arcmsr.c revision 1.11
1 /* $NetBSD: arcmsr.c,v 1.11 2008/02/28 21:08:45 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 1.11 2008/02/28 21:08:45 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 /* save the number of max disks for future use */ 663 sc->sc_maxdisks = htole32(fwinfo.sata_ports); 664 665 if (htole32(fwinfo.request_len) != ARC_MAX_IOCMDLEN) { 666 aprint_error("%s: unexpected request frame size (%d != %d)\n", 667 device_xname(&sc->sc_dev), 668 htole32(fwinfo.request_len), ARC_MAX_IOCMDLEN); 669 return 1; 670 } 671 672 sc->sc_req_count = htole32(fwinfo.queue_len); 673 674 return 0; 675 } 676 677 #if NBIO > 0 678 static int 679 arc_bioctl(struct device *self, u_long cmd, void *addr) 680 { 681 struct arc_softc *sc = device_private(self); 682 int error = 0; 683 684 switch (cmd) { 685 case BIOCINQ: 686 error = arc_bio_inq(sc, (struct bioc_inq *)addr); 687 break; 688 689 case BIOCVOL: 690 error = arc_bio_vol(sc, (struct bioc_vol *)addr); 691 break; 692 693 case BIOCDISK: 694 error = arc_bio_disk_volume(sc, (struct bioc_disk *)addr); 695 break; 696 697 case BIOCDISK_NOVOL: 698 error = arc_bio_disk_novol(sc, (struct bioc_disk *)addr); 699 break; 700 701 case BIOCALARM: 702 error = arc_bio_alarm(sc, (struct bioc_alarm *)addr); 703 break; 704 705 case BIOCSETSTATE: 706 error = arc_bio_setstate(sc, (struct bioc_setstate *)addr); 707 break; 708 709 case BIOCVOLOPS: 710 error = arc_bio_volops(sc, (struct bioc_volops *)addr); 711 break; 712 713 default: 714 error = ENOTTY; 715 break; 716 } 717 718 return error; 719 } 720 721 static int 722 arc_fw_parse_status_code(struct arc_softc *sc, uint8_t *reply) 723 { 724 switch (*reply) { 725 case ARC_FW_CMD_RAIDINVAL: 726 printf("%s: firmware error (invalid raid set)\n", 727 device_xname(&sc->sc_dev)); 728 return EINVAL; 729 case ARC_FW_CMD_VOLINVAL: 730 printf("%s: firmware error (invalid volume set)\n", 731 device_xname(&sc->sc_dev)); 732 return EINVAL; 733 case ARC_FW_CMD_NORAID: 734 printf("%s: firmware error (unexistent raid set)\n", 735 device_xname(&sc->sc_dev)); 736 return ENODEV; 737 case ARC_FW_CMD_NOVOLUME: 738 printf("%s: firmware error (unexistent volume set)\n", 739 device_xname(&sc->sc_dev)); 740 return ENODEV; 741 case ARC_FW_CMD_NOPHYSDRV: 742 printf("%s: firmware error (unexistent physical drive)\n", 743 device_xname(&sc->sc_dev)); 744 return ENODEV; 745 case ARC_FW_CMD_PARAM_ERR: 746 printf("%s: firmware error (parameter error)\n", 747 device_xname(&sc->sc_dev)); 748 return EINVAL; 749 case ARC_FW_CMD_UNSUPPORTED: 750 printf("%s: firmware error (unsupported command)\n", 751 device_xname(&sc->sc_dev)); 752 return EOPNOTSUPP; 753 case ARC_FW_CMD_DISKCFG_CHGD: 754 printf("%s: firmware error (disk configuration changed)\n", 755 device_xname(&sc->sc_dev)); 756 return EINVAL; 757 case ARC_FW_CMD_PASS_INVAL: 758 printf("%s: firmware error (invalid password)\n", 759 device_xname(&sc->sc_dev)); 760 return EINVAL; 761 case ARC_FW_CMD_NODISKSPACE: 762 printf("%s: firmware error (no disk space available)\n", 763 device_xname(&sc->sc_dev)); 764 return EOPNOTSUPP; 765 case ARC_FW_CMD_CHECKSUM_ERR: 766 printf("%s: firmware error (checksum error)\n", 767 device_xname(&sc->sc_dev)); 768 return EINVAL; 769 case ARC_FW_CMD_PASS_REQD: 770 printf("%s: firmware error (password required)\n", 771 device_xname(&sc->sc_dev)); 772 return EPERM; 773 case ARC_FW_CMD_OK: 774 default: 775 return 0; 776 } 777 } 778 779 static int 780 arc_bio_alarm(struct arc_softc *sc, struct bioc_alarm *ba) 781 { 782 uint8_t request[2], reply[1]; 783 size_t len; 784 int error = 0; 785 786 switch (ba->ba_opcode) { 787 case BIOC_SAENABLE: 788 case BIOC_SADISABLE: 789 request[0] = ARC_FW_SET_ALARM; 790 request[1] = (ba->ba_opcode == BIOC_SAENABLE) ? 791 ARC_FW_SET_ALARM_ENABLE : ARC_FW_SET_ALARM_DISABLE; 792 len = sizeof(request); 793 794 break; 795 796 case BIOC_SASILENCE: 797 request[0] = ARC_FW_MUTE_ALARM; 798 len = 1; 799 800 break; 801 802 case BIOC_GASTATUS: 803 /* system info is too big/ugly to deal with here */ 804 return arc_bio_alarm_state(sc, ba); 805 806 default: 807 return EOPNOTSUPP; 808 } 809 810 error = arc_msgbuf(sc, request, len, reply, sizeof(reply)); 811 if (error != 0) 812 return error; 813 814 return arc_fw_parse_status_code(sc, &reply[0]); 815 } 816 817 static int 818 arc_bio_alarm_state(struct arc_softc *sc, struct bioc_alarm *ba) 819 { 820 struct arc_fw_sysinfo *sysinfo; 821 uint8_t request; 822 int error = 0; 823 824 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP); 825 826 request = ARC_FW_SYSINFO; 827 error = arc_msgbuf(sc, &request, sizeof(request), 828 sysinfo, sizeof(struct arc_fw_sysinfo)); 829 830 if (error != 0) 831 goto out; 832 833 ba->ba_status = sysinfo->alarm; 834 835 out: 836 kmem_free(sysinfo, sizeof(*sysinfo)); 837 return error; 838 } 839 840 static