Commit | Line | Data |
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2149e3ac MK |
1 | /* |
2 | * Copyright (c) 1988 Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
677067f0 MK |
5 | * This code is derived from software contributed to Berkeley by |
6 | * Computer Consoles Inc. | |
7 | * | |
b702c21d | 8 | * %sccs.include.redist.c% |
2149e3ac | 9 | * |
b28b3a13 | 10 | * @(#)vd.c 7.13 (Berkeley) %G% |
2149e3ac | 11 | */ |
210a9f40 | 12 | |
ad409ece | 13 | #include "dk.h" |
210a9f40 SL |
14 | #if NVD > 0 |
15 | /* | |
7bae1a62 | 16 | * Versabus VDDC/SMDE driver. |
9d915fad | 17 | */ |
b28b3a13 KB |
18 | #include "sys/param.h" |
19 | #include "sys/buf.h" | |
20 | #include "sys/cmap.h" | |
21 | #include "sys/conf.h" | |
22 | #include "sys/dkstat.h" | |
23 | #include "sys/disklabel.h" | |
24 | #include "sys/map.h" | |
25 | #include "sys/file.h" | |
26 | #include "sys/systm.h" | |
27 | #include "sys/user.h" | |
28 | #include "sys/vmmac.h" | |
29 | #include "sys/proc.h" | |
30 | #include "sys/syslog.h" | |
31 | #include "sys/kernel.h" | |
32 | #include "sys/ioctl.h" | |
33 | #include "sys/stat.h" | |
9d915fad | 34 | |
b28b3a13 KB |
35 | #include "../include/cpu.h" |
36 | #include "../include/mtpr.h" | |
37 | #include "../include/pte.h" | |
997cf0e7 | 38 | |
b28b3a13 KB |
39 | #include "../vba/vbavar.h" |
40 | #include "../vba/vdreg.h" | |
9d915fad | 41 | |
f9e93bbe | 42 | #ifndef COMPAT_42 |
7bae1a62 | 43 | #define COMPAT_42 |
f9e93bbe | 44 | #endif |
81304755 | 45 | #define B_FORMAT B_XXX /* XXX */ |
210a9f40 | 46 | |
7bae1a62 SL |
47 | #define vdunit(dev) (minor(dev) >> 3) |
48 | #define vdpart(dev) (minor(dev) & 0x07) | |
49 | #define vdminor(unit,part) (((unit) << 3) | (part)) | |
210a9f40 SL |
50 | |
51 | struct vba_ctlr *vdminfo[NVD]; | |
ad409ece | 52 | struct vba_device *vddinfo[NDK]; |
d99b7c9d | 53 | int vdprobe(), vdslave(), vdattach(), vddgo(), vdstrategy(); |
2149e3ac | 54 | long vdstd[] = { 0xffff2000, 0xffff2100, 0xffff2200, 0xffff2300, 0 }; |
9d915fad | 55 | struct vba_driver vddriver = |
2149e3ac | 56 | { vdprobe, vdslave, vdattach, vddgo, vdstd, "dk", vddinfo, "vd", vdminfo }; |
7bae1a62 SL |
57 | |
58 | /* | |
59 | * Per-controller state. | |
60 | */ | |
61 | struct vdsoftc { | |
62 | u_short vd_flags; | |
261c73f6 | 63 | #define VD_PRINT 0x1 /* controller info printed */ |
7bae1a62 SL |
64 | #define VD_STARTED 0x2 /* start command issued */ |
65 | #define VD_DOSEEKS 0x4 /* should overlap seeks */ | |
d99b7c9d | 66 | #define VD_SCATGATH 0x8 /* can do scatter-gather commands (correctly) */ |
2d1c4664 MK |
67 | #define VD_LOCKED 0x10 /* locked for direct controller access */ |
68 | #define VD_WAIT 0x20 /* someone needs direct controller access */ | |
7bae1a62 SL |
69 | u_short vd_type; /* controller type */ |
70 | u_short vd_wticks; /* timeout */ | |
261c73f6 | 71 | u_short vd_secsize; /* sector size for controller */ |
7bae1a62 SL |
72 | struct mdcb vd_mdcb; /* master command block */ |
73 | u_long vd_mdcbphys; /* physical address of vd_mdcb */ | |
74 | struct dcb vd_dcb; /* i/o command block */ | |
75 | u_long vd_dcbphys; /* physical address of vd_dcb */ | |
1f9a1539 | 76 | struct vb_buf vd_rbuf; /* vba resources */ |
7bae1a62 | 77 | } vdsoftc[NVD]; |
210a9f40 | 78 | |
81304755 MK |
79 | #define VDMAXTIME 20 /* max time for operation, sec. */ |
80 | ||
210a9f40 | 81 | /* |
9d915fad SL |
82 | * Per-drive state. |
83 | */ | |
7bae1a62 | 84 | struct dksoftc { |
60d9b6a0 | 85 | int dk_state; /* open fsm */ |
d99b7c9d MK |
86 | #ifndef SECSIZE |
87 | u_short dk_bshift; /* shift for * (DEV_BSIZE / sectorsize) XXX */ | |
88 | #endif SECSIZE | |
60d9b6a0 | 89 | int dk_wlabel; /* label sector is currently writable */ |
7e9892e0 MK |
90 | u_long dk_copenpart; /* character units open on this drive */ |
91 | u_long dk_bopenpart; /* block units open on this drive */ | |
92 | u_long dk_openpart; /* all units open on this drive */ | |
7bae1a62 | 93 | u_int dk_curcyl; /* last selected cylinder */ |
d99b7c9d | 94 | struct skdcb dk_dcb; /* seek command block */ |
7bae1a62 | 95 | u_long dk_dcbphys; /* physical address of dk_dcb */ |
81304755 | 96 | int df_reg[3]; /* for formatting, in-out parameters */ |
7bae1a62 | 97 | } dksoftc[NDK]; |
210a9f40 SL |
98 | |
99 | /* | |
7bae1a62 SL |
100 | * Drive states. Used during steps of open/initialization. |
101 | * States < OPEN (> 0) are transient, during an open operation. | |
60d9b6a0 | 102 | * OPENRAW is used for unlabeled disks, to allow format operations. |
9d915fad | 103 | */ |
7bae1a62 SL |
104 | #define CLOSED 0 /* disk is closed */ |
105 | #define WANTOPEN 1 /* open requested, not started */ | |
106 | #define WANTOPENRAW 2 /* open requested, no label */ | |
107 | #define RDLABEL 3 /* reading pack label */ | |
108 | #define OPEN 4 /* intialized and ready */ | |
109 | #define OPENRAW 5 /* open, no label */ | |
110 | ||
7bae1a62 SL |
111 | struct buf dkutab[NDK]; /* i/o queue headers */ |
112 | struct disklabel dklabel[NDK]; /* pack labels */ | |
113 | ||
114 | #define b_cylin b_resid | |
2bb994d6 MK |
115 | #define b_track b_error /* used for seek commands */ |
116 | #define b_seekf b_forw /* second queue on um_tab */ | |
117 | #define b_seekl b_back /* second queue on um_tab */ | |
7bae1a62 SL |
118 | |
119 | int vdwstart, vdwatch(); | |
210a9f40 SL |
120 | |
121 | /* | |
9d915fad SL |
122 | * See if the controller is really there; if so, initialize it. |
123 | */ | |
336ca318 SL |
124 | vdprobe(reg, vm) |
125 | caddr_t reg; | |
126 | struct vba_ctlr *vm; | |
210a9f40 | 127 | { |
336ca318 | 128 | register br, cvec; /* must be r12, r11 */ |
7bae1a62 SL |
129 | register struct vddevice *vdaddr = (struct vddevice *)reg; |
130 | struct vdsoftc *vd; | |
4f42a6a1 | 131 | int s; |
336ca318 | 132 | |
82bc5dc5 MK |
133 | #ifdef lint |
134 | br = 0; cvec = br; br = cvec; | |
135 | vdintr(0); | |
136 | #endif | |
336ca318 | 137 | if (badaddr((caddr_t)reg, 2)) |
9d915fad | 138 | return (0); |
7bae1a62 SL |
139 | vd = &vdsoftc[vm->um_ctlr]; |
140 | vdaddr->vdreset = 0xffffffff; | |
9d915fad | 141 | DELAY(1000000); |
7bae1a62 SL |
142 | if (vdaddr->vdreset != (unsigned)0xffffffff) { |
143 | vd->vd_type = VDTYPE_VDDC; | |
144 | vd->vd_flags &= ~VD_DOSEEKS; | |
9d915fad SL |
145 | DELAY(1000000); |
146 | } else { | |
7bae1a62 SL |
147 | vd->vd_type = VDTYPE_SMDE; |
148 | vd->vd_flags |= VD_DOSEEKS; | |
149 | vdaddr->vdrstclr = 0; | |
9d915fad | 150 | DELAY(3000000); |
210a9f40 | 151 | } |
7bae1a62 SL |
152 | vd->vd_mdcbphys = vtoph((struct proc *)0, (unsigned)&vd->vd_mdcb); |
153 | vd->vd_dcbphys = vtoph((struct proc *)0, (unsigned)&vd->vd_dcb); | |
154 | vm->um_addr = reg; /* XXX */ | |
4f42a6a1 | 155 | s = spl7(); |
261c73f6 | 156 | if (vdinit_ctlr(vm, vd) == 0) { |
4f42a6a1 | 157 | splx(s); |
7bae1a62 SL |
158 | return (0); |
159 | } | |
d99b7c9d | 160 | if (vd->vd_type == VDTYPE_SMDE) { |
261c73f6 MK |
161 | #ifdef notdef |
162 | /* | |
163 | * Attempt PROBE to get all drive status; | |
164 | * we take advantage of this in vdreset_drive | |
165 | * to try to avoid guessing games. | |
166 | */ | |
167 | (void) vdcmd(vm, VDOP_PROBE, 5, 0); | |
168 | #endif | |
169 | /* | |
170 | * Check for scatter-gather by checking firmware date | |
171 | * with IDENT command. The date is printed when | |
172 | * vdslave is first called, thus this must be | |
173 | * the last controller operation in vdprobe. | |
174 | */ | |
d99b7c9d | 175 | vd->vd_dcb.trail.idtrail.date = 0; |
07cd2d63 | 176 | if (vdcmd(vm, VDOP_IDENT, 10, 0)) { |
d99b7c9d MK |
177 | uncache(&vd->vd_dcb.trail.idtrail.date); |
178 | if (vd->vd_dcb.trail.idtrail.date != 0) | |
179 | vd->vd_flags |= VD_SCATGATH; | |
180 | } | |
181 | } | |
