qemu/hw/xilinx_axidma.h

40 lines
1.0 KiB
C

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