Commit | Line | Data |
---|---|---|
1c509b5e | 1 | /* rk.c 4.22 %G% */ |
d483c58c | 2 | |
66b4fb09 | 3 | #include "rk.h" |
872b4e09 | 4 | #if NHK > 0 |
28de6ed0 | 5 | int rkwaitdry; |
d483c58c | 6 | /* |
0801d37f | 7 | * RK11/RK07 disk driver |
9037157b BJ |
8 | * |
9 | * This driver mimics up.c; see it for an explanation of common code. | |
ed687006 | 10 | * |
c9e9b65b | 11 | * TODO: |
c9e9b65b BJ |
12 | * Add reading of bad sector information and disk layout from sector 1 |
13 | * Add bad sector forwarding code | |
736f0c13 | 14 | * Why do we lose an interrupt sometime when spinning drives down? |
d483c58c | 15 | */ |
0801d37f | 16 | #define DELAY(i) { register int j; j = i; while (--j > 0); } |
d483c58c BJ |
17 | #include "../h/param.h" |
18 | #include "../h/systm.h" | |
19 | #include "../h/buf.h" | |
20 | #include "../h/conf.h" | |
21 | #include "../h/dir.h" | |
22 | #include "../h/user.h" | |
23 | #include "../h/pte.h" | |
24 | #include "../h/map.h" | |
0801d37f | 25 | #include "../h/vm.h" |
d483c58c BJ |
26 | #include "../h/uba.h" |
27 | #include "../h/dk.h" | |
0801d37f BJ |
28 | #include "../h/cpu.h" |
29 | #include "../h/cmap.h" | |
30 | ||
31 | #include "../h/rkreg.h" | |
d483c58c | 32 | |
0801d37f BJ |
33 | struct rk_softc { |
34 | int sc_softas; | |
35 | int sc_ndrive; | |
36 | int sc_wticks; | |
37 | int sc_recal; | |
872b4e09 | 38 | } rk_softc[NHK]; |
0801d37f BJ |
39 | |
40 | /* THIS SHOULD BE READ OFF THE PACK, PER DRIVE */ | |
c84ff1f9 | 41 | struct size { |
0801d37f | 42 | daddr_t nblocks; |
d483c58c | 43 | int cyloff; |
0801d37f BJ |
44 | } rk7_sizes[] ={ |
45 | 15884, 0, /* A=cyl 0 thru 240 */ | |
22717fbb BJ |
46 | 10032, 241, /* B=cyl 241 thru 392 */ |
47 | 53790, 0, /* C=cyl 0 thru 814 */ | |
d483c58c BJ |
48 | 0, 0, |
49 | 0, 0, | |
50 | 0, 0, | |
0801d37f | 51 | 27786, 393, /* G=cyl 393 thru 813 */ |
d483c58c | 52 | 0, 0, |
d483c58c | 53 | }; |
0801d37f BJ |
54 | /* END OF STUFF WHICH SHOULD BE READ IN PER DISK */ |
55 | ||
56 | int rkprobe(), rkslave(), rkattach(), rkdgo(), rkintr(); | |
872b4e09 BJ |
57 | struct uba_minfo *rkminfo[NHK]; |
58 | struct uba_dinfo *rkdinfo[NRK]; | |
59 | struct uba_dinfo *rkip[NHK][4]; | |
0801d37f BJ |
60 | |
61 | u_short rkstd[] = { 0777440, 0 }; | |
62 | struct uba_driver hkdriver = | |
9037157b | 63 | { rkprobe, rkslave, rkattach, rkdgo, rkstd, "rk", rkdinfo, "hk", rkminfo, 1 }; |
872b4e09 BJ |
64 | struct buf rkutab[NRK]; |
65 | short rkcyl[NRK]; | |
0801d37f BJ |
66 | |
67 | struct rkst { | |
68 | short nsect; | |
69 | short ntrak; | |
70 | short nspc; | |
71 | short ncyl; | |
72 | struct size *sizes; | |
73 | } rkst[] = { | |
74 | NRKSECT, NRKTRK, NRKSECT*NRKTRK, NRK7CYL, rk7_sizes, | |
75 | }; | |
