Commit | Line | Data |
---|---|---|
5db86c85 MK |
1 | /* |
2 | * Copyright (c) 1988 Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
30a58bac MK |
5 | * This code is derived from software contributed to Berkeley by |
6 | * Computer Consoles Inc. | |
7 | * | |
5db86c85 | 8 | * Redistribution and use in source and binary forms are permitted |
616d42db KB |
9 | * provided that the above copyright notice and this paragraph are |
10 | * duplicated in all such forms and that any documentation, | |
11 | * advertising materials, and other materials related to such | |
12 | * distribution and use acknowledge that the software was developed | |
13 | * by the University of California, Berkeley. The name of the | |
14 | * University may not be used to endorse or promote products derived | |
15 | * from this software without specific prior written permission. | |
16 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
17 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
18 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
5db86c85 | 19 | * |
fad16eba | 20 | * @(#)mp.c 7.14 (Berkeley) %G% |
5db86c85 | 21 | */ |
d55465de SL |
22 | |
23 | #include "mp.h" | |
24 | #if NMP > 0 | |
25 | /* | |
26 | * Multi Protocol Communications Controller (MPCC). | |
27 | * Asynchronous Terminal Protocol Support. | |
28 | */ | |
d55465de SL |
29 | #include "param.h" |
30 | #include "ioctl.h" | |
31 | #include "tty.h" | |
d55465de SL |
32 | #include "user.h" |
33 | #include "map.h" | |
34 | #include "buf.h" | |
35 | #include "conf.h" | |
36 | #include "file.h" | |
d55465de SL |
37 | #include "errno.h" |
38 | #include "syslog.h" | |
39 | #include "vmmac.h" | |
40 | #include "kernel.h" | |
41 | #include "clist.h" | |
42 | ||
c18e27ed KM |
43 | #include "machine/pte.h" |
44 | #include "machine/mtpr.h" | |
5db86c85 | 45 | |
d55465de SL |
46 | #include "../tahoevba/vbavar.h" |
47 | #include "../tahoevba/mpreg.h" | |
48 | ||
49 | #define MPCHUNK 16 | |
50 | #define MPPORT(n) ((n) & 0xf) | |
51 | #define MPUNIT(n) ((n) >> 4) | |
52 | ||
53 | /* | |
54 | * Driver information for auto-configuration stuff. | |
55 | */ | |
56 | int mpprobe(), mpattach(), mpintr(); | |
57 | struct vba_device *mpinfo[NMP]; | |
58 | long mpstd[] = { 0 }; | |
59 | struct vba_driver mpdriver = | |
60 | { mpprobe, 0, mpattach, 0, mpstd, "mp", mpinfo }; | |
61 | ||
62 | int mpstart(); | |
240fb450 MT |
63 | int mpparam(); |
64 | struct mpevent *mpparam2(); | |
d55465de SL |
65 | struct mpevent *mp_getevent(); |
66 | ||
67 | /* | |
68 | * The following structure is needed to deal with mpcc's convoluted | |
69 | * method for locating it's mblok structures (hold your stomach). | |
70 | * When an mpcc is reset at boot time it searches host memory | |
71 | * looking for a string that says ``ThIs Is MpCc''. The mpcc | |
72 | * then reads the structure to locate the pointer to it's mblok | |
73 | * structure (you can wretch now). | |
74 | */ | |
75 | struct mpbogus { | |
76 | char s[12]; /* `ThIs Is MpCc'' */ | |
77 | u_char status; | |
78 | u_char unused; | |
79 | u_short magic; | |
80 | struct mblok *mb; | |
81 | struct mblok *mbloks[NMP]; /* can support at most 16 mpcc's */ | |
82 | } mpbogus = { 'T','h','I','s',' ','I','s',' ','M','p','C','c' }; | |
83 | ||
84 | /* | |
85 | * Software state per unit. | |
86 | */ | |
87 | struct mpsoftc { | |
88 | u_int ms_ivec; /* interrupt vector */ | |
89 | u_int ms_softCAR; /* software carrier for async */ | |
90 | struct mblok *ms_mb; /* mpcc status area */ | |
91 | struct vb_buf ms_buf; /* vba resources for ms_mb */ | |
92 | struct hxmtl ms_hxl[MPMAXPORT];/* host transmit list */ | |
93 | struct asyncparam ms_async[MPMAXPORT][MPINSET];/* async structs */ | |
94 | char ms_cbuf[MPMAXPORT][MPOUTSET][CBSIZE];/* input character buffers */ | |
95 | } mp_softc[NMP]; | |
96 | ||
240fb450 MT |
97 | struct speedtab |
98 | mpspeedtab[] = { | |
99 | 9600, M9600, /* baud rate = 9600 */ | |
100 | 4800, M4800, /* baud rate = 4800 */ | |
101 | 2400, M2400, /* baud rate = 2400 */ | |
102 | 1800, M1800, /* baud rate = 1800 */ | |
103 | 1200, M1200, /* baud rate = 1200 */ | |
104 | 600, M600, /* baud rate = 600 */ | |
105 | 300, M300, /* baud rate = 300 */ | |
106 | 200, M200, /* baud rate = 200 */ | |
107 | 150, M150, /* baud rate = 150 */ | |
108 | 134, M134_5, /* baud rate = 134.5 */ | |
109 | 110, M110, /* baud rate = 110 */ | |
110 | 75, M75, /* baud rate = 75 */ | |
111 | 50, M50, /* baud rate = 50 */ | |
112 | 0, M0, /* baud rate = 0 */ | |
113 | 2000, M2000, /* baud rate = 2000 */ | |
114 | 3600, M3600, /* baud rate = 3600 */ | |
115 | 7200, M7200, /* baud rate = 7200 */ | |
116 | 19200, M19200, /* baud rate = 19,200 */ | |
117 | 24000, M24000, /* baud rate = 24,000 */ | |
118 | 28400, M28400, /* baud rate = 28,400 */ | |
119 | 37800, M37800, /* baud rate = 37,800 */ | |
120 | 40300, M40300, /* baud rate = 40,300 */ | |
121 | 48000, M48000, /* baud rate = 48,000 */ | |
122 | 52000, M52000, /* baud rate = 52,000 */ | |
123 | 56800, M56800, /* baud rate = 56,800 */ | |
124 | EXTA, MEXTA, /* baud rate = Ext A */ | |
125 | EXTB, MEXTB, /* baud rate = Ext B */ | |
126 | -1, -1, | |
127 | }; | |
128 | ||
d55465de SL |
129 | struct tty mp_tty[NMP*MPCHUNK]; |
130 | #ifndef lint | |
131 | int nmp = NMP*MPCHUNK; | |
132 | #endif | |
133 | ||
134 | int ttrstrt(); | |
135 | ||
136 | mpprobe(reg, vi) | |
137 | caddr_t reg; | |
138 | struct vba_device *vi; | |
139 | { | |
140 | register int br, cvec; | |
141 | register struct mpsoftc *ms; | |
142 | ||
143 | #ifdef lint | |
144 | br = 0; cvec = br; br = cvec; | |
145 | mpintr(0); | |
5db86c85 | 146 | mpdlintr(0); |
d55465de SL |
147 | #endif |
148 | if (badaddr(reg, 2)) | |
149 | return (0); | |
150 | ms = &mp_softc[vi->ui_unit]; | |
151 | /* | |
152 | * Allocate page tables and mblok | |
153 | * structure (mblok in non-cached memory). | |
154 | */ | |
155 | if (vbainit(&ms->ms_buf, sizeof (struct mblok), VB_32BIT) == 0) { | |
156 | printf("mp%d: vbainit failed\n", vi->ui_unit); | |
157 | return (0); | |
158 | } | |
159 | ms->ms_mb = (struct mblok *)ms->ms_buf.vb_rawbuf; | |
160 | ms->ms_ivec = MPINTRBASE + 2*vi->ui_unit; /* XXX */ | |
161 | br = 0x14, cvec = ms->ms_ivec; /* XXX */ | |
7c707d99 | 162 | return (sizeof (*reg)); |
d55465de SL |
163 | } |
164 | ||
165 | mpattach(vi) | |
166 | register struct vba_device *vi; | |
167 | { | |
168 | register struct mpsoftc *ms = &mp_softc[vi->ui_unit]; | |
169 | ||
170 | ms->ms_softCAR = vi->ui_flags; | |
171 | /* | |
