mfi.c revision 165852
1/*- 2 * Copyright (c) 2006 IronPort Systems 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: head/sys/dev/mfi/mfi.c 165852 2007-01-07 06:43:25Z scottl $"); 29 30#include "opt_mfi.h" 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/sysctl.h> 35#include <sys/malloc.h> 36#include <sys/kernel.h> 37#include <sys/poll.h> 38#include <sys/selinfo.h> 39#include <sys/bus.h> 40#include <sys/conf.h> 41#include <sys/eventhandler.h> 42#include <sys/rman.h> 43#include <sys/bus_dma.h> 44#include <sys/bio.h> 45#include <sys/ioccom.h> 46#include <sys/uio.h> 47#include <sys/proc.h> 48#include <sys/signalvar.h> 49 50#include <machine/bus.h> 51#include <machine/resource.h> 52 53#include <dev/mfi/mfireg.h> 54#include <dev/mfi/mfi_ioctl.h> 55#include <dev/mfi/mfivar.h> 56 57static int mfi_alloc_commands(struct mfi_softc *); 58static void mfi_release_command(struct mfi_command *cm); 59static int mfi_comms_init(struct mfi_softc *); 60static int mfi_wait_command(struct mfi_softc *, struct mfi_command *); 61static int mfi_get_controller_info(struct mfi_softc *); 62static int mfi_get_log_state(struct mfi_softc *, 63 struct mfi_evt_log_state **); 64static int mfi_get_entry(struct mfi_softc *, int); 65static int mfi_dcmd_command(struct mfi_softc *, struct mfi_command **, 66 uint32_t, void **, size_t); 67static void mfi_data_cb(void *, bus_dma_segment_t *, int, int); 68static void mfi_startup(void *arg); 69static void mfi_intr(void *arg); 70static void mfi_enable_intr(struct mfi_softc *sc); 71static void mfi_ldprobe(struct mfi_softc *sc); 72static int mfi_aen_register(struct mfi_softc *sc, int seq, int locale); 73static void mfi_aen_complete(struct mfi_command *); 74static int mfi_aen_setup(struct mfi_softc *, uint32_t); 75static int mfi_add_ld(struct mfi_softc *sc, int); 76static void mfi_add_ld_complete(struct mfi_command *); 77static struct mfi_command * mfi_bio_command(struct mfi_softc *); 78static void mfi_bio_complete(struct mfi_command *); 79static int mfi_mapcmd(struct mfi_softc *, struct mfi_command *); 80static int mfi_send_frame(struct mfi_softc *, struct mfi_command *); 81static void mfi_complete(struct mfi_softc *, struct mfi_command *); 82static int mfi_abort(struct mfi_softc *, struct mfi_command *); 83static int mfi_linux_ioctl_int(struct cdev *, u_long, caddr_t, int, d_thread_t *); 84static void mfi_timeout(void *); 85 86 87SYSCTL_NODE(_hw, OID_AUTO, mfi, CTLFLAG_RD, 0, "MFI driver parameters"); 88static int mfi_event_locale = MFI_EVT_LOCALE_ALL; 89TUNABLE_INT("hw.mfi.event_locale", &mfi_event_locale); 90SYSCTL_INT(_hw_mfi, OID_AUTO, event_locale, CTLFLAG_RW, &mfi_event_locale, 91 0, "event message locale"); 92 93static int mfi_event_class = MFI_EVT_CLASS_INFO; 94TUNABLE_INT("hw.mfi.event_class", &mfi_event_class); 95SYSCTL_INT(_hw_mfi, OID_AUTO, event_class, CTLFLAG_RW, &mfi_event_class, 96 0, "event message class"); 97 98/* Management interface */ 99static d_open_t mfi_open; 100static d_close_t mfi_close; 101static d_ioctl_t mfi_ioctl; 102static d_poll_t mfi_poll; 103 104static struct cdevsw mfi_cdevsw = { 105 .d_version = D_VERSION, 106 .d_flags = 0, 107 .d_open = mfi_open, 108 .d_close = mfi_close, 109 .d_ioctl = mfi_ioctl, 110 .d_poll = mfi_poll, 111 .d_name = "mfi", 112}; 113 114MALLOC_DEFINE(M_MFIBUF, "mfibuf", "Buffers for the MFI driver"); 115 116#define MFI_INQ_LENGTH SHORT_INQUIRY_LENGTH 117 118static int 119mfi_transition_firmware(struct mfi_softc *sc) 120{ 121 int32_t fw_state, cur_state; 122 int max_wait, i; 123 124 fw_state = MFI_READ4(sc, MFI_OMSG0) & MFI_FWSTATE_MASK; 125 while (fw_state != MFI_FWSTATE_READY) { 126 if (bootverbose) 127 device_printf(sc->mfi_dev, "Waiting for firmware to " 128 "become ready\n"); 129 cur_state = fw_state; 130 switch (fw_state) { 131 case MFI_FWSTATE_FAULT: 132 device_printf(sc->mfi_dev, "Firmware fault\n"); 133 return (ENXIO); 134 case MFI_FWSTATE_WAIT_HANDSHAKE: 135 MFI_WRITE4(sc, MFI_IDB, MFI_FWINIT_CLEAR_HANDSHAKE); 136 max_wait = 2; 137 break; 138 case MFI_FWSTATE_OPERATIONAL: 139 MFI_WRITE4(sc, MFI_IDB, MFI_FWINIT_READY); 140 max_wait = 10; 141 break; 142 case MFI_FWSTATE_UNDEFINED: 143 case MFI_FWSTATE_BB_INIT: 144 max_wait = 2; 145 break; 146 case MFI_FWSTATE_FW_INIT: 147 case MFI_FWSTATE_DEVICE_SCAN: 148 case MFI_FWSTATE_FLUSH_CACHE: 149 max_wait = 20; 150 break; 151 default: 152 device_printf(sc->mfi_dev,"Unknown firmware state %d\n", 153 fw_state); 154 return (ENXIO); 155 } 156 for (i = 0; i < (max_wait * 10); i++) { 157 fw_state = MFI_READ4(sc, MFI_OMSG0) & MFI_FWSTATE_MASK; 158 if (fw_state == cur_state) 159 DELAY(100000); 160 else 161 break; 162 } 163 if (fw_state == cur_state) { 164 device_printf(sc->mfi_dev, "firmware stuck in state " 165 "%#x\n", fw_state); 166 return (ENXIO); 167 } 168 } 169 return (0); 170} 171 172static void 173mfi_addr32_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 174{ 175 uint32_t *addr; 176 177 addr = arg; 178 *addr = segs[0].ds_addr; 179} 180 181int 182mfi_attach(struct mfi_softc *sc) 183{ 184 uint32_t status; 185 int error, commsz, framessz, sensesz; 186 int frames, unit, max_fw_sge; 187 188 mtx_init(&sc->mfi_io_lock, "MFI I/O lock", NULL, MTX_DEF); 189 TAILQ_INIT(&sc->mfi_ld_tqh); 190 TAILQ_INIT(&sc->mfi_aen_pids); 191 192 mfi_initq_free(sc); 193 mfi_initq_ready(sc); 194 mfi_initq_busy(sc); 195 mfi_initq_bio(sc); 196 197 /* Before we get too far, see if the firmware is working */ 198 if ((error = mfi_transition_firmware(sc)) != 0) { 199 device_printf(sc->mfi_dev, "Firmware not in READY state, " 200 "error %d\n", error); 201 return (ENXIO); 202 } 203 204 /* 205 * Get information needed for sizing the contiguous memory for the 206 * frame pool. Size down the sgl parameter since we know that 207 * we will never need more than what's required for MAXPHYS. 208 * It would be nice if these constants were available at runtime 209 * instead of compile time. 210 */ 211 status = MFI_READ4(sc, MFI_OMSG0); 212 sc->mfi_max_fw_cmds = status & MFI_FWSTATE_MAXCMD_MASK; 213 max_fw_sge = (status & MFI_FWSTATE_MAXSGL_MASK) >> 16; 214 sc->mfi_max_sge = min(max_fw_sge, ((MAXPHYS / PAGE_SIZE) + 1)); 215 216 /* 217 * Create the dma tag for data buffers. Used both for block I/O 218 * and for various internal data queries. 219 */ 220 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 221 1, 0, /* algnmnt, boundary */ 222 BUS_SPACE_MAXADDR, /* lowaddr */ 223 BUS_SPACE_MAXADDR, /* highaddr */ 224 NULL, NULL, /* filter, filterarg */ 225 BUS_SPACE_MAXSIZE_32BIT,/* maxsize */ 226 sc->mfi_max_sge, /* nsegments */ 227 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ 228 BUS_DMA_ALLOCNOW, /* flags */ 229 busdma_lock_mutex, /* lockfunc */ 230 &sc->mfi_io_lock, /* lockfuncarg */ 231 &sc->mfi_buffer_dmat)) { 232 device_printf(sc->mfi_dev, "Cannot allocate buffer DMA tag\n"); 233 return (ENOMEM); 234 } 235 236 /* 237 * Allocate DMA memory for the comms queues. Keep it under 4GB for 238 * efficiency. The mfi_hwcomms struct includes space for 1 reply queue 239 * entry, so the calculated size here will be will be 1 more than 240 * mfi_max_fw_cmds. This is apparently a requirement of the hardware. 241 */ 242 commsz = (sizeof(uint32_t) * sc->mfi_max_fw_cmds) + 243 sizeof(struct mfi_hwcomms); 244 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 245 1, 0, /* algnmnt, boundary */ 246 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 247 BUS_SPACE_MAXADDR, /* highaddr */ 248 NULL, NULL, /* filter, filterarg */ 249 commsz, /* maxsize */ 250 1, /* msegments */ 251 commsz, /* maxsegsize */ 252 0, /* flags */ 253 NULL, NULL, /* lockfunc, lockarg */ 254 &sc->mfi_comms_dmat)) { 255 device_printf(sc->mfi_dev, "Cannot allocate comms DMA tag\n"); 256 return (ENOMEM); 257 } 258 if (bus_dmamem_alloc(sc->mfi_comms_dmat, (void **)&sc->mfi_comms, 259 BUS_DMA_NOWAIT, &sc->mfi_comms_dmamap)) { 260 device_printf(sc->mfi_dev, "Cannot allocate comms memory\n"); 261 return (ENOMEM); 262 } 263 bzero(sc->mfi_comms, commsz); 264 bus_dmamap_load(sc->mfi_comms_dmat, sc->mfi_comms_dmamap, 265 sc->mfi_comms, commsz, mfi_addr32_cb, &sc->mfi_comms_busaddr, 0); 266 267 /* 268 * Allocate DMA memory for the command frames. Keep them in the 269 * lower 4GB for efficiency. Calculate the size of the commands at 270 * the same time; each command is one 64 byte frame plus a set of 271 * additional frames for holding sg lists or other data. 272 * The assumption here is that the SG list will start at the second 273 * frame and not use the unused bytes in the first frame. While this 274 * isn't technically correct, it simplifies the calculation and allows 275 * for command frames that might be larger than an mfi_io_frame. 