diff options
| author |   Felix Kuehling <Felix.Kuehling@amd.com> | 2018-03-23 15:32:32 -0400 |
|---|---|---|
| committer |   Oded Gabbay <oded.gabbay@gmail.com> | 2018-03-23 15:32:32 -0400 |
| commit | 6b95e7973a136181e37446bd29b0b2e2f0d2d653 (patch) | |
| tree | 0fb6776bf402197ad8b18684b6a09577d88f3e69 /drivers/gpu/drm/amd/include | |
| parent | drm/amdkfd: GFP_NOIO while holding locks taken in MMU notifier (diff) | |
| download | linux-dev-6b95e7973a136181e37446bd29b0b2e2f0d2d653.tar.xz linux-dev-6b95e7973a136181e37446bd29b0b2e2f0d2d653.zip | |
drm/amdkfd: Add quiesce_mm and resume_mm to kgd2kfd_calls
These interfaces allow KGD to stop and resume all GPU user mode queue
access to a process address space. This is needed for handling MMU
notifiers of userptrs mapped for GPU access in KFD VMs.
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/include')
| -rw-r--r-- | drivers/gpu/drm/amd/include/kgd_kfd_interface.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h index 237289a72bb7..286cfe7068c1 100644 --- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h @@ -382,6 +382,10 @@ struct kfd2kgd_calls { * * @resume: Notifies amdkfd about a resume action done to a kgd device * + * @quiesce_mm: Quiesce all user queue access to specified MM address space + * + * @resume_mm: Resume user queue access to specified MM address space + * * @schedule_evict_and_restore_process: Schedules work queue that will prepare * for safe eviction of KFD BOs that belong to the specified process. * @@ -399,6 +403,8 @@ struct kgd2kfd_calls { void (*interrupt)(struct kfd_dev *kfd, const void *ih_ring_entry); void (*suspend)(struct kfd_dev *kfd); int (*resume)(struct kfd_dev *kfd); + int (*quiesce_mm)(struct mm_struct *mm); + int (*resume_mm)(struct mm_struct *mm); int (*schedule_evict_and_restore_process)(struct mm_struct *mm, struct dma_fence *fence); }; |