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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>
This commit is contained in:
Jiang Liu 2014-07-11 14:19:32 +08:00 committed by Joerg Roedel
parent 129ad28100
commit 8594d83261
1 changed files with 19 additions and 33 deletions
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52
include/linux/dmar.h
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@ -114,22 +114,30 @@ extern int dmar_remove_dev_scope(struct dmar_pci_notify_info *info,
/* Intel IOMMU detection */ /* Intel IOMMU detection */
extern int detect_intel_iommu(void); extern int detect_intel_iommu(void);
extern int enable_drhd_fault_handling(void); extern int enable_drhd_fault_handling(void);
#else
struct dmar_pci_notify_info;
static inline int detect_intel_iommu(void)
{
return -ENODEV;
}
static inline int dmar_table_init(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 enable_drhd_fault_handling(void) static inline int dmar_parse_one_atsr(struct acpi_dmar_header *header)
{ {
return -1; return 0;
} }
#endif /* !CONFIG_DMAR_TABLE */ static inline int dmar_iommu_notify_scope_dev(struct dmar_pci_notify_info *info)
{
return 0;
}
#endif /* CONFIG_INTEL_IOMMU */
#endif /* CONFIG_DMAR_TABLE */
struct irte { struct irte {
union { 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 irqreturn_t dmar_fault(int irq, void *dev_id);
extern int arch_setup_dmar_msi(unsigned int irq); 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__ */ #endif /* __DMAR_H__ */