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| author | Joerg Roedel | 2011-04-05 12:50:24 +0200 |
|---|---|---|
| committer | Joerg Roedel | 2011-04-11 09:04:03 +0200 |
| commit | 60f723b4117507c05c8b0b5c8b98ecc12a76878e (patch) | |
| tree | fb176152997ad9e92ba5e50b27e9bb7e53767b63 /arch/x86/include/asm/amd_iommu_types.h | |
| parent | x86/amd-iommu: Flush device IOTLB if ATS is enabled (diff) | |
| download | kernel-qcow2-linux-60f723b4117507c05c8b0b5c8b98ecc12a76878e.tar.gz kernel-qcow2-linux-60f723b4117507c05c8b0b5c8b98ecc12a76878e.tar.xz kernel-qcow2-linux-60f723b4117507c05c8b0b5c8b98ecc12a76878e.zip | |
x86/amd-iommu: Add flag to indicate IOTLB support
This patch adds a flag to the AMD IOMMU driver to indicate
that all IOMMUs present in the system support device IOTLBs.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'arch/x86/include/asm/amd_iommu_types.h')
| -rw-r--r-- | arch/x86/include/asm/amd_iommu_types.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/amd_iommu_types.h b/arch/x86/include/asm/amd_iommu_types.h index f5d184e7d5be..cb811c965548 100644 --- a/arch/x86/include/asm/amd_iommu_types.h +++ b/arch/x86/include/asm/amd_iommu_types.h @@ -250,6 +250,8 @@ extern bool amd_iommu_dump; /* global flag if IOMMUs cache non-present entries */ extern bool amd_iommu_np_cache; +/* Only true if all IOMMUs support device IOTLBs */ +extern bool amd_iommu_iotlb_sup; /* * Make iterating over all IOMMUs easier |