mfi.c revision 163399
1157114Sscottl/*- 2157114Sscottl * Copyright (c) 2006 IronPort Systems 3157114Sscottl * All rights reserved. 4157114Sscottl * 5157114Sscottl * Redistribution and use in source and binary forms, with or without 6157114Sscottl * modification, are permitted provided that the following conditions 7157114Sscottl * are met: 8157114Sscottl * 1. Redistributions of source code must retain the above copyright 9157114Sscottl * notice, this list of conditions and the following disclaimer. 10157114Sscottl * 2. Redistributions in binary form must reproduce the above copyright 11157114Sscottl * notice, this list of conditions and the following disclaimer in the 12157114Sscottl * documentation and/or other materials provided with the distribution. 13157114Sscottl * 14157114Sscottl * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15157114Sscottl * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16157114Sscottl * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17157114Sscottl * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18157114Sscottl * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19157114Sscottl * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20157114Sscottl * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21157114Sscottl * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22157114Sscottl * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23157114Sscottl * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24157114Sscottl * SUCH DAMAGE. 25157114Sscottl */ 26157114Sscottl 27157114Sscottl#include <sys/cdefs.h> 28157114Sscottl__FBSDID("$FreeBSD: head/sys/dev/mfi/mfi.c 163399 2006-10-16 04:30:09Z scottl $"); 29157114Sscottl 30157114Sscottl#include "opt_mfi.h" 31157114Sscottl 32157114Sscottl#include <sys/param.h> 33157114Sscottl#include <sys/systm.h> 34162118Sambrisko#include <sys/sysctl.h> 35157114Sscottl#include <sys/malloc.h> 36157114Sscottl#include <sys/kernel.h> 37158737Sambrisko#include <sys/poll.h> 38158737Sambrisko#include <sys/selinfo.h> 39157114Sscottl#include <sys/bus.h> 40157114Sscottl#include <sys/conf.h> 41157114Sscottl#include <sys/eventhandler.h> 42157114Sscottl#include <sys/rman.h> 43157114Sscottl#include <sys/bus_dma.h> 44157114Sscottl#include <sys/bio.h> 45157114Sscottl#include <sys/ioccom.h> 46158737Sambrisko#include <sys/uio.h> 47158737Sambrisko#include <sys/proc.h> 48163398Sscottl#include <sys/signalvar.h> 49157114Sscottl 50157114Sscottl#include <machine/bus.h> 51157114Sscottl#include <machine/resource.h> 52157114Sscottl 53157114Sscottl#include <dev/mfi/mfireg.h> 54157114Sscottl#include <dev/mfi/mfi_ioctl.h> 55157114Sscottl#include <dev/mfi/mfivar.h> 56157114Sscottl 57157114Sscottlstatic int mfi_alloc_commands(struct mfi_softc *); 58157114Sscottlstatic void mfi_release_command(struct mfi_command *cm); 59157114Sscottlstatic int mfi_comms_init(struct mfi_softc *); 60157114Sscottlstatic int mfi_polled_command(struct mfi_softc *, struct mfi_command *); 61159811Spsstatic int mfi_wait_command(struct mfi_softc *, struct mfi_command *); 62157114Sscottlstatic int mfi_get_controller_info(struct mfi_softc *); 63158737Sambriskostatic int mfi_get_log_state(struct mfi_softc *, 64159806Sps struct mfi_evt_log_state **); 65158737Sambriskostatic int mfi_get_entry(struct mfi_softc *, int); 66159806Spsstatic int mfi_dcmd_command(struct mfi_softc *, struct mfi_command **, 67159806Sps uint32_t, void **, size_t); 68157114Sscottlstatic void mfi_data_cb(void *, bus_dma_segment_t *, int, int); 69157114Sscottlstatic void mfi_startup(void *arg); 70157114Sscottlstatic void mfi_intr(void *arg); 71157114Sscottlstatic void mfi_enable_intr(struct mfi_softc *sc); 72159811Spsstatic void mfi_ldprobe(struct mfi_softc *sc); 73158737Sambriskostatic int mfi_aen_register(struct mfi_softc *sc, int seq, int locale); 74158737Sambriskostatic void mfi_aen_complete(struct mfi_command *); 75158737Sambriskostatic int mfi_aen_setup(struct mfi_softc *, uint32_t); 76159811Spsstatic int mfi_add_ld(struct mfi_softc *sc, int); 77159811Spsstatic void mfi_add_ld_complete(struct mfi_command *); 78157114Sscottlstatic struct mfi_command * mfi_bio_command(struct mfi_softc *); 79157114Sscottlstatic void mfi_bio_complete(struct mfi_command *); 80157114Sscottlstatic int mfi_mapcmd(struct mfi_softc *, struct mfi_command *); 81157114Sscottlstatic int mfi_send_frame(struct mfi_softc *, struct mfi_command *); 82157114Sscottlstatic void mfi_complete(struct mfi_softc *, struct mfi_command *); 83158737Sambriskostatic int mfi_abort(struct mfi_softc *, struct mfi_command *); 84158737Sambriskostatic int mfi_linux_ioctl_int(struct cdev *, u_long, caddr_t, int, d_thread_t *); 85162619Sscottlstatic void mfi_timeout(void *); 86157114Sscottl 87162118Sambrisko 88162118SambriskoSYSCTL_NODE(_hw, OID_AUTO, mfi, CTLFLAG_RD, 0, "MFI driver parameters"); 89162118Sambriskostatic int mfi_event_locale = MFI_EVT_LOCALE_ALL; 90162473SambriskoTUNABLE_INT("hw.mfi.event_locale", &mfi_event_locale); 91162118SambriskoSYSCTL_INT(_hw_mfi, OID_AUTO, event_locale, CTLFLAG_RW, &mfi_event_locale, 92162118Sambrisko 0, "event message locale"); 93162473Sambrisko 94162118Sambriskostatic int mfi_event_class = MFI_EVT_CLASS_DEBUG; 95162473SambriskoTUNABLE_INT("hw.mfi.event_class", &mfi_event_class); 96162118SambriskoSYSCTL_INT(_hw_mfi, OID_AUTO, event_class, CTLFLAG_RW, &mfi_event_class, 97162118Sambrisko 0, "event message class"); 98162118Sambrisko 99157114Sscottl/* Management interface */ 100157114Sscottlstatic d_open_t mfi_open; 101157114Sscottlstatic d_close_t mfi_close; 102157114Sscottlstatic d_ioctl_t mfi_ioctl; 103158737Sambriskostatic d_poll_t mfi_poll; 104157114Sscottl 105157114Sscottlstatic struct cdevsw mfi_cdevsw = { 106157114Sscottl .d_version = D_VERSION, 107157114Sscottl .d_flags = 0, 108157114Sscottl .d_open = mfi_open, 109157114Sscottl .d_close = mfi_close, 110157114Sscottl .d_ioctl = mfi_ioctl, 111158737Sambrisko .d_poll = mfi_poll, 112157114Sscottl .d_name = "mfi", 113157114Sscottl}; 114157114Sscottl 115157114SscottlMALLOC_DEFINE(M_MFIBUF, "mfibuf", "Buffers for the MFI driver"); 116157114Sscottl 117158737Sambrisko#define MFI_INQ_LENGTH SHORT_INQUIRY_LENGTH 118157114Sscottl 119157114Sscottlstatic int 120157114Sscottlmfi_transition_firmware(struct mfi_softc *sc) 121157114Sscottl{ 122157114Sscottl int32_t fw_state, cur_state; 123157114Sscottl int max_wait, i; 124157114Sscottl 125157114Sscottl fw_state = MFI_READ4(sc, MFI_OMSG0) & MFI_FWSTATE_MASK; 126157114Sscottl while (fw_state != MFI_FWSTATE_READY) { 127157114Sscottl if (bootverbose) 128157114Sscottl device_printf(sc->mfi_dev, "Waiting for firmware to " 129157114Sscottl "become ready\n"); 130157114Sscottl cur_state = fw_state; 131157114Sscottl switch (fw_state) { 132157114Sscottl case MFI_FWSTATE_FAULT: 133157114Sscottl device_printf(sc->mfi_dev, "Firmware fault\n"); 134157114Sscottl return (ENXIO); 135157114Sscottl case MFI_FWSTATE_WAIT_HANDSHAKE: 136157114Sscottl MFI_WRITE4(sc, MFI_IDB, MFI_FWINIT_CLEAR_HANDSHAKE); 137157114Sscottl max_wait = 2; 138157114Sscottl break; 139157114Sscottl case MFI_FWSTATE_OPERATIONAL: 140157114Sscottl MFI_WRITE4(sc, MFI_IDB, MFI_FWINIT_READY); 141157114Sscottl max_wait = 10; 142157114Sscottl break; 143157114Sscottl case MFI_FWSTATE_UNDEFINED: 144157114Sscottl case MFI_FWSTATE_BB_INIT: 145157114Sscottl max_wait = 2; 146157114Sscottl break; 147157114Sscottl case MFI_FWSTATE_FW_INIT: 148157114Sscottl case MFI_FWSTATE_DEVICE_SCAN: 149157114Sscottl case MFI_FWSTATE_FLUSH_CACHE: 150157114Sscottl max_wait = 20; 151157114Sscottl break; 152157114Sscottl default: 153157114Sscottl device_printf(sc->mfi_dev,"Unknown firmware state %d\n", 154157114Sscottl fw_state); 155157114Sscottl return (ENXIO); 156157114Sscottl } 157157114Sscottl for (i = 0; i < (max_wait * 10); i++) { 158157114Sscottl fw_state = MFI_READ4(sc, MFI_OMSG0) & MFI_FWSTATE_MASK; 159157114Sscottl if (fw_state == cur_state) 160157114Sscottl DELAY(100000); 161157114Sscottl else 162157114Sscottl break; 163157114Sscottl } 164157114Sscottl if (fw_state == cur_state) { 165157114Sscottl device_printf(sc->mfi_dev, "firmware stuck in state " 166157114Sscottl "%#x\n", fw_state); 167157114Sscottl return (ENXIO); 168157114Sscottl } 169157114Sscottl } 170157114Sscottl return (0); 171157114Sscottl} 172157114Sscottl 173157114Sscottlstatic void 174157114Sscottlmfi_addr32_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 175157114Sscottl{ 176157114Sscottl uint32_t *addr; 177157114Sscottl 178157114Sscottl addr = arg; 179157114Sscottl *addr = segs[0].ds_addr; 180157114Sscottl} 181157114Sscottl 182157114Sscottlint 183157114Sscottlmfi_attach(struct mfi_softc *sc) 184157114Sscottl{ 185157114Sscottl uint32_t status; 186157114Sscottl int error, commsz, framessz, sensesz; 187162458Sscottl int frames, unit, max_fw_sge; 188157114Sscottl 189157114Sscottl mtx_init(&sc->mfi_io_lock, "MFI I/O lock", NULL, MTX_DEF); 190157114Sscottl TAILQ_INIT(&sc->mfi_ld_tqh); 191158737Sambrisko TAILQ_INIT(&sc->mfi_aen_pids); 192157114Sscottl 193157114Sscottl mfi_initq_free(sc); 194157114Sscottl mfi_initq_ready(sc); 195157114Sscottl mfi_initq_busy(sc); 196157114Sscottl mfi_initq_bio(sc); 197157114Sscottl 198157114Sscottl /* Before we get too far, see if the firmware is working */ 199157114Sscottl if ((error = mfi_transition_firmware(sc)) != 0) { 200157114Sscottl device_printf(sc->mfi_dev, "Firmware not in READY state, " 201157114Sscottl "error %d\n", error); 202157114Sscottl return (ENXIO); 203157114Sscottl } 204157114Sscottl 205157114Sscottl /* 206157114Sscottl * Get information needed for sizing the contiguous memory for the 207157114Sscottl * frame pool. Size down the sgl parameter since we know that 208157114Sscottl * we will never need more than what's required for MAXPHYS. 209157114Sscottl * It would be nice if these constants were available at runtime 210157114Sscottl * instead of compile time. 211157114Sscottl */ 212157114Sscottl status = MFI_READ4(sc, MFI_OMSG0); 213157114Sscottl sc->mfi_max_fw_cmds = status & MFI_FWSTATE_MAXCMD_MASK; 214162458Sscottl max_fw_sge = (status & MFI_FWSTATE_MAXSGL_MASK) >> 16; 215162458Sscottl sc->mfi_max_sge = min(max_fw_sge, ((MAXPHYS / PAGE_SIZE) + 1)); 216157114Sscottl 217157114Sscottl /* 218157114Sscottl * Create the dma tag for data buffers. Used both for block I/O 219157114Sscottl * and for various internal data queries. 220157114Sscottl */ 221157114Sscottl if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 222157114Sscottl 1, 0, /* algnmnt, boundary */ 223157114Sscottl BUS_SPACE_MAXADDR, /* lowaddr */ 224157114Sscottl BUS_SPACE_MAXADDR, /* highaddr */ 225157114Sscottl NULL, NULL, /* filter, filterarg */ 226157114Sscottl BUS_SPACE_MAXSIZE_32BIT,/* maxsize */ 227162458Sscottl sc->mfi_max_sge, /* nsegments */ 228157114Sscottl BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ 229157114Sscottl BUS_DMA_ALLOCNOW, /* flags */ 230157114Sscottl busdma_lock_mutex, /* lockfunc */ 231157114Sscottl &sc->mfi_io_lock, /* lockfuncarg */ 232157114Sscottl &sc->mfi_buffer_dmat)) { 233157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate buffer DMA tag\n"); 234157114Sscottl return (ENOMEM); 235157114Sscottl } 236157114Sscottl 237157114Sscottl /* 238157114Sscottl * Allocate DMA memory for the comms queues. Keep it under 4GB for 239157114Sscottl * efficiency. The mfi_hwcomms struct includes space for 1 reply queue 240157114Sscottl * entry, so the calculated size here will be will be 1 more than 241157114Sscottl * mfi_max_fw_cmds. This is apparently a requirement of the hardware. 