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etraxfs-dma: Model metadata and eop

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- Send EOP flags to the out channels.
- Send data descriptor metadata to the out channels.

Signed-off-by: Lars Persson <larper@axis.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
This commit is contained in:
Lars Persson 2011-12-21 15:11:35 +01:00 • committed by Edgar E. Iglesias
parent 9f6113c7e6
commit 73a511decc
3 changed files with 33 additions and 10 deletions
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13
hw/etraxfs_dma.h
View file

@ -1,3 +1,8 @@
struct dma_context_metadata {
/* data descriptor md */
uint16_t metadata;
};
struct etraxfs_dma_client
{
/* DMA controller. */
@ -5,10 +10,12 @@ struct etraxfs_dma_client
void *ctrl;
/* client. */
struct
{
int (*push)(void *opaque, unsigned char *buf, int len);
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;
};