dpt.c revision 1.45
1 /* $NetBSD: dpt.c,v 1.45 2005/12/11 12:21:26 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Andrew Doran, Charles M. Hannum and by Jason R. Thorpe of the Numerical 9 * Aerospace Simulation Facility, NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Copyright (c) 1996-2000 Distributed Processing Technology Corporation 42 * Copyright (c) 2000 Adaptec Corporation 43 * All rights reserved. 44 * 45 * TERMS AND CONDITIONS OF USE 46 * 47 * Redistribution and use in source form, with or without modification, are 48 * permitted provided that redistributions of source code must retain the 49 * above copyright notice, this list of conditions and the following disclaimer. 50 * 51 * This software is provided `as is' by Adaptec and any express or implied 52 * warranties, including, but not limited to, the implied warranties of 53 * merchantability and fitness for a particular purpose, are disclaimed. In no 54 * event shall Adaptec be liable for any direct, indirect, incidental, special, 55 * exemplary or consequential damages (including, but not limited to, 56 * procurement of substitute goods or services; loss of use, data, or profits; 57 * or business interruptions) however caused and on any theory of liability, 58 * whether in contract, strict liability, or tort (including negligence or 59 * otherwise) arising in any way out of the use of this driver software, even 60 * if advised of the possibility of such damage. 61 */ 62 63 /* 64 * Portions of this code fall under the following copyright: 65 * 66 * Originally written by Julian Elischer (julian (at) tfs.com) 67 * for TRW Financial Systems for use under the MACH(2.5) operating system. 68 * 69 * TRW Financial Systems, in accordance with their agreement with Carnegie 70 * Mellon University, makes this software available to CMU to distribute 71 * or use in any manner that they see fit as long as this message is kept with 72 * the software. For this reason TFS also grants any other persons or 73 * organisations permission to use or modify this software. 74 * 75 * TFS supplies this software to be publicly redistributed 76 * on the understanding that TFS is not responsible for the correct 77 * functioning of this software in any circumstances. 78 */ 79 80 #include <sys/cdefs.h> 81 __KERNEL_RCSID(0, "$NetBSD: dpt.c,v 1.45 2005/12/11 12:21:26 christos Exp $"); 82 83 #include <sys/param.h> 84 #include <sys/systm.h> 85 #include <sys/device.h> 86 #include <sys/queue.h> 87 #include <sys/buf.h> 88 #include <sys/endian.h> 89 #include <sys/conf.h> 90 91 #include <uvm/uvm_extern.h> 92 93 #include <machine/bus.h> 94 #ifdef i386 95 #include <machine/pio.h> 96 #endif 97 98 #include <dev/scsipi/scsi_all.h> 99 #include <dev/scsipi/scsipi_all.h> 100 #include <dev/scsipi/scsiconf.h> 101 102 #include <dev/ic/dptreg.h> 103 #include <dev/ic/dptvar.h> 104 105 #include <dev/i2o/dptivar.h> 106 107 #ifdef DEBUG 108 #define DPRINTF(x) printf x 109 #else 110 #define DPRINTF(x) 111 #endif 112 113 #define dpt_inb(x, o) \ 114 bus_space_read_1((x)->sc_iot, (x)->sc_ioh, (o)) 115 #define dpt_outb(x, o, d) \ 116 bus_space_write_1((x)->sc_iot, (x)->sc_ioh, (o), (d)) 117 118 static const char * const dpt_cname[] = { 119 "3334", "SmartRAID IV", 120 "3332", "SmartRAID IV", 121 "2144", "SmartCache IV", 122 "2044", "SmartCache IV", 123 "2142", "SmartCache IV", 124 "2042", "SmartCache IV", 125 "2041", "SmartCache IV", 126 "3224", "SmartRAID III", 127 "3222", "SmartRAID III", 128 "3021", "SmartRAID III", 129 "2124", "SmartCache III", 130 "2024", "SmartCache III", 131 "2122", "SmartCache III", 132 "2022", "SmartCache III", 133 "2021", "SmartCache III", 134 "2012", "SmartCache Plus", 135 "2011", "SmartCache Plus", 136 NULL, "<unknown>", 137 }; 138 139 static void *dpt_sdh; 140 141 dev_type_open(dptopen); 142 dev_type_ioctl(dptioctl); 143 144 const struct cdevsw dpt_cdevsw = { 145 dptopen, nullclose, noread, nowrite, dptioctl, 146 nostop, notty, nopoll, nommap, nokqfilter, 147 }; 148 149 extern struct cfdriver dpt_cd; 150 151 static struct dpt_sig dpt_sig = { 152 { 'd', 'P', 't', 'S', 'i', 'G'}, 153 SIG_VERSION, 154 #if defined(i386) 155 PROC_INTEL, 156 #elif defined(powerpc) 157 PROC_POWERPC, 158 #elif defined(alpha) 159 PROC_ALPHA, 160 #elif defined(__mips__) 161 PROC_MIPS, 162 #elif defined(sparc64) 163 PROC_ULTRASPARC, 164 #else 165 0xff, 166 #endif 167 #if defined(i386) 168 PROC_386 | PROC_486 | PROC_PENTIUM | PROC_SEXIUM, 169 #else 170 0, 171 #endif 172 FT_HBADRVR, 173 0, 174 OEM_DPT, 175 OS_FREE_BSD, /* XXX */ 176 CAP_ABOVE16MB, 177 DEV_ALL, 178 ADF_ALL_EATA, 179 0, 180 0, 181 DPT_VERSION, 182 DPT_REVISION, 183 DPT_SUBREVISION, 184 DPT_MONTH, 185 DPT_DAY, 186 DPT_YEAR, 187 "" /* Will be filled later */ 188 }; 189 190 static void dpt_ccb_abort(struct dpt_softc *, struct dpt_ccb *); 191 static void dpt_ccb_done(struct dpt_softc *, struct dpt_ccb *); 192 static int dpt_ccb_map(struct dpt_softc *, struct dpt_ccb *); 193 static int dpt_ccb_poll(struct dpt_softc *, struct dpt_ccb *); 194 static void dpt_ccb_unmap(struct dpt_softc *, struct dpt_ccb *); 195 static int dpt_cmd(struct dpt_softc *, struct dpt_ccb *, int, int); 196 static void dpt_ctlrinfo(struct dpt_softc *, struct dpt_eata_ctlrinfo *); 197 static void dpt_hba_inquire(struct dpt_softc *, struct eata_inquiry_data **); 198 static void dpt_minphys(struct buf *); 199 static int dpt_passthrough(struct dpt_softc *, struct eata_ucp *, 200 struct lwp *); 201 static void dpt_scsipi_request(struct scsipi_channel *, 202 scsipi_adapter_req_t, void *); 203 static void dpt_shutdown(void *); 204 static void dpt_sysinfo(struct dpt_softc *, struct dpt_sysinfo *); 205 static int dpt_wait(struct dpt_softc *, u_int8_t, u_int8_t, int); 206 207 static __inline__ struct dpt_ccb *dpt_ccb_alloc(struct dpt_softc *); 208 static __inline__ void dpt_ccb_free(struct dpt_softc *, struct dpt_ccb *); 209 210 static __inline__ struct dpt_ccb * 211 dpt_ccb_alloc(struct dpt_softc *sc) 212 { 213 struct dpt_ccb *ccb; 214 int s; 215 216 s = splbio(); 217 ccb = SLIST_FIRST(&sc->sc_ccb_free); 218 SLIST_REMOVE_HEAD(&sc->sc_ccb_free, ccb_chain); 219 splx(s); 220 221 return (ccb); 222 } 223 224 static __inline__ void 225 dpt_ccb_free(struct dpt_softc *sc, struct dpt_ccb *ccb) 226 { 227 int s; 228 229 ccb->ccb_flg = 0; 230 ccb->ccb_savesp = NULL; 231 s = splbio(); 232 SLIST_INSERT_HEAD(&sc->sc_ccb_free, ccb, ccb_chain); 233 splx(s); 234 } 235 236 /* 237 * Handle an interrupt from the HBA. 238 */ 239 int 240 dpt_intr(void *cookie) 241 { 242 struct dpt_softc *sc; 243 struct dpt_ccb *ccb; 244 struct eata_sp *sp; 245 volatile int junk; 246 int forus; 247 248 sc = cookie; 249 sp = sc->sc_stp; 250 forus = 0; 251 252 for (;;) { 253 /* 254 * HBA might have interrupted while we were dealing with the 255 * last completed command, since we ACK before we deal; keep 256 * polling. 257 */ 258 if ((dpt_inb(sc, HA_AUX_STATUS) & HA_AUX_INTR) == 0) 259 break; 260 forus = 1; 261 262 bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap, sc->sc_stpoff, 263 sizeof(struct eata_sp), BUS_DMASYNC_POSTREAD); 264 265 /* Might have looped before HBA can reset HBA_AUX_INTR. */ 266 if (sp->sp_ccbid == -1) { 267 DELAY(50); 268 269 if ((dpt_inb(sc, HA_AUX_STATUS) & HA_AUX_INTR) == 0) 270 return (0); 271 272 printf("%s: no status\n", sc->sc_dv.dv_xname); 273 274 /* Re-sync DMA map */ 275 bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap, 276 sc->sc_stpoff, sizeof(struct eata_sp), 277 BUS_DMASYNC_POSTREAD); 278 } 279 280 /* Make sure CCB ID from status packet is realistic. */ 281 if ((u_int)sp->sp_ccbid >= sc->sc_nccbs) { 282 printf("%s: bogus status (returned CCB id %d)\n", 283 sc->sc_dv.dv_xname, sp->sp_ccbid); 284 285 /* Ack the interrupt */ 286 sp->sp_ccbid = -1; 287 junk = dpt_inb(sc, HA_STATUS); 288 continue; 289 } 290 291 /* Sync up DMA map and cache cmd status. */ 292 ccb = sc->sc_ccbs + sp->sp_ccbid; 293 294 bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap, CCB_OFF(sc, ccb), 295 sizeof(struct dpt_ccb), BUS_DMASYNC_POSTWRITE); 296 297 ccb->ccb_hba_status = sp->sp_hba_status & 0x7f; 298 ccb->ccb_scsi_status = sp->sp_scsi_status; 299 if (ccb->ccb_savesp != NULL) 300 memcpy(ccb->ccb_savesp, sp, sizeof(*sp)); 301 302 /* 303 * Ack the interrupt and process the CCB. If this 304 * is a private CCB it's up to dpt_ccb_poll() to 305 * notice. 306 */ 307 sp->sp_ccbid = -1; 308 ccb->ccb_flg |= CCB_INTR; 309 junk = dpt_inb(sc, HA_STATUS); 310 if ((ccb->ccb_flg & CCB_PRIVATE) == 0) 311 dpt_ccb_done(sc, ccb); 312 else if ((ccb->ccb_flg & CCB_WAIT) != 0) 313 wakeup(ccb); 314 } 315 316 return (forus); 317 } 318 319 /* 320 * Initialize and attach the HBA. This is the entry point from bus 321 * specific probe-and-attach code. 322 */ 323 void 324 dpt_init(struct dpt_softc *sc, const char *intrstr) 325 { 326 struct scsipi_adapter *adapt; 327 struct scsipi_channel *chan; 328 struct eata_inquiry_data *ei; 329 int i, j, rv, rseg, maxchannel, maxtarget, mapsize; 330 bus_dma_segment_t seg; 331 struct eata_cfg *ec; 332 struct dpt_ccb *ccb; 333 char model[16]; 334 335 ec = &sc->sc_ec; 336 snprintf(dpt_sig.dsDescription, sizeof(dpt_sig.dsDescription), 337 "NetBSD %s DPT driver", osrelease); 338 339 /* 340 * Allocate the CCB/status packet/scratch DMA map and load. 341 */ 342 sc->sc_nccbs = 343 min(be16toh(*(int16_t *)ec->ec_queuedepth), DPT_MAX_CCBS); 344 sc->sc_stpoff = sc->sc_nccbs * sizeof(struct dpt_ccb); 345 sc->sc_scroff = sc->sc_stpoff + sizeof(struct eata_sp); 346 mapsize = sc->sc_nccbs * sizeof(struct dpt_ccb) + 347 DPT_SCRATCH_SIZE + sizeof(struct eata_sp); 348 349 if ((rv = bus_dmamem_alloc(sc->sc_dmat, mapsize, 350 PAGE_SIZE, 0, &seg, 1, &rseg, BUS_DMA_NOWAIT)) != 0) { 351 aprint_error("%s: