Commit | Line | Data |
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5db86c85 MK |
1 | /* |
2 | * Copyright (c) 1988 Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms are permitted | |
6 | * provided that this notice is preserved and that due credit is given | |
7 | * to the University of California at Berkeley. The name of the University | |
8 | * may not be used to endorse or promote products derived from this | |
9 | * software without specific prior written permission. This software | |
10 | * is provided ``as is'' without express or implied warranty. | |
11 | * | |
e699d09f | 12 | * @(#)mp.c 7.1 (Berkeley) %G% |
5db86c85 | 13 | */ |
d55465de SL |
14 | |
15 | #include "mp.h" | |
16 | #if NMP > 0 | |
17 | /* | |
18 | * Multi Protocol Communications Controller (MPCC). | |
19 | * Asynchronous Terminal Protocol Support. | |
20 | */ | |
d55465de SL |
21 | #include "param.h" |
22 | #include "ioctl.h" | |
23 | #include "tty.h" | |
24 | #include "dir.h" | |
25 | #include "user.h" | |
26 | #include "map.h" | |
27 | #include "buf.h" | |
28 | #include "conf.h" | |
29 | #include "file.h" | |
30 | #include "uio.h" | |
31 | #include "errno.h" | |
32 | #include "syslog.h" | |
33 | #include "vmmac.h" | |
34 | #include "kernel.h" | |
35 | #include "clist.h" | |
36 | ||
5db86c85 MK |
37 | #include "../machine/pte.h" |
38 | #include "../machine/mtpr.h" | |
39 | ||
d55465de SL |
40 | #include "../tahoevba/vbavar.h" |
41 | #include "../tahoevba/mpreg.h" | |
42 | ||
43 | #define MPCHUNK 16 | |
44 | #define MPPORT(n) ((n) & 0xf) | |
45 | #define MPUNIT(n) ((n) >> 4) | |
46 | ||
47 | /* | |
48 | * Driver information for auto-configuration stuff. | |
49 | */ | |
50 | int mpprobe(), mpattach(), mpintr(); | |
51 | struct vba_device *mpinfo[NMP]; | |
52 | long mpstd[] = { 0 }; | |
53 | struct vba_driver mpdriver = | |
54 | { mpprobe, 0, mpattach, 0, mpstd, "mp", mpinfo }; | |
55 | ||
56 | int mpstart(); | |
57 | struct mpevent *mpparam(); | |
58 | struct mpevent *mp_getevent(); | |
59 | ||
60 | /* | |
61 | * The following structure is needed to deal with mpcc's convoluted | |
62 | * method for locating it's mblok structures (hold your stomach). | |
63 | * When an mpcc is reset at boot time it searches host memory | |
64 | * looking for a string that says ``ThIs Is MpCc''. The mpcc | |
65 | * then reads the structure to locate the pointer to it's mblok | |
66 | * structure (you can wretch now). | |
67 | */ | |
68 | struct mpbogus { | |
69 | char s[12]; /* `ThIs Is MpCc'' */ | |
70 | u_char status; | |
71 | u_char unused; | |
72 | u_short magic; | |
73 | struct mblok *mb; | |
74 | struct mblok *mbloks[NMP]; /* can support at most 16 mpcc's */ | |
75 | } mpbogus = { 'T','h','I','s',' ','I','s',' ','M','p','C','c' }; | |
76 | ||
77 | /* | |
78 | * Software state per unit. | |
79 | */ | |
80 | struct mpsoftc { | |
81 | u_int ms_ivec; /* interrupt vector */ | |
82 | u_int ms_softCAR; /* software carrier for async */ | |
83 | struct mblok *ms_mb; /* mpcc status area */ | |
84 | struct vb_buf ms_buf; /* vba resources for ms_mb */ | |
85 | struct hxmtl ms_hxl[MPMAXPORT];/* host transmit list */ | |
86 | struct asyncparam ms_async[MPMAXPORT][MPINSET];/* async structs */ | |
87 | char ms_cbuf[MPMAXPORT][MPOUTSET][CBSIZE];/* input character buffers */ | |
88 | } mp_softc[NMP]; | |
89 | ||
90 | struct tty mp_tty[NMP*MPCHUNK]; | |
91 | #ifndef lint | |
92 | int nmp = NMP*MPCHUNK; | |
93 | #endif | |
94 | ||
95 | int ttrstrt(); | |
96 | ||
97 | mpprobe(reg, vi) | |
98 | caddr_t reg; | |
99 | struct vba_device *vi; | |
100 | { | |
101 | register int br, cvec; | |
102 | register struct mpsoftc *ms; | |
103 | ||
104 | #ifdef lint | |
105 | br = 0; cvec = br; br = cvec; | |
106 | mpintr(0); | |
5db86c85 | 107 | mpdlintr(0); |
d55465de SL |
108 | #endif |
109 | if (badaddr(reg, 2)) | |
110 | return (0); | |
111 | ms = &mp_softc[vi->ui_unit]; | |
112 | /* | |
113 | * Allocate page tables and mblok | |
114 | * structure (mblok in non-cached memory). | |
115 | */ | |
116 | if (vbainit(&ms->ms_buf, sizeof (struct mblok), VB_32BIT) == 0) { | |
117 | printf("mp%d: vbainit failed\n", vi->ui_unit); | |
118 | return (0); | |
119 | } | |
120 | ms->ms_mb = (struct mblok *)ms->ms_buf.vb_rawbuf; | |
121 | ms->ms_ivec = MPINTRBASE + 2*vi->ui_unit; /* XXX */ | |
122 | br = 0x14, cvec = ms->ms_ivec; /* XXX */ | |
7c707d99 | 123 | return (sizeof (*reg)); |
d55465de SL |
124 | } |
125 | ||
126 | mpattach(vi) | |
127 | register struct vba_device *vi; | |
128 | { | |
129 | register struct mpsoftc *ms = &mp_softc[vi->ui_unit]; | |
130 | ||
131 | ms->ms_softCAR = vi->ui_flags; | |
132 | /* | |
133 | * Setup pointer to mblok, initialize bogus | |
134 | * status block used by mpcc to locate the pointer | |
135 | * and then poke the mpcc to get it to search host | |
136 | * memory to find mblok pointer. | |
137 | */ | |
138 | mpbogus.mbloks[vi->ui_unit] = (struct mblok *)ms->ms_buf.vb_physbuf; | |
139 | *(short *)vi->ui_addr = 0x100; /* magic */ | |
140 | } | |
141 | ||
142 | /* | |
143 | * Open an mpcc port. | |
144 | */ | |
5db86c85 | 145 | /* ARGSUSED */ |
d55465de SL |
146 | mpopen(dev, mode) |
147 | dev_t dev; | |
148 | { | |
149 | register struct tty *tp; | |
150 | register struct mpsoftc *ms; | |
151 | int error, s, port, unit, mpu; | |
152 | struct vba_device *vi; | |
153 | struct mpport *mp; | |
154 | struct mpevent *ev; | |
155 | ||
156 | unit = minor(dev); | |
157 | mpu = MPUNIT(unit); | |
158 | if (mpu >= NMP || (vi = mpinfo[mpu]) == 0 || vi->ui_alive == 0) | |
159 | return (ENXIO); | |
160 | tp = &mp_tty[unit]; | |
161 | if (tp->t_state & TS_XCLUDE && u.u_uid != 0) | |
