| 1 | /* $NetBSD: arcmsr.c,v 1.36 2016/06/19 21:12:44 dholland Exp $ */ |
| 2 | /* $OpenBSD: arc.c,v 1.68 2007/10/27 03:28:27 dlg Exp $ */ |
| 3 | |
| 4 | /* |
| 5 | * Copyright (c) 2007, 2008 Juan Romero Pardines <xtraeme@netbsd.org> |
| 6 | * Copyright (c) 2006 David Gwynne <dlg@openbsd.org> |
| 7 | * |
| 8 | * Permission to use, copy, modify, and distribute this software for any |
| 9 | * purpose with or without fee is hereby granted, provided that the above |
| 10 | * copyright notice and this permission notice appear in all copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 13 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 14 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 15 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 16 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 17 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 18 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 19 | */ |
| 20 | |
| 21 | #include "bio.h" |
| 22 | |
| 23 | #include <sys/cdefs.h> |
| 24 | __KERNEL_RCSID(0, "$NetBSD: arcmsr.c,v 1.36 2016/06/19 21:12:44 dholland Exp $" ); |
| 25 | |
| 26 | #include <sys/param.h> |
| 27 | #include <sys/buf.h> |
| 28 | #include <sys/kernel.h> |
| 29 | #include <sys/malloc.h> |
| 30 | #include <sys/device.h> |
| 31 | #include <sys/kmem.h> |
| 32 | #include <sys/kthread.h> |
| 33 | #include <sys/mutex.h> |
| 34 | #include <sys/condvar.h> |
| 35 | #include <sys/rwlock.h> |
| 36 | |
| 37 | #if NBIO > 0 |
| 38 | #include <sys/ioctl.h> |
| 39 | #include <dev/biovar.h> |
| 40 | #endif |
| 41 | |
| 42 | #include <dev/pci/pcireg.h> |
| 43 | #include <dev/pci/pcivar.h> |
| 44 | #include <dev/pci/pcidevs.h> |
| 45 | |
| 46 | #include <dev/scsipi/scsipi_all.h> |
| 47 | #include <dev/scsipi/scsi_all.h> |
| 48 | #include <dev/scsipi/scsiconf.h> |
| 49 | |
| 50 | #include <dev/sysmon/sysmonvar.h> |
| 51 | |
| 52 | #include <sys/bus.h> |
| 53 | |
| 54 | #include <dev/pci/arcmsrvar.h> |
| 55 | |
| 56 | /* #define ARC_DEBUG */ |
| 57 | #ifdef ARC_DEBUG |
| 58 | #define ARC_D_INIT (1<<0) |
| 59 | #define ARC_D_RW (1<<1) |
| 60 | #define ARC_D_DB (1<<2) |
| 61 | |
| 62 | int arcdebug = 0; |
| 63 | |
| 64 | #define DPRINTF(p...) do { if (arcdebug) printf(p); } while (0) |
| 65 | #define DNPRINTF(n, p...) do { if ((n) & arcdebug) printf(p); } while (0) |
| 66 | |
| 67 | #else |
| 68 | #define DPRINTF(p, ...) /* p */ |
| 69 | #define DNPRINTF(n, p, ...) /* n, p */ |
| 70 | #endif |
| 71 | |
| 72 | /* |
| 73 | * the fw header must always equal this. |
| 74 | */ |
| 75 | #if NBIO > 0 |
| 76 | static struct arc_fw_hdr arc_fw_hdr = { 0x5e, 0x01, 0x61 }; |
| 77 | #endif |
| 78 | |
| 79 | /* |
| 80 | * autoconf(9) glue. |
| 81 | */ |
| 82 | static int arc_match(device_t, cfdata_t, void *); |
| 83 | static void arc_attach(device_t, device_t, void *); |
| 84 | static int arc_detach(device_t, int); |
| 85 | static bool arc_shutdown(device_t, int); |
| 86 | static int arc_intr(void *); |
| 87 | static void arc_minphys(struct buf *); |
| 88 | |
| 89 | CFATTACH_DECL_NEW(arcmsr, sizeof(struct arc_softc), |
| 90 | arc_match, arc_attach, arc_detach, NULL); |
| 91 | |
| 92 | /* |
| 93 | * bio(4) and sysmon_envsys(9) glue. |
| 94 | */ |
| 95 | #if NBIO > 0 |
| 96 | static int arc_bioctl(device_t, u_long, void *); |
| 97 | static int arc_bio_inq(struct arc_softc *, struct bioc_inq *); |
| 98 | static int arc_bio_vol(struct arc_softc *, struct bioc_vol *); |
| 99 | static int arc_bio_disk_volume(struct arc_softc *, struct bioc_disk *); |
| 100 | static int arc_bio_disk_novol(struct arc_softc *, struct bioc_disk *); |
| 101 | static void arc_bio_disk_filldata(struct arc_softc *, struct bioc_disk *, |
| 102 | struct arc_fw_diskinfo *, int); |
| 103 | static int arc_bio_alarm(struct arc_softc *, struct bioc_alarm *); |
| 104 | static int arc_bio_alarm_state(struct arc_softc *, struct bioc_alarm *); |
| 105 | static int arc_bio_getvol(struct arc_softc *, int, |
| 106 | struct arc_fw_volinfo *); |
| 107 | static int arc_bio_setstate(struct arc_softc *, struct bioc_setstate *); |
| 108 | static int arc_bio_volops(struct arc_softc *, struct bioc_volops *); |
| 109 | static void arc_create_sensors(void *); |
| 110 | static void arc_refresh_sensors(struct sysmon_envsys *, envsys_data_t *); |
| 111 | static int arc_fw_parse_status_code(struct arc_softc *, uint8_t *); |
| 112 | #endif |
| 113 | |
| 114 | /* |
| 115 | * interface for scsi midlayer to talk to. |
| 116 | */ |
| 117 | static void arc_scsi_cmd(struct scsipi_channel *, scsipi_adapter_req_t, |
| 118 | void *); |
| 119 | |
| 120 | /* |
| 121 | * code to deal with getting bits in and out of the bus space. |
| 122 | */ |
| 123 | static uint32_t arc_read(struct arc_softc *, bus_size_t); |
| 124 | static void arc_read_region(struct arc_softc *, bus_size_t, void *, |
| 125 | size_t); |
| 126 | static void arc_write(struct arc_softc *, bus_size_t, uint32_t); |
| 127 | #if NBIO > 0 |
| 128 | static void arc_write_region(struct arc_softc *, bus_size_t, void *, |
| 129 | size_t); |
| 130 | #endif |
| 131 | static int arc_wait_eq(struct arc_softc *, bus_size_t, uint32_t, |
| 132 | uint32_t); |
| 133 | #ifdef unused |
| 134 | static int arc_wait_ne(struct arc_softc *, bus_size_t, uint32_t, |
| 135 | uint32_t); |
| 136 | #endif |
| 137 | static int arc_msg0(struct arc_softc *, uint32_t); |
| 138 | static struct arc_dmamem *arc_dmamem_alloc(struct arc_softc *, size_t); |
| 139 | static void arc_dmamem_free(struct arc_softc *, |
| 140 | struct arc_dmamem *); |
| 141 | |
| 142 | static int arc_alloc_ccbs(device_t); |
| 143 | static struct arc_ccb *arc_get_ccb(struct arc_softc *); |
| 144 | static void arc_put_ccb(struct arc_softc *, struct arc_ccb *); |
| 145 | static int arc_load_xs(struct arc_ccb *); |
| 146 | static int arc_complete(struct arc_softc *, struct arc_ccb *, int); |
| 147 | static void arc_scsi_cmd_done(struct arc_softc *, struct arc_ccb *, |
| 148 | uint32_t); |
| 149 | |
| 150 | /* |
| 151 | * real stuff for dealing with the hardware. |
| 152 | */ |
| 153 | static int arc_map_pci_resources(device_t, struct pci_attach_args *); |
| 154 | static void arc_unmap_pci_resources(struct arc_softc *); |
| 155 | static int arc_query_firmware(device_t); |
| 156 | |
| 157 | /* |
| 158 | * stuff to do messaging via the doorbells. |
| 159 | */ |
| 160 | #if NBIO > 0 |
| 161 | static void arc_lock(struct arc_softc *); |
| 162 | static void arc_unlock(struct arc_softc *); |
| 163 | static void arc_wait(struct arc_softc *); |
| 164 | static uint8_t arc_msg_cksum(void *, uint16_t); |
| 165 | static int arc_msgbuf(struct arc_softc *, void *, size_t, void *, size_t); |
| 166 | #endif |
| 167 | |
| 168 | #define arc_push(_s, _r) arc_write((_s), ARC_REG_POST_QUEUE, (_r)) |
| 169 | #define arc_pop(_s) arc_read((_s), ARC_REG_REPLY_QUEUE) |
| 170 | |
| 171 | static int |
| 172 | arc_match(device_t parent, cfdata_t match, void *aux) |
| 173 | { |
| 174 | struct pci_attach_args *pa = aux; |
| 175 | |
| 176 | if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ARECA) { |
| 177 | switch (PCI_PRODUCT(pa->pa_id)) { |
| 178 | case PCI_PRODUCT_ARECA_ARC1110: |
| 179 | case PCI_PRODUCT_ARECA_ARC1120: |
| 180 | case PCI_PRODUCT_ARECA_ARC1130: |
| 181 | case PCI_PRODUCT_ARECA_ARC1160: |
| 182 | case PCI_PRODUCT_ARECA_ARC1170: |
| 183 | case PCI_PRODUCT_ARECA_ARC1200: |
| 184 | case PCI_PRODUCT_ARECA_ARC1202: |
| 185 | case PCI_PRODUCT_ARECA_ARC1210: |
| 186 | case PCI_PRODUCT_ARECA_ARC1220: |
| 187 | case PCI_PRODUCT_ARECA_ARC1230: |
| 188 | case PCI_PRODUCT_ARECA_ARC1260: |
| 189 | case PCI_PRODUCT_ARECA_ARC1270: |
| 190 | case PCI_PRODUCT_ARECA_ARC1280: |
| 191 | case PCI_PRODUCT_ARECA_ARC1380: |
| 192 | case PCI_PRODUCT_ARECA_ARC1381: |
| 193 | case PCI_PRODUCT_ARECA_ARC1680: |
| 194 | case PCI_PRODUCT_ARECA_ARC1681: |
| 195 | return 1; |
| 196 | default: |
| 197 | break; |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | return 0; |
| 202 | } |
| 203 | |
| 204 | static void |
| 205 | arc_attach(device_t parent, device_t self, void *aux) |
| 206 | { |
| 207 | struct arc_softc *sc = device_private(self); |
| 208 | struct pci_attach_args *pa = aux; |
| 209 | struct scsipi_adapter *adapt = &sc->sc_adapter; |
| 210 | struct scsipi_channel *chan = &sc->sc_chan; |
| 211 | |
| 212 | sc->sc_dev = self; |
| 213 | sc->sc_talking = 0; |
| 214 | rw_init(&sc->sc_rwlock); |
| 215 | mutex_init(&sc->sc_mutex, MUTEX_DEFAULT, IPL_BIO); |
| 216 | cv_init(&sc->sc_condvar, "arcdb" ); |
| 217 | |
| 218 | if (arc_map_pci_resources(self, pa) != 0) { |
| 219 | /* error message printed by arc_map_pci_resources */ |
| 220 | return; |
| 221 | } |
| 222 | |
| 223 | if (arc_query_firmware(self) != 0) { |
| 224 | /* error message printed by arc_query_firmware */ |
| 225 | goto unmap_pci; |
| 226 | } |
| 227 | |
| 228 | if (arc_alloc_ccbs(self) != 0) { |
| 229 | /* error message printed by arc_alloc_ccbs */ |
| 230 | goto unmap_pci; |
| 231 | } |
| 232 | |
| 233 | if (!pmf_device_register1(self, NULL, NULL, arc_shutdown)) |
| 234 | panic("%s: couldn't establish shutdown handler\n" , |
| 235 | device_xname(self)); |
| 236 | |
| 237 | memset(adapt, 0, sizeof(*adapt)); |
| 238 | adapt->adapt_dev = self; |
