96 строки
2.0 KiB
C
96 строки
2.0 KiB
C
|
#ifndef __KVM_IO_APIC_H
|
||
|
|
#define __KVM_IO_APIC_H
|
||
|
|
|
||
|
|
#include <linux/kvm_host.h>
|
||
|
|
|
||
|
|
#include "iodev.h"
|
||
|
|
|
||
|
|
struct kvm;
|
||
|
|
struct kvm_vcpu;
|
||
|
|
|
||
|
|
#define IOAPIC_NUM_PINS KVM_IOAPIC_NUM_PINS
|
||
|
|
#define IOAPIC_VERSION_ID 0x11 /* IOAPIC version */
|
||
|
|
#define IOAPIC_EDGE_TRIG 0
|
||
|
|
#define IOAPIC_LEVEL_TRIG 1
|
||
|
|
|
||
|
|
#define IOAPIC_DEFAULT_BASE_ADDRESS 0xfec00000
|
||
|
|
#define IOAPIC_MEM_LENGTH 0x100
|
||
|
|
|
||
|
|
/* Direct registers. */
|
||
|
|
#define IOAPIC_REG_SELECT 0x00
|
||
|
|
#define IOAPIC_REG_WINDOW 0x10
|
||
|
|
#define IOAPIC_REG_EOI 0x40 /* IA64 IOSAPIC only */
|
||
|
|
|
||
|
|
/* Indirect registers. */
|
||
|
|
#define IOAPIC_REG_APIC_ID 0x00 /* x86 IOAPIC only */
|
||
|
|
#define IOAPIC_REG_VERSION 0x01
|
||
|
|
#define IOAPIC_REG_ARB_ID 0x02 /* x86 IOAPIC only */
|
||
|
|
|
||
|
|
/*ioapic delivery mode*/
|
||
|
|
#define IOAPIC_FIXED 0x0
|
||
|
|
#define IOAPIC_LOWEST_PRIORITY 0x1
|
||
|
|
#define IOAPIC_PMI 0x2
|
||
|
|
#define IOAPIC_NMI 0x4
|
||
|
|
#define IOAPIC_INIT 0x5
|
||
|
|
#define IOAPIC_EXTINT 0x7
|
||
|
|
|
||
|
|
struct kvm_ioapic {
|
||
|
|
u64 base_address;
|
||
|
|
u32 ioregsel;
|
||
|
|
u32 id;
|
||
|
|
u32 irr;
|
||
|
|
u32 pad;
|
||
|
|
union ioapic_redir_entry {
|
||
|
|
u64 bits;
|
||
|
|
struct {
|
||
|
|
u8 vector;
|
||
|
|
u8 delivery_mode:3;
|
||
|
|
u8 dest_mode:1;
|
||
|
|
u8 delivery_status:1;
|
||
|
|
u8 polarity:1;
|
||
|
|
u8 remote_irr:1;
|
||
|
|
u8 trig_mode:1;
|
||
|
|
u8 mask:1;
|
||
|
|
u8 reserve:7;
|
||
|
|
u8 reserved[4];
|
||
|
|
u8 dest_id;
|
||
|
|
} fields;
|
||
|
|
} redirtbl[IOAPIC_NUM_PINS];
|
||
|
|
struct kvm_io_device dev;
|
||
|
|
struct kvm *kvm;
|
||
|
|
};
|
||
|
|
|
||
|
|
#ifdef DEBUG
|
||
|
|
#define ASSERT(x) \
|
||
|
|
do { \
|
||
|
|
if (!(x)) { \
|
||
|
|
printk(KERN_EMERG "assertion failed %s: %d: %s\n", \
|
||
|
|
__FILE__, __LINE__, #x); \
|
||
|
|
BUG(); \
|
||
|
|
} \
|
||
|
|
} while (0)
|
||
|
|
#else
|
||
|
|
#define ASSERT(x) do { } while (0)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static inline struct kvm_ioapic *ioapic_irqchip(struct kvm *kvm)
|
||
|
|
{
|
||
|
|
return kvm->arch.vioapic;
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef CONFIG_IA64
|
||
|
|
static inline int irqchip_in_kernel(struct kvm *kvm)
|
||
|
|
{
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
struct kvm_vcpu *kvm_get_lowest_prio_vcpu(struct kvm *kvm, u8 vector,
|
||
|
|
unsigned long bitmap);
|
||
|
|
void kvm_ioapic_update_eoi(struct kvm *kvm, int vector);
|
||
|
|
int kvm_ioapic_init(struct kvm *kvm);
|
||
|
|
void kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level);
|
||
|
|
void kvm_ioapic_reset(struct kvm_ioapic *ioapic);
|
||
|
|
|
||
|
|
#endif
|