dlls/ntdll/serial.c

   1 /* Main file for COMM support
   2  *
   3  * DEC 93 Erik Bos <erik@xs4all.nl>
   4  * Copyright 1996 Marcus Meissner
   5  * Copyright 2005 Eric Pouech
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library 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 GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <errno.h>
  26 #include <string.h>
  27 #include <stdlib.h>
  28 #include <stdarg.h>
  29 #include <stdio.h>
  30 #ifdef HAVE_STRINGS_H
  31 # include <strings.h>
  32 #endif
  33 #ifdef HAVE_TERMIOS_H
  34 #include <termios.h>
  35 #endif
  36 #ifdef HAVE_IO_H
  37 # include <io.h>
  38 #endif
  39 #ifdef HAVE_UNISTD_H
  40 # include <unistd.h>
  41 #endif
  42 #ifdef HAVE_TERMIOS_H
  43 #include <termios.h>
  44 #endif
  45 #include <fcntl.h>
  46 #ifdef HAVE_SYS_STAT_H
  47 # include <sys/stat.h>
  48 #endif
  49 #include <sys/types.h>
  50 #ifdef HAVE_SYS_FILIO_H
  51 # include <sys/filio.h>
  52 #endif
  53 #ifdef HAVE_SYS_IOCTL_H
  54 #include <sys/ioctl.h>
  55 #endif
  56 #ifdef HAVE_SYS_POLL_H
  57 # include <sys/poll.h>
  58 #endif
  59 #ifdef HAVE_SYS_MODEM_H
  60 # include <sys/modem.h>
  61 #endif
  62 #ifdef HAVE_SYS_STRTIO_H
  63 # include <sys/strtio.h>
  64 #endif
  65
  66 #define NONAMELESSUNION
  67 #define NONAMELESSSTRUCT
  68 #include "ntstatus.h"
  69 #define WIN32_NO_STATUS
  70 #include "windef.h"
  71 #include "winternl.h"
  72 #include "winioctl.h"
  73 #include "ddk/ntddser.h"
  74 #include "ntdll_misc.h"
  75 #include "wine/server.h"
  76 #include "wine/library.h"
  77 #include "wine/debug.h"
  78
  79 #ifdef HAVE_LINUX_SERIAL_H
  80 #include <linux/serial.h>
  81 #endif
  82
  83 WINE_DEFAULT_DEBUG_CHANNEL(comm);
  84
  85 static const char* iocode2str(DWORD ioc)
  86 {
  87     switch (ioc)
  88     {
  89 #define X(x)    case (x): return #x;
  90         X(IOCTL_SERIAL_CLEAR_STATS);
  91         X(IOCTL_SERIAL_CLR_DTR);
  92         X(IOCTL_SERIAL_CLR_RTS);
  93         X(IOCTL_SERIAL_CONFIG_SIZE);
  94         X(IOCTL_SERIAL_GET_BAUD_RATE);
  95         X(IOCTL_SERIAL_GET_CHARS);
  96         X(IOCTL_SERIAL_GET_COMMSTATUS);
  97         X(IOCTL_SERIAL_GET_DTRRTS);
  98         X(IOCTL_SERIAL_GET_HANDFLOW);
  99         X(IOCTL_SERIAL_GET_LINE_CONTROL);
 100         X(IOCTL_SERIAL_GET_MODEM_CONTROL);
 101         X(IOCTL_SERIAL_GET_MODEMSTATUS);
 102         X(IOCTL_SERIAL_GET_PROPERTIES);
 103         X(IOCTL_SERIAL_GET_STATS);
 104         X(IOCTL_SERIAL_GET_TIMEOUTS);
 105         X(IOCTL_SERIAL_GET_WAIT_MASK);
 106         X(IOCTL_SERIAL_IMMEDIATE_CHAR);
 107         X(IOCTL_SERIAL_LSRMST_INSERT);
 108         X(IOCTL_SERIAL_PURGE);
 109         X(IOCTL_SERIAL_RESET_DEVICE);
 110         X(IOCTL_SERIAL_SET_BAUD_RATE);
 111         X(IOCTL_SERIAL_SET_BREAK_ON);
 112         X(IOCTL_SERIAL_SET_BREAK_OFF);
 113         X(IOCTL_SERIAL_SET_CHARS);
 114         X(IOCTL_SERIAL_SET_DTR);
 115         X(IOCTL_SERIAL_SET_FIFO_CONTROL);
 116         X(IOCTL_SERIAL_SET_HANDFLOW);
 117         X(IOCTL_SERIAL_SET_LINE_CONTROL);