unable to allocate CCBs, rv = %d\n", 352 sc->sc_dv.dv_xname, rv); 353 return; 354 } 355 356 if ((rv = bus_dmamem_map(sc->sc_dmat, &seg, rseg, mapsize, 357 (caddr_t *)&sc->sc_ccbs, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) != 0) { 358 aprint_error("%s: unable to map CCBs, rv = %d\n", 359 sc->sc_dv.dv_xname, rv); 360 return; 361 } 362 363 if ((rv = bus_dmamap_create(sc->sc_dmat, mapsize, 364 mapsize, 1, 0, BUS_DMA_NOWAIT, &sc->sc_dmamap)) != 0) { 365 aprint_error("%s: unable to create CCB DMA map, rv = %d\n", 366 sc->sc_dv.dv_xname, rv); 367 return; 368 } 369 370 if ((rv = bus_dmamap_load(sc->sc_dmat, sc->sc_dmamap, 371 sc->sc_ccbs, mapsize, NULL, BUS_DMA_NOWAIT)) != 0) { 372 aprint_error("%s: unable to load CCB DMA map, rv = %d\n", 373 sc->sc_dv.dv_xname, rv); 374 return; 375 } 376 377 sc->sc_stp = (struct eata_sp *)((caddr_t)sc->sc_ccbs + sc->sc_stpoff); 378 sc->sc_stppa = sc->sc_dmamap->dm_segs[0].ds_addr + sc->sc_stpoff; 379 sc->sc_scr = (caddr_t)sc->sc_ccbs + sc->sc_scroff; 380 sc->sc_scrpa = sc->sc_dmamap->dm_segs[0].ds_addr + sc->sc_scroff; 381 sc->sc_stp->sp_ccbid = -1; 382 383 /* 384 * Create the CCBs. 385 */ 386 SLIST_INIT(&sc->sc_ccb_free); 387 memset(sc->sc_ccbs, 0, sizeof(struct dpt_ccb) * sc->sc_nccbs); 388 389 for (i = 0, ccb = sc->sc_ccbs; i < sc->sc_nccbs; i++, ccb++) { 390 rv = bus_dmamap_create(sc->sc_dmat, DPT_MAX_XFER, 391 DPT_SG_SIZE, DPT_MAX_XFER, 0, 392 BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, 393 &ccb->ccb_dmamap_xfer); 394 if (rv) { 395 aprint_error("%s: can't create ccb dmamap (%d)\n", 396 sc->sc_dv.dv_xname, rv); 397 break; 398 } 399 400 ccb->ccb_id = i; 401 ccb->ccb_ccbpa = sc->sc_dmamap->dm_segs[0].ds_addr + 402 CCB_OFF(sc, ccb); 403 SLIST_INSERT_HEAD(&sc->sc_ccb_free, ccb, ccb_chain); 404 } 405 406 if (i == 0) { 407 aprint_error("%s: unable to create CCBs\n", sc->sc_dv.dv_xname); 408 return; 409 } else if (i != sc->sc_nccbs) { 410 aprint_error("%s: %d/%d CCBs created!\n", sc->sc_dv.dv_xname, 411 i, sc->sc_nccbs); 412 sc->sc_nccbs = i; 413 } 414 415 /* Set shutdownhook before we start any device activity. */ 416 if (dpt_sdh == NULL) 417 dpt_sdh = shutdownhook_establish(dpt_shutdown, NULL); 418 419 /* Get the inquiry data from the HBA. */ 420 dpt_hba_inquire(sc, &ei); 421 422 /* 423 * dpt0 at pci0 dev 12 function 0: DPT SmartRAID III (PM3224A/9X-R) 424 * dpt0: interrupting at irq 10 425 * dpt0: 64 queued commands, 1 channel(s), adapter on ID(s) 7 426 */ 427 for (i = 0; ei->ei_vendor[i] != ' ' && i < 8; i++) 428 ; 429 ei->ei_vendor[i] = '\0'; 430 431 for (i = 0; ei->ei_model[i] != ' ' && i < 7; i++) 432 model[i] = ei->ei_model[i]; 433 for (j = 0; ei->ei_suffix[j] != ' ' && j < 7; i++, j++) 434 model[i] = ei->ei_model[i]; 435 model[i] = '\0'; 436 437 /* Find the marketing name for the board. */ 438 for (i = 0; dpt_cname[i] != NULL; i += 2) 439 if (memcmp(ei->ei_model + 2, dpt_cname[i], 4) == 0) 440 break; 441 442 aprint_normal("%s %s (%s)\n", ei->ei_vendor, dpt_cname[i + 1], model); 443 444 if (intrstr != NULL) 445 aprint_normal("%s: interrupting at %s\n", sc->sc_dv.dv_xname, 446 intrstr); 447 448 maxchannel = (ec->ec_feat3 & EC_F3_MAX_CHANNEL_MASK) >> 449 EC_F3_MAX_CHANNEL_SHIFT; 450 maxtarget = (ec->ec_feat3 & EC_F3_MAX_TARGET_MASK) >> 451 EC_F3_MAX_TARGET_SHIFT; 452 453 aprint_normal("%s: %d queued commands, %d channel(s), adapter on ID(s)", 454 sc->sc_dv.dv_xname, sc->sc_nccbs, maxchannel + 1); 455 456 for (i = 0; i <= maxchannel; i++) { 457 sc->sc_hbaid[i] = ec->ec_hba[3 - i]; 458 aprint_normal(" %d", sc->sc_hbaid[i]); 459 } 460 aprint_normal("\n"); 461 462 /* 463 * Reset the SCSI controller chip(s) and bus. XXX Do we need to do 464 * this for each bus? 465 */ 466 if (dpt_cmd(sc, NULL, CP_IMMEDIATE, CPI_BUS_RESET)) 467 panic("%s: dpt_cmd failed", sc->sc_dv.dv_xname); 468 469 /* Fill in the scsipi_adapter. */ 470 adapt = &sc->sc_adapt; 471 memset(adapt, 0, sizeof(*adapt)); 472 adapt->adapt_dev = &sc->sc_dv; 473 adapt->adapt_nchannels = maxchannel + 1; 474 adapt->adapt_openings = sc->sc_nccbs - 1; 475 adapt->adapt_max_periph = sc->sc_nccbs - 1; 476 adapt->adapt_request = dpt_scsipi_request; 477 adapt->adapt_minphys = dpt_minphys; 478 479 for (i = 0; i <= maxchannel; i++) { 480 /* Fill in the scsipi_channel. */ 481 chan = &sc->sc_chans[i]; 482 memset(chan, 0, sizeof(*chan)); 483 chan->chan_adapter = adapt; 484 chan->chan_bustype = &scsi_bustype; 485 chan->chan_channel = i; 486 chan->chan_ntargets = maxtarget + 1; 487 chan->chan_nluns = ec->ec_maxlun + 1; 488 chan->chan_id = sc->sc_hbaid[i]; 489 config_found(&sc->sc_dv, chan, scsiprint); 490 } 491 } 492 493 /* 494 * Read the EATA configuration from the HBA and perform some sanity checks. 