mfi.c revision 224041
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 */ 26171980Sscottl/*- 27171980Sscottl * Copyright (c) 2007 LSI Corp. 28171980Sscottl * Copyright (c) 2007 Rajesh Prabhakaran. 29171980Sscottl * All rights reserved. 30171980Sscottl * 31171980Sscottl * Redistribution and use in source and binary forms, with or without 32171980Sscottl * modification, are permitted provided that the following conditions 33171980Sscottl * are met: 34171980Sscottl * 1. Redistributions of source code must retain the above copyright 35171980Sscottl * notice, this list of conditions and the following disclaimer. 36171980Sscottl * 2. Redistributions in binary form must reproduce the above copyright 37171980Sscottl * notice, this list of conditions and the following disclaimer in the 38171980Sscottl * documentation and/or other materials provided with the distribution. 39171980Sscottl * 40171980Sscottl * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 41171980Sscottl * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42171980Sscottl * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 43171980Sscottl * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 44171980Sscottl * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 45171980Sscottl * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 46171980Sscottl * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47171980Sscottl * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 48171980Sscottl * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 49171980Sscottl * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 50171980Sscottl * SUCH DAMAGE. 51171980Sscottl */ 52157114Sscottl 53157114Sscottl#include <sys/cdefs.h> 54157114Sscottl__FBSDID("$FreeBSD: head/sys/dev/mfi/mfi.c 224041 2011-07-14 20:20:33Z jhb $"); 55157114Sscottl 56157114Sscottl#include "opt_mfi.h" 57157114Sscottl 58157114Sscottl#include <sys/param.h> 59157114Sscottl#include <sys/systm.h> 60162118Sambrisko#include <sys/sysctl.h> 61157114Sscottl#include <sys/malloc.h> 62157114Sscottl#include <sys/kernel.h> 63158737Sambrisko#include <sys/poll.h> 64158737Sambrisko#include <sys/selinfo.h> 65157114Sscottl#include <sys/bus.h> 66157114Sscottl#include <sys/conf.h> 67157114Sscottl#include <sys/eventhandler.h> 68157114Sscottl#include <sys/rman.h> 69157114Sscottl#include <sys/bus_dma.h> 70157114Sscottl#include <sys/bio.h> 71157114Sscottl#include <sys/ioccom.h> 72158737Sambrisko#include <sys/uio.h> 73158737Sambrisko#include <sys/proc.h> 74163398Sscottl#include <sys/signalvar.h> 75157114Sscottl 76157114Sscottl#include <machine/bus.h> 77157114Sscottl#include <machine/resource.h> 78157114Sscottl 79157114Sscottl#include <dev/mfi/mfireg.h> 80157114Sscottl#include <dev/mfi/mfi_ioctl.h> 81157114Sscottl#include <dev/mfi/mfivar.h> 82157114Sscottl 83157114Sscottlstatic int mfi_alloc_commands(struct mfi_softc *); 84157114Sscottlstatic int mfi_comms_init(struct mfi_softc *); 85159811Spsstatic int mfi_wait_command(struct mfi_softc *, struct mfi_command *); 86157114Sscottlstatic int mfi_get_controller_info(struct mfi_softc *); 87158737Sambriskostatic int mfi_get_log_state(struct mfi_softc *, 88159806Sps struct mfi_evt_log_state **); 89180037Sjhbstatic int mfi_parse_entries(struct mfi_softc *, int, int); 90159806Spsstatic int mfi_dcmd_command(struct mfi_softc *, struct mfi_command **, 91159806Sps uint32_t, void **, size_t); 92157114Sscottlstatic void mfi_data_cb(void *, bus_dma_segment_t *, int, int); 93157114Sscottlstatic void mfi_startup(void *arg); 94157114Sscottlstatic void mfi_intr(void *arg); 95159811Spsstatic void mfi_ldprobe(struct mfi_softc *sc); 96158737Sambriskostatic int mfi_aen_register(struct mfi_softc *sc, int seq, int locale); 97158737Sambriskostatic void mfi_aen_complete(struct mfi_command *); 98158737Sambriskostatic int mfi_aen_setup(struct mfi_softc *, uint32_t); 99159811Spsstatic int mfi_add_ld(struct mfi_softc *sc, int); 100159811Spsstatic void mfi_add_ld_complete(struct mfi_command *); 101157114Sscottlstatic struct mfi_command * mfi_bio_command(struct mfi_softc *); 102157114Sscottlstatic void mfi_bio_complete(struct mfi_command *); 103157114Sscottlstatic int mfi_mapcmd(struct mfi_softc *, struct mfi_command *); 104157114Sscottlstatic int mfi_send_frame(struct mfi_softc *, struct mfi_command *); 105157114Sscottlstatic void mfi_complete(struct mfi_softc *, struct mfi_command *); 106158737Sambriskostatic int mfi_abort(struct mfi_softc *, struct mfi_command *); 107192450Simpstatic int mfi_linux_ioctl_int(struct cdev *, u_long, caddr_t, int, struct thread *); 108162619Sscottlstatic void mfi_timeout(void *); 109178968Sscottlstatic int mfi_user_command(struct mfi_softc *, 110178968Sscottl struct mfi_ioc_passthru *); 111171980Sscottlstatic void mfi_enable_intr_xscale(struct mfi_softc *sc); 112171980Sscottlstatic void mfi_enable_intr_ppc(struct mfi_softc *sc); 113171980Sscottlstatic int32_t mfi_read_fw_status_xscale(struct mfi_softc *sc); 114171980Sscottlstatic int32_t mfi_read_fw_status_ppc(struct mfi_softc *sc); 115171980Sscottlstatic int mfi_check_clear_intr_xscale(struct mfi_softc *sc); 116171980Sscottlstatic int mfi_check_clear_intr_ppc(struct mfi_softc *sc); 117171980Sscottlstatic void mfi_issue_cmd_xscale(struct mfi_softc *sc,uint32_t bus_add,uint32_t frame_cnt); 118171980Sscottlstatic void mfi_issue_cmd_ppc(struct mfi_softc *sc,uint32_t bus_add,uint32_t frame_cnt); 119157114Sscottl 120162118SambriskoSYSCTL_NODE(_hw, OID_AUTO, mfi, CTLFLAG_RD, 0, "MFI driver parameters"); 121162118Sambriskostatic int mfi_event_locale = MFI_EVT_LOCALE_ALL; 122162473SambriskoTUNABLE_INT("hw.mfi.event_locale", &mfi_event_locale); 123162118SambriskoSYSCTL_INT(_hw_mfi, OID_AUTO, event_locale, CTLFLAG_RW, &mfi_event_locale, 124162118Sambrisko 0, "event message locale"); 125162473Sambrisko 126165852Sscottlstatic int mfi_event_class = MFI_EVT_CLASS_INFO; 127162473SambriskoTUNABLE_INT("hw.mfi.event_class", &mfi_event_class); 128162118SambriskoSYSCTL_INT(_hw_mfi, OID_AUTO, event_class, CTLFLAG_RW, &mfi_event_class, 129162118Sambrisko 0, "event message class"); 130162118Sambrisko 131178968Sscottlstatic int mfi_max_cmds = 128; 132178968SscottlTUNABLE_INT("hw.mfi.max_cmds", &mfi_max_cmds); 133178968SscottlSYSCTL_INT(_hw_mfi, OID_AUTO, max_cmds, CTLFLAG_RD, &mfi_max_cmds, 134178968Sscottl 0, "Max commands"); 135178968Sscottl 136157114Sscottl/* Management interface */ 137157114Sscottlstatic d_open_t mfi_open; 138157114Sscottlstatic d_close_t mfi_close; 139157114Sscottlstatic d_ioctl_t mfi_ioctl; 140158737Sambriskostatic d_poll_t mfi_poll; 141157114Sscottl 142157114Sscottlstatic struct cdevsw mfi_cdevsw = { 143157114Sscottl .d_version = D_VERSION, 144157114Sscottl .d_flags = 0, 145157114Sscottl .d_open = mfi_open, 146157114Sscottl .d_close = mfi_close, 147157114Sscottl .d_ioctl = mfi_ioctl, 148158737Sambrisko .d_poll = mfi_poll, 149157114Sscottl .d_name = "mfi", 150157114Sscottl}; 151157114Sscottl 152157114SscottlMALLOC_DEFINE(M_MFIBUF, "mfibuf", "Buffers for the MFI driver"); 153157114Sscottl 154158737Sambrisko#define MFI_INQ_LENGTH SHORT_INQUIRY_LENGTH 155157114Sscottl 156171980Sscottlstatic void 157171980Sscottlmfi_enable_intr_xscale(struct mfi_softc *sc) 158171980Sscottl{ 159171980Sscottl MFI_WRITE4(sc, MFI_OMSK, 0x01); 160171980Sscottl} 161171980Sscottl 162171980Sscottlstatic void 163171980Sscottlmfi_enable_intr_ppc(struct mfi_softc *sc) 164171980Sscottl{ 165171980Sscottl MFI_WRITE4(sc, MFI_ODCR0, 0xFFFFFFFF); 166184897Sambrisko if (sc->mfi_flags & MFI_FLAGS_1078) { 167184897Sambrisko MFI_WRITE4(sc, MFI_OMSK, ~MFI_1078_EIM); 168184897Sambrisko } else if (sc->mfi_flags & MFI_FLAGS_GEN2) { 169184897Sambrisko MFI_WRITE4(sc, MFI_OMSK, ~MFI_GEN2_EIM); 170184897Sambrisko } 171171980Sscottl} 172171980Sscottl 173171980Sscottlstatic int32_t 174171980Sscottlmfi_read_fw_status_xscale(struct mfi_softc *sc) 175171980Sscottl{ 176171980Sscottl return MFI_READ4(sc, MFI_OMSG0); 177171980Sscottl} 178184897Sambrisko 179171980Sscottlstatic int32_t 180171980Sscottlmfi_read_fw_status_ppc(struct mfi_softc *sc) 181171980Sscottl{ 182171980Sscottl return MFI_READ4(sc, MFI_OSP0); 183171980Sscottl} 184171980Sscottl 185184897Sambriskostatic int 186171980Sscottlmfi_check_clear_intr_xscale(struct mfi_softc *sc) 187171980Sscottl{ 188171980Sscottl int32_t status; 189171980Sscottl 190171980Sscottl status = MFI_READ4(sc, MFI_OSTS); 191171980Sscottl if ((status & MFI_OSTS_INTR_VALID) == 0) 192171980Sscottl return 1; 193171980Sscottl 194171980Sscottl MFI_WRITE4(sc, MFI_OSTS, status); 195171980Sscottl return 0; 196182085Simp} 197171980Sscottl 198184897Sambriskostatic int 199171980Sscottlmfi_check_clear_intr_ppc(struct mfi_softc *sc) 200171980Sscottl{ 201171980Sscottl int32_t status; 202171980Sscottl 203171980Sscottl status = MFI_READ4(sc, MFI_OSTS); 204184897Sambrisko if (sc->mfi_flags & MFI_FLAGS_1078) { 205184897Sambrisko if (!(status & MFI_1078_RM)) { 206184897Sambrisko return 1; 207184897Sambrisko } 208184897Sambrisko } else if (sc->mfi_flags & MFI_FLAGS_GEN2) { 209184897Sambrisko if (!(status & MFI_GEN2_RM)) { 210184897Sambrisko return 1; 211184897Sambrisko } 212184897Sambrisko } 213171980Sscottl 214171980Sscottl MFI_WRITE4(sc, MFI_ODCR0, status); 215171980Sscottl return 0; 216182085Simp} 217171980Sscottl 218184897Sambriskostatic void 219171980Sscottlmfi_issue_cmd_xscale(struct mfi_softc *sc,uint32_t bus_add,uint32_t frame_cnt) 220171980Sscottl{ 221171980Sscottl MFI_WRITE4(sc, MFI_IQP,(bus_add >>3)|frame_cnt); 222171980Sscottl} 223184897Sambrisko 224184897Sambriskostatic void 225171980Sscottlmfi_issue_cmd_ppc(struct mfi_softc *sc,uint32_t bus_add,uint32_t frame_cnt) 226171980Sscottl{ 227171980Sscottl MFI_WRITE4(sc, MFI_IQP, (bus_add |frame_cnt <<1)|1 ); 228171980Sscottl} 229171980Sscottl 230157114Sscottlstatic int 231157114Sscottlmfi_transition_firmware(struct mfi_softc *sc) 232157114Sscottl{ 233194851Sscottl uint32_t fw_state, cur_state; 234157114Sscottl int max_wait, i; 235157114Sscottl 236171980Sscottl fw_state = sc->mfi_read_fw_status(sc)& MFI_FWSTATE_MASK; 237157114Sscottl while (fw_state != MFI_FWSTATE_READY) { 238157114Sscottl if (bootverbose) 239157114Sscottl device_printf(sc->mfi_dev, "Waiting for firmware to " 240171980Sscottl "become ready\n"); 241157114Sscottl cur_state = fw_state; 242157114Sscottl switch (fw_state) { 243157114Sscottl case MFI_FWSTATE_FAULT: 244157114Sscottl device_printf(sc->mfi_dev, "Firmware fault\n"); 245157114Sscottl return (ENXIO); 246157114Sscottl case MFI_FWSTATE_WAIT_HANDSHAKE: 247157114Sscottl MFI_WRITE4(sc, MFI_IDB, MFI_FWINIT_CLEAR_HANDSHAKE); 248157114Sscottl max_wait = 2; 249157114Sscottl break; 250157114Sscottl case MFI_FWSTATE_OPERATIONAL: 251157114Sscottl MFI_WRITE4(sc, MFI_IDB, MFI_FWINIT_READY); 252157114Sscottl max_wait = 10; 253157114Sscottl break; 254157114Sscottl case MFI_FWSTATE_UNDEFINED: 255157114Sscottl case MFI_FWSTATE_BB_INIT: 256157114Sscottl max_wait = 2; 257157114Sscottl break; 258157114Sscottl case MFI_FWSTATE_FW_INIT: 259157114Sscottl case MFI_FWSTATE_DEVICE_SCAN: 260157114Sscottl case MFI_FWSTATE_FLUSH_CACHE: 261157114Sscottl max_wait = 20; 262157114Sscottl break; 263224041Sjhb case MFI_FWSTATE_BOOT_MESSAGE_PENDING: 264224041Sjhb MFI_WRITE4(sc, MFI_IDB, MFI_FWINIT_HOTPLUG); 265224041Sjhb max_wait = 10; 266224041Sjhb break; 267157114Sscottl default: 268224041Sjhb device_printf(sc->mfi_dev,"Unknown firmware state %#x\n", 269157114Sscottl fw_state); 270157114Sscottl return (ENXIO); 271157114Sscottl } 272157114Sscottl for (i = 0; i < (max_wait * 10); i++) { 273171980Sscottl fw_state = sc->mfi_read_fw_status(sc) & MFI_FWSTATE_MASK; 274157114Sscottl if (fw_state == cur_state) 275157114Sscottl DELAY(100000); 276157114Sscottl else 277157114Sscottl break; 278157114Sscottl } 279157114Sscottl if (fw_state == cur_state) { 280224041Sjhb device_printf(sc->mfi_dev, "Firmware stuck in state " 281157114Sscottl "%#x\n", fw_state); 282157114Sscottl return (ENXIO); 283157114Sscottl } 284157114Sscottl } 285157114Sscottl return (0); 286157114Sscottl} 287157114Sscottl 288157114Sscottlstatic void 289157114Sscottlmfi_addr32_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 290157114Sscottl{ 291157114Sscottl uint32_t *addr; 292157114Sscottl 293157114Sscottl addr = arg; 294157114Sscottl *addr = segs[0].ds_addr; 295157114Sscottl} 296157114Sscottl 297157114Sscottlint 298157114Sscottlmfi_attach(struct mfi_softc *sc) 299157114Sscottl{ 300157114Sscottl uint32_t status; 301157114Sscottl int error, commsz, framessz, sensesz; 302162458Sscottl int frames, unit, max_fw_sge; 303157114Sscottl 304186132Sambrisko device_printf(sc->mfi_dev, "Megaraid SAS driver Ver 3.00 \n"); 305186132Sambrisko 306157114Sscottl mtx_init(&sc->mfi_io_lock, "MFI I/O lock", NULL, MTX_DEF); 307171821Sjhb sx_init(&sc->mfi_config_lock, "MFI config"); 308157114Sscottl TAILQ_INIT(&sc->mfi_ld_tqh); 309158737Sambrisko TAILQ_INIT(&sc->mfi_aen_pids); 310169611Sscottl TAILQ_INIT(&sc->mfi_cam_ccbq); 311157114Sscottl 312157114Sscottl mfi_initq_free(sc); 313157114Sscottl mfi_initq_ready(sc); 314157114Sscottl mfi_initq_busy(sc); 315157114Sscottl mfi_initq_bio(sc); 316157114Sscottl 317171980Sscottl if (sc->mfi_flags & MFI_FLAGS_1064R) { 318171980Sscottl sc->mfi_enable_intr = mfi_enable_intr_xscale; 319171980Sscottl sc->mfi_read_fw_status = mfi_read_fw_status_xscale; 320171980Sscottl sc->mfi_check_clear_intr = mfi_check_clear_intr_xscale; 321171980Sscottl sc->mfi_issue_cmd = mfi_issue_cmd_xscale; 322171980Sscottl } 323171980Sscottl else { 324171980Sscottl sc->mfi_enable_intr = mfi_enable_intr_ppc; 325171980Sscottl sc->mfi_read_fw_status = mfi_read_fw_status_ppc; 326171980Sscottl sc->mfi_check_clear_intr = mfi_check_clear_intr_ppc; 327171980Sscottl sc->mfi_issue_cmd = mfi_issue_cmd_ppc; 328171980Sscottl } 329171980Sscottl 330171980Sscottl 331157114Sscottl /* Before we get too far, see if the firmware is working */ 332157114Sscottl if ((error = mfi_transition_firmware(sc)) != 0) { 333157114Sscottl device_printf(sc->mfi_dev, "Firmware not in READY state, " 334157114Sscottl "error %d\n", error); 335157114Sscottl return (ENXIO); 336157114Sscottl } 337157114Sscottl 338157114Sscottl /* 339157114Sscottl * Get information needed for sizing the contiguous memory for the 340157114Sscottl * frame pool. Size down the sgl parameter since we know that 341157114Sscottl * we will never need more than what's required for MAXPHYS. 