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| author |   Lu Baolu <baolu.lu@linux.intel.com> | 2018-12-10 09:59:00 +0800 |
|---|---|---|
| committer |   Joerg Roedel <jroedel@suse.de> | 2018-12-11 10:45:58 +0100 |
| commit | 6f7db75e1c469057fe7588ed959328ead771ccc7 (patch) | |
| tree | b52cb801724f388b5881423963c1f7055ecb174d /include/linux/intel-iommu.h | |
| parent | iommu/vt-d: Reserve a domain id for FL and PT modes (diff) | |
| download | wireguard-linux-6f7db75e1c469057fe7588ed959328ead771ccc7.tar.xz wireguard-linux-6f7db75e1c469057fe7588ed959328ead771ccc7.zip | |
iommu/vt-d: Add second level page table interface
This adds the interfaces to setup or tear down the structures
for second level page table translations. This includes types
of second level only translation and pass through.
Cc: Ashok Raj <ashok.raj@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Sanjay Kumar <sanjay.k.kumar@intel.com>
Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'include/linux/intel-iommu.h')
| -rw-r--r-- | include/linux/intel-iommu.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index 08ff588a4df7..cb3ebda47fa7 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -177,6 +177,8 @@ * Extended Capability Register */ +#define ecap_smpwc(e) (((e) >> 48) & 0x1) +#define ecap_slts(e) (((e) >> 46) & 0x1) #define ecap_smts(e) (((e) >> 43) & 0x1) #define ecap_dit(e) ((e >> 41) & 0x1) #define ecap_pasid(e) ((e >> 40) & 0x1) @@ -662,6 +664,7 @@ void free_pgtable_page(void *vaddr); struct intel_iommu *domain_get_iommu(struct dmar_domain *domain); int for_each_device_domain(int (*fn)(struct device_domain_info *info, void *data), void *data); +void iommu_flush_write_buffer(struct intel_iommu *iommu); #ifdef CONFIG_INTEL_IOMMU_SVM int intel_svm_init(struct intel_iommu *iommu); |