The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/i386/include/cserial.h

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    1 /*-
    2  * Ioctl interface to Cronyx serial drivers.
    3  *
    4  * Copyright (C) 1997-2002 Cronyx Engineering.
    5  * Author: Serge Vakulenko, <vak@cronyx.ru>
    6  *
    7  * Copyright (C) 2001-2003 Cronyx Engineering.
    8  * Author: Roman Kurakin, <rik@cronyx.ru>
    9  *
   10  * This software is distributed with NO WARRANTIES, not even the implied
   11  * warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   12  *
   13  * Authors grant any other persons or organisations permission to use
   14  * or modify this software as long as this message is kept with the software,
   15  * all derivative works or modified versions.
   16  *
   17  * Cronyx Id: cserial.h,v 1.1.2.4 2003/11/12 17:11:08 rik Exp $
   18  * $FreeBSD: releng/6.0/sys/i386/include/cserial.h 139790 2005-01-06 22:18:23Z imp $
   19  */
   20 
   21 /*
   22  * General channel statistics.
   23  */
   24 struct serial_statistics {
   25         unsigned long rintr;            /* receive interrupts */
   26         unsigned long tintr;            /* transmit interrupts */
   27         unsigned long mintr;            /* modem interrupts */
   28         unsigned long ibytes;           /* input bytes */
   29         unsigned long ipkts;            /* input packets */
   30         unsigned long ierrs;            /* input errors */
   31         unsigned long obytes;           /* output bytes */
   32         unsigned long opkts;            /* output packets */
   33         unsigned long oerrs;            /* output errors */
   34 };
   35 
   36 /*
   37  * Statistics for E1/G703 channels.
   38  */
   39 struct e1_counters {
   40         unsigned long bpv;              /* bipolar violations */
   41         unsigned long fse;              /* frame sync errors */
   42         unsigned long crce;             /* CRC errors */
   43         unsigned long rcrce;            /* remote CRC errors (E-bit) */
   44         unsigned long uas;              /* unavailable seconds */
   45         unsigned long les;              /* line errored seconds */
   46         unsigned long es;               /* errored seconds */
   47         unsigned long bes;              /* bursty errored seconds */
   48         unsigned long ses;              /* severely errored seconds */
   49         unsigned long oofs;             /* out of frame seconds */
   50         unsigned long css;              /* controlled slip seconds */
   51         unsigned long dm;               /* degraded minutes */
   52 };
   53 
   54 struct e1_statistics {
   55         unsigned long status;           /* line status bit mask */
   56         unsigned long cursec;           /* seconds in current interval */
   57         unsigned long totsec;           /* total seconds elapsed */
   58         struct e1_counters currnt;      /* current 15-min interval data */
   59         struct e1_counters total;       /* total statistics data */
   60         struct e1_counters interval [48]; /* 12 hour period data */
   61 };
   62 
   63 struct e3_statistics {
   64         unsigned long status;
   65         unsigned long cursec;
   66         unsigned long totsec;
   67         unsigned long ccv;
   68         unsigned long tcv;
   69         unsigned long icv[48];
   70 };
   71 
   72 #define M_ASYNC         0               /* asynchronous mode */
   73 #define M_HDLC          1               /* bit-sync mode (HDLC) */
   74 #define M_G703          2
   75 #define M_E1            3
   76 
   77 /*
   78  * Receive error codes.
   79  */
   80 #define ER_FRAMING      1               /* framing error */
   81 #define ER_CHECKSUM     2               /* parity/CRC error */
   82 #define ER_BREAK        3               /* break state */
   83 #define ER_OVERFLOW     4               /* receive buffer overflow */
   84 #define ER_OVERRUN      5               /* receive fifo overrun */
   85 #define ER_UNDERRUN     6               /* transmit fifo underrun */
   86 #define ER_SCC_FRAMING  7               /* subchannel framing error */
   87 #define ER_SCC_OVERFLOW 8               /* subchannel receive buffer overflow */
   88 #define ER_SCC_OVERRUN  9               /* subchannel receiver overrun */
   89 
   90 /*
   91  * E1 channel status.
   92  */
   93 #define E1_NOALARM      0x0001          /* no alarm present */
   94 #define E1_FARLOF       0x0002          /* receiving far loss of framing */
   95 #define E1_AIS          0x0008          /* receiving all ones */
   96 #define E1_LOF          0x0020          /* loss of framing */
   97 #define E1_LOS          0x0040          /* loss of signal */
   98 #define E1_AIS16        0x0100          /* receiving all ones in timeslot 16 */
   99 #define E1_FARLOMF      0x0200          /* receiving alarm in timeslot 16 */
  100 #define E1_LOMF         0x0400          /* loss of multiframe sync */
  101 #define E1_TSTREQ       0x0800          /* test code detected */
  102 #define E1_TSTERR       0x1000          /* test error */
  103 
  104 #define E3_LOS          0x00000002      /* Lost of synchronization */
  105 #define E3_TXE          0x00000004      /* Transmit error */
  106 
  107 /*
  108  * Query the mask of all registered channels, max 128.
