Commit | Line | Data |
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da7c5cc6 | 1 | /* |
23a28927 KB |
2 | * Copyright (c) 1987 Regents of the University of California. |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | * | |
f9441261 | 6 | * @(#)uda.c 7.11 (Berkeley) %G% |
23a28927 | 7 | * |
da7c5cc6 KM |
8 | */ |
9 | ||
23a28927 KB |
10 | /* |
11 | * UDA50/MSCP device driver | |
12 | */ | |
13 | ||
14 | #define POLLSTATS | |
15 | ||
16 | /* | |
17 | * TODO | |
18 | * write bad block forwarding code | |
2f961121 | 19 | */ |
db738443 BJ |
20 | |
21 | #include "ra.h" | |
23a28927 | 22 | |
e4b02d7d | 23 | #if NUDA > 0 |
23a28927 | 24 | |
db738443 | 25 | /* |
23a28927 KB |
26 | * CONFIGURATION OPTIONS. The next three defines are tunable -- tune away! |
27 | * | |
28 | * COMPAT_42 enables 4.2/4.3 compatibility (label mapping) | |
db738443 | 29 | * |
23a28927 KB |
30 | * NRSPL2 and NCMDL2 control the number of response and command |
31 | * packets respectively. They may be any value from 0 to 7, though | |
32 | * setting them higher than 5 is unlikely to be of any value. | |
33 | * If you get warnings about your command ring being too small, | |
34 | * try increasing the values by one. | |
35 | * | |
36 | * MAXUNIT controls the maximum unit number (number of drives per | |
37 | * controller) we are prepared to handle. | |
38 | * | |
39 | * DEFAULT_BURST must be at least 1. | |
db738443 | 40 | */ |
23a28927 KB |
41 | #define COMPAT_42 |
42 | ||
43 | #define NRSPL2 5 /* log2 number of response packets */ | |
44 | #define NCMDL2 5 /* log2 number of command packets */ | |
45 | #define MAXUNIT 8 /* maximum allowed unit number */ | |
46 | #define DEFAULT_BURST 4 /* default DMA burst size */ | |
47 | ||
961945a8 | 48 | #include "../machine/pte.h" |
db738443 | 49 | |
2f961121 MK |
50 | #include "param.h" |
51 | #include "systm.h" | |
52 | #include "buf.h" | |
53 | #include "conf.h" | |
54 | #include "dir.h" | |
a4a97100 MK |
55 | #include "file.h" |
56 | #include "ioctl.h" | |
2f961121 MK |
57 | #include "user.h" |
58 | #include "map.h" | |
59 | #include "vm.h" | |
a4a97100 | 60 | #include "dkstat.h" |
2f961121 | 61 | #include "cmap.h" |
a4a97100 MK |
62 | #include "disklabel.h" |
63 | #include "syslog.h" | |
41a38591 | 64 | #include "stat.h" |
db738443 | 65 | |
896962b1 | 66 | #include "../vax/cpu.h" |
2f961121 MK |
67 | #include "ubareg.h" |
68 | #include "ubavar.h" | |
bc3a8383 | 69 | |
23a28927 KB |
70 | #define NRSP (1 << NRSPL2) |
71 | #define NCMD (1 << NCMDL2) | |
bc3a8383 | 72 | |
23a28927 | 73 | #include "udareg.h" |
896962b1 | 74 | #include "../vax/mscp.h" |
23a28927 KB |
75 | #include "../vax/mscpvar.h" |
76 | #include "../vax/mtpr.h" | |
db738443 | 77 | |
23a28927 KB |
78 | /* |
79 | * Backwards compatibility: Reuse the old names. Should fix someday. | |
80 | */ | |
81 | #define udaprobe udprobe | |
82 | #define udaslave udslave | |
83 | #define udaattach udattach | |
84 | #define udaopen udopen | |
85 | #define udaclose udclose | |
86 | #define udastrategy udstrategy | |
87 | #define udaread udread | |
88 | #define udawrite udwrite | |
89 | #define udaioctl udioctl | |
90 | #define udareset udreset | |
91 | #define udaintr udintr | |
92 | #define udadump uddump | |
93 | #define udasize udsize | |
2f961121 | 94 | |
23a28927 KB |
95 | /* |
96 | * UDA communications area and MSCP packet pools, per controller. | |
97 | */ | |
98 | struct uda { | |
99 | struct udaca uda_ca; /* communications area */ | |
100 | struct mscp uda_rsp[NRSP]; /* response packets */ | |
101 | struct mscp uda_cmd[NCMD]; /* command packets */ | |
db738443 BJ |
102 | } uda[NUDA]; |
103 | ||
23a28927 KB |
104 | /* |
105 | * Software status, per controller. | |
106 | */ | |
107 | struct uda_softc { | |
108 | struct uda *sc_uda; /* Unibus address of uda struct */ | |
109 | short sc_state; /* UDA50 state; see below */ | |
110 | short sc_flags; /* flags; see below */ | |
111 | int sc_micro; /* microcode revision */ | |
112 | int sc_ivec; /* interrupt vector address */ | |
113 | struct mscp_info sc_mi;/* MSCP info (per mscpvar.h) */ | |
114 | #ifndef POLLSTATS | |
115 | int sc_wticks; /* watchdog timer ticks */ | |
116 | #else | |
117 | short sc_wticks; | |
118 | short sc_ncmd; | |
119 | #endif | |
120 | } uda_softc[NUDA]; | |
2f961121 | 121 | |
23a28927 KB |
122 | #ifdef POLLSTATS |
123 | struct udastats { | |
124 | int ncmd; | |
125 | int cmd[NCMD + 1]; | |
126 | } udastats = { NCMD + 1 }; | |
127 | #endif | |
db738443 | 128 | |
23a28927 KB |
129 | /* |
130 | * Controller states | |
131 | */ | |
132 | #define ST_IDLE 0 /* uninitialised */ | |
133 | #define ST_STEP1 1 /* in `STEP 1' */ | |
134 | #define ST_STEP2 2 /* in `STEP 2' */ | |
135 | #define ST_STEP3 3 /* in `STEP 3' */ | |
136 | #define ST_SETCHAR 4 /* in `Set Controller Characteristics' */ | |
137 | #define ST_RUN 5 /* up and running */ | |
a8e727a7 | 138 | |
23a28927 KB |
139 | /* |
140 | * Flags | |
141 | */ | |
142 | #define SC_MAPPED 0x01 /* mapped in Unibus I/O space */ | |
143 | #define SC_INSTART 0x02 /* inside udastart() */ | |
144 | #define SC_GRIPED 0x04 /* griped about cmd ring too small */ | |
145 | #define SC_INSLAVE 0x08 /* inside udaslave() */ | |
146 | #define SC_DOWAKE 0x10 /* wakeup when ctlr init done */ | |
147 | #define SC_STARTPOLL 0x20 /* need to initiate polling */ | |
db738443 | 148 | |
23a28927 KB |
149 | /* |
150 | * Device to unit number and partition and back | |
151 | */ | |
152 | #define UNITSHIFT 3 | |
153 | #define UNITMASK 7 | |
154 | #define udaunit(dev) (minor(dev) >> UNITSHIFT) | |
155 | #define udapart(dev) (minor(dev) & UNITMASK) | |
156 | #define udaminor(u, p) (((u) << UNITSHIFT) | (p)) | |
db738443 | 157 | |
2f961121 | 158 | /* |
23a28927 | 159 | * Drive status, per drive |
2f961121 | 160 | */ |
23a28927 KB |
161 | struct ra_info { |
162 | daddr_t ra_dsize; /* size in sectors */ | |
163 | u_long ra_type; /* drive type */ | |
f9441261 | 164 | #define RA_TYPE_RX50 7 /* special: see udaopen */ |
23a28927 KB |
165 | u_long ra_mediaid; /* media id */ |
166 | int ra_state; /* open/closed state */ | |
167 | struct ra_geom { /* geometry information */ | |
168 | u_short rg_nsectors; /* sectors/track */ | |
169 | u_short rg_ngroups; /* track groups */ | |
170 | u_short rg_ngpc; /* groups/cylinder */ | |
171 | u_short rg_ntracks; /* ngroups*ngpc */ | |
172 | u_short rg_ncyl; /* ra_dsize/ntracks/nsectors */ | |
173 | #ifdef notyet | |
174 | u_short rg_rctsize; /* size of rct */ | |
175 | u_short rg_rbns; /* replacement blocks per track */ | |
176 | u_short rg_nrct; /* number of rct copies */ | |
177 | #endif | |
178 | } ra_geom; | |
179 | u_long ra_openpart; /* partitions open */ | |
180 | u_long ra_bopenpart; /* block partitions open */ | |
181 | u_long ra_copenpart; /* character partitions open */ | |
182 | } ra_info[NRA]; | |
2f961121 | 183 | |
a4a97100 MK |
184 | /* |
185 | * Software state, per drive | |
186 | */ | |
187 | #define CLOSED 0 | |
188 | #define WANTOPEN 1 | |
189 | #define RDLABEL 2 | |
190 | #define OPEN 3 | |
191 | #define OPENRAW 4 | |
2f961121 | 192 | |
23a28927 KB |
193 | /* |
194 | * Definition of the driver for autoconf. | |
195 | */ | |
196 | int udaprobe(), udaslave(), udaattach(), udadgo(), udaintr(); | |
197 | struct uba_ctlr *udaminfo[NUDA]; | |
198 | struct uba_device *udadinfo[NRA]; | |
199 | struct disklabel udalabel[NRA]; | |
200 | ||
201 | u_short udastd[] = { 0772150, 0772550, 0777550, 0 }; | |
202 | struct uba_driver udadriver = | |
203 | { udaprobe, udaslave, udaattach, udadgo, udastd, "ra", udadinfo, "uda", | |
204 | udaminfo }; | |
205 | ||
206 | /* | |
207 | * More driver definitions, for generic MSCP code. | |
208 | */ | |
209 | int udadgram(), udactlrdone(), udaunconf(), udaiodone(); | |
210 | int udaonline(), udagotstatus(), udaioerror(), udareplace(), udabb(); | |
211 | ||
212 | struct buf udautab[NRA]; /* per drive transfer queue */ | |
213 | ||
214 | struct mscp_driver udamscpdriver = | |
215 | { MAXUNIT, NRA, UNITSHIFT, udautab, udadinfo, | |
216 | udadgram, udactlrdone, udaunconf, udaiodone, | |
217 | udaonline, udagotstatus, udareplace, udaioerror, udabb, | |
218 | "uda", "ra" }; | |
219 | ||
220 | /* | |
221 | * Miscellaneous private variables. | |
222 | */ | |
223 | char udasr_bits[] = UDASR_BITS; | |
224 | ||
225 | struct uba_device *udaip[NUDA][MAXUNIT]; | |
226 | /* inverting pointers: ctlr & unit => Unibus | |
227 | device pointer */ | |
228 | ||
229 | int udaburst[NUDA] = { 0 }; /* burst size, per UDA50, zero => default; | |
230 | in data space so patchable via adb */ | |
2f961121 | 231 | |
23a28927 KB |
232 | struct mscp udaslavereply; /* get unit status response packet, set |
233 | for udaslave by udaunconf, via udaintr */ | |
2f961121 | 234 | |
23a28927 KB |
235 | static struct uba_ctlr *probeum;/* this is a hack---autoconf should pass ctlr |
236 | info to slave routine; instead, we remember | |
237 | the last ctlr argument to probe */ | |
db738443 | 238 | |
23a28927 | 239 | int udawstart, udawatch(); /* watchdog timer */ |
db738443 | 240 | |
23a28927 KB |
241 | /* |
242 | * Externals | |
243 | */ | |
244 | int wakeup(); | |
245 | int hz; | |
246 | ||
247 | /* | |
248 | * Poke at a supposed UDA50 to see if it is there. | |
249 | * This routine duplicates some of the code in udainit() only | |
250 | * because autoconf has not set up the right information yet. | |
251 | * We have to do everything `by hand'. | |
252 | */ | |
253 | udaprobe(reg, ctlr, um) | |
db738443 BJ |
254 | caddr_t reg; |
255 | int ctlr; | |
23a28927 | 256 | struct uba_ctlr *um; |
db738443 BJ |
257 | { |
258 | register int br, cvec; | |
23a28927 KB |
259 | register struct uda_softc *sc; |
260 | register struct udadevice *udaddr; | |
261 | register struct mscp_info *mi; | |
262 | int timeout, tries; | |
2f961121 | 263 | |
23a28927 KB |
264 | #ifdef VAX750 |
265 | /* | |
266 | * The UDA50 wants to share BDPs on 750s, but not on 780s or | |
267 | * 8600s. (730s have no BDPs anyway.) Toward this end, we | |
268 | * here set the `keep bdp' flag in the per-driver information | |
