691 lines
18 KiB
C
691 lines
18 KiB
C
/*
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* Copyright 2014 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "amdgpu_amdkfd.h"
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#include "amd_shared.h"
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#include "amdgpu.h"
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#include "amdgpu_gfx.h"
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#include "amdgpu_dma_buf.h"
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#include <linux/module.h>
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#include <linux/dma-buf.h>
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#include "amdgpu_xgmi.h"
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#include <uapi/linux/kfd_ioctl.h>
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/* Total memory size in system memory and all GPU VRAM. Used to
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* estimate worst case amount of memory to reserve for page tables
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*/
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uint64_t amdgpu_amdkfd_total_mem_size;
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static bool kfd_initialized;
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int amdgpu_amdkfd_init(void)
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{
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struct sysinfo si;
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int ret;
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si_meminfo(&si);
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amdgpu_amdkfd_total_mem_size = si.freeram - si.freehigh;
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amdgpu_amdkfd_total_mem_size *= si.mem_unit;
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ret = kgd2kfd_init();
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amdgpu_amdkfd_gpuvm_init_mem_limits();
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kfd_initialized = !ret;
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return ret;
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}
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void amdgpu_amdkfd_fini(void)
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{
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if (kfd_initialized) {
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kgd2kfd_exit();
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kfd_initialized = false;
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}
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}
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void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev)
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{
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bool vf = amdgpu_sriov_vf(adev);
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if (!kfd_initialized)
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return;
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adev->kfd.dev = kgd2kfd_probe((struct kgd_dev *)adev,
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adev->pdev, adev->asic_type, vf);
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if (adev->kfd.dev)
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amdgpu_amdkfd_total_mem_size += adev->gmc.real_vram_size;
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}
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/**
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* amdgpu_doorbell_get_kfd_info - Report doorbell configuration required to
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* setup amdkfd
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*
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* @adev: amdgpu_device pointer
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* @aperture_base: output returning doorbell aperture base physical address
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* @aperture_size: output returning doorbell aperture size in bytes
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* @start_offset: output returning # of doorbell bytes reserved for amdgpu.
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*
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* amdgpu and amdkfd share the doorbell aperture. amdgpu sets it up,
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* takes doorbells required for its own rings and reports the setup to amdkfd.
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* amdgpu reserved doorbells are at the start of the doorbell aperture.
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*/
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static void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev,
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phys_addr_t *aperture_base,
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size_t *aperture_size,
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size_t *start_offset)
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{
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/*
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* The first num_doorbells are used by amdgpu.
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* amdkfd takes whatever's left in the aperture.
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*/
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if (adev->doorbell.size > adev->doorbell.num_doorbells * sizeof(u32)) {
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*aperture_base = adev->doorbell.base;
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*aperture_size = adev->doorbell.size;
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*start_offset = adev->doorbell.num_doorbells * sizeof(u32);
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} else {
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*aperture_base = 0;
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*aperture_size = 0;
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*start_offset = 0;
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}
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}
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void amdgpu_amdkfd_device_init(struct amdgpu_device *adev)
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{
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int i;
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int last_valid_bit;
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if (adev->kfd.dev) {
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struct kgd2kfd_shared_resources gpu_resources = {
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.compute_vmid_bitmap =
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((1 << AMDGPU_NUM_VMID) - 1) -
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((1 << adev->vm_manager.first_kfd_vmid) - 1),
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.num_pipe_per_mec = adev->gfx.mec.num_pipe_per_mec,
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.num_queue_per_pipe = adev->gfx.mec.num_queue_per_pipe,
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.gpuvm_size = min(adev->vm_manager.max_pfn
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<< AMDGPU_GPU_PAGE_SHIFT,
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AMDGPU_GMC_HOLE_START),
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.drm_render_minor = adev_to_drm(adev)->render->index,
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.sdma_doorbell_idx = adev->doorbell_index.sdma_engine,
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};
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/* this is going to have a few of the MSBs set that we need to
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* clear
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*/
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bitmap_complement(gpu_resources.cp_queue_bitmap,
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adev->gfx.mec.queue_bitmap,
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KGD_MAX_QUEUES);
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/* According to linux/bitmap.h we shouldn't use bitmap_clear if
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* nbits is not compile time constant
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*/
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last_valid_bit = 1 /* only first MEC can have compute queues */
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* adev->gfx.mec.num_pipe_per_mec
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* adev->gfx.mec.num_queue_per_pipe;
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for (i = last_valid_bit; i < KGD_MAX_QUEUES; ++i)
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clear_bit(i, gpu_resources.cp_queue_bitmap);
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amdgpu_doorbell_get_kfd_info(adev,
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&gpu_resources.doorbell_physical_address,
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&gpu_resources.doorbell_aperture_size,
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&gpu_resources.doorbell_start_offset);
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/* Since SOC15, BIF starts to statically use the
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* lower 12 bits of doorbell addresses for routing
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* based on settings in registers like
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* SDMA0_DOORBELL_RANGE etc..
