1// SPDX-License-Identifier: MIT
  2/* Copyright 2021 Advanced Micro Devices, Inc.
  3 *
  4 * Permission is hereby granted, free of charge, to any person obtaining a
  5 * copy of this software and associated documentation files (the "Software"),
  6 * to deal in the Software without restriction, including without limitation
  7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8 * and/or sell copies of the Software, and to permit persons to whom the
  9 * Software is furnished to do so, subject to the following conditions:
 10 *
 11 * The above copyright notice and this permission notice shall be included in
 12 * all copies or substantial portions of the Software.
 13 *
 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 20 * OTHER DEALINGS IN THE SOFTWARE.
 21 *
 22 * Authors: David Nieto
 23 *          Roy Sun
 24 */
 25
 26#include <linux/debugfs.h>
 27#include <linux/list.h>
 28#include <linux/module.h>
 29#include <linux/uaccess.h>
 30#include <linux/reboot.h>
 31#include <linux/syscalls.h>
 32
 33#include <drm/amdgpu_drm.h>
 34#include <drm/drm_debugfs.h>
 35#include <drm/drm_drv.h>
 36
 37#include "amdgpu.h"
 38#include "amdgpu_vm.h"
 39#include "amdgpu_gem.h"
 40#include "amdgpu_ctx.h"
 41#include "amdgpu_fdinfo.h"
 42
 43
 44static const char *amdgpu_ip_name[AMDGPU_HW_IP_NUM] = {
 45	[AMDGPU_HW_IP_GFX]	=	"gfx",
 46	[AMDGPU_HW_IP_COMPUTE]	=	"compute",
 47	[AMDGPU_HW_IP_DMA]	=	"dma",
 48	[AMDGPU_HW_IP_UVD]	=	"dec",
 49	[AMDGPU_HW_IP_VCE]	=	"enc",
 50	[AMDGPU_HW_IP_UVD_ENC]	=	"enc_1",
 51	[AMDGPU_HW_IP_VCN_DEC]	=	"dec",
 52	[AMDGPU_HW_IP_VCN_ENC]	=	"enc",
 53	[AMDGPU_HW_IP_VCN_JPEG]	=	"jpeg",
 54	[AMDGPU_HW_IP_VPE]	=	"vpe",
 55};
 56
 57void amdgpu_show_fdinfo(struct drm_printer *p, struct drm_file *file)
 58{
 59	struct amdgpu_fpriv *fpriv = file->driver_priv;
 60	struct amdgpu_vm *vm = &fpriv->vm;
 61
 62	struct amdgpu_mem_stats stats;
 63	ktime_t usage[AMDGPU_HW_IP_NUM];
 64	unsigned int hw_ip;
 65	int ret;
 66
 67	memset(&stats, 0, sizeof(stats));
 68
 69	ret = amdgpu_bo_reserve(vm->root.bo, false);
 70	if (ret)
 71		return;
 72
 73	amdgpu_vm_get_memory(vm, &stats);
 74	amdgpu_bo_unreserve(vm->root.bo);
 75
 76	amdgpu_ctx_mgr_usage(&fpriv->ctx_mgr, usage);
 77
 78	/*
 79	 * ******************************************************************
 80	 * For text output format description please see drm-usage-stats.rst!
 81	 * ******************************************************************
 82	 */
 83
 84	drm_printf(p, "pasid:\t%u\n", fpriv->vm.pasid);
 85	drm_printf(p, "drm-memory-vram:\t%llu KiB\n", stats.vram/1024UL);
 86	drm_printf(p, "drm-memory-gtt: \t%llu KiB\n", stats.gtt/1024UL);
 87	drm_printf(p, "drm-memory-cpu: \t%llu KiB\n", stats.cpu/1024UL);
 88	drm_printf(p, "amd-memory-visible-vram:\t%llu KiB\n",
 89		   stats.visible_vram/1024UL);
 90	drm_printf(p, "amd-evicted-vram:\t%llu KiB\n",
 91		   stats.evicted_vram/1024UL);
 92	drm_printf(p, "amd-evicted-visible-vram:\t%llu KiB\n",
 93		   stats.evicted_visible_vram/1024UL);
 94	drm_printf(p, "amd-requested-vram:\t%llu KiB\n",
 95		   stats.requested_vram/1024UL);
 96	drm_printf(p, "amd-requested-visible-vram:\t%llu KiB\n",
 97		   stats.requested_visible_vram/1024UL);
 98	drm_printf(p, "amd-requested-gtt:\t%llu KiB\n",
 99		   stats.requested_gtt/1024UL);
100	drm_printf(p, "drm-shared-vram:\t%llu KiB\n", stats.vram_shared/1024UL);
101	drm_printf(p, "drm-shared-gtt:\t%llu KiB\n", stats.gtt_shared/1024UL);
102	drm_printf(p, "drm-shared-cpu:\t%llu KiB\n", stats.cpu_shared/1024UL);
103
104	for (hw_ip = 0; hw_ip < AMDGPU_HW_IP_NUM; ++hw_ip) {
105		if (!usage[hw_ip])
106			continue;
107
108		drm_printf(p, "drm-engine-%s:\t%lld ns\n", amdgpu_ip_name[hw_ip],
109			   ktime_to_ns(usage[hw_ip]));
110	}
111}