static void __init smp_intr_init(void)
{
#ifdef CONFIG_SMP
#if defined(CONFIG_X86_64) || defined(CONFIG_X86_LOCAL_APIC)
/*
* The reschedule interrupt is a CPU-to-CPU reschedule-helper
* IPI, driven by wakeup.
*/
alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt);
/* IPI for generic function call */
alloc_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt);
/* IPI for generic single function call */
alloc_intr_gate(CALL_FUNCTION_SINGLE_VECTOR,
call_function_single_interrupt);
/* Low priority IPI to cleanup after moving an irq */
set_intr_gate(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt);
set_bit(IRQ_MOVE_CLEANUP_VECTOR, used_vectors);
/* IPI used for rebooting/stopping */
alloc_intr_gate(REBOOT_VECTOR, reboot_interrupt);
#endif
#endif /* CONFIG_SMP */
}
static void __init apic_intr_init(void)
{
smp_intr_init();
#ifdef CONFIG_X86_THERMAL_VECTOR
alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt);
#endif
#ifdef CONFIG_X86_MCE_THRESHOLD
alloc_intr_gate(THRESHOLD_APIC_VECTOR, threshold_interrupt);
#endif
#if defined(CONFIG_X86_MCE) && defined(CONFIG_X86_LOCAL_APIC)
alloc_intr_gate(MCE_SELF_VECTOR, mce_self_interrupt);
#endif
#if defined(CONFIG_X86_64) || defined(CONFIG_X86_LOCAL_APIC)
/* self generated IPI for local APIC timer */
alloc_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt);
/* IPI for X86 platform specific use */
alloc_intr_gate(X86_PLATFORM_IPI_VECTOR, x86_platform_ipi);
/* IPI vectors for APIC spurious and error interrupts */
alloc_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt);
alloc_intr_gate(ERROR_APIC_VECTOR, error_interrupt);
/* Performance monitoring interrupts: */
# ifdef CONFIG_PERF_EVENTS
alloc_intr_gate(LOCAL_PENDING_VECTOR, perf_pending_interrupt);
# endif
#endif
}
static void __init apic_intr_init(void)
{
smp_intr_init();
#ifdef CONFIG_X86_THERMAL_VECTOR
alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt);
#endif
#ifdef CONFIG_X86_MCE_THRESHOLD
alloc_intr_gate(THRESHOLD_APIC_VECTOR, threshold_interrupt);
#endif
#if defined(CONFIG_X86_64) || defined(CONFIG_X86_LOCAL_APIC)
/* self generated IPI for local APIC timer */
alloc_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt);
/* IPI for X86 platform specific use */
alloc_intr_gate(X86_PLATFORM_IPI_VECTOR, x86_platform_ipi);
#ifdef CONFIG_HAVE_KVM
/* IPI for KVM to deliver posted interrupt */
alloc_intr_gate(POSTED_INTR_VECTOR, kvm_posted_intr_ipi);
#endif
/* IPI vectors for APIC spurious and error interrupts */
alloc_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt);
alloc_intr_gate(ERROR_APIC_VECTOR, error_interrupt);
/* IRQ work interrupts: */
# ifdef CONFIG_IRQ_WORK
alloc_intr_gate(IRQ_WORK_VECTOR, irq_work_interrupt);
# endif
#endif
}
static void __init apic_intr_init(void)
{
smp_intr_init();
alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt);
alloc_intr_gate(THRESHOLD_APIC_VECTOR, threshold_interrupt);
/* self generated IPI for local APIC timer */
alloc_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt);
/* IPI vectors for APIC spurious and error interrupts */
alloc_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt);
alloc_intr_gate(ERROR_APIC_VECTOR, error_interrupt);
}
void hv_register_vmbus_handler(int irq, irq_handler_t handler)
{
/*
* Setup the IDT for hypervisor callback.
*/
alloc_intr_gate(HYPERVISOR_CALLBACK_VECTOR, hyperv_callback_vector);
vmbus_irq = irq;
vmbus_isr = handler;
}
void hv_setup_vmbus_irq(void (*handler)(void))
{
vmbus_handler = handler;
/*
* Setup the IDT for hypervisor callback. Prevent reallocation
* at module reload.
*/
if (!test_bit(HYPERVISOR_CALLBACK_VECTOR, used_vectors))
alloc_intr_gate(HYPERVISOR_CALLBACK_VECTOR,
hyperv_callback_vector);
}
static void __init smp_intr_init(void)
{
#ifdef NOT_FOR_L4
#ifdef CONFIG_SMP
#if defined(CONFIG_X86_64) || defined(CONFIG_X86_LOCAL_APIC)
/*
* The reschedule interrupt is a CPU-to-CPU reschedule-helper
* IPI, driven by wakeup.
