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authorJoerg Roedel <joerg.roedel@amd.com>2011-11-21 21:19:25 +0400
committerJoerg Roedel <joerg.roedel@amd.com>2011-12-12 18:19:05 +0400
commitc99afa25b67339b5fa7ef3767398878be9f60e1f (patch)
tree6743ac16764459cbdf519f0c83ca4d0c2d923dfb /drivers/iommu/amd_iommu_proto.h
parentb16137b11b4b4d4bb27b61bba7e05f5fda5968f4 (diff)
downloadlinux-c99afa25b67339b5fa7ef3767398878be9f60e1f.tar.xz
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.h6
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