495 */ 496 int 497 dpt_readcfg(struct dpt_softc *sc) 498 { 499 struct eata_cfg *ec; 500 int i, j, stat; 501 u_int16_t *p; 502 503 ec = &sc->sc_ec; 504 505 /* Older firmware may puke if we talk to it too soon after reset. */ 506 dpt_outb(sc, HA_COMMAND, CP_RESET); 507 DELAY(750000); 508 509 for (i = 1000; i; i--) { 510 if ((dpt_inb(sc, HA_STATUS) & HA_ST_READY) != 0) 511 break; 512 DELAY(2000); 513 } 514 515 if (i == 0) { 516 printf("%s: HBA not ready after reset (hba status:%02x)\n", 517 sc->sc_dv.dv_xname, dpt_inb(sc, HA_STATUS)); 518 return (-1); 519 } 520 521 while((((stat = dpt_inb(sc, HA_STATUS)) 522 != (HA_ST_READY|HA_ST_SEEK_COMPLETE)) 523 && (stat != (HA_ST_READY|HA_ST_SEEK_COMPLETE|HA_ST_ERROR)) 524 && (stat != (HA_ST_READY|HA_ST_SEEK_COMPLETE|HA_ST_ERROR|HA_ST_DRQ))) 525 || (dpt_wait(sc, HA_ST_BUSY, 0, 2000))) { 526 /* RAID drives still spinning up? */ 527 if(dpt_inb(sc, HA_ERROR) != 'D' || 528 dpt_inb(sc, HA_ERROR + 1) != 'P' || 529 dpt_inb(sc, HA_ERROR + 2) != 'T') { 530 printf("%s: HBA not ready\n", sc->sc_dv.dv_xname); 531 return (-1); 532 } 533 } 534 535 /* 536 * Issue the read-config command and wait for the data to appear. 537 * 538 * Apparently certian firmware revisions won't DMA later on if we 539 * request the config data using PIO, but it makes it a lot easier 540 * as no DMA setup is required. 541 */ 542 dpt_outb(sc, HA_COMMAND, CP_PIO_GETCFG); 543 memset(ec, 0, sizeof(*ec)); 544 i = ((int)&((struct eata_cfg *)0)->ec_cfglen + 545 sizeof(ec->ec_cfglen)) >> 1; 546 p = (u_int16_t *)ec; 547 548 if (dpt_wait(sc, 0xFF, HA_ST_DATA_RDY, 2000)) { 549 printf("%s: cfg data didn't appear (hba status:%02x)\n", 550 sc->sc_dv.dv_xname, dpt_inb(sc, HA_STATUS)); 551 return (-1); 552 } 553 554 /* Begin reading. */ 555 while (i--) 556 *p++ = bus_space_read_stream_2(sc->sc_iot, sc->sc_ioh, HA_DATA); 557 558 if ((i = ec->ec_cfglen) > (sizeof(struct eata_cfg) 559 - (int)(&(((struct eata_cfg *)0L)->ec_cfglen)) 560 - sizeof(ec->ec_cfglen))) 561 i = sizeof(struct eata_cfg) 562 - (int)(&(((struct eata_cfg *)0L)->ec_cfglen)) 563 - sizeof(ec->ec_cfglen); 564 565 j = i + (int)(&(((struct eata_cfg *)0L)->ec_cfglen)) + 566 sizeof(ec->ec_cfglen); 567 i >>= 1; 568 569 while (i--) 570 *p++ = bus_space_read_stream_2(sc->sc_iot, sc->sc_ioh, HA_DATA); 571 572 /* Flush until we have read 512 bytes. */ 573 i = (512 - j + 1) >> 1; 574 while (i--) 575 bus_space_read_stream_2(sc->sc_iot, sc->sc_ioh, HA_DATA); 576 577 /* Defaults for older firmware... */ 578 if (p <= (u_short *)&ec->ec_hba[DPT_MAX_CHANNELS - 1]) 579 ec->ec_hba[DPT_MAX_CHANNELS - 1] = 7; 580 581 if ((dpt_inb(sc, HA_STATUS) & HA_ST_ERROR) != 0) { 582 printf("%s: HBA error\n", sc->sc_dv.dv_xname); 583 return (-1); 584 } 585 586 if (memcmp(ec->ec_eatasig, "EATA", 4) != 0) { 587 printf("%s: EATA signature mismatch\n", sc->sc_dv.dv_xname); 588 return (-1); 589 } 590 591 if ((ec->ec_feat0 & EC_F0_HBA_VALID) == 0) { 592 printf("%s: ec_hba field invalid\n", sc->sc_dv.dv_xname); 593 return (-1); 594 } 595 596 if ((ec->ec_feat0 & EC_F0_DMA_SUPPORTED) == 0) { 597 printf("%s: DMA not supported\n", sc->sc_dv.dv_xname); 598 return (-1); 599 } 600 601 return (0); 602 } 603 604 /* 605 * Our `shutdownhook' to cleanly shut down the HBA. The HBA must flush all 606 * data from it's cache and mark array groups as clean. 607 * 608 * XXX This doesn't always work (i.e., the HBA may still be flushing after 609 * we tell root that it's safe to power off). 610 */ 611 static void 612 dpt_shutdown(void *cookie) 613 { 614 extern struct cfdriver dpt_cd; 615 struct dpt_softc *sc; 616 int i; 617 618 printf("shutting down dpt devices..."); 619 620 for (i = 0; i < dpt_cd.cd_ndevs; i++) { 621 if ((sc = device_lookup(&dpt_cd, i)) == NULL) 622 continue; 623 dpt_cmd(sc, NULL, CP_IMMEDIATE, CPI_POWEROFF_WARN); 624 } 625 626 delay(10000*1000); 627 printf(" done\n"); 628 } 629 630 /* 631 * Send an EATA command to the HBA. 632 */ 633 static int 634 dpt_cmd(struct dpt_softc *sc, struct dpt_ccb *ccb, int eatacmd, int icmd) 635 { 636 u_int32_t pa; 637 int i, s; 638 639 s = splbio(); 640 641 for (i = 20000; i != 0; i--) { 642 if ((dpt_inb(sc, HA_AUX_STATUS) & HA_AUX_BUSY) == 0) 643 break; 644 DELAY(50); 645 } 646 if (i == 0) { 647 splx(s); 648 return (-1); 649 } 650 651 pa = (ccb != NULL ? ccb->ccb_ccbpa : 0); 652 dpt_outb(sc, HA_DMA_BASE + 0, (pa ) & 0xff); 653 dpt_outb(sc, HA_DMA_BASE + 1, (pa >> 8) & 0xff); 654 dpt_outb(sc, HA_DMA_BASE + 2, (pa >> 16) & 0xff); 655 dpt_outb(sc, HA_DMA_BASE + 3, (pa >> 24) & 0xff); 656 657 if (eatacmd == CP_IMMEDIATE) 658 dpt_outb(sc, HA_ICMD, icmd); 659 660 dpt_outb(sc, HA_COMMAND, eatacmd); 661 662 splx(s); 663 return (0); 664 } 665 666 /* 667 * Wait for the HBA status register to reach a specific state. 