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1.1 ! root 1: /* ! 2: * Copyright (c) 1988 Regents of the University of California. ! 3: * All rights reserved. ! 4: * ! 5: * This code is derived from software contributed to Berkeley by ! 6: * Chris Torek. ! 7: * ! 8: * Redistribution and use in source and binary forms are permitted ! 9: * provided that the above copyright notice and this paragraph are ! 10: * duplicated in all such forms and that any documentation, ! 11: * advertising materials, and other materials related to such ! 12: * distribution and use acknowledge that the software was developed ! 13: * by the University of California, Berkeley. The name of the ! 14: * University may not be used to endorse or promote products derived ! 15: * from this software without specific prior written permission. ! 16: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR ! 17: * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED ! 18: * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. ! 19: * ! 20: * @(#)uda.c 7.19 (Berkeley) 7/9/88 ! 21: */ ! 22: ! 23: /* ! 24: * UDA50/MSCP device driver ! 25: */ ! 26: ! 27: #define POLLSTATS ! 28: ! 29: /* ! 30: * TODO ! 31: * write bad block forwarding code ! 32: */ ! 33: ! 34: #include "ra.h" ! 35: ! 36: #if NUDA > 0 ! 37: ! 38: /* ! 39: * CONFIGURATION OPTIONS. The next three defines are tunable -- tune away! ! 40: * ! 41: * COMPAT_42 enables 4.2/4.3 compatibility (label mapping) ! 42: * ! 43: * NRSPL2 and NCMDL2 control the number of response and command ! 44: * packets respectively. They may be any value from 0 to 7, though ! 45: * setting them higher than 5 is unlikely to be of any value. ! 46: * If you get warnings about your command ring being too small, ! 47: * try increasing the values by one. ! 48: * ! 49: * MAXUNIT controls the maximum unit number (number of drives per ! 50: * controller) we are prepared to handle. ! 51: * ! 52: * DEFAULT_BURST must be at least 1. ! 53: */ ! 54: #define COMPAT_42 ! 55: ! 56: #define NRSPL2 5 /* log2 number of response packets */ ! 57: #define NCMDL2 5 /* log2 number of command packets */ ! 58: #define MAXUNIT 8 /* maximum allowed unit number */ ! 59: #define DEFAULT_BURST 4 /* default DMA burst size */ ! 60: ! 61: #include "param.h" ! 62: #include "systm.h" ! 63: #include "buf.h" ! 64: #include "conf.h" ! 65: #include "dir.h" ! 66: #include "file.h" ! 67: #include "ioctl.h" ! 68: #include "user.h" ! 69: #include "map.h" ! 70: #include "vm.h" ! 71: #include "dkstat.h" ! 72: #include "cmap.h" ! 73: #include "disklabel.h" ! 74: #include "syslog.h" ! 75: #include "stat.h" ! 76: ! 77: #include "../machine/pte.h" ! 78: ! 79: #include "../vax/cpu.h" ! 80: #include "ubareg.h" ! 81: #include "ubavar.h" ! 82: ! 83: #define NRSP (1 << NRSPL2) ! 84: #define NCMD (1 << NCMDL2) ! 85: ! 86: #include "udareg.h" ! 87: #include "../vax/mscp.h" ! 88: #include "../vax/mscpvar.h" ! 89: #include "../vax/mtpr.h" ! 90: ! 91: /* ! 92: * UDA communications area and MSCP packet pools, per controller. ! 93: */ ! 94: struct uda { ! 95: struct udaca uda_ca; /* communications area */ ! 96: struct mscp uda_rsp[NRSP]; /* response packets */ ! 97: struct mscp uda_cmd[NCMD]; /* command packets */ ! 98: } uda[NUDA]; ! 99: ! 100: /* ! 101: * Software status, per controller. ! 102: */ ! 103: struct uda_softc { ! 104: struct uda *sc_uda; /* Unibus address of uda struct */ ! 105: short sc_state; /* UDA50 state; see below */ ! 106: short sc_flags; /* flags; see below */ ! 107: int sc_micro; /* microcode revision */ ! 108: int sc_ivec; /* interrupt vector address */ ! 109: struct mscp_info sc_mi;/* MSCP info (per mscpvar.h) */ ! 110: #ifndef POLLSTATS ! 111: int sc_wticks; /* watchdog timer ticks */ ! 112: #else ! 113: short sc_wticks; ! 114: short sc_ncmd; ! 115: #endif ! 116: } uda_softc[NUDA]; ! 117: ! 118: #ifdef POLLSTATS ! 119: struct udastats { ! 120: int ncmd; ! 121: int cmd[NCMD + 1]; ! 122: } udastats = { NCMD + 1 }; ! 123: #endif ! 124: ! 125: /* ! 126: * Controller states ! 127: */ ! 128: #define ST_IDLE 0 /* uninitialised */ ! 129: #define ST_STEP1 1 /* in `STEP 1' */ ! 130: #define ST_STEP2 2 /* in `STEP 2' */ ! 131: #define ST_STEP3 3 /* in `STEP 3' */ ! 132: #define ST_SETCHAR 4 /* in `Set Controller Characteristics' */ ! 133: #define ST_RUN 5 /* up and running */ ! 134: ! 135: /* ! 136: * Flags ! 137: */ ! 138: #define SC_MAPPED 0x01 /* mapped in Unibus I/O space */ ! 139: #define SC_INSTART 0x02 /* inside udastart() */ ! 140: #define SC_GRIPED 0x04 /* griped about cmd ring too small */ ! 141: #define SC_INSLAVE 0x08 /* inside udaslave() */ ! 142: #define SC_DOWAKE 0x10 /* wakeup when ctlr init done */ ! 143: #define SC_STARTPOLL 0x20 /* need to initiate polling */ ! 144: ! 145: /* ! 146: * Device to unit number and partition and back ! 147: */ ! 148: #define UNITSHIFT 3 ! 149: #define UNITMASK 7 ! 150: #define udaunit(dev) (minor(dev) >> UNITSHIFT) ! 151: #define udapart(dev) (minor(dev) & UNITMASK) ! 152: #define udaminor(u, p) (((u) << UNITSHIFT) | (p)) ! 153: ! 154: /* ! 155: * Drive status, per drive ! 156: */ ! 157: struct ra_info { ! 158: daddr_t ra_dsize; /* size in sectors */ ! 159: /* u_long ra_type; /* drive type */ ! 160: u_long ra_mediaid; /* media id */ ! 161: int ra_state; /* open/closed state */ ! 162: struct ra_geom { /* geometry information */ ! 163: u_short rg_nsectors; /* sectors/track */ ! 164: u_short rg_ngroups; /* track groups */ ! 165: u_short rg_ngpc; /* groups/cylinder */ ! 166: u_short rg_ntracks; /* ngroups*ngpc */ ! 167: u_short rg_ncyl; /* ra_dsize/ntracks/nsectors */ ! 168: #ifdef notyet ! 169: u_short rg_rctsize; /* size of rct */ ! 170: u_short rg_rbns; /* replacement blocks per track */ ! 171: u_short rg_nrct; /* number of rct copies */ ! 172: #endif ! 173: } ra_geom; ! 174: int ra_wlabel; /* label sector is currently writable */ ! 175: u_long ra_openpart; /* partitions open */ ! 176: u_long ra_bopenpart; /* block partitions open */ ! 177: u_long ra_copenpart; /* character partitions open */ ! 178: } ra_info[NRA]; ! 179: ! 180: /* ! 181: * Software state, per drive ! 182: */ ! 183: #define CLOSED 0 ! 184: #define WANTOPEN 1 ! 185: #define RDLABEL 2 ! 186: #define OPEN 3 ! 187: #define OPENRAW 4 ! 188: ! 189: /* ! 190: * Definition of the driver for autoconf. ! 191: */ ! 192: int udaprobe(), udaslave(), udaattach(), udadgo(), udaintr(); ! 193: struct uba_ctlr *udaminfo[NUDA]; ! 194: struct uba_device *udadinfo[NRA]; ! 195: struct disklabel udalabel[NRA]; ! 196: ! 197: u_short udastd[] = { 0772150, 0772550, 0777550, 0 }; ! 198: struct uba_driver udadriver = ! 199: { udaprobe, udaslave, udaattach, udadgo, udastd, "ra", udadinfo, "uda", ! 200: udaminfo }; ! 201: ! 202: /* ! 203: * More driver definitions, for generic MSCP code. ! 204: */ ! 205: int udadgram(), udactlrdone(), udaunconf(), udaiodone(); ! 206: int udaonline(), udagotstatus(), udaioerror(), udareplace(), udabb(); ! 207: ! 208: struct buf udautab[NRA]; /* per drive transfer queue */ ! 209: ! 210: struct mscp_driver udamscpdriver = ! 211: { MAXUNIT, NRA, UNITSHIFT, udautab, udalabel, udadinfo, ! 212: udadgram, udactlrdone, udaunconf, udaiodone, ! 213: udaonline, udagotstatus, udareplace, udaioerror, udabb, ! 214: "uda", "ra" }; ! 215: ! 216: /* ! 217: * Miscellaneous private variables. ! 218: */ ! 219: char udasr_bits[] = UDASR_BITS; ! 220: ! 221: struct uba_device *udaip[NUDA][MAXUNIT]; ! 222: /* inverting pointers: ctlr & unit => Unibus ! 223: device pointer */ ! 224: ! 225: int udaburst[NUDA] = { 0 }; /* burst size, per UDA50, zero => default; ! 226: in data space so patchable via adb */ ! 227: ! 228: struct mscp udaslavereply; /* get unit status response packet, set ! 229: for udaslave by udaunconf, via udaintr */ ! 230: ! 231: static struct uba_ctlr *probeum;/* this is a hack---autoconf should pass ctlr ! 232: info to slave routine; instead, we remember ! 233: the last ctlr argument to probe */ ! 234: ! 235: int udawstart, udawatch(); /* watchdog timer */ ! 236: ! 237: /* ! 238: * Externals ! 239: */ ! 240: int wakeup(); ! 241: int hz; ! 242: ! 243: /* ! 244: * Poke at a supposed UDA50 to see if it is there. ! 245: * This routine duplicates some of the code in udainit() only ! 246: * because autoconf has not set up the right information yet. ! 247: * We have to do everything `by hand'. ! 248: */ ! 249: udaprobe(reg, ctlr, um) ! 250: caddr_t reg; ! 251: int ctlr; ! 252: struct uba_ctlr *um; ! 253: { ! 254: register int br, cvec; ! 255: register struct uda_softc *sc; ! 256: register struct udadevice *udaddr; ! 257: register struct mscp_info *mi; ! 258: int timeout, tries; ! 259: ! 260: #ifdef VAX750 ! 261: /* ! 262: * The UDA50 wants to share BDPs on 750s, but not on 780s or ! 263: * 8600s. (730s have no BDPs anyway.) Toward this end, we ! 264: * here set the `keep bdp' flag in the per-driver information ! 265: * if this is a 750. (We just need to do it once, but it is ! 266: * easiest to do it now, for each UDA50.) ! 267: */ ! 268: if (cpu == VAX_750) ! 269: udadriver.ud_keepbdp = 1; ! 270: #endif ! 271: ! 272: probeum = um; /* remember for udaslave() */ ! 273: #ifdef lint ! 274: br = 0; cvec = br; br = cvec; udaintr(0); ! 275: #endif ! 276: /* ! 277: * Set up the controller-specific generic MSCP driver info. ! 278: * Note that this should really be done in the (nonexistent) ! 