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| author | Joerg Roedel <joerg.roedel@amd.com> | 2011-11-21 18:19:25 +0100 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2011-12-12 15:19:05 +0100 |
| commit | c99afa25b67339b5fa7ef3767398878be9f60e1f (patch) | |
| tree | 6743ac16764459cbdf519f0c83ca4d0c2d923dfb /drivers/iommu/amd_iommu_proto.h | |
| parent | iommu/amd: Implement functions to manage GCR3 table (diff) | |
| download | linux-c99afa25b67339b5fa7ef3767398878be9f60e1f.tar.xz linux-c99afa25b67339b5fa7ef3767398878be9f60e1f.zip | |
iommu/amd: Implement function to send PPR completions
To send completions for PPR requests this patch adds a
function which can be used by the IOMMUv2 driver.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu/amd_iommu_proto.h')
| -rw-r--r-- | drivers/iommu/amd_iommu_proto.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu_proto.h b/drivers/iommu/amd_iommu_proto.h index a951a7090e35..bb5ecfecfa44 100644 --- a/drivers/iommu/amd_iommu_proto.h +++ b/drivers/iommu/amd_iommu_proto.h @@ -47,6 +47,12 @@ extern int amd_iommu_domain_set_gcr3(struct iommu_domain *dom, int pasid, unsigned long cr3); extern int amd_iommu_domain_clear_gcr3(struct iommu_domain *dom, int pasid); +#define PPR_SUCCESS 0x0 +#define PPR_INVALID 0x1 +#define PPR_FAILURE 0xf + +extern int amd_iommu_complete_ppr(struct pci_dev *pdev, int pasid, + int status, int tag); #ifndef CONFIG_AMD_IOMMU_STATS |