269 | * if this is a 750. (We just need to do it once, but it is | |
270 | * easiest to do it now, for each UDA50.) | |
271 | */ | |
272 | if (cpu == VAX_750) | |
273 | udadriver.ud_keepbdp = 1; | |
274 | #endif | |
db738443 | 275 | |
23a28927 | 276 | probeum = um; /* remember for udaslave() */ |
db738443 | 277 | #ifdef lint |
23a28927 | 278 | br = 0; cvec = br; br = cvec; udaintr(0); |
db738443 | 279 | #endif |
23a28927 KB |
280 | /* |
281 | * Set up the controller-specific generic MSCP driver info. | |
282 | * Note that this should really be done in the (nonexistent) | |
283 | * controller attach routine. | |
284 | */ | |
285 | sc = &uda_softc[ctlr]; | |
286 | mi = &sc->sc_mi; | |
287 | mi->mi_md = &udamscpdriver; | |
288 | mi->mi_ctlr = um->um_ctlr; | |
289 | mi->mi_tab = &um->um_tab; | |
290 | mi->mi_ip = udaip[ctlr]; | |
291 | mi->mi_cmd.mri_size = NCMD; | |
292 | mi->mi_cmd.mri_desc = uda[ctlr].uda_ca.ca_cmddsc; | |
293 | mi->mi_cmd.mri_ring = uda[ctlr].uda_cmd; | |
294 | mi->mi_rsp.mri_size = NRSP; | |
295 | mi->mi_rsp.mri_desc = uda[ctlr].uda_ca.ca_rspdsc; | |
296 | mi->mi_rsp.mri_ring = uda[ctlr].uda_rsp; | |
297 | mi->mi_wtab.av_forw = mi->mi_wtab.av_back = &mi->mi_wtab; | |
2f961121 | 298 | |
23a28927 KB |
299 | /* |
300 | * More controller specific variables. Again, this should | |
301 | * be in the controller attach routine. | |
302 | */ | |
303 | if (udaburst[ctlr] == 0) | |
304 | udaburst[ctlr] = DEFAULT_BURST; | |
305 | ||
306 | /* | |
307 | * Get an interrupt vector. Note that even if the controller | |
308 | * does not respond, we keep the vector. This is not a serious | |
309 | * problem; but it would be easily fixed if we had a controller | |
310 | * attach routine. Sigh. | |
311 | */ | |
2f961121 | 312 | sc->sc_ivec = (uba_hd[numuba].uh_lastiv -= 4); |
23a28927 | 313 | udaddr = (struct udadevice *) reg; |
2f961121 | 314 | |
23a28927 KB |
315 | /* |
316 | * Initialise the controller (partially). The UDA50 programmer's | |
317 | * manual states that if initialisation fails, it should be retried | |
318 | * at least once, but after a second failure the port should be | |
319 | * considered `down'; it also mentions that the controller should | |
320 | * initialise within ten seconds. Or so I hear; I have not seen | |
321 | * this manual myself. | |
322 | */ | |
323 | tries = 0; | |
324 | again: | |
325 | udaddr->udaip = 0; /* start initialisation */ | |
326 | timeout = todr() + 1000; /* timeout in 10 seconds */ | |
327 | while ((udaddr->udasa & UDA_STEP1) == 0) | |
328 | if (todr() > timeout) | |
329 | goto bad; | |
330 | udaddr->udasa = UDA_ERR | (NCMDL2 << 11) | (NRSPL2 << 8) | UDA_IE | | |
331 | (sc->sc_ivec >> 2); | |
332 | while ((udaddr->udasa & UDA_STEP2) == 0) | |
333 | if (todr() > timeout) | |
334 | goto bad; | |
335 | ||
336 | /* should have interrupted by now */ | |
337 | #ifdef VAX630 | |
338 | if (cpu == VAX_630) | |
339 | br = 0x15; /* screwy interrupt structure */ | |
340 | #endif | |
341 | return (sizeof (struct udadevice)); | |
342 | bad: | |
343 | if (++tries < 2) | |
344 | goto again; | |
345 | return (0); | |
db738443 BJ |
346 | } |
347 | ||
23a28927 KB |
348 | /* |
349 | * Find a slave. We allow wildcard slave numbers (something autoconf | |
350 | * is not really prepared to deal with); and we need to know the | |
351 | * controller number to talk to the UDA. For the latter, we keep | |
352 | * track of the last controller probed, since a controller probe | |
353 | * immediately precedes all slave probes for that controller. For the | |
354 | * former, we simply put the unit number into ui->ui_slave after we | |
355 | * have found one. | |
356 | * | |
357 | * Note that by the time udaslave is called, the interrupt vector | |
358 | * for the UDA50 has been set up (so that udaunconf() will be called). | |
359 | */ | |
360 | udaslave(ui, reg) | |
361 | register struct uba_device *ui; | |
db738443 BJ |
362 | caddr_t reg; |
363 | { | |
23a28927 KB |
364 | register struct uba_ctlr *um = probeum; |
365 | register struct mscp *mp; | |
366 | register struct uda_softc *sc; | |
367 | register struct ra_info *ra; | |
368 | int next = 0, type, timeout, tries, i; | |
369 | ||
370 | #ifdef lint | |
371 | i = 0; i = i; | |
372 | #endif | |
373 | /* | |
374 | * Make sure the controller is fully initialised, by waiting | |
375 | * for it if necessary. | |
376 | */ | |
377 | sc = &uda_softc[um->um_ctlr]; | |
378 | if (sc->sc_state == ST_RUN) | |
379 | goto findunit; | |
380 | tries = 0; | |
381 | again: | |
382 | if (udainit(ui->ui_ctlr)) | |
383 | return (0); | |
384 | timeout = todr() + 1000; /* 10 seconds */ | |
385 | while (todr() < timeout) | |
386 | if (sc->sc_state == ST_RUN) /* made it */ | |
387 | goto findunit; | |
388 | if (++tries < 2) | |
389 | goto again; | |
390 | printf("uda%d: controller hung\n", um->um_ctlr); | |
391 | return (0); | |
392 | ||
393 | /* | |
394 | * The controller is all set; go find the unit. Grab an | |
395 | * MSCP packet and send out a Get Unit Status command, with | |
396 | * the `next unit' modifier if we are looking for a generic | |
397 | * unit. We set the `in slave' flag so that udaunconf() | |
398 | * knows to copy the response to `udaslavereply'. | |
399 | */ | |
400 | findunit: | |
401 | udaslavereply.mscp_opcode = 0; | |
402 | sc->sc_flags |= SC_INSLAVE; | |
403 | if ((mp = mscp_getcp(&sc->sc_mi, MSCP_DONTWAIT)) == NULL) | |
404 | panic("udaslave"); /* `cannot happen' */ | |
405 | mp->mscp_opcode = M_OP_GETUNITST; | |
406 | if (ui->ui_slave == '?') { | |
407 | mp->mscp_unit = next; | |
408 | mp->mscp_modifier = M_GUM_NEXTUNIT; | |
409 | } else { | |
410 | mp->mscp_unit = ui->ui_slave; | |
411 | mp->mscp_modifier = 0; | |
412 | } | |
413 | *mp->mscp_addr |= MSCP_OWN | MSCP_INT; | |
414 | i = ((struct udadevice *) reg)->udaip; /* initiate polling */ | |
415 | mp = &udaslavereply; | |
416 | timeout = todr() + 1000; | |
417 | while (todr() < timeout) | |
418 | if (mp->mscp_opcode) | |
419 | goto gotit; | |
420 | printf("uda%d: no response to Get Unit Status request\n", | |
421 | um->um_ctlr); | |
422 | sc->sc_flags &= ~SC_INSLAVE; | |
423 | return (0); | |
424 | ||
425 | gotit: | |
426 | sc->sc_flags &= ~SC_INSLAVE; | |
427 | ||
428 | /* | |
429 | * Got a slave response. If the unit is there, use it. | |
430 | */ | |
431 | switch (mp->mscp_status & M_ST_MASK) { | |
432 | ||
433 | case M_ST_SUCCESS: /* worked */ | |
434 | case M_ST_AVAILABLE: /* found another drive */ | |
435 | break; /* use it */ | |
436 | ||
437 | case M_ST_OFFLINE: | |
438 | /* | |
439 | * Figure out why it is off line. It may be because | |
440 | * it is nonexistent, or because it is spun down, or | |
441 | * for some other reason. | |
442 | */ | |
443 | switch (mp->mscp_status & ~M_ST_MASK) { | |
444 | ||
445 | case M_OFFLINE_UNKNOWN: | |
446 | /* | |
447 | * No such drive, and there are none with | |
448 | * higher unit numbers either, if we are | |
449 | * using M_GUM_NEXTUNIT. | |
450 | */ | |
451 | return (0); | |
452 | ||
453 | case M_OFFLINE_UNMOUNTED: | |
454 | /* | |
455 | * The drive is not spun up. Use it anyway. | |
456 | * | |
457 | * N.B.: this seems to be a common occurrance | |
458 | * after a power failure. The first attempt | |
459 | * to bring it on line seems to spin it up | |
460 | * (and thus takes several minutes). Perhaps | |
461 | * we should note here that the on-line may | |
462 | * take longer than usual. | |
463 | */ | |
464 | break; | |
465 | ||
466 | default: | |
467 | /* | |
468 | * In service, or something else equally unusable. | |
469 | */ | |
470 | printf("uda%d: unit %d off line: ", um->um_ctlr, | |
471 | mp->mscp_unit); | |
472 | mscp_printevent(mp); | |
473 | goto try_another; | |
474 | } | |
475 | break; | |
2f961121 | 476 | |
23a28927 KB |
477 | default: |
478 | printf("uda%d: unable to get unit status: ", um->um_ctlr); | |
479 | mscp_printevent(mp); | |
480 | return (0); | |
481 | } | |
2f961121 | 482 | |
23a28927 KB |
483 | /* |
484 | * Does this ever happen? What (if anything) does it mean? | |
485 | */ | |
486 | if (mp->mscp_unit < next) { | |
487 | printf("uda%d: unit %d, next %d\n", | |
488 | um->um_ctlr, mp->mscp_unit, next); | |
489 | return (0); | |
2f961121 | 490 | } |
23a28927 KB |
491 | |
492 | if (mp->mscp_unit >= MAXUNIT) { | |
493 | printf("uda%d: cannot handle unit number %d (max is %d)\n", | |
494 | um->um_ctlr, mp->mscp_unit, MAXUNIT - 1); | |
495 | return (0); | |
2f961121 | 496 | } |
23a28927 KB |
497 | |
498 | /* | |
499 | * See if we already handle this drive. | |
500 | * (Only likely if ui->ui_slave=='?'.) | |
501 | */ | |
502 | if (udaip[um->um_ctlr][mp->mscp_unit] != NULL) { | |
503 | try_another: | |
504 | if (ui->ui_slave != '?') | |
505 | return (0); | |
506 | next = mp->mscp_unit + 1; | |
507 | goto findunit; | |
2f961121 | 508 | } |
23a28927 KB |
509 | |
510 | /* | |
511 | * Voila! | |
512 | */ | |
513 | uda_rasave(ui->ui_unit, mp, 0); | |
514 | ui->ui_flags = 0; /* not on line, nor anything else */ | |
515 | ui->ui_slave = mp->mscp_unit; | |
516 | return (1); | |
db738443 BJ |
517 | } |
518 | ||
23a28927 KB |
519 | /* |
520 | * Attach a found slave. Make sure the watchdog timer is running. | |
521 | * If this disk is being profiled, fill in the `mspw' value (used by | |
522 | * what?). Set up the inverting pointer, and attempt to bring the | |
523 | * drive on line and read its label. | |
524 | */ | |
525 | udaattach(ui) | |
db738443 BJ |
526 | register struct uba_device *ui; |
527 | { | |
23a28927 KB |
528 | register int unit = ui->ui_unit; |
529 | ||
530 | if (udawstart == 0) { | |
531 | timeout(udawatch, (caddr_t) 0, hz); | |
532 | udawstart++; | |
2f961121 | 533 | } |
23a28927 KB |
534 | if (ui->ui_dk >= 0) |
535 | dk_mspw[ui->ui_dk] = 1.0 / (60 * 31 * 256); /* approx */ | |
536 | udaip[ui->ui_ctlr][ui->ui_slave] = ui; | |
f9441261 KB |
537 | |
538 | /* | |
539 | * RX50s cannot be brought on line unless there is | |
540 | * a floppy in the drive. Since an ONLINE while cold | |
