arcmsr.c revision 1.35
1 /* $NetBSD: arcmsr.c,v 1.35 2016/06/19 06:58:17 dholland 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 1.35 2016/06/19 06:58:17 dholland 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 /* 113 * interface for scsi midlayer to talk to. 114 */ 115 static void arc_scsi_cmd(struct scsipi_channel *, scsipi_adapter_req_t, 116 void *); 117 118 /* 119 * code to deal with getting bits in and out of the bus space. 120 */ 121 static uint32_t arc_read(struct arc_softc *, bus_size_t); 122 static void arc_read_region(struct arc_softc *, bus_size_t, void *, 123 size_t); 124 static void arc_write(struct arc_softc *, bus_size_t, uint32_t); 125 static void arc_write_region(struct arc_softc *, bus_size_t, void *, 126 size_t); 127 static int arc_wait_eq(struct arc_softc *, bus_size_t, uint32_t, 128 uint32_t); 129 #ifdef unused 130 static int arc_wait_ne(struct arc_softc *, bus_size_t, uint32_t, 131 uint32_t); 132 #endif 133 static int arc_msg0(struct arc_softc *, uint32_t); 134 static struct arc_dmamem *arc_dmamem_alloc(struct arc_softc *, size_t); 135 static void arc_dmamem_free(struct arc_softc *, 136 struct arc_dmamem *); 137 138 static int arc_alloc_ccbs(device_t); 139 static struct arc_ccb *arc_get_ccb(struct arc_softc *); 140 static void arc_put_ccb(struct arc_softc *, struct arc_ccb *); 141 static int arc_load_xs(struct arc_ccb *); 142 static int arc_complete(struct arc_softc *, struct arc_ccb *, int); 143 static void arc_scsi_cmd_done(struct arc_softc *, struct arc_ccb *, 144 uint32_t); 145 146 /* 147 * real stuff for dealing with the hardware. 148 */ 149 static int arc_map_pci_resources(device_t, struct pci_attach_args *); 150 static void arc_unmap_pci_resources(struct arc_softc *); 151 static int arc_query_firmware(device_t); 152 153 /* 154 * stuff to do messaging via the doorbells. 155 */ 156 #if NBIO > 0 157 static void arc_lock(struct arc_softc *); 158 static void arc_unlock(struct arc_softc *); 159 static void arc_wait(struct arc_softc *); 160 static uint8_t arc_msg_cksum(void *, uint16_t); 161 static int arc_msgbuf(struct arc_softc *, void *, size_t, void *, size_t); 162 #endif 163 164 #define arc_push(_s, _r) arc_write((_s), ARC_REG_POST_QUEUE, (_r)) 165 #define arc_pop(_s) arc_read((_s), ARC_REG_REPLY_QUEUE) 166 167 static int 168 arc_match(device_t parent, cfdata_t match, void *aux) 169 { 170 struct pci_attach_args *pa = aux; 171 172 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ARECA) { 173 switch (PCI_PRODUCT(pa->pa_id)) { 174 case PCI_PRODUCT_ARECA_ARC1110: 175 case PCI_PRODUCT_ARECA_ARC1120: 176 case PCI_PRODUCT_ARECA_ARC1130: 177 case PCI_PRODUCT_ARECA_ARC1160: 178 case PCI_PRODUCT_ARECA_ARC1170: 179 case PCI_PRODUCT_ARECA_ARC1200: 180 case PCI_PRODUCT_ARECA_ARC1202: 181 case PCI_PRODUCT_ARECA_ARC1210: 182 case PCI_PRODUCT_ARECA_ARC1220: 183 case PCI_PRODUCT_ARECA_ARC1230: 184 case PCI_PRODUCT_ARECA_ARC1260: 185 case PCI_PRODUCT_ARECA_ARC1270: 186 case PCI_PRODUCT_ARECA_ARC1280: 187 case PCI_PRODUCT_ARECA_ARC1380: 188 case PCI_PRODUCT_ARECA_ARC1381: 189 case PCI_PRODUCT_ARECA_ARC1680: 190 case PCI_PRODUCT_ARECA_ARC1681: 191 return 1; 192 default: 193 break; 194 } 195 } 196 197 return 0; 198 } 199 200 static void 201 arc_attach(device_t parent, device_t self, void *aux) 202 { 203 struct arc_softc *sc = device_private(self); 204 struct pci_attach_args *pa = aux; 205 struct scsipi_adapter *adapt = &sc->sc_adapter; 206 struct scsipi_channel *chan = &sc->sc_chan; 207 208 sc->sc_dev = self; 209 sc->sc_talking = 0; 210 rw_init(&sc->sc_rwlock); 211 mutex_init(&sc->sc_mutex, MUTEX_DEFAULT, IPL_BIO); 212 cv_init(&sc->sc_condvar, "arcdb"); 213 214 if (arc_map_pci_resources(self, pa) != 0) { 215 /* error message printed by arc_map_pci_resources */ 216 return; 217 } 218 219 if (arc_query_firmware(self) != 0) { 220 /* error message printed by arc_query_firmware */ 221 goto unmap_pci; 222 } 223 224 if (arc_alloc_ccbs(self) != 0) { 225 /* error message printed by arc_alloc_ccbs */ 226 goto unmap_pci; 227 } 228 229 if (!pmf_device_register1(self, NULL, NULL, arc_shutdown)) 230 panic("%s: couldn't establish shutdown handler\n", 231 device_xname(self)); 232 233 memset(adapt, 0, sizeof(*adapt)); 234 adapt->adapt_dev = self; 235 adapt->adapt_nchannels = 1; 236 adapt->adapt_openings = sc->sc_req_count / ARC_MAX_TARGET; 237 adapt->adapt_max_periph = adapt->adapt_openings; 238 adapt->adapt_minphys = arc_minphys; 239 adapt->adapt_request = arc_scsi_cmd; 240 241 memset(chan, 0, sizeof(*chan)); 242 chan->chan_adapter = adapt; 243 chan->chan_bustype = &scsi_bustype; 244 chan->chan_nluns = ARC_MAX_LUN; 245 chan->chan_ntargets = ARC_MAX_TARGET; 246 chan->chan_id = ARC_MAX_TARGET; 247 chan->chan_flags = SCSIPI_CHAN_NOSETTLE; 248 249 /* 250 * Save the device_t returned, because we could to attach 251 * devices via the management interface. 252 */ 253 sc->sc_scsibus_dv = config_found(self, &sc->sc_chan, scsiprint); 254 255 /* enable interrupts */ 256 arc_write(sc, ARC_REG_INTRMASK, 257 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRSTAT_DOORBELL)); 258 259 #if NBIO > 0 260 /* 261 * Register the driver to bio(4) and setup the sensors. 262 */ 263 if (bio_register(self, arc_bioctl) != 0) 264 panic("%s: bioctl registration failed\n", device_xname(self)); 265 266 /* 267 * you need to talk to the firmware to get volume info. our firmware 268 * interface relies on being able to sleep, so we need to use a thread 269 * to do the work. 270 */ 271 if (kthread_create(PRI_NONE, KTHREAD_MPSAFE, NULL, 272 arc_create_sensors, sc, &sc->sc_lwp, "arcmsr_sensors") != 0) 273 panic("%s: unable to create a kernel thread for sensors\n", 274 device_xname(self)); 275 #endif 276 277 return; 278 279 unmap_pci: 280 arc_unmap_pci_resources(sc); 281 } 282 283 static int 284 arc_detach(device_t self, int flags) 285 { 286 struct arc_softc *sc = device_private(self); 287 288 if (arc_msg0(sc, ARC_REG_INB_MSG0_STOP_BGRB) != 0) 289 aprint_error_dev(self, "timeout waiting to stop bg rebuild\n"); 290 291 if (arc_msg0(sc, ARC_REG_INB_MSG0_FLUSH_CACHE) != 0) 292 aprint_error_dev(self, "timeout waiting to flush cache\n"); 293 294 if (sc->sc_sme != NULL) 295 sysmon_envsys_unregister(sc->sc_sme); 296 297 return 0; 298 } 299 300 static bool 301 arc_shutdown(device_t self, int how) 302 { 303 struct arc_softc *sc = device_private(self); 304 305 if (arc_msg0(sc, ARC_REG_INB_MSG0_STOP_BGRB) != 0) 306 aprint_error_dev(self, "timeout waiting to stop bg rebuild\n"); 307 308 if (arc_msg0(sc, ARC_REG_INB_MSG0_FLUSH_CACHE) != 0) 309 aprint_error_dev(self, "timeout waiting to flush cache\n"); 310 311 return true; 312 } 313 314 static void 315 arc_minphys(struct buf *bp) 316 { 317 if (bp->b_bcount > MAXPHYS) 318 bp->b_bcount = MAXPHYS; 319 minphys(bp); 320 } 321 322 static int 323 arc_intr(void *arg) 324 { 325 struct arc_softc *sc = arg; 326 struct arc_ccb *ccb = NULL; 327 char *kva = ARC_DMA_KVA(sc->sc_requests); 328 struct arc_io_cmd *cmd; 329 uint32_t reg, intrstat; 330 331 mutex_spin_enter(&sc->sc_mutex); 332 intrstat = arc_read(sc, ARC_REG_INTRSTAT); 333 if (intrstat == 0x0) { 334 mutex_spin_exit(&sc->sc_mutex); 335 return 0; 336 } 