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1.1 ! root 1: /* ! 2: * Copyright (c) 1988 University of Utah. ! 3: * Copyright (c) 1982, 1990 The Regents of the University of California. ! 4: * All rights reserved. ! 5: * ! 6: * This code is derived from software contributed to Berkeley by ! 7: * the Systems Programming Group of the University of Utah Computer ! 8: * Science Department. ! 9: * ! 10: * Redistribution and use in source and binary forms, with or without ! 11: * modification, are permitted provided that the following conditions ! 12: * are met: ! 13: * 1. Redistributions of source code must retain the above copyright ! 14: * notice, this list of conditions and the following disclaimer. ! 15: * 2. Redistributions in binary form must reproduce the above copyright ! 16: * notice, this list of conditions and the following disclaimer in the ! 17: * documentation and/or other materials provided with the distribution. ! 18: * 3. All advertising materials mentioning features or use of this software ! 19: * must display the following acknowledgement: ! 20: * This product includes software developed by the University of ! 21: * California, Berkeley and its contributors. ! 22: * 4. Neither the name of the University nor the names of its contributors ! 23: * may be used to endorse or promote products derived from this software ! 24: * without specific prior written permission. ! 25: * ! 26: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ! 27: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE ! 28: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ! 29: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE ! 30: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL ! 31: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS ! 32: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ! 33: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT ! 34: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY ! 35: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF ! 36: * SUCH DAMAGE. ! 37: * ! 38: * from: Utah $Hdr: rd.c 1.38 90/10/12$ ! 39: * ! 40: * @(#)rd.c 7.9 (Berkeley) 5/7/91 ! 41: */ ! 42: ! 43: /* ! 44: * CS80/SS80 disk driver ! 45: */ ! 46: #include "rd.h" ! 47: #if NRD > 0 ! 48: ! 49: #include "sys/param.h" ! 50: #include "sys/systm.h" ! 51: #include "sys/errno.h" ! 52: #include "sys/dkstat.h" ! 53: #include "sys/disklabel.h" ! 54: #include "sys/buf.h" ! 55: #include "sys/uio.h" ! 56: ! 57: #include "device.h" ! 58: #include "rdreg.h" ! 59: ! 60: #include "vm/vm_param.h" ! 61: #include "vm/lock.h" ! 62: #include "vm/vm_statistics.h" ! 63: #include "vm/pmap.h" ! 64: #include "vm/vm_prot.h" ! 65: ! 66: int rdinit(), rdstart(), rdgo(), rdintr(); ! 67: struct driver rddriver = { ! 68: rdinit, "rd", rdstart, rdgo, rdintr, ! 69: }; ! 70: ! 71: struct rd_softc { ! 72: struct hp_device *sc_hd; ! 73: int sc_flags; ! 74: short sc_type; ! 75: short sc_punit; ! 76: char *sc_addr; ! 77: int sc_resid; ! 78: u_int sc_wpms; ! 79: struct rdinfo *sc_info; ! 80: struct devqueue sc_dq; ! 81: struct rd_iocmd sc_ioc; ! 82: struct rd_rscmd sc_rsc; ! 83: struct rd_stat sc_stat; ! 84: struct rd_ssmcmd sc_ssmc; ! 85: struct rd_srcmd sc_src; ! 86: struct rd_clearcmd sc_clear; ! 87: } rd_softc[NRD]; ! 88: ! 89: /* sc_flags values */ ! 90: #define RDF_ALIVE 0x1 ! 91: #define RDF_SEEK 0x2 ! 92: #define RDF_SWAIT 0x4 ! 93: ! 94: struct size { ! 95: daddr_t nblocks; ! 96: int cyloff; ! 97: }; ! 98: ! 99: #ifdef DEBUG ! 100: int rddebug = 0x80; ! 101: #define RDB_FOLLOW 0x01 ! 102: #define RDB_STATUS 0x02 ! 103: #define RDB_IDENT 0x04 ! 104: #define RDB_IO 0x08 ! 105: #define RDB_ASYNC 0x10 ! 106: #define RDB_ERROR 0x80 ! 107: #define RDB_DUMP 0x80000000 ! 108: ! 109: struct rdstats { ! 110: long rdretries; ! 111: long rdresets; ! 112: long rdtimeouts; ! 113: long rdpolltries; ! 114: long rdpollwaits; ! 115: } rdstats[NRD]; ! 116: ! 117: /* error message tables */ ! 118: char *err_reject[] = { ! 119: 0, 0, ! 120: "channel parity error", /* 0x2000 */ ! 121: 0, 0, ! 122: "illegal opcode", /* 0x0400 */ ! 123: "module addressing", /* 0x0200 */ ! 124: "address bounds", /* 0x0100 */ ! 125: "parameter bounds", /* 0x0080 */ ! 126: "illegal parameter", /* 0x0040 */ ! 127: "message sequence", /* 0x0020 */ ! 128: 0, ! 129: "message length", /* 0x0008 */ ! 130: 0, 0, 0 ! 131: }; ! 132: ! 133: char *err_fault[] = { ! 134: 0, ! 135: "cross unit", /* 0x4000 */ ! 136: 0, ! 137: "controller fault", /* 0x1000 */ ! 138: 0, 0, ! 139: "unit fault", /* 0x0200 */ ! 140: 0, ! 141: "diagnostic result", /* 0x0080 */ ! 142: 0, ! 143: "operator release request", /* 0x0020 */ ! 144: "diagnostic release request", /* 0x0010 */ ! 145: "internal maintenance release request", /* 0x0008 */ ! 146: 0, ! 147: "power fail", /* 0x0002 */ ! 148: "retransmit" /* 0x0001 */ ! 149: }; ! 150: ! 151: char *err_access[] = { ! 152: "illegal parallel operation", /* 0x8000 */ ! 153: "uninitialized media", /* 0x4000 */ ! 154: "no spares available", /* 0x2000 */ ! 155: "not ready", /* 0x1000 */ ! 156: "write protect", /* 0x0800 */ ! 