arcmsr.c revision 1.41
1 /* $NetBSD: arcmsr.c,v 1.41 2021/04/24 23:36:57 thorpej 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 1.41 2021/04/24 23:36:57 thorpej 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 #if NBIO > 0 76 static struct arc_fw_hdr arc_fw_hdr = { 0x5e, 0x01, 0x61 }; 77 #endif 78 79 /* 80 * autoconf(9) glue. 81 */ 82 static int arc_match(device_t, cfdata_t, 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_NEW(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(device_t, 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 /* 115 * interface for scsi midlayer to talk to. 116 */ 117 static void arc_scsi_cmd(struct scsipi_channel *, scsipi_adapter_req_t, 118 void *); 119 120 /* 121 * code to deal with getting bits in and out of the bus space. 122 */ 123 static uint32_t arc_read(struct arc_softc *, bus_size_t); 124 static void arc_read_region(struct arc_softc *, bus_size_t, void *, 125 size_t); 126 static void arc_write(struct arc_softc *, bus_size_t, uint32_t); 127 #if NBIO > 0 128 static void arc_write_region(struct arc_softc *, bus_size_t, void *, 129 size_t); 130 #endif 131 static int arc_wait_eq(struct arc_softc *, bus_size_t, uint32_t, 132 uint32_t); 133 #ifdef unused 134 static int arc_wait_ne(struct arc_softc *, bus_size_t, uint32_t, 135 uint32_t); 136 #endif 137 static int arc_msg0(struct arc_softc *, uint32_t); 138 static struct arc_dmamem *arc_dmamem_alloc(struct arc_softc *, size_t); 139 static void arc_dmamem_free(struct arc_softc *, 140 struct arc_dmamem *); 141 142 static int arc_alloc_ccbs(device_t); 143 static struct arc_ccb *arc_get_ccb(struct arc_softc *); 144 static void arc_put_ccb(struct arc_softc *, struct arc_ccb *); 145 static int arc_load_xs(struct arc_ccb *); 146 static int arc_complete(struct arc_softc *, struct arc_ccb *, int); 147 static void arc_scsi_cmd_done(struct arc_softc *, struct arc_ccb *, 148 uint32_t); 149 150 /* 151 * real stuff for dealing with the hardware. 152 */ 153 static int arc_map_pci_resources(device_t, struct pci_attach_args *); 154 static void arc_unmap_pci_resources(struct arc_softc *); 155 static int arc_query_firmware(device_t); 156 157 /* 158 * stuff to do messaging via the doorbells. 159 */ 160 #if NBIO > 0 161 static void arc_lock(struct arc_softc *); 162 static void arc_unlock(struct arc_softc *); 163 static void arc_wait(struct arc_softc *); 164 static uint8_t arc_msg_cksum(void *, uint16_t); 165 static int arc_msgbuf(struct arc_softc *, void *, size_t, void *, size_t); 166 #endif 167 168 #define arc_push(_s, _r) arc_write((_s), ARC_REG_POST_QUEUE, (_r)) 169 #define arc_pop(_s) arc_read((_s), ARC_REG_REPLY_QUEUE) 170 171 static int 172 arc_match(device_t parent, cfdata_t match, void *aux) 173 { 174 struct pci_attach_args *pa = aux; 175 176 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ARECA) { 177 switch (PCI_PRODUCT(pa->pa_id)) { 178 case PCI_PRODUCT_ARECA_ARC1110: 179 case PCI_PRODUCT_ARECA_ARC1120: 180 case PCI_PRODUCT_ARECA_ARC1130: 181 case PCI_PRODUCT_ARECA_ARC1160: 182 case PCI_PRODUCT_ARECA_ARC1170: 183 case PCI_PRODUCT_ARECA_ARC1200: 184 case PCI_PRODUCT_ARECA_ARC1202: 185 case PCI_PRODUCT_ARECA_ARC1210: 186 case PCI_PRODUCT_ARECA_ARC1220: 187 case PCI_PRODUCT_ARECA_ARC1230: 188 case PCI_PRODUCT_ARECA_ARC1260: 189 case PCI_PRODUCT_ARECA_ARC1270: 190 case PCI_PRODUCT_ARECA_ARC1280: 191 case PCI_PRODUCT_ARECA_ARC1380: 192 case PCI_PRODUCT_ARECA_ARC1381: 193 case PCI_PRODUCT_ARECA_ARC1680: 194 case PCI_PRODUCT_ARECA_ARC1681: 195 return 1; 196 default: 197 break; 198 } 199 } 200 201 return 0; 202 } 203 204 static void 205 arc_attach(device_t parent, device_t self, void *aux) 206 { 207 struct arc_softc *sc = device_private(self); 208 struct pci_attach_args *pa = aux; 209 struct scsipi_adapter *adapt = &sc->sc_adapter; 210 struct scsipi_channel *chan = &sc->sc_chan; 211 212 sc->sc_dev = self; 213 sc->sc_talking = 0; 214 rw_init(&sc->sc_rwlock); 215 mutex_init(&sc->sc_mutex, MUTEX_DEFAULT, IPL_BIO); 216 cv_init(&sc->sc_condvar, "arcdb"); 217 218 if (arc_map_pci_resources(self, pa) != 0) { 219 /* error message printed by arc_map_pci_resources */ 220 return; 221 } 222 223 if (arc_query_firmware(self) != 0) { 224 /* error message printed by arc_query_firmware */ 225 goto unmap_pci; 226 } 227 228 if (arc_alloc_ccbs(self) != 0) { 229 /* error message printed by arc_alloc_ccbs */ 230 goto unmap_pci; 231 } 232 233 if (!pmf_device_register1(self, NULL, NULL, arc_shutdown)) 234 panic("%s: couldn't establish shutdown handler\n", 235 device_xname(self)); 236 237 memset(adapt, 0, sizeof(*adapt)); 238 adapt->adapt_dev = self; 239 adapt->adapt_nchannels = 1; 240 adapt->adapt_openings = sc->sc_req_count / ARC_MAX_TARGET; 241 adapt->adapt_max_periph = adapt->adapt_openings; 242 adapt->adapt_minphys = arc_minphys; 243 adapt->adapt_request = arc_scsi_cmd; 244 adapt->adapt_flags = SCSIPI_ADAPT_MPSAFE; 245 246 memset(chan, 0, sizeof(*chan)); 247 chan->chan_adapter = adapt; 248 chan->chan_bustype = &scsi_bustype; 249 chan->chan_nluns = ARC_MAX_LUN; 250 chan->chan_ntargets = ARC_MAX_TARGET; 251 chan->chan_id = ARC_MAX_TARGET; 252 chan->chan_flags = SCSIPI_CHAN_NOSETTLE; 253 254 /* 255 * Save the device_t returned, because we could to attach 256 * devices via the management interface. 257 */ 258 sc->sc_scsibus_dv = config_found(self, &sc->sc_chan, scsiprint, 259 CFARG_EOL); 260 261 /* enable interrupts */ 262 arc_write(sc, ARC_REG_INTRMASK, 263 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRSTAT_DOORBELL)); 264 265 #if NBIO > 0 266 /* 267 * Register the driver to bio(4) and setup the sensors. 268 */ 269 if (bio_register(self, arc_bioctl) != 0) 270 panic("%s: bioctl registration failed\n", device_xname(self)); 271 272 /* 273 * you need to talk to the firmware to get volume info. our firmware 274 * interface relies on being able to sleep, so we need to use a thread 275 * to do the work. 276 */ 277 if (kthread_create(PRI_NONE, KTHREAD_MPSAFE, NULL, 278 arc_create_sensors, sc, &sc->sc_lwp, "arcmsr_sensors") != 0) 279 panic("%s: unable to create a kernel thread for sensors\n", 280 device_xname(self)); 281 #endif 282 283 return; 284 285 unmap_pci: 286 arc_unmap_pci_resources(sc); 287 } 288 289 static int 290 arc_detach(device_t self, int flags) 291 { 292 struct arc_softc *sc = device_private(self); 293 294 if (arc_msg0(sc, ARC_REG_INB_MSG0_STOP_BGRB) != 0) 295 aprint_error_dev(self, "timeout waiting to stop bg rebuild\n"); 296 297 if (arc_msg0(sc, ARC_REG_INB_MSG0_FLUSH_CACHE) != 0) 298 aprint_error_dev(self, "timeout waiting to flush cache\n"); 299 300 if (sc->sc_sme != NULL) 301 sysmon_envsys_unregister(sc->sc_sme); 302 303 return 0; 304 } 305 306 static bool 307 arc_shutdown(device_t self, int how) 308 { 309 struct arc_softc *sc = device_private(self); 310 311 if (arc_msg0(sc, ARC_REG_INB_MSG0_STOP_BGRB) != 0) 312 aprint_error_dev(self, "timeout waiting to stop bg rebuild\n"); 313 314 if (arc_msg0(sc, ARC_REG_INB_MSG0_FLUSH_CACHE) != 0) 315 aprint_error_dev(self, "timeout waiting to flush cache\n"); 316 317 return true; 318 } 319 320 static void 321 arc_minphys(struct buf *bp) 322 { 323 if (bp->b_bcount > MAXPHYS) 324 bp->b_bcount = MAXPHYS; 325 minphys(bp); 326 } 327 328 static int 329 