4f42a6a1 | 182 | splx(s); |
7c4f3479 | 183 | /* |
f60fa697 | 184 | * Allocate page tables and i/o buffer. |
7c4f3479 | 185 | */ |
f9e93bbe MK |
186 | if (vbainit(&vd->vd_rbuf, MAXPHYS, |
187 | vd->vd_type == VDTYPE_VDDC ? VB_24BIT : VB_32BIT) == 0) { | |
188 | printf("vd%d: vbainit failed\n", vm->um_ctlr); | |
189 | return (0); | |
190 | } | |
336ca318 | 191 | br = 0x17, cvec = 0xe0 + vm->um_ctlr; /* XXX */ |
7bae1a62 | 192 | return (sizeof (struct vddevice)); |
9d915fad | 193 | } |
210a9f40 SL |
194 | |
195 | /* | |
7bae1a62 SL |
196 | * See if a drive is really there. |
197 | * | |
198 | * Can't read pack label here as various data structures | |
199 | * aren't setup for doing a read in a straightforward | |
200 | * manner. Instead just probe for the drive and leave | |
201 | * the pack label stuff to the attach routine. | |
9d915fad | 202 | */ |
60d9b6a0 MK |
203 | /* ARGSUSED */ |
204 | vdslave(vi, vdaddr) | |
9d915fad | 205 | register struct vba_device *vi; |
7bae1a62 | 206 | struct vddevice *vdaddr; |
210a9f40 | 207 | { |
7bae1a62 | 208 | register struct disklabel *lp = &dklabel[vi->ui_unit]; |
f9e93bbe | 209 | register struct dksoftc *dk = &dksoftc[vi->ui_unit]; |
7bae1a62 | 210 | struct vdsoftc *vd = &vdsoftc[vi->ui_ctlr]; |
261c73f6 | 211 | int bcd(); |
9d915fad | 212 | |
261c73f6 | 213 | if ((vd->vd_flags&VD_PRINT) == 0) { |
07cd2d63 MK |
214 | printf("vd%d: %s controller", vi->ui_ctlr, |
215 | vd->vd_type == VDTYPE_VDDC ? "VDDC" : "SMDE"); | |
216 | if (vd->vd_flags & VD_SCATGATH) { | |
217 | char rev[5]; | |
218 | ||
219 | bcopy((caddr_t)&vd->vd_dcb.trail.idtrail.rev, rev, | |
220 | sizeof(vd->vd_dcb.trail.idtrail.rev)); | |
221 | printf(" firmware rev %s (%d-%d-%d)", rev, | |
261c73f6 MK |
222 | bcd((vd->vd_dcb.trail.idtrail.date >> 8) & 0xff), |
223 | bcd(vd->vd_dcb.trail.idtrail.date & 0xff), | |
224 | bcd((vd->vd_dcb.trail.idtrail.date >> 16)&0xffff)); | |
07cd2d63 MK |
225 | } |
226 | printf("\n"); | |
261c73f6 | 227 | vd->vd_flags |= VD_PRINT; |
210a9f40 | 228 | } |
7bae1a62 | 229 | |
210a9f40 | 230 | /* |
7bae1a62 SL |
231 | * Initialize label enough to do a reset on |
232 | * the drive. The remainder of the default | |
233 | * label values will be filled in in vdinit | |
234 | * at attach time. | |
210a9f40 | 235 | */ |
f9e93bbe MK |
236 | if (vd->vd_type == VDTYPE_SMDE) |
237 | lp->d_secsize = VD_MAXSECSIZE; | |
238 | else | |
239 | lp->d_secsize = VDDC_SECSIZE; | |
81304755 | 240 | lp->d_nsectors = 66; /* only used on smd-e */ |
60d9b6a0 | 241 | lp->d_ntracks = 23; |
81304755 MK |
242 | lp->d_ncylinders = 850; |
243 | lp->d_secpercyl = 66*23; | |
07cd2d63 | 244 | lp->d_rpm = 3600; |
35841c05 MK |
245 | lp->d_npartitions = 1; |
246 | lp->d_partitions[0].p_offset = 0; | |
247 | lp->d_partitions[0].p_size = LABELSECTOR + 1; | |
7bae1a62 | 248 | |
7bae1a62 SL |
249 | /* |
250 | * Initialize invariant portion of | |
251 | * dcb used for overlapped seeks. | |
252 | */ | |
253 | dk->dk_dcb.opcode = VDOP_SEEK; | |
254 | dk->dk_dcb.intflg = DCBINT_NONE | DCBINT_PBA; | |
255 | dk->dk_dcb.devselect = vi->ui_slave; | |
d99b7c9d | 256 | dk->dk_dcb.trailcnt = sizeof (struct trseek) / sizeof (long); |
7bae1a62 SL |
257 | dk->dk_dcb.trail.sktrail.skaddr.sector = 0; |
258 | dk->dk_dcbphys = vtoph((struct proc *)0, (unsigned)&dk->dk_dcb); | |
f9e93bbe MK |
259 | #ifndef SECSIZE |
260 | vd_setsecsize(dk, lp); | |
261 | #endif | |
262 | return (vdreset_drive(vi)); | |
263 | } | |
264 | ||
261c73f6 MK |
265 | static int |
266 | bcd(n) | |
267 | register u_int n; | |
268 | { | |
269 | register int bin = 0; | |
270 | register int mul = 1; | |
271 | ||
272 | while (n) { | |
273 | bin += (n & 0xf) * mul; | |
274 | n >>= 4; | |
275 | mul *= 10; | |
276 | } | |
277 | return (bin); | |
278 | } | |
279 | ||
f9e93bbe MK |
280 | vdattach(vi) |
281 | register struct vba_device *vi; | |
282 | { | |
283 | register int unit = vi->ui_unit; | |
284 | register struct disklabel *lp = &dklabel[unit]; | |
285 | ||
1f9a1539 MK |
286 | /* |
287 | * Try to initialize device and read pack label. | |
288 | */ | |
289 | if (vdinit(vdminor(unit, 0), 0) != 0) { | |
290 | printf(": unknown drive type"); | |
291 | return; | |
292 | } | |
f9e93bbe MK |
293 | if (dksoftc[unit].dk_state == OPEN) |
294 | printf(": %s <secsize %d, ntrak %d, ncyl %d, nsec %d>", | |
295 | lp->d_typename, lp->d_secsize, | |
296 | lp->d_ntracks, lp->d_ncylinders, lp->d_nsectors); | |
7bae1a62 SL |
297 | /* |
298 | * (60 / rpm) / (sectors per track * (bytes per sector / 2)) | |
299 | */ | |
300 | if (vi->ui_dk >= 0) | |
80b6b780 KM |
301 | dk_wpms[vi->ui_dk] = |
302 | (lp->d_rpm * lp->d_nsectors * lp->d_secsize) / 120; | |
7bae1a62 | 303 | #ifdef notyet |
4f42a6a1 | 304 | addswap(makedev(VDMAJOR, vdminor(unit, 0)), lp); |
7bae1a62 | 305 | #endif |
9d915fad SL |
306 | } |
307 | ||
d99b7c9d | 308 | vdopen(dev, flags, fmt) |
7bae1a62 | 309 | dev_t dev; |
d99b7c9d | 310 | int flags, fmt; |
9d915fad | 311 | { |
7bae1a62 SL |
312 | register unit = vdunit(dev); |
313 | register struct disklabel *lp; | |
314 | register struct dksoftc *dk; | |
315 | register struct partition *pp; | |
316 | struct vba_device *vi; | |
261c73f6 | 317 | int s, error = 0, part = vdpart(dev), mask = 1 << part; |
7bae1a62 SL |
318 | daddr_t start, end; |
319 | ||
320 | if (unit >= NDK || (vi = vddinfo[unit]) == 0 || vi->ui_alive == 0) | |
321 | return (ENXIO); | |
322 | lp = &dklabel[unit]; | |
323 | dk = &dksoftc[unit]; | |
9d915fad | 324 | |
7bae1a62 SL |
325 | s = spl7(); |
326 | while (dk->dk_state != OPEN && dk->dk_state != OPENRAW && | |
327 | dk->dk_state != CLOSED) | |
261c73f6 MK |
328 | if (error = tsleep((caddr_t)dk, (PZERO+1) | PCATCH, devopn, 0)) |
329 | break; | |
7bae1a62 | 330 | splx(s); |
261c73f6 MK |
331 | if (error) |
332 | return (error); | |
7bae1a62 SL |
333 | if (dk->dk_state != OPEN && dk->dk_state != OPENRAW) |
334 | if (error = vdinit(dev, flags)) | |
335 | return (error); | |
4f42a6a1 MK |
336 | |
337 | if (vdwstart == 0) { | |
338 | timeout(vdwatch, (caddr_t)0, hz); | |
339 | vdwstart++; | |
340 | } | |
7bae1a62 SL |
341 | /* |
342 | * Warn if a partion is opened | |
343 | * that overlaps another partition which is open | |
344 | * unless one is the "raw" partition (whole disk). | |
345 | */ | |
f9e93bbe | 346 | #define RAWPART 8 /* 'x' partition */ /* XXX */ |
7e9892e0 | 347 | if ((dk->dk_openpart & mask) == 0 && part != RAWPART) { |
7bae1a62 SL |
348 | pp = &lp->d_partitions[part]; |
349 | start = pp->p_offset; | |
350 | end = pp->p_offset + pp->p_size; | |
351 | for (pp = lp->d_partitions; | |
352 | pp < &lp->d_partitions[lp->d_npartitions]; pp++) { | |
353 | if (pp->p_offset + pp->p_size <= start || | |
354 | pp->p_offset >= end) | |
355 | continue; | |
356 | if (pp - lp->d_partitions == RAWPART) | |
357 | continue; | |
358 | if (dk->dk_openpart & (1 << (pp - lp->d_partitions))) | |
359 | log(LOG_WARNING, | |
360 | "dk%d%c: overlaps open partition (%c)\n", | |
361 | unit, part + 'a', | |
362 | pp - lp->d_partitions + 'a'); | |
363 | } | |
9d915fad | 364 | } |
7bae1a62 SL |
365 | if (part >= lp->d_npartitions) |
366 | return (ENXIO); | |
d99b7c9d MK |
367 | dk->dk_openpart |= mask; |
368 | switch (fmt) { | |
369 | case S_IFCHR: | |
370 | dk->dk_copenpart |= mask; | |
371 | break; | |
372 | case S_IFBLK: | |
373 | dk->dk_bopenpart |= mask; | |
374 | break; | |
375 | } | |
7bae1a62 | 376 | return (0); |
9d915fad SL |
377 | } |
378 | ||
2149e3ac | 379 | /* ARGSUSED */ |
d99b7c9d | 380 | vdclose(dev, flags, fmt) |
7bae1a62 | 381 | dev_t dev; |
d99b7c9d | 382 | int flags, fmt; |
9d915fad | 383 | { |
7bae1a62 SL |
384 | register int unit = vdunit(dev); |
385 | register struct dksoftc *dk = &dksoftc[unit]; | |
