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Diffstat (limited to 'include/asm-x86/io_apic.h')
| -rw-r--r-- | include/asm-x86/io_apic.h | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/include/asm-x86/io_apic.h b/include/asm-x86/io_apic.h deleted file mode 100644 index d35cbd7aa587..000000000000 --- a/include/asm-x86/io_apic.h +++ /dev/null @@ -1,204 +0,0 @@ -#ifndef ASM_X86__IO_APIC_H -#define ASM_X86__IO_APIC_H - -#include <linux/types.h> -#include <asm/mpspec.h> -#include <asm/apicdef.h> -#include <asm/irq_vectors.h> - -/* - * Intel IO-APIC support for SMP and UP systems. - * - * Copyright (C) 1997, 1998, 1999, 2000 Ingo Molnar - */ - -/* I/O Unit Redirection Table */ -#define IO_APIC_REDIR_VECTOR_MASK 0x000FF -#define IO_APIC_REDIR_DEST_LOGICAL 0x00800 -#define IO_APIC_REDIR_DEST_PHYSICAL 0x00000 -#define IO_APIC_REDIR_SEND_PENDING (1 << 12) -#define IO_APIC_REDIR_REMOTE_IRR (1 << 14) -#define IO_APIC_REDIR_LEVEL_TRIGGER (1 << 15) -#define IO_APIC_REDIR_MASKED (1 << 16) - -/* - * 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; -}; - -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; - - __u32 __reserved_3 : 24, - dest : 8; -} __attribute__ ((packed)); - -struct IR_IO_APIC_route_entry { - __u64 vector : 8, - zero : 3, - index2 : 1, - delivery_status : 1, - polarity : 1, - irr : 1, - trigger : 1, - mask : 1, - reserved : 31, - format : 1, - index : 15; -} __attribute__ ((packed)); - -#ifdef CONFIG_X86_IO_APIC - -/* - * # of IO-APICs and # of IRQ routing registers - */ -extern int nr_ioapics; -extern int nr_ioapic_registers[MAX_IO_APICS]; - -/* - * MP-BIOS irq configuration table structures: - */ - -#define MP_MAX_IOAPIC_PIN 127 - -struct mp_config_ioapic { - unsigned long mp_apicaddr; - unsigned int mp_apicid; - unsigned char mp_type; - unsigned char mp_apicver; - unsigned char mp_flags; -}; - -struct mp_config_intsrc { - unsigned int mp_dstapic; - unsigned char mp_type; - unsigned char mp_irqtype; - unsigned short mp_irqflag; - unsigned char mp_srcbus; - unsigned char mp_srcbusirq; - unsigned char mp_dstirq; -}; - -/* I/O APIC entries */ -extern struct mp_config_ioapic mp_ioapics[MAX_IO_APICS]; - -/* # of MP IRQ source entries */ -extern int mp_irq_entries; - -/* MP IRQ source entries */ -extern struct mp_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; - -/* 1 if the timer IRQ uses the '8259A Virtual Wire' mode */ -extern int timer_through_8259; - -static inline void disable_ioapic_setup(void) -{ - skip_ioapic_setup = 1; -} - -/* - * 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); -#endif /* CONFIG_ACPI */ - -extern int (*ioapic_renumber_irq)(int ioapic, int irq); -extern void ioapic_init_mappings(void); - -#ifdef CONFIG_X86_64 -extern int save_mask_IO_APIC_setup(void); -extern void restore_IO_APIC_setup(void); -extern void reinit_intr_remapped_IO_APIC(int); -#endif - -extern int probe_nr_irqs(void); - -#else /* !CONFIG_X86_IO_APIC */ -#define io_apic_assign_pci_irqs 0 -static const int timer_through_8259 = 0; -static inline void ioapic_init_mappings(void) { } - -static inline int probe_nr_irqs(void) -{ - return NR_IRQS; -} -#endif - -#endif /* ASM_X86__IO_APIC_H */ |