  109  */
  110 #define SERIAL_GETREGISTERED    _IOR ('x', 0, char[16])
  111 
  112 /*
  113  * Attach/detach the protocol to the channel.
  114  * The protocol is given by it's name, char[8].
  115  * For example "async", "hdlc", "cisco", "fr", "ppp".
  116  */
  117 #define SERIAL_GETPROTO         _IOR ('x', 1, char [8])
  118 #define SERIAL_SETPROTO         _IOW ('x', 1, char [8])
  119 
  120 /*
  121  * Query/set the hardware mode for the channel.
  122  */
  123 #define SERIAL_GETMODE          _IOR ('x', 2, int)
  124 #define SERIAL_SETMODE          _IOW ('x', 2, int)
  125 
  126 #define SERIAL_ASYNC            1
  127 #define SERIAL_HDLC             2
  128 
  129 /*
  130  * Get/clear the channel statistics.
  131  */
  132 #define SERIAL_GETSTAT          _IOR ('x', 3, struct serial_statistics)
  133 #define SERIAL_GETESTAT         _IOR ('x', 3, struct e1_statistics)
  134 #define SERIAL_GETE3STAT        _IOR ('x', 3, struct e3_statistics)
  135 #define SERIAL_CLRSTAT          _IO  ('x', 3)
  136 
  137 /*
  138  * Query/set the synchronization mode and baud rate.
  139  * If baud==0 then the external clock is used.
  140  */
  141 #define SERIAL_GETBAUD          _IOR ('x', 4, long)
  142 #define SERIAL_SETBAUD          _IOW ('x', 4, long)
  143 
  144 /*
  145  * Query/set the internal loopback mode,
  146  * useful for debugging purposes.
  147  */
  148 #define SERIAL_GETLOOP          _IOR ('x', 5, int)
  149 #define SERIAL_SETLOOP          _IOW ('x', 5, int)
  150 
  151 /*
  152  * Query/set the DPLL mode, commonly used with NRZI
  153  * for channels lacking synchro signals.
  154  */
  155 #define SERIAL_GETDPLL          _IOR ('x', 6, int)
  156 #define SERIAL_SETDPLL          _IOW ('x', 6, int)
  157 
  158 /*
  159  * Query/set the NRZI encoding (default is NRZ).
  160  */
  161 #define SERIAL_GETNRZI          _IOR ('x', 7, int)
  162 #define SERIAL_SETNRZI          _IOW ('x', 7, int)
  163 
  164 /*
  165  * Invert receive and transmit clock.
  166  */
  167 #define SERIAL_GETINVCLK        _IOR ('x', 8, int)
  168 #define SERIAL_SETINVCLK        _IOW ('x', 8, int)
  169 
  170 /*
  171  * Query/set the E1/G703 synchronization mode.
  172  */
  173 #define SERIAL_GETCLK           _IOR ('x', 9, int)
  174 #define SERIAL_SETCLK           _IOW ('x', 9, int)
  175 
  176 #define E1CLK_INTERNAL          0
  177 #define E1CLK_RECEIVE           1
  178 #define E1CLK_RECEIVE_CHAN0     2
  179 #define E1CLK_RECEIVE_CHAN1     3
  180 #define E1CLK_RECEIVE_CHAN2     4
  181 #define E1CLK_RECEIVE_CHAN3     5
  182 
  183 /*
  184  * Query/set the E1 timeslot mask.
  185  */
  186 #define SERIAL_GETTIMESLOTS     _IOR ('x', 10, long)
  187 #define SERIAL_SETTIMESLOTS     _IOW ('x', 10, long)
  188 
  189 /*
  190  * Query/set the E1 subchannel timeslot mask.
  191  */
  192 #define SERIAL_GETSUBCHAN       _IOR ('x', 11, long)
  193 #define SERIAL_SETSUBCHAN       _IOW ('x', 11, long)
  194 
  195 /*
  196  * Query/set the high input sensitivity mode (E1).
  197  */
  198 #define SERIAL_GETHIGAIN        _IOR ('x', 12, int)
  199 #define SERIAL_SETHIGAIN        _IOW ('x', 12, int)
  200 
  201 /*
  202  * Query the input signal level in santibells.
  203  */
  204 #define SERIAL_GETLEVEL         _IOR ('x', 13, int)
  205 
  206 /*
  207  * Get the channel name.
  208  */
  209 #define SERIAL_GETNAME          _IOR ('x', 14, char [32])
  210 
  211 /*
  212  * Get version string.