int 841 arc_bio_volops(struct arc_softc *sc, struct bioc_volops *bc) 842 { 843 /* to create a raid set */ 844 struct req_craidset { 845 uint8_t cmdcode; 846 uint32_t devmask; 847 uint8_t raidset_name[16]; 848 } __packed; 849 850 /* to create a volume set */ 851 struct req_cvolset { 852 uint8_t cmdcode; 853 uint8_t raidset; 854 uint8_t volset_name[16]; 855 uint64_t capacity; 856 uint8_t raidlevel; 857 uint8_t stripe; 858 uint8_t scsi_chan; 859 uint8_t scsi_target; 860 uint8_t scsi_lun; 861 uint8_t tagqueue; 862 uint8_t cache; 863 uint8_t speed; 864 uint8_t quick_init; 865 } __packed; 866 867 struct scsibus_softc *scsibus_sc = NULL; 868 struct req_craidset req_craidset; 869 struct req_cvolset req_cvolset; 870 uint8_t request[2]; 871 uint8_t reply[1]; 872 int error = 0; 873 874 switch (bc->bc_opcode) { 875 case BIOC_VCREATE_VOLUME: 876 { 877 /* 878 * Zero out the structs so that we use some defaults 879 * in raid and volume sets. 880 */ 881 memset(&req_craidset, 0, sizeof(req_craidset)); 882 memset(&req_cvolset, 0, sizeof(req_cvolset)); 883 884 /* 885 * Firstly we have to create the raid set and 886 * use the default name for all them. 887 */ 888 req_craidset.cmdcode = ARC_FW_CREATE_RAIDSET; 889 req_craidset.devmask = bc->bc_devmask; 890 error = arc_msgbuf(sc, &req_craidset, sizeof(req_craidset), 891 reply, sizeof(reply)); 892 if (error != 0) 893 return error; 894 895 error = arc_fw_parse_status_code(sc, &reply[0]); 896 if (error) { 897 printf("%s: create raidset%d failed\n", 898 device_xname(&sc->sc_dev), bc->bc_volid); 899 return error; 900 } 901 902 /* 903 * At this point the raid set was created, so it's 904 * time to create the volume set. 905 */ 906 req_cvolset.cmdcode = ARC_FW_CREATE_VOLUME; 907 req_cvolset.raidset = bc->bc_volid; 908 req_cvolset.capacity = bc->bc_size * ARC_BLOCKSIZE; 909 910 /* 911 * Set the RAID level. 912 */ 913 switch (bc->bc_level) { 914 case 0: 915 case 1: 916 req_cvolset.raidlevel = bc->bc_level; 917 break; 918 case 3: 919 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_3; 920 break; 921 case 5: 922 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_5; 923 break; 924 case 6: 925 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_6; 926 break; 927 default: 928 return EOPNOTSUPP; 929 } 930 931 /* 932 * Set the stripe size. 933 */ 934 switch (bc->bc_stripe) { 935 case 4: 936 req_cvolset.stripe = 0; 937 break; 938 case 8: 939 req_cvolset.stripe = 1; 940 break; 941 case 16: 942 req_cvolset.stripe = 2; 943 break; 944 case 32: 945 req_cvolset.stripe = 3; 946 break; 947 case 64: 948 req_cvolset.stripe = 4; 949 break; 950 case 128: 951 req_cvolset.stripe = 5; 952 break; 953 default: 954 req_cvolset.stripe = 4; /* by default 64K */ 955 break; 956 } 957 958 req_cvolset.scsi_chan = bc->bc_channel; 959 req_cvolset.scsi_target = bc->bc_target; 960 req_cvolset.scsi_lun = bc->bc_lun; 961 req_cvolset.tagqueue = 1; /* always enabled */ 962 req_cvolset.cache = 1; /* always enabled */ 963 req_cvolset.speed = 4; /* always max speed */ 964 965 error = arc_msgbuf(sc, &req_cvolset, sizeof(req_cvolset), 966 reply, sizeof(reply)); 967 if (error != 0) 968 return error; 969 970 error = arc_fw_parse_status_code(sc, &reply[0]); 971 if (error) { 972 printf("%s: create volumeset%d failed\n", 973 device_xname(&sc->sc_dev), bc->bc_volid); 974 return error; 975 } 976 977 /* 978 * Do a rescan on the bus to attach the device associated 979 * with the new volume. 980 */ 981 scsibus_sc = device_private(sc->sc_scsibus_dv); 982 (void)scsi_probe_bus(scsibus_sc, bc->bc_target, bc->bc_lun); 983 984 break; 985 } 986 case BIOC_VREMOVE_VOLUME: 987 { 988 /* 989 * Remove the volume set specified in bc_volid. 990 */ 991 request[0] = ARC_FW_DELETE_VOLUME; 992 request[1] = bc->bc_volid; 993 error = arc_msgbuf(sc, request, sizeof(request), 994 reply, sizeof(reply)); 995 if (error != 0) 996 return error; 997 998 error = arc_fw_parse_status_code(sc, &reply[0]); 999 if (error) { 1000 printf("%s: delete volumeset%d failed\n", 1001 device_xname(&sc->sc_dev), bc->bc_volid); 1002 return error; 1003 } 1004 1005 /* 1006 * Detach the sd(4) device associated with the volume, 1007 * but if there's an error don't make it a priority. 1008 */ 1009 error = scsipi_target_detach(&sc->sc_chan, bc->bc_target, 1010 bc->bc_lun, 0); 1011 if (error) 1012 printf("%s: couldn't detach sd device for volume %d " 1013 "at %u:%u.%u (error=%d)\n", 1014 device_xname(&sc->sc_dev), bc->bc_volid, 1015 bc->bc_channel, bc->bc_target, bc->bc_lun, error); 1016 1017 /* 1018 * and remove the raid set specified in bc_volid, 1019 * we only care about volumes. 