fifo_type, uint64_t seqno)
+{
+	int ret = 0;
+	struct kfifo *seqno_fifo = NULL;
+
+	if (fifo_type == SEQNO_FIFO_POISON_CREATION)
+		seqno_fifo = &ras_core->de_seqno_fifo;
+	else if (fifo_type == SEQNO_FIFO_POISON_CONSUMPTION)
+		seqno_fifo = &ras_core->consumption_seqno_fifo;
+
+	if (seqno_fifo)
+		ret = kfifo_in_spinlocked(seqno_fifo,
+			&seqno, sizeof(seqno), &ras_core->seqno_lock);
+
+	return ret ? 0 : -EINVAL;
+}
+
+static int ras_core_seqno_fifo_read(struct ras_core_context *ras_core,
+		enum ras_seqno_fifo fifo_type, uint64_t *seqno, bool pop)
+{
+	int ret = 0;
+	struct kfifo *seqno_fifo = NULL;
+
+	if (fifo_type == SEQNO_FIFO_POISON_CREATION)
+		seqno_fifo = &ras_core->de_seqno_fifo;
+	else if (fifo_type == SEQNO_FIFO_POISON_CONSUMPTION)
+		seqno_fifo = &ras_core->consumption_seqno_fifo;
+
+	if (seqno_fifo) {
+		if (pop)
+			ret = kfifo_out_spinlocked(seqno_fifo,
+				seqno, sizeof(*seqno), &ras_core->seqno_lock);
+		else
+			ret = kfifo_out_peek(seqno_fifo, seqno, sizeof(*seqno));
+	}
+
+	return ret ? 0 : -EINVAL;
+}
+
+uint64_t ras_core_gen_seqno(struct ras_core_context *ras_core,
+			enum ras_seqno_type type)
+{
+	uint64_t seqno = 0;
+
+	if (ras_core->sys_fn && ras_core->sys_fn->gen_seqno &&
+	    ras_core->sys_fn->gen_seqno(ras_core, type, &seqno))
+		return 0;
+
+	return seqno;
+}
+
+int ras_core_put_seqno(struct ras_core_context *ras_core,
+		enum ras_seqno_type seqno_type, uint64_t seqno)
+{
+	int ret = 0;
+
+	if (seqno_type >= RAS_SEQNO_TYPE_COUNT_MAX)
+		return -EINVAL;
+
+	if (seqno_type == RAS_SEQNO_TYPE_DE)
+		ret = ras_core_seqno_fifo_write(ras_core,
+				SEQNO_FIFO_POISON_CREATION, seqno);
+	else if (seqno_type == RAS_SEQNO_TYPE_POISON_CONSUMPTION)
+		ret = ras_core_seqno_fifo_write(ras_core,
+				SEQNO_FIFO_POISON_CONSUMPTION, seqno);
+	else
+		ret = -EINVAL;
+
+	return ret;
+}
+
+uint64_t ras_core_get_seqno(struct ras_core_context *ras_core,
+			enum ras_seqno_type seqno_type, bool pop)
+{
+	uint64_t seq_no;
+	int ret = -ENODATA;
+
+	if (seqno_type >= RAS_SEQNO_TYPE_COUNT_MAX)
+		return 0;
+
+	if (seqno_type == RAS_SEQNO_TYPE_DE)
+		ret = ras_core_seqno_fifo_read(ras_core,
+				SEQNO_FIFO_POISON_CREATION, &seq_no, pop);
+	else if (seqno_type == RAS_SEQNO_TYPE_POISON_CONSUMPTION)
+		ret = ras_core_seqno_fifo_read(ras_core,
+				SEQNO_FIFO_POISON_CONSUMPTION, &seq_no, pop);
+
+	if (ret)
+		seq_no = ras_core_gen_seqno(ras_core, seqno_type);
+
+	return seq_no;
+}
+
+static int ras_core_eeprom_recovery(struct ras_core_context *ras_core)
+{
+	int count;
+	int ret;
+
+	if (ras_fw_eeprom_supported(ras_core))
+		count = ras_fw_eeprom_get_record_count(ras_core);
+	else
+		count = ras_eeprom_get_record_count(ras_core);
+	if (!count)
+		return 0;
+
+	/* Avoid bad page to be loaded again after gpu reset */
+	if (ras_umc_get_saved_eeprom_count(ras_core) >= count)
+		return 0;
+
+	ret = ras_umc_load_bad_pages(ras_core);
+	if (ret) {
+		RAS_DEV_ERR(ras_core->dev, "ras_umc_load_bad_pages failed: %d\n", ret);
+		return ret;
+	}
+
+	if (ras_fw_eeprom_supported(ras_core))
+		ras_fw_eeprom_sync_info(ras_core);
+	else
+		ras_eeprom_sync_info(ras_core);
+
+	return ret;
+}
+
+struct ras_core_context *ras_core_create(struct ras_core_config *init_config)
+{
+	struct ras_core_context *ras_core;
+	struct ras_core_config *config;
+
+	if (!init_config)
+		return NULL;
+
+	ras_core = kzalloc_obj(*ras_core);
+	if (!ras_core)
+		return NULL;
+
+	config = kzalloc_obj(*config);
+	if (!config) {
+		kfree(ras_core);
+		return NULL;
+	}
+
+	memcpy(config, init_config, sizeof(*config));
+	ras_core->config = config;
+
+	return ras_core;
+}
+
+void ras_core_destroy(struct ras_core_context *ras_core)
+{
+	if (ras_core)
+		kfree(ras_core->config);
+
+	kfree(ras_core);
+}
+
+int ras_core_sw_init(struct ras_core_context *ras_core)
+{
+	int ret;
+
+	if (!ras_core->config) {
+		RAS_DEV_ERR(ras_core->dev, "No ras core config!\n");
+		return -EINVAL;
+	}
+
+	ras_core->sys_fn = ras_core->config->sys_fn;
+	if (!ras_core->sys_fn)
+		return -EINVAL;
+
+	ret = kfifo_alloc(&ras_core->de_seqno_fifo,
+		 RAS_SEQNO_FIFO_SIZE, GFP_KERNEL);
+	if (ret)
+		return ret;
+
+	ret = kfifo_alloc(&ras_core->consumption_seqno_fifo,
+		 RAS_SEQNO_FIFO_SIZE, GFP_KERNEL);
+	if (ret)
+		return ret;
+
+	spin_lock_init(&ras_core->seqno_lock);
+
+	ret = ras_aca_sw_init(ras_core);
+	if (ret)
+		return ret;
+
+	ret = ras_umc_sw_init(ras_core);
+	if (ret)
+		return ret;
+
+	ret = ras_cmd_init(ras_core);
+	if (ret)
+		return ret;
+
+	ret = ras_log_ring_sw_init(ras_core);
+	if (ret)
+		return ret;
+
+	ret = ras_psp_sw_init(ras_core);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+int ras_core_sw_fini(struct ras_core_context *ras_core)
+{
+	kfifo_free(&ras_core->de_seqno_fifo);
+	kfifo_free(&ras_core->consumption_seqno_fifo);
+
+	ras_psp_sw_fini(ras_core);
+	ras_log_ring_sw_fini(ras_core);
+	ras_cmd_fini(ras_core);
+	ras_umc_sw_fini(ras_core);
+	ras_aca_sw_fini(ras_core);
+
+	return 0;
+}
+
+int ras_core_hw_init(struct ras_core_context *ras_core)
+{
+	int ret;
+
+	ras_core->ras_eeprom_supported =
+			ras_core->config->ras_eeprom_supported;
+
+	ras_core->poison_supported = ras_core->config->poison_supported;
+
+	ret = ras_psp_hw_init(ras_core);
+	if (ret)
+		return ret;
+
+	ret = ras_aca_hw_init(ras_core);
+	if (ret)
+		goto init_err1;
+
+	ret = ras_mp1_hw_init(ras_core);
+	if (ret)
+		goto init_err2;
+
+	ret = ras_nbio_hw_init(ras_core);
+	if (ret)
+		goto init_err3;
+
+	ret = ras_umc_hw_init(ras_core);
+	if (ret)
+		goto init_err4;
+
+	ret = ras_gfx_hw_init(ras_core);
+	if (ret)
+		goto init_err5;
+
+	ras_fw_init_feature_flags(ras_core);
+
+	if (ras_fw_eeprom_supported(ras_core))
+		ret = ras_fw_eeprom_hw_init(ras_core);
+	else
+		ret = ras_eeprom_hw_init(ras_core);
+	if (ret)
+		goto init_err6;
+
+	ret = ras_core_eeprom_recovery(ras_core);
+	if (ret) {
+		RAS_DEV_ERR(ras_core->dev,
+			"Failed to recovery ras core, ret:%d\n", ret);
+		goto init_err6;
+	}
+
+	if (ras_fw_eeprom_supported(ras_core))
+		ret = ras_fw_eeprom_check_storage_status(ras_core);
+	else
+		ret = ras_eeprom_check_storage_status(ras_core);
+	if (ret)
+		goto init_err6;
+
+	ret = ras_process_init(ras_core);
+	if (ret)
+		goto init_err7;
+
+	ras_core->is_initialized = true;
+
+	return 0;
+
+init_err7:
+	if (ras_fw_eeprom_supported(ras_core))
+		ras_fw_eeprom_hw_fini(ras_core);
+	else
+		ras_eeprom_hw_fini(ras_core);
+init_err6:
+	ras_gfx_hw_fini(ras_core);
+init_err5:
+	ras_umc_hw_fini(ras_core);
+init_err4:
+	ras_nbio_hw_fini(ras_core);
+init_err3:
+	ras_mp1_hw_fini(ras_core);
+init_err2:
+	ras_aca_hw_fini(ras_core);
+init_err1:
+	ras_psp_hw_fini(ras_core);
+	return ret;
+}
+
+int ras_core_hw_fini(struct ras_core_context *ras_core)
+{
+	ras_core->is_initialized = false;
+
+	ras_process_fini(ras_core);
+	if (ras_fw_eeprom_supported(ras_core))
+		ras_fw_eeprom_hw_fini(ras_core);
+	else
+		ras_eeprom_hw_fini(ras_core);
+	ras_gfx_hw_fini(ras_core);
+	ras_nbio_hw_fini(ras_core);
+	ras_umc_hw_fini(ras_core);
+	ras_mp1_hw_fini(ras_core);
+	ras_aca_hw_fini(ras_core);
+	ras_psp_hw_fini(ras_core);
+
+	return 0;
+}
+
+bool ras_core_handle_nbio_irq(struct ras_core_context *ras_core, void *data)
+{
+	return ras_nbio_handle_irq_error(ras_core, data);
+}
+
+int ras_core_handle_fatal_error(struct ras_core_context *ras_core)
+{
+	int ret = 0;
+
+	ras_aca_mark_fatal_flag(ras_core);
+
+	ret = ras_core_event_notify(ras_core,
+			RAS_EVENT_ID__FATAL_ERROR_DETECTED, NULL);
+
+	return ret;
+}
+
+uint32_t ras_core_get_curr_nps_mode(struct ras_core_context *ras_core)
+{
+	if (!ras_core)
+		return 0;
+
+	if (ras_core->ras_nbio.ip_func &&
+	    ras_core->ras_nbio.ip_func->get_memory_partition_mode)
+		return ras_core->ras_nbio.ip_func->get_memory_partition_mode(ras_core);
+
+	RAS_DEV_ERR(ras_core->dev, "Failed to get gpu memory nps mode!\n");
+	return 0;
+}
+
+int ras_core_update_ecc_info(struct ras_core_context *ras_core)
+{
+	int ret;
+
+	ret = ras_aca_update_ecc(ras_core, RAS_ERR_TYPE__CE, NULL);
+	if (!ret)
+		ret = ras_aca_update_ecc(ras_core, RAS_ERR_TYPE__UE, NULL);
+
+	return ret;
+}
+
+int ras_core_query_block_ecc_data(struct ras_core_context *ras_core,
+			enum ras_block_id block, struct ras_ecc_count *ecc_count)
+{
+	int ret;
+
+	if (!ecc_count || (block >= RAS_BLOCK_ID__LAST) || !ras_core)
+		return -EINVAL;
+
+	ret = ras_aca_get_block_ecc_count(ras_core, block, ecc_count);
+	if (!ret)
+		ras_aca_clear_block_new_ecc_count(ras_core, block);
+
+	return ret;
+}
+
+int ras_core_set_status(struct ras_core_context *ras_core, bool enable)
+{
+	ras_core->ras_core_enabled = enable;
+
+	return 0;
+}
+
+bool ras_core_is_enabled(struct ras_core_context *ras_core)
+{
+	return ras_core->ras_core_enabled;
+}
+
+uint64_t ras_core_get_utc_second_timestamp(struct ras_core_context *ras_core)
+{
+	if (!ras_core)
+		return 0;
+
+	if (ras_core->sys_fn &&
+	    ras_core->sys_fn->get_utc_second_timestamp)
+		return ras_core->sys_fn->get_utc_second_timestamp(ras_core);
+
+	RAS_DEV_ERR(ras_core->dev, "Failed to get system timestamp!\n");
+	return 0;
+}
+
+int ras_core_translate_soc_pa_and_bank(struct ras_core_context *ras_core,
+	uint64_t *soc_pa, struct umc_bank_addr *bank_addr, bool bank_to_pa)
+{
+	if (!ras_core || !soc_pa || !bank_addr)
+		return -EINVAL;
+
+	return ras_umc_translate_soc_pa_and_bank(ras_core, soc_pa, bank_addr, bank_to_pa);
+}
+
+bool ras_core_ras_interrupt_detected(struct ras_core_context *ras_core)
+{
+	if (ras_core && ras_core->sys_fn &&
+		ras_core->sys_fn->detect_ras_interrupt)
+		return ras_core->sys_fn->detect_ras_interrupt(ras_core);
+
+	if (ras_core && ras_core->dev)
+		RAS_DEV_ERR(ras_core->dev, "Failed to detect ras interrupt!\n");
+
+	return false;
+}
+
+int ras_core_get_gpu_mem(struct ras_core_context *ras_core,
+	enum gpu_mem_type mem_type, struct gpu_mem_block *gpu_mem)
+{
+	if (!ras_core || !gpu_mem)
+		return -EINVAL;
+	if (ras_core->sys_fn && ras_core->sys_fn->get_gpu_mem)
+		return ras_core->sys_fn->get_gpu_mem(ras_core, mem_type, gpu_mem);
+
+	RAS_DEV_ERR(ras_core->dev, "Not config get gpu memory API!\n");
+	return -EACCES;
+}
+
+int ras_core_put_gpu_mem(struct ras_core_context *ras_core,
+	enum gpu_mem_type mem_type, struct gpu_mem_block *gpu_mem)
+{
+	if (!ras_core || !gpu_mem)
+		return -EINVAL;
+	if (ras_core->sys_fn && ras_core->sys_fn->put_gpu_mem)
+		return ras_core->sys_fn->put_gpu_mem(ras_core, mem_type, gpu_mem);
+
+	RAS_DEV_ERR(ras_core->dev, "Not config put gpu memory API!!\n");
+	return -EACCES;
+}
+
+bool ras_core_is_ready(struct ras_core_context *ras_core)
+{
+	return ras_core ? ras_core->is_initialized : false;
+}
+
+bool ras_core_check_safety_watermark(struct ras_core_context *ras_core)
+{
+	if (ras_fw_eeprom_supported(ras_core))
+		return ras_fw_eeprom_check_safety_watermark(ras_core);
+
+	return ras_eeprom_check_safety_watermark(ras_core);
+}
+
+int ras_core_down_trylock_gpu_reset_lock(struct ras_core_context *ras_core)
+{
+	if (ras_core->sys_fn && ras_core->sys_fn->gpu_reset_lock)
+		return ras_core->sys_fn->gpu_reset_lock(ras_core, true, true);
+
+	return 1;
+}
+
+void ras_core_down_gpu_reset_lock(struct ras_core_context *ras_core)
+{
+	if (ras_core->sys_fn && ras_core->sys_fn->gpu_reset_lock)
+		ras_core->sys_fn->gpu_reset_lock(ras_core, true, false);
+}
+
+void ras_core_up_gpu_reset_lock(struct ras_core_context *ras_core)
+{
+	if (ras_core->sys_fn && ras_core->sys_fn->gpu_reset_lock)
+		ras_core->sys_fn->gpu_reset_lock(ras_core, false, false);
+}
+
+int ras_core_event_notify(struct ras_core_context *ras_core,
+		enum ras_notify_event event_id, void *data)
+{
+	if (ras_core && ras_core->sys_fn &&
+		ras_core->sys_fn->ras_notifier)
+		return ras_core->sys_fn->ras_notifier(ras_core, event_id, data);
+
+	return -RAS_CORE_NOT_SUPPORTED;
+}
+
+int ras_core_get_device_system_info(struct ras_core_context *ras_core,
+		struct device_system_info *dev_info)
+{
+	if (!dev_info)
+		return -EINVAL;
+
+	if (ras_core && ras_core->sys_fn &&
+		ras_core->sys_fn->get_device_system_info)
+		return ras_core->sys_fn->get_device_system_info(ras_core, dev_info);
+
+	return -RAS_CORE_NOT_SUPPORTED;
+}
+
+int ras_core_convert_soc_pa_to_cur_nps_pages(struct ras_core_context *ras_core,
+		uint64_t soc_pa, uint64_t *page_pfn, uint32_t max_pages)
+{
+	struct eeprom_umc_record record;
+	uint32_t cur_nps_mode;
+	int count = 0;
+
+	if (!ras_core || !page_pfn || !max_pages)
+		return -EINVAL;
+
+	cur_nps_mode = ras_core_get_curr_nps_mode(ras_core);
+	if (!cur_nps_mode || cur_nps_mode > UMC_MEMORY_PARTITION_MODE_NPS8)
+		return -EINVAL;
+
+	memset(&record, 0, sizeof(record));
+	record.cur_nps_retired_row_pfn = RAS_ADDR_TO_PFN(soc_pa);
+
+	count = ras_umc_convert_record_to_nps_pages(ras_core,
+				&record, cur_nps_mode, page_pfn, max_pages);
+
+	return count;
+}

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_core_status.h

@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __RAS_CORE_STATUS_H__
+#define __RAS_CORE_STATUS_H__
+
+#define RAS_CORE_OK                       0
+#define RAS_CORE_NOT_SUPPORTED            248
+#define RAS_CORE_FAIL_ERROR_QUERY         249
+#define RAS_CORE_FAIL_ERROR_INJECTION     250
+#define RAS_CORE_FAIL_FATAL_RECOVERY      251
+#define RAS_CORE_FAIL_POISON_CONSUMPTION  252
+#define RAS_CORE_FAIL_POISON_CREATION     253
+#define RAS_CORE_FAIL_NO_VALID_BANKS      254
+#define RAS_CORE_GPU_IN_MODE1_RESET       255
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_cper.c

@@ -0,0 +1,315 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "ras.h"
+#include "ras_core_status.h"
+#include "ras_log_ring.h"
+#include "ras_cper.h"
+
+static const struct ras_cper_guid MCE	= CPER_NOTIFY__MCE;
+static const struct ras_cper_guid CMC	= CPER_NOTIFY__CMC;
+static const struct ras_cper_guid BOOT	= BOOT__TYPE;
+
+static const struct ras_cper_guid CRASHDUMP = GPU__CRASHDUMP;
+static const struct ras_cper_guid RUNTIME = GPU__NONSTANDARD_ERROR;
+
+static void cper_get_timestamp(struct ras_core_context *ras_core,
+		struct ras_cper_timestamp *timestamp, uint64_t utc_second_timestamp)
+{
+	struct ras_time tm = {0};
+
+	ras_core_convert_timestamp_to_time(ras_core, utc_second_timestamp, &tm);
+	timestamp->seconds = tm.tm_sec;
+	timestamp->minutes = tm.tm_min;
+	timestamp->hours = tm.tm_hour;
+	timestamp->flag = 0;
+	timestamp->day = tm.tm_mday;
+	timestamp->month = tm.tm_mon;
+	timestamp->year = tm.tm_year % 100;
+	timestamp->century = tm.tm_year / 100;
+}
+
+static void fill_section_hdr(struct ras_core_context *ras_core,
+				struct cper_section_hdr *hdr, enum ras_cper_type type,
+				enum ras_cper_severity sev, struct ras_log_info *trace)
+{
+	struct device_system_info dev_info = {0};
+	char record_id[32];
+
+	hdr->signature[0]		= 'C';
+	hdr->signature[1]		= 'P';
+	hdr->signature[2]		= 'E';
+	hdr->signature[3]		= 'R';
+	hdr->revision			= CPER_HDR__REV_1;
+	hdr->signature_end		= 0xFFFFFFFF;
+	hdr->error_severity		= (sev == RAS_CPER_SEV_RMA ? RAS_CPER_SEV_FATAL_UE : sev);
+
+	hdr->valid_bits.platform_id	= 1;
+	hdr->valid_bits.timestamp	= 1;
+
+	ras_core_get_device_system_info(ras_core, &dev_info);
+
+	cper_get_timestamp(ras_core, &hdr->timestamp, trace->timestamp);
+
+	snprintf(record_id, sizeof(record_id), "%d:%llX", dev_info.socket_id,
+		    RAS_LOG_SEQNO_TO_BATCH_IDX(trace->seqno));
+	memcpy(hdr->record_id, record_id, 8);
+
+	snprintf(hdr->platform_id, 16, "0x%04X:0x%04X",
+		dev_info.vendor_id, dev_info.device_id);
+	/* pmfw version should be part of creator_id according to CPER spec */
+	snprintf(hdr->creator_id, 16, "%s", CPER_CREATOR_ID__AMDGPU);
+
+	switch (type) {
+	case RAS_CPER_TYPE_BOOT:
+		hdr->notify_type = BOOT;
+		break;
+	case RAS_CPER_TYPE_FATAL:
+	case RAS_CPER_TYPE_RMA:
+		hdr->notify_type = MCE;
+		break;
+	case RAS_CPER_TYPE_RUNTIME:
+		if (sev == RAS_CPER_SEV_NON_FATAL_CE)
+			hdr->notify_type = CMC;
+		else
+			hdr->notify_type = MCE;
+		break;
+	default:
+		RAS_DEV_ERR(ras_core->dev, "Unknown CPER Type\n");
+		break;
+	}
+}
+
+static int fill_section_descriptor(struct ras_core_context *ras_core,
+					struct cper_section_descriptor *descriptor,
+					enum ras_cper_severity sev,
+					struct ras_cper_guid sec_type,
+					uint32_t section_offset,
+					uint32_t section_length)
+{
+	struct device_system_info dev_info = {0};
+
+	descriptor->revision_minor		= CPER_SEC__MINOR_REV_1;
+	descriptor->revision_major		= CPER_SEC__MAJOR_REV_22;
+	descriptor->sec_offset		= section_offset;
+	descriptor->sec_length		= section_length;
+	descriptor->valid_bits.fru_text	= 1;
+	descriptor->flag_bits.primary	= 1;
+	descriptor->severity = (sev == RAS_CPER_SEV_RMA ? RAS_CPER_SEV_FATAL_UE : sev);
+	descriptor->sec_type			= sec_type;
+
+	ras_core_get_device_system_info(ras_core, &dev_info);
+
+	snprintf(descriptor->fru_text, 20, "OAM%d", dev_info.socket_id);
+
+	if (sev == RAS_CPER_SEV_RMA)
+		descriptor->flag_bits.exceed_err_threshold = 1;
+
+	if (sev == RAS_CPER_SEV_NON_FATAL_UE)
+		descriptor->flag_bits.latent_err = 1;
+
+	return 0;
+}
+
+static int fill_section_fatal(struct ras_core_context *ras_core,
+		struct cper_section_fatal *fatal, struct ras_log_info *trace)
+{
+	fatal->data.reg_ctx_type = CPER_CTX_TYPE__CRASH;
+	fatal->data.reg_arr_size = sizeof(fatal->data.reg);
+
+	fatal->data.reg.status = trace->aca_reg.regs[RAS_CPER_ACA_REG_STATUS];
+	fatal->data.reg.addr   = trace->aca_reg.regs[RAS_CPER_ACA_REG_ADDR];
+	fatal->data.reg.ipid   = trace->aca_reg.regs[RAS_CPER_ACA_REG_IPID];
+	fatal->data.reg.synd   = trace->aca_reg.regs[RAS_CPER_ACA_REG_SYND];
+
+	return 0;
+}
+
+static int fill_section_runtime(struct ras_core_context *ras_core,
+		struct cper_section_runtime *runtime, struct ras_log_info *trace,
+		enum ras_cper_severity sev)
+{
+	runtime->hdr.valid_bits.err_info_cnt = 1;
+	runtime->hdr.valid_bits.err_context_cnt = 1;
+
+	runtime->descriptor.error_type = RUNTIME;
+	runtime->descriptor.ms_chk_bits.err_type_valid = 1;
+	if (sev == RAS_CPER_SEV_RMA) {
+		runtime->descriptor.valid_bits.ms_chk = 1;
+		runtime->descriptor.ms_chk_bits.err_type = 1;
+		runtime->descriptor.ms_chk_bits.pcc = 1;
+	}
+
+	runtime->reg.reg_ctx_type = CPER_CTX_TYPE__CRASH;
+	runtime->reg.reg_arr_size = sizeof(runtime->reg.reg_dump);
+
+	runtime->reg.reg_dump[RAS_CPER_ACA_REG_CTL]    = trace->aca_reg.regs[ACA_REG_IDX__CTL];
+	runtime->reg.reg_dump[RAS_CPER_ACA_REG_STATUS] = trace->aca_reg.regs[ACA_REG_IDX__STATUS];
+	runtime->reg.reg_dump[RAS_CPER_ACA_REG_ADDR]   = trace->aca_reg.regs[ACA_REG_IDX__ADDR];
+	runtime->reg.reg_dump[RAS_CPER_ACA_REG_MISC0]  = trace->aca_reg.regs[ACA_REG_IDX__MISC0];
+	runtime->reg.reg_dump[RAS_CPER_ACA_REG_CONFIG] = trace->aca_reg.regs[ACA_REG_IDX__CONFG];
+	runtime->reg.reg_dump[RAS_CPER_ACA_REG_IPID]   = trace->aca_reg.regs[ACA_REG_IDX__IPID];
+	runtime->reg.reg_dump[RAS_CPER_ACA_REG_SYND]   = trace->aca_reg.regs[ACA_REG_IDX__SYND];
+
+	return 0;
+}
+
+static int cper_generate_runtime_record(struct ras_core_context *ras_core,
+	struct cper_section_hdr *hdr, struct ras_log_info *trace_arr, uint32_t arr_num,
+		enum ras_cper_severity sev)
+{
+	struct cper_section_descriptor *descriptor;
+	struct cper_section_runtime *runtime;
+	int i;
+
+	fill_section_hdr(ras_core, hdr, RAS_CPER_TYPE_RUNTIME, sev, &trace_arr[0]);
+	hdr->record_length =  RAS_HDR_LEN + ((RAS_SEC_DESC_LEN + RAS_NONSTD_SEC_LEN) * arr_num);
+	hdr->sec_cnt = arr_num;
+	for (i = 0; i < arr_num; i++) {
+		descriptor = (struct cper_section_descriptor *)((uint8_t *)hdr +
+			     RAS_SEC_DESC_OFFSET(i));
+		runtime = (struct cper_section_runtime *)((uint8_t *)hdr +
+			  RAS_NONSTD_SEC_OFFSET(hdr->sec_cnt, i));
+
+		fill_section_descriptor(ras_core, descriptor, sev, RUNTIME,
+			RAS_NONSTD_SEC_OFFSET(hdr->sec_cnt, i),
+			sizeof(struct cper_section_runtime));
+		fill_section_runtime(ras_core, runtime, &trace_arr[i], sev);
+	}
+
+	return 0;
+}
+
+static int cper_generate_fatal_record(struct ras_core_context *ras_core,
+	uint8_t *buffer, struct ras_log_info *trace_arr, uint32_t arr_num)
+{
+	struct ras_cper_fatal_record record = {0};
+	int i = 0;
+
+	for (i = 0; i < arr_num; i++) {
+		fill_section_hdr(ras_core, &record.hdr, RAS_CPER_TYPE_FATAL,
+				 RAS_CPER_SEV_FATAL_UE, &trace_arr[i]);
+		record.hdr.record_length =  RAS_HDR_LEN + RAS_SEC_DESC_LEN + RAS_FATAL_SEC_LEN;
+		record.hdr.sec_cnt = 1;
+
+		fill_section_descriptor(ras_core, &record.descriptor, RAS_CPER_SEV_FATAL_UE,
+					CRASHDUMP, offsetof(struct ras_cper_fatal_record, fatal),
+					sizeof(struct cper_section_fatal));
+
+		fill_section_fatal(ras_core, &record.fatal, &trace_arr[i]);
+
+		memcpy(buffer + (i * record.hdr.record_length),
+				&record, record.hdr.record_length);
+	}
+
+	return 0;
+}
+
+static int cper_get_record_size(enum ras_cper_type type, uint16_t section_count)
+{
+	int size = 0;
+
+	size += RAS_HDR_LEN;
+	size += (RAS_SEC_DESC_LEN * section_count);
+
+	switch (type) {
+	case RAS_CPER_TYPE_RUNTIME:
+	case RAS_CPER_TYPE_RMA:
+		size += (RAS_NONSTD_SEC_LEN * section_count);
+		break;
+	case RAS_CPER_TYPE_FATAL:
+		size += (RAS_FATAL_SEC_LEN * section_count);
+		size += (RAS_HDR_LEN * (section_count - 1));
+		break;
+	case RAS_CPER_TYPE_BOOT:
+		size += (RAS_BOOT_SEC_LEN * section_count);
+		break;
+	default:
+		/* should never reach here */
+		break;
+	}
+
+	return size;
+}
+
+static enum ras_cper_type cper_ras_log_event_to_cper_type(enum ras_log_event event)
+{
+	switch (event) {
+	case RAS_LOG_EVENT_UE:
+		return RAS_CPER_TYPE_FATAL;
+	case RAS_LOG_EVENT_DE:
+	case RAS_LOG_EVENT_CE:
+	case RAS_LOG_EVENT_POISON_CREATION:
+	case RAS_LOG_EVENT_POISON_CONSUMPTION:
+		return RAS_CPER_TYPE_RUNTIME;
+	case RAS_LOG_EVENT_RMA:
+		return RAS_CPER_TYPE_RMA;
+	default:
+		/* should never reach here */
+		return RAS_CPER_TYPE_RUNTIME;
+	}
+}
+
+int ras_cper_generate_cper(struct ras_core_context *ras_core,
+		struct ras_log_info *trace_list, uint32_t count,
+		uint8_t *buf, uint32_t buf_len, uint32_t *real_data_len)
+{
+	uint8_t *buffer = buf;
+	uint64_t buf_size = buf_len;
+	int record_size, saved_size = 0;
+	struct cper_section_hdr *hdr;
+
+	/* All the batch traces share the same event */
+	record_size = cper_get_record_size(
+			cper_ras_log_event_to_cper_type(trace_list[0].event), count);
+
+	if ((record_size + saved_size) > buf_size)
+		return -ENOMEM;
+
+	hdr = (struct cper_section_hdr *)(buffer + saved_size);
+
+	switch (trace_list[0].event) {
+	case RAS_LOG_EVENT_RMA:
+		cper_generate_runtime_record(ras_core, hdr, trace_list, count, RAS_CPER_SEV_RMA);
+		break;
+	case RAS_LOG_EVENT_DE:
+		cper_generate_runtime_record(ras_core,
+			hdr, trace_list, count, RAS_CPER_SEV_NON_FATAL_UE);
+		break;
+	case RAS_LOG_EVENT_CE:
+		cper_generate_runtime_record(ras_core,
+			hdr, trace_list, count, RAS_CPER_SEV_NON_FATAL_CE);
+		break;
+	case RAS_LOG_EVENT_UE:
+		cper_generate_fatal_record(ras_core, buffer + saved_size, trace_list, count);
+		break;
+	default:
+		RAS_DEV_WARN(ras_core->dev, "Unprocessed trace event: %d\n", trace_list[0].event);
+		break;
+	}
+
+	saved_size += record_size;
+
+	*real_data_len = saved_size;
+	return 0;
+}