 118         X(IOCTL_SERIAL_SET_MODEM_CONTROL);
 119         X(IOCTL_SERIAL_SET_QUEUE_SIZE);
 120         X(IOCTL_SERIAL_SET_RTS);
 121         X(IOCTL_SERIAL_SET_TIMEOUTS);
 122         X(IOCTL_SERIAL_SET_WAIT_MASK);
 123         X(IOCTL_SERIAL_SET_XOFF);
 124         X(IOCTL_SERIAL_SET_XON);
 125         X(IOCTL_SERIAL_WAIT_ON_MASK);
 126         X(IOCTL_SERIAL_XOFF_COUNTER);
 127 #undef X
 128     default: { static char tmp[32]; sprintf(tmp, "IOCTL_SERIAL_%ld\n", ioc); return tmp; }
 129     }
 130 }
 131
 132 /******************************************************************
 133  *              COMM_DeviceIoControl
 134  *
 135  *
 136  */
 137 NTSTATUS COMM_DeviceIoControl(HANDLE hDevice,
 138                               HANDLE hEvent, PIO_APC_ROUTINE UserApcRoutine,
 139                               PVOID UserApcContext,
 140                               PIO_STATUS_BLOCK piosb,
 141                               ULONG dwIoControlCode,
 142                               LPVOID lpInBuffer, DWORD nInBufferSize,
 143                               LPVOID lpOutBuffer, DWORD nOutBufferSize)
 144 {
 145     DWORD       sz = 0, access = FILE_READ_DATA;
 146     NTSTATUS    status = STATUS_SUCCESS;
 147     int         fd;
 148
 149     TRACE("%p %s %p %ld %p %ld %p\n",
 150           hDevice, iocode2str(dwIoControlCode), lpInBuffer, nInBufferSize,
 151           lpOutBuffer, nOutBufferSize, piosb);
 152
 153     piosb->Information = 0;
 154
 155     if ((status = wine_server_handle_to_fd( hDevice, access, &fd, NULL ))) goto error;
 156
 157     switch (dwIoControlCode)
 158     {
 159     case IOCTL_SERIAL_SET_BREAK_OFF:
 160 #if defined(TIOCSBRK) && defined(TIOCCBRK) /* check if available for compilation */
 161         if (ioctl(fd, TIOCCBRK, 0) == -1)
 162         {
 163             TRACE("ioctl failed\n");
 164             status = FILE_GetNtStatus();
 165         }
 166 #else
 167         FIXME("ioctl not available\n");
 168         status = STATUS_NOT_SUPPORTED;
 169 #endif
 170         break;
 171     case IOCTL_SERIAL_SET_BREAK_ON:
 172 #if defined(TIOCSBRK) && defined(TIOCCBRK) /* check if available for compilation */
 173         if (ioctl(fd, TIOCSBRK, 0) == -1)
 174         {
 175             TRACE("ioctl failed\n");
 176             status = FILE_GetNtStatus();
 177         }
 178 #else
 179         FIXME("ioctl not available\n");
 180         status = STATUS_NOT_SUPPORTED;
 181 #endif
 182         break;
 183     default:
 184         FIXME("Unsupported IOCTL %lx (type=%lx access=%lx func=%lx meth=%lx)\n",
 185               dwIoControlCode, dwIoControlCode >> 16, (dwIoControlCode >> 14) & 3,
 186               (dwIoControlCode >> 2) & 0xFFF, dwIoControlCode & 3);
 187         sz = 0;
 188         status = STATUS_INVALID_PARAMETER;
 189         break;
 190     }
 191     wine_server_release_fd( hDevice, fd );
 192  error:
 193     piosb->u.Status = status;
 194     piosb->Information = sz;
 195     if (hEvent) NtSetEvent(hEvent, NULL);
 196     return status;
 197 }