76 | ||
77 | u_char rk_offset[16] = | |
78 | { P400,M400,P400,M400,P800,M800,P800,M800,P1200,M1200,P1200,M1200,0,0,0,0 }; | |
79 | ||
872b4e09 | 80 | struct buf rrkbuf[NRK]; |
0801d37f BJ |
81 | |
82 | #define b_cylin b_resid | |
83 | ||
84 | #ifdef INTRLVE | |
85 | daddr_t dkblock(); | |
86 | #endif | |
87 | ||
88 | int rkwstart, rkwatch(); | |
89 | ||
90 | rkprobe(reg) | |
91 | caddr_t reg; | |
92 | { | |
93 | register int br, cvec; | |
94 | ||
95 | #ifdef lint | |
96 | br = 0; cvec = br; br = cvec; | |
97 | #endif | |
98 | ((struct rkdevice *)reg)->rkcs1 = RK_CDT|RK_IE|RK_CRDY; | |
99 | DELAY(10); | |
100 | ((struct rkdevice *)reg)->rkcs1 = RK_CDT; | |
101 | return (1); | |
102 | } | |
103 | ||
104 | rkslave(ui, reg) | |
105 | struct uba_dinfo *ui; | |
106 | caddr_t reg; | |
107 | { | |
108 | register struct rkdevice *rkaddr = (struct rkdevice *)reg; | |
109 | ||
28de6ed0 | 110 | rkaddr->rkcs1 = RK_CDT|RK_CCLR; |
0801d37f | 111 | rkaddr->rkcs2 = ui->ui_slave; |
28de6ed0 | 112 | rkaddr->rkcs1 = RK_CDT|RK_SELECT|RK_GO; |
9037157b | 113 | rkwait(rkaddr); |
28de6ed0 BJ |
114 | DELAY(50); |
115 | if (rkaddr->rkcs2&RK_NED || (rkaddr->rkds&RK_SVAL) == 0) { | |
0801d37f BJ |
116 | rkaddr->rkcs1 = RK_CDT|RK_CCLR; |
117 | return (0); | |
118 | } | |
119 | return (1); | |
120 | } | |
d483c58c | 121 | |
0801d37f BJ |
122 | rkattach(ui) |
123 | register struct uba_dinfo *ui; | |
124 | { | |
125 | ||
126 | if (rkwstart == 0) { | |
7780575a | 127 | timeout(rkwatch, (caddr_t)0, hz); |
0801d37f BJ |
128 | rkwstart++; |
129 | } | |
130 | if (ui->ui_dk >= 0) | |
7780575a | 131 | dk_mspw[ui->ui_dk] = 1.0 / (60 * NRKSECT * 256); |
0801d37f BJ |
132 | rkip[ui->ui_ctlr][ui->ui_slave] = ui; |
133 | rk_softc[ui->ui_ctlr].sc_ndrive++; | |
134 | rkcyl[ui->ui_unit] = -1; | |
135 | } | |
136 | ||
d483c58c | 137 | rkstrategy(bp) |
0801d37f | 138 | register struct buf *bp; |
d483c58c | 139 | { |
0801d37f BJ |
140 | register struct uba_dinfo *ui; |
141 | register struct rkst *st; | |
142 | register int unit; | |
143 | register struct buf *dp; | |
144 | int xunit = minor(bp->b_dev) & 07; | |
145 | long bn, sz; | |
146 | ||
147 | sz = (bp->b_bcount+511) >> 9; | |
148 | unit = dkunit(bp); | |
872b4e09 | 149 | if (unit >= NRK) |
0801d37f BJ |
150 | goto bad; |
151 | ui = rkdinfo[unit]; | |
152 | if (ui == 0 || ui->ui_alive == 0) | |
153 | goto bad; | |
154 | st = &rkst[ui->ui_type]; | |
155 | if (bp->b_blkno < 0 || | |
156 | (bn = dkblock(bp))+sz > st->sizes[xunit].nblocks) | |
157 | goto bad; | |
158 | bp->b_cylin = bn/st->nspc + st->sizes[xunit].cyloff; | |
159 | (void) spl5(); | |
160 | dp = &rkutab[ui->ui_unit]; | |
161 | disksort(dp, bp); | |
162 | if (dp->b_active == 0) { | |