162 | return (EBUSY); | |
163 | ms = &mp_softc[mpu]; | |
164 | port = MPPORT(unit); | |
165 | if (ms->ms_mb->mb_proto[port] != MPPROTO_ASYNC || | |
166 | ms->ms_mb->mb_status != MP_OPOPEN) | |
167 | return (ENXIO); | |
168 | mp = &ms->ms_mb->mb_port[port]; /* host mpcc struct */ | |
169 | s = spl8(); | |
170 | while (mp->mp_flags & MP_PROGRESS) | |
171 | sleep((caddr_t)&tp->t_canq, TTIPRI); | |
172 | while (tp->t_state & TS_WOPEN) | |
173 | sleep((caddr_t)&tp->t_canq, TTIPRI); | |
174 | if (tp->t_state & TS_ISOPEN) { | |
175 | splx(s); | |
176 | return (0); | |
177 | } | |
178 | tp->t_state |= TS_WOPEN; | |
179 | tp->t_addr = (caddr_t)ms; | |
180 | tp->t_oproc = mpstart; | |
181 | tp->t_dev = dev; | |
182 | ttychars(tp); | |
183 | if (tp->t_ispeed == 0) { | |
184 | tp->t_ispeed = B9600; | |
185 | tp->t_ospeed = B9600; | |
186 | tp->t_flags |= ODDP|EVENP|ECHO; | |
187 | } | |
188 | /* | |
189 | * Initialize port state: init MPCC interface | |
190 | * structures for port and setup modem control. | |
191 | */ | |
192 | mp->mp_proto = MPPROTO_ASYNC; /* XXX */ | |
193 | error = mpportinit(ms, mp, port); | |
194 | if (error) | |
195 | goto bad; | |
196 | ev = mpparam(unit); | |
197 | if (ev == 0) { | |
198 | error = ENOBUFS; | |
199 | goto bad; | |
200 | } | |
201 | mpcmd(ev, EVCMD_OPEN, 0, ms->ms_mb, port); | |
202 | while ((tp->t_state & TS_CARR_ON) == 0) | |
203 | sleep((caddr_t)&tp->t_rawq, TTIPRI); | |
204 | error = mpmodem(unit, MMOD_ON); | |
205 | if (error) | |
206 | goto bad; | |
207 | while ((tp->t_state & TS_CARR_ON) == 0) | |
208 | sleep((caddr_t)&tp->t_rawq, TTIPRI); | |
209 | error = (*linesw[tp->t_line].l_open)(dev,tp); | |
210 | done: | |
211 | splx(s); | |
212 | /* wakeup anyone waiting for open to complete */ | |
213 | wakeup((caddr_t)&tp->t_canq); | |
214 | ||
215 | return (error); | |
216 | bad: | |
217 | tp->t_state &= ~TS_WOPEN; | |
218 | goto done; | |
219 | } | |
220 | ||
221 | /* | |
222 | * Close an mpcc port. | |
223 | */ | |
5db86c85 MK |
224 | /* ARGSUSED */ |
225 | mpclose(dev, flag) | |
d55465de SL |
226 | dev_t dev; |
227 | { | |
228 | register struct tty *tp; | |
229 | register struct mpport *mp; | |
230 | register struct mpevent *ev; | |
231 | int s, port, unit, error; | |
232 | struct mblok *mb; | |
233 | ||
234 | unit = minor(dev); | |
235 | tp = &mp_tty[unit]; | |
236 | port = MPPORT(unit); | |
237 | mb = mp_softc[MPUNIT(unit)].ms_mb; | |
238 | mp = &mb->mb_port[port]; | |
239 | s = spl8(); | |
240 | if (mp->mp_flags & MP_PROGRESS) { /* close in progress */ | |
241 | if (mp->mp_flags & MP_REMBSY) { | |
242 | mp->mp_flags &= ~MP_REMBSY; | |
243 | splx(s); | |
244 | return (0); | |
245 | } | |
246 | while (mp->mp_flags & MP_PROGRESS) | |
247 | sleep((caddr_t)&tp->t_canq,TTIPRI); | |
248 | } | |
249 | error = 0; | |
250 | mp->mp_flags |= MP_PROGRESS; | |
251 | (*linesw[tp->t_line].l_close)(tp); | |
252 | if (tp->t_state & TS_HUPCLS || (tp->t_state & TS_ISOPEN) == 0) | |
253 | if (error = mpmodem(unit, MMOD_OFF)) { | |
254 | mp->mp_flags &= ~MP_PROGRESS; | |
255 | goto out; | |
256 | } | |
257 | while (tp->t_state & TS_FLUSH) /* ??? */ | |
258 | sleep((caddr_t)&tp->t_state, TTOPRI); /* ??? */ | |
259 | ttyclose(tp); | |
260 | ev = mp_getevent(mp, unit); | |
261 | if (ev == 0) { | |
262 | error = ENOBUFS; | |
263 | goto out; | |
264 | } | |
265 | mpcmd(ev, EVCMD_CLOSE, 0, mb, port); | |
266 | out: | |
267 | if (mp->mp_flags & MP_REMBSY) | |
268 | mpclean(mb, port); | |
269 | splx(s); | |
270 | return (error); | |
271 | } | |
272 | ||
273 | /* | |
274 | * Read from an mpcc port. | |
275 | */ | |
276 | mpread(dev, uio) | |
277 | dev_t dev; | |
278 | struct uio *uio; | |
279 | { | |
280 | struct tty *tp; | |
281 | ||
282 | tp = &mp_tty[minor(dev)]; | |
283 | return ((*linesw[tp->t_line].l_read)(tp, uio)); | |
284 | } | |
285 | ||
286 | /* | |
287 | * Write to an mpcc port. | |
288 | */ | |
289 | mpwrite(dev, uio) | |
290 | dev_t dev; | |
291 | struct uio *uio; | |
292 | { | |
293 | struct tty *tp; | |
294 | ||
295 | tp = &mp_tty[minor(dev)]; | |
296 | return ((*linesw[tp->t_line].l_write)(tp, uio)); | |
297 | } | |
298 | ||
299 | /* | |
300 | * Ioctl for a mpcc port | |
301 | */ | |
302 | mpioctl(dev, cmd, data, flag) | |
303 | dev_t dev; | |
304 | caddr_t data; | |
305 | { | |
306 | register struct tty *tp; | |
307 | register struct mpsoftc *ms; | |
308 | register struct mpevent *ev; | |
309 | register struct mpport *mp; | |
310 | int s, port, error, unit; | |
311 | struct mblok *mb; | |
312 | ||
313 | unit = minor(dev); | |
314 | tp = &mp_tty[unit]; | |
315 | ms = &mp_softc[MPUNIT(unit)]; | |
316 | mb = ms->ms_mb; | |
317 | error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag); | |
318 | if (error >= 0) | |
319 | return (error); | |
320 | error = ttioctl(tp, cmd, data, flag); | |
321 | if (error >= 0) { | |
322 | if (cmd == TIOCSETP || cmd == TIOCSETN || cmd == TIOCLBIS || | |
323 | cmd == TIOCLBIC || cmd == TIOCLSET) { | |
324 | ev = mpparam(unit); | |
325 | if (ev == 0) | |
326 | error = ENOBUFS; | |
327 | else | |
328 | mpcmd(ev, EVCMD_IOCTL, A_CHGALL, mb, | |
329 | MPPORT(unit)); | |
330 | } | |
331 | return (error); | |
332 | } | |
333 | switch (cmd) { | |
334 | case TIOCSBRK: /* send break */ | |
335 | case TIOCCBRK: /* clear break */ | |
336 | port = MPPORT(unit); | |
337 | mp = &mb->mb_port[port]; | |
338 | s = spl8(); | |
339 | ev = mp_getevent(mp, unit); | |
340 | if (ev) | |
341 | mpcmd(ev, EVCMD_IOCTL, | |
342 | (cmd == TIOCSBRK ? A_BRKON : A_BRKOFF), | |
343 | mb, port); | |
344 | else | |
345 | error = ENOBUFS; | |
346 | splx(s); | |
347 | break; | |
