Patchwork [v3,19/35] uvmem.h: import Linux uvmem.h and teach update-linux-headers.sh

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Submitter Isaku Yamahata
Date Oct. 30, 2012, 8:32 a.m.
Message ID <ccc959e81d1f60a65a0b26fdf28ae0bd855df4b5.1351582535.git.yamahata@valinux.co.jp>
Download mbox | patch
Permalink /patch/195382/
State New
Headers show

Comments

Isaku Yamahata - Oct. 30, 2012, 8:32 a.m.
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
---
 linux-headers/linux/uvmem.h     |   41 +++++++++++++++++++++++++++++++++++++++
 scripts/update-linux-headers.sh |    2 +-
 2 files changed, 42 insertions(+), 1 deletion(-)
 create mode 100644 linux-headers/linux/uvmem.h

Patch

diff --git a/linux-headers/linux/uvmem.h b/linux-headers/linux/uvmem.h
new file mode 100644
index 0000000..ea88980
--- /dev/null
+++ b/linux-headers/linux/uvmem.h
@@ -0,0 +1,41 @@ 
+/*
+ * User process backed memory.
+ * This is mainly for KVM post copy.
+ *
+ * Copyright (c) 2011,
+ * National Institute of Advanced Industrial Science and Technology
+ *
+ * https://sites.google.com/site/grivonhome/quick-kvm-migration
+ * Author: Isaku Yamahata <yamahata at valinux co jp>
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __LINUX_UVMEM_H
+#define __LINUX_UVMEM_H
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+struct uvmem_init {
+	__u64 size;		/* in bytes */
+	__s32 shmem_fd;
+	__s32 padding;
+};
+
+#define UVMEMIO	0x1E
+
+/* ioctl for uvmem fd */
+#define UVMEM_INIT			_IOWR(UVMEMIO, 0x0, struct uvmem_init)
+
+#endif /* __LINUX_UVMEM_H */
diff --git a/scripts/update-linux-headers.sh b/scripts/update-linux-headers.sh
index 67be2ef..0fa25ce 100755
--- a/scripts/update-linux-headers.sh
+++ b/scripts/update-linux-headers.sh
@@ -57,7 +57,7 @@  done
 
 rm -rf "$output/linux-headers/linux"
 mkdir -p "$output/linux-headers/linux"
-for header in kvm.h kvm_para.h vfio.h vhost.h virtio_config.h virtio_ring.h; do
+for header in kvm.h kvm_para.h vfio.h vhost.h virtio_config.h virtio_ring.h umem.h; do
     cp "$tmpdir/include/linux/$header" "$output/linux-headers/linux"
 done
 rm -rf "$output/linux-headers/asm-generic"