arcmsr.c revision 1.17
1 /* $NetBSD: arcmsr.c,v 1.17 2008/03/01 16:33:29 xtraeme 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 1.17 2008/03/01 16:33:29 xtraeme 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 <uvm/uvm_extern.h> /* for PAGE_SIZE */ 55 56 #include <dev/pci/arcmsrvar.h> 57 58 /* #define ARC_DEBUG */ 59 #ifdef ARC_DEBUG 60 #define ARC_D_INIT (1<<0) 61 #define ARC_D_RW (1<<1) 62 #define ARC_D_DB (1<<2) 63 64 int arcdebug = 0; 65 66 #define DPRINTF(p...) do { if (arcdebug) printf(p); } while (0) 67 #define DNPRINTF(n, p...) do { if ((n) & arcdebug) printf(p); } while (0) 68 69 #else 70 #define DPRINTF(p...) /* p */ 71 #define DNPRINTF(n, p...) /* n, p */ 72 #endif 73 74 /* 75 * the fw header must always equal this. 76 */ 77 static struct arc_fw_hdr arc_fw_hdr = { 0x5e, 0x01, 0x61 }; 78 79 /* 80 * autoconf(9) glue. 81 */ 82 static int arc_match(device_t, struct cfdata *, void *); 83 static void arc_attach(device_t, device_t, void *); 84 static int arc_detach(device_t, int); 85 static bool arc_shutdown(device_t, int); 86 static int arc_intr(void *); 87 static void arc_minphys(struct buf *); 88 89 CFATTACH_DECL(arcmsr, sizeof(struct arc_softc), 90 arc_match, arc_attach, arc_detach, NULL); 91 92 /* 93 * bio(4) and sysmon_envsys(9) glue. 94 */ 95 #if NBIO > 0 96 static int arc_bioctl(struct device *, u_long, void *); 97 static int arc_bio_inq(struct arc_softc *, struct bioc_inq *); 98 static int arc_bio_vol(struct arc_softc *, struct bioc_vol *); 99 static int arc_bio_disk_volume(struct arc_softc *, struct bioc_disk *); 100 static int arc_bio_disk_novol(struct arc_softc *, struct bioc_disk *); 101 static void arc_bio_disk_filldata(struct arc_softc *, struct bioc_disk *, 102 struct arc_fw_diskinfo *, int); 103 static int arc_bio_alarm(struct arc_softc *, struct bioc_alarm *); 104 static int arc_bio_alarm_state(struct arc_softc *, struct bioc_alarm *); 105 static int arc_bio_getvol(struct arc_softc *, int, 106 struct arc_fw_volinfo *); 107 static int arc_bio_setstate(struct arc_softc *, struct bioc_setstate *); 108 static int arc_bio_volops(struct arc_softc *, struct bioc_volops *); 109 static void arc_create_sensors(void *); 110 static void arc_refresh_sensors(struct sysmon_envsys *, envsys_data_t *); 111 static int arc_fw_parse_status_code(struct arc_softc *, uint8_t *); 112 #endif 113 114 static int 115 arc_match(device_t parent, struct cfdata *match, void *aux) 116 { 117 struct pci_attach_args *pa = aux; 118 119 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ARECA) { 120 switch (PCI_PRODUCT(pa->pa_id)) { 121 case PCI_PRODUCT_ARECA_ARC1110: 122 case PCI_PRODUCT_ARECA_ARC1120: 123 case PCI_PRODUCT_ARECA_ARC1130: 124 case PCI_PRODUCT_ARECA_ARC1160: 125 case PCI_PRODUCT_ARECA_ARC1170: 126 case PCI_PRODUCT_ARECA_ARC1200: 127 case PCI_PRODUCT_ARECA_ARC1202: 128 case PCI_PRODUCT_ARECA_ARC1210: 129 case PCI_PRODUCT_ARECA_ARC1220: 130 case PCI_PRODUCT_ARECA_ARC1230: 131 case PCI_PRODUCT_ARECA_ARC1260: 132 case PCI_PRODUCT_ARECA_ARC1270: 133 case PCI_PRODUCT_ARECA_ARC1280: 134 case PCI_PRODUCT_ARECA_ARC1380: 135 case PCI_PRODUCT_ARECA_ARC1381: 136 case PCI_PRODUCT_ARECA_ARC1680: 137 case PCI_PRODUCT_ARECA_ARC1681: 138 return 1; 139 default: 140 break; 141 } 142 } 143 144 return 0; 145 } 146 147 static void 148 arc_attach(device_t parent, device_t self, void *aux) 149 { 150 struct arc_softc *sc = device_private(self); 151 struct pci_attach_args *pa = aux; 152 struct scsipi_adapter *adapt = &sc->sc_adapter; 153 struct scsipi_channel *chan = &sc->sc_chan; 154 155 sc->sc_talking = 0; 156 rw_init(&sc->sc_rwlock); 157 mutex_init(&sc->sc_mutex, MUTEX_DEFAULT, IPL_BIO); 158 cv_init(&sc->sc_condvar, "arcdb"); 159 160 if (arc_map_pci_resources(sc, pa) != 0) { 161 /* error message printed by arc_map_pci_resources */ 162 return; 163 } 164 165 if (arc_query_firmware(sc) != 0) { 166 /* error message printed by arc_query_firmware */ 167 goto unmap_pci; 168 } 169 170 if (arc_alloc_ccbs(sc) != 0) { 171 /* error message printed by arc_alloc_ccbs */ 172 goto unmap_pci; 173 } 174 175 if (!pmf_device_register1(self, NULL, NULL, arc_shutdown)) 176 panic("%s: couldn't establish shutdown handler\n", 177 device_xname(self)); 178 179 memset(adapt, 0, sizeof(*adapt)); 180 adapt->adapt_dev = self; 181 adapt->adapt_nchannels = 1; 182 adapt->adapt_openings = sc->sc_req_count / ARC_MAX_TARGET; 183 adapt->adapt_max_periph = adapt->adapt_openings; 184 adapt->adapt_minphys = arc_minphys; 185 adapt->adapt_request = arc_scsi_cmd; 186 187 memset(chan, 0, sizeof(*chan)); 188 chan->chan_adapter = adapt; 189 chan->chan_bustype = &scsi_bustype; 190 chan->chan_nluns = ARC_MAX_LUN; 191 chan->chan_ntargets = ARC_MAX_TARGET; 192 chan->chan_id = ARC_MAX_TARGET; 193 chan->chan_channel = 0; 194 chan->chan_flags = SCSIPI_CHAN_NOSETTLE; 195 196 /* 197 * Save the device_t returned, because we could to attach 198 * devices via the management interface. 199 */ 200 sc->sc_scsibus_dv = config_found(self, &sc->sc_chan, scsiprint); 201 202 /* enable interrupts */ 203 arc_write(sc, ARC_REG_INTRMASK, 204 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRSTAT_DOORBELL)); 205 206 #if NBIO > 0 207 /* 208 * Register the driver to bio(4) and setup the sensors. 209 */ 210 if (bio_register(self, arc_bioctl) != 0) 211 panic("%s: bioctl registration failed\n", device_xname(self)); 212 213 /* 214 * you need to talk to the firmware to get volume info. our firmware 215 * interface relies on being able to sleep, so we need to use a thread 216 * to do the work. 217 */ 218 if (kthread_create(PRI_NONE, KTHREAD_MPSAFE, NULL, 219 arc_create_sensors, sc, &sc->sc_lwp, "arcmsr_sensors") != 0) 220 panic("%s: unable to create a kernel thread for sensors\n", 221 device_xname(self)); 222 #endif 223 224 return; 225 226 unmap_pci: 227 arc_unmap_pci_resources(sc); 228 } 229 230 static int 231 arc_detach(device_t self, int flags) 232 { 233 struct arc_softc *sc = device_private(self); 234 235 if (arc_msg0(sc, ARC_REG_INB_MSG0_STOP_BGRB) != 0) 236 aprint_error("%s: timeout waiting to stop bg rebuild\n", 237 device_xname(&sc->sc_dev)); 238 239 if (arc_msg0(sc, ARC_REG_INB_MSG0_FLUSH_CACHE) != 0) 240 aprint_error("%s: timeout waiting to flush cache\n", 241 device_xname(&sc->sc_dev)); 242 243 return 0; 244 } 245 246 static bool 247 arc_shutdown(device_t self, int how) 248 { 249 struct arc_softc *sc = device_private(self); 250 251 if (arc_msg0(sc, ARC_REG_INB_MSG0_STOP_BGRB) != 0) 252 aprint_error("%s: timeout waiting to stop bg rebuild\n", 253 device_xname(&sc->sc_dev)); 254 255 if (arc_msg0(sc, ARC_REG_INB_MSG0_FLUSH_CACHE) != 0) 256 aprint_error("%s: timeout waiting to flush cache\n", 257 device_xname(&sc->sc_dev)); 258 259 return true; 260 } 261 262 static void 263 arc_minphys(struct buf *bp) 264 { 265 if (bp->b_bcount > MAXPHYS) 266 bp->b_bcount = MAXPHYS; 267 minphys(bp); 268 } 269 270 static int 271 arc_intr(void *arg) 272 { 273 struct