157: "no data found", /* 0x0400 */ ! 158: 0, 0, ! 159: "unrecoverable data overflow", /* 0x0080 */ ! 160: "unrecoverable data", /* 0x0040 */ ! 161: 0, ! 162: "end of file", /* 0x0010 */ ! 163: "end of volume", /* 0x0008 */ ! 164: 0, 0, 0 ! 165: }; ! 166: ! 167: char *err_info[] = { ! 168: "operator release request", /* 0x8000 */ ! 169: "diagnostic release request", /* 0x4000 */ ! 170: "internal maintenance release request", /* 0x2000 */ ! 171: "media wear", /* 0x1000 */ ! 172: "latency induced", /* 0x0800 */ ! 173: 0, 0, ! 174: "auto sparing invoked", /* 0x0100 */ ! 175: 0, ! 176: "recoverable data overflow", /* 0x0040 */ ! 177: "marginal data", /* 0x0020 */ ! 178: "recoverable data", /* 0x0010 */ ! 179: 0, ! 180: "maintenance track overflow", /* 0x0004 */ ! 181: 0, 0 ! 182: }; ! 183: #endif ! 184: ! 185: /* ! 186: * CS/80 partitions. We reserve the first cylinder for a LIF ! 187: * style boot directory (the 8k allowed in the BSD filesystem ! 188: * is just way too small). This boot area is outside of all but ! 189: * the C partition. This implies that you cannot use the C ! 190: * partition on a bootable disk since the filesystem would overlay ! 191: * the boot area. You must use the A partition. ! 192: * ! 193: * These maps support four basic layouts: ! 194: * ! 195: * A/B/G: This is the "traditional" setup for a bootable disk. ! 196: * A is the root partition, B the swap, and G a user partition. ! 197: * A/D/H: This is a setup for bootable systems requiring more swap ! 198: * (e.g. those who use HPCL). It has A as the root, D as a ! 199: * larger swap, and H as a smaller user partition. ! 200: * A/D/E/F: Similar to A/D/H with E and F breaking H into two partitions. ! 201: * E could be used for /usr and F for users. ! 202: * C: This gives a single, non-bootable, large user filesystem. ! 203: * Good for second drives on a machine (e.g. /usr/src). ! 204: */ ! 205: struct size rd7945A_sizes[8] = { ! 206: RDSZ(15904), 1, /* A=cyl 1 thru 142 */ ! 207: RDSZ(20160), 143, /* B=cyl 143 thru 322 */ ! 208: RDSZ(108416), 0, /* C=cyl 0 thru 967 */ ! 209: RDSZ(40320), 143, /* D=cyl 143 thru 502 */ ! 210: RDSZ(0), 0, /* E=<undefined> */ ! 211: RDSZ(0), 0, /* F=<undefined> */ ! 212: RDSZ(72240), 323, /* G=cyl 323 thru 967 */ ! 213: RDSZ(52080), 503, /* H=cyl 503 thru 967 */ ! 214: }, rd9134D_sizes[8] = { ! 215: RDSZ(15936), 1, /* A=cyl 1 thru 166 */ ! 216: RDSZ(13056), 167, /* B=cyl 167 thru 302 */ ! 217: RDSZ(29088), 0, /* C=cyl 0 thru 302 */ ! 218: RDSZ(0), 0, /* D=<undefined> */ ! 219: RDSZ(0), 0, /* E=<undefined> */ ! 220: RDSZ(0), 0, /* F=<undefined> */ ! 221: RDSZ(0), 0, /* G=<undefined> */ ! 222: RDSZ(0), 0, /* H=<undefined> */ ! 223: }, rd9122S_sizes[8] = { ! 224: RDSZ(0), 0, /* A=<undefined> */ ! 225: RDSZ(0), 0, /* B=<undefined> */ ! 226: RDSZ(1232), 0, /* C=cyl 0 thru 76 */ ! 227: RDSZ(0), 0, /* D=<undefined> */ ! 228: RDSZ(0), 0, /* E=<undefined> */ ! 229: RDSZ(0), 0, /* F=<undefined> */ ! 230: RDSZ(0), 0, /* G=<undefined> */ ! 231: RDSZ(0), 0, /* H=<undefined> */ ! 232: }, rd7912P_sizes[8] = { ! 233: RDSZ(15904), 0, /* A=cyl 1 thru 71 */ ! 234: RDSZ(22400), 72, /* B=cyl 72 thru 171 */ ! 235: RDSZ(128128), 0, /* C=cyl 0 thru 571 */ ! 236: RDSZ(42560), 72, /* D=cyl 72 thru 261 */ ! 237: RDSZ(0), 292, /* E=<undefined> */ ! 238: RDSZ(0), 542, /* F=<undefined> */ ! 239: RDSZ(89600), 172, /* G=cyl 221 thru 571 */ ! 240: RDSZ(69440), 262, /* H=cyl 262 thru 571 */ ! 241: }, rd7914P_sizes[8] = { ! 242: RDSZ(15904), 1, /* A=cyl 1 thru 71 */ ! 243: RDSZ(40320), 72, /* B=cyl 72 thru 251 */ ! 244: RDSZ(258048), 0, /* C=cyl 0 thru 1151 */ ! 245: RDSZ(64960), 72, /* D=cyl 72 thru 361 */ ! 246: RDSZ(98560), 362, /* E=cyl 362 thru 801 */ ! 247: RDSZ(78400), 802, /* F=cyl 802 thru 1151 */ ! 248: RDSZ(201600), 252, /* G=cyl 221 thru 1151 */ ! 249: RDSZ(176960), 362, /* H=cyl 362 thru 1151 */ ! 250: }, rd7933H_sizes[8] = { ! 251: RDSZ(16146), 1, /* A=cyl 1 thru 27 */ ! 252: RDSZ(66976), 28, /* B=cyl 28 thru 139 */ ! 253: RDSZ(789958), 0, /* C=cyl 0 thru 1320 */ ! 254: RDSZ(16146), 140, /* D=cyl 140 thru 166 */ ! 255: RDSZ(165646), 167, /* E=cyl 167 thru 443 */ ! 256: RDSZ(165646), 444, /* F=cyl 444 thru 720 */ ! 257: RDSZ(706238), 140, /* G=cyl 140 thru 1320 */ ! 258: RDSZ(358800), 721, /* H=cyl 721 thru 1320 */ ! 259: }, rd9134L_sizes[8] = { ! 260: RDSZ(15920), 1, /* A=cyl 1 thru 199 */ ! 261: RDSZ(20000), 200, /* B=cyl 200 thru 449 */ ! 262: RDSZ(77840), 0, /* C=cyl 0 thru 972 */ ! 263: RDSZ(32000), 200, /* D=cyl 200 thru 599 */ ! 264: RDSZ(0), 0, /* E=<undefined> */ ! 265: RDSZ(0), 0, /* F=<undefined> */ ! 266: RDSZ(41840), 450, /* G=cyl 450 thru 972 */ ! 267: RDSZ(29840), 600, /* H=cyl 600 thru 972 */ ! 268: }, rd7957A_sizes[8] = { ! 269: RDSZ(16016), 1, /* A=cyl 1 thru 104 */ ! 270: RDSZ(24640), 105, /* B=cyl 105 thru 264 */ ! 271: RDSZ(159544), 0, /* C=cyl 0 thru 1035 */ ! 272: RDSZ(42350), 105, /* D=cyl 105 thru 379 */ ! 273: RDSZ(54824), 380, /* E=cyl 380 thru 735 */ ! 274: RDSZ(46200), 736, /* F=cyl 736 thru 1035 */ ! 275: RDSZ(118734), 265, /* G=cyl 265 thru 1035 */ ! 