342157114Sscottl * It would be nice if these constants were available at runtime 343157114Sscottl * instead of compile time. 344157114Sscottl */ 345171980Sscottl status = sc->mfi_read_fw_status(sc); 346157114Sscottl sc->mfi_max_fw_cmds = status & MFI_FWSTATE_MAXCMD_MASK; 347162458Sscottl max_fw_sge = (status & MFI_FWSTATE_MAXSGL_MASK) >> 16; 348195534Sscottl sc->mfi_max_sge = min(max_fw_sge, ((MFI_MAXPHYS / PAGE_SIZE) + 1)); 349157114Sscottl 350157114Sscottl /* 351157114Sscottl * Create the dma tag for data buffers. Used both for block I/O 352157114Sscottl * and for various internal data queries. 353157114Sscottl */ 354157114Sscottl if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 355157114Sscottl 1, 0, /* algnmnt, boundary */ 356157114Sscottl BUS_SPACE_MAXADDR, /* lowaddr */ 357157114Sscottl BUS_SPACE_MAXADDR, /* highaddr */ 358157114Sscottl NULL, NULL, /* filter, filterarg */ 359157114Sscottl BUS_SPACE_MAXSIZE_32BIT,/* maxsize */ 360162458Sscottl sc->mfi_max_sge, /* nsegments */ 361157114Sscottl BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ 362157114Sscottl BUS_DMA_ALLOCNOW, /* flags */ 363157114Sscottl busdma_lock_mutex, /* lockfunc */ 364157114Sscottl &sc->mfi_io_lock, /* lockfuncarg */ 365157114Sscottl &sc->mfi_buffer_dmat)) { 366157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate buffer DMA tag\n"); 367157114Sscottl return (ENOMEM); 368157114Sscottl } 369157114Sscottl 370157114Sscottl /* 371157114Sscottl * Allocate DMA memory for the comms queues. Keep it under 4GB for 372157114Sscottl * efficiency. The mfi_hwcomms struct includes space for 1 reply queue 373157114Sscottl * entry, so the calculated size here will be will be 1 more than 374157114Sscottl * mfi_max_fw_cmds. This is apparently a requirement of the hardware. 375157114Sscottl */ 376157114Sscottl commsz = (sizeof(uint32_t) * sc->mfi_max_fw_cmds) + 377157114Sscottl sizeof(struct mfi_hwcomms); 378157114Sscottl if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 379157114Sscottl 1, 0, /* algnmnt, boundary */ 380157114Sscottl BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 381157114Sscottl BUS_SPACE_MAXADDR, /* highaddr */ 382157114Sscottl NULL, NULL, /* filter, filterarg */ 383157114Sscottl commsz, /* maxsize */ 384157114Sscottl 1, /* msegments */ 385157114Sscottl commsz, /* maxsegsize */ 386157114Sscottl 0, /* flags */ 387157114Sscottl NULL, NULL, /* lockfunc, lockarg */ 388157114Sscottl &sc->mfi_comms_dmat)) { 389157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate comms DMA tag\n"); 390157114Sscottl return (ENOMEM); 391157114Sscottl } 392157114Sscottl if (bus_dmamem_alloc(sc->mfi_comms_dmat, (void **)&sc->mfi_comms, 393157114Sscottl BUS_DMA_NOWAIT, &sc->mfi_comms_dmamap)) { 394157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate comms memory\n"); 395157114Sscottl return (ENOMEM); 396157114Sscottl } 397157114Sscottl bzero(sc->mfi_comms, commsz); 398157114Sscottl bus_dmamap_load(sc->mfi_comms_dmat, sc->mfi_comms_dmamap, 399157114Sscottl sc->mfi_comms, commsz, mfi_addr32_cb, &sc->mfi_comms_busaddr, 0); 400157114Sscottl 401157114Sscottl /* 402157114Sscottl * Allocate DMA memory for the command frames. Keep them in the 403162458Sscottl * lower 4GB for efficiency. Calculate the size of the commands at 404162458Sscottl * the same time; each command is one 64 byte frame plus a set of 405162458Sscottl * additional frames for holding sg lists or other data. 406157114Sscottl * The assumption here is that the SG list will start at the second 407162458Sscottl * frame and not use the unused bytes in the first frame. While this 408162458Sscottl * isn't technically correct, it simplifies the calculation and allows 409162458Sscottl * for command frames that might be larger than an mfi_io_frame. 410157114Sscottl */ 411157114Sscottl if (sizeof(bus_addr_t) == 8) { 412162458Sscottl sc->mfi_sge_size = sizeof(struct mfi_sg64); 413157114Sscottl sc->mfi_flags |= MFI_FLAGS_SG64; 414157114Sscottl } else { 415162458Sscottl sc->mfi_sge_size = sizeof(struct mfi_sg32); 416157114Sscottl } 417162458Sscottl frames = (sc->mfi_sge_size * sc->mfi_max_sge - 1) / MFI_FRAME_SIZE + 2; 418162458Sscottl sc->mfi_cmd_size = frames * MFI_FRAME_SIZE; 419162458Sscottl framessz = sc->mfi_cmd_size * sc->mfi_max_fw_cmds; 420157114Sscottl if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 421157114Sscottl 64, 0, /* algnmnt, boundary */ 422157114Sscottl BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 423157114Sscottl BUS_SPACE_MAXADDR, /* highaddr */ 424157114Sscottl NULL, NULL, /* filter, filterarg */ 425157114Sscottl framessz, /* maxsize */ 426157114Sscottl 1, /* nsegments */ 427157114Sscottl framessz, /* maxsegsize */ 428157114Sscottl 0, /* flags */ 429157114Sscottl NULL, NULL, /* lockfunc, lockarg */ 430157114Sscottl &sc->mfi_frames_dmat)) { 431157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate frame DMA tag\n"); 432157114Sscottl return (ENOMEM); 433157114Sscottl } 434157114Sscottl if (bus_dmamem_alloc(sc->mfi_frames_dmat, (void **)&sc->mfi_frames, 435157114Sscottl BUS_DMA_NOWAIT, &sc->mfi_frames_dmamap)) { 436157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate frames memory\n"); 437157114Sscottl return (ENOMEM); 438157114Sscottl } 439157114Sscottl bzero(sc->mfi_frames, framessz); 440157114Sscottl bus_dmamap_load(sc->mfi_frames_dmat, sc->mfi_frames_dmamap, 441157114Sscottl sc->mfi_frames, framessz, mfi_addr32_cb, &sc->mfi_frames_busaddr,0); 442157114Sscottl 443157114Sscottl /* 444157114Sscottl * Allocate DMA memory for the frame sense data. Keep them in the 445157114Sscottl * lower 4GB for efficiency 446157114Sscottl */ 447157114Sscottl sensesz = sc->mfi_max_fw_cmds * MFI_SENSE_LEN; 448157114Sscottl if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 449157114Sscottl 4, 0, /* algnmnt, boundary */ 450157114Sscottl BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 451157114Sscottl BUS_SPACE_MAXADDR, /* highaddr */ 452157114Sscottl NULL, NULL, /* filter, filterarg */ 453157114Sscottl sensesz, /* maxsize */ 454157114Sscottl 1, /* nsegments */ 455157114Sscottl sensesz, /* maxsegsize */ 456157114Sscottl 0, /* flags */ 457157114Sscottl NULL, NULL, /* lockfunc, lockarg */ 458157114Sscottl &sc->mfi_sense_dmat)) { 459157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate sense DMA tag\n"); 460157114Sscottl return (ENOMEM); 461157114Sscottl } 462157114Sscottl if (bus_dmamem_alloc(sc->mfi_sense_dmat, (void **)&sc->mfi_sense, 463157114Sscottl BUS_DMA_NOWAIT, &sc->mfi_sense_dmamap)) { 464157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate sense memory\n"); 465157114Sscottl return (ENOMEM); 466157114Sscottl } 467157114Sscottl bus_dmamap_load(sc->mfi_sense_dmat, sc->mfi_sense_dmamap, 468157114Sscottl sc->mfi_sense, sensesz, mfi_addr32_cb, &sc->mfi_sense_busaddr, 0); 469157114Sscottl 470157114Sscottl if ((error = mfi_alloc_commands(sc)) != 0) 471157114Sscottl return (error); 472157114Sscottl 473157114Sscottl if ((error = mfi_comms_init(sc)) != 0) 474157114Sscottl return (error); 475157114Sscottl 476157114Sscottl if ((error = mfi_get_controller_info(sc)) != 0) 477157114Sscottl return (error); 478157114Sscottl 479163398Sscottl mtx_lock(&sc->mfi_io_lock); 480163398Sscottl if ((error = mfi_aen_setup(sc, 0), 0) != 0) { 481163398Sscottl mtx_unlock(&sc->mfi_io_lock); 482157114Sscottl return (error); 483163398Sscottl } 484163398Sscottl mtx_unlock(&sc->mfi_io_lock); 485157114Sscottl 486157114Sscottl /* 487157114Sscottl * Set up the interrupt handler. XXX This should happen in 488157114Sscottl * mfi_pci.c 489157114Sscottl */ 490157114Sscottl sc->mfi_irq_rid = 0; 491157114Sscottl if ((sc->mfi_irq = bus_alloc_resource_any(sc->mfi_dev, SYS_RES_IRQ, 492157114Sscottl &sc->mfi_irq_rid, RF_SHAREABLE | RF_ACTIVE)) == NULL) { 493157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate interrupt\n"); 494157114Sscottl return (EINVAL); 495157114Sscottl } 496157114Sscottl if (bus_setup_intr(sc->mfi_dev, sc->mfi_irq, INTR_MPSAFE|INTR_TYPE_BIO, 497166901Spiso NULL, mfi_intr, sc, &sc->mfi_intr)) { 498157114Sscottl device_printf(sc->mfi_dev, "Cannot set up interrupt\n"); 499157114Sscottl return (EINVAL); 500157114Sscottl } 501157114Sscottl 502157114Sscottl /* Register a config hook to probe the bus for arrays */ 503157114Sscottl sc->mfi_ich.ich_func = mfi_startup; 504157114Sscottl sc->mfi_ich.ich_arg = sc; 505157114Sscottl if (config_intrhook_establish(&sc->mfi_ich) != 0) { 506157114Sscottl device_printf(sc->mfi_dev, "Cannot establish configuration " 507157114Sscottl "hook\n"); 508157114Sscottl return (EINVAL); 509157114Sscottl } 510157114Sscottl 511157114Sscottl /* 512157114Sscottl * Register a shutdown handler. 513157114Sscottl */ 514157114Sscottl if ((sc->mfi_eh = EVENTHANDLER_REGISTER(shutdown_final, mfi_shutdown, 515157114Sscottl sc, SHUTDOWN_PRI_DEFAULT)) == NULL) { 516157114Sscottl device_printf(sc->mfi_dev, "Warning: shutdown event " 517157114Sscottl "registration failed\n"); 518157114Sscottl } 519157114Sscottl 520157114Sscottl /* 521157114Sscottl * Create the control device for doing management 522157114Sscottl */ 523157114Sscottl unit = device_get_unit(sc->mfi_dev); 524157114Sscottl sc->mfi_cdev = make_dev(&mfi_cdevsw, unit, UID_ROOT, GID_OPERATOR, 525157114Sscottl 0640, "mfi%d", unit); 526158737Sambrisko if (unit == 0) 527158737Sambrisko make_dev_alias(sc->mfi_cdev, "megaraid_sas_ioctl_node"); 528157114Sscottl if (sc->mfi_cdev != NULL) 529157114Sscottl sc->mfi_cdev->si_drv1 = sc; 530171821Sjhb SYSCTL_ADD_INT(device_get_sysctl_ctx(sc->mfi_dev), 531171821Sjhb SYSCTL_CHILDREN(device_get_sysctl_tree(sc->mfi_dev)), 532171821Sjhb OID_AUTO, "delete_busy_volumes", CTLFLAG_RW, 533171821Sjhb &sc->mfi_delete_busy_volumes, 0, "Allow removal of busy volumes"); 534171821Sjhb SYSCTL_ADD_INT(device_get_sysctl_ctx(sc->mfi_dev), 535171821Sjhb SYSCTL_CHILDREN(device_get_sysctl_tree(sc->mfi_dev)), 536171821Sjhb OID_AUTO, "keep_deleted_volumes", CTLFLAG_RW, 537171821Sjhb &sc->mfi_keep_deleted_volumes, 0, 538171821Sjhb "Don't detach the mfid device for a busy volume that is deleted"); 539157114Sscottl 540169611Sscottl device_add_child(sc->mfi_dev, "mfip", -1); 541169611Sscottl bus_generic_attach(sc->mfi_dev); 542169611Sscottl 543162619Sscottl /* Start the timeout watchdog */ 544178250Skris callout_init(&sc->mfi_watchdog_callout, CALLOUT_MPSAFE); 545162619Sscottl callout_reset(&sc->mfi_watchdog_callout, MFI_CMD_TIMEOUT * hz, 546162619Sscottl mfi_timeout, sc); 547162619Sscottl 548157114Sscottl return (0); 549157114Sscottl} 550157114Sscottl 551157114Sscottlstatic int 552157114Sscottlmfi_alloc_commands(struct mfi_softc *sc) 553157114Sscottl{ 554157114Sscottl struct mfi_command *cm; 555157114Sscottl int i, ncmds; 556157114Sscottl 557157114Sscottl /* 558157114Sscottl * XXX Should we allocate all the commands up front, or allocate on 559157114Sscottl * demand later like 'aac' does? 560157114Sscottl */ 561178968Sscottl ncmds = MIN(mfi_max_cmds, sc->mfi_max_fw_cmds); 562178968Sscottl if (bootverbose) 563178968Sscottl device_printf(sc->mfi_dev, "Max fw cmds= %d, sizing driver " 564178968Sscottl "pool to %d\n", sc->mfi_max_fw_cmds, ncmds); 565178968Sscottl 566157114Sscottl sc->mfi_commands = malloc(sizeof(struct mfi_command) * ncmds, M_MFIBUF, 567157114Sscottl M_WAITOK | M_ZERO); 568157114Sscottl 569157114Sscottl for (i = 0; i < ncmds; i++) { 570157114Sscottl cm = &sc->mfi_commands[i]; 571158737Sambrisko cm->cm_frame = (union mfi_frame *)((uintptr_t)sc->mfi_frames + 572162458Sscottl sc->mfi_cmd_size * i); 573157114Sscottl cm->cm_frame_busaddr = sc->mfi_frames_busaddr + 574162458Sscottl sc->mfi_cmd_size * i; 575157114Sscottl cm->cm_frame->header.context = i; 576157114Sscottl cm->cm_sense = &sc->mfi_sense[i]; 577157114Sscottl cm->cm_sense_busaddr= sc->mfi_sense_busaddr + MFI_SENSE_LEN * i; 578157114Sscottl cm->cm_sc = sc; 579162619Sscottl cm->cm_index = i; 580157114Sscottl if (bus_dmamap_create(sc->mfi_buffer_dmat, 0, 581157114Sscottl &cm->cm_dmamap) == 0) 582157114Sscottl mfi_release_command(cm); 583157114Sscottl else 584157114Sscottl break; 585157114Sscottl sc->mfi_total_cmds++; 586157114Sscottl } 587157114Sscottl 588157114Sscottl return (0); 589157114Sscottl} 590157114Sscottl 591169611Sscottlvoid 592157114Sscottlmfi_release_command(struct mfi_command *cm) 593157114Sscottl{ 594163398Sscottl struct mfi_frame_header *hdr; 595157114Sscottl uint32_t *hdr_data; 596157114Sscottl 597157114Sscottl /* 598157114Sscottl * Zero out the important fields of the frame, but make sure the 599165727Sscottl * context field is preserved. For efficiency, handle the fields 600165727Sscottl * as 32 bit words. Clear out the first S/G entry too for safety. 