HVM-143 kvm C files should all have the kvm_ prefix on them

1 files changed, 93 insertions, 0 deletions

diff --git a/kvm_irq.c b/kvm_irq.c
new file mode 100644
index 0000000..7d698b6
--- /dev/null
+++ b/kvm_irq.c
@@ -0,0 +1,93 @@
+/*
+ * 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>
+ *
+ * Ported to illumos by Joyent.
+ * Copyright 2011 Joyent, Inc. All rights reserved.
+ */
+
+/*
+ * XXX These header includes are really broken
+ */
+#include "msr.h"
+#include "irqflags.h"
+#include "kvm_host.h"
+#include "kvm_x86host.h"
+#include "iodev.h"
+#include "kvm.h"
+#include "irq.h"
+#include "ioapic.h"
+
+/* XXX This should never exist */
+extern int irqchip_in_kernel(struct kvm *);
+
+/*
+ * check if there are pending timer events
+ * to be processed.
+ */
+int
+kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu)
+{
+	int ret;
+
+	ret = pit_has_pending_timer(vcpu);
+	ret |= apic_has_pending_timer(vcpu);
+
+	return (ret);
+}
+
+void
+kvm_inject_pending_timer_irqs(struct kvm_vcpu *vcpu)
+{
+	kvm_inject_apic_timer_irqs(vcpu);
+	kvm_inject_pit_timer_irqs(vcpu);
+	/* TODO: PIT, RTC etc. */
+}
+
+void
+kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id)
+{
+	int i;
+
+	ASSERT(irq_source_id != KVM_USERSPACE_IRQ_SOURCE_ID);
+
+	mutex_enter(&kvm->irq_lock);
+	if (irq_source_id < 0 ||
+	    irq_source_id >= BITS_PER_LONG) {
+#ifdef XXX
+		printk(KERN_ERR "kvm: IRQ source ID out of range!\n");
+#else
+		XXX_KVM_PROBE;
+#endif
+		goto unlock;
+	}
+	clear_bit(irq_source_id, &kvm->arch.irq_sources_bitmap);
+	if (!irqchip_in_kernel(kvm))
+		goto unlock;
+
+	for (i = 0; i < KVM_IOAPIC_NUM_PINS; i++) {
+		clear_bit(irq_source_id, &kvm->arch.vioapic->irq_states[i]);
+		if (i >= 16)
+			continue;
+#ifdef CONFIG_X86
+		clear_bit(irq_source_id, &pic_irqchip(kvm)->irq_states[i]);
+#endif
+	}
+unlock:
+	mutex_exit(&kvm->irq_lock);
+}