Commit | Line | Data |
---|---|---|
ff360633 | 1 | /* tm.c 6.4 84/08/29 */ |
d75e5c3e | 2 | |
443c8066 | 3 | #include "te.h" |
23e0e9b8 | 4 | #include "ts.h" |
2ac8d080 | 5 | #if NTE > 0 |
d75e5c3e | 6 | /* |
afb907f2 | 7 | * TM11/TE10 tape driver |
7e00c42b | 8 | * |
d565635a BJ |
9 | * TODO: |
10 | * test driver with more than one slave | |
11 | * test driver with more than one controller | |
12 | * test reset code | |
d565635a BJ |
13 | * what happens if you offline tape during rewind? |
14 | * test using file system on tape | |
d75e5c3e | 15 | */ |
961945a8 SL |
16 | #include "../machine/pte.h" |
17 | ||
ff360633 JB |
18 | #include "param.h" |
19 | #include "systm.h" | |
20 | #include "buf.h" | |
21 | #include "dir.h" | |
22 | #include "conf.h" | |
23 | #include "user.h" | |
24 | #include "file.h" | |
25 | #include "map.h" | |
26 | #include "vm.h" | |
27 | #include "ioctl.h" | |
28 | #include "mtio.h" | |
29 | #include "cmap.h" | |
30 | #include "uio.h" | |
31 | #include "kernel.h" | |
d75e5c3e | 32 | |
896962b1 | 33 | #include "../vax/cpu.h" |
ff360633 JB |
34 | #include "ubareg.h" |
35 | #include "ubavar.h" | |
36 | #include "tmreg.h" | |
d75e5c3e | 37 | |
d565635a BJ |
38 | /* |
39 | * There is a ctmbuf per tape controller. | |
40 | * It is used as the token to pass to the internal routines | |
41 | * to execute tape ioctls, and also acts as a lock on the slaves | |
42 | * on the controller, since there is only one per controller. | |
43 | * In particular, when the tape is rewinding on close we release | |
44 | * the user process but any further attempts to use the tape drive | |
45 | * before the rewind completes will hang waiting for ctmbuf. | |
46 | */ | |
47 | struct buf ctmbuf[NTM]; | |
48 | ||
49 | /* | |
50 | * Raw tape operations use rtmbuf. The driver | |
51 | * notices when rtmbuf is being used and allows the user | |
52 | * program to continue after errors and read records | |
53 | * not of the standard length (BSIZE). | |
54 | */ | |
55 | struct buf rtmbuf[NTM]; | |
d75e5c3e | 56 | |
d565635a BJ |
57 | /* |
58 | * Driver unibus interface routines and variables. | |
59 | */ | |
71236e46 | 60 | int tmprobe(), tmslave(), tmattach(), tmdgo(), tmintr(); |
89bd2f01 | 61 | struct uba_ctlr *tmminfo[NTM]; |
d565635a BJ |
62 | struct uba_device *tedinfo[NTE]; |
63 | struct buf teutab[NTE]; | |
64 | short tetotm[NTE]; | |
d763a2b7 | 65 | u_short tmstd[] = { 0772520, 0 }; |
3f3a34c3 | 66 | struct uba_driver tmdriver = |
d565635a | 67 | { tmprobe, tmslave, tmattach, tmdgo, tmstd, "te", tedinfo, "tm", tmminfo, 0 }; |
d75e5c3e BJ |
68 | |
69 | /* bits in minor device */ | |
d565635a BJ |
70 | #define TEUNIT(dev) (minor(dev)&03) |
71 | #define TMUNIT(dev) (tetotm[TEUNIT(dev)]) | |
d75e5c3e BJ |
72 | #define T_NOREWIND 04 |
73 | #define T_1600BPI 08 | |
74 | ||
75 | #define INF (daddr_t)1000000L | |
76 | ||
71236e46 BJ |
77 | /* |
78 | * Software state per tape transport. | |
d565635a BJ |
79 | * |
80 | * 1. A tape drive is a unique-open device; we refuse opens when it is already. | |
81 | * 2. We keep track of the current position on a block tape and seek | |
82 | * before operations by forward/back spacing if necessary. | |
83 | * 3. We remember if the last operation was a write on a tape, so if a tape | |
84 | * is open read write and the last thing done is a write we can | |
85 | * write a standard end of tape mark (two eofs). | |
86 | * 4. We remember the status registers after the last command, using | |
87 | * then internally and returning them to the SENSE ioctl. | |
88 | * 5. We remember the last density the tape was used at. If it is | |
89 | * not a BOT when we start using it and we are writing, we don't | |
90 | * let the density be changed. | |
71236e46 | 91 | */ |
d565635a | 92 | struct te_softc { |
71236e46 BJ |
93 | char sc_openf; /* lock against multiple opens */ |
94 | char sc_lastiow; /* last op was a write */ | |
95 | daddr_t sc_blkno; /* block number, for block device tape */ | |
d565635a | 96 | daddr_t sc_nxrec; /* position of end of tape, if known */ |
71236e46 BJ |
97 | u_short sc_erreg; /* copy of last erreg */ |
98 | u_short sc_dsreg; /* copy of last dsreg */ | |
99 | short sc_resid; /* copy of last bc */ | |
a0eab615 | 100 | #ifdef unneeded |
d1330646 | 101 | short sc_lastcmd; /* last command to handle direction changes */ |
80905075 | 102 | #endif |
d565635a | 103 | u_short sc_dens; /* prototype command with density info */ |
a752fee0 BJ |
104 | daddr_t sc_timo; /* time until timeout expires */ |
105 | short sc_tact; /* timeout is active */ | |
