diff options
Diffstat (limited to 'include/asm-i386/io_apic.h')
-rw-r--r-- | include/asm-i386/io_apic.h | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/include/asm-i386/io_apic.h b/include/asm-i386/io_apic.h deleted file mode 100644 index dbe734ddf2a..00000000000 --- a/include/asm-i386/io_apic.h +++ /dev/null @@ -1,155 +0,0 @@ -#ifndef __ASM_IO_APIC_H -#define __ASM_IO_APIC_H - -#include <asm/types.h> -#include <asm/mpspec.h> -#include <asm/apicdef.h> - -/* - * Intel IO-APIC support for SMP and UP systems. - * - * Copyright (C) 1997, 1998, 1999, 2000 Ingo Molnar - */ - -#ifdef CONFIG_X86_IO_APIC - -/* - * The structure of the IO-APIC: - */ -union IO_APIC_reg_00 { - u32 raw; - struct { - u32 __reserved_2 : 14, - LTS : 1, - delivery_type : 1, - __reserved_1 : 8, - ID : 8; - } __attribute__ ((packed)) bits; -}; - -union IO_APIC_reg_01 { - u32 raw; - struct { - u32 version : 8, - __reserved_2 : 7, - PRQ : 1, - entries : 8, - __reserved_1 : 8; - } __attribute__ ((packed)) bits; -}; - -union IO_APIC_reg_02 { - u32 raw; - struct { - u32 __reserved_2 : 24, - arbitration : 4, - __reserved_1 : 4; - } __attribute__ ((packed)) bits; -}; - -union IO_APIC_reg_03 { - u32 raw; - struct { - u32 boot_DT : 1, - __reserved_1 : 31; - } __attribute__ ((packed)) bits; -}; - -/* - * # 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[MAX_IRQ_SOURCES]; - -/* non-0 if default (table-less) MP configuration */ -extern int mpc_default_type; - -/* Older SiS APIC requires we rewrite the index register */ -extern int sis_apic_bug; - -/* 1 if "noapic" boot option passed */ -extern int skip_ioapic_setup; - -static inline void disable_ioapic_setup(void) -{ - skip_ioapic_setup = 1; -} - -static inline int ioapic_setup_disabled(void) -{ - return 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 && io_apic_irqs) - -#ifdef CONFIG_ACPI -extern int io_apic_get_unique_id (int ioapic, int apic_id); -extern int io_apic_get_version (int ioapic); -extern int io_apic_get_redir_entries (int ioapic); -extern int io_apic_set_pci_routing (int ioapic, int pin, int irq, int edge_level, int active_high_low); -extern int timer_uses_ioapic_pin_0; -#endif /* CONFIG_ACPI */ - -extern int (*ioapic_renumber_irq)(int ioapic, int irq); - -#else /* !CONFIG_X86_IO_APIC */ -#define io_apic_assign_pci_irqs 0 -#endif - -#endif |