242157114Sscottl */ 243157114Sscottl commsz = (sizeof(uint32_t) * sc->mfi_max_fw_cmds) + 244157114Sscottl sizeof(struct mfi_hwcomms); 245157114Sscottl if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 246157114Sscottl 1, 0, /* algnmnt, boundary */ 247157114Sscottl BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 248157114Sscottl BUS_SPACE_MAXADDR, /* highaddr */ 249157114Sscottl NULL, NULL, /* filter, filterarg */ 250157114Sscottl commsz, /* maxsize */ 251157114Sscottl 1, /* msegments */ 252157114Sscottl commsz, /* maxsegsize */ 253157114Sscottl 0, /* flags */ 254157114Sscottl NULL, NULL, /* lockfunc, lockarg */ 255157114Sscottl &sc->mfi_comms_dmat)) { 256157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate comms DMA tag\n"); 257157114Sscottl return (ENOMEM); 258157114Sscottl } 259157114Sscottl if (bus_dmamem_alloc(sc->mfi_comms_dmat, (void **)&sc->mfi_comms, 260157114Sscottl BUS_DMA_NOWAIT, &sc->mfi_comms_dmamap)) { 261157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate comms memory\n"); 262157114Sscottl return (ENOMEM); 263157114Sscottl } 264157114Sscottl bzero(sc->mfi_comms, commsz); 265157114Sscottl bus_dmamap_load(sc->mfi_comms_dmat, sc->mfi_comms_dmamap, 266157114Sscottl sc->mfi_comms, commsz, mfi_addr32_cb, &sc->mfi_comms_busaddr, 0); 267157114Sscottl 268157114Sscottl /* 269157114Sscottl * Allocate DMA memory for the command frames. Keep them in the 270162458Sscottl * lower 4GB for efficiency. Calculate the size of the commands at 271162458Sscottl * the same time; each command is one 64 byte frame plus a set of 272162458Sscottl * additional frames for holding sg lists or other data. 273157114Sscottl * The assumption here is that the SG list will start at the second 274162458Sscottl * frame and not use the unused bytes in the first frame. While this 275162458Sscottl * isn't technically correct, it simplifies the calculation and allows 276162458Sscottl * for command frames that might be larger than an mfi_io_frame. 277157114Sscottl */ 278157114Sscottl if (sizeof(bus_addr_t) == 8) { 279162458Sscottl sc->mfi_sge_size = sizeof(struct mfi_sg64); 280157114Sscottl sc->mfi_flags |= MFI_FLAGS_SG64; 281157114Sscottl } else { 282162458Sscottl sc->mfi_sge_size = sizeof(struct mfi_sg32); 283157114Sscottl } 284162458Sscottl frames = (sc->mfi_sge_size * sc->mfi_max_sge - 1) / MFI_FRAME_SIZE + 2; 285162458Sscottl sc->mfi_cmd_size = frames * MFI_FRAME_SIZE; 286162458Sscottl framessz = sc->mfi_cmd_size * sc->mfi_max_fw_cmds; 287157114Sscottl if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 288157114Sscottl 64, 0, /* algnmnt, boundary */ 289157114Sscottl BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 290157114Sscottl BUS_SPACE_MAXADDR, /* highaddr */ 291157114Sscottl NULL, NULL, /* filter, filterarg */ 292157114Sscottl framessz, /* maxsize */ 293157114Sscottl 1, /* nsegments */ 294157114Sscottl framessz, /* maxsegsize */ 295157114Sscottl 0, /* flags */ 296157114Sscottl NULL, NULL, /* lockfunc, lockarg */ 297157114Sscottl &sc->mfi_frames_dmat)) { 298157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate frame DMA tag\n"); 299157114Sscottl return (ENOMEM); 300157114Sscottl } 301157114Sscottl if (bus_dmamem_alloc(sc->mfi_frames_dmat, (void **)&sc->mfi_frames, 302157114Sscottl BUS_DMA_NOWAIT, &sc->mfi_frames_dmamap)) { 303157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate frames memory\n"); 304157114Sscottl return (ENOMEM); 305157114Sscottl } 306157114Sscottl bzero(sc->mfi_frames, framessz); 307157114Sscottl bus_dmamap_load(sc->mfi_frames_dmat, sc->mfi_frames_dmamap, 308157114Sscottl sc->mfi_frames, framessz, mfi_addr32_cb, &sc->mfi_frames_busaddr,0); 309157114Sscottl 310157114Sscottl /* 311157114Sscottl * Allocate DMA memory for the frame sense data. Keep them in the 312157114Sscottl * lower 4GB for efficiency 313157114Sscottl */ 314157114Sscottl sensesz = sc->mfi_max_fw_cmds * MFI_SENSE_LEN; 315157114Sscottl if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 316157114Sscottl 4, 0, /* algnmnt, boundary */ 317157114Sscottl BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 318157114Sscottl BUS_SPACE_MAXADDR, /* highaddr */ 319157114Sscottl NULL, NULL, /* filter, filterarg */ 320157114Sscottl sensesz, /* maxsize */ 321157114Sscottl 1, /* nsegments */ 322157114Sscottl sensesz, /* maxsegsize */ 323157114Sscottl 0, /* flags */ 324157114Sscottl NULL, NULL, /* lockfunc, lockarg */ 325157114Sscottl &sc->mfi_sense_dmat)) { 326157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate sense DMA tag\n"); 327157114Sscottl return (ENOMEM); 328157114Sscottl } 329157114Sscottl if (bus_dmamem_alloc(sc->mfi_sense_dmat, (void **)&sc->mfi_sense, 330157114Sscottl BUS_DMA_NOWAIT, &sc->mfi_sense_dmamap)) { 331157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate sense memory\n"); 332157114Sscottl return (ENOMEM); 333157114Sscottl } 334157114Sscottl bus_dmamap_load(sc->mfi_sense_dmat, sc->mfi_sense_dmamap, 335157114Sscottl sc->mfi_sense, sensesz, mfi_addr32_cb, &sc->mfi_sense_busaddr, 0); 336157114Sscottl 337157114Sscottl if ((error = mfi_alloc_commands(sc)) != 0) 338157114Sscottl return (error); 339157114Sscottl 340157114Sscottl if ((error = mfi_comms_init(sc)) != 0) 341157114Sscottl return (error); 342157114Sscottl 343157114Sscottl if ((error = mfi_get_controller_info(sc)) != 0) 344157114Sscottl return (error); 345157114Sscottl 346163398Sscottl mtx_lock(&sc->mfi_io_lock); 347163398Sscottl if ((error = mfi_aen_setup(sc, 0), 0) != 0) { 348163398Sscottl mtx_unlock(&sc->mfi_io_lock); 349157114Sscottl return (error); 350163398Sscottl } 351163398Sscottl mtx_unlock(&sc->mfi_io_lock); 352157114Sscottl 353157114Sscottl /* 354157114Sscottl * Set up the interrupt handler. XXX This should happen in 355157114Sscottl * mfi_pci.c 356157114Sscottl */ 357157114Sscottl sc->mfi_irq_rid = 0; 358157114Sscottl if ((sc->mfi_irq = bus_alloc_resource_any(sc->mfi_dev, SYS_RES_IRQ, 359157114Sscottl &sc->mfi_irq_rid, RF_SHAREABLE | RF_ACTIVE)) == NULL) { 360157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate interrupt\n"); 361157114Sscottl return (EINVAL); 362157114Sscottl } 363157114Sscottl if (bus_setup_intr(sc->mfi_dev, sc->mfi_irq, INTR_MPSAFE|INTR_TYPE_BIO, 364157114Sscottl mfi_intr, sc, &sc->mfi_intr)) { 365157114Sscottl device_printf(sc->mfi_dev, "Cannot set up interrupt\n"); 366157114Sscottl return (EINVAL); 367157114Sscottl } 368157114Sscottl 369157114Sscottl /* Register a config hook to probe the bus for arrays */ 370157114Sscottl sc->mfi_ich.ich_func = mfi_startup; 371157114Sscottl sc->mfi_ich.ich_arg = sc; 372157114Sscottl if (config_intrhook_establish(&sc->mfi_ich) != 0) { 373157114Sscottl device_printf(sc->mfi_dev, "Cannot establish configuration " 374157114Sscottl "hook\n"); 375157114Sscottl return (EINVAL); 376157114Sscottl } 377157114Sscottl 378157114Sscottl /* 379157114Sscottl * Register a shutdown handler. 380157114Sscottl */ 381157114Sscottl if ((sc->mfi_eh = EVENTHANDLER_REGISTER(shutdown_final, mfi_shutdown, 382157114Sscottl sc, SHUTDOWN_PRI_DEFAULT)) == NULL) { 383157114Sscottl device_printf(sc->mfi_dev, "Warning: shutdown event " 384157114Sscottl "registration failed\n"); 385157114Sscottl } 386157114Sscottl 387157114Sscottl /* 388157114Sscottl * Create the control device for doing management 389157114Sscottl */ 390157114Sscottl unit = device_get_unit(sc->mfi_dev); 391157114Sscottl sc->mfi_cdev = make_dev(&mfi_cdevsw, unit, UID_ROOT, GID_OPERATOR, 392157114Sscottl 0640, "mfi%d", unit); 393158737Sambrisko if (unit == 0) 394158737Sambrisko make_dev_alias(sc->mfi_cdev, "megaraid_sas_ioctl_node"); 395157114Sscottl if (sc->mfi_cdev != NULL) 396157114Sscottl sc->mfi_cdev->si_drv1 = sc; 397157114Sscottl 398162619Sscottl /* Start the timeout watchdog */ 399162619Sscottl callout_init(&sc->mfi_watchdog_callout, 1); 400162619Sscottl callout_reset(&sc->mfi_watchdog_callout, MFI_CMD_TIMEOUT * hz, 401162619Sscottl mfi_timeout, sc); 402162619Sscottl 403157114Sscottl return (0); 404157114Sscottl} 405157114Sscottl 406157114Sscottlstatic int 407157114Sscottlmfi_alloc_commands(struct mfi_softc *sc) 408157114Sscottl{ 409157114Sscottl struct mfi_command *cm; 410157114Sscottl int i, ncmds; 411157114Sscottl 412157114Sscottl /* 413157114Sscottl * XXX Should we allocate all the commands up front, or allocate on 414157114Sscottl * demand later like 'aac' does? 415157114Sscottl */ 416157114Sscottl ncmds = sc->mfi_max_fw_cmds; 417157114Sscottl sc->mfi_commands = malloc(sizeof(struct mfi_command) * ncmds, M_MFIBUF, 418157114Sscottl M_WAITOK | M_ZERO); 419157114Sscottl 420157114Sscottl for (i = 0; i < ncmds; i++) { 421157114Sscottl cm = &sc->mfi_commands[i]; 422158737Sambrisko cm->cm_frame = (union mfi_frame *)((uintptr_t)sc->mfi_frames + 423162458Sscottl sc->mfi_cmd_size * i); 424157114Sscottl cm->cm_frame_busaddr = sc->mfi_frames_busaddr + 425162458Sscottl sc->mfi_cmd_size * i; 426157114Sscottl cm->cm_frame->header.context = i; 427157114Sscottl cm->cm_sense = &sc->mfi_sense[i]; 428157114Sscottl cm->cm_sense_busaddr= sc->mfi_sense_busaddr + MFI_SENSE_LEN * i; 429157114Sscottl cm->cm_sc = sc; 430162619Sscottl cm->cm_index = i; 431157114Sscottl if (bus_dmamap_create(sc->mfi_buffer_dmat, 0, 432157114Sscottl &cm->cm_dmamap) == 0) 433157114Sscottl mfi_release_command(cm); 434157114Sscottl else 435157114Sscottl break; 436157114Sscottl sc->mfi_total_cmds++; 437157114Sscottl } 438157114Sscottl 439157114Sscottl return (0); 440157114Sscottl} 441157114Sscottl 442157114Sscottlstatic void 443157114Sscottlmfi_release_command(struct mfi_command *cm) 444157114Sscottl{ 445163398Sscottl struct mfi_frame_header *hdr; 446157114Sscottl uint32_t *hdr_data; 447157114Sscottl 448157114Sscottl /* 449157114Sscottl * Zero out the important fields of the frame, but make sure the 450157114Sscottl * context field is preserved 451157114Sscottl */ 452157114Sscottl hdr_data = (uint32_t *)cm->cm_frame; 453157114Sscottl hdr_data[0] = 0; 454157114Sscottl hdr_data[1] = 0; 455157114Sscottl 456163398Sscottl hdr = &cm->cm_frame->header; 457163398Sscottl if (hdr->sg_count) { 458163398Sscottl cm->cm_sg->sg32[0].len = 0; 459163398Sscottl cm->cm_sg->sg32[0].addr = 0; 460163398Sscottl } 461157114Sscottl cm->cm_extra_frames = 0; 462157114Sscottl cm->cm_flags = 0; 463157114Sscottl cm->cm_complete = NULL; 464157114Sscottl cm->cm_private = NULL; 465157114Sscottl cm->cm_sg = 0; 466157114Sscottl cm->cm_total_frame_size = 0; 467163398Sscottl 468157114Sscottl mfi_enqueue_free(cm); 469157114Sscottl} 470157114Sscottl 471157114Sscottlstatic int 472159806Spsmfi_dcmd_command(struct mfi_softc *sc, struct mfi_command **cmp, uint32_t opcode, 473159806Sps void **bufp, size_t bufsize) 474159806Sps{ 475159806Sps struct mfi_command *cm; 476159806Sps struct mfi_dcmd_frame *dcmd; 477159806Sps void *buf = NULL; 478159806Sps 479159806Sps mtx_assert(&sc->mfi_io_lock, MA_OWNED); 480159806Sps 481159806Sps cm = mfi_dequeue_free(sc); 482159806Sps if (cm == NULL) 483159806Sps return (EBUSY); 484159806Sps 485159806Sps if ((bufsize > 0) && (bufp != NULL)) { 486159806Sps if (*bufp == NULL) { 487159806Sps buf = malloc(bufsize, M_MFIBUF, M_NOWAIT|M_ZERO); 488159806Sps if (buf == NULL) { 489159806Sps mfi_release_command(cm); 490159806Sps return (ENOMEM); 491159806Sps } 492159806Sps *bufp = buf; 493159806Sps } else { 494159806Sps buf = *bufp; 495159806Sps } 496159806Sps } 497159806Sps 498159806Sps dcmd = &cm->cm_frame->dcmd; 499159806Sps bzero(dcmd->mbox, MFI_MBOX_SIZE); 500159806Sps dcmd->header.cmd = MFI_CMD_DCMD; 501159806Sps dcmd->header.timeout = 0; 502159806Sps dcmd->header.flags = 0; 503159806Sps dcmd->header.data_len = bufsize; 504159806Sps dcmd->opcode = opcode; 505159806Sps cm->cm_sg = &dcmd->sgl; 506159806Sps cm->cm_total_frame_size = MFI_DCMD_FRAME_SIZE; 507159806Sps cm->cm_flags = 0; 508159806Sps cm->cm_data = buf; 509159806Sps cm->cm_private = buf; 510159806Sps cm->cm_len = bufsize; 511159806Sps 512159806Sps *cmp = cm; 513159806Sps if ((bufp != NULL) && (*bufp == NULL) && (buf != NULL)) 514159806Sps *bufp = buf; 515159806Sps return (0); 516159806Sps} 517159806Sps 518159806Spsstatic int 519157114Sscottlmfi_comms_init(struct mfi_softc *sc) 520157114Sscottl{ 521157114Sscottl struct mfi_command *cm; 522157114Sscottl struct mfi_init_frame *init; 523157114Sscottl struct mfi_init_qinfo *qinfo; 524157114Sscottl int error; 525157114Sscottl 526163398Sscottl mtx_lock(&sc->mfi_io_lock); 527157114Sscottl if ((cm = mfi_dequeue_free(sc)) == NULL) 528157114Sscottl return (EBUSY); 529157114Sscottl 530157114Sscottl /* 531157114Sscottl * Abuse the SG list area of the frame to hold the init_qinfo 532157114Sscottl * object; 533157114Sscottl */ 534157114Sscottl init = &cm->cm_frame->init; 535157114Sscottl qinfo = (struct mfi_init_qinfo *)((uintptr_t)init + MFI_FRAME_SIZE); 536157114Sscottl 537157114Sscottl bzero(qinfo, sizeof(struct mfi_init_qinfo)); 538157114Sscottl qinfo->rq_entries = sc->mfi_max_fw_cmds + 1; 539157114Sscottl qinfo->rq_addr_lo = sc->mfi_comms_busaddr + 540157114Sscottl offsetof(struct mfi_hwcomms, hw_reply_q); 541157114Sscottl qinfo->pi_addr_lo = sc->mfi_comms_busaddr + 542157114Sscottl offsetof(struct mfi_hwcomms, hw_pi); 543157114Sscottl qinfo->ci_addr_lo = sc->mfi_comms_busaddr + 544157114Sscottl offsetof(struct mfi_hwcomms, hw_ci); 545157114Sscottl 546157114Sscottl init->header.cmd = MFI_CMD_INIT; 547157114Sscottl init->header.data_len = sizeof(struct mfi_init_qinfo); 548157114Sscottl init->qinfo_new_addr_lo = cm->cm_frame_busaddr + MFI_FRAME_SIZE; 549157114Sscottl 550157114Sscottl if ((error = mfi_polled_command(sc, cm)) != 0) { 551157114Sscottl device_printf(sc->mfi_dev, "failed to send init command\n"); 552163398Sscottl mtx_unlock(&sc->mfi_io_lock); 553157114Sscottl return (error); 554157114Sscottl } 555157114Sscottl mfi_release_command(cm); 556163398Sscottl mtx_unlock(&sc->mfi_io_lock); 557157114Sscottl 558157114Sscottl return (0); 559157114Sscottl} 560157114Sscottl 561157114Sscottlstatic int 562157114Sscottlmfi_get_controller_info(struct mfi_softc *sc) 563157114Sscottl{ 564159806Sps struct mfi_command *cm = NULL; 565159806Sps struct mfi_ctrl_info *ci = NULL; 566157114Sscottl uint32_t max_sectors_1, max_sectors_2; 567157114Sscottl int error; 568157114Sscottl 569159806Sps mtx_lock(&sc->mfi_io_lock); 570159806Sps error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_GETINFO, 571159806Sps (void **)&ci, sizeof(*ci)); 572159806Sps if (error) 573159806Sps goto out; 574157114Sscottl cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED; 575157114Sscottl 576157114Sscottl if ((error = mfi_mapcmd(sc, cm)) != 0) { 577159802Sps device_printf(sc->mfi_dev, "Controller info buffer map failed\n"); 578157114Sscottl free(ci, M_MFIBUF); 579157114Sscottl mfi_release_command(cm); 580163398Sscottl mtx_unlock(&sc->mfi_io_lock); 581157114Sscottl return (error); 582157114Sscottl } 583157114Sscottl 584157114Sscottl /* It's ok if this fails, just use default info instead */ 585157114Sscottl if ((error = mfi_polled_command(sc, cm)) != 0) { 586157114Sscottl device_printf(sc->mfi_dev, "Failed to get controller info\n"); 587162458Sscottl sc->mfi_max_io = (sc->mfi_max_sge - 1) * PAGE_SIZE / 588157114Sscottl MFI_SECTOR_LEN; 589159806Sps error = 0; 590159806Sps goto out; 591157114Sscottl } 592157114Sscottl 593157114Sscottl bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 594157114Sscottl BUS_DMASYNC_POSTREAD); 595157114Sscottl bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 596157114Sscottl 597157114Sscottl max_sectors_1 = (1 << ci->stripe_sz_ops.min) * ci->max_strips_per_io; 598157114Sscottl max_sectors_2 = ci->max_request_size; 599157114Sscottl sc->mfi_max_io = min(max_sectors_1, max_sectors_2); 600157114Sscottl 601159806Spsout: 602159806Sps if (ci) 603159806Sps free(ci, M_MFIBUF); 604159806Sps if (cm) 605159806Sps mfi_release_command(cm); 606159806Sps mtx_unlock(&sc->mfi_io_lock); 607157114Sscottl return (error); 608157114Sscottl} 609157114Sscottl 610157114Sscottlstatic int 611159806Spsmfi_get_log_state(struct mfi_softc *sc, struct mfi_evt_log_state **log_state) 612158737Sambrisko{ 613159812Sps struct mfi_command *cm = NULL; 614158737Sambrisko int error; 615158737Sambrisko 616159806Sps error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_EVENT_GETINFO, 617159806Sps (void **)log_state, sizeof(**log_state)); 618159806Sps if (error) 619159806Sps goto out; 620159810Sps cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED; 621158737Sambrisko 622158737Sambrisko if ((error = mfi_mapcmd(sc, cm)) != 0) { 623159802Sps device_printf(sc->mfi_dev, "Log state buffer map failed\n"); 624159806Sps goto out; 625158737Sambrisko } 626158737Sambrisko 627158737Sambrisko if ((error = mfi_polled_command(sc, cm)) != 0) { 628159802Sps device_printf(sc->mfi_dev, "Failed to get log state\n"); 629159806Sps goto out; 630158737Sambrisko } 631158737Sambrisko 632158737Sambrisko bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 633158737Sambrisko BUS_DMASYNC_POSTREAD); 634158737Sambrisko bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 635158737Sambrisko 636159806Spsout: 637159812Sps if (cm) 638159812Sps mfi_release_command(cm); 639158737Sambrisko 640158737Sambrisko return (error); 641158737Sambrisko} 642158737Sambrisko 643158737Sambriskostatic int 644158737Sambriskomfi_aen_setup(struct mfi_softc *sc, uint32_t seq_start) 645158737Sambrisko{ 646159806Sps struct mfi_evt_log_state *log_state = NULL; 647158737Sambrisko union mfi_evt class_locale; 648158737Sambrisko int error = 0; 649158737Sambrisko uint32_t seq; 650158737Sambrisko 651158737Sambrisko class_locale.members.reserved = 0; 652162118Sambrisko class_locale.members.locale = mfi_event_locale; 653162118Sambrisko class_locale.members.class = mfi_event_class; 654158737Sambrisko 655158737Sambrisko if (seq_start == 0) { 656158737Sambrisko error = mfi_get_log_state(sc, &log_state); 657159806Sps if (error) { 658159806Sps if (log_state) 659159806Sps free(log_state, M_MFIBUF); 660158737Sambrisko return (error); 661159806Sps } 662158737Sambrisko /* 663158737Sambrisko * Don't run them yet since we can't parse them. 664158737Sambrisko * We can indirectly get the contents from 665158737Sambrisko * the AEN mechanism via setting it lower then 666158737Sambrisko * current. The firmware will iterate through them. 667158737Sambrisko */ 668159806Sps for (seq = log_state->shutdown_seq_num; 669159806Sps seq <= log_state->newest_seq_num; seq++) { 670158737Sambrisko mfi_get_entry(sc, seq); 671158737Sambrisko } 672158737Sambrisko } else 673158737Sambrisko seq = seq_start; 674158737Sambrisko mfi_aen_register(sc, seq, class_locale.word); 675159806Sps free(log_state, M_MFIBUF); 676158737Sambrisko 677158737Sambrisko return 0; 678158737Sambrisko} 679158737Sambrisko 680158737Sambriskostatic int 681157114Sscottlmfi_polled_command(struct mfi_softc *sc, struct mfi_command *cm) 682157114Sscottl{ 683157114Sscottl struct mfi_frame_header *hdr; 684157114Sscottl int tm = MFI_POLL_TIMEOUT_SECS * 1000000; 685157114Sscottl 686163398Sscottl mtx_assert(&sc->mfi_io_lock, MA_OWNED); 687163398Sscottl 688157114Sscottl hdr = &cm->cm_frame->header; 689157114Sscottl hdr->cmd_status = 0xff; 690157114Sscottl hdr->flags |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE; 691157114Sscottl 692157114Sscottl mfi_send_frame(sc, cm); 693157114Sscottl 694157114Sscottl while (hdr->cmd_status == 0xff) { 695157114Sscottl DELAY(1000); 696157114Sscottl tm -= 1000; 697157114Sscottl if (tm <= 0) 698157114Sscottl break; 699157114Sscottl } 700157114Sscottl 701157114Sscottl if (hdr->cmd_status == 0xff) { 702157114Sscottl device_printf(sc->mfi_dev, "Frame %p timed out\n", hdr); 703157114Sscottl return (ETIMEDOUT); 704157114Sscottl } 705157114Sscottl 706157114Sscottl return (0); 707157114Sscottl} 708157114Sscottl 709159811Spsstatic int 710159811Spsmfi_wait_command(struct mfi_softc *sc, struct mfi_command *cm) 711159811Sps{ 712159811Sps 713159811Sps mtx_assert(&sc->mfi_io_lock, MA_OWNED); 714159811Sps cm->cm_complete = NULL; 715159811Sps 716159811Sps mfi_enqueue_ready(cm); 717159811Sps mfi_startio(sc); 718159811Sps return (msleep(cm, &sc->mfi_io_lock, PRIBIO, "mfiwait", 0)); 719159811Sps} 720159811Sps 721157114Sscottlvoid 722157114Sscottlmfi_free(struct mfi_softc *sc) 723157114Sscottl{ 724157114Sscottl struct mfi_command *cm; 725157114Sscottl int i; 726157114Sscottl 727162619Sscottl callout_drain(&sc->mfi_watchdog_callout); 728162619Sscottl 729157114Sscottl if (sc->mfi_cdev != NULL) 730157114Sscottl destroy_dev(sc->mfi_cdev); 731157114Sscottl 732157114Sscottl if (sc->mfi_total_cmds != 0) { 733157114Sscottl for (i = 0; i < sc->mfi_total_cmds; i++) { 734157114Sscottl cm = &sc->mfi_commands[i]; 735157114Sscottl bus_dmamap_destroy(sc->mfi_buffer_dmat, cm->cm_dmamap); 736157114Sscottl } 737157114Sscottl free(sc->mfi_commands, M_MFIBUF); 738157114Sscottl } 739157114Sscottl 740157114Sscottl if (sc->mfi_intr) 741157114Sscottl bus_teardown_intr(sc->mfi_dev, sc->mfi_irq, sc->mfi_intr); 742157114Sscottl if (sc->mfi_irq != NULL) 743157114Sscottl bus_release_resource(sc->mfi_dev, SYS_RES_IRQ, sc->mfi_irq_rid, 744157114Sscottl sc->mfi_irq); 745157114Sscottl 746157114Sscottl if (sc->mfi_sense_busaddr != 0) 747157114Sscottl bus_dmamap_unload(sc->mfi_sense_dmat, sc->mfi_sense_dmamap); 748157114Sscottl if (sc->mfi_sense != NULL) 749157114Sscottl bus_dmamem_free(sc->mfi_sense_dmat, sc->mfi_sense, 750157114Sscottl sc->mfi_sense_dmamap); 751157114Sscottl if (sc->mfi_sense_dmat != NULL) 752157114Sscottl bus_dma_tag_destroy(sc->mfi_sense_dmat); 753157114Sscottl 754157114Sscottl if (sc->mfi_frames_busaddr != 0) 755157114Sscottl bus_dmamap_unload(sc->mfi_frames_dmat, sc->mfi_frames_dmamap); 756157114Sscottl if (sc->mfi_frames != NULL) 757157114Sscottl bus_dmamem_free(sc->mfi_frames_dmat, sc->mfi_frames, 758157114Sscottl sc->mfi_frames_dmamap); 759157114Sscottl if (sc->mfi_frames_dmat != NULL) 760157114Sscottl bus_dma_tag_destroy(sc->mfi_frames_dmat); 761157114Sscottl 762157114Sscottl if (sc->mfi_comms_busaddr != 0) 763157114Sscottl bus_dmamap_unload(sc->mfi_comms_dmat, sc->mfi_comms_dmamap); 764157114Sscottl if (sc->mfi_comms != NULL) 765157114Sscottl bus_dmamem_free(sc->mfi_comms_dmat, sc->mfi_comms, 766157114Sscottl sc->mfi_comms_dmamap); 767157114Sscottl if (sc->mfi_comms_dmat != NULL) 768157114Sscottl bus_dma_tag_destroy(sc->mfi_comms_dmat); 769157114Sscottl 770157114Sscottl if (sc->mfi_buffer_dmat != NULL) 771157114Sscottl bus_dma_tag_destroy(sc->mfi_buffer_dmat); 772157114Sscottl if (sc->mfi_parent_dmat != NULL) 773157114Sscottl bus_dma_tag_destroy(sc->mfi_parent_dmat); 774157114Sscottl 775157114Sscottl if (mtx_initialized(&sc->mfi_io_lock)) 776157114Sscottl mtx_destroy(&sc->mfi_io_lock); 