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[PATCH v2 02/23] dma: Let dma_memory_set() take MemTxAttrs argument
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH v2 02/23] dma: Let dma_memory_set() take MemTxAttrs argument |
Date: |
Thu, 23 Dec 2021 12:55:33 +0100 |
Let devices specify transaction attributes when calling
dma_memory_set().
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: <20210702092439.989969-3-philmd@redhat.com>
---
include/hw/ppc/spapr_vio.h | 3 ++-
include/sysemu/dma.h | 3 ++-
hw/nvram/fw_cfg.c | 3 ++-
softmmu/dma-helpers.c | 5 ++---
4 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/include/hw/ppc/spapr_vio.h b/include/hw/ppc/spapr_vio.h
index 4c45f1579fa..c90e74a67dd 100644
--- a/include/hw/ppc/spapr_vio.h
+++ b/include/hw/ppc/spapr_vio.h
@@ -111,7 +111,8 @@ static inline int spapr_vio_dma_write(SpaprVioDevice *dev,
uint64_t taddr,
static inline int spapr_vio_dma_set(SpaprVioDevice *dev, uint64_t taddr,
uint8_t c, uint32_t size)
{
- return (dma_memory_set(&dev->as, taddr, c, size) != 0) ?
+ return (dma_memory_set(&dev->as, taddr,
+ c, size, MEMTXATTRS_UNSPECIFIED) != 0) ?
H_DEST_PARM : H_SUCCESS;
}
diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h
index 296f3b57c9c..d23516f020a 100644
--- a/include/sysemu/dma.h
+++ b/include/sysemu/dma.h
@@ -175,9 +175,10 @@ static inline MemTxResult dma_memory_write(AddressSpace
*as, dma_addr_t addr,
* @addr: address within that address space
* @c: constant byte to fill the memory
* @len: the number of bytes to fill with the constant byte
+ * @attrs: memory transaction attributes
*/
MemTxResult dma_memory_set(AddressSpace *as, dma_addr_t addr,
- uint8_t c, dma_addr_t len);
+ uint8_t c, dma_addr_t len, MemTxAttrs attrs);
/**
* address_space_map: Map a physical memory region into a host virtual address.
diff --git a/hw/nvram/fw_cfg.c b/hw/nvram/fw_cfg.c
index c06b30de112..f7803fe3c30 100644
--- a/hw/nvram/fw_cfg.c
+++ b/hw/nvram/fw_cfg.c
@@ -399,7 +399,8 @@ static void fw_cfg_dma_transfer(FWCfgState *s)
* tested before.
*/
if (read) {
- if (dma_memory_set(s->dma_as, dma.address, 0, len)) {
+ if (dma_memory_set(s->dma_as, dma.address, 0, len,
+ MEMTXATTRS_UNSPECIFIED)) {
dma.control |= FW_CFG_DMA_CTL_ERROR;
}
}
diff --git a/softmmu/dma-helpers.c b/softmmu/dma-helpers.c
index 7d766a5e89a..1f07217ad4a 100644
--- a/softmmu/dma-helpers.c
+++ b/softmmu/dma-helpers.c
@@ -19,7 +19,7 @@
/* #define DEBUG_IOMMU */
MemTxResult dma_memory_set(AddressSpace *as, dma_addr_t addr,
- uint8_t c, dma_addr_t len)
+ uint8_t c, dma_addr_t len, MemTxAttrs attrs)
{
dma_barrier(as, DMA_DIRECTION_FROM_DEVICE);
@@ -31,8 +31,7 @@ MemTxResult dma_memory_set(AddressSpace *as, dma_addr_t addr,
memset(fillbuf, c, FILLBUF_SIZE);
while (len > 0) {
l = len < FILLBUF_SIZE ? len : FILLBUF_SIZE;
- error |= address_space_write(as, addr, MEMTXATTRS_UNSPECIFIED,
- fillbuf, l);
+ error |= address_space_write(as, addr, attrs, fillbuf, l);
len -= l;
addr += l;
}
--
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 <=
- [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, 2021/12/23
- [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