mfi.c revision 222589
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 222589 2011-06-02 00:43:16Z emaste $"); 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; 263157114Sscottl default: 264157114Sscottl device_printf(sc->mfi_dev,"Unknown firmware state %d\n", 265157114Sscottl fw_state); 266157114Sscottl return (ENXIO); 267157114Sscottl } 268157114Sscottl for (i = 0; i < (max_wait * 10); i++) { 269171980Sscottl fw_state = sc->mfi_read_fw_status(sc) & MFI_FWSTATE_MASK; 270157114Sscottl if (fw_state == cur_state) 271157114Sscottl DELAY(100000); 272157114Sscottl else 273157114Sscottl break; 274157114Sscottl } 275157114Sscottl if (fw_state == cur_state) { 276157114Sscottl device_printf(sc->mfi_dev, "firmware stuck in state " 277157114Sscottl "%#x\n", fw_state); 278157114Sscottl return (ENXIO); 279157114Sscottl } 280157114Sscottl } 281157114Sscottl return (0); 282157114Sscottl} 283157114Sscottl 284157114Sscottlstatic void 285157114Sscottlmfi_addr32_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 286157114Sscottl{ 287157114Sscottl uint32_t *addr; 288157114Sscottl 289157114Sscottl addr = arg; 290157114Sscottl *addr = segs[0].ds_addr; 291157114Sscottl} 292157114Sscottl 293157114Sscottlint 294157114Sscottlmfi_attach(struct mfi_softc *sc) 295157114Sscottl{ 296157114Sscottl uint32_t status; 297157114Sscottl int error, commsz, framessz, sensesz; 298162458Sscottl int frames, unit, max_fw_sge; 299157114Sscottl 300186132Sambrisko device_printf(sc->mfi_dev, "Megaraid SAS driver Ver 3.00 \n"); 301186132Sambrisko 302157114Sscottl mtx_init(&sc->mfi_io_lock, "MFI I/O lock", NULL, MTX_DEF); 303171821Sjhb sx_init(&sc->mfi_config_lock, "MFI config"); 304157114Sscottl TAILQ_INIT(&sc->mfi_ld_tqh); 305158737Sambrisko TAILQ_INIT(&sc->mfi_aen_pids); 306169611Sscottl TAILQ_INIT(&sc->mfi_cam_ccbq); 307157114Sscottl 308157114Sscottl mfi_initq_free(sc); 309157114Sscottl mfi_initq_ready(sc); 310157114Sscottl mfi_initq_busy(sc); 311157114Sscottl mfi_initq_bio(sc); 312157114Sscottl 313171980Sscottl if (sc->mfi_flags & MFI_FLAGS_1064R) { 314171980Sscottl sc->mfi_enable_intr = mfi_enable_intr_xscale; 315171980Sscottl sc->mfi_read_fw_status = mfi_read_fw_status_xscale; 316171980Sscottl sc->mfi_check_clear_intr = mfi_check_clear_intr_xscale; 317171980Sscottl sc->mfi_issue_cmd = mfi_issue_cmd_xscale; 318171980Sscottl } 319171980Sscottl else { 320171980Sscottl sc->mfi_enable_intr = mfi_enable_intr_ppc; 321171980Sscottl sc->mfi_read_fw_status = mfi_read_fw_status_ppc; 322171980Sscottl sc->mfi_check_clear_intr = mfi_check_clear_intr_ppc; 323171980Sscottl sc->mfi_issue_cmd = mfi_issue_cmd_ppc; 324171980Sscottl } 325171980Sscottl 326171980Sscottl 327157114Sscottl /* Before we get too far, see if the firmware is working */ 328157114Sscottl if ((error = mfi_transition_firmware(sc)) != 0) { 329157114Sscottl device_printf(sc->mfi_dev, "Firmware not in READY state, " 330157114Sscottl "error %d\n", error); 331157114Sscottl return (ENXIO); 332157114Sscottl } 333157114Sscottl 334157114Sscottl /* 335157114Sscottl * Get information needed for sizing the contiguous memory for the 336157114Sscottl * frame pool. Size down the sgl parameter since we know that 337157114Sscottl * we will never need more than what's required for MAXPHYS. 338157114Sscottl * It would be nice if these constants were available at runtime 339157114Sscottl * instead of compile time. 340157114Sscottl */ 341171980Sscottl status = sc->mfi_read_fw_status(sc); 342157114Sscottl sc->mfi_max_fw_cmds = status & MFI_FWSTATE_MAXCMD_MASK; 343162458Sscottl max_fw_sge = (status & MFI_FWSTATE_MAXSGL_MASK) >> 16; 344195534Sscottl sc->mfi_max_sge = min(max_fw_sge, ((MFI_MAXPHYS / PAGE_SIZE) + 1)); 345157114Sscottl 346157114Sscottl /* 347157114Sscottl * Create the dma tag for data buffers. Used both for block I/O 348157114Sscottl * and for various internal data queries. 349157114Sscottl */ 350157114Sscottl if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 351157114Sscottl 1, 0, /* algnmnt, boundary */ 352157114Sscottl BUS_SPACE_MAXADDR, /* lowaddr */ 353157114Sscottl BUS_SPACE_MAXADDR, /* highaddr */ 354157114Sscottl NULL, NULL, /* filter, filterarg */ 355157114Sscottl BUS_SPACE_MAXSIZE_32BIT,/* maxsize */ 356162458Sscottl sc->mfi_max_sge, /* nsegments */ 357157114Sscottl BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ 358157114Sscottl BUS_DMA_ALLOCNOW, /* flags */ 359157114Sscottl busdma_lock_mutex, /* lockfunc */ 360157114Sscottl &sc->mfi_io_lock, /* lockfuncarg */ 361157114Sscottl &sc->mfi_buffer_dmat)) { 362157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate buffer DMA tag\n"); 363157114Sscottl return (ENOMEM); 364157114Sscottl } 365157114Sscottl 366157114Sscottl /* 367157114Sscottl * Allocate DMA memory for the comms queues. Keep it under 4GB for 368157114Sscottl * efficiency. The mfi_hwcomms struct includes space for 1 reply queue 369157114Sscottl * entry, so the calculated size here will be will be 1 more than 370157114Sscottl * mfi_max_fw_cmds. This is apparently a requirement of the hardware. 371157114Sscottl */ 372157114Sscottl commsz = (sizeof(uint32_t) * sc->mfi_max_fw_cmds) + 373157114Sscottl sizeof(struct mfi_hwcomms); 374157114Sscottl if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 375157114Sscottl 1, 0, /* algnmnt, boundary */ 376157114Sscottl BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 377157114Sscottl BUS_SPACE_MAXADDR, /* highaddr */ 378157114Sscottl NULL, NULL, /* filter, filterarg */ 379157114Sscottl commsz, /* maxsize */ 380157114Sscottl 1, /* msegments */ 381157114Sscottl commsz, /* maxsegsize */ 382157114Sscottl 0, /* flags */ 383157114Sscottl NULL, NULL, /* lockfunc, lockarg */ 384157114Sscottl &sc->mfi_comms_dmat)) { 385157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate comms DMA tag\n"); 386157114Sscottl return (ENOMEM); 387157114Sscottl } 388157114Sscottl if (bus_dmamem_alloc(sc->mfi_comms_dmat, (void **)&sc->mfi_comms, 389157114Sscottl BUS_DMA_NOWAIT, &sc->mfi_comms_dmamap)) { 390157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate comms memory\n"); 391157114Sscottl return (ENOMEM); 392157114Sscottl } 393157114Sscottl bzero(sc->mfi_comms, commsz); 394157114Sscottl bus_dmamap_load(sc->mfi_comms_dmat, sc->mfi_comms_dmamap, 395157114Sscottl sc->mfi_comms, commsz, mfi_addr32_cb, &sc->mfi_comms_busaddr, 0); 396157114Sscottl 397157114Sscottl /* 398157114Sscottl * Allocate DMA memory for the command frames. Keep them in the 399162458Sscottl * lower 4GB for efficiency. Calculate the size of the commands at 400162458Sscottl * the same time; each command is one 64 byte frame plus a set of 401162458Sscottl * additional frames for holding sg lists or other data. 402157114Sscottl * The assumption here is that the SG list will start at the second 403162458Sscottl * frame and not use the unused bytes in the first frame. While this 404162458Sscottl * isn't technically correct, it simplifies the calculation and allows 405162458Sscottl * for command frames that might be larger than an mfi_io_frame. 406157114Sscottl */ 407157114Sscottl if (sizeof(bus_addr_t) == 8) { 408162458Sscottl sc->mfi_sge_size = sizeof(struct mfi_sg64); 409157114Sscottl sc->mfi_flags |= MFI_FLAGS_SG64; 410157114Sscottl } else { 411162458Sscottl sc->mfi_sge_size = sizeof(struct mfi_sg32); 412157114Sscottl } 413162458Sscottl frames = (sc->mfi_sge_size * sc->mfi_max_sge - 1) / MFI_FRAME_SIZE + 2; 414162458Sscottl sc->mfi_cmd_size = frames * MFI_FRAME_SIZE; 415162458Sscottl framessz = sc->mfi_cmd_size * sc->mfi_max_fw_cmds; 416157114Sscottl if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 417157114Sscottl 64, 0, /* algnmnt, boundary */ 418157114Sscottl BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 419157114Sscottl BUS_SPACE_MAXADDR, /* highaddr */ 420157114Sscottl NULL, NULL, /* filter, filterarg */ 421157114Sscottl framessz, /* maxsize */ 422157114Sscottl 1, /* nsegments */ 423157114Sscottl framessz, /* maxsegsize */ 424157114Sscottl 0, /* flags */ 425157114Sscottl NULL, NULL, /* lockfunc, lockarg */ 426157114Sscottl &sc->mfi_frames_dmat)) { 427157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate frame DMA tag\n"); 428157114Sscottl return (ENOMEM); 429157114Sscottl } 430157114Sscottl if (bus_dmamem_alloc(sc->mfi_frames_dmat, (void **)&sc->mfi_frames, 431157114Sscottl BUS_DMA_NOWAIT, &sc->mfi_frames_dmamap)) { 432157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate frames memory\n"); 433157114Sscottl return (ENOMEM); 434157114Sscottl } 435157114Sscottl bzero(sc->mfi_frames, framessz); 436157114Sscottl bus_dmamap_load(sc->mfi_frames_dmat, sc->mfi_frames_dmamap, 437157114Sscottl sc->mfi_frames, framessz, mfi_addr32_cb, &sc->mfi_frames_busaddr,0); 438157114Sscottl 439157114Sscottl /* 440157114Sscottl * Allocate DMA