Resguardo inicial

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/top/Kbuild

@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: MIT
+nvkm-y += nvkm/subdev/top/base.o
+nvkm-y += nvkm/subdev/top/gk104.o
+nvkm-y += nvkm/subdev/top/ga100.o

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/top/base.c

@@ -0,0 +1,161 @@
+/*
+ * Copyright 2016 Red Hat 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.
+ *
+ * Authors: Ben Skeggs <bskeggs@redhat.com>
+ */
+#include "priv.h"
+
+struct nvkm_top_device *
+nvkm_top_device_new(struct nvkm_top *top)
+{
+	struct nvkm_top_device *info = kmalloc_obj(*info);
+	if (info) {
+		info->type = NVKM_SUBDEV_NR;
+		info->inst = -1;
+		info->addr = 0;
+		info->fault = -1;
+		info->engine = -1;
+		info->runlist = -1;
+		info->reset = -1;
+		info->intr = -1;
+		list_add_tail(&info->head, &top->device);
+	}
+	return info;
+}
+
+u32
+nvkm_top_addr(struct nvkm_device *device, enum nvkm_subdev_type type, int inst)
+{
+	struct nvkm_top *top = device->top;
+	struct nvkm_top_device *info;
+
+	if (top) {
+		list_for_each_entry(info, &top->device, head) {
+			if (info->type == type && info->inst == inst)
+				return info->addr;
+		}
+	}
+
+	return 0;
+}
+
+u32
+nvkm_top_reset(struct nvkm_device *device, enum nvkm_subdev_type type, int inst)
+{
+	struct nvkm_top *top = device->top;
+	struct nvkm_top_device *info;
+
+	if (top) {
+		list_for_each_entry(info, &top->device, head) {
+			if (info->type == type && info->inst == inst && info->reset >= 0)
+				return BIT(info->reset);
+		}
+	}
+
+	return 0;
+}
+
+u32
+nvkm_top_intr_mask(struct nvkm_device *device, enum nvkm_subdev_type type, int inst)
+{
+	struct nvkm_top *top = device->top;
+	struct nvkm_top_device *info;
+
+	if (top) {
+		list_for_each_entry(info, &top->device, head) {
+			if (info->type == type && info->inst == inst && info->intr >= 0)
+				return BIT(info->intr);
+		}
+	}
+
+	return 0;
+}
+
+int
+nvkm_top_fault_id(struct nvkm_device *device, enum nvkm_subdev_type type, int inst)
+{
+	struct nvkm_top *top = device->top;
+	struct nvkm_top_device *info;
+
+	list_for_each_entry(info, &top->device, head) {
+		if (info->type == type && info->inst == inst && info->fault >= 0)
+			return info->fault;
+	}
+
+	return -ENOENT;
+}
+
+struct nvkm_subdev *
+nvkm_top_fault(struct nvkm_device *device, int fault)
+{
+	struct nvkm_top *top = device->top;
+	struct nvkm_top_device *info;
+
+	list_for_each_entry(info, &top->device, head) {
+		if (info->fault == fault)
+			return nvkm_device_subdev(device, info->type, info->inst);
+	}
+
+	return NULL;
+}
+
+int
+nvkm_top_parse(struct nvkm_device *device)
+{
+	struct nvkm_top *top = device->top;
+
+	if (!top || !list_empty(&top->device))
+		return 0;
+
+	return top->func->parse(top);
+}
+
+static void *
+nvkm_top_dtor(struct nvkm_subdev *subdev)
+{
+	struct nvkm_top *top = nvkm_top(subdev);
+	struct nvkm_top_device *info, *temp;
+
+	list_for_each_entry_safe(info, temp, &top->device, head) {
+		list_del(&info->head);
+		kfree(info);
+	}
+
+	return top;
+}
+
+static const struct nvkm_subdev_func
+nvkm_top = {
+	.dtor = nvkm_top_dtor,
+};
+
+int
+nvkm_top_new_(const struct nvkm_top_func *func, struct nvkm_device *device,
+	      enum nvkm_subdev_type type, int inst, struct nvkm_top **ptop)
+{
+	struct nvkm_top *top;
+	if (!(top = *ptop = kzalloc_obj(*top)))
+		return -ENOMEM;
+	nvkm_subdev_ctor(&nvkm_top, device, type, inst, &top->subdev);
+	top->func = func;
+	INIT_LIST_HEAD(&top->device);
+	return 0;
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c