668 */ 669 static int 670 dpt_wait(struct dpt_softc *sc, u_int8_t mask, u_int8_t state, int ms) 671 { 672 673 for (ms *= 10; ms != 0; ms--) { 674 if ((dpt_inb(sc, HA_STATUS) & mask) == state) 675 return (0); 676 DELAY(100); 677 } 678 679 return (-1); 680 } 681 682 /* 683 * Spin waiting for a command to finish. The timeout value from the CCB is 684 * used. The CCB must be marked with CCB_PRIVATE, otherwise it'll will get 685 * recycled before we get a look at it. 686 */ 687 static int 688 dpt_ccb_poll(struct dpt_softc *sc, struct dpt_ccb *ccb) 689 { 690 int i, s; 691 692 #ifdef DEBUG 693 if ((ccb->ccb_flg & CCB_PRIVATE) == 0) 694 panic("dpt_ccb_poll: called for non-CCB_PRIVATE request"); 695 #endif 696 697 s = splbio(); 698 699 if ((ccb->ccb_flg & CCB_INTR) != 0) { 700 splx(s); 701 return (0); 702 } 703 704 for (i = ccb->ccb_timeout * 20; i != 0; i--) { 705 if ((dpt_inb(sc, HA_AUX_STATUS) & HA_AUX_INTR) != 0) 706 dpt_intr(sc); 707 if ((ccb->ccb_flg & CCB_INTR) != 0) 708 break; 709 DELAY(50); 710 } 711 712 splx(s); 713 return (i == 0); 714 } 715 716 /* 717 * We have a command which has been processed by the HBA, so now we look to 718 * see how the operation went. CCBs marked CCB_PRIVATE are not passed here 719 * by dpt_intr(). 720 */ 721 static void 722 dpt_ccb_done(struct dpt_softc *sc, struct dpt_ccb *ccb) 723 { 724 struct scsipi_xfer *xs; 725 726 xs = ccb->ccb_xs; 727 728 SC_DEBUG(xs->xs_periph, SCSIPI_DB2, ("dpt_ccb_done\n")); 729 730 /* 731 * If we were a data transfer, unload the map that described the 732 * data buffer. 733 */ 734 if (xs->datalen != 0) 735 dpt_ccb_unmap(sc, ccb); 736 737 if (xs->error == XS_NOERROR) { 738 if (ccb->ccb_hba_status != SP_HBA_NO_ERROR) { 739 switch (ccb->ccb_hba_status) { 740 case SP_HBA_ERROR_SEL_TO: 741 xs->error = XS_SELTIMEOUT; 742 break; 743 case SP_HBA_ERROR_RESET: 744 xs->error = XS_RESET; 745 break; 746 default: 747 printf("%s: HBA status %x\n", 748 sc->sc_dv.dv_xname, ccb->ccb_hba_status); 749 xs->error = XS_DRIVER_STUFFUP; 750 break; 751 } 752 } else if (ccb->ccb_scsi_status != SCSI_OK) { 753 switch (ccb->ccb_scsi_status) { 754 case SCSI_CHECK: 755 memcpy(&xs->sense.scsi_sense, &ccb->ccb_sense, 756 sizeof(xs->sense.scsi_sense)); 757 xs->error = XS_SENSE; 758 break; 759 case SCSI_BUSY: 760 case SCSI_QUEUE_FULL: 761 xs->error = XS_BUSY; 762 break; 763 default: 764 scsipi_printaddr(xs->xs_periph); 765 printf("SCSI status %x\n", 766 ccb->ccb_scsi_status); 767 xs->error = XS_DRIVER_STUFFUP; 768 break; 769 } 770 } else 771 xs->resid = 0; 772 773 xs->status = ccb->ccb_scsi_status; 774 } 775 776 /* Free up the CCB and mark the command as done. */ 777 dpt_ccb_free(sc, ccb); 778 scsipi_done(xs); 779 } 780 781 /* 782 * Specified CCB has timed out, abort it. 783 */ 784 static void 785 dpt_ccb_abort(struct dpt_softc *sc, struct dpt_ccb *ccb) 786 { 787 struct scsipi_periph *periph; 788 struct scsipi_xfer *xs; 789 int s; 790 791 xs = ccb->ccb_xs; 792 periph = xs->xs_periph; 793 794 scsipi_printaddr(periph); 795 printf("timed out (status:%02x aux status:%02x)", 796 dpt_inb(sc, HA_STATUS), dpt_inb(sc, HA_AUX_STATUS)); 797 798 s = splbio(); 799 800 if ((ccb->ccb_flg & CCB_ABORT) != 0) { 801 /* Abort timed out, reset the HBA */ 802 printf(" AGAIN, resetting HBA\n"); 803 dpt_outb(sc, HA_COMMAND, CP_RESET); 804 DELAY(750000); 805 } else { 806 /* Abort the operation that has timed out */ 807 printf("\n"); 808 xs->error = XS_TIMEOUT; 809 ccb->ccb_timeout = DPT_ABORT_TIMEOUT; 810 ccb->ccb_flg |= CCB_ABORT; 811 /* Start the abort */ 812 if (dpt_cmd(sc, ccb, CP_IMMEDIATE, CPI_SPEC_ABORT)) 813 printf("%s: dpt_cmd failed\n", sc->sc_dv.dv_xname); 814 } 815 816 splx(s); 817 } 818 819 /* 820 * Map a data transfer. 821 */ 822 static int 823 dpt_ccb_map(struct dpt_softc *sc, struct dpt_ccb *ccb) 824 { 825 struct scsipi_xfer *xs; 826 bus_dmamap_t xfer; 827 bus_dma_segment_t *ds; 828 struct eata_sg *sg; 829 struct eata_cp *cp; 830 int rv, i; 831 832 xs = ccb->ccb_xs; 833 xfer = ccb->ccb_dmamap_xfer; 834 cp = &ccb->ccb_eata_cp; 835 836 rv = bus_dmamap_load(sc->sc_dmat, xfer, xs->data, xs->datalen, NULL, 837 ((xs->xs_control & XS_CTL_NOSLEEP) != 0 ? 838 BUS_DMA_NOWAIT : BUS_DMA_WAITOK) | BUS_DMA_STREAMING | 839 ((xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMA_READ : BUS_DMA_WRITE)); 840 841 switch (rv) { 842 case 0: 843 break; 844 case ENOMEM: 845 case EAGAIN: 846 xs->error = XS_RESOURCE_SHORTAGE; 847 break; 848 default: 849 xs->error = XS_DRIVER_STUFFUP; 850 printf("%s: error %d loading map\n", sc->sc_dv.dv_xname, rv); 851 break; 852 } 853 854 if (xs->error != XS_NOERROR) { 855 dpt_ccb_free(sc, ccb); 856 scsipi_done(xs); 857 return (-1); 858 } 859 860 bus_dmamap_sync(sc->sc_dmat, xfer, 0, xfer->dm_mapsize, 861 (xs->xs_control & XS_CTL_DATA_IN) != 0 ? BUS_DMASYNC_PREREAD : 862 BUS_DMASYNC_PREWRITE); 863 864 /* Don't bother using scatter/gather for just 1 seg */ 865 if (xfer->dm_nsegs == 1) { 866 cp->cp_dataaddr = htobe32(xfer->dm_segs[0].ds_addr); 867 cp->cp_datalen = htobe32(xfer->dm_segs[0].ds_len); 868 } else { 869 /* 870 * Load the hardware scatter/gather map with 871 * the contents of the DMA map. 872 */ 873 sg = ccb->ccb_sg; 874 ds = xfer->dm_segs; 875 for (i = 0; i < xfer->dm_nsegs; i++, sg++, ds++) { 876 sg->sg_addr = htobe32(ds->ds_addr); 877 sg->sg_len = htobe32(ds->ds_len); 878 } 879 cp->cp_dataaddr = htobe32(CCB_OFF(sc, ccb) + 880 sc->sc_dmamap->dm_segs[0].ds_addr + 881 offsetof(struct dpt_ccb, ccb_sg)); 882 cp->cp_datalen = htobe32(i * sizeof(struct eata_sg)); 883 cp->cp_ctl0 |= CP_C0_SCATTER; 884 } 885 886 return (0); 887 } 888 889 /* 890 * Unmap a transfer. 