1020 */ 1021 request[0] = ARC_FW_DELETE_RAIDSET; 1022 request[1] = bc->bc_volid; 1023 error = arc_msgbuf(sc, request, sizeof(request), 1024 reply, sizeof(reply)); 1025 if (error != 0) 1026 return error; 1027 1028 error = arc_fw_parse_status_code(sc, &reply[0]); 1029 if (error) { 1030 printf("%s: delete raidset%d failed\n", 1031 device_xname(&sc->sc_dev), bc->bc_volid); 1032 return error; 1033 } 1034 1035 break; 1036 } 1037 default: 1038 return EOPNOTSUPP; 1039 } 1040 1041 return error; 1042 } 1043 1044 static int 1045 arc_bio_setstate(struct arc_softc *sc, struct bioc_setstate *bs) 1046 { 1047 /* for a hotspare disk */ 1048 struct request_hs { 1049 uint8_t cmdcode; 1050 uint32_t devmask; 1051 } __packed; 1052 1053 /* for a pass-through disk */ 1054 struct request_pt { 1055 uint8_t cmdcode; 1056 uint8_t devid; 1057 uint8_t scsi_chan; 1058 uint8_t scsi_id; 1059 uint8_t scsi_lun; 1060 uint8_t tagged_queue; 1061 uint8_t cache_mode; 1062 uint8_t max_speed; 1063 } __packed; 1064 1065 struct scsibus_softc *scsibus_sc = NULL; 1066 struct request_hs req_hs; /* to add/remove hotspare */ 1067 struct request_pt req_pt; /* to add a pass-through */ 1068 uint8_t req_gen[2]; 1069 uint8_t reply[1]; 1070 int error = 0; 1071 1072 switch (bs->bs_status) { 1073 case BIOC_SSHOTSPARE: 1074 { 1075 req_hs.cmdcode = ARC_FW_CREATE_HOTSPARE; 1076 req_hs.devmask = (1 << bs->bs_target); 1077 goto hotspare; 1078 } 1079 case BIOC_SSDELHOTSPARE: 1080 { 1081 req_hs.cmdcode = ARC_FW_DELETE_HOTSPARE; 1082 req_hs.devmask = (1 << bs->bs_target); 1083 goto hotspare; 1084 } 1085 case BIOC_SSPASSTHRU: 1086 { 1087 req_pt.cmdcode = ARC_FW_CREATE_PASSTHRU; 1088 req_pt.devid = bs->bs_other_id; /* this wants device# */ 1089 req_pt.scsi_chan = bs->bs_channel; 1090 req_pt.scsi_id = bs->bs_target; 1091 req_pt.scsi_lun = bs->bs_lun; 1092 req_pt.tagged_queue = 1; /* always enabled */ 1093 req_pt.cache_mode = 1; /* always enabled */ 1094 req_pt.max_speed = 4; /* always max speed */ 1095 1096 error = arc_msgbuf(sc, &req_pt, sizeof(req_pt), 1097 reply, sizeof(reply)); 1098 if (error != 0) 1099 return error; 1100 1101 /* 1102 * Do a rescan on the bus to attach the new device 1103 * associated with the pass-through disk. 1104 */ 1105 scsibus_sc = device_private(sc->sc_scsibus_dv); 1106 (void)scsi_probe_bus(scsibus_sc, bs->bs_target, bs->bs_lun); 1107 1108 goto out; 1109 } 1110 case BIOC_SSDELPASSTHRU: 1111 { 1112 req_gen[0] = ARC_FW_DELETE_PASSTHRU; 1113 req_gen[1] = bs->bs_target; 1114 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen), 1115 reply, sizeof(reply)); 1116 if (error != 0) 1117 return error; 1118 1119 /* 1120 * Detach the sd device associated with this pass-through disk. 1121 */ 1122 error = scsipi_target_detach(&sc->sc_chan, bs->bs_target, 1123 bs->bs_lun, 0); 1124 if (error) 1125 printf("%s: couldn't detach sd device for the " 1126 "pass-through disk at %u:%u.%u (error=%d)\n", 1127 device_xname(&sc->sc_dev), 1128 bs->bs_channel, bs->bs_target, bs->bs_lun, error); 1129 1130 goto out; 1131 } 1132 case BIOC_SSCHECKSTART_VOL: 1133 { 1134 req_gen[0] = ARC_FW_START_CHECKVOL; 1135 req_gen[1] = bs->bs_volid; 1136 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen), 1137 reply, sizeof(reply)); 1138 if (error != 0) 1139 return error; 1140 1141 goto out; 1142 } 1143 case BIOC_SSCHECKSTOP_VOL: 1144 { 1145 uint8_t req = ARC_FW_STOP_CHECKVOL; 1146 error = arc_msgbuf(sc, &req, 1, reply, sizeof(reply)); 1147 if (error != 0) 1148 return error; 1149 1150 goto out; 1151 } 1152 default: 1153 return EOPNOTSUPP; 1154 } 1155 1156 hotspare: 1157 error = arc_msgbuf(sc, &req_hs, sizeof(req_hs), 1158 reply, sizeof(reply)); 1159 if (error != 0) 1160 return error; 1161 1162 out: 1163 return arc_fw_parse_status_code(sc, &reply[0]); 1164 } 1165 1166 static int 1167 arc_bio_inq(struct arc_softc *sc, struct bioc_inq *bi) 1168 { 1169 uint8_t request[2]; 1170 struct arc_fw_sysinfo *sysinfo; 1171 struct arc_fw_raidinfo *raidinfo; 1172 int maxraidset, nvols = 0, i; 1173 int error = 0; 1174 1175 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP); 1176 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP); 1177 1178 request[0] = ARC_FW_SYSINFO; 1179 error = arc_msgbuf(sc, request, 1, sysinfo, 1180 sizeof(struct arc_fw_sysinfo)); 1181 if (error != 0) 1182 goto out; 1183 1184 maxraidset = sysinfo->max_raid_set; 1185 1186 request[0] = ARC_FW_RAIDINFO; 1187 for (i = 0; i < maxraidset; i++) { 1188 request[1] = i; 1189 error = arc_msgbuf(sc, request, sizeof(request), raidinfo, 1190 sizeof(struct arc_fw_raidinfo)); 1191 if (error != 0) 1192 goto out; 1193 1194 if (raidinfo->volumes) 1195 nvols++; 1196 } 1197 1198 strlcpy(bi->bi_dev, device_xname(&sc->sc_dev), sizeof(bi->bi_dev)); 1199 bi->bi_novol = nvols; 1200 bi->bi_nodisk = sc->sc_maxdisks; 1201 1202 out: 1203 kmem_free(raidinfo, sizeof(*raidinfo)); 1204 kmem_free(sysinfo, sizeof(*sysinfo)); 1205 return error; 1206 } 1207 1208 static int 1209 arc_bio_getvol(struct arc_softc *sc, int vol, struct arc_fw_volinfo *volinfo) 1210 { 1211 uint8_t request[2]; 