163 | (void) rkustart(ui); | |
164 | bp = &ui->ui_mi->um_tab; | |
165 | if (bp->b_actf && bp->b_active == 0) | |
166 | (void) rkstart(ui->ui_mi); | |
d483c58c | 167 | } |
0801d37f BJ |
168 | (void) spl0(); |
169 | return; | |
170 | ||
171 | bad: | |
172 | bp->b_flags |= B_ERROR; | |
173 | iodone(bp); | |
174 | return; | |
d483c58c BJ |
175 | } |
176 | ||
0801d37f BJ |
177 | rkustart(ui) |
178 | register struct uba_dinfo *ui; | |
179 | { | |
180 | register struct buf *bp, *dp; | |
181 | register struct uba_minfo *um; | |
182 | register struct rkdevice *rkaddr; | |
183 | register struct rkst *st; | |
184 | daddr_t bn; | |
185 | int sn, csn; | |
186 | int didie = 0; | |
187 | ||
188 | if (ui == 0) | |
189 | return (0); | |
190 | dk_busy &= ~(1<<ui->ui_dk); | |
191 | dp = &rkutab[ui->ui_unit]; | |
0801d37f | 192 | um = ui->ui_mi; |
28de6ed0 | 193 | rkaddr = (struct rkdevice *)um->um_addr; |
0801d37f BJ |
194 | if (um->um_tab.b_active) { |
195 | rk_softc[um->um_ctlr].sc_softas |= 1<<ui->ui_slave; | |
196 | return (0); | |
197 | } | |
0801d37f BJ |
198 | rkaddr->rkcs1 = RK_CDT|RK_CERR; |
199 | rkaddr->rkcs2 = ui->ui_slave; | |
200 | rkaddr->rkcs1 = RK_CDT|RK_SELECT|RK_GO; | |
201 | rkwait(rkaddr); | |
736f0c13 BJ |
202 | if ((bp = dp->b_actf) == NULL) { |
203 | rkaddr->rkcs1 = RK_CDT|RK_DCLR|RK_GO; | |
204 | rkwait(rkaddr); | |
205 | return (0); | |
206 | } | |
0801d37f BJ |
207 | if ((rkaddr->rkds & RK_VV) == 0) { |
208 | /* SHOULD WARN SYSTEM THAT THIS HAPPENED */ | |
28de6ed0 | 209 | rkaddr->rkcs1 = RK_CDT|RK_PACK|RK_GO; |
0801d37f | 210 | rkwait(rkaddr); |
0801d37f | 211 | } |
736f0c13 BJ |
212 | if (dp->b_active) |
213 | goto done; | |
214 | dp->b_active = 1; | |
28de6ed0 BJ |
215 | if ((rkaddr->rkds & RK_DREADY) != RK_DREADY) |
216 | goto done; | |
0801d37f BJ |
217 | if (rk_softc[um->um_ctlr].sc_ndrive == 1) |
218 | goto done; | |
219 | if (bp->b_cylin == rkcyl[ui->ui_unit]) | |
220 | goto done; | |
221 | rkaddr->rkcyl = bp->b_cylin; | |
222 | rkcyl[ui->ui_unit] = bp->b_cylin; | |
223 | rkaddr->rkcs1 = RK_CDT|RK_IE|RK_SEEK|RK_GO; | |
224 | didie = 1; | |
225 | if (ui->ui_dk >= 0) { | |
226 | dk_busy |= 1<<ui->ui_dk; | |
227 | dk_seek[ui->ui_dk]++; | |
228 | } | |
229 | goto out; | |
230 | done: | |
231 | if (dp->b_active != 2) { | |
232 | dp->b_forw = NULL; | |
233 | if (um->um_tab.b_actf == NULL) | |
234 | um->um_tab.b_actf = dp; | |
235 | else | |
236 | um->um_tab.b_actl->b_forw = dp; | |
237 | um->um_tab.b_actl = dp; | |
238 | dp->b_active = 2; | |
239 | } | |
240 | out: | |
241 | return (didie); | |
242 | } | |
d483c58c | 243 | |
0801d37f BJ |
244 | rkstart(um) |
245 | register struct uba_minfo *um; | |
d483c58c | 246 | { |
0801d37f BJ |
247 | register struct buf *bp, *dp; |