276 */ 277 if (sizeof(bus_addr_t) == 8) { 278 sc->mfi_sge_size = sizeof(struct mfi_sg64); 279 sc->mfi_flags |= MFI_FLAGS_SG64; 280 } else { 281 sc->mfi_sge_size = sizeof(struct mfi_sg32); 282 } 283 frames = (sc->mfi_sge_size * sc->mfi_max_sge - 1) / MFI_FRAME_SIZE + 2; 284 sc->mfi_cmd_size = frames * MFI_FRAME_SIZE; 285 framessz = sc->mfi_cmd_size * sc->mfi_max_fw_cmds; 286 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 287 64, 0, /* algnmnt, boundary */ 288 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 289 BUS_SPACE_MAXADDR, /* highaddr */ 290 NULL, NULL, /* filter, filterarg */ 291 framessz, /* maxsize */ 292 1, /* nsegments */ 293 framessz, /* maxsegsize */ 294 0, /* flags */ 295 NULL, NULL, /* lockfunc, lockarg */ 296 &sc->mfi_frames_dmat)) { 297 device_printf(sc->mfi_dev, "Cannot allocate frame DMA tag\n"); 298 return (ENOMEM); 299 } 300 if (bus_dmamem_alloc(sc->mfi_frames_dmat, (void **)&sc->mfi_frames, 301 BUS_DMA_NOWAIT, &sc->mfi_frames_dmamap)) { 302 device_printf(sc->mfi_dev, "Cannot allocate frames memory\n"); 303 return (ENOMEM); 304 } 305 bzero(sc->mfi_frames, framessz); 306 bus_dmamap_load(sc->mfi_frames_dmat, sc->mfi_frames_dmamap, 307 sc->mfi_frames, framessz, mfi_addr32_cb, &sc->mfi_frames_busaddr,0); 308 309 /* 310 * Allocate DMA memory for the frame sense data. Keep them in the 311 * lower 4GB for efficiency 312 */ 313 sensesz = sc->mfi_max_fw_cmds * MFI_SENSE_LEN; 314 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 315 4, 0, /* algnmnt, boundary */ 316 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 317 BUS_SPACE_MAXADDR, /* highaddr */ 318 NULL, NULL, /* filter, filterarg */ 319 sensesz, /* maxsize */ 320 1, /* nsegments */ 321 sensesz, /* maxsegsize */ 322 0, /* flags */ 323 NULL, NULL, /* lockfunc, lockarg */ 324 &sc->mfi_sense_dmat)) { 325 device_printf(sc->mfi_dev, "Cannot allocate sense DMA tag\n"); 326 return (ENOMEM); 327 } 328 if (bus_dmamem_alloc(sc->mfi_sense_dmat, (void **)&sc->mfi_sense, 329 BUS_DMA_NOWAIT, &sc->mfi_sense_dmamap)) { 330 device_printf(sc->mfi_dev, "Cannot allocate sense memory\n"); 331 return (ENOMEM); 332 } 333 bus_dmamap_load(sc->mfi_sense_dmat, sc->mfi_sense_dmamap, 334 sc->mfi_sense, sensesz, mfi_addr32_cb, &sc->mfi_sense_busaddr, 0); 335 336 if ((error = mfi_alloc_commands(sc)) != 0) 337 return (error); 338 339 if ((error = mfi_comms_init(sc)) != 0) 340 return (error); 341 342 if ((error = mfi_get_controller_info(sc)) != 0) 343 return (error); 344 345 mtx_lock(&sc->mfi_io_lock); 346 if ((error = mfi_aen_setup(sc, 0), 0) != 0) { 347 mtx_unlock(&sc->mfi_io_lock); 348 return (error); 349 } 350 mtx_unlock(&sc->mfi_io_lock); 351 352 /* 353 * Set up the interrupt handler. XXX This should happen in 354 * mfi_pci.c 355 */ 356 sc->mfi_irq_rid = 0; 357 if ((sc->mfi_irq = bus_alloc_resource_any(sc->mfi_dev, SYS_RES_IRQ, 358 &sc->mfi_irq_rid, RF_SHAREABLE | RF_ACTIVE)) == NULL) { 359 device_printf(sc->mfi_dev, "Cannot allocate interrupt\n"); 360 return (EINVAL); 361 } 362 if (bus_setup_intr(sc->mfi_dev, sc->mfi_irq, INTR_MPSAFE|INTR_TYPE_BIO, 363 mfi_intr, sc, &sc->mfi_intr)) { 364 device_printf(sc->mfi_dev, "Cannot set up interrupt\n"); 365 return (EINVAL); 366 } 367 368 /* Register a config hook to probe the bus for arrays */ 369 sc->mfi_ich.ich_func = mfi_startup; 370 sc->mfi_ich.ich_arg = sc; 371 if (config_intrhook_establish(&sc->mfi_ich) != 0) { 372 device_printf(sc->mfi_dev, "Cannot establish configuration " 373 "hook\n"); 374 return (EINVAL); 375 } 376 377 /* 378 * Register a shutdown handler. 379 */ 380 if ((sc->mfi_eh = EVENTHANDLER_REGISTER(shutdown_final, mfi_shutdown, 381 sc, SHUTDOWN_PRI_DEFAULT)) == NULL) { 382 device_printf(sc->mfi_dev, "Warning: shutdown event " 383 "registration failed\n"); 384 } 385 386 /* 387 * Create the control device for doing management 388 */ 389 unit = device_get_unit(sc->mfi_dev); 390 sc->mfi_cdev = make_dev(&mfi_cdevsw, unit, UID_ROOT, GID_OPERATOR, 391 0640, "mfi%d", unit); 392 if (unit == 0) 393 make_dev_alias(sc->mfi_cdev, "megaraid_sas_ioctl_node"); 394 if (sc->mfi_cdev != NULL) 395 sc->mfi_cdev->si_drv1 = sc; 396 397 /* Start the timeout watchdog */ 398 callout_init(&sc->mfi_watchdog_callout, 1); 399 callout_reset(&sc->mfi_watchdog_callout, MFI_CMD_TIMEOUT * hz, 400 mfi_timeout, sc); 401 402 return (0); 403} 404 405static int 406mfi_alloc_commands(struct mfi_softc *sc) 407{ 408 struct mfi_command *cm; 409 int i, ncmds; 410 411 /* 412 * XXX Should we allocate all the commands up front, or allocate on 413 * demand later like 'aac' does? 414 */ 415 ncmds = sc->mfi_max_fw_cmds; 416 sc->mfi_commands = malloc(sizeof(struct mfi_command) * ncmds, M_MFIBUF, 417 M_WAITOK | M_ZERO); 418 419 for (i = 0; i < ncmds; i++) { 420 cm = &sc->mfi_commands[i]; 421 cm->cm_frame = (union mfi_frame *)((uintptr_t)sc->mfi_frames + 422 sc->mfi_cmd_size * i); 423 cm->cm_frame_busaddr = sc->mfi_frames_busaddr + 424 sc->mfi_cmd_size * i; 425 cm->cm_frame->header.context = i; 426 cm->cm_sense = &sc->mfi_sense[i]; 427 cm->cm_sense_busaddr= sc->mfi_sense_busaddr + MFI_SENSE_LEN * i; 428 cm->cm_sc = sc; 429 cm->cm_index = i; 430 if (bus_dmamap_create(sc->mfi_buffer_dmat, 0, 431 &cm->cm_dmamap) == 0) 432 mfi_release_command(cm); 433 else 434 break; 435 sc->mfi_total_cmds++; 436 } 437 438 return (0); 439} 440 441static void 442mfi_release_command(struct mfi_command *cm) 443{ 444 struct mfi_frame_header *hdr; 445 uint32_t *hdr_data; 446 447 /* 448 * Zero out the important fields of the frame, but make sure the 449 * context field is preserved. For efficiency, handle the fields 450 * as 32 bit words. Clear out the first S/G entry too for safety. 451 */ 452 hdr = &cm->cm_frame->header; 453 if (hdr->sg_count) { 454 cm->cm_sg->sg32[0].len = 0; 455 cm->cm_sg->sg32[0].addr = 0; 456 } 457 458 hdr_data = (uint32_t *)cm->cm_frame; 459 hdr_data[0] = 0; /* cmd, sense_len, cmd_status, scsi_status */ 460 hdr_data[1] = 0; /* target_id, lun_id, cdb_len, sg_count */ 461 hdr_data[4] = 0; /* flags, timeout */ 462 hdr_data[5] = 0; /* data_len */ 463 464 cm->cm_extra_frames = 0; 465 cm->cm_flags = 0; 466 cm->cm_complete = NULL; 467 cm->cm_private = NULL; 468 cm->cm_sg = 0; 469 cm->cm_total_frame_size = 0; 470 471 mfi_enqueue_free(cm); 472} 473 474static int 475mfi_dcmd_command(struct mfi_softc *sc, struct mfi_command **cmp, uint32_t opcode, 476 void **bufp, size_t bufsize) 477{ 478 struct mfi_command *cm; 479 struct mfi_dcmd_frame *dcmd; 480 void *buf = NULL; 481 482 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 483 484 cm = mfi_dequeue_free(sc); 485 if (cm == NULL) 486 return (EBUSY); 487 488 if ((bufsize > 0) && (bufp != NULL)) { 489 if (*bufp == NULL) { 490 buf = malloc(bufsize, M_MFIBUF, M_NOWAIT|M_ZERO); 491 if (buf == NULL) { 492 mfi_release_command(cm); 493 return (ENOMEM); 494 } 495 *bufp = buf; 496 } else { 497 buf = *bufp; 498 } 499 } 500 501 dcmd = &cm->cm_frame->dcmd; 502 bzero(dcmd->mbox, MFI_MBOX_SIZE); 503 dcmd->header.cmd = MFI_CMD_DCMD; 504 dcmd->header.timeout = 0; 505 dcmd->header.flags = 0; 506 dcmd->header.data_len = bufsize; 507 dcmd->opcode = opcode; 508 cm->cm_sg = &dcmd->sgl; 509 cm->cm_total_frame_size = MFI_DCMD_FRAME_SIZE; 510 cm->cm_flags = 0; 511 cm->cm_data = buf; 512 cm->cm_private = buf; 513 