777157114Sscottl 778157114Sscottl return; 779157114Sscottl} 780157114Sscottl 781157114Sscottlstatic void 782157114Sscottlmfi_startup(void *arg) 783157114Sscottl{ 784157114Sscottl struct mfi_softc *sc; 785157114Sscottl 786157114Sscottl sc = (struct mfi_softc *)arg; 787157114Sscottl 788157114Sscottl config_intrhook_disestablish(&sc->mfi_ich); 789157114Sscottl 790157114Sscottl mfi_enable_intr(sc); 791163398Sscottl mtx_lock(&sc->mfi_io_lock); 792159811Sps mfi_ldprobe(sc); 793163398Sscottl mtx_unlock(&sc->mfi_io_lock); 794157114Sscottl} 795157114Sscottl 796157114Sscottlstatic void 797157114Sscottlmfi_intr(void *arg) 798157114Sscottl{ 799157114Sscottl struct mfi_softc *sc; 800157114Sscottl struct mfi_command *cm; 801157114Sscottl uint32_t status, pi, ci, context; 802157114Sscottl 803157114Sscottl sc = (struct mfi_softc *)arg; 804157114Sscottl 805157114Sscottl status = MFI_READ4(sc, MFI_OSTS); 806157114Sscottl if ((status & MFI_OSTS_INTR_VALID) == 0) 807157114Sscottl return; 808163398Sscottl 809157114Sscottl MFI_WRITE4(sc, MFI_OSTS, status); 810157114Sscottl 811157114Sscottl pi = sc->mfi_comms->hw_pi; 812157114Sscottl ci = sc->mfi_comms->hw_ci; 813157114Sscottl mtx_lock(&sc->mfi_io_lock); 814157114Sscottl while (ci != pi) { 815157114Sscottl context = sc->mfi_comms->hw_reply_q[ci]; 816162099Sscottl cm = &sc->mfi_commands[context]; 817162099Sscottl mfi_remove_busy(cm); 818162099Sscottl mfi_complete(sc, cm); 819162099Sscottl if (++ci == (sc->mfi_max_fw_cmds + 1)) { 820157114Sscottl ci = 0; 821157114Sscottl } 822157114Sscottl } 823157114Sscottl 824157114Sscottl sc->mfi_comms->hw_ci = ci; 825157114Sscottl 826163398Sscottl /* Give defered I/O a chance to run */ 827163398Sscottl if (sc->mfi_flags & MFI_FLAGS_QFRZN) 828163398Sscottl sc->mfi_flags &= ~MFI_FLAGS_QFRZN; 829163398Sscottl mfi_startio(sc); 830163398Sscottl mtx_unlock(&sc->mfi_io_lock); 831163398Sscottl 832157114Sscottl return; 833157114Sscottl} 834157114Sscottl 835157114Sscottlint 836157114Sscottlmfi_shutdown(struct mfi_softc *sc) 837157114Sscottl{ 838157114Sscottl struct mfi_dcmd_frame *dcmd; 839157114Sscottl struct mfi_command *cm; 840157114Sscottl int error; 841157114Sscottl 842159806Sps mtx_lock(&sc->mfi_io_lock); 843159806Sps error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_SHUTDOWN, NULL, 0); 844163398Sscottl if (error) { 845163398Sscottl mtx_unlock(&sc->mfi_io_lock); 846159806Sps return (error); 847163398Sscottl } 848157114Sscottl 849158737Sambrisko if (sc->mfi_aen_cm != NULL) 850158737Sambrisko mfi_abort(sc, sc->mfi_aen_cm); 851157114Sscottl 852157114Sscottl dcmd = &cm->cm_frame->dcmd; 853157114Sscottl dcmd->header.flags = MFI_FRAME_DIR_NONE; 854157114Sscottl 855157114Sscottl if ((error = mfi_polled_command(sc, cm)) != 0) { 856157114Sscottl device_printf(sc->mfi_dev, "Failed to shutdown controller\n"); 857157114Sscottl } 858157114Sscottl 859159812Sps mfi_release_command(cm); 860163398Sscottl mtx_unlock(&sc->mfi_io_lock); 861157114Sscottl return (error); 862157114Sscottl} 863157114Sscottl 864157114Sscottlstatic void 865157114Sscottlmfi_enable_intr(struct mfi_softc *sc) 866157114Sscottl{ 867157114Sscottl 868157114Sscottl MFI_WRITE4(sc, MFI_OMSK, 0x01); 869157114Sscottl} 870157114Sscottl 871157114Sscottlstatic void 872159811Spsmfi_ldprobe(struct mfi_softc *sc) 873157114Sscottl{ 874159811Sps struct mfi_frame_header *hdr; 875159811Sps struct mfi_command *cm = NULL; 876159811Sps struct mfi_ld_list *list = NULL; 877159811Sps int error, i; 878157114Sscottl 879163398Sscottl mtx_assert(&sc->mfi_io_lock, MA_OWNED); 880163398Sscottl 881159811Sps error = mfi_dcmd_command(sc, &cm, MFI_DCMD_LD_GET_LIST, 882159811Sps (void **)&list, sizeof(*list)); 883159811Sps if (error) 884159811Sps goto out; 885159811Sps 886159811Sps cm->cm_flags = MFI_CMD_DATAIN; 887159811Sps if (mfi_wait_command(sc, cm) != 0) { 888159811Sps device_printf(sc->mfi_dev, "Failed to get device listing\n"); 889159811Sps goto out; 890157114Sscottl } 891157114Sscottl 892157114Sscottl hdr = &cm->cm_frame->header; 893159811Sps if (hdr->cmd_status != MFI_STAT_OK) { 894159811Sps device_printf(sc->mfi_dev, "MFI_DCMD_LD_GET_LIST failed %x\n", 895159811Sps hdr->cmd_status); 896159811Sps goto out; 897157114Sscottl } 898157114Sscottl 899159811Sps for (i = 0; i < list->ld_count; i++) 900163398Sscottl mfi_add_ld(sc, list->ld_list[i].ld.v.target_id); 901159811Spsout: 902159811Sps if (list) 903159811Sps free(list, M_MFIBUF); 904159811Sps if (cm) 905157114Sscottl mfi_release_command(cm); 906163398Sscottl 907159811Sps return; 908157114Sscottl} 909157114Sscottl 910158737Sambriskostatic void 911158737Sambriskomfi_decode_evt(struct mfi_softc *sc, struct mfi_evt_detail *detail) 912158737Sambrisko{ 913158737Sambrisko switch (detail->arg_type) { 914158737Sambrisko case MR_EVT_ARGS_NONE: 915162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - %s\n", 916159574Sambrisko detail->seq, 917162118Sambrisko detail->time, 918162118Sambrisko detail->class.members.locale, 919162118Sambrisko detail->class.members.class, 920159574Sambrisko detail->description 921159574Sambrisko ); 922158737Sambrisko break; 923158737Sambrisko case MR_EVT_ARGS_CDB_SENSE: 924162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - PD %02d(e%d/s%d) CDB %*D" 925159574Sambrisko "Sense %*D\n: %s\n", 926158737Sambrisko detail->seq, 927162118Sambrisko detail->time, 928162118Sambrisko detail->class.members.locale, 929162118Sambrisko detail->class.members.class, 930158737Sambrisko detail->args.cdb_sense.pd.device_id, 931158737Sambrisko detail->args.cdb_sense.pd.enclosure_index, 932158737Sambrisko detail->args.cdb_sense.pd.slot_number, 933158737Sambrisko detail->args.cdb_sense.cdb_len, 934158737Sambrisko detail->args.cdb_sense.cdb, 935158737Sambrisko ":", 936158737Sambrisko detail->args.cdb_sense.sense_len, 937158737Sambrisko detail->args.cdb_sense.sense, 938158737Sambrisko ":", 939158737Sambrisko detail->description 940158737Sambrisko ); 941158737Sambrisko break; 942158737Sambrisko case MR_EVT_ARGS_LD: 943162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - VD %02d/%d " 944158737Sambrisko "event: %s\n", 945158737Sambrisko detail->seq, 946162118Sambrisko detail->time, 947162118Sambrisko detail->class.members.locale, 948162118Sambrisko detail->class.members.class, 949158737Sambrisko detail->args.ld.ld_index, 950158737Sambrisko detail->args.ld.target_id, 951158737Sambrisko detail->description 952158737Sambrisko ); 953158737Sambrisko break; 954158737Sambrisko case MR_EVT_ARGS_LD_COUNT: 955162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - VD %02d/%d " 956158737Sambrisko "count %lld: %s\n", 957158737Sambrisko detail->seq, 958162118Sambrisko detail->time, 959162118Sambrisko detail->class.members.locale, 960162118Sambrisko detail->class.members.class, 961158737Sambrisko detail->args.ld_count.ld.ld_index, 962158737Sambrisko detail->args.ld_count.ld.target_id, 963158737Sambrisko (long long)detail->args.ld_count.count, 964158737Sambrisko detail->description 965158737Sambrisko ); 966158737Sambrisko break; 967158737Sambrisko case MR_EVT_ARGS_LD_LBA: 968162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - VD %02d/%d " 969158737Sambrisko "lba %lld: %s\n", 970158737Sambrisko detail->seq, 971162118Sambrisko detail->time, 972162118Sambrisko detail->class.members.locale, 973162118Sambrisko detail->class.members.class, 974158737Sambrisko detail->args.ld_lba.ld.ld_index, 975158737Sambrisko detail->args.ld_lba.ld.target_id, 976158737Sambrisko (long long)detail->args.ld_lba.lba, 977158737Sambrisko detail->description 978158737Sambrisko ); 979158737Sambrisko break; 980158737Sambrisko case MR_EVT_ARGS_LD_OWNER: 981162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - VD %02d/%d " 982158737Sambrisko "owner changed: prior %d, new %d: %s\n", 983158737Sambrisko detail->seq, 984162118Sambrisko detail->time, 985162118Sambrisko detail->class.members.locale, 986162118Sambrisko detail->class.members.class, 987158737Sambrisko detail->args.ld_owner.ld.ld_index, 988158737Sambrisko detail->args.ld_owner.ld.target_id, 989158737Sambrisko detail->args.ld_owner.pre_owner, 990158737Sambrisko detail->args.ld_owner.new_owner, 991158737Sambrisko detail->description 992158737Sambrisko ); 993158737Sambrisko break; 994158737Sambrisko case MR_EVT_ARGS_LD_LBA_PD_LBA: 995162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - VD %02d/%d " 996158737Sambrisko "lba %lld, physical drive PD %02d(e%d/s%d) lba %lld: %s\n", 997158737Sambrisko detail->seq, 998162118Sambrisko detail->time, 999162118Sambrisko detail->class.members.locale, 1000162118Sambrisko detail->class.members.class, 1001158737Sambrisko detail->args.ld_lba_pd_lba.ld.ld_index, 1002158737Sambrisko detail->args.ld_lba_pd_lba.ld.target_id, 1003158737Sambrisko (long long)detail->args.ld_lba_pd_lba.ld_lba, 1004158737Sambrisko detail->args.ld_lba_pd_lba.pd.device_id, 1005158737Sambrisko detail->args.ld_lba_pd_lba.pd.enclosure_index, 1006158737Sambrisko detail->args.ld_lba_pd_lba.pd.slot_number, 1007158737Sambrisko (long long)detail->args.ld_lba_pd_lba.pd_lba, 1008158737Sambrisko detail->description 1009158737Sambrisko ); 1010158737Sambrisko break; 1011158737Sambrisko case MR_EVT_ARGS_LD_PROG: 1012162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - VD %02d/%d " 1013158737Sambrisko "progress %d%% in %ds: %s\n", 1014158737Sambrisko detail->seq, 1015162118Sambrisko detail->time, 1016162118Sambrisko detail->class.members.locale, 1017162118Sambrisko detail->class.members.class, 1018158737Sambrisko detail->args.ld_prog.ld.ld_index, 1019158737Sambrisko detail->args.ld_prog.ld.target_id, 1020158737Sambrisko detail->args.ld_prog.prog.progress/655, 1021158737Sambrisko detail->args.ld_prog.prog.elapsed_seconds, 1022158737Sambrisko detail->description 1023158737Sambrisko ); 1024158737Sambrisko break; 1025158737Sambrisko case MR_EVT_ARGS_LD_STATE: 1026162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - VD %02d/%d " 1027158737Sambrisko "state prior %d new %d: %s\n", 1028158737Sambrisko detail->seq, 1029162118Sambrisko detail->time, 1030162118Sambrisko detail->class.members.locale, 1031162118Sambrisko detail->class.members.class, 1032158737Sambrisko detail->args.ld_state.ld.ld_index, 1033158737Sambrisko detail->args.ld_state.ld.target_id, 1034158737Sambrisko detail->args.ld_state.prev_state, 1035158737Sambrisko detail->args.ld_state.new_state, 1036158737Sambrisko detail->description 1037158737Sambrisko ); 1038158737Sambrisko break; 1039158737Sambrisko case MR_EVT_ARGS_LD_STRIP: 1040162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - VD %02d/%d " 1041158737Sambrisko "strip %lld: %s\n", 1042158737Sambrisko detail->seq, 1043162118Sambrisko detail->time, 1044162118Sambrisko detail->class.members.locale, 1045162118Sambrisko detail->class.members.class, 1046158737Sambrisko detail->args.ld_strip.ld.ld_index, 1047158737Sambrisko detail->args.ld_strip.ld.target_id, 1048158737Sambrisko (long long)detail->args.ld_strip.strip, 1049158737Sambrisko detail->description 1050158737Sambrisko ); 1051158737Sambrisko break; 1052158737Sambrisko case MR_EVT_ARGS_PD: 1053162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - PD %02d(e%d/s%d) " 1054158737Sambrisko "event: %s\n", 1055158737Sambrisko detail->seq, 1056162118Sambrisko detail->time, 1057162118Sambrisko detail->class.members.locale, 1058162118Sambrisko detail->class.members.class, 1059158737Sambrisko detail->args.pd.device_id, 