mirror of https://gitee.com/openkylin/qemu.git
40 lines
1.0 KiB
C
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);
|
||
|
}
|
||
|
|