248 | register struct uba_dinfo *ui; | |
249 | register struct rkdevice *rkaddr; | |
250 | struct rkst *st; | |
d483c58c | 251 | daddr_t bn; |
0801d37f | 252 | int sn, tn, cmd; |
28de6ed0 | 253 | int waitdry; |
0801d37f BJ |
254 | |
255 | loop: | |
256 | if ((dp = um->um_tab.b_actf) == NULL) | |
257 | return (0); | |
258 | if ((bp = dp->b_actf) == NULL) { | |
259 | um->um_tab.b_actf = dp->b_forw; | |
260 | goto loop; | |
d483c58c | 261 | } |
0801d37f BJ |
262 | um->um_tab.b_active++; |
263 | ui = rkdinfo[dkunit(bp)]; | |
264 | bn = dkblock(bp); | |
265 | st = &rkst[ui->ui_type]; | |
266 | sn = bn%st->nspc; | |
267 | tn = sn/st->nsect; | |
268 | sn %= st->nsect; | |
269 | rkaddr = (struct rkdevice *)ui->ui_addr; | |
270 | rkaddr->rkcs1 = RK_CDT|RK_CERR; | |
271 | rkaddr->rkcs2 = ui->ui_slave; | |
272 | rkaddr->rkcs1 = RK_CDT|RK_SELECT|RK_GO; | |
273 | rkwait(rkaddr); | |
28de6ed0 BJ |
274 | waitdry = 0; |
275 | while ((rkaddr->rkds&RK_SVAL) == 0) { | |
276 | if (++waitdry > 32) | |
277 | break; | |
278 | rkwaitdry++; | |
279 | } | |
280 | if ((rkaddr->rkds&RK_DREADY) != RK_DREADY) { | |
68347e63 | 281 | printf("rk%d: not ready", dkunit(bp)); |
28de6ed0 BJ |
282 | if ((rkaddr->rkds&RK_DREADY) != RK_DREADY) { |
283 | printf("\n"); | |
284 | rkaddr->rkcs1 = RK_CDT|RK_DCLR|RK_GO; | |
285 | rkwait(rkaddr); | |
286 | rkaddr->rkcs1 = RK_CDT|RK_CERR; | |
287 | rkwait(rkaddr); | |
288 | um->um_tab.b_active = 0; | |
289 | um->um_tab.b_errcnt = 0; | |
290 | dp->b_actf = bp->av_forw; | |
291 | dp->b_active = 0; | |
292 | bp->b_flags |= B_ERROR; | |
293 | iodone(bp); | |
294 | goto loop; | |
295 | } | |
296 | printf(" (came back!)\n"); | |
297 | } | |
0801d37f BJ |
298 | if (um->um_tab.b_errcnt >= 16 && (bp->b_flags&B_READ) != 0) { |
299 | rkaddr->rkatt = rk_offset[um->um_tab.b_errcnt & 017]; | |
300 | rkaddr->rkcs1 = RK_CDT|RK_OFFSET|RK_GO; | |
301 | rkwait(rkaddr); | |
d483c58c | 302 | } |
0801d37f BJ |
303 | rkaddr->rkcyl = bp->b_cylin; |
304 | rkcyl[ui->ui_unit] = bp->b_cylin; | |
305 | rkaddr->rkda = (tn << 8) + sn; | |
306 | rkaddr->rkwc = -bp->b_bcount / sizeof (short); | |
307 | if (bp->b_flags & B_READ) | |
308 | cmd = RK_CDT|RK_IE|RK_READ|RK_GO; | |
309 | else | |
310 | cmd = RK_CDT|RK_IE|RK_WRITE|RK_GO; | |
311 | um->um_cmd = cmd; | |
312 | ubago(ui); | |
313 | return (1); | |
d483c58c BJ |
314 | } |
315 | ||
0801d37f BJ |
316 | rkdgo(um) |
317 | register struct uba_minfo *um; | |
d483c58c | 318 | { |
0801d37f BJ |
319 | register struct rkdevice *rkaddr = (struct rkdevice *)um->um_addr; |
320 | ||
321 | rkaddr->rkba = um->um_ubinfo; | |
322 | rkaddr->rkcs1 = um->um_cmd|((um->um_ubinfo>>8)&0x300); | |
323 | } | |
324 | ||
443c8066 | 325 | rkintr(rk11) |