337 338 intrstat &= ARC_REG_INTRSTAT_POSTQUEUE | ARC_REG_INTRSTAT_DOORBELL; 339 arc_write(sc, ARC_REG_INTRSTAT, intrstat); 340 341 if (intrstat & ARC_REG_INTRSTAT_DOORBELL) { 342 if (sc->sc_talking) { 343 arc_write(sc, ARC_REG_INTRMASK, 344 ~ARC_REG_INTRMASK_POSTQUEUE); 345 cv_broadcast(&sc->sc_condvar); 346 } else { 347 /* otherwise drop it */ 348 reg = arc_read(sc, ARC_REG_OUTB_DOORBELL); 349 arc_write(sc, ARC_REG_OUTB_DOORBELL, reg); 350 if (reg & ARC_REG_OUTB_DOORBELL_WRITE_OK) 351 arc_write(sc, ARC_REG_INB_DOORBELL, 352 ARC_REG_INB_DOORBELL_READ_OK); 353 } 354 } 355 mutex_spin_exit(&sc->sc_mutex); 356 357 while ((reg = arc_pop(sc)) != 0xffffffff) { 358 cmd = (struct arc_io_cmd *)(kva + 359 ((reg << ARC_REG_REPLY_QUEUE_ADDR_SHIFT) - 360 (uint32_t)ARC_DMA_DVA(sc->sc_requests))); 361 ccb = &sc->sc_ccbs[htole32(cmd->cmd.context)]; 362 363 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), 364 ccb->ccb_offset, ARC_MAX_IOCMDLEN, 365 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 366 367 arc_scsi_cmd_done(sc, ccb, reg); 368 } 369 370 371 return 1; 372 } 373 374 void 375 arc_scsi_cmd(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg) 376 { 377 struct scsipi_periph *periph; 378 struct scsipi_xfer *xs; 379 struct scsipi_adapter *adapt = chan->chan_adapter; 380 struct arc_softc *sc = device_private(adapt->adapt_dev); 381 struct arc_ccb *ccb; 382 struct arc_msg_scsicmd *cmd; 383 uint32_t reg; 384 uint8_t target; 385 386 switch (req) { 387 case ADAPTER_REQ_GROW_RESOURCES: 388 /* Not supported. */ 389 return; 390 case ADAPTER_REQ_SET_XFER_MODE: 391 /* Not supported. */ 392 return; 393 case ADAPTER_REQ_RUN_XFER: 394 break; 395 } 396 397 mutex_spin_enter(&sc->sc_mutex); 398 399 xs = arg; 400 periph = xs->xs_periph; 401 target = periph->periph_target; 402 403 if (xs->cmdlen > ARC_MSG_CDBLEN) { 404 memset(&xs->sense, 0, sizeof(xs->sense)); 405 xs->sense.scsi_sense.response_code = SSD_RCODE_VALID | 0x70; 406 xs->sense.scsi_sense.flags = SKEY_ILLEGAL_REQUEST; 407 xs->sense.scsi_sense.asc = 0x20; 408 xs->error = XS_SENSE; 409 xs->status = SCSI_CHECK; 410 mutex_spin_exit(&sc->sc_mutex); 411 scsipi_done(xs); 412 return; 413 } 414 415 ccb = arc_get_ccb(sc); 416 if (ccb == NULL) { 417 xs->error = XS_RESOURCE_SHORTAGE; 418 mutex_spin_exit(&sc->sc_mutex); 419 scsipi_done(xs); 420 return; 421 } 422 423 ccb->ccb_xs = xs; 424 425 if (arc_load_xs(ccb) != 0) { 426 xs->error = XS_DRIVER_STUFFUP; 427 arc_put_ccb(sc, ccb); 428 mutex_spin_exit(&sc->sc_mutex); 429 scsipi_done(xs); 430 return; 431 } 432 433 cmd = &ccb->ccb_cmd->cmd; 434 reg = ccb->ccb_cmd_post; 435 436 /* bus is always 0 */ 437 cmd->target = target; 438 cmd->lun = periph->periph_lun; 439 cmd->function = 1; /* XXX magic number */ 440 441 cmd->cdb_len = xs->cmdlen; 442 cmd->sgl_len = ccb->ccb_dmamap->dm_nsegs; 443 if (xs->xs_control & XS_CTL_DATA_OUT) 444 cmd->flags = ARC_MSG_SCSICMD_FLAG_WRITE; 445 if (ccb->ccb_dmamap->dm_nsegs > ARC_SGL_256LEN) { 446 cmd->flags |= ARC_MSG_SCSICMD_FLAG_SGL_BSIZE_512; 447 reg |= ARC_REG_POST_QUEUE_BIGFRAME; 448 } 449 450 cmd->context = htole32(ccb->ccb_id); 451 cmd->data_len = htole32(xs->datalen); 452 453 memcpy(cmd->cdb, xs->cmd, xs->cmdlen); 454 455 /* we've built the command, let's put it on the hw */ 456 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), 457 ccb->ccb_offset, ARC_MAX_IOCMDLEN, 458 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 459 460 arc_push(sc, reg); 461 if (xs->xs_control & XS_CTL_POLL) { 462 if (arc_complete(sc, ccb, xs->timeout) != 0) { 463 xs->error = XS_DRIVER_STUFFUP; 464 mutex_spin_exit(&sc->sc_mutex); 465 scsipi_done(xs); 466 return; 467 } 468 } 469 470 mutex_spin_exit(&sc->sc_mutex); 471 } 472 473 int 474 arc_load_xs(struct arc_ccb *ccb) 475 { 476 struct arc_softc *sc = ccb->ccb_sc; 477 struct scsipi_xfer *xs = ccb->ccb_xs; 478 bus_dmamap_t dmap = ccb->ccb_dmamap; 479 struct arc_sge *sgl = ccb->ccb_cmd->sgl, *sge; 480 uint64_t addr; 481 int i, error; 482 483 if (xs->datalen == 0) 484 return 0; 485 486 error = bus_dmamap_load(sc->sc_dmat, dmap, 487 xs->data, xs->datalen, NULL, 488 (xs->xs_control & XS_CTL_NOSLEEP) ? 489 BUS_DMA_NOWAIT : BUS_DMA_WAITOK); 490 if (error != 0) { 491 aprint_error("%s: error %d loading dmamap\n", 492 device_xname(sc->sc_dev), error); 493 return 1; 494 } 495 496 for (i = 0; i < dmap->dm_nsegs; i++) { 497 sge = &sgl[i]; 498 499 sge->sg_hdr = htole32(ARC_SGE_64BIT | dmap->dm_segs[i].ds_len); 500 addr = dmap->dm_segs[i].ds_addr; 501 sge->sg_hi_addr = htole32((uint32_t)(addr >> 32)); 502 sge->sg_lo_addr = htole32((uint32_t)addr); 503 } 504 505 bus_dmamap_sync(sc->sc_dmat, dmap, 0, dmap->dm_mapsize, 506 (xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMASYNC_PREREAD : 507 BUS_DMASYNC_PREWRITE); 508 509 return 0; 510 } 511 512 void 513 arc_scsi_cmd_done(struct arc_softc *sc, struct arc_ccb *ccb, uint32_t reg) 514 { 515 struct scsipi_xfer *xs = ccb->ccb_xs; 516 struct arc_msg_scsicmd *cmd; 517 518 if (xs->datalen != 0) { 519 bus_dmamap_sync(sc->sc_dmat, ccb->ccb_dmamap, 0, 520 ccb->ccb_dmamap->dm_mapsize, 521 (xs->xs_control & XS_CTL_DATA_IN) ? 522 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 523 bus_dmamap_unload(sc->sc_dmat, ccb->ccb_dmamap); 524 } 525 526 /* timeout_del */ 527 xs->status |= XS_STS_DONE; 528 529 if (reg & ARC_REG_REPLY_QUEUE_ERR) { 530 cmd = &ccb->ccb_cmd->cmd; 531 532 switch (cmd->status) { 533 case ARC_MSG_STATUS_SELTIMEOUT: 534 case ARC_MSG_STATUS_ABORTED: 535 case ARC_MSG_STATUS_INIT_FAIL: 536 xs->status = SCSI_OK; 537 xs->error = XS_SELTIMEOUT; 538 break; 539 540 case SCSI_CHECK: 541 memset(&xs->sense, 0, sizeof(xs->sense)); 542 memcpy(&xs->sense, cmd->sense_data, 543 min(ARC_MSG_SENSELEN, sizeof(xs->sense))); 544 xs->sense.scsi_sense.response_code = 545 SSD_RCODE_VALID | 0x70; 546 xs->status = SCSI_CHECK; 547 xs->error = XS_SENSE; 548 xs->resid = 0; 549 break; 550 551 default: 552 /* unknown device status */ 553 xs->error = XS_BUSY; /* try again later? */ 554 xs->status = SCSI_BUSY; 555 break; 556 } 557 } else { 558 xs->status = SCSI_OK; 559 xs->error = XS_NOERROR; 560 xs->resid = 0; 561 } 562 563 arc_put_ccb(sc, ccb); 564 scsipi_done(xs); 565 } 566 567 int 568 arc_complete(struct arc_softc *sc, struct arc_ccb *nccb, int timeout) 569 { 570 struct arc_ccb *ccb = NULL; 571 char *kva = ARC_DMA_KVA(sc->sc_requests); 572 struct arc_io_cmd *cmd; 573 uint32_t reg; 574 575 do { 576 reg = arc_pop(sc); 577 if (reg == 0xffffffff) { 578 if (timeout-- == 0) 579 return 1; 580 581 delay(1000); 582 continue; 583 } 584 585 cmd = (struct arc_io_cmd *)(kva + 586 ((reg << ARC_REG_REPLY_QUEUE_ADDR_SHIFT) - 587 ARC_DMA_DVA(sc->sc_requests))); 588 ccb = &sc->sc_ccbs[htole32(cmd->cmd.context)]; 589 590 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), 591 ccb->ccb_offset, ARC_MAX_IOCMDLEN, 592 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 593 594 arc_scsi_cmd_done(sc, ccb, reg); 595 } while (nccb != ccb); 596 597 return 0; 598 } 599 600 int 601 arc_map_pci_resources(device_t self, struct pci_attach_args *pa) 602 { 603 struct arc_softc *sc = device_private(self); 604 pcireg_t memtype; 605 pci_intr_handle_t ih; 606 char intrbuf[PCI_INTRSTR_LEN]; 