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}
112