arcmsr.c revision 1.33
1 /* $NetBSD: arcmsr.c,v 1.33 2016/05/02 19:18:29 christos Exp $ */ 2 /* $OpenBSD: arc.c,v 1.68 2007/10/27 03:28:27 dlg Exp $ */ 3 4 /* 5 * Copyright (c) 2007, 2008 Juan Romero Pardines <xtraeme (at) netbsd.org> 6 * Copyright (c) 2006 David Gwynne <dlg (at) openbsd.org> 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 USE, DATA OR PROFITS, WHETHER IN AN 17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19 */ 20 21 #include "bio.h" 22 23 #include <sys/cdefs.h> 24 __KERNEL_RCSID(0, "$NetBSD: arcmsr.c,v 1.33 2016/05/02 19:18:29 christos Exp $"); 25 26 #include <sys/param.h> 27 #include <sys/buf.h> 28 #include <sys/kernel.h> 29 #include <sys/malloc.h> 30 #include <sys/device.h> 31 #include <sys/kmem.h> 32 #include <sys/kthread.h> 33 #include <sys/mutex.h> 34 #include <sys/condvar.h> 35 #include <sys/rwlock.h> 36 37 #if NBIO > 0 38 #include <sys/ioctl.h> 39 #include <dev/biovar.h> 40 #endif 41 42 #include <dev/pci/pcireg.h> 43 #include <dev/pci/pcivar.h> 44 #include <dev/pci/pcidevs.h> 45 46 #include <dev/scsipi/scsipi_all.h> 47 #include <dev/scsipi/scsi_all.h> 48 #include <dev/scsipi/scsiconf.h> 49 50 #include <dev/sysmon/sysmonvar.h> 51 52 #include <sys/bus.h> 53 54 #include <dev/pci/arcmsrvar.h> 55 56 /* #define ARC_DEBUG */ 57 #ifdef ARC_DEBUG 58 #define ARC_D_INIT (1<<0) 59 #define ARC_D_RW (1<<1) 60 #define ARC_D_DB (1<<2) 61 62 int arcdebug = 0; 63 64 #define DPRINTF(p...) do { if (arcdebug) printf(p); } while (0) 65 #define DNPRINTF(n, p...) do { if ((n) & arcdebug) printf(p); } while (0) 66 67 #else 68 #define DPRINTF(p, ...) /* p */ 69 #define DNPRINTF(n, p, ...) /* n, p */ 70 #endif 71 72 /* 73 * the fw header must always equal this. 74 */ 75 static struct arc_fw_hdr arc_fw_hdr = { 0x5e, 0x01, 0x61 }; 76 77 /* 78 * autoconf(9) glue. 79 */ 80 static int arc_match(device_t, cfdata_t, void *); 81 static void arc_attach(device_t, device_t, void *); 82 static int arc_detach(device_t, int); 83 static bool arc_shutdown(device_t, int); 84 static int arc_intr(void *); 85 static void arc_minphys(struct buf *); 86 87 CFATTACH_DECL_NEW(arcmsr, sizeof(struct arc_softc), 88 arc_match, arc_attach, arc_detach, NULL); 89 90 /* 91 * bio(4) and sysmon_envsys(9) glue. 92 */ 93 #if NBIO > 0 94 static int arc_bioctl(device_t, u_long, void *); 95 static int arc_bio_inq(struct arc_softc *, struct bioc_inq *); 96 static int arc_bio_vol(struct arc_softc *, struct bioc_vol *); 97 static int arc_bio_disk_volume(struct arc_softc *, struct bioc_disk *); 98 static int arc_bio_disk_novol(struct arc_softc *, struct bioc_disk *); 99 static void arc_bio_disk_filldata(struct arc_softc *, struct bioc_disk *, 100 struct arc_fw_diskinfo *, int); 101 static int arc_bio_alarm(struct arc_softc *, struct bioc_alarm *); 102 static int arc_bio_alarm_state(struct arc_softc *, struct bioc_alarm *); 103 static int arc_bio_getvol(struct arc_softc *, int, 104 struct arc_fw_volinfo *); 105 static int arc_bio_setstate(struct arc_softc *, struct bioc_setstate *); 106 static int arc_bio_volops(struct arc_softc *, struct bioc_volops *); 107 static void arc_create_sensors(void *); 108 static void arc_refresh_sensors(struct sysmon_envsys *, envsys_data_t *); 109 static int arc_fw_parse_status_code(struct arc_softc *, uint8_t *); 110 #endif 111 112 static int 113 arc_match(device_t parent, cfdata_t match, void *aux) 114 { 115 struct pci_attach_args *pa = aux; 116 117 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ARECA) { 118 switch (PCI_PRODUCT(pa->pa_id)) { 119 case PCI_PRODUCT_ARECA_ARC1110: 120 case PCI_PRODUCT_ARECA_ARC1120: 121 case PCI_PRODUCT_ARECA_ARC1130: 122 case PCI_PRODUCT_ARECA_ARC1160: 123 case PCI_PRODUCT_ARECA_ARC1170: 124 case PCI_PRODUCT_ARECA_ARC1200: 125 case PCI_PRODUCT_ARECA_ARC1202: 126 case PCI_PRODUCT_ARECA_ARC1210: 127 case PCI_PRODUCT_ARECA_ARC1220: 128 case PCI_PRODUCT_ARECA_ARC1230: 129 case PCI_PRODUCT_ARECA_ARC1260: 130 case PCI_PRODUCT_ARECA_ARC1270: 131 case PCI_PRODUCT_ARECA_ARC1280: 132 case PCI_PRODUCT_ARECA_ARC1380: 133 case PCI_PRODUCT_ARECA_ARC1381: 134 case PCI_PRODUCT_ARECA_ARC1680: 135 case PCI_PRODUCT_ARECA_ARC1681: 136 return 1; 137 default: 138 break; 139 } 140 } 141 142 return 0; 143 } 144 145 static void 146 arc_attach(device_t parent, device_t self, void *aux) 147 { 148 struct arc_softc *sc = device_private(self); 149 struct pci_attach_args *pa = aux; 150 struct scsipi_adapter *adapt = &sc->sc_adapter; 151 struct scsipi_channel *chan = &sc->sc_chan; 152 153 sc->sc_dev = self; 154 sc->sc_talking = 0; 155 rw_init(&sc->sc_rwlock); 156 mutex_init(&sc->sc_mutex, MUTEX_DEFAULT, IPL_BIO); 157 cv_init(&sc->sc_condvar, "arcdb"); 158 159 if (arc_map_pci_resources(self, pa) != 0) { 160 /* error message printed by arc_map_pci_resources */ 161 return; 162 } 163 164 if (arc_query_firmware(self) != 0) { 165 /* error message printed by arc_query_firmware */ 166 goto unmap_pci; 167 } 168 169 if (arc_alloc_ccbs(self) != 0) { 170 /* error message printed by arc_alloc_ccbs */ 171 goto unmap_pci; 172 } 173 174 if (!pmf_device_register1(self, NULL, NULL, arc_shutdown)) 175 panic("%s: couldn't establish shutdown handler\n", 176 device_xname(self)); 177 178 memset(adapt, 0, sizeof(*adapt)); 179 adapt->adapt_dev = self; 180 adapt->adapt_nchannels = 1; 181 adapt->adapt_openings = sc->sc_req_count / ARC_MAX_TARGET; 182 adapt->adapt_max_periph = adapt->adapt_openings; 183 adapt->adapt_minphys = arc_minphys; 184 adapt->adapt_request = arc_scsi_cmd; 185 186 memset(chan, 0, sizeof(*chan)); 187 chan->chan_adapter = adapt; 188 chan->chan_bustype = &scsi_bustype; 189 chan->chan_nluns = ARC_MAX_LUN; 190 chan->chan_ntargets = ARC_MAX_TARGET; 191 chan->chan_id = ARC_MAX_TARGET; 192 chan->chan_flags = SCSIPI_CHAN_NOSETTLE; 193 194 /* 195 * Save the device_t returned, because we could to attach 196 * devices via the management interface. 197 */ 198 sc->sc_scsibus_dv = config_found(self, &sc->sc_chan, scsiprint); 199 200 /* enable interrupts */ 201 arc_write(sc, ARC_REG_INTRMASK, 202 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRSTAT_DOORBELL)); 203 204 #if NBIO > 0 205 /* 206 * Register the driver to bio(4) and setup the sensors. 207 */ 208 if (bio_register(self, arc_bioctl) != 0) 209 panic("%s: bioctl registration failed\n", device_xname(self)); 210 211 /* 212 * you need to talk to the firmware to get volume info. our firmware 213 * interface relies on being able to sleep, so we need to use a thread 214 * to do the work. 215 */ 216 if (kthread_create(PRI_NONE, KTHREAD_MPSAFE, NULL, 217 arc_create_sensors, sc, &sc->sc_lwp, "arcmsr_sensors") != 0) 218 panic("%s: unable to create a kernel thread for sensors\n", 219 device_xname(self)); 220 #endif 221 222 return; 223 224 unmap_pci: 225 arc_unmap_pci_resources(sc); 226 } 227 228 static int 229 arc_detach(device_t self, int flags) 230 { 231 struct arc_softc *sc = device_private(self); 232 233 if (arc_msg0(sc, ARC_REG_INB_MSG0_STOP_BGRB) != 0) 234 aprint_error_dev(self, "timeout waiting to stop bg rebuild\n"); 235 236 if (arc_msg0(sc, ARC_REG_INB_MSG0_FLUSH_CACHE) != 0) 237 aprint_error_dev(self, "timeout waiting to flush cache\n"); 238 239 if (sc->sc_sme != NULL) 240 sysmon_envsys_unregister(sc->sc_sme); 241 242 return 0; 243 } 244 245 static bool 246 