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authorCornelia Huck <cornelia.huck@de.ibm.com>2013-07-15 15:36:01 +0400
committerCornelia Huck <cornelia.huck@de.ibm.com>2014-03-21 16:43:00 +0400
commit84223598778ba08041f4297fda485df83414d57e (patch)
treebd93b83a13cc5cd1f6781bf681161fb3982548c5 /arch/s390/kvm/irq.h
parent841b91c584b6d1e2a2cb508bd2d0236cd37e1750 (diff)
downloadlinux-84223598778ba08041f4297fda485df83414d57e.tar.xz
KVM: s390: irq routing for adapter interrupts.
Introduce a new interrupt class for s390 adapter interrupts and enable irqfds for s390. This is depending on a new s390 specific vm capability, KVM_CAP_S390_IRQCHIP, that needs to be enabled by userspace. Acked-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm/irq.h')
-rw-r--r--arch/s390/kvm/irq.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/s390/kvm/irq.h b/arch/s390/kvm/irq.h
new file mode 100644
index 000000000000..d98e4159643d
--- /dev/null
+++ b/arch/s390/kvm/irq.h
@@ -0,0 +1,22 @@
+/*
+ * s390 irqchip routines
+ *
+ * Copyright IBM Corp. 2014
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (version 2 only)
+ * as published by the Free Software Foundation.
+ *
+ * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
+ */
+#ifndef __KVM_IRQ_H
+#define __KVM_IRQ_H
+
+#include <linux/kvm_host.h>
+
+static inline int irqchip_in_kernel(struct kvm *kvm)
+{
+ return 1;
+}
+
+#endif