diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_hw_fence.h')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_hw_fence.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_hw_fence.h b/drivers/gpu/drm/xe/xe_hw_fence.h new file mode 100644 index 000000000000..f13a1c4982c7 --- /dev/null +++ b/drivers/gpu/drm/xe/xe_hw_fence.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2021 Intel Corporation + */ + +#ifndef _XE_HW_FENCE_H_ +#define _XE_HW_FENCE_H_ + +#include "xe_hw_fence_types.h" + +/* Cause an early wrap to catch wrapping errors */ +#define XE_FENCE_INITIAL_SEQNO (-127) + +int xe_hw_fence_module_init(void); +void xe_hw_fence_module_exit(void); + +void xe_hw_fence_irq_init(struct xe_hw_fence_irq *irq); +void xe_hw_fence_irq_finish(struct xe_hw_fence_irq *irq); +void xe_hw_fence_irq_run(struct xe_hw_fence_irq *irq); +void xe_hw_fence_irq_stop(struct xe_hw_fence_irq *irq); +void xe_hw_fence_irq_start(struct xe_hw_fence_irq *irq); + +void xe_hw_fence_ctx_init(struct xe_hw_fence_ctx *ctx, struct xe_gt *gt, + struct xe_hw_fence_irq *irq, const char *name); +void xe_hw_fence_ctx_finish(struct xe_hw_fence_ctx *ctx); + +struct dma_fence *xe_hw_fence_alloc(void); + +void xe_hw_fence_free(struct dma_fence *fence); + +void xe_hw_fence_init(struct dma_fence *fence, struct xe_hw_fence_ctx *ctx, + struct iosys_map seqno_map); +#endif |