uapi/linux/dm-ioctl.h

1 /* SPDX-License-Identifier: LGPL-2.0+ WITH Linux-syscall-note */
3  * Copyright (C) 2001 - 2003 Sistina Software (UK) Limited.
4  * Copyright (C) 2004 - 2009 Red Hat, Inc. All rights reserved.
24  * 'active' table which is the one currently used by io passing
26  * that is being prepared as a replacement for the 'active' one.
39  * Create a new device, neither the 'active' or 'inactive' table
42  * since it will be out-of-bounds.
58  * slot, it will be moved to the active slot, then the old table
59  * from the active slot will be _destroyed_.  Finally the device
63  * Retrieves the status for the table in the 'active' slot.
68  * targets of the table in the 'active' slot, or a table change.
78  * Return a set of device dependencies for the 'active' table.
81  * Return the targets status for the 'active' table.
106 	 * major - no backward or forward compatibility,
107 	 * minor - only backwards compatible,
108 	 * patch - both backwards and forwards compatible.
115 	 * return -ENOTTY) fill out this field, even if the
134 	 * use the field as a cookie to return in the DM_COOKIE
160 	 * - When specifying targets on a DM_TABLE_LOAD command, this value is
163 	 * - When retrieving targets on a DM_TABLE_STATUS command, this value
200 	 * and aligning this pointer to next 8-byte boundary.
233  * to dm-ioctl.c:lookup_ioctl()
291 #define DM_VERSION_EXTRA	"-ioctl (2023-03-01)"