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| author | Jiang Liu <jiang.liu@linux.intel.com> | 2014-07-11 14:19:32 +0800 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2014-07-23 16:04:47 +0200 |
| commit | 8594d83261d14754288ef00993f0971131ff08eb (patch) | |
| tree | 00d7c2c9933fb55e0d4e37e3b4c41a3128a529cc /include/linux/dmar.h | |
| parent | 129ad28100cccc0ff01f2227dd8d0849c0114ade (diff) | |
| download | linux-rpi-8594d83261d14754288ef00993f0971131ff08eb.tar.gz linux-rpi-8594d83261d14754288ef00993f0971131ff08eb.tar.bz2 linux-rpi-8594d83261d14754288ef00993f0971131ff08eb.zip | |
iommu/vt-d: Simplify include/linux/dmar.h
Simplify include/linux/dmar.h a bit based on the fact that
both CONFIG_INTEL_IOMMU and CONFIG_IRQ_REMAP select CONFIG_DMAR_TABLE.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'include/linux/dmar.h')
| -rw-r--r-- | include/linux/dmar.h | 50 |
1 files changed, 18 insertions, 32 deletions
diff --git a/include/linux/dmar.h b/include/linux/dmar.h index 23c8db129560..1deece46a0ca 100644 --- a/include/linux/dmar.h +++ b/include/linux/dmar.h @@ -114,22 +114,30 @@ extern int dmar_remove_dev_scope(struct dmar_pci_notify_info *info, /* 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) + +#ifdef CONFIG_INTEL_IOMMU +extern int iommu_detected, no_iommu; +extern int intel_iommu_init(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); +#else /* !CONFIG_INTEL_IOMMU: */ +static inline int intel_iommu_init(void) { return -ENODEV; } +static inline int dmar_parse_one_rmrr(struct acpi_dmar_header *header) { - return -ENODEV; + return 0; } - -static inline int dmar_table_init(void) +static inline int dmar_parse_one_atsr(struct acpi_dmar_header *header) { - return -ENODEV; + return 0; } -static inline int enable_drhd_fault_handling(void) +static inline int dmar_iommu_notify_scope_dev(struct dmar_pci_notify_info *info) { - return -1; + return 0; } -#endif /* !CONFIG_DMAR_TABLE */ +#endif /* CONFIG_INTEL_IOMMU */ + +#endif /* CONFIG_DMAR_TABLE */ struct irte { union { @@ -177,26 +185,4 @@ 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_INTEL_IOMMU -extern int iommu_detected, no_iommu; -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; } -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_iommu_notify_scope_dev(struct dmar_pci_notify_info *info) -{ - return 0; -} -#endif /* CONFIG_INTEL_IOMMU */ - #endif /* __DMAR_H__ */ |