arcmsr.c revision 1.14
1 /* $NetBSD: arcmsr.c,v 1.14 2008/02/29 17:45:04 xtraeme Exp $ */ 2 /* $OpenBSD: arc.c,v 1.68 2007/10/27 03:28:27 dlg Exp $ */ 3 4 /* 5 * Copyright (c) 2007, 2008 Juan Romero Pardines <xtraeme (at) netbsd.org> 6 * Copyright (c) 2006 David Gwynne <dlg (at) openbsd.org> 7 * 8 * Permission to use, copy, modify, and distribute this software for any 9 * purpose with or without fee is hereby granted, provided that the above 10 * copyright notice and this permission notice appear in all copies. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19 */ 20 21 #include "bio.h" 22 23 #include <sys/cdefs.h> 24 __KERNEL_RCSID(0, "$NetBSD: arcmsr.c,v 1.14 2008/02/29 17:45:04 xtraeme Exp $"); 25 26 #include <sys/param.h> 27 #include <sys/buf.h> 28 #include <sys/kernel.h> 29 #include <sys/malloc.h> 30 #include <sys/device.h> 31 #include <sys/kmem.h> 32 #include <sys/kthread.h> 33 #include <sys/mutex.h> 34 #include <sys/condvar.h> 35 #include <sys/rwlock.h> 36 37 #if NBIO > 0 38 #include <sys/ioctl.h> 39 #include <dev/biovar.h> 40 #endif 41 42 #include <dev/pci/pcireg.h> 43 #include <dev/pci/pcivar.h> 44 #include <dev/pci/pcidevs.h> 45 46 #include <dev/scsipi/scsipi_all.h> 47 #include <dev/scsipi/scsi_all.h> 48 #include <dev/scsipi/scsiconf.h> 49 50 #include <dev/sysmon/sysmonvar.h> 51 52 #include <sys/bus.h> 53 54 #include <uvm/uvm_extern.h> /* for PAGE_SIZE */ 55 56 #include <dev/pci/arcmsrvar.h> 57 58 /* #define ARC_DEBUG */ 59 #ifdef ARC_DEBUG 60 #define ARC_D_INIT (1<<0) 61 #define ARC_D_RW (1<<1) 62 #define ARC_D_DB (1<<2) 63 64 int arcdebug = 0; 65 66 #define DPRINTF(p...) do { if (arcdebug) printf(p); } while (0) 67 #define DNPRINTF(n, p...) do { if ((n) & arcdebug) printf(p); } while (0) 68 69 #else 70 #define DPRINTF(p...) /* p */ 71 #define DNPRINTF(n, p...) /* n, p */ 72 #endif 73 74 /* 75 * the fw header must always equal this. 76 */ 77 static struct arc_fw_hdr arc_fw_hdr = { 0x5e, 0x01, 0x61 }; 78 79 /* 80 * autoconf(9) glue. 81 */ 82 static int arc_match(device_t, struct cfdata *, void *); 83 static void arc_attach(device_t, device_t, void *); 84 static int arc_detach(device_t, int); 85 static bool arc_shutdown(device_t, int); 86 static int arc_intr(void *); 87 static void arc_minphys(struct buf *); 88 89 CFATTACH_DECL(arcmsr, sizeof(struct arc_softc), 90 arc_match, arc_attach, arc_detach, NULL); 91 92 /* 93 * bio(4) and sysmon_envsys(9) glue. 94 */ 95 #if NBIO > 0 96 static int arc_bioctl(struct device *, u_long, void *); 97 static int arc_bio_inq(struct arc_softc *, struct bioc_inq *); 98 static int arc_bio_vol(struct arc_softc *, struct bioc_vol *); 99 static int arc_bio_disk_volume(struct arc_softc *, struct bioc_disk *); 100 static int arc_bio_disk_novol(struct arc_softc *, struct bioc_disk *); 101 static void arc_bio_disk_filldata(struct arc_softc *, struct bioc_disk *, 102 struct arc_fw_diskinfo *, int); 103 static int arc_bio_alarm(struct arc_softc *, struct bioc_alarm *); 104 static int arc_bio_alarm_state(struct arc_softc *, struct bioc_alarm *); 105 static int arc_bio_getvol(struct arc_softc *, int, 106 struct arc_fw_volinfo *); 107 static int arc_bio_setstate(struct arc_softc *, struct bioc_setstate *); 108 static int arc_bio_volops(struct arc_softc *, struct bioc_volops *); 109 static void arc_create_sensors(void *); 110 static void arc_refresh_sensors(struct sysmon_envsys *, envsys_data_t *); 111 static int arc_fw_parse_status_code(struct arc_softc *, uint8_t *); 112 #endif 113 114 static int 115 arc_match(device_t parent, struct cfdata *match, void *aux) 116 { 117 struct pci_attach_args *pa = aux; 118 119 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ARECA) { 120 switch (PCI_PRODUCT(pa->pa_id)) { 121 case PCI_PRODUCT_ARECA_ARC1110: 122 case PCI_PRODUCT_ARECA_ARC1120: 123 case PCI_PRODUCT_ARECA_ARC1130: 124 case PCI_PRODUCT_ARECA_ARC1160: 125 case PCI_PRODUCT_ARECA_ARC1170: 126 case PCI_PRODUCT_ARECA_ARC1200: 127 case PCI_PRODUCT_ARECA_ARC1202: 128 case PCI_PRODUCT_ARECA_ARC1210: 129 case PCI_PRODUCT_ARECA_ARC1220: 130 case PCI_PRODUCT_ARECA_ARC1230: 131 case PCI_PRODUCT_ARECA_ARC1260: 132 case PCI_PRODUCT_ARECA_ARC1270: 133 case PCI_PRODUCT_ARECA_ARC1280: 134 case PCI_PRODUCT_ARECA_ARC1380: 135 case PCI_PRODUCT_ARECA_ARC1381: 136 case PCI_PRODUCT_ARECA_ARC1680: 137 case PCI_PRODUCT_ARECA_ARC1681: 138 return 1; 139 default: 140 break; 141 } 142 } 143 144 return 0; 145 } 146 147 static void 148 arc_attach(device_t parent, device_t self, void *aux) 149 { 150 struct arc_softc *sc = device_private(self); 151 struct pci_attach_args *pa = aux; 152 struct scsipi_adapter *adapt = &sc->sc_adapter; 153 struct scsipi_channel *chan = &sc->sc_chan; 154 155 sc->sc_talking = 0; 156 rw_init(&sc->sc_rwlock); 157 mutex_init(&sc->sc_mutex, MUTEX_DEFAULT, IPL_BIO); 158 cv_init(&sc->sc_condvar, "arcdb"); 159 160 if (arc_map_pci_resources(sc, pa) != 0) { 161 /* error message printed by arc_map_pci_resources */ 162 return; 163 } 164 165 if (arc_query_firmware(sc) != 0) { 166 /* error message printed by arc_query_firmware */ 167 goto unmap_pci; 168 } 169 170 if (arc_alloc_ccbs(sc) != 0) { 171 /* error message printed by arc_alloc_ccbs */ 172 goto unmap_pci; 173 } 174 175 if (!pmf_device_register1(self, NULL, NULL, arc_shutdown)) 176 panic("%s: couldn't establish shutdown handler\n", 177 device_xname(self)); 178 179 memset(adapt, 0, sizeof(*adapt)); 180 adapt->adapt_dev = self; 181 adapt->adapt_nchannels = 1; 182 adapt->adapt_openings = sc->sc_req_count / ARC_MAX_TARGET; 183 adapt->adapt_max_periph = adapt->adapt_openings; 184 adapt->adapt_minphys = arc_minphys; 185 adapt->adapt_request = arc_scsi_cmd; 186 187 memset(chan, 0, sizeof(*chan)); 188 chan->chan_adapter = adapt; 189 chan->chan_bustype = &scsi_bustype; 190 chan->chan_nluns = ARC_MAX_LUN; 191 chan->chan_ntargets = ARC_MAX_TARGET; 192 chan->chan_id = ARC_MAX_TARGET; 193 chan->chan_channel = 0; 194 chan->chan_flags = SCSIPI_CHAN_NOSETTLE; 195 196 /* 197 * Save the device_t returned, because we could to attach 198 * devices via the management interface. 199 */ 200 sc->sc_scsibus_dv = config_found(self, &sc->sc_chan, scsiprint); 201 202 /* enable interrupts */ 203 arc_write(sc, ARC_REG_INTRMASK, 204 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRSTAT_DOORBELL)); 205 206 #if NBIO > 0 207 /* 208 * Register the driver to bio(4) and setup the sensors. 