arcmsr.c revision 1.36
1 /* $NetBSD: arcmsr.c,v 1.36 2016/06/19 21:12:44 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 1.36 2016/06/19 21:12:44 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 #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; 244 245 memset(chan, 0, sizeof(*chan)); 246 chan->chan_adapter = adapt; 247 chan->chan_bustype = &scsi_bustype; 248 chan->chan_nluns = ARC_MAX_LUN; 249 chan->chan_ntargets = ARC_MAX_TARGET; 250 chan->chan_id = ARC_MAX_TARGET; 251 chan->chan_flags = SCSIPI_CHAN_NOSETTLE; 252 253 /* 254 * Save the device_t returned, because we could to attach 255 * devices via the management interface. 256 */ 257 sc->sc_scsibus_dv = config_found(self, &sc->sc_chan, scsiprint); 258 259 /* enable interrupts */ 260 arc_write(sc, ARC_REG_INTRMASK, 261 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRSTAT_DOORBELL)); 262 263 #if NBIO > 0 264 /* 265 * Register the driver to bio(4) and setup the sensors. 266 */ 267 if (bio_register(self, arc_bioctl) != 0) 268 panic("%s: bioctl registration failed\n", device_xname(self)); 269 270 /* 271 * you need to talk to the firmware to get volume info. our firmware 272 * interface relies on being able to sleep, so we need to use a thread 273 * to do the work. 274 */ 275 if (kthread_create(PRI_NONE, KTHREAD_MPSAFE, NULL, 276 arc_create_sensors, sc, &sc->sc_lwp, "arcmsr_sensors") != 0) 277 panic("%s: unable to create a kernel thread for sensors\n", 278 device_xname(self)); 279 #endif 280 281 return; 282 283 unmap_pci: 284 arc_unmap_pci_resources(sc); 285 } 286 287 static int 288 arc_detach(device_t self, int flags) 289 { 290 struct arc_softc *sc = device_private(self); 291 292 if (arc_msg0(sc, ARC_REG_INB_MSG0_STOP_BGRB) != 0) 293 aprint_error_dev(self, "timeout waiting to stop bg rebuild\n"); 294 295 if (arc_msg0(sc, ARC_REG_INB_MSG0_FLUSH_CACHE) != 0) 296 aprint_error_dev(self, "timeout waiting to flush cache\n"); 297 298 if (sc->sc_sme != NULL) 299 sysmon_envsys_unregister(sc->sc_sme); 300 301 return 0; 302 } 303 304 static bool 305 arc_shutdown(device_t self, int how) 306 { 307 struct arc_softc *sc = device_private(self); 308 309 if (arc_msg0(sc, ARC_REG_INB_MSG0_STOP_BGRB) != 0) 310 aprint_error_dev(self, "timeout waiting to stop bg rebuild\n"); 311 312 if (arc_msg0(sc, ARC_REG_INB_MSG0_FLUSH_CACHE) != 0) 313 aprint_error_dev(self, "timeout waiting to flush cache\n"); 314 315 return true; 316 } 317 318 static void 319 arc_minphys(struct buf *bp) 320 { 321 if (bp->b_bcount > MAXPHYS) 322 bp->b_bcount = MAXPHYS; 323 minphys(bp); 324 } 325 326 static int 327 arc_intr(void *arg) 328 { 329 struct arc_softc *sc = arg; 330 struct arc_ccb *ccb = NULL; 331 char *kva = ARC_DMA_KVA(sc->sc_requests); 332 struct arc_io_cmd *cmd; 333 uint32_t reg, intrstat; 334 335 mutex_spin_enter(&sc->sc_mutex); 336 intrstat = arc_read(sc, ARC_REG_INTRSTAT); 337 if (intrstat == 0x0) { 338 mutex_spin_exit(&sc->sc_mutex); 339 return 0; 340 } 341 342 intrstat &= ARC_REG_INTRSTAT_POSTQUEUE | ARC_REG_INTRSTAT_DOORBELL; 343 arc_write(sc, ARC_REG_INTRSTAT, intrstat); 344 345 if (intrstat & ARC_REG_INTRSTAT_DOORBELL) { 346 if (sc->sc_talking) { 347 arc_write(sc, ARC_REG_INTRMASK, 348 ~ARC_REG_INTRMASK_POSTQUEUE); 349 cv_broadcast(&sc->sc_condvar); 350 } else { 351 /* otherwise drop it */ 352 reg = arc_read(sc, ARC_REG_OUTB_DOORBELL); 353 arc_write(sc, ARC_REG_OUTB_DOORBELL, reg); 354 if (reg & ARC_REG_OUTB_DOORBELL_WRITE_OK) 355 arc_write(sc, ARC_REG_INB_DOORBELL, 356 ARC_REG_INB_DOORBELL_READ_OK); 357 } 358 } 359 mutex_spin_exit(&sc->sc_mutex); 360 361 while ((reg = arc_pop(sc)) != 0xffffffff) { 362 cmd = (struct arc_io_cmd *)(kva + 363 ((reg << ARC_REG_REPLY_QUEUE_ADDR_SHIFT) - 364 (uint32_t)ARC_DMA_DVA(sc->sc_requests))); 365 ccb = &sc->sc_ccbs[htole32(cmd->cmd.context)]; 366 367 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), 368 ccb->ccb_offset, ARC_MAX_IOCMDLEN, 369 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 370 371 arc_scsi_cmd_done(sc, ccb, reg); 372 } 373 374 375 return 1; 376 } 377 378 void 379 arc_scsi_cmd(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg) 380 { 381 struct scsipi_periph *periph; 382 struct scsipi_xfer *xs; 383 struct scsipi_adapter *adapt = chan->chan_adapter; 384 struct arc_softc *sc = device_private(adapt->adapt_dev); 385 struct arc_ccb *ccb; 386 struct arc_msg_scsicmd *cmd; 387 uint32_t reg; 388 uint8_t target; 389 390 switch (req) { 391 case ADAPTER_REQ_GROW_RESOURCES: 392 /* Not supported. */ 393 return; 394 case ADAPTER_REQ_SET_XFER_MODE: 395 /* Not supported. */ 396 return; 397 case ADAPTER_REQ_RUN_XFER: 398 break; 399 } 400 401 mutex_spin_enter(&sc->sc_mutex); 402 403 xs = arg; 404 periph = xs->xs_periph; 405 target = periph->periph_target; 406 407 if (xs->cmdlen > ARC_MSG_CDBLEN) { 408 memset(&xs->sense, 0, sizeof(xs->sense)); 409 xs->sense.scsi_sense.response_code = SSD_RCODE_VALID | 0x70; 410 xs->sense.scsi_sense.flags = SKEY_ILLEGAL_REQUEST; 411 xs->sense.scsi_sense.asc = 0x20; 412 xs->error = XS_SENSE; 413 xs->status = SCSI_CHECK; 414 mutex_spin_exit(&sc->sc_mutex); 415 scsipi_done(xs); 416 return; 417 } 418 419 ccb = arc_get_ccb(sc); 420 if (ccb == NULL) { 421 xs->error = XS_RESOURCE_SHORTAGE; 422 mutex_spin_exit(&sc->sc_mutex); 423 scsipi_done(xs); 424 return; 425 } 426 427 ccb->ccb_xs = xs; 428 429 if (arc_load_xs(ccb) != 0) { 430 xs->error = XS_DRIVER_STUFFUP; 431 arc_put_ccb(sc, ccb); 432 mutex_spin_exit(&sc->sc_mutex); 433 scsipi_done(xs); 434 return; 435 } 436 437 cmd = &ccb->ccb_cmd->cmd; 438 reg = ccb->ccb_cmd_post; 439 440 /* bus is always 0 */ 441 cmd->target = target; 442 cmd->lun = periph->periph_lun; 443 cmd->function = 1; /* XXX magic number */ 444 445 cmd->cdb_len = xs->cmdlen; 446 cmd->sgl_len = ccb->ccb_dmamap->dm_nsegs; 447 if (xs->xs_control & XS_CTL_DATA_OUT) 448 cmd->flags = ARC_MSG_SCSICMD_FLAG_WRITE; 449 if (ccb->ccb_dmamap->dm_nsegs > ARC_SGL_256LEN) { 450 cmd->flags |= ARC_MSG_SCSICMD_FLAG_SGL_BSIZE_512; 451 reg |= ARC_REG_POST_QUEUE_BIGFRAME; 452 } 453 454 cmd->context = htole32(ccb->ccb_id); 455 cmd->data_len = htole32(xs->datalen); 456 457 memcpy(cmd->cdb, xs->cmd, xs->cmdlen); 458 459 /* we've built the command, let's put it on the hw */ 460 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), 461 ccb->ccb_offset, ARC_MAX_IOCMDLEN, 462 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 463 464 arc_push(sc, reg); 465 if (xs->xs_control & XS_CTL_POLL) { 466 if (arc_complete(sc, ccb, xs->timeout) != 0) { 467 xs->error = XS_DRIVER_STUFFUP; 468 mutex_spin_exit(&sc->sc_mutex); 469 scsipi_done(xs); 470 return; 471 } 472 } 473 474 mutex_spin_exit(&sc->sc_mutex); 475 } 476 477 int 478 arc_load_xs(struct arc_ccb *ccb) 479 { 480 struct arc_softc *sc = ccb->ccb_sc; 481 struct scsipi_xfer *xs = ccb->ccb_xs; 482 bus_dmamap_t dmap = ccb->ccb_dmamap; 483 struct arc_sge *sgl = ccb->ccb_cmd->sgl, *sge; 484 uint64_t addr; 485 int i, error; 486 487 if (xs->datalen == 0) 488 return 0; 489 490 error = bus_dmamap_load(sc->sc_dmat, dmap, 491 xs->data, xs->datalen, NULL, 492 (xs->xs_control & XS_CTL_NOSLEEP) ? 