| 239 | adapt->adapt_nchannels = 1; |
| 240 | adapt->adapt_openings = sc->sc_req_count / ARC_MAX_TARGET; |
| 241 | adapt->adapt_max_periph = adapt->adapt_openings; |
| 242 | adapt->adapt_minphys = arc_minphys; |
| 243 | adapt->adapt_request = arc_scsi_cmd; |
| 244 | |
| 245 | memset(chan, 0, sizeof(*chan)); |
| 246 | chan->chan_adapter = adapt; |
| 247 | chan->chan_bustype = &scsi_bustype; |
| 248 | chan->chan_nluns = ARC_MAX_LUN; |
| 249 | chan->chan_ntargets = ARC_MAX_TARGET; |
| 250 | chan->chan_id = ARC_MAX_TARGET; |
| 251 | chan->chan_flags = SCSIPI_CHAN_NOSETTLE; |
| 252 | |
| 253 | /* |
| 254 | * Save the device_t returned, because we could to attach |
| 255 | * devices via the management interface. |
| 256 | */ |
| 257 | sc->sc_scsibus_dv = config_found(self, &sc->sc_chan, scsiprint); |
| 258 | |
| 259 | /* enable interrupts */ |
| 260 | arc_write(sc, ARC_REG_INTRMASK, |
| 261 | ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRSTAT_DOORBELL)); |
| 262 | |
| 263 | #if NBIO > 0 |
| 264 | /* |
| 265 | * Register the driver to bio(4) and setup the sensors. |
| 266 | */ |
| 267 | if (bio_register(self, arc_bioctl) != 0) |
| 268 | panic("%s: bioctl registration failed\n" , device_xname(self)); |
| 269 | |
| 270 | /* |
| 271 | * you need to talk to the firmware to get volume info. our firmware |
| 272 | * interface relies on being able to sleep, so we need to use a thread |
| 273 | * to do the work. |
| 274 | */ |
| 275 | if (kthread_create(PRI_NONE, KTHREAD_MPSAFE, NULL, |
| 276 | arc_create_sensors, sc, &sc->sc_lwp, "arcmsr_sensors" ) != 0) |
| 277 | panic("%s: unable to create a kernel thread for sensors\n" , |
| 278 | device_xname(self)); |
| 279 | #endif |
| 280 | |
| 281 | return; |
| 282 | |
| 283 | unmap_pci: |
| 284 | arc_unmap_pci_resources(sc); |
| 285 | } |
| 286 | |
| 287 | static int |
| 288 | arc_detach(device_t self, int flags) |
| 289 | { |
| 290 | struct arc_softc *sc = device_private(self); |
| 291 | |
| 292 | if (arc_msg0(sc, ARC_REG_INB_MSG0_STOP_BGRB) != 0) |
| 293 | aprint_error_dev(self, "timeout waiting to stop bg rebuild\n" ); |
| 294 | |
| 295 | if (arc_msg0(sc, ARC_REG_INB_MSG0_FLUSH_CACHE) != 0) |
| 296 | aprint_error_dev(self, "timeout waiting to flush cache\n" ); |
| 297 | |
| 298 | if (sc->sc_sme != NULL) |
| 299 | sysmon_envsys_unregister(sc->sc_sme); |
| 300 | |
| 301 | return 0; |
| 302 | } |
| 303 | |
| 304 | static bool |
| 305 | arc_shutdown(device_t self, int how) |
| 306 | { |
| 307 | struct arc_softc *sc = device_private(self); |
| 308 | |
| 309 | if (arc_msg0(sc, ARC_REG_INB_MSG0_STOP_BGRB) != 0) |
| 310 | aprint_error_dev(self, "timeout waiting to stop bg rebuild\n" ); |
| 311 | |
| 312 | if (arc_msg0(sc, ARC_REG_INB_MSG0_FLUSH_CACHE) != 0) |
| 313 | aprint_error_dev(self, "timeout waiting to flush cache\n" ); |
| 314 | |
| 315 | return true; |
| 316 | } |
| 317 | |
| 318 | static void |
| 319 | arc_minphys(struct buf *bp) |
| 320 | { |
| 321 | if (bp->b_bcount > MAXPHYS) |
| 322 | bp->b_bcount = MAXPHYS; |
| 323 | minphys(bp); |
| 324 | } |
| 325 | |
| 326 | static int |
| 327 | arc_intr(void *arg) |
| 328 | { |
| 329 | struct arc_softc *sc = arg; |
| 330 | struct arc_ccb *ccb = NULL; |
| 331 | char *kva = ARC_DMA_KVA(sc->sc_requests); |
| 332 | struct arc_io_cmd *cmd; |
| 333 | uint32_t reg, intrstat; |
| 334 | |
| 335 | mutex_spin_enter(&sc->sc_mutex); |
| 336 | intrstat = arc_read(sc, ARC_REG_INTRSTAT); |
| 337 | if (intrstat == 0x0) { |
| 338 | mutex_spin_exit(&sc->sc_mutex); |
| 339 | return 0; |
| 340 | } |
| 341 | |
| 342 | intrstat &= ARC_REG_INTRSTAT_POSTQUEUE | ARC_REG_INTRSTAT_DOORBELL; |
| 343 | arc_write(sc, ARC_REG_INTRSTAT, intrstat); |
| 344 | |
| 345 | if (intrstat & ARC_REG_INTRSTAT_DOORBELL) { |
| 346 | if (sc->sc_talking) { |
| 347 | arc_write(sc, ARC_REG_INTRMASK, |
| 348 | ~ARC_REG_INTRMASK_POSTQUEUE); |
| 349 | cv_broadcast(&sc->sc_condvar); |
| 350 | } else { |
| 351 | /* otherwise drop it */ |
| 352 | reg = arc_read(sc, ARC_REG_OUTB_DOORBELL); |
| 353 | arc_write(sc, ARC_REG_OUTB_DOORBELL, reg); |
| 354 | if (reg & ARC_REG_OUTB_DOORBELL_WRITE_OK) |
| 355 | arc_write(sc, ARC_REG_INB_DOORBELL, |
| 356 | ARC_REG_INB_DOORBELL_READ_OK); |
| 357 | } |
| 358 | } |
| 359 | mutex_spin_exit(&sc->sc_mutex); |
| 360 | |
| 361 | while ((reg = arc_pop(sc)) != 0xffffffff) { |
| 362 | cmd = (struct arc_io_cmd *)(kva + |
| 363 | ((reg << ARC_REG_REPLY_QUEUE_ADDR_SHIFT) - |
| 364 | (uint32_t)ARC_DMA_DVA(sc->sc_requests))); |
| 365 | ccb = &sc->sc_ccbs[htole32(cmd->cmd.context)]; |
| 366 | |
| 367 | bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), |
| 368 | ccb->ccb_offset, ARC_MAX_IOCMDLEN, |
| 369 | BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); |
| 370 | |
| 371 | arc_scsi_cmd_done(sc, ccb, reg); |
| 372 | } |
| 373 | |
| 374 | |
| 375 | return 1; |
| 376 | } |
| 377 | |
| 378 | void |
| 379 | arc_scsi_cmd(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg) |
| 380 | { |
| 381 | struct scsipi_periph *periph; |
| 382 | struct scsipi_xfer *xs; |
| 383 | struct scsipi_adapter *adapt = chan->chan_adapter; |
| 384 | struct arc_softc *sc = device_private(adapt->adapt_dev); |
| 385 | struct arc_ccb *ccb; |
| 386 | struct arc_msg_scsicmd *cmd; |
| 387 | uint32_t reg; |
| 388 | uint8_t target; |
| 389 | |
| 390 | switch (req) { |
| 391 | case ADAPTER_REQ_GROW_RESOURCES: |
| 392 | /* Not supported. */ |
| 393 | return; |
| 394 | case ADAPTER_REQ_SET_XFER_MODE: |
| 395 | /* Not supported. */ |
| 396 | return; |
| 397 | case ADAPTER_REQ_RUN_XFER: |
| 398 | break; |
| 399 | } |
| 400 | |
| 401 | mutex_spin_enter(&sc->sc_mutex); |
| 402 | |
| 403 | xs = arg; |
| 404 | periph = xs->xs_periph; |
| 405 | target = periph->periph_target; |
| 406 | |
| 407 | if (xs->cmdlen > ARC_MSG_CDBLEN) { |
| 408 | memset(&xs->sense, 0, sizeof(xs->sense)); |
| 409 | xs->sense.scsi_sense.response_code = SSD_RCODE_VALID | 0x70; |
| 410 | xs->sense.scsi_sense.flags = SKEY_ILLEGAL_REQUEST; |
| 411 | xs->sense.scsi_sense.asc = 0x20; |
| 412 | xs->error = XS_SENSE; |
| 413 | xs->status = SCSI_CHECK; |
| 414 | mutex_spin_exit(&sc->sc_mutex); |
| 415 | scsipi_done(xs); |
| 416 | return; |
| 417 | } |
| 418 | |
| 419 | ccb = arc_get_ccb(sc); |
| 420 | if (ccb == NULL) { |
| 421 | xs->error = XS_RESOURCE_SHORTAGE; |
| 422 | mutex_spin_exit(&sc->sc_mutex); |
| 423 | scsipi_done(xs); |
| 424 | return; |
| 425 | } |
| 426 | |
| 427 | ccb->ccb_xs = xs; |
| 428 | |
| 429 | if (arc_load_xs(ccb) != 0) { |
| 430 | xs->error = XS_DRIVER_STUFFUP; |
| 431 | arc_put_ccb(sc, ccb); |
| 432 | mutex_spin_exit(&sc->sc_mutex); |
| 433 | scsipi_done(xs); |
| 434 | return; |
| 435 | } |
| 436 | |
| 437 | cmd = &ccb->ccb_cmd->cmd; |
| 438 | reg = ccb->ccb_cmd_post; |
| 439 | |
| 440 | /* bus is always 0 */ |
| 441 | cmd->target = target; |
| 442 | cmd->lun = periph->periph_lun; |
| 443 | cmd->function = 1; /* XXX magic number */ |
| 444 | |
| 445 | cmd->cdb_len = xs->cmdlen; |
| 446 | cmd->sgl_len = ccb->ccb_dmamap->dm_nsegs; |
| 447 | if (xs->xs_control & XS_CTL_DATA_OUT) |
| 448 | cmd->flags = ARC_MSG_SCSICMD_FLAG_WRITE; |
| 449 | if (ccb->ccb_dmamap->dm_nsegs > ARC_SGL_256LEN) { |
| 450 | cmd->flags |= ARC_MSG_SCSICMD_FLAG_SGL_BSIZE_512; |
| 451 | reg |= ARC_REG_POST_QUEUE_BIGFRAME; |
| 452 | } |
| 453 | |
| 454 | cmd->context = htole32(ccb->ccb_id); |
| 455 | cmd->data_len = htole32(xs->datalen); |
| 456 | |
| 457 | memcpy(cmd->cdb, xs->cmd, xs->cmdlen); |
| 458 | |
| 459 | /* we've built the command, let's put it on the hw */ |
| 460 | bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), |
| 461 | ccb->ccb_offset, ARC_MAX_IOCMDLEN, |
| 462 | BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); |
| 463 | |
| 464 | arc_push(sc, reg); |
| 465 | if (xs->xs_control & XS_CTL_POLL) { |
| 466 | if (arc_complete(sc, ccb, xs->timeout) != 0) { |
| 467 | xs->error = XS_DRIVER_STUFFUP; |
| 468 | mutex_spin_exit(&sc->sc_mutex); |
| 469 | scsipi_done(xs); |
| 470 | return; |
| 471 | } |
| 472 | } |
| 473 | |
| 474 | mutex_spin_exit(&sc->sc_mutex); |
| 475 | } |
| 476 | |
| 477 | int |
| 478 | arc_load_xs(struct arc_ccb *ccb) |
| 479 | { |
| 480 | struct arc_softc *sc = ccb->ccb_sc; |
| 481 | struct scsipi_xfer *xs = ccb->ccb_xs; |
| 482 | bus_dmamap_t dmap = ccb->ccb_dmamap; |
| 483 | struct arc_sge *sgl = ccb->ccb_cmd->sgl, *sge; |
| 484 | uint64_t addr; |
| 485 | int i, error; |
| 486 | |
| 487 | if (xs->datalen == 0) |
| 488 | return 0; |
| 489 | |
| 490 | error = bus_dmamap_load(sc->sc_dmat, dmap, |
| 491 | xs->data, xs->datalen, NULL, |
| 492 | (xs->xs_control & XS_CTL_NOSLEEP) ? |
| 493 | BUS_DMA_NOWAIT : BUS_DMA_WAITOK); |
| 494 | if (error != 0) { |
| 495 | aprint_error("%s: error %d loading dmamap\n" , |
| 496 | device_xname(sc->sc_dev), error); |
| 497 | return 1; |
| 498 | } |
| 499 | |
| 500 | for (i = 0; i < dmap->dm_nsegs; i++) { |
| 501 | sge = &sgl[i]; |
| 502 | |
| 503 | sge->sg_hdr = htole32(ARC_SGE_64BIT | dmap->dm_segs[i].ds_len); |
| 504 | addr = dmap->dm_segs[i].ds_addr; |
| 505 | sge->sg_hi_addr = htole32((uint32_t)(addr >> 32)); |
| 506 | sge->sg_lo_addr = htole32((uint32_t)addr); |
| 507 | } |
| 508 | |
| 509 | bus_dmamap_sync(sc->sc_dmat, dmap, 0, dmap->dm_mapsize, |
