Quelle connector.h Sprache: C

/* 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 _UAPI__CONNECTOR_H
#define _UAPI__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[];
};

#endif /* _UAPI__CONNECTOR_H */

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