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