04b2deaa | 106 | } te_softc[NTE]; |
a0eab615 BJ |
107 | #ifdef unneeded |
108 | int tmgapsdcnt; /* DEBUG */ | |
109 | #endif | |
d75e5c3e | 110 | |
71236e46 | 111 | /* |
d565635a BJ |
112 | * States for um->um_tab.b_active, the per controller state flag. |
113 | * This is used to sequence control in the driver. | |
71236e46 | 114 | */ |
d75e5c3e BJ |
115 | #define SSEEK 1 /* seeking */ |
116 | #define SIO 2 /* doing seq i/o */ | |
117 | #define SCOM 3 /* sending control command */ | |
71236e46 | 118 | #define SREW 4 /* sending a drive rewind */ |
d75e5c3e | 119 | |
5aa9d5ea RE |
120 | /* |
121 | * Determine if there is a controller for | |
122 | * a tm at address reg. Our goal is to make the | |
123 | * device interrupt. | |
5aa9d5ea | 124 | */ |
71236e46 | 125 | tmprobe(reg) |
3f3a34c3 BJ |
126 | caddr_t reg; |
127 | { | |
d565635a | 128 | register int br, cvec; /* must be r11,r10; value-result */ |
5aa9d5ea | 129 | |
71236e46 | 130 | #ifdef lint |
a0eab615 | 131 | br = 0; cvec = br; br = cvec; |
89b8a44c | 132 | tmintr(0); |
71236e46 | 133 | #endif |
a870f835 | 134 | ((struct tmdevice *)reg)->tmcs = TM_IE; |
3f3a34c3 | 135 | /* |
afb907f2 | 136 | * If this is a tm11, it ought to have interrupted |
3f3a34c3 | 137 | * by now, if it isn't (ie: it is a ts04) then we just |
d763a2b7 BJ |
138 | * hope that it didn't interrupt, so autoconf will ignore it. |
139 | * Just in case, we will reference one | |
3f3a34c3 | 140 | * of the more distant registers, and hope for a machine |
d763a2b7 | 141 | * check, or similar disaster if this is a ts. |
7e00c42b BJ |
142 | * |
143 | * Note: on an 11/780, badaddr will just generate | |
144 | * a uba error for a ts; but our caller will notice that | |
145 | * so we won't check for it. | |
3f3a34c3 | 146 | */ |
a870f835 | 147 | if (badaddr((caddr_t)&((struct tmdevice *)reg)->tmrd, 2)) |
d763a2b7 | 148 | return (0); |
9c0adba0 | 149 | return (sizeof (struct tmdevice)); |
3f3a34c3 BJ |
150 | } |
151 | ||
71236e46 BJ |
152 | /* |
153 | * Due to a design flaw, we cannot ascertain if the tape | |
154 | * exists or not unless it is on line - ie: unless a tape is | |
155 | * mounted. This is too servere a restriction to bear, | |
156 | * so all units are assumed to exist. | |
157 | */ | |
158 | /*ARGSUSED*/ | |
e4271c68 | 159 | tmslave(ui, reg) |
89bd2f01 | 160 | struct uba_device *ui; |
3f3a34c3 BJ |
161 | caddr_t reg; |
162 | { | |
d763a2b7 | 163 | |
d763a2b7 | 164 | return (1); |
3f3a34c3 BJ |
165 | } |
166 | ||
71236e46 | 167 | /* |
d565635a | 168 | * Record attachment of the unit to the controller. |
71236e46 BJ |
169 | */ |
170 | /*ARGSUSED*/ | |
171 | tmattach(ui) | |
89bd2f01 | 172 | struct uba_device *ui; |
71236e46 | 173 | { |
d565635a BJ |
174 | /* |
175 | * Tetotm is used in TMUNIT to index the ctmbuf and rtmbuf | |
176 | * arrays given a te unit number. | |
177 | */ | |
178 | tetotm[ui->ui_unit] = ui->ui_mi->um_ctlr; | |
71236e46 BJ |
179 | } |
180 | ||
a752fee0 | 181 | int tmtimer(); |
71236e46 BJ |
182 | /* |
183 | * Open the device. Tapes are unique open | |
184 | * devices, so we refuse if it is already open. | |
185 | * We also check that a tape is available, and | |
d565635a BJ |
186 | * don't block waiting here; if you want to wait |
187 | * for a tape you should timeout in user code. | |
71236e46 | 188 | */ |
d75e5c3e BJ |
189 | tmopen(dev, flag) |
190 | dev_t dev; | |
191 | int flag; | |
192 | { | |
d565635a | 193 | register int teunit; |
89bd2f01 | 194 | register struct uba_device *ui; |
d565635a | 195 | register struct te_softc *sc; |
971424d9 | 196 | int olddens, dens; |
2311123d | 197 | int s; |
d75e5c3e | 198 | |
d565635a BJ |
199 | teunit = TEUNIT(dev); |
200 | if (teunit>=NTE || (sc = &te_softc[teunit])->sc_openf || | |
7da157da BJ |
201 | (ui = tedinfo[teunit]) == 0 || ui->ui_alive == 0) |
202 | return (ENXIO); | |
971424d9 BJ |
203 | olddens = sc->sc_dens; |
204 | dens = TM_IE | TM_GO | (ui->ui_slave << 8); | |
205 | if ((minor(dev) & T_1600BPI) == 0) | |
206 | dens |= TM_D800; | |
207 | sc->sc_dens = dens; | |
27a897a2 | 208 | get: |
71236e46 | 209 | tmcommand(dev, TM_SENSE, 1); |
27a897a2 BJ |
210 | if (sc->sc_erreg&TMER_SDWN) { |
211 | sleep((caddr_t)&lbolt, PZERO+1); | |
212 | goto get; | |
213 | } | |
971424d9 | 214 | sc->sc_dens = olddens; |
a1706887 BJ |
215 | if ((sc->sc_erreg&(TMER_SELR|TMER_TUR)) != (TMER_SELR|TMER_TUR)) { |
216 | uprintf("te%d: not online\n", teunit); | |
7da157da | 217 | return (EIO); |
a1706887 BJ |
218 | } |
219 | if ((flag&FWRITE) && (sc->sc_erreg&TMER_WRL)) { | |