601157114Sscottl */ 602163398Sscottl hdr = &cm->cm_frame->header; 603175897Sambrisko if (cm->cm_data != NULL && hdr->sg_count) { 604163398Sscottl cm->cm_sg->sg32[0].len = 0; 605163398Sscottl cm->cm_sg->sg32[0].addr = 0; 606163398Sscottl } 607165727Sscottl 608165727Sscottl hdr_data = (uint32_t *)cm->cm_frame; 609165727Sscottl hdr_data[0] = 0; /* cmd, sense_len, cmd_status, scsi_status */ 610165727Sscottl hdr_data[1] = 0; /* target_id, lun_id, cdb_len, sg_count */ 611165727Sscottl hdr_data[4] = 0; /* flags, timeout */ 612165727Sscottl hdr_data[5] = 0; /* data_len */ 613165727Sscottl 614157114Sscottl cm->cm_extra_frames = 0; 615157114Sscottl cm->cm_flags = 0; 616157114Sscottl cm->cm_complete = NULL; 617157114Sscottl cm->cm_private = NULL; 618169611Sscottl cm->cm_data = NULL; 619157114Sscottl cm->cm_sg = 0; 620157114Sscottl cm->cm_total_frame_size = 0; 621163398Sscottl 622157114Sscottl mfi_enqueue_free(cm); 623157114Sscottl} 624157114Sscottl 625157114Sscottlstatic int 626159806Spsmfi_dcmd_command(struct mfi_softc *sc, struct mfi_command **cmp, uint32_t opcode, 627159806Sps void **bufp, size_t bufsize) 628159806Sps{ 629159806Sps struct mfi_command *cm; 630159806Sps struct mfi_dcmd_frame *dcmd; 631159806Sps void *buf = NULL; 632159806Sps 633159806Sps mtx_assert(&sc->mfi_io_lock, MA_OWNED); 634159806Sps 635159806Sps cm = mfi_dequeue_free(sc); 636159806Sps if (cm == NULL) 637159806Sps return (EBUSY); 638159806Sps 639159806Sps if ((bufsize > 0) && (bufp != NULL)) { 640159806Sps if (*bufp == NULL) { 641159806Sps buf = malloc(bufsize, M_MFIBUF, M_NOWAIT|M_ZERO); 642159806Sps if (buf == NULL) { 643159806Sps mfi_release_command(cm); 644159806Sps return (ENOMEM); 645159806Sps } 646159806Sps *bufp = buf; 647159806Sps } else { 648159806Sps buf = *bufp; 649159806Sps } 650159806Sps } 651159806Sps 652159806Sps dcmd = &cm->cm_frame->dcmd; 653159806Sps bzero(dcmd->mbox, MFI_MBOX_SIZE); 654159806Sps dcmd->header.cmd = MFI_CMD_DCMD; 655159806Sps dcmd->header.timeout = 0; 656159806Sps dcmd->header.flags = 0; 657159806Sps dcmd->header.data_len = bufsize; 658159806Sps dcmd->opcode = opcode; 659159806Sps cm->cm_sg = &dcmd->sgl; 660159806Sps cm->cm_total_frame_size = MFI_DCMD_FRAME_SIZE; 661159806Sps cm->cm_flags = 0; 662159806Sps cm->cm_data = buf; 663159806Sps cm->cm_private = buf; 664159806Sps cm->cm_len = bufsize; 665159806Sps 666159806Sps *cmp = cm; 667159806Sps if ((bufp != NULL) && (*bufp == NULL) && (buf != NULL)) 668159806Sps *bufp = buf; 669159806Sps return (0); 670159806Sps} 671159806Sps 672159806Spsstatic int 673157114Sscottlmfi_comms_init(struct mfi_softc *sc) 674157114Sscottl{ 675157114Sscottl struct mfi_command *cm; 676157114Sscottl struct mfi_init_frame *init; 677157114Sscottl struct mfi_init_qinfo *qinfo; 678157114Sscottl int error; 679157114Sscottl 680163398Sscottl mtx_lock(&sc->mfi_io_lock); 681157114Sscottl if ((cm = mfi_dequeue_free(sc)) == NULL) 682157114Sscottl return (EBUSY); 683157114Sscottl 684157114Sscottl /* 685157114Sscottl * Abuse the SG list area of the frame to hold the init_qinfo 686157114Sscottl * object; 687157114Sscottl */ 688157114Sscottl init = &cm->cm_frame->init; 689157114Sscottl qinfo = (struct mfi_init_qinfo *)((uintptr_t)init + MFI_FRAME_SIZE); 690157114Sscottl 691157114Sscottl bzero(qinfo, sizeof(struct mfi_init_qinfo)); 692157114Sscottl qinfo->rq_entries = sc->mfi_max_fw_cmds + 1; 693157114Sscottl qinfo->rq_addr_lo = sc->mfi_comms_busaddr + 694157114Sscottl offsetof(struct mfi_hwcomms, hw_reply_q); 695157114Sscottl qinfo->pi_addr_lo = sc->mfi_comms_busaddr + 696157114Sscottl offsetof(struct mfi_hwcomms, hw_pi); 697157114Sscottl qinfo->ci_addr_lo = sc->mfi_comms_busaddr + 698157114Sscottl offsetof(struct mfi_hwcomms, hw_ci); 699157114Sscottl 700157114Sscottl init->header.cmd = MFI_CMD_INIT; 701157114Sscottl init->header.data_len = sizeof(struct mfi_init_qinfo); 702157114Sscottl init->qinfo_new_addr_lo = cm->cm_frame_busaddr + MFI_FRAME_SIZE; 703164375Sscottl cm->cm_data = NULL; 704164375Sscottl cm->cm_flags = MFI_CMD_POLLED; 705157114Sscottl 706164375Sscottl if ((error = mfi_mapcmd(sc, cm)) != 0) { 707157114Sscottl device_printf(sc->mfi_dev, "failed to send init command\n"); 708163398Sscottl mtx_unlock(&sc->mfi_io_lock); 709157114Sscottl return (error); 710157114Sscottl } 711157114Sscottl mfi_release_command(cm); 712163398Sscottl mtx_unlock(&sc->mfi_io_lock); 713157114Sscottl 714157114Sscottl return (0); 715157114Sscottl} 716157114Sscottl 717157114Sscottlstatic int 718157114Sscottlmfi_get_controller_info(struct mfi_softc *sc) 719157114Sscottl{ 720159806Sps struct mfi_command *cm = NULL; 721159806Sps struct mfi_ctrl_info *ci = NULL; 722157114Sscottl uint32_t max_sectors_1, max_sectors_2; 723157114Sscottl int error; 724157114Sscottl 725159806Sps mtx_lock(&sc->mfi_io_lock); 726159806Sps error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_GETINFO, 727159806Sps (void **)&ci, sizeof(*ci)); 728159806Sps if (error) 729159806Sps goto out; 730157114Sscottl cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED; 731157114Sscottl 732157114Sscottl if ((error = mfi_mapcmd(sc, cm)) != 0) { 733157114Sscottl device_printf(sc->mfi_dev, "Failed to get controller info\n"); 734162458Sscottl sc->mfi_max_io = (sc->mfi_max_sge - 1) * PAGE_SIZE / 735157114Sscottl MFI_SECTOR_LEN; 736159806Sps error = 0; 737159806Sps goto out; 738157114Sscottl } 739157114Sscottl 740157114Sscottl bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 741157114Sscottl BUS_DMASYNC_POSTREAD); 742157114Sscottl bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 743157114Sscottl 744157114Sscottl max_sectors_1 = (1 << ci->stripe_sz_ops.min) * ci->max_strips_per_io; 745157114Sscottl max_sectors_2 = ci->max_request_size; 746157114Sscottl sc->mfi_max_io = min(max_sectors_1, max_sectors_2); 747157114Sscottl 748159806Spsout: 749159806Sps if (ci) 750159806Sps free(ci, M_MFIBUF); 751159806Sps if (cm) 752159806Sps mfi_release_command(cm); 753159806Sps mtx_unlock(&sc->mfi_io_lock); 754157114Sscottl return (error); 755157114Sscottl} 756157114Sscottl 757157114Sscottlstatic int 758159806Spsmfi_get_log_state(struct mfi_softc *sc, struct mfi_evt_log_state **log_state) 759158737Sambrisko{ 760159812Sps struct mfi_command *cm = NULL; 761158737Sambrisko int error; 762158737Sambrisko 763159806Sps error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_EVENT_GETINFO, 764159806Sps (void **)log_state, sizeof(**log_state)); 765159806Sps if (error) 766159806Sps goto out; 767159810Sps cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED; 768158737Sambrisko 769158737Sambrisko if ((error = mfi_mapcmd(sc, cm)) != 0) { 770159802Sps device_printf(sc->mfi_dev, "Failed to get log state\n"); 771159806Sps goto out; 772158737Sambrisko } 773158737Sambrisko 774158737Sambrisko bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 775158737Sambrisko BUS_DMASYNC_POSTREAD); 776158737Sambrisko bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 777158737Sambrisko 778159806Spsout: 779159812Sps if (cm) 780159812Sps mfi_release_command(cm); 781158737Sambrisko 782158737Sambrisko return (error); 783158737Sambrisko} 784158737Sambrisko 785158737Sambriskostatic int 786158737Sambriskomfi_aen_setup(struct mfi_softc *sc, uint32_t seq_start) 787158737Sambrisko{ 788159806Sps struct mfi_evt_log_state *log_state = NULL; 789158737Sambrisko union mfi_evt class_locale; 790158737Sambrisko int error = 0; 791158737Sambrisko uint32_t seq; 792158737Sambrisko 793158737Sambrisko class_locale.members.reserved = 0; 794162118Sambrisko class_locale.members.locale = mfi_event_locale; 795222589Semaste class_locale.members.evt_class = mfi_event_class; 796158737Sambrisko 797158737Sambrisko if (seq_start == 0) { 798158737Sambrisko error = mfi_get_log_state(sc, &log_state); 799159806Sps if (error) { 800159806Sps if (log_state) 801159806Sps free(log_state, M_MFIBUF); 802158737Sambrisko return (error); 803159806Sps } 804180037Sjhb 805180037Sjhb /* 806180037Sjhb * Walk through any events that fired since the last 807180037Sjhb * shutdown. 808180037Sjhb */ 809180037Sjhb mfi_parse_entries(sc, log_state->shutdown_seq_num, 810180037Sjhb log_state->newest_seq_num); 811180037Sjhb seq = log_state->newest_seq_num; 812158737Sambrisko } else 813158737Sambrisko seq = seq_start; 814158737Sambrisko mfi_aen_register(sc, seq, class_locale.word); 815159806Sps free(log_state, M_MFIBUF); 816158737Sambrisko 817158737Sambrisko return 0; 818158737Sambrisko} 819158737Sambrisko 820158737Sambriskostatic int 821159811Spsmfi_wait_command(struct mfi_softc *sc, struct mfi_command *cm) 822159811Sps{ 823159811Sps 824159811Sps mtx_assert(&sc->mfi_io_lock, MA_OWNED); 825159811Sps cm->cm_complete = NULL; 826159811Sps 827170284Sambrisko 828170284Sambrisko /* 829170284Sambrisko * MegaCli can issue a DCMD of 0. In this case do nothing 830170284Sambrisko * and return 0 to it as status 831170284Sambrisko */ 832170284Sambrisko if (cm->cm_frame->dcmd.opcode == 0) { 833170284Sambrisko cm->cm_frame->header.cmd_status = MFI_STAT_OK; 834170284Sambrisko cm->cm_error = 0; 835170284Sambrisko return (cm->cm_error); 836170284Sambrisko } 837159811Sps mfi_enqueue_ready(cm); 838159811Sps mfi_startio(sc); 839170284Sambrisko if ((cm->cm_flags & MFI_CMD_COMPLETED) == 0) 840170284Sambrisko msleep(cm, &sc->mfi_io_lock, PRIBIO, "mfiwait", 0); 841170284Sambrisko return (cm->cm_error); 842159811Sps} 843159811Sps 844157114Sscottlvoid 845157114Sscottlmfi_free(struct mfi_softc *sc) 846157114Sscottl{ 847157114Sscottl struct mfi_command *cm; 848157114Sscottl int i; 849157114Sscottl 850162619Sscottl callout_drain(&sc->mfi_watchdog_callout); 851162619Sscottl 852157114Sscottl if (sc->mfi_cdev != NULL) 853157114Sscottl destroy_dev(sc->mfi_cdev); 854157114Sscottl 855157114Sscottl if (sc->mfi_total_cmds != 0) { 856157114Sscottl for (i = 0; i < sc->mfi_total_cmds; i++) { 857157114Sscottl cm = &sc->mfi_commands[i]; 858157114Sscottl bus_dmamap_destroy(sc->mfi_buffer_dmat, cm->cm_dmamap); 859157114Sscottl } 860157114Sscottl free(sc->mfi_commands, M_MFIBUF); 861157114Sscottl } 862157114Sscottl 863157114Sscottl if (sc->mfi_intr) 864157114Sscottl bus_teardown_intr(sc->mfi_dev, sc->mfi_irq, sc->mfi_intr); 865157114Sscottl if (sc->mfi_irq != NULL) 866157114Sscottl bus_release_resource(sc->mfi_dev, SYS_RES_IRQ, sc->mfi_irq_rid, 867157114Sscottl sc->mfi_irq); 868157114Sscottl 869157114Sscottl if (sc->mfi_sense_busaddr != 0) 870157114Sscottl bus_dmamap_unload(sc->mfi_sense_dmat, sc->mfi_sense_dmamap); 871157114Sscottl if (sc->mfi_sense != NULL) 872157114Sscottl bus_dmamem_free(sc->mfi_sense_dmat, sc->mfi_sense, 873157114Sscottl sc->mfi_sense_dmamap); 874157114Sscottl if (sc->mfi_sense_dmat != NULL) 875157114Sscottl bus_dma_tag_destroy(sc->mfi_sense_dmat); 876157114Sscottl 877157114Sscottl if (sc->mfi_frames_busaddr != 0) 878157114Sscottl bus_dmamap_unload(sc->mfi_frames_dmat, sc->mfi_frames_dmamap); 879157114Sscottl if (sc->mfi_frames != NULL) 880157114Sscottl bus_dmamem_free(sc->mfi_frames_dmat, sc->mfi_frames, 881157114Sscottl sc->mfi_frames_dmamap); 882157114Sscottl if (sc->mfi_frames_dmat != NULL) 883157114Sscottl bus_dma_tag_destroy(sc->mfi_frames_dmat); 884157114Sscottl 885157114Sscottl if (sc->mfi_comms_busaddr != 0) 886157114Sscottl bus_dmamap_unload(sc->mfi_comms_dmat, sc->mfi_comms_dmamap); 887157114Sscottl if (sc->mfi_comms != NULL) 888157114Sscottl bus_dmamem_free(sc->mfi_comms_dmat, sc->mfi_comms, 889157114Sscottl sc->mfi_comms_dmamap); 890157114Sscottl if (sc->mfi_comms_dmat != NULL) 891157114Sscottl bus_dma_tag_destroy(sc->mfi_comms_dmat); 892157114Sscottl 893157114Sscottl if (sc->mfi_buffer_dmat != NULL) 894157114Sscottl bus_dma_tag_destroy(sc->mfi_buffer_dmat); 895157114Sscottl if (sc->mfi_parent_dmat != NULL) 896157114Sscottl bus_dma_tag_destroy(sc->mfi_parent_dmat); 897157114Sscottl 898171821Sjhb if (mtx_initialized(&sc->mfi_io_lock)) { 899157114Sscottl mtx_destroy(&sc->mfi_io_lock); 900171821Sjhb sx_destroy(&sc->mfi_config_lock); 901171821Sjhb } 902157114Sscottl 903157114Sscottl return; 904157114Sscottl} 905157114Sscottl 906157114Sscottlstatic void 907157114Sscottlmfi_startup(void *arg) 908157114Sscottl{ 909157114Sscottl struct mfi_softc *sc; 910157114Sscottl 911157114Sscottl sc = (struct mfi_softc *)arg; 912157114Sscottl 913157114Sscottl