172 | * Setup pointer to mblok, initialize bogus | |
173 | * status block used by mpcc to locate the pointer | |
174 | * and then poke the mpcc to get it to search host | |
175 | * memory to find mblok pointer. | |
176 | */ | |
177 | mpbogus.mbloks[vi->ui_unit] = (struct mblok *)ms->ms_buf.vb_physbuf; | |
178 | *(short *)vi->ui_addr = 0x100; /* magic */ | |
179 | } | |
180 | ||
181 | /* | |
182 | * Open an mpcc port. | |
183 | */ | |
5db86c85 | 184 | /* ARGSUSED */ |
d55465de SL |
185 | mpopen(dev, mode) |
186 | dev_t dev; | |
187 | { | |
188 | register struct tty *tp; | |
189 | register struct mpsoftc *ms; | |
190 | int error, s, port, unit, mpu; | |
191 | struct vba_device *vi; | |
192 | struct mpport *mp; | |
193 | struct mpevent *ev; | |
194 | ||
195 | unit = minor(dev); | |
196 | mpu = MPUNIT(unit); | |
197 | if (mpu >= NMP || (vi = mpinfo[mpu]) == 0 || vi->ui_alive == 0) | |
198 | return (ENXIO); | |
199 | tp = &mp_tty[unit]; | |
200 | if (tp->t_state & TS_XCLUDE && u.u_uid != 0) | |
201 | return (EBUSY); | |
202 | ms = &mp_softc[mpu]; | |
203 | port = MPPORT(unit); | |
204 | if (ms->ms_mb->mb_proto[port] != MPPROTO_ASYNC || | |
205 | ms->ms_mb->mb_status != MP_OPOPEN) | |
206 | return (ENXIO); | |
207 | mp = &ms->ms_mb->mb_port[port]; /* host mpcc struct */ | |
208 | s = spl8(); | |
255871c5 KB |
209 | /* |
210 | * serialize open and close events | |
211 | */ | |
240fb450 | 212 | while ((mp->mp_flags & MP_PROGRESS) || ((tp->t_state & TS_WOPEN) && |
0658cf79 MK |
213 | !(mode&O_NONBLOCK) && !(tp->t_cflag&CLOCAL))) |
214 | if (error = tsleep((caddr_t)&tp->t_canq, TTIPRI | PCATCH, | |
215 | ttopen, 0)) { | |
216 | splx(s); | |
217 | return (error); | |
218 | } | |
255871c5 | 219 | restart: |
d55465de SL |
220 | tp->t_state |= TS_WOPEN; |
221 | tp->t_addr = (caddr_t)ms; | |
222 | tp->t_oproc = mpstart; | |
240fb450 | 223 | tp->t_param = mpparam; |
d55465de | 224 | tp->t_dev = dev; |
0eeaf15c KB |
225 | if ((tp->t_state & TS_ISOPEN) == 0) { |
226 | ttychars(tp); | |
227 | if (tp->t_ispeed == 0) { | |
0658cf79 MK |
228 | tp->t_ispeed = TTYDEF_SPEED; |
229 | tp->t_ospeed = TTYDEF_SPEED; | |
230 | tp->t_iflag = TTYDEF_IFLAG; | |
231 | tp->t_oflag = TTYDEF_OFLAG; | |
232 | tp->t_lflag = TTYDEF_LFLAG; | |
233 | tp->t_cflag = TTYDEF_CFLAG; | |
0eeaf15c KB |
234 | } |
235 | /* | |
236 | * Initialize port state: init MPCC interface | |
237 | * structures for port and setup modem control. | |
238 | */ | |
0eeaf15c KB |
239 | error = mpportinit(ms, mp, port); |
240 | if (error) | |
241 | goto bad; | |
240fb450 | 242 | ev = mpparam2(tp, &tp->t_termios); |
0eeaf15c KB |
243 | if (ev == 0) { |
244 | error = ENOBUFS; | |
245 | goto bad; | |
246 | } | |
255871c5 | 247 | mp->mp_flags |= MP_PROGRESS; |
0eeaf15c | 248 | mpcmd(ev, EVCMD_OPEN, 0, ms->ms_mb, port); |
255871c5 KB |
249 | /* |
250 | * wait for port to start | |
251 | */ | |
252 | while (mp->mp_proto != MPPROTO_ASYNC) | |
0658cf79 MK |
253 | if (error = tsleep((caddr_t)&tp->t_canq, |
254 | TTIPRI | PCATCH, ttopen, 0)) | |
255 | goto bad; | |
240fb450 | 256 | ttsetwater(tp); |
255871c5 | 257 | mp->mp_flags &= ~MP_PROGRESS; |
d55465de | 258 | } |
0658cf79 MK |
259 | while ((mode&O_NONBLOCK) == 0 && (tp->t_cflag&CLOCAL) == 0 && |
260 | (tp->t_state & TS_CARR_ON) == 0) { | |
fad16eba MT |
261 | if (error = ttysleep(tp, (caddr_t)&tp->t_rawq, TTIPRI | PCATCH, |
262 | ttopen, 0)) | |
0658cf79 | 263 | goto bad; |
255871c5 KB |
264 | /* |
265 | * a mpclose() might have disabled port. if so restart | |
266 | */ | |
267 | if (mp->mp_proto != MPPROTO_ASYNC) | |
268 | goto restart; | |
269 | tp->t_state |= TS_WOPEN; | |
270 | } | |
d55465de SL |
271 | error = (*linesw[tp->t_line].l_open)(dev,tp); |
272 | done: | |
273 | splx(s); | |
255871c5 KB |
274 | /* |
275 | * wakeup those processes waiting for the open to complete | |
276 | */ | |
d55465de | 277 | wakeup((caddr_t)&tp->t_canq); |
d55465de SL |
278 | return (error); |
279 | bad: | |
280 | tp->t_state &= ~TS_WOPEN; | |
281 | goto done; | |
282 | } | |
283 | ||
284 | /* | |
285 | * Close an mpcc port. | |
286 | */ | |
5db86c85 MK |
287 | /* ARGSUSED */ |
288 | mpclose(dev, flag) | |
d55465de SL |
289 | dev_t dev; |
290 | { | |
291 | register struct tty *tp; | |
292 | register struct mpport *mp; | |
293 | register struct mpevent *ev; | |
0658cf79 | 294 | int s, port, unit, error = 0; |
d55465de SL |
295 | struct mblok *mb; |
296 | ||
297 | unit = minor(dev); | |
298 | tp = &mp_tty[unit]; | |
299 | port = MPPORT(unit); | |
300 | mb = mp_softc[MPUNIT(unit)].ms_mb; | |
301 | mp = &mb->mb_port[port]; | |
302 | s = spl8(); | |
255871c5 | 303 | if (mp->mp_flags & MP_PROGRESS) { |
d55465de SL |
304 | if (mp->mp_flags & MP_REMBSY) { |
305 | mp->mp_flags &= ~MP_REMBSY; | |
306 | splx(s); | |
307 | return (0); | |
308 | } | |
309 | while (mp->mp_flags & MP_PROGRESS) | |
0658cf79 MK |
310 | if (error = tsleep((caddr_t)&tp->t_canq, |
311 | TTIPRI | PCATCH, ttclos, 0)) { | |
312 | splx(s); | |
313 | return (error); | |
314 | } | |
d55465de | 315 | } |
d55465de SL |
316 | mp->mp_flags |= MP_PROGRESS; |
317 | (*linesw[tp->t_line].l_close)(tp); | |
255871c5 | 318 | ev = mp_getevent(mp, unit, 1); |
d55465de | 319 | if (ev == 0) { |
954f71cc KB |
320 | error = ENOBUFS; |
321 | mp->mp_flags &= ~MP_PROGRESS; | |
322 | goto out; | |
d55465de | 323 | } |
954f71cc KB |
324 | if (tp->t_state & TS_HUPCLS || (tp->t_state & TS_ISOPEN) == 0) |
325 | mpmodem(unit, MMOD_OFF); | |
326 | else | |
327 | mpmodem(unit, MMOD_ON); | |
d55465de | 328 | mpcmd(ev, EVCMD_CLOSE, 0, mb, port); |
0658cf79 | 329 | error = ttyclose(tp); |
d55465de SL |
330 | out: |
331 | if (mp->mp_flags & MP_REMBSY) | |
332 | mpclean(mb, port); | |
255871c5 | 333 | else |
0658cf79 MK |
334 | while (mp->mp_flags & MP_PROGRESS && error == 0) |
335 | error = tsleep((caddr_t)&tp->t_canq, TTIPRI | PCATCH, | |
336 | ttclos, 0); | |
d55465de SL |
337 | splx(s); |
338 | return (error); | |
339 | } | |
340 | ||
341 | /* | |
342 | * Read from an mpcc port. | |
343 | */ | |
240fb450 | 344 | mpread(dev, uio, flag) |
d55465de SL |
345 | dev_t dev; |
346 | struct uio *uio; | |
347 | { | |
348 | struct tty *tp; | |
349 | ||
350 | tp = &mp_tty[minor(dev)]; | |
240fb450 | 351 | return ((*linesw[tp->t_line].l_read)(tp, uio, flag)); |
d55465de SL |
352 | } |
353 | ||
354 | /* | |
355 | * Write to an mpcc port. | |
356 | */ | |
240fb450 | 357 | mpwrite(dev, uio, flag) |
d55465de SL |
358 | dev_t dev; |
359 | struct uio *uio; | |
360 | { | |
361 | struct tty *tp; | |
362 | ||
