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dma: Let dma_buf_read() take MemTxAttrs argument

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Let devices specify transaction attributes when calling
dma_buf_read().

Keep the default MEMTXATTRS_UNSPECIFIED in the few callers.

Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211223115554.3155328-13-philmd@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2021-12-15 23:29:52 +01:00
parent 392e48af34
commit 1e5a3f8b2a
6 changed files with 19 additions and 20 deletions
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2
include/sysemu/dma.h
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@ -302,7 +302,7 @@ BlockAIOCB *dma_blk_read(BlockBackend *blk,
BlockAIOCB *dma_blk_write(BlockBackend *blk,
QEMUSGList *sg, uint64_t offset, uint32_t align,
BlockCompletionFunc *cb, void *opaque);
uint64_t dma_buf_read(void *ptr, int32_t len, QEMUSGList *sg);
uint64_t dma_buf_read(void *ptr, int32_t len, QEMUSGList *sg, MemTxAttrs attrs);
uint64_t dma_buf_write(void *ptr, int32_t len, QEMUSGList *sg, MemTxAttrs attrs);
void dma_acct_start(BlockBackend *blk, BlockAcctCookie *cookie,