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dma-helpers: add accounting wrappers 

The length of the transfer is already in the sglist, the wrapper simply
fetches it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2011-09-05 14:20:29 +02:00
parent 8171ee35e2
commit 84a693562b
2 changed files with 9 additions and 0 deletions
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6
dma-helpers.c
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@ -235,3 +235,9 @@ uint64_t dma_buf_write(uint8_t *ptr, int32_t len, QEMUSGList *sg)
{
return dma_buf_rw(ptr, len, sg, 1);
}
void dma_acct_start(BlockDriverState *bs, BlockAcctCookie *cookie,
QEMUSGList *sg, enum BlockAcctType type)
{
bdrv_acct_start(bs, cookie, sg->size, type);
}

3
dma.h
View File

@ -61,4 +61,7 @@ BlockDriverAIOCB *dma_bdrv_write(BlockDriverState *bs,
uint64_t dma_buf_read(uint8_t *ptr, int32_t len, QEMUSGList *sg);
uint64_t dma_buf_write(uint8_t *ptr, int32_t len, QEMUSGList *sg);
void dma_acct_start(BlockDriverState *bs, BlockAcctCookie *cookie,
QEMUSGList *sg, enum BlockAcctType type);
#endif