d99b7c9d | 386 | int part = vdpart(dev), mask = 1 << part; |
7bae1a62 | 387 | |
d99b7c9d MK |
388 | switch (fmt) { |
389 | case S_IFCHR: | |
390 | dk->dk_copenpart &= ~mask; | |
391 | break; | |
392 | case S_IFBLK: | |
393 | dk->dk_bopenpart &= ~mask; | |
394 | break; | |
395 | } | |
396 | if (((dk->dk_copenpart | dk->dk_bopenpart) & mask) == 0) | |
397 | dk->dk_openpart &= ~mask; | |
7bae1a62 SL |
398 | /* |
399 | * Should wait for i/o to complete on this partition | |
400 | * even if others are open, but wait for work on blkflush(). | |
401 | */ | |
402 | if (dk->dk_openpart == 0) { | |
4f42a6a1 MK |
403 | int s = spl7(); |
404 | while (dkutab[unit].b_actf) | |
405 | sleep((caddr_t)dk, PZERO-1); | |
7bae1a62 SL |
406 | splx(s); |
407 | dk->dk_state = CLOSED; | |
60d9b6a0 | 408 | dk->dk_wlabel = 0; |
210a9f40 | 409 | } |
d99b7c9d | 410 | return (0); |
210a9f40 SL |
411 | } |
412 | ||
7bae1a62 SL |
413 | vdinit(dev, flags) |
414 | dev_t dev; | |
415 | int flags; | |
210a9f40 | 416 | { |
7bae1a62 SL |
417 | register struct disklabel *lp; |
418 | register struct dksoftc *dk; | |
419 | struct vba_device *vi; | |
7bae1a62 | 420 | int unit = vdunit(dev), error = 0; |
d99b7c9d | 421 | char *msg, *readdisklabel(); |
7bae1a62 SL |
422 | extern int cold; |
423 | ||
424 | dk = &dksoftc[unit]; | |
425 | if (flags & O_NDELAY) { | |
426 | dk->dk_state = OPENRAW; | |
2149e3ac | 427 | return (0); |
7bae1a62 | 428 | } |
7bae1a62 SL |
429 | dk->dk_state = RDLABEL; |
430 | lp = &dklabel[unit]; | |
7bae1a62 | 431 | vi = vddinfo[unit]; |
d99b7c9d | 432 | if (msg = readdisklabel(dev, vdstrategy, lp)) { |
60d9b6a0 | 433 | if (cold) { |
1f9a1539 | 434 | printf(": %s", msg); |
60d9b6a0 MK |
435 | dk->dk_state = CLOSED; |
436 | } else { | |
f9e93bbe | 437 | log(LOG_ERR, "dk%d: %s\n", unit, msg); |
d99b7c9d | 438 | dk->dk_state = OPENRAW; |
60d9b6a0 MK |
439 | } |
440 | #ifdef COMPAT_42 | |
2d1c4664 | 441 | vdlock(vi->ui_ctlr); |
60d9b6a0 | 442 | if (vdmaptype(vi, lp)) |
7bae1a62 | 443 | dk->dk_state = OPEN; |
2d1c4664 | 444 | vdunlock(vi->ui_ctlr); |
7bae1a62 | 445 | #endif |
d99b7c9d MK |
446 | } else { |
447 | /* | |
448 | * Now that we have the label, configure | |
449 | * the correct drive parameters. | |
450 | */ | |
2d1c4664 | 451 | vdlock(vi->ui_ctlr); |
f9e93bbe MK |
452 | if (vdreset_drive(vi)) |
453 | dk->dk_state = OPEN; | |
454 | else { | |
d99b7c9d MK |
455 | dk->dk_state = CLOSED; |
456 | error = ENXIO; | |
f9e93bbe | 457 | } |
2d1c4664 | 458 | vdunlock(vi->ui_ctlr); |
9d915fad | 459 | } |
d99b7c9d | 460 | #ifndef SECSIZE |
f9e93bbe MK |
461 | vd_setsecsize(dk, lp); |
462 | #endif | |
7bae1a62 SL |
463 | wakeup((caddr_t)dk); |
464 | return (error); | |
210a9f40 SL |
465 | } |
466 | ||
f9e93bbe MK |
467 | #ifndef SECSIZE |
468 | vd_setsecsize(dk, lp) | |
469 | register struct dksoftc *dk; | |
470 | register struct disklabel *lp; | |
471 | { | |
472 | int mul; | |
473 | ||
474 | /* | |
475 | * Calculate scaling shift for mapping | |
476 | * DEV_BSIZE blocks to drive sectors. | |
477 | */ | |
478 | mul = DEV_BSIZE / lp->d_secsize; | |
479 | dk->dk_bshift = 0; | |
480 | while ((mul >>= 1) > 0) | |
481 | dk->dk_bshift++; | |
482 | } | |
483 | #endif SECSIZE | |
484 | ||
9d915fad | 485 | /*ARGSUSED*/ |
7bae1a62 SL |
486 | vddgo(vm) |
487 | struct vba_device *vm; | |
210a9f40 | 488 | { |
9d915fad | 489 | |
210a9f40 SL |
490 | } |
491 | ||
492 | vdstrategy(bp) | |
9d915fad | 493 | register struct buf *bp; |
210a9f40 | 494 | { |
7bae1a62 SL |
495 | register struct vba_device *vi; |
496 | register struct disklabel *lp; | |
497 | register struct dksoftc *dk; | |
498 | register int unit; | |
4f42a6a1 | 499 | register daddr_t sn; |
7bae1a62 | 500 | struct buf *dp; |
4f42a6a1 | 501 | daddr_t sz, maxsz; |
7bae1a62 SL |
502 | int part, s; |
503 | ||
7bae1a62 | 504 | unit = vdunit(bp->b_dev); |
f9e93bbe | 505 | if (unit >= NDK) { |
7bae1a62 SL |
506 | bp->b_error = ENXIO; |
507 | goto bad; | |
508 | } | |
509 | vi = vddinfo[unit]; | |
510 | lp = &dklabel[unit]; | |
511 | if (vi == 0 || vi->ui_alive == 0) { | |
1e9609f2 | 512 | bp->b_error = ENXIO; |
9d915fad | 513 | goto bad; |
1e9609f2 | 514 | } |
7bae1a62 | 515 | dk = &dksoftc[unit]; |
261c73f6 MK |
516 | if (dk->dk_state < OPEN) { |
517 | if (dk->dk_state == CLOSED) { | |
518 | bp->b_error = EIO; | |
519 | goto bad; | |
520 | } | |
7bae1a62 | 521 | goto q; |
261c73f6 | 522 | } |
60d9b6a0 MK |
523 | if (dk->dk_state != OPEN && (bp->b_flags & B_READ) == 0) { |
524 | bp->b_error = EROFS; | |
525 | goto bad; | |
526 | } | |
7bae1a62 SL |
527 | part = vdpart(bp->b_dev); |
528 | if ((dk->dk_openpart & (1 << part)) == 0) { | |
529 | bp->b_error = ENODEV; | |
530 | goto bad; | |
531 | } | |
f9e93bbe | 532 | sz = (bp->b_bcount + lp->d_secsize - 1) / lp->d_secsize; |
7bae1a62 | 533 | maxsz = lp->d_partitions[part].p_size; |
d99b7c9d MK |
534 | #ifndef SECSIZE |
535 | sn = bp->b_blkno << dk->dk_bshift; | |
536 | #else SECSIZE | |
4f42a6a1 | 537 | sn = bp->b_blkno; |
d99b7c9d | 538 | #endif SECSIZE |
60d9b6a0 MK |
539 | if (sn + lp->d_partitions[part].p_offset <= LABELSECTOR && |
540 | #if LABELSECTOR != 0 | |
541 | sn + lp->d_partitions[part].p_offset + sz > LABELSECTOR && | |
542 | #endif | |
543 | (bp->b_flags & B_READ) == 0 && dk->dk_wlabel == 0) { | |
544 | bp->b_error = EROFS; | |
545 | goto bad; | |
546 | } | |
7bae1a62 SL |
547 | if (sn < 0 || sn + sz > maxsz) { |
548 | if (sn == maxsz) { | |
1e9609f2 MK |
549 | bp->b_resid = bp->b_bcount; |
550 | goto done; | |
551 | } | |
d99b7c9d | 552 | sz = maxsz - sn; |
4f42a6a1 MK |
553 | if (sz <= 0) { |
554 | bp->b_error = EINVAL; | |
555 | goto bad; | |
556 | } | |
557 | bp->b_bcount = sz * lp->d_secsize; | |
210a9f40 | 558 | } |
7bae1a62 | 559 | bp->b_cylin = (sn + lp->d_partitions[part].p_offset) / lp->d_secpercyl; |
d99b7c9d MK |
560 | #ifdef SECSIZE |
561 | if (bp->b_blksize != lp->d_secsize && (bp->b_flags & B_PGIN) == 0) | |
562 | panic("vdstrat blksize"); | |
563 | #endif SECSIZE | |
7bae1a62 | 564 | q: |
9d915fad | 565 | s = spl7(); |
7bae1a62 SL |
566 | dp = &dkutab[vi->ui_unit]; |
567 | disksort(dp, bp); | |
568 | if (!dp->b_active) { | |
569 | (void) vdustart(vi); | |
4f42a6a1 | 570 | if (!vi->ui_mi->um_tab.b_active) |
7bae1a62 | 571 | vdstart(vi->ui_mi); |
9d915fad | 572 | } |
7bae1a62 | 573 | splx(s); |
210a9f40 | 574 | return; |
9d915fad | 575 | bad: |
1e9609f2 MK |
576 | bp->b_flags |= B_ERROR; |
577 | done: | |
7bae1a62 SL |
578 | biodone(bp); |
579 | return; | |
210a9f40 SL |
580 | } |
581 | ||
7bae1a62 SL |
582 | vdustart(vi) |
583 | register struct vba_device *vi; | |
9d915fad | 584 | { |
7bae1a62 SL |
585 | register struct buf *bp, *dp; |
586 | register struct vba_ctlr *vm; | |
587 | register int unit = vi->ui_unit; | |
588 | register struct dksoftc *dk; | |
589 | register struct vdsoftc *vd; | |
590 | struct disklabel *lp; | |
591 | ||
7bae1a62 SL |
592 | dp = &dkutab[unit]; |
593 | /* | |
594 | * If queue empty, nothing to do. | |
595 | */ | |
596 | if ((bp = dp->b_actf) == NULL) | |
597 | return; | |
598 | /* | |
2bb994d6 MK |
599 | * If drive is off-cylinder and controller supports seeks, |
600 | * place drive on seek queue for controller. | |
601 | * Otherwise, place on transfer queue. | |
7bae1a62 SL |
602 | */ |
603 | vd = &vdsoftc[vi->ui_ctlr]; | |
604 | dk = &dksoftc[unit]; | |
2bb994d6 | 605 | vm = vi->ui_mi; |
7bae1a62 | 606 | if (bp->b_cylin != dk->dk_curcyl && vd->vd_flags&VD_DOSEEKS) { |
7bae1a62 | 607 | lp = &dklabel[unit]; |
2bb994d6 MK |
608 | bp->b_track = (bp->b_blkno % lp->d_secpercyl) / lp->d_nsectors; |
609 | if (vm->um_tab.b_seekf == NULL) | |
610 | vm->um_tab.b_seekf = dp; | |
611 | else | |
612 | vm->um_tab.b_seekl->b_forw = dp; | |
