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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)
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 @@
1/******************************************************************************
2*******************************************************************************
3**
4** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
5** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
6**
7** This copyrighted material is made available to anyone wishing to use,
8** modify, copy, or redistribute it subject to the terms and conditions
9** of the GNU General Public License v.2.
10**
11*******************************************************************************
12******************************************************************************/
13
14#ifndef _LINUX_DLM_DEVICE_H
15#define _LINUX_DLM_DEVICE_H
16
17/* This is the device interface for dlm, most users will use a library
18 * interface.
19 */
20
21#include <linux/dlm.h>
22#include <linux/types.h>
23
24#define DLM_USER_LVB_LEN 32
25
26/* Version of the device interface */
27#define DLM_DEVICE_VERSION_MAJOR 6
28#define DLM_DEVICE_VERSION_MINOR 0
29#define DLM_DEVICE_VERSION_PATCH 1
30
31/* struct passed to the lock write */
32struct dlm_lock_params {
33 __u8 mode;
34 __u8 namelen;
35 __u16 unused;
36 __u32 flags;
37 __u32 lkid;
38 __u32 parent;
39 __u64 xid;
40 __u64 timeout;
41 void __user *castparam;
42 void __user *castaddr;
43 void __user *bastparam;
44 void __user *bastaddr;
45 struct dlm_lksb __user *lksb;
46 char lvb[DLM_USER_LVB_LEN];
47 char name[0];
48};
49
50struct dlm_lspace_params {
51 __u32 flags;
52 __u32 minor;
53 char name[0];
54};
55
56struct dlm_purge_params {
57 __u32 nodeid;
58 __u32 pid;
59};
60
61struct dlm_write_request {
62 __u32 version[3];
63 __u8 cmd;
64 __u8 is64bit;
65 __u8 unused[2];
66
67 union {
68 struct dlm_lock_params lock;
69 struct dlm_lspace_params lspace;
70 struct dlm_purge_params purge;
71 } i;
72};
73
74struct dlm_device_version {
75 __u32 version[3];
76};
77
78/* struct read from the "device" fd,
79 consists mainly of userspace pointers for the library to use */
80
81struct dlm_lock_result {
82 __u32 version[3];
83 __u32 length;
84 void __user * user_astaddr;
85 void __user * user_astparam;
86 struct dlm_lksb __user * user_lksb;
87 struct dlm_lksb lksb;
88 __u8 bast_mode;
89 __u8 unused[3];
90 /* Offsets may be zero if no data is present */
91 __u32 lvb_offset;
92};
93
94/* Commands passed to the device */
95#define DLM_USER_LOCK 1
96#define DLM_USER_UNLOCK 2
97#define DLM_USER_QUERY 3
98#define DLM_USER_CREATE_LOCKSPACE 4
99#define DLM_USER_REMOVE_LOCKSPACE 5
100#define DLM_USER_PURGE 6
101#define DLM_USER_DEADLOCK 7
102
103/* Lockspace flags */
104#define DLM_USER_LSFLG_AUTOFREE 1
105#define DLM_USER_LSFLG_FORCEFREE 2
106
107#endif
108