1 /* $NetBSD: arcmsr.c,v 1.32 2015/03/12 15:33:10 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@netbsd.org> 6 * Copyright (c) 2006 David Gwynne <dlg@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 1.32 2015/03/12 15:33:10 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 scsipi_strvis(string, 81, fwinfo.vendor, sizeof(fwinfo.vendor)); 639 DNPRINTF(ARC_D_INIT, "%s: vendor: \"%s\"\n", 640 device_xname(self), string); 641 642 scsipi_strvis(string, 17, fwinfo.model, sizeof(fwinfo.model)); 643 aprint_normal_dev(self, "Areca %s Host Adapter RAID controller\n", 644 string); 645 646 scsipi_strvis(string, 33, fwinfo.fw_version, sizeof(fwinfo.fw_version)); 647 DNPRINTF(ARC_D_INIT, "%s: version: \"%s\"\n", 648 device_xname(self), string); 649 650 aprint_normal_dev(self, "%d ports, %dMB SDRAM, firmware <%s>\n", 651 htole32(fwinfo.sata_ports), htole32(fwinfo.sdram_size), string); 652 653 if (htole32(fwinfo.request_len) != ARC_MAX_IOCMDLEN) { 654 aprint_error_dev(self, 655 "unexpected request frame size (%d != %d)\n", 656 htole32(fwinfo.request_len), ARC_MAX_IOCMDLEN); 657 return 1; 658 } 659 660 sc->sc_req_count = htole32(fwinfo.queue_len); 661 662 return 0; 663 } 664 665 #if NBIO > 0 666 static int 667 arc_bioctl(device_t self, u_long cmd, void *addr) 668 { 669 struct arc_softc *sc = device_private(self); 670 int error = 0; 671 672 switch (cmd) { 673 case BIOCINQ: 674 error = arc_bio_inq(sc, (struct bioc_inq *)addr); 675 break; 676 677 case BIOCVOL: 678 error = arc_bio_vol(sc, (struct bioc_vol *)addr); 679 break; 680 681 case BIOCDISK: 682 error = arc_bio_disk_volume(sc, (struct bioc_disk *)addr); 683 break; 684 685 case BIOCDISK_NOVOL: 686 error = arc_bio_disk_novol(sc, (struct bioc_disk *)addr); 687 break; 688 689 case BIOCALARM: 690 error = arc_bio_alarm(sc, (struct bioc_alarm *)addr); 691 break; 692 693 case BIOCSETSTATE: 694 error = arc_bio_setstate(sc, (struct bioc_setstate *)addr); 695 break; 696 697 case BIOCVOLOPS: 698 error = arc_bio_volops(sc, (struct bioc_volops *)addr); 699 break; 700 701 default: 702 error = ENOTTY; 703 break; 704 } 705 706 return error; 707 } 708 709 static int 710 arc_fw_parse_status_code(struct arc_softc *sc, uint8_t *reply) 711 { 712 switch (*reply) { 713 case ARC_FW_CMD_RAIDINVAL: 714 printf("%s: firmware error (invalid raid set)\n", 715 device_xname(sc->sc_dev)); 716 return EINVAL; 717 case ARC_FW_CMD_VOLINVAL: 718 printf("%s: firmware error (invalid volume set)\n", 719 device_xname(sc->sc_dev)); 720 return EINVAL; 721 case ARC_FW_CMD_NORAID: 722 printf("%s: firmware error (unexistent raid set)\n", 723 device_xname(sc->sc_dev)); 724 return ENODEV; 725 case ARC_FW_CMD_NOVOLUME: 726 printf("%s: firmware error (unexistent volume set)\n", 727 device_xname(sc->sc_dev)); 728 return ENODEV; 729 case ARC_FW_CMD_NOPHYSDRV: 730 printf("%s: firmware error (unexistent physical drive)\n", 731 device_xname(sc->sc_dev)); 732 return ENODEV; 733 case ARC_FW_CMD_PARAM_ERR: 734 printf("%s: firmware error (parameter error)\n", 735 device_xname(sc->sc_dev)); 736 return EINVAL; 737 case ARC_FW_CMD_UNSUPPORTED: 738 printf("%s: firmware error (unsupported command)\n", 739 device_xname(sc->sc_dev)); 740 return EOPNOTSUPP; 741 case ARC_FW_CMD_DISKCFG_CHGD: 742 printf("%s: firmware error (disk configuration changed)\n", 743 device_xname(sc->sc_dev)); 744 return EINVAL; 745 case ARC_FW_CMD_PASS_INVAL: 746 printf("%s: firmware error (invalid password)\n", 747 device_xname(sc->sc_dev)); 748 return EINVAL; 749 case ARC_FW_CMD_NODISKSPACE: 750 printf("%s: firmware error (no disk space available)\n", 751 device_xname(sc->sc_dev)); 752 return EOPNOTSUPP; 753 case ARC_FW_CMD_CHECKSUM_ERR: 754 printf("%s: firmware error (checksum error)\n", 755 device_xname(sc->sc_dev)); 756 return EINVAL; 757 case ARC_FW_CMD_PASS_REQD: 758 printf("%s: firmware error (password required)\n", 759 device_xname(sc->sc_dev)); 760 return EPERM; 761 case ARC_FW_CMD_OK: 762 default: 763 return 0; 764 } 765 } 766 767 static int 768 arc_bio_alarm(struct arc_softc *sc, struct bioc_alarm *ba) 769 { 770 uint8_t request[2], reply[1]; 771 size_t len; 772 int error = 0; 773 774 switch (ba->ba_opcode) { 775 case BIOC_SAENABLE: 776 case BIOC_SADISABLE: 777 request[0] = ARC_FW_SET_ALARM; 778 request[1] = (ba->ba_opcode == BIOC_SAENABLE) ? 