memory for the frame sense data. Keep them in the 441157114Sscottl * lower 4GB for efficiency 442157114Sscottl */ 443157114Sscottl sensesz = sc->mfi_max_fw_cmds * MFI_SENSE_LEN; 444157114Sscottl if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */ 445157114Sscottl 4, 0, /* algnmnt, boundary */ 446157114Sscottl BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ 447157114Sscottl BUS_SPACE_MAXADDR, /* highaddr */ 448157114Sscottl NULL, NULL, /* filter, filterarg */ 449157114Sscottl sensesz, /* maxsize */ 450157114Sscottl 1, /* nsegments */ 451157114Sscottl sensesz, /* maxsegsize */ 452157114Sscottl 0, /* flags */ 453157114Sscottl NULL, NULL, /* lockfunc, lockarg */ 454157114Sscottl &sc->mfi_sense_dmat)) { 455157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate sense DMA tag\n"); 456157114Sscottl return (ENOMEM); 457157114Sscottl } 458157114Sscottl if (bus_dmamem_alloc(sc->mfi_sense_dmat, (void **)&sc->mfi_sense, 459157114Sscottl BUS_DMA_NOWAIT, &sc->mfi_sense_dmamap)) { 460157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate sense memory\n"); 461157114Sscottl return (ENOMEM); 462157114Sscottl } 463157114Sscottl bus_dmamap_load(sc->mfi_sense_dmat, sc->mfi_sense_dmamap, 464157114Sscottl sc->mfi_sense, sensesz, mfi_addr32_cb, &sc->mfi_sense_busaddr, 0); 465157114Sscottl 466157114Sscottl if ((error = mfi_alloc_commands(sc)) != 0) 467157114Sscottl return (error); 468157114Sscottl 469157114Sscottl if ((error = mfi_comms_init(sc)) != 0) 470157114Sscottl return (error); 471157114Sscottl 472157114Sscottl if ((error = mfi_get_controller_info(sc)) != 0) 473157114Sscottl return (error); 474157114Sscottl 475163398Sscottl mtx_lock(&sc->mfi_io_lock); 476163398Sscottl if ((error = mfi_aen_setup(sc, 0), 0) != 0) { 477163398Sscottl mtx_unlock(&sc->mfi_io_lock); 478157114Sscottl return (error); 479163398Sscottl } 480163398Sscottl mtx_unlock(&sc->mfi_io_lock); 481157114Sscottl 482157114Sscottl /* 483157114Sscottl * Set up the interrupt handler. XXX This should happen in 484157114Sscottl * mfi_pci.c 485157114Sscottl */ 486157114Sscottl sc->mfi_irq_rid = 0; 487157114Sscottl if ((sc->mfi_irq = bus_alloc_resource_any(sc->mfi_dev, SYS_RES_IRQ, 488157114Sscottl &sc->mfi_irq_rid, RF_SHAREABLE | RF_ACTIVE)) == NULL) { 489157114Sscottl device_printf(sc->mfi_dev, "Cannot allocate interrupt\n"); 490157114Sscottl return (EINVAL); 491157114Sscottl } 492157114Sscottl if (bus_setup_intr(sc->mfi_dev, sc->mfi_irq, INTR_MPSAFE|INTR_TYPE_BIO, 493166901Spiso NULL, mfi_intr, sc, &sc->mfi_intr)) { 494157114Sscottl device_printf(sc->mfi_dev, "Cannot set up interrupt\n"); 495157114Sscottl return (EINVAL); 496157114Sscottl } 497157114Sscottl 498157114Sscottl /* Register a config hook to probe the bus for arrays */ 499157114Sscottl sc->mfi_ich.ich_func = mfi_startup; 500157114Sscottl sc->mfi_ich.ich_arg = sc; 501157114Sscottl if (config_intrhook_establish(&sc->mfi_ich) != 0) { 502157114Sscottl device_printf(sc->mfi_dev, "Cannot establish configuration " 503157114Sscottl "hook\n"); 504157114Sscottl return (EINVAL); 505157114Sscottl } 506157114Sscottl 507157114Sscottl /* 508157114Sscottl * Register a shutdown handler. 509157114Sscottl */ 510157114Sscottl if ((sc->mfi_eh = EVENTHANDLER_REGISTER(shutdown_final, mfi_shutdown, 511157114Sscottl sc, SHUTDOWN_PRI_DEFAULT)) == NULL) { 512157114Sscottl device_printf(sc->mfi_dev, "Warning: shutdown event " 513157114Sscottl "registration failed\n"); 514157114Sscottl } 515157114Sscottl 516157114Sscottl /* 517157114Sscottl * Create the control device for doing management 518157114Sscottl */ 519157114Sscottl unit = device_get_unit(sc->mfi_dev); 520157114Sscottl sc->mfi_cdev = make_dev(&mfi_cdevsw, unit, UID_ROOT, GID_OPERATOR, 521157114Sscottl 0640, "mfi%d", unit); 522158737Sambrisko if (unit == 0) 523158737Sambrisko make_dev_alias(sc->mfi_cdev, "megaraid_sas_ioctl_node"); 524157114Sscottl if (sc->mfi_cdev != NULL) 525157114Sscottl sc->mfi_cdev->si_drv1 = sc; 526171821Sjhb SYSCTL_ADD_INT(device_get_sysctl_ctx(sc->mfi_dev), 527171821Sjhb SYSCTL_CHILDREN(device_get_sysctl_tree(sc->mfi_dev)), 528171821Sjhb OID_AUTO, "delete_busy_volumes", CTLFLAG_RW, 529171821Sjhb &sc->mfi_delete_busy_volumes, 0, "Allow removal of busy volumes"); 530171821Sjhb SYSCTL_ADD_INT(device_get_sysctl_ctx(sc->mfi_dev), 531171821Sjhb SYSCTL_CHILDREN(device_get_sysctl_tree(sc->mfi_dev)), 532171821Sjhb OID_AUTO, "keep_deleted_volumes", CTLFLAG_RW, 533171821Sjhb &sc->mfi_keep_deleted_volumes, 0, 534171821Sjhb "Don't detach the mfid device for a busy volume that is deleted"); 535157114Sscottl 536169611Sscottl device_add_child(sc->mfi_dev, "mfip", -1); 537169611Sscottl bus_generic_attach(sc->mfi_dev); 538169611Sscottl 539162619Sscottl /* Start the timeout watchdog */ 540178250Skris callout_init(&sc->mfi_watchdog_callout, CALLOUT_MPSAFE); 541162619Sscottl callout_reset(&sc->mfi_watchdog_callout, MFI_CMD_TIMEOUT * hz, 542162619Sscottl mfi_timeout, sc); 543162619Sscottl 544157114Sscottl return (0); 545157114Sscottl} 546157114Sscottl 547157114Sscottlstatic int 548157114Sscottlmfi_alloc_commands(struct mfi_softc *sc) 549157114Sscottl{ 550157114Sscottl struct mfi_command *cm; 551157114Sscottl int i, ncmds; 552157114Sscottl 553157114Sscottl /* 554157114Sscottl * XXX Should we allocate all the commands up front, or allocate on 555157114Sscottl * demand later like 'aac' does? 556157114Sscottl */ 557178968Sscottl ncmds = MIN(mfi_max_cmds, sc->mfi_max_fw_cmds); 558178968Sscottl if (bootverbose) 559178968Sscottl device_printf(sc->mfi_dev, "Max fw cmds= %d, sizing driver " 560178968Sscottl "pool to %d\n", sc->mfi_max_fw_cmds, ncmds); 561178968Sscottl 562157114Sscottl sc->mfi_commands = malloc(sizeof(struct mfi_command) * ncmds, M_MFIBUF, 563157114Sscottl M_WAITOK | M_ZERO); 564157114Sscottl 565157114Sscottl for (i = 0; i < ncmds; i++) { 566157114Sscottl cm = &sc->mfi_commands[i]; 567158737Sambrisko cm->cm_frame = (union mfi_frame *)((uintptr_t)sc->mfi_frames + 568162458Sscottl sc->mfi_cmd_size * i); 569157114Sscottl cm->cm_frame_busaddr = sc->mfi_frames_busaddr + 570162458Sscottl sc->mfi_cmd_size * i; 571157114Sscottl cm->cm_frame->header.context = i; 572157114Sscottl cm->cm_sense = &sc->mfi_sense[i]; 573157114Sscottl cm->cm_sense_busaddr= sc->mfi_sense_busaddr + MFI_SENSE_LEN * i; 574157114Sscottl cm->cm_sc = sc; 575162619Sscottl cm->cm_index = i; 576157114Sscottl if (bus_dmamap_create(sc->mfi_buffer_dmat, 0, 577157114Sscottl &cm->cm_dmamap) == 0) 578157114Sscottl mfi_release_command(cm); 579157114Sscottl else 580157114Sscottl break; 581157114Sscottl sc->mfi_total_cmds++; 582157114Sscottl } 583157114Sscottl 584157114Sscottl return (0); 585157114Sscottl} 586157114Sscottl 587169611Sscottlvoid 588157114Sscottlmfi_release_command(struct mfi_command *cm) 589157114Sscottl{ 590163398Sscottl struct mfi_frame_header *hdr; 591157114Sscottl uint32_t *hdr_data; 592157114Sscottl 593157114Sscottl /* 594157114Sscottl * Zero out the important fields of the frame, but make sure the 595165727Sscottl * context field is preserved. For efficiency, handle the fields 596165727Sscottl * as 32 bit words. Clear out the first S/G entry too for safety. 597157114Sscottl */ 598163398Sscottl hdr = &cm->cm_frame->header; 599175897Sambrisko if (cm->cm_data != NULL && hdr->sg_count) { 600163398Sscottl cm->cm_sg->sg32[0].len = 0; 601163398Sscottl cm->cm_sg->sg32[0].addr = 0; 602163398Sscottl } 603165727Sscottl 604165727Sscottl hdr_data = (uint32_t *)cm->cm_frame; 605165727Sscottl hdr_data[0] = 0; /* cmd, sense_len, cmd_status, scsi_status */ 606165727Sscottl hdr_data[1] = 0; /* target_id, lun_id, cdb_len, sg_count */ 607165727Sscottl hdr_data[4] = 0; /* flags, timeout */ 608165727Sscottl hdr_data[5] = 0; /* data_len */ 609165727Sscottl 610157114Sscottl cm->cm_extra_frames = 0; 611157114Sscottl cm->cm_flags = 0; 612157114Sscottl cm->cm_complete = NULL; 613157114Sscottl cm->cm_private = NULL; 614169611Sscottl cm->cm_data = NULL; 615157114Sscottl cm->cm_sg = 0; 616157114Sscottl cm->cm_total_frame_size = 0; 617163398Sscottl 618157114Sscottl mfi_enqueue_free(cm); 619157114Sscottl} 620157114Sscottl 621157114Sscottlstatic int 622159806Spsmfi_dcmd_command(struct mfi_softc *sc, struct mfi_command **cmp, uint32_t opcode, 623159806Sps void **bufp, size_t bufsize) 624159806Sps{ 625159806Sps struct mfi_command *cm; 626159806Sps struct mfi_dcmd_frame *dcmd; 627159806Sps void *buf = NULL; 628159806Sps 629159806Sps mtx_assert(&sc->mfi_io_lock, MA_OWNED); 630159806Sps 631159806Sps cm = mfi_dequeue_free(sc); 632159806Sps if (cm == NULL) 633159806Sps return (EBUSY); 634159806Sps 635159806Sps if ((bufsize > 0) && (bufp != NULL)) { 636159806Sps if (*bufp == NULL) { 637159806Sps buf = malloc(bufsize, M_MFIBUF, M_NOWAIT|M_ZERO); 638159806Sps if (buf == NULL) { 639159806Sps mfi_release_command(cm); 