arc_intr(void *arg) 330 { 331 struct arc_softc *sc = arg; 332 struct arc_ccb *ccb = NULL; 333 char *kva = ARC_DMA_KVA(sc->sc_requests); 334 struct arc_io_cmd *cmd; 335 uint32_t reg, intrstat; 336 337 mutex_spin_enter(&sc->sc_mutex); 338 intrstat = arc_read(sc, ARC_REG_INTRSTAT); 339 if (intrstat == 0x0) { 340 mutex_spin_exit(&sc->sc_mutex); 341 return 0; 342 } 343 344 intrstat &= ARC_REG_INTRSTAT_POSTQUEUE | ARC_REG_INTRSTAT_DOORBELL; 345 arc_write(sc, ARC_REG_INTRSTAT, intrstat); 346 347 if (intrstat & ARC_REG_INTRSTAT_DOORBELL) { 348 if (sc->sc_talking) { 349 arc_write(sc, ARC_REG_INTRMASK, 350 ~ARC_REG_INTRMASK_POSTQUEUE); 351 cv_broadcast(&sc->sc_condvar); 352 } else { 353 /* otherwise drop it */ 354 reg = arc_read(sc, ARC_REG_OUTB_DOORBELL); 355 arc_write(sc, ARC_REG_OUTB_DOORBELL, reg); 356 if (reg & ARC_REG_OUTB_DOORBELL_WRITE_OK) 357 arc_write(sc, ARC_REG_INB_DOORBELL, 358 ARC_REG_INB_DOORBELL_READ_OK); 359 } 360 } 361 mutex_spin_exit(&sc->sc_mutex); 362 363 while ((reg = arc_pop(sc)) != 0xffffffff) { 364 cmd = (struct arc_io_cmd *)(kva + 365 ((reg << ARC_REG_REPLY_QUEUE_ADDR_SHIFT) - 366 (uint32_t)ARC_DMA_DVA(sc->sc_requests))); 367 ccb = &sc->sc_ccbs[htole32(cmd->cmd.context)]; 368 369 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), 370 ccb->ccb_offset, ARC_MAX_IOCMDLEN, 371 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 372 373 arc_scsi_cmd_done(sc, ccb, reg); 374 } 375 376 377 return 1; 378 } 379 380 void 381 arc_scsi_cmd(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg) 382 { 383 struct scsipi_periph *periph; 384 struct scsipi_xfer *xs; 385 struct scsipi_adapter *adapt = chan->chan_adapter; 386 struct arc_softc *sc = device_private(adapt->adapt_dev); 387 struct arc_ccb *ccb; 388 struct arc_msg_scsicmd *cmd; 389 uint32_t reg; 390 uint8_t target; 391 392 switch (req) { 393 case ADAPTER_REQ_GROW_RESOURCES: 394 /* Not supported. */ 395 return; 396 case ADAPTER_REQ_SET_XFER_MODE: 397 /* Not supported. */ 398 return; 399 case ADAPTER_REQ_RUN_XFER: 400 break; 401 } 402 403 mutex_spin_enter(&sc->sc_mutex); 404 405 xs = arg; 406 periph = xs->xs_periph; 407 target = periph->periph_target; 408 409 if (xs->cmdlen > ARC_MSG_CDBLEN) { 410 memset(&xs->sense, 0, sizeof(xs->sense)); 411 xs->sense.scsi_sense.response_code = SSD_RCODE_VALID | 0x70; 412 xs->sense.scsi_sense.flags = SKEY_ILLEGAL_REQUEST; 413 xs->sense.scsi_sense.asc = 0x20; 414 xs->error = XS_SENSE; 415 xs->status = SCSI_CHECK; 416 mutex_spin_exit(&sc->sc_mutex); 417 scsipi_done(xs); 418 return; 419 } 420 421 ccb = arc_get_ccb(sc); 422 if (ccb == NULL) { 423 xs->error = XS_RESOURCE_SHORTAGE; 424 mutex_spin_exit(&sc->sc_mutex); 425 scsipi_done(xs); 426 return; 427 } 428 429 ccb->ccb_xs = xs; 430 431 if (arc_load_xs(ccb) != 0) { 432 xs->error = XS_DRIVER_STUFFUP; 433 arc_put_ccb(sc, ccb); 434 mutex_spin_exit(&sc->sc_mutex); 435 scsipi_done(xs); 436 return; 437 } 438 439 cmd = &ccb->ccb_cmd->cmd; 440 reg = ccb->ccb_cmd_post; 441 442 /* bus is always 0 */ 443 cmd->target = target; 444 cmd->lun = periph->periph_lun; 445 cmd->function = 1; /* XXX magic number */ 446 447 cmd->cdb_len = xs->cmdlen; 448 cmd->sgl_len = ccb->ccb_dmamap->dm_nsegs; 449 if (xs->xs_control & XS_CTL_DATA_OUT) 450 cmd->flags = ARC_MSG_SCSICMD_FLAG_WRITE; 451 if (ccb->ccb_dmamap->dm_nsegs > ARC_SGL_256LEN) { 452 cmd->flags |= ARC_MSG_SCSICMD_FLAG_SGL_BSIZE_512; 453 reg |= ARC_REG_POST_QUEUE_BIGFRAME; 454 } 455 456 cmd->context = htole32(ccb->ccb_id); 457 cmd->data_len = htole32(xs->datalen); 458 459 memcpy(cmd->cdb, xs->cmd, xs->cmdlen); 460 461 /* we've built the command, let's put it on the hw */ 462 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), 463 ccb->ccb_offset, ARC_MAX_IOCMDLEN, 464 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 465 466 arc_push(sc, reg); 467 if (xs->xs_control & XS_CTL_POLL) { 468 if (arc_complete(sc, ccb, xs->timeout) != 0) { 469 xs->error = XS_DRIVER_STUFFUP; 470 mutex_spin_exit(&sc->sc_mutex); 471 scsipi_done(xs); 472 return; 473 } 474 } 475 476 mutex_spin_exit(&sc->sc_mutex); 477 } 478 479 int 480 arc_load_xs(struct arc_ccb *ccb) 481 { 482 struct arc_softc *sc = ccb->ccb_sc; 483 struct scsipi_xfer *xs = ccb->ccb_xs; 484 bus_dmamap_t dmap = ccb->ccb_dmamap; 485 struct arc_sge *sgl = ccb->ccb_cmd->sgl, *sge; 486 uint64_t addr; 487 int i, error; 488 489 if (xs->datalen == 0) 490 return 0; 491 492 error = bus_dmamap_load(sc->sc_dmat, dmap, 493 xs->data, xs->datalen, NULL, 494 (xs->xs_control & XS_CTL_NOSLEEP) ? 495 BUS_DMA_NOWAIT : BUS_DMA_WAITOK); 496 if (error != 0) { 497 aprint_error("%s: error %d loading dmamap\n", 498 device_xname(sc->sc_dev), error); 499 return 1; 500 } 501 502 for (i = 0; i < dmap->dm_nsegs; i++) { 503 sge = &sgl[i]; 504 505 sge->sg_hdr = htole32(ARC_SGE_64BIT | dmap->dm_segs[i].ds_len); 506 addr = dmap->dm_segs[i].ds_addr; 507 sge->sg_hi_addr = htole32((uint32_t)(addr >> 32)); 508 sge->sg_lo_addr = htole32((uint32_t)addr); 509 } 510 511 bus_dmamap_sync(sc->sc_dmat, dmap, 0, dmap->dm_mapsize, 512 (xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMASYNC_PREREAD : 513 BUS_DMASYNC_PREWRITE); 514 515 return 0; 516 } 517 518 void 519 arc_scsi_cmd_done(struct arc_softc *sc, struct arc_ccb *ccb, uint32_t reg) 520 { 521 struct scsipi_xfer *xs = ccb->ccb_xs; 522 struct arc_msg_scsicmd *cmd; 523 524 if (xs->datalen != 0) { 525 bus_dmamap_sync(sc->sc_dmat, ccb->ccb_dmamap, 0, 526 ccb->ccb_dmamap->dm_mapsize, 527 (xs->xs_control & XS_CTL_DATA_IN) ? 528 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 529 bus_dmamap_unload(sc->sc_dmat, ccb->ccb_dmamap); 530 } 531 532 /* timeout_del */ 533 xs->status |= XS_STS_DONE; 534 535 if (reg & ARC_REG_REPLY_QUEUE_ERR) { 536 cmd = &ccb->ccb_cmd->cmd; 537 538 switch (cmd->status) { 539 case ARC_MSG_STATUS_SELTIMEOUT: 540 case ARC_MSG_STATUS_ABORTED: 541 case ARC_MSG_STATUS_INIT_FAIL: 542 xs->status = SCSI_OK; 543 xs->error = XS_SELTIMEOUT; 544 break; 545 546 case SCSI_CHECK: 547 memset(&xs->sense, 0, sizeof(xs->sense)); 548 memcpy(&xs->sense, cmd->sense_data, 549 uimin(ARC_MSG_SENSELEN, sizeof(xs->sense))); 550 xs->sense.scsi_sense.response_code = 551 SSD_RCODE_VALID | 0x70; 552 xs->status = SCSI_CHECK; 553 xs->error = XS_SENSE; 554 xs->resid = 0; 555 break; 556 557 default: 558 /* unknown device status */ 559 xs->error = XS_BUSY; /* try again later? */ 560 xs->status = SCSI_BUSY; 561 break; 562 } 563 } else { 564 xs->status = SCSI_OK; 565 xs->error = XS_NOERROR; 566 xs->resid = 0; 567 } 568 569 arc_put_ccb(sc, ccb); 570 scsipi_done(xs); 571 } 572 573 int 574 arc_complete(struct arc_softc *sc, struct arc_ccb *nccb, int timeout) 575 { 576 struct arc_ccb *ccb = NULL; 577 char *kva = ARC_DMA_KVA(sc->sc_requests); 578 struct arc_io_cmd *cmd; 579 uint32_t reg; 580 581 do { 582 reg = arc_pop(sc); 583 if (reg == 0xffffffff) { 584 if (timeout-- == 0) 585 return 1; 586 587 delay(1000); 588 continue; 589 } 590 591 cmd = (struct arc_io_cmd *)(kva + 592 ((reg << ARC_REG_REPLY_QUEUE_ADDR_SHIFT) - 593 ARC_DMA_DVA(sc->sc_requests))); 594 ccb = &sc->sc_ccbs[htole32(cmd->cmd.context)]; 595 596 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), 597 ccb->ccb_offset, ARC_MAX_IOCMDLEN, 598 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 