arc_shutdown(device_t self, int how) 247 { 248 struct arc_softc *sc = device_private(self); 249 250 if (arc_msg0(sc, ARC_REG_INB_MSG0_STOP_BGRB) != 0) 251 aprint_error_dev(self, "timeout waiting to stop bg rebuild\n"); 252 253 if (arc_msg0(sc, ARC_REG_INB_MSG0_FLUSH_CACHE) != 0) 254 aprint_error_dev(self, "timeout waiting to flush cache\n"); 255 256 return true; 257 } 258 259 static void 260 arc_minphys(struct buf *bp) 261 { 262 if (bp->b_bcount > MAXPHYS) 263 bp->b_bcount = MAXPHYS; 264 minphys(bp); 265 } 266 267 static int 268 arc_intr(void *arg) 269 { 270 struct arc_softc *sc = arg; 271 struct arc_ccb *ccb = NULL; 272 char *kva = ARC_DMA_KVA(sc->sc_requests); 273 struct arc_io_cmd *cmd; 274 uint32_t reg, intrstat; 275 276 mutex_spin_enter(&sc->sc_mutex); 277 intrstat = arc_read(sc, ARC_REG_INTRSTAT); 278 if (intrstat == 0x0) { 279 mutex_spin_exit(&sc->sc_mutex); 280 return 0; 281 } 282 283 intrstat &= ARC_REG_INTRSTAT_POSTQUEUE | ARC_REG_INTRSTAT_DOORBELL; 284 arc_write(sc, ARC_REG_INTRSTAT, intrstat); 285 286 if (intrstat & ARC_REG_INTRSTAT_DOORBELL) { 287 if (sc->sc_talking) { 288 arc_write(sc, ARC_REG_INTRMASK, 289 ~ARC_REG_INTRMASK_POSTQUEUE); 290 cv_broadcast(&sc->sc_condvar); 291 } else { 292 /* otherwise drop it */ 293 reg = arc_read(sc, ARC_REG_OUTB_DOORBELL); 294 arc_write(sc, ARC_REG_OUTB_DOORBELL, reg); 295 if (reg & ARC_REG_OUTB_DOORBELL_WRITE_OK) 296 arc_write(sc, ARC_REG_INB_DOORBELL, 297 ARC_REG_INB_DOORBELL_READ_OK); 298 } 299 } 300 mutex_spin_exit(&sc->sc_mutex); 301 302 while ((reg = arc_pop(sc)) != 0xffffffff) { 303 cmd = (struct arc_io_cmd *)(kva + 304 ((reg << ARC_REG_REPLY_QUEUE_ADDR_SHIFT) - 305 (uint32_t)ARC_DMA_DVA(sc->sc_requests))); 306 ccb = &sc->sc_ccbs[htole32(cmd->cmd.context)]; 307 308 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), 309 ccb->ccb_offset, ARC_MAX_IOCMDLEN, 310 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 311 312 arc_scsi_cmd_done(sc, ccb, reg); 313 } 314 315 316 return 1; 317 } 318 319 void 320 arc_scsi_cmd(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg) 321 { 322 struct scsipi_periph *periph; 323 struct scsipi_xfer *xs; 324 struct scsipi_adapter *adapt = chan->chan_adapter; 325 struct arc_softc *sc = device_private(adapt->adapt_dev); 326 struct arc_ccb *ccb; 327 struct arc_msg_scsicmd *cmd; 328 uint32_t reg; 329 uint8_t target; 330 331 switch (req) { 332 case ADAPTER_REQ_GROW_RESOURCES: 333 /* Not supported. */ 334 return; 335 case ADAPTER_REQ_SET_XFER_MODE: 336 /* Not supported. */ 337 return; 338 case ADAPTER_REQ_RUN_XFER: 339 break; 340 } 341 342 mutex_spin_enter(&sc->sc_mutex); 343 344 xs = arg; 345 periph = xs->xs_periph; 346 target = periph->periph_target; 347 348 if (xs->cmdlen > ARC_MSG_CDBLEN) { 349 memset(&xs->sense, 0, sizeof(xs->sense)); 350 xs->sense.scsi_sense.response_code = SSD_RCODE_VALID | 0x70; 351 xs->sense.scsi_sense.flags = SKEY_ILLEGAL_REQUEST; 352 xs->sense.scsi_sense.asc = 0x20; 353 xs->error = XS_SENSE; 354 xs->status = SCSI_CHECK; 355 mutex_spin_exit(&sc->sc_mutex); 356 scsipi_done(xs); 357 return; 358 } 359 360 ccb = arc_get_ccb(sc); 361 if (ccb == NULL) { 362 xs->error = XS_RESOURCE_SHORTAGE; 363 mutex_spin_exit(&sc->sc_mutex); 364 scsipi_done(xs); 365 return; 366 } 367 368 ccb->ccb_xs = xs; 369 370 if (arc_load_xs(ccb) != 0) { 371 xs->error = XS_DRIVER_STUFFUP; 372 arc_put_ccb(sc, ccb); 373 mutex_spin_exit(&sc->sc_mutex); 374 scsipi_done(xs); 375 return; 376 } 377 378 cmd = &ccb->ccb_cmd->cmd; 379 reg = ccb->ccb_cmd_post; 380 381 /* bus is always 0 */ 382 cmd->target = target; 383 cmd->lun = periph->periph_lun; 384 cmd->function = 1; /* XXX magic number */ 385 386 cmd->cdb_len = xs->cmdlen; 387 cmd->sgl_len = ccb->ccb_dmamap->dm_nsegs; 388 if (xs->xs_control & XS_CTL_DATA_OUT) 389 cmd->flags = ARC_MSG_SCSICMD_FLAG_WRITE; 390 if (ccb->ccb_dmamap->dm_nsegs > ARC_SGL_256LEN) { 391 cmd->flags |= ARC_MSG_SCSICMD_FLAG_SGL_BSIZE_512; 392 reg |= ARC_REG_POST_QUEUE_BIGFRAME; 393 } 394 395 cmd->context = htole32(ccb->ccb_id); 396 cmd->data_len = htole32(xs->datalen); 397 398 memcpy(cmd->cdb, xs->cmd, xs->cmdlen); 399 400 /* we've built the command, let's put it on the hw */ 401 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), 402 ccb->ccb_offset, ARC_MAX_IOCMDLEN, 403 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 404 405 arc_push(sc, reg); 406 if (xs->xs_control & XS_CTL_POLL) { 407 if (arc_complete(sc, ccb, xs->timeout) != 0) { 408 xs->error = XS_DRIVER_STUFFUP; 409 mutex_spin_exit(&sc->sc_mutex); 410 scsipi_done(xs); 411 return; 412 } 413 } 414 415 mutex_spin_exit(&sc->sc_mutex); 416 } 417 418 int 419 arc_load_xs(struct arc_ccb *ccb) 420 { 421 struct arc_softc *sc = ccb->ccb_sc; 422 struct scsipi_xfer *xs = ccb->ccb_xs; 423 bus_dmamap_t dmap = ccb->ccb_dmamap; 424 struct arc_sge *sgl = ccb->ccb_cmd->sgl, *sge; 425 uint64_t addr; 426 int i, error; 427 428 if (xs->datalen == 0) 429 return 0; 430 431 error = bus_dmamap_load(sc->sc_dmat, dmap, 432 xs->data, xs->datalen, NULL, 433 (xs->xs_control & XS_CTL_NOSLEEP) ? 434 BUS_DMA_NOWAIT : BUS_DMA_WAITOK); 435 if (error != 0) { 436 aprint_error("%s: error %d loading dmamap\n", 437 device_xname(sc->sc_dev), error); 438 return 1; 439 } 440 441 for (i = 0; i < dmap->dm_nsegs; i++) { 442 sge = &sgl[i]; 443 444 sge->sg_hdr = htole32(ARC_SGE_64BIT | dmap->dm_segs[i].ds_len); 445 addr = dmap->dm_segs[i].ds_addr; 446 sge->sg_hi_addr = htole32((uint32_t)(addr >> 32)); 447 sge->sg_lo_addr = htole32((uint32_t)addr); 448 } 449 450 bus_dmamap_sync(sc->sc_dmat, dmap, 0, dmap->dm_mapsize, 451 (xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMASYNC_PREREAD : 452 BUS_DMASYNC_PREWRITE); 453 454 return 0; 455 } 456 457 void 458 arc_scsi_cmd_done(struct arc_softc *sc, struct arc_ccb *ccb, uint32_t reg) 459 { 460 struct scsipi_xfer *xs = ccb->ccb_xs; 461 struct arc_msg_scsicmd *cmd; 462 463 if (xs->datalen != 0) { 464 bus_dmamap_sync(sc->sc_dmat, ccb->ccb_dmamap, 0, 465 ccb->ccb_dmamap->dm_mapsize, 466 (xs->xs_control & XS_CTL_DATA_IN) ? 467 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 468 bus_dmamap_unload(sc->sc_dmat, ccb->ccb_dmamap); 469 } 470 471 /* timeout_del */ 472 xs->status |= XS_STS_DONE; 473 474 if (reg & ARC_REG_REPLY_QUEUE_ERR) { 475 cmd = &ccb->ccb_cmd->cmd; 476 477 switch (cmd->status) { 478 case ARC_MSG_STATUS_SELTIMEOUT: 479 case ARC_MSG_STATUS_ABORTED: 480 case ARC_MSG_STATUS_INIT_FAIL: 481 xs->status = SCSI_OK; 482 xs->error = XS_SELTIMEOUT; 483 break; 484 485 case SCSI_CHECK: 486 memset(&xs->sense, 0, sizeof(xs->sense)); 487 memcpy(&xs->sense, cmd->sense_data, 488 min(ARC_MSG_SENSELEN, sizeof(xs->sense))); 489 xs->sense.scsi_sense.response_code = 490 SSD_RCODE_VALID | 0x70; 491 xs->status = SCSI_CHECK; 492 xs->error = XS_SENSE; 493 xs->resid = 0; 494 break; 495 496 default: 497 /* unknown device status */ 498 xs->error = XS_BUSY; /* try again later? */ 499 xs->status = SCSI_BUSY; 500 break; 501 } 502 } else { 503 xs->status = SCSI_OK; 504 xs->error = XS_NOERROR; 505 xs->resid = 0; 506 } 507 508 arc_put_ccb(sc, ccb); 509 scsipi_done(xs); 510 } 511 512 int 513 arc_complete(struct arc_softc *sc, struct arc_ccb *nccb, int timeout) 514 { 515 struct arc_ccb *ccb = NULL; 516 char *kva = ARC_DMA_KVA(sc->sc_requests); 517 struct arc_io_cmd *cmd; 518 