640159806Sps return (ENOMEM); 641159806Sps } 642159806Sps *bufp = buf; 643159806Sps } else { 644159806Sps buf = *bufp; 645159806Sps } 646159806Sps } 647159806Sps 648159806Sps dcmd = &cm->cm_frame->dcmd; 649159806Sps bzero(dcmd->mbox, MFI_MBOX_SIZE); 650159806Sps dcmd->header.cmd = MFI_CMD_DCMD; 651159806Sps dcmd->header.timeout = 0; 652159806Sps dcmd->header.flags = 0; 653159806Sps dcmd->header.data_len = bufsize; 654159806Sps dcmd->opcode = opcode; 655159806Sps cm->cm_sg = &dcmd->sgl; 656159806Sps cm->cm_total_frame_size = MFI_DCMD_FRAME_SIZE; 657159806Sps cm->cm_flags = 0; 658159806Sps cm->cm_data = buf; 659159806Sps cm->cm_private = buf; 660159806Sps cm->cm_len = bufsize; 661159806Sps 662159806Sps *cmp = cm; 663159806Sps if ((bufp != NULL) && (*bufp == NULL) && (buf != NULL)) 664159806Sps *bufp = buf; 665159806Sps return (0); 666159806Sps} 667159806Sps 668159806Spsstatic int 669157114Sscottlmfi_comms_init(struct mfi_softc *sc) 670157114Sscottl{ 671157114Sscottl struct mfi_command *cm; 672157114Sscottl struct mfi_init_frame *init; 673157114Sscottl struct mfi_init_qinfo *qinfo; 674157114Sscottl int error; 675157114Sscottl 676163398Sscottl mtx_lock(&sc->mfi_io_lock); 677157114Sscottl if ((cm = mfi_dequeue_free(sc)) == NULL) 678157114Sscottl return (EBUSY); 679157114Sscottl 680157114Sscottl /* 681157114Sscottl * Abuse the SG list area of the frame to hold the init_qinfo 682157114Sscottl * object; 683157114Sscottl */ 684157114Sscottl init = &cm->cm_frame->init; 685157114Sscottl qinfo = (struct mfi_init_qinfo *)((uintptr_t)init + MFI_FRAME_SIZE); 686157114Sscottl 687157114Sscottl bzero(qinfo, sizeof(struct mfi_init_qinfo)); 688157114Sscottl qinfo->rq_entries = sc->mfi_max_fw_cmds + 1; 689157114Sscottl qinfo->rq_addr_lo = sc->mfi_comms_busaddr + 690157114Sscottl offsetof(struct mfi_hwcomms, hw_reply_q); 691157114Sscottl qinfo->pi_addr_lo = sc->mfi_comms_busaddr + 692157114Sscottl offsetof(struct mfi_hwcomms, hw_pi); 693157114Sscottl qinfo->ci_addr_lo = sc->mfi_comms_busaddr + 694157114Sscottl offsetof(struct mfi_hwcomms, hw_ci); 695157114Sscottl 696157114Sscottl init->header.cmd = MFI_CMD_INIT; 697157114Sscottl init->header.data_len = sizeof(struct mfi_init_qinfo); 698157114Sscottl init->qinfo_new_addr_lo = cm->cm_frame_busaddr + MFI_FRAME_SIZE; 699164375Sscottl cm->cm_data = NULL; 700164375Sscottl cm->cm_flags = MFI_CMD_POLLED; 701157114Sscottl 702164375Sscottl if ((error = mfi_mapcmd(sc, cm)) != 0) { 703157114Sscottl device_printf(sc->mfi_dev, "failed to send init command\n"); 704163398Sscottl mtx_unlock(&sc->mfi_io_lock); 705157114Sscottl return (error); 706157114Sscottl } 707157114Sscottl mfi_release_command(cm); 708163398Sscottl mtx_unlock(&sc->mfi_io_lock); 709157114Sscottl 710157114Sscottl return (0); 711157114Sscottl} 712157114Sscottl 713157114Sscottlstatic int 714157114Sscottlmfi_get_controller_info(struct mfi_softc *sc) 715157114Sscottl{ 716159806Sps struct mfi_command *cm = NULL; 717159806Sps struct mfi_ctrl_info *ci = NULL; 718157114Sscottl uint32_t max_sectors_1, max_sectors_2; 719157114Sscottl int error; 720157114Sscottl 721159806Sps mtx_lock(&sc->mfi_io_lock); 722159806Sps error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_GETINFO, 723159806Sps (void **)&ci, sizeof(*ci)); 724159806Sps if (error) 725159806Sps goto out; 726157114Sscottl cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED; 727157114Sscottl 728157114Sscottl if ((error = mfi_mapcmd(sc, cm)) != 0) { 729157114Sscottl device_printf(sc->mfi_dev, "Failed to get controller info\n"); 730162458Sscottl sc->mfi_max_io = (sc->mfi_max_sge - 1) * PAGE_SIZE / 731157114Sscottl MFI_SECTOR_LEN; 732159806Sps error = 0; 733159806Sps goto out; 734157114Sscottl } 735157114Sscottl 736157114Sscottl bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 737157114Sscottl BUS_DMASYNC_POSTREAD); 738157114Sscottl bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 739157114Sscottl 740157114Sscottl max_sectors_1 = (1 << ci->stripe_sz_ops.min) * ci->max_strips_per_io; 741157114Sscottl max_sectors_2 = ci->max_request_size; 742157114Sscottl sc->mfi_max_io = min(max_sectors_1, max_sectors_2); 743157114Sscottl 744159806Spsout: 745159806Sps if (ci) 746159806Sps free(ci, M_MFIBUF); 747159806Sps if (cm) 748159806Sps mfi_release_command(cm); 749159806Sps mtx_unlock(&sc->mfi_io_lock); 750157114Sscottl return (error); 751157114Sscottl} 752157114Sscottl 753157114Sscottlstatic int 754159806Spsmfi_get_log_state(struct mfi_softc *sc, struct mfi_evt_log_state **log_state) 755158737Sambrisko{ 756159812Sps struct mfi_command *cm = NULL; 757158737Sambrisko int error; 758158737Sambrisko 759159806Sps error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_EVENT_GETINFO, 760159806Sps (void **)log_state, sizeof(**log_state)); 761159806Sps if (error) 762159806Sps goto out; 763159810Sps cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED; 764158737Sambrisko 765158737Sambrisko if ((error = mfi_mapcmd(sc, cm)) != 0) { 766159802Sps device_printf(sc->mfi_dev, "Failed to get log state\n"); 767159806Sps goto out; 768158737Sambrisko } 769158737Sambrisko 770158737Sambrisko bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 771158737Sambrisko BUS_DMASYNC_POSTREAD); 772158737Sambrisko bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 773158737Sambrisko 774159806Spsout: 775159812Sps if (cm) 776159812Sps mfi_release_command(cm); 777158737Sambrisko 778158737Sambrisko return (error); 779158737Sambrisko} 780158737Sambrisko 781158737Sambriskostatic int 782158737Sambriskomfi_aen_setup(struct mfi_softc *sc, uint32_t seq_start) 783158737Sambrisko{ 784159806Sps struct mfi_evt_log_state *log_state = NULL; 785158737Sambrisko union mfi_evt class_locale; 786158737Sambrisko int error = 0; 787158737Sambrisko uint32_t seq; 788158737Sambrisko 789158737Sambrisko class_locale.members.reserved = 0; 790162118Sambrisko class_locale.members.locale = mfi_event_locale; 791222589Semaste class_locale.members.evt_class = mfi_event_class; 792158737Sambrisko 793158737Sambrisko if (seq_start == 0) { 794158737Sambrisko error = mfi_get_log_state(sc, &log_state); 795159806Sps if (error) { 796159806Sps if (log_state) 797159806Sps free(log_state, M_MFIBUF); 798158737Sambrisko return (error); 799159806Sps } 800180037Sjhb 801180037Sjhb /* 802180037Sjhb * Walk through any events that fired since the last 803180037Sjhb * shutdown. 804180037Sjhb */ 805180037Sjhb mfi_parse_entries(sc, log_state->shutdown_seq_num, 806180037Sjhb log_state->newest_seq_num); 807180037Sjhb seq = log_state->newest_seq_num; 808158737Sambrisko } else 809158737Sambrisko seq = seq_start; 810158737Sambrisko mfi_aen_register(sc, seq, class_locale.word); 811159806Sps free(log_state, M_MFIBUF); 812158737Sambrisko 813158737Sambrisko return 0; 814158737Sambrisko} 815158737Sambrisko 816158737Sambriskostatic int 817159811Spsmfi_wait_command(struct mfi_softc *sc, struct mfi_command *cm) 818159811Sps{ 819159811Sps 820159811Sps mtx_assert(&sc->mfi_io_lock, MA_OWNED); 821159811Sps cm->cm_complete = NULL; 822159811Sps 823170284Sambrisko 824170284Sambrisko /* 825170284Sambrisko * MegaCli can issue a DCMD of 0. In this case do nothing 826170284Sambrisko * and return 0 to it as status 827170284Sambrisko */ 828170284Sambrisko if (cm->cm_frame->dcmd.opcode == 0) { 829170284Sambrisko cm->cm_frame->header.cmd_status = MFI_STAT_OK; 830170284Sambrisko cm->cm_error = 0; 831170284Sambrisko return (cm->cm_error); 832170284Sambrisko } 833159811Sps mfi_enqueue_ready(cm); 834159811Sps mfi_startio(sc); 835170284Sambrisko if ((cm->cm_flags & MFI_CMD_COMPLETED) == 0) 836170284Sambrisko msleep(cm, &sc->mfi_io_lock, PRIBIO, "mfiwait", 0); 837170284Sambrisko return (cm->cm_error); 838159811Sps} 839159811Sps 840157114Sscottlvoid 841157114Sscottlmfi_free(struct mfi_softc *sc) 842157114Sscottl{ 843157114Sscottl struct mfi_command *cm; 844157114Sscottl int i; 845157114Sscottl 846162619Sscottl callout_drain(&sc->mfi_watchdog_callout); 847162619Sscottl 848157114Sscottl if (sc->mfi_cdev != NULL) 849157114Sscottl destroy_dev(sc->mfi_cdev); 850157114Sscottl 851157114Sscottl if (sc->mfi_total_cmds != 0) { 852157114Sscottl for (i = 0; i < sc->mfi_total_cmds; i++) { 853157114Sscottl cm = &sc->mfi_commands[i]; 854157114Sscottl bus_dmamap_destroy(sc->mfi_buffer_dmat, cm->cm_dmamap); 855157114Sscottl } 856157114Sscottl free(sc->mfi_commands, M_MFIBUF); 857157114Sscottl } 858157114Sscottl 859157114Sscottl if (sc->mfi_intr) 860157114Sscottl bus_teardown_intr(sc->mfi_dev, sc->mfi_irq, sc->mfi_intr); 861157114Sscottl if (sc->mfi_irq != NULL) 862157114Sscottl bus_release_resource(sc->mfi_dev, SYS_RES_IRQ, sc->mfi_irq_rid, 863157114Sscottl sc->mfi_irq); 864157114Sscottl 865157114Sscottl if (sc->mfi_sense_busaddr != 0) 866157114Sscottl