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_cper.h

@@ -0,0 +1,304 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#ifndef __RAS_CPER_H__
+#define __RAS_CPER_H__
+
+#define CPER_UUID_MAX_SIZE 16
+struct ras_cper_guid {
+	uint8_t b[CPER_UUID_MAX_SIZE];
+};
+
+#define CPER_GUID__INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)			\
+	((struct ras_cper_guid)								\
+	{{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
+		(b) & 0xff, ((b) >> 8) & 0xff,					\
+		(c) & 0xff, ((c) >> 8) & 0xff,					\
+		(d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
+
+#define CPER_HDR__REV_1          (0x100)
+#define CPER_SEC__MINOR_REV_1    (0x01)
+#define CPER_SEC__MAJOR_REV_22   (0x22)
+#define CPER_OAM_MAX_COUNT      (8)
+
+#define CPER_CTX_TYPE__CRASH     (1)
+#define CPER_CTX_TYPE__BOOT      (9)
+
+#define CPER_CREATOR_ID__AMDGPU	"amdgpu"
+
+#define CPER_NOTIFY__MCE                                               \
+	CPER_GUID__INIT(0xE8F56FFE, 0x919C, 0x4cc5, 0xBA, 0x88, 0x65, 0xAB, \
+		  0xE1, 0x49, 0x13, 0xBB)
+#define CPER_NOTIFY__CMC                                               \
+	CPER_GUID__INIT(0x2DCE8BB1, 0xBDD7, 0x450e, 0xB9, 0xAD, 0x9C, 0xF4, \
+		  0xEB, 0xD4, 0xF8, 0x90)
+#define BOOT__TYPE                                                     \
+	CPER_GUID__INIT(0x3D61A466, 0xAB40, 0x409a, 0xA6, 0x98, 0xF3, 0x62, \
+		  0xD4, 0x64, 0xB3, 0x8F)
+
+#define GPU__CRASHDUMP                                                 \
+	CPER_GUID__INIT(0x32AC0C78, 0x2623, 0x48F6, 0xB0, 0xD0, 0x73, 0x65, \
+		  0x72, 0x5F, 0xD6, 0xAE)
+#define GPU__NONSTANDARD_ERROR                                     \
+	CPER_GUID__INIT(0x32AC0C78, 0x2623, 0x48F6, 0x81, 0xA2, 0xAC, 0x69, \
+		  0x17, 0x80, 0x55, 0x1D)
+#define PROC_ERR__SECTION_TYPE                                         \
+	CPER_GUID__INIT(0xDC3EA0B0, 0xA144, 0x4797, 0xB9, 0x5B, 0x53, 0xFA, \
+		  0x24, 0x2B, 0x6E, 0x1D)
+
+enum ras_cper_type {
+	RAS_CPER_TYPE_RUNTIME,
+	RAS_CPER_TYPE_FATAL,
+	RAS_CPER_TYPE_BOOT,
+	RAS_CPER_TYPE_RMA,
+};
+
+enum ras_cper_severity {
+	RAS_CPER_SEV_NON_FATAL_UE   = 0,
+	RAS_CPER_SEV_FATAL_UE       = 1,
+	RAS_CPER_SEV_NON_FATAL_CE   = 2,
+	RAS_CPER_SEV_RMA            = 3,
+
+	RAS_CPER_SEV_UNUSED = 10,
+};
+
+enum ras_cper_aca_reg {
+	RAS_CPER_ACA_REG_CTL    = 0,
+	RAS_CPER_ACA_REG_STATUS = 1,
+	RAS_CPER_ACA_REG_ADDR   = 2,
+	RAS_CPER_ACA_REG_MISC0  = 3,
+	RAS_CPER_ACA_REG_CONFIG = 4,
+	RAS_CPER_ACA_REG_IPID   = 5,
+	RAS_CPER_ACA_REG_SYND   = 6,
+	RAS_CPER_ACA_REG_DESTAT	= 8,
+	RAS_CPER_ACA_REG_DEADDR	= 9,
+	RAS_CPER_ACA_REG_MASK	= 10,
+
+	RAS_CPER_ACA_REG_COUNT     = 16,
+};
+
+#pragma pack(push, 1)
+
+struct ras_cper_timestamp {
+	uint8_t seconds;
+	uint8_t minutes;
+	uint8_t hours;
+	uint8_t flag;
+	uint8_t day;
+	uint8_t month;
+	uint8_t year;
+	uint8_t century;
+};
+
+struct cper_section_hdr {
+	char                     signature[4];  /* "CPER"  */
+	uint16_t                 revision;
+	uint32_t                 signature_end; /* 0xFFFFFFFF */
+	uint16_t                 sec_cnt;
+	enum ras_cper_severity error_severity;
+	union {
+		struct {
+			uint32_t platform_id	: 1;
+			uint32_t timestamp	: 1;
+			uint32_t partition_id	: 1;
+			uint32_t reserved	: 29;
+		} valid_bits;
+		uint32_t valid_mask;
+	};
+	uint32_t		record_length;    /* Total size of CPER Entry */
+	struct ras_cper_timestamp timestamp;
+	char			platform_id[16];
+	struct ras_cper_guid			partition_id;     /* Reserved */
+	char			creator_id[16];
+	struct ras_cper_guid			notify_type;      /* CMC, MCE */
+	char			record_id[8];     /* Unique CPER Entry ID */
+	uint32_t		flags;            /* Reserved */
+	uint64_t		persistence_info; /* Reserved */
+	uint8_t			reserved[12];     /* Reserved */
+};
+
+struct cper_section_descriptor {
+	uint32_t sec_offset;     /* Offset from the start of CPER entry */
+	uint32_t sec_length;
+	uint8_t  revision_minor; /* CPER_SEC_MINOR_REV_1 */
+	uint8_t  revision_major; /* CPER_SEC_MAJOR_REV_22 */
+	union {
+		struct {
+			uint8_t fru_id		: 1;
+			uint8_t fru_text	: 1;
+			uint8_t reserved	: 6;
+		} valid_bits;
+		uint8_t valid_mask;
+	};
+	uint8_t reserved;
+	union {
+		struct {
+			uint32_t primary		: 1;
+			uint32_t reserved1		: 2;
+			uint32_t exceed_err_threshold	: 1;
+			uint32_t latent_err		: 1;
+			uint32_t reserved2		: 27;
+		} flag_bits;
+		uint32_t flag_mask;
+	};
+	struct ras_cper_guid			sec_type;
+	char				fru_id[16];
+	enum ras_cper_severity severity;
+	char				fru_text[20];
+};
+
+struct runtime_hdr {
+	union {
+		struct {
+			uint64_t apic_id		: 1;
+			uint64_t fw_id			: 1;
+			uint64_t err_info_cnt		: 6;
+			uint64_t err_context_cnt	: 6;
+		} valid_bits;
+		uint64_t valid_mask;
+	};
+	uint64_t apic_id;
+	char     fw_id[48];
+};
+
+struct runtime_descriptor {
+	struct ras_cper_guid error_type;
+	union {
+		struct {
+			uint64_t ms_chk			: 1;
+			uint64_t target_addr_id		: 1;
+			uint64_t req_id			: 1;
+			uint64_t resp_id		: 1;
+			uint64_t instr_ptr		: 1;
+			uint64_t reserved		: 59;
+		} valid_bits;
+		uint64_t        valid_mask;
+	};
+	union {
+		struct {
+			uint64_t err_type_valid		: 1;
+			uint64_t pcc_valid		: 1;
+			uint64_t uncorr_valid		: 1;
+			uint64_t precise_ip_valid	: 1;
+			uint64_t restartable_ip_valid	: 1;
+			uint64_t overflow_valid		: 1;
+			uint64_t reserved1		: 10;
+			uint64_t err_type		: 2;
+			uint64_t pcc			: 1;
+			uint64_t uncorr			: 1;
+			uint64_t precised_ip		: 1;
+			uint64_t restartable_ip		: 1;
+			uint64_t overflow		: 1;
+			uint64_t reserved2		: 41;
+		} ms_chk_bits;
+		uint64_t ms_chk_mask;
+	};
+	uint64_t target_addr_id;
+	uint64_t req_id;
+	uint64_t resp_id;
+	uint64_t instr_ptr;
+};
+
+struct runtime_error_reg {
+	uint16_t reg_ctx_type;
+	uint16_t reg_arr_size;
+	uint32_t msr_addr;
+	uint64_t mm_reg_addr;
+	uint64_t reg_dump[RAS_CPER_ACA_REG_COUNT];
+};
+
+struct cper_section_runtime {
+	struct runtime_hdr  hdr;
+	struct runtime_descriptor descriptor;
+	struct runtime_error_reg  reg;
+};
+
+struct crashdump_hdr {
+	uint64_t reserved1;
+	uint64_t reserved2;
+	char     fw_id[48];
+	uint64_t reserved3[8];
+};
+
+struct fatal_reg_info {
+	uint64_t status;
+	uint64_t addr;
+	uint64_t ipid;
+	uint64_t synd;
+};
+
+struct crashdump_fatal {
+	uint16_t reg_ctx_type;
+	uint16_t reg_arr_size;
+	uint32_t reserved1;
+	uint64_t reserved2;
+	struct fatal_reg_info reg;
+};
+
+struct crashdump_boot {
+	uint16_t reg_ctx_type;
+	uint16_t reg_arr_size;
+	uint32_t reserved1;
+	uint64_t reserved2;
+	uint64_t msg[CPER_OAM_MAX_COUNT];
+};
+
+struct cper_section_fatal {
+	struct crashdump_hdr    hdr;
+	struct crashdump_fatal  data;
+};
+
+struct cper_section_boot {
+	struct crashdump_hdr  hdr;
+	struct crashdump_boot data;
+};
+
+struct ras_cper_fatal_record {
+	struct cper_section_hdr hdr;
+	struct cper_section_descriptor descriptor;
+	struct cper_section_fatal fatal;
+};
+#pragma pack(pop)
+
+#define RAS_HDR_LEN				(sizeof(struct cper_section_hdr))
+#define RAS_SEC_DESC_LEN			(sizeof(struct cper_sec_desc))
+
+#define RAS_BOOT_SEC_LEN			(sizeof(struct cper_sec_crashdump_boot))
+#define RAS_FATAL_SEC_LEN			(sizeof(struct cper_sec_crashdump_fatal))
+#define RAS_NONSTD_SEC_LEN			(sizeof(struct cper_sec_nonstd_err))
+
+#define RAS_SEC_DESC_OFFSET(idx)		(RAS_HDR_LEN + (RAS_SEC_DESC_LEN * idx))
+
+#define RAS_BOOT_SEC_OFFSET(count, idx) \
+	(RAS_HDR_LEN + (RAS_SEC_DESC_LEN * count) + (RAS_BOOT_SEC_LEN * idx))
+#define RAS_FATAL_SEC_OFFSET(count, idx) \
+	(RAS_HDR_LEN + (RAS_SEC_DESC_LEN * count) + (RAS_FATAL_SEC_LEN * idx))
+#define RAS_NONSTD_SEC_OFFSET(count, idx) \
+	(RAS_HDR_LEN + (RAS_SEC_DESC_LEN * count) + (RAS_NONSTD_SEC_LEN * idx))
+
+struct ras_core_context;
+struct ras_log_info;
+int ras_cper_generate_cper(struct ras_core_context *ras_core,
+		struct ras_log_info *trace_list, uint32_t count,
+		uint8_t *buf, uint32_t buf_len, uint32_t *real_data_len);
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_eeprom.h

@@ -0,0 +1,190 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __RAS_EEPROM_H__
+#define __RAS_EEPROM_H__
+#include "ras_sys.h"
+
+#define RAS_TABLE_VER_V1           0x00010000
+#define RAS_TABLE_VER_V2_1         0x00021000
+#define RAS_TABLE_VER_V3           0x00030000
+
+#define NONSTOP_OVER_THRESHOLD              -2
+#define WARN_NONSTOP_OVER_THRESHOLD         -1
+#define DISABLE_RETIRE_PAGE                 0
+
+/*
+ * Bad address pfn : eeprom_umc_record.retired_row_pfn[39:0],
+ * nps mode: eeprom_umc_record.retired_row_pfn[47:40]
+ */
+#define EEPROM_RECORD_UMC_ADDR_MASK 0xFFFFFFFFFFULL
+#define EEPROM_RECORD_UMC_NPS_MASK  0xFF0000000000ULL
+#define EEPROM_RECORD_UMC_NPS_SHIFT 40
+
+#define EEPROM_RECORD_UMC_NPS_MODE(RECORD) \
+	(((RECORD)->retired_row_pfn & EEPROM_RECORD_UMC_NPS_MASK) >> \
+		EEPROM_RECORD_UMC_NPS_SHIFT)
+
+#define EEPROM_RECORD_UMC_ADDR_PFN(RECORD) \
+	((RECORD)->retired_row_pfn & EEPROM_RECORD_UMC_ADDR_MASK)
+
+#define EEPROM_RECORD_SETUP_UMC_ADDR_AND_NPS(RECORD, ADDR, NPS) \
+do { \
+	uint64_t tmp = (NPS); \
+	tmp = ((tmp << EEPROM_RECORD_UMC_NPS_SHIFT) & EEPROM_RECORD_UMC_NPS_MASK); \
+	tmp |= (ADDR) & EEPROM_RECORD_UMC_ADDR_MASK; \
+	(RECORD)->retired_row_pfn = tmp; \
+} while (0)
+
+enum ras_eeprom_err_type {
+	RAS_EEPROM_ERR_NA,
+	RAS_EEPROM_ERR_RECOVERABLE,
+	RAS_EEPROM_ERR_NON_RECOVERABLE,
+	RAS_EEPROM_ERR_COUNT,
+};
+
+struct ras_eeprom_table_header {
+	uint32_t header;
+	uint32_t version;
+	uint32_t first_rec_offset;
+	uint32_t tbl_size;
+	uint32_t checksum;
+} __packed;
+
+struct ras_eeprom_table_ras_info {
+	u8  rma_status;
+	u8  health_percent;
+	u16 ecc_page_threshold;
+	u32 padding[64 - 1];
+} __packed;
+
+struct ras_eeprom_control {
+	struct ras_eeprom_table_header tbl_hdr;
+	struct ras_eeprom_table_ras_info tbl_rai;
+
+	/* record threshold */
+	int record_threshold_config;
+	uint32_t record_threshold_count;
+	bool update_channel_flag;
+
+	const struct ras_eeprom_sys_func *sys_func;
+	void *i2c_adapter;
+	u32 i2c_port;
+	u16 max_read_len;
+	u16 max_write_len;
+
+	/* Base I2C EEPPROM 19-bit memory address,
+	 * where the table is located. For more information,
+	 * see top of amdgpu_eeprom.c.
+	 */
+	u32 i2c_address;
+
+	/* The byte offset off of @i2c_address
+	 * where the table header is found,
+	 * and where the records start--always
+	 * right after the header.
+	 */
+	u32 ras_header_offset;
+	u32 ras_info_offset;
+	u32 ras_record_offset;
+
+	/* Number of records in the table.
+	 */
+	u32 ras_num_recs;
+
+	/* First record index to read, 0-based.
+	 * Range is [0, num_recs-1]. This is
+	 * an absolute index, starting right after
+	 * the table header.
+	 */
+	u32 ras_fri;
+
+	/* Maximum possible number of records
+	 * we could store, i.e. the maximum capacity
+	 * of the table.
+	 */
+	u32 ras_max_record_count;
+
+	/* Protect table access via this mutex.
+	 */
+	struct mutex ras_tbl_mutex;
+
+	/* Record channel info which occurred bad pages
+	 */
+	u32 bad_channel_bitmap;
+};
+
+/*
+ * Represents single table record. Packed to be easily serialized into byte
+ * stream.
+ */
+struct eeprom_umc_record {
+
+	union {
+		uint64_t address;
+		uint64_t offset;
+	};
+
+	uint64_t retired_row_pfn;
+	uint64_t ts;
+
+	enum ras_eeprom_err_type err_type;
+
+	union {
+		unsigned char bank;
+		unsigned char cu;
+	};
+
+	unsigned char mem_channel;
+	unsigned char mcumc_id;
+
+	/* The following variables will not be saved to eeprom.
+	 */
+	uint64_t cur_nps_retired_row_pfn;
+	uint32_t cur_nps_bank;
+	uint32_t cur_nps;
+};
+
+struct ras_core_context;
+int ras_eeprom_hw_init(struct ras_core_context *ras_core);
+int ras_eeprom_hw_fini(struct ras_core_context *ras_core);
+
+int ras_eeprom_reset_table(struct ras_core_context *ras_core);
+
+bool ras_eeprom_check_safety_watermark(struct ras_core_context *ras_core);
+
+int ras_eeprom_read(struct ras_core_context *ras_core,
+			 struct eeprom_umc_record *records, const u32 num);
+
+int ras_eeprom_append(struct ras_core_context *ras_core,
+			   struct eeprom_umc_record *records, const u32 num);
+
+uint32_t ras_eeprom_max_record_count(struct ras_core_context *ras_core);
+uint32_t ras_eeprom_get_record_count(struct ras_core_context *ras_core);
+void ras_eeprom_sync_info(struct ras_core_context *ras_core);
+
+int ras_eeprom_check_storage_status(struct ras_core_context *ras_core);
+enum ras_gpu_health_status
+	ras_eeprom_check_gpu_status(struct ras_core_context *ras_core);
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_eeprom_fw.c

@@ -0,0 +1,522 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2026 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "ras.h"
+
+#define RAS_SMU_MESSAGE_TIMEOUT_MS 1000 /* 1s */
+
+void ras_fw_init_feature_flags(struct ras_core_context *ras_core)
+{
+	struct ras_mp1 *mp1 = &ras_core->ras_mp1;
+	const struct ras_mp1_sys_func *sys_func = mp1->sys_func;
+	uint64_t flags = 0ULL;
+
+	if (!sys_func || !sys_func->mp1_get_ras_enabled_mask)
+		return;
+
+	if (!sys_func->mp1_get_ras_enabled_mask(ras_core, &flags))
+		ras_core->ras_fw_features = flags;
+}
+
+bool ras_fw_eeprom_supported(struct ras_core_context *ras_core)
+{
+	return !!(ras_core->ras_fw_features & RAS_CORE_FW_FEATURE_BIT__RAS_EEPROM);
+}
+
+int ras_fw_get_table_version(struct ras_core_context *ras_core,
+				     uint32_t *table_version)
+{
+	struct ras_mp1 *mp1 = &ras_core->ras_mp1;
+	const struct ras_mp1_sys_func *sys_func = mp1->sys_func;
+
+	return sys_func->mp1_send_eeprom_msg(ras_core,
+				RAS_SMU_GetRASTableVersion, 0, table_version);
+}
+
+int ras_fw_get_badpage_count(struct ras_core_context *ras_core,
+				     uint32_t *count, uint32_t timeout)
+{
+	struct ras_mp1 *mp1 = &ras_core->ras_mp1;
+	const struct ras_mp1_sys_func *sys_func = mp1->sys_func;
+	uint64_t end, now;
+	int ret = 0;
+
+	now = (uint64_t)ktime_to_ms(ktime_get());
+	end = now + timeout;
+
+	do {
+		ret = sys_func->mp1_send_eeprom_msg(ras_core,
+			RAS_SMU_GetBadPageCount, 0, count);
+		/* eeprom is not ready */
+		if (ret != -EBUSY)
+			return ret;
+
+		mdelay(10);
+		now = (uint64_t)ktime_to_ms(ktime_get());
+	} while (now < end);
+
+	RAS_DEV_ERR(ras_core->dev,
+			"smu get bad page count timeout!\n");
+	return ret;
+}
+
+int ras_fw_get_badpage_mca_addr(struct ras_core_context *ras_core,
+					uint16_t index, uint64_t *mca_addr)
+{
+	struct ras_mp1 *mp1 = &ras_core->ras_mp1;
+	const struct ras_mp1_sys_func *sys_func = mp1->sys_func;
+	uint32_t temp_arg, temp_addr_lo, temp_addr_high;
+	int ret;
+
+	temp_arg = index | (1 << 16);
+	ret = sys_func->mp1_send_eeprom_msg(ras_core,
+			RAS_SMU_GetBadPageMcaAddr, temp_arg, &temp_addr_lo);
+	if (ret)
+		return ret;
+
+	temp_arg = index | (2 << 16);
+	ret = sys_func->mp1_send_eeprom_msg(ras_core,
+			RAS_SMU_GetBadPageMcaAddr, temp_arg, &temp_addr_high);
+
+	if (!ret)
+		*mca_addr = (uint64_t)temp_addr_high << 32 | temp_addr_lo;
+
+	return ret;
+}
+
+int ras_fw_set_timestamp(struct ras_core_context *ras_core,
+				 uint64_t timestamp)
+{
+	struct ras_mp1 *mp1 = &ras_core->ras_mp1;
+	const struct ras_mp1_sys_func *sys_func = mp1->sys_func;
+
+	return sys_func->mp1_send_eeprom_msg(ras_core,
+			RAS_SMU_SetTimestamp, (uint32_t)timestamp, 0);
+}
+
+int ras_fw_get_timestamp(struct ras_core_context *ras_core,
+				 uint16_t index, uint64_t *timestamp)
+{
+	struct ras_mp1 *mp1 = &ras_core->ras_mp1;
+	const struct ras_mp1_sys_func *sys_func = mp1->sys_func;
+	uint32_t temp = 0;
+	int ret;
+
+	ret = sys_func->mp1_send_eeprom_msg(ras_core,
+			RAS_SMU_GetTimestamp, index, &temp);
+	if (!ret)
+		*timestamp = temp;
+
+	return ret;
+}
+
+int ras_fw_get_badpage_ipid(struct ras_core_context *ras_core,
+				    uint16_t index, uint64_t *ipid)
+{
+	struct ras_mp1 *mp1 = &ras_core->ras_mp1;
+	const struct ras_mp1_sys_func *sys_func = mp1->sys_func;
+	uint32_t temp_arg, temp_ipid_lo, temp_ipid_high;
+	int ret;
+
+	temp_arg = index | (1 << 16);
+	ret = sys_func->mp1_send_eeprom_msg(ras_core,
+			RAS_SMU_GetBadPageIpid, temp_arg, &temp_ipid_lo);
+	if (ret)
+		return ret;
+
+	temp_arg = index | (2 << 16);
+	ret = sys_func->mp1_send_eeprom_msg(ras_core,
+			RAS_SMU_GetBadPageIpid, temp_arg, &temp_ipid_high);
+	if (!ret)
+		*ipid = (uint64_t)temp_ipid_high << 32 | temp_ipid_lo;
+
+	return ret;
+}
+
+int ras_fw_erase_ras_table(struct ras_core_context *ras_core,
+				   uint32_t *result)
+{
+	struct ras_mp1 *mp1 = &ras_core->ras_mp1;
+	const struct ras_mp1_sys_func *sys_func = mp1->sys_func;
+
+	return sys_func->mp1_send_eeprom_msg(ras_core,
+			RAS_SMU_EraseRasTable, 0, result);
+}
+
+int ras_fw_eeprom_reset_table(struct ras_core_context *ras_core)
+{
+	struct ras_fw_eeprom_control *control = &ras_core->ras_fw_eeprom;
+	u32 erase_res = 0;
+	int res;
+
+	mutex_lock(&control->ras_tbl_mutex);
+
+	res = ras_fw_erase_ras_table(ras_core, &erase_res);
+	if (res || erase_res) {
+		RAS_DEV_WARN(ras_core->dev, "RAS EEPROM reset failed, res:%d result:%d",
+									res, erase_res);
+		if (!res)
+			res = -EIO;
+	}
+
+	control->ras_num_recs = 0;
+	control->bad_channel_bitmap = 0;
+	ras_core_event_notify(ras_core, RAS_EVENT_ID__UPDATE_BAD_PAGE_NUM,
+		&control->ras_num_recs);
+	ras_core_event_notify(ras_core, RAS_EVENT_ID__UPDATE_BAD_CHANNEL_BITMAP,
+		&control->bad_channel_bitmap);
+	control->update_channel_flag = false;
+
+	mutex_unlock(&control->ras_tbl_mutex);
+
+	return res;
+}
+
+bool ras_fw_eeprom_check_safety_watermark(struct ras_core_context *ras_core)
+{
+	struct ras_fw_eeprom_control *control = &ras_core->ras_fw_eeprom;
+	bool ret = false;
+	int bad_page_count;
+
+	if (!control->record_threshold_config)
+		return false;
+
+	bad_page_count = ras_umc_get_badpage_count(ras_core);
+
+	if (bad_page_count > control->record_threshold_count)
+		RAS_DEV_WARN(ras_core->dev, "RAS records:%d exceed threshold:%d",
+			bad_page_count, control->record_threshold_count);
+
+	if ((control->record_threshold_config == WARN_NONSTOP_OVER_THRESHOLD) ||
+		(control->record_threshold_config == NONSTOP_OVER_THRESHOLD)) {
+		RAS_DEV_WARN(ras_core->dev,
+			"Please consult AMD Service Action Guide (SAG) for appropriate service procedures.\n");
+		ret = false;
+	} else {
+		ras_core->is_rma = true;
+		RAS_DEV_WARN(ras_core->dev,
+			"Please consider adjusting the customized threshold.\n");
+		ret = true;
+	}
+
+	return ret;
+}
+
+int ras_fw_eeprom_append(struct ras_core_context *ras_core,
+			   struct eeprom_umc_record *record, const u32 num)
+{
+	struct ras_fw_eeprom_control *control = &ras_core->ras_fw_eeprom;
+	int threshold_config = control->record_threshold_config;
+	int i, bad_page_count;
+
+	mutex_lock(&control->ras_tbl_mutex);
+
+	for (i = 0; i < num; i++) {
+		/* update bad channel bitmap */
+		if ((record[i].mem_channel < BITS_PER_TYPE(control->bad_channel_bitmap)) &&
+			!(control->bad_channel_bitmap & (1 << record[i].mem_channel))) {
+			control->bad_channel_bitmap |= 1 << record[i].mem_channel;
+			control->update_channel_flag = true;
+		}
+	}
+	control->ras_num_recs += num;
+
+	bad_page_count = ras_umc_get_badpage_count(ras_core);
+
+	if (threshold_config != 0 &&
+		bad_page_count > control->record_threshold_count) {
+		RAS_DEV_WARN(ras_core->dev,
+			"Saved bad pages %d reaches threshold value %d\n",
+			bad_page_count, control->record_threshold_count);
+
+		if ((threshold_config != WARN_NONSTOP_OVER_THRESHOLD) &&
+			(threshold_config != NONSTOP_OVER_THRESHOLD))
+			ras_core->is_rma = true;
+
+		/* ignore the -ENOTSUPP return value */
+		ras_core_event_notify(ras_core, RAS_EVENT_ID__DEVICE_RMA, NULL);
+	}
+
+	mutex_unlock(&control->ras_tbl_mutex);
+	return 0;
+}
+
+int ras_fw_eeprom_read_idx(struct ras_core_context *ras_core,
+			 struct eeprom_umc_record *record_umc,
+			 struct ras_bank_ecc *ras_ecc,
+			 u32 rec_idx, const u32 num)
+{
+	struct ras_fw_eeprom_control *control = &ras_core->ras_fw_eeprom;
+	int i, ret, end_idx;
+	u64 mca, ipid, ts;
+	u32 cu, mem_channel, mcumc_id;
+
+	if (!ras_core->ras_umc.ip_func ||
+	    !ras_core->ras_umc.ip_func->mca_ipid_parse)
+		return -EOPNOTSUPP;
+
+	mutex_lock(&control->ras_tbl_mutex);
+
+	end_idx = rec_idx + num;
+	for (i = rec_idx; i < end_idx; i++) {
+		ret = ras_fw_get_badpage_mca_addr(ras_core, i, &mca);
+		if (ret)
+			goto out;
+
+		ret = ras_fw_get_badpage_ipid(ras_core, i, &ipid);
+		if (ret)
+			goto out;
+
+		ret = ras_fw_get_timestamp(ras_core, i, &ts);
+		if (ret)
+			goto out;
+
+		if (record_umc) {
+			record_umc[i - rec_idx].address = mca;
+			/* retired_page (pa) is unused now */
+			record_umc[i - rec_idx].retired_row_pfn = 0x1ULL;
+			record_umc[i - rec_idx].ts = ts;
+			record_umc[i - rec_idx].err_type = RAS_EEPROM_ERR_NON_RECOVERABLE;
+
+			ras_core->ras_umc.ip_func->mca_ipid_parse(ras_core, ipid,
+				&cu, &mem_channel, &mcumc_id, NULL);
+			record_umc[i - rec_idx].cu = (u8)cu;
+			record_umc[i - rec_idx].mem_channel = (u8)mem_channel;
+			record_umc[i - rec_idx].mcumc_id = (u8)mcumc_id;
+
+			/* update bad channel bitmap */
+			if ((record_umc[i - rec_idx].mem_channel < BITS_PER_TYPE(control->bad_channel_bitmap)) &&
+				!(control->bad_channel_bitmap & (1 << record_umc[i - rec_idx].mem_channel))) {
+				control->bad_channel_bitmap |= 1 << record_umc[i - rec_idx].mem_channel;
+				control->update_channel_flag = true;
+			}
+		}
+
+		if (ras_ecc) {
+			ras_ecc[i - rec_idx].addr = mca;
+			ras_ecc[i - rec_idx].ipid = ipid;
+			ras_ecc[i - rec_idx].ts = ts;
+		}
+
+	}
+
+out:
+	mutex_unlock(&control->ras_tbl_mutex);
+	return ret;
+}
+
+uint32_t ras_fw_eeprom_get_record_count(struct ras_core_context *ras_core)
+{
+	if (!ras_core)
+		return 0;
+
+	return ras_core->ras_fw_eeprom.ras_num_recs;
+}
+
+int ras_fw_eeprom_update_record(struct ras_core_context *ras_core,
+				struct ras_bank_ecc *ras_ecc)
+{
+	struct ras_fw_eeprom_control *control = &ras_core->ras_fw_eeprom;
+	int ret, retry = 20;
+	u32 recs_num_new = control->ras_num_recs;
+
+	do {
+		/* 1000ms timeout is long enough, smu_get_badpage_count won't
+		 * return -EBUSY before timeout.
+		 */
+		ret = ras_fw_get_badpage_count(ras_core,
+			&recs_num_new, RAS_SMU_MESSAGE_TIMEOUT_MS);
+		if (!ret &&
+		    (recs_num_new == control->ras_num_recs)) {
+			/* record number update in PMFW needs some time,
+			 * smu_get_badpage_count may return immediately without
+			 * count update, sleep for a while and retry again.
+			 */
+			msleep(50);
+			retry--;
+		} else {
+			break;
+		}
+	} while (retry);
+
+	if (ret)
+		return ret;
+
+	if (recs_num_new > control->ras_num_recs)
+		ret = ras_fw_eeprom_read_idx(ras_core, 0,
+					ras_ecc, control->ras_num_recs, 1);
+	else
+		ret = -EINVAL;
+
+	return ret;
+}
+
+static int __check_ras_fw_table_status(struct ras_core_context *ras_core)
+{
+	struct ras_fw_eeprom_control *control = &ras_core->ras_fw_eeprom;
+	uint64_t local_time;
+	int res;
+
+	mutex_init(&control->ras_tbl_mutex);
+
+	res = ras_fw_get_table_version(ras_core, &(control->version));
+	if (res)
+		return res;
+
+	res = ras_fw_get_badpage_count(ras_core, &(control->ras_num_recs), 100);
+	if (res)
+		return res;
+
+	local_time = (uint64_t)ktime_get_real_seconds();
+	res = ras_fw_set_timestamp(ras_core, local_time);
+	if (res)
+		return res;
+
+	control->ras_max_record_count = 4000;
+
+
+	if (control->ras_num_recs > control->ras_max_record_count) {
+		RAS_DEV_ERR(ras_core->dev,
+			"RAS header invalid, records in header: %u max allowed :%u",
+			control->ras_num_recs, control->ras_max_record_count);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+int ras_fw_eeprom_hw_init(struct ras_core_context *ras_core)
+{
+	struct ras_fw_eeprom_control *control;
+	struct ras_eeprom_config *eeprom_cfg;
+	struct ras_mp1 *mp1;
+	const struct ras_mp1_sys_func *sys_func;
+
+	if (!ras_core)
+		return -EINVAL;
+
+	mp1 = &ras_core->ras_mp1;
+	sys_func = mp1->sys_func;
+
+	if (!sys_func || !sys_func->mp1_send_eeprom_msg)
+		return -EINVAL;
+
+	ras_core->is_rma = false;
+
+	control = &ras_core->ras_fw_eeprom;
+
+	memset(control, 0, sizeof(*control));
+
+	eeprom_cfg = &ras_core->config->eeprom_cfg;
+	control->record_threshold_config =
+		eeprom_cfg->eeprom_record_threshold_config;
+
+	control->record_threshold_count = 4000;
+	if (eeprom_cfg->eeprom_record_threshold_count <
+		control->record_threshold_count)
+		control->record_threshold_count =
+			eeprom_cfg->eeprom_record_threshold_count;
+
+	control->update_channel_flag = false;
+
+	return __check_ras_fw_table_status(ras_core);
+}
+
+int ras_fw_eeprom_hw_fini(struct ras_core_context *ras_core)
+{
+	struct ras_fw_eeprom_control *control;
+
+	if (!ras_core)
+		return -EINVAL;
+
+	control = &ras_core->ras_fw_eeprom;
+	mutex_destroy(&control->ras_tbl_mutex);
+
+	return 0;
+}
+
+int ras_fw_eeprom_check_storage_status(struct ras_core_context *ras_core)
+{
+	struct ras_fw_eeprom_control *control = &ras_core->ras_fw_eeprom;
+	int bad_page_count;
+
+	bad_page_count = ras_umc_get_badpage_count(ras_core);
+
+	if ((control->record_threshold_count < bad_page_count) &&
+	    (control->record_threshold_config != 0)) {
+		RAS_DEV_ERR(ras_core->dev, "RAS records:%d exceed threshold:%d",
+				bad_page_count, control->record_threshold_count);
+		if ((control->record_threshold_config == WARN_NONSTOP_OVER_THRESHOLD) ||
+			(control->record_threshold_config == NONSTOP_OVER_THRESHOLD)) {
+			RAS_DEV_WARN(ras_core->dev,
+			"Please consult AMD Service Action Guide (SAG) for appropriate service procedures\n");
+		} else {
+			ras_core->is_rma = true;
+			RAS_DEV_ERR(ras_core->dev,
+			"User defined threshold is set, runtime service will be halt when threshold is reached\n");
+		}
+		return 0;
+	}
+
+	RAS_DEV_INFO(ras_core->dev,
+			"Found existing EEPROM table with %d records\n",
+			bad_page_count);
+	/* Warn if we are at 90% of the threshold or above
+	 */
+	if (10 * bad_page_count >= 9 * control->record_threshold_count)
+		RAS_DEV_WARN(ras_core->dev,
+			"RAS records:%u exceeds 90%% of threshold:%d\n",
+			bad_page_count,
+			control->record_threshold_count);
+
+	return 0;
+}
+
+enum ras_gpu_health_status
+	ras_fw_eeprom_check_gpu_status(struct ras_core_context *ras_core)
+{
+	struct ras_fw_eeprom_control *control = &ras_core->ras_fw_eeprom;
+
+	if (!control->record_threshold_config)
+		return RAS_GPU_HEALTH_NONE;
+
+	if (ras_core->is_rma)
+		return RAS_GPU_RETIRED__ECC_REACH_THRESHOLD;
+
+	return RAS_GPU_HEALTH_USABLE;
+}
+
+void ras_fw_eeprom_sync_info(struct ras_core_context *ras_core)
+{
+	struct ras_fw_eeprom_control *control;
+
+	if (!ras_core)
+		return;
+
+	control = &ras_core->ras_fw_eeprom;
+	ras_core_event_notify(ras_core, RAS_EVENT_ID__UPDATE_BAD_PAGE_NUM,
+		&control->ras_num_recs);
+	ras_core_event_notify(ras_core, RAS_EVENT_ID__UPDATE_BAD_CHANNEL_BITMAP,
+		&control->bad_channel_bitmap);
+}

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_eeprom_fw.h

@@ -0,0 +1,87 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2026 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#ifndef __RAS_EEPROM_FW_H__
+#define __RAS_EEPROM_FW_H__
+
+struct ras_fw_eeprom_control {
+	uint32_t version;
+	/* record threshold */
+	int record_threshold_config;
+	uint32_t record_threshold_count;
+	bool update_channel_flag;
+
+	/* Number of records in the table.
+	 */
+	u32 ras_num_recs;
+
+	/* Maximum possible number of records
+	 * we could store, i.e. the maximum capacity
+	 * of the table.
+	 */
+	u32 ras_max_record_count;
+
+	/* Protect table access via this mutex.
+	 */
+	struct mutex ras_tbl_mutex;
+
+	/* Record channel info which occurred bad pages
+	 */
+	u32 bad_channel_bitmap;
+};
+
+void ras_fw_init_feature_flags(struct ras_core_context *ras_core);
+bool ras_fw_eeprom_supported(struct ras_core_context *ras_core);
+int ras_fw_get_table_version(struct ras_core_context *ras_core,
+				     uint32_t *table_version);
+int ras_fw_get_badpage_count(struct ras_core_context *ras_core,
+				     uint32_t *count, uint32_t timeout);
+int ras_fw_get_badpage_mca_addr(struct ras_core_context *ras_core,
+					uint16_t index, uint64_t *mca_addr);
+int ras_fw_set_timestamp(struct ras_core_context *ras_core,
+				 uint64_t timestamp);
+int ras_fw_get_timestamp(struct ras_core_context *ras_core,
+				 uint16_t index, uint64_t *timestamp);
+int ras_fw_get_badpage_ipid(struct ras_core_context *ras_core,
+				    uint16_t index, uint64_t *ipid);
+int ras_fw_erase_ras_table(struct ras_core_context *ras_core,
+				   uint32_t *result);
+int ras_fw_eeprom_reset_table(struct ras_core_context *ras_core);
+bool ras_fw_eeprom_check_safety_watermark(struct ras_core_context *ras_core);
+int ras_fw_eeprom_append(struct ras_core_context *ras_core,
+			   struct eeprom_umc_record *record, const u32 num);
+int ras_fw_eeprom_read_idx(struct ras_core_context *ras_core,
+			 struct eeprom_umc_record *record_umc,
+			 struct ras_bank_ecc *ras_ecc,
+			 u32 rec_idx, const u32 num);
+uint32_t ras_fw_eeprom_get_record_count(struct ras_core_context *ras_core);
+int ras_fw_eeprom_update_record(struct ras_core_context *ras_core,
+				struct ras_bank_ecc *ras_ecc);
+int ras_fw_eeprom_hw_init(struct ras_core_context *ras_core);
+int ras_fw_eeprom_hw_fini(struct ras_core_context *ras_core);
+int ras_fw_eeprom_check_storage_status(struct ras_core_context *ras_core);
+enum ras_gpu_health_status
+	ras_fw_eeprom_check_gpu_status(struct ras_core_context *ras_core);
+void ras_fw_eeprom_sync_info(struct ras_core_context *ras_core);
+
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_gfx.c