779 ARC_FW_SET_ALARM_ENABLE : ARC_FW_SET_ALARM_DISABLE; 780 len = sizeof(request); 781 782 break; 783 784 case BIOC_SASILENCE: 785 request[0] = ARC_FW_MUTE_ALARM; 786 len = 1; 787 788 break; 789 790 case BIOC_GASTATUS: 791 /* system info is too big/ugly to deal with here */ 792 return arc_bio_alarm_state(sc, ba); 793 794 default: 795 return EOPNOTSUPP; 796 } 797 798 error = arc_msgbuf(sc, request, len, reply, sizeof(reply)); 799 if (error != 0) 800 return error; 801 802 return arc_fw_parse_status_code(sc, &reply[0]); 803 } 804 805 static int 806 arc_bio_alarm_state(struct arc_softc *sc, struct bioc_alarm *ba) 807 { 808 struct arc_fw_sysinfo *sysinfo; 809 uint8_t request; 810 int error = 0; 811 812 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP); 813 814 request = ARC_FW_SYSINFO; 815 error = arc_msgbuf(sc, &request, sizeof(request), 816 sysinfo, sizeof(struct arc_fw_sysinfo)); 817 818 if (error != 0) 819 goto out; 820 821 ba->ba_status = sysinfo->alarm; 822 823 out: 824 kmem_free(sysinfo, sizeof(*sysinfo)); 825 return error; 826 } 827 828 static int 829 arc_bio_volops(struct arc_softc *sc, struct bioc_volops *bc) 830 { 831 /* to create a raid set */ 832 struct req_craidset { 833 uint8_t cmdcode; 834 uint32_t devmask; 835 uint8_t raidset_name[16]; 836 } __packed; 837 838 /* to create a volume set */ 839 struct req_cvolset { 840 uint8_t cmdcode; 841 uint8_t raidset; 842 uint8_t volset_name[16]; 843 uint64_t capacity; 844 uint8_t raidlevel; 845 uint8_t stripe; 846 uint8_t scsi_chan; 847 uint8_t scsi_target; 848 uint8_t scsi_lun; 849 uint8_t tagqueue; 850 uint8_t cache; 851 uint8_t speed; 852 uint8_t quick_init; 853 } __packed; 854 855 struct scsibus_softc *scsibus_sc = NULL; 856 struct req_craidset req_craidset; 857 struct req_cvolset req_cvolset; 858 uint8_t request[2]; 859 uint8_t reply[1]; 860 int error = 0; 861 862 switch (bc->bc_opcode) { 863 case BIOC_VCREATE_VOLUME: 864 { 865 /* 866 * Zero out the structs so that we use some defaults 867 * in raid and volume sets. 868 */ 869 memset(&req_craidset, 0, sizeof(req_craidset)); 870 memset(&req_cvolset, 0, sizeof(req_cvolset)); 871 872 /* 873 * Firstly we have to create the raid set and 874 * use the default name for all them. 875 */ 876 req_craidset.cmdcode = ARC_FW_CREATE_RAIDSET; 877 req_craidset.devmask = bc->bc_devmask; 878 error = arc_msgbuf(sc, &req_craidset, sizeof(req_craidset), 879 reply, sizeof(reply)); 880 if (error != 0) 881 return error; 882 883 error = arc_fw_parse_status_code(sc, &reply[0]); 884 if (error) { 885 printf("%s: create raidset%d failed\n", 886 device_xname(sc->sc_dev), bc->bc_volid); 887 return error; 888 } 889 890 /* 891 * At this point the raid set was created, so it's 892 * time to create the volume set. 893 */ 894 req_cvolset.cmdcode = ARC_FW_CREATE_VOLUME; 895 req_cvolset.raidset = bc->bc_volid; 896 req_cvolset.capacity = bc->bc_size * ARC_BLOCKSIZE; 897 898 /* 899 * Set the RAID level. 900 */ 901 switch (bc->bc_level) { 902 case 0: 903 case 1: 904 req_cvolset.raidlevel = bc->bc_level; 905 break; 906 case BIOC_SVOL_RAID10: 907 req_cvolset.raidlevel = 1; 908 break; 909 case 3: 910 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_3; 911 break; 912 case 5: 913 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_5; 914 break; 915 case 6: 916 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_6; 917 break; 918 default: 919 return EOPNOTSUPP; 920 } 921 922 /* 923 * Set the stripe size. 924 */ 925 switch (bc->bc_stripe) { 926 case 4: 927 req_cvolset.stripe = 0; 928 break; 929 case 8: 930 req_cvolset.stripe = 1; 931 break; 932 case 16: 933 req_cvolset.stripe = 2; 934 break; 935 case 32: 936 req_cvolset.stripe = 3; 937 break; 938 case 64: 939 req_cvolset.stripe = 4; 940 break; 941 case 128: 942 req_cvolset.stripe = 5; 943 break; 944 default: 945 req_cvolset.stripe = 4; /* by default 64K */ 946 break; 947 } 948 949 req_cvolset.scsi_chan = bc->bc_channel; 950 req_cvolset.scsi_target = bc->bc_target; 951 req_cvolset.scsi_lun = bc->bc_lun; 952 req_cvolset.tagqueue = 1; /* always enabled */ 953 req_cvolset.cache = 1; /* always enabled */ 954 req_cvolset.speed = 4; /* always max speed */ 955 956 /* RAID 1 and 1+0 levels need foreground initialization */ 957 if (bc->bc_level == 1 || bc->bc_level == BIOC_SVOL_RAID10) 958 req_cvolset.quick_init = 1; /* foreground init */ 959 960 error = arc_msgbuf(sc, &req_cvolset, sizeof(req_cvolset), 961 reply, sizeof(reply)); 962 if (error != 0) 963 return error; 964 965 error = arc_fw_parse_status_code(sc, &reply[0]); 966 if (error) { 967 printf("%s: create volumeset%d failed\n", 968 device_xname(sc->sc_dev), bc->bc_volid); 969 return error; 970 } 971 972 /* 973 * If we are creating a RAID 1 or RAID 1+0 volume, 974 * the volume will be created immediately but it won't 975 * be available until the initialization is done... so 976 * don't bother attaching the sd(4) device. 977 */ 978 if (bc->bc_level == 1 || bc->bc_level == BIOC_SVOL_RAID10) 979 break; 980 981 /* 982 * Do a rescan on the bus to attach the device associated 983 * with the new volume. 984 */ 985 scsibus_sc = device_private(sc->sc_scsibus_dv); 986 (void)scsi_probe_bus(scsibus_sc, bc->bc_target, bc->bc_lun); 987 988 break; 989 } 990 case BIOC_VREMOVE_VOLUME: 991 { 992 /* 993 * Remove the volume set specified in bc_volid. 994 */ 995 request[0] = ARC_FW_DELETE_VOLUME; 996 request[1] = bc->bc_volid; 997 error = arc_msgbuf(sc, request, sizeof(request), 998 reply, sizeof(reply)); 999 if (error != 0) 1000 return error; 1001 1002 error = arc_fw_parse_status_code(sc, &reply[0]); 1003 if (error) { 1004 printf("%s: delete volumeset%d failed\n", 1005 device_xname(sc->sc_dev), bc->bc_volid); 1006 return error; 1007 } 1008 1009 /* 1010 * Detach the sd(4) device associated with the volume, 1011 * but if there's an error don't make it a priority. 