1 /* $NetBSD: ciss.c,v 1.35 2015/03/12 19:56:51 christos Exp $ */ 2 /* $OpenBSD: ciss.c,v 1.68 2013/05/30 16:15:02 deraadt Exp $ */ 3 4 /* 5 * Copyright (c) 2005,2006 Michael Shalayeff 6 * All rights reserved. 7 * 8 * Permission to use, copy, modify, and distribute this software for any 9 * purpose with or without fee is hereby granted, provided that the above 10 * copyright notice and this permission notice appear in all copies. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 16 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN 17 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT 18 * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19 */ 20 21 #include <sys/cdefs.h> 22 __KERNEL_RCSID(0, "$NetBSD: ciss.c,v 1.35 2015/03/12 19:56:51 christos Exp $"); 23 24 #include "bio.h" 25 26 /* #define CISS_DEBUG */ 27 28 #include <sys/param.h> 29 #include <sys/systm.h> 30 #include <sys/buf.h> 31 #include <sys/ioctl.h> 32 #include <sys/device.h> 33 #include <sys/kernel.h> 34 #include <sys/malloc.h> 35 #include <sys/proc.h> 36 37 #include <sys/bus.h> 38 39 #include <dev/scsipi/scsi_all.h> 40 #include <dev/scsipi/scsi_disk.h> 41 #include <dev/scsipi/scsiconf.h> 42 #include <dev/scsipi/scsipi_all.h> 43 44 #include <dev/ic/cissreg.h> 45 #include <dev/ic/cissvar.h> 46 47 #if NBIO > 0 48 #include <dev/biovar.h> 49 #endif /* NBIO > 0 */ 50 51 #ifdef CISS_DEBUG 52 #define CISS_DPRINTF(m,a) if (ciss_debug & (m)) printf a 53 #define CISS_D_CMD 0x0001 54 #define CISS_D_INTR 0x0002 55 #define CISS_D_MISC 0x0004 56 #define CISS_D_DMA 0x0008 57 #define CISS_D_IOCTL 0x0010 58 #define CISS_D_ERR 0x0020 59 int ciss_debug = 0 60 | CISS_D_CMD 61 | CISS_D_INTR 62 | CISS_D_MISC 63 | CISS_D_DMA 64 | CISS_D_IOCTL 65 | CISS_D_ERR 66 ; 67 #else 68 #define CISS_DPRINTF(m,a) /* m, a */ 69 #endif 70 71 static void ciss_scsi_cmd(struct scsipi_channel *chan, 72 scsipi_adapter_req_t req, void *arg); 73 static int ciss_scsi_ioctl(struct scsipi_channel *chan, u_long cmd, 74 void *addr, int flag, struct proc *p); 75 static void cissminphys(struct buf *bp); 76 77 #if 0 78 static void ciss_scsi_raw_cmd(struct scsipi_channel *chan, 79 scsipi_adapter_req_t req, void *arg); 80 #endif 81 82 static int ciss_sync(struct ciss_softc *sc); 83 static void ciss_heartbeat(void *v); 84 static void ciss_shutdown(void *v); 85 86 static struct ciss_ccb *ciss_get_ccb(struct ciss_softc *sc); 87 static void ciss_put_ccb(struct ciss_ccb *ccb); 88 static int ciss_cmd(struct ciss_ccb *ccb, int flags, int wait); 89 static int ciss_done(struct ciss_ccb *ccb); 90 static int ciss_error(struct ciss_ccb *ccb); 91 struct ciss_ld *ciss_pdscan(struct ciss_softc *sc, int ld); 92 static int ciss_inq(struct ciss_softc *sc, struct ciss_inquiry *inq); 93 int ciss_ldid(struct ciss_softc *, int, struct ciss_ldid *); 94 int ciss_ldstat(struct ciss_softc *, int, struct ciss_ldstat *); 95 static int ciss_ldmap(struct ciss_softc *sc); 96 int ciss_pdid(struct ciss_softc *, u_int8_t, struct ciss_pdid *, int); 97 98 #if NBIO > 0 99 int ciss_ioctl(device_t, u_long, void *); 100 int ciss_ioctl_vol(struct ciss_softc *, struct bioc_vol *); 101 int ciss_blink(struct ciss_softc *, int, int, int, struct ciss_blink *); 102 int ciss_create_sensors(struct ciss_softc *); 103 void ciss_sensor_refresh(struct sysmon_envsys *, envsys_data_t *); 104 #endif /* NBIO > 0 */ 105 106 static struct ciss_ccb * 107 ciss_get_ccb(struct ciss_softc *sc) 108 { 109 struct ciss_ccb *ccb; 110 111 mutex_enter(&sc->sc_mutex); 112 if ((ccb = TAILQ_LAST(&sc->sc_free_ccb, ciss_queue_head))) { 113 TAILQ_REMOVE(&sc->sc_free_ccb, ccb, ccb_link); 114 ccb->ccb_state = CISS_CCB_READY; 115 } 116 mutex_exit(&sc->sc_mutex); 117 return ccb; 118 } 119 120 static void 121 ciss_put_ccb(struct ciss_ccb *ccb) 122 { 123 struct ciss_softc *sc = ccb->ccb_sc; 124 125 ccb->ccb_state = CISS_CCB_FREE; 126 mutex_enter(&sc->sc_mutex); 127 TAILQ_INSERT_TAIL(&sc->sc_free_ccb, ccb, ccb_link); 128 mutex_exit(&sc->sc_mutex); 129 } 130 131 int 132 ciss_attach(struct ciss_softc *sc) 133 { 134 struct ciss_ccb *ccb; 135 struct ciss_cmd *cmd; 136 struct ciss_inquiry *inq; 137 bus_dma_segment_t seg[1]; 138 int error, i, total, rseg, maxfer; 139 paddr_t pa; 140 141 bus_space_read_region_4(sc->sc_iot, sc->cfg_ioh, sc->cfgoff, 142 (u_int32_t *)&sc->cfg, sizeof(sc->cfg) / 4); 143 144 if (sc->cfg.signature != CISS_SIGNATURE) { 145 printf(": bad sign 0x%08x\n", sc->cfg.signature); 146 return -1; 147 } 148 149 if (!(sc->cfg.methods & CISS_METH_SIMPL)) { 150 printf(": not simple 0x%08x\n", sc->cfg.methods); 151 return -1; 152 } 153 154 sc->cfg.rmethod = CISS_METH_SIMPL; 155 sc->cfg.paddr_lim = 0; /* 32bit addrs */ 156 sc->cfg.int_delay = 0; /* disable coalescing */ 157 sc->cfg.int_count = 0; 158 strlcpy(sc->cfg.hostname, "HUMPPA", sizeof(sc->cfg.hostname)); 159 sc->cfg.driverf |= CISS_DRV_PRF; /* enable prefetch */ 160 if (!sc->cfg.maxsg) 161 sc->cfg.maxsg = MAXPHYS / PAGE_SIZE + 1; 162 163 bus_space_write_region_4(sc->sc_iot, sc->cfg_ioh, sc->cfgoff, 164 (u_int32_t *)&sc->cfg, sizeof(sc->cfg) / 4); 165 bus_space_barrier(sc->sc_iot, sc->cfg_ioh, sc->cfgoff, sizeof(sc->cfg), 166 BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE); 167 168 bus_space_write_4(sc->sc_iot, sc->sc_ioh, CISS_IDB, CISS_IDB_CFG); 169 bus_space_barrier(sc->sc_iot, sc->sc_ioh, CISS_IDB, 4, 170 BUS_SPACE_BARRIER_WRITE); 171 for (i = 1000; i--; DELAY(1000)) { 172 /* XXX maybe IDB is really 64bit? - hp dl380 needs this */ 173 (void)bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_IDB + 4); 174 if (!(bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_IDB) & CISS_IDB_CFG)) 175 break; 176 bus_space_barrier(sc->sc_iot, sc->sc_ioh, CISS_IDB, 4, 177 BUS_SPACE_BARRIER_READ); 178 } 179 180 if (bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_IDB) & CISS_IDB_CFG) { 181 printf(": cannot set config\n"); 182 return -1; 183 } 184 185 bus_space_read_region_4(sc->sc_iot, sc->cfg_ioh, sc->cfgoff, 186 (u_int32_t *)&sc->cfg, sizeof(sc->cfg) / 4); 187 188 if (!