1060158737Sambrisko detail->args.pd.enclosure_index, 1061158737Sambrisko detail->args.pd.slot_number, 1062158737Sambrisko detail->description 1063158737Sambrisko ); 1064158737Sambrisko break; 1065158737Sambrisko case MR_EVT_ARGS_PD_ERR: 1066162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - PD %02d(e%d/s%d) " 1067158737Sambrisko "err %d: %s\n", 1068158737Sambrisko detail->seq, 1069162118Sambrisko detail->time, 1070162118Sambrisko detail->class.members.locale, 1071162118Sambrisko detail->class.members.class, 1072158737Sambrisko detail->args.pd_err.pd.device_id, 1073158737Sambrisko detail->args.pd_err.pd.enclosure_index, 1074158737Sambrisko detail->args.pd_err.pd.slot_number, 1075158737Sambrisko detail->args.pd_err.err, 1076158737Sambrisko detail->description 1077158737Sambrisko ); 1078158737Sambrisko break; 1079158737Sambrisko case MR_EVT_ARGS_PD_LBA: 1080162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - PD %02d(e%d/s%d) " 1081158737Sambrisko "lba %lld: %s\n", 1082158737Sambrisko detail->seq, 1083162118Sambrisko detail->time, 1084162118Sambrisko detail->class.members.locale, 1085162118Sambrisko detail->class.members.class, 1086158737Sambrisko detail->args.pd_lba.pd.device_id, 1087158737Sambrisko detail->args.pd_lba.pd.enclosure_index, 1088158737Sambrisko detail->args.pd_lba.pd.slot_number, 1089158737Sambrisko (long long)detail->args.pd_lba.lba, 1090158737Sambrisko detail->description 1091158737Sambrisko ); 1092158737Sambrisko break; 1093158737Sambrisko case MR_EVT_ARGS_PD_LBA_LD: 1094162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - PD %02d(e%d/s%d) " 1095158737Sambrisko "lba %lld VD %02d/%d: %s\n", 1096158737Sambrisko detail->seq, 1097162118Sambrisko detail->time, 1098162118Sambrisko detail->class.members.locale, 1099162118Sambrisko detail->class.members.class, 1100158737Sambrisko detail->args.pd_lba_ld.pd.device_id, 1101158737Sambrisko detail->args.pd_lba_ld.pd.enclosure_index, 1102158737Sambrisko detail->args.pd_lba_ld.pd.slot_number, 1103158737Sambrisko (long long)detail->args.pd_lba.lba, 1104158737Sambrisko detail->args.pd_lba_ld.ld.ld_index, 1105158737Sambrisko detail->args.pd_lba_ld.ld.target_id, 1106158737Sambrisko detail->description 1107158737Sambrisko ); 1108158737Sambrisko break; 1109158737Sambrisko case MR_EVT_ARGS_PD_PROG: 1110162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - PD %02d(e%d/s%d) " 1111158737Sambrisko "progress %d%% seconds %ds: %s\n", 1112158737Sambrisko detail->seq, 1113162118Sambrisko detail->time, 1114162118Sambrisko detail->class.members.locale, 1115162118Sambrisko detail->class.members.class, 1116158737Sambrisko detail->args.pd_prog.pd.device_id, 1117158737Sambrisko detail->args.pd_prog.pd.enclosure_index, 1118158737Sambrisko detail->args.pd_prog.pd.slot_number, 1119158737Sambrisko detail->args.pd_prog.prog.progress/655, 1120158737Sambrisko detail->args.pd_prog.prog.elapsed_seconds, 1121158737Sambrisko detail->description 1122158737Sambrisko ); 1123158737Sambrisko break; 1124158737Sambrisko case MR_EVT_ARGS_PD_STATE: 1125162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - PD %02d(e%d/s%d) " 1126158737Sambrisko "state prior %d new %d: %s\n", 1127158737Sambrisko detail->seq, 1128162118Sambrisko detail->time, 1129162118Sambrisko detail->class.members.locale, 1130162118Sambrisko detail->class.members.class, 1131158737Sambrisko detail->args.pd_prog.pd.device_id, 1132158737Sambrisko detail->args.pd_prog.pd.enclosure_index, 1133158737Sambrisko detail->args.pd_prog.pd.slot_number, 1134158737Sambrisko detail->args.pd_state.prev_state, 1135158737Sambrisko detail->args.pd_state.new_state, 1136158737Sambrisko detail->description 1137158737Sambrisko ); 1138158737Sambrisko break; 1139158737Sambrisko case MR_EVT_ARGS_PCI: 1140162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - PCI 0x04%x 0x04%x " 1141158737Sambrisko "0x04%x 0x04%x: %s\n", 1142158737Sambrisko detail->seq, 1143162118Sambrisko detail->time, 1144162118Sambrisko detail->class.members.locale, 1145162118Sambrisko detail->class.members.class, 1146158737Sambrisko detail->args.pci.venderId, 1147158737Sambrisko detail->args.pci.deviceId, 1148158737Sambrisko detail->args.pci.subVenderId, 1149158737Sambrisko detail->args.pci.subDeviceId, 1150158737Sambrisko detail->description 1151158737Sambrisko ); 1152158737Sambrisko break; 1153158737Sambrisko case MR_EVT_ARGS_RATE: 1154162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - Rebuild rate %d: %s\n", 1155158737Sambrisko detail->seq, 1156162118Sambrisko detail->time, 1157162118Sambrisko detail->class.members.locale, 1158162118Sambrisko detail->class.members.class, 1159158737Sambrisko detail->args.rate, 1160158737Sambrisko detail->description 1161158737Sambrisko ); 1162158737Sambrisko break; 1163158737Sambrisko case MR_EVT_ARGS_TIME: 1164162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - Adapter ticks %d " 1165158737Sambrisko "elapsed %ds: %s\n", 1166158737Sambrisko detail->seq, 1167162118Sambrisko detail->time, 1168162118Sambrisko detail->class.members.locale, 1169162118Sambrisko detail->class.members.class, 1170158737Sambrisko detail->args.time.rtc, 1171158737Sambrisko detail->args.time.elapsedSeconds, 1172158737Sambrisko detail->description 1173158737Sambrisko ); 1174158737Sambrisko break; 1175158737Sambrisko case MR_EVT_ARGS_ECC: 1176162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - Adapter ECC %x,%x: %s: %s\n", 1177158737Sambrisko detail->seq, 1178162118Sambrisko detail->time, 1179162118Sambrisko detail->class.members.locale, 1180162118Sambrisko detail->class.members.class, 1181158737Sambrisko detail->args.ecc.ecar, 1182158737Sambrisko detail->args.ecc.elog, 1183158737Sambrisko detail->args.ecc.str, 1184158737Sambrisko detail->description 1185158737Sambrisko ); 1186158737Sambrisko break; 1187158737Sambrisko default: 1188162118Sambrisko device_printf(sc->mfi_dev, "%d (%us/0x%04x/%d) - Type %d: %s\n", 1189158737Sambrisko detail->seq, 1190162118Sambrisko detail->time, 1191162118Sambrisko detail->class.members.locale, 1192162118Sambrisko detail->class.members.class, 1193158737Sambrisko detail->arg_type, detail->description 1194158737Sambrisko ); 1195158737Sambrisko } 1196158737Sambrisko} 1197158737Sambrisko 1198157114Sscottlstatic int 1199158737Sambriskomfi_aen_register(struct mfi_softc *sc, int seq, int locale) 1200158737Sambrisko{ 1201158737Sambrisko struct mfi_command *cm; 1202158737Sambrisko struct mfi_dcmd_frame *dcmd; 1203158737Sambrisko union mfi_evt current_aen, prior_aen; 1204159806Sps struct mfi_evt_detail *ed = NULL; 1205163398Sscottl int error = 0; 1206158737Sambrisko 1207158737Sambrisko current_aen.word = locale; 1208158737Sambrisko if (sc->mfi_aen_cm != NULL) { 1209158737Sambrisko prior_aen.word = 1210158737Sambrisko ((uint32_t *)&sc->mfi_aen_cm->cm_frame->dcmd.mbox)[1]; 1211158737Sambrisko if (prior_aen.members.class <= current_aen.members.class && 1212158737Sambrisko !((prior_aen.members.locale & current_aen.members.locale) 1213158737Sambrisko ^current_aen.members.locale)) { 1214158737Sambrisko return (0); 1215158737Sambrisko } else { 1216158737Sambrisko prior_aen.members.locale |= current_aen.members.locale; 1217158737Sambrisko if (prior_aen.members.class 1218158737Sambrisko < current_aen.members.class) 1219158737Sambrisko current_aen.members.class = 1220158737Sambrisko prior_aen.members.class; 1221158737Sambrisko mfi_abort(sc, sc->mfi_aen_cm); 1222158737Sambrisko } 1223158737Sambrisko } 1224158737Sambrisko 1225159806Sps error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_EVENT_WAIT, 1226159806Sps (void **)&ed, sizeof(*ed)); 1227163398Sscottl if (error) { 1228163398Sscottl goto out; 1229163398Sscottl } 1230158737Sambrisko 1231158737Sambrisko dcmd = &cm->cm_frame->dcmd; 1232158737Sambrisko ((uint32_t *)&dcmd->mbox)[0] = seq; 1233158737Sambrisko ((uint32_t *)&dcmd->mbox)[1] = locale; 1234158737Sambrisko cm->cm_flags = MFI_CMD_DATAIN; 1235158737Sambrisko cm->cm_complete = mfi_aen_complete; 1236158737Sambrisko 1237158737Sambrisko sc->mfi_aen_cm = cm; 1238158737Sambrisko 1239158737Sambrisko mfi_enqueue_ready(cm); 1240158737Sambrisko mfi_startio(sc); 1241158737Sambrisko 1242163398Sscottlout: 1243163398Sscottl return (error); 1244158737Sambrisko} 1245158737Sambrisko 1246158737Sambriskostatic void 1247158737Sambriskomfi_aen_complete(struct mfi_command *cm) 1248158737Sambrisko{ 1249158737Sambrisko struct mfi_frame_header *hdr; 1250158737Sambrisko struct mfi_softc *sc; 1251158737Sambrisko struct mfi_evt_detail *detail; 1252163398Sscottl struct mfi_aen *mfi_aen_entry, *tmp; 1253158737Sambrisko int seq = 0, aborted = 0; 1254158737Sambrisko 1255158737Sambrisko sc = cm->cm_sc; 1256158737Sambrisko hdr = &cm->cm_frame->header; 1257158737Sambrisko 1258158737Sambrisko if (sc->mfi_aen_cm == NULL) 1259158737Sambrisko return; 1260158737Sambrisko 1261158737Sambrisko if (sc->mfi_aen_cm->cm_aen_abort || hdr->cmd_status == 0xff) { 1262158737Sambrisko sc->mfi_aen_cm->cm_aen_abort = 0; 1263158737Sambrisko aborted = 1; 1264158737Sambrisko } else { 1265158737Sambrisko sc->mfi_aen_triggered = 1; 1266163398Sscottl if (sc->mfi_poll_waiting) { 1267163398Sscottl sc->mfi_poll_waiting = 0; 1268158737Sambrisko selwakeup(&sc->mfi_select); 1269163398Sscottl } 1270158737Sambrisko detail = cm->cm_data; 1271163398Sscottl /* 1272163398Sscottl * XXX If this function is too expensive or is recursive, then 1273163398Sscottl * events should be put onto a queue and processed later. 1274163398Sscottl */ 1275158737Sambrisko mtx_unlock(&sc->mfi_io_lock); 1276158737Sambrisko mfi_decode_evt(sc, detail); 1277158737Sambrisko mtx_lock(&sc->mfi_io_lock); 1278158737Sambrisko seq = detail->seq + 1; 1279163398Sscottl TAILQ_FOREACH_SAFE(mfi_aen_entry, &sc->mfi_aen_pids, aen_link, tmp) { 1280158737Sambrisko TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry, 1281158737Sambrisko aen_link); 1282163398Sscottl PROC_LOCK(mfi_aen_entry->p); 1283158737Sambrisko psignal(mfi_aen_entry->p, SIGIO); 1284163398Sscottl PROC_UNLOCK(mfi_aen_entry->p); 1285158737Sambrisko free(mfi_aen_entry, M_MFIBUF); 1286158737Sambrisko } 1287158737Sambrisko } 1288158737Sambrisko 1289158737Sambrisko free(cm->cm_data, M_MFIBUF); 1290158737Sambrisko sc->mfi_aen_cm = NULL; 1291158737Sambrisko wakeup(&sc->mfi_aen_cm); 1292158737Sambrisko mfi_release_command(cm); 1293158737Sambrisko 1294158737Sambrisko /* set it up again so the driver can catch more events */ 1295158737Sambrisko if (!aborted) { 1296158737Sambrisko mfi_aen_setup(sc, seq); 1297158737Sambrisko } 1298158737Sambrisko} 1299158737Sambrisko 1300162118Sambrisko/* Only do one event for now so we can easily iterate through them */ 1301162118Sambrisko#define MAX_EVENTS 1 1302158737Sambriskostatic int 1303158737Sambriskomfi_get_entry(struct mfi_softc *sc, int seq) 1304158737Sambrisko{ 1305158737Sambrisko struct mfi_command *cm; 1306158737Sambrisko struct mfi_dcmd_frame *dcmd; 1307162118Sambrisko struct mfi_evt_list *el; 1308158737Sambrisko int error; 1309162118Sambrisko int i; 1310162118Sambrisko int size; 1311158737Sambrisko 1312158737Sambrisko if ((cm = mfi_dequeue_free(sc)) == NULL) { 1313158737Sambrisko return (EBUSY); 1314158737Sambrisko } 1315158737Sambrisko 1316162118Sambrisko size = sizeof(struct mfi_evt_list) + sizeof(struct mfi_evt_detail) 1317162118Sambrisko * (MAX_EVENTS - 1); 1318162118Sambrisko el = malloc(size, M_MFIBUF, M_NOWAIT | M_ZERO); 1319162118Sambrisko if (el == NULL) { 1320158737Sambrisko mfi_release_command(cm); 1321158737Sambrisko return (ENOMEM); 1322158737Sambrisko } 1323158737Sambrisko 1324158737Sambrisko dcmd = &cm->cm_frame->dcmd; 1325158737Sambrisko bzero(dcmd->mbox, MFI_MBOX_SIZE); 1326158737Sambrisko dcmd->header.cmd = MFI_CMD_DCMD; 1327158737Sambrisko dcmd->header.timeout = 0; 1328162118Sambrisko dcmd->header.data_len = size; 1329158737Sambrisko dcmd->opcode = MFI_DCMD_CTRL_EVENT_GET; 1330158737Sambrisko ((uint32_t *)&dcmd->mbox)[0] = seq; 1331158737Sambrisko ((uint32_t *)&dcmd->mbox)[1] = MFI_EVT_LOCALE_ALL; 1332158737Sambrisko cm->cm_sg = &dcmd->sgl; 1333158737Sambrisko cm->cm_total_frame_size = MFI_DCMD_FRAME_SIZE; 1334158737Sambrisko cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED; 1335162118Sambrisko cm->cm_data = el; 1336162118Sambrisko cm->cm_len = size; 1337158737Sambrisko 1338158737Sambrisko if ((error = mfi_mapcmd(sc, cm)) != 0) { 1339158737Sambrisko device_printf(sc->mfi_dev, "Controller info buffer map failed"); 1340162118Sambrisko free(el, M_MFIBUF); 1341158737Sambrisko mfi_release_command(cm); 1342158737Sambrisko return (error); 1343158737Sambrisko } 1344158737Sambrisko 1345158737Sambrisko if ((error = mfi_polled_command(sc, cm)) != 0) { 1346158737Sambrisko device_printf(sc->mfi_dev, "Failed to get controller entry\n"); 1347162458Sscottl sc->mfi_max_io = (sc->mfi_max_sge - 1) * PAGE_SIZE / 1348158737Sambrisko MFI_SECTOR_LEN; 1349162118Sambrisko free(el, M_MFIBUF); 1350158737Sambrisko mfi_release_command(cm); 1351158737Sambrisko return (0); 1352158737Sambrisko } 1353158737Sambrisko 1354158737Sambrisko bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 1355158737Sambrisko BUS_DMASYNC_POSTREAD); 1356158737Sambrisko bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 1357158737Sambrisko 1358162473Sambrisko if (dcmd->header.cmd_status != MFI_STAT_NOT_FOUND) { 1359162473Sambrisko for (i = 0; i < el->count; i++) { 1360162473Sambrisko if (seq + i == el->event[i].seq) 1361162473Sambrisko mfi_decode_evt(sc, &el->event[i]); 1362162473Sambrisko } 1363162118Sambrisko } 1364158737Sambrisko 1365158737Sambrisko free(cm->cm_data, M_MFIBUF); 1366158737Sambrisko mfi_release_command(cm); 1367158737Sambrisko return (0); 1368158737Sambrisko} 1369158737Sambrisko 1370158737Sambriskostatic int 1371159811Spsmfi_add_ld(struct mfi_softc *sc, int id) 1372157114Sscottl{ 1373157114Sscottl struct mfi_command *cm; 1374159811Sps struct mfi_dcmd_frame *dcmd = NULL; 1375159811Sps struct mfi_ld_info *ld_info = NULL; 1376159811Sps int error; 1377157114Sscottl 1378159811Sps mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1379159811Sps 1380159811Sps error = mfi_dcmd_command(sc, &cm, MFI_DCMD_LD_GET_INFO, 1381159811Sps (void **)&ld_info, sizeof(*ld_info)); 1382159811Sps if (error) { 1383159811Sps device_printf(sc->mfi_dev, 1384159811Sps "Failed to allocate for MFI_DCMD_LD_GET_INFO %d\n", error); 1385159811Sps if (ld_info) 1386159811Sps free(ld_info, M_MFIBUF); 1387159811Sps return (error); 1388157624Sscottl } 1389159811Sps cm->cm_flags = MFI_CMD_DATAIN; 1390159811Sps dcmd = &cm->cm_frame->dcmd; 1391159811Sps dcmd->mbox[0] = id; 1392160052Sambrisko if (mfi_wait_command(sc, cm) != 0) { 1393160052Sambrisko device_printf(sc->mfi_dev, 1394160052Sambrisko "Failed to get logical drive: %d\n", id); 1395160052Sambrisko free(ld_info, M_MFIBUF); 1396160052Sambrisko return (0); 1397160052Sambrisko } 1398159811Sps 1399160052Sambrisko mfi_add_ld_complete(cm); 1400157114Sscottl return (0); 1401157114Sscottl} 1402157114Sscottl 1403157114Sscottlstatic void 1404159811Spsmfi_add_ld_complete(struct mfi_command *cm) 1405157114Sscottl{ 1406157114Sscottl struct mfi_frame_header *hdr; 1407159811Sps struct mfi_ld_info *ld_info; 1408157114Sscottl struct mfi_softc *sc; 1409159811Sps struct mfi_ld *ld; 1410159811Sps device_t child; 1411157114Sscottl 1412157114Sscottl sc = cm->cm_sc; 1413157114Sscottl hdr = &cm->cm_frame->header; 1414159811Sps ld_info = cm->cm_private; 1415157114Sscottl 1416159811Sps if (hdr->cmd_status != MFI_STAT_OK) { 1417159811Sps free(ld_info, M_MFIBUF); 1418157114Sscottl mfi_release_command(cm); 1419157114Sscottl return; 1420157114Sscottl } 1421157114Sscottl mfi_release_command(cm); 1422157114Sscottl 1423157114Sscottl ld = malloc(sizeof(struct mfi_ld), M_MFIBUF, M_NOWAIT|M_ZERO); 1424157114Sscottl if (ld == NULL) { 1425157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate ld\n"); 1426159811Sps free(ld_info, M_MFIBUF); 1427159811Sps return; 1428157114Sscottl } 1429157114Sscottl 1430157114Sscottl if ((child = device_add_child(sc->mfi_dev, "mfid", -1)) == NULL) { 1431157114Sscottl device_printf(sc->mfi_dev, "Failed to add logical disk\n"); 1432157624Sscottl free(ld, M_MFIBUF); 1433159811Sps free(ld_info, M_MFIBUF); 1434159811Sps return; 1435157114Sscottl } 1436157114Sscottl 1437163398Sscottl ld->ld_id = ld_info->ld_config.properties.ld.v.target_id; 1438157114Sscottl ld->ld_disk = child; 1439159811Sps ld->ld_info = ld_info; 1440157114Sscottl 1441157114Sscottl device_set_ivars(child, ld); 1442157114Sscottl device_set_desc(child, "MFI Logical Disk"); 1443157114Sscottl mtx_unlock(&sc->mfi_io_lock); 1444157114Sscottl mtx_lock(&Giant); 1445157114Sscottl bus_generic_attach(sc->mfi_dev); 1446157114Sscottl mtx_unlock(&Giant); 1447157114Sscottl mtx_lock(&sc->mfi_io_lock); 1448157114Sscottl} 1449163399Sscottl 1450157114Sscottlstatic struct mfi_command * 1451157114Sscottlmfi_bio_command(struct mfi_softc *sc) 1452157114Sscottl{ 1453157114Sscottl struct mfi_io_frame *io; 1454157114Sscottl struct mfi_command *cm; 1455157114Sscottl struct bio *bio; 1456158737Sambrisko int flags, blkcount; 1457157114Sscottl 1458157114Sscottl if ((cm = mfi_dequeue_free(sc)) == NULL) 1459157114Sscottl return (NULL); 1460157114Sscottl 1461157114Sscottl if ((bio = mfi_dequeue_bio(sc)) == NULL) { 1462157114Sscottl mfi_release_command(cm); 1463157114Sscottl return (NULL); 1464157114Sscottl } 1465157114Sscottl 1466157114Sscottl io = &cm->cm_frame->io; 1467157114Sscottl switch (bio->bio_cmd & 0x03) { 1468157114Sscottl case BIO_READ: 1469157114Sscottl io->header.cmd = MFI_CMD_LD_READ; 1470157114Sscottl flags = MFI_CMD_DATAIN; 1471157114Sscottl break; 1472157114Sscottl case BIO_WRITE: 1473157114Sscottl io->header.cmd = MFI_CMD_LD_WRITE; 1474157114Sscottl flags = MFI_CMD_DATAOUT; 1475157114Sscottl break; 1476157114Sscottl default: 1477157114Sscottl panic("Invalid bio command"); 1478157114Sscottl } 1479157114Sscottl 1480157114Sscottl /* Cheat with the sector length to avoid a non-constant division */ 1481157114Sscottl blkcount = (bio->bio_bcount + MFI_SECTOR_LEN - 1) / MFI_SECTOR_LEN; 1482157114Sscottl io->header.target_id = (uintptr_t)bio->bio_driver1; 1483157114Sscottl io->header.timeout = 0; 1484157114Sscottl io->header.flags = 0; 1485157114Sscottl io->header.sense_len = MFI_SENSE_LEN; 1486157114Sscottl io->header.data_len = blkcount; 1487157114Sscottl io->sense_addr_lo = cm->cm_sense_busaddr; 1488157114Sscottl io->sense_addr_hi = 0; 1489157114Sscottl io->lba_hi = (bio->bio_pblkno & 0xffffffff00000000) >> 32; 1490157114Sscottl io->lba_lo = bio->bio_pblkno & 0xffffffff; 1491157114Sscottl cm->cm_complete = mfi_bio_complete; 1492157114Sscottl cm->cm_private = bio; 1493157114Sscottl cm->cm_data = bio->bio_data; 1494157114Sscottl cm->cm_len = bio->bio_bcount; 1495157114Sscottl cm->cm_sg = &io->sgl; 1496157114Sscottl cm->cm_total_frame_size = MFI_IO_FRAME_SIZE; 1497157114Sscottl cm->cm_flags = flags; 1498157114Sscottl return (cm); 1499157114Sscottl} 1500157114Sscottl 1501157114Sscottlstatic void 1502157114Sscottlmfi_bio_complete(struct mfi_command *cm) 1503157114Sscottl{ 1504157114Sscottl struct bio *bio; 1505157114Sscottl struct mfi_frame_header *hdr; 1506157114Sscottl struct mfi_softc *sc; 1507157114Sscottl 1508157114Sscottl bio = cm->cm_private; 1509157114Sscottl hdr = &cm->cm_frame->header; 1510157114Sscottl sc = cm->cm_sc; 1511157114Sscottl 1512157114Sscottl if ((hdr->cmd_status != 0) || (hdr->scsi_status != 0)) { 1513157114Sscottl bio->bio_flags |= BIO_ERROR; 1514157114Sscottl bio->bio_error = EIO; 1515157114Sscottl device_printf(sc->mfi_dev, "I/O error, status= %d " 1516157114Sscottl "scsi_status= %d\n", hdr->cmd_status, hdr->scsi_status); 1517157114Sscottl mfi_print_sense(cm->cm_sc, cm->cm_sense); 1518157114Sscottl } 1519157114Sscottl 1520157114Sscottl mfi_release_command(cm); 1521157114Sscottl mfi_disk_complete(bio); 1522157114Sscottl} 1523157114Sscottl 1524157114Sscottlvoid 1525157114Sscottlmfi_startio(struct mfi_softc *sc) 1526157114Sscottl{ 1527157114Sscottl struct mfi_command *cm; 1528157114Sscottl 1529157114Sscottl for (;;) { 1530157114Sscottl /* Don't bother if we're short on resources */ 1531157114Sscottl if (sc->mfi_flags & MFI_FLAGS_QFRZN) 1532157114Sscottl break; 1533157114Sscottl 1534157114Sscottl /* Try a command that has already been prepared */ 1535157114Sscottl cm = mfi_dequeue_ready(sc); 1536157114Sscottl 1537157114Sscottl /* Nope, so look for work on the bioq */ 1538157114Sscottl if (cm == NULL) 1539157114Sscottl cm = mfi_bio_command(sc); 1540157114Sscottl 1541157114Sscottl /* No work available, so exit */ 1542157114Sscottl if (cm == NULL) 1543157114Sscottl break; 1544157114Sscottl 1545157114Sscottl /* Send the command to the controller */ 1546157114Sscottl if (mfi_mapcmd(sc, cm) != 0) { 1547157114Sscottl mfi_requeue_ready(cm); 1548157114Sscottl break; 1549157114Sscottl } 1550157114Sscottl } 1551157114Sscottl} 1552157114Sscottl 1553157114Sscottlstatic int 1554157114Sscottlmfi_mapcmd(struct mfi_softc *sc, struct mfi_command *cm) 1555157114Sscottl{ 1556157114Sscottl int error, polled; 1557157114Sscottl 1558163398Sscottl mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1559163398Sscottl 1560157114Sscottl if (cm->cm_data != NULL) { 1561157114Sscottl polled = (cm->cm_flags & MFI_CMD_POLLED) ? BUS_DMA_NOWAIT : 0; 1562157114Sscottl error = bus_dmamap_load(sc->mfi_buffer_dmat, cm->cm_dmamap, 1563157114Sscottl cm->cm_data, cm->cm_len, mfi_data_cb, cm, polled); 1564157114Sscottl if (error == EINPROGRESS) { 1565157114Sscottl sc->mfi_flags |= MFI_FLAGS_QFRZN; 1566157114Sscottl return (0); 1567157114Sscottl } 1568157114Sscottl } else { 1569162619Sscottl cm->cm_timestamp = time_uptime; 1570157114Sscottl mfi_enqueue_busy(cm); 1571157114Sscottl error = mfi_send_frame(sc, cm); 1572157114Sscottl } 1573157114Sscottl 1574157114Sscottl return (error); 1575157114Sscottl} 1576157114Sscottl 1577157114Sscottlstatic void 1578157114Sscottlmfi_data_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 1579157114Sscottl{ 1580157114Sscottl struct mfi_frame_header *hdr; 1581157114Sscottl struct mfi_command *cm; 1582157237Sscottl union mfi_sgl *sgl; 1583157114Sscottl struct mfi_softc *sc; 1584157114Sscottl int i, dir; 1585157114Sscottl 1586157114Sscottl if (error) 1587157114Sscottl return; 1588157114Sscottl 1589157114Sscottl cm = (struct mfi_command *)arg; 1590157114Sscottl sc = cm->cm_sc; 1591157237Sscottl hdr = &cm->cm_frame->header; 1592157237Sscottl sgl = cm->cm_sg; 1593157114Sscottl 1594157237Sscottl if ((sc->mfi_flags & MFI_FLAGS_SG64) == 0) { 1595157237Sscottl for (i = 0; i < nsegs; i++) { 1596157237Sscottl sgl->sg32[i].addr = segs[i].ds_addr; 1597157237Sscottl sgl->sg32[i].len = segs[i].ds_len; 1598157114Sscottl } 1599157237Sscottl } else { 1600157237Sscottl for (i = 0; i < nsegs; i++) { 1601157237Sscottl sgl->sg64[i].addr = segs[i].ds_addr; 1602157237Sscottl sgl->sg64[i].len = segs[i].ds_len; 1603157237Sscottl } 1604157237Sscottl hdr->flags |= MFI_FRAME_SGL64; 1605157114Sscottl } 1606157114Sscottl hdr->sg_count = nsegs; 1607157114Sscottl 1608157114Sscottl dir = 0; 1609157114Sscottl if (cm->cm_flags & MFI_CMD_DATAIN) { 1610157114Sscottl dir |= BUS_DMASYNC_PREREAD; 1611157114Sscottl hdr->flags |= MFI_FRAME_DIR_READ; 1612157114Sscottl } 1613157114Sscottl if (cm->cm_flags & MFI_CMD_DATAOUT) { 1614157114Sscottl dir |= BUS_DMASYNC_PREWRITE; 1615157114Sscottl hdr->flags |= MFI_FRAME_DIR_WRITE; 1616157114Sscottl } 1617157114Sscottl bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, dir); 1618157114Sscottl cm->cm_flags |= MFI_CMD_MAPPED; 1619157114Sscottl 1620157114Sscottl /* 1621157114Sscottl * Instead of calculating the total number of frames in the 1622157114Sscottl * compound frame, it's already assumed that there will be at 1623157114Sscottl * least 1 frame, so don't compensate for the modulo of the 1624157114Sscottl * following division. 