bus_dmamap_unload(sc->mfi_sense_dmat, sc->mfi_sense_dmamap); 867157114Sscottl if (sc->mfi_sense != NULL) 868157114Sscottl bus_dmamem_free(sc->mfi_sense_dmat, sc->mfi_sense, 869157114Sscottl sc->mfi_sense_dmamap); 870157114Sscottl if (sc->mfi_sense_dmat != NULL) 871157114Sscottl bus_dma_tag_destroy(sc->mfi_sense_dmat); 872157114Sscottl 873157114Sscottl if (sc->mfi_frames_busaddr != 0) 874157114Sscottl bus_dmamap_unload(sc->mfi_frames_dmat, sc->mfi_frames_dmamap); 875157114Sscottl if (sc->mfi_frames != NULL) 876157114Sscottl bus_dmamem_free(sc->mfi_frames_dmat, sc->mfi_frames, 877157114Sscottl sc->mfi_frames_dmamap); 878157114Sscottl if (sc->mfi_frames_dmat != NULL) 879157114Sscottl bus_dma_tag_destroy(sc->mfi_frames_dmat); 880157114Sscottl 881157114Sscottl if (sc->mfi_comms_busaddr != 0) 882157114Sscottl bus_dmamap_unload(sc->mfi_comms_dmat, sc->mfi_comms_dmamap); 883157114Sscottl if (sc->mfi_comms != NULL) 884157114Sscottl bus_dmamem_free(sc->mfi_comms_dmat, sc->mfi_comms, 885157114Sscottl sc->mfi_comms_dmamap); 886157114Sscottl if (sc->mfi_comms_dmat != NULL) 887157114Sscottl bus_dma_tag_destroy(sc->mfi_comms_dmat); 888157114Sscottl 889157114Sscottl if (sc->mfi_buffer_dmat != NULL) 890157114Sscottl bus_dma_tag_destroy(sc->mfi_buffer_dmat); 891157114Sscottl if (sc->mfi_parent_dmat != NULL) 892157114Sscottl bus_dma_tag_destroy(sc->mfi_parent_dmat); 893157114Sscottl 894171821Sjhb if (mtx_initialized(&sc->mfi_io_lock)) { 895157114Sscottl mtx_destroy(&sc->mfi_io_lock); 896171821Sjhb sx_destroy(&sc->mfi_config_lock); 897171821Sjhb } 898157114Sscottl 899157114Sscottl return; 900157114Sscottl} 901157114Sscottl 902157114Sscottlstatic void 903157114Sscottlmfi_startup(void *arg) 904157114Sscottl{ 905157114Sscottl struct mfi_softc *sc; 906157114Sscottl 907157114Sscottl sc = (struct mfi_softc *)arg; 908157114Sscottl 909157114Sscottl config_intrhook_disestablish(&sc->mfi_ich); 910157114Sscottl 911171980Sscottl sc->mfi_enable_intr(sc); 912171821Sjhb sx_xlock(&sc->mfi_config_lock); 913163398Sscottl mtx_lock(&sc->mfi_io_lock); 914159811Sps mfi_ldprobe(sc); 915163398Sscottl mtx_unlock(&sc->mfi_io_lock); 916171821Sjhb sx_xunlock(&sc->mfi_config_lock); 917157114Sscottl} 918157114Sscottl 919157114Sscottlstatic void 920157114Sscottlmfi_intr(void *arg) 921157114Sscottl{ 922157114Sscottl struct mfi_softc *sc; 923157114Sscottl struct mfi_command *cm; 924171980Sscottl uint32_t pi, ci, context; 925157114Sscottl 926157114Sscottl sc = (struct mfi_softc *)arg; 927157114Sscottl 928171980Sscottl if (sc->mfi_check_clear_intr(sc)) 929157114Sscottl return; 930163398Sscottl 931157114Sscottl pi = sc->mfi_comms->hw_pi; 932157114Sscottl ci = sc->mfi_comms->hw_ci; 933157114Sscottl mtx_lock(&sc->mfi_io_lock); 934157114Sscottl while (ci != pi) { 935157114Sscottl context = sc->mfi_comms->hw_reply_q[ci]; 936170284Sambrisko if (context < sc->mfi_max_fw_cmds) { 937170284Sambrisko cm = &sc->mfi_commands[context]; 938170284Sambrisko mfi_remove_busy(cm); 939170284Sambrisko cm->cm_error = 0; 940170284Sambrisko mfi_complete(sc, cm); 941170284Sambrisko } 942162099Sscottl if (++ci == (sc->mfi_max_fw_cmds + 1)) { 943157114Sscottl ci = 0; 944157114Sscottl } 945157114Sscottl } 946157114Sscottl 947157114Sscottl sc->mfi_comms->hw_ci = ci; 948157114Sscottl 949163398Sscottl /* Give defered I/O a chance to run */ 950163398Sscottl if (sc->mfi_flags & MFI_FLAGS_QFRZN) 951163398Sscottl sc->mfi_flags &= ~MFI_FLAGS_QFRZN; 952163398Sscottl mfi_startio(sc); 953163398Sscottl mtx_unlock(&sc->mfi_io_lock); 954163398Sscottl 955157114Sscottl return; 956157114Sscottl} 957157114Sscottl 958157114Sscottlint 959157114Sscottlmfi_shutdown(struct mfi_softc *sc) 960157114Sscottl{ 961157114Sscottl struct mfi_dcmd_frame *dcmd; 962157114Sscottl struct mfi_command *cm; 963157114Sscottl int error; 964157114Sscottl 965159806Sps mtx_lock(&sc->mfi_io_lock); 966159806Sps error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_SHUTDOWN, NULL, 0); 967163398Sscottl if (error) { 968163398Sscottl mtx_unlock(&sc->mfi_io_lock); 969159806Sps return (error); 970163398Sscottl } 971157114Sscottl 972158737Sambrisko if (sc->mfi_aen_cm != NULL) 973158737Sambrisko mfi_abort(sc, sc->mfi_aen_cm); 974157114Sscottl 975157114Sscottl dcmd = &cm->cm_frame->dcmd; 976157114Sscottl dcmd->header.flags = MFI_FRAME_DIR_NONE; 977164375Sscottl cm->cm_flags = MFI_CMD_POLLED; 978164375Sscottl cm->cm_data = NULL; 979157114Sscottl 980164375Sscottl if ((error = mfi_mapcmd(sc, cm)) != 0) { 981157114Sscottl device_printf(sc->mfi_dev, "Failed to shutdown controller\n"); 982157114Sscottl } 983157114Sscottl 984159812Sps mfi_release_command(cm); 985163398Sscottl mtx_unlock(&sc->mfi_io_lock); 986157114Sscottl return (error); 987157114Sscottl} 988157114Sscottl 989157114Sscottlstatic void 990159811Spsmfi_ldprobe(struct mfi_softc *sc) 991157114Sscottl{ 992159811Sps struct mfi_frame_header *hdr; 993159811Sps struct mfi_command *cm = NULL; 994159811Sps struct mfi_ld_list *list = NULL; 995171821Sjhb struct mfi_disk *ld; 996159811Sps int error, i; 997157114Sscottl 998171821Sjhb sx_assert(&sc->mfi_config_lock, SA_XLOCKED); 999163398Sscottl mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1000163398Sscottl 1001159811Sps error = mfi_dcmd_command(sc, &cm, MFI_DCMD_LD_GET_LIST, 1002159811Sps (void **)&list, sizeof(*list)); 1003159811Sps if (error) 1004159811Sps goto out; 1005159811Sps 1006159811Sps cm->cm_flags = MFI_CMD_DATAIN; 1007159811Sps if (mfi_wait_command(sc, cm) != 0) { 1008159811Sps device_printf(sc->mfi_dev, "Failed to get device listing\n"); 1009159811Sps goto out; 1010157114Sscottl } 1011157114Sscottl 1012157114Sscottl hdr = &cm->cm_frame->header; 1013159811Sps if (hdr->cmd_status != MFI_STAT_OK) { 1014159811Sps device_printf(sc->mfi_dev, "MFI_DCMD_LD_GET_LIST failed %x\n", 1015159811Sps hdr->cmd_status); 1016159811Sps goto out; 1017157114Sscottl } 1018157114Sscottl 1019171821Sjhb for (i = 0; i < list->ld_count; i++) { 1020171821Sjhb TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) { 1021171821Sjhb if (ld->ld_id == list->ld_list[i].ld.v.target_id) 1022171821Sjhb goto skip_add; 1023171821Sjhb } 1024163398Sscottl mfi_add_ld(sc, list->ld_list[i].ld.v.target_id); 1025171821Sjhb skip_add:; 1026171821Sjhb } 1027159811Spsout: 1028159811Sps if (list) 1029159811Sps free(list, M_MFIBUF); 1030159811Sps if (cm) 1031157114Sscottl mfi_release_command(cm); 1032163398Sscottl 1033159811Sps return; 1034157114Sscottl} 1035157114Sscottl 1036180038Sjhb/* 1037180038Sjhb * The timestamp is the number of seconds since 00:00 Jan 1, 2000. If 1038180038Sjhb * the bits in 24-31 are all set, then it is the number of seconds since 1039180038Sjhb * boot. 1040180038Sjhb */ 1041180038Sjhbstatic const char * 1042180038Sjhbformat_timestamp(uint32_t timestamp) 1043158737Sambrisko{ 1044180038Sjhb static char buffer[32]; 1045180038Sjhb 1046180038Sjhb if ((timestamp & 0xff000000) == 0xff000000) 1047180038Sjhb snprintf(buffer, sizeof(buffer), "boot + %us", timestamp & 1048180038Sjhb 0x00ffffff); 1049180038Sjhb else 1050180038Sjhb snprintf(buffer, sizeof(buffer), "%us", timestamp); 1051180038Sjhb return (buffer); 1052180038Sjhb} 1053180038Sjhb 1054180038Sjhbstatic const char * 1055180038Sjhbformat_class(int8_t class) 1056180038Sjhb{ 1057180038Sjhb static char buffer[6]; 1058180038Sjhb 1059180038Sjhb switch (class) { 1060180038Sjhb case MFI_EVT_CLASS_DEBUG: 1061180038Sjhb return ("debug"); 1062180038Sjhb case MFI_EVT_CLASS_PROGRESS: 1063180038Sjhb return ("progress"); 1064180038Sjhb case MFI_EVT_CLASS_INFO: 1065180038Sjhb return ("info"); 1066180038Sjhb case MFI_EVT_CLASS_WARNING: 1067180038Sjhb return ("WARN"); 1068180038Sjhb case MFI_EVT_CLASS_CRITICAL: 1069180038Sjhb return ("CRIT"); 1070180038Sjhb case MFI_EVT_CLASS_FATAL: 1071180038Sjhb return ("FATAL"); 1072180038Sjhb case MFI_EVT_CLASS_DEAD: 1073180038Sjhb return ("DEAD"); 1074158737Sambrisko default: 1075180038Sjhb snprintf(buffer, sizeof(buffer), "%d", class); 1076180038Sjhb return (buffer); 1077158737Sambrisko } 1078158737Sambrisko} 1079158737Sambrisko 1080180038Sjhbstatic void 1081180038Sjhbmfi_decode_evt(struct mfi_softc *sc, struct mfi_evt_detail *detail) 1082180038Sjhb{ 1083180038Sjhb 1084200238Sjkim device_printf(sc->mfi_dev, "%d (%s/0x%04x/%s) - %s\n", detail->seq, 1085222589Semaste format_timestamp(detail->time), detail->evt_class.members.locale, 1086222589Semaste format_class(detail->evt_class.members.evt_class), detail->description); 1087180038Sjhb} 1088180038Sjhb 1089157114Sscottlstatic int 1090158737Sambriskomfi_aen_register(struct mfi_softc *sc, int seq, int locale) 1091158737Sambrisko{ 1092158737Sambrisko struct mfi_command *cm; 1093158737Sambrisko struct mfi_dcmd_frame *dcmd; 1094158737Sambrisko union mfi_evt current_aen, prior_aen; 1095159806Sps struct mfi_evt_detail *ed = NULL; 1096163398Sscottl int error = 0; 1097158737Sambrisko 1098158737Sambrisko current_aen.word = locale; 1099158737Sambrisko if (sc->mfi_aen_cm != NULL) { 1100158737Sambrisko prior_aen.word = 1101158737Sambrisko ((uint32_t *)&sc->mfi_aen_cm->cm_frame->dcmd.mbox)[1]; 1102222589Semaste if (prior_aen.members.evt_class <= current_aen.members.evt_class && 1103158737Sambrisko !