/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ /* * Copyright (C) 2017 Facebook. All rights reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License v2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this program; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 021110-1307, USA. */ #ifndef _UAPILINUX_NBD_NETLINK_H #define _UAPILINUX_NBD_NETLINK_H #define NBD_GENL_FAMILY_NAME "nbd" #define NBD_GENL_VERSION 0x1 #define NBD_GENL_MCAST_GROUP_NAME "nbd_mc_group" /* Configuration policy attributes, used for CONNECT */ enum { NBD_ATTR_UNSPEC, NBD_ATTR_INDEX, NBD_ATTR_SIZE_BYTES, NBD_ATTR_BLOCK_SIZE_BYTES, NBD_ATTR_TIMEOUT, NBD_ATTR_SERVER_FLAGS, NBD_ATTR_CLIENT_FLAGS, NBD_ATTR_SOCKETS, NBD_ATTR_DEAD_CONN_TIMEOUT, NBD_ATTR_DEVICE_LIST, NBD_ATTR_BACKEND_IDENTIFIER, __NBD_ATTR_MAX, }; #define NBD_ATTR_MAX (__NBD_ATTR_MAX - 1) /* * This is the format for multiple devices with NBD_ATTR_DEVICE_LIST * * [NBD_ATTR_DEVICE_LIST] * [NBD_DEVICE_ITEM] * [NBD_DEVICE_INDEX] * [NBD_DEVICE_CONNECTED] */ enum { NBD_DEVICE_ITEM_UNSPEC, NBD_DEVICE_ITEM, __NBD_DEVICE_ITEM_MAX, }; #define NBD_DEVICE_ITEM_MAX (__NBD_DEVICE_ITEM_MAX - 1) enum { NBD_DEVICE_UNSPEC, NBD_DEVICE_INDEX, NBD_DEVICE_CONNECTED, __NBD_DEVICE_MAX, }; #define NBD_DEVICE_ATTR_MAX (__NBD_DEVICE_MAX - 1) /* * This is the format for multiple sockets with NBD_ATTR_SOCKETS * * [NBD_ATTR_SOCKETS] * [NBD_SOCK_ITEM] * [NBD_SOCK_FD] * [NBD_SOCK_ITEM] * [NBD_SOCK_FD] */ enum { NBD_SOCK_ITEM_UNSPEC, NBD_SOCK_ITEM, __NBD_SOCK_ITEM_MAX, }; #define NBD_SOCK_ITEM_MAX (__NBD_SOCK_ITEM_MAX - 1) enum { NBD_SOCK_UNSPEC, NBD_SOCK_FD, __NBD_SOCK_MAX, }; #define NBD_SOCK_MAX (__NBD_SOCK_MAX - 1) enum { NBD_CMD_UNSPEC, NBD_CMD_CONNECT, NBD_CMD_DISCONNECT, NBD_CMD_RECONFIGURE, NBD_CMD_LINK_DEAD, NBD_CMD_STATUS, __NBD_CMD_MAX, }; #define NBD_CMD_MAX (__NBD_CMD_MAX - 1) #endif /* _UAPILINUX_NBD_NETLINK_H */