541 | * takes ten seconds to fail, and (when notyet becomes now) | |
542 | * no sensible person will swap to an RX50, we just | |
543 | * defer the ONLINE until someone tries to use the drive. | |
544 | */ | |
545 | if (ra_info[unit].ra_type == RA_TYPE_RX50) { | |
546 | printf("ra%d: rx50\n", unit); | |
547 | return; | |
548 | } | |
23a28927 | 549 | if (uda_rainit(ui, 0)) |
7e9892e0 | 550 | printf("ra%d: offline\n", unit); |
23a28927 KB |
551 | else { |
552 | printf("ra%d: %s\n", unit, udalabel[unit].d_typename); | |
553 | #ifdef notyet | |
554 | addswap(makedev(UDADEVNUM, udaminor(unit, 0)), &udalabel[unit]); | |
9418508d | 555 | #endif |
a4a97100 | 556 | } |
23a28927 KB |
557 | } |
558 | ||
559 | /* | |
560 | * Initialise a UDA50. Return true iff something goes wrong. | |
561 | */ | |
562 | udainit(ctlr) | |
563 | int ctlr; | |
564 | { | |
565 | register struct uda_softc *sc; | |
566 | register struct udadevice *udaddr; | |
567 | struct uba_ctlr *um; | |
568 | int timo, ubinfo; | |
569 | ||
570 | sc = &uda_softc[ctlr]; | |
571 | um = udaminfo[ctlr]; | |
572 | if ((sc->sc_flags & SC_MAPPED) == 0) { | |
573 | /* | |
574 | * Map the communication area and command and | |
575 | * response packets into Unibus space. | |
576 | */ | |
577 | ubinfo = uballoc(um->um_ubanum, (caddr_t) &uda[ctlr], | |
578 | sizeof (struct uda), UBA_CANTWAIT); | |
579 | if (ubinfo == 0) { | |
580 | printf("uda%d: uballoc map failed\n", ctlr); | |
581 | return (-1); | |
582 | } | |
583 | sc->sc_uda = (struct uda *) (ubinfo & 0x3ffff); | |
584 | sc->sc_flags |= SC_MAPPED; | |
585 | } | |
586 | ||
a4a97100 | 587 | /* |
23a28927 KB |
588 | * While we are thinking about it, reset the next command |
589 | * and response indicies. | |
a4a97100 | 590 | */ |
23a28927 KB |
591 | sc->sc_mi.mi_cmd.mri_next = 0; |
592 | sc->sc_mi.mi_rsp.mri_next = 0; | |
593 | ||
594 | /* | |
595 | * Start up the hardware initialisation sequence. | |
596 | */ | |
597 | #define STEP0MASK (UDA_ERR | UDA_STEP4 | UDA_STEP3 | UDA_STEP2 | \ | |
598 | UDA_STEP1 | UDA_NV) | |
599 | ||
600 | sc->sc_state = ST_IDLE; /* in case init fails */ | |
601 | udaddr = (struct udadevice *) um->um_addr; | |
602 | udaddr->udaip = 0; | |
603 | timo = todr() + 1000; | |
604 | while ((udaddr->udasa & STEP0MASK) == 0) { | |
605 | if (todr() > timo) { | |
606 | printf("uda%d: timeout during init\n", ctlr); | |
607 | return (-1); | |
608 | } | |
609 | } | |
610 | if ((udaddr->udasa & STEP0MASK) != UDA_STEP1) { | |
611 | printf("uda%d: init failed, sa=%b\n", ctlr, | |
612 | udaddr->udasa, udasr_bits); | |
613 | return (-1); | |
614 | } | |
615 | ||
616 | /* | |
617 | * Success! Record new state, and start step 1 initialisation. | |
618 | * The rest is done in the interrupt handler. | |
619 | */ | |
620 | sc->sc_state = ST_STEP1; | |
621 | udaddr->udasa = UDA_ERR | (NCMDL2 << 11) | (NRSPL2 << 8) | UDA_IE | | |
622 | (sc->sc_ivec >> 2); | |
623 | return (0); | |
db738443 BJ |
624 | } |
625 | ||
626 | /* | |
23a28927 | 627 | * Open a drive. |
db738443 | 628 | */ |
23a28927 KB |
629 | /*ARGSUSED*/ |
630 | udaopen(dev, flag, fmt) | |
db738443 | 631 | dev_t dev; |
41a38591 | 632 | int flag, fmt; |
db738443 | 633 | { |
23a28927 | 634 | register int unit; |
db738443 BJ |
635 | register struct uba_device *ui; |
636 | register struct uda_softc *sc; | |
a4a97100 MK |
637 | register struct disklabel *lp; |
638 | register struct partition *pp; | |
bdc2b08d | 639 | register struct ra_info *ra; |
23a28927 | 640 | int s, i, part, mask, error = 0; |
a4a97100 MK |
641 | daddr_t start, end; |
642 | ||
23a28927 KB |
643 | /* |
644 | * Make sure this is a reasonable open request. | |
645 | */ | |
646 | unit = udaunit(dev); | |
647 | if (unit >= NRA || (ui = udadinfo[unit]) == 0 || ui->ui_alive == 0) | |
7da157da | 648 | return (ENXIO); |
23a28927 KB |
649 | |
650 | /* | |
651 | * Make sure the controller is running, by (re)initialising it if | |
652 | * necessary. | |
653 | */ | |
db738443 | 654 | sc = &uda_softc[ui->ui_ctlr]; |
530d0032 | 655 | s = spl5(); |
23a28927 KB |
656 | if (sc->sc_state != ST_RUN) { |
657 | if (sc->sc_state == ST_IDLE && udainit(ui->ui_ctlr)) { | |
658 | splx(s); | |
659 | return (EIO); | |
660 | } | |
661 | /* | |
662 | * In case it does not come up, make sure we will be | |
663 | * restarted in 10 seconds. This corresponds to the | |
664 | * 10 second timeouts in udaprobe() and udaslave(). | |
665 | */ | |
666 | sc->sc_flags |= SC_DOWAKE; | |
667 | timeout(wakeup, (caddr_t) sc, 10 * hz); | |
668 | sleep((caddr_t) sc, PRIBIO); | |
669 | if (sc->sc_state != ST_RUN) { | |
670 | splx(s); | |
671 | printf("uda%d: controller hung\n", ui->ui_ctlr); | |
7da157da | 672 | return (EIO); |
2f961121 | 673 | } |
23a28927 | 674 | untimeout(wakeup, (caddr_t) sc); |
2f961121 | 675 | } |
23a28927 KB |
676 | |
677 | /* | |
678 | * Wait for the state to settle | |
679 | */ | |
680 | ra = &ra_info[unit]; | |
681 | while (ra->ra_state != OPEN && ra->ra_state != OPENRAW && | |
682 | ra->ra_state != CLOSED) | |
683 | sleep((caddr_t)ra, PZERO + 1); | |
684 | ||
685 | /* | |
686 | * If not on line, or we are not sure of the label, reinitialise | |
687 | * the drive. | |
688 | */ | |
689 | if ((ui->ui_flags & UNIT_ONLINE) == 0 || | |
690 | (ra->ra_state != OPEN && ra->ra_state != OPENRAW)) | |
691 | error = uda_rainit(ui, flag); | |
bdc2b08d | 692 | splx(s); |
23a28927 KB |
693 | if (error) |
694 | return (error); | |
a4a97100 | 695 | |
23a28927 KB |
696 | part = udapart(dev); |
697 | lp = &udalabel[unit]; | |
a4a97100 MK |
698 | if (part >= lp->d_npartitions) |
699 | return (ENXIO); | |
700 | /* | |
23a28927 KB |
701 | * Warn if a partition is opened that overlaps another |
702 | * already open, unless either is the `raw' partition | |
703 | * (whole disk). | |
a4a97100 | 704 | */ |
23a28927 KB |
705 | #define RAWPART 2 /* 'c' partition */ /* XXX */ |
706 | mask = 1 << part; | |
707 | if ((ra->ra_openpart & mask) == 0 && part != RAWPART) { | |
a4a97100 MK |
708 | pp = &lp->d_partitions[part]; |
709 | start = pp->p_offset; | |
710 | end = pp->p_offset + pp->p_size; | |
23a28927 KB |
711 | for (pp = lp->d_partitions, i = 0; |
712 | i < lp->d_npartitions; pp++, i++) { | |
a4a97100 | 713 | if (pp->p_offset + pp->p_size <= start || |
23a28927 | 714 | pp->p_offset >= end || i == RAWPART) |
a4a97100 | 715 | continue; |
23a28927 | 716 | if (ra->ra_openpart & (1 << i)) |
a4a97100 MK |
717 | log(LOG_WARNING, |
718 | "ra%d%c: overlaps open partition (%c)\n", | |
23a28927 | 719 | unit, part + 'a', i + 'a'); |
a4a97100 | 720 | } |
db738443 | 721 | } |
41a38591 MK |
722 | switch (fmt) { |
723 | case S_IFCHR: | |
23a28927 | 724 | ra->ra_copenpart |= mask; |
41a38591 MK |
725 | break; |
726 | case S_IFBLK: | |
23a28927 | 727 | ra->ra_bopenpart |= mask; |
41a38591 MK |
728 | break; |
729 | } | |
23a28927 | 730 | ra->ra_openpart |= mask; |
7da157da | 731 | return (0); |
db738443 BJ |
732 | } |
733 | ||
23a28927 | 734 | udaclose(dev, flags, fmt) |
a4a97100 | 735 | dev_t dev; |
41a38591 | 736 | int flags, fmt; |
a4a97100 | 737 | { |
23a28927 | 738 | register int unit = udaunit(dev); |
41a38591 | 739 | register struct ra_info *ra = &ra_info[unit]; |
23a28927 | 740 | int s, mask = (1 << udapart(dev)); |
a4a97100 | 741 | |
41a38591 MK |
742 | switch (fmt) { |
743 | case S_IFCHR: | |
23a28927 | 744 | ra->ra_copenpart &= ~mask; |
41a38591 MK |
745 | break; |
746 | case S_IFBLK: | |
23a28927 | 747 | ra->ra_bopenpart &= ~mask; |
41a38591 MK |
748 | break; |
749 | } | |
23a28927 KB |
750 | ra->ra_openpart = ra->ra_copenpart | ra->ra_bopenpart; |
751 | ||
a4a97100 | 752 | /* |
23a28927 KB |
753 | * Should wait for I/O to complete on this partition even if |
754 | * others are open, but wait for work on blkflush(). | |
a4a97100 | 755 | */ |
23a28927 | 756 | if (ra->ra_openpart == 0) { |
a4a97100 | 757 | s = spl5(); |
23a28927 KB |
758 | while (udautab[unit].b_actf) |
759 | sleep((caddr_t)&udautab[unit], PZERO - 1); | |
a4a97100 | 760 | splx(s); |
23a28927 | 761 | ra->ra_state = CLOSED; |
a4a97100 | 762 | } |
41a38591 | 763 | return (0); |
a4a97100 MK |
764 | } |
765 | ||
db738443 | 766 | /* |
23a28927 KB |
767 | * Initialise a drive. If it is not already, bring it on line, |
768 | * and set a timeout on it in case it fails to respond. | |
769 | * When on line, read in the pack label. | |
db738443 | 770 | */ |
23a28927 KB |
771 | uda_rainit(ui, flags) |
772 | register struct uba_device *ui; | |
773 | int flags; | |
db738443 | 774 | { |
23a28927 KB |
775 | register struct uda_softc *sc = &uda_softc[ui->ui_ctlr]; |
776 | register struct disklabel *lp; | |
777 | register struct mscp *mp; | |
778 | register int unit = ui->ui_unit; | |
779 | register struct ra_info *ra; | |
780 | char *msg, *readdisklabel(); | |
781 | int s, i, udastrategy(); | |
782 | extern int cold; | |
db738443 | 783 | |
23a28927 KB |
784 | ra = &ra_info[unit]; |
785 | if ((ui->ui_flags & UNIT_ONLINE) == 0) { | |
786 | mp = mscp_getcp(&sc->sc_mi, MSCP_WAIT); | |
787 | mp->mscp_opcode = M_OP_ONLINE; | |
788 | mp->mscp_unit = ui->ui_slave; | |
789 | mp->mscp_cmdref = (long)&ui->ui_flags; | |
790 | *mp->mscp_addr |= MSCP_OWN | MSCP_INT; | |
791 | ra->ra_state = WANTOPEN; | |
792 | if (!cold) | |
793 | s = spl5(); | |
794 | i = ((struct udadevice *)ui->ui_addr)->udaip; | |
795 | ||
796 | if (cold) { | |
797 | i = todr() + 1000; | |
798 | while ((ui->ui_flags & UNIT_ONLINE) == 0) | |
799 | if (todr() > i) | |
800 | break; | |
801 | } else { | |
802 | timeout(wakeup, (caddr_t)&ui->ui_flags, 10 * hz); | |
803 | sleep((caddr_t)&ui->ui_flags, PSWP + 1); | |
804 | splx(s); | |
805 | untimeout(wakeup, (caddr_t)&ui->ui_flags); | |
806 | } | |
807 | if (ra->ra_state != OPENRAW) { | |
808 | ra->ra_state = CLOSED; | |
809 | wakeup((caddr_t)ra); | |
810 | return (EIO); | |
811 | } | |
db738443 BJ |
812 | } |
813 | ||
23a28927 KB |
814 | lp = &udalabel[unit]; |
815 | lp->d_secsize = DEV_BSIZE; | |
816 | lp->d_secperunit = ra->ra_dsize; | |
817 | ||
818 | if (flags & O_NDELAY) | |
819 | return (0); | |
820 | ra->ra_state = RDLABEL; | |