1012 */ 1013 error = scsipi_target_detach(&sc->sc_chan, bc->bc_target, 1014 bc->bc_lun, 0); 1015 if (error) 1016 printf("%s: couldn't detach sd device for volume %d " 1017 "at %u:%u.%u (error=%d)\n", 1018 device_xname(sc->sc_dev), bc->bc_volid, 1019 bc->bc_channel, bc->bc_target, bc->bc_lun, error); 1020 1021 /* 1022 * and remove the raid set specified in bc_volid, 1023 * we only care about volumes. 1024 */ 1025 request[0] = ARC_FW_DELETE_RAIDSET; 1026 request[1] = bc->bc_volid; 1027 error = arc_msgbuf(sc, request, sizeof(request), 1028 reply, sizeof(reply)); 1029 if (error != 0) 1030 return error; 1031 1032 error = arc_fw_parse_status_code(sc, &reply[0]); 1033 if (error) { 1034 printf("%s: delete raidset%d failed\n", 1035 device_xname(sc->sc_dev), bc->bc_volid); 1036 return error; 1037 } 1038 1039 break; 1040 } 1041 default: 1042 return EOPNOTSUPP; 1043 } 1044 1045 return error; 1046 } 1047 1048 static int 1049 arc_bio_setstate(struct arc_softc *sc, struct bioc_setstate *bs) 1050 { 1051 /* for a hotspare disk */ 1052 struct request_hs { 1053 uint8_t cmdcode; 1054 uint32_t devmask; 1055 } __packed; 1056 1057 /* for a pass-through disk */ 1058 struct request_pt { 1059 uint8_t cmdcode; 1060 uint8_t devid; 1061 uint8_t scsi_chan; 1062 uint8_t scsi_id; 1063 uint8_t scsi_lun; 1064 uint8_t tagged_queue; 1065 uint8_t cache_mode; 1066 uint8_t max_speed; 1067 } __packed; 1068 1069 struct scsibus_softc *scsibus_sc = NULL; 1070 struct request_hs req_hs; /* to add/remove hotspare */ 1071 struct request_pt req_pt; /* to add a pass-through */ 1072 uint8_t req_gen[2]; 1073 uint8_t reply[1]; 1074 int error = 0; 1075 1076 switch (bs->bs_status) { 1077 case BIOC_SSHOTSPARE: 1078 { 1079 req_hs.cmdcode = ARC_FW_CREATE_HOTSPARE; 1080 req_hs.devmask = (1 << bs->bs_target); 1081 goto hotspare; 1082 } 1083 case BIOC_SSDELHOTSPARE: 1084 { 1085 req_hs.cmdcode = ARC_FW_DELETE_HOTSPARE; 1086 req_hs.devmask = (1 << bs->bs_target); 1087 goto hotspare; 1088 } 1089 case BIOC_SSPASSTHRU: 1090 { 1091 req_pt.cmdcode = ARC_FW_CREATE_PASSTHRU; 1092 req_pt.devid = bs->bs_other_id; /* this wants device# */ 1093 req_pt.scsi_chan = bs->bs_channel; 1094 req_pt.scsi_id = bs->bs_target; 1095 req_pt.scsi_lun = bs->bs_lun; 1096 req_pt.tagged_queue = 1; /* always enabled */ 1097 req_pt.cache_mode = 1; /* always enabled */ 1098 req_pt.max_speed = 4; /* always max speed */ 1099 1100 error = arc_msgbuf(sc, &req_pt, sizeof(req_pt), 1101 reply, sizeof(reply)); 1102 if (error != 0) 1103 return error; 1104 1105 /* 1106 * Do a rescan on the bus to attach the new device 1107 * associated with the pass-through disk. 1108 */ 1109 scsibus_sc = device_private(sc->sc_scsibus_dv); 1110 (void)scsi_probe_bus(scsibus_sc, bs->bs_target, bs->bs_lun); 1111 1112 goto out; 1113 } 1114 case BIOC_SSDELPASSTHRU: 1115 { 1116 req_gen[0] = ARC_FW_DELETE_PASSTHRU; 1117 req_gen[1] = bs->bs_target; 1118 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen), 1119 reply, sizeof(reply)); 1120 if (error != 0) 1121 return error; 1122 1123 /* 1124 * Detach the sd device associated with this pass-through disk. 1125 */ 1126 error = scsipi_target_detach(&sc->sc_chan, bs->bs_target, 1127 bs->bs_lun, 0); 1128 if (error) 1129 printf("%s: couldn't detach sd device for the " 1130 "pass-through disk at %u:%u.%u (error=%d)\n", 1131 device_xname(sc->sc_dev), 1132 bs->bs_channel, bs->bs_target, bs->bs_lun, error); 1133 1134 goto out; 1135 } 1136 case BIOC_SSCHECKSTART_VOL: 1137 { 1138 req_gen[0] = ARC_FW_START_CHECKVOL; 1139 req_gen[1] = bs->bs_volid; 1140 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen), 1141 reply, sizeof(reply)); 1142 if (error != 0) 1143 return error; 1144 1145 goto out; 1146 } 1147 case BIOC_SSCHECKSTOP_VOL: 1148 { 1149 uint8_t req = ARC_FW_STOP_CHECKVOL; 1150 error = arc_msgbuf(sc, &req, 1, reply, sizeof(reply)); 1151 if (error != 0) 1152 return error; 1153 1154 goto out; 1155 } 1156 default: 1157 return EOPNOTSUPP; 1158 } 1159 1160 hotspare: 1161 error = arc_msgbuf(sc, &req_hs, sizeof(req_hs), 1162 reply, sizeof(reply)); 1163 if (error != 0) 1164 return error; 1165 1166 out: 1167 return arc_fw_parse_status_code(sc, &reply[0]); 1168 } 1169 1170 static int 1171 arc_bio_inq(struct arc_softc *sc, struct bioc_inq *bi) 1172 { 1173 uint8_t request[2]; 1174 struct arc_fw_sysinfo *sysinfo = NULL; 1175 struct arc_fw_raidinfo *raidinfo; 1176 int nvols = 0, i; 1177 int error = 0; 1178 1179 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP); 1180 1181 if (!sc->sc_maxraidset || !sc->sc_maxvolset || !sc->sc_cchans) { 1182 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP); 1183 1184 request[0] = ARC_FW_SYSINFO; 1185 error = arc_msgbuf(sc, request, 1, sysinfo, 1186 sizeof(struct arc_fw_sysinfo)); 1187 if (error != 0) 1188 goto out; 1189 1190 sc->sc_maxraidset = sysinfo->max_raid_set; 1191 sc->sc_maxvolset = sysinfo->max_volume_set; 