1625157114Sscottl */ 1626162458Sscottl cm->cm_total_frame_size += (sc->mfi_sge_size * nsegs); 1627157114Sscottl cm->cm_extra_frames = (cm->cm_total_frame_size - 1) / MFI_FRAME_SIZE; 1628157114Sscottl 1629157114Sscottl /* The caller will take care of delivering polled commands */ 1630157114Sscottl if ((cm->cm_flags & MFI_CMD_POLLED) == 0) { 1631162619Sscottl cm->cm_timestamp = time_uptime; 1632157114Sscottl mfi_enqueue_busy(cm); 1633157114Sscottl mfi_send_frame(sc, cm); 1634157114Sscottl } 1635157114Sscottl 1636157114Sscottl return; 1637157114Sscottl} 1638157114Sscottl 1639157114Sscottlstatic int 1640157114Sscottlmfi_send_frame(struct mfi_softc *sc, struct mfi_command *cm) 1641157114Sscottl{ 1642157114Sscottl 1643157114Sscottl /* 1644157114Sscottl * The bus address of the command is aligned on a 64 byte boundary, 1645157114Sscottl * leaving the least 6 bits as zero. For whatever reason, the 1646157114Sscottl * hardware wants the address shifted right by three, leaving just 1647162458Sscottl * 3 zero bits. These three bits are then used as a prefetching 1648162458Sscottl * hint for the hardware to predict how many frames need to be 1649162458Sscottl * fetched across the bus. If a command has more than 8 frames 1650162458Sscottl * then the 3 bits are set to 0x7 and the firmware uses other 1651162458Sscottl * information in the command to determine the total amount to fetch. 1652162458Sscottl * However, FreeBSD doesn't support I/O larger than 128K, so 8 frames 1653162458Sscottl * is enough for both 32bit and 64bit systems. 1654157114Sscottl */ 1655162458Sscottl if (cm->cm_extra_frames > 7) 1656162458Sscottl cm->cm_extra_frames = 7; 1657162458Sscottl 1658157114Sscottl MFI_WRITE4(sc, MFI_IQP, (cm->cm_frame_busaddr >> 3) | 1659157114Sscottl cm->cm_extra_frames); 1660157114Sscottl return (0); 1661157114Sscottl} 1662157114Sscottl 1663157114Sscottlstatic void 1664157114Sscottlmfi_complete(struct mfi_softc *sc, struct mfi_command *cm) 1665157114Sscottl{ 1666157114Sscottl int dir; 1667157114Sscottl 1668157114Sscottl if ((cm->cm_flags & MFI_CMD_MAPPED) != 0) { 1669157114Sscottl dir = 0; 1670157114Sscottl if (cm->cm_flags & MFI_CMD_DATAIN) 1671157114Sscottl dir |= BUS_DMASYNC_POSTREAD; 1672157114Sscottl if (cm->cm_flags & MFI_CMD_DATAOUT) 1673157114Sscottl dir |= BUS_DMASYNC_POSTWRITE; 1674157114Sscottl 1675157114Sscottl bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, dir); 1676157114Sscottl bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 1677157114Sscottl cm->cm_flags &= ~MFI_CMD_MAPPED; 1678157114Sscottl } 1679157114Sscottl 1680157114Sscottl if (cm->cm_complete != NULL) 1681157114Sscottl cm->cm_complete(cm); 1682159811Sps else 1683159811Sps wakeup(cm); 1684157114Sscottl} 1685157114Sscottl 1686158737Sambriskostatic int 1687158737Sambriskomfi_abort(struct mfi_softc *sc, struct mfi_command *cm_abort) 1688158737Sambrisko{ 1689158737Sambrisko struct mfi_command *cm; 1690158737Sambrisko struct mfi_abort_frame *abort; 1691158737Sambrisko 1692163398Sscottl mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1693163398Sscottl 1694158737Sambrisko if ((cm = mfi_dequeue_free(sc)) == NULL) { 1695158737Sambrisko return (EBUSY); 1696158737Sambrisko } 1697158737Sambrisko 1698158737Sambrisko abort = &cm->cm_frame->abort; 1699158737Sambrisko abort->header.cmd = MFI_CMD_ABORT; 1700158737Sambrisko abort->header.flags = 0; 1701158737Sambrisko abort->abort_context = cm_abort->cm_frame->header.context; 1702158737Sambrisko abort->abort_mfi_addr_lo = cm_abort->cm_frame_busaddr; 1703158737Sambrisko abort->abort_mfi_addr_hi = 0; 1704158737Sambrisko cm->cm_data = NULL; 1705158737Sambrisko 1706158737Sambrisko sc->mfi_aen_cm->cm_aen_abort = 1; 1707158737Sambrisko mfi_mapcmd(sc, cm); 1708158737Sambrisko mfi_polled_command(sc, cm); 1709158737Sambrisko mfi_release_command(cm); 1710158737Sambrisko 1711158737Sambrisko while (sc->mfi_aen_cm != NULL) { 1712163398Sscottl msleep(&sc->mfi_aen_cm, &sc->mfi_io_lock, 0, "mfiabort", 5 * hz); 1713158737Sambrisko } 1714158737Sambrisko 1715158737Sambrisko return (0); 1716158737Sambrisko} 1717158737Sambrisko 1718157114Sscottlint 1719157114Sscottlmfi_dump_blocks(struct mfi_softc *sc, int id, uint64_t lba, void *virt, int len) 1720157114Sscottl{ 1721157114Sscottl struct mfi_command *cm; 1722157114Sscottl struct mfi_io_frame *io; 1723157114Sscottl int error; 1724157114Sscottl 1725157114Sscottl if ((cm = mfi_dequeue_free(sc)) == NULL) 1726157114Sscottl return (EBUSY); 1727157114Sscottl 1728157114Sscottl io = &cm->cm_frame->io; 1729157114Sscottl io->header.cmd = MFI_CMD_LD_WRITE; 1730157114Sscottl io->header.target_id = id; 1731157114Sscottl io->header.timeout = 0; 1732157114Sscottl io->header.flags = 0; 1733157114Sscottl io->header.sense_len = MFI_SENSE_LEN; 1734157114Sscottl io->header.data_len = (len + MFI_SECTOR_LEN - 1) / MFI_SECTOR_LEN; 1735157114Sscottl io->sense_addr_lo = cm->cm_sense_busaddr; 1736157114Sscottl io->sense_addr_hi = 0; 1737157114Sscottl io->lba_hi = (lba & 0xffffffff00000000) >> 32; 1738157114Sscottl io->lba_lo = lba & 0xffffffff; 1739157114Sscottl cm->cm_data = virt; 1740157114Sscottl cm->cm_len = len; 1741157114Sscottl cm->cm_sg = &io->sgl; 1742157114Sscottl cm->cm_total_frame_size = MFI_IO_FRAME_SIZE; 1743157114Sscottl cm->cm_flags = MFI_CMD_POLLED | MFI_CMD_DATAOUT; 1744157114Sscottl 1745157114Sscottl if ((error = mfi_mapcmd(sc, cm)) != 0) { 1746157114Sscottl mfi_release_command(cm); 1747157114Sscottl return (error); 1748157114Sscottl } 1749157114Sscottl 1750157114Sscottl error = mfi_polled_command(sc, cm); 1751157114Sscottl bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 1752157114Sscottl BUS_DMASYNC_POSTWRITE); 1753157114Sscottl bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 1754157114Sscottl mfi_release_command(cm); 1755157114Sscottl 1756157114Sscottl return (error); 1757157114Sscottl} 1758157114Sscottl 1759157114Sscottlstatic int 1760157114Sscottlmfi_open(struct cdev *dev, int flags, int fmt, d_thread_t *td) 1761157114Sscottl{ 1762157114Sscottl struct mfi_softc *sc; 1763157114Sscottl 1764157114Sscottl sc = dev->si_drv1; 1765163398Sscottl 1766163398Sscottl mtx_lock(&sc->mfi_io_lock); 1767157114Sscottl sc->mfi_flags |= MFI_FLAGS_OPEN; 1768163398Sscottl mtx_unlock(&sc->mfi_io_lock); 1769157114Sscottl 1770157114Sscottl return (0); 1771157114Sscottl} 1772157114Sscottl 1773157114Sscottlstatic int 1774157114Sscottlmfi_close(struct cdev *dev, int flags, int fmt, d_thread_t *td) 1775157114Sscottl{ 1776157114Sscottl struct mfi_softc *sc; 1777163398Sscottl struct mfi_aen *mfi_aen_entry, *tmp; 1778157114Sscottl 1779157114Sscottl sc = dev->si_drv1; 1780163398Sscottl 1781163398Sscottl mtx_lock(&sc->mfi_io_lock); 1782157114Sscottl sc->mfi_flags &= ~MFI_FLAGS_OPEN; 1783157114Sscottl 1784163398Sscottl TAILQ_FOREACH_SAFE(mfi_aen_entry, &sc->mfi_aen_pids, aen_link, tmp) { 1785158737Sambrisko if (mfi_aen_entry->p == curproc) { 1786158737Sambrisko TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry, 1787158737Sambrisko aen_link); 1788158737Sambrisko free(mfi_aen_entry, M_MFIBUF); 1789158737Sambrisko } 1790158737Sambrisko } 1791163398Sscottl mtx_unlock(&sc->mfi_io_lock); 1792157114Sscottl return (0); 1793157114Sscottl} 1794157114Sscottl 1795157114Sscottlstatic int 1796157114Sscottlmfi_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, d_thread_t *td) 1797157114Sscottl{ 1798157114Sscottl struct mfi_softc *sc; 1799157114Sscottl union mfi_statrequest *ms; 1800157114Sscottl int error; 1801157114Sscottl 1802157114Sscottl sc = dev->si_drv1; 1803157114Sscottl error = 0; 1804157114Sscottl 1805157114Sscottl switch (cmd) { 1806157114Sscottl case MFIIO_STATS: 1807157114Sscottl ms = (union mfi_statrequest *)arg; 1808157114Sscottl switch (ms->ms_item) { 1809157114Sscottl case MFIQ_FREE: 1810157114Sscottl case MFIQ_BIO: 1811157114Sscottl case MFIQ_READY: 1812157114Sscottl case MFIQ_BUSY: 1813157114Sscottl bcopy(&sc->mfi_qstat[ms->ms_item], &ms->ms_qstat, 1814157114Sscottl sizeof(struct mfi_qstat)); 1815157114Sscottl break; 1816157114Sscottl default: 1817158737Sambrisko error = ENOIOCTL; 1818157114Sscottl break; 1819157114Sscottl } 1820157114Sscottl break; 1821158737Sambrisko case 0xc1144d01: /* Firmware Linux ioctl shim */ 1822158737Sambrisko { 1823158737Sambrisko devclass_t devclass; 1824158737Sambrisko struct mfi_linux_ioc_packet l_ioc; 1825158737Sambrisko int adapter; 1826158737Sambrisko 1827158737Sambrisko devclass = devclass_find("mfi"); 1828158737Sambrisko if (devclass == NULL) 1829158737Sambrisko return (ENOENT); 1830158737Sambrisko 1831158737Sambrisko error = copyin(arg, &l_ioc, sizeof(l_ioc)); 1832158737Sambrisko if (error) 1833158737Sambrisko return (error); 1834158737Sambrisko adapter = l_ioc.lioc_adapter_no; 1835158737Sambrisko sc = devclass_get_softc(devclass, adapter); 1836158737Sambrisko if (sc == NULL) 1837158737Sambrisko return (ENOENT); 1838158737Sambrisko return (mfi_linux_ioctl_int(sc->mfi_cdev, 1839158737Sambrisko cmd, arg, flag, td)); 1840158737Sambrisko break; 1841158737Sambrisko } 1842158737Sambrisko case 0x400c4d03: /* AEN Linux ioctl shim */ 1843158737Sambrisko { 1844158737Sambrisko devclass_t devclass; 1845158737Sambrisko struct mfi_linux_ioc_aen l_aen; 1846158737Sambrisko int adapter; 1847158737Sambrisko 1848158737Sambrisko devclass = devclass_find("mfi"); 1849158737Sambrisko if (devclass == NULL) 1850158737Sambrisko return (ENOENT); 1851158737Sambrisko 1852158737Sambrisko error = copyin(arg, &l_aen, sizeof(l_aen)); 1853158737Sambrisko if (error) 1854158737Sambrisko return (error); 1855158737Sambrisko adapter = l_aen.laen_adapter_no; 1856158737Sambrisko sc = devclass_get_softc(devclass, adapter); 1857158737Sambrisko if (sc == NULL) 1858158737Sambrisko return (ENOENT); 1859158737Sambrisko return (mfi_linux_ioctl_int(sc->mfi_cdev, 1860158737Sambrisko cmd, arg, flag, td)); 1861158737Sambrisko break; 1862158737Sambrisko } 1863157114Sscottl default: 1864163398Sscottl device_printf(sc->mfi_dev, "IOCTL 0x%lx not handled\n", cmd); 1865157114Sscottl error = ENOENT; 1866157114Sscottl break; 1867157114Sscottl } 1868157114Sscottl 1869157114Sscottl return (error); 1870157114Sscottl} 1871158737Sambrisko 1872158737Sambriskostatic int 1873158737Sambriskomfi_linux_ioctl_int(struct cdev *dev, u_long cmd, caddr_t arg, int flag, d_thread_t *td) 1874158737Sambrisko{ 1875158737Sambrisko struct mfi_softc *sc; 1876158737Sambrisko struct