diff options
Diffstat (limited to 'include/drm/gpu_scheduler.h')
| -rw-r--r-- | include/drm/gpu_scheduler.h | 40 |
1 files changed, 33 insertions, 7 deletions
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h index 1a7e377d4cbb..323a505e6e6a 100644 --- a/include/drm/gpu_scheduler.h +++ b/include/drm/gpu_scheduler.h @@ -192,7 +192,7 @@ struct drm_sched_entity { * @last_scheduled: * * Points to the finished fence of the last scheduled job. Only written - * by the scheduler thread, can be accessed locklessly from + * by drm_sched_entity_pop_job(). Can be accessed locklessly from * drm_sched_job_arm() if the queue is empty. */ struct dma_fence __rcu *last_scheduled; @@ -305,6 +305,13 @@ struct drm_sched_fence { * @owner: job owner for debugging */ void *owner; + + /** + * @drm_client_id: + * + * The client_id of the drm_file which owns the job. + */ + uint64_t drm_client_id; }; struct drm_sched_fence *to_drm_sched_fence(struct dma_fence *f); @@ -319,7 +326,6 @@ struct drm_sched_fence *to_drm_sched_fence(struct dma_fence *f); * @finish_cb: the callback for the finished fence. * @credits: the number of credits this job contributes to the scheduler * @work: Helper to reschedule job kill to different context. - * @id: a unique id assigned to each job scheduled on the scheduler. * @karma: increment on every hang caused by this job. If this exceeds the hang * limit of the scheduler then the job is marked guilty and will not * be scheduled further. @@ -332,8 +338,6 @@ struct drm_sched_fence *to_drm_sched_fence(struct dma_fence *f); * to schedule the job. */ struct drm_sched_job { - u64 id; - /** * @submit_ts: * @@ -387,13 +391,16 @@ struct drm_sched_job { * enum drm_gpu_sched_stat - the scheduler's status * * @DRM_GPU_SCHED_STAT_NONE: Reserved. Do not use. - * @DRM_GPU_SCHED_STAT_NOMINAL: Operation succeeded. + * @DRM_GPU_SCHED_STAT_RESET: The GPU hung and successfully reset. * @DRM_GPU_SCHED_STAT_ENODEV: Error: Device is not available anymore. + * @DRM_GPU_SCHED_STAT_NO_HANG: Contrary to scheduler's assumption, the GPU + * did not hang and is still running. */ enum drm_gpu_sched_stat { DRM_GPU_SCHED_STAT_NONE, - DRM_GPU_SCHED_STAT_NOMINAL, + DRM_GPU_SCHED_STAT_RESET, DRM_GPU_SCHED_STAT_ENODEV, + DRM_GPU_SCHED_STAT_NO_HANG, }; /** @@ -508,6 +515,24 @@ struct drm_sched_backend_ops { * and it's time to clean it up. */ void (*free_job)(struct drm_sched_job *sched_job); + + /** + * @cancel_job: Used by the scheduler to guarantee remaining jobs' fences + * get signaled in drm_sched_fini(). + * + * Used by the scheduler to cancel all jobs that have not been executed + * with &struct drm_sched_backend_ops.run_job by the time + * drm_sched_fini() gets invoked. + * + * Drivers need to signal the passed job's hardware fence with an + * appropriate error code (e.g., -ECANCELED) in this callback. They + * must not free the job. + * + * The scheduler will only call this callback once it stopped calling + * all other callbacks forever, with the exception of &struct + * drm_sched_backend_ops.free_job. + */ + void (*cancel_job)(struct drm_sched_job *sched_job); }; /** @@ -629,7 +654,8 @@ drm_sched_pick_best(struct drm_gpu_scheduler **sched_list, int drm_sched_job_init(struct drm_sched_job *job, struct drm_sched_entity *entity, - u32 credits, void *owner); + u32 credits, void *owner, + u64 drm_client_id); void drm_sched_job_arm(struct drm_sched_job *job); void drm_sched_entity_push_job(struct drm_sched_job *sched_job); int drm_sched_job_add_dependency(struct drm_sched_job *job, |