279: * controller attach routine. ! 280: */ ! 281: sc = &uda_softc[ctlr]; ! 282: mi = &sc->sc_mi; ! 283: mi->mi_md = &udamscpdriver; ! 284: mi->mi_ctlr = um->um_ctlr; ! 285: mi->mi_tab = &um->um_tab; ! 286: mi->mi_ip = udaip[ctlr]; ! 287: mi->mi_cmd.mri_size = NCMD; ! 288: mi->mi_cmd.mri_desc = uda[ctlr].uda_ca.ca_cmddsc; ! 289: mi->mi_cmd.mri_ring = uda[ctlr].uda_cmd; ! 290: mi->mi_rsp.mri_size = NRSP; ! 291: mi->mi_rsp.mri_desc = uda[ctlr].uda_ca.ca_rspdsc; ! 292: mi->mi_rsp.mri_ring = uda[ctlr].uda_rsp; ! 293: mi->mi_wtab.av_forw = mi->mi_wtab.av_back = &mi->mi_wtab; ! 294: ! 295: /* ! 296: * More controller specific variables. Again, this should ! 297: * be in the controller attach routine. ! 298: */ ! 299: if (udaburst[ctlr] == 0) ! 300: udaburst[ctlr] = DEFAULT_BURST; ! 301: ! 302: /* ! 303: * Get an interrupt vector. Note that even if the controller ! 304: * does not respond, we keep the vector. This is not a serious ! 305: * problem; but it would be easily fixed if we had a controller ! 306: * attach routine. Sigh. ! 307: */ ! 308: sc->sc_ivec = (uba_hd[numuba].uh_lastiv -= 4); ! 309: udaddr = (struct udadevice *) reg; ! 310: ! 311: /* ! 312: * Initialise the controller (partially). The UDA50 programmer's ! 313: * manual states that if initialisation fails, it should be retried ! 314: * at least once, but after a second failure the port should be ! 315: * considered `down'; it also mentions that the controller should ! 316: * initialise within ten seconds. Or so I hear; I have not seen ! 317: * this manual myself. ! 318: */ ! 319: tries = 0; ! 320: again: ! 321: udaddr->udaip = 0; /* start initialisation */ ! 322: timeout = todr() + 1000; /* timeout in 10 seconds */ ! 323: while ((udaddr->udasa & UDA_STEP1) == 0) ! 324: if (todr() > timeout) ! 325: goto bad; ! 326: udaddr->udasa = UDA_ERR | (NCMDL2 << 11) | (NRSPL2 << 8) | UDA_IE | ! 327: (sc->sc_ivec >> 2); ! 328: while ((udaddr->udasa & UDA_STEP2) == 0) ! 329: if (todr() > timeout) ! 330: goto bad; ! 331: ! 332: /* should have interrupted by now */ ! 333: #ifdef VAX630 ! 334: if (cpu == VAX_630) ! 335: br = 0x15; /* screwy interrupt structure */ ! 336: #endif ! 337: return (sizeof (struct udadevice)); ! 338: bad: ! 339: if (++tries < 2) ! 340: goto again; ! 341: return (0); ! 342: } ! 343: ! 344: /* ! 345: * Find a slave. We allow wildcard slave numbers (something autoconf ! 346: * is not really prepared to deal with); and we need to know the ! 347: * controller number to talk to the UDA. For the latter, we keep ! 348: * track of the last controller probed, since a controller probe ! 349: * immediately precedes all slave probes for that controller. For the ! 350: * former, we simply put the unit number into ui->ui_slave after we ! 351: * have found one. ! 352: * ! 353: * Note that by the time udaslave is called, the interrupt vector ! 354: * for the UDA50 has been set up (so that udaunconf() will be called). ! 355: */ ! 356: udaslave(ui, reg) ! 357: register struct uba_device *ui; ! 358: caddr_t reg; ! 359: { ! 360: register struct uba_ctlr *um = probeum; ! 361: register struct mscp *mp; ! 362: register struct uda_softc *sc; ! 363: int next = 0, timeout, tries, i; ! 364: ! 365: #ifdef lint ! 366: i = 0; i = i; ! 367: #endif ! 368: /* ! 369: * Make sure the controller is fully initialised, by waiting ! 370: * for it if necessary. ! 371: */ ! 372: sc = &uda_softc[um->um_ctlr]; ! 373: if (sc->sc_state == ST_RUN) ! 374: goto findunit; ! 375: tries = 0; ! 376: again: ! 377: if (udainit(ui->ui_ctlr)) ! 378: return (0); ! 379: timeout = todr() + 1000; /* 10 seconds */ ! 380: while (todr() < timeout) ! 381: if (sc->sc_state == ST_RUN) /* made it */ ! 382: goto findunit; ! 383: if (++tries < 2) ! 384: goto again; ! 385: printf("uda%d: controller hung\n", um->um_ctlr); ! 386: return (0); ! 387: ! 388: /* ! 389: * The controller is all set; go find the unit. Grab an ! 390: * MSCP packet and send out a Get Unit Status command, with ! 391: * the `next unit' modifier if we are looking for a generic ! 392: * unit. We set the `in slave' flag so that udaunconf() ! 393: * knows to copy the response to `udaslavereply'. ! 394: */ ! 395: findunit: ! 396: udaslavereply.mscp_opcode = 0; ! 397: sc->sc_flags |= SC_INSLAVE; ! 398: if ((mp = mscp_getcp(&sc->sc_mi, MSCP_DONTWAIT)) == NULL) ! 399: panic("udaslave"); /* `cannot happen' */ ! 400: mp->mscp_opcode = M_OP_GETUNITST; ! 401: if (ui->ui_slave == '?') { ! 402: mp->mscp_unit = next; ! 403: mp->mscp_modifier = M_GUM_NEXTUNIT; ! 404: } else { ! 405: mp->mscp_unit = ui->ui_slave; ! 406: mp->mscp_modifier = 0; ! 407: } ! 408: *mp->mscp_addr |= MSCP_OWN | MSCP_INT; ! 409: i = ((struct udadevice *) reg)->udaip; /* initiate polling */ ! 410: mp = &udaslavereply; ! 411: timeout = todr() + 1000; ! 412: while (todr() < timeout) ! 413: if (mp->mscp_opcode) ! 414: goto gotit; ! 415: printf("uda%d: no response to Get Unit Status request\n", ! 416: um->um_ctlr); ! 417: sc->sc_flags &= ~SC_INSLAVE; ! 418: return (0); ! 419: ! 420: gotit: ! 421: sc->sc_flags &= ~SC_INSLAVE; ! 422: ! 423: /* ! 424: * Got a slave response. If the unit is there, use it. ! 425: */ ! 426: switch (mp->mscp_status & M_ST_MASK) { ! 427: ! 428: case M_ST_SUCCESS: /* worked */ ! 429: case M_ST_AVAILABLE: /* found another drive */ ! 430: break; /* use it */ ! 431: ! 432: case M_ST_OFFLINE: ! 433: /* ! 434: * Figure out why it is off line. It may be because ! 435: * it is nonexistent, or because it is spun down, or ! 436: * for some other reason. ! 437: */ ! 438: switch (mp->mscp_status & ~M_ST_MASK) { ! 439: ! 440: case M_OFFLINE_UNKNOWN: ! 441: /* ! 442: * No such drive, and there are none with ! 443: * higher unit numbers either, if we are ! 444: * using M_GUM_NEXTUNIT. ! 445: */ ! 446: return (0); ! 447: ! 448: case M_OFFLINE_UNMOUNTED: ! 449: /* ! 450: * The drive is not spun up. Use it anyway. ! 451: * ! 452: * N.B.: this seems to be a common occurrance ! 453: * after a power failure. The first attempt ! 454: * to bring it on line seems to spin it up ! 455: * (and thus takes several minutes). Perhaps ! 456: * we should note here that the on-line may ! 457: * take longer than usual. ! 458: */ ! 459: break; ! 460: ! 461: default: ! 462: /* ! 463: * In service, or something else equally unusable. ! 464: */ ! 465: printf("uda%d: unit %d off line: ", um->um_ctlr, ! 466: mp->mscp_unit); ! 467: mscp_printevent(mp); ! 468: goto try_another; ! 469: } ! 470: break; ! 471: ! 472: default: ! 473: printf("uda%d: unable to get unit status: ", um->um_ctlr); ! 474: mscp_printevent(mp); ! 475: return (0); ! 476: } ! 477: ! 478: /* ! 479: * Does this ever happen? What (if anything) does it mean? ! 480: */ ! 481: if (mp->mscp_unit < next) { ! 482: printf("uda%d: unit %d, next %d\n", ! 483: um->um_ctlr, mp->mscp_unit, next); ! 484: return (0); ! 485: } ! 486: ! 487: if (mp->mscp_unit >= MAXUNIT) { ! 488: printf("uda%d: cannot handle unit number %d (max is %d)\n", ! 489: um->um_ctlr, mp->mscp_unit, MAXUNIT - 1); ! 490: return (0); ! 491: } ! 492: ! 493: /* ! 494: * See if we already handle this drive. ! 495: * (Only likely if ui->ui_slave=='?'.) ! 496: */ ! 497: if (udaip[um->um_ctlr][mp->mscp_unit] != NULL) { ! 498: try_another: ! 499: if (ui->ui_slave != '?') ! 500: return (0); ! 501: next = mp->mscp_unit + 1; ! 502: goto findunit; ! 503: } ! 504: ! 505: /* ! 506: * Voila! ! 507: */ ! 508: uda_rasave(ui->ui_unit, mp, 0); ! 509: ui->ui_flags = 0; /* not on line, nor anything else */ ! 510: ui->ui_slave = mp->mscp_unit; ! 511: return (1); ! 512: } ! 513: ! 514: /* ! 515: * Attach a found slave. Make sure the watchdog timer is running. ! 516: * If this disk is being profiled, fill in the `mspw' value (used by ! 517: * what?). Set up the inverting pointer, and attempt to bring the ! 518: * drive on line and read its label. ! 519: */ ! 520: udaattach(ui) ! 521: register struct uba_device *ui; ! 522: { ! 523: register int unit = ui->ui_unit; ! 524: ! 525: if (udawstart == 0) { ! 526: timeout(udawatch, (caddr_t) 0, hz); ! 527: udawstart++; ! 528: } ! 529: ! 530: /* ! 531: * Floppies cannot be brought on line unless there is ! 532: * a disk in the drive. Since an ONLINE while cold ! 533: * takes ten seconds to fail, and (when notyet becomes now) ! 534: * no sensible person will swap to one, we just ! 535: * defer the ONLINE until someone tries to use the drive. ! 536: * ! 537: * THIS ASSUMES THAT DRIVE TYPES ?X? ARE FLOPPIES ! 538: */ ! 539: if (MSCP_MID_ECH(1, ra_info[unit].ra_mediaid) == 'X' - '@') { ! 540: printf(": floppy"); ! 541: return; ! 542: } ! 543: if (ui->ui_dk >= 0) ! 544: dk_mspw[ui->ui_dk] = 1.0 / (60 * 31 * 256); /* approx */ ! 545: udaip[ui->ui_ctlr][ui->ui_slave] = ui; ! 546: ! 547: if (uda_rainit(ui, 0)) ! 548: printf(": offline"); ! 549: else { ! 550: printf(": %s, size = %d sectors", ! 551: udalabel[unit].d_typename, ra_info[unit].ra_dsize); ! 552: #ifdef notyet ! 553: addswap(makedev(UDADEVNUM, udaminor(unit, 0)), &udalabel[unit]); ! 554: #endif ! 555: } ! 556: } ! 557: ! 558: /* ! 559: * Initialise a UDA50. Return true iff something goes wrong. ! 560: */ ! 561: udainit(ctlr) ! 562: int ctlr; ! 563: { ! 564: register struct uda_softc *sc; ! 565: register struct udadevice *udaddr; ! 566: struct uba_ctlr *um; ! 567: int timo, ubinfo; ! 568: ! 