0801d37f BJ |
326 | int rk11; |
327 | { | |
328 | register struct uba_minfo *um = rkminfo[rk11]; | |
329 | register struct uba_dinfo *ui; | |
330 | register struct rkdevice *rkaddr = (struct rkdevice *)um->um_addr; | |
331 | register struct buf *bp, *dp; | |
332 | int unit; | |
333 | struct rk_softc *sc = &rk_softc[um->um_ctlr]; | |
334 | int as = (rkaddr->rkatt >> 8) | sc->sc_softas; | |
335 | int needie = 1; | |
336 | ||
337 | sc->sc_wticks = 0; | |
338 | sc->sc_softas = 0; | |
339 | if (um->um_tab.b_active) { | |
340 | dp = um->um_tab.b_actf; | |
341 | bp = dp->b_actf; | |
342 | ui = rkdinfo[dkunit(bp)]; | |
343 | dk_busy &= ~(1 << ui->ui_dk); | |
344 | if (rkaddr->rkcs1 & RK_CERR) { | |
345 | int recal; | |
346 | u_short ds = rkaddr->rkds; | |
347 | u_short cs2 = rkaddr->rkcs2; | |
348 | u_short er = rkaddr->rker; | |
ed687006 | 349 | if (ds & RK_WLE) { |
68347e63 | 350 | printf("rk%d: write locked\n", dkunit(bp)); |
ed687006 BJ |
351 | bp->b_flags |= B_ERROR; |
352 | } else if (++um->um_tab.b_errcnt > 28 || | |
736772ef | 353 | ds&RKDS_HARD || er&RKER_HARD || cs2&RKCS2_HARD) { |
0801d37f | 354 | bp->b_flags |= B_ERROR; |
68347e63 BJ |
355 | harderr(bp, "rk"); |
356 | printf("cs2=%b ds=%b er=%b\n", | |
28de6ed0 | 357 | cs2, RKCS2_BITS, ds, |
736772ef BJ |
358 | RKDS_BITS, er, RKER_BITS); |
359 | } else | |
0801d37f | 360 | um->um_tab.b_active = 0; |
0801d37f BJ |
361 | if (cs2&RK_MDS) { |
362 | rkaddr->rkcs2 = RK_SCLR; | |
363 | goto retry; | |
364 | } | |
365 | recal = 0; | |
366 | if (ds&RK_DROT || er&(RK_OPI|RK_SKI|RK_UNS) || | |
367 | (um->um_tab.b_errcnt&07) == 4) | |
368 | recal = 1; | |
369 | if ((er & (RK_DCK|RK_ECH)) == RK_DCK) | |
370 | if (rkecc(ui)) | |
371 | return; | |
372 | rkaddr->rkcs1 = RK_CDT|RK_CCLR; | |
373 | rkaddr->rkcs2 = ui->ui_slave; | |
374 | rkaddr->rkcs1 = RK_CDT|RK_DCLR|RK_GO; | |
375 | rkwait(rkaddr); | |
376 | if (recal && um->um_tab.b_active == 0) { | |
377 | rkaddr->rkcs1 = RK_CDT|RK_IE|RK_RECAL|RK_GO; | |
378 | rkcyl[ui->ui_unit] = -1; | |
379 | rkwait(rkaddr); | |
380 | um->um_tab.b_active = 1; | |
381 | sc->sc_recal = 1; | |
382 | return; | |
d483c58c | 383 | } |
d483c58c | 384 | } |
0801d37f BJ |
385 | retry: |
386 | if (sc->sc_recal) { | |
387 | sc->sc_recal = 0; | |
388 | um->um_tab.b_active = 0; | |
d483c58c | 389 | } |
0801d37f BJ |
390 | ubadone(um); |
391 | if (um->um_tab.b_active) { | |
392 | um->um_tab.b_active = 0; | |
393 | um->um_tab.b_errcnt = 0; | |
394 | um->um_tab.b_actf = dp->b_forw; | |
395 | dp->b_active = 0; | |
396 | dp->b_errcnt = 0; | |
397 | dp->b_actf = bp->av_forw; | |
398 | bp->b_resid = -rkaddr->rkwc * sizeof(short); | |
399 | iodone(bp); | |
400 | if (dp->b_actf) | |
401 | if (rkustart(ui)) | |