arc_softc *sc = arg; 274 struct arc_ccb *ccb = NULL; 275 char *kva = ARC_DMA_KVA(sc->sc_requests); 276 struct arc_io_cmd *cmd; 277 uint32_t reg, intrstat; 278 279 mutex_spin_enter(&sc->sc_mutex); 280 intrstat = arc_read(sc, ARC_REG_INTRSTAT); 281 if (intrstat == 0x0) { 282 mutex_spin_exit(&sc->sc_mutex); 283 return 0; 284 } 285 286 intrstat &= ARC_REG_INTRSTAT_POSTQUEUE | ARC_REG_INTRSTAT_DOORBELL; 287 arc_write(sc, ARC_REG_INTRSTAT, intrstat); 288 289 if (intrstat & ARC_REG_INTRSTAT_DOORBELL) { 290 if (sc->sc_talking) { 291 arc_write(sc, ARC_REG_INTRMASK, 292 ~ARC_REG_INTRMASK_POSTQUEUE); 293 cv_broadcast(&sc->sc_condvar); 294 } else { 295 /* otherwise drop it */ 296 reg = arc_read(sc, ARC_REG_OUTB_DOORBELL); 297 arc_write(sc, ARC_REG_OUTB_DOORBELL, reg); 298 if (reg & ARC_REG_OUTB_DOORBELL_WRITE_OK) 299 arc_write(sc, ARC_REG_INB_DOORBELL, 300 ARC_REG_INB_DOORBELL_READ_OK); 301 } 302 } 303 mutex_spin_exit(&sc->sc_mutex); 304 305 while ((reg = arc_pop(sc)) != 0xffffffff) { 306 cmd = (struct arc_io_cmd *)(kva + 307 ((reg << ARC_REG_REPLY_QUEUE_ADDR_SHIFT) - 308 (uint32_t)ARC_DMA_DVA(sc->sc_requests))); 309 ccb = &sc->sc_ccbs[htole32(cmd->cmd.context)]; 310 311 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), 312 ccb->ccb_offset, ARC_MAX_IOCMDLEN, 313 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 314 315 arc_scsi_cmd_done(sc, ccb, reg); 316 } 317 318 319 return 1; 320 } 321 322 void 323 arc_scsi_cmd(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg) 324 { 325 struct scsipi_periph *periph; 326 struct scsipi_xfer *xs; 327 struct scsipi_adapter *adapt = chan->chan_adapter; 328 struct arc_softc *sc = device_private(adapt->adapt_dev); 329 struct arc_ccb *ccb; 330 struct arc_msg_scsicmd *cmd; 331 uint32_t reg; 332 uint8_t target; 333 334 switch (req) { 335 case ADAPTER_REQ_GROW_RESOURCES: 336 /* Not supported. */ 337 return; 338 case ADAPTER_REQ_SET_XFER_MODE: 339 /* Not supported. */ 340 return; 341 case ADAPTER_REQ_RUN_XFER: 342 break; 343 } 344 345 mutex_spin_enter(&sc->sc_mutex); 346 347 xs = arg; 348 periph = xs->xs_periph; 349 target = periph->periph_target; 350 351 if (xs->cmdlen > ARC_MSG_CDBLEN) { 352 memset(&xs->sense, 0, sizeof(xs->sense)); 353 xs->sense.scsi_sense.response_code = SSD_RCODE_VALID | 0x70; 354 xs->sense.scsi_sense.flags = SKEY_ILLEGAL_REQUEST; 355 xs->sense.scsi_sense.asc = 0x20; 356 xs->error = XS_SENSE; 357 xs->status = SCSI_CHECK; 358 mutex_spin_exit(&sc->sc_mutex); 359 scsipi_done(xs); 360 return; 361 } 362 363 ccb = arc_get_ccb(sc); 364 if (ccb == NULL) { 365 xs->error = XS_RESOURCE_SHORTAGE; 366 mutex_spin_exit(&sc->sc_mutex); 367 scsipi_done(xs); 368 return; 369 } 370 371 ccb->ccb_xs = xs; 372 373 if (arc_load_xs(ccb) != 0) { 374 xs->error = XS_DRIVER_STUFFUP; 375 arc_put_ccb(sc, ccb); 376 mutex_spin_exit(&sc->sc_mutex); 377 scsipi_done(xs); 378 return; 379 } 380 381 cmd = &ccb->ccb_cmd->cmd; 382 reg = ccb->ccb_cmd_post; 383 384 /* bus is always 0 */ 385 cmd->target = target; 386 cmd->lun = periph->periph_lun; 387 cmd->function = 1; /* XXX magic number */ 388 389 cmd->cdb_len = xs->cmdlen; 390 cmd->sgl_len = ccb->ccb_dmamap->dm_nsegs; 391 if (xs->xs_control & XS_CTL_DATA_OUT) 392 cmd->flags = ARC_MSG_SCSICMD_FLAG_WRITE; 393 if (ccb->ccb_dmamap->dm_nsegs > ARC_SGL_256LEN) { 394 cmd->flags |= ARC_MSG_SCSICMD_FLAG_SGL_BSIZE_512; 395 reg |= ARC_REG_POST_QUEUE_BIGFRAME; 396 } 397 398 cmd->context = htole32(ccb->ccb_id); 399 cmd->data_len = htole32(xs->datalen); 400 401 memcpy(cmd->cdb, xs->cmd, xs->cmdlen); 402 403 /* we've built the command, let's put it on the hw */ 404 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), 405 ccb->ccb_offset, ARC_MAX_IOCMDLEN, 406 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 407 408 arc_push(sc, reg); 409 if (xs->xs_control & XS_CTL_POLL) { 410 if (arc_complete(sc, ccb, xs->timeout) != 0) { 411 xs->error = XS_DRIVER_STUFFUP; 412 mutex_spin_exit(&sc->sc_mutex); 413 scsipi_done(xs); 414 return; 415 } 416 } 417 418 mutex_spin_exit(&sc->sc_mutex); 419 } 420 421 int 422 arc_load_xs(struct arc_ccb *ccb) 423 { 424 struct arc_softc *sc = ccb->ccb_sc; 425 struct scsipi_xfer *xs = ccb->ccb_xs; 426 bus_dmamap_t dmap = ccb->ccb_dmamap; 427 struct arc_sge *sgl = ccb->ccb_cmd->sgl, *sge; 428 uint64_t addr; 429 int i, error; 430 431 if (xs->datalen == 0) 432 return 0; 433 434 error = bus_dmamap_load(sc->sc_dmat, dmap, 435 xs->data, xs->datalen, NULL, 436 (xs->xs_control & XS_CTL_NOSLEEP) ? 437 BUS_DMA_NOWAIT : BUS_DMA_WAITOK); 438 if (error != 0) { 439 aprint_error("%s: error %d loading dmamap\n", 440 device_xname(&sc->sc_dev), error); 441 return 1; 442 } 443 444 for (i = 0; i < dmap->dm_nsegs; i++) { 445 sge = &sgl[i]; 446 447 sge->sg_hdr = htole32(ARC_SGE_64BIT | dmap->dm_segs[i].ds_len); 448 addr = dmap->dm_segs[i].ds_addr; 449 sge->sg_hi_addr = htole32((uint32_t)(addr >> 32)); 450 sge->sg_lo_addr = htole32((uint32_t)addr); 451 } 452 453 bus_dmamap_sync(sc->sc_dmat, dmap, 0, dmap->dm_mapsize, 454 (xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMASYNC_PREREAD : 455 BUS_DMASYNC_PREWRITE); 456 457 return 0; 458 } 459 460 void 461 arc_scsi_cmd_done(struct arc_softc *sc, struct arc_ccb *ccb, uint32_t reg) 462 { 463 struct scsipi_xfer *xs = ccb->ccb_xs; 464 struct arc_msg_scsicmd *cmd; 465 466 if (xs->datalen != 0) { 467 bus_dmamap_sync(sc->sc_dmat, ccb->ccb_dmamap, 0, 468 ccb->ccb_dmamap->dm_mapsize, 469 (xs->xs_control & XS_CTL_DATA_IN) ? 470 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 471 bus_dmamap_unload(sc->sc_dmat, ccb->ccb_dmamap); 472 } 473 474 /* timeout_del */ 475 xs->status |= XS_STS_DONE; 476 477 if (reg & ARC_REG_REPLY_QUEUE_ERR) { 478 cmd = &ccb->ccb_cmd->cmd; 479 480 switch (cmd->status) { 481 case ARC_MSG_STATUS_SELTIMEOUT: 482 case ARC_MSG_STATUS_ABORTED: 483 case ARC_MSG_STATUS_INIT_FAIL: 484 xs->status = SCSI_OK; 485 xs->error = XS_SELTIMEOUT; 486 break; 487 488 case SCSI_CHECK: 489 memset(&xs->sense, 0, sizeof(xs->sense)); 490 memcpy(&xs->sense, cmd->sense_data, 491 min(ARC_MSG_SENSELEN, sizeof(xs->sense))); 492 xs->sense.scsi_sense.response_code = 493 SSD_RCODE_VALID | 0x70; 494 xs->status = SCSI_CHECK; 495 xs->error = XS_SENSE; 496 xs->resid = 0; 497 break; 498 499 default: 500 /* unknown device status */ 501 xs->error = XS_BUSY; /* try again later? */ 502 xs->status = SCSI_BUSY; 503 break; 504 } 505 } else { 506 xs->status = SCSI_OK; 507 xs->error = XS_NOERROR; 508 xs->resid = 0; 509 } 510 511 arc_put_ccb(sc, ccb); 512 scsipi_done(xs); 513 } 514 515 int 516 arc_complete(struct arc_softc *sc, struct arc_ccb *nccb, int timeout) 517 { 518 struct arc_ccb *ccb = NULL; 519 char *kva = ARC_DMA_KVA(sc->sc_requests); 520 struct arc_io_cmd *cmd; 521 uint32_t reg; 522 523 do { 524 reg = arc_pop(sc); 525 if (reg == 0xffffffff) { 526 if (timeout-- == 0) 527 return 1; 528 529 delay(1000); 530 continue; 531 } 532 533 cmd = (struct arc_io_cmd *)(kva + 534 ((reg << ARC_REG_REPLY_QUEUE_ADDR_SHIFT) - 