363 | tp = &mp_tty[minor(dev)]; | |
240fb450 | 364 | return ((*linesw[tp->t_line].l_write)(tp, uio, flag)); |
d55465de SL |
365 | } |
366 | ||
367 | /* | |
368 | * Ioctl for a mpcc port | |
369 | */ | |
370 | mpioctl(dev, cmd, data, flag) | |
371 | dev_t dev; | |
372 | caddr_t data; | |
373 | { | |
374 | register struct tty *tp; | |
375 | register struct mpsoftc *ms; | |
d55465de | 376 | register struct mpport *mp; |
240fb450 | 377 | register struct mpevent *ev; |
d55465de SL |
378 | int s, port, error, unit; |
379 | struct mblok *mb; | |
380 | ||
381 | unit = minor(dev); | |
382 | tp = &mp_tty[unit]; | |
383 | ms = &mp_softc[MPUNIT(unit)]; | |
384 | mb = ms->ms_mb; | |
255871c5 KB |
385 | port = MPPORT(unit); |
386 | mp = &mb->mb_port[port]; | |
387 | if (mp->mp_proto != MPPROTO_ASYNC) | |
388 | return(ENXIO); | |
d55465de SL |
389 | error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag); |
390 | if (error >= 0) | |
391 | return (error); | |
392 | error = ttioctl(tp, cmd, data, flag); | |
240fb450 | 393 | if (error >= 0) |
d55465de | 394 | return (error); |
d55465de SL |
395 | switch (cmd) { |
396 | case TIOCSBRK: /* send break */ | |
397 | case TIOCCBRK: /* clear break */ | |
d55465de | 398 | s = spl8(); |
255871c5 | 399 | while (mp->mp_flags & MP_IOCTL) { |
0658cf79 MK |
400 | if (error = tsleep((caddr_t)&tp->t_canq, |
401 | TTIPRI | PCATCH, ttyout, 0)) { | |
402 | splx(s); | |
403 | return (error); | |
404 | } | |
255871c5 | 405 | if (mp->mp_proto != MPPROTO_ASYNC) { |
255871c5 | 406 | splx(s); |
0658cf79 | 407 | return (ENXIO); |
255871c5 KB |
408 | } |
409 | } | |
410 | ev = mp_getevent(mp, unit, 0); | |
411 | if (ev) { | |
412 | mp->mp_flags |= MP_IOCTL; | |
d55465de | 413 | mpcmd(ev, EVCMD_IOCTL, |
255871c5 KB |
414 | (cmd == TIOCSBRK ? A_BRKON : A_BRKOFF), mb, port); |
415 | } else | |
d55465de SL |
416 | error = ENOBUFS; |
417 | splx(s); | |
418 | break; | |
419 | case TIOCSDTR: /* set dtr control line */ | |
420 | break; | |
421 | case TIOCCDTR: /* clear dtr control line */ | |
422 | break; | |
423 | default: | |
424 | error = ENOTTY; | |
425 | break; | |
426 | } | |
427 | return (error); | |
428 | } | |
429 | ||
240fb450 MT |
430 | mpparam(tp, t) |
431 | struct tty *tp; | |
432 | struct termios *t; | |
433 | { | |
434 | register struct mpevent *ev; | |
435 | int unit = minor(tp->t_dev); | |
436 | struct mpsoftc *ms = &mp_softc[MPUNIT(unit)]; | |
437 | struct mblok *mb = ms->ms_mb; | |
438 | ||
439 | ev = mpparam2(tp, t); | |
440 | if (ev == 0) | |
441 | return (ENOBUFS); | |
442 | mpcmd(ev, EVCMD_IOCTL, A_CHGALL, mb, MPPORT(unit)); | |
443 | return (0); | |
444 | } | |
445 | ||
d55465de | 446 | struct mpevent * |
240fb450 MT |
447 | mpparam2(tp, t) |
448 | register struct tty *tp; | |
449 | struct termios *t; | |
d55465de SL |
450 | { |
451 | register struct mpevent *ev; | |
452 | register struct mpport *mp; | |
240fb450 | 453 | int unit = minor(tp->t_dev); |
d55465de SL |
454 | struct mblok *mb; |
455 | struct mpsoftc *ms; | |
456 | register struct asyncparam *asp; | |
240fb450 | 457 | int port, speedcode; |
d55465de SL |
458 | |
459 | ms = &mp_softc[MPUNIT(unit)]; | |
460 | mb = ms->ms_mb; | |
461 | port = MPPORT(unit); | |
462 | mp = &mb->mb_port[port]; | |
255871c5 | 463 | ev = mp_getevent(mp, unit, 0); /* XXX */ |
240fb450 MT |
464 | speedcode = ttspeedtab(t->c_ospeed, mpspeedtab); |
465 | if (ev == 0 || speedcode < 0) { | |
466 | printf("mp mpunit %d port %d param2 failed ev: %x speed %d, wanted %d\n", | |
467 | MPUNIT(unit), port, ev, speedcode, t->c_ospeed); | |
468 | return (0); /* XXX */ | |
469 | } | |
d55465de SL |
470 | /* YUCK */ |
471 | asp = &ms->ms_async[port][mp->mp_on?mp->mp_on-1:MPINSET-1]; | |
240fb450 MT |
472 | asp->ap_xon = t->c_cc[VSTART]; |
473 | asp->ap_xoff = t->c_cc[VSTOP]; | |
474 | if (!(t->c_iflag&IXON) || (asp->ap_xon == _POSIX_VDISABLE) || | |
475 | (asp->ap_xoff == _POSIX_VDISABLE)) | |
b532c831 KB |
476 | asp->ap_xena = MPA_DIS; |
477 | else | |
478 | asp->ap_xena = MPA_ENA; | |
240fb450 | 479 | asp->ap_xany = ((t->c_iflag & IXANY) ? MPA_ENA : MPA_DIS); |
d55465de | 480 | #ifdef notnow |
240fb450 | 481 | if (t->t_cflag&CSIZE) == CS8) { |
d55465de SL |
482 | #endif |
483 | asp->ap_data = MPCHAR_8; | |
484 | asp->ap_parity = MPPAR_NONE; | |
485 | #ifdef notnow | |
486 | } else { | |
487 | asp->ap_data = MPCHAR_7; | |
240fb450 | 488 | if ((t->c_flags & (EVENP|ODDP)) == ODDP) /* XXX */ |
d55465de SL |
489 | asp->ap_parity = MPPAR_ODD; |
490 | else | |
491 | asp->ap_parity = MPPAR_EVEN; | |
492 | } | |
493 | #endif | |
255871c5 KB |
494 | asp->ap_loop = MPA_DIS; /* disable loopback */ |
495 | asp->ap_rtimer = A_RCVTIM; /* default receive timer */ | |
240fb450 | 496 | if (t->c_ospeed == B110) |
d55465de SL |
497 | asp->ap_stop = MPSTOP_2; |
498 | else | |
499 | asp->ap_stop = MPSTOP_1; | |
240fb450 | 500 | if (t->c_ospeed == 0) { |
255871c5 KB |
501 | tp->t_state |= TS_HUPCLS; |
502 | setm(&asp->ap_modem, 0, DROP); | |
503 | seti(&asp->ap_intena, A_DCD); | |
504 | return (ev); | |
505 | } | |
240fb450 | 506 | if (t->c_ospeed == EXTA || t->c_ospeed == EXTB) |
d55465de SL |
507 | asp->ap_baud = M19200; |
508 | else | |
240fb450 MT |
509 | asp->ap_baud = speedcode; |
510 | if (1 || ms->ms_softCAR & (1<<port)) /* XXX HARDWIRE FOR NOW */ | |
d55465de SL |
511 | setm(&asp->ap_modem, A_DTR, ASSERT); |
512 | else | |
513 | setm(&asp->ap_modem, A_DTR, AUTO); | |
514 | seti(&asp->ap_intena, A_DCD); | |
240fb450 | 515 | return(ev); |
d55465de SL |
516 | } |
517 | ||
518 | mpstart(tp) | |
519 | register struct tty *tp; | |
520 | { | |
521 | register struct mpevent *ev; | |
522 | register struct mpport *mp; | |
523 | struct mblok *mb; | |
524 | struct mpsoftc *ms; | |
525 | int port, unit, xcnt, n, s, i; | |
526 | struct hxmtl *hxp; | |
527 | struct clist outq; | |
528 | ||
529 | s = spl8(); | |
530 | unit = minor(tp->t_dev); | |
531 | ms = &mp_softc[MPUNIT(unit)]; | |
532 | mb = ms->ms_mb; | |
533 | port = MPPORT(unit); | |
534 | mp = &mb->mb_port[port]; | |
535 | hxp = &ms->ms_hxl[port]; | |
536 | xcnt = 0; | |
537 | outq = tp->t_outq; | |
538 | for (i = 0; i < MPXMIT; i++) { | |
539 | if (tp->t_state & (TS_TIMEOUT|TS_BUSY|TS_TTSTOP)) | |
540 | break; | |
240fb450 | 541 | if (outq.c_cc <= tp->t_lowat) { |
d55465de SL |
542 | if (tp->t_state & TS_ASLEEP) { |
543 | tp->t_state &= ~TS_ASLEEP; | |
544 | wakeup((caddr_t)&tp->t_outq); | |
545 | } | |
546 | if (tp->t_wsel) { | |
547 | selwakeup(tp->t_wsel, tp->t_state & TS_WCOLL); | |