569: sc = &uda_softc[ctlr]; ! 570: um = udaminfo[ctlr]; ! 571: if ((sc->sc_flags & SC_MAPPED) == 0) { ! 572: /* ! 573: * Map the communication area and command and ! 574: * response packets into Unibus space. ! 575: */ ! 576: ubinfo = uballoc(um->um_ubanum, (caddr_t) &uda[ctlr], ! 577: sizeof (struct uda), UBA_CANTWAIT); ! 578: if (ubinfo == 0) { ! 579: printf("uda%d: uballoc map failed\n", ctlr); ! 580: return (-1); ! 581: } ! 582: sc->sc_uda = (struct uda *) (ubinfo & 0x3ffff); ! 583: sc->sc_flags |= SC_MAPPED; ! 584: } ! 585: ! 586: /* ! 587: * While we are thinking about it, reset the next command ! 588: * and response indicies. ! 589: */ ! 590: sc->sc_mi.mi_cmd.mri_next = 0; ! 591: sc->sc_mi.mi_rsp.mri_next = 0; ! 592: ! 593: /* ! 594: * Start up the hardware initialisation sequence. ! 595: */ ! 596: #define STEP0MASK (UDA_ERR | UDA_STEP4 | UDA_STEP3 | UDA_STEP2 | \ ! 597: UDA_STEP1 | UDA_NV) ! 598: ! 599: sc->sc_state = ST_IDLE; /* in case init fails */ ! 600: udaddr = (struct udadevice *)um->um_addr; ! 601: udaddr->udaip = 0; ! 602: timo = todr() + 1000; ! 603: while ((udaddr->udasa & STEP0MASK) == 0) { ! 604: if (todr() > timo) { ! 605: printf("uda%d: timeout during init\n", ctlr); ! 606: return (-1); ! 607: } ! 608: } ! 609: if ((udaddr->udasa & STEP0MASK) != UDA_STEP1) { ! 610: printf("uda%d: init failed, sa=%b\n", ctlr, ! 611: udaddr->udasa, udasr_bits); ! 612: udasaerror(um, 0); ! 613: return (-1); ! 614: } ! 615: ! 616: /* ! 617: * Success! Record new state, and start step 1 initialisation. ! 618: * The rest is done in the interrupt handler. ! 619: */ ! 620: sc->sc_state = ST_STEP1; ! 621: udaddr->udasa = UDA_ERR | (NCMDL2 << 11) | (NRSPL2 << 8) | UDA_IE | ! 622: (sc->sc_ivec >> 2); ! 623: return (0); ! 624: } ! 625: ! 626: /* ! 627: * Open a drive. ! 628: */ ! 629: /*ARGSUSED*/ ! 630: udaopen(dev, flag, fmt) ! 631: dev_t dev; ! 632: int flag, fmt; ! 633: { ! 634: register int unit; ! 635: register struct uba_device *ui; ! 636: register struct uda_softc *sc; ! 637: register struct disklabel *lp; ! 638: register struct partition *pp; ! 639: register struct ra_info *ra; ! 640: int s, i, part, mask, error = 0; ! 641: daddr_t start, end; ! 642: ! 643: /* ! 644: * Make sure this is a reasonable open request. ! 645: */ ! 646: unit = udaunit(dev); ! 647: if (unit >= NRA || (ui = udadinfo[unit]) == 0 || ui->ui_alive == 0) ! 648: return (ENXIO); ! 649: ! 650: /* ! 651: * Make sure the controller is running, by (re)initialising it if ! 652: * necessary. ! 653: */ ! 654: sc = &uda_softc[ui->ui_ctlr]; ! 655: s = spl5(); ! 656: if (sc->sc_state != ST_RUN) { ! 657: if (sc->sc_state == ST_IDLE && udainit(ui->ui_ctlr)) { ! 658: splx(s); ! 659: return (EIO); ! 660: } ! 661: /* ! 662: * In case it does not come up, make sure we will be ! 663: * restarted in 10 seconds. This corresponds to the ! 664: * 10 second timeouts in udaprobe() and udaslave(). ! 665: */ ! 666: sc->sc_flags |= SC_DOWAKE; ! 667: timeout(wakeup, (caddr_t) sc, 10 * hz); ! 668: sleep((caddr_t) sc, PRIBIO); ! 669: if (sc->sc_state != ST_RUN) { ! 670: splx(s); ! 671: printf("uda%d: controller hung\n", ui->ui_ctlr); ! 672: return (EIO); ! 673: } ! 674: untimeout(wakeup, (caddr_t) sc); ! 675: } ! 676: ! 677: /* ! 678: * Wait for the state to settle ! 679: */ ! 680: ra = &ra_info[unit]; ! 681: while (ra->ra_state != OPEN && ra->ra_state != OPENRAW && ! 682: ra->ra_state != CLOSED) ! 683: sleep((caddr_t)ra, PZERO + 1); ! 684: ! 685: /* ! 686: * If not on line, or we are not sure of the label, reinitialise ! 687: * the drive. ! 688: */ ! 689: if ((ui->ui_flags & UNIT_ONLINE) == 0 || ! 690: (ra->ra_state != OPEN && ra->ra_state != OPENRAW)) ! 691: error = uda_rainit(ui, flag); ! 692: splx(s); ! 693: if (error) ! 694: return (error); ! 695: ! 696: part = udapart(dev); ! 697: lp = &udalabel[unit]; ! 698: if (part >= lp->d_npartitions) ! 699: return (ENXIO); ! 700: /* ! 701: * Warn if a partition is opened that overlaps another ! 702: * already open, unless either is the `raw' partition ! 703: * (whole disk). ! 704: */ ! 705: #define RAWPART 2 /* 'c' partition */ /* XXX */ ! 706: mask = 1 << part; ! 707: if ((ra->ra_openpart & mask) == 0 && part != RAWPART) { ! 708: pp = &lp->d_partitions[part]; ! 709: start = pp->p_offset; ! 710: end = pp->p_offset + pp->p_size; ! 711: for (pp = lp->d_partitions, i = 0; ! 712: i < lp->d_npartitions; pp++, i++) { ! 713: if (pp->p_offset + pp->p_size <= start || ! 714: pp->p_offset >= end || i == RAWPART) ! 715: continue; ! 716: if (ra->ra_openpart & (1 << i)) ! 717: log(LOG_WARNING, ! 718: "ra%d%c: overlaps open partition (%c)\n", ! 719: unit, part + 'a', i + 'a'); ! 720: } ! 721: } ! 722: switch (fmt) { ! 723: case S_IFCHR: ! 724: ra->ra_copenpart |= mask; ! 725: break; ! 726: case S_IFBLK: ! 727: ra->ra_bopenpart |= mask; ! 728: break; ! 729: } ! 730: ra->ra_openpart |= mask; ! 731: return (0); ! 732: } ! 733: ! 734: /* ARGSUSED */ ! 735: udaclose(dev, flags, fmt) ! 736: dev_t dev; ! 737: int flags, fmt; ! 738: { ! 739: register int unit = udaunit(dev); ! 740: register struct ra_info *ra = &ra_info[unit]; ! 741: int s, mask = (1 << udapart(dev)); ! 742: ! 743: switch (fmt) { ! 744: case S_IFCHR: ! 745: ra->ra_copenpart &= ~mask; ! 746: break; ! 747: case S_IFBLK: ! 748: ra->ra_bopenpart &= ~mask; ! 749: break; ! 750: } ! 751: ra->ra_openpart = ra->ra_copenpart | ra->ra_bopenpart; ! 752: ! 753: /* ! 754: * Should wait for I/O to complete on this partition even if ! 755: * others are open, but wait for work on blkflush(). ! 756: */ ! 757: if (ra->ra_openpart == 0) { ! 758: s = spl5(); ! 759: while (udautab[unit].b_actf) ! 760: sleep((caddr_t)&udautab[unit], PZERO - 1); ! 761: splx(s); ! 762: ra->ra_state = CLOSED; ! 763: ra->ra_wlabel = 0; ! 764: } ! 765: return (0); ! 766: } ! 767: ! 768: /* ! 769: * Initialise a drive. If it is not already, bring it on line, ! 770: * and set a timeout on it in case it fails to respond. ! 771: * When on line, read in the pack label. ! 772: */ ! 773: uda_rainit(ui, flags) ! 774: register struct uba_device *ui; ! 775: int flags; ! 776: { ! 777: register struct uda_softc *sc = &uda_softc[ui->ui_ctlr]; ! 778: register struct disklabel *lp; ! 779: register struct mscp *mp; ! 780: register int unit = ui->ui_unit; ! 781: register struct ra_info *ra; ! 782: char *msg, *readdisklabel(); ! 783: int s, i, udastrategy(); ! 784: extern int cold; ! 785: ! 786: ra = &ra_info[unit]; ! 787: if ((ui->ui_flags & UNIT_ONLINE) == 0) { ! 788: mp = mscp_getcp(&sc->sc_mi, MSCP_WAIT); ! 789: mp->mscp_opcode = M_OP_ONLINE; ! 790: mp->mscp_unit = ui->ui_slave; ! 791: mp->mscp_cmdref = (long)&ui->ui_flags; ! 792: *mp->mscp_addr |= MSCP_OWN | MSCP_INT; ! 793: ra->ra_state = WANTOPEN; ! 794: if (!cold) ! 795: s = spl5(); ! 796: i = ((struct udadevice *)ui->ui_addr)->udaip; ! 797: ! 798: if (cold) { ! 799: i = todr() + 1000; ! 800: while ((ui->ui_flags & UNIT_ONLINE) == 0) ! 801: if (todr() > i) ! 802: break; ! 803: } else { ! 804: timeout(wakeup, (caddr_t)&ui->ui_flags, 10 * hz); ! 805: sleep((caddr_t)&ui->ui_flags, PSWP + 1); ! 806: splx(s); ! 807: untimeout(wakeup, (caddr_t)&ui->ui_flags); ! 808: } ! 809: if (ra->ra_state != OPENRAW) { ! 810: ra->ra_state = CLOSED; ! 811: wakeup((caddr_t)ra); ! 812: return (EIO); ! 813: } ! 814: } ! 815: ! 816: lp = &udalabel[unit]; ! 817: lp->d_secsize = DEV_BSIZE; ! 818: lp->d_secperunit = ra->ra_dsize; ! 819: ! 820: if (flags & O_NDELAY) ! 821: return (0); ! 822: ra->ra_state = RDLABEL; ! 823: /* ! 824: * Set up default sizes until we have the label, or longer ! 825: * if there is none. Set secpercyl, as readdisklabel wants ! 826: * to compute b_cylin (although we do not need it). ! 827: */ ! 828: lp->d_secpercyl = 1; ! 829: lp->d_npartitions = 1; ! 830: lp->d_partitions[0].p_size = lp->d_secperunit; ! 831: lp->d_partitions[0].p_offset = 0; ! 832: ! 833: /* ! 834: * Read pack label. ! 835: */ ! 836: if ((msg = readdisklabel(udaminor(unit, 0), udastrategy, lp)) != NULL) { ! 837: if (cold) ! 838: printf(": %s", msg); ! 839: else ! 840: log(LOG_ERR, "ra%d: %s\n", unit, msg); ! 841: #ifdef COMPAT_42 ! 842: if (udamaptype(unit, lp)) ! 843: ra->ra_state = OPEN; ! 844: else ! 845: ra->ra_state = OPENRAW; ! 846: #else ! 847: ra->ra_state = OPENRAW; ! 848: /* uda_makefakelabel(ra, lp); */ ! 849: #endif ! 850: } else ! 851: ra->ra_state = OPEN; ! 852: wakeup((caddr_t)ra); ! 853: return (0); ! 854: } ! 855: ! 856: /* ! 857: * Copy the geometry information for the given ra from a ! 858: * GET UNIT STATUS response. If check, see if it changed. ! 859: */ ! 860: uda_rasave(unit, mp, check) ! 861: int unit; ! 862: register struct mscp *mp; ! 863: int check; ! 864: { ! 865: register struct ra_info *ra = &ra_info[unit]; ! 866: ! 867: if (check && ra->ra_mediaid != mp->mscp_guse.guse_mediaid) { ! 868: printf("ra%d: changed types! was %d now %d\n", unit, ! 869: ra->ra_mediaid, mp->mscp_guse.guse_mediaid); ! 870: ra->ra_state = CLOSED; /* ??? */ ! 871: } ! 872: /* ra->ra_type = mp->mscp_guse.guse_drivetype; */ ! 873: ra->ra_mediaid = mp->mscp_guse.guse_mediaid; ! 874: ra->ra_geom.rg_nsectors = mp->mscp_guse.guse_nspt; ! 875: ra->ra_geom.rg_ngroups = mp->mscp_guse.guse_group; ! 876: ra->ra_geom.rg_ngpc = mp->mscp_guse.guse_ngpc; ! 877: ra->ra_geom.rg_ntracks = ra->ra_geom.rg_ngroups * ra->ra_geom.rg_ngpc; ! 