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iommu/vt-d: Make intel_svm_set_dev_pasid() support domain replacement

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Make intel_svm_set_dev_pasid() support replacement.

Signed-off-by: Yi Liu <yi.l.liu@intel.com>
Link: https://lore.kernel.org/r/20241107122234.7424-10-yi.l.liu@intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Yi Liu 2024-11-08 10:14:00 +08:00 committed by Joerg Roedel
parent c33e20869c
commit cfb31f194a
3 changed files with 12 additions and 6 deletions
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2
drivers/iommu/intel/iommu.c
View File

@ -1752,7 +1752,7 @@ static void domain_context_clear_one(struct device_domain_info *info, u8 bus, u8
intel_context_flush_present(info, context, did, true);
}
static int __domain_setup_first_level(struct intel_iommu *iommu,
int __domain_setup_first_level(struct intel_iommu *iommu,
struct device *dev, ioasid_t pasid,
u16 did, pgd_t *pgd, int flags,
struct iommu_domain *old)

5
drivers/iommu/intel/iommu.h
View File

@ -1250,6 +1250,11 @@ domain_add_dev_pasid(struct iommu_domain *domain,
void domain_remove_dev_pasid(struct iommu_domain *domain,
struct device *dev, ioasid_t pasid);
int __domain_setup_first_level(struct intel_iommu *iommu,
struct device *dev, ioasid_t pasid,
u16 did, pgd_t *pgd, int flags,
struct iommu_domain *old);
int dmar_ir_support(void);
void iommu_flush_write_buffer(struct intel_iommu *iommu);

5
drivers/iommu/intel/svm.c
View File

@ -127,8 +127,9 @@ static int intel_svm_set_dev_pasid(struct iommu_domain *domain,
/* Setup the pasid table: */
sflags = cpu_feature_enabled(X86_FEATURE_LA57) ? PASID_FLAG_FL5LP : 0;
ret = intel_pasid_setup_first_level(iommu, dev, mm->pgd, pasid,
FLPT_DEFAULT_DID, sflags);
ret = __domain_setup_first_level(iommu, dev, pasid,
FLPT_DEFAULT_DID, mm->pgd,
sflags, old);
if (ret)
goto out_remove_dev_pasid;