config_intrhook_disestablish(&sc->mfi_ich); 914157114Sscottl 915171980Sscottl sc->mfi_enable_intr(sc); 916171821Sjhb sx_xlock(&sc->mfi_config_lock); 917163398Sscottl mtx_lock(&sc->mfi_io_lock); 918159811Sps mfi_ldprobe(sc); 919163398Sscottl mtx_unlock(&sc->mfi_io_lock); 920171821Sjhb sx_xunlock(&sc->mfi_config_lock); 921157114Sscottl} 922157114Sscottl 923157114Sscottlstatic void 924157114Sscottlmfi_intr(void *arg) 925157114Sscottl{ 926157114Sscottl struct mfi_softc *sc; 927157114Sscottl struct mfi_command *cm; 928171980Sscottl uint32_t pi, ci, context; 929157114Sscottl 930157114Sscottl sc = (struct mfi_softc *)arg; 931157114Sscottl 932171980Sscottl if (sc->mfi_check_clear_intr(sc)) 933157114Sscottl return; 934163398Sscottl 935157114Sscottl pi = sc->mfi_comms->hw_pi; 936157114Sscottl ci = sc->mfi_comms->hw_ci; 937157114Sscottl mtx_lock(&sc->mfi_io_lock); 938157114Sscottl while (ci != pi) { 939157114Sscottl context = sc->mfi_comms->hw_reply_q[ci]; 940170284Sambrisko if (context < sc->mfi_max_fw_cmds) { 941170284Sambrisko cm = &sc->mfi_commands[context]; 942170284Sambrisko mfi_remove_busy(cm); 943170284Sambrisko cm->cm_error = 0; 944170284Sambrisko mfi_complete(sc, cm); 945170284Sambrisko } 946162099Sscottl if (++ci == (sc->mfi_max_fw_cmds + 1)) { 947157114Sscottl ci = 0; 948157114Sscottl } 949157114Sscottl } 950157114Sscottl 951157114Sscottl sc->mfi_comms->hw_ci = ci; 952157114Sscottl 953163398Sscottl /* Give defered I/O a chance to run */ 954163398Sscottl if (sc->mfi_flags & MFI_FLAGS_QFRZN) 955163398Sscottl sc->mfi_flags &= ~MFI_FLAGS_QFRZN; 956163398Sscottl mfi_startio(sc); 957163398Sscottl mtx_unlock(&sc->mfi_io_lock); 958163398Sscottl 959157114Sscottl return; 960157114Sscottl} 961157114Sscottl 962157114Sscottlint 963157114Sscottlmfi_shutdown(struct mfi_softc *sc) 964157114Sscottl{ 965157114Sscottl struct mfi_dcmd_frame *dcmd; 966157114Sscottl struct mfi_command *cm; 967157114Sscottl int error; 968157114Sscottl 969159806Sps mtx_lock(&sc->mfi_io_lock); 970159806Sps error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_SHUTDOWN, NULL, 0); 971163398Sscottl if (error) { 972163398Sscottl mtx_unlock(&sc->mfi_io_lock); 973159806Sps return (error); 974163398Sscottl } 975157114Sscottl 976158737Sambrisko if (sc->mfi_aen_cm != NULL) 977158737Sambrisko mfi_abort(sc, sc->mfi_aen_cm); 978157114Sscottl 979157114Sscottl dcmd = &cm->cm_frame->dcmd; 980157114Sscottl dcmd->header.flags = MFI_FRAME_DIR_NONE; 981164375Sscottl cm->cm_flags = MFI_CMD_POLLED; 982164375Sscottl cm->cm_data = NULL; 983157114Sscottl 984164375Sscottl if ((error = mfi_mapcmd(sc, cm)) != 0) { 985157114Sscottl device_printf(sc->mfi_dev, "Failed to shutdown controller\n"); 986157114Sscottl } 987157114Sscottl 988159812Sps mfi_release_command(cm); 989163398Sscottl mtx_unlock(&sc->mfi_io_lock); 990157114Sscottl return (error); 991157114Sscottl} 992157114Sscottl 993157114Sscottlstatic void 994159811Spsmfi_ldprobe(struct mfi_softc *sc) 995157114Sscottl{ 996159811Sps struct mfi_frame_header *hdr; 997159811Sps struct mfi_command *cm = NULL; 998159811Sps struct mfi_ld_list *list = NULL; 999171821Sjhb struct mfi_disk *ld; 1000159811Sps int error, i; 1001157114Sscottl 1002171821Sjhb sx_assert(&sc->mfi_config_lock, SA_XLOCKED); 1003163398Sscottl mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1004163398Sscottl 1005159811Sps error = mfi_dcmd_command(sc, &cm, MFI_DCMD_LD_GET_LIST, 1006159811Sps (void **)&list, sizeof(*list)); 1007159811Sps if (error) 1008159811Sps goto out; 1009159811Sps 1010159811Sps cm->cm_flags = MFI_CMD_DATAIN; 1011159811Sps if (mfi_wait_command(sc, cm) != 0) { 1012159811Sps device_printf(sc->mfi_dev, "Failed to get device listing\n"); 1013159811Sps goto out; 1014157114Sscottl } 1015157114Sscottl 1016157114Sscottl hdr = &cm->cm_frame->header; 1017159811Sps if (hdr->cmd_status != MFI_STAT_OK) { 1018159811Sps device_printf(sc->mfi_dev, "MFI_DCMD_LD_GET_LIST failed %x\n", 1019159811Sps hdr->cmd_status); 1020159811Sps goto out; 1021157114Sscottl } 1022157114Sscottl 1023171821Sjhb for (i = 0; i < list->ld_count; i++) { 1024171821Sjhb TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) { 1025171821Sjhb if (ld->ld_id == list->ld_list[i].ld.v.target_id) 1026171821Sjhb goto skip_add; 1027171821Sjhb } 1028163398Sscottl mfi_add_ld(sc, list->ld_list[i].ld.v.target_id); 1029171821Sjhb skip_add:; 1030171821Sjhb } 1031159811Spsout: 1032159811Sps if (list) 1033159811Sps free(list, M_MFIBUF); 1034159811Sps if (cm) 1035157114Sscottl mfi_release_command(cm); 1036163398Sscottl 1037159811Sps return; 1038157114Sscottl} 1039157114Sscottl 1040180038Sjhb/* 1041180038Sjhb * The timestamp is the number of seconds since 00:00 Jan 1, 2000. If 1042180038Sjhb * the bits in 24-31 are all set, then it is the number of seconds since 1043180038Sjhb * boot. 1044180038Sjhb */ 1045180038Sjhbstatic const char * 1046180038Sjhbformat_timestamp(uint32_t timestamp) 1047158737Sambrisko{ 1048180038Sjhb static char buffer[32]; 1049180038Sjhb 1050180038Sjhb if ((timestamp & 0xff000000) == 0xff000000) 1051180038Sjhb snprintf(buffer, sizeof(buffer), "boot + %us", timestamp & 1052180038Sjhb 0x00ffffff); 1053180038Sjhb else 1054180038Sjhb snprintf(buffer, sizeof(buffer), "%us", timestamp); 1055180038Sjhb return (buffer); 1056180038Sjhb} 1057180038Sjhb 1058180038Sjhbstatic const char * 1059180038Sjhbformat_class(int8_t class) 1060180038Sjhb{ 1061180038Sjhb static char buffer[6]; 1062180038Sjhb 1063180038Sjhb switch (class) { 1064180038Sjhb case MFI_EVT_CLASS_DEBUG: 1065180038Sjhb return ("debug"); 1066180038Sjhb case MFI_EVT_CLASS_PROGRESS: 1067180038Sjhb return ("progress"); 1068180038Sjhb case MFI_EVT_CLASS_INFO: 1069180038Sjhb return ("info"); 1070180038Sjhb case MFI_EVT_CLASS_WARNING: 1071180038Sjhb return ("WARN"); 1072180038Sjhb case MFI_EVT_CLASS_CRITICAL: 1073180038Sjhb return ("CRIT"); 1074180038Sjhb case MFI_EVT_CLASS_FATAL: 1075180038Sjhb return ("FATAL"); 1076180038Sjhb case MFI_EVT_CLASS_DEAD: 1077180038Sjhb return ("DEAD"); 1078158737Sambrisko default: 1079180038Sjhb snprintf(buffer, sizeof(buffer), "%d", class); 1080180038Sjhb return (buffer); 1081158737Sambrisko } 1082158737Sambrisko} 1083158737Sambrisko 1084180038Sjhbstatic void 1085180038Sjhbmfi_decode_evt(struct mfi_softc *sc, struct mfi_evt_detail *detail) 1086180038Sjhb{ 1087180038Sjhb 1088200238Sjkim device_printf(sc->mfi_dev, "%d (%s/0x%04x/%s) - %s\n", detail->seq, 1089222589Semaste format_timestamp(detail->time), detail->evt_class.members.locale, 1090222589Semaste format_class(detail->evt_class.members.evt_class), detail->description); 1091180038Sjhb} 1092180038Sjhb 1093157114Sscottlstatic int 1094158737Sambriskomfi_aen_register(struct mfi_softc *sc, int seq, int locale) 1095158737Sambrisko{ 1096158737Sambrisko struct mfi_command *cm; 1097158737Sambrisko struct mfi_dcmd_frame *dcmd; 1098158737Sambrisko union mfi_evt current_aen, prior_aen; 1099159806Sps struct mfi_evt_detail *ed = NULL; 1100163398Sscottl int error = 0; 1101158737Sambrisko 1102158737Sambrisko current_aen.word = locale; 1103158737Sambrisko if (sc->mfi_aen_cm != NULL) { 1104158737Sambrisko prior_aen.word = 1105158737Sambrisko ((uint32_t *)&sc->mfi_aen_cm->cm_frame->dcmd.mbox)[1]; 1106222589Semaste if (prior_aen.members.evt_class <= current_aen.members.evt_class && 1107158737Sambrisko !((prior_aen.members.locale & current_aen.members.locale) 1108158737Sambrisko ^current_aen.members.locale)) { 1109158737Sambrisko return (0); 1110158737Sambrisko } else { 1111158737Sambrisko prior_aen.members.locale |= current_aen.members.locale; 1112222589Semaste if (prior_aen.members.evt_class 1113222589Semaste < current_aen.members.evt_class) 1114222589Semaste current_aen.members.evt_class = 1115222589Semaste prior_aen.members.evt_class; 1116158737Sambrisko mfi_abort(sc, sc->mfi_aen_cm); 1117158737Sambrisko } 1118158737Sambrisko } 1119158737Sambrisko 1120159806Sps error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_EVENT_WAIT, 1121159806Sps (void **)&ed, sizeof(*ed)); 1122163398Sscottl if (error) { 1123163398Sscottl goto out; 1124163398Sscottl } 1125158737Sambrisko 1126158737Sambrisko dcmd = &cm->cm_frame->dcmd; 1127158737Sambrisko ((uint32_t *)&dcmd->mbox)[0] = seq; 1128158737Sambrisko ((uint32_t *)&dcmd->mbox)[1] = locale; 1129158737Sambrisko cm->cm_flags = MFI_CMD_DATAIN; 1130158737Sambrisko cm->cm_complete = mfi_aen_complete; 1131158737Sambrisko 1132158737Sambrisko sc->mfi_aen_cm = cm; 1133158737Sambrisko 1134158737Sambrisko mfi_enqueue_ready(cm); 1135158737Sambrisko mfi_startio(sc); 1136158737Sambrisko 1137163398Sscottlout: 1138163398Sscottl return (error); 1139158737Sambrisko} 1140158737Sambrisko 1141158737Sambriskostatic void 1142158737Sambriskomfi_aen_complete(struct mfi_command *cm) 1143158737Sambrisko{ 1144158737Sambrisko struct mfi_frame_header *hdr; 1145158737Sambrisko struct mfi_softc *sc; 1146158737Sambrisko struct mfi_evt_detail *detail; 1147163398Sscottl struct mfi_aen *mfi_aen_entry, *tmp; 1148158737Sambrisko int seq = 0, aborted = 0; 1149158737Sambrisko 1150158737Sambrisko sc = cm->cm_sc; 1151158737Sambrisko hdr = &cm->cm_frame->header; 1152158737Sambrisko 1153158737Sambrisko if (sc->mfi_aen_cm == NULL) 1154158737Sambrisko return; 1155158737Sambrisko 1156224039Sjhb if (sc->mfi_aen_cm->cm_aen_abort || 1157224039Sjhb hdr->cmd_status == MFI_STAT_INVALID_STATUS) { 1158158737Sambrisko sc->mfi_aen_cm->cm_aen_abort = 0; 1159158737Sambrisko aborted = 1; 1160158737Sambrisko } else { 1161158737Sambrisko sc->mfi_aen_triggered = 1; 1162163398Sscottl if (sc->mfi_poll_waiting) { 1163163398Sscottl sc->mfi_poll_waiting = 0; 1164158737Sambrisko selwakeup(&sc->mfi_select); 1165163398Sscottl } 1166158737Sambrisko detail = cm->cm_data; 1167163398Sscottl /* 1168163398Sscottl * XXX If this function is too expensive or is recursive, then 1169163398Sscottl * events should be put onto a queue and processed later. 1170163398Sscottl */ 1171158737Sambrisko mfi_decode_evt(sc, detail); 1172158737Sambrisko seq = detail->seq + 1; 1173163398Sscottl TAILQ_FOREACH_SAFE(mfi_aen_entry, &sc->mfi_aen_pids, aen_link, tmp) { 1174158737Sambrisko TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry, 1175158737Sambrisko aen_link); 1176163398Sscottl PROC_LOCK(mfi_aen_entry->p); 1177158737Sambrisko psignal(mfi_aen_entry->p, SIGIO); 1178163398Sscottl PROC_UNLOCK(mfi_aen_entry->p); 1179158737Sambrisko free(mfi_aen_entry, M_MFIBUF); 1180158737Sambrisko } 1181158737Sambrisko } 1182158737Sambrisko 1183158737Sambrisko free(cm->cm_data, M_MFIBUF); 1184158737Sambrisko sc->mfi_aen_cm = NULL; 1185158737Sambrisko wakeup(&sc->mfi_aen_cm); 1186158737Sambrisko mfi_release_command(cm); 1187158737Sambrisko 1188158737Sambrisko /* set it up again so the driver can catch more events */ 1189158737Sambrisko if (!aborted) { 1190158737Sambrisko mfi_aen_setup(sc, seq); 1191158737Sambrisko } 1192158737Sambrisko} 1193158737Sambrisko 1194180037Sjhb#define MAX_EVENTS 15 1195180037Sjhb 1196158737Sambriskostatic int 1197180037Sjhbmfi_parse_entries(struct mfi_softc *sc, int start_seq, int stop_seq) 1198158737Sambrisko{ 1199158737Sambrisko struct mfi_command *cm; 1200158737Sambrisko struct mfi_dcmd_frame *dcmd; 1201162118Sambrisko struct mfi_evt_list *el; 1202180037Sjhb union mfi_evt class_locale; 1203180037Sjhb int error, i, seq, size; 1204158737Sambrisko 1205180037Sjhb class_locale.members.reserved = 0; 1206180037Sjhb class_locale.members.locale = mfi_event_locale; 1207222589Semaste class_locale.members.evt_class = mfi_event_class; 1208158737Sambrisko 1209162118Sambrisko size = sizeof(struct mfi_evt_list) + sizeof(struct mfi_evt_detail) 1210162118Sambrisko * (MAX_EVENTS - 1); 1211162118Sambrisko el = malloc(size, M_MFIBUF, M_NOWAIT | M_ZERO); 1212180037Sjhb if (el == NULL) 1213158737Sambrisko return (ENOMEM); 1214158737Sambrisko 1215180037Sjhb for (seq = start_seq;;) { 1216180037Sjhb if ((cm = mfi_dequeue_free(sc)) == NULL) { 1217180037Sjhb free(el, M_MFIBUF); 1218180037Sjhb return (EBUSY); 1219180037Sjhb } 1220158737Sambrisko 1221180037Sjhb dcmd = &cm->cm_frame->dcmd; 1222180037Sjhb bzero(dcmd->mbox, MFI_MBOX_SIZE); 1223180037Sjhb dcmd->header.cmd = MFI_CMD_DCMD; 1224180037Sjhb dcmd->header.timeout = 0; 1225180037Sjhb dcmd->header.data_len = size; 1226180037Sjhb dcmd->opcode = MFI_DCMD_CTRL_EVENT_GET; 1227180037Sjhb ((uint32_t *)&dcmd->mbox)[0] = seq; 1228180037Sjhb ((uint32_t *)&dcmd->mbox)[1] = class_locale.word; 1229180037Sjhb cm->cm_sg = &dcmd->sgl; 1230180037Sjhb cm->cm_total_frame_size = MFI_DCMD_FRAME_SIZE; 1231180037Sjhb cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED; 1232180037Sjhb cm->cm_data = el; 1233180037Sjhb cm->cm_len = size; 1234180037Sjhb 1235180037Sjhb if ((error = mfi_mapcmd(sc, cm)) != 0) { 1236180037Sjhb device_printf(sc->mfi_dev, 1237180037Sjhb "Failed to get controller entries\n"); 1238180037Sjhb mfi_release_command(cm); 1239180037Sjhb break; 1240180037Sjhb } 1241180037Sjhb 1242180037Sjhb bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 1243180037Sjhb BUS_DMASYNC_POSTREAD); 1244180037Sjhb bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 1245180037Sjhb 1246180037Sjhb if (dcmd->header.cmd_status == MFI_STAT_NOT_FOUND) { 1247180037Sjhb mfi_release_command(cm); 1248180037Sjhb break; 1249180037Sjhb } 1250180037Sjhb if (dcmd->header.cmd_status != MFI_STAT_OK) { 1251180037Sjhb device_printf(sc->mfi_dev, 1252180037Sjhb "Error %d fetching controller entries\n", 1253180037Sjhb dcmd->header.cmd_status); 1254180037Sjhb mfi_release_command(cm); 1255180037Sjhb break; 1256180037Sjhb } 1257158737Sambrisko mfi_release_command(cm); 1258158737Sambrisko 1259162473Sambrisko for (i = 0; i < el->count; i++) { 1260180037Sjhb /* 1261180037Sjhb * If this event is newer than 'stop_seq' then 1262180037Sjhb * break out of the loop. Note that the log 1263180037Sjhb * is a circular buffer so we have to handle 1264180037Sjhb * the case that our stop point is earlier in 1265180037Sjhb * the buffer than our start point. 