348 | case TIOCSDTR: /* set dtr control line */ | |
349 | break; | |
350 | case TIOCCDTR: /* clear dtr control line */ | |
351 | break; | |
352 | default: | |
353 | error = ENOTTY; | |
354 | break; | |
355 | } | |
356 | return (error); | |
357 | } | |
358 | ||
359 | struct mpevent * | |
360 | mpparam(unit) | |
361 | int unit; | |
362 | { | |
363 | register struct mpevent *ev; | |
364 | register struct mpport *mp; | |
365 | register struct tty *tp; | |
366 | struct mblok *mb; | |
367 | struct mpsoftc *ms; | |
368 | register struct asyncparam *asp; | |
369 | int port; | |
370 | ||
371 | ms = &mp_softc[MPUNIT(unit)]; | |
372 | mb = ms->ms_mb; | |
373 | port = MPPORT(unit); | |
374 | mp = &mb->mb_port[port]; | |
375 | ev = mp_getevent(mp, unit); /* XXX */ | |
376 | if (ev == 0) | |
377 | return (ev); | |
378 | tp = &mp_tty[unit]; | |
379 | /* YUCK */ | |
380 | asp = &ms->ms_async[port][mp->mp_on?mp->mp_on-1:MPINSET-1]; | |
381 | asp->ap_xon = tp->t_startc; | |
382 | asp->ap_xoff = tp->t_stopc; | |
2281df84 KB |
383 | asp->ap_xena = ((tp->t_flags & RAW) ? MPA_DIS : MPA_ENA); |
384 | asp->ap_xany = ((tp->t_flags & DECCTQ) ? MPA_DIS : MPA_ENA); | |
d55465de SL |
385 | #ifdef notnow |
386 | if (tp->t_flags & (RAW|LITOUT|PASS8)) { | |
387 | #endif | |
388 | asp->ap_data = MPCHAR_8; | |
389 | asp->ap_parity = MPPAR_NONE; | |
390 | #ifdef notnow | |
391 | } else { | |
392 | asp->ap_data = MPCHAR_7; | |
393 | if ((tp->t_flags & (EVENP|ODDP)) == ODDP) | |
394 | asp->ap_parity = MPPAR_ODD; | |
395 | else | |
396 | asp->ap_parity = MPPAR_EVEN; | |
397 | } | |
398 | #endif | |
399 | if (tp->t_ospeed == B110) | |
400 | asp->ap_stop = MPSTOP_2; | |
401 | else | |
402 | asp->ap_stop = MPSTOP_1; | |
403 | if (tp->t_ospeed == EXTA || tp->t_ospeed == EXTB) | |
404 | asp->ap_baud = M19200; | |
405 | else | |
406 | asp->ap_baud = tp->t_ospeed; | |
407 | asp->ap_loop = MPA_DIS; /* disable loopback */ | |
408 | asp->ap_rtimer = A_RCVTIM; /* default receive timer */ | |
409 | if (ms->ms_softCAR & (1<<port)) | |
410 | setm(&asp->ap_modem, A_DTR, ASSERT); | |
411 | else | |
412 | setm(&asp->ap_modem, A_DTR, AUTO); | |
413 | seti(&asp->ap_intena, A_DCD); | |
414 | return (ev); | |
415 | } | |
416 | ||
417 | mpstart(tp) | |
418 | register struct tty *tp; | |
419 | { | |
420 | register struct mpevent *ev; | |
421 | register struct mpport *mp; | |
422 | struct mblok *mb; | |
423 | struct mpsoftc *ms; | |
424 | int port, unit, xcnt, n, s, i; | |
425 | struct hxmtl *hxp; | |
426 | struct clist outq; | |
427 | ||
428 | s = spl8(); | |
429 | unit = minor(tp->t_dev); | |
430 | ms = &mp_softc[MPUNIT(unit)]; | |
431 | mb = ms->ms_mb; | |
432 | port = MPPORT(unit); | |
433 | mp = &mb->mb_port[port]; | |
434 | hxp = &ms->ms_hxl[port]; | |
435 | xcnt = 0; | |
436 | outq = tp->t_outq; | |
437 | for (i = 0; i < MPXMIT; i++) { | |
438 | if (tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP)) | |
439 | break; | |
440 | if (outq.c_cc <= TTLOWAT(tp)) { | |
441 | if (tp->t_state & TS_ASLEEP) { | |
442 | tp->t_state &= ~TS_ASLEEP; | |
443 | wakeup((caddr_t)&tp->t_outq); | |
444 | } | |
445 | if (tp->t_wsel) { | |
446 | selwakeup(tp->t_wsel, tp->t_state & TS_WCOLL); | |
447 | tp->t_wsel = 0; | |
448 | tp->t_state &= ~TS_WCOLL; | |
449 | } | |
450 | } | |
451 | if (outq.c_cc == 0) | |
452 | break; | |
453 | /* | |
454 | * If we're not currently busy outputting, | |
455 | * and there is data to be output, set up | |
456 | * port transmit structure to send to mpcc. | |
457 | */ | |
458 | if (tp->t_flags & (RAW|LITOUT)) | |
459 | n = ndqb(&outq, 0); | |
460 | else { | |
461 | n = ndqb(&outq, 0200); | |
462 | if (n == 0) { | |
463 | n = getc(&outq); | |
464 | timeout(ttrstrt, (caddr_t)tp, (n&0177)+6); | |
465 | tp->t_state |= TS_TIMEOUT; | |
466 | break; | |
467 | } | |
468 | } | |
5db86c85 | 469 | hxp->dblock[i] = (caddr_t)kvtophys(outq.c_cf); |
d55465de SL |
470 | hxp->size[i] = n; |
471 | xcnt++; /* count of xmts to send */ | |
472 | ndadvance(&outq, n); | |
473 | } | |
474 | /* | |
475 | * If data to send, poke mpcc. | |
476 | */ | |
477 | if (xcnt) { | |
478 | ev = mp_getevent(mp, unit); | |
479 | if (ev == 0) { | |
480 | tp->t_state &= ~(TS_BUSY|TS_TIMEOUT); | |
481 | } else { | |
482 | tp->t_state |= TS_BUSY; | |
483 | ev->ev_count = xcnt; | |
484 | mpcmd(ev, EVCMD_WRITE, 0, mb, MPPORT(unit)); | |
485 | } | |
486 | } | |
487 | splx(s); | |
488 | } | |
489 | ||
490 | /* | |
491 | * Advance cc bytes from q but don't free memory. | |
492 | */ | |
493 | ndadvance(q, cc) | |
494 | register struct clist *q; | |
495 | register cc; | |
496 | { | |
497 | register struct cblock *bp; | |
498 | char *end; | |
499 | int rem, s; | |
500 | ||
501 | s = spltty(); | |
502 | if (q->c_cc <= 0) | |
503 | goto out; | |
504 | while (cc>0 && q->c_cc) { | |
505 | bp = (struct cblock *)((int)q->c_cf & ~CROUND); | |
506 | if ((int)bp == (((int)q->c_cl-1) & ~CROUND)) { | |
507 | end = q->c_cl; | |
508 | } else { | |
509 | end = (char *)((int)bp + sizeof (struct cblock)); | |
510 | } | |
511 | rem = end - q->c_cf; | |
512 | if (cc >= rem) { | |
513 | cc -= rem; | |
514 | q->c_cc -= rem; | |
515 | q->c_cf = bp->c_next->c_info; | |
516 | } else { | |
517 | q->c_cc -= cc; | |
518 | q->c_cf += cc; | |
519 | break; | |
520 | } | |
521 | } | |
522 | if (q->c_cc <= 0) { | |
523 | q->c_cf = q->c_cl = NULL; | |
524 | q->c_cc = 0; | |
525 | } | |
526 | out: | |
527 | splx(s); | |
528 | } | |
529 | ||
530 | /* | |
531 | * Stop output on a line, e.g. for ^S/^Q or output flush. | |
532 | */ | |
5db86c85 | 533 | /* ARGSUSED */ |
d55465de SL |
534 | mpstop(tp, rw) |
535 | register struct tty *tp; | |
536 | int rw; | |
537 | { | |