220 | uprintf("te%d: no write ring\n", teunit); | |
7da157da | 221 | return (EIO); |
a1706887 BJ |
222 | } |
223 | if ((sc->sc_erreg&TMER_BOT) == 0 && (flag&FWRITE) && | |
224 | dens != sc->sc_dens) { | |
225 | uprintf("te%d: can't change density in mid-tape\n", teunit); | |
7da157da | 226 | return (EIO); |
d75e5c3e | 227 | } |
71236e46 | 228 | sc->sc_openf = 1; |
7e00c42b BJ |
229 | sc->sc_blkno = (daddr_t)0; |
230 | sc->sc_nxrec = INF; | |
71236e46 | 231 | sc->sc_lastiow = 0; |
d565635a | 232 | sc->sc_dens = dens; |
2311123d | 233 | s = spl6(); |
a752fee0 BJ |
234 | if (sc->sc_tact == 0) { |
235 | sc->sc_timo = INF; | |
236 | sc->sc_tact = 1; | |
c27ba986 | 237 | timeout(tmtimer, (caddr_t)dev, 5*hz); |
a752fee0 | 238 | } |
2311123d | 239 | splx(s); |
7da157da | 240 | return (0); |
d75e5c3e BJ |
241 | } |
242 | ||
71236e46 BJ |
243 | /* |
244 | * Close tape device. | |
245 | * | |
246 | * If tape was open for writing or last operation was | |
247 | * a write, then write two EOF's and backspace over the last one. | |
248 | * Unless this is a non-rewinding special file, rewind the tape. | |
249 | * Make the tape available to others. | |
250 | */ | |
d75e5c3e BJ |
251 | tmclose(dev, flag) |
252 | register dev_t dev; | |
253 | register flag; | |
254 | { | |
d565635a | 255 | register struct te_softc *sc = &te_softc[TEUNIT(dev)]; |
d75e5c3e | 256 | |
71236e46 BJ |
257 | if (flag == FWRITE || (flag&FWRITE) && sc->sc_lastiow) { |
258 | tmcommand(dev, TM_WEOF, 1); | |
259 | tmcommand(dev, TM_WEOF, 1); | |
260 | tmcommand(dev, TM_SREV, 1); | |
d75e5c3e BJ |
261 | } |
262 | if ((minor(dev)&T_NOREWIND) == 0) | |
d565635a BJ |
263 | /* |
264 | * 0 count means don't hang waiting for rewind complete | |
265 | * rather ctmbuf stays busy until the operation completes | |
266 | * preventing further opens from completing by | |
267 | * preventing a TM_SENSE from completing. | |
268 | */ | |
269 | tmcommand(dev, TM_REW, 0); | |
7e00c42b | 270 | sc->sc_openf = 0; |
d75e5c3e BJ |
271 | } |
272 | ||
71236e46 BJ |
273 | /* |
274 | * Execute a command on the tape drive | |
275 | * a specified number of times. | |
276 | */ | |
e4271c68 | 277 | tmcommand(dev, com, count) |
d75e5c3e BJ |
278 | dev_t dev; |
279 | int com, count; | |
280 | { | |
281 | register struct buf *bp; | |
2311123d | 282 | register int s; |
d75e5c3e | 283 | |
71236e46 | 284 | bp = &ctmbuf[TMUNIT(dev)]; |
2311123d | 285 | s = spl5(); |
d75e5c3e | 286 | while (bp->b_flags&B_BUSY) { |
d565635a BJ |
287 | /* |
288 | * This special check is because B_BUSY never | |
289 | * gets cleared in the non-waiting rewind case. | |
290 | */ | |
27a897a2 | 291 | if (bp->b_repcnt == 0 && (bp->b_flags&B_DONE)) |
d565635a | 292 | break; |
d75e5c3e BJ |
293 | bp->b_flags |= B_WANTED; |
294 | sleep((caddr_t)bp, PRIBIO); | |
295 | } | |
296 | bp->b_flags = B_BUSY|B_READ; | |
2311123d | 297 | splx(s); |
d75e5c3e BJ |
298 | bp->b_dev = dev; |
299 | bp->b_repcnt = -count; | |
300 | bp->b_command = com; | |
301 | bp->b_blkno = 0; | |
302 | tmstrategy(bp); | |
d565635a BJ |
303 | /* |
304 | * In case of rewind from close, don't wait. | |
305 | * This is the only case where count can be 0. | |
306 | */ | |
307 | if (count == 0) | |
308 | return; | |
d75e5c3e BJ |
309 | iowait(bp); |
310 | if (bp->b_flags&B_WANTED) | |
311 | wakeup((caddr_t)bp); | |
312 | bp->b_flags &= B_ERROR; | |
313 | } | |
314 | ||
71236e46 | 315 | /* |
d565635a | 316 | * Queue a tape operation. |
71236e46 | 317 | */ |
d75e5c3e BJ |
318 | tmstrategy(bp) |
319 | register struct buf *bp; | |
320 | { | |
d565635a | 321 | int teunit = TEUNIT(bp->b_dev); |
89bd2f01 | 322 | register struct uba_ctlr *um; |
71236e46 | 323 | register struct buf *dp; |
2311123d | 324 | int s; |
d75e5c3e | 325 | |
71236e46 BJ |
326 | /* |
327 | * Put transfer at end of unit queue | |
328 | */ | |
d565635a | 329 | dp = &teutab[teunit]; |
d75e5c3e | 330 | bp->av_forw = NULL; |
2311123d | 331 | s = spl5(); |
06e2c4fb | 332 | um = tedinfo[teunit]->ui_mi; |
71236e46 BJ |
333 | if (dp->b_actf == NULL) { |
334 | dp->b_actf = bp; | |
335 | /* | |
336 | * Transport not already active... | |
337 | * put at end of controller queue. | |
338 | */ | |
339 | dp->b_forw = NULL; | |
71236e46 BJ |
340 | if (um->um_tab.b_actf == NULL) |
341 | um->um_tab.b_actf = dp; | |
342 | else | |
343 | um->um_tab.b_actl->b_forw = dp; | |
344 | um->um_tab.b_actl = dp; | |
345 | } else | |
346 | dp->b_actl->av_forw = bp; | |
347 | dp->b_actl = bp; | |
348 | /* | |
349 | * If the controller is not busy, get | |