209 */ 210 if (bio_register(self, arc_bioctl) != 0) 211 panic("%s: bioctl registration failed\n", device_xname(self)); 212 213 /* 214 * you need to talk to the firmware to get volume info. our firmware 215 * interface relies on being able to sleep, so we need to use a thread 216 * to do the work. 217 */ 218 if (kthread_create(PRI_NONE, KTHREAD_MPSAFE, NULL, 219 arc_create_sensors, sc, &sc->sc_lwp, "arcmsr_sensors") != 0) 220 panic("%s: unable to create a kernel thread for sensors\n", 221 device_xname(self)); 222 #endif 223 224 return; 225 226 unmap_pci: 227 arc_unmap_pci_resources(sc); 228 } 229 230 static int 231 arc_detach(device_t self, int flags) 232 { 233 struct arc_softc *sc = device_private(self); 234 235 if (arc_msg0(sc, ARC_REG_INB_MSG0_STOP_BGRB) != 0) 236 aprint_error("%s: timeout waiting to stop bg rebuild\n", 237 device_xname(&sc->sc_dev)); 238 239 if (arc_msg0(sc, ARC_REG_INB_MSG0_FLUSH_CACHE) != 0) 240 aprint_error("%s: timeout waiting to flush cache\n", 241 device_xname(&sc->sc_dev)); 242 243 return 0; 244 } 245 246 static bool 247 arc_shutdown(device_t self, int how) 248 { 249 struct arc_softc *sc = device_private(self); 250 251 if (arc_msg0(sc, ARC_REG_INB_MSG0_STOP_BGRB) != 0) 252 aprint_error("%s: timeout waiting to stop bg rebuild\n", 253 device_xname(&sc->sc_dev)); 254 255 if (arc_msg0(sc, ARC_REG_INB_MSG0_FLUSH_CACHE) != 0) 256 aprint_error("%s: timeout waiting to flush cache\n", 257 device_xname(&sc->sc_dev)); 258 259 return true; 260 } 261 262 static void 263 arc_minphys(struct buf *bp) 264 { 265 if (bp->b_bcount > MAXPHYS) 266 bp->b_bcount = MAXPHYS; 267 minphys(bp); 268 } 269 270 static int 271 arc_intr(void *arg) 272 { 273 struct arc_softc *sc = arg; 274 struct arc_ccb *ccb = NULL; 275 char *kva = ARC_DMA_KVA(sc->sc_requests); 276 struct arc_io_cmd *cmd; 277 uint32_t reg, intrstat; 278 279 mutex_spin_enter(&sc->sc_mutex); 280 intrstat = arc_read(sc, ARC_REG_INTRSTAT); 281 if (intrstat == 0x0) { 282 mutex_spin_exit(&sc->sc_mutex); 283 return 0; 284 } 285 286 intrstat &= ARC_REG_INTRSTAT_POSTQUEUE | ARC_REG_INTRSTAT_DOORBELL; 287 arc_write(sc, ARC_REG_INTRSTAT, intrstat); 288 289 if (intrstat & ARC_REG_INTRSTAT_DOORBELL) { 290 if (sc->sc_talking) { 291 arc_write(sc, ARC_REG_INTRMASK, 292 ~ARC_REG_INTRMASK_POSTQUEUE); 293 cv_broadcast(&sc->sc_condvar); 294 } else { 295 /* otherwise drop it */ 296 reg = arc_read(sc, ARC_REG_OUTB_DOORBELL); 297 arc_write(sc, ARC_REG_OUTB_DOORBELL, reg); 298 if (reg & ARC_REG_OUTB_DOORBELL_WRITE_OK) 299 arc_write(sc, ARC_REG_INB_DOORBELL, 300 ARC_REG_INB_DOORBELL_READ_OK); 301 } 302 } 303 mutex_spin_exit(&sc->sc_mutex); 304 305 while ((reg = arc_pop(sc)) != 0xffffffff) { 306 cmd = (struct arc_io_cmd *)(kva + 307 ((reg << ARC_REG_REPLY_QUEUE_ADDR_SHIFT) - 308 (uint32_t)ARC_DMA_DVA(sc->sc_requests))); 309 ccb = &sc->sc_ccbs[htole32(cmd->cmd.context)]; 310 311 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), 312 ccb->ccb_offset, ARC_MAX_IOCMDLEN, 313 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 314 315 arc_scsi_cmd_done(sc, ccb, reg); 316 } 317 318 319 return 1; 320 } 321 322 void 323 arc_scsi_cmd(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg) 324 { 325 struct scsipi_periph *periph; 326 struct scsipi_xfer *xs; 327 struct scsipi_adapter *adapt = chan->chan_adapter; 328 struct arc_softc *sc = device_private(adapt->adapt_dev); 329 struct arc_ccb *ccb; 330 struct arc_msg_scsicmd *cmd; 331 uint32_t reg; 332 uint8_t target; 333 334 switch (req) { 335 case ADAPTER_REQ_GROW_RESOURCES: 336 /* Not supported. */ 337 return; 338 case ADAPTER_REQ_SET_XFER_MODE: 339 /* Not supported. */ 340 return; 341 case ADAPTER_REQ_RUN_XFER: 342 break; 343 } 344 345 mutex_spin_enter(&sc->sc_mutex); 346 347 xs = arg; 348 periph = xs->xs_periph; 349 target = periph->periph_target; 350 351 if (xs->cmdlen > ARC_MSG_CDBLEN) { 352 memset(&xs->sense, 0, sizeof(xs->sense)); 353 xs->sense.scsi_sense.response_code = SSD_RCODE_VALID | 0x70; 354 xs->sense.scsi_sense.flags = SKEY_ILLEGAL_REQUEST; 355 xs->sense.scsi_sense.asc = 0x20; 356 xs->error = XS_SENSE; 357 xs->status = SCSI_CHECK; 358 mutex_spin_exit(&sc->sc_mutex); 359 scsipi_done(xs); 360 return; 361 } 362 363 ccb = arc_get_ccb(sc); 364 if (ccb == NULL) { 365 xs->error = XS_RESOURCE_SHORTAGE; 366 mutex_spin_exit(&sc->sc_mutex); 367 scsipi_done(xs); 368 return; 369 } 370 371 ccb->ccb_xs = xs; 372 373 if (arc_load_xs(ccb) != 0) { 374 xs->error = XS_DRIVER_STUFFUP; 375 arc_put_ccb(sc, ccb); 376 mutex_spin_exit(&sc->sc_mutex); 377 scsipi_done(xs); 378 return; 379 } 380 381 cmd = &ccb->ccb_cmd->cmd; 382 reg = ccb->ccb_cmd_post; 383 384 /* bus is always 0 */ 385 cmd->target = target; 386 cmd->lun = periph->periph_lun; 387 cmd->function = 1; /* XXX magic number */ 388 389 cmd->cdb_len = xs->cmdlen; 390 cmd->sgl_len = ccb->ccb_dmamap->dm_nsegs; 391 if (xs->xs_control & XS_CTL_DATA_OUT) 392 cmd->flags = ARC_MSG_SCSICMD_FLAG_WRITE; 393 if (ccb->ccb_dmamap->dm_nsegs > ARC_SGL_256LEN) { 394 cmd->flags |= ARC_MSG_SCSICMD_FLAG_SGL_BSIZE_512; 395 reg |= ARC_REG_POST_QUEUE_BIGFRAME; 396 } 397 398 cmd->context = htole32(ccb->ccb_id); 399 cmd->data_len = htole32(xs->datalen); 400 401 memcpy(cmd->cdb, xs->cmd, xs->cmdlen); 402 403 /* we've built the command, let's put it on the hw */ 404 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), 405 ccb->ccb_offset, ARC_MAX_IOCMDLEN, 406 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 407 408 arc_push(sc, reg); 409 if (xs->xs_control & XS_CTL_POLL) { 410 if (arc_complete(sc, ccb, xs->timeout) != 0) { 411 xs->error = XS_DRIVER_STUFFUP; 412 mutex_spin_exit(&sc->sc_mutex); 413 scsipi_done(xs); 414 return; 415 } 416 } 417 418 mutex_spin_exit(&sc->sc_mutex); 419 } 420 421 int 422 arc_load_xs(struct arc_ccb *ccb) 423 { 424 struct arc_softc *sc = ccb->ccb_sc; 425 struct scsipi_xfer *xs = ccb->ccb_xs; 426 bus_dmamap_t dmap = ccb->ccb_dmamap; 427 struct arc_sge *sgl = ccb->ccb_cmd->sgl, *sge; 428 uint64_t addr; 429 int i, error; 430 431 if (xs->datalen == 0) 432 return 0; 433 434 error = bus_dmamap_load(sc->sc_dmat, dmap, 435 xs->data, xs->datalen, NULL, 436 (xs->xs_control & XS_CTL_NOSLEEP) ? 437 BUS_DMA_NOWAIT : BUS_DMA_WAITOK); 438 if (error != 0) { 439 aprint_error("%s: error %d loading dmamap\n", 440 device_xname(&sc->sc_dev), error); 441 return 1; 442 } 443 444 for (i = 0; i < dmap->dm_nsegs; i++) { 445 sge = &sgl[i]; 446 447 sge->sg_hdr = htole32(ARC_SGE_64BIT | dmap->dm_segs[i].ds_len); 448 addr = dmap->dm_segs[i].ds_addr; 449 sge->sg_hi_addr = htole32((uint32_t)(addr >> 32)); 450 sge->sg_lo_addr = htole32((uint32_t)addr); 451 } 452 453 bus_dmamap_sync(sc->sc_dmat, dmap, 0, dmap->dm_mapsize, 454 (xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMASYNC_PREREAD : 455 BUS_DMASYNC_PREWRITE); 456 457 return 0; 458 } 459 460 void 461 arc_scsi_cmd_done(struct arc_softc *sc, struct arc_ccb *ccb, uint32_t reg) 462 { 463 struct scsipi_xfer *xs = ccb->ccb_xs; 464 struct arc_msg_scsicmd *cmd; 465 466 if (xs->datalen != 0) { 467 bus_dmamap_sync(sc->sc_dmat, ccb->ccb_dmamap, 0, 468 ccb->ccb_dmamap->dm_mapsize, 469 (xs->xs_control & XS_CTL_DATA_IN) ? 