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 36 #include "amdgpu.h" 37 #include "amdgpu_vm.h" 38 #include "amdgpu_gem.h" 39 #include "amdgpu_ctx.h" 40 #include "amdgpu_fdinfo.h" 41 42 43 static const char *amdgpu_ip_name[AMDGPU_HW_IP_NUM] = { 44 [AMDGPU_HW_IP_GFX] = "gfx", 45 [AMDGPU_HW_IP_COMPUTE] = "compute", 46 [AMDGPU_HW_IP_DMA] = "dma", 47 [AMDGPU_HW_IP_UVD] = "dec", 48 [AMDGPU_HW_IP_VCE] = "enc", 49 [AMDGPU_HW_IP_UVD_ENC] = "enc_1", 50 [AMDGPU_HW_IP_VCN_DEC] = "dec", 51 [AMDGPU_HW_IP_VCN_ENC] = "enc", 52 [AMDGPU_HW_IP_VCN_JPEG] = "jpeg", 53 }; 54 55 void amdgpu_show_fdinfo(struct seq_file *m, struct file *f) 56 { 57 struct amdgpu_fpriv *fpriv; 58 uint32_t bus, dev, fn, i, domain; 59 uint64_t vram_mem = 0, gtt_mem = 0, cpu_mem = 0; 60 struct drm_file *file = f->private_data; 61 struct amdgpu_device *adev = drm_to_adev(file->minor->dev); 62 struct amdgpu_bo *root; 63 int ret; 64 65 ret = amdgpu_file_to_fpriv(f, &fpriv); 66 if (ret) 67 return; 68 bus = adev->pdev->bus->number; 69 domain = pci_domain_nr(adev->pdev->bus); 70 dev = PCI_SLOT(adev->pdev->devfn); 71 fn = PCI_FUNC(adev->pdev->devfn); 72 73 root = amdgpu_bo_ref(fpriv->vm.root.bo); 74 if (!root) 75 return; 76 77 ret = amdgpu_bo_reserve(root, false); 78 if (ret) { 79 DRM_ERROR("Fail to reserve bo\n"); 80 return; 81 } 82 amdgpu_vm_get_memory(&fpriv->vm, &vram_mem, >t_mem, &cpu_mem); 83 amdgpu_bo_unreserve(root); 84 amdgpu_bo_unref(&root); 85 86 seq_printf(m, "pdev:\t%04x:%02x:%02x.%d\npasid:\t%u\n", domain, bus, 87 dev, fn, fpriv->vm.pasid); 88 seq_printf(m, "vram mem:\t%llu kB\n", vram_mem/1024UL); 89 seq_printf(m, "gtt mem:\t%llu kB\n", gtt_mem/1024UL); 90 seq_printf(m, "cpu mem:\t%llu kB\n", cpu_mem/1024UL); 91 for (i = 0; i < AMDGPU_HW_IP_NUM; i++) { 92 uint32_t count = amdgpu_ctx_num_entities[i]; 93 int idx = 0; 94 uint64_t total = 0, min = 0; 95 uint32_t perc, frac; 96 97 for (idx = 0; idx < count; idx++) { 98 total = amdgpu_ctx_mgr_fence_usage(&fpriv->ctx_mgr, 99 i, idx, &min); 100 if ((total == 0) || (min == 0)) 101 continue; 102 103 perc = div64_u64(10000 * total, min); 104 frac = perc % 100; 105 106 seq_printf(m, "%s%d:\t%d.%d%%\n", 107 amdgpu_ip_name[i], 108 idx, perc/100, frac); 109 } 110 } 111 } 112