db738443 | 821 | /* |
23a28927 KB |
822 | * Set up default sizes until we have the label, or longer |
823 | * if there is none. Set secpercyl, as readdisklabel wants | |
824 | * to compute b_cylin (although we do not need it). | |
db738443 | 825 | */ |
23a28927 KB |
826 | lp->d_secpercyl = 1; |
827 | lp->d_npartitions = 1; | |
828 | lp->d_partitions[0].p_size = lp->d_secperunit; | |
829 | lp->d_partitions[0].p_offset = 0; | |
2f961121 | 830 | |
db738443 | 831 | /* |
23a28927 | 832 | * Read pack label. |
db738443 | 833 | */ |
23a28927 | 834 | if ((msg = readdisklabel(udaminor(unit, 0), udastrategy, lp)) != NULL) { |
bdc2b08d | 835 | log(LOG_ERR, "ra%d: %s\n", unit, msg); |
a4a97100 | 836 | #ifdef COMPAT_42 |
23a28927 KB |
837 | if (udamaptype(unit, lp)) |
838 | ra->ra_state = OPEN; | |
a4a97100 | 839 | else |
23a28927 | 840 | ra->ra_state = OPENRAW; |
9aa87560 | 841 | #else |
23a28927 KB |
842 | ra->ra_state = OPENRAW; |
843 | /* uda_makefakelabel(ra, lp); */ | |
9aa87560 | 844 | #endif |
41a38591 | 845 | } else |
23a28927 | 846 | ra->ra_state = OPEN; |
bdc2b08d MK |
847 | wakeup((caddr_t)ra); |
848 | return (0); | |
a4a97100 MK |
849 | } |
850 | ||
23a28927 KB |
851 | /* |
852 | * Copy the geometry information for the given ra from a | |
853 | * GET UNIT STATUS response. If check, see if it changed. | |
854 | */ | |
855 | uda_rasave(unit, mp, check) | |
856 | int unit; | |
857 | register struct mscp *mp; | |
858 | int check; | |
859 | { | |
860 | register struct ra_info *ra = &ra_info[unit]; | |
861 | ||
862 | if (check && ra->ra_type != mp->mscp_guse.guse_drivetype) { | |
863 | printf("ra%d: changed types! was %d now %d\n", | |
864 | ra->ra_type, mp->mscp_guse.guse_drivetype); | |
865 | ra->ra_state = CLOSED; /* ??? */ | |
866 | } | |
867 | ra->ra_type = mp->mscp_guse.guse_drivetype; | |
868 | ra->ra_mediaid = mp->mscp_guse.guse_mediaid; | |
869 | ra->ra_geom.rg_nsectors = mp->mscp_guse.guse_nspt; | |
870 | ra->ra_geom.rg_ngroups = mp->mscp_guse.guse_group; | |
871 | ra->ra_geom.rg_ngpc = mp->mscp_guse.guse_ngpc; | |
872 | ra->ra_geom.rg_ntracks = ra->ra_geom.rg_ngroups * ra->ra_geom.rg_ngpc; | |
873 | /* ra_geom.rg_ncyl cannot be computed until we have ra_dsize */ | |
874 | #ifdef notyet | |
875 | ra->ra_geom.rg_rctsize = mp->mscp_guse.guse_rctsize; | |
876 | ra->ra_geom.rg_rbns = mp->mscp_guse.guse_nrpt; | |
877 | ra->ra_geom.rg_nrct = mp->mscp_guse.guse_nrct; | |
878 | #endif | |
879 | } | |
880 | ||
881 | /* | |
882 | * Queue a transfer request, and if possible, hand it to the controller. | |
883 | * | |
884 | * This routine is broken into two so that the internal version | |
885 | * udastrat1() can be called by the (nonexistent, as yet) bad block | |
886 | * revectoring routine. | |
887 | */ | |
888 | udastrategy(bp) | |
db738443 BJ |
889 | register struct buf *bp; |
890 | { | |
23a28927 | 891 | register int unit; |
db738443 | 892 | register struct uba_device *ui; |
a4a97100 | 893 | register struct disklabel *lp; |
23a28927 KB |
894 | register struct ra_info *ra; |
895 | struct partition *pp; | |
896 | int p; | |
db738443 BJ |
897 | daddr_t sz, maxsz; |
898 | ||
23a28927 KB |
899 | /* |
900 | * Make sure this is a reasonable drive to use. | |
901 | */ | |
902 | if ((unit = udaunit(bp->b_dev)) >= NRA || | |
903 | (ui = udadinfo[unit]) == NULL || ui->ui_alive == 0 || | |
904 | (ra = &ra_info[unit])->ra_state == CLOSED) { | |
dac559fa | 905 | bp->b_error = ENXIO; |
db738443 | 906 | goto bad; |
dac559fa | 907 | } |
23a28927 KB |
908 | |
909 | /* | |
910 | * If drive is open `raw' or reading label, let it at it. | |
911 | */ | |
912 | if (ra->ra_state < OPEN) { | |
913 | udastrat1(bp); | |
914 | return; | |
a4a97100 | 915 | } |
23a28927 KB |
916 | p = udapart(bp->b_dev); |
917 | if ((ra->ra_openpart & (1 << p)) == 0) /* can't happen? */ | |
918 | panic("udastrategy"); | |
919 | /* alternatively, ENODEV */ | |
920 | ||
921 | /* | |
922 | * Determine the size of the transfer, and make sure it is | |
923 | * within the boundaries of the partition. | |
924 | */ | |
925 | pp = &udalabel[unit].d_partitions[p]; | |
926 | maxsz = pp->p_size; | |
927 | if (pp->p_offset + pp->p_size > ra->ra_dsize) | |
928 | maxsz = ra->ra_dsize - pp->p_offset; | |
a4a97100 MK |
929 | sz = (bp->b_bcount + DEV_BSIZE - 1) >> DEV_BSHIFT; |
930 | if (bp->b_blkno < 0 || bp->b_blkno + sz > maxsz) { | |
23a28927 | 931 | /* if exactly at end of disk, return an EOF */ |
9d0e0faa MK |
932 | if (bp->b_blkno == maxsz) { |
933 | bp->b_resid = bp->b_bcount; | |
23a28927 KB |
934 | biodone(bp); |
935 | return; | |
9d0e0faa | 936 | } |
23a28927 | 937 | /* or truncate if part of it fits */ |
a4a97100 MK |
938 | sz = maxsz - bp->b_blkno; |
939 | if (sz <= 0) { | |
23a28927 | 940 | bp->b_error = EINVAL; /* or hang it up */ |
a4a97100 MK |
941 | goto bad; |
942 | } | |
943 | bp->b_bcount = sz << DEV_BSHIFT; | |
dac559fa | 944 | } |
23a28927 KB |
945 | udastrat1(bp); |
946 | return; | |
947 | bad: | |
948 | bp->b_flags |= B_ERROR; | |
949 | biodone(bp); | |
950 | } | |
951 | ||
952 | /* | |
953 | * Work routine for udastrategy. | |
954 | */ | |
955 | udastrat1(bp) | |
956 | register struct buf *bp; | |
957 | { | |
958 | register int unit = udaunit(bp->b_dev); | |
959 | register struct uba_ctlr *um; | |
960 | register struct buf *dp; | |
961 | struct uba_device *ui; | |
962 | int s = spl5(); | |
963 | ||
db738443 | 964 | /* |
23a28927 KB |
965 | * Append the buffer to the drive queue, and if it is not |
966 | * already there, the drive to the controller queue. (However, | |
967 | * if the drive queue is marked to be requeued, we must be | |
968 | * awaiting an on line or get unit status command; in this | |
969 | * case, leave it off the controller queue.) | |
db738443 | 970 | */ |
23a28927 KB |
971 | um = (ui = udadinfo[unit])->ui_mi; |
972 | dp = &udautab[unit]; | |
973 | APPEND(bp, dp, av_forw); | |
974 | if (dp->b_active == 0 && (ui->ui_flags & UNIT_REQUEUE) == 0) { | |
975 | APPEND(dp, &um->um_tab, b_forw); | |
976 | dp->b_active++; | |
977 | } | |
978 | ||
db738443 | 979 | /* |
23a28927 KB |
980 | * Start activity on the controller. Note that unlike other |
981 | * Unibus drivers, we must always do this, not just when the | |
982 | * controller is not active. | |
db738443 | 983 | */ |
23a28927 | 984 | udastart(um); |
530d0032 | 985 | splx(s); |
db738443 BJ |
986 | } |
987 | ||
23a28927 KB |
988 | /* |
989 | * Start up whatever transfers we can find. | |
990 | * Note that udastart() must be called at spl5(). | |
991 | */ | |
992 | udastart(um) | |
db738443 BJ |
993 | register struct uba_ctlr *um; |
994 | { | |
23a28927 | 995 | register struct uda_softc *sc = &uda_softc[um->um_ctlr]; |
db738443 BJ |
996 | register struct buf *bp, *dp; |
997 | register struct mscp *mp; | |
23a28927 | 998 | struct uba_device *ui; |
db738443 | 999 | struct udadevice *udaddr; |
23a28927 KB |
1000 | struct partition *pp; |
1001 | int i, sz; | |
db738443 | 1002 | |
23a28927 KB |
1003 | #ifdef lint |
1004 | i = 0; i = i; | |
1005 | #endif | |
1006 | /* | |
1007 | * If it is not running, try (again and again...) to initialise | |
1008 | * it. If it is currently initialising just ignore it for now. | |
1009 | */ | |
1010 | if (sc->sc_state != ST_RUN) { | |
1011 | if (sc->sc_state == ST_IDLE && udainit(um->um_ctlr)) | |
1012 | printf("uda%d: still hung\n", um->um_ctlr); | |
1013 | return; | |
db738443 | 1014 | } |
23a28927 KB |
1015 | |
1016 | /* | |
1017 | * If um_cmd is nonzero, this controller is on the Unibus | |
1018 | * resource wait queue. It will not help to try more requests; | |
1019 | * instead, when the Unibus unblocks and calls udadgo(), we | |
1020 | * will call udastart() again. | |
1021 | */ | |
1022 | if (um->um_cmd) | |
1023 | return; | |
1024 | ||
1025 | sc->sc_flags |= SC_INSTART; | |
1026 | udaddr = (struct udadevice *) um->um_addr; | |
1027 | ||
1028 | loop: | |
1029 | /* | |
1030 | * Service the drive at the head of the queue. It may not | |
1031 | * need anything, in which case it might be shutting down | |
1032 | * in udaclose(). | |
1033 | */ | |
1034 | if ((dp = um->um_tab.b_actf) == NULL) | |
1035 | goto out; | |
db738443 | 1036 | if ((bp = dp->b_actf) == NULL) { |
db738443 BJ |
1037 | dp->b_active = 0; |
1038 | um->um_tab.b_actf = dp->b_forw; | |
23a28927 KB |
1039 | if (ra_info[dp - udautab].ra_openpart == 0) |
1040 | wakeup((caddr_t)dp); /* finish close protocol */ | |
1041 | goto loop; | |
db738443 | 1042 | } |
23a28927 KB |
1043 | |
1044 | if (udaddr->udasa & UDA_ERR) { /* ctlr fatal error */ | |
1045 | udasaerror(um); | |
1046 | goto out; | |
db738443 | 1047 | } |
23a28927 KB |
1048 | |
1049 | /* | |
1050 | * Get an MSCP packet, then figure out what to do. If | |
1051 | * we cannot get a command packet, the command ring may | |
1052 | * be too small: We should have at least as many command | |
1053 | * packets as credits, for best performance. | |
1054 | */ | |
1055 | if ((mp = mscp_getcp(&sc->sc_mi, MSCP_DONTWAIT)) == NULL) { | |
1056 | if (sc->sc_mi.mi_credits > MSCP_MINCREDITS && | |
1057 | (sc->sc_flags & SC_GRIPED) == 0) { | |
1058 | log(LOG_NOTICE, "uda%d: command ring too small\n", | |
1059 | um->um_ctlr); | |
1060 | sc->sc_flags |= SC_GRIPED;/* complain only once */ | |
2f961121 | 1061 | } |
23a28927 | 1062 | goto out; |
db738443 | 1063 | } |
db738443 | 1064 | |
23a28927 KB |
1065 | /* |
1066 | * Bring the drive on line if it is not already. Get its status | |
1067 | * if we do not already have it. Otherwise just start the transfer. | |
1068 | */ | |
1069 | ui = udadinfo[udaunit(bp->b_dev)]; | |
1070 | if ((ui->ui_flags & UNIT_ONLINE) == 0) { | |
1071 | mp->mscp_opcode = M_OP_ONLINE; | |
1072 | goto common; | |
db738443 | 1073 | } |
23a28927 KB |
1074 | if ((ui->ui_flags & UNIT_HAVESTATUS) == 0) { |
1075 | mp->mscp_opcode = M_OP_GETUNITST; | |
1076 | common: | |
1077 | if (ui->ui_flags & UNIT_REQUEUE) panic("udastart"); | |
1078 | /* | |
1079 | * Take the drive off the controller queue. When the | |
1080 | * command finishes, make sure the drive is requeued. | |
