297 lines
7.4 KiB
C
297 lines
7.4 KiB
C
/* $NetBSD: netbsd-dm.h,v 1.4 2009/06/05 19:56:40 haad Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 2008 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Adam Hamsik.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef __NETBSD_DM_H__
|
|
#define __NETBSD_DM_H__
|
|
|
|
#include <prop/proplib.h>
|
|
|
|
#define DM_CMD_LEN 16
|
|
|
|
#define DM_IOCTL 0xfd
|
|
|
|
#define DM_IOCTL_CMD 0
|
|
|
|
#define NETBSD_DM_IOCTL _IOWR(DM_IOCTL, DM_IOCTL_CMD, struct plistref)
|
|
|
|
|
|
/*
|
|
* DM-ioctl dictionary.
|
|
*
|
|
* This contains general information about dm device.
|
|
*
|
|
* <dict>
|
|
* <key>command</key>
|
|
* <string>...</string>
|
|
*
|
|
* <key>event_nr</key>
|
|
* <integer>...</integer>
|
|
*
|
|
* <key>name</key>
|
|
* <string>...</string>
|
|
*
|
|
* <key>uuid</key>
|
|
* <string>...</string>
|
|
*
|
|
* <key>dev</key>
|
|
* <integer></integer>
|
|
*
|
|
* <key>flags</key>
|
|
* <integer></integer>
|
|
*
|
|
* <key>version</key>
|
|
* <array>
|
|
* <integer>...</integer>
|
|
* <integer>...</integer>
|
|
* <integer>...</integer>
|
|
* </array>
|
|
*
|
|
* <key>cmd_data</key>
|
|
* <array>
|
|
* <!-- See below for command
|
|
* specific dictionaries -->
|
|
* </array>
|
|
* </dict>
|
|
*
|
|
* Available commands from _cmd_data_v4.
|
|
*
|
|
* create, reload, remove, remove_all, suspend,
|
|
* resume, info, deps, rename, version, status,
|
|
* table, waitevent, names, clear, mknodes,
|
|
* targets, message, setgeometry
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* DM_LIST_VERSIONS == "targets" command dictionary entry.
|
|
* Lists all available targets with their version.
|
|
*
|
|
* <array>
|
|
* <dict>
|
|
* <key>name<key>
|
|
* <string>...</string>
|
|
*
|
|
* <key>version</key>
|
|
* <array>
|
|
* <integer>...</integer>
|
|
* <integer>...</integer>
|
|
* <integer>...</integer>
|
|
* </array>
|
|
* </dict>
|
|
* </array>
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* DM_DEV_LIST == "names"
|
|
* Request list of device-mapper created devices from kernel.
|
|
*
|
|
* <array>
|
|
* <dict>
|
|
* <key>name<key>
|
|
* <string>...</string>
|
|
*
|
|
* <key>dev</key>
|
|
* <integer>...</integer>
|
|
* </dict>
|
|
* </array>
|
|
*
|
|
* dev is uint64_t
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* DM_DEV_RENAME == "rename"
|
|
* Rename device to string.
|
|
*
|
|
* <array>
|
|
* <string>...</string>
|
|
* </array>
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* DM_DEV_STATUS == "info, mknodes"
|
|
* Will change fields DM_IOCTL_OPEN, DM_IOCTL_DEV in received dictionary,
|
|
* with dm device values with name or uuid from list.
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* DM_TABLE_STATUS == "status,table"
|
|
* Request list of device-mapper created devices from kernel.
|
|
*
|
|
* <array>
|
|
* <dict>
|
|
* <key>type<key>
|
|
* <string>...</string>
|
|
*
|
|
* <key>start</key>
|
|
* <integer>...</integer>
|
|
*
|
|
* <key>length</key>
|
|
* <integer>...</integer>
|
|
*
|
|
* <key>params</key>
|
|
* <string>...</string>
|
|
* </dict>
|
|
* </array>
|
|
*
|
|
* params is string which contains {device} {parameters}
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* DM_TABLE_DEPS == "deps"
|
|
* Request list active table device dependiences.
|
|
*
|
|
* This command is also run to get dm-device
|
|
* dependiences for existing real block device.
