hw/xilinx_axidma.h

   1 /* AXI DMA connection. Used until qdev provides a generic way.  */
   2 typedef void (*DMAPushFn)(void *opaque,
   3                             unsigned char *buf, size_t len, uint32_t *app);
   4
   5 struct XilinxDMAConnection {
   6     void *dma;
   7     void *client;
   8
   9     DMAPushFn to_dma;
  10     DMAPushFn to_client;
  11 };
  12
  13 static inline void xlx_dma_connect_client(struct XilinxDMAConnection *dmach,
  14                                           void *c, DMAPushFn f)
  15 {
  16     dmach->client = c;
  17     dmach->to_client = f;
  18 }
  19
  20 static inline void xlx_dma_connect_dma(struct XilinxDMAConnection *dmach,
  21                                        void *d, DMAPushFn f)
  22 {
  23     dmach->dma = d;
  24     dmach->to_dma = f;
  25 }
  26
  27 static inline
  28 void xlx_dma_push_to_dma(struct XilinxDMAConnection *dmach,
  29                          uint8_t *buf, size_t len, uint32_t *app)
  30 {
  31     dmach->to_dma(dmach->dma, buf, len, app);
  32 }
  33 static inline
  34 void xlx_dma_push_to_client(struct XilinxDMAConnection *dmach,
  35                             uint8_t *buf, size_t len, uint32_t *app)
  36 {
  37     dmach->to_client(dmach->client, buf, len, app);
  38 }
  39