uint32_t reg; 519 520 do { 521 reg = arc_pop(sc); 522 if (reg == 0xffffffff) { 523 if (timeout-- == 0) 524 return 1; 525 526 delay(1000); 527 continue; 528 } 529 530 cmd = (struct arc_io_cmd *)(kva + 531 ((reg << ARC_REG_REPLY_QUEUE_ADDR_SHIFT) - 532 ARC_DMA_DVA(sc->sc_requests))); 533 ccb = &sc->sc_ccbs[htole32(cmd->cmd.context)]; 534 535 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), 536 ccb->ccb_offset, ARC_MAX_IOCMDLEN, 537 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 538 539 arc_scsi_cmd_done(sc, ccb, reg); 540 } while (nccb != ccb); 541 542 return 0; 543 } 544 545 int 546 arc_map_pci_resources(device_t self, struct pci_attach_args *pa) 547 { 548 struct arc_softc *sc = device_private(self); 549 pcireg_t memtype; 550 pci_intr_handle_t ih; 551 char intrbuf[PCI_INTRSTR_LEN]; 552 553 sc->sc_pc = pa->pa_pc; 554 sc->sc_tag = pa->pa_tag; 555 sc->sc_dmat = pa->pa_dmat; 556 557 memtype = pci_mapreg_type(sc->sc_pc, sc->sc_tag, ARC_PCI_BAR); 558 if (pci_mapreg_map(pa, ARC_PCI_BAR, memtype, 0, &sc->sc_iot, 559 &sc->sc_ioh, NULL, &sc->sc_ios) != 0) { 560 aprint_error(": unable to map system interface register\n"); 561 return 1; 562 } 563 564 if (pci_intr_map(pa, &ih) != 0) { 565 aprint_error(": unable to map interrupt\n"); 566 goto unmap; 567 } 568 569 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, 570 arc_intr, sc); 571 if (sc->sc_ih == NULL) { 572 aprint_error(": unable to map interrupt [2]\n"); 573 goto unmap; 574 } 575 576 aprint_normal("\n"); 577 aprint_normal_dev(self, "interrupting at %s\n", 578 pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf))); 579 580 return 0; 581 582 unmap: 583 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 584 sc->sc_ios = 0; 585 return 1; 586 } 587 588 void 589 arc_unmap_pci_resources(struct arc_softc *sc) 590 { 591 pci_intr_disestablish(sc->sc_pc, sc->sc_ih); 592 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 593 sc->sc_ios = 0; 594 } 595 596 int 597 arc_query_firmware(device_t self) 598 { 599 struct arc_softc *sc = device_private(self); 600 struct arc_msg_firmware_info fwinfo; 601 char string[81]; /* sizeof(vendor)*2+1 */ 602 603 if (arc_wait_eq(sc, ARC_REG_OUTB_ADDR1, ARC_REG_OUTB_ADDR1_FIRMWARE_OK, 604 ARC_REG_OUTB_ADDR1_FIRMWARE_OK) != 0) { 605 aprint_debug_dev(self, "timeout waiting for firmware ok\n"); 606 return 1; 607 } 608 609 if (arc_msg0(sc, ARC_REG_INB_MSG0_GET_CONFIG) != 0) { 610 aprint_debug_dev(self, "timeout waiting for get config\n"); 611 return 1; 612 } 613 614 if (arc_msg0(sc, ARC_REG_INB_MSG0_START_BGRB) != 0) { 615 aprint_debug_dev(self, "timeout waiting to start bg rebuild\n"); 616 return 1; 617 } 618 619 arc_read_region(sc, ARC_REG_MSGBUF, &fwinfo, sizeof(fwinfo)); 620 621 DNPRINTF(ARC_D_INIT, "%s: signature: 0x%08x\n", 622 device_xname(self), htole32(fwinfo.signature)); 623 624 if (htole32(fwinfo.signature) != ARC_FWINFO_SIGNATURE_GET_CONFIG) { 625 aprint_error_dev(self, "invalid firmware info from iop\n"); 626 return 1; 627 } 628 629 DNPRINTF(ARC_D_INIT, "%s: request_len: %d\n", 630 device_xname(self), htole32(fwinfo.request_len)); 631 DNPRINTF(ARC_D_INIT, "%s: queue_len: %d\n", 632 device_xname(self), htole32(fwinfo.queue_len)); 633 DNPRINTF(ARC_D_INIT, "%s: sdram_size: %d\n", 634 device_xname(self), htole32(fwinfo.sdram_size)); 635 DNPRINTF(ARC_D_INIT, "%s: sata_ports: %d\n", 636 device_xname(self), htole32(fwinfo.sata_ports)); 637 638 strnvisx(string, sizeof(string), fwinfo.vendor, sizeof(fwinfo.vendor), 639 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 640 DNPRINTF(ARC_D_INIT, "%s: vendor: \"%s\"\n", 641 device_xname(self), string); 642 643 strnvisx(string, sizeof(string), fwinfo.model, sizeof(fwinfo.model), 644 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 645 aprint_normal_dev(self, "Areca %s Host Adapter RAID controller\n", 646 string); 647 648 strnvisx(string, sizeof(string), fwinfo.fw_version, 649 sizeof(fwinfo.fw_version), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 650 DNPRINTF(ARC_D_INIT, "%s: version: \"%s\"\n", 651 device_xname(self), string); 652 653 aprint_normal_dev(self, "%d ports, %dMB SDRAM, firmware <%s>\n", 654 htole32(fwinfo.sata_ports), htole32(fwinfo.sdram_size), string); 655 656 if (htole32(fwinfo.request_len) != ARC_MAX_IOCMDLEN) { 657 aprint_error_dev(self, 658 "unexpected request frame size (%d != %d)\n", 659 htole32(fwinfo.request_len), ARC_MAX_IOCMDLEN); 660 return 1; 661 } 662 663 sc->sc_req_count = htole32(fwinfo.queue_len); 664 665 return 0; 666 } 667 668 #if NBIO > 0 669 static int 670 arc_bioctl(device_t self, u_long cmd, void *addr) 671 { 672 struct arc_softc *sc = device_private(self); 673 int error = 0; 674 675 switch (cmd) { 676 case BIOCINQ: 677 error = arc_bio_inq(sc, (struct bioc_inq *)addr); 678 break; 679 680 case BIOCVOL: 681 error = arc_bio_vol(sc, (struct bioc_vol *)addr); 682 break; 683 684 case BIOCDISK: 685 error = arc_bio_disk_volume(sc, (struct bioc_disk *)addr); 686 break; 687 688 case BIOCDISK_NOVOL: 689 error = arc_bio_disk_novol(sc, (struct bioc_disk *)addr); 690 break; 691 692 case BIOCALARM: 693 error = arc_bio_alarm(sc, (struct bioc_alarm *)addr); 694 break; 695 696 case BIOCSETSTATE: 697 error = arc_bio_setstate(sc, (struct bioc_setstate *)addr); 698 break; 699 700 case BIOCVOLOPS: 701 error = arc_bio_volops(sc, (struct bioc_volops *)addr); 702 break; 703 704 default: 705 error = ENOTTY; 706 break; 707 } 708 709 return error; 710 } 711 712 static int 713 arc_fw_parse_status_code(struct arc_softc *sc, uint8_t *reply) 714 { 715 switch (*reply) { 716 case ARC_FW_CMD_RAIDINVAL: 717 printf("%s: firmware error (invalid raid set)\n", 718 device_xname(sc->sc_dev)); 719 return EINVAL; 720 case ARC_FW_CMD_VOLINVAL: 721 printf("%s: firmware error (invalid volume set)\n", 722 device_xname(sc->sc_dev)); 723 return EINVAL; 724 case ARC_FW_CMD_NORAID: 725 printf("%s: firmware error (unexistent raid set)\n", 726 device_xname(sc->sc_dev)); 727 return ENODEV; 728 case ARC_FW_CMD_NOVOLUME: 729 printf("%s: firmware error (unexistent volume set)\n", 730 device_xname(sc->sc_dev)); 731 return ENODEV; 732 case ARC_FW_CMD_NOPHYSDRV: 733 printf("%s: firmware error (unexistent physical drive)\n", 734 device_xname(sc->sc_dev)); 735 return ENODEV; 736 case ARC_FW_CMD_PARAM_ERR: 737 printf("%s: firmware error (parameter error)\n", 738 device_xname(sc->sc_dev)); 739 return EINVAL; 740 case ARC_FW_CMD_UNSUPPORTED: 741 printf("%s: firmware error (unsupported command)\n", 742 device_xname(sc->sc_dev)); 743 return EOPNOTSUPP; 744 case ARC_FW_CMD_DISKCFG_CHGD: 745 printf("%s: firmware error (disk configuration changed)\n", 746 device_xname(sc->sc_dev)); 747 return EINVAL; 748 case ARC_FW_CMD_PASS_INVAL: 749 printf("%s: firmware error (invalid password)\n", 750 device_xname(sc->sc_dev)); 751 return EINVAL; 752 case ARC_FW_CMD_NODISKSPACE: 753 printf("%s: firmware error (no disk space available)\n", 754 device_xname(sc->sc_dev)); 755 return EOPNOTSUPP; 756 case ARC_FW_CMD_CHECKSUM_ERR: 757 printf("%s: firmware error (checksum error)\n", 758 device_xname(sc->sc_dev)); 759 return EINVAL; 760 case ARC_FW_CMD_PASS_REQD: 761 printf("%s: firmware error (password required)\n", 762 device_xname(sc->sc_dev)); 763 return EPERM; 764 case ARC_FW_CMD_OK: 765 default: 766 return 0; 767 } 768 } 769 770 static int 771 arc_bio_alarm(struct arc_softc *sc, struct bioc_alarm *ba) 772 { 773 uint8_t request[2], reply[1]; 774 size_t len; 775 int error = 0; 776 777 switch (ba->ba_opcode) { 778 case BIOC_SAENABLE: 779 case BIOC_SADISABLE: 780 request[0] = ARC_FW_SET_ALARM; 781 request[1] = (ba->ba_opcode == BIOC_SAENABLE) ? 