613 | vm->um_tab.b_seekl = dp; | |
614 | } else { | |
615 | if (vm->um_tab.b_actf == NULL) | |
616 | vm->um_tab.b_actf = dp; | |
617 | else | |
618 | vm->um_tab.b_actl->b_forw = dp; | |
619 | vm->um_tab.b_actl = dp; | |
7bae1a62 | 620 | } |
4f42a6a1 | 621 | dp->b_forw = NULL; |
4f42a6a1 | 622 | dp->b_active++; |
9d915fad SL |
623 | } |
624 | ||
625 | /* | |
7bae1a62 | 626 | * Start next transfer on a controller. |
2bb994d6 MK |
627 | * There are two queues of drives, the first on-cylinder |
628 | * and the second off-cylinder from their next transfers. | |
629 | * Perform the first transfer for the first drive on the on-cylinder | |
630 | * queue, if any, otherwise the first transfer for the first drive | |
631 | * on the second queue. Initiate seeks on remaining drives on the | |
632 | * off-cylinder queue, then move them all to the on-cylinder queue. | |
9d915fad | 633 | */ |
7bae1a62 SL |
634 | vdstart(vm) |
635 | register struct vba_ctlr *vm; | |
9d915fad | 636 | { |
9d915fad | 637 | register struct buf *bp; |
7bae1a62 SL |
638 | register struct vba_device *vi; |
639 | register struct vdsoftc *vd; | |
640 | register struct dksoftc *dk; | |
641 | register struct disklabel *lp; | |
7bae1a62 | 642 | register struct dcb **dcbp; |
7bae1a62 SL |
643 | struct buf *dp; |
644 | int sn, tn; | |
645 | ||
646 | loop: | |
647 | /* | |
648 | * Pull a request off the controller queue. | |
649 | */ | |
2bb994d6 MK |
650 | if ((dp = vm->um_tab.b_actf) == NULL && |
651 | (dp = vm->um_tab.b_seekf) == NULL) | |
7bae1a62 SL |
652 | return; |
653 | if ((bp = dp->b_actf) == NULL) { | |
1f9a1539 MK |
654 | if (dp == vm->um_tab.b_actf) |
655 | vm->um_tab.b_actf = dp->b_forw; | |
656 | else | |
657 | vm->um_tab.b_seekf = dp->b_forw; | |
7bae1a62 SL |
658 | goto loop; |
659 | } | |
9d915fad | 660 | |
210a9f40 | 661 | /* |
7bae1a62 SL |
662 | * Mark controller busy, and determine |
663 | * destination of this request. | |
210a9f40 | 664 | */ |
7bae1a62 SL |
665 | vm->um_tab.b_active++; |
666 | vi = vddinfo[vdunit(bp->b_dev)]; | |
667 | dk = &dksoftc[vi->ui_unit]; | |
d99b7c9d MK |
668 | #ifndef SECSIZE |
669 | sn = bp->b_blkno << dk->dk_bshift; | |
670 | #else SECSIZE | |
4f42a6a1 | 671 | sn = bp->b_blkno; |
d99b7c9d | 672 | #endif SECSIZE |
7bae1a62 SL |
673 | lp = &dklabel[vi->ui_unit]; |
674 | sn %= lp->d_secpercyl; | |
675 | tn = sn / lp->d_nsectors; | |
676 | sn %= lp->d_nsectors; | |
210a9f40 | 677 | |
7bae1a62 SL |
678 | /* |
679 | * Construct dcb for read/write command. | |
680 | */ | |
681 | vd = &vdsoftc[vm->um_ctlr]; | |
7bae1a62 | 682 | vd->vd_dcb.intflg = DCBINT_DONE; |
f9e93bbe | 683 | vd->vd_dcb.devselect = dk->dk_dcb.devselect; |
7bae1a62 SL |
684 | vd->vd_dcb.operrsta = 0; |
685 | vd->vd_dcb.nxtdcb = (struct dcb *)0; /* end of chain */ | |
7bae1a62 SL |
686 | vd->vd_dcb.trail.rwtrail.disk.cylinder = bp->b_cylin; |
687 | vd->vd_dcb.trail.rwtrail.disk.track = tn; | |
688 | vd->vd_dcb.trail.rwtrail.disk.sector = sn; | |
2bb994d6 MK |
689 | dk->dk_curcyl = bp->b_cylin; |
690 | bp->b_track = 0; /* init overloaded field */ | |
d99b7c9d | 691 | vd->vd_dcb.trailcnt = sizeof (struct trrw) / sizeof (long); |
81304755 MK |
692 | if (bp->b_flags & B_FORMAT) |
693 | vd->vd_dcb.opcode = dk->dk_op; | |
694 | else if (vd->vd_flags & VD_SCATGATH && | |
695 | ((int)bp->b_un.b_addr & (sizeof(long) - 1)) == 0) | |
d99b7c9d | 696 | vd->vd_dcb.opcode = (bp->b_flags & B_READ)? VDOP_RAS : VDOP_GAW; |
81304755 | 697 | else |
d99b7c9d | 698 | vd->vd_dcb.opcode = (bp->b_flags & B_READ)? VDOP_RD : VDOP_WD; |
81304755 MK |
699 | |
700 | switch (vd->vd_dcb.opcode) { | |
701 | case VDOP_FSECT: | |
261c73f6 | 702 | vd->vd_dcb.trailcnt = sizeof (struct trfmt) / sizeof (long); |
81304755 MK |
703 | vd->vd_dcb.trail.fmtrail.nsectors = bp->b_bcount / |
704 | lp->d_secsize; | |
705 | vd->vd_dcb.trail.fmtrail.hdr = *(dskadr *)&dk->dk_althdr; | |
706 | vd->vd_dcb.trail.rwtrail.disk.cylinder |= dk->dk_fmtflags; | |
707 | goto setupaddr; | |
708 | ||
709 | case VDOP_RDRAW: | |
710 | case VDOP_RD: | |
261c73f6 | 711 | case VDOP_RHDE: |
81304755 MK |
712 | case VDOP_WD: |
713 | vd->vd_dcb.trail.rwtrail.wcount = (bp->b_bcount+1) >> 1; | |
714 | setupaddr: | |
d99b7c9d | 715 | vd->vd_dcb.trail.rwtrail.memadr = |
2149e3ac | 716 | vbasetup(bp, &vd->vd_rbuf, (int)lp->d_secsize); |
81304755 MK |
717 | break; |
718 | ||
719 | case VDOP_RAS: | |
720 | case VDOP_GAW: | |
d44a0516 | 721 | vd->vd_dcb.trailcnt += vd_sgsetup(bp, &vd->vd_rbuf, |
81304755 MK |
722 | &vd->vd_dcb.trail.sgtrail); |
723 | break; | |
d99b7c9d | 724 | } |
2bb994d6 MK |
725 | if (vi->ui_dk >= 0) { |
726 | dk_busy |= 1<<vi->ui_dk; | |
727 | dk_xfer[vi->ui_dk]++; | |
728 | dk_wds[vi->ui_dk] += bp->b_bcount>>6; | |
729 | } | |
9d915fad | 730 | |
7bae1a62 SL |
731 | /* |
732 | * Look for any seeks to be performed on other drives on this | |
733 | * controller. If overlapped seeks exist, insert seek commands | |
734 | * on the controller's command queue before the transfer. | |
735 | */ | |
736 | dcbp = &vd->vd_mdcb.mdcb_head; | |
7bae1a62 | 737 | |
2bb994d6 MK |
738 | if (dp == vm->um_tab.b_seekf) |
739 | dp = dp->b_forw; | |
740 | else | |
741 | dp = vm->um_tab.b_seekf; | |
742 | for (; dp != NULL; dp = dp->b_forw) { | |
743 | if ((bp = dp->b_actf) == NULL) | |
744 | continue; | |
745 | vi = vddinfo[vdunit(bp->b_dev)]; | |
746 | dk = &dksoftc[vi->ui_unit]; | |
7bae1a62 | 747 | dk->dk_curcyl = bp->b_cylin; |
2bb994d6 MK |
748 | if (vi->ui_dk >= 0) |
749 | dk_seek[vi->ui_dk]++; | |
750 | dk->dk_dcb.operrsta = 0; | |
751 | dk->dk_dcb.trail.sktrail.skaddr.cylinder = bp->b_cylin; | |
2bb994d6 | 752 | dk->dk_dcb.trail.sktrail.skaddr.track = bp->b_track; |
2bb994d6 MK |
753 | *dcbp = (struct dcb *)dk->dk_dcbphys; |
754 | dcbp = &dk->dk_dcb.nxtdcb; | |
9d915fad | 755 | } |
7bae1a62 | 756 | *dcbp = (struct dcb *)vd->vd_dcbphys; |
2bb994d6 MK |
757 | if (vm->um_tab.b_actf) |
758 | vm->um_tab.b_actl->b_forw = vm->um_tab.b_seekf; | |
759 | else | |
760 | vm->um_tab.b_actf = vm->um_tab.b_seekf; | |
1f9a1539 MK |
761 | if (vm->um_tab.b_seekf) |
762 | vm->um_tab.b_actl = vm->um_tab.b_seekl; | |
2bb994d6 | 763 | vm->um_tab.b_seekf = 0; |
7bae1a62 SL |
764 | |
765 | /* | |
766 | * Initiate operation. | |
767 | */ | |
7bae1a62 SL |
768 | vd->vd_mdcb.mdcb_status = 0; |
769 | VDGO(vm->um_addr, vd->vd_mdcbphys, vd->vd_type); | |
9d915fad | 770 | } |
210a9f40 | 771 | |
2d1c4664 MK |
772 | /* |
773 | * Wait for controller to finish current operation | |
774 | * so that direct controller accesses can be done. | |
775 | */ | |
776 | vdlock(ctlr) | |
777 | { | |
778 | register struct vba_ctlr *vm = vdminfo[ctlr]; | |
779 | register struct vdsoftc *vd = &vdsoftc[ctlr]; | |
780 | int s; | |
781 | ||
782 | s = spl7(); | |
783 | while (vm->um_tab.b_active || vd->vd_flags & VD_LOCKED) { | |
784 | vd->vd_flags |= VD_WAIT; | |
785 | sleep((caddr_t)vd, PRIBIO); | |
786 | } | |
787 | vd->vd_flags |= VD_LOCKED; | |
788 | splx(s); | |
789 | } | |
790 | ||
791 | /* | |
792 | * Continue normal operations after pausing for | |
793 | * munging the controller directly. | |
794 | */ | |
795 | vdunlock(ctlr) | |
796 | { | |
797 | register struct vba_ctlr *vm = vdminfo[ctlr]; | |
798 | register struct vdsoftc *vd = &vdsoftc[ctlr]; | |
799 | ||
800 | vd->vd_flags &= ~VD_LOCKED; | |
801 | if (vd->vd_flags & VD_WAIT) { | |
802 | vd->vd_flags &= ~VD_WAIT; | |
803 | wakeup((caddr_t)vd); | |
804 | } else if (vm->um_tab.b_actf || vm->um_tab.b_seekf) | |
805 | vdstart(vm); | |
806 | } | |
807 | ||
7bae1a62 | 808 | #define DONTCARE (DCBS_DSE|DCBS_DSL|DCBS_TOP|DCBS_TOM|DCBS_FAIL|DCBS_DONE) |
210a9f40 SL |
809 | /* |
810 | * Handle a disk interrupt. | |
811 | */ | |
9d915fad | 812 | vdintr(ctlr) |