(sc->cfg.amethod & CISS_METH_SIMPL)) { 189 printf(": cannot simplify 0x%08x\n", sc->cfg.amethod); 190 return -1; 191 } 192 193 /* i'm ready for you and i hope you're ready for me */ 194 for (i = 30000; i--; DELAY(1000)) { 195 if (bus_space_read_4(sc->sc_iot, sc->cfg_ioh, sc->cfgoff + 196 offsetof(struct ciss_config, amethod)) & CISS_METH_READY) 197 break; 198 bus_space_barrier(sc->sc_iot, sc->cfg_ioh, sc->cfgoff + 199 offsetof(struct ciss_config, amethod), 4, 200 BUS_SPACE_BARRIER_READ); 201 } 202 203 if (!(bus_space_read_4(sc->sc_iot, sc->cfg_ioh, sc->cfgoff + 204 offsetof(struct ciss_config, amethod)) & CISS_METH_READY)) { 205 printf(": she never came ready for me 0x%08x\n", 206 sc->cfg.amethod); 207 return -1; 208 } 209 210 mutex_init(&sc->sc_mutex, MUTEX_DEFAULT, IPL_VM); 211 mutex_init(&sc->sc_mutex_scratch, MUTEX_DEFAULT, IPL_VM); 212 cv_init(&sc->sc_condvar, "ciss_cmd"); 213 sc->maxcmd = sc->cfg.maxcmd; 214 sc->maxsg = sc->cfg.maxsg; 215 if (sc->maxsg > MAXPHYS / PAGE_SIZE + 1) 216 sc->maxsg = MAXPHYS / PAGE_SIZE + 1; 217 i = sizeof(struct ciss_ccb) + 218 sizeof(ccb->ccb_cmd.sgl[0]) * (sc->maxsg - 1); 219 for (sc->ccblen = 0x10; sc->ccblen < i; sc->ccblen <<= 1); 220 221 total = sc->ccblen * sc->maxcmd; 222 if ((error = bus_dmamem_alloc(sc->sc_dmat, total, PAGE_SIZE, 0, 223 sc->cmdseg, 1, &rseg, BUS_DMA_NOWAIT))) { 224 printf(": cannot allocate CCBs (%d)\n", error); 225 return -1; 226 } 227 228 if ((error = bus_dmamem_map(sc->sc_dmat, sc->cmdseg, rseg, total, 229 (void **)&sc->ccbs, BUS_DMA_NOWAIT))) { 230 printf(": cannot map CCBs (%d)\n", error); 231 return -1; 232 } 233 memset(sc->ccbs, 0, total); 234 235 if ((error = bus_dmamap_create(sc->sc_dmat, total, 1, 236 total, 0, BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, &sc->cmdmap))) { 237 printf(": cannot create CCBs dmamap (%d)\n", error); 238 bus_dmamem_free(sc->sc_dmat, sc->cmdseg, 1); 239 return -1; 240 } 241 242 if ((error = bus_dmamap_load(sc->sc_dmat, sc->cmdmap, sc->ccbs, total, 243 NULL, BUS_DMA_NOWAIT))) { 244 printf(": cannot load CCBs dmamap (%d)\n", error); 245 bus_dmamem_free(sc->sc_dmat, sc->cmdseg, 1); 246 bus_dmamap_destroy(sc->sc_dmat, sc->cmdmap); 247 return -1; 248 } 249 250 TAILQ_INIT(&sc->sc_ccbq); 251 TAILQ_INIT(&sc->sc_ccbdone); 252 TAILQ_INIT(&sc->sc_free_ccb); 253 254 maxfer = sc->maxsg * PAGE_SIZE; 255 for (i = 0; total > 0 && i < sc->maxcmd; i++, total -= sc->ccblen) { 256 ccb = (struct ciss_ccb *) ((char *)sc->ccbs + i * sc->ccblen); 257 cmd = &ccb->ccb_cmd; 258 pa = sc->cmdseg[0].ds_addr + i * sc->ccblen; 259 260 ccb->ccb_sc = sc; 261 ccb->ccb_cmdpa = pa + offsetof(struct ciss_ccb, ccb_cmd); 262 ccb->ccb_state = CISS_CCB_FREE; 263 264 cmd->id = htole32(i << 2); 265 cmd->id_hi = htole32(0); 266 cmd->sgin = sc->maxsg; 267 cmd->sglen = htole16((u_int16_t)cmd->sgin); 268 cmd->err_len = htole32(sizeof(ccb->ccb_err)); 269 pa += offsetof(struct ciss_ccb, ccb_err); 270 cmd->err_pa = htole64((u_int64_t)pa); 271 272 if ((error = bus_dmamap_create(sc->sc_dmat, maxfer, sc->maxsg, 273 maxfer, 0, BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, 274 &ccb->ccb_dmamap))) 275 break; 276 277 TAILQ_INSERT_TAIL(&sc->sc_free_ccb, ccb, ccb_link); 278 } 279 280 if (i < sc->maxcmd) { 281 printf(": cannot create ccb#%d dmamap (%d)\n", i, error); 282 if (i == 0) { 283 /* TODO leaking cmd's dmamaps and shitz */ 284 bus_dmamem_free(sc->sc_dmat, sc->cmdseg, 1); 285 bus_dmamap_destroy(sc->sc_dmat, sc->cmdmap); 286 return -1; 287 } 288 } 289 290 if ((error = bus_dmamem_alloc(sc->sc_dmat, PAGE_SIZE, PAGE_SIZE, 0, 291 seg, 1, &rseg, BUS_DMA_NOWAIT))) { 292 printf(": cannot allocate scratch buffer (%d)\n", error); 293 return -1; 294 } 295 296 if ((error = bus_dmamem_map(sc->sc_dmat, seg, rseg, PAGE_SIZE, 297 (void **)&sc->scratch, BUS_DMA_NOWAIT))) { 298 printf(": cannot map scratch buffer (%d)\n", error); 299 return -1; 300 } 301 memset(sc->scratch, 0, PAGE_SIZE); 302 sc->sc_waitflag = XS_CTL_NOSLEEP; /* can't sleep yet */ 303 304 mutex_enter(&sc->sc_mutex_scratch); /* is this really needed? */ 305 inq = sc->scratch; 306 if (ciss_inq(sc, inq)) { 307 printf(": adapter inquiry failed\n"); 308 mutex_exit(&sc->sc_mutex_scratch); 309 bus_dmamem_free(sc->sc_dmat, sc->cmdseg, 1); 310 bus_dmamap_destroy(sc->sc_dmat, sc->cmdmap); 311 return -1; 312 } 313 314 if (!(inq->flags & CISS_INQ_BIGMAP)) { 315 printf(": big map is not supported, flags=0x%x\n", 316 inq->flags); 317 mutex_exit(&sc->sc_mutex_scratch); 318 bus_dmamem_free(sc->sc_dmat, sc->cmdseg, 1); 319 bus_dmamap_destroy(sc->sc_dmat, sc->cmdmap); 320 return -1; 321 } 322 323 sc->maxunits = inq->numld; 324 sc->nbus = inq->nscsi_bus; 325 sc->ndrives = inq->buswidth ? inq->buswidth : 256; 326 printf(": %d LD%s, HW rev %d, FW %4.4s/%4.4s", 327 inq->numld, inq->numld == 1? "" : "s", 328 inq->hw_rev, inq->fw_running, inq->fw_stored); 329 330 if (sc->cfg.methods & CISS_METH_FIFO64) 331 printf(", 64bit fifo"); 332 else if (sc->cfg.methods & CISS_METH_FIFO64_RRO) 333 printf(", 64bit fifo rro"); 334 printf("\n"); 335 336 mutex_exit(&sc->sc_mutex_scratch); 337 338 callout_init(&sc->sc_hb, 0); 339 callout_setfunc(&sc->sc_hb, ciss_heartbeat, sc); 340 callout_schedule(&sc->sc_hb, hz * 3); 341 342 /* map LDs */ 343 if (ciss_ldmap(sc)) { 344 aprint_error_dev(sc->sc_dev, "adapter LD map failed\n"); 345 bus_dmamem_free(sc->sc_dmat, sc->cmdseg, 1); 346 bus_dmamap_destroy(sc->sc_dmat, sc->cmdmap); 347 return -1; 348 } 349 350 if (!(sc->sc_lds = malloc(sc->maxunits * sizeof(*sc->sc_lds), 351 M_DEVBUF, M_NOWAIT))) { 352 bus_dmamem_free(sc->sc_dmat, sc->cmdseg, 1); 353 bus_dmamap_destroy(sc->sc_dmat, sc->cmdmap); 354 return -1; 355 } 356 memset(sc->sc_lds, 0, sc->maxunits * sizeof(*sc->sc_lds)); 357 358 sc->sc_flush = CISS_FLUSH_ENABLE; 359 if (!