fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / include / asm-x86_64 / hw_irq.h

diff --git a/include/asm-x86_64/hw_irq.h b/include/asm-x86_64/hw_irq.h
index 2df689d..179cce7 100644 (file)
--- a/include/asm-x86_64/hw_irq.h
+++ b/include/asm-x86_64/hw_irq.h
@@ -12,20 +12,17 @@
  *     <tomsoft@informatik.tu-chemnitz.de>
  *
  *     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 <linux/config.h>
 #include <asm/atomic.h>
 #include <asm/irq.h>
 #include <linux/profile.h>
 #include <linux/smp.h>
-
-struct hw_interrupt_type;
+#include <linux/percpu.h>
 #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<<smp_processor_id()) & prof_cpu_mask))
-               return;
-
-       rip -= (unsigned long) &_stext;
-       rip >>= 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