diff options
| author | Lu Baolu <baolu.lu@linux.intel.com> | 2020-07-24 09:49:24 +0800 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2020-07-24 10:51:21 +0200 |
| commit | 8b73712115ebd603b75876f7d96d59e41d9107ad (patch) | |
| tree | 5f02a3166329ada2bb292b3a5967dc7ea6f9a498 /include/linux/intel-iommu.h | |
| parent | eb8d93ea3c1d35b0baf693dd0b7c87ec62358fc9 (diff) | |
iommu/vt-d: Add page response ops support
After page requests are handled, software must respond to the device
which raised the page request with the result. This is done through
the iommu ops.page_response if the request was reported to outside of
vendor iommu driver through iommu_report_device_fault(). This adds the
VT-d implementation of page_response ops.
Co-developed-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Co-developed-by: Liu Yi L <yi.l.liu@intel.com>
Signed-off-by: Jacob Pan <jacob.jun.pan@linux.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: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20200724014925.15523-12-baolu.lu@linux.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 a57ffbcc84c7..9ff5e340948b 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -740,6 +740,9 @@ struct iommu_sva *intel_svm_bind(struct device *dev, struct mm_struct *mm, void *drvdata); void intel_svm_unbind(struct iommu_sva *handle); int intel_svm_get_pasid(struct iommu_sva *handle); +int intel_svm_page_response(struct device *dev, struct iommu_fault_event *evt, + struct iommu_page_response *msg); + struct svm_dev_ops; struct intel_svm_dev { |