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* In order to route a doorbell to CP engine, the lower
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* 12 bits of its address has to be outside the range
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* set for SDMA, VCN, and IH blocks.
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*/
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if (adev->asic_type >= CHIP_VEGA10) {
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gpu_resources.non_cp_doorbells_start =
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adev->doorbell_index.first_non_cp;
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gpu_resources.non_cp_doorbells_end =
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adev->doorbell_index.last_non_cp;
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}
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adev->kfd.init_complete = kgd2kfd_device_init(adev->kfd.dev,
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adev_to_drm(adev), &gpu_resources);
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}
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}
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void amdgpu_amdkfd_device_fini(struct amdgpu_device *adev)
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{
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if (adev->kfd.dev) {
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kgd2kfd_device_exit(adev->kfd.dev);
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adev->kfd.dev = NULL;
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}
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}
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void amdgpu_amdkfd_interrupt(struct amdgpu_device *adev,
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const void *ih_ring_entry)
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{
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if (adev->kfd.dev)
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kgd2kfd_interrupt(adev->kfd.dev, ih_ring_entry);
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}
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void amdgpu_amdkfd_suspend(struct amdgpu_device *adev, bool run_pm)
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{
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if (adev->kfd.dev)
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kgd2kfd_suspend(adev->kfd.dev, run_pm);
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}
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int amdgpu_amdkfd_resume(struct amdgpu_device *adev, bool run_pm)
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{
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int r = 0;
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if (adev->kfd.dev)
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r = kgd2kfd_resume(adev->kfd.dev, run_pm);
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return r;
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}
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int amdgpu_amdkfd_pre_reset(struct amdgpu_device *adev)
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{
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int r = 0;
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if (adev->kfd.dev)
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r = kgd2kfd_pre_reset(adev->kfd.dev);
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return r;
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}
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int amdgpu_amdkfd_post_reset(struct amdgpu_device *adev)
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{
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int r = 0;
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if (adev->kfd.dev)
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r = kgd2kfd_post_reset(adev->kfd.dev);
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return r;
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}
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void amdgpu_amdkfd_gpu_reset(struct kgd_dev *kgd)
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{
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struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
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if (amdgpu_device_should_recover_gpu(adev))
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amdgpu_device_gpu_recover(adev, NULL);
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}
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int amdgpu_amdkfd_alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
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void **mem_obj, uint64_t *gpu_addr,
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void **cpu_ptr, bool cp_mqd_gfx9)
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{
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struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
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struct amdgpu_bo *bo = NULL;
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struct amdgpu_bo_param bp;