607 608 sc->sc_pc = pa->pa_pc; 609 sc->sc_tag = pa->pa_tag; 610 sc->sc_dmat = pa->pa_dmat; 611 612 memtype = pci_mapreg_type(sc->sc_pc, sc->sc_tag, ARC_PCI_BAR); 613 if (pci_mapreg_map(pa, ARC_PCI_BAR, memtype, 0, &sc->sc_iot, 614 &sc->sc_ioh, NULL, &sc->sc_ios) != 0) { 615 aprint_error(": unable to map system interface register\n"); 616 return 1; 617 } 618 619 if (pci_intr_map(pa, &ih) != 0) { 620 aprint_error(": unable to map interrupt\n"); 621 goto unmap; 622 } 623 624 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, 625 arc_intr, sc); 626 if (sc->sc_ih == NULL) { 627 aprint_error(": unable to map interrupt [2]\n"); 628 goto unmap; 629 } 630 631 aprint_normal("\n"); 632 aprint_normal_dev(self, "interrupting at %s\n", 633 pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf))); 634 635 return 0; 636 637 unmap: 638 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 639 sc->sc_ios = 0; 640 return 1; 641 } 642 643 void 644 arc_unmap_pci_resources(struct arc_softc *sc) 645 { 646 pci_intr_disestablish(sc->sc_pc, sc->sc_ih); 647 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 648 sc->sc_ios = 0; 649 } 650 651 int 652 arc_query_firmware(device_t self) 653 { 654 struct arc_softc *sc = device_private(self); 655 struct arc_msg_firmware_info fwinfo; 656 char string[81]; /* sizeof(vendor)*2+1 */ 657 658 if (arc_wait_eq(sc, ARC_REG_OUTB_ADDR1, ARC_REG_OUTB_ADDR1_FIRMWARE_OK, 659 ARC_REG_OUTB_ADDR1_FIRMWARE_OK) != 0) { 660 aprint_debug_dev(self, "timeout waiting for firmware ok\n"); 661 return 1; 662 } 663 664 if (arc_msg0(sc, ARC_REG_INB_MSG0_GET_CONFIG) != 0) { 665 aprint_debug_dev(self, "timeout waiting for get config\n"); 666 return 1; 667 } 668 669 if (arc_msg0(sc, ARC_REG_INB_MSG0_START_BGRB) != 0) { 670 aprint_debug_dev(self, "timeout waiting to start bg rebuild\n"); 671 return 1; 672 } 673 674 arc_read_region(sc, ARC_REG_MSGBUF, &fwinfo, sizeof(fwinfo)); 675 676 DNPRINTF(ARC_D_INIT, "%s: signature: 0x%08x\n", 677 device_xname(self), htole32(fwinfo.signature)); 678 679 if (htole32(fwinfo.signature) != ARC_FWINFO_SIGNATURE_GET_CONFIG) { 680 aprint_error_dev(self, "invalid firmware info from iop\n"); 681 return 1; 682 } 683 684 DNPRINTF(ARC_D_INIT, "%s: request_len: %d\n", 685 device_xname(self), htole32(fwinfo.request_len)); 686 DNPRINTF(ARC_D_INIT, "%s: queue_len: %d\n", 687 device_xname(self), htole32(fwinfo.queue_len)); 688 DNPRINTF(ARC_D_INIT, "%s: sdram_size: %d\n", 689 device_xname(self), htole32(fwinfo.sdram_size)); 690 DNPRINTF(ARC_D_INIT, "%s: sata_ports: %d\n", 691 device_xname(self), htole32(fwinfo.sata_ports)); 692 693 strnvisx(string, sizeof(string), fwinfo.vendor, sizeof(fwinfo.vendor), 694 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 695 DNPRINTF(ARC_D_INIT, "%s: vendor: \"%s\"\n", 696 device_xname(self), string); 697 698 strnvisx(string, sizeof(string), fwinfo.model, sizeof(fwinfo.model), 699 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 700 aprint_normal_dev(self, "Areca %s Host Adapter RAID controller\n", 701 string); 702 703 strnvisx(string, sizeof(string), fwinfo.fw_version, 704 sizeof(fwinfo.fw_version), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 705 DNPRINTF(ARC_D_INIT, "%s: version: \"%s\"\n", 706 device_xname(self), string); 707 708 aprint_normal_dev(self, "%d ports, %dMB SDRAM, firmware <%s>\n", 709 htole32(fwinfo.sata_ports), htole32(fwinfo.sdram_size), string); 710 711 if (htole32(fwinfo.request_len) != ARC_MAX_IOCMDLEN) { 712 aprint_error_dev(self, 713 "unexpected request frame size (%d != %d)\n", 714 htole32(fwinfo.request_len), ARC_MAX_IOCMDLEN); 715 return 1; 716 } 717 718 sc->sc_req_count = htole32(fwinfo.queue_len); 719 720 return 0; 721 } 722 723 #if NBIO > 0 724 static int 725 arc_bioctl(device_t self, u_long cmd, void *addr) 726 { 727 struct arc_softc *sc = device_private(self); 728 int error = 0; 729 730 switch (cmd) { 731 case BIOCINQ: 732 error = arc_bio_inq(sc, (struct bioc_inq *)addr); 733 break; 734 735 case BIOCVOL: 736 error = arc_bio_vol(sc, (struct bioc_vol *)addr); 737 break; 738 739 case BIOCDISK: 740 error = arc_bio_disk_volume(sc, (struct bioc_disk *)addr); 741 break; 742 743 case BIOCDISK_NOVOL: 744 error = arc_bio_disk_novol(sc, (struct bioc_disk *)addr); 745 break; 746 747 case BIOCALARM: 748 error = arc_bio_alarm(sc, (struct bioc_alarm *)addr); 749 break; 750 751 case BIOCSETSTATE: 752 error = arc_bio_setstate(sc, (struct bioc_setstate *)addr); 753 break; 754 755 case BIOCVOLOPS: 756 error = arc_bio_volops(sc, (struct bioc_volops *)addr); 757 break; 758 759 default: 760 error = ENOTTY; 761 break; 762 } 763 764 return error; 765 } 766 767 static int 768 arc_fw_parse_status_code(struct arc_softc *sc, uint8_t *reply) 769 { 770 switch (*reply) { 771 case ARC_FW_CMD_RAIDINVAL: 772 printf("%s: firmware error (invalid raid set)\n", 773 device_xname(sc->sc_dev)); 774 return EINVAL; 775 case ARC_FW_CMD_VOLINVAL: 776 printf("%s: firmware error (invalid volume set)\n", 777 device_xname(sc->sc_dev)); 778 return EINVAL; 779 case ARC_FW_CMD_NORAID: 780 printf("%s: firmware error (unexistent raid set)\n", 781 device_xname(sc->sc_dev)); 782 return ENODEV; 783 case ARC_FW_CMD_NOVOLUME: 784 printf("%s: firmware error (unexistent volume set)\n", 785 device_xname(sc->sc_dev)); 786 return ENODEV; 787 case ARC_FW_CMD_NOPHYSDRV: 788 printf("%s: firmware error (unexistent physical drive)\n", 789 device_xname(sc->sc_dev)); 790 return ENODEV; 791 case ARC_FW_CMD_PARAM_ERR: 792 printf("%s: firmware error (parameter error)\n", 793 device_xname(sc->sc_dev)); 794 return EINVAL; 795 case ARC_FW_CMD_UNSUPPORTED: 796 printf("%s: firmware error (unsupported command)\n", 797 device_xname(sc->sc_dev)); 798 return EOPNOTSUPP; 799 case ARC_FW_CMD_DISKCFG_CHGD: 800 printf("%s: firmware error (disk configuration changed)\n", 801 device_xname(sc->sc_dev)); 802 return EINVAL; 803 case ARC_FW_CMD_PASS_INVAL: 804 printf("%s: firmware error (invalid password)\n", 805 device_xname(sc->sc_dev)); 806 return EINVAL; 807 case ARC_FW_CMD_NODISKSPACE: 808 printf("%s: firmware error (no disk space available)\n", 809 device_xname(sc->sc_dev)); 810 return EOPNOTSUPP; 811 case ARC_FW_CMD_CHECKSUM_ERR: 812 printf("%s: firmware error (checksum error)\n", 813 device_xname(sc->sc_dev)); 814 return EINVAL; 815 case ARC_FW_CMD_PASS_REQD: 816 printf("%s: firmware error (password required)\n", 817 device_xname(sc->sc_dev)); 818 return EPERM; 819 case ARC_FW_CMD_OK: 820 default: 821 return 0; 822 } 823 } 824 825 static int 826 arc_bio_alarm(struct arc_softc *sc, struct bioc_alarm *ba) 827 { 828 uint8_t request[2], reply[1]; 829 size_t len; 830 int error = 0; 831 832 switch (ba->ba_opcode) { 833 case BIOC_SAENABLE: 834 case BIOC_SADISABLE: 835 request[0] = ARC_FW_SET_ALARM; 836 request[1] = (ba->ba_opcode == BIOC_SAENABLE) ? 