350 | * it going. | |
351 | */ | |
352 | if (um->um_tab.b_active == 0) | |
353 | tmstart(um); | |
2311123d | 354 | splx(s); |
d75e5c3e BJ |
355 | } |
356 | ||
71236e46 BJ |
357 | /* |
358 | * Start activity on a tm controller. | |
359 | */ | |
360 | tmstart(um) | |
89bd2f01 | 361 | register struct uba_ctlr *um; |
d75e5c3e | 362 | { |
71236e46 | 363 | register struct buf *bp, *dp; |
a870f835 | 364 | register struct tmdevice *addr = (struct tmdevice *)um->um_addr; |
d565635a | 365 | register struct te_softc *sc; |
89bd2f01 | 366 | register struct uba_device *ui; |
d565635a | 367 | int teunit, cmd; |
7e00c42b | 368 | daddr_t blkno; |
d75e5c3e | 369 | |
71236e46 BJ |
370 | /* |
371 | * Look for an idle transport on the controller. | |
372 | */ | |
d75e5c3e | 373 | loop: |
71236e46 | 374 | if ((dp = um->um_tab.b_actf) == NULL) |
d75e5c3e | 375 | return; |
71236e46 BJ |
376 | if ((bp = dp->b_actf) == NULL) { |
377 | um->um_tab.b_actf = dp->b_forw; | |
378 | goto loop; | |
379 | } | |
d565635a BJ |
380 | teunit = TEUNIT(bp->b_dev); |
381 | ui = tedinfo[teunit]; | |
71236e46 BJ |
382 | /* |
383 | * Record pre-transfer status (e.g. for TM_SENSE) | |
384 | */ | |
d565635a | 385 | sc = &te_softc[teunit]; |
a870f835 | 386 | addr = (struct tmdevice *)um->um_addr; |
71236e46 | 387 | addr->tmcs = (ui->ui_slave << 8); |
7e00c42b BJ |
388 | sc->sc_dsreg = addr->tmcs; |
389 | sc->sc_erreg = addr->tmer; | |
390 | sc->sc_resid = addr->tmbc; | |
71236e46 BJ |
391 | /* |
392 | * Default is that last command was NOT a write command; | |
393 | * if we do a write command we will notice this in tmintr(). | |
394 | */ | |
bc9da2ca | 395 | sc->sc_lastiow = 0; |
71236e46 BJ |
396 | if (sc->sc_openf < 0 || (addr->tmcs&TM_CUR) == 0) { |
397 | /* | |
d565635a BJ |
398 | * Have had a hard error on a non-raw tape |
399 | * or the tape unit is now unavailable | |
400 | * (e.g. taken off line). | |
71236e46 BJ |
401 | */ |
402 | bp->b_flags |= B_ERROR; | |
d75e5c3e BJ |
403 | goto next; |
404 | } | |
d565635a BJ |
405 | if (bp == &ctmbuf[TMUNIT(bp->b_dev)]) { |
406 | /* | |
407 | * Execute control operation with the specified count. | |
408 | */ | |
71236e46 BJ |
409 | if (bp->b_command == TM_SENSE) |
410 | goto next; | |
a752fee0 BJ |
411 | /* |
412 | * Set next state; give 5 minutes to complete | |
413 | * rewind, or 10 seconds per iteration (minimum 60 | |
c27ba986 | 414 | * seconds and max 5 minutes) to complete other ops. |
a752fee0 BJ |
415 | */ |
416 | if (bp->b_command == TM_REW) { | |
417 | um->um_tab.b_active = SREW; | |
418 | sc->sc_timo = 5 * 60; | |
419 | } else { | |
420 | um->um_tab.b_active = SCOM; | |
0218811c BJ |
421 | sc->sc_timo = |
422 | imin(imax(10*(int)-bp->b_repcnt,60),5*60); | |
a752fee0 | 423 | } |
71236e46 BJ |
424 | if (bp->b_command == TM_SFORW || bp->b_command == TM_SREV) |
425 | addr->tmbc = bp->b_repcnt; | |
d1330646 | 426 | goto dobpcmd; |
71236e46 | 427 | } |
d565635a BJ |
428 | /* |
429 | * The following checks handle boundary cases for operation | |
430 | * on non-raw tapes. On raw tapes the initialization of | |
431 | * sc->sc_nxrec by tmphys causes them to be skipped normally | |
432 | * (except in the case of retries). | |
433 | */ | |
fb739082 | 434 | if (bdbtofsb(bp->b_blkno) > sc->sc_nxrec) { |
d565635a BJ |
435 | /* |
436 | * Can't read past known end-of-file. | |
437 | */ | |
438 | bp->b_flags |= B_ERROR; | |
439 | bp->b_error = ENXIO; | |
440 | goto next; | |
441 | } | |
fb739082 | 442 | if (bdbtofsb(bp->b_blkno) == sc->sc_nxrec && |
d565635a BJ |
443 | bp->b_flags&B_READ) { |
444 | /* | |
445 | * Reading at end of file returns 0 bytes. | |
446 | */ | |
447 | bp->b_resid = bp->b_bcount; | |
448 | clrbuf(bp); | |
449 | goto next; | |
450 | } | |
451 | if ((bp->b_flags&B_READ) == 0) | |
452 | /* | |
453 | * Writing sets EOF | |
454 | */ | |
fb739082 | 455 | sc->sc_nxrec = bdbtofsb(bp->b_blkno) + 1; |
71236e46 BJ |
456 | /* |
457 | * If the data transfer command is in the correct place, | |
458 | * set up all the registers except the csr, and give | |
459 | * control over to the UNIBUS adapter routines, to | |
460 | * wait for resources to start the i/o. | |
461 | */ | |
fb739082 | 462 | if ((blkno = sc->sc_blkno) == bdbtofsb(bp->b_blkno)) { |
3f3a34c3 | 463 | addr->tmbc = -bp->b_bcount; |
d75e5c3e | 464 | if ((bp->b_flags&B_READ) == 0) { |
7e00c42b | 465 | if (um->um_tab.b_errcnt) |
d565635a | 466 | cmd = TM_WIRG; |
d75e5c3e | 467 | else |
d565635a | 468 | cmd = TM_WCOM; |
d75e5c3e | 469 | } else |
d565635a | 470 | cmd = TM_RCOM; |