5db86c85 | 538 | int s; |
d55465de SL |
539 | |
540 | s = spl8(); | |
541 | /* XXX: DISABLE TRANSMITTER */ | |
542 | if (tp->t_state & TS_BUSY) { | |
543 | if ((tp->t_state & TS_TTSTOP) == 0) | |
544 | tp->t_state |= TS_FLUSH; | |
545 | } | |
546 | splx(s); | |
547 | } | |
548 | ||
549 | /* | |
550 | * Initialize an async port's MPCC state. | |
551 | */ | |
552 | mpportinit(ms, mp, port) | |
553 | register struct mpsoftc *ms; | |
554 | register struct mpport *mp; | |
555 | int port; | |
556 | { | |
557 | register struct mpevent *ev; | |
558 | register int i; | |
559 | caddr_t ptr; | |
560 | ||
561 | mp->mp_on = mp->mp_off = 0; | |
562 | mp->mp_nextrcv = 0; | |
563 | mp->mp_flags = 0; | |
564 | ev = &mp->mp_recvq[0]; | |
565 | for (i = 0; ev < &mp->mp_recvq[MPINSET]; ev++, i++) { | |
566 | ev->ev_status = EVSTATUS_FREE; | |
567 | ev->ev_cmd = 0; | |
568 | ev->ev_opts = 0; | |
569 | ev->ev_error = 0; | |
570 | ev->ev_flags = 0; | |
571 | ev->ev_count = 0; | |
5db86c85 MK |
572 | ev->ev_un.hxl = (struct hxmtl *) kvtophys(&ms->ms_hxl[port]); |
573 | ev->ev_params = (caddr_t) kvtophys(&ms->ms_async[port][i]); | |
d55465de SL |
574 | } |
575 | ev = &mp->mp_sendq[0]; | |
576 | for (i = 0; ev < &mp->mp_sendq[MPOUTSET]; ev++, i++) { | |
577 | /* init so that L2 can't send any events */ | |
578 | /* to host until open has completed */ | |
579 | ev->ev_status = EVSTATUS_FREE; | |
580 | ev->ev_cmd = 0; | |
581 | ev->ev_error = 0; | |
582 | ev->ev_flags = 0; | |
583 | ev->ev_count = 0; | |
584 | ptr = (caddr_t) &ms->ms_cbuf[port][i][0]; | |
5db86c85 MK |
585 | ev->ev_un.rcvblk = (u_char *)kvtophys(ptr); |
586 | ev->ev_params = (caddr_t) kvtophys(ptr); | |
d55465de SL |
587 | } |
588 | return (0); | |
589 | } | |
590 | ||
591 | /* | |
592 | * Send an event to an mpcc. | |
593 | */ | |
594 | mpcmd(ev, cmd, flags, mb, port) | |
595 | register struct mpevent *ev; | |
596 | struct mblok *mb; | |
597 | { | |
598 | int s; | |
599 | ||
600 | s = spl8(); | |
601 | /* move host values to inbound entry */ | |
602 | ev->ev_cmd = cmd; | |
603 | ev->ev_opts = flags; | |
604 | /* show event ready for mpcc */ | |
605 | ev->ev_status = EVSTATUS_GO; | |
606 | mpintmpcc(mb, port); | |
607 | splx(s); | |
608 | } | |
609 | ||
610 | /* | |
611 | * Return the next available event entry for the indicated port. | |
612 | */ | |
613 | struct mpevent * | |
614 | mp_getevent(mp, unit) | |
615 | register struct mpport *mp; | |
616 | int unit; | |
617 | { | |
618 | register struct mpevent *ev; | |
619 | int i, s; | |
620 | ||
621 | s = spl8(); | |
622 | ev = &mp->mp_recvq[mp->mp_on]; | |
623 | if (ev->ev_status != EVSTATUS_FREE) | |
624 | goto bad; | |
625 | /* | |
626 | * If not a close request, verify one extra | |
627 | * event is available for closing the port. | |
628 | */ | |
5db86c85 | 629 | if ((mp->mp_flags & MP_PROGRESS) == 0) { |
d55465de SL |
630 | if ((i = mp->mp_on + 1) >= MPINSET) |
631 | i = 0; | |
632 | if (mp->mp_recvq[i].ev_status != EVSTATUS_FREE) | |
633 | goto bad; | |
634 | } | |
635 | /* init inbound fields marking this entry as busy */ | |
636 | ev->ev_error = 0; | |
637 | ev->ev_flags = 0; | |
638 | ev->ev_count = 0; | |
639 | ev->ev_status = EVSTATUS_BUSY; | |
640 | /* adjust pointer to next available inbound entry */ | |
641 | adjptr(mp->mp_on, MPINSET); | |
642 | splx(s); | |
643 | return (ev); | |
644 | bad: | |
645 | splx(s); | |
646 | log(LOG_ERR, "mp%d: port%d, out of events", MPUNIT(unit), MPPORT(unit)); | |
647 | return ((struct mpevent *)0); | |
648 | } | |
649 | ||
650 | mpmodem(unit, flag) | |
651 | int unit, flag; | |
652 | { | |
653 | struct mpsoftc *ms = &mp_softc[MPUNIT(unit)]; | |
654 | int port = MPPORT(unit); | |
655 | register struct mpport *mp; | |
656 | register struct mpevent *ev; | |
657 | register struct asyncparam *asp; | |
658 | ||
659 | mp = &ms->ms_mb->mb_port[port]; | |
660 | ev = mp_getevent(mp, unit); | |
661 | if (ev == 0) | |
662 | return (ENOBUFS); | |
663 | /* YUCK */ | |
664 | asp = &ms->ms_async[port][mp->mp_on?mp->mp_on-1:MPINSET-1]; | |
665 | if (flag == MMOD_ON) { | |
666 | if (ms->ms_softCAR & (1 << port)) | |
667 | setm(&asp->ap_modem, A_DTR, ASSERT); | |
668 | else | |
669 | setm(&asp->ap_modem, A_DTR, AUTO); | |
670 | seti(&asp->ap_intena, A_DCD); | |
671 | } else { | |
672 | setm(&asp->ap_modem, 0, DROP); | |
673 | seti(&asp->ap_intena, 0); | |
674 | } | |
675 | mpcmd(ev, EVCMD_IOCTL, A_MDMCHG, ms->ms_mb, port); | |
676 | return (0); | |
677 | } | |
678 | ||
679 | /* | |
680 | * Set up the modem control structure according to mask. | |
681 | * Each set bit in the mask means assert the corresponding | |
682 | * modem control line, otherwise, it will be dropped. | |
683 | * RTS is special since it can either be asserted, dropped | |
684 | * or put in auto mode for auto modem control. | |
685 | */ | |
686 | static | |
687 | setm(mc, mask, rts) | |
688 | register struct mdmctl *mc; | |
689 | register int mask; | |
690 | { | |
691 | ||
692 | mc->mc_rngdsr = (mask & A_RNGDSR) ? ASSERT : DROP; | |
693 | mc->mc_rate = (mask & A_RATE) ? ASSERT : DROP; | |
694 | mc->mc_dcd = (mask & A_DCD) ? ASSERT : DROP; | |
695 | mc->mc_sectx = (mask & A_SECTX) ? ASSERT : DROP; | |
696 | mc->mc_cts = (mask & A_CTS) ? ASSERT : DROP; | |
697 | mc->mc_secrx = (mask & A_SECRX) ? ASSERT : DROP; | |
698 | mc->mc_dtr = (mask & A_DTR) ? ASSERT : DROP; | |
699 | mc->mc_rts = rts; | |
700 | } | |
701 | ||
702 | /* | |
703 | * Set up the status change enable field from mask. | |
704 | * When a signal is enabled in this structure and | |
705 | * and a change in state on a corresponding modem | |
706 | * control line occurs, a status change event will | |
