40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
/* AXI DMA connection. Used until qdev provides a generic way. */
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typedef void (*DMAPushFn)(void *opaque,
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unsigned char *buf, size_t len, uint32_t *app);
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struct XilinxDMAConnection {
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void *dma;
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void *client;
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DMAPushFn to_dma;
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DMAPushFn to_client;
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};
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static inline void xlx_dma_connect_client(struct XilinxDMAConnection *dmach,
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void *c, DMAPushFn f)
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{
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dmach->client = c;
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dmach->to_client = f;
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}
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static inline void xlx_dma_connect_dma(struct XilinxDMAConnection *dmach,
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void *d, DMAPushFn f)
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{
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dmach->dma = d;
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dmach->to_dma = f;
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}
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static inline
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void xlx_dma_push_to_dma(struct XilinxDMAConnection *dmach,
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uint8_t *buf, size_t len, uint32_t *app)
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{
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dmach->to_dma(dmach->dma, buf, len, app);
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}
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static inline
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void xlx_dma_push_to_client(struct XilinxDMAConnection *dmach,
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uint8_t *buf, size_t len, uint32_t *app)
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{
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dmach->to_client(dmach->client, buf, len, app);
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}
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