548 | tp->t_wsel = 0; | |
549 | tp->t_state &= ~TS_WCOLL; | |
550 | } | |
551 | } | |
552 | if (outq.c_cc == 0) | |
553 | break; | |
554 | /* | |
555 | * If we're not currently busy outputting, | |
556 | * and there is data to be output, set up | |
557 | * port transmit structure to send to mpcc. | |
558 | */ | |
240fb450 | 559 | if (1) /* || tp->t_flags & (RAW|LITOUT)) XXX FIX */ |
d55465de SL |
560 | n = ndqb(&outq, 0); |
561 | else { | |
562 | n = ndqb(&outq, 0200); | |
563 | if (n == 0) { | |
255871c5 KB |
564 | if (xcnt > 0) |
565 | break; | |
d55465de SL |
566 | n = getc(&outq); |
567 | timeout(ttrstrt, (caddr_t)tp, (n&0177)+6); | |
568 | tp->t_state |= TS_TIMEOUT; | |
569 | break; | |
570 | } | |
571 | } | |
5db86c85 | 572 | hxp->dblock[i] = (caddr_t)kvtophys(outq.c_cf); |
d55465de SL |
573 | hxp->size[i] = n; |
574 | xcnt++; /* count of xmts to send */ | |
575 | ndadvance(&outq, n); | |
576 | } | |
577 | /* | |
578 | * If data to send, poke mpcc. | |
579 | */ | |
580 | if (xcnt) { | |
255871c5 | 581 | ev = mp_getevent(mp, unit, 0); |
d55465de SL |
582 | if (ev == 0) { |
583 | tp->t_state &= ~(TS_BUSY|TS_TIMEOUT); | |
584 | } else { | |
585 | tp->t_state |= TS_BUSY; | |
586 | ev->ev_count = xcnt; | |
587 | mpcmd(ev, EVCMD_WRITE, 0, mb, MPPORT(unit)); | |
588 | } | |
589 | } | |
590 | splx(s); | |
591 | } | |
592 | ||
593 | /* | |
594 | * Advance cc bytes from q but don't free memory. | |
595 | */ | |
596 | ndadvance(q, cc) | |
597 | register struct clist *q; | |
598 | register cc; | |
599 | { | |
600 | register struct cblock *bp; | |
601 | char *end; | |
602 | int rem, s; | |
603 | ||
604 | s = spltty(); | |
605 | if (q->c_cc <= 0) | |
606 | goto out; | |
607 | while (cc>0 && q->c_cc) { | |
608 | bp = (struct cblock *)((int)q->c_cf & ~CROUND); | |
609 | if ((int)bp == (((int)q->c_cl-1) & ~CROUND)) { | |
610 | end = q->c_cl; | |
611 | } else { | |
612 | end = (char *)((int)bp + sizeof (struct cblock)); | |
613 | } | |
614 | rem = end - q->c_cf; | |
615 | if (cc >= rem) { | |
616 | cc -= rem; | |
617 | q->c_cc -= rem; | |
618 | q->c_cf = bp->c_next->c_info; | |
619 | } else { | |
620 | q->c_cc -= cc; | |
621 | q->c_cf += cc; | |
622 | break; | |
623 | } | |
624 | } | |
625 | if (q->c_cc <= 0) { | |
626 | q->c_cf = q->c_cl = NULL; | |
627 | q->c_cc = 0; | |
628 | } | |
629 | out: | |
630 | splx(s); | |
631 | } | |
632 | ||
633 | /* | |
634 | * Stop output on a line, e.g. for ^S/^Q or output flush. | |
635 | */ | |
5db86c85 | 636 | /* ARGSUSED */ |
d55465de SL |
637 | mpstop(tp, rw) |
638 | register struct tty *tp; | |
639 | int rw; | |
640 | { | |
255871c5 KB |
641 | register struct mpport *mp; |
642 | register struct mpevent *ev; | |
643 | int unit = minor(tp->t_dev); | |
644 | int port; | |
645 | struct mblok *mb; | |
5db86c85 | 646 | int s; |
d55465de SL |
647 | |
648 | s = spl8(); | |
d55465de | 649 | if (tp->t_state & TS_BUSY) { |
255871c5 | 650 | if ((tp->t_state & TS_TTSTOP) == 0) { |
d55465de | 651 | tp->t_state |= TS_FLUSH; |
255871c5 KB |
652 | port = MPPORT(unit); |
653 | mb = mp_softc[MPUNIT(unit)].ms_mb; | |
654 | mp = &mb->mb_port[port]; | |
655 | ev = mp_getevent(mp, unit, 0); | |
656 | if (ev == 0) { | |
657 | splx(s); | |
658 | return; | |
659 | } | |
660 | mpcmd(ev, EVCMD_WRITE, A_FLUSH, mb, port); | |
661 | } | |
d55465de SL |
662 | } |
663 | splx(s); | |
664 | } | |
665 | ||
666 | /* | |
667 | * Initialize an async port's MPCC state. | |
668 | */ | |
669 | mpportinit(ms, mp, port) | |
670 | register struct mpsoftc *ms; | |
671 | register struct mpport *mp; | |
672 | int port; | |
673 | { | |
674 | register struct mpevent *ev; | |
675 | register int i; | |
676 | caddr_t ptr; | |
677 | ||
678 | mp->mp_on = mp->mp_off = 0; | |
679 | mp->mp_nextrcv = 0; | |
680 | mp->mp_flags = 0; | |
681 | ev = &mp->mp_recvq[0]; | |
682 | for (i = 0; ev < &mp->mp_recvq[MPINSET]; ev++, i++) { | |
683 | ev->ev_status = EVSTATUS_FREE; | |
684 | ev->ev_cmd = 0; | |
685 | ev->ev_opts = 0; | |
686 | ev->ev_error = 0; | |
687 | ev->ev_flags = 0; | |
688 | ev->ev_count = 0; | |
5db86c85 MK |
689 | ev->ev_un.hxl = (struct hxmtl *) kvtophys(&ms->ms_hxl[port]); |
690 | ev->ev_params = (caddr_t) kvtophys(&ms->ms_async[port][i]); | |
d55465de SL |
691 | } |
692 | ev = &mp->mp_sendq[0]; | |
693 | for (i = 0; ev < &mp->mp_sendq[MPOUTSET]; ev++, i++) { | |
694 | /* init so that L2 can't send any events */ | |
695 | /* to host until open has completed */ | |
696 | ev->ev_status = EVSTATUS_FREE; | |
697 | ev->ev_cmd = 0; | |
255871c5 | 698 | ev->ev_opts = 0; |
d55465de SL |
699 | ev->ev_error = 0; |
700 | ev->ev_flags = 0; | |
701 | ev->ev_count = 0; | |
702 | ptr = (caddr_t) &ms->ms_cbuf[port][i][0]; | |
5db86c85 MK |
703 | ev->ev_un.rcvblk = (u_char *)kvtophys(ptr); |
704 | ev->ev_params = (caddr_t) kvtophys(ptr); | |
d55465de SL |
705 | } |
706 | return (0); | |
707 | } | |
708 | ||
709 | /* | |
710 | * Send an event to an mpcc. | |
711 | */ | |
712 | mpcmd(ev, cmd, flags, mb, port) | |
713 | register struct mpevent *ev; | |
714 | struct mblok *mb; | |
715 | { | |
716 | int s; | |
717 | ||
718 | s = spl8(); | |
719 | /* move host values to inbound entry */ | |
720 | ev->ev_cmd = cmd; | |
721 | ev->ev_opts = flags; | |
722 | /* show event ready for mpcc */ | |
723 | ev->ev_status = EVSTATUS_GO; | |
724 | mpintmpcc(mb, port); | |
725 | splx(s); | |
726 | } | |
727 | ||
728 | /* | |
729 | * Return the next available event entry for the indicated port. | |
730 | */ | |
731 | struct mpevent * | |
255871c5 | 732 | mp_getevent(mp, unit, cls_req) |
d55465de SL |
733 | register struct mpport *mp; |
734 | int unit; | |
255871c5 | 735 | int cls_req; |
d55465de SL |
736 | { |
737 | register struct mpevent *ev; | |
738 | int i, s; | |
739 | ||
740 | s = spl8(); | |
741 | ev = &mp->mp_recvq[mp->mp_on]; | |
742 | if (ev->ev_status != EVSTATUS_FREE) | |
743 | goto bad; | |
744 | /* | |
745 | * If not a close request, verify one extra | |
746 | * event is available for closing the port. | |
747 | */ | |
255871c5 | 748 | if (!cls_req) { |
d55465de SL |
749 | if ((i = mp->mp_on + 1) >= MPINSET) |
750 | i = 0; | |
751 | if (mp->mp_recvq[i].ev_status != EVSTATUS_FREE) | |
752 | goto bad; | |
753 | } | |
754 | /* init inbound fields marking this entry as busy */ | |
255871c5 KB |
755 | ev->ev_cmd = 0; |
756 | ev->ev_opts = 0; | |
d55465de SL |
757 | ev->ev_error = 0; |
758 | ev->ev_flags = 0; | |
759 | ev->ev_count = 0; | |
760 | ev->ev_status = EVSTATUS_BUSY; | |
761 | /* adjust pointer to next available inbound entry */ | |
