1 /* 2 * connector.h 3 * 4 * 2004-2005 Copyright (c) Evgeniy Polyakov <johnpol@2ka.mipt.ru> 5 * All rights reserved. 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 20 */ 21 22 #ifndef __CONNECTOR_H 23 #define __CONNECTOR_H 24 25 #include <asm/types.h> 26 27 #define CN_IDX_CONNECTOR 0xffffffff 28 #define CN_VAL_CONNECTOR 0xffffffff 29 30 /* 31 * Process Events connector unique ids -- used for message routing 32 */ 33 #define CN_IDX_PROC 0x1 34 #define CN_VAL_PROC 0x1 35 #define CN_IDX_CIFS 0x2 36 #define CN_VAL_CIFS 0x1 37 #define CN_W1_IDX 0x3 /* w1 communication */ 38 #define CN_W1_VAL 0x1 39 #define CN_IDX_V86D 0x4 40 #define CN_VAL_V86D_UVESAFB 0x1 41 42 #define CN_NETLINK_USERS 5 43 44 /* 45 * Maximum connector's message size. 46 */ 47 #define CONNECTOR_MAX_MSG_SIZE 16384 48 49 /* 50 * idx and val are unique identifiers which 51 * are used for message routing and 52 * must be registered in connector.h for in-kernel usage. 53 */ 54 55 struct cb_id { 56 __u32 idx; 57 __u32 val; 58 }; 59 60 struct cn_msg { 61 struct cb_id id; 62 63 __u32 seq; 64 __u32 ack; 65 66 __u16 len; /* Length of the following data */ 67 __u16 flags; 68 __u8 data[0]; 69 }; 70 71 /* 72 * Notify structure - requests notification about 73 * registering/unregistering idx/val in range [first, first+range]. 74 */ 75 struct cn_notify_req { 76 __u32 first; 77 __u32 range; 78 }; 79 80 /* 81 * Main notification control message 82 * *_notify_num - number of appropriate cn_notify_req structures after 83 * this struct. 84 * group - notification receiver's idx. 85 * len - total length of the attached data. 86 */ 87 struct cn_ctl_msg { 88 __u32 idx_notify_num; 89 __u32 val_notify_num; 90 __u32 group; 91 __u32 len; 92 __u8 data[0]; 93 }; 94 95 #endif /* __CONNECTOR_H */ 96