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[PATCH v2 07/23] dma: Have dma_buf_rw() take a void pointer
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH v2 07/23] dma: Have dma_buf_rw() take a void pointer |
Date: |
Thu, 23 Dec 2021 12:55:38 +0100 |
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 <k.jensen@samsung.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
softmmu/dma-helpers.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
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;
--
2.33.1
- [PATCH v2 00/23] hw: Have DMA APIs take MemTxAttrs arg & propagate MemTxResult (full), Philippe Mathieu-Daudé, 2021/12/23
- [PATCH v2 01/23] dma: Let dma_memory_valid() take MemTxAttrs argument, Philippe Mathieu-Daudé, 2021/12/23
- [PATCH v2 02/23] dma: Let dma_memory_set() take MemTxAttrs argument, Philippe Mathieu-Daudé, 2021/12/23
- [PATCH v2 03/23] dma: Let dma_memory_rw_relaxed() take MemTxAttrs argument, Philippe Mathieu-Daudé, 2021/12/23
- [PATCH v2 04/23] dma: Let dma_memory_rw() take MemTxAttrs argument, Philippe Mathieu-Daudé, 2021/12/23
- [PATCH v2 05/23] dma: Let dma_memory_read/write() take MemTxAttrs argument, Philippe Mathieu-Daudé, 2021/12/23
- [PATCH v2 06/23] dma: Let dma_memory_map() take MemTxAttrs argument, Philippe Mathieu-Daudé, 2021/12/23
- [PATCH v2 07/23] dma: Have dma_buf_rw() take a void pointer,
Philippe Mathieu-Daudé <=
- [PATCH v2 08/23] dma: Have dma_buf_read() / dma_buf_write() take a void pointer, Philippe Mathieu-Daudé, 2021/12/23
- [PATCH v2 09/23] dma: Let pci_dma_rw() take MemTxAttrs argument, Philippe Mathieu-Daudé, 2021/12/23
- [PATCH v2 10/23] dma: Let dma_buf_rw() take MemTxAttrs argument, Philippe Mathieu-Daudé, 2021/12/23
- [PATCH v2 11/23] dma: Let dma_buf_write() take MemTxAttrs argument, Philippe Mathieu-Daudé, 2021/12/23
- [PATCH v2 12/23] dma: Let dma_buf_read() take MemTxAttrs argument, Philippe Mathieu-Daudé, 2021/12/23
- [PATCH v2 13/23] dma: Let dma_buf_rw() propagate MemTxResult, Philippe Mathieu-Daudé, 2021/12/23
- [PATCH v2 14/23] dma: Let dma_buf_read() / dma_buf_write() propagate MemTxResult, Philippe Mathieu-Daudé, 2021/12/23
- [PATCH v2 15/23] dma: Let st*_dma() take MemTxAttrs argument, Philippe Mathieu-Daudé, 2021/12/23
- [PATCH v2 16/23] dma: Let ld*_dma() take MemTxAttrs argument, Philippe Mathieu-Daudé, 2021/12/23