@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "ras.h"
+#include "ras_gfx_v9_0.h"
+#include "ras_gfx.h"
+#include "ras_core_status.h"
+
+static const struct ras_gfx_ip_func *ras_gfx_get_ip_funcs(
+				struct ras_core_context *ras_core, uint32_t ip_version)
+{
+	switch (ip_version) {
+	case IP_VERSION(9, 4, 3):
+	case IP_VERSION(9, 4, 4):
+	case IP_VERSION(9, 5, 0):
+		return &gfx_ras_func_v9_0;
+	default:
+		RAS_DEV_ERR(ras_core->dev,
+			"GFX ip version(0x%x) is not supported!\n", ip_version);
+		break;
+	}
+
+	return NULL;
+}
+
+int ras_gfx_get_ta_subblock(struct ras_core_context *ras_core,
+		uint32_t error_type, uint32_t subblock, uint32_t *ta_subblock)
+{
+	struct ras_gfx *gfx = &ras_core->ras_gfx;
+
+	return gfx->ip_func->get_ta_subblock(ras_core,
+					error_type, subblock, ta_subblock);
+}
+
+int ras_gfx_hw_init(struct ras_core_context *ras_core)
+{
+	struct ras_gfx *gfx = &ras_core->ras_gfx;
+
+	gfx->gfx_ip_version = ras_core->config->gfx_ip_version;
+
+	gfx->ip_func = ras_gfx_get_ip_funcs(ras_core, gfx->gfx_ip_version);
+
+	return gfx->ip_func ? RAS_CORE_OK : -EINVAL;
+}
+
+int ras_gfx_hw_fini(struct ras_core_context *ras_core)
+{
+	return 0;
+}

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_gfx.h

@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#ifndef __RAS_GFX_H__
+#define __RAS_GFX_H__
+
+struct ras_gfx_ip_func {
+	int (*get_ta_subblock)(struct ras_core_context *ras_core,
+		uint32_t error_type, uint32_t subblock, uint32_t *ta_subblock);
+};
+
+struct ras_gfx {
+	uint32_t gfx_ip_version;
+	const struct ras_gfx_ip_func *ip_func;
+};
+
+int ras_gfx_hw_init(struct ras_core_context *ras_core);
+int ras_gfx_hw_fini(struct ras_core_context *ras_core);
+
+int ras_gfx_get_ta_subblock(struct ras_core_context *ras_core,
+		uint32_t error_type, uint32_t subblock, uint32_t *ta_subblock);
+
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_gfx_v9_0.c

@@ -0,0 +1,426 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "ras.h"
+#include "ras_gfx_v9_0.h"
+#include "ras_core_status.h"
+
+enum ta_gfx_v9_subblock {
+	/*CPC*/
+	TA_GFX_V9__GFX_CPC_INDEX_START = 0,
+	TA_GFX_V9__GFX_CPC_SCRATCH = TA_GFX_V9__GFX_CPC_INDEX_START,
+	TA_GFX_V9__GFX_CPC_UCODE,
+	TA_GFX_V9__GFX_DC_STATE_ME1,
+	TA_GFX_V9__GFX_DC_CSINVOC_ME1,
+	TA_GFX_V9__GFX_DC_RESTORE_ME1,
+	TA_GFX_V9__GFX_DC_STATE_ME2,
+	TA_GFX_V9__GFX_DC_CSINVOC_ME2,
+	TA_GFX_V9__GFX_DC_RESTORE_ME2,
+	TA_GFX_V9__GFX_CPC_INDEX_END = TA_GFX_V9__GFX_DC_RESTORE_ME2,
+	/* CPF*/
+	TA_GFX_V9__GFX_CPF_INDEX_START,
+	TA_GFX_V9__GFX_CPF_ROQ_ME2 = TA_GFX_V9__GFX_CPF_INDEX_START,
+	TA_GFX_V9__GFX_CPF_ROQ_ME1,
+	TA_GFX_V9__GFX_CPF_TAG,
+	TA_GFX_V9__GFX_CPF_INDEX_END = TA_GFX_V9__GFX_CPF_TAG,
+	/* CPG*/
+	TA_GFX_V9__GFX_CPG_INDEX_START,
+	TA_GFX_V9__GFX_CPG_DMA_ROQ = TA_GFX_V9__GFX_CPG_INDEX_START,
+	TA_GFX_V9__GFX_CPG_DMA_TAG,
+	TA_GFX_V9__GFX_CPG_TAG,
+	TA_GFX_V9__GFX_CPG_INDEX_END = TA_GFX_V9__GFX_CPG_TAG,
+	/* GDS*/
+	TA_GFX_V9__GFX_GDS_INDEX_START,
+	TA_GFX_V9__GFX_GDS_MEM = TA_GFX_V9__GFX_GDS_INDEX_START,
+	TA_GFX_V9__GFX_GDS_INPUT_QUEUE,
+	TA_GFX_V9__GFX_GDS_OA_PHY_CMD_RAM_MEM,
+	TA_GFX_V9__GFX_GDS_OA_PHY_DATA_RAM_MEM,
+	TA_GFX_V9__GFX_GDS_OA_PIPE_MEM,
+	TA_GFX_V9__GFX_GDS_INDEX_END = TA_GFX_V9__GFX_GDS_OA_PIPE_MEM,
+	/* SPI*/
+	TA_GFX_V9__GFX_SPI_SR_MEM,
+	/* SQ*/
+	TA_GFX_V9__GFX_SQ_INDEX_START,
+	TA_GFX_V9__GFX_SQ_SGPR = TA_GFX_V9__GFX_SQ_INDEX_START,
+	TA_GFX_V9__GFX_SQ_LDS_D,
+	TA_GFX_V9__GFX_SQ_LDS_I,
+	TA_GFX_V9__GFX_SQ_VGPR, /* VGPR = SP*/
+	TA_GFX_V9__GFX_SQ_INDEX_END = TA_GFX_V9__GFX_SQ_VGPR,
+	/* SQC (3 ranges)*/
+	TA_GFX_V9__GFX_SQC_INDEX_START,
+	/* SQC range 0*/
+	TA_GFX_V9__GFX_SQC_INDEX0_START = TA_GFX_V9__GFX_SQC_INDEX_START,
+	TA_GFX_V9__GFX_SQC_INST_UTCL1_LFIFO =
+		TA_GFX_V9__GFX_SQC_INDEX0_START,
+	TA_GFX_V9__GFX_SQC_DATA_CU0_WRITE_DATA_BUF,
+	TA_GFX_V9__GFX_SQC_DATA_CU0_UTCL1_LFIFO,
+	TA_GFX_V9__GFX_SQC_DATA_CU1_WRITE_DATA_BUF,
+	TA_GFX_V9__GFX_SQC_DATA_CU1_UTCL1_LFIFO,
+	TA_GFX_V9__GFX_SQC_DATA_CU2_WRITE_DATA_BUF,
+	TA_GFX_V9__GFX_SQC_DATA_CU2_UTCL1_LFIFO,
+	TA_GFX_V9__GFX_SQC_INDEX0_END =
+		TA_GFX_V9__GFX_SQC_DATA_CU2_UTCL1_LFIFO,
+	/* SQC range 1*/
+	TA_GFX_V9__GFX_SQC_INDEX1_START,
+	TA_GFX_V9__GFX_SQC_INST_BANKA_TAG_RAM =
+		TA_GFX_V9__GFX_SQC_INDEX1_START,
+	TA_GFX_V9__GFX_SQC_INST_BANKA_UTCL1_MISS_FIFO,
+	TA_GFX_V9__GFX_SQC_INST_BANKA_MISS_FIFO,
+	TA_GFX_V9__GFX_SQC_INST_BANKA_BANK_RAM,
+	TA_GFX_V9__GFX_SQC_DATA_BANKA_TAG_RAM,
+	TA_GFX_V9__GFX_SQC_DATA_BANKA_HIT_FIFO,
+	TA_GFX_V9__GFX_SQC_DATA_BANKA_MISS_FIFO,
+	TA_GFX_V9__GFX_SQC_DATA_BANKA_DIRTY_BIT_RAM,
+	TA_GFX_V9__GFX_SQC_DATA_BANKA_BANK_RAM,
+	TA_GFX_V9__GFX_SQC_INDEX1_END =
+		TA_GFX_V9__GFX_SQC_DATA_BANKA_BANK_RAM,
+	/* SQC range 2*/
+	TA_GFX_V9__GFX_SQC_INDEX2_START,
+	TA_GFX_V9__GFX_SQC_INST_BANKB_TAG_RAM =
+		TA_GFX_V9__GFX_SQC_INDEX2_START,
+	TA_GFX_V9__GFX_SQC_INST_BANKB_UTCL1_MISS_FIFO,
+	TA_GFX_V9__GFX_SQC_INST_BANKB_MISS_FIFO,
+	TA_GFX_V9__GFX_SQC_INST_BANKB_BANK_RAM,
+	TA_GFX_V9__GFX_SQC_DATA_BANKB_TAG_RAM,
+	TA_GFX_V9__GFX_SQC_DATA_BANKB_HIT_FIFO,
+	TA_GFX_V9__GFX_SQC_DATA_BANKB_MISS_FIFO,
+	TA_GFX_V9__GFX_SQC_DATA_BANKB_DIRTY_BIT_RAM,
+	TA_GFX_V9__GFX_SQC_DATA_BANKB_BANK_RAM,
+	TA_GFX_V9__GFX_SQC_INDEX2_END =
+		TA_GFX_V9__GFX_SQC_DATA_BANKB_BANK_RAM,
+	TA_GFX_V9__GFX_SQC_INDEX_END = TA_GFX_V9__GFX_SQC_INDEX2_END,
+	/* TA*/
+	TA_GFX_V9__GFX_TA_INDEX_START,
+	TA_GFX_V9__GFX_TA_FS_DFIFO = TA_GFX_V9__GFX_TA_INDEX_START,
+	TA_GFX_V9__GFX_TA_FS_AFIFO,
+	TA_GFX_V9__GFX_TA_FL_LFIFO,
+	TA_GFX_V9__GFX_TA_FX_LFIFO,
+	TA_GFX_V9__GFX_TA_FS_CFIFO,
+	TA_GFX_V9__GFX_TA_INDEX_END = TA_GFX_V9__GFX_TA_FS_CFIFO,
+	/* TCA*/
+	TA_GFX_V9__GFX_TCA_INDEX_START,
+	TA_GFX_V9__GFX_TCA_HOLE_FIFO = TA_GFX_V9__GFX_TCA_INDEX_START,
+	TA_GFX_V9__GFX_TCA_REQ_FIFO,
+	TA_GFX_V9__GFX_TCA_INDEX_END = TA_GFX_V9__GFX_TCA_REQ_FIFO,
+	/* TCC (5 sub-ranges)*/
+	TA_GFX_V9__GFX_TCC_INDEX_START,
+	/* TCC range 0*/
+	TA_GFX_V9__GFX_TCC_INDEX0_START = TA_GFX_V9__GFX_TCC_INDEX_START,
+	TA_GFX_V9__GFX_TCC_CACHE_DATA = TA_GFX_V9__GFX_TCC_INDEX0_START,
+	TA_GFX_V9__GFX_TCC_CACHE_DATA_BANK_0_1,
+	TA_GFX_V9__GFX_TCC_CACHE_DATA_BANK_1_0,
+	TA_GFX_V9__GFX_TCC_CACHE_DATA_BANK_1_1,
+	TA_GFX_V9__GFX_TCC_CACHE_DIRTY_BANK_0,
+	TA_GFX_V9__GFX_TCC_CACHE_DIRTY_BANK_1,
+	TA_GFX_V9__GFX_TCC_HIGH_RATE_TAG,
+	TA_GFX_V9__GFX_TCC_LOW_RATE_TAG,
+	TA_GFX_V9__GFX_TCC_INDEX0_END = TA_GFX_V9__GFX_TCC_LOW_RATE_TAG,
+	/* TCC range 1*/
+	TA_GFX_V9__GFX_TCC_INDEX1_START,
+	TA_GFX_V9__GFX_TCC_IN_USE_DEC = TA_GFX_V9__GFX_TCC_INDEX1_START,
+	TA_GFX_V9__GFX_TCC_IN_USE_TRANSFER,
+	TA_GFX_V9__GFX_TCC_INDEX1_END =
+		TA_GFX_V9__GFX_TCC_IN_USE_TRANSFER,
+	/* TCC range 2*/
+	TA_GFX_V9__GFX_TCC_INDEX2_START,
+	TA_GFX_V9__GFX_TCC_RETURN_DATA = TA_GFX_V9__GFX_TCC_INDEX2_START,
+	TA_GFX_V9__GFX_TCC_RETURN_CONTROL,
+	TA_GFX_V9__GFX_TCC_UC_ATOMIC_FIFO,
+	TA_GFX_V9__GFX_TCC_WRITE_RETURN,
+	TA_GFX_V9__GFX_TCC_WRITE_CACHE_READ,
+	TA_GFX_V9__GFX_TCC_SRC_FIFO,
+	TA_GFX_V9__GFX_TCC_SRC_FIFO_NEXT_RAM,
+	TA_GFX_V9__GFX_TCC_CACHE_TAG_PROBE_FIFO,
+	TA_GFX_V9__GFX_TCC_INDEX2_END =
+		TA_GFX_V9__GFX_TCC_CACHE_TAG_PROBE_FIFO,
+	/* TCC range 3*/
+	TA_GFX_V9__GFX_TCC_INDEX3_START,
+	TA_GFX_V9__GFX_TCC_LATENCY_FIFO = TA_GFX_V9__GFX_TCC_INDEX3_START,
+	TA_GFX_V9__GFX_TCC_LATENCY_FIFO_NEXT_RAM,
+	TA_GFX_V9__GFX_TCC_INDEX3_END =
+		TA_GFX_V9__GFX_TCC_LATENCY_FIFO_NEXT_RAM,
+	/* TCC range 4*/
+	TA_GFX_V9__GFX_TCC_INDEX4_START,
+	TA_GFX_V9__GFX_TCC_WRRET_TAG_WRITE_RETURN =
+		TA_GFX_V9__GFX_TCC_INDEX4_START,
+	TA_GFX_V9__GFX_TCC_ATOMIC_RETURN_BUFFER,
+	TA_GFX_V9__GFX_TCC_INDEX4_END =
+		TA_GFX_V9__GFX_TCC_ATOMIC_RETURN_BUFFER,
+	TA_GFX_V9__GFX_TCC_INDEX_END = TA_GFX_V9__GFX_TCC_INDEX4_END,
+	/* TCI*/
+	TA_GFX_V9__GFX_TCI_WRITE_RAM,
+	/* TCP*/
+	TA_GFX_V9__GFX_TCP_INDEX_START,
+	TA_GFX_V9__GFX_TCP_CACHE_RAM = TA_GFX_V9__GFX_TCP_INDEX_START,
+	TA_GFX_V9__GFX_TCP_LFIFO_RAM,
+	TA_GFX_V9__GFX_TCP_CMD_FIFO,
+	TA_GFX_V9__GFX_TCP_VM_FIFO,
+	TA_GFX_V9__GFX_TCP_DB_RAM,
+	TA_GFX_V9__GFX_TCP_UTCL1_LFIFO0,
+	TA_GFX_V9__GFX_TCP_UTCL1_LFIFO1,
+	TA_GFX_V9__GFX_TCP_INDEX_END = TA_GFX_V9__GFX_TCP_UTCL1_LFIFO1,
+	/* TD*/
+	TA_GFX_V9__GFX_TD_INDEX_START,
+	TA_GFX_V9__GFX_TD_SS_FIFO_LO = TA_GFX_V9__GFX_TD_INDEX_START,
+	TA_GFX_V9__GFX_TD_SS_FIFO_HI,
+	TA_GFX_V9__GFX_TD_CS_FIFO,
+	TA_GFX_V9__GFX_TD_INDEX_END = TA_GFX_V9__GFX_TD_CS_FIFO,
+	/* EA (3 sub-ranges)*/
+	TA_GFX_V9__GFX_EA_INDEX_START,
+	/* EA range 0*/
+	TA_GFX_V9__GFX_EA_INDEX0_START = TA_GFX_V9__GFX_EA_INDEX_START,
+	TA_GFX_V9__GFX_EA_DRAMRD_CMDMEM = TA_GFX_V9__GFX_EA_INDEX0_START,
+	TA_GFX_V9__GFX_EA_DRAMWR_CMDMEM,
+	TA_GFX_V9__GFX_EA_DRAMWR_DATAMEM,
+	TA_GFX_V9__GFX_EA_RRET_TAGMEM,
+	TA_GFX_V9__GFX_EA_WRET_TAGMEM,
+	TA_GFX_V9__GFX_EA_GMIRD_CMDMEM,
+	TA_GFX_V9__GFX_EA_GMIWR_CMDMEM,
+	TA_GFX_V9__GFX_EA_GMIWR_DATAMEM,
+	TA_GFX_V9__GFX_EA_INDEX0_END = TA_GFX_V9__GFX_EA_GMIWR_DATAMEM,
+	/* EA range 1*/
+	TA_GFX_V9__GFX_EA_INDEX1_START,
+	TA_GFX_V9__GFX_EA_DRAMRD_PAGEMEM = TA_GFX_V9__GFX_EA_INDEX1_START,
+	TA_GFX_V9__GFX_EA_DRAMWR_PAGEMEM,
+	TA_GFX_V9__GFX_EA_IORD_CMDMEM,
+	TA_GFX_V9__GFX_EA_IOWR_CMDMEM,
+	TA_GFX_V9__GFX_EA_IOWR_DATAMEM,
+	TA_GFX_V9__GFX_EA_GMIRD_PAGEMEM,
+	TA_GFX_V9__GFX_EA_GMIWR_PAGEMEM,
+	TA_GFX_V9__GFX_EA_INDEX1_END = TA_GFX_V9__GFX_EA_GMIWR_PAGEMEM,
+	/* EA range 2*/
+	TA_GFX_V9__GFX_EA_INDEX2_START,
+	TA_GFX_V9__GFX_EA_MAM_D0MEM = TA_GFX_V9__GFX_EA_INDEX2_START,
+	TA_GFX_V9__GFX_EA_MAM_D1MEM,
+	TA_GFX_V9__GFX_EA_MAM_D2MEM,
+	TA_GFX_V9__GFX_EA_MAM_D3MEM,
+	TA_GFX_V9__GFX_EA_INDEX2_END = TA_GFX_V9__GFX_EA_MAM_D3MEM,
+	TA_GFX_V9__GFX_EA_INDEX_END = TA_GFX_V9__GFX_EA_INDEX2_END,
+	/* UTC VM L2 bank*/
+	TA_GFX_V9__UTC_VML2_BANK_CACHE,
+	/* UTC VM walker*/
+	TA_GFX_V9__UTC_VML2_WALKER,
+	/* UTC ATC L2 2MB cache*/
+	TA_GFX_V9__UTC_ATCL2_CACHE_2M_BANK,
+	/* UTC ATC L2 4KB cache*/
+	TA_GFX_V9__UTC_ATCL2_CACHE_4K_BANK,
+	TA_GFX_V9__GFX_MAX
+};
+
+struct ras_gfx_subblock_t {
+	unsigned char *name;
+	int ta_subblock;
+	int hw_supported_error_type;
+	int sw_supported_error_type;
+};
+
+#define RAS_GFX_SUB_BLOCK(subblock, a, b, c, d, e, f, g, h)                             \
+	[RAS_GFX_V9__##subblock] = {                                     \
+		#subblock,                                                     \
+		TA_GFX_V9__##subblock,                                      \
+		((a) | ((b) << 1) | ((c) << 2) | ((d) << 3)),                  \
+		(((e) << 1) | ((f) << 3) | (g) | ((h) << 2)),                  \
+	}
+
+const struct ras_gfx_subblock_t ras_gfx_v9_0_subblocks[] = {
+	RAS_GFX_SUB_BLOCK(GFX_CPC_SCRATCH, 0, 1, 1, 1, 1, 0, 0, 1),
+	RAS_GFX_SUB_BLOCK(GFX_CPC_UCODE, 0, 1, 1, 1, 1, 0, 0, 1),
+	RAS_GFX_SUB_BLOCK(GFX_DC_STATE_ME1, 1, 0, 0, 1, 0, 0, 1, 0),
+	RAS_GFX_SUB_BLOCK(GFX_DC_CSINVOC_ME1, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_DC_RESTORE_ME1, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_DC_STATE_ME2, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_DC_CSINVOC_ME2, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_DC_RESTORE_ME2, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_CPF_ROQ_ME2, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_CPF_ROQ_ME1, 1, 0, 0, 1, 0, 0, 1, 0),
+	RAS_GFX_SUB_BLOCK(GFX_CPF_TAG, 0, 1, 1, 1, 1, 0, 0, 1),
+	RAS_GFX_SUB_BLOCK(GFX_CPG_DMA_ROQ, 1, 0, 0, 1, 0, 0, 1, 0),
+	RAS_GFX_SUB_BLOCK(GFX_CPG_DMA_TAG, 0, 1, 1, 1, 0, 1, 0, 1),
+	RAS_GFX_SUB_BLOCK(GFX_CPG_TAG, 0, 1, 1, 1, 1, 1, 0, 1),
+	RAS_GFX_SUB_BLOCK(GFX_GDS_MEM, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_GDS_INPUT_QUEUE, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_GDS_OA_PHY_CMD_RAM_MEM, 0, 1, 1, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_GDS_OA_PHY_DATA_RAM_MEM, 1, 0, 0, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_GDS_OA_PIPE_MEM, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_SPI_SR_MEM, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_SQ_SGPR, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_SQ_LDS_D, 0, 1, 1, 1, 1, 0, 0, 1),
+	RAS_GFX_SUB_BLOCK(GFX_SQ_LDS_I, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_SQ_VGPR, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_INST_UTCL1_LFIFO, 0, 1, 1, 1, 0, 0, 0, 1),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_DATA_CU0_WRITE_DATA_BUF, 0, 1, 1, 1, 0, 0,
+			     0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_DATA_CU0_UTCL1_LFIFO, 0, 1, 1, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_DATA_CU1_WRITE_DATA_BUF, 0, 1, 1, 1, 0, 0,
+			     0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_DATA_CU1_UTCL1_LFIFO, 0, 1, 1, 1, 1, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_DATA_CU2_WRITE_DATA_BUF, 0, 1, 1, 1, 0, 0,
+			     0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_DATA_CU2_UTCL1_LFIFO, 0, 1, 1, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_INST_BANKA_TAG_RAM, 0, 1, 1, 1, 1, 0, 0,
+			     1),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_INST_BANKA_UTCL1_MISS_FIFO, 1, 0, 0, 1, 0,
+			     0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_INST_BANKA_MISS_FIFO, 1, 0, 0, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_INST_BANKA_BANK_RAM, 0, 1, 1, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_DATA_BANKA_TAG_RAM, 0, 1, 1, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_DATA_BANKA_HIT_FIFO, 1, 0, 0, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_DATA_BANKA_MISS_FIFO, 1, 0, 0, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_DATA_BANKA_DIRTY_BIT_RAM, 1, 0, 0, 1, 0, 0,
+			     0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_DATA_BANKA_BANK_RAM, 0, 1, 1, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_INST_BANKB_TAG_RAM, 0, 1, 1, 1, 1, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_INST_BANKB_UTCL1_MISS_FIFO, 1, 0, 0, 1, 0,
+			     0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_INST_BANKB_MISS_FIFO, 1, 0, 0, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_INST_BANKB_BANK_RAM, 0, 1, 1, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_DATA_BANKB_TAG_RAM, 0, 1, 1, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_DATA_BANKB_HIT_FIFO, 1, 0, 0, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_DATA_BANKB_MISS_FIFO, 1, 0, 0, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_DATA_BANKB_DIRTY_BIT_RAM, 1, 0, 0, 1, 0, 0,
+			     0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_SQC_DATA_BANKB_BANK_RAM, 0, 1, 1, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_TA_FS_DFIFO, 0, 1, 1, 1, 1, 0, 0, 1),
+	RAS_GFX_SUB_BLOCK(GFX_TA_FS_AFIFO, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TA_FL_LFIFO, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TA_FX_LFIFO, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TA_FS_CFIFO, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCA_HOLE_FIFO, 1, 0, 0, 1, 0, 1, 1, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCA_REQ_FIFO, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_CACHE_DATA, 0, 1, 1, 1, 1, 0, 0, 1),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_CACHE_DATA_BANK_0_1, 0, 1, 1, 1, 1, 0, 0,
+			     1),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_CACHE_DATA_BANK_1_0, 0, 1, 1, 1, 1, 0, 0,
+			     1),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_CACHE_DATA_BANK_1_1, 0, 1, 1, 1, 1, 0, 0,
+			     1),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_CACHE_DIRTY_BANK_0, 0, 1, 1, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_CACHE_DIRTY_BANK_1, 0, 1, 1, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_HIGH_RATE_TAG, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_LOW_RATE_TAG, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_IN_USE_DEC, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_IN_USE_TRANSFER, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_RETURN_DATA, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_RETURN_CONTROL, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_UC_ATOMIC_FIFO, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_WRITE_RETURN, 1, 0, 0, 1, 0, 1, 1, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_WRITE_CACHE_READ, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_SRC_FIFO, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_SRC_FIFO_NEXT_RAM, 1, 0, 0, 1, 0, 0, 1, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_CACHE_TAG_PROBE_FIFO, 1, 0, 0, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_LATENCY_FIFO, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_LATENCY_FIFO_NEXT_RAM, 1, 0, 0, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_WRRET_TAG_WRITE_RETURN, 1, 0, 0, 1, 0, 0,
+			     0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCC_ATOMIC_RETURN_BUFFER, 1, 0, 0, 1, 0, 0, 0,
+			     0),
+	RAS_GFX_SUB_BLOCK(GFX_TCI_WRITE_RAM, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCP_CACHE_RAM, 0, 1, 1, 1, 1, 0, 0, 1),
+	RAS_GFX_SUB_BLOCK(GFX_TCP_LFIFO_RAM, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCP_CMD_FIFO, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCP_VM_FIFO, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCP_DB_RAM, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCP_UTCL1_LFIFO0, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TCP_UTCL1_LFIFO1, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TD_SS_FIFO_LO, 0, 1, 1, 1, 1, 0, 0, 1),
+	RAS_GFX_SUB_BLOCK(GFX_TD_SS_FIFO_HI, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_TD_CS_FIFO, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_EA_DRAMRD_CMDMEM, 0, 1, 1, 1, 1, 0, 0, 1),
+	RAS_GFX_SUB_BLOCK(GFX_EA_DRAMWR_CMDMEM, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_EA_DRAMWR_DATAMEM, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_EA_RRET_TAGMEM, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_EA_WRET_TAGMEM, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_EA_GMIRD_CMDMEM, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_EA_GMIWR_CMDMEM, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_EA_GMIWR_DATAMEM, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_EA_DRAMRD_PAGEMEM, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_EA_DRAMWR_PAGEMEM, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_EA_IORD_CMDMEM, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_EA_IOWR_CMDMEM, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_EA_IOWR_DATAMEM, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_EA_GMIRD_PAGEMEM, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_EA_GMIWR_PAGEMEM, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_EA_MAM_D0MEM, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_EA_MAM_D1MEM, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_EA_MAM_D2MEM, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(GFX_EA_MAM_D3MEM, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(UTC_VML2_BANK_CACHE, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(UTC_VML2_WALKER, 0, 1, 1, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(UTC_ATCL2_CACHE_2M_BANK, 1, 0, 0, 1, 0, 0, 0, 0),
+	RAS_GFX_SUB_BLOCK(UTC_ATCL2_CACHE_4K_BANK, 0, 1, 1, 1, 0, 0, 0, 0),
+};
+
+static int gfx_v9_0_get_ta_subblock(struct ras_core_context *ras_core,
+			uint32_t error_type, uint32_t subblock, uint32_t *ta_subblock)
+{
+	const struct ras_gfx_subblock_t *gfx_subblock;
+
+	if (subblock >= ARRAY_SIZE(ras_gfx_v9_0_subblocks))
+		return -EINVAL;
+
+	gfx_subblock = &ras_gfx_v9_0_subblocks[subblock];
+	if (!gfx_subblock->name)
+		return -EPERM;
+
+	if (!(gfx_subblock->hw_supported_error_type & error_type)) {
+		RAS_DEV_ERR(ras_core->dev, "GFX Subblock %s, hardware do not support type 0x%x\n",
+			gfx_subblock->name, error_type);
+		return -EPERM;
+	}
+
+	if (!(gfx_subblock->sw_supported_error_type & error_type)) {
+		RAS_DEV_ERR(ras_core->dev, "GFX Subblock %s, driver do not support type 0x%x\n",
+			gfx_subblock->name, error_type);
+		return -EPERM;
+	}
+
+	*ta_subblock = gfx_subblock->ta_subblock;
+
+	return 0;
+}
+
+const struct ras_gfx_ip_func gfx_ras_func_v9_0 = {
+	.get_ta_subblock = gfx_v9_0_get_ta_subblock,
+};

