// SPDX-License-Identifier: MIT/* Copyright 2021 Advanced Micro Devices, 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: David Nieto *          Roy Sun */ #include <linux/debugfs.h>#include <linux/list.h>#include <linux/module.h>#include <linux/uaccess.h>#include <linux/reboot.h>#include <linux/syscalls.h> #include <drm/amdgpu_drm.h>#include <drm/drm_debugfs.h>#include <drm/drm_drv.h>#include <drm/drm_file.h> #include "amdgpu.h"#include "amdgpu_vm.h"#include "amdgpu_gem.h"#include "amdgpu_ctx.h"#include "amdgpu_fdinfo.h"  static const char *amdgpu_ip_name[AMDGPU_HW_IP_NUM] = {	[AMDGPU_HW_IP_GFX]	=	"gfx",	[AMDGPU_HW_IP_COMPUTE]	=	"compute",	[AMDGPU_HW_IP_DMA]	=	"dma",	[AMDGPU_HW_IP_UVD]	=	"dec",	[AMDGPU_HW_IP_VCE]	=	"enc",	[AMDGPU_HW_IP_UVD_ENC]	=	"enc_1",	[AMDGPU_HW_IP_VCN_DEC]	=	"dec",	[AMDGPU_HW_IP_VCN_ENC]	=	"enc",	[AMDGPU_HW_IP_VCN_JPEG]	=	"jpeg",	[AMDGPU_HW_IP_VPE]	=	"vpe",}; void amdgpu_show_fdinfo(struct drm_printer *p, struct drm_file *file){	struct amdgpu_fpriv *fpriv = file->driver_priv;	struct amdgpu_vm *vm = &fpriv->vm; 	struct amdgpu_mem_stats stats[__AMDGPU_PL_NUM];	ktime_t usage[AMDGPU_HW_IP_NUM];	const char *pl_name[] = {		[TTM_PL_VRAM] = "vram",		[TTM_PL_TT] = "gtt",		[TTM_PL_SYSTEM] = "cpu",		[AMDGPU_PL_GDS] = "gds",		[AMDGPU_PL_GWS] = "gws",		[AMDGPU_PL_OA] = "oa",		[AMDGPU_PL_DOORBELL] = "doorbell",		[AMDGPU_PL_MMIO_REMAP] = "mmioremap",	};	unsigned int hw_ip, i; 	amdgpu_vm_get_memory(vm, stats);	amdgpu_ctx_mgr_usage(&fpriv->ctx_mgr, usage); 	/*	 * ******************************************************************	 * For text output format description please see drm-usage-stats.rst!	 * ******************************************************************	 */ 	drm_printf(p, "pasid:\t%u\n", fpriv->vm.pasid); 	for (i = 0; i < ARRAY_SIZE(pl_name); i++) {		if (!pl_name[i])			continue; 		drm_print_memory_stats(p,				       &stats[i].drm,				       DRM_GEM_OBJECT_RESIDENT |				       DRM_GEM_OBJECT_PURGEABLE,				       pl_name[i]);	} 	/* Legacy amdgpu keys, alias to drm-resident-memory-: */	drm_printf(p, "drm-memory-vram:\t%llu KiB\n",		   stats[TTM_PL_VRAM].drm.resident/1024UL);	drm_printf(p, "drm-memory-gtt: \t%llu KiB\n",		   stats[TTM_PL_TT].drm.resident/1024UL);	drm_printf(p, "drm-memory-cpu: \t%llu KiB\n",		   stats[TTM_PL_SYSTEM].drm.resident/1024UL); 	/* Amdgpu specific memory accounting keys: */	drm_printf(p, "amd-evicted-vram:\t%llu KiB\n",		   stats[TTM_PL_VRAM].evicted/1024UL);	drm_printf(p, "amd-requested-vram:\t%llu KiB\n",		   (stats[TTM_PL_VRAM].drm.shared +		    stats[TTM_PL_VRAM].drm.private) / 1024UL);	drm_printf(p, "amd-requested-gtt:\t%llu KiB\n",		   (stats[TTM_PL_TT].drm.shared +		    stats[TTM_PL_TT].drm.private) / 1024UL); 	for (hw_ip = 0; hw_ip < AMDGPU_HW_IP_NUM; ++hw_ip) {		if (!usage[hw_ip])			continue; 		drm_printf(p, "drm-engine-%s:\t%lld ns\n", amdgpu_ip_name[hw_ip],			   ktime_to_ns(usage[hw_ip]));	}}