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 
44 static 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 };
55 
56 void amdgpu_show_fdinfo(struct drm_printer *p, struct drm_file *file)
57 {
58 	struct amdgpu_device *adev = drm_to_adev(file->minor->dev);
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 	uint32_t bus, dev, fn, domain;
65 	unsigned int hw_ip;
66 	int ret;
67 
68 	memset(&stats, 0, sizeof(stats));
69 	bus = adev->pdev->bus->number;
70 	domain = pci_domain_nr(adev->pdev->bus);
71 	dev = PCI_SLOT(adev->pdev->devfn);
72 	fn = PCI_FUNC(adev->pdev->devfn);
73 
74 	ret = amdgpu_bo_reserve(vm->root.bo, false);
75 	if (ret)
76 		return;
77 
78 	amdgpu_vm_get_memory(vm, &stats);
79 	amdgpu_bo_unreserve(vm->root.bo);
80 
81 	amdgpu_ctx_mgr_usage(&fpriv->ctx_mgr, usage);
82 
83 	/*
84 	 * ******************************************************************
85 	 * For text output format description please see drm-usage-stats.rst!
86 	 * ******************************************************************
87 	 */
88 
89 	drm_printf(p, "pasid:\t%u\n", fpriv->vm.pasid);
90 	drm_printf(p, "drm-driver:\t%s\n", file->minor->dev->driver->name);
91 	drm_printf(p, "drm-pdev:\t%04x:%02x:%02x.%d\n", domain, bus, dev, fn);
92 	drm_printf(p, "drm-client-id:\t%Lu\n", vm->immediate.fence_context);
93 	drm_printf(p, "drm-memory-vram:\t%llu KiB\n", stats.vram/1024UL);
94 	drm_printf(p, "drm-memory-gtt: \t%llu KiB\n", stats.gtt/1024UL);
95 	drm_printf(p, "drm-memory-cpu: \t%llu KiB\n", stats.cpu/1024UL);
96 	drm_printf(p, "amd-memory-visible-vram:\t%llu KiB\n",
97 		   stats.visible_vram/1024UL);
98 	drm_printf(p, "amd-evicted-vram:\t%llu KiB\n",
99 		   stats.evicted_vram/1024UL);
100 	drm_printf(p, "amd-evicted-visible-vram:\t%llu KiB\n",
101 		   stats.evicted_visible_vram/1024UL);
102 	drm_printf(p, "amd-requested-vram:\t%llu KiB\n",
103 		   stats.requested_vram/1024UL);
104 	drm_printf(p, "amd-requested-visible-vram:\t%llu KiB\n",
105 		   stats.requested_visible_vram/1024UL);
106 	drm_printf(p, "amd-requested-gtt:\t%llu KiB\n",
107 		   stats.requested_gtt/1024UL);
108 	for (hw_ip = 0; hw_ip < AMDGPU_HW_IP_NUM; ++hw_ip) {
109 		if (!usage[hw_ip])
110 			continue;
111 
112 		drm_printf(p, "drm-engine-%s:\t%Ld ns\n", amdgpu_ip_name[hw_ip],
113 			   ktime_to_ns(usage[hw_ip]));
114 	}
115 }
116