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| author | Joerg Roedel <joerg.roedel@amd.com> | 2011-11-21 18:19:25 +0100 |
|---|---|---|
| committer | Hiroshi DOYU <hdoyu@nvidia.com> | 2012-01-23 11:11:40 +0200 |
| commit | 6f0ca92552dd50f004cfa032f92874353d113e23 (patch) | |
| tree | a2a1fe5ce0c5d5d6d0d5dc5e91c1e8efe2934db0 /drivers/iommu/amd_iommu_proto.h | |
| parent | ebaea77b570c617e72eb48165b2db74b0a2b682c (diff) | |
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 |