762 | adjptr(mp->mp_on, MPINSET); | |
763 | splx(s); | |
764 | return (ev); | |
765 | bad: | |
766 | splx(s); | |
255871c5 KB |
767 | log(LOG_ERR, "mp%d: port%d, out of events\n", |
768 | MPUNIT(unit), MPPORT(unit)); | |
d55465de SL |
769 | return ((struct mpevent *)0); |
770 | } | |
771 | ||
772 | mpmodem(unit, flag) | |
773 | int unit, flag; | |
774 | { | |
775 | struct mpsoftc *ms = &mp_softc[MPUNIT(unit)]; | |
776 | int port = MPPORT(unit); | |
777 | register struct mpport *mp; | |
d55465de SL |
778 | register struct asyncparam *asp; |
779 | ||
780 | mp = &ms->ms_mb->mb_port[port]; | |
d55465de SL |
781 | asp = &ms->ms_async[port][mp->mp_on?mp->mp_on-1:MPINSET-1]; |
782 | if (flag == MMOD_ON) { | |
240fb450 | 783 | if (1 || ms->ms_softCAR & (1 << port))/* XXX HARDWIRE FOR NOW */ |
d55465de SL |
784 | setm(&asp->ap_modem, A_DTR, ASSERT); |
785 | else | |
786 | setm(&asp->ap_modem, A_DTR, AUTO); | |
787 | seti(&asp->ap_intena, A_DCD); | |
788 | } else { | |
789 | setm(&asp->ap_modem, 0, DROP); | |
790 | seti(&asp->ap_intena, 0); | |
791 | } | |
d55465de SL |
792 | } |
793 | ||
794 | /* | |
795 | * Set up the modem control structure according to mask. | |
796 | * Each set bit in the mask means assert the corresponding | |
797 | * modem control line, otherwise, it will be dropped. | |
798 | * RTS is special since it can either be asserted, dropped | |
799 | * or put in auto mode for auto modem control. | |
800 | */ | |
801 | static | |
802 | setm(mc, mask, rts) | |
803 | register struct mdmctl *mc; | |
804 | register int mask; | |
805 | { | |
806 | ||
807 | mc->mc_rngdsr = (mask & A_RNGDSR) ? ASSERT : DROP; | |
808 | mc->mc_rate = (mask & A_RATE) ? ASSERT : DROP; | |
809 | mc->mc_dcd = (mask & A_DCD) ? ASSERT : DROP; | |
810 | mc->mc_sectx = (mask & A_SECTX) ? ASSERT : DROP; | |
811 | mc->mc_cts = (mask & A_CTS) ? ASSERT : DROP; | |
812 | mc->mc_secrx = (mask & A_SECRX) ? ASSERT : DROP; | |
813 | mc->mc_dtr = (mask & A_DTR) ? ASSERT : DROP; | |
814 | mc->mc_rts = rts; | |
815 | } | |
816 | ||
817 | /* | |
818 | * Set up the status change enable field from mask. | |
819 | * When a signal is enabled in this structure and | |
820 | * and a change in state on a corresponding modem | |
821 | * control line occurs, a status change event will | |
822 | * be delivered to the host. | |
823 | */ | |
824 | static | |
825 | seti(mc, mask) | |
826 | register struct mdmctl *mc; | |
827 | register int mask; | |
828 | { | |
829 | ||
830 | mc->mc_rngdsr = (mask & A_RNGDSR) ? MDM_ON : MDM_OFF; | |
831 | mc->mc_rate = (mask & A_RATE) ? MDM_ON : MDM_OFF; | |
832 | mc->mc_dcd = (mask & A_DCD) ? MDM_ON : MDM_OFF; | |
833 | mc->mc_sectx = (mask & A_SECTX) ? MDM_ON : MDM_OFF; | |
834 | mc->mc_cts = (mask & A_CTS) ? MDM_ON : MDM_OFF; | |
835 | mc->mc_secrx = (mask & A_SECRX) ? MDM_ON : MDM_OFF; | |
836 | mc->mc_dtr = (mask & A_DTR) ? MDM_ON : MDM_OFF; | |
837 | mc->mc_rts = (mask & A_RTS) ? MDM_ON : MDM_OFF; | |
838 | } | |
839 | ||
840 | mpcleanport(mb, port) | |
841 | struct mblok *mb; | |
842 | int port; | |
843 | { | |
844 | register struct mpport *mp; | |
845 | register struct tty *tp; | |
846 | ||
847 | mp = &mb->mb_port[port]; | |
848 | if (mp->mp_proto == MPPROTO_ASYNC) { | |
849 | mp->mp_flags = MP_REMBSY; | |
5db86c85 | 850 | /* signal loss of carrier and close */ |
d55465de | 851 | tp = &mp_tty[mb->mb_unit*MPCHUNK+port]; |
d55465de | 852 | ttyflush(tp, FREAD|FWRITE); |
5db86c85 | 853 | (void) (*linesw[tp->t_line].l_modem)(tp, 0); |
d55465de SL |
854 | } |
855 | } | |
856 | ||
857 | mpclean(mb, port) | |
858 | register struct mblok *mb; | |
859 | int port; | |
860 | { | |
861 | register struct mpport *mp; | |
862 | register struct mpevent *ev; | |
863 | register int i; | |
5db86c85 | 864 | u_char list[2]; |
d55465de SL |
865 | int unit; |
866 | ||
867 | mp = &mb->mb_port[port]; | |
868 | unit = mb->mb_unit; | |
869 | for (i = mp->mp_off; i != mp->mp_on; i = (i+1 % MPINSET)) { | |
870 | ev = &mp->mp_recvq[i]; | |
871 | ev->ev_error = ENXIO; | |
872 | ev->ev_status = EVSTATUS_DONE; | |
873 | } | |
874 | list[0] = port, list[1] = MPPORT_EOL; | |
875 | mpxintr(unit, list); | |
876 | mprintr(unit, list); | |
877 | /* Clear async for port */ | |
878 | mp->mp_proto = MPPROTO_UNUSED; | |
879 | mp->mp_flags = 0; | |
880 | mp->mp_on = 0; | |
881 | mp->mp_off = 0; | |
882 | mp->mp_nextrcv = 0; | |
883 | ||
884 | mp_tty[unit*MPCHUNK + port].t_state = 0; | |
885 | for (ev = &mp->mp_sendq[0]; ev < &mp->mp_sendq[MPOUTSET]; ev++) { | |
886 | ev->ev_status = EVSTATUS_FREE; | |
887 | ev->ev_cmd = 0; | |
888 | ev->ev_error = 0; | |
889 | ev->ev_un.rcvblk = 0; | |
890 | ev->ev_params = 0; | |
891 | } | |
892 | for (ev = &mp->mp_recvq[0]; ev < &mp->mp_recvq[MPINSET]; ev++) { | |
893 | ev->ev_status = EVSTATUS_FREE; | |
894 | ev->ev_cmd = 0; | |
895 | ev->ev_error = 0; | |
896 | ev->ev_params = 0; | |
897 | } | |
898 | } | |
899 | ||
900 | /* | |
901 | * MPCC interrupt handler. | |
902 | */ | |
903 | mpintr(mpcc) | |
904 | int mpcc; | |
905 | { | |
906 | register struct mblok *mb; | |
907 | register struct his *his; | |
d55465de SL |
908 | |
909 | mb = mp_softc[mpcc].ms_mb; | |
910 | if (mb == 0) { | |
911 | printf("mp%d: stray interrupt\n", mpcc); | |
912 | return; | |
913 | } | |
914 | his = &mb->mb_hostint; | |
915 | his->semaphore &= ~MPSEMA_AVAILABLE; | |
916 | /* | |
917 | * Check for events to be processed. | |
918 | */ | |
919 | if (his->proto[MPPROTO_ASYNC].outbdone[0] != MPPORT_EOL) | |
920 | mprintr(mpcc, his->proto[MPPROTO_ASYNC].outbdone); | |
921 | if (his->proto[MPPROTO_ASYNC].inbdone[0] != MPPORT_EOL) | |
922 | mpxintr(mpcc, his->proto[MPPROTO_ASYNC].inbdone); | |
923 | if (mb->mb_harderr || mb->mb_softerr) | |
924 | mperror(mb, mpcc); | |
925 | his->semaphore |= MPSEMA_AVAILABLE; | |
926 | } | |
927 | ||
928 | /* | |
929 | * Handler for processing completion of transmitted events. | |
930 | */ | |
931 | mpxintr(unit, list) | |
5db86c85 | 932 | register u_char *list; |
d55465de SL |
933 | { |
934 | register struct mpport *mp; | |
935 | register struct mpevent *ev; | |
936 | register struct mblok *mb; | |
937 | register struct tty *tp; | |
938 | register struct asyncparam *ap; | |
939 | struct mpsoftc *ms; | |
940 | int port, i, j; | |
255871c5 | 941 | # define nextevent(mp) &mp->mp_recvq[mp->mp_off] |
d55465de SL |
942 | |
943 | ms = &mp_softc[unit]; | |
944 | mb = mp_softc[unit].ms_mb; | |
945 | for (j = 0; j < MPMAXPORT && ((port = *list++) != MPPORT_EOL); j++) { | |
946 | /* | |
