diff options
| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2018-03-23 15:32:33 -0400 |
|---|---|---|
| committer | Oded Gabbay <oded.gabbay@gmail.com> | 2018-03-23 15:32:33 -0400 |
| commit | 5ae0283e831a94c714fce61063e4724baf364ef3 (patch) | |
| tree | b21af351d9e41294d05804d2f4e2848945701ece /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | |
| parent | 6b95e7973a136181e37446bd29b0b2e2f0d2d653 (diff) | |
drm/amdgpu: Add userptr support for KFD
This adds support for allocating, mapping, unmapping and freeing
userptr BOs, and for handling MMU notifiers.
v2: updated a comment
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h index 83e0c5c331d2..c3024b143f3d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h @@ -28,6 +28,7 @@ #include <linux/types.h> #include <linux/mm.h> #include <linux/mmu_context.h> +#include <linux/workqueue.h> #include <kgd_kfd_interface.h> #include <drm/ttm/ttm_execbuf_util.h> #include "amdgpu_sync.h" @@ -59,7 +60,9 @@ struct kgd_mem { uint32_t mapping_flags; + atomic_t invalid; struct amdkfd_process_info *process_info; + struct page **user_pages; struct amdgpu_sync sync; @@ -84,6 +87,9 @@ struct amdkfd_process_info { struct list_head vm_list_head; /* List head for all KFD BOs that belong to a KFD process. */ struct list_head kfd_bo_list; + /* List of userptr BOs that are valid or invalid */ + struct list_head userptr_valid_list; + struct list_head userptr_inval_list; /* Lock to protect kfd_bo_list */ struct mutex lock; @@ -91,6 +97,11 @@ struct amdkfd_process_info { unsigned int n_vms; /* Eviction Fence */ struct amdgpu_amdkfd_fence *eviction_fence; + + /* MMU-notifier related fields */ + atomic_t evicted_bos; + struct delayed_work restore_userptr_work; + struct pid *pid; }; int amdgpu_amdkfd_init(void); |