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 24 /* Configuration policy attributes, used for CONNECT */ 25 enum { 26 NBD_ATTR_UNSPEC, 27 NBD_ATTR_INDEX, 28 NBD_ATTR_SIZE_BYTES, 29 NBD_ATTR_BLOCK_SIZE_BYTES, 30 NBD_ATTR_TIMEOUT, 31 NBD_ATTR_SERVER_FLAGS, 32 NBD_ATTR_CLIENT_FLAGS, 33 NBD_ATTR_SOCKETS, 34 __NBD_ATTR_MAX, 35 }; 36 #define NBD_ATTR_MAX (__NBD_ATTR_MAX - 1) 37 38 /* 39 * This is the format for multiple sockets with NBD_ATTR_SOCKETS 40 * 41 * [NBD_ATTR_SOCKETS] 42 * [NBD_SOCK_ITEM] 43 * [NBD_SOCK_FD] 44 * [NBD_SOCK_ITEM] 45 * [NBD_SOCK_FD] 46 */ 47 enum { 48 NBD_SOCK_ITEM_UNSPEC, 49 NBD_SOCK_ITEM, 50 __NBD_SOCK_ITEM_MAX, 51 }; 52 #define NBD_SOCK_ITEM_MAX (__NBD_SOCK_ITEM_MAX - 1) 53 54 enum { 55 NBD_SOCK_UNSPEC, 56 NBD_SOCK_FD, 57 __NBD_SOCK_MAX, 58 }; 59 #define NBD_SOCK_MAX (__NBD_SOCK_MAX - 1) 60 61 enum { 62 NBD_CMD_UNSPEC, 63 NBD_CMD_CONNECT, 64 NBD_CMD_DISCONNECT, 65 __NBD_CMD_MAX, 66 }; 67 #define NBD_CMD_MAX (__NBD_CMD_MAX - 1) 68 69 #endif /* _UAPILINUX_NBD_NETLINK_H */ 70