7e00c42b | 471 | um->um_tab.b_active = SIO; |
d565635a | 472 | um->um_cmd = sc->sc_dens|cmd; |
80905075 | 473 | #ifdef notdef |
d1330646 | 474 | if (tmreverseop(sc->sc_lastcmd)) |
d565635a | 475 | while (addr->tmer & TMER_SDWN) |
d1330646 | 476 | tmgapsdcnt++; |
d1330646 | 477 | sc->sc_lastcmd = TM_RCOM; /* will serve */ |
80905075 | 478 | #endif |
a752fee0 | 479 | sc->sc_timo = 60; /* premature, but should serve */ |
a0eab615 | 480 | (void) ubago(ui); |
d75e5c3e BJ |
481 | return; |
482 | } | |
71236e46 | 483 | /* |
d565635a BJ |
484 | * Tape positioned incorrectly; |
485 | * set to seek forwards or backwards to the correct spot. | |
486 | * This happens for raw tapes only on error retries. | |
71236e46 | 487 | */ |
7e00c42b | 488 | um->um_tab.b_active = SSEEK; |
fb739082 | 489 | if (blkno < bdbtofsb(bp->b_blkno)) { |
d1330646 | 490 | bp->b_command = TM_SFORW; |
fb739082 | 491 | addr->tmbc = blkno - bdbtofsb(bp->b_blkno); |
d75e5c3e | 492 | } else { |
d1330646 | 493 | bp->b_command = TM_SREV; |
fb739082 | 494 | addr->tmbc = bdbtofsb(bp->b_blkno) - blkno; |
d75e5c3e | 495 | } |
c27ba986 | 496 | sc->sc_timo = imin(imax(10 * -addr->tmbc, 60), 5 * 60); |
d1330646 | 497 | dobpcmd: |
80905075 | 498 | #ifdef notdef |
d565635a BJ |
499 | /* |
500 | * It is strictly necessary to wait for the tape | |
501 | * to stop before changing directions, but the TC11 | |
502 | * handles this for us. | |
503 | */ | |
d1330646 BJ |
504 | if (tmreverseop(sc->sc_lastcmd) != tmreverseop(bp->b_command)) |
505 | while (addr->tmer & TM_SDWN) | |
506 | tmgapsdcnt++; | |
d1330646 | 507 | sc->sc_lastcmd = bp->b_command; |
80905075 | 508 | #endif |
d565635a BJ |
509 | /* |
510 | * Do the command in bp. | |
511 | */ | |
512 | addr->tmcs = (sc->sc_dens | bp->b_command); | |
d75e5c3e BJ |
513 | return; |
514 | ||
515 | next: | |
71236e46 BJ |
516 | /* |
517 | * Done with this operation due to error or | |
518 | * the fact that it doesn't do anything. | |
519 | * Release UBA resources (if any), dequeue | |
520 | * the transfer and continue processing this slave. | |
521 | */ | |
522 | if (um->um_ubinfo) | |
0801d37f | 523 | ubadone(um); |
71236e46 BJ |
524 | um->um_tab.b_errcnt = 0; |
525 | dp->b_actf = bp->av_forw; | |
d75e5c3e BJ |
526 | iodone(bp); |
527 | goto loop; | |
528 | } | |
529 | ||
71236e46 BJ |
530 | /* |
531 | * The UNIBUS resources we needed have been | |
532 | * allocated to us; start the device. | |
533 | */ | |
e4271c68 | 534 | tmdgo(um) |
89bd2f01 | 535 | register struct uba_ctlr *um; |
3f3a34c3 | 536 | { |
a870f835 | 537 | register struct tmdevice *addr = (struct tmdevice *)um->um_addr; |
7e00c42b | 538 | |
e4271c68 BJ |
539 | addr->tmba = um->um_ubinfo; |
540 | addr->tmcs = um->um_cmd | ((um->um_ubinfo >> 12) & 0x30); | |
3f3a34c3 BJ |
541 | } |
542 | ||
71236e46 BJ |
543 | /* |
544 | * Tm interrupt routine. | |
545 | */ | |
7e00c42b | 546 | /*ARGSUSED*/ |
afb907f2 BJ |
547 | tmintr(tm11) |
548 | int tm11; | |
d75e5c3e | 549 | { |
71236e46 | 550 | struct buf *dp; |
d75e5c3e | 551 | register struct buf *bp; |
89bd2f01 | 552 | register struct uba_ctlr *um = tmminfo[tm11]; |
a870f835 | 553 | register struct tmdevice *addr; |
d565635a BJ |
554 | register struct te_softc *sc; |
555 | int teunit; | |
d75e5c3e BJ |
556 | register state; |
557 | ||
d565635a BJ |
558 | if ((dp = um->um_tab.b_actf) == NULL) |
559 | return; | |
560 | bp = dp->b_actf; | |
561 | teunit = TEUNIT(bp->b_dev); | |
a870f835 | 562 | addr = (struct tmdevice *)tedinfo[teunit]->ui_addr; |
6a476a42 | 563 | sc = &te_softc[teunit]; |
71236e46 BJ |
564 | /* |
565 | * If last command was a rewind, and tape is still | |
566 | * rewinding, wait for the rewind complete interrupt. | |
567 | */ | |
568 | if (um->um_tab.b_active == SREW) { | |
569 | um->um_tab.b_active = SCOM; | |
6a476a42 BJ |
570 | if (addr->tmer&TMER_RWS) { |
571 | sc->sc_timo = 5*60; /* 5 minutes */ | |
71236e46 | 572 | return; |
6a476a42 | 573 | } |
d75e5c3e | 574 | } |
71236e46 BJ |
575 | /* |
576 | * An operation completed... record status | |
577 | */ | |
a752fee0 | 578 | sc->sc_timo = INF; |
7e00c42b BJ |
579 | sc->sc_dsreg = addr->tmcs; |
580 | sc->sc_erreg = addr->tmer; | |
581 | sc->sc_resid = addr->tmbc; | |
d75e5c3e | 582 | if ((bp->b_flags & B_READ) == 0) |
71236e46 | 583 | sc->sc_lastiow = 1; |
7e00c42b BJ |
584 | state = um->um_tab.b_active; |
585 | um->um_tab.b_active = 0; | |
71236e46 BJ |
586 | /* |
587 | * Check for errors. | |
588 | */ | |
589 | if (addr->tmcs&TM_ERR) { | |
d565635a | 590 | while (addr->tmer & TMER_SDWN) |
