diff options
| author | Philippe Mathieu-Daudé <philmd@redhat.com> | 2021-12-15 22:59:46 +0100 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <philmd@redhat.com> | 2021-12-31 01:05:27 +0100 |
| commit | 959384e74e1b508acc3af6e806b3d7b87335fc2a (patch) | |
| tree | 5389def223f1623f232854e3e1357a9b67467b77 | |
| parent | e2d784b67dc724a9b0854b49255ba0ee8ca46543 (diff) | |
| download | qemu-959384e74e1b508acc3af6e806b3d7b87335fc2a.zip | |
dma: Let dma_buf_rw() take MemTxAttrs argument
Let devices specify transaction attributes when calling dma_buf_rw().
Keep the default MEMTXATTRS_UNSPECIFIED in the 2 callers.
Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211223115554.3155328-11-philmd@redhat.com>
| -rw-r--r-- | softmmu/dma-helpers.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/softmmu/dma-helpers.c b/softmmu/dma-helpers.c index 7f37548394..fa81d2b386 100644 --- a/softmmu/dma-helpers.c +++ b/softmmu/dma-helpers.c @@ -295,7 +295,7 @@ BlockAIOCB *dma_blk_write(BlockBackend *blk, static uint64_t dma_buf_rw(void *buf, int32_t len, QEMUSGList *sg, - DMADirection dir) + DMADirection dir, MemTxAttrs attrs) { uint8_t *ptr = buf; uint64_t resid; @@ -307,8 +307,7 @@ static uint64_t dma_buf_rw(void *buf, int32_t len, QEMUSGList *sg, while (len > 0) { ScatterGatherEntry entry = sg->sg[sg_cur_index++]; int32_t xfer = MIN(len, entry.len); - dma_memory_rw(sg->as, entry.base, ptr, xfer, dir, - MEMTXATTRS_UNSPECIFIED); + dma_memory_rw(sg->as, entry.base, ptr, xfer, dir, attrs); ptr += xfer; len -= xfer; resid -= xfer; @@ -319,12 +318,14 @@ static uint64_t dma_buf_rw(void *buf, int32_t len, QEMUSGList *sg, uint64_t dma_buf_read(void *ptr, int32_t len, QEMUSGList *sg) { - return dma_buf_rw(ptr, len, sg, DMA_DIRECTION_FROM_DEVICE); + return dma_buf_rw(ptr, len, sg, DMA_DIRECTION_FROM_DEVICE, + MEMTXATTRS_UNSPECIFIED); } uint64_t dma_buf_write(void *ptr, int32_t len, QEMUSGList *sg) { - return dma_buf_rw(ptr, len, sg, DMA_DIRECTION_TO_DEVICE); + return dma_buf_rw(ptr, len, sg, DMA_DIRECTION_TO_DEVICE, + MEMTXATTRS_UNSPECIFIED); } void dma_acct_start(BlockBackend *blk, BlockAcctCookie *cookie, |