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// 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 "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",
};
void amdgpu_show_fdinfo(struct seq_file *m, struct file *f)
{
struct drm_file *file = f->private_data;
struct amdgpu_device *adev = drm_to_adev(file->minor->dev);
struct amdgpu_fpriv *fpriv = file->driver_priv;
struct amdgpu_vm *vm = &fpriv->vm;
struct amdgpu_mem_stats stats;
ktime_t usage[AMDGPU_HW_IP_NUM];
uint32_t bus, dev, fn, domain;
unsigned int hw_ip;
int ret;
memset(&stats, 0, sizeof(stats));
bus = adev->pdev->bus->number;
domain = pci_domain_nr(adev->pdev->bus);
dev = PCI_SLOT(adev->pdev->devfn);
fn = PCI_FUNC(adev->pdev->devfn);
ret = amdgpu_bo_reserve(vm->root.bo, false);
if (ret)
return;
amdgpu_vm_get_memory(vm, &stats);
amdgpu_bo_unreserve(vm->root.bo);
amdgpu_ctx_mgr_usage(&fpriv->ctx_mgr, usage);
/*
* ******************************************************************
* For text output format description please see drm-usage-stats.rst!
* ******************************************************************
*/
seq_printf(m, "pasid:\t%u\n", fpriv->vm.pasid);
seq_printf(m, "drm-driver:\t%s\n", file->minor->dev->driver->name);
seq_printf(m, "drm-pdev:\t%04x:%02x:%02x.%d\n", domain, bus, dev, fn);
seq_printf(m, "drm-client-id:\t%Lu\n", vm->immediate.fence_context);
seq_printf(m, "drm-memory-vram:\t%llu KiB\n", stats.vram/1024UL);
seq_printf(m, "drm-memory-gtt: \t%llu KiB\n", stats.gtt/1024UL);
seq_printf(m, "drm-memory-cpu: \t%llu KiB\n", stats.cpu/1024UL);
seq_printf(m, "amd-memory-visible-vram:\t%llu KiB\n",
stats.visible_vram/1024UL);
seq_printf(m, "amd-evicted-vram:\t%llu KiB\n",
stats.evicted_vram/1024UL);
seq_printf(m, "amd-evicted-visible-vram:\t%llu KiB\n",
stats.evicted_visible_vram/1024UL);
seq_printf(m, "amd-requested-vram:\t%llu KiB\n",
stats.requested_vram/1024UL);
seq_printf(m, "amd-requested-visible-vram:\t%llu KiB\n",
stats.requested_visible_vram/1024UL);
seq_printf(m, "amd-requested-gtt:\t%llu KiB\n",
stats.requested_gtt/1024UL);
for (hw_ip = 0; hw_ip < AMDGPU_HW_IP_NUM; ++hw_ip) {
if (!usage[hw_ip])
continue;
seq_printf(m, "drm-engine-%s:\t%Ld ns\n", amdgpu_ip_name[hw_ip],
ktime_to_ns(usage[hw_ip]));
}
}
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