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x86, x2apic: enable fault handling for intr-remapping

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Impact: interface augmentation (not yet used)

Enable fault handling flow for intr-remapping aswell. Fault handling
code now shared by both dma-remapping and intr-remapping.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Suresh Siddha 2009-03-16 17:04:55 -07:00 • committed by H. Peter Anvin
parent 0ac2491f57
commit 9d783ba042
8 changed files with 107 additions and 28 deletions
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5
include/linux/dmar.h
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@ -49,6 +49,7 @@ extern int dmar_dev_scope_init(void);
/* Intel IOMMU detection */
extern void detect_intel_iommu(void);
extern int enable_drhd_fault_handling(void);
extern int parse_ioapics_under_ir(void);
@ -116,9 +117,6 @@ extern struct intel_iommu *map_ioapic_to_ir(int apic);
#define intr_remapping_enabled (0)
#endif
#ifdef CONFIG_DMAR
extern const char *dmar_get_fault_reason(u8 fault_reason);
/* Can't use the common MSI interrupt functions
* since DMAR is not a pci device
*/
@ -129,6 +127,7 @@ extern void dmar_msi_write(int irq, struct msi_msg *msg);
extern int dmar_set_interrupt(struct intel_iommu *iommu);
extern int arch_setup_dmar_msi(unsigned int irq);
#ifdef CONFIG_DMAR
extern int iommu_detected, no_iommu;
extern struct list_head dmar_rmrr_units;
struct dmar_rmrr_unit {