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| author | Lu Baolu <baolu.lu@linux.intel.com> | 2020-07-24 04:49:21 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2020-07-24 11:51:21 +0300 |
| commit | dd6692f1b883bac46036000a1e3a0b3785f89e87 (patch) | |
| tree | c3942f412660c1581d5ae51995298b59854760ff /include/linux/intel-iommu.h | |
| parent | d315e9e684d1efd4cb2e8cd70b8d71dec02fcf1f (diff) | |
| download | linux-dd6692f1b883bac46036000a1e3a0b3785f89e87.tar.xz | |
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 'include/linux/intel-iommu.h')
| -rw-r--r-- | include/linux/intel-iommu.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index c7a8aae36771..a57ffbcc84c7 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -727,6 +727,7 @@ void iommu_flush_write_buffer(struct intel_iommu *iommu); int intel_iommu_enable_pasid(struct intel_iommu *iommu, struct device *dev); struct dmar_domain *find_domain(struct device *dev); struct device_domain_info *get_domain_info(struct device *dev); +struct intel_iommu *device_to_iommu(struct device *dev, u8 *bus, u8 *devfn); #ifdef CONFIG_INTEL_IOMMU_SVM extern void intel_svm_check(struct intel_iommu *iommu); @@ -765,8 +766,6 @@ struct intel_svm { struct list_head devs; struct list_head list; }; - -extern struct intel_iommu *intel_svm_device_to_iommu(struct device *dev); #else static inline void intel_svm_check(struct intel_iommu *iommu) {} #endif |