| 510 | (xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMASYNC_PREREAD : |
| 511 | BUS_DMASYNC_PREWRITE); |
| 512 | |
| 513 | return 0; |
| 514 | } |
| 515 | |
| 516 | void |
| 517 | arc_scsi_cmd_done(struct arc_softc *sc, struct arc_ccb *ccb, uint32_t reg) |
| 518 | { |
| 519 | struct scsipi_xfer *xs = ccb->ccb_xs; |
| 520 | struct arc_msg_scsicmd *cmd; |
| 521 | |
| 522 | if (xs->datalen != 0) { |
| 523 | bus_dmamap_sync(sc->sc_dmat, ccb->ccb_dmamap, 0, |
| 524 | ccb->ccb_dmamap->dm_mapsize, |
| 525 | (xs->xs_control & XS_CTL_DATA_IN) ? |
| 526 | BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); |
| 527 | bus_dmamap_unload(sc->sc_dmat, ccb->ccb_dmamap); |
| 528 | } |
| 529 | |
| 530 | /* timeout_del */ |
| 531 | xs->status |= XS_STS_DONE; |
| 532 | |
| 533 | if (reg & ARC_REG_REPLY_QUEUE_ERR) { |
| 534 | cmd = &ccb->ccb_cmd->cmd; |
| 535 | |
| 536 | switch (cmd->status) { |
| 537 | case ARC_MSG_STATUS_SELTIMEOUT: |
| 538 | case ARC_MSG_STATUS_ABORTED: |
| 539 | case ARC_MSG_STATUS_INIT_FAIL: |
| 540 | xs->status = SCSI_OK; |
| 541 | xs->error = XS_SELTIMEOUT; |
| 542 | break; |
| 543 | |
| 544 | case SCSI_CHECK: |
| 545 | memset(&xs->sense, 0, sizeof(xs->sense)); |
| 546 | memcpy(&xs->sense, cmd->sense_data, |
| 547 | min(ARC_MSG_SENSELEN, sizeof(xs->sense))); |
| 548 | xs->sense.scsi_sense.response_code = |
| 549 | SSD_RCODE_VALID | 0x70; |
| 550 | xs->status = SCSI_CHECK; |
| 551 | xs->error = XS_SENSE; |
| 552 | xs->resid = 0; |
| 553 | break; |
| 554 | |
| 555 | default: |
| 556 | /* unknown device status */ |
| 557 | xs->error = XS_BUSY; /* try again later? */ |
| 558 | xs->status = SCSI_BUSY; |
| 559 | break; |
| 560 | } |
| 561 | } else { |
| 562 | xs->status = SCSI_OK; |
| 563 | xs->error = XS_NOERROR; |
| 564 | xs->resid = 0; |
| 565 | } |
| 566 | |
| 567 | arc_put_ccb(sc, ccb); |
| 568 | scsipi_done(xs); |
| 569 | } |
| 570 | |
| 571 | int |
| 572 | arc_complete(struct arc_softc *sc, struct arc_ccb *nccb, int timeout) |
| 573 | { |
| 574 | struct arc_ccb *ccb = NULL; |
| 575 | char *kva = ARC_DMA_KVA(sc->sc_requests); |
| 576 | struct arc_io_cmd *cmd; |
| 577 | uint32_t reg; |
| 578 | |
| 579 | do { |
| 580 | reg = arc_pop(sc); |
| 581 | if (reg == 0xffffffff) { |
| 582 | if (timeout-- == 0) |
| 583 | return 1; |
| 584 | |
| 585 | delay(1000); |
| 586 | continue; |
| 587 | } |
| 588 | |
| 589 | cmd = (struct arc_io_cmd *)(kva + |
| 590 | ((reg << ARC_REG_REPLY_QUEUE_ADDR_SHIFT) - |
| 591 | ARC_DMA_DVA(sc->sc_requests))); |
| 592 | ccb = &sc->sc_ccbs[htole32(cmd->cmd.context)]; |
| 593 | |
| 594 | bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests), |
| 595 | ccb->ccb_offset, ARC_MAX_IOCMDLEN, |
| 596 | BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); |
| 597 | |
| 598 | arc_scsi_cmd_done(sc, ccb, reg); |
| 599 | } while (nccb != ccb); |
| 600 | |
| 601 | return 0; |
| 602 | } |
| 603 | |
| 604 | int |
| 605 | arc_map_pci_resources(device_t self, struct pci_attach_args *pa) |
| 606 | { |
| 607 | struct arc_softc *sc = device_private(self); |
| 608 | pcireg_t memtype; |
| 609 | pci_intr_handle_t ih; |
| 610 | char intrbuf[PCI_INTRSTR_LEN]; |
| 611 | |
| 612 | sc->sc_pc = pa->pa_pc; |
| 613 | sc->sc_tag = pa->pa_tag; |
| 614 | sc->sc_dmat = pa->pa_dmat; |
| 615 | |
| 616 | memtype = pci_mapreg_type(sc->sc_pc, sc->sc_tag, ARC_PCI_BAR); |
| 617 | if (pci_mapreg_map(pa, ARC_PCI_BAR, memtype, 0, &sc->sc_iot, |
| 618 | &sc->sc_ioh, NULL, &sc->sc_ios) != 0) { |
| 619 | aprint_error(": unable to map system interface register\n" ); |
| 620 | return 1; |
| 621 | } |
| 622 | |
| 623 | if (pci_intr_map(pa, &ih) != 0) { |
| 624 | aprint_error(": unable to map interrupt\n" ); |
| 625 | goto unmap; |
| 626 | } |
| 627 | |
| 628 | sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, |
| 629 | arc_intr, sc); |
| 630 | if (sc->sc_ih == NULL) { |
| 631 | aprint_error(": unable to map interrupt [2]\n" ); |
| 632 | goto unmap; |
| 633 | } |
| 634 | |
| 635 | aprint_normal("\n" ); |
| 636 | aprint_normal_dev(self, "interrupting at %s\n" , |
| 637 | pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf))); |
| 638 | |
| 639 | return 0; |
| 640 | |
| 641 | unmap: |
| 642 | bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); |
| 643 | sc->sc_ios = 0; |
| 644 | return 1; |
| 645 | } |
| 646 | |
| 647 | void |
| 648 | arc_unmap_pci_resources(struct arc_softc *sc) |
| 649 | { |
| 650 | pci_intr_disestablish(sc->sc_pc, sc->sc_ih); |
| 651 | bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios); |
| 652 | sc->sc_ios = 0; |
| 653 | } |
| 654 | |
| 655 | int |
| 656 | arc_query_firmware(device_t self) |
| 657 | { |
| 658 | struct arc_softc *sc = device_private(self); |
| 659 | struct arc_msg_firmware_info fwinfo; |
| 660 | char string[81]; /* sizeof(vendor)*2+1 */ |
| 661 | |
| 662 | if (arc_wait_eq(sc, ARC_REG_OUTB_ADDR1, ARC_REG_OUTB_ADDR1_FIRMWARE_OK, |
| 663 | ARC_REG_OUTB_ADDR1_FIRMWARE_OK) != 0) { |
| 664 | aprint_debug_dev(self, "timeout waiting for firmware ok\n" ); |
| 665 | return 1; |
| 666 | } |
| 667 | |
| 668 | if (arc_msg0(sc, ARC_REG_INB_MSG0_GET_CONFIG) != 0) { |
| 669 | aprint_debug_dev(self, "timeout waiting for get config\n" ); |
| 670 | return 1; |
| 671 | } |
| 672 | |
| 673 | if (arc_msg0(sc, ARC_REG_INB_MSG0_START_BGRB) != 0) { |
| 674 | aprint_debug_dev(self, "timeout waiting to start bg rebuild\n" ); |
| 675 | return 1; |
| 676 | } |
| 677 | |
| 678 | arc_read_region(sc, ARC_REG_MSGBUF, &fwinfo, sizeof(fwinfo)); |
| 679 | |
| 680 | DNPRINTF(ARC_D_INIT, "%s: signature: 0x%08x\n" , |
| 681 | device_xname(self), htole32(fwinfo.signature)); |
| 682 | |
| 683 | if (htole32(fwinfo.signature) != ARC_FWINFO_SIGNATURE_GET_CONFIG) { |
| 684 | aprint_error_dev(self, "invalid firmware info from iop\n" ); |
| 685 | return 1; |
| 686 | } |
| 687 | |
| 688 | DNPRINTF(ARC_D_INIT, "%s: request_len: %d\n" , |
| 689 | device_xname(self), htole32(fwinfo.request_len)); |
| 690 | DNPRINTF(ARC_D_INIT, "%s: queue_len: %d\n" , |
| 691 | device_xname(self), htole32(fwinfo.queue_len)); |
| 692 | DNPRINTF(ARC_D_INIT, "%s: sdram_size: %d\n" , |
| 693 | device_xname(self), htole32(fwinfo.sdram_size)); |
| 694 | DNPRINTF(ARC_D_INIT, "%s: sata_ports: %d\n" , |
| 695 | device_xname(self), htole32(fwinfo.sata_ports)); |
| 696 | |
| 697 | strnvisx(string, sizeof(string), fwinfo.vendor, sizeof(fwinfo.vendor), |
| 698 | VIS_TRIM|VIS_SAFE|VIS_OCTAL); |
| 699 | DNPRINTF(ARC_D_INIT, "%s: vendor: \"%s\"\n" , |
| 700 | device_xname(self), string); |
| 701 | |
| 702 | strnvisx(string, sizeof(string), fwinfo.model, sizeof(fwinfo.model), |
| 703 | VIS_TRIM|VIS_SAFE|VIS_OCTAL); |
| 704 | aprint_normal_dev(self, "Areca %s Host Adapter RAID controller\n" , |
| 705 | string); |
| 706 | |
| 707 | strnvisx(string, sizeof(string), fwinfo.fw_version, |
| 708 | sizeof(fwinfo.fw_version), VIS_TRIM|VIS_SAFE|VIS_OCTAL); |
| 709 | DNPRINTF(ARC_D_INIT, "%s: version: \"%s\"\n" , |
| 710 | device_xname(self), string); |
| 711 | |
| 712 | aprint_normal_dev(self, "%d ports, %dMB SDRAM, firmware <%s>\n" , |
| 713 | htole32(fwinfo.sata_ports), htole32(fwinfo.sdram_size), string); |
| 714 | |
| 715 | if (htole32(fwinfo.request_len) != ARC_MAX_IOCMDLEN) { |
| 716 | aprint_error_dev(self, |
| 717 | "unexpected request frame size (%d != %d)\n" , |
| 718 | htole32(fwinfo.request_len), ARC_MAX_IOCMDLEN); |
| 719 | return 1; |
| 720 | } |
| 721 | |
| 722 | sc->sc_req_count = htole32(fwinfo.queue_len); |
| 723 | |
| 724 | return 0; |
| 725 | } |
| 726 | |
| 727 | #if NBIO > 0 |
| 728 | static int |
| 729 | arc_bioctl(device_t self, u_long cmd, void *addr) |
| 730 | { |
| 731 | struct arc_softc *sc = device_private(self); |
| 732 | int error = 0; |
| 733 | |
| 734 | switch (cmd) { |
| 735 | case BIOCINQ: |
| 736 | error = arc_bio_inq(sc, (struct bioc_inq *)addr); |
| 737 | break; |
| 738 | |
| 739 | case BIOCVOL: |
| 740 | error = arc_bio_vol(sc, (struct bioc_vol *)addr); |
| 741 | break; |
| 742 | |
| 743 | case BIOCDISK: |
| 744 | error = arc_bio_disk_volume(sc, (struct bioc_disk *)addr); |
| 745 | break; |
| 746 | |
| 747 | case BIOCDISK_NOVOL: |
| 748 | error = arc_bio_disk_novol(sc, (struct bioc_disk *)addr); |
| 749 | break; |
| 750 | |
| 751 | case BIOCALARM: |
| 752 | error = arc_bio_alarm(sc, (struct bioc_alarm *)addr); |
| 753 | break; |
| 754 | |
| 755 | case BIOCSETSTATE: |
| 756 | error = arc_bio_setstate(sc, (struct bioc_setstate *)addr); |
| 757 | break; |
| 758 | |
| 759 | case BIOCVOLOPS: |
| 760 | error = arc_bio_volops(sc, (struct bioc_volops *)addr); |
| 761 | break; |
| 762 | |
| 763 | default: |
| 764 | error = ENOTTY; |
| 765 | break; |
| 766 | } |
| 767 | |
| 768 | return error; |
| 769 | } |
| 770 | |
| 771 | static int |
| 772 | arc_fw_parse_status_code(struct arc_softc *sc, uint8_t *reply) |
| 773 | { |
| 774 | switch (*reply) { |
| 775 | case ARC_FW_CMD_RAIDINVAL: |
| 776 | printf("%s: firmware error (invalid raid set)\n" , |
| 777 | device_xname(sc->sc_dev)); |
| 778 | return EINVAL; |
| 779 | case ARC_FW_CMD_VOLINVAL: |
| 780 | printf("%s: firmware error (invalid volume set)\n" , |
| 781 | device_xname(sc->sc_dev)); |
| 782 | return EINVAL; |
| 783 | case ARC_FW_CMD_NORAID: |
| 784 | printf("%s: firmware error (unexistent raid set)\n" , |