1192 sc->sc_cchans = sysinfo->ide_channels; 1193 } 1194 1195 request[0] = ARC_FW_RAIDINFO; 1196 for (i = 0; i < sc->sc_maxraidset; i++) { 1197 request[1] = i; 1198 error = arc_msgbuf(sc, request, sizeof(request), raidinfo, 1199 sizeof(struct arc_fw_raidinfo)); 1200 if (error != 0) 1201 goto out; 1202 1203 nvols += raidinfo->volumes; 1204 } 1205 1206 strlcpy(bi->bi_dev, device_xname(sc->sc_dev), sizeof(bi->bi_dev)); 1207 bi->bi_novol = nvols; 1208 bi->bi_nodisk = sc->sc_cchans; 1209 1210 out: 1211 if (sysinfo) 1212 kmem_free(sysinfo, sizeof(*sysinfo)); 1213 kmem_free(raidinfo, sizeof(*raidinfo)); 1214 return error; 1215 } 1216 1217 static int 1218 arc_bio_getvol(struct arc_softc *sc, int vol, struct arc_fw_volinfo *volinfo) 1219 { 1220 uint8_t request[2]; 1221 int error = 0; 1222 int nvols = 0, i; 1223 1224 request[0] = ARC_FW_VOLINFO; 1225 for (i = 0; i < sc->sc_maxvolset; i++) { 1226 request[1] = i; 1227 error = arc_msgbuf(sc, request, sizeof(request), volinfo, 1228 sizeof(struct arc_fw_volinfo)); 1229 if (error != 0) 1230 goto out; 1231 1232 if (volinfo->capacity == 0 && volinfo->capacity2 == 0) 1233 continue; 1234 1235 if (nvols == vol) 1236 break; 1237 1238 nvols++; 1239 } 1240 1241 if (nvols != vol || 1242 (volinfo->capacity == 0 && volinfo->capacity2 == 0)) { 1243 error = ENODEV; 1244 goto out; 1245 } 1246 1247 out: 1248 return error; 1249 } 1250 1251 static int 1252 arc_bio_vol(struct arc_softc *sc, struct bioc_vol *bv) 1253 { 1254 struct arc_fw_volinfo *volinfo; 1255 uint64_t blocks; 1256 uint32_t status; 1257 int error = 0; 1258 1259 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP); 1260 1261 error = arc_bio_getvol(sc, bv->bv_volid, volinfo); 1262 if (error != 0) 1263 goto out; 1264 1265 bv->bv_percent = -1; 1266 bv->bv_seconds = 0; 1267 1268 status = htole32(volinfo->volume_status); 1269 if (status == 0x0) { 1270 if (htole32(volinfo->fail_mask) == 0x0) 1271 bv->bv_status = BIOC_SVONLINE; 1272 else 1273 bv->bv_status = BIOC_SVDEGRADED; 1274 } else if (status & ARC_FW_VOL_STATUS_NEED_REGEN) { 1275 bv->bv_status = BIOC_SVDEGRADED; 1276 } else if (status & ARC_FW_VOL_STATUS_FAILED) { 1277 bv->bv_status = BIOC_SVOFFLINE; 1278 } else if (status & ARC_FW_VOL_STATUS_INITTING) { 1279 bv->bv_status = BIOC_SVBUILDING; 1280 bv->bv_percent = htole32(volinfo->progress); 1281 } else if (status & ARC_FW_VOL_STATUS_REBUILDING) { 1282 bv->bv_status = BIOC_SVREBUILD; 1283 bv->bv_percent = htole32(volinfo->progress); 1284 } else if (status & ARC_FW_VOL_STATUS_MIGRATING) { 1285 bv->bv_status = BIOC_SVMIGRATING; 1286 bv->bv_percent = htole32(volinfo->progress); 1287 } else if (status & ARC_FW_VOL_STATUS_CHECKING) { 1288 bv->bv_status = BIOC_SVCHECKING; 1289 bv->bv_percent = htole32(volinfo->progress); 1290 } else if (status & ARC_FW_VOL_STATUS_NEED_INIT) { 1291 bv->bv_status = BIOC_SVOFFLINE; 1292 } else { 1293 printf("%s: volume %d status 0x%x\n", 1294 device_xname(sc->sc_dev), bv->bv_volid, status); 1295 } 1296 1297 blocks = (uint64_t)htole32(volinfo->capacity2) << 32; 1298 blocks += (uint64_t)htole32(volinfo->capacity); 1299 bv->bv_size = blocks * ARC_BLOCKSIZE; /* XXX */ 1300 1301 switch (volinfo->raid_level) { 1302 case ARC_FW_VOL_RAIDLEVEL_0: 1303 bv->bv_level = 0; 1304 break; 1305 case ARC_FW_VOL_RAIDLEVEL_1: 1306 if (volinfo->member_disks > 2) 1307 bv->bv_level = BIOC_SVOL_RAID10; 1308 else 1309 bv->bv_level = 1; 1310 break; 1311 case ARC_FW_VOL_RAIDLEVEL_3: 1312 bv->bv_level = 3; 1313 break; 1314 case ARC_FW_VOL_RAIDLEVEL_5: 1315 bv->bv_level = 5; 1316 break; 1317 case ARC_FW_VOL_RAIDLEVEL_6: 1318 bv->bv_level = 6; 1319 break; 1320 case ARC_FW_VOL_RAIDLEVEL_PASSTHRU: 1321 bv->bv_level = BIOC_SVOL_PASSTHRU; 1322 break; 1323 default: 1324 bv->bv_level = -1; 1325 break; 1326 } 1327 1328 bv->bv_nodisk = volinfo->member_disks; 1329 bv->bv_stripe_size = volinfo->stripe_size / 2; 1330 snprintf(bv->bv_dev, sizeof(bv->bv_dev), "sd%d", bv->bv_volid); 1331 scsipi_strvis(bv->bv_vendor, sizeof(bv->bv_vendor), volinfo->set_name, 1332 sizeof(volinfo->set_name)); 1333 1334 out: 1335 kmem_free(volinfo, sizeof(*volinfo)); 1336 return error; 1337 } 1338 1339 static int 1340 arc_bio_disk_novol(struct arc_softc *sc, struct bioc_disk *bd) 1341 { 1342 struct arc_fw_diskinfo *diskinfo; 1343 uint8_t request[2]; 1344 int error = 0; 1345 1346 diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP); 1347 1348 if (bd->bd_diskid >= sc->sc_cchans) { 1349 error = ENODEV; 1350 goto out; 1351 } 1352 1353 request[0] = ARC_FW_DISKINFO; 1354 request[1] = bd->bd_diskid; 1355 error = arc_msgbuf(sc, request, sizeof(request), 1356 diskinfo, sizeof(struct arc_fw_diskinfo)); 1357 if (error != 0) 1358 goto out; 1359 1360 /* skip disks with no capacity */ 1361 if (htole32(diskinfo->capacity) == 0 && 1362 htole32(diskinfo->capacity2) == 0) 1363 goto out; 1364 1365 bd->bd_disknovol = true; 1366 arc_bio_disk_filldata(sc, bd, diskinfo, bd->bd_diskid); 1367 1368 out: 1369 kmem_free(diskinfo, sizeof(*diskinfo)); 1370 return error; 1371 } 1372 1373 static void 1374 arc_bio_disk_filldata(struct arc_softc *sc, struct bioc_disk *bd, 1375 struct arc_fw_diskinfo *diskinfo, int diskid) 1376 { 1377 uint64_t blocks; 1378 char model[81]; 1379 char serial[41]; 1380 char rev[17]; 1381 1382 /* Ignore bit zero for now, we don't know what it means */ 1383 diskinfo->device_state &= ~0x1; 1384 1385 switch (diskinfo->device_state) { 1386 case ARC_FW_DISK_FAILED: 1387 bd->bd_status = BIOC_SDFAILED; 1388 break; 1389 case ARC_FW_DISK_PASSTHRU: 1390 bd->bd_status = BIOC_SDPASSTHRU; 1391 break; 1392 case ARC_FW_DISK_NORMAL: 1393 bd->bd_status = BIOC_SDONLINE; 1394 break; 1395 case ARC_FW_DISK_HOTSPARE: 1396 bd->bd_status = BIOC_SDHOTSPARE; 1397 break; 1398 case ARC_FW_DISK_UNUSED: 1399 bd->bd_status = BIOC_SDUNUSED; 1400 break; 1401 case 0: 1402 /* disk has been disconnected */ 1403 bd->bd_status = BIOC_SDOFFLINE; 1404 bd->bd_channel = 1; 1405 bd->bd_target = 0; 1406 bd->bd_lun = 0; 1407 strlcpy(bd->bd_vendor, "disk missing", sizeof(bd->bd_vendor)); 1408 break; 1409 default: 1410 printf("%s: unknown disk device_state: 0x%x\n", __func__, 1411 diskinfo->device_state); 1412 bd->bd_status = BIOC_SDINVALID; 1413 return; 1414 } 1415 1416 blocks = (uint64_t)htole32(diskinfo->capacity2) << 32; 1417 blocks += (uint64_t)htole32(diskinfo->capacity); 1418 bd->bd_size = blocks * ARC_BLOCKSIZE; /* XXX */ 1419 1420 scsipi_strvis(model, 81, diskinfo->model, sizeof(diskinfo->model)); 1421 scsipi_strvis(serial, 41, diskinfo->serial, sizeof(diskinfo->serial)); 1422 scsipi_strvis(rev, 17, diskinfo->firmware_rev, 1423 sizeof(diskinfo->firmware_rev)); 1424 1425 snprintf(bd->bd_vendor, sizeof(bd->bd_vendor), "%s %s", model, rev); 1426 strlcpy(bd->bd_serial, serial, sizeof(bd->bd_serial)); 1427 1428 #if 0 1429 bd->bd_channel = diskinfo->scsi_attr.channel; 1430 bd->bd_target = diskinfo->scsi_attr.target; 1431 bd->bd_lun = diskinfo->scsi_attr.lun; 1432 #endif 1433 1434 /* 1435 * the firwmare doesnt seem to fill scsi_attr in, so fake it with 1436 * the diskid. 1437 */ 1438 bd->bd_channel = 0; 1439 bd->bd_target = diskid; 1440 bd->bd_lun = 0; 1441 } 1442 1443 static int 1444 arc_bio_disk_volume(struct arc_softc *sc, struct bioc_disk *bd) 1445 { 1446 struct arc_fw_raidinfo *raidinfo; 1447 struct arc_fw_volinfo *volinfo; 1448 struct arc_fw_diskinfo *diskinfo; 1449 uint8_t request[2]; 1450 int error = 0; 1451 1452 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP); 1453 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP); 1454 diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP); 1455 1456 error = arc_bio_getvol(sc, bd->bd_volid, volinfo); 1457 if (error != 0) 1458 goto out; 1459 1460 request[0] = ARC_FW_RAIDINFO; 1461 request[1] = volinfo->raid_set_number; 1462 1463 error = arc_msgbuf(sc, request, sizeof(request), raidinfo, 1464 sizeof(struct arc_fw_raidinfo)); 1465 if (error != 0) 1466 goto out; 1467 1468 if (bd->bd_diskid >= sc->sc_cchans || 1469 bd->bd_diskid >= raidinfo->member_devices) { 1470 error = ENODEV; 1471 goto out; 1472 } 1473 1474 if (raidinfo->device_array[bd->bd_diskid] == 0xff) { 1475 /* 1476 * The disk has been disconnected, mark it offline 1477 * and put it on another bus. 1478 */ 1479 bd->bd_channel = 1; 1480 bd->bd_target = 0; 1481 bd->bd_lun = 0; 1482 bd->bd_status = BIOC_SDOFFLINE; 1483 strlcpy(bd->bd_vendor, "disk missing", sizeof(bd->bd_vendor)); 1484 goto out; 1485 } 1486 1487 request[0] = ARC_FW_DISKINFO; 1488 request[1] = raidinfo->device_array[bd->bd_diskid]; 1489 error = arc_msgbuf(sc, request, sizeof(request), diskinfo, 1490 sizeof(struct arc_fw_diskinfo)); 1491 if (error != 0) 1492 goto out; 1493 1494 /* now fill our bio disk with data from the firmware */ 1495 arc_bio_disk_filldata(sc, bd, diskinfo, 1496 raidinfo->device_array[bd->bd_diskid]); 1497 1498 out: 1499 kmem_free(raidinfo, sizeof(*raidinfo)); 1500 kmem_free(volinfo, sizeof(*volinfo)); 1501 kmem_free(diskinfo, sizeof(*diskinfo)); 1502 return error; 1503 } 1504 #endif /* NBIO > 0 */ 1505 1506 uint8_t 1507 arc_msg_cksum(void *cmd, uint16_t len) 1508 { 1509 uint8_t *buf = cmd; 1510 uint8_t cksum; 1511 int i; 1512 1513 cksum = (uint8_t)(len >> 8) + (uint8_t)len; 1514 for (i = 0; i < len; i++) 1515 cksum += buf[i]; 1516 1517 return cksum; 1518 } 1519 1520 1521 int 1522 arc_msgbuf(struct arc_softc *sc, void *wptr, size_t wbuflen, void *rptr, 1523 size_t rbuflen) 1524 { 1525 uint8_t rwbuf[ARC_REG_IOC_RWBUF_MAXLEN]; 1526 uint8_t *wbuf, *rbuf; 1527 int wlen, wdone = 0, rlen, rdone = 0; 1528 struct arc_fw_bufhdr *bufhdr; 1529 uint32_t reg, rwlen; 1530 int error = 0; 1531 #ifdef ARC_DEBUG 1532 int i; 1533 #endif 1534 1535 wbuf = rbuf = NULL; 1536 1537 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wbuflen: %d rbuflen: %d\n", 1538 device_xname(sc->sc_dev), wbuflen, rbuflen); 1539 1540 wlen = sizeof(struct arc_fw_bufhdr) + wbuflen + 1; /* 1 for cksum */ 1541 wbuf = kmem_alloc(wlen, KM_SLEEP); 1542 1543 rlen = sizeof(struct arc_fw_bufhdr) + rbuflen + 1; /* 1 for cksum */ 1544 rbuf = kmem_alloc(rlen, KM_SLEEP); 1545 1546 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wlen: %d rlen: %d\n", 1547 device_xname(sc->sc_dev), wlen, rlen); 1548 1549 bufhdr = (struct arc_fw_bufhdr *)wbuf; 1550 bufhdr->hdr = arc_fw_hdr; 1551 bufhdr->len = htole16(wbuflen); 1552 memcpy(wbuf + sizeof(struct arc_fw_bufhdr), wptr, wbuflen); 1553 wbuf[wlen - 1] = arc_msg_cksum(wptr, wbuflen); 1554 1555 arc_lock(sc); 1556 if (arc_read(sc, ARC_REG_OUTB_DOORBELL) != 0) { 1557 error = EBUSY; 1558 goto out; 1559 } 1560 1561 reg = ARC_REG_OUTB_DOORBELL_READ_OK; 1562 1563 do { 1564 if ((reg & ARC_REG_OUTB_DOORBELL_READ_OK) && wdone < wlen) { 1565 memset(rwbuf, 0, sizeof(rwbuf)); 1566 rwlen = (wlen - wdone) % sizeof(rwbuf); 1567 memcpy(rwbuf, &wbuf[wdone], rwlen); 1568 1569 #ifdef ARC_DEBUG 1570 if (arcdebug & ARC_D_DB) { 1571 printf("%s: write %d:", 1572 device_xname(sc->sc_dev), rwlen); 1573 for (i = 0; i < rwlen; i++) 1574 printf(" 0x%02x", rwbuf[i]); 1575 printf("\n"); 1576 } 1577 #endif 1578 1579 /* copy the chunk to the hw */ 1580 arc_write(sc, ARC_REG_IOC_WBUF_LEN, rwlen); 1581 arc_write_region(sc, ARC_REG_IOC_WBUF, rwbuf, 1582 sizeof(rwbuf)); 1583 1584 /* say we have a buffer for the hw */ 1585 arc_write(sc, ARC_REG_INB_DOORBELL, 1586 ARC_REG_INB_DOORBELL_WRITE_OK); 1587 1588 wdone += rwlen; 1589 } 1590 1591 while ((reg = arc_read(sc, ARC_REG_OUTB_DOORBELL)) == 0) 1592 arc_wait(sc); 1593 1594 arc_write(sc, ARC_REG_OUTB_DOORBELL, reg); 1595 1596 DNPRINTF(ARC_D_DB, "%s: reg: 0x%08x\n", 1597 device_xname(sc->sc_dev), reg); 1598 1599 if ((reg & ARC_REG_OUTB_DOORBELL_WRITE_OK) && rdone < rlen) { 1600 rwlen = arc_read(sc, ARC_REG_IOC_RBUF_LEN); 1601 if (rwlen > sizeof(rwbuf)) { 1602 DNPRINTF(ARC_D_DB, "%s: rwlen too big\n", 1603 device_xname(sc->sc_dev)); 1604 error = EIO; 1605 goto out; 1606 } 1607 1608 arc_read_region(sc, ARC_REG_IOC_RBUF, rwbuf, 1609 sizeof(rwbuf)); 1610 1611 arc_write(sc, ARC_REG_INB_DOORBELL, 1612 ARC_REG_INB_DOORBELL_READ_OK); 1613 1614 #ifdef ARC_DEBUG 1615 printf("%s: len: %d+%d=%d/%d\n", 1616 device_xname(sc->sc_dev), 1617 rwlen, rdone, rwlen + rdone, rlen); 1618 if (arcdebug & ARC_D_DB) { 1619 printf("%s: read:", 1620 device_xname(sc->sc_dev)); 1621 for (i = 0; i < rwlen; i++) 1622 printf(" 0x%02x", rwbuf[i]); 1623 printf("\n"); 1624 } 1625 #endif 1626 1627 if ((rdone + rwlen) > rlen) { 1628 DNPRINTF(ARC_D_DB, "%s: rwbuf too big\n", 1629 device_xname(sc->sc_dev)); 1630 error = EIO; 1631 goto out; 1632 } 1633 1634 memcpy(&rbuf[rdone], rwbuf, rwlen); 1635 rdone += rwlen; 1636 } 1637 } while (rdone != rlen); 1638 1639 bufhdr = (struct arc_fw_bufhdr *)rbuf; 1640 if (memcmp(&bufhdr->hdr, &arc_fw_hdr, sizeof(bufhdr->hdr)) != 0 || 1641 bufhdr->len != htole16(rbuflen)) { 1642 DNPRINTF(ARC_D_DB, "%s: rbuf hdr is wrong\n", 1643 device_xname(sc->sc_dev)); 1644 error = EIO; 1645 goto out; 1646 } 1647 1648 memcpy(rptr, rbuf + sizeof(struct arc_fw_bufhdr), rbuflen); 1649 1650 if (rbuf[rlen - 1] != arc_msg_cksum(rptr, rbuflen)) { 1651 DNPRINTF(ARC_D_DB, "%s: invalid cksum\n", 1652 device_xname(sc->sc_dev)); 1653 error = EIO; 1654 goto out; 1655 } 1656 1657 out: 1658 arc_unlock(sc); 1659 kmem_free(wbuf, wlen); 1660 kmem_free(rbuf, rlen); 1661 1662 return error; 1663 } 1664 1665 void 1666 arc_lock(struct arc_softc *sc) 1667 { 1668 rw_enter(&sc->sc_rwlock, RW_WRITER); 1669 mutex_spin_enter(&sc->sc_mutex); 1670 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE); 1671 sc->sc_talking = 1; 1672 } 1673 1674 void 1675 arc_unlock(struct arc_softc *sc) 1676 { 1677 KASSERT(mutex_owned(&sc->sc_mutex)); 1678 1679 arc_write(sc, ARC_REG_INTRMASK, 1680 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL)); 1681 sc->sc_talking = 0; 1682 mutex_spin_exit(&sc->sc_mutex); 1683 rw_exit(&sc->sc_rwlock); 1684 } 1685 1686 void 1687 arc_wait(struct arc_softc *sc) 1688 { 1689 KASSERT(mutex_owned(&sc->sc_mutex)); 1690 1691 arc_write(sc, ARC_REG_INTRMASK, 1692 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL)); 1693 if (cv_timedwait(&sc->sc_condvar, &sc->sc_mutex, hz) == EWOULDBLOCK) 1694 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE); 1695 } 1696 1697 #if NBIO > 0 1698 static void 1699 arc_create_sensors(void *arg) 1700 { 1701 struct arc_softc *sc = arg; 1702 struct bioc_inq bi; 1703 struct bioc_vol bv; 1704 int i, j; 1705 size_t slen, count = 0; 1706 1707 memset(&bi, 0, sizeof(bi)); 1708 if (arc_bio_inq(sc, &bi) != 0) { 1709 aprint_error("%s: unable to query firmware for sensor info\n", 1710 device_xname(sc->sc_dev)); 1711 kthread_exit(0); 1712 } 1713 1714 /* There's no point to continue if there are no volumes */ 1715 if (!bi.bi_novol) 1716 kthread_exit(0); 1717 1718 for (i = 0; i < bi.bi_novol; i++) { 1719 memset(&bv, 0, sizeof(bv)); 1720 bv.bv_volid = i; 1721 if (arc_bio_vol(sc, &bv) != 0) 1722 kthread_exit(0); 1723 1724 /* Skip passthrough volumes */ 1725 if (bv.bv_level == BIOC_SVOL_PASSTHRU) 1726 continue; 1727 1728 /* new volume found */ 1729 sc->sc_nsensors++; 1730 /* new disk in a volume