493 BUS_DMA_NOWAIT : BUS_DMA_WAITOK); 494 if (error != 0) { 495 aprint_error("%s: error %d loading dmamap\n", 496 device_xname(sc->sc_dev), error); 497 return 1; 498 } 499 500 for (i = 0; i < dmap->dm_nsegs; i++) { 501 sge = &sgl[i]; 502 503 sge->sg_hdr = htole32(ARC_SGE_64BIT | dmap->dm_segs[i].ds_len); 504 addr = dmap->dm_segs[i].ds_addr; 505 sge->sg_hi_addr = htole32((uint32_t)(addr >> 32)); 506 sge->sg_lo_addr = htole32((uint32_t)addr); 507 } 508 509 bus_dmamap_sync(sc->sc_dmat, dmap, 0, dmap->dm_mapsize, 510 (xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMASYNC_PREREAD : 511 BUS_DMASYNC_PREWRITE); 512 513 return 0; 514 } 515 516 void 517 arc_scsi_cmd_done(struct arc_softc *sc, struct arc_ccb *ccb, uint32_t reg) 518 { 519 struct scsipi_xfer *xs = ccb->ccb_xs; 520 struct arc_msg_scsicmd *cmd; 521 522 if (xs->datalen != 0) { 523 bus_dmamap_sync(sc->sc_dmat, ccb->ccb_dmamap, 0, 524 ccb->ccb_dmamap->dm_mapsize, 525 (xs->xs_control & XS_CTL_DATA_IN) ? 526 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 527 bus_dmamap_unload(sc->sc_dmat, ccb->ccb_dmamap); 528 } 529 530 /* timeout_del */ 531 xs->status |= XS_STS_DONE; 532 533 if (reg & ARC_REG_REPLY_QUEUE_ERR) { 534 cmd = &ccb->ccb_cmd->cmd; 535 536 switch (cmd->status) { 537 case ARC_MSG_STATUS_SELTIMEOUT: 538 case ARC_MSG_STATUS_ABORTED: 539 case ARC_MSG_STATUS_INIT_FAIL: 540 xs->status = SCSI_OK; 541 xs->error = XS_SELTIMEOUT; 542 break; 543 544 case SCSI_CHECK: 545 memset(&xs->sense, 0, sizeof(xs->sense)); 546 memcpy(&xs->sense, cmd->sense_data, 547 min(ARC_MSG_SENSELEN, sizeof(xs->sense))); 548 xs->sense.scsi_sense.response_code = 549 SSD_RCODE_VALID | 0x70; 550 xs->status = SCSI_CHECK; 551 xs->error = XS_SENSE; 552 xs->resid = 0; 553 break; 554 555 default: 556 /* unknown device status */ 557 xs->error = XS_BUSY; /* try again later? */ 558 xs->status = SCSI_BUSY; 559 break; 560 } 561 } else { 562 xs->status = SCSI_OK; 563 xs->error = XS_NOERROR; 564 xs->resid = 0; 565 } 566 567 arc_put_ccb(sc, ccb); 568 scsipi_done(xs); 569 } 570 571 int 572 arc_complete(struct arc_softc *sc, struct arc_ccb *nccb, int timeout) 573 { 574 struct arc_ccb *ccb = NULL; 575 char *kva = ARC_DMA_KVA(sc->sc_requests); 576 struct arc_io_cmd *cmd; 577 uint32_t reg; 578 579 do { 580 reg = arc_pop(sc); 581 if (reg == 0xffffffff) { 582 if (timeout-- == 0) 583 return 1; 584 585 delay(1000); 586 continue; 587 } 588 589 cmd = (struct arc_io_cmd *)(kva + 590 ((reg << ARC_REG_REPLY_QUEUE_ADDR_SHIFT) - 591 ARC_DMA_DVA(sc->sc_requests))); 592 ccb = &sc->sc_ccbs[htole32(cmd->cmd.context)]; 593 594 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), 595 ccb->ccb_offset, ARC_MAX_IOCMDLEN, 596 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 597 598 arc_scsi_cmd_done(sc, ccb, reg); 599 } while (nccb != ccb); 600 601 return 0; 602 } 603 604 int 605 arc_map_pci_resources(device_t self, struct pci_attach_args *pa) 606 { 607 struct arc_softc *sc = device_private(self); 608 pcireg_t memtype; 609 pci_intr_handle_t ih; 610 char intrbuf[PCI_INTRSTR_LEN]; 611 612 sc->sc_pc = pa->pa_pc; 613 sc->sc_tag = pa->pa_tag; 614 sc->sc_dmat = pa->pa_dmat; 615 616 memtype = pci_mapreg_type(sc->sc_pc, sc->sc_tag, ARC_PCI_BAR); 617 if (pci_mapreg_map(pa, ARC_PCI_BAR, memtype, 0, &sc->sc_iot, 618 &sc->sc_ioh, NULL, &sc->sc_ios) != 0) { 619 aprint_error(": unable to map system interface register\n"); 620 return 1; 621 } 622 623 if (pci_intr_map(pa, &ih) != 0) { 624 aprint_error(": unable to map interrupt\n"); 625 goto unmap; 626 } 627 628 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, 629 arc_intr, sc); 630 if (sc->sc_ih == NULL) { 631 aprint_error(": unable to map interrupt [2]\n"); 632 goto unmap; 633 } 634 635 aprint_normal("\n"); 636 aprint_normal_dev(self, "interrupting at %s\n", 637 pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf))); 638 639 return 0; 640 641 unmap: 642 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 643 sc->sc_ios = 0; 644 return 1; 645 } 646 647 void 648 arc_unmap_pci_resources(struct arc_softc *sc) 649 { 650 pci_intr_disestablish(sc->sc_pc, sc->sc_ih); 651 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 652 sc->sc_ios = 0; 653 } 654 655 int 656 arc_query_firmware(device_t self) 657 { 658 struct arc_softc *sc = device_private(self); 659 struct arc_msg_firmware_info fwinfo; 660 char string[81]; /* sizeof(vendor)*2+1 */ 661 662 if (arc_wait_eq(sc, ARC_REG_OUTB_ADDR1, ARC_REG_OUTB_ADDR1_FIRMWARE_OK, 663 ARC_REG_OUTB_ADDR1_FIRMWARE_OK) != 0) { 664 aprint_debug_dev(self, "timeout waiting for firmware ok\n"); 665 return 1; 666 } 667 668 if (arc_msg0(sc, ARC_REG_INB_MSG0_GET_CONFIG) != 0) { 669 aprint_debug_dev(self, "timeout waiting for get config\n"); 670 return 1; 671 } 672 673 if (arc_msg0(sc, ARC_REG_INB_MSG0_START_BGRB) != 0) { 674 aprint_debug_dev(self, "timeout waiting to start bg rebuild\n"); 675 return 1; 676 } 677 678 arc_read_region(sc, ARC_REG_MSGBUF, &fwinfo, sizeof(fwinfo)); 679 680 DNPRINTF(ARC_D_INIT, "%s: signature: 0x%08x\n", 681 device_xname(self), htole32(fwinfo.signature)); 682 683 if (htole32(fwinfo.signature) != ARC_FWINFO_SIGNATURE_GET_CONFIG) { 684 aprint_error_dev(self, "invalid firmware info from iop\n"); 685 return 1; 686 } 687 688 DNPRINTF(ARC_D_INIT, "%s: request_len: %d\n", 689 device_xname(self), htole32(fwinfo.request_len)); 690 DNPRINTF(ARC_D_INIT, "%s: queue_len: %d\n", 691 device_xname(self), htole32(fwinfo.queue_len)); 692 DNPRINTF(ARC_D_INIT, "%s: sdram_size: %d\n", 693 device_xname(self), htole32(fwinfo.sdram_size)); 694 DNPRINTF(ARC_D_INIT, "%s: sata_ports: %d\n", 695 device_xname(self), htole32(fwinfo.sata_ports)); 696 697 strnvisx(string, sizeof(string), fwinfo.vendor, sizeof(fwinfo.vendor), 698 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 699 DNPRINTF(ARC_D_INIT, "%s: vendor: \"%s\"\n", 700 device_xname(self), string); 701 702 strnvisx(string, sizeof(string), fwinfo.model, sizeof(fwinfo.model), 703 VIS_TRIM|VIS_SAFE|VIS_OCTAL); 704 aprint_normal_dev(self, "Areca %s Host Adapter RAID controller\n", 705 string); 706 707 strnvisx(string, sizeof(string), fwinfo.fw_version, 708 sizeof(fwinfo.fw_version), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 