947 | * Process each completed entry in the inbound queue. | |
948 | */ | |
949 | mp = &mb->mb_port[port]; | |
950 | tp = &mp_tty[unit*MPCHUNK + port]; | |
d55465de | 951 | ev = nextevent(mp); |
255871c5 | 952 | for (; ev->ev_status & EVSTATUS_DONE; ev = nextevent(mp)) { |
d55465de SL |
953 | /* YUCK */ |
954 | ap = &ms->ms_async[port][mp->mp_off]; | |
5db86c85 | 955 | mppurge((caddr_t)ap, (int)sizeof (*ap)); |
d55465de SL |
956 | switch (ev->ev_cmd) { |
957 | case EVCMD_OPEN: | |
958 | /* | |
959 | * Open completion, start all reads and | |
960 | * assert modem status information. | |
961 | */ | |
962 | for (i = 0; i < MPOUTSET; i++) | |
963 | mp->mp_sendq[i].ev_status = EVSTATUS_GO; | |
964 | (*linesw[tp->t_line].l_modem) | |
965 | (tp, ap->ap_modem.mc_dcd == ASSERT); | |
255871c5 KB |
966 | mp_freein(ev); |
967 | adjptr(mp->mp_off, MPINSET); | |
968 | mp->mp_proto = MPPROTO_ASYNC; /* XXX */ | |
969 | wakeup((caddr_t)&tp->t_canq); | |
d55465de SL |
970 | break; |
971 | case EVCMD_CLOSE: | |
972 | /* | |
973 | * Close completion, flush all pending | |
974 | * transmissions, free resources, and | |
975 | * cleanup mpcc port state. | |
976 | */ | |
977 | for (i = 0; i < MPOUTSET; i++) { | |
978 | mp->mp_sendq[i].ev_status = | |
979 | EVSTATUS_FREE; | |
980 | mp->mp_sendq[i].ev_un.rcvblk = 0; | |
981 | mp->mp_sendq[i].ev_params = 0; | |
982 | } | |
255871c5 KB |
983 | mp_freein(ev); |
984 | adjptr(mp->mp_off, MPINSET); | |
985 | tp->t_state &= ~(TS_CARR_ON|TS_BUSY|TS_FLUSH); | |
d55465de SL |
986 | mp->mp_on = mp->mp_off = mp->mp_nextrcv = 0; |
987 | mp->mp_flags &= ~MP_PROGRESS; | |
988 | mp->mp_proto = MPPROTO_UNUSED; | |
30a58bac | 989 | wakeup((caddr_t)&tp->t_canq); |
255871c5 | 990 | break; |
d55465de | 991 | case EVCMD_IOCTL: |
255871c5 KB |
992 | mp_freein(ev); |
993 | adjptr(mp->mp_off, MPINSET); | |
994 | mp->mp_flags &= ~MP_IOCTL; | |
995 | wakeup((caddr_t)&tp->t_canq); | |
d55465de SL |
996 | break; |
997 | case EVCMD_WRITE: | |
998 | /* | |
999 | * Transmission completed, update tty | |
1000 | * state and restart output. | |
1001 | */ | |
255871c5 KB |
1002 | if (ev->ev_opts != A_FLUSH) { |
1003 | tp->t_state &= ~TS_BUSY; | |
1004 | if (tp->t_state & TS_FLUSH) | |
1005 | tp->t_state &= ~TS_FLUSH; | |
1006 | else { | |
1007 | register int cc = 0, n; | |
1008 | struct hxmtl *hxp; | |
d55465de | 1009 | |
255871c5 KB |
1010 | hxp = &ms->ms_hxl[port]; |
1011 | for (n=0;n < ev->ev_count; n++) | |
1012 | cc += hxp->size[n]; | |
1013 | ndflush(&tp->t_outq, cc); | |
1014 | } | |
d55465de SL |
1015 | } |
1016 | switch (ev->ev_error) { | |
1017 | case A_SIZERR: /*# error in xmt data size */ | |
1018 | mplog(unit, port, A_XSIZE, 0); | |
1019 | break; | |
1020 | case A_NXBERR: /*# no more xmt evt buffers */ | |
1021 | mplog(unit, port, A_NOXBUF, 0); | |
1022 | break; | |
1023 | } | |
255871c5 KB |
1024 | mp_freein(ev); |
1025 | adjptr(mp->mp_off, MPINSET); | |
d55465de SL |
1026 | mpstart(tp); |
1027 | break; | |
1028 | default: | |
5db86c85 | 1029 | mplog(unit, port, A_INVCMD, (int)ev->ev_cmd); |
255871c5 KB |
1030 | mp_freein(ev); |
1031 | adjptr(mp->mp_off, MPINSET); | |
d55465de SL |
1032 | break; |
1033 | } | |
d55465de | 1034 | } |
d55465de | 1035 | } |
255871c5 KB |
1036 | #undef nextevent |
1037 | } | |
1038 | ||
1039 | mp_freein(ev) | |
1040 | register struct mpevent *ev; | |
1041 | { | |
1042 | /* re-init all values in this entry */ | |
1043 | ev->ev_cmd = 0; | |
1044 | ev->ev_opts = 0; | |
1045 | ev->ev_error = 0; | |
1046 | ev->ev_flags = 0; | |
1047 | ev->ev_count = 0; | |
1048 | /* show this entry is available for use */ | |
1049 | ev->ev_status = EVSTATUS_FREE; | |
d55465de SL |
1050 | } |
1051 | ||
1052 | /* | |
1053 | * Handler for processing received events. | |
1054 | */ | |
1055 | mprintr(unit, list) | |
5db86c85 | 1056 | u_char *list; |
d55465de SL |
1057 | { |
1058 | register struct tty *tp; | |
1059 | register struct mpport *mp; | |
1060 | register struct mpevent *ev; | |
1061 | struct mblok *mb; | |
1062 | register int cc; | |
1063 | register char *cp; | |
1064 | struct mpsoftc *ms; | |
1065 | caddr_t ptr; | |
1066 | char *rcverr; | |
1067 | int port, i; | |
1068 | ||
1069 | ms = &mp_softc[unit]; | |
1070 | mb = mp_softc[unit].ms_mb; | |
1071 | for (i = 0; i < MPMAXPORT && (port = *list++) != MPPORT_EOL; i++) { | |
1072 | tp = &mp_tty[unit*MPCHUNK + port]; | |
1073 | mp = &mb->mb_port[port]; | |
1074 | ev = &mp->mp_sendq[mp->mp_nextrcv]; | |
1075 | while (ev->ev_status & EVSTATUS_DONE) { | |
255871c5 KB |
1076 | switch(ev->ev_cmd) { |
1077 | case EVCMD_STATUS: | |
d55465de SL |
1078 | /* |
1079 | * Status change, look for carrier changes. | |
1080 | */ | |
255871c5 KB |
1081 | switch(ev->ev_opts) { |
1082 | case DCDASRT: | |
1083 | (*linesw[tp->t_line].l_modem)(tp, 1); | |
1084 | wakeup((caddr_t)&tp->t_canq); | |
1085 | break; | |
1086 | case DCDDROP: | |
1087 | (*linesw[tp->t_line].l_modem)(tp, 0); | |
1088 | wakeup((caddr_t)&tp->t_canq); | |
1089 | break; | |
1090 | case NORBUF: | |
1091 | case NOEBUF: | |
1092 | mplog(unit, port, | |
1093 | "out of receive events", 0); | |
1094 | break; | |
1095 | default: | |
d55465de SL |
1096 | mplog(unit, port, |
1097 | "unexpect status command", | |
5db86c85 | 1098 | (int)ev->ev_opts); |
255871c5 KB |
1099 | break; |
1100 | } | |
d55465de | 1101 | break; |
255871c5 KB |
1102 | case EVCMD_READ: |
1103 | /* | |
1104 | * Process received data. | |
1105 | */ | |
1106 | if ((tp->t_state & TS_ISOPEN) == 0) { | |
1107 | wakeup((caddr_t)&tp->t_rawq); | |
1108 | break; | |
1109 | } | |
1110 | if ((cc = ev->ev_count) == 0) | |
1111 | break; | |
1112 | cp = ms->ms_cbuf[port][mp->mp_nextrcv]; | |
1113 | mppurge(cp, CBSIZE); | |
1114 | while (cc-- > 0) { | |
1115 | /* | |
1116 | * A null character is inserted, | |
1117 | * potentially when a break or framing | |
1118 | * error occurs. If we're not in raw | |
1119 | * mode, substitute the interrupt | |
1120 | * character. | |
1121 | */ | |
240fb450 | 1122 | /*** XXX - FIXUP ***/ |
255871c5 KB |
1123 | if (*cp == 0 && |
1124 | (ev->ev_error == BRKASRT || | |
1125 | ev->ev_error == FRAMERR)) | |
1126 | if ((tp->t_flags&RAW) == 0) | |
240fb450 MT |
1127 | ; |
1128 | /* XXX was break */ | |
255871c5 KB |
1129 | (*linesw[tp->t_line].l_rint)(*cp++, tp); |
1130 | } | |
1131 | /* setup for next read */ | |
1132 | ptr = (caddr_t)&mp_softc[unit].ms_cbuf[port][mp->mp_nextrcv][0]; | |
1133 | ev->ev_un.rcvblk = (u_char *)kvtophys(ptr); | |
1134 | ev->ev_params = (caddr_t) kvtophys(ptr); | |
