1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD AND BSD-2-Clause 3 * 4 * Copyright (c) 2006 IronPort Systems 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28/*- 29 * Copyright (c) 2007 LSI Corp. 30 * Copyright (c) 2007 Rajesh Prabhakaran. 31 * All rights reserved. 32 * 33 * Redistribution and use in source and binary forms, with or without 34 * modification, are permitted provided that the following conditions 35 * are met: 36 * 1. Redistributions of source code must retain the above copyright 37 * notice, this list of conditions and the following disclaimer. 38 * 2. Redistributions in binary form must reproduce the above copyright 39 * notice, this list of conditions and the following disclaimer in the 40 * documentation and/or other materials provided with the distribution. 41 * 42 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 43 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 44 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 45 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 46 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 47 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 48 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 49 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 50 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 51 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 52 * SUCH DAMAGE. 53 */ 54 55#include <sys/cdefs.h> 56__FBSDID("$FreeBSD$"); 57 58#include "opt_mfi.h" 59 60#include <sys/param.h> 61#include <sys/systm.h> 62#include <sys/sysctl.h> 63#include <sys/malloc.h> 64#include <sys/kernel.h> 65#include <sys/poll.h> 66#include <sys/selinfo.h> 67#include <sys/bus.h> 68#include <sys/conf.h> 69#include <sys/eventhandler.h> 70#include <sys/rman.h> 71#include <sys/bio.h> 72#include <sys/ioccom.h> 73#include <sys/uio.h> 74#include <sys/proc.h> 75#include <sys/signalvar.h> 76#include <sys/sysent.h> 77#include <sys/taskqueue.h> 78 79#include <machine/bus.h> 80#include <machine/resource.h> 81 82#include <dev/mfi/mfireg.h> 83#include <dev/mfi/mfi_ioctl.h> 84#include <dev/mfi/mfivar.h> 85#include <sys/interrupt.h> 86#include <sys/priority.h> 87 88static int mfi_alloc_commands(struct mfi_softc *); 89static int mfi_comms_init(struct mfi_softc *); 90static int mfi_get_controller_info(struct mfi_softc *); 91static int mfi_get_log_state(struct mfi_softc *, 92 struct mfi_evt_log_state **); 93static int mfi_parse_entries(struct mfi_softc *, int, int); 94static void mfi_data_cb(void *, bus_dma_segment_t *, int, int); 95static void mfi_startup(void *arg); 96static void mfi_intr(void *arg); 97static void mfi_ldprobe(struct mfi_softc *sc); 98static void mfi_syspdprobe(struct mfi_softc *sc); 99static void mfi_handle_evt(void *context, int pending); 100static int mfi_aen_register(struct mfi_softc *sc, int seq, int locale); 101static void mfi_aen_complete(struct mfi_command *); 102static int mfi_add_ld(struct mfi_softc *sc, int); 103static void mfi_add_ld_complete(struct mfi_command *); 104static int mfi_add_sys_pd(struct mfi_softc *sc, int); 105static void mfi_add_sys_pd_complete(struct mfi_command *); 106static struct mfi_command * mfi_bio_command(struct mfi_softc *); 107static void mfi_bio_complete(struct mfi_command *); 108static struct mfi_command *mfi_build_ldio(struct mfi_softc *,struct bio*); 109static struct mfi_command *mfi_build_syspdio(struct mfi_softc *,struct bio*); 110static int mfi_send_frame(struct mfi_softc *, struct mfi_command *); 111static int mfi_std_send_frame(struct mfi_softc *, struct mfi_command *); 112static int mfi_abort(struct mfi_softc *, struct mfi_command **); 113static int mfi_linux_ioctl_int(struct cdev *, u_long, caddr_t, int, struct thread *); 114static void mfi_timeout(void *); 115static int mfi_user_command(struct mfi_softc *, 116 struct mfi_ioc_passthru *); 117static void mfi_enable_intr_xscale(struct mfi_softc *sc); 118static void mfi_enable_intr_ppc(struct mfi_softc *sc); 119static int32_t mfi_read_fw_status_xscale(struct mfi_softc *sc); 120static int32_t mfi_read_fw_status_ppc(struct mfi_softc *sc); 121static int mfi_check_clear_intr_xscale(struct mfi_softc *sc); 122static int mfi_check_clear_intr_ppc(struct mfi_softc *sc); 123static void mfi_issue_cmd_xscale(struct mfi_softc *sc, bus_addr_t bus_add, 124 uint32_t frame_cnt); 125static void mfi_issue_cmd_ppc(struct mfi_softc *sc, bus_addr_t bus_add, 126 uint32_t frame_cnt); 127static int mfi_config_lock(struct mfi_softc *sc, uint32_t opcode); 128static void mfi_config_unlock(struct mfi_softc *sc, int locked); 129static int mfi_check_command_pre(struct mfi_softc *sc, struct mfi_command *cm); 130static void mfi_check_command_post(struct mfi_softc *sc, struct mfi_command *cm); 131static int mfi_check_for_sscd(struct mfi_softc *sc, struct mfi_command *cm); 132 133SYSCTL_NODE(_hw, OID_AUTO, mfi, CTLFLAG_RD, 0, "MFI driver parameters"); 134static int mfi_event_locale = MFI_EVT_LOCALE_ALL; 135SYSCTL_INT(_hw_mfi, OID_AUTO, event_locale, CTLFLAG_RWTUN, &mfi_event_locale, 136 0, "event message locale"); 137 138static int mfi_event_class = MFI_EVT_CLASS_INFO; 139SYSCTL_INT(_hw_mfi, OID_AUTO, event_class, CTLFLAG_RWTUN, &mfi_event_class, 140 0, "event message class"); 141 142static int mfi_max_cmds = 128; 143SYSCTL_INT(_hw_mfi, OID_AUTO, max_cmds, CTLFLAG_RDTUN, &mfi_max_cmds, 144 0, "Max commands limit (-1 = controller limit)"); 145 146static int mfi_detect_jbod_change = 1; 147SYSCTL_INT(_hw_mfi, OID_AUTO, detect_jbod_change, CTLFLAG_RWTUN, 148 &mfi_detect_jbod_change, 0, "Detect a change to a JBOD"); 149 150int mfi_polled_cmd_timeout = MFI_POLL_TIMEOUT_SECS; 151SYSCTL_INT(_hw_mfi, OID_AUTO, polled_cmd_timeout, CTLFLAG_RWTUN, 152 &mfi_polled_cmd_timeout, 0, 153 "Polled command timeout - used for firmware flash etc (in seconds)"); 154 155static int mfi_cmd_timeout = MFI_CMD_TIMEOUT; 156SYSCTL_INT(_hw_mfi, OID_AUTO, cmd_timeout, CTLFLAG_RWTUN, &mfi_cmd_timeout, 157 0, "Command timeout (in seconds)"); 158 159/* Management interface */ 160static d_open_t mfi_open; 161static d_close_t mfi_close; 162static d_ioctl_t mfi_ioctl; 163static d_poll_t mfi_poll; 164 165static struct cdevsw mfi_cdevsw = { 166 .d_version = D_VERSION, 167 .d_flags = 0, 168 .d_open = mfi_open, 169 .d_close = mfi_close, 170 .d_ioctl = mfi_ioctl, 171 .d_poll = mfi_poll, 172 .d_name = "mfi", 173}; 174 175MALLOC_DEFINE(M_MFIBUF, "mfibuf", "Buffers for the MFI driver"); 176 177#define MFI_INQ_LENGTH SHORT_INQUIRY_LENGTH 178struct mfi_skinny_dma_info mfi_skinny; 179 180static void 181mfi_enable_intr_xscale(struct mfi_softc *sc) 182{ 183 MFI_WRITE4(sc, MFI_OMSK, 0x01); 184} 185 186static void 187mfi_enable_intr_ppc(struct mfi_softc *sc) 188{ 189 if (sc->mfi_flags & MFI_FLAGS_1078) { 190 MFI_WRITE4(sc, MFI_ODCR0, 0xFFFFFFFF); 191 MFI_WRITE4(sc, MFI_OMSK, ~MFI_1078_EIM); 192 } 193 else if (sc->mfi_flags & MFI_FLAGS_GEN2) { 194 MFI_WRITE4(sc, MFI_ODCR0, 0xFFFFFFFF); 195 MFI_WRITE4(sc, MFI_OMSK, ~MFI_GEN2_EIM); 196 } 197 else if (sc->mfi_flags & MFI_FLAGS_SKINNY) { 198 MFI_WRITE4(sc, MFI_OMSK, ~0x00000001); 199 } 200} 201 202static int32_t 203mfi_read_fw_status_xscale(struct mfi_softc *sc) 204{ 205 return MFI_READ4(sc, MFI_OMSG0); 206} 207 208static int32_t 209mfi_read_fw_status_ppc(struct mfi_softc *sc) 210{ 211 return MFI_READ4(sc, MFI_OSP0); 212} 213 214static int 215mfi_check_clear_intr_xscale(struct mfi_softc *sc) 216{ 217 int32_t status; 218 219 status = MFI_READ4(sc, MFI_OSTS); 220 if ((status & MFI_OSTS_INTR_VALID) == 0) 221 return 1; 222 223 MFI_WRITE4(sc, MFI_OSTS, status); 224 return 0; 225} 226 227static int 228mfi_check_clear_intr_ppc(struct mfi_softc *sc) 229{ 230 int32_t status; 231 232 status = MFI_READ4(sc, MFI_OSTS); 233 if (sc->mfi_flags & MFI_FLAGS_1078) { 234 if (!(status & MFI_1078_RM)) { 235 return 1; 236 } 237 } 238 else if (sc->mfi_flags & MFI_FLAGS_GEN2) { 239 if (!(status & MFI_GEN2_RM)) { 240 return 1; 241 } 242 } 243 else if (sc->mfi_flags & MFI_FLAGS_SKINNY) { 244 if (!(status & MFI_SKINNY_RM)) { 245 return 1; 246 } 247 } 248 if (sc->mfi_flags & MFI_FLAGS_SKINNY) 249 MFI_WRITE4(sc, MFI_OSTS, status); 250 else 251 MFI_WRITE4(sc, MFI_ODCR0, status); 252 return 0; 253} 254 255static void 256mfi_issue_cmd_xscale(struct mfi_softc *sc, bus_addr_t bus_add, uint32_t frame_cnt) 257{ 258 MFI_WRITE4(sc, MFI_IQP,(bus_add >>3)|frame_cnt); 259} 260 261static void 262mfi_issue_cmd_ppc(struct mfi_softc *sc, bus_addr_t bus_add, uint32_t frame_cnt) 263{ 264 if (sc->mfi_flags & MFI_FLAGS_SKINNY) { 265 MFI_WRITE4(sc, MFI_IQPL, (bus_add | frame_cnt <<1)|1 ); 266 MFI_WRITE4(sc, MFI_IQPH, 0x00000000); 267 } else { 268 MFI_WRITE4(sc, MFI_IQP, (bus_add | frame_cnt <<1)|1 ); 269 } 270} 271 272int 273mfi_transition_firmware(struct mfi_softc *sc) 274{ 275 uint32_t fw_state, cur_state; 276 int max_wait, i; 277 uint32_t cur_abs_reg_val = 0; 278 uint32_t prev_abs_reg_val = 0; 279 280 cur_abs_reg_val = sc->mfi_read_fw_status(sc); 281 fw_state = cur_abs_reg_val & MFI_FWSTATE_MASK; 282 while (fw_state != MFI_FWSTATE_READY) { 283 if (bootverbose) 284 device_printf(sc->mfi_dev, "Waiting for firmware to " 285 "become ready\n"); 286 cur_state = fw_state; 287 switch (fw_state) { 288 case MFI_FWSTATE_FAULT: 289 device_printf(sc->mfi_dev, "Firmware fault\n"); 290 return (ENXIO); 291 case MFI_FWSTATE_WAIT_HANDSHAKE: 292 if (sc->mfi_flags & MFI_FLAGS_SKINNY || sc->mfi_flags & MFI_FLAGS_TBOLT) 293 MFI_WRITE4(sc, MFI_SKINNY_IDB, MFI_FWINIT_CLEAR_HANDSHAKE); 294 else 295 MFI_WRITE4(sc, MFI_IDB, MFI_FWINIT_CLEAR_HANDSHAKE); 296 max_wait = MFI_RESET_WAIT_TIME; 297 break; 298 case MFI_FWSTATE_OPERATIONAL: 299 if (sc->mfi_flags & MFI_FLAGS_SKINNY || sc->mfi_flags & MFI_FLAGS_TBOLT) 300 MFI_WRITE4(sc, MFI_SKINNY_IDB, 7); 301 else 302 MFI_WRITE4(sc, MFI_IDB, MFI_FWINIT_READY); 303 max_wait = MFI_RESET_WAIT_TIME; 304 break; 305 case MFI_FWSTATE_UNDEFINED: 306 case MFI_FWSTATE_BB_INIT: 307 max_wait = MFI_RESET_WAIT_TIME; 308 break; 309 case MFI_FWSTATE_FW_INIT_2: 310 max_wait = MFI_RESET_WAIT_TIME; 311 break; 312 case MFI_FWSTATE_FW_INIT: 313 case MFI_FWSTATE_FLUSH_CACHE: 314 max_wait = MFI_RESET_WAIT_TIME; 315 break; 316 case MFI_FWSTATE_DEVICE_SCAN: 317 max_wait = MFI_RESET_WAIT_TIME; /* wait for 180 seconds */ 318 prev_abs_reg_val = cur_abs_reg_val; 319 break; 320 case MFI_FWSTATE_BOOT_MESSAGE_PENDING: 321 if (sc->mfi_flags & MFI_FLAGS_SKINNY || sc->mfi_flags & MFI_FLAGS_TBOLT) 322 MFI_WRITE4(sc, MFI_SKINNY_IDB, MFI_FWINIT_HOTPLUG); 323 else 324 MFI_WRITE4(sc, MFI_IDB, MFI_FWINIT_HOTPLUG); 325 max_wait = MFI_RESET_WAIT_TIME; 326 break; 327 default: 328 device_printf(sc->mfi_dev, "Unknown firmware state %#x\n", 329 fw_state); 330 return (ENXIO); 331 } 332 for (i = 0; i < (max_wait * 10); i++) { 333 cur_abs_reg_val = sc->mfi_read_fw_status(sc); 334 fw_state = cur_abs_reg_val & MFI_FWSTATE_MASK; 335 if (fw_state == cur_state) 336 DELAY(100000); 337 else 338 break; 339 } 340 if (fw_state == MFI_FWSTATE_DEVICE_SCAN) { 341 /* Check the device scanning progress */ 342 if (prev_abs_reg_val != cur_abs_reg_val) { 343 continue; 344 } 345 } 346 if (fw_state == cur_state) { 347 device_printf(sc->mfi_dev, "Firmware stuck in state " 348 "%#x\n", fw_state); 349 return (ENXIO); 350 } 351 } 352 return (0); 353} 354 355static void 356mfi_addr_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 357{ 358 bus_addr_t *addr; 359 360 addr = arg; 361 *addr = segs[0].ds_addr; 362} 363 364 365int 366mfi_attach(struct mfi_softc *sc) 367{ 368 uint32_t status; 369 int error, commsz, framessz, sensesz; 370 int frames, unit, max_fw_sge, max_fw_cmds; 371 uint32_t tb_mem_size = 0; 372 struct cdev *dev_t; 373 374 if (sc == NULL) 375 return EINVAL; 376 377 device_printf(sc->mfi_dev, "Megaraid SAS driver Ver %s \n", 378 MEGASAS_VERSION); 379 380 mtx_init(&sc->mfi_io_lock, "MFI I/O lock", NULL, MTX_DEF); 381 sx_init(&sc->mfi_config_lock, "MFI config"); 382 TAILQ_INIT(&sc->mfi_ld_tqh); 383 TAILQ_INIT(&sc->mfi_syspd_tqh); 384 TAILQ_INIT(&sc->mfi_ld_pend_tqh); 385 TAILQ_INIT(&sc->mfi_syspd_pend_tqh); 386 TAILQ_INIT(&sc->mfi_evt_queue); 387 TASK_INIT(&sc->mfi_evt_task, 0, mfi_handle_evt, sc); 388 TASK_INIT(&sc->mfi_map_sync_task, 0, mfi_handle_map_sync, sc); 389 TAILQ_INIT(&sc->mfi_aen_pids); 390 TAILQ_INIT(&sc->mfi_cam_ccbq); 391 392 mfi_initq_free(sc); 393 mfi_initq_ready(sc); 394 mfi_initq_busy(sc); 395 mfi_initq_bio(sc); 396 397 sc->adpreset = 0; 398 sc->last_seq_num = 0; 399 sc->disableOnlineCtrlReset = 1; 400 sc->issuepend_done = 1; 401 sc->hw_crit_error = 0; 402 403 if (sc->mfi_flags & MFI_FLAGS_1064R) { 404 sc->mfi_enable_intr = mfi_enable_intr_xscale; 405 sc->mfi_read_fw_status = mfi_read_fw_status_xscale; 406 sc->mfi_check_clear_intr = mfi_check_clear_intr_xscale; 407 sc->mfi_issue_cmd = mfi_issue_cmd_xscale; 408 } else if (sc->mfi_flags & MFI_FLAGS_TBOLT) { 409 sc->mfi_enable_intr = mfi_tbolt_enable_intr_ppc; 410 sc->mfi_disable_intr = mfi_tbolt_disable_intr_ppc; 411 sc->mfi_read_fw_status = mfi_tbolt_read_fw_status_ppc; 412 sc->mfi_check_clear_intr = mfi_tbolt_check_clear_intr_ppc; 413 sc->mfi_issue_cmd = mfi_tbolt_issue_cmd_ppc; 414 sc->mfi_adp_reset = mfi_tbolt_adp_reset; 415 sc->mfi_tbolt = 1; 416 TAILQ_INIT(&sc->mfi_cmd_tbolt_tqh); 417 } else { 418 sc->mfi_enable_intr = mfi_enable_intr_ppc; 419 sc->mfi_read_fw_status = mfi_read_fw_status_ppc; 420 sc->mfi_check_clear_intr = mfi_check_clear_intr_ppc; 421 sc->mfi_issue_cmd = mfi_issue_cmd_ppc; 422 } 423 424 425 /* Before we get too far, see if the firmware is working */ 426 if ((error = mfi_transition_firmware(sc)) != 0) { 427 device_printf(sc->mfi_dev, "Firmware not in READY state, " 428 "error %d\n", error); 429 return (ENXIO); 430 } 431 432 /* Start: LSIP200113393 */ 433 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 434 1, 0, /* algnmnt, boundary */ 435 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 436 BUS_SPACE_MAXADDR, /* highaddr */ 437 NULL, NULL, /* filter, filterarg */ 438 MEGASAS_MAX_NAME*sizeof(bus_addr_t), /* maxsize */ 439 1, /* msegments */ 440 MEGASAS_MAX_NAME*sizeof(bus_addr_t), /* maxsegsize */ 441 0, /* flags */ 442 NULL, NULL, /* lockfunc, lockarg */ 443 &sc->verbuf_h_dmat)) { 444 device_printf(sc->mfi_dev, "Cannot allocate verbuf_h_dmat DMA tag\n"); 445 return (ENOMEM); 446 } 447 if (bus_dmamem_alloc(sc->verbuf_h_dmat, (void **)&sc->verbuf, 448 BUS_DMA_NOWAIT, &sc->verbuf_h_dmamap)) { 449 device_printf(sc->mfi_dev, "Cannot allocate verbuf_h_dmamap memory\n"); 450 return (ENOMEM); 451 } 452 bzero(sc->verbuf, MEGASAS_MAX_NAME*sizeof(bus_addr_t)); 453 bus_dmamap_load(sc->verbuf_h_dmat, sc->verbuf_h_dmamap, 454 sc->verbuf, MEGASAS_MAX_NAME*sizeof(bus_addr_t), 455 mfi_addr_cb, &sc->verbuf_h_busaddr, 0); 456 /* End: LSIP200113393 */ 457 458 /* 459 * Get information needed for sizing the contiguous memory for the 460 * frame pool. Size down the sgl parameter since we know that 461 * we will never need more than what's required for MAXPHYS. 