IgH EtherCAT Master  1.6.2
rtdm_details.h
1 /*****************************************************************************
2  *
3  * Copyright (C) 2024 Bjarne von Horn <vh@igh.de>
4  *
5  * This file is part of the IgH EtherCAT master.
6  *
7  * The IgH EtherCAT master is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as published
9  * by the Free Software Foundation; version 2 of the License.
10  *
11  * The IgH EtherCAT master is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
14  * Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License along
17  * with the IgH EtherCAT master. If not, see <http://www.gnu.org/licenses/>.
18  *
19  ****************************************************************************/
20 
21 #ifndef __EC_RTDM_DETAILS_H__
22 #define __EC_RTDM_DETAILS_H__
23 
24 #include "../config.h"
25 #include "ioctl.h"
26 
27 #include <linux/kernel.h>
28 
29 #ifdef EC_RTDM_XENOMAI_V3
30 
31 #include <rtdm/driver.h>
32 #define EC_RTDM_USERFD_T struct rtdm_fd
33 
34 #else // EC_RTDM_XENOMAI_V3
35 
36 #include <rtdm/rtdm_driver.h>
37 
38 #define EC_RTDM_USERFD_T rtdm_user_info_t
39 
40 #endif // EC_RTDM_XENOMAI_V3
41 
42 /****************************************************************************/
43 
46 typedef struct ec_rtdm_context {
47  EC_RTDM_USERFD_T *user_fd;
48  ec_ioctl_context_t ioctl_ctx;
50 
51 /****************************************************************************/
52 
53 static inline EC_RTDM_USERFD_T *ec_ioctl_to_rtdm(ec_ioctl_context_t *ctx)
54 {
55  return container_of(ctx, ec_rtdm_context_t, ioctl_ctx)->user_fd;
56 }
57 
58 /****************************************************************************/
59 
60 #endif // __EC_RTDM_DETAILS_H__
ec_ioctl_context_t ioctl_ctx
Context structure.
Definition: rtdm_details.h:48
Context structure for an open RTDM file handle.
Definition: rtdm_details.h:46
EC_RTDM_USERFD_T * user_fd
RTDM user data.
Definition: rtdm_details.h:47
EtherCAT master character device IOCTL commands.