1081 | */ | |
1082 | um->um_tab.b_actf = dp->b_forw; | |
1083 | dp->b_active = 0; | |
1084 | ui->ui_flags |= UNIT_REQUEUE; | |
1085 | mp->mscp_unit = ui->ui_slave; | |
1086 | *mp->mscp_addr |= MSCP_OWN | MSCP_INT; | |
1087 | sc->sc_flags |= SC_STARTPOLL; | |
1088 | #ifdef POLLSTATS | |
1089 | sc->sc_ncmd++; | |
cb6ff96f | 1090 | #endif |
23a28927 | 1091 | goto loop; |
db738443 | 1092 | } |
23a28927 KB |
1093 | |
1094 | pp = &udalabel[ui->ui_unit].d_partitions[udapart(bp->b_dev)]; | |
1095 | mp->mscp_opcode = (bp->b_flags & B_READ) ? M_OP_READ : M_OP_WRITE; | |
db738443 | 1096 | mp->mscp_unit = ui->ui_slave; |
23a28927 | 1097 | mp->mscp_seq.seq_lbn = bp->b_blkno + pp->p_offset; |
a4a97100 | 1098 | sz = (bp->b_bcount + DEV_BSIZE - 1) >> DEV_BSHIFT; |
23a28927 KB |
1099 | mp->mscp_seq.seq_bytecount = bp->b_blkno + sz > pp->p_size ? |
1100 | (pp->p_size - bp->b_blkno) >> DEV_BSHIFT : bp->b_bcount; | |
1101 | /* mscp_cmdref is filled in by mscp_go() */ | |
db738443 BJ |
1102 | |
1103 | /* | |
23a28927 KB |
1104 | * Drop the packet pointer into the `command' field so udadgo() |
1105 | * can tell what to start. If ubago returns 1, we can do another | |
1106 | * transfer. If not, um_cmd will still point at mp, so we will | |
1107 | * know that we are waiting for resources. | |
db738443 | 1108 | */ |
23a28927 KB |
1109 | um->um_cmd = (int)mp; |
1110 | if (ubago(ui)) | |
1111 | goto loop; | |
1112 | ||
db738443 | 1113 | /* |
23a28927 KB |
1114 | * All done, or blocked in ubago(). If we managed to |
1115 | * issue some commands, start up the beast. | |
db738443 | 1116 | */ |
23a28927 KB |
1117 | out: |
1118 | if (sc->sc_flags & SC_STARTPOLL) { | |
1119 | #ifdef POLLSTATS | |
1120 | udastats.cmd[sc->sc_ncmd]++; | |
1121 | sc->sc_ncmd = 0; | |
1122 | #endif | |
1123 | i = ((struct udadevice *) um->um_addr)->udaip; | |
1124 | } | |
1125 | sc->sc_flags &= ~(SC_INSTART | SC_STARTPOLL); | |
db738443 BJ |
1126 | } |
1127 | ||
1128 | /* | |
23a28927 KB |
1129 | * Start a transfer. |
1130 | * | |
1131 | * If we are not called from within udastart(), we must have been | |
1132 | * blocked, so call udastart to do more requests (if any). If | |
1133 | * this calls us again immediately we will not recurse, because | |
1134 | * that time we will be in udastart(). Clever.... | |
db738443 | 1135 | */ |
23a28927 KB |
1136 | udadgo(um) |
1137 | register struct uba_ctlr *um; | |
db738443 | 1138 | { |
23a28927 KB |
1139 | struct uda_softc *sc = &uda_softc[um->um_ctlr]; |
1140 | struct mscp *mp = (struct mscp *)um->um_cmd; | |
1141 | ||
1142 | um->um_tab.b_active++; /* another transfer going */ | |
1143 | ||
1144 | /* | |
1145 | * Fill in the MSCP packet and move the buffer to the | |
1146 | * I/O wait queue. Mark the controller as no longer on | |
1147 | * the resource queue, and remember to initiate polling. | |
1148 | */ | |
1149 | mp->mscp_seq.seq_buffer = (um->um_ubinfo & 0x3ffff) | | |
1150 | (UBAI_BDP(um->um_ubinfo) << 24); | |
1151 | mscp_go(&sc->sc_mi, mp, um->um_ubinfo); | |
1152 | um->um_cmd = 0; | |
1153 | um->um_ubinfo = 0; /* tyke it awye */ | |
1154 | sc->sc_flags |= SC_STARTPOLL; | |
1155 | #ifdef POLLSTATS | |
1156 | sc->sc_ncmd++; | |
1157 | #endif | |
1158 | if ((sc->sc_flags & SC_INSTART) == 0) | |
1159 | udastart(um); | |
1160 | } | |
1161 | ||
1162 | udaiodone(mi, bp, info) | |
1163 | register struct mscp_info *mi; | |
db738443 | 1164 | struct buf *bp; |
23a28927 KB |
1165 | int info; |
1166 | { | |
1167 | register struct uba_ctlr *um = udaminfo[mi->mi_ctlr]; | |
1168 | ||
1169 | um->um_ubinfo = info; | |
1170 | ubadone(um); | |
1171 | biodone(bp); | |
1172 | if (um->um_bdp && mi->mi_wtab.av_forw == &mi->mi_wtab) | |
1173 | ubarelse(um->um_ubanum, &um->um_bdp); | |
1174 | um->um_tab.b_active--; /* another transfer done */ | |
1175 | } | |
1176 | ||
1177 | /* | |
1178 | * The error bit was set in the controller status register. Gripe, | |
1179 | * reset the controller, requeue pending transfers. | |
1180 | */ | |
1181 | udasaerror(um) | |
1182 | register struct uba_ctlr *um; | |
1183 | { | |
1184 | ||
1185 | printf("uda%d: controller error, sa=%b\n", um->um_ctlr, | |
1186 | ((struct udadevice *) um->um_addr)->udasa, udasr_bits); | |
1187 | mscp_requeue(&uda_softc[um->um_ctlr].sc_mi); | |
1188 | (void) udainit(um->um_ctlr); | |
1189 | } | |
1190 | ||
1191 | /* | |
1192 | * Interrupt routine. Depending on the state of the controller, | |
1193 | * continue initialisation, or acknowledge command and response | |
1194 | * interrupts, and process responses. | |
1195 | */ | |
1196 | udaintr(ctlr) | |
1197 | int ctlr; | |
1198 | { | |
1199 | register struct uba_ctlr *um = udaminfo[ctlr]; | |
1200 | register struct uda_softc *sc = &uda_softc[ctlr]; | |
1201 | register struct udadevice *udaddr = (struct udadevice *) um->um_addr; | |
1202 | register struct uda *ud; | |
a4a97100 | 1203 | register struct mscp *mp; |
23a28927 | 1204 | register int i; |
db738443 | 1205 | |
9d2503c6 | 1206 | #ifdef VAX630 |
23a28927 | 1207 | (void) spl5(); /* Qbus interrupt protocol is odd */ |
9d2503c6 | 1208 | #endif |
23a28927 KB |
1209 | sc->sc_wticks = 0; /* reset interrupt watchdog */ |
1210 | ||
1211 | /* | |
1212 | * Combinations during steps 1, 2, and 3: STEPnMASK | |
1213 | * corresponds to which bits should be tested; | |
1214 | * STEPnGOOD corresponds to the pattern that should | |
1215 | * appear after the interrupt from STEPn initialisation. | |
1216 | * All steps test the bits in ALLSTEPS. | |
1217 | */ | |
1218 | #define ALLSTEPS (UDA_ERR|UDA_STEP4|UDA_STEP3|UDA_STEP2|UDA_STEP1) | |
1219 | ||
1220 | #define STEP1MASK (ALLSTEPS | UDA_IE | UDA_NCNRMASK) | |
1221 | #define STEP1GOOD (UDA_STEP2 | UDA_IE | (NCMDL2 << 3) | NRSPL2) | |
1222 | ||
1223 | #define STEP2MASK (ALLSTEPS | UDA_IE | UDA_IVECMASK) | |
1224 | #define STEP2GOOD (UDA_STEP3 | UDA_IE | (sc->sc_ivec >> 2)) | |
1225 | ||
1226 | #define STEP3MASK ALLSTEPS | |
1227 | #define STEP3GOOD UDA_STEP4 | |
1228 | ||
db738443 | 1229 | switch (sc->sc_state) { |
23a28927 KB |
1230 | |
1231 | case ST_IDLE: | |
1232 | /* | |
1233 | * Ignore unsolicited interrupts. | |
1234 | */ | |
1235 | log(LOG_WARNING, "uda%d: stray intr\n", ctlr); | |
db738443 BJ |
1236 | return; |
1237 | ||
23a28927 KB |
1238 | case ST_STEP1: |
1239 | /* | |
1240 | * Begin step two initialisation. | |
1241 | */ | |
1242 | if ((udaddr->udasa & STEP1MASK) != STEP1GOOD) { | |
1243 | i = 1; | |
1244 | initfailed: | |
1245 | printf("uda%d: init step %d failed, sa=%b\n", | |
1246 | ctlr, i, udaddr->udasa, udasr_bits); | |
1247 | sc->sc_state = ST_IDLE; | |
1248 | if (sc->sc_flags & SC_DOWAKE) { | |
1249 | sc->sc_flags &= ~SC_DOWAKE; | |
1250 | wakeup((caddr_t) sc); | |
1251 | } | |
db738443 BJ |
1252 | return; |
1253 | } | |
23a28927 KB |
1254 | udaddr->udasa = (int) &sc->sc_uda->uda_ca.ca_rspdsc[0] | |
1255 | (cpu == VAX_780 || cpu == VAX_8600 ? UDA_PI : 0); | |
1256 | sc->sc_state = ST_STEP2; | |
db738443 BJ |
1257 | return; |
1258 | ||
23a28927 KB |
1259 | case ST_STEP2: |
1260 | /* | |
1261 | * Begin step 3 initialisation. | |
1262 | */ | |
1263 | if ((udaddr->udasa & STEP2MASK) != STEP2GOOD) { | |
1264 | i = 2; | |
1265 | goto initfailed; | |
db738443 | 1266 | } |
23a28927 KB |
1267 | udaddr->udasa = ((int) &sc->sc_uda->uda_ca.ca_rspdsc[0]) >> 16; |
1268 | sc->sc_state = ST_STEP3; | |
db738443 BJ |
1269 | return; |
1270 | ||
23a28927 KB |
1271 | case ST_STEP3: |
1272 | /* | |
1273 | * Set controller characteristics (finish initialisation). | |
1274 | */ | |
1275 | if ((udaddr->udasa & STEP3MASK) != STEP3GOOD) { | |
1276 | i = 3; | |
1277 | goto initfailed; | |
1278 | } | |
1279 | i = udaddr->udasa & 0xff; | |
1280 | if (i != sc->sc_micro) { | |
1281 | sc->sc_micro = i; | |
1282 | printf("uda%d: version %d model %d\n", | |
1283 | ctlr, i & 0xf, i >> 4); | |
db738443 | 1284 | } |
23a28927 | 1285 | |
2f961121 | 1286 | /* |
23a28927 KB |
1287 | * Present the burst size, then remove it. Why this |
1288 | * should be done this way, I have no idea. | |
1289 | * | |
1290 | * Note that this assumes udaburst[ctlr] > 0. | |
2f961121 | 1291 | */ |
23a28927 | 1292 | udaddr->udasa = UDA_GO | (udaburst[ctlr] - 1) << 2; |
db738443 | 1293 | udaddr->udasa = UDA_GO; |
23a28927 KB |
1294 | printf("uda%d: DMA burst size set to %d\n", |
1295 | ctlr, udaburst[ctlr]); | |
1296 | ||
1297 | udainitds(ctlr); /* initialise data structures */ | |
db738443 BJ |
1298 | |
1299 | /* | |
23a28927 KB |
1300 | * Before we can get a command packet, we need some |
1301 | * credits. Fake some up to keep mscp_getcp() happy, | |
1302 | * get a packet, and cancel all credits (the right | |
1303 | * number should come back in the response to the | |
1304 | * SCC packet). | |
db738443 | 1305 | */ |
23a28927 KB |
1306 | sc->sc_mi.mi_credits = MSCP_MINCREDITS + 1; |
1307 | mp = mscp_getcp(&sc->sc_mi, MSCP_DONTWAIT); | |
1308 | if (mp == NULL) /* `cannot happen' */ | |
1309 | panic("udaintr"); | |
1310 | sc->sc_mi.mi_credits = 0; | |
1311 | mp->mscp_opcode = M_OP_SETCTLRC; | |
1312 | mp->mscp_unit = 0; | |
1313 | mp->mscp_sccc.sccc_ctlrflags = M_CF_ATTN | M_CF_MISC | | |
1314 | M_CF_THIS; | |
1315 | *mp->mscp_addr |= MSCP_OWN | MSCP_INT; | |
1316 | i = udaddr->udaip; | |
1317 | sc->sc_state = ST_SETCHAR; | |
db738443 BJ |
1318 | return; |
1319 | ||
23a28927 KB |
1320 | case ST_SETCHAR: |
1321 | case ST_RUN: | |
1322 | /* | |
1323 | * Handle Set Ctlr Characteristics responses and operational | |
1324 | * responses (via mscp_dorsp). | |
1325 | */ | |
db738443 BJ |
1326 | break; |
1327 | ||
1328 | default: | |
23a28927 KB |
1329 | printf("uda%d: driver bug, state %d\n", ctlr, sc->sc_state); |
1330 | panic("udastate"); | |
db738443 BJ |
1331 | } |
1332 | ||
23a28927 KB |
1333 | if (udaddr->udasa & UDA_ERR) { /* ctlr fatal error */ |
1334 | udasaerror(um); | |
1335 | return; | |
db738443 BJ |
1336 | } |
1337 | ||
23a28927 KB |
1338 | ud = &uda[ctlr]; |
1339 | ||
db738443 | 1340 | /* |
23a28927 KB |
1341 | * Handle buffer purge requests. |
1342 | * I have never seen these to work usefully, thus the log(). | |