782 ARC_FW_SET_ALARM_ENABLE : ARC_FW_SET_ALARM_DISABLE; 783 len = sizeof(request); 784 785 break; 786 787 case BIOC_SASILENCE: 788 request[0] = ARC_FW_MUTE_ALARM; 789 len = 1; 790 791 break; 792 793 case BIOC_GASTATUS: 794 /* system info is too big/ugly to deal with here */ 795 return arc_bio_alarm_state(sc, ba); 796 797 default: 798 return EOPNOTSUPP; 799 } 800 801 error = arc_msgbuf(sc, request, len, reply, sizeof(reply)); 802 if (error != 0) 803 return error; 804 805 return arc_fw_parse_status_code(sc, &reply[0]); 806 } 807 808 static int 809 arc_bio_alarm_state(struct arc_softc *sc, struct bioc_alarm *ba) 810 { 811 struct arc_fw_sysinfo *sysinfo; 812 uint8_t request; 813 int error = 0; 814 815 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP); 816 817 request = ARC_FW_SYSINFO; 818 error = arc_msgbuf(sc, &request, sizeof(request), 819 sysinfo, sizeof(struct arc_fw_sysinfo)); 820 821 if (error != 0) 822 goto out; 823 824 ba->ba_status = sysinfo->alarm; 825 826 out: 827 kmem_free(sysinfo, sizeof(*sysinfo)); 828 return error; 829 } 830 831 static int 832 arc_bio_volops(struct arc_softc *sc, struct bioc_volops *bc) 833 { 834 /* to create a raid set */ 835 struct req_craidset { 836 uint8_t cmdcode; 837 uint32_t devmask; 838 uint8_t raidset_name[16]; 839 } __packed; 840 841 /* to create a volume set */ 842 struct req_cvolset { 843 uint8_t cmdcode; 844 uint8_t raidset; 845 uint8_t volset_name[16]; 846 uint64_t capacity; 847 uint8_t raidlevel; 848 uint8_t stripe; 849 uint8_t scsi_chan; 850 uint8_t scsi_target; 851 uint8_t scsi_lun; 852 uint8_t tagqueue; 853 uint8_t cache; 854 uint8_t speed; 855 uint8_t quick_init; 856 } __packed; 857 858 struct scsibus_softc *scsibus_sc = NULL; 859 struct req_craidset req_craidset; 860 struct req_cvolset req_cvolset; 861 uint8_t request[2]; 862 uint8_t reply[1]; 863 int error = 0; 864 865 switch (bc->bc_opcode) { 866 case BIOC_VCREATE_VOLUME: 867 { 868 /* 869 * Zero out the structs so that we use some defaults 870 * in raid and volume sets. 871 */ 872 memset(&req_craidset, 0, sizeof(req_craidset)); 873 memset(&req_cvolset, 0, sizeof(req_cvolset)); 874 875 /* 876 * Firstly we have to create the raid set and 877 * use the default name for all them. 878 */ 879 req_craidset.cmdcode = ARC_FW_CREATE_RAIDSET; 880 req_craidset.devmask = bc->bc_devmask; 881 error = arc_msgbuf(sc, &req_craidset, sizeof(req_craidset), 882 reply, sizeof(reply)); 883 if (error != 0) 884 return error; 885 886 error = arc_fw_parse_status_code(sc, &reply[0]); 887 if (error) { 888 printf("%s: create raidset%d failed\n", 889 device_xname(sc->sc_dev), bc->bc_volid); 890 return error; 891 } 892 893 /* 894 * At this point the raid set was created, so it's 895 * time to create the volume set. 896 */ 897 req_cvolset.cmdcode = ARC_FW_CREATE_VOLUME; 898 req_cvolset.raidset = bc->bc_volid; 899 req_cvolset.capacity = bc->bc_size * ARC_BLOCKSIZE; 900 901 /* 902 * Set the RAID level. 903 */ 904 switch (bc->bc_level) { 905 case 0: 906 case 1: 907 req_cvolset.raidlevel = bc->bc_level; 908 break; 909 case BIOC_SVOL_RAID10: 910 req_cvolset.raidlevel = 1; 911 break; 912 case 3: 913 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_3; 914 break; 915 case 5: 916 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_5; 917 break; 918 case 6: 919 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_6; 920 break; 921 default: 922 return EOPNOTSUPP; 923 } 924 925 /* 926 * Set the stripe size. 927 */ 928 switch (bc->bc_stripe) { 929 case 4: 930 req_cvolset.stripe = 0; 931 break; 932 case 8: 933 req_cvolset.stripe = 1; 934 break; 935 case 16: 936 req_cvolset.stripe = 2; 937 break; 938 case 32: 939 req_cvolset.stripe = 3; 940 break; 941 case 64: 942 req_cvolset.stripe = 4; 943 break; 944 case 128: 945 req_cvolset.stripe = 5; 946 break; 947 default: 948 req_cvolset.stripe = 4; /* by default 64K */ 949 break; 950 } 951 952 req_cvolset.scsi_chan = bc->bc_channel; 953 req_cvolset.scsi_target = bc->bc_target; 954 req_cvolset.scsi_lun = bc->bc_lun; 955 req_cvolset.tagqueue = 1; /* always enabled */ 956 req_cvolset.cache = 1; /* always enabled */ 957 req_cvolset.speed = 4; /* always max speed */ 958 959 /* RAID 1 and 1+0 levels need foreground initialization */ 960 if (bc->bc_level == 1 || bc->bc_level == BIOC_SVOL_RAID10) 961 req_cvolset.quick_init = 1; /* foreground init */ 962 963 error = arc_msgbuf(sc, &req_cvolset, sizeof(req_cvolset), 964 reply, sizeof(reply)); 965 if (error != 0) 966 return error; 967 968 error = arc_fw_parse_status_code(sc, &reply[0]); 969 if (error) { 970 printf("%s: create volumeset%d failed\n", 971 device_xname(sc->sc_dev), bc->bc_volid); 972 return error; 973 } 974 975 /* 976 * If we are creating a RAID 1 or RAID 1+0 volume, 977 * the volume will be created immediately but it won't 978 * be available until the initialization is done... so 979 * don't bother attaching the sd(4) device. 980 */ 981 if (bc->bc_level == 1 || bc->bc_level == BIOC_SVOL_RAID10) 982 break; 983 984 /* 985 * Do a rescan on the bus to attach the device associated 986 * with the new volume. 987 */ 988 scsibus_sc = device_private(sc->sc_scsibus_dv); 989 (void)scsi_probe_bus(scsibus_sc, bc->bc_target, bc->bc_lun); 990 991 break; 992 } 993 case BIOC_VREMOVE_VOLUME: 994 { 995 /* 996 * Remove the volume set specified in bc_volid. 997 */ 998 request[0] = ARC_FW_DELETE_VOLUME; 999 request[1] = bc->bc_volid; 1000 error = arc_msgbuf(sc, request, sizeof(request), 1001 reply, sizeof(reply)); 1002 if (error != 0) 1003 return error; 1004 1005 error = arc_fw_parse_status_code(sc, &reply[0]); 1006 if (error) { 1007 printf("%s: delete volumeset%d failed\n", 1008 device_xname(sc->sc_dev), bc->bc_volid); 1009 return error; 1010 } 1011 1012 /* 1013 * Detach the sd(4) device associated with the volume, 1014 * but if there's an error don't make it a priority. 1015 */ 1016 error = scsipi_target_detach(&sc->sc_chan, bc->bc_target, 1017 bc->bc_lun, 0); 1018 if (error) 1019 printf("%s: couldn't detach sd device for volume %d " 1020 "at %u:%u.%u (error=%d)\n", 1021 device_xname(sc->sc_dev), bc->bc_volid, 1022 bc->bc_channel, bc->bc_target, bc->bc_lun, error); 1023 1024 /* 1025 * and remove the raid set specified in bc_volid, 1026 * we only care about volumes. 