@@ -0,0 +1,113 @@
+/*
+ * Copyright 2021 Red Hat 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 "priv.h"
+
+#include <subdev/gsp.h>
+
+static int
+ga100_top_parse(struct nvkm_top *top)
+{
+	struct nvkm_subdev *subdev = &top->subdev;
+	struct nvkm_device *device = subdev->device;
+	struct nvkm_top_device *info = NULL;
+	u32 data, type, inst;
+	int i, n, size = nvkm_rd32(device, 0x0224fc) >> 20;
+
+	for (i = 0, n = 0; i < size; i++) {
+		if (!info) {
+			if (!(info = nvkm_top_device_new(top)))
+				return -ENOMEM;
+			type = ~0;
+			inst = 0;
+		}
+
+		data = nvkm_rd32(device, 0x022800 + (i * 0x04));
+		nvkm_trace(subdev, "%02x: %08x\n", i, data);
+		if (!data && n == 0)
+			continue;
+
+		switch (n++) {
+		case 0:
+			type	      = (data & 0x3f000000) >> 24;
+			inst	      = (data & 0x000f0000) >> 16;
+			info->fault   = (data & 0x0000007f);
+			break;
+		case 1:
+			info->addr    = (data & 0x00fff000);
+			info->reset   = (data & 0x0000001f);
+			break;
+		case 2:
+			info->runlist = (data & 0x00fffc00);
+			info->engine  = (data & 0x00000003);
+			break;
+		default:
+			break;
+		}
+
+		if (data & 0x80000000)
+			continue;
+		n = 0;
+
+		/* Translate engine type to NVKM engine identifier. */
+#define I_(T,I) do { info->type = (T); info->inst = (I); } while(0)
+#define O_(T,I) do { WARN_ON(inst); I_(T, I); } while (0)
+		switch (type) {
+		case 0x00000000: O_(NVKM_ENGINE_GR    ,    0); break;
+		case 0x0000000d: O_(NVKM_ENGINE_SEC2  ,    0); break;
+		case 0x0000000e: I_(NVKM_ENGINE_NVENC , inst); break;
+		case 0x00000010: I_(NVKM_ENGINE_NVDEC , inst); break;
+		case 0x00000012: I_(NVKM_SUBDEV_IOCTRL, inst); break;
+		case 0x00000013: I_(NVKM_ENGINE_CE    , inst); break;
+		case 0x00000014: O_(NVKM_SUBDEV_GSP   ,    0); break;
+		case 0x00000015: I_(NVKM_ENGINE_NVJPG , inst); break;
+		case 0x00000016: O_(NVKM_ENGINE_OFA   ,    0); break;
+		case 0x00000017: O_(NVKM_SUBDEV_FLA   ,    0); break;
+			break;
+		default:
+			break;
+		}
+
+		nvkm_debug(subdev, "%02x.%d (%8s): addr %06x fault %2d "
+				   "runlist %6x engine %2d reset %2d\n", type, inst,
+			   info->type == NVKM_SUBDEV_NR ? "????????" : nvkm_subdev_type[info->type],
+			   info->addr, info->fault, info->runlist < 0 ? 0 : info->runlist,
+			   info->engine, info->reset);
+		info = NULL;
+	}
+
+	return 0;
+}
+
+static const struct nvkm_top_func
+ga100_top = {
+	.parse = ga100_top_parse,
+};
+
+int
+ga100_top_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+	      struct nvkm_top **ptop)
+{
+	if (nvkm_gsp_rm(device->gsp))
+		return -ENODEV;
+
+	return nvkm_top_new_(&ga100_top, device, type, inst, ptop);
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c