470 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 471 bus_dmamap_unload(sc->sc_dmat, ccb->ccb_dmamap); 472 } 473 474 /* timeout_del */ 475 xs->status |= XS_STS_DONE; 476 477 if (reg & ARC_REG_REPLY_QUEUE_ERR) { 478 cmd = &ccb->ccb_cmd->cmd; 479 480 switch (cmd->status) { 481 case ARC_MSG_STATUS_SELTIMEOUT: 482 case ARC_MSG_STATUS_ABORTED: 483 case ARC_MSG_STATUS_INIT_FAIL: 484 xs->status = SCSI_OK; 485 xs->error = XS_SELTIMEOUT; 486 break; 487 488 case SCSI_CHECK: 489 memset(&xs->sense, 0, sizeof(xs->sense)); 490 memcpy(&xs->sense, cmd->sense_data, 491 min(ARC_MSG_SENSELEN, sizeof(xs->sense))); 492 xs->sense.scsi_sense.response_code = 493 SSD_RCODE_VALID | 0x70; 494 xs->status = SCSI_CHECK; 495 xs->error = XS_SENSE; 496 xs->resid = 0; 497 break; 498 499 default: 500 /* unknown device status */ 501 xs->error = XS_BUSY; /* try again later? */ 502 xs->status = SCSI_BUSY; 503 break; 504 } 505 } else { 506 xs->status = SCSI_OK; 507 xs->error = XS_NOERROR; 508 xs->resid = 0; 509 } 510 511 arc_put_ccb(sc, ccb); 512 scsipi_done(xs); 513 } 514 515 int 516 arc_complete(struct arc_softc *sc, struct arc_ccb *nccb, int timeout) 517 { 518 struct arc_ccb *ccb = NULL; 519 char *kva = ARC_DMA_KVA(sc->sc_requests); 520 struct arc_io_cmd *cmd; 521 uint32_t reg; 522 523 do { 524 reg = arc_pop(sc); 525 if (reg == 0xffffffff) { 526 if (timeout-- == 0) 527 return 1; 528 529 delay(1000); 530 continue; 531 } 532 533 cmd = (struct arc_io_cmd *)(kva + 534 ((reg << ARC_REG_REPLY_QUEUE_ADDR_SHIFT) - 535 ARC_DMA_DVA(sc->sc_requests))); 536 ccb = &sc->sc_ccbs[htole32(cmd->cmd.context)]; 537 538 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), 539 ccb->ccb_offset, ARC_MAX_IOCMDLEN, 540 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 541 542 arc_scsi_cmd_done(sc, ccb, reg); 543 } while (nccb != ccb); 544 545 return 0; 546 } 547 548 int 549 arc_map_pci_resources(struct arc_softc *sc, struct pci_attach_args *pa) 550 { 551 pcireg_t memtype; 552 pci_intr_handle_t ih; 553 554 sc->sc_pc = pa->pa_pc; 555 sc->sc_tag = pa->pa_tag; 556 sc->sc_dmat = pa->pa_dmat; 557 558 memtype = pci_mapreg_type(sc->sc_pc, sc->sc_tag, ARC_PCI_BAR); 559 if (pci_mapreg_map(pa, ARC_PCI_BAR, memtype, 0, &sc->sc_iot, 560 &sc->sc_ioh, NULL, &sc->sc_ios) != 0) { 561 aprint_error(": unable to map system interface register\n"); 562 return 1; 563 } 564 565 if (pci_intr_map(pa, &ih) != 0) { 566 aprint_error(": unable to map interrupt\n"); 567 goto unmap; 568 } 569 570 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, 571 arc_intr, sc); 572 if (sc->sc_ih == NULL) { 573 aprint_error(": unable to map interrupt [2]\n"); 574 goto unmap; 575 } 576 577 aprint_normal("\n"); 578 aprint_normal("%s: interrupting at %s\n", 579 device_xname(&sc->sc_dev), pci_intr_string(pa->pa_pc, ih)); 580 581 return 0; 582 583 unmap: 584 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 585 sc->sc_ios = 0; 586 return 1; 587 } 588 589 void 590 arc_unmap_pci_resources(struct arc_softc *sc) 591 { 592 pci_intr_disestablish(sc->sc_pc, sc->sc_ih); 593 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); 594 sc->sc_ios = 0; 595 } 596 597 int 598 arc_query_firmware(struct arc_softc *sc) 599 { 600 struct arc_msg_firmware_info fwinfo; 601 char string[81]; /* sizeof(vendor)*2+1 */ 602 603 if (arc_wait_eq(sc, ARC_REG_OUTB_ADDR1, ARC_REG_OUTB_ADDR1_FIRMWARE_OK, 604 ARC_REG_OUTB_ADDR1_FIRMWARE_OK) != 0) { 605 aprint_debug("%s: timeout waiting for firmware ok\n", 606 device_xname(&sc->sc_dev)); 607 return 1; 608 } 609 610 if (arc_msg0(sc, ARC_REG_INB_MSG0_GET_CONFIG) != 0) { 611 aprint_debug("%s: timeout waiting for get config\n", 612 device_xname(&sc->sc_dev)); 613 return 1; 614 } 615 616 if (arc_msg0(sc, ARC_REG_INB_MSG0_START_BGRB) != 0) { 617 aprint_debug("%s: timeout waiting to start bg rebuild\n", 618 device_xname(&sc->sc_dev)); 619 return 1; 620 } 621 622 arc_read_region(sc, ARC_REG_MSGBUF, &fwinfo, sizeof(fwinfo)); 623 624 DNPRINTF(ARC_D_INIT, "%s: signature: 0x%08x\n", 625 device_xname(&sc->sc_dev), htole32(fwinfo.signature)); 626 627 if (htole32(fwinfo.signature) != ARC_FWINFO_SIGNATURE_GET_CONFIG) { 628 aprint_error("%s: invalid firmware info from iop\n", 629 device_xname(&sc->sc_dev)); 630 return 1; 631 } 632 633 DNPRINTF(ARC_D_INIT, "%s: request_len: %d\n", 634 device_xname(&sc->sc_dev), 635 htole32(fwinfo.request_len)); 636 DNPRINTF(ARC_D_INIT, "%s: queue_len: %d\n", 637 device_xname(&sc->sc_dev), 638 htole32(fwinfo.queue_len)); 639 DNPRINTF(ARC_D_INIT, "%s: sdram_size: %d\n", 640 device_xname(&sc->sc_dev), 641 htole32(fwinfo.sdram_size)); 642 DNPRINTF(ARC_D_INIT, "%s: sata_ports: %d\n", 643 device_xname(&sc->sc_dev), 644 htole32(fwinfo.sata_ports)); 645 646 scsipi_strvis(string, 81, fwinfo.vendor, sizeof(fwinfo.vendor)); 647 DNPRINTF(ARC_D_INIT, "%s: vendor: \"%s\"\n", 648 device_xname(&sc->sc_dev), string); 649 650 scsipi_strvis(string, 17, fwinfo.model, sizeof(fwinfo.model)); 651 aprint_normal("%s: Areca %s Host Adapter RAID controller\n", 652 device_xname(&sc->sc_dev), string); 653 654 scsipi_strvis(string, 33, fwinfo.fw_version, sizeof(fwinfo.fw_version)); 655 DNPRINTF(ARC_D_INIT, "%s: version: \"%s\"\n", 656 device_xname(&sc->sc_dev), string); 657 658 aprint_normal("%s: %d ports, %dMB SDRAM, firmware <%s>\n", 659 device_xname(&sc->sc_dev), htole32(fwinfo.sata_ports), 660 htole32(fwinfo.sdram_size), string); 661 662 if (htole32(fwinfo.request_len) != ARC_MAX_IOCMDLEN) { 663 aprint_error("%s: unexpected request frame size (%d != %d)\n", 664 device_xname(&sc->sc_dev), 665 htole32(fwinfo.request_len), ARC_MAX_IOCMDLEN); 666 return 1; 667 } 668 669 sc->sc_req_count = htole32(fwinfo.queue_len); 670 671 return 0; 672 } 673 674 #if NBIO > 0 675 static int 676 arc_bioctl(struct device *self, u_long cmd, void *addr) 677 { 678 struct arc_softc *sc = device_private(self); 679 int error = 0; 680 681 switch (cmd) { 682 case BIOCINQ: 683 error = arc_bio_inq(sc, (struct bioc_inq *)addr); 684 break; 685 686 case BIOCVOL: 687 error = arc_bio_vol(sc, (struct bioc_vol *)addr); 688 break; 689 690 case BIOCDISK: 691 error = arc_bio_disk_volume(sc, (struct bioc_disk *)addr); 692 break; 693 694 case BIOCDISK_NOVOL: 695 error = arc_bio_disk_novol(sc, (struct bioc_disk *)addr); 696 break; 697 698 case BIOCALARM: 699 error = arc_bio_alarm(sc, (struct bioc_alarm *)addr); 700 break; 701 702 case BIOCSETSTATE: 703 error = arc_bio_setstate(sc, (struct bioc_setstate *)addr); 704 break; 705 706 case BIOCVOLOPS: 707 error = arc_bio_volops(sc, (struct bioc_volops *)addr); 708 break; 709 710 default: 711 error = ENOTTY; 712 break; 713 } 714 715 return error; 716 } 717 718 static int 719 arc_fw_parse_status_code(struct arc_softc *sc, uint8_t *reply) 720 { 721 switch (*reply) { 722 case ARC_FW_CMD_RAIDINVAL: 723 printf("%s: firmware error (invalid raid set)\n", 724 device_xname(&sc->sc_dev)); 725 return EINVAL; 726 case ARC_FW_CMD_VOLINVAL: 727 printf("%s: firmware error (invalid volume set)\n", 728 device_xname(&sc->sc_dev)); 729 return EINVAL; 730 case ARC_FW_CMD_NORAID: 731 printf("%s: firmware error (unexistent raid set)\n", 732 device_xname(&sc->sc_dev)); 733 return ENODEV; 734 case ARC_FW_CMD_NOVOLUME: 735 printf("%s: firmware error (unexistent volume set)\n", 736 device_xname(&sc->sc_dev)); 737 return ENODEV; 738 case ARC_FW_CMD_NOPHYSDRV: 739 printf("%s: firmware error (unexistent physical drive)\n", 740 device_xname(&sc->sc_dev)); 741 return ENODEV; 742 case ARC_FW_CMD_PARAM_ERR: 743 printf("%s: firmware error (parameter error)\n", 744 device_xname(&sc->sc_dev)); 745 return EINVAL; 746 case ARC_FW_CMD_UNSUPPORTED: 747 printf("%s: firmware error (unsupported command)\n", 748 device_xname(&sc->sc_dev)); 749 return EOPNOTSUPP; 750 case ARC_FW_CMD_DISKCFG_CHGD: 751 printf("%s: firmware error (disk configuration changed)\n", 752 device_xname(&sc->sc_dev)); 753 return EINVAL; 754 case ARC_FW_CMD_PASS_INVAL: 755 printf("%s: firmware error (invalid password)\n", 756 device_xname(&sc->sc_dev)); 757 return EINVAL; 758 case ARC_FW_CMD_NODISKSPACE: 759 printf("%s: firmware error (no disk space available)\n", 760 device_xname(&sc->sc_dev)); 761 return EOPNOTSUPP; 762 case ARC_FW_CMD_CHECKSUM_ERR: 763 printf("%s: firmware error (checksum error)\n", 764 device_xname(&sc->sc_dev)); 765 return EINVAL; 766 case ARC_FW_CMD_PASS_REQD: 767 printf("%s: firmware error (password required)\n", 768 device_xname(&sc->sc_dev)); 769 return EPERM; 770 case ARC_FW_CMD_OK: 771 default: 772 return 0; 773 } 774 } 775 776 static int 777 arc_bio_alarm(struct arc_softc *sc, struct bioc_alarm *ba) 778 { 779 uint8_t request[2], reply[1]; 780 size_t len; 781 int error = 0; 782 783 switch (ba->ba_opcode) { 784 case BIOC_SAENABLE: 785 case BIOC_SADISABLE: 786 request[0] = ARC_FW_SET_ALARM; 787 request[1] = (ba->ba_opcode == BIOC_SAENABLE) ? 