1266180037Sjhb */ 1267180037Sjhb if (el->event[i].seq >= stop_seq) { 1268180037Sjhb if (start_seq <= stop_seq) 1269180037Sjhb break; 1270180037Sjhb else if (el->event[i].seq < start_seq) 1271180037Sjhb break; 1272180037Sjhb } 1273180037Sjhb mfi_decode_evt(sc, &el->event[i]); 1274162473Sambrisko } 1275180037Sjhb seq = el->event[el->count - 1].seq + 1; 1276162118Sambrisko } 1277158737Sambrisko 1278180037Sjhb free(el, M_MFIBUF); 1279158737Sambrisko return (0); 1280158737Sambrisko} 1281158737Sambrisko 1282158737Sambriskostatic int 1283159811Spsmfi_add_ld(struct mfi_softc *sc, int id) 1284157114Sscottl{ 1285157114Sscottl struct mfi_command *cm; 1286159811Sps struct mfi_dcmd_frame *dcmd = NULL; 1287159811Sps struct mfi_ld_info *ld_info = NULL; 1288159811Sps int error; 1289157114Sscottl 1290159811Sps mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1291159811Sps 1292159811Sps error = mfi_dcmd_command(sc, &cm, MFI_DCMD_LD_GET_INFO, 1293159811Sps (void **)&ld_info, sizeof(*ld_info)); 1294159811Sps if (error) { 1295159811Sps device_printf(sc->mfi_dev, 1296159811Sps "Failed to allocate for MFI_DCMD_LD_GET_INFO %d\n", error); 1297159811Sps if (ld_info) 1298159811Sps free(ld_info, M_MFIBUF); 1299159811Sps return (error); 1300157624Sscottl } 1301159811Sps cm->cm_flags = MFI_CMD_DATAIN; 1302159811Sps dcmd = &cm->cm_frame->dcmd; 1303159811Sps dcmd->mbox[0] = id; 1304160052Sambrisko if (mfi_wait_command(sc, cm) != 0) { 1305160052Sambrisko device_printf(sc->mfi_dev, 1306160052Sambrisko "Failed to get logical drive: %d\n", id); 1307160052Sambrisko free(ld_info, M_MFIBUF); 1308160052Sambrisko return (0); 1309160052Sambrisko } 1310159811Sps 1311160052Sambrisko mfi_add_ld_complete(cm); 1312157114Sscottl return (0); 1313157114Sscottl} 1314157114Sscottl 1315157114Sscottlstatic void 1316159811Spsmfi_add_ld_complete(struct mfi_command *cm) 1317157114Sscottl{ 1318157114Sscottl struct mfi_frame_header *hdr; 1319159811Sps struct mfi_ld_info *ld_info; 1320157114Sscottl struct mfi_softc *sc; 1321159811Sps device_t child; 1322157114Sscottl 1323157114Sscottl sc = cm->cm_sc; 1324157114Sscottl hdr = &cm->cm_frame->header; 1325159811Sps ld_info = cm->cm_private; 1326157114Sscottl 1327159811Sps if (hdr->cmd_status != MFI_STAT_OK) { 1328159811Sps free(ld_info, M_MFIBUF); 1329157114Sscottl mfi_release_command(cm); 1330157114Sscottl return; 1331157114Sscottl } 1332157114Sscottl mfi_release_command(cm); 1333157114Sscottl 1334169611Sscottl mtx_unlock(&sc->mfi_io_lock); 1335196403Sjhb mtx_lock(&Giant); 1336157114Sscottl if ((child = device_add_child(sc->mfi_dev, "mfid", -1)) == NULL) { 1337157114Sscottl device_printf(sc->mfi_dev, "Failed to add logical disk\n"); 1338159811Sps free(ld_info, M_MFIBUF); 1339196403Sjhb mtx_unlock(&Giant); 1340169611Sscottl mtx_lock(&sc->mfi_io_lock); 1341159811Sps return; 1342157114Sscottl } 1343157114Sscottl 1344169451Sscottl device_set_ivars(child, ld_info); 1345157114Sscottl device_set_desc(child, "MFI Logical Disk"); 1346157114Sscottl bus_generic_attach(sc->mfi_dev); 1347196403Sjhb mtx_unlock(&Giant); 1348157114Sscottl mtx_lock(&sc->mfi_io_lock); 1349157114Sscottl} 1350163399Sscottl 1351157114Sscottlstatic struct mfi_command * 1352157114Sscottlmfi_bio_command(struct mfi_softc *sc) 1353157114Sscottl{ 1354157114Sscottl struct mfi_io_frame *io; 1355157114Sscottl struct mfi_command *cm; 1356157114Sscottl struct bio *bio; 1357158737Sambrisko int flags, blkcount; 1358157114Sscottl 1359157114Sscottl if ((cm = mfi_dequeue_free(sc)) == NULL) 1360157114Sscottl return (NULL); 1361157114Sscottl 1362157114Sscottl if ((bio = mfi_dequeue_bio(sc)) == NULL) { 1363157114Sscottl mfi_release_command(cm); 1364157114Sscottl return (NULL); 1365157114Sscottl } 1366157114Sscottl 1367157114Sscottl io = &cm->cm_frame->io; 1368157114Sscottl switch (bio->bio_cmd & 0x03) { 1369157114Sscottl case BIO_READ: 1370157114Sscottl io->header.cmd = MFI_CMD_LD_READ; 1371157114Sscottl flags = MFI_CMD_DATAIN; 1372157114Sscottl break; 1373157114Sscottl case BIO_WRITE: 1374157114Sscottl io->header.cmd = MFI_CMD_LD_WRITE; 1375157114Sscottl flags = MFI_CMD_DATAOUT; 1376157114Sscottl break; 1377157114Sscottl default: 1378157114Sscottl panic("Invalid bio command"); 1379157114Sscottl } 1380157114Sscottl 1381157114Sscottl /* Cheat with the sector length to avoid a non-constant division */ 1382157114Sscottl blkcount = (bio->bio_bcount + MFI_SECTOR_LEN - 1) / MFI_SECTOR_LEN; 1383157114Sscottl io->header.target_id = (uintptr_t)bio->bio_driver1; 1384157114Sscottl io->header.timeout = 0; 1385157114Sscottl io->header.flags = 0; 1386157114Sscottl io->header.sense_len = MFI_SENSE_LEN; 1387157114Sscottl io->header.data_len = blkcount; 1388157114Sscottl io->sense_addr_lo = cm->cm_sense_busaddr; 1389157114Sscottl io->sense_addr_hi = 0; 1390157114Sscottl io->lba_hi = (bio->bio_pblkno & 0xffffffff00000000) >> 32; 1391157114Sscottl io->lba_lo = bio->bio_pblkno & 0xffffffff; 1392157114Sscottl cm->cm_complete = mfi_bio_complete; 1393157114Sscottl cm->cm_private = bio; 1394157114Sscottl cm->cm_data = bio->bio_data; 1395157114Sscottl cm->cm_len = bio->bio_bcount; 1396157114Sscottl cm->cm_sg = &io->sgl; 1397157114Sscottl cm->cm_total_frame_size = MFI_IO_FRAME_SIZE; 1398157114Sscottl cm->cm_flags = flags; 1399157114Sscottl return (cm); 1400157114Sscottl} 1401157114Sscottl 1402157114Sscottlstatic void 1403157114Sscottlmfi_bio_complete(struct mfi_command *cm) 1404157114Sscottl{ 1405157114Sscottl struct bio *bio; 1406157114Sscottl struct mfi_frame_header *hdr; 1407157114Sscottl struct mfi_softc *sc; 1408157114Sscottl 1409157114Sscottl bio = cm->cm_private; 1410157114Sscottl hdr = &cm->cm_frame->header; 1411157114Sscottl sc = cm->cm_sc; 1412157114Sscottl 1413224039Sjhb if ((hdr->cmd_status != MFI_STAT_OK) || (hdr->scsi_status != 0)) { 1414157114Sscottl bio->bio_flags |= BIO_ERROR; 1415157114Sscottl bio->bio_error = EIO; 1416157114Sscottl device_printf(sc->mfi_dev, "I/O error, status= %d " 1417157114Sscottl "scsi_status= %d\n", hdr->cmd_status, hdr->scsi_status); 1418157114Sscottl mfi_print_sense(cm->cm_sc, cm->cm_sense); 1419184897Sambrisko } else if (cm->cm_error != 0) { 1420184897Sambrisko bio->bio_flags |= BIO_ERROR; 1421157114Sscottl } 1422157114Sscottl 1423157114Sscottl mfi_release_command(cm); 1424157114Sscottl mfi_disk_complete(bio); 1425157114Sscottl} 1426157114Sscottl 1427157114Sscottlvoid 1428157114Sscottlmfi_startio(struct mfi_softc *sc) 1429157114Sscottl{ 1430157114Sscottl struct mfi_command *cm; 1431169611Sscottl struct ccb_hdr *ccbh; 1432157114Sscottl 1433157114Sscottl for (;;) { 1434157114Sscottl /* Don't bother if we're short on resources */ 1435157114Sscottl if (sc->mfi_flags & MFI_FLAGS_QFRZN) 1436157114Sscottl break; 1437157114Sscottl 1438157114Sscottl /* Try a command that has already been prepared */ 1439157114Sscottl cm = mfi_dequeue_ready(sc); 1440157114Sscottl 1441169611Sscottl if (cm == NULL) { 1442169611Sscottl if ((ccbh = TAILQ_FIRST(&sc->mfi_cam_ccbq)) != NULL) 1443169611Sscottl cm = sc->mfi_cam_start(ccbh); 1444169611Sscottl } 1445169611Sscottl 1446157114Sscottl /* Nope, so look for work on the bioq */ 1447157114Sscottl if (cm == NULL) 1448157114Sscottl cm = mfi_bio_command(sc); 1449157114Sscottl 1450157114Sscottl /* No work available, so exit */ 1451157114Sscottl if (cm == NULL) 1452157114Sscottl break; 1453157114Sscottl 1454157114Sscottl /* Send the command to the controller */ 1455157114Sscottl if (mfi_mapcmd(sc, cm) != 0) { 1456157114Sscottl mfi_requeue_ready(cm); 1457157114Sscottl break; 1458157114Sscottl } 1459157114Sscottl } 1460157114Sscottl} 1461157114Sscottl 1462157114Sscottlstatic int 1463157114Sscottlmfi_mapcmd(struct mfi_softc *sc, struct mfi_command *cm) 1464157114Sscottl{ 1465157114Sscottl int error, polled; 1466157114Sscottl 1467163398Sscottl mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1468163398Sscottl 1469157114Sscottl if (cm->cm_data != NULL) { 1470157114Sscottl polled = (cm->cm_flags & MFI_CMD_POLLED) ? BUS_DMA_NOWAIT : 0; 1471157114Sscottl error = bus_dmamap_load(sc->mfi_buffer_dmat, cm->cm_dmamap, 1472157114Sscottl cm->cm_data, cm->cm_len, mfi_data_cb, cm, polled); 1473157114Sscottl if (error == EINPROGRESS) { 1474157114Sscottl sc->mfi_flags |= MFI_FLAGS_QFRZN; 1475157114Sscottl return (0); 1476157114Sscottl } 1477157114Sscottl } else { 1478157114Sscottl error = mfi_send_frame(sc, cm); 1479157114Sscottl } 1480157114Sscottl 1481157114Sscottl return (error); 1482157114Sscottl} 1483157114Sscottl 1484157114Sscottlstatic void 1485157114Sscottlmfi_data_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 1486157114Sscottl{ 1487157114Sscottl struct mfi_frame_header *hdr; 1488157114Sscottl struct mfi_command *cm; 1489157237Sscottl union mfi_sgl *sgl; 1490157114Sscottl struct mfi_softc *sc; 1491157114Sscottl int i, dir; 1492157114Sscottl 1493157114Sscottl cm = (struct mfi_command *)arg; 1494157114Sscottl sc = cm->cm_sc; 1495157237Sscottl hdr = &cm->cm_frame->header; 1496157237Sscottl sgl = cm->cm_sg; 1497157114Sscottl 1498170284Sambrisko if (error) { 1499170284Sambrisko printf("error %d in callback\n", error); 1500170284Sambrisko cm->cm_error = error; 1501170284Sambrisko mfi_complete(sc, cm); 1502170284Sambrisko return; 1503170284Sambrisko } 1504170284Sambrisko 1505157237Sscottl if ((sc->mfi_flags & MFI_FLAGS_SG64) == 0) { 1506157237Sscottl for (i = 0; i < nsegs; i++) { 1507157237Sscottl sgl->sg32[i].addr = segs[i].ds_addr; 1508157237Sscottl sgl->sg32[i].len = segs[i].ds_len; 1509157114Sscottl } 1510157237Sscottl } else { 1511157237Sscottl for (i = 0; i < nsegs; i++) { 1512157237Sscottl sgl->sg64[i].addr = segs[i].ds_addr; 1513157237Sscottl sgl->sg64[i].len = segs[i].ds_len; 1514157237Sscottl } 1515157237Sscottl hdr->flags |= MFI_FRAME_SGL64; 1516157114Sscottl } 1517157114Sscottl hdr->sg_count = nsegs; 1518157114Sscottl 1519157114Sscottl dir = 0; 1520157114Sscottl if (cm->cm_flags & MFI_CMD_DATAIN) { 1521157114Sscottl dir |= BUS_DMASYNC_PREREAD; 1522157114Sscottl hdr->flags |= MFI_FRAME_DIR_READ; 1523157114Sscottl } 1524157114Sscottl if (cm->cm_flags & MFI_CMD_DATAOUT) { 1525157114Sscottl dir |= BUS_DMASYNC_PREWRITE; 1526157114Sscottl hdr->flags |= MFI_FRAME_DIR_WRITE; 1527157114Sscottl } 1528157114Sscottl bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, dir); 1529157114Sscottl cm->cm_flags |= MFI_CMD_MAPPED; 1530157114Sscottl 1531157114Sscottl /* 1532157114Sscottl * Instead of calculating the total number of frames in the 1533157114Sscottl * compound frame, it's already assumed that there will be at 1534157114Sscottl * least 1 frame, so don't compensate for the modulo of the 1535157114Sscottl * following division. 1536157114Sscottl */ 1537162458Sscottl cm->cm_total_frame_size += (sc->mfi_sge_size * nsegs); 1538157114Sscottl cm->cm_extra_frames = (cm->cm_total_frame_size - 1) / MFI_FRAME_SIZE; 1539157114Sscottl 1540164375Sscottl mfi_send_frame(sc, cm); 1541157114Sscottl 1542157114Sscottl return; 1543157114Sscottl} 1544157114Sscottl 1545157114Sscottlstatic int 1546157114Sscottlmfi_send_frame(struct mfi_softc *sc, struct mfi_command *cm) 1547157114Sscottl{ 1548164375Sscottl struct mfi_frame_header *hdr; 1549165225Sambrisko int tm = MFI_POLL_TIMEOUT_SECS * 1000; 1550157114Sscottl 1551164375Sscottl hdr = &cm->cm_frame->header; 1552164375Sscottl 1553164375Sscottl if ((cm->cm_flags & MFI_CMD_POLLED) == 0) { 1554164375Sscottl cm->cm_timestamp = time_uptime; 1555164375Sscottl mfi_enqueue_busy(cm); 1556164375Sscottl } else { 1557224039Sjhb hdr->cmd_status = MFI_STAT_INVALID_STATUS; 1558164375Sscottl hdr->flags |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE; 1559164375Sscottl } 1560164375Sscottl 1561157114Sscottl /* 1562157114Sscottl * The bus address of the command is aligned on a 64 byte boundary, 1563157114Sscottl * leaving the least 6 bits as zero. For whatever reason, the 1564157114Sscottl * hardware wants the address shifted right by three, leaving just 1565162458Sscottl * 3 zero bits. These three bits are then used as a prefetching 1566162458Sscottl * hint for the hardware to predict how many frames need to be 1567162458Sscottl * fetched across the bus. If a command has more than 8 frames 1568162458Sscottl * then the 3 bits are set to 0x7 and the firmware uses other 1569162458Sscottl * information in the command to determine the total amount to fetch. 