7bae1a62 | 813 | register ctlr; |
210a9f40 | 814 | { |
7bae1a62 SL |
815 | register struct buf *bp, *dp; |
816 | register struct vba_ctlr *vm = vdminfo[ctlr]; | |
817 | register struct vba_device *vi; | |
818 | register struct vdsoftc *vd = &vdsoftc[ctlr]; | |
819 | register status; | |
2149e3ac | 820 | int timedout; |
4f42a6a1 | 821 | struct dksoftc *dk; |
7bae1a62 | 822 | |
7bae1a62 | 823 | if (!vm->um_tab.b_active) { |
9d915fad | 824 | printf("vd%d: stray interrupt\n", ctlr); |
210a9f40 SL |
825 | return; |
826 | } | |
9d915fad | 827 | /* |
7bae1a62 SL |
828 | * Get device and block structures, and a pointer |
829 | * to the vba_device for the drive. | |
9d915fad | 830 | */ |
7bae1a62 SL |
831 | dp = vm->um_tab.b_actf; |
832 | bp = dp->b_actf; | |
833 | vi = vddinfo[vdunit(bp->b_dev)]; | |
2149e3ac | 834 | dk = &dksoftc[vi->ui_unit]; |
2bb994d6 MK |
835 | if (vi->ui_dk >= 0) |
836 | dk_busy &= ~(1<<vi->ui_dk); | |
81304755 | 837 | timedout = (vd->vd_wticks >= VDMAXTIME); |
7bae1a62 SL |
838 | /* |
839 | * Check for and process errors on | |
840 | * either the drive or the controller. | |
841 | */ | |
842 | uncache(&vd->vd_dcb.operrsta); | |
843 | status = vd->vd_dcb.operrsta; | |
81304755 MK |
844 | if (bp->b_flags & B_FORMAT) { |
845 | dk->dk_operrsta = status; | |
846 | uncache(&vd->vd_dcb.err_code); | |
261c73f6 MK |
847 | /* ecodecnt gets err_code + err_wcnt from the same longword */ |
848 | dk->dk_ecodecnt = *(long *)&vd->vd_dcb.err_code; | |
849 | uncache(&vd->vd_dcb.err_trk); | |
850 | /* erraddr gets error trk/sec/cyl from the same longword */ | |
851 | dk->dk_erraddr = *(long *)&vd->vd_dcb.err_trk; | |
852 | } else if (status & VDERR_HARD || timedout) { | |
2149e3ac | 853 | if (vd->vd_type == VDTYPE_SMDE) |
1f9a1539 | 854 | uncache(&vd->vd_dcb.err_code); |
7bae1a62 SL |
855 | if (status & DCBS_WPT) { |
856 | /* | |
857 | * Give up on write locked devices immediately. | |
858 | */ | |
4f42a6a1 | 859 | printf("dk%d: write locked\n", vi->ui_unit); |
7bae1a62 | 860 | bp->b_flags |= B_ERROR; |
81304755 | 861 | } else if (status & VDERR_RETRY || timedout) { |
81304755 | 862 | if (status & VDERR_CTLR || timedout) { |
261c73f6 MK |
863 | vdharderr(timedout ? |
864 | "controller timeout" : "controller err", | |
81304755 MK |
865 | vd, bp, &vd->vd_dcb); |
866 | printf("; resetting controller..."); | |
867 | vdreset_ctlr(vm); | |
868 | } else if (status & VDERR_DRIVE) { | |
869 | vdharderr("drive err", vd, bp, &vd->vd_dcb); | |
870 | printf("; resetting drive..."); | |
7bae1a62 | 871 | if (!vdreset_drive(vi)) |
261c73f6 | 872 | dk->dk_state = CLOSED; |
f9e93bbe | 873 | } else |
261c73f6 | 874 | vdharderr("data err", vd, bp, &vd->vd_dcb); |
7bae1a62 SL |
875 | /* |
876 | * Retry transfer once, unless reset failed. | |
877 | */ | |
261c73f6 MK |
878 | if (!vi->ui_alive || dp->b_errcnt++ >= 1) { |
879 | printf("\n"); | |
7bae1a62 | 880 | goto hard; |
f9e93bbe MK |
881 | } |
882 | ||
261c73f6 | 883 | printf(" retrying\n"); |
7bae1a62 SL |
884 | vm->um_tab.b_active = 0; /* force retry */ |
885 | } else { | |
81304755 | 886 | vdharderr("hard error", vd, bp, &vd->vd_dcb); |
7bae1a62 | 887 | printf("\n"); |
261c73f6 MK |
888 | hard: |
889 | bp->b_flags |= B_ERROR; | |
9d915fad | 890 | } |
7bae1a62 | 891 | } else if (status & DCBS_SOFT) |
2149e3ac | 892 | vdsofterr(bp, &vd->vd_dcb); |
261c73f6 MK |
893 | if (vd->vd_wticks > 3) { |
894 | vd->vd_dcb.err_code = vd->vd_wticks; | |
895 | vdharderr("slow transfer (ecode is sec.)", vd, bp, &vd->vd_dcb); | |
896 | printf("\n"); | |
897 | } | |
81304755 | 898 | vd->vd_wticks = 0; |
7bae1a62 SL |
899 | if (vm->um_tab.b_active) { |
900 | vm->um_tab.b_active = 0; | |
7bae1a62 SL |
901 | vm->um_tab.b_actf = dp->b_forw; |
902 | dp->b_active = 0; | |
903 | dp->b_errcnt = 0; | |
904 | dp->b_actf = bp->av_forw; | |
9d915fad | 905 | bp->b_resid = 0; |
1f9a1539 | 906 | vbadone(bp, &vd->vd_rbuf); |
7bae1a62 SL |
907 | biodone(bp); |
908 | /* | |
909 | * If this unit has more work to do, | |
910 | * then start it up right away. | |
911 | */ | |
912 | if (dp->b_actf) | |
913 | vdustart(vi); | |
2149e3ac | 914 | else if (dk->dk_openpart == 0) |
4f42a6a1 | 915 | wakeup((caddr_t)dk); |
210a9f40 | 916 | } |
9d915fad | 917 | /* |
7bae1a62 SL |
918 | * If there are devices ready to |
919 | * transfer, start the controller. | |
9d915fad | 920 | */ |
2d1c4664 MK |
921 | if (vd->vd_flags & VD_WAIT) { |
922 | vd->vd_flags &= ~VD_WAIT; | |
923 | wakeup((caddr_t)vd); | |
924 | } else if (vm->um_tab.b_actf || vm->um_tab.b_seekf) | |
7bae1a62 | 925 | vdstart(vm); |
210a9f40 SL |
926 | } |
927 | ||
81304755 MK |
928 | vdharderr(what, vd, bp, dcb) |
929 | char *what; | |
930 | struct vdsoftc *vd; | |
931 | register struct buf *bp; | |
932 | register struct dcb *dcb; | |
933 | { | |
934 | int unit = vdunit(bp->b_dev), status = dcb->operrsta; | |
81304755 | 935 | register struct disklabel *lp = &dklabel[unit]; |
2149e3ac | 936 | int blkdone; |
81304755 MK |
937 | |
938 | if (vd->vd_wticks < VDMAXTIME) | |
939 | status &= ~DONTCARE; | |
a3074845 MK |
940 | blkdone = ((((dcb->err_cyl & 0xfff) * lp->d_ntracks + dcb->err_trk) * |
941 | lp->d_nsectors + dcb->err_sec - | |
942 | lp->d_partitions[vdpart(bp->b_dev)].p_offset) >> | |
943 | dksoftc[unit].dk_bshift) - bp->b_blkno; | |
2149e3ac MK |
944 | diskerr(bp, "dk", what, LOG_PRINTF, blkdone, lp); |
945 | printf(", status %b", status, VDERRBITS); | |
81304755 MK |
946 | if (vd->vd_type == VDTYPE_SMDE) |
947 | printf(" ecode %x", dcb->err_code); | |
81304755 MK |
948 | } |
949 | ||
2149e3ac | 950 | vdsofterr(bp, dcb) |
9d915fad | 951 | register struct buf *bp; |
7bae1a62 | 952 | register struct dcb *dcb; |
9d915fad | 953 | { |
f9d2ea8f MK |
954 | int unit = vdunit(bp->b_dev); |
955 | struct disklabel *lp = &dklabel[unit]; | |
2149e3ac MK |
956 | int status = dcb->operrsta; |
957 | int blkdone; | |
958 | ||
a3074845 MK |
959 | blkdone = ((((dcb->err_cyl & 0xfff) * lp->d_ntracks + dcb->err_trk) * |
960 | lp->d_nsectors + dcb->err_sec - | |
961 | lp->d_partitions[vdpart(bp->b_dev)].p_offset) >> | |
962 | dksoftc[unit].dk_bshift) - bp->b_blkno; | |
2149e3ac MK |
963 | |
964 | if (status != (DCBS_CCD|DCBS_SOFT|DCBS_ERR|DCBS_DONE)) { | |
965 | diskerr(bp, "dk", "soft error", LOG_WARNING, blkdone, lp); | |
966 | addlog(", status %b ecode %x\n", status, VDERRBITS, | |
81304755 | 967 | dcb->err_code); |
2149e3ac MK |
968 | } else { |
969 | diskerr(bp, "dk", "soft ecc", LOG_WARNING, blkdone, lp); | |
970 | addlog("\n"); | |
971 | } | |
9d915fad | 972 | } |
210a9f40 | 973 | |
7bae1a62 | 974 | vdioctl(dev, cmd, data, flag) |
9d915fad | 975 | dev_t dev; |
7bae1a62 SL |
976 | int cmd; |
977 | caddr_t data; | |
978 | int flag; | |
210a9f40 | 979 | { |
7e9892e0 | 980 | register int unit = vdunit(dev); |
7bae1a62 | 981 | register struct disklabel *lp = &dklabel[unit]; |
60d9b6a0 | 982 | register struct dksoftc *dk = &dksoftc[unit]; |
045442ab | 983 | int error = 0, vdformat(); |
7bae1a62 SL |
984 | |
985 | switch (cmd) { | |
986 | ||
987 | case DIOCGDINFO: | |
988 | *(struct disklabel *)data = *lp; | |
989 | break; | |
990 | ||
4f42a6a1 MK |
991 | case DIOCGPART: |
992 | ((struct partinfo *)data)->disklab = lp; | |
993 | ((struct partinfo *)data)->part = | |
994 | &lp->d_partitions[vdpart(dev)]; | |
7bae1a62 SL |
995 | break; |
996 | ||
997 | case DIOCSDINFO: | |
998 | if ((flag & FWRITE) == 0) | |
999 | error = EBADF; | |
1000 | else | |
7e9892e0 | 1001 | error = setdisklabel(lp, (struct disklabel *)data, |
60d9b6a0 | 1002 | (dk->dk_state == OPENRAW) ? 0 : dk->dk_openpart); |
81304755 MK |
1003 | if (error == 0 && dk->dk_state == OPENRAW && |
1004 | vdreset_drive(vddinfo[unit])) | |
60d9b6a0 MK |
1005 | dk->dk_state = OPEN; |