462 * It would be nice if these constants were available at runtime 463 * instead of compile time. 464 */ 465 status = sc->mfi_read_fw_status(sc); 466 max_fw_cmds = status & MFI_FWSTATE_MAXCMD_MASK; 467 if (mfi_max_cmds > 0 && mfi_max_cmds < max_fw_cmds) { 468 device_printf(sc->mfi_dev, "FW MaxCmds = %d, limiting to %d\n", 469 max_fw_cmds, mfi_max_cmds); 470 sc->mfi_max_fw_cmds = mfi_max_cmds; 471 } else { 472 sc->mfi_max_fw_cmds = max_fw_cmds; 473 } 474 max_fw_sge = (status & MFI_FWSTATE_MAXSGL_MASK) >> 16; 475 sc->mfi_max_sge = min(max_fw_sge, ((MFI_MAXPHYS / PAGE_SIZE) + 1)); 476 477 /* ThunderBolt Support get the contiguous memory */ 478 479 if (sc->mfi_flags & MFI_FLAGS_TBOLT) { 480 mfi_tbolt_init_globals(sc); 481 device_printf(sc->mfi_dev, "MaxCmd = %d, Drv MaxCmd = %d, " 482 "MaxSgl = %d, state = %#x\n", max_fw_cmds, 483 sc->mfi_max_fw_cmds, sc->mfi_max_sge, status); 484 tb_mem_size = mfi_tbolt_get_memory_requirement(sc); 485 486 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 487 1, 0, /* algnmnt, boundary */ 488 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 489 BUS_SPACE_MAXADDR, /* highaddr */ 490 NULL, NULL, /* filter, filterarg */ 491 tb_mem_size, /* maxsize */ 492 1, /* msegments */ 493 tb_mem_size, /* maxsegsize */ 494 0, /* flags */ 495 NULL, NULL, /* lockfunc, lockarg */ 496 &sc->mfi_tb_dmat)) { 497 device_printf(sc->mfi_dev, "Cannot allocate comms DMA tag\n"); 498 return (ENOMEM); 499 } 500 if (bus_dmamem_alloc(sc->mfi_tb_dmat, (void **)&sc->request_message_pool, 501 BUS_DMA_NOWAIT, &sc->mfi_tb_dmamap)) { 502 device_printf(sc->mfi_dev, "Cannot allocate comms memory\n"); 503 return (ENOMEM); 504 } 505 bzero(sc->request_message_pool, tb_mem_size); 506 bus_dmamap_load(sc->mfi_tb_dmat, sc->mfi_tb_dmamap, 507 sc->request_message_pool, tb_mem_size, mfi_addr_cb, &sc->mfi_tb_busaddr, 0); 508 509 /* For ThunderBolt memory init */ 510 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 511 0x100, 0, /* alignmnt, boundary */ 512 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 513 BUS_SPACE_MAXADDR, /* highaddr */ 514 NULL, NULL, /* filter, filterarg */ 515 MFI_FRAME_SIZE, /* maxsize */ 516 1, /* msegments */ 517 MFI_FRAME_SIZE, /* maxsegsize */ 518 0, /* flags */ 519 NULL, NULL, /* lockfunc, lockarg */ 520 &sc->mfi_tb_init_dmat)) { 521 device_printf(sc->mfi_dev, "Cannot allocate init DMA tag\n"); 522 return (ENOMEM); 523 } 524 if (bus_dmamem_alloc(sc->mfi_tb_init_dmat, (void **)&sc->mfi_tb_init, 525 BUS_DMA_NOWAIT, &sc->mfi_tb_init_dmamap)) { 526 device_printf(sc->mfi_dev, "Cannot allocate init memory\n"); 527 return (ENOMEM); 528 } 529 bzero(sc->mfi_tb_init, MFI_FRAME_SIZE); 530 bus_dmamap_load(sc->mfi_tb_init_dmat, sc->mfi_tb_init_dmamap, 531 sc->mfi_tb_init, MFI_FRAME_SIZE, mfi_addr_cb, 532 &sc->mfi_tb_init_busaddr, 0); 533 if (mfi_tbolt_init_desc_pool(sc, sc->request_message_pool, 534 tb_mem_size)) { 535 device_printf(sc->mfi_dev, 536 "Thunderbolt pool preparation error\n"); 537 return 0; 538 } 539 540 /* 541 Allocate DMA memory mapping for MPI2 IOC Init descriptor, 542 we are taking it different from what we have allocated for Request 543 and reply descriptors to avoid confusion later 544 */ 545 tb_mem_size = sizeof(struct MPI2_IOC_INIT_REQUEST); 546 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 547 1, 0, /* algnmnt, boundary */ 548 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 549 BUS_SPACE_MAXADDR, /* highaddr */ 550 NULL, NULL, /* filter, filterarg */ 551 tb_mem_size, /* maxsize */ 552 1, /* msegments */ 553 tb_mem_size, /* maxsegsize */ 554 0, /* flags */ 555 NULL, NULL, /* lockfunc, lockarg */ 556 &sc->mfi_tb_ioc_init_dmat)) { 557 device_printf(sc->mfi_dev, 558 "Cannot allocate comms DMA tag\n"); 559 return (ENOMEM); 560 } 561 if (bus_dmamem_alloc(sc->mfi_tb_ioc_init_dmat, 562 (void **)&sc->mfi_tb_ioc_init_desc, 563 BUS_DMA_NOWAIT, &sc->mfi_tb_ioc_init_dmamap)) { 564 device_printf(sc->mfi_dev, "Cannot allocate comms memory\n"); 565 return (ENOMEM); 566 } 567 bzero(sc->mfi_tb_ioc_init_desc, tb_mem_size); 568 bus_dmamap_load(sc->mfi_tb_ioc_init_dmat, sc->mfi_tb_ioc_init_dmamap, 569 sc->mfi_tb_ioc_init_desc, tb_mem_size, mfi_addr_cb, 570 &sc->mfi_tb_ioc_init_busaddr, 0); 571 } 572 /* 573 * Create the dma tag for data buffers. Used both for block I/O 574 * and for various internal data queries. 575 */ 576 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 577 1, 0, /* algnmnt, boundary */ 578 BUS_SPACE_MAXADDR, /* lowaddr */ 579 BUS_SPACE_MAXADDR, /* highaddr */ 580 NULL, NULL, /* filter, filterarg */ 581 BUS_SPACE_MAXSIZE_32BIT,/* maxsize */ 582 sc->mfi_max_sge, /* nsegments */ 583 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ 584 BUS_DMA_ALLOCNOW, /* flags */ 585 busdma_lock_mutex, /* lockfunc */ 586 &sc->mfi_io_lock, /* lockfuncarg */ 587 &sc->mfi_buffer_dmat)) { 588 device_printf(sc->mfi_dev, "Cannot allocate buffer DMA tag\n"); 589 return (ENOMEM); 590 } 591 592 /* 593 * Allocate DMA memory for the comms queues. Keep it under 4GB for 594 * efficiency. The mfi_hwcomms struct includes space for 1 reply queue 595 * entry, so the calculated size here will be will be 1 more than 596 * mfi_max_fw_cmds. This is apparently a requirement of the hardware. 597 */ 598 commsz = (sizeof(uint32_t) * sc->mfi_max_fw_cmds) + 599 sizeof(struct mfi_hwcomms); 600 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 601 1, 0, /* algnmnt, boundary */ 602 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 603 BUS_SPACE_MAXADDR, /* highaddr */ 604 NULL, NULL, /* filter, filterarg */ 605 commsz, /* maxsize */ 606 1, /* msegments */ 607 commsz, /* maxsegsize */ 608 0, /* flags */ 609 NULL, NULL, /* lockfunc, lockarg */ 610 &sc->mfi_comms_dmat)) { 611 device_printf(sc->mfi_dev, "Cannot allocate comms DMA tag\n"); 612 return (ENOMEM); 613 } 614 if (bus_dmamem_alloc(sc->mfi_comms_dmat, (void **)&sc->mfi_comms, 615 BUS_DMA_NOWAIT, &sc->mfi_comms_dmamap)) { 616 device_printf(sc->mfi_dev, "Cannot allocate comms memory\n"); 617 return (ENOMEM); 618 } 619 bzero(sc->mfi_comms, commsz); 620 bus_dmamap_load(sc->mfi_comms_dmat, sc->mfi_comms_dmamap, 621 sc->mfi_comms, commsz, mfi_addr_cb, &sc->mfi_comms_busaddr, 0); 622 /* 623 * Allocate DMA memory for the command frames. Keep them in the 624 * lower 4GB for efficiency. Calculate the size of the commands at 625 * the same time; each command is one 64 byte frame plus a set of 626 * additional frames for holding sg lists or other data. 627 * The assumption here is that the SG list will start at the second 628 * frame and not use the unused bytes in the first frame. While this 629 * isn't technically correct, it simplifies the calculation and allows 630 * for command frames that might be larger than an mfi_io_frame. 631 */ 632 if (sizeof(bus_addr_t) == 8) { 633 sc->mfi_sge_size = sizeof(struct mfi_sg64); 634 sc->mfi_flags |= MFI_FLAGS_SG64; 635 } else { 636 sc->mfi_sge_size = sizeof(struct mfi_sg32); 637 } 638 if (sc->mfi_flags & MFI_FLAGS_SKINNY) 639 sc->mfi_sge_size = sizeof(struct mfi_sg_skinny); 640 frames = (sc->mfi_sge_size * sc->mfi_max_sge - 1) / MFI_FRAME_SIZE + 2; 641 sc->mfi_cmd_size = frames * MFI_FRAME_SIZE; 642 framessz = sc->mfi_cmd_size * sc->mfi_max_fw_cmds; 643 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 644 64, 0, /* algnmnt, boundary */ 645 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 646 BUS_SPACE_MAXADDR, /* highaddr */ 647 NULL, NULL, /* filter, filterarg */ 648 framessz, /* maxsize */ 649 1, /* nsegments */ 650 framessz, /* maxsegsize */ 651 0, /* flags */ 652 NULL, NULL, /* lockfunc, lockarg */ 653 &sc->mfi_frames_dmat)) { 654 device_printf(sc->mfi_dev, "Cannot allocate frame DMA tag\n"); 655 return (ENOMEM); 656 } 657 if (bus_dmamem_alloc(sc->mfi_frames_dmat, (void **)&sc->mfi_frames, 658 BUS_DMA_NOWAIT, &sc->mfi_frames_dmamap)) { 659 device_printf(sc->mfi_dev, "Cannot allocate frames memory\n"); 660 return (ENOMEM); 661 } 662 bzero(sc->mfi_frames, framessz); 663 bus_dmamap_load(sc->mfi_frames_dmat, sc->mfi_frames_dmamap, 664 sc->mfi_frames, framessz, mfi_addr_cb, &sc->mfi_frames_busaddr,0); 665 /* 666 * Allocate DMA memory for the frame sense data. Keep them in the 667 * lower 4GB for efficiency 668 */ 669 sensesz = sc->mfi_max_fw_cmds * MFI_SENSE_LEN; 670 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 671 4, 0, /* algnmnt, boundary */ 672 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 673 BUS_SPACE_MAXADDR, /* highaddr */ 674 NULL, NULL, /* filter, filterarg */ 675 sensesz, /* maxsize */ 676 1, /* nsegments */ 677 sensesz, /* maxsegsize */ 678 0, /* flags */ 679 NULL, NULL, /* lockfunc, lockarg */ 680 &sc->mfi_sense_dmat)) { 681 device_printf(sc->mfi_dev, "Cannot allocate sense DMA tag\n"); 682 return (ENOMEM); 683 } 684 if (bus_dmamem_alloc(sc->mfi_sense_dmat, (void **)&sc->mfi_sense, 685 BUS_DMA_NOWAIT, &sc->mfi_sense_dmamap)) { 686 device_printf(sc->mfi_dev, "Cannot allocate sense memory\n"); 687 return (ENOMEM); 688 } 689 bus_dmamap_load(sc->mfi_sense_dmat, sc->mfi_sense_dmamap, 690 sc->mfi_sense, sensesz, mfi_addr_cb, &sc->mfi_sense_busaddr, 0); 691 if ((error = mfi_alloc_commands(sc)) != 0) 692 return (error); 693 694 /* Before moving the FW to operational state, check whether 695 * hostmemory is required by the FW or not 696 */ 697 698 /* ThunderBolt MFI_IOC2 INIT */ 699 if (sc->mfi_flags & MFI_FLAGS_TBOLT) { 700 sc->mfi_disable_intr(sc); 701 mtx_lock(&sc->mfi_io_lock); 702 if ((error = mfi_tbolt_init_MFI_queue(sc)) != 0) { 703 device_printf(sc->mfi_dev, 704 "TB Init has failed with error %d\n",error); 705 mtx_unlock(&sc->mfi_io_lock); 706 return error; 707 } 708 mtx_unlock(&sc->mfi_io_lock); 709 710 if ((error = mfi_tbolt_alloc_cmd(sc)) != 0) 711 return error; 712 if (bus_setup_intr(sc->mfi_dev, sc->mfi_irq, 713 INTR_MPSAFE|INTR_TYPE_BIO, NULL, mfi_intr_tbolt, sc, 714 &sc->mfi_intr)) { 715 device_printf(sc->mfi_dev, "Cannot set up interrupt\n"); 716 return (EINVAL); 717 } 718 sc->mfi_intr_ptr = mfi_intr_tbolt; 719 sc->mfi_enable_intr(sc); 720 } else { 721 if ((error = mfi_comms_init(sc)) != 0) 722 return (error); 723 724 if (bus_setup_intr(sc->mfi_dev, sc->mfi_irq, 725 INTR_MPSAFE|INTR_TYPE_BIO, NULL, mfi_intr, sc, &sc->mfi_intr)) { 726 device_printf(sc->mfi_dev, "Cannot set up interrupt\n"); 727 return (EINVAL); 728 } 729 sc->mfi_intr_ptr = mfi_intr; 730 sc->mfi_enable_intr(sc); 731 } 732 if ((error = mfi_get_controller_info(sc)) != 0) 733 return (error); 734 sc->disableOnlineCtrlReset = 0; 735 736 /* Register a config hook to probe the bus for arrays */ 737 sc->mfi_ich.ich_func = mfi_startup; 738 sc->mfi_ich.ich_arg = sc; 739 if (config_intrhook_establish(&sc->mfi_ich) != 0) { 740 device_printf(sc->mfi_dev, "Cannot establish configuration " 741 "hook\n"); 742 return (EINVAL); 743 } 744 mtx_lock(&sc->mfi_io_lock); 745 if ((error = mfi_aen_setup(sc, 0), 0) != 0) { 746 mtx_unlock(&sc->mfi_io_lock); 747 return (error); 748 } 749 mtx_unlock(&sc->mfi_io_lock); 750 751 /* 752 * Register a shutdown handler. 753 */ 754 if ((sc->mfi_eh = EVENTHANDLER_REGISTER(shutdown_final, mfi_shutdown, 755 sc, SHUTDOWN_PRI_DEFAULT)) == NULL) { 756 device_printf(sc->mfi_dev, "Warning: shutdown event " 757 "registration failed\n"); 758 } 759 760 /* 761 * Create the control device for doing management 762 */ 763 unit = device_get_unit(sc->mfi_dev); 764 sc->mfi_cdev = make_dev(&mfi_cdevsw, unit, UID_ROOT, GID_OPERATOR, 765 0640, "mfi%d", unit); 766 if (unit == 0) 767 make_dev_alias_p(MAKEDEV_CHECKNAME | MAKEDEV_WAITOK, &dev_t, 768 sc->mfi_cdev, "%s", "megaraid_sas_ioctl_node"); 769 if (sc->mfi_cdev != NULL) 770 sc->mfi_cdev->si_drv1 = sc; 771 SYSCTL_ADD_INT(device_get_sysctl_ctx(sc->mfi_dev), 772 SYSCTL_CHILDREN(device_get_sysctl_tree(sc->mfi_dev)), 773 OID_AUTO, "delete_busy_volumes", CTLFLAG_RW, 774 &sc->mfi_delete_busy_volumes, 0, "Allow removal of busy volumes"); 775 SYSCTL_ADD_INT(device_get_sysctl_ctx(sc->mfi_dev), 776 SYSCTL_CHILDREN(device_get_sysctl_tree(sc->mfi_dev)), 777 OID_AUTO, "keep_deleted_volumes", CTLFLAG_RW, 778 &sc->mfi_keep_deleted_volumes, 0, 779 "Don't detach the mfid device for a busy volume that is deleted"); 780 781 device_add_child(sc->mfi_dev, "mfip", -1); 782 bus_generic_attach(sc->mfi_dev); 783 784 /* Start the timeout watchdog */ 785 callout_init(&sc->mfi_watchdog_callout, 1); 786 callout_reset(&sc->mfi_watchdog_callout, mfi_cmd_timeout * hz, 787 mfi_timeout, sc); 788 789 if (sc->mfi_flags & MFI_FLAGS_TBOLT) { 790 mtx_lock(&sc->mfi_io_lock); 791 mfi_tbolt_sync_map_info(sc); 792 mtx_unlock(&sc->mfi_io_lock); 793 } 794 795 return (0); 796} 797 798static int 799mfi_alloc_commands(struct mfi_softc *sc) 800{ 801 struct mfi_command *cm; 802 int i, j; 803 804 /* 805 * XXX Should we allocate all the commands up front, or allocate on 806 * demand later like 'aac' does? 807 */ 808 sc->mfi_commands = malloc(sizeof(sc->mfi_commands[0]) * 809 sc->mfi_max_fw_cmds, M_MFIBUF, M_WAITOK | M_ZERO); 810 811 for (i = 0; i < sc->mfi_max_fw_cmds; i++) { 812 cm = &sc->mfi_commands[i]; 813 cm->cm_frame = (union mfi_frame *)((uintptr_t)sc->mfi_frames + 814 sc->mfi_cmd_size * i); 815 cm->cm_frame_busaddr = sc->mfi_frames_busaddr + 816 sc->mfi_cmd_size * i; 817 cm->cm_frame->header.context = i; 818 cm->cm_sense = &sc->mfi_sense[i]; 819 cm->cm_sense_busaddr= sc->mfi_sense_busaddr + MFI_SENSE_LEN * i; 820 cm->cm_sc = sc; 821 cm->cm_index = i; 822 if (bus_dmamap_create(sc->mfi_buffer_dmat, 0, 823 &cm->cm_dmamap) == 0) { 824 mtx_lock(&sc->mfi_io_lock); 825 mfi_release_command(cm); 826 mtx_unlock(&sc->mfi_io_lock); 827 } else { 828 device_printf(sc->mfi_dev, "Failed to allocate %d " 829 "command blocks, only allocated %d\n", 830 sc->mfi_max_fw_cmds, i - 1); 831 for (j = 0; j < i; j++) { 832 cm = &sc->mfi_commands[i]; 833 bus_dmamap_destroy(sc->mfi_buffer_dmat, 834 cm->cm_dmamap); 835 } 836 free(sc->mfi_commands, M_MFIBUF); 837 sc->mfi_commands = NULL; 838 839 return (ENOMEM); 840 } 841 } 842 843 return (0); 844} 845 846void 847mfi_release_command(struct mfi_command *cm) 848{ 849 struct mfi_frame_header *hdr; 850 uint32_t *hdr_data; 851 852 mtx_assert(&cm->cm_sc->mfi_io_lock, MA_OWNED); 853 854 /* 855 * Zero out the important fields of the frame, but make sure the 856 * context field is preserved. For efficiency, handle the fields 857 * as 32 bit words. Clear out the first S/G entry too for safety. 