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authorPeter Maydell <peter.maydell@linaro.org>2015-04-26 16:49:24 +0100
committerPeter Maydell <peter.maydell@linaro.org>2015-04-26 16:49:24 +0100
commit5c9eb0286c819c1836220a32f2e1a7b5004ac79a (patch)
tree2edd15dfc1b1a4c6b6b954559f273d4212e1ca26 /include/exec
parentf25a49e0057bbfcc2b1111f60785d919b6ddaeea (diff)
exec.c: Make address_space_rw take transaction attributes
Make address_space_rw take transaction attributes, rather than always using the 'unspecified' attributes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Diffstat (limited to 'include/exec')
-rw-r--r--include/exec/memory.h31
1 files changed, 20 insertions, 11 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h
index 970a3a9b1e..cafd590b92 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -1108,41 +1108,50 @@ void address_space_destroy(AddressSpace *as);
/**
* address_space_rw: read from or write to an address space.
*
- * Return true if the operation hit any unassigned memory or encountered an
- * IOMMU fault.
+ * Return a MemTxResult indicating whether the operation succeeded
+ * or failed (eg unassigned memory, device rejected the transaction,
+ * IOMMU fault).
*
* @as: #AddressSpace to be accessed
* @addr: address within that address space
+ * @attrs: memory transaction attributes
* @buf: buffer with the data transferred
* @is_write: indicates the transfer direction
*/
-bool address_space_rw(AddressSpace *as, hwaddr addr, uint8_t *buf,
- int len, bool is_write);
+MemTxResult address_space_rw(AddressSpace *as, hwaddr addr,
+ MemTxAttrs attrs, uint8_t *buf,
+ int len, bool is_write);
/**
* address_space_write: write to address space.
*
- * Return true if the operation hit any unassigned memory or encountered an
- * IOMMU fault.
+ * Return a MemTxResult indicating whether the operation succeeded
+ * or failed (eg unassigned memory, device rejected the transaction,
+ * IOMMU fault).
*
* @as: #AddressSpace to be accessed
* @addr: address within that address space
+ * @attrs: memory transaction attributes
* @buf: buffer with the data transferred
*/
-bool address_space_write(AddressSpace *as, hwaddr addr,
- const uint8_t *buf, int len);
+MemTxResult address_space_write(AddressSpace *as, hwaddr addr,
+ MemTxAttrs attrs,
+ const uint8_t *buf, int len);
/**
* address_space_read: read from an address space.
*
- * Return true if the operation hit any unassigned memory or encountered an
- * IOMMU fault.
+ * Return a MemTxResult indicating whether the operation succeeded
+ * or failed (eg unassigned memory, device rejected the transaction,
+ * IOMMU fault).
*
* @as: #AddressSpace to be accessed
* @addr: address within that address space
+ * @attrs: memory transaction attributes
* @buf: buffer with the data transferred
*/
-bool address_space_read(AddressSpace *as, hwaddr addr, uint8_t *buf, int len);
+MemTxResult address_space_read(AddressSpace *as, hwaddr addr, MemTxAttrs attrs,
+ uint8_t *buf, int len);
/* address_space_translate: translate an address range into an address space
* into a MemoryRegion and an address range into that section