(sc->sc_sh = shutdownhook_establish(ciss_shutdown, sc))) { 360 printf(": unable to establish shutdown hook\n"); 361 bus_dmamem_free(sc->sc_dmat, sc->cmdseg, 1); 362 bus_dmamap_destroy(sc->sc_dmat, sc->cmdmap); 363 return -1; 364 } 365 366 sc->sc_channel.chan_adapter = &sc->sc_adapter; 367 sc->sc_channel.chan_bustype = &scsi_bustype; 368 sc->sc_channel.chan_channel = 0; 369 sc->sc_channel.chan_ntargets = sc->maxunits; 370 sc->sc_channel.chan_nluns = 1; /* ciss doesn't really have SCSI luns */ 371 sc->sc_channel.chan_openings = sc->maxcmd; 372 #if NBIO > 0 373 /* XXX Reserve some ccb's for sensor and bioctl. */ 374 if (sc->sc_channel.chan_openings > 2) 375 sc->sc_channel.chan_openings -= 2; 376 #endif 377 sc->sc_channel.chan_flags = 0; 378 sc->sc_channel.chan_id = sc->maxunits; 379 380 sc->sc_adapter.adapt_dev = sc->sc_dev; 381 sc->sc_adapter.adapt_openings = sc->sc_channel.chan_openings; 382 sc->sc_adapter.adapt_max_periph = min(sc->sc_adapter.adapt_openings, 256); 383 sc->sc_adapter.adapt_request = ciss_scsi_cmd; 384 sc->sc_adapter.adapt_minphys = cissminphys; 385 sc->sc_adapter.adapt_ioctl = ciss_scsi_ioctl; 386 sc->sc_adapter.adapt_nchannels = 1; 387 config_found(sc->sc_dev, &sc->sc_channel, scsiprint); 388 389 #if 0 390 sc->sc_link_raw.adapter_softc = sc; 391 sc->sc_link.openings = sc->sc_channel.chan_openings; 392 sc->sc_link_raw.adapter = &ciss_raw_switch; 393 sc->sc_link_raw.adapter_target = sc->ndrives; 394 sc->sc_link_raw.adapter_buswidth = sc->ndrives; 395 config_found(sc->sc_dev, &sc->sc_channel, scsiprint); 396 #endif 397 398 #if NBIO > 0 399 /* now map all the physdevs into their lds */ 400 /* XXX currently we assign all of them into ld0 */ 401 for (i = 0; i < sc->maxunits && i < 1; i++) 402 if (!(sc->sc_lds[i] = ciss_pdscan(sc, i))) { 403 sc->sc_waitflag = 0; /* we can sleep now */ 404 return 0; 405 } 406 407 if (bio_register(sc->sc_dev, ciss_ioctl) != 0) 408 aprint_error_dev(sc->sc_dev, "controller registration failed"); 409 else 410 sc->sc_ioctl = ciss_ioctl; 411 if (ciss_create_sensors(sc) != 0) 412 aprint_error_dev(sc->sc_dev, "unable to create sensors"); 413 #endif 414 sc->sc_waitflag = 0; /* we can sleep now */ 415 416 return 0; 417 } 418 419 static void 420 ciss_shutdown(void *v) 421 { 422 struct ciss_softc *sc = v; 423 424 sc->sc_flush = CISS_FLUSH_DISABLE; 425 /* timeout_del(&sc->sc_hb); */ 426 ciss_sync(sc); 427 } 428 429 static void 430 cissminphys(struct buf *bp) 431 { 432 #if 0 /* TODO */ 433 #define CISS_MAXFER (PAGE_SIZE * (sc->maxsg + 1)) 434 if (bp->b_bcount > CISS_MAXFER) 435 bp->b_bcount = CISS_MAXFER; 436 #endif 437 minphys(bp); 438 } 439 440 static struct ciss_ccb * 441 ciss_poll1(struct ciss_softc *sc) 442 { 443 struct ciss_ccb *ccb; 444 uint32_t id; 445 446 if (!(bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_ISR) & sc->iem)) { 447 CISS_DPRINTF(CISS_D_CMD, ("N")); 448 return NULL; 449 } 450 451 if (sc->cfg.methods & CISS_METH_FIFO64) { 452 if (bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_OUTQ64_HI) == 453 0xffffffff) { 454 CISS_DPRINTF(CISS_D_CMD, ("Q")); 455 return NULL; 456 } 457 id = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_OUTQ64_LO); 458 } else if (sc->cfg.methods & CISS_METH_FIFO64_RRO) { 459 id = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_OUTQ64_LO); 460 if (id == 0xffffffff) { 461 CISS_DPRINTF(CISS_D_CMD, ("Q")); 462 return NULL; 463 } 464 (void)bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_OUTQ64_HI); 465 } else { 466 id = bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_OUTQ); 467 if (id == 0xffffffff) { 468 CISS_DPRINTF(CISS_D_CMD, ("Q")); 469 return NULL; 470 } 471 } 472 473 CISS_DPRINTF(CISS_D_CMD, ("got=0x%x ", id)); 474 ccb = (struct ciss_ccb *) ((char *)sc->ccbs + (id >> 2) * sc->ccblen); 475 ccb->ccb_cmd.id = htole32(id); 476 ccb->ccb_cmd.id_hi = htole32(0); 477 return ccb; 478 } 479 480 static int 481 ciss_poll(struct ciss_softc *sc, struct ciss_ccb *ccb, int ms) 482 { 483 struct ciss_ccb *ccb1; 484 485 ms /= 10; 486 487 while (ms-- > 0) { 488 DELAY(10); 489 ccb1 = ciss_poll1(sc); 490 if (ccb1 == NULL) 491 continue; 492 ciss_done(ccb1); 493 if (ccb1 == ccb) 494 return 0; 495 } 496 497 return ETIMEDOUT; 498 } 499 500 static int 501 ciss_wait(struct ciss_softc *sc, struct ciss_ccb *ccb, int ms) 502 { 503 int tohz, etick; 504 505 tohz = mstohz(ms); 506 if (tohz == 0) 507 tohz = 1; 508 etick = hardclock_ticks + tohz; 509 510 for (;;) { 511 ccb->ccb_state = CISS_CCB_POLL; 512 CISS_DPRINTF(CISS_D_CMD, ("cv_timedwait(%d) ", tohz)); 513 mutex_enter(&sc->sc_mutex); 514 if (cv_timedwait(&sc->sc_condvar, &sc->sc_mutex, tohz) 515 == EWOULDBLOCK) { 516 mutex_exit(&sc->sc_mutex); 517 return EWOULDBLOCK; 518 } 519 mutex_exit(&sc->sc_mutex); 520 if (ccb->ccb_state == CISS_CCB_ONQ) { 521 ciss_done(ccb); 522 return 0; 523 } 524 tohz = etick - hardclock_ticks; 525 if (tohz <= 0) 526 return EWOULDBLOCK; 527 CISS_DPRINTF(CISS_D_CMD, ("T")); 528 } 529 } 530 531 /* 532 * submit a command and optionally wait for completition. 