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_gfx_v9_0.h

@@ -0,0 +1,259 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#ifndef __RAS_GFX_V9_0_H__
+#define __RAS_GFX_V9_0_H__
+
+enum ras_gfx_v9_subblock {
+	/* CPC */
+	RAS_GFX_V9__GFX_CPC_INDEX_START = 0,
+	RAS_GFX_V9__GFX_CPC_SCRATCH =
+		RAS_GFX_V9__GFX_CPC_INDEX_START,
+	RAS_GFX_V9__GFX_CPC_UCODE,
+	RAS_GFX_V9__GFX_DC_STATE_ME1,
+	RAS_GFX_V9__GFX_DC_CSINVOC_ME1,
+	RAS_GFX_V9__GFX_DC_RESTORE_ME1,
+	RAS_GFX_V9__GFX_DC_STATE_ME2,
+	RAS_GFX_V9__GFX_DC_CSINVOC_ME2,
+	RAS_GFX_V9__GFX_DC_RESTORE_ME2,
+	RAS_GFX_V9__GFX_CPC_INDEX_END =
+		RAS_GFX_V9__GFX_DC_RESTORE_ME2,
+	/* CPF */
+	RAS_GFX_V9__GFX_CPF_INDEX_START,
+	RAS_GFX_V9__GFX_CPF_ROQ_ME2 =
+		RAS_GFX_V9__GFX_CPF_INDEX_START,
+	RAS_GFX_V9__GFX_CPF_ROQ_ME1,
+	RAS_GFX_V9__GFX_CPF_TAG,
+	RAS_GFX_V9__GFX_CPF_INDEX_END = RAS_GFX_V9__GFX_CPF_TAG,
+	/* CPG */
+	RAS_GFX_V9__GFX_CPG_INDEX_START,
+	RAS_GFX_V9__GFX_CPG_DMA_ROQ =
+		RAS_GFX_V9__GFX_CPG_INDEX_START,
+	RAS_GFX_V9__GFX_CPG_DMA_TAG,
+	RAS_GFX_V9__GFX_CPG_TAG,
+	RAS_GFX_V9__GFX_CPG_INDEX_END = RAS_GFX_V9__GFX_CPG_TAG,
+	/* GDS */
+	RAS_GFX_V9__GFX_GDS_INDEX_START,
+	RAS_GFX_V9__GFX_GDS_MEM = RAS_GFX_V9__GFX_GDS_INDEX_START,
+	RAS_GFX_V9__GFX_GDS_INPUT_QUEUE,
+	RAS_GFX_V9__GFX_GDS_OA_PHY_CMD_RAM_MEM,
+	RAS_GFX_V9__GFX_GDS_OA_PHY_DATA_RAM_MEM,
+	RAS_GFX_V9__GFX_GDS_OA_PIPE_MEM,
+	RAS_GFX_V9__GFX_GDS_INDEX_END =
+		RAS_GFX_V9__GFX_GDS_OA_PIPE_MEM,
+	/* SPI */
+	RAS_GFX_V9__GFX_SPI_SR_MEM,
+	/* SQ */
+	RAS_GFX_V9__GFX_SQ_INDEX_START,
+	RAS_GFX_V9__GFX_SQ_SGPR = RAS_GFX_V9__GFX_SQ_INDEX_START,
+	RAS_GFX_V9__GFX_SQ_LDS_D,
+	RAS_GFX_V9__GFX_SQ_LDS_I,
+	RAS_GFX_V9__GFX_SQ_VGPR,
+	RAS_GFX_V9__GFX_SQ_INDEX_END = RAS_GFX_V9__GFX_SQ_VGPR,
+	/* SQC (3 ranges) */
+	RAS_GFX_V9__GFX_SQC_INDEX_START,
+	/* SQC range 0 */
+	RAS_GFX_V9__GFX_SQC_INDEX0_START =
+		RAS_GFX_V9__GFX_SQC_INDEX_START,
+	RAS_GFX_V9__GFX_SQC_INST_UTCL1_LFIFO =
+		RAS_GFX_V9__GFX_SQC_INDEX0_START,
+	RAS_GFX_V9__GFX_SQC_DATA_CU0_WRITE_DATA_BUF,
+	RAS_GFX_V9__GFX_SQC_DATA_CU0_UTCL1_LFIFO,
+	RAS_GFX_V9__GFX_SQC_DATA_CU1_WRITE_DATA_BUF,
+	RAS_GFX_V9__GFX_SQC_DATA_CU1_UTCL1_LFIFO,
+	RAS_GFX_V9__GFX_SQC_DATA_CU2_WRITE_DATA_BUF,
+	RAS_GFX_V9__GFX_SQC_DATA_CU2_UTCL1_LFIFO,
+	RAS_GFX_V9__GFX_SQC_INDEX0_END =
+		RAS_GFX_V9__GFX_SQC_DATA_CU2_UTCL1_LFIFO,
+	/* SQC range 1 */
+	RAS_GFX_V9__GFX_SQC_INDEX1_START,
+	RAS_GFX_V9__GFX_SQC_INST_BANKA_TAG_RAM =
+		RAS_GFX_V9__GFX_SQC_INDEX1_START,
+	RAS_GFX_V9__GFX_SQC_INST_BANKA_UTCL1_MISS_FIFO,
+	RAS_GFX_V9__GFX_SQC_INST_BANKA_MISS_FIFO,
+	RAS_GFX_V9__GFX_SQC_INST_BANKA_BANK_RAM,
+	RAS_GFX_V9__GFX_SQC_DATA_BANKA_TAG_RAM,
+	RAS_GFX_V9__GFX_SQC_DATA_BANKA_HIT_FIFO,
+	RAS_GFX_V9__GFX_SQC_DATA_BANKA_MISS_FIFO,
+	RAS_GFX_V9__GFX_SQC_DATA_BANKA_DIRTY_BIT_RAM,
+	RAS_GFX_V9__GFX_SQC_DATA_BANKA_BANK_RAM,
+	RAS_GFX_V9__GFX_SQC_INDEX1_END =
+		RAS_GFX_V9__GFX_SQC_DATA_BANKA_BANK_RAM,
+	/* SQC range 2 */
+	RAS_GFX_V9__GFX_SQC_INDEX2_START,
+	RAS_GFX_V9__GFX_SQC_INST_BANKB_TAG_RAM =
+		RAS_GFX_V9__GFX_SQC_INDEX2_START,
+	RAS_GFX_V9__GFX_SQC_INST_BANKB_UTCL1_MISS_FIFO,
+	RAS_GFX_V9__GFX_SQC_INST_BANKB_MISS_FIFO,
+	RAS_GFX_V9__GFX_SQC_INST_BANKB_BANK_RAM,
+	RAS_GFX_V9__GFX_SQC_DATA_BANKB_TAG_RAM,
+	RAS_GFX_V9__GFX_SQC_DATA_BANKB_HIT_FIFO,
+	RAS_GFX_V9__GFX_SQC_DATA_BANKB_MISS_FIFO,
+	RAS_GFX_V9__GFX_SQC_DATA_BANKB_DIRTY_BIT_RAM,
+	RAS_GFX_V9__GFX_SQC_DATA_BANKB_BANK_RAM,
+	RAS_GFX_V9__GFX_SQC_INDEX2_END =
+		RAS_GFX_V9__GFX_SQC_DATA_BANKB_BANK_RAM,
+	RAS_GFX_V9__GFX_SQC_INDEX_END =
+		RAS_GFX_V9__GFX_SQC_INDEX2_END,
+	/* TA */
+	RAS_GFX_V9__GFX_TA_INDEX_START,
+	RAS_GFX_V9__GFX_TA_FS_DFIFO =
+		RAS_GFX_V9__GFX_TA_INDEX_START,
+	RAS_GFX_V9__GFX_TA_FS_AFIFO,
+	RAS_GFX_V9__GFX_TA_FL_LFIFO,
+	RAS_GFX_V9__GFX_TA_FX_LFIFO,
+	RAS_GFX_V9__GFX_TA_FS_CFIFO,
+	RAS_GFX_V9__GFX_TA_INDEX_END = RAS_GFX_V9__GFX_TA_FS_CFIFO,
+	/* TCA */
+	RAS_GFX_V9__GFX_TCA_INDEX_START,
+	RAS_GFX_V9__GFX_TCA_HOLE_FIFO =
+		RAS_GFX_V9__GFX_TCA_INDEX_START,
+	RAS_GFX_V9__GFX_TCA_REQ_FIFO,
+	RAS_GFX_V9__GFX_TCA_INDEX_END =
+		RAS_GFX_V9__GFX_TCA_REQ_FIFO,
+	/* TCC (5 sub-ranges) */
+	RAS_GFX_V9__GFX_TCC_INDEX_START,
+	/* TCC range 0 */
+	RAS_GFX_V9__GFX_TCC_INDEX0_START =
+		RAS_GFX_V9__GFX_TCC_INDEX_START,
+	RAS_GFX_V9__GFX_TCC_CACHE_DATA =
+		RAS_GFX_V9__GFX_TCC_INDEX0_START,
+	RAS_GFX_V9__GFX_TCC_CACHE_DATA_BANK_0_1,
+	RAS_GFX_V9__GFX_TCC_CACHE_DATA_BANK_1_0,
+	RAS_GFX_V9__GFX_TCC_CACHE_DATA_BANK_1_1,
+	RAS_GFX_V9__GFX_TCC_CACHE_DIRTY_BANK_0,
+	RAS_GFX_V9__GFX_TCC_CACHE_DIRTY_BANK_1,
+	RAS_GFX_V9__GFX_TCC_HIGH_RATE_TAG,
+	RAS_GFX_V9__GFX_TCC_LOW_RATE_TAG,
+	RAS_GFX_V9__GFX_TCC_INDEX0_END =
+		RAS_GFX_V9__GFX_TCC_LOW_RATE_TAG,
+	/* TCC range 1 */
+	RAS_GFX_V9__GFX_TCC_INDEX1_START,
+	RAS_GFX_V9__GFX_TCC_IN_USE_DEC =
+		RAS_GFX_V9__GFX_TCC_INDEX1_START,
+	RAS_GFX_V9__GFX_TCC_IN_USE_TRANSFER,
+	RAS_GFX_V9__GFX_TCC_INDEX1_END =
+		RAS_GFX_V9__GFX_TCC_IN_USE_TRANSFER,
+	/* TCC range 2 */
+	RAS_GFX_V9__GFX_TCC_INDEX2_START,
+	RAS_GFX_V9__GFX_TCC_RETURN_DATA =
+		RAS_GFX_V9__GFX_TCC_INDEX2_START,
+	RAS_GFX_V9__GFX_TCC_RETURN_CONTROL,
+	RAS_GFX_V9__GFX_TCC_UC_ATOMIC_FIFO,
+	RAS_GFX_V9__GFX_TCC_WRITE_RETURN,
+	RAS_GFX_V9__GFX_TCC_WRITE_CACHE_READ,
+	RAS_GFX_V9__GFX_TCC_SRC_FIFO,
+	RAS_GFX_V9__GFX_TCC_SRC_FIFO_NEXT_RAM,
+	RAS_GFX_V9__GFX_TCC_CACHE_TAG_PROBE_FIFO,
+	RAS_GFX_V9__GFX_TCC_INDEX2_END =
+		RAS_GFX_V9__GFX_TCC_CACHE_TAG_PROBE_FIFO,
+	/* TCC range 3 */
+	RAS_GFX_V9__GFX_TCC_INDEX3_START,
+	RAS_GFX_V9__GFX_TCC_LATENCY_FIFO =
+		RAS_GFX_V9__GFX_TCC_INDEX3_START,
+	RAS_GFX_V9__GFX_TCC_LATENCY_FIFO_NEXT_RAM,
+	RAS_GFX_V9__GFX_TCC_INDEX3_END =
+		RAS_GFX_V9__GFX_TCC_LATENCY_FIFO_NEXT_RAM,
+	/* TCC range 4 */
+	RAS_GFX_V9__GFX_TCC_INDEX4_START,
+	RAS_GFX_V9__GFX_TCC_WRRET_TAG_WRITE_RETURN =
+		RAS_GFX_V9__GFX_TCC_INDEX4_START,
+	RAS_GFX_V9__GFX_TCC_ATOMIC_RETURN_BUFFER,
+	RAS_GFX_V9__GFX_TCC_INDEX4_END =
+		RAS_GFX_V9__GFX_TCC_ATOMIC_RETURN_BUFFER,
+	RAS_GFX_V9__GFX_TCC_INDEX_END =
+		RAS_GFX_V9__GFX_TCC_INDEX4_END,
+	/* TCI */
+	RAS_GFX_V9__GFX_TCI_WRITE_RAM,
+	/* TCP */
+	RAS_GFX_V9__GFX_TCP_INDEX_START,
+	RAS_GFX_V9__GFX_TCP_CACHE_RAM =
+		RAS_GFX_V9__GFX_TCP_INDEX_START,
+	RAS_GFX_V9__GFX_TCP_LFIFO_RAM,
+	RAS_GFX_V9__GFX_TCP_CMD_FIFO,
+	RAS_GFX_V9__GFX_TCP_VM_FIFO,
+	RAS_GFX_V9__GFX_TCP_DB_RAM,
+	RAS_GFX_V9__GFX_TCP_UTCL1_LFIFO0,
+	RAS_GFX_V9__GFX_TCP_UTCL1_LFIFO1,
+	RAS_GFX_V9__GFX_TCP_INDEX_END =
+		RAS_GFX_V9__GFX_TCP_UTCL1_LFIFO1,
+	/* TD */
+	RAS_GFX_V9__GFX_TD_INDEX_START,
+	RAS_GFX_V9__GFX_TD_SS_FIFO_LO =
+		RAS_GFX_V9__GFX_TD_INDEX_START,
+	RAS_GFX_V9__GFX_TD_SS_FIFO_HI,
+	RAS_GFX_V9__GFX_TD_CS_FIFO,
+	RAS_GFX_V9__GFX_TD_INDEX_END = RAS_GFX_V9__GFX_TD_CS_FIFO,
+	/* EA (3 sub-ranges) */
+	RAS_GFX_V9__GFX_EA_INDEX_START,
+	/* EA range 0 */
+	RAS_GFX_V9__GFX_EA_INDEX0_START =
+		RAS_GFX_V9__GFX_EA_INDEX_START,
+	RAS_GFX_V9__GFX_EA_DRAMRD_CMDMEM =
+		RAS_GFX_V9__GFX_EA_INDEX0_START,
+	RAS_GFX_V9__GFX_EA_DRAMWR_CMDMEM,
+	RAS_GFX_V9__GFX_EA_DRAMWR_DATAMEM,
+	RAS_GFX_V9__GFX_EA_RRET_TAGMEM,
+	RAS_GFX_V9__GFX_EA_WRET_TAGMEM,
+	RAS_GFX_V9__GFX_EA_GMIRD_CMDMEM,
+	RAS_GFX_V9__GFX_EA_GMIWR_CMDMEM,
+	RAS_GFX_V9__GFX_EA_GMIWR_DATAMEM,
+	RAS_GFX_V9__GFX_EA_INDEX0_END =
+		RAS_GFX_V9__GFX_EA_GMIWR_DATAMEM,
+	/* EA range 1 */
+	RAS_GFX_V9__GFX_EA_INDEX1_START,
+	RAS_GFX_V9__GFX_EA_DRAMRD_PAGEMEM =
+		RAS_GFX_V9__GFX_EA_INDEX1_START,
+	RAS_GFX_V9__GFX_EA_DRAMWR_PAGEMEM,
+	RAS_GFX_V9__GFX_EA_IORD_CMDMEM,
+	RAS_GFX_V9__GFX_EA_IOWR_CMDMEM,
+	RAS_GFX_V9__GFX_EA_IOWR_DATAMEM,
+	RAS_GFX_V9__GFX_EA_GMIRD_PAGEMEM,
+	RAS_GFX_V9__GFX_EA_GMIWR_PAGEMEM,
+	RAS_GFX_V9__GFX_EA_INDEX1_END =
+		RAS_GFX_V9__GFX_EA_GMIWR_PAGEMEM,
+	/* EA range 2 */
+	RAS_GFX_V9__GFX_EA_INDEX2_START,
+	RAS_GFX_V9__GFX_EA_MAM_D0MEM =
+		RAS_GFX_V9__GFX_EA_INDEX2_START,
+	RAS_GFX_V9__GFX_EA_MAM_D1MEM,
+	RAS_GFX_V9__GFX_EA_MAM_D2MEM,
+	RAS_GFX_V9__GFX_EA_MAM_D3MEM,
+	RAS_GFX_V9__GFX_EA_INDEX2_END =
+		RAS_GFX_V9__GFX_EA_MAM_D3MEM,
+	RAS_GFX_V9__GFX_EA_INDEX_END =
+		RAS_GFX_V9__GFX_EA_INDEX2_END,
+	/* UTC VM L2 bank */
+	RAS_GFX_V9__UTC_VML2_BANK_CACHE,
+	/* UTC VM walker */
+	RAS_GFX_V9__UTC_VML2_WALKER,
+	/* UTC ATC L2 2MB cache */
+	RAS_GFX_V9__UTC_ATCL2_CACHE_2M_BANK,
+	/* UTC ATC L2 4KB cache */
+	RAS_GFX_V9__UTC_ATCL2_CACHE_4K_BANK,
+	RAS_GFX_V9__GFX_MAX
+};
+
+extern const struct ras_gfx_ip_func gfx_ras_func_v9_0;
+
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_log_ring.c

@@ -0,0 +1,314 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "ras.h"
+#include "ras_core_status.h"
+#include "ras_log_ring.h"
+
+#define RAS_LOG_MAX_QUERY_SIZE   0xC000
+#define RAS_LOG_MEM_TEMP_SIZE    0x200
+#define RAS_LOG_MEMPOOL_SIZE \
+	(RAS_LOG_MAX_QUERY_SIZE + RAS_LOG_MEM_TEMP_SIZE)
+
+#define BATCH_IDX_TO_TREE_IDX(batch_idx, sn) (((batch_idx) << 8) | (sn))
+
+static const uint64_t ras_rma_aca_reg[ACA_REG_MAX_COUNT] = {
+	[ACA_REG_IDX__CTL]    = 0x1,
+	[ACA_REG_IDX__STATUS] = 0xB000000000000137,
+	[ACA_REG_IDX__ADDR]   = 0x0,
+	[ACA_REG_IDX__MISC0]  = 0x0,
+	[ACA_REG_IDX__CONFG] = 0x1ff00000002,
+	[ACA_REG_IDX__IPID]   = 0x9600000000,
+	[ACA_REG_IDX__SYND]   = 0x0,
+};
+
+static uint64_t ras_log_ring_get_logged_ecc_count(struct ras_core_context *ras_core)
+{
+	struct ras_log_ring *log_ring = &ras_core->ras_log_ring;
+	uint64_t count = 0;
+
+	if (log_ring->logged_ecc_count < 0) {
+		RAS_DEV_WARN(ras_core->dev,
+			"Error: the logged ras count should not less than 0!\n");
+		count = 0;
+	} else {
+		count = log_ring->logged_ecc_count;
+	}
+
+	if (count > RAS_LOG_MEMPOOL_SIZE)
+		RAS_DEV_WARN(ras_core->dev,
+			"Error: the logged ras count is out of range!\n");
+
+	return count;
+}
+
+static int ras_log_ring_add_data(struct ras_core_context *ras_core,
+			struct ras_log_info *log, struct ras_log_batch_tag *batch_tag)
+{
+	struct ras_log_ring *log_ring = &ras_core->ras_log_ring;
+	unsigned long flags = 0;
+	int ret = 0;
+
+	if (batch_tag && (batch_tag->sub_seqno >= MAX_RECORD_PER_BATCH)) {
+		RAS_DEV_ERR(ras_core->dev,
+			"Invalid batch sub seqno:%d, batch:0x%llx\n",
+			batch_tag->sub_seqno, batch_tag->batch_id);
+		return -EINVAL;
+	}
+
+	spin_lock_irqsave(&log_ring->spin_lock, flags);
+	if (batch_tag) {
+		log->seqno =
+			BATCH_IDX_TO_TREE_IDX(batch_tag->batch_id, batch_tag->sub_seqno);
+		batch_tag->sub_seqno++;
+	} else {
+		log->seqno = BATCH_IDX_TO_TREE_IDX(log_ring->mono_upward_batch_id, 0);
+		log_ring->mono_upward_batch_id++;
+	}
+	ret = radix_tree_insert(&log_ring->ras_log_root, log->seqno, log);
+	if (!ret)
+		log_ring->logged_ecc_count++;
+	spin_unlock_irqrestore(&log_ring->spin_lock, flags);
+
+	if (ret) {
+		RAS_DEV_ERR(ras_core->dev,
+			"Failed to add ras log! seqno:0x%llx, ret:%d\n",
+			log->seqno, ret);
+		mempool_free(log, log_ring->ras_log_mempool);
+	}
+
+	return ret;
+}
+
+static int ras_log_ring_delete_data(struct ras_core_context *ras_core, uint32_t count)
+{
+	struct ras_log_ring *log_ring = &ras_core->ras_log_ring;
+	unsigned long flags = 0;
+	uint32_t i = 0, j = 0;
+	uint64_t batch_id, idx;
+	void *data;
+	int ret = -ENODATA;
+
+	if (count > ras_log_ring_get_logged_ecc_count(ras_core))
+		return -EINVAL;
+
+	spin_lock_irqsave(&log_ring->spin_lock, flags);
+	batch_id = log_ring->last_del_batch_id;
+	while (batch_id < log_ring->mono_upward_batch_id) {
+		for (j = 0; j < MAX_RECORD_PER_BATCH; j++) {
+			idx = BATCH_IDX_TO_TREE_IDX(batch_id, j);
+			data = radix_tree_delete(&log_ring->ras_log_root, idx);
+			if (data) {
+				mempool_free(data, log_ring->ras_log_mempool);
+				log_ring->logged_ecc_count--;
+				i++;
+			}
+		}
+		batch_id = ++log_ring->last_del_batch_id;
+		if (i >= count) {
+			ret = 0;
+			break;
+		}
+	}
+	spin_unlock_irqrestore(&log_ring->spin_lock, flags);
+
+	return ret;
+}
+
+static void ras_log_ring_clear_log_tree(struct ras_core_context *ras_core)
+{
+	struct ras_log_ring *log_ring = &ras_core->ras_log_ring;
+	uint64_t batch_id, idx;
+	unsigned long flags = 0;
+	void *data;
+	int j;
+
+	if ((log_ring->mono_upward_batch_id <= log_ring->last_del_batch_id) &&
+		!log_ring->logged_ecc_count)
+		return;
+
+	spin_lock_irqsave(&log_ring->spin_lock, flags);
+	batch_id = log_ring->last_del_batch_id;
+	while (batch_id < log_ring->mono_upward_batch_id) {
+		for (j = 0; j < MAX_RECORD_PER_BATCH; j++) {
+			idx = BATCH_IDX_TO_TREE_IDX(batch_id, j);
+			data = radix_tree_delete(&log_ring->ras_log_root, idx);
+			if (data) {
+				mempool_free(data, log_ring->ras_log_mempool);
+				log_ring->logged_ecc_count--;
+			}
+		}
+		batch_id++;
+	}
+	spin_unlock_irqrestore(&log_ring->spin_lock, flags);
+
+}
+
+int ras_log_ring_sw_init(struct ras_core_context *ras_core)
+{
+	struct ras_log_ring *log_ring = &ras_core->ras_log_ring;
+
+	memset(log_ring, 0, sizeof(*log_ring));
+
+	log_ring->ras_log_mempool = mempool_create_kmalloc_pool(
+			RAS_LOG_MEMPOOL_SIZE, sizeof(struct ras_log_info));
+	if (!log_ring->ras_log_mempool)
+		return -ENOMEM;
+
+	INIT_RADIX_TREE(&log_ring->ras_log_root, GFP_KERNEL);
+
+	spin_lock_init(&log_ring->spin_lock);
+
+	return 0;
+}
+
+int ras_log_ring_sw_fini(struct ras_core_context *ras_core)
+{
+	struct ras_log_ring *log_ring = &ras_core->ras_log_ring;
+
+	ras_log_ring_clear_log_tree(ras_core);
+	log_ring->logged_ecc_count = 0;
+	log_ring->last_del_batch_id = 0;
+	log_ring->mono_upward_batch_id = 0;
+
+	mempool_destroy(log_ring->ras_log_mempool);
+
+	return 0;
+}
+
+struct ras_log_batch_tag *ras_log_ring_create_batch_tag(struct ras_core_context *ras_core)
+{
+	struct ras_log_ring *log_ring = &ras_core->ras_log_ring;
+	struct ras_log_batch_tag *batch_tag;
+	unsigned long flags = 0;
+
+	batch_tag = kzalloc_obj(*batch_tag);
+	if (!batch_tag)
+		return NULL;
+
+	spin_lock_irqsave(&log_ring->spin_lock, flags);
+	batch_tag->batch_id = log_ring->mono_upward_batch_id;
+	log_ring->mono_upward_batch_id++;
+	spin_unlock_irqrestore(&log_ring->spin_lock, flags);
+
+	batch_tag->sub_seqno = 0;
+	batch_tag->timestamp = ras_core_get_utc_second_timestamp(ras_core);
+	return batch_tag;
+}
+
+void ras_log_ring_destroy_batch_tag(struct ras_core_context *ras_core,
+		struct ras_log_batch_tag *batch_tag)
+{
+	kfree(batch_tag);
+}
+
+void ras_log_ring_add_log_event(struct ras_core_context *ras_core,
+		enum ras_log_event event, void *data, struct ras_log_batch_tag *batch_tag)
+{
+	struct ras_log_ring *log_ring = &ras_core->ras_log_ring;
+	struct device_system_info dev_info = {0};
+	struct ras_log_info *log;
+	uint64_t socket_id;
+	void *obj;
+
+	obj = mempool_alloc_preallocated(log_ring->ras_log_mempool);
+	if (!obj ||
+	   (ras_log_ring_get_logged_ecc_count(ras_core) >= RAS_LOG_MEMPOOL_SIZE)) {
+		ras_log_ring_delete_data(ras_core, RAS_LOG_MEM_TEMP_SIZE);
+		if (!obj)
+			obj = mempool_alloc_preallocated(log_ring->ras_log_mempool);
+	}
+
+	if (!obj) {
+		RAS_DEV_ERR(ras_core->dev, "ERROR: Failed to alloc ras log buffer!\n");
+		return;
+	}
+
+	log = (struct ras_log_info *)obj;
+
+	memset(log, 0, sizeof(*log));
+	log->timestamp =
+		batch_tag ? batch_tag->timestamp : ras_core_get_utc_second_timestamp(ras_core);
+	log->event = event;
+
+	if (data)
+		memcpy(&log->aca_reg, data, sizeof(log->aca_reg));
+
+	if (event == RAS_LOG_EVENT_RMA) {
+		memcpy(&log->aca_reg, ras_rma_aca_reg, sizeof(log->aca_reg));
+		ras_core_get_device_system_info(ras_core, &dev_info);
+		socket_id = dev_info.socket_id;
+		log->aca_reg.regs[ACA_REG_IDX__IPID] |= ((socket_id / 4) & 0x01);
+		log->aca_reg.regs[ACA_REG_IDX__IPID] |= (((socket_id % 4) & 0x3) << 44);
+	}
+
+	ras_log_ring_add_data(ras_core, log, batch_tag);
+}
+
+static int ras_log_ring_lookup_data(struct ras_core_context *ras_core,
+					uint64_t idx, struct ras_log_info *log)
+{
+	struct ras_log_ring *log_ring = &ras_core->ras_log_ring;
+	unsigned long flags = 0;
+	void *data;
+
+	spin_lock_irqsave(&log_ring->spin_lock, flags);
+	data = radix_tree_lookup(&log_ring->ras_log_root, idx);
+	if (data)
+		memcpy(log, data, sizeof(*log));
+	spin_unlock_irqrestore(&log_ring->spin_lock, flags);
+
+	return data ? 0 : -ENODATA;
+}
+
+int ras_log_ring_get_batch_records(struct ras_core_context *ras_core, uint64_t batch_id,
+		struct ras_log_info *log_arr, uint32_t arr_num)
+{
+	struct ras_log_ring *log_ring = &ras_core->ras_log_ring;
+	uint32_t i, idx, count = 0;
+
+	if (!log_arr || !arr_num || (batch_id >= log_ring->mono_upward_batch_id) ||
+		(batch_id < log_ring->last_del_batch_id))
+		return -EINVAL;
+
+	for (i = 0; i < MAX_RECORD_PER_BATCH && i < arr_num; i++) {
+		idx = BATCH_IDX_TO_TREE_IDX(batch_id, i);
+		if (!ras_log_ring_lookup_data(ras_core, idx, &log_arr[count]))
+			count++;
+	}
+
+	return count;
+}
+
+int ras_log_ring_get_batch_overview(struct ras_core_context *ras_core,
+		struct ras_log_batch_overview *overview)
+{
+	struct ras_log_ring *log_ring = &ras_core->ras_log_ring;
+
+	overview->logged_batch_count =
+		log_ring->mono_upward_batch_id - log_ring->last_del_batch_id;
+	overview->last_batch_id = log_ring->mono_upward_batch_id;
+	overview->first_batch_id = log_ring->last_del_batch_id;
+
+	return 0;
+}

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_log_ring.h

@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#ifndef __RAS_LOG_RING_H__
+#define __RAS_LOG_RING_H__
+#include "ras_aca.h"
+
+#define MAX_RECORD_PER_BATCH 32
+
+#define RAS_LOG_SEQNO_TO_BATCH_IDX(seqno) ((seqno) >> 8)
+
+enum ras_log_event {
+	RAS_LOG_EVENT_NONE,
+	RAS_LOG_EVENT_UE,
+	RAS_LOG_EVENT_DE,
+	RAS_LOG_EVENT_CE,
+	RAS_LOG_EVENT_POISON_CREATION,
+	RAS_LOG_EVENT_POISON_CONSUMPTION,
+	RAS_LOG_EVENT_RMA,
+	RAS_LOG_EVENT_COUNT_MAX,
+};
+
+struct ras_aca_reg {
+	uint64_t regs[ACA_REG_MAX_COUNT];
+};
+
+struct ras_log_info {
+	uint64_t seqno;
+	uint64_t timestamp;
+	enum ras_log_event event;
+	union {
+		struct ras_aca_reg aca_reg;
+	};
+};
+
+struct ras_log_batch_tag {
+	uint64_t batch_id;
+	uint64_t timestamp;
+	uint32_t sub_seqno;
+};
+
+struct ras_log_ring {
+	void *ras_log_mempool;
+	struct radix_tree_root ras_log_root;
+	spinlock_t spin_lock;
+	uint64_t mono_upward_batch_id;
+	uint64_t last_del_batch_id;
+	int logged_ecc_count;
+};
+
+struct ras_log_batch_overview {
+	uint64_t first_batch_id;
+	uint64_t last_batch_id;
+	uint32_t logged_batch_count;
+};
+
+struct ras_core_context;
+
+int ras_log_ring_sw_init(struct ras_core_context *ras_core);
+int ras_log_ring_sw_fini(struct ras_core_context *ras_core);
+
+struct ras_log_batch_tag *ras_log_ring_create_batch_tag(struct ras_core_context *ras_core);
+void ras_log_ring_destroy_batch_tag(struct ras_core_context *ras_core,
+			struct ras_log_batch_tag *tag);
+void ras_log_ring_add_log_event(struct ras_core_context *ras_core,
+		enum ras_log_event event, void *data, struct ras_log_batch_tag *tag);
+
+int ras_log_ring_get_batch_records(struct ras_core_context *ras_core, uint64_t batch_idx,
+		struct ras_log_info *log_arr, uint32_t arr_num);
+
+int ras_log_ring_get_batch_overview(struct ras_core_context *ras_core,
+		struct ras_log_batch_overview *overview);
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_mp1.c

@@ -0,0 +1,81 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "ras.h"
+#include "ras_mp1.h"
+#include "ras_mp1_v13_0.h"
+
+static const struct ras_mp1_ip_func *ras_mp1_get_ip_funcs(
+				struct ras_core_context *ras_core, uint32_t ip_version)
+{
+	switch (ip_version) {
+	case IP_VERSION(13, 0, 6):
+	case IP_VERSION(13, 0, 14):
+	case IP_VERSION(13, 0, 12):
+		return &mp1_ras_func_v13_0;
+	default:
+		RAS_DEV_ERR(ras_core->dev,
+			"MP1 ip version(0x%x) is not supported!\n", ip_version);
+		break;
+	}
+
+	return NULL;
+}
+
+int ras_mp1_get_bank_count(struct ras_core_context *ras_core,
+			    enum ras_err_type type, u32 *count)
+{
+	struct ras_mp1 *mp1 = &ras_core->ras_mp1;
+
+	return mp1->ip_func->get_valid_bank_count(ras_core, type, count);
+}
+
+int ras_mp1_dump_bank(struct ras_core_context *ras_core,
+		u32 type, u32 idx, u32 reg_idx, u64 *val)
+{
+	struct ras_mp1 *mp1 = &ras_core->ras_mp1;
+
+	return mp1->ip_func->dump_valid_bank(ras_core, type, idx, reg_idx, val);
+}
+
+int ras_mp1_hw_init(struct ras_core_context *ras_core)
+{
+	struct ras_mp1 *mp1 = &ras_core->ras_mp1;
+
+	mp1->mp1_ip_version = ras_core->config->mp1_ip_version;
+	mp1->sys_func = ras_core->config->mp1_cfg.mp1_sys_fn;
+	if (!mp1->sys_func) {
+		RAS_DEV_ERR(ras_core->dev, "RAS mp1 sys function not configured!\n");
+		return -EINVAL;
+	}
+
+	mp1->ip_func = ras_mp1_get_ip_funcs(ras_core, mp1->mp1_ip_version);
+
+	return mp1->ip_func ? RAS_CORE_OK : -EINVAL;
+}
+
+int ras_mp1_hw_fini(struct ras_core_context *ras_core)
+{
+	return 0;
+}

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_mp1.h

@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#ifndef __RAS_MP1_H__
+#define __RAS_MP1_H__
+#include "ras.h"
+
+enum ras_err_type;
+struct ras_mp1_ip_func {
+	int (*get_valid_bank_count)(struct ras_core_context *ras_core,
+			enum ras_err_type type, u32 *count);
+	int (*dump_valid_bank)(struct ras_core_context *ras_core,
+		enum ras_err_type type, u32 idx, u32 reg_idx, u64 *val);
+};
+
+struct ras_mp1 {
+	uint32_t mp1_ip_version;
+	const struct ras_mp1_ip_func *ip_func;
+	const struct ras_mp1_sys_func *sys_func;
+};
+
+int ras_mp1_hw_init(struct ras_core_context *ras_core);
+int ras_mp1_hw_fini(struct ras_core_context *ras_core);
+
+int ras_mp1_get_bank_count(struct ras_core_context *ras_core,
+			    enum ras_err_type type, u32 *count);
+
+int ras_mp1_dump_bank(struct ras_core_context *ras_core,
+		u32 ecc_type, u32 idx, u32 reg_idx, u64 *val);
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_mp1_v13_0.c

@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "ras.h"
+#include "ras_mp1.h"
+#include "ras_core_status.h"
+#include "ras_mp1_v13_0.h"
+
+#define RAS_MP1_MSG_QueryValidMcaCount                0x36
+#define RAS_MP1_MSG_McaBankDumpDW                     0x37
+#define RAS_MP1_MSG_ClearMcaOnRead                    0x39
+#define RAS_MP1_MSG_QueryValidMcaCeCount              0x3A
+#define RAS_MP1_MSG_McaBankCeDumpDW                   0x3B
+
+#define MAX_UE_BANKS_PER_QUERY  12
+#define MAX_CE_BANKS_PER_QUERY  12
+
+static int mp1_v13_0_get_bank_count(struct ras_core_context *ras_core,
+			    enum ras_err_type type, u32 *count)
+{
+	struct ras_mp1 *mp1 = &ras_core->ras_mp1;
+	const struct ras_mp1_sys_func *sys_func = mp1->sys_func;
+	uint32_t bank_count = 0;
+	u32 msg;
+	int ret;
+
+	if (!count)
+		return -EINVAL;
+
+	if (!sys_func || !sys_func->mp1_get_valid_bank_count)
+		return -RAS_CORE_NOT_SUPPORTED;
+
+	switch (type) {
+	case RAS_ERR_TYPE__UE:
+		msg = RAS_MP1_MSG_QueryValidMcaCount;
+		break;
+	case RAS_ERR_TYPE__CE:
+	case RAS_ERR_TYPE__DE:
+		msg = RAS_MP1_MSG_QueryValidMcaCeCount;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	ret = sys_func->mp1_get_valid_bank_count(ras_core, msg, &bank_count);
+	if (!ret) {
+		if (((type == RAS_ERR_TYPE__UE) && (bank_count >= MAX_UE_BANKS_PER_QUERY)) ||
+			((type == RAS_ERR_TYPE__CE) && (bank_count >= MAX_CE_BANKS_PER_QUERY)))
+			return -EINVAL;
+
+		*count = bank_count;
+	}
+
+	return ret;
+}
+
+static int mp1_v13_0_dump_bank(struct ras_core_context *ras_core,
+			enum ras_err_type type, u32 idx, u32 reg_idx, u64 *val)
+{
+	struct ras_mp1 *mp1 = &ras_core->ras_mp1;
+	const struct ras_mp1_sys_func *sys_func = mp1->sys_func;
+	u32 msg;
+
+	if (!sys_func || !sys_func->mp1_dump_valid_bank)
+		return -RAS_CORE_NOT_SUPPORTED;
+
+	switch (type) {
+	case RAS_ERR_TYPE__UE:
+		msg = RAS_MP1_MSG_McaBankDumpDW;
+		break;
+	case RAS_ERR_TYPE__CE:
+	case RAS_ERR_TYPE__DE:
+		msg = RAS_MP1_MSG_McaBankCeDumpDW;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return sys_func->mp1_dump_valid_bank(ras_core, msg, idx, reg_idx, val);
+}
+
+const struct ras_mp1_ip_func mp1_ras_func_v13_0 = {
+	.get_valid_bank_count = mp1_v13_0_get_bank_count,
+	.dump_valid_bank = mp1_v13_0_dump_bank,
+};

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_mp1_v13_0.h

@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#ifndef __RAS_MP1_V13_0_H__
+#define __RAS_MP1_V13_0_H__
+#include "ras_mp1.h"
+
+extern const struct ras_mp1_ip_func mp1_ras_func_v13_0;
+
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_nbio.c

@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "ras.h"
+#include "ras_nbio.h"
+#include "ras_nbio_v7_9.h"
+
+static const struct ras_nbio_ip_func *ras_nbio_get_ip_funcs(
+				struct ras_core_context *ras_core, uint32_t ip_version)
+{
+	switch (ip_version) {
+	case IP_VERSION(7, 9, 0):
+	case IP_VERSION(7, 9, 1):
+		return &ras_nbio_v7_9;
+	default:
+		RAS_DEV_ERR(ras_core->dev,
+			"NBIO ip version(0x%x) is not supported!\n", ip_version);
+		break;
+	}
+
+	return NULL;
+}
+
+int ras_nbio_hw_init(struct ras_core_context *ras_core)
+{
+	struct ras_nbio *nbio = &ras_core->ras_nbio;
+
+	nbio->nbio_ip_version = ras_core->config->nbio_ip_version;
+	nbio->sys_func = ras_core->config->nbio_cfg.nbio_sys_fn;
+	if (!nbio->sys_func) {
+		RAS_DEV_ERR(ras_core->dev, "RAS nbio sys function not configured!\n");
+		return -EINVAL;
+	}
+
+	nbio->ip_func = ras_nbio_get_ip_funcs(ras_core, nbio->nbio_ip_version);
+	if (!nbio->ip_func)
+		return -EINVAL;
+
+	if (nbio->sys_func) {
+		if (nbio->sys_func->set_ras_controller_irq_state)
+			nbio->sys_func->set_ras_controller_irq_state(ras_core, true);
+		if (nbio->sys_func->set_ras_err_event_athub_irq_state)
+			nbio->sys_func->set_ras_err_event_athub_irq_state(ras_core, true);
+	}
+
+	return 0;
+}
+
+int ras_nbio_hw_fini(struct ras_core_context *ras_core)
+{
+	struct ras_nbio *nbio = &ras_core->ras_nbio;
+
+	if (nbio->sys_func) {
+		if (nbio->sys_func->set_ras_controller_irq_state)
+			nbio->sys_func->set_ras_controller_irq_state(ras_core, false);
+		if (nbio->sys_func->set_ras_err_event_athub_irq_state)
+			nbio->sys_func->set_ras_err_event_athub_irq_state(ras_core, false);
+	}
+
+	return 0;
+}
+
+bool ras_nbio_handle_irq_error(struct ras_core_context *ras_core, void *data)
+{
+	struct ras_nbio *nbio = &ras_core->ras_nbio;
+
+	if (nbio->ip_func) {
+		if (nbio->ip_func->handle_ras_controller_intr_no_bifring)
+			nbio->ip_func->handle_ras_controller_intr_no_bifring(ras_core);
+		if (nbio->ip_func->handle_ras_err_event_athub_intr_no_bifring)
+			nbio->ip_func->handle_ras_err_event_athub_intr_no_bifring(ras_core);
+	}
+
+	return true;
+}

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_nbio.h

@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __RAS_NBIO_H__
+#define __RAS_NBIO_H__
+#include "ras.h"
+
+struct ras_core_context;
+
+struct ras_nbio_ip_func {
+	int (*handle_ras_controller_intr_no_bifring)(struct ras_core_context *ras_core);
+	int (*handle_ras_err_event_athub_intr_no_bifring)(struct ras_core_context *ras_core);
+	uint32_t (*get_memory_partition_mode)(struct ras_core_context *ras_core);
+};
+
+struct ras_nbio {
+	uint32_t nbio_ip_version;
+	const struct ras_nbio_ip_func *ip_func;
+	const struct ras_nbio_sys_func *sys_func;
+};
+
+int ras_nbio_hw_init(struct ras_core_context *ras_core);
+int ras_nbio_hw_fini(struct ras_core_context *ras_core);
+bool ras_nbio_handle_irq_error(struct ras_core_context *ras_core, void *data);
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_nbio_v7_9.c

