Export the virtio-ccw api in a header for usage by other code.
Signed-off-by: Cornelia Huck <cornelia.huck@xxxxxxxxxx>
---
arch/s390/include/uapi/asm/Kbuild | 1 +
arch/s390/include/uapi/asm/virtio-ccw.h | 21 +++++++++++++++++++++
drivers/s390/kvm/virtio_ccw.c | 5 +----
3 files changed, 23 insertions(+), 4 deletions(-)
create mode 100644 arch/s390/include/uapi/asm/virtio-ccw.h
diff --git a/arch/s390/include/uapi/asm/Kbuild b/arch/s390/include/uapi/asm/Kbuild
index 7bf68ff..9ccd190 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 0000000..a9a4ebf
--- /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@xxxxxxxxxx>
+ */
+#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
diff --git a/drivers/s390/kvm/virtio_ccw.c b/drivers/s390/kvm/virtio_ccw.c
index 259a2fb..bf5ba3b 100644
--- a/drivers/s390/kvm/virtio_ccw.c
+++ b/drivers/s390/kvm/virtio_ccw.c
@@ -31,6 +31,7 @@
#include <asm/irq.h>
#include <asm/cio.h>
#include <asm/ccwdev.h>
+#include <asm/virtio-ccw.h>
/*
* virtio related functions
@@ -80,10 +81,6 @@ struct virtio_ccw_vq_info {
long cookie;
};
-#define KVM_VIRTIO_CCW_RING_ALIGN 4096
-
-#define KVM_S390_VIRTIO_CCW_NOTIFY 3
-
#define CCW_CMD_SET_VQ 0x13
#define CCW_CMD_VDEV_RESET 0x33
#define CCW_CMD_SET_IND 0x43
--
1.7.12.4
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