599 600 arc_scsi_cmd_done(sc, ccb, reg); 601 } while (nccb != ccb); 602 603 return 0; 604 } 605 606 int 607 arc_map_pci_resources(device_t self, struct pci_attach_args *pa) 608 { 609 struct arc_softc *sc = device_private(self); 610 pcireg_t memtype; 611 pci_intr_handle_t ih; 612 char intrbuf[PCI_INTRSTR_LEN]; 613 614 sc->sc_pc = pa->pa_pc; 615 sc->sc_tag = pa->pa_tag; 616 sc->sc_dmat = pa->pa_dmat; 617 618 memtype = pci_mapreg_type(sc->sc_pc, sc->sc_tag, ARC_PCI_BAR); 619 if (pci_mapreg_map(pa, ARC_PCI_BAR, memtype, 0, &sc->sc_iot, 620 &sc->sc_ioh, NULL, &sc->sc_ios) != 0) { 621 aprint_error(": unable to map system interface register\n"); 622 return 1; 623 } 624 625 if (pci_intr_map(pa, &ih) != 0) { 626 aprint_error(": unable to map interrupt\n"); 627 goto unmap; 628 } 629 630 pci_intr_setattr(pa->pa_pc, &ih, PCI_INTR_MPSAFE, true); 631 632 sc->sc_ih = pci_intr_establish_xname(pa->pa_pc, ih, IPL_BIO, 633 arc_intr, sc, device_xname(self)); 634 if (sc->sc_ih == NULL) { 635 aprint_error(": unable to map interrupt [2]\n"); 636 goto unmap; 637 } 638 639 aprint_normal("\n"); 640 aprint_normal_dev(self, "interrupting at %s\n", 641 pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf))); 642 643 return 0; 644 645 unmap: 646 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 647 sc->sc_ios = 0; 648 return 1; 649 } 650 651 void 652 arc_unmap_pci_resources(struct arc_softc *sc) 653 { 654 pci_intr_disestablish(sc->sc_pc, sc->sc_ih); 655 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 656 sc->sc_ios = 0; 657 } 658 659 int 660 arc_query_firmware(device_t self) 661 { 662 struct arc_softc *sc = device_private(self); 663 struct arc_msg_firmware_info fwinfo; 664 char string[81]; /* sizeof(vendor)*2+1 */ 665 666 if (arc_wait_eq(sc, ARC_REG_OUTB_ADDR1, ARC_REG_OUTB_ADDR1_FIRMWARE_OK, 667 ARC_REG_OUTB_ADDR1_FIRMWARE_OK) != 0) { 668 aprint_debug_dev(self, "timeout waiting for firmware ok\n"); 669 return 1; 670 } 671 672 if (arc_msg0(sc, ARC_REG_INB_MSG0_GET_CONFIG) != 0) { 673 aprint_debug_dev(self, "timeout waiting for get config\n"); 674 return 1; 675 } 676 677 if (arc_msg0(sc, ARC_REG_INB_MSG0_START_BGRB) != 0) { 678 aprint_debug_dev(self, "timeout waiting to start bg rebuild\n"); 679 return 1; 680 } 681 682 arc_read_region(sc, ARC_REG_MSGBUF, &fwinfo, sizeof(fwinfo)); 683 684 DNPRINTF(ARC_D_INIT, "%s: signature: 0x%08x\n", 685 device_xname(self), htole32(fwinfo.signature)); 686 687 if (htole32(fwinfo.signature) != ARC_FWINFO_SIGNATURE_GET_CONFIG) { 688 aprint_error_dev(self, "invalid firmware info from iop\n"); 689 return 1; 690 } 691 692 DNPRINTF(ARC_D_INIT, "%s: request_len: %d\n", 693 device_xname(self), htole32(fwinfo.request_len)); 694 DNPRINTF(ARC_D_INIT, "%s: queue_len: %d\n", 695 device_xname(self), htole32(fwinfo.queue_len)); 696 DNPRINTF(ARC_D_INIT, "%s: sdram_size: %d\n", 697 device_xname(self), htole32(fwinfo.sdram_size)); 698 DNPRINTF(ARC_D_INIT, "%s: sata_ports: %d\n", 699 device_xname(self), htole32(fwinfo.sata_ports)); 700 701 strnvisx(string, sizeof(string), fwinfo.vendor, sizeof(fwinfo.vendor), 702 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 703 DNPRINTF(ARC_D_INIT, "%s: vendor: \"%s\"\n", 704 device_xname(self), string); 705 706 strnvisx(string, sizeof(string), fwinfo.model, sizeof(fwinfo.model), 707 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 708 aprint_normal_dev(self, "Areca %s Host Adapter RAID controller\n", 709 string); 710 711 strnvisx(string, sizeof(string), fwinfo.fw_version, 712 sizeof(fwinfo.fw_version), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 713 DNPRINTF(ARC_D_INIT, "%s: version: \"%s\"\n", 714 device_xname(self), string); 715 716 aprint_normal_dev(self, "%d ports, %dMB SDRAM, firmware <%s>\n", 717 htole32(fwinfo.sata_ports), htole32(fwinfo.sdram_size), string); 718 719 if (htole32(fwinfo.request_len) != ARC_MAX_IOCMDLEN) { 720 aprint_error_dev(self, 721 "unexpected request frame size (%d != %d)\n", 722 htole32(fwinfo.request_len), ARC_MAX_IOCMDLEN); 723 return 1; 724 } 725 726 sc->sc_req_count = htole32(fwinfo.queue_len); 727 728 return 0; 729 } 730 731 #if NBIO > 0 732 static int 733 arc_bioctl(device_t self, u_long cmd, void *addr) 734 { 735 struct arc_softc *sc = device_private(self); 736 int error = 0; 737 738 switch (cmd) { 739 case BIOCINQ: 740 error = arc_bio_inq(sc, (struct bioc_inq *)addr); 741 break; 742 743 case BIOCVOL: 744 error = arc_bio_vol(sc, (struct bioc_vol *)addr); 745 break; 746 747 case BIOCDISK: 748 error = arc_bio_disk_volume(sc, (struct bioc_disk *)addr); 749 break; 750 751 case BIOCDISK_NOVOL: 752 error = arc_bio_disk_novol(sc, (struct bioc_disk *)addr); 753 break; 754 755 case BIOCALARM: 756 error = arc_bio_alarm(sc, (struct bioc_alarm *)addr); 757 break; 758 759 case BIOCSETSTATE: 760 error = arc_bio_setstate(sc, (struct bioc_setstate *)addr); 761 break; 762 763 case BIOCVOLOPS: 764 error = arc_bio_volops(sc, (struct bioc_volops *)addr); 765 break; 766 767 default: 768 error = ENOTTY; 769 break; 770 } 771 772 return error; 773 } 774 775 static int 776 arc_fw_parse_status_code(struct arc_softc *sc, uint8_t *reply) 777 { 778 switch (*reply) { 779 case ARC_FW_CMD_RAIDINVAL: 780 printf("%s: firmware error (invalid raid set)\n", 781 device_xname(sc->sc_dev)); 782 return EINVAL; 783 case ARC_FW_CMD_VOLINVAL: 784 printf("%s: firmware error (invalid volume set)\n", 785 device_xname(sc->sc_dev)); 786 return EINVAL; 787 case ARC_FW_CMD_NORAID: 788 printf("%s: firmware error (unexistent raid set)\n", 789 device_xname(sc->sc_dev)); 790 return ENODEV; 791 case ARC_FW_CMD_NOVOLUME: 792 printf("%s: firmware error (unexistent volume set)\n", 793 device_xname(sc->sc_dev)); 794 return ENODEV; 795 case ARC_FW_CMD_NOPHYSDRV: 796 printf("%s: firmware error (unexistent physical drive)\n", 797 device_xname(sc->sc_dev)); 798 return ENODEV; 799 case ARC_FW_CMD_PARAM_ERR: 800 printf("%s: firmware error (parameter error)\n", 801 device_xname(sc->sc_dev)); 802 return EINVAL; 803 case ARC_FW_CMD_UNSUPPORTED: 804 printf("%s: firmware error (unsupported command)\n", 805 device_xname(sc->sc_dev)); 806 return EOPNOTSUPP; 807 case ARC_FW_CMD_DISKCFG_CHGD: 808 printf("%s: firmware error (disk configuration changed)\n", 809 device_xname(sc->sc_dev)); 810 return EINVAL; 811 case ARC_FW_CMD_PASS_INVAL: 812 printf("%s: firmware error (invalid password)\n", 813 device_xname(sc->sc_dev)); 814 return EINVAL; 815 case ARC_FW_CMD_NODISKSPACE: 816 printf("%s: firmware error (no disk space available)\n", 817 device_xname(sc->sc_dev)); 818 return EOPNOTSUPP; 819 case ARC_FW_CMD_CHECKSUM_ERR: 820 printf("%s: firmware error (checksum error)\n", 821 device_xname(sc->sc_dev)); 822 return EINVAL; 823 case ARC_FW_CMD_PASS_REQD: 824 printf("%s: firmware error (password required)\n", 825 device_xname(sc->sc_dev)); 826 return EPERM; 827 case ARC_FW_CMD_OK: 828 default: 829 return 0; 830 } 831 } 832 833 static int 834 arc_bio_alarm(struct arc_softc *sc, struct bioc_alarm *ba) 835 { 836 uint8_t request[2], reply[1]; 837 size_t len; 838 int error = 0; 839 840 switch (ba->ba_opcode) { 841 case BIOC_SAENABLE: 842 case BIOC_SADISABLE: 843 request[0] = ARC_FW_SET_ALARM; 844 request[1] = (ba->ba_opcode == BIOC_SAENABLE) ? 