1027 */ 1028 request[0] = ARC_FW_DELETE_RAIDSET; 1029 request[1] = bc->bc_volid; 1030 error = arc_msgbuf(sc, request, sizeof(request), 1031 reply, sizeof(reply)); 1032 if (error != 0) 1033 return error; 1034 1035 error = arc_fw_parse_status_code(sc, &reply[0]); 1036 if (error) { 1037 printf("%s: delete raidset%d failed\n", 1038 device_xname(sc->sc_dev), bc->bc_volid); 1039 return error; 1040 } 1041 1042 break; 1043 } 1044 default: 1045 return EOPNOTSUPP; 1046 } 1047 1048 return error; 1049 } 1050 1051 static int 1052 arc_bio_setstate(struct arc_softc *sc, struct bioc_setstate *bs) 1053 { 1054 /* for a hotspare disk */ 1055 struct request_hs { 1056 uint8_t cmdcode; 1057 uint32_t devmask; 1058 } __packed; 1059 1060 /* for a pass-through disk */ 1061 struct request_pt { 1062 uint8_t cmdcode; 1063 uint8_t devid; 1064 uint8_t scsi_chan; 1065 uint8_t scsi_id; 1066 uint8_t scsi_lun; 1067 uint8_t tagged_queue; 1068 uint8_t cache_mode; 1069 uint8_t max_speed; 1070 } __packed; 1071 1072 struct scsibus_softc *scsibus_sc = NULL; 1073 struct request_hs req_hs; /* to add/remove hotspare */ 1074 struct request_pt req_pt; /* to add a pass-through */ 1075 uint8_t req_gen[2]; 1076 uint8_t reply[1]; 1077 int error = 0; 1078 1079 switch (bs->bs_status) { 1080 case BIOC_SSHOTSPARE: 1081 { 1082 req_hs.cmdcode = ARC_FW_CREATE_HOTSPARE; 1083 req_hs.devmask = (1 << bs->bs_target); 1084 goto hotspare; 1085 } 1086 case BIOC_SSDELHOTSPARE: 1087 { 1088 req_hs.cmdcode = ARC_FW_DELETE_HOTSPARE; 1089 req_hs.devmask = (1 << bs->bs_target); 1090 goto hotspare; 1091 } 1092 case BIOC_SSPASSTHRU: 1093 { 1094 req_pt.cmdcode = ARC_FW_CREATE_PASSTHRU; 1095 req_pt.devid = bs->bs_other_id; /* this wants device# */ 1096 req_pt.scsi_chan = bs->bs_channel; 1097 req_pt.scsi_id = bs->bs_target; 1098 req_pt.scsi_lun = bs->bs_lun; 1099 req_pt.tagged_queue = 1; /* always enabled */ 1100 req_pt.cache_mode = 1; /* always enabled */ 1101 req_pt.max_speed = 4; /* always max speed */ 1102 1103 error = arc_msgbuf(sc, &req_pt, sizeof(req_pt), 1104 reply, sizeof(reply)); 1105 if (error != 0) 1106 return error; 1107 1108 /* 1109 * Do a rescan on the bus to attach the new device 1110 * associated with the pass-through disk. 1111 */ 1112 scsibus_sc = device_private(sc->sc_scsibus_dv); 1113 (void)scsi_probe_bus(scsibus_sc, bs->bs_target, bs->bs_lun); 1114 1115 goto out; 1116 } 1117 case BIOC_SSDELPASSTHRU: 1118 { 1119 req_gen[0] = ARC_FW_DELETE_PASSTHRU; 1120 req_gen[1] = bs->bs_target; 1121 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen), 1122 reply, sizeof(reply)); 1123 if (error != 0) 1124 return error; 1125 1126 /* 1127 * Detach the sd device associated with this pass-through disk. 1128 */ 1129 error = scsipi_target_detach(&sc->sc_chan, bs->bs_target, 1130 bs->bs_lun, 0); 1131 if (error) 1132 printf("%s: couldn't detach sd device for the " 1133 "pass-through disk at %u:%u.%u (error=%d)\n", 1134 device_xname(sc->sc_dev), 1135 bs->bs_channel, bs->bs_target, bs->bs_lun, error); 1136 1137 goto out; 1138 } 1139 case BIOC_SSCHECKSTART_VOL: 1140 { 1141 req_gen[0] = ARC_FW_START_CHECKVOL; 1142 req_gen[1] = bs->bs_volid; 1143 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen), 1144 reply, sizeof(reply)); 1145 if (error != 0) 1146 return error; 1147 1148 goto out; 1149 } 1150 case BIOC_SSCHECKSTOP_VOL: 1151 { 1152 uint8_t req = ARC_FW_STOP_CHECKVOL; 1153 error = arc_msgbuf(sc, &req, 1, reply, sizeof(reply)); 1154 if (error != 0) 1155 return error; 1156 1157 goto out; 1158 } 1159 default: 1160 return EOPNOTSUPP; 1161 } 1162 1163 hotspare: 1164 error = arc_msgbuf(sc, &req_hs, sizeof(req_hs), 1165 reply, sizeof(reply)); 1166 if (error != 0) 1167 return error; 1168 1169 out: 1170 return arc_fw_parse_status_code(sc, &reply[0]); 1171 } 1172 1173 static int 1174 arc_bio_inq(struct arc_softc *sc, struct bioc_inq *bi) 1175 { 1176 uint8_t request[2]; 1177 struct arc_fw_sysinfo *sysinfo = NULL; 1178 struct arc_fw_raidinfo *raidinfo; 1179 int nvols = 0, i; 1180 int error = 0; 1181 1182 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP); 1183 1184 if (!sc->sc_maxraidset || !sc->sc_maxvolset || !sc->sc_cchans) { 1185 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP); 1186 1187 request[0] = ARC_FW_SYSINFO; 1188 error = arc_msgbuf(sc, request, 1, sysinfo, 1189 sizeof(struct arc_fw_sysinfo)); 1190 if (error != 0) 1191 goto out; 1192 1193 sc->sc_maxraidset = sysinfo->max_raid_set; 1194 sc->sc_maxvolset = sysinfo->max_volume_set; 1195 sc->sc_cchans = sysinfo->ide_channels; 1196 } 1197 1198 request[0] = ARC_FW_RAIDINFO; 1199 for (i = 0; i < sc->sc_maxraidset; i++) { 1200 request[1] = i; 1201 error = arc_msgbuf(sc, request, sizeof(request), raidinfo, 1202 sizeof(struct arc_fw_raidinfo)); 1203 if (error != 0) 1204 goto out; 1205 1206 nvols += raidinfo->volumes; 1207 } 1208 1209 strlcpy(bi->bi_dev, device_xname(sc->sc_dev), sizeof(bi->bi_dev)); 1210 bi->bi_novol = nvols; 1211 bi->bi_nodisk = sc->sc_cchans; 1212 1213 out: 1214 if (sysinfo) 1215 kmem_free(sysinfo, sizeof(*sysinfo)); 1216 kmem_free(raidinfo, sizeof(*raidinfo)); 1217 return error; 1218 } 1219 1220 static int 1221 arc_bio_getvol(struct arc_softc *sc, int vol, struct arc_fw_volinfo *volinfo) 1222 { 1223 uint8_t request[2]; 1224 int error = 0; 1225 int nvols = 0, i; 1226 1227 request[0] = ARC_FW_VOLINFO; 1228 for (i = 0; i < sc->sc_maxvolset; i++) { 1229 request[1] = i; 1230 error = arc_msgbuf(sc, request, sizeof(request), volinfo, 1231 sizeof(struct arc_fw_volinfo)); 1232 if (error != 0) 1233 goto out; 1234 1235 if (volinfo->capacity == 0 && volinfo->capacity2 == 0) 1236 continue; 1237 1238 if (nvols == vol) 1239 break; 1240 1241 nvols++; 1242 } 1243 1244 if (nvols != vol || 1245 (volinfo->capacity == 0 && volinfo->capacity2 == 0)) { 1246 error = ENODEV; 1247 goto out; 1248 } 1249 1250 out: 1251 return error; 1252 } 1253 1254 static int 1255 arc_bio_vol(struct arc_softc *sc, struct bioc_vol *bv) 1256 { 1257 struct arc_fw_volinfo *volinfo; 1258 uint64_t blocks; 1259 uint32_t status; 1260 int error = 0; 1261 1262 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP); 1263 1264 error = arc_bio_getvol(sc, bv->bv_volid, volinfo); 1265 if (error != 0) 1266 goto out; 1267 1268 bv->bv_percent = -1; 1269 bv->bv_seconds = 0; 1270 1271 status = htole32(volinfo->volume_status); 1272 if (status == 0x0) { 1273 if (htole32(volinfo->fail_mask) == 0x0) 1274 bv->bv_status = BIOC_SVONLINE; 1275 else 1276 bv->bv_status = BIOC_SVDEGRADED; 1277 } else if (status & ARC_FW_VOL_STATUS_NEED_REGEN) { 1278 bv->bv_status = BIOC_SVDEGRADED; 1279 } else if (status & ARC_FW_VOL_STATUS_FAILED) { 1280 bv->bv_status = BIOC_SVOFFLINE; 1281 } else if (status & ARC_FW_VOL_STATUS_INITTING) { 1282 bv->bv_status = BIOC_SVBUILDING; 1283 bv->bv_percent = htole32(volinfo->progress); 1284 } else if (status & ARC_FW_VOL_STATUS_REBUILDING) { 1285 bv->bv_status = BIOC_SVREBUILD; 1286 bv->bv_percent = htole32(volinfo->progress); 1287 } else if (status & ARC_FW_VOL_STATUS_MIGRATING) { 1288 bv->bv_status = BIOC_SVMIGRATING; 1289 bv->bv_percent = htole32(volinfo->progress); 1290 } else if (status & ARC_FW_VOL_STATUS_CHECKING) { 1291 bv->bv_status = BIOC_SVCHECKING; 1292 bv->bv_percent = htole32(volinfo->progress); 1293 } else if (status & ARC_FW_VOL_STATUS_NEED_INIT) { 1294 bv->bv_status = BIOC_SVOFFLINE; 1295 } else { 1296 printf("%s: volume %d status 0x%x\n", 1297 device_xname(sc->sc_dev), bv->bv_volid, status); 1298 } 1299 1300 blocks = (uint64_t)htole32(volinfo->capacity2) << 32; 1301 blocks += (uint64_t)htole32(volinfo->capacity); 1302 bv->bv_size = blocks * ARC_BLOCKSIZE; /* XXX */ 1303 1304 switch (volinfo->raid_level) { 1305 case ARC_FW_VOL_RAIDLEVEL_0: 1306 bv->bv_level = 0; 1307 break; 1308 case ARC_FW_VOL_RAIDLEVEL_1: 1309 if (volinfo->member_disks > 2) 1310 bv->bv_level = BIOC_SVOL_RAID10; 1311 else 1312 bv->bv_level = 1; 1313 break; 1314 case ARC_FW_VOL_RAIDLEVEL_3: 1315 bv->bv_level = 3; 1316 break; 1317 case