788 ARC_FW_SET_ALARM_ENABLE : ARC_FW_SET_ALARM_DISABLE; 789 len = sizeof(request); 790 791 break; 792 793 case BIOC_SASILENCE: 794 request[0] = ARC_FW_MUTE_ALARM; 795 len = 1; 796 797 break; 798 799 case BIOC_GASTATUS: 800 /* system info is too big/ugly to deal with here */ 801 return arc_bio_alarm_state(sc, ba); 802 803 default: 804 return EOPNOTSUPP; 805 } 806 807 error = arc_msgbuf(sc, request, len, reply, sizeof(reply)); 808 if (error != 0) 809 return error; 810 811 return arc_fw_parse_status_code(sc, &reply[0]); 812 } 813 814 static int 815 arc_bio_alarm_state(struct arc_softc *sc, struct bioc_alarm *ba) 816 { 817 struct arc_fw_sysinfo *sysinfo; 818 uint8_t request; 819 int error = 0; 820 821 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP); 822 823 request = ARC_FW_SYSINFO; 824 error = arc_msgbuf(sc, &request, sizeof(request), 825 sysinfo, sizeof(struct arc_fw_sysinfo)); 826 827 if (error != 0) 828 goto out; 829 830 ba->ba_status = sysinfo->alarm; 831 832 out: 833 kmem_free(sysinfo, sizeof(*sysinfo)); 834 return error; 835 } 836 837 static int 838 arc_bio_volops(struct arc_softc *sc, struct bioc_volops *bc) 839 { 840 /* to create a raid set */ 841 struct req_craidset { 842 uint8_t cmdcode; 843 uint32_t devmask; 844 uint8_t raidset_name[16]; 845 } __packed; 846 847 /* to create a volume set */ 848 struct req_cvolset { 849 uint8_t cmdcode; 850 uint8_t raidset; 851 uint8_t volset_name[16]; 852 uint64_t capacity; 853 uint8_t raidlevel; 854 uint8_t stripe; 855 uint8_t scsi_chan; 856 uint8_t scsi_target; 857 uint8_t scsi_lun; 858 uint8_t tagqueue; 859 uint8_t cache; 860 uint8_t speed; 861 uint8_t quick_init; 862 } __packed; 863 864 struct scsibus_softc *scsibus_sc = NULL; 865 struct req_craidset req_craidset; 866 struct req_cvolset req_cvolset; 867 uint8_t request[2]; 868 uint8_t reply[1]; 869 int error = 0; 870 871 switch (bc->bc_opcode) { 872 case BIOC_VCREATE_VOLUME: 873 { 874 /* 875 * Zero out the structs so that we use some defaults 876 * in raid and volume sets. 877 */ 878 memset(&req_craidset, 0, sizeof(req_craidset)); 879 memset(&req_cvolset, 0, sizeof(req_cvolset)); 880 881 /* 882 * Firstly we have to create the raid set and 883 * use the default name for all them. 884 */ 885 req_craidset.cmdcode = ARC_FW_CREATE_RAIDSET; 886 req_craidset.devmask = bc->bc_devmask; 887 error = arc_msgbuf(sc, &req_craidset, sizeof(req_craidset), 888 reply, sizeof(reply)); 889 if (error != 0) 890 return error; 891 892 error = arc_fw_parse_status_code(sc, &reply[0]); 893 if (error) { 894 printf("%s: create raidset%d failed\n", 895 device_xname(&sc->sc_dev), bc->bc_volid); 896 return error; 897 } 898 899 /* 900 * At this point the raid set was created, so it's 901 * time to create the volume set. 902 */ 903 req_cvolset.cmdcode = ARC_FW_CREATE_VOLUME; 904 req_cvolset.raidset = bc->bc_volid; 905 req_cvolset.capacity = bc->bc_size * ARC_BLOCKSIZE; 906 907 /* 908 * Set the RAID level. 909 */ 910 switch (bc->bc_level) { 911 case 0: 912 case 1: 913 req_cvolset.raidlevel = bc->bc_level; 914 break; 915 case 3: 916 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_3; 917 break; 918 case 5: 919 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_5; 920 break; 921 case 6: 922 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_6; 923 break; 924 default: 925 return EOPNOTSUPP; 926 } 927 928 /* 929 * Set the stripe size. 930 */ 931 switch (bc->bc_stripe) { 932 case 4: 933 req_cvolset.stripe = 0; 934 break; 935 case 8: 936 req_cvolset.stripe = 1; 937 break; 938 case 16: 939 req_cvolset.stripe = 2; 940 break; 941 case 32: 942 req_cvolset.stripe = 3; 943 break; 944 case 64: 945 req_cvolset.stripe = 4; 946 break; 947 case 128: 948 req_cvolset.stripe = 5; 949 break; 950 default: 951 req_cvolset.stripe = 4; /* by default 64K */ 952 break; 953 } 954 955 req_cvolset.scsi_chan = bc->bc_channel; 956 req_cvolset.scsi_target = bc->bc_target; 957 req_cvolset.scsi_lun = bc->bc_lun; 958 req_cvolset.tagqueue = 1; /* always enabled */ 959 req_cvolset.cache = 1; /* always enabled */ 960 req_cvolset.speed = 4; /* always max speed */ 961 962 error = arc_msgbuf(sc, &req_cvolset, sizeof(req_cvolset), 963 reply, sizeof(reply)); 964 if (error != 0) 965 return error; 966 967 error = arc_fw_parse_status_code(sc, &reply[0]); 968 if (error) { 969 printf("%s: create volumeset%d failed\n", 970 device_xname(&sc->sc_dev), bc->bc_volid); 971 return error; 972 } 973 974 /* 975 * Do a rescan on the bus to attach the device associated 976 * with the new volume. 977 */ 978 scsibus_sc = device_private(sc->sc_scsibus_dv); 979 (void)scsi_probe_bus(scsibus_sc, bc->bc_target, bc->bc_lun); 980 981 break; 982 } 983 case BIOC_VREMOVE_VOLUME: 984 { 985 /* 986 * Remove the volume set specified in bc_volid. 987 */ 988 request[0] = ARC_FW_DELETE_VOLUME; 989 request[1] = bc->bc_volid; 990 error = arc_msgbuf(sc, request, sizeof(request), 991 reply, sizeof(reply)); 992 if (error != 0) 993 return error; 994 995 error = arc_fw_parse_status_code(sc, &reply[0]); 996 if (error) { 997 printf("%s: delete volumeset%d failed\n", 998 device_xname(&sc->sc_dev), bc->bc_volid); 999 return error; 1000 } 1001 1002 /* 1003 * Detach the sd(4) device associated with the volume, 1004 * but if there's an error don't make it a priority. 1005 */ 1006 error = scsipi_target_detach(&sc->sc_chan, bc->bc_target, 1007 bc->bc_lun, 0); 1008 if (error) 1009 printf("%s: couldn't detach sd device for volume %d " 1010 "at %u:%u.%u (error=%d)\n", 1011 device_xname(&sc->sc_dev), bc->bc_volid, 1012 bc->bc_channel, bc->bc_target, bc->bc_lun, error); 1013 1014 /* 1015 * and remove the raid set specified in bc_volid, 1016 * we only care about volumes. 