1212 struct arc_fw_sysinfo *sysinfo; 1213 int error = 0; 1214 int maxvols, nvols = 0, i; 1215 1216 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP); 1217 1218 request[0] = ARC_FW_SYSINFO; 1219 error = arc_msgbuf(sc, request, 1, sysinfo, 1220 sizeof(struct arc_fw_sysinfo)); 1221 if (error != 0) 1222 goto out; 1223 1224 maxvols = sysinfo->max_volume_set; 1225 1226 request[0] = ARC_FW_VOLINFO; 1227 for (i = 0; i < maxvols; i++) { 1228 request[1] = i; 1229 error = arc_msgbuf(sc, request, sizeof(request), volinfo, 1230 sizeof(struct arc_fw_volinfo)); 1231 if (error != 0) 1232 goto out; 1233 1234 if (volinfo->capacity == 0 && volinfo->capacity2 == 0) 1235 continue; 1236 1237 if (nvols == vol) 1238 break; 1239 1240 nvols++; 1241 } 1242 1243 if (nvols != vol || 1244 (volinfo->capacity == 0 && volinfo->capacity2 == 0)) { 1245 error = ENODEV; 1246 goto out; 1247 } 1248 1249 out: 1250 kmem_free(sysinfo, sizeof(*sysinfo)); 1251 return error; 1252 } 1253 1254 static int 1255 arc_bio_vol(struct arc_softc *sc, struct bioc_vol *bv) 1256 { 1257 struct arc_fw_volinfo *volinfo; 1258 uint64_t blocks; 1259 uint32_t status; 1260 int error = 0; 1261 1262 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP); 1263 1264 error = arc_bio_getvol(sc, bv->bv_volid, volinfo); 1265 if (error != 0) 1266 goto out; 1267 1268 bv->bv_percent = -1; 1269 bv->bv_seconds = 0; 1270 1271 status = htole32(volinfo->volume_status); 1272 if (status == 0x0) { 1273 if (htole32(volinfo->fail_mask) == 0x0) 1274 bv->bv_status = BIOC_SVONLINE; 1275 else 1276 bv->bv_status = BIOC_SVDEGRADED; 1277 } else if (status & ARC_FW_VOL_STATUS_NEED_REGEN) { 1278 bv->bv_status = BIOC_SVDEGRADED; 1279 } else if (status & ARC_FW_VOL_STATUS_FAILED) { 1280 bv->bv_status = BIOC_SVOFFLINE; 1281 } else if (status & ARC_FW_VOL_STATUS_INITTING) { 1282 bv->bv_status = BIOC_SVBUILDING; 1283 bv->bv_percent = htole32(volinfo->progress); 1284 } else if (status & ARC_FW_VOL_STATUS_REBUILDING) { 1285 bv->bv_status = BIOC_SVREBUILD; 1286 bv->bv_percent = htole32(volinfo->progress); 1287 } else if (status & ARC_FW_VOL_STATUS_MIGRATING) { 1288 bv->bv_status = BIOC_SVMIGRATING; 1289 bv->bv_percent = htole32(volinfo->progress); 1290 } else if (status & ARC_FW_VOL_STATUS_CHECKING) { 1291 bv->bv_status = BIOC_SVCHECKING; 1292 bv->bv_percent = htole32(volinfo->progress); 1293 } 1294 1295 blocks = (uint64_t)htole32(volinfo->capacity2) << 32; 1296 blocks += (uint64_t)htole32(volinfo->capacity); 1297 bv->bv_size = blocks * ARC_BLOCKSIZE; /* XXX */ 1298 1299 switch (volinfo->raid_level) { 1300 case ARC_FW_VOL_RAIDLEVEL_0: 1301 bv->bv_level = 0; 1302 break; 1303 case ARC_FW_VOL_RAIDLEVEL_1: 1304 bv->bv_level = 1; 1305 break; 1306 case ARC_FW_VOL_RAIDLEVEL_3: 1307 bv->bv_level = 3; 1308 break; 1309 case ARC_FW_VOL_RAIDLEVEL_5: 1310 bv->bv_level = 5; 1311 break; 1312 case ARC_FW_VOL_RAIDLEVEL_6: 1313 bv->bv_level = 6; 1314 break; 1315 case ARC_FW_VOL_RAIDLEVEL_PASSTHRU: 1316 bv->bv_level = BIOC_SVOL_PASSTHRU; 1317 break; 1318 default: 1319 bv->bv_level = -1; 1320 break; 1321 } 1322 1323 bv->bv_nodisk = volinfo->member_disks; 1324 bv->bv_stripe_size = volinfo->stripe_size / 2; 1325 snprintf(bv->bv_dev, sizeof(bv->bv_dev), "sd%d", bv->bv_volid); 1326 scsipi_strvis(bv->bv_vendor, sizeof(bv->bv_vendor), volinfo->set_name, 1327 sizeof(volinfo->set_name)); 1328 1329 out: 1330 kmem_free(volinfo, sizeof(*volinfo)); 1331 return error; 1332 } 1333 1334 static int 1335 arc_bio_disk_novol(struct arc_softc *sc, struct bioc_disk *bd) 1336 { 1337 struct arc_fw_diskinfo *diskinfo; 1338 uint8_t request[2]; 1339 int error = 0; 1340 1341 diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP); 1342 1343 if (bd->bd_diskid > sc->sc_maxdisks) { 1344 error = ENODEV; 1345 goto out; 1346 } 1347 1348 request[0] = ARC_FW_DISKINFO; 1349 request[1] = bd->bd_diskid; 1350 error = arc_msgbuf(sc, request, sizeof(request), 1351 diskinfo, sizeof(struct arc_fw_diskinfo)); 1352 if (error != 0) 1353 return error; 1354 1355 /* skip disks with no capacity */ 1356 if (htole32(diskinfo->capacity) == 0 && 1357 htole32(diskinfo->capacity2) == 0) 1358 goto out; 1359 1360 bd->bd_disknovol = true; 1361 arc_bio_disk_filldata(sc, bd, diskinfo, bd->bd_diskid); 1362 1363 out: 1364 kmem_free(diskinfo, sizeof(*diskinfo)); 1365 return error; 1366 } 1367 1368 static void 1369 arc_bio_disk_filldata(struct arc_softc *sc, struct bioc_disk *bd, 1370 struct arc_fw_diskinfo *diskinfo, int diskid) 1371 { 1372 uint64_t blocks; 1373 char model[81]; 1374 char serial[41]; 1375 char rev[17]; 1376 1377 switch (htole32(diskinfo->device_state)) { 1378 case ARC_FW_DISK_PASSTHRU: 1379 bd->bd_status = BIOC_SDPASSTHRU; 1380 break; 1381 case ARC_FW_DISK_RAIDMEMBER: 1382 bd->bd_status = BIOC_SDONLINE; 1383 break; 1384 case ARC_FW_DISK_HOTSPARE: 1385 bd->bd_status = BIOC_SDHOTSPARE; 1386 break; 1387 case ARC_FW_DISK_UNUSED: 1388 bd->bd_status = BIOC_SDUNUSED; 1389 break; 1390 default: 1391 printf("%s: unknown disk device_state: 0x%x\n", __func__, 1392 htole32(diskinfo->device_state)); 1393 bd->bd_status = BIOC_SDINVALID; 1394 return; 1395 } 1396 1397 blocks = (uint64_t)htole32(diskinfo->capacity2) << 32; 1398 blocks += (uint64_t)htole32(diskinfo->capacity); 1399 bd->bd_size = blocks * ARC_BLOCKSIZE; /* XXX */ 1400 1401 scsipi_strvis(model, 81, diskinfo->model, sizeof(diskinfo->model)); 1402 scsipi_strvis(serial, 41, diskinfo->serial, sizeof(diskinfo->serial)); 1403 scsipi_strvis(rev, 17, diskinfo->firmware_rev, 1404 sizeof(diskinfo->firmware_rev)); 1405 1406 snprintf(bd->bd_vendor, sizeof(bd->bd_vendor), "%s %s", model, rev); 1407 strlcpy(bd->bd_serial, serial, sizeof(bd->bd_serial)); 1408 1409 #if 0 1410 bd->bd_channel = diskinfo->scsi_attr.channel; 1411 bd->bd_target = diskinfo->scsi_attr.target; 1412 bd->bd_lun = diskinfo->scsi_attr.lun; 1413 #endif 1414 1415 /* 1416 * the firwmare doesnt seem to fill scsi_attr in, so fake it with 1417 * the diskid. 1418 */ 1419 bd->bd_channel = 0; 1420 bd->bd_target = diskid; 1421 bd->bd_lun = 0; 1422 } 1423 1424 static int 1425 arc_bio_disk_volume(struct arc_softc *sc, struct bioc_disk *bd) 1426 { 1427 uint8_t request[2]; 1428 struct arc_fw_raidinfo *raidinfo; 1429 struct arc_fw_volinfo *volinfo; 1430 struct arc_fw_diskinfo *diskinfo; 1431 int error = 0; 1432 1433 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP); 1434 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP); 1435 diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP); 1436 1437 error = arc_bio_getvol(sc, bd->bd_volid, volinfo); 1438 if (error != 0) 1439 goto out; 1440 1441 request[0] = ARC_FW_RAIDINFO; 1442 request[1] = volinfo->raid_set_number; 1443 1444 error = arc_msgbuf(sc, request, sizeof(request), raidinfo, 1445 sizeof(struct arc_fw_raidinfo)); 1446 if (error != 0) 1447 goto out; 1448 1449 if (bd->bd_diskid > raidinfo->member_devices) { 1450 error = ENODEV; 1451 goto out; 1452 } 1453 1454 request[0] = ARC_FW_DISKINFO; 1455 request[1] = raidinfo->device_array[bd->bd_diskid]; 1456 error = arc_msgbuf(sc, request, sizeof(request), diskinfo, 1457 sizeof(struct arc_fw_diskinfo)); 1458 if (error != 0) 1459 goto out; 1460 1461 /* now fill our bio disk with data from the firmware */ 1462 arc_bio_disk_filldata(sc, bd, diskinfo, 1463 raidinfo->device_array[bd->bd_diskid]); 1464 1465 out: 1466 kmem_free(raidinfo, sizeof(*raidinfo)); 1467 kmem_free(volinfo, sizeof(*volinfo)); 1468 kmem_free(diskinfo, sizeof(*diskinfo)); 1469 return error; 1470 } 1471 #endif /* NBIO > 0 */ 1472 1473 uint8_t 1474 arc_msg_cksum(void *cmd, uint16_t len) 1475 { 1476 uint8_t *buf = cmd; 1477 uint8_t cksum; 1478 int i; 1479 1480 cksum = (uint8_t)(len >> 8) + (uint8_t)len; 1481 for (i = 0; i < len; i++) 1482 cksum += buf[i]; 1483 1484 return cksum; 1485 } 1486 1487 1488 int 1489 arc_msgbuf(struct arc_softc *sc, void *wptr, size_t wbuflen, void *rptr, 1490 size_t rbuflen) 1491 { 1492 uint8_t rwbuf[ARC_REG_IOC_RWBUF_MAXLEN]; 1493 uint8_t *wbuf, *rbuf; 1494 int wlen, wdone = 0, rlen, rdone = 0; 1495 struct arc_fw_bufhdr *bufhdr; 1496 uint32_t reg, rwlen; 1497 int error = 0; 1498 #ifdef ARC_DEBUG 1499 int i; 1500 #endif 1501 1502 wbuf = rbuf = NULL; 1503 1504 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wbuflen: %d rbuflen: %d\n", 1505 device_xname(&sc->sc_dev), wbuflen, rbuflen); 1506 1507 wlen = sizeof(struct arc_fw_bufhdr) + wbuflen + 1; /* 1 for cksum */ 1508 wbuf = kmem_alloc(wlen, KM_SLEEP); 1509 1510 rlen = sizeof(struct arc_fw_bufhdr) + rbuflen + 1; /* 1 for cksum */ 1511 rbuf = kmem_alloc(rlen, KM_SLEEP); 1512 1513 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wlen: %d rlen: %d\n", 1514 device_xname(&sc->sc_dev), wlen, rlen); 1515 1516 bufhdr = (struct arc_fw_bufhdr *)wbuf; 1517 bufhdr->hdr = arc_fw_hdr; 1518 bufhdr->len = htole16(wbuflen); 1519 memcpy(wbuf + sizeof(struct arc_fw_bufhdr), wptr, wbuflen); 1520 wbuf[wlen - 1] = arc_msg_cksum(wptr, wbuflen); 1521 1522 arc_lock(sc); 1523 if (arc_read(sc, ARC_REG_OUTB_DOORBELL) != 0) { 1524 error = EBUSY; 1525 goto out; 1526 } 1527 1528 reg = ARC_REG_OUTB_DOORBELL_READ_OK; 1529 1530 do { 1531 if ((reg & ARC_REG_OUTB_DOORBELL_READ_OK) && wdone < wlen) { 1532 memset(rwbuf, 0, sizeof(rwbuf)); 1533 rwlen = (wlen - wdone) % sizeof(rwbuf); 1534 memcpy(rwbuf, &wbuf[wdone], rwlen); 1535 1536 #ifdef ARC_DEBUG 1537 if (arcdebug & ARC_D_DB) { 1538 printf("%s: write %d:", 1539 device_xname(&sc->sc_dev), rwlen); 1540 for (i = 0; i < rwlen; i++) 1541 printf(" 0x%02x", rwbuf[i]); 1542 printf("\n"); 1543 } 1544 #endif 1545 1546 /* copy the chunk to the hw */ 1547 arc_write(sc, ARC_REG_IOC_WBUF_LEN, rwlen); 1548 arc_write_region(sc, ARC_REG_IOC_WBUF, rwbuf, 