1570162458Sscottl * However, FreeBSD doesn't support I/O larger than 128K, so 8 frames 1571162458Sscottl * is enough for both 32bit and 64bit systems. 1572157114Sscottl */ 1573162458Sscottl if (cm->cm_extra_frames > 7) 1574162458Sscottl cm->cm_extra_frames = 7; 1575162458Sscottl 1576171980Sscottl sc->mfi_issue_cmd(sc,cm->cm_frame_busaddr,cm->cm_extra_frames); 1577164375Sscottl 1578164375Sscottl if ((cm->cm_flags & MFI_CMD_POLLED) == 0) 1579164375Sscottl return (0); 1580164375Sscottl 1581164375Sscottl /* This is a polled command, so busy-wait for it to complete. */ 1582224039Sjhb while (hdr->cmd_status == MFI_STAT_INVALID_STATUS) { 1583164375Sscottl DELAY(1000); 1584165225Sambrisko tm -= 1; 1585164375Sscottl if (tm <= 0) 1586164375Sscottl break; 1587164375Sscottl } 1588164375Sscottl 1589224039Sjhb if (hdr->cmd_status == MFI_STAT_INVALID_STATUS) { 1590165225Sambrisko device_printf(sc->mfi_dev, "Frame %p timed out " 1591165225Sambrisko "command 0x%X\n", hdr, cm->cm_frame->dcmd.opcode); 1592164375Sscottl return (ETIMEDOUT); 1593164375Sscottl } 1594164375Sscottl 1595157114Sscottl return (0); 1596157114Sscottl} 1597157114Sscottl 1598157114Sscottlstatic void 1599157114Sscottlmfi_complete(struct mfi_softc *sc, struct mfi_command *cm) 1600157114Sscottl{ 1601157114Sscottl int dir; 1602157114Sscottl 1603157114Sscottl if ((cm->cm_flags & MFI_CMD_MAPPED) != 0) { 1604157114Sscottl dir = 0; 1605157114Sscottl if (cm->cm_flags & MFI_CMD_DATAIN) 1606157114Sscottl dir |= BUS_DMASYNC_POSTREAD; 1607157114Sscottl if (cm->cm_flags & MFI_CMD_DATAOUT) 1608157114Sscottl dir |= BUS_DMASYNC_POSTWRITE; 1609157114Sscottl 1610157114Sscottl bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, dir); 1611157114Sscottl bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 1612157114Sscottl cm->cm_flags &= ~MFI_CMD_MAPPED; 1613157114Sscottl } 1614157114Sscottl 1615170284Sambrisko cm->cm_flags |= MFI_CMD_COMPLETED; 1616170284Sambrisko 1617157114Sscottl if (cm->cm_complete != NULL) 1618157114Sscottl cm->cm_complete(cm); 1619159811Sps else 1620159811Sps wakeup(cm); 1621157114Sscottl} 1622157114Sscottl 1623158737Sambriskostatic int 1624158737Sambriskomfi_abort(struct mfi_softc *sc, struct mfi_command *cm_abort) 1625158737Sambrisko{ 1626158737Sambrisko struct mfi_command *cm; 1627158737Sambrisko struct mfi_abort_frame *abort; 1628165225Sambrisko int i = 0; 1629158737Sambrisko 1630163398Sscottl mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1631163398Sscottl 1632158737Sambrisko if ((cm = mfi_dequeue_free(sc)) == NULL) { 1633158737Sambrisko return (EBUSY); 1634158737Sambrisko } 1635158737Sambrisko 1636158737Sambrisko abort = &cm->cm_frame->abort; 1637158737Sambrisko abort->header.cmd = MFI_CMD_ABORT; 1638158737Sambrisko abort->header.flags = 0; 1639158737Sambrisko abort->abort_context = cm_abort->cm_frame->header.context; 1640158737Sambrisko abort->abort_mfi_addr_lo = cm_abort->cm_frame_busaddr; 1641158737Sambrisko abort->abort_mfi_addr_hi = 0; 1642158737Sambrisko cm->cm_data = NULL; 1643164375Sscottl cm->cm_flags = MFI_CMD_POLLED; 1644158737Sambrisko 1645158737Sambrisko sc->mfi_aen_cm->cm_aen_abort = 1; 1646158737Sambrisko mfi_mapcmd(sc, cm); 1647158737Sambrisko mfi_release_command(cm); 1648158737Sambrisko 1649165225Sambrisko while (i < 5 && sc->mfi_aen_cm != NULL) { 1650163398Sscottl msleep(&sc->mfi_aen_cm, &sc->mfi_io_lock, 0, "mfiabort", 5 * hz); 1651165225Sambrisko i++; 1652158737Sambrisko } 1653158737Sambrisko 1654158737Sambrisko return (0); 1655158737Sambrisko} 1656158737Sambrisko 1657157114Sscottlint 1658157114Sscottlmfi_dump_blocks(struct mfi_softc *sc, int id, uint64_t lba, void *virt, int len) 1659157114Sscottl{ 1660157114Sscottl struct mfi_command *cm; 1661157114Sscottl struct mfi_io_frame *io; 1662157114Sscottl int error; 1663157114Sscottl 1664157114Sscottl if ((cm = mfi_dequeue_free(sc)) == NULL) 1665157114Sscottl return (EBUSY); 1666157114Sscottl 1667157114Sscottl io = &cm->cm_frame->io; 1668157114Sscottl io->header.cmd = MFI_CMD_LD_WRITE; 1669157114Sscottl io->header.target_id = id; 1670157114Sscottl io->header.timeout = 0; 1671157114Sscottl io->header.flags = 0; 1672157114Sscottl io->header.sense_len = MFI_SENSE_LEN; 1673157114Sscottl io->header.data_len = (len + MFI_SECTOR_LEN - 1) / MFI_SECTOR_LEN; 1674157114Sscottl io->sense_addr_lo = cm->cm_sense_busaddr; 1675157114Sscottl io->sense_addr_hi = 0; 1676157114Sscottl io->lba_hi = (lba & 0xffffffff00000000) >> 32; 1677157114Sscottl io->lba_lo = lba & 0xffffffff; 1678157114Sscottl cm->cm_data = virt; 1679157114Sscottl cm->cm_len = len; 1680157114Sscottl cm->cm_sg = &io->sgl; 1681157114Sscottl cm->cm_total_frame_size = MFI_IO_FRAME_SIZE; 1682157114Sscottl cm->cm_flags = MFI_CMD_POLLED | MFI_CMD_DATAOUT; 1683157114Sscottl 1684164375Sscottl error = mfi_mapcmd(sc, cm); 1685157114Sscottl bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 1686157114Sscottl BUS_DMASYNC_POSTWRITE); 1687157114Sscottl bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 1688157114Sscottl mfi_release_command(cm); 1689157114Sscottl 1690157114Sscottl return (error); 1691157114Sscottl} 1692157114Sscottl 1693157114Sscottlstatic int 1694192450Simpmfi_open(struct cdev *dev, int flags, int fmt, struct thread *td) 1695157114Sscottl{ 1696157114Sscottl struct mfi_softc *sc; 1697171822Sjhb int error; 1698157114Sscottl 1699157114Sscottl sc = dev->si_drv1; 1700163398Sscottl 1701163398Sscottl mtx_lock(&sc->mfi_io_lock); 1702171822Sjhb if (sc->mfi_detaching) 1703171822Sjhb error = ENXIO; 1704171822Sjhb else { 1705171822Sjhb sc->mfi_flags |= MFI_FLAGS_OPEN; 1706171822Sjhb error = 0; 1707171822Sjhb } 1708163398Sscottl mtx_unlock(&sc->mfi_io_lock); 1709157114Sscottl 1710171822Sjhb return (error); 1711157114Sscottl} 1712157114Sscottl 1713157114Sscottlstatic int 1714192450Simpmfi_close(struct cdev *dev, int flags, int fmt, struct thread *td) 1715157114Sscottl{ 1716157114Sscottl struct mfi_softc *sc; 1717163398Sscottl struct mfi_aen *mfi_aen_entry, *tmp; 1718157114Sscottl 1719157114Sscottl sc = dev->si_drv1; 1720163398Sscottl 1721163398Sscottl mtx_lock(&sc->mfi_io_lock); 1722157114Sscottl sc->mfi_flags &= ~MFI_FLAGS_OPEN; 1723157114Sscottl 1724163398Sscottl TAILQ_FOREACH_SAFE(mfi_aen_entry, &sc->mfi_aen_pids, aen_link, tmp) { 1725158737Sambrisko if (mfi_aen_entry->p == curproc) { 1726158737Sambrisko TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry, 1727158737Sambrisko aen_link); 1728158737Sambrisko free(mfi_aen_entry, M_MFIBUF); 1729158737Sambrisko } 1730158737Sambrisko } 1731163398Sscottl mtx_unlock(&sc->mfi_io_lock); 1732157114Sscottl return (0); 1733157114Sscottl} 1734157114Sscottl 1735157114Sscottlstatic int 1736171821Sjhbmfi_config_lock(struct mfi_softc *sc, uint32_t opcode) 1737171821Sjhb{ 1738171821Sjhb 1739171821Sjhb switch (opcode) { 1740171821Sjhb case MFI_DCMD_LD_DELETE: 1741171821Sjhb case MFI_DCMD_CFG_ADD: 1742171821Sjhb case MFI_DCMD_CFG_CLEAR: 1743171821Sjhb sx_xlock(&sc->mfi_config_lock); 1744171821Sjhb return (1); 1745171821Sjhb default: 1746171821Sjhb return (0); 1747171821Sjhb } 1748171821Sjhb} 1749171821Sjhb 1750171821Sjhbstatic void 1751171821Sjhbmfi_config_unlock(struct mfi_softc *sc, int locked) 1752171821Sjhb{ 1753171821Sjhb 1754171821Sjhb if (locked) 1755171821Sjhb sx_xunlock(&sc->mfi_config_lock); 1756171821Sjhb} 1757171821Sjhb 1758171821Sjhb/* Perform pre-issue checks on commands from userland and possibly veto them. */ 1759171821Sjhbstatic int 1760171821Sjhbmfi_check_command_pre(struct mfi_softc *sc, struct mfi_command *cm) 1761171821Sjhb{ 1762171821Sjhb struct mfi_disk *ld, *ld2; 1763171821Sjhb int error; 1764171821Sjhb 1765171821Sjhb mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1766171821Sjhb error = 0; 1767171821Sjhb switch (cm->cm_frame->dcmd.opcode) { 1768171821Sjhb case MFI_DCMD_LD_DELETE: 1769171821Sjhb TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) { 1770171821Sjhb if (ld->ld_id == cm->cm_frame->dcmd.mbox[0]) 1771171821Sjhb break; 1772171821Sjhb } 1773171821Sjhb if (ld == NULL) 1774171821Sjhb error = ENOENT; 1775171821Sjhb else 1776171821Sjhb error = mfi_disk_disable(ld); 1777171821Sjhb break; 1778171821Sjhb case MFI_DCMD_CFG_CLEAR: 1779171821Sjhb TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) { 1780171821Sjhb error = mfi_disk_disable(ld); 1781171821Sjhb if (error) 1782171821Sjhb break; 1783171821Sjhb } 1784171821Sjhb if (error) { 1785171821Sjhb TAILQ_FOREACH(ld2, &sc->mfi_ld_tqh, ld_link) { 1786171821Sjhb if (ld2 == ld) 1787171821Sjhb break; 1788171821Sjhb mfi_disk_enable(ld2); 1789171821Sjhb } 1790171821Sjhb } 1791171821Sjhb break; 1792171821Sjhb default: 1793171821Sjhb break; 1794171821Sjhb } 1795171821Sjhb return (error); 1796171821Sjhb} 1797171821Sjhb 1798171821Sjhb/* Perform post-issue checks on commands from userland. */ 1799171821Sjhbstatic void 1800171821Sjhbmfi_check_command_post(struct mfi_softc *sc, struct mfi_command *cm) 1801171821Sjhb{ 1802171821Sjhb struct mfi_disk *ld, *ldn; 1803171821Sjhb 1804171821Sjhb switch (cm->cm_frame->dcmd.opcode) { 1805171821Sjhb case MFI_DCMD_LD_DELETE: 1806171821Sjhb TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) { 1807171821Sjhb if (ld->ld_id == cm->cm_frame->dcmd.mbox[0]) 1808171821Sjhb break; 1809171821Sjhb } 1810171821Sjhb KASSERT(ld != NULL, ("volume dissappeared")); 1811171821Sjhb if (cm->cm_frame->header.cmd_status == MFI_STAT_OK) { 1812171821Sjhb mtx_unlock(&sc->mfi_io_lock); 1813196403Sjhb mtx_lock(&Giant); 1814171821Sjhb device_delete_child(sc->mfi_dev, ld->ld_dev); 1815196403Sjhb mtx_unlock(&Giant); 1816171821Sjhb mtx_lock(&sc->mfi_io_lock); 1817171821Sjhb } else 1818171821Sjhb mfi_disk_enable(ld); 1819171821Sjhb break; 1820171821Sjhb case MFI_DCMD_CFG_CLEAR: 1821171821Sjhb if (cm->cm_frame->header.cmd_status == MFI_STAT_OK) { 1822171821Sjhb mtx_unlock(&sc->mfi_io_lock); 1823196403Sjhb mtx_lock(&Giant); 1824171821Sjhb TAILQ_FOREACH_SAFE(ld, &sc->mfi_ld_tqh, ld_link, ldn) { 1825171821Sjhb device_delete_child(sc->mfi_dev, ld->ld_dev); 1826171821Sjhb } 1827196403Sjhb mtx_unlock(&Giant); 1828171821Sjhb mtx_lock(&sc->mfi_io_lock); 1829171821Sjhb } else { 1830171821Sjhb TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) 1831171821Sjhb mfi_disk_enable(ld); 1832171821Sjhb } 1833171821Sjhb break; 1834171821Sjhb case MFI_DCMD_CFG_ADD: 1835171821Sjhb mfi_ldprobe(sc); 1836171821Sjhb break; 1837184897Sambrisko case MFI_DCMD_CFG_FOREIGN_IMPORT: 1838184897Sambrisko mfi_ldprobe(sc); 1839184897Sambrisko break; 1840171821Sjhb } 1841171821Sjhb} 1842171821Sjhb 1843171821Sjhbstatic int 1844178968Sscottlmfi_user_command(struct mfi_softc *sc, struct mfi_ioc_passthru *ioc) 1845178968Sscottl{ 1846178968Sscottl struct mfi_command *cm; 1847178968Sscottl struct mfi_dcmd_frame *dcmd; 1848178968Sscottl void *ioc_buf = NULL; 1849178968Sscottl uint32_t context; 1850178968Sscottl int error = 0, locked; 1851178968Sscottl 1852178968Sscottl 1853178968Sscottl if (ioc->buf_size > 0) { 1854178968Sscottl ioc_buf = malloc(ioc->buf_size, M_MFIBUF, M_WAITOK); 1855178968Sscottl if (ioc_buf == NULL) { 1856178968Sscottl return (ENOMEM); 1857178968Sscottl } 1858178968Sscottl error = copyin(ioc->buf, ioc_buf, ioc->buf_size); 1859178968Sscottl if (error) { 1860178968Sscottl device_printf(sc->mfi_dev, "failed to copyin\n"); 1861178968Sscottl free(ioc_buf, M_MFIBUF); 1862178968Sscottl return (error); 1863178968Sscottl } 1864178968Sscottl } 1865178968Sscottl 1866178968Sscottl locked = mfi_config_lock(sc, ioc->ioc_frame.opcode); 1867178968Sscottl 1868178968Sscottl mtx_lock(&sc->mfi_io_lock); 1869178968Sscottl while ((cm = mfi_dequeue_free(sc)) == NULL) 1870178968Sscottl msleep(mfi_user_command, &sc->mfi_io_lock, 0, "mfiioc", hz); 1871178968Sscottl 1872178968Sscottl /* Save context for later */ 1873178968Sscottl context = cm->cm_frame->header.context; 1874178968Sscottl 1875178968Sscottl dcmd = &cm->cm_frame->dcmd; 1876178968Sscottl bcopy(&ioc->ioc_frame, dcmd, sizeof(struct mfi_dcmd_frame)); 1877178968Sscottl 1878178968Sscottl cm->cm_sg = &dcmd->sgl; 1879178968Sscottl cm->cm_total_frame_size = MFI_DCMD_FRAME_SIZE; 1880178968Sscottl cm->cm_data = ioc_buf; 1881178968Sscottl cm->cm_len = ioc->buf_size; 1882178968Sscottl 1883178968Sscottl /* restore context */ 1884178968Sscottl cm->cm_frame->header.context = context; 1885178968Sscottl 1886178968Sscottl /* Cheat since we don't know if we're writing or reading */ 1887178968Sscottl cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_DATAOUT; 1888178968Sscottl 1889178968Sscottl error = mfi_check_command_pre(sc, cm); 1890178968Sscottl if (error) 1891178968Sscottl goto out; 1892178968Sscottl 1893178968Sscottl error = mfi_wait_command(sc, cm); 1894178968Sscottl if (error) { 1895178968Sscottl device_printf(sc->mfi_dev, "ioctl failed %d\n", error); 1896178968Sscottl goto out; 1897178968Sscottl } 1898178968Sscottl bcopy(dcmd, &ioc->ioc_frame, sizeof(struct mfi_dcmd_frame)); 1899178968Sscottl mfi_check_command_post(sc, cm); 1900178968Sscottlout: 1901178968Sscottl mfi_release_command(cm); 1902178968Sscottl mtx_unlock(&sc->mfi_io_lock); 1903178968Sscottl