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int r;
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void *cpu_ptr_tmp = NULL;
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memset(&bp, 0, sizeof(bp));
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bp.size = size;
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bp.byte_align = PAGE_SIZE;
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bp.domain = AMDGPU_GEM_DOMAIN_GTT;
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bp.flags = AMDGPU_GEM_CREATE_CPU_GTT_USWC;
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bp.type = ttm_bo_type_kernel;
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bp.resv = NULL;
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bp.bo_ptr_size = sizeof(struct amdgpu_bo);
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if (cp_mqd_gfx9)
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bp.flags |= AMDGPU_GEM_CREATE_CP_MQD_GFX9;
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r = amdgpu_bo_create(adev, &bp, &bo);
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if (r) {
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dev_err(adev->dev,
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"failed to allocate BO for amdkfd (%d)\n", r);
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return r;
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}
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/* map the buffer */
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r = amdgpu_bo_reserve(bo, true);
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if (r) {
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dev_err(adev->dev, "(%d) failed to reserve bo for amdkfd\n", r);
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goto allocate_mem_reserve_bo_failed;
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}
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r = amdgpu_bo_pin(bo, AMDGPU_GEM_DOMAIN_GTT);
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if (r) {
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dev_err(adev->dev, "(%d) failed to pin bo for amdkfd\n", r);
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goto allocate_mem_pin_bo_failed;
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}
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r = amdgpu_ttm_alloc_gart(&bo->tbo);
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if (r) {
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dev_err(adev->dev, "%p bind failed\n", bo);
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goto allocate_mem_kmap_bo_failed;
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}
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r = amdgpu_bo_kmap(bo, &cpu_ptr_tmp);
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if (r) {
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dev_err(adev->dev,
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"(%d) failed to map bo to kernel for amdkfd\n", r);
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goto allocate_mem_kmap_bo_failed;
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}
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*mem_obj = bo;
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*gpu_addr = amdgpu_bo_gpu_offset(bo);
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*cpu_ptr = cpu_ptr_tmp;
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amdgpu_bo_unreserve(bo);
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return 0;
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allocate_mem_kmap_bo_failed:
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amdgpu_bo_unpin(bo);
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allocate_mem_pin_bo_failed:
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amdgpu_bo_unreserve(bo);
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allocate_mem_reserve_bo_failed:
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amdgpu_bo_unref(&bo);
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return r;
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}
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void amdgpu_amdkfd_free_gtt_mem(struct kgd_dev *kgd, void *mem_obj)
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{
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struct amdgpu_bo *bo = (struct amdgpu_bo *) mem_obj;
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amdgpu_bo_reserve(bo, true);
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amdgpu_bo_kunmap(bo);
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amdgpu_bo_unpin(bo);
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amdgpu_bo_unreserve(bo);
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amdgpu_bo_unref(&(bo));
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}
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int amdgpu_amdkfd_alloc_gws(struct kgd_dev *kgd, size_t size,
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void **mem_obj)
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{
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struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
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struct amdgpu_bo *bo = NULL;