535 ARC_DMA_DVA(sc->sc_requests))); 536 ccb = &sc->sc_ccbs[htole32(cmd->cmd.context)]; 537 538 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), 539 ccb->ccb_offset, ARC_MAX_IOCMDLEN, 540 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 541 542 arc_scsi_cmd_done(sc, ccb, reg); 543 } while (nccb != ccb); 544 545 return 0; 546 } 547 548 int 549 arc_map_pci_resources(struct arc_softc *sc, struct pci_attach_args *pa) 550 { 551 pcireg_t memtype; 552 pci_intr_handle_t ih; 553 554 sc->sc_pc = pa->pa_pc; 555 sc->sc_tag = pa->pa_tag; 556 sc->sc_dmat = pa->pa_dmat; 557 558 memtype = pci_mapreg_type(sc->sc_pc, sc->sc_tag, ARC_PCI_BAR); 559 if (pci_mapreg_map(pa, ARC_PCI_BAR, memtype, 0, &sc->sc_iot, 560 &sc->sc_ioh, NULL, &sc->sc_ios) != 0) { 561 aprint_error(": unable to map system interface register\n"); 562 return 1; 563 } 564 565 if (pci_intr_map(pa, &ih) != 0) { 566 aprint_error(": unable to map interrupt\n"); 567 goto unmap; 568 } 569 570 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, 571 arc_intr, sc); 572 if (sc->sc_ih == NULL) { 573 aprint_error(": unable to map interrupt [2]\n"); 574 goto unmap; 575 } 576 577 aprint_normal("\n"); 578 aprint_normal("%s: interrupting at %s\n", 579 device_xname(&sc->sc_dev), pci_intr_string(pa->pa_pc, ih)); 580 581 return 0; 582 583 unmap: 584 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 585 sc->sc_ios = 0; 586 return 1; 587 } 588 589 void 590 arc_unmap_pci_resources(struct arc_softc *sc) 591 { 592 pci_intr_disestablish(sc->sc_pc, sc->sc_ih); 593 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 594 sc->sc_ios = 0; 595 } 596 597 int 598 arc_query_firmware(struct arc_softc *sc) 599 { 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("%s: timeout waiting for firmware ok\n", 606 device_xname(&sc->sc_dev)); 607 return 1; 608 } 609 610 if (arc_msg0(sc, ARC_REG_INB_MSG0_GET_CONFIG) != 0) { 611 aprint_debug("%s: timeout waiting for get config\n", 612 device_xname(&sc->sc_dev)); 613 return 1; 614 } 615 616 if (arc_msg0(sc, ARC_REG_INB_MSG0_START_BGRB) != 0) { 617 aprint_debug("%s: timeout waiting to start bg rebuild\n", 618 device_xname(&sc->sc_dev)); 619 return 1; 620 } 621 622 arc_read_region(sc, ARC_REG_MSGBUF, &fwinfo, sizeof(fwinfo)); 623 624 DNPRINTF(ARC_D_INIT, "%s: signature: 0x%08x\n", 625 device_xname(&sc->sc_dev), htole32(fwinfo.signature)); 626 627 if (htole32(fwinfo.signature) != ARC_FWINFO_SIGNATURE_GET_CONFIG) { 628 aprint_error("%s: invalid firmware info from iop\n", 629 device_xname(&sc->sc_dev)); 630 return 1; 631 } 632 633 DNPRINTF(ARC_D_INIT, "%s: request_len: %d\n", 634 device_xname(&sc->sc_dev), 635 htole32(fwinfo.request_len)); 636 DNPRINTF(ARC_D_INIT, "%s: queue_len: %d\n", 637 device_xname(&sc->sc_dev), 638 htole32(fwinfo.queue_len)); 639 DNPRINTF(ARC_D_INIT, "%s: sdram_size: %d\n", 640 device_xname(&sc->sc_dev), 641 htole32(fwinfo.sdram_size)); 642 DNPRINTF(ARC_D_INIT, "%s: sata_ports: %d\n", 643 device_xname(&sc->sc_dev), 644 htole32(fwinfo.sata_ports)); 645 646 scsipi_strvis(string, 81, fwinfo.vendor, sizeof(fwinfo.vendor)); 647 DNPRINTF(ARC_D_INIT, "%s: vendor: \"%s\"\n", 648 device_xname(&sc->sc_dev), string); 649 650 scsipi_strvis(string, 17, fwinfo.model, sizeof(fwinfo.model)); 651 aprint_normal("%s: Areca %s Host Adapter RAID controller\n", 652 device_xname(&sc->sc_dev), string); 653 654 scsipi_strvis(string, 33, fwinfo.fw_version, sizeof(fwinfo.fw_version)); 655 DNPRINTF(ARC_D_INIT, "%s: version: \"%s\"\n", 656 device_xname(&sc->sc_dev), string); 657 658 aprint_normal("%s: %d ports, %dMB SDRAM, firmware <%s>\n", 659 device_xname(&sc->sc_dev), htole32(fwinfo.sata_ports), 660 htole32(fwinfo.sdram_size), string); 661 662 if (htole32(fwinfo.request_len) != ARC_MAX_IOCMDLEN) { 663 aprint_error("%s: unexpected request frame size (%d != %d)\n", 664 device_xname(&sc->sc_dev), 665 htole32(fwinfo.request_len), ARC_MAX_IOCMDLEN); 666 return 1; 667 } 668 669 sc->sc_req_count = htole32(fwinfo.queue_len); 670 671 return 0; 672 } 673 674 #if NBIO > 0 675 static int 676 arc_bioctl(struct device *self, u_long cmd, void *addr) 677 { 678 struct arc_softc *sc = device_private(self); 679 int error = 0; 680 681 switch (cmd) { 682 case BIOCINQ: 683 error = arc_bio_inq(sc, (struct bioc_inq *)addr); 684 break; 685 686 case BIOCVOL: 687 error = arc_bio_vol(sc, (struct bioc_vol *)addr); 688 break; 689 690 case BIOCDISK: 691 error = arc_bio_disk_volume(sc, (struct bioc_disk *)addr); 692 break; 693 694 case BIOCDISK_NOVOL: 695 error = arc_bio_disk_novol(sc, (struct bioc_disk *)addr); 696 break; 697 698 case BIOCALARM: 699 error = arc_bio_alarm(sc, (struct bioc_alarm *)addr); 700 break; 701 702 case BIOCSETSTATE: 703 error = arc_bio_setstate(sc, (struct bioc_setstate *)addr); 704 break; 705 706 case BIOCVOLOPS: 707 error = arc_bio_volops(sc, (struct bioc_volops *)addr); 708 break; 709 710 default: 711 error = ENOTTY; 712 break; 713 } 714 715 return error; 716 } 717 718 static int 719 arc_fw_parse_status_code(struct arc_softc *sc, uint8_t *reply) 720 { 721 switch (*reply) { 722 case ARC_FW_CMD_RAIDINVAL: 723 printf("%s: firmware error (invalid raid set)\n", 724 device_xname(&sc->sc_dev)); 725 return EINVAL; 726 case ARC_FW_CMD_VOLINVAL: 727 printf("%s: firmware error (invalid volume set)\n", 728 device_xname(&sc->sc_dev)); 729 return EINVAL; 730 case ARC_FW_CMD_NORAID: 731 printf("%s: firmware error (unexistent raid set)\n", 732 device_xname(&sc->sc_dev)); 733 return ENODEV; 734 case ARC_FW_CMD_NOVOLUME: 735 printf("%s: firmware error (unexistent volume set)\n", 736 device_xname(&sc->sc_dev)); 737 return ENODEV; 738 case ARC_FW_CMD_NOPHYSDRV: 739 printf("%s: firmware error (unexistent physical drive)\n", 740 device_xname(&sc->sc_dev)); 741 return ENODEV; 742 case ARC_FW_CMD_PARAM_ERR: 743 printf("%s: firmware error (parameter error)\n", 744 device_xname(&sc->sc_dev)); 745 return EINVAL; 746 case ARC_FW_CMD_UNSUPPORTED: 747 printf("%s: firmware error (unsupported command)\n", 748 device_xname(&sc->sc_dev)); 749 return EOPNOTSUPP; 750 case ARC_FW_CMD_DISKCFG_CHGD: 751 printf("%s: firmware error (disk configuration changed)\n", 752 device_xname(&sc->sc_dev)); 753 return EINVAL; 754 case ARC_FW_CMD_PASS_INVAL: 755 printf("%s: firmware error (invalid password)\n", 756 device_xname(&sc->sc_dev)); 757 return EINVAL; 758 case ARC_FW_CMD_NODISKSPACE: 759 printf("%s: firmware error (no disk space available)\n", 760 device_xname(&sc->sc_dev)); 761 return EOPNOTSUPP; 762 case ARC_FW_CMD_CHECKSUM_ERR: 763 printf("%s: firmware error (checksum error)\n", 764 device_xname(&sc->sc_dev)); 765 return EINVAL; 766 case ARC_FW_CMD_PASS_REQD: 767 printf("%s: firmware error (password required)\n", 768 device_xname(&sc->sc_dev)); 769 return EPERM; 770 case ARC_FW_CMD_OK: 771 default: 772 return 0; 773 } 774 } 775 776 static int 777 arc_bio_alarm(struct arc_softc *sc, struct bioc_alarm *ba) 778 { 779 uint8_t request[2], reply[1]; 780 size_t len; 781 int error = 0; 782 783 switch (ba->ba_opcode) { 784 case BIOC_SAENABLE: 785 case BIOC_SADISABLE: 786 request[0] = ARC_FW_SET_ALARM; 787 request[1] = (ba->ba_opcode == BIOC_SAENABLE) ? 