1017 */ 1018 request[0] = ARC_FW_DELETE_RAIDSET; 1019 request[1] = bc->bc_volid; 1020 error = arc_msgbuf(sc, request, sizeof(request), 1021 reply, sizeof(reply)); 1022 if (error != 0) 1023 return error; 1024 1025 error = arc_fw_parse_status_code(sc, &reply[0]); 1026 if (error) { 1027 printf("%s: delete raidset%d failed\n", 1028 device_xname(&sc->sc_dev), bc->bc_volid); 1029 return error; 1030 } 1031 1032 break; 1033 } 1034 default: 1035 return EOPNOTSUPP; 1036 } 1037 1038 return error; 1039 } 1040 1041 static int 1042 arc_bio_setstate(struct arc_softc *sc, struct bioc_setstate *bs) 1043 { 1044 /* for a hotspare disk */ 1045 struct request_hs { 1046 uint8_t cmdcode; 1047 uint32_t devmask; 1048 } __packed; 1049 1050 /* for a pass-through disk */ 1051 struct request_pt { 1052 uint8_t cmdcode; 1053 uint8_t devid; 1054 uint8_t scsi_chan; 1055 uint8_t scsi_id; 1056 uint8_t scsi_lun; 1057 uint8_t tagged_queue; 1058 uint8_t cache_mode; 1059 uint8_t max_speed; 1060 } __packed; 1061 1062 struct scsibus_softc *scsibus_sc = NULL; 1063 struct request_hs req_hs; /* to add/remove hotspare */ 1064 struct request_pt req_pt; /* to add a pass-through */ 1065 uint8_t req_gen[2]; 1066 uint8_t reply[1]; 1067 int error = 0; 1068 1069 switch (bs->bs_status) { 1070 case BIOC_SSHOTSPARE: 1071 { 1072 req_hs.cmdcode = ARC_FW_CREATE_HOTSPARE; 1073 req_hs.devmask = (1 << bs->bs_target); 1074 goto hotspare; 1075 } 1076 case BIOC_SSDELHOTSPARE: 1077 { 1078 req_hs.cmdcode = ARC_FW_DELETE_HOTSPARE; 1079 req_hs.devmask = (1 << bs->bs_target); 1080 goto hotspare; 1081 } 1082 case BIOC_SSPASSTHRU: 1083 { 1084 req_pt.cmdcode = ARC_FW_CREATE_PASSTHRU; 1085 req_pt.devid = bs->bs_other_id; /* this wants device# */ 1086 req_pt.scsi_chan = bs->bs_channel; 1087 req_pt.scsi_id = bs->bs_target; 1088 req_pt.scsi_lun = bs->bs_lun; 1089 req_pt.tagged_queue = 1; /* always enabled */ 1090 req_pt.cache_mode = 1; /* always enabled */ 1091 req_pt.max_speed = 4; /* always max speed */ 1092 1093 error = arc_msgbuf(sc, &req_pt, sizeof(req_pt), 1094 reply, sizeof(reply)); 1095 if (error != 0) 1096 return error; 1097 1098 /* 1099 * Do a rescan on the bus to attach the new device 1100 * associated with the pass-through disk. 1101 */ 1102 scsibus_sc = device_private(sc->sc_scsibus_dv); 1103 (void)scsi_probe_bus(scsibus_sc, bs->bs_target, bs->bs_lun); 1104 1105 goto out; 1106 } 1107 case BIOC_SSDELPASSTHRU: 1108 { 1109 req_gen[0] = ARC_FW_DELETE_PASSTHRU; 1110 req_gen[1] = bs->bs_target; 1111 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen), 1112 reply, sizeof(reply)); 1113 if (error != 0) 1114 return error; 1115 1116 /* 1117 * Detach the sd device associated with this pass-through disk. 1118 */ 1119 error = scsipi_target_detach(&sc->sc_chan, bs->bs_target, 1120 bs->bs_lun, 0); 1121 if (error) 1122 printf("%s: couldn't detach sd device for the " 1123 "pass-through disk at %u:%u.%u (error=%d)\n", 1124 device_xname(&sc->sc_dev), 1125 bs->bs_channel, bs->bs_target, bs->bs_lun, error); 1126 1127 goto out; 1128 } 1129 case BIOC_SSCHECKSTART_VOL: 1130 { 1131 req_gen[0] = ARC_FW_START_CHECKVOL; 1132 req_gen[1] = bs->bs_volid; 1133 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen), 1134 reply, sizeof(reply)); 1135 if (error != 0) 1136 return error; 1137 1138 goto out; 1139 } 1140 case BIOC_SSCHECKSTOP_VOL: 1141 { 1142 uint8_t req = ARC_FW_STOP_CHECKVOL; 1143 error = arc_msgbuf(sc, &req, 1, reply, sizeof(reply)); 1144 if (error != 0) 1145 return error; 1146 1147 goto out; 1148 } 1149 default: 1150 return EOPNOTSUPP; 1151 } 1152 1153 hotspare: 1154 error = arc_msgbuf(sc, &req_hs, sizeof(req_hs), 1155 reply, sizeof(reply)); 1156 if (error != 0) 1157 return error; 1158 1159 out: 1160 return arc_fw_parse_status_code(sc, &reply[0]); 1161 } 1162 1163 static int 1164 arc_bio_inq(struct arc_softc *sc, struct bioc_inq *bi) 1165 { 1166 uint8_t request[2]; 1167 struct arc_fw_sysinfo *sysinfo; 1168 struct arc_fw_raidinfo *raidinfo; 1169 int nvols = 0, i; 1170 int error = 0; 1171 1172 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP); 1173 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP); 1174 1175 request[0] = ARC_FW_SYSINFO; 1176 error = arc_msgbuf(sc, request, 1, sysinfo, 1177 sizeof(struct arc_fw_sysinfo)); 1178 if (error != 0) 1179 goto out; 1180 1181 sc->sc_maxraidset = sysinfo->max_raid_set; 1182 sc->sc_maxvolset = sysinfo->max_volume_set; 1183 sc->sc_cchans = sysinfo->ide_channels; 1184 1185 request[0] = ARC_FW_RAIDINFO; 1186 for (i = 0; i < sc->sc_maxraidset; i++) { 1187 request[1] = i; 1188 error = arc_msgbuf(sc, request, sizeof(request), raidinfo, 1189 sizeof(struct arc_fw_raidinfo)); 1190 if (error != 0) 1191 goto out; 1192 1193 if (raidinfo->volumes) 1194 nvols++; 1195 } 1196 1197 strlcpy(bi->bi_dev, device_xname(&sc->sc_dev), sizeof(bi->bi_dev)); 1198 bi->bi_novol = nvols; 1199 bi->bi_nodisk = sc->sc_cchans; 1200 1201 out: 1202 kmem_free(raidinfo, sizeof(*raidinfo)); 1203 kmem_free(sysinfo, sizeof(*sysinfo)); 1204 return error; 1205 } 1206 1207 static int 1208 arc_bio_getvol(struct arc_softc *sc, int vol, struct arc_fw_volinfo *volinfo) 1209 { 1210 uint8_t request[2]; 1211 int error = 0; 1212 int nvols = 0, i; 1213 1214 request[0] = ARC_FW_VOLINFO; 1215 for (i = 0; i < sc->sc_maxvolset; i++) { 1216 request[1] = i; 1217 error = arc_msgbuf(sc, request, sizeof(request), volinfo, 1218 sizeof(struct arc_fw_volinfo)); 1219 if (error != 0) 1220 goto out; 1221 1222 if (volinfo->capacity == 0 && volinfo->capacity2 == 0) 1223 continue; 1224 1225 if (nvols == vol) 1226 break; 1227 1228 nvols++; 1229 } 1230 1231 if (nvols != vol || 1232 (volinfo->capacity == 0 && volinfo->capacity2 == 0)) { 1233 error = ENODEV; 1234 goto out; 1235 } 1236 1237 out: 1238 return error; 1239 } 1240 1241 static int 1242 arc_bio_vol(struct arc_softc *sc, struct bioc_vol *bv) 1243 { 1244 struct arc_fw_volinfo *volinfo; 1245 uint64_t blocks; 1246 uint32_t status; 1247 int error = 0; 1248 1249 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP); 1250 1251 error = arc_bio_getvol(sc, bv->bv_volid, volinfo); 1252 if (error != 0) 1253 goto out; 1254 1255 bv->bv_percent = -1; 1256 bv->bv_seconds = 0; 1257 1258 status = htole32(volinfo->volume_status); 1259 if (status == 0x0) { 1260 if (htole32(volinfo->fail_mask) == 0x0) 1261 bv->bv_status = BIOC_SVONLINE; 1262 else 1263 bv->bv_status = BIOC_SVDEGRADED; 1264 } else if (status & ARC_FW_VOL_STATUS_NEED_REGEN) { 1265 bv->bv_status = BIOC_SVDEGRADED; 1266 } else if (status & ARC_FW_VOL_STATUS_FAILED) { 1267 bv->bv_status = BIOC_SVOFFLINE; 1268 } else if (status & ARC_FW_VOL_STATUS_INITTING) { 1269 bv->bv_status = BIOC_SVBUILDING; 1270 bv->bv_percent = htole32(volinfo->progress); 1271 } else if (status & ARC_FW_VOL_STATUS_REBUILDING) { 1272 bv->bv_status = BIOC_SVREBUILD; 1273 bv->bv_percent = htole32(volinfo->progress); 1274 } else if (status & ARC_FW_VOL_STATUS_MIGRATING) { 1275 bv->bv_status = BIOC_SVMIGRATING; 1276 bv->bv_percent = htole32(volinfo->progress); 1277 } else if (status & ARC_FW_VOL_STATUS_CHECKING) { 1278 bv->bv_status = BIOC_SVCHECKING; 1279 bv->bv_percent = htole32(volinfo->progress); 1280 } 1281 1282 blocks = (uint64_t)htole32(volinfo->capacity2) << 32; 1283 blocks += (uint64_t)htole32(volinfo->capacity); 1284 bv->bv_size = blocks * ARC_BLOCKSIZE; /* XXX */ 1285 1286 switch (volinfo->raid_level) { 1287 case ARC_FW_VOL_RAIDLEVEL_0: 1288 bv->bv_level = 0; 1289 break; 1290 case ARC_FW_VOL_RAIDLEVEL_1: 1291 bv->bv_level = 1; 1292 break; 1293 case ARC_FW_VOL_RAIDLEVEL_3: 1294 bv->bv_level = 3; 1295 break; 1296 case ARC_FW_VOL_RAIDLEVEL_5: 1297 bv->bv_level = 5; 1298 break; 1299 case ARC_FW_VOL_RAIDLEVEL_6: 1300 bv->bv_level = 6; 1301 break; 1302 case ARC_FW_VOL_RAIDLEVEL_PASSTHRU: 1303 bv->bv_level = BIOC_SVOL_PASSTHRU; 1304 break; 1305 default: 1306 bv->bv_level = -1; 1307 break; 1308 } 1309 1310 bv->bv_nodisk = volinfo->member_disks; 1311 bv->bv_stripe_size = volinfo->stripe_size / 2; 1312 snprintf(bv->bv_dev, sizeof(bv->bv_dev), "sd%d", bv->bv_volid); 1313 