891 */ 892 static void 893 dpt_ccb_unmap(struct dpt_softc *sc, struct dpt_ccb *ccb) 894 { 895 896 bus_dmamap_sync(sc->sc_dmat, ccb->ccb_dmamap_xfer, 0, 897 ccb->ccb_dmamap_xfer->dm_mapsize, 898 (ccb->ccb_eata_cp.cp_ctl0 & CP_C0_DATA_IN) != 0 ? 899 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 900 bus_dmamap_unload(sc->sc_dmat, ccb->ccb_dmamap_xfer); 901 } 902 903 /* 904 * Adjust the size of each I/O before it passes to the SCSI layer. 905 */ 906 static void 907 dpt_minphys(struct buf *bp) 908 { 909 910 if (bp->b_bcount > DPT_MAX_XFER) 911 bp->b_bcount = DPT_MAX_XFER; 912 minphys(bp); 913 } 914 915 /* 916 * Start a SCSI command. 917 */ 918 static void 919 dpt_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req, 920 void *arg) 921 { 922 struct dpt_softc *sc; 923 struct scsipi_xfer *xs; 924 int flags; 925 struct scsipi_periph *periph; 926 struct dpt_ccb *ccb; 927 struct eata_cp *cp; 928 929 sc = (struct dpt_softc *)chan->chan_adapter->adapt_dev; 930 931 switch (req) { 932 case ADAPTER_REQ_RUN_XFER: 933 xs = arg; 934 periph = xs->xs_periph; 935 flags = xs->xs_control; 936 937 #ifdef DIAGNOSTIC 938 /* Cmds must be no more than 12 bytes for us. */ 939 if (xs->cmdlen > 12) { 940 xs->error = XS_DRIVER_STUFFUP; 941 scsipi_done(xs); 942 break; 943 } 944 #endif 945 /* 946 * XXX We can't reset devices just yet. Apparently some 947 * older firmware revisions don't even support it. 948 */ 949 if ((flags & XS_CTL_RESET) != 0) { 950 xs->error = XS_DRIVER_STUFFUP; 951 scsipi_done(xs); 952 break; 953 } 954 955 /* 956 * Get a CCB and fill it. 957 */ 958 ccb = dpt_ccb_alloc(sc); 959 ccb->ccb_xs = xs; 960 ccb->ccb_timeout = xs->timeout; 961 962 cp = &ccb->ccb_eata_cp; 963 memcpy(&cp->cp_cdb_cmd, xs->cmd, xs->cmdlen); 964 cp->cp_ccbid = ccb->ccb_id; 965 cp->cp_senselen = sizeof(ccb->ccb_sense); 966 cp->cp_stataddr = htobe32(sc->sc_stppa); 967 cp->cp_ctl0 = CP_C0_AUTO_SENSE; 968 cp->cp_ctl1 = 0; 969 cp->cp_ctl2 = 0; 970 cp->cp_ctl3 = periph->periph_target << CP_C3_ID_SHIFT; 971 cp->cp_ctl3 |= chan->chan_channel << CP_C3_CHANNEL_SHIFT; 972 cp->cp_ctl4 = periph->periph_lun << CP_C4_LUN_SHIFT; 973 cp->cp_ctl4 |= CP_C4_DIS_PRI | CP_C4_IDENTIFY; 974 975 if ((flags & XS_CTL_DATA_IN) != 0) 976 cp->cp_ctl0 |= CP_C0_DATA_IN; 977 if ((flags & XS_CTL_DATA_OUT) != 0) 978 cp->cp_ctl0 |= CP_C0_DATA_OUT; 979 if (sc->sc_hbaid[chan->chan_channel] == periph->periph_target) 980 cp->cp_ctl0 |= CP_C0_INTERPRET; 981 982 /* Synchronous xfers musn't write-back through the cache. */ 983 if (xs->bp != NULL) 984 if ((xs->bp->b_flags & (B_ASYNC | B_READ)) == 0) 985 cp->cp_ctl2 |= CP_C2_NO_CACHE; 986 987 cp->cp_senseaddr = 988 htobe32(sc->sc_dmamap->dm_segs[0].ds_addr + 989 CCB_OFF(sc, ccb) + offsetof(struct dpt_ccb, ccb_sense)); 990 991 if (xs->datalen != 0) { 992 if (dpt_ccb_map(sc, ccb)) 993 break; 994 } else { 995 cp->cp_dataaddr = 0; 996 cp->cp_datalen = 0; 997 } 998 999 /* Sync up CCB and status packet. */ 1000 bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap, 1001 CCB_OFF(sc, ccb), sizeof(struct dpt_ccb), 1002 BUS_DMASYNC_PREWRITE); 1003 bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap, sc->sc_stpoff, 1004 sizeof(struct eata_sp), BUS_DMASYNC_PREREAD); 1005 1006 /* 1007 * Start the command. 1008 */ 1009 if ((xs->xs_control & XS_CTL_POLL) != 0) 1010 ccb->ccb_flg |= CCB_PRIVATE; 1011 1012 if (dpt_cmd(sc, ccb, CP_DMA_CMD, 0)) { 1013 printf("%s: dpt_cmd failed\n", sc->sc_dv.dv_xname); 1014 xs->error = XS_DRIVER_STUFFUP; 1015 if (xs->datalen != 0) 1016 dpt_ccb_unmap(sc, ccb); 1017 dpt_ccb_free(sc, ccb); 1018 break; 1019 } 1020 1021 if ((xs->xs_control & XS_CTL_POLL) == 0) 1022 break; 1023 1024 if (dpt_ccb_poll(sc, ccb)) { 1025 dpt_ccb_abort(sc, ccb); 1026 /* Wait for abort to complete... */ 1027 if (dpt_ccb_poll(sc, ccb)) 1028 dpt_ccb_abort(sc, ccb); 1029 } 1030 1031 dpt_ccb_done(sc, ccb); 1032 break; 1033 1034 case ADAPTER_REQ_GROW_RESOURCES: 1035 /* 1036 * Not supported, since we allocate the maximum number of 1037 * CCBs up front. 1038 */ 1039 break; 1040 1041 case ADAPTER_REQ_SET_XFER_MODE: 1042 /* 1043 * This will be handled by the HBA itself, and we can't 1044 * modify that (ditto for tagged queueing). 1045 */ 1046 break; 1047 } 1048 } 1049 1050 /* 1051 * Get inquiry data from the adapter. 