@@ -0,0 +1,123 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "ras.h"
+#include "ras_nbio_v7_9.h"
+
+#define BIF_BX0_BIF_DOORBELL_INT_CNTL__RAS_ATHUB_ERR_EVENT_INTERRUPT_CLEAR__SHIFT      0x12
+#define BIF_BX0_BIF_DOORBELL_INT_CNTL__RAS_ATHUB_ERR_EVENT_INTERRUPT_CLEAR_MASK        0x00040000L
+#define BIF_BX0_BIF_DOORBELL_INT_CNTL__RAS_ATHUB_ERR_EVENT_INTERRUPT_STATUS__SHIFT     0x2
+#define BIF_BX0_BIF_DOORBELL_INT_CNTL__RAS_ATHUB_ERR_EVENT_INTERRUPT_STATUS_MASK       0x00000004L
+#define BIF_BX0_BIF_DOORBELL_INT_CNTL__RAS_CNTLR_INTERRUPT_CLEAR__SHIFT                0x11
+#define BIF_BX0_BIF_DOORBELL_INT_CNTL__RAS_CNTLR_INTERRUPT_CLEAR_MASK                  0x00020000L
+#define BIF_BX0_BIF_DOORBELL_INT_CNTL__RAS_CNTLR_INTERRUPT_STATUS__SHIFT               0x1
+#define BIF_BX0_BIF_DOORBELL_INT_CNTL__RAS_CNTLR_INTERRUPT_STATUS_MASK                 0x00000002L
+
+#define regBIF_BX0_BIF_DOORBELL_INT_CNTL_BASE_IDX      2
+#define regBIF_BX0_BIF_DOORBELL_INT_CNTL               0x00fe
+
+#define regBIF_BX0_BIF_INTR_CNTL                                                       0x0101
+#define regBIF_BX0_BIF_INTR_CNTL_BASE_IDX                                              2
+
+/* BIF_BX0_BIF_INTR_CNTL */
+#define BIF_BX0_BIF_INTR_CNTL__RAS_INTR_VEC_SEL__SHIFT                                 0x0
+#define BIF_BX0_BIF_INTR_CNTL__RAS_INTR_VEC_SEL_MASK                                   0x00000001L
+
+#define regBIF_BX_PF0_PARTITION_MEM_STATUS                                             0x0164
+#define regBIF_BX_PF0_PARTITION_MEM_STATUS_BASE_IDX                                    2
+/* BIF_BX_PF0_PARTITION_MEM_STATUS */
+#define BIF_BX_PF0_PARTITION_MEM_STATUS__CHANGE_STATUE__SHIFT                          0x0
+#define BIF_BX_PF0_PARTITION_MEM_STATUS__NPS_MODE__SHIFT                               0x4
+#define BIF_BX_PF0_PARTITION_MEM_STATUS__CHANGE_STATUE_MASK                            0x0000000FL
+#define BIF_BX_PF0_PARTITION_MEM_STATUS__NPS_MODE_MASK                                 0x00000FF0L
+
+
+static int nbio_v7_9_handle_ras_controller_intr_no_bifring(struct ras_core_context *ras_core)
+{
+	uint32_t bif_doorbell_intr_cntl = 0;
+
+	bif_doorbell_intr_cntl =
+		RAS_DEV_RREG32_SOC15(ras_core->dev, NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL);
+
+	if (REG_GET_FIELD(bif_doorbell_intr_cntl,
+		BIF_BX0_BIF_DOORBELL_INT_CNTL, RAS_CNTLR_INTERRUPT_STATUS)) {
+		/* driver has to clear the interrupt status when bif ring is disabled */
+		bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl,
+						BIF_BX0_BIF_DOORBELL_INT_CNTL,
+						RAS_CNTLR_INTERRUPT_CLEAR, 1);
+
+		RAS_DEV_WREG32_SOC15(ras_core->dev,
+			NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl);
+
+		/* TODO: handle ras controller interrupt */
+	}
+
+	return 0;
+}
+
+static int nbio_v7_9_handle_ras_err_event_athub_intr_no_bifring(struct ras_core_context *ras_core)
+{
+	uint32_t bif_doorbell_intr_cntl = 0;
+	int ret = 0;
+
+	bif_doorbell_intr_cntl =
+		RAS_DEV_RREG32_SOC15(ras_core->dev, NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL);
+
+	if (REG_GET_FIELD(bif_doorbell_intr_cntl,
+		BIF_BX0_BIF_DOORBELL_INT_CNTL, RAS_ATHUB_ERR_EVENT_INTERRUPT_STATUS)) {
+		/* driver has to clear the interrupt status when bif ring is disabled */
+		bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl,
+						BIF_BX0_BIF_DOORBELL_INT_CNTL,
+						RAS_ATHUB_ERR_EVENT_INTERRUPT_CLEAR, 1);
+
+		RAS_DEV_WREG32_SOC15(ras_core->dev,
+			NBIO, 0, regBIF_BX0_BIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl);
+
+		ret = ras_core_handle_fatal_error(ras_core);
+	}
+
+	return ret;
+}
+
+static uint32_t nbio_v7_9_get_memory_partition_mode(struct ras_core_context *ras_core)
+{
+	uint32_t mem_status;
+	uint32_t mem_mode;
+
+	mem_status =
+		RAS_DEV_RREG32_SOC15(ras_core->dev, NBIO, 0, regBIF_BX_PF0_PARTITION_MEM_STATUS);
+
+	/* Each bit represents a mode 1-8*/
+	mem_mode = REG_GET_FIELD(mem_status, BIF_BX_PF0_PARTITION_MEM_STATUS, NPS_MODE);
+
+	return ffs(mem_mode);
+}
+
+const struct ras_nbio_ip_func ras_nbio_v7_9 = {
+	.handle_ras_controller_intr_no_bifring =
+		nbio_v7_9_handle_ras_controller_intr_no_bifring,
+	.handle_ras_err_event_athub_intr_no_bifring =
+		nbio_v7_9_handle_ras_err_event_athub_intr_no_bifring,
+	.get_memory_partition_mode = nbio_v7_9_get_memory_partition_mode,
+};

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_nbio_v7_9.h

@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __RAS_NBIO_V7_9_H__
+#define __RAS_NBIO_V7_9_H__
+#include "ras_nbio.h"
+
+extern const struct ras_nbio_ip_func ras_nbio_v7_9;
+
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_process.c

@@ -0,0 +1,322 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "ras.h"
+#include "ras_process.h"
+
+#define RAS_EVENT_FIFO_SIZE (128 * sizeof(struct ras_event_req))
+
+#define RAS_POLLING_ECC_TIMEOUT  300
+
+static int ras_process_put_event(struct ras_core_context *ras_core,
+		struct ras_event_req *req)
+{
+	struct ras_process *ras_proc = &ras_core->ras_proc;
+	int ret;
+
+	ret = kfifo_in_spinlocked(&ras_proc->event_fifo,
+			req, sizeof(*req), &ras_proc->fifo_spinlock);
+	if (!ret) {
+		RAS_DEV_ERR(ras_core->dev, "Poison message fifo is full!\n");
+		return -ENOSPC;
+	}
+
+	return 0;
+}
+
+static int ras_process_add_reset_gpu_event(struct ras_core_context *ras_core,
+			uint32_t reset_cause)
+{
+	struct ras_event_req req = {0};
+
+	req.reset = reset_cause;
+
+	return ras_process_put_event(ras_core, &req);
+}
+
+static int ras_process_get_event(struct ras_core_context *ras_core,
+		struct ras_event_req *req)
+{
+	struct ras_process *ras_proc = &ras_core->ras_proc;
+
+	return kfifo_out_spinlocked(&ras_proc->event_fifo,
+				req, sizeof(*req), &ras_proc->fifo_spinlock);
+}
+
+static void ras_process_clear_event_fifo(struct ras_core_context *ras_core)
+{
+	struct ras_event_req req;
+	int ret;
+
+	do {
+		ret = ras_process_get_event(ras_core, &req);
+	} while (ret);
+}
+
+#define AMDGPU_RAS_WAITING_DATA_READY  200
+static int ras_process_umc_event(struct ras_core_context *ras_core,
+				uint32_t event_count)
+{
+	struct ras_ecc_count ecc_data;
+	int ret = 0;
+	uint32_t timeout = 0;
+	uint32_t detected_de_count = 0;
+
+	do {
+		memset(&ecc_data, 0, sizeof(ecc_data));
+		ret = ras_core_update_ecc_info(ras_core);
+		if (ret)
+			return ret;
+
+		ret = ras_core_query_block_ecc_data(ras_core, RAS_BLOCK_ID__UMC, &ecc_data);
+		if (ret)
+			return ret;
+
+		if (ecc_data.new_de_count) {
+			detected_de_count += ecc_data.new_de_count;
+			timeout = 0;
+		} else {
+			if (!timeout && event_count)
+				timeout = AMDGPU_RAS_WAITING_DATA_READY;
+
+			if (timeout) {
+				if (!--timeout)
+					break;
+
+				msleep(1);
+			}
+		}
+	} while (detected_de_count < event_count);
+
+	if (detected_de_count && ras_core_gpu_is_rma(ras_core))
+		ras_process_add_reset_gpu_event(ras_core, GPU_RESET_CAUSE_RMA);
+
+	return 0;
+}
+
+static int ras_process_non_umc_event(struct ras_core_context *ras_core)
+{
+	struct ras_process *ras_proc = &ras_core->ras_proc;
+	struct ras_event_req req;
+	uint32_t event_count = kfifo_len(&ras_proc->event_fifo);
+	uint32_t reset_flags = 0;
+	int ret = 0, i;
+
+	for (i = 0; i < event_count; i++) {
+		memset(&req, 0, sizeof(req));
+		ret = ras_process_get_event(ras_core, &req);
+		if (!ret)
+			continue;
+
+		ras_core_event_notify(ras_core,
+			RAS_EVENT_ID__POISON_CONSUMPTION, &req);
+
+		reset_flags |= req.reset;
+
+		if (req.reset == GPU_RESET_CAUSE_RMA)
+			continue;
+
+		if (req.reset)
+			RAS_DEV_INFO(ras_core->dev,
+				"{%llu} GPU reset for %s RAS poison consumption is issued!\n",
+				req.seqno, ras_core_get_ras_block_name(req.block));
+		else
+			RAS_DEV_INFO(ras_core->dev,
+				"{%llu} %s RAS poison consumption is issued!\n",
+				req.seqno, ras_core_get_ras_block_name(req.block));
+	}
+
+	if (reset_flags) {
+		ret = ras_core_event_notify(ras_core,
+				RAS_EVENT_ID__RESET_GPU, &reset_flags);
+		if (!ret && (reset_flags & GPU_RESET_CAUSE_RMA))
+			return -RAS_CORE_GPU_IN_MODE1_RESET;
+	}
+
+	return ret;
+}
+
+int ras_process_handle_ras_event(struct ras_core_context *ras_core)
+{
+	struct ras_process *ras_proc = &ras_core->ras_proc;
+	uint32_t umc_event_count;
+	int ret;
+
+	ret = ras_core_event_notify(ras_core,
+			RAS_EVENT_ID__RAS_EVENT_PROC_BEGIN, NULL);
+	if (ret)
+		return ret;
+
+	ras_aca_clear_fatal_flag(ras_core);
+	ras_umc_log_pending_bad_bank(ras_core);
+
+	do {
+		umc_event_count = atomic_read(&ras_proc->umc_interrupt_count);
+		ret = ras_process_umc_event(ras_core, umc_event_count);
+		if (ret == -RAS_CORE_GPU_IN_MODE1_RESET)
+			break;
+
+		if (umc_event_count)
+			atomic_sub(umc_event_count, &ras_proc->umc_interrupt_count);
+	} while (atomic_read(&ras_proc->umc_interrupt_count));
+
+	if ((ret != -RAS_CORE_GPU_IN_MODE1_RESET) &&
+			(kfifo_len(&ras_proc->event_fifo)))
+		ret = ras_process_non_umc_event(ras_core);
+
+	if (ret == -RAS_CORE_GPU_IN_MODE1_RESET) {
+		/* Clear poison fifo */
+		ras_process_clear_event_fifo(ras_core);
+		atomic_set(&ras_proc->umc_interrupt_count, 0);
+	}
+
+	ras_core_event_notify(ras_core,
+			RAS_EVENT_ID__RAS_EVENT_PROC_END, NULL);
+	return ret;
+}
+
+static int thread_wait_condition(void *param)
+{
+	struct ras_process *ras_proc = (struct ras_process *)param;
+
+	return (kthread_should_stop() ||
+		atomic_read(&ras_proc->ras_interrupt_req));
+}
+
+static int ras_process_thread(void *context)
+{
+	struct ras_core_context *ras_core = (struct ras_core_context *)context;
+	struct ras_process *ras_proc = &ras_core->ras_proc;
+
+	while (!kthread_should_stop()) {
+		ras_wait_event_interruptible_timeout(&ras_proc->ras_process_wq,
+			thread_wait_condition, ras_proc,
+			msecs_to_jiffies(RAS_POLLING_ECC_TIMEOUT));
+
+		if (kthread_should_stop())
+			break;
+
+		if (!ras_core->is_initialized)
+			continue;
+
+		atomic_set(&ras_proc->ras_interrupt_req, 0);
+
+		if (ras_core_gpu_in_reset(ras_core))
+			continue;
+
+		if (ras_core->sys_fn && ras_core->sys_fn->async_handle_ras_event)
+			ras_core->sys_fn->async_handle_ras_event(ras_core, NULL);
+		else
+			ras_process_handle_ras_event(ras_core);
+	}
+
+	return 0;
+}
+
+int ras_process_init(struct ras_core_context *ras_core)
+{
+	struct ras_process *ras_proc = &ras_core->ras_proc;
+	int ret;
+
+	ret = kfifo_alloc(&ras_proc->event_fifo, RAS_EVENT_FIFO_SIZE, GFP_KERNEL);
+	if (ret)
+		return ret;
+
+	spin_lock_init(&ras_proc->fifo_spinlock);
+
+	init_waitqueue_head(&ras_proc->ras_process_wq);
+
+	ras_proc->ras_process_thread = kthread_run(ras_process_thread,
+							(void *)ras_core, "ras_process_thread");
+	if (!ras_proc->ras_process_thread) {
+		RAS_DEV_ERR(ras_core->dev, "Failed to create ras_process_thread.\n");
+		ret =  -ENOMEM;
+		goto err;
+	}
+
+	return 0;
+
+err:
+	ras_process_fini(ras_core);
+	return ret;
+}
+
+int ras_process_fini(struct ras_core_context *ras_core)
+{
+	struct ras_process *ras_proc = &ras_core->ras_proc;
+
+	if (ras_proc->ras_process_thread) {
+		kthread_stop(ras_proc->ras_process_thread);
+		ras_proc->ras_process_thread = NULL;
+	}
+
+	kfifo_free(&ras_proc->event_fifo);
+
+	return 0;
+}
+
+static int ras_process_add_umc_interrupt_req(struct ras_core_context *ras_core,
+			struct ras_event_req *req)
+{
+	struct ras_process *ras_proc = &ras_core->ras_proc;
+
+	atomic_inc(&ras_proc->umc_interrupt_count);
+	atomic_inc(&ras_proc->ras_interrupt_req);
+
+	wake_up(&ras_proc->ras_process_wq);
+	return 0;
+}
+
+static int ras_process_add_non_umc_interrupt_req(struct ras_core_context *ras_core,
+		struct ras_event_req *req)
+{
+	struct ras_process *ras_proc = &ras_core->ras_proc;
+	int ret;
+
+	ret = ras_process_put_event(ras_core, req);
+	if (!ret) {
+		atomic_inc(&ras_proc->ras_interrupt_req);
+		wake_up(&ras_proc->ras_process_wq);
+	}
+
+	return ret;
+}
+
+int ras_process_add_interrupt_req(struct ras_core_context *ras_core,
+	struct ras_event_req *req, bool is_umc)
+{
+	int ret;
+
+	if (!ras_core)
+		return -EINVAL;
+
+	if (!ras_core->is_initialized)
+		return -EPERM;
+
+	if (is_umc)
+		ret = ras_process_add_umc_interrupt_req(ras_core, req);
+	else
+		ret = ras_process_add_non_umc_interrupt_req(ras_core, req);
+
+	return ret;
+}

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_process.h

@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#ifndef __RAS_PROCESS_H__
+#define __RAS_PROCESS_H__
+
+struct ras_event_req {
+	uint64_t seqno;
+	uint32_t idx_vf;
+	uint32_t block;
+	uint16_t pasid;
+	uint32_t reset;
+	void *pasid_fn;
+	void *data;
+};
+
+struct ras_process {
+	void *dev;
+	void *ras_process_thread;
+	wait_queue_head_t ras_process_wq;
+	atomic_t ras_interrupt_req;
+	atomic_t umc_interrupt_count;
+	struct kfifo event_fifo;
+	spinlock_t fifo_spinlock;
+};
+
+struct ras_core_context;
+int ras_process_init(struct ras_core_context *ras_core);
+int ras_process_fini(struct ras_core_context *ras_core);
+int ras_process_handle_ras_event(struct ras_core_context *ras_core);
+int ras_process_add_interrupt_req(struct ras_core_context *ras_core,
+		struct ras_event_req *req, bool is_umc);
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_psp.c

@@ -0,0 +1,752 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "ras.h"
+#include "ras_ta_if.h"
+#include "ras_psp.h"
+#include "ras_psp_v13_0.h"
+
+/* position of instance value in sub_block_index of
+ * ta_ras_trigger_error_input, the sub block uses lower 12 bits
+ */
+#define RAS_TA_INST_MASK 0xfffff000
+#define RAS_TA_INST_SHIFT 0xc
+
+static const struct ras_psp_ip_func *ras_psp_get_ip_funcs(
+			struct ras_core_context *ras_core, uint32_t ip_version)
+{
+	switch (ip_version) {
+	case IP_VERSION(13, 0, 6):
+	case IP_VERSION(13, 0, 14):
+	case IP_VERSION(13, 0, 12):
+		return &ras_psp_v13_0;
+	default:
+		RAS_DEV_ERR(ras_core->dev,
+			"psp ip version(0x%x) is not supported!\n", ip_version);
+		break;
+	}
+
+	return NULL;
+}
+
+static int ras_psp_sync_system_ras_psp_status(struct ras_core_context *ras_core)
+{
+	struct ras_psp *psp = &ras_core->ras_psp;
+	struct ras_ta_ctx *ta_ctx = &ras_core->ras_psp.ta_ctx;
+	struct ras_psp_ctx *psp_ctx = &ras_core->ras_psp.psp_ctx;
+	struct ras_psp_sys_status status = {0};
+	int ret;
+
+	if (psp->sys_func && psp->sys_func->get_ras_psp_system_status) {
+		ret = psp->sys_func->get_ras_psp_system_status(ras_core, &status);
+		if (ret)
+			return ret;
+
+		if (status.initialized) {
+			ta_ctx->preload_ras_ta_enabled = true;
+			ta_ctx->ras_ta_initialized = status.initialized;
+			ta_ctx->session_id = status.session_id;
+		}
+
+		psp_ctx->external_mutex = status.psp_cmd_mutex;
+	}
+
+	return 0;
+}
+
+static int ras_psp_get_ras_ta_init_param(struct ras_core_context *ras_core,
+	struct ras_ta_init_param *ras_ta_param)
+{
+	struct ras_psp *psp = &ras_core->ras_psp;
+
+	if (psp->sys_func && psp->sys_func->get_ras_ta_init_param)
+		return psp->sys_func->get_ras_ta_init_param(ras_core, ras_ta_param);
+
+	RAS_DEV_ERR(ras_core->dev, "Not config get_ras_ta_init_param API!!\n");
+	return -EACCES;
+}
+
+static struct gpu_mem_block *ras_psp_get_gpu_mem(struct ras_core_context *ras_core,
+			enum gpu_mem_type mem_type)
+{
+	struct ras_psp *psp = &ras_core->ras_psp;
+	struct gpu_mem_block *gpu_mem = NULL;
+	int ret;
+
+	switch (mem_type) {
+	case GPU_MEM_TYPE_RAS_PSP_RING:
+		gpu_mem = &psp->psp_ring.ras_ring_gpu_mem;
+		break;
+	case GPU_MEM_TYPE_RAS_PSP_CMD:
+		gpu_mem = &psp->psp_ctx.psp_cmd_gpu_mem;
+		break;
+	case GPU_MEM_TYPE_RAS_PSP_FENCE:
+		gpu_mem = &psp->psp_ctx.out_fence_gpu_mem;
+		break;
+	case GPU_MEM_TYPE_RAS_TA_FW:
+		gpu_mem = &psp->ta_ctx.fw_gpu_mem;
+		break;
+	case GPU_MEM_TYPE_RAS_TA_CMD:
+		gpu_mem = &psp->ta_ctx.cmd_gpu_mem;
+		break;
+	default:
+		return NULL;
+	}
+
+	if (!gpu_mem->ref_count) {
+		ret = ras_core_get_gpu_mem(ras_core, mem_type, gpu_mem);
+		if (ret)
+			return NULL;
+		gpu_mem->mem_type = mem_type;
+	}
+
+	gpu_mem->ref_count++;
+
+	return gpu_mem;
+}
+
+static int ras_psp_put_gpu_mem(struct ras_core_context *ras_core,
+			struct gpu_mem_block *gpu_mem)
+{
+	if (!gpu_mem)
+		return 0;
+
+	gpu_mem->ref_count--;
+
+	if (gpu_mem->ref_count > 0) {
+		return 0;
+	} else if (gpu_mem->ref_count < 0) {
+		RAS_DEV_WARN(ras_core->dev,
+			"Duplicate free gpu memory %u\n", gpu_mem->mem_type);
+	} else {
+		ras_core_put_gpu_mem(ras_core, gpu_mem->mem_type, gpu_mem);
+		memset(gpu_mem, 0, sizeof(*gpu_mem));
+	}
+
+	return 0;
+}
+
+static void __acquire_psp_cmd_lock(struct ras_core_context *ras_core)
+{
+	struct ras_psp_ctx *psp_ctx = &ras_core->ras_psp.psp_ctx;
+
+	if (psp_ctx->external_mutex)
+		mutex_lock(psp_ctx->external_mutex);
+	else
+		mutex_lock(&psp_ctx->internal_mutex);
+}
+
+static void __release_psp_cmd_lock(struct ras_core_context *ras_core)
+{
+	struct ras_psp_ctx *psp_ctx = &ras_core->ras_psp.psp_ctx;
+
+	if (psp_ctx->external_mutex)
+		mutex_unlock(psp_ctx->external_mutex);
+	else
+		mutex_unlock(&psp_ctx->internal_mutex);
+}
+
+static uint32_t __get_ring_frame_slot(struct ras_core_context *ras_core)
+{
+	struct ras_psp *psp = &ras_core->ras_psp;
+	uint32_t ras_ring_wptr_dw;
+
+	ras_ring_wptr_dw = psp->ip_func->psp_ras_ring_wptr_get(ras_core);
+
+	return div64_u64((ras_ring_wptr_dw << 2), sizeof(struct psp_gfx_rb_frame));
+}
+
+static int __set_ring_frame_slot(struct ras_core_context *ras_core,
+			uint32_t slot)
+{
+	struct ras_psp *psp = &ras_core->ras_psp;
+
+	return psp->ip_func->psp_ras_ring_wptr_set(ras_core,
+				(slot * sizeof(struct psp_gfx_rb_frame)) >> 2);
+}
+
+static int write_frame_to_ras_psp_ring(struct ras_core_context *ras_core,
+		struct psp_gfx_rb_frame *frame)
+{
+	struct gpu_mem_block *ring_mem;
+	struct psp_gfx_rb_frame *rb_frame;
+	uint32_t max_frame_slot;
+	uint32_t slot_idx;
+	uint32_t write_flush_read_back = 0;
+	int ret = 0;
+
+	ring_mem = ras_psp_get_gpu_mem(ras_core, GPU_MEM_TYPE_RAS_PSP_RING);
+	if (!ring_mem)
+		return -ENOMEM;
+
+	max_frame_slot =
+		div64_u64(ring_mem->mem_size, sizeof(struct psp_gfx_rb_frame));
+
+	rb_frame =
+		(struct psp_gfx_rb_frame *)ring_mem->mem_cpu_addr;
+
+	slot_idx = __get_ring_frame_slot(ras_core);
+	if (slot_idx >= max_frame_slot)
+		slot_idx = 0;
+
+	memcpy(&rb_frame[slot_idx], frame, sizeof(*frame));
+
+	/* Do a read to force the write of the frame before writing
+	 * write pointer.
+	 */
+	write_flush_read_back = rb_frame[slot_idx].fence_value;
+	if (write_flush_read_back != frame->fence_value) {
+		RAS_DEV_ERR(ras_core->dev,
+		"Failed to submit ring cmd! cmd:0x%x:0x%x, fence:0x%x:0x%x value:%u, expected:%u\n",
+			rb_frame[slot_idx].cmd_buf_addr_hi,
+			rb_frame[slot_idx].cmd_buf_addr_lo,
+			rb_frame[slot_idx].fence_addr_hi,
+			rb_frame[slot_idx].fence_addr_lo,
+			write_flush_read_back, frame->fence_value);
+		ret = -EACCES;
+		goto err;
+	}
+
+	slot_idx++;
+
+	if (slot_idx >= max_frame_slot)
+		slot_idx = 0;
+
+	__set_ring_frame_slot(ras_core, slot_idx);
+
+err:
+	ras_psp_put_gpu_mem(ras_core, ring_mem);
+	return ret;
+}
+
+static int send_psp_cmd(struct ras_core_context *ras_core,
+		enum psp_gfx_cmd_id gfx_cmd_id, void *cmd_data,
+		uint32_t cmd_size, struct psp_cmd_resp *resp)
+{
+	struct ras_psp_ctx *psp_ctx = &ras_core->ras_psp.psp_ctx;
+	struct gpu_mem_block *psp_cmd_buf = NULL;
+	struct gpu_mem_block *psp_fence_buf = NULL;
+	struct psp_gfx_cmd_resp *gfx_cmd;
+	struct psp_gfx_rb_frame rb_frame;
+	int ret = 0;
+	int timeout = 1000;
+
+	if (!cmd_data || (cmd_size > sizeof(union psp_gfx_commands)) || !resp) {
+		RAS_DEV_ERR(ras_core->dev, "Invalid RAS PSP command, id: %u\n", gfx_cmd_id);
+		return -EINVAL;
+	}
+
+	__acquire_psp_cmd_lock(ras_core);
+
+	psp_cmd_buf = ras_psp_get_gpu_mem(ras_core, GPU_MEM_TYPE_RAS_PSP_CMD);
+	if (!psp_cmd_buf) {
+		ret = -ENOMEM;
+		goto exit;
+	}
+
+	psp_fence_buf = ras_psp_get_gpu_mem(ras_core, GPU_MEM_TYPE_RAS_PSP_FENCE);
+	if (!psp_fence_buf) {
+		ret = -ENOMEM;
+		goto exit;
+	}
+
+	gfx_cmd = (struct psp_gfx_cmd_resp *)psp_cmd_buf->mem_cpu_addr;
+	memset(gfx_cmd, 0, sizeof(*gfx_cmd));
+	gfx_cmd->cmd_id = gfx_cmd_id;
+	memcpy(&gfx_cmd->cmd, cmd_data, cmd_size);
+
+	psp_ctx->in_fence_value++;
+
+	memset(&rb_frame, 0, sizeof(rb_frame));
+	rb_frame.cmd_buf_addr_hi = upper_32_bits(psp_cmd_buf->mem_mc_addr);
+	rb_frame.cmd_buf_addr_lo = lower_32_bits(psp_cmd_buf->mem_mc_addr);
+	rb_frame.fence_addr_hi = upper_32_bits(psp_fence_buf->mem_mc_addr);
+	rb_frame.fence_addr_lo = lower_32_bits(psp_fence_buf->mem_mc_addr);
+	rb_frame.fence_value = psp_ctx->in_fence_value;
+
+	ret = write_frame_to_ras_psp_ring(ras_core, &rb_frame);
+	if (ret) {
+		psp_ctx->in_fence_value--;
+		goto exit;
+	}
+
+	while (*((uint64_t *)psp_fence_buf->mem_cpu_addr) !=
+		   psp_ctx->in_fence_value) {
+		if (--timeout == 0)
+			break;
+		/*
+		 * Shouldn't wait for timeout when err_event_athub occurs,
+		 * because gpu reset thread triggered and lock resource should
+		 * be released for psp resume sequence.
+		 */
+		if (ras_core_ras_interrupt_detected(ras_core))
+			break;
+
+		msleep(2);
+	}
+
+	resp->status = gfx_cmd->resp.status;
+	resp->session_id = gfx_cmd->resp.session_id;
+
+exit:
+	ras_psp_put_gpu_mem(ras_core, psp_cmd_buf);
+	ras_psp_put_gpu_mem(ras_core, psp_fence_buf);
+
+	__release_psp_cmd_lock(ras_core);
+
+	return ret;
+}
+
+static int __check_ras_ta_cmd_resp(struct ras_core_context *ras_core,
+			struct ras_ta_cmd *ras_cmd)
+{
+	if (ras_cmd->ras_out_message.flags.err_inject_switch_disable_flag) {
+		RAS_DEV_WARN(ras_core->dev, "ECC switch disabled\n");
+		ras_cmd->ras_status = RAS_TA_STATUS__ERROR_RAS_NOT_AVAILABLE;
+	} else if (ras_cmd->ras_out_message.flags.reg_access_failure_flag) {
+		RAS_DEV_WARN(ras_core->dev, "RAS internal register access blocked\n");
+		ras_cmd->ras_status = RAS_TA_STATUS__TEE_ERROR_ACCESS_DENIED;
+	}
+
+	switch (ras_cmd->ras_status) {
+	case RAS_TA_STATUS__SUCCESS:
+		return 0;
+	case RAS_TA_STATUS__ERROR_UNSUPPORTED_IP:
+		RAS_DEV_WARN(ras_core->dev,
+			 "RAS WARNING: cmd failed due to unsupported ip\n");
+		return -EINVAL;
+	case RAS_TA_STATUS__ERROR_UNSUPPORTED_ERROR_INJ:
+		RAS_DEV_WARN(ras_core->dev,
+			 "RAS WARNING: cmd failed due to unsupported error injection\n");
+		return -EINVAL;
+	case RAS_TA_STATUS__TEE_ERROR_ACCESS_DENIED:
+		if (ras_cmd->cmd_id == RAS_TA_CMD_ID__TRIGGER_ERROR)
+			RAS_DEV_WARN(ras_core->dev,
+				 "RAS WARNING: Inject error to critical region is not allowed\n");
+		return -EACCES;
+	default:
+		RAS_DEV_WARN(ras_core->dev,
+			 "RAS WARNING: ras status = 0x%X\n", ras_cmd->ras_status);
+		return -EINVAL;
+	}
+}
+
+static int send_ras_ta_runtime_cmd(struct ras_core_context *ras_core,
+			enum ras_ta_cmd_id cmd_id, void *in, uint32_t in_size,
+			void *out, uint32_t out_size)
+{
+	struct ras_ta_ctx *ta_ctx = &ras_core->ras_psp.ta_ctx;
+	struct gpu_mem_block *cmd_mem;
+	struct ras_ta_cmd *ras_cmd;
+	struct psp_gfx_cmd_invoke_cmd invoke_cmd = {0};
+	struct psp_cmd_resp resp = {0};
+	int ret = 0;
+
+	if (!in || (in_size > sizeof(union ras_ta_cmd_input)) ||
+		(cmd_id >= MAX_RAS_TA_CMD_ID)) {
+		RAS_DEV_ERR(ras_core->dev, "Invalid RAS TA command, id: %u\n", cmd_id);
+		return -EINVAL;
+	}
+
+	ras_psp_sync_system_ras_psp_status(ras_core);
+
+	cmd_mem = ras_psp_get_gpu_mem(ras_core, GPU_MEM_TYPE_RAS_TA_CMD);
+	if (!cmd_mem)
+		return -ENOMEM;
+
+	if (!ras_core_down_trylock_gpu_reset_lock(ras_core)) {
+		ret = -EACCES;
+		goto out;
+	}
+
+	ras_cmd = (struct ras_ta_cmd *)cmd_mem->mem_cpu_addr;
+
+	mutex_lock(&ta_ctx->ta_mutex);
+
+	memset(ras_cmd, 0, sizeof(*ras_cmd));
+	ras_cmd->cmd_id = cmd_id;
+	memcpy(&ras_cmd->ras_in_message, in, in_size);
+
+	invoke_cmd.ta_cmd_id = cmd_id;
+	invoke_cmd.session_id = ta_ctx->session_id;
+
+	ret = send_psp_cmd(ras_core, GFX_CMD_ID_INVOKE_CMD,
+			&invoke_cmd, sizeof(invoke_cmd), &resp);
+
+	/* If err_event_athub occurs error inject was successful, however
+	 *  return status from TA is no long reliable
+	 */
+	if (ras_core_ras_interrupt_detected(ras_core)) {
+		ret = 0;
+		goto unlock;
+	}
+
+	if (ret || resp.status) {
+		RAS_DEV_ERR(ras_core->dev,
+			"RAS: Failed to send psp cmd! ret:%d, status:%u\n",
+			ret, resp.status);
+		ret = -ESTRPIPE;
+		goto unlock;
+	}
+
+	if (ras_cmd->if_version > RAS_TA_HOST_IF_VER) {
+		RAS_DEV_WARN(ras_core->dev, "RAS: Unsupported Interface\n");
+		ret = -EINVAL;
+		goto unlock;
+	}
+
+	if (!ras_cmd->ras_status && out && out_size)
+		memcpy(out, &ras_cmd->ras_out_message, out_size);
+
+	ret = __check_ras_ta_cmd_resp(ras_core, ras_cmd);
+
+unlock:
+	mutex_unlock(&ta_ctx->ta_mutex);
+	ras_core_up_gpu_reset_lock(ras_core);
+out:
+	ras_psp_put_gpu_mem(ras_core, cmd_mem);
+	return ret;
+}
+
+static int trigger_ras_ta_error(struct ras_core_context *ras_core,
+	struct ras_ta_trigger_error_input *info, uint32_t instance_mask)
+{
+	uint32_t dev_mask = 0;
+
+	switch (info->block_id) {
+	case RAS_TA_BLOCK__GFX:
+		if (ras_gfx_get_ta_subblock(ras_core, info->inject_error_type,
+				info->sub_block_index, &info->sub_block_index))
+			return -EINVAL;
+
+		dev_mask = RAS_GET_MASK(ras_core->dev, GC, instance_mask);
+		break;
+	case RAS_TA_BLOCK__SDMA:
+		dev_mask = RAS_GET_MASK(ras_core->dev, SDMA0, instance_mask);
+		break;
+	case RAS_TA_BLOCK__VCN:
+	case RAS_TA_BLOCK__JPEG:
+		dev_mask = RAS_GET_MASK(ras_core->dev, VCN, instance_mask);
+		break;
+	default:
+		dev_mask = instance_mask;
+		break;
+	}
+
+	/* reuse sub_block_index for backward compatibility */
+	dev_mask <<= RAS_TA_INST_SHIFT;
+	dev_mask &= RAS_TA_INST_MASK;
+	info->sub_block_index |= dev_mask;
+
+	return send_ras_ta_runtime_cmd(ras_core, RAS_TA_CMD_ID__TRIGGER_ERROR,
+				info, sizeof(*info), NULL, 0);
+}
+
+static int send_load_ta_fw_cmd(struct ras_core_context *ras_core,
+				struct ras_ta_ctx *ta_ctx)
+{
+	struct ras_ta_fw_bin  *fw_bin = &ta_ctx->fw_bin;
+	struct gpu_mem_block *fw_mem;
+	struct gpu_mem_block *cmd_mem;
+	struct ras_ta_cmd *ta_cmd;
+	struct ras_ta_init_flags *ta_init_flags;
+	struct psp_gfx_cmd_load_ta  psp_load_ta_cmd;
+	struct psp_cmd_resp resp = {0};
+	struct ras_ta_image_header *fw_hdr = NULL;
+	int ret;
+
+	fw_mem = ras_psp_get_gpu_mem(ras_core, GPU_MEM_TYPE_RAS_TA_FW);
+	if (!fw_mem)
+		return -ENOMEM;
+
+	cmd_mem = ras_psp_get_gpu_mem(ras_core, GPU_MEM_TYPE_RAS_TA_CMD);
+	if (!cmd_mem) {
+		ret = -ENOMEM;
+		goto err;
+	}
+
+	ret = ras_psp_get_ras_ta_init_param(ras_core, &ta_ctx->init_param);
+	if (ret)
+		goto err;
+
+	if (!ras_core_down_trylock_gpu_reset_lock(ras_core)) {
+		ret = -EACCES;
+		goto err;
+	}
+
+	/* copy ras ta binary to shared gpu memory */
+	memcpy(fw_mem->mem_cpu_addr, fw_bin->bin_addr, fw_bin->bin_size);
+	fw_mem->mem_size = fw_bin->bin_size;
+
+	/* Initialize ras ta startup parameter */
+	ta_cmd = (struct ras_ta_cmd *)cmd_mem->mem_cpu_addr;
+	ta_init_flags = &ta_cmd->ras_in_message.init_flags;
+
+	ta_init_flags->poison_mode_en = ta_ctx->init_param.poison_mode_en;
+	ta_init_flags->dgpu_mode = ta_ctx->init_param.dgpu_mode;
+	ta_init_flags->xcc_mask = ta_ctx->init_param.xcc_mask;
+	ta_init_flags->channel_dis_num = ta_ctx->init_param.channel_dis_num;
+	ta_init_flags->nps_mode = ta_ctx->init_param.nps_mode;
+	ta_init_flags->active_umc_mask = ta_ctx->init_param.active_umc_mask;
+	ta_init_flags->vram_type = ta_ctx->init_param.vram_type;
+
+	/* Setup load ras ta command */
+	memset(&psp_load_ta_cmd, 0, sizeof(psp_load_ta_cmd));
+	psp_load_ta_cmd.app_phy_addr_lo	= lower_32_bits(fw_mem->mem_mc_addr);
+	psp_load_ta_cmd.app_phy_addr_hi	= upper_32_bits(fw_mem->mem_mc_addr);
+	psp_load_ta_cmd.app_len		= fw_mem->mem_size;
+	psp_load_ta_cmd.cmd_buf_phy_addr_lo = lower_32_bits(cmd_mem->mem_mc_addr);
+	psp_load_ta_cmd.cmd_buf_phy_addr_hi = upper_32_bits(cmd_mem->mem_mc_addr);
+	psp_load_ta_cmd.cmd_buf_len = cmd_mem->mem_size;
+
+	ret = send_psp_cmd(ras_core, GFX_CMD_ID_LOAD_TA,
+			&psp_load_ta_cmd, sizeof(psp_load_ta_cmd), &resp);
+	if (!ret && !resp.status) {
+		/* Read TA version at FW offset 0x60 if TA version not found*/
+		fw_hdr = (struct ras_ta_image_header *)fw_bin->bin_addr;
+		RAS_DEV_INFO(ras_core->dev, "PSP: RAS TA(version:%X.%X.%X.%X) is loaded.\n",
+			(fw_hdr->image_version >> 24) & 0xFF, (fw_hdr->image_version >> 16) & 0xFF,
+			(fw_hdr->image_version >> 8) & 0xFF, fw_hdr->image_version & 0xFF);
+		ta_ctx->ta_version = fw_hdr->image_version;
+		ta_ctx->session_id = resp.session_id;
+		ta_ctx->ras_ta_initialized = true;
+	} else {
+		RAS_DEV_ERR(ras_core->dev,
+			"Failed to load RAS TA! ret:%d, status:%d\n", ret, resp.status);
+	}
+
+	ras_core_up_gpu_reset_lock(ras_core);
+
+err:
+	ras_psp_put_gpu_mem(ras_core, fw_mem);
+	ras_psp_put_gpu_mem(ras_core, cmd_mem);
+	return ret;
+}
+
+static int load_ras_ta_firmware(struct ras_core_context *ras_core,
+		struct ras_psp_ta_load *ras_ta_load)
+{
+	struct ras_ta_ctx *ta_ctx = &ras_core->ras_psp.ta_ctx;
+	struct ras_ta_fw_bin  *fw_bin = &ta_ctx->fw_bin;
+	int ret;
+
+	fw_bin->bin_addr = ras_ta_load->bin_addr;
+	fw_bin->bin_size = ras_ta_load->bin_size;
+	fw_bin->fw_version = ras_ta_load->fw_version;
+	fw_bin->feature_version = ras_ta_load->feature_version;
+
+	ret = send_load_ta_fw_cmd(ras_core, ta_ctx);
+	if (!ret) {
+		ras_ta_load->out_session_id = ta_ctx->session_id;
+		ras_ta_load->out_loaded_ta_version = ta_ctx->ta_version;
+	}
+
+	return ret;
+}
+
+static int unload_ras_ta_firmware(struct ras_core_context *ras_core,
+		struct ras_psp_ta_unload *ras_ta_unload)
+{
+	struct ras_ta_ctx *ta_ctx = &ras_core->ras_psp.ta_ctx;
+	struct psp_gfx_cmd_unload_ta  cmd_unload_ta = {0};
+	struct psp_cmd_resp resp = {0};
+	int ret;
+
+	if (!ras_core_down_trylock_gpu_reset_lock(ras_core))
+		return -EACCES;
+
+	cmd_unload_ta.session_id = ta_ctx->session_id;
+	ret = send_psp_cmd(ras_core, GFX_CMD_ID_UNLOAD_TA,
+		&cmd_unload_ta, sizeof(cmd_unload_ta), &resp);
+	if (ret || resp.status) {
+		RAS_DEV_ERR(ras_core->dev,
+			"Failed to unload RAS TA! ret:%d, status:%u\n",
+			ret, resp.status);
+		goto unlock;
+	}
+
+	kfree(ta_ctx->fw_bin.bin_addr);
+	memset(&ta_ctx->fw_bin, 0, sizeof(ta_ctx->fw_bin));
+	ta_ctx->ta_version = 0;
+	ta_ctx->ras_ta_initialized = false;
+	ta_ctx->session_id = 0;
+
+unlock:
+	ras_core_up_gpu_reset_lock(ras_core);
+
+	return ret;
+}
+
+int ras_psp_load_firmware(struct ras_core_context *ras_core,
+	struct ras_psp_ta_load *ras_ta_load)
+{
+	struct ras_ta_ctx *ta_ctx = &ras_core->ras_psp.ta_ctx;
+	struct ras_psp_ta_unload ras_ta_unload = {0};
+	int ret;
+
+	if (ta_ctx->preload_ras_ta_enabled)
+		return 0;
+
+	if (!ras_ta_load)
+		return -EINVAL;
+
+	if (ta_ctx->ras_ta_initialized) {
+		ras_ta_unload.ras_session_id = ta_ctx->session_id;
+		ret = unload_ras_ta_firmware(ras_core, &ras_ta_unload);
+		if (ret)
+			return ret;
+	}
+
+	return load_ras_ta_firmware(ras_core, ras_ta_load);
+}
+
+int ras_psp_unload_firmware(struct ras_core_context *ras_core,
+	struct ras_psp_ta_unload *ras_ta_unload)
+{
+	struct ras_ta_ctx *ta_ctx = &ras_core->ras_psp.ta_ctx;
+
+	if (ta_ctx->preload_ras_ta_enabled)
+		return 0;
+
+	if ((!ras_ta_unload) ||
+	    (ras_ta_unload->ras_session_id != ta_ctx->session_id))
+		return -EINVAL;
+
+	return unload_ras_ta_firmware(ras_core, ras_ta_unload);
+}
+
+int ras_psp_trigger_error(struct ras_core_context *ras_core,
+	struct ras_ta_trigger_error_input *info, uint32_t instance_mask)
+{
+	struct ras_ta_ctx *ta_ctx = &ras_core->ras_psp.ta_ctx;
+
+	if (!ta_ctx->preload_ras_ta_enabled && !ta_ctx->ras_ta_initialized) {
+		RAS_DEV_ERR(ras_core->dev, "RAS: ras firmware not initialized!");
+		return -ENOEXEC;
+	}
+
+	if (!info)
+		return -EINVAL;
+
+	return trigger_ras_ta_error(ras_core, info, instance_mask);
+}
+
+int ras_psp_query_address(struct ras_core_context *ras_core,
+		struct ras_ta_query_address_input *addr_in,
+		struct ras_ta_query_address_output *addr_out)
+{
+	struct ras_ta_ctx *ta_ctx = &ras_core->ras_psp.ta_ctx;
+
+	if (!ta_ctx->preload_ras_ta_enabled &&
+	    !ta_ctx->ras_ta_initialized) {
+		RAS_DEV_ERR(ras_core->dev, "RAS: ras firmware not initialized!");
+		return -ENOEXEC;
+	}
+
+	if (!addr_in || !addr_out)
+		return -EINVAL;
+
+	return send_ras_ta_runtime_cmd(ras_core, RAS_TA_CMD_ID__QUERY_ADDRESS,
+		addr_in, sizeof(*addr_in), addr_out, sizeof(*addr_out));
+}
+
+int ras_psp_sw_init(struct ras_core_context *ras_core)
+{
+	struct ras_psp *psp = &ras_core->ras_psp;
+
+	memset(psp, 0, sizeof(*psp));
+
+	psp->sys_func = ras_core->config->psp_cfg.psp_sys_fn;
+	if (!psp->sys_func) {
+		RAS_DEV_ERR(ras_core->dev, "RAS psp sys function not configured!\n");
+		return -EINVAL;
+	}
+
+	mutex_init(&psp->psp_ctx.internal_mutex);
+	mutex_init(&psp->ta_ctx.ta_mutex);
+
+	return 0;
+}
+
+int ras_psp_sw_fini(struct ras_core_context *ras_core)
+{
+	struct ras_psp *psp = &ras_core->ras_psp;
+
+	mutex_destroy(&psp->psp_ctx.internal_mutex);
+	mutex_destroy(&psp->ta_ctx.ta_mutex);
+
+	memset(psp, 0, sizeof(*psp));
+
+	return 0;
+}
+
+int ras_psp_hw_init(struct ras_core_context *ras_core)
+{
+	struct ras_psp *psp = &ras_core->ras_psp;
+
+	psp->psp_ip_version = ras_core->config->psp_ip_version;
+
+	psp->ip_func = ras_psp_get_ip_funcs(ras_core, psp->psp_ip_version);
+	if (!psp->ip_func)
+		return -EINVAL;
+
+	/* After GPU reset, the system RAS PSP status may change.
+	 * therefore, it is necessary to synchronize the system status again.
+	 */
+	ras_psp_sync_system_ras_psp_status(ras_core);
+
+	return 0;
+}
+
+int ras_psp_hw_fini(struct ras_core_context *ras_core)
+{
+	return 0;
+}
+
+bool ras_psp_check_supported_cmd(struct ras_core_context *ras_core,
+		enum ras_ta_cmd_id cmd_id)
+{
+	struct ras_ta_ctx *ta_ctx = &ras_core->ras_psp.ta_ctx;
+	bool ret = false;
+
+	if (!ta_ctx->preload_ras_ta_enabled && !ta_ctx->ras_ta_initialized)
+		return false;
+
+	switch (cmd_id) {
+	case RAS_TA_CMD_ID__QUERY_ADDRESS:
+		/* Currently, querying the address from RAS TA is only supported
+		 * when the RAS TA firmware is loaded during driver installation.
+		 */
+		if (ta_ctx->preload_ras_ta_enabled)
+			ret = true;
+		break;
+	case RAS_TA_CMD_ID__TRIGGER_ERROR:
+		ret = true;
+		break;
+	default:
+		ret = false;
+		break;
+	}
+
+	return ret;
+}