788 ARC_FW_SET_ALARM_ENABLE : ARC_FW_SET_ALARM_DISABLE; 789 len = sizeof(request); 790 791 break; 792 793 case BIOC_SASILENCE: 794 request[0] = ARC_FW_MUTE_ALARM; 795 len = 1; 796 797 break; 798 799 case BIOC_GASTATUS: 800 /* system info is too big/ugly to deal with here */ 801 return arc_bio_alarm_state(sc, ba); 802 803 default: 804 return EOPNOTSUPP; 805 } 806 807 error = arc_msgbuf(sc, request, len, reply, sizeof(reply)); 808 if (error != 0) 809 return error; 810 811 return arc_fw_parse_status_code(sc, &reply[0]); 812 } 813 814 static int 815 arc_bio_alarm_state(struct arc_softc *sc, struct bioc_alarm *ba) 816 { 817 struct arc_fw_sysinfo *sysinfo; 818 uint8_t request; 819 int error = 0; 820 821 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP); 822 823 request = ARC_FW_SYSINFO; 824 error = arc_msgbuf(sc, &request, sizeof(request), 825 sysinfo, sizeof(struct arc_fw_sysinfo)); 826 827 if (error != 0) 828 goto out; 829 830 ba->ba_status = sysinfo->alarm; 831 832 out: 833 kmem_free(sysinfo, sizeof(*sysinfo)); 834 return error; 835 } 836 837 static int 838 arc_bio_volops(struct arc_softc *sc, struct bioc_volops *bc) 839 { 840 /* to create a raid set */ 841 struct req_craidset { 842 uint8_t cmdcode; 843 uint32_t devmask; 844 uint8_t raidset_name[16]; 845 } __packed; 846 847 /* to create a volume set */ 848 struct req_cvolset { 849 uint8_t cmdcode; 850 uint8_t raidset; 851 uint8_t volset_name[16]; 852 uint64_t capacity; 853 uint8_t raidlevel; 854 uint8_t stripe; 855 uint8_t scsi_chan; 856 uint8_t scsi_target; 857 uint8_t scsi_lun; 858 uint8_t tagqueue; 859 uint8_t cache; 860 uint8_t speed; 861 uint8_t quick_init; 862 } __packed; 863 864 struct scsibus_softc *scsibus_sc = NULL; 865 struct req_craidset req_craidset; 866 struct req_cvolset req_cvolset; 867 uint8_t request[2]; 868 uint8_t reply[1]; 869 int error = 0; 870 871 switch (bc->bc_opcode) { 872 case BIOC_VCREATE_VOLUME: 873 { 874 /* 875 * Zero out the structs so that we use some defaults 876 * in raid and volume sets. 877 */ 878 memset(&req_craidset, 0, sizeof(req_craidset)); 879 memset(&req_cvolset, 0, sizeof(req_cvolset)); 880 881 /* 882 * Firstly we have to create the raid set and 883 * use the default name for all them. 884 */ 885 req_craidset.cmdcode = ARC_FW_CREATE_RAIDSET; 886 req_craidset.devmask = bc->bc_devmask; 887 error = arc_msgbuf(sc, &req_craidset, sizeof(req_craidset), 888 reply, sizeof(reply)); 889 if (error != 0) 890 return error; 891 892 error = arc_fw_parse_status_code(sc, &reply[0]); 893 if (error) { 894 printf("%s: create raidset%d failed\n", 895 device_xname(&sc->sc_dev), bc->bc_volid); 896 return error; 897 } 898 899 /* 900 * At this point the raid set was created, so it's 901 * time to create the volume set. 902 */ 903 req_cvolset.cmdcode = ARC_FW_CREATE_VOLUME; 904 req_cvolset.raidset = bc->bc_volid; 905 req_cvolset.capacity = bc->bc_size * ARC_BLOCKSIZE; 906 907 /* 908 * Set the RAID level. 909 */ 910 switch (bc->bc_level) { 911 case 0: 912 case 1: 913 req_cvolset.raidlevel = bc->bc_level; 914 break; 915 case 3: 916 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_3; 917 break; 918 case 5: 919 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_5; 920 break; 921 case 6: 922 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_6; 923 break; 924 default: 925 return EOPNOTSUPP; 926 } 927 928 /* 929 * Set the stripe size. 930 */ 931 switch (bc->bc_stripe) { 932 case 4: 933 req_cvolset.stripe = 0; 934 break; 935 case 8: 936 req_cvolset.stripe = 1; 937 break; 938 case 16: 939 req_cvolset.stripe = 2; 940 break; 941 case 32: 942 req_cvolset.stripe = 3; 943 break; 944 case 64: 945 req_cvolset.stripe = 4; 946 break; 947 case 128: 948 req_cvolset.stripe = 5; 949 break; 950 default: 951 req_cvolset.stripe = 4; /* by default 64K */ 952 break; 953 } 954 955 req_cvolset.scsi_chan = bc->bc_channel; 956 req_cvolset.scsi_target = bc->bc_target; 957 req_cvolset.scsi_lun = bc->bc_lun; 958 req_cvolset.tagqueue = 1; /* always enabled */ 959 req_cvolset.cache = 1; /* always enabled */ 960 req_cvolset.speed = 4; /* always max speed */ 961 962 if (bc->bc_level == 1) 963 req_cvolset.quick_init = 1; /* foreground init */ 964 965 error = arc_msgbuf(sc, &req_cvolset, sizeof(req_cvolset), 966 reply, sizeof(reply)); 967 if (error != 0) 968 return error; 969 970 error = arc_fw_parse_status_code(sc, &reply[0]); 971 if (error) { 972 printf("%s: create volumeset%d failed\n", 973 device_xname(&sc->sc_dev), bc->bc_volid); 974 return error; 975 } 976 977 /* 978 * If we are creating a RAID 1 or RAID 1+0 volume, 979 * the volume will be created immediately but it won't 980 * be available until the initialization is done... so 981 * don't bother attaching the sd(4) device. 982 */ 983 if (bc->bc_level == 1) 984 break; 985 986 /* 987 * Do a rescan on the bus to attach the device associated 988 * with the new volume. 989 */ 990 scsibus_sc = device_private(sc->sc_scsibus_dv); 991 (void)scsi_probe_bus(scsibus_sc, bc->bc_target, bc->bc_lun); 992 993 break; 994 } 995 case BIOC_VREMOVE_VOLUME: 996 { 997 /* 998 * Remove the volume set specified in bc_volid. 999 */ 1000 request[0] = ARC_FW_DELETE_VOLUME; 1001 request[1] = bc->bc_volid; 1002 error = arc_msgbuf(sc, request, sizeof(request), 1003 reply, sizeof(reply)); 1004 if (error != 0) 1005 return error; 1006 1007 error = arc_fw_parse_status_code(sc, &reply[0]); 1008 if (error) { 1009 printf("%s: delete volumeset%d failed\n", 1010 device_xname(&sc->sc_dev), bc->bc_volid); 1011 return error; 1012 } 1013 1014 /* 1015 * Detach the sd(4) device associated with the volume, 1016 * but if there's an error don't make it a priority. 1017 */ 1018 error = scsipi_target_detach(&sc->sc_chan, bc->bc_target, 1019 bc->bc_lun, 0); 1020 if (error) 1021 printf("%s: couldn't detach sd device for volume %d " 1022 "at %u:%u.%u (error=%d)\n", 1023 device_xname(&sc->sc_dev), bc->bc_volid, 1024 bc->bc_channel, bc->bc_target, bc->bc_lun, error); 1025 1026 /* 1027 * and remove the raid set specified in bc_volid, 1028 * we only care about volumes. 