276: RDSZ(101024), 380, /* H=cyl 380 thru 1035 */ ! 277: }, rd7958A_sizes[8] = { ! 278: RDSZ(16128), 1, /* A=cyl 1 thru 64 */ ! 279: RDSZ(32256), 65, /* B=cyl 65 thru 192 */ ! 280: RDSZ(255276), 0, /* C=cyl 0 thru 1012 */ ! 281: RDSZ(48384), 65, /* D=cyl 65 thru 256 */ ! 282: RDSZ(100800), 257, /* E=cyl 257 thru 656 */ ! 283: RDSZ(89712), 657, /* F=cyl 657 thru 1012 */ ! 284: RDSZ(206640), 193, /* G=cyl 193 thru 1012 */ ! 285: RDSZ(190512), 257, /* H=cyl 257 thru 1012 */ ! 286: }, rd7957B_sizes[8] = { ! 287: RDSZ(16002), 1, /* A=cyl 1 thru 127 */ ! 288: RDSZ(32760), 128, /* B=cyl 128 thru 387 */ ! 289: RDSZ(159894), 0, /* C=cyl 0 thru 1268 */ ! 290: RDSZ(49140), 128, /* D=cyl 128 thru 517 */ ! 291: RDSZ(50400), 518, /* E=cyl 518 thru 917 */ ! 292: RDSZ(44226), 918, /* F=cyl 918 thru 1268 */ ! 293: RDSZ(111006), 388, /* G=cyl 388 thru 1268 */ ! 294: RDSZ(94626), 518, /* H=cyl 518 thru 1268 */ ! 295: }, rd7958B_sizes[8] = { ! 296: RDSZ(16254), 1, /* A=cyl 1 thru 43 */ ! 297: RDSZ(32886), 44, /* B=cyl 44 thru 130 */ ! 298: RDSZ(297108), 0, /* C=cyl 0 thru 785 */ ! 299: RDSZ(49140), 44, /* D=cyl 44 thru 173 */ ! 300: RDSZ(121716), 174, /* E=cyl 174 thru 495 */ ! 301: RDSZ(109620), 496, /* F=cyl 496 thru 785 */ ! 302: RDSZ(247590), 131, /* G=cyl 131 thru 785 */ ! 303: RDSZ(231336), 174, /* H=cyl 174 thru 785 */ ! 304: }, rd7959B_sizes[8] = { ! 305: RDSZ(16254), 1, /* A=cyl 1 thru 43 */ ! 306: RDSZ(49140), 44, /* B=cyl 44 thru 173 */ ! 307: RDSZ(594216), 0, /* C=cyl 0 thru 1571 */ ! 308: RDSZ(65772), 44, /* D=cyl 44 thru 217 */ ! 309: RDSZ(303912), 218, /* E=cyl 218 thru 1021 */ ! 310: RDSZ(207900), 1022, /* F=cyl 1022 thru 1571 */ ! 311: RDSZ(528444), 174, /* G=cyl 174 thru 1571 */ ! 312: RDSZ(511812), 218, /* H=cyl 218 thru 1571 */ ! 313: }, rd2200A_sizes[8] = { ! 314: RDSZ(16272), 1, /* A=cyl 1 thru 36 */ ! 315: RDSZ(49720), 37, /* B=cyl 37 thru 146 */ ! 316: RDSZ(654948), 0, /* C=cyl 0 thru 1448 */ ! 317: RDSZ(65992), 37, /* D=cyl 37 thru 182 */ ! 318: RDSZ(304648), 183, /* E=cyl 183 thru 856 */ ! 319: RDSZ(267584), 857, /* F=cyl 857 thru 1448 */ ! 320: RDSZ(588504), 147, /* G=cyl 147 thru 1448 */ ! 321: RDSZ(572232), 183, /* H=cyl 183 thru 1448 */ ! 322: }, rd2203A_sizes[8] = { ! 323: /* modelled after the 7937; i.e. bogus */ ! 324: RDSZ(16272), 1, /* A=cyl 1 thru 18 */ ! 325: RDSZ(67800), 19, /* B=cyl 19 thru 93 */ ! 326: RDSZ(1309896), 0, /* C=cyl 0 thru 1448 */ ! 327: RDSZ(16272), 94, /* D=cyl 19 thru 111 */ ! 328: RDSZ(305552), 112, /* E=cyl 112 thru 449 */ ! 329: RDSZ(305552), 450, /* F=cyl 450 thru 787 */ ! 330: RDSZ(1224920), 94, /* G=cyl 94 thru 1448 */ ! 331: RDSZ(597544), 788, /* H=cyl 788 thru 1448 */ ! 332: ! 333: #if DEV_BSIZE == 512 ! 334: /* ! 335: * These values would not work for 1k, ! 336: * since the number of cylinders would be different. ! 337: */ ! 338: }, rd7936H_sizes[8] = { ! 339: RDSZ(16359), 1, /* A=cyl 1 thru 19 */ ! 340: RDSZ(67158), 20, /* B=cyl 20 thru 97 */ ! 341: RDSZ(600978), 0, /* C=cyl 0 thru 697 */ ! 342: RDSZ(16359), 98, /* D=cyl 98 thru 116 */ ! 343: RDSZ(120540), 117, /* E=cyl 117 thru 256 */ ! 344: RDSZ(120540), 256, /* F=cyl 256 thru 396 */ ! 345: RDSZ(516600), 98, /* G=cyl 98 thru 697 */ ! 346: RDSZ(259161), 397, /* H=cyl 397 thru 697 */ ! 347: }, rd7937H_sizes[8] = { ! 348: #ifdef UTAH ! 349: RDSZ(15990), 1, /* A=cyl 1 thru 10 */ ! 350: RDSZ(67158), 11, /* B=cyl 11 thru 52 */ ! 351: RDSZ(1116102), 0, /* C=cyl 0 thru 697 */ ! 352: RDSZ(124722), 53, /* D=cyl 53 thru 130 */ ! 353: RDSZ(163098), 131, /* E=cyl 131 thru 232 */ ! 354: RDSZ(287820), 233, /* F=cyl 233 thru 412 */ ! 355: RDSZ(1031355), 53, /* G=cyl 53 thru 697 */ ! 356: RDSZ(455715), 413, /* H=cyl 413 thru 697 */ ! 357: #else ! 358: RDSZ(15990), 1, /* A=cyl 1 thru 10 */ ! 359: RDSZ(67158), 11, /* B=cyl 11 thru 52 */ ! 360: RDSZ(1116102), 0, /* C=cyl 0 thru 697 */ ! 361: RDSZ(15990), 53, /* D=cyl 53 thru 62 */ ! 362: RDSZ(246246), 63, /* E=cyl 63 thru 216 */ ! 363: RDSZ(246246), 217, /* F=cyl 217 thru 370 */ ! 364: RDSZ(1031355), 53, /* G=cyl 53 thru 697 */ ! 365: RDSZ(522873), 371, /* H=cyl 371 thru 697 */ ! 366: #endif ! 367: #endif ! 368: }; ! 369: ! 370: struct rdinfo { ! 371: int nbpt; /* DEV_BSIZE blocks per track */ ! 372: int ntpc; /* tracks per cylinder */ ! 373: int nbpc; /* blocks per cylinder */ ! 374: struct size *sizes; /* default partition info (if no disklabel) */ ! 375: short hwid; /* 2 byte HW id */ ! 376: short maxunum; /* maximum allowed unit number */ ! 377: char *desc; /* drive type description */ ! 378: }; ! 379: ! 380: struct rdinfo rdinfo[] = { ! 381: NRD7945ABPT, NRD7945ATRK, NRD7945ABPT * NRD7945ATRK, ! 382: rd7945A_sizes, RD7946AID, 0, "7945A", ! 383: NRD9134DBPT, NRD9134DTRK, NRD9134DBPT * NRD9134DTRK, ! 384: rd9134D_sizes, RD9134DID, 1, "9134D", ! 385: NRD9122SBPT, NRD9122STRK, NRD9122SBPT * NRD9122STRK, ! 386: rd9122S_sizes, RD9134LID, 1, "9122S", ! 387: NRD7912PBPT, NRD7912PTRK, NRD7912PBPT * NRD7912PTRK, ! 388: rd7912P_sizes, RD7912PID, 0, "7912P", ! 389: NRD7914PBPT, NRD7914PTRK, NRD7914PBPT * NRD7914PTRK, ! 