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_psp.h

@@ -0,0 +1,146 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#ifndef __RAS_PSP_H__
+#define __RAS_PSP_H__
+#include "ras.h"
+#include "ras_ta_if.h"
+
+struct ras_core_context;
+struct ras_ta_trigger_error_input;
+struct ras_ta_query_address_input;
+struct ras_ta_query_address_output;
+enum ras_ta_cmd_id;
+
+struct ras_ta_image_header {
+	uint32_t reserved1[24];
+	uint32_t image_version; /* [0x60] Off Chip Firmware Version */
+	uint32_t reserved2[39];
+};
+
+struct ras_psp_sys_status {
+	bool  initialized;
+	uint32_t session_id;
+	void *psp_cmd_mutex;
+};
+
+struct ras_ta_init_param {
+	uint8_t poison_mode_en;
+	uint8_t dgpu_mode;
+	uint16_t xcc_mask;
+	uint8_t channel_dis_num;
+	uint8_t nps_mode;
+	uint32_t active_umc_mask;
+	uint8_t vram_type;
+};
+
+struct gpu_mem_block {
+	uint32_t mem_type;
+	void *mem_bo;
+	uint64_t mem_mc_addr;
+	void *mem_cpu_addr;
+	uint32_t mem_size;
+	int ref_count;
+	void *private;
+};
+
+struct ras_psp_ip_func {
+	uint32_t (*psp_ras_ring_wptr_get)(struct ras_core_context *ras_core);
+	int (*psp_ras_ring_wptr_set)(struct ras_core_context *ras_core, uint32_t wptr);
+};
+
+struct ras_psp_ring {
+	struct gpu_mem_block ras_ring_gpu_mem;
+};
+
+struct psp_cmd_resp {
+	uint32_t status;
+	uint32_t session_id;
+};
+
+struct ras_psp_ctx {
+	void *external_mutex;
+	struct mutex internal_mutex;
+	uint64_t in_fence_value;
+	struct gpu_mem_block psp_cmd_gpu_mem;
+	struct gpu_mem_block out_fence_gpu_mem;
+};
+
+struct ras_ta_fw_bin {
+	uint32_t fw_version;
+	uint32_t feature_version;
+	uint32_t bin_size;
+	uint8_t *bin_addr;
+};
+
+struct ras_ta_ctx {
+	bool  preload_ras_ta_enabled;
+	bool  ras_ta_initialized;
+	uint32_t  session_id;
+	uint32_t  resp_status;
+	uint32_t  ta_version;
+	struct mutex ta_mutex;
+	struct ras_ta_fw_bin fw_bin;
+	struct ras_ta_init_param init_param;
+	struct gpu_mem_block fw_gpu_mem;
+	struct gpu_mem_block cmd_gpu_mem;
+};
+
+struct ras_psp {
+	uint32_t psp_ip_version;
+	struct ras_psp_ring psp_ring;
+	struct ras_psp_ctx  psp_ctx;
+	struct ras_ta_ctx   ta_ctx;
+	const struct ras_psp_ip_func *ip_func;
+	const struct ras_psp_sys_func *sys_func;
+};
+
+struct ras_psp_ta_load {
+	uint32_t fw_version;
+	uint32_t feature_version;
+	uint32_t bin_size;
+	uint8_t *bin_addr;
+	uint64_t out_session_id;
+	uint32_t out_loaded_ta_version;
+};
+
+struct ras_psp_ta_unload {
+	uint64_t ras_session_id;
+};
+
+int ras_psp_sw_init(struct ras_core_context *ras_core);
+int ras_psp_sw_fini(struct ras_core_context *ras_core);
+int ras_psp_hw_init(struct ras_core_context *ras_core);
+int ras_psp_hw_fini(struct ras_core_context *ras_core);
+int ras_psp_load_firmware(struct ras_core_context *ras_core,
+		struct ras_psp_ta_load *ras_ta_load);
+int ras_psp_unload_firmware(struct ras_core_context *ras_core,
+		struct ras_psp_ta_unload *ras_ta_unload);
+int ras_psp_trigger_error(struct ras_core_context *ras_core,
+	struct ras_ta_trigger_error_input *info, uint32_t instance_mask);
+int ras_psp_query_address(struct ras_core_context *ras_core,
+		struct ras_ta_query_address_input *addr_in,
+		struct ras_ta_query_address_output *addr_out);
+bool ras_psp_check_supported_cmd(struct ras_core_context *ras_core,
+		enum ras_ta_cmd_id cmd_id);
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_psp_v13_0.c

@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include "ras.h"
+#include "ras_psp_v13_0.h"
+
+#define regMP0_SMN_C2PMSG_67                           0x0083
+#define regMP0_SMN_C2PMSG_67_BASE_IDX                  0
+
+static uint32_t ras_psp_v13_0_ring_wptr_get(struct ras_core_context *ras_core)
+{
+	return RAS_DEV_RREG32_SOC15(ras_core->dev, MP0, 0, regMP0_SMN_C2PMSG_67);
+}
+
+static int ras_psp_v13_0_ring_wptr_set(struct ras_core_context *ras_core, uint32_t value)
+{
+	RAS_DEV_WREG32_SOC15(ras_core->dev, MP0, 0, regMP0_SMN_C2PMSG_67, value);
+
+	return 0;
+}
+
+const struct ras_psp_ip_func ras_psp_v13_0 = {
+	.psp_ras_ring_wptr_get = ras_psp_v13_0_ring_wptr_get,
+	.psp_ras_ring_wptr_set = ras_psp_v13_0_ring_wptr_set,
+};

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_psp_v13_0.h

@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __RAS_PSP_V13_0_H__
+#define __RAS_PSP_V13_0_H__
+#include "ras_psp.h"
+
+extern const struct ras_psp_ip_func ras_psp_v13_0;
+
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_ta_if.h

@@ -0,0 +1,232 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef _RAS_TA_IF_H
+#define _RAS_TA_IF_H
+#include "ras.h"
+
+#define RAS_TA_HOST_IF_VER	0
+
+/* Responses have bit 31 set */
+#define RSP_ID_MASK (1U << 31)
+#define RSP_ID(cmdId) (((uint32_t)(cmdId)) | RSP_ID_MASK)
+
+/* invalid node instance value */
+#define RAS_TA_INV_NODE 0xffff
+
+/* RAS related enumerations */
+/**********************************************************/
+enum ras_ta_cmd_id {
+	RAS_TA_CMD_ID__ENABLE_FEATURES = 0,
+	RAS_TA_CMD_ID__DISABLE_FEATURES,
+	RAS_TA_CMD_ID__TRIGGER_ERROR,
+	RAS_TA_CMD_ID__QUERY_BLOCK_INFO,
+	RAS_TA_CMD_ID__QUERY_SUB_BLOCK_INFO,
+	RAS_TA_CMD_ID__QUERY_ADDRESS,
+	MAX_RAS_TA_CMD_ID
+};
+
+enum ras_ta_status {
+	RAS_TA_STATUS__SUCCESS                          = 0x0000,
+	RAS_TA_STATUS__RESET_NEEDED                     = 0xA001,
+	RAS_TA_STATUS__ERROR_INVALID_PARAMETER          = 0xA002,
+	RAS_TA_STATUS__ERROR_RAS_NOT_AVAILABLE          = 0xA003,
+	RAS_TA_STATUS__ERROR_RAS_DUPLICATE_CMD          = 0xA004,
+	RAS_TA_STATUS__ERROR_INJECTION_FAILED           = 0xA005,
+	RAS_TA_STATUS__ERROR_ASD_READ_WRITE             = 0xA006,
+	RAS_TA_STATUS__ERROR_TOGGLE_DF_CSTATE           = 0xA007,
+	RAS_TA_STATUS__ERROR_TIMEOUT                    = 0xA008,
+	RAS_TA_STATUS__ERROR_BLOCK_DISABLED             = 0XA009,
+	RAS_TA_STATUS__ERROR_GENERIC                    = 0xA00A,
+	RAS_TA_STATUS__ERROR_RAS_MMHUB_INIT             = 0xA00B,
+	RAS_TA_STATUS__ERROR_GET_DEV_INFO               = 0xA00C,
+	RAS_TA_STATUS__ERROR_UNSUPPORTED_DEV            = 0xA00D,
+	RAS_TA_STATUS__ERROR_NOT_INITIALIZED            = 0xA00E,
+	RAS_TA_STATUS__ERROR_TEE_INTERNAL               = 0xA00F,
+	RAS_TA_STATUS__ERROR_UNSUPPORTED_FUNCTION       = 0xA010,
+	RAS_TA_STATUS__ERROR_SYS_DRV_REG_ACCESS         = 0xA011,
+	RAS_TA_STATUS__ERROR_RAS_READ_WRITE             = 0xA012,
+	RAS_TA_STATUS__ERROR_NULL_PTR                   = 0xA013,
+	RAS_TA_STATUS__ERROR_UNSUPPORTED_IP             = 0xA014,
+	RAS_TA_STATUS__ERROR_PCS_STATE_QUIET            = 0xA015,
+	RAS_TA_STATUS__ERROR_PCS_STATE_ERROR            = 0xA016,
+	RAS_TA_STATUS__ERROR_PCS_STATE_HANG             = 0xA017,
+	RAS_TA_STATUS__ERROR_PCS_STATE_UNKNOWN          = 0xA018,
+	RAS_TA_STATUS__ERROR_UNSUPPORTED_ERROR_INJ      = 0xA019,
+	RAS_TA_STATUS__TEE_ERROR_ACCESS_DENIED          = 0xA01A
+};
+
+enum ras_ta_block {
+	RAS_TA_BLOCK__UMC = 0,
+	RAS_TA_BLOCK__SDMA,
+	RAS_TA_BLOCK__GFX,
+	RAS_TA_BLOCK__MMHUB,
+	RAS_TA_BLOCK__ATHUB,
+	RAS_TA_BLOCK__PCIE_BIF,
+	RAS_TA_BLOCK__HDP,
+	RAS_TA_BLOCK__XGMI_WAFL,
+	RAS_TA_BLOCK__DF,
+	RAS_TA_BLOCK__SMN,
+	RAS_TA_BLOCK__SEM,
+	RAS_TA_BLOCK__MP0,
+	RAS_TA_BLOCK__MP1,
+	RAS_TA_BLOCK__FUSE,
+	RAS_TA_BLOCK__MCA,
+	RAS_TA_BLOCK__VCN,
+	RAS_TA_BLOCK__JPEG,
+	RAS_TA_BLOCK__IH,
+	RAS_TA_BLOCK__MPIO,
+	RAS_TA_BLOCK__MMSCH,
+	RAS_TA_NUM_BLOCK_MAX
+};
+
+enum ras_ta_mca_block {
+	RAS_TA_MCA_BLOCK__MP0   = 0,
+	RAS_TA_MCA_BLOCK__MP1   = 1,
+	RAS_TA_MCA_BLOCK__MPIO  = 2,
+	RAS_TA_MCA_BLOCK__IOHC  = 3,
+	RAS_TA_MCA_NUM_BLOCK_MAX
+};
+
+enum ras_ta_error_type {
+	RAS_TA_ERROR__NONE			= 0,
+	RAS_TA_ERROR__PARITY			= 1,
+	RAS_TA_ERROR__SINGLE_CORRECTABLE	= 2,
+	RAS_TA_ERROR__MULTI_UNCORRECTABLE	= 4,
+	RAS_TA_ERROR__POISON			= 8,
+};
+
+enum ras_ta_address_type {
+	RAS_TA_MCA_TO_PA,
+	RAS_TA_PA_TO_MCA,
+};
+
+enum ras_ta_nps_mode {
+	RAS_TA_UNKNOWN_MODE = 0,
+	RAS_TA_NPS1_MODE = 1,
+	RAS_TA_NPS2_MODE = 2,
+	RAS_TA_NPS4_MODE = 4,
+	RAS_TA_NPS8_MODE = 8,
+};
+
+/* Input/output structures for RAS commands */
+/**********************************************************/
+
+struct ras_ta_enable_features_input {
+	enum ras_ta_block	block_id;
+	enum ras_ta_error_type	error_type;
+};
+
+struct ras_ta_disable_features_input {
+	enum ras_ta_block	block_id;
+	enum ras_ta_error_type	error_type;
+};
+
+struct ras_ta_trigger_error_input {
+	/* ras-block. i.e. umc, gfx */
+	enum ras_ta_block block_id;
+
+	/* type of error. i.e. single_correctable */
+	enum ras_ta_error_type inject_error_type;
+
+	/* mem block. i.e. hbm, sram etc. */
+	uint32_t sub_block_index;
+
+	/* explicit address of error */
+	uint64_t address;
+
+	/* method if error injection. i.e persistent, coherent etc. */
+	uint64_t value;
+};
+
+struct ras_ta_init_flags {
+	uint8_t poison_mode_en;
+	uint8_t dgpu_mode;
+	uint16_t xcc_mask;
+	uint8_t channel_dis_num;
+	uint8_t nps_mode;
+	uint32_t active_umc_mask;
+	uint8_t vram_type;
+};
+
+struct ras_ta_mca_addr {
+	uint64_t err_addr;
+	uint32_t ch_inst;
+	uint32_t umc_inst;
+	uint32_t node_inst;
+	uint32_t socket_id;
+};
+
+struct ras_ta_phy_addr {
+	uint64_t pa;
+	uint32_t bank;
+	uint32_t channel_idx;
+};
+
+struct ras_ta_query_address_input {
+	enum ras_ta_address_type addr_type;
+	struct ras_ta_mca_addr ma;
+	struct ras_ta_phy_addr pa;
+};
+
+struct ras_ta_output_flags {
+	uint8_t ras_init_success_flag;
+	uint8_t err_inject_switch_disable_flag;
+	uint8_t reg_access_failure_flag;
+};
+
+struct ras_ta_query_address_output {
+	/* don't use the flags here */
+	struct ras_ta_output_flags flags;
+	struct ras_ta_mca_addr ma;
+	struct ras_ta_phy_addr pa;
+};
+
+/* Common input structure for RAS callbacks */
+/**********************************************************/
+union ras_ta_cmd_input {
+	struct ras_ta_init_flags		init_flags;
+	struct ras_ta_enable_features_input	enable_features;
+	struct ras_ta_disable_features_input	disable_features;
+	struct ras_ta_trigger_error_input	trigger_error;
+	struct ras_ta_query_address_input	address;
+	uint32_t reserve_pad[256];
+};
+
+union ras_ta_cmd_output {
+	struct ras_ta_output_flags flags;
+	struct ras_ta_query_address_output address;
+	uint32_t reserve_pad[256];
+};
+
+struct ras_ta_cmd {
+	uint32_t  cmd_id;
+	uint32_t  resp_id;
+	uint32_t  ras_status;
+	uint32_t  if_version;
+	union ras_ta_cmd_input  ras_in_message;
+	union ras_ta_cmd_output ras_out_message;
+};
+
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_umc.c