402 | needie = 0; | |
d483c58c | 403 | } |
0801d37f | 404 | as &= ~(1<<ui->ui_slave); |
d483c58c | 405 | } |
28de6ed0 | 406 | att: |
0801d37f BJ |
407 | for (unit = 0; as; as >>= 1, unit++) |
408 | if (as & 1) | |
409 | if (rkustart(rkip[rk11][unit])) | |
410 | needie = 0; | |
411 | if (um->um_tab.b_actf && um->um_tab.b_active == 0) | |
412 | if (rkstart(um)) | |
413 | needie = 0; | |
414 | if (needie) | |
415 | rkaddr->rkcs1 = RK_CDT|RK_IE; | |
d483c58c BJ |
416 | } |
417 | ||
0801d37f BJ |
418 | rkwait(addr) |
419 | register struct rkdevice *addr; | |
420 | { | |
421 | ||
422 | while ((addr->rkcs1 & RK_CRDY) == 0) | |
423 | ; | |
424 | } | |
d483c58c | 425 | |
0801d37f BJ |
426 | rkread(dev) |
427 | dev_t dev; | |
d483c58c | 428 | { |
0801d37f BJ |
429 | register int unit = minor(dev) >> 3; |
430 | ||
872b4e09 | 431 | if (unit >= NRK) |
0801d37f BJ |
432 | u.u_error = ENXIO; |
433 | else | |
434 | physio(rkstrategy, &rrkbuf[unit], dev, B_READ, minphys); | |
d483c58c BJ |
435 | } |
436 | ||
0801d37f BJ |
437 | rkwrite(dev) |
438 | dev_t dev; | |
d483c58c | 439 | { |
0801d37f | 440 | register int unit = minor(dev) >> 3; |
d483c58c | 441 | |
872b4e09 | 442 | if (unit >= NRK) |
0801d37f BJ |
443 | u.u_error = ENXIO; |
444 | else | |
445 | physio(rkstrategy, &rrkbuf[unit], dev, B_WRITE, minphys); | |
d483c58c BJ |
446 | } |
447 | ||
0801d37f BJ |
448 | rkecc(ui) |
449 | register struct uba_dinfo *ui; | |
d483c58c | 450 | { |
0801d37f BJ |
451 | register struct rkdevice *rk = (struct rkdevice *)ui->ui_addr; |
452 | register struct buf *bp = rkutab[ui->ui_unit].b_actf; | |
453 | register struct uba_minfo *um = ui->ui_mi; | |
454 | register struct rkst *st; | |
455 | struct uba_regs *ubp = ui->ui_hd->uh_uba; | |
456 | register int i; | |
457 | caddr_t addr; | |
458 | int reg, bit, byte, npf, mask, o, cmd, ubaddr; | |
459 | int bn, cn, tn, sn; | |
d483c58c | 460 | |
0801d37f BJ |
461 | npf = btop((rk->rkwc * sizeof(short)) + bp->b_bcount) - 1; |
462 | reg = btop(um->um_ubinfo&0x3ffff) + npf; | |
463 | o = (int)bp->b_un.b_addr & PGOFSET; | |
1c509b5e | 464 | printf("rk%d%c: soft ecc sn%d\n", dkunit(bp), |
c9e9b65b | 465 | 'a'+(minor(bp->b_dev)&07), bp->b_blkno + npf); |
0801d37f | 466 | mask = rk->rkec2; |
060afaf6 | 467 | ubapurge(um); |
0801d37f BJ |
468 | i = rk->rkec1 - 1; /* -1 makes 0 origin */ |
469 | bit = i&07; | |
470 | i = (i&~07)>>3; | |
471 | byte = i + o; | |
472 | while (i < 512 && (int)ptob(npf)+i < bp->b_bcount && bit > -11) { | |
473 | addr = ptob(ubp->uba_map[reg+btop(byte)].pg_pfnum)+ | |
474 | (byte & PGOFSET); | |
475 | putmemc(addr, getmemc(addr)^(mask<<bit)); | |
476 | byte++; | |
477 | i++; | |
478 | bit -= 8; | |
479 | } | |