  213  */
  214 #define SERIAL_GETVERSIONSTRING _IOR ('x', 15, char [256])
  215 
  216 /*
  217  * Query/set master channel.
  218  */
  219 #define SERIAL_GETMASTER        _IOR ('x', 16, char [16])
  220 #define SERIAL_SETMASTER        _IOW ('x', 16, char [16])
  221 
  222 /*
  223  * Query/set keepalive.
  224  */
  225 #define SERIAL_GETKEEPALIVE     _IOR ('x', 17, int)
  226 #define SERIAL_SETKEEPALIVE     _IOW ('x', 17, int)
  227 
  228 /*
  229  * Query/set E1 configuration.
  230  */
  231 #define SERIAL_GETCFG           _IOR ('x', 18, char)
  232 #define SERIAL_SETCFG           _IOW ('x', 18, char)
  233 
  234 /*
  235  * Query/set debug.
  236  */
  237 #define SERIAL_GETDEBUG         _IOR ('x', 19, int)
  238 #define SERIAL_SETDEBUG         _IOW ('x', 19, int)
  239 
  240 /*
  241  * Query/set phony mode (E1).
  242  */
  243 #define SERIAL_GETPHONY         _IOR ('x', 20, int)
  244 #define SERIAL_SETPHONY         _IOW ('x', 20, int)
  245 
  246 /*
  247  * Query/set timeslot 16 usage mode (E1).
  248  */
  249 #define SERIAL_GETUSE16         _IOR ('x', 21, int)
  250 #define SERIAL_SETUSE16         _IOW ('x', 21, int)
  251 
  252 /*
  253  * Query/set crc4 mode (E1).
  254  */
  255 #define SERIAL_GETCRC4          _IOR ('x', 22, int)
  256 #define SERIAL_SETCRC4          _IOW ('x', 22, int)
  257 
  258 /*
  259  * Query/set the timeout to recover after transmit interrupt loss.
  260  * If timo==0 recover will be disabled.
  261  */
  262 #define SERIAL_GETTIMO          _IOR ('x', 23, long)
  263 #define SERIAL_SETTIMO          _IOW ('x', 23, long)
  264 
  265 /*
  266  * Query/set port type for old models of Sigma
  267  * -1 Fixed or cable select
  268  * 0  RS-232
  269  * 1  V35
  270  * 2  RS-449
  271  * 3  E1        (only for Windows 2000)
  272  * 4  G.703     (only for Windows 2000)
  273  * 5  DATA      (only for Windows 2000)
  274  * 6  E3        (only for Windows 2000)
  275  * 7  T3        (only for Windows 2000)
  276  * 8  STS1      (only for Windows 2000)
  277  */
  278 #define SERIAL_GETPORT          _IOR ('x', 25, int)
  279 #define SERIAL_SETPORT          _IOW ('x', 25, int)
  280 
  281 /*
  282  * Add the virtual channel DLCI (Frame Relay).
  283  */
  284 #define SERIAL_ADDDLCI          _IOW ('x', 26, int)
  285 
  286 /*
  287  * Invert receive clock.
  288  */
  289 #define SERIAL_GETINVRCLK       _IOR ('x', 27, int)
  290 #define SERIAL_SETINVRCLK       _IOW ('x', 27, int)
  291 
  292 /*
  293  * Invert transmit clock.
  294  */
  295 #define SERIAL_GETINVTCLK       _IOR ('x', 28, int)
  296 #define SERIAL_SETINVTCLK       _IOW ('x', 28, int)
  297 
  298 /*
  299  * Unframed E1 mode.
  300  */
  301 #define SERIAL_GETUNFRAM        _IOR ('x', 29, int)
  302 #define SERIAL_SETUNFRAM        _IOW ('x', 29, int)
  303 
  304 /*
  305  * E1 monitoring mode.
  306  */
  307 #define SERIAL_GETMONITOR       _IOR ('x', 30, int)
  308 #define SERIAL_SETMONITOR       _IOW ('x', 30, int)
  309 
  310 /*
  311  * Interrupt number.
  312  */
  313 #define SERIAL_GETIRQ           _IOR ('x', 31, int)
  314 
  315 /*
  316  * Reset.
  317  */
  318 #define SERIAL_RESET            _IO ('x', 32)
  319 
  320 /*
  321  * Hard reset.
  322  */
  323 #define SERIAL_HARDRESET        _IO ('x', 33)
  324 
  325 /*
  326  * Query cable type.
  327  */
  328 #define SERIAL_GETCABLE         _IOR ('x', 34, int)
  329 
  330 /*
  331  * Assignment of HDLC ports to E1 channels.
  332  */
  333 #define SERIAL_GETDIR           _IOR ('x', 35, int)
  334 #define SERIAL_SETDIR           _IOW ('x', 35, int)
  335 
  336 struct dxc_table {                      /* cross-connector parameters */
  337         unsigned char ts [32];          /* timeslot number */
  338         unsigned char link [32];        /* E1 link number */
  339 };
  340 
  341 /*
  342  * DXC cross-connector settings for E1 channels.
