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| author | Lu Baolu <baolu.lu@linux.intel.com> | 2020-07-24 03:49:21 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2020-07-24 10:51:21 +0200 |
| commit | dd6692f1b883bac46036000a1e3a0b3785f89e87 (patch) | |
| tree | c3942f412660c1581d5ae51995298b59854760ff /drivers/iommu/intel/svm.c | |
| parent | iommu/vt-d: Disable multiple GPASID-dev bind (diff) | |
| download | linux-dd6692f1b883bac46036000a1e3a0b3785f89e87.tar.xz linux-dd6692f1b883bac46036000a1e3a0b3785f89e87.zip | |
iommu/vt-d: Refactor device_to_iommu() helper
It is refactored in two ways:
- Make it global so that it could be used in other files.
- Make bus/devfn optional so that callers could ignore these two returned
values when they only want to get the coresponding iommu pointer.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20200724014925.15523-9-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/intel/svm.c')
| -rw-r--r-- | drivers/iommu/intel/svm.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index d386853121a2..65d2327dcd0d 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -231,7 +231,7 @@ static LIST_HEAD(global_svm_list); int intel_svm_bind_gpasid(struct iommu_domain *domain, struct device *dev, struct iommu_gpasid_bind_data *data) { - struct intel_iommu *iommu = intel_svm_device_to_iommu(dev); + struct intel_iommu *iommu = device_to_iommu(dev, NULL, NULL); struct dmar_domain *dmar_domain; struct intel_svm_dev *sdev; struct intel_svm *svm; @@ -369,7 +369,7 @@ int intel_svm_bind_gpasid(struct iommu_domain *domain, struct device *dev, int intel_svm_unbind_gpasid(struct device *dev, int pasid) { - struct intel_iommu *iommu = intel_svm_device_to_iommu(dev); + struct intel_iommu *iommu = device_to_iommu(dev, NULL, NULL); struct intel_svm_dev *sdev; struct intel_svm *svm; int ret = -EINVAL; @@ -426,7 +426,7 @@ static int intel_svm_bind_mm(struct device *dev, int flags, struct svm_dev_ops *ops, struct mm_struct *mm, struct intel_svm_dev **sd) { - struct intel_iommu *iommu = intel_svm_device_to_iommu(dev); + struct intel_iommu *iommu = device_to_iommu(dev, NULL, NULL); struct device_domain_info *info; struct intel_svm_dev *sdev; struct intel_svm *svm = NULL; @@ -604,7 +604,7 @@ static int intel_svm_unbind_mm(struct device *dev, int pasid) struct intel_svm *svm; int ret = -EINVAL; - iommu = intel_svm_device_to_iommu(dev); + iommu = device_to_iommu(dev, NULL, NULL); if (!iommu) goto out; |