@@ -0,0 +1,782 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "ras.h"
+#include "ras_umc.h"
+#include "ras_umc_v12_0.h"
+
+#define MAX_ECC_NUM_PER_RETIREMENT  16
+
+/* bad page timestamp format
+ * yy[31:27] mm[26:23] day[22:17] hh[16:12] mm[11:6] ss[5:0]
+ */
+#define EEPROM_TIMESTAMP_MINUTE  6
+#define EEPROM_TIMESTAMP_HOUR    12
+#define EEPROM_TIMESTAMP_DAY     17
+#define EEPROM_TIMESTAMP_MONTH   23
+#define EEPROM_TIMESTAMP_YEAR    27
+
+static uint64_t ras_umc_get_eeprom_timestamp(struct ras_core_context *ras_core)
+{
+	struct ras_time tm = {0};
+	uint64_t utc_timestamp = 0;
+	uint64_t eeprom_timestamp = 0;
+
+	utc_timestamp = ras_core_get_utc_second_timestamp(ras_core);
+	if (!utc_timestamp)
+		return utc_timestamp;
+
+	ras_core_convert_timestamp_to_time(ras_core, utc_timestamp, &tm);
+
+	/* the year range is 2000 ~ 2031, set the year if not in the range */
+	if (tm.tm_year < 2000)
+		tm.tm_year = 2000;
+	if (tm.tm_year > 2031)
+		tm.tm_year = 2031;
+
+	tm.tm_year -= 2000;
+
+	eeprom_timestamp = tm.tm_sec + (tm.tm_min << EEPROM_TIMESTAMP_MINUTE)
+				+ (tm.tm_hour << EEPROM_TIMESTAMP_HOUR)
+				+ (tm.tm_mday << EEPROM_TIMESTAMP_DAY)
+				+ (tm.tm_mon << EEPROM_TIMESTAMP_MONTH)
+				+ (tm.tm_year << EEPROM_TIMESTAMP_YEAR);
+	eeprom_timestamp &= 0xffffffff;
+
+	return eeprom_timestamp;
+}
+
+static const struct ras_umc_ip_func *ras_umc_get_ip_func(
+				struct ras_core_context *ras_core, uint32_t ip_version)
+{
+	switch (ip_version) {
+	case IP_VERSION(12, 0, 0):
+	case IP_VERSION(12, 5, 0):
+		return &ras_umc_func_v12_0;
+	default:
+		RAS_DEV_ERR(ras_core->dev,
+			"UMC ip version(0x%x) is not supported!\n", ip_version);
+		break;
+	}
+
+	return NULL;
+}
+
+int ras_umc_psp_convert_ma_to_pa(struct ras_core_context *ras_core,
+		struct umc_mca_addr *in, struct umc_phy_addr *out,
+		uint32_t nps)
+{
+	struct ras_ta_query_address_input addr_in;
+	struct ras_ta_query_address_output addr_out;
+	int ret;
+
+	if (!in)
+		return -EINVAL;
+
+	memset(&addr_in, 0, sizeof(addr_in));
+	memset(&addr_out, 0, sizeof(addr_out));
+
+	addr_in.ma.err_addr = in->err_addr;
+	addr_in.ma.ch_inst = in->ch_inst;
+	addr_in.ma.umc_inst = in->umc_inst;
+	addr_in.ma.node_inst = in->node_inst;
+	addr_in.ma.socket_id = in->socket_id;
+
+	addr_in.addr_type = RAS_TA_MCA_TO_PA;
+
+	ret = ras_psp_query_address(ras_core, &addr_in, &addr_out);
+	if (ret) {
+		RAS_DEV_WARN(ras_core->dev,
+			"Failed to query RAS physical address for 0x%llx, ret:%d",
+			in->err_addr, ret);
+		return -EREMOTEIO;
+	}
+
+	if (out) {
+		out->pa = addr_out.pa.pa;
+		out->bank = addr_out.pa.bank;
+		out->channel_idx = addr_out.pa.channel_idx;
+	}
+
+	return 0;
+}
+
+static int ras_umc_log_ecc(struct ras_core_context *ras_core,
+		unsigned long idx, void *data)
+{
+	struct ras_umc *ras_umc = &ras_core->ras_umc;
+	int ret;
+
+	mutex_lock(&ras_umc->tree_lock);
+	ret = radix_tree_insert(&ras_umc->root, idx, data);
+	if (!ret)
+		radix_tree_tag_set(&ras_umc->root, idx, UMC_ECC_NEW_DETECTED_TAG);
+	mutex_unlock(&ras_umc->tree_lock);
+
+	return ret;
+}
+
+int ras_umc_clear_logged_ecc(struct ras_core_context *ras_core)
+{
+	struct ras_umc *ras_umc = &ras_core->ras_umc;
+	uint64_t buf[8] = {0};
+	void  **slot;
+	void *data;
+	void *iter = buf;
+
+	mutex_lock(&ras_umc->tree_lock);
+	radix_tree_for_each_slot(slot, &ras_umc->root, iter, 0) {
+		data = ras_radix_tree_delete_iter(&ras_umc->root, iter);
+		kfree(data);
+	}
+	mutex_unlock(&ras_umc->tree_lock);
+
+	return 0;
+}
+
+int ras_umc_convert_record_to_nps_pages(struct ras_core_context *ras_core,
+		struct eeprom_umc_record *record, uint32_t nps,
+		uint64_t *page_pfn, uint32_t max_pages)
+{
+	int count = 0;
+	struct ras_umc *ras_umc = &ras_core->ras_umc;
+
+	if (!page_pfn || !max_pages)
+		return -EINVAL;
+
+	if (ras_umc->ip_func && ras_umc->ip_func->eeprom_record_to_nps_pages)
+		count = ras_umc->ip_func->eeprom_record_to_nps_pages(ras_core,
+					record, nps, page_pfn, max_pages);
+
+	return count;
+}
+
+static void ras_umc_reserve_eeprom_record(struct ras_core_context *ras_core,
+				struct eeprom_umc_record *record)
+{
+	uint64_t page_pfn[16];
+	int count = 0, i;
+
+	memset(page_pfn, 0, sizeof(page_pfn));
+	count = ras_umc_convert_record_to_nps_pages(ras_core,
+					record, record->cur_nps, page_pfn, ARRAY_SIZE(page_pfn));
+	if (count <= 0) {
+		RAS_DEV_ERR(ras_core->dev,
+			"Fail to convert error address! count:%d\n", count);
+		return;
+	}
+
+	/* Reserve memory */
+	for (i = 0; i < count; i++)
+		ras_core_event_notify(ras_core,
+			RAS_EVENT_ID__RESERVE_BAD_PAGE, &page_pfn[i]);
+}
+
+/* When gpu reset is ongoing, ecc logging operations will be pended.
+ *
+ * The pending list is bounded by RAS_UMC_PENDING_ECC_MAX so that an ECC
+ * storm or repeated UMC error injection cannot make this list (and the
+ * kernel allocations behind it) grow without bound. Once the limit is
+ * reached, additional events are dropped and counted in
+ * pending_ecc_dropped, with a rate-limited warning emitted.
+ */
+int ras_umc_log_bad_bank_pending(struct ras_core_context *ras_core, struct ras_bank_ecc *bank)
+{
+	struct ras_umc *ras_umc = &ras_core->ras_umc;
+	struct ras_bank_ecc_node *ecc_node;
+
+	mutex_lock(&ras_umc->pending_ecc_lock);
+	if (ras_umc->pending_ecc_count >= RAS_UMC_PENDING_ECC_MAX) {
+		ras_umc->pending_ecc_dropped++;
+		mutex_unlock(&ras_umc->pending_ecc_lock);
+		RAS_DEV_WARN_RATELIMITED(ras_core->dev,
+			"pending ECC list full (%u), dropping bad bank event (total dropped:%u)\n",
+			RAS_UMC_PENDING_ECC_MAX, ras_umc->pending_ecc_dropped);
+		return -ENOSPC;
+	}
+	mutex_unlock(&ras_umc->pending_ecc_lock);
+
+	ecc_node = kzalloc_obj(*ecc_node);
+	if (!ecc_node)
+		return -ENOMEM;
+
+	memcpy(&ecc_node->ecc, bank, sizeof(ecc_node->ecc));
+
+	mutex_lock(&ras_umc->pending_ecc_lock);
+	/* re-check under the lock to honor the cap across concurrent callers */
+	if (ras_umc->pending_ecc_count >= RAS_UMC_PENDING_ECC_MAX) {
+		ras_umc->pending_ecc_dropped++;
+		mutex_unlock(&ras_umc->pending_ecc_lock);
+		kfree(ecc_node);
+		return -ENOSPC;
+	}
+	list_add_tail(&ecc_node->node, &ras_umc->pending_ecc_list);
+	ras_umc->pending_ecc_count++;
+	mutex_unlock(&ras_umc->pending_ecc_lock);
+
+	return 0;
+}
+
+/* After gpu reset is complete, re-log the pending error banks.
+ */
+int ras_umc_log_pending_bad_bank(struct ras_core_context *ras_core)
+{
+	struct ras_umc *ras_umc = &ras_core->ras_umc;
+	struct ras_bank_ecc_node *ecc_node, *tmp;
+
+	mutex_lock(&ras_umc->pending_ecc_lock);
+	list_for_each_entry_safe(ecc_node,
+		tmp, &ras_umc->pending_ecc_list, node){
+		if (!ras_umc_log_bad_bank(ras_core, &ecc_node->ecc)) {
+			list_del(&ecc_node->node);
+			kfree(ecc_node);
+			if (ras_umc->pending_ecc_count)
+				ras_umc->pending_ecc_count--;
+		}
+	}
+	if (ras_umc->pending_ecc_dropped) {
+		RAS_DEV_WARN(ras_core->dev,
+			"%u pending ECC bad-bank events were dropped during GPU reset\n",
+			ras_umc->pending_ecc_dropped);
+		ras_umc->pending_ecc_dropped = 0;
+	}
+	mutex_unlock(&ras_umc->pending_ecc_lock);
+
+	return 0;
+}
+
+int ras_umc_log_bad_bank(struct ras_core_context *ras_core, struct ras_bank_ecc *bank)
+{
+	struct ras_umc *ras_umc = &ras_core->ras_umc;
+	struct eeprom_umc_record umc_rec;
+	struct eeprom_umc_record *err_rec;
+	int ret;
+
+	memset(&umc_rec, 0, sizeof(umc_rec));
+
+	mutex_lock(&ras_umc->bank_log_lock);
+	ret = ras_umc->ip_func->bank_to_eeprom_record(ras_core, bank, &umc_rec);
+	if (ret)
+		goto out;
+
+	err_rec = kzalloc_obj(*err_rec);
+	if (!err_rec) {
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	memcpy(err_rec, &umc_rec, sizeof(umc_rec));
+	ret = ras_umc_log_ecc(ras_core, err_rec->cur_nps_retired_row_pfn, err_rec);
+	if (ret) {
+		if (ret == -EEXIST) {
+			RAS_DEV_INFO(ras_core->dev, "The bad pages have been logged before.\n");
+			ret = 0;
+		}
+
+		kfree(err_rec);
+		goto out;
+	}
+
+	ras_umc_reserve_eeprom_record(ras_core, err_rec);
+
+	ret = ras_core_event_notify(ras_core,
+			RAS_EVENT_ID__BAD_PAGE_DETECTED, NULL);
+
+out:
+	mutex_unlock(&ras_umc->bank_log_lock);
+	return ret;
+}
+
+static int ras_umc_get_new_records(struct ras_core_context *ras_core,
+			struct eeprom_umc_record *records, u32 num)
+{
+	struct ras_umc *ras_umc = &ras_core->ras_umc;
+	struct eeprom_umc_record *entries[MAX_ECC_NUM_PER_RETIREMENT];
+	u32 entry_num = num < MAX_ECC_NUM_PER_RETIREMENT ? num : MAX_ECC_NUM_PER_RETIREMENT;
+	int count = 0;
+	int new_detected, i;
+
+	mutex_lock(&ras_umc->tree_lock);
+	new_detected = radix_tree_gang_lookup_tag(&ras_umc->root, (void **)entries,
+			0, entry_num, UMC_ECC_NEW_DETECTED_TAG);
+	for (i = 0; i < new_detected; i++) {
+		if (!entries[i])
+			continue;
+
+		memcpy(&records[i], entries[i], sizeof(struct eeprom_umc_record));
+		count++;
+		radix_tree_tag_clear(&ras_umc->root,
+				entries[i]->cur_nps_retired_row_pfn, UMC_ECC_NEW_DETECTED_TAG);
+	}
+	mutex_unlock(&ras_umc->tree_lock);
+
+	return count;
+}
+
+static bool ras_umc_check_retired_record(struct ras_core_context *ras_core,
+				struct eeprom_umc_record *record, bool from_eeprom)
+{
+	struct ras_umc *ras_umc = &ras_core->ras_umc;
+	struct eeprom_store_record *data = &ras_umc->umc_err_data.rom_data;
+	uint32_t nps = 0;
+	int i, ret;
+
+	if (from_eeprom) {
+		nps = ras_umc->umc_err_data.umc_nps_mode;
+		if (ras_umc->ip_func && ras_umc->ip_func->eeprom_record_to_nps_record) {
+			ret = ras_umc->ip_func->eeprom_record_to_nps_record(ras_core, record, nps);
+			if (ret)
+				RAS_DEV_WARN(ras_core->dev,
+					"Failed to adjust eeprom record, ret:%d", ret);
+		}
+		return false;
+	}
+
+	for (i = 0; i < data->count; i++) {
+		if ((data->bps[i].retired_row_pfn == record->retired_row_pfn) &&
+		    (data->bps[i].cur_nps_retired_row_pfn == record->cur_nps_retired_row_pfn))
+			return true;
+	}
+
+	return false;
+}
+
+/* alloc/realloc bps array */
+static int ras_umc_realloc_err_data_space(struct ras_core_context *ras_core,
+		struct eeprom_store_record *data, int pages)
+{
+	unsigned int old_space = data->count + data->space_left;
+	unsigned int new_space = old_space + pages;
+	unsigned int align_space = ALIGN(new_space, 512);
+	void *bps = kzalloc(align_space * sizeof(*data->bps), GFP_KERNEL);
+
+	if (!bps)
+		return -ENOMEM;
+
+	if (data->bps) {
+		memcpy(bps, data->bps,
+				data->count * sizeof(*data->bps));
+		kfree(data->bps);
+	}
+
+	data->bps = bps;
+	data->space_left += align_space - old_space;
+	return 0;
+}
+
+static int ras_umc_update_eeprom_rom_data(struct ras_core_context *ras_core,
+		struct eeprom_umc_record *bps)
+{
+	struct eeprom_store_record *data = &ras_core->ras_umc.umc_err_data.rom_data;
+
+	if (!data->space_left &&
+		ras_umc_realloc_err_data_space(ras_core, data, 256)) {
+		return	-ENOMEM;
+	}
+
+	memcpy(&data->bps[data->count], bps, sizeof(*data->bps));
+	data->count++;
+	data->space_left--;
+	return 0;
+}
+
+static int ras_umc_update_eeprom_ram_data(struct ras_core_context *ras_core,
+				struct eeprom_umc_record *bps)
+{
+	struct ras_umc *ras_umc = &ras_core->ras_umc;
+	struct eeprom_store_record *data = &ras_umc->umc_err_data.ram_data;
+	uint64_t page_pfn[16];
+	int count = 0, j;
+
+	if (!data->space_left &&
+		ras_umc_realloc_err_data_space(ras_core, data, 256)) {
+		return	-ENOMEM;
+	}
+
+	memset(page_pfn, 0, sizeof(page_pfn));
+	count = ras_umc_convert_record_to_nps_pages(ras_core,
+					bps, bps->cur_nps, page_pfn, ARRAY_SIZE(page_pfn));
+	if (count > 0) {
+		for (j = 0; j < count; j++) {
+			bps->cur_nps_retired_row_pfn = page_pfn[j];
+			memcpy(&data->bps[data->count], bps, sizeof(*data->bps));
+			data->count++;
+			data->space_left--;
+		}
+	} else {
+		RAS_DEV_ERR(ras_core->dev, "Failed to convert record to nps pages!");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+/* it deal with vram only. */
+static int ras_umc_add_bad_pages(struct ras_core_context *ras_core,
+				 struct eeprom_umc_record *bps,
+				 int pages, bool from_eeprom)
+{
+	struct ras_umc *ras_umc = &ras_core->ras_umc;
+	struct ras_umc_err_data *data = &ras_umc->umc_err_data;
+	int i, ret = 0;
+
+	if (!bps || pages <= 0)
+		return 0;
+
+	mutex_lock(&ras_umc->umc_lock);
+	for (i = 0; i < pages; i++) {
+		if (ras_umc_check_retired_record(ras_core, &bps[i], from_eeprom))
+			continue;
+
+		ret = ras_umc_update_eeprom_rom_data(ras_core, &bps[i]);
+		if (ret)
+			goto out;
+
+		if (data->last_retired_pfn == bps[i].cur_nps_retired_row_pfn)
+			continue;
+
+		data->last_retired_pfn = bps[i].cur_nps_retired_row_pfn;
+
+		if (from_eeprom)
+			ras_umc_reserve_eeprom_record(ras_core, &bps[i]);
+
+		ret = ras_umc_update_eeprom_ram_data(ras_core, &bps[i]);
+		if (ret)
+			goto out;
+	}
+out:
+	mutex_unlock(&ras_umc->umc_lock);
+
+	return ret;
+}
+
+/*
+ * read error record array in eeprom and reserve enough space for
+ * storing new bad pages
+ */
+int ras_umc_load_bad_pages(struct ras_core_context *ras_core)
+{
+	struct eeprom_umc_record *bps;
+	uint32_t ras_num_recs;
+	int ret;
+
+	if (ras_fw_eeprom_supported(ras_core)) {
+		ras_num_recs = ras_fw_eeprom_get_record_count(ras_core);
+		/* no bad page record, skip eeprom access */
+		if (!ras_num_recs ||
+		    ras_core->ras_fw_eeprom.record_threshold_config == DISABLE_RETIRE_PAGE)
+			return 0;
+	} else {
+		ras_num_recs = ras_eeprom_get_record_count(ras_core);
+		if (!ras_num_recs ||
+		    ras_core->ras_eeprom.record_threshold_config == DISABLE_RETIRE_PAGE)
+			return 0;
+	}
+
+	bps = kzalloc_objs(*bps, ras_num_recs);
+	if (!bps)
+		return -ENOMEM;
+
+	if (ras_fw_eeprom_supported(ras_core))
+		ret = ras_fw_eeprom_read_idx(ras_core, bps, 0, 0, ras_num_recs);
+	else
+		ret = ras_eeprom_read(ras_core, bps, ras_num_recs);
+	if (ret) {
+		RAS_DEV_ERR(ras_core->dev, "Failed to load EEPROM table records!");
+	} else {
+		ras_core->ras_umc.umc_err_data.last_retired_pfn = UMC_INV_MEM_PFN;
+		ret = ras_umc_add_bad_pages(ras_core, bps, ras_num_recs, true);
+	}
+
+	kfree(bps);
+	return ret;
+}
+
+/*
+ * write error record array to eeprom, the function should be
+ * protected by recovery_lock
+ * new_cnt: new added UE count, excluding reserved bad pages, can be NULL
+ */
+static int ras_umc_save_bad_pages(struct ras_core_context *ras_core)
+{
+	struct ras_umc *ras_umc = &ras_core->ras_umc;
+	struct eeprom_store_record *data = &ras_umc->umc_err_data.rom_data;
+	uint32_t eeprom_record_num;
+	int save_count;
+	int ret = 0;
+
+	if (!data->bps)
+		return 0;
+
+	if (ras_fw_eeprom_supported(ras_core))
+		eeprom_record_num = ras_fw_eeprom_get_record_count(ras_core);
+	else
+		eeprom_record_num = ras_eeprom_get_record_count(ras_core);
+	mutex_lock(&ras_umc->umc_lock);
+	save_count = data->count - eeprom_record_num;
+	/* only new entries are saved */
+	if (save_count > 0) {
+		if (ras_fw_eeprom_supported(ras_core))
+			ret = ras_fw_eeprom_append(ras_core, &data->bps[eeprom_record_num],
+					save_count);
+		else
+			ret = ras_eeprom_append(ras_core, &data->bps[eeprom_record_num],
+					save_count);
+		if (ret) {
+			RAS_DEV_ERR(ras_core->dev, "Failed to save EEPROM table data!");
+			ret = -EIO;
+			goto exit;
+		}
+
+		RAS_DEV_INFO(ras_core->dev, "Saved %d pages to EEPROM table.\n", save_count);
+	}
+
+exit:
+	mutex_unlock(&ras_umc->umc_lock);
+	return ret;
+}
+
+int ras_umc_handle_bad_pages(struct ras_core_context *ras_core, void *data)
+{
+	struct eeprom_umc_record *records;
+	int count, ret;
+
+	records = kzalloc_objs(*records, MAX_ECC_NUM_PER_RETIREMENT);
+	if (!records)
+		return -ENOMEM;
+
+	count = ras_umc_get_new_records(ras_core, records,
+					MAX_ECC_NUM_PER_RETIREMENT);
+	if (count <= 0) {
+		ret = -ENODATA;
+		goto out;
+	}
+
+	ret = ras_umc_add_bad_pages(ras_core, records, count, false);
+	if (ret) {
+		RAS_DEV_ERR(ras_core->dev, "Failed to add ras bad page!\n");
+		ret = -EINVAL;
+		goto out;
+	}
+
+	ret = ras_umc_save_bad_pages(ras_core);
+	if (ret) {
+		RAS_DEV_ERR(ras_core->dev, "Failed to save ras bad page\n");
+		ret = -EINVAL;
+		goto out;
+	}
+
+	ret = 0;
+
+out:
+	kfree(records);
+	return ret;
+}
+
+int ras_umc_sw_init(struct ras_core_context *ras_core)
+{
+	struct ras_umc *ras_umc = &ras_core->ras_umc;
+
+	memset(ras_umc, 0, sizeof(*ras_umc));
+
+	INIT_LIST_HEAD(&ras_umc->pending_ecc_list);
+
+	INIT_RADIX_TREE(&ras_umc->root, GFP_KERNEL);
+
+	mutex_init(&ras_umc->tree_lock);
+	mutex_init(&ras_umc->pending_ecc_lock);
+	mutex_init(&ras_umc->umc_lock);
+	mutex_init(&ras_umc->bank_log_lock);
+
+	return 0;
+}
+
+int ras_umc_sw_fini(struct ras_core_context *ras_core)
+{
+	struct ras_umc *ras_umc = &ras_core->ras_umc;
+	struct ras_umc_err_data *umc_err_data = &ras_umc->umc_err_data;
+	struct ras_bank_ecc_node *ecc_node, *tmp;
+
+	mutex_destroy(&ras_umc->umc_lock);
+	mutex_destroy(&ras_umc->bank_log_lock);
+
+	if (umc_err_data->rom_data.bps) {
+		umc_err_data->rom_data.count = 0;
+		kfree(umc_err_data->rom_data.bps);
+		umc_err_data->rom_data.bps = NULL;
+		umc_err_data->rom_data.space_left = 0;
+	}
+
+	if (umc_err_data->ram_data.bps) {
+		umc_err_data->ram_data.count = 0;
+		kfree(umc_err_data->ram_data.bps);
+		umc_err_data->ram_data.bps = NULL;
+		umc_err_data->ram_data.space_left = 0;
+	}
+
+	ras_umc_clear_logged_ecc(ras_core);
+
+	mutex_lock(&ras_umc->pending_ecc_lock);
+	list_for_each_entry_safe(ecc_node,
+		tmp, &ras_umc->pending_ecc_list, node){
+		list_del(&ecc_node->node);
+		kfree(ecc_node);
+	}
+	ras_umc->pending_ecc_count = 0;
+	ras_umc->pending_ecc_dropped = 0;
+	mutex_unlock(&ras_umc->pending_ecc_lock);
+
+	mutex_destroy(&ras_umc->tree_lock);
+	mutex_destroy(&ras_umc->pending_ecc_lock);
+
+	return 0;
+}
+
+int ras_umc_hw_init(struct ras_core_context *ras_core)
+{
+	struct ras_umc *ras_umc = &ras_core->ras_umc;
+	uint32_t nps;
+
+	nps = ras_core_get_curr_nps_mode(ras_core);
+
+	if (!nps || (nps >= UMC_MEMORY_PARTITION_MODE_UNKNOWN)) {
+		RAS_DEV_ERR(ras_core->dev, "Invalid memory NPS mode: %u!\n", nps);
+		return -ENODATA;
+	}
+
+	ras_umc->umc_err_data.umc_nps_mode = nps;
+
+	ras_umc->umc_vram_type = ras_core->config->umc_cfg.umc_vram_type;
+	if (!ras_umc->umc_vram_type) {
+		RAS_DEV_ERR(ras_core->dev, "Invalid UMC VRAM Type: %u!\n",
+			ras_umc->umc_vram_type);
+		return -ENODATA;
+	}
+
+	ras_umc->umc_ip_version = ras_core->config->umc_ip_version;
+	ras_umc->ip_func = ras_umc_get_ip_func(ras_core, ras_umc->umc_ip_version);
+	if (!ras_umc->ip_func)
+		return -EINVAL;
+
+	return 0;
+}
+
+int ras_umc_hw_fini(struct ras_core_context *ras_core)
+{
+	return 0;
+}
+
+int ras_umc_clean_badpage_data(struct ras_core_context *ras_core)
+{
+	struct ras_umc_err_data *data = &ras_core->ras_umc.umc_err_data;
+
+	mutex_lock(&ras_core->ras_umc.umc_lock);
+
+	kfree(data->rom_data.bps);
+	kfree(data->ram_data.bps);
+
+	memset(data, 0, sizeof(*data));
+	mutex_unlock(&ras_core->ras_umc.umc_lock);
+
+	return 0;
+}
+
+int ras_umc_fill_eeprom_record(struct ras_core_context *ras_core,
+		uint64_t err_addr, uint32_t umc_inst, struct umc_phy_addr *cur_nps_addr,
+		enum umc_memory_partition_mode cur_nps, struct eeprom_umc_record *record)
+{
+	struct eeprom_umc_record *err_rec = record;
+
+	/* Set bad page pfn and nps mode */
+	EEPROM_RECORD_SETUP_UMC_ADDR_AND_NPS(err_rec,
+			RAS_ADDR_TO_PFN(cur_nps_addr->pa), cur_nps);
+
+	err_rec->address = err_addr;
+	err_rec->ts = ras_umc_get_eeprom_timestamp(ras_core);
+	err_rec->err_type = RAS_EEPROM_ERR_NON_RECOVERABLE;
+	err_rec->cu = 0;
+	err_rec->mem_channel = cur_nps_addr->channel_idx;
+	err_rec->mcumc_id = umc_inst;
+	err_rec->cur_nps_retired_row_pfn = RAS_ADDR_TO_PFN(cur_nps_addr->pa);
+	err_rec->cur_nps_bank = cur_nps_addr->bank;
+	err_rec->cur_nps = cur_nps;
+	return 0;
+}
+
+int ras_umc_get_saved_eeprom_count(struct ras_core_context *ras_core)
+{
+	struct ras_umc_err_data *err_data = &ras_core->ras_umc.umc_err_data;
+
+	return err_data->rom_data.count;
+}
+
+int ras_umc_get_badpage_count(struct ras_core_context *ras_core)
+{
+	struct eeprom_store_record *data = &ras_core->ras_umc.umc_err_data.ram_data;
+
+	return data->count;
+}
+
+int ras_umc_get_badpage_record(struct ras_core_context *ras_core, uint32_t index, void *record)
+{
+	struct eeprom_store_record *data = &ras_core->ras_umc.umc_err_data.ram_data;
+
+	if (index >= data->count)
+		return -EINVAL;
+
+	memcpy(record, &data->bps[index], sizeof(struct eeprom_umc_record));
+	return 0;
+}
+
+bool ras_umc_check_retired_addr(struct ras_core_context *ras_core, uint64_t addr)
+{
+	struct ras_umc *ras_umc = &ras_core->ras_umc;
+	struct eeprom_store_record *data = &ras_umc->umc_err_data.ram_data;
+	uint64_t page_pfn = RAS_ADDR_TO_PFN(addr);
+	int i, ret = false;
+
+	mutex_lock(&ras_umc->umc_lock);
+	for (i = 0; i < data->count; i++) {
+		if (data->bps[i].cur_nps_retired_row_pfn == page_pfn) {
+			ret = true;
+			break;
+		}
+	}
+	mutex_unlock(&ras_umc->umc_lock);
+
+	return ret;
+}
+
+int ras_umc_translate_soc_pa_and_bank(struct ras_core_context *ras_core,
+	uint64_t *soc_pa, struct umc_bank_addr *bank_addr, bool bank_to_pa)
+{
+	struct ras_umc *ras_umc = &ras_core->ras_umc;
+	int ret = 0;
+
+	if (bank_to_pa)
+		ret = ras_umc->ip_func->bank_to_soc_pa(ras_core, *bank_addr, soc_pa);
+	else
+		ret = ras_umc->ip_func->soc_pa_to_bank(ras_core, *soc_pa, bank_addr);
+
+	return ret;
+}

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_umc.h

@@ -0,0 +1,183 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __RAS_UMC_H__
+#define __RAS_UMC_H__
+#include "ras.h"
+#include "ras_eeprom.h"
+#include "ras_cmd.h"
+
+#define UMC_VRAM_TYPE_UNKNOWN 0
+#define UMC_VRAM_TYPE_GDDR1   1
+#define UMC_VRAM_TYPE_DDR2    2
+#define UMC_VRAM_TYPE_GDDR3   3
+#define UMC_VRAM_TYPE_GDDR4   4
+#define UMC_VRAM_TYPE_GDDR5   5
+#define UMC_VRAM_TYPE_HBM     6
+#define UMC_VRAM_TYPE_DDR3    7
+#define UMC_VRAM_TYPE_DDR4    8
+#define UMC_VRAM_TYPE_GDDR6   9
+#define UMC_VRAM_TYPE_DDR5    10
+#define UMC_VRAM_TYPE_LPDDR4  11
+#define UMC_VRAM_TYPE_LPDDR5  12
+#define UMC_VRAM_TYPE_HBM3E   13
+
+#define UMC_ECC_NEW_DETECTED_TAG       0x1
+#define UMC_INV_MEM_PFN  (0xFFFFFFFFFFFFFFFF)
+
+/* three column bits and one row bit in MCA address flip
+ * in bad page retirement
+ */
+#define UMC_PA_FLIP_BITS_NUM 4
+
+enum umc_memory_partition_mode {
+	UMC_MEMORY_PARTITION_MODE_NONE = 0,
+	UMC_MEMORY_PARTITION_MODE_NPS1 = 1,
+	UMC_MEMORY_PARTITION_MODE_NPS2 = 2,
+	UMC_MEMORY_PARTITION_MODE_NPS3 = 3,
+	UMC_MEMORY_PARTITION_MODE_NPS4 = 4,
+	UMC_MEMORY_PARTITION_MODE_NPS6 = 6,
+	UMC_MEMORY_PARTITION_MODE_NPS8 = 8,
+	UMC_MEMORY_PARTITION_MODE_UNKNOWN
+};
+
+struct ras_core_context;
+struct ras_bank_ecc;
+
+struct umc_flip_bits {
+	uint32_t flip_bits_in_pa[UMC_PA_FLIP_BITS_NUM];
+	uint32_t flip_row_bit;
+	uint32_t r13_in_pa;
+	uint32_t bit_num;
+};
+
+struct umc_mca_addr {
+	uint64_t err_addr;
+	uint32_t ch_inst;
+	uint32_t umc_inst;
+	uint32_t node_inst;
+	uint32_t socket_id;
+};
+
+struct umc_phy_addr {
+	uint64_t pa;
+	uint32_t bank;
+	uint32_t channel_idx;
+};
+
+struct umc_bank_addr {
+	uint32_t stack_id; /* SID */
+	uint32_t bank_group;
+	uint32_t bank;
+	uint32_t row;
+	uint32_t column;
+	uint32_t channel;
+	uint32_t subchannel; /* Also called Pseudochannel (PC) */
+};
+
+struct ras_umc_ip_func {
+	int (*bank_to_eeprom_record)(struct ras_core_context *ras_core,
+			struct ras_bank_ecc *bank, struct eeprom_umc_record *record);
+	int (*eeprom_record_to_nps_record)(struct ras_core_context *ras_core,
+			struct eeprom_umc_record *record, uint32_t nps);
+	int (*eeprom_record_to_nps_pages)(struct ras_core_context *ras_core,
+			struct eeprom_umc_record *record, uint32_t nps,
+			uint64_t *pfns, uint32_t num);
+	int (*bank_to_soc_pa)(struct ras_core_context *ras_core,
+			struct umc_bank_addr bank_addr, uint64_t *soc_pa);
+	int (*soc_pa_to_bank)(struct ras_core_context *ras_core,
+			uint64_t soc_pa, struct umc_bank_addr *bank_addr);
+	void (*mca_ipid_parse)(struct ras_core_context *ras_core, uint64_t ipid,
+			uint32_t *did, uint32_t *ch, uint32_t *umc_inst, uint32_t *sid);
+};
+
+struct eeprom_store_record {
+	/* point to data records array */
+	struct eeprom_umc_record *bps;
+	/* the count of entries */
+	int count;
+	/* the space can place new entries */
+	int space_left;
+};
+
+struct ras_umc_err_data {
+	struct eeprom_store_record rom_data;
+	struct eeprom_store_record ram_data;
+	enum umc_memory_partition_mode umc_nps_mode;
+	uint64_t last_retired_pfn;
+};
+
+struct ras_umc {
+	u32 umc_ip_version;
+	u32 umc_vram_type;
+	const struct ras_umc_ip_func *ip_func;
+	struct radix_tree_root root;
+	struct mutex  tree_lock;
+	struct mutex  umc_lock;
+	struct mutex  bank_log_lock;
+	struct mutex  pending_ecc_lock;
+	struct ras_umc_err_data umc_err_data;
+	struct list_head pending_ecc_list;
+	/* number of entries currently queued on pending_ecc_list */
+	u32 pending_ecc_count;
+	/* number of entries dropped because pending_ecc_list was full */
+	u32 pending_ecc_dropped;
+};
+
+/*
+ * Upper bound on entries that can be queued on pending_ecc_list while a
+ * GPU reset is in progress. Beyond this, new ECC events are dropped to
+ * prevent unbounded kernel memory growth in case of an ECC storm or
+ * malicious/repeated UMC error injection.
+ */
+#define RAS_UMC_PENDING_ECC_MAX  8192
+
+int ras_umc_sw_init(struct ras_core_context *ras);
+int ras_umc_sw_fini(struct ras_core_context *ras);
+int ras_umc_hw_init(struct ras_core_context *ras);
+int ras_umc_hw_fini(struct ras_core_context *ras);
+int ras_umc_psp_convert_ma_to_pa(struct ras_core_context *ras_core,
+		struct umc_mca_addr *in, struct umc_phy_addr *out,
+		uint32_t nps);
+int ras_umc_handle_bad_pages(struct ras_core_context *ras_core, void *data);
+int ras_umc_log_bad_bank(struct ras_core_context *ras, struct ras_bank_ecc *bank);
+int ras_umc_log_bad_bank_pending(struct ras_core_context *ras_core, struct ras_bank_ecc *bank);
+int ras_umc_log_pending_bad_bank(struct ras_core_context *ras_core);
+int ras_umc_clear_logged_ecc(struct ras_core_context *ras_core);
+int ras_umc_load_bad_pages(struct ras_core_context *ras_core);
+int ras_umc_get_saved_eeprom_count(struct ras_core_context *ras_core);
+int ras_umc_clean_badpage_data(struct ras_core_context *ras_core);
+int ras_umc_fill_eeprom_record(struct ras_core_context *ras_core,
+		uint64_t err_addr, uint32_t umc_inst, struct umc_phy_addr *cur_nps_addr,
+		enum umc_memory_partition_mode cur_nps, struct eeprom_umc_record *record);
+
+int ras_umc_get_badpage_count(struct ras_core_context *ras_core);
+int ras_umc_get_badpage_record(struct ras_core_context *ras_core, uint32_t index, void *record);
+bool ras_umc_check_retired_addr(struct ras_core_context *ras_core, uint64_t addr);
+int ras_umc_translate_soc_pa_and_bank(struct ras_core_context *ras_core,
+			uint64_t *soc_pa, struct umc_bank_addr *bank_addr, bool bank_to_pa);
+int ras_umc_convert_record_to_nps_pages(struct ras_core_context *ras_core,
+		struct eeprom_umc_record *record, uint32_t nps,
+		uint64_t *page_pfn, uint32_t max_pages);
+#endif