@@ -0,0 +1,124 @@
+/*
+ * Copyright 2016 Red Hat 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.
+ *
+ * Authors: Ben Skeggs <bskeggs@redhat.com>
+ */
+#include "priv.h"
+
+#include <subdev/gsp.h>
+
+static int
+gk104_top_parse(struct nvkm_top *top)
+{
+	struct nvkm_subdev *subdev = &top->subdev;
+	struct nvkm_device *device = subdev->device;
+	struct nvkm_top_device *info = NULL;
+	u32 data, type, inst;
+	int i;
+
+	for (i = 0; i < 64; i++) {
+		if (!info) {
+			if (!(info = nvkm_top_device_new(top)))
+				return -ENOMEM;
+			type = ~0;
+			inst = 0;
+		}
+
+		data = nvkm_rd32(device, 0x022700 + (i * 0x04));
+		nvkm_trace(subdev, "%02x: %08x\n", i, data);
+		switch (data & 0x00000003) {
+		case 0x00000000: /* NOT_VALID */
+			continue;
+		case 0x00000001: /* DATA */
+			inst        = (data & 0x3c000000) >> 26;
+			info->addr  = (data & 0x00fff000);
+			if (data & 0x00000004)
+				info->fault = (data & 0x000003f8) >> 3;
+			break;
+		case 0x00000002: /* ENUM */
+			if (data & 0x00000020)
+				info->engine  = (data & 0x3c000000) >> 26;
+			if (data & 0x00000010)
+				info->runlist = (data & 0x01e00000) >> 21;
+			if (data & 0x00000008)
+				info->intr    = (data & 0x000f8000) >> 15;
+			if (data & 0x00000004)
+				info->reset   = (data & 0x00003e00) >> 9;
+			break;
+		case 0x00000003: /* ENGINE_TYPE */
+			type = (data & 0x7ffffffc) >> 2;
+			break;
+		}
+
+		if (data & 0x80000000)
+			continue;
+
+		/* Translate engine type to NVKM engine identifier. */
+#define I_(T,I) do { info->type = (T); info->inst = (I); } while(0)
+#define O_(T,I) do { WARN_ON(inst); I_(T, I); } while (0)
+		switch (type) {
+		case 0x00000000: O_(NVKM_ENGINE_GR    ,    0); break;
+		case 0x00000001: O_(NVKM_ENGINE_CE    ,    0); break;
+		case 0x00000002: O_(NVKM_ENGINE_CE    ,    1); break;
+		case 0x00000003: O_(NVKM_ENGINE_CE    ,    2); break;
+		case 0x00000008: O_(NVKM_ENGINE_MSPDEC,    0); break;
+		case 0x00000009: O_(NVKM_ENGINE_MSPPP ,    0); break;
+		case 0x0000000a: O_(NVKM_ENGINE_MSVLD ,    0); break;
+		case 0x0000000b: O_(NVKM_ENGINE_MSENC ,    0); break;
+		case 0x0000000c: O_(NVKM_ENGINE_VIC   ,    0); break;
+		case 0x0000000d: O_(NVKM_ENGINE_SEC2  ,    0); break;
+		case 0x0000000e: I_(NVKM_ENGINE_NVENC , inst); break;
+		case 0x0000000f: O_(NVKM_ENGINE_NVENC ,    1); break;
+		case 0x00000010: I_(NVKM_ENGINE_NVDEC , inst); break;
+		case 0x00000012: I_(NVKM_SUBDEV_IOCTRL, inst); break;
+		case 0x00000013: I_(NVKM_ENGINE_CE    , inst); break;
+		case 0x00000014: O_(NVKM_SUBDEV_GSP   ,    0); break;
+		case 0x00000015: I_(NVKM_ENGINE_NVJPG , inst); break;
+		default:
+			break;
+		}
+
+		nvkm_debug(subdev, "%02x.%d (%8s): addr %06x fault %2d "
+				   "engine %2d runlist %2d intr %2d "
+				   "reset %2d\n", type, inst,
+			   info->type == NVKM_SUBDEV_NR ? "????????" : nvkm_subdev_type[info->type],
+			   info->addr, info->fault, info->engine, info->runlist,
+			   info->intr, info->reset);
+		info = NULL;
+	}
+
+	return 0;
+}
+
+static const struct nvkm_top_func
+gk104_top = {
+	.parse = gk104_top_parse,
+};
+
+int
+gk104_top_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
+	      struct nvkm_top **ptop)
+{
+	if (nvkm_gsp_rm(device->gsp))
+		return -ENODEV;
+
+	return nvkm_top_new_(&gk104_top, device, type, inst, ptop);
+}

linux-7.2.3/drivers/gpu/drm/nouveau/nvkm/subdev/top/priv.h

@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: MIT */
+#ifndef __NVKM_TOP_PRIV_H__
+#define __NVKM_TOP_PRIV_H__
+#define nvkm_top(p) container_of((p), struct nvkm_top, subdev)
+#include <subdev/top.h>
+
+struct nvkm_top_func {
+	int (*parse)(struct nvkm_top *);
+};
+
+int nvkm_top_new_(const struct nvkm_top_func *, struct nvkm_device *, enum nvkm_subdev_type, int,
+		  struct nvkm_top **);
+
+struct nvkm_top_device *nvkm_top_device_new(struct nvkm_top *);
+#endif