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authorCornelia Huck <cornelia.huck@de.ibm.com>2013-02-28 12:33:17 +0100
committerMarcelo Tosatti <mtosatti@redhat.com>2013-03-05 23:12:10 +0100
commit6a773cb825afb74a600a08fe87fab55ee98ec2ac (patch)
tree03724ab9ae67a391c732f512c405fe6591b3b160 /arch/s390/include
parentvirtio_ccw: pass a cookie value to kvm hypercall (diff)
downloadlinux-6a773cb825afb74a600a08fe87fab55ee98ec2ac.tar.xz
linux-6a773cb825afb74a600a08fe87fab55ee98ec2ac.zip
KVM: s390: Export virtio-ccw api.
Export the virtio-ccw api in a header for usage by other code. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/s390/include')
-rw-r--r--arch/s390/include/uapi/asm/Kbuild1
-rw-r--r--arch/s390/include/uapi/asm/virtio-ccw.h21
2 files changed, 22 insertions, 0 deletions
diff --git a/arch/s390/include/uapi/asm/Kbuild b/arch/s390/include/uapi/asm/Kbuild
index 7bf68fff7c5d..9ccd1905bdad 100644
--- a/arch/s390/include/uapi/asm/Kbuild
+++ b/arch/s390/include/uapi/asm/Kbuild
@@ -44,5 +44,6 @@ header-y += termios.h
header-y += types.h
header-y += ucontext.h
header-y += unistd.h
+header-y += virtio-ccw.h
header-y += vtoc.h
header-y += zcrypt.h
diff --git a/arch/s390/include/uapi/asm/virtio-ccw.h b/arch/s390/include/uapi/asm/virtio-ccw.h
new file mode 100644
index 000000000000..a9a4ebf79fa7
--- /dev/null
+++ b/arch/s390/include/uapi/asm/virtio-ccw.h
@@ -0,0 +1,21 @@
+/*
+ * Definitions for virtio-ccw devices.
+ *
+ * Copyright IBM Corp. 2013
+ *
+ * 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_VIRTIO_CCW_H
+#define __KVM_VIRTIO_CCW_H
+
+/* Alignment of vring buffers. */
+#define KVM_VIRTIO_CCW_RING_ALIGN 4096
+
+/* Subcode for diagnose 500 (virtio hypercall). */
+#define KVM_S390_VIRTIO_CCW_NOTIFY 3
+
+#endif