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authorZhang Xiantao <xiantao.zhang@intel.com>2007-12-17 13:59:56 +0800
committerAvi Kivity <avi@qumranet.com>2008-01-30 18:01:19 +0200
commit82470196fa346f50ab4071935597017de33c9ee3 (patch)
tree2dc26c39f17d13555badb8e451c2d6fbe80902ec /arch/x86/kvm/lapic.h
parent0fce5623ba248d3af0d7fb719d5ac367cc9d5192 (diff)
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.h44
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 00000000000..447b654aefb
--- /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