1006 | break; | |
1007 | ||
1008 | case DIOCWLABEL: | |
1009 | if ((flag & FWRITE) == 0) | |
1010 | error = EBADF; | |
1011 | else | |
1012 | dk->dk_wlabel = *(int *)data; | |
7bae1a62 SL |
1013 | break; |
1014 | ||
7e9892e0 MK |
1015 | case DIOCWDINFO: |
1016 | if ((flag & FWRITE) == 0) | |
7bae1a62 | 1017 | error = EBADF; |
7e9892e0 | 1018 | else if ((error = setdisklabel(lp, (struct disklabel *)data, |
60d9b6a0 | 1019 | (dk->dk_state == OPENRAW) ? 0 : dk->dk_openpart)) == 0) { |
045442ab MK |
1020 | int wlab; |
1021 | ||
07cd2d63 MK |
1022 | if (error == 0 && dk->dk_state == OPENRAW && |
1023 | vdreset_drive(vddinfo[unit])) | |
1024 | dk->dk_state = OPEN; | |
045442ab MK |
1025 | /* simulate opening partition 0 so write succeeds */ |
1026 | dk->dk_openpart |= (1 << 0); /* XXX */ | |
1027 | wlab = dk->dk_wlabel; | |
1028 | dk->dk_wlabel = 1; | |
7e9892e0 | 1029 | error = writedisklabel(dev, vdstrategy, lp); |
045442ab MK |
1030 | dk->dk_openpart = dk->dk_copenpart | dk->dk_bopenpart; |
1031 | dk->dk_wlabel = wlab; | |
60d9b6a0 | 1032 | } |
7bae1a62 | 1033 | break; |
7bae1a62 | 1034 | |
81304755 MK |
1035 | case DIOCWFORMAT: |
1036 | { | |
1037 | register struct format_op *fop; | |
1038 | struct uio auio; | |
1039 | struct iovec aiov; | |
1040 | ||
1041 | if ((flag & FWRITE) == 0) { | |
1042 | error = EBADF; | |
1043 | break; | |
1044 | } | |
1045 | fop = (struct format_op *)data; | |
1046 | aiov.iov_base = fop->df_buf; | |
1047 | aiov.iov_len = fop->df_count; | |
1048 | auio.uio_iov = &aiov; | |
1049 | auio.uio_iovcnt = 1; | |
1050 | auio.uio_resid = fop->df_count; | |
1051 | auio.uio_segflg = UIO_USERSPACE; | |
1052 | auio.uio_offset = fop->df_startblk * lp->d_secsize; | |
261c73f6 MK |
1053 | /* This assumes one active format operation per disk... */ |
1054 | dk->dk_op = fop->dk_op; | |
1055 | dk->dk_althdr = fop->dk_althdr; | |
1056 | dk->dk_fmtflags = fop->dk_fmtflags; | |
81304755 MK |
1057 | /* |
1058 | * Don't return errors, as the format op won't get copied | |
1059 | * out if we return nonzero. Callers must check the returned | |
261c73f6 | 1060 | * registers and count. |
81304755 | 1061 | */ |
261c73f6 MK |
1062 | error = physio(vdformat, (struct buf *)NULL, dev, |
1063 | B_WRITE, minphys, &auio); | |
1064 | if (error == EIO) | |
1065 | error = 0; | |
81304755 | 1066 | fop->df_count -= auio.uio_resid; |
261c73f6 | 1067 | /* This assumes one active format operation per disk... */ |
81304755 | 1068 | fop->dk_operrsta = dk->dk_operrsta; |
261c73f6 MK |
1069 | fop->dk_ecodecnt = dk->dk_ecodecnt; |
1070 | fop->dk_erraddr = dk->dk_erraddr; | |
81304755 MK |
1071 | break; |
1072 | } | |
1073 | ||
7bae1a62 SL |
1074 | default: |
1075 | error = ENOTTY; | |
1076 | break; | |
210a9f40 | 1077 | } |
2322c6bc | 1078 | return (error); |
210a9f40 SL |
1079 | } |
1080 | ||
81304755 MK |
1081 | vdformat(bp) |
1082 | struct buf *bp; | |
1083 | { | |
1084 | bp->b_flags |= B_FORMAT; | |
1085 | vdstrategy(bp); | |
1086 | } | |
1087 | ||
9d915fad | 1088 | /* |
7bae1a62 | 1089 | * Watch for lost interrupts. |
9d915fad | 1090 | */ |
7bae1a62 | 1091 | vdwatch() |
210a9f40 | 1092 | { |
7bae1a62 SL |
1093 | register struct vdsoftc *vd; |
1094 | register struct vba_ctlr *vm; | |
2149e3ac | 1095 | register int ctlr; |
81304755 | 1096 | int s; |
7bae1a62 SL |
1097 | |
1098 | timeout(vdwatch, (caddr_t)0, hz); | |
1099 | for (ctlr = 0; ctlr < NVD; ctlr++) { | |
1100 | vm = vdminfo[ctlr]; | |
1101 | if (vm == 0 || vm->um_alive == 0) | |
1102 | continue; | |
1103 | vd = &vdsoftc[ctlr]; | |
81304755 MK |
1104 | s = spl7(); |
1105 | if (vm->um_tab.b_active && vd->vd_wticks++ >= VDMAXTIME) { | |
7bae1a62 | 1106 | printf("vd%d: lost interrupt\n", ctlr); |
81304755 MK |
1107 | #ifdef maybe |
1108 | VDABORT((struct vddevice *)vm->um_addr, vd->vd_type); | |
1109 | #endif | |
1110 | vdintr(ctlr); | |
7bae1a62 | 1111 | } |
81304755 | 1112 | splx(s); |
9d915fad | 1113 | } |
7bae1a62 SL |
1114 | } |
1115 | ||
1116 | #define DBSIZE 64 /* controller limit with 1K sectors */ | |
1117 | /* | |
1118 | * Crash dump. | |
1119 | */ | |
1120 | vddump(dev) | |
1121 | dev_t dev; | |
1122 | { | |
1123 | register struct vba_device *vi; | |
1124 | register struct vba_ctlr *vm; | |
1125 | register struct disklabel *lp; | |
1126 | register struct vdsoftc *vd; | |
1127 | struct dksoftc *dk; | |
1128 | int part, unit, num; | |
1f9a1539 | 1129 | u_long start; |
7bae1a62 SL |
1130 | |
1131 | start = 0; | |
1132 | unit = vdunit(dev); | |
1133 | if (unit > NDK || (vi = vddinfo[unit]) == 0 || vi->ui_alive == 0) | |
1134 | return (ENXIO); | |
1135 | dk = &dksoftc[unit]; | |
60d9b6a0 MK |
1136 | if (dk->dk_state != OPEN && dk->dk_state != OPENRAW && |
1137 | vdinit(vdminor(unit, 0), 0) != 0) | |
7bae1a62 SL |
1138 | return (ENXIO); |
1139 | lp = &dklabel[unit]; | |
1140 | part = vdpart(dev); | |
1141 | if (part >= lp->d_npartitions) | |
1142 | return (ENXIO); | |
f9e93bbe | 1143 | vm = vi->ui_mi; |
7bae1a62 SL |
1144 | vdreset_ctlr(vm); |
1145 | if (dumplo < 0) | |
1146 | return (EINVAL); | |
1147 | /* | |
d99b7c9d | 1148 | * Maxfree is in pages, dumplo is in DEV_BSIZE units. |
7bae1a62 SL |
1149 | */ |
1150 | num = maxfree * (NBPG / lp->d_secsize); | |
d99b7c9d | 1151 | dumplo *= DEV_BSIZE / lp->d_secsize; |
7bae1a62 SL |
1152 | if (dumplo + num >= lp->d_partitions[vdpart(dev)].p_size) |
1153 | num = lp->d_partitions[vdpart(dev)].p_size - dumplo; | |
1154 | vd = &vdsoftc[vm->um_ctlr]; | |
1155 | vd->vd_dcb.intflg = DCBINT_NONE; | |
1156 | vd->vd_dcb.opcode = VDOP_WD; | |
f9e93bbe | 1157 | vd->vd_dcb.devselect = dk->dk_dcb.devselect; |
d99b7c9d | 1158 | vd->vd_dcb.trailcnt = sizeof (struct trrw) / sizeof (long); |
7bae1a62 SL |
1159 | while (num > 0) { |
1160 | int nsec, cn, sn, tn; | |
1161 | ||
1162 | nsec = MIN(num, DBSIZE); | |
1f9a1539 | 1163 | sn = dumplo + start / lp->d_secsize; |
7bae1a62 SL |
1164 | cn = (sn + lp->d_partitions[vdpart(dev)].p_offset) / |
1165 | lp->d_secpercyl; | |
1166 | sn %= lp->d_secpercyl; | |
1167 | tn = sn / lp->d_nsectors; | |
1168 | sn %= lp->d_nsectors; | |
1169 | vd->vd_mdcb.mdcb_head = (struct dcb *)vd->vd_dcbphys; | |
1170 | vd->vd_dcb.trail.rwtrail.memadr = start; | |
1171 | vd->vd_dcb.trail.rwtrail.wcount = (nsec * lp->d_secsize) >> 1; | |
1172 | vd->vd_dcb.trail.rwtrail.disk.cylinder = cn; | |
1173 | vd->vd_dcb.trail.rwtrail.disk.track = tn; | |
1174 | vd->vd_dcb.trail.rwtrail.disk.sector = sn; | |
1175 | vd->vd_dcb.operrsta = 0; | |
1176 | VDGO(vm->um_addr, vd->vd_mdcbphys, vd->vd_type); | |
1177 | if (!vdpoll(vm, 5)) { | |
1178 | printf(" during dump\n"); | |
1179 | return (EIO); | |
1180 | } | |
1181 | if (vd->vd_dcb.operrsta & VDERR_HARD) { | |
1182 | printf("dk%d: hard error, status=%b\n", unit, | |
1183 | vd->vd_dcb.operrsta, VDERRBITS); | |
1184 | return (EIO); | |
1185 | } | |
1186 | start += nsec * lp->d_secsize; | |
1187 | num -= nsec; | |
9d915fad | 1188 | } |
7bae1a62 | 1189 | return (0); |
210a9f40 SL |
1190 | } |
1191 | ||
1192 | vdsize(dev) | |
9d915fad | 1193 | dev_t dev; |
210a9f40 | 1194 | { |
7bae1a62 SL |
1195 | register int unit = vdunit(dev); |
1196 | register struct dksoftc *dk; | |
1197 | struct vba_device *vi; | |
1198 | struct disklabel *lp; | |
210a9f40 | 1199 | |
7bae1a62 SL |
1200 | if (unit >= NDK || (vi = vddinfo[unit]) == 0 || vi->ui_alive == 0 || |
1201 | (dk = &dksoftc[unit])->dk_state != OPEN) | |
9d915fad | 1202 | return (-1); |
7bae1a62 | 1203 | lp = &dklabel[unit]; |
d99b7c9d | 1204 | #ifdef SECSIZE |
4f42a6a1 | 1205 | return ((int)lp->d_partitions[vdpart(dev)].p_size); |
d99b7c9d MK |
1206 | #else SECSIZE |
1207 | return ((int)lp->d_partitions[vdpart(dev)].p_size >> dk->dk_bshift); | |
1208 | #endif SECSIZE | |
