diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/dmar.h | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/include/linux/dmar.h b/include/linux/dmar.h index bedebab934b4..4e196430f1b2 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -50,6 +50,15 @@ struct dmar_drhd_unit { struct intel_iommu *iommu; }; +struct dmar_pci_notify_info { + struct pci_dev *dev; + unsigned long event; + int bus; + u16 seg; + u16 level; + struct acpi_dmar_pci_path path[]; +} __attribute__((packed)); + extern struct rw_semaphore dmar_global_lock; extern struct list_head dmar_drhd_units; @@ -89,12 +98,18 @@ extern int dmar_parse_dev_scope(void *start, void *end, int *cnt, struct pci_dev ***devices, u16 segment); extern void *dmar_alloc_dev_scope(void *start, void *end, int *cnt); extern void dmar_free_dev_scope(struct pci_dev __rcu ***devices, int *cnt); -extern void dmar_free_dev_scope(struct pci_dev ***devices, int *cnt); - +extern int dmar_insert_dev_scope(struct dmar_pci_notify_info *info, + void *start, void*end, u16 segment, + struct pci_dev __rcu **devices, + int devices_cnt); +extern int dmar_remove_dev_scope(struct dmar_pci_notify_info *info, + u16 segment, struct pci_dev __rcu **devices, + int count); /* Intel IOMMU detection */ extern int detect_intel_iommu(void); extern int enable_drhd_fault_handling(void); #else +struct dmar_pci_notify_info; static inline int detect_intel_iommu(void) { return -ENODEV; @@ -161,6 +176,7 @@ extern int iommu_detected, no_iommu; extern int dmar_parse_rmrr_atsr_dev(void); extern int dmar_parse_one_rmrr(struct acpi_dmar_header *header); extern int dmar_parse_one_atsr(struct acpi_dmar_header *header); +extern int dmar_iommu_notify_scope_dev(struct dmar_pci_notify_info *info); extern int intel_iommu_init(void); #else /* !CONFIG_INTEL_IOMMU: */ static inline int intel_iommu_init(void) { return -ENODEV; } @@ -176,6 +192,10 @@ static inline int dmar_parse_rmrr_atsr_dev(void) { return 0; } +static inline int dmar_iommu_notify_scope_dev(struct dmar_pci_notify_info *info) +{ + return 0; +} #endif /* CONFIG_INTEL_IOMMU */ #endif /* __DMAR_H__ */ |