480 | um->um_tab.b_active++; /* Either complete or continuing... */ | |
481 | if (rk->rkwc == 0) | |
482 | return (0); | |
9037157b BJ |
483 | #ifdef notdef |
484 | rk->rkcs1 |= RK_GO; | |
485 | #else | |
0801d37f BJ |
486 | rk->rkcs1 = RK_CDT|RK_CCLR; |
487 | rk->rkcs2 = ui->ui_slave; | |
488 | rk->rkcs1 = RK_CDT|RK_DCLR|RK_GO; | |
489 | rkwait(rk); | |
490 | bn = dkblock(bp); | |
491 | st = &rkst[ui->ui_type]; | |
492 | cn = bp->b_cylin; | |
493 | sn = bn%st->nspc + npf + 1; | |
494 | tn = sn/st->nsect; | |
495 | sn %= st->nsect; | |
496 | cn += tn/st->ntrak; | |
497 | tn %= st->ntrak; | |
498 | rk->rkcyl = cn; | |
499 | rk->rkda = (tn << 8) | sn; | |
500 | ubaddr = (int)ptob(reg+1) + o; | |
501 | rk->rkba = ubaddr; | |
502 | cmd = (ubaddr >> 8) & 0x300; | |
503 | cmd |= RK_CDT|RK_IE|RK_GO|RK_READ; | |
504 | rk->rkcs1 = cmd; | |
9037157b | 505 | #endif |
0801d37f | 506 | return (1); |
d483c58c BJ |
507 | } |
508 | ||
0801d37f | 509 | rkreset(uban) |
68347e63 | 510 | int uban; |
0801d37f BJ |
511 | { |
512 | register struct uba_minfo *um; | |
513 | register struct uba_dinfo *ui; | |
514 | register rk11, unit; | |
0801d37f | 515 | |
872b4e09 | 516 | for (rk11 = 0; rk11 < NHK; rk11++) { |
0801d37f BJ |
517 | if ((um = rkminfo[rk11]) == 0 || um->um_ubanum != uban || |
518 | um->um_alive == 0) | |
519 | continue; | |
68347e63 | 520 | printf(" hk%d", rk11); |
0801d37f BJ |
521 | um->um_tab.b_active = 0; |
522 | um->um_tab.b_actf = um->um_tab.b_actl = 0; | |
523 | rk_softc[um->um_ctlr].sc_recal = 0; | |
524 | if (um->um_ubinfo) { | |
525 | printf("<%d>", (um->um_ubinfo>>28)&0xf); | |
526 | ubadone(um); | |
527 | } | |
872b4e09 | 528 | for (unit = 0; unit < NHK; unit++) { |
0801d37f BJ |
529 | if ((ui = rkdinfo[unit]) == 0) |
530 | continue; | |
531 | if (ui->ui_alive == 0) | |
532 | continue; | |
533 | rkutab[unit].b_active = 0; | |
534 | (void) rkustart(ui); | |
535 | } | |
536 | (void) rkstart(um); | |
537 | } | |
538 | } | |
539 | ||
0801d37f | 540 | rkwatch() |
d483c58c | 541 | { |
0801d37f BJ |
542 | register struct uba_minfo *um; |
543 | register rk11, unit; | |
544 | register struct rk_softc *sc; | |
d483c58c | 545 | |
7780575a | 546 | timeout(rkwatch, (caddr_t)0, hz); |
872b4e09 | 547 | for (rk11 = 0; rk11 < NHK; rk11++) { |
0801d37f BJ |
548 | um = rkminfo[rk11]; |
549 | if (um == 0 || um->um_alive == 0) | |
550 | continue; | |
551 | sc = &rk_softc[rk11]; | |
552 | if (um->um_tab.b_active == 0) { | |
872b4e09 | 553 | for (unit = 0; unit < NRK; unit++) |
9037157b BJ |
554 | if (rkutab[unit].b_active && |
555 | rkdinfo[unit]->ui_mi == um) | |
0801d37f BJ |
556 | goto active; |
557 | sc->sc_wticks = 0; | |
558 | continue; | |
559 | } | |
560 | active: | |
561 | sc->sc_wticks++; | |