found */ 1731 sc->sc_nsensors+= bv.bv_nodisk; 1732 } 1733 1734 /* No valid volumes */ 1735 if (!sc->sc_nsensors) 1736 kthread_exit(0); 1737 1738 sc->sc_sme = sysmon_envsys_create(); 1739 slen = sizeof(arc_edata_t) * sc->sc_nsensors; 1740 sc->sc_arc_sensors = kmem_zalloc(slen, KM_SLEEP); 1741 1742 /* Attach sensors for volumes and disks */ 1743 for (i = 0; i < bi.bi_novol; i++) { 1744 memset(&bv, 0, sizeof(bv)); 1745 bv.bv_volid = i; 1746 if (arc_bio_vol(sc, &bv) != 0) 1747 goto bad; 1748 1749 sc->sc_arc_sensors[count].arc_sensor.units = ENVSYS_DRIVE; 1750 sc->sc_arc_sensors[count].arc_sensor.state = ENVSYS_SINVALID; 1751 sc->sc_arc_sensors[count].arc_sensor.value_cur = 1752 ENVSYS_DRIVE_EMPTY; 1753 sc->sc_arc_sensors[count].arc_sensor.flags = 1754 ENVSYS_FMONSTCHANGED; 1755 1756 /* Skip passthrough volumes */ 1757 if (bv.bv_level == BIOC_SVOL_PASSTHRU) 1758 continue; 1759 1760 if (bv.bv_level == BIOC_SVOL_RAID10) 1761 snprintf(sc->sc_arc_sensors[count].arc_sensor.desc, 1762 sizeof(sc->sc_arc_sensors[count].arc_sensor.desc), 1763 "RAID 1+0 volume%d (%s)", i, bv.bv_dev); 1764 else 1765 snprintf(sc->sc_arc_sensors[count].arc_sensor.desc, 1766 sizeof(sc->sc_arc_sensors[count].arc_sensor.desc), 1767 "RAID %d volume%d (%s)", bv.bv_level, i, 1768 bv.bv_dev); 1769 1770 sc->sc_arc_sensors[count].arc_volid = i; 1771 1772 if (sysmon_envsys_sensor_attach(sc->sc_sme, 1773 &sc->sc_arc_sensors[count].arc_sensor)) 1774 goto bad; 1775 1776 count++; 1777 1778 /* Attach disk sensors for this volume */ 1779 for (j = 0; j < bv.bv_nodisk; j++) { 1780 sc->sc_arc_sensors[count].arc_sensor.state = 1781 ENVSYS_SINVALID; 1782 sc->sc_arc_sensors[count].arc_sensor.units = 1783 ENVSYS_DRIVE; 1784 sc->sc_arc_sensors[count].arc_sensor.value_cur = 1785 ENVSYS_DRIVE_EMPTY; 1786 sc->sc_arc_sensors[count].arc_sensor.flags = 1787 ENVSYS_FMONSTCHANGED; 1788 1789 snprintf(sc->sc_arc_sensors[count].arc_sensor.desc, 1790 sizeof(sc->sc_arc_sensors[count].arc_sensor.desc), 1791 "disk%d volume%d (%s)", j, i, bv.bv_dev); 1792 sc->sc_arc_sensors[count].arc_volid = i; 1793 sc->sc_arc_sensors[count].arc_diskid = j + 10; 1794 1795 if (sysmon_envsys_sensor_attach(sc->sc_sme, 1796 &sc->sc_arc_sensors[count].arc_sensor)) 1797 goto bad; 1798 1799 count++; 1800 } 1801 } 1802 1803 /* 1804 * Register our envsys driver with the framework now that the 1805 * sensors were all attached. 1806 */ 1807 sc->sc_sme->sme_name = device_xname(sc->sc_dev); 1808 sc->sc_sme->sme_cookie = sc; 1809 sc->sc_sme->sme_refresh = arc_refresh_sensors; 1810 1811 if (sysmon_envsys_register(sc->sc_sme)) { 1812 aprint_debug("%s: unable to register with sysmon\n", 1813 device_xname(sc->sc_dev)); 1814 goto bad; 1815 } 1816 kthread_exit(0); 1817 1818 bad: 1819 sysmon_envsys_destroy(sc->sc_sme); 1820 kmem_free(sc->sc_arc_sensors, slen); 1821 1822 sc->sc_sme = NULL; 1823 sc->sc_arc_sensors = NULL; 1824 1825 kthread_exit(0); 1826 } 1827 1828 static void 1829 arc_refresh_sensors(struct sysmon_envsys *sme, envsys_data_t *edata) 1830 { 1831 struct arc_softc *sc = sme->sme_cookie; 1832 struct bioc_vol bv; 1833 struct bioc_disk bd; 1834 arc_edata_t *arcdata = (arc_edata_t *)edata; 1835 1836 /* sanity check */ 1837 if (edata->units != ENVSYS_DRIVE) 1838 return; 1839 1840 memset(&bv, 0, sizeof(bv)); 1841 bv.bv_volid = arcdata->arc_volid; 1842 1843 if (arc_bio_vol(sc, &bv)) { 1844 bv.bv_status = BIOC_SVINVALID; 1845 bio_vol_to_envsys(edata, &bv); 1846 return; 1847 } 1848 1849 if (arcdata->arc_diskid) { 1850 /* Current sensor is handling a disk volume member */ 1851 memset(&bd, 0, sizeof(bd)); 1852 bd.bd_volid = arcdata->arc_volid; 1853 bd.bd_diskid = arcdata->arc_diskid - 10; 1854 1855 if (arc_bio_disk_volume(sc, &bd)) 1856 bd.bd_status = BIOC_SDOFFLINE; 1857 bio_disk_to_envsys(edata, &bd); 1858 } else { 1859 /* Current sensor is handling a volume */ 1860 bio_vol_to_envsys(edata, &bv); 1861 } 1862 } 1863 #endif /* NBIO > 0 */ 1864 1865 uint32_t 1866 arc_read(struct arc_softc *sc, bus_size_t r) 1867 { 1868 uint32_t v; 1869 1870 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, 1871 BUS_SPACE_BARRIER_READ); 1872 v = bus_space_read_4(sc->sc_iot, sc->sc_ioh, r); 1873 1874 DNPRINTF(ARC_D_RW, "%s: arc_read 0x%lx 0x%08x\n", 1875 device_xname(sc->sc_dev), r, v); 1876 1877 return v; 1878 } 1879 1880 void 1881 arc_read_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len) 1882 { 1883 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len, 1884 BUS_SPACE_BARRIER_READ); 1885 bus_space_read_region_4(sc->sc_iot, sc->sc_ioh, r, 1886 (uint32_t *)buf, len >> 2); 1887 } 1888 1889 void 1890 arc_write(struct arc_softc *sc, bus_size_t r, uint32_t v) 1891 { 1892 DNPRINTF(ARC_D_RW, "%s: arc_write 0x%lx 0x%08x\n", 1893 device_xname(sc->sc_dev), r, v); 1894 1895 bus_space_write_4(sc->sc_iot, sc->sc_ioh, r, v); 1896 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, 1897 BUS_SPACE_BARRIER_WRITE); 1898 } 1899 1900 void 1901 arc_write_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len) 1902 { 