878: /* ra_geom.rg_ncyl cannot be computed until we have ra_dsize */ ! 879: #ifdef notyet ! 880: ra->ra_geom.rg_rctsize = mp->mscp_guse.guse_rctsize; ! 881: ra->ra_geom.rg_rbns = mp->mscp_guse.guse_nrpt; ! 882: ra->ra_geom.rg_nrct = mp->mscp_guse.guse_nrct; ! 883: #endif ! 884: } ! 885: ! 886: /* ! 887: * Queue a transfer request, and if possible, hand it to the controller. ! 888: * ! 889: * This routine is broken into two so that the internal version ! 890: * udastrat1() can be called by the (nonexistent, as yet) bad block ! 891: * revectoring routine. ! 892: */ ! 893: udastrategy(bp) ! 894: register struct buf *bp; ! 895: { ! 896: register int unit; ! 897: register struct uba_device *ui; ! 898: register struct ra_info *ra; ! 899: struct partition *pp; ! 900: int p; ! 901: daddr_t sz, maxsz; ! 902: ! 903: /* ! 904: * Make sure this is a reasonable drive to use. ! 905: */ ! 906: if ((unit = udaunit(bp->b_dev)) >= NRA || ! 907: (ui = udadinfo[unit]) == NULL || ui->ui_alive == 0 || ! 908: (ra = &ra_info[unit])->ra_state == CLOSED) { ! 909: bp->b_error = ENXIO; ! 910: goto bad; ! 911: } ! 912: ! 913: /* ! 914: * If drive is open `raw' or reading label, let it at it. ! 915: */ ! 916: if (ra->ra_state < OPEN) { ! 917: udastrat1(bp); ! 918: return; ! 919: } ! 920: p = udapart(bp->b_dev); ! 921: if ((ra->ra_openpart & (1 << p)) == 0) { ! 922: bp->b_error = ENODEV; ! 923: goto bad; ! 924: } ! 925: ! 926: /* ! 927: * Determine the size of the transfer, and make sure it is ! 928: * within the boundaries of the partition. ! 929: */ ! 930: pp = &udalabel[unit].d_partitions[p]; ! 931: maxsz = pp->p_size; ! 932: if (pp->p_offset + pp->p_size > ra->ra_dsize) ! 933: maxsz = ra->ra_dsize - pp->p_offset; ! 934: sz = (bp->b_bcount + DEV_BSIZE - 1) >> DEV_BSHIFT; ! 935: if (bp->b_blkno + pp->p_offset <= LABELSECTOR && ! 936: #if LABELSECTOR != 0 ! 937: bp->b_blkno + pp->p_offset + sz > LABELSECTOR && ! 938: #endif ! 939: (bp->b_flags & B_READ) == 0 && ra->ra_wlabel == 0) { ! 940: bp->b_error = EROFS; ! 941: goto bad; ! 942: } ! 943: if (bp->b_blkno < 0 || bp->b_blkno + sz > maxsz) { ! 944: /* if exactly at end of disk, return an EOF */ ! 945: if (bp->b_blkno == maxsz) { ! 946: bp->b_resid = bp->b_bcount; ! 947: biodone(bp); ! 948: return; ! 949: } ! 950: /* or truncate if part of it fits */ ! 951: sz = maxsz - bp->b_blkno; ! 952: if (sz <= 0) { ! 953: bp->b_error = EINVAL; /* or hang it up */ ! 954: goto bad; ! 955: } ! 956: bp->b_bcount = sz << DEV_BSHIFT; ! 957: } ! 958: udastrat1(bp); ! 959: return; ! 960: bad: ! 961: bp->b_flags |= B_ERROR; ! 962: biodone(bp); ! 963: } ! 964: ! 965: /* ! 966: * Work routine for udastrategy. ! 967: */ ! 968: udastrat1(bp) ! 969: register struct buf *bp; ! 970: { ! 971: register int unit = udaunit(bp->b_dev); ! 972: register struct uba_ctlr *um; ! 973: register struct buf *dp; ! 974: struct uba_device *ui; ! 975: int s = spl5(); ! 976: ! 977: /* ! 978: * Append the buffer to the drive queue, and if it is not ! 979: * already there, the drive to the controller queue. (However, ! 980: * if the drive queue is marked to be requeued, we must be ! 981: * awaiting an on line or get unit status command; in this ! 982: * case, leave it off the controller queue.) ! 983: */ ! 984: um = (ui = udadinfo[unit])->ui_mi; ! 985: dp = &udautab[unit]; ! 986: APPEND(bp, dp, av_forw); ! 987: if (dp->b_active == 0 && (ui->ui_flags & UNIT_REQUEUE) == 0) { ! 988: APPEND(dp, &um->um_tab, b_forw); ! 989: dp->b_active++; ! 990: } ! 991: ! 992: /* ! 993: * Start activity on the controller. Note that unlike other ! 994: * Unibus drivers, we must always do this, not just when the ! 995: * controller is not active. ! 996: */ ! 997: udastart(um); ! 998: splx(s); ! 999: } ! 1000: ! 1001: /* ! 1002: * Start up whatever transfers we can find. ! 1003: * Note that udastart() must be called at spl5(). ! 1004: */ ! 1005: udastart(um) ! 1006: register struct uba_ctlr *um; ! 1007: { ! 1008: register struct uda_softc *sc = &uda_softc[um->um_ctlr]; ! 1009: register struct buf *bp, *dp; ! 1010: register struct mscp *mp; ! 1011: struct uba_device *ui; ! 1012: struct udadevice *udaddr; ! 1013: struct partition *pp; ! 1014: int i, sz; ! 1015: ! 1016: #ifdef lint ! 1017: i = 0; i = i; ! 1018: #endif ! 1019: /* ! 1020: * If it is not running, try (again and again...) to initialise ! 1021: * it. If it is currently initialising just ignore it for now. ! 1022: */ ! 1023: if (sc->sc_state != ST_RUN) { ! 1024: if (sc->sc_state == ST_IDLE && udainit(um->um_ctlr)) ! 1025: printf("uda%d: still hung\n", um->um_ctlr); ! 1026: return; ! 1027: } ! 1028: ! 1029: /* ! 1030: * If um_cmd is nonzero, this controller is on the Unibus ! 1031: * resource wait queue. It will not help to try more requests; ! 1032: * instead, when the Unibus unblocks and calls udadgo(), we ! 1033: * will call udastart() again. ! 1034: */ ! 1035: if (um->um_cmd) ! 1036: return; ! 1037: ! 1038: sc->sc_flags |= SC_INSTART; ! 1039: udaddr = (struct udadevice *) um->um_addr; ! 1040: ! 1041: loop: ! 1042: /* ! 1043: * Service the drive at the head of the queue. It may not ! 1044: * need anything, in which case it might be shutting down ! 1045: * in udaclose(). ! 1046: */ ! 1047: if ((dp = um->um_tab.b_actf) == NULL) ! 1048: goto out; ! 1049: if ((bp = dp->b_actf) == NULL) { ! 1050: dp->b_active = 0; ! 1051: um->um_tab.b_actf = dp->b_forw; ! 1052: if (ra_info[dp - udautab].ra_openpart == 0) ! 1053: wakeup((caddr_t)dp); /* finish close protocol */ ! 1054: goto loop; ! 1055: } ! 1056: ! 1057: if (udaddr->udasa & UDA_ERR) { /* ctlr fatal error */ ! 1058: udasaerror(um, 1); ! 1059: goto out; ! 1060: } ! 1061: ! 1062: /* ! 1063: * Get an MSCP packet, then figure out what to do. If ! 1064: * we cannot get a command packet, the command ring may ! 1065: * be too small: We should have at least as many command ! 1066: * packets as credits, for best performance. ! 1067: */ ! 1068: if ((mp = mscp_getcp(&sc->sc_mi, MSCP_DONTWAIT)) == NULL) { ! 1069: if (sc->sc_mi.mi_credits > MSCP_MINCREDITS && ! 1070: (sc->sc_flags & SC_GRIPED) == 0) { ! 1071: log(LOG_NOTICE, "uda%d: command ring too small\n", ! 1072: um->um_ctlr); ! 1073: sc->sc_flags |= SC_GRIPED;/* complain only once */ ! 1074: } ! 1075: goto out; ! 1076: } ! 1077: ! 1078: /* ! 1079: * Bring the drive on line if it is not already. Get its status ! 1080: * if we do not already have it. Otherwise just start the transfer. ! 1081: */ ! 1082: ui = udadinfo[udaunit(bp->b_dev)]; ! 1083: if ((ui->ui_flags & UNIT_ONLINE) == 0) { ! 1084: mp->mscp_opcode = M_OP_ONLINE; ! 1085: goto common; ! 1086: } ! 1087: if ((ui->ui_flags & UNIT_HAVESTATUS) == 0) { ! 1088: mp->mscp_opcode = M_OP_GETUNITST; ! 1089: common: ! 1090: if (ui->ui_flags & UNIT_REQUEUE) panic("udastart"); ! 1091: /* ! 1092: * Take the drive off the controller queue. When the ! 1093: * command finishes, make sure the drive is requeued. ! 1094: */ ! 1095: um->um_tab.b_actf = dp->b_forw; ! 1096: dp->b_active = 0; ! 1097: ui->ui_flags |= UNIT_REQUEUE; ! 1098: mp->mscp_unit = ui->ui_slave; ! 1099: *mp->mscp_addr |= MSCP_OWN | MSCP_INT; ! 1100: sc->sc_flags |= SC_STARTPOLL; ! 1101: #ifdef POLLSTATS ! 1102: sc->sc_ncmd++; ! 1103: #endif ! 1104: goto loop; ! 1105: } ! 1106: ! 1107: pp = &udalabel[ui->ui_unit].d_partitions[udapart(bp->b_dev)]; ! 1108: mp->mscp_opcode = (bp->b_flags & B_READ) ? M_OP_READ : M_OP_WRITE; ! 1109: mp->mscp_unit = ui->ui_slave; ! 1110: mp->mscp_seq.seq_lbn = bp->b_blkno + pp->p_offset; ! 1111: sz = (bp->b_bcount + DEV_BSIZE - 1) >> DEV_BSHIFT; ! 1112: mp->mscp_seq.seq_bytecount = bp->b_blkno + sz > pp->p_size ? ! 1113: (pp->p_size - bp->b_blkno) >> DEV_BSHIFT : bp->b_bcount; ! 1114: /* mscp_cmdref is filled in by mscp_go() */ ! 1115: ! 1116: /* ! 1117: * Drop the packet pointer into the `command' field so udadgo() ! 1118: * can tell what to start. If ubago returns 1, we can do another ! 1119: * transfer. If not, um_cmd will still point at mp, so we will ! 1120: * know that we are waiting for resources. ! 1121: */ ! 1122: um->um_cmd = (int)mp; ! 1123: if (ubago(ui)) ! 1124: goto loop; ! 1125: ! 1126: /* ! 1127: * All done, or blocked in ubago(). If we managed to ! 1128: * issue some commands, start up the beast. ! 1129: */ ! 1130: out: ! 1131: if (sc->sc_flags & SC_STARTPOLL) { ! 1132: #ifdef POLLSTATS ! 1133: udastats.cmd[sc->sc_ncmd]++; ! 1134: sc->sc_ncmd = 0; ! 1135: #endif ! 1136: i = ((struct udadevice *)um->um_addr)->udaip; ! 1137: } ! 1138: sc->sc_flags &= ~(SC_INSTART | SC_STARTPOLL); ! 1139: } ! 1140: ! 1141: /* ! 1142: * Start a transfer. ! 1143: * ! 1144: * If we are not called from within udastart(), we must have been ! 1145: * blocked, so call udastart to do more requests (if any). If ! 1146: * this calls us again immediately we will not recurse, because ! 1147: * that time we will be in udastart(). Clever.... ! 1148: */ ! 1149: udadgo(um) ! 1150: register struct uba_ctlr *um; ! 1151: { ! 1152: struct uda_softc *sc = &uda_softc[um->um_ctlr]; ! 1153: struct mscp *mp = (struct mscp *)um->um_cmd; ! 1154: ! 1155: um->um_tab.b_active++; /* another transfer going */ ! 1156: ! 1157: /* ! 1158: * Fill in the MSCP packet and move the buffer to the ! 1159: * I/O wait queue. Mark the controller as no longer on ! 1160: * the resource queue, and remember to initiate polling. ! 1161: */ ! 