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dma: Let dma_memory_map() take MemTxAttrs argument

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Let devices specify transaction attributes when calling
dma_memory_map().

Patch created mechanically using spatch with this script:

  @@
  expression E1, E2, E3, E4;
  @@
  - dma_memory_map(E1, E2, E3, E4)
  + dma_memory_map(E1, E2, E3, E4, MEMTXATTRS_UNSPECIFIED)

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: <20211223115554.3155328-7-philmd@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé
2020-09-03 11:00:47 +02:00
parent ba06fe8add
commit a1d4b0a305
8 changed files with 29 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
hw/hyperv/vmbus.c
View File

@@ -373,7 +373,8 @@ static ssize_t gpadl_iter_io(GpadlIter *iter, void *buf, uint32_t len)
maddr = (iter->gpadl->gfns[idx] << TARGET_PAGE_BITS) | off_in_page;
iter->map = dma_memory_map(iter->as, maddr, &mlen, iter->dir);
iter->map = dma_memory_map(iter->as, maddr, &mlen, iter->dir,
MEMTXATTRS_UNSPECIFIED);
if (mlen != pgleft) {
dma_memory_unmap(iter->as, iter->map, mlen, iter->dir, 0);
iter->map = NULL;
@@ -490,7 +491,8 @@ int vmbus_map_sgl(VMBusChanReq *req, DMADirection dir, struct iovec *iov,
goto err;
}
iov[ret_cnt].iov_base = dma_memory_map(sgl->as, a, &l, dir);
iov[ret_cnt].iov_base = dma_memory_map(sgl->as, a, &l, dir,
MEMTXATTRS_UNSPECIFIED);
if (!l) {
ret = -EFAULT;
goto err;
@@ -566,7 +568,7 @@ static vmbus_ring_buffer *ringbuf_map_hdr(VMBusRingBufCommon *ringbuf)
dma_addr_t mlen = sizeof(*rb);
rb = dma_memory_map(ringbuf->as, ringbuf->rb_addr, &mlen,
DMA_DIRECTION_FROM_DEVICE);
DMA_DIRECTION_FROM_DEVICE, MEMTXATTRS_UNSPECIFIED);
if (mlen != sizeof(*rb)) {
dma_memory_unmap(ringbuf->as, rb, mlen,
DMA_DIRECTION_FROM_DEVICE, 0);