858 */ 859 hdr = &cm->cm_frame->header; 860 if (cm->cm_data != NULL && hdr->sg_count) { 861 cm->cm_sg->sg32[0].len = 0; 862 cm->cm_sg->sg32[0].addr = 0; 863 } 864 865 /* 866 * Command may be on other queues e.g. busy queue depending on the 867 * flow of a previous call to mfi_mapcmd, so ensure its dequeued 868 * properly 869 */ 870 if ((cm->cm_flags & MFI_ON_MFIQ_BUSY) != 0) 871 mfi_remove_busy(cm); 872 if ((cm->cm_flags & MFI_ON_MFIQ_READY) != 0) 873 mfi_remove_ready(cm); 874 875 /* We're not expecting it to be on any other queue but check */ 876 if ((cm->cm_flags & MFI_ON_MFIQ_MASK) != 0) { 877 panic("Command %p is still on another queue, flags = %#x", 878 cm, cm->cm_flags); 879 } 880 881 /* tbolt cleanup */ 882 if ((cm->cm_flags & MFI_CMD_TBOLT) != 0) { 883 mfi_tbolt_return_cmd(cm->cm_sc, 884 cm->cm_sc->mfi_cmd_pool_tbolt[cm->cm_extra_frames - 1], 885 cm); 886 } 887 888 hdr_data = (uint32_t *)cm->cm_frame; 889 hdr_data[0] = 0; /* cmd, sense_len, cmd_status, scsi_status */ 890 hdr_data[1] = 0; /* target_id, lun_id, cdb_len, sg_count */ 891 hdr_data[4] = 0; /* flags, timeout */ 892 hdr_data[5] = 0; /* data_len */ 893 894 cm->cm_extra_frames = 0; 895 cm->cm_flags = 0; 896 cm->cm_complete = NULL; 897 cm->cm_private = NULL; 898 cm->cm_data = NULL; 899 cm->cm_sg = 0; 900 cm->cm_total_frame_size = 0; 901 cm->retry_for_fw_reset = 0; 902 903 mfi_enqueue_free(cm); 904} 905 906int 907mfi_dcmd_command(struct mfi_softc *sc, struct mfi_command **cmp, 908 uint32_t opcode, void **bufp, size_t bufsize) 909{ 910 struct mfi_command *cm; 911 struct mfi_dcmd_frame *dcmd; 912 void *buf = NULL; 913 uint32_t context = 0; 914 915 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 916 917 cm = mfi_dequeue_free(sc); 918 if (cm == NULL) 919 return (EBUSY); 920 921 /* Zero out the MFI frame */ 922 context = cm->cm_frame->header.context; 923 bzero(cm->cm_frame, sizeof(union mfi_frame)); 924 cm->cm_frame->header.context = context; 925 926 if ((bufsize > 0) && (bufp != NULL)) { 927 if (*bufp == NULL) { 928 buf = malloc(bufsize, M_MFIBUF, M_NOWAIT|M_ZERO); 929 if (buf == NULL) { 930 mfi_release_command(cm); 931 return (ENOMEM); 932 } 933 *bufp = buf; 934 } else { 935 buf = *bufp; 936 } 937 } 938 939 dcmd = &cm->cm_frame->dcmd; 940 bzero(dcmd->mbox, MFI_MBOX_SIZE); 941 dcmd->header.cmd = MFI_CMD_DCMD; 942 dcmd->header.timeout = 0; 943 dcmd->header.flags = 0; 944 dcmd->header.data_len = bufsize; 945 dcmd->header.scsi_status = 0; 946 dcmd->opcode = opcode; 947 cm->cm_sg = &dcmd->sgl; 948 cm->cm_total_frame_size = MFI_DCMD_FRAME_SIZE; 949 cm->cm_flags = 0; 950 cm->cm_data = buf; 951 cm->cm_private = buf; 952 cm->cm_len = bufsize; 953 954 *cmp = cm; 955 if ((bufp != NULL) && (*bufp == NULL) && (buf != NULL)) 956 *bufp = buf; 957 return (0); 958} 959 960static int 961mfi_comms_init(struct mfi_softc *sc) 962{ 963 struct mfi_command *cm; 964 struct mfi_init_frame *init; 965 struct mfi_init_qinfo *qinfo; 966 int error; 967 uint32_t context = 0; 968 969 mtx_lock(&sc->mfi_io_lock); 970 if ((cm = mfi_dequeue_free(sc)) == NULL) { 971 mtx_unlock(&sc->mfi_io_lock); 972 return (EBUSY); 973 } 974 975 /* Zero out the MFI frame */ 976 context = cm->cm_frame->header.context; 977 bzero(cm->cm_frame, sizeof(union mfi_frame)); 978 cm->cm_frame->header.context = context; 979 980 /* 981 * Abuse the SG list area of the frame to hold the init_qinfo 982 * object; 983 */ 984 init = &cm->cm_frame->init; 985 qinfo = (struct mfi_init_qinfo *)((uintptr_t)init + MFI_FRAME_SIZE); 986 987 bzero(qinfo, sizeof(struct mfi_init_qinfo)); 988 qinfo->rq_entries = sc->mfi_max_fw_cmds + 1; 989 qinfo->rq_addr_lo = sc->mfi_comms_busaddr + 990 offsetof(struct mfi_hwcomms, hw_reply_q); 991 qinfo->pi_addr_lo = sc->mfi_comms_busaddr + 992 offsetof(struct mfi_hwcomms, hw_pi); 993 qinfo->ci_addr_lo = sc->mfi_comms_busaddr + 994 offsetof(struct mfi_hwcomms, hw_ci); 995 996 init->header.cmd = MFI_CMD_INIT; 997 init->header.data_len = sizeof(struct mfi_init_qinfo); 998 init->qinfo_new_addr_lo = cm->cm_frame_busaddr + MFI_FRAME_SIZE; 999 cm->cm_data = NULL; 1000 cm->cm_flags = MFI_CMD_POLLED; 1001 1002 if ((error = mfi_mapcmd(sc, cm)) != 0) 1003 device_printf(sc->mfi_dev, "failed to send init command\n"); 1004 mfi_release_command(cm); 1005 mtx_unlock(&sc->mfi_io_lock); 1006 1007 return (error); 1008} 1009 1010static int 1011mfi_get_controller_info(struct mfi_softc *sc) 1012{ 1013 struct mfi_command *cm = NULL; 1014 struct mfi_ctrl_info *ci = NULL; 1015 uint32_t max_sectors_1, max_sectors_2; 1016 int error; 1017 1018 mtx_lock(&sc->mfi_io_lock); 1019 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_GETINFO, 1020 (void **)&ci, sizeof(*ci)); 1021 if (error) 1022 goto out; 1023 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED; 1024 1025 if ((error = mfi_mapcmd(sc, cm)) != 0) { 1026 device_printf(sc->mfi_dev, "Failed to get controller info\n"); 1027 sc->mfi_max_io = (sc->mfi_max_sge - 1) * PAGE_SIZE / 1028 MFI_SECTOR_LEN; 1029 error = 0; 1030 goto out; 1031 } 1032 1033 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 1034 BUS_DMASYNC_POSTREAD); 1035 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 1036 1037 max_sectors_1 = (1 << ci->stripe_sz_ops.max) * ci->max_strips_per_io; 1038 max_sectors_2 = ci->max_request_size; 1039 sc->mfi_max_io = min(max_sectors_1, max_sectors_2); 1040 sc->disableOnlineCtrlReset = 1041 ci->properties.OnOffProperties.disableOnlineCtrlReset; 1042 1043out: 1044 if (ci) 1045 free(ci, M_MFIBUF); 1046 if (cm) 1047 mfi_release_command(cm); 1048 mtx_unlock(&sc->mfi_io_lock); 1049 return (error); 1050} 1051 1052static int 1053mfi_get_log_state(struct mfi_softc *sc, struct mfi_evt_log_state **log_state) 1054{ 1055 struct mfi_command *cm = NULL; 1056 int error; 1057 1058 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1059 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_EVENT_GETINFO, 1060 (void **)log_state, sizeof(**log_state)); 1061 if (error) 1062 goto out; 1063 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED; 1064 1065 if ((error = mfi_mapcmd(sc, cm)) != 0) { 1066 device_printf(sc->mfi_dev, "Failed to get log state\n"); 1067 goto out; 1068 } 1069 1070 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 1071 BUS_DMASYNC_POSTREAD); 1072 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 1073 1074out: 1075 if (cm) 1076 mfi_release_command(cm); 1077 1078 return (error); 1079} 1080 1081int 1082mfi_aen_setup(struct mfi_softc *sc, uint32_t seq_start) 1083{ 1084 struct mfi_evt_log_state *log_state = NULL; 1085 union mfi_evt class_locale; 1086 int error = 0; 1087 uint32_t seq; 1088 1089 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1090 1091 class_locale.members.reserved = 0; 1092 class_locale.members.locale = mfi_event_locale; 1093 class_locale.members.evt_class = mfi_event_class; 1094 1095 if (seq_start == 0) { 1096 if ((error = mfi_get_log_state(sc, &log_state)) != 0) 1097 goto out; 1098 sc->mfi_boot_seq_num = log_state->boot_seq_num; 1099 1100 /* 1101 * Walk through any events that fired since the last 1102 * shutdown. 1103 */ 1104 if ((error = mfi_parse_entries(sc, log_state->shutdown_seq_num, 1105 log_state->newest_seq_num)) != 0) 1106 goto out; 1107 seq = log_state->newest_seq_num; 1108 } else 1109 seq = seq_start; 1110 error = mfi_aen_register(sc, seq, class_locale.word); 1111out: 1112 free(log_state, M_MFIBUF); 1113 1114 return (error); 1115} 1116 1117int 1118mfi_wait_command(struct mfi_softc *sc, struct mfi_command *cm) 1119{ 1120 1121 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1122 cm->cm_complete = NULL; 1123 1124 /* 1125 * MegaCli can issue a DCMD of 0. In this case do nothing 1126 * and return 0 to it as status 1127 */ 1128 if (cm->cm_frame->dcmd.opcode == 0) { 1129 cm->cm_frame->header.cmd_status = MFI_STAT_OK; 1130 cm->cm_error = 0; 1131 return (cm->cm_error); 1132 } 1133 mfi_enqueue_ready(cm); 1134 mfi_startio(sc); 1135 if ((cm->cm_flags & MFI_CMD_COMPLETED) == 0) 1136 msleep(cm, &sc->mfi_io_lock, PRIBIO, "mfiwait", 0); 1137 return (cm->cm_error); 1138} 1139 1140void 1141mfi_free(struct mfi_softc *sc) 1142{ 1143 struct mfi_command *cm; 1144 int i; 1145 1146 callout_drain(&sc->mfi_watchdog_callout); 1147 1148 if (sc->mfi_cdev != NULL) 1149 destroy_dev(sc->mfi_cdev); 1150 1151 if (sc->mfi_commands != NULL) { 1152 for (i = 0; i < sc->mfi_max_fw_cmds; i++) { 1153 cm = &sc->mfi_commands[i]; 1154 bus_dmamap_destroy(sc->mfi_buffer_dmat, cm->cm_dmamap); 1155 } 1156 free(sc->mfi_commands, M_MFIBUF); 1157 sc->mfi_commands = NULL; 1158 } 1159 1160 if (sc->mfi_intr) 1161 bus_teardown_intr(sc->mfi_dev, sc->mfi_irq, sc->mfi_intr); 1162 if (sc->mfi_irq != NULL) 1163 bus_release_resource(sc->mfi_dev, SYS_RES_IRQ, sc->mfi_irq_rid, 1164 sc->mfi_irq); 1165 1166 if (sc->mfi_sense_busaddr != 0) 1167 bus_dmamap_unload(sc->mfi_sense_dmat, sc->mfi_sense_dmamap); 1168 if (sc->mfi_sense != NULL) 1169 bus_dmamem_free(sc->mfi_sense_dmat, sc->mfi_sense, 1170 sc->mfi_sense_dmamap); 1171 if (sc->mfi_sense_dmat != NULL) 1172 bus_dma_tag_destroy(sc->mfi_sense_dmat); 1173 1174 if (sc->mfi_frames_busaddr != 0) 1175 bus_dmamap_unload(sc->mfi_frames_dmat, sc->mfi_frames_dmamap); 1176 if (sc->mfi_frames != NULL) 1177 bus_dmamem_free(sc->mfi_frames_dmat, sc->mfi_frames, 1178 sc->mfi_frames_dmamap); 1179 if (sc->mfi_frames_dmat != NULL) 1180 bus_dma_tag_destroy(sc->mfi_frames_dmat); 1181 1182 if (sc->mfi_comms_busaddr != 0) 1183 bus_dmamap_unload(sc->mfi_comms_dmat, sc->mfi_comms_dmamap); 1184 if (sc->mfi_comms != NULL) 1185 bus_dmamem_free(sc->mfi_comms_dmat, sc->mfi_comms, 1186 sc->mfi_comms_dmamap); 1187 if (sc->mfi_comms_dmat != NULL) 1188 bus_dma_tag_destroy(sc->mfi_comms_dmat); 1189 1190 /* ThunderBolt contiguous memory free here */ 1191 if (sc->mfi_flags & MFI_FLAGS_TBOLT) { 1192 if (sc->mfi_tb_busaddr != 0) 1193 bus_dmamap_unload(sc->mfi_tb_dmat, sc->mfi_tb_dmamap); 1194 if (sc->request_message_pool != NULL) 1195 bus_dmamem_free(sc->mfi_tb_dmat, sc->request_message_pool, 1196 sc->mfi_tb_dmamap); 1197 if (sc->mfi_tb_dmat != NULL) 1198 bus_dma_tag_destroy(sc->mfi_tb_dmat); 1199 1200 /* Version buffer memory free */ 1201 /* Start LSIP200113393 */ 1202 if (sc->verbuf_h_busaddr != 0) 1203 bus_dmamap_unload(sc->verbuf_h_dmat, sc->verbuf_h_dmamap); 1204 if (sc->verbuf != NULL) 1205 bus_dmamem_free(sc->verbuf_h_dmat, sc->verbuf, 1206 sc->verbuf_h_dmamap); 1207 if (sc->verbuf_h_dmat != NULL) 1208 bus_dma_tag_destroy(sc->verbuf_h_dmat); 1209 1210 /* End LSIP200113393 */ 1211 /* ThunderBolt INIT packet memory Free */ 1212 if (sc->mfi_tb_init_busaddr != 0) 1213 bus_dmamap_unload(sc->mfi_tb_init_dmat, 1214 sc->mfi_tb_init_dmamap); 1215 if (sc->mfi_tb_init != NULL) 1216 bus_dmamem_free(sc->mfi_tb_init_dmat, sc->mfi_tb_init, 1217 sc->mfi_tb_init_dmamap); 1218 if (sc->mfi_tb_init_dmat != NULL) 1219 bus_dma_tag_destroy(sc->mfi_tb_init_dmat); 1220 1221 /* ThunderBolt IOC Init Desc memory free here */ 1222 if (sc->mfi_tb_ioc_init_busaddr != 0) 1223 bus_dmamap_unload(sc->mfi_tb_ioc_init_dmat, 1224 sc->mfi_tb_ioc_init_dmamap); 1225 if (sc->mfi_tb_ioc_init_desc != NULL) 1226 bus_dmamem_free(sc->mfi_tb_ioc_init_dmat, 1227 sc->mfi_tb_ioc_init_desc, 1228 sc->mfi_tb_ioc_init_dmamap); 1229 if (sc->mfi_tb_ioc_init_dmat != NULL) 1230 bus_dma_tag_destroy(sc->mfi_tb_ioc_init_dmat); 1231 if (sc->mfi_cmd_pool_tbolt != NULL) { 1232 for (int i = 0; i < sc->mfi_max_fw_cmds; i++) { 1233 if (sc->mfi_cmd_pool_tbolt[i] != NULL) { 1234 free(sc->mfi_cmd_pool_tbolt[i], 1235 M_MFIBUF); 1236 sc->mfi_cmd_pool_tbolt[i] = NULL; 1237 } 1238 } 1239 free(sc->mfi_cmd_pool_tbolt, M_MFIBUF); 1240 sc->mfi_cmd_pool_tbolt = NULL; 1241 } 1242 if (sc->request_desc_pool != NULL) { 1243 free(sc->request_desc_pool, M_MFIBUF); 1244 sc->request_desc_pool = NULL; 1245 } 1246 } 1247 if (sc->mfi_buffer_dmat != NULL) 1248 bus_dma_tag_destroy(sc->mfi_buffer_dmat); 1249 if (sc->mfi_parent_dmat != NULL) 1250 bus_dma_tag_destroy(sc->mfi_parent_dmat); 1251 1252 if (mtx_initialized(&sc->mfi_io_lock)) { 1253 mtx_destroy(&sc->mfi_io_lock); 1254 sx_destroy(&sc->mfi_config_lock); 1255 } 1256 1257 return; 1258} 1259 1260static void 1261mfi_startup(void *arg) 1262{ 1263 struct mfi_softc *sc; 1264 1265 sc = (struct mfi_softc *)arg; 1266 1267 sc->mfi_enable_intr(sc); 1268 sx_xlock(&sc->mfi_config_lock); 1269 mtx_lock(&sc->mfi_io_lock); 1270 mfi_ldprobe(sc); 1271 if (sc->mfi_flags & MFI_FLAGS_SKINNY) 1272 mfi_syspdprobe(sc); 1273 mtx_unlock(&sc->mfi_io_lock); 1274 sx_xunlock(&sc->mfi_config_lock); 1275 1276 config_intrhook_disestablish(&sc->mfi_ich); 1277} 1278 1279static void 1280mfi_intr(void *arg) 1281{ 1282 struct mfi_softc *sc; 1283 struct mfi_command *cm; 1284 uint32_t pi, ci, context; 1285 1286 sc = (struct mfi_softc *)arg; 1287 1288 if (sc->mfi_check_clear_intr(sc)) 1289 return; 1290 1291restart: 1292 pi = sc->mfi_comms->hw_pi; 1293 ci = sc->mfi_comms->hw_ci; 1294 mtx_lock(&sc->mfi_io_lock); 1295 while (ci != pi) { 1296 context = sc->mfi_comms->hw_reply_q[ci]; 1297 if (context < sc->mfi_max_fw_cmds) { 1298 cm = &sc->mfi_commands[context]; 1299 mfi_remove_busy(cm); 1300 cm->cm_error = 0; 1301 mfi_complete(sc, cm); 1302 } 1303 if (++ci == (sc->mfi_max_fw_cmds + 1)) 1304 ci = 0; 1305 } 1306 1307 sc->mfi_comms->hw_ci = ci; 1308 1309 /* Give defered I/O a chance to run */ 1310 sc->mfi_flags &= ~MFI_FLAGS_QFRZN; 1311 mfi_startio(sc); 1312 