diff options
Diffstat (limited to 'include/linux/dmar.h')
-rw-r--r-- | include/linux/dmar.h | 43 |
1 files changed, 35 insertions, 8 deletions
diff --git a/include/linux/dmar.h b/include/linux/dmar.h index 7b776d71d36d..a8b1a847c103 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -26,8 +26,13 @@ #include <linux/msi.h> #include <linux/irqreturn.h> +/* DMAR Flags */ +#define DMAR_INTR_REMAP 0x1 +#define DMAR_X2APIC_OPT_OUT 0x2 + struct intel_iommu; -#if defined(CONFIG_DMAR) || defined(CONFIG_INTR_REMAP) +#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 */ @@ -76,7 +81,7 @@ static inline int enable_drhd_fault_handling(void) { return -1; } -#endif /* !CONFIG_DMAR && !CONFIG_INTR_REMAP */ +#endif /* !CONFIG_DMAR_TABLE */ struct irte { union { @@ -107,10 +112,10 @@ struct irte { }; }; -#ifdef CONFIG_INTR_REMAP +#ifdef CONFIG_IRQ_REMAP extern int intr_remapping_enabled; extern int intr_remapping_supported(void); -extern int enable_intr_remapping(int); +extern int enable_intr_remapping(void); extern void disable_intr_remapping(void); extern int reenable_intr_remapping(int); @@ -177,7 +182,7 @@ static inline int set_msi_sid(struct irte *irte, struct pci_dev *dev) #define intr_remapping_enabled (0) -static inline int enable_intr_remapping(int eim) +static inline int enable_intr_remapping(void) { return -1; } @@ -192,6 +197,11 @@ static inline int reenable_intr_remapping(int eim) } #endif +enum { + IRQ_REMAP_XAPIC_MODE, + IRQ_REMAP_X2APIC_MODE, +}; + /* Can't use the common MSI interrupt functions * since DMAR is not a pci device */ @@ -204,7 +214,7 @@ extern int dmar_set_interrupt(struct intel_iommu *iommu); extern irqreturn_t dmar_fault(int irq, void *dev_id); extern int arch_setup_dmar_msi(unsigned int irq); -#ifdef CONFIG_DMAR +#ifdef CONFIG_INTEL_IOMMU extern int iommu_detected, no_iommu; extern struct list_head dmar_rmrr_units; struct dmar_rmrr_unit { @@ -227,9 +237,26 @@ struct dmar_atsr_unit { u8 include_all:1; /* include all ports */ }; +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_parse_dev_scope(void *start, void *end, int *cnt, + struct pci_dev ***devices, u16 segment); extern int intel_iommu_init(void); -#else /* !CONFIG_DMAR: */ +#else /* !CONFIG_INTEL_IOMMU: */ static inline int intel_iommu_init(void) { return -ENODEV; } -#endif /* CONFIG_DMAR */ +static inline int dmar_parse_one_rmrr(struct acpi_dmar_header *header) +{ + return 0; +} +static inline int dmar_parse_one_atsr(struct acpi_dmar_header *header) +{ + return 0; +} +static inline int dmar_parse_rmrr_atsr_dev(void) +{ + return 0; +} +#endif /* CONFIG_INTEL_IOMMU */ #endif /* __DMAR_H__ */ |