709 DNPRINTF(ARC_D_INIT, "%s: version: \"%s\"\n", 710 device_xname(self), string); 711 712 aprint_normal_dev(self, "%d ports, %dMB SDRAM, firmware <%s>\n", 713 htole32(fwinfo.sata_ports), htole32(fwinfo.sdram_size), string); 714 715 if (htole32(fwinfo.request_len) != ARC_MAX_IOCMDLEN) { 716 aprint_error_dev(self, 717 "unexpected request frame size (%d != %d)\n", 718 htole32(fwinfo.request_len), ARC_MAX_IOCMDLEN); 719 return 1; 720 } 721 722 sc->sc_req_count = htole32(fwinfo.queue_len); 723 724 return 0; 725 } 726 727 #if NBIO > 0 728 static int 729 arc_bioctl(device_t self, u_long cmd, void *addr) 730 { 731 struct arc_softc *sc = device_private(self); 732 int error = 0; 733 734 switch (cmd) { 735 case BIOCINQ: 736 error = arc_bio_inq(sc, (struct bioc_inq *)addr); 737 break; 738 739 case BIOCVOL: 740 error = arc_bio_vol(sc, (struct bioc_vol *)addr); 741 break; 742 743 case BIOCDISK: 744 error = arc_bio_disk_volume(sc, (struct bioc_disk *)addr); 745 break; 746 747 case BIOCDISK_NOVOL: 748 error = arc_bio_disk_novol(sc, (struct bioc_disk *)addr); 749 break; 750 751 case BIOCALARM: 752 error = arc_bio_alarm(sc, (struct bioc_alarm *)addr); 753 break; 754 755 case BIOCSETSTATE: 756 error = arc_bio_setstate(sc, (struct bioc_setstate *)addr); 757 break; 758 759 case BIOCVOLOPS: 760 error = arc_bio_volops(sc, (struct bioc_volops *)addr); 761 break; 762 763 default: 764 error = ENOTTY; 765 break; 766 } 767 768 return error; 769 } 770 771 static int 772 arc_fw_parse_status_code(struct arc_softc *sc, uint8_t *reply) 773 { 774 switch (*reply) { 775 case ARC_FW_CMD_RAIDINVAL: 776 printf("%s: firmware error (invalid raid set)\n", 777 device_xname(sc->sc_dev)); 778 return EINVAL; 779 case ARC_FW_CMD_VOLINVAL: 780 printf("%s: firmware error (invalid volume set)\n", 781 device_xname(sc->sc_dev)); 782 return EINVAL; 783 case ARC_FW_CMD_NORAID: 784 printf("%s: firmware error (unexistent raid set)\n", 785 device_xname(sc->sc_dev)); 786 return ENODEV; 787 case ARC_FW_CMD_NOVOLUME: 788 printf("%s: firmware error (unexistent volume set)\n", 789 device_xname(sc->sc_dev)); 790 return ENODEV; 791 case ARC_FW_CMD_NOPHYSDRV: 792 printf("%s: firmware error (unexistent physical drive)\n", 793 device_xname(sc->sc_dev)); 794 return ENODEV; 795 case ARC_FW_CMD_PARAM_ERR: 796 printf("%s: firmware error (parameter error)\n", 797 device_xname(sc->sc_dev)); 798 return EINVAL; 799 case ARC_FW_CMD_UNSUPPORTED: 800 printf("%s: firmware error (unsupported command)\n", 801 device_xname(sc->sc_dev)); 802 return EOPNOTSUPP; 803 case ARC_FW_CMD_DISKCFG_CHGD: 804 printf("%s: firmware error (disk configuration changed)\n", 805 device_xname(sc->sc_dev)); 806 return EINVAL; 807 case ARC_FW_CMD_PASS_INVAL: 808 printf("%s: firmware error (invalid password)\n", 809 device_xname(sc->sc_dev)); 810 return EINVAL; 811 case ARC_FW_CMD_NODISKSPACE: 812 printf("%s: firmware error (no disk space available)\n", 813 device_xname(sc->sc_dev)); 814 return EOPNOTSUPP; 815 case ARC_FW_CMD_CHECKSUM_ERR: 816 printf("%s: firmware error (checksum error)\n", 817 device_xname(sc->sc_dev)); 818 return EINVAL; 819 case ARC_FW_CMD_PASS_REQD: 820 printf("%s: firmware error (password required)\n", 821 device_xname(sc->sc_dev)); 822 return EPERM; 823 case ARC_FW_CMD_OK: 824 default: 825 return 0; 826 } 827 } 828 829 static int 830 arc_bio_alarm(struct arc_softc *sc, struct bioc_alarm *ba) 831 { 832 uint8_t request[2], reply[1]; 833 size_t len; 834 int error = 0; 835 836 switch (ba->ba_opcode) { 837 case BIOC_SAENABLE: 838 case BIOC_SADISABLE: 839 request[0] = ARC_FW_SET_ALARM; 840 request[1] = (ba->ba_opcode == BIOC_SAENABLE) ? 841 ARC_FW_SET_ALARM_ENABLE : ARC_FW_SET_ALARM_DISABLE; 842 len = sizeof(request); 843 844 break; 845 846 case BIOC_SASILENCE: 847 request[0] = ARC_FW_MUTE_ALARM; 848 len = 1; 849 850 break; 851 852 case BIOC_GASTATUS: 853 /* system info is too big/ugly to deal with here */ 854 return arc_bio_alarm_state(sc, ba); 855 856 default: 857 return EOPNOTSUPP; 858 } 859 860 error = arc_msgbuf(sc, request, len, reply, sizeof(reply)); 861 if (error != 0) 862 return error; 863 864 return arc_fw_parse_status_code(sc, &reply[0]); 865 } 866 867 static int 868 arc_bio_alarm_state(struct arc_softc *sc, struct bioc_alarm *ba) 869 { 870 struct arc_fw_sysinfo *sysinfo; 871 uint8_t request; 872 int error = 0; 873 874 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP); 875 876 request = ARC_FW_SYSINFO; 877 error = arc_msgbuf(sc, &request, sizeof(request), 878 sysinfo, sizeof(struct arc_fw_sysinfo)); 879 880 if (error != 0) 881 goto out; 882 883 ba->ba_status = sysinfo->alarm; 884 885 out: 886 kmem_free(sysinfo, sizeof(*sysinfo)); 887 return error; 888 } 889 890 static int 891 arc_bio_volops(struct arc_softc *sc, struct bioc_volops *bc) 892 { 893 /* to create a raid set */ 894 struct req_craidset { 895 uint8_t cmdcode; 896 uint32_t devmask; 897 uint8_t raidset_name[16]; 898 } __packed; 899 900 /* to create a volume set */ 901 struct req_cvolset { 902 uint8_t cmdcode; 903 uint8_t raidset; 904 uint8_t volset_name[16]; 905 uint64_t capacity; 906 uint8_t raidlevel; 907 uint8_t stripe; 908 uint8_t scsi_chan; 909 uint8_t scsi_target; 910 uint8_t scsi_lun; 911 uint8_t tagqueue; 912 uint8_t cache; 913 uint8_t speed; 914 uint8_t quick_init; 915 } __packed; 916 917 struct scsibus_softc *scsibus_sc = NULL; 918 struct req_craidset req_craidset; 919 struct req_cvolset req_cvolset; 920 uint8_t request[2]; 921 uint8_t reply[1]; 922 int error = 0; 923 924 switch (bc->bc_opcode) { 925 case BIOC_VCREATE_VOLUME: 926 { 927 /* 928 * Zero out the structs so that we use some defaults 929 * in raid and volume sets. 930 */ 931 memset(&req_craidset, 0, sizeof(req_craidset)); 932 memset(&req_cvolset, 0, sizeof(req_cvolset)); 933 934 /* 935 * Firstly we have to create the raid set and 936 * use the default name for all them. 937 */ 938 req_craidset.cmdcode = ARC_FW_CREATE_RAIDSET; 939 req_craidset.devmask = bc->bc_devmask; 940 error = arc_msgbuf(sc, &req_craidset, sizeof(req_craidset), 941 reply, sizeof(reply)); 942 if (error != 0) 943 return error; 944 945 error = arc_fw_parse_status_code(sc, &reply[0]); 946 if (error) { 947 printf("%s: create raidset%d failed\n", 948 device_xname(sc->sc_dev), bc->bc_volid); 949 return error; 950 } 951 952 /* 953 * At this point the raid set was created, so it's 954 * time to create the volume set. 955 */ 956 req_cvolset.cmdcode = ARC_FW_CREATE_VOLUME; 957 req_cvolset.raidset = bc->bc_volid; 958 req_cvolset.capacity = bc->bc_size * ARC_BLOCKSIZE; 959 960 /* 961 * Set the RAID level. 