mtx_unlock(&sc->mfi_io_lock); 1313 1314 /* 1315 * Dummy read to flush the bus; this ensures that the indexes are up 1316 * to date. Restart processing if more commands have come it. 1317 */ 1318 (void)sc->mfi_read_fw_status(sc); 1319 if (pi != sc->mfi_comms->hw_pi) 1320 goto restart; 1321 1322 return; 1323} 1324 1325int 1326mfi_shutdown(struct mfi_softc *sc) 1327{ 1328 struct mfi_dcmd_frame *dcmd; 1329 struct mfi_command *cm; 1330 int error; 1331 1332 1333 if (sc->mfi_aen_cm != NULL) { 1334 sc->cm_aen_abort = 1; 1335 mfi_abort(sc, &sc->mfi_aen_cm); 1336 } 1337 1338 if (sc->mfi_map_sync_cm != NULL) { 1339 sc->cm_map_abort = 1; 1340 mfi_abort(sc, &sc->mfi_map_sync_cm); 1341 } 1342 1343 mtx_lock(&sc->mfi_io_lock); 1344 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_SHUTDOWN, NULL, 0); 1345 if (error) { 1346 mtx_unlock(&sc->mfi_io_lock); 1347 return (error); 1348 } 1349 1350 dcmd = &cm->cm_frame->dcmd; 1351 dcmd->header.flags = MFI_FRAME_DIR_NONE; 1352 cm->cm_flags = MFI_CMD_POLLED; 1353 cm->cm_data = NULL; 1354 1355 if ((error = mfi_mapcmd(sc, cm)) != 0) 1356 device_printf(sc->mfi_dev, "Failed to shutdown controller\n"); 1357 1358 mfi_release_command(cm); 1359 mtx_unlock(&sc->mfi_io_lock); 1360 return (error); 1361} 1362 1363static void 1364mfi_syspdprobe(struct mfi_softc *sc) 1365{ 1366 struct mfi_frame_header *hdr; 1367 struct mfi_command *cm = NULL; 1368 struct mfi_pd_list *pdlist = NULL; 1369 struct mfi_system_pd *syspd, *tmp; 1370 struct mfi_system_pending *syspd_pend; 1371 int error, i, found; 1372 1373 sx_assert(&sc->mfi_config_lock, SA_XLOCKED); 1374 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1375 /* Add SYSTEM PD's */ 1376 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_PD_LIST_QUERY, 1377 (void **)&pdlist, sizeof(*pdlist)); 1378 if (error) { 1379 device_printf(sc->mfi_dev, 1380 "Error while forming SYSTEM PD list\n"); 1381 goto out; 1382 } 1383 1384 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED; 1385 cm->cm_frame->dcmd.mbox[0] = MR_PD_QUERY_TYPE_EXPOSED_TO_HOST; 1386 cm->cm_frame->dcmd.mbox[1] = 0; 1387 if (mfi_mapcmd(sc, cm) != 0) { 1388 device_printf(sc->mfi_dev, 1389 "Failed to get syspd device listing\n"); 1390 goto out; 1391 } 1392 bus_dmamap_sync(sc->mfi_buffer_dmat,cm->cm_dmamap, 1393 BUS_DMASYNC_POSTREAD); 1394 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 1395 hdr = &cm->cm_frame->header; 1396 if (hdr->cmd_status != MFI_STAT_OK) { 1397 device_printf(sc->mfi_dev, 1398 "MFI_DCMD_PD_LIST_QUERY failed %x\n", hdr->cmd_status); 1399 goto out; 1400 } 1401 /* Get each PD and add it to the system */ 1402 for (i = 0; i < pdlist->count; i++) { 1403 if (pdlist->addr[i].device_id == 1404 pdlist->addr[i].encl_device_id) 1405 continue; 1406 found = 0; 1407 TAILQ_FOREACH(syspd, &sc->mfi_syspd_tqh, pd_link) { 1408 if (syspd->pd_id == pdlist->addr[i].device_id) 1409 found = 1; 1410 } 1411 TAILQ_FOREACH(syspd_pend, &sc->mfi_syspd_pend_tqh, pd_link) { 1412 if (syspd_pend->pd_id == pdlist->addr[i].device_id) 1413 found = 1; 1414 } 1415 if (found == 0) 1416 mfi_add_sys_pd(sc, pdlist->addr[i].device_id); 1417 } 1418 /* Delete SYSPD's whose state has been changed */ 1419 TAILQ_FOREACH_SAFE(syspd, &sc->mfi_syspd_tqh, pd_link, tmp) { 1420 found = 0; 1421 for (i = 0; i < pdlist->count; i++) { 1422 if (syspd->pd_id == pdlist->addr[i].device_id) { 1423 found = 1; 1424 break; 1425 } 1426 } 1427 if (found == 0) { 1428 printf("DELETE\n"); 1429 mtx_unlock(&sc->mfi_io_lock); 1430 mtx_lock(&Giant); 1431 device_delete_child(sc->mfi_dev, syspd->pd_dev); 1432 mtx_unlock(&Giant); 1433 mtx_lock(&sc->mfi_io_lock); 1434 } 1435 } 1436out: 1437 if (pdlist) 1438 free(pdlist, M_MFIBUF); 1439 if (cm) 1440 mfi_release_command(cm); 1441 1442 return; 1443} 1444 1445static void 1446mfi_ldprobe(struct mfi_softc *sc) 1447{ 1448 struct mfi_frame_header *hdr; 1449 struct mfi_command *cm = NULL; 1450 struct mfi_ld_list *list = NULL; 1451 struct mfi_disk *ld; 1452 struct mfi_disk_pending *ld_pend; 1453 int error, i; 1454 1455 sx_assert(&sc->mfi_config_lock, SA_XLOCKED); 1456 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1457 1458 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_LD_GET_LIST, 1459 (void **)&list, sizeof(*list)); 1460 if (error) 1461 goto out; 1462 1463 cm->cm_flags = MFI_CMD_DATAIN; 1464 if (mfi_wait_command(sc, cm) != 0) { 1465 device_printf(sc->mfi_dev, "Failed to get device listing\n"); 1466 goto out; 1467 } 1468 1469 hdr = &cm->cm_frame->header; 1470 if (hdr->cmd_status != MFI_STAT_OK) { 1471 device_printf(sc->mfi_dev, "MFI_DCMD_LD_GET_LIST failed %x\n", 1472 hdr->cmd_status); 1473 goto out; 1474 } 1475 1476 for (i = 0; i < list->ld_count; i++) { 1477 TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) { 1478 if (ld->ld_id == list->ld_list[i].ld.v.target_id) 1479 goto skip_add; 1480 } 1481 TAILQ_FOREACH(ld_pend, &sc->mfi_ld_pend_tqh, ld_link) { 1482 if (ld_pend->ld_id == list->ld_list[i].ld.v.target_id) 1483 goto skip_add; 1484 } 1485 mfi_add_ld(sc, list->ld_list[i].ld.v.target_id); 1486 skip_add:; 1487 } 1488out: 1489 if (list) 1490 free(list, M_MFIBUF); 1491 if (cm) 1492 mfi_release_command(cm); 1493 1494 return; 1495} 1496 1497/* 1498 * The timestamp is the number of seconds since 00:00 Jan 1, 2000. If 1499 * the bits in 24-31 are all set, then it is the number of seconds since 1500 * boot. 1501 */ 1502static const char * 1503format_timestamp(uint32_t timestamp) 1504{ 1505 static char buffer[32]; 1506 1507 if ((timestamp & 0xff000000) == 0xff000000) 1508 snprintf(buffer, sizeof(buffer), "boot + %us", timestamp & 1509 0x00ffffff); 1510 else 1511 snprintf(buffer, sizeof(buffer), "%us", timestamp); 1512 return (buffer); 1513} 1514 1515static const char * 1516format_class(int8_t class) 1517{ 1518 static char buffer[6]; 1519 1520 switch (class) { 1521 case MFI_EVT_CLASS_DEBUG: 1522 return ("debug"); 1523 case MFI_EVT_CLASS_PROGRESS: 1524 return ("progress"); 1525 case MFI_EVT_CLASS_INFO: 1526 return ("info"); 1527 case MFI_EVT_CLASS_WARNING: 1528 return ("WARN"); 1529 case MFI_EVT_CLASS_CRITICAL: 1530 return ("CRIT"); 1531 case MFI_EVT_CLASS_FATAL: 1532 return ("FATAL"); 1533 case MFI_EVT_CLASS_DEAD: 1534 return ("DEAD"); 1535 default: 1536 snprintf(buffer, sizeof(buffer), "%d", class); 1537 return (buffer); 1538 } 1539} 1540 1541static void 1542mfi_decode_evt(struct mfi_softc *sc, struct mfi_evt_detail *detail) 1543{ 1544 struct mfi_system_pd *syspd = NULL; 1545 1546 device_printf(sc->mfi_dev, "%d (%s/0x%04x/%s) - %s\n", detail->seq, 1547 format_timestamp(detail->time), detail->evt_class.members.locale, 1548 format_class(detail->evt_class.members.evt_class), 1549 detail->description); 1550 1551 /* Don't act on old AEN's or while shutting down */ 1552 if (detail->seq < sc->mfi_boot_seq_num || sc->mfi_detaching) 1553 return; 1554 1555 switch (detail->arg_type) { 1556 case MR_EVT_ARGS_NONE: 1557 if (detail->code == MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED) { 1558 device_printf(sc->mfi_dev, "HostBus scan raised\n"); 1559 if (mfi_detect_jbod_change) { 1560 /* 1561 * Probe for new SYSPD's and Delete 1562 * invalid SYSPD's 1563 */ 1564 sx_xlock(&sc->mfi_config_lock); 1565 mtx_lock(&sc->mfi_io_lock); 1566 mfi_syspdprobe(sc); 1567 mtx_unlock(&sc->mfi_io_lock); 1568 sx_xunlock(&sc->mfi_config_lock); 1569 } 1570 } 1571 break; 1572 case MR_EVT_ARGS_LD_STATE: 1573 /* During load time driver reads all the events starting 1574 * from the one that has been logged after shutdown. Avoid 1575 * these old events. 1576 */ 1577 if (detail->args.ld_state.new_state == MFI_LD_STATE_OFFLINE ) { 1578 /* Remove the LD */ 1579 struct mfi_disk *ld; 1580 TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) { 1581 if (ld->ld_id == 1582 detail->args.ld_state.ld.target_id) 1583 break; 1584 } 1585 /* 1586 Fix: for kernel panics when SSCD is removed 1587 KASSERT(ld != NULL, ("volume dissappeared")); 1588 */ 1589 if (ld != NULL) { 1590 mtx_lock(&Giant); 1591 device_delete_child(sc->mfi_dev, ld->ld_dev); 1592 mtx_unlock(&Giant); 1593 } 1594 } 1595 break; 1596 case MR_EVT_ARGS_PD: 1597 if (detail->code == MR_EVT_PD_REMOVED) { 1598 if (mfi_detect_jbod_change) { 1599 /* 1600 * If the removed device is a SYSPD then 1601 * delete it 1602 */ 1603 TAILQ_FOREACH(syspd, &sc->mfi_syspd_tqh, 1604 pd_link) { 1605 if (syspd->pd_id == 1606 detail->args.pd.device_id) { 1607 mtx_lock(&Giant); 1608 device_delete_child( 1609 sc->mfi_dev, 1610 syspd->pd_dev); 1611 mtx_unlock(&Giant); 1612 break; 1613 } 1614 } 1615 } 1616 } 1617 if (detail->code == MR_EVT_PD_INSERTED) { 1618 if (mfi_detect_jbod_change) { 1619 /* Probe for new SYSPD's */ 1620 sx_xlock(&sc->mfi_config_lock); 1621 mtx_lock(&sc->mfi_io_lock); 1622 mfi_syspdprobe(sc); 1623 mtx_unlock(&sc->mfi_io_lock); 1624 sx_xunlock(&sc->mfi_config_lock); 1625 } 1626 } 1627 if (sc->mfi_cam_rescan_cb != NULL && 1628 (detail->code == MR_EVT_PD_INSERTED || 1629 detail->code == MR_EVT_PD_REMOVED)) { 1630 sc->mfi_cam_rescan_cb(sc, detail->args.pd.device_id); 1631 } 1632 break; 1633 } 1634} 1635 1636static void 1637mfi_queue_evt(struct mfi_softc *sc, struct mfi_evt_detail *detail) 1638{ 1639 struct mfi_evt_queue_elm *elm; 1640 1641 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1642 elm = malloc(sizeof(*elm), M_MFIBUF, M_NOWAIT|M_ZERO); 1643 if (elm == NULL) 1644 return; 1645 memcpy(&elm->detail, detail, sizeof(*detail)); 1646 TAILQ_INSERT_TAIL(&sc->mfi_evt_queue, elm, link); 1647 taskqueue_enqueue(taskqueue_swi, &sc->mfi_evt_task); 1648} 1649 1650static void 1651mfi_handle_evt(void *context, int pending) 1652{ 1653 TAILQ_HEAD(,mfi_evt_queue_elm) queue; 1654 struct mfi_softc *sc; 1655 struct mfi_evt_queue_elm *elm; 1656 1657 sc = context; 1658 TAILQ_INIT(&queue); 1659 mtx_lock(&sc->mfi_io_lock); 1660 TAILQ_CONCAT(&queue, &sc->mfi_evt_queue, link); 1661 mtx_unlock(&sc->mfi_io_lock); 1662 while ((elm = TAILQ_FIRST(&queue)) != NULL) { 1663 TAILQ_REMOVE(&queue, elm, link); 1664 mfi_decode_evt(sc, &elm->detail); 1665 free(elm, M_MFIBUF); 1666 } 1667} 1668 1669static int 1670mfi_aen_register(struct mfi_softc *sc, int seq, int locale) 1671{ 1672 struct mfi_command *cm; 1673 struct mfi_dcmd_frame *dcmd; 1674 union mfi_evt current_aen, prior_aen; 1675 struct mfi_evt_detail *ed = NULL; 1676 int error = 0; 1677 1678 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1679 1680 current_aen.word = locale; 1681 if (sc->mfi_aen_cm != NULL) { 1682 prior_aen.word = 1683 ((uint32_t *)&sc->mfi_aen_cm->cm_frame->dcmd.mbox)[1]; 1684 if (prior_aen.members.evt_class <= current_aen.members.evt_class && 1685 !((prior_aen.members.locale & current_aen.members.locale) 1686 ^current_aen.members.locale)) { 1687 return (0); 1688 } else { 1689 prior_aen.members.locale |= current_aen.members.locale; 1690 if (prior_aen.members.evt_class 1691 < current_aen.members.evt_class) 1692 current_aen.members.evt_class = 1693 prior_aen.members.evt_class; 1694 mfi_abort(sc, &sc->mfi_aen_cm); 1695 } 1696 } 1697 1698 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_EVENT_WAIT, 1699 (void **)&ed, sizeof(*ed)); 1700 if (error) 1701 goto out; 1702 1703 dcmd = &cm->cm_frame->dcmd; 1704 ((uint32_t *)&dcmd->mbox)[0] = seq; 1705 ((uint32_t *)&dcmd->mbox)[1] = locale; 1706 cm->cm_flags = MFI_CMD_DATAIN; 1707 cm->cm_complete = mfi_aen_complete; 1708 1709 sc->last_seq_num = seq; 1710 sc->mfi_aen_cm = cm; 1711 1712 mfi_enqueue_ready(cm); 1713 mfi_startio(sc); 1714 1715out: 1716 return (error); 1717} 1718 1719static void 1720mfi_aen_complete(struct mfi_command *cm) 1721{ 1722 struct mfi_frame_header *hdr; 1723 struct mfi_softc *sc; 1724 struct mfi_evt_detail *detail; 1725 struct mfi_aen *mfi_aen_entry, *tmp; 1726 int seq = 0, aborted = 0; 1727 1728 sc = cm->cm_sc; 1729 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1730 1731 if (sc->mfi_aen_cm == NULL) 1732 return; 1733 1734 hdr = &cm->cm_frame->header; 1735 1736 if (sc->cm_aen_abort || 1737 hdr->cmd_status == MFI_STAT_INVALID_STATUS) { 1738 sc->cm_aen_abort = 0; 1739 aborted = 1; 1740 } else { 1741 sc->mfi_aen_triggered = 1; 1742 if (sc->mfi_poll_waiting) { 1743 sc->mfi_poll_waiting = 0; 1744 selwakeup(&sc->mfi_select); 1745 } 1746 detail = cm->cm_data; 1747 mfi_queue_evt(sc, detail); 1748 seq = detail->seq + 1; 1749 TAILQ_FOREACH_SAFE(mfi_aen_entry, &sc->mfi_aen_pids, aen_link, 1750 tmp) { 1751 TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry, 1752 aen_link); 1753 PROC_LOCK(mfi_aen_entry->p); 1754 kern_psignal(mfi_aen_entry->p, SIGIO); 1755 PROC_UNLOCK(mfi_aen_entry->p); 1756 free(mfi_aen_entry, M_MFIBUF); 1757 } 1758 } 1759 1760 free(cm->cm_data, M_MFIBUF); 1761 wakeup(&sc->mfi_aen_cm); 1762 sc->mfi_aen_cm = NULL; 1763 mfi_release_command(cm); 1764 1765 /* set it up again so the driver can catch more events */ 1766 if (!aborted) 1767 mfi_aen_setup(sc, seq); 1768} 1769 1770#define MAX_EVENTS 15 1771 1772static int 1773mfi_parse_entries(struct mfi_softc *sc, int start_seq, int stop_seq) 1774{ 1775 struct mfi_command *cm; 1776 struct mfi_dcmd_frame *dcmd; 1777 struct mfi_evt_list *el; 1778 union mfi_evt class_locale; 1779 int error, i, seq, size; 1780 1781 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1782 1783 class_locale.members.reserved = 0; 1784 class_locale.members.locale = mfi_event_locale; 1785 class_locale.members.evt_class = mfi_event_class; 1786 1787 size = sizeof(struct mfi_evt_list) + sizeof(struct mfi_evt_detail) 1788 * (MAX_EVENTS - 1); 1789 el = malloc(size, M_MFIBUF, M_NOWAIT | M_ZERO); 1790 if (el == NULL) 1791 return (ENOMEM); 1792 1793 for (seq = start_seq;;) { 1794 if ((cm = mfi_dequeue_free(sc)) == NULL) { 1795 free(el, M_MFIBUF); 1796 return (EBUSY); 1797 } 1798 1799 dcmd = &cm->cm_frame->dcmd; 1800 bzero(dcmd->mbox, MFI_MBOX_SIZE); 1801 dcmd->header.cmd = MFI_CMD_DCMD; 1802 dcmd->header.timeout = 0; 1803 dcmd->header.data_len = size; 1804 dcmd->opcode = MFI_DCMD_CTRL_EVENT_GET; 1805 ((uint32_t *)&dcmd->mbox)[0] = seq; 1806 ((uint32_t *)&dcmd->mbox)[1] = class_locale.word; 1807 cm->cm_sg = &dcmd->sgl; 1808 cm->cm_total_frame_size = MFI_DCMD_FRAME_SIZE; 1809 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED; 1810 cm->cm_data = el; 1811 cm->cm_len = size; 1812 1813 if ((error = mfi_mapcmd(sc, cm)) != 0) { 1814 device_printf(sc->mfi_dev, 1815 "Failed to get controller entries\n"); 1816 mfi_release_command(cm); 1817 break; 1818 } 1819 1820 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 1821 BUS_DMASYNC_POSTREAD); 1822 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 1823 1824 if (dcmd->header.cmd_status == MFI_STAT_NOT_FOUND) { 1825 mfi_release_command(cm); 1826 break; 1827 } 1828 if (dcmd->header.cmd_status != MFI_STAT_OK) { 1829 device_printf(sc->mfi_dev, 1830 "Error %d fetching controller entries\n", 1831 dcmd->header.cmd_status); 1832 mfi_release_command(cm); 1833 error = EIO; 1834 break; 1835 } 1836 mfi_release_command(cm); 1837 1838 for (i = 0; i < el->count; i++) { 1839 /* 1840 * If this event is newer than 'stop_seq' then 1841 * break out of the loop. Note that the log 1842 * is a circular buffer so we have to handle 1843 * the case that our stop point is earlier in 1844 * the buffer than our start point. 