837 ARC_FW_SET_ALARM_ENABLE : ARC_FW_SET_ALARM_DISABLE; 838 len = sizeof(request); 839 840 break; 841 842 case BIOC_SASILENCE: 843 request[0] = ARC_FW_MUTE_ALARM; 844 len = 1; 845 846 break; 847 848 case BIOC_GASTATUS: 849 /* system info is too big/ugly to deal with here */ 850 return arc_bio_alarm_state(sc, ba); 851 852 default: 853 return EOPNOTSUPP; 854 } 855 856 error = arc_msgbuf(sc, request, len, reply, sizeof(reply)); 857 if (error != 0) 858 return error; 859 860 return arc_fw_parse_status_code(sc, &reply[0]); 861 } 862 863 static int 864 arc_bio_alarm_state(struct arc_softc *sc, struct bioc_alarm *ba) 865 { 866 struct arc_fw_sysinfo *sysinfo; 867 uint8_t request; 868 int error = 0; 869 870 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP); 871 872 request = ARC_FW_SYSINFO; 873 error = arc_msgbuf(sc, &request, sizeof(request), 874 sysinfo, sizeof(struct arc_fw_sysinfo)); 875 876 if (error != 0) 877 goto out; 878 879 ba->ba_status = sysinfo->alarm; 880 881 out: 882 kmem_free(sysinfo, sizeof(*sysinfo)); 883 return error; 884 } 885 886 static int 887 arc_bio_volops(struct arc_softc *sc, struct bioc_volops *bc) 888 { 889 /* to create a raid set */ 890 struct req_craidset { 891 uint8_t cmdcode; 892 uint32_t devmask; 893 uint8_t raidset_name[16]; 894 } __packed; 895 896 /* to create a volume set */ 897 struct req_cvolset { 898 uint8_t cmdcode; 899 uint8_t raidset; 900 uint8_t volset_name[16]; 901 uint64_t capacity; 902 uint8_t raidlevel; 903 uint8_t stripe; 904 uint8_t scsi_chan; 905 uint8_t scsi_target; 906 uint8_t scsi_lun; 907 uint8_t tagqueue; 908 uint8_t cache; 909 uint8_t speed; 910 uint8_t quick_init; 911 } __packed; 912 913 struct scsibus_softc *scsibus_sc = NULL; 914 struct req_craidset req_craidset; 915 struct req_cvolset req_cvolset; 916 uint8_t request[2]; 917 uint8_t reply[1]; 918 int error = 0; 919 920 switch (bc->bc_opcode) { 921 case BIOC_VCREATE_VOLUME: 922 { 923 /* 924 * Zero out the structs so that we use some defaults 925 * in raid and volume sets. 926 */ 927 memset(&req_craidset, 0, sizeof(req_craidset)); 928 memset(&req_cvolset, 0, sizeof(req_cvolset)); 929 930 /* 931 * Firstly we have to create the raid set and 932 * use the default name for all them. 933 */ 934 req_craidset.cmdcode = ARC_FW_CREATE_RAIDSET; 935 req_craidset.devmask = bc->bc_devmask; 936 error = arc_msgbuf(sc, &req_craidset, sizeof(req_craidset), 937 reply, sizeof(reply)); 938 if (error != 0) 939 return error; 940 941 error = arc_fw_parse_status_code(sc, &reply[0]); 942 if (error) { 943 printf("%s: create raidset%d failed\n", 944 device_xname(sc->sc_dev), bc->bc_volid); 945 return error; 946 } 947 948 /* 949 * At this point the raid set was created, so it's 950 * time to create the volume set. 951 */ 952 req_cvolset.cmdcode = ARC_FW_CREATE_VOLUME; 953 req_cvolset.raidset = bc->bc_volid; 954 req_cvolset.capacity = bc->bc_size * ARC_BLOCKSIZE; 955 956 /* 957 * Set the RAID level. 958 */ 959 switch (bc->bc_level) { 960 case 0: 961 case 1: 962 req_cvolset.raidlevel = bc->bc_level; 963 break; 964 case BIOC_SVOL_RAID10: 965 req_cvolset.raidlevel = 1; 966 break; 967 case 3: 968 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_3; 969 break; 970 case 5: 971 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_5; 972 break; 973 case 6: 974 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_6; 975 break; 976 default: 977 return EOPNOTSUPP; 978 } 979 980 /* 981 * Set the stripe size. 982 */ 983 switch (bc->bc_stripe) { 984 case 4: 985 req_cvolset.stripe = 0; 986 break; 987 case 8: 988 req_cvolset.stripe = 1; 989 break; 990 case 16: 991 req_cvolset.stripe = 2; 992 break; 993 case 32: 994 req_cvolset.stripe = 3; 995 break; 996 case 64: 997 req_cvolset.stripe = 4; 998 break; 999 case 128: 1000 req_cvolset.stripe = 5; 1001 break; 1002 default: 1003 req_cvolset.stripe = 4; /* by default 64K */ 1004 break; 1005 } 1006 1007 req_cvolset.scsi_chan = bc->bc_channel; 1008 req_cvolset.scsi_target = bc->bc_target; 1009 req_cvolset.scsi_lun = bc->bc_lun; 1010 req_cvolset.tagqueue = 1; /* always enabled */ 1011 req_cvolset.cache = 1; /* always enabled */ 1012 req_cvolset.speed = 4; /* always max speed */ 1013 1014 /* RAID 1 and 1+0 levels need foreground initialization */ 1015 if (bc->bc_level == 1 || bc->bc_level == BIOC_SVOL_RAID10) 1016 req_cvolset.quick_init = 1; /* foreground init */ 1017 1018 error = arc_msgbuf(sc, &req_cvolset, sizeof(req_cvolset), 1019 reply, sizeof(reply)); 1020 if (error != 0) 1021 return error; 1022 1023 error = arc_fw_parse_status_code(sc, &reply[0]); 1024 if (error) { 1025 printf("%s: create volumeset%d failed\n", 1026 device_xname(sc->sc_dev), bc->bc_volid); 1027 return error; 1028 } 1029 1030 /* 1031 * If we are creating a RAID 1 or RAID 1+0 volume, 1032 * the volume will be created immediately but it won't 1033 * be available until the initialization is done... so 1034 * don't bother attaching the sd(4) device. 1035 */ 1036 if (bc->bc_level == 1 || bc->bc_level == BIOC_SVOL_RAID10) 1037 break; 1038 1039 /* 1040 * Do a rescan on the bus to attach the device associated 1041 * with the new volume. 1042 */ 1043 scsibus_sc = device_private(sc->sc_scsibus_dv); 1044 (void)scsi_probe_bus(scsibus_sc, bc->bc_target, bc->bc_lun); 1045 1046 break; 1047 } 1048 case BIOC_VREMOVE_VOLUME: 1049 { 1050 /* 1051 * Remove the volume set specified in bc_volid. 1052 */ 1053 request[0] = ARC_FW_DELETE_VOLUME; 1054 request[1] = bc->bc_volid; 1055 error = arc_msgbuf(sc, request, sizeof(request), 1056 reply, sizeof(reply)); 1057 if (error != 0) 1058 return error; 1059 1060 error = arc_fw_parse_status_code(sc, &reply[0]); 1061 if (error) { 1062 printf("%s: delete volumeset%d failed\n", 1063 device_xname(sc->sc_dev), bc->bc_volid); 1064 return error; 1065 } 1066 1067 /* 1068 * Detach the sd(4) device associated with the volume, 1069 * but if there's an error don't make it a priority. 1070 */ 1071 error = scsipi_target_detach(&sc->sc_chan, bc->bc_target, 1072 bc->bc_lun, 0); 1073 if (error) 1074 printf("%s: couldn't detach sd device for volume %d " 1075 "at %u:%u.%u (error=%d)\n", 1076 device_xname(sc->sc_dev), bc->bc_volid, 1077 bc->bc_channel, bc->bc_target, bc->bc_lun, error); 1078 1079 /* 1080 * and remove the raid set specified in bc_volid, 1081 * we only care about volumes. 1082 */ 1083 request[0] = ARC_FW_DELETE_RAIDSET; 1084 request[1] = bc->bc_volid; 1085 error = arc_msgbuf(sc, request, sizeof(request), 1086 reply, sizeof(reply)); 1087 if (error != 0) 1088 return error; 1089 1090 error = arc_fw_parse_status_code(sc, &reply[0]); 1091 if (error) { 1092 printf("%s: delete raidset%d failed\n", 1093 device_xname(sc->sc_dev), bc->bc_volid); 1094 return error; 1095 } 1096 1097 break; 1098 } 1099 default: 1100 return EOPNOTSUPP; 1101 } 1102 1103 return error; 1104 } 1105 1106 static int 1107 arc_bio_setstate(struct arc_softc *sc, struct bioc_setstate *bs) 1108 { 1109 /* for a hotspare disk */ 1110 struct request_hs { 1111 uint8_t cmdcode; 1112 uint32_t devmask; 1113 } __packed; 1114 1115 /* for a pass-through disk */ 1116 struct request_pt { 1117 uint8_t cmdcode; 1118 uint8_t devid; 1119 uint8_t scsi_chan; 1120 uint8_t scsi_id; 1121 uint8_t scsi_lun; 1122 uint8_t tagged_queue; 1123 uint8_t cache_mode; 1124 uint8_t max_speed; 1125 } __packed; 1126 1127 struct scsibus_softc *scsibus_sc = NULL; 1128 struct request_hs req_hs; /* to add/remove hotspare */ 1129 struct request_pt req_pt; /* to add a pass-through */ 1130 uint8_t req_gen[2]; 1131 uint8_t reply[1]; 1132 int