1052 */ 1053 static void 1054 dpt_hba_inquire(struct dpt_softc *sc, struct eata_inquiry_data **ei) 1055 { 1056 struct dpt_ccb *ccb; 1057 struct eata_cp *cp; 1058 1059 *ei = (struct eata_inquiry_data *)sc->sc_scr; 1060 1061 /* Get a CCB and mark as private */ 1062 ccb = dpt_ccb_alloc(sc); 1063 ccb->ccb_flg |= CCB_PRIVATE; 1064 ccb->ccb_timeout = 200; 1065 1066 /* Put all the arguments into the CCB. */ 1067 cp = &ccb->ccb_eata_cp; 1068 cp->cp_ccbid = ccb->ccb_id; 1069 cp->cp_senselen = sizeof(ccb->ccb_sense); 1070 cp->cp_senseaddr = 0; 1071 cp->cp_stataddr = htobe32(sc->sc_stppa); 1072 cp->cp_dataaddr = htobe32(sc->sc_scrpa); 1073 cp->cp_datalen = htobe32(sizeof(struct eata_inquiry_data)); 1074 cp->cp_ctl0 = CP_C0_DATA_IN | CP_C0_INTERPRET; 1075 cp->cp_ctl1 = 0; 1076 cp->cp_ctl2 = 0; 1077 cp->cp_ctl3 = sc->sc_hbaid[0] << CP_C3_ID_SHIFT; 1078 cp->cp_ctl4 = CP_C4_DIS_PRI | CP_C4_IDENTIFY; 1079 1080 /* Put together the SCSI inquiry command. */ 1081 memset(&cp->cp_cdb_cmd, 0, 12); 1082 cp->cp_cdb_cmd = INQUIRY; 1083 cp->cp_cdb_len = sizeof(struct eata_inquiry_data); 1084 1085 /* Sync up CCB, status packet and scratch area. */ 1086 bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap, CCB_OFF(sc, ccb), 1087 sizeof(struct dpt_ccb), BUS_DMASYNC_PREWRITE); 1088 bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap, sc->sc_stpoff, 1089 sizeof(struct eata_sp), BUS_DMASYNC_PREREAD); 1090 bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap, sc->sc_scroff, 1091 sizeof(struct eata_inquiry_data), BUS_DMASYNC_PREREAD); 1092 1093 /* Start the command and poll on completion. */ 1094 if (dpt_cmd(sc, ccb, CP_DMA_CMD, 0)) 1095 panic("%s: dpt_cmd failed", sc->sc_dv.dv_xname); 1096 1097 if (dpt_ccb_poll(sc, ccb)) 1098 panic("%s: inquiry timed out", sc->sc_dv.dv_xname); 1099 1100 if (ccb->ccb_hba_status != SP_HBA_NO_ERROR || 1101 ccb->ccb_scsi_status != SCSI_OK) 1102 panic("%s: inquiry failed (hba:%02x scsi:%02x)", 1103 sc->sc_dv.dv_xname, ccb->ccb_hba_status, 1104 ccb->ccb_scsi_status); 1105 1106 /* Sync up the DMA map and free CCB, returning. */ 1107 bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap, sc->sc_scroff, 1108 sizeof(struct eata_inquiry_data), BUS_DMASYNC_POSTREAD); 1109 dpt_ccb_free(sc, ccb); 1110 } 1111 1112 int 1113 dptopen(dev_t dev, int flag, int mode, struct lwp *l) 1114 { 1115 1116 if (securelevel > 1) 1117 return (EPERM); 1118 if (device_lookup(&dpt_cd, minor(dev)) == NULL) 1119 return (ENXIO); 1120 1121 return (0); 1122 } 1123 1124 int 1125 dptioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct lwp *l) 1126 { 1127 struct dpt_softc *sc; 1128 int rv; 1129 1130 sc = device_lookup(&dpt_cd, minor(dev)); 1131 1132 switch (cmd & 0xffff) { 1133 case DPT_SIGNATURE: 1134 memcpy(data, &dpt_sig, min(IOCPARM_LEN(cmd), sizeof(dpt_sig))); 1135 break; 1136 1137 case DPT_CTRLINFO: 1138 dpt_ctlrinfo(sc, (struct dpt_eata_ctlrinfo *)data); 1139 break; 1140 1141 case DPT_SYSINFO: 1142 dpt_sysinfo(sc, (struct dpt_sysinfo *)data); 1143 break; 1144 1145 case DPT_BLINKLED: 1146 /* 1147 * XXX Don't know how to get this from EATA boards. I think 1148 * it involves waiting for a "DPT" sequence from HA_ERROR 1149 * and then reading one of the HA_ICMD registers. 1150 */ 1151 *(int *)data = 0; 1152 break; 1153 1154 case DPT_EATAUSRCMD: 1155 if (IOCPARM_LEN(cmd) < sizeof(struct eata_ucp)) { 1156 DPRINTF(("%s: ucp %lu vs %lu bytes\n", 1157 sc->sc_dv.dv_xname, IOCPARM_LEN(cmd), 1158 (unsigned long int)sizeof(struct eata_ucp))); 1159 return (EINVAL); 1160 } 1161 1162 if (sc->sc_uactive++) 1163 tsleep(&sc->sc_uactive, PRIBIO, "dptslp", 0); 1164 1165 rv = dpt_passthrough(sc, (struct eata_ucp *)data, l); 1166 1167 sc->sc_uactive--; 1168 wakeup_one(&sc->sc_uactive); 1169 return (rv); 1170 1171 default: 1172 DPRINTF(("%s: unknown ioctl %lx\n", sc->sc_dv.dv_xname, cmd)); 1173 return (ENOTTY); 1174 } 1175 1176 return (0); 1177 } 1178 1179 void 1180 dpt_ctlrinfo(struct dpt_softc *sc, struct dpt_eata_ctlrinfo *info) 1181 { 1182 1183 memset(info, 0, sizeof(*info)); 1184 info->id = sc->sc_hbaid[0]; 1185 info->vect = sc->sc_isairq; 1186 info->base = sc->sc_isaport; 1187 info->qdepth = sc->sc_nccbs; 1188 info->sgsize = DPT_SG_SIZE * sizeof(struct eata_sg); 1189 info->heads = 16; 1190 info->sectors = 63; 1191 info->do_drive32 = 1; 1192 info->primary = 1; 1193 info->cpLength = sizeof(struct eata_cp); 1194 info->spLength = sizeof(struct eata_sp); 1195 info->drqNum = sc->sc_isadrq; 1196 } 1197 1198 void 1199 dpt_sysinfo(struct dpt_softc *sc, struct dpt_sysinfo *info) 1200 { 1201 #ifdef i386 1202 int i, j; 1203 #endif 1204 1205 memset(info, 0, sizeof(*info)); 1206 1207 #ifdef i386 1208 outb (0x70, 0x12); 1209 i = inb(0x71); 1210 j = i >> 4; 1211 if (i == 0x0f) { 1212 outb (0x70, 0x19); 1213 j = inb (0x71); 1214 } 1215 info->drive0CMOS = j; 1216 1217 j = i & 0x0f; 1218 if (i == 0x0f) { 1219 outb (0x70, 0x1a); 1220 j = inb (0x71); 1221 } 1222 info->drive1CMOS = j; 1223 info->processorFamily = dpt_sig.dsProcessorFamily; 