cm->cm_len = bufsize; 514 515 *cmp = cm; 516 if ((bufp != NULL) && (*bufp == NULL) && (buf != NULL)) 517 *bufp = buf; 518 return (0); 519} 520 521static int 522mfi_comms_init(struct mfi_softc *sc) 523{ 524 struct mfi_command *cm; 525 struct mfi_init_frame *init; 526 struct mfi_init_qinfo *qinfo; 527 int error; 528 529 mtx_lock(&sc->mfi_io_lock); 530 if ((cm = mfi_dequeue_free(sc)) == NULL) 531 return (EBUSY); 532 533 /* 534 * Abuse the SG list area of the frame to hold the init_qinfo 535 * object; 536 */ 537 init = &cm->cm_frame->init; 538 qinfo = (struct mfi_init_qinfo *)((uintptr_t)init + MFI_FRAME_SIZE); 539 540 bzero(qinfo, sizeof(struct mfi_init_qinfo)); 541 qinfo->rq_entries = sc->mfi_max_fw_cmds + 1; 542 qinfo->rq_addr_lo = sc->mfi_comms_busaddr + 543 offsetof(struct mfi_hwcomms, hw_reply_q); 544 qinfo->pi_addr_lo = sc->mfi_comms_busaddr + 545 offsetof(struct mfi_hwcomms, hw_pi); 546 qinfo->ci_addr_lo = sc->mfi_comms_busaddr + 547 offsetof(struct mfi_hwcomms, hw_ci); 548 549 init->header.cmd = MFI_CMD_INIT; 550 init->header.data_len = sizeof(struct mfi_init_qinfo); 551 init->qinfo_new_addr_lo = cm->cm_frame_busaddr + MFI_FRAME_SIZE; 552 cm->cm_data = NULL; 553 cm->cm_flags = MFI_CMD_POLLED; 554 555 if ((error = mfi_mapcmd(sc, cm)) != 0) { 556 device_printf(sc->mfi_dev, "failed to send init command\n"); 557 mtx_unlock(&sc->mfi_io_lock); 558 return (error); 559 } 560 mfi_release_command(cm); 561 mtx_unlock(&sc->mfi_io_lock); 562 563 return (0); 564} 565 566static int 567mfi_get_controller_info(struct mfi_softc *sc) 568{ 569 struct mfi_command *cm = NULL; 570 struct mfi_ctrl_info *ci = NULL; 571 uint32_t max_sectors_1, max_sectors_2; 572 int error; 573 574 mtx_lock(&sc->mfi_io_lock); 575 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_GETINFO, 576 (void **)&ci, sizeof(*ci)); 577 if (error) 578 goto out; 579 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED; 580 581 if ((error = mfi_mapcmd(sc, cm)) != 0) { 582 device_printf(sc->mfi_dev, "Failed to get controller info\n"); 583 sc->mfi_max_io = (sc->mfi_max_sge - 1) * PAGE_SIZE / 584 MFI_SECTOR_LEN; 585 error = 0; 586 goto out; 587 } 588 589 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 590 BUS_DMASYNC_POSTREAD); 591 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 592 593 max_sectors_1 = (1 << ci->stripe_sz_ops.min) * ci->max_strips_per_io; 594 max_sectors_2 = ci->max_request_size; 595 sc->mfi_max_io = min(max_sectors_1, max_sectors_2); 596 597out: 598 if (ci) 599 free(ci, M_MFIBUF); 600 if (cm) 601 mfi_release_command(cm); 602 mtx_unlock(&sc->mfi_io_lock); 603 return (error); 604} 605 606static int 607mfi_get_log_state(struct mfi_softc *sc, struct mfi_evt_log_state **log_state) 608{ 609 struct mfi_command *cm = NULL; 610 int error; 611 612 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_EVENT_GETINFO, 613 (void **)log_state, sizeof(**log_state)); 614 if (error) 615 goto out; 616 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED; 617 618 if ((error = mfi_mapcmd(sc, cm)) != 0) { 619 device_printf(sc->mfi_dev, "Failed to get log state\n"); 620 goto out; 621 } 622 623 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 624 BUS_DMASYNC_POSTREAD); 625 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 626 627out: 628 if (cm) 629 mfi_release_command(cm); 630 631 return (error); 632} 633 634static int 635mfi_aen_setup(struct mfi_softc *sc, uint32_t seq_start) 636{ 637 struct mfi_evt_log_state *log_state = NULL; 638 union mfi_evt class_locale; 639 int error = 0; 640 uint32_t seq; 641 642 class_locale.members.reserved = 0; 643 class_locale.members.locale = mfi_event_locale; 644 class_locale.members.class = mfi_event_class; 645 646 if (seq_start == 0) { 647 error = mfi_get_log_state(sc, &log_state); 648 if (error) { 649 if (log_state) 650 free(log_state, M_MFIBUF); 651 return (error); 652 } 653 /* 654 * Don't run them yet since we can't parse them. 655 * We can indirectly get the contents from 656 * the AEN mechanism via setting it lower then 657 * current. The firmware will iterate through them. 658 */ 659 for (seq = log_state->shutdown_seq_num; 660 seq <= log_state->newest_seq_num; seq++) { 661 mfi_get_entry(sc, seq); 662 } 663 } else 664 seq = seq_start; 665 mfi_aen_register(sc, seq, class_locale.word); 666 free(log_state, M_MFIBUF); 667 668 return 0; 669} 670 671static int 672mfi_wait_command(struct mfi_softc *sc, struct mfi_command *cm) 673{ 674 675 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 676 cm->cm_complete = NULL; 677 678 mfi_enqueue_ready(cm); 679 mfi_startio(sc); 680 return (msleep(cm, &sc->mfi_io_lock, PRIBIO, "mfiwait", 0)); 681} 682 683void 684mfi_free(struct mfi_softc *sc) 685{ 686 struct mfi_command *cm; 687 int i; 688 689 callout_drain(&sc->mfi_watchdog_callout); 690 691 if (sc->mfi_cdev != NULL) 692 destroy_dev(sc->mfi_cdev); 693 694 if (sc->mfi_total_cmds != 0) { 695 for (i = 0; i < sc->mfi_total_cmds; i++) { 696 cm = &sc->mfi_commands[i]; 697 bus_dmamap_destroy(sc->mfi_buffer_dmat, cm->cm_dmamap); 698 } 699 free(sc->mfi_commands, M_MFIBUF); 700 } 701 702 if (sc->mfi_intr) 703 bus_teardown_intr(sc->mfi_dev, sc->mfi_irq, sc->mfi_intr); 704 if (sc->mfi_irq != NULL) 705 bus_release_resource(sc->mfi_dev, SYS_RES_IRQ, sc->mfi_irq_rid, 706 sc->mfi_irq); 707 708 if (sc->mfi_sense_busaddr != 0) 709 bus_dmamap_unload(sc->mfi_sense_dmat, sc->mfi_sense_dmamap); 710 if (sc->mfi_sense != NULL) 711 bus_dmamem_free(sc->mfi_sense_dmat, sc->mfi_sense, 712 sc->mfi_sense_dmamap); 713 if (sc->mfi_sense_dmat != NULL) 714 bus_dma_tag_destroy(sc->mfi_sense_dmat); 715 716 if (sc->mfi_frames_busaddr != 0) 717 bus_dmamap_unload(sc->mfi_frames_dmat, sc->mfi_frames_dmamap); 718 if (sc->mfi_frames != NULL) 719 bus_dmamem_free(sc->mfi_frames_dmat, sc->mfi_frames, 720 sc->mfi_frames_dmamap); 721 if (sc->mfi_frames_dmat != NULL) 722 bus_dma_tag_destroy(sc->mfi_frames_dmat); 723 724 if (sc->mfi_comms_busaddr != 0) 725 bus_dmamap_unload(sc->mfi_comms_dmat, sc->mfi_comms_dmamap); 726 if (sc->mfi_comms != NULL) 727 bus_dmamem_free(sc->mfi_comms_dmat, sc->mfi_comms, 728 sc->mfi_comms_dmamap); 729 if (sc->mfi_comms_dmat != NULL) 730 bus_dma_tag_destroy(sc->mfi_comms_dmat); 731 732 if (sc->mfi_buffer_dmat != NULL) 733 bus_dma_tag_destroy(sc->mfi_buffer_dmat); 734 if (sc->mfi_parent_dmat != NULL) 735 bus_dma_tag_destroy(sc->mfi_parent_dmat); 736 737 if (mtx_initialized(&sc->mfi_io_lock)) 738 mtx_destroy(&sc->mfi_io_lock); 739 740 return; 741} 742 743static void 744mfi_startup(void *arg) 745{ 746 struct mfi_softc *sc; 747 748 sc = (struct mfi_softc *)arg; 749 750 config_intrhook_disestablish(&sc->mfi_ich); 751 752 mfi_enable_intr(sc); 753 mtx_lock(&sc->mfi_io_lock); 754 mfi_ldprobe(sc); 755 mtx_unlock(&sc->mfi_io_lock); 756} 757 758static void 759mfi_intr(void *arg) 760{ 761 struct mfi_softc *sc; 762 struct mfi_command *cm; 763 uint32_t status, pi, ci, context; 764 765 sc = (struct mfi_softc *)arg; 766 767 status = MFI_READ4(sc, MFI_OSTS); 768 if ((status & MFI_OSTS_INTR_VALID) == 0) 769 return; 770 771 MFI_WRITE4(sc, MFI_OSTS, status); 772 773 pi = sc->mfi_comms->hw_pi; 774 ci = sc->mfi_comms->hw_ci; 775 mtx_lock(&sc->mfi_io_lock); 776 while (ci != pi) { 777 context = sc->mfi_comms->hw_reply_q[ci]; 778 cm = &sc->mfi_commands[context]; 779 mfi_remove_busy(cm); 780 mfi_complete(sc, cm); 781 if (++ci == (sc->mfi_max_fw_cmds + 1)) { 782 ci = 0; 783 } 784 } 785 786 sc->mfi_comms->hw_ci = ci; 787 788 /* Give defered I/O a chance to run */ 789 if (sc->mfi_flags & MFI_FLAGS_QFRZN) 790 sc->mfi_flags &= ~MFI_FLAGS_QFRZN; 791 mfi_startio(sc); 792 mtx_unlock(&sc->mfi_io_lock); 793 794 return; 795} 796 797int 798mfi_shutdown(struct mfi_softc *sc) 799{ 800 struct mfi_dcmd_frame *dcmd; 801 struct mfi_command *cm; 802 int error; 803 804 mtx_lock(&sc->mfi_io_lock); 805 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_SHUTDOWN, NULL, 0); 806 if (error) { 807 mtx_unlock(&sc->mfi_io_lock); 808 return (error); 809 } 810 811 if (sc->mfi_aen_cm != NULL) 812 mfi_abort(sc, sc->mfi_aen_cm); 813 814 dcmd = &cm->cm_frame->dcmd; 815 dcmd->header.flags = MFI_FRAME_DIR_NONE; 816 cm->cm_flags = MFI_CMD_POLLED; 817 cm->cm_data = NULL; 818 819 if ((error = mfi_mapcmd(sc, cm)) != 0) { 820 device_printf(sc->mfi_dev, "Failed to shutdown controller\n"); 821 } 822 823 mfi_release_command(cm); 824 mtx_unlock(&sc->mfi_io_lock); 825 return (error); 826} 827 828static void 829mfi_enable_intr(struct mfi_softc *sc) 830{ 831 832 MFI_WRITE4(sc, MFI_OMSK, 0x01); 833} 834 835static void 836mfi_ldprobe(struct mfi_softc *sc) 837{ 838 struct mfi_frame_header *hdr; 839 struct mfi_command *cm = NULL; 840 struct mfi_ld_list *list = NULL; 841 int error, i; 842 843 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 844 845 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_LD_GET_LIST, 846 (void **)&list, sizeof(*list)); 847 if (error) 848 goto out; 849 850 cm->cm_flags = MFI_CMD_DATAIN; 851 if (mfi_wait_command(sc, cm) != 0) { 852 device_printf(sc->mfi_dev, "Failed to get device listing\n"); 853 goto out; 854 } 855 856 hdr = &cm->cm_frame->header; 857 if (hdr->cmd_status != MFI_STAT_OK) { 858 device_printf(sc->mfi_dev, "MFI_DCMD_LD_GET_LIST failed %x\n", 859 hdr->cmd_status); 860 goto out; 861 } 862 863 for (i = 0; i < list->ld_count; i++) 864 mfi_add_ld(sc, list->ld_list[i].ld.v.target_id); 865out: 866 if (list) 867 free(list, M_MFIBUF); 868 if (cm) 869 mfi_release_command(cm); 870 871 return; 872} 873 874static void 875mfi_decode_evt(struct mfi_softc *sc, struct mfi_evt_detail *detail) 876{ 877 switch (detail->arg_type) { 878 case MR_EVT_ARGS_NONE: 879 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - %s\n", 880 detail->seq, 881 detail->time, 882 detail->class.members.locale, 883 detail->class.members.class, 884 detail->description 885 ); 886 break; 887 case MR_EVT_ARGS_CDB_SENSE: 888 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - PD %02d(e%d/s%d) CDB %*D" 889 "Sense %*D\n: %s\n", 890 detail->seq, 891 detail->time, 892 detail->class.members.locale, 893 detail->class.members.class, 894 detail->args.cdb_sense.pd.device_id, 895 detail->args.cdb_sense.pd.enclosure_index, 896 detail->args.cdb_sense.pd.slot_number, 897 detail->args.cdb_sense.cdb_len, 898 detail->args.cdb_sense.cdb, 899 ":", 900 detail->args.cdb_sense.sense_len, 901 detail->args.cdb_sense.sense, 902 ":", 903 detail->description 904 ); 905 break; 906 case MR_EVT_ARGS_LD: 907 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - VD %02d/%d " 908 "event: %s\n", 909 detail->seq, 910 detail->time, 911 detail->class.members.locale, 912 detail->class.members.class, 913 detail->args.ld.ld_index, 914 detail->args.ld.target_id, 915 detail->description 916 ); 917 break; 918 case MR_EVT_ARGS_LD_COUNT: 919 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - VD %02d/%d " 920 "count %lld: %s\n", 921 detail->seq, 922 detail->time, 923 detail->class.members.locale, 924 detail->class.members.class, 925 detail->args.ld_count.ld.ld_index, 926 detail->args.ld_count.ld.target_id, 927 (long long)detail->args.ld_count.count, 928 detail->description 929 ); 930 break; 931 case MR_EVT_ARGS_LD_LBA: 932 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - VD %02d/%d " 933 "lba %lld: %s\n", 934 detail->seq, 935 detail->time, 936 detail->class.members.locale, 937 detail->class.members.class, 938 detail->args.ld_lba.ld.ld_index, 939 detail->args.ld_lba.ld.target_id, 940 (long long)detail->args.ld_lba.lba, 941 detail->description 942 ); 943 break; 944 case MR_EVT_ARGS_LD_OWNER: 945 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - VD %02d/%d " 946 "owner changed: prior %d, new %d: %s\n", 947 detail->seq, 948 detail->time, 949 detail->class.members.locale, 950 detail->class.members.class, 951 detail->args.ld_owner.ld.ld_index, 952 detail->args.ld_owner.ld.target_id, 953 detail->args.ld_owner.pre_owner, 954 detail->args.ld_owner.new_owner, 955 detail->description 956 ); 957 break; 958 case MR_EVT_ARGS_LD_LBA_PD_LBA: 959 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - VD %02d/%d " 960 "lba %lld, physical drive PD %02d(e%d/s%d) lba %lld: %s\n", 961 detail->seq, 962 detail->time, 963 detail->class.members.locale, 964 detail->class.members.class, 965 detail->args.ld_lba_pd_lba.ld.ld_index, 966 detail->args.ld_lba_pd_lba.ld.target_id, 967 (long long)detail->args.ld_lba_pd_lba.ld_lba, 968 detail->args.ld_lba_pd_lba.pd.device_id, 969 detail->args.ld_lba_pd_lba.pd.enclosure_index, 970 detail->args.ld_lba_pd_lba.pd.slot_number, 971 (long long)detail->args.ld_lba_pd_lba.pd_lba, 972 detail->description 973 ); 974 break; 975 case MR_EVT_ARGS_LD_PROG: 976 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - VD %02d/%d " 977 "progress %d%% in %ds: %s\n", 978 detail->seq, 979 detail->time, 980 detail->class.members.locale, 981 detail->class.members.class, 982 detail->args.ld_prog.ld.ld_index, 983 detail->args.ld_prog.ld.target_id, 984 detail->args.ld_prog.prog.progress/655, 985 detail->args.ld_prog.prog.elapsed_seconds, 986 detail->description 987 ); 988 break; 989 case MR_EVT_ARGS_LD_STATE: 990 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - VD %02d/%d " 991 "state prior %d new %d: %s\n", 992 detail->seq, 993 detail->time, 994 detail->class.members.locale, 995 detail->class.members.class, 996 detail->args.ld_state.ld.ld_index, 997 detail->args.ld_state.ld.target_id, 998 detail->args.ld_state.prev_state, 999 detail->args.ld_state.new_state, 1000 detail->description 1001 ); 1002 break; 1003 case MR_EVT_ARGS_LD_STRIP: 1004 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - VD %02d/%d " 1005 "strip %lld: %s\n", 1006 detail->seq, 1007 detail->time, 1008 detail->class.members.locale, 1009 detail->class.members.class, 1010 detail->args.ld_strip.ld.ld_index, 1011 detail->args.ld_strip.ld.target_id, 1012 (long long)detail->args.ld_strip.strip, 1013 detail->description 1014 ); 1015 break; 1016 case MR_EVT_ARGS_PD: 1017 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - PD %02d(e%d/s%d) " 1018 "event: %s\n", 1019 detail->seq, 1020 detail->time, 1021 detail->class.members.locale, 1022 detail->class.members.class, 1023 detail->args.pd.device_id, 1024 detail->args.pd.enclosure_index, 1025 detail->args.pd.slot_number, 1026 detail->description 1027 ); 1028 break; 1029 case MR_EVT_ARGS_PD_ERR: 1030 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - PD %02d(e%d/s%d) " 1031 "err %d: %s\n", 1032 detail->seq, 1033 detail->time, 1034 detail->class.members.locale, 1035 detail->class.members.class, 1036 detail->args.pd_err.pd.device_id, 1037 detail->args.pd_err.pd.enclosure_index, 1038 detail->args.pd_err.pd.slot_number, 1039 detail->args.pd_err.err, 1040 detail->description 1041 ); 1042 break; 1043 case MR_EVT_ARGS_PD_LBA: 1044 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - PD %02d(e%d/s%d) " 1045 "lba %lld: %s\n", 1046 detail->seq, 1047 detail->time, 1048 detail->class.members.locale, 1049 detail->class.members.class, 1050 detail->args.pd_lba.pd.device_id, 1051 detail->args.pd_lba.pd.enclosure_index, 1052 detail->args.pd_lba.pd.slot_number, 1053 (long long)detail->args.pd_lba.lba, 1054 detail->description 1055 ); 1056 break; 1057 case MR_EVT_ARGS_PD_LBA_LD: 1058 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - PD %02d(e%d/s%d) " 1059 "lba %lld VD %02d/%d: %s\n", 1060 detail->seq, 1061 detail->time, 1062 detail->class.members.locale, 1063 detail->class.members.class, 1064 detail->args.pd_lba_ld.pd.device_id, 1065 detail->args.pd_lba_ld.pd.enclosure_index, 1066 detail->args.pd_lba_ld.pd.slot_number, 1067 (long long)detail->args.pd_lba.lba, 1068 detail->args.pd_lba_ld.ld.ld_index, 1069 detail->args.pd_lba_ld.ld.target_id, 1070 detail->description 1071 ); 1072 break; 1073 case MR_EVT_ARGS_PD_PROG: 1074 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - PD %02d(e%d/s%d) " 1075 "progress %d%% seconds %ds: %s\n", 1076 detail->seq, 1077 detail->time, 1078 detail->class.members.locale, 