diff options
Diffstat (limited to 'drivers/iommu/amd/amd_iommu.h')
| -rw-r--r-- | drivers/iommu/amd/amd_iommu.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/iommu/amd/amd_iommu.h b/drivers/iommu/amd/amd_iommu.h index c160a332ce33..9beeceb9d825 100644 --- a/drivers/iommu/amd/amd_iommu.h +++ b/drivers/iommu/amd/amd_iommu.h @@ -15,9 +15,7 @@ extern irqreturn_t amd_iommu_int_thread(int irq, void *data); extern irqreturn_t amd_iommu_int_handler(int irq, void *data); extern void amd_iommu_apply_erratum_63(struct amd_iommu *iommu, u16 devid); extern void amd_iommu_restart_event_logging(struct amd_iommu *iommu); -extern int amd_iommu_init_devices(void); -extern void amd_iommu_uninit_devices(void); -extern void amd_iommu_init_notifier(void); +extern void amd_iommu_restart_ga_log(struct amd_iommu *iommu); extern void amd_iommu_set_rlookup_table(struct amd_iommu *iommu, u16 devid); #ifdef CONFIG_AMD_IOMMU_DEBUGFS @@ -34,6 +32,7 @@ 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; +extern int amd_iommu_gpt_level; /* IOMMUv2 specific functions */ struct iommu_domain; @@ -122,6 +121,14 @@ static inline int get_pci_sbdf_id(struct pci_dev *pdev) return PCI_SEG_DEVID_TO_SBDF(seg, devid); } +static inline void *alloc_pgtable_page(int nid, gfp_t gfp) +{ + struct page *page; + + page = alloc_pages_node(nid, gfp | __GFP_ZERO, 0); + return page ? page_address(page) : NULL; +} + extern bool translation_pre_enabled(struct amd_iommu *iommu); extern bool amd_iommu_is_attach_deferred(struct device *dev); extern int __init add_special_device(u8 type, u8 id, u32 *devid, |