533 * wait arg abuses XS_CTL_POLL|XS_CTL_NOSLEEP flags to request 534 * to wait (XS_CTL_POLL) and to allow tsleep() (!XS_CTL_NOSLEEP) 535 * instead of busy loop waiting 536 */ 537 static int 538 ciss_cmd(struct ciss_ccb *ccb, int flags, int wait) 539 { 540 struct ciss_softc *sc = ccb->ccb_sc; 541 struct ciss_cmd *cmd = &ccb->ccb_cmd; 542 bus_dmamap_t dmap = ccb->ccb_dmamap; 543 u_int64_t addr; 544 int i, error = 0; 545 546 if (ccb->ccb_state != CISS_CCB_READY) { 547 printf("%s: ccb %d not ready state=0x%x\n", device_xname(sc->sc_dev), 548 cmd->id, ccb->ccb_state); 549 return (EINVAL); 550 } 551 552 if (ccb->ccb_data) { 553 bus_dma_segment_t *sgd; 554 555 if ((error = bus_dmamap_load(sc->sc_dmat, dmap, ccb->ccb_data, 556 ccb->ccb_len, NULL, flags))) { 557 if (error == EFBIG) 558 printf("more than %d dma segs\n", sc->maxsg); 559 else 560 printf("error %d loading dma map\n", error); 561 ciss_put_ccb(ccb); 562 return (error); 563 } 564 cmd->sgin = dmap->dm_nsegs; 565 566 sgd = dmap->dm_segs; 567 CISS_DPRINTF(CISS_D_DMA, ("data=%p/%zu<%#" PRIxPADDR "/%zu", 568 ccb->ccb_data, ccb->ccb_len, sgd->ds_addr, sgd->ds_len)); 569 570 for (i = 0; i < dmap->dm_nsegs; sgd++, i++) { 571 cmd->sgl[i].addr_lo = htole32(sgd->ds_addr); 572 cmd->sgl[i].addr_hi = 573 htole32((u_int64_t)sgd->ds_addr >> 32); 574 cmd->sgl[i].len = htole32(sgd->ds_len); 575 cmd->sgl[i].flags = htole32(0); 576 if (i) { 577 CISS_DPRINTF(CISS_D_DMA, 578 (",%#" PRIxPADDR "/%zu", sgd->ds_addr, 579 sgd->ds_len)); 580 } 581 } 582 583 CISS_DPRINTF(CISS_D_DMA, ("> ")); 584 585 bus_dmamap_sync(sc->sc_dmat, dmap, 0, dmap->dm_mapsize, 586 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 587 } else 588 cmd->sgin = 0; 589 cmd->sglen = htole16((u_int16_t)cmd->sgin); 590 memset(&ccb->ccb_err, 0, sizeof(ccb->ccb_err)); 591 592 bus_dmamap_sync(sc->sc_dmat, sc->cmdmap, 0, sc->cmdmap->dm_mapsize, 593 BUS_DMASYNC_PREWRITE); 594 595 if ((wait & (XS_CTL_POLL|XS_CTL_NOSLEEP)) == (XS_CTL_POLL|XS_CTL_NOSLEEP)) 596 bus_space_write_4(sc->sc_iot, sc->sc_ioh, CISS_IMR, 597 bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_IMR) | sc->iem); 598 599 mutex_enter(&sc->sc_mutex); 600 TAILQ_INSERT_TAIL(&sc->sc_ccbq, ccb, ccb_link); 601 mutex_exit(&sc->sc_mutex); 602 ccb->ccb_state = CISS_CCB_ONQ; 603 CISS_DPRINTF(CISS_D_CMD, ("submit=0x%x ", cmd->id)); 604 if (sc->cfg.methods & (CISS_METH_FIFO64|CISS_METH_FIFO64_RRO)) { 605 /* 606 * Write the upper 32bits immediately before the lower 607 * 32bits and set bit 63 to indicate 64bit FIFO mode. 608 */ 609 addr = (u_int64_t)ccb->ccb_cmdpa; 610 bus_space_write_4(sc->sc_iot, sc->sc_ioh, CISS_INQ64_HI, 611 (addr >> 32) | 0x80000000); 612 bus_space_write_4(sc->sc_iot, sc->sc_ioh, CISS_INQ64_LO, 613 addr & 0x00000000ffffffffULL); 614 } else 615 bus_space_write_4(sc->sc_iot, sc->sc_ioh, CISS_INQ, 616 ccb->ccb_cmdpa); 617 618 if (wait & XS_CTL_POLL) { 619 int ms; 620 CISS_DPRINTF(CISS_D_CMD, ("waiting ")); 621 622 ms = ccb->ccb_xs ? ccb->ccb_xs->timeout : 60000; 623 if (wait & XS_CTL_NOSLEEP) 624 error = ciss_poll(sc, ccb, ms); 625 else 626 error = ciss_wait(sc, ccb, ms); 627 628 /* if never got a chance to be done above... */ 629 if (ccb->ccb_state != CISS_CCB_FREE) { 630 KASSERT(error); 631 ccb->ccb_err.cmd_stat = CISS_ERR_TMO; 632 error = ciss_done(ccb); 633 } 634 635 CISS_DPRINTF(CISS_D_CMD, ("done %d:%d", 636 ccb->ccb_err.cmd_stat, ccb->ccb_err.scsi_stat)); 637 } 638 639 if ((wait & (XS_CTL_POLL|XS_CTL_NOSLEEP)) == (XS_CTL_POLL|XS_CTL_NOSLEEP)) 640 bus_space_write_4(sc->sc_iot, sc->sc_ioh, CISS_IMR, 641 bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_IMR) & ~sc->iem); 642 643 return (error); 644 } 645 646 static int 647 ciss_done(struct ciss_ccb *ccb) 648 { 649 struct ciss_softc *sc = ccb->ccb_sc; 650 struct scsipi_xfer *xs = ccb->ccb_xs; 651 struct ciss_cmd *cmd; 652 int error = 0; 653 654 CISS_DPRINTF(CISS_D_CMD, ("ciss_done(%p) ", ccb)); 655 656 if (ccb->ccb_state != CISS_CCB_ONQ) { 657 printf("%s: unqueued ccb %p ready, state=0x%x\n", 658 device_xname(sc->sc_dev), ccb, ccb->ccb_state); 659 return 1; 660 } 661 662 ccb->ccb_state = CISS_CCB_READY; 663 mutex_enter(&sc->sc_mutex); 664 TAILQ_REMOVE(&sc->sc_ccbq, ccb, ccb_link); 665 mutex_exit(&sc->sc_mutex); 666 667 if (ccb->ccb_cmd.id & CISS_CMD_ERR) 668 error = ciss_error(ccb); 669 670 cmd = &ccb->ccb_cmd; 671 if (ccb->ccb_data) { 672 bus_dmamap_sync(sc->sc_dmat, ccb->ccb_dmamap, 0, 673 ccb->ccb_dmamap->dm_mapsize, (cmd->flags & CISS_CDB_IN) ? 674 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 675 bus_dmamap_unload(sc->sc_dmat, ccb->ccb_dmamap); 676 ccb->ccb_xs = NULL; 677 ccb->ccb_data = NULL; 678 } 679 680 ciss_put_ccb(ccb); 681 682 if (xs) { 683 xs->resid = 0; 684 CISS_DPRINTF(CISS_D_CMD, ("scsipi_done(%p) ", xs)); 685 if (xs->cmd->opcode == INQUIRY) { 686 struct scsipi_inquiry_data *inq; 687 inq = (struct scsipi_inquiry_data *)xs->data; 688 if ((inq->version & SID_ANSII) == 0 && 689 (inq->flags3 & SID_CmdQue) != 0) { 690 inq->version |= 2; 691 } 692 } 693 scsipi_done(xs); 694 } 695 696 return error; 697 } 698 699 static int 700 ciss_error(struct ciss_ccb *ccb) 701 { 702 struct ciss_softc *sc = ccb->ccb_sc; 703 struct ciss_error *err = &ccb->ccb_err; 704 struct scsipi_xfer *xs = ccb->ccb_xs; 705 int rv; 706 707 switch ((rv = le16toh(err->cmd_stat))) { 708 case CISS_ERR_OK: 709 rv = 0; 710 break; 711 712 case CISS_ERR_INVCMD: 713 if (xs == NULL || 714 xs->cmd->opcode != SCSI_SYNCHRONIZE_CACHE_10) 715 printf("%s: invalid cmd 0x%x: 0x%x is not valid @ 0x%x[%d]\n", 716 device_xname(sc->sc_dev), ccb->ccb_cmd.id, 717 err->err_info, err->err_type[3], err->err_type[2]); 718 if (xs) { 719 memset(&xs->sense, 0, sizeof(xs->sense)); 720 xs->sense.scsi_sense.response_code = 721 SSD_RCODE_CURRENT | SSD_RCODE_VALID; 722 xs->sense.scsi_sense.flags = SKEY_ILLEGAL_REQUEST; 723 xs->sense.scsi_sense.asc = 0x24; /* ill field */ 724 xs->sense.scsi_sense.ascq = 0x0; 725 xs->error = XS_SENSE; 726 } 727 rv = EIO; 728 break; 729 730 case CISS_ERR_TMO: 731 xs->error = XS_TIMEOUT; 732 rv = ETIMEDOUT; 733 break; 734 735 case CISS_ERR_UNRUN: 736 /* Underrun */ 737 xs->resid = le32toh(err->resid); 738 CISS_DPRINTF(CISS_D_CMD, (" underrun resid=0x%x ", 739 xs->resid)); 740 rv = EIO; 741 break; 742 default: 743 if (xs) { 744 CISS_DPRINTF(CISS_D_CMD, ("scsi_stat=%x ", err->scsi_stat)); 745 switch (err->scsi_stat) { 746 case SCSI_CHECK: 747 xs->error = XS_SENSE; 748 memcpy(&xs->sense, &err->sense[0], 749 sizeof(xs->sense)); 750 CISS_DPRINTF(CISS_D_CMD, (" sense=%02x %02x %02x %02x ", 751 err->sense[0], err->sense[1], err->sense[2], err->sense[3])); 752 rv = EIO; 753 break; 754 755 case XS_BUSY: 756 xs->error = XS_BUSY; 757 rv = EBUSY; 758 