845 ARC_FW_SET_ALARM_ENABLE : ARC_FW_SET_ALARM_DISABLE; 846 len = sizeof(request); 847 848 break; 849 850 case BIOC_SASILENCE: 851 request[0] = ARC_FW_MUTE_ALARM; 852 len = 1; 853 854 break; 855 856 case BIOC_GASTATUS: 857 /* system info is too big/ugly to deal with here */ 858 return arc_bio_alarm_state(sc, ba); 859 860 default: 861 return EOPNOTSUPP; 862 } 863 864 error = arc_msgbuf(sc, request, len, reply, sizeof(reply)); 865 if (error != 0) 866 return error; 867 868 return arc_fw_parse_status_code(sc, &reply[0]); 869 } 870 871 static int 872 arc_bio_alarm_state(struct arc_softc *sc, struct bioc_alarm *ba) 873 { 874 struct arc_fw_sysinfo *sysinfo; 875 uint8_t request; 876 int error = 0; 877 878 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP); 879 880 request = ARC_FW_SYSINFO; 881 error = arc_msgbuf(sc, &request, sizeof(request), 882 sysinfo, sizeof(struct arc_fw_sysinfo)); 883 884 if (error != 0) 885 goto out; 886 887 ba->ba_status = sysinfo->alarm; 888 889 out: 890 kmem_free(sysinfo, sizeof(*sysinfo)); 891 return error; 892 } 893 894 static int 895 arc_bio_volops(struct arc_softc *sc, struct bioc_volops *bc) 896 { 897 /* to create a raid set */ 898 struct req_craidset { 899 uint8_t cmdcode; 900 uint32_t devmask; 901 uint8_t raidset_name[16]; 902 } __packed; 903 904 /* to create a volume set */ 905 struct req_cvolset { 906 uint8_t cmdcode; 907 uint8_t raidset; 908 uint8_t volset_name[16]; 909 uint64_t capacity; 910 uint8_t raidlevel; 911 uint8_t stripe; 912 uint8_t scsi_chan; 913 uint8_t scsi_target; 914 uint8_t scsi_lun; 915 uint8_t tagqueue; 916 uint8_t cache; 917 uint8_t speed; 918 uint8_t quick_init; 919 } __packed; 920 921 struct scsibus_softc *scsibus_sc = NULL; 922 struct req_craidset req_craidset; 923 struct req_cvolset req_cvolset; 924 uint8_t request[2]; 925 uint8_t reply[1]; 926 int error = 0; 927 928 switch (bc->bc_opcode) { 929 case BIOC_VCREATE_VOLUME: 930 { 931 /* 932 * Zero out the structs so that we use some defaults 933 * in raid and volume sets. 934 */ 935 memset(&req_craidset, 0, sizeof(req_craidset)); 936 memset(&req_cvolset, 0, sizeof(req_cvolset)); 937 938 /* 939 * Firstly we have to create the raid set and 940 * use the default name for all them. 941 */ 942 req_craidset.cmdcode = ARC_FW_CREATE_RAIDSET; 943 req_craidset.devmask = bc->bc_devmask; 944 error = arc_msgbuf(sc, &req_craidset, sizeof(req_craidset), 945 reply, sizeof(reply)); 946 if (error != 0) 947 return error; 948 949 error = arc_fw_parse_status_code(sc, &reply[0]); 950 if (error) { 951 printf("%s: create raidset%d failed\n", 952 device_xname(sc->sc_dev), bc->bc_volid); 953 return error; 954 } 955 956 /* 957 * At this point the raid set was created, so it's 958 * time to create the volume set. 959 */ 960 req_cvolset.cmdcode = ARC_FW_CREATE_VOLUME; 961 req_cvolset.raidset = bc->bc_volid; 962 req_cvolset.capacity = bc->bc_size * ARC_BLOCKSIZE; 963 964 /* 965 * Set the RAID level. 966 */ 967 switch (bc->bc_level) { 968 case 0: 969 case 1: 970 req_cvolset.raidlevel = bc->bc_level; 971 break; 972 case BIOC_SVOL_RAID10: 973 req_cvolset.raidlevel = 1; 974 break; 975 case 3: 976 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_3; 977 break; 978 case 5: 979 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_5; 980 break; 981 case 6: 982 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_6; 983 break; 984 default: 985 return EOPNOTSUPP; 986 } 987 988 /* 989 * Set the stripe size. 990 */ 991 switch (bc->bc_stripe) { 992 case 4: 993 req_cvolset.stripe = 0; 994 break; 995 case 8: 996 req_cvolset.stripe = 1; 997 break; 998 case 16: 999 req_cvolset.stripe = 2; 1000 break; 1001 case 32: 1002 req_cvolset.stripe = 3; 1003 break; 1004 case 64: 1005 req_cvolset.stripe = 4; 1006 break; 1007 case 128: 1008 req_cvolset.stripe = 5; 1009 break; 1010 default: 1011 req_cvolset.stripe = 4; /* by default 64K */ 1012 break; 1013 } 1014 1015 req_cvolset.scsi_chan = bc->bc_channel; 1016 req_cvolset.scsi_target = bc->bc_target; 1017 req_cvolset.scsi_lun = bc->bc_lun; 1018 req_cvolset.tagqueue = 1; /* always enabled */ 1019 req_cvolset.cache = 1; /* always enabled */ 1020 req_cvolset.speed = 4; /* always max speed */ 1021 1022 /* RAID 1 and 1+0 levels need foreground initialization */ 1023 if (bc->bc_level == 1 || bc->bc_level == BIOC_SVOL_RAID10) 1024 req_cvolset.quick_init = 1; /* foreground init */ 1025 1026 error = arc_msgbuf(sc, &req_cvolset, sizeof(req_cvolset), 1027 reply, sizeof(reply)); 1028 if (error != 0) 1029 return error; 1030 1031 error = arc_fw_parse_status_code(sc, &reply[0]); 1032 if (error) { 1033 printf("%s: create volumeset%d failed\n", 1034 device_xname(sc->sc_dev), bc->bc_volid); 1035 return error; 1036 } 1037 1038 /* 1039 * If we are creating a RAID 1 or RAID 1+0 volume, 1040 * the volume will be created immediately but it won't 1041 * be available until the initialization is done... so 1042 * don't bother attaching the sd(4) device. 1043 */ 1044 if (bc->bc_level == 1 || bc->bc_level == BIOC_SVOL_RAID10) 1045 break; 1046 1047 /* 1048 * Do a rescan on the bus to attach the device associated 1049 * with the new volume. 1050 */ 1051 scsibus_sc = device_private(sc->sc_scsibus_dv); 1052 (void)scsi_probe_bus(scsibus_sc, bc->bc_target, bc->bc_lun); 1053 1054 break; 1055 } 1056 case BIOC_VREMOVE_VOLUME: 1057 { 1058 /* 1059 * Remove the volume set specified in bc_volid. 1060 */ 1061 request[0] = ARC_FW_DELETE_VOLUME; 1062 request[1] = bc->bc_volid; 1063 error = arc_msgbuf(sc, request, sizeof(request), 1064 reply, sizeof(reply)); 1065 if (error != 0) 1066 return error; 1067 1068 error = arc_fw_parse_status_code(sc, &reply[0]); 1069 if (error) { 1070 printf("%s: delete volumeset%d failed\n", 1071 device_xname(sc->sc_dev), bc->bc_volid); 1072 return error; 1073 } 1074 1075 /* 1076 * Detach the sd(4) device associated with the volume, 1077 * but if there's an error don't make it a priority. 1078 */ 1079 error = scsipi_target_detach(&sc->sc_chan, bc->bc_target, 1080 bc->bc_lun, 0); 1081 if (error) 1082 printf("%s: couldn't detach sd device for volume %d " 1083 "at %u:%u.%u (error=%d)\n", 1084 device_xname(sc->sc_dev), bc->bc_volid, 1085 bc->bc_channel, bc->bc_target, bc->bc_lun, error); 1086 1087 /* 1088 * and remove the raid set specified in bc_volid, 1089 * we only care about volumes. 