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Intel IOMMU Suspend/Resume Support - Interrupt Remapping

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This patch enables suspend/resume for interrupt remapping. During suspend,
interrupt remapping is disabled. When resume, interrupt remapping is enabled
again.

Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Fenghua Yu
2009-03-27 14:22:44 -07:00
committed by David Woodhouse
parent eb4a52bc66
commit b24696bc55
6 changed files with 204 additions and 55 deletions
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2
include/linux/dmar.h
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@@ -108,6 +108,8 @@ struct irte {
#ifdef CONFIG_INTR_REMAP
extern int intr_remapping_enabled;
extern int enable_intr_remapping(int);
extern void disable_intr_remapping(void);
extern int reenable_intr_remapping(int);
extern int get_irte(int irq, struct irte *entry);
extern int modify_irte(int irq, struct irte *irte_modified);