error = 0; 1133 1134 switch (bs->bs_status) { 1135 case BIOC_SSHOTSPARE: 1136 { 1137 req_hs.cmdcode = ARC_FW_CREATE_HOTSPARE; 1138 req_hs.devmask = (1 << bs->bs_target); 1139 goto hotspare; 1140 } 1141 case BIOC_SSDELHOTSPARE: 1142 { 1143 req_hs.cmdcode = ARC_FW_DELETE_HOTSPARE; 1144 req_hs.devmask = (1 << bs->bs_target); 1145 goto hotspare; 1146 } 1147 case BIOC_SSPASSTHRU: 1148 { 1149 req_pt.cmdcode = ARC_FW_CREATE_PASSTHRU; 1150 req_pt.devid = bs->bs_other_id; /* this wants device# */ 1151 req_pt.scsi_chan = bs->bs_channel; 1152 req_pt.scsi_id = bs->bs_target; 1153 req_pt.scsi_lun = bs->bs_lun; 1154 req_pt.tagged_queue = 1; /* always enabled */ 1155 req_pt.cache_mode = 1; /* always enabled */ 1156 req_pt.max_speed = 4; /* always max speed */ 1157 1158 error = arc_msgbuf(sc, &req_pt, sizeof(req_pt), 1159 reply, sizeof(reply)); 1160 if (error != 0) 1161 return error; 1162 1163 /* 1164 * Do a rescan on the bus to attach the new device 1165 * associated with the pass-through disk. 1166 */ 1167 scsibus_sc = device_private(sc->sc_scsibus_dv); 1168 (void)scsi_probe_bus(scsibus_sc, bs->bs_target, bs->bs_lun); 1169 1170 goto out; 1171 } 1172 case BIOC_SSDELPASSTHRU: 1173 { 1174 req_gen[0] = ARC_FW_DELETE_PASSTHRU; 1175 req_gen[1] = bs->bs_target; 1176 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen), 1177 reply, sizeof(reply)); 1178 if (error != 0) 1179 return error; 1180 1181 /* 1182 * Detach the sd device associated with this pass-through disk. 1183 */ 1184 error = scsipi_target_detach(&sc->sc_chan, bs->bs_target, 1185 bs->bs_lun, 0); 1186 if (error) 1187 printf("%s: couldn't detach sd device for the " 1188 "pass-through disk at %u:%u.%u (error=%d)\n", 1189 device_xname(sc->sc_dev), 1190 bs->bs_channel, bs->bs_target, bs->bs_lun, error); 1191 1192 goto out; 1193 } 1194 case BIOC_SSCHECKSTART_VOL: 1195 { 1196 req_gen[0] = ARC_FW_START_CHECKVOL; 1197 req_gen[1] = bs->bs_volid; 1198 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen), 1199 reply, sizeof(reply)); 1200 if (error != 0) 1201 return error; 1202 1203 goto out; 1204 } 1205 case BIOC_SSCHECKSTOP_VOL: 1206 { 1207 uint8_t req = ARC_FW_STOP_CHECKVOL; 1208 error = arc_msgbuf(sc, &req, 1, reply, sizeof(reply)); 1209 if (error != 0) 1210 return error; 1211 1212 goto out; 1213 } 1214 default: 1215 return EOPNOTSUPP; 1216 } 1217 1218 hotspare: 1219 error = arc_msgbuf(sc, &req_hs, sizeof(req_hs), 1220 reply, sizeof(reply)); 1221 if (error != 0) 1222 return error; 1223 1224 out: 1225 return arc_fw_parse_status_code(sc, &reply[0]); 1226 } 1227 1228 static int 1229 arc_bio_inq(struct arc_softc *sc, struct bioc_inq *bi) 1230 { 1231 uint8_t request[2]; 1232 struct arc_fw_sysinfo *sysinfo = NULL; 1233 struct arc_fw_raidinfo *raidinfo; 1234 int nvols = 0, i; 1235 int error = 0; 1236 1237 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP); 1238 1239 if (!sc->sc_maxraidset || !sc->sc_maxvolset || !sc->sc_cchans) { 1240 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP); 1241 1242 request[0] = ARC_FW_SYSINFO; 1243 error = arc_msgbuf(sc, request, 1, sysinfo, 1244 sizeof(struct arc_fw_sysinfo)); 1245 if (error != 0) 1246 goto out; 1247 1248 sc->sc_maxraidset = sysinfo->max_raid_set; 1249 sc->sc_maxvolset = sysinfo->max_volume_set; 1250 sc->sc_cchans = sysinfo->ide_channels; 1251 } 1252 1253 request[0] = ARC_FW_RAIDINFO; 1254 for (i = 0; i < sc->sc_maxraidset; i++) { 1255 request[1] = i; 1256 error = arc_msgbuf(sc, request, sizeof(request), raidinfo, 1257 sizeof(struct arc_fw_raidinfo)); 1258 if (error != 0) 1259 goto out; 1260 1261 nvols += raidinfo->volumes; 1262 } 1263 1264 strlcpy(bi->bi_dev, device_xname(sc->sc_dev), sizeof(bi->bi_dev)); 1265 bi->bi_novol = nvols; 1266 bi->bi_nodisk = sc->sc_cchans; 1267 1268 out: 1269 if (sysinfo) 1270 kmem_free(sysinfo, sizeof(*sysinfo)); 1271 kmem_free(raidinfo, sizeof(*raidinfo)); 1272 return error; 1273 } 1274 1275 static int 1276 arc_bio_getvol(struct arc_softc *sc, int vol, struct arc_fw_volinfo *volinfo) 1277 { 1278 uint8_t request[2]; 1279 int error = 0; 1280 int nvols = 0, i; 1281 1282 request[0] = ARC_FW_VOLINFO; 1283 for (i = 0; i < sc->sc_maxvolset; i++) { 1284 request[1] = i; 1285 error = arc_msgbuf(sc, request, sizeof(request), volinfo, 1286 sizeof(struct arc_fw_volinfo)); 1287 if (error != 0) 1288 goto out; 1289 1290 if (volinfo->capacity == 0 && volinfo->capacity2 == 0) 1291 continue; 1292 1293 if (nvols == vol) 1294 break; 1295 1296 nvols++; 1297 } 1298 1299 if (nvols != vol || 1300 (volinfo->capacity == 0 && volinfo->capacity2 == 0)) { 1301 error = ENODEV; 1302 goto out; 1303 } 1304 1305 out: 1306 return error; 1307 } 1308 1309 static int 1310 arc_bio_vol(struct arc_softc *sc, struct bioc_vol *bv) 1311 { 1312 struct arc_fw_volinfo *volinfo; 1313 uint64_t blocks; 1314 uint32_t status; 1315 int error = 0; 1316 1317 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP); 1318 1319 error = arc_bio_getvol(sc, bv->bv_volid, volinfo); 1320 if (error != 0) 1321 goto out; 1322 1323 bv->bv_percent = -1; 1324 bv->bv_seconds = 0; 1325 1326 status = htole32(volinfo->volume_status); 1327 if (status == 0x0) { 1328 if (htole32(volinfo->fail_mask) == 0x0) 1329 bv->bv_status = BIOC_SVONLINE; 1330 else 1331 bv->bv_status = BIOC_SVDEGRADED; 1332 } else if (status & ARC_FW_VOL_STATUS_NEED_REGEN) { 1333 bv->bv_status = BIOC_SVDEGRADED; 1334 } else if (status & ARC_FW_VOL_STATUS_FAILED) { 1335 bv->bv_status = BIOC_SVOFFLINE; 1336 } else if (status & ARC_FW_VOL_STATUS_INITTING) { 1337 bv->bv_status = BIOC_SVBUILDING; 1338 bv->bv_percent = htole32(volinfo->progress); 1339 } else if (status & ARC_FW_VOL_STATUS_REBUILDING) { 1340 bv->bv_status = BIOC_SVREBUILD; 1341 bv->bv_percent = htole32(volinfo->progress); 1342 } else if (status & ARC_FW_VOL_STATUS_MIGRATING) { 1343 bv->bv_status = BIOC_SVMIGRATING; 1344 bv->bv_percent = htole32(volinfo->progress); 1345 } else if (status & ARC_FW_VOL_STATUS_CHECKING) { 1346 bv->bv_status = BIOC_SVCHECKING; 1347 bv->bv_percent = htole32(volinfo->progress); 1348 } else if (status & ARC_FW_VOL_STATUS_NEED_INIT) { 1349 bv->bv_status = BIOC_SVOFFLINE; 1350 } else { 1351 printf("%s: volume %d status 0x%x\n", 1352 device_xname(sc->sc_dev), bv->bv_volid, status); 1353 } 1354 1355 blocks = (uint64_t)htole32(volinfo->capacity2) << 32; 1356 blocks += (uint64_t)htole32(volinfo->capacity); 1357 bv->bv_size = blocks * ARC_BLOCKSIZE; /* XXX */ 1358 1359 switch (volinfo->raid_level) { 1360 case ARC_FW_VOL_RAIDLEVEL_0: 1361 bv->bv_level = 0; 1362 break; 1363 case ARC_FW_VOL_RAIDLEVEL_1: 1364 if (volinfo->member_disks > 2) 1365 bv->bv_level = BIOC_SVOL_RAID10; 1366 else 1367 bv->bv_level = 1; 1368 break; 1369 case ARC_FW_VOL_RAIDLEVEL_3: 1370 bv->bv_level = 3; 1371 break; 1372 case ARC_FW_VOL_RAIDLEVEL_5: 1373 bv->bv_level = 5; 1374 break; 1375 case ARC_FW_VOL_RAIDLEVEL_6: 1376 bv->bv_level = 6; 1377 break; 1378 case ARC_FW_VOL_RAIDLEVEL_PASSTHRU: 1379 bv->bv_level = BIOC_SVOL_PASSTHRU; 1380 break; 1381 default: 1382 bv->bv_level = -1; 1383 break; 1384 } 1385 1386 bv->bv_nodisk = volinfo->member_disks; 1387 bv->bv_stripe_size = volinfo->stripe_size / 2; 1388 snprintf(bv->bv_dev, sizeof(bv->bv_dev), "sd%d", bv->bv_volid); 