break; 759 760 default: 761 CISS_DPRINTF(CISS_D_ERR, ("%s: " 762 "cmd_stat=%x scsi_stat=0x%x resid=0x%x\n", 763 device_xname(sc->sc_dev), rv, err->scsi_stat, 764 le32toh(err->resid))); 765 printf("ciss driver stuffup in %s:%d: %s()\n", 766 __FILE__, __LINE__, __func__); 767 xs->error = XS_DRIVER_STUFFUP; 768 rv = EIO; 769 break; 770 } 771 xs->resid = le32toh(err->resid); 772 } else 773 rv = EIO; 774 } 775 ccb->ccb_cmd.id &= htole32(~3); 776 777 return rv; 778 } 779 780 static int 781 ciss_inq(struct ciss_softc *sc, struct ciss_inquiry *inq) 782 { 783 struct ciss_ccb *ccb; 784 struct ciss_cmd *cmd; 785 786 ccb = ciss_get_ccb(sc); 787 ccb->ccb_len = sizeof(*inq); 788 ccb->ccb_data = inq; 789 ccb->ccb_xs = NULL; 790 cmd = &ccb->ccb_cmd; 791 cmd->tgt = htole32(CISS_CMD_MODE_PERIPH); 792 cmd->tgt2 = 0; 793 cmd->cdblen = 10; 794 cmd->flags = CISS_CDB_CMD | CISS_CDB_SIMPL | CISS_CDB_IN; 795 cmd->tmo = htole16(0); 796 memset(&cmd->cdb[0], 0, sizeof(cmd->cdb)); 797 cmd->cdb[0] = CISS_CMD_CTRL_GET; 798 cmd->cdb[6] = CISS_CMS_CTRL_CTRL; 799 cmd->cdb[7] = sizeof(*inq) >> 8; /* biiiig endian */ 800 cmd->cdb[8] = sizeof(*inq) & 0xff; 801 802 return ciss_cmd(ccb, BUS_DMA_NOWAIT, XS_CTL_POLL|XS_CTL_NOSLEEP); 803 } 804 805 static int 806 ciss_ldmap(struct ciss_softc *sc) 807 { 808 struct ciss_ccb *ccb; 809 struct ciss_cmd *cmd; 810 struct ciss_ldmap *lmap; 811 int total, rv; 812 813 mutex_enter(&sc->sc_mutex_scratch); 814 lmap = sc->scratch; 815 lmap->size = htobe32(sc->maxunits * sizeof(lmap->map)); 816 total = sizeof(*lmap) + (sc->maxunits - 1) * sizeof(lmap->map); 817 818 ccb = ciss_get_ccb(sc); 819 ccb->ccb_len = total; 820 ccb->ccb_data = lmap; 821 ccb->ccb_xs = NULL; 822 cmd = &ccb->ccb_cmd; 823 cmd->tgt = CISS_CMD_MODE_PERIPH; 824 cmd->tgt2 = 0; 825 cmd->cdblen = 12; 826 cmd->flags = CISS_CDB_CMD | CISS_CDB_SIMPL | CISS_CDB_IN; 827 cmd->tmo = htole16(30); 828 memset(&cmd->cdb[0], 0, sizeof(cmd->cdb)); 829 cmd->cdb[0] = CISS_CMD_LDMAP; 830 cmd->cdb[8] = total >> 8; /* biiiig endian */ 831 cmd->cdb[9] = total & 0xff; 832 833 rv = ciss_cmd(ccb, BUS_DMA_NOWAIT, XS_CTL_POLL|XS_CTL_NOSLEEP); 834 835 if (rv) { 836 mutex_exit(&sc->sc_mutex_scratch); 837 return rv; 838 } 839 840 CISS_DPRINTF(CISS_D_MISC, ("lmap %x:%x\n", 841 lmap->map[0].tgt, lmap->map[0].tgt2)); 842 843 mutex_exit(&sc->sc_mutex_scratch); 844 return 0; 845 } 846 847 static int 848 ciss_sync(struct ciss_softc *sc) 849 { 850 struct ciss_ccb *ccb; 851 struct ciss_cmd *cmd; 852 struct ciss_flush *flush; 853 int rv; 854 855 mutex_enter(&sc->sc_mutex_scratch); 856 flush = sc->scratch; 857 memset(flush, 0, sizeof(*flush)); 858 flush->flush = sc->sc_flush; 859 860 ccb = ciss_get_ccb(sc); 861 ccb->ccb_len = sizeof(*flush); 862 ccb->ccb_data = flush; 863 ccb->ccb_xs = NULL; 864 cmd = &ccb->ccb_cmd; 865 cmd->tgt = CISS_CMD_MODE_PERIPH; 866 cmd->tgt2 = 0; 867 cmd->cdblen = 10; 868 cmd->flags = CISS_CDB_CMD | CISS_CDB_SIMPL | CISS_CDB_OUT; 869 cmd->tmo = 0; 870 memset(&cmd->cdb[0], 0, sizeof(cmd->cdb)); 871 cmd->cdb[0] = CISS_CMD_CTRL_SET; 872 cmd->cdb[6] = CISS_CMS_CTRL_FLUSH; 873 cmd->cdb[7] = sizeof(*flush) >> 8; /* biiiig endian */ 874 cmd->cdb[8] = sizeof(*flush) & 0xff; 875 876 rv = ciss_cmd(ccb, BUS_DMA_NOWAIT, XS_CTL_POLL|XS_CTL_NOSLEEP); 877 mutex_exit(&sc->sc_mutex_scratch); 878 879 return rv; 880 } 881 882 int 883 ciss_ldid(struct ciss_softc *sc, int target, struct ciss_ldid *id) 884 { 885 struct ciss_ccb *ccb; 886 struct ciss_cmd *cmd; 887 888 ccb = ciss_get_ccb(sc); 889 if (ccb == NULL) 890 return ENOMEM; 891 ccb->ccb_len = sizeof(*id); 892 ccb->ccb_data = id; 893 ccb->ccb_xs = NULL; 894 cmd = &ccb->ccb_cmd; 895 cmd->tgt = htole32(CISS_CMD_MODE_PERIPH); 896 cmd->tgt2 = 0; 897 cmd->cdblen = 10; 898 cmd->flags = CISS_CDB_CMD | CISS_CDB_SIMPL | CISS_CDB_IN; 899 cmd->tmo = htole16(0); 900 memset(&cmd->cdb[0], 0, sizeof(cmd->cdb)); 901 cmd->cdb[0] = CISS_CMD_CTRL_GET; 902 cmd->cdb[1] = target; 903 cmd->cdb[6] = CISS_CMS_CTRL_LDIDEXT; 904 cmd->cdb[7] = sizeof(*id) >> 8; /* biiiig endian */ 905 cmd->cdb[8] = sizeof(*id) & 0xff; 906 907 return ciss_cmd(ccb, BUS_DMA_NOWAIT, XS_CTL_POLL | sc->sc_waitflag); 908 } 909 910 int 911 ciss_ldstat(struct ciss_softc *sc, int target, struct ciss_ldstat *stat) 912 { 913 struct ciss_ccb *ccb; 914 struct ciss_cmd *cmd; 915 916 ccb = ciss_get_ccb(sc); 917 if (ccb == NULL) 918 return ENOMEM; 919 ccb->ccb_len = sizeof(*stat); 920 ccb->ccb_data = stat; 921 ccb->ccb_xs = NULL; 922 cmd = &ccb->ccb_cmd; 923 cmd->tgt = htole32(CISS_CMD_MODE_PERIPH); 924 cmd->tgt2 = 0; 925 cmd->cdblen = 10; 926 cmd->flags = CISS_CDB_CMD | CISS_CDB_SIMPL | CISS_CDB_IN; 927 cmd->tmo = htole16(0); 928 memset(&cmd->cdb[0], 0, sizeof(cmd->cdb)); 929 cmd->cdb[0] = CISS_CMD_CTRL_GET; 930 cmd->cdb[1] = target; 931 cmd->cdb[6] = CISS_CMS_CTRL_LDSTAT; 932 cmd->cdb[7] = sizeof(*stat) >> 8; /* biiiig endian */ 933 cmd->cdb[8] = sizeof(*stat) & 0xff; 934 935 return ciss_cmd(ccb, BUS_DMA_NOWAIT, XS_CTL_POLL | sc->sc_waitflag); 936 } 937 938 int 939 ciss_pdid(struct ciss_softc *sc, u_int8_t drv, struct ciss_pdid *id, int wait) 940 { 941 struct ciss_ccb *ccb; 942 struct ciss_cmd *cmd; 943 944 ccb = ciss_get_ccb(sc); 945 if (ccb == NULL) 946 return ENOMEM; 947 ccb->ccb_len = sizeof(*id); 948 ccb->ccb_data = id; 949 ccb->ccb_xs = NULL; 950 cmd = &ccb->ccb_cmd; 951 cmd->tgt = htole32(CISS_CMD_MODE_PERIPH); 952 cmd->tgt2 = 0; 953 cmd->cdblen = 10; 954 cmd->flags = CISS_CDB_CMD | CISS_CDB_SIMPL | CISS_CDB_IN; 955 cmd->tmo = htole16(0); 956 memset(&cmd->cdb[0], 0, sizeof(cmd->cdb)); 957 cmd->cdb[0] = CISS_CMD_CTRL_GET; 958 cmd->cdb[2] = drv; 959 cmd->cdb[6] = CISS_CMS_CTRL_PDID; 960 cmd->cdb[7] = sizeof(*id) >> 8; /* biiiig endian */ 961 cmd->cdb[8] = sizeof(*id) & 0xff; 962 963 return ciss_cmd(ccb, BUS_DMA_NOWAIT, wait); 964 } 965 966 967 struct ciss_ld * 968 ciss_pdscan(struct ciss_softc *sc, int ld) 969 { 970 struct