| 785 | device_xname(sc->sc_dev)); |
| 786 | return ENODEV; |
| 787 | case ARC_FW_CMD_NOVOLUME: |
| 788 | printf("%s: firmware error (unexistent volume set)\n" , |
| 789 | device_xname(sc->sc_dev)); |
| 790 | return ENODEV; |
| 791 | case ARC_FW_CMD_NOPHYSDRV: |
| 792 | printf("%s: firmware error (unexistent physical drive)\n" , |
| 793 | device_xname(sc->sc_dev)); |
| 794 | return ENODEV; |
| 795 | case ARC_FW_CMD_PARAM_ERR: |
| 796 | printf("%s: firmware error (parameter error)\n" , |
| 797 | device_xname(sc->sc_dev)); |
| 798 | return EINVAL; |
| 799 | case ARC_FW_CMD_UNSUPPORTED: |
| 800 | printf("%s: firmware error (unsupported command)\n" , |
| 801 | device_xname(sc->sc_dev)); |
| 802 | return EOPNOTSUPP; |
| 803 | case ARC_FW_CMD_DISKCFG_CHGD: |
| 804 | printf("%s: firmware error (disk configuration changed)\n" , |
| 805 | device_xname(sc->sc_dev)); |
| 806 | return EINVAL; |
| 807 | case ARC_FW_CMD_PASS_INVAL: |
| 808 | printf("%s: firmware error (invalid password)\n" , |
| 809 | device_xname(sc->sc_dev)); |
| 810 | return EINVAL; |
| 811 | case ARC_FW_CMD_NODISKSPACE: |
| 812 | printf("%s: firmware error (no disk space available)\n" , |
| 813 | device_xname(sc->sc_dev)); |
| 814 | return EOPNOTSUPP; |
| 815 | case ARC_FW_CMD_CHECKSUM_ERR: |
| 816 | printf("%s: firmware error (checksum error)\n" , |
| 817 | device_xname(sc->sc_dev)); |
| 818 | return EINVAL; |
| 819 | case ARC_FW_CMD_PASS_REQD: |
| 820 | printf("%s: firmware error (password required)\n" , |
| 821 | device_xname(sc->sc_dev)); |
| 822 | return EPERM; |
| 823 | case ARC_FW_CMD_OK: |
| 824 | default: |
| 825 | return 0; |
| 826 | } |
| 827 | } |
| 828 | |
| 829 | static int |
| 830 | arc_bio_alarm(struct arc_softc *sc, struct bioc_alarm *ba) |
| 831 | { |
| 832 | uint8_t request[2], reply[1]; |
| 833 | size_t len; |
| 834 | int error = 0; |
| 835 | |
| 836 | switch (ba->ba_opcode) { |
| 837 | case BIOC_SAENABLE: |
| 838 | case BIOC_SADISABLE: |
| 839 | request[0] = ARC_FW_SET_ALARM; |
| 840 | request[1] = (ba->ba_opcode == BIOC_SAENABLE) ? |
| 841 | ARC_FW_SET_ALARM_ENABLE : ARC_FW_SET_ALARM_DISABLE; |
| 842 | len = sizeof(request); |
| 843 | |
| 844 | break; |
| 845 | |
| 846 | case BIOC_SASILENCE: |
| 847 | request[0] = ARC_FW_MUTE_ALARM; |
| 848 | len = 1; |
| 849 | |
| 850 | break; |
| 851 | |
| 852 | case BIOC_GASTATUS: |
| 853 | /* system info is too big/ugly to deal with here */ |
| 854 | return arc_bio_alarm_state(sc, ba); |
| 855 | |
| 856 | default: |
| 857 | return EOPNOTSUPP; |
| 858 | } |
| 859 | |
| 860 | error = arc_msgbuf(sc, request, len, reply, sizeof(reply)); |
| 861 | if (error != 0) |
| 862 | return error; |
| 863 | |
| 864 | return arc_fw_parse_status_code(sc, &reply[0]); |
| 865 | } |
| 866 | |
| 867 | static int |
| 868 | arc_bio_alarm_state(struct arc_softc *sc, struct bioc_alarm *ba) |
| 869 | { |
| 870 | struct arc_fw_sysinfo *sysinfo; |
| 871 | uint8_t request; |
| 872 | int error = 0; |
| 873 | |
| 874 | sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP); |
| 875 | |
| 876 | request = ARC_FW_SYSINFO; |
| 877 | error = arc_msgbuf(sc, &request, sizeof(request), |
| 878 | sysinfo, sizeof(struct arc_fw_sysinfo)); |
| 879 | |
| 880 | if (error != 0) |
| 881 | goto out; |
| 882 | |
| 883 | ba->ba_status = sysinfo->alarm; |
| 884 | |
| 885 | out: |
| 886 | kmem_free(sysinfo, sizeof(*sysinfo)); |
| 887 | return error; |
| 888 | } |
| 889 | |
| 890 | static int |
| 891 | arc_bio_volops(struct arc_softc *sc, struct bioc_volops *bc) |
| 892 | { |
| 893 | /* to create a raid set */ |
| 894 | struct req_craidset { |
| 895 | uint8_t cmdcode; |
| 896 | uint32_t devmask; |
| 897 | uint8_t raidset_name[16]; |
| 898 | } __packed; |
| 899 | |
| 900 | /* to create a volume set */ |
| 901 | struct req_cvolset { |
| 902 | uint8_t cmdcode; |
| 903 | uint8_t raidset; |
| 904 | uint8_t volset_name[16]; |
| 905 | uint64_t capacity; |
| 906 | uint8_t raidlevel; |
| 907 | uint8_t stripe; |
| 908 | uint8_t scsi_chan; |
| 909 | uint8_t scsi_target; |
| 910 | uint8_t scsi_lun; |
| 911 | uint8_t tagqueue; |
| 912 | uint8_t cache; |
| 913 | uint8_t speed; |
| 914 | uint8_t quick_init; |
| 915 | } __packed; |
| 916 | |
| 917 | struct scsibus_softc *scsibus_sc = NULL; |
| 918 | struct req_craidset req_craidset; |
| 919 | struct req_cvolset req_cvolset; |
| 920 | uint8_t request[2]; |
| 921 | uint8_t reply[1]; |
| 922 | int error = 0; |
| 923 | |
| 924 | switch (bc->bc_opcode) { |
| 925 | case BIOC_VCREATE_VOLUME: |
| 926 | { |
| 927 | /* |
| 928 | * Zero out the structs so that we use some defaults |
| 929 | * in raid and volume sets. |
| 930 | */ |
| 931 | memset(&req_craidset, 0, sizeof(req_craidset)); |
| 932 | memset(&req_cvolset, 0, sizeof(req_cvolset)); |
| 933 | |
| 934 | /* |
| 935 | * Firstly we have to create the raid set and |
| 936 | * use the default name for all them. |
| 937 | */ |
| 938 | req_craidset.cmdcode = ARC_FW_CREATE_RAIDSET; |
| 939 | req_craidset.devmask = bc->bc_devmask; |
| 940 | error = arc_msgbuf(sc, &req_craidset, sizeof(req_craidset), |
| 941 | reply, sizeof(reply)); |
| 942 | if (error != 0) |
| 943 | return error; |
| 944 | |
| 945 | error = arc_fw_parse_status_code(sc, &reply[0]); |
| 946 | if (error) { |
| 947 | printf("%s: create raidset%d failed\n" , |
| 948 | device_xname(sc->sc_dev), bc->bc_volid); |
| 949 | return error; |
| 950 | } |
| 951 | |
| 952 | /* |
| 953 | * At this point the raid set was created, so it's |
| 954 | * time to create the volume set. |
| 955 | */ |
| 956 | req_cvolset.cmdcode = ARC_FW_CREATE_VOLUME; |
| 957 | req_cvolset.raidset = bc->bc_volid; |
| 958 | req_cvolset.capacity = bc->bc_size * ARC_BLOCKSIZE; |
| 959 | |
| 960 | /* |
| 961 | * Set the RAID level. |
| 962 | */ |
| 963 | switch (bc->bc_level) { |
| 964 | case 0: |
| 965 | case 1: |
| 966 | req_cvolset.raidlevel = bc->bc_level; |
| 967 | break; |
| 968 | case BIOC_SVOL_RAID10: |
| 969 | req_cvolset.raidlevel = 1; |
| 970 | break; |
| 971 | case 3: |
| 972 | req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_3; |
| 973 | break; |
| 974 | case 5: |
| 975 | req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_5; |
| 976 | break; |
| 977 | case 6: |
| 978 | req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_6; |
| 979 | break; |
| 980 | default: |
| 981 | return EOPNOTSUPP; |
| 982 | } |
| 983 | |
| 984 | /* |
| 985 | * Set the stripe size. |
| 986 | */ |
| 987 | switch (bc->bc_stripe) { |
| 988 | case 4: |
| 989 | req_cvolset.stripe = 0; |
| 990 | break; |
| 991 | case 8: |
| 992 | req_cvolset.stripe = 1; |
| 993 | break; |
| 994 | case 16: |
| 995 | req_cvolset.stripe = 2; |
| 996 | break; |
| 997 | case 32: |
| 998 | req_cvolset.stripe = 3; |
| 999 | break; |
| 1000 | case 64: |
| 1001 | req_cvolset.stripe = 4; |
| 1002 | break; |
| 1003 | case 128: |
| 1004 | req_cvolset.stripe = 5; |
| 1005 | break; |
| 1006 | default: |
| 1007 | req_cvolset.stripe = 4; /* by default 64K */ |
| 1008 | break; |
| 1009 | } |
| 1010 | |
| 1011 | req_cvolset.scsi_chan = bc->bc_channel; |
| 1012 | req_cvolset.scsi_target = bc->bc_target; |
| 1013 | req_cvolset.scsi_lun = bc->bc_lun; |
| 1014 | req_cvolset.tagqueue = 1; /* always enabled */ |
| 1015 | req_cvolset.cache = 1; /* always enabled */ |
| 1016 | req_cvolset.speed = 4; /* always max speed */ |
| 1017 | |
| 1018 | /* RAID 1 and 1+0 levels need foreground initialization */ |
| 1019 | if (bc->bc_level == 1 || bc->bc_level == BIOC_SVOL_RAID10) |
| 1020 | req_cvolset.quick_init = 1; /* foreground init */ |
| 1021 | |
| 1022 | error = arc_msgbuf(sc, &req_cvolset, sizeof(req_cvolset), |
| 1023 | reply, sizeof(reply)); |
| 1024 | if (error != 0) |
| 1025 | return error; |
| 1026 | |
| 1027 | error = arc_fw_parse_status_code(sc, &reply[0]); |
| 1028 | if (error) { |
| 1029 | printf("%s: create volumeset%d failed\n" , |
| 1030 | device_xname(sc->sc_dev), bc->bc_volid); |
| 1031 | return error; |
| 1032 | } |
| 1033 | |
| 1034 | /* |
| 1035 | * If we are creating a RAID 1 or RAID 1+0 volume, |
| 1036 | * the volume will be created immediately but it won't |
| 1037 | * be available until the initialization is done... so |
| 1038 | * don't bother attaching the sd(4) device. |
| 1039 | */ |
| 1040 | if (bc->bc_level == 1 || bc->bc_level == BIOC_SVOL_RAID10) |
| 1041 | break; |
| 1042 | |
| 1043 | /* |
| 1044 | * Do a rescan on the bus to attach the device associated |
| 1045 | * with the new volume. |
| 1046 | */ |
| 1047 | scsibus_sc = device_private(sc->sc_scsibus_dv); |
| 1048 | (void)scsi_probe_bus(scsibus_sc, bc->bc_target, bc->bc_lun); |
| 1049 | |
| 1050 | break; |
| 1051 | } |
| 1052 | case BIOC_VREMOVE_VOLUME: |
| 1053 | { |
| 1054 | /* |
| 1055 | * Remove the volume set specified in bc_volid. |
| 1056 | */ |
| 1057 | request[0] = ARC_FW_DELETE_VOLUME; |
| 1058 | request[1] = bc->bc_volid; |
| 1059 | error = arc_msgbuf(sc, request, sizeof(request), |
| 1060 | reply, sizeof(reply)); |
| 1061 | if (error != 0) |
| 1062 | return error; |
| 1063 | |
| 1064 | error = arc_fw_parse_status_code(sc, &reply[0]); |
| 1065 | if (error) { |
| 1066 | printf("%s: delete volumeset%d failed\n" , |
| 1067 | device_xname(sc->sc_dev), bc->bc_volid); |
| 1068 | return error; |