707 | * be delivered to the host. | |
708 | */ | |
709 | static | |
710 | seti(mc, mask) | |
711 | register struct mdmctl *mc; | |
712 | register int mask; | |
713 | { | |
714 | ||
715 | mc->mc_rngdsr = (mask & A_RNGDSR) ? MDM_ON : MDM_OFF; | |
716 | mc->mc_rate = (mask & A_RATE) ? MDM_ON : MDM_OFF; | |
717 | mc->mc_dcd = (mask & A_DCD) ? MDM_ON : MDM_OFF; | |
718 | mc->mc_sectx = (mask & A_SECTX) ? MDM_ON : MDM_OFF; | |
719 | mc->mc_cts = (mask & A_CTS) ? MDM_ON : MDM_OFF; | |
720 | mc->mc_secrx = (mask & A_SECRX) ? MDM_ON : MDM_OFF; | |
721 | mc->mc_dtr = (mask & A_DTR) ? MDM_ON : MDM_OFF; | |
722 | mc->mc_rts = (mask & A_RTS) ? MDM_ON : MDM_OFF; | |
723 | } | |
724 | ||
725 | mpcleanport(mb, port) | |
726 | struct mblok *mb; | |
727 | int port; | |
728 | { | |
729 | register struct mpport *mp; | |
730 | register struct tty *tp; | |
731 | ||
732 | mp = &mb->mb_port[port]; | |
733 | if (mp->mp_proto == MPPROTO_ASYNC) { | |
734 | mp->mp_flags = MP_REMBSY; | |
5db86c85 | 735 | /* signal loss of carrier and close */ |
d55465de | 736 | tp = &mp_tty[mb->mb_unit*MPCHUNK+port]; |
d55465de | 737 | ttyflush(tp, FREAD|FWRITE); |
5db86c85 MK |
738 | (void) (*linesw[tp->t_line].l_modem)(tp, 0); |
739 | (void) mpclose(tp->t_dev, 0); | |
d55465de SL |
740 | } |
741 | } | |
742 | ||
743 | mpclean(mb, port) | |
744 | register struct mblok *mb; | |
745 | int port; | |
746 | { | |
747 | register struct mpport *mp; | |
748 | register struct mpevent *ev; | |
749 | register int i; | |
5db86c85 | 750 | u_char list[2]; |
d55465de SL |
751 | int unit; |
752 | ||
753 | mp = &mb->mb_port[port]; | |
754 | unit = mb->mb_unit; | |
755 | for (i = mp->mp_off; i != mp->mp_on; i = (i+1 % MPINSET)) { | |
756 | ev = &mp->mp_recvq[i]; | |
757 | ev->ev_error = ENXIO; | |
758 | ev->ev_status = EVSTATUS_DONE; | |
759 | } | |
760 | list[0] = port, list[1] = MPPORT_EOL; | |
761 | mpxintr(unit, list); | |
762 | mprintr(unit, list); | |
763 | /* Clear async for port */ | |
764 | mp->mp_proto = MPPROTO_UNUSED; | |
765 | mp->mp_flags = 0; | |
766 | mp->mp_on = 0; | |
767 | mp->mp_off = 0; | |
768 | mp->mp_nextrcv = 0; | |
769 | ||
770 | mp_tty[unit*MPCHUNK + port].t_state = 0; | |
771 | for (ev = &mp->mp_sendq[0]; ev < &mp->mp_sendq[MPOUTSET]; ev++) { | |
772 | ev->ev_status = EVSTATUS_FREE; | |
773 | ev->ev_cmd = 0; | |
774 | ev->ev_error = 0; | |
775 | ev->ev_un.rcvblk = 0; | |
776 | ev->ev_params = 0; | |
777 | } | |
778 | for (ev = &mp->mp_recvq[0]; ev < &mp->mp_recvq[MPINSET]; ev++) { | |
779 | ev->ev_status = EVSTATUS_FREE; | |
780 | ev->ev_cmd = 0; | |
781 | ev->ev_error = 0; | |
782 | ev->ev_params = 0; | |
783 | } | |
784 | } | |
785 | ||
786 | /* | |
787 | * MPCC interrupt handler. | |
788 | */ | |
789 | mpintr(mpcc) | |
790 | int mpcc; | |
791 | { | |
792 | register struct mblok *mb; | |
793 | register struct his *his; | |
d55465de SL |
794 | |
795 | mb = mp_softc[mpcc].ms_mb; | |
796 | if (mb == 0) { | |
797 | printf("mp%d: stray interrupt\n", mpcc); | |
798 | return; | |
799 | } | |
800 | his = &mb->mb_hostint; | |
801 | his->semaphore &= ~MPSEMA_AVAILABLE; | |
802 | /* | |
803 | * Check for events to be processed. | |
804 | */ | |
805 | if (his->proto[MPPROTO_ASYNC].outbdone[0] != MPPORT_EOL) | |
806 | mprintr(mpcc, his->proto[MPPROTO_ASYNC].outbdone); | |
807 | if (his->proto[MPPROTO_ASYNC].inbdone[0] != MPPORT_EOL) | |
808 | mpxintr(mpcc, his->proto[MPPROTO_ASYNC].inbdone); | |
809 | if (mb->mb_harderr || mb->mb_softerr) | |
810 | mperror(mb, mpcc); | |
811 | his->semaphore |= MPSEMA_AVAILABLE; | |
812 | } | |
813 | ||
814 | /* | |
815 | * Handler for processing completion of transmitted events. | |
816 | */ | |
817 | mpxintr(unit, list) | |
5db86c85 | 818 | register u_char *list; |
d55465de SL |
819 | { |
820 | register struct mpport *mp; | |
821 | register struct mpevent *ev; | |
822 | register struct mblok *mb; | |
823 | register struct tty *tp; | |
824 | register struct asyncparam *ap; | |
825 | struct mpsoftc *ms; | |
826 | int port, i, j; | |
827 | ||
828 | ms = &mp_softc[unit]; | |
829 | mb = mp_softc[unit].ms_mb; | |
830 | for (j = 0; j < MPMAXPORT && ((port = *list++) != MPPORT_EOL); j++) { | |
831 | /* | |
832 | * Process each completed entry in the inbound queue. | |
833 | */ | |
834 | mp = &mb->mb_port[port]; | |
835 | tp = &mp_tty[unit*MPCHUNK + port]; | |
836 | #define nextevent(mp) &mp->mp_recvq[mp->mp_off] | |
837 | ev = nextevent(mp); | |
838 | for(; ev->ev_status & EVSTATUS_DONE; ev = nextevent(mp)) { | |
839 | /* YUCK */ | |
840 | ap = &ms->ms_async[port][mp->mp_off]; | |
5db86c85 | 841 | mppurge((caddr_t)ap, (int)sizeof (*ap)); |
d55465de SL |
842 | switch (ev->ev_cmd) { |
843 | case EVCMD_OPEN: | |
844 | /* | |
845 | * Open completion, start all reads and | |
846 | * assert modem status information. | |
847 | */ | |
848 | for (i = 0; i < MPOUTSET; i++) | |
849 | mp->mp_sendq[i].ev_status = EVSTATUS_GO; | |
850 | (*linesw[tp->t_line].l_modem) | |
851 | (tp, ap->ap_modem.mc_dcd == ASSERT); | |
852 | break; | |
853 | case EVCMD_CLOSE: | |
854 | /* | |
855 | * Close completion, flush all pending | |
856 | * transmissions, free resources, and | |
857 | * cleanup mpcc port state. | |
858 | */ | |
859 | for (i = 0; i < MPOUTSET; i++) { | |
860 | mp->mp_sendq[i].ev_status = | |
861 | EVSTATUS_FREE; | |
862 | mp->mp_sendq[i].ev_un.rcvblk = 0; | |
863 | mp->mp_sendq[i].ev_params = 0; | |
864 | } | |
865 | tp->t_state &= ~TS_CARR_ON; | |
866 | mp->mp_on = mp->mp_off = mp->mp_nextrcv = 0; | |
867 | mp->mp_flags &= ~MP_PROGRESS; | |
868 | mp->mp_proto = MPPROTO_UNUSED; | |
869 | wakeup((caddr_t)&tp->t_canq); /* ??? */ | |
