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authorkaf24@scramble.cl.cam.ac.uk <kaf24@scramble.cl.cam.ac.uk>2003-03-12 00:15:31 +0000
committerkaf24@scramble.cl.cam.ac.uk <kaf24@scramble.cl.cam.ac.uk>2003-03-12 00:15:31 +0000
commitee53d3b8685245febda44ac761877871ec4cd0f4 (patch)
tree67e5392c3f16c0716b3ca8356cd93cd244b58d4b /xenolinux-2.4.21-pre4-sparse/include/asm-xeno/io_apic.h
parent7c2ffc6c5043e0a49fbe1b81f9da465ec68a9e64 (diff)
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bitkeeper revision 1.122.1.5 (3e6e7c23wQxW8Ugs0UKsqigrHkcXQg)
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Diffstat (limited to 'xenolinux-2.4.21-pre4-sparse/include/asm-xeno/io_apic.h')
-rw-r--r--xenolinux-2.4.21-pre4-sparse/include/asm-xeno/io_apic.h148
1 files changed, 0 insertions, 148 deletions
diff --git a/xenolinux-2.4.21-pre4-sparse/include/asm-xeno/io_apic.h b/xenolinux-2.4.21-pre4-sparse/include/asm-xeno/io_apic.h
deleted file mode 100644
index 196d04ada2..0000000000
--- a/xenolinux-2.4.21-pre4-sparse/include/asm-xeno/io_apic.h
+++ /dev/null
@@ -1,148 +0,0 @@
-#ifndef __ASM_IO_APIC_H
-#define __ASM_IO_APIC_H
-
-#include <linux/config.h>
-#include <asm/types.h>
-
-/*
- * Intel IO-APIC support for SMP and UP systems.
- *
- * Copyright (C) 1997, 1998, 1999, 2000 Ingo Molnar
- */
-
-#ifdef CONFIG_X86_IO_APIC
-
-#define APIC_MISMATCH_DEBUG
-
-#define IO_APIC_BASE(idx) \
- ((volatile int *)(__fix_to_virt(FIX_IO_APIC_BASE_0 + idx) \
- + (mp_ioapics[idx].mpc_apicaddr & ~PAGE_MASK)))
-
-/*
- * The structure of the IO-APIC:
- */
-struct IO_APIC_reg_00 {
- __u32 __reserved_2 : 24,
- ID : 4,
- __reserved_1 : 4;
-} __attribute__ ((packed));
-
-struct IO_APIC_reg_01 {
- __u32 version : 8,
- __reserved_2 : 7,
- PRQ : 1,
- entries : 8,
- __reserved_1 : 8;
-} __attribute__ ((packed));
-
-struct IO_APIC_reg_02 {
- __u32 __reserved_2 : 24,
- arbitration : 4,
- __reserved_1 : 4;
-} __attribute__ ((packed));
-
-/*
- * # of IO-APICs and # of IRQ routing registers
- */
-extern int nr_ioapics;
-extern int nr_ioapic_registers[MAX_IO_APICS];
-
-enum ioapic_irq_destination_types {
- dest_Fixed = 0,
- dest_LowestPrio = 1,
- dest_SMI = 2,
- dest__reserved_1 = 3,
- dest_NMI = 4,
- dest_INIT = 5,
- dest__reserved_2 = 6,
- dest_ExtINT = 7
-};
-
-struct IO_APIC_route_entry {
- __u32 vector : 8,
- delivery_mode : 3, /* 000: FIXED
- * 001: lowest prio
- * 111: ExtINT
- */
- dest_mode : 1, /* 0: physical, 1: logical */
- delivery_status : 1,
- polarity : 1,
- irr : 1,
- trigger : 1, /* 0: edge, 1: level */
- mask : 1, /* 0: enabled, 1: disabled */
- __reserved_2 : 15;
-
- union { struct { __u32
- __reserved_1 : 24,
- physical_dest : 4,
- __reserved_2 : 4;
- } physical;
-
- struct { __u32
- __reserved_1 : 24,
- logical_dest : 8;
- } logical;
- } dest;
-
-} __attribute__ ((packed));
-
-/*
- * MP-BIOS irq configuration table structures:
- */
-
-/* I/O APIC entries */
-extern struct mpc_config_ioapic mp_ioapics[MAX_IO_APICS];
-
-/* # of MP IRQ source entries */
-extern int mp_irq_entries;
-
-/* MP IRQ source entries */
-extern struct mpc_config_intsrc *mp_irqs;
-
-/* non-0 if default (table-less) MP configuration */
-extern int mpc_default_type;
-
-static inline unsigned int io_apic_read(unsigned int apic, unsigned int reg)
-{
- *IO_APIC_BASE(apic) = reg;
- return *(IO_APIC_BASE(apic)+4);
-}
-
-static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned int value)
-{
- *IO_APIC_BASE(apic) = reg;
- *(IO_APIC_BASE(apic)+4) = value;
-}
-
-/*
- * Re-write a value: to be used for read-modify-write
- * cycles where the read already set up the index register.
- */
-static inline void io_apic_modify(unsigned int apic, unsigned int value)
-{
- *(IO_APIC_BASE(apic)+4) = value;
-}
-
-/*
- * Synchronize the IO-APIC and the CPU by doing
- * a dummy read from the IO-APIC
- */
-static inline void io_apic_sync(unsigned int apic)
-{
- (void) *(IO_APIC_BASE(apic)+4);
-}
-
-/* 1 if "noapic" boot option passed */
-extern int skip_ioapic_setup;
-
-/*
- * If we use the IO-APIC for IRQ routing, disable automatic
- * assignment of PCI IRQ's.
- */
-#define io_apic_assign_pci_irqs (mp_irq_entries && !skip_ioapic_setup)
-
-#else /* !CONFIG_X86_IO_APIC */
-#define io_apic_assign_pci_irqs 0
-#endif
-
-#endif