diff options
| author | Fenghua Yu <fenghua.yu@intel.com> | 2009-03-27 14:22:44 -0700 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2009-04-03 21:45:59 +0100 |
| commit | b24696bc55f66fecc30715e003f10fc2555a9271 (patch) | |
| tree | 3ef565bf041a06106a73d0b27ccc256845ef5644 /arch/x86/include | |
| parent | eb4a52bc660ea835482c582eaaf4893742cbd160 (diff) | |
| download | linux-3.10-b24696bc55f66fecc30715e003f10fc2555a9271.tar.gz linux-3.10-b24696bc55f66fecc30715e003f10fc2555a9271.tar.bz2 linux-3.10-b24696bc55f66fecc30715e003f10fc2555a9271.zip | |
Intel IOMMU Suspend/Resume Support - Interrupt Remapping
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>
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/apic.h | 4 | ||||
| -rw-r--r-- | arch/x86/include/asm/io_apic.h | 11 |
2 files changed, 11 insertions, 4 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index df8a300dfe6..f9f0866ed6f 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -108,6 +108,10 @@ extern void native_apic_icr_write(u32 low, u32 id); extern u64 native_apic_icr_read(void); #ifdef CONFIG_X86_X2APIC + +#define EIM_8BIT_APIC_ID 0 +#define EIM_32BIT_APIC_ID 1 + /* * Make previous memory operations globally visible before * sending the IPI through x2apic wrmsr. We need a serializing instruction or diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h index 373cc2bbcad..9d826e43601 100644 --- a/arch/x86/include/asm/io_apic.h +++ b/arch/x86/include/asm/io_apic.h @@ -162,10 +162,13 @@ extern int (*ioapic_renumber_irq)(int ioapic, int irq); extern void ioapic_init_mappings(void); #ifdef CONFIG_X86_64 -extern int save_IO_APIC_setup(void); -extern void mask_IO_APIC_setup(void); -extern void restore_IO_APIC_setup(void); -extern void reinit_intr_remapped_IO_APIC(int); +extern struct IO_APIC_route_entry **alloc_ioapic_entries(void); +extern void free_ioapic_entries(struct IO_APIC_route_entry **ioapic_entries); +extern int save_IO_APIC_setup(struct IO_APIC_route_entry **ioapic_entries); +extern void mask_IO_APIC_setup(struct IO_APIC_route_entry **ioapic_entries); +extern int restore_IO_APIC_setup(struct IO_APIC_route_entry **ioapic_entries); +extern void reinit_intr_remapped_IO_APIC(int intr_remapping, + struct IO_APIC_route_entry **ioapic_entries); #endif extern void probe_nr_irqs_gsi(void); |