870 | goto done; | |
871 | case EVCMD_IOCTL: | |
872 | /* | |
873 | * Nothing to do, just pitch. | |
874 | */ | |
875 | break; | |
876 | case EVCMD_WRITE: | |
877 | /* | |
878 | * Transmission completed, update tty | |
879 | * state and restart output. | |
880 | */ | |
881 | tp->t_state &= ~TS_BUSY; | |
882 | if (tp->t_state & TS_FLUSH) { | |
883 | tp->t_state &= ~TS_FLUSH; | |
884 | wakeup((caddr_t)&tp->t_state); | |
885 | } else { | |
5db86c85 | 886 | register int cc = 0, n; |
d55465de SL |
887 | struct hxmtl *hxp; |
888 | ||
889 | hxp = &ms->ms_hxl[port]; | |
5db86c85 MK |
890 | for(n = 0; n < ev->ev_count; n++) |
891 | cc += hxp->size[n]; | |
d55465de SL |
892 | ndflush(&tp->t_outq, cc); |
893 | } | |
894 | switch (ev->ev_error) { | |
895 | case A_SIZERR: /*# error in xmt data size */ | |
896 | mplog(unit, port, A_XSIZE, 0); | |
897 | break; | |
898 | case A_NXBERR: /*# no more xmt evt buffers */ | |
899 | mplog(unit, port, A_NOXBUF, 0); | |
900 | break; | |
901 | } | |
902 | mpstart(tp); | |
903 | break; | |
904 | default: | |
5db86c85 | 905 | mplog(unit, port, A_INVCMD, (int)ev->ev_cmd); |
d55465de SL |
906 | break; |
907 | } | |
908 | /* re-init all values in this entry */ | |
909 | ev->ev_cmd = 0; | |
910 | ev->ev_opts = 0; | |
911 | ev->ev_error = 0; | |
912 | ev->ev_flags = 0; | |
913 | ev->ev_count = 0; | |
914 | /* show this entry is available for use */ | |
915 | ev->ev_status = EVSTATUS_FREE; | |
916 | adjptr(mp->mp_off, MPINSET); | |
917 | #undef nextevent | |
918 | } | |
919 | done: | |
920 | ; | |
921 | } | |
922 | } | |
923 | ||
924 | /* | |
925 | * Handler for processing received events. | |
926 | */ | |
927 | mprintr(unit, list) | |
5db86c85 | 928 | u_char *list; |
d55465de SL |
929 | { |
930 | register struct tty *tp; | |
931 | register struct mpport *mp; | |
932 | register struct mpevent *ev; | |
933 | struct mblok *mb; | |
934 | register int cc; | |
935 | register char *cp; | |
936 | struct mpsoftc *ms; | |
937 | caddr_t ptr; | |
938 | char *rcverr; | |
939 | int port, i; | |
940 | ||
941 | ms = &mp_softc[unit]; | |
942 | mb = mp_softc[unit].ms_mb; | |
943 | for (i = 0; i < MPMAXPORT && (port = *list++) != MPPORT_EOL; i++) { | |
944 | tp = &mp_tty[unit*MPCHUNK + port]; | |
945 | mp = &mb->mb_port[port]; | |
946 | ev = &mp->mp_sendq[mp->mp_nextrcv]; | |
947 | while (ev->ev_status & EVSTATUS_DONE) { | |
948 | if (ev->ev_cmd != EVCMD_READ && | |
949 | ev->ev_cmd != EVCMD_STATUS) { | |
950 | mplog(unit, port, "unexpected command", | |
5db86c85 | 951 | (int)ev->ev_cmd); |
d55465de SL |
952 | goto next; |
953 | } | |
954 | if (ev->ev_cmd == EVCMD_STATUS) { | |
955 | /* | |
956 | * Status change, look for carrier changes. | |
957 | */ | |
958 | if (ev->ev_opts == DCDASRT || | |
959 | ev->ev_opts == DCDDROP) | |
960 | (*linesw[tp->t_line].l_modem) | |
961 | (tp, ev->ev_opts == DCDASRT); | |
962 | else | |
963 | mplog(unit, port, | |
964 | "unexpect status command", | |
5db86c85 | 965 | (int)ev->ev_opts); |
d55465de SL |
966 | goto next; |
967 | } | |
968 | /* | |
969 | * Process received data. | |
970 | */ | |
971 | if ((tp->t_state & (TS_ISOPEN|TS_WOPEN)) == 0) | |
972 | goto next; | |
973 | cc = ev->ev_count; | |
974 | if (cc == 0) | |
975 | goto next; | |
976 | /* YUCK */ | |
977 | cp = ms->ms_cbuf[port][mp->mp_nextrcv]; | |
978 | mppurge(cp, CBSIZE); | |
979 | while (cc-- > 0) { | |
980 | /* | |
981 | * A null character is inserted, potentially | |
982 | * when a break or framing error occurs. If | |
983 | * we're not in raw mode, substitute the | |
984 | * interrupt character. | |
985 | */ | |
986 | if (*cp == 0 && | |
987 | (ev->ev_error == BRKASRT || | |
988 | ev->ev_error == FRAMERR)) | |
989 | if ((tp->t_flags&RAW) == 0) | |
990 | *cp = tp->t_intrc; | |
991 | (*linesw[tp->t_line].l_rint)(*cp++, tp); | |
992 | } | |
993 | /* setup for next read */ | |
994 | ptr = (caddr_t)&mp_softc[unit].ms_cbuf[port][mp->mp_nextrcv][0]; | |
5db86c85 MK |
995 | ev->ev_un.rcvblk = (u_char *)kvtophys(ptr); |
996 | ev->ev_params = (caddr_t) kvtophys(ptr); | |
86b469ee KB |
997 | switch(ev->ev_error) { |
998 | case RCVDTA: /* Normal (good) rcv data */ | |
999 | /* do not report the following */ | |
1000 | /* they are "normal" errors */ | |
d55465de | 1001 | case FRAMERR: /* frame error */ |
86b469ee KB |
1002 | case BRKASRT: /* Break condition */ |
1003 | case PARERR: /* parity error */ | |
1004 | rcverr = (char *)0; | |
d55465de SL |
1005 | break; |
1006 | case OVRNERR: /* Overrun error */ | |
1007 | rcverr = "overrun error"; | |
1008 | break; | |
1009 | case OVFERR: /* Overflow error */ | |
1010 | rcverr = "overflow error"; | |
1011 | break; | |
1012 | default: | |
1013 | rcverr = "undefined rcv error"; | |
1014 | } | |
1015 | if (rcverr != (char *)0) | |
5db86c85 | 1016 | mplog(unit, port, rcverr, (int)ev->ev_error); |
d55465de SL |
1017 | next: |
1018 | ev->ev_cmd = 0; | |
1019 | ev->ev_opts = 0; | |
1020 | ev->ev_error = 0; | |
1021 | ev->ev_flags = 0; | |
1022 | ev->ev_status = EVSTATUS_GO; /* start next read */ | |
1023 | adjptr(mp->mp_nextrcv, MPOUTSET); | |
1024 | ev = &mp->mp_sendq[mp->mp_nextrcv]; | |
1025 | } | |
1026 | } | |
1027 | } | |
1028 | ||
1029 | /* | |
1030 | * Log an mpcc diagnostic. | |
1031 | */ | |
1032 | mplog(unit, port, cp, flags) | |
1033 | char *cp; | |
1034 | { | |
1035 | ||
1036 | if (flags) | |
1037 | log(LOG_ERR, "mp%d: port%d, %s (%d)\n", | |
1038 | unit, port, cp, flags); | |
1039 | else | |
1040 | log(LOG_ERR, "mp%d: port%d, %s\n", unit, port, cp); | |
1041 | } | |
1042 | ||
1043 | int MPHOSTINT = 1; | |
1044 | ||
1045 | mptimeint(mb) | |
1046 | register struct mblok *mb; | |
1047 | { | |