db738443 BJ |
1343 | */ |
1344 | if (ud->uda_ca.ca_bdp) { | |
23a28927 KB |
1345 | log(LOG_DEBUG, "uda%d: purge bdp %d\n", |
1346 | ctlr, ud->uda_ca.ca_bdp); | |
8011f5df | 1347 | UBAPURGE(um->um_hd->uh_uba, ud->uda_ca.ca_bdp); |
db738443 | 1348 | ud->uda_ca.ca_bdp = 0; |
23a28927 | 1349 | udaddr->udasa = 0; /* signal purge complete */ |
db738443 BJ |
1350 | } |
1351 | ||
1352 | /* | |
23a28927 | 1353 | * Check for response and command ring transitions. |
db738443 BJ |
1354 | */ |
1355 | if (ud->uda_ca.ca_rspint) { | |
1356 | ud->uda_ca.ca_rspint = 0; | |
23a28927 | 1357 | mscp_dorsp(&sc->sc_mi); |
db738443 | 1358 | } |
db738443 | 1359 | if (ud->uda_ca.ca_cmdint) { |
db738443 | 1360 | ud->uda_ca.ca_cmdint = 0; |
23a28927 | 1361 | MSCP_DOCMD(&sc->sc_mi); |
db738443 | 1362 | } |
23a28927 | 1363 | udastart(um); |
db738443 BJ |
1364 | } |
1365 | ||
23a28927 KB |
1366 | #ifndef GENERIC_RAW |
1367 | struct buf rudabuf[NRA]; | |
db738443 | 1368 | |
2f961121 | 1369 | /* |
23a28927 | 1370 | * Read and write. |
2f961121 | 1371 | */ |
23a28927 KB |
1372 | udaread(dev, uio) |
1373 | dev_t dev; | |
1374 | struct uio *uio; | |
1375 | { | |
db738443 | 1376 | |
23a28927 KB |
1377 | return (physio(udastrategy, &rudabuf[udaunit(dev)], dev, B_READ, |
1378 | minphys, uio)); | |
db738443 BJ |
1379 | } |
1380 | ||
23a28927 KB |
1381 | udawrite(dev, uio) |
1382 | dev_t dev; | |
1383 | struct uio *uio; | |
db738443 | 1384 | { |
2f961121 | 1385 | |
23a28927 KB |
1386 | return (physio(udastrategy, &rudabuf[udaunit(dev)], dev, B_WRITE, |
1387 | minphys, uio)); | |
db738443 | 1388 | } |
23a28927 | 1389 | #endif /* GENERIC_RAW */ |
db738443 BJ |
1390 | |
1391 | /* | |
23a28927 | 1392 | * Initialise the various data structures that control the UDA50. |
db738443 | 1393 | */ |
23a28927 KB |
1394 | udainitds(ctlr) |
1395 | int ctlr; | |
db738443 | 1396 | { |
23a28927 KB |
1397 | register struct uda *ud = &uda[ctlr]; |
1398 | register struct uda *uud = uda_softc[ctlr].sc_uda; | |
db738443 | 1399 | register struct mscp *mp; |
db738443 BJ |
1400 | register int i; |
1401 | ||
23a28927 KB |
1402 | for (i = 0, mp = ud->uda_rsp; i < NRSP; i++, mp++) { |
1403 | ud->uda_ca.ca_rspdsc[i] = MSCP_OWN | MSCP_INT | | |
1404 | (long)&uud->uda_rsp[i].mscp_cmdref; | |
1405 | mp->mscp_addr = &ud->uda_ca.ca_rspdsc[i]; | |
1406 | mp->mscp_msglen = MSCP_MSGLEN; | |
1407 | } | |
1408 | for (i = 0, mp = ud->uda_cmd; i < NCMD; i++, mp++) { | |
1409 | ud->uda_ca.ca_cmddsc[i] = MSCP_INT | | |
1410 | (long)&uud->uda_cmd[i].mscp_cmdref; | |
1411 | mp->mscp_addr = &ud->uda_ca.ca_cmddsc[i]; | |
1412 | mp->mscp_msglen = MSCP_MSGLEN; | |
db738443 | 1413 | } |
db738443 BJ |
1414 | } |
1415 | ||
23a28927 KB |
1416 | /* |
1417 | * Handle an error datagram. All we do now is decode it. | |
1418 | */ | |
1419 | udadgram(mi, mp) | |
1420 | struct mscp_info *mi; | |
1421 | struct mscp *mp; | |
db738443 | 1422 | { |
db738443 | 1423 | |
23a28927 | 1424 | mscp_decodeerror(mi->mi_md->md_mname, mi->mi_ctlr, mp); |
db738443 BJ |
1425 | } |
1426 | ||
23a28927 KB |
1427 | /* |
1428 | * The Set Controller Characteristics command finished. | |
1429 | * Record the new state of the controller. | |
1430 | */ | |
1431 | udactlrdone(mi, mp) | |
1432 | register struct mscp_info *mi; | |
1433 | struct mscp *mp; | |
db738443 | 1434 | { |
23a28927 KB |
1435 | register struct uda_softc *sc = &uda_softc[mi->mi_ctlr]; |
1436 | ||
1437 | if ((mp->mscp_status & M_ST_MASK) == M_ST_SUCCESS) | |
1438 | sc->sc_state = ST_RUN; | |
1439 | else { | |
1440 | printf("uda%d: SETCTLRC failed: ", | |
1441 | mi->mi_ctlr, mp->mscp_status); | |
1442 | mscp_printevent(mp); | |
1443 | sc->sc_state = ST_IDLE; | |
1444 | } | |
1445 | if (sc->sc_flags & SC_DOWAKE) { | |
1446 | sc->sc_flags &= ~SC_DOWAKE; | |
1447 | wakeup((caddr_t)sc); | |
1448 | } | |
db738443 BJ |
1449 | } |
1450 | ||
23a28927 KB |
1451 | /* |
1452 | * Received a response from an as-yet unconfigured drive. Configure it | |
1453 | * in, if possible. | |
1454 | */ | |
1455 | udaunconf(mi, mp) | |
1456 | struct mscp_info *mi; | |
1457 | register struct mscp *mp; | |
db738443 | 1458 | { |
db738443 | 1459 | |
23a28927 KB |
1460 | /* |
1461 | * If it is a slave response, copy it to udaslavereply for | |
1462 | * udaslave() to look at. | |
1463 | */ | |
1464 | if (mp->mscp_opcode == (M_OP_GETUNITST | M_OP_END) && | |
1465 | (uda_softc[mi->mi_ctlr].sc_flags & SC_INSLAVE) != 0) { | |
1466 | udaslavereply = *mp; | |
1467 | return (MSCP_DONE); | |
db738443 | 1468 | } |
db738443 | 1469 | |
23a28927 KB |
1470 | /* |
1471 | * Otherwise, it had better be an available attention response. | |
1472 | */ | |
1473 | if (mp->mscp_opcode != M_OP_AVAILATTN) | |
1474 | return (MSCP_FAILED); | |
1475 | ||
1476 | /* do what autoconf does */ | |
1477 | return (MSCP_FAILED); /* not yet, arwhite, not yet */ | |
1478 | } | |
2f961121 | 1479 | |
23a28927 KB |
1480 | /* |
1481 | * A drive came on line. Check its type and size. Return DONE if | |
1482 | * we think the drive is truly on line. In any case, awaken anyone | |
1483 | * sleeping on the drive on-line-ness. | |
1484 | */ | |
1485 | udaonline(ui, mp) | |
1486 | register struct uba_device *ui; | |
1487 | struct mscp *mp; | |
1488 | { | |
1489 | register struct ra_info *ra = &ra_info[ui->ui_unit]; | |
1490 | ||
1491 | wakeup((caddr_t)&ui->ui_flags); | |
1492 | if ((mp->mscp_status & M_ST_MASK) != M_ST_SUCCESS) { | |
1493 | printf("uda%d: attempt to bring ra%d on line failed: ", | |
1494 | ui->ui_ctlr, ui->ui_unit); | |
1495 | mscp_printevent(mp); | |
1496 | ra->ra_state = CLOSED; | |
1497 | return (MSCP_FAILED); | |
1498 | } | |
2f961121 | 1499 | |
23a28927 KB |
1500 | ra->ra_state = OPENRAW; |
1501 | ra->ra_dsize = (daddr_t)mp->mscp_onle.onle_unitsize; | |
1502 | printf("ra%d: uda%d, unit %d, size = %d sectors\n", ui->ui_unit, | |
1503 | ui->ui_ctlr, mp->mscp_unit, ra->ra_dsize); | |
1504 | /* can now compute ncyl */ | |
1505 | ra->ra_geom.rg_ncyl = ra->ra_dsize / ra->ra_geom.rg_ntracks / | |
1506 | ra->ra_geom.rg_nsectors; | |
1507 | return (MSCP_DONE); | |
1508 | } | |
2f961121 | 1509 | |
23a28927 KB |
1510 | /* |
1511 | * We got some (configured) unit's status. Return DONE if it succeeded. | |
1512 | */ | |
1513 | udagotstatus(ui, mp) | |
2f961121 | 1514 | register struct uba_device *ui; |
23a28927 KB |
1515 | register struct mscp *mp; |
1516 | { | |
2f961121 | 1517 | |
23a28927 KB |
1518 | if ((mp->mscp_status & M_ST_MASK) != M_ST_SUCCESS) { |
1519 | printf("uda%d: attempt to get status for ra%d failed: ", | |
1520 | ui->ui_ctlr, ui->ui_unit); | |
1521 | mscp_printevent(mp); | |
1522 | return (MSCP_FAILED); | |
2f961121 | 1523 | } |
23a28927 KB |
1524 | /* record for (future) bad block forwarding and whatever else */ |
1525 | uda_rasave(ui->ui_unit, mp, 1); | |
1526 | return (MSCP_DONE); | |
1527 | } | |
2f961121 | 1528 | |
23a28927 KB |
1529 | /* |
1530 | * A transfer failed. We get a chance to fix or restart it. | |
1531 | * Need to write the bad block forwaring code first.... | |
1532 | */ | |
1533 | /*ARGSUSED*/ | |
1534 | udaioerror(ui, mp, bp) | |
1535 | register struct uba_device *ui; | |
1536 | register struct mscp *mp; | |
1537 | struct buf *bp; | |
1538 | { | |
1539 | ||
1540 | if (mp->mscp_flags & M_EF_BBLKR) { | |
1541 | /* | |
1542 | * A bad block report. Eventually we will | |
1543 | * restart this transfer, but for now, just | |
1544 | * log it and give up. | |
1545 | */ | |
1546 | log(LOG_ERR, "ra%d: bad block report: %d%s\n", | |
1547 | ui->ui_unit, mp->mscp_seq.seq_lbn, | |
1548 | mp->mscp_flags & M_EF_BBLKU ? " + others" : ""); | |
1549 | } else { | |
1550 | /* | |
1551 | * What the heck IS a `serious exception' anyway? | |
1552 | * IT SURE WOULD BE NICE IF DEC SOLD DOCUMENTATION | |
1553 | * FOR THEIR OWN CONTROLLERS. | |
1554 | */ | |
1555 | if (mp->mscp_flags & M_EF_SEREX) | |
1556 | log(LOG_ERR, "ra%d: serious exception reported\n", | |
1557 | ui->ui_unit); | |
2f961121 | 1558 | } |
23a28927 | 1559 | return (MSCP_FAILED); |
2f961121 MK |
1560 | } |
1561 | ||
23a28927 KB |
1562 | /* |
1563 | * A replace operation finished. | |
1564 | */ | |
1565 | /*ARGSUSED*/ | |
1566 | udareplace(ui, mp) | |
1567 | struct uba_device *ui; | |
1568 | struct mscp *mp; | |
1569 | { | |
2f961121 | 1570 | |
23a28927 KB |
1571 | panic("udareplace"); |
1572 | } | |
1573 | ||
1574 | /* | |
1575 | * A bad block related operation finished. | |
1576 | */ | |
1577 | /*ARGSUSED*/ | |
1578 | udabb(ui, mp, bp) | |
1579 | struct uba_device *ui; | |
1580 | struct mscp *mp; | |
1581 | struct buf *bp; | |
db738443 | 1582 | { |
23a28927 KB |
1583 | |
1584 | panic("udabb"); | |
db738443 | 1585 | } |
2f961121 | 1586 | |
23a28927 KB |
1587 | |
1588 | /* | |
1589 | * I/O controls. | |
1590 | */ | |
1591 | udaioctl(dev, cmd, data, flag) | |
94e9abff | 1592 | dev_t dev; |
a4a97100 MK |
1593 | int cmd; |
1594 | caddr_t data; | |
1595 | int flag; | |
94e9abff | 1596 | { |
23a28927 | 1597 | register int unit = udaunit(dev); |
a4a97100 MK |
1598 | register struct disklabel *lp; |
1599 | int error = 0; | |
1600 | ||
23a28927 | 1601 | lp = &udalabel[unit]; |
94e9abff | 1602 | |
a4a97100 MK |
1603 | switch (cmd) { |
1604 | ||
1605 | case DIOCGDINFO: | |
1606 | *(struct disklabel *)data = *lp; | |
1607 | break; | |
1608 | ||
41a38591 MK |
1609 | case DIOCGPART: |
1610 | ((struct partinfo *)data)->disklab = lp; | |
1611 | ((struct partinfo *)data)->part = | |
23a28927 | 1612 | &lp->d_partitions[udapart(dev)]; |
a4a97100 MK |
1613 | break; |
1614 | ||
1615 | case DIOCSDINFO: | |
1616 | if ((flag & FWRITE) == 0) | |
1617 | error = EBADF; | |
1618 | else | |
7e9892e0 MK |
1619 | error = setdisklabel(lp, (struct disklabel *)data, |
1620 | ra_info[unit].ra_openpart); | |
a4a97100 MK |
1621 | break; |
1622 | ||
7e9892e0 MK |
1623 | case DIOCWDINFO: |
1624 | if ((flag & FWRITE) == 0) | |
23a28927 | 1625 | error = EBADF; |
7e9892e0 MK |
1626 | else if ((error = setdisklabel(lp, (struct disklabel *)data, |
1627 | ra_info[unit].ra_openpart)) == 0) | |
1628 | error = writedisklabel(dev, udastrategy, lp); | |