962 */ 963 switch (bc->bc_level) { 964 case 0: 965 case 1: 966 req_cvolset.raidlevel = bc->bc_level; 967 break; 968 case BIOC_SVOL_RAID10: 969 req_cvolset.raidlevel = 1; 970 break; 971 case 3: 972 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_3; 973 break; 974 case 5: 975 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_5; 976 break; 977 case 6: 978 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_6; 979 break; 980 default: 981 return EOPNOTSUPP; 982 } 983 984 /* 985 * Set the stripe size. 986 */ 987 switch (bc->bc_stripe) { 988 case 4: 989 req_cvolset.stripe = 0; 990 break; 991 case 8: 992 req_cvolset.stripe = 1; 993 break; 994 case 16: 995 req_cvolset.stripe = 2; 996 break; 997 case 32: 998 req_cvolset.stripe = 3; 999 break; 1000 case 64: 1001 req_cvolset.stripe = 4; 1002 break; 1003 case 128: 1004 req_cvolset.stripe = 5; 1005 break; 1006 default: 1007 req_cvolset.stripe = 4; /* by default 64K */ 1008 break; 1009 } 1010 1011 req_cvolset.scsi_chan = bc->bc_channel; 1012 req_cvolset.scsi_target = bc->bc_target; 1013 req_cvolset.scsi_lun = bc->bc_lun; 1014 req_cvolset.tagqueue = 1; /* always enabled */ 1015 req_cvolset.cache = 1; /* always enabled */ 1016 req_cvolset.speed = 4; /* always max speed */ 1017 1018 /* RAID 1 and 1+0 levels need foreground initialization */ 1019 if (bc->bc_level == 1 || bc->bc_level == BIOC_SVOL_RAID10) 1020 req_cvolset.quick_init = 1; /* foreground init */ 1021 1022 error = arc_msgbuf(sc, &req_cvolset, sizeof(req_cvolset), 1023 reply, sizeof(reply)); 1024 if (error != 0) 1025 return error; 1026 1027 error = arc_fw_parse_status_code(sc, &reply[0]); 1028 if (error) { 1029 printf("%s: create volumeset%d failed\n", 1030 device_xname(sc->sc_dev), bc->bc_volid); 1031 return error; 1032 } 1033 1034 /* 1035 * If we are creating a RAID 1 or RAID 1+0 volume, 1036 * the volume will be created immediately but it won't 1037 * be available until the initialization is done... so 1038 * don't bother attaching the sd(4) device. 1039 */ 1040 if (bc->bc_level == 1 || bc->bc_level == BIOC_SVOL_RAID10) 1041 break; 1042 1043 /* 1044 * Do a rescan on the bus to attach the device associated 1045 * with the new volume. 1046 */ 1047 scsibus_sc = device_private(sc->sc_scsibus_dv); 1048 (void)scsi_probe_bus(scsibus_sc, bc->bc_target, bc->bc_lun); 1049 1050 break; 1051 } 1052 case BIOC_VREMOVE_VOLUME: 1053 { 1054 /* 1055 * Remove the volume set specified in bc_volid. 1056 */ 1057 request[0] = ARC_FW_DELETE_VOLUME; 1058 request[1] = bc->bc_volid; 1059 error = arc_msgbuf(sc, request, sizeof(request), 1060 reply, sizeof(reply)); 1061 if (error != 0) 1062 return error; 1063 1064 error = arc_fw_parse_status_code(sc, &reply[0]); 1065 if (error) { 1066 printf("%s: delete volumeset%d failed\n", 1067 device_xname(sc->sc_dev), bc->bc_volid); 1068 return error; 1069 } 1070 1071 /* 1072 * Detach the sd(4) device associated with the volume, 1073 * but if there's an error don't make it a priority. 1074 */ 1075 error = scsipi_target_detach(&sc->sc_chan, bc->bc_target, 1076 bc->bc_lun, 0); 1077 if (error) 1078 printf("%s: couldn't detach sd device for volume %d " 1079 "at %u:%u.%u (error=%d)\n", 1080 device_xname(sc->sc_dev), bc->bc_volid, 1081 bc->bc_channel, bc->bc_target, bc->bc_lun, error); 1082 1083 /* 1084 * and remove the raid set specified in bc_volid, 1085 * we only care about volumes. 1086 */ 1087 request[0] = ARC_FW_DELETE_RAIDSET; 1088 request[1] = bc->bc_volid; 1089 error = arc_msgbuf(sc, request, sizeof(request), 1090 reply, sizeof(reply)); 1091 if (error != 0) 1092 return error; 1093 1094 error = arc_fw_parse_status_code(sc, &reply[0]); 1095 if (error) { 1096 printf("%s: delete raidset%d failed\n", 1097 device_xname(sc->sc_dev), bc->bc_volid); 1098 return error; 1099 } 1100 1101 break; 1102 } 1103 default: 1104 return EOPNOTSUPP; 1105 } 1106 1107 return error; 1108 } 1109 1110 static int 1111 arc_bio_setstate(struct arc_softc *sc, struct bioc_setstate *bs) 1112 { 1113 /* for a hotspare disk */ 1114 struct request_hs { 1115 uint8_t cmdcode; 1116 uint32_t devmask; 1117 } __packed; 1118 1119 /* for a pass-through disk */ 1120 struct request_pt { 1121 uint8_t cmdcode; 1122 uint8_t devid; 1123 uint8_t scsi_chan; 1124 uint8_t scsi_id; 1125 uint8_t scsi_lun; 1126 uint8_t tagged_queue; 1127 uint8_t cache_mode; 1128 uint8_t max_speed; 1129 } __packed; 1130 1131 struct scsibus_softc *scsibus_sc = NULL; 1132 struct request_hs req_hs; /* to add/remove hotspare */ 1133 struct request_pt req_pt; /* to add a pass-through */ 1134 uint8_t req_gen[2]; 1135 uint8_t reply[1]; 1136 int error = 0; 1137 1138 switch (bs->bs_status) { 1139 case BIOC_SSHOTSPARE: 1140 { 1141 req_hs.cmdcode = ARC_FW_CREATE_HOTSPARE; 1142 req_hs.devmask = (1 << bs->bs_target); 1143 goto hotspare; 1144 } 1145 case BIOC_SSDELHOTSPARE: 1146 { 1147 req_hs.cmdcode = ARC_FW_DELETE_HOTSPARE; 1148 req_hs.devmask = (1 << bs->bs_target); 1149 goto hotspare; 1150 } 1151 case BIOC_SSPASSTHRU: 1152 { 1153 req_pt.cmdcode = ARC_FW_CREATE_PASSTHRU; 1154 req_pt.devid = bs->bs_other_id; /* this wants device# */ 1155 req_pt.scsi_chan = bs->bs_channel; 1156 req_pt.scsi_id = bs->bs_target; 1157 req_pt.scsi_lun = bs->bs_lun; 1158 req_pt.tagged_queue = 1; /* always enabled */ 1159 req_pt.cache_mode = 1; /* always enabled */ 1160 req_pt.max_speed = 4; /* always max speed */ 1161 1162 error = arc_msgbuf(sc, &req_pt, sizeof(req_pt), 1163 reply, sizeof(reply)); 1164 if (error != 0) 1165 return error; 1166 1167 /* 1168 * Do a rescan on the bus to attach the new device 1169 * associated with the pass-through disk. 1170 */ 1171 scsibus_sc = device_private(sc->sc_scsibus_dv); 1172 (void)scsi_probe_bus(scsibus_sc, bs->bs_target, bs->bs_lun); 1173 1174 goto out; 1175 } 1176 case BIOC_SSDELPASSTHRU: 1177 { 1178 req_gen[0] = ARC_FW_DELETE_PASSTHRU; 1179 req_gen[1] = bs->bs_target; 1180 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen), 1181 reply, sizeof(reply)); 1182 if (error != 0) 1183 return error; 1184 1185 /* 1186 * Detach the sd device associated with this pass-through disk. 1187 */ 1188 error = scsipi_target_detach(&sc->sc_chan, bs->bs_target, 1189 bs->bs_lun, 0); 1190 if (error) 1191 printf("%s: couldn't detach sd device for the " 1192 "pass-through disk at %u:%u.