1048 | ||
1049 | mb->mb_mpintcnt = 0; | |
1050 | mb->mb_mpintclk = (caddr_t)0; | |
1051 | *(u_short *)mpinfo[mb->mb_unit]->ui_addr = 2; | |
1052 | } | |
1053 | ||
1054 | /* | |
1055 | * Interupt mpcc | |
1056 | */ | |
1057 | mpintmpcc(mb, port) | |
1058 | register struct mblok *mb; | |
d55465de SL |
1059 | { |
1060 | ||
1061 | mb->mb_intr[port] |= MPSEMA_WORK; | |
1062 | if (++mb->mb_mpintcnt == MPHOSTINT) { | |
1063 | mb->mb_mpintcnt = 0; | |
1064 | *(u_short *)mpinfo[mb->mb_unit]->ui_addr = 2; | |
1065 | if (mb->mb_mpintclk) { | |
5db86c85 | 1066 | untimeout(mptimeint, (caddr_t)mb); |
d55465de SL |
1067 | mb->mb_mpintclk = 0; |
1068 | } | |
1069 | } else { | |
1070 | if (mb->mb_mpintclk == 0) { | |
5db86c85 | 1071 | timeout(mptimeint, (caddr_t)mb, 4); |
d55465de SL |
1072 | mb->mb_mpintclk = (caddr_t)1; |
1073 | } | |
1074 | } | |
1075 | } | |
1076 | ||
1077 | static char *mpherrmsg[] = { | |
1078 | "", | |
1079 | "Bus error", /* MPBUSERR */ | |
1080 | "Address error", /* ADDRERR */ | |
1081 | "Undefined ecc interrupt", /* UNDECC */ | |
1082 | "Undefined interrupt", /* UNDINT */ | |
1083 | "Power failure occurred", /* PWRFL */ | |
1084 | "Stray transmit done interrupt", /* NOXENTRY */ | |
1085 | "Two fast timers on one port", /* TWOFTMRS */ | |
1086 | "Interrupt queue full", /* INTQFULL */ | |
1087 | "Interrupt queue ack error", /* INTQERR */ | |
1088 | "Uncorrectable dma parity error", /* CBPERR */ | |
1089 | "32 port ACAP failed power up", /* ACPDEAD */ | |
1090 | }; | |
1091 | #define NHERRS (sizeof (mpherrmsg) / sizeof (mpherrmsg[0])) | |
1092 | ||
1093 | mperror(mb, unit) | |
1094 | register struct mblok *mb; | |
1095 | int unit; | |
1096 | { | |
1097 | register char *cp; | |
1098 | register int i; | |
1099 | ||
1100 | if (mb->mb_softerr) { | |
1101 | switch (mb->mb_softerr) { | |
1102 | case DMAPERR: /* dma parity error */ | |
1103 | cp = "dma parity error"; | |
1104 | break; | |
1105 | case ECCERR: | |
1106 | cp = "local memory ecc error"; | |
1107 | break; | |
1108 | default: | |
1109 | cp = "unknown error"; | |
1110 | break; | |
1111 | } | |
1112 | log(LOG_ERR, "mp%d: soft error, %s", unit, cp); | |
1113 | mb->mb_softerr = 0; | |
1114 | } | |
1115 | if (mb->mb_harderr) { | |
1116 | if (mb->mb_harderr < NHERRS) | |
1117 | cp = mpherrmsg[mb->mb_harderr]; | |
1118 | else | |
1119 | cp = "unknown error"; | |
1120 | log(LOG_ERR, "mp%d: hard error, %s", unit, cp); | |
1121 | if (mb->mb_status == MP_OPOPEN) { | |
1122 | for (i = 0; i < MPMAXPORT; i++) { | |
1123 | mpcleanport(mb, i); | |
1124 | mb->mb_proto[i] = MPPROTO_UNUSED; | |
1125 | } | |
1126 | } | |
1127 | mb->mb_harderr = 0; | |
1128 | mb->mb_status = 0; | |
1129 | } | |
1130 | } | |
1131 | ||
1132 | mppurge(addr, cc) | |
1133 | register caddr_t addr; | |
1134 | register int cc; | |
1135 | { | |
1136 | ||
1137 | for (; cc >= 0; addr += NBPG, cc -= NBPG) | |
1138 | mtpr(P1DC, addr); | |
1139 | } | |
1140 | ||
1141 | /* | |
1142 | * MPCC Download Pseudo-device. | |
1143 | */ | |
1144 | char mpdlbuf[MPDLBUFSIZE]; | |
1145 | int mpdlbusy; /* interlock on download buffer */ | |
1146 | int mpdlerr; | |
1147 | ||
1148 | mpdlopen(dev) | |
1149 | dev_t dev; | |
1150 | { | |
1151 | int unit, mpu; | |
1152 | struct vba_device *vi; | |
1153 | ||
1154 | unit = minor(dev); | |
1155 | mpu = MPUNIT(unit); | |
1156 | if (mpu >= NMP || (vi = mpinfo[mpu]) == 0 || vi->ui_alive == 0) | |
1157 | return (ENODEV); | |
1158 | return (0); | |
1159 | } | |
1160 | ||
1161 | mpdlwrite(dev, uio) | |
1162 | dev_t dev; | |
1163 | struct uio *uio; | |
1164 | { | |
1165 | register struct mpsoftc *ms = &mp_softc[MPUNIT(minor(dev))]; | |
1166 | register struct mpdl *dl; | |
1167 | int error; | |
1168 | ||
1169 | if (ms->ms_mb == 0 || ms->ms_mb->mb_status != MP_DLOPEN) | |
1170 | return (EFAULT); | |
1171 | dl = &ms->ms_mb->mb_dl; | |
1172 | dl->mpdl_count = uio->uio_iov->iov_len; | |
5db86c85 MK |
1173 | dl->mpdl_data = (caddr_t) kvtophys(mpdlbuf); |
1174 | if (error = uiomove(mpdlbuf, (int)dl->mpdl_count, UIO_WRITE, uio)) | |
d55465de SL |
1175 | return (error); |
1176 | uio->uio_resid -= dl->mpdl_count; /* set up return from write */ | |
1177 | dl->mpdl_cmd = MPDLCMD_NORMAL; | |
1178 | error = mpdlwait(dl); | |
1179 | return (error); | |
1180 | } | |
1181 | ||
1182 | mpdlclose(dev) | |
1183 | dev_t dev; | |
1184 | { | |
1185 | register struct mblok *mb = mp_softc[MPUNIT(minor(dev))].ms_mb; | |
d55465de SL |
1186 | |
1187 | if (mb == 0 || mb->mb_status != MP_DLDONE) { | |
1188 | mpbogus.status = 0; | |
1189 | if (mpbogus.mb == mpbogus.mbloks[MPUNIT(minor(dev))]) | |
1190 | mpdlbusy--; | |
1191 | return (EEXIST); | |
1192 | } | |
1193 | mb->mb_status = MP_OPOPEN; | |
1194 | mpbogus.status = 0; | |
1195 | /* set to dead, for board handshake */ | |
1196 | mb->mb_hostint.imok = MPIMOK_DEAD; | |
1197 | return (0); | |
1198 | } | |
1199 | ||
1200 | int mpdltimeout(); | |
1201 | ||
5db86c85 | 1202 | /* ARGSUSED */ |
d55465de SL |
1203 | mpdlioctl(dev, cmd, data, flag) |
1204 | dev_t dev; | |
1205 | caddr_t data; | |
1206 | { | |
1207 | register struct mblok *mb; | |
1208 | register struct mpdl *dl; | |
5db86c85 | 1209 | int unit, error, s, i; |
d55465de SL |
1210 | |
1211 | mb = mp_softc[unit=MPUNIT(minor(dev))].ms_mb; | |
1212 | if (mb == 0) | |
1213 | return (EEXIST); | |
1214 | dl = &mb->mb_dl; | |
1215 | error = 0; | |
1216 | switch (cmd) { | |
1217 | case MPIOPORTMAP: | |
1218 | bcopy(data, (caddr_t)mb->mb_proto, sizeof (mb->mb_proto)); | |
1219 | break; | |
1220 | case MPIOHILO: | |
1221 | bcopy(data, (caddr_t)&mb->mb_hiport, 2*(sizeof(mb->mb_hiport))); | |
1222 | break; | |
1223 | case MPIOENDDL: | |
