summaryrefslogtreecommitdiff
path: root/include/uapi/linux/dlm_device.h
diff options
context:
space:
mode:
authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-10-19 15:19:19 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-10-19 15:19:19 -0400
commite05dacd71db0a5da7c1a44bcaab2a8a240b9c233 (patch)
tree31382cf1c7d62c03126448affb2fc86e8c4aaa8b /include/uapi/linux/dlm_device.h
parent3ab0b83bf6a1e834f4b884150d8012990c75d25d (diff)
parentddffeb8c4d0331609ef2581d84de4d763607bd37 (diff)
downloadlwn-e05dacd71db0a5da7c1a44bcaab2a8a240b9c233.tar.gz
lwn-e05dacd71db0a5da7c1a44bcaab2a8a240b9c233.zip
Merge commit 'v3.7-rc1' into stable/for-linus-3.7
* commit 'v3.7-rc1': (10892 commits) Linux 3.7-rc1 x86, boot: Explicitly include autoconf.h for hostprogs perf: Fix UAPI fallout ARM: config: make sure that platforms are ordered by option string ARM: config: sort select statements alphanumerically UAPI: (Scripted) Disintegrate include/linux/byteorder UAPI: (Scripted) Disintegrate include/linux UAPI: Unexport linux/blk_types.h UAPI: Unexport part of linux/ppp-comp.h perf: Handle new rbtree implementation procfs: don't need a PATH_MAX allocation to hold a string representation of an int vfs: embed struct filename inside of names_cache allocation if possible audit: make audit_inode take struct filename vfs: make path_openat take a struct filename pointer vfs: turn do_path_lookup into wrapper around struct filename variant audit: allow audit code to satisfy getname requests from its names_list vfs: define struct filename and have getname() return it btrfs: Fix compilation with user namespace support enabled userns: Fix posix_acl_file_xattr_userns gid conversion userns: Properly print bluetooth socket uids ...
Diffstat (limited to 'include/uapi/linux/dlm_device.h')
-rw-r--r--include/uapi/linux/dlm_device.h108
1 files changed, 108 insertions, 0 deletions
diff --git a/include/uapi/linux/dlm_device.h b/include/uapi/linux/dlm_device.h
new file mode 100644
index 000000000000..3060783c4191
--- /dev/null
+++ b/include/uapi/linux/dlm_device.h
@@ -0,0 +1,108 @@
+/******************************************************************************
+*******************************************************************************
+**
+** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
+** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
+**
+** This copyrighted material is made available to anyone wishing to use,
+** modify, copy, or redistribute it subject to the terms and conditions
+** of the GNU General Public License v.2.
+**
+*******************************************************************************
+******************************************************************************/
+
+#ifndef _LINUX_DLM_DEVICE_H
+#define _LINUX_DLM_DEVICE_H
+
+/* This is the device interface for dlm, most users will use a library
+ * interface.
+ */
+
+#include <linux/dlm.h>
+#include <linux/types.h>
+
+#define DLM_USER_LVB_LEN 32
+
+/* Version of the device interface */
+#define DLM_DEVICE_VERSION_MAJOR 6
+#define DLM_DEVICE_VERSION_MINOR 0
+#define DLM_DEVICE_VERSION_PATCH 1
+
+/* struct passed to the lock write */
+struct dlm_lock_params {
+ __u8 mode;
+ __u8 namelen;
+ __u16 unused;
+ __u32 flags;
+ __u32 lkid;
+ __u32 parent;
+ __u64 xid;
+ __u64 timeout;
+ void __user *castparam;
+ void __user *castaddr;
+ void __user *bastparam;
+ void __user *bastaddr;
+ struct dlm_lksb __user *lksb;
+ char lvb[DLM_USER_LVB_LEN];
+ char name[0];
+};
+
+struct dlm_lspace_params {
+ __u32 flags;
+ __u32 minor;
+ char name[0];
+};
+
+struct dlm_purge_params {
+ __u32 nodeid;
+ __u32 pid;
+};
+
+struct dlm_write_request {
+ __u32 version[3];
+ __u8 cmd;
+ __u8 is64bit;
+ __u8 unused[2];
+
+ union {
+ struct dlm_lock_params lock;
+ struct dlm_lspace_params lspace;
+ struct dlm_purge_params purge;
+ } i;
+};
+
+struct dlm_device_version {
+ __u32 version[3];
+};
+
+/* struct read from the "device" fd,
+ consists mainly of userspace pointers for the library to use */
+
+struct dlm_lock_result {
+ __u32 version[3];
+ __u32 length;
+ void __user * user_astaddr;
+ void __user * user_astparam;
+ struct dlm_lksb __user * user_lksb;
+ struct dlm_lksb lksb;
+ __u8 bast_mode;
+ __u8 unused[3];
+ /* Offsets may be zero if no data is present */
+ __u32 lvb_offset;
+};
+
+/* Commands passed to the device */
+#define DLM_USER_LOCK 1
+#define DLM_USER_UNLOCK 2
+#define DLM_USER_QUERY 3
+#define DLM_USER_CREATE_LOCKSPACE 4
+#define DLM_USER_REMOVE_LOCKSPACE 5
+#define DLM_USER_PURGE 6
+#define DLM_USER_DEADLOCK 7
+
+/* Lockspace flags */
+#define DLM_USER_LSFLG_AUTOFREE 1
+#define DLM_USER_LSFLG_FORCEFREE 2
+
+#endif
+