d75e5c3e | 591 | ; /* await settle down */ |
71236e46 | 592 | /* |
d565635a | 593 | * If we hit the end of the tape file, update our position. |
71236e46 | 594 | */ |
d565635a | 595 | if (addr->tmer&TMER_EOF) { |
71236e46 BJ |
596 | tmseteof(bp); /* set blkno and nxrec */ |
597 | state = SCOM; /* force completion */ | |
598 | /* | |
599 | * Stuff bc so it will be unstuffed correctly | |
600 | * later to get resid. | |
601 | */ | |
3f3a34c3 | 602 | addr->tmbc = -bp->b_bcount; |
71236e46 | 603 | goto opdone; |
d75e5c3e | 604 | } |
71236e46 | 605 | /* |
d565635a BJ |
606 | * If we were reading raw tape and the only error was that the |
607 | * record was too long, then we don't consider this an error. | |
71236e46 | 608 | */ |
d565635a BJ |
609 | if (bp == &rtmbuf[TMUNIT(bp->b_dev)] && (bp->b_flags&B_READ) && |
610 | (addr->tmer&(TMER_HARD|TMER_SOFT)) == TMER_RLE) | |
71236e46 BJ |
611 | goto ignoreerr; |
612 | /* | |
613 | * If error is not hard, and this was an i/o operation | |
614 | * retry up to 8 times. | |
615 | */ | |
d565635a | 616 | if ((addr->tmer&TMER_HARD)==0 && state==SIO) { |
7e00c42b | 617 | if (++um->um_tab.b_errcnt < 7) { |
7e00c42b | 618 | sc->sc_blkno++; |
0801d37f | 619 | ubadone(um); |
71236e46 | 620 | goto opcont; |
d75e5c3e | 621 | } |
71236e46 BJ |
622 | } else |
623 | /* | |
624 | * Hard or non-i/o errors on non-raw tape | |
625 | * cause it to close. | |
626 | */ | |
d565635a | 627 | if (sc->sc_openf>0 && bp != &rtmbuf[TMUNIT(bp->b_dev)]) |
71236e46 BJ |
628 | sc->sc_openf = -1; |
629 | /* | |
630 | * Couldn't recover error | |
631 | */ | |
80905075 | 632 | printf("te%d: hard error bn%d er=%b\n", minor(bp->b_dev)&03, |
d565635a | 633 | bp->b_blkno, sc->sc_erreg, TMER_BITS); |
d75e5c3e | 634 | bp->b_flags |= B_ERROR; |
71236e46 | 635 | goto opdone; |
d75e5c3e | 636 | } |
71236e46 BJ |
637 | /* |
638 | * Advance tape control FSM. | |
639 | */ | |
640 | ignoreerr: | |
d75e5c3e BJ |
641 | switch (state) { |
642 | ||
643 | case SIO: | |
71236e46 BJ |
644 | /* |
645 | * Read/write increments tape block number | |
646 | */ | |
7e00c42b | 647 | sc->sc_blkno++; |
71236e46 | 648 | goto opdone; |
d75e5c3e BJ |
649 | |
650 | case SCOM: | |
71236e46 | 651 | /* |
d565635a | 652 | * For forward/backward space record update current position. |
71236e46 | 653 | */ |
d565635a | 654 | if (bp == &ctmbuf[TMUNIT(bp->b_dev)]) |
71236e46 BJ |
655 | switch (bp->b_command) { |
656 | ||
657 | case TM_SFORW: | |
658 | sc->sc_blkno -= bp->b_repcnt; | |
d565635a | 659 | break; |
71236e46 BJ |
660 | |
661 | case TM_SREV: | |
662 | sc->sc_blkno += bp->b_repcnt; | |
d565635a | 663 | break; |
d75e5c3e | 664 | } |
d565635a | 665 | goto opdone; |
d75e5c3e BJ |
666 | |
667 | case SSEEK: | |
fb739082 | 668 | sc->sc_blkno = bdbtofsb(bp->b_blkno); |
71236e46 | 669 | goto opcont; |
d75e5c3e BJ |
670 | |
671 | default: | |
71236e46 | 672 | panic("tmintr"); |
d75e5c3e | 673 | } |
71236e46 BJ |
674 | opdone: |
675 | /* | |
676 | * Reset error count and remove | |
677 | * from device queue. | |
678 | */ | |
679 | um->um_tab.b_errcnt = 0; | |
680 | dp->b_actf = bp->av_forw; | |
c620085d MK |
681 | /* |
682 | * Check resid; watch out for resid >32767 (tmbc not negative). | |
683 | */ | |
74e6ae07 | 684 | bp->b_resid = ((int) -addr->tmbc) & 0xffff; |
0801d37f | 685 | ubadone(um); |
71236e46 BJ |
686 | iodone(bp); |
687 | /* | |
688 | * Circulate slave to end of controller | |
689 | * queue to give other slaves a chance. | |
690 | */ | |
691 | um->um_tab.b_actf = dp->b_forw; | |
692 | if (dp->b_actf) { | |
693 | dp->b_forw = NULL; | |
694 | if (um->um_tab.b_actf == NULL) | |
695 | um->um_tab.b_actf = dp; | |
696 | else | |
697 | um->um_tab.b_actl->b_forw = dp; | |
698 | um->um_tab.b_actl = dp; | |
699 | } | |
700 | if (um->um_tab.b_actf == 0) | |
701 | return; | |
702 | opcont: | |
703 | tmstart(um); | |
d75e5c3e BJ |
704 | } |
705 | ||
a752fee0 BJ |
706 | tmtimer(dev) |
707 | int dev; | |
708 | { | |
709 | register struct te_softc *sc = &te_softc[TEUNIT(dev)]; | |
afa0df56 | 710 | register short x; |
a752fee0 BJ |
711 | |
712 | if (sc->sc_timo != INF && (sc->sc_timo -= 5) < 0) { | |
aa4e15a3 | 713 | printf("te%d: lost interrupt\n", TEUNIT(dev)); |
a752fee0 | 714 | sc->sc_timo = INF; |
afa0df56 | 715 | x = spl5(); |
a752fee0 | 716 | tmintr(TMUNIT(dev)); |
afa0df56 | 717 | (void) splx(x); |
a752fee0 | 718 | } |
c27ba986 | 719 | timeout(tmtimer, (caddr_t)dev, 5*hz); |
a752fee0 BJ |
720 | } |
721 | ||
d75e5c3e BJ |
722 | tmseteof(bp) |
723 | register struct buf *bp; | |
724 | { | |