  343  */
  344 #define SERIAL_GETDXC           _IOR ('x', 36, struct dxc_table)
  345 #define SERIAL_SETDXC           _IOW ('x', 36, struct dxc_table)
  346 
  347 /*
  348  * Scrambler for G.703.
  349  */
  350 #define SERIAL_GETSCRAMBLER     _IOR ('x', 37, int)
  351 #define SERIAL_SETSCRAMBLER     _IOW ('x', 37, int)
  352 
  353 /*
  354  * Length of cable for T3 and STS-1.
  355  */
  356 #define SERIAL_GETCABLEN        _IOR ('x', 38, int)
  357 #define SERIAL_SETCABLEN        _IOW ('x', 38, int)
  358 
  359 /*
  360  * Remote loopback for E3, T3 and STS-1.
  361  */
  362 #define SERIAL_GETRLOOP         _IOR ('x', 39, int)
  363 #define SERIAL_SETRLOOP         _IOW ('x', 39, int)
  364 
  365 /*
  366  * Dynamic binder interface.
  367  */
  368 #ifdef __KERNEL__
  369 typedef struct _chan_t chan_t;
  370 typedef struct _proto_t proto_t;
  371 
  372 void binder_register_protocol (proto_t *p);
  373 void binder_unregister_protocol (proto_t *p);
  374 
  375 int binder_register_channel (chan_t *h, char *prefix, int minor);
  376 void binder_unregister_channel (chan_t *h);
  377 
  378 /*
  379  * Hardware channel driver structure.
  380  */
  381 struct sk_buff;
  382 
  383 struct _chan_t {
  384         char name [16];
  385         int mtu;                        /* max packet size */
  386         int fifosz;                     /* total hardware i/o buffer size */
  387         int port;                       /* hardware base i/o port */
  388         int irq;                        /* hardware interrupt line */
  389         int minor;                      /* minor number 0..127, assigned by binder */
  390         int debug;                      /* debug level, 0..2 */
  391         int running;                    /* running, 0..1 */
  392         struct _proto_t *proto;         /* protocol interface data */
  393         void *sw;                       /* protocol private data */
  394         void *hw;                       /* hardware layer private data */
  395 
  396         /* Interface to protocol */
  397         int (*up) (chan_t *h);
  398         void (*down) (chan_t *h);
  399         int (*transmit) (chan_t *h, struct sk_buff *skb);
  400         void (*set_dtr) (chan_t *h, int val);
  401         void (*set_rts) (chan_t *h, int val);
  402         int (*query_dtr) (chan_t *h);
  403         int (*query_rts) (chan_t *h);
  404         int (*query_dsr) (chan_t *h);
  405         int (*query_cts) (chan_t *h);
  406         int (*query_dcd) (chan_t *h);
  407 
  408         /* Interface to async protocol */
  409         void (*set_async_param) (chan_t *h, int baud, int bits, int parity,
  410                 int stop2, int ignpar, int rtscts,
  411                 int ixon, int ixany, int symstart, int symstop);
  412         void (*send_break) (chan_t *h, int msec);
  413         void (*send_xon) (chan_t *h);
  414         void (*send_xoff) (chan_t *h);
  415         void (*start_transmitter) (chan_t *h);
  416         void (*stop_transmitter) (chan_t *h);
  417         void (*flush_transmit_buffer) (chan_t *h);
  418 
  419         /* Control interface */
  420         int (*control) (chan_t *h, unsigned int cmd, unsigned long arg);
  421 };
  422 
  423 /*
  424  * Protocol driver structure.
  425  */
  426 struct _proto_t {
  427         char *name;
  428         struct _proto_t *next;
  429 
  430         /* Interface to channel */
  431         void (*receive) (chan_t *h, struct sk_buff *skb);
  432         void (*receive_error) (chan_t *h, int errcode);
  433         void (*transmit) (chan_t *h);
  434         void (*modem_event) (chan_t *h);
  435 
  436         /* Interface to binder */
  437         int (*open) (chan_t *h);
  438         void (*close) (chan_t *h);
  439         int (*read) (chan_t *h, unsigned short flg, char *buf, int len);
  440         int (*write) (chan_t *h, unsigned short flg, const char *buf, int len);
  441         int (*select) (chan_t *h, int type, void *st, struct file *filp);
  442         struct fasync_struct *fasync;
  443 
  444         /* Control interface */
  445         int (*attach) (chan_t *h);
  446         int (*detach) (chan_t *h);
  447         int (*control) (chan_t *h, unsigned int cmd, unsigned long arg);
  448 };
  449 #endif /* KERNEL */

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