1903 bus_space_write_region_4(sc->sc_iot, sc->sc_ioh, r, 1904 (const uint32_t *)buf, len >> 2); 1905 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len, 1906 BUS_SPACE_BARRIER_WRITE); 1907 } 1908 1909 int 1910 arc_wait_eq(struct arc_softc *sc, bus_size_t r, uint32_t mask, 1911 uint32_t target) 1912 { 1913 int i; 1914 1915 DNPRINTF(ARC_D_RW, "%s: arc_wait_eq 0x%lx 0x%08x 0x%08x\n", 1916 device_xname(sc->sc_dev), r, mask, target); 1917 1918 for (i = 0; i < 10000; i++) { 1919 if ((arc_read(sc, r) & mask) == target) 1920 return 0; 1921 delay(1000); 1922 } 1923 1924 return 1; 1925 } 1926 1927 int 1928 arc_wait_ne(struct arc_softc *sc, bus_size_t r, uint32_t mask, 1929 uint32_t target) 1930 { 1931 int i; 1932 1933 DNPRINTF(ARC_D_RW, "%s: arc_wait_ne 0x%lx 0x%08x 0x%08x\n", 1934 device_xname(sc->sc_dev), r, mask, target); 1935 1936 for (i = 0; i < 10000; i++) { 1937 if ((arc_read(sc, r) & mask) != target) 1938 return 0; 1939 delay(1000); 1940 } 1941 1942 return 1; 1943 } 1944 1945 int 1946 arc_msg0(struct arc_softc *sc, uint32_t m) 1947 { 1948 /* post message */ 1949 arc_write(sc, ARC_REG_INB_MSG0, m); 1950 /* wait for the fw to do it */ 1951 if (arc_wait_eq(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0, 1952 ARC_REG_INTRSTAT_MSG0) != 0) 1953 return 1; 1954 1955 /* ack it */ 1956 arc_write(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0); 1957 1958 return 0; 1959 } 1960 1961 struct arc_dmamem * 1962 arc_dmamem_alloc(struct arc_softc *sc, size_t size) 1963 { 1964 struct arc_dmamem *adm; 1965 int nsegs; 1966 1967 adm = kmem_zalloc(sizeof(*adm), KM_NOSLEEP); 1968 if (adm == NULL) 1969 return NULL; 1970 1971 adm->adm_size = size; 1972 1973 if (bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 1974 BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW, &adm->adm_map) != 0) 1975 goto admfree; 1976 1977 if (bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &adm->adm_seg, 1978 1, &nsegs, BUS_DMA_NOWAIT) != 0) 1979 goto destroy; 1980 1981 if (bus_dmamem_map(sc->sc_dmat, &adm->adm_seg, nsegs, size, 1982 &adm->adm_kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT) != 0) 1983 goto free; 1984 1985 if (bus_dmamap_load(sc->sc_dmat, adm->adm_map, adm->adm_kva, size, 1986 NULL, BUS_DMA_NOWAIT) != 0) 1987 goto unmap; 1988 1989 memset(adm->adm_kva, 0, size); 1990 1991 return adm; 1992 1993 unmap: 1994 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, size); 1995 free: 1996 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1); 1997 destroy: 1998 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map); 1999 admfree: 2000 kmem_free(adm, sizeof(*adm)); 2001 2002 return NULL; 2003 } 2004 2005 void 2006 arc_dmamem_free(struct arc_softc *sc, struct arc_dmamem *adm) 2007 { 2008 bus_dmamap_unload(sc->sc_dmat, adm->adm_map); 2009 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, adm->adm_size); 2010 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1); 2011 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map); 2012 kmem_free(adm, sizeof(*adm)); 2013 } 2014 2015 int 2016 arc_alloc_ccbs(device_t self) 2017 { 2018 struct arc_softc *sc = device_private(self); 2019 struct arc_ccb *ccb; 2020 uint8_t *cmd; 2021 int i; 2022 size_t ccbslen; 2023 2024 TAILQ_INIT(&sc->sc_ccb_free); 2025 2026 ccbslen = sizeof(struct arc_ccb) * sc->sc_req_count; 2027 sc->sc_ccbs = kmem_zalloc(ccbslen, KM_SLEEP); 2028 2029 sc->sc_requests = arc_dmamem_alloc(sc, 2030 ARC_MAX_IOCMDLEN * sc->sc_req_count); 2031 if (sc->sc_requests == NULL) { 2032 aprint_error_dev(self, "unable to allocate ccb dmamem\n"); 2033 goto free_ccbs; 2034 } 2035 cmd = ARC_DMA_KVA(sc->sc_requests); 2036 2037 for (i = 0; i < sc->sc_req_count; i++) { 2038 ccb = &sc->sc_ccbs[i]; 2039 2040 if (bus_dmamap_create(sc->sc_dmat, MAXPHYS, ARC_SGL_MAXLEN, 2041 MAXPHYS, 0, 0, &ccb->ccb_dmamap) != 0) { 2042 aprint_error_dev(self, 2043 "unable to create dmamap for ccb %d\n", i); 2044 goto free_maps; 2045 } 2046 2047 ccb->ccb_sc = sc; 2048 ccb->ccb_id = i; 2049 ccb->ccb_offset = ARC_MAX_IOCMDLEN * i; 2050 2051 ccb->ccb_cmd = (struct arc_io_cmd *)&cmd[ccb->ccb_offset]; 2052 ccb->ccb_cmd_post = (ARC_DMA_DVA(sc->sc_requests) + 2053 ccb->ccb_offset) >> ARC_REG_POST_QUEUE_ADDR_SHIFT; 2054 2055 arc_put_ccb(sc, ccb); 2056 } 2057 2058 return 0; 2059 2060 free_maps: 2061 while ((ccb = arc_get_ccb(sc)) != NULL) 2062 bus_dmamap_destroy(sc->sc_dmat, ccb->ccb_dmamap); 2063 arc_dmamem_free(sc, sc->sc_requests); 2064 2065 free_ccbs: 2066 kmem_free(sc->sc_ccbs, ccbslen); 2067 2068 return 1; 2069 } 2070 2071 struct arc_ccb * 2072 arc_get_ccb(struct arc_softc *sc) 2073 { 2074 struct arc_ccb *ccb; 2075 2076 ccb = TAILQ_FIRST(&sc->sc_ccb_free); 2077 if (ccb != NULL) 2078 TAILQ_REMOVE(&sc->sc_ccb_free, ccb, ccb_link); 2079 2080 return ccb; 2081 } 2082 2083 void 2084 arc_put_ccb(struct arc_softc *sc, struct arc_ccb *ccb) 2085 { 2086 ccb->ccb_xs = NULL; 2087 memset(ccb->ccb_cmd, 0, ARC_MAX_IOCMDLEN); 2088 TAILQ_INSERT_TAIL(&sc->sc_ccb_free, ccb, ccb_link); 2089 } 2090