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struct dma_context_metadata {
/* data descriptor md */
uint16_t metadata;
};
struct etraxfs_dma_client
{
/* DMA controller. */
int channel;
void *ctrl;
/* client. */
struct {
int (*push)(void *opaque, unsigned char *buf,
int len, bool eop);
void (*pull)(void *opaque);
void (*metadata_push)(void *opaque,
const struct dma_context_metadata *md);
void *opaque;
} client;
};
void *etraxfs_dmac_init(target_phys_addr_t base, int nr_channels);
void etraxfs_dmac_connect(void *opaque, int channel, qemu_irq *line,
int input);
void etraxfs_dmac_connect_client(void *opaque, int c,
struct etraxfs_dma_client *cl);
int etraxfs_dmac_input(struct etraxfs_dma_client *client,
void *buf, int len, int eop);
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