diff options
Diffstat (limited to 'include/linux/dmar.h')
| -rw-r--r-- | include/linux/dmar.h | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/include/linux/dmar.h b/include/linux/dmar.h index 0a92e4d978bc..23c8db129560 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -36,13 +36,19 @@ struct acpi_dmar_header; struct intel_iommu; +struct dmar_dev_scope { + struct device __rcu *dev; + u8 bus; + u8 devfn; +}; + #ifdef CONFIG_DMAR_TABLE extern struct acpi_table_header *dmar_tbl; struct dmar_drhd_unit { struct list_head list; /* list of drhd units */ struct acpi_dmar_header *hdr; /* ACPI header */ u64 reg_base_addr; /* register base address*/ - struct pci_dev __rcu **devices;/* target device array */ + struct dmar_dev_scope *devices;/* target device array */ int devices_cnt; /* target device count */ u16 segment; /* PCI domain */ u8 ignored:1; /* ignore drhd */ @@ -86,7 +92,7 @@ static inline bool dmar_rcu_check(void) #define dmar_rcu_dereference(p) rcu_dereference_check((p), dmar_rcu_check()) #define for_each_dev_scope(a, c, p, d) \ - for ((p) = 0; ((d) = (p) < (c) ? dmar_rcu_dereference((a)[(p)]) : \ + for ((p) = 0; ((d) = (p) < (c) ? dmar_rcu_dereference((a)[(p)].dev) : \ NULL, (p) < (c)); (p)++) #define for_each_active_dev_scope(a, c, p, d) \ @@ -95,15 +101,15 @@ static inline bool dmar_rcu_check(void) extern int dmar_table_init(void); extern int dmar_dev_scope_init(void); extern int dmar_parse_dev_scope(void *start, void *end, int *cnt, - struct pci_dev ***devices, u16 segment); + struct dmar_dev_scope **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 dmar_dev_scope **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, + struct dmar_dev_scope *devices, int devices_cnt); extern int dmar_remove_dev_scope(struct dmar_pci_notify_info *info, - u16 segment, struct pci_dev __rcu **devices, + u16 segment, struct dmar_dev_scope *devices, int count); /* Intel IOMMU detection */ extern int detect_intel_iommu(void); |