scsipi_strvis(bv->bv_vendor, sizeof(bv->bv_vendor), volinfo->set_name, 1314 sizeof(volinfo->set_name)); 1315 1316 out: 1317 kmem_free(volinfo, sizeof(*volinfo)); 1318 return error; 1319 } 1320 1321 static int 1322 arc_bio_disk_novol(struct arc_softc *sc, struct bioc_disk *bd) 1323 { 1324 struct arc_fw_diskinfo *diskinfo; 1325 uint8_t request[2]; 1326 int error = 0; 1327 1328 diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP); 1329 1330 if (bd->bd_diskid >= sc->sc_cchans) { 1331 error = ENODEV; 1332 goto out; 1333 } 1334 1335 request[0] = ARC_FW_DISKINFO; 1336 request[1] = bd->bd_diskid; 1337 error = arc_msgbuf(sc, request, sizeof(request), 1338 diskinfo, sizeof(struct arc_fw_diskinfo)); 1339 if (error != 0) 1340 goto out; 1341 1342 /* skip disks with no capacity */ 1343 if (htole32(diskinfo->capacity) == 0 && 1344 htole32(diskinfo->capacity2) == 0) 1345 goto out; 1346 1347 bd->bd_disknovol = true; 1348 arc_bio_disk_filldata(sc, bd, diskinfo, bd->bd_diskid); 1349 1350 out: 1351 kmem_free(diskinfo, sizeof(*diskinfo)); 1352 return error; 1353 } 1354 1355 static void 1356 arc_bio_disk_filldata(struct arc_softc *sc, struct bioc_disk *bd, 1357 struct arc_fw_diskinfo *diskinfo, int diskid) 1358 { 1359 uint64_t blocks; 1360 char model[81]; 1361 char serial[41]; 1362 char rev[17]; 1363 1364 switch (htole32(diskinfo->device_state)) { 1365 case ARC_FW_DISK_PASSTHRU: 1366 bd->bd_status = BIOC_SDPASSTHRU; 1367 break; 1368 case ARC_FW_DISK_RAIDMEMBER: 1369 bd->bd_status = BIOC_SDONLINE; 1370 break; 1371 case ARC_FW_DISK_HOTSPARE: 1372 bd->bd_status = BIOC_SDHOTSPARE; 1373 break; 1374 case ARC_FW_DISK_UNUSED: 1375 bd->bd_status = BIOC_SDUNUSED; 1376 break; 1377 case 0: 1378 /* disk has been disconnected */ 1379 bd->bd_status = BIOC_SDOFFLINE; 1380 bd->bd_channel = 1; 1381 bd->bd_target = 0; 1382 bd->bd_lun = 0; 1383 strlcpy(bd->bd_vendor, "disk missing", sizeof(bd->bd_vendor)); 1384 break; 1385 default: 1386 printf("%s: unknown disk device_state: 0x%x\n", __func__, 1387 htole32(diskinfo->device_state)); 1388 bd->bd_status = BIOC_SDINVALID; 1389 return; 1390 } 1391 1392 blocks = (uint64_t)htole32(diskinfo->capacity2) << 32; 1393 blocks += (uint64_t)htole32(diskinfo->capacity); 1394 bd->bd_size = blocks * ARC_BLOCKSIZE; /* XXX */ 1395 1396 scsipi_strvis(model, 81, diskinfo->model, sizeof(diskinfo->model)); 1397 scsipi_strvis(serial, 41, diskinfo->serial, sizeof(diskinfo->serial)); 1398 scsipi_strvis(rev, 17, diskinfo->firmware_rev, 1399 sizeof(diskinfo->firmware_rev)); 1400 1401 snprintf(bd->bd_vendor, sizeof(bd->bd_vendor), "%s %s", model, rev); 1402 strlcpy(bd->bd_serial, serial, sizeof(bd->bd_serial)); 1403 1404 #if 0 1405 bd->bd_channel = diskinfo->scsi_attr.channel; 1406 bd->bd_target = diskinfo->scsi_attr.target; 1407 bd->bd_lun = diskinfo->scsi_attr.lun; 1408 #endif 1409 1410 /* 1411 * the firwmare doesnt seem to fill scsi_attr in, so fake it with 1412 * the diskid. 1413 */ 1414 bd->bd_channel = 0; 1415 bd->bd_target = diskid; 1416 bd->bd_lun = 0; 1417 } 1418 1419 static int 1420 arc_bio_disk_volume(struct arc_softc *sc, struct bioc_disk *bd) 1421 { 1422 struct arc_fw_raidinfo *raidinfo; 1423 struct arc_fw_volinfo *volinfo; 1424 struct arc_fw_diskinfo *diskinfo; 1425 uint8_t request[2]; 1426 int error = 0; 1427 1428 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP); 1429 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP); 1430 diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP); 1431 1432 error = arc_bio_getvol(sc, bd->bd_volid, volinfo); 1433 if (error != 0) 1434 goto out; 1435 1436 request[0] = ARC_FW_RAIDINFO; 1437 request[1] = volinfo->raid_set_number; 1438 1439 error = arc_msgbuf(sc, request, sizeof(request), raidinfo, 1440 sizeof(struct arc_fw_raidinfo)); 1441 if (error != 0) 1442 goto out; 1443 1444 if (bd->bd_diskid >= sc->sc_cchans || 1445 bd->bd_diskid >= raidinfo->member_devices) { 1446 error = ENODEV; 1447 goto out; 1448 } 1449 1450 if (raidinfo->device_array[bd->bd_diskid] == 0xff) { 1451 /* 1452 * The disk has been disconnected, mark it offline 1453 * and put it on another bus. 1454 */ 1455 bd->bd_channel = 1; 1456 bd->bd_target = 0; 1457 bd->bd_lun = 0; 1458 bd->bd_status = BIOC_SDOFFLINE; 1459 strlcpy(bd->bd_vendor, "disk missing", sizeof(bd->bd_vendor)); 1460 goto out; 1461 } 1462 1463 request[0] = ARC_FW_DISKINFO; 1464 request[1] = raidinfo->device_array[bd->bd_diskid]; 1465 error = arc_msgbuf(sc, request, sizeof(request), diskinfo, 1466 sizeof(struct arc_fw_diskinfo)); 1467 if (error != 0) 1468 goto out; 1469 1470 /* now fill our bio disk with data from the firmware */ 1471 arc_bio_disk_filldata(sc, bd, diskinfo, 1472 raidinfo->device_array[bd->bd_diskid]); 1473 1474 out: 1475 kmem_free(raidinfo, sizeof(*raidinfo)); 1476 kmem_free(volinfo, sizeof(*volinfo)); 1477 kmem_free(diskinfo, sizeof(*diskinfo)); 1478 return error; 1479 } 1480 #endif /* NBIO > 0 */ 1481 1482 uint8_t 1483 arc_msg_cksum(void *cmd, uint16_t len) 1484 { 1485 uint8_t *buf = cmd; 1486 uint8_t cksum; 1487 int i; 1488 1489 cksum = (uint8_t)(len >> 8) + (uint8_t)len; 1490 for (i = 0; i < len; i++) 1491 cksum += buf[i]; 1492 1493 return cksum; 1494 } 1495 1496 1497 int 1498 arc_msgbuf(struct arc_softc *sc, void *wptr, size_t wbuflen, void *rptr, 1499 size_t rbuflen) 1500 { 1501 uint8_t rwbuf[ARC_REG_IOC_RWBUF_MAXLEN]; 1502 uint8_t *wbuf, *rbuf; 1503 int wlen, wdone = 0, rlen, rdone = 0; 1504 struct arc_fw_bufhdr *bufhdr; 1505 uint32_t reg, rwlen; 1506 int error = 0; 1507 #ifdef ARC_DEBUG 1508 int i; 1509 #endif 1510 1511 wbuf = rbuf = NULL; 1512 1513 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wbuflen: %d rbuflen: %d\n", 1514 device_xname(&sc->sc_dev), wbuflen, rbuflen); 1515 1516 wlen = sizeof(struct arc_fw_bufhdr) + wbuflen + 1; /* 1 for cksum */ 1517 wbuf = kmem_alloc(wlen, KM_SLEEP); 1518 1519 rlen = sizeof(struct arc_fw_bufhdr) + rbuflen + 1; /* 1 for cksum */ 1520 rbuf = kmem_alloc(rlen, KM_SLEEP); 1521 1522 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wlen: %d rlen: %d\n", 1523 device_xname(&sc->sc_dev), wlen, rlen); 1524 1525 bufhdr = (struct arc_fw_bufhdr *)wbuf; 1526 bufhdr->hdr = arc_fw_hdr; 1527 bufhdr->len = htole16(wbuflen); 1528 memcpy(wbuf + sizeof(struct arc_fw_bufhdr), wptr, wbuflen); 1529 wbuf[wlen - 1] = arc_msg_cksum(wptr, wbuflen); 1530 1531 arc_lock(sc); 1532 if (arc_read(sc, ARC_REG_OUTB_DOORBELL) != 0) { 1533 error = EBUSY; 1534 goto out; 1535 } 1536 1537 reg = ARC_REG_OUTB_DOORBELL_READ_OK; 1538 1539 do { 1540 if ((reg & ARC_REG_OUTB_DOORBELL_READ_OK) && wdone < wlen) { 1541 memset(rwbuf, 0, sizeof(rwbuf)); 1542 rwlen = (wlen - wdone) % sizeof(rwbuf); 1543 memcpy(rwbuf, &wbuf[wdone], rwlen); 1544 1545 #ifdef ARC_DEBUG 1546 if (arcdebug & ARC_D_DB) { 1547 printf("%s: write %d:", 1548 device_xname(&sc->sc_dev), rwlen); 1549 for (i = 0; i < rwlen; i++) 1550 printf(" 0x%02x", rwbuf[i]); 1551 printf("\n"); 1552 } 1553 #endif 1554 1555 /* copy the chunk to the hw */ 1556 arc_write(sc, ARC_REG_IOC_WBUF_LEN, rwlen); 1557 arc_write_region(sc, ARC_REG_IOC_WBUF, rwbuf, 1558 sizeof(rwbuf)); 1559 1560 /* say we have a buffer for the hw */ 1561 arc_write(sc, ARC_REG_INB_DOORBELL, 1562 ARC_REG_INB_DOORBELL_WRITE_OK); 1563 1564 wdone += rwlen; 1565 } 1566 1567 while ((reg = arc_read(sc, ARC_REG_OUTB_DOORBELL)) == 0) 1568 arc_wait(sc); 1569 1570 arc_write(sc, ARC_REG_OUTB_DOORBELL, reg); 1571 1572 DNPRINTF(ARC_D_DB, "%s: reg: 0x%08x\n", 1573 device_xname(&sc->sc_dev), reg); 1574 1575 if ((reg & ARC_REG_OUTB_DOORBELL_WRITE_OK) && rdone < rlen) { 1576 rwlen = arc_read(sc, ARC_REG_IOC_RBUF_LEN); 1577 if (rwlen > sizeof(rwbuf)) { 1578 DNPRINTF(ARC_D_DB, "%s: rwlen too big\n", 1579 device_xname(&sc->sc_dev)); 1580 error = EIO; 1581 goto out; 1582 } 1583 1584 arc_read_region(sc, ARC_REG_IOC_RBUF, rwbuf, 1585 sizeof(rwbuf)); 1586 1587 arc_write(sc, ARC_REG_INB_DOORBELL, 1588 ARC_REG_INB_DOORBELL_READ_OK); 1589 1590 #ifdef ARC_DEBUG 1591 printf("%s: len: %d+%d=%d/%d\n", 1592 device_xname(&sc->sc_dev), 1593 rwlen, rdone, rwlen + rdone, rlen); 1594 if (arcdebug & ARC_D_DB) { 1595 printf("%s: read:", 1596 device_xname(&sc->sc_dev)); 1597 for (i = 0; i < rwlen; i++) 1598 printf(" 0x%02x", rwbuf[i]); 1599 printf("\n"); 1600 } 1601 #endif 1602 1603 if ((rdone + rwlen) > rlen) { 1604 DNPRINTF(ARC_D_DB, "%s: rwbuf too big\n", 1605 device_xname(&sc->sc_dev)); 1606 error = EIO; 1607 goto out; 1608 } 1609 1610 memcpy(&rbuf[rdone], rwbuf, rwlen); 1611 rdone += rwlen; 1612 } 1613 } while (rdone != rlen); 1614 1615 bufhdr = (struct arc_fw_bufhdr *)rbuf; 1616 if (memcmp(&bufhdr->hdr, &arc_fw_hdr, sizeof(bufhdr->hdr)) != 0 || 1617 bufhdr->len != htole16(rbuflen)) { 1618 DNPRINTF(ARC_D_DB, "%s: rbuf hdr is wrong\n", 1619 device_xname(&sc->sc_dev)); 1620 error = EIO; 1621 goto out; 1622 } 1623 1624 memcpy(rptr, rbuf + sizeof(struct arc_fw_bufhdr), rbuflen); 1625 1626 if (rbuf[rlen - 1] != arc_msg_cksum(rptr, rbuflen)) { 1627 DNPRINTF(ARC_D_DB, "%s: invalid cksum\n", 1628 device_xname(&sc->sc_dev)); 1629 error = EIO; 1630 goto out; 1631 } 1632 1633 out: 1634 arc_unlock(sc); 1635 kmem_free(wbuf, wlen); 1636 kmem_free(rbuf, rlen); 1637 1638 return error; 1639 } 1640 1641 void 1642 arc_lock(struct arc_softc *sc) 1643 { 1644 rw_enter(&sc->sc_rwlock, RW_WRITER); 1645 mutex_spin_enter(&sc->sc_mutex); 1646 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE); 1647 sc->sc_talking = 1; 1648 } 1649 1650 void 1651 arc_unlock(struct arc_softc *sc) 1652 { 1653 KASSERT(mutex_owned(&sc->sc_mutex)); 1654 1655 arc_write(sc, ARC_REG_INTRMASK, 1656 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL)); 1657 sc->sc_talking = 0; 1658 mutex_spin_exit(&sc->sc_mutex); 1659 rw_exit(&sc->sc_rwlock); 1660 } 1661 1662 void 1663 arc_wait(struct arc_softc *sc) 1664 { 1665 KASSERT(mutex_owned(&sc->sc_mutex)); 1666 1667 arc_write(sc, ARC_REG_INTRMASK, 1668 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL)); 1669 if (cv_timedwait(&sc->sc_condvar, &sc->sc_mutex, hz) == EWOULDBLOCK) 1670 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE); 1671 } 1672 1673 #if NBIO > 0 1674 static void 1675 arc_create_sensors(void *arg) 1676 { 1677 struct arc_softc *sc = arg; 1678 struct bioc_inq bi; 1679 struct bioc_vol bv; 1680 int i, j; 1681 size_t slen, count = 0; 1682 1683 memset(&bi, 0, sizeof(bi)); 1684 if (arc_bio_inq(sc, &bi) != 0) { 1685 aprint_error("%s: unable to query firmware for sensor info\n", 1686 device_xname(&sc->sc_dev)); 1687 kthread_exit(0); 1688 } 1689 1690 /* There's no point to continue if there are no volumes */ 1691 if (!bi.bi_novol) 1692 kthread_exit(0); 1693 1694 for (i = 0; i < bi.bi_novol; i++) { 1695 memset(&bv, 0, sizeof(bv)); 1696 bv.bv_volid = i; 1697 if (arc_bio_vol(sc, &bv) != 0) 1698 kthread_exit(0); 1699 1700 /* Skip passthrough volumes */ 1701 if (bv.bv_level == BIOC_SVOL_PASSTHRU) 1702 continue; 1703 1704 /* new volume found */ 1705 sc->sc_nsensors++; 1706 /* new disk in a volume found */ 1707 sc->sc_nsensors+= bv.bv_nodisk; 1708 } 1709 1710 sc->sc_sme = sysmon_envsys_create(); 1711 slen = sizeof(envsys_data_t) * sc->sc_nsensors; 1712 sc->sc_sensors = kmem_zalloc(slen, KM_SLEEP); 1713 1714 /* Attach sensors for volumes and disks */ 1715 for (i = 0; i < bi.bi_novol; i++) { 1716 memset(&bv, 0, sizeof(bv)); 1717 bv.bv_volid = i; 1718 if (arc_bio_vol(sc, &bv) != 0) 1719 goto bad; 1720 1721 sc->sc_sensors[count].units = ENVSYS_DRIVE; 1722 sc->sc_sensors[count].monitor = true; 1723 sc->sc_sensors[count].flags = ENVSYS_FMONSTCHANGED; 1724 1725 /* Skip passthrough volumes */ 1726 if (bv.bv_level == BIOC_SVOL_PASSTHRU) 1727 continue; 1728 1729 snprintf(sc->sc_sensors[count].desc, 1730 sizeof(sc->sc_sensors[count].desc), 1731 "RAID %d volume%d (%s)", bv.bv_level, i, bv.bv_dev); 1732 sc->sc_sensors[count].value_max = i; 1733 1734 if (sysmon_envsys_sensor_attach(sc->sc_sme, 1735 &sc->sc_sensors[count])) 1736 goto bad; 1737 1738 count++; 1739 1740 /* Attach disk sensors for this volume */ 1741 for (j = 0; j < bv.bv_nodisk; j++) { 1742 sc->sc_sensors[count].units = ENVSYS_DRIVE; 1743 sc->sc_sensors[count].monitor = true; 1744 sc->sc_sensors[count].flags = ENVSYS_FMONSTCHANGED; 1745 1746 snprintf(sc->sc_sensors[count].desc, 1747 sizeof(sc->sc_sensors[count].desc), 1748 "disk%d volume%d (%s)", j, i, bv.bv_dev); 1749 sc->sc_sensors[count].value_max = i; 1750 sc->sc_sensors[count].value_avg = j + 10; 1751 1752 if (sysmon_envsys_sensor_attach(sc->sc_sme, 1753 &sc->sc_sensors[count])) 1754 goto bad; 1755 1756 count++; 1757 } 1758 } 1759 1760 /* 1761 * Register our envsys driver with the framework now that the 1762 * sensors were all attached. 1763 */ 1764 sc->sc_sme->sme_name = device_xname(&sc->sc_dev); 1765 sc->sc_sme->sme_cookie = sc; 1766 sc->sc_sme->sme_refresh = arc_refresh_sensors; 1767 1768 if (sysmon_envsys_register(sc->sc_sme)) { 1769 aprint_debug("%s: unable to register with sysmon\n", 1770 device_xname(&sc->sc_dev)); 1771 goto bad; 1772 } 1773 kthread_exit(0); 1774 1775 bad: 1776 kmem_free(sc->sc_sensors, slen); 1777 sysmon_envsys_destroy(sc->sc_sme); 1778 kthread_exit(0); 1779 } 1780 1781 static void 1782 arc_refresh_sensors(struct sysmon_envsys *sme, envsys_data_t *edata) 1783 { 1784 struct arc_softc *sc = sme->sme_cookie; 1785 struct bioc_vol bv; 1786 struct bioc_disk bd; 1787 1788 /* sanity check */ 1789 if (edata->units != ENVSYS_DRIVE) 1790 return; 1791 1792 memset(&bv, 0, sizeof(bv)); 1793 bv.bv_volid = edata->value_max; 1794 1795 if (arc_bio_vol(sc, &bv)) { 1796 edata->value_cur = ENVSYS_DRIVE_EMPTY; 1797 edata->state = ENVSYS_SINVALID; 1798 return; 1799 } 1800 1801 /* Current sensor is handling a disk volume member */ 1802 if (edata->value_avg) { 1803 memset(&bd, 0, sizeof(bd)); 1804 bd.bd_volid = edata->value_max; 1805 bd.bd_diskid = edata->value_avg - 10; 1806 1807 if (arc_bio_disk_volume(sc, &bd)) { 1808 edata->value_cur = ENVSYS_DRIVE_OFFLINE; 1809 edata->state = ENVSYS_SCRITICAL; 1810 return; 1811 } 1812 1813 switch (bd.bd_status) { 1814 case BIOC_SDONLINE: 1815 edata->value_cur = ENVSYS_DRIVE_ONLINE; 1816 edata->state = ENVSYS_SVALID; 1817 break; 1818 case BIOC_SDOFFLINE: 1819 edata->value_cur = ENVSYS_DRIVE_OFFLINE; 1820 edata->state = ENVSYS_SCRITICAL; 1821 break; 1822 default: 1823 edata->value_cur = ENVSYS_DRIVE_FAIL; 1824 edata->state = ENVSYS_SCRITICAL; 1825 break; 1826 } 1827 1828 return; 1829 } 1830 1831 /* Current sensor is handling a volume */ 1832 switch (bv.bv_status) { 1833 case BIOC_SVOFFLINE: 