390: rd7914P_sizes, RD7914PID, 0, "7914P", ! 391: NRD7958ABPT, NRD7958ATRK, NRD7958ABPT * NRD7958ATRK, ! 392: rd7958A_sizes, RD7958AID, 0, "7958A", ! 393: NRD7957ABPT, NRD7957ATRK, NRD7957ABPT * NRD7957ATRK, ! 394: rd7957A_sizes, RD7957AID, 0, "7957A", ! 395: NRD7933HBPT, NRD7933HTRK, NRD7933HBPT * NRD7933HTRK, ! 396: rd7933H_sizes, RD7933HID, 0, "7933H", ! 397: NRD9134LBPT, NRD9134LTRK, NRD9134LBPT * NRD9134LTRK, ! 398: rd9134L_sizes, RD9134LID, 1, "9134L", ! 399: NRD7936HBPT, NRD7936HTRK, NRD7936HBPT * NRD7936HTRK, ! 400: rd7936H_sizes, RD7936HID, 0, "7936H", ! 401: NRD7937HBPT, NRD7937HTRK, NRD7937HBPT * NRD7937HTRK, ! 402: rd7937H_sizes, RD7937HID, 0, "7937H", ! 403: NRD7914PBPT, NRD7914PTRK, NRD7914PBPT * NRD7914PTRK, ! 404: rd7914P_sizes, RD7914CTID, 0, "7914CT", ! 405: NRD7945ABPT, NRD7945ATRK, NRD7945ABPT * NRD7945ATRK, ! 406: rd7945A_sizes, RD7946AID, 0, "7946A", ! 407: NRD9122SBPT, NRD9122STRK, NRD9122SBPT * NRD9122STRK, ! 408: rd9122S_sizes, RD9134LID, 1, "9122D", ! 409: NRD7957BBPT, NRD7957BTRK, NRD7957BBPT * NRD7957BTRK, ! 410: rd7957B_sizes, RD7957BID, 0, "7957B", ! 411: NRD7958BBPT, NRD7958BTRK, NRD7958BBPT * NRD7958BTRK, ! 412: rd7958B_sizes, RD7958BID, 0, "7958B", ! 413: NRD7959BBPT, NRD7959BTRK, NRD7959BBPT * NRD7959BTRK, ! 414: rd7959B_sizes, RD7959BID, 0, "7959B", ! 415: NRD2200ABPT, NRD2200ATRK, NRD2200ABPT * NRD2200ATRK, ! 416: rd2200A_sizes, RD2200AID, 0, "2200A", ! 417: NRD2203ABPT, NRD2203ATRK, NRD2203ABPT * NRD2203ATRK, ! 418: rd2203A_sizes, RD2203AID, 0, "2203A", ! 419: }; ! 420: int nrdinfo = sizeof(rdinfo) / sizeof(rdinfo[0]); ! 421: ! 422: struct buf rdtab[NRD]; ! 423: ! 424: #define rdunit(x) (minor(x) >> 3) ! 425: #define rdpart(x) (minor(x) & 0x7) ! 426: #define rdpunit(x) ((x) & 7) ! 427: #define b_cylin b_resid ! 428: #define RDRETRY 5 ! 429: #define RDWAITC 1 /* min time for timeout in seconds */ ! 430: ! 431: int rderrthresh = RDRETRY-1; /* when to start reporting errors */ ! 432: ! 433: rdinit(hd) ! 434: register struct hp_device *hd; ! 435: { ! 436: register struct rd_softc *rs = &rd_softc[hd->hp_unit]; ! 437: ! 438: rs->sc_hd = hd; ! 439: rs->sc_punit = rdpunit(hd->hp_flags); ! 440: rs->sc_type = rdident(rs, hd); ! 441: if (rs->sc_type < 0) ! 442: return(0); ! 443: rs->sc_dq.dq_ctlr = hd->hp_ctlr; ! 444: rs->sc_dq.dq_unit = hd->hp_unit; ! 445: rs->sc_dq.dq_slave = hd->hp_slave; ! 446: rs->sc_dq.dq_driver = &rddriver; ! 447: rs->sc_info = &rdinfo[rs->sc_type]; ! 448: rs->sc_flags = RDF_ALIVE; ! 449: #ifdef DEBUG ! 450: /* always report errors */ ! 451: if (rddebug & RDB_ERROR) ! 452: rderrthresh = 0; ! 453: #endif ! 454: return(1); ! 455: } ! 456: ! 457: rdident(rs, hd) ! 458: struct rd_softc *rs; ! 459: struct hp_device *hd; ! 460: { ! 461: struct rd_describe desc; ! 462: u_char stat, cmd[3]; ! 463: int unit, lunit; ! 464: char name[7]; ! 465: register int ctlr, slave, id, i; ! 466: ! 467: ctlr = hd->hp_ctlr; ! 468: slave = hd->hp_slave; ! 469: unit = rs->sc_punit; ! 470: lunit = hd->hp_unit; ! 471: ! 472: /* ! 473: * Grab device id and make sure: ! 474: * 1. It is a CS80 device. ! 475: * 2. It is one of the types we support. ! 476: * 3. If it is a 7946, we are accessing the disk unit (0) ! 477: */ ! 478: id = hpibid(ctlr, slave); ! 479: #ifdef DEBUG ! 480: if (rddebug & RDB_IDENT) ! 481: printf("hpibid(%d, %d) -> %x\n", ctlr, slave, id); ! 482: #endif ! 483: if ((id & 0x200) == 0) ! 484: return(-1); ! 485: for (i = 0; i < nrdinfo; i++) ! 486: if (id == rdinfo[i].hwid) ! 487: break; ! 488: if (i == nrdinfo || unit > rdinfo[i].maxunum) ! 489: return(-1); ! 490: id = i; ! 491: ! 492: /* ! 493: * Reset drive and collect device description. ! 494: * Don't really use the description info right now but ! 495: * might come in handy in the future (for disk labels). ! 496: */ ! 497: rdreset(rs, hd); ! 498: cmd[0] = C_SUNIT(unit); ! 499: cmd[1] = C_SVOL(0); ! 500: cmd[2] = C_DESC; ! 501: hpibsend(ctlr, slave, C_CMD, cmd, sizeof(cmd)); ! 502: hpibrecv(ctlr, slave, C_EXEC, &desc, 37); ! 503: hpibrecv(ctlr, slave, C_QSTAT, &stat, sizeof(stat)); ! 504: bzero(name, sizeof(name)); ! 505: if (!stat) { ! 506: register int n = desc.d_name; ! 507: for (i = 5; i >= 0; i--) { ! 508: name[i] = (n & 0xf) + '0'; ! 509: n >>= 4; ! 510: } ! 511: /* use drive characteristics to calculate xfer rate */ ! 512: rs->sc_wpms = 1000000 * (desc.d_sectsize/2) / desc.d_blocktime; ! 513: } ! 514: #ifdef DEBUG ! 515: if (rddebug & RDB_IDENT) { ! 516: printf("rd%d: name: %x ('%s')\n", ! 517: lunit, desc.d_name, name); ! 518: printf(" iuw %x, maxxfr %d, ctype %d\n", ! 519: desc.d_iuw, desc.d_cmaxxfr, desc.d_ctype); ! 520: printf(" utype %d, bps %d, blkbuf %d, burst %d, blktime %d\n", ! 521: desc.d_utype, desc.d_sectsize, ! 522: desc.d_blkbuf, desc.d_burstsize, desc.d_blocktime); ! 523: printf(" avxfr %d, ort %d, atp %d, maxint %d, fv %x, rv %x\n", ! 524: desc.d_uavexfr, desc.d_retry, desc.d_access, ! 525: desc.d_maxint, desc.d_fvbyte, desc.d_rvbyte); ! 526: printf(" maxcyl/head/sect %d/%d/%d, maxvsect %d, inter %d\n", ! 