mfi_config_unlock(sc, locked); 1904178968Sscottl if (ioc->buf_size > 0) 1905178968Sscottl error = copyout(ioc_buf, ioc->buf, ioc->buf_size); 1906178968Sscottl if (ioc_buf) 1907178968Sscottl free(ioc_buf, M_MFIBUF); 1908178968Sscottl return (error); 1909178968Sscottl} 1910178968Sscottl 1911178968Sscottl#ifdef __amd64__ 1912178968Sscottl#define PTRIN(p) ((void *)(uintptr_t)(p)) 1913178968Sscottl#else 1914178968Sscottl#define PTRIN(p) (p) 1915178968Sscottl#endif 1916178968Sscottl 1917178968Sscottlstatic int 1918192450Simpmfi_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td) 1919157114Sscottl{ 1920157114Sscottl struct mfi_softc *sc; 1921157114Sscottl union mfi_statrequest *ms; 1922164281Sambrisko struct mfi_ioc_packet *ioc; 1923179392Sambrisko#ifdef __amd64__ 1924179392Sambrisko struct mfi_ioc_packet32 *ioc32; 1925179392Sambrisko#endif 1926164281Sambrisko struct mfi_ioc_aen *aen; 1927164281Sambrisko struct mfi_command *cm = NULL; 1928164281Sambrisko uint32_t context; 1929184897Sambrisko union mfi_sense_ptr sense_ptr; 1930164281Sambrisko uint8_t *data = NULL, *temp; 1931164281Sambrisko int i; 1932178968Sscottl struct mfi_ioc_passthru *iop = (struct mfi_ioc_passthru *)arg; 1933178968Sscottl#ifdef __amd64__ 1934178968Sscottl struct mfi_ioc_passthru32 *iop32 = (struct mfi_ioc_passthru32 *)arg; 1935178968Sscottl struct mfi_ioc_passthru iop_swab; 1936178968Sscottl#endif 1937171821Sjhb int error, locked; 1938157114Sscottl 1939157114Sscottl sc = dev->si_drv1; 1940157114Sscottl error = 0; 1941157114Sscottl 1942157114Sscottl switch (cmd) { 1943157114Sscottl case MFIIO_STATS: 1944157114Sscottl ms = (union mfi_statrequest *)arg; 1945157114Sscottl switch (ms->ms_item) { 1946157114Sscottl case MFIQ_FREE: 1947157114Sscottl case MFIQ_BIO: 1948157114Sscottl case MFIQ_READY: 1949157114Sscottl case MFIQ_BUSY: 1950157114Sscottl bcopy(&sc->mfi_qstat[ms->ms_item], &ms->ms_qstat, 1951157114Sscottl sizeof(struct mfi_qstat)); 1952157114Sscottl break; 1953157114Sscottl default: 1954158737Sambrisko error = ENOIOCTL; 1955157114Sscottl break; 1956157114Sscottl } 1957157114Sscottl break; 1958169451Sscottl case MFIIO_QUERY_DISK: 1959169451Sscottl { 1960169451Sscottl struct mfi_query_disk *qd; 1961169451Sscottl struct mfi_disk *ld; 1962169451Sscottl 1963169451Sscottl qd = (struct mfi_query_disk *)arg; 1964169451Sscottl mtx_lock(&sc->mfi_io_lock); 1965169451Sscottl TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) { 1966169451Sscottl if (ld->ld_id == qd->array_id) 1967169451Sscottl break; 1968169451Sscottl } 1969169451Sscottl if (ld == NULL) { 1970169451Sscottl qd->present = 0; 1971169451Sscottl mtx_unlock(&sc->mfi_io_lock); 1972169451Sscottl return (0); 1973169451Sscottl } 1974169451Sscottl qd->present = 1; 1975169451Sscottl if (ld->ld_flags & MFI_DISK_FLAGS_OPEN) 1976169451Sscottl qd->open = 1; 1977169451Sscottl bzero(qd->devname, SPECNAMELEN + 1); 1978169451Sscottl snprintf(qd->devname, SPECNAMELEN, "mfid%d", ld->ld_unit); 1979169451Sscottl mtx_unlock(&sc->mfi_io_lock); 1980169451Sscottl break; 1981169451Sscottl } 1982164281Sambrisko case MFI_CMD: 1983179392Sambrisko#ifdef __amd64__ 1984179392Sambrisko case MFI_CMD32: 1985179392Sambrisko#endif 1986177489Sambrisko { 1987177489Sambrisko devclass_t devclass; 1988164281Sambrisko ioc = (struct mfi_ioc_packet *)arg; 1989177489Sambrisko int adapter; 1990164281Sambrisko 1991177489Sambrisko adapter = ioc->mfi_adapter_no; 1992177489Sambrisko if (device_get_unit(sc->mfi_dev) == 0 && adapter != 0) { 1993177489Sambrisko devclass = devclass_find("mfi"); 1994177489Sambrisko sc = devclass_get_softc(devclass, adapter); 1995177489Sambrisko } 1996164281Sambrisko mtx_lock(&sc->mfi_io_lock); 1997164281Sambrisko if ((cm = mfi_dequeue_free(sc)) == NULL) { 1998164281Sambrisko mtx_unlock(&sc->mfi_io_lock); 1999164281Sambrisko return (EBUSY); 2000164281Sambrisko } 2001164281Sambrisko mtx_unlock(&sc->mfi_io_lock); 2002171821Sjhb locked = 0; 2003164281Sambrisko 2004164281Sambrisko /* 2005164281Sambrisko * save off original context since copying from user 2006164281Sambrisko * will clobber some data 2007164281Sambrisko */ 2008164281Sambrisko context = cm->cm_frame->header.context; 2009164281Sambrisko 2010165225Sambrisko bcopy(ioc->mfi_frame.raw, cm->cm_frame, 2011184897Sambrisko 2 * MFI_DCMD_FRAME_SIZE); /* this isn't quite right */ 2012184897Sambrisko cm->cm_total_frame_size = (sizeof(union mfi_sgl) 2013184897Sambrisko * ioc->mfi_sge_count) + ioc->mfi_sgl_off; 2014175897Sambrisko if (ioc->mfi_sge_count) { 2015175897Sambrisko cm->cm_sg = 2016175897Sambrisko (union mfi_sgl *)&cm->cm_frame->bytes[ioc->mfi_sgl_off]; 2017175897Sambrisko } 2018175897Sambrisko cm->cm_flags = 0; 2019175897Sambrisko if (cm->cm_frame->header.flags & MFI_FRAME_DATAIN) 2020175897Sambrisko cm->cm_flags |= MFI_CMD_DATAIN; 2021175897Sambrisko if (cm->cm_frame->header.flags & MFI_FRAME_DATAOUT) 2022175897Sambrisko cm->cm_flags |= MFI_CMD_DATAOUT; 2023175897Sambrisko /* Legacy app shim */ 2024175897Sambrisko if (cm->cm_flags == 0) 2025175897Sambrisko cm->cm_flags |= MFI_CMD_DATAIN | MFI_CMD_DATAOUT; 2026164281Sambrisko cm->cm_len = cm->cm_frame->header.data_len; 2027184897Sambrisko if (cm->cm_len && 2028184897Sambrisko (cm->cm_flags & (MFI_CMD_DATAIN | MFI_CMD_DATAOUT))) { 2029175897Sambrisko cm->cm_data = data = malloc(cm->cm_len, M_MFIBUF, 2030175897Sambrisko M_WAITOK | M_ZERO); 2031175897Sambrisko if (cm->cm_data == NULL) { 2032175897Sambrisko device_printf(sc->mfi_dev, "Malloc failed\n"); 2033175897Sambrisko goto out; 2034175897Sambrisko } 2035175897Sambrisko } else { 2036175897Sambrisko cm->cm_data = 0; 2037165225Sambrisko } 2038164281Sambrisko 2039164281Sambrisko /* restore header context */ 2040164281Sambrisko cm->cm_frame->header.context = context; 2041164281Sambrisko 2042164281Sambrisko temp = data; 2043175897Sambrisko if (cm->cm_flags & MFI_CMD_DATAOUT) { 2044175897Sambrisko for (i = 0; i < ioc->mfi_sge_count; i++) { 2045179392Sambrisko#ifdef __amd64__ 2046179392Sambrisko if (cmd == MFI_CMD) { 2047179392Sambrisko /* Native */ 2048179392Sambrisko error = copyin(ioc->mfi_sgl[i].iov_base, 2049179392Sambrisko temp, 2050179392Sambrisko ioc->mfi_sgl[i].iov_len); 2051179392Sambrisko } else { 2052179392Sambrisko void *temp_convert; 2053179392Sambrisko /* 32bit */ 2054179392Sambrisko ioc32 = (struct mfi_ioc_packet32 *)ioc; 2055179392Sambrisko temp_convert = 2056179392Sambrisko PTRIN(ioc32->mfi_sgl[i].iov_base); 2057179392Sambrisko error = copyin(temp_convert, 2058179392Sambrisko temp, 2059179392Sambrisko ioc32->mfi_sgl[i].iov_len); 2060179392Sambrisko } 2061179392Sambrisko#else 2062175897Sambrisko error = copyin(ioc->mfi_sgl[i].iov_base, 2063175897Sambrisko temp, 2064175897Sambrisko ioc->mfi_sgl[i].iov_len); 2065179392Sambrisko#endif 2066175897Sambrisko if (error != 0) { 2067175897Sambrisko device_printf(sc->mfi_dev, 2068175897Sambrisko "Copy in failed\n"); 2069175897Sambrisko goto out; 2070175897Sambrisko } 2071175897Sambrisko temp = &temp[ioc->mfi_sgl[i].iov_len]; 2072164281Sambrisko } 2073164281Sambrisko } 2074164281Sambrisko 2075171821Sjhb if (cm->cm_frame->header.cmd == MFI_CMD_DCMD) 2076171821Sjhb locked = mfi_config_lock(sc, cm->cm_frame->dcmd.opcode); 2077171821Sjhb 2078184933Sambrisko if (cm->cm_frame->header.cmd == MFI_CMD_PD_SCSI_IO) { 2079184933Sambrisko cm->cm_frame->pass.sense_addr_lo = cm->cm_sense_busaddr; 2080184933Sambrisko cm->cm_frame->pass.sense_addr_hi = 0; 2081184933Sambrisko } 2082184933Sambrisko 2083164281Sambrisko mtx_lock(&sc->mfi_io_lock); 2084171821Sjhb error = mfi_check_command_pre(sc, cm); 2085171821Sjhb if (error) { 2086171821Sjhb mtx_unlock(&sc->mfi_io_lock); 2087171821Sjhb goto out; 2088171821Sjhb } 2089171821Sjhb 2090170284Sambrisko if ((error = mfi_wait_command(sc, cm)) != 0) { 2091164281Sambrisko device_printf(sc->mfi_dev, 2092165225Sambrisko "Controller polled failed\n"); 2093164281Sambrisko mtx_unlock(&sc->mfi_io_lock); 2094164281Sambrisko goto out; 2095164281Sambrisko } 2096164281Sambrisko 2097171821Sjhb mfi_check_command_post(sc, cm); 2098164281Sambrisko mtx_unlock(&sc->mfi_io_lock); 2099164281Sambrisko 2100164281Sambrisko temp = data; 2101175897Sambrisko if (cm->cm_flags & MFI_CMD_DATAIN) { 2102175897Sambrisko for (i = 0; i < ioc->mfi_sge_count; i++) { 2103179392Sambrisko#ifdef __amd64__ 2104179392Sambrisko if (cmd == MFI_CMD) { 2105179392Sambrisko /* Native */ 2106179392Sambrisko error = copyout(temp, 2107179392Sambrisko ioc->mfi_sgl[i].iov_base, 2108179392Sambrisko ioc->mfi_sgl[i].iov_len); 2109179392Sambrisko } else { 2110179392Sambrisko void *temp_convert; 2111179392Sambrisko /* 32bit */ 2112179392Sambrisko ioc32 = (struct mfi_ioc_packet32 *)ioc; 2113179392Sambrisko temp_convert = 2114179392Sambrisko PTRIN(ioc32->mfi_sgl[i].iov_base); 2115179392Sambrisko error = copyout(temp, 2116179392Sambrisko temp_convert, 2117179392Sambrisko ioc32->mfi_sgl[i].iov_len); 2118179392Sambrisko } 2119179392Sambrisko#else 2120175897Sambrisko error = copyout(temp, 2121175897Sambrisko ioc->mfi_sgl[i].iov_base, 2122175897Sambrisko ioc->mfi_sgl[i].iov_len); 2123179392Sambrisko#endif 2124175897Sambrisko if (error != 0) { 2125175897Sambrisko device_printf(sc->mfi_dev, 2126175897Sambrisko "Copy out failed\n"); 2127175897Sambrisko goto out; 2128175897Sambrisko } 2129175897Sambrisko temp = &temp[ioc->mfi_sgl[i].iov_len]; 2130164281Sambrisko } 2131164281Sambrisko } 2132164281Sambrisko 2133165225Sambrisko if (ioc->mfi_sense_len) { 2134184897Sambrisko /* get user-space sense ptr then copy out sense */ 2135184897Sambrisko bcopy(&((struct mfi_ioc_packet*)arg) 2136184897Sambrisko ->mfi_frame.raw[ioc->mfi_sense_off], 2137184897Sambrisko &sense_ptr.sense_ptr_data[0], 2138184897Sambrisko sizeof(sense_ptr.sense_ptr_data)); 2139184974Sambrisko#ifdef __amd64__ 2140184974Sambrisko if (cmd != MFI_CMD) { 2141184974Sambrisko /* 2142184974Sambrisko * not 64bit native so zero out any address 2143184974Sambrisko * over 32bit */ 2144184975Sambrisko sense_ptr.addr.high = 0; 2145184974Sambrisko } 2146184974Sambrisko#endif 2147184897Sambrisko error = copyout(cm->cm_sense, sense_ptr.user_space, 2148165225Sambrisko ioc->mfi_sense_len); 2149164281Sambrisko if (error != 0) { 2150164281Sambrisko device_printf(sc->mfi_dev, 2151165225Sambrisko "Copy out failed\n"); 2152164281Sambrisko goto out; 2153164281Sambrisko } 2154164281Sambrisko } 2155164281Sambrisko 2156165225Sambrisko ioc->mfi_frame.hdr.cmd_status = cm->cm_frame->header.cmd_status; 2157164281Sambriskoout: 2158171821Sjhb mfi_config_unlock(sc, locked); 2159164281Sambrisko if (data) 2160164281Sambrisko free(data, M_MFIBUF); 2161164281Sambrisko if (cm) { 2162164281Sambrisko mtx_lock(&sc->mfi_io_lock); 2163164281Sambrisko mfi_release_command(cm); 2164164281Sambrisko mtx_unlock(&sc->mfi_io_lock); 2165164281Sambrisko } 2166164281Sambrisko 2167164281Sambrisko break; 2168177489Sambrisko } 2169164281Sambrisko case MFI_SET_AEN: 2170164281Sambrisko aen = (struct mfi_ioc_aen *)arg; 2171164281Sambrisko error = mfi_aen_register(sc, aen->aen_seq_num, 2172164281Sambrisko aen->aen_class_locale); 2173164281Sambrisko 2174164281Sambrisko break; 2175164281Sambrisko case MFI_LINUX_CMD_2: /* Firmware Linux ioctl shim */ 2176158737Sambrisko { 2177158737Sambrisko devclass_t devclass; 2178158737Sambrisko struct mfi_linux_ioc_packet l_ioc; 2179158737Sambrisko int adapter; 2180158737Sambrisko 2181158737Sambrisko devclass = devclass_find("mfi"); 2182158737Sambrisko if (devclass == NULL) 2183158737Sambrisko return (ENOENT); 2184158737Sambrisko 2185158737Sambrisko error = copyin(arg, &l_ioc, sizeof(l_ioc)); 2186158737Sambrisko if (error) 2187158737Sambrisko return (error); 2188158737Sambrisko adapter = l_ioc.lioc_adapter_no; 2189158737Sambrisko sc = devclass_get_softc(devclass, adapter); 2190158737Sambrisko if (sc == NULL) 2191158737Sambrisko return (ENOENT); 2192158737Sambrisko return (mfi_linux_ioctl_int(sc->mfi_cdev, 2193158737Sambrisko cmd, arg, flag, td)); 2194158737Sambrisko break; 2195158737Sambrisko } 2196164281Sambrisko case MFI_LINUX_SET_AEN_2: /* AEN Linux ioctl shim */ 2197158737Sambrisko { 2198158737Sambrisko devclass_t devclass; 2199158737Sambrisko struct mfi_linux_ioc_aen l_aen; 2200158737Sambrisko int adapter; 2201158737Sambrisko 2202158737Sambrisko devclass = devclass_find("mfi"); 2203158737Sambrisko if (devclass == NULL) 2204158737Sambrisko return (ENOENT); 2205158737Sambrisko 2206158737Sambrisko error = copyin(arg, &l_aen, sizeof(l_aen)); 2207158737Sambrisko if (error) 2208158737Sambrisko return (error); 2209158737Sambrisko adapter = l_aen.laen_adapter_no; 2210158737Sambrisko sc = devclass_get_softc(devclass, adapter); 2211158737Sambrisko if (sc == NULL) 2212158737Sambrisko return (ENOENT); 2213158737Sambrisko return (mfi_linux_ioctl_int(sc->mfi_cdev, 2214158737Sambrisko cmd, arg, flag, td)); 2215158737Sambrisko break; 2216158737Sambrisko } 2217178968Sscottl#ifdef __amd64__ 2218178968Sscottl case MFIIO_PASSTHRU32: 2219178968Sscottl iop_swab.ioc_frame = iop32->ioc_frame; 2220178968Sscottl iop_swab.buf_size = iop32->buf_size; 2221178968Sscottl iop_swab.buf = PTRIN(iop32->buf); 2222178968Sscottl iop = &iop_swab; 