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authorChristoph Hellwig <hch@lst.de>2017-05-22 11:38:27 +0200
committerChristoph Hellwig <hch@lst.de>2017-06-28 15:54:46 +0200
commit5860acc1a905b05c14e9ed9e22c20aad1a72554a (patch)
treec7de41ef603b7f179b06241ca055966e65dcc995 /arch/x86/include/asm/iommu.h
parentarm: remove arch specific dma_supported implementation (diff)
downloadlinux-5860acc1a905b05c14e9ed9e22c20aad1a72554a.tar.xz
linux-5860acc1a905b05c14e9ed9e22c20aad1a72554a.zip
x86: remove arch specific dma_supported implementation
And instead wire it up as method for all the dma_map_ops instances. Note that this also means the arch specific check will be fully instead of partially applied in the AMD iommu driver. Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'arch/x86/include/asm/iommu.h')
-rw-r--r--arch/x86/include/asm/iommu.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/iommu.h b/arch/x86/include/asm/iommu.h
index 793869879464..fca144a104e4 100644
--- a/arch/x86/include/asm/iommu.h
+++ b/arch/x86/include/asm/iommu.h
@@ -6,6 +6,8 @@ extern int force_iommu, no_iommu;
extern int iommu_detected;
extern int iommu_pass_through;
+int x86_dma_supported(struct device *dev, u64 mask);
+
/* 10 seconds */
#define DMAR_OPERATION_TIMEOUT ((cycles_t) tsc_khz*10*1000)