1079 detail->class.members.class, 1080 detail->args.pd_prog.pd.device_id, 1081 detail->args.pd_prog.pd.enclosure_index, 1082 detail->args.pd_prog.pd.slot_number, 1083 detail->args.pd_prog.prog.progress/655, 1084 detail->args.pd_prog.prog.elapsed_seconds, 1085 detail->description 1086 ); 1087 break; 1088 case MR_EVT_ARGS_PD_STATE: 1089 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - PD %02d(e%d/s%d) " 1090 "state prior %d new %d: %s\n", 1091 detail->seq, 1092 detail->time, 1093 detail->class.members.locale, 1094 detail->class.members.class, 1095 detail->args.pd_prog.pd.device_id, 1096 detail->args.pd_prog.pd.enclosure_index, 1097 detail->args.pd_prog.pd.slot_number, 1098 detail->args.pd_state.prev_state, 1099 detail->args.pd_state.new_state, 1100 detail->description 1101 ); 1102 break; 1103 case MR_EVT_ARGS_PCI: 1104 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - PCI 0x04%x 0x04%x " 1105 "0x04%x 0x04%x: %s\n", 1106 detail->seq, 1107 detail->time, 1108 detail->class.members.locale, 1109 detail->class.members.class, 1110 detail->args.pci.venderId, 1111 detail->args.pci.deviceId, 1112 detail->args.pci.subVenderId, 1113 detail->args.pci.subDeviceId, 1114 detail->description 1115 ); 1116 break; 1117 case MR_EVT_ARGS_RATE: 1118 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - Rebuild rate %d: %s\n", 1119 detail->seq, 1120 detail->time, 1121 detail->class.members.locale, 1122 detail->class.members.class, 1123 detail->args.rate, 1124 detail->description 1125 ); 1126 break; 1127 case MR_EVT_ARGS_TIME: 1128 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - Adapter ticks %d " 1129 "elapsed %ds: %s\n", 1130 detail->seq, 1131 detail->time, 1132 detail->class.members.locale, 1133 detail->class.members.class, 1134 detail->args.time.rtc, 1135 detail->args.time.elapsedSeconds, 1136 detail->description 1137 ); 1138 break; 1139 case MR_EVT_ARGS_ECC: 1140 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - Adapter ECC %x,%x: %s: %s\n", 1141 detail->seq, 1142 detail->time, 1143 detail->class.members.locale, 1144 detail->class.members.class, 1145 detail->args.ecc.ecar, 1146 detail->args.ecc.elog, 1147 detail->args.ecc.str, 1148 detail->description 1149 ); 1150 break; 1151 default: 1152 device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - Type %d: %s\n", 1153 detail->seq, 1154 detail->time, 1155 detail->class.members.locale, 1156 detail->class.members.class, 1157 detail->arg_type, detail->description 1158 ); 1159 } 1160} 1161 1162static int 1163mfi_aen_register(struct mfi_softc *sc, int seq, int locale) 1164{ 1165 struct mfi_command *cm; 1166 struct mfi_dcmd_frame *dcmd; 1167 union mfi_evt current_aen, prior_aen; 1168 struct mfi_evt_detail *ed = NULL; 1169 int error = 0; 1170 1171 current_aen.word = locale; 1172 if (sc->mfi_aen_cm != NULL) { 1173 prior_aen.word = 1174 ((uint32_t *)&sc->mfi_aen_cm->cm_frame->dcmd.mbox)[1]; 1175 if (prior_aen.members.class <= current_aen.members.class && 1176 !((prior_aen.members.locale & current_aen.members.locale) 1177 ^current_aen.members.locale)) { 1178 return (0); 1179 } else { 1180 prior_aen.members.locale |= current_aen.members.locale; 1181 if (prior_aen.members.class 1182 < current_aen.members.class) 1183 current_aen.members.class = 1184 prior_aen.members.class; 1185 mfi_abort(sc, sc->mfi_aen_cm); 1186 } 1187 } 1188 1189 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_EVENT_WAIT, 1190 (void **)&ed, sizeof(*ed)); 1191 if (error) { 1192 goto out; 1193 } 1194 1195 dcmd = &cm->cm_frame->dcmd; 1196 ((uint32_t *)&dcmd->mbox)[0] = seq; 1197 ((uint32_t *)&dcmd->mbox)[1] = locale; 1198 cm->cm_flags = MFI_CMD_DATAIN; 1199 cm->cm_complete = mfi_aen_complete; 1200 1201 sc->mfi_aen_cm = cm; 1202 1203 mfi_enqueue_ready(cm); 1204 mfi_startio(sc); 1205 1206out: 1207 return (error); 1208} 1209 1210static void 1211mfi_aen_complete(struct mfi_command *cm) 1212{ 1213 struct mfi_frame_header *hdr; 1214 struct mfi_softc *sc; 1215 struct mfi_evt_detail *detail; 1216 struct mfi_aen *mfi_aen_entry, *tmp; 1217 int seq = 0, aborted = 0; 1218 1219 sc = cm->cm_sc; 1220 hdr = &cm->cm_frame->header; 1221 1222 if (sc->mfi_aen_cm == NULL) 1223 return; 1224 1225 if (sc->mfi_aen_cm->cm_aen_abort || hdr->cmd_status == 0xff) { 1226 sc->mfi_aen_cm->cm_aen_abort = 0; 1227 aborted = 1; 1228 } else { 1229 sc->mfi_aen_triggered = 1; 1230 if (sc->mfi_poll_waiting) { 1231 sc->mfi_poll_waiting = 0; 1232 selwakeup(&sc->mfi_select); 1233 } 1234 detail = cm->cm_data; 1235 /* 1236 * XXX If this function is too expensive or is recursive, then 1237 * events should be put onto a queue and processed later. 1238 */ 1239 mtx_unlock(&sc->mfi_io_lock); 1240 mfi_decode_evt(sc, detail); 1241 mtx_lock(&sc->mfi_io_lock); 1242 seq = detail->seq + 1; 1243 TAILQ_FOREACH_SAFE(mfi_aen_entry, &sc->mfi_aen_pids, aen_link, tmp) { 1244 TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry, 1245 aen_link); 1246 PROC_LOCK(mfi_aen_entry->p); 1247 psignal(mfi_aen_entry->p, SIGIO); 1248 PROC_UNLOCK(mfi_aen_entry->p); 1249 free(mfi_aen_entry, M_MFIBUF); 1250 } 1251 } 1252 1253 free(cm->cm_data, M_MFIBUF); 1254 sc->mfi_aen_cm = NULL; 1255 wakeup(&sc->mfi_aen_cm); 1256 mfi_release_command(cm); 1257 1258 /* set it up again so the driver can catch more events */ 1259 if (!aborted) { 1260 mfi_aen_setup(sc, seq); 1261 } 1262} 1263 1264/* Only do one event for now so we can easily iterate through them */ 1265#define MAX_EVENTS 1 1266static int 1267mfi_get_entry(struct mfi_softc *sc, int seq) 1268{ 1269 struct mfi_command *cm; 1270 struct mfi_dcmd_frame *dcmd; 1271 struct mfi_evt_list *el; 1272 int error; 1273 int i; 1274 int size; 1275 1276 if ((cm = mfi_dequeue_free(sc)) == NULL) { 1277 return (EBUSY); 1278 } 1279 1280 size = sizeof(struct mfi_evt_list) + sizeof(struct mfi_evt_detail) 1281 * (MAX_EVENTS - 1); 1282 el = malloc(size, M_MFIBUF, M_NOWAIT | M_ZERO); 1283 if (el == NULL) { 1284 mfi_release_command(cm); 1285 return (ENOMEM); 1286 } 1287 1288 dcmd = &cm->cm_frame->dcmd; 1289 bzero(dcmd->mbox, MFI_MBOX_SIZE); 1290 dcmd->header.cmd = MFI_CMD_DCMD; 1291 dcmd->header.timeout = 0; 1292 dcmd->header.data_len = size; 1293 dcmd->opcode = MFI_DCMD_CTRL_EVENT_GET; 1294 ((uint32_t *)&dcmd->mbox)[0] = seq; 1295 ((uint32_t *)&dcmd->mbox)[1] = MFI_EVT_LOCALE_ALL; 1296 cm->cm_sg = &dcmd->sgl; 1297 cm->cm_total_frame_size = MFI_DCMD_FRAME_SIZE; 1298 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED; 1299 cm->cm_data = el; 1300 cm->cm_len = size; 1301 1302 if ((error = mfi_mapcmd(sc, cm)) != 0) { 1303 device_printf(sc->mfi_dev, "Failed to get controller entry\n"); 1304 sc->mfi_max_io = (sc->mfi_max_sge - 1) * PAGE_SIZE / 1305 MFI_SECTOR_LEN; 1306 free(el, M_MFIBUF); 1307 mfi_release_command(cm); 1308 return (0); 1309 } 1310 1311 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 1312 BUS_DMASYNC_POSTREAD); 1313 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 1314 1315 if (dcmd->header.cmd_status != MFI_STAT_NOT_FOUND) { 1316 for (i = 0; i < el->count; i++) { 1317 if (seq + i == el->event[i].seq) 1318 mfi_decode_evt(sc, &el->event[i]); 1319 } 1320 } 1321 1322 free(cm->cm_data, M_MFIBUF); 1323 mfi_release_command(cm); 1324 return (0); 1325} 1326 1327static int 1328mfi_add_ld(struct mfi_softc *sc, int id) 1329{ 1330 struct mfi_command *cm; 1331 struct mfi_dcmd_frame *dcmd = NULL; 1332 struct mfi_ld_info *ld_info = NULL; 1333 int error; 1334 1335 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1336 1337 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_LD_GET_INFO, 1338 (void **)&ld_info, sizeof(*ld_info)); 1339 if (error) { 1340 device_printf(sc->mfi_dev, 1341 "Failed to allocate for MFI_DCMD_LD_GET_INFO %d\n", error); 1342 if (ld_info) 1343 free(ld_info, M_MFIBUF); 1344 return (error); 1345 } 1346 cm->cm_flags = MFI_CMD_DATAIN; 1347 dcmd = &cm->cm_frame->dcmd; 1348 dcmd->mbox[0] = id; 1349 if (mfi_wait_command(sc, cm) != 0) { 1350 device_printf(sc->mfi_dev, 1351 "Failed to get logical drive: %d\n", id); 1352 free(ld_info, M_MFIBUF); 1353 return (0); 1354 } 1355 1356 mfi_add_ld_complete(cm); 1357 return (0); 1358} 1359 1360static void 1361mfi_add_ld_complete(struct mfi_command *cm) 1362{ 1363 struct mfi_frame_header *hdr; 1364 struct mfi_ld_info *ld_info; 1365 struct mfi_softc *sc; 1366 struct mfi_ld *ld; 1367 device_t child; 1368 1369 sc = cm->cm_sc; 1370 hdr = &cm->cm_frame->header; 1371 ld_info = cm->cm_private; 1372 1373 if (hdr->cmd_status != MFI_STAT_OK) { 1374 free(ld_info, M_MFIBUF); 1375 mfi_release_command(cm); 1376 return; 1377 } 1378 mfi_release_command(cm); 1379 1380 ld = malloc(sizeof(struct mfi_ld), M_MFIBUF, M_NOWAIT|M_ZERO); 1381 if (ld == NULL) { 1382 device_printf(sc->mfi_dev, "Cannot allocate ld\n"); 1383 free(ld_info, M_MFIBUF); 1384 return; 1385 } 1386 1387 if ((child = device_add_child(sc->mfi_dev, "mfid", -1)) == NULL) { 1388 device_printf(sc->mfi_dev, "Failed to add logical disk\n"); 1389 free(ld, M_MFIBUF); 1390 free(ld_info, M_MFIBUF); 1391 return; 1392 } 1393 1394 ld->ld_id = ld_info->ld_config.properties.ld.v.target_id; 1395 ld->ld_disk = child; 1396 ld->ld_info = ld_info; 1397 1398 device_set_ivars(child, ld); 1399 device_set_desc(child, "MFI Logical Disk"); 1400 mtx_unlock(&sc->mfi_io_lock); 1401 mtx_lock(&Giant); 1402 bus_generic_attach(sc->mfi_dev); 1403 mtx_unlock(&Giant); 1404 mtx_lock(&sc->mfi_io_lock); 1405} 1406 1407static struct mfi_command * 1408mfi_bio_command(struct mfi_softc *sc) 1409{ 1410 struct mfi_io_frame *io; 1411 struct mfi_command *cm; 1412 struct bio *bio; 1413 int flags, blkcount; 1414 1415 if ((cm = mfi_dequeue_free(sc)) == NULL) 1416 return (NULL); 1417 1418 if ((bio = mfi_dequeue_bio(sc)) == NULL) { 1419 mfi_release_command(cm); 1420 return (NULL); 1421 } 1422 1423 io = &cm->cm_frame->io; 1424 switch (bio->bio_cmd & 0x03) { 1425 case BIO_READ: 1426 io->header.cmd = MFI_CMD_LD_READ; 1427 flags = MFI_CMD_DATAIN; 1428 break; 1429 case BIO_WRITE: 1430 io->header.cmd = MFI_CMD_LD_WRITE; 1431 flags = MFI_CMD_DATAOUT; 1432 break; 1433 default: 1434 panic("Invalid bio command"); 1435 } 1436 1437 /* Cheat with the sector length to avoid a non-constant division */ 1438 blkcount = (bio->bio_bcount + MFI_SECTOR_LEN - 1) / MFI_SECTOR_LEN; 1439 io->header.target_id = (uintptr_t)bio->bio_driver1; 1440 io->header.timeout = 0; 1441 io->header.flags = 0; 1442 io->header.sense_len = MFI_SENSE_LEN; 1443 io->header.data_len = blkcount; 1444 io->sense_addr_lo = cm->cm_sense_busaddr; 1445 io->sense_addr_hi = 0; 1446 io->lba_hi = (bio->bio_pblkno & 0xffffffff00000000) >> 32; 1447 io->lba_lo = bio->bio_pblkno & 0xffffffff; 1448 cm->cm_complete = mfi_bio_complete; 1449 cm->cm_private = bio; 1450 cm->cm_data = bio->bio_data; 1451 cm->cm_len = bio->bio_bcount; 1452 cm->cm_sg = &io->sgl; 1453 cm->cm_total_frame_size = MFI_IO_FRAME_SIZE; 1454 cm->cm_flags = flags; 1455 return (cm); 1456} 1457 1458static void 1459mfi_bio_complete(struct mfi_command *cm) 1460{ 1461 struct bio *bio; 1462 struct mfi_frame_header *hdr; 1463 struct mfi_softc *sc; 1464 1465 bio = cm->cm_private; 1466 hdr = &cm->cm_frame->header; 1467 sc = cm->cm_sc; 1468 1469 if ((hdr->cmd_status != 0) || (hdr->scsi_status != 0)) { 1470 bio->bio_flags |= BIO_ERROR; 1471 bio->bio_error = EIO; 1472 device_printf(sc->mfi_dev, "I/O error, status= %d " 1473 "scsi_status= %d\n", hdr->cmd_status, hdr->scsi_status); 1474 mfi_print_sense(cm->cm_sc, cm->cm_sense); 1475 } 1476 1477 mfi_release_command(cm); 1478 mfi_disk_complete(bio); 1479} 1480 1481void 1482mfi_startio(struct mfi_softc *sc) 1483{ 1484 struct mfi_command *cm; 1485 1486 for (;;) { 1487 /* Don't bother if we're short on resources */ 1488 if (sc->mfi_flags & MFI_FLAGS_QFRZN) 1489 break; 1490 1491 /* Try a command that has already been prepared */ 1492 cm = mfi_dequeue_ready(sc); 1493 1494 /* Nope, so look for work on the bioq */ 1495 if (cm == NULL) 1496 cm = mfi_bio_command(sc); 1497 1498 /* No work available, so exit */ 1499 if (cm == NULL) 1500 break; 1501 1502 /* Send the command to the controller */ 1503 if (mfi_mapcmd(sc, cm) != 0) { 1504 mfi_requeue_ready(cm); 1505 break; 1506 } 1507 } 1508} 1509 1510static int 1511mfi_mapcmd(struct mfi_softc *sc, struct mfi_command *cm) 1512{ 1513 int error, polled; 1514 1515 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1516 1517 if (cm->cm_data != NULL) { 1518 polled = (cm->cm_flags & MFI_CMD_POLLED) ? BUS_DMA_NOWAIT : 0; 1519 error = bus_dmamap_load(sc->mfi_buffer_dmat, cm->cm_dmamap, 1520 cm->cm_data, cm->cm_len, mfi_data_cb, cm, polled); 1521 if (error == EINPROGRESS) { 1522 sc->mfi_flags |= MFI_FLAGS_QFRZN; 1523 return (0); 1524 } 1525 } else { 1526 error = mfi_send_frame(sc, cm); 1527 } 1528 1529 return (error); 1530} 1531 1532static void 1533mfi_data_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 1534{ 1535 struct mfi_frame_header *hdr; 1536 struct mfi_command *cm; 1537 union mfi_sgl *sgl; 1538 struct mfi_softc *sc; 1539 int i, dir; 1540 1541 if (error) 1542 return; 1543 1544 cm = (struct mfi_command *)arg; 1545 sc = cm->cm_sc; 1546 hdr = &cm->cm_frame->header; 1547 sgl = cm->cm_sg; 1548 1549 if ((sc->mfi_flags & MFI_FLAGS_SG64) == 0) { 1550 for (i = 0; i < nsegs; i++) { 1551 sgl->sg32[i].addr = segs[i].ds_addr; 1552 sgl->sg32[i].len = segs[i].ds_len; 1553 } 1554 } else { 1555 for (i = 0; i < nsegs; i++) { 1556 sgl->sg64[i].addr = segs[i].ds_addr; 1557 sgl->sg64[i].len = segs[i].ds_len; 1558 } 1559 hdr->flags |= MFI_FRAME_SGL64; 1560 } 1561 hdr->sg_count = nsegs; 1562 1563 dir = 0; 1564 if (cm->cm_flags & MFI_CMD_DATAIN) { 1565 dir |= BUS_DMASYNC_PREREAD; 1566 hdr->flags |= MFI_FRAME_DIR_READ; 1567 } 1568 if (cm->cm_flags & MFI_CMD_DATAOUT) { 1569 dir |= BUS_DMASYNC_PREWRITE; 1570 hdr->flags |= MFI_FRAME_DIR_WRITE; 1571 } 1572 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, dir); 1573 cm->cm_flags |= MFI_CMD_MAPPED; 1574 1575 /* 1576 * Instead of calculating the total number of frames in the 1577 * compound frame, it's already assumed that there will be at 1578 * least 1 frame, so don't compensate for the modulo of the 1579 * following division. 1580 */ 1581 cm->cm_total_frame_size += (sc->mfi_sge_size * nsegs); 1582 cm->cm_extra_frames = (cm->cm_total_frame_size - 1) / MFI_FRAME_SIZE; 1583 1584 mfi_send_frame(sc, cm); 1585 1586 return; 1587} 1588 1589static int 1590mfi_send_frame(struct mfi_softc *sc, struct mfi_command *cm) 1591{ 1592 struct mfi_frame_header *hdr; 1593 int tm = MFI_POLL_TIMEOUT_SECS * 1000; 1594 1595 hdr = &cm->cm_frame->header; 1596 1597 if ((cm->cm_flags & MFI_CMD_POLLED) == 0) { 1598 cm->cm_timestamp = time_uptime; 1599 mfi_enqueue_busy(cm); 1600 } else { 1601 hdr->cmd_status = 0xff; 1602 hdr->flags |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE; 1603 } 1604 1605 /* 1606 * The bus address of the command is aligned on a 64 byte boundary, 1607 * leaving the least 6 bits as zero. For whatever reason, the 1608 * hardware wants the address shifted right by three, leaving just 1609 * 3 zero bits. These three bits are then used as a prefetching 1610 * hint for the hardware to predict how many frames need to be 1611 * fetched across the bus. If a command has more than 8 frames 1612 * then the 3 bits are set to 0x7 and the firmware uses other 1613 * information in the command to determine the total amount to fetch. 1614 * However, FreeBSD doesn't support I/O larger than 128K, so 8 frames 1615 * is enough for both 32bit and 64bit systems. 