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authorPhilippe Mathieu-Daudé <philmd@redhat.com>2020-09-03 11:00:47 +0200
committerPhilippe Mathieu-Daudé <philmd@redhat.com>2021-12-30 17:16:32 +0100
commita1d4b0a3051b3079c8db607f519bc0fcb30e17ec (patch)
tree4e21aaee0b22bc95cc9d749282e664db759cbc13 /hw/virtio/virtio.c
parentba06fe8add5b788956a7317246c6280dfc157040 (diff)
dma: Let dma_memory_map() take MemTxAttrs argument
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>
Diffstat (limited to 'hw/virtio/virtio.c')
-rw-r--r--hw/virtio/virtio.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index ea7c079fb0..e11a8a0dba 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -1306,7 +1306,8 @@ static bool virtqueue_map_desc(VirtIODevice *vdev, unsigned int *p_num_sg,
iov[num_sg].iov_base = dma_memory_map(vdev->dma_as, pa, &len,
is_write ?
DMA_DIRECTION_FROM_DEVICE :
- DMA_DIRECTION_TO_DEVICE);
+ DMA_DIRECTION_TO_DEVICE,
+ MEMTXATTRS_UNSPECIFIED);
if (!iov[num_sg].iov_base) {
virtio_error(vdev, "virtio: bogus descriptor or out of resources");
goto out;
@@ -1355,7 +1356,8 @@ static void virtqueue_map_iovec(VirtIODevice *vdev, struct iovec *sg,
sg[i].iov_base = dma_memory_map(vdev->dma_as,
addr[i], &len, is_write ?
DMA_DIRECTION_FROM_DEVICE :
- DMA_DIRECTION_TO_DEVICE);
+ DMA_DIRECTION_TO_DEVICE,
+ MEMTXATTRS_UNSPECIFIED);
if (!sg[i].iov_base) {
error_report("virtio: error trying to map MMIO memory");
exit(1);