1834 edata->value_cur = ENVSYS_DRIVE_FAIL; 1835 edata->state = ENVSYS_SCRITICAL; 1836 break; 1837 case BIOC_SVDEGRADED: 1838 edata->value_cur = ENVSYS_DRIVE_PFAIL; 1839 edata->state = ENVSYS_SCRITICAL; 1840 break; 1841 case BIOC_SVBUILDING: 1842 edata->value_cur = ENVSYS_DRIVE_BUILD; 1843 edata->state = ENVSYS_SVALID; 1844 break; 1845 case BIOC_SVMIGRATING: 1846 edata->value_cur = ENVSYS_DRIVE_MIGRATING; 1847 edata->state = ENVSYS_SVALID; 1848 break; 1849 case BIOC_SVCHECKING: 1850 edata->value_cur = ENVSYS_DRIVE_CHECK; 1851 edata->state = ENVSYS_SVALID; 1852 break; 1853 case BIOC_SVREBUILD: 1854 edata->value_cur = ENVSYS_DRIVE_REBUILD; 1855 edata->state = ENVSYS_SCRITICAL; 1856 break; 1857 case BIOC_SVSCRUB: 1858 case BIOC_SVONLINE: 1859 edata->value_cur = ENVSYS_DRIVE_ONLINE; 1860 edata->state = ENVSYS_SVALID; 1861 break; 1862 case BIOC_SVINVALID: 1863 /* FALLTHROUGH */ 1864 default: 1865 edata->value_cur = ENVSYS_DRIVE_EMPTY; /* unknown state */ 1866 edata->state = ENVSYS_SINVALID; 1867 break; 1868 } 1869 } 1870 #endif /* NBIO > 0 */ 1871 1872 uint32_t 1873 arc_read(struct arc_softc *sc, bus_size_t r) 1874 { 1875 uint32_t v; 1876 1877 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, 1878 BUS_SPACE_BARRIER_READ); 1879 v = bus_space_read_4(sc->sc_iot, sc->sc_ioh, r); 1880 1881 DNPRINTF(ARC_D_RW, "%s: arc_read 0x%lx 0x%08x\n", 1882 device_xname(&sc->sc_dev), r, v); 1883 1884 return v; 1885 } 1886 1887 void 1888 arc_read_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len) 1889 { 1890 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len, 1891 BUS_SPACE_BARRIER_READ); 1892 bus_space_read_region_4(sc->sc_iot, sc->sc_ioh, r, 1893 (uint32_t *)buf, len >> 2); 1894 } 1895 1896 void 1897 arc_write(struct arc_softc *sc, bus_size_t r, uint32_t v) 1898 { 1899 DNPRINTF(ARC_D_RW, "%s: arc_write 0x%lx 0x%08x\n", 1900 device_xname(&sc->sc_dev), r, v); 1901 1902 bus_space_write_4(sc->sc_iot, sc->sc_ioh, r, v); 1903 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, 1904 BUS_SPACE_BARRIER_WRITE); 1905 } 1906 1907 void 1908 arc_write_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len) 1909 { 1910 bus_space_write_region_4(sc->sc_iot, sc->sc_ioh, r, 1911 (const uint32_t *)buf, len >> 2); 1912 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len, 1913 BUS_SPACE_BARRIER_WRITE); 1914 } 1915 1916 int 1917 arc_wait_eq(struct arc_softc *sc, bus_size_t r, uint32_t mask, 1918 uint32_t target) 1919 { 1920 int i; 1921 1922 DNPRINTF(ARC_D_RW, "%s: arc_wait_eq 0x%lx 0x%08x 0x%08x\n", 1923 device_xname(&sc->sc_dev), r, mask, target); 1924 1925 for (i = 0; i < 10000; i++) { 1926 if ((arc_read(sc, r) & mask) == target) 1927 return 0; 1928 delay(1000); 1929 } 1930 1931 return 1; 1932 } 1933 1934 int 1935 arc_wait_ne(struct arc_softc *sc, bus_size_t r, uint32_t mask, 1936 uint32_t target) 1937 { 1938 int i; 1939 1940 DNPRINTF(ARC_D_RW, "%s: arc_wait_ne 0x%lx 0x%08x 0x%08x\n", 1941 device_xname(&sc->sc_dev), r, mask, target); 1942 1943 for (i = 0; i < 10000; i++) { 1944 if ((arc_read(sc, r) & mask) != target) 1945 return 0; 1946 delay(1000); 1947 } 1948 1949 return 1; 1950 } 1951 1952 int 1953 arc_msg0(struct arc_softc *sc, uint32_t m) 1954 { 1955 /* post message */ 1956 arc_write(sc, ARC_REG_INB_MSG0, m); 1957 /* wait for the fw to do it */ 1958 if (arc_wait_eq(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0, 1959 ARC_REG_INTRSTAT_MSG0) != 0) 1960 return 1; 1961 1962 /* ack it */ 1963 arc_write(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0); 1964 1965 return 0; 1966 } 1967 1968 struct arc_dmamem * 1969 arc_dmamem_alloc(struct arc_softc *sc, size_t size) 1970 { 1971 struct arc_dmamem *adm; 1972 int nsegs; 1973 1974 adm = kmem_zalloc(sizeof(*adm), KM_NOSLEEP); 1975 if (adm == NULL) 1976 return NULL; 1977 1978 adm->adm_size = size; 1979 1980 if (bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 1981 BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW, &adm->adm_map) != 0) 1982 goto admfree; 1983 1984 if (bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &adm->adm_seg, 1985 1, &nsegs, BUS_DMA_NOWAIT) != 0) 1986 goto destroy; 1987 1988 if (bus_dmamem_map(sc->sc_dmat, &adm->adm_seg, nsegs, size, 1989 &adm->adm_kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT) != 0) 1990 goto free; 1991 1992 if (bus_dmamap_load(sc->sc_dmat, adm->adm_map, adm->adm_kva, size, 1993 NULL, BUS_DMA_NOWAIT) != 0) 1994 goto unmap; 1995 1996 memset(adm->adm_kva, 0, size); 1997 1998 return adm; 1999 2000 unmap: 2001 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, size); 2002 free: 2003 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1); 2004 destroy: 2005 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map); 2006 admfree: 2007 kmem_free(adm, sizeof(*adm)); 2008 2009 return NULL; 2010 } 2011 2012 void 2013 arc_dmamem_free(struct arc_softc *sc, struct arc_dmamem *adm) 2014 { 2015 bus_dmamap_unload(sc->sc_dmat, adm->adm_map); 2016 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, adm->adm_size); 2017 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1); 2018 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map); 2019 kmem_free(adm, sizeof(*adm)); 2020 } 2021 2022 int 2023 arc_alloc_ccbs(struct arc_softc *sc) 2024 { 2025 struct arc_ccb *ccb; 2026 uint8_t *cmd; 2027 int i; 2028 size_t ccbslen; 2029 2030 TAILQ_INIT(&sc->sc_ccb_free); 2031 2032 ccbslen = sizeof(struct arc_ccb) * sc->sc_req_count; 2033 sc->sc_ccbs = kmem_zalloc(ccbslen, KM_SLEEP); 2034 2035 sc->sc_requests = arc_dmamem_alloc(sc, 2036 ARC_MAX_IOCMDLEN * sc->sc_req_count); 2037 if (sc->sc_requests == NULL) { 2038 aprint_error("%s: unable to allocate ccb dmamem\n", 2039 device_xname(&sc->sc_dev)); 2040 goto free_ccbs; 2041 } 2042 cmd = ARC_DMA_KVA(sc->sc_requests); 2043 2044 for (i = 0; i < sc->sc_req_count; i++) { 2045 ccb = &sc->sc_ccbs[i]; 2046 2047 if (bus_dmamap_create(sc->sc_dmat, MAXPHYS, ARC_SGL_MAXLEN, 2048 MAXPHYS, 0, 0, &ccb->ccb_dmamap) != 0) { 2049 aprint_error("%s: unable to create dmamap for ccb %d\n", 2050 device_xname(&sc->sc_dev), i); 2051 goto free_maps; 2052 } 2053 2054 ccb->ccb_sc = sc; 2055 ccb->ccb_id = i; 2056 ccb->ccb_offset = ARC_MAX_IOCMDLEN * i; 2057 2058 ccb->ccb_cmd = (struct arc_io_cmd *)&cmd[ccb->ccb_offset]; 2059 ccb->ccb_cmd_post = (ARC_DMA_DVA(sc->sc_requests) + 2060 ccb->ccb_offset) >> ARC_REG_POST_QUEUE_ADDR_SHIFT; 2061 2062 arc_put_ccb(sc, ccb); 2063 } 2064 2065 return 0; 2066 2067 free_maps: 2068 while ((ccb = arc_get_ccb(sc)) != NULL) 2069 bus_dmamap_destroy(sc->sc_dmat, ccb->ccb_dmamap); 2070 arc_dmamem_free(sc, sc->sc_requests); 2071 2072 free_ccbs: 2073 kmem_free(sc->sc_ccbs, ccbslen); 2074 2075 return 1; 2076 } 2077 2078 struct arc_ccb * 2079 arc_get_ccb(struct arc_softc *sc) 2080 { 2081 struct arc_ccb *ccb; 2082 2083 ccb = TAILQ_FIRST(&sc->sc_ccb_free); 2084 if (ccb != NULL) 2085 TAILQ_REMOVE(&sc->sc_ccb_free, ccb, ccb_link); 2086 2087 return ccb; 2088 } 2089 2090 void 2091 arc_put_ccb(struct arc_softc *sc, struct arc_ccb *ccb) 2092 { 2093 ccb->ccb_xs = NULL; 2094 memset(ccb->ccb_cmd, 0, ARC_MAX_IOCMDLEN); 2095 TAILQ_INSERT_TAIL(&sc->sc_ccb_free, ccb, ccb_link); 2096 } 2097
Indexes created Fri Sep 26 20:09:58 GMT 2025