1845 */ 1846 if (el->event[i].seq >= stop_seq) { 1847 if (start_seq <= stop_seq) 1848 break; 1849 else if (el->event[i].seq < start_seq) 1850 break; 1851 } 1852 mfi_queue_evt(sc, &el->event[i]); 1853 } 1854 seq = el->event[el->count - 1].seq + 1; 1855 } 1856 1857 free(el, M_MFIBUF); 1858 return (error); 1859} 1860 1861static int 1862mfi_add_ld(struct mfi_softc *sc, int id) 1863{ 1864 struct mfi_command *cm; 1865 struct mfi_dcmd_frame *dcmd = NULL; 1866 struct mfi_ld_info *ld_info = NULL; 1867 struct mfi_disk_pending *ld_pend; 1868 int error; 1869 1870 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1871 1872 ld_pend = malloc(sizeof(*ld_pend), M_MFIBUF, M_NOWAIT | M_ZERO); 1873 if (ld_pend != NULL) { 1874 ld_pend->ld_id = id; 1875 TAILQ_INSERT_TAIL(&sc->mfi_ld_pend_tqh, ld_pend, ld_link); 1876 } 1877 1878 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_LD_GET_INFO, 1879 (void **)&ld_info, sizeof(*ld_info)); 1880 if (error) { 1881 device_printf(sc->mfi_dev, 1882 "Failed to allocate for MFI_DCMD_LD_GET_INFO %d\n", error); 1883 if (ld_info) 1884 free(ld_info, M_MFIBUF); 1885 return (error); 1886 } 1887 cm->cm_flags = MFI_CMD_DATAIN; 1888 dcmd = &cm->cm_frame->dcmd; 1889 dcmd->mbox[0] = id; 1890 if (mfi_wait_command(sc, cm) != 0) { 1891 device_printf(sc->mfi_dev, 1892 "Failed to get logical drive: %d\n", id); 1893 free(ld_info, M_MFIBUF); 1894 return (0); 1895 } 1896 if (ld_info->ld_config.params.isSSCD != 1) 1897 mfi_add_ld_complete(cm); 1898 else { 1899 mfi_release_command(cm); 1900 if (ld_info) /* SSCD drives ld_info free here */ 1901 free(ld_info, M_MFIBUF); 1902 } 1903 return (0); 1904} 1905 1906static void 1907mfi_add_ld_complete(struct mfi_command *cm) 1908{ 1909 struct mfi_frame_header *hdr; 1910 struct mfi_ld_info *ld_info; 1911 struct mfi_softc *sc; 1912 device_t child; 1913 1914 sc = cm->cm_sc; 1915 hdr = &cm->cm_frame->header; 1916 ld_info = cm->cm_private; 1917 1918 if (sc->cm_map_abort || hdr->cmd_status != MFI_STAT_OK) { 1919 free(ld_info, M_MFIBUF); 1920 wakeup(&sc->mfi_map_sync_cm); 1921 mfi_release_command(cm); 1922 return; 1923 } 1924 wakeup(&sc->mfi_map_sync_cm); 1925 mfi_release_command(cm); 1926 1927 mtx_unlock(&sc->mfi_io_lock); 1928 mtx_lock(&Giant); 1929 if ((child = device_add_child(sc->mfi_dev, "mfid", -1)) == NULL) { 1930 device_printf(sc->mfi_dev, "Failed to add logical disk\n"); 1931 free(ld_info, M_MFIBUF); 1932 mtx_unlock(&Giant); 1933 mtx_lock(&sc->mfi_io_lock); 1934 return; 1935 } 1936 1937 device_set_ivars(child, ld_info); 1938 device_set_desc(child, "MFI Logical Disk"); 1939 bus_generic_attach(sc->mfi_dev); 1940 mtx_unlock(&Giant); 1941 mtx_lock(&sc->mfi_io_lock); 1942} 1943 1944static int mfi_add_sys_pd(struct mfi_softc *sc, int id) 1945{ 1946 struct mfi_command *cm; 1947 struct mfi_dcmd_frame *dcmd = NULL; 1948 struct mfi_pd_info *pd_info = NULL; 1949 struct mfi_system_pending *syspd_pend; 1950 int error; 1951 1952 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1953 1954 syspd_pend = malloc(sizeof(*syspd_pend), M_MFIBUF, M_NOWAIT | M_ZERO); 1955 if (syspd_pend != NULL) { 1956 syspd_pend->pd_id = id; 1957 TAILQ_INSERT_TAIL(&sc->mfi_syspd_pend_tqh, syspd_pend, pd_link); 1958 } 1959 1960 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_PD_GET_INFO, 1961 (void **)&pd_info, sizeof(*pd_info)); 1962 if (error) { 1963 device_printf(sc->mfi_dev, 1964 "Failed to allocated for MFI_DCMD_PD_GET_INFO %d\n", 1965 error); 1966 if (pd_info) 1967 free(pd_info, M_MFIBUF); 1968 return (error); 1969 } 1970 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED; 1971 dcmd = &cm->cm_frame->dcmd; 1972 dcmd->mbox[0]=id; 1973 dcmd->header.scsi_status = 0; 1974 dcmd->header.pad0 = 0; 1975 if ((error = mfi_mapcmd(sc, cm)) != 0) { 1976 device_printf(sc->mfi_dev, 1977 "Failed to get physical drive info %d\n", id); 1978 free(pd_info, M_MFIBUF); 1979 mfi_release_command(cm); 1980 return (error); 1981 } 1982 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 1983 BUS_DMASYNC_POSTREAD); 1984 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 1985 mfi_add_sys_pd_complete(cm); 1986 return (0); 1987} 1988 1989static void 1990mfi_add_sys_pd_complete(struct mfi_command *cm) 1991{ 1992 struct mfi_frame_header *hdr; 1993 struct mfi_pd_info *pd_info; 1994 struct mfi_softc *sc; 1995 device_t child; 1996 1997 sc = cm->cm_sc; 1998 hdr = &cm->cm_frame->header; 1999 pd_info = cm->cm_private; 2000 2001 if (hdr->cmd_status != MFI_STAT_OK) { 2002 free(pd_info, M_MFIBUF); 2003 mfi_release_command(cm); 2004 return; 2005 } 2006 if (pd_info->fw_state != MFI_PD_STATE_SYSTEM) { 2007 device_printf(sc->mfi_dev, "PD=%x is not SYSTEM PD\n", 2008 pd_info->ref.v.device_id); 2009 free(pd_info, M_MFIBUF); 2010 mfi_release_command(cm); 2011 return; 2012 } 2013 mfi_release_command(cm); 2014 2015 mtx_unlock(&sc->mfi_io_lock); 2016 mtx_lock(&Giant); 2017 if ((child = device_add_child(sc->mfi_dev, "mfisyspd", -1)) == NULL) { 2018 device_printf(sc->mfi_dev, "Failed to add system pd\n"); 2019 free(pd_info, M_MFIBUF); 2020 mtx_unlock(&Giant); 2021 mtx_lock(&sc->mfi_io_lock); 2022 return; 2023 } 2024 2025 device_set_ivars(child, pd_info); 2026 device_set_desc(child, "MFI System PD"); 2027 bus_generic_attach(sc->mfi_dev); 2028 mtx_unlock(&Giant); 2029 mtx_lock(&sc->mfi_io_lock); 2030} 2031 2032static struct mfi_command * 2033mfi_bio_command(struct mfi_softc *sc) 2034{ 2035 struct bio *bio; 2036 struct mfi_command *cm = NULL; 2037 2038 /*reserving two commands to avoid starvation for IOCTL*/ 2039 if (sc->mfi_qstat[MFIQ_FREE].q_length < 2) { 2040 return (NULL); 2041 } 2042 if ((bio = mfi_dequeue_bio(sc)) == NULL) { 2043 return (NULL); 2044 } 2045 if ((uintptr_t)bio->bio_driver2 == MFI_LD_IO) { 2046 cm = mfi_build_ldio(sc, bio); 2047 } else if ((uintptr_t) bio->bio_driver2 == MFI_SYS_PD_IO) { 2048 cm = mfi_build_syspdio(sc, bio); 2049 } 2050 if (!cm) 2051 mfi_enqueue_bio(sc, bio); 2052 return cm; 2053} 2054 2055/* 2056 * mostly copied from cam/scsi/scsi_all.c:scsi_read_write 2057 */ 2058 2059int 2060mfi_build_cdb(int readop, uint8_t byte2, u_int64_t lba, u_int32_t block_count, uint8_t *cdb) 2061{ 2062 int cdb_len; 2063 2064 if (((lba & 0x1fffff) == lba) 2065 && ((block_count & 0xff) == block_count) 2066 && (byte2 == 0)) { 2067 /* We can fit in a 6 byte cdb */ 2068 struct scsi_rw_6 *scsi_cmd; 2069 2070 scsi_cmd = (struct scsi_rw_6 *)cdb; 2071 scsi_cmd->opcode = readop ? READ_6 : WRITE_6; 2072 scsi_ulto3b(lba, scsi_cmd->addr); 2073 scsi_cmd->length = block_count & 0xff; 2074 scsi_cmd->control = 0; 2075 cdb_len = sizeof(*scsi_cmd); 2076 } else if (((block_count & 0xffff) == block_count) && ((lba & 0xffffffff) == lba)) { 2077 /* Need a 10 byte CDB */ 2078 struct scsi_rw_10 *scsi_cmd; 2079 2080 scsi_cmd = (struct scsi_rw_10 *)cdb; 2081 scsi_cmd->opcode = readop ? READ_10 : WRITE_10; 2082 scsi_cmd->byte2 = byte2; 2083 scsi_ulto4b(lba, scsi_cmd->addr); 2084 scsi_cmd->reserved = 0; 2085 scsi_ulto2b(block_count, scsi_cmd->length); 2086 scsi_cmd->control = 0; 2087 cdb_len = sizeof(*scsi_cmd); 2088 } else if (((block_count & 0xffffffff) == block_count) && 2089 ((lba & 0xffffffff) == lba)) { 2090 /* Block count is too big for 10 byte CDB use a 12 byte CDB */ 2091 struct scsi_rw_12 *scsi_cmd; 2092 2093 scsi_cmd = (struct scsi_rw_12 *)cdb; 2094 scsi_cmd->opcode = readop ? READ_12 : WRITE_12; 2095 scsi_cmd->byte2 = byte2; 2096 scsi_ulto4b(lba, scsi_cmd->addr); 2097 scsi_cmd->reserved = 0; 2098 scsi_ulto4b(block_count, scsi_cmd->length); 2099 scsi_cmd->control = 0; 2100 cdb_len = sizeof(*scsi_cmd); 2101 } else { 2102 /* 2103 * 16 byte CDB. We'll only get here if the LBA is larger 2104 * than 2^32 2105 */ 2106 struct scsi_rw_16 *scsi_cmd; 2107 2108 scsi_cmd = (struct scsi_rw_16 *)cdb; 2109 scsi_cmd->opcode = readop ? READ_16 : WRITE_16; 2110 scsi_cmd->byte2 = byte2; 2111 scsi_u64to8b(lba, scsi_cmd->addr); 2112 scsi_cmd->reserved = 0; 2113 scsi_ulto4b(block_count, scsi_cmd->length); 2114 scsi_cmd->control = 0; 2115 cdb_len = sizeof(*scsi_cmd); 2116 } 2117 2118 return cdb_len; 2119} 2120 2121extern char *unmapped_buf; 2122 2123static struct mfi_command * 2124mfi_build_syspdio(struct mfi_softc *sc, struct bio *bio) 2125{ 2126 struct mfi_command *cm; 2127 struct mfi_pass_frame *pass; 2128 uint32_t context = 0; 2129 int flags = 0, blkcount = 0, readop; 2130 uint8_t cdb_len; 2131 2132 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 2133 2134 if ((cm = mfi_dequeue_free(sc)) == NULL) 2135 return (NULL); 2136 2137 /* Zero out the MFI frame */ 2138 context = cm->cm_frame->header.context; 2139 bzero(cm->cm_frame, sizeof(union mfi_frame)); 2140 cm->cm_frame->header.context = context; 2141 pass = &cm->cm_frame->pass; 2142 bzero(pass->cdb, 16); 2143 pass->header.cmd = MFI_CMD_PD_SCSI_IO; 2144 switch (bio->bio_cmd) { 2145 case BIO_READ: 2146 flags = MFI_CMD_DATAIN | MFI_CMD_BIO; 2147 readop = 1; 2148 break; 2149 case BIO_WRITE: 2150 flags = MFI_CMD_DATAOUT | MFI_CMD_BIO; 2151 readop = 0; 2152 break; 2153 default: 2154 /* TODO: what about BIO_DELETE??? */ 2155 panic("Unsupported bio command %x\n", bio->bio_cmd); 2156 } 2157 2158 /* Cheat with the sector length to avoid a non-constant division */ 2159 blkcount = howmany(bio->bio_bcount, MFI_SECTOR_LEN); 2160 /* Fill the LBA and Transfer length in CDB */ 2161 cdb_len = mfi_build_cdb(readop, 0, bio->bio_pblkno, blkcount, 2162 pass->cdb); 2163 pass->header.target_id = (uintptr_t)bio->bio_driver1; 2164 pass->header.lun_id = 0; 2165 pass->header.timeout = 0; 2166 pass->header.flags = 0; 2167 pass->header.scsi_status = 0; 2168 pass->header.sense_len = MFI_SENSE_LEN; 2169 pass->header.data_len = bio->bio_bcount; 2170 pass->header.cdb_len = cdb_len; 2171 pass->sense_addr_lo = (uint32_t)cm->cm_sense_busaddr; 2172 pass->sense_addr_hi = (uint32_t)((uint64_t)cm->cm_sense_busaddr >> 32); 2173 cm->cm_complete = mfi_bio_complete; 2174 cm->cm_private = bio; 2175 cm->cm_data = unmapped_buf; 2176 cm->cm_len = bio->bio_bcount; 2177 cm->cm_sg = &pass->sgl; 2178 cm->cm_total_frame_size = MFI_PASS_FRAME_SIZE; 2179 cm->cm_flags = flags; 2180 2181 return (cm); 2182} 2183 2184static struct mfi_command * 2185mfi_build_ldio(struct mfi_softc *sc, struct bio *bio) 2186{ 2187 struct mfi_io_frame *io; 2188 struct mfi_command *cm; 2189 int flags; 2190 uint32_t blkcount; 2191 uint32_t context = 0; 2192 2193 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 2194 2195 if ((cm = mfi_dequeue_free(sc)) == NULL) 2196 return (NULL); 2197 2198 /* Zero out the MFI frame */ 2199 context = cm->cm_frame->header.context; 2200 bzero(cm->cm_frame, sizeof(union mfi_frame)); 2201 cm->cm_frame->header.context = context; 2202 io = &cm->cm_frame->io; 2203 switch (bio->bio_cmd) { 2204 case BIO_READ: 2205 io->header.cmd = MFI_CMD_LD_READ; 2206 flags = MFI_CMD_DATAIN | MFI_CMD_BIO; 2207 break; 2208 case BIO_WRITE: 2209 io->header.cmd = MFI_CMD_LD_WRITE; 2210 flags = MFI_CMD_DATAOUT | MFI_CMD_BIO; 2211 break; 2212 default: 2213 /* TODO: what about BIO_DELETE??? */ 2214 panic("Unsupported bio command %x\n", bio->bio_cmd); 2215 } 2216 2217 /* Cheat with the sector length to avoid a non-constant division */ 2218 blkcount = howmany(bio->bio_bcount, MFI_SECTOR_LEN); 2219 io->header.target_id = (uintptr_t)bio->bio_driver1; 2220 io->header.timeout = 0; 2221 io->header.flags = 0; 2222 io->header.scsi_status = 0; 2223 io->header.sense_len = MFI_SENSE_LEN; 2224 io->header.data_len = blkcount; 2225 io->sense_addr_lo = (uint32_t)cm->cm_sense_busaddr; 2226 io->sense_addr_hi = (uint32_t)((uint64_t)cm->cm_sense_busaddr >> 32); 2227 io->lba_hi = (bio->bio_pblkno & 0xffffffff00000000) >> 32; 2228 io->lba_lo = bio->bio_pblkno & 0xffffffff; 2229 cm->cm_complete = mfi_bio_complete; 2230 cm->cm_private = bio; 2231 cm->cm_data = unmapped_buf; 2232 cm->cm_len = bio->bio_bcount; 2233 cm->cm_sg = &io->sgl; 2234 cm->cm_total_frame_size = MFI_IO_FRAME_SIZE; 2235 cm->cm_flags = flags; 2236 2237 return (cm); 2238} 2239 2240static void 2241mfi_bio_complete(struct mfi_command *cm) 2242{ 2243 struct bio *bio; 2244 struct mfi_frame_header *hdr; 2245 struct mfi_softc *sc; 2246 2247 bio = cm->cm_private; 2248 hdr = &cm->cm_frame->header; 2249 sc = cm->cm_sc; 2250 2251 if ((hdr->cmd_status != MFI_STAT_OK) || (hdr->scsi_status != 0)) { 2252 bio->bio_flags |= BIO_ERROR; 2253 bio->bio_error = EIO; 2254 device_printf(sc->mfi_dev, "I/O error, cmd=%p, status=%#x, " 2255 "scsi_status=%#x\n", cm, hdr->cmd_status, hdr->scsi_status); 2256 mfi_print_sense(cm->cm_sc, cm->cm_sense); 2257 } else if (cm->cm_error != 0) { 2258 bio->bio_flags |= BIO_ERROR; 2259 bio->bio_error = cm->cm_error; 2260 device_printf(sc->mfi_dev, "I/O error, cmd=%p, error=%#x\n", 2261 cm, cm->cm_error); 2262 } 2263 2264 mfi_release_command(cm); 2265 mfi_disk_complete(bio); 2266} 2267 2268void 2269mfi_startio(struct mfi_softc *sc) 2270{ 2271 struct mfi_command *cm; 2272 struct ccb_hdr *ccbh; 2273 2274 for (;;) { 2275 /* Don't bother if we're short on resources */ 2276 if (sc->mfi_flags & MFI_FLAGS_QFRZN) 2277 break; 2278 2279 /* Try a command that has already been prepared */ 2280 cm = mfi_dequeue_ready(sc); 2281 2282 if (cm == NULL) { 2283 if ((ccbh = TAILQ_FIRST(&sc->mfi_cam_ccbq)) != NULL) 2284 cm = sc->mfi_cam_start(ccbh); 2285 } 2286 2287 /* Nope, so look for work on the bioq */ 2288 if (cm == NULL) 2289 cm = mfi_bio_command(sc); 2290 2291 /* No work available, so exit */ 2292 if (cm == NULL) 2293 break; 2294 2295 /* Send the command to the controller */ 2296 if (mfi_mapcmd(sc, cm) != 0) { 2297 device_printf(sc->mfi_dev, "Failed to startio\n"); 2298 mfi_requeue_ready(cm); 2299 break; 2300 } 2301 } 2302} 2303 2304int 2305mfi_mapcmd(struct mfi_softc *sc, struct mfi_command *cm) 2306{ 2307 int error, polled; 2308 2309 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 2310 2311 if ((cm->cm_data != NULL) && (cm->cm_frame->header.cmd != MFI_CMD_STP )) { 2312 polled = (cm->cm_flags & MFI_CMD_POLLED) ? BUS_DMA_NOWAIT : 0; 2313 if (cm->cm_flags & MFI_CMD_CCB) 2314 error = bus_dmamap_load_ccb(sc->mfi_buffer_dmat, 2315 cm->cm_dmamap, cm->cm_data, mfi_data_cb, cm, 2316 polled); 2317 else if (cm->cm_flags & MFI_CMD_BIO) 2318 error = bus_dmamap_load_bio(sc->mfi_buffer_dmat, 2319 cm->cm_dmamap, cm->cm_private, mfi_data_cb, cm, 2320 polled); 2321 else 2322 error = bus_dmamap_load(sc->mfi_buffer_dmat, 2323 cm->cm_dmamap, cm->cm_data, cm->cm_len, 2324 mfi_data_cb, cm, polled); 2325 if (error == EINPROGRESS) { 2326 sc->mfi_flags |= MFI_FLAGS_QFRZN; 2327 return (0); 2328 } 2329 } else { 2330 error = mfi_send_frame(sc, cm); 2331 } 2332 2333 return (error); 2334} 2335 2336static void 2337mfi_data_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 2338{ 2339 struct mfi_frame_header *hdr; 2340 struct mfi_command *cm; 2341 union mfi_sgl *sgl; 2342 struct mfi_softc *sc; 2343 int i, j, first, dir; 2344 int sge_size, locked; 2345 2346 cm = (struct mfi_command *)arg; 2347 sc = cm->cm_sc; 2348 hdr = &cm->cm_frame->header; 2349 sgl = cm->cm_sg; 2350 2351 /* 2352 * We need to check if we have the lock as this is async 2353 * callback so even though our caller mfi_mapcmd asserts 2354 * it has the lock, there is no guarantee that hasn't been 2355 * dropped if bus_dmamap_load returned prior to our 2356 * completion. 