%u (error=%d)\n", 1193 device_xname(sc->sc_dev), 1194 bs->bs_channel, bs->bs_target, bs->bs_lun, error); 1195 1196 goto out; 1197 } 1198 case BIOC_SSCHECKSTART_VOL: 1199 { 1200 req_gen[0] = ARC_FW_START_CHECKVOL; 1201 req_gen[1] = bs->bs_volid; 1202 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen), 1203 reply, sizeof(reply)); 1204 if (error != 0) 1205 return error; 1206 1207 goto out; 1208 } 1209 case BIOC_SSCHECKSTOP_VOL: 1210 { 1211 uint8_t req = ARC_FW_STOP_CHECKVOL; 1212 error = arc_msgbuf(sc, &req, 1, reply, sizeof(reply)); 1213 if (error != 0) 1214 return error; 1215 1216 goto out; 1217 } 1218 default: 1219 return EOPNOTSUPP; 1220 } 1221 1222 hotspare: 1223 error = arc_msgbuf(sc, &req_hs, sizeof(req_hs), 1224 reply, sizeof(reply)); 1225 if (error != 0) 1226 return error; 1227 1228 out: 1229 return arc_fw_parse_status_code(sc, &reply[0]); 1230 } 1231 1232 static int 1233 arc_bio_inq(struct arc_softc *sc, struct bioc_inq *bi) 1234 { 1235 uint8_t request[2]; 1236 struct arc_fw_sysinfo *sysinfo = NULL; 1237 struct arc_fw_raidinfo *raidinfo; 1238 int nvols = 0, i; 1239 int error = 0; 1240 1241 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP); 1242 1243 if (!sc->sc_maxraidset || !sc->sc_maxvolset || !sc->sc_cchans) { 1244 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP); 1245 1246 request[0] = ARC_FW_SYSINFO; 1247 error = arc_msgbuf(sc, request, 1, sysinfo, 1248 sizeof(struct arc_fw_sysinfo)); 1249 if (error != 0) 1250 goto out; 1251 1252 sc->sc_maxraidset = sysinfo->max_raid_set; 1253 sc->sc_maxvolset = sysinfo->max_volume_set; 1254 sc->sc_cchans = sysinfo->ide_channels; 1255 } 1256 1257 request[0] = ARC_FW_RAIDINFO; 1258 for (i = 0; i < sc->sc_maxraidset; i++) { 1259 request[1] = i; 1260 error = arc_msgbuf(sc, request, sizeof(request), raidinfo, 1261 sizeof(struct arc_fw_raidinfo)); 1262 if (error != 0) 1263 goto out; 1264 1265 nvols += raidinfo->volumes; 1266 } 1267 1268 strlcpy(bi->bi_dev, device_xname(sc->sc_dev), sizeof(bi->bi_dev)); 1269 bi->bi_novol = nvols; 1270 bi->bi_nodisk = sc->sc_cchans; 1271 1272 out: 1273 if (sysinfo) 1274 kmem_free(sysinfo, sizeof(*sysinfo)); 1275 kmem_free(raidinfo, sizeof(*raidinfo)); 1276 return error; 1277 } 1278 1279 static int 1280 arc_bio_getvol(struct arc_softc *sc, int vol, struct arc_fw_volinfo *volinfo) 1281 { 1282 uint8_t request[2]; 1283 int error = 0; 1284 int nvols = 0, i; 1285 1286 request[0] = ARC_FW_VOLINFO; 1287 for (i = 0; i < sc->sc_maxvolset; i++) { 1288 request[1] = i; 1289 error = arc_msgbuf(sc, request, sizeof(request), volinfo, 1290 sizeof(struct arc_fw_volinfo)); 1291 if (error != 0) 1292 goto out; 1293 1294 if (volinfo->capacity == 0 && volinfo->capacity2 == 0) 1295 continue; 1296 1297 if (nvols == vol) 1298 break; 1299 1300 nvols++; 1301 } 1302 1303 if (nvols != vol || 1304 (volinfo->capacity == 0 && volinfo->capacity2 == 0)) { 1305 error = ENODEV; 1306 goto out; 1307 } 1308 1309 out: 1310 return error; 1311 } 1312 1313 static int 1314 arc_bio_vol(struct arc_softc *sc, struct bioc_vol *bv) 1315 { 1316 struct arc_fw_volinfo *volinfo; 1317 uint64_t blocks; 1318 uint32_t status; 1319 int error = 0; 1320 1321 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP); 1322 1323 error = arc_bio_getvol(sc, bv->bv_volid, volinfo); 1324 if (error != 0) 1325 goto out; 1326 1327 bv->bv_percent = -1; 1328 bv->bv_seconds = 0; 1329 1330 status = htole32(volinfo->volume_status); 1331 if (status == 0x0) { 1332 if (htole32(volinfo->fail_mask) == 0x0) 1333 bv->bv_status = BIOC_SVONLINE; 1334 else 1335 bv->bv_status = BIOC_SVDEGRADED; 1336 } else if (status & ARC_FW_VOL_STATUS_NEED_REGEN) { 1337 bv->bv_status = BIOC_SVDEGRADED; 1338 } else if (status & ARC_FW_VOL_STATUS_FAILED) { 1339 bv->bv_status = BIOC_SVOFFLINE; 1340 } else if (status & ARC_FW_VOL_STATUS_INITTING) { 1341 bv->bv_status = BIOC_SVBUILDING; 1342 bv->bv_percent = htole32(volinfo->progress); 1343 } else if (status & ARC_FW_VOL_STATUS_REBUILDING) { 1344 bv->bv_status = BIOC_SVREBUILD; 1345 bv->bv_percent = htole32(volinfo->progress); 1346 } else if (status & ARC_FW_VOL_STATUS_MIGRATING) { 1347 bv->bv_status = BIOC_SVMIGRATING; 1348 bv->bv_percent = htole32(volinfo->progress); 1349 } else if (status & ARC_FW_VOL_STATUS_CHECKING) { 1350 bv->bv_status = BIOC_SVCHECKING; 1351 bv->bv_percent = htole32(volinfo->progress); 1352 } else if (status & ARC_FW_VOL_STATUS_NEED_INIT) { 1353 bv->bv_status = BIOC_SVOFFLINE; 1354 } else { 1355 printf("%s: volume %d status 0x%x\n", 1356 device_xname(sc->sc_dev), bv->bv_volid, status); 1357 } 1358 1359 blocks = (uint64_t)htole32(volinfo->capacity2) << 32; 1360 blocks += (uint64_t)htole32(volinfo->capacity); 1361 bv->bv_size = blocks * ARC_BLOCKSIZE; /* XXX */ 1362 1363 switch (volinfo->raid_level) { 1364 case ARC_FW_VOL_RAIDLEVEL_0: 1365 bv->bv_level = 0; 1366 break; 1367 case ARC_FW_VOL_RAIDLEVEL_1: 1368 if (volinfo->member_disks > 2) 1369 bv->bv_level = BIOC_SVOL_RAID10; 1370 else 1371 bv->bv_level = 1; 1372 break; 1373 case ARC_FW_VOL_RAIDLEVEL_3: 1374 bv->bv_level = 3; 1375 break; 1376 case ARC_FW_VOL_RAIDLEVEL_5: 1377 bv->bv_level = 5; 1378 break; 1379 case ARC_FW_VOL_RAIDLEVEL_6: 1380 bv->bv_level = 6; 1381 break; 1382 case ARC_FW_VOL_RAIDLEVEL_PASSTHRU: 1383 bv->bv_level = BIOC_SVOL_PASSTHRU; 1384 break; 1385 default: 1386 bv->bv_level = -1; 1387 break; 1388 } 1389 1390 bv->bv_nodisk = volinfo->member_disks; 1391 bv->bv_stripe_size = volinfo->stripe_size / 2; 1392 snprintf(bv->bv_dev, sizeof(bv->bv_dev), "sd%d", bv->bv_volid); 1393 strnvisx(bv->bv_vendor, sizeof(bv->bv_vendor), volinfo->set_name, 1394 sizeof(volinfo->set_name), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 1395 1396 out: 1397 kmem_free(volinfo, sizeof(*volinfo)); 1398 return error; 1399 } 1400 1401 static int 1402 arc_bio_disk_novol(struct arc_softc *sc, struct bioc_disk *bd) 1403 { 1404 struct arc_fw_diskinfo *diskinfo; 1405 uint8_t request[2]; 1406 int error = 0; 1407 1408 diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP); 1409 1410 if (bd->bd_diskid >= sc->sc_cchans) { 1411 error = ENODEV; 1412 goto out; 1413 } 1414 1415 request[0] = ARC_FW_DISKINFO; 1416 request[1] = bd->bd_diskid; 1417 error = arc_msgbuf(sc, request, sizeof(request), 1418 diskinfo, sizeof(struct arc_fw_diskinfo)); 1419 if (error != 0) 1420 goto out; 1421 1422 /* skip disks with no capacity */ 1423 if (htole32(diskinfo->capacity) == 0 && 1424 htole32(diskinfo->capacity2) == 0) 1425 goto out; 1426 1427 bd->bd_disknovol = true; 1428 arc_bio_disk_filldata(sc, bd, diskinfo, bd->bd_diskid); 1429 1430 out: 1431 kmem_free(diskinfo, sizeof(*diskinfo)); 1432 return error; 1433 } 1434 1435 static void 1436 arc_bio_disk_filldata(struct arc_softc *sc, struct bioc_disk *bd, 1437 struct arc_fw_diskinfo *diskinfo, int diskid) 1438 { 1439 uint64_t blocks; 1440 char model[81]; 1441 char serial[41]; 1442 char rev[17]; 1443 1444 /* Ignore bit zero for now, we don't know what it means */ 1445 diskinfo->device_state &= ~0x1; 1446 1447 switch (diskinfo->device_state) { 1448 case ARC_FW_DISK_FAILED: 1449 bd->bd_status = BIOC_SDFAILED; 1450 