1090 */ 1091 request[0] = ARC_FW_DELETE_RAIDSET; 1092 request[1] = bc->bc_volid; 1093 error = arc_msgbuf(sc, request, sizeof(request), 1094 reply, sizeof(reply)); 1095 if (error != 0) 1096 return error; 1097 1098 error = arc_fw_parse_status_code(sc, &reply[0]); 1099 if (error) { 1100 printf("%s: delete raidset%d failed\n", 1101 device_xname(sc->sc_dev), bc->bc_volid); 1102 return error; 1103 } 1104 1105 break; 1106 } 1107 default: 1108 return EOPNOTSUPP; 1109 } 1110 1111 return error; 1112 } 1113 1114 static int 1115 arc_bio_setstate(struct arc_softc *sc, struct bioc_setstate *bs) 1116 { 1117 /* for a hotspare disk */ 1118 struct request_hs { 1119 uint8_t cmdcode; 1120 uint32_t devmask; 1121 } __packed; 1122 1123 /* for a pass-through disk */ 1124 struct request_pt { 1125 uint8_t cmdcode; 1126 uint8_t devid; 1127 uint8_t scsi_chan; 1128 uint8_t scsi_id; 1129 uint8_t scsi_lun; 1130 uint8_t tagged_queue; 1131 uint8_t cache_mode; 1132 uint8_t max_speed; 1133 } __packed; 1134 1135 struct scsibus_softc *scsibus_sc = NULL; 1136 struct request_hs req_hs; /* to add/remove hotspare */ 1137 struct request_pt req_pt; /* to add a pass-through */ 1138 uint8_t req_gen[2]; 1139 uint8_t reply[1]; 1140 int error = 0; 1141 1142 switch (bs->bs_status) { 1143 case BIOC_SSHOTSPARE: 1144 { 1145 req_hs.cmdcode = ARC_FW_CREATE_HOTSPARE; 1146 req_hs.devmask = (1 << bs->bs_target); 1147 goto hotspare; 1148 } 1149 case BIOC_SSDELHOTSPARE: 1150 { 1151 req_hs.cmdcode = ARC_FW_DELETE_HOTSPARE; 1152 req_hs.devmask = (1 << bs->bs_target); 1153 goto hotspare; 1154 } 1155 case BIOC_SSPASSTHRU: 1156 { 1157 req_pt.cmdcode = ARC_FW_CREATE_PASSTHRU; 1158 req_pt.devid = bs->bs_other_id; /* this wants device# */ 1159 req_pt.scsi_chan = bs->bs_channel; 1160 req_pt.scsi_id = bs->bs_target; 1161 req_pt.scsi_lun = bs->bs_lun; 1162 req_pt.tagged_queue = 1; /* always enabled */ 1163 req_pt.cache_mode = 1; /* always enabled */ 1164 req_pt.max_speed = 4; /* always max speed */ 1165 1166 error = arc_msgbuf(sc, &req_pt, sizeof(req_pt), 1167 reply, sizeof(reply)); 1168 if (error != 0) 1169 return error; 1170 1171 /* 1172 * Do a rescan on the bus to attach the new device 1173 * associated with the pass-through disk. 1174 */ 1175 scsibus_sc = device_private(sc->sc_scsibus_dv); 1176 (void)scsi_probe_bus(scsibus_sc, bs->bs_target, bs->bs_lun); 1177 1178 goto out; 1179 } 1180 case BIOC_SSDELPASSTHRU: 1181 { 1182 req_gen[0] = ARC_FW_DELETE_PASSTHRU; 1183 req_gen[1] = bs->bs_target; 1184 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen), 1185 reply, sizeof(reply)); 1186 if (error != 0) 1187 return error; 1188 1189 /* 1190 * Detach the sd device associated with this pass-through disk. 1191 */ 1192 error = scsipi_target_detach(&sc->sc_chan, bs->bs_target, 1193 bs->bs_lun, 0); 1194 if (error) 1195 printf("%s: couldn't detach sd device for the " 1196 "pass-through disk at %u:%u.%u (error=%d)\n", 1197 device_xname(sc->sc_dev), 1198 bs->bs_channel, bs->bs_target, bs->bs_lun, error); 1199 1200 goto out; 1201 } 1202 case BIOC_SSCHECKSTART_VOL: 1203 { 1204 req_gen[0] = ARC_FW_START_CHECKVOL; 1205 req_gen[1] = bs->bs_volid; 1206 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen), 1207 reply, sizeof(reply)); 1208 if (error != 0) 1209 return error; 1210 1211 goto out; 1212 } 1213 case BIOC_SSCHECKSTOP_VOL: 1214 { 1215 uint8_t req = ARC_FW_STOP_CHECKVOL; 1216 error = arc_msgbuf(sc, &req, 1, reply, sizeof(reply)); 1217 if (error != 0) 1218 return error; 1219 1220 goto out; 1221 } 1222 default: 1223 return EOPNOTSUPP; 1224 } 1225 1226 hotspare: 1227 error = arc_msgbuf(sc, &req_hs, sizeof(req_hs), 1228 reply, sizeof(reply)); 1229 if (error != 0) 1230 return error; 1231 1232 out: 1233 return arc_fw_parse_status_code(sc, &reply[0]); 1234 } 1235 1236 static int 1237 arc_bio_inq(struct arc_softc *sc, struct bioc_inq *bi) 1238 { 1239 uint8_t request[2]; 1240 struct arc_fw_sysinfo *sysinfo = NULL; 1241 struct arc_fw_raidinfo *raidinfo; 1242 int nvols = 0, i; 1243 int error = 0; 1244 1245 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP); 1246 1247 if (!sc->sc_maxraidset || !sc->sc_maxvolset || !sc->sc_cchans) { 1248 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP); 1249 1250 request[0] = ARC_FW_SYSINFO; 1251 error = arc_msgbuf(sc, request, 1, sysinfo, 1252 sizeof(struct arc_fw_sysinfo)); 1253 if (error != 0) 1254 goto out; 1255 1256 sc->sc_maxraidset = sysinfo->max_raid_set; 1257 sc->sc_maxvolset = sysinfo->max_volume_set; 1258 sc->sc_cchans = sysinfo->ide_channels; 1259 } 1260 1261 request[0] = ARC_FW_RAIDINFO; 1262 for (i = 0; i < sc->sc_maxraidset; i++) { 1263 request[1] = i; 1264 error = arc_msgbuf(sc, request, sizeof(request), raidinfo, 1265 sizeof(struct arc_fw_raidinfo)); 1266 if (error != 0) 1267 goto out; 1268 1269 nvols += raidinfo->volumes; 1270 } 1271 1272 strlcpy(bi->bi_dev, device_xname(sc->sc_dev), sizeof(bi->bi_dev)); 1273 bi->bi_novol = nvols; 1274 bi->bi_nodisk = sc->sc_cchans; 1275 1276 out: 1277 if (sysinfo) 1278 kmem_free(sysinfo, sizeof(*sysinfo)); 1279 kmem_free(raidinfo, sizeof(*raidinfo)); 1280 return error; 1281 } 1282 1283 static int 1284 arc_bio_getvol(struct arc_softc *sc, int vol, struct arc_fw_volinfo *volinfo) 1285 { 1286 uint8_t request[2]; 1287 int error = 0; 1288 int nvols = 0, i; 1289 1290 request[0] = ARC_FW_VOLINFO; 1291 for (i = 0; i < sc->sc_maxvolset; i++) { 1292 request[1] = i; 1293 error = arc_msgbuf(sc, request, sizeof(request), volinfo, 1294 sizeof(struct arc_fw_volinfo)); 1295 if (error != 0) 1296 goto out; 1297 1298 if (volinfo->capacity == 0 && volinfo->capacity2 == 0) 1299 continue; 1300 1301 if (nvols == vol) 1302 break; 1303 1304 nvols++; 1305 } 1306 1307 if (nvols != vol || 1308 (volinfo->capacity == 0 && volinfo->capacity2 == 0)) { 1309 error = ENODEV; 1310 goto out; 1311 } 1312 1313 out: 1314 return error; 1315 } 1316 1317 static int 1318 arc_bio_vol(struct arc_softc *sc, struct bioc_vol *bv) 1319 { 1320 struct arc_fw_volinfo *volinfo; 1321 uint64_t blocks; 1322 uint32_t status; 1323 int error = 0; 1324 1325 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP); 1326 1327 error = arc_bio_getvol(sc, bv->bv_volid, volinfo); 1328 if (error != 0) 1329 goto out; 1330 1331 bv->bv_percent = -1; 1332 bv->bv_seconds = 0; 1333 1334 status = htole32(volinfo->volume_status); 1335 if (status == 0x0) { 1336 if (htole32(volinfo->fail_mask) == 0x0) 1337 bv->bv_status = BIOC_SVONLINE; 1338 else 1339 bv->bv_status = BIOC_SVDEGRADED; 1340 } else if (status & ARC_FW_VOL_STATUS_NEED_REGEN) { 1341 bv->bv_status = BIOC_SVDEGRADED; 1342 } else if (status & ARC_FW_VOL_STATUS_FAILED) { 1343 bv->bv_status = BIOC_SVOFFLINE; 1344 } else if (status & ARC_FW_VOL_STATUS_INITTING) { 1345 bv->bv_status = BIOC_SVBUILDING; 1346 bv->bv_percent = htole32(volinfo->progress); 1347 } else if (status & ARC_FW_VOL_STATUS_REBUILDING) { 1348 bv->bv_status = BIOC_SVREBUILD; 1349 bv->bv_percent = htole32(volinfo->progress); 1350 } else if (status & ARC_FW_VOL_STATUS_MIGRATING) { 1351 bv->bv_status = BIOC_SVMIGRATING; 1352 bv->bv_percent = htole32(volinfo->progress); 1353 } else if (status & ARC_FW_VOL_STATUS_CHECKING) { 1354 bv->bv_status = BIOC_SVCHECKING; 1355 bv->bv_percent = htole32(volinfo->progress); 1356 } else if (status & ARC_FW_VOL_STATUS_NEED_INIT) { 1357 bv->bv_status = BIOC_SVOFFLINE; 1358 } else { 1359 printf("%s: volume %d status 0x%x\n", 1360 device_xname(sc->sc_dev), bv->bv_volid, status); 1361 } 1362 1363 blocks = (uint64_t)htole32(volinfo->capacity2) << 32; 1364 blocks += (uint64_t)htole32(volinfo->capacity); 1365 bv->bv_size = blocks * ARC_BLOCKSIZE; /* XXX */ 1366 1367 switch (volinfo->raid_level) { 1368 case ARC_FW_VOL_RAIDLEVEL_0: 1369 bv->bv_level = 0; 1370 break; 1371 case ARC_FW_VOL_RAIDLEVEL_1: 1372 if (volinfo->member_disks > 2) 1373 bv->bv_level = BIOC_SVOL_RAID10; 1374 else 1375 bv->bv_level = 1; 1376 break; 1377 case ARC_FW_VOL_RAIDLEVEL_3: 1378 bv->bv_level = 3; 1379 break; 1380 case ARC_FW_VOL_RAIDLEVEL_5: 1381 bv->bv_level = 5; 1382 break; 1383 case ARC_FW_VOL_RAIDLEVEL_6: 1384 bv->bv_level = 6; 1385 break; 1386 case ARC_FW_VOL_RAIDLEVEL_PASSTHRU: 1387 bv->bv_level = BIOC_SVOL_PASSTHRU; 1388 break; 1389 