d565635a | 725 | register int teunit = TEUNIT(bp->b_dev); |
a870f835 BJ |
726 | register struct tmdevice *addr = |
727 | (struct tmdevice *)tedinfo[teunit]->ui_addr; | |
d565635a | 728 | register struct te_softc *sc = &te_softc[teunit]; |
d75e5c3e | 729 | |
d565635a | 730 | if (bp == &ctmbuf[TMUNIT(bp->b_dev)]) { |
fb739082 | 731 | if (sc->sc_blkno > bdbtofsb(bp->b_blkno)) { |
d75e5c3e | 732 | /* reversing */ |
fb739082 | 733 | sc->sc_nxrec = bdbtofsb(bp->b_blkno) - addr->tmbc; |
7e00c42b | 734 | sc->sc_blkno = sc->sc_nxrec; |
d75e5c3e BJ |
735 | } else { |
736 | /* spacing forward */ | |
fb739082 | 737 | sc->sc_blkno = bdbtofsb(bp->b_blkno) + addr->tmbc; |
7e00c42b | 738 | sc->sc_nxrec = sc->sc_blkno - 1; |
d75e5c3e BJ |
739 | } |
740 | return; | |
741 | } | |
742 | /* eof on read */ | |
fb739082 | 743 | sc->sc_nxrec = bdbtofsb(bp->b_blkno); |
d75e5c3e BJ |
744 | } |
745 | ||
740e4029 | 746 | tmread(dev, uio) |
71236e46 | 747 | dev_t dev; |
740e4029 | 748 | struct uio *uio; |
d75e5c3e | 749 | { |
0cd5eac7 | 750 | int errno; |
d75e5c3e | 751 | |
0cd5eac7 BJ |
752 | errno = tmphys(dev, uio); |
753 | if (errno) | |
754 | return (errno); | |
755 | return (physio(tmstrategy, &rtmbuf[TMUNIT(dev)], dev, B_READ, minphys, uio)); | |
d75e5c3e BJ |
756 | } |
757 | ||
406ddcbe | 758 | tmwrite(dev, uio) |
71236e46 | 759 | dev_t dev; |
406ddcbe | 760 | struct uio *uio; |
d75e5c3e | 761 | { |
0cd5eac7 | 762 | int errno; |
d75e5c3e | 763 | |
0cd5eac7 BJ |
764 | errno = tmphys(dev, uio); |
765 | if (errno) | |
766 | return (errno); | |
767 | return (physio(tmstrategy, &rtmbuf[TMUNIT(dev)], dev, B_WRITE, minphys, uio)); | |
d75e5c3e BJ |
768 | } |
769 | ||
d565635a BJ |
770 | /* |
771 | * Check that a raw device exists. | |
772 | * If it does, set up sc_blkno and sc_nxrec | |
773 | * so that the tape will appear positioned correctly. | |
774 | */ | |
740e4029 | 775 | tmphys(dev, uio) |
71236e46 | 776 | dev_t dev; |
740e4029 | 777 | struct uio *uio; |
d75e5c3e | 778 | { |
d565635a | 779 | register int teunit = TEUNIT(dev); |
d75e5c3e | 780 | register daddr_t a; |
d565635a BJ |
781 | register struct te_softc *sc; |
782 | register struct uba_device *ui; | |
d75e5c3e | 783 | |
406ddcbe | 784 | if (teunit >= NTE || (ui=tedinfo[teunit]) == 0 || ui->ui_alive == 0) |
740e4029 | 785 | return (ENXIO); |
d565635a | 786 | sc = &te_softc[teunit]; |
406ddcbe | 787 | a = bdbtofsb(uio->uio_offset >> 9); |
7e00c42b BJ |
788 | sc->sc_blkno = a; |
789 | sc->sc_nxrec = a + 1; | |
740e4029 | 790 | return (0); |
d75e5c3e BJ |
791 | } |
792 | ||
71236e46 BJ |
793 | tmreset(uban) |
794 | int uban; | |
795 | { | |
89bd2f01 | 796 | register struct uba_ctlr *um; |
d565635a | 797 | register tm11, teunit; |
89bd2f01 | 798 | register struct uba_device *ui; |
71236e46 BJ |
799 | register struct buf *dp; |
800 | ||
afb907f2 BJ |
801 | for (tm11 = 0; tm11 < NTM; tm11++) { |
802 | if ((um = tmminfo[tm11]) == 0 || um->um_alive == 0 || | |
71236e46 BJ |
803 | um->um_ubanum != uban) |
804 | continue; | |
80905075 | 805 | printf(" tm%d", tm11); |
71236e46 BJ |
806 | um->um_tab.b_active = 0; |
807 | um->um_tab.b_actf = um->um_tab.b_actl = 0; | |
808 | if (um->um_ubinfo) { | |
809 | printf("<%d>", (um->um_ubinfo>>28)&0xf); | |
96b997eb | 810 | um->um_ubinfo = 0; |
71236e46 | 811 | } |
a870f835 | 812 | ((struct tmdevice *)(um->um_addr))->tmcs = TM_DCLR; |
d565635a BJ |
813 | for (teunit = 0; teunit < NTE; teunit++) { |
814 | if ((ui = tedinfo[teunit]) == 0 || ui->ui_mi != um || | |
815 | ui->ui_alive == 0) | |
71236e46 | 816 | continue; |
d565635a | 817 | dp = &teutab[teunit]; |
71236e46 BJ |
818 | dp->b_active = 0; |
819 | dp->b_forw = 0; | |
820 | if (um->um_tab.b_actf == NULL) | |
821 | um->um_tab.b_actf = dp; | |
822 | else | |
823 | um->um_tab.b_actl->b_forw = dp; | |
824 | um->um_tab.b_actl = dp; | |
a752fee0 BJ |
825 | if (te_softc[teunit].sc_openf > 0) |
826 | te_softc[teunit].sc_openf = -1; | |
71236e46 BJ |
827 | } |
828 | tmstart(um); | |
829 | } | |
830 | } | |
831 | ||
d75e5c3e | 832 | /*ARGSUSED*/ |
942f05a9 SL |
833 | tmioctl(dev, cmd, data, flag) |
834 | caddr_t data; | |
d75e5c3e BJ |
835 | dev_t dev; |
836 | { | |
d565635a BJ |
837 | int teunit = TEUNIT(dev); |
838 | register struct te_softc *sc = &te_softc[teunit]; | |
839 | register struct buf *bp = &ctmbuf[TMUNIT(dev)]; | |
d75e5c3e BJ |
840 | register callcount; |
841 | int fcount; | |
942f05a9 SL |
842 | struct mtop *mtop; |
843 | struct mtget *mtget; | |
d75e5c3e | 844 | /* we depend of the values and order of the MT codes here */ |