break; 1451 case ARC_FW_DISK_PASSTHRU: 1452 bd->bd_status = BIOC_SDPASSTHRU; 1453 break; 1454 case ARC_FW_DISK_NORMAL: 1455 bd->bd_status = BIOC_SDONLINE; 1456 break; 1457 case ARC_FW_DISK_HOTSPARE: 1458 bd->bd_status = BIOC_SDHOTSPARE; 1459 break; 1460 case ARC_FW_DISK_UNUSED: 1461 bd->bd_status = BIOC_SDUNUSED; 1462 break; 1463 case 0: 1464 /* disk has been disconnected */ 1465 bd->bd_status = BIOC_SDOFFLINE; 1466 bd->bd_channel = 1; 1467 bd->bd_target = 0; 1468 bd->bd_lun = 0; 1469 strlcpy(bd->bd_vendor, "disk missing", sizeof(bd->bd_vendor)); 1470 break; 1471 default: 1472 printf("%s: unknown disk device_state: 0x%x\n", __func__, 1473 diskinfo->device_state); 1474 bd->bd_status = BIOC_SDINVALID; 1475 return; 1476 } 1477 1478 blocks = (uint64_t)htole32(diskinfo->capacity2) << 32; 1479 blocks += (uint64_t)htole32(diskinfo->capacity); 1480 bd->bd_size = blocks * ARC_BLOCKSIZE; /* XXX */ 1481 1482 strnvisx(model, sizeof(model), diskinfo->model, 1483 sizeof(diskinfo->model), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 1484 strnvisx(serial, sizeof(serial), diskinfo->serial, 1485 sizeof(diskinfo->serial), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 1486 strnvisx(rev, sizeof(rev), diskinfo->firmware_rev, 1487 sizeof(diskinfo->firmware_rev), VIS_TRIM|VIS_SAFE|VIS_OCTAL); 1488 1489 snprintf(bd->bd_vendor, sizeof(bd->bd_vendor), "%s %s", model, rev); 1490 strlcpy(bd->bd_serial, serial, sizeof(bd->bd_serial)); 1491 1492 #if 0 1493 bd->bd_channel = diskinfo->scsi_attr.channel; 1494 bd->bd_target = diskinfo->scsi_attr.target; 1495 bd->bd_lun = diskinfo->scsi_attr.lun; 1496 #endif 1497 1498 /* 1499 * the firwmare doesnt seem to fill scsi_attr in, so fake it with 1500 * the diskid. 1501 */ 1502 bd->bd_channel = 0; 1503 bd->bd_target = diskid; 1504 bd->bd_lun = 0; 1505 } 1506 1507 static int 1508 arc_bio_disk_volume(struct arc_softc *sc, struct bioc_disk *bd) 1509 { 1510 struct arc_fw_raidinfo *raidinfo; 1511 struct arc_fw_volinfo *volinfo; 1512 struct arc_fw_diskinfo *diskinfo; 1513 uint8_t request[2]; 1514 int error = 0; 1515 1516 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP); 1517 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP); 1518 diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP); 1519 1520 error = arc_bio_getvol(sc, bd->bd_volid, volinfo); 1521 if (error != 0) 1522 goto out; 1523 1524 request[0] = ARC_FW_RAIDINFO; 1525 request[1] = volinfo->raid_set_number; 1526 1527 error = arc_msgbuf(sc, request, sizeof(request), raidinfo, 1528 sizeof(struct arc_fw_raidinfo)); 1529 if (error != 0) 1530 goto out; 1531 1532 if (bd->bd_diskid >= sc->sc_cchans || 1533 bd->bd_diskid >= raidinfo->member_devices) { 1534 error = ENODEV; 1535 goto out; 1536 } 1537 1538 if (raidinfo->device_array[bd->bd_diskid] == 0xff) { 1539 /* 1540 * The disk has been disconnected, mark it offline 1541 * and put it on another bus. 1542 */ 1543 bd->bd_channel = 1; 1544 bd->bd_target = 0; 1545 bd->bd_lun = 0; 1546 bd->bd_status = BIOC_SDOFFLINE; 1547 strlcpy(bd->bd_vendor, "disk missing", sizeof(bd->bd_vendor)); 1548 goto out; 1549 } 1550 1551 request[0] = ARC_FW_DISKINFO; 1552 request[1] = raidinfo->device_array[bd->bd_diskid]; 1553 error = arc_msgbuf(sc, request, sizeof(request), diskinfo, 1554 sizeof(struct arc_fw_diskinfo)); 1555 if (error != 0) 1556 goto out; 1557 1558 /* now fill our bio disk with data from the firmware */ 1559 arc_bio_disk_filldata(sc, bd, diskinfo, 1560 raidinfo->device_array[bd->bd_diskid]); 1561 1562 out: 1563 kmem_free(raidinfo, sizeof(*raidinfo)); 1564 kmem_free(volinfo, sizeof(*volinfo)); 1565 kmem_free(diskinfo, sizeof(*diskinfo)); 1566 return error; 1567 } 1568 1569 static uint8_t 1570 arc_msg_cksum(void *cmd, uint16_t len) 1571 { 1572 uint8_t *buf = cmd; 1573 uint8_t cksum; 1574 int i; 1575 1576 cksum = (uint8_t)(len >> 8) + (uint8_t)len; 1577 for (i = 0; i < len; i++) 1578 cksum += buf[i]; 1579 1580 return cksum; 1581 } 1582 1583 1584 static int 1585 arc_msgbuf(struct arc_softc *sc, void *wptr, size_t wbuflen, void *rptr, 1586 size_t rbuflen) 1587 { 1588 uint8_t rwbuf[ARC_REG_IOC_RWBUF_MAXLEN]; 1589 uint8_t *wbuf, *rbuf; 1590 int wlen, wdone = 0, rlen, rdone = 0; 1591 struct arc_fw_bufhdr *bufhdr; 1592 uint32_t reg, rwlen; 1593 int error = 0; 1594 #ifdef ARC_DEBUG 1595 int i; 1596 #endif 1597 1598 wbuf = rbuf = NULL; 1599 1600 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wbuflen: %d rbuflen: %d\n", 1601 device_xname(sc->sc_dev), wbuflen, rbuflen); 1602 1603 wlen = sizeof(struct arc_fw_bufhdr) + wbuflen + 1; /* 1 for cksum */ 1604 wbuf = kmem_alloc(wlen, KM_SLEEP); 1605 1606 rlen = sizeof(struct arc_fw_bufhdr) + rbuflen + 1; /* 1 for cksum */ 1607 rbuf = kmem_alloc(rlen, KM_SLEEP); 1608 1609 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wlen: %d rlen: %d\n", 1610 device_xname(sc->sc_dev), wlen, rlen); 1611 1612 bufhdr = (struct arc_fw_bufhdr *)wbuf; 1613 bufhdr->hdr = arc_fw_hdr; 1614 bufhdr->len = htole16(wbuflen); 1615 memcpy(wbuf + sizeof(struct arc_fw_bufhdr), wptr, wbuflen); 1616 wbuf[wlen - 1] = arc_msg_cksum(wptr, wbuflen); 1617 1618 arc_lock(sc); 1619 if (arc_read(sc, ARC_REG_OUTB_DOORBELL) != 0) { 1620 error = EBUSY; 1621 goto out; 1622 } 1623 1624 reg = ARC_REG_OUTB_DOORBELL_READ_OK; 1625 1626 do { 1627 if ((reg & ARC_REG_OUTB_DOORBELL_READ_OK) && wdone < wlen) { 1628 memset(rwbuf, 0, sizeof(rwbuf)); 1629 rwlen = (wlen - wdone) % sizeof(rwbuf); 1630 memcpy(rwbuf, &wbuf[wdone], rwlen); 1631 1632 #ifdef ARC_DEBUG 1633 if (arcdebug & ARC_D_DB) { 1634 printf("%s: write %d:", 1635 device_xname(sc->sc_dev), rwlen); 1636 for (i = 0; i < rwlen; i++) 1637 printf(" 0x%02x", rwbuf[i]); 1638 printf("\n"); 1639 } 1640 #endif 1641 1642 /* copy the chunk to the hw */ 1643 arc_write(sc, ARC_REG_IOC_WBUF_LEN, rwlen); 1644 arc_write_region(sc, ARC_REG_IOC_WBUF, rwbuf, 1645 sizeof(rwbuf)); 1646 1647 /* say we have a buffer for the hw */ 1648 arc_write(sc, ARC_REG_INB_DOORBELL, 1649 ARC_REG_INB_DOORBELL_WRITE_OK); 1650 1651 wdone += rwlen; 1652 } 1653 1654 while ((reg = arc_read(sc, ARC_REG_OUTB_DOORBELL)) == 0) 1655 arc_wait(sc); 1656 1657 arc_write(sc, ARC_REG_OUTB_DOORBELL, reg); 1658 1659 DNPRINTF(ARC_D_DB, "%s: reg: 0x%08x\n", 1660 device_xname(sc->sc_dev), reg); 1661 1662 if ((reg & ARC_REG_OUTB_DOORBELL_WRITE_OK) && rdone < rlen) { 1663 rwlen = arc_read(sc, ARC_REG_IOC_RBUF_LEN); 1664 if (rwlen > sizeof(rwbuf)) { 1665 DNPRINTF(ARC_D_DB, "%s: rwlen too big\n", 1666 device_xname(sc->sc_dev)); 1667 error = EIO; 1668 goto out; 1669 } 1670 1671 arc_read_region(sc, ARC_REG_IOC_RBUF, rwbuf, 1672 sizeof(rwbuf)); 1673 1674 arc_write(sc, ARC_REG_INB_DOORBELL, 