1616 */ 1617 if (cm->cm_extra_frames > 7) 1618 cm->cm_extra_frames = 7; 1619 1620 MFI_WRITE4(sc, MFI_IQP, (cm->cm_frame_busaddr >> 3) | 1621 cm->cm_extra_frames); 1622 1623 if ((cm->cm_flags & MFI_CMD_POLLED) == 0) 1624 return (0); 1625 1626 /* This is a polled command, so busy-wait for it to complete. */ 1627 while (hdr->cmd_status == 0xff) { 1628 DELAY(1000); 1629 tm -= 1; 1630 if (tm <= 0) 1631 break; 1632 } 1633 1634 if (hdr->cmd_status == 0xff) { 1635 device_printf(sc->mfi_dev, "Frame %p timed out " 1636 "command 0x%X\n", hdr, cm->cm_frame->dcmd.opcode); 1637 return (ETIMEDOUT); 1638 } 1639 1640 return (0); 1641} 1642 1643static void 1644mfi_complete(struct mfi_softc *sc, struct mfi_command *cm) 1645{ 1646 int dir; 1647 1648 if ((cm->cm_flags & MFI_CMD_MAPPED) != 0) { 1649 dir = 0; 1650 if (cm->cm_flags & MFI_CMD_DATAIN) 1651 dir |= BUS_DMASYNC_POSTREAD; 1652 if (cm->cm_flags & MFI_CMD_DATAOUT) 1653 dir |= BUS_DMASYNC_POSTWRITE; 1654 1655 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, dir); 1656 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 1657 cm->cm_flags &= ~MFI_CMD_MAPPED; 1658 } 1659 1660 if (cm->cm_complete != NULL) 1661 cm->cm_complete(cm); 1662 else 1663 wakeup(cm); 1664} 1665 1666static int 1667mfi_abort(struct mfi_softc *sc, struct mfi_command *cm_abort) 1668{ 1669 struct mfi_command *cm; 1670 struct mfi_abort_frame *abort; 1671 int i = 0; 1672 1673 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1674 1675 if ((cm = mfi_dequeue_free(sc)) == NULL) { 1676 return (EBUSY); 1677 } 1678 1679 abort = &cm->cm_frame->abort; 1680 abort->header.cmd = MFI_CMD_ABORT; 1681 abort->header.flags = 0; 1682 abort->abort_context = cm_abort->cm_frame->header.context; 1683 abort->abort_mfi_addr_lo = cm_abort->cm_frame_busaddr; 1684 abort->abort_mfi_addr_hi = 0; 1685 cm->cm_data = NULL; 1686 cm->cm_flags = MFI_CMD_POLLED; 1687 1688 sc->mfi_aen_cm->cm_aen_abort = 1; 1689 mfi_mapcmd(sc, cm); 1690 mfi_release_command(cm); 1691 1692 while (i < 5 && sc->mfi_aen_cm != NULL) { 1693 msleep(&sc->mfi_aen_cm, &sc->mfi_io_lock, 0, "mfiabort", 5 * hz); 1694 i++; 1695 } 1696 1697 return (0); 1698} 1699 1700int 1701mfi_dump_blocks(struct mfi_softc *sc, int id, uint64_t lba, void *virt, int len) 1702{ 1703 struct mfi_command *cm; 1704 struct mfi_io_frame *io; 1705 int error; 1706 1707 if ((cm = mfi_dequeue_free(sc)) == NULL) 1708 return (EBUSY); 1709 1710 io = &cm->cm_frame->io; 1711 io->header.cmd = MFI_CMD_LD_WRITE; 1712 io->header.target_id = id; 1713 io->header.timeout = 0; 1714 io->header.flags = 0; 1715 io->header.sense_len = MFI_SENSE_LEN; 1716 io->header.data_len = (len + MFI_SECTOR_LEN - 1) / MFI_SECTOR_LEN; 1717 io->sense_addr_lo = cm->cm_sense_busaddr; 1718 io->sense_addr_hi = 0; 1719 io->lba_hi = (lba & 0xffffffff00000000) >> 32; 1720 io->lba_lo = lba & 0xffffffff; 1721 cm->cm_data = virt; 1722 cm->cm_len = len; 1723 cm->cm_sg = &io->sgl; 1724 cm->cm_total_frame_size = MFI_IO_FRAME_SIZE; 1725 cm->cm_flags = MFI_CMD_POLLED | MFI_CMD_DATAOUT; 1726 1727 error = mfi_mapcmd(sc, cm); 1728 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 1729 BUS_DMASYNC_POSTWRITE); 1730 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 1731 mfi_release_command(cm); 1732 1733 return (error); 1734} 1735 1736static int 1737mfi_open(struct cdev *dev, int flags, int fmt, d_thread_t *td) 1738{ 1739 struct mfi_softc *sc; 1740 1741 sc = dev->si_drv1; 1742 1743 mtx_lock(&sc->mfi_io_lock); 1744 sc->mfi_flags |= MFI_FLAGS_OPEN; 1745 mtx_unlock(&sc->mfi_io_lock); 1746 1747 return (0); 1748} 1749 1750static int 1751mfi_close(struct cdev *dev, int flags, int fmt, d_thread_t *td) 1752{ 1753 struct mfi_softc *sc; 1754 struct mfi_aen *mfi_aen_entry, *tmp; 1755 1756 sc = dev->si_drv1; 1757 1758 mtx_lock(&sc->mfi_io_lock); 1759 sc->mfi_flags &= ~MFI_FLAGS_OPEN; 1760 1761 TAILQ_FOREACH_SAFE(mfi_aen_entry, &sc->mfi_aen_pids, aen_link, tmp) { 1762 if (mfi_aen_entry->p == curproc) { 1763 TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry, 1764 aen_link); 1765 free(mfi_aen_entry, M_MFIBUF); 1766 } 1767 } 1768 mtx_unlock(&sc->mfi_io_lock); 1769 return (0); 1770} 1771 1772static int 1773mfi_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, d_thread_t *td) 1774{ 1775 struct mfi_softc *sc; 1776 union mfi_statrequest *ms; 1777 struct mfi_ioc_packet *ioc; 1778 struct mfi_ioc_aen *aen; 1779 struct mfi_command *cm = NULL; 1780 uint32_t context; 1781 uint8_t *sense_ptr; 1782 uint8_t *data = NULL, *temp; 1783 int i; 1784 int error; 1785 1786 sc = dev->si_drv1; 1787 error = 0; 1788 1789 switch (cmd) { 1790 case MFIIO_STATS: 1791 ms = (union mfi_statrequest *)arg; 1792 switch (ms->ms_item) { 1793 case MFIQ_FREE: 1794 case MFIQ_BIO: 1795 case MFIQ_READY: 1796 case MFIQ_BUSY: 1797 bcopy(&sc->mfi_qstat[ms->ms_item], &ms->ms_qstat, 1798 sizeof(struct mfi_qstat)); 1799 break; 1800 default: 1801 error = ENOIOCTL; 1802 break; 1803 } 1804 break; 1805 case MFI_CMD: 1806 ioc = (struct mfi_ioc_packet *)arg; 1807 1808 mtx_lock(&sc->mfi_io_lock); 1809 if ((cm = mfi_dequeue_free(sc)) == NULL) { 1810 mtx_unlock(&sc->mfi_io_lock); 1811 return (EBUSY); 1812 } 1813 mtx_unlock(&sc->mfi_io_lock); 1814 1815 /* 1816 * save off original context since copying from user 1817 * will clobber some data 1818 */ 1819 context = cm->cm_frame->header.context; 1820 1821 bcopy(ioc->mfi_frame.raw, cm->cm_frame, 1822 ioc->mfi_sgl_off); /* Linux can do 2 frames ? */ 1823 cm->cm_total_frame_size = ioc->mfi_sgl_off; 1824 cm->cm_sg = 1825 (union mfi_sgl *)&cm->cm_frame->bytes[ioc->mfi_sgl_off]; 1826 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_DATAOUT 1827 | MFI_CMD_POLLED; 1828 cm->cm_len = cm->cm_frame->header.data_len; 1829 cm->cm_data = data = malloc(cm->cm_len, M_MFIBUF, 1830 M_WAITOK | M_ZERO); 1831 if (cm->cm_data == NULL) { 1832 device_printf(sc->mfi_dev, "Malloc failed\n"); 1833 goto out; 1834 } 1835 1836 /* restore header context */ 1837 cm->cm_frame->header.context = context; 1838 1839 temp = data; 1840 for (i = 0; i < ioc->mfi_sge_count; i++) { 1841 error = copyin(ioc->mfi_sgl[i].iov_base, 1842 temp, 1843 ioc->mfi_sgl[i].iov_len); 1844 if (error != 0) { 1845 device_printf(sc->mfi_dev, 1846 "Copy in failed\n"); 1847 goto out; 1848 } 1849 temp = &temp[ioc->mfi_sgl[i].iov_len]; 1850 } 1851 1852 mtx_lock(&sc->mfi_io_lock); 1853 if ((error = mfi_mapcmd(sc, cm)) != 0) { 1854 device_printf(sc->mfi_dev, 1855 "Controller polled failed\n"); 1856 mtx_unlock(&sc->mfi_io_lock); 1857 goto out; 1858 } 1859 1860 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 1861 BUS_DMASYNC_POSTREAD); 1862 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 1863 mtx_unlock(&sc->mfi_io_lock); 1864 1865 temp = data; 1866 for (i = 0; i < ioc->mfi_sge_count; i++) { 1867 error = copyout(temp, 1868 ioc->mfi_sgl[i].iov_base, 1869 ioc->mfi_sgl[i].iov_len); 1870 if (error != 0) { 1871 device_printf(sc->mfi_dev, 1872 "Copy out failed\n"); 1873 goto out; 1874 } 1875 temp = &temp[ioc->mfi_sgl[i].iov_len]; 1876 } 1877 1878 if (ioc->mfi_sense_len) { 1879 /* copy out sense */ 1880 sense_ptr = &((struct mfi_ioc_packet*)arg) 1881 ->mfi_frame.raw[0]; 1882 error = copyout(cm->cm_sense, sense_ptr, 1883 ioc->mfi_sense_len); 1884 if (error != 0) { 1885 device_printf(sc->mfi_dev, 1886 "Copy out failed\n"); 1887 goto out; 1888 } 1889 } 1890 1891 ioc->mfi_frame.hdr.cmd_status = cm->cm_frame->header.cmd_status; 1892 if (cm->cm_frame->header.cmd_status == MFI_STAT_OK) { 1893 switch (cm->cm_frame->dcmd.opcode) { 1894 case MFI_DCMD_CFG_CLEAR: 1895 case MFI_DCMD_CFG_ADD: 1896/* 1897 mfi_ldrescan(sc); 1898*/ 1899 break; 1900 } 1901 } 1902out: 1903 if (data) 1904 free(data, M_MFIBUF); 1905 if (cm) { 1906 mtx_lock(&sc->mfi_io_lock); 1907 mfi_release_command(cm); 1908 mtx_unlock(&sc->mfi_io_lock); 1909 } 1910 1911 break; 1912 case MFI_SET_AEN: 1913 aen = (struct mfi_ioc_aen *)arg; 1914 error = mfi_aen_register(sc, aen->aen_seq_num, 1915 aen->aen_class_locale); 1916 1917 break; 1918 case MFI_LINUX_CMD_2: /* Firmware Linux ioctl shim */ 1919 { 1920 devclass_t devclass; 1921 struct mfi_linux_ioc_packet l_ioc; 1922 int adapter; 1923 1924 devclass = devclass_find("mfi"); 1925 if (devclass == NULL) 1926 return (ENOENT); 1927 1928 error = copyin(arg, &l_ioc, sizeof(l_ioc)); 1929 if (error) 1930 return (error); 1931 adapter = l_ioc.lioc_adapter_no; 1932 sc = devclass_get_softc(devclass, adapter); 1933 if (sc == NULL) 1934 return (ENOENT); 1935 return (mfi_linux_ioctl_int(sc->mfi_cdev, 1936 