mfi_linux_ioc_packet l_ioc; 1877158737Sambrisko struct mfi_linux_ioc_aen l_aen; 1878158737Sambrisko struct mfi_command *cm = NULL; 1879158737Sambrisko struct mfi_aen *mfi_aen_entry; 1880158737Sambrisko uint32_t *sense_ptr; 1881158737Sambrisko uint32_t context; 1882158737Sambrisko uint8_t *data = NULL, *temp; 1883158737Sambrisko int i; 1884158737Sambrisko int error; 1885158737Sambrisko 1886158737Sambrisko sc = dev->si_drv1; 1887158737Sambrisko error = 0; 1888158737Sambrisko switch (cmd) { 1889158737Sambrisko case 0xc1144d01: /* Firmware Linux ioctl shim */ 1890158737Sambrisko error = copyin(arg, &l_ioc, sizeof(l_ioc)); 1891158737Sambrisko if (error != 0) 1892158737Sambrisko return (error); 1893158737Sambrisko 1894158737Sambrisko if (l_ioc.lioc_sge_count > MAX_LINUX_IOCTL_SGE) { 1895158737Sambrisko return (EINVAL); 1896158737Sambrisko } 1897158737Sambrisko 1898158737Sambrisko mtx_lock(&sc->mfi_io_lock); 1899158737Sambrisko if ((cm = mfi_dequeue_free(sc)) == NULL) { 1900158737Sambrisko mtx_unlock(&sc->mfi_io_lock); 1901158737Sambrisko return (EBUSY); 1902158737Sambrisko } 1903158737Sambrisko mtx_unlock(&sc->mfi_io_lock); 1904158737Sambrisko 1905158737Sambrisko /* 1906158737Sambrisko * save off original context since copying from user 1907158737Sambrisko * will clobber some data 1908158737Sambrisko */ 1909158737Sambrisko context = cm->cm_frame->header.context; 1910158737Sambrisko 1911158737Sambrisko bcopy(l_ioc.lioc_frame.raw, cm->cm_frame, 1912158737Sambrisko l_ioc.lioc_sgl_off); /* Linux can do 2 frames ? */ 1913158737Sambrisko cm->cm_total_frame_size = l_ioc.lioc_sgl_off; 1914158737Sambrisko cm->cm_sg = 1915158737Sambrisko (union mfi_sgl *)&cm->cm_frame->bytes[l_ioc.lioc_sgl_off]; 1916158737Sambrisko cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_DATAOUT 1917158737Sambrisko | MFI_CMD_POLLED; 1918158737Sambrisko cm->cm_len = cm->cm_frame->header.data_len; 1919158737Sambrisko cm->cm_data = data = malloc(cm->cm_len, M_MFIBUF, 1920158737Sambrisko M_WAITOK | M_ZERO); 1921158737Sambrisko 1922158737Sambrisko /* restore header context */ 1923158737Sambrisko cm->cm_frame->header.context = context; 1924158737Sambrisko 1925158737Sambrisko temp = data; 1926158737Sambrisko for (i = 0; i < l_ioc.lioc_sge_count; i++) { 1927158737Sambrisko error = copyin(l_ioc.lioc_sgl[i].iov_base, 1928158737Sambrisko temp, 1929158737Sambrisko l_ioc.lioc_sgl[i].iov_len); 1930158737Sambrisko if (error != 0) { 1931158737Sambrisko device_printf(sc->mfi_dev, 1932158737Sambrisko "Copy in failed"); 1933158737Sambrisko goto out; 1934158737Sambrisko } 1935158737Sambrisko temp = &temp[l_ioc.lioc_sgl[i].iov_len]; 1936158737Sambrisko } 1937158737Sambrisko 1938158737Sambrisko if (l_ioc.lioc_sense_len) { 1939158737Sambrisko sense_ptr = 1940158737Sambrisko (void *)&cm->cm_frame->bytes[l_ioc.lioc_sense_off]; 1941158737Sambrisko *sense_ptr = cm->cm_sense_busaddr; 1942158737Sambrisko } 1943158737Sambrisko 1944163398Sscottl mtx_lock(&sc->mfi_io_lock); 1945158737Sambrisko if ((error = mfi_mapcmd(sc, cm)) != 0) { 1946158737Sambrisko device_printf(sc->mfi_dev, 1947158737Sambrisko "Controller info buffer map failed"); 1948163398Sscottl mtx_unlock(&sc->mfi_io_lock); 1949158737Sambrisko goto out; 1950158737Sambrisko } 1951158737Sambrisko 1952158737Sambrisko if ((error = mfi_polled_command(sc, cm)) != 0) { 1953158737Sambrisko device_printf(sc->mfi_dev, 1954158737Sambrisko "Controller polled failed"); 1955163398Sscottl mtx_unlock(&sc->mfi_io_lock); 1956158737Sambrisko goto out; 1957158737Sambrisko } 1958158737Sambrisko 1959158737Sambrisko bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 1960158737Sambrisko BUS_DMASYNC_POSTREAD); 1961158737Sambrisko bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 1962163398Sscottl mtx_unlock(&sc->mfi_io_lock); 1963158737Sambrisko 1964158737Sambrisko temp = data; 1965158737Sambrisko for (i = 0; i < l_ioc.lioc_sge_count; i++) { 1966158737Sambrisko error = copyout(temp, 1967158737Sambrisko l_ioc.lioc_sgl[i].iov_base, 1968158737Sambrisko l_ioc.lioc_sgl[i].iov_len); 1969158737Sambrisko if (error != 0) { 1970158737Sambrisko device_printf(sc->mfi_dev, 1971158737Sambrisko "Copy out failed"); 1972158737Sambrisko goto out; 1973158737Sambrisko } 1974158737Sambrisko temp = &temp[l_ioc.lioc_sgl[i].iov_len]; 1975158737Sambrisko } 1976158737Sambrisko 1977158737Sambrisko if (l_ioc.lioc_sense_len) { 1978158737Sambrisko /* copy out sense */ 1979158737Sambrisko sense_ptr = (void *) 1980158737Sambrisko &l_ioc.lioc_frame.raw[l_ioc.lioc_sense_off]; 1981158737Sambrisko temp = 0; 1982158737Sambrisko temp += cm->cm_sense_busaddr; 1983158737Sambrisko error = copyout(temp, sense_ptr, 1984158737Sambrisko l_ioc.lioc_sense_len); 1985158737Sambrisko if (error != 0) { 1986158737Sambrisko device_printf(sc->mfi_dev, 1987158737Sambrisko "Copy out failed"); 1988158737Sambrisko goto out; 1989158737Sambrisko } 1990158737Sambrisko } 1991158737Sambrisko 1992158737Sambrisko error = copyout(&cm->cm_frame->header.cmd_status, 1993158737Sambrisko &((struct mfi_linux_ioc_packet*)arg) 1994158737Sambrisko ->lioc_frame.hdr.cmd_status, 1995158737Sambrisko 1); 1996158737Sambrisko if (error != 0) { 1997158737Sambrisko device_printf(sc->mfi_dev, 1998158737Sambrisko "Copy out failed"); 1999158737Sambrisko goto out; 2000158737Sambrisko } 2001158737Sambrisko 2002163398Sscottl if (cm->cm_frame->header.cmd_status == MFI_STAT_OK) { 2003163398Sscottl switch (cm->cm_frame->dcmd.opcode) { 2004163398Sscottl case MFI_DCMD_CFG_CLEAR: 2005163398Sscottl case MFI_DCMD_CFG_ADD: 2006163398Sscottl /* mfi_ldrescan(sc); */ 2007163398Sscottl break; 2008163398Sscottl } 2009163398Sscottl } 2010158737Sambriskoout: 2011158737Sambrisko if (data) 2012158737Sambrisko free(data, M_MFIBUF); 2013158737Sambrisko if (cm) { 2014158737Sambrisko mtx_lock(&sc->mfi_io_lock); 2015158737Sambrisko mfi_release_command(cm); 2016158737Sambrisko mtx_unlock(&sc->mfi_io_lock); 2017158737Sambrisko } 2018158737Sambrisko 2019158737Sambrisko return (error); 2020158737Sambrisko case 0x400c4d03: /* AEN Linux ioctl shim */ 2021158737Sambrisko error = copyin(arg, &l_aen, sizeof(l_aen)); 2022158737Sambrisko if (error != 0) 2023158737Sambrisko return (error); 2024158737Sambrisko printf("AEN IMPLEMENTED for pid %d\n", curproc->p_pid); 2025158737Sambrisko mfi_aen_entry = malloc(sizeof(struct mfi_aen), M_MFIBUF, 2026158737Sambrisko M_WAITOK); 2027163398Sscottl mtx_lock(&sc->mfi_io_lock); 2028158737Sambrisko if (mfi_aen_entry != NULL) { 2029158737Sambrisko mfi_aen_entry->p = curproc; 2030158737Sambrisko TAILQ_INSERT_TAIL(&sc->mfi_aen_pids, mfi_aen_entry, 2031158737Sambrisko aen_link); 2032158737Sambrisko } 2033158737Sambrisko error = mfi_aen_register(sc, l_aen.laen_seq_num, 2034158737Sambrisko l_aen.laen_class_locale); 2035158737Sambrisko 2036158737Sambrisko if (error != 0) { 2037158737Sambrisko TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry, 2038158737Sambrisko aen_link); 2039158737Sambrisko free(mfi_aen_entry, M_MFIBUF); 2040158737Sambrisko } 2041163398Sscottl mtx_unlock(&sc->mfi_io_lock); 2042158737Sambrisko 2043158737Sambrisko return (error); 2044158737Sambrisko default: 2045158737Sambrisko device_printf(sc->mfi_dev, "IOCTL 0x%lx not handled\n", cmd); 2046158737Sambrisko error = ENOENT; 2047158737Sambrisko break; 2048158737Sambrisko } 2049158737Sambrisko 2050158737Sambrisko return (error); 2051158737Sambrisko} 2052158737Sambrisko 2053158737Sambriskostatic int 2054158737Sambriskomfi_poll(struct cdev *dev, int poll_events, struct thread *td) 2055158737Sambrisko{ 2056158737Sambrisko struct mfi_softc *sc; 2057158737Sambrisko int revents = 0; 2058158737Sambrisko 2059158737Sambrisko sc = dev->si_drv1; 2060158737Sambrisko 2061158737Sambrisko if (poll_events & (POLLIN | POLLRDNORM)) { 2062163398Sscottl if (sc->mfi_aen_triggered != 0) { 2063158737Sambrisko revents |= poll_events & (POLLIN | POLLRDNORM); 2064163398Sscottl sc->mfi_aen_triggered = 0; 2065163398Sscottl } 2066158737Sambrisko if (sc->mfi_aen_triggered == 0 && sc->mfi_aen_cm == NULL) { 2067158737Sambrisko revents |= POLLERR; 2068158737Sambrisko } 2069158737Sambrisko } 2070158737Sambrisko 2071158737Sambrisko if (revents == 0) { 2072158737Sambrisko if (poll_events & (POLLIN | POLLRDNORM)) { 2073158737Sambrisko sc->mfi_poll_waiting = 1; 2074158737Sambrisko selrecord(td, &sc->mfi_select); 2075158737Sambrisko } 2076158737Sambrisko } 2077158737Sambrisko 2078158737Sambrisko return revents; 2079158737Sambrisko} 2080162619Sscottl 2081163398Sscottl 2082162619Sscottlstatic void 2083163398Sscottlmfi_dump_all(void) 2084163398Sscottl{ 2085163398Sscottl struct mfi_softc *sc; 2086163398Sscottl struct mfi_command *cm; 2087163398Sscottl devclass_t dc; 2088163398Sscottl time_t deadline; 2089163398Sscottl int timedout; 2090163398Sscottl int i; 2091163398Sscottl 2092163398Sscottl dc = devclass_find("mfi"); 2093163398Sscottl if (dc == NULL) { 2094163398Sscottl printf("No mfi dev class\n"); 2095163398Sscottl return; 2096163398Sscottl } 2097163398Sscottl 2098163398Sscottl for (i = 0; ; i++) { 2099163398Sscottl sc = devclass_get_softc(dc, i); 2100163398Sscottl if (sc == NULL) 2101163398Sscottl break; 2102163398Sscottl device_printf(sc->mfi_dev, "Dumping\n\n"); 2103163398Sscottl timedout = 0; 2104163398Sscottl deadline = time_uptime - MFI_CMD_TIMEOUT; 2105163398Sscottl mtx_lock(&sc->mfi_io_lock); 2106163398Sscottl TAILQ_FOREACH(cm, &sc->mfi_busy, cm_link) { 2107163398Sscottl if (cm->cm_timestamp < deadline) { 2108163398Sscottl device_printf(sc->mfi_dev, 2109163398Sscottl "COMMAND %p TIMEOUT AFTER %d SECONDS\n", cm, 2110163398Sscottl (int)(time_uptime - cm->cm_timestamp)); 2111163398Sscottl MFI_PRINT_CMD(cm); 2112163398Sscottl timedout++; 2113163398Sscottl } 2114163398Sscottl } 2115163398Sscottl 2116163398Sscottl#if 0 2117163398Sscottl if (timedout) 2118163398Sscottl MFI_DUMP_CMDS(SC); 2119163398Sscottl#endif 2120163398Sscottl 2121163398Sscottl mtx_unlock(&sc->mfi_io_lock); 2122163398Sscottl } 2123163398Sscottl 2124163398Sscottl return; 2125163398Sscottl} 2126163398Sscottl 2127163398Sscottlstatic void 2128162619Sscottlmfi_timeout(void *data) 2129162619Sscottl{ 2130162619Sscottl struct mfi_softc *sc = (struct mfi_softc *)data; 2131162619Sscottl struct mfi_command *cm; 2132162619Sscottl time_t deadline; 2133162619Sscottl int timedout = 0; 2134162619Sscottl 2135162619Sscottl deadline = time_uptime - MFI_CMD_TIMEOUT; 2136162619Sscottl mtx_lock(&sc->mfi_io_lock); 2137162619Sscottl TAILQ_FOREACH(cm, &sc->mfi_busy, cm_link) { 2138162688Sscottl if (sc->mfi_aen_cm == cm) 2139162688Sscottl continue; 2140163398Sscottl if ((sc->mfi_aen_cm != cm) && (cm->cm_timestamp < deadline)) { 2141162619Sscottl device_printf(sc->mfi_dev, 2142162619Sscottl "COMMAND %p TIMEOUT AFTER %d SECONDS\n", cm, 2143162619Sscottl (int)(time_uptime - cm->cm_timestamp)); 2144162619Sscottl MFI_PRINT_CMD(cm); 2145163398Sscottl MFI_VALIDATE_CMD(sc, cm); 2146162619Sscottl timedout++; 2147162619Sscottl } 2148162619Sscottl } 2149162619Sscottl 2150162619Sscottl#if 0 2151162619Sscottl if (timedout) 2152162619Sscottl MFI_DUMP_CMDS(SC); 2153162619Sscottl#endif 2154162619Sscottl 2155162619Sscottl mtx_unlock(&sc->mfi_io_lock); 2156162619Sscottl 2157162619Sscottl callout_reset(&sc->mfi_watchdog_callout, MFI_CMD_TIMEOUT * hz, 2158162619Sscottl mfi_timeout, sc); 2159162619Sscottl 2160163398Sscottl if (0) 2161163398Sscottl mfi_dump_all(); 2162162619Sscottl return; 2163162619Sscottl} 2164