a4a97100 MK |
1629 | break; |
1630 | ||
23a28927 KB |
1631 | #ifdef notyet |
1632 | case UDAIOCREPLACE: | |
1633 | /* | |
1634 | * Initiate bad block replacement for the given LBN. | |
1635 | * (Should we allow modifiers?) | |
1636 | */ | |
1637 | error = EOPNOTSUPP; | |
1638 | break; | |
1639 | ||
1640 | case UDAIOCGMICRO: | |
1641 | /* | |
1642 | * Return the microcode revision for the UDA50 running | |
1643 | * this drive. | |
1644 | */ | |
1645 | *(int *) data = uda_softc[uddinfo[unit]->ui_ctlr].sc_micro; | |
1646 | break; | |
1647 | #endif | |
1648 | ||
a4a97100 MK |
1649 | default: |
1650 | error = ENOTTY; | |
1651 | break; | |
1652 | } | |
23a28927 KB |
1653 | return (error); |
1654 | } | |
1655 | ||
1656 | /* | |
1657 | * A Unibus reset has occurred on UBA uban. Reinitialise the controller(s) | |
1658 | * on that Unibus, and requeue outstanding I/O. | |
1659 | */ | |
1660 | udareset(uban) | |
1661 | int uban; | |
1662 | { | |
1663 | register struct uba_ctlr *um; | |
1664 | register struct uda_softc *sc; | |
1665 | register int ctlr; | |
1666 | ||
1667 | for (ctlr = 0, sc = uda_softc; ctlr < NUDA; ctlr++, sc++) { | |
1668 | if ((um = udaminfo[ctlr]) == NULL || um->um_ubanum != uban || | |
1669 | um->um_alive == 0) | |
1670 | continue; | |
1671 | printf(" uda%d", ctlr); | |
1672 | ||
1673 | /* | |
1674 | * Our BDP (if any) is gone; our command (if any) is | |
1675 | * flushed; the device is no longer mapped; and the | |
1676 | * UDA50 is not yet initialised. | |
1677 | */ | |
1678 | if (um->um_bdp) { | |
1679 | printf("<%d>", UBAI_BDP(um->um_bdp)); | |
1680 | um->um_bdp = 0; | |
1681 | } | |
1682 | um->um_ubinfo = 0; | |
1683 | um->um_cmd = 0; | |
1684 | sc->sc_flags &= ~SC_MAPPED; | |
1685 | sc->sc_state = ST_IDLE; | |
1686 | ||
1687 | /* reset queues and requeue pending transfers */ | |
1688 | mscp_requeue(&sc->sc_mi); | |
1689 | ||
1690 | /* | |
1691 | * If it fails to initialise we will notice later and | |
1692 | * try again (and again...). Do not call udastart() | |
1693 | * here; it will be done after the controller finishes | |
1694 | * initialisation. | |
1695 | */ | |
1696 | if (udainit(ctlr)) | |
1697 | printf(" (hung)"); | |
1698 | } | |
1699 | } | |
1700 | ||
1701 | /* | |
1702 | * Watchdog timer: If the controller is active, and no interrupts | |
1703 | * have occurred for 30 seconds, assume it has gone away. | |
1704 | */ | |
1705 | udawatch() | |
1706 | { | |
1707 | register int i; | |
1708 | register struct uba_ctlr *um; | |
1709 | register struct uda_softc *sc; | |
1710 | ||
1711 | timeout(udawatch, (caddr_t) 0, hz); /* every second */ | |
1712 | for (i = 0, sc = uda_softc; i < NUDA; i++, sc++) { | |
1713 | if ((um = udaminfo[i]) == 0 || !um->um_alive) | |
1714 | continue; | |
1715 | if (sc->sc_state == ST_IDLE) | |
1716 | continue; | |
1717 | if (sc->sc_state == ST_RUN && !um->um_tab.b_active) | |
1718 | sc->sc_wticks = 0; | |
1719 | else if (++sc->sc_wticks >= 30) { | |
1720 | sc->sc_wticks = 0; | |
1721 | printf("uda%d: lost interrupt\n", i); | |
1722 | ubareset(um->um_ubanum); | |
1723 | } | |
1724 | } | |
1725 | } | |
1726 | ||
1727 | /* | |
1728 | * Do a panic dump. We set up the controller for one command packet | |
1729 | * and one response packet, for which we use `struct uda1'. | |
1730 | */ | |
1731 | struct uda1 { | |
1732 | struct uda1ca uda1_ca; /* communications area */ | |
1733 | struct mscp uda1_rsp; /* response packet */ | |
1734 | struct mscp uda1_cmd; /* command packet */ | |
1735 | } uda1; | |
1736 | ||
1737 | #define DBSIZE 32 /* dump 16K at a time */ | |
1738 | ||
1739 | udadump(dev) | |
1740 | dev_t dev; | |
1741 | { | |
1742 | struct udadevice *udaddr; | |
1743 | struct uda1 *ud_ubaddr; | |
1744 | char *start; | |
1745 | int num, blk, unit, maxsz, blkoff, reg; | |
1746 | struct partition *pp; | |
1747 | register struct uba_regs *uba; | |
1748 | register struct uba_device *ui; | |
1749 | register struct uda1 *ud; | |
1750 | register struct pte *io; | |
1751 | register int i; | |
1752 | ||
1753 | /* | |
1754 | * Make sure the device is a reasonable place on which to dump. | |
1755 | */ | |
1756 | unit = udaunit(dev); | |
1757 | if (unit >= NRA) | |
1758 | return (ENXIO); | |
1759 | #define phys(cast, addr) ((cast) ((int) addr & 0x7fffffff)) | |
1760 | ui = phys(struct uba_device *, udadinfo[unit]); | |
1761 | if (ui == NULL || ui->ui_alive == 0) | |
1762 | return (ENXIO); | |
1763 | ||
1764 | /* | |
1765 | * Find and initialise the UBA; get the physical address of the | |
1766 | * device registers, and of communications area and command and | |
1767 | * response packet. | |
1768 | */ | |
1769 | uba = phys(struct uba_hd *, ui->ui_hd)->uh_physuba; | |
1770 | ubainit(uba); | |
1771 | udaddr = (struct udadevice *)ui->ui_physaddr; | |
1772 | ud = phys(struct uda1 *, &uda1); | |
1773 | ||
1774 | /* | |
1775 | * Map the ca+packets into Unibus I/O space so the UDA50 can get | |
1776 | * at them. Use the registers at the end of the Unibus map (since | |
1777 | * we will use the registers at the beginning to map the memory | |
1778 | * we are dumping). | |
1779 | */ | |
1780 | num = btoc(sizeof(struct uda1)) + 1; | |
1781 | reg = NUBMREG - num; | |
1782 | io = &uba->uba_map[reg]; | |
1783 | for (i = 0; i < num; i++) | |
1784 | *(int *)io++ = UBAMR_MRV | (btop(ud) + i); | |
1785 | ud_ubaddr = (struct uda1 *)(((int)ud & PGOFSET) | (reg << 9)); | |
1786 | ||
1787 | /* | |
1788 | * Initialise the controller, with one command and one response | |
1789 | * packet. | |
1790 | */ | |
1791 | udaddr->udaip = 0; | |
1792 | if (udadumpwait(udaddr, UDA_STEP1)) | |
1793 | return (EFAULT); | |
1794 | udaddr->udasa = UDA_ERR; | |
1795 | if (udadumpwait(udaddr, UDA_STEP2)) | |
1796 | return (EFAULT); | |
1797 | udaddr->udasa = (int)&ud_ubaddr->uda1_ca.ca_rspdsc; | |
1798 | if (udadumpwait(udaddr, UDA_STEP3)) | |
1799 | return (EFAULT); | |
1800 | udaddr->udasa = ((int)&ud_ubaddr->uda1_ca.ca_rspdsc) >> 16; | |
1801 | if (udadumpwait(udaddr, UDA_STEP4)) | |
1802 | return (EFAULT); | |
1803 | uda_softc[ui->ui_ctlr].sc_micro = udaddr->udasa & 0xff; | |
1804 | udaddr->udasa = UDA_GO; | |
1805 | ||
1806 | /* | |
1807 | * Set up the command and response descriptor, then set the | |
1808 | * controller characteristics and bring the drive on line. | |
1809 | * Note that all uninitialised locations in uda1_cmd are zero. | |
1810 | */ | |
1811 | ud->uda1_ca.ca_rspdsc = (long)&ud_ubaddr->uda1_rsp.mscp_cmdref; | |
1812 | ud->uda1_ca.ca_cmddsc = (long)&ud_ubaddr->uda1_cmd.mscp_cmdref; | |
1813 | /* ud->uda1_cmd.mscp_sccc.sccc_ctlrflags = 0; */ | |
1814 | /* ud->uda1_cmd.mscp_sccc.sccc_version = 0; */ | |
1815 | if (udadumpcmd(M_OP_SETCTLRC, ud, ui)) | |
1816 | return (EFAULT); | |
1817 | ud->uda1_cmd.mscp_unit = ui->ui_slave; | |
1818 | if (udadumpcmd(M_OP_ONLINE, ud, ui)) | |
1819 | return (EFAULT); | |
1820 | ||
1821 | pp = phys(struct partition *, | |
1822 | &udalabel[unit].d_partitions[udapart(dev)]); | |
1823 | maxsz = pp->p_size; | |
1824 | blkoff = pp->p_offset; | |
1825 | ||
1826 | /* | |
1827 | * Dump all of physical memory, or as much as will fit in the | |
1828 | * space provided. | |
1829 | */ | |
1830 | start = 0; | |
1831 | num = maxfree; | |
1832 | if (dumplo < 0) | |
1833 | return (EINVAL); | |
1834 | if (dumplo + num >= maxsz) | |
1835 | num = maxsz - dumplo; | |
1836 | blkoff += dumplo; | |
1837 | ||
1838 | /* | |
1839 | * Write out memory, DBSIZE pages at a time. | |
1840 | * N.B.: this code depends on the fact that the sector | |
1841 | * size == the page size. | |
1842 | */ | |
1843 | while (num > 0) { | |
1844 | blk = num > DBSIZE ? DBSIZE : num; | |
1845 | io = uba->uba_map; | |
1846 | /* | |
1847 | * Map in the pages to write, leaving an invalid entry | |
1848 | * at the end to guard against wild Unibus transfers. | |
1849 | * Then do the write. | |
1850 | */ | |
1851 | for (i = 0; i < blk; i++) | |
1852 | *(int *) io++ = UBAMR_MRV | (btop(start) + i); | |
1853 | *(int *) io = 0; | |
1854 | ud->uda1_cmd.mscp_unit = ui->ui_slave; | |
1855 | ud->uda1_cmd.mscp_seq.seq_lbn = btop(start) + blkoff; | |
1856 | ud->uda1_cmd.mscp_seq.seq_bytecount = blk << PGSHIFT; | |
1857 | if (udadumpcmd(M_OP_WRITE, ud, ui)) | |
1858 | return (EIO); | |
1859 | start += blk << PGSHIFT; | |
1860 | num -= blk; | |
1861 | } | |
1862 | return (0); /* made it! */ | |
1863 | } | |
1864 | ||
1865 | /* | |
1866 | * Wait for some of the bits in `bits' to come on. If the error bit | |
1867 | * comes on, or ten seconds pass without response, return true (error). | |
1868 | */ | |
1869 | udadumpwait(udaddr, bits) | |
1870 | register struct udadevice *udaddr; | |
1871 | register int bits; | |
1872 | { | |
1873 | register int timo = todr() + 1000; | |
1874 | ||
1875 | while ((udaddr->udasa & bits) == 0) { | |
1876 | if (udaddr->udasa & UDA_ERR) { | |
1877 | printf("udasa=%b\ndump ", udaddr->udasa, udasr_bits); | |
1878 | return (1); | |
1879 | } | |
1880 | if (todr() >= timo) { | |
1881 | printf("timeout\ndump "); | |
1882 | return (1); | |
1883 | } | |
1884 | } | |
1885 | return (0); | |
1886 | } | |
1887 | ||
1888 | /* | |
1889 | * Feed a command to the UDA50, wait for its response, and return | |
1890 | * true iff something went wrong. | |
1891 | */ | |
1892 | udadumpcmd(op, ud, ui) | |
1893 | int op; | |
1894 | register struct uda1 *ud; | |
1895 | struct uba_device *ui; | |
1896 | { | |
1897 | register struct udadevice *udaddr; | |
1898 | register int n; | |
1899 | #define mp (&ud->uda1_rsp) | |
1900 | ||
1901 | udaddr = (struct udadevice *) ui->ui_physaddr; | |
1902 | ud->uda1_cmd.mscp_opcode = op; | |
1903 | ud->uda1_cmd.mscp_msglen = MSCP_MSGLEN; | |
1904 | ud->uda1_rsp.mscp_msglen = MSCP_MSGLEN; | |
1905 | ud->uda1_ca.ca_rspdsc |= MSCP_OWN | MSCP_INT; | |
1906 | ud->uda1_ca.ca_cmddsc |= MSCP_OWN | MSCP_INT; | |
1907 | if (udaddr->udasa & UDA_ERR) { | |
1908 | printf("udasa=%b\ndump ", udaddr->udasa, udasr_bits); | |
1909 | return (1); | |
1910 | } | |
1911 | n = udaddr->udaip; | |
1912 | n = todr() + 1000; | |