| 1069 | } |
| 1070 | |
| 1071 | /* |
| 1072 | * Detach the sd(4) device associated with the volume, |
| 1073 | * but if there's an error don't make it a priority. |
| 1074 | */ |
| 1075 | error = scsipi_target_detach(&sc->sc_chan, bc->bc_target, |
| 1076 | bc->bc_lun, 0); |
| 1077 | if (error) |
| 1078 | printf("%s: couldn't detach sd device for volume %d " |
| 1079 | "at %u:%u.%u (error=%d)\n" , |
| 1080 | device_xname(sc->sc_dev), bc->bc_volid, |
| 1081 | bc->bc_channel, bc->bc_target, bc->bc_lun, error); |
| 1082 | |
| 1083 | /* |
| 1084 | * and remove the raid set specified in bc_volid, |
| 1085 | * we only care about volumes. |
| 1086 | */ |
| 1087 | request[0] = ARC_FW_DELETE_RAIDSET; |
| 1088 | request[1] = bc->bc_volid; |
| 1089 | error = arc_msgbuf(sc, request, sizeof(request), |
| 1090 | reply, sizeof(reply)); |
| 1091 | if (error != 0) |
| 1092 | return error; |
| 1093 | |
| 1094 | error = arc_fw_parse_status_code(sc, &reply[0]); |
| 1095 | if (error) { |
| 1096 | printf("%s: delete raidset%d failed\n" , |
| 1097 | device_xname(sc->sc_dev), bc->bc_volid); |
| 1098 | return error; |
| 1099 | } |
| 1100 | |
| 1101 | break; |
| 1102 | } |
| 1103 | default: |
| 1104 | return EOPNOTSUPP; |
| 1105 | } |
| 1106 | |
| 1107 | return error; |
| 1108 | } |
| 1109 | |
| 1110 | static int |
| 1111 | arc_bio_setstate(struct arc_softc *sc, struct bioc_setstate *bs) |
| 1112 | { |
| 1113 | /* for a hotspare disk */ |
| 1114 | struct request_hs { |
| 1115 | uint8_t cmdcode; |
| 1116 | uint32_t devmask; |
| 1117 | } __packed; |
| 1118 | |
| 1119 | /* for a pass-through disk */ |
| 1120 | struct request_pt { |
| 1121 | uint8_t cmdcode; |
| 1122 | uint8_t devid; |
| 1123 | uint8_t scsi_chan; |
| 1124 | uint8_t scsi_id; |
| 1125 | uint8_t scsi_lun; |
| 1126 | uint8_t tagged_queue; |
| 1127 | uint8_t cache_mode; |
| 1128 | uint8_t max_speed; |
| 1129 | } __packed; |
| 1130 | |
| 1131 | struct scsibus_softc *scsibus_sc = NULL; |
| 1132 | struct request_hs req_hs; /* to add/remove hotspare */ |
| 1133 | struct request_pt req_pt; /* to add a pass-through */ |
| 1134 | uint8_t req_gen[2]; |
| 1135 | uint8_t reply[1]; |
| 1136 | int error = 0; |
| 1137 | |
| 1138 | switch (bs->bs_status) { |
| 1139 | case BIOC_SSHOTSPARE: |
| 1140 | { |
| 1141 | req_hs.cmdcode = ARC_FW_CREATE_HOTSPARE; |
| 1142 | req_hs.devmask = (1 << bs->bs_target); |
| 1143 | goto hotspare; |
| 1144 | } |
| 1145 | case BIOC_SSDELHOTSPARE: |
| 1146 | { |
| 1147 | req_hs.cmdcode = ARC_FW_DELETE_HOTSPARE; |
| 1148 | req_hs.devmask = (1 << bs->bs_target); |
| 1149 | goto hotspare; |
| 1150 | } |
| 1151 | case BIOC_SSPASSTHRU: |
| 1152 | { |
| 1153 | req_pt.cmdcode = ARC_FW_CREATE_PASSTHRU; |
| 1154 | req_pt.devid = bs->bs_other_id; /* this wants device# */ |
| 1155 | req_pt.scsi_chan = bs->bs_channel; |
| 1156 | req_pt.scsi_id = bs->bs_target; |
| 1157 | req_pt.scsi_lun = bs->bs_lun; |
| 1158 | req_pt.tagged_queue = 1; /* always enabled */ |
| 1159 | req_pt.cache_mode = 1; /* always enabled */ |
| 1160 | req_pt.max_speed = 4; /* always max speed */ |
| 1161 | |
| 1162 | error = arc_msgbuf(sc, &req_pt, sizeof(req_pt), |
| 1163 | reply, sizeof(reply)); |
| 1164 | if (error != 0) |
| 1165 | return error; |
| 1166 | |
| 1167 | /* |
| 1168 | * Do a rescan on the bus to attach the new device |
| 1169 | * associated with the pass-through disk. |
| 1170 | */ |
| 1171 | scsibus_sc = device_private(sc->sc_scsibus_dv); |
| 1172 | (void)scsi_probe_bus(scsibus_sc, bs->bs_target, bs->bs_lun); |
| 1173 | |
| 1174 | goto out; |
| 1175 | } |
| 1176 | case BIOC_SSDELPASSTHRU: |
| 1177 | { |
| 1178 | req_gen[0] = ARC_FW_DELETE_PASSTHRU; |
| 1179 | req_gen[1] = bs->bs_target; |
| 1180 | error = arc_msgbuf(sc, &req_gen, sizeof(req_gen), |
| 1181 | reply, sizeof(reply)); |
| 1182 | if (error != 0) |
| 1183 | return error; |
| 1184 | |
| 1185 | /* |
| 1186 | * Detach the sd device associated with this pass-through disk. |
| 1187 | */ |
| 1188 | error = scsipi_target_detach(&sc->sc_chan, bs->bs_target, |
| 1189 | bs->bs_lun, 0); |
| 1190 | if (error) |
| 1191 | printf("%s: couldn't detach sd device for the " |
| 1192 | "pass-through disk at %u:%u.%u (error=%d)\n" , |
| 1193 | device_xname(sc->sc_dev), |
| 1194 | bs->bs_channel, bs->bs_target, bs->bs_lun, error); |
| 1195 | |
| 1196 | goto out; |
| 1197 | } |
| 1198 | case BIOC_SSCHECKSTART_VOL: |
| 1199 | { |
| 1200 | req_gen[0] = ARC_FW_START_CHECKVOL; |
| 1201 | req_gen[1] = bs->bs_volid; |
| 1202 | error = arc_msgbuf(sc, &req_gen, sizeof(req_gen), |
| 1203 | reply, sizeof(reply)); |
| 1204 | if (error != 0) |
| 1205 | return error; |
| 1206 | |
| 1207 | goto out; |
| 1208 | } |
| 1209 | case BIOC_SSCHECKSTOP_VOL: |
| 1210 | { |
| 1211 | uint8_t req = ARC_FW_STOP_CHECKVOL; |
| 1212 | error = arc_msgbuf(sc, &req, 1, reply, sizeof(reply)); |
| 1213 | if (error != 0) |
| 1214 | return error; |
| 1215 | |
| 1216 | goto out; |
| 1217 | } |
| 1218 | default: |
| 1219 | return EOPNOTSUPP; |
| 1220 | } |
| 1221 | |
| 1222 | hotspare: |
| 1223 | error = arc_msgbuf(sc, &req_hs, sizeof(req_hs), |
| 1224 | reply, sizeof(reply)); |
| 1225 | if (error != 0) |
| 1226 | return error; |
| 1227 | |
| 1228 | out: |
| 1229 | return arc_fw_parse_status_code(sc, &reply[0]); |
| 1230 | } |
| 1231 | |
| 1232 | static int |
| 1233 | arc_bio_inq(struct arc_softc *sc, struct bioc_inq *bi) |
| 1234 | { |
| 1235 | uint8_t request[2]; |
| 1236 | struct arc_fw_sysinfo *sysinfo = NULL; |
| 1237 | struct arc_fw_raidinfo *raidinfo; |
| 1238 | int nvols = 0, i; |
| 1239 | int error = 0; |
| 1240 | |
| 1241 | raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP); |
| 1242 | |
| 1243 | if (!sc->sc_maxraidset || !sc->sc_maxvolset || !sc->sc_cchans) { |
| 1244 | sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP); |
| 1245 | |
| 1246 | request[0] = ARC_FW_SYSINFO; |
| 1247 | error = arc_msgbuf(sc, request, 1, sysinfo, |
| 1248 | sizeof(struct arc_fw_sysinfo)); |
| 1249 | if (error != 0) |
| 1250 | goto out; |
| 1251 | |
| 1252 | sc->sc_maxraidset = sysinfo->max_raid_set; |
| 1253 | sc->sc_maxvolset = sysinfo->max_volume_set; |
| 1254 | sc->sc_cchans = sysinfo->ide_channels; |
| 1255 | } |
| 1256 | |
| 1257 | request[0] = ARC_FW_RAIDINFO; |
| 1258 | for (i = 0; i < sc->sc_maxraidset; i++) { |
| 1259 | request[1] = i; |
| 1260 | error = arc_msgbuf(sc, request, sizeof(request), raidinfo, |
| 1261 | sizeof(struct arc_fw_raidinfo)); |
| 1262 | if (error != 0) |
| 1263 | goto out; |
| 1264 | |
| 1265 | nvols += raidinfo->volumes; |
| 1266 | } |
| 1267 | |
| 1268 | strlcpy(bi->bi_dev, device_xname(sc->sc_dev), sizeof(bi->bi_dev)); |
| 1269 | bi->bi_novol = nvols; |
| 1270 | bi->bi_nodisk = sc->sc_cchans; |
| 1271 | |
| 1272 | out: |
| 1273 | if (sysinfo) |
| 1274 | kmem_free(sysinfo, sizeof(*sysinfo)); |
| 1275 | kmem_free(raidinfo, sizeof(*raidinfo)); |
| 1276 | return error; |
| 1277 | } |
| 1278 | |
| 1279 | static int |
| 1280 | arc_bio_getvol(struct arc_softc *sc, int vol, struct arc_fw_volinfo *volinfo) |
| 1281 | { |
| 1282 | uint8_t request[2]; |
| 1283 | int error = 0; |
| 1284 | int nvols = 0, i; |
| 1285 | |
| 1286 | request[0] = ARC_FW_VOLINFO; |
| 1287 | for (i = 0; i < sc->sc_maxvolset; i++) { |
| 1288 | request[1] = i; |
| 1289 | error = arc_msgbuf(sc, request, sizeof(request), volinfo, |
| 1290 | sizeof(struct arc_fw_volinfo)); |
| 1291 | if (error != 0) |
| 1292 | goto out; |
| 1293 | |
| 1294 | if (volinfo->capacity == 0 && volinfo->capacity2 == 0) |
| 1295 | continue; |
| 1296 | |
| 1297 | if (nvols == vol) |
| 1298 | break; |
| 1299 | |
| 1300 | nvols++; |
| 1301 | } |
| 1302 | |
| 1303 | if (nvols != vol || |
| 1304 | (volinfo->capacity == 0 && volinfo->capacity2 == 0)) { |
| 1305 | error = ENODEV; |
| 1306 | goto out; |
| 1307 | } |
| 1308 | |
| 1309 | out: |
| 1310 | return error; |
| 1311 | } |
| 1312 | |
| 1313 | static int |
| 1314 | arc_bio_vol(struct arc_softc *sc, struct bioc_vol *bv) |
| 1315 | { |
| 1316 | struct arc_fw_volinfo *volinfo; |
| 1317 | uint64_t blocks; |
| 1318 | uint32_t status; |
| 1319 | int error = 0; |
| 1320 | |
| 1321 | volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP); |
| 1322 | |
| 1323 | error = arc_bio_getvol(sc, bv->bv_volid, volinfo); |
| 1324 | if (error != 0) |
| 1325 | goto out; |
| 1326 | |
| 1327 | bv->bv_percent = -1; |
| 1328 | bv->bv_seconds = 0; |
| 1329 | |
| 1330 | status = htole32(volinfo->volume_status); |
| 1331 | if (status == 0x0) { |
| 1332 | if (htole32(volinfo->fail_mask) == 0x0) |
| 1333 | bv->bv_status = BIOC_SVONLINE; |
| 1334 | else |
| 1335 | bv->bv_status = BIOC_SVDEGRADED; |
| 1336 | } else if (status & ARC_FW_VOL_STATUS_NEED_REGEN) { |
| 1337 | bv->bv_status = BIOC_SVDEGRADED; |
| 1338 | } else if (status & ARC_FW_VOL_STATUS_FAILED) { |
| 1339 | bv->bv_status = BIOC_SVOFFLINE; |
| 1340 | } else if (status & ARC_FW_VOL_STATUS_INITTING) { |
| 1341 | bv->bv_status = BIOC_SVBUILDING; |
| 1342 | bv->bv_percent = htole32(volinfo->progress); |
| 1343 | } else if (status & ARC_FW_VOL_STATUS_REBUILDING) { |
| 1344 | bv->bv_status = BIOC_SVREBUILD; |
| 1345 | bv->bv_percent = htole32(volinfo->progress); |
| 1346 | } else if (status & ARC_FW_VOL_STATUS_MIGRATING) { |
| 1347 | bv->bv_status = BIOC_SVMIGRATING; |