562 | if (sc->sc_wticks >= 20) { | |
563 | sc->sc_wticks = 0; | |
68347e63 | 564 | printf("hk%d: lost interrupt\n", rk11); |
872b4e09 | 565 | ubareset(um->um_ubanum); |
0801d37f BJ |
566 | } |
567 | } | |
d483c58c | 568 | } |
0ff318b2 | 569 | |
0801d37f BJ |
570 | #define DBSIZE 20 |
571 | ||
572 | rkdump(dev) | |
573 | dev_t dev; | |
0ff318b2 | 574 | { |
0801d37f BJ |
575 | struct rkdevice *rkaddr; |
576 | char *start; | |
577 | int num, blk, unit; | |
578 | struct size *sizes; | |
579 | register struct uba_regs *uba; | |
580 | register struct uba_dinfo *ui; | |
581 | register short *rp; | |
582 | struct rkst *st; | |
583 | ||
584 | unit = minor(dev) >> 3; | |
c9e9b65b BJ |
585 | if (unit >= NRK) |
586 | return (ENXIO); | |
0801d37f BJ |
587 | #define phys(cast, addr) ((cast)((int)addr & 0x7fffffff)) |
588 | ui = phys(struct uba_dinfo *, rkdinfo[unit]); | |
c9e9b65b BJ |
589 | if (ui->ui_alive == 0) |
590 | return (ENXIO); | |
0801d37f BJ |
591 | uba = phys(struct uba_hd *, ui->ui_hd)->uh_physuba; |
592 | #if VAX780 | |
593 | if (cpu == VAX_780) | |
594 | ubainit(uba); | |
595 | #endif | |
596 | rkaddr = (struct rkdevice *)ui->ui_physaddr; | |
597 | num = maxfree; | |
598 | start = 0; | |
599 | rkaddr->rkcs1 = RK_CDT|RK_CERR; | |
600 | rkaddr->rkcs2 = unit; | |
601 | rkaddr->rkcs1 = RK_CDT|RK_DCLR|RK_GO; | |
602 | rkwait(rkaddr); | |
603 | if ((rkaddr->rkds & RK_VV) == 0) { | |
604 | rkaddr->rkcs1 = RK_CDT|RK_IE|RK_PACK|RK_GO; | |
605 | rkwait(rkaddr); | |
606 | } | |
607 | st = &rkst[ui->ui_type]; | |
608 | sizes = phys(struct size *, st->sizes); | |
c9e9b65b BJ |
609 | if (dumplo < 0 || dumplo + num >= sizes[minor(dev)&07].nblocks) |
610 | return (EINVAL); | |
0801d37f BJ |
611 | while (num > 0) { |
612 | register struct pte *io; | |
613 | register int i; | |
614 | int cn, sn, tn; | |
615 | daddr_t bn; | |
0ff318b2 | 616 | |
0801d37f BJ |
617 | blk = num > DBSIZE ? DBSIZE : num; |
618 | io = uba->uba_map; | |
619 | for (i = 0; i < blk; i++) | |
620 | *(int *)io++ = (btop(start)+i) | (1<<21) | UBA_MRV; | |
621 | *(int *)io = 0; | |
622 | bn = dumplo + btop(start); | |
623 | cn = bn/st->nspc + sizes[minor(dev)&07].cyloff; | |
624 | sn = bn%st->nspc; | |
625 | tn = sn/st->nsect; | |
626 | sn = sn%st->nsect; | |
627 | rkaddr->rkcyl = cn; | |
628 | rp = (short *) &rkaddr->rkda; | |
629 | *rp = (tn << 8) + sn; | |
630 | *--rp = 0; | |
631 | *--rp = -blk*NBPG / sizeof (short); | |
632 | *--rp = RK_CDT|RK_GO|RK_WRITE; | |
633 | rkwait(rkaddr); | |
c9e9b65b BJ |
634 | if (rkaddr->rkcs1 & RK_CERR) |
635 | return (EIO); | |
0801d37f BJ |
636 | start += blk*NBPG; |
637 | num -= blk; | |
638 | } | |
639 | return (0); | |
0ff318b2 | 640 | } |
d483c58c | 641 | #endif |