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struct amdgpu_bo_user *ubo;
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struct amdgpu_bo_param bp;
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int r;
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memset(&bp, 0, sizeof(bp));
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bp.size = size;
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bp.byte_align = 1;
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bp.domain = AMDGPU_GEM_DOMAIN_GWS;
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bp.flags = AMDGPU_GEM_CREATE_NO_CPU_ACCESS;
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bp.type = ttm_bo_type_device;
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bp.resv = NULL;
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bp.bo_ptr_size = sizeof(struct amdgpu_bo);
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r = amdgpu_bo_create_user(adev, &bp, &ubo);
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if (r) {
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dev_err(adev->dev,
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"failed to allocate gws BO for amdkfd (%d)\n", r);
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return r;
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}
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bo = &ubo->bo;
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*mem_obj = bo;
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return 0;
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}
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void amdgpu_amdkfd_free_gws(struct kgd_dev *kgd, void *mem_obj)
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{
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struct amdgpu_bo *bo = (struct amdgpu_bo *)mem_obj;
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amdgpu_bo_unref(&bo);
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}
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uint32_t amdgpu_amdkfd_get_fw_version(struct kgd_dev *kgd,
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enum kgd_engine_type type)
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{
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struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
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switch (type) {
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case KGD_ENGINE_PFP:
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return adev->gfx.pfp_fw_version;
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case KGD_ENGINE_ME:
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return adev->gfx.me_fw_version;
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case KGD_ENGINE_CE:
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return adev->gfx.ce_fw_version;
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case KGD_ENGINE_MEC1:
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return adev->gfx.mec_fw_version;
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case KGD_ENGINE_MEC2:
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return adev->gfx.mec2_fw_version;
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case KGD_ENGINE_RLC:
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return adev->gfx.rlc_fw_version;
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case KGD_ENGINE_SDMA1:
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return adev->sdma.instance[0].fw_version;
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case KGD_ENGINE_SDMA2:
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return adev->sdma.instance[1].fw_version;
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default:
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return 0;
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}
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return 0;
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}
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void amdgpu_amdkfd_get_local_mem_info(struct kgd_dev *kgd,
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struct kfd_local_mem_info *mem_info)
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{
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struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
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memset(mem_info, 0, sizeof(*mem_info));
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mem_info->local_mem_size_public = adev->gmc.visible_vram_size;
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mem_info->local_mem_size_private = adev->gmc.real_vram_size -
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adev->gmc.visible_vram_size;
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mem_info->vram_width = adev->gmc.vram_width;
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pr_debug("Address base: %pap public 0x%llx private 0x%llx\n",
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&adev->gmc.aper_base,
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mem_info->local_mem_size_public,
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mem_info->local_mem_size_private);
