HVM-291 irq.h should be kvm_irq.h

HVM-292 kvm_irq.c shouldn't have extern declarations

1 files changed, 97 insertions, 0 deletions

diff --git a/kvm_irq.h b/kvm_irq.h
new file mode 100644
index 0000000..88dc129
--- /dev/null
+++ b/kvm_irq.h
@@ -0,0 +1,97 @@
+/*
+ * kvm_irq.h: in kernel interrupt controller related definitions
+ * Copyright (c) 2007, Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ * Authors:
+ *   Yaozu (Eddie) Dong <Eddie.dong@intel.com>
+ *
+ */
+
+#ifndef __IRQ_H
+#define __IRQ_H
+
+#include <sys/mutex.h>
+#include "kvm_host.h"
+
+#include "kvm_iodev.h"
+#include "kvm_ioapic.h"
+#include "kvm_lapic.h"
+
+#define PIC_NUM_PINS 16
+#define SELECT_PIC(irq) \
+	((irq) < 8 ? KVM_IRQCHIP_PIC_MASTER : KVM_IRQCHIP_PIC_SLAVE)
+
+struct kvm;
+struct kvm_vcpu;
+
+typedef void irq_request_func(void *opaque, int level);
+
+typedef struct kvm_kpic_state {
+	uint8_t last_irr;	/* edge detection */
+	uint8_t irr;		/* interrupt request register */
+	uint8_t imr;		/* interrupt mask register */
+	uint8_t isr;		/* interrupt service register */
+	uint8_t isr_ack;	/* interrupt ack detection */
+	uint8_t priority_add;	/* highest irq priority */
+	uint8_t irq_base;
+	uint8_t read_reg_select;
+	uint8_t poll;
+	uint8_t special_mask;
+	uint8_t init_state;
+	uint8_t auto_eoi;
+	uint8_t rotate_on_auto_eoi;
+	uint8_t special_fully_nested_mode;
+	uint8_t init4;		/* true if 4 byte init */
+	uint8_t elcr;		/* PIIX edge/trigger selection */
+	uint8_t elcr_mask;
+	struct kvm_pic *pics_state;
+} kvm_kpic_state_t;
+
+typedef struct kvm_pic {
+	kmutex_t lock;
+	unsigned pending_acks;
+	struct kvm *kvm;
+	struct kvm_kpic_state pics[2]; /* 0 is master pic, 1 is slave pic */
+	irq_request_func *irq_request;
+	void *irq_request_opaque;
+	int output;		/* intr from master PIC */
+	struct kvm_io_device dev;
+	void (*ack_notifier)(void *opaque, int irq);
+	unsigned long irq_states[16];
+} kvm_pic_t;
+
+struct kvm_pic *kvm_create_pic(struct kvm *kvm);
+void kvm_destroy_pic(struct kvm *kvm);
+int kvm_pic_read_irq(struct kvm *kvm);
+void kvm_pic_update_irq(struct kvm_pic *s);
+void kvm_pic_clear_isr_ack(struct kvm *kvm);
+
+struct kvm_pic *pic_irqchip(struct kvm *kvm);
+int irqchip_in_kernel(struct kvm *kvm);
+
+void kvm_pic_reset(struct kvm_kpic_state *s);
+void kvm_inject_pit_timer_irqs(struct kvm_vcpu *vcpu);
+
+void kvm_inject_pending_timer_irqs(struct kvm_vcpu *vcpu);
+void kvm_inject_apic_timer_irqs(struct kvm_vcpu *vcpu);
+void kvm_apic_nmi_wd_deliver(struct kvm_vcpu *vcpu);
+void __kvm_migrate_apic_timer(struct kvm_vcpu *vcpu);
+void __kvm_migrate_pit_timer(struct kvm_vcpu *vcpu);
+void __kvm_migrate_timers(struct kvm_vcpu *vcpu);
+
+int pit_has_pending_timer(struct kvm_vcpu *vcpu);
+int apic_has_pending_timer(struct kvm_vcpu *vcpu);
+
+#endif