527: desc.d_maxcyl, desc.d_maxhead, desc.d_maxsect, ! 528: desc.d_maxvsectl, desc.d_interleave); ! 529: } ! 530: #endif ! 531: /* ! 532: * Take care of a couple of anomolies: ! 533: * 1. 7945A and 7946A both return same HW id ! 534: * 2. 9122S and 9134D both return same HW id ! 535: * 3. 9122D and 9134L both return same HW id ! 536: */ ! 537: switch (rdinfo[id].hwid) { ! 538: case RD7946AID: ! 539: if (bcmp(name, "079450", 6) == 0) ! 540: id = RD7945A; ! 541: else ! 542: id = RD7946A; ! 543: break; ! 544: ! 545: case RD9134LID: ! 546: if (bcmp(name, "091340", 6) == 0) ! 547: id = RD9134L; ! 548: else ! 549: id = RD9122D; ! 550: break; ! 551: ! 552: case RD9134DID: ! 553: if (bcmp(name, "091220", 6) == 0) ! 554: id = RD9122S; ! 555: else ! 556: id = RD9134D; ! 557: break; ! 558: } ! 559: printf("rd%d: %s\n", lunit, rdinfo[id].desc); ! 560: return(id); ! 561: } ! 562: ! 563: rdreset(rs, hd) ! 564: register struct rd_softc *rs; ! 565: register struct hp_device *hd; ! 566: { ! 567: u_char stat; ! 568: ! 569: rs->sc_clear.c_unit = C_SUNIT(rs->sc_punit); ! 570: rs->sc_clear.c_cmd = C_CLEAR; ! 571: hpibsend(hd->hp_ctlr, hd->hp_slave, C_TCMD, &rs->sc_clear, ! 572: sizeof(rs->sc_clear)); ! 573: hpibswait(hd->hp_ctlr, hd->hp_slave); ! 574: hpibrecv(hd->hp_ctlr, hd->hp_slave, C_QSTAT, &stat, sizeof(stat)); ! 575: rs->sc_src.c_unit = C_SUNIT(RDCTLR); ! 576: rs->sc_src.c_nop = C_NOP; ! 577: rs->sc_src.c_cmd = C_SREL; ! 578: rs->sc_src.c_param = C_REL; ! 579: hpibsend(hd->hp_ctlr, hd->hp_slave, C_CMD, &rs->sc_src, ! 580: sizeof(rs->sc_src)); ! 581: hpibswait(hd->hp_ctlr, hd->hp_slave); ! 582: hpibrecv(hd->hp_ctlr, hd->hp_slave, C_QSTAT, &stat, sizeof(stat)); ! 583: rs->sc_ssmc.c_unit = C_SUNIT(rs->sc_punit); ! 584: rs->sc_ssmc.c_cmd = C_SSM; ! 585: rs->sc_ssmc.c_refm = REF_MASK; ! 586: rs->sc_ssmc.c_fefm = FEF_MASK; ! 587: rs->sc_ssmc.c_aefm = AEF_MASK; ! 588: rs->sc_ssmc.c_iefm = IEF_MASK; ! 589: hpibsend(hd->hp_ctlr, hd->hp_slave, C_CMD, &rs->sc_ssmc, ! 590: sizeof(rs->sc_ssmc)); ! 591: hpibswait(hd->hp_ctlr, hd->hp_slave); ! 592: hpibrecv(hd->hp_ctlr, hd->hp_slave, C_QSTAT, &stat, sizeof(stat)); ! 593: #ifdef DEBUG ! 594: rdstats[hd->hp_unit].rdresets++; ! 595: #endif ! 596: } ! 597: ! 598: int ! 599: rdopen(dev, flags, mode, p) ! 600: dev_t dev; ! 601: int flags, mode; ! 602: struct proc *p; ! 603: { ! 604: register int unit = rdunit(dev); ! 605: register struct rd_softc *rs = &rd_softc[unit]; ! 606: ! 607: if (unit >= NRD || (rs->sc_flags & RDF_ALIVE) == 0) ! 608: return(ENXIO); ! 609: if (rs->sc_hd->hp_dk >= 0) { ! 610: /* guess at xfer rate based on 3600 rpm (60 rps) */ ! 611: if (rs->sc_wpms == 0) ! 612: rs->sc_wpms = 60 * rs->sc_info->nbpt * DEV_BSIZE / 2; ! 613: dk_wpms[rs->sc_hd->hp_dk] = rs->sc_wpms; ! 614: } ! 615: return(0); ! 616: } ! 617: ! 618: rdstrategy(bp) ! 619: register struct buf *bp; ! 620: { ! 621: register int unit = rdunit(bp->b_dev); ! 622: register struct rd_softc *rs = &rd_softc[unit]; ! 623: register struct size *pinfo = &rs->sc_info->sizes[rdpart(bp->b_dev)]; ! 624: register struct buf *dp = &rdtab[unit]; ! 625: register daddr_t bn; ! 626: register int sz, s; ! 627: ! 628: #ifdef DEBUG ! 629: if (rddebug & RDB_FOLLOW) ! 630: printf("rdstrategy(%x): dev %x, bn %x, bcount %x, %c\n", ! 631: bp, bp->b_dev, bp->b_blkno, bp->b_bcount, ! 632: (bp->b_flags & B_READ) ? 'R' : 'W'); ! 633: #endif ! 634: bn = bp->b_blkno; ! 635: sz = howmany(bp->b_bcount, DEV_BSIZE); ! 636: if (bn < 0 || bn + sz > pinfo->nblocks) { ! 637: sz = pinfo->nblocks - bn; ! 638: if (sz == 0) { ! 639: bp->b_resid = bp->b_bcount; ! 640: goto done; ! 641: } ! 642: if (sz < 0) { ! 643: bp->b_error = EINVAL; ! 644: bp->b_flags |= B_ERROR; ! 645: goto done; ! 646: } ! 647: bp->b_bcount = dbtob(sz); ! 648: } ! 649: bp->b_cylin = bn / rs->sc_info->nbpc + pinfo->cyloff; ! 650: s = splbio(); ! 651: disksort(dp, bp); ! 652: if (dp->b_active == 0) { ! 653: dp->b_active = 1; ! 654: rdustart(unit); ! 655: } ! 656: splx(s); ! 657: return; ! 658: done: ! 659: biodone(bp); ! 660: } ! 661: ! 662: /* ! 663: * Called from timeout() when handling maintenance releases ! 664: */ ! 665: rdrestart(unit) ! 666: int unit; ! 667: { ! 668: int s = splbio(); ! 669: rdustart(unit); ! 670: splx(s); ! 671: } ! 672: ! 673: rdustart(unit) ! 674: register int unit; ! 675: { ! 676: register struct buf *bp; ! 677: register struct rd_softc *rs = &rd_softc[unit]; ! 678: ! 679: bp = rdtab[unit].b_actf; ! 680: rs->sc_addr = bp->b_un.b_addr; ! 681: rs->sc_resid = bp->b_bcount; ! 682: if (hpibreq(&rs->sc_dq)) ! 683: rdstart(unit); ! 684: } ! 685: ! 686: rdstart(unit) ! 687: register int unit; ! 688: { ! 689: register struct rd_softc *rs = &rd_softc[unit]; ! 690: register struct buf *bp = rdtab[unit].b_actf; ! 691: register struct hp_device *hp = rs->sc_hd; ! 692: register int part; ! 693: ! 694: again: ! 695: #ifdef DEBUG ! 696: if (rddebug & RDB_FOLLOW) ! 697: printf("rdstart(%d): bp %x, %c\n", unit, bp, ! 698: (bp->b_flags & B_READ) ? 'R' : 'W'); ! 699: #endif ! 700: part = rdpart(bp->b_dev); ! 701: rs->sc_flags |= RDF_SEEK; ! 