1162: mp->mscp_seq.seq_buffer = (um->um_ubinfo & 0x3ffff) | ! 1163: (UBAI_BDP(um->um_ubinfo) << 24); ! 1164: mscp_go(&sc->sc_mi, mp, um->um_ubinfo); ! 1165: um->um_cmd = 0; ! 1166: um->um_ubinfo = 0; /* tyke it awye */ ! 1167: sc->sc_flags |= SC_STARTPOLL; ! 1168: #ifdef POLLSTATS ! 1169: sc->sc_ncmd++; ! 1170: #endif ! 1171: if ((sc->sc_flags & SC_INSTART) == 0) ! 1172: udastart(um); ! 1173: } ! 1174: ! 1175: udaiodone(mi, bp, info) ! 1176: register struct mscp_info *mi; ! 1177: struct buf *bp; ! 1178: int info; ! 1179: { ! 1180: register struct uba_ctlr *um = udaminfo[mi->mi_ctlr]; ! 1181: ! 1182: um->um_ubinfo = info; ! 1183: ubadone(um); ! 1184: biodone(bp); ! 1185: if (um->um_bdp && mi->mi_wtab.av_forw == &mi->mi_wtab) ! 1186: ubarelse(um->um_ubanum, &um->um_bdp); ! 1187: um->um_tab.b_active--; /* another transfer done */ ! 1188: } ! 1189: ! 1190: static struct saerr { ! 1191: int code; /* error code (including UDA_ERR) */ ! 1192: char *desc; /* what it means: Efoo => foo error */ ! 1193: } saerr[] = { ! 1194: { 0100001, "Eunibus packet read" }, ! 1195: { 0100002, "Eunibus packet write" }, ! 1196: { 0100003, "EUDA ROM and RAM parity" }, ! 1197: { 0100004, "EUDA RAM parity" }, ! 1198: { 0100005, "EUDA ROM parity" }, ! 1199: { 0100006, "Eunibus ring read" }, ! 1200: { 0100007, "Eunibus ring write" }, ! 1201: { 0100010, " unibus interrupt master failure" }, ! 1202: { 0100011, "Ehost access timeout" }, ! 1203: { 0100012, " host exceeded command limit" }, ! 1204: { 0100013, " unibus bus master failure" }, ! 1205: { 0100014, " DM XFC fatal error" }, ! 1206: { 0100015, " hardware timeout of instruction loop" }, ! 1207: { 0100016, " invalid virtual circuit id" }, ! 1208: { 0100017, "Eunibus interrupt write" }, ! 1209: { 0104000, "Efatal sequence" }, ! 1210: { 0104040, " D proc ALU" }, ! 1211: { 0104041, "ED proc control ROM parity" }, ! 1212: { 0105102, "ED proc w/no BD#2 or RAM parity" }, ! 1213: { 0105105, "ED proc RAM buffer" }, ! 1214: { 0105152, "ED proc SDI" }, ! 1215: { 0105153, "ED proc write mode wrap serdes" }, ! 1216: { 0105154, "ED proc read mode serdes, RSGEN & ECC" }, ! 1217: { 0106040, "EU proc ALU" }, ! 1218: { 0106041, "EU proc control reg" }, ! 1219: { 0106042, " U proc DFAIL/cntl ROM parity/BD #1 test CNT" }, ! 1220: { 0106047, " U proc const PROM err w/D proc running SDI test" }, ! 1221: { 0106055, " unexpected trap" }, ! 1222: { 0106071, "EU proc const PROM" }, ! 1223: { 0106072, "EU proc control ROM parity" }, ! 1224: { 0106200, "Estep 1 data" }, ! 1225: { 0107103, "EU proc RAM parity" }, ! 1226: { 0107107, "EU proc RAM buffer" }, ! 1227: { 0107115, " test count wrong (BD 12)" }, ! 1228: { 0112300, "Estep 2" }, ! 1229: { 0122240, "ENPR" }, ! 1230: { 0122300, "Estep 3" }, ! 1231: { 0142300, "Estep 4" }, ! 1232: { 0, " unknown error code" } ! 1233: }; ! 1234: ! 1235: /* ! 1236: * If the error bit was set in the controller status register, gripe, ! 1237: * then (optionally) reset the controller and requeue pending transfers. ! 1238: */ ! 1239: udasaerror(um, doreset) ! 1240: register struct uba_ctlr *um; ! 1241: int doreset; ! 1242: { ! 1243: register int code = ((struct udadevice *)um->um_addr)->udasa; ! 1244: register struct saerr *e; ! 1245: ! 1246: if ((code & UDA_ERR) == 0) ! 1247: return; ! 1248: for (e = saerr; e->code; e++) ! 1249: if (e->code == code) ! 1250: break; ! 1251: printf("uda%d: controller error, sa=0%o (%s%s)\n", ! 1252: um->um_ctlr, code, e->desc + 1, ! 1253: *e->desc == 'E' ? " error" : ""); ! 1254: if (doreset) { ! 1255: mscp_requeue(&uda_softc[um->um_ctlr].sc_mi); ! 1256: (void) udainit(um->um_ctlr); ! 1257: } ! 1258: } ! 1259: ! 1260: /* ! 1261: * Interrupt routine. Depending on the state of the controller, ! 1262: * continue initialisation, or acknowledge command and response ! 1263: * interrupts, and process responses. ! 1264: */ ! 1265: udaintr(ctlr) ! 1266: int ctlr; ! 1267: { ! 1268: register struct uba_ctlr *um = udaminfo[ctlr]; ! 1269: register struct uda_softc *sc = &uda_softc[ctlr]; ! 1270: register struct udadevice *udaddr = (struct udadevice *)um->um_addr; ! 1271: register struct uda *ud; ! 1272: register struct mscp *mp; ! 1273: register int i; ! 1274: ! 1275: #ifdef VAX630 ! 1276: (void) spl5(); /* Qbus interrupt protocol is odd */ ! 1277: #endif ! 1278: sc->sc_wticks = 0; /* reset interrupt watchdog */ ! 1279: ! 1280: /* ! 1281: * Combinations during steps 1, 2, and 3: STEPnMASK ! 1282: * corresponds to which bits should be tested; ! 1283: * STEPnGOOD corresponds to the pattern that should ! 1284: * appear after the interrupt from STEPn initialisation. ! 1285: * All steps test the bits in ALLSTEPS. ! 1286: */ ! 1287: #define ALLSTEPS (UDA_ERR|UDA_STEP4|UDA_STEP3|UDA_STEP2|UDA_STEP1) ! 1288: ! 1289: #define STEP1MASK (ALLSTEPS | UDA_IE | UDA_NCNRMASK) ! 1290: #define STEP1GOOD (UDA_STEP2 | UDA_IE | (NCMDL2 << 3) | NRSPL2) ! 1291: ! 1292: #define STEP2MASK (ALLSTEPS | UDA_IE | UDA_IVECMASK) ! 1293: #define STEP2GOOD (UDA_STEP3 | UDA_IE | (sc->sc_ivec >> 2)) ! 1294: ! 1295: #define STEP3MASK ALLSTEPS ! 1296: #define STEP3GOOD UDA_STEP4 ! 1297: ! 1298: switch (sc->sc_state) { ! 1299: ! 1300: case ST_IDLE: ! 1301: /* ! 1302: * Ignore unsolicited interrupts. ! 1303: */ ! 1304: log(LOG_WARNING, "uda%d: stray intr\n", ctlr); ! 1305: return; ! 1306: ! 1307: case ST_STEP1: ! 1308: /* ! 1309: * Begin step two initialisation. ! 1310: */ ! 1311: if ((udaddr->udasa & STEP1MASK) != STEP1GOOD) { ! 1312: i = 1; ! 1313: initfailed: ! 1314: printf("uda%d: init step %d failed, sa=%b\n", ! 1315: ctlr, i, udaddr->udasa, udasr_bits); ! 1316: udasaerror(um, 0); ! 1317: sc->sc_state = ST_IDLE; ! 1318: if (sc->sc_flags & SC_DOWAKE) { ! 1319: sc->sc_flags &= ~SC_DOWAKE; ! 1320: wakeup((caddr_t)sc); ! 1321: } ! 1322: return; ! 1323: } ! 1324: udaddr->udasa = (int)&sc->sc_uda->uda_ca.ca_rspdsc[0] | ! 1325: (cpu == VAX_780 || cpu == VAX_8600 ? UDA_PI : 0); ! 1326: sc->sc_state = ST_STEP2; ! 1327: return; ! 1328: ! 1329: case ST_STEP2: ! 1330: /* ! 1331: * Begin step 3 initialisation. ! 1332: */ ! 1333: if ((udaddr->udasa & STEP2MASK) != STEP2GOOD) { ! 1334: i = 2; ! 1335: goto initfailed; ! 1336: } ! 1337: udaddr->udasa = ((int)&sc->sc_uda->uda_ca.ca_rspdsc[0]) >> 16; ! 1338: sc->sc_state = ST_STEP3; ! 1339: return; ! 1340: ! 1341: case ST_STEP3: ! 1342: /* ! 1343: * Set controller characteristics (finish initialisation). ! 1344: */ ! 1345: if ((udaddr->udasa & STEP3MASK) != STEP3GOOD) { ! 1346: i = 3; ! 1347: goto initfailed; ! 1348: } ! 1349: i = udaddr->udasa & 0xff; ! 1350: if (i != sc->sc_micro) { ! 1351: sc->sc_micro = i; ! 1352: printf("uda%d: version %d model %d\n", ! 1353: ctlr, i & 0xf, i >> 4); ! 1354: } ! 1355: ! 1356: /* ! 1357: * Present the burst size, then remove it. Why this ! 1358: * should be done this way, I have no idea. ! 1359: * ! 1360: * Note that this assumes udaburst[ctlr] > 0. ! 1361: */ ! 1362: udaddr->udasa = UDA_GO | (udaburst[ctlr] - 1) << 2; ! 1363: udaddr->udasa = UDA_GO; ! 1364: printf("uda%d: DMA burst size set to %d\n", ! 1365: ctlr, udaburst[ctlr]); ! 1366: ! 1367: udainitds(ctlr); /* initialise data structures */ ! 1368: ! 1369: /* ! 1370: * Before we can get a command packet, we need some ! 1371: * credits. Fake some up to keep mscp_getcp() happy, ! 1372: * get a packet, and cancel all credits (the right ! 1373: * number should come back in the response to the ! 1374: * SCC packet). ! 1375: */ ! 1376: sc->sc_mi.mi_credits = MSCP_MINCREDITS + 1; ! 1377: mp = mscp_getcp(&sc->sc_mi, MSCP_DONTWAIT); ! 1378: if (mp == NULL) /* `cannot happen' */ ! 1379: panic("udaintr"); ! 1380: sc->sc_mi.mi_credits = 0; ! 1381: mp->mscp_opcode = M_OP_SETCTLRC; ! 1382: mp->mscp_unit = 0; ! 1383: mp->mscp_sccc.sccc_ctlrflags = M_CF_ATTN | M_CF_MISC | ! 1384: M_CF_THIS; ! 1385: *mp->mscp_addr |= MSCP_OWN | MSCP_INT; ! 1386: i = udaddr->udaip; ! 1387: sc->sc_state = ST_SETCHAR; ! 1388: return; ! 1389: ! 1390: case ST_SETCHAR: ! 1391: case ST_RUN: ! 1392: /* ! 1393: * Handle Set Ctlr Characteristics responses and operational ! 1394: * responses (via mscp_dorsp). ! 1395: */ ! 1396: break; ! 1397: ! 1398: default: ! 1399: printf("uda%d: driver bug, state %d\n", ctlr, sc->sc_state); ! 1400: panic("udastate"); ! 1401: } ! 1402: ! 1403: if (udaddr->udasa & UDA_ERR) { /* ctlr fatal error */ ! 1404: udasaerror(um, 1); ! 1405: return; ! 1406: } ! 1407: ! 1408: ud = &uda[ctlr]; ! 1409: ! 1410: /* ! 1411: * Handle buffer purge requests. ! 1412: */ ! 1413: if (ud->uda_ca.ca_bdp) { ! 1414: UBAPURGE(um->um_hd->uh_uba, ud->uda_ca.ca_bdp); ! 1415: ud->uda_ca.ca_bdp = 0; ! 1416: udaddr->udasa = 0; /* signal purge complete */ ! 1417: } ! 1418: ! 1419: /* ! 1420: * Check for response and command ring transitions. ! 1421: */ ! 1422: if (ud->uda_ca.ca_rspint) { ! 1423: ud->uda_ca.ca_rspint = 0; ! 1424: mscp_dorsp(&sc->sc_mi); ! 1425: } ! 1426: if (ud->uda_ca.ca_cmdint) { ! 1427: ud->uda_ca.ca_cmdint = 0; ! 1428: MSCP_DOCMD(&sc->sc_mi); ! 1429: } ! 1430: udastart(um); ! 1431: } ! 1432: ! 1433: /* ! 1434: * Initialise the various data structures that control the UDA50. ! 1435: */ ! 1436: udainitds(ctlr) ! 1437: int ctlr; ! 1438: { ! 1439: register struct uda *ud = &uda[ctlr]; ! 1440: register struct uda *uud = uda_softc[ctlr].sc_uda; ! 1441: register struct mscp *mp; ! 1442: register int i; ! 1443: ! 