cmd, arg, flag, td)); 1937 break; 1938 } 1939 case MFI_LINUX_SET_AEN_2: /* AEN Linux ioctl shim */ 1940 { 1941 devclass_t devclass; 1942 struct mfi_linux_ioc_aen l_aen; 1943 int adapter; 1944 1945 devclass = devclass_find("mfi"); 1946 if (devclass == NULL) 1947 return (ENOENT); 1948 1949 error = copyin(arg, &l_aen, sizeof(l_aen)); 1950 if (error) 1951 return (error); 1952 adapter = l_aen.laen_adapter_no; 1953 sc = devclass_get_softc(devclass, adapter); 1954 if (sc == NULL) 1955 return (ENOENT); 1956 return (mfi_linux_ioctl_int(sc->mfi_cdev, 1957 cmd, arg, flag, td)); 1958 break; 1959 } 1960 default: 1961 device_printf(sc->mfi_dev, "IOCTL 0x%lx not handled\n", cmd); 1962 error = ENOENT; 1963 break; 1964 } 1965 1966 return (error); 1967} 1968 1969static int 1970mfi_linux_ioctl_int(struct cdev *dev, u_long cmd, caddr_t arg, int flag, d_thread_t *td) 1971{ 1972 struct mfi_softc *sc; 1973 struct mfi_linux_ioc_packet l_ioc; 1974 struct mfi_linux_ioc_aen l_aen; 1975 struct mfi_command *cm = NULL; 1976 struct mfi_aen *mfi_aen_entry; 1977 uint8_t *sense_ptr; 1978 uint32_t context; 1979 uint8_t *data = NULL, *temp; 1980 void *temp_convert; 1981 int i; 1982 int error; 1983 1984 sc = dev->si_drv1; 1985 error = 0; 1986 switch (cmd) { 1987 case MFI_LINUX_CMD_2: /* Firmware Linux ioctl shim */ 1988 error = copyin(arg, &l_ioc, sizeof(l_ioc)); 1989 if (error != 0) 1990 return (error); 1991 1992 if (l_ioc.lioc_sge_count > MAX_LINUX_IOCTL_SGE) { 1993 return (EINVAL); 1994 } 1995 1996 mtx_lock(&sc->mfi_io_lock); 1997 if ((cm = mfi_dequeue_free(sc)) == NULL) { 1998 mtx_unlock(&sc->mfi_io_lock); 1999 return (EBUSY); 2000 } 2001 mtx_unlock(&sc->mfi_io_lock); 2002 2003 /* 2004 * save off original context since copying from user 2005 * will clobber some data 2006 */ 2007 context = cm->cm_frame->header.context; 2008 2009 bcopy(l_ioc.lioc_frame.raw, cm->cm_frame, 2010 l_ioc.lioc_sgl_off); /* Linux can do 2 frames ? */ 2011 cm->cm_total_frame_size = l_ioc.lioc_sgl_off; 2012 cm->cm_sg = 2013 (union mfi_sgl *)&cm->cm_frame->bytes[l_ioc.lioc_sgl_off]; 2014 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_DATAOUT 2015 | MFI_CMD_POLLED; 2016 cm->cm_len = cm->cm_frame->header.data_len; 2017 cm->cm_data = data = malloc(cm->cm_len, M_MFIBUF, 2018 M_WAITOK | M_ZERO); 2019 2020 /* restore header context */ 2021 cm->cm_frame->header.context = context; 2022 2023 temp = data; 2024 for (i = 0; i < l_ioc.lioc_sge_count; i++) { 2025 temp_convert = 2026 (void *)(uintptr_t)l_ioc.lioc_sgl[i].iov_base; 2027 error = copyin(temp_convert, 2028 temp, 2029 l_ioc.lioc_sgl[i].iov_len); 2030 if (error != 0) { 2031 device_printf(sc->mfi_dev, 2032 "Copy in failed\n"); 2033 goto out; 2034 } 2035 temp = &temp[l_ioc.lioc_sgl[i].iov_len]; 2036 } 2037 2038 mtx_lock(&sc->mfi_io_lock); 2039 if ((error = mfi_mapcmd(sc, cm)) != 0) { 2040 device_printf(sc->mfi_dev, 2041 "Controller polled failed\n"); 2042 mtx_unlock(&sc->mfi_io_lock); 2043 goto out; 2044 } 2045 2046 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 2047 BUS_DMASYNC_POSTREAD); 2048 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 2049 mtx_unlock(&sc->mfi_io_lock); 2050 2051 temp = data; 2052 for (i = 0; i < l_ioc.lioc_sge_count; i++) { 2053 temp_convert = 2054 (void *)(uintptr_t)l_ioc.lioc_sgl[i].iov_base; 2055 error = copyout(temp, 2056 temp_convert, 2057 l_ioc.lioc_sgl[i].iov_len); 2058 if (error != 0) { 2059 device_printf(sc->mfi_dev, 2060 "Copy out failed\n"); 2061 goto out; 2062 } 2063 temp = &temp[l_ioc.lioc_sgl[i].iov_len]; 2064 } 2065 2066 if (l_ioc.lioc_sense_len) { 2067 /* copy out sense */ 2068 sense_ptr = &((struct mfi_linux_ioc_packet*)arg) 2069 ->lioc_frame.raw[0]; 2070 error = copyout(cm->cm_sense, sense_ptr, 2071 l_ioc.lioc_sense_len); 2072 if (error != 0) { 2073 device_printf(sc->mfi_dev, 2074 "Copy out failed\n"); 2075 goto out; 2076 } 2077 } 2078 2079 error = copyout(&cm->cm_frame->header.cmd_status, 2080 &((struct mfi_linux_ioc_packet*)arg) 2081 ->lioc_frame.hdr.cmd_status, 2082 1); 2083 if (error != 0) { 2084 device_printf(sc->mfi_dev, 2085 "Copy out failed\n"); 2086 goto out; 2087 } 2088 2089 if (cm->cm_frame->header.cmd_status == MFI_STAT_OK) { 2090 switch (cm->cm_frame->dcmd.opcode) { 2091 case MFI_DCMD_CFG_CLEAR: 2092 case MFI_DCMD_CFG_ADD: 2093 /* mfi_ldrescan(sc); */ 2094 break; 2095 } 2096 } 2097out: 2098 if (data) 2099 free(data, M_MFIBUF); 2100 if (cm) { 2101 mtx_lock(&sc->mfi_io_lock); 2102 mfi_release_command(cm); 2103 mtx_unlock(&sc->mfi_io_lock); 2104 } 2105 2106 return (error); 2107 case MFI_LINUX_SET_AEN_2: /* AEN Linux ioctl shim */ 2108 error = copyin(arg, &l_aen, sizeof(l_aen)); 2109 if (error != 0) 2110 return (error); 2111 printf("AEN IMPLEMENTED for pid %d\n", curproc->p_pid); 2112 mfi_aen_entry = malloc(sizeof(struct mfi_aen), M_MFIBUF, 2113 M_WAITOK); 2114 mtx_lock(&sc->mfi_io_lock); 2115 if (mfi_aen_entry != NULL) { 2116 mfi_aen_entry->p = curproc; 2117 TAILQ_INSERT_TAIL(&sc->mfi_aen_pids, mfi_aen_entry, 2118 aen_link); 2119 } 2120 error = mfi_aen_register(sc, l_aen.laen_seq_num, 2121 l_aen.laen_class_locale); 2122 2123 if (error != 0) { 2124 TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry, 2125 aen_link); 2126 free(mfi_aen_entry, M_MFIBUF); 2127 } 2128 mtx_unlock(&sc->mfi_io_lock); 2129 2130 return (error); 2131 default: 2132 device_printf(sc->mfi_dev, "IOCTL 0x%lx not handled\n", cmd); 2133 error = ENOENT; 2134 break; 2135 } 2136 2137 return (error); 2138} 2139 2140static int 2141mfi_poll(struct cdev *dev, int poll_events, struct thread *td) 2142{ 2143 struct mfi_softc *sc; 2144 int revents = 0; 2145 2146 sc = dev->si_drv1; 2147 2148 if (poll_events & (POLLIN | POLLRDNORM)) { 2149 if (sc->mfi_aen_triggered != 0) { 2150 revents |= poll_events & (POLLIN | POLLRDNORM); 2151 sc->mfi_aen_triggered = 0; 2152 } 2153 if (sc->mfi_aen_triggered == 0 && sc->mfi_aen_cm == NULL) { 2154 revents |= POLLERR; 2155 } 2156 } 2157 2158 if (revents == 0) { 2159 if (poll_events & (POLLIN | POLLRDNORM)) { 2160 sc->mfi_poll_waiting = 1; 2161 selrecord(td, &sc->mfi_select); 2162 } 2163 } 2164 2165 return revents; 2166} 2167 2168 2169static void 2170mfi_dump_all(void) 2171{ 2172 struct mfi_softc *sc; 2173 struct mfi_command *cm; 2174 devclass_t dc; 2175 time_t deadline; 2176 int timedout; 2177 int i; 2178 2179 dc = devclass_find("mfi"); 2180 if (dc == NULL) { 2181 printf("No mfi dev class\n"); 2182 return; 2183 } 2184 2185 for (i = 0; ; i++) { 2186 sc = devclass_get_softc(dc, i); 2187 if (sc == NULL) 2188 break; 2189 device_printf(sc->mfi_dev, "Dumping\n\n"); 2190 timedout = 0; 2191 deadline = time_uptime - MFI_CMD_TIMEOUT; 2192 mtx_lock(&sc->mfi_io_lock); 2193 TAILQ_FOREACH(cm, &sc->mfi_busy, cm_link) { 2194 if (cm->cm_timestamp < deadline) { 2195 device_printf(sc->mfi_dev, 2196 "COMMAND %p TIMEOUT AFTER %d SECONDS\n", cm, 2197 (int)(time_uptime - cm->cm_timestamp)); 2198 MFI_PRINT_CMD(cm); 2199 timedout++; 2200 } 2201 } 2202 2203#if 0 2204 if (timedout) 2205 MFI_DUMP_CMDS(SC); 2206#endif 2207 2208 mtx_unlock(&sc->mfi_io_lock); 2209 } 2210 2211 return; 2212} 2213 2214static void 2215mfi_timeout(void *data) 2216{ 2217 struct mfi_softc *sc = (struct mfi_softc *)data; 2218 struct mfi_command *cm; 2219 time_t deadline; 2220 int timedout = 0; 2221 2222 deadline = time_uptime - MFI_CMD_TIMEOUT; 2223 mtx_lock(&sc->mfi_io_lock); 2224 TAILQ_FOREACH(cm, &sc->mfi_busy, cm_link) { 2225 if (sc->mfi_aen_cm == cm) 2226 continue; 2227 if ((sc->mfi_aen_cm != cm) && (cm->cm_timestamp < deadline)) { 2228 device_printf(sc->mfi_dev, 2229 "COMMAND %p TIMEOUT AFTER %d SECONDS\n", cm, 2230 (int)(time_uptime - cm->cm_timestamp)); 2231 MFI_PRINT_CMD(cm); 2232 MFI_VALIDATE_CMD(sc, cm); 2233 timedout++; 2234 } 2235 } 2236 2237#if 0 2238 if (timedout) 2239 MFI_DUMP_CMDS(SC); 2240#endif 2241 2242 mtx_unlock(&sc->mfi_io_lock); 2243 2244 callout_reset(&sc->mfi_watchdog_callout, MFI_CMD_TIMEOUT * hz, 2245 mfi_timeout, sc); 2246 2247 if (0) 2248 mfi_dump_all(); 2249 return; 2250} 2251