702: rs->sc_ioc.c_unit = C_SUNIT(rs->sc_punit); ! 703: rs->sc_ioc.c_volume = C_SVOL(0); ! 704: rs->sc_ioc.c_saddr = C_SADDR; ! 705: rs->sc_ioc.c_hiaddr = 0; ! 706: rs->sc_ioc.c_addr = RDBTOS(bp->b_blkno + rs->sc_info->nbpc * ! 707: rs->sc_info->sizes[part].cyloff); ! 708: rs->sc_ioc.c_nop2 = C_NOP; ! 709: rs->sc_ioc.c_slen = C_SLEN; ! 710: rs->sc_ioc.c_len = rs->sc_resid; ! 711: rs->sc_ioc.c_cmd = bp->b_flags & B_READ ? C_READ : C_WRITE; ! 712: #ifdef DEBUG ! 713: if (rddebug & RDB_IO) ! 714: printf("rdstart: hpibsend(%x, %x, %x, %x, %x)\n", ! 715: hp->hp_ctlr, hp->hp_slave, C_CMD, ! 716: &rs->sc_ioc.c_unit, sizeof(rs->sc_ioc)-2); ! 717: #endif ! 718: if (hpibsend(hp->hp_ctlr, hp->hp_slave, C_CMD, &rs->sc_ioc.c_unit, ! 719: sizeof(rs->sc_ioc)-2) == sizeof(rs->sc_ioc)-2) { ! 720: if (hp->hp_dk >= 0) { ! 721: dk_busy |= 1 << hp->hp_dk; ! 722: dk_seek[hp->hp_dk]++; ! 723: } ! 724: #ifdef DEBUG ! 725: if (rddebug & RDB_IO) ! 726: printf("rdstart: hpibawait(%x)\n", hp->hp_ctlr); ! 727: #endif ! 728: hpibawait(hp->hp_ctlr); ! 729: return; ! 730: } ! 731: /* ! 732: * Experience has shown that the hpibwait in this hpibsend will ! 733: * occasionally timeout. It appears to occur mostly on old 7914 ! 734: * drives with full maintenance tracks. We should probably ! 735: * integrate this with the backoff code in rderror. ! 736: */ ! 737: #ifdef DEBUG ! 738: if (rddebug & RDB_ERROR) ! 739: printf("rd%d: rdstart: cmd %x adr %d blk %d len %d ecnt %d\n", ! 740: unit, rs->sc_ioc.c_cmd, rs->sc_ioc.c_addr, ! 741: bp->b_blkno, rs->sc_resid, rdtab[unit].b_errcnt); ! 742: rdstats[unit].rdretries++; ! 743: #endif ! 744: rs->sc_flags &= ~RDF_SEEK; ! 745: rdreset(rs, hp); ! 746: if (rdtab[unit].b_errcnt++ < RDRETRY) ! 747: goto again; ! 748: printf("rd%d: rdstart err: cmd 0x%x sect %d blk %d len %d\n", ! 749: unit, rs->sc_ioc.c_cmd, rs->sc_ioc.c_addr, ! 750: bp->b_blkno, rs->sc_resid); ! 751: rdtab[unit].b_errcnt = 0; ! 752: rdtab[unit].b_actf = bp->b_actf; ! 753: bp->b_flags |= B_ERROR; ! 754: bp->b_error = EIO; ! 755: bp->b_resid = 0; ! 756: biodone(bp); ! 757: hpibfree(&rs->sc_dq); ! 758: bp = rdtab[unit].b_actf; ! 759: if (bp == NULL) { ! 760: rdtab[unit].b_active = 0; ! 761: return; ! 762: } ! 763: rs->sc_addr = bp->b_un.b_addr; ! 764: rs->sc_resid = bp->b_bcount; ! 765: if (hpibreq(&rs->sc_dq)) ! 766: goto again; ! 767: } ! 768: ! 769: rdgo(unit) ! 770: register int unit; ! 771: { ! 772: register struct rd_softc *rs = &rd_softc[unit]; ! 773: register struct hp_device *hp = rs->sc_hd; ! 774: struct buf *bp = rdtab[unit].b_actf; ! 775: ! 776: if (hp->hp_dk >= 0) { ! 777: dk_busy |= 1 << hp->hp_dk; ! 778: dk_xfer[hp->hp_dk]++; ! 779: dk_wds[hp->hp_dk] += rs->sc_resid >> 6; ! 780: } ! 781: hpibgo(hp->hp_ctlr, hp->hp_slave, C_EXEC, ! 782: rs->sc_addr, rs->sc_resid, bp->b_flags & B_READ); ! 783: } ! 784: ! 785: rdintr(unit) ! 786: register int unit; ! 787: { ! 788: register struct rd_softc *rs = &rd_softc[unit]; ! 789: register struct buf *bp = rdtab[unit].b_actf; ! 790: register struct hp_device *hp = rs->sc_hd; ! 791: u_char stat = 13; /* in case hpibrecv fails */ ! 792: int rv, restart; ! 793: ! 794: #ifdef DEBUG ! 795: if (rddebug & RDB_FOLLOW) ! 796: printf("rdintr(%d): bp %x, %c, flags %x\n", unit, bp, ! 797: (bp->b_flags & B_READ) ? 'R' : 'W', rs->sc_flags); ! 798: if (bp == NULL) { ! 799: printf("rd%d: bp == NULL\n", unit); ! 800: return; ! 801: } ! 802: #endif ! 803: if (hp->hp_dk >= 0) ! 804: dk_busy &= ~(1 << hp->hp_dk); ! 805: if (rs->sc_flags & RDF_SEEK) { ! 806: rs->sc_flags &= ~RDF_SEEK; ! 807: if (hpibustart(hp->hp_ctlr)) ! 808: rdgo(unit); ! 809: return; ! 810: } ! 811: if ((rs->sc_flags & RDF_SWAIT) == 0) { ! 812: #ifdef DEBUG ! 813: rdstats[unit].rdpolltries++; ! 814: #endif ! 815: if (hpibpptest(hp->hp_ctlr, hp->hp_slave) == 0) { ! 816: #ifdef DEBUG ! 817: rdstats[unit].rdpollwaits++; ! 818: #endif ! 819: if (hp->hp_dk >= 0) ! 820: dk_busy |= 1 << hp->hp_dk; ! 821: rs->sc_flags |= RDF_SWAIT; ! 822: hpibawait(hp->hp_ctlr); ! 823: return; ! 824: } ! 825: } else ! 826: rs->sc_flags &= ~RDF_SWAIT; ! 827: rv = hpibrecv(hp->hp_ctlr, hp->hp_slave, C_QSTAT, &stat, 1); ! 828: if (rv != 1 || stat) { ! 829: #ifdef DEBUG ! 830: if (rddebug & RDB_ERROR) ! 831: printf("rdintr: recv failed or bad stat %d\n", stat); ! 832: #endif ! 833: restart = rderror(unit); ! 834: #ifdef DEBUG ! 835: rdstats[unit].rdretries++; ! 836: #endif ! 837: if (rdtab[unit].b_errcnt++ < RDRETRY) { ! 838: if (restart) ! 839: rdstart(unit); ! 840: return; ! 841: } ! 842: bp->b_flags |= B_ERROR; ! 843: bp->b_error = EIO; ! 844: } ! 845: rdtab[unit].b_errcnt = 0; ! 846: rdtab[unit].b_actf = bp->b_actf; ! 847: bp->b_resid = 0; ! 848: biodone(bp); ! 849: hpibfree(&rs->sc_dq); ! 850: if (rdtab[unit].b_actf) ! 851: rdustart(unit); ! 852: else ! 853: rdtab[unit].b_active = 0; ! 854: } ! 855: ! 856: rdstatus(rs) ! 857: register struct rd_softc *rs; ! 858: { ! 859: register int c, s; ! 860: u_char stat; ! 861: int rv; ! 862: ! 863: c = rs->sc_hd->hp_ctlr; ! 864: s = rs->sc_hd->hp_slave; ! 865: rs->sc_rsc.c_unit = C_SUNIT(rs->sc_punit); ! 