1675 ARC_REG_INB_DOORBELL_READ_OK); 1676 1677 #ifdef ARC_DEBUG 1678 printf("%s: len: %d+%d=%d/%d\n", 1679 device_xname(sc->sc_dev), 1680 rwlen, rdone, rwlen + rdone, rlen); 1681 if (arcdebug & ARC_D_DB) { 1682 printf("%s: read:", 1683 device_xname(sc->sc_dev)); 1684 for (i = 0; i < rwlen; i++) 1685 printf(" 0x%02x", rwbuf[i]); 1686 printf("\n"); 1687 } 1688 #endif 1689 1690 if ((rdone + rwlen) > rlen) { 1691 DNPRINTF(ARC_D_DB, "%s: rwbuf too big\n", 1692 device_xname(sc->sc_dev)); 1693 error = EIO; 1694 goto out; 1695 } 1696 1697 memcpy(&rbuf[rdone], rwbuf, rwlen); 1698 rdone += rwlen; 1699 } 1700 } while (rdone != rlen); 1701 1702 bufhdr = (struct arc_fw_bufhdr *)rbuf; 1703 if (memcmp(&bufhdr->hdr, &arc_fw_hdr, sizeof(bufhdr->hdr)) != 0 || 1704 bufhdr->len != htole16(rbuflen)) { 1705 DNPRINTF(ARC_D_DB, "%s: rbuf hdr is wrong\n", 1706 device_xname(sc->sc_dev)); 1707 error = EIO; 1708 goto out; 1709 } 1710 1711 memcpy(rptr, rbuf + sizeof(struct arc_fw_bufhdr), rbuflen); 1712 1713 if (rbuf[rlen - 1] != arc_msg_cksum(rptr, rbuflen)) { 1714 DNPRINTF(ARC_D_DB, "%s: invalid cksum\n", 1715 device_xname(sc->sc_dev)); 1716 error = EIO; 1717 goto out; 1718 } 1719 1720 out: 1721 arc_unlock(sc); 1722 kmem_free(wbuf, wlen); 1723 kmem_free(rbuf, rlen); 1724 1725 return error; 1726 } 1727 1728 static void 1729 arc_lock(struct arc_softc *sc) 1730 { 1731 rw_enter(&sc->sc_rwlock, RW_WRITER); 1732 mutex_spin_enter(&sc->sc_mutex); 1733 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE); 1734 sc->sc_talking = 1; 1735 } 1736 1737 static void 1738 arc_unlock(struct arc_softc *sc) 1739 { 1740 KASSERT(mutex_owned(&sc->sc_mutex)); 1741 1742 arc_write(sc, ARC_REG_INTRMASK, 1743 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL)); 1744 sc->sc_talking = 0; 1745 mutex_spin_exit(&sc->sc_mutex); 1746 rw_exit(&sc->sc_rwlock); 1747 } 1748 1749 static void 1750 arc_wait(struct arc_softc *sc) 1751 { 1752 KASSERT(mutex_owned(&sc->sc_mutex)); 1753 1754 arc_write(sc, ARC_REG_INTRMASK, 1755 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL)); 1756 if (cv_timedwait(&sc->sc_condvar, &sc->sc_mutex, hz) == EWOULDBLOCK) 1757 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE); 1758 } 1759 1760 1761 static void 1762 arc_create_sensors(void *arg) 1763 { 1764 struct arc_softc *sc = arg; 1765 struct bioc_inq bi; 1766 struct bioc_vol bv; 1767 int i, j; 1768 size_t slen, count = 0; 1769 1770 memset(&bi, 0, sizeof(bi)); 1771 if (arc_bio_inq(sc, &bi) != 0) { 1772 aprint_error("%s: unable to query firmware for sensor info\n", 1773 device_xname(sc->sc_dev)); 1774 kthread_exit(0); 1775 } 1776 1777 /* There's no point to continue if there are no volumes */ 1778 if (!bi.bi_novol) 1779 kthread_exit(0); 1780 1781 for (i = 0; i < bi.bi_novol; i++) { 1782 memset(&bv, 0, sizeof(bv)); 1783 bv.bv_volid = i; 1784 if (arc_bio_vol(sc, &bv) != 0) 1785 kthread_exit(0); 1786 1787 /* Skip passthrough volumes */ 1788 if (bv.bv_level == BIOC_SVOL_PASSTHRU) 1789 continue; 1790 1791 /* new volume found */ 1792 sc->sc_nsensors++; 1793 /* new disk in a volume found */ 1794 sc->sc_nsensors+= bv.bv_nodisk; 1795 } 1796 1797 /* No valid volumes */ 1798 if (!sc->sc_nsensors) 1799 kthread_exit(0); 1800 1801 sc->sc_sme = sysmon_envsys_create(); 1802 slen = sizeof(arc_edata_t) * sc->sc_nsensors; 1803 sc->sc_arc_sensors = kmem_zalloc(slen, KM_SLEEP); 1804 1805 /* Attach sensors for volumes and disks */ 1806 for (i = 0; i < bi.bi_novol; i++) { 1807 memset(&bv, 0, sizeof(bv)); 1808 bv.bv_volid = i; 1809 if (arc_bio_vol(sc, &bv) != 0) 1810 goto bad; 1811 1812 sc->sc_arc_sensors[count].arc_sensor.units = ENVSYS_DRIVE; 1813 sc->sc_arc_sensors[count].arc_sensor.state = ENVSYS_SINVALID; 1814 sc->sc_arc_sensors[count].arc_sensor.value_cur = 1815 ENVSYS_DRIVE_EMPTY; 1816 sc->sc_arc_sensors[count].arc_sensor.flags = 1817 ENVSYS_FMONSTCHANGED; 1818 1819 /* Skip passthrough volumes */ 1820 if (bv.bv_level == BIOC_SVOL_PASSTHRU) 1821 continue; 1822 1823 if (bv.bv_level == BIOC_SVOL_RAID10) 1824 snprintf(sc->sc_arc_sensors[count].arc_sensor.desc, 1825 sizeof(sc->sc_arc_sensors[count].arc_sensor.desc), 1826 "RAID 1+0 volume%d (%s)", i, bv.bv_dev); 1827 else 1828 snprintf(sc->sc_arc_sensors[count].arc_sensor.desc, 1829 sizeof(sc->sc_arc_sensors[count].arc_sensor.desc), 1830 "RAID %d volume%d (%s)", bv.bv_level, i, 1831 bv.bv_dev); 1832 1833 sc->sc_arc_sensors[count].arc_volid = i; 1834 1835 if (sysmon_envsys_sensor_attach(sc->sc_sme, 1836 &sc->sc_arc_sensors[count].arc_sensor)) 1837 goto bad; 1838 1839 count++; 1840 1841 /* Attach disk sensors for this volume */ 1842 for (j = 0; j < bv.bv_nodisk; j++) { 1843 sc->sc_arc_sensors[count].arc_sensor.state = 1844 ENVSYS_SINVALID; 1845 sc->sc_arc_sensors[count].arc_sensor.units = 1846 ENVSYS_DRIVE; 1847 sc->sc_arc_sensors[count].arc_sensor.value_cur = 1848 ENVSYS_DRIVE_EMPTY; 1849 sc->sc_arc_sensors[count].arc_sensor.flags = 1850 ENVSYS_FMONSTCHANGED; 1851 1852 snprintf(sc->sc_arc_sensors[count].arc_sensor.desc, 1853 sizeof(sc->sc_arc_sensors[count].arc_sensor.desc), 1854 "disk%d volume%d (%s)", j, i, bv.bv_dev); 1855 sc->sc_arc_sensors[count].arc_volid = i; 1856 sc->sc_arc_sensors[count].arc_diskid = j + 10; 1857 1858 if (sysmon_envsys_sensor_attach(sc->sc_sme, 1859 &sc->sc_arc_sensors[count].arc_sensor)) 1860 goto bad; 1861 1862 count++; 1863 } 1864 } 1865 1866 /* 1867 * Register our envsys driver with the framework now that the 1868 * sensors were all attached. 1869 */ 1870 sc->sc_sme->sme_name = device_xname(sc->sc_dev); 1871 sc->sc_sme->sme_cookie = sc; 1872 sc->sc_sme->sme_refresh = arc_refresh_sensors; 1873 1874 if (sysmon_envsys_register(sc->sc_sme)) { 1875 aprint_debug("%s: unable to register with sysmon\n", 1876 device_xname(sc->sc_dev)); 1877 goto bad; 1878 } 1879 kthread_exit(0); 1880 1881 bad: 1882 sysmon_envsys_destroy(sc->sc_sme); 1883 kmem_free(sc->sc_arc_sensors, slen); 1884 1885 sc->sc_sme = NULL; 1886 sc->sc_arc_sensors = NULL; 1887 1888 kthread_exit(0); 1889 } 1890 1891 static void 1892 arc_refresh_sensors(struct sysmon_envsys *sme, envsys_data_t *edata) 1893 { 1894 struct arc_softc *sc = sme->sme_cookie; 1895 struct bioc_vol bv; 1896 struct bioc_disk bd; 1897 arc_edata_t *arcdata = (arc_edata_t *)edata; 1898 1899 /* sanity check */ 1900 if (edata->units != ENVSYS_DRIVE) 1901 return; 1902 1903 memset(&bv, 0, sizeof(bv)); 1904 bv.bv_volid = arcdata->arc_volid; 1905 1906 if (arc_bio_vol(sc, &bv)) { 1907 bv.bv_status = BIOC_SVINVALID; 1908 bio_vol_to_envsys(edata, &bv); 1909 return; 1910 } 1911 1912 if (arcdata->arc_diskid) { 1913 /* Current sensor is handling a disk volume member */ 1914 memset(&bd, 0, sizeof(bd)); 