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| author | Zhang Xiantao <xiantao.zhang@intel.com> | 2007-12-17 06:59:56 +0100 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-01-30 17:01:19 +0100 |
| commit | 82470196fa346f50ab4071935597017de33c9ee3 (patch) | |
| tree | 2dc26c39f17d13555badb8e451c2d6fbe80902ec /arch/x86/kvm/lapic.h | |
| parent | KVM: Move drivers/kvm/* to virt/kvm/ (diff) | |
| download | linux-82470196fa346f50ab4071935597017de33c9ee3.tar.xz linux-82470196fa346f50ab4071935597017de33c9ee3.zip | |
KVM: Move irqchip declarations into new ioapic.h and lapic.h
This allows reuse of ioapic in ia64.
Signed-off-by: Zhang Xiantao <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86/kvm/lapic.h')
| -rw-r--r-- | arch/x86/kvm/lapic.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h new file mode 100644 index 000000000000..447b654aefbb --- /dev/null +++ b/arch/x86/kvm/lapic.h @@ -0,0 +1,44 @@ +#ifndef __KVM_X86_LAPIC_H +#define __KVM_X86_LAPIC_H + +#include "iodev.h" + +#include <linux/kvm_host.h> + +struct kvm_lapic { + unsigned long base_address; + struct kvm_io_device dev; + struct { + atomic_t pending; + s64 period; /* unit: ns */ + u32 divide_count; + ktime_t last_update; + struct hrtimer dev; + } timer; + struct kvm_vcpu *vcpu; + struct page *regs_page; + void *regs; +}; +int kvm_create_lapic(struct kvm_vcpu *vcpu); +void kvm_free_lapic(struct kvm_vcpu *vcpu); + +int kvm_apic_has_interrupt(struct kvm_vcpu *vcpu); +int kvm_apic_accept_pic_intr(struct kvm_vcpu *vcpu); +int kvm_get_apic_interrupt(struct kvm_vcpu *vcpu); +void kvm_lapic_reset(struct kvm_vcpu *vcpu); +u64 kvm_lapic_get_cr8(struct kvm_vcpu *vcpu); +void kvm_lapic_set_tpr(struct kvm_vcpu *vcpu, unsigned long cr8); +void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value); + +int kvm_apic_match_physical_addr(struct kvm_lapic *apic, u16 dest); +int kvm_apic_match_logical_addr(struct kvm_lapic *apic, u8 mda); +int kvm_apic_set_irq(struct kvm_vcpu *vcpu, u8 vec, u8 trig); + +u64 kvm_get_apic_base(struct kvm_vcpu *vcpu); +void kvm_set_apic_base(struct kvm_vcpu *vcpu, u64 data); +void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu); +int kvm_lapic_enabled(struct kvm_vcpu *vcpu); +int kvm_lapic_find_highest_irr(struct kvm_vcpu *vcpu); +void kvm_apic_timer_intr_post(struct kvm_vcpu *vcpu, int vec); + +#endif |