| 1348 | bv->bv_percent = htole32(volinfo->progress); |
| 1349 | } else if (status & ARC_FW_VOL_STATUS_CHECKING) { |
| 1350 | bv->bv_status = BIOC_SVCHECKING; |
| 1351 | bv->bv_percent = htole32(volinfo->progress); |
| 1352 | } else if (status & ARC_FW_VOL_STATUS_NEED_INIT) { |
| 1353 | bv->bv_status = BIOC_SVOFFLINE; |
| 1354 | } else { |
| 1355 | printf("%s: volume %d status 0x%x\n" , |
| 1356 | device_xname(sc->sc_dev), bv->bv_volid, status); |
| 1357 | } |
| 1358 | |
| 1359 | blocks = (uint64_t)htole32(volinfo->capacity2) << 32; |
| 1360 | blocks += (uint64_t)htole32(volinfo->capacity); |
| 1361 | bv->bv_size = blocks * ARC_BLOCKSIZE; /* XXX */ |
| 1362 | |
| 1363 | switch (volinfo->raid_level) { |
| 1364 | case ARC_FW_VOL_RAIDLEVEL_0: |
| 1365 | bv->bv_level = 0; |
| 1366 | break; |
| 1367 | case ARC_FW_VOL_RAIDLEVEL_1: |
| 1368 | if (volinfo->member_disks > 2) |
| 1369 | bv->bv_level = BIOC_SVOL_RAID10; |
| 1370 | else |
| 1371 | bv->bv_level = 1; |
| 1372 | break; |
| 1373 | case ARC_FW_VOL_RAIDLEVEL_3: |
| 1374 | bv->bv_level = 3; |
| 1375 | break; |
| 1376 | case ARC_FW_VOL_RAIDLEVEL_5: |
| 1377 | bv->bv_level = 5; |
| 1378 | break; |
| 1379 | case ARC_FW_VOL_RAIDLEVEL_6: |
| 1380 | bv->bv_level = 6; |
| 1381 | break; |
| 1382 | case ARC_FW_VOL_RAIDLEVEL_PASSTHRU: |
| 1383 | bv->bv_level = BIOC_SVOL_PASSTHRU; |
| 1384 | break; |
| 1385 | default: |
| 1386 | bv->bv_level = -1; |
| 1387 | break; |
| 1388 | } |
| 1389 | |
| 1390 | bv->bv_nodisk = volinfo->member_disks; |
| 1391 | bv->bv_stripe_size = volinfo->stripe_size / 2; |
| 1392 | snprintf(bv->bv_dev, sizeof(bv->bv_dev), "sd%d" , bv->bv_volid); |
| 1393 | strnvisx(bv->bv_vendor, sizeof(bv->bv_vendor), volinfo->set_name, |
| 1394 | sizeof(volinfo->set_name), VIS_TRIM|VIS_SAFE|VIS_OCTAL); |
| 1395 | |
| 1396 | out: |
| 1397 | kmem_free(volinfo, sizeof(*volinfo)); |
| 1398 | return error; |
| 1399 | } |
| 1400 | |
| 1401 | static int |
| 1402 | arc_bio_disk_novol(struct arc_softc *sc, struct bioc_disk *bd) |
| 1403 | { |
| 1404 | struct arc_fw_diskinfo *diskinfo; |
| 1405 | uint8_t request[2]; |
| 1406 | int error = 0; |
| 1407 | |
| 1408 | diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP); |
| 1409 | |
| 1410 | if (bd->bd_diskid >= sc->sc_cchans) { |
| 1411 | error = ENODEV; |
| 1412 | goto out; |
| 1413 | } |
| 1414 | |
| 1415 | request[0] = ARC_FW_DISKINFO; |
| 1416 | request[1] = bd->bd_diskid; |
| 1417 | error = arc_msgbuf(sc, request, sizeof(request), |
| 1418 | diskinfo, sizeof(struct arc_fw_diskinfo)); |
| 1419 | if (error != 0) |
| 1420 | goto out; |
| 1421 | |
| 1422 | /* skip disks with no capacity */ |
| 1423 | if (htole32(diskinfo->capacity) == 0 && |
| 1424 | htole32(diskinfo->capacity2) == 0) |
| 1425 | goto out; |
| 1426 | |
| 1427 | bd->bd_disknovol = true; |
| 1428 | arc_bio_disk_filldata(sc, bd, diskinfo, bd->bd_diskid); |
| 1429 | |
| 1430 | out: |
| 1431 | kmem_free(diskinfo, sizeof(*diskinfo)); |
| 1432 | return error; |
| 1433 | } |
| 1434 | |
| 1435 | static void |
| 1436 | arc_bio_disk_filldata(struct arc_softc *sc, struct bioc_disk *bd, |
| 1437 | struct arc_fw_diskinfo *diskinfo, int diskid) |
| 1438 | { |
| 1439 | uint64_t blocks; |
| 1440 | char model[81]; |
| 1441 | char serial[41]; |
| 1442 | char rev[17]; |
| 1443 | |
| 1444 | /* Ignore bit zero for now, we don't know what it means */ |
| 1445 | diskinfo->device_state &= ~0x1; |
| 1446 | |
| 1447 | switch (diskinfo->device_state) { |
| 1448 | case ARC_FW_DISK_FAILED: |
| 1449 | bd->bd_status = BIOC_SDFAILED; |
| 1450 | break; |
| 1451 | case ARC_FW_DISK_PASSTHRU: |
| 1452 | bd->bd_status = BIOC_SDPASSTHRU; |
| 1453 | break; |
| 1454 | case ARC_FW_DISK_NORMAL: |
| 1455 | bd->bd_status = BIOC_SDONLINE; |
| 1456 | break; |
| 1457 | case ARC_FW_DISK_HOTSPARE: |
| 1458 | bd->bd_status = BIOC_SDHOTSPARE; |
| 1459 | break; |
| 1460 | case ARC_FW_DISK_UNUSED: |
| 1461 | bd->bd_status = BIOC_SDUNUSED; |
| 1462 | break; |
| 1463 | case 0: |
| 1464 | /* disk has been disconnected */ |
| 1465 | bd->bd_status = BIOC_SDOFFLINE; |
| 1466 | bd->bd_channel = 1; |
| 1467 | bd->bd_target = 0; |
| 1468 | bd->bd_lun = 0; |
| 1469 | strlcpy(bd->bd_vendor, "disk missing" , sizeof(bd->bd_vendor)); |
| 1470 | break; |
| 1471 | default: |
| 1472 | printf("%s: unknown disk device_state: 0x%x\n" , __func__, |
| 1473 | diskinfo->device_state); |
| 1474 | bd->bd_status = BIOC_SDINVALID; |
| 1475 | return; |
| 1476 | } |
| 1477 | |
| 1478 | blocks = (uint64_t)htole32(diskinfo->capacity2) << 32; |
| 1479 | blocks += (uint64_t)htole32(diskinfo->capacity); |
| 1480 | bd->bd_size = blocks * ARC_BLOCKSIZE; /* XXX */ |
| 1481 | |
| 1482 | strnvisx(model, sizeof(model), diskinfo->model, |
| 1483 | sizeof(diskinfo->model), VIS_TRIM|VIS_SAFE|VIS_OCTAL); |
| 1484 | strnvisx(serial, sizeof(serial), diskinfo->serial, |
| 1485 | sizeof(diskinfo->serial), VIS_TRIM|VIS_SAFE|VIS_OCTAL); |
| 1486 | strnvisx(rev, sizeof(rev), diskinfo->firmware_rev, |
| 1487 | sizeof(diskinfo->firmware_rev), VIS_TRIM|VIS_SAFE|VIS_OCTAL); |
| 1488 | |
| 1489 | snprintf(bd->bd_vendor, sizeof(bd->bd_vendor), "%s %s" , model, rev); |
| 1490 | strlcpy(bd->bd_serial, serial, sizeof(bd->bd_serial)); |
| 1491 | |
| 1492 | #if 0 |
| 1493 | bd->bd_channel = diskinfo->scsi_attr.channel; |
| 1494 | bd->bd_target = diskinfo->scsi_attr.target; |
| 1495 | bd->bd_lun = diskinfo->scsi_attr.lun; |
| 1496 | #endif |
| 1497 | |
| 1498 | /* |
| 1499 | * the firwmare doesnt seem to fill scsi_attr in, so fake it with |
| 1500 | * the diskid. |
| 1501 | */ |
| 1502 | bd->bd_channel = 0; |
| 1503 | bd->bd_target = diskid; |
| 1504 | bd->bd_lun = 0; |
| 1505 | } |
| 1506 | |
| 1507 | static int |
| 1508 | arc_bio_disk_volume(struct arc_softc *sc, struct bioc_disk *bd) |
| 1509 | { |
| 1510 | struct arc_fw_raidinfo *raidinfo; |
| 1511 | struct arc_fw_volinfo *volinfo; |
| 1512 | struct arc_fw_diskinfo *diskinfo; |
| 1513 | uint8_t request[2]; |
| 1514 | int error = 0; |
| 1515 | |
| 1516 | volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP); |
| 1517 | raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP); |
| 1518 | diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP); |
| 1519 | |
| 1520 | error = arc_bio_getvol(sc, bd->bd_volid, volinfo); |
| 1521 | if (error != 0) |
| 1522 | goto out; |
| 1523 | |
| 1524 | request[0] = ARC_FW_RAIDINFO; |
| 1525 | request[1] = volinfo->raid_set_number; |
| 1526 | |
| 1527 | error = arc_msgbuf(sc, request, sizeof(request), raidinfo, |
| 1528 | sizeof(struct arc_fw_raidinfo)); |
| 1529 | if (error != 0) |
| 1530 | goto out; |
| 1531 | |
| 1532 | if (bd->bd_diskid >= sc->sc_cchans || |
| 1533 | bd->bd_diskid >= raidinfo->member_devices) { |
| 1534 | error = ENODEV; |
| 1535 | goto out; |
| 1536 | } |
| 1537 | |
| 1538 | if (raidinfo->device_array[bd->bd_diskid] == 0xff) { |
| 1539 | /* |
| 1540 | * The disk has been disconnected, mark it offline |
| 1541 | * and put it on another bus. |
| 1542 | */ |
| 1543 | bd->bd_channel = 1; |
| 1544 | bd->bd_target = 0; |
| 1545 | bd->bd_lun = 0; |
| 1546 | bd->bd_status = BIOC_SDOFFLINE; |
| 1547 | strlcpy(bd->bd_vendor, "disk missing" , sizeof(bd->bd_vendor)); |
| 1548 | goto out; |
| 1549 | } |
| 1550 | |
| 1551 | request[0] = ARC_FW_DISKINFO; |
| 1552 | request[1] = raidinfo->device_array[bd->bd_diskid]; |
| 1553 | error = arc_msgbuf(sc, request, sizeof(request), diskinfo, |
| 1554 | sizeof(struct arc_fw_diskinfo)); |
| 1555 | if (error != 0) |
| 1556 | goto out; |
| 1557 | |
| 1558 | /* now fill our bio disk with data from the firmware */ |
| 1559 | arc_bio_disk_filldata(sc, bd, diskinfo, |
| 1560 | raidinfo->device_array[bd->bd_diskid]); |
| 1561 | |
| 1562 | out: |
| 1563 | kmem_free(raidinfo, sizeof(*raidinfo)); |
| 1564 | kmem_free(volinfo, sizeof(*volinfo)); |
| 1565 | kmem_free(diskinfo, sizeof(*diskinfo)); |
| 1566 | return error; |
| 1567 | } |
| 1568 | |
| 1569 | static uint8_t |
| 1570 | arc_msg_cksum(void *cmd, uint16_t len) |
| 1571 | { |
| 1572 | uint8_t *buf = cmd; |
| 1573 | uint8_t cksum; |
| 1574 | int i; |
| 1575 | |
| 1576 | cksum = (uint8_t)(len >> 8) + (uint8_t)len; |
| 1577 | for (i = 0; i < len; i++) |
| 1578 | cksum += buf[i]; |
| 1579 | |
| 1580 | return cksum; |
| 1581 | } |
| 1582 | |
| 1583 | |
| 1584 | static int |
| 1585 | arc_msgbuf(struct arc_softc *sc, void *wptr, size_t wbuflen, void *rptr, |
| 1586 | size_t rbuflen) |
| 1587 | { |
| 1588 | uint8_t rwbuf[ARC_REG_IOC_RWBUF_MAXLEN]; |
| 1589 | uint8_t *wbuf, *rbuf; |
| 1590 | int wlen, wdone = 0, rlen, rdone = 0; |
| 1591 | struct arc_fw_bufhdr *bufhdr; |
| 1592 | uint32_t reg, rwlen; |
| 1593 | int error = 0; |
| 1594 | #ifdef ARC_DEBUG |
| 1595 | int i; |
| 1596 | #endif |
| 1597 | |
| 1598 | wbuf = rbuf = NULL; |
| 1599 | |
| 1600 | DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wbuflen: %d rbuflen: %d\n" , |
| 1601 | device_xname(sc->sc_dev), wbuflen, rbuflen); |
| 1602 | |
| 1603 | wlen = sizeof(struct arc_fw_bufhdr) + wbuflen + 1; /* 1 for cksum */ |
| 1604 | wbuf = kmem_alloc(wlen, KM_SLEEP); |
| 1605 | |
| 1606 | rlen = sizeof(struct arc_fw_bufhdr) + rbuflen + 1; /* 1 for cksum */ |
| 1607 | rbuf = kmem_alloc(rlen, KM_SLEEP); |
| 1608 | |