((prior_aen.members.locale & current_aen.members.locale) 1104158737Sambrisko ^current_aen.members.locale)) { 1105158737Sambrisko return (0); 1106158737Sambrisko } else { 1107158737Sambrisko prior_aen.members.locale |= current_aen.members.locale; 1108222589Semaste if (prior_aen.members.evt_class 1109222589Semaste < current_aen.members.evt_class) 1110222589Semaste current_aen.members.evt_class = 1111222589Semaste prior_aen.members.evt_class; 1112158737Sambrisko mfi_abort(sc, sc->mfi_aen_cm); 1113158737Sambrisko } 1114158737Sambrisko } 1115158737Sambrisko 1116159806Sps error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_EVENT_WAIT, 1117159806Sps (void **)&ed, sizeof(*ed)); 1118163398Sscottl if (error) { 1119163398Sscottl goto out; 1120163398Sscottl } 1121158737Sambrisko 1122158737Sambrisko dcmd = &cm->cm_frame->dcmd; 1123158737Sambrisko ((uint32_t *)&dcmd->mbox)[0] = seq; 1124158737Sambrisko ((uint32_t *)&dcmd->mbox)[1] = locale; 1125158737Sambrisko cm->cm_flags = MFI_CMD_DATAIN; 1126158737Sambrisko cm->cm_complete = mfi_aen_complete; 1127158737Sambrisko 1128158737Sambrisko sc->mfi_aen_cm = cm; 1129158737Sambrisko 1130158737Sambrisko mfi_enqueue_ready(cm); 1131158737Sambrisko mfi_startio(sc); 1132158737Sambrisko 1133163398Sscottlout: 1134163398Sscottl return (error); 1135158737Sambrisko} 1136158737Sambrisko 1137158737Sambriskostatic void 1138158737Sambriskomfi_aen_complete(struct mfi_command *cm) 1139158737Sambrisko{ 1140158737Sambrisko struct mfi_frame_header *hdr; 1141158737Sambrisko struct mfi_softc *sc; 1142158737Sambrisko struct mfi_evt_detail *detail; 1143163398Sscottl struct mfi_aen *mfi_aen_entry, *tmp; 1144158737Sambrisko int seq = 0, aborted = 0; 1145158737Sambrisko 1146158737Sambrisko sc = cm->cm_sc; 1147158737Sambrisko hdr = &cm->cm_frame->header; 1148158737Sambrisko 1149158737Sambrisko if (sc->mfi_aen_cm == NULL) 1150158737Sambrisko return; 1151158737Sambrisko 1152158737Sambrisko if (sc->mfi_aen_cm->cm_aen_abort || hdr->cmd_status == 0xff) { 1153158737Sambrisko sc->mfi_aen_cm->cm_aen_abort = 0; 1154158737Sambrisko aborted = 1; 1155158737Sambrisko } else { 1156158737Sambrisko sc->mfi_aen_triggered = 1; 1157163398Sscottl if (sc->mfi_poll_waiting) { 1158163398Sscottl sc->mfi_poll_waiting = 0; 1159158737Sambrisko selwakeup(&sc->mfi_select); 1160163398Sscottl } 1161158737Sambrisko detail = cm->cm_data; 1162163398Sscottl /* 1163163398Sscottl * XXX If this function is too expensive or is recursive, then 1164163398Sscottl * events should be put onto a queue and processed later. 1165163398Sscottl */ 1166158737Sambrisko mfi_decode_evt(sc, detail); 1167158737Sambrisko seq = detail->seq + 1; 1168163398Sscottl TAILQ_FOREACH_SAFE(mfi_aen_entry, &sc->mfi_aen_pids, aen_link, tmp) { 1169158737Sambrisko TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry, 1170158737Sambrisko aen_link); 1171163398Sscottl PROC_LOCK(mfi_aen_entry->p); 1172158737Sambrisko psignal(mfi_aen_entry->p, SIGIO); 1173163398Sscottl PROC_UNLOCK(mfi_aen_entry->p); 1174158737Sambrisko free(mfi_aen_entry, M_MFIBUF); 1175158737Sambrisko } 1176158737Sambrisko } 1177158737Sambrisko 1178158737Sambrisko free(cm->cm_data, M_MFIBUF); 1179158737Sambrisko sc->mfi_aen_cm = NULL; 1180158737Sambrisko wakeup(&sc->mfi_aen_cm); 1181158737Sambrisko mfi_release_command(cm); 1182158737Sambrisko 1183158737Sambrisko /* set it up again so the driver can catch more events */ 1184158737Sambrisko if (!aborted) { 1185158737Sambrisko mfi_aen_setup(sc, seq); 1186158737Sambrisko } 1187158737Sambrisko} 1188158737Sambrisko 1189180037Sjhb#define MAX_EVENTS 15 1190180037Sjhb 1191158737Sambriskostatic int 1192180037Sjhbmfi_parse_entries(struct mfi_softc *sc, int start_seq, int stop_seq) 1193158737Sambrisko{ 1194158737Sambrisko struct mfi_command *cm; 1195158737Sambrisko struct mfi_dcmd_frame *dcmd; 1196162118Sambrisko struct mfi_evt_list *el; 1197180037Sjhb union mfi_evt class_locale; 1198180037Sjhb int error, i, seq, size; 1199158737Sambrisko 1200180037Sjhb class_locale.members.reserved = 0; 1201180037Sjhb class_locale.members.locale = mfi_event_locale; 1202222589Semaste class_locale.members.evt_class = mfi_event_class; 1203158737Sambrisko 1204162118Sambrisko size = sizeof(struct mfi_evt_list) + sizeof(struct mfi_evt_detail) 1205162118Sambrisko * (MAX_EVENTS - 1); 1206162118Sambrisko el = malloc(size, M_MFIBUF, M_NOWAIT | M_ZERO); 1207180037Sjhb if (el == NULL) 1208158737Sambrisko return (ENOMEM); 1209158737Sambrisko 1210180037Sjhb for (seq = start_seq;;) { 1211180037Sjhb if ((cm = mfi_dequeue_free(sc)) == NULL) { 1212180037Sjhb free(el, M_MFIBUF); 1213180037Sjhb return (EBUSY); 1214180037Sjhb } 1215158737Sambrisko 1216180037Sjhb dcmd = &cm->cm_frame->dcmd; 1217180037Sjhb bzero(dcmd->mbox, MFI_MBOX_SIZE); 1218180037Sjhb dcmd->header.cmd = MFI_CMD_DCMD; 1219180037Sjhb dcmd->header.timeout = 0; 1220180037Sjhb dcmd->header.data_len = size; 1221180037Sjhb dcmd->opcode = MFI_DCMD_CTRL_EVENT_GET; 1222180037Sjhb ((uint32_t *)&dcmd->mbox)[0] = seq; 1223180037Sjhb ((uint32_t *)&dcmd->mbox)[1] = class_locale.word; 1224180037Sjhb cm->cm_sg = &dcmd->sgl; 1225180037Sjhb cm->cm_total_frame_size = MFI_DCMD_FRAME_SIZE; 1226180037Sjhb cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED; 1227180037Sjhb cm->cm_data = el; 1228180037Sjhb cm->cm_len = size; 1229180037Sjhb 1230180037Sjhb if ((error = mfi_mapcmd(sc, cm)) != 0) { 1231180037Sjhb device_printf(sc->mfi_dev, 1232180037Sjhb "Failed to get controller entries\n"); 1233180037Sjhb mfi_release_command(cm); 1234180037Sjhb break; 1235180037Sjhb } 1236180037Sjhb 1237180037Sjhb bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 1238180037Sjhb BUS_DMASYNC_POSTREAD); 1239180037Sjhb bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 1240180037Sjhb 1241180037Sjhb if (dcmd->header.cmd_status == MFI_STAT_NOT_FOUND) { 1242180037Sjhb mfi_release_command(cm); 1243180037Sjhb break; 1244180037Sjhb } 1245180037Sjhb if (dcmd->header.cmd_status != MFI_STAT_OK) { 1246180037Sjhb device_printf(sc->mfi_dev, 1247180037Sjhb "Error %d fetching controller entries\n", 1248180037Sjhb dcmd->header.cmd_status); 1249180037Sjhb mfi_release_command(cm); 1250180037Sjhb break; 1251180037Sjhb } 1252158737Sambrisko mfi_release_command(cm); 1253158737Sambrisko 1254162473Sambrisko for (i = 0; i < el->count; i++) { 1255180037Sjhb /* 1256180037Sjhb * If this event is newer than 'stop_seq' then 1257180037Sjhb * break out of the loop. Note that the log 1258180037Sjhb * is a circular buffer so we have to handle 1259180037Sjhb * the case that our stop point is earlier in 1260180037Sjhb * the buffer than our start point. 1261180037Sjhb */ 1262180037Sjhb if (el->event[i].seq >= stop_seq) { 1263180037Sjhb if (start_seq <= stop_seq) 1264180037Sjhb break; 1265180037Sjhb else if (el->event[i].seq < start_seq) 1266180037Sjhb break; 1267180037Sjhb } 1268180037Sjhb mfi_decode_evt(sc, &el->event[i]); 1269162473Sambrisko } 1270180037Sjhb seq = el->event[el->count - 1].seq + 1; 1271162118Sambrisko } 1272158737Sambrisko 1273180037Sjhb free(el, M_MFIBUF); 1274158737Sambrisko return (0); 1275158737Sambrisko} 1276158737Sambrisko 1277158737Sambriskostatic int 1278159811Spsmfi_add_ld(struct mfi_softc *sc, int id) 1279157114Sscottl{ 1280157114Sscottl struct mfi_command *cm; 1281159811Sps struct mfi_dcmd_frame *dcmd = NULL; 1282159811Sps struct mfi_ld_info *ld_info = NULL; 1283159811Sps int error; 1284157114Sscottl 1285159811Sps mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1286159811Sps 1287159811Sps error = mfi_dcmd_command(sc, &cm, MFI_DCMD_LD_GET_INFO, 1288159811Sps (void **)&ld_info, sizeof(*ld_info)); 1289159811Sps if (error) { 1290159811Sps device_printf(sc->mfi_dev, 1291159811Sps "Failed to allocate for MFI_DCMD_LD_GET_INFO %d\n", error); 1292159811Sps if (ld_info) 1293159811Sps free(ld_info, M_MFIBUF); 1294159811Sps return (error); 1295157624Sscottl } 1296159811Sps cm->cm_flags = MFI_CMD_DATAIN; 1297159811Sps dcmd = &cm->cm_frame->dcmd; 1298159811Sps dcmd->mbox[0] = id; 1299160052Sambrisko if (mfi_wait_command(sc, cm) != 0) { 1300160052Sambrisko device_printf(sc->mfi_dev, 1301160052Sambrisko "Failed to get logical drive: %d\n", id); 1302160052Sambrisko free(ld_info, M_MFIBUF); 1303160052Sambrisko return (0); 1304160052Sambrisko } 1305159811Sps 1306160052Sambrisko mfi_add_ld_complete(cm); 1307157114Sscottl return (0); 1308157114Sscottl} 1309157114Sscottl 1310157114Sscottlstatic void 1311159811Spsmfi_add_ld_complete(struct