diff options
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_types.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_types.h')
-rw-r--r-- | drivers/iommu/amd_iommu_types.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h index 060724e02e9f..8e1a6460f683 100644 --- a/drivers/iommu/amd_iommu_types.h +++ b/drivers/iommu/amd_iommu_types.h @@ -142,6 +142,7 @@ #define CMD_INV_DEV_ENTRY 0x02 #define CMD_INV_IOMMU_PAGES 0x03 #define CMD_INV_IOTLB_PAGES 0x04 +#define CMD_COMPLETE_PPR 0x07 #define CMD_INV_ALL 0x08 #define CMD_COMPL_WAIT_STORE_MASK 0x01 @@ -150,6 +151,9 @@ #define CMD_INV_IOMMU_PAGES_PDE_MASK 0x02 #define CMD_INV_IOMMU_PAGES_GN_MASK 0x04 +#define PPR_STATUS_MASK 0xf +#define PPR_STATUS_SHIFT 12 + #define CMD_INV_IOMMU_ALL_PAGES_ADDRESS 0x7fffffffffffffffULL /* macros and definitions for device table entries */ @@ -394,6 +398,8 @@ struct iommu_dev_data { bool enabled; int qdep; } ats; /* ATS state */ + bool pri_tlp; /* PASID TLB required for + PPR completions */ }; /* |