82 lines
1.4 KiB
C
82 lines
1.4 KiB
C
#ifndef __ASM_IO_APIC_REGS_H
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#define __ASM_IO_APIC_REGS_H
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#include <asm/types.h>
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/*
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* The structure of the IO-APIC:
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*/
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union IO_APIC_reg_00 {
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u32 raw;
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struct {
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u32 __reserved_2 : 14,
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LTS : 1,
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delivery_type : 1,
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__reserved_1 : 8,
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ID : 8;
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} __attribute__ ((packed)) bits;
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};
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union IO_APIC_reg_01 {
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u32 raw;
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struct {
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u32 version : 8,
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__reserved_2 : 7,
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PRQ : 1,
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entries : 8,
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__reserved_1 : 8;
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} __attribute__ ((packed)) bits;
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};
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union IO_APIC_reg_02 {
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u32 raw;
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struct {
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u32 __reserved_2 : 24,
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arbitration : 4,
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__reserved_1 : 4;
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} __attribute__ ((packed)) bits;
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};
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union IO_APIC_reg_03 {
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u32 raw;
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struct {
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u32 boot_DT : 1,
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__reserved_1 : 31;
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} __attribute__ ((packed)) bits;
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};
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struct IO_APIC_route_entry {
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__u32 vector : 8,
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delivery_mode : 3, /* 000: FIXED
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* 001: lowest prio
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* 111: ExtINT
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*/
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dest_mode : 1, /* 0: physical, 1: logical */
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delivery_status : 1,
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polarity : 1,
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irr : 1,
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trigger : 1, /* 0: edge, 1: level */
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mask : 1, /* 0: enabled, 1: disabled */
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__reserved_2 : 15;
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__u32 __reserved_3 : 24,
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dest : 8;
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} __attribute__ ((packed));
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struct IR_IO_APIC_route_entry {
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__u64 vector : 8,
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zero : 3,
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index2 : 1,
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delivery_status : 1,
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polarity : 1,
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irr : 1,
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trigger : 1,
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mask : 1,
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reserved : 31,
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format : 1,
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index : 15;
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} __attribute__ ((packed));
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#endif /* __ASM_IO_APIC_REGS_H */
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