ciss_pdid *pdid; 971 struct ciss_ld *ldp; 972 u_int8_t drv, buf[128]; 973 int i, j, k = 0; 974 975 mutex_enter(&sc->sc_mutex_scratch); 976 pdid = sc->scratch; 977 if (sc->ndrives == 256) { 978 for (i = 0; i < CISS_BIGBIT; i++) 979 if (!ciss_pdid(sc, i, pdid, 980 XS_CTL_POLL|XS_CTL_NOSLEEP) && 981 (pdid->present & CISS_PD_PRESENT)) 982 buf[k++] = i; 983 } else 984 for (i = 0; i < sc->nbus; i++) 985 for (j = 0; j < sc->ndrives; j++) { 986 drv = CISS_BIGBIT + i * sc->ndrives + j; 987 if (!ciss_pdid(sc, drv, pdid, 988 XS_CTL_POLL|XS_CTL_NOSLEEP)) 989 buf[k++] = drv; 990 } 991 mutex_exit(&sc->sc_mutex_scratch); 992 993 if (!k) 994 return NULL; 995 996 ldp = malloc(sizeof(*ldp) + (k-1), M_DEVBUF, M_NOWAIT); 997 if (!ldp) 998 return NULL; 999 1000 memset(&ldp->bling, 0, sizeof(ldp->bling)); 1001 ldp->ndrives = k; 1002 ldp->xname[0] = 0; 1003 memcpy(ldp->tgts, buf, k); 1004 return ldp; 1005 } 1006 1007 #if 0 1008 static void 1009 ciss_scsi_raw_cmd(struct scsipi_channel *chan, scsipi_adapter_req_t req, 1010 void *arg) /* TODO */ 1011 { 1012 struct scsipi_xfer *xs = (struct scsipi_xfer *) arg; 1013 struct ciss_rawsoftc *rsc = device_private( 1014 chan->chan_adapter->adapt_dev); 1015 struct ciss_softc *sc = rsc->sc_softc; 1016 struct ciss_ccb *ccb; 1017 struct ciss_cmd *cmd; 1018 int error; 1019 1020 CISS_DPRINTF(CISS_D_CMD, ("ciss_scsi_raw_cmd ")); 1021 1022 switch (req) 1023 { 1024 case ADAPTER_REQ_RUN_XFER: 1025 if (xs->cmdlen > CISS_MAX_CDB) { 1026 CISS_DPRINTF(CISS_D_CMD, ("CDB too big %p ", xs)); 1027 memset(&xs->sense, 0, sizeof(xs->sense)); 1028 printf("ciss driver stuffup in %s:%d: %s()\n", 1029 __FILE__, __LINE__, __func__); 1030 xs->error = XS_DRIVER_STUFFUP; 1031 scsipi_done(xs); 1032 break; 1033 } 1034 1035 error = 0; 1036 xs->error = XS_NOERROR; 1037 1038 /* TODO check this target has not yet employed w/ any volume */ 1039 1040 ccb = ciss_get_ccb(sc); 1041 cmd = &ccb->ccb_cmd; 1042 ccb->ccb_len = xs->datalen; 1043 ccb->ccb_data = xs->data; 1044 ccb->ccb_xs = xs; 1045 1046 cmd->cdblen = xs->cmdlen; 1047 cmd->flags = CISS_CDB_CMD | CISS_CDB_SIMPL; 1048 if (xs->xs_control & XS_CTL_DATA_IN) 1049 cmd->flags |= CISS_CDB_IN; 1050 else if (xs->xs_control & XS_CTL_DATA_OUT) 1051 cmd->flags |= CISS_CDB_OUT; 1052 cmd->tmo = xs->timeout < 1000? 1 : xs->timeout / 1000; 1053 memset(&cmd->cdb[0], 0, sizeof(cmd->cdb)); 1054 memcpy(&cmd->cdb[0], xs->cmd, CISS_MAX_CDB); 1055 1056 if (ciss_cmd(ccb, BUS_DMA_WAITOK, 1057 xs->xs_control & (XS_CTL_POLL|XS_CTL_NOSLEEP))) { 1058 printf("ciss driver stuffup in %s:%d: %s()\n", 1059 __FILE__, __LINE__, __func__); 1060 xs->error = XS_DRIVER_STUFFUP; 1061 scsipi_done(xs); 1062 break; 1063 } 1064 1065 break; 1066 1067 case ADAPTER_REQ_GROW_RESOURCES: 1068 /* 1069 * Not supported. 1070 */ 1071 break; 1072 1073 case ADAPTER_REQ_SET_XFER_MODE: 1074 /* 1075 * We can't change the transfer mode, but at least let 1076 * scsipi know what the adapter has negociated. 1077 */ 1078 /* Get xfer mode and return it */ 1079 break; 1080 } 1081 } 1082 #endif 1083 1084 static void 1085 ciss_scsi_cmd(struct scsipi_channel *chan, scsipi_adapter_req_t req, 1086 void *arg) 1087 { 1088 struct scsipi_xfer *xs; 1089 struct scsipi_xfer_mode *xm; 1090 struct ciss_softc *sc = device_private(chan->chan_adapter->adapt_dev); 1091 u_int8_t target; 1092 struct ciss_ccb *ccb; 1093 struct ciss_cmd *cmd; 1094 1095 CISS_DPRINTF(CISS_D_CMD, ("ciss_scsi_cmd ")); 1096 1097 switch (req) 1098 { 1099 case ADAPTER_REQ_RUN_XFER: 1100 xs = (struct scsipi_xfer *) arg; 1101 target = xs->xs_periph->periph_target; 1102 CISS_DPRINTF(CISS_D_CMD, ("targ=%d ", target)); 1103 if (xs->cmdlen > CISS_MAX_CDB) { 1104 CISS_DPRINTF(CISS_D_CMD, ("CDB too big %p ", xs)); 1105 memset(&xs->sense, 0, sizeof(xs->sense)); 1106 xs->error = XS_SENSE; 1107 printf("ciss driver stuffup in %s:%d: %s()\n", 1108 __FILE__, __LINE__, __func__); 1109 scsipi_done(xs); 1110 break; 1111 } 1112 1113 xs->error = XS_NOERROR; 1114 1115 /* XXX emulate SYNCHRONIZE_CACHE ??? */ 1116 1117 ccb = ciss_get_ccb(sc); 1118 cmd = &ccb->ccb_cmd; 1119 ccb->ccb_len = xs->datalen; 1120 ccb->ccb_data = xs->data; 1121 ccb->ccb_xs = xs; 1122 cmd->tgt = CISS_CMD_MODE_LD | target; 1123 cmd->tgt2 = 0; 1124 cmd->cdblen = xs->cmdlen; 1125 cmd->flags = CISS_CDB_CMD | CISS_CDB_SIMPL; 1126 if (xs->xs_control & XS_CTL_DATA_IN) 1127 cmd->flags |= CISS_CDB_IN; 1128 else if (xs->xs_control & XS_CTL_DATA_OUT) 1129 cmd->flags |= CISS_CDB_OUT; 1130 cmd->tmo = htole16(xs->timeout < 1000? 1 : xs->timeout / 1000); 1131 memset(&cmd->cdb[0], 0, sizeof(cmd->cdb)); 1132 memcpy(&cmd->cdb[0], xs->cmd, CISS_MAX_CDB); 1133 CISS_DPRINTF(CISS_D_CMD, ("cmd=%02x %02x %02x %02x %02x %02x ", 1134 cmd->cdb[0], cmd->cdb[1], cmd->cdb[2], 1135 cmd->cdb[3], cmd->cdb[4], cmd->cdb[5])); 1136 1137 if (ciss_cmd(ccb, BUS_DMA_WAITOK, 1138 xs->xs_control & (XS_CTL_POLL|XS_CTL_NOSLEEP))) { 1139 printf("ciss driver stuffup in %s:%d: %s()\n", 1140 __FILE__, __LINE__, __func__); 1141 xs->error = XS_DRIVER_STUFFUP; 1142 scsipi_done(xs); 1143 return; 1144 } 1145 1146 break; 1147 case ADAPTER_REQ_GROW_RESOURCES: 1148 /* 1149 * Not supported. 1150 */ 1151 break; 1152 case ADAPTER_REQ_SET_XFER_MODE: 1153 /* 1154 * We can't change the transfer mode, but at least let 1155 * scsipi know what the adapter has negociated. 1156 */ 1157 xm = (struct scsipi_xfer_mode *)arg; 1158 xm->xm_mode |= PERIPH_CAP_TQING; 1159 scsipi_async_event(chan, ASYNC_EVENT_XFER_MODE, xm); 1160 break; 1161 default: 1162 printf("%s: %d %d unsupported\n", __func__, __LINE__, req); 1163 } 1164 } 1165 1166 int 1167 ciss_intr(void *v) 1168 { 1169 struct ciss_softc *sc = v; 1170 struct ciss_ccb *ccb; 1171 u_int32_t id; 1172 bus_size_t reg; 1173 int hit = 0; 1174 1175 CISS_DPRINTF(CISS_D_INTR, ("intr ")); 1176 1177 if (!