xref: /kvm-unit-tests/lib/x86/apic.h (revision 7d36db351752e29ad27eaafe3f102de7064e429b)
1 #ifndef CFLAT_APIC_H
2 #define CFLAT_APIC_H
3 
4 #include <stdint.h>
5 #include "apic-defs.h"
6 
7 typedef struct {
8     uint8_t vector;
9     uint8_t delivery_mode:3;
10     uint8_t dest_mode:1;
11     uint8_t delivery_status:1;
12     uint8_t polarity:1;
13     uint8_t remote_irr:1;
14     uint8_t trig_mode:1;
15     uint8_t mask:1;
16     uint8_t reserve:7;
17     uint8_t reserved[4];
18     uint8_t dest_id;
19 } ioapic_redir_entry_t;
20 
21 void mask_pic_interrupts(void);
22 
23 void ioapic_write_redir(unsigned line, ioapic_redir_entry_t e);
24 void ioapic_write_reg(unsigned reg, uint32_t value);
25 
26 void enable_apic(void);
27 uint32_t apic_read(unsigned reg);
28 void apic_write(unsigned reg, uint32_t val);
29 void apic_icr_write(uint32_t val, uint32_t dest);
30 uint32_t apic_id(void);
31 
32 int enable_x2apic(void);
33 
34 #endif
35