mfi_command *cm) 1312157114Sscottl{ 1313157114Sscottl struct mfi_frame_header *hdr; 1314159811Sps struct mfi_ld_info *ld_info; 1315157114Sscottl struct mfi_softc *sc; 1316159811Sps device_t child; 1317157114Sscottl 1318157114Sscottl sc = cm->cm_sc; 1319157114Sscottl hdr = &cm->cm_frame->header; 1320159811Sps ld_info = cm->cm_private; 1321157114Sscottl 1322159811Sps if (hdr->cmd_status != MFI_STAT_OK) { 1323159811Sps free(ld_info, M_MFIBUF); 1324157114Sscottl mfi_release_command(cm); 1325157114Sscottl return; 1326157114Sscottl } 1327157114Sscottl mfi_release_command(cm); 1328157114Sscottl 1329169611Sscottl mtx_unlock(&sc->mfi_io_lock); 1330196403Sjhb mtx_lock(&Giant); 1331157114Sscottl if ((child = device_add_child(sc->mfi_dev, "mfid", -1)) == NULL) { 1332157114Sscottl device_printf(sc->mfi_dev, "Failed to add logical disk\n"); 1333159811Sps free(ld_info, M_MFIBUF); 1334196403Sjhb mtx_unlock(&Giant); 1335169611Sscottl mtx_lock(&sc->mfi_io_lock); 1336159811Sps return; 1337157114Sscottl } 1338157114Sscottl 1339169451Sscottl device_set_ivars(child, ld_info); 1340157114Sscottl device_set_desc(child, "MFI Logical Disk"); 1341157114Sscottl bus_generic_attach(sc->mfi_dev); 1342196403Sjhb mtx_unlock(&Giant); 1343157114Sscottl mtx_lock(&sc->mfi_io_lock); 1344157114Sscottl} 1345163399Sscottl 1346157114Sscottlstatic struct mfi_command * 1347157114Sscottlmfi_bio_command(struct mfi_softc *sc) 1348157114Sscottl{ 1349157114Sscottl struct mfi_io_frame *io; 1350157114Sscottl struct mfi_command *cm; 1351157114Sscottl struct bio *bio; 1352158737Sambrisko int flags, blkcount; 1353157114Sscottl 1354157114Sscottl if ((cm = mfi_dequeue_free(sc)) == NULL) 1355157114Sscottl return (NULL); 1356157114Sscottl 1357157114Sscottl if ((bio = mfi_dequeue_bio(sc)) == NULL) { 1358157114Sscottl mfi_release_command(cm); 1359157114Sscottl return (NULL); 1360157114Sscottl } 1361157114Sscottl 1362157114Sscottl io = &cm->cm_frame->io; 1363157114Sscottl switch (bio->bio_cmd & 0x03) { 1364157114Sscottl case BIO_READ: 1365157114Sscottl io->header.cmd = MFI_CMD_LD_READ; 1366157114Sscottl flags = MFI_CMD_DATAIN; 1367157114Sscottl break; 1368157114Sscottl case BIO_WRITE: 1369157114Sscottl io->header.cmd = MFI_CMD_LD_WRITE; 1370157114Sscottl flags = MFI_CMD_DATAOUT; 1371157114Sscottl break; 1372157114Sscottl default: 1373157114Sscottl panic("Invalid bio command"); 1374157114Sscottl } 1375157114Sscottl 1376157114Sscottl /* Cheat with the sector length to avoid a non-constant division */ 1377157114Sscottl blkcount = (bio->bio_bcount + MFI_SECTOR_LEN - 1) / MFI_SECTOR_LEN; 1378157114Sscottl io->header.target_id = (uintptr_t)bio->bio_driver1; 1379157114Sscottl io->header.timeout = 0; 1380157114Sscottl io->header.flags = 0; 1381157114Sscottl io->header.sense_len = MFI_SENSE_LEN; 1382157114Sscottl io->header.data_len = blkcount; 1383157114Sscottl io->sense_addr_lo = cm->cm_sense_busaddr; 1384157114Sscottl io->sense_addr_hi = 0; 1385157114Sscottl io->lba_hi = (bio->bio_pblkno & 0xffffffff00000000) >> 32; 1386157114Sscottl io->lba_lo = bio->bio_pblkno & 0xffffffff; 1387157114Sscottl cm->cm_complete = mfi_bio_complete; 1388157114Sscottl cm->cm_private = bio; 1389157114Sscottl cm->cm_data = bio->bio_data; 1390157114Sscottl cm->cm_len = bio->bio_bcount; 1391157114Sscottl cm->cm_sg = &io->sgl; 1392157114Sscottl cm->cm_total_frame_size = MFI_IO_FRAME_SIZE; 1393157114Sscottl cm->cm_flags = flags; 1394157114Sscottl return (cm); 1395157114Sscottl} 1396157114Sscottl 1397157114Sscottlstatic void 1398157114Sscottlmfi_bio_complete(struct mfi_command *cm) 1399157114Sscottl{ 1400157114Sscottl struct bio *bio; 1401157114Sscottl struct mfi_frame_header *hdr; 1402157114Sscottl struct mfi_softc *sc; 1403157114Sscottl 1404157114Sscottl bio = cm->cm_private; 1405157114Sscottl hdr = &cm->cm_frame->header; 1406157114Sscottl sc = cm->cm_sc; 1407157114Sscottl 1408157114Sscottl if ((hdr->cmd_status != 0) || (hdr->scsi_status != 0)) { 1409157114Sscottl bio->bio_flags |= BIO_ERROR; 1410157114Sscottl bio->bio_error = EIO; 1411157114Sscottl device_printf(sc->mfi_dev, "I/O error, status= %d " 1412157114Sscottl "scsi_status= %d\n", hdr->cmd_status, hdr->scsi_status); 1413157114Sscottl mfi_print_sense(cm->cm_sc, cm->cm_sense); 1414184897Sambrisko } else if (cm->cm_error != 0) { 1415184897Sambrisko bio->bio_flags |= BIO_ERROR; 1416157114Sscottl } 1417157114Sscottl 1418157114Sscottl mfi_release_command(cm); 1419157114Sscottl mfi_disk_complete(bio); 1420157114Sscottl} 1421157114Sscottl 1422157114Sscottlvoid 1423157114Sscottlmfi_startio(struct mfi_softc *sc) 1424157114Sscottl{ 1425157114Sscottl struct mfi_command *cm; 1426169611Sscottl struct ccb_hdr *ccbh; 1427157114Sscottl 1428157114Sscottl for (;;) { 1429157114Sscottl /* Don't bother if we're short on resources */ 1430157114Sscottl if (sc->mfi_flags & MFI_FLAGS_QFRZN) 1431157114Sscottl break; 1432157114Sscottl 1433157114Sscottl /* Try a command that has already been prepared */ 1434157114Sscottl cm = mfi_dequeue_ready(sc); 1435157114Sscottl 1436169611Sscottl if (cm == NULL) { 1437169611Sscottl if ((ccbh = TAILQ_FIRST(&sc->mfi_cam_ccbq)) != NULL) 1438169611Sscottl cm = sc->mfi_cam_start(ccbh); 1439169611Sscottl } 1440169611Sscottl 1441157114Sscottl /* Nope, so look for work on the bioq */ 1442157114Sscottl if (cm == NULL) 1443157114Sscottl cm = mfi_bio_command(sc); 1444157114Sscottl 1445157114Sscottl /* No work available, so exit */ 1446157114Sscottl if (cm == NULL) 1447157114Sscottl break; 1448157114Sscottl 1449157114Sscottl /* Send the command to the controller */ 1450157114Sscottl if (mfi_mapcmd(sc, cm) != 0) { 1451157114Sscottl mfi_requeue_ready(cm); 1452157114Sscottl break; 1453157114Sscottl } 1454157114Sscottl } 1455157114Sscottl} 1456157114Sscottl 1457157114Sscottlstatic int 1458157114Sscottlmfi_mapcmd(struct mfi_softc *sc, struct mfi_command *cm) 1459157114Sscottl{ 1460157114Sscottl int error, polled; 1461157114Sscottl 1462163398Sscottl mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1463163398Sscottl 1464157114Sscottl if (cm->cm_data != NULL) { 1465157114Sscottl polled = (cm->cm_flags & MFI_CMD_POLLED) ? BUS_DMA_NOWAIT : 0; 1466157114Sscottl error = bus_dmamap_load(sc->mfi_buffer_dmat, cm->cm_dmamap, 1467157114Sscottl cm->cm_data, cm->cm_len, mfi_data_cb, cm, polled); 1468157114Sscottl if (error == EINPROGRESS) { 1469157114Sscottl sc->mfi_flags |= MFI_FLAGS_QFRZN; 1470157114Sscottl return (0); 1471157114Sscottl } 1472157114Sscottl } else { 1473157114Sscottl error = mfi_send_frame(sc, cm); 1474157114Sscottl } 1475157114Sscottl 1476157114Sscottl return (error); 1477157114Sscottl} 1478157114Sscottl 1479157114Sscottlstatic void 1480157114Sscottlmfi_data_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error) 1481157114Sscottl{ 1482157114Sscottl struct mfi_frame_header *hdr; 1483157114Sscottl struct mfi_command *cm; 1484157237Sscottl union mfi_sgl *sgl; 1485157114Sscottl struct mfi_softc *sc; 1486157114Sscottl int i, dir; 1487157114Sscottl 1488157114Sscottl cm = (struct mfi_command *)arg; 1489157114Sscottl sc = cm->cm_sc; 1490157237Sscottl hdr = &cm->cm_frame->header; 1491157237Sscottl sgl = cm->cm_sg; 1492157114Sscottl 1493170284Sambrisko if (error) { 1494170284Sambrisko printf("error %d in callback\n", error); 1495170284Sambrisko cm->cm_error = error; 1496170284Sambrisko mfi_complete(sc, cm); 1497170284Sambrisko return; 1498170284Sambrisko } 1499170284Sambrisko 1500157237Sscottl if ((sc->mfi_flags & MFI_FLAGS_SG64) == 0) { 1501157237Sscottl for (i = 0; i < nsegs; i++) { 1502157237Sscottl sgl->sg32[i].addr = segs[i].ds_addr; 1503157237Sscottl sgl->sg32[i].len = segs[i].ds_len; 1504157114Sscottl } 1505157237Sscottl } else { 1506157237Sscottl for (i = 0; i < nsegs; i++) { 1507157237Sscottl sgl->sg64[i].addr = segs[i].ds_addr; 1508157237Sscottl sgl->sg64[i].len = segs[i].ds_len; 1509157237Sscottl } 1510157237Sscottl hdr->flags |= MFI_FRAME_SGL64; 1511157114Sscottl } 1512157114Sscottl hdr->sg_count = nsegs; 1513157114Sscottl 1514157114Sscottl dir = 0; 1515157114Sscottl if (cm->cm_flags & MFI_CMD_DATAIN) { 1516157114Sscottl dir |= BUS_DMASYNC_PREREAD; 1517157114Sscottl hdr->flags |= MFI_FRAME_DIR_READ; 1518157114Sscottl } 1519157114Sscottl if (cm->cm_flags & MFI_CMD_DATAOUT) { 1520157114Sscottl dir |= BUS_DMASYNC_PREWRITE; 1521157114Sscottl hdr->flags |= MFI_FRAME_DIR_WRITE; 1522157114Sscottl } 1523157114Sscottl bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, dir); 1524157114Sscottl cm->cm_flags |= MFI_CMD_MAPPED; 1525157114Sscottl 1526157114Sscottl /* 1527157114Sscottl * Instead of calculating the total number of frames in the 1528157114Sscottl * compound frame, it's already assumed that there will be at 1529157114Sscottl * least 1 frame, so don't compensate for the modulo of the 1530157114Sscottl * following division. 