*/
alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt);
/* IPIs for invalidation */
#define ALLOC_INVTLB_VEC(NR) \
alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+NR, \
invalidate_interrupt##NR)
switch (NUM_INVALIDATE_TLB_VECTORS) {
default:
ALLOC_INVTLB_VEC(31);
case 31:
ALLOC_INVTLB_VEC(30);
case 30:
ALLOC_INVTLB_VEC(29);
case 29:
ALLOC_INVTLB_VEC(28);
case 28:
ALLOC_INVTLB_VEC(27);
case 27:
ALLOC_INVTLB_VEC(26);
case 26:
ALLOC_INVTLB_VEC(25);
case 25:
ALLOC_INVTLB_VEC(24);
case 24:
ALLOC_INVTLB_VEC(23);
case 23:
ALLOC_INVTLB_VEC(22);
case 22:
ALLOC_INVTLB_VEC(21);
case 21:
ALLOC_INVTLB_VEC(20);
case 20:
ALLOC_INVTLB_VEC(19);
case 19:
ALLOC_INVTLB_VEC(18);
case 18:
ALLOC_INVTLB_VEC(17);
case 17:
ALLOC_INVTLB_VEC(16);
case 16:
ALLOC_INVTLB_VEC(15);
case 15:
ALLOC_INVTLB_VEC(14);
case 14:
ALLOC_INVTLB_VEC(13);
case 13:
ALLOC_INVTLB_VEC(12);
case 12:
ALLOC_INVTLB_VEC(11);
case 11:
ALLOC_INVTLB_VEC(10);
case 10:
ALLOC_INVTLB_VEC(9);
case 9:
ALLOC_INVTLB_VEC(8);
case 8:
ALLOC_INVTLB_VEC(7);
case 7:
ALLOC_INVTLB_VEC(6);
case 6:
ALLOC_INVTLB_VEC(5);
case 5:
ALLOC_INVTLB_VEC(4);
case 4:
ALLOC_INVTLB_VEC(3);
case 3:
ALLOC_INVTLB_VEC(2);
case 2:
ALLOC_INVTLB_VEC(1);
case 1:
ALLOC_INVTLB_VEC(0);
break;
}
/* IPI for generic function call */
alloc_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt);
/* IPI for generic single function call */
alloc_intr_gate(CALL_FUNCTION_SINGLE_VECTOR,
call_function_single_interrupt);
/* Low priority IPI to cleanup after moving an irq */
set_intr_gate(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt);
set_bit(IRQ_MOVE_CLEANUP_VECTOR, used_vectors);
/* IPI used for rebooting/stopping */
alloc_intr_gate(REBOOT_VECTOR, reboot_interrupt);
#endif
#endif /* CONFIG_SMP */
#endif
}
static void __init smp_intr_init(void)
{
#ifdef CONFIG_SMP
/*
* The reschedule interrupt is a CPU-to-CPU reschedule-helper
* IPI, driven by wakeup.
*/
alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt);
/* IPIs for invalidation */
alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+0, invalidate_interrupt0);
alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+1, invalidate_interrupt1);
alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+2, invalidate_interrupt2);
alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+3, invalidate_interrupt3);
alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+4, invalidate_interrupt4);
alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+5, invalidate_interrupt5);
alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+6, invalidate_interrupt6);
alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+7, invalidate_interrupt7);
/* IPI for generic function call */
alloc_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt);
/* IPI for generic single function call */
alloc_intr_gate(CALL_FUNCTION_SINGLE_VECTOR,
call_function_single_interrupt);
/* Low priority IPI to cleanup after moving an irq */
set_intr_gate(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt);
set_bit(IRQ_MOVE_CLEANUP_VECTOR, used_vectors);
#endif
}
void __init native_init_IRQ(void)
{
int i;
/* all the set up before the call gates are initialised */
pre_intr_init_hook();
/*
* Cover the whole vector space, no vector can escape
* us. (some of these will be overridden and become
* 'special' SMP interrupts)
*/
for (i = FIRST_EXTERNAL_VECTOR; i < NR_VECTORS; i++) {
/* SYSCALL_VECTOR was reserved in trap_init. */
if (i != SYSCALL_VECTOR)
set_intr_gate(i, interrupt[i]);
}
#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_SMP)
/*
* The reschedule interrupt is a CPU-to-CPU reschedule-helper
* IPI, driven by wakeup.
*/
alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt);
/* IPI for invalidation */
alloc_intr_gate(INVALIDATE_TLB_VECTOR, invalidate_interrupt);
/* IPI for generic function call */
alloc_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt);
/* IPI for single call function */
set_intr_gate(CALL_FUNCTION_SINGLE_VECTOR, call_function_single_interrupt);
/* Low priority IPI to cleanup after moving an irq */
set_intr_gate(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt);
#endif
#ifdef CONFIG_X86_LOCAL_APIC
/* self generated IPI for local APIC timer */
alloc_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt);
/* IPI vectors for APIC spurious and error interrupts */
alloc_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt);
alloc_intr_gate(ERROR_APIC_VECTOR, error_interrupt);
#endif
#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86_MCE_P4THERMAL)
/* thermal monitor LVT interrupt */
alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt);
#endif
if (!acpi_ioapic)
setup_irq(2, &irq2);
/* setup after call gates are initialised (usually add in
* the architecture specific gates)
*/
intr_init_hook();
/*
* External FPU? Set up irq13 if so, for
* original braindamaged IBM FERR coupling.
*/
if (boot_cpu_data.hard_math && !cpu_has_fpu)
setup_irq(FPU_IRQ, &fpu_irq);
irq_ctx_init(smp_processor_id());
}
