1 /* mpreg.h 1.2 87/12/22 */ 2 3 /* 4 * MPCC Asynchronous Communications Interface. 5 */ 6 #define MPINTRBASE 0xa0 /* base vector for interupts */ 7 #define MPMAGIC 1969 /* magic number for mblok */ 8 #define MPMAXPORT 32 /* maximum number of ports on an MPCC */ 9 10 /* 11 * MPCC's are capable of supporting one of a 12 * the protocols listed below. This driver 13 * supports only the async terminal protocol. 14 */ 15 #define MPPROTO_UNUSED 0 /* port not in use */ 16 #define MPPROTO_ASYNC 1 /* async protocol */ 17 #define MPPROTO_X25 2 /* x25 protocol (unsupported) */ 18 #define MPPROTO_BISYNC 3 /* bisync protocol (unsupported) */ 19 #define MPPROTO_SNA 4 /* sna protocol (unsupported) */ 20 21 #define NMPPROTO 5 /* max protocols supported by MPCC */ 22 23 #define MPINSET 8 24 #define MPOUTSET 8 25 26 /* 27 * Host Interface Structure 28 */ 29 struct his { 30 u_char semaphore; 31 #define MPSEMA_AVAILABLE 1 32 #define MPSEMA_WORK 4 33 u_char imok; 34 #define MPIMOK_ALIVE 0x01 35 #define MPIMOK_DEAD 0x80 36 u_char brdnum; /* Virtual brd number for protocol */ 37 u_char unused; 38 struct { 39 char inbdone[MPMAXPORT]; /* Ports w/ inbound completed */ 40 char outbdone[MPMAXPORT]; /* Ports w/ outbound available */ 41 u_int fill[2]; 42 } proto[NMPPROTO]; 43 }; 44 45 #define MPPORT_EOL -1 /* end of port list */ 46 47 /* 48 * Async host transmit list structure. 49 */ 50 #define MPXMIT 4 /* # of transmit ptrs/MP_WRITE event */ 51 52 struct hxmtl { 53 caddr_t dblock[MPXMIT]; /* ptrs to data blocks */ 54 u_short size[MPXMIT]; /* size of each block */ 55 }; 56 57 /* 58 * MPCC asynchronous protocol events. 59 */ 60 struct mpevent { 61 u_char ev_status; /* Go Status */ 62 u_char ev_cmd; /* Optional Op-code */ 63 u_short ev_opts; /* Optional flags */ 64 u_short ev_error; /* error status returned */ 65 u_short ev_flags; /* optional event flags field */ 66 caddr_t ev_params; /* pointer to event parameters */ 67 union { 68 struct hxmtl *hxl; /* pointer to host xmit list */ 69 u_char *rcvblk; /* pointer to receive block */ 70 } ev_un; 71 u_short ev_count; /* # ptrs in xmit list/# receive chars */ 72 u_short ev_unused; /* round to longword */ 73 u_int ev_unused2; /* round to size of BSC struct. GROT!! */ 74 }; 75 76 /* defines for ev_status */ 77 #define EVSTATUS_FREE 0 78 #define EVSTATUS_GO 1 79 #define EVSTATUS_BUSY 2 80 #define EVSTATUS_DONE 4 81 82 /* defines for ev_cmd */ 83 #define EVCMD_OPEN 1 84 #define EVCMD_CLOSE 2 85 #define EVCMD_RESET 3 86 #define EVCMD_IOCTL 4 87 #define EVCMD_WRITE 5 88 #define EVCMD_READ 6 89 #define EVCMD_STATUS 7 90 #define EVCMD_EVENT 8 91 92 /* 93 * Host-MPCC interface block. 94 */ 95 struct mblok { 96 u_char mb_status; /* mpcc status */ 97 u_char mb_ivec; /* host interrupt vector */ 98 u_short mb_magic; 99 u_char mb_diagswitch[2]; /* run diagnostics/application */ 100 u_char mb_softerr; /* soft error code */ 101 u_char mb_harderr; /* hard error code */ 102 struct mpdl { /* download/config area */ 103 u_char mpdl_status; /* control/status */ 104 u_char mpdl_cmd; /* request type */ 105 u_short mpdl_count; /* size of parameter block */ 106 caddr_t mpdl_data; /* command parameters */ 107 } mb_dl; 108 u_char mb_hiport, mb_loport; /* high-low mpcc port numbers */ 109 u_char mb_unit; /* mpcc unit number */ 110 u_char mb_hndshk; /* handshaking timer */ 111 caddr_t mb_imokclk; /* handshaking clock */ 112 u_char mb_nointcnt; /* no interrupt from handshake */ 113 u_char mb_mpintcnt; /* # outstanding interupts to MPCC */ 114 short mb_unused; 115 caddr_t mb_mpintclk; /* MPCC interrupt clock */ 116 struct his mb_hostint; /* To Talk with Host */ 117 u_char mb_proto[MPMAXPORT]; /* per-port protocols */ 118 u_char mb_intr[MPMAXPORT]; /* per-port host->mpcc int flags */ 119 struct mpport { /* per-port structure */ 120 u_short mp_proto; /* protocol of port */ 121 u_char mp_on; /* Next available entry on Host */ 122 u_char mp_off; /* Next expected 'DONE' entry on Host */ 123 struct mpevent mp_recvq[MPINSET]; /* queue of events to host */ 124 struct mpevent mp_sendq[MPOUTSET];/* queue of events to mpcc */ 125 u_char mp_nextrcv; /* next expected 'DONE' entry on Host */ 126 u_char mp_flags; /* host flags */ 127 short mp_unused; 128 caddr_t mp_data; /* pointer to data for port */ 129 } mb_port[MPMAXPORT]; 130 }; 131 132 /* status defines for mblok.status */ 133 #define MP_DLPEND 1 134 #define MP_DLOPEN 2 135 #define MP_DLDONE 3 136 #define MP_OPCLOSE 4 137 #define MP_OPOPEN 5 138 #define MP_DLTIME 6 139 #define MP_DLERROR (-1) 140 141 /* hard error status values loaded into mblock.herr */ 142 #define NOHERR 0 /* no error */ 143 #define MPBUSERR 1 /* bus error */ 144 #define ADDRERR 2 /* address error */ 145 #define UNDECC 3 /* undefined ecc interrupt */ 146 #define UNDINT 4 /* undefined interrupt */ 147 #define PWRFL 5 /* power fail occurred */ 148 #define NOXENTRY 6 /* xdone was enterred w/o xmit entry on queue */ 149 #define TWOFTMRS 7 /* tried to start two fast timers on one port */ 150 #define INTQFULL 8 /* interupt queue full */ 151 #define INTQERR 9 /* interupt queue ack error */ 152 #define CBPERR 10 /* uncorrectable DMA parity error */ 153 #define ACPDEAD 11 /* acap has died */ 154 /* additional panic codes not listed */ 155 156 /* soft error status values loaded into mblock.serr */ 157 #define NOSERR 0 /* no error */ 158 #define DMAPERR 1 /* dma parity error */ 159 #define ECCERR 2 /* local memory ecc error */ 160 161 /* Defines for flags */ 162 #define MP_PROGRESS 1 /* Open or Close is in progress */ 163 #define MP_PORTUP 2 /* link is up for port */ 164 #define MP_REMBSY 4 /* remote station busy */ 165 166 /* 167 * Asynchronous Terminal Protocol Definitions. 168 */ 169 #define A_RCVTIM 2 /* default max tix for receive event (~20ms) */ 170 #define ACPTMR 300 /* approx. 5 secs to wait for acap */ 171 #define A_MAXEVTP 3 /* maximum # of L1 or Host Events to */ 172 /* process per port at one time */ 173 #define A_MAXRCV 128 /* max # of chars in rcv event - enough */ 174 /* to hold 20ms of chars at 19.2KB */ 175 #define A_NUMRCV 32 /* number of rcv buffers per port */ 176 #define A_NUMXMT 2 /* max number of concurrent xmits/port */ 177 #define A_NUMEVT 32 /* number of evt bufs for status evts */ 178 /* and L2 to L1 transmit evts */ 179 #define WR5 5 /* SCC Write Reg 5 */ 180 #define TXENBL 0x08 /* mask to enable transmitter in WR 5 */ 181 #define RTSON 0x02 /* mask to turn on RTS in wreg 5 */ 182 #define CHR5MSK 0x1F /* mask for 5-bit transmit data */ 183 184 /* 185 * macro to adjust a circular buffer ptr 186 * x = pointer or index 187 * sz = size of circular buffer 188 */ 189 #define adjptr(x,sz) ((x) = ((++(x) == (sz)) ? 0 : (x))) 190 #define adjptrbk(x,sz) ((x) = ((x) == 0) ? (sz) : --(x)) 191 192 /* 193 * Events from ASYNC Level 1 to Level 2 194 */ 195 #define RCVDTA 10 /* normal receive data available */ 196 #define PARERR 11 /* receive data with parity error */ 197 #define OVRNERR 12 /* receive data with overrun error */ 198 #define OVFERR 13 /* receive data with overflow error */ 199 #define FRAMERR 14 /* receive data with framing error */ 200 #define ACKXMT 15 /* successful completion of transmit */ 201 #define NORBUF 16 /* No Receive Buffers available */ 202 #define NOEBUF 17 /* No Event Buffers available */ 203 #define BRKASRT 18 /* Break condition detected */ 204 205 /* defines for error conditions */ 206 #define A_OK 0 /* No Errors */ 207 #define A_INVEVT 1 /* Invalid Event Error */ 208 #define A_IOCERR 2 /* Error while configuring port */ 209 #define A_SIZERR 3 /* Error in count of data chars to xmt */ 210 #define A_NXBERR 4 /* Transmit Incomplete due to lack of bufs */ 211 212 /* 213 * Modem control signal control structure. 