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dma: Let dma_memory_rw() take MemTxAttrs argument

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Let devices specify transaction attributes when calling
dma_memory_rw().

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20211223115554.3155328-5-philmd@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2020-09-03 09:37:43 +02:00
parent 4afd0f2f22
commit 23faf5694f
5 changed files with 18 additions and 12 deletions
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11
include/sysemu/dma.h
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@ -121,15 +121,15 @@ static inline MemTxResult dma_memory_write_relaxed(AddressSpace *as,
* @buf: buffer with the data transferred
* @len: the number of bytes to read or write
* @dir: indicates the transfer direction
* @attrs: memory transaction attributes
*/
static inline MemTxResult dma_memory_rw(AddressSpace *as, dma_addr_t addr,
void *buf, dma_addr_t len,
DMADirection dir)
DMADirection dir, MemTxAttrs attrs)
{
dma_barrier(as, dir);
return dma_memory_rw_relaxed(as, addr, buf, len, dir,
MEMTXATTRS_UNSPECIFIED);
return dma_memory_rw_relaxed(as, addr, buf, len, dir, attrs);
}
/**
@ -147,7 +147,8 @@ static inline MemTxResult dma_memory_rw(AddressSpace *as, dma_addr_t addr,
static inline MemTxResult dma_memory_read(AddressSpace *as, dma_addr_t addr,
void *buf, dma_addr_t len)
{
return dma_memory_rw(as, addr, buf, len, DMA_DIRECTION_TO_DEVICE);
return dma_memory_rw(as, addr, buf, len,
DMA_DIRECTION_TO_DEVICE, MEMTXATTRS_UNSPECIFIED);
}
/**
@ -166,7 +167,7 @@ static inline MemTxResult dma_memory_write(AddressSpace *as, dma_addr_t addr,
const void *buf, dma_addr_t len)
{
return dma_memory_rw(as, addr, (void *)buf, len,
DMA_DIRECTION_FROM_DEVICE);
DMA_DIRECTION_FROM_DEVICE, MEMTXATTRS_UNSPECIFIED);
}
/**