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iommu/vt-d: Fix sid not set issue in intel_svm_bind_gpasid() 

Should get correct sid and set it into sdev. Because we execute
'sdev->sid != req->rid' in the loop of prq_event_thread().

Fixes: eb8d93ea3c ("iommu/vt-d: Report page request faults for guest SVA")
Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com>
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/1604025444-6954-2-git-send-email-yi.y.sun@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Liu Yi L 2020-10-30 10:37:23 +08:00 committed by Joerg Roedel
parent 6097df457a
commit eea4e29ab8
1 changed files with 6 additions and 0 deletions
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6
drivers/iommu/intel/svm.c
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@ -279,6 +279,7 @@ int intel_svm_bind_gpasid(struct iommu_domain *domain, struct device *dev,
struct intel_iommu *iommu = device_to_iommu(dev, NULL, NULL);
struct intel_svm_dev *sdev = NULL;
struct dmar_domain *dmar_domain;
struct device_domain_info *info;
struct intel_svm *svm = NULL;
int ret = 0;
@ -310,6 +311,10 @@ int intel_svm_bind_gpasid(struct iommu_domain *domain, struct device *dev,
if (data->hpasid <= 0 || data->hpasid >= PASID_MAX)
return -EINVAL;
info = get_domain_info(dev);
if (!info)
return -EINVAL;
dmar_domain = to_dmar_domain(domain);
mutex_lock(&pasid_mutex);
@ -357,6 +362,7 @@ int intel_svm_bind_gpasid(struct iommu_domain *domain, struct device *dev,
goto out;
}
sdev->dev = dev;
sdev->sid = PCI_DEVID(info->bus, info->devfn);
/* Only count users if device has aux domains */
if (iommu_dev_feature_enabled(dev, IOMMU_DEV_FEAT_AUX))