diff options
Diffstat (limited to 'include/asm-x86/io_apic.h')
| -rw-r--r-- | include/asm-x86/io_apic.h | 65 |
1 files changed, 55 insertions, 10 deletions
diff --git a/include/asm-x86/io_apic.h b/include/asm-x86/io_apic.h index d593e14f034..8ec68a50cf1 100644 --- a/include/asm-x86/io_apic.h +++ b/include/asm-x86/io_apic.h @@ -1,5 +1,5 @@ -#ifndef __ASM_IO_APIC_H -#define __ASM_IO_APIC_H +#ifndef ASM_X86__IO_APIC_H +#define ASM_X86__IO_APIC_H #include <linux/types.h> #include <asm/mpspec.h> @@ -11,6 +11,15 @@ * 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: */ @@ -98,6 +107,20 @@ struct IO_APIC_route_entry { } __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 /* @@ -112,21 +135,32 @@ extern int nr_ioapic_registers[MAX_IO_APICS]; #define MP_MAX_IOAPIC_PIN 127 -struct mp_ioapic_routing { - int apic_id; - int gsi_base; - int gsi_end; - DECLARE_BITMAP(pin_programmed, MP_MAX_IOAPIC_PIN + 1); +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 mpc_config_ioapic mp_ioapics[MAX_IO_APICS]; +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 mpc_config_intsrc mp_irqs[MAX_IRQ_SOURCES]; +extern struct mp_config_intsrc mp_irqs[MAX_IRQ_SOURCES]; /* non-0 if default (table-less) MP configuration */ extern int mpc_default_type; @@ -137,6 +171,9 @@ 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; @@ -160,8 +197,16 @@ extern int io_apic_set_pci_routing(int ioapic, int pin, int irq, 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 + #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) { } #endif -#endif +#endif /* ASM_X86__IO_APIC_H */ |