1135 | switch(ev->ev_error) { | |
1136 | case RCVDTA: | |
1137 | /* Normal (good) rcv data do not | |
1138 | * report the following they are | |
1139 | * "normal" errors | |
1140 | */ | |
1141 | case FRAMERR: | |
1142 | /* frame error */ | |
1143 | case BRKASRT: | |
1144 | /* Break condition */ | |
1145 | case PARERR: | |
1146 | /* parity error */ | |
1147 | rcverr = (char *)0; | |
1148 | break; | |
1149 | case OVRNERR: | |
1150 | /* Overrun error */ | |
1151 | rcverr = "overrun error"; | |
1152 | break; | |
1153 | case OVFERR: | |
1154 | /* Overflow error */ | |
1155 | rcverr = "overflow error"; | |
1156 | break; | |
1157 | default: | |
1158 | rcverr = "undefined rcv error"; | |
1159 | break; | |
1160 | } | |
1161 | if (rcverr != (char *)0) | |
1162 | mplog(unit, port, rcverr, | |
1163 | (int)ev->ev_error); | |
d55465de SL |
1164 | break; |
1165 | default: | |
255871c5 KB |
1166 | mplog(unit, port, "unexpected command", |
1167 | (int)ev->ev_cmd); | |
1168 | break; | |
d55465de | 1169 | } |
d55465de SL |
1170 | ev->ev_cmd = 0; |
1171 | ev->ev_opts = 0; | |
1172 | ev->ev_error = 0; | |
1173 | ev->ev_flags = 0; | |
255871c5 | 1174 | ev->ev_count = 0; |
d55465de SL |
1175 | ev->ev_status = EVSTATUS_GO; /* start next read */ |
1176 | adjptr(mp->mp_nextrcv, MPOUTSET); | |
1177 | ev = &mp->mp_sendq[mp->mp_nextrcv]; | |
1178 | } | |
1179 | } | |
1180 | } | |
1181 | ||
1182 | /* | |
1183 | * Log an mpcc diagnostic. | |
1184 | */ | |
1185 | mplog(unit, port, cp, flags) | |
1186 | char *cp; | |
1187 | { | |
1188 | ||
1189 | if (flags) | |
1190 | log(LOG_ERR, "mp%d: port%d, %s (%d)\n", | |
1191 | unit, port, cp, flags); | |
1192 | else | |
1193 | log(LOG_ERR, "mp%d: port%d, %s\n", unit, port, cp); | |
1194 | } | |
1195 | ||
1196 | int MPHOSTINT = 1; | |
1197 | ||
1198 | mptimeint(mb) | |
1199 | register struct mblok *mb; | |
1200 | { | |
1201 | ||
1202 | mb->mb_mpintcnt = 0; | |
1203 | mb->mb_mpintclk = (caddr_t)0; | |
1204 | *(u_short *)mpinfo[mb->mb_unit]->ui_addr = 2; | |
1205 | } | |
1206 | ||
1207 | /* | |
1208 | * Interupt mpcc | |
1209 | */ | |
1210 | mpintmpcc(mb, port) | |
1211 | register struct mblok *mb; | |
d55465de SL |
1212 | { |
1213 | ||
1214 | mb->mb_intr[port] |= MPSEMA_WORK; | |
1215 | if (++mb->mb_mpintcnt == MPHOSTINT) { | |
1216 | mb->mb_mpintcnt = 0; | |
1217 | *(u_short *)mpinfo[mb->mb_unit]->ui_addr = 2; | |
1218 | if (mb->mb_mpintclk) { | |
5db86c85 | 1219 | untimeout(mptimeint, (caddr_t)mb); |
d55465de SL |
1220 | mb->mb_mpintclk = 0; |
1221 | } | |
1222 | } else { | |
1223 | if (mb->mb_mpintclk == 0) { | |
5db86c85 | 1224 | timeout(mptimeint, (caddr_t)mb, 4); |
d55465de SL |
1225 | mb->mb_mpintclk = (caddr_t)1; |
1226 | } | |
1227 | } | |
1228 | } | |
1229 | ||
1230 | static char *mpherrmsg[] = { | |
1231 | "", | |
1232 | "Bus error", /* MPBUSERR */ | |
1233 | "Address error", /* ADDRERR */ | |
1234 | "Undefined ecc interrupt", /* UNDECC */ | |
1235 | "Undefined interrupt", /* UNDINT */ | |
1236 | "Power failure occurred", /* PWRFL */ | |
1237 | "Stray transmit done interrupt", /* NOXENTRY */ | |
1238 | "Two fast timers on one port", /* TWOFTMRS */ | |
1239 | "Interrupt queue full", /* INTQFULL */ | |
1240 | "Interrupt queue ack error", /* INTQERR */ | |
1241 | "Uncorrectable dma parity error", /* CBPERR */ | |
1242 | "32 port ACAP failed power up", /* ACPDEAD */ | |
1243 | }; | |
1244 | #define NHERRS (sizeof (mpherrmsg) / sizeof (mpherrmsg[0])) | |
1245 | ||
1246 | mperror(mb, unit) | |
1247 | register struct mblok *mb; | |
1248 | int unit; | |
1249 | { | |
1250 | register char *cp; | |
1251 | register int i; | |
1252 | ||
1253 | if (mb->mb_softerr) { | |
1254 | switch (mb->mb_softerr) { | |
1255 | case DMAPERR: /* dma parity error */ | |
1256 | cp = "dma parity error"; | |
1257 | break; | |
1258 | case ECCERR: | |
1259 | cp = "local memory ecc error"; | |
1260 | break; | |
1261 | default: | |
1262 | cp = "unknown error"; | |
1263 | break; | |
1264 | } | |
1265 | log(LOG_ERR, "mp%d: soft error, %s", unit, cp); | |
1266 | mb->mb_softerr = 0; | |
1267 | } | |
1268 | if (mb->mb_harderr) { | |
1269 | if (mb->mb_harderr < NHERRS) | |
1270 | cp = mpherrmsg[mb->mb_harderr]; | |
1271 | else | |
1272 | cp = "unknown error"; | |
1273 | log(LOG_ERR, "mp%d: hard error, %s", unit, cp); | |
1274 | if (mb->mb_status == MP_OPOPEN) { | |
1275 | for (i = 0; i < MPMAXPORT; i++) { | |
1276 | mpcleanport(mb, i); | |
1277 | mb->mb_proto[i] = MPPROTO_UNUSED; | |
1278 | } | |
1279 | } | |
1280 | mb->mb_harderr = 0; | |
1281 | mb->mb_status = 0; | |
1282 | } | |
1283 | } | |
1284 | ||
1285 | mppurge(addr, cc) | |
1286 | register caddr_t addr; | |
1287 | register int cc; | |
1288 | { | |
1289 | ||
1290 | for (; cc >= 0; addr += NBPG, cc -= NBPG) | |
1291 | mtpr(P1DC, addr); | |
1292 | } | |
1293 | ||
1294 | /* | |
1295 | * MPCC Download Pseudo-device. | |
1296 | */ | |
1297 | char mpdlbuf[MPDLBUFSIZE]; | |
1298 | int mpdlbusy; /* interlock on download buffer */ | |
1299 | int mpdlerr; | |
1300 | ||
1301 | mpdlopen(dev) | |
1302 | dev_t dev; | |
1303 | { | |
1304 | int unit, mpu; | |
1305 | struct vba_device *vi; | |
1306 | ||
1307 | unit = minor(dev); | |
1308 | mpu = MPUNIT(unit); | |
1309 | if (mpu >= NMP || (vi = mpinfo[mpu]) == 0 || vi->ui_alive == 0) | |
1310 | return (ENODEV); | |
1311 | return (0); | |
1312 | } | |
1313 | ||
1314 | mpdlwrite(dev, uio) | |
1315 | dev_t dev; | |
1316 | struct uio *uio; | |
1317 | { | |
1318 | register struct mpsoftc *ms = &mp_softc[MPUNIT(minor(dev))]; | |
1319 | register struct mpdl *dl; | |
1320 | int error; | |
1321 | ||
1322 | if (ms->ms_mb == 0 || ms->ms_mb->mb_status != MP_DLOPEN) | |
1323 | return (EFAULT); | |
1324 | dl = &ms->ms_mb->mb_dl; | |
1325 | dl->mpdl_count = uio->uio_iov->iov_len; | |
5db86c85 | 1326 | dl->mpdl_data = (caddr_t) kvtophys(mpdlbuf); |
d09985e2 | 1327 | if (error = uiomove(mpdlbuf, (int)dl->mpdl_count, uio)) |
d55465de SL |
1328 | return (error); |
1329 | uio->uio_resid -= dl->mpdl_count; /* set up return from write */ | |
1330 | dl->mpdl_cmd = MPDLCMD_NORMAL; | |
1331 | error = mpdlwait(dl); | |
1332 | return (error); | |
1333 | } | |
1334 | ||
1335 | mpdlclose(dev) | |
1336 | dev_t dev; | |
1337 | { | |
1338 | register struct mblok *mb = mp_softc[MPUNIT(minor(dev))].ms_mb; | |
d55465de SL |
1339 | |
1340 | if (mb == 0 || mb->mb_status != MP_DLDONE) { | |
1341 | mpbogus.status = 0; | |
1342 | if (mpbogus.mb == mpbogus.mbloks[MPUNIT(minor(dev))]) | |
1343 | mpdlbusy--; | |
1344 | return (EEXIST); | |