default: 1390 bv->bv_level = -1; 1391 break; 1392 } 1393 1394 bv->bv_nodisk = volinfo->member_disks; 1395 bv->bv_stripe_size = volinfo->stripe_size / 2; 1396 snprintf(bv->bv_dev, sizeof(bv->bv_dev), "sd%d", bv->bv_volid); 1397 strnvisx(bv->bv_vendor, sizeof(bv->bv_vendor), volinfo->set_name, 1398 sizeof(volinfo->set_name), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 1399 1400 out: 1401 kmem_free(volinfo, sizeof(*volinfo)); 1402 return error; 1403 } 1404 1405 static int 1406 arc_bio_disk_novol(struct arc_softc *sc, struct bioc_disk *bd) 1407 { 1408 struct arc_fw_diskinfo *diskinfo; 1409 uint8_t request[2]; 1410 int error = 0; 1411 1412 diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP); 1413 1414 if (bd->bd_diskid >= sc->sc_cchans) { 1415 error = ENODEV; 1416 goto out; 1417 } 1418 1419 request[0] = ARC_FW_DISKINFO; 1420 request[1] = bd->bd_diskid; 1421 error = arc_msgbuf(sc, request, sizeof(request), 1422 diskinfo, sizeof(struct arc_fw_diskinfo)); 1423 if (error != 0) 1424 goto out; 1425 1426 /* skip disks with no capacity */ 1427 if (htole32(diskinfo->capacity) == 0 && 1428 htole32(diskinfo->capacity2) == 0) 1429 goto out; 1430 1431 bd->bd_disknovol = true; 1432 arc_bio_disk_filldata(sc, bd, diskinfo, bd->bd_diskid); 1433 1434 out: 1435 kmem_free(diskinfo, sizeof(*diskinfo)); 1436 return error; 1437 } 1438 1439 static void 1440 arc_bio_disk_filldata(struct arc_softc *sc, struct bioc_disk *bd, 1441 struct arc_fw_diskinfo *diskinfo, int diskid) 1442 { 1443 uint64_t blocks; 1444 char model[81]; 1445 char serial[41]; 1446 char rev[17]; 1447 1448 /* Ignore bit zero for now, we don't know what it means */ 1449 diskinfo->device_state &= ~0x1; 1450 1451 switch (diskinfo->device_state) { 1452 case ARC_FW_DISK_FAILED: 1453 bd->bd_status = BIOC_SDFAILED; 1454 break; 1455 case ARC_FW_DISK_PASSTHRU: 1456 bd->bd_status = BIOC_SDPASSTHRU; 1457 break; 1458 case ARC_FW_DISK_NORMAL: 1459 bd->bd_status = BIOC_SDONLINE; 1460 break; 1461 case ARC_FW_DISK_HOTSPARE: 1462 bd->bd_status = BIOC_SDHOTSPARE; 1463 break; 1464 case ARC_FW_DISK_UNUSED: 1465 bd->bd_status = BIOC_SDUNUSED; 1466 break; 1467 case 0: 1468 /* disk has been disconnected */ 1469 bd->bd_status = BIOC_SDOFFLINE; 1470 bd->bd_channel = 1; 1471 bd->bd_target = 0; 1472 bd->bd_lun = 0; 1473 strlcpy(bd->bd_vendor, "disk missing", sizeof(bd->bd_vendor)); 1474 break; 1475 default: 1476 printf("%s: unknown disk device_state: 0x%x\n", __func__, 1477 diskinfo->device_state); 1478 bd->bd_status = BIOC_SDINVALID; 1479 return; 1480 } 1481 1482 blocks = (uint64_t)htole32(diskinfo->capacity2) << 32; 1483 blocks += (uint64_t)htole32(diskinfo->capacity); 1484 bd->bd_size = blocks * ARC_BLOCKSIZE; /* XXX */ 1485 1486 strnvisx(model, sizeof(model), diskinfo->model, 1487 sizeof(diskinfo->model), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 1488 strnvisx(serial, sizeof(serial), diskinfo->serial, 1489 sizeof(diskinfo->serial), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 1490 strnvisx(rev, sizeof(rev), diskinfo->firmware_rev, 1491 sizeof(diskinfo->firmware_rev), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 1492 1493 snprintf(bd->bd_vendor, sizeof(bd->bd_vendor), "%s %s", model, rev); 1494 strlcpy(bd->bd_serial, serial, sizeof(bd->bd_serial)); 1495 1496 #if 0 1497 bd->bd_channel = diskinfo->scsi_attr.channel; 1498 bd->bd_target = diskinfo->scsi_attr.target; 1499 bd->bd_lun = diskinfo->scsi_attr.lun; 1500 #endif 1501 1502 /* 1503 * the firwmare doesnt seem to fill scsi_attr in, so fake it with 1504 * the diskid. 1505 */ 1506 bd->bd_channel = 0; 1507 bd->bd_target = diskid; 1508 bd->bd_lun = 0; 1509 } 1510 1511 static int 1512 arc_bio_disk_volume(struct arc_softc *sc, struct bioc_disk *bd) 1513 { 1514 struct arc_fw_raidinfo *raidinfo; 1515 struct arc_fw_volinfo *volinfo; 1516 struct arc_fw_diskinfo *diskinfo; 1517 uint8_t request[2]; 1518 int error = 0; 1519 1520 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP); 1521 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP); 1522 diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP); 1523 1524 error = arc_bio_getvol(sc, bd->bd_volid, volinfo); 1525 if (error != 0) 1526 goto out; 1527 1528 request[0] = ARC_FW_RAIDINFO; 1529 request[1] = volinfo->raid_set_number; 1530 1531 error = arc_msgbuf(sc, request, sizeof(request), raidinfo, 1532 sizeof(struct arc_fw_raidinfo)); 1533 if (error != 0) 1534 goto out; 1535 1536 if (bd->bd_diskid >= sc->sc_cchans || 1537 bd->bd_diskid >= raidinfo->member_devices) { 1538 error = ENODEV; 1539 goto out; 1540 } 1541 1542 if (raidinfo->device_array[bd->bd_diskid] == 0xff) { 1543 /* 1544 * The disk has been disconnected, mark it offline 1545 * and put it on another bus. 1546 */ 1547 bd->bd_channel = 1; 1548 bd->bd_target = 0; 1549 bd->bd_lun = 0; 1550 bd->bd_status = BIOC_SDOFFLINE; 1551 strlcpy(bd->bd_vendor, "disk missing", sizeof(bd->bd_vendor)); 1552 goto out; 1553 } 1554 1555 request[0] = ARC_FW_DISKINFO; 1556 request[1] = raidinfo->device_array[bd->bd_diskid]; 1557 error = arc_msgbuf(sc, request, sizeof(request), diskinfo, 1558 sizeof(struct arc_fw_diskinfo)); 1559 if (error != 0) 1560 goto out; 1561 1562 /* now fill our bio disk with data from the firmware */ 1563 arc_bio_disk_filldata(sc, bd, diskinfo, 1564 raidinfo->device_array[bd->bd_diskid]); 1565 1566 out: 1567 kmem_free(raidinfo, sizeof(*raidinfo)); 1568 kmem_free(volinfo, sizeof(*volinfo)); 1569 kmem_free(diskinfo, sizeof(*diskinfo)); 1570 return error; 1571 } 1572 1573 static uint8_t 1574 arc_msg_cksum(void *cmd, uint16_t len) 1575 { 1576 uint8_t *buf = cmd; 1577 uint8_t cksum; 1578 int i; 1579 1580 cksum = (uint8_t)(len >> 8) + (uint8_t)len; 1581 for (i = 0; i < len; i++) 1582 cksum += buf[i]; 1583 1584 return cksum; 1585 } 1586 1587 1588 static int 1589 arc_msgbuf(struct arc_softc *sc, void *wptr, size_t wbuflen, void *rptr, 1590 size_t rbuflen) 1591 { 1592 uint8_t rwbuf[ARC_REG_IOC_RWBUF_MAXLEN]; 1593 uint8_t *wbuf, *rbuf; 1594 int wlen, wdone = 0, rlen, rdone = 0; 1595 struct arc_fw_bufhdr *bufhdr; 1596 uint32_t reg, rwlen; 1597 int error = 0; 1598 #ifdef ARC_DEBUG 1599 int i; 1600 #endif 1601 1602 wbuf = rbuf = NULL; 1603 1604 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wbuflen: %d rbuflen: %d\n", 1605 device_xname(sc->sc_dev), wbuflen, rbuflen); 1606 1607 wlen = sizeof(struct arc_fw_bufhdr) + wbuflen + 1; /* 1 for cksum */ 1608 wbuf = kmem_alloc(wlen, KM_SLEEP); 1609 1610 rlen = sizeof(struct arc_fw_bufhdr) + rbuflen + 1; /* 1 for cksum */ 1611 rbuf = kmem_alloc(rlen, KM_SLEEP); 1612 1613 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wlen: %d rlen: %d\n", 1614 device_xname(sc->sc_dev), wlen, rlen); 1615 1616 bufhdr = (struct arc_fw_bufhdr *)wbuf; 1617 bufhdr->hdr = arc_fw_hdr; 1618 bufhdr->len = htole16(wbuflen); 1619 memcpy(wbuf + sizeof(struct arc_fw_bufhdr), wptr, wbuflen); 1620 wbuf[wlen - 1] = arc_msg_cksum(wptr, wbuflen); 1621 1622 arc_lock(sc); 1623 if (arc_read(sc, ARC_REG_OUTB_DOORBELL) != 0) { 1624 error = EBUSY; 1625 goto out; 1626 } 1627 1628 reg = ARC_REG_OUTB_DOORBELL_READ_OK; 1629 1630 do { 1631 if ((reg & ARC_REG_OUTB_DOORBELL_READ_OK) && wdone < wlen) { 1632 memset(rwbuf, 0, sizeof(rwbuf)); 1633 rwlen = (wlen - wdone) % sizeof(rwbuf); 