cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / dlm_device.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/dlm_device.h b/i686-linux-gnu-4.7/usr/include/linux/dlm_device.h
new file mode 100644 (file)
index 0000000..09b2ed9
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/dlm_device.h
@@ -0,0 +1,109 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/******************************************************************************
+*******************************************************************************
+**
+**  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 2
+
+/* 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 *castparam;
+       void *castaddr;
+       void *bastparam;
+       void *bastaddr;
+       struct dlm_lksb *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_astaddr;
+       void * user_astparam;
+       struct dlm_lksb * 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
+