1224 | dl->mpdl_count = 0; | |
1225 | dl->mpdl_data = 0; | |
1226 | dl->mpdl_cmd = MPIOENDDL&IOCPARM_MASK; | |
1227 | error = mpdlwait(dl); | |
1228 | mpccinit(unit); | |
1229 | mb->mb_status = MP_DLDONE; | |
1230 | mpdlbusy--; | |
1231 | break; | |
1232 | case MPIOENDCODE: | |
1233 | dl->mpdl_count = 0; | |
1234 | dl->mpdl_data = 0; | |
1235 | dl->mpdl_cmd = MPIOENDCODE&IOCPARM_MASK; | |
1236 | error = mpdlwait(dl); | |
1237 | break; | |
1238 | case MPIOASYNCNF: | |
1239 | bcopy(data, mpdlbuf, sizeof (struct abdcf)); | |
5db86c85 | 1240 | dl->mpdl_data = (caddr_t) kvtophys(mpdlbuf); |
d55465de SL |
1241 | dl->mpdl_count = sizeof (struct abdcf); |
1242 | dl->mpdl_cmd = MPIOASYNCNF&IOCPARM_MASK; | |
1243 | error = mpdlwait(dl); | |
1244 | break; | |
1245 | case MPIOSTARTDL: | |
1246 | while (mpdlbusy) | |
1247 | sleep((caddr_t)&mpdlbusy, PZERO+1); | |
1248 | mpdlbusy++; | |
1249 | /* initialize the downloading interface */ | |
1250 | mpbogus.magic = MPMAGIC; | |
1251 | mpbogus.mb = mpbogus.mbloks[unit]; | |
1252 | mpbogus.status = 1; | |
1253 | dl->mpdl_status = EVSTATUS_FREE; | |
1254 | dl->mpdl_count = 0; | |
1255 | dl->mpdl_cmd = 0; | |
1256 | dl->mpdl_data = (char *) 0; | |
1257 | mpdlerr = 0; | |
1258 | mb->mb_magic = MPMAGIC; | |
1259 | mb->mb_ivec = mp_softc[unit].ms_ivec+1; /* download vector */ | |
1260 | mb->mb_status = MP_DLPEND; | |
1261 | mb->mb_diagswitch[0] = 'A'; | |
1262 | mb->mb_diagswitch[1] = 'P'; | |
1263 | s = spl8(); | |
1264 | *(u_short *)mpinfo[unit]->ui_addr = 2; | |
5db86c85 | 1265 | timeout(mpdltimeout, (caddr_t)mb, 30*hz); |
d55465de SL |
1266 | sleep((caddr_t)&mb->mb_status, PZERO+1); |
1267 | splx(s); | |
1268 | if (mb->mb_status == MP_DLOPEN) { | |
5db86c85 | 1269 | untimeout(mpdltimeout, (caddr_t)mb); |
d55465de SL |
1270 | } else if (mb->mb_status == MP_DLTIME) { |
1271 | mpbogus.status = 0; | |
1272 | error = ETIMEDOUT; | |
1273 | } else { | |
1274 | mpbogus.status = 0; | |
1275 | error = ENXIO; | |
1276 | log(LOG_ERR, "mp%d: start download: unknown status %x", | |
1277 | unit, mb->mb_status); | |
1278 | } | |
5db86c85 | 1279 | bzero((caddr_t)mb->mb_port, sizeof (mb->mb_port)); |
d55465de SL |
1280 | break; |
1281 | case MPIORESETBOARD: | |
1282 | s = spl8(); | |
1283 | if (mb->mb_imokclk) | |
1284 | mb->mb_imokclk = 0; | |
1285 | *(u_short *)mpinfo[unit]->ui_addr = 0x100; | |
1286 | if (mb->mb_status == MP_DLOPEN || mb->mb_status == MP_DLDONE) { | |
1287 | mpdlerr = MP_DLERROR; | |
1288 | dl->mpdl_status = EVSTATUS_FREE; | |
1289 | wakeup((caddr_t)&dl->mpdl_status); | |
1290 | mpbogus.status = 0; | |
1291 | } | |
1292 | for (i = 0; i < MPMAXPORT; i++) { | |
1293 | if (mb->mb_harderr || mb->mb_softerr) | |
1294 | mperror(mb, i); | |
1295 | mpcleanport(mb, i); | |
1296 | mb->mb_proto[i] = MPPROTO_UNUSED; | |
1297 | } | |
1298 | mb->mb_status = 0; | |
1299 | splx(s); | |
1300 | break; | |
1301 | default: | |
1302 | error = EINVAL; | |
1303 | break; | |
1304 | } | |
1305 | return (error); | |
1306 | } | |
1307 | ||
1308 | mpccinit(unit) | |
1309 | int unit; | |
1310 | { | |
1311 | register struct mblok *mb = mp_softc[unit].ms_mb; | |
1312 | register struct his *his; | |
1313 | register int i, j; | |
1314 | ||
1315 | mb->mb_status = MP_DLDONE; | |
1316 | mb->mb_ivec = mp_softc[unit].ms_ivec; | |
1317 | mb->mb_magic = MPMAGIC; | |
1318 | /* Init host interface structure */ | |
1319 | his = &mb->mb_hostint; | |
1320 | his->semaphore = MPSEMA_AVAILABLE; | |
1321 | for (i = 0; i < NMPPROTO; i++) | |
1322 | for (j = 0; j < MPMAXPORT; j++) { | |
1323 | his->proto[i].inbdone[j] = MPPORT_EOL; | |
1324 | his->proto[i].outbdone[j] = MPPORT_EOL; | |
1325 | } | |
1326 | mb->mb_unit = unit; | |
1327 | } | |
1328 | ||
1329 | mpdlintr(mpcc) | |
1330 | int mpcc; | |
1331 | { | |
1332 | register struct mblok *mb; | |
1333 | register struct mpdl *dl; | |
1334 | ||
1335 | mb = mp_softc[mpcc].ms_mb; | |
1336 | if (mb == 0) { | |
1337 | printf("mp%d: stray download interrupt\n", mpcc); | |
1338 | return; | |
1339 | } | |
1340 | dl = &mb->mb_dl; | |
1341 | switch (mb->mb_status) { | |
1342 | case MP_DLOPEN: | |
1343 | if (dl->mpdl_status != EVSTATUS_DONE) | |
1344 | mpdlerr = MP_DLERROR; | |
1345 | dl->mpdl_status = EVSTATUS_FREE; | |
1346 | wakeup((caddr_t)&dl->mpdl_status); | |
1347 | return; | |
1348 | case MP_DLPEND: | |
1349 | mb->mb_status = MP_DLOPEN; | |
5db86c85 | 1350 | wakeup((caddr_t)&mb->mb_status); |
d55465de SL |
1351 | /* fall thru... */ |
1352 | case MP_DLTIME: | |
1353 | return; | |
1354 | case MP_OPOPEN: | |
1355 | if (mb->mb_imokclk) | |
1356 | mb->mb_imokclk = 0; | |
1357 | mb->mb_nointcnt = 0; /* reset no interrupt count */ | |
1358 | mb->mb_hostint.imok = MPIMOK_DEAD; | |
1359 | mb->mb_imokclk = (caddr_t)1; | |
1360 | break; | |
1361 | default: | |
1362 | log(LOG_ERR, "mp%d: mpdlintr, status %x\n", | |
1363 | mpcc, mb->mb_status); | |
1364 | break; | |
1365 | } | |
1366 | } | |
1367 | ||
1368 | mpdltimeout(mp) | |
1369 | struct mblok *mp; | |
1370 | { | |
1371 | ||
1372 | mp->mb_status = MP_DLTIME; | |
1373 | wakeup((caddr_t)&mp->mb_status); | |
1374 | } | |
1375 | ||
1376 | /* | |
1377 | * Wait for a transfer to complete or a timeout to occur. | |
1378 | */ | |
1379 | mpdlwait(dl) | |
1380 | register struct mpdl *dl; | |
1381 | { | |
1382 | int s, error = 0; | |
1383 | ||
1384 | s = spl8(); | |
1385 | dl->mpdl_status = EVSTATUS_GO; | |
1386 | while (dl->mpdl_status != EVSTATUS_FREE) { | |
1387 | sleep((caddr_t)&dl->mpdl_status, PZERO+1); | |
1388 | if (mpdlerr == MP_DLERROR) | |
1389 | error = EIO; | |
1390 | } | |
1391 | splx(s); | |
1392 | return (error); | |
1393 | } | |
1394 | #endif |