866: rs->sc_rsc.c_sram = C_SRAM; ! 867: rs->sc_rsc.c_ram = C_RAM; ! 868: rs->sc_rsc.c_cmd = C_STATUS; ! 869: bzero((caddr_t)&rs->sc_stat, sizeof(rs->sc_stat)); ! 870: rv = hpibsend(c, s, C_CMD, &rs->sc_rsc, sizeof(rs->sc_rsc)); ! 871: if (rv != sizeof(rs->sc_rsc)) { ! 872: #ifdef DEBUG ! 873: if (rddebug & RDB_STATUS) ! 874: printf("rdstatus: send C_CMD failed %d != %d\n", ! 875: rv, sizeof(rs->sc_rsc)); ! 876: #endif ! 877: return(1); ! 878: } ! 879: rv = hpibrecv(c, s, C_EXEC, &rs->sc_stat, sizeof(rs->sc_stat)); ! 880: if (rv != sizeof(rs->sc_stat)) { ! 881: #ifdef DEBUG ! 882: if (rddebug & RDB_STATUS) ! 883: printf("rdstatus: send C_EXEC failed %d != %d\n", ! 884: rv, sizeof(rs->sc_stat)); ! 885: #endif ! 886: return(1); ! 887: } ! 888: rv = hpibrecv(c, s, C_QSTAT, &stat, 1); ! 889: if (rv != 1 || stat) { ! 890: #ifdef DEBUG ! 891: if (rddebug & RDB_STATUS) ! 892: printf("rdstatus: recv failed %d or bad stat %d\n", ! 893: rv, stat); ! 894: #endif ! 895: return(1); ! 896: } ! 897: return(0); ! 898: } ! 899: ! 900: /* ! 901: * Deal with errors. ! 902: * Returns 1 if request should be restarted, ! 903: * 0 if we should just quietly give up. ! 904: */ ! 905: rderror(unit) ! 906: int unit; ! 907: { ! 908: struct rd_softc *rs = &rd_softc[unit]; ! 909: register struct rd_stat *sp; ! 910: struct buf *bp; ! 911: daddr_t hwbn, pbn; ! 912: ! 913: if (rdstatus(rs)) { ! 914: #ifdef DEBUG ! 915: printf("rd%d: couldn't get status\n", unit); ! 916: #endif ! 917: rdreset(rs, rs->sc_hd); ! 918: return(1); ! 919: } ! 920: sp = &rs->sc_stat; ! 921: if (sp->c_fef & FEF_REXMT) ! 922: return(1); ! 923: if (sp->c_fef & FEF_PF) { ! 924: rdreset(rs, rs->sc_hd); ! 925: return(1); ! 926: } ! 927: /* ! 928: * Unit requests release for internal maintenance. ! 929: * We just delay awhile and try again later. Use expontially ! 930: * increasing backoff ala ethernet drivers since we don't really ! 931: * know how long the maintenance will take. With RDWAITC and ! 932: * RDRETRY as defined, the range is 1 to 32 seconds. ! 933: */ ! 934: if (sp->c_fef & FEF_IMR) { ! 935: extern int hz; ! 936: int rdtimo = RDWAITC << rdtab[unit].b_errcnt; ! 937: #ifdef DEBUG ! 938: printf("rd%d: internal maintenance, %d second timeout\n", ! 939: unit, rdtimo); ! 940: rdstats[unit].rdtimeouts++; ! 941: #endif ! 942: hpibfree(&rs->sc_dq); ! 943: timeout(rdrestart, unit, rdtimo*hz); ! 944: return(0); ! 945: } ! 946: /* ! 947: * Only report error if we have reached the error reporting ! 948: * threshhold. By default, this will only report after the ! 949: * retry limit has been exceeded. ! 950: */ ! 951: if (rdtab[unit].b_errcnt < rderrthresh) ! 952: return(1); ! 953: ! 954: /* ! 955: * First conjure up the block number at which the error occured. ! 956: * Note that not all errors report a block number, in that case ! 957: * we just use b_blkno. ! 958: */ ! 959: bp = rdtab[unit].b_actf; ! 960: pbn = rs->sc_info->nbpc * ! 961: rs->sc_info->sizes[rdpart(bp->b_dev)].cyloff; ! 962: if ((sp->c_fef & FEF_CU) || (sp->c_fef & FEF_DR) || ! 963: (sp->c_ief & IEF_RRMASK)) { ! 964: hwbn = RDBTOS(pbn + bp->b_blkno); ! 965: pbn = bp->b_blkno; ! 966: } else { ! 967: hwbn = sp->c_blk; ! 968: pbn = RDSTOB(hwbn) - pbn; ! 969: } ! 970: /* ! 971: * Now output a generic message suitable for badsect. ! 972: * Note that we don't use harderr cuz it just prints ! 973: * out b_blkno which is just the beginning block number ! 974: * of the transfer, not necessary where the error occured. ! 975: */ ! 976: printf("rd%d%c: hard error sn%d\n", ! 977: rdunit(bp->b_dev), 'a'+rdpart(bp->b_dev), pbn); ! 978: /* ! 979: * Now report the status as returned by the hardware with ! 980: * attempt at interpretation (unless debugging). ! 981: */ ! 982: printf("rd%d %s error:", ! 983: unit, (bp->b_flags & B_READ) ? "read" : "write"); ! 984: #ifdef DEBUG ! 985: if (rddebug & RDB_ERROR) { ! 986: /* status info */ ! 987: printf("\n volume: %d, unit: %d\n", ! 988: (sp->c_vu>>4)&0xF, sp->c_vu&0xF); ! 989: rdprinterr("reject", sp->c_ref, err_reject); ! 990: rdprinterr("fault", sp->c_fef, err_fault); ! 991: rdprinterr("access", sp->c_aef, err_access); ! 992: rdprinterr("info", sp->c_ief, err_info); ! 993: printf(" block: %d, P1-P10: ", hwbn); ! 994: printf("%s", hexstr(*(u_int *)&sp->c_raw[0], 8)); ! 995: printf("%s", hexstr(*(u_int *)&sp->c_raw[4], 8)); ! 996: printf("%s\n", hexstr(*(u_short *)&sp->c_raw[8], 4)); ! 997: /* command */ ! 998: printf(" ioc: "); ! 999: printf("%s", hexstr(*(u_int *)&rs->sc_ioc.c_pad, 8)); ! 1000: printf("%s", hexstr(*(u_short *)&rs->sc_ioc.c_hiaddr, 4)); ! 1001: printf("%s", hexstr(*(u_int *)&rs->sc_ioc.c_addr, 8)); ! 1002: printf("%s", hexstr(*(u_short *)&rs->sc_ioc.c_nop2, 4)); ! 1003: printf("%s", hexstr(*(u_int *)&rs->sc_ioc.c_len, 8)); ! 1004: printf("%s\n", hexstr(*(u_short *)&rs->sc_ioc.c_cmd, 4)); ! 1005: return(1); ! 1006: } ! 1007: #endif ! 1008: printf(" v%d u%d, R0x%x F0x%x A0x%x I0x%x\n", ! 1009: (sp->c_vu>>4)&0xF, sp->c_vu&0xF, ! 1010: sp->c_ref, sp->c_fef, sp->c_aef, sp->c_ief); ! 