214 */ 215 struct mdmctl { 216 u_char mc_rngdsr; /* ring or dsr */ 217 u_char mc_rts; /* request to send */ 218 u_char mc_rate; 219 u_char mc_dcd; /* data carrier detect */ 220 u_char mc_sectx; /* secondary transmit */ 221 u_char mc_cts; /* clear to send */ 222 u_char mc_secrx; /* secondary receive */ 223 u_char mc_dtr; /* data terminal ready */ 224 }; 225 226 /* defines for modem control lines */ 227 #define ASSERT 1 /* line asserted */ 228 #define DROP 2 /* line dropped */ 229 #define AUTO 3 /* auto mode enabled, rts only */ 230 231 /* 232 * Async parameter structure. 233 */ 234 struct asyncparam { 235 u_char ap_xon, ap_xoff; /* xon-xoff characters */ 236 u_char ap_xena; /* xon/xoff enabled */ 237 u_char ap_xany; /* any received char enables xmitter */ 238 struct mdmctl ap_modem; /* port modem control lines */ 239 struct mdmctl ap_intena; /* modem signals which generate */ 240 /* status change events */ 241 u_char ap_data; /* number of data bits */ 242 u_char ap_stop; /* number of stop bits */ 243 u_char ap_baud; /* baud rate */ 244 u_char ap_parity; /* even/odd/no parity */ 245 u_char ap_loop; /* enable for local loopback */ 246 u_char ap_rtimer; /* receive timer value (msec) */ 247 short ap_fill; /* round to longword */ 248 }; 249 250 /* enable/disable signal codes */ 251 #define MPA_ENA 1 /* condition enabled */ 252 #define MPA_DIS 2 /* condition disabled */ 253 254 /* defines for ap_data */ 255 #define MPCHAR_5 0 /* 5 bits per character */ 256 #define MPCHAR_6 2 /* 6 bits per character */ 257 #define MPCHAR_7 1 /* 7 bits per character */ 258 #define MPCHAR_8 3 /* 8 bits per character */ 259 260 /* defines for ap_stop */ 261 #define MPSTOP_1 1 /* 1 stop bit per character */ 262 #define MPSTOP_1_5 2 /* 1 1/2 stop bits per character */ 263 #define MPSTOP_2 3 /* 2 stop bits per character */ 264 265 /* defines for ap_baud */ 266 #define MODEM 0 267 #define M0 0 /* baud rate = 0 */ 268 #define M50 1 /* baud rate = 50 */ 269 #define M75 2 /* baud rate = 75 */ 270 #define M110 3 /* baud rate = 110 */ 271 #define M134_5 4 /* baud rate = 134.5 */ 272 #define M150 5 /* baud rate = 150 */ 273 #define M200 6 /* baud rate = 200 */ 274 #define M300 7 /* baud rate = 300 */ 275 #define M600 8 /* baud rate = 600 */ 276 #define M1200 9 /* baud rate = 1200 */ 277 #define M1800 10 /* baud rate = 1800 */ 278 #define M2400 11 /* baud rate = 2400 */ 279 #define M4800 12 /* baud rate = 4800 */ 280 #define M9600 13 /* baud rate = 9600 */ 281 #define MEXTA 14 /* baud rate = Ext A */ 282 #define MEXTB 15 /* baud rate = Ext B */ 283 #define M2000 16 /* baud rate = 2000 */ 284 #define M3600 17 /* baud rate = 3600 */ 285 #define M7200 18 /* baud rate = 7200 */ 286 #define M19200 19 /* baud rate = 19,200 */ 287 #define M24000 20 /* baud rate = 24,000 */ 288 #define M28400 21 /* baud rate = 28,400 */ 289 #define M37800 22 /* baud rate = 37,800 */ 290 #define M40300 23 /* baud rate = 40,300 */ 291 #define M48000 24 /* baud rate = 48,000 */ 292 #define M52000 25 /* baud rate = 52,000 */ 293 #define M56800 26 /* baud rate = 56,800 */ 294 295 /* defines for ap_parity */ 296 #define MPPAR_NONE 0 /* no parity */ 297 #define MPPAR_ODD 1 /* odd parity */ 298 #define MPPAR_EVEN 3 /* even parity */ 299 300 /* possible flags for Host MP_IOCTL Events */ 301 #define A_CHGX 1 /* IOCTL is only chging xonxoff params */ 302 #define A_MDMCHG 2 /* change modem control lines */ 303 #define A_MDMGET 3 /* get current state of modem ctl lines */ 304 #define A_CHGL1P 4 /* IOCTL is changing changing L1 params */ 305 #define A_BRKON 5 /* set port break bit */ 306 #define A_BRKOFF 6 /* clear port break bit */ 307 #define A_CHGALL 7 /* IOCTL is changing xonxoff params, */ 308 /* pcnfg struct, & modem ctl structs */ 309 #define A_DISABX 8 /* disable port transmitter (ctl-s) */ 310 #define A_ENABLX 9 /* enable port transmitter (ctl-q) */ 311 312 /* possible flags for Host MP_WRITE Events */ 313 #define A_FLUSH 1 /* flush any queued transmit events */ 314 #define A_SSTOP 2 /* transmit a port stop (xoff) char */ 315 /* before sending rest of event xmts */ 316 #define A_SSTART 3 /* transmit a port start (xon) char */ 317 /* before sending rest of event xmts */ 318 319 /* possible flags for Outbound MP_READ Events */ 320 #define A_XOFF 1 /* transmitter stopped from by xoff char */ 321 322 /* Perpos flags for modem control fields */ 323 #define A_RNGDSR 00001 324 #define A_RTS 00002 325 #define A_RATE 00004 326 #define A_DCD 00010 327 #define A_SECTX 00020 328 #define A_CTS 00040 329 #define A_SECRX 00100 330 #define A_DTR 00200 331 332 /* error messages printed at console , board & port # filled in later */ 333 #define A_INVSTS "\n#### Invalid Status Event " 334 #define A_INVCMD "\n#### Invalid Event From the MPCC " 335 #define A_NORBUF "\n#### No More Available Receive Buffers " 336 #define A_NOEBUF "\n#### No More Available Event Buffers " 337 #define A_OVRN "\n#### Overrun Error Detected " 338 #define A_OVRF "\n#### Overflow Error Detected " 339 #define A_NOXBUF "\n#### No More Available Transmit Event Buffers " 340 #define A_XSIZE "\n#### Transmit Data Block Size Exceeds Event Data Buffer Size " 341 #define A_NOFREIN "\n#### No Available Inbound Entries to Send Close Event " 342 343 #define DCDASRT 100 /* data carrier detect asserted */ 344 #define DTRASRT 101 /* data terminal ready asserted */ 345 #define RNGASRT 102 /* ring indicator asserted */ 346 #define DSRASRT 102 /* data set ready asserted */ 347 #define CTSASRT 103 /* clear to send asserted */ 348 #define RTSASRT 104 /* ready to send asserted */ 349 #define STXASRT 105 /* secondary transmit asserted */ 350 #define SRXASRT 106 /* secondary recieve asserted */ 351 #define RATEASRT 107 /* rate signal asserted */ 352 #define DCDDROP 108 /* data carrier detect dropped */ 353 #define DTRDROP 109 /* data terminal ready dropped */ 354 #define RNGDROP 110 /* ring indicator dropped */ 355 #define MPDSRDROP 110 /* data set ready dropped */ 356 #define CTSDROP 111 /* clear to send dropped */ 357 #define RTSDROP 112 /* ready to send dropped */ 358 #define STXDROP 113 /* secondary transmit dropped */ 359 #define SRXDROP 114 /* secondary recieve dropped */ 360 #define RATEDROP 115 /* rate signal dropped */ 361 362 /* Defines for filters and intena in portstat */ 363 #define MDM_OFF 0 364 #define MDM_ON 1 365 366 /* Modem on/off flags */ 367 #define MMOD_OFF 0 368 #define MMOD_ON 1 369 370 /* defintions for DL interface */ 371 372 #define MPDLBUFSIZE 1024 373 374 375 /* mpdlioctl command defines */ 376 377 struct protports { 378 char protoport[MPMAXPORT]; 379 } ; 380 381 struct abdcf { 382 short xmtbsz; /* transmit buffer size - should */ 383 /* equal # of chars in a cblock */ 384 }; 385 386 struct bdcf { 387 char loadname[NMPPROTO+1]; 388 char protoports[MPMAXPORT]; 389 char fccstimer; /* powerfail timer */ 390 char fccsports; /* ports to affect */ 391 char fccssoc; /* ports which will 'switch on close' */ 392 }; 393 394 395 /* These ioctls are for the dlmpcc command */ 396 #define MPIOPORTMAP _IOW('m',1, struct protports) 397 #define MPIOHILO _IOW('m',3, short) 398 #define MPIOENDCODE _IO('m',4) 399 #define MPIOASYNCNF _IOW('m',7, struct abdcf) 400 #define MPIOENDDL _IO('m',10) 401 #define MPIOSTARTDL _IO('m',11) 402 #define MPIORESETBOARD _IO('m',12) 403 404 /* mpdlwrite opcode defines */ 405 406 #define MPDLCMD_NORMAL 1 407 408