eba0226bdf
The allows removal of irq_lock from the injection path. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
81 lines
2.2 KiB
C
81 lines
2.2 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 kvm_ioapic_redirect_entry redirtbl[IOAPIC_NUM_PINS];
|
|
unsigned long irq_states[IOAPIC_NUM_PINS];
|
|
struct kvm_io_device dev;
|
|
struct kvm *kvm;
|
|
void (*ack_notifier)(void *opaque, int irq);
|
|
struct mutex lock;
|
|
};
|
|
|
|
#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;
|
|
}
|
|
|
|
int kvm_apic_match_dest(struct kvm_vcpu *vcpu, struct kvm_lapic *source,
|
|
int short_hand, int dest, int dest_mode);
|
|
int kvm_apic_compare_prio(struct kvm_vcpu *vcpu1, struct kvm_vcpu *vcpu2);
|
|
void kvm_ioapic_update_eoi(struct kvm *kvm, int vector, int trigger_mode);
|
|
int kvm_ioapic_init(struct kvm *kvm);
|
|
int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level);
|
|
void kvm_ioapic_reset(struct kvm_ioapic *ioapic);
|
|
int kvm_irq_delivery_to_apic(struct kvm *kvm, struct kvm_lapic *src,
|
|
struct kvm_lapic_irq *irq);
|
|
int kvm_get_ioapic(struct kvm *kvm, struct kvm_ioapic_state *state);
|
|
int kvm_set_ioapic(struct kvm *kvm, struct kvm_ioapic_state *state);
|
|
|
|
#endif
|