1011: printf("P1-P10: "); ! 1012: printf("%s", hexstr(*(u_int *)&sp->c_raw[0], 8)); ! 1013: printf("%s", hexstr(*(u_int *)&sp->c_raw[4], 8)); ! 1014: printf("%s\n", hexstr(*(u_short *)&sp->c_raw[8], 4)); ! 1015: return(1); ! 1016: } ! 1017: ! 1018: int ! 1019: rdread(dev, uio, flags) ! 1020: dev_t dev; ! 1021: struct uio *uio; ! 1022: int flags; ! 1023: { ! 1024: register int unit = rdunit(dev); ! 1025: ! 1026: return (physio(rdstrategy, NULL, dev, B_READ, minphys, uio)); ! 1027: } ! 1028: ! 1029: int ! 1030: rdwrite(dev, uio, flags) ! 1031: dev_t dev; ! 1032: struct uio *uio; ! 1033: int flags; ! 1034: { ! 1035: register int unit = rdunit(dev); ! 1036: ! 1037: return (physio(rdstrategy, NULL, dev, B_WRITE, minphys, uio)); ! 1038: } ! 1039: ! 1040: int ! 1041: rdioctl(dev, cmd, data, flag, p) ! 1042: dev_t dev; ! 1043: int cmd; ! 1044: caddr_t data; ! 1045: int flag; ! 1046: struct proc *p; ! 1047: { ! 1048: return(EINVAL); ! 1049: } ! 1050: ! 1051: int ! 1052: rdsize(dev) ! 1053: dev_t dev; ! 1054: { ! 1055: register int unit = rdunit(dev); ! 1056: register struct rd_softc *rs = &rd_softc[unit]; ! 1057: ! 1058: if (unit >= NRD || (rs->sc_flags & RDF_ALIVE) == 0) ! 1059: return(-1); ! 1060: return(rs->sc_info->sizes[rdpart(dev)].nblocks); ! 1061: } ! 1062: ! 1063: #ifdef DEBUG ! 1064: rdprinterr(str, err, tab) ! 1065: char *str; ! 1066: short err; ! 1067: char *tab[]; ! 1068: { ! 1069: register int i; ! 1070: int printed; ! 1071: ! 1072: if (err == 0) ! 1073: return; ! 1074: printf(" %s error field:", str, err); ! 1075: printed = 0; ! 1076: for (i = 0; i < 16; i++) ! 1077: if (err & (0x8000 >> i)) ! 1078: printf("%s%s", printed++ ? " + " : " ", tab[i]); ! 1079: printf("\n"); ! 1080: } ! 1081: #endif ! 1082: ! 1083: /* ! 1084: * Non-interrupt driven, non-dma dump routine. ! 1085: */ ! 1086: int ! 1087: rddump(dev) ! 1088: dev_t dev; ! 1089: { ! 1090: int part = rdpart(dev); ! 1091: int unit = rdunit(dev); ! 1092: register struct rd_softc *rs = &rd_softc[unit]; ! 1093: register struct hp_device *hp = rs->sc_hd; ! 1094: register daddr_t baddr; ! 1095: register int maddr, pages, i; ! 1096: char stat; ! 1097: extern int lowram, dumpsize; ! 1098: #ifdef DEBUG ! 1099: extern int pmapdebug; ! 1100: pmapdebug = 0; ! 1101: #endif ! 1102: ! 1103: pages = dumpsize; ! 1104: #ifdef DEBUG ! 1105: if (rddebug & RDB_DUMP) ! 1106: printf("rddump(%x): u %d p %d dumplo %d ram %x pmem %d\n", ! 1107: dev, unit, part, dumplo, lowram, ctod(pages)); ! 1108: #endif ! 1109: /* is drive ok? */ ! 1110: if (unit >= NRD || (rs->sc_flags & RDF_ALIVE) == 0) ! 1111: return (ENXIO); ! 1112: /* HPIB idle? */ ! 1113: if (!hpibreq(&rs->sc_dq)) { ! 1114: #ifdef DEBUG ! 1115: /* is this a safe thing to do?? */ ! 1116: hpibreset(hp->hp_ctlr); ! 1117: rdreset(rs, rs->sc_hd); ! 1118: printf("[ drive %d reset ] ", unit); ! 1119: #else ! 1120: return (EFAULT); ! 1121: #endif ! 1122: } ! 1123: /* dump parameters in range? */ ! 1124: if (dumplo < 0 || dumplo >= rs->sc_info->sizes[part].nblocks) ! 1125: return (EINVAL); ! 1126: if (dumplo + ctod(pages) > rs->sc_info->sizes[part].nblocks) ! 1127: pages = dtoc(rs->sc_info->sizes[part].nblocks - dumplo); ! 1128: maddr = lowram; ! 1129: baddr = dumplo + rs->sc_info->nbpc * rs->sc_info->sizes[part].cyloff; ! 1130: #ifdef DEBUG ! 1131: if (rddebug & RDB_DUMP) ! 1132: printf("rddump: dumping %d pages from %x to disk block %d\n", ! 1133: pages, maddr, baddr); ! 1134: #endif ! 1135: for (i = 0; i < pages; i++) { ! 1136: #ifdef DEBUG ! 1137: #define NPGMB (1024*1024/NBPG) ! 1138: /* print out how many Mbs we have dumped */ ! 1139: if (i && (i % NPGMB) == 0) ! 1140: printf("%d ", i / NPGMB); ! 1141: #undef NPBMG ! 1142: #endif ! 1143: rs->sc_ioc.c_unit = C_SUNIT(rs->sc_punit); ! 1144: rs->sc_ioc.c_volume = C_SVOL(0); ! 1145: rs->sc_ioc.c_saddr = C_SADDR; ! 1146: rs->sc_ioc.c_hiaddr = 0; ! 1147: rs->sc_ioc.c_addr = RDBTOS(baddr); ! 1148: rs->sc_ioc.c_nop2 = C_NOP; ! 1149: rs->sc_ioc.c_slen = C_SLEN; ! 1150: rs->sc_ioc.c_len = NBPG; ! 1151: rs->sc_ioc.c_cmd = C_WRITE; ! 1152: hpibsend(hp->hp_ctlr, hp->hp_slave, C_CMD, ! 1153: &rs->sc_ioc.c_unit, sizeof(rs->sc_ioc)-2); ! 1154: if (hpibswait(hp->hp_ctlr, hp->hp_slave)) { ! 1155: #ifdef DEBUG ! 1156: if (rddebug & RDB_DUMP) ! 1157: printf("rddump: IOC wait timeout\n"); ! 1158: #endif ! 1159: return (EIO); ! 1160: } ! 1161: pmap_enter(pmap_kernel(), vmmap, maddr, VM_PROT_READ, TRUE); ! 1162: hpibsend(hp->hp_ctlr, hp->hp_slave, C_EXEC, vmmap, NBPG); ! 1163: if (hpibswait(hp->hp_ctlr, hp->hp_slave)) { ! 1164: #ifdef DEBUG ! 1165: if (rddebug & RDB_DUMP) ! 1166: printf("rddump: write wait timeout\n"); ! 1167: #endif ! 1168: } ! 1169: hpibrecv(hp->hp_ctlr, hp->hp_slave, C_QSTAT, &stat, 1); ! 1170: if (stat) { ! 1171: #ifdef DEBUG ! 1172: if (rddebug & RDB_DUMP) ! 1173: printf("rddump: write failed, status %x\n", ! 1174: stat); ! 1175: #endif ! 1176: return (EIO); ! 1177: } ! 1178: maddr += NBPG; ! 1179: baddr += ctod(1); ! 1180: } ! 1181: return (0); ! 1182: } ! 1183: #endif
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