2223178968Sscottl /* FALLTHROUGH */ 2224178968Sscottl#endif 2225178968Sscottl case MFIIO_PASSTHRU: 2226178968Sscottl error = mfi_user_command(sc, iop); 2227178968Sscottl#ifdef __amd64__ 2228178968Sscottl if (cmd == MFIIO_PASSTHRU32) 2229178968Sscottl iop32->ioc_frame = iop_swab.ioc_frame; 2230178968Sscottl#endif 2231178968Sscottl break; 2232157114Sscottl default: 2233163398Sscottl device_printf(sc->mfi_dev, "IOCTL 0x%lx not handled\n", cmd); 2234157114Sscottl error = ENOENT; 2235157114Sscottl break; 2236157114Sscottl } 2237157114Sscottl 2238157114Sscottl return (error); 2239157114Sscottl} 2240158737Sambrisko 2241158737Sambriskostatic int 2242192450Simpmfi_linux_ioctl_int(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td) 2243158737Sambrisko{ 2244158737Sambrisko struct mfi_softc *sc; 2245158737Sambrisko struct mfi_linux_ioc_packet l_ioc; 2246158737Sambrisko struct mfi_linux_ioc_aen l_aen; 2247158737Sambrisko struct mfi_command *cm = NULL; 2248158737Sambrisko struct mfi_aen *mfi_aen_entry; 2249184897Sambrisko union mfi_sense_ptr sense_ptr; 2250158737Sambrisko uint32_t context; 2251158737Sambrisko uint8_t *data = NULL, *temp; 2252158737Sambrisko int i; 2253171821Sjhb int error, locked; 2254158737Sambrisko 2255158737Sambrisko sc = dev->si_drv1; 2256158737Sambrisko error = 0; 2257158737Sambrisko switch (cmd) { 2258164281Sambrisko case MFI_LINUX_CMD_2: /* Firmware Linux ioctl shim */ 2259158737Sambrisko error = copyin(arg, &l_ioc, sizeof(l_ioc)); 2260158737Sambrisko if (error != 0) 2261158737Sambrisko return (error); 2262158737Sambrisko 2263158737Sambrisko if (l_ioc.lioc_sge_count > MAX_LINUX_IOCTL_SGE) { 2264158737Sambrisko return (EINVAL); 2265158737Sambrisko } 2266158737Sambrisko 2267158737Sambrisko mtx_lock(&sc->mfi_io_lock); 2268158737Sambrisko if ((cm = mfi_dequeue_free(sc)) == NULL) { 2269158737Sambrisko mtx_unlock(&sc->mfi_io_lock); 2270158737Sambrisko return (EBUSY); 2271158737Sambrisko } 2272158737Sambrisko mtx_unlock(&sc->mfi_io_lock); 2273171821Sjhb locked = 0; 2274158737Sambrisko 2275158737Sambrisko /* 2276158737Sambrisko * save off original context since copying from user 2277158737Sambrisko * will clobber some data 2278158737Sambrisko */ 2279158737Sambrisko context = cm->cm_frame->header.context; 2280158737Sambrisko 2281158737Sambrisko bcopy(l_ioc.lioc_frame.raw, cm->cm_frame, 2282175897Sambrisko 2 * MFI_DCMD_FRAME_SIZE); /* this isn't quite right */ 2283184897Sambrisko cm->cm_total_frame_size = (sizeof(union mfi_sgl) 2284184897Sambrisko * l_ioc.lioc_sge_count) + l_ioc.lioc_sgl_off; 2285175897Sambrisko if (l_ioc.lioc_sge_count) 2286175897Sambrisko cm->cm_sg = 2287175897Sambrisko (union mfi_sgl *)&cm->cm_frame->bytes[l_ioc.lioc_sgl_off]; 2288175897Sambrisko cm->cm_flags = 0; 2289175897Sambrisko if (cm->cm_frame->header.flags & MFI_FRAME_DATAIN) 2290175897Sambrisko cm->cm_flags |= MFI_CMD_DATAIN; 2291175897Sambrisko if (cm->cm_frame->header.flags & MFI_FRAME_DATAOUT) 2292175897Sambrisko cm->cm_flags |= MFI_CMD_DATAOUT; 2293158737Sambrisko cm->cm_len = cm->cm_frame->header.data_len; 2294184897Sambrisko if (cm->cm_len && 2295184897Sambrisko (cm->cm_flags & (MFI_CMD_DATAIN | MFI_CMD_DATAOUT))) { 2296175897Sambrisko cm->cm_data = data = malloc(cm->cm_len, M_MFIBUF, 2297175897Sambrisko M_WAITOK | M_ZERO); 2298175897Sambrisko if (cm->cm_data == NULL) { 2299175897Sambrisko device_printf(sc->mfi_dev, "Malloc failed\n"); 2300175897Sambrisko goto out; 2301175897Sambrisko } 2302175897Sambrisko } else { 2303175897Sambrisko cm->cm_data = 0; 2304175897Sambrisko } 2305158737Sambrisko 2306158737Sambrisko /* restore header context */ 2307158737Sambrisko cm->cm_frame->header.context = context; 2308158737Sambrisko 2309158737Sambrisko temp = data; 2310175897Sambrisko if (cm->cm_flags & MFI_CMD_DATAOUT) { 2311175897Sambrisko for (i = 0; i < l_ioc.lioc_sge_count; i++) { 2312178968Sscottl error = copyin(PTRIN(l_ioc.lioc_sgl[i].iov_base), 2313175897Sambrisko temp, 2314175897Sambrisko l_ioc.lioc_sgl[i].iov_len); 2315175897Sambrisko if (error != 0) { 2316175897Sambrisko device_printf(sc->mfi_dev, 2317175897Sambrisko "Copy in failed\n"); 2318175897Sambrisko goto out; 2319175897Sambrisko } 2320175897Sambrisko temp = &temp[l_ioc.lioc_sgl[i].iov_len]; 2321158737Sambrisko } 2322158737Sambrisko } 2323158737Sambrisko 2324171821Sjhb if (cm->cm_frame->header.cmd == MFI_CMD_DCMD) 2325171821Sjhb locked = mfi_config_lock(sc, cm->cm_frame->dcmd.opcode); 2326171821Sjhb 2327184933Sambrisko if (cm->cm_frame->header.cmd == MFI_CMD_PD_SCSI_IO) { 2328184933Sambrisko cm->cm_frame->pass.sense_addr_lo = cm->cm_sense_busaddr; 2329184933Sambrisko cm->cm_frame->pass.sense_addr_hi = 0; 2330184933Sambrisko } 2331184933Sambrisko 2332163398Sscottl mtx_lock(&sc->mfi_io_lock); 2333171821Sjhb error = mfi_check_command_pre(sc, cm); 2334171821Sjhb if (error) { 2335171821Sjhb mtx_unlock(&sc->mfi_io_lock); 2336171821Sjhb goto out; 2337171821Sjhb } 2338171821Sjhb 2339170284Sambrisko if ((error = mfi_wait_command(sc, cm)) != 0) { 2340158737Sambrisko device_printf(sc->mfi_dev, 2341165225Sambrisko "Controller polled failed\n"); 2342163398Sscottl mtx_unlock(&sc->mfi_io_lock); 2343158737Sambrisko goto out; 2344158737Sambrisko } 2345158737Sambrisko 2346171821Sjhb mfi_check_command_post(sc, cm); 2347163398Sscottl mtx_unlock(&sc->mfi_io_lock); 2348158737Sambrisko 2349158737Sambrisko temp = data; 2350175897Sambrisko if (cm->cm_flags & MFI_CMD_DATAIN) { 2351175897Sambrisko for (i = 0; i < l_ioc.lioc_sge_count; i++) { 2352175897Sambrisko error = copyout(temp, 2353178968Sscottl PTRIN(l_ioc.lioc_sgl[i].iov_base), 2354175897Sambrisko l_ioc.lioc_sgl[i].iov_len); 2355175897Sambrisko if (error != 0) { 2356175897Sambrisko device_printf(sc->mfi_dev, 2357175897Sambrisko "Copy out failed\n"); 2358175897Sambrisko goto out; 2359175897Sambrisko } 2360175897Sambrisko temp = &temp[l_ioc.lioc_sgl[i].iov_len]; 2361158737Sambrisko } 2362158737Sambrisko } 2363158737Sambrisko 2364158737Sambrisko if (l_ioc.lioc_sense_len) { 2365184897Sambrisko /* get user-space sense ptr then copy out sense */ 2366184897Sambrisko bcopy(&((struct mfi_linux_ioc_packet*)arg) 2367184897Sambrisko ->lioc_frame.raw[l_ioc.lioc_sense_off], 2368184897Sambrisko &sense_ptr.sense_ptr_data[0], 2369184897Sambrisko sizeof(sense_ptr.sense_ptr_data)); 2370184974Sambrisko#ifdef __amd64__ 2371184974Sambrisko /* 2372184974Sambrisko * only 32bit Linux support so zero out any 2373184974Sambrisko * address over 32bit 2374184974Sambrisko */ 2375184975Sambrisko sense_ptr.addr.high = 0; 2376184974Sambrisko#endif 2377184897Sambrisko error = copyout(cm->cm_sense, sense_ptr.user_space, 2378158737Sambrisko l_ioc.lioc_sense_len); 2379158737Sambrisko if (error != 0) { 2380158737Sambrisko device_printf(sc->mfi_dev, 2381165225Sambrisko "Copy out failed\n"); 2382158737Sambrisko goto out; 2383158737Sambrisko } 2384158737Sambrisko } 2385158737Sambrisko 2386158737Sambrisko error = copyout(&cm->cm_frame->header.cmd_status, 2387158737Sambrisko &((struct mfi_linux_ioc_packet*)arg) 2388158737Sambrisko ->lioc_frame.hdr.cmd_status, 2389158737Sambrisko 1); 2390158737Sambrisko if (error != 0) { 2391158737Sambrisko device_printf(sc->mfi_dev, 2392165225Sambrisko "Copy out failed\n"); 2393158737Sambrisko goto out; 2394158737Sambrisko } 2395158737Sambrisko 2396158737Sambriskoout: 2397171821Sjhb mfi_config_unlock(sc, locked); 2398158737Sambrisko if (data) 2399158737Sambrisko free(data, M_MFIBUF); 2400158737Sambrisko if (cm) { 2401158737Sambrisko mtx_lock(&sc->mfi_io_lock); 2402158737Sambrisko mfi_release_command(cm); 2403158737Sambrisko mtx_unlock(&sc->mfi_io_lock); 2404158737Sambrisko } 2405158737Sambrisko 2406158737Sambrisko return (error); 2407164281Sambrisko case MFI_LINUX_SET_AEN_2: /* AEN Linux ioctl shim */ 2408158737Sambrisko error = copyin(arg, &l_aen, sizeof(l_aen)); 2409158737Sambrisko if (error != 0) 2410158737Sambrisko return (error); 2411158737Sambrisko printf("AEN IMPLEMENTED for pid %d\n", curproc->p_pid); 2412158737Sambrisko mfi_aen_entry = malloc(sizeof(struct mfi_aen), M_MFIBUF, 2413158737Sambrisko M_WAITOK); 2414163398Sscottl mtx_lock(&sc->mfi_io_lock); 2415158737Sambrisko if (mfi_aen_entry != NULL) { 2416158737Sambrisko mfi_aen_entry->p = curproc; 2417158737Sambrisko TAILQ_INSERT_TAIL(&sc->mfi_aen_pids, mfi_aen_entry, 2418158737Sambrisko aen_link); 2419158737Sambrisko } 2420158737Sambrisko error = mfi_aen_register(sc, l_aen.laen_seq_num, 2421158737Sambrisko l_aen.laen_class_locale); 2422158737Sambrisko 2423158737Sambrisko if (error != 0) { 2424158737Sambrisko TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry, 2425158737Sambrisko aen_link); 2426158737Sambrisko free(mfi_aen_entry, M_MFIBUF); 2427158737Sambrisko } 2428163398Sscottl mtx_unlock(&sc->mfi_io_lock); 2429158737Sambrisko 2430158737Sambrisko return (error); 2431158737Sambrisko default: 2432158737Sambrisko device_printf(sc->mfi_dev, "IOCTL 0x%lx not handled\n", cmd); 2433158737Sambrisko error = ENOENT; 2434158737Sambrisko break; 2435158737Sambrisko } 2436158737Sambrisko 2437158737Sambrisko return (error); 2438158737Sambrisko} 2439158737Sambrisko 2440158737Sambriskostatic int 2441158737Sambriskomfi_poll(struct cdev *dev, int poll_events, struct thread *td) 2442158737Sambrisko{ 2443158737Sambrisko struct mfi_softc *sc; 2444158737Sambrisko int revents = 0; 2445158737Sambrisko 2446158737Sambrisko sc = dev->si_drv1; 2447158737Sambrisko 2448158737Sambrisko if (poll_events & (POLLIN | POLLRDNORM)) { 2449163398Sscottl if (sc->mfi_aen_triggered != 0) { 2450158737Sambrisko revents |= poll_events & (POLLIN | POLLRDNORM); 2451163398Sscottl sc->mfi_aen_triggered = 0; 2452163398Sscottl } 2453158737Sambrisko if (sc->mfi_aen_triggered == 0 && sc->mfi_aen_cm == NULL) { 2454158737Sambrisko revents |= POLLERR; 2455158737Sambrisko } 2456158737Sambrisko } 2457158737Sambrisko 2458158737Sambrisko if (revents == 0) { 2459158737Sambrisko if (poll_events & (POLLIN | POLLRDNORM)) { 2460158737Sambrisko sc->mfi_poll_waiting = 1; 2461158737Sambrisko selrecord(td, &sc->mfi_select); 2462158737Sambrisko } 2463158737Sambrisko } 2464158737Sambrisko 2465158737Sambrisko return revents; 2466158737Sambrisko} 2467162619Sscottl 2468163398Sscottl 2469162619Sscottlstatic void 2470163398Sscottlmfi_dump_all(void) 2471163398Sscottl{ 2472163398Sscottl struct mfi_softc *sc; 2473163398Sscottl struct mfi_command *cm; 2474163398Sscottl devclass_t dc; 2475163398Sscottl time_t deadline; 2476163398Sscottl int timedout; 2477163398Sscottl int i; 2478163398Sscottl 2479163398Sscottl dc = devclass_find("mfi"); 2480163398Sscottl if (dc == NULL) { 2481163398Sscottl printf("No mfi dev class\n"); 2482163398Sscottl return; 2483163398Sscottl } 2484163398Sscottl 2485163398Sscottl for (i = 0; ; i++) { 2486163398Sscottl sc = devclass_get_softc(dc, i); 2487163398Sscottl if (sc == NULL) 2488163398Sscottl break; 2489163398Sscottl device_printf(sc->mfi_dev, "Dumping\n\n"); 2490163398Sscottl timedout = 0; 2491163398Sscottl deadline = time_uptime - MFI_CMD_TIMEOUT; 2492163398Sscottl mtx_lock(&sc->mfi_io_lock); 2493163398Sscottl TAILQ_FOREACH(cm, &sc->mfi_busy, cm_link) { 2494163398Sscottl if (cm->cm_timestamp < deadline) { 2495163398Sscottl device_printf(sc->mfi_dev, 2496163398Sscottl "COMMAND %p TIMEOUT AFTER %d SECONDS\n", cm, 2497163398Sscottl (int)(time_uptime - cm->cm_timestamp)); 2498163398Sscottl MFI_PRINT_CMD(cm); 2499163398Sscottl timedout++; 2500163398Sscottl } 2501163398Sscottl } 2502163398Sscottl 2503163398Sscottl#if 0 2504163398Sscottl if (timedout) 2505163398Sscottl MFI_DUMP_CMDS(SC); 2506163398Sscottl#endif 2507163398Sscottl 2508163398Sscottl mtx_unlock(&sc->mfi_io_lock); 2509163398Sscottl } 2510163398Sscottl 2511163398Sscottl return; 2512163398Sscottl} 2513163398Sscottl 2514163398Sscottlstatic void 2515162619Sscottlmfi_timeout(void *data) 2516162619Sscottl{ 2517162619Sscottl struct mfi_softc *sc = (struct mfi_softc *)data; 2518162619Sscottl struct mfi_command *cm; 2519162619Sscottl time_t deadline; 2520162619Sscottl int timedout = 0; 2521162619Sscottl 2522162619Sscottl deadline = time_uptime - MFI_CMD_TIMEOUT; 2523162619Sscottl mtx_lock(&sc->mfi_io_lock); 2524162619Sscottl TAILQ_FOREACH(cm, &sc->mfi_busy, cm_link) { 2525162688Sscottl if (sc->mfi_aen_cm == cm) 2526162688Sscottl continue; 2527163398Sscottl if ((sc->mfi_aen_cm != cm) && (cm->cm_timestamp < deadline)) { 2528162619Sscottl device_printf(sc->mfi_dev, 2529162619Sscottl "COMMAND %p TIMEOUT AFTER %d SECONDS\n", cm, 2530162619Sscottl (int)(time_uptime - cm->cm_timestamp)); 2531162619Sscottl MFI_PRINT_CMD(cm); 2532163398Sscottl MFI_VALIDATE_CMD(sc, cm); 2533162619Sscottl timedout++; 2534162619Sscottl } 2535162619Sscottl } 2536162619Sscottl 2537162619Sscottl#if 0 2538162619Sscottl if (timedout) 2539162619Sscottl MFI_DUMP_CMDS(SC); 2540162619Sscottl#endif 2541162619Sscottl 2542162619Sscottl mtx_unlock(&sc->mfi_io_lock); 2543162619Sscottl 2544162619Sscottl callout_reset(&sc->mfi_watchdog_callout, MFI_CMD_TIMEOUT * hz, 2545162619Sscottl mfi_timeout, sc); 2546162619Sscottl 2547163398Sscottl if (0) 2548163398Sscottl mfi_dump_all(); 2549162619Sscottl return; 2550162619Sscottl} 2551