aboutsummaryrefslogtreecommitdiff
path: root/drivers/kvm/irq.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/kvm/irq.c')
-rw-r--r--drivers/kvm/irq.c98
1 files changed, 0 insertions, 98 deletions
diff --git a/drivers/kvm/irq.c b/drivers/kvm/irq.c
deleted file mode 100644
index 7628c7ff628..00000000000
--- a/drivers/kvm/irq.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * irq.c: API for in kernel interrupt controller
- * 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>
- *
- */
-
-#include <linux/module.h>
-
-#include "kvm.h"
-#include "irq.h"
-
-/*
- * check if there is pending interrupt without
- * intack.
- */
-int kvm_cpu_has_interrupt(struct kvm_vcpu *v)
-{
- struct kvm_pic *s;
-
- if (kvm_apic_has_interrupt(v) == -1) { /* LAPIC */
- if (kvm_apic_accept_pic_intr(v)) {
- s = pic_irqchip(v->kvm); /* PIC */
- return s->output;
- } else
- return 0;
- }
- return 1;
-}
-EXPORT_SYMBOL_GPL(kvm_cpu_has_interrupt);
-
-/*
- * Read pending interrupt vector and intack.
- */
-int kvm_cpu_get_interrupt(struct kvm_vcpu *v)
-{
- struct kvm_pic *s;
- int vector;
-
- vector = kvm_get_apic_interrupt(v); /* APIC */
- if (vector == -1) {
- if (kvm_apic_accept_pic_intr(v)) {
- s = pic_irqchip(v->kvm);
- s->output = 0; /* PIC */
- vector = kvm_pic_read_irq(s);
- }
- }
- return vector;
-}
-EXPORT_SYMBOL_GPL(kvm_cpu_get_interrupt);
-
-static void vcpu_kick_intr(void *info)
-{
-#ifdef DEBUG
- struct kvm_vcpu *vcpu = (struct kvm_vcpu *)info;
- printk(KERN_DEBUG "vcpu_kick_intr %p \n", vcpu);
-#endif
-}
-
-void kvm_vcpu_kick(struct kvm_vcpu *vcpu)
-{
- int ipi_pcpu = vcpu->cpu;
-
- if (waitqueue_active(&vcpu->wq)) {
- wake_up_interruptible(&vcpu->wq);
- ++vcpu->stat.halt_wakeup;
- }
- if (vcpu->guest_mode)
- smp_call_function_single(ipi_pcpu, vcpu_kick_intr, vcpu, 0, 0);
-}
-
-void kvm_inject_pending_timer_irqs(struct kvm_vcpu *vcpu)
-{
- kvm_inject_apic_timer_irqs(vcpu);
- /* TODO: PIT, RTC etc. */
-}
-EXPORT_SYMBOL_GPL(kvm_inject_pending_timer_irqs);
-
-void kvm_timer_intr_post(struct kvm_vcpu *vcpu, int vec)
-{
- kvm_apic_timer_intr_post(vcpu, vec);
- /* TODO: PIT, RTC etc. */
-}
-EXPORT_SYMBOL_GPL(kvm_timer_intr_post);