1549 sizeof(rwbuf)); 1550 1551 /* say we have a buffer for the hw */ 1552 arc_write(sc, ARC_REG_INB_DOORBELL, 1553 ARC_REG_INB_DOORBELL_WRITE_OK); 1554 1555 wdone += rwlen; 1556 } 1557 1558 while ((reg = arc_read(sc, ARC_REG_OUTB_DOORBELL)) == 0) 1559 arc_wait(sc); 1560 1561 arc_write(sc, ARC_REG_OUTB_DOORBELL, reg); 1562 1563 DNPRINTF(ARC_D_DB, "%s: reg: 0x%08x\n", 1564 device_xname(&sc->sc_dev), reg); 1565 1566 if ((reg & ARC_REG_OUTB_DOORBELL_WRITE_OK) && rdone < rlen) { 1567 rwlen = arc_read(sc, ARC_REG_IOC_RBUF_LEN); 1568 if (rwlen > sizeof(rwbuf)) { 1569 DNPRINTF(ARC_D_DB, "%s: rwlen too big\n", 1570 device_xname(&sc->sc_dev)); 1571 error = EIO; 1572 goto out; 1573 } 1574 1575 arc_read_region(sc, ARC_REG_IOC_RBUF, rwbuf, 1576 sizeof(rwbuf)); 1577 1578 arc_write(sc, ARC_REG_INB_DOORBELL, 1579 ARC_REG_INB_DOORBELL_READ_OK); 1580 1581 #ifdef ARC_DEBUG 1582 printf("%s: len: %d+%d=%d/%d\n", 1583 device_xname(&sc->sc_dev), 1584 rwlen, rdone, rwlen + rdone, rlen); 1585 if (arcdebug & ARC_D_DB) { 1586 printf("%s: read:", 1587 device_xname(&sc->sc_dev)); 1588 for (i = 0; i < rwlen; i++) 1589 printf(" 0x%02x", rwbuf[i]); 1590 printf("\n"); 1591 } 1592 #endif 1593 1594 if ((rdone + rwlen) > rlen) { 1595 DNPRINTF(ARC_D_DB, "%s: rwbuf too big\n", 1596 device_xname(&sc->sc_dev)); 1597 error = EIO; 1598 goto out; 1599 } 1600 1601 memcpy(&rbuf[rdone], rwbuf, rwlen); 1602 rdone += rwlen; 1603 } 1604 } while (rdone != rlen); 1605 1606 bufhdr = (struct arc_fw_bufhdr *)rbuf; 1607 if (memcmp(&bufhdr->hdr, &arc_fw_hdr, sizeof(bufhdr->hdr)) != 0 || 1608 bufhdr->len != htole16(rbuflen)) { 1609 DNPRINTF(ARC_D_DB, "%s: rbuf hdr is wrong\n", 1610 device_xname(&sc->sc_dev)); 1611 error = EIO; 1612 goto out; 1613 } 1614 1615 memcpy(rptr, rbuf + sizeof(struct arc_fw_bufhdr), rbuflen); 1616 1617 if (rbuf[rlen - 1] != arc_msg_cksum(rptr, rbuflen)) { 1618 DNPRINTF(ARC_D_DB, "%s: invalid cksum\n", 1619 device_xname(&sc->sc_dev)); 1620 error = EIO; 1621 goto out; 1622 } 1623 1624 out: 1625 arc_unlock(sc); 1626 kmem_free(wbuf, wlen); 1627 kmem_free(rbuf, rlen); 1628 1629 return error; 1630 } 1631 1632 void 1633 arc_lock(struct arc_softc *sc) 1634 { 1635 rw_enter(&sc->sc_rwlock, RW_WRITER); 1636 mutex_spin_enter(&sc->sc_mutex); 1637 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE); 1638 sc->sc_talking = 1; 1639 } 1640 1641 void 1642 arc_unlock(struct arc_softc *sc) 1643 { 1644 KASSERT(mutex_owned(&sc->sc_mutex)); 1645 1646 arc_write(sc, ARC_REG_INTRMASK, 1647 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL)); 1648 sc->sc_talking = 0; 1649 mutex_spin_exit(&sc->sc_mutex); 1650 rw_exit(&sc->sc_rwlock); 1651 } 1652 1653 void 1654 arc_wait(struct arc_softc *sc) 1655 { 1656 KASSERT(mutex_owned(&sc->sc_mutex)); 1657 1658 arc_write(sc, ARC_REG_INTRMASK, 1659 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL)); 1660 if (cv_timedwait(&sc->sc_condvar, &sc->sc_mutex, hz) == EWOULDBLOCK) 1661 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE); 1662 } 1663 1664 #if NBIO > 0 1665 static void 1666 arc_create_sensors(void *arg) 1667 { 1668 struct arc_softc *sc = arg; 1669 struct bioc_inq bi; 1670 struct bioc_vol bv; 1671 int i, j; 1672 size_t slen, count = 0; 1673 1674 memset(&bi, 0, sizeof(bi)); 1675 if (arc_bio_inq(sc, &bi) != 0) { 1676 aprint_error("%s: unable to query firmware for sensor info\n", 1677 device_xname(&sc->sc_dev)); 1678 kthread_exit(0); 1679 } 1680 1681 /* There's no point to continue if there are no volumes */ 1682 if (!bi.bi_novol) 1683 kthread_exit(0); 1684 1685 for (i = 0; i < bi.bi_novol; i++) { 1686 memset(&bv, 0, sizeof(bv)); 1687 bv.bv_volid = i; 1688 if (arc_bio_vol(sc, &bv) != 0) 1689 kthread_exit(0); 1690 1691 /* Skip passthrough volumes */ 1692 if (bv.bv_level == BIOC_SVOL_PASSTHRU) 1693 continue; 1694 1695 /* new volume found */ 1696 sc->sc_nsensors++; 1697 /* new disk in a volume found */ 1698 sc->sc_nsensors+= bv.bv_nodisk; 1699 } 1700 1701 sc->sc_sme = sysmon_envsys_create(); 1702 slen = sizeof(envsys_data_t) * sc->sc_nsensors; 1703 sc->sc_sensors = kmem_zalloc(slen, KM_SLEEP); 1704 1705 /* Attach sensors for volumes and disks */ 1706 for (i = 0; i < bi.bi_novol; i++) { 1707 memset(&bv, 0, sizeof(bv)); 1708 bv.bv_volid = i; 1709 if (arc_bio_vol(sc, &bv) != 0) 1710 goto bad; 1711 1712 sc->sc_sensors[count].units = ENVSYS_DRIVE; 1713 sc->sc_sensors[count].monitor = true; 1714 sc->sc_sensors[count].flags = ENVSYS_FMONSTCHANGED; 1715 1716 /* Skip passthrough volumes */ 1717 if (bv.bv_level == BIOC_SVOL_PASSTHRU) 1718 continue; 1719 1720 snprintf(sc->sc_sensors[count].desc, 1721 sizeof(sc->sc_sensors[count].desc), 1722 "RAID %d volume%d (%s)", bv.bv_level, i, bv.bv_dev); 1723 sc->sc_sensors[count].value_max = i; 1724 1725 if (sysmon_envsys_sensor_attach(sc->sc_sme, 1726 &sc->sc_sensors[count])) 1727 goto