2357 */ 2358 if ((locked = mtx_owned(&sc->mfi_io_lock)) == 0) 2359 mtx_lock(&sc->mfi_io_lock); 2360 2361 if (error) { 2362 printf("error %d in callback\n", error); 2363 cm->cm_error = error; 2364 mfi_complete(sc, cm); 2365 goto out; 2366 } 2367 /* Use IEEE sgl only for IO's on a SKINNY controller 2368 * For other commands on a SKINNY controller use either 2369 * sg32 or sg64 based on the sizeof(bus_addr_t). 2370 * Also calculate the total frame size based on the type 2371 * of SGL used. 2372 */ 2373 if (((cm->cm_frame->header.cmd == MFI_CMD_PD_SCSI_IO) || 2374 (cm->cm_frame->header.cmd == MFI_CMD_LD_READ) || 2375 (cm->cm_frame->header.cmd == MFI_CMD_LD_WRITE)) && 2376 (sc->mfi_flags & MFI_FLAGS_SKINNY)) { 2377 for (i = 0; i < nsegs; i++) { 2378 sgl->sg_skinny[i].addr = segs[i].ds_addr; 2379 sgl->sg_skinny[i].len = segs[i].ds_len; 2380 sgl->sg_skinny[i].flag = 0; 2381 } 2382 hdr->flags |= MFI_FRAME_IEEE_SGL | MFI_FRAME_SGL64; 2383 sge_size = sizeof(struct mfi_sg_skinny); 2384 hdr->sg_count = nsegs; 2385 } else { 2386 j = 0; 2387 if (cm->cm_frame->header.cmd == MFI_CMD_STP) { 2388 first = cm->cm_stp_len; 2389 if ((sc->mfi_flags & MFI_FLAGS_SG64) == 0) { 2390 sgl->sg32[j].addr = segs[0].ds_addr; 2391 sgl->sg32[j++].len = first; 2392 } else { 2393 sgl->sg64[j].addr = segs[0].ds_addr; 2394 sgl->sg64[j++].len = first; 2395 } 2396 } else 2397 first = 0; 2398 if ((sc->mfi_flags & MFI_FLAGS_SG64) == 0) { 2399 for (i = 0; i < nsegs; i++) { 2400 sgl->sg32[j].addr = segs[i].ds_addr + first; 2401 sgl->sg32[j++].len = segs[i].ds_len - first; 2402 first = 0; 2403 } 2404 } else { 2405 for (i = 0; i < nsegs; i++) { 2406 sgl->sg64[j].addr = segs[i].ds_addr + first; 2407 sgl->sg64[j++].len = segs[i].ds_len - first; 2408 first = 0; 2409 } 2410 hdr->flags |= MFI_FRAME_SGL64; 2411 } 2412 hdr->sg_count = j; 2413 sge_size = sc->mfi_sge_size; 2414 } 2415 2416 dir = 0; 2417 if (cm->cm_flags & MFI_CMD_DATAIN) { 2418 dir |= BUS_DMASYNC_PREREAD; 2419 hdr->flags |= MFI_FRAME_DIR_READ; 2420 } 2421 if (cm->cm_flags & MFI_CMD_DATAOUT) { 2422 dir |= BUS_DMASYNC_PREWRITE; 2423 hdr->flags |= MFI_FRAME_DIR_WRITE; 2424 } 2425 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, dir); 2426 cm->cm_flags |= MFI_CMD_MAPPED; 2427 2428 /* 2429 * Instead of calculating the total number of frames in the 2430 * compound frame, it's already assumed that there will be at 2431 * least 1 frame, so don't compensate for the modulo of the 2432 * following division. 2433 */ 2434 cm->cm_total_frame_size += (sc->mfi_sge_size * nsegs); 2435 cm->cm_extra_frames = (cm->cm_total_frame_size - 1) / MFI_FRAME_SIZE; 2436 2437 if ((error = mfi_send_frame(sc, cm)) != 0) { 2438 printf("error %d in callback from mfi_send_frame\n", error); 2439 cm->cm_error = error; 2440 mfi_complete(sc, cm); 2441 goto out; 2442 } 2443 2444out: 2445 /* leave the lock in the state we found it */ 2446 if (locked == 0) 2447 mtx_unlock(&sc->mfi_io_lock); 2448 2449 return; 2450} 2451 2452static int 2453mfi_send_frame(struct mfi_softc *sc, struct mfi_command *cm) 2454{ 2455 int error; 2456 2457 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 2458 2459 if (sc->MFA_enabled) 2460 error = mfi_tbolt_send_frame(sc, cm); 2461 else 2462 error = mfi_std_send_frame(sc, cm); 2463 2464 if (error != 0 && (cm->cm_flags & MFI_ON_MFIQ_BUSY) != 0) 2465 mfi_remove_busy(cm); 2466 2467 return (error); 2468} 2469 2470static int 2471mfi_std_send_frame(struct mfi_softc *sc, struct mfi_command *cm) 2472{ 2473 struct mfi_frame_header *hdr; 2474 int tm = mfi_polled_cmd_timeout * 1000; 2475 2476 hdr = &cm->cm_frame->header; 2477 2478 if ((cm->cm_flags & MFI_CMD_POLLED) == 0) { 2479 cm->cm_timestamp = time_uptime; 2480 mfi_enqueue_busy(cm); 2481 } else { 2482 hdr->cmd_status = MFI_STAT_INVALID_STATUS; 2483 hdr->flags |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE; 2484 } 2485 2486 /* 2487 * The bus address of the command is aligned on a 64 byte boundary, 2488 * leaving the least 6 bits as zero. For whatever reason, the 2489 * hardware wants the address shifted right by three, leaving just 2490 * 3 zero bits. These three bits are then used as a prefetching 2491 * hint for the hardware to predict how many frames need to be 2492 * fetched across the bus. If a command has more than 8 frames 2493 * then the 3 bits are set to 0x7 and the firmware uses other 2494 * information in the command to determine the total amount to fetch. 2495 * However, FreeBSD doesn't support I/O larger than 128K, so 8 frames 2496 * is enough for both 32bit and 64bit systems. 2497 */ 2498 if (cm->cm_extra_frames > 7) 2499 cm->cm_extra_frames = 7; 2500 2501 sc->mfi_issue_cmd(sc, cm->cm_frame_busaddr, cm->cm_extra_frames); 2502 2503 if ((cm->cm_flags & MFI_CMD_POLLED) == 0) 2504 return (0); 2505 2506 /* This is a polled command, so busy-wait for it to complete. */ 2507 while (hdr->cmd_status == MFI_STAT_INVALID_STATUS) { 2508 DELAY(1000); 2509 tm -= 1; 2510 if (tm <= 0) 2511 break; 2512 } 2513 2514 if (hdr->cmd_status == MFI_STAT_INVALID_STATUS) { 2515 device_printf(sc->mfi_dev, "Frame %p timed out " 2516 "command 0x%X\n", hdr, cm->cm_frame->dcmd.opcode); 2517 return (ETIMEDOUT); 2518 } 2519 2520 return (0); 2521} 2522 2523 2524void 2525mfi_complete(struct mfi_softc *sc, struct mfi_command *cm) 2526{ 2527 int dir; 2528 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 2529 2530 if ((cm->cm_flags & MFI_CMD_MAPPED) != 0) { 2531 dir = 0; 2532 if ((cm->cm_flags & MFI_CMD_DATAIN) || 2533 (cm->cm_frame->header.cmd == MFI_CMD_STP)) 2534 dir |= BUS_DMASYNC_POSTREAD; 2535 if (cm->cm_flags & MFI_CMD_DATAOUT) 2536 dir |= BUS_DMASYNC_POSTWRITE; 2537 2538 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, dir); 2539 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 2540 cm->cm_flags &= ~MFI_CMD_MAPPED; 2541 } 2542 2543 cm->cm_flags |= MFI_CMD_COMPLETED; 2544 2545 if (cm->cm_complete != NULL) 2546 cm->cm_complete(cm); 2547 else 2548 wakeup(cm); 2549} 2550 2551static int 2552mfi_abort(struct mfi_softc *sc, struct mfi_command **cm_abort) 2553{ 2554 struct mfi_command *cm; 2555 struct mfi_abort_frame *abort; 2556 int i = 0, error; 2557 uint32_t context = 0; 2558 2559 mtx_lock(&sc->mfi_io_lock); 2560 if ((cm = mfi_dequeue_free(sc)) == NULL) { 2561 mtx_unlock(&sc->mfi_io_lock); 2562 return (EBUSY); 2563 } 2564 2565 /* Zero out the MFI frame */ 2566 context = cm->cm_frame->header.context; 2567 bzero(cm->cm_frame, sizeof(union mfi_frame)); 2568 cm->cm_frame->header.context = context; 2569 2570 abort = &cm->cm_frame->abort; 2571 abort->header.cmd = MFI_CMD_ABORT; 2572 abort->header.flags = 0; 2573 abort->header.scsi_status = 0; 2574 abort->abort_context = (*cm_abort)->cm_frame->header.context; 2575 abort->abort_mfi_addr_lo = (uint32_t)(*cm_abort)->cm_frame_busaddr; 2576 abort->abort_mfi_addr_hi = 2577 (uint32_t)((uint64_t)(*cm_abort)->cm_frame_busaddr >> 32); 2578 cm->cm_data = NULL; 2579 cm->cm_flags = MFI_CMD_POLLED; 2580 2581 if ((error = mfi_mapcmd(sc, cm)) != 0) 2582 device_printf(sc->mfi_dev, "failed to abort command\n"); 2583 mfi_release_command(cm); 2584 2585 mtx_unlock(&sc->mfi_io_lock); 2586 while (i < 5 && *cm_abort != NULL) { 2587 tsleep(cm_abort, 0, "mfiabort", 2588 5 * hz); 2589 i++; 2590 } 2591 if (*cm_abort != NULL) { 2592 /* Force a complete if command didn't abort */ 2593 mtx_lock(&sc->mfi_io_lock); 2594 (*cm_abort)->cm_complete(*cm_abort); 2595 mtx_unlock(&sc->mfi_io_lock); 2596 } 2597 2598 return (error); 2599} 2600 2601int 2602mfi_dump_blocks(struct mfi_softc *sc, int id, uint64_t lba, void *virt, 2603 int len) 2604{ 2605 struct mfi_command *cm; 2606 struct mfi_io_frame *io; 2607 int error; 2608 uint32_t context = 0; 2609 2610 if ((cm = mfi_dequeue_free(sc)) == NULL) 2611 return (EBUSY); 2612 2613 /* Zero out the MFI frame */ 2614 context = cm->cm_frame->header.context; 2615 bzero(cm->cm_frame, sizeof(union mfi_frame)); 2616 cm->cm_frame->header.context = context; 2617 2618 io = &cm->cm_frame->io; 2619 io->header.cmd = MFI_CMD_LD_WRITE; 2620 io->header.target_id = id; 2621 io->header.timeout = 0; 2622 io->header.flags = 0; 2623 io->header.scsi_status = 0; 2624 io->header.sense_len = MFI_SENSE_LEN; 2625 io->header.data_len = howmany(len, MFI_SECTOR_LEN); 2626 io->sense_addr_lo = (uint32_t)cm->cm_sense_busaddr; 2627 io->sense_addr_hi = (uint32_t)((uint64_t)cm->cm_sense_busaddr >> 32); 2628 io->lba_hi = (lba & 0xffffffff00000000) >> 32; 2629 io->lba_lo = lba & 0xffffffff; 2630 cm->cm_data = virt; 2631 cm->cm_len = len; 2632 cm->cm_sg = &io->sgl; 2633 cm->cm_total_frame_size = MFI_IO_FRAME_SIZE; 2634 cm->cm_flags = MFI_CMD_POLLED | MFI_CMD_DATAOUT; 2635 2636 if ((error = mfi_mapcmd(sc, cm)) != 0) 2637 device_printf(sc->mfi_dev, "failed dump blocks\n"); 2638 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 2639 BUS_DMASYNC_POSTWRITE); 2640 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 2641 mfi_release_command(cm); 2642 2643 return (error); 2644} 2645 2646int 2647mfi_dump_syspd_blocks(struct mfi_softc *sc, int id, uint64_t lba, void *virt, 2648 int len) 2649{ 2650 struct mfi_command *cm; 2651 struct mfi_pass_frame *pass; 2652 int error, readop, cdb_len; 2653 uint32_t blkcount; 2654 2655 if ((cm = mfi_dequeue_free(sc)) == NULL) 2656 return (EBUSY); 2657 2658 pass = &cm->cm_frame->pass; 2659 bzero(pass->cdb, 16); 2660 pass->header.cmd = MFI_CMD_PD_SCSI_IO; 2661 2662 readop = 0; 2663 blkcount = howmany(len, MFI_SECTOR_LEN); 2664 cdb_len = mfi_build_cdb(readop, 0, lba, blkcount, pass->cdb); 2665 pass->header.target_id = id; 2666 pass->header.timeout = 0; 2667 pass->header.flags = 0; 2668 pass->header.scsi_status = 0; 2669 pass->header.sense_len = MFI_SENSE_LEN; 2670 pass->header.data_len = len; 2671 pass->header.cdb_len = cdb_len; 2672 pass->sense_addr_lo = (uint32_t)cm->cm_sense_busaddr; 2673 pass->sense_addr_hi = (uint32_t)((uint64_t)cm->cm_sense_busaddr >> 32); 2674 cm->cm_data = virt; 2675 cm->cm_len = len; 2676 cm->cm_sg = &pass->sgl; 2677 cm->cm_total_frame_size = MFI_PASS_FRAME_SIZE; 2678 cm->cm_flags = MFI_CMD_POLLED | MFI_CMD_DATAOUT | MFI_CMD_SCSI; 2679 2680 if ((error = mfi_mapcmd(sc, cm)) != 0) 2681 device_printf(sc->mfi_dev, "failed dump blocks\n"); 2682 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 2683 BUS_DMASYNC_POSTWRITE); 2684 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 2685 mfi_release_command(cm); 2686 2687 return (error); 2688} 2689 2690static int 2691mfi_open(struct cdev *dev, int flags, int fmt, struct thread *td) 2692{ 2693 struct mfi_softc *sc; 2694 int error; 2695 2696 sc = dev->si_drv1; 2697 2698 mtx_lock(&sc->mfi_io_lock); 2699 if (sc->mfi_detaching) 2700 error = ENXIO; 2701 else { 2702 sc->mfi_flags |= MFI_FLAGS_OPEN; 2703 error = 0; 2704 } 2705 mtx_unlock(&sc->mfi_io_lock); 2706 2707 return (error); 2708} 2709 2710static int 2711mfi_close(struct cdev *dev, int flags, int fmt, struct thread *td) 2712{ 2713 struct mfi_softc *sc; 2714 struct mfi_aen *mfi_aen_entry, *tmp; 2715 2716 sc = dev->si_drv1; 2717 2718 mtx_lock(&sc->mfi_io_lock); 2719 sc->mfi_flags &= ~MFI_FLAGS_OPEN; 2720 2721 TAILQ_FOREACH_SAFE(mfi_aen_entry, &sc->mfi_aen_pids, aen_link, tmp) { 2722 if (mfi_aen_entry->p == curproc) { 2723 TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry, 2724 aen_link); 2725 free(mfi_aen_entry, M_MFIBUF); 2726 } 2727 } 2728 mtx_unlock(&sc->mfi_io_lock); 2729 return (0); 2730} 2731 2732static int 2733mfi_config_lock(struct mfi_softc *sc, uint32_t opcode) 2734{ 2735 2736 switch (opcode) { 2737 case MFI_DCMD_LD_DELETE: 2738 case MFI_DCMD_CFG_ADD: 2739 case MFI_DCMD_CFG_CLEAR: 2740 case MFI_DCMD_CFG_FOREIGN_IMPORT: 2741 sx_xlock(&sc->mfi_config_lock); 2742 return (1); 2743 default: 2744 return (0); 2745 } 2746} 2747 2748static void 2749mfi_config_unlock(struct mfi_softc *sc, int locked) 2750{ 2751 2752 if (locked) 2753 sx_xunlock(&sc->mfi_config_lock); 2754} 2755 2756/* 2757 * Perform pre-issue checks on commands from userland and possibly veto 2758 * them. 2759 */ 2760static int 2761mfi_check_command_pre(struct mfi_softc *sc, struct mfi_command *cm) 2762{ 2763 struct mfi_disk *ld, *ld2; 2764 int error; 2765 struct mfi_system_pd *syspd = NULL; 2766 uint16_t syspd_id; 2767 uint16_t *mbox; 2768 2769 