X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/fb2dd0f20bd6264291dccb5e97609a23cae2fd1a..HEAD:/lincan/src/ioctl_rtl.c diff --git a/lincan/src/ioctl_rtl.c b/lincan/src/ioctl_rtl.c index 449b345..d811866 100644 --- a/lincan/src/ioctl_rtl.c +++ b/lincan/src/ioctl_rtl.c @@ -1,11 +1,36 @@ -/* ioctl.c - * Linux CAN-bus device driver. - * Written by Arnaud Westenberg email:arnaud@wanadoo.nl - * Rewritten for new CAN queues by Pavel Pisa - OCERA team member - * email:pisa@cmp.felk.cvut.cz - * This software is released under the GPL-License. - * Version lincan-0.2 9 Jul 2003 - */ +/**************************************************************************/ +/* File: ioctl_rtl.c - RT-Linux variant of IOCTL system call */ +/* */ +/* LinCAN - (Not only) Linux CAN bus driver */ +/* Copyright (C) 2002-2009 DCE FEE CTU Prague */ +/* Copyright (C) 2002-2009 Pavel Pisa */ +/* Funded by OCERA and FRESCOR IST projects */ +/* Based on CAN driver code by Arnaud Westenberg */ +/* */ +/* LinCAN is free software; you can redistribute it and/or modify it */ +/* under terms of the GNU General Public License as published by the */ +/* Free Software Foundation; either version 2, or (at your option) any */ +/* later version. LinCAN 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 LinCAN; see file */ +/* COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, */ +/* Cambridge, MA 02139, USA. */ +/* */ +/* To allow use of LinCAN in the compact embedded systems firmware */ +/* and RT-executives (RTEMS for example), main authors agree with next */ +/* special exception: */ +/* */ +/* Including LinCAN header files in a file, instantiating LinCAN generics */ +/* or templates, or linking other files with LinCAN objects to produce */ +/* an application image/executable, does not by itself cause the */ +/* resulting application image/executable to be covered by */ +/* the GNU General Public License. */ +/* This exception does not however invalidate any other reasons */ +/* why the executable file might be covered by the GNU Public License. */ +/* Publication of enhanced or derived LinCAN files is required although. */ +/**************************************************************************/ #ifdef CAN_WITH_RTL @@ -14,6 +39,7 @@ #include "../include/main.h" #include +#include "../include/ioctl.h" #include "../include/can_iortl.h" @@ -25,14 +51,14 @@ int can_ioctl_rtl_posix(struct rtl_file *fptr, unsigned int cmd, unsigned long a unsigned short channel=0; unsigned btr0=0, btr1=0; struct msgobj_t *obj; - struct chip_t *chip; + struct canchip_t *chip; struct canque_ends_t *qends; - + if(!canuser || (canuser->magic != CAN_USER_MAGIC)){ CANMSG("can_ioctl_: bad canuser magic\n"); return -ENODEV; } - + obj = canuser->msgobj; if (obj == NULL) { CANMSG("Could not assign buffer structure\n"); @@ -48,6 +74,9 @@ int can_ioctl_rtl_posix(struct rtl_file *fptr, unsigned int cmd, unsigned long a } switch (cmd) { + case CAN_DRV_QUERY: { + return can_ioctl_query(canuser, arg); + } case STAT: { for (i=0x0; i<0x100; i++) CANMSG("0x%x is 0x%x\n",i,can_read_reg(chip,i)); @@ -74,10 +103,9 @@ int can_ioctl_rtl_posix(struct rtl_file *fptr, unsigned int cmd, unsigned long a break; } - + case CANQUE_FILTER: { - struct canfilt_t canfilt; - copy_from_user(&canfilt, (void*)arg, sizeof(struct canfilt_t)); + struct canfilt_t canfilt=*(struct canfilt_t *)arg; if(canuser->rx_edge0){ canque_set_filt(canuser->rx_edge0, canfilt.id, canfilt.mask, canfilt.flags); } @@ -99,7 +127,7 @@ int can_ioctl_rtl_posix(struct rtl_file *fptr, unsigned int cmd, unsigned long a CANMSG("Not a valid ioctl command\n"); return -EINVAL; } - + } return 0;