| 1609 | DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wlen: %d rlen: %d\n" , |
| 1610 | device_xname(sc->sc_dev), wlen, rlen); |
| 1611 | |
| 1612 | bufhdr = (struct arc_fw_bufhdr *)wbuf; |
| 1613 | bufhdr->hdr = arc_fw_hdr; |
| 1614 | bufhdr->len = htole16(wbuflen); |
| 1615 | memcpy(wbuf + sizeof(struct arc_fw_bufhdr), wptr, wbuflen); |
| 1616 | wbuf[wlen - 1] = arc_msg_cksum(wptr, wbuflen); |
| 1617 | |
| 1618 | arc_lock(sc); |
| 1619 | if (arc_read(sc, ARC_REG_OUTB_DOORBELL) != 0) { |
| 1620 | error = EBUSY; |
| 1621 | goto out; |
| 1622 | } |
| 1623 | |
| 1624 | reg = ARC_REG_OUTB_DOORBELL_READ_OK; |
| 1625 | |
| 1626 | do { |
| 1627 | if ((reg & ARC_REG_OUTB_DOORBELL_READ_OK) && wdone < wlen) { |
| 1628 | memset(rwbuf, 0, sizeof(rwbuf)); |
| 1629 | rwlen = (wlen - wdone) % sizeof(rwbuf); |
| 1630 | memcpy(rwbuf, &wbuf[wdone], rwlen); |
| 1631 | |
| 1632 | #ifdef ARC_DEBUG |
| 1633 | if (arcdebug & ARC_D_DB) { |
| 1634 | printf("%s: write %d:" , |
| 1635 | device_xname(sc->sc_dev), rwlen); |
| 1636 | for (i = 0; i < rwlen; i++) |
| 1637 | printf(" 0x%02x" , rwbuf[i]); |
| 1638 | printf("\n" ); |
| 1639 | } |
| 1640 | #endif |
| 1641 | |
| 1642 | /* copy the chunk to the hw */ |
| 1643 | arc_write(sc, ARC_REG_IOC_WBUF_LEN, rwlen); |
| 1644 | arc_write_region(sc, ARC_REG_IOC_WBUF, rwbuf, |
| 1645 | sizeof(rwbuf)); |
| 1646 | |
| 1647 | /* say we have a buffer for the hw */ |
| 1648 | arc_write(sc, ARC_REG_INB_DOORBELL, |
| 1649 | ARC_REG_INB_DOORBELL_WRITE_OK); |
| 1650 | |
| 1651 | wdone += rwlen; |
| 1652 | } |
| 1653 | |
| 1654 | while ((reg = arc_read(sc, ARC_REG_OUTB_DOORBELL)) == 0) |
| 1655 | arc_wait(sc); |
| 1656 | |
| 1657 | arc_write(sc, ARC_REG_OUTB_DOORBELL, reg); |
| 1658 | |
| 1659 | DNPRINTF(ARC_D_DB, "%s: reg: 0x%08x\n" , |
| 1660 | device_xname(sc->sc_dev), reg); |
| 1661 | |
| 1662 | if ((reg & ARC_REG_OUTB_DOORBELL_WRITE_OK) && rdone < rlen) { |
| 1663 | rwlen = arc_read(sc, ARC_REG_IOC_RBUF_LEN); |
| 1664 | if (rwlen > sizeof(rwbuf)) { |
| 1665 | DNPRINTF(ARC_D_DB, "%s: rwlen too big\n" , |
| 1666 | device_xname(sc->sc_dev)); |
| 1667 | error = EIO; |
| 1668 | goto out; |
| 1669 | } |
| 1670 | |
| 1671 | arc_read_region(sc, ARC_REG_IOC_RBUF, rwbuf, |
| 1672 | sizeof(rwbuf)); |
| 1673 | |
| 1674 | arc_write(sc, ARC_REG_INB_DOORBELL, |
| 1675 | ARC_REG_INB_DOORBELL_READ_OK); |
| 1676 | |
| 1677 | #ifdef ARC_DEBUG |
| 1678 | printf("%s: len: %d+%d=%d/%d\n" , |
| 1679 | device_xname(sc->sc_dev), |
| 1680 | rwlen, rdone, rwlen + rdone, rlen); |
| 1681 | if (arcdebug & ARC_D_DB) { |
| 1682 | printf("%s: read:" , |
| 1683 | device_xname(sc->sc_dev)); |
| 1684 | for (i = 0; i < rwlen; i++) |
| 1685 | printf(" 0x%02x" , rwbuf[i]); |
| 1686 | printf("\n" ); |
| 1687 | } |
| 1688 | #endif |
| 1689 | |
| 1690 | if ((rdone + rwlen) > rlen) { |
| 1691 | DNPRINTF(ARC_D_DB, "%s: rwbuf too big\n" , |
| 1692 | device_xname(sc->sc_dev)); |
| 1693 | error = EIO; |
| 1694 | goto out; |
| 1695 | } |
| 1696 | |
| 1697 | memcpy(&rbuf[rdone], rwbuf, rwlen); |
| 1698 | rdone += rwlen; |
| 1699 | } |
| 1700 | } while (rdone != rlen); |
| 1701 | |
| 1702 | bufhdr = (struct arc_fw_bufhdr *)rbuf; |
| 1703 | if (memcmp(&bufhdr->hdr, &arc_fw_hdr, sizeof(bufhdr->hdr)) != 0 || |
| 1704 | bufhdr->len != htole16(rbuflen)) { |
| 1705 | DNPRINTF(ARC_D_DB, "%s: rbuf hdr is wrong\n" , |
| 1706 | device_xname(sc->sc_dev)); |
| 1707 | error = EIO; |
| 1708 | goto out; |
| 1709 | } |
| 1710 | |
| 1711 | memcpy(rptr, rbuf + sizeof(struct arc_fw_bufhdr), rbuflen); |
| 1712 | |
| 1713 | if (rbuf[rlen - 1] != arc_msg_cksum(rptr, rbuflen)) { |
| 1714 | DNPRINTF(ARC_D_DB, "%s: invalid cksum\n" , |
| 1715 | device_xname(sc->sc_dev)); |
| 1716 | error = EIO; |
| 1717 | goto out; |
| 1718 | } |
| 1719 | |
| 1720 | out: |
| 1721 | arc_unlock(sc); |
| 1722 | kmem_free(wbuf, wlen); |
| 1723 | kmem_free(rbuf, rlen); |
| 1724 | |
| 1725 | return error; |
| 1726 | } |
| 1727 | |
| 1728 | static void |
| 1729 | arc_lock(struct arc_softc *sc) |
| 1730 | { |
| 1731 | rw_enter(&sc->sc_rwlock, RW_WRITER); |
| 1732 | mutex_spin_enter(&sc->sc_mutex); |
| 1733 | arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE); |
| 1734 | sc->sc_talking = 1; |
| 1735 | } |
| 1736 | |
| 1737 | static void |
| 1738 | arc_unlock(struct arc_softc *sc) |
| 1739 | { |
| 1740 | KASSERT(mutex_owned(&sc->sc_mutex)); |
| 1741 | |
| 1742 | arc_write(sc, ARC_REG_INTRMASK, |
| 1743 | ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL)); |
| 1744 | sc->sc_talking = 0; |
| 1745 | mutex_spin_exit(&sc->sc_mutex); |
| 1746 | rw_exit(&sc->sc_rwlock); |
| 1747 | } |
| 1748 | |
| 1749 | static void |
| 1750 | arc_wait(struct arc_softc *sc) |
| 1751 | { |
| 1752 | KASSERT(mutex_owned(&sc->sc_mutex)); |
| 1753 | |
| 1754 | arc_write(sc, ARC_REG_INTRMASK, |
| 1755 | ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL)); |
| 1756 | if (cv_timedwait(&sc->sc_condvar, &sc->sc_mutex, hz) == EWOULDBLOCK) |
| 1757 | arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE); |
| 1758 | } |
| 1759 | |
| 1760 | |
| 1761 | static void |
| 1762 | arc_create_sensors(void *arg) |
| 1763 | { |
| 1764 | struct arc_softc *sc = arg; |
| 1765 | struct bioc_inq bi; |
| 1766 | struct bioc_vol bv; |
| 1767 | int i, j; |
| 1768 | size_t slen, count = 0; |
| 1769 | |
| 1770 | memset(&bi, 0, sizeof(bi)); |
| 1771 | if (arc_bio_inq(sc, &bi) != 0) { |
| 1772 | aprint_error("%s: unable to query firmware for sensor info\n" , |
| 1773 | device_xname(sc->sc_dev)); |
| 1774 | kthread_exit(0); |
| 1775 | } |
| 1776 | |
| 1777 | /* There's no point to continue if there are no volumes */ |
| 1778 | if (!bi.bi_novol) |
| 1779 | kthread_exit(0); |
| 1780 | |
| 1781 | for (i = 0; i < bi.bi_novol; i++) { |
| 1782 | memset(&bv, 0, sizeof(bv)); |
| 1783 | bv.bv_volid = i; |
| 1784 | if (arc_bio_vol(sc, &bv) != 0) |
| 1785 | kthread_exit(0); |
| 1786 | |
| 1787 | /* Skip passthrough volumes */ |
| 1788 | if (bv.bv_level == BIOC_SVOL_PASSTHRU) |
| 1789 | continue; |
| 1790 | |
| 1791 | /* new volume found */ |
| 1792 | sc->sc_nsensors++; |
| 1793 | /* new disk in a volume found */ |
| 1794 | sc->sc_nsensors+= bv.bv_nodisk; |
| 1795 | } |
| 1796 | |
| 1797 | /* No valid volumes */ |
| 1798 | if (!sc->sc_nsensors) |
| 1799 | kthread_exit(0); |
| 1800 | |
| 1801 | sc->sc_sme = sysmon_envsys_create(); |
| 1802 | slen = sizeof(arc_edata_t) * sc->sc_nsensors; |
| 1803 | sc->sc_arc_sensors = kmem_zalloc(slen, KM_SLEEP); |
| 1804 | |
| 1805 | /* Attach sensors for volumes and disks */ |
| 1806 | for (i = 0; i < bi.bi_novol; i++) { |
| 1807 | memset(&bv, 0, sizeof(bv)); |
| 1808 | bv.bv_volid = i; |
| 1809 | if (arc_bio_vol(sc, &bv) != 0) |
| 1810 | goto bad; |
| 1811 | |
| 1812 | sc->sc_arc_sensors[count].arc_sensor.units = ENVSYS_DRIVE; |
| 1813 | sc->sc_arc_sensors[count].arc_sensor.state = ENVSYS_SINVALID; |
| 1814 | sc->sc_arc_sensors[count].arc_sensor.value_cur = |
| 1815 | ENVSYS_DRIVE_EMPTY; |
| 1816 | sc->sc_arc_sensors[count].arc_sensor.flags = |
| 1817 | ENVSYS_FMONSTCHANGED; |
| 1818 | |
| 1819 | /* Skip passthrough volumes */ |
| 1820 | if (bv.bv_level == BIOC_SVOL_PASSTHRU) |
| 1821 | continue; |
| 1822 | |
| 1823 | if (bv.bv_level == BIOC_SVOL_RAID10) |
| 1824 | snprintf(sc->sc_arc_sensors[count].arc_sensor.desc, |
| 1825 | sizeof(sc->sc_arc_sensors[count].arc_sensor.desc), |
| 1826 | "RAID 1+0 volume%d (%s)" , i, bv.bv_dev); |
| 1827 | else |
| 1828 | snprintf(sc->sc_arc_sensors[count].arc_sensor.desc, |
| 1829 | sizeof(sc->sc_arc_sensors[count].arc_sensor.desc), |
| 1830 | "RAID %d volume%d (%s)" , bv.bv_level, i, |
| 1831 | bv.bv_dev); |
| 1832 | |
| 1833 | sc->sc_arc_sensors[count].arc_volid = i; |
| 1834 | |
| 1835 | if (sysmon_envsys_sensor_attach(sc->sc_sme, |
| 1836 | &sc->sc_arc_sensors[count].arc_sensor)) |
| 1837 | goto bad; |
| 1838 | |
| 1839 | count++; |
| 1840 | |
| 1841 | /* Attach disk sensors for this volume */ |
| 1842 | for (j = 0; j < bv.bv_nodisk; j++) { |
| 1843 | sc->sc_arc_sensors[count].arc_sensor.state = |
| 1844 | ENVSYS_SINVALID; |
| 1845 | sc->sc_arc_sensors[count].arc_sensor.units = |
| 1846 | ENVSYS_DRIVE; |
| 1847 | sc->sc_arc_sensors[count].arc_sensor.value_cur = |
| 1848 | ENVSYS_DRIVE_EMPTY; |
| 1849 | sc->sc_arc_sensors[count].arc_sensor.flags = |
| 1850 | ENVSYS_FMONSTCHANGED; |
| 1851 | |
| 1852 | snprintf(sc->sc_arc_sensors[count].arc_sensor.desc, |
| 1853 | sizeof(sc->sc_arc_sensors[count].arc_sensor.desc), |
| 1854 | "disk%d volume%d (%s)" , j, i, bv.bv_dev); |
| 1855 | sc->sc_arc_sensors[count].arc_volid = i; |
| 1856 | sc->sc_arc_sensors[count].arc_diskid = j + 10; |
| 1857 | |
| 1858 | if (sysmon_envsys_sensor_attach(sc->sc_sme, |
| 1859 | &sc->sc_arc_sensors[count].arc_sensor)) |
| 1860 | goto bad; |
| 1861 | |
| 1862 | count++; |
| 1863 | } |
| 1864 | } |
| 1865 | |
| 1866 | /* |
| 1867 | * Register our envsys driver with the framework now that the |
| 1868 | * sensors were all attached. |
| 1869 | */ |
| 1870 | sc->sc_sme->sme_name = device_xname(sc->sc_dev); |
| 1871 | sc->sc_sme->sme_cookie = sc; |
| 1872 | sc->sc_sme->sme_refresh = arc_refresh_sensors; |
| 1873 | |
| 1874 | if (sysmon_envsys_register(sc->sc_sme)) { |
| 1875 | aprint_debug("%s: unable to register with sysmon\n" , |
