1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * Copyright (C) 2017 Facebook. All rights reserved. 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public 7 * License v2 as published by the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 * General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public 15 * License along with this program; if not, write to the 16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 17 * Boston, MA 021110-1307, USA. 18 */ 19 #ifndef _UAPILINUX_NBD_NETLINK_H 20 #define _UAPILINUX_NBD_NETLINK_H 21 22 #define NBD_GENL_FAMILY_NAME "nbd" 23 #define NBD_GENL_VERSION 0x1 24 #define NBD_GENL_MCAST_GROUP_NAME "nbd_mc_group" 25 26 /* Configuration policy attributes, used for CONNECT */ 27 enum { 28 NBD_ATTR_UNSPEC, 29 NBD_ATTR_INDEX, 30 NBD_ATTR_SIZE_BYTES, 31 NBD_ATTR_BLOCK_SIZE_BYTES, 32 NBD_ATTR_TIMEOUT, 33 NBD_ATTR_SERVER_FLAGS, 34 NBD_ATTR_CLIENT_FLAGS, 35 NBD_ATTR_SOCKETS, 36 NBD_ATTR_DEAD_CONN_TIMEOUT, 37 NBD_ATTR_DEVICE_LIST, 38 __NBD_ATTR_MAX, 39 }; 40 #define NBD_ATTR_MAX (__NBD_ATTR_MAX - 1) 41 42 /* 43 * This is the format for multiple devices with NBD_ATTR_DEVICE_LIST 44 * 45 * [NBD_ATTR_DEVICE_LIST] 46 * [NBD_DEVICE_ITEM] 47 * [NBD_DEVICE_INDEX] 48 * [NBD_DEVICE_CONNECTED] 49 */ 50 enum { 51 NBD_DEVICE_ITEM_UNSPEC, 52 NBD_DEVICE_ITEM, 53 __NBD_DEVICE_ITEM_MAX, 54 }; 55 #define NBD_DEVICE_ITEM_MAX (__NBD_DEVICE_ITEM_MAX - 1) 56 57 enum { 58 NBD_DEVICE_UNSPEC, 59 NBD_DEVICE_INDEX, 60 NBD_DEVICE_CONNECTED, 61 __NBD_DEVICE_MAX, 62 }; 63 #define NBD_DEVICE_ATTR_MAX (__NBD_DEVICE_MAX - 1) 64 65 /* 66 * This is the format for multiple sockets with NBD_ATTR_SOCKETS 67 * 68 * [NBD_ATTR_SOCKETS] 69 * [NBD_SOCK_ITEM] 70 * [NBD_SOCK_FD] 71 * [NBD_SOCK_ITEM] 72 * [NBD_SOCK_FD] 73 */ 74 enum { 75 NBD_SOCK_ITEM_UNSPEC, 76 NBD_SOCK_ITEM, 77 __NBD_SOCK_ITEM_MAX, 78 }; 79 #define NBD_SOCK_ITEM_MAX (__NBD_SOCK_ITEM_MAX - 1) 80 81 enum { 82 NBD_SOCK_UNSPEC, 83 NBD_SOCK_FD, 84 __NBD_SOCK_MAX, 85 }; 86 #define NBD_SOCK_MAX (__NBD_SOCK_MAX - 1) 87 88 enum { 89 NBD_CMD_UNSPEC, 90 NBD_CMD_CONNECT, 91 NBD_CMD_DISCONNECT, 92 NBD_CMD_RECONFIGURE, 93 NBD_CMD_LINK_DEAD, 94 NBD_CMD_STATUS, 95 __NBD_CMD_MAX, 96 }; 97 #define NBD_CMD_MAX (__NBD_CMD_MAX - 1) 98 99 #endif /* _UAPILINUX_NBD_NETLINK_H */ 100