1444: for (i = 0, mp = ud->uda_rsp; i < NRSP; i++, mp++) { ! 1445: ud->uda_ca.ca_rspdsc[i] = MSCP_OWN | MSCP_INT | ! 1446: (long)&uud->uda_rsp[i].mscp_cmdref; ! 1447: mp->mscp_addr = &ud->uda_ca.ca_rspdsc[i]; ! 1448: mp->mscp_msglen = MSCP_MSGLEN; ! 1449: } ! 1450: for (i = 0, mp = ud->uda_cmd; i < NCMD; i++, mp++) { ! 1451: ud->uda_ca.ca_cmddsc[i] = MSCP_INT | ! 1452: (long)&uud->uda_cmd[i].mscp_cmdref; ! 1453: mp->mscp_addr = &ud->uda_ca.ca_cmddsc[i]; ! 1454: mp->mscp_msglen = MSCP_MSGLEN; ! 1455: } ! 1456: } ! 1457: ! 1458: /* ! 1459: * Handle an error datagram. ! 1460: */ ! 1461: udadgram(mi, mp) ! 1462: struct mscp_info *mi; ! 1463: struct mscp *mp; ! 1464: { ! 1465: ! 1466: mscp_decodeerror(mi->mi_md->md_mname, mi->mi_ctlr, mp); ! 1467: /* ! 1468: * SDI status information bytes 10 and 11 are the microprocessor ! 1469: * error code and front panel code respectively. These vary per ! 1470: * drive type and are printed purely for field service information. ! 1471: */ ! 1472: if (mp->mscp_format == M_FM_SDI) ! 1473: printf("\tsdi uproc error code 0x%x, front panel code 0x%x\n", ! 1474: mp->mscp_erd.erd_sdistat[10], ! 1475: mp->mscp_erd.erd_sdistat[11]); ! 1476: } ! 1477: ! 1478: /* ! 1479: * The Set Controller Characteristics command finished. ! 1480: * Record the new state of the controller. ! 1481: */ ! 1482: udactlrdone(mi, mp) ! 1483: register struct mscp_info *mi; ! 1484: struct mscp *mp; ! 1485: { ! 1486: register struct uda_softc *sc = &uda_softc[mi->mi_ctlr]; ! 1487: ! 1488: if ((mp->mscp_status & M_ST_MASK) == M_ST_SUCCESS) ! 1489: sc->sc_state = ST_RUN; ! 1490: else { ! 1491: printf("uda%d: SETCTLRC failed: ", ! 1492: mi->mi_ctlr, mp->mscp_status); ! 1493: mscp_printevent(mp); ! 1494: sc->sc_state = ST_IDLE; ! 1495: } ! 1496: if (sc->sc_flags & SC_DOWAKE) { ! 1497: sc->sc_flags &= ~SC_DOWAKE; ! 1498: wakeup((caddr_t)sc); ! 1499: } ! 1500: } ! 1501: ! 1502: /* ! 1503: * Received a response from an as-yet unconfigured drive. Configure it ! 1504: * in, if possible. ! 1505: */ ! 1506: udaunconf(mi, mp) ! 1507: struct mscp_info *mi; ! 1508: register struct mscp *mp; ! 1509: { ! 1510: ! 1511: /* ! 1512: * If it is a slave response, copy it to udaslavereply for ! 1513: * udaslave() to look at. ! 1514: */ ! 1515: if (mp->mscp_opcode == (M_OP_GETUNITST | M_OP_END) && ! 1516: (uda_softc[mi->mi_ctlr].sc_flags & SC_INSLAVE) != 0) { ! 1517: udaslavereply = *mp; ! 1518: return (MSCP_DONE); ! 1519: } ! 1520: ! 1521: /* ! 1522: * Otherwise, it had better be an available attention response. ! 1523: */ ! 1524: if (mp->mscp_opcode != M_OP_AVAILATTN) ! 1525: return (MSCP_FAILED); ! 1526: ! 1527: /* do what autoconf does */ ! 1528: return (MSCP_FAILED); /* not yet, arwhite, not yet */ ! 1529: } ! 1530: ! 1531: /* ! 1532: * A drive came on line. Check its type and size. Return DONE if ! 1533: * we think the drive is truly on line. In any case, awaken anyone ! 1534: * sleeping on the drive on-line-ness. ! 1535: */ ! 1536: udaonline(ui, mp) ! 1537: register struct uba_device *ui; ! 1538: struct mscp *mp; ! 1539: { ! 1540: register struct ra_info *ra = &ra_info[ui->ui_unit]; ! 1541: ! 1542: wakeup((caddr_t)&ui->ui_flags); ! 1543: if ((mp->mscp_status & M_ST_MASK) != M_ST_SUCCESS) { ! 1544: printf("uda%d: attempt to bring ra%d on line failed: ", ! 1545: ui->ui_ctlr, ui->ui_unit); ! 1546: mscp_printevent(mp); ! 1547: ra->ra_state = CLOSED; ! 1548: return (MSCP_FAILED); ! 1549: } ! 1550: ! 1551: ra->ra_state = OPENRAW; ! 1552: ra->ra_dsize = (daddr_t)mp->mscp_onle.onle_unitsize; ! 1553: if (!cold) ! 1554: printf("ra%d: uda%d, unit %d, size = %d sectors\n", ui->ui_unit, ! 1555: ui->ui_ctlr, mp->mscp_unit, ra->ra_dsize); ! 1556: /* can now compute ncyl */ ! 1557: ra->ra_geom.rg_ncyl = ra->ra_dsize / ra->ra_geom.rg_ntracks / ! 1558: ra->ra_geom.rg_nsectors; ! 1559: return (MSCP_DONE); ! 1560: } ! 1561: ! 1562: /* ! 1563: * We got some (configured) unit's status. Return DONE if it succeeded. ! 1564: */ ! 1565: udagotstatus(ui, mp) ! 1566: register struct uba_device *ui; ! 1567: register struct mscp *mp; ! 1568: { ! 1569: ! 1570: if ((mp->mscp_status & M_ST_MASK) != M_ST_SUCCESS) { ! 1571: printf("uda%d: attempt to get status for ra%d failed: ", ! 1572: ui->ui_ctlr, ui->ui_unit); ! 1573: mscp_printevent(mp); ! 1574: return (MSCP_FAILED); ! 1575: } ! 1576: /* record for (future) bad block forwarding and whatever else */ ! 1577: uda_rasave(ui->ui_unit, mp, 1); ! 1578: return (MSCP_DONE); ! 1579: } ! 1580: ! 1581: /* ! 1582: * A transfer failed. We get a chance to fix or restart it. ! 1583: * Need to write the bad block forwaring code first.... ! 1584: */ ! 1585: /*ARGSUSED*/ ! 1586: udaioerror(ui, mp, bp) ! 1587: register struct uba_device *ui; ! 1588: register struct mscp *mp; ! 1589: struct buf *bp; ! 1590: { ! 1591: ! 1592: if (mp->mscp_flags & M_EF_BBLKR) { ! 1593: /* ! 1594: * A bad block report. Eventually we will ! 1595: * restart this transfer, but for now, just ! 1596: * log it and give up. ! 1597: */ ! 1598: log(LOG_ERR, "ra%d: bad block report: %d%s\n", ! 1599: ui->ui_unit, mp->mscp_seq.seq_lbn, ! 1600: mp->mscp_flags & M_EF_BBLKU ? " + others" : ""); ! 1601: } else { ! 1602: /* ! 1603: * What the heck IS a `serious exception' anyway? ! 1604: * IT SURE WOULD BE NICE IF DEC SOLD DOCUMENTATION ! 1605: * FOR THEIR OWN CONTROLLERS. ! 1606: */ ! 1607: if (mp->mscp_flags & M_EF_SEREX) ! 1608: log(LOG_ERR, "ra%d: serious exception reported\n", ! 1609: ui->ui_unit); ! 1610: } ! 1611: return (MSCP_FAILED); ! 1612: } ! 1613: ! 1614: /* ! 1615: * A replace operation finished. ! 1616: */ ! 1617: /*ARGSUSED*/ ! 1618: udareplace(ui, mp) ! 1619: struct uba_device *ui; ! 1620: struct mscp *mp; ! 1621: { ! 1622: ! 1623: panic("udareplace"); ! 1624: } ! 1625: ! 1626: /* ! 1627: * A bad block related operation finished. ! 1628: */ ! 1629: /*ARGSUSED*/ ! 1630: udabb(ui, mp, bp) ! 1631: struct uba_device *ui; ! 1632: struct mscp *mp; ! 1633: struct buf *bp; ! 1634: { ! 1635: ! 1636: panic("udabb"); ! 1637: } ! 1638: ! 1639: ! 1640: /* ! 1641: * I/O controls. ! 1642: */ ! 1643: udaioctl(dev, cmd, data, flag) ! 1644: dev_t dev; ! 1645: int cmd; ! 1646: caddr_t data; ! 1647: int flag; ! 1648: { ! 1649: register int unit = udaunit(dev); ! 1650: register struct disklabel *lp; ! 1651: register struct ra_info *ra = &ra_info[unit]; ! 1652: int error = 0; ! 1653: ! 1654: lp = &udalabel[unit]; ! 1655: ! 1656: switch (cmd) { ! 1657: ! 1658: case DIOCGDINFO: ! 1659: *(struct disklabel *)data = *lp; ! 1660: break; ! 1661: ! 1662: case DIOCGPART: ! 1663: ((struct partinfo *)data)->disklab = lp; ! 1664: ((struct partinfo *)data)->part = ! 1665: &lp->d_partitions[udapart(dev)]; ! 1666: break; ! 1667: ! 1668: case DIOCSDINFO: ! 1669: if ((flag & FWRITE) == 0) ! 1670: error = EBADF; ! 1671: else ! 1672: error = setdisklabel(lp, (struct disklabel *)data, ! 1673: (ra->ra_state == OPENRAW) ? 0 : ra->ra_openpart); ! 1674: break; ! 1675: ! 1676: case DIOCWLABEL: ! 1677: if ((flag & FWRITE) == 0) ! 1678: error = EBADF; ! 1679: else ! 1680: ra->ra_wlabel = *(int *)data; ! 1681: break; ! 1682: ! 1683: case DIOCWDINFO: ! 1684: if ((flag & FWRITE) == 0) ! 1685: error = EBADF; ! 1686: else if ((error = setdisklabel(lp, (struct disklabel *)data, ! 1687: (ra->ra_state == OPENRAW) ? 0 : ra->ra_openpart)) == 0) { ! 1688: int wlab; ! 1689: ! 1690: ra->ra_state = OPEN; ! 1691: /* simulate opening partition 0 so write succeeds */ ! 1692: ra->ra_openpart |= (1 << 0); /* XXX */ ! 1693: wlab = ra->ra_wlabel; ! 1694: ra->ra_wlabel = 1; ! 1695: error = writedisklabel(dev, udastrategy, lp); ! 1696: ra->ra_openpart = ra->ra_copenpart | ra->ra_bopenpart; ! 1697: ra->ra_wlabel = wlab; ! 1698: } ! 1699: break; ! 1700: ! 1701: #ifdef notyet ! 1702: case UDAIOCREPLACE: ! 1703: /* ! 1704: * Initiate bad block replacement for the given LBN. ! 1705: * (Should we allow modifiers?) ! 1706: */ ! 1707: error = EOPNOTSUPP; ! 1708: break; ! 1709: ! 1710: case UDAIOCGMICRO: ! 1711: /* ! 1712: * Return the microcode revision for the UDA50 running ! 1713: * this drive. ! 1714: */ ! 1715: *(int *)data = uda_softc[uddinfo[unit]->ui_ctlr].sc_micro; ! 1716: break; ! 1717: #endif ! 1718: ! 1719: default: ! 1720: error = ENOTTY; ! 1721: break; ! 1722: } ! 1723: return (error); ! 1724: } ! 1725: ! 1726: /* ! 1727: * A Unibus reset has occurred on UBA uban. Reinitialise the controller(s) ! 1728: * on that Unibus, and requeue outstanding I/O. ! 1729: */ ! 1730: udareset(uban) ! 1731: int uban; ! 1732: { ! 1733: register struct uba_ctlr *um; ! 1734: register struct uda_softc *sc; ! 1735: register int ctlr; ! 1736: ! 1737: for (ctlr = 0, sc = uda_softc; ctlr < NUDA; ctlr++, sc++) { ! 1738: if ((um = udaminfo[ctlr]) == NULL || um->um_ubanum != uban || ! 1739: um->um_alive == 0) ! 1740: continue; ! 1741: printf(" uda%d", ctlr); ! 1742: ! 1743: /* ! 1744: * Our BDP (if any) is gone; our command (if any) is ! 1745: * flushed; the device is no longer mapped; and the ! 1746: * UDA50 is not yet initialised. ! 1747: */ ! 1748: if (um->um_bdp) { ! 1749: printf("<%d>", UBAI_BDP(um->um_bdp)); ! 1750: um->um_bdp = 0; ! 1751: } ! 1752: um->um_ubinfo = 0; ! 1753: um->um_cmd = 0; ! 1754: sc->sc_flags &= ~SC_MAPPED; ! 1755: sc->sc_state = ST_IDLE; ! 1756: ! 1757: /* reset queues and requeue pending transfers */ ! 1758: mscp_requeue(&sc->sc_mi); ! 1759: ! 1760: /* ! 