bad; 1728 1729 count++; 1730 1731 /* Attach disk sensors for this volume */ 1732 for (j = 0; j < bv.bv_nodisk; j++) { 1733 sc->sc_sensors[count].units = ENVSYS_DRIVE; 1734 sc->sc_sensors[count].monitor = true; 1735 sc->sc_sensors[count].flags = ENVSYS_FMONSTCHANGED; 1736 1737 snprintf(sc->sc_sensors[count].desc, 1738 sizeof(sc->sc_sensors[count].desc), 1739 "disk%d volume%d (%s)", j, i, bv.bv_dev); 1740 sc->sc_sensors[count].value_max = i; 1741 sc->sc_sensors[count].value_avg = j + 10; 1742 1743 if (sysmon_envsys_sensor_attach(sc->sc_sme, 1744 &sc->sc_sensors[count])) 1745 goto bad; 1746 1747 count++; 1748 } 1749 } 1750 1751 /* 1752 * Register our envsys driver with the framework now that the 1753 * sensors were all attached. 1754 */ 1755 sc->sc_sme->sme_name = device_xname(&sc->sc_dev); 1756 sc->sc_sme->sme_cookie = sc; 1757 sc->sc_sme->sme_refresh = arc_refresh_sensors; 1758 1759 if (sysmon_envsys_register(sc->sc_sme)) { 1760 aprint_debug("%s: unable to register with sysmon\n", 1761 device_xname(&sc->sc_dev)); 1762 goto bad; 1763 } 1764 kthread_exit(0); 1765 1766 bad: 1767 kmem_free(sc->sc_sensors, slen); 1768 sysmon_envsys_destroy(sc->sc_sme); 1769 kthread_exit(0); 1770 } 1771 1772 static void 1773 arc_refresh_sensors(struct sysmon_envsys *sme, envsys_data_t *edata) 1774 { 1775 struct arc_softc *sc = sme->sme_cookie; 1776 struct bioc_vol bv; 1777 struct bioc_disk bd; 1778 1779 /* sanity check */ 1780 if (edata->units != ENVSYS_DRIVE) 1781 return; 1782 1783 memset(&bv, 0, sizeof(bv)); 1784 bv.bv_volid = edata->value_max; 1785 1786 if (arc_bio_vol(sc, &bv)) { 1787 edata->value_cur = ENVSYS_DRIVE_EMPTY; 1788 edata->state = ENVSYS_SINVALID; 1789 return; 1790 } 1791 1792 /* Current sensor is handling a disk volume member */ 1793 if (edata->value_avg) { 1794 memset(&bd, 0, sizeof(bd)); 1795 bd.bd_volid = edata->value_max; 1796 bd.bd_diskid = edata->value_avg - 10; 1797 1798 if (arc_bio_disk_volume(sc, &bd)) { 1799 edata->value_cur = ENVSYS_DRIVE_EMPTY; 1800 edata->state = ENVSYS_SINVALID; 1801 return; 1802 } 1803 1804 switch (bd.bd_status) { 1805 case BIOC_SDONLINE: 1806 edata->value_cur = ENVSYS_DRIVE_ONLINE; 1807 edata->state = ENVSYS_SVALID; 1808 break; 1809 case BIOC_SDOFFLINE: 1810 edata->value_cur = ENVSYS_DRIVE_OFFLINE; 1811 edata->state = ENVSYS_SCRITICAL; 1812 break; 1813 default: 1814 edata->value_cur = ENVSYS_DRIVE_EMPTY; 1815 edata->state = ENVSYS_SCRITICAL; 1816 break; 1817 } 1818 1819 return; 1820 } 1821 1822 /* Current sensor is handling a volume */ 1823 switch (bv.bv_status) { 1824 case BIOC_SVOFFLINE: 1825 edata->value_cur = ENVSYS_DRIVE_FAIL; 1826 edata->state = ENVSYS_SCRITICAL; 1827 break; 1828 case BIOC_SVDEGRADED: 1829 edata->value_cur = ENVSYS_DRIVE_PFAIL; 1830 edata->state = ENVSYS_SCRITICAL; 1831 break; 1832 case BIOC_SVBUILDING: 1833 edata->value_cur = ENVSYS_DRIVE_BUILD; 1834 edata->state = ENVSYS_SVALID; 1835 break; 1836 case BIOC_SVMIGRATING: 1837 edata->value_cur = ENVSYS_DRIVE_MIGRATING; 1838 edata->state = ENVSYS_SVALID; 1839 break; 1840 case BIOC_SVCHECKING: 1841 edata->value_cur = ENVSYS_DRIVE_CHECK; 1842 edata->state = ENVSYS_SVALID; 1843 break; 1844 case BIOC_SVSCRUB: 1845 case BIOC_SVONLINE: 1846 edata->value_cur = ENVSYS_DRIVE_ONLINE; 1847 edata->state = ENVSYS_SVALID; 1848 break; 1849 case BIOC_SVINVALID: 1850 /* FALLTHROUGH */ 1851 default: 1852 edata->value_cur = ENVSYS_DRIVE_EMPTY; /* unknown state */ 1853 edata->state = ENVSYS_SINVALID; 1854 break; 1855 } 1856 } 1857 #endif /* NBIO > 0 */ 1858 1859 uint32_t 1860 arc_read(struct arc_softc *sc, bus_size_t r) 1861 { 1862 uint32_t v; 1863 1864 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, 1865 BUS_SPACE_BARRIER_READ); 1866 v = bus_space_read_4(sc->sc_iot, sc->sc_ioh, r); 1867 1868 DNPRINTF(ARC_D_RW, "%s: arc_read 0x%lx 0x%08x\n", 1869 device_xname(&sc->sc_dev), r, v); 1870 1871 return v; 1872 } 1873 1874 void 1875 arc_read_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len) 1876 { 1877 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len, 1878 BUS_SPACE_BARRIER_READ); 1879 bus_space_read_region_4(sc->sc_iot, sc->sc_ioh, r, 1880 (uint32_t *)buf, len >> 2); 1881 } 1882 1883 void 1884 arc_write(struct arc_softc *sc, bus_size_t r, uint32_t v) 1885 { 1886 DNPRINTF(ARC_D_RW, "%s: arc_write 0x%lx 0x%08x\n", 1887 device_xname(&sc->sc_dev), r, v); 1888 1889 bus_space_write_4(sc->sc_iot, sc->sc_ioh, r, v); 1890 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, 1891 BUS_SPACE_BARRIER_WRITE); 1892 } 1893 1894 void 1895 arc_write_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len) 1896 { 1897 bus_space_write_region_4(sc->sc_iot, sc->sc_ioh, r, 1898 (const uint32_t *)buf, len >> 2); 1899 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len, 1900 BUS_SPACE_BARRIER_WRITE); 1901 } 1902 1903 int 1904 arc_wait_eq(struct