diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_userptr.h')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_userptr.h | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_userptr.h b/drivers/gpu/drm/xe/xe_userptr.h index ef801234991e..2a3cd1b5efbb 100644 --- a/drivers/gpu/drm/xe/xe_userptr.h +++ b/drivers/gpu/drm/xe/xe_userptr.h @@ -14,6 +14,8 @@ #include <drm/drm_gpusvm.h> +#include "xe_tlb_inval_types.h" + struct xe_vm; struct xe_vma; struct xe_userptr_vma; @@ -56,7 +58,34 @@ struct xe_userptr { * @notifier: MMU notifier for user pointer (invalidation call back) */ struct mmu_interval_notifier notifier; - + /** + * @finish: MMU notifier finish structure for two-pass invalidation. + * Embedded here to avoid allocation in the notifier callback. + * Protected by struct xe_vm::svm.gpusvm.notifier_lock in write mode + * alternatively by the same lock in read mode *and* the vm resv held. + */ + struct mmu_interval_notifier_finish finish; + /** + * @inval_batch: TLB invalidation batch for deferred completion. + * Stores an in-flight TLB invalidation submitted during a two-pass + * notifier so the wait can be deferred to a subsequent pass, allowing + * multiple GPUs to be signalled before any of them are waited on. + * Protected using the same locking as @finish. + */ + struct xe_tlb_inval_batch inval_batch; + /** + * @finish_inuse: Whether @finish is currently in use by an in-progress + * two-pass invalidation. + * Protected using the same locking as @finish. + */ + bool finish_inuse; + /** + * @tlb_inval_submitted: Whether a TLB invalidation has been submitted + * via @inval_batch and is pending completion. When set, the next pass + * must call xe_tlb_inval_batch_wait() before reusing @inval_batch. + * Protected using the same locking as @finish. + */ + bool tlb_inval_submitted; /** * @initial_bind: user pointer has been bound at least once. * write: vm->svm.gpusvm.notifier_lock in read mode and vm->resv held. |