From c99afa25b67339b5fa7ef3767398878be9f60e1f Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Mon, 21 Nov 2011 18:19:25 +0100 Subject: 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 --- drivers/iommu/amd_iommu_proto.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/iommu/amd_iommu_proto.h') 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 -- cgit