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iommu: Add IOMMU index argument to translate method

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Add an IOMMU index argument to the translate method of
IOMMUs. Since all of our current IOMMU implementations
support only a single IOMMU index, this has no effect
on the behaviour.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20180604152941.20374-4-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2018-06-15 14:57:16 +01:00
parent cb1efcf462
commit 2c91bcf273
12 changed files with 24 additions and 13 deletions
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3
include/exec/memory.h
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@ -251,9 +251,10 @@ typedef struct IOMMUMemoryRegionClass {
* @iommu: the IOMMUMemoryRegion
* @hwaddr: address to be translated within the memory region
* @flag: requested access permissions
* @iommu_idx: IOMMU index for the translation
*/
IOMMUTLBEntry (*translate)(IOMMUMemoryRegion *iommu, hwaddr addr,
IOMMUAccessFlags flag);
IOMMUAccessFlags flag, int iommu_idx);
/* Returns minimum supported page size in bytes.
* If this method is not provided then the minimum is assumed to
* be TARGET_PAGE_SIZE.