X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=include%2Fasm-x86_64%2Fhw_irq.h;h=179cce755aa75656380f7f4e9005cebd46010742;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=2df689dd6d77111e20e942ce966f0bff074b508a;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git diff --git a/include/asm-x86_64/hw_irq.h b/include/asm-x86_64/hw_irq.h index 2df689dd6..179cce755 100644 --- a/include/asm-x86_64/hw_irq.h +++ b/include/asm-x86_64/hw_irq.h @@ -12,20 +12,17 @@ * * * hacked by Andi Kleen for x86-64. - * - * $Id: hw_irq.h,v 1.24 2001/09/14 20:55:03 vojtech Exp $ */ #ifndef __ASSEMBLY__ -#include #include #include #include #include - -struct hw_interrupt_type; +#include #endif +#define NMI_VECTOR 0x02 /* * IDT vectors usable for external interrupt sources start * at 0x20: @@ -45,19 +42,20 @@ struct hw_interrupt_type; * some of the following vectors are 'rare', they are merged * into a single vector (CALL_FUNCTION_VECTOR) to save vector space. * TLB, reschedule and local APIC vectors are performance-critical. - * - * Vectors 0xf0-0xf9 are free (reserved for future Linux use). */ #define SPURIOUS_APIC_VECTOR 0xff #define ERROR_APIC_VECTOR 0xfe -#define INVALIDATE_TLB_VECTOR 0xfd -#define RESCHEDULE_VECTOR 0xfc -#define TASK_MIGRATION_VECTOR 0xfb -#define CALL_FUNCTION_VECTOR 0xfa -#define KDB_VECTOR 0xf9 - -#define THERMAL_APIC_VECTOR 0xf0 - +#define RESCHEDULE_VECTOR 0xfd +#define CALL_FUNCTION_VECTOR 0xfc +/* fb free - please don't readd KDB here because it's useless + (hint - think what a NMI bit does to a vector) */ +#define THERMAL_APIC_VECTOR 0xfa +#define THRESHOLD_APIC_VECTOR 0xf9 +/* f8 free */ +#define INVALIDATE_TLB_VECTOR_END 0xf7 +#define INVALIDATE_TLB_VECTOR_START 0xf0 /* f0-f7 used for TLB flush */ + +#define NUM_INVALIDATE_TLB_VECTORS 8 /* * Local APIC timer IRQ vector is on a different priority level, @@ -76,9 +74,10 @@ struct hw_interrupt_type; #ifndef __ASSEMBLY__ -extern u8 irq_vector[NR_IRQ_VECTORS]; -#define IO_APIC_VECTOR(irq) (irq_vector[irq]) -#define AUTO_ASSIGN -1 +typedef int vector_irq_t[NR_VECTORS]; +DECLARE_PER_CPU(vector_irq_t, vector_irq); +extern void __setup_vector_irq(int cpu); +extern spinlock_t vector_lock; /* * Various low-level irq details needed by irq.c, process.c, @@ -87,8 +86,6 @@ extern u8 irq_vector[NR_IRQ_VECTORS]; * Interrupt entry/exit code at both C and assembly level */ -extern void mask_irq(unsigned int irq); -extern void unmask_irq(unsigned int irq); extern void disable_8259A_irq(unsigned int irq); extern void enable_8259A_irq(unsigned int irq); extern int i8259A_irq_pending(unsigned int irq); @@ -101,6 +98,7 @@ extern void disable_IO_APIC(void); extern void print_IO_APIC(void); extern int IO_APIC_get_PCI_irq_vector(int bus, int slot, int fn); extern void send_IPI(int dest, int vector); +extern void setup_ioapic_dest(void); extern unsigned long io_apic_irqs; @@ -126,52 +124,9 @@ asmlinkage void IRQ_NAME(nr); \ __asm__( \ "\n.p2align\n" \ "IRQ" #nr "_interrupt:\n\t" \ - "push $" #nr "-256 ; " \ + "push $~(" #nr ") ; " \ "jmp common_interrupt"); -static inline void x86_do_profile (struct pt_regs *regs) -{ - unsigned long rip; - extern unsigned long prof_cpu_mask; - extern char _stext[]; - - profile_hook(regs); - - if (user_mode(regs)) - return; - if (!prof_buffer) - return; - - rip = regs->rip; - - /* - * Only measure the CPUs specified by /proc/irq/prof_cpu_mask. - * (default is all CPUs.) - */ - if (!((1<>= prof_shift; - /* - * Don't ignore out-of-bounds EIP values silently, - * put them into the last histogram slot, so if - * present, they will show up as a sharp peak. - */ - if (rip > prof_len-1) - rip = prof_len-1; - atomic_inc((atomic_t *)&prof_buffer[rip]); -} - -#if defined(CONFIG_X86_IO_APIC) && defined(CONFIG_SMP) -static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i) { - if (IO_APIC_IRQ(i)) - send_IPI_self(IO_APIC_VECTOR(i)); -} -#else -static inline void hw_resend_irq(struct hw_interrupt_type *h, unsigned int i) {} -#endif - #define platform_legacy_irq(irq) ((irq) < 16) #endif