210a9f40 SL |
1209 | } |
1210 | ||
9d915fad | 1211 | /* |
261c73f6 | 1212 | * Initialize controller. |
9d915fad | 1213 | */ |
261c73f6 MK |
1214 | vdinit_ctlr(vm, vd) |
1215 | struct vba_ctlr *vm; | |
1216 | struct vdsoftc *vd; | |
210a9f40 | 1217 | { |
7bae1a62 | 1218 | register struct vddevice *vdaddr = (struct vddevice *)vm->um_addr; |
261c73f6 | 1219 | |
7bae1a62 SL |
1220 | if (vd->vd_type == VDTYPE_SMDE) { |
1221 | vdaddr->vdcsr = 0; | |
1222 | vdaddr->vdtcf_mdcb = AM_ENPDA; | |
1223 | vdaddr->vdtcf_dcb = AM_ENPDA; | |
1224 | vdaddr->vdtcf_trail = AM_ENPDA; | |
1225 | vdaddr->vdtcf_data = AM_ENPDA; | |
261c73f6 MK |
1226 | vdaddr->vdccf = CCF_SEN | CCF_DIU | CCF_STS | CCF_RFE | |
1227 | XMD_32BIT | BSZ_16WRD | | |
9d915fad SL |
1228 | CCF_ENP | CCF_EPE | CCF_EDE | CCF_ECE | CCF_ERR; |
1229 | } | |
07cd2d63 | 1230 | if (!vdcmd(vm, VDOP_INIT, 10, 0) || !vdcmd(vm, VDOP_DIAG, 10, 0)) { |
261c73f6 | 1231 | printf("vd%d: %s cmd failed\n", vm->um_ctlr, |
7bae1a62 | 1232 | vd->vd_dcb.opcode == VDOP_INIT ? "init" : "diag"); |
261c73f6 | 1233 | return (0); |
9d915fad | 1234 | } |
261c73f6 MK |
1235 | vd->vd_secsize = vdaddr->vdsecsize << 1; |
1236 | return (1); | |
1237 | } | |
1238 | ||
1239 | /* | |
1240 | * Perform a controller reset. | |
1241 | */ | |
1242 | vdreset_ctlr(vm) | |
1243 | register struct vba_ctlr *vm; | |
1244 | { | |
1245 | register struct vddevice *vdaddr = (struct vddevice *)vm->um_addr; | |
1246 | register struct vdsoftc *vd = &vdsoftc[vm->um_ctlr]; | |
1247 | register int unit; | |
1248 | struct vba_device *vi; | |
1249 | ||
1250 | VDRESET(vdaddr, vd->vd_type); | |
1251 | if (vdinit_ctlr(vm, vd) == 0) | |
1252 | return; | |
7bae1a62 SL |
1253 | for (unit = 0; unit < NDK; unit++) |
1254 | if ((vi = vddinfo[unit])->ui_mi == vm && vi->ui_alive) | |
1255 | (void) vdreset_drive(vi); | |
1256 | } | |
1257 | ||
1258 | vdreset_drive(vi) | |
1259 | register struct vba_device *vi; | |
1260 | { | |
1261 | register struct disklabel *lp = &dklabel[vi->ui_unit]; | |
1262 | struct vba_ctlr *vm = vdminfo[vi->ui_ctlr]; | |
1263 | struct vddevice *vdaddr = (struct vddevice *)vm->um_addr; | |
f9e93bbe MK |
1264 | register struct vdsoftc *vd = &vdsoftc[vi->ui_ctlr]; |
1265 | register struct dksoftc *dk = &dksoftc[vi->ui_unit]; | |
261c73f6 | 1266 | int config_status, config_ecode, saw_drive = 0; |
7bae1a62 | 1267 | |
261c73f6 MK |
1268 | #ifdef notdef |
1269 | /* | |
1270 | * check for ESDI distribution panel already configured, | |
1271 | * e.g. on boot drive, or if PROBE on controller actually | |
1272 | * worked. Status will be zero if drive hasn't | |
1273 | * been probed yet. | |
1274 | */ | |
1275 | #if STA_ESDI != 0 | |
1276 | if ((vdaddr->vdstatus[vi->ui_slave] & STA_TYPE) == STA_ESDI) | |
1277 | lp->d_devflags |= VD_ESDI; | |
1278 | #endif | |
1279 | #endif | |
7bae1a62 SL |
1280 | top: |
1281 | vd->vd_dcb.opcode = VDOP_CONFIG; /* command */ | |
1282 | vd->vd_dcb.intflg = DCBINT_NONE; | |
1283 | vd->vd_dcb.nxtdcb = (struct dcb *)0; /* end of chain */ | |
1284 | vd->vd_dcb.operrsta = 0; | |
f9e93bbe | 1285 | vd->vd_dcb.devselect = vi->ui_slave | lp->d_devflags; |
7bae1a62 SL |
1286 | vd->vd_dcb.trail.rstrail.ncyl = lp->d_ncylinders; |
1287 | vd->vd_dcb.trail.rstrail.nsurfaces = lp->d_ntracks; | |
1288 | if (vd->vd_type == VDTYPE_SMDE) { | |
d99b7c9d | 1289 | vd->vd_dcb.trailcnt = sizeof (struct treset) / sizeof (long); |
7bae1a62 | 1290 | vd->vd_dcb.trail.rstrail.nsectors = lp->d_nsectors; |
1f9a1539 | 1291 | vd->vd_dcb.trail.rstrail.slip_sec = lp->d_sparespertrack; |
261c73f6 MK |
1292 | vd->vd_dcb.trail.rstrail.recovery = |
1293 | (lp->d_flags & D_REMOVABLE) ? VDRF_NORMAL : | |
1294 | (VDRF_NORMAL &~ (VDRF_OSP|VDRF_OSM)); | |
7bae1a62 SL |
1295 | } else |
1296 | vd->vd_dcb.trailcnt = 2; /* XXX */ | |
1297 | vd->vd_mdcb.mdcb_head = (struct dcb *)vd->vd_dcbphys; | |
1298 | vd->vd_mdcb.mdcb_status = 0; | |
1299 | VDGO(vdaddr, vd->vd_mdcbphys, vd->vd_type); | |
1300 | if (!vdpoll(vm, 5)) { | |
1301 | printf(" during config\n"); | |
1302 | return (0); | |
9d915fad | 1303 | } |
261c73f6 MK |
1304 | config_status = vd->vd_dcb.operrsta; |
1305 | config_ecode = (u_char)vd->vd_dcb.err_code; | |
1306 | if (config_status & VDERR_HARD) { | |
f9e93bbe | 1307 | if (vd->vd_type == VDTYPE_SMDE) { |
261c73f6 MK |
1308 | /* |
1309 | * If drive status was updated successfully, | |
1310 | * STA_US (unit selected) should be set | |
1311 | * if the drive is attached and powered up. | |
1312 | * (But only if we've guessed right on SMD | |
1313 | * vs. ESDI; if that flag is wrong, we won't | |
1314 | * see the drive.) If we don't see STA_US | |
1315 | * with either SMD or ESDI set for the unit, | |
1316 | * we assume that the drive doesn't exist, | |
1317 | * and don't wait for it to spin up. | |
1318 | */ | |
1319 | (void) vdcmd(vm, VDOP_STATUS, 5, vi->ui_slave); | |
1320 | uncache(&vdaddr->vdstatus[vi->ui_slave]); | |
1321 | if (vdaddr->vdstatus[vi->ui_slave] & STA_US) | |
1322 | saw_drive = 1; | |
1323 | else if (lp->d_devflags == 0) { | |
f9e93bbe MK |
1324 | lp->d_devflags = VD_ESDI; |
1325 | goto top; | |
1326 | } | |
261c73f6 MK |
1327 | } else |
1328 | saw_drive = 1; | |
1329 | if ((config_status & (DCBS_OCYL|DCBS_NRDY)) == 0) | |
f9e93bbe | 1330 | printf("dk%d: config error %b ecode %x\n", vi->ui_unit, |
261c73f6 MK |
1331 | config_status, VDERRBITS, config_ecode); |
1332 | else if ((vd->vd_flags & VD_STARTED) == 0 && saw_drive) { | |
7bae1a62 SL |
1333 | int started; |
1334 | ||
f9e93bbe | 1335 | printf(" starting drives, wait ... "); |
7bae1a62 SL |
1336 | vd->vd_flags |= VD_STARTED; |
1337 | started = (vdcmd(vm, VDOP_START, 10) == 1); | |
1338 | DELAY(62000000); | |
07cd2d63 | 1339 | printf("done\n"); |
f9e93bbe | 1340 | lp->d_devflags = 0; |
7bae1a62 SL |
1341 | if (started) |
1342 | goto top; | |
1343 | } | |
1344 | return (0); | |
1345 | } | |
f9e93bbe | 1346 | dk->dk_dcb.devselect |= lp->d_devflags; |
7bae1a62 | 1347 | return (1); |
9d915fad | 1348 | } |
210a9f40 | 1349 | |
9d915fad | 1350 | /* |
7bae1a62 | 1351 | * Perform a command w/o trailer. |
9d915fad | 1352 | */ |
07cd2d63 | 1353 | vdcmd(vm, cmd, t, slave) |
7bae1a62 | 1354 | register struct vba_ctlr *vm; |
9d915fad | 1355 | { |
7bae1a62 SL |
1356 | register struct vdsoftc *vd = &vdsoftc[vm->um_ctlr]; |
1357 | ||
1358 | vd->vd_dcb.opcode = cmd; /* command */ | |
1359 | vd->vd_dcb.intflg = DCBINT_NONE; | |
1360 | vd->vd_dcb.nxtdcb = (struct dcb *)0; /* end of chain */ | |
1361 | vd->vd_dcb.operrsta = 0; | |
07cd2d63 | 1362 | vd->vd_dcb.devselect = slave; |
7bae1a62 SL |
1363 | vd->vd_dcb.trailcnt = 0; |
1364 | vd->vd_mdcb.mdcb_head = (struct dcb *)vd->vd_dcbphys; | |
1365 | vd->vd_mdcb.mdcb_status = 0; | |
1366 | VDGO(vm->um_addr, vd->vd_mdcbphys, vd->vd_type); | |
1367 | if (!vdpoll(vm, t)) { | |
1368 | printf(" during init\n"); | |
82bc5dc5 MK |
1369 | return (0); |
1370 | } | |
7bae1a62 | 1371 | return ((vd->vd_dcb.operrsta&VDERR_HARD) == 0); |
9d915fad SL |
1372 | } |
1373 | ||
7c4f3479 | 1374 | /* |
7bae1a62 SL |
1375 | * Poll controller until operation |
1376 | * completes or timeout expires. | |
7c4f3479 | 1377 | */ |
7bae1a62 SL |
1378 | vdpoll(vm, t) |
1379 | register struct vba_ctlr *vm; | |
7c4f3479 SL |
1380 | register int t; |
1381 | { | |
7bae1a62 SL |
1382 | register struct vdsoftc *vd = &vdsoftc[vm->um_ctlr]; |
1383 | register struct vddevice *vdaddr = (struct vddevice *)vm->um_addr; | |
7c4f3479 SL |
1384 | |
1385 | t *= 1000; | |
82bc5dc5 | 1386 | for (;;) { |
7bae1a62 SL |
1387 | uncache(&vd->vd_dcb.operrsta); |
1388 | if (vd->vd_dcb.operrsta & (DCBS_DONE|DCBS_ABORT)) | |
82bc5dc5 | 1389 | break; |
7c4f3479 | 1390 | if (--t <= 0) { |
7bae1a62 SL |
1391 | printf("vd%d: controller timeout", vm->um_ctlr); |
1392 | VDABORT(vdaddr, vd->vd_type); | |
7c4f3479 SL |
1393 | return (0); |
1394 | } | |
82bc5dc5 | 1395 | DELAY(1000); |
7c4f3479 | 1396 | } |
7bae1a62 SL |
1397 | if (vd->vd_type == VDTYPE_SMDE) { |
1398 | do { | |
82bc5dc5 | 1399 | DELAY(50); |
7bae1a62 SL |
1400 | uncache(&vdaddr->vdcsr); |
1401 | } while (vdaddr->vdcsr & CS_GO); | |
f9e93bbe MK |
1402 | DELAY(300); |
1403 | uncache(&vd->vd_dcb.err_code); | |
7c4f3479 SL |
1404 | } |
1405 | DELAY(200); | |
7bae1a62 | 1406 | uncache(&vd->vd_dcb.operrsta); |
7c4f3479 SL |
1407 | return (1); |
1408 | } | |
1409 | ||
7bae1a62 SL |
1410 | #ifdef COMPAT_42 |
1411 | struct vdst { | |
1412 | int nsec; /* sectors/track */ | |
1413 | int ntrack; /* tracks/cylinder */ | |
1414 | int ncyl; /* cylinders */ | |
f9e93bbe | 1415 | int secsize; /* sector size */ |
7bae1a62 SL |
1416 | char *name; /* type name */ |
1417 | struct { | |
1418 | int off; /* partition offset in sectors */ | |
1419 | int size; /* partition size in sectors */ | |
4f42a6a1 | 1420 | } parts[8]; |
7bae1a62 | 1421 | } vdst[] = { |
f9e93bbe MK |
1422 | { 66, 23, 850, 512, "NEC 800", |
1423 | {0, 1290300}, /* a cyl 0 - 849 */ | |
1424 | }, | |
ef960e6f KB |
1425 | { 64, 20, 842, 512, "2361a", |
1426 | {0, 61440}, /* a cyl 0 - 47 */ | |
1427 | {61440, 67840}, /* b cyl 48 - 100 */ | |
1428 | {129280, 942080}, /* c cyl 101 - 836 */ | |
1429 | {0, 1071360}, /* d cyl 0 - 836 */ | |
1430 | {449280, 311040}, /* e cyl 351 - 593 */ | |
1431 | {760320, 311040}, /* f cyl 594 - 836 */ | |
1432 | {449280, 622080}, /* g cyl 351 - 836 */ | |
1433 | {129280, 320000} /* h cyl 101 - 350 */ | |
1434 | }, | |
f9e93bbe | 1435 | { 48, 24, 711, 512, "xsd", |
451160eb MK |
1436 | {0, 61056}, /* a cyl 0 - 52 */ |
1437 | {61056, 61056}, /* b cyl 53 - 105 */ | |
1438 | {122112, 691200}, /* c cyl 106 - 705 */ | |
1439 | {237312, 576000}, /* d cyl 206 - 705 */ | |
1440 | {352512, 460800}, /* e cyl 306 - 705 */ | |
1441 | {467712, 345600}, /* f cyl 406 - 705 */ | |
1442 | {582912, 230400}, /* g cyl 506 - 705 */ | |
1443 | {698112, 115200} /* h cyl 606 - 705 */ | |
4f42a6a1 | 1444 | }, |
f9e93bbe | 1445 | { 44, 20, 842, 512, "eagle", |
1f9a1539 MK |
1446 | {0, 52800}, /* egl0a cyl 0 - 59 */ |
1447 | {52800, 66000}, /* egl0b cyl 60 - 134 */ | |
1448 | {118800, 617760}, /* egl0c cyl 135 - 836 */ | |
d99b7c9d | 1449 | {736560, 4400}, /* egl0d cyl 837 - 841 */ |
451160eb MK |
1450 | {0, 736560}, /* egl0e cyl 0 - 836 */ |
1451 | {0, 740960}, /* egl0f cyl 0 - 841 */ | |
1f9a1539 MK |
1452 | {118800, 310640}, /* egl0g cyl 135 - 487 */ |
1453 | {429440, 307120} /* egl0h cyl 488 - 836 */ | |
4f42a6a1 | 1454 | }, |
f9e93bbe | 1455 | { 64, 10, 823, 512, "fuj", |
451160eb MK |
1456 | {0, 38400}, /* fuj0a cyl 0 - 59 */ |
1457 | {38400, 48000}, /* fuj0b cyl 60 - 134 */ | |
1458 | {86400, 437120}, /* fuj0c cyl 135 - 817 */ | |
1459 | {159360, 364160}, /* fuj0d cyl 249 - 817 */ | |
1460 | {232320, 291200}, /* fuj0e cyl 363 - 817 */ | |
1461 | {305280, 218240}, /* fuj0f cyl 477 - 817 */ | |
1462 | {378240, 145280}, /* fuj0g cyl 591 - 817 */ | |
1463 | {451200, 72320} /* fug0h cyl 705 - 817 */ | |
4f42a6a1 | 1464 | }, |
f9e93bbe | 1465 | { 32, 24, 711, 512, "xfd", |
d99b7c9d MK |
1466 | { 0, 40704 }, /* a cyl 0 - 52 */ |
1467 | { 40704, 40704 }, /* b cyl 53 - 105 */ | |
1468 | { 81408, 460800 }, /* c cyl 106 - 705 */ | |
1469 | { 0, 81408 }, /* d cyl 709 - 710 (a & b) */ | |
1470 | { 0, 542208 }, /* e cyl 0 - 705 */ | |
1471 | { 40704, 501504 }, /* f cyl 53 - 705 (b & c) */ | |
1472 | { 81408, 230400 }, /* g cyl 106 - 405 (1/2 of c) */ | |
1473 | { 311808,230400 } /* h cyl 406 - 705 (1/2 of c) */ | |
4f42a6a1 | 1474 | }, |
f9e93bbe | 1475 | { 32, 19, 823, 512, "smd", |
451160eb MK |
1476 | {0, 40128}, /* a cyl 0-65 */ |
1477 | {40128, 27360}, /* b cyl 66-110 */ | |
1478 | {67488, 429856}, /* c cyl 111-817 */ | |
1479 | {139232, 358112}, /* d cyl 229 - 817 */ | |
1480 | {210976, 286368}, /* e cyl 347 - 817 */ | |
1481 | {282720, 214624}, /* f cyl 465 - 817 */ | |
1482 | {354464, 142880}, /* g cyl 583 - 817 */ | |
1483 | {426208, 71136} /* h cyl 701 - 817 */ | |
4f42a6a1 | 1484 | }, |
f9e93bbe MK |
1485 | { 18, 15, 1224, 1024, "mxd", |
1486 | {0, 21600}, /* a cyl 0-79 */ | |
1487 | {21600, 22410}, /* b cyl 80-162 */ | |
1488 | {44010, 285120}, /* c cyl 163-1217 */ | |
1489 | #ifdef notyet | |
1490 | {x, 237600}, /* d cyl y - 1217 */ | |
1491 | {x, 190080}, /* e cyl y - 1217 */ | |
1492 | {x, 142560}, /* f cyl y - 1217 */ | |
1493 | {x, 95040}, /* g cyl y - 1217 */ | |
1494 | {x, 47520} /* h cyl 701 - 817 */ | |
1495 | #endif | |
1496 | }, | |
1497 | { 32, 10, 823, 512, "fsd", | |
d99b7c9d MK |
1498 | {0, 19200}, /* a cyl 0 - 59 */ |
1499 | {19200, 24000}, /* b cyl 60 - 134 */ | |
1500 | {43200, 218560}, /* c cyl 135 - 817 */ | |
4f42a6a1 | 1501 | } |
7bae1a62 SL |
1502 | }; |
1503 | #define NVDST (sizeof (vdst) / sizeof (vdst[0])) | |
1504 | ||
9d915fad | 1505 | /* |
7bae1a62 SL |
1506 | * Construct a label for an unlabeled pack. We |
1507 | * deduce the drive type by reading from the last | |
1508 | * track on successively smaller drives until we | |
1509 | * don't get an error. | |
9d915fad | 1510 | */ |
7bae1a62 SL |
1511 | vdmaptype(vi, lp) |
1512 | register struct vba_device *vi; | |
1513 | register struct disklabel *lp; | |
9d915fad | 1514 | { |
7bae1a62 SL |
1515 | register struct vdsoftc *vd; |
1516 | register struct vdst *p; | |
f9e93bbe | 1517 | struct vba_ctlr *vm = vi->ui_mi; |
7bae1a62 | 1518 | int i; |
9d915fad | 1519 | |
7bae1a62 SL |
1520 | vd = &vdsoftc[vi->ui_ctlr]; |
1521 | for (p = vdst; p < &vdst[NVDST]; p++) { | |
1522 | if (vd->vd_type == VDTYPE_VDDC && p->nsec != 32) | |
1523 | continue; | |
1524 | lp->d_nsectors = p->nsec; | |
1525 | lp->d_ntracks = p->ntrack; | |
1526 | lp->d_ncylinders = p->ncyl; | |
f9e93bbe | 1527 | lp->d_secsize = p->secsize; |
07cd2d63 | 1528 | DELAY(100000); |
7bae1a62 SL |
1529 | if (!vdreset_drive(vi)) |
1530 | return (0); | |
07cd2d63 | 1531 | DELAY(100000); |
7bae1a62 SL |
1532 | vd->vd_dcb.opcode = VDOP_RD; |
1533 | vd->vd_dcb.intflg = DCBINT_NONE; | |
1534 | vd->vd_dcb.nxtdcb = (struct dcb *)0; /* end of chain */ | |
f9e93bbe | 1535 | vd->vd_dcb.devselect = dksoftc[vi->ui_unit].dk_dcb.devselect; |
d99b7c9d | 1536 | vd->vd_dcb.trailcnt = sizeof (struct trrw) / sizeof (long); |
1f9a1539 MK |
1537 | vd->vd_dcb.trail.rwtrail.memadr = |
1538 | vtoph((struct proc *)0, (unsigned)vd->vd_rbuf.vb_rawbuf); | |
f9e93bbe | 1539 | vd->vd_dcb.trail.rwtrail.wcount = lp->d_secsize / sizeof(short); |
7bae1a62 SL |
1540 | vd->vd_dcb.operrsta = 0; |
1541 | vd->vd_dcb.trail.rwtrail.disk.cylinder = p->ncyl - 2; | |
1542 | vd->vd_dcb.trail.rwtrail.disk.track = p->ntrack - 1; | |
1543 | vd->vd_dcb.trail.rwtrail.disk.sector = p->nsec - 1; | |
1544 | vd->vd_mdcb.mdcb_head = (struct dcb *)vd->vd_dcbphys; | |
1545 | vd->vd_mdcb.mdcb_status = 0; | |
1546 | VDGO(vm->um_addr, vd->vd_mdcbphys, vd->vd_type); | |
1547 | if (!vdpoll(vm, 60)) | |
1548 | printf(" during probe\n"); | |
1549 | if ((vd->vd_dcb.operrsta & VDERR_HARD) == 0) | |
1550 | break; | |
210a9f40 | 1551 | } |
f9e93bbe | 1552 | if (p >= &vdst[NVDST]) |
7bae1a62 | 1553 | return (0); |
f9e93bbe | 1554 | |
4f42a6a1 | 1555 | for (i = 0; i < 8; i++) { |
7bae1a62 SL |
1556 | lp->d_partitions[i].p_offset = p->parts[i].off; |
1557 | lp->d_partitions[i].p_size = p->parts[i].size; | |
1558 | } | |
4f42a6a1 | 1559 | lp->d_npartitions = 8; |
7bae1a62 | 1560 | lp->d_secpercyl = lp->d_nsectors * lp->d_ntracks; |
7bae1a62 SL |
1561 | bcopy(p->name, lp->d_typename, 4); |
1562 | return (1); | |
210a9f40 | 1563 | } |
7bae1a62 | 1564 | #endif COMPAT_42 |
9d915fad | 1565 | #endif |