diff options
Diffstat (limited to 'drivers/iommu/amd/amd_iommu.h')
| -rw-r--r-- | drivers/iommu/amd/amd_iommu.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/iommu/amd/amd_iommu.h b/drivers/iommu/amd/amd_iommu.h index b4adab698563..026ce7f8d993 100644 --- a/drivers/iommu/amd/amd_iommu.h +++ b/drivers/iommu/amd/amd_iommu.h @@ -36,6 +36,7 @@ extern void amd_iommu_disable(void); extern int amd_iommu_reenable(int); extern int amd_iommu_enable_faulting(void); extern int amd_iommu_guest_ir; +extern enum io_pgtable_fmt amd_iommu_pgtable; /* IOMMUv2 specific functions */ struct iommu_domain; @@ -56,6 +57,10 @@ extern void amd_iommu_domain_direct_map(struct iommu_domain *dom); extern int amd_iommu_domain_enable_v2(struct iommu_domain *dom, int pasids); extern int amd_iommu_flush_page(struct iommu_domain *dom, u32 pasid, u64 address); +extern void amd_iommu_update_and_flush_device_table(struct protection_domain *domain); +extern void amd_iommu_domain_update(struct protection_domain *domain); +extern void amd_iommu_domain_flush_complete(struct protection_domain *domain); +extern void amd_iommu_domain_flush_tlb_pde(struct protection_domain *domain); extern int amd_iommu_flush_tlb(struct iommu_domain *dom, u32 pasid); extern int amd_iommu_domain_set_gcr3(struct iommu_domain *dom, u32 pasid, unsigned long cr3); @@ -99,6 +104,21 @@ static inline void *iommu_phys_to_virt(unsigned long paddr) return phys_to_virt(__sme_clr(paddr)); } +static inline +void amd_iommu_domain_set_pt_root(struct protection_domain *domain, u64 root) +{ + atomic64_set(&domain->iop.pt_root, root); + domain->iop.root = (u64 *)(root & PAGE_MASK); + domain->iop.mode = root & 7; /* lowest 3 bits encode pgtable mode */ +} + +static inline +void amd_iommu_domain_clr_pt_root(struct protection_domain *domain) +{ + amd_iommu_domain_set_pt_root(domain, 0); +} + + extern bool translation_pre_enabled(struct amd_iommu *iommu); extern bool amd_iommu_is_attach_deferred(struct iommu_domain *domain, struct device *dev); @@ -111,4 +131,6 @@ void amd_iommu_apply_ivrs_quirks(void); static inline void amd_iommu_apply_ivrs_quirks(void) { } #endif +extern void amd_iommu_domain_set_pgtable(struct protection_domain *domain, + u64 *root, int mode); #endif |