1913 | for (;;) { | |
1914 | if (todr() > n) { | |
1915 | printf("timeout\ndump "); | |
1916 | return (1); | |
1917 | } | |
1918 | if (ud->uda1_ca.ca_cmdint) | |
1919 | ud->uda1_ca.ca_cmdint = 0; | |
1920 | if (ud->uda1_ca.ca_rspint == 0) | |
1921 | continue; | |
1922 | ud->uda1_ca.ca_rspint = 0; | |
1923 | if (mp->mscp_opcode == (op | M_OP_END)) | |
1924 | break; | |
1925 | printf("\n"); | |
1926 | switch (MSCP_MSGTYPE(mp->mscp_msgtc)) { | |
1927 | ||
1928 | case MSCPT_SEQ: | |
1929 | printf("sequential"); | |
1930 | break; | |
1931 | ||
1932 | case MSCPT_DATAGRAM: | |
1933 | mscp_decodeerror("uda", ui->ui_ctlr, mp); | |
1934 | printf("datagram"); | |
1935 | break; | |
1936 | ||
1937 | case MSCPT_CREDITS: | |
1938 | printf("credits"); | |
1939 | break; | |
1940 | ||
1941 | case MSCPT_MAINTENANCE: | |
1942 | printf("maintenance"); | |
1943 | break; | |
1944 | ||
1945 | default: | |
1946 | printf("unknown (type 0x%x)", | |
1947 | MSCP_MSGTYPE(mp->mscp_msgtc)); | |
1948 | break; | |
1949 | } | |
1950 | printf(" ignored\ndump "); | |
1951 | ud->uda1_ca.ca_rspdsc |= MSCP_OWN | MSCP_INT; | |
1952 | } | |
1953 | if ((mp->mscp_status & M_ST_MASK) != M_ST_SUCCESS) { | |
1954 | printf("error: op 0x%x => 0x%x status 0x%x\ndump ", op, | |
1955 | mp->mscp_opcode, mp->mscp_status); | |
1956 | return (1); | |
1957 | } | |
a4a97100 | 1958 | return (0); |
23a28927 | 1959 | #undef mp |
a4a97100 MK |
1960 | } |
1961 | ||
23a28927 KB |
1962 | /* |
1963 | * Return the size of a partition, if known, or -1 if not. | |
1964 | */ | |
1965 | udasize(dev) | |
a4a97100 MK |
1966 | dev_t dev; |
1967 | { | |
23a28927 | 1968 | register int unit = udaunit(dev); |
a4a97100 | 1969 | register struct uba_device *ui; |
23a28927 | 1970 | register struct size *st; |
a4a97100 | 1971 | |
23a28927 KB |
1972 | if (unit >= NRA || (ui = udadinfo[unit]) == NULL || |
1973 | ui->ui_alive == 0 || (ui->ui_flags & UNIT_ONLINE) == 0 || | |
1974 | ra_info[unit].ra_state != OPEN) | |
94e9abff | 1975 | return (-1); |
23a28927 | 1976 | return ((int)udalabel[unit].d_partitions[udapart(dev)].p_size); |
94e9abff | 1977 | } |
2f961121 | 1978 | |
a4a97100 | 1979 | #ifdef COMPAT_42 |
23a28927 KB |
1980 | /* |
1981 | * Tables mapping unlabelled drives. | |
1982 | */ | |
a4a97100 MK |
1983 | struct size { |
1984 | daddr_t nblocks; | |
1985 | daddr_t blkoff; | |
23a28927 | 1986 | } ra25_sizes[8] = { |
a4a97100 MK |
1987 | 15884, 0, /* A=blk 0 thru 15883 */ |
1988 | 10032, 15884, /* B=blk 15884 thru 49323 */ | |
1989 | -1, 0, /* C=blk 0 thru end */ | |
1990 | 0, 0, /* D=blk 340670 thru 356553 */ | |
1991 | 0, 0, /* E=blk 356554 thru 412489 */ | |
1992 | 0, 0, /* F=blk 412490 thru end */ | |
1993 | -1, 25916, /* G=blk 49324 thru 131403 */ | |
1994 | 0, 0, /* H=blk 131404 thru end */ | |
23a28927 KB |
1995 | }, rx50_sizes[8] = { |
1996 | 800, 0, /* A=blk 0 thru 799 */ | |
1997 | 0, 0, | |
1998 | -1, 0, /* C=blk 0 thru end */ | |
1999 | 0, 0, | |
2000 | 0, 0, | |
2001 | 0, 0, | |
2002 | 0, 0, | |
2003 | 0, 0, | |
a4a97100 MK |
2004 | }, rd52_sizes[8] = { |
2005 | 15884, 0, /* A=blk 0 thru 15883 */ | |
2006 | 9766, 15884, /* B=blk 15884 thru 25649 */ | |
2007 | -1, 0, /* C=blk 0 thru end */ | |
2008 | 0, 0, /* D=unused */ | |
2009 | 0, 0, /* E=unused */ | |
2010 | 0, 0, /* F=unused */ | |
2011 | -1, 25650, /* G=blk 25650 thru end */ | |
2012 | 0, 0, /* H=unused */ | |
2013 | }, rd53_sizes[8] = { | |
2014 | 15884, 0, /* A=blk 0 thru 15883 */ | |
2015 | 33440, 15884, /* B=blk 15884 thru 49323 */ | |
2016 | -1, 0, /* C=blk 0 thru end */ | |
2017 | 0, 0, /* D=unused */ | |
2018 | 33440, 0, /* E=blk 0 thru 33439 */ | |
2019 | -1, 33440, /* F=blk 33440 thru end */ | |
2020 | -1, 49324, /* G=blk 49324 thru end */ | |
2021 | -1, 15884, /* H=blk 15884 thru end */ | |
2022 | }, ra60_sizes[8] = { | |
2023 | 15884, 0, /* A=sectors 0 thru 15883 */ | |
2024 | 33440, 15884, /* B=sectors 15884 thru 49323 */ | |
2025 | 400176, 0, /* C=sectors 0 thru 400175 */ | |
2026 | 82080, 49324, /* 4.2 G => D=sectors 49324 thru 131403 */ | |
2027 | 268772, 131404, /* 4.2 H => E=sectors 131404 thru 400175 */ | |
2028 | 350852, 49324, /* F=sectors 49324 thru 400175 */ | |
2029 | 157570, 242606, /* UCB G => G=sectors 242606 thru 400175 */ | |
2030 | 193282, 49324, /* UCB H => H=sectors 49324 thru 242605 */ | |
2031 | }, ra80_sizes[8] = { | |
2032 | 15884, 0, /* A=sectors 0 thru 15883 */ | |
2033 | 33440, 15884, /* B=sectors 15884 thru 49323 */ | |
2034 | 242606, 0, /* C=sectors 0 thru 242605 */ | |
2035 | 0, 0, /* D=unused */ | |
2036 | 193282, 49324, /* UCB H => E=sectors 49324 thru 242605 */ | |
2037 | 82080, 49324, /* 4.2 G => F=sectors 49324 thru 131403 */ | |
2038 | 192696, 49910, /* G=sectors 49910 thru 242605 */ | |
2039 | 111202, 131404, /* 4.2 H => H=sectors 131404 thru 242605 */ | |
2040 | }, ra81_sizes[8] ={ | |
2041 | /* | |
2042 | * These are the new standard partition sizes for ra81's. | |
2043 | * An RA_COMPAT system is compiled with D, E, and F corresponding | |
2044 | * to the 4.2 partitions for G, H, and F respectively. | |
2045 | */ | |
2046 | #ifndef UCBRA | |
2047 | 15884, 0, /* A=sectors 0 thru 15883 */ | |
2048 | 66880, 16422, /* B=sectors 16422 thru 83301 */ | |
2049 | 891072, 0, /* C=sectors 0 thru 891071 */ | |
2050 | #ifdef RA_COMPAT | |
2051 | 82080, 49324, /* 4.2 G => D=sectors 49324 thru 131403 */ | |
2052 | 759668, 131404, /* 4.2 H => E=sectors 131404 thru 891071 */ | |
2053 | 478582, 412490, /* 4.2 F => F=sectors 412490 thru 891071 */ | |
2054 | #else | |
2055 | 15884, 375564, /* D=sectors 375564 thru 391447 */ | |
2056 | 307200, 391986, /* E=sectors 391986 thru 699185 */ | |
2057 | 191352, 699720, /* F=sectors 699720 thru 891071 */ | |
2058 | #endif RA_COMPAT | |
2059 | 515508, 375564, /* G=sectors 375564 thru 891071 */ | |
2060 | 291346, 83538, /* H=sectors 83538 thru 374883 */ | |
2061 | ||
2062 | /* | |
2063 | * These partitions correspond to the sizes used by sites at Berkeley, | |
2064 | * and by those sites that have received copies of the Berkeley driver | |
2065 | * with deltas 6.2 or greater (11/15/83). | |
2066 | */ | |
2067 | #else UCBRA | |
2068 | ||
2069 | 15884, 0, /* A=sectors 0 thru 15883 */ | |
2070 | 33440, 15884, /* B=sectors 15884 thru 49323 */ | |
2071 | 891072, 0, /* C=sectors 0 thru 891071 */ | |
2072 | 15884, 242606, /* D=sectors 242606 thru 258489 */ | |
2073 | 307200, 258490, /* E=sectors 258490 thru 565689 */ | |
2074 | 325382, 565690, /* F=sectors 565690 thru 891071 */ | |
2075 | 648466, 242606, /* G=sectors 242606 thru 891071 */ | |
2076 | 193282, 49324, /* H=sectors 49324 thru 242605 */ | |
2077 | ||
2078 | #endif UCBRA | |
2079 | }; | |
2080 | ||
23a28927 KB |
2081 | /* |
2082 | * Drive type index decoding table. `ut_name' is null iff the | |
2083 | * type is not known. | |
2084 | */ | |
2085 | struct udatypes { | |
2086 | char *ut_name; /* drive type name */ | |
2087 | struct size *ut_sizes; /* partition tables */ | |
2088 | int ut_nsectors, ut_ntracks, ut_ncylinders; | |
2089 | } udatypes[] = { | |
2090 | NULL, NULL, | |
2091 | 0, 0, 0, | |
2092 | "ra80", ra80_sizes, /* 1 = ra80 */ | |
2093 | 31, 14, 559, | |
2094 | "rc25-removable", ra25_sizes, /* 2 = rc25-r */ | |
2095 | 42, 4, 302, | |
2096 | "rc25-fixed", ra25_sizes, /* 3 = rc25-f */ | |
2097 | 42, 4, 302, | |
2098 | "ra60", ra60_sizes, /* 4 = ra60 */ | |
2099 | 42, 4, 2382, | |
2100 | "ra81", ra81_sizes, /* 5 = ra81 */ | |
2101 | 51, 14, 1248, | |
2102 | NULL, NULL, /* 6 = ? */ | |
2103 | 0, 0, 0, | |
2104 | "rx50", rx50_sizes, /* 7 = rx50 */ | |
2105 | 10, 1, 80, | |
2106 | "rd52", rd52_sizes, /* 8 = rd52 */ | |
2107 | 18, 7, 480, | |
2108 | "rd53", rd53_sizes, /* 9 = rd53 */ | |
2109 | 18, 8, 963, | |
2110 | }; | |
2111 | ||
2112 | #define NTYPES (sizeof(udatypes) / sizeof(*udatypes)) | |
2113 | ||
2114 | udamaptype(unit, lp) | |
2115 | int unit; | |
a4a97100 MK |
2116 | register struct disklabel *lp; |
2117 | { | |
23a28927 KB |
2118 | register struct udatypes *ut; |
2119 | register struct size *sz; | |
a4a97100 | 2120 | register struct partition *pp; |
23a28927 KB |
2121 | register char *p; |
2122 | register int i; | |
2123 | register struct ra_info *ra = &ra_info[unit]; | |
2124 | ||
2125 | lp->d_secsize = 512; | |
2126 | lp->d_secperunit = ra->ra_dsize; | |
2127 | if ((u_long)ra->ra_type >= NTYPES) { | |
2128 | printf("ra%d: don't have a partition table for", unit); | |
2129 | mscp_printmedia(ra->ra_mediaid); | |
2130 | lp->d_nsectors = ra->ra_geom.rg_nsectors; | |
2131 | lp->d_ntracks = ra->ra_geom.rg_ntracks; | |
2132 | lp->d_ncylinders = ra->ra_geom.rg_ncyl; | |
2133 | printf(";\nusing (t,s,c)=(%d,%d,%d)\n", lp->d_nsectors, | |
2134 | lp->d_ntracks, lp->d_ncylinders); | |
2135 | lp->d_secpercyl = lp->d_nsectors * lp->d_ntracks; | |
2136 | lp->d_typename[0] = 'r'; | |
2137 | lp->d_typename[1] = 'a'; | |
2138 | lp->d_typename[2] = '?'; | |
2139 | lp->d_typename[3] = '?'; | |
2140 | lp->d_typename[4] = 0; | |
a4a97100 MK |
2141 | lp->d_npartitions = 1; |
2142 | lp->d_partitions[0].p_offset = 0; | |
2143 | lp->d_partitions[0].p_size = lp->d_secperunit; | |
2144 | return (0); | |
2145 | } | |
23a28927 KB |
2146 | ut = &udatypes[ra->ra_type]; |
2147 | p = ut->ut_name; | |
2148 | for (i = 0; i < sizeof(lp->d_typename) - 1 && *p; i++) | |
2149 | lp->d_typename[i] = *p++; | |
2150 | lp->d_typename[i] = 0; | |
2151 | sz = ut->ut_sizes; | |
2152 | /* GET nsectors, ntracks, ncylinders FROM SAVED GEOMETRY? */ | |
2153 | lp->d_nsectors = ut->ut_nsectors; | |
2154 | lp->d_ntracks = ut->ut_ntracks; | |
2155 | lp->d_ncylinders = ut->ut_ncylinders; | |
a4a97100 MK |
2156 | lp->d_npartitions = 8; |
2157 | lp->d_secpercyl = lp->d_nsectors * lp->d_ntracks; | |
23a28927 KB |
2158 | for (pp = lp->d_partitions; pp < &lp->d_partitions[8]; pp++, sz++) { |
2159 | pp->p_offset = sz->blkoff; | |
2160 | if ((pp->p_size = sz->nblocks) == (u_long)-1) | |
2161 | pp->p_size = ra->ra_dsize - sz->blkoff; | |
a4a97100 MK |
2162 | } |
2163 | return (1); | |
2164 | } | |
23a28927 KB |
2165 | #endif /* COMPAT_42 */ |
2166 | #endif /* NUDA > 0 */ |