1389 strnvisx(bv->bv_vendor, sizeof(bv->bv_vendor), volinfo->set_name, 1390 sizeof(volinfo->set_name), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 1391 1392 out: 1393 kmem_free(volinfo, sizeof(*volinfo)); 1394 return error; 1395 } 1396 1397 static int 1398 arc_bio_disk_novol(struct arc_softc *sc, struct bioc_disk *bd) 1399 { 1400 struct arc_fw_diskinfo *diskinfo; 1401 uint8_t request[2]; 1402 int error = 0; 1403 1404 diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP); 1405 1406 if (bd->bd_diskid >= sc->sc_cchans) { 1407 error = ENODEV; 1408 goto out; 1409 } 1410 1411 request[0] = ARC_FW_DISKINFO; 1412 request[1] = bd->bd_diskid; 1413 error = arc_msgbuf(sc, request, sizeof(request), 1414 diskinfo, sizeof(struct arc_fw_diskinfo)); 1415 if (error != 0) 1416 goto out; 1417 1418 /* skip disks with no capacity */ 1419 if (htole32(diskinfo->capacity) == 0 && 1420 htole32(diskinfo->capacity2) == 0) 1421 goto out; 1422 1423 bd->bd_disknovol = true; 1424 arc_bio_disk_filldata(sc, bd, diskinfo, bd->bd_diskid); 1425 1426 out: 1427 kmem_free(diskinfo, sizeof(*diskinfo)); 1428 return error; 1429 } 1430 1431 static void 1432 arc_bio_disk_filldata(struct arc_softc *sc, struct bioc_disk *bd, 1433 struct arc_fw_diskinfo *diskinfo, int diskid) 1434 { 1435 uint64_t blocks; 1436 char model[81]; 1437 char serial[41]; 1438 char rev[17]; 1439 1440 /* Ignore bit zero for now, we don't know what it means */ 1441 diskinfo->device_state &= ~0x1; 1442 1443 switch (diskinfo->device_state) { 1444 case ARC_FW_DISK_FAILED: 1445 bd->bd_status = BIOC_SDFAILED; 1446 break; 1447 case ARC_FW_DISK_PASSTHRU: 1448 bd->bd_status = BIOC_SDPASSTHRU; 1449 break; 1450 case ARC_FW_DISK_NORMAL: 1451 bd->bd_status = BIOC_SDONLINE; 1452 break; 1453 case ARC_FW_DISK_HOTSPARE: 1454 bd->bd_status = BIOC_SDHOTSPARE; 1455 break; 1456 case ARC_FW_DISK_UNUSED: 1457 bd->bd_status = BIOC_SDUNUSED; 1458 break; 1459 case 0: 1460 /* disk has been disconnected */ 1461 bd->bd_status = BIOC_SDOFFLINE; 1462 bd->bd_channel = 1; 1463 bd->bd_target = 0; 1464 bd->bd_lun = 0; 1465 strlcpy(bd->bd_vendor, "disk missing", sizeof(bd->bd_vendor)); 1466 break; 1467 default: 1468 printf("%s: unknown disk device_state: 0x%x\n", __func__, 1469 diskinfo->device_state); 1470 bd->bd_status = BIOC_SDINVALID; 1471 return; 1472 } 1473 1474 blocks = (uint64_t)htole32(diskinfo->capacity2) << 32; 1475 blocks += (uint64_t)htole32(diskinfo->capacity); 1476 bd->bd_size = blocks * ARC_BLOCKSIZE; /* XXX */ 1477 1478 strnvisx(model, sizeof(model), diskinfo->model, 1479 sizeof(diskinfo->model), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 1480 strnvisx(serial, sizeof(serial), diskinfo->serial, 1481 sizeof(diskinfo->serial), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 1482 strnvisx(rev, sizeof(rev), diskinfo->firmware_rev, 1483 sizeof(diskinfo->firmware_rev), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 1484 1485 snprintf(bd->bd_vendor, sizeof(bd->bd_vendor), "%s %s", model, rev); 1486 strlcpy(bd->bd_serial, serial, sizeof(bd->bd_serial)); 1487 1488 #if 0 1489 bd->bd_channel = diskinfo->scsi_attr.channel; 1490 bd->bd_target = diskinfo->scsi_attr.target; 1491 bd->bd_lun = diskinfo->scsi_attr.lun; 1492 #endif 1493 1494 /* 1495 * the firwmare doesnt seem to fill scsi_attr in, so fake it with 1496 * the diskid. 1497 */ 1498 bd->bd_channel = 0; 1499 bd->bd_target = diskid; 1500 bd->bd_lun = 0; 1501 } 1502 1503 static int 1504 arc_bio_disk_volume(struct arc_softc *sc, struct bioc_disk *bd) 1505 { 1506 struct arc_fw_raidinfo *raidinfo; 1507 struct arc_fw_volinfo *volinfo; 1508 struct arc_fw_diskinfo *diskinfo; 1509 uint8_t request[2]; 1510 int error = 0; 1511 1512 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP); 1513 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP); 1514 diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP); 1515 1516 error = arc_bio_getvol(sc, bd->bd_volid, volinfo); 1517 if (error != 0) 1518 goto out; 1519 1520 request[0] = ARC_FW_RAIDINFO; 1521 request[1] = volinfo->raid_set_number; 1522 1523 error = arc_msgbuf(sc, request, sizeof(request), raidinfo, 1524 sizeof(struct arc_fw_raidinfo)); 1525 if (error != 0) 1526 goto out; 1527 1528 if (bd->bd_diskid >= sc->sc_cchans || 1529 bd->bd_diskid >= raidinfo->member_devices) { 1530 error = ENODEV; 1531 goto out; 1532 } 1533 1534 if (raidinfo->device_array[bd->bd_diskid] == 0xff) { 1535 /* 1536 * The disk has been disconnected, mark it offline 1537 * and put it on another bus. 1538 */ 1539 bd->bd_channel = 1; 1540 bd->bd_target = 0; 1541 bd->bd_lun = 0; 1542 bd->bd_status = BIOC_SDOFFLINE; 1543 strlcpy(bd->bd_vendor, "disk missing", sizeof(bd->bd_vendor)); 1544 goto out; 1545 } 1546 1547 request[0] = ARC_FW_DISKINFO; 1548 request[1] = raidinfo->device_array[bd->bd_diskid]; 1549 error = arc_msgbuf(sc, request, sizeof(request), diskinfo, 1550 sizeof(struct arc_fw_diskinfo)); 1551 if (error != 0) 1552 goto out; 1553 1554 /* now fill our bio disk with data from the firmware */ 1555 arc_bio_disk_filldata(sc, bd, diskinfo, 1556 raidinfo->device_array[bd->bd_diskid]); 1557 1558 out: 1559 kmem_free(raidinfo, sizeof(*raidinfo)); 1560 kmem_free(volinfo, sizeof(*volinfo)); 1561 kmem_free(diskinfo, sizeof(*diskinfo)); 1562 return error; 1563 } 1564 1565 static uint8_t 1566 arc_msg_cksum(void *cmd, uint16_t len) 1567 { 1568 uint8_t *buf = cmd; 1569 uint8_t cksum; 1570 int i; 1571 1572 cksum = (uint8_t)(len >> 8) + (uint8_t)len; 1573 for (i = 0; i < len; i++) 1574 cksum += buf[i]; 1575 1576 return cksum; 1577 } 1578 1579 1580 static int 1581 arc_msgbuf(struct arc_softc *sc, void *wptr, size_t wbuflen, void *rptr, 1582 size_t rbuflen) 1583 { 1584 uint8_t rwbuf[ARC_REG_IOC_RWBUF_MAXLEN]; 1585 uint8_t *wbuf, *rbuf; 1586 int wlen, wdone = 0, rlen, rdone = 0; 1587 struct arc_fw_bufhdr *bufhdr; 1588 uint32_t reg, rwlen; 1589 int error = 0; 1590 #ifdef ARC_DEBUG 1591 int i; 1592 #endif 1593 1594 wbuf = rbuf = NULL; 1595 1596 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wbuflen: %d rbuflen: %d\n", 1597 device_xname(sc->sc_dev), wbuflen, rbuflen); 1598 1599 wlen = sizeof(struct arc_fw_bufhdr) + wbuflen + 1; /* 1 for cksum */ 1600 wbuf = kmem_alloc(wlen, KM_SLEEP); 1601 1602 rlen = sizeof(struct arc_fw_bufhdr) + rbuflen + 1; /* 1 for cksum */ 1603 rbuf = kmem_alloc(rlen, KM_SLEEP); 1604 1605 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wlen: %d rlen: %d\n", 1606 device_xname(sc->sc_dev), wlen, rlen); 1607 1608 bufhdr = (struct arc_fw_bufhdr *)wbuf; 1609 bufhdr->hdr = arc_fw_hdr; 1610 bufhdr->len = htole16(wbuflen); 1611 memcpy(wbuf + sizeof(struct arc_fw_bufhdr), wptr, wbuflen); 1612 wbuf[wlen - 1] = arc_msg_cksum(wptr, wbuflen); 1613 1614 arc_lock(sc); 1615 if (arc_read(sc, ARC_REG_OUTB_DOORBELL) != 0) { 1616 error = EBUSY; 1617 goto out; 1618 } 1619 1620 reg = ARC_REG_OUTB_DOORBELL_READ_OK; 1621 1622 do { 1623 if ((reg & ARC_REG_OUTB_DOORBELL_READ_OK) && wdone < wlen) { 1624 memset(rwbuf, 0, sizeof(rwbuf)); 1625 rwlen = (wlen - wdone) % sizeof(rwbuf); 1626 memcpy(rwbuf, &wbuf[wdone], rwlen); 1627 1628 #ifdef ARC_DEBUG 1629 if (arcdebug & ARC_D_DB) { 1630 printf("%s: write %d:", 1631 device_xname(sc->sc_dev), rwlen); 1632 for (i = 0; i < rwlen; i++) 1633 printf(" 0x%02x", rwbuf[i]); 1634 printf("\n"); 1635 } 1636 #endif 1637 1638 /* copy the chunk to the hw */ 1639 arc_write(sc, ARC_REG_IOC_WBUF_LEN, rwlen); 1640 arc_write_region(sc, ARC_REG_IOC_WBUF, rwbuf, 1641 sizeof(rwbuf)); 1642 1643 /* say we have a buffer for the hw */ 1644 arc_write(sc, ARC_REG_INB_DOORBELL, 1645 ARC_REG_INB_DOORBELL_WRITE_OK); 1646 1647 wdone += rwlen; 1648 } 1649 1650 while ((reg = arc_read(sc, ARC_REG_OUTB_DOORBELL)) == 0) 1651 arc_wait(sc); 1652 1653 arc_write(sc, ARC_REG_OUTB_DOORBELL, reg); 1654 1655 DNPRINTF(ARC_D_DB, "%s: reg: 0x%08x\n", 1656 device_xname(sc->sc_dev), reg); 1657 1658 if ((reg & ARC_REG_OUTB_DOORBELL_WRITE_OK) && rdone < rlen) { 1659 rwlen = arc_read(sc, ARC_REG_IOC_RBUF_LEN); 1660 if (rwlen > sizeof(rwbuf)) { 1661 DNPRINTF(ARC_D_DB, "%s: rwlen too big\n", 1662 device_xname(sc->sc_dev)); 1663 error = EIO; 1664 goto out; 1665 } 1666 1667 arc_read_region(sc, ARC_REG_IOC_RBUF, rwbuf, 1668 sizeof(rwbuf)); 1669 1670 arc_write(sc, ARC_REG_INB_DOORBELL, 1671 ARC_REG_INB_DOORBELL_READ_OK); 1672 1673 #ifdef ARC_DEBUG 1674 printf("%s: len: %d+%d=%d/%d\n", 1675 device_xname(sc->sc_dev), 1676 rwlen, rdone, rwlen + rdone, rlen); 1677 if (arcdebug & ARC_D_DB) { 1678 printf("%s: read:", 1679 device_xname(sc->sc_dev)); 1680 for (i = 0; i < rwlen; i++) 1681 printf(" 0x%02x", rwbuf[i]); 1682 printf("\n"); 1683 } 1684 #endif 1685 1686 if ((rdone + rwlen) > rlen) { 1687 DNPRINTF(ARC_D_DB, "%s: rwbuf too big\n", 1688 device_xname(sc->sc_dev)); 1689 error = EIO; 1690 goto out; 1691 } 1692 1693 memcpy(&rbuf[rdone], rwbuf, rwlen); 1694 rdone += rwlen; 1695 } 1696 } while (rdone != rlen); 1697 1698 bufhdr = (struct arc_fw_bufhdr *)rbuf; 1699 if (memcmp(&bufhdr->hdr, &arc_fw_hdr, sizeof(bufhdr->hdr)) != 0 || 1700 bufhdr->len != htole16(rbuflen)) { 1701 DNPRINTF(ARC_D_DB, "%s: rbuf hdr is wrong\n", 1702 device_xname(sc->sc_dev)); 1703 error = EIO; 1704 goto out; 1705 } 1706 1707 memcpy(rptr, rbuf + sizeof(struct arc_fw_bufhdr), rbuflen); 1708 1709 if (rbuf[rlen - 1] != arc_msg_cksum(rptr, rbuflen)) { 1710 DNPRINTF(ARC_D_DB, "%s: invalid cksum\n", 1711 device_xname(sc->sc_dev)); 1712 error = EIO; 1713 goto out; 1714 } 1715 1716 out: 1717 arc_unlock(sc); 1718 kmem_free(wbuf, wlen); 1719 kmem_free(rbuf, rlen); 1720 1721 return error; 1722 } 1723 1724 static void 1725 arc_lock(struct arc_softc *sc) 1726 { 1727 rw_enter(&sc->sc_rwlock, RW_WRITER); 1728 mutex_spin_enter(&sc->sc_mutex); 1729 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE); 1730 sc->sc_talking = 1; 1731 } 1732 1733 static void 1734 arc_unlock(struct arc_softc *sc) 1735 { 1736 KASSERT(mutex_owned(&sc->sc_mutex)); 1737 1738 arc_write(sc, ARC_REG_INTRMASK, 1739 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL)); 1740 sc->sc_talking = 0; 1741 mutex_spin_exit(&sc->sc_mutex); 1742 rw_exit(&sc->sc_rwlock); 1743 } 1744 1745 static void 1746 arc_wait(struct arc_softc *sc) 1747 { 1748 KASSERT(mutex_owned(&sc->sc_mutex)); 1749 1750 arc_write(sc, ARC_REG_INTRMASK, 1751 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL)); 1752 if (cv_timedwait(&sc->sc_condvar, &sc->sc_mutex, hz) == EWOULDBLOCK) 1753 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE); 1754 } 1755 1756 1757 static void 1758 arc_create_sensors(void *arg) 1759 { 1760 struct arc_softc *sc = arg; 1761 struct bioc_inq bi; 1762 struct bioc_vol bv; 1763 int i, j; 1764 size_t slen, count = 0; 1765 1766 memset(&bi, 0, sizeof(bi)); 1767 if (arc_bio_inq(sc, &bi) != 0) { 1768 aprint_error("%s: unable to query firmware for sensor info\n", 1769 device_xname(sc->sc_dev)); 1770 kthread_exit(0); 1771 } 1772 1773 /* There's no point to continue if there are no volumes */ 1774 if (!bi.bi_novol) 1775 kthread_exit(0); 1776 1777 for (i = 0; i < bi.bi_novol; i++) { 1778 memset(&bv, 0, sizeof(bv)); 1779 bv.bv_volid = i; 1780 if (arc_bio_vol(sc, &bv) != 0) 1781 kthread_exit(0); 1782 1783 /* Skip passthrough volumes */ 1784 if (bv.bv_level == BIOC_SVOL_PASSTHRU) 1785 continue; 1786 1787 /* new volume found */ 1788 sc->sc_nsensors++; 1789 /* new disk in a volume found */ 1790 sc->sc_nsensors+= bv.bv_nodisk; 1791 } 1792 1793 /* No valid volumes */ 1794 if (!sc->sc_nsensors) 1795 kthread_exit(0); 1796 1797 sc->sc_sme = sysmon_envsys_create(); 1798 slen = sizeof(arc_edata_t) * sc->sc_nsensors; 1799 sc->sc_arc_sensors = kmem_zalloc(slen, KM_SLEEP); 1800 1801 /* Attach sensors for volumes and disks */ 1802 for (i = 0; i < bi.bi_novol; i++) { 1803 memset(&bv, 0, sizeof(bv)); 1804 bv.bv_volid = i; 1805 if (arc_bio_vol(sc, &bv) != 0) 1806 goto bad; 1807 1808 sc->sc_arc_sensors[count].arc_sensor.units = ENVSYS_DRIVE; 1809 sc->sc_arc_sensors[count].arc_sensor.state = ENVSYS_SINVALID; 1810 sc->sc_arc_sensors[count].arc_sensor.value_cur = 1811 ENVSYS_DRIVE_EMPTY; 1812 sc->sc_arc_sensors[count].arc_sensor.flags = 1813 ENVSYS_FMONSTCHANGED; 1814 1815 /* Skip passthrough volumes */ 1816 if (bv.bv_level == BIOC_SVOL_PASSTHRU) 1817 continue; 1818 1819 if (bv.bv_level == BIOC_SVOL_RAID10) 1820 snprintf(sc->sc_arc_sensors[count].arc_sensor.desc, 1821 sizeof(sc->sc_arc_sensors[count].arc_sensor.desc), 1822 "RAID 1+0 volume%d (%s)", i, bv.bv_dev); 1823 else 1824 snprintf(sc->sc_arc_sensors[count].arc_sensor.desc, 1825 sizeof(sc->sc_arc_sensors[count].arc_sensor.desc), 1826 "RAID %d volume%d (%s)", bv.bv_level, i, 1827 bv.bv_dev); 1828 1829 sc->sc_arc_sensors[count].arc_volid = i; 1830 1831 if (sysmon_envsys_sensor_attach(sc->sc_sme, 1832 &sc->sc_arc_sensors[count].arc_sensor)) 1833 goto bad; 1834 1835 count++; 1836 1837 /* Attach disk sensors for this volume */ 1838 for (j = 0; j < bv.bv_nodisk; j++) { 1839 sc->sc_arc_sensors[count].arc_sensor.state = 1840 ENVSYS_SINVALID; 1841 sc->sc_arc_sensors[count].arc_sensor.units = 1842 ENVSYS_DRIVE; 1843 sc->sc_arc_sensors[count].arc_sensor.value_cur = 1844 ENVSYS_DRIVE_EMPTY; 1845 sc->sc_arc_sensors[count].arc_sensor.flags = 1846 ENVSYS_FMONSTCHANGED; 1847 1848 snprintf(sc->sc_arc_sensors[count].arc_sensor.desc, 1849 sizeof(sc->sc_arc_sensors[count].arc_sensor.desc), 1850 "disk%d volume%d (%s)", j, i, bv.bv_dev); 1851 sc->sc_arc_sensors[count].arc_volid = i; 1852 sc->sc_arc_sensors[count].arc_diskid = j + 10; 1853 1854 if (sysmon_envsys_sensor_attach(sc->sc_sme, 1855 &sc->sc_arc_sensors[count].arc_sensor)) 1856 goto bad; 1857 1858 count++; 1859 } 1860 } 1861 1862 /* 1863 * Register our envsys driver with the framework now that the 1864 * sensors were all attached. 