ARC_FW_VOL_RAIDLEVEL_5: 1318 bv->bv_level = 5; 1319 break; 1320 case ARC_FW_VOL_RAIDLEVEL_6: 1321 bv->bv_level = 6; 1322 break; 1323 case ARC_FW_VOL_RAIDLEVEL_PASSTHRU: 1324 bv->bv_level = BIOC_SVOL_PASSTHRU; 1325 break; 1326 default: 1327 bv->bv_level = -1; 1328 break; 1329 } 1330 1331 bv->bv_nodisk = volinfo->member_disks; 1332 bv->bv_stripe_size = volinfo->stripe_size / 2; 1333 snprintf(bv->bv_dev, sizeof(bv->bv_dev), "sd%d", bv->bv_volid); 1334 strnvisx(bv->bv_vendor, sizeof(bv->bv_vendor), volinfo->set_name, 1335 sizeof(volinfo->set_name), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 1336 1337 out: 1338 kmem_free(volinfo, sizeof(*volinfo)); 1339 return error; 1340 } 1341 1342 static int 1343 arc_bio_disk_novol(struct arc_softc *sc, struct bioc_disk *bd) 1344 { 1345 struct arc_fw_diskinfo *diskinfo; 1346 uint8_t request[2]; 1347 int error = 0; 1348 1349 diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP); 1350 1351 if (bd->bd_diskid >= sc->sc_cchans) { 1352 error = ENODEV; 1353 goto out; 1354 } 1355 1356 request[0] = ARC_FW_DISKINFO; 1357 request[1] = bd->bd_diskid; 1358 error = arc_msgbuf(sc, request, sizeof(request), 1359 diskinfo, sizeof(struct arc_fw_diskinfo)); 1360 if (error != 0) 1361 goto out; 1362 1363 /* skip disks with no capacity */ 1364 if (htole32(diskinfo->capacity) == 0 && 1365 htole32(diskinfo->capacity2) == 0) 1366 goto out; 1367 1368 bd->bd_disknovol = true; 1369 arc_bio_disk_filldata(sc, bd, diskinfo, bd->bd_diskid); 1370 1371 out: 1372 kmem_free(diskinfo, sizeof(*diskinfo)); 1373 return error; 1374 } 1375 1376 static void 1377 arc_bio_disk_filldata(struct arc_softc *sc, struct bioc_disk *bd, 1378 struct arc_fw_diskinfo *diskinfo, int diskid) 1379 { 1380 uint64_t blocks; 1381 char model[81]; 1382 char serial[41]; 1383 char rev[17]; 1384 1385 /* Ignore bit zero for now, we don't know what it means */ 1386 diskinfo->device_state &= ~0x1; 1387 1388 switch (diskinfo->device_state) { 1389 case ARC_FW_DISK_FAILED: 1390 bd->bd_status = BIOC_SDFAILED; 1391 break; 1392 case ARC_FW_DISK_PASSTHRU: 1393 bd->bd_status = BIOC_SDPASSTHRU; 1394 break; 1395 case ARC_FW_DISK_NORMAL: 1396 bd->bd_status = BIOC_SDONLINE; 1397 break; 1398 case ARC_FW_DISK_HOTSPARE: 1399 bd->bd_status = BIOC_SDHOTSPARE; 1400 break; 1401 case ARC_FW_DISK_UNUSED: 1402 bd->bd_status = BIOC_SDUNUSED; 1403 break; 1404 case 0: 1405 /* disk has been disconnected */ 1406 bd->bd_status = BIOC_SDOFFLINE; 1407 bd->bd_channel = 1; 1408 bd->bd_target = 0; 1409 bd->bd_lun = 0; 1410 strlcpy(bd->bd_vendor, "disk missing", sizeof(bd->bd_vendor)); 1411 break; 1412 default: 1413 printf("%s: unknown disk device_state: 0x%x\n", __func__, 1414 diskinfo->device_state); 1415 bd->bd_status = BIOC_SDINVALID; 1416 return; 1417 } 1418 1419 blocks = (uint64_t)htole32(diskinfo->capacity2) << 32; 1420 blocks += (uint64_t)htole32(diskinfo->capacity); 1421 bd->bd_size = blocks * ARC_BLOCKSIZE; /* XXX */ 1422 1423 strnvisx(model, sizeof(model), diskinfo->model, 1424 sizeof(diskinfo->model), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 1425 strnvisx(serial, sizeof(serial), diskinfo->serial, 1426 sizeof(diskinfo->serial), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 1427 strnvisx(rev, sizeof(rev), diskinfo->firmware_rev, 1428 sizeof(diskinfo->firmware_rev), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 1429 1430 snprintf(bd->bd_vendor, sizeof(bd->bd_vendor), "%s %s", model, rev); 1431 strlcpy(bd->bd_serial, serial, sizeof(bd->bd_serial)); 1432 1433 #if 0 1434 bd->bd_channel = diskinfo->scsi_attr.channel; 1435 bd->bd_target = diskinfo->scsi_attr.target; 1436 bd->bd_lun = diskinfo->scsi_attr.lun; 1437 #endif 1438 1439 /* 1440 * the firwmare doesnt seem to fill scsi_attr in, so fake it with 1441 * the diskid. 1442 */ 1443 bd->bd_channel = 0; 1444 bd->bd_target = diskid; 1445 bd->bd_lun = 0; 1446 } 1447 1448 static int 1449 arc_bio_disk_volume(struct arc_softc *sc, struct bioc_disk *bd) 1450 { 1451 struct arc_fw_raidinfo *raidinfo; 1452 struct arc_fw_volinfo *volinfo; 1453 struct arc_fw_diskinfo *diskinfo; 1454 uint8_t request[2]; 1455 int error = 0; 1456 1457 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP); 1458 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP); 1459 diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP); 1460 1461 error = arc_bio_getvol(sc, bd->bd_volid, volinfo); 1462 if (error != 0) 1463 goto out; 1464 1465 request[0] = ARC_FW_RAIDINFO; 1466 request[1] = volinfo->raid_set_number; 1467 1468 error = arc_msgbuf(sc, request, sizeof(request), raidinfo, 1469 sizeof(struct arc_fw_raidinfo)); 1470 if (error != 0) 1471 goto out; 1472 1473 if (bd->bd_diskid >= sc->sc_cchans || 1474 bd->bd_diskid >= raidinfo->member_devices) { 1475 error = ENODEV; 1476 goto out; 1477 } 1478 1479 if (raidinfo->device_array[bd->bd_diskid] == 0xff) { 1480 /* 1481 * The disk has been disconnected, mark it offline 1482 * and put it on another bus. 1483 */ 1484 bd->bd_channel = 1; 1485 bd->bd_target = 0; 1486 bd->bd_lun = 0; 1487 bd->bd_status = BIOC_SDOFFLINE; 1488 strlcpy(bd->bd_vendor, "disk missing", sizeof(bd->bd_vendor)); 1489 goto out; 1490 } 1491 1492 request[0] = ARC_FW_DISKINFO; 1493 request[1] = raidinfo->device_array[bd->bd_diskid]; 1494 error = arc_msgbuf(sc, request, sizeof(request), diskinfo, 1495 sizeof(struct arc_fw_diskinfo)); 1496 if (error != 0) 1497 goto out; 1498 1499 /* now fill our bio disk with data from the firmware */ 1500 arc_bio_disk_filldata(sc, bd, diskinfo, 1501 raidinfo->device_array[bd->bd_diskid]); 1502 1503 out: 1504 kmem_free(raidinfo, sizeof(*raidinfo)); 1505 kmem_free(volinfo, sizeof(*volinfo)); 1506 kmem_free(diskinfo, sizeof(*diskinfo)); 1507 return error; 1508 } 1509 #endif /* NBIO > 0 */ 1510 1511 uint8_t 1512 arc_msg_cksum(void *cmd, uint16_t len) 1513 { 1514 uint8_t *buf = cmd; 1515 uint8_t cksum; 1516 int i; 1517 1518 cksum = (uint8_t)(len >> 8) + (uint8_t)len; 1519 for (i = 0; i < len; i++) 1520 cksum += buf[i]; 1521 1522 return cksum; 1523 } 1524 1525 1526 int 1527 arc_msgbuf(struct arc_softc *sc, void *wptr, size_t wbuflen, void *rptr, 1528 size_t rbuflen) 1529 { 1530 uint8_t rwbuf[ARC_REG_IOC_RWBUF_MAXLEN]; 1531 uint8_t *wbuf, *rbuf; 1532 int wlen, wdone = 0, rlen, rdone = 0; 1533 struct arc_fw_bufhdr *bufhdr; 1534 uint32_t reg, rwlen; 1535 int error = 0; 1536 #ifdef ARC_DEBUG 1537 int i; 1538 #endif 1539 1540 wbuf = rbuf = NULL; 1541 1542 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wbuflen: %d rbuflen: %d\n", 1543 device_xname(sc->sc_dev), wbuflen, rbuflen); 1544 1545 wlen = sizeof(struct arc_fw_bufhdr) + wbuflen + 1; /* 1 for cksum */ 1546 wbuf = kmem_alloc(wlen, KM_SLEEP); 1547 1548 rlen = sizeof(struct arc_fw_bufhdr) + rbuflen + 1; /* 1 for cksum */ 1549 rbuf = kmem_alloc(rlen, KM_SLEEP); 1550 1551 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wlen: %d rlen: %d\n", 1552 device_xname(sc->sc_dev), wlen, rlen); 1553 1554 bufhdr = (struct arc_fw_bufhdr *)wbuf; 1555 bufhdr->hdr = arc_fw_hdr; 1556 bufhdr->len = htole16(wbuflen); 1557 memcpy(wbuf + sizeof(struct arc_fw_bufhdr), wptr, wbuflen); 1558 wbuf[wlen - 1] = arc_msg_cksum(wptr, wbuflen); 1559 1560 arc_lock(sc); 1561 if (arc_read(sc, ARC_REG_OUTB_DOORBELL) != 0) { 1562 error = EBUSY; 1563 goto out; 1564 } 1565 