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_umc_v12_0.c

@@ -0,0 +1,528 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "ras.h"
+#include "ras_umc.h"
+#include "ras_core_status.h"
+#include "ras_umc_v12_0.h"
+
+#define NumDieInterleaved 4
+
+static const uint32_t umc_v12_0_channel_idx_tbl[]
+	[UMC_V12_0_UMC_INSTANCE_NUM][UMC_V12_0_CHANNEL_INSTANCE_NUM] = {
+	{{3,   7,   11,  15,  2,   6,   10,  14},  {1,   5,   9,   13,  0,   4,   8,   12},
+	 {19,  23,  27,  31,  18,  22,  26,  30},  {17,  21,  25,  29,  16,  20,  24,  28}},
+	{{47,  43,  39,  35,  46,  42,  38,  34},  {45,  41,  37,  33,  44,  40,  36,  32},
+	 {63,  59,  55,  51,  62,  58,  54,  50},  {61,  57,  53,  49,  60,  56,  52,  48}},
+	{{79,  75,  71,  67,  78,  74,  70,  66},  {77,  73,  69,  65,  76,  72,  68,  64},
+	 {95,  91,  87,  83,  94,  90,  86,  82},  {93,  89,  85,  81,  92,  88,  84,  80}},
+	{{99,  103, 107, 111, 98,  102, 106, 110}, {97,  101, 105, 109, 96,  100, 104, 108},
+	 {115, 119, 123, 127, 114, 118, 122, 126}, {113, 117, 121, 125, 112, 116, 120, 124}}
+};
+
+/* mapping of MCA error address to normalized address */
+static const uint32_t umc_v12_0_ma2na_mapping[] = {
+	0,  5,  6,  8,  9,  14, 12, 13,
+	10, 11, 15, 16, 17, 18, 19, 20,
+	21, 22, 23, 24, 25, 26, 27, 28,
+	24, 7,  29, 30,
+};
+
+static bool umc_v12_0_bit_wise_xor(uint32_t val)
+{
+	bool result = 0;
+	int i;
+
+	for (i = 0; i < 32; i++)
+		result = result ^ ((val >> i) & 0x1);
+
+	return result;
+}
+
+static void __get_nps_pa_flip_bits(struct ras_core_context *ras_core,
+			enum umc_memory_partition_mode nps,
+			struct umc_flip_bits *flip_bits)
+{
+	uint32_t vram_type = ras_core->ras_umc.umc_vram_type;
+
+	/* default setting */
+	flip_bits->flip_bits_in_pa[0] = UMC_V12_0_PA_C2_BIT;
+	flip_bits->flip_bits_in_pa[1] = UMC_V12_0_PA_C3_BIT;
+	flip_bits->flip_bits_in_pa[2] = UMC_V12_0_PA_C4_BIT;
+	flip_bits->flip_bits_in_pa[3] = UMC_V12_0_PA_R13_BIT;
+	flip_bits->flip_row_bit = 13;
+	flip_bits->bit_num = 4;
+	flip_bits->r13_in_pa = UMC_V12_0_PA_R13_BIT;
+
+	if (nps == UMC_MEMORY_PARTITION_MODE_NPS2) {
+		flip_bits->flip_bits_in_pa[0] = UMC_V12_0_PA_CH5_BIT;
+		flip_bits->flip_bits_in_pa[1] = UMC_V12_0_PA_C2_BIT;
+		flip_bits->flip_bits_in_pa[2] = UMC_V12_0_PA_B1_BIT;
+		flip_bits->r13_in_pa = UMC_V12_0_PA_R12_BIT;
+	} else if (nps == UMC_MEMORY_PARTITION_MODE_NPS4) {
+		flip_bits->flip_bits_in_pa[0] = UMC_V12_0_PA_CH4_BIT;
+		flip_bits->flip_bits_in_pa[1] = UMC_V12_0_PA_CH5_BIT;
+		flip_bits->flip_bits_in_pa[2] = UMC_V12_0_PA_B0_BIT;
+		flip_bits->r13_in_pa = UMC_V12_0_PA_R11_BIT;
+	}
+
+	switch (vram_type) {
+	case UMC_VRAM_TYPE_HBM:
+		/* other nps modes are taken as nps1 */
+		if (nps == UMC_MEMORY_PARTITION_MODE_NPS2)
+			flip_bits->flip_bits_in_pa[3] = UMC_V12_0_PA_R12_BIT;
+		else if (nps == UMC_MEMORY_PARTITION_MODE_NPS4)
+			flip_bits->flip_bits_in_pa[3] = UMC_V12_0_PA_R11_BIT;
+
+		break;
+	case UMC_VRAM_TYPE_HBM3E:
+		flip_bits->flip_bits_in_pa[3] = UMC_V12_0_PA_R12_BIT;
+		flip_bits->flip_row_bit = 12;
+
+		if (nps == UMC_MEMORY_PARTITION_MODE_NPS2)
+			flip_bits->flip_bits_in_pa[3] = UMC_V12_0_PA_R11_BIT;
+		else if (nps == UMC_MEMORY_PARTITION_MODE_NPS4)
+			flip_bits->flip_bits_in_pa[3] = UMC_V12_0_PA_R10_BIT;
+
+		break;
+	default:
+		RAS_DEV_WARN(ras_core->dev,
+			"Unknown HBM type, set RAS retire flip bits to the value in NPS1 mode.\n");
+		break;
+	}
+}
+
+static uint64_t  convert_nps_pa_to_row_pa(struct ras_core_context *ras_core,
+		uint64_t pa, enum umc_memory_partition_mode nps, bool zero_pfn_ok)
+{
+	struct umc_flip_bits flip_bits = {0};
+	uint64_t row_pa;
+	int i;
+
+	__get_nps_pa_flip_bits(ras_core, nps, &flip_bits);
+
+	row_pa = pa;
+	/* clear loop bits in soc physical address */
+	for (i = 0; i < flip_bits.bit_num; i++)
+		row_pa &= ~BIT_ULL(flip_bits.flip_bits_in_pa[i]);
+
+	if (!zero_pfn_ok && !RAS_ADDR_TO_PFN(row_pa))
+		row_pa |= BIT_ULL(flip_bits.flip_bits_in_pa[2]);
+
+	return row_pa;
+}
+
+static int lookup_bad_pages_in_a_row(struct ras_core_context *ras_core,
+		struct eeprom_umc_record *record, uint32_t nps,
+		uint64_t *pfns, uint32_t num,
+		uint64_t seq_no, bool dump)
+{
+	uint32_t col, col_lower, row, row_lower, idx, row_high;
+	uint64_t soc_pa, row_pa, column, err_addr;
+	uint64_t retired_addr = RAS_PFN_TO_ADDR(record->cur_nps_retired_row_pfn);
+	struct umc_flip_bits flip_bits = {0};
+	uint32_t retire_unit;
+	uint32_t i;
+
+	__get_nps_pa_flip_bits(ras_core, nps, &flip_bits);
+
+	row_pa = convert_nps_pa_to_row_pa(ras_core, retired_addr, nps, true);
+
+	err_addr = record->address;
+	/* get column bit 0 and 1 in mca address */
+	col_lower = (err_addr >> 1) & 0x3ULL;
+	/* MA_R13_BIT will be handled later */
+	row_lower = (err_addr >> UMC_V12_0_MCA_R0_BIT) & 0x1fffULL;
+	row_lower &= ~BIT_ULL(flip_bits.flip_row_bit);
+
+	if (ras_core->ras_gfx.gfx_ip_version >= IP_VERSION(9, 5, 0)) {
+		row_high = (row_pa >> flip_bits.r13_in_pa) & 0x3ULL;
+		/* it's 2.25GB in each channel, from MCA address to PA
+		 * [R14 R13] is converted if the two bits value are 0x3,
+		 * get them from PA instead of MCA address.
+		 */
+		row_lower |= (row_high << 13);
+	}
+
+	idx = 0;
+	row = 0;
+	retire_unit = 0x1 << flip_bits.bit_num;
+	/* loop for all possibilities of retire bits */
+	for (column = 0; column < retire_unit; column++) {
+		soc_pa = row_pa;
+		for (i = 0; i < flip_bits.bit_num; i++)
+			soc_pa |= (((column >> i) & 0x1ULL) << flip_bits.flip_bits_in_pa[i]);
+
+		col = ((column & 0x7) << 2) | col_lower;
+
+		/* add row bit 13 */
+		if (flip_bits.bit_num == UMC_PA_FLIP_BITS_NUM)
+			row = ((column >> 3) << flip_bits.flip_row_bit) | row_lower;
+
+		if (dump)
+			RAS_DEV_INFO(ras_core->dev,
+				"{%llu} Error Address(PA):0x%-10llx Row:0x%-4x Col:0x%-2x Bank:0x%x Channel:0x%x\n",
+				seq_no, soc_pa, row, col,
+				record->cur_nps_bank, record->mem_channel);
+
+
+		if (pfns && (idx < num))
+			pfns[idx++] = RAS_ADDR_TO_PFN(soc_pa);
+	}
+
+	return idx;
+}
+
+static int umc_v12_convert_ma_to_pa(struct ras_core_context *ras_core,
+			struct umc_mca_addr *addr_in, struct umc_phy_addr *addr_out,
+			uint32_t nps)
+{
+	uint32_t i, na_shift;
+	uint64_t soc_pa, na, na_nps;
+	uint32_t bank_hash0, bank_hash1, bank_hash2, bank_hash3, col, row;
+	uint32_t bank0, bank1, bank2, bank3, bank;
+	uint32_t ch_inst = addr_in->ch_inst;
+	uint32_t umc_inst = addr_in->umc_inst;
+	uint32_t node_inst = addr_in->node_inst;
+	uint32_t socket_id = addr_in->socket_id;
+	uint32_t channel_index;
+	uint64_t err_addr = addr_in->err_addr;
+
+	if (node_inst != UMC_INV_AID_NODE) {
+		if (ch_inst >= UMC_V12_0_CHANNEL_INSTANCE_NUM ||
+			umc_inst >= UMC_V12_0_UMC_INSTANCE_NUM ||
+			node_inst >= UMC_V12_0_AID_NUM_MAX ||
+			socket_id >= UMC_V12_0_SOCKET_NUM_MAX)
+			return -EINVAL;
+	} else {
+		if (socket_id >= UMC_V12_0_SOCKET_NUM_MAX ||
+			ch_inst >= UMC_V12_0_TOTAL_CHANNEL_NUM)
+			return -EINVAL;
+	}
+
+	bank_hash0 = (err_addr >> UMC_V12_0_MCA_B0_BIT) & 0x1ULL;
+	bank_hash1 = (err_addr >> UMC_V12_0_MCA_B1_BIT) & 0x1ULL;
+	bank_hash2 = (err_addr >> UMC_V12_0_MCA_B2_BIT) & 0x1ULL;
+	bank_hash3 = (err_addr >> UMC_V12_0_MCA_B3_BIT) & 0x1ULL;
+	col = (err_addr >> 1) & 0x1fULL;
+	row = (err_addr >> 10) & 0x3fffULL;
+
+	/* apply bank hash algorithm */
+	bank0 =
+		bank_hash0 ^ (UMC_V12_0_XOR_EN0 &
+		(umc_v12_0_bit_wise_xor(col & UMC_V12_0_COL_XOR0) ^
+		(umc_v12_0_bit_wise_xor(row & UMC_V12_0_ROW_XOR0))));
+	bank1 =
+		bank_hash1 ^ (UMC_V12_0_XOR_EN1 &
+		(umc_v12_0_bit_wise_xor(col & UMC_V12_0_COL_XOR1) ^
+		(umc_v12_0_bit_wise_xor(row & UMC_V12_0_ROW_XOR1))));
+	bank2 =
+		bank_hash2 ^ (UMC_V12_0_XOR_EN2 &
+		(umc_v12_0_bit_wise_xor(col & UMC_V12_0_COL_XOR2) ^
+		(umc_v12_0_bit_wise_xor(row & UMC_V12_0_ROW_XOR2))));
+	bank3 =
+		bank_hash3 ^ (UMC_V12_0_XOR_EN3 &
+		(umc_v12_0_bit_wise_xor(col & UMC_V12_0_COL_XOR3) ^
+		(umc_v12_0_bit_wise_xor(row & UMC_V12_0_ROW_XOR3))));
+
+	bank = bank0 | (bank1 << 1) | (bank2 << 2) | (bank3 << 3);
+	err_addr &= ~0x3c0ULL;
+	err_addr |= (bank << UMC_V12_0_MCA_B0_BIT);
+
+	na_nps = 0x0;
+	/* convert mca error address to normalized address */
+	for (i = 1; i < ARRAY_SIZE(umc_v12_0_ma2na_mapping); i++)
+		na_nps |= ((err_addr >> i) & 0x1ULL) << umc_v12_0_ma2na_mapping[i];
+
+	if (nps == UMC_MEMORY_PARTITION_MODE_NPS1)
+		na_shift = 8;
+	else if (nps == UMC_MEMORY_PARTITION_MODE_NPS2)
+		na_shift = 9;
+	else if (nps == UMC_MEMORY_PARTITION_MODE_NPS4)
+		na_shift = 10;
+	else if (nps == UMC_MEMORY_PARTITION_MODE_NPS8)
+		na_shift = 11;
+	else
+		return -EINVAL;
+
+	na = ((na_nps >> na_shift) << 8) | (na_nps & 0xff);
+
+	if (node_inst != UMC_INV_AID_NODE)
+		channel_index =
+			umc_v12_0_channel_idx_tbl[node_inst][umc_inst][ch_inst];
+	else {
+		channel_index = ch_inst;
+		node_inst = channel_index /
+			(UMC_V12_0_UMC_INSTANCE_NUM * UMC_V12_0_CHANNEL_INSTANCE_NUM);
+	}
+
+	/* translate umc channel address to soc pa, 3 parts are included */
+	soc_pa = ADDR_OF_32KB_BLOCK(na) |
+		ADDR_OF_256B_BLOCK(channel_index) |
+		OFFSET_IN_256B_BLOCK(na);
+
+	/* calc channel hash based on absolute address */
+	soc_pa += socket_id * SOCKET_LFB_SIZE;
+	/* the umc channel bits are not original values, they are hashed */
+	UMC_V12_0_SET_CHANNEL_HASH(channel_index, soc_pa);
+	/* restore pa */
+	soc_pa -= socket_id * SOCKET_LFB_SIZE;
+
+	/* get some channel bits from na_nps directly and
+	 * add nps section offset
+	 */
+	if (nps == UMC_MEMORY_PARTITION_MODE_NPS2) {
+		soc_pa &= ~(0x1ULL << UMC_V12_0_PA_CH5_BIT);
+		soc_pa |= ((na_nps & 0x100) << 5);
+		soc_pa += (node_inst >> 1) * (SOCKET_LFB_SIZE >> 1);
+	} else if (nps == UMC_MEMORY_PARTITION_MODE_NPS4) {
+		soc_pa &= ~(0x3ULL << UMC_V12_0_PA_CH4_BIT);
+		soc_pa |= ((na_nps & 0x300) << 4);
+		soc_pa += node_inst * (SOCKET_LFB_SIZE >> 2);
+	} else if (nps == UMC_MEMORY_PARTITION_MODE_NPS8) {
+		soc_pa &= ~(0x7ULL << UMC_V12_0_PA_CH4_BIT);
+		soc_pa |= ((na_nps & 0x700) << 4);
+		soc_pa += node_inst * (SOCKET_LFB_SIZE >> 2) +
+			(channel_index >> 4) * (SOCKET_LFB_SIZE >> 3);
+	}
+
+	addr_out->pa = soc_pa;
+	addr_out->bank = bank;
+	addr_out->channel_idx = channel_index;
+
+	return 0;
+}
+
+static int convert_ma_to_pa(struct ras_core_context *ras_core,
+			struct umc_mca_addr *addr_in, struct umc_phy_addr *addr_out,
+			uint32_t nps)
+{
+	int ret;
+
+	if (ras_psp_check_supported_cmd(ras_core, RAS_TA_CMD_ID__QUERY_ADDRESS))
+		ret = ras_umc_psp_convert_ma_to_pa(ras_core,
+				addr_in, addr_out, nps);
+	else
+		ret = umc_v12_convert_ma_to_pa(ras_core,
+				addr_in, addr_out, nps);
+
+	return ret;
+}
+
+static int convert_bank_to_nps_addr(struct ras_core_context *ras_core,
+			struct ras_bank_ecc *bank, struct umc_phy_addr *pa_addr, uint32_t nps)
+{
+	struct umc_mca_addr addr_in;
+	struct umc_phy_addr addr_out;
+	int ret;
+
+	memset(&addr_in, 0, sizeof(addr_in));
+	memset(&addr_out, 0, sizeof(addr_out));
+
+	addr_in.err_addr = ACA_ADDR_2_ERR_ADDR(bank->addr);
+	addr_in.ch_inst = ACA_IPID_2_UMC_CH(bank->ipid);
+	addr_in.umc_inst = ACA_IPID_2_UMC_INST(bank->ipid);
+	addr_in.node_inst = ACA_IPID_2_DIE_ID(bank->ipid);
+	addr_in.socket_id = ACA_IPID_2_SOCKET_ID(bank->ipid);
+
+	ret = convert_ma_to_pa(ras_core, &addr_in, &addr_out, nps);
+	if (!ret) {
+		pa_addr->pa =
+			convert_nps_pa_to_row_pa(ras_core, addr_out.pa, nps, false);
+		pa_addr->channel_idx = addr_out.channel_idx;
+		pa_addr->bank = addr_out.bank;
+	}
+
+	return ret;
+}
+
+static int umc_v12_0_bank_to_eeprom_record(struct ras_core_context *ras_core,
+		struct ras_bank_ecc *bank, struct eeprom_umc_record *record)
+{
+	struct umc_phy_addr nps_addr;
+	int ret;
+
+	memset(&nps_addr, 0, sizeof(nps_addr));
+
+	ret = convert_bank_to_nps_addr(ras_core, bank,
+			&nps_addr, bank->nps);
+	if (ret)
+		return ret;
+
+	ras_umc_fill_eeprom_record(ras_core,
+		ACA_ADDR_2_ERR_ADDR(bank->addr), ACA_IPID_2_UMC_INST(bank->ipid),
+		&nps_addr, bank->nps, record);
+
+	if (ras_fw_eeprom_supported(ras_core) && bank->ts)
+		record->ts = bank->ts;
+
+	lookup_bad_pages_in_a_row(ras_core, record,
+		bank->nps, NULL, 0, bank->seq_no, true);
+
+	return 0;
+}
+
+static int convert_eeprom_record_to_nps_addr(struct ras_core_context *ras_core,
+			struct eeprom_umc_record *record, uint64_t *pa, uint32_t nps)
+{
+	struct device_system_info dev_info = {0};
+	struct umc_mca_addr addr_in;
+	struct umc_phy_addr addr_out;
+	int ret;
+
+	memset(&addr_in, 0, sizeof(addr_in));
+	memset(&addr_out, 0, sizeof(addr_out));
+
+	ras_core_get_device_system_info(ras_core, &dev_info);
+
+	addr_in.err_addr = record->address;
+	addr_in.ch_inst = record->mem_channel;
+	addr_in.umc_inst = record->mcumc_id;
+	addr_in.node_inst = UMC_INV_AID_NODE;
+	addr_in.socket_id = dev_info.socket_id;
+
+	ret = convert_ma_to_pa(ras_core, &addr_in, &addr_out, nps);
+	if (ret)
+		return ret;
+
+	*pa = convert_nps_pa_to_row_pa(ras_core, addr_out.pa, nps, false);
+
+	return 0;
+}
+
+static int umc_v12_0_eeprom_record_to_nps_record(struct ras_core_context *ras_core,
+				struct eeprom_umc_record *record, uint32_t nps)
+{
+	uint64_t pa = 0;
+	int ret = 0;
+
+	if (nps == EEPROM_RECORD_UMC_NPS_MODE(record) && !ras_fw_eeprom_supported(ras_core)) {
+		record->cur_nps_retired_row_pfn = EEPROM_RECORD_UMC_ADDR_PFN(record);
+	} else {
+		ret = convert_eeprom_record_to_nps_addr(ras_core,
+				record, &pa, nps);
+		if (!ret)
+			record->cur_nps_retired_row_pfn = RAS_ADDR_TO_PFN(pa);
+	}
+
+	record->cur_nps = nps;
+
+	return ret;
+}
+
+static int umc_v12_0_eeprom_record_to_nps_pages(struct ras_core_context *ras_core,
+			struct eeprom_umc_record *record, uint32_t nps,
+			uint64_t *pfns, uint32_t num)
+{
+	return lookup_bad_pages_in_a_row(ras_core,
+				record, nps, pfns, num, 0, false);
+}
+
+static int umc_12_0_soc_pa_to_bank(struct ras_core_context *ras_core,
+			uint64_t soc_pa,
+			struct umc_bank_addr *bank_addr)
+{
+
+	int channel_hashed = 0;
+	int channel_real = 0;
+	int channel_reversed = 0;
+	int i = 0;
+
+	bank_addr->stack_id = UMC_V12_0_SOC_PA_TO_SID(soc_pa);
+	bank_addr->bank_group = 0; /* This is a combination of SID & Bank. Needed?? */
+	bank_addr->bank = UMC_V12_0_SOC_PA_TO_BANK(soc_pa);
+	bank_addr->row = UMC_V12_0_SOC_PA_TO_ROW(soc_pa);
+	bank_addr->column = UMC_V12_0_SOC_PA_TO_COL(soc_pa);
+
+	/* Channel bits 4-6 are hashed. Bruteforce reverse the hash */
+	channel_hashed = (soc_pa >> UMC_V12_0_PA_CH4_BIT) & 0x7;
+
+	for (i = 0; i < 8; i++) {
+		channel_reversed = 0;
+		channel_reversed |= UMC_V12_0_CHANNEL_HASH_CH4((i << 4), soc_pa);
+		channel_reversed |= (UMC_V12_0_CHANNEL_HASH_CH5((i << 4), soc_pa) << 1);
+		channel_reversed |= (UMC_V12_0_CHANNEL_HASH_CH6((i << 4), soc_pa) << 2);
+		if (channel_reversed == channel_hashed)
+			channel_real = ((i << 4)) | ((soc_pa >> UMC_V12_0_PA_CH0_BIT) & 0xf);
+	}
+
+	bank_addr->channel = channel_real;
+	bank_addr->subchannel = UMC_V12_0_SOC_PA_TO_PC(soc_pa);
+
+	return 0;
+}
+
+static int umc_12_0_bank_to_soc_pa(struct ras_core_context *ras_core,
+			struct umc_bank_addr bank_addr,
+			uint64_t *soc_pa)
+{
+	uint64_t na = 0;
+	uint64_t tmp_pa = 0;
+	*soc_pa = 0;
+
+	tmp_pa |= UMC_V12_0_SOC_SID_TO_PA(bank_addr.stack_id);
+	tmp_pa |= UMC_V12_0_SOC_BANK_TO_PA(bank_addr.bank);
+	tmp_pa |= UMC_V12_0_SOC_ROW_TO_PA(bank_addr.row);
+	tmp_pa |= UMC_V12_0_SOC_COL_TO_PA(bank_addr.column);
+	tmp_pa |= UMC_V12_0_SOC_CH_TO_PA(bank_addr.channel);
+	tmp_pa |= UMC_V12_0_SOC_PC_TO_PA(bank_addr.subchannel);
+
+	/* Get the NA */
+	na = ((tmp_pa >> UMC_V12_0_PA_C2_BIT) << UMC_V12_0_NA_C2_BIT);
+	na |= tmp_pa & 0xff;
+
+	/* translate umc channel address to soc pa, 3 parts are included */
+	tmp_pa = ADDR_OF_32KB_BLOCK(na) |
+		ADDR_OF_256B_BLOCK(bank_addr.channel) |
+		OFFSET_IN_256B_BLOCK(na);
+
+	/* the umc channel bits are not original values, they are hashed */
+	UMC_V12_0_SET_CHANNEL_HASH(bank_addr.channel, tmp_pa);
+
+	*soc_pa = tmp_pa;
+
+	return 0;
+}
+
+static void umc_v12_0_mca_ipid_parse(struct ras_core_context *ras_core, uint64_t ipid,
+		uint32_t *did, uint32_t *ch, uint32_t *umc_inst, uint32_t *sid)
+{
+	if (did)
+		*did = ACA_IPID_2_DIE_ID(ipid);
+	if (ch)
+		*ch = ACA_IPID_2_UMC_CH(ipid);
+	if (umc_inst)
+		*umc_inst = ACA_IPID_2_UMC_INST(ipid);
+	if (sid)
+		*sid = ACA_IPID_2_SOCKET_ID(ipid);
+}
+
+const struct ras_umc_ip_func ras_umc_func_v12_0 = {
+	.bank_to_eeprom_record = umc_v12_0_bank_to_eeprom_record,
+	.eeprom_record_to_nps_record = umc_v12_0_eeprom_record_to_nps_record,
+	.eeprom_record_to_nps_pages = umc_v12_0_eeprom_record_to_nps_pages,
+	.bank_to_soc_pa = umc_12_0_bank_to_soc_pa,
+	.soc_pa_to_bank = umc_12_0_soc_pa_to_bank,
+	.mca_ipid_parse = umc_v12_0_mca_ipid_parse,
+};
+

linux-7.2.3/drivers/gpu/drm/amd/ras/rascore/ras_umc_v12_0.h

@@ -0,0 +1,314 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright 2025 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#ifndef __RAS_UMC_V12_0_H__
+#define __RAS_UMC_V12_0_H__
+#include "ras.h"
+
+/* MCA_UMC_UMC0_MCUMC_ADDRT0 */
+#define MCA_UMC_UMC0_MCUMC_ADDRT0__ErrorAddr__SHIFT                0x0
+#define MCA_UMC_UMC0_MCUMC_ADDRT0__Reserved__SHIFT                 0x38
+#define MCA_UMC_UMC0_MCUMC_ADDRT0__ErrorAddr_MASK                  0x00FFFFFFFFFFFFFFL
+#define MCA_UMC_UMC0_MCUMC_ADDRT0__Reserved_MASK                   0xFF00000000000000L
+
+/* MCMP1_IPIDT0 */
+#define MCMP1_IPIDT0__InstanceIdLo__SHIFT                          0x0
+#define MCMP1_IPIDT0__HardwareID__SHIFT                            0x20
+#define MCMP1_IPIDT0__InstanceIdHi__SHIFT                          0x2c
+#define MCMP1_IPIDT0__McaType__SHIFT                               0x30
+
+#define MCMP1_IPIDT0__InstanceIdLo_MASK                            0x00000000FFFFFFFFL
+#define MCMP1_IPIDT0__HardwareID_MASK                              0x00000FFF00000000L
+#define MCMP1_IPIDT0__InstanceIdHi_MASK                            0x0000F00000000000L
+#define MCMP1_IPIDT0__McaType_MASK                                 0xFFFF000000000000L
+
+/* number of umc channel instance with memory map register access */
+#define UMC_V12_0_CHANNEL_INSTANCE_NUM		8
+/* number of umc instance with memory map register access */
+#define UMC_V12_0_UMC_INSTANCE_NUM		4
+
+/* one piece of normalized address is mapped to 8 pieces of physical address */
+#define UMC_V12_0_NA_MAP_PA_NUM        8
+
+/* bank bits in MCA error address */
+#define UMC_V12_0_MCA_B0_BIT 6
+#define UMC_V12_0_MCA_B1_BIT 7
+#define UMC_V12_0_MCA_B2_BIT 8
+#define UMC_V12_0_MCA_B3_BIT 9
+
+/* row bits in MCA address */
+#define UMC_V12_0_MCA_R0_BIT 10
+
+/* Stack ID bits in SOC physical address */
+#define UMC_V12_0_PA_SID1_BIT 37
+#define UMC_V12_0_PA_SID0_BIT 36
+
+/* bank bits in SOC physical address */
+#define UMC_V12_0_PA_B3_BIT 18
+#define UMC_V12_0_PA_B2_BIT 17
+#define UMC_V12_0_PA_B1_BIT 20
+#define UMC_V12_0_PA_B0_BIT 19
+
+/* row bits in SOC physical address */
+#define UMC_V12_0_PA_R13_BIT 35
+#define UMC_V12_0_PA_R12_BIT 34
+#define UMC_V12_0_PA_R11_BIT 33
+#define UMC_V12_0_PA_R10_BIT 32
+#define UMC_V12_0_PA_R9_BIT 31
+#define UMC_V12_0_PA_R8_BIT 30
+#define UMC_V12_0_PA_R7_BIT 29
+#define UMC_V12_0_PA_R6_BIT 28
+#define UMC_V12_0_PA_R5_BIT 27
+#define UMC_V12_0_PA_R4_BIT 26
+#define UMC_V12_0_PA_R3_BIT 25
+#define UMC_V12_0_PA_R2_BIT 24
+#define UMC_V12_0_PA_R1_BIT 23
+#define UMC_V12_0_PA_R0_BIT 22
+
+/* column bits in SOC physical address */
+#define UMC_V12_0_PA_C4_BIT 21
+#define UMC_V12_0_PA_C3_BIT 16
+#define UMC_V12_0_PA_C2_BIT 15
+#define UMC_V12_0_PA_C1_BIT 6
+#define UMC_V12_0_PA_C0_BIT 5
+
+/* channel index bits in SOC physical address */
+#define UMC_V12_0_PA_CH6_BIT 14
+#define UMC_V12_0_PA_CH5_BIT 13
+#define UMC_V12_0_PA_CH4_BIT 12
+#define UMC_V12_0_PA_CH3_BIT 11
+#define UMC_V12_0_PA_CH2_BIT 10
+#define UMC_V12_0_PA_CH1_BIT 9
+#define UMC_V12_0_PA_CH0_BIT 8
+
+/* Pseudochannel index bits in SOC physical address */
+#define UMC_V12_0_PA_PC0_BIT 7
+
+#define UMC_V12_0_NA_C2_BIT 8
+
+#define UMC_V12_0_SOC_PA_TO_SID(pa) \
+	((((pa >> UMC_V12_0_PA_SID0_BIT) & 0x1ULL) << 0ULL) | \
+	 (((pa >> UMC_V12_0_PA_SID1_BIT) & 0x1ULL) << 1ULL))
+
+#define UMC_V12_0_SOC_PA_TO_BANK(pa) \
+	((((pa >> UMC_V12_0_PA_B0_BIT) & 0x1ULL) << 0ULL) | \
+	 (((pa >> UMC_V12_0_PA_B1_BIT) & 0x1ULL) << 1ULL) | \
+	 (((pa >> UMC_V12_0_PA_B2_BIT) & 0x1ULL) << 2ULL) | \
+	 (((pa >> UMC_V12_0_PA_B3_BIT) & 0x1ULL) << 3ULL))
+
+#define UMC_V12_0_SOC_PA_TO_ROW(pa) \
+	((((pa >> UMC_V12_0_PA_R0_BIT) & 0x1ULL) << 0ULL) | \
+	 (((pa >> UMC_V12_0_PA_R1_BIT) & 0x1ULL) << 1ULL) | \
+	 (((pa >> UMC_V12_0_PA_R2_BIT) & 0x1ULL) << 2ULL) | \
+	 (((pa >> UMC_V12_0_PA_R3_BIT) & 0x1ULL) << 3ULL) | \
+	 (((pa >> UMC_V12_0_PA_R4_BIT) & 0x1ULL) << 4ULL) | \
+	 (((pa >> UMC_V12_0_PA_R5_BIT) & 0x1ULL) << 5ULL) | \
+	 (((pa >> UMC_V12_0_PA_R6_BIT) & 0x1ULL) << 6ULL) | \
+	 (((pa >> UMC_V12_0_PA_R7_BIT) & 0x1ULL) << 7ULL) | \
+	 (((pa >> UMC_V12_0_PA_R8_BIT) & 0x1ULL) << 8ULL) | \
+	 (((pa >> UMC_V12_0_PA_R9_BIT) & 0x1ULL) << 9ULL) | \
+	 (((pa >> UMC_V12_0_PA_R10_BIT) & 0x1ULL) << 10ULL) | \
+	 (((pa >> UMC_V12_0_PA_R11_BIT) & 0x1ULL) << 11ULL) | \
+	 (((pa >> UMC_V12_0_PA_R12_BIT) & 0x1ULL) << 12ULL) | \
+	 (((pa >> UMC_V12_0_PA_R13_BIT) & 0x1ULL) << 13ULL))
+
+#define UMC_V12_0_SOC_PA_TO_COL(pa) \
+	((((pa >> UMC_V12_0_PA_C0_BIT) & 0x1ULL) << 0ULL) | \
+	 (((pa >> UMC_V12_0_PA_C1_BIT) & 0x1ULL) << 1ULL) | \
+	 (((pa >> UMC_V12_0_PA_C2_BIT) & 0x1ULL) << 2ULL) | \
+	 (((pa >> UMC_V12_0_PA_C3_BIT) & 0x1ULL) << 3ULL) | \
+	 (((pa >> UMC_V12_0_PA_C4_BIT) & 0x1ULL) << 4ULL))
+
+#define UMC_V12_0_SOC_PA_TO_CH(pa) \
+	((((pa >> UMC_V12_0_PA_CH0_BIT) & 0x1ULL) << 0ULL) | \
+	 (((pa >> UMC_V12_0_PA_CH1_BIT) & 0x1ULL) << 1ULL) | \
+	 (((pa >> UMC_V12_0_PA_CH2_BIT) & 0x1ULL) << 2ULL) | \
+	 (((pa >> UMC_V12_0_PA_CH3_BIT) & 0x1ULL) << 3ULL) | \
+	 (((pa >> UMC_V12_0_PA_CH4_BIT) & 0x1ULL) << 4ULL) | \
+	 (((pa >> UMC_V12_0_PA_CH5_BIT) & 0x1ULL) << 5ULL) | \
+	 (((pa >> UMC_V12_0_PA_CH6_BIT) & 0x1ULL) << 6ULL))
+
+#define UMC_V12_0_SOC_PA_TO_PC(pa) (((pa >> UMC_V12_0_PA_PC0_BIT) & 0x1ULL) << 0ULL)
+
+#define UMC_V12_0_SOC_SID_TO_PA(sid) \
+	((((sid >> 0ULL) & 0x1ULL) << UMC_V12_0_PA_SID0_BIT) | \
+	 (((sid >> 1ULL) & 0x1ULL) << UMC_V12_0_PA_SID1_BIT))
+
+#define UMC_V12_0_SOC_BANK_TO_PA(bank) \
+	((((bank >> 0ULL) & 0x1ULL) << UMC_V12_0_PA_B0_BIT) | \
+	 (((bank >> 1ULL) & 0x1ULL) << UMC_V12_0_PA_B1_BIT) | \
+	 (((bank >> 2ULL) & 0x1ULL) << UMC_V12_0_PA_B2_BIT) | \
+	 (((bank >> 3ULL) & 0x1ULL) << UMC_V12_0_PA_B3_BIT))
+
+#define UMC_V12_0_SOC_ROW_TO_PA(row) \
+	((((row >> 0ULL) & 0x1ULL) << UMC_V12_0_PA_R0_BIT) | \
+	 (((row >> 1ULL) & 0x1ULL) << UMC_V12_0_PA_R1_BIT) | \
+	 (((row >> 2ULL) & 0x1ULL) << UMC_V12_0_PA_R2_BIT) | \
+	 (((row >> 3ULL) & 0x1ULL) << UMC_V12_0_PA_R3_BIT) | \
+	 (((row >> 4ULL) & 0x1ULL) << UMC_V12_0_PA_R4_BIT) | \
+	 (((row >> 5ULL) & 0x1ULL) << UMC_V12_0_PA_R5_BIT) | \
+	 (((row >> 6ULL) & 0x1ULL) << UMC_V12_0_PA_R6_BIT) | \
+	 (((row >> 7ULL) & 0x1ULL) << UMC_V12_0_PA_R7_BIT) | \
+	 (((row >> 8ULL) & 0x1ULL) << UMC_V12_0_PA_R8_BIT) | \
+	 (((row >> 9ULL) & 0x1ULL) << UMC_V12_0_PA_R9_BIT) | \
+	 (((row >> 10ULL) & 0x1ULL) << UMC_V12_0_PA_R10_BIT) | \
+	 (((row >> 11ULL) & 0x1ULL) << UMC_V12_0_PA_R11_BIT) | \
+	 (((row >> 12ULL) & 0x1ULL) << UMC_V12_0_PA_R12_BIT) | \
+	 (((row >> 13ULL) & 0x1ULL) << UMC_V12_0_PA_R13_BIT))
+
+#define UMC_V12_0_SOC_COL_TO_PA(col) \
+	((((col >> 0ULL) & 0x1ULL) << UMC_V12_0_PA_C0_BIT) | \
+	 (((col >> 1ULL) & 0x1ULL) << UMC_V12_0_PA_C1_BIT) | \
+	 (((col >> 2ULL) & 0x1ULL) << UMC_V12_0_PA_C2_BIT) | \
+	 (((col >> 3ULL) & 0x1ULL) << UMC_V12_0_PA_C3_BIT) | \
+	 (((col >> 4ULL) & 0x1ULL) << UMC_V12_0_PA_C4_BIT))
+
+#define UMC_V12_0_SOC_CH_TO_PA(ch) \
+	((((ch >> 0ULL) & 0x1ULL) << UMC_V12_0_PA_CH0_BIT) | \
+	 (((ch >> 1ULL) & 0x1ULL) << UMC_V12_0_PA_CH1_BIT) | \
+	 (((ch >> 2ULL) & 0x1ULL) << UMC_V12_0_PA_CH2_BIT) | \
+	 (((ch >> 3ULL) & 0x1ULL) << UMC_V12_0_PA_CH3_BIT) | \
+	 (((ch >> 4ULL) & 0x1ULL) << UMC_V12_0_PA_CH4_BIT) | \
+	 (((ch >> 5ULL) & 0x1ULL) << UMC_V12_0_PA_CH5_BIT) | \
+	 (((ch >> 6ULL) & 0x1ULL) << UMC_V12_0_PA_CH6_BIT))
+
+#define UMC_V12_0_SOC_PC_TO_PA(pc) (((pc >> 0ULL) & 0x1ULL) << UMC_V12_0_PA_PC0_BIT)
+
+/* bank hash settings */
+#define UMC_V12_0_XOR_EN0 1
+#define UMC_V12_0_XOR_EN1 1
+#define UMC_V12_0_XOR_EN2 1
+#define UMC_V12_0_XOR_EN3 1
+#define UMC_V12_0_COL_XOR0 0x0
+#define UMC_V12_0_COL_XOR1 0x0
+#define UMC_V12_0_COL_XOR2 0x800
+#define UMC_V12_0_COL_XOR3 0x1000
+#define UMC_V12_0_ROW_XOR0 0x11111
+#define UMC_V12_0_ROW_XOR1 0x22222
+#define UMC_V12_0_ROW_XOR2 0x4444
+#define UMC_V12_0_ROW_XOR3 0x8888
+
+/* channel hash settings */
+#define UMC_V12_0_HASH_4K 0
+#define UMC_V12_0_HASH_64K 1
+#define UMC_V12_0_HASH_2M 1
+#define UMC_V12_0_HASH_1G 1
+#define UMC_V12_0_HASH_1T 1
+
+/* XOR some bits of PA into CH4~CH6 bits (bits 12~14 of PA),
+ * hash bit is only effective when related setting is enabled
+ */
+#define UMC_V12_0_CHANNEL_HASH_CH4(channel_idx, pa) ((((channel_idx) >> 5) & 0x1) ^ \
+				(((pa)  >> 20) & 0x1ULL & UMC_V12_0_HASH_64K) ^ \
+				(((pa)  >> 27) & 0x1ULL & UMC_V12_0_HASH_2M) ^ \
+				(((pa)  >> 34) & 0x1ULL & UMC_V12_0_HASH_1G) ^ \
+				(((pa)  >> 41) & 0x1ULL & UMC_V12_0_HASH_1T))
+#define UMC_V12_0_CHANNEL_HASH_CH5(channel_idx, pa) ((((channel_idx) >> 6) & 0x1) ^ \
+				(((pa)  >> 21) & 0x1ULL & UMC_V12_0_HASH_64K) ^ \
+				(((pa)  >> 28) & 0x1ULL & UMC_V12_0_HASH_2M) ^ \
+				(((pa)  >> 35) & 0x1ULL & UMC_V12_0_HASH_1G) ^ \
+				(((pa)  >> 42) & 0x1ULL & UMC_V12_0_HASH_1T))
+#define UMC_V12_0_CHANNEL_HASH_CH6(channel_idx, pa) ((((channel_idx) >> 4) & 0x1) ^ \
+				(((pa)  >> 19) & 0x1ULL & UMC_V12_0_HASH_64K) ^ \
+				(((pa)  >> 26) & 0x1ULL & UMC_V12_0_HASH_2M) ^ \
+				(((pa)  >> 33) & 0x1ULL & UMC_V12_0_HASH_1G) ^ \
+				(((pa)  >> 40) & 0x1ULL & UMC_V12_0_HASH_1T) ^ \
+				(((pa)  >> 47) & 0x1ULL & UMC_V12_0_HASH_1T))
+#define UMC_V12_0_SET_CHANNEL_HASH(channel_idx, pa) do { \
+		(pa) &= ~(0x7ULL << UMC_V12_0_PA_CH4_BIT); \
+		(pa) |= (UMC_V12_0_CHANNEL_HASH_CH4(channel_idx, pa) << UMC_V12_0_PA_CH4_BIT); \
+		(pa) |= (UMC_V12_0_CHANNEL_HASH_CH5(channel_idx, pa) << UMC_V12_0_PA_CH5_BIT); \
+		(pa) |= (UMC_V12_0_CHANNEL_HASH_CH6(channel_idx, pa) << UMC_V12_0_PA_CH6_BIT); \
+	} while (0)
+
+
+/*
+ * (addr / 256) * 4096, the higher 26 bits in ErrorAddr
+ * is the index of 4KB block
+ */
+#define ADDR_OF_4KB_BLOCK(addr)			(((addr) & ~0xffULL) << 4)
+/*
+ * (addr / 256) * 8192, the higher 26 bits in ErrorAddr
+ * is the index of 8KB block
+ */
+#define ADDR_OF_8KB_BLOCK(addr)			(((addr) & ~0xffULL) << 5)
+/*
+ * (addr / 256) * 32768, the higher 26 bits in ErrorAddr
+ * is the index of 8KB block
+ */
+#define ADDR_OF_32KB_BLOCK(addr)			(((addr) & ~0xffULL) << 7)
+/* channel index is the index of 256B block */
+#define ADDR_OF_256B_BLOCK(channel_index)	((channel_index) << 8)
+/* offset in 256B block */
+#define OFFSET_IN_256B_BLOCK(addr)		((addr) & 0xffULL)
+
+
+#define UMC_V12_ADDR_MASK_BAD_COLS(addr) \
+	((addr) & ~((0x3ULL << UMC_V12_0_PA_C2_BIT) | \
+			(0x1ULL << UMC_V12_0_PA_C4_BIT) | \
+			(0x1ULL << UMC_V12_0_PA_R13_BIT)))
+
+#define ACA_IPID_HI_2_UMC_AID(_ipid_hi) (((_ipid_hi) >> 2) & 0x3)
+#define ACA_IPID_LO_2_UMC_CH(_ipid_lo)  \
+	(((((_ipid_lo) >> 20) & 0x1) * 4) + (((_ipid_lo) >> 12) & 0xF))
+#define ACA_IPID_LO_2_UMC_INST(_ipid_lo) (((_ipid_lo) >> 21) & 0x7)
+
+#define ACA_IPID_2_DIE_ID(ipid)  ((REG_GET_FIELD(ipid, MCMP1_IPIDT0, InstanceIdHi) >> 2) & 0x03)
+#define ACA_IPID_2_UMC_CH(ipid) \
+	(ACA_IPID_LO_2_UMC_CH(REG_GET_FIELD(ipid, MCMP1_IPIDT0, InstanceIdLo)))
+
+#define ACA_IPID_2_UMC_INST(ipid) \
+	(ACA_IPID_LO_2_UMC_INST(REG_GET_FIELD(ipid, MCMP1_IPIDT0, InstanceIdLo)))
+
+#define ACA_IPID_2_SOCKET_ID(ipid) \
+	(((REG_GET_FIELD(ipid, MCMP1_IPIDT0, InstanceIdLo) & 0x1) << 2) | \
+	 (REG_GET_FIELD(ipid, MCMP1_IPIDT0, InstanceIdHi) & 0x03))
+
+#define ACA_ADDR_2_ERR_ADDR(addr) \
+	REG_GET_FIELD(addr, MCA_UMC_UMC0_MCUMC_ADDRT0, ErrorAddr)
+
+/* R13 bit shift should be considered, double the number */
+#define UMC_V12_0_BAD_PAGE_NUM_PER_CHANNEL (UMC_V12_0_NA_MAP_PA_NUM * 2)
+
+
+/* C2, C3, C4, R13, four MCA bits are looped in page retirement */
+#define UMC_V12_0_RETIRE_LOOP_BITS 4
+
+/* invalid node instance value */
+#define UMC_INV_AID_NODE 0xffff
+
+#define UMC_V12_0_AID_NUM_MAX     4
+#define UMC_V12_0_SOCKET_NUM_MAX  8
+
+#define UMC_V12_0_TOTAL_CHANNEL_NUM \
+	(UMC_V12_0_AID_NUM_MAX * UMC_V12_0_UMC_INSTANCE_NUM * UMC_V12_0_CHANNEL_INSTANCE_NUM)
+
+/* one device has 192GB HBM */
+#define SOCKET_LFB_SIZE   0x3000000000ULL
+
+extern const struct ras_umc_ip_func ras_umc_func_v12_0;
+
+int ras_umc_get_badpage_count(struct ras_core_context *ras_core);
+int ras_umc_get_badpage_record(struct ras_core_context *ras_core, uint32_t index, void *record);
+#endif
+