(bus_space_read_4(sc->sc_iot, sc->sc_ioh, CISS_ISR) & sc->iem)) 1178 return 0; 1179 1180 if (sc->cfg.methods & CISS_METH_FIFO64) 1181 reg = CISS_OUTQ64_HI; 1182 else if (sc->cfg.methods & CISS_METH_FIFO64_RRO) 1183 reg = CISS_OUTQ64_LO; 1184 else 1185 reg = CISS_OUTQ; 1186 while ((id = bus_space_read_4(sc->sc_iot, sc->sc_ioh, reg)) != 1187 0xffffffff) { 1188 if (reg == CISS_OUTQ64_HI) 1189 id = bus_space_read_4(sc->sc_iot, sc->sc_ioh, 1190 CISS_OUTQ64_LO); 1191 else if (reg == CISS_OUTQ64_LO) 1192 (void)bus_space_read_4(sc->sc_iot, sc->sc_ioh, 1193 CISS_OUTQ64_HI); 1194 1195 ccb = (struct ciss_ccb *) ((char *)sc->ccbs + (id >> 2) * sc->ccblen); 1196 ccb->ccb_cmd.id = htole32(id); 1197 ccb->ccb_cmd.id_hi = htole32(0); /* ignore the upper 32bits */ 1198 if (ccb->ccb_state == CISS_CCB_POLL) { 1199 ccb->ccb_state = CISS_CCB_ONQ; 1200 mutex_enter(&sc->sc_mutex); 1201 cv_broadcast(&sc->sc_condvar); 1202 mutex_exit(&sc->sc_mutex); 1203 } else 1204 ciss_done(ccb); 1205 1206 hit = 1; 1207 } 1208 1209 CISS_DPRINTF(CISS_D_INTR, ("exit\n")); 1210 return hit; 1211 } 1212 1213 static void 1214 ciss_heartbeat(void *v) 1215 { 1216 struct ciss_softc *sc = v; 1217 u_int32_t hb; 1218 1219 hb = bus_space_read_4(sc->sc_iot, sc->cfg_ioh, 1220 sc->cfgoff + offsetof(struct ciss_config, heartbeat)); 1221 if (hb == sc->heartbeat) { 1222 sc->fibrillation++; 1223 CISS_DPRINTF(CISS_D_ERR, ("%s: fibrillation #%d (value=%d)\n", 1224 device_xname(sc->sc_dev), sc->fibrillation, hb)); 1225 if (sc->fibrillation >= 11) { 1226 /* No heartbeat for 33 seconds */ 1227 panic("%s: dead", device_xname(sc->sc_dev)); /* XXX reset! */ 1228 } 1229 } else { 1230 sc->heartbeat = hb; 1231 if (sc->fibrillation) { 1232 CISS_DPRINTF(CISS_D_ERR, ("%s: " 1233 "fibrillation ended (value=%d)\n", 1234 device_xname(sc->sc_dev), hb)); 1235 } 1236 sc->fibrillation = 0; 1237 } 1238 1239 callout_schedule(&sc->sc_hb, hz * 3); 1240 } 1241 1242 static int 1243 ciss_scsi_ioctl(struct scsipi_channel *chan, u_long cmd, 1244 void *addr, int flag, struct proc *p) 1245 { 1246 #if NBIO > 0 1247 return ciss_ioctl(chan->chan_adapter->adapt_dev, cmd, addr); 1248 #else 1249 return ENOTTY; 1250 #endif 1251 } 1252 1253 #if NBIO > 0 1254 const int ciss_level[] = { 0, 4, 1, 5, 51, 7 }; 1255 const int ciss_stat[] = { BIOC_SVONLINE, BIOC_SVOFFLINE, BIOC_SVOFFLINE, 1256 BIOC_SVDEGRADED, BIOC_SVREBUILD, BIOC_SVREBUILD, BIOC_SVDEGRADED, 1257 BIOC_SVDEGRADED, BIOC_SVINVALID, BIOC_SVINVALID, BIOC_SVBUILDING, 1258 BIOC_SVOFFLINE, BIOC_SVBUILDING }; 1259 1260 int 1261 ciss_ioctl(device_t dev, u_long cmd, void *addr) 1262 { 1263 struct ciss_softc *sc = device_private(dev); 1264 struct bioc_inq *bi; 1265 struct bioc_disk *bd; 1266 struct bioc_blink *bb; 1267 struct ciss_ldstat *ldstat; 1268 struct ciss_pdid *pdid; 1269 struct ciss_blink *blink; 1270 struct ciss_ld *ldp; 1271 u_int8_t drv; 1272 int ld, pd, error = 0; 1273 1274 switch (cmd) { 1275 case BIOCINQ: 1276 bi = (struct bioc_inq *)addr; 1277 strlcpy(bi->bi_dev, device_xname(sc->sc_dev), sizeof(bi->bi_dev)); 1278 bi->bi_novol = sc->maxunits; 1279 bi->bi_nodisk = sc->sc_lds[0]->ndrives; 1280 break; 1281 1282 case BIOCVOL: 1283 error = ciss_ioctl_vol(sc, (struct bioc_vol *)addr); 1284 break; 1285 1286 case BIOCDISK_NOVOL: 1287 /* 1288 * XXX since we don't know how to associate physical drives with logical drives 1289 * yet, BIOCDISK_NOVOL is equivalent to BIOCDISK to the volume that we've 1290 * associated all physical drives to. 1291 * Maybe assoicate all physical drives to all logical volumes, but only return 1292 * physical drives on one logical volume. Which one? Either 1st volume that 1293 * is degraded, rebuilding, or failed? 1294 */ 1295 bd = (struct bioc_disk *)addr; 1296 bd->bd_volid = 0; 1297 bd->bd_disknovol = true; 1298 /* FALLTHROUGH */ 1299 case BIOCDISK: 1300 bd = (struct bioc_disk *)addr; 1301 if (bd->bd_volid > sc->maxunits) { 1302 error = EINVAL; 1303 break; 1304 } 1305 ldp = sc->sc_lds[0]; 1306 if (!ldp || (pd = bd->bd_diskid) > ldp->ndrives) { 1307 error = EINVAL; 1308 break; 1309 } 1310 ldstat = sc->scratch; 1311 if ((error = ciss_ldstat(sc, bd->bd_volid, ldstat))) { 1312 break; 1313 } 1314 bd->bd_status = -1; 1315 if (ldstat->stat == CISS_LD_REBLD && 1316 ldstat->bigrebuild == ldp->tgts[pd]) 1317 bd->bd_status = BIOC_SDREBUILD; 1318 if (ciss_bitset(ldp->tgts[pd] & (~CISS_BIGBIT), 1319 ldstat->bigfailed)) { 1320 bd->bd_status = BIOC_SDFAILED; 1321 bd->bd_size = 0; 1322 bd->bd_channel = (ldp->tgts[pd] & (~CISS_BIGBIT)) / 1323 sc->ndrives; 1324 bd->bd_target = ldp->tgts[pd] % sc->ndrives; 1325 bd->bd_lun = 0; 1326 bd->bd_vendor[0] = '\0'; 1327 bd->bd_serial[0] = '\0'; 1328 bd->bd_procdev[0] = '\0'; 1329 } else { 1330 pdid = sc->scratch; 1331 if ((error = ciss_pdid(sc, ldp->tgts[pd], pdid, 1332 XS_CTL_POLL))) { 1333 bd->bd_status = BIOC_SDFAILED; 1334 bd->bd_size = 0; 1335 bd->bd_channel = (ldp->tgts[pd] & (~CISS_BIGBIT)) / 1336 sc->ndrives; 1337 bd->bd_target = ldp->tgts[pd] % sc->ndrives; 1338 bd->bd_lun = 0; 1339 bd->bd_vendor[0] = '\0'; 1340 bd->bd_serial[0] = '\0'; 1341 bd->bd_procdev[0] = '\0'; 1342 error = 0; 1343 break; 1344 } 1345 if (bd->bd_status < 0) { 1346 if (pdid->config & CISS_PD_SPARE) 1347 bd->bd_status = BIOC_SDHOTSPARE; 1348 else if (pdid->present & CISS_PD_PRESENT) 1349 bd->bd_status = BIOC_SDONLINE; 1350 else 1351 bd->bd_status = BIOC_SDINVALID; 1352 } 1353 bd->bd_size = (u_int64_t)le32toh(pdid->nblocks) * 1354 le16toh(pdid->blksz); 1355 bd->bd_channel = pdid->bus; 1356 bd->bd_target = pdid->target; 1357 bd->bd_lun = 0; 1358 strlcpy(bd->bd_vendor, pdid->model, 1359 sizeof(bd->bd_vendor)); 1360 strlcpy(bd->bd_serial, pdid->serial, 1361 sizeof(bd->bd_serial)); 1362 bd->bd_procdev[0] = '\0'; 1363 } 1364 break; 1365 1366 case BIOCBLINK: 1367 bb = (struct bioc_blink *)addr; 1368 blink = sc->scratch; 1369 error = EINVAL; 1370 /* XXX workaround completely dumb scsi addressing */ 1371 for (ld = 0; ld < sc->maxunits; ld++) { 1372 ldp = sc->sc_lds[ld]; 1373 if (!ldp) 1374 continue; 1375 if (sc->ndrives == 256) 1376 drv = bb->bb_target; 1377 else 1378 drv = CISS_BIGBIT + 1379 bb->bb_channel * sc->ndrives + 1380 bb->bb_target; 1381 for (pd = 0; pd < ldp->ndrives; pd++) 1382 if (ldp->tgts[pd] == drv) 1383 error = ciss_blink(sc, ld, pd, 1384 bb->bb_status, blink); 1385 } 1386 break; 1387 1388 case BIOCALARM: 1389 case BIOCSETSTATE: 1390 default: 1391 error = EINVAL; 1392 } 1393 1394 return (error); 1395 } 1396 1397 int 1398 ciss_ioctl_vol(struct ciss_softc *sc, struct bioc_vol *bv) 1399 { 1400 struct ciss_ldid *ldid; 1401 struct ciss_ld *ldp; 1402 struct ciss_ldstat *ldstat; 1403 struct ciss_pdid *pdid; 1404 int error = 0; 1405 u_int blks; 1406 1407 if (bv->bv_volid > sc->maxunits) { 1408 return EINVAL; 1409 } 1410 ldp = sc->sc_lds[bv->bv_volid]; 1411 ldid = sc->scratch; 1412 if ((error = ciss_ldid(sc, bv->bv_volid, ldid))) { 1413 return error; 1414 } 1415 bv->bv_status = BIOC_SVINVALID; 1416 blks = (u_int)le16toh(ldid->nblocks[1]) << 16 | 1417 le16toh(ldid->nblocks[0]); 1418 bv->bv_size = blks * (u_quad_t)le16toh(ldid->blksize); 1419 bv->bv_level = ciss_level[ldid->type]; 1420 /* 1421 * XXX Should only return bv_nodisk for logigal volume that we've associated 1422 * the physical drives to: either the 1st degraded, rebuilding, or failed 1423 * volume else volume 0? 1424 */ 1425 if (ldp) { 1426 bv->bv_nodisk = ldp->ndrives; 1427 strlcpy(bv->bv_dev, ldp->xname, sizeof(bv->bv_dev)); 1428 } 1429 strlcpy(bv->bv_vendor, "CISS", sizeof(bv->bv_vendor)); 1430 ldstat = sc->scratch; 1431 memset(ldstat, 0, sizeof(*ldstat)); 1432 if ((error = ciss_ldstat(sc, bv->bv_volid, ldstat))) { 1433 return error; 1434 } 1435 bv->bv_percent = -1; 1436 bv->bv_seconds = 0; 1437 if (ldstat->stat < sizeof(ciss_stat)/sizeof(ciss_stat[0])) 1438 bv->bv_status = ciss_stat[ldstat->stat]; 1439 if (bv->bv_status == BIOC_SVREBUILD || 1440 bv->bv_status == BIOC_SVBUILDING) { 1441 u_int64_t prog; 1442 1443 ldp = sc->sc_lds[0]; 1444 if (ldp) { 1445 bv->bv_nodisk = ldp->ndrives; 1446 strlcpy(bv->bv_dev, ldp->xname, sizeof(bv->bv_dev)); 1447 } 1448 /* 1449 * XXX ldstat->prog is blocks remaining on physical drive being rebuilt 1450 * blks is only correct for a RAID1 set; RAID5 needs to determine the 1451 * size of the physical device - which we don't yet know. 1452 * ldstat->bigrebuild has physical device target, so could be used with 1453 * pdid to get size. Another way is to save pd information in sc so it's 1454 * easy to reference. 1455 */ 1456 prog = (u_int64_t)((ldstat->prog[3] << 24) | 1457 (ldstat->prog[2] << 16) | (ldstat->prog[1] << 8) | 1458 ldstat->prog[0]); 1459 pdid = sc->scratch; 1460 if (!ciss_pdid(sc, ldstat->bigrebuild, pdid, XS_CTL_POLL)) { 1461 blks = le32toh(pdid->nblocks); 1462 bv->bv_percent = (blks - prog) * 1000ULL / blks; 1463 } 1464 } 1465 return 0; 1466 } 1467 1468 int 1469 ciss_blink(struct ciss_softc *sc, int ld, int pd, int stat, 1470 struct ciss_blink *blink) 1471 { 1472 struct ciss_ccb *ccb; 1473 struct ciss_cmd *cmd; 1474 struct ciss_ld *ldp; 1475 1476 if (ld > sc->maxunits) 1477 return EINVAL; 1478 1479 ldp = sc->sc_lds[ld]; 1480 if (!ldp || pd > ldp->ndrives) 1481 return EINVAL; 1482 1483 ldp->bling.pdtab[ldp->tgts[pd]] = stat == BIOC_SBUNBLINK? 0 : 1484 CISS_BLINK_ALL; 1485 memcpy(blink, &ldp->bling, sizeof(*blink)); 1486 1487 ccb = ciss_get_ccb(sc); 1488 if (ccb == NULL) 1489 return ENOMEM; 1490 ccb->ccb_len = sizeof(*blink); 1491 ccb->ccb_data = blink; 1492 ccb->ccb_xs = NULL; 1493 cmd = &ccb->ccb_cmd; 1494 cmd->tgt = htole32(CISS_CMD_MODE_PERIPH); 1495 cmd->tgt2 = 0; 1496 cmd->cdblen = 10; 1497 cmd->flags = CISS_CDB_CMD | CISS_CDB_SIMPL | CISS_CDB_OUT; 1498 cmd->tmo = htole16(0); 1499 memset(&cmd->cdb[0], 0, sizeof(cmd->cdb)); 1500 cmd->cdb[0] = CISS_CMD_CTRL_SET; 1501 cmd->cdb[6] = CISS_CMS_CTRL_PDBLINK; 1502 cmd->cdb[7] = sizeof(*blink) >> 8; /* biiiig endian */ 1503 cmd->cdb[8] = sizeof(*blink) & 0xff; 1504 1505 return ciss_cmd(ccb, BUS_DMA_NOWAIT, XS_CTL_POLL); 1506 } 1507 1508 int 1509 ciss_create_sensors(struct ciss_softc *sc) 1510 { 1511 int i; 1512 int nsensors = sc->maxunits; 1513 1514 if (nsensors == 0) { 1515 return 0; 1516 } 1517 1518 sc->sc_sme = sysmon_envsys_create(); 1519 sc->sc_sensor = malloc(sizeof(envsys_data_t) * nsensors, 1520 M_DEVBUF, M_NOWAIT | M_ZERO); 1521 if (sc->sc_sensor == NULL) { 1522 aprint_error_dev(sc->sc_dev, "can't allocate envsys_data"); 1523 return(ENOMEM); 1524 } 1525 1526 for (i = 0; i < nsensors; i++) { 1527 sc->sc_sensor[i].units = ENVSYS_DRIVE; 1528 sc->sc_sensor[i].state = ENVSYS_SINVALID; 1529 sc->sc_sensor[i].value_cur = ENVSYS_DRIVE_EMPTY; 1530 /* Enable monitoring for drive state changes */ 1531 sc->sc_sensor[i].flags |= ENVSYS_FMONSTCHANGED; 1532 /* logical drives */ 1533 snprintf(sc->sc_sensor[i].desc, 1534 sizeof(sc->sc_sensor[i].desc), "%s:%d", 1535 device_xname(sc->sc_dev), i); 1536 if (sysmon_envsys_sensor_attach(sc->sc_sme, 1537 &sc->sc_sensor[i])) 1538 goto out; 1539 } 1540 1541 sc->sc_sme->sme_name = device_xname(sc->sc_dev); 1542 sc->sc_sme->sme_cookie = sc; 1543 sc->sc_sme->sme_refresh = ciss_sensor_refresh; 1544 if (sysmon_envsys_register(sc->sc_sme)) { 1545 printf("%s: unable to register with sysmon\n", 1546 device_xname(sc->sc_dev)); 1547 return(1); 1548 } 1549 return (0); 1550 1551 out: 1552 free(sc->sc_sensor, M_DEVBUF); 1553 sysmon_envsys_destroy(sc->sc_sme); 1554 return EINVAL; 1555 } 1556 1557 void 1558 ciss_sensor_refresh(struct sysmon_envsys *sme, envsys_data_t *edata) 1559 { 1560 struct ciss_softc *sc = sme->sme_cookie; 1561 struct bioc_vol bv; 1562 1563 if (edata->sensor >= sc->maxunits) 1564 return; 1565 1566 memset(&bv, 0, sizeof(bv)); 1567 bv.bv_volid = edata->sensor; 1568 if (ciss_ioctl_vol(sc, &bv)) 1569 bv.bv_status = BIOC_SVINVALID; 1570 1571 bio_vol_to_envsys(edata, &bv); 1572 } 1573 #endif /* NBIO > 0 */ 1574