1531157114Sscottl */ 1532162458Sscottl cm->cm_total_frame_size += (sc->mfi_sge_size * nsegs); 1533157114Sscottl cm->cm_extra_frames = (cm->cm_total_frame_size - 1) / MFI_FRAME_SIZE; 1534157114Sscottl 1535164375Sscottl mfi_send_frame(sc, cm); 1536157114Sscottl 1537157114Sscottl return; 1538157114Sscottl} 1539157114Sscottl 1540157114Sscottlstatic int 1541157114Sscottlmfi_send_frame(struct mfi_softc *sc, struct mfi_command *cm) 1542157114Sscottl{ 1543164375Sscottl struct mfi_frame_header *hdr; 1544165225Sambrisko int tm = MFI_POLL_TIMEOUT_SECS * 1000; 1545157114Sscottl 1546164375Sscottl hdr = &cm->cm_frame->header; 1547164375Sscottl 1548164375Sscottl if ((cm->cm_flags & MFI_CMD_POLLED) == 0) { 1549164375Sscottl cm->cm_timestamp = time_uptime; 1550164375Sscottl mfi_enqueue_busy(cm); 1551164375Sscottl } else { 1552164375Sscottl hdr->cmd_status = 0xff; 1553164375Sscottl hdr->flags |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE; 1554164375Sscottl } 1555164375Sscottl 1556157114Sscottl /* 1557157114Sscottl * The bus address of the command is aligned on a 64 byte boundary, 1558157114Sscottl * leaving the least 6 bits as zero. For whatever reason, the 1559157114Sscottl * hardware wants the address shifted right by three, leaving just 1560162458Sscottl * 3 zero bits. These three bits are then used as a prefetching 1561162458Sscottl * hint for the hardware to predict how many frames need to be 1562162458Sscottl * fetched across the bus. If a command has more than 8 frames 1563162458Sscottl * then the 3 bits are set to 0x7 and the firmware uses other 1564162458Sscottl * information in the command to determine the total amount to fetch. 1565162458Sscottl * However, FreeBSD doesn't support I/O larger than 128K, so 8 frames 1566162458Sscottl * is enough for both 32bit and 64bit systems. 1567157114Sscottl */ 1568162458Sscottl if (cm->cm_extra_frames > 7) 1569162458Sscottl cm->cm_extra_frames = 7; 1570162458Sscottl 1571171980Sscottl sc->mfi_issue_cmd(sc,cm->cm_frame_busaddr,cm->cm_extra_frames); 1572164375Sscottl 1573164375Sscottl if ((cm->cm_flags & MFI_CMD_POLLED) == 0) 1574164375Sscottl return (0); 1575164375Sscottl 1576164375Sscottl /* This is a polled command, so busy-wait for it to complete. */ 1577164375Sscottl while (hdr->cmd_status == 0xff) { 1578164375Sscottl DELAY(1000); 1579165225Sambrisko tm -= 1; 1580164375Sscottl if (tm <= 0) 1581164375Sscottl break; 1582164375Sscottl } 1583164375Sscottl 1584164375Sscottl if (hdr->cmd_status == 0xff) { 1585165225Sambrisko device_printf(sc->mfi_dev, "Frame %p timed out " 1586165225Sambrisko "command 0x%X\n", hdr, cm->cm_frame->dcmd.opcode); 1587164375Sscottl return (ETIMEDOUT); 1588164375Sscottl } 1589164375Sscottl 1590157114Sscottl return (0); 1591157114Sscottl} 1592157114Sscottl 1593157114Sscottlstatic void 1594157114Sscottlmfi_complete(struct mfi_softc *sc, struct mfi_command *cm) 1595157114Sscottl{ 1596157114Sscottl int dir; 1597157114Sscottl 1598157114Sscottl if ((cm->cm_flags & MFI_CMD_MAPPED) != 0) { 1599157114Sscottl dir = 0; 1600157114Sscottl if (cm->cm_flags & MFI_CMD_DATAIN) 1601157114Sscottl dir |= BUS_DMASYNC_POSTREAD; 1602157114Sscottl if (cm->cm_flags & MFI_CMD_DATAOUT) 1603157114Sscottl dir |= BUS_DMASYNC_POSTWRITE; 1604157114Sscottl 1605157114Sscottl bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, dir); 1606157114Sscottl bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 1607157114Sscottl cm->cm_flags &= ~MFI_CMD_MAPPED; 1608157114Sscottl } 1609157114Sscottl 1610170284Sambrisko cm->cm_flags |= MFI_CMD_COMPLETED; 1611170284Sambrisko 1612157114Sscottl if (cm->cm_complete != NULL) 1613157114Sscottl cm->cm_complete(cm); 1614159811Sps else 1615159811Sps wakeup(cm); 1616157114Sscottl} 1617157114Sscottl 1618158737Sambriskostatic int 1619158737Sambriskomfi_abort(struct mfi_softc *sc, struct mfi_command *cm_abort) 1620158737Sambrisko{ 1621158737Sambrisko struct mfi_command *cm; 1622158737Sambrisko struct mfi_abort_frame *abort; 1623165225Sambrisko int i = 0; 1624158737Sambrisko 1625163398Sscottl mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1626163398Sscottl 1627158737Sambrisko if ((cm = mfi_dequeue_free(sc)) == NULL) { 1628158737Sambrisko return (EBUSY); 1629158737Sambrisko } 1630158737Sambrisko 1631158737Sambrisko abort = &cm->cm_frame->abort; 1632158737Sambrisko abort->header.cmd = MFI_CMD_ABORT; 1633158737Sambrisko abort->header.flags = 0; 1634158737Sambrisko abort->abort_context = cm_abort->cm_frame->header.context; 1635158737Sambrisko abort->abort_mfi_addr_lo = cm_abort->cm_frame_busaddr; 1636158737Sambrisko abort->abort_mfi_addr_hi = 0; 1637158737Sambrisko cm->cm_data = NULL; 1638164375Sscottl cm->cm_flags = MFI_CMD_POLLED; 1639158737Sambrisko 1640158737Sambrisko sc->mfi_aen_cm->cm_aen_abort = 1; 1641158737Sambrisko mfi_mapcmd(sc, cm); 1642158737Sambrisko mfi_release_command(cm); 1643158737Sambrisko 1644165225Sambrisko while (i < 5 && sc->mfi_aen_cm != NULL) { 1645163398Sscottl msleep(&sc->mfi_aen_cm, &sc->mfi_io_lock, 0, "mfiabort", 5 * hz); 1646165225Sambrisko i++; 1647158737Sambrisko } 1648158737Sambrisko 1649158737Sambrisko return (0); 1650158737Sambrisko} 1651158737Sambrisko 1652157114Sscottlint 1653157114Sscottlmfi_dump_blocks(struct mfi_softc *sc, int id, uint64_t lba, void *virt, int len) 1654157114Sscottl{ 1655157114Sscottl struct mfi_command *cm; 1656157114Sscottl struct mfi_io_frame *io; 1657157114Sscottl int error; 1658157114Sscottl 1659157114Sscottl if ((cm = mfi_dequeue_free(sc)) == NULL) 1660157114Sscottl return (EBUSY); 1661157114Sscottl 1662157114Sscottl io = &cm->cm_frame->io; 1663157114Sscottl io->header.cmd = MFI_CMD_LD_WRITE; 1664157114Sscottl io->header.target_id = id; 1665157114Sscottl io->header.timeout = 0; 1666157114Sscottl io->header.flags = 0; 1667157114Sscottl io->header.sense_len = MFI_SENSE_LEN; 1668157114Sscottl io->header.data_len = (len + MFI_SECTOR_LEN - 1) / MFI_SECTOR_LEN; 1669157114Sscottl io->sense_addr_lo = cm->cm_sense_busaddr; 1670157114Sscottl io->sense_addr_hi = 0; 1671157114Sscottl io->lba_hi = (lba & 0xffffffff00000000) >> 32; 1672157114Sscottl io->lba_lo = lba & 0xffffffff; 1673157114Sscottl cm->cm_data = virt; 1674157114Sscottl cm->cm_len = len; 1675157114Sscottl cm->cm_sg = &io->sgl; 1676157114Sscottl cm->cm_total_frame_size = MFI_IO_FRAME_SIZE; 1677157114Sscottl cm->cm_flags = MFI_CMD_POLLED | MFI_CMD_DATAOUT; 1678157114Sscottl 1679164375Sscottl error = mfi_mapcmd(sc, cm); 1680157114Sscottl bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, 1681157114Sscottl BUS_DMASYNC_POSTWRITE); 1682157114Sscottl bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap); 1683157114Sscottl mfi_release_command(cm); 1684157114Sscottl 1685157114Sscottl return (error); 1686157114Sscottl} 1687157114Sscottl 1688157114Sscottlstatic int 1689192450Simpmfi_open(struct cdev *dev, int flags, int fmt, struct thread *td) 1690157114Sscottl{ 1691157114Sscottl struct mfi_softc *sc; 1692171822Sjhb int error; 1693157114Sscottl 1694157114Sscottl sc = dev->si_drv1; 1695163398Sscottl 1696163398Sscottl mtx_lock(&sc->mfi_io_lock); 1697171822Sjhb if (sc->mfi_detaching) 1698171822Sjhb error = ENXIO; 1699171822Sjhb else { 1700171822Sjhb sc->mfi_flags |= MFI_FLAGS_OPEN; 1701171822Sjhb error = 0; 1702171822Sjhb } 1703163398Sscottl mtx_unlock(&sc->mfi_io_lock); 1704157114Sscottl 1705171822Sjhb return (error); 1706157114Sscottl} 1707157114Sscottl 1708157114Sscottlstatic int 1709192450Simpmfi_close(struct cdev *dev, int flags, int fmt, struct thread *td) 1710157114Sscottl{ 1711157114Sscottl struct mfi_softc *sc; 1712163398Sscottl struct mfi_aen *mfi_aen_entry, *tmp; 1713157114Sscottl 1714157114Sscottl sc = dev->si_drv1; 1715163398Sscottl 1716163398Sscottl mtx_lock(&sc->mfi_io_lock); 1717157114Sscottl sc->mfi_flags &= ~MFI_FLAGS_OPEN; 1718157114Sscottl 1719163398Sscottl TAILQ_FOREACH_SAFE(mfi_aen_entry, &sc->mfi_aen_pids, aen_link, tmp) { 1720158737Sambrisko if (mfi_aen_entry->p == curproc) { 1721158737Sambrisko TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry, 1722158737Sambrisko aen_link); 1723158737Sambrisko free(mfi_aen_entry, M_MFIBUF); 1724158737Sambrisko } 1725158737Sambrisko } 1726163398Sscottl mtx_unlock(&sc->mfi_io_lock); 1727157114Sscottl return (0); 1728157114Sscottl} 1729157114Sscottl 1730157114Sscottlstatic int 1731171821Sjhbmfi_config_lock(struct mfi_softc *sc, uint32_t opcode) 1732171821Sjhb{ 1733171821Sjhb 1734171821Sjhb switch (opcode) { 1735171821Sjhb case MFI_DCMD_LD_DELETE: 1736171821Sjhb case MFI_DCMD_CFG_ADD: 1737171821Sjhb case MFI_DCMD_CFG_CLEAR: 1738171821Sjhb sx_xlock(&sc->mfi_config_lock); 1739171821Sjhb return (1); 1740171821Sjhb default: 1741171821Sjhb return (0); 1742171821Sjhb } 1743171821Sjhb} 1744171821Sjhb 1745171821Sjhbstatic void 1746171821Sjhbmfi_config_unlock(struct