1761: * If it fails to initialise we will notice later and ! 1762: * try again (and again...). Do not call udastart() ! 1763: * here; it will be done after the controller finishes ! 1764: * initialisation. ! 1765: */ ! 1766: if (udainit(ctlr)) ! 1767: printf(" (hung)"); ! 1768: } ! 1769: } ! 1770: ! 1771: /* ! 1772: * Watchdog timer: If the controller is active, and no interrupts ! 1773: * have occurred for 30 seconds, assume it has gone away. ! 1774: */ ! 1775: udawatch() ! 1776: { ! 1777: register int i; ! 1778: register struct uba_ctlr *um; ! 1779: register struct uda_softc *sc; ! 1780: ! 1781: timeout(udawatch, (caddr_t) 0, hz); /* every second */ ! 1782: for (i = 0, sc = uda_softc; i < NUDA; i++, sc++) { ! 1783: if ((um = udaminfo[i]) == 0 || !um->um_alive) ! 1784: continue; ! 1785: if (sc->sc_state == ST_IDLE) ! 1786: continue; ! 1787: if (sc->sc_state == ST_RUN && !um->um_tab.b_active) ! 1788: sc->sc_wticks = 0; ! 1789: else if (++sc->sc_wticks >= 30) { ! 1790: sc->sc_wticks = 0; ! 1791: printf("uda%d: lost interrupt\n", i); ! 1792: ubareset(um->um_ubanum); ! 1793: } ! 1794: } ! 1795: } ! 1796: ! 1797: /* ! 1798: * Do a panic dump. We set up the controller for one command packet ! 1799: * and one response packet, for which we use `struct uda1'. ! 1800: */ ! 1801: struct uda1 { ! 1802: struct uda1ca uda1_ca; /* communications area */ ! 1803: struct mscp uda1_rsp; /* response packet */ ! 1804: struct mscp uda1_cmd; /* command packet */ ! 1805: } uda1; ! 1806: ! 1807: #define DBSIZE 32 /* dump 16K at a time */ ! 1808: ! 1809: udadump(dev) ! 1810: dev_t dev; ! 1811: { ! 1812: struct udadevice *udaddr; ! 1813: struct uda1 *ud_ubaddr; ! 1814: char *start; ! 1815: int num, blk, unit, maxsz, blkoff, reg; ! 1816: struct partition *pp; ! 1817: register struct uba_regs *uba; ! 1818: register struct uba_device *ui; ! 1819: register struct uda1 *ud; ! 1820: register struct pte *io; ! 1821: register int i; ! 1822: ! 1823: /* ! 1824: * Make sure the device is a reasonable place on which to dump. ! 1825: */ ! 1826: unit = udaunit(dev); ! 1827: if (unit >= NRA) ! 1828: return (ENXIO); ! 1829: #define phys(cast, addr) ((cast) ((int)addr & 0x7fffffff)) ! 1830: ui = phys(struct uba_device *, udadinfo[unit]); ! 1831: if (ui == NULL || ui->ui_alive == 0) ! 1832: return (ENXIO); ! 1833: ! 1834: /* ! 1835: * Find and initialise the UBA; get the physical address of the ! 1836: * device registers, and of communications area and command and ! 1837: * response packet. ! 1838: */ ! 1839: uba = phys(struct uba_hd *, ui->ui_hd)->uh_physuba; ! 1840: ubainit(uba); ! 1841: udaddr = (struct udadevice *)ui->ui_physaddr; ! 1842: ud = phys(struct uda1 *, &uda1); ! 1843: ! 1844: /* ! 1845: * Map the ca+packets into Unibus I/O space so the UDA50 can get ! 1846: * at them. Use the registers at the end of the Unibus map (since ! 1847: * we will use the registers at the beginning to map the memory ! 1848: * we are dumping). ! 1849: */ ! 1850: num = btoc(sizeof(struct uda1)) + 1; ! 1851: reg = NUBMREG - num; ! 1852: io = &uba->uba_map[reg]; ! 1853: for (i = 0; i < num; i++) ! 1854: *(int *)io++ = UBAMR_MRV | (btop(ud) + i); ! 1855: ud_ubaddr = (struct uda1 *)(((int)ud & PGOFSET) | (reg << 9)); ! 1856: ! 1857: /* ! 1858: * Initialise the controller, with one command and one response ! 1859: * packet. ! 1860: */ ! 1861: udaddr->udaip = 0; ! 1862: if (udadumpwait(udaddr, UDA_STEP1)) ! 1863: return (EFAULT); ! 1864: udaddr->udasa = UDA_ERR; ! 1865: if (udadumpwait(udaddr, UDA_STEP2)) ! 1866: return (EFAULT); ! 1867: udaddr->udasa = (int)&ud_ubaddr->uda1_ca.ca_rspdsc; ! 1868: if (udadumpwait(udaddr, UDA_STEP3)) ! 1869: return (EFAULT); ! 1870: udaddr->udasa = ((int)&ud_ubaddr->uda1_ca.ca_rspdsc) >> 16; ! 1871: if (udadumpwait(udaddr, UDA_STEP4)) ! 1872: return (EFAULT); ! 1873: uda_softc[ui->ui_ctlr].sc_micro = udaddr->udasa & 0xff; ! 1874: udaddr->udasa = UDA_GO; ! 1875: ! 1876: /* ! 1877: * Set up the command and response descriptor, then set the ! 1878: * controller characteristics and bring the drive on line. ! 1879: * Note that all uninitialised locations in uda1_cmd are zero. ! 1880: */ ! 1881: ud->uda1_ca.ca_rspdsc = (long)&ud_ubaddr->uda1_rsp.mscp_cmdref; ! 1882: ud->uda1_ca.ca_cmddsc = (long)&ud_ubaddr->uda1_cmd.mscp_cmdref; ! 1883: /* ud->uda1_cmd.mscp_sccc.sccc_ctlrflags = 0; */ ! 1884: /* ud->uda1_cmd.mscp_sccc.sccc_version = 0; */ ! 1885: if (udadumpcmd(M_OP_SETCTLRC, ud, ui)) ! 1886: return (EFAULT); ! 1887: ud->uda1_cmd.mscp_unit = ui->ui_slave; ! 1888: if (udadumpcmd(M_OP_ONLINE, ud, ui)) ! 1889: return (EFAULT); ! 1890: ! 1891: pp = phys(struct partition *, ! 1892: &udalabel[unit].d_partitions[udapart(dev)]); ! 1893: maxsz = pp->p_size; ! 1894: blkoff = pp->p_offset; ! 1895: ! 1896: /* ! 1897: * Dump all of physical memory, or as much as will fit in the ! 1898: * space provided. ! 1899: */ ! 1900: start = 0; ! 1901: num = maxfree; ! 1902: if (dumplo < 0) ! 1903: return (EINVAL); ! 1904: if (dumplo + num >= maxsz) ! 1905: num = maxsz - dumplo; ! 1906: blkoff += dumplo; ! 1907: ! 1908: /* ! 1909: * Write out memory, DBSIZE pages at a time. ! 1910: * N.B.: this code depends on the fact that the sector ! 1911: * size == the page size. ! 1912: */ ! 1913: while (num > 0) { ! 1914: blk = num > DBSIZE ? DBSIZE : num; ! 1915: io = uba->uba_map; ! 1916: /* ! 1917: * Map in the pages to write, leaving an invalid entry ! 1918: * at the end to guard against wild Unibus transfers. ! 1919: * Then do the write. ! 1920: */ ! 1921: for (i = 0; i < blk; i++) ! 1922: *(int *)io++ = UBAMR_MRV | (btop(start) + i); ! 1923: *(int *)io = 0; ! 1924: ud->uda1_cmd.mscp_unit = ui->ui_slave; ! 1925: ud->uda1_cmd.mscp_seq.seq_lbn = btop(start) + blkoff; ! 1926: ud->uda1_cmd.mscp_seq.seq_bytecount = blk << PGSHIFT; ! 1927: if (udadumpcmd(M_OP_WRITE, ud, ui)) ! 1928: return (EIO); ! 1929: start += blk << PGSHIFT; ! 1930: num -= blk; ! 1931: } ! 1932: return (0); /* made it! */ ! 1933: } ! 1934: ! 1935: /* ! 1936: * Wait for some of the bits in `bits' to come on. If the error bit ! 1937: * comes on, or ten seconds pass without response, return true (error). ! 1938: */ ! 1939: udadumpwait(udaddr, bits) ! 1940: register struct udadevice *udaddr; ! 1941: register int bits; ! 1942: { ! 1943: register int timo = todr() + 1000; ! 1944: ! 1945: while ((udaddr->udasa & bits) == 0) { ! 1946: if (udaddr->udasa & UDA_ERR) { ! 1947: printf("udasa=%b\ndump ", udaddr->udasa, udasr_bits); ! 1948: return (1); ! 1949: } ! 1950: if (todr() >= timo) { ! 1951: printf("timeout\ndump "); ! 1952: return (1); ! 1953: } ! 1954: } ! 1955: return (0); ! 1956: } ! 1957: ! 1958: /* ! 1959: * Feed a command to the UDA50, wait for its response, and return ! 1960: * true iff something went wrong. ! 1961: */ ! 1962: udadumpcmd(op, ud, ui) ! 1963: int op; ! 1964: register struct uda1 *ud; ! 1965: struct uba_device *ui; ! 1966: { ! 1967: register struct udadevice *udaddr; ! 1968: register int n; ! 1969: #define mp (&ud->uda1_rsp) ! 1970: ! 1971: udaddr = (struct udadevice *)ui->ui_physaddr; ! 1972: ud->uda1_cmd.mscp_opcode = op; ! 1973: ud->uda1_cmd.mscp_msglen = MSCP_MSGLEN; ! 1974: ud->uda1_rsp.mscp_msglen = MSCP_MSGLEN; ! 1975: ud->uda1_ca.ca_rspdsc |= MSCP_OWN | MSCP_INT; ! 1976: ud->uda1_ca.ca_cmddsc |= MSCP_OWN | MSCP_INT; ! 1977: if (udaddr->udasa & UDA_ERR) { ! 1978: printf("udasa=%b\ndump ", udaddr->udasa, udasr_bits); ! 1979: return (1); ! 1980: } ! 1981: n = udaddr->udaip; ! 1982: n = todr() + 1000; ! 1983: for (;;) { ! 1984: if (todr() > n) { ! 1985: printf("timeout\ndump "); ! 1986: return (1); ! 1987: } ! 1988: if (ud->uda1_ca.ca_cmdint) ! 1989: ud->uda1_ca.ca_cmdint = 0; ! 1990: if (ud->uda1_ca.ca_rspint == 0) ! 1991: continue; ! 1992: ud->uda1_ca.ca_rspint = 0; ! 1993: if (mp->mscp_opcode == (op | M_OP_END)) ! 1994: break; ! 1995: printf("\n"); ! 1996: switch (MSCP_MSGTYPE(mp->mscp_msgtc)) { ! 1997: ! 1998: case MSCPT_SEQ: ! 1999: printf("sequential"); ! 2000: break; ! 2001: ! 2002: case MSCPT_DATAGRAM: ! 2003: mscp_decodeerror("uda", ui->ui_ctlr, mp); ! 2004: printf("datagram"); ! 2005: break; ! 2006: ! 2007: case MSCPT_CREDITS: ! 2008: printf("credits"); ! 2009: break; ! 2010: ! 2011: case MSCPT_MAINTENANCE: ! 2012: printf("maintenance"); ! 2013: break; ! 2014: ! 2015: default: ! 2016: printf("unknown (type 0x%x)", ! 2017: MSCP_MSGTYPE(mp->mscp_msgtc)); ! 2018: break; ! 2019: } ! 2020: printf(" ignored\ndump "); ! 2021: ud->uda1_ca.ca_rspdsc |= MSCP_OWN | MSCP_INT; ! 2022: } ! 2023: if ((mp->mscp_status & M_ST_MASK) != M_ST_SUCCESS) { ! 2024: printf("error: op 0x%x => 0x%x status 0x%x\ndump ", op, ! 2025: mp->mscp_opcode, mp->mscp_status); ! 2026: return (1); ! 2027: } ! 2028: return (0); ! 2029: #undef mp ! 2030: } ! 2031: ! 2032: /* ! 2033: * Return the size of a partition, if known, or -1 if not. ! 2034: */ ! 2035: udasize(dev) ! 2036: dev_t dev; ! 2037: { ! 2038: register int unit = udaunit(dev); ! 2039: register struct uba_device *ui; ! 2040: ! 2041: if (unit >= NRA || (ui = udadinfo[unit]) == NULL || ! 2042: ui->ui_alive == 0 || (ui->ui_flags & UNIT_ONLINE) == 0 || ! 2043: ra_info[unit].ra_state != OPEN) ! 2044: return (-1); ! 2045: return ((int)udalabel[unit].d_partitions[udapart(dev)].p_size); ! 2046: } ! 2047: ! 2048: #ifdef COMPAT_42 ! 2049: /* ! 2050: * Tables mapping unlabelled drives. ! 