1029 */ 1030 request[0] = ARC_FW_DELETE_RAIDSET; 1031 request[1] = bc->bc_volid; 1032 error = arc_msgbuf(sc, request, sizeof(request), 1033 reply, sizeof(reply)); 1034 if (error != 0) 1035 return error; 1036 1037 error = arc_fw_parse_status_code(sc, &reply[0]); 1038 if (error) { 1039 printf("%s: delete raidset%d failed\n", 1040 device_xname(&sc->sc_dev), bc->bc_volid); 1041 return error; 1042 } 1043 1044 break; 1045 } 1046 default: 1047 return EOPNOTSUPP; 1048 } 1049 1050 return error; 1051 } 1052 1053 static int 1054 arc_bio_setstate(struct arc_softc *sc, struct bioc_setstate *bs) 1055 { 1056 /* for a hotspare disk */ 1057 struct request_hs { 1058 uint8_t cmdcode; 1059 uint32_t devmask; 1060 } __packed; 1061 1062 /* for a pass-through disk */ 1063 struct request_pt { 1064 uint8_t cmdcode; 1065 uint8_t devid; 1066 uint8_t scsi_chan; 1067 uint8_t scsi_id; 1068 uint8_t scsi_lun; 1069 uint8_t tagged_queue; 1070 uint8_t cache_mode; 1071 uint8_t max_speed; 1072 } __packed; 1073 1074 struct scsibus_softc *scsibus_sc = NULL; 1075 struct request_hs req_hs; /* to add/remove hotspare */ 1076 struct request_pt req_pt; /* to add a pass-through */ 1077 uint8_t req_gen[2]; 1078 uint8_t reply[1]; 1079 int error = 0; 1080 1081 switch (bs->bs_status) { 1082 case BIOC_SSHOTSPARE: 1083 { 1084 req_hs.cmdcode = ARC_FW_CREATE_HOTSPARE; 1085 req_hs.devmask = (1 << bs->bs_target); 1086 goto hotspare; 1087 } 1088 case BIOC_SSDELHOTSPARE: 1089 { 1090 req_hs.cmdcode = ARC_FW_DELETE_HOTSPARE; 1091 req_hs.devmask = (1 << bs->bs_target); 1092 goto hotspare; 1093 } 1094 case BIOC_SSPASSTHRU: 1095 { 1096 req_pt.cmdcode = ARC_FW_CREATE_PASSTHRU; 1097 req_pt.devid = bs->bs_other_id; /* this wants device# */ 1098 req_pt.scsi_chan = bs->bs_channel; 1099 req_pt.scsi_id = bs->bs_target; 1100 req_pt.scsi_lun = bs->bs_lun; 1101 req_pt.tagged_queue = 1; /* always enabled */ 1102 req_pt.cache_mode = 1; /* always enabled */ 1103 req_pt.max_speed = 4; /* always max speed */ 1104 1105 error = arc_msgbuf(sc, &req_pt, sizeof(req_pt), 1106 reply, sizeof(reply)); 1107 if (error != 0) 1108 return error; 1109 1110 /* 1111 * Do a rescan on the bus to attach the new device 1112 * associated with the pass-through disk. 1113 */ 1114 scsibus_sc = device_private(sc->sc_scsibus_dv); 1115 (void)scsi_probe_bus(scsibus_sc, bs->bs_target, bs->bs_lun); 1116 1117 goto out; 1118 } 1119 case BIOC_SSDELPASSTHRU: 1120 { 1121 req_gen[0] = ARC_FW_DELETE_PASSTHRU; 1122 req_gen[1] = bs->bs_target; 1123 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen), 1124 reply, sizeof(reply)); 1125 if (error != 0) 1126 return error; 1127 1128 /* 1129 * Detach the sd device associated with this pass-through disk. 1130 */ 1131 error = scsipi_target_detach(&sc->sc_chan, bs->bs_target, 1132 bs->bs_lun, 0); 1133 if (error) 1134 printf("%s: couldn't detach sd device for the " 1135 "pass-through disk at %u:%u.%u (error=%d)\n", 1136 device_xname(&sc->sc_dev), 1137 bs->bs_channel, bs->bs_target, bs->bs_lun, error); 1138 1139 goto out; 1140 } 1141 case BIOC_SSCHECKSTART_VOL: 1142 { 1143 req_gen[0] = ARC_FW_START_CHECKVOL; 1144 req_gen[1] = bs->bs_volid; 1145 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen), 1146 reply, sizeof(reply)); 1147 if (error != 0) 1148 return error; 1149 1150 goto out; 1151 } 1152 case BIOC_SSCHECKSTOP_VOL: 1153 { 1154 uint8_t req = ARC_FW_STOP_CHECKVOL; 1155 error = arc_msgbuf(sc, &req, 1, reply, sizeof(reply)); 1156 if (error != 0) 1157 return error; 1158 1159 goto out; 1160 } 1161 default: 1162 return EOPNOTSUPP; 1163 } 1164 1165 hotspare: 1166 error = arc_msgbuf(sc, &req_hs, sizeof(req_hs), 1167 reply, sizeof(reply)); 1168 if (error != 0) 1169 return error; 1170 1171 out: 1172 return arc_fw_parse_status_code(sc, &reply[0]); 1173 } 1174 1175 static int 1176 arc_bio_inq(struct arc_softc *sc, struct bioc_inq *bi) 1177 { 1178 uint8_t request[2]; 1179 struct arc_fw_sysinfo *sysinfo = NULL; 1180 struct arc_fw_raidinfo *raidinfo; 1181 int nvols = 0, i; 1182 int error = 0; 1183 1184 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP); 1185 1186 if (!sc->sc_maxraidset || !sc->sc_maxvolset || !sc->sc_cchans) { 1187 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP); 1188 1189 request[0] = ARC_FW_SYSINFO; 1190 error = arc_msgbuf(sc, request, 1, sysinfo, 1191 sizeof(struct arc_fw_sysinfo)); 1192 if (error != 0) 1193 goto out; 1194 1195 sc->sc_maxraidset = sysinfo->max_raid_set; 1196 sc->sc_maxvolset = sysinfo->max_volume_set; 1197 sc->sc_cchans = sysinfo->ide_channels; 1198 } 1199 1200 request[0] = ARC_FW_RAIDINFO; 1201 for (i = 0; i < sc->sc_maxraidset; i++) { 1202 request[1] = i; 1203 error = arc_msgbuf(sc, request, sizeof(request), raidinfo, 1204 sizeof(struct arc_fw_raidinfo)); 1205 if (error != 0) 1206 goto out; 1207 1208 if (raidinfo->volumes) 1209 nvols++; 1210 } 1211 1212 strlcpy(bi->bi_dev, device_xname(&sc->sc_dev), sizeof(bi->bi_dev)); 1213 bi->bi_novol = nvols; 1214 bi->bi_nodisk = sc->sc_cchans; 1215 1216 out: 1217 if (sysinfo) 1218 kmem_free(sysinfo, sizeof(*sysinfo)); 1219 kmem_free(raidinfo, sizeof(*raidinfo)); 1220 return error; 1221 } 1222 1223 static int 1224 arc_bio_getvol(struct arc_softc *sc, int vol, struct arc_fw_volinfo *volinfo) 1225 { 1226 uint8_t request[2]; 1227 int error = 0; 1228 int nvols = 0, i; 1229 1230 request[0] = ARC_FW_VOLINFO; 1231 for (i = 0; i < sc->sc_maxvolset; i++) { 1232 request[1] = i; 1233 error = arc_msgbuf(sc, request, sizeof(request), volinfo, 1234 sizeof(struct arc_fw_volinfo)); 1235 if (error != 0) 1236 goto out; 1237 1238 if (volinfo->capacity == 0 && volinfo->capacity2 == 0) 1239 continue; 1240 1241 if (nvols == vol) 1242 break; 1243 1244 nvols++; 1245 } 1246 1247 if (nvols != vol || 1248 (volinfo->capacity == 0 && volinfo->capacity2 == 0)) { 1249 error = ENODEV; 1250 goto out; 1251 } 1252 1253 out: 1254 return error; 1255 } 1256 1257 static int 1258 arc_bio_vol(struct arc_softc *sc, struct bioc_vol *bv) 1259 { 1260 struct arc_fw_volinfo *volinfo; 1261 uint64_t blocks; 1262 uint32_t status; 1263 int error = 0; 1264 1265 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP); 1266 1267 error = arc_bio_getvol(sc, bv->bv_volid, volinfo); 1268 if (error != 0) 1269 goto out; 1270 1271 bv->bv_percent = -1; 1272 bv->bv_seconds = 0; 1273 1274 status = htole32(volinfo->volume_status); 1275 if (status == 0x0) { 1276 if (htole32(volinfo->fail_mask) == 0x0) 1277 bv->bv_status = BIOC_SVONLINE; 1278 else 1279 bv->bv_status = BIOC_SVDEGRADED; 1280 } else if (status & ARC_FW_VOL_STATUS_NEED_REGEN) { 1281 bv->bv_status = BIOC_SVDEGRADED; 1282 } else if (status & ARC_FW_VOL_STATUS_FAILED) { 1283 bv->bv_status = BIOC_SVOFFLINE; 1284 } else if (status & ARC_FW_VOL_STATUS_INITTING) { 1285 bv->bv_status = BIOC_SVBUILDING; 1286 bv->bv_percent = htole32(volinfo->progress); 1287 } else if (status & ARC_FW_VOL_STATUS_REBUILDING) { 1288 bv->bv_status = BIOC_SVREBUILD; 1289 bv->bv_percent = htole32(volinfo->progress); 1290 } else if (status & ARC_FW_VOL_STATUS_MIGRATING) { 1291 bv->bv_status = BIOC_SVMIGRATING; 1292 bv->bv_percent = htole32(volinfo->progress); 1293 } else if (status & ARC_FW_VOL_STATUS_CHECKING) { 1294 bv->bv_status = BIOC_SVCHECKING; 1295 bv->bv_percent = htole32(volinfo->progress); 1296 } else if (status & ARC_FW_VOL_STATUS_NEED_INIT) { 1297 bv->bv_status = BIOC_SVOFFLINE; 1298 } else { 1299 printf("%s: volume %d status 0x%x\n", 1300 device_xname(&sc->sc_dev), bv->bv_volid, status); 1301 } 1302 1303 blocks = (uint64_t)htole32(volinfo->capacity2) << 32; 1304 blocks += (uint64_t)htole32(volinfo->capacity); 1305 bv->bv_size = blocks * ARC_BLOCKSIZE; /* XXX */ 1306 1307 switch (volinfo->raid_level) { 1308 case ARC_FW_VOL_RAIDLEVEL_0: 1309 bv->bv_level = 0; 1310 break; 1311 case ARC_FW_VOL_RAIDLEVEL_1: 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 scsipi_strvis(bv->bv_vendor, sizeof(bv->bv_vendor), volinfo->set_name, 1335 sizeof(volinfo->set_name)); 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 switch (htole32(diskinfo->device_state)) { 1386 case ARC_FW_DISK_PASSTHRU: 1387 bd->bd_status = BIOC_SDPASSTHRU; 1388 break; 1389 case ARC_FW_DISK_RAIDMEMBER: 1390 bd->bd_status = BIOC_SDONLINE; 1391 break; 1392 case ARC_FW_DISK_HOTSPARE: 1393 bd->bd_status = BIOC_SDHOTSPARE; 1394 break; 1395 case ARC_FW_DISK_UNUSED: 1396 bd->bd_status = BIOC_SDUNUSED; 1397 break; 1398 case 0: 1399 /* disk has been disconnected */ 1400 bd->bd_status = BIOC_SDOFFLINE; 1401 bd->bd_channel = 1; 1402 bd->bd_target = 0; 1403 bd->bd_lun = 0; 1404 strlcpy(bd->bd_vendor, "disk missing", sizeof(bd->bd_vendor)); 1405 break; 1406 default: 1407 printf("%s: unknown disk device_state: 0x%x\n", __func__, 1408 htole32(diskinfo->device_state)); 1409 bd->bd_status = BIOC_SDINVALID; 1410 return; 1411 } 1412 1413 blocks = (uint64_t)htole32(diskinfo->capacity2) << 32; 1414 blocks += (uint64_t)htole32(diskinfo->capacity); 1415 bd->bd_size = blocks * ARC_BLOCKSIZE; /* XXX */ 1416 1417 scsipi_strvis(model, 81, diskinfo->model, sizeof(diskinfo->model)); 1418 scsipi_strvis(serial, 41, diskinfo->serial, sizeof(diskinfo->serial)); 1419 scsipi_strvis(rev, 17, diskinfo->firmware_rev, 1420 sizeof(diskinfo->firmware_rev)); 1421 1422 snprintf(bd->bd_vendor, sizeof(bd->bd_vendor), "%s %s", model, rev); 1423 strlcpy(bd->bd_serial, serial, sizeof(bd->bd_serial)); 1424 1425 #if 0 1426 bd->bd_channel = diskinfo->scsi_attr.channel; 1427 bd->bd_target = diskinfo->scsi_attr.target; 1428 bd->bd_lun = diskinfo->scsi_attr.lun; 1429 #endif 1430 1431 /* 1432 * the firwmare doesnt seem to fill scsi_attr in, so fake it with 1433 * the diskid. 1434 */ 1435 bd->bd_channel = 0; 1436 bd->bd_target = diskid; 1437 bd->bd_lun = 0; 1438 } 1439 1440 static int 1441 arc_bio_disk_volume(struct arc_softc *sc, struct bioc_disk *bd) 1442 { 1443 struct arc_fw_raidinfo *raidinfo; 1444 struct arc_fw_volinfo *volinfo; 1445 struct arc_fw_diskinfo *diskinfo; 1446 uint8_t request[2]; 1447 int error = 0; 1448 1449 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP); 1450 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP); 1451 diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP); 1452 1453 error = arc_bio_getvol(sc, bd->bd_volid, volinfo); 1454 if (error != 0) 1455 goto out; 1456 1457 request[0] = ARC_FW_RAIDINFO; 1458 request[1] = volinfo->raid_set_number; 1459 1460 error = arc_msgbuf(sc, request, sizeof(request), raidinfo, 1461 sizeof(struct arc_fw_raidinfo)); 1462 if (error != 0) 1463 goto out; 1464 1465 if (bd->bd_diskid >= sc->sc_cchans || 1466 bd->bd_diskid >= raidinfo->member_devices) { 1467 error = ENODEV; 1468 goto out; 1469 } 1470 1471 if (raidinfo->device_array[bd->bd_diskid] == 0xff) { 1472 /* 1473 * The disk has been disconnected, mark it offline 1474 * and put it on another bus. 1475 */ 1476 bd->bd_channel = 1; 1477 bd->bd_target = 0; 1478 bd->bd_lun = 0; 1479 bd->bd_status = BIOC_SDOFFLINE; 1480 strlcpy(bd->bd_vendor, "disk missing", sizeof(bd->bd_vendor)); 1481 goto out; 1482 } 1483 1484 request[0] = ARC_FW_DISKINFO; 1485 request[1] = raidinfo->device_array[bd->bd_diskid]; 1486 error = arc_msgbuf(sc, request, sizeof(request), diskinfo, 1487 sizeof(struct arc_fw_diskinfo)); 1488 if (error != 0) 1489 goto out; 1490 1491 /* now fill our bio disk with data from the firmware */ 1492 arc_bio_disk_filldata(sc, bd, diskinfo, 1493 raidinfo->device_array[bd->bd_diskid]); 1494 1495 out: 1496 kmem_free(raidinfo, sizeof(*raidinfo)); 1497 kmem_free(volinfo, sizeof(*volinfo)); 1498 kmem_free(diskinfo, sizeof(*diskinfo)); 1499 return error; 1500 } 1501 #endif /* NBIO > 0 */ 1502 1503 uint8_t 1504 arc_msg_cksum(void *cmd, uint16_t len) 1505 { 1506 uint8_t *buf = cmd; 1507 uint8_t cksum; 1508 int i; 1509 1510 cksum = (uint8_t)(len >> 8) + (uint8_t)len; 1511 for (i = 0; i < len; i++) 1512 cksum += buf[i]; 1513 1514 return cksum; 1515 } 1516 1517 1518 int 1519 arc_msgbuf(struct arc_softc *sc, void *wptr, size_t wbuflen, void *rptr, 1520 size_t rbuflen) 1521 { 1522 uint8_t rwbuf[ARC_REG_IOC_RWBUF_MAXLEN]; 1523 uint8_t *wbuf, *rbuf; 1524 int wlen, wdone = 0, rlen, rdone = 0; 1525 struct arc_fw_bufhdr *bufhdr; 1526 uint32_t reg, rwlen; 1527 int error = 0; 1528 #ifdef ARC_DEBUG 1529 int i; 1530 #endif 1531 1532 wbuf = rbuf = NULL; 1533 1534 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wbuflen: %d rbuflen: %d\n", 1535 device_xname(&sc->sc_dev), wbuflen, rbuflen); 1536 1537 wlen = sizeof(struct arc_fw_bufhdr) + wbuflen + 1; /* 1 for cksum */ 1538 wbuf = kmem_alloc(wlen, KM_SLEEP); 1539 1540 rlen = sizeof(struct arc_fw_bufhdr) + rbuflen + 1; /* 1 for cksum */ 1541 rbuf = kmem_alloc(rlen, KM_SLEEP); 1542 1543 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wlen: %d rlen: %d\n", 1544 device_xname(&sc->sc_dev), wlen, rlen); 1545 1546 bufhdr = (struct arc_fw_bufhdr *)wbuf; 1547 bufhdr->hdr = arc_fw_hdr; 1548 bufhdr->len = htole16(wbuflen); 1549 memcpy(wbuf + sizeof(struct arc_fw_bufhdr), wptr, wbuflen); 1550 wbuf[wlen - 1] = arc_msg_cksum(wptr, wbuflen); 1551 1552 arc_lock(sc); 1553 if (arc_read(sc, ARC_REG_OUTB_DOORBELL) != 0) { 1554 error = EBUSY; 1555 goto out; 1556 } 1557 1558 reg = ARC_REG_OUTB_DOORBELL_READ_OK; 1559 1560 do { 1561 if ((reg & ARC_REG_OUTB_DOORBELL_READ_OK) && wdone < wlen) { 1562 memset(rwbuf, 0, sizeof(rwbuf)); 1563 rwlen = (wlen - wdone) % sizeof(rwbuf); 1564 memcpy(rwbuf, &wbuf[wdone], rwlen); 1565 1566 #ifdef ARC_DEBUG 1567 if (arcdebug & ARC_D_DB) { 1568 printf("%s: write %d:", 1569 device_xname(&sc->sc_dev), rwlen); 1570 for (i = 0; i < rwlen; i++) 1571 printf(" 0x%02x", rwbuf[i]); 1572 printf("\n"); 1573 } 1574 #endif 1575 1576 /* copy the chunk to the hw */ 1577 arc_write(sc, ARC_REG_IOC_WBUF_LEN, rwlen); 1578 arc_write_region(sc, ARC_REG_IOC_WBUF, rwbuf, 1579 sizeof(rwbuf)); 1580 1581 /* say we have a buffer for the hw */ 1582 arc_write(sc, ARC_REG_INB_DOORBELL, 1583 ARC_REG_INB_DOORBELL_WRITE_OK); 1584 1585 wdone += rwlen; 1586 } 1587 1588 while ((reg = arc_read(sc, ARC_REG_OUTB_DOORBELL)) == 0) 1589 arc_wait(sc); 1590 1591 arc_write(sc, ARC_REG_OUTB_DOORBELL, reg); 1592 1593 DNPRINTF(ARC_D_DB, "%s: reg: 0x%08x\n", 1594 device_xname(&sc->sc_dev), reg); 1595 1596 if ((reg & ARC_REG_OUTB_DOORBELL_WRITE_OK) && rdone < rlen) { 1597 rwlen = arc_read(sc, ARC_REG_IOC_RBUF_LEN); 1598 if (rwlen > sizeof(rwbuf)) { 1599 DNPRINTF(ARC_D_DB, "%s: rwlen too big\n", 1600 device_xname(&sc->sc_dev)); 1601 error = EIO; 1602 goto out; 1603 } 1604 1605 arc_read_region(sc, ARC_REG_IOC_RBUF, rwbuf, 1606 sizeof(rwbuf)); 1607 1608 arc_write(sc, ARC_REG_INB_DOORBELL, 1609 