[v2,07/23] dma: Have dma_buf_rw() take a void pointer

Commit Message

Philippe Mathieu-Daudé Dec. 23, 2021, 11:55 a.m. UTC

DMA operations are run on any kind of buffer, not arrays of
uint8_t. Convert dma_buf_rw() to take a void pointer argument
to save us pointless casts to uint8_t *.

Reviewed-by: Klaus Jensen <[e-mail]>
Signed-off-by: Philippe Mathieu-Daudé <[e-mail]>
---
 softmmu/dma-helpers.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Patch

diff --git a/softmmu/dma-helpers.c b/softmmu/dma-helpers.c
index 3c06a2feddd..09e29997ee5 100644
--- a/softmmu/dma-helpers.c
+++ b/softmmu/dma-helpers.c
@@ -294,9 +294,10 @@  BlockAIOCB *dma_blk_write(BlockBackend *blk,
 }
 
 
-static uint64_t dma_buf_rw(uint8_t *ptr, int32_t len, QEMUSGList *sg,
+static uint64_t dma_buf_rw(void *buf, int32_t len, QEMUSGList *sg,
                            DMADirection dir)
 {
+    uint8_t *ptr = buf;
     uint64_t resid;
     int sg_cur_index;