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| author |   Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com> | 2021-01-11 13:27:50 -0500 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2022-02-07 17:59:41 -0500 |
| commit | 011bbb03024f5a22dc04eba370f9296f0cb83502 (patch) | |
| tree | e5427c42e03acdc91872818eae0a00d5d488032f /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | |
| parent | drm/amdkfd: CRIU Implement KFD restore ioctl (diff) | |
| download | linux-dev-011bbb03024f5a22dc04eba370f9296f0cb83502.tar.xz linux-dev-011bbb03024f5a22dc04eba370f9296f0cb83502.zip | |
drm/amdkfd: CRIU Implement KFD resume ioctl
This adds support to create userptr BOs on restore and introduces a new
ioctl op to restart memory notifiers for the restored userptr BOs.
When doing CRIU restore MMU notifications can happen anytime after we call
amdgpu_mn_register. Prevent MMU notifications until we reach stage-4 of the
restore process i.e. criu_resume ioctl op is received, and the process is
ready to be resumed. This ioctl is different from other KFD CRIU ioctls
since its called by CRIU master restore process for all the target
processes being resumed by CRIU.
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: David Yat Sin <david.yatsin@amd.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h index 395ba9566afe..4cb14c2fe53f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h @@ -131,6 +131,7 @@ struct amdkfd_process_info { atomic_t evicted_bos; struct delayed_work restore_userptr_work; struct pid *pid; + bool block_mmu_notifications; }; int amdgpu_amdkfd_init(void); @@ -268,7 +269,7 @@ uint64_t amdgpu_amdkfd_gpuvm_get_process_page_dir(void *drm_priv); int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu( struct amdgpu_device *adev, uint64_t va, uint64_t size, void *drm_priv, struct kgd_mem **mem, - uint64_t *offset, uint32_t flags); + uint64_t *offset, uint32_t flags, bool criu_resume); int amdgpu_amdkfd_gpuvm_free_memory_of_gpu( struct amdgpu_device *adev, struct kgd_mem *mem, void *drm_priv, uint64_t *size); @@ -298,6 +299,9 @@ int amdgpu_amdkfd_get_tile_config(struct amdgpu_device *adev, void amdgpu_amdkfd_ras_poison_consumption_handler(struct amdgpu_device *adev, bool reset); bool amdgpu_amdkfd_bo_mapped_to_dev(struct amdgpu_device *adev, struct kgd_mem *mem); +void amdgpu_amdkfd_block_mmu_notifications(void *p); +int amdgpu_amdkfd_criu_resume(void *p); + #if IS_ENABLED(CONFIG_HSA_AMD) void amdgpu_amdkfd_gpuvm_init_mem_limits(void); void amdgpu_amdkfd_gpuvm_destroy_cb(struct amdgpu_device *adev, |