|
|
*
|
|
* eg. vgcreate calls DM_TABLE_DEPS
|
|
*
|
|
* <array>
|
|
* <integer>...</integer>
|
|
* </array>
|
|
*
|
|
*/
|
|
|
|
|
|
#define DM_IOCTL_COMMAND "command"
|
|
#define DM_IOCTL_VERSION "version"
|
|
#define DM_IOCTL_OPEN "open_count"
|
|
#define DM_IOCTL_MINOR "minor"
|
|
#define DM_IOCTL_NAME "name"
|
|
#define DM_IOCTL_UUID "uuid"
|
|
#define DM_IOCTL_TARGET_COUNT "target_count"
|
|
#define DM_IOCTL_EVENT "event_nr"
|
|
#define DM_IOCTL_FLAGS "flags"
|
|
#define DM_IOCTL_CMD_DATA "cmd_data"
|
|
|
|
#define DM_TARGETS_NAME "name"
|
|
#define DM_TARGETS_VERSION "ver"
|
|
|
|
#define DM_DEV_NEWNAME "newname"
|
|
#define DM_DEV_NAME "name"
|
|
#define DM_DEV_DEV "dev"
|
|
|
|
#define DM_TABLE_TYPE "type"
|
|
#define DM_TABLE_START "start"
|
|
#define DM_TABLE_STAT "status"
|
|
#define DM_TABLE_LENGTH "length"
|
|
#define DM_TABLE_PARAMS "params"
|
|
|
|
#define DM_TARGET_LINEAR_DEVICE "device"
|
|
#define DM_TARGET_LINEAR_OFFSET "offset"
|
|
|
|
#define DM_TARGET_STRIPE_DEVARRAY "device_array"
|
|
#define DM_TARGET_STRIPE_DEVICE "device"
|
|
#define DM_TARGET_STRIPE_OFFSET "offset"
|
|
#define DM_TARGET_STRIPE_STRIPES "stripes"
|
|
#define DM_TARGET_STRIPE_CHUNKSIZE "chunk_size"
|
|
|
|
|
|
//#ifndef __LIB_DEVMAPPER__
|
|
//#define DM_TABLE_DEPS "deps"
|
|
//#endif
|
|
|
|
/* Status bits */
|
|
/* IO mode of device */
|
|
#define DM_READONLY_FLAG (1 << 0) /* In/Out *//* to kernel/from kernel */
|
|
#define DM_SUSPEND_FLAG (1 << 1) /* In/Out */
|
|
/* XXX. This flag is undocumented. */
|
|
#define DM_EXISTS_FLAG (1 << 2) /* In/Out */
|
|
/* Minor number is persistent */
|
|
#define DM_PERSISTENT_DEV_FLAG (1 << 3) /* In */
|
|
|
|
/*
|
|
* Flag passed into ioctl STATUS command to get table information
|
|
* rather than current status.
|
|
*/
|
|
#define DM_STATUS_TABLE_FLAG (1 << 4) /* In */
|
|
|
|
/*
|
|
* Flags that indicate whether a table is present in either of
|
|
* the two table slots that a device has.
|
|
*/
|
|
#define DM_ACTIVE_PRESENT_FLAG (1 << 5) /* Out */
|
|
#define DM_INACTIVE_PRESENT_FLAG (1 << 6) /* Out */
|
|
|
|
/*
|
|
* Indicates that the buffer passed in wasn't big enough for the
|
|
* results.
|
|
*/
|
|
#define DM_BUFFER_FULL_FLAG (1 << 8) /* Out */
|
|
|
|
/*
|
|
* This flag is now ignored.
|
|
*/
|
|
#define DM_SKIP_BDGET_FLAG (1 << 9) /* In */
|
|
|
|
/*
|
|
* Set this to avoid attempting to freeze any filesystem when suspending.
|
|
*/
|
|
#define DM_SKIP_LOCKFS_FLAG (1 << 10) /* In */
|
|
|
|
/*
|
|
* Set this to suspend without flushing queued ios.
|
|
*/
|
|
#define DM_NOFLUSH_FLAG (1 << 11) /* In */
|
|
|
|
#ifdef __LIB_DEVMAPPER__
|
|
|
|
# define MAJOR(x) major((x))
|
|
# define MINOR(x) minor((x))
|
|
# define MKDEV(x,y) makedev((x),(y))
|
|
|
|
/* Name of device-mapper driver in kernel */
|
|
#define DM_NAME "dm"
|
|
|
|
/* Types for nbsd_get_dm_major */
|
|
#define DM_CHAR_MAJOR 1
|
|
#define DM_BLOCK_MAJOR 2
|
|
|
|
/* libdm_netbsd.c */
|
|
int nbsd_get_dm_major(uint32_t *, int); /* Get dm device major numbers */
|
|
|
|
int nbsd_dmi_add_cmd(const char *, prop_dictionary_t);
|
|
int nbsd_dmi_add_version(const int [3], prop_dictionary_t);
|
|
int nbsd_dm_add_uint(const char *, uint64_t, prop_dictionary_t);
|
|
int nbsd_dm_add_str(const char *, char *, prop_dictionary_t );
|
|
|
|
prop_dictionary_t nbsd_dm_parse_param(const char *, char *);
|
|
|
|
struct dm_ioctl* nbsd_dm_dict_to_dmi(prop_dictionary_t, const int);
|
|
|
|
#endif /* __LIB_DEVMAPPER__ */
|
|
|
|
#endif /* __NETBSD_DM_H__ */
|