commit 99868af3d0a75cf6a515a9aa81bf0d7bcb39eadb
author Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Thu Oct 27 16:29:13 2016 -0400
committer John Snow <jsnow@redhat.com> Thu Oct 27 16:29:13 2016 -0400
tree d5763d2625f5f74ecd5e750b76c5017ce67d39eb
parent 835f3d24b42fcbeca5c49048994a4e5d0fe905c5

dma-helpers: explicitly pass alignment into DMA helpers

The hard-coded default alignment is BDRV_SECTOR_SIZE, however this is not
necessarily the case for all platforms. Use this as the default alignment for
all current callers.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: John Snow <jsnow@redhat.com>
Message-id: 1476445266-27503-2-git-send-email-mark.cave-ayland@ilande.co.uk
Signed-off-by: John Snow <jsnow@redhat.com>

include/sysemu/dma.h

diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h
index 34c8eaf..c228c66 100644
--- a/include/sysemu/dma.h
+++ b/include/sysemu/dma.h
@@ -199,14 +199,14 @@
                               void *opaque);
 
 BlockAIOCB *dma_blk_io(AioContext *ctx,
-                       QEMUSGList *sg, uint64_t offset,
+                       QEMUSGList *sg, uint64_t offset, uint32_t align,
                        DMAIOFunc *io_func, void *io_func_opaque,
                        BlockCompletionFunc *cb, void *opaque, DMADirection dir);
 BlockAIOCB *dma_blk_read(BlockBackend *blk,
-                         QEMUSGList *sg, uint64_t offset,
+                         QEMUSGList *sg, uint64_t offset, uint32_t align,
                          BlockCompletionFunc *cb, void *opaque);
 BlockAIOCB *dma_blk_write(BlockBackend *blk,
-                          QEMUSGList *sg, uint64_t offset,
+                          QEMUSGList *sg, uint64_t offset, uint32_t align,
                           BlockCompletionFunc *cb, void *opaque);
 uint64_t dma_buf_read(uint8_t *ptr, int32_t len, QEMUSGList *sg);
 uint64_t dma_buf_write(uint8_t *ptr, int32_t len, QEMUSGList *sg);