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if (amdgpu_sriov_vf(adev))
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mem_info->mem_clk_max = adev->clock.default_mclk / 100;
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else if (adev->pm.dpm_enabled) {
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if (amdgpu_emu_mode == 1)
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mem_info->mem_clk_max = 0;
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else
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mem_info->mem_clk_max = amdgpu_dpm_get_mclk(adev, false) / 100;
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} else
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mem_info->mem_clk_max = 100;
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}
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uint64_t amdgpu_amdkfd_get_gpu_clock_counter(struct kgd_dev *kgd)
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{
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struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
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if (adev->gfx.funcs->get_gpu_clock_counter)
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return adev->gfx.funcs->get_gpu_clock_counter(adev);
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return 0;
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}
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uint32_t amdgpu_amdkfd_get_max_engine_clock_in_mhz(struct kgd_dev *kgd)
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{
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struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
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/* the sclk is in quantas of 10kHz */
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if (amdgpu_sriov_vf(adev))
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return adev->clock.default_sclk / 100;
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else if (adev->pm.dpm_enabled)
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return amdgpu_dpm_get_sclk(adev, false) / 100;
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else
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return 100;
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}
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void amdgpu_amdkfd_get_cu_info(struct kgd_dev *kgd, struct kfd_cu_info *cu_info)
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{
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struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
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struct amdgpu_cu_info acu_info = adev->gfx.cu_info;
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memset(cu_info, 0, sizeof(*cu_info));
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if (sizeof(cu_info->cu_bitmap) != sizeof(acu_info.bitmap))
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return;
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cu_info->cu_active_number = acu_info.number;
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cu_info->cu_ao_mask = acu_info.ao_cu_mask;
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memcpy(&cu_info->cu_bitmap[0], &acu_info.bitmap[0],
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sizeof(acu_info.bitmap));
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cu_info->num_shader_engines = adev->gfx.config.max_shader_engines;
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cu_info->num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
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cu_info->num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
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cu_info->simd_per_cu = acu_info.simd_per_cu;
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cu_info->max_waves_per_simd = acu_info.max_waves_per_simd;
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cu_info->wave_front_size = acu_info.wave_front_size;
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cu_info->max_scratch_slots_per_cu = acu_info.max_scratch_slots_per_cu;
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cu_info->lds_size = acu_info.lds_size;
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}
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int amdgpu_amdkfd_get_dmabuf_info(struct kgd_dev *kgd, int dma_buf_fd,
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struct kgd_dev **dma_buf_kgd,
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uint64_t *bo_size, void *metadata_buffer,
|
|
size_t buffer_size, uint32_t *metadata_size,
|
|
uint32_t *flags)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
|
|
struct dma_buf *dma_buf;
|
|
struct drm_gem_object *obj;
|
|
struct amdgpu_bo *bo;
|
|
uint64_t metadata_flags;
|
|
int r = -EINVAL;
|
|
|
|
dma_buf = dma_buf_get(dma_buf_fd);
|
|
if (IS_ERR(dma_buf))
|
|
return PTR_ERR(dma_buf);
|
|
|
|
if (dma_buf->ops != &amdgpu_dmabuf_ops)
|
|
/* Can't handle non-graphics buffers */
|
|
goto out_put;
|
|
|
|
obj = dma_buf->priv;
|
|
if (obj->dev->driver != adev_to_drm(adev)->driver)
|
|
/* Can't handle buffers from different drivers */
|
|
goto out_put;
|
|
|
|
