50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
/* Public domain. */
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#ifndef _LINUX_DMA_FENCE_ARRAY_H
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#define _LINUX_DMA_FENCE_ARRAY_H
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#include <linux/dma-fence.h>
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#include <linux/irq_work.h>
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struct dma_fence_array_cb {
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struct dma_fence_cb cb;
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struct dma_fence_array *array;
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};
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struct dma_fence_array {
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struct dma_fence base;
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unsigned int num_fences;
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struct dma_fence **fences;
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struct mutex lock;
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struct timeout to;
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int num_pending;
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};
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extern const struct dma_fence_ops dma_fence_array_ops;
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static inline struct dma_fence_array *
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to_dma_fence_array(struct dma_fence *fence)
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{
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if (fence->ops != &dma_fence_array_ops)
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return NULL;
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return container_of(fence, struct dma_fence_array, base);
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}
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static inline bool
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dma_fence_is_array(struct dma_fence *fence)
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{
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return fence->ops == &dma_fence_array_ops;
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}
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struct dma_fence_array *dma_fence_array_create(int, struct dma_fence **,
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u64, unsigned, bool);
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struct dma_fence *dma_fence_array_first(struct dma_fence *);
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struct dma_fence *dma_fence_array_next(struct dma_fence *, unsigned int);
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#define dma_fence_array_for_each(f, i, h) \
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for (i = 0, f = dma_fence_array_first(h); \
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f != NULL; \
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++(i), f = dma_fence_array_next(h, i)) \
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#endif
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