mtx_assert(&sc->mfi_io_lock, MA_OWNED); 2770 error = 0; 2771 switch (cm->cm_frame->dcmd.opcode) { 2772 case MFI_DCMD_LD_DELETE: 2773 TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) { 2774 if (ld->ld_id == cm->cm_frame->dcmd.mbox[0]) 2775 break; 2776 } 2777 if (ld == NULL) 2778 error = ENOENT; 2779 else 2780 error = mfi_disk_disable(ld); 2781 break; 2782 case MFI_DCMD_CFG_CLEAR: 2783 TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) { 2784 error = mfi_disk_disable(ld); 2785 if (error) 2786 break; 2787 } 2788 if (error) { 2789 TAILQ_FOREACH(ld2, &sc->mfi_ld_tqh, ld_link) { 2790 if (ld2 == ld) 2791 break; 2792 mfi_disk_enable(ld2); 2793 } 2794 } 2795 break; 2796 case MFI_DCMD_PD_STATE_SET: 2797 mbox = (uint16_t *) cm->cm_frame->dcmd.mbox; 2798 syspd_id = mbox[0]; 2799 if (mbox[2] == MFI_PD_STATE_UNCONFIGURED_GOOD) { 2800 TAILQ_FOREACH(syspd, &sc->mfi_syspd_tqh, pd_link) { 2801 if (syspd->pd_id == syspd_id) 2802 break; 2803 } 2804 } 2805 else 2806 break; 2807 if (syspd) 2808 error = mfi_syspd_disable(syspd); 2809 break; 2810 default: 2811 break; 2812 } 2813 return (error); 2814} 2815 2816/* Perform post-issue checks on commands from userland. */ 2817static void 2818mfi_check_command_post(struct mfi_softc *sc, struct mfi_command *cm) 2819{ 2820 struct mfi_disk *ld, *ldn; 2821 struct mfi_system_pd *syspd = NULL; 2822 uint16_t syspd_id; 2823 uint16_t *mbox; 2824 2825 switch (cm->cm_frame->dcmd.opcode) { 2826 case MFI_DCMD_LD_DELETE: 2827 TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) { 2828 if (ld->ld_id == cm->cm_frame->dcmd.mbox[0]) 2829 break; 2830 } 2831 KASSERT(ld != NULL, ("volume dissappeared")); 2832 if (cm->cm_frame->header.cmd_status == MFI_STAT_OK) { 2833 mtx_unlock(&sc->mfi_io_lock); 2834 mtx_lock(&Giant); 2835 device_delete_child(sc->mfi_dev, ld->ld_dev); 2836 mtx_unlock(&Giant); 2837 mtx_lock(&sc->mfi_io_lock); 2838 } else 2839 mfi_disk_enable(ld); 2840 break; 2841 case MFI_DCMD_CFG_CLEAR: 2842 if (cm->cm_frame->header.cmd_status == MFI_STAT_OK) { 2843 mtx_unlock(&sc->mfi_io_lock); 2844 mtx_lock(&Giant); 2845 TAILQ_FOREACH_SAFE(ld, &sc->mfi_ld_tqh, ld_link, ldn) { 2846 device_delete_child(sc->mfi_dev, ld->ld_dev); 2847 } 2848 mtx_unlock(&Giant); 2849 mtx_lock(&sc->mfi_io_lock); 2850 } else { 2851 TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) 2852 mfi_disk_enable(ld); 2853 } 2854 break; 2855 case MFI_DCMD_CFG_ADD: 2856 mfi_ldprobe(sc); 2857 break; 2858 case MFI_DCMD_CFG_FOREIGN_IMPORT: 2859 mfi_ldprobe(sc); 2860 break; 2861 case MFI_DCMD_PD_STATE_SET: 2862 mbox = (uint16_t *) cm->cm_frame->dcmd.mbox; 2863 syspd_id = mbox[0]; 2864 if (mbox[2] == MFI_PD_STATE_UNCONFIGURED_GOOD) { 2865 TAILQ_FOREACH(syspd, &sc->mfi_syspd_tqh,pd_link) { 2866 if (syspd->pd_id == syspd_id) 2867 break; 2868 } 2869 } 2870 else 2871 break; 2872 /* If the transition fails then enable the syspd again */ 2873 if (syspd && cm->cm_frame->header.cmd_status != MFI_STAT_OK) 2874 mfi_syspd_enable(syspd); 2875 break; 2876 } 2877} 2878 2879static int 2880mfi_check_for_sscd(struct mfi_softc *sc, struct mfi_command *cm) 2881{ 2882 struct mfi_config_data *conf_data; 2883 struct mfi_command *ld_cm = NULL; 2884 struct mfi_ld_info *ld_info = NULL; 2885 struct mfi_ld_config *ld; 2886 char *p; 2887 int error = 0; 2888 2889 conf_data = (struct mfi_config_data *)cm->cm_data; 2890 2891 if (cm->cm_frame->dcmd.opcode == MFI_DCMD_CFG_ADD) { 2892 p = (char *)conf_data->array; 2893 p += conf_data->array_size * conf_data->array_count; 2894 ld = (struct mfi_ld_config *)p; 2895 if (ld->params.isSSCD == 1) 2896 error = 1; 2897 } else if (cm->cm_frame->dcmd.opcode == MFI_DCMD_LD_DELETE) { 2898 error = mfi_dcmd_command (sc, &ld_cm, MFI_DCMD_LD_GET_INFO, 2899 (void **)&ld_info, sizeof(*ld_info)); 2900 if (error) { 2901 device_printf(sc->mfi_dev, "Failed to allocate" 2902 "MFI_DCMD_LD_GET_INFO %d", error); 2903 if (ld_info) 2904 free(ld_info, M_MFIBUF); 2905 return 0; 2906 } 2907 ld_cm->cm_flags = MFI_CMD_DATAIN; 2908 ld_cm->cm_frame->dcmd.mbox[0]= cm->cm_frame->dcmd.mbox[0]; 2909 ld_cm->cm_frame->header.target_id = cm->cm_frame->dcmd.mbox[0]; 2910 if (mfi_wait_command(sc, ld_cm) != 0) { 2911 device_printf(sc->mfi_dev, "failed to get log drv\n"); 2912 mfi_release_command(ld_cm); 2913 free(ld_info, M_MFIBUF); 2914 return 0; 2915 } 2916 2917 if (ld_cm->cm_frame->header.cmd_status != MFI_STAT_OK) { 2918 free(ld_info, M_MFIBUF); 2919 mfi_release_command(ld_cm); 2920 return 0; 2921 } 2922 else 2923 ld_info = (struct mfi_ld_info *)ld_cm->cm_private; 2924 2925 if (ld_info->ld_config.params.isSSCD == 1) 2926 error = 1; 2927 2928 mfi_release_command(ld_cm); 2929 free(ld_info, M_MFIBUF); 2930 2931 } 2932 return error; 2933} 2934 2935static int 2936mfi_stp_cmd(struct mfi_softc *sc, struct mfi_command *cm,caddr_t arg) 2937{ 2938 uint8_t i; 2939 struct mfi_ioc_packet *ioc; 2940 ioc = (struct mfi_ioc_packet *)arg; 2941 int sge_size, error; 2942 struct megasas_sge *kern_sge; 2943 2944 memset(sc->kbuff_arr, 0, sizeof(sc->kbuff_arr)); 2945 kern_sge =(struct megasas_sge *) ((uintptr_t)cm->cm_frame + ioc->mfi_sgl_off); 2946 cm->cm_frame->header.sg_count = ioc->mfi_sge_count; 2947 2948 if (sizeof(bus_addr_t) == 8) { 2949 cm->cm_frame->header.flags |= MFI_FRAME_SGL64; 2950 cm->cm_extra_frames = 2; 2951 sge_size = sizeof(struct mfi_sg64); 2952 } else { 2953 cm->cm_extra_frames = (cm->cm_total_frame_size - 1) / MFI_FRAME_SIZE; 2954 sge_size = sizeof(struct mfi_sg32); 2955 } 2956 2957 cm->cm_total_frame_size += (sge_size * ioc->mfi_sge_count); 2958 for (i = 0; i < ioc->mfi_sge_count; i++) { 2959 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 2960 1, 0, /* algnmnt, boundary */ 2961 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 2962 BUS_SPACE_MAXADDR, /* highaddr */ 2963 NULL, NULL, /* filter, filterarg */ 2964 ioc->mfi_sgl[i].iov_len,/* maxsize */ 2965 2, /* nsegments */ 2966 ioc->mfi_sgl[i].iov_len,/* maxsegsize */ 2967 BUS_DMA_ALLOCNOW, /* flags */ 2968 NULL, NULL, /* lockfunc, lockarg */ 2969 &sc->mfi_kbuff_arr_dmat[i])) { 2970 device_printf(sc->mfi_dev, 2971 "Cannot allocate mfi_kbuff_arr_dmat tag\n"); 2972 return (ENOMEM); 2973 } 2974 2975 if (bus_dmamem_alloc(sc->mfi_kbuff_arr_dmat[i], 2976 (void **)&sc->kbuff_arr[i], BUS_DMA_NOWAIT, 2977 &sc->mfi_kbuff_arr_dmamap[i])) { 2978 device_printf(sc->mfi_dev, 2979 "Cannot allocate mfi_kbuff_arr_dmamap memory\n"); 2980 return (ENOMEM); 2981 } 2982 2983 bus_dmamap_load(sc->mfi_kbuff_arr_dmat[i], 2984 sc->mfi_kbuff_arr_dmamap[i], sc->kbuff_arr[i], 2985 ioc->mfi_sgl[i].iov_len, mfi_addr_cb, 2986 &sc->mfi_kbuff_arr_busaddr[i], 0); 2987 2988 if (!sc->kbuff_arr[i]) { 2989 device_printf(sc->mfi_dev, 2990 "Could not allocate memory for kbuff_arr info\n"); 2991 return -1; 2992 } 2993 kern_sge[i].phys_addr = sc->mfi_kbuff_arr_busaddr[i]; 2994 kern_sge[i].length = ioc->mfi_sgl[i].iov_len; 2995 2996 if (sizeof(bus_addr_t) == 8) { 2997 cm->cm_frame->stp.sgl.sg64[i].addr = 2998 kern_sge[i].phys_addr; 2999 cm->cm_frame->stp.sgl.sg64[i].len = 3000 ioc->mfi_sgl[i].iov_len; 3001 } else { 3002 cm->cm_frame->stp.sgl.sg32[i].addr = 3003 kern_sge[i].phys_addr; 3004 cm->cm_frame->stp.sgl.sg32[i].len = 3005 ioc->mfi_sgl[i].iov_len; 3006 } 3007 3008 error = copyin(ioc->mfi_sgl[i].iov_base, 3009 sc->kbuff_arr[i], 3010 ioc->mfi_sgl[i].iov_len); 3011 if (error != 0) { 3012 device_printf(sc->mfi_dev, "Copy in failed\n"); 3013 return error; 3014 } 3015 } 3016 3017 cm->cm_flags |=MFI_CMD_MAPPED; 3018 return 0; 3019} 3020 3021static int 3022mfi_user_command(struct mfi_softc *sc, struct mfi_ioc_passthru *ioc) 3023{ 3024 struct mfi_command *cm; 3025 struct mfi_dcmd_frame *dcmd; 3026 void *ioc_buf = NULL; 3027 uint32_t context; 3028 int error = 0, locked; 3029 3030 3031 if (ioc->buf_size > 0) { 3032 if (ioc->buf_size > 1024 * 1024) 3033 return (ENOMEM); 3034 ioc_buf = malloc(ioc->buf_size, M_MFIBUF, M_WAITOK); 3035 error = copyin(ioc->buf, ioc_buf, ioc->buf_size); 3036 if (error) { 3037 device_printf(sc->mfi_dev, "failed to copyin\n"); 3038 free(ioc_buf, M_MFIBUF); 3039 return (error); 3040 } 3041 } 3042 3043 locked = mfi_config_lock(sc, ioc->ioc_frame.opcode); 3044 3045 mtx_lock(&sc->mfi_io_lock); 3046 while ((cm = mfi_dequeue_free(sc)) == NULL) 3047 msleep(mfi_user_command, &sc->mfi_io_lock, 0, "mfiioc", hz); 3048 3049 /* Save context for later */ 3050 context = cm->cm_frame->header.context; 3051 3052 dcmd = &cm->cm_frame->dcmd; 3053 bcopy(&ioc->ioc_frame, dcmd, sizeof(struct mfi_dcmd_frame)); 3054 3055 cm->cm_sg = &dcmd->sgl; 3056 cm->cm_total_frame_size = MFI_DCMD_FRAME_SIZE; 3057 cm->cm_data = ioc_buf; 3058 cm->cm_len = ioc->buf_size; 3059 3060 /* restore context */ 3061 cm->cm_frame->header.context = context; 3062 3063 /* Cheat since we don't know if we're writing or reading */ 3064 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_DATAOUT; 3065 3066 error = mfi_check_command_pre(sc, cm); 3067 if (error) 3068 goto out; 3069 3070 error = mfi_wait_command(sc, cm); 3071 if (error) { 3072 device_printf(sc->mfi_dev, "ioctl failed %d\n", error); 3073 goto out; 3074 } 3075 bcopy(dcmd, &ioc->ioc_frame, sizeof(struct mfi_dcmd_frame)); 3076 mfi_check_command_post(sc, cm); 3077out: 3078 mfi_release_command(cm); 3079 mtx_unlock(&sc->mfi_io_lock); 3080 mfi_config_unlock(sc, locked); 3081 if (ioc->buf_size > 0) 3082 error = copyout(ioc_buf, ioc->buf, ioc->buf_size); 3083 if (ioc_buf) 3084 free(ioc_buf, M_MFIBUF); 3085 return (error); 3086} 3087 3088#define PTRIN(p) ((void *)(uintptr_t)(p)) 3089 3090static int 3091mfi_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td) 3092{ 3093 struct mfi_softc *sc; 3094 union mfi_statrequest *ms; 3095 struct mfi_ioc_packet *ioc; 3096#ifdef COMPAT_FREEBSD32 3097 struct mfi_ioc_packet32 *ioc32; 3098#endif 3099 struct mfi_ioc_aen *aen; 3100 struct mfi_command *cm = NULL; 3101 uint32_t context = 0; 3102 union mfi_sense_ptr sense_ptr; 3103 uint8_t *data = NULL, *temp, *addr, skip_pre_post = 0; 3104 size_t len; 3105 int i, res; 3106 struct mfi_ioc_passthru *iop = (struct mfi_ioc_passthru *)arg; 3107#ifdef COMPAT_FREEBSD32 3108 struct mfi_ioc_passthru32 *iop32 = (struct mfi_ioc_passthru32 *)arg; 3109 struct mfi_ioc_passthru iop_swab; 3110#endif 3111 int error, locked; 3112 union mfi_sgl *sgl; 3113 sc = dev->si_drv1; 3114 error = 0; 3115 3116 if (sc->adpreset) 3117 return EBUSY; 3118 3119 if (sc->hw_crit_error) 3120 return EBUSY; 3121 3122 if (sc->issuepend_done == 0) 3123 return EBUSY; 3124 3125 switch (cmd) { 3126 case MFIIO_STATS: 3127 ms = (union mfi_statrequest *)arg; 3128 switch (ms->ms_item) { 3129 case MFIQ_FREE: 3130 case MFIQ_BIO: 3131 case MFIQ_READY: 3132 case MFIQ_BUSY: 3133 bcopy(&sc->mfi_qstat[ms->ms_item], &ms->ms_qstat, 3134 sizeof(struct mfi_qstat)); 3135 break; 3136 default: 3137 error = ENOIOCTL; 3138 break; 3139 } 3140 break; 3141 case MFIIO_QUERY_DISK: 3142 { 3143 struct mfi_query_disk *qd; 3144 struct mfi_disk *ld; 3145 3146 qd = (struct mfi_query_disk *)arg; 3147 mtx_lock(&sc->mfi_io_lock); 3148 TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) { 3149 if (ld->ld_id == qd->array_id) 3150 break; 3151 } 3152 if (ld == NULL) { 3153 qd->present = 0; 3154 mtx_unlock(&sc->mfi_io_lock); 3155 return (0); 3156 } 3157 qd->present = 1; 3158 if (ld->ld_flags & MFI_DISK_FLAGS_OPEN) 3159 qd->open = 1; 3160 bzero(qd->devname, SPECNAMELEN + 1); 3161 snprintf(qd->devname, SPECNAMELEN, "mfid%d", ld->ld_unit); 3162 mtx_unlock(&sc->mfi_io_lock); 3163 break; 3164 } 3165 case MFI_CMD: 3166#ifdef COMPAT_FREEBSD32 3167 case MFI_CMD32: 3168#endif 3169 { 3170 devclass_t devclass; 3171 ioc = (struct mfi_ioc_packet *)arg; 3172 int adapter; 3173 3174 adapter = ioc->mfi_adapter_no; 3175 if (device_get_unit(sc->mfi_dev) == 0 && adapter != 0) { 3176 devclass = devclass_find("mfi"); 3177 sc = devclass_get_softc(devclass, adapter); 3178 } 3179 mtx_lock(&sc->mfi_io_lock); 3180 if ((cm = mfi_dequeue_free(sc)) == NULL) { 3181 mtx_unlock(&sc->mfi_io_lock); 3182 return (EBUSY); 3183 } 3184 mtx_unlock(&sc->mfi_io_lock); 3185 locked = 0; 3186 3187 /* 3188 * save off original context since copying from user 3189 * will clobber some data 3190 */ 3191 context = cm->cm_frame->header.context; 3192 cm->cm_frame->header.context = cm->cm_index; 3193 3194 bcopy(ioc->mfi_frame.raw, cm->cm_frame, 3195 2 * MEGAMFI_FRAME_SIZE); 3196 cm->cm_total_frame_size = (sizeof(union mfi_sgl) 3197 * ioc->mfi_sge_count) + ioc->mfi_sgl_off; 3198 cm->cm_frame->header.scsi_status = 0; 3199 cm->cm_frame->header.pad0 = 0; 3200 if (ioc->mfi_sge_count) { 3201 cm->cm_sg = 3202 (union mfi_sgl *)&cm->cm_frame->bytes[ioc->mfi_sgl_off]; 3203 } 3204 sgl = cm->cm_sg; 3205 cm->cm_flags = 0; 3206 if (cm->cm_frame->header.flags & MFI_FRAME_DATAIN) 3207 cm->cm_flags |= MFI_CMD_DATAIN; 3208 if (cm->cm_frame->header.flags & MFI_FRAME_DATAOUT) 3209 cm->cm_flags |= MFI_CMD_DATAOUT; 3210 /* Legacy app shim */ 3211 if (cm->cm_flags == 0) 3212 cm->cm_flags |= MFI_CMD_DATAIN | MFI_CMD_DATAOUT; 3213 cm->cm_len = cm->cm_frame->header.data_len; 3214 if (cm->cm_frame->header.cmd == MFI_CMD_STP) { 3215#ifdef COMPAT_FREEBSD32 3216 if (cmd == MFI_CMD) { 3217#endif 3218 /* Native */ 3219 cm->cm_stp_len = ioc->mfi_sgl[0].iov_len; 3220#ifdef COMPAT_FREEBSD32 3221 } else { 3222 /* 32bit on 64bit */ 3223 ioc32 = (struct mfi_ioc_packet32 *)ioc; 3224 cm->cm_stp_len = ioc32->mfi_sgl[0].iov_len; 3225 } 3226#endif 3227 cm->cm_len += cm->cm_stp_len; 3228 } 3229 if (cm->cm_len && 3230 (cm->cm_flags & (MFI_CMD_DATAIN | MFI_CMD_DATAOUT))) { 3231 cm->cm_data = data = malloc(cm->cm_len, M_MFIBUF, 3232 M_WAITOK | M_ZERO); 3233 } else { 3234 cm->cm_data = 0; 3235 } 3236 3237 /* restore header context */ 3238 cm->cm_frame->header.context = context; 3239 3240 if (cm->cm_frame->header.cmd == MFI_CMD_STP) { 3241 res = mfi_stp_cmd(sc, cm, arg); 3242 if (res != 0) 3243 goto out; 3244 } else { 3245 temp = data; 3246 if ((cm->cm_flags & MFI_CMD_DATAOUT) || 3247 (cm->cm_frame->header.cmd == MFI_CMD_STP)) { 3248 for (i = 0; i < ioc->mfi_sge_count; i++) { 3249#ifdef COMPAT_FREEBSD32 3250 if (cmd == MFI_CMD) { 3251#endif 3252 /* Native */ 3253 addr = ioc->mfi_sgl[i].iov_base; 3254 len = ioc->mfi_sgl[i].iov_len; 3255#ifdef COMPAT_FREEBSD32 3256 } else { 3257 /* 32bit on 64bit */ 