mfi_softc *sc, int locked) 1747171821Sjhb{ 1748171821Sjhb 1749171821Sjhb if (locked) 1750171821Sjhb sx_xunlock(&sc->mfi_config_lock); 1751171821Sjhb} 1752171821Sjhb 1753171821Sjhb/* Perform pre-issue checks on commands from userland and possibly veto them. */ 1754171821Sjhbstatic int 1755171821Sjhbmfi_check_command_pre(struct mfi_softc *sc, struct mfi_command *cm) 1756171821Sjhb{ 1757171821Sjhb struct mfi_disk *ld, *ld2; 1758171821Sjhb int error; 1759171821Sjhb 1760171821Sjhb mtx_assert(&sc->mfi_io_lock, MA_OWNED); 1761171821Sjhb error = 0; 1762171821Sjhb switch (cm->cm_frame->dcmd.opcode) { 1763171821Sjhb case MFI_DCMD_LD_DELETE: 1764171821Sjhb TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) { 1765171821Sjhb if (ld->ld_id == cm->cm_frame->dcmd.mbox[0]) 1766171821Sjhb break; 1767171821Sjhb } 1768171821Sjhb if (ld == NULL) 1769171821Sjhb error = ENOENT; 1770171821Sjhb else 1771171821Sjhb error = mfi_disk_disable(ld); 1772171821Sjhb break; 1773171821Sjhb case MFI_DCMD_CFG_CLEAR: 1774171821Sjhb TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) { 1775171821Sjhb error = mfi_disk_disable(ld); 1776171821Sjhb if (error) 1777171821Sjhb break; 1778171821Sjhb } 1779171821Sjhb if (error) { 1780171821Sjhb TAILQ_FOREACH(ld2, &sc->mfi_ld_tqh, ld_link) { 1781171821Sjhb if (ld2 == ld) 1782171821Sjhb break; 1783171821Sjhb mfi_disk_enable(ld2); 1784171821Sjhb } 1785171821Sjhb } 1786171821Sjhb break; 1787171821Sjhb default: 1788171821Sjhb break; 1789171821Sjhb } 1790171821Sjhb return (error); 1791171821Sjhb} 1792171821Sjhb 1793171821Sjhb/* Perform post-issue checks on commands from userland. */ 1794171821Sjhbstatic void 1795171821Sjhbmfi_check_command_post(struct mfi_softc *sc, struct mfi_command *cm) 1796171821Sjhb{ 1797171821Sjhb struct mfi_disk *ld, *ldn; 1798171821Sjhb 1799171821Sjhb switch (cm->cm_frame->dcmd.opcode) { 1800171821Sjhb case MFI_DCMD_LD_DELETE: 1801171821Sjhb TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) { 1802171821Sjhb if (ld->ld_id == cm->cm_frame->dcmd.mbox[0]) 1803171821Sjhb break; 1804171821Sjhb } 1805171821Sjhb KASSERT(ld != NULL, ("volume dissappeared")); 1806171821Sjhb if (cm->cm_frame->header.cmd_status == MFI_STAT_OK) { 1807171821Sjhb mtx_unlock(&sc->mfi_io_lock); 1808196403Sjhb mtx_lock(&Giant); 1809171821Sjhb device_delete_child(sc->mfi_dev, ld->ld_dev); 1810196403Sjhb mtx_unlock(&Giant); 1811171821Sjhb mtx_lock(&sc->mfi_io_lock); 1812171821Sjhb } else 1813171821Sjhb mfi_disk_enable(ld); 1814171821Sjhb break; 1815171821Sjhb case MFI_DCMD_CFG_CLEAR: 1816171821Sjhb if (cm->cm_frame->header.cmd_status == MFI_STAT_OK) { 1817171821Sjhb mtx_unlock(&sc->mfi_io_lock); 1818196403Sjhb mtx_lock(&Giant); 1819171821Sjhb TAILQ_FOREACH_SAFE(ld, &sc->mfi_ld_tqh, ld_link, ldn) { 1820171821Sjhb device_delete_child(sc->mfi_dev, ld->ld_dev); 1821171821Sjhb } 1822196403Sjhb mtx_unlock(&Giant); 1823171821Sjhb mtx_lock(&sc->mfi_io_lock); 1824171821Sjhb } else { 1825171821Sjhb TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) 1826171821Sjhb mfi_disk_enable(ld); 1827171821Sjhb } 1828171821Sjhb break; 1829171821Sjhb case MFI_DCMD_CFG_ADD: 1830171821Sjhb mfi_ldprobe(sc); 1831171821Sjhb break; 1832184897Sambrisko case MFI_DCMD_CFG_FOREIGN_IMPORT: 1833184897Sambrisko mfi_ldprobe(sc); 1834184897Sambrisko break; 1835171821Sjhb } 1836171821Sjhb} 1837171821Sjhb 1838171821Sjhbstatic int 1839178968Sscottlmfi_user_command(struct mfi_softc *sc, struct mfi_ioc_passthru *ioc) 1840178968Sscottl{ 1841178968Sscottl struct mfi_command *cm; 1842178968Sscottl struct mfi_dcmd_frame *dcmd; 1843178968Sscottl void *ioc_buf = NULL; 1844178968Sscottl uint32_t context; 1845178968Sscottl int error = 0, locked; 1846178968Sscottl 1847178968Sscottl 1848178968Sscottl if (ioc->buf_size > 0) { 1849178968Sscottl ioc_buf = malloc(ioc->buf_size, M_MFIBUF, M_WAITOK); 1850178968Sscottl if (ioc_buf == NULL) { 1851178968Sscottl return (ENOMEM); 1852178968Sscottl } 1853178968Sscottl error = copyin(ioc->buf, ioc_buf, ioc->buf_size); 1854178968Sscottl if (error) { 1855178968Sscottl device_printf(sc->mfi_dev, "failed to copyin\n"); 1856178968Sscottl free(ioc_buf, M_MFIBUF); 1857178968Sscottl return (error); 1858178968Sscottl } 1859178968Sscottl } 1860178968Sscottl 1861178968Sscottl locked = mfi_config_lock(sc, ioc->ioc_frame.opcode); 1862178968Sscottl 1863178968Sscottl mtx_lock(&sc->mfi_io_lock); 1864178968Sscottl while ((cm = mfi_dequeue_free(sc)) == NULL) 1865178968Sscottl msleep(mfi_user_command, &sc->mfi_io_lock, 0, "mfiioc", hz); 1866178968Sscottl 1867178968Sscottl /* Save context for later */ 1868178968Sscottl context = cm->cm_frame->header.context; 1869178968Sscottl 1870178968Sscottl dcmd = &cm->cm_frame->dcmd; 1871178968Sscottl bcopy(&ioc->ioc_frame, dcmd, sizeof(struct mfi_dcmd_frame)); 1872178968Sscottl 1873178968Sscottl cm->cm_sg = &dcmd->sgl; 1874178968Sscottl cm->cm_total_frame_size = MFI_DCMD_FRAME_SIZE; 1875178968Sscottl cm->cm_data = ioc_buf; 1876178968Sscottl cm->cm_len = ioc->buf_size; 1877178968Sscottl 1878178968Sscottl /* restore context */ 1879178968Sscottl cm->cm_frame->header.context = context; 1880178968Sscottl 1881178968Sscottl /* Cheat since we don't know if we're writing or reading */ 1882178968Sscottl cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_DATAOUT; 1883178968Sscottl 1884178968Sscottl error = mfi_check_command_pre(sc, cm); 1885178968Sscottl if (error) 1886178968Sscottl goto out; 1887178968Sscottl 1888178968Sscottl error = mfi_wait_command(sc, cm); 1889178968Sscottl if (error) { 1890178968Sscottl device_printf(sc->mfi_dev, "ioctl failed %d\n", error); 1891178968Sscottl goto out; 1892178968Sscottl } 1893178968Sscottl bcopy(dcmd, &ioc->ioc_frame, sizeof(struct mfi_dcmd_frame)); 1894178968Sscottl mfi_check_command_post(sc, cm); 1895178968Sscottlout: 1896178968Sscottl mfi_release_command(cm); 1897178968Sscottl mtx_unlock(&sc->mfi_io_lock); 1898178968Sscottl mfi_config_unlock(sc, locked); 1899178968Sscottl if (ioc->buf_size > 0) 1900178968Sscottl error = copyout(ioc_buf, ioc->buf, ioc->buf_size); 1901178968Sscottl if (ioc_buf) 1902178968Sscottl free(ioc_buf, M_MFIBUF); 1903178968Sscottl return (error); 1904178968Sscottl} 1905178968Sscottl 1906178968Sscottl#ifdef __amd64__ 1907178968Sscottl#define PTRIN(p) ((void *)(uintptr_t)(p)) 1908178968Sscottl#else 1909178968Sscottl#define PTRIN(p) (p) 1910178968Sscottl#endif 1911178968Sscottl 1912178968Sscottlstatic int 1913192450Simpmfi_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td) 1914157114Sscottl{ 1915157114Sscottl struct mfi_softc *sc; 1916157114Sscottl union mfi_statrequest *ms; 1917164281Sambrisko struct mfi_ioc_packet *ioc; 1918179392Sambrisko#ifdef __amd64__ 1919179392Sambrisko struct mfi_ioc_packet32 *ioc32; 1920179392Sambrisko#endif 1921164281Sambrisko struct mfi_ioc_aen *aen; 1922164281Sambrisko struct mfi_command *cm = NULL; 1923164281Sambrisko uint32_t context; 1924184897Sambrisko union mfi_sense_ptr sense_ptr; 1925164281Sambrisko uint8_t *data = NULL, *temp; 1926164281Sambrisko int i; 1927178968Sscottl struct mfi_ioc_passthru *iop = (struct mfi_ioc_passthru *)arg; 1928178968Sscottl#ifdef __amd64__ 1929178968Sscottl struct mfi_ioc_passthru32 *iop32 = (struct mfi_ioc_passthru32 *)arg; 1930178968Sscottl struct mfi_ioc_passthru iop_swab; 1931178968Sscottl#endif 1932171821Sjhb int error, locked; 1933157114Sscottl 1934157114Sscottl sc = dev->si_drv1; 1935157114Sscottl error = 0; 1936157114Sscottl 1937157114Sscottl switch (cmd) { 1938157114Sscottl case MFIIO_STATS: 1939157114Sscottl ms = (union mfi_statrequest *)arg; 1940157114Sscottl switch (ms->ms_item) { 1941157114Sscottl case MFIQ_FREE: 1942157114Sscottl case MFIQ_BIO: 1943157114Sscottl case MFIQ_READY: 1944157114Sscottl case MFIQ_BUSY: 1945157114Sscottl bcopy(&sc->mfi_qstat[ms->ms_item], &ms->ms_qstat, 1946157114Sscottl sizeof(struct mfi_qstat)); 1947157114Sscottl break; 1948157114Sscottl default: 1949158737Sambrisko error = ENOIOCTL; 1950157114Sscottl break; 1951157114Sscottl } 1952157114Sscottl break; 1953169451Sscottl case MFIIO_QUERY_DISK: 1954169451Sscottl { 1955169451Sscottl struct mfi_query_disk *qd; 1956169451Sscottl struct mfi_disk *ld; 1957169451Sscottl 1958169451Sscottl qd = (struct mfi_query_disk *)arg; 1959169451Sscottl mtx_lock(&sc->mfi_io_lock); 1960169451Sscottl TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) { 1961169451Sscottl if (ld->ld_id == qd->array_id) 1962169451Sscottl break; 1963169451Sscottl } 1964169451Sscottl if (ld == NULL) { 1965169451Sscottl qd->present = 0; 1966169451Sscottl mtx_unlock(&sc->mfi_io_lock); 1967169451Sscottl return (0); 1968169451Sscottl } 1969169451Sscottl qd->present = 1; 1970169451Sscottl if (ld->ld_flags & MFI_DISK_FLAGS_OPEN) 1971169451Sscottl qd->open = 1; 1972169451Sscottl bzero(qd->devname, SPECNAMