hw/dma: Use dma_addr_t type definition when relevant

Update the obvious places where dma_addr_t should be used
(instead of uint64_t, hwaddr, size_t, int32_t types).

This allows to have &dma_addr_t type portable on 32/64-bit
hosts.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220111184309.28637-11-f4bug@amsat.org>

1 files changed, 5 insertions, 3 deletions

diff --git a/include/sysemu/dma.h b/include/sysemu/dma.h
index c992d9d..36039c5 100644
--- a/include/sysemu/dma.h
+++ b/include/sysemu/dma.h
@@ -38,7 +38,7 @@ struct QEMUSGList {
     ScatterGatherEntry *sg;
     int nsg;
     int nalloc;
-    size_t size;
+    dma_addr_t size;
     DeviceState *dev;
     AddressSpace *as;
 };
@@ -301,8 +301,10 @@ BlockAIOCB *dma_blk_read(BlockBackend *blk,
 BlockAIOCB *dma_blk_write(BlockBackend *blk,
                           QEMUSGList *sg, uint64_t offset, uint32_t align,
                           BlockCompletionFunc *cb, void *opaque);
-uint64_t dma_buf_read(void *ptr, int32_t len, QEMUSGList *sg, MemTxAttrs attrs);
-uint64_t dma_buf_write(void *ptr, int32_t len, QEMUSGList *sg, MemTxAttrs attrs);
+dma_addr_t dma_buf_read(void *ptr, dma_addr_t len,
+                         QEMUSGList *sg, MemTxAttrs attrs);
+dma_addr_t dma_buf_write(void *ptr, dma_addr_t len,
+                          QEMUSGList *sg, MemTxAttrs attrs);
 
 void dma_acct_start(BlockBackend *blk, BlockAcctCookie *cookie,
                     QEMUSGList *sg, enum BlockAcctType type);