diff options
| 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/amdkfd/kfd_priv.h | |
| parent | 73fa13b6a5112b59d09e58b8075973769a15814c (diff) | |
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/amdkfd/kfd_priv.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index a4d08b6b2e6b..9b347247055c 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -951,6 +951,7 @@ void *kfd_process_device_translate_handle(struct kfd_process_device *p, int handle); void kfd_process_device_remove_obj_handle(struct kfd_process_device *pdd, int handle); +struct kfd_process *kfd_lookup_process_by_pid(struct pid *pid); /* PASIDs */ int kfd_pasid_init(void); |