1566 reg = ARC_REG_OUTB_DOORBELL_READ_OK; 1567 1568 do { 1569 if ((reg & ARC_REG_OUTB_DOORBELL_READ_OK) && wdone < wlen) { 1570 memset(rwbuf, 0, sizeof(rwbuf)); 1571 rwlen = (wlen - wdone) % sizeof(rwbuf); 1572 memcpy(rwbuf, &wbuf[wdone], rwlen); 1573 1574 #ifdef ARC_DEBUG 1575 if (arcdebug & ARC_D_DB) { 1576 printf("%s: write %d:", 1577 device_xname(sc->sc_dev), rwlen); 1578 for (i = 0; i < rwlen; i++) 1579 printf(" 0x%02x", rwbuf[i]); 1580 printf("\n"); 1581 } 1582 #endif 1583 1584 /* copy the chunk to the hw */ 1585 arc_write(sc, ARC_REG_IOC_WBUF_LEN, rwlen); 1586 arc_write_region(sc, ARC_REG_IOC_WBUF, rwbuf, 1587 sizeof(rwbuf)); 1588 1589 /* say we have a buffer for the hw */ 1590 arc_write(sc, ARC_REG_INB_DOORBELL, 1591 ARC_REG_INB_DOORBELL_WRITE_OK); 1592 1593 wdone += rwlen; 1594 } 1595 1596 while ((reg = arc_read(sc, ARC_REG_OUTB_DOORBELL)) == 0) 1597 arc_wait(sc); 1598 1599 arc_write(sc, ARC_REG_OUTB_DOORBELL, reg); 1600 1601 DNPRINTF(ARC_D_DB, "%s: reg: 0x%08x\n", 1602 device_xname(sc->sc_dev), reg); 1603 1604 if ((reg & ARC_REG_OUTB_DOORBELL_WRITE_OK) && rdone < rlen) { 1605 rwlen = arc_read(sc, ARC_REG_IOC_RBUF_LEN); 1606 if (rwlen > sizeof(rwbuf)) { 1607 DNPRINTF(ARC_D_DB, "%s: rwlen too big\n", 1608 device_xname(sc->sc_dev)); 1609 error = EIO; 1610 goto out; 1611 } 1612 1613 arc_read_region(sc, ARC_REG_IOC_RBUF, rwbuf, 1614 sizeof(rwbuf)); 1615 1616 arc_write(sc, ARC_REG_INB_DOORBELL, 1617 ARC_REG_INB_DOORBELL_READ_OK); 1618 1619 #ifdef ARC_DEBUG 1620 printf("%s: len: %d+%d=%d/%d\n", 1621 device_xname(sc->sc_dev), 1622 rwlen, rdone, rwlen + rdone, rlen); 1623 if (arcdebug & ARC_D_DB) { 1624 printf("%s: read:", 1625 device_xname(sc->sc_dev)); 1626 for (i = 0; i < rwlen; i++) 1627 printf(" 0x%02x", rwbuf[i]); 1628 printf("\n"); 1629 } 1630 #endif 1631 1632 if ((rdone + rwlen) > rlen) { 1633 DNPRINTF(ARC_D_DB, "%s: rwbuf too big\n", 1634 device_xname(sc->sc_dev)); 1635 error = EIO; 1636 goto out; 1637 } 1638 1639 memcpy(&rbuf[rdone], rwbuf, rwlen); 1640 rdone += rwlen; 1641 } 1642 } while (rdone != rlen); 1643 1644 bufhdr = (struct arc_fw_bufhdr *)rbuf; 1645 if (memcmp(&bufhdr->hdr, &arc_fw_hdr, sizeof(bufhdr->hdr)) != 0 || 1646 bufhdr->len != htole16(rbuflen)) { 1647 DNPRINTF(ARC_D_DB, "%s: rbuf hdr is wrong\n", 1648 device_xname(sc->sc_dev)); 1649 error = EIO; 1650 goto out; 1651 } 1652 1653 memcpy(rptr, rbuf + sizeof(struct arc_fw_bufhdr), rbuflen); 1654 1655 if (rbuf[rlen - 1] != arc_msg_cksum(rptr, rbuflen)) { 1656 DNPRINTF(ARC_D_DB, "%s: invalid cksum\n", 1657 device_xname(sc->sc_dev)); 1658 error = EIO; 1659 goto out; 1660 } 1661 1662 out: 1663 arc_unlock(sc); 1664 kmem_free(wbuf, wlen); 1665 kmem_free(rbuf, rlen); 1666 1667 return error; 1668 } 1669 1670 void 1671 arc_lock(struct arc_softc *sc) 1672 { 1673 rw_enter(&sc->sc_rwlock, RW_WRITER); 1674 mutex_spin_enter(&sc->sc_mutex); 1675 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE); 1676 sc->sc_talking = 1; 1677 } 1678 1679 void 1680 arc_unlock(struct arc_softc *sc) 1681 { 1682 KASSERT(mutex_owned(&sc->sc_mutex)); 1683 1684 arc_write(sc, ARC_REG_INTRMASK, 1685 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL)); 1686 sc->sc_talking = 0; 1687 mutex_spin_exit(&sc->sc_mutex); 1688 rw_exit(&sc->sc_rwlock); 1689 } 1690 1691 void 1692 arc_wait(struct arc_softc *sc) 1693 { 1694 KASSERT(mutex_owned(&sc->sc_mutex)); 1695 1696 arc_write(sc, ARC_REG_INTRMASK, 1697 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL)); 1698 if (cv_timedwait(&sc->sc_condvar, &sc->sc_mutex, hz) == EWOULDBLOCK) 1699 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE); 1700 } 1701 1702 #if NBIO > 0 1703 static void 1704 arc_create_sensors(void *arg) 1705 { 1706 struct arc_softc *sc = arg; 1707 struct bioc_inq bi; 1708 struct bioc_vol bv; 1709 int i, j; 1710 size_t slen, count = 0; 1711 1712 memset(&bi, 0, sizeof(bi)); 1713 if (arc_bio_inq(sc, &bi) != 0) { 1714 aprint_error("%s: unable to query firmware for sensor info\n", 1715 device_xname(sc->sc_dev)); 1716 kthread_exit(0); 1717 } 1718 1719 /* There's no point to continue if there are no volumes */ 1720 if (!bi.bi_novol) 1721 kthread_exit(0); 1722 1723 for (i = 0; i < bi.bi_novol; i++) { 1724 memset(&bv, 0, sizeof(bv)); 1725 bv.bv_volid = i; 1726 if (arc_bio_vol(sc, &bv) != 0) 1727 kthread_exit(0); 1728 1729 /* Skip passthrough volumes */ 1730 if (bv.bv_level == BIOC_SVOL_PASSTHRU) 1731 continue; 1732 1733 /* new volume found */ 1734 sc->sc_nsensors++; 1735 /* new disk in a volume found */ 1736 sc->sc_nsensors+= bv.bv_nodisk; 1737 } 1738 1739 /* No valid volumes */ 1740 if (!sc->sc_nsensors) 1741 kthread_exit(0); 1742 1743 sc->sc_sme = sysmon_envsys_create(); 1744 slen = sizeof(arc_edata_t) * sc->sc_nsensors; 1745 sc->sc_arc_sensors = kmem_zalloc(slen, KM_SLEEP); 1746 1747 /* Attach sensors for volumes and disks */ 1748 for (i = 0; i < bi.bi_novol; i++) { 1749 memset(&bv, 0, sizeof(bv)); 1750 bv.bv_volid = i; 1751 if (arc_bio_vol(sc, &bv) != 0) 1752 goto bad; 1753 1754 sc->sc_arc_sensors[count].arc_sensor.units = ENVSYS_DRIVE; 1755 sc->sc_arc_sensors[count].arc_sensor.state = ENVSYS_SINVALID; 1756 sc->sc_arc_sensors[count].arc_sensor.value_cur = 1757 ENVSYS_DRIVE_EMPTY; 1758 sc->sc_arc_sensors[count].arc_sensor.flags = 1759 ENVSYS_FMONSTCHANGED; 1760 1761 /* Skip passthrough volumes */ 1762 if (bv.bv_level == BIOC_SVOL_PASSTHRU) 1763 continue; 1764 1765 if (bv.bv_level == BIOC_SVOL_RAID10) 1766 snprintf(sc->sc_arc_sensors[count].arc_sensor.desc, 1767 sizeof(sc->sc_arc_sensors[count].arc_sensor.desc), 1768 "RAID 1+0 volume%d (%s)", i, bv.bv_dev); 1769 else 1770 snprintf(sc->sc_arc_sensors[count].arc_sensor.desc, 1771 sizeof(sc->sc_arc_sensors[count].arc_sensor.desc), 1772 "RAID %d volume%d (%s)", bv.bv_level, i, 1773 bv.bv_dev); 1774 1775 sc->sc_arc_sensors[count].arc_volid = i; 1776 1777 if (sysmon_envsys_sensor_attach(sc->sc_sme, 1778 &sc->sc_arc_sensors[count].arc_sensor)) 1779 goto bad; 1780 1781 count++; 1782 1783 /* Attach disk sensors for this volume */ 1784 for (j = 0; j < bv.bv_nodisk; j++) { 1785 sc->sc_arc_sensors[count].arc_sensor.state = 1786 ENVSYS_SINVALID; 1787 sc->sc_arc_sensors[count].arc_sensor.units = 1788 ENVSYS_DRIVE; 1789 sc->sc_arc_sensors[count].arc_sensor.value_cur = 1790 ENVSYS_DRIVE_EMPTY; 1791 sc->sc_arc_sensors[count].arc_sensor.flags = 1792 ENVSYS_FMONSTCHANGED; 1793 1794 snprintf(sc->sc_arc_sensors[count].arc_sensor.desc, 1795 sizeof(sc->sc_arc_sensors[count].arc_sensor.desc), 1796 "disk%d volume%d (%s)", j, i, bv.bv_dev); 1797 sc->sc_arc_sensors[count].arc_volid = i; 1798 sc->sc_arc_sensors[count].arc_diskid = j + 10; 1799 1800 if (sysmon_envsys_sensor_attach(sc->sc_sme, 1801 &sc->sc_arc_sensors[count].arc_sensor)) 1802 goto bad; 1803 1804 count++; 1805 } 1806 } 1807 1808 /* 1809 * Register our envsys driver with the framework now that the 1810 * sensors were all attached. 