3258 ioc32 = (struct mfi_ioc_packet32 *)ioc; 3259 addr = PTRIN(ioc32->mfi_sgl[i].iov_base); 3260 len = ioc32->mfi_sgl[i].iov_len; 3261 } 3262#endif 3263 error = copyin(addr, temp, len); 3264 if (error != 0) { 3265 device_printf(sc->mfi_dev, 3266 "Copy in failed\n"); 3267 goto out; 3268 } 3269 temp = &temp[len]; 3270 } 3271 } 3272 } 3273 3274 if (cm->cm_frame->header.cmd == MFI_CMD_DCMD) 3275 locked = mfi_config_lock(sc, 3276 cm->cm_frame->dcmd.opcode); 3277 3278 if (cm->cm_frame->header.cmd == MFI_CMD_PD_SCSI_IO) { 3279 cm->cm_frame->pass.sense_addr_lo = 3280 (uint32_t)cm->cm_sense_busaddr; 3281 cm->cm_frame->pass.sense_addr_hi = 3282 (uint32_t)((uint64_t)cm->cm_sense_busaddr >> 32); 3283 } 3284 mtx_lock(&sc->mfi_io_lock); 3285 skip_pre_post = mfi_check_for_sscd (sc, cm); 3286 if (!skip_pre_post) { 3287 error = mfi_check_command_pre(sc, cm); 3288 if (error) { 3289 mtx_unlock(&sc->mfi_io_lock); 3290 goto out; 3291 } 3292 } 3293 if ((error = mfi_wait_command(sc, cm)) != 0) { 3294 device_printf(sc->mfi_dev, 3295 "Controller polled failed\n"); 3296 mtx_unlock(&sc->mfi_io_lock); 3297 goto out; 3298 } 3299 if (!skip_pre_post) { 3300 mfi_check_command_post(sc, cm); 3301 } 3302 mtx_unlock(&sc->mfi_io_lock); 3303 3304 if (cm->cm_frame->header.cmd != MFI_CMD_STP) { 3305 temp = data; 3306 if ((cm->cm_flags & MFI_CMD_DATAIN) || 3307 (cm->cm_frame->header.cmd == MFI_CMD_STP)) { 3308 for (i = 0; i < ioc->mfi_sge_count; i++) { 3309#ifdef COMPAT_FREEBSD32 3310 if (cmd == MFI_CMD) { 3311#endif 3312 /* Native */ 3313 addr = ioc->mfi_sgl[i].iov_base; 3314 len = ioc->mfi_sgl[i].iov_len; 3315#ifdef COMPAT_FREEBSD32 3316 } else { 3317 /* 32bit on 64bit */ 3318 ioc32 = (struct mfi_ioc_packet32 *)ioc; 3319 addr = PTRIN(ioc32->mfi_sgl[i].iov_base); 3320 len = ioc32->mfi_sgl[i].iov_len; 3321 } 3322#endif 3323 error = copyout(temp, addr, len); 3324 if (error != 0) { 3325 device_printf(sc->mfi_dev, 3326 "Copy out failed\n"); 3327 goto out; 3328 } 3329 temp = &temp[len]; 3330 } 3331 } 3332 } 3333 3334 if (ioc->mfi_sense_len) { 3335 /* get user-space sense ptr then copy out sense */ 3336 bcopy(&ioc->mfi_frame.raw[ioc->mfi_sense_off], 3337 &sense_ptr.sense_ptr_data[0], 3338 sizeof(sense_ptr.sense_ptr_data)); 3339#ifdef COMPAT_FREEBSD32 3340 if (cmd != MFI_CMD) { 3341 /* 3342 * not 64bit native so zero out any address 3343 * over 32bit */ 3344 sense_ptr.addr.high = 0; 3345 } 3346#endif 3347 error = copyout(cm->cm_sense, sense_ptr.user_space, 3348 ioc->mfi_sense_len); 3349 if (error != 0) { 3350 device_printf(sc->mfi_dev, 3351 "Copy out failed\n"); 3352 goto out; 3353 } 3354 } 3355 3356 ioc->mfi_frame.hdr.cmd_status = cm->cm_frame->header.cmd_status; 3357out: 3358 mfi_config_unlock(sc, locked); 3359 if (data) 3360 free(data, M_MFIBUF); 3361 if (cm->cm_frame->header.cmd == MFI_CMD_STP) { 3362 for (i = 0; i < 2; i++) { 3363 if (sc->kbuff_arr[i]) { 3364 if (sc->mfi_kbuff_arr_busaddr[i] != 0) 3365 bus_dmamap_unload( 3366 sc->mfi_kbuff_arr_dmat[i], 3367 sc->mfi_kbuff_arr_dmamap[i] 3368 ); 3369 if (sc->kbuff_arr[i] != NULL) 3370 bus_dmamem_free( 3371 sc->mfi_kbuff_arr_dmat[i], 3372 sc->kbuff_arr[i], 3373 sc->mfi_kbuff_arr_dmamap[i] 3374 ); 3375 if (sc->mfi_kbuff_arr_dmat[i] != NULL) 3376 bus_dma_tag_destroy( 3377 sc->mfi_kbuff_arr_dmat[i]); 3378 } 3379 } 3380 } 3381 if (cm) { 3382 mtx_lock(&sc->mfi_io_lock); 3383 mfi_release_command(cm); 3384 mtx_unlock(&sc->mfi_io_lock); 3385 } 3386 3387 break; 3388 } 3389 case MFI_SET_AEN: 3390 aen = (struct mfi_ioc_aen *)arg; 3391 mtx_lock(&sc->mfi_io_lock); 3392 error = mfi_aen_register(sc, aen->aen_seq_num, 3393 aen->aen_class_locale); 3394 mtx_unlock(&sc->mfi_io_lock); 3395 3396 break; 3397 case MFI_LINUX_CMD_2: /* Firmware Linux ioctl shim */ 3398 { 3399 devclass_t devclass; 3400 struct mfi_linux_ioc_packet l_ioc; 3401 int adapter; 3402 3403 devclass = devclass_find("mfi"); 3404 if (devclass == NULL) 3405 return (ENOENT); 3406 3407 error = copyin(arg, &l_ioc, sizeof(l_ioc)); 3408 if (error) 3409 return (error); 3410 adapter = l_ioc.lioc_adapter_no; 3411 sc = devclass_get_softc(devclass, adapter); 3412 if (sc == NULL) 3413 return (ENOENT); 3414 return (mfi_linux_ioctl_int(sc->mfi_cdev, 3415 cmd, arg, flag, td)); 3416 break; 3417 } 3418 case MFI_LINUX_SET_AEN_2: /* AEN Linux ioctl shim */ 3419 { 3420 devclass_t devclass; 3421 struct mfi_linux_ioc_aen l_aen; 3422 int adapter; 3423 3424 devclass = devclass_find("mfi"); 3425 if (devclass == NULL) 3426 return (ENOENT); 3427 3428 error = copyin(arg, &l_aen, sizeof(l_aen)); 3429 if (error) 3430 return (error); 3431 adapter = l_aen.laen_adapter_no; 3432 sc = devclass_get_softc(devclass, adapter); 3433 if (sc == NULL) 3434 return (ENOENT); 3435 return (mfi_linux_ioctl_int(sc->mfi_cdev, 3436 cmd, arg, flag, td)); 3437 break; 3438 } 3439#ifdef COMPAT_FREEBSD32 3440 case MFIIO_PASSTHRU32: 3441 if (!SV_CURPROC_FLAG(SV_ILP32)) { 3442 error = ENOTTY; 3443 break; 3444 } 3445 iop_swab.ioc_frame = iop32->ioc_frame; 3446 iop_swab.buf_size = iop32->buf_size; 3447 iop_swab.buf = PTRIN(iop32->buf); 3448 iop = &iop_swab; 3449 /* FALLTHROUGH */ 3450#endif 3451 case MFIIO_PASSTHRU: 3452 error = mfi_user_command(sc, iop); 3453#ifdef COMPAT_FREEBSD32 3454 if (cmd == MFIIO_PASSTHRU32) 3455 iop32->ioc_frame = iop_swab.ioc_frame; 3456#endif 3457 break; 3458 default: 3459 device_printf(sc->mfi_dev, "IOCTL 0x%lx not handled\n", cmd); 3460 error = ENOTTY; 3461 break; 3462 } 3463 3464 return (error); 3465} 3466 3467static int 3468mfi_linux_ioctl_int(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td) 3469{ 3470 struct mfi_softc *sc; 3471 struct mfi_linux_ioc_packet l_ioc; 3472 struct mfi_linux_ioc_aen l_aen; 3473 struct mfi_command *cm = NULL; 3474 struct mfi_aen *mfi_aen_entry; 3475 union mfi_sense_ptr sense_ptr; 3476 uint32_t context = 0; 3477 uint8_t *data = NULL, *temp; 3478 int i; 3479 int error, locked; 3480 3481 sc = dev->si_drv1; 3482 error = 0; 3483 switch (cmd) { 3484 case MFI_LINUX_CMD_2: /* Firmware Linux ioctl shim */ 3485 error = copyin(arg, &l_ioc, sizeof(l_ioc)); 3486 if (error != 0) 3487 return (error); 3488 3489 if (l_ioc.lioc_sge_count > MAX_LINUX_IOCTL_SGE) { 3490 return (EINVAL); 3491 } 3492 3493 mtx_lock(&sc->mfi_io_lock); 3494 if ((cm = mfi_dequeue_free(sc)) == NULL) { 3495 mtx_unlock(&sc->mfi_io_lock); 3496 return (EBUSY); 3497 } 3498 mtx_unlock(&sc->mfi_io_lock); 3499 locked = 0; 3500 3501 /* 3502 * save off original context since copying from user 3503 * will clobber some data 3504 */ 3505 context = cm->cm_frame->header.context; 3506 3507 bcopy(l_ioc.lioc_frame.raw, cm->cm_frame, 3508 2 * MFI_DCMD_FRAME_SIZE); /* this isn't quite right */ 3509 cm->cm_total_frame_size = (sizeof(union mfi_sgl) 3510 * l_ioc.lioc_sge_count) + l_ioc.lioc_sgl_off; 3511 cm->cm_frame->header.scsi_status = 0; 3512 cm->cm_frame->header.pad0 = 0; 3513 if (l_ioc.lioc_sge_count) 3514 cm->cm_sg = 3515 (union mfi_sgl *)&cm->cm_frame->bytes[l_ioc.lioc_sgl_off]; 3516 cm->cm_flags = 0; 3517 if (cm->cm_frame->header.flags & MFI_FRAME_DATAIN) 3518 cm->cm_flags |= MFI_CMD_DATAIN; 3519 if (cm->cm_frame->header.flags & MFI_FRAME_DATAOUT) 3520 cm->cm_flags |= MFI_CMD_DATAOUT; 3521 cm->cm_len = cm->cm_frame->header.data_len; 3522 if (cm->cm_len && 3523 (cm->cm_flags & (MFI_CMD_DATAIN | MFI_CMD_DATAOUT))) { 3524 cm->cm_data = data = malloc(cm->cm_len, M_MFIBUF, 3525 M_WAITOK | M_ZERO); 3526 } else { 3527 cm->cm_data = 0; 3528 } 3529 3530 /* restore header context */ 3531 cm->cm_frame->header.context = context; 3532 3533 temp = data; 3534 if (cm->cm_flags & MFI_CMD_DATAOUT) { 3535 for (i = 0; i < l_ioc.lioc_sge_count; i++) { 3536 error = copyin(PTRIN(l_ioc.lioc_sgl[i].iov_base), 3537 temp, 3538 l_ioc.lioc_sgl[i].iov_len); 3539 if (error != 0) { 3540 device_printf(sc->mfi_dev, 3541 "Copy in failed\n"); 3542 goto out; 3543 } 3544 temp = &temp[l_ioc.lioc_sgl[i].iov_len]; 3545 } 3546 } 3547 3548 if (cm->cm_frame->header.cmd == MFI_CMD_DCMD) 3549 locked = mfi_config_lock(sc, cm->cm_frame->dcmd.opcode); 3550 3551 if (cm->cm_frame->header.cmd == MFI_CMD_PD_SCSI_IO) { 3552 cm->cm_frame->pass.sense_addr_lo = 3553 (uint32_t)cm->cm_sense_busaddr; 3554 cm->cm_frame->pass.sense_addr_hi = 3555 (uint32_t)((uint64_t)cm->cm_sense_busaddr >> 32); 3556 } 3557 3558 mtx_lock(&sc->mfi_io_lock); 3559 error = mfi_check_command_pre(sc, cm); 3560 if (error) { 3561 mtx_unlock(&sc->mfi_io_lock); 3562 goto out; 3563 } 3564 3565 if ((error = mfi_wait_command(sc, cm)) != 0) { 3566 device_printf(sc->mfi_dev, 3567 "Controller polled failed\n"); 3568 mtx_unlock(&sc->mfi_io_lock); 3569 goto out; 3570 } 3571 3572 mfi_check_command_post(sc, cm); 3573 mtx_unlock(&sc->mfi_io_lock); 3574 3575 temp = data; 3576 if (cm->cm_flags & MFI_CMD_DATAIN) { 3577 for (i = 0; i < l_ioc.lioc_sge_count; i++) { 3578 error = copyout(temp, 3579 PTRIN(l_ioc.lioc_sgl[i].iov_base), 3580 l_ioc.lioc_sgl[i].iov_len); 3581 if (error != 0) { 3582 device_printf(sc->mfi_dev, 3583 "Copy out failed\n"); 3584 goto out; 3585 } 3586 temp = &temp[l_ioc.lioc_sgl[i].iov_len]; 3587 } 3588 } 3589 3590 if (l_ioc.lioc_sense_len) { 3591 /* get user-space sense ptr then copy out sense */ 3592 bcopy(&((struct mfi_linux_ioc_packet*)arg) 3593 ->lioc_frame.raw[l_ioc.lioc_sense_off], 3594 &sense_ptr.sense_ptr_data[0], 3595 sizeof(sense_ptr.sense_ptr_data)); 3596#ifdef __amd64__ 3597 /* 3598 * only 32bit Linux support so zero out any 3599 * address over 32bit 3600 */ 3601 sense_ptr.addr.high = 0; 3602#endif 3603 error = copyout(cm->cm_sense, sense_ptr.user_space, 3604 l_ioc.lioc_sense_len); 3605 if (error != 0) { 3606 device_printf(sc->mfi_dev, 3607 "Copy out failed\n"); 3608 goto out; 3609 } 3610 } 3611 3612 error = copyout(&cm->cm_frame->header.cmd_status, 3613 &((struct mfi_linux_ioc_packet*)arg) 3614 ->lioc_frame.hdr.cmd_status, 3615 1); 3616 if (error != 0) { 3617 device_printf(sc->mfi_dev, 3618 "Copy out failed\n"); 3619 goto out; 3620 } 3621 3622out: 3623 mfi_config_unlock(sc, locked); 3624 if (data) 3625 free(data, M_MFIBUF); 3626 if (cm) { 3627 mtx_lock(&sc->mfi_io_lock); 3628 mfi_release_command(cm); 3629 mtx_unlock(&sc->mfi_io_lock); 3630 } 3631 3632 return (error); 3633 case MFI_LINUX_SET_AEN_2: /* AEN Linux ioctl shim */ 3634 error = copyin(arg, &l_aen, sizeof(l_aen)); 3635 if (error != 0) 3636 return (error); 3637 printf("AEN IMPLEMENTED for pid %d\n", curproc->p_pid); 3638 mfi_aen_entry = malloc(sizeof(struct mfi_aen), M_MFIBUF, 3639 M_WAITOK); 3640 mtx_lock(&sc->mfi_io_lock); 3641 if (mfi_aen_entry != NULL) { 3642 mfi_aen_entry->p = curproc; 3643 TAILQ_INSERT_TAIL(&sc->mfi_aen_pids, mfi_aen_entry, 3644 aen_link); 3645 } 3646 error = mfi_aen_register(sc, l_aen.laen_seq_num, 3647 l_aen.laen_class_locale); 3648 3649 if (error != 0) { 3650 TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry, 3651 aen_link); 3652 free(mfi_aen_entry, M_MFIBUF); 3653 } 3654 mtx_unlock(&sc->mfi_io_lock); 3655 3656 return (error); 3657 default: 3658 device_printf(sc->mfi_dev, "IOCTL 0x%lx not handled\n", cmd); 3659 error = ENOENT; 3660 break; 3661 } 3662 3663 return (error); 3664} 3665 3666static int 3667mfi_poll(struct cdev *dev, int poll_events, struct thread *td) 3668{ 3669 struct mfi_softc *sc; 3670 int revents = 0; 3671 3672 sc = dev->si_drv1; 3673 3674 if (poll_events & (POLLIN | POLLRDNORM)) { 3675 if (sc->mfi_aen_triggered != 0) { 3676 revents |= poll_events & (POLLIN | POLLRDNORM); 3677 sc->mfi_aen_triggered = 0; 3678 } 3679 if (sc->mfi_aen_triggered == 0 && sc->mfi_aen_cm == NULL) { 3680 revents |= POLLERR; 3681 } 3682 } 3683 3684 if (revents == 0) { 3685 if (poll_events & (POLLIN | POLLRDNORM)) { 3686 sc->mfi_poll_waiting = 1; 3687 selrecord(td, &sc->mfi_select); 3688 } 3689 } 3690 3691 return revents; 3692} 3693 3694static void 3695mfi_dump_all(void) 3696{ 3697 struct mfi_softc *sc; 3698 struct mfi_command *cm; 3699 devclass_t dc; 3700 time_t deadline; 3701 int timedout; 3702 int i; 3703 3704 dc = devclass_find("mfi"); 3705 if (dc == NULL) { 3706 printf("No mfi dev class\n"); 3707 return; 3708 } 3709 3710 for (i = 0; ; i++) { 3711 sc = devclass_get_softc(dc, i); 3712 if (sc == NULL) 3713 break; 3714 device_printf(sc->mfi_dev, "Dumping\n\n"); 3715 timedout = 0; 3716 deadline = time_uptime - mfi_cmd_timeout; 3717 mtx_lock(&sc->mfi_io_lock); 3718 TAILQ_FOREACH(cm, &sc->mfi_busy, cm_link) { 3719 if (cm->cm_timestamp <= deadline) { 3720 device_printf(sc->mfi_dev, 3721 "COMMAND %p TIMEOUT AFTER %d SECONDS\n", 3722 cm, (int)(time_uptime - cm->cm_timestamp)); 3723 MFI_PRINT_CMD(cm); 3724 timedout++; 3725 } 3726 } 3727 3728#if 0 3729 if (timedout) 3730 MFI_DUMP_CMDS(sc); 3731#endif 3732 3733 mtx_unlock(&sc->mfi_io_lock); 3734 } 3735 3736 return; 3737} 3738 3739static void 3740mfi_timeout(void *data) 3741{ 3742 struct mfi_softc *sc = (struct mfi_softc *)data; 3743 struct mfi_command *cm, *tmp; 3744 time_t deadline; 3745 int timedout = 0; 3746 3747 deadline = time_uptime - mfi_cmd_timeout; 3748 if (sc->adpreset == 0) { 3749 if (!mfi_tbolt_reset(sc)) { 3750 callout_reset(&sc->mfi_watchdog_callout, 3751 mfi_cmd_timeout * hz, mfi_timeout, sc); 3752 return; 3753 } 3754 } 3755 mtx_lock(&sc->mfi_io_lock); 3756 TAILQ_FOREACH_SAFE(cm, &sc->mfi_busy, cm_link, tmp) { 3757 if (sc->mfi_aen_cm == cm || sc->mfi_map_sync_cm == cm) 3758 continue; 3759 if (cm->cm_timestamp <= deadline) { 3760 if (sc->adpreset != 0 && sc->issuepend_done == 0) { 3761 cm->cm_timestamp = time_uptime; 3762 } else { 3763 device_printf(sc->mfi_dev, 3764 "COMMAND %p TIMEOUT AFTER %d SECONDS\n", 3765 cm, (int)(time_uptime - cm->cm_timestamp) 3766 ); 3767 MFI_PRINT_CMD(cm); 3768 MFI_VALIDATE_CMD(sc, cm); 3769 /* 3770 * While commands can get stuck forever we do 3771 * not fail them as there is no way to tell if 3772 * the controller has actually processed them 3773 * or not. 3774 * 3775 * In addition its very likely that force 3776 * failing a command here would cause a panic 3777 * e.g. in UFS. 3778 */ 3779 timedout++; 3780 } 3781 } 3782 } 3783 3784#if 0 3785 if (timedout) 3786 MFI_DUMP_CMDS(sc); 3787#endif 3788 3789 mtx_unlock(&sc->mfi_io_lock); 3790 3791 callout_reset(&sc->mfi_watchdog_callout, mfi_cmd_timeout * hz, 3792 mfi_timeout, sc); 3793 3794 if (0) 3795 mfi_dump_all(); 3796 return; 3797} 3798