arc_softc *sc, bus_size_t r, uint32_t mask, 1905 uint32_t target) 1906 { 1907 int i; 1908 1909 DNPRINTF(ARC_D_RW, "%s: arc_wait_eq 0x%lx 0x%08x 0x%08x\n", 1910 device_xname(&sc->sc_dev), r, mask, target); 1911 1912 for (i = 0; i < 10000; i++) { 1913 if ((arc_read(sc, r) & mask) == target) 1914 return 0; 1915 delay(1000); 1916 } 1917 1918 return 1; 1919 } 1920 1921 int 1922 arc_wait_ne(struct arc_softc *sc, bus_size_t r, uint32_t mask, 1923 uint32_t target) 1924 { 1925 int i; 1926 1927 DNPRINTF(ARC_D_RW, "%s: arc_wait_ne 0x%lx 0x%08x 0x%08x\n", 1928 device_xname(&sc->sc_dev), r, mask, target); 1929 1930 for (i = 0; i < 10000; i++) { 1931 if ((arc_read(sc, r) & mask) != target) 1932 return 0; 1933 delay(1000); 1934 } 1935 1936 return 1; 1937 } 1938 1939 int 1940 arc_msg0(struct arc_softc *sc, uint32_t m) 1941 { 1942 /* post message */ 1943 arc_write(sc, ARC_REG_INB_MSG0, m); 1944 /* wait for the fw to do it */ 1945 if (arc_wait_eq(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0, 1946 ARC_REG_INTRSTAT_MSG0) != 0) 1947 return 1; 1948 1949 /* ack it */ 1950 arc_write(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0); 1951 1952 return 0; 1953 } 1954 1955 struct arc_dmamem * 1956 arc_dmamem_alloc(struct arc_softc *sc, size_t size) 1957 { 1958 struct arc_dmamem *adm; 1959 int nsegs; 1960 1961 adm = kmem_zalloc(sizeof(*adm), KM_NOSLEEP); 1962 if (adm == NULL) 1963 return NULL; 1964 1965 adm->adm_size = size; 1966 1967 if (bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, 1968 BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW, &adm->adm_map) != 0) 1969 goto admfree; 1970 1971 if (bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &adm->adm_seg, 1972 1, &nsegs, BUS_DMA_NOWAIT) != 0) 1973 goto destroy; 1974 1975 if (bus_dmamem_map(sc->sc_dmat, &adm->adm_seg, nsegs, size, 1976 &adm->adm_kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT) != 0) 1977 goto free; 1978 1979 if (bus_dmamap_load(sc->sc_dmat, adm->adm_map, adm->adm_kva, size, 1980 NULL, BUS_DMA_NOWAIT) != 0) 1981 goto unmap; 1982 1983 memset(adm->adm_kva, 0, size); 1984 1985 return adm; 1986 1987 unmap: 1988 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, size); 1989 free: 1990 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1); 1991 destroy: 1992 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map); 1993 admfree: 1994 kmem_free(adm, sizeof(*adm)); 1995 1996 return NULL; 1997 } 1998 1999 void 2000 arc_dmamem_free(struct arc_softc *sc, struct arc_dmamem *adm) 2001 { 2002 bus_dmamap_unload(sc->sc_dmat, adm->adm_map); 2003 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, adm->adm_size); 2004 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1); 2005 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map); 2006 kmem_free(adm, sizeof(*adm)); 2007 } 2008 2009 int 2010 arc_alloc_ccbs(struct arc_softc *sc) 2011 { 2012 struct arc_ccb *ccb; 2013 uint8_t *cmd; 2014 int i; 2015 size_t ccbslen; 2016 2017 TAILQ_INIT(&sc->sc_ccb_free); 2018 2019 ccbslen = sizeof(struct arc_ccb) * sc->sc_req_count; 2020 sc->sc_ccbs = kmem_zalloc(ccbslen, KM_SLEEP); 2021 2022 sc->sc_requests = arc_dmamem_alloc(sc, 2023 ARC_MAX_IOCMDLEN * sc->sc_req_count); 2024 if (sc->sc_requests == NULL) { 2025 aprint_error("%s: unable to allocate ccb dmamem\n", 2026 device_xname(&sc->sc_dev)); 2027 goto free_ccbs; 2028 } 2029 cmd = ARC_DMA_KVA(sc->sc_requests); 2030 2031 for (i = 0; i < sc->sc_req_count; i++) { 2032 ccb = &sc->sc_ccbs[i]; 2033 2034 if (bus_dmamap_create(sc->sc_dmat, MAXPHYS, ARC_SGL_MAXLEN, 2035 MAXPHYS, 0, 0, &ccb->ccb_dmamap) != 0) { 2036 aprint_error("%s: unable to create dmamap for ccb %d\n", 2037 device_xname(&sc->sc_dev), i); 2038 goto free_maps; 2039 } 2040 2041 ccb->ccb_sc = sc; 2042 ccb->ccb_id = i; 2043 ccb->ccb_offset = ARC_MAX_IOCMDLEN * i; 2044 2045 ccb->ccb_cmd = (struct arc_io_cmd *)&cmd[ccb->ccb_offset]; 2046 ccb->ccb_cmd_post = (ARC_DMA_DVA(sc->sc_requests) + 2047 ccb->ccb_offset) >> ARC_REG_POST_QUEUE_ADDR_SHIFT; 2048 2049 arc_put_ccb(sc, ccb); 2050 } 2051 2052 return 0; 2053 2054 free_maps: 2055 while ((ccb = arc_get_ccb(sc)) != NULL) 2056 bus_dmamap_destroy(sc->sc_dmat, ccb->ccb_dmamap); 2057 arc_dmamem_free(sc, sc->sc_requests); 2058 2059 free_ccbs: 2060 kmem_free(sc->sc_ccbs, ccbslen); 2061 2062 return 1; 2063 } 2064 2065 struct arc_ccb * 2066 arc_get_ccb(struct arc_softc *sc) 2067 { 2068 struct arc_ccb *ccb; 2069 2070 ccb = TAILQ_FIRST(&sc->sc_ccb_free); 2071 if (ccb != NULL) 2072 TAILQ_REMOVE(&sc->sc_ccb_free, ccb, ccb_link); 2073 2074 return ccb; 2075 } 2076 2077 void 2078 arc_put_ccb(struct arc_softc *sc, struct arc_ccb *ccb) 2079 { 2080 ccb->ccb_xs = NULL; 2081 memset(ccb->ccb_cmd, 0, ARC_MAX_IOCMDLEN); 2082 TAILQ_INSERT_TAIL(&sc->sc_ccb_free, ccb, ccb_link); 2083 } 2084
Indexes created Mon Sep 29 03:10:08 GMT 2025