diff options
Diffstat (limited to 'arch/x86/include/asm/irq_vectors.h')
| -rw-r--r-- | arch/x86/include/asm/irq_vectors.h | 52 |
1 files changed, 20 insertions, 32 deletions
diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h index 6af0894dafb..5702d7e3111 100644 --- a/arch/x86/include/asm/irq_vectors.h +++ b/arch/x86/include/asm/irq_vectors.h @@ -1,6 +1,7 @@ #ifndef _ASM_X86_IRQ_VECTORS_H #define _ASM_X86_IRQ_VECTORS_H +#include <linux/threads.h> /* * Linux IRQ vector layout. * @@ -16,8 +17,8 @@ * Vectors 0 ... 31 : system traps and exceptions - hardcoded events * Vectors 32 ... 127 : device interrupts * Vector 128 : legacy int80 syscall interface - * Vectors 129 ... 237 : device interrupts - * Vectors 238 ... 255 : special interrupts + * Vectors 129 ... INVALIDATE_TLB_VECTOR_START-1 except 204 : device interrupts + * Vectors INVALIDATE_TLB_VECTOR_START ... 255 : special interrupts * * 64-bit x86 has per CPU IDT tables, 32-bit has one shared IDT table. * @@ -96,37 +97,32 @@ #define THRESHOLD_APIC_VECTOR 0xf9 #define REBOOT_VECTOR 0xf8 -/* f0-f7 used for spreading out TLB flushes: */ -#define INVALIDATE_TLB_VECTOR_END 0xf7 -#define INVALIDATE_TLB_VECTOR_START 0xf0 -#define NUM_INVALIDATE_TLB_VECTORS 8 - -/* - * Local APIC timer IRQ vector is on a different priority level, - * to work around the 'lost local interrupt if more than 2 IRQ - * sources per level' errata. - */ -#define LOCAL_TIMER_VECTOR 0xef - /* * Generic system vector for platform specific use */ -#define X86_PLATFORM_IPI_VECTOR 0xed +#define X86_PLATFORM_IPI_VECTOR 0xf7 + +/* Vector for KVM to deliver posted interrupt IPI */ +#ifdef CONFIG_HAVE_KVM +#define POSTED_INTR_VECTOR 0xf2 +#endif /* * IRQ work vector: */ -#define IRQ_WORK_VECTOR 0xec +#define IRQ_WORK_VECTOR 0xf6 + +#define UV_BAU_MESSAGE 0xf5 -#define UV_BAU_MESSAGE 0xea +/* Vector on which hypervisor callbacks will be delivered */ +#define HYPERVISOR_CALLBACK_VECTOR 0xf3 /* - * Self IPI vector for machine checks + * Local APIC timer IRQ vector is on a different priority level, + * to work around the 'lost local interrupt if more than 2 IRQ + * sources per level' errata. */ -#define MCE_SELF_VECTOR 0xeb - -/* Xen vector callback to receive events in a HVM domain */ -#define XEN_HVM_EVTCHN_CALLBACK 0xe9 +#define LOCAL_TIMER_VECTOR 0xef #define NR_VECTORS 256 @@ -158,19 +154,11 @@ static inline int invalid_vm86_irq(int irq) #define IO_APIC_VECTOR_LIMIT ( 32 * MAX_IO_APICS ) #ifdef CONFIG_X86_IO_APIC -# ifdef CONFIG_SPARSE_IRQ -# define CPU_VECTOR_LIMIT (64 * NR_CPUS) -# define NR_IRQS \ +# define CPU_VECTOR_LIMIT (64 * NR_CPUS) +# define NR_IRQS \ (CPU_VECTOR_LIMIT > IO_APIC_VECTOR_LIMIT ? \ (NR_VECTORS + CPU_VECTOR_LIMIT) : \ (NR_VECTORS + IO_APIC_VECTOR_LIMIT)) -# else -# define CPU_VECTOR_LIMIT (32 * NR_CPUS) -# define NR_IRQS \ - (CPU_VECTOR_LIMIT < IO_APIC_VECTOR_LIMIT ? \ - (NR_VECTORS + CPU_VECTOR_LIMIT) : \ - (NR_VECTORS + IO_APIC_VECTOR_LIMIT)) -# endif #else /* !CONFIG_X86_IO_APIC: */ # define NR_IRQS NR_IRQS_LEGACY #endif |