1345 | } | |
1346 | mb->mb_status = MP_OPOPEN; | |
1347 | mpbogus.status = 0; | |
1348 | /* set to dead, for board handshake */ | |
1349 | mb->mb_hostint.imok = MPIMOK_DEAD; | |
1350 | return (0); | |
1351 | } | |
1352 | ||
5db86c85 | 1353 | /* ARGSUSED */ |
d55465de SL |
1354 | mpdlioctl(dev, cmd, data, flag) |
1355 | dev_t dev; | |
1356 | caddr_t data; | |
1357 | { | |
1358 | register struct mblok *mb; | |
1359 | register struct mpdl *dl; | |
0658cf79 | 1360 | int unit, error = 0, s, i; |
d55465de SL |
1361 | |
1362 | mb = mp_softc[unit=MPUNIT(minor(dev))].ms_mb; | |
1363 | if (mb == 0) | |
0658cf79 | 1364 | return (EEXIST); |
d55465de SL |
1365 | dl = &mb->mb_dl; |
1366 | error = 0; | |
1367 | switch (cmd) { | |
1368 | case MPIOPORTMAP: | |
1369 | bcopy(data, (caddr_t)mb->mb_proto, sizeof (mb->mb_proto)); | |
1370 | break; | |
1371 | case MPIOHILO: | |
1372 | bcopy(data, (caddr_t)&mb->mb_hiport, 2*(sizeof(mb->mb_hiport))); | |
1373 | break; | |
1374 | case MPIOENDDL: | |
1375 | dl->mpdl_count = 0; | |
1376 | dl->mpdl_data = 0; | |
1377 | dl->mpdl_cmd = MPIOENDDL&IOCPARM_MASK; | |
1378 | error = mpdlwait(dl); | |
1379 | mpccinit(unit); | |
1380 | mb->mb_status = MP_DLDONE; | |
1381 | mpdlbusy--; | |
1382 | break; | |
1383 | case MPIOENDCODE: | |
1384 | dl->mpdl_count = 0; | |
1385 | dl->mpdl_data = 0; | |
1386 | dl->mpdl_cmd = MPIOENDCODE&IOCPARM_MASK; | |
1387 | error = mpdlwait(dl); | |
1388 | break; | |
1389 | case MPIOASYNCNF: | |
1390 | bcopy(data, mpdlbuf, sizeof (struct abdcf)); | |
5db86c85 | 1391 | dl->mpdl_data = (caddr_t) kvtophys(mpdlbuf); |
d55465de SL |
1392 | dl->mpdl_count = sizeof (struct abdcf); |
1393 | dl->mpdl_cmd = MPIOASYNCNF&IOCPARM_MASK; | |
1394 | error = mpdlwait(dl); | |
1395 | break; | |
1396 | case MPIOSTARTDL: | |
0658cf79 | 1397 | s = spl8(); |
d55465de | 1398 | while (mpdlbusy) |
0658cf79 MK |
1399 | if (error = tsleep((caddr_t)&mpdlbusy, |
1400 | (PZERO+1) | PCATCH, devioc, 0)) | |
1401 | break; | |
1402 | splx(s); | |
1403 | if (error) | |
1404 | break; | |
d55465de SL |
1405 | mpdlbusy++; |
1406 | /* initialize the downloading interface */ | |
1407 | mpbogus.magic = MPMAGIC; | |
1408 | mpbogus.mb = mpbogus.mbloks[unit]; | |
1409 | mpbogus.status = 1; | |
1410 | dl->mpdl_status = EVSTATUS_FREE; | |
1411 | dl->mpdl_count = 0; | |
1412 | dl->mpdl_cmd = 0; | |
1413 | dl->mpdl_data = (char *) 0; | |
1414 | mpdlerr = 0; | |
1415 | mb->mb_magic = MPMAGIC; | |
1416 | mb->mb_ivec = mp_softc[unit].ms_ivec+1; /* download vector */ | |
1417 | mb->mb_status = MP_DLPEND; | |
1418 | mb->mb_diagswitch[0] = 'A'; | |
1419 | mb->mb_diagswitch[1] = 'P'; | |
1420 | s = spl8(); | |
1421 | *(u_short *)mpinfo[unit]->ui_addr = 2; | |
0658cf79 MK |
1422 | error = tsleep((caddr_t)&mb->mb_status, (PZERO+1) | PCATCH, |
1423 | devio, 30*hz); | |
d55465de | 1424 | splx(s); |
0658cf79 | 1425 | if (error == EWOULDBLOCK) |
d55465de | 1426 | error = ETIMEDOUT; |
0658cf79 | 1427 | if (error) |
d55465de | 1428 | mpbogus.status = 0; |
5db86c85 | 1429 | bzero((caddr_t)mb->mb_port, sizeof (mb->mb_port)); |
d55465de SL |
1430 | break; |
1431 | case MPIORESETBOARD: | |
1432 | s = spl8(); | |
1433 | if (mb->mb_imokclk) | |
1434 | mb->mb_imokclk = 0; | |
1435 | *(u_short *)mpinfo[unit]->ui_addr = 0x100; | |
1436 | if (mb->mb_status == MP_DLOPEN || mb->mb_status == MP_DLDONE) { | |
1437 | mpdlerr = MP_DLERROR; | |
1438 | dl->mpdl_status = EVSTATUS_FREE; | |
1439 | wakeup((caddr_t)&dl->mpdl_status); | |
1440 | mpbogus.status = 0; | |
1441 | } | |
1442 | for (i = 0; i < MPMAXPORT; i++) { | |
1443 | if (mb->mb_harderr || mb->mb_softerr) | |
1444 | mperror(mb, i); | |
1445 | mpcleanport(mb, i); | |
1446 | mb->mb_proto[i] = MPPROTO_UNUSED; | |
1447 | } | |
1448 | mb->mb_status = 0; | |
1449 | splx(s); | |
1450 | break; | |
1451 | default: | |
1452 | error = EINVAL; | |
1453 | break; | |
1454 | } | |
1455 | return (error); | |
1456 | } | |
1457 | ||
1458 | mpccinit(unit) | |
1459 | int unit; | |
1460 | { | |
1461 | register struct mblok *mb = mp_softc[unit].ms_mb; | |
1462 | register struct his *his; | |
1463 | register int i, j; | |
1464 | ||
1465 | mb->mb_status = MP_DLDONE; | |
1466 | mb->mb_ivec = mp_softc[unit].ms_ivec; | |
1467 | mb->mb_magic = MPMAGIC; | |
1468 | /* Init host interface structure */ | |
1469 | his = &mb->mb_hostint; | |
1470 | his->semaphore = MPSEMA_AVAILABLE; | |
1471 | for (i = 0; i < NMPPROTO; i++) | |
1472 | for (j = 0; j < MPMAXPORT; j++) { | |
1473 | his->proto[i].inbdone[j] = MPPORT_EOL; | |
1474 | his->proto[i].outbdone[j] = MPPORT_EOL; | |
1475 | } | |
1476 | mb->mb_unit = unit; | |
1477 | } | |
1478 | ||
1479 | mpdlintr(mpcc) | |
1480 | int mpcc; | |
1481 | { | |
1482 | register struct mblok *mb; | |
1483 | register struct mpdl *dl; | |
1484 | ||
1485 | mb = mp_softc[mpcc].ms_mb; | |
1486 | if (mb == 0) { | |
1487 | printf("mp%d: stray download interrupt\n", mpcc); | |
1488 | return; | |
1489 | } | |
1490 | dl = &mb->mb_dl; | |
1491 | switch (mb->mb_status) { | |
1492 | case MP_DLOPEN: | |
1493 | if (dl->mpdl_status != EVSTATUS_DONE) | |
1494 | mpdlerr = MP_DLERROR; | |
1495 | dl->mpdl_status = EVSTATUS_FREE; | |
1496 | wakeup((caddr_t)&dl->mpdl_status); | |
1497 | return; | |
1498 | case MP_DLPEND: | |
1499 | mb->mb_status = MP_DLOPEN; | |
5db86c85 | 1500 | wakeup((caddr_t)&mb->mb_status); |
d55465de SL |
1501 | /* fall thru... */ |
1502 | case MP_DLTIME: | |
1503 | return; | |
1504 | case MP_OPOPEN: | |
1505 | if (mb->mb_imokclk) | |
1506 | mb->mb_imokclk = 0; | |
1507 | mb->mb_nointcnt = 0; /* reset no interrupt count */ | |
1508 | mb->mb_hostint.imok = MPIMOK_DEAD; | |
1509 | mb->mb_imokclk = (caddr_t)1; | |
1510 | break; | |
1511 | default: | |
1512 | log(LOG_ERR, "mp%d: mpdlintr, status %x\n", | |
1513 | mpcc, mb->mb_status); | |
1514 | break; | |
1515 | } | |
1516 | } | |
1517 | ||
d55465de SL |
1518 | /* |
1519 | * Wait for a transfer to complete or a timeout to occur. | |
1520 | */ | |
1521 | mpdlwait(dl) | |
1522 | register struct mpdl *dl; | |
1523 | { | |
1524 | int s, error = 0; | |
1525 | ||
1526 | s = spl8(); | |
1527 | dl->mpdl_status = EVSTATUS_GO; | |
1528 | while (dl->mpdl_status != EVSTATUS_FREE) { | |
0658cf79 MK |
1529 | error = tsleep((caddr_t)&dl->mpdl_status, (PZERO+1) | PCATCH, |
1530 | devout, 0); | |
d55465de SL |
1531 | if (mpdlerr == MP_DLERROR) |
1532 | error = EIO; | |
0658cf79 MK |
1533 | if (error) |
1534 | break; | |
d55465de SL |
1535 | } |
1536 | splx(s); | |
1537 | return (error); | |
1538 | } | |
1539 | #endif |