/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * connector.h * * 2004-2005 Copyright (c) Evgeniy Polyakov <zbr@ioremap.net> * 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 as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * 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 02111-1307 USA */ #ifndef __CONNECTOR_H #define __CONNECTOR_H #include <linux/types.h> /* * Process Events connector unique ids -- used for message routing */ #define CN_IDX_PROC 0x1 #define CN_VAL_PROC 0x1 #define CN_IDX_CIFS 0x2 #define CN_VAL_CIFS 0x1 #define CN_W1_IDX 0x3 /* w1 communication */ #define CN_W1_VAL 0x1 #define CN_IDX_V86D 0x4 #define CN_VAL_V86D_UVESAFB 0x1 #define CN_IDX_BB 0x5 /* BlackBoard, from the TSP GPL sampling framework */ #define CN_DST_IDX 0x6 #define CN_DST_VAL 0x1 #define CN_IDX_DM 0x7 /* Device Mapper */ #define CN_VAL_DM_USERSPACE_LOG 0x1 #define CN_IDX_DRBD 0x8 #define CN_VAL_DRBD 0x1 #define CN_KVP_IDX 0x9 /* HyperV KVP */ #define CN_KVP_VAL 0x1 /* queries from the kernel */ #define CN_VSS_IDX 0xA /* HyperV VSS */ #define CN_VSS_VAL 0x1 /* queries from the kernel */ #define CN_NETLINK_USERS 11 /* Highest index + 1 */ /* * Maximum connector's message size. */ #define CONNECTOR_MAX_MSG_SIZE 16384 /* * idx and val are unique identifiers which * are used for message routing and * must be registered in connector.h for in-kernel usage. */ struct cb_id { __u32 idx; __u32 val; }; struct cn_msg { struct cb_id id; __u32 seq; __u32 ack; __u16 len; /* Length of the following data */ __u16 flags; __u8 data[0]; }; #endif /* __CONNECTOR_H */