lvm2/libdm/ioctl/libdm-compat.h

/*
 * Copyright (C) 2001 Sistina Software (UK) Limited.
 *
 * This file is released under the LGPL.
 */

#ifndef _LINUX_LIBDM_COMPAT_H
#define _LINUX_LIBDM_COMPAT_H

#include <inttypes.h>
#include <linux/dm-ioctl.h>
#include <linux/kdev_t.h>
#include <sys/ioctl.h>

struct dm_task;
struct dm_info;

/*
 * Old versions of structures for backwards compatibility.
 */

struct dm_ioctl_v1 {
	uint32_t version[3];	/* in/out */
	uint32_t data_size;	/* total size of data passed in
				 * including this struct */

	uint32_t data_start;	/* offset to start of data
				 * relative to start of this struct */

	int32_t target_count;	/* in/out */
	int32_t open_count;	/* out */
	uint32_t flags;		/* in/out */

	__kernel_dev_t dev;	/* in/out */

	char name[DM_NAME_LEN];	/* device name */
	char uuid[DM_UUID_LEN];	/* unique identifier for
				 * the block device */
};

struct dm_target_spec_v1 {
	int32_t status;		/* used when reading from kernel only */
	uint64_t sector_start;
	uint32_t length;
	uint32_t next;

	char target_type[DM_MAX_TYPE_NAME];

};

struct dm_target_deps_v1 {
	uint32_t count;

	__kernel_dev_t dev[0];	/* out */
};

/* *INDENT-OFF* */
static struct cmd_data _cmd_data_v1[] = {
        { "create",     DM_DEV_CREATE,    {1, 0, 0} },
        { "reload",     DM_DEV_RELOAD,    {1, 0, 0} },
        { "remove",     DM_DEV_REMOVE,    {1, 0, 0} },
        { "remove_all", DM_REMOVE_ALL,    {1, 0, 0} },
        { "suspend",    DM_DEV_SUSPEND,   {1, 0, 0} },
        { "resume",     DM_DEV_SUSPEND,   {1, 0, 0} },
        { "info",       DM_DEV_STATUS,    {1, 0, 0} },
        { "deps",       DM_DEV_DEPS,      {1, 0, 0} },
        { "rename",     DM_DEV_RENAME,    {1, 0, 0} },
        { "version",    DM_VERSION,       {1, 0, 0} },
        { "status",     DM_TARGET_STATUS, {1, 0, 0} },
        { "table",      DM_TARGET_STATUS, {1, 0, 0} },
        { "waitevent",  DM_TARGET_WAIT,   {1, 0, 0} },
};
/* *INDENT-ON* */

#endif