adev = drm_to_adev(obj->dev);
|
|
bo = gem_to_amdgpu_bo(obj);
|
|
if (!(bo->preferred_domains & (AMDGPU_GEM_DOMAIN_VRAM |
|
|
AMDGPU_GEM_DOMAIN_GTT)))
|
|
/* Only VRAM and GTT BOs are supported */
|
|
goto out_put;
|
|
|
|
r = 0;
|
|
if (dma_buf_kgd)
|
|
*dma_buf_kgd = (struct kgd_dev *)adev;
|
|
if (bo_size)
|
|
*bo_size = amdgpu_bo_size(bo);
|
|
if (metadata_buffer)
|
|
r = amdgpu_bo_get_metadata(bo, metadata_buffer, buffer_size,
|
|
metadata_size, &metadata_flags);
|
|
if (flags) {
|
|
*flags = (bo->preferred_domains & AMDGPU_GEM_DOMAIN_VRAM) ?
|
|
KFD_IOC_ALLOC_MEM_FLAGS_VRAM
|
|
: KFD_IOC_ALLOC_MEM_FLAGS_GTT;
|
|
|
|
if (bo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED)
|
|
*flags |= KFD_IOC_ALLOC_MEM_FLAGS_PUBLIC;
|
|
}
|
|
|
|
out_put:
|
|
dma_buf_put(dma_buf);
|
|
return r;
|
|
}
|
|
|
|
uint64_t amdgpu_amdkfd_get_vram_usage(struct kgd_dev *kgd)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
|
|
struct ttm_resource_manager *vram_man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
|
|
|
|
return amdgpu_vram_mgr_usage(vram_man);
|
|
}
|
|
|
|
uint64_t amdgpu_amdkfd_get_hive_id(struct kgd_dev *kgd)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
|
|
|
|
return adev->gmc.xgmi.hive_id;
|
|
}
|
|
|
|
uint64_t amdgpu_amdkfd_get_unique_id(struct kgd_dev *kgd)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
|
|
|
|
return adev->unique_id;
|
|
}
|
|
|
|
uint8_t amdgpu_amdkfd_get_xgmi_hops_count(struct kgd_dev *dst, struct kgd_dev *src)
|
|
{
|
|
struct amdgpu_device *peer_adev = (struct amdgpu_device *)src;
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)dst;
|
|
int ret = amdgpu_xgmi_get_hops_count(adev, peer_adev);
|
|
|
|
if (ret < 0) {
|
|
DRM_ERROR("amdgpu: failed to get xgmi hops count between node %d and %d. ret = %d\n",
|
|
adev->gmc.xgmi.physical_node_id,
|
|
peer_adev->gmc.xgmi.physical_node_id, ret);
|
|
ret = 0;
|
|
}
|
|
return (uint8_t)ret;
|
|
}
|
|
|
|
uint64_t amdgpu_amdkfd_get_mmio_remap_phys_addr(struct kgd_dev *kgd)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
|
|
|
|
return adev->rmmio_remap.bus_addr;
|
|
}
|
|
|
|
uint32_t amdgpu_amdkfd_get_num_gws(struct kgd_dev *kgd)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
|
|
|
|
return adev->gds.gws_size;
|
|
}
|
|
|
|
uint32_t amdgpu_amdkfd_get_asic_rev_id(struct kgd_dev *kgd)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
|
|
|
|
return adev->rev_id;
|
|
}
|
|
|
|
int amdgpu_amdkfd_get_noretry(struct kgd_dev *kgd)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
|
|
|
|
return adev->gmc.noretry;
|
|
}
|
|
|
|
int amdgpu_amdkfd_submit_ib(struct kgd_dev *kgd, enum kgd_engine_type engine,
|
|
uint32_t vmid, uint64_t gpu_addr,
|
|
uint32_t *ib_cmd, uint32_t ib_len)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
|
|
struct amdgpu_job *job;
|
|
struct amdgpu_ib *ib;
|
|
struct amdgpu_ring *ring;
|
|
struct dma_fence *f = NULL;
|
|
int ret;
|
|
|
|
switch (engine) {
|
|
case KGD_ENGINE_MEC1:
|
|
ring = &adev->gfx.compute_ring[0];
|
|
break;
|
|
case KGD_ENGINE_SDMA1:
|
|
ring = &adev->sdma.instance[0].ring;
|
|
break;
|
|
case KGD_ENGINE_SDMA2:
|
|
ring = &adev->sdma.instance[1].ring;
|
|
break;
|
|
default:
|
|
pr_err("Invalid engine in IB submission: %d\n", engine);
|
|
ret = -EINVAL;
|
|
goto err;
|
|
}
|
|
|
|
ret = amdgpu_job_alloc(adev, 1, &job, NULL);
|
|
if (ret)
|
|
goto err;
|
|
|
|
ib = &job->ibs[0];
|
|
memset(ib, 0, sizeof(struct amdgpu_ib));
|
|
|
|
ib->gpu_addr = gpu_addr;
|
|
ib->ptr = ib_cmd;
|
|
ib->length_dw = ib_len;
|
|
/* This works for NO_HWS. TODO: need to handle without knowing VMID */
|
|
job->vmid = vmid;
|
|
|
|
ret = amdgpu_ib_schedule(ring, 1, ib, job, &f);
|
|
|
|
if (ret) {
|
|
DRM_ERROR("amdgpu: failed to schedule IB.\n");
|
|
goto err_ib_sched;
|
|
}
|
|
|
|
ret = dma_fence_wait(f, false);
|
|
|
|
err_ib_sched:
|
|
dma_fence_put(f);
|
|
amdgpu_job_free(job);
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
void amdgpu_amdkfd_set_compute_idle(struct kgd_dev *kgd, bool idle)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
|
|
|
|
amdgpu_dpm_switch_power_profile(adev,
|
|
PP_SMC_POWER_PROFILE_COMPUTE,
|
|
!idle);
|
|
}
|
|
|
|
bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid)
|
|
{
|
|
if (adev->kfd.dev)
|
|
return vmid >= adev->vm_manager.first_kfd_vmid;
|
|
|
|
return false;
|
|
}
|
|
|
|
int amdgpu_amdkfd_flush_gpu_tlb_vmid(struct kgd_dev *kgd, uint16_t vmid)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
|
|
|
|
if (adev->family == AMDGPU_FAMILY_AI) {
|
|
int i;
|
|
|
|
for (i = 0; i < adev->num_vmhubs; i++)
|
|
amdgpu_gmc_flush_gpu_tlb(adev, vmid, i, 0);
|
|
} else {
|
|
amdgpu_gmc_flush_gpu_tlb(adev, vmid, AMDGPU_GFXHUB_0, 0);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int amdgpu_amdkfd_flush_gpu_tlb_pasid(struct kgd_dev *kgd, uint16_t pasid)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
|
|
const uint32_t flush_type = 0;
|
|
bool all_hub = false;
|
|
|
|
if (adev->family == AMDGPU_FAMILY_AI)
|
|
all_hub = true;
|
|
|
|
return amdgpu_gmc_flush_gpu_tlb_pasid(adev, pasid, flush_type, all_hub);
|
|
}
|
|
|
|
bool amdgpu_amdkfd_have_atomics_support(struct kgd_dev *kgd)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)kgd;
|
|
|
|
return adev->have_atomics_support;
|
|
}
|