1634 memcpy(rwbuf, &wbuf[wdone], rwlen); 1635 1636 #ifdef ARC_DEBUG 1637 if (arcdebug & ARC_D_DB) { 1638 printf("%s: write %d:", 1639 device_xname(sc->sc_dev), rwlen); 1640 for (i = 0; i < rwlen; i++) 1641 printf(" 0x%02x", rwbuf[i]); 1642 printf("\n"); 1643 } 1644 #endif 1645 1646 /* copy the chunk to the hw */ 1647 arc_write(sc, ARC_REG_IOC_WBUF_LEN, rwlen); 1648 arc_write_region(sc, ARC_REG_IOC_WBUF, rwbuf, 1649 sizeof(rwbuf)); 1650 1651 /* say we have a buffer for the hw */ 1652 arc_write(sc, ARC_REG_INB_DOORBELL, 1653 ARC_REG_INB_DOORBELL_WRITE_OK); 1654 1655 wdone += rwlen; 1656 } 1657 1658 while ((reg = arc_read(sc, ARC_REG_OUTB_DOORBELL)) == 0) 1659 arc_wait(sc); 1660 1661 arc_write(sc, ARC_REG_OUTB_DOORBELL, reg); 1662 1663 DNPRINTF(ARC_D_DB, "%s: reg: 0x%08x\n", 1664 device_xname(sc->sc_dev), reg); 1665 1666 if ((reg & ARC_REG_OUTB_DOORBELL_WRITE_OK) && rdone < rlen) { 1667 rwlen = arc_read(sc, ARC_REG_IOC_RBUF_LEN); 1668 if (rwlen > sizeof(rwbuf)) { 1669 DNPRINTF(ARC_D_DB, "%s: rwlen too big\n", 1670 device_xname(sc->sc_dev)); 1671 error = EIO; 1672 goto out; 1673 } 1674 1675 arc_read_region(sc, ARC_REG_IOC_RBUF, rwbuf, 1676 sizeof(rwbuf)); 1677 1678 arc_write(sc, ARC_REG_INB_DOORBELL, 1679 ARC_REG_INB_DOORBELL_READ_OK); 1680 1681 #ifdef ARC_DEBUG 1682 printf("%s: len: %d+%d=%d/%d\n", 1683 device_xname(sc->sc_dev), 1684 rwlen, rdone, rwlen + rdone, rlen); 1685 if (arcdebug & ARC_D_DB) { 1686 printf("%s: read:", 1687 device_xname(sc->sc_dev)); 1688 for (i = 0; i < rwlen; i++) 1689 printf(" 0x%02x", rwbuf[i]); 1690 printf("\n"); 1691 } 1692 #endif 1693 1694 if ((rdone + rwlen) > rlen) { 1695 DNPRINTF(ARC_D_DB, "%s: rwbuf too big\n", 1696 device_xname(sc->sc_dev)); 1697 error = EIO; 1698 goto out; 1699 } 1700 1701 memcpy(&rbuf[rdone], rwbuf, rwlen); 1702 rdone += rwlen; 1703 } 1704 } while (rdone != rlen); 1705 1706 bufhdr = (struct arc_fw_bufhdr *)rbuf; 1707 if (memcmp(&bufhdr->hdr, &arc_fw_hdr, sizeof(bufhdr->hdr)) != 0 || 1708 bufhdr->len != htole16(rbuflen)) { 1709 DNPRINTF(ARC_D_DB, "%s: rbuf hdr is wrong\n", 1710 device_xname(sc->sc_dev)); 1711 error = EIO; 1712 goto out; 1713 } 1714 1715 memcpy(rptr, rbuf + sizeof(struct arc_fw_bufhdr), rbuflen); 1716 1717 if (rbuf[rlen - 1] != arc_msg_cksum(rptr, rbuflen)) { 1718 DNPRINTF(ARC_D_DB, "%s: invalid cksum\n", 1719 device_xname(sc->sc_dev)); 1720 error = EIO; 1721 goto out; 1722 } 1723 1724 out: 1725 arc_unlock(sc); 1726 kmem_free(wbuf, wlen); 1727 kmem_free(rbuf, rlen); 1728 1729 return error; 1730 } 1731 1732 static void 1733 arc_lock(struct arc_softc *sc) 1734 { 1735 rw_enter(&sc->sc_rwlock, RW_WRITER); 1736 mutex_spin_enter(&sc->sc_mutex); 1737 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE); 1738 sc->sc_talking = 1; 1739 } 1740 1741 static void 1742 arc_unlock(struct arc_softc *sc) 1743 { 1744 KASSERT(mutex_owned(&sc->sc_mutex)); 1745 1746 arc_write(sc, ARC_REG_INTRMASK, 1747 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL)); 1748 sc->sc_talking = 0; 1749 mutex_spin_exit(&sc->sc_mutex); 1750 rw_exit(&sc->sc_rwlock); 1751 } 1752 1753 static void 1754 arc_wait(struct arc_softc *sc) 1755 { 1756 KASSERT(mutex_owned(&sc->sc_mutex)); 1757 1758 arc_write(sc, ARC_REG_INTRMASK, 1759 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL)); 1760 if (cv_timedwait(&sc->sc_condvar, &sc->sc_mutex, hz) == EWOULDBLOCK) 1761 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE); 1762 } 1763 1764 1765 static void 1766 arc_create_sensors(void *arg) 1767 { 1768 struct arc_softc *sc = arg; 1769 struct bioc_inq bi; 1770 struct bioc_vol bv; 1771 int i, j; 1772 size_t slen, count = 0; 1773 1774 memset(&bi, 0, sizeof(bi)); 1775 if (arc_bio_inq(sc, &bi) != 0) { 1776 aprint_error("%s: unable to query firmware for sensor info\n", 1777 device_xname(sc->sc_dev)); 1778 kthread_exit(0); 1779 } 1780 1781 /* There's no point to continue if there are no volumes */ 1782 if (!bi.bi_novol) 1783 kthread_exit(0); 1784 1785 for (i = 0; i < bi.bi_novol; i++) { 1786 memset(&bv, 0, sizeof(bv)); 1787 bv.bv_volid = i; 1788 if (arc_bio_vol(sc, &bv) != 0) 1789 kthread_exit(0); 1790 1791 /* Skip passthrough volumes */ 1792 if (bv.bv_level == BIOC_SVOL_PASSTHRU) 1793 continue; 1794 1795 /* new volume found */ 1796 sc->sc_nsensors++; 1797 /* new disk in a volume found */ 1798 sc->sc_nsensors+= bv.bv_nodisk; 1799 } 1800 1801 /* No valid volumes */ 1802 if (!sc->sc_nsensors) 1803 kthread_exit(0); 1804 1805 sc->sc_sme = sysmon_envsys_create(); 1806 slen = sizeof(arc_edata_t) * sc->sc_nsensors; 1807 sc->sc_arc_sensors = kmem_zalloc(slen, KM_SLEEP); 1808 1809 /* Attach sensors for volumes and disks */ 1810 for (i = 0; i < bi.bi_novol; i++) { 1811 memset(&bv, 0, sizeof(bv)); 1812 bv.bv_volid = i; 1813 if (arc_bio_vol(sc, &bv) != 0) 1814 goto bad; 1815 1816 sc->sc_arc_sensors[count].arc_sensor.units = ENVSYS_DRIVE; 1817 sc->sc_arc_sensors[count].arc_sensor.state = ENVSYS_SINVALID; 1818 sc->sc_arc_sensors[count].arc_sensor.value_cur = 1819 ENVSYS_DRIVE_EMPTY; 1820 sc->sc_arc_sensors[count].arc_sensor.flags = 1821 ENVSYS_FMONSTCHANGED; 1822 1823 /* Skip passthrough volumes */ 1824 if (bv.bv_level == BIOC_SVOL_PASSTHRU) 1825 continue; 1826 1827 if (bv.bv_level == BIOC_SVOL_RAID10) 1828 snprintf(sc->sc_arc_sensors[count].arc_sensor.desc, 1829 sizeof(sc->sc_arc_sensors[count].arc_sensor.desc), 1830 "RAID 1+0 volume%d (%s)", i, bv.bv_dev); 1831 else 1832 snprintf(sc->sc_arc_sensors[count].arc_sensor.desc, 1833 sizeof(sc->sc_arc_sensors[count].arc_sensor.desc), 1834 "RAID %d volume%d (%s)", bv.bv_level, i, 1835 bv.bv_dev); 1836 1837 sc->sc_arc_sensors[count].arc_volid = i; 1838 1839 if (sysmon_envsys_sensor_attach(sc->sc_sme, 1840 &sc->sc_arc_sensors[count].arc_sensor)) 1841 goto bad; 1842 1843 count++; 1844 1845 /* Attach disk sensors for this volume */ 1846 for (j = 0; j < bv.bv_nodisk; j++) { 1847 sc->sc_arc_sensors[count].arc_sensor.state = 1848 ENVSYS_SINVALID; 1849 sc->sc_arc_sensors[count].arc_sensor.units = 1850 ENVSYS_DRIVE; 1851 sc->sc_arc_sensors[count].arc_sensor.value_cur = 1852 ENVSYS_DRIVE_EMPTY; 1853 sc->sc_arc_sensors[count].arc_sensor.flags = 1854 ENVSYS_FMONSTCHANGED; 1855 1856 snprintf(sc->sc_arc_sensors[count].arc_sensor.desc, 1857 sizeof(sc->sc_arc_sensors[count].arc_sensor.desc), 1858 "disk%d volume%d (%s)", j, i, bv.bv_dev); 1859 sc->sc_arc_sensors[count].arc_volid = i; 1860 sc->sc_arc_sensors[count].arc_diskid = j + 10; 1861 1862 if (sysmon_envsys_sensor_attach(sc->sc_sme, 1863 &sc->sc_arc_sensors[count].arc_sensor)) 1864 goto bad; 1865 1866 count++; 1867 } 1868 } 1869 1870 /* 1871 * Register our envsys driver with the framework now that the 1872 * sensors were all attached. 