1224 1225 /* 1226 * Get the conventional memory size from CMOS. 1227 */ 1228 outb(0x70, 0x16); 1229 j = inb(0x71); 1230 j <<= 8; 1231 outb(0x70, 0x15); 1232 j |= inb(0x71); 1233 info->conventionalMemSize = j; 1234 1235 /* 1236 * Get the extended memory size from CMOS. 1237 */ 1238 outb(0x70, 0x31); 1239 j = inb(0x71); 1240 j <<= 8; 1241 outb(0x70, 0x30); 1242 j |= inb(0x71); 1243 info->extendedMemSize = j; 1244 1245 switch (cpu_class) { 1246 case CPUCLASS_386: 1247 info->processorType = PROC_386; 1248 break; 1249 case CPUCLASS_486: 1250 info->processorType = PROC_486; 1251 break; 1252 case CPUCLASS_586: 1253 info->processorType = PROC_PENTIUM; 1254 break; 1255 case CPUCLASS_686: 1256 default: 1257 info->processorType = PROC_SEXIUM; 1258 break; 1259 } 1260 1261 info->flags = SI_CMOS_Valid | SI_BusTypeValid | 1262 SI_MemorySizeValid | SI_NO_SmartROM; 1263 #else 1264 info->flags = SI_BusTypeValid | SI_NO_SmartROM; 1265 #endif 1266 1267 info->busType = sc->sc_bustype; 1268 } 1269 1270 int 1271 dpt_passthrough(struct dpt_softc *sc, struct eata_ucp *ucp, struct lwp *l) 1272 { 1273 struct dpt_ccb *ccb; 1274 struct eata_sp sp; 1275 struct eata_cp *cp; 1276 struct eata_sg *sg; 1277 bus_dmamap_t xfer = 0; /* XXX: gcc */ 1278 bus_dma_segment_t *ds; 1279 int datain = 0, s, rv = 0, i, uslen; /* XXX: gcc */ 1280 1281 /* 1282 * Get a CCB and fill. 1283 */ 1284 ccb = dpt_ccb_alloc(sc); 1285 ccb->ccb_flg |= CCB_PRIVATE | CCB_WAIT; 1286 ccb->ccb_timeout = 0; 1287 ccb->ccb_savesp = &sp; 1288 1289 cp = &ccb->ccb_eata_cp; 1290 memcpy(cp, ucp->ucp_cp, sizeof(ucp->ucp_cp)); 1291 uslen = cp->cp_senselen; 1292 cp->cp_ccbid = ccb->ccb_id; 1293 cp->cp_senselen = sizeof(ccb->ccb_sense); 1294 cp->cp_senseaddr = htobe32(sc->sc_dmamap->dm_segs[0].ds_addr + 1295 CCB_OFF(sc, ccb) + offsetof(struct dpt_ccb, ccb_sense)); 1296 cp->cp_stataddr = htobe32(sc->sc_stppa); 1297 1298 /* 1299 * Map data transfers. 1300 */ 1301 if (ucp->ucp_dataaddr && ucp->ucp_datalen) { 1302 xfer = ccb->ccb_dmamap_xfer; 1303 datain = ((cp->cp_ctl0 & CP_C0_DATA_IN) != 0); 1304 1305 if (ucp->ucp_datalen > DPT_MAX_XFER) { 1306 DPRINTF(("%s: xfer too big\n", sc->sc_dv.dv_xname)); 1307 dpt_ccb_free(sc, ccb); 1308 return (EFBIG); 1309 } 1310 rv = bus_dmamap_load(sc->sc_dmat, xfer, 1311 ucp->ucp_dataaddr, ucp->ucp_datalen, l->l_proc, 1312 BUS_DMA_WAITOK | BUS_DMA_STREAMING | 1313 (datain ? BUS_DMA_READ : BUS_DMA_WRITE)); 1314 if (rv != 0) { 1315 DPRINTF(("%s: map failed; %d\n", sc->sc_dv.dv_xname, 1316 rv)); 1317 dpt_ccb_free(sc, ccb); 1318 return (rv); 1319 } 1320 1321 bus_dmamap_sync(sc->sc_dmat, xfer, 0, xfer->dm_mapsize, 1322 (datain ? BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE)); 1323 1324 sg = ccb->ccb_sg; 1325 ds = xfer->dm_segs; 1326 for (i = 0; i < xfer->dm_nsegs; i++, sg++, ds++) { 1327 sg->sg_addr = htobe32(ds->ds_addr); 1328 sg->sg_len = htobe32(ds->ds_len); 1329 } 1330 cp->cp_dataaddr = htobe32(CCB_OFF(sc, ccb) + 1331 sc->sc_dmamap->dm_segs[0].ds_addr + 1332 offsetof(struct dpt_ccb, ccb_sg)); 1333 cp->cp_datalen = htobe32(i * sizeof(struct eata_sg)); 1334 cp->cp_ctl0 |= CP_C0_SCATTER; 1335 } else { 1336 cp->cp_dataaddr = 0; 1337 cp->cp_datalen = 0; 1338 } 1339 1340 /* 1341 * Start the command and sleep on completion. 1342 */ 1343 PHOLD(curlwp); /* XXXJRT curlwp */ 1344 bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap, CCB_OFF(sc, ccb), 1345 sizeof(struct dpt_ccb), BUS_DMASYNC_PREWRITE); 1346 s = splbio(); 1347 bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap, sc->sc_stpoff, 1348 sizeof(struct eata_sp), BUS_DMASYNC_PREREAD); 1349 if (dpt_cmd(sc, ccb, CP_DMA_CMD, 0)) 1350 panic("%s: dpt_cmd failed", sc->sc_dv.dv_xname); 1351 tsleep(ccb, PWAIT, "dptucmd", 0); 1352 splx(s); 1353 PRELE(curlwp); /* XXXJRT curlwp */ 1354 1355 /* 1356 * Sync up the DMA map and copy out results. 1357 */ 1358 bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamap, CCB_OFF(sc, ccb), 1359 sizeof(struct dpt_ccb), BUS_DMASYNC_POSTWRITE); 1360 1361 if (cp->cp_datalen != 0) { 1362 bus_dmamap_sync(sc->sc_dmat, xfer, 0, xfer->dm_mapsize, 1363 (datain ? BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE)); 1364 bus_dmamap_unload(sc->sc_dmat, xfer); 1365 } 1366 1367 if (ucp->ucp_stataddr != NULL) { 1368 rv = copyout(&sp, ucp->ucp_stataddr, sizeof(sp)); 1369 if (rv != 0) 1370 DPRINTF(("%s: sp copyout() failed\n", 1371 sc->sc_dv.dv_xname)); 1372 } 1373 if (rv == 0 && ucp->ucp_senseaddr != NULL) { 1374 i = min(uslen, sizeof(ccb->ccb_sense)); 1375 rv = copyout(&ccb->ccb_sense, ucp->ucp_senseaddr, i); 1376 if (rv != 0) 1377 DPRINTF(("%s: sense copyout() failed\n", 1378 sc->sc_dv.dv_xname)); 1379 } 1380 1381 ucp->ucp_hstatus = (u_int8_t)ccb->ccb_hba_status; 1382 ucp->ucp_tstatus = (u_int8_t)ccb->ccb_scsi_status; 1383 dpt_ccb_free(sc, ccb); 1384 return (rv); 1385 } 1386
Indexes created Mon Sep 22 13:09:51 GMT 2025