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[v3,3/6] dma: Let dma_memory_rw_relaxed() take MemTxAttrs argument

Message ID 20210702092439.989969-4-philmd@redhat.com
State New
Headers show
Series hw: Let the DMA API take a MemTxAttrs argument | expand

Commit Message

Philippe Mathieu-Daudé July 2, 2021, 9:24 a.m. UTC 
We will add the MemTxAttrs argument to dma_memory_rw() in
the next commit. Since dma_memory_rw_relaxed() is only used
by dma_memory_rw(), modify it first in a separate commit to
keep the next commit easier to review.

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>
---
 include/sysemu/dma.h | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)
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Patch

diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h
index d23516f020a..3be803cf3ff 100644
--- a/include/sysemu/dma.h
+++ b/include/sysemu/dma.h
@@ -83,9 +83,10 @@  static inline bool dma_memory_valid(AddressSpace *as,
 static inline MemTxResult dma_memory_rw_relaxed(AddressSpace *as,
                                                 dma_addr_t addr,
                                                 void *buf, dma_addr_t len,
-                                                DMADirection dir)
+                                                DMADirection dir,
+                                                MemTxAttrs attrs)
 {
-    return address_space_rw(as, addr, MEMTXATTRS_UNSPECIFIED,
+    return address_space_rw(as, addr, attrs,
                             buf, len, dir == DMA_DIRECTION_FROM_DEVICE);
 }
 
@@ -93,7 +94,9 @@  static inline MemTxResult dma_memory_read_relaxed(AddressSpace *as,
                                                   dma_addr_t addr,
                                                   void *buf, dma_addr_t len)
 {
-    return dma_memory_rw_relaxed(as, addr, buf, len, DMA_DIRECTION_TO_DEVICE);
+    return dma_memory_rw_relaxed(as, addr, buf, len,
+                                 DMA_DIRECTION_TO_DEVICE,
+                                 MEMTXATTRS_UNSPECIFIED);
 }
 
 static inline MemTxResult dma_memory_write_relaxed(AddressSpace *as,
@@ -102,7 +105,8 @@  static inline MemTxResult dma_memory_write_relaxed(AddressSpace *as,
                                                    dma_addr_t len)
 {
     return dma_memory_rw_relaxed(as, addr, (void *)buf, len,
-                                 DMA_DIRECTION_FROM_DEVICE);
+                                 DMA_DIRECTION_FROM_DEVICE,
+                                 MEMTXATTRS_UNSPECIFIED);
 }
 
 /**
@@ -124,7 +128,8 @@  static inline MemTxResult dma_memory_rw(AddressSpace *as, dma_addr_t addr,
 {
     dma_barrier(as, dir);
 
-    return dma_memory_rw_relaxed(as, addr, buf, len, dir);
+    return dma_memory_rw_relaxed(as, addr, buf, len, dir,
+                                 MEMTXATTRS_UNSPECIFIED);
 }
 
 /**