1915 bd.bd_volid = arcdata->arc_volid; 1916 bd.bd_diskid = arcdata->arc_diskid - 10; 1917 1918 if (arc_bio_disk_volume(sc, &bd)) 1919 bd.bd_status = BIOC_SDOFFLINE; 1920 bio_disk_to_envsys(edata, &bd); 1921 } else { 1922 /* Current sensor is handling a volume */ 1923 bio_vol_to_envsys(edata, &bv); 1924 } 1925 } 1926 #endif /* NBIO > 0 */ 1927 1928 static uint32_t 1929 arc_read(struct arc_softc *sc, bus_size_t r) 1930 { 1931 uint32_t v; 1932 1933 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, 1934 BUS_SPACE_BARRIER_READ); 1935 v = bus_space_read_4(sc->sc_iot, sc->sc_ioh, r); 1936 1937 DNPRINTF(ARC_D_RW, "%s: arc_read 0x%lx 0x%08x\n", 1938 device_xname(sc->sc_dev), r, v); 1939 1940 return v; 1941 } 1942 1943 static void 1944 arc_read_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len) 1945 { 1946 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len, 1947 BUS_SPACE_BARRIER_READ); 1948 bus_space_read_region_4(sc->sc_iot, sc->sc_ioh, r, 1949 (uint32_t *)buf, len >> 2); 1950 } 1951 1952 static void 1953 arc_write(struct arc_softc *sc, bus_size_t r, uint32_t v) 1954 { 1955 DNPRINTF(ARC_D_RW, "%s: arc_write 0x%lx 0x%08x\n", 1956 device_xname(sc->sc_dev), r, v); 1957 1958 bus_space_write_4(sc->sc_iot, sc->sc_ioh, r, v); 1959 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, 1960 BUS_SPACE_BARRIER_WRITE); 1961 } 1962 1963 #if NBIO > 0 1964 static void 1965 arc_write_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len) 1966 { 1967 bus_space_write_region_4(sc->sc_iot, sc->sc_ioh, r, 1968 (const uint32_t *)buf, len >> 2); 1969 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len, 1970 BUS_SPACE_BARRIER_WRITE); 1971 } 1972 #endif /* NBIO > 0 */ 1973 1974 static int 1975 arc_wait_eq(struct arc_softc *sc, bus_size_t r, uint32_t mask, 1976 uint32_t target) 1977 { 1978 int i; 1979 1980 DNPRINTF(ARC_D_RW, "%s: arc_wait_eq 0x%lx 0x%08x 0x%08x\n", 1981 device_xname(sc->sc_dev), r, mask, target); 1982 1983 for (i = 0; i < 10000; i++) { 1984 if ((arc_read(sc, r) & mask) == target) 1985 return 0; 1986 delay(1000); 1987 } 1988 1989 return 1; 1990 } 1991 1992 #if unused 1993 static int 1994 arc_wait_ne(struct arc_softc *sc, bus_size_t r, uint32_t mask, 1995 uint32_t target) 1996 { 1997 int i; 1998 1999 DNPRINTF(ARC_D_RW, "%s: arc_wait_ne 0x%lx 0x%08x 0x%08x\n", 2000 device_xname(sc->sc_dev), r, mask, target); 2001 2002 for (i = 0; i < 10000; i++) { 2003 if ((arc_read(sc, r) & mask) != target) 2004 return 0; 2005 delay(1000); 2006 } 2007 2008 return 1; 2009 } 2010 #endif 2011 2012 static int 2013 arc_msg0(struct arc_softc *sc, uint32_t m) 2014 { 2015 /* post message */ 2016 arc_write(sc, ARC_REG_INB_MSG0, m); 2017 /* wait for the fw to do it */ 2018 if (arc_wait_eq(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0, 2019 ARC_REG_INTRSTAT_MSG0) != 0) 2020 return 1; 2021 2022 /* ack it */ 2023 arc_write(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0); 2024 2025 return 0; 2026 } 2027 2028 static struct arc_dmamem * 2029 arc_dmamem_alloc(struct arc_softc *sc, size_t size) 2030 { 2031 struct arc_dmamem *adm; 2032 int nsegs; 2033 2034 adm = kmem_zalloc(sizeof(*adm), KM_NOSLEEP); 2035 if (adm == NULL) 2036 return NULL; 2037 2038 adm->adm_size = size; 2039 2040 if (bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 2041 BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW, &adm->adm_map) != 0) 2042 goto admfree; 2043 2044 if (bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &adm->adm_seg, 2045 1, &nsegs, BUS_DMA_NOWAIT) != 0) 2046 goto destroy; 2047 2048 if (bus_dmamem_map(sc->sc_dmat, &adm->adm_seg, nsegs, size, 2049 &adm->adm_kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT) != 0) 2050 goto free; 2051 2052 if (bus_dmamap_load(sc->sc_dmat, adm->adm_map, adm->adm_kva, size, 2053 NULL, BUS_DMA_NOWAIT) != 0) 2054 goto unmap; 2055 2056 memset(adm->adm_kva, 0, size); 2057 2058 return adm; 2059 2060 unmap: 2061 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, size); 2062 free: 2063 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1); 2064 destroy: 2065 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map); 2066 admfree: 2067 kmem_free(adm, sizeof(*adm)); 2068 2069 return NULL; 2070 } 2071 2072 static void 2073 arc_dmamem_free(struct arc_softc *sc, struct arc_dmamem *adm) 2074 { 2075 bus_dmamap_unload(sc->sc_dmat, adm->adm_map); 2076 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, adm->adm_size); 2077 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1); 2078 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map); 2079 kmem_free(adm, sizeof(*adm)); 2080 } 2081 2082 static int 2083 arc_alloc_ccbs(device_t self) 2084 { 2085 struct arc_softc *sc = device_private(self); 2086 struct arc_ccb *ccb; 2087 uint8_t *cmd; 2088 int i; 2089 size_t ccbslen; 2090 2091 TAILQ_INIT(&sc->sc_ccb_free); 2092 2093 ccbslen = sizeof(struct arc_ccb) * sc->sc_req_count; 2094 sc->sc_ccbs = kmem_zalloc(ccbslen, KM_SLEEP); 2095 2096 sc->sc_requests = arc_dmamem_alloc(sc, 2097 ARC_MAX_IOCMDLEN * sc->sc_req_count); 2098 if (sc->sc_requests == NULL) { 2099 aprint_error_dev(self, "unable to allocate ccb dmamem\n"); 2100 goto free_ccbs; 2101 } 2102 cmd = ARC_DMA_KVA(sc->sc_requests); 2103 2104 for (i = 0; i < sc->sc_req_count; i++) { 2105 ccb = &sc->sc_ccbs[i]; 2106 2107 if (bus_dmamap_create(sc->sc_dmat, MAXPHYS, ARC_SGL_MAXLEN, 2108 MAXPHYS, 0, 0, &ccb->ccb_dmamap) != 0) { 2109 aprint_error_dev(self, 2110 "unable to create dmamap for ccb %d\n", i); 2111 goto free_maps; 2112 } 2113 2114 ccb->ccb_sc = sc; 2115 ccb->ccb_id = i; 2116 ccb->ccb_offset = ARC_MAX_IOCMDLEN * i; 2117 2118 ccb->ccb_cmd = (struct arc_io_cmd *)&cmd[ccb->ccb_offset]; 2119 ccb->ccb_cmd_post = (ARC_DMA_DVA(sc->sc_requests) + 2120 ccb->ccb_offset) >> ARC_REG_POST_QUEUE_ADDR_SHIFT; 2121 2122 arc_put_ccb(sc, ccb); 2123 } 2124 2125 return 0; 2126 2127 free_maps: 2128 while ((ccb = arc_get_ccb(sc)) != NULL) 2129 bus_dmamap_destroy(sc->sc_dmat, ccb->ccb_dmamap); 2130 arc_dmamem_free(sc, sc->sc_requests); 2131 2132 free_ccbs: 2133 kmem_free(sc->sc_ccbs, ccbslen); 2134 2135 return 1; 2136 } 2137 2138 static struct arc_ccb * 2139 arc_get_ccb(struct arc_softc *sc) 2140 { 2141 struct arc_ccb *ccb; 2142 2143 ccb = TAILQ_FIRST(&sc->sc_ccb_free); 2144 if (ccb != NULL) 2145 TAILQ_REMOVE(&sc->sc_ccb_free, ccb, ccb_link); 2146 2147 return ccb; 2148 } 2149 2150 static void 2151 arc_put_ccb(struct arc_softc *sc, struct arc_ccb *ccb) 2152 { 2153 ccb->ccb_xs = NULL; 2154 memset(ccb->ccb_cmd, 0, ARC_MAX_IOCMDLEN); 2155 TAILQ_INSERT_TAIL(&sc->sc_ccb_free, ccb, ccb_link); 2156 } 2157
Indexes created Sat Sep 27 22:09:54 GMT 2025