| 1876 | device_xname(sc->sc_dev)); |
| 1877 | goto bad; |
| 1878 | } |
| 1879 | kthread_exit(0); |
| 1880 | |
| 1881 | bad: |
| 1882 | sysmon_envsys_destroy(sc->sc_sme); |
| 1883 | kmem_free(sc->sc_arc_sensors, slen); |
| 1884 | |
| 1885 | sc->sc_sme = NULL; |
| 1886 | sc->sc_arc_sensors = NULL; |
| 1887 | |
| 1888 | kthread_exit(0); |
| 1889 | } |
| 1890 | |
| 1891 | static void |
| 1892 | arc_refresh_sensors(struct sysmon_envsys *sme, envsys_data_t *edata) |
| 1893 | { |
| 1894 | struct arc_softc *sc = sme->sme_cookie; |
| 1895 | struct bioc_vol bv; |
| 1896 | struct bioc_disk bd; |
| 1897 | arc_edata_t *arcdata = (arc_edata_t *)edata; |
| 1898 | |
| 1899 | /* sanity check */ |
| 1900 | if (edata->units != ENVSYS_DRIVE) |
| 1901 | return; |
| 1902 | |
| 1903 | memset(&bv, 0, sizeof(bv)); |
| 1904 | bv.bv_volid = arcdata->arc_volid; |
| 1905 | |
| 1906 | if (arc_bio_vol(sc, &bv)) { |
| 1907 | bv.bv_status = BIOC_SVINVALID; |
| 1908 | bio_vol_to_envsys(edata, &bv); |
| 1909 | return; |
| 1910 | } |
| 1911 | |
| 1912 | if (arcdata->arc_diskid) { |
| 1913 | /* Current sensor is handling a disk volume member */ |
| 1914 | memset(&bd, 0, sizeof(bd)); |
| 1915 | bd.bd_volid = arcdata->arc_volid; |
| 1916 | bd.bd_diskid = arcdata->arc_diskid - 10; |
| 1917 | |
| 1918 | if (arc_bio_disk_volume(sc, &bd)) |
| 1919 | bd.bd_status = BIOC_SDOFFLINE; |
| 1920 | bio_disk_to_envsys(edata, &bd); |
| 1921 | } else { |
| 1922 | /* Current sensor is handling a volume */ |
| 1923 | bio_vol_to_envsys(edata, &bv); |
| 1924 | } |
| 1925 | } |
| 1926 | #endif /* NBIO > 0 */ |
| 1927 | |
| 1928 | static uint32_t |
| 1929 | arc_read(struct arc_softc *sc, bus_size_t r) |
| 1930 | { |
| 1931 | uint32_t v; |
| 1932 | |
| 1933 | bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, |
| 1934 | BUS_SPACE_BARRIER_READ); |
| 1935 | v = bus_space_read_4(sc->sc_iot, sc->sc_ioh, r); |
| 1936 | |
| 1937 | DNPRINTF(ARC_D_RW, "%s: arc_read 0x%lx 0x%08x\n" , |
| 1938 | device_xname(sc->sc_dev), r, v); |
| 1939 | |
| 1940 | return v; |
| 1941 | } |
| 1942 | |
| 1943 | static void |
| 1944 | arc_read_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len) |
| 1945 | { |
| 1946 | bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len, |
| 1947 | BUS_SPACE_BARRIER_READ); |
| 1948 | bus_space_read_region_4(sc->sc_iot, sc->sc_ioh, r, |
| 1949 | (uint32_t *)buf, len >> 2); |
| 1950 | } |
| 1951 | |
| 1952 | static void |
| 1953 | arc_write(struct arc_softc *sc, bus_size_t r, uint32_t v) |
| 1954 | { |
| 1955 | DNPRINTF(ARC_D_RW, "%s: arc_write 0x%lx 0x%08x\n" , |
| 1956 | device_xname(sc->sc_dev), r, v); |
| 1957 | |
| 1958 | bus_space_write_4(sc->sc_iot, sc->sc_ioh, r, v); |
| 1959 | bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, |
| 1960 | BUS_SPACE_BARRIER_WRITE); |
| 1961 | } |
| 1962 | |
| 1963 | #if NBIO > 0 |
| 1964 | static void |
| 1965 | arc_write_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len) |
| 1966 | { |
| 1967 | bus_space_write_region_4(sc->sc_iot, sc->sc_ioh, r, |
| 1968 | (const uint32_t *)buf, len >> 2); |
| 1969 | bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len, |
| 1970 | BUS_SPACE_BARRIER_WRITE); |
| 1971 | } |
| 1972 | #endif /* NBIO > 0 */ |
| 1973 | |
| 1974 | static int |
| 1975 | arc_wait_eq(struct arc_softc *sc, bus_size_t r, uint32_t mask, |
| 1976 | uint32_t target) |
| 1977 | { |
| 1978 | int i; |
| 1979 | |
| 1980 | DNPRINTF(ARC_D_RW, "%s: arc_wait_eq 0x%lx 0x%08x 0x%08x\n" , |
| 1981 | device_xname(sc->sc_dev), r, mask, target); |
| 1982 | |
| 1983 | for (i = 0; i < 10000; i++) { |
| 1984 | if ((arc_read(sc, r) & mask) == target) |
| 1985 | return 0; |
| 1986 | delay(1000); |
| 1987 | } |
| 1988 | |
| 1989 | return 1; |
| 1990 | } |
| 1991 | |
| 1992 | #if unused |
| 1993 | static int |
| 1994 | arc_wait_ne(struct arc_softc *sc, bus_size_t r, uint32_t mask, |
| 1995 | uint32_t target) |
| 1996 | { |
| 1997 | int i; |
| 1998 | |
| 1999 | DNPRINTF(ARC_D_RW, "%s: arc_wait_ne 0x%lx 0x%08x 0x%08x\n" , |
| 2000 | device_xname(sc->sc_dev), r, mask, target); |
| 2001 | |
| 2002 | for (i = 0; i < 10000; i++) { |
| 2003 | if ((arc_read(sc, r) & mask) != target) |
| 2004 | return 0; |
| 2005 | delay(1000); |
| 2006 | } |
| 2007 | |
| 2008 | return 1; |
| 2009 | } |
| 2010 | #endif |
| 2011 | |
| 2012 | static int |
| 2013 | arc_msg0(struct arc_softc *sc, uint32_t m) |
| 2014 | { |
| 2015 | /* post message */ |
| 2016 | arc_write(sc, ARC_REG_INB_MSG0, m); |
| 2017 | /* wait for the fw to do it */ |
| 2018 | if (arc_wait_eq(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0, |
| 2019 | ARC_REG_INTRSTAT_MSG0) != 0) |
| 2020 | return 1; |
| 2021 | |
| 2022 | /* ack it */ |
| 2023 | arc_write(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0); |
| 2024 | |
| 2025 | return 0; |
| 2026 | } |
| 2027 | |
| 2028 | static struct arc_dmamem * |
| 2029 | arc_dmamem_alloc(struct arc_softc *sc, size_t size) |
| 2030 | { |
| 2031 | struct arc_dmamem *adm; |
| 2032 | int nsegs; |
| 2033 | |
| 2034 | adm = kmem_zalloc(sizeof(*adm), KM_NOSLEEP); |
| 2035 | if (adm == NULL) |
| 2036 | return NULL; |
| 2037 | |
| 2038 | adm->adm_size = size; |
| 2039 | |
| 2040 | if (bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, |
| 2041 | BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW, &adm->adm_map) != 0) |
| 2042 | goto admfree; |
| 2043 | |
| 2044 | if (bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &adm->adm_seg, |
| 2045 | 1, &nsegs, BUS_DMA_NOWAIT) != 0) |
| 2046 | goto destroy; |
| 2047 | |
| 2048 | if (bus_dmamem_map(sc->sc_dmat, &adm->adm_seg, nsegs, size, |
| 2049 | &adm->adm_kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT) != 0) |
| 2050 | goto free; |
| 2051 | |
| 2052 | if (bus_dmamap_load(sc->sc_dmat, adm->adm_map, adm->adm_kva, size, |
| 2053 | NULL, BUS_DMA_NOWAIT) != 0) |
| 2054 | goto unmap; |
| 2055 | |
| 2056 | memset(adm->adm_kva, 0, size); |
| 2057 | |
| 2058 | return adm; |
| 2059 | |
| 2060 | unmap: |
| 2061 | bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, size); |
| 2062 | free: |
| 2063 | bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1); |
| 2064 | destroy: |
| 2065 | bus_dmamap_destroy(sc->sc_dmat, adm->adm_map); |
| 2066 | admfree: |
| 2067 | kmem_free(adm, sizeof(*adm)); |
| 2068 | |
| 2069 | return NULL; |
| 2070 | } |
| 2071 | |
| 2072 | static void |
| 2073 | arc_dmamem_free(struct arc_softc *sc, struct arc_dmamem *adm) |
| 2074 | { |
| 2075 | bus_dmamap_unload(sc->sc_dmat, adm->adm_map); |
| 2076 | bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, adm->adm_size); |
| 2077 | bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1); |
| 2078 | bus_dmamap_destroy(sc->sc_dmat, adm->adm_map); |
| 2079 | kmem_free(adm, sizeof(*adm)); |
| 2080 | } |
| 2081 | |
| 2082 | static int |
| 2083 | arc_alloc_ccbs(device_t self) |
| 2084 | { |
| 2085 | struct arc_softc *sc = device_private(self); |
| 2086 | struct arc_ccb *ccb; |
| 2087 | uint8_t *cmd; |
| 2088 | int i; |
| 2089 | size_t ccbslen; |
| 2090 | |
| 2091 | TAILQ_INIT(&sc->sc_ccb_free); |
| 2092 | |
| 2093 | ccbslen = sizeof(struct arc_ccb) * sc->sc_req_count; |
| 2094 | sc->sc_ccbs = kmem_zalloc(ccbslen, KM_SLEEP); |
| 2095 | |
| 2096 | sc->sc_requests = arc_dmamem_alloc(sc, |
| 2097 | ARC_MAX_IOCMDLEN * sc->sc_req_count); |
| 2098 | if (sc->sc_requests == NULL) { |
| 2099 | aprint_error_dev(self, "unable to allocate ccb dmamem\n" ); |
| 2100 | goto free_ccbs; |
| 2101 | } |
| 2102 | cmd = ARC_DMA_KVA(sc->sc_requests); |
| 2103 | |
| 2104 | for (i = 0; i < sc->sc_req_count; i++) { |
| 2105 | ccb = &sc->sc_ccbs[i]; |
| 2106 | |
| 2107 | if (bus_dmamap_create(sc->sc_dmat, MAXPHYS, ARC_SGL_MAXLEN, |
| 2108 | MAXPHYS, 0, 0, &ccb->ccb_dmamap) != 0) { |
| 2109 | aprint_error_dev(self, |
| 2110 | "unable to create dmamap for ccb %d\n" , i); |
| 2111 | goto free_maps; |
| 2112 | } |
| 2113 | |
| 2114 | ccb->ccb_sc = sc; |
| 2115 | ccb->ccb_id = i; |
| 2116 | ccb->ccb_offset = ARC_MAX_IOCMDLEN * i; |
| 2117 | |
| 2118 | ccb->ccb_cmd = (struct arc_io_cmd *)&cmd[ccb->ccb_offset]; |
| 2119 | ccb->ccb_cmd_post = (ARC_DMA_DVA(sc->sc_requests) + |
| 2120 | ccb->ccb_offset) >> ARC_REG_POST_QUEUE_ADDR_SHIFT; |
| 2121 | |
| 2122 | arc_put_ccb(sc, ccb); |
| 2123 | } |
| 2124 | |
| 2125 | return 0; |
| 2126 | |
| 2127 | free_maps: |
| 2128 | while ((ccb = arc_get_ccb(sc)) != NULL) |
| 2129 | bus_dmamap_destroy(sc->sc_dmat, ccb->ccb_dmamap); |
| 2130 | arc_dmamem_free(sc, sc->sc_requests); |
| 2131 | |
| 2132 | free_ccbs: |
| 2133 | kmem_free(sc->sc_ccbs, ccbslen); |
| 2134 | |
| 2135 | return 1; |
| 2136 | } |
| 2137 | |
| 2138 | static struct arc_ccb * |
| 2139 | arc_get_ccb(struct arc_softc *sc) |
| 2140 | { |
| 2141 | struct arc_ccb *ccb; |
| 2142 | |
| 2143 | ccb = TAILQ_FIRST(&sc->sc_ccb_free); |
| 2144 | if (ccb != NULL) |
| 2145 | TAILQ_REMOVE(&sc->sc_ccb_free, ccb, ccb_link); |
| 2146 | |
| 2147 | return ccb; |
| 2148 | } |
| 2149 | |
| 2150 | static void |
| 2151 | arc_put_ccb(struct arc_softc *sc, struct arc_ccb *ccb) |
| 2152 | { |
| 2153 | ccb->ccb_xs = NULL; |
| 2154 | memset(ccb->ccb_cmd, 0, ARC_MAX_IOCMDLEN); |
| 2155 | TAILQ_INSERT_TAIL(&sc->sc_ccb_free, ccb, ccb_link); |
| 2156 | } |
| 2157 | |