71236e46 BJ |
845 | static tmops[] = |
846 | {TM_WEOF,TM_SFORW,TM_SREV,TM_SFORW,TM_SREV,TM_REW,TM_OFFL,TM_SENSE}; | |
d75e5c3e | 847 | |
71236e46 | 848 | switch (cmd) { |
942f05a9 SL |
849 | |
850 | case MTIOCTOP: /* tape operation */ | |
851 | mtop = (struct mtop *)data; | |
7da157da | 852 | switch (mtop->mt_op) { |
942f05a9 | 853 | |
71236e46 | 854 | case MTWEOF: |
942f05a9 | 855 | callcount = mtop->mt_count; |
71236e46 BJ |
856 | fcount = 1; |
857 | break; | |
942f05a9 | 858 | |
71236e46 | 859 | case MTFSF: case MTBSF: |
942f05a9 | 860 | callcount = mtop->mt_count; |
d75e5c3e BJ |
861 | fcount = INF; |
862 | break; | |
942f05a9 | 863 | |
d75e5c3e BJ |
864 | case MTFSR: case MTBSR: |
865 | callcount = 1; | |
942f05a9 | 866 | fcount = mtop->mt_count; |
d75e5c3e | 867 | break; |
942f05a9 | 868 | |
77115c00 | 869 | case MTREW: case MTOFFL: case MTNOP: |
d75e5c3e BJ |
870 | callcount = 1; |
871 | fcount = 1; | |
872 | break; | |
942f05a9 | 873 | |
d75e5c3e | 874 | default: |
7da157da | 875 | return (ENXIO); |
71236e46 | 876 | } |
7da157da BJ |
877 | if (callcount <= 0 || fcount <= 0) |
878 | return (EINVAL); | |
71236e46 | 879 | while (--callcount >= 0) { |
942f05a9 SL |
880 | tmcommand(dev, tmops[mtop->mt_op], fcount); |
881 | if ((mtop->mt_op == MTFSR || mtop->mt_op == MTBSR) && | |
7da157da BJ |
882 | bp->b_resid) |
883 | return (EIO); | |
d565635a | 884 | if ((bp->b_flags&B_ERROR) || sc->sc_erreg&TMER_BOT) |
d75e5c3e BJ |
885 | break; |
886 | } | |
a1edc12b | 887 | return (geterror(bp)); |
942f05a9 | 888 | |
d75e5c3e | 889 | case MTIOCGET: |
942f05a9 SL |
890 | mtget = (struct mtget *)data; |
891 | mtget->mt_dsreg = sc->sc_dsreg; | |
892 | mtget->mt_erreg = sc->sc_erreg; | |
893 | mtget->mt_resid = sc->sc_resid; | |
894 | mtget->mt_type = MT_ISTM; | |
7da157da | 895 | break; |
942f05a9 | 896 | |
d75e5c3e | 897 | default: |
7da157da | 898 | return (ENXIO); |
d75e5c3e | 899 | } |
7da157da | 900 | return (0); |
d75e5c3e BJ |
901 | } |
902 | ||
903 | #define DBSIZE 20 | |
904 | ||
7455bf3e | 905 | tmdump() |
d75e5c3e | 906 | { |
89bd2f01 | 907 | register struct uba_device *ui; |
3f3a34c3 | 908 | register struct uba_regs *up; |
a870f835 | 909 | register struct tmdevice *addr; |
5aa9d5ea RE |
910 | int blk, num; |
911 | int start; | |
d75e5c3e | 912 | |
5aa9d5ea RE |
913 | start = 0; |
914 | num = maxfree; | |
915 | #define phys(a,b) ((b)((int)(a)&0x7fffffff)) | |
d565635a | 916 | if (tedinfo[0] == 0) |
2536c16c | 917 | return (ENXIO); |
d565635a | 918 | ui = phys(tedinfo[0], struct uba_device *); |
3f3a34c3 | 919 | up = phys(ui->ui_hd, struct uba_hd *)->uh_physuba; |
57229699 | 920 | ubainit(up); |
77115c00 | 921 | DELAY(1000000); |
a870f835 | 922 | addr = (struct tmdevice *)ui->ui_physaddr; |
3f3a34c3 | 923 | tmwait(addr); |
71236e46 | 924 | addr->tmcs = TM_DCLR | TM_GO; |
d75e5c3e BJ |
925 | while (num > 0) { |
926 | blk = num > DBSIZE ? DBSIZE : num; | |
3f3a34c3 | 927 | tmdwrite(start, blk, addr, up); |
d75e5c3e BJ |
928 | start += blk; |
929 | num -= blk; | |
930 | } | |
5aa9d5ea RE |
931 | tmeof(addr); |
932 | tmeof(addr); | |
7e00c42b | 933 | tmwait(addr); |
2536c16c BJ |
934 | if (addr->tmcs&TM_ERR) |
935 | return (EIO); | |
71236e46 | 936 | addr->tmcs = TM_REW | TM_GO; |
5aa9d5ea | 937 | tmwait(addr); |
7455bf3e | 938 | return (0); |
d75e5c3e BJ |
939 | } |
940 | ||
71236e46 BJ |
941 | tmdwrite(dbuf, num, addr, up) |
942 | register dbuf, num; | |
a870f835 | 943 | register struct tmdevice *addr; |
3f3a34c3 | 944 | struct uba_regs *up; |
d75e5c3e | 945 | { |
3f3a34c3 BJ |
946 | register struct pte *io; |
947 | register int npf; | |
0a51498e | 948 | |
3f3a34c3 | 949 | tmwait(addr); |
3f3a34c3 | 950 | io = up->uba_map; |
d75e5c3e | 951 | npf = num+1; |
0a51498e | 952 | while (--npf != 0) |
89bd2f01 | 953 | *(int *)io++ = (dbuf++ | (1<<UBAMR_DPSHIFT) | UBAMR_MRV); |
3f3a34c3 BJ |
954 | *(int *)io = 0; |
955 | addr->tmbc = -(num*NBPG); | |
956 | addr->tmba = 0; | |
71236e46 | 957 | addr->tmcs = TM_WCOM | TM_GO; |
d75e5c3e BJ |
958 | } |
959 | ||
3f3a34c3 | 960 | tmwait(addr) |
a870f835 | 961 | register struct tmdevice *addr; |
d75e5c3e | 962 | { |
0a51498e | 963 | register s; |
d75e5c3e BJ |
964 | |
965 | do | |
3f3a34c3 | 966 | s = addr->tmcs; |
71236e46 | 967 | while ((s & TM_CUR) == 0); |
d75e5c3e BJ |
968 | } |
969 | ||
3f3a34c3 | 970 | tmeof(addr) |
a870f835 | 971 | struct tmdevice *addr; |
d75e5c3e BJ |
972 | { |
973 | ||
3f3a34c3 | 974 | tmwait(addr); |
71236e46 | 975 | addr->tmcs = TM_WEOF | TM_GO; |
d75e5c3e BJ |
976 | } |
977 | #endif |