1865 */ 1866 sc->sc_sme->sme_name = device_xname(sc->sc_dev); 1867 sc->sc_sme->sme_cookie = sc; 1868 sc->sc_sme->sme_refresh = arc_refresh_sensors; 1869 1870 if (sysmon_envsys_register(sc->sc_sme)) { 1871 aprint_debug("%s: unable to register with sysmon\n", 1872 device_xname(sc->sc_dev)); 1873 goto bad; 1874 } 1875 kthread_exit(0); 1876 1877 bad: 1878 sysmon_envsys_destroy(sc->sc_sme); 1879 kmem_free(sc->sc_arc_sensors, slen); 1880 1881 sc->sc_sme = NULL; 1882 sc->sc_arc_sensors = NULL; 1883 1884 kthread_exit(0); 1885 } 1886 1887 static void 1888 arc_refresh_sensors(struct sysmon_envsys *sme, envsys_data_t *edata) 1889 { 1890 struct arc_softc *sc = sme->sme_cookie; 1891 struct bioc_vol bv; 1892 struct bioc_disk bd; 1893 arc_edata_t *arcdata = (arc_edata_t *)edata; 1894 1895 /* sanity check */ 1896 if (edata->units != ENVSYS_DRIVE) 1897 return; 1898 1899 memset(&bv, 0, sizeof(bv)); 1900 bv.bv_volid = arcdata->arc_volid; 1901 1902 if (arc_bio_vol(sc, &bv)) { 1903 bv.bv_status = BIOC_SVINVALID; 1904 bio_vol_to_envsys(edata, &bv); 1905 return; 1906 } 1907 1908 if (arcdata->arc_diskid) { 1909 /* Current sensor is handling a disk volume member */ 1910 memset(&bd, 0, sizeof(bd)); 1911 bd.bd_volid = arcdata->arc_volid; 1912 bd.bd_diskid = arcdata->arc_diskid - 10; 1913 1914 if (arc_bio_disk_volume(sc, &bd)) 1915 bd.bd_status = BIOC_SDOFFLINE; 1916 bio_disk_to_envsys(edata, &bd); 1917 } else { 1918 /* Current sensor is handling a volume */ 1919 bio_vol_to_envsys(edata, &bv); 1920 } 1921 } 1922 #endif /* NBIO > 0 */ 1923 1924 static uint32_t 1925 arc_read(struct arc_softc *sc, bus_size_t r) 1926 { 1927 uint32_t v; 1928 1929 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, 1930 BUS_SPACE_BARRIER_READ); 1931 v = bus_space_read_4(sc->sc_iot, sc->sc_ioh, r); 1932 1933 DNPRINTF(ARC_D_RW, "%s: arc_read 0x%lx 0x%08x\n", 1934 device_xname(sc->sc_dev), r, v); 1935 1936 return v; 1937 } 1938 1939 static void 1940 arc_read_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len) 1941 { 1942 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len, 1943 BUS_SPACE_BARRIER_READ); 1944 bus_space_read_region_4(sc->sc_iot, sc->sc_ioh, r, 1945 (uint32_t *)buf, len >> 2); 1946 } 1947 1948 static void 1949 arc_write(struct arc_softc *sc, bus_size_t r, uint32_t v) 1950 { 1951 DNPRINTF(ARC_D_RW, "%s: arc_write 0x%lx 0x%08x\n", 1952 device_xname(sc->sc_dev), r, v); 1953 1954 bus_space_write_4(sc->sc_iot, sc->sc_ioh, r, v); 1955 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, 1956 BUS_SPACE_BARRIER_WRITE); 1957 } 1958 1959 static void 1960 arc_write_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len) 1961 { 1962 bus_space_write_region_4(sc->sc_iot, sc->sc_ioh, r, 1963 (const uint32_t *)buf, len >> 2); 1964 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len, 1965 BUS_SPACE_BARRIER_WRITE); 1966 } 1967 1968 static int 1969 arc_wait_eq(struct arc_softc *sc, bus_size_t r, uint32_t mask, 1970 uint32_t target) 1971 { 1972 int i; 1973 1974 DNPRINTF(ARC_D_RW, "%s: arc_wait_eq 0x%lx 0x%08x 0x%08x\n", 1975 device_xname(sc->sc_dev), r, mask, target); 1976 1977 for (i = 0; i < 10000; i++) { 1978 if ((arc_read(sc, r) & mask) == target) 1979 return 0; 1980 delay(1000); 1981 } 1982 1983 return 1; 1984 } 1985 1986 #if unused 1987 static int 1988 arc_wait_ne(struct arc_softc *sc, bus_size_t r, uint32_t mask, 1989 uint32_t target) 1990 { 1991 int i; 1992 1993 DNPRINTF(ARC_D_RW, "%s: arc_wait_ne 0x%lx 0x%08x 0x%08x\n", 1994 device_xname(sc->sc_dev), r, mask, target); 1995 1996 for (i = 0; i < 10000; i++) { 1997 if ((arc_read(sc, r) & mask) != target) 1998 return 0; 1999 delay(1000); 2000 } 2001 2002 return 1; 2003 } 2004 #endif 2005 2006 static int 2007 arc_msg0(struct arc_softc *sc, uint32_t m) 2008 { 2009 /* post message */ 2010 arc_write(sc, ARC_REG_INB_MSG0, m); 2011 /* wait for the fw to do it */ 2012 if (arc_wait_eq(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0, 2013 ARC_REG_INTRSTAT_MSG0) != 0) 2014 return 1; 2015 2016 /* ack it */ 2017 arc_write(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0); 2018 2019 return 0; 2020 } 2021 2022 static struct arc_dmamem * 2023 arc_dmamem_alloc(struct arc_softc *sc, size_t size) 2024 { 2025 struct arc_dmamem *adm; 2026 int nsegs; 2027 2028 adm = kmem_zalloc(sizeof(*adm), KM_NOSLEEP); 2029 if (adm == NULL) 2030 return NULL; 2031 2032 adm->adm_size = size; 2033 2034 if (bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 2035 BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW, &adm->adm_map) != 0) 2036 goto admfree; 2037 2038 if (bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &adm->adm_seg, 2039 1, &nsegs, BUS_DMA_NOWAIT) != 0) 2040 goto destroy; 2041 2042 if (bus_dmamem_map(sc->sc_dmat, &adm->adm_seg, nsegs, size, 2043 &adm->adm_kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT) != 0) 2044 goto free; 2045 2046 if (bus_dmamap_load(sc->sc_dmat, adm->adm_map, adm->adm_kva, size, 2047 NULL, BUS_DMA_NOWAIT) != 0) 2048 goto unmap; 2049 2050 memset(adm->adm_kva, 0, size); 2051 2052 return adm; 2053 2054 unmap: 2055 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, size); 2056 free: 2057 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1); 2058 destroy: 2059 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map); 2060 admfree: 2061 kmem_free(adm, sizeof(*adm)); 2062 2063 return NULL; 2064 } 2065 2066 static void 2067 arc_dmamem_free(struct arc_softc *sc, struct arc_dmamem *adm) 2068 { 2069 bus_dmamap_unload(sc->sc_dmat, adm->adm_map); 2070 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, adm->adm_size); 2071 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1); 2072 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map); 2073 kmem_free(adm, sizeof(*adm)); 2074 } 2075 2076 static int 2077 arc_alloc_ccbs(device_t self) 2078 { 2079 struct arc_softc *sc = device_private(self); 2080 struct arc_ccb *ccb; 2081 uint8_t *cmd; 2082 int i; 2083 size_t ccbslen; 2084 2085 TAILQ_INIT(&sc->sc_ccb_free); 2086 2087 ccbslen = sizeof(struct arc_ccb) * sc->sc_req_count; 2088 sc->sc_ccbs = kmem_zalloc(ccbslen, KM_SLEEP); 2089 2090 sc->sc_requests = arc_dmamem_alloc(sc, 2091 ARC_MAX_IOCMDLEN * sc->sc_req_count); 2092 if (sc->sc_requests == NULL) { 2093 aprint_error_dev(self, "unable to allocate ccb dmamem\n"); 2094 goto free_ccbs; 2095 } 2096 cmd = ARC_DMA_KVA(sc->sc_requests); 2097 2098 for (i = 0; i < sc->sc_req_count; i++) { 2099 ccb = &sc->sc_ccbs[i]; 2100 2101 if (bus_dmamap_create(sc->sc_dmat, MAXPHYS, ARC_SGL_MAXLEN, 2102 MAXPHYS, 0, 0, &ccb->ccb_dmamap) != 0) { 2103 aprint_error_dev(self, 2104 "unable to create dmamap for ccb %d\n", i); 2105 goto free_maps; 2106 } 2107 2108 ccb->ccb_sc = sc; 2109 ccb->ccb_id = i; 2110 ccb->ccb_offset = ARC_MAX_IOCMDLEN * i; 2111 2112 ccb->ccb_cmd = (struct arc_io_cmd *)&cmd[ccb->ccb_offset]; 2113 ccb->ccb_cmd_post = (ARC_DMA_DVA(sc->sc_requests) + 2114 ccb->ccb_offset) >> ARC_REG_POST_QUEUE_ADDR_SHIFT; 2115 2116 arc_put_ccb(sc, ccb); 2117 } 2118 2119 return 0; 2120 2121 free_maps: 2122 while ((ccb = arc_get_ccb(sc)) != NULL) 2123 bus_dmamap_destroy(sc->sc_dmat, ccb->ccb_dmamap); 2124 arc_dmamem_free(sc, sc->sc_requests); 2125 2126 free_ccbs: 2127 kmem_free(sc->sc_ccbs, ccbslen); 2128 2129 return 1; 2130 } 2131 2132 static struct arc_ccb * 2133 arc_get_ccb(struct arc_softc *sc) 2134 { 2135 struct arc_ccb *ccb; 2136 2137 ccb = TAILQ_FIRST(&sc->sc_ccb_free); 2138 if (ccb != NULL) 2139 TAILQ_REMOVE(&sc->sc_ccb_free, ccb, ccb_link); 2140 2141 return ccb; 2142 } 2143 2144 static void 2145 arc_put_ccb(struct arc_softc *sc, struct arc_ccb *ccb) 2146 { 2147 ccb->ccb_xs = NULL; 2148 memset(ccb->ccb_cmd, 0, ARC_MAX_IOCMDLEN); 2149 TAILQ_INSERT_TAIL(&sc->sc_ccb_free, ccb, ccb_link); 2150 } 2151
Indexes created Sun Sep 28 12:09:53 GMT 2025