ARC_REG_INB_DOORBELL_READ_OK); 1610 1611 #ifdef ARC_DEBUG 1612 printf("%s: len: %d+%d=%d/%d\n", 1613 device_xname(&sc->sc_dev), 1614 rwlen, rdone, rwlen + rdone, rlen); 1615 if (arcdebug & ARC_D_DB) { 1616 printf("%s: read:", 1617 device_xname(&sc->sc_dev)); 1618 for (i = 0; i < rwlen; i++) 1619 printf(" 0x%02x", rwbuf[i]); 1620 printf("\n"); 1621 } 1622 #endif 1623 1624 if ((rdone + rwlen) > rlen) { 1625 DNPRINTF(ARC_D_DB, "%s: rwbuf too big\n", 1626 device_xname(&sc->sc_dev)); 1627 error = EIO; 1628 goto out; 1629 } 1630 1631 memcpy(&rbuf[rdone], rwbuf, rwlen); 1632 rdone += rwlen; 1633 } 1634 } while (rdone != rlen); 1635 1636 bufhdr = (struct arc_fw_bufhdr *)rbuf; 1637 if (memcmp(&bufhdr->hdr, &arc_fw_hdr, sizeof(bufhdr->hdr)) != 0 || 1638 bufhdr->len != htole16(rbuflen)) { 1639 DNPRINTF(ARC_D_DB, "%s: rbuf hdr is wrong\n", 1640 device_xname(&sc->sc_dev)); 1641 error = EIO; 1642 goto out; 1643 } 1644 1645 memcpy(rptr, rbuf + sizeof(struct arc_fw_bufhdr), rbuflen); 1646 1647 if (rbuf[rlen - 1] != arc_msg_cksum(rptr, rbuflen)) { 1648 DNPRINTF(ARC_D_DB, "%s: invalid cksum\n", 1649 device_xname(&sc->sc_dev)); 1650 error = EIO; 1651 goto out; 1652 } 1653 1654 out: 1655 arc_unlock(sc); 1656 kmem_free(wbuf, wlen); 1657 kmem_free(rbuf, rlen); 1658 1659 return error; 1660 } 1661 1662 void 1663 arc_lock(struct arc_softc *sc) 1664 { 1665 rw_enter(&sc->sc_rwlock, RW_WRITER); 1666 mutex_spin_enter(&sc->sc_mutex); 1667 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE); 1668 sc->sc_talking = 1; 1669 } 1670 1671 void 1672 arc_unlock(struct arc_softc *sc) 1673 { 1674 KASSERT(mutex_owned(&sc->sc_mutex)); 1675 1676 arc_write(sc, ARC_REG_INTRMASK, 1677 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL)); 1678 sc->sc_talking = 0; 1679 mutex_spin_exit(&sc->sc_mutex); 1680 rw_exit(&sc->sc_rwlock); 1681 } 1682 1683 void 1684 arc_wait(struct arc_softc *sc) 1685 { 1686 KASSERT(mutex_owned(&sc->sc_mutex)); 1687 1688 arc_write(sc, ARC_REG_INTRMASK, 1689 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL)); 1690 if (cv_timedwait(&sc->sc_condvar, &sc->sc_mutex, hz) == EWOULDBLOCK) 1691 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE); 1692 } 1693 1694 #if NBIO > 0 1695 static void 1696 arc_create_sensors(void *arg) 1697 { 1698 struct arc_softc *sc = arg; 1699 struct bioc_inq bi; 1700 struct bioc_vol bv; 1701 int i, j; 1702 size_t slen, count = 0; 1703 1704 memset(&bi, 0, sizeof(bi)); 1705 if (arc_bio_inq(sc, &bi) != 0) { 1706 aprint_error("%s: unable to query firmware for sensor info\n", 1707 device_xname(&sc->sc_dev)); 1708 kthread_exit(0); 1709 } 1710 1711 /* There's no point to continue if there are no volumes */ 1712 if (!bi.bi_novol) 1713 kthread_exit(0); 1714 1715 for (i = 0; i < bi.bi_novol; i++) { 1716 memset(&bv, 0, sizeof(bv)); 1717 bv.bv_volid = i; 1718 if (arc_bio_vol(sc, &bv) != 0) 1719 kthread_exit(0); 1720 1721 /* Skip passthrough volumes */ 1722 if (bv.bv_level == BIOC_SVOL_PASSTHRU) 1723 continue; 1724 1725 /* new volume found */ 1726 sc->sc_nsensors++; 1727 /* new disk in a volume found */ 1728 sc->sc_nsensors+= bv.bv_nodisk; 1729 } 1730 1731 /* No valid volumes */ 1732 if (!sc->sc_nsensors) 1733 kthread_exit(0); 1734 1735 sc->sc_sme = sysmon_envsys_create(); 1736 slen = sizeof(envsys_data_t) * sc->sc_nsensors; 1737 sc->sc_sensors = kmem_zalloc(slen, KM_SLEEP); 1738 1739 /* Attach sensors for volumes and disks */ 1740 for (i = 0; i < bi.bi_novol; i++) { 1741 memset(&bv, 0, sizeof(bv)); 1742 bv.bv_volid = i; 1743 if (arc_bio_vol(sc, &bv) != 0) 1744 goto bad; 1745 1746 sc->sc_sensors[count].units = ENVSYS_DRIVE; 1747 sc->sc_sensors[count].monitor = true; 1748 sc->sc_sensors[count].flags = ENVSYS_FMONSTCHANGED; 1749 1750 /* Skip passthrough volumes */ 1751 if (bv.bv_level == BIOC_SVOL_PASSTHRU) 1752 continue; 1753 1754 snprintf(sc->sc_sensors[count].desc, 1755 sizeof(sc->sc_sensors[count].desc), 1756 "RAID %d volume%d (%s)", bv.bv_level, i, bv.bv_dev); 1757 sc->sc_sensors[count].value_max = i; 1758 1759 if (sysmon_envsys_sensor_attach(sc->sc_sme, 1760 &sc->sc_sensors[count])) 1761 goto bad; 1762 1763 count++; 1764 1765 /* Attach disk sensors for this volume */ 1766 for (j = 0; j < bv.bv_nodisk; j++) { 1767 sc->sc_sensors[count].units = ENVSYS_DRIVE; 1768 sc->sc_sensors[count].monitor = true; 1769 sc->sc_sensors[count].flags = ENVSYS_FMONSTCHANGED; 1770 1771 snprintf(sc->sc_sensors[count].desc, 1772 sizeof(sc->sc_sensors[count].desc), 1773 "disk%d volume%d (%s)", j, i, bv.bv_dev); 1774 sc->sc_sensors[count].value_max = i; 1775 sc->sc_sensors[count].value_avg = j + 10; 1776 1777 if (sysmon_envsys_sensor_attach(sc->sc_sme, 1778 &sc->sc_sensors[count])) 1779 goto bad; 1780 1781 count++; 1782 } 1783 } 1784 1785 /* 1786 * Register our envsys driver with the framework now that the 1787 * sensors were all attached. 1788 */ 1789 sc->sc_sme->sme_name = device_xname(&sc->sc_dev); 1790 sc->sc_sme->sme_cookie = sc; 1791 sc->sc_sme->sme_refresh = arc_refresh_sensors; 1792 1793 if (sysmon_envsys_register(sc->sc_sme)) { 1794 aprint_debug("%s: unable to register with sysmon\n", 1795 device_xname(&sc->sc_dev)); 1796 goto bad; 1797 } 1798 kthread_exit(0); 1799 1800 bad: 1801 kmem_free(sc->sc_sensors, slen); 1802 sysmon_envsys_destroy(sc->sc_sme); 1803 kthread_exit(0); 1804 } 1805 1806 static void 1807 arc_refresh_sensors(struct sysmon_envsys *sme, envsys_data_t *edata) 1808 { 1809 struct arc_softc *sc = sme->sme_cookie; 1810 struct bioc_vol bv; 1811 struct bioc_disk bd; 1812 1813 /* sanity check */ 1814 if (edata->units != ENVSYS_DRIVE) 1815 return; 1816 1817 memset(&bv, 0, sizeof(bv)); 1818 bv.bv_volid = edata->value_max; 1819 1820 if (arc_bio_vol(sc, &bv)) { 1821 edata->value_cur = ENVSYS_DRIVE_EMPTY; 1822 edata->state = ENVSYS_SINVALID; 1823 return; 1824 } 1825 1826 /* Current sensor is handling a disk volume member */ 1827 if (edata->value_avg) { 1828 memset(&bd, 0, sizeof(bd)); 1829 bd.bd_volid = edata->value_max; 1830 bd.bd_diskid = edata->value_avg - 10; 1831 1832 if (arc_bio_disk_volume(sc, &bd)) { 1833 edata->value_cur = ENVSYS_DRIVE_OFFLINE; 1834 edata->state = ENVSYS_SCRITICAL; 1835 return; 1836 } 1837 1838 switch (bd.bd_status) { 1839 case BIOC_SDONLINE: 1840 edata->value_cur = ENVSYS_DRIVE_ONLINE; 1841 edata->state = ENVSYS_SVALID; 1842 break; 1843 case BIOC_SDOFFLINE: 1844 edata->value_cur = ENVSYS_DRIVE_OFFLINE; 1845 edata->state = ENVSYS_SCRITICAL; 1846 break; 1847 default: 1848 edata->value_cur = ENVSYS_DRIVE_FAIL; 1849 edata->state = ENVSYS_SCRITICAL; 1850 break; 1851 } 1852 1853 return; 1854 } 1855 1856 /* Current sensor is handling a volume */ 1857 switch (bv.bv_status) { 1858 case BIOC_SVOFFLINE: 1859 edata->value_cur = ENVSYS_DRIVE_OFFLINE; 1860 edata->state = ENVSYS_SCRITICAL; 1861 break; 1862 case BIOC_SVDEGRADED: 1863 edata->value_cur = ENVSYS_DRIVE_PFAIL; 1864 edata->state = ENVSYS_SCRITICAL; 1865 break; 1866 case BIOC_SVBUILDING: 1867 edata->value_cur = ENVSYS_DRIVE_BUILD; 1868 edata->state = ENVSYS_SVALID; 1869 break; 1870 case BIOC_SVMIGRATING: 1871 edata->value_cur = ENVSYS_DRIVE_MIGRATING; 1872 edata->state = ENVSYS_SVALID; 1873 break; 1874 case BIOC_SVCHECKING: 1875 edata->value_cur = ENVSYS_DRIVE_CHECK; 1876 edata->state = ENVSYS_SVALID; 1877 break; 1878 case BIOC_SVREBUILD: 1879 edata->value_cur = ENVSYS_DRIVE_REBUILD; 1880 edata->state = ENVSYS_SCRITICAL; 1881 break; 1882 case BIOC_SVSCRUB: 1883 case BIOC_SVONLINE: 1884 edata->value_cur = ENVSYS_DRIVE_ONLINE; 1885 edata->state = ENVSYS_SVALID; 1886 break; 1887 case BIOC_SVINVALID: 1888 /* FALLTHROUGH */ 1889 default: 1890 edata->value_cur = ENVSYS_DRIVE_EMPTY; /* unknown state */ 1891 edata->state = ENVSYS_SINVALID; 1892 break; 1893 } 1894 } 1895 #endif /* NBIO > 0 */ 1896 1897 uint32_t 1898 arc_read(struct arc_softc *sc, bus_size_t r) 1899 { 1900 uint32_t v; 1901 1902 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, 1903 BUS_SPACE_BARRIER_READ); 1904 v = bus_space_read_4(sc->sc_iot, sc->sc_ioh, r); 1905 1906 DNPRINTF(ARC_D_RW, "%s: arc_read 0x%lx 0x%08x\n", 1907 device_xname(&sc->sc_dev), r, v); 1908 1909 return v; 1910 } 1911 1912 void 1913 arc_read_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len) 1914 { 1915 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len, 1916 BUS_SPACE_BARRIER_READ); 1917 bus_space_read_region_4(sc->sc_iot, sc->sc_ioh, r, 1918 (uint32_t *)buf, len >> 2); 1919 } 1920 1921 void 1922 arc_write(struct arc_softc *sc, bus_size_t r, uint32_t v) 1923 { 1924 DNPRINTF(ARC_D_RW, "%s: arc_write 0x%lx 0x%08x\n", 1925 device_xname(&sc->sc_dev), r, v); 1926 1927 bus_space_write_4(sc->sc_iot, sc->sc_ioh, r, v); 1928 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, 1929 BUS_SPACE_BARRIER_WRITE); 1930 } 1931 1932 void 1933 arc_write_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len) 1934 { 1935 bus_space_write_region_4(sc->sc_iot, sc->sc_ioh, r, 1936 (const uint32_t *)buf, len >> 2); 1937 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len, 1938 BUS_SPACE_BARRIER_WRITE); 1939 } 1940 1941 int 1942 arc_wait_eq(struct arc_softc *sc, bus_size_t r, uint32_t mask, 1943 uint32_t target) 1944 { 1945 int i; 1946 1947 DNPRINTF(ARC_D_RW, "%s: arc_wait_eq 0x%lx 0x%08x 0x%08x\n", 1948 device_xname(&sc->sc_dev), r, mask, target); 1949 1950 for (i = 0; i < 10000; i++) { 1951 if ((arc_read(sc, r) & mask) == target) 1952 return 0; 1953 delay(1000); 1954 } 1955 1956 return 1; 1957 } 1958 1959 int 1960 arc_wait_ne(struct arc_softc *sc, bus_size_t r, uint32_t mask, 1961 uint32_t target) 1962 { 1963 int i; 1964 1965 DNPRINTF(ARC_D_RW, "%s: arc_wait_ne 0x%lx 0x%08x 0x%08x\n", 1966 device_xname(&sc->sc_dev), r, mask, target); 1967 1968 for (i = 0; i < 10000; i++) { 1969 if ((arc_read(sc, r) & mask) != target) 1970 return 0; 1971 delay(1000); 1972 } 1973 1974 return 1; 1975 } 1976 1977 int 1978 arc_msg0(struct arc_softc *sc, uint32_t m) 1979 { 1980 /* post message */ 1981 arc_write(sc, ARC_REG_INB_MSG0, m); 1982 /* wait for the fw to do it */ 1983 if (arc_wait_eq(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0, 1984 ARC_REG_INTRSTAT_MSG0) != 0) 1985 return 1; 1986 1987 /* ack it */ 1988 arc_write(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0); 1989 1990 return 0; 1991 } 1992 1993 struct arc_dmamem * 1994 arc_dmamem_alloc(struct arc_softc *sc, size_t size) 1995 { 1996 struct arc_dmamem *adm; 1997 int nsegs; 1998 1999 adm = kmem_zalloc(sizeof(*adm), KM_NOSLEEP); 2000 if (adm == NULL) 2001 return NULL; 2002 2003 adm->adm_size = size; 2004 2005 if (bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 2006 BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW, &adm->adm_map) != 0) 2007 goto admfree; 2008 2009 if (bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &adm->adm_seg, 2010 1, &nsegs, BUS_DMA_NOWAIT) != 0) 2011 goto destroy; 2012 2013 if (bus_dmamem_map(sc->sc_dmat, &adm->adm_seg, nsegs, size, 2014 &adm->adm_kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT) != 0) 2015 goto free; 2016 2017 if (bus_dmamap_load(sc->sc_dmat, adm->adm_map, adm->adm_kva, size, 2018 NULL, BUS_DMA_NOWAIT) != 0) 2019 goto unmap; 2020 2021 memset(adm->adm_kva, 0, size); 2022 2023 return adm; 2024 2025 unmap: 2026 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, size); 2027 free: 2028 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1); 2029 destroy: 2030 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map); 2031 admfree: 2032 kmem_free(adm, sizeof(*adm)); 2033 2034 return NULL; 2035 } 2036 2037 void 2038 arc_dmamem_free(struct arc_softc *sc, struct arc_dmamem *adm) 2039 { 2040 bus_dmamap_unload(sc->sc_dmat, adm->adm_map); 2041 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, adm->adm_size); 2042 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1); 2043 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map); 2044 kmem_free(adm, sizeof(*adm)); 2045 } 2046 2047 int 2048 arc_alloc_ccbs(struct arc_softc *sc) 2049 { 2050 struct arc_ccb *ccb; 2051 uint8_t *cmd; 2052 int i; 2053 size_t ccbslen; 2054 2055 TAILQ_INIT(&sc->sc_ccb_free); 2056 2057 ccbslen = sizeof(struct arc_ccb) * sc->sc_req_count; 2058 sc->sc_ccbs = kmem_zalloc(ccbslen, KM_SLEEP); 2059 2060 sc->sc_requests = arc_dmamem_alloc(sc, 2061 ARC_MAX_IOCMDLEN * sc->sc_req_count); 2062 if (sc->sc_requests == NULL) { 2063 aprint_error("%s: unable to allocate ccb dmamem\n", 2064 device_xname(&sc->sc_dev)); 2065 goto free_ccbs; 2066 } 2067 cmd = ARC_DMA_KVA(sc->sc_requests); 2068 2069 for (i = 0; i < sc->sc_req_count; i++) { 2070 ccb = &sc->sc_ccbs[i]; 2071 2072 if (bus_dmamap_create(sc->sc_dmat, MAXPHYS, ARC_SGL_MAXLEN, 2073 MAXPHYS, 0, 0, &ccb->ccb_dmamap) != 0) { 2074 aprint_error("%s: unable to create dmamap for ccb %d\n", 2075 device_xname(&sc->sc_dev), i); 2076 goto free_maps; 2077 } 2078 2079 ccb->ccb_sc = sc; 2080 ccb->ccb_id = i; 2081 ccb->ccb_offset = ARC_MAX_IOCMDLEN * i; 2082 2083 ccb->ccb_cmd = (struct arc_io_cmd *)&cmd[ccb->ccb_offset]; 2084 ccb->ccb_cmd_post = (ARC_DMA_DVA(sc->sc_requests) + 2085 ccb->ccb_offset) >> ARC_REG_POST_QUEUE_ADDR_SHIFT; 2086 2087 arc_put_ccb(sc, ccb); 2088 } 2089 2090 return 0; 2091 2092 free_maps: 2093 while ((ccb = arc_get_ccb(sc)) != NULL) 2094 bus_dmamap_destroy(sc->sc_dmat, ccb->ccb_dmamap); 2095 arc_dmamem_free(sc, sc->sc_requests); 2096 2097 free_ccbs: 2098 kmem_free(sc->sc_ccbs, ccbslen); 2099 2100 return 1; 2101 } 2102 2103 struct arc_ccb * 2104 arc_get_ccb(struct arc_softc *sc) 2105 { 2106 struct arc_ccb *ccb; 2107 2108 ccb = TAILQ_FIRST(&sc->sc_ccb_free); 2109 if (ccb != NULL) 2110 TAILQ_REMOVE(&sc->sc_ccb_free, ccb, ccb_link); 2111 2112 return ccb; 2113 } 2114 2115 void 2116 arc_put_ccb(struct arc_softc *sc, struct arc_ccb *ccb) 2117 { 2118 ccb->ccb_xs = NULL; 2119 memset(ccb->ccb_cmd, 0, ARC_MAX_IOCMDLEN); 2120 TAILQ_INSERT_TAIL(&sc->sc_ccb_free, ccb, ccb_link); 2121 } 2122
Indexes created Mon Sep 29 21:09:56 GMT 2025