1873 */ 1874 sc->sc_sme->sme_name = device_xname(sc->sc_dev); 1875 sc->sc_sme->sme_cookie = sc; 1876 sc->sc_sme->sme_refresh = arc_refresh_sensors; 1877 1878 if (sysmon_envsys_register(sc->sc_sme)) { 1879 aprint_debug("%s: unable to register with sysmon\n", 1880 device_xname(sc->sc_dev)); 1881 goto bad; 1882 } 1883 kthread_exit(0); 1884 1885 bad: 1886 sysmon_envsys_destroy(sc->sc_sme); 1887 kmem_free(sc->sc_arc_sensors, slen); 1888 1889 sc->sc_sme = NULL; 1890 sc->sc_arc_sensors = NULL; 1891 1892 kthread_exit(0); 1893 } 1894 1895 static void 1896 arc_refresh_sensors(struct sysmon_envsys *sme, envsys_data_t *edata) 1897 { 1898 struct arc_softc *sc = sme->sme_cookie; 1899 struct bioc_vol bv; 1900 struct bioc_disk bd; 1901 arc_edata_t *arcdata = (arc_edata_t *)edata; 1902 1903 /* sanity check */ 1904 if (edata->units != ENVSYS_DRIVE) 1905 return; 1906 1907 memset(&bv, 0, sizeof(bv)); 1908 bv.bv_volid = arcdata->arc_volid; 1909 1910 if (arc_bio_vol(sc, &bv)) { 1911 bv.bv_status = BIOC_SVINVALID; 1912 bio_vol_to_envsys(edata, &bv); 1913 return; 1914 } 1915 1916 if (arcdata->arc_diskid) { 1917 /* Current sensor is handling a disk volume member */ 1918 memset(&bd, 0, sizeof(bd)); 1919 bd.bd_volid = arcdata->arc_volid; 1920 bd.bd_diskid = arcdata->arc_diskid - 10; 1921 1922 if (arc_bio_disk_volume(sc, &bd)) 1923 bd.bd_status = BIOC_SDOFFLINE; 1924 bio_disk_to_envsys(edata, &bd); 1925 } else { 1926 /* Current sensor is handling a volume */ 1927 bio_vol_to_envsys(edata, &bv); 1928 } 1929 } 1930 #endif /* NBIO > 0 */ 1931 1932 static uint32_t 1933 arc_read(struct arc_softc *sc, bus_size_t r) 1934 { 1935 uint32_t v; 1936 1937 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, 1938 BUS_SPACE_BARRIER_READ); 1939 v = bus_space_read_4(sc->sc_iot, sc->sc_ioh, r); 1940 1941 DNPRINTF(ARC_D_RW, "%s: arc_read 0x%lx 0x%08x\n", 1942 device_xname(sc->sc_dev), r, v); 1943 1944 return v; 1945 } 1946 1947 static void 1948 arc_read_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len) 1949 { 1950 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len, 1951 BUS_SPACE_BARRIER_READ); 1952 bus_space_read_region_4(sc->sc_iot, sc->sc_ioh, r, 1953 (uint32_t *)buf, len >> 2); 1954 } 1955 1956 static void 1957 arc_write(struct arc_softc *sc, bus_size_t r, uint32_t v) 1958 { 1959 DNPRINTF(ARC_D_RW, "%s: arc_write 0x%lx 0x%08x\n", 1960 device_xname(sc->sc_dev), r, v); 1961 1962 bus_space_write_4(sc->sc_iot, sc->sc_ioh, r, v); 1963 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, 1964 BUS_SPACE_BARRIER_WRITE); 1965 } 1966 1967 #if NBIO > 0 1968 static void 1969 arc_write_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len) 1970 { 1971 bus_space_write_region_4(sc->sc_iot, sc->sc_ioh, r, 1972 (const uint32_t *)buf, len >> 2); 1973 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len, 1974 BUS_SPACE_BARRIER_WRITE); 1975 } 1976 #endif /* NBIO > 0 */ 1977 1978 static int 1979 arc_wait_eq(struct arc_softc *sc, bus_size_t r, uint32_t mask, 1980 uint32_t target) 1981 { 1982 int i; 1983 1984 DNPRINTF(ARC_D_RW, "%s: arc_wait_eq 0x%lx 0x%08x 0x%08x\n", 1985 device_xname(sc->sc_dev), r, mask, target); 1986 1987 for (i = 0; i < 10000; i++) { 1988 if ((arc_read(sc, r) & mask) == target) 1989 return 0; 1990 delay(1000); 1991 } 1992 1993 return 1; 1994 } 1995 1996 #if unused 1997 static int 1998 arc_wait_ne(struct arc_softc *sc, bus_size_t r, uint32_t mask, 1999 uint32_t target) 2000 { 2001 int i; 2002 2003 DNPRINTF(ARC_D_RW, "%s: arc_wait_ne 0x%lx 0x%08x 0x%08x\n", 2004 device_xname(sc->sc_dev), r, mask, target); 2005 2006 for (i = 0; i < 10000; i++) { 2007 if ((arc_read(sc, r) & mask) != target) 2008 return 0; 2009 delay(1000); 2010 } 2011 2012 return 1; 2013 } 2014 #endif 2015 2016 static int 2017 arc_msg0(struct arc_softc *sc, uint32_t m) 2018 { 2019 /* post message */ 2020 arc_write(sc, ARC_REG_INB_MSG0, m); 2021 /* wait for the fw to do it */ 2022 if (arc_wait_eq(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0, 2023 ARC_REG_INTRSTAT_MSG0) != 0) 2024 return 1; 2025 2026 /* ack it */ 2027 arc_write(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0); 2028 2029 return 0; 2030 } 2031 2032 static struct arc_dmamem * 2033 arc_dmamem_alloc(struct arc_softc *sc, size_t size) 2034 { 2035 struct arc_dmamem *adm; 2036 int nsegs; 2037 2038 adm = kmem_zalloc(sizeof(*adm), KM_SLEEP); 2039 adm->adm_size = size; 2040 2041 if (bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 2042 BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW, &adm->adm_map) != 0) 2043 goto admfree; 2044 2045 if (bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &adm->adm_seg, 2046 1, &nsegs, BUS_DMA_NOWAIT) != 0) 2047 goto destroy; 2048 2049 if (bus_dmamem_map(sc->sc_dmat, &adm->adm_seg, nsegs, size, 2050 &adm->adm_kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT) != 0) 2051 goto free; 2052 2053 if (bus_dmamap_load(sc->sc_dmat, adm->adm_map, adm->adm_kva, size, 2054 NULL, BUS_DMA_NOWAIT) != 0) 2055 goto unmap; 2056 2057 memset(adm->adm_kva, 0, size); 2058 2059 return adm; 2060 2061 unmap: 2062 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, size); 2063 free: 2064 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1); 2065 destroy: 2066 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map); 2067 admfree: 2068 kmem_free(adm, sizeof(*adm)); 2069 2070 return NULL; 2071 } 2072 2073 static void 2074 arc_dmamem_free(struct arc_softc *sc, struct arc_dmamem *adm) 2075 { 2076 bus_dmamap_unload(sc->sc_dmat, adm->adm_map); 2077 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, adm->adm_size); 2078 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1); 2079 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map); 2080 kmem_free(adm, sizeof(*adm)); 2081 } 2082 2083 static int 2084 arc_alloc_ccbs(device_t self) 2085 { 2086 struct arc_softc *sc = device_private(self); 2087 struct arc_ccb *ccb; 2088 uint8_t *cmd; 2089 int i; 2090 size_t ccbslen; 2091 2092 TAILQ_INIT(&sc->sc_ccb_free); 2093 2094 ccbslen = sizeof(struct arc_ccb) * sc->sc_req_count; 2095 sc->sc_ccbs = kmem_zalloc(ccbslen, KM_SLEEP); 2096 2097 sc->sc_requests = arc_dmamem_alloc(sc, 2098 ARC_MAX_IOCMDLEN * sc->sc_req_count); 2099 if (sc->sc_requests == NULL) { 2100 aprint_error_dev(self, "unable to allocate ccb dmamem\n"); 2101 goto free_ccbs; 2102 } 2103 cmd = ARC_DMA_KVA(sc->sc_requests); 2104 2105 for (i = 0; i < sc->sc_req_count; i++) { 2106 ccb = &sc->sc_ccbs[i]; 2107 2108 if (bus_dmamap_create(sc->sc_dmat, MAXPHYS, ARC_SGL_MAXLEN, 2109 MAXPHYS, 0, 0, &ccb->ccb_dmamap) != 0) { 2110 aprint_error_dev(self, 2111 "unable to create dmamap for ccb %d\n", i); 2112 goto free_maps; 2113 } 2114 2115 ccb->ccb_sc = sc; 2116 ccb->ccb_id = i; 2117 ccb->ccb_offset = ARC_MAX_IOCMDLEN * i; 2118 2119 ccb->ccb_cmd = (struct arc_io_cmd *)&cmd[ccb->ccb_offset]; 2120 ccb->ccb_cmd_post = (ARC_DMA_DVA(sc->sc_requests) + 2121 ccb->ccb_offset) >> ARC_REG_POST_QUEUE_ADDR_SHIFT; 2122 2123 arc_put_ccb(sc, ccb); 2124 } 2125 2126 return 0; 2127 2128 free_maps: 2129 while ((ccb = arc_get_ccb(sc)) != NULL) 2130 bus_dmamap_destroy(sc->sc_dmat, ccb->ccb_dmamap); 2131 arc_dmamem_free(sc, sc->sc_requests); 2132 2133 free_ccbs: 2134 kmem_free(sc->sc_ccbs, ccbslen); 2135 2136 return 1; 2137 } 2138 2139 static struct arc_ccb * 2140 arc_get_ccb(struct arc_softc *sc) 2141 { 2142 struct arc_ccb *ccb; 2143 2144 ccb = TAILQ_FIRST(&sc->sc_ccb_free); 2145 if (ccb != NULL) 2146 TAILQ_REMOVE(&sc->sc_ccb_free, ccb, ccb_link); 2147 2148 return ccb; 2149 } 2150 2151 static void 2152 arc_put_ccb(struct arc_softc *sc, struct arc_ccb *ccb) 2153 { 2154 ccb->ccb_xs = NULL; 2155 memset(ccb->ccb_cmd, 0, ARC_MAX_IOCMDLEN); 2156 TAILQ_INSERT_TAIL(&sc->sc_ccb_free, ccb, ccb_link); 2157 } 2158
Indexes created Fri Sep 26 20:09:58 GMT 2025