2051: */ ! 2052: struct size { ! 2053: daddr_t nblocks; ! 2054: daddr_t blkoff; ! 2055: } ra60_sizes[8] = { ! 2056: 15884, 0, /* A=sectors 0 thru 15883 */ ! 2057: 33440, 15884, /* B=sectors 15884 thru 49323 */ ! 2058: 400176, 0, /* C=sectors 0 thru 400175 */ ! 2059: 82080, 49324, /* 4.2 G => D=sectors 49324 thru 131403 */ ! 2060: 268772, 131404, /* 4.2 H => E=sectors 131404 thru 400175 */ ! 2061: 350852, 49324, /* F=sectors 49324 thru 400175 */ ! 2062: 157570, 242606, /* UCB G => G=sectors 242606 thru 400175 */ ! 2063: 193282, 49324, /* UCB H => H=sectors 49324 thru 242605 */ ! 2064: }, ra70_sizes[8] = { ! 2065: 15884, 0, /* A=blk 0 thru 15883 */ ! 2066: 33440, 15972, /* B=blk 15972 thru 49323 */ ! 2067: -1, 0, /* C=blk 0 thru end */ ! 2068: 15884, 341220, /* D=blk 341220 thru 357103 */ ! 2069: 55936, 357192, /* E=blk 357192 thru 413127 */ ! 2070: -1, 413457, /* F=blk 413457 thru end */ ! 2071: -1, 341220, /* G=blk 341220 thru end */ ! 2072: 291346, 49731, /* H=blk 49731 thru 341076 */ ! 2073: }, ra80_sizes[8] = { ! 2074: 15884, 0, /* A=sectors 0 thru 15883 */ ! 2075: 33440, 15884, /* B=sectors 15884 thru 49323 */ ! 2076: 242606, 0, /* C=sectors 0 thru 242605 */ ! 2077: 0, 0, /* D=unused */ ! 2078: 193282, 49324, /* UCB H => E=sectors 49324 thru 242605 */ ! 2079: 82080, 49324, /* 4.2 G => F=sectors 49324 thru 131403 */ ! 2080: 192696, 49910, /* G=sectors 49910 thru 242605 */ ! 2081: 111202, 131404, /* 4.2 H => H=sectors 131404 thru 242605 */ ! 2082: }, ra81_sizes[8] ={ ! 2083: #ifdef MARYLAND ! 2084: #ifdef ENEEVAX ! 2085: 30706, 0, /* A=cyl 0 thru 42 + 2 sectors */ ! 2086: 40696, 30706, /* B=cyl 43 thru 99 - 2 sectors */ ! 2087: -1, 0, /* C=cyl 0 thru 1247 */ ! 2088: -1, 71400, /* D=cyl 100 thru 1247 */ ! 2089: ! 2090: 15884, 0, /* E=blk 0 thru 15883 */ ! 2091: 33440, 15884, /* F=blk 15884 thru 49323 */ ! 2092: 82080, 49324, /* G=blk 49324 thru 131403 */ ! 2093: -1, 131404, /* H=blk 131404 thru end */ ! 2094: #else ! 2095: 67832, 0, /* A=cyl 0 thru 94 + 2 sectors */ ! 2096: 67828, 67832, /* B=cyl 95 thru 189 - 2 sectors */ ! 2097: -1, 0, /* C=cyl 0 thru 1247 */ ! 2098: -1, 135660, /* D=cyl 190 thru 1247 */ ! 2099: 0, 0, ! 2100: 0, 0, ! 2101: 0, 0, ! 2102: 0, 0, ! 2103: #endif ENEEVAX ! 2104: #else ! 2105: /* ! 2106: * These are the new standard partition sizes for ra81's. ! 2107: * An RA_COMPAT system is compiled with D, E, and F corresponding ! 2108: * to the 4.2 partitions for G, H, and F respectively. ! 2109: */ ! 2110: #ifndef UCBRA ! 2111: 15884, 0, /* A=sectors 0 thru 15883 */ ! 2112: 66880, 16422, /* B=sectors 16422 thru 83301 */ ! 2113: 891072, 0, /* C=sectors 0 thru 891071 */ ! 2114: #ifdef RA_COMPAT ! 2115: 82080, 49324, /* 4.2 G => D=sectors 49324 thru 131403 */ ! 2116: 759668, 131404, /* 4.2 H => E=sectors 131404 thru 891071 */ ! 2117: 478582, 412490, /* 4.2 F => F=sectors 412490 thru 891071 */ ! 2118: #else ! 2119: 15884, 375564, /* D=sectors 375564 thru 391447 */ ! 2120: 307200, 391986, /* E=sectors 391986 thru 699185 */ ! 2121: 191352, 699720, /* F=sectors 699720 thru 891071 */ ! 2122: #endif RA_COMPAT ! 2123: 515508, 375564, /* G=sectors 375564 thru 891071 */ ! 2124: 291346, 83538, /* H=sectors 83538 thru 374883 */ ! 2125: ! 2126: /* ! 2127: * These partitions correspond to the sizes used by sites at Berkeley, ! 2128: * and by those sites that have received copies of the Berkeley driver ! 2129: * with deltas 6.2 or greater (11/15/83). ! 2130: */ ! 2131: #else UCBRA ! 2132: ! 2133: 15884, 0, /* A=sectors 0 thru 15883 */ ! 2134: 33440, 15884, /* B=sectors 15884 thru 49323 */ ! 2135: 891072, 0, /* C=sectors 0 thru 891071 */ ! 2136: 15884, 242606, /* D=sectors 242606 thru 258489 */ ! 2137: 307200, 258490, /* E=sectors 258490 thru 565689 */ ! 2138: 325382, 565690, /* F=sectors 565690 thru 891071 */ ! 2139: 648466, 242606, /* G=sectors 242606 thru 891071 */ ! 2140: 193282, 49324, /* H=sectors 49324 thru 242605 */ ! 2141: ! 2142: #endif UCBRA ! 2143: #endif MARYLAND ! 2144: }, ra82_sizes[8] = { ! 2145: 15884, 0, /* A=blk 0 thru 15883 */ ! 2146: 66880, 16245, /* B=blk 16245 thru 83124 */ ! 2147: -1, 0, /* C=blk 0 thru end */ ! 2148: 15884, 375345, /* D=blk 375345 thru 391228 */ ! 2149: 307200, 391590, /* E=blk 391590 thru 698789 */ ! 2150: -1, 699390, /* F=blk 699390 thru end */ ! 2151: -1, 375345, /* G=blk 375345 thru end */ ! 2152: 291346, 83790, /* H=blk 83790 thru 375135 */ ! 2153: }, rc25_sizes[8] = { ! 2154: 15884, 0, /* A=blk 0 thru 15883 */ ! 2155: 10032, 15884, /* B=blk 15884 thru 49323 */ ! 2156: -1, 0, /* C=blk 0 thru end */ ! 2157: 0, 0, /* D=blk 340670 thru 356553 */ ! 2158: 0, 0, /* E=blk 356554 thru 412489 */ ! 2159: 0, 0, /* F=blk 412490 thru end */ ! 2160: -1, 25916, /* G=blk 49324 thru 131403 */ ! 2161: 0, 0, /* H=blk 131404 thru end */ ! 2162: }, rd52_sizes[8] = { ! 2163: 15884, 0, /* A=blk 0 thru 15883 */ ! 2164: 9766, 15884, /* B=blk 15884 thru 25649 */ ! 2165: -1, 0, /* C=blk 0 thru end */ ! 2166: 0, 0, /* D=unused */ ! 2167: 0, 0, /* E=unused */ ! 2168: 0, 0, /* F=unused */ ! 2169: -1, 25650, /* G=blk 25650 thru end */ ! 2170: 0, 0, /* H=unused */ ! 2171: }, rd53_sizes[8] = { ! 2172: 15884, 0, /* A=blk 0 thru 15883 */ ! 2173: 33440, 15884, /* B=blk 15884 thru 49323 */ ! 2174: -1, 0, /* C=blk 0 thru end */ ! 2175: 0, 0, /* D=unused */ ! 2176: 33440, 0, /* E=blk 0 thru 33439 */ ! 2177: -1, 33440, /* F=blk 33440 thru end */ ! 2178: -1, 49324, /* G=blk 49324 thru end */ ! 2179: -1, 15884, /* H=blk 15884 thru end */ ! 2180: }, rx50_sizes[8] = { ! 2181: 800, 0, /* A=blk 0 thru 799 */ ! 2182: 0, 0, ! 2183: -1, 0, /* C=blk 0 thru end */ ! 2184: 0, 0, ! 2185: 0, 0, ! 2186: 0, 0, ! 2187: 0, 0, ! 2188: 0, 0, ! 2189: }; ! 2190: ! 2191: /* ! 2192: * Media ID decoding table. ! 2193: */ ! 2194: struct udatypes { ! 2195: u_long ut_id; /* media drive ID */ ! 2196: char *ut_name; /* drive type name */ ! 2197: struct size *ut_sizes; /* partition tables */ ! 2198: int ut_nsectors, ut_ntracks, ut_ncylinders; ! 2199: } udatypes[] = { ! 2200: { MSCP_MKDRIVE2('R', 'A', 60), "ra60", ra60_sizes, 42, 4, 2382 }, ! 2201: { MSCP_MKDRIVE2('R', 'A', 70), "ra70", ra70_sizes, 33, 11, 1507 }, ! 2202: { MSCP_MKDRIVE2('R', 'A', 80), "ra80", ra80_sizes, 31, 14, 559 }, ! 2203: { MSCP_MKDRIVE2('R', 'A', 81), "ra81", ra81_sizes, 51, 14, 1248 }, ! 2204: { MSCP_MKDRIVE2('R', 'A', 82), "ra82", ra82_sizes, 57, 14, 1423 }, ! 2205: { MSCP_MKDRIVE2('R', 'C', 25), "rc25-removable", ! 2206: rc25_sizes, 42, 4, 302 }, ! 2207: { MSCP_MKDRIVE3('R', 'C', 'F', 25), "rc25-fixed", ! 2208: rc25_sizes, 42, 4, 302 }, ! 2209: { MSCP_MKDRIVE2('R', 'D', 52), "rd52", rd52_sizes, 18, 7, 480 }, ! 2210: { MSCP_MKDRIVE2('R', 'D', 53), "rd53", rd53_sizes, 18, 8, 963 }, ! 2211: { MSCP_MKDRIVE2('R', 'X', 50), "rx50", rx50_sizes, 10, 1, 80 }, ! 2212: 0 ! 2213: }; ! 2214: ! 2215: #define NTYPES (sizeof(udatypes) / sizeof(*udatypes)) ! 2216: ! 2217: udamaptype(unit, lp) ! 2218: int unit; ! 2219: register struct disklabel *lp; ! 2220: { ! 2221: register struct udatypes *ut; ! 2222: register struct size *sz; ! 2223: register struct partition *pp; ! 2224: register char *p; ! 2225: register int i; ! 2226: register struct ra_info *ra = &ra_info[unit]; ! 2227: ! 2228: lp->d_secsize = 512; ! 2229: lp->d_secperunit = ra->ra_dsize; ! 2230: i = MSCP_MEDIA_DRIVE(ra->ra_mediaid); ! 2231: for (ut = udatypes; ut->ut_id; ut++) ! 2232: if (ut->ut_id == i) ! 2233: goto found; ! 2234: ! 2235: /* not one we know; fake up a label for the whole drive */ ! 2236: lp->d_nsectors = ra->ra_geom.rg_nsectors; ! 2237: lp->d_ntracks = ra->ra_geom.rg_ntracks; ! 2238: lp->d_ncylinders = ra->ra_geom.rg_ncyl; ! 2239: i = ra->ra_mediaid; /* print the port type too */ ! 2240: if (!cold) ! 2241: log(LOG_ERR, "ra%d", unit); ! 2242: addlog(": don't have a partition table for %c%c %c%c%c%d;\n\ ! 2243: using (s,t,c)=(%d,%d,%d)", ! 2244: MSCP_MID_CHAR(4, i), MSCP_MID_CHAR(3, i), ! 2245: MSCP_MID_CHAR(2, i), MSCP_MID_CHAR(1, i), ! 2246: MSCP_MID_CHAR(0, i), MSCP_MID_CHAR(0, i), ! 2247: MSCP_MID_NUM(i), lp->d_nsectors, ! 2248: lp->d_ntracks, lp->d_ncylinders); ! 2249: if (!cold) ! 2250: addlog("\n"); ! 2251: lp->d_secpercyl = lp->d_nsectors * lp->d_ntracks; ! 2252: lp->d_typename[0] = 'r'; ! 2253: lp->d_typename[1] = 'a'; ! 2254: lp->d_typename[2] = '?'; ! 2255: lp->d_typename[3] = '?'; ! 2256: lp->d_typename[4] = 0; ! 2257: lp->d_npartitions = 1; ! 2258: lp->d_partitions[0].p_offset = 0; ! 2259: lp->d_partitions[0].p_size = lp->d_secperunit; ! 2260: return (0); ! 2261: found: ! 2262: p = ut->ut_name; ! 2263: for (i = 0; i < sizeof(lp->d_typename) - 1 && *p; i++) ! 2264: lp->d_typename[i] = *p++; ! 2265: lp->d_typename[i] = 0; ! 2266: sz = ut->ut_sizes; ! 2267: /* GET nsectors, ntracks, ncylinders FROM SAVED GEOMETRY? */ ! 2268: lp->d_nsectors = ut->ut_nsectors; ! 2269: lp->d_ntracks = ut->ut_ntracks; ! 2270: lp->d_ncylinders = ut->ut_ncylinders; ! 2271: lp->d_npartitions = 8; ! 2272: lp->d_secpercyl = lp->d_nsectors * lp->d_ntracks; ! 2273: for (pp = lp->d_partitions; pp < &lp->d_partitions[8]; pp++, sz++) { ! 2274: pp->p_offset = sz->blkoff; ! 2275: if ((pp->p_size = sz->nblocks) == (u_long)-1) ! 2276: pp->p_size = ra->ra_dsize - sz->blkoff; ! 2277: } ! 2278: return (1); ! 2279: } ! 2280: #endif /* COMPAT_42 */ ! 2281: #endif /* NUDA > 0 */
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