1811 */ 1812 sc->sc_sme->sme_name = device_xname(sc->sc_dev); 1813 sc->sc_sme->sme_cookie = sc; 1814 sc->sc_sme->sme_refresh = arc_refresh_sensors; 1815 1816 if (sysmon_envsys_register(sc->sc_sme)) { 1817 aprint_debug("%s: unable to register with sysmon\n", 1818 device_xname(sc->sc_dev)); 1819 goto bad; 1820 } 1821 kthread_exit(0); 1822 1823 bad: 1824 sysmon_envsys_destroy(sc->sc_sme); 1825 kmem_free(sc->sc_arc_sensors, slen); 1826 1827 sc->sc_sme = NULL; 1828 sc->sc_arc_sensors = NULL; 1829 1830 kthread_exit(0); 1831 } 1832 1833 static void 1834 arc_refresh_sensors(struct sysmon_envsys *sme, envsys_data_t *edata) 1835 { 1836 struct arc_softc *sc = sme->sme_cookie; 1837 struct bioc_vol bv; 1838 struct bioc_disk bd; 1839 arc_edata_t *arcdata = (arc_edata_t *)edata; 1840 1841 /* sanity check */ 1842 if (edata->units != ENVSYS_DRIVE) 1843 return; 1844 1845 memset(&bv, 0, sizeof(bv)); 1846 bv.bv_volid = arcdata->arc_volid; 1847 1848 if (arc_bio_vol(sc, &bv)) { 1849 bv.bv_status = BIOC_SVINVALID; 1850 bio_vol_to_envsys(edata, &bv); 1851 return; 1852 } 1853 1854 if (arcdata->arc_diskid) { 1855 /* Current sensor is handling a disk volume member */ 1856 memset(&bd, 0, sizeof(bd)); 1857 bd.bd_volid = arcdata->arc_volid; 1858 bd.bd_diskid = arcdata->arc_diskid - 10; 1859 1860 if (arc_bio_disk_volume(sc, &bd)) 1861 bd.bd_status = BIOC_SDOFFLINE; 1862 bio_disk_to_envsys(edata, &bd); 1863 } else { 1864 /* Current sensor is handling a volume */ 1865 bio_vol_to_envsys(edata, &bv); 1866 } 1867 } 1868 #endif /* NBIO > 0 */ 1869 1870 uint32_t 1871 arc_read(struct arc_softc *sc, bus_size_t r) 1872 { 1873 uint32_t v; 1874 1875 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, 1876 BUS_SPACE_BARRIER_READ); 1877 v = bus_space_read_4(sc->sc_iot, sc->sc_ioh, r); 1878 1879 DNPRINTF(ARC_D_RW, "%s: arc_read 0x%lx 0x%08x\n", 1880 device_xname(sc->sc_dev), r, v); 1881 1882 return v; 1883 } 1884 1885 void 1886 arc_read_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len) 1887 { 1888 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len, 1889 BUS_SPACE_BARRIER_READ); 1890 bus_space_read_region_4(sc->sc_iot, sc->sc_ioh, r, 1891 (uint32_t *)buf, len >> 2); 1892 } 1893 1894 void 1895 arc_write(struct arc_softc *sc, bus_size_t r, uint32_t v) 1896 { 1897 DNPRINTF(ARC_D_RW, "%s: arc_write 0x%lx 0x%08x\n", 1898 device_xname(sc->sc_dev), r, v); 1899 1900 bus_space_write_4(sc->sc_iot, sc->sc_ioh, r, v); 1901 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, 1902 BUS_SPACE_BARRIER_WRITE); 1903 } 1904 1905 void 1906 arc_write_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len) 1907 { 1908 bus_space_write_region_4(sc->sc_iot, sc->sc_ioh, r, 1909 (const uint32_t *)buf, len >> 2); 1910 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len, 1911 BUS_SPACE_BARRIER_WRITE); 1912 } 1913 1914 int 1915 arc_wait_eq(struct arc_softc *sc, bus_size_t r, uint32_t mask, 1916 uint32_t target) 1917 { 1918 int i; 1919 1920 DNPRINTF(ARC_D_RW, "%s: arc_wait_eq 0x%lx 0x%08x 0x%08x\n", 1921 device_xname(sc->sc_dev), r, mask, target); 1922 1923 for (i = 0; i < 10000; i++) { 1924 if ((arc_read(sc, r) & mask) == target) 1925 return 0; 1926 delay(1000); 1927 } 1928 1929 return 1; 1930 } 1931 1932 int 1933 arc_wait_ne(struct arc_softc *sc, bus_size_t r, uint32_t mask, 1934 uint32_t target) 1935 { 1936 int i; 1937 1938 DNPRINTF(ARC_D_RW, "%s: arc_wait_ne 0x%lx 0x%08x 0x%08x\n", 1939 device_xname(sc->sc_dev), r, mask, target); 1940 1941 for (i = 0; i < 10000; i++) { 1942 if ((arc_read(sc, r) & mask) != target) 1943 return 0; 1944 delay(1000); 1945 } 1946 1947 return 1; 1948 } 1949 1950 int 1951 arc_msg0(struct arc_softc *sc, uint32_t m) 1952 { 1953 /* post message */ 1954 arc_write(sc, ARC_REG_INB_MSG0, m); 1955 /* wait for the fw to do it */ 1956 if (arc_wait_eq(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0, 1957 ARC_REG_INTRSTAT_MSG0) != 0) 1958 return 1; 1959 1960 /* ack it */ 1961 arc_write(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0); 1962 1963 return 0; 1964 } 1965 1966 struct arc_dmamem * 1967 arc_dmamem_alloc(struct arc_softc *sc, size_t size) 1968 { 1969 struct arc_dmamem *adm; 1970 int nsegs; 1971 1972 adm = kmem_zalloc(sizeof(*adm), KM_NOSLEEP); 1973 if (adm == NULL) 1974 return NULL; 1975 1976 adm->adm_size = size; 1977 1978 if (bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 1979 BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW, &adm->adm_map) != 0) 1980 goto admfree; 1981 1982 if (bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &adm->adm_seg, 1983 1, &nsegs, BUS_DMA_NOWAIT) != 0) 1984 goto destroy; 1985 1986 if (bus_dmamem_map(sc->sc_dmat, &adm->adm_seg, nsegs, size, 1987 &adm->adm_kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT) != 0) 1988 goto free; 1989 1990 if (bus_dmamap_load(sc->sc_dmat, adm->adm_map, adm->adm_kva, size, 1991 NULL, BUS_DMA_NOWAIT) != 0) 1992 goto unmap; 1993 1994 memset(adm->adm_kva, 0, size); 1995 1996 return adm; 1997 1998 unmap: 1999 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, size); 2000 free: 2001 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1); 2002 destroy: 2003 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map); 2004 admfree: 2005 kmem_free(adm, sizeof(*adm)); 2006 2007 return NULL; 2008 } 2009 2010 void 2011 arc_dmamem_free(struct arc_softc *sc, struct arc_dmamem *adm) 2012 { 2013 bus_dmamap_unload(sc->sc_dmat, adm->adm_map); 2014 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, adm->adm_size); 2015 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1); 2016 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map); 2017 kmem_free(adm, sizeof(*adm)); 2018 } 2019 2020 int 2021 arc_alloc_ccbs(device_t self) 2022 { 2023 struct arc_softc *sc = device_private(self); 2024 struct arc_ccb *ccb; 2025 uint8_t *cmd; 2026 int i; 2027 size_t ccbslen; 2028 2029 TAILQ_INIT(&sc->sc_ccb_free); 2030 2031 ccbslen = sizeof(struct arc_ccb) * sc->sc_req_count; 2032 sc->sc_ccbs = kmem_zalloc(ccbslen, KM_SLEEP); 2033 2034 sc->sc_requests = arc_dmamem_alloc(sc, 2035 ARC_MAX_IOCMDLEN * sc->sc_req_count); 2036 if (sc->sc_requests == NULL) { 2037 aprint_error_dev(self, "unable to allocate ccb dmamem\n"); 2038 goto free_ccbs; 2039 } 2040 cmd = ARC_DMA_KVA(sc->sc_requests); 2041 2042 for (i = 0; i < sc->sc_req_count; i++) { 2043 ccb = &sc->sc_ccbs[i]; 2044 2045 if (bus_dmamap_create(sc->sc_dmat, MAXPHYS, ARC_SGL_MAXLEN, 2046 MAXPHYS, 0, 0, &ccb->ccb_dmamap) != 0) { 2047 aprint_error_dev(self, 2048 "unable to create dmamap for ccb %d\n", i); 2049 goto free_maps; 2050 } 2051 2052 ccb->ccb_sc = sc; 2053 ccb->ccb_id = i; 2054 ccb->ccb_offset = ARC_MAX_IOCMDLEN * i; 2055 2056 ccb->ccb_cmd = (struct arc_io_cmd *)&cmd[ccb->ccb_offset]; 2057 ccb->ccb_cmd_post = (ARC_DMA_DVA(sc->sc_requests) + 2058 ccb->ccb_offset) >> ARC_REG_POST_QUEUE_ADDR_SHIFT; 2059 2060 arc_put_ccb(sc, ccb); 2061 } 2062 2063 return 0; 2064 2065 free_maps: 2066 while ((ccb = arc_get_ccb(sc)) != NULL) 2067 bus_dmamap_destroy(sc->sc_dmat, ccb->ccb_dmamap); 2068 arc_dmamem_free(sc, sc->sc_requests); 2069 2070 free_ccbs: 2071 kmem_free(sc->sc_ccbs, ccbslen); 2072 2073 return 1; 2074 } 2075 2076 struct arc_ccb * 2077 arc_get_ccb(struct arc_softc *sc) 2078 { 2079 struct arc_ccb *ccb; 2080 2081 ccb = TAILQ_FIRST(&sc->sc_ccb_free); 2082 if (ccb != NULL) 2083 TAILQ_REMOVE(&sc->sc_ccb_free, ccb, ccb_link); 2084 2085 return ccb; 2086 } 2087 2088 void 2089 arc_put_ccb(struct arc_softc *sc, struct arc_ccb *ccb) 2090 { 2091 ccb->ccb_xs = NULL; 2092 memset(ccb->ccb_cmd, 0, ARC_MAX_IOCMDLEN); 2093 TAILQ_INSERT_TAIL(&sc->sc_ccb_free, ccb, ccb_link); 2094 } 2095
Indexes created Fri Sep 26 20:09:58 GMT 2025