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Make address_space_map() take a MemTxAttrs argument

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As part of plumbing MemTxAttrs down to the IOMMU translate method,
add MemTxAttrs as an argument to address_space_map().
Its callers either have an attrs value to hand, or don't care
and can use MEMTXATTRS_UNSPECIFIED.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180521140402.23318-5-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2018-05-31 14:50:52 +01:00
parent bc6b1cec84
commit f26404fbee
4 changed files with 10 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

3
include/exec/memory.h
View file

@ -1952,9 +1952,10 @@ bool address_space_access_valid(AddressSpace *as, hwaddr addr, int len, bool is_
* @addr: address within that address space
* @plen: pointer to length of buffer; updated on return
* @is_write: indicates the transfer direction
* @attrs: memory attributes
*/
void *address_space_map(AddressSpace *as, hwaddr addr,
hwaddr *plen, bool is_write);
hwaddr *plen, bool is_write, MemTxAttrs attrs);
/* address_space_unmap: Unmaps a memory region previously mapped by address_space_map()
*

3
include/sysemu/dma.h
View file

@ -132,7 +132,8 @@ static inline void *dma_memory_map(AddressSpace *as,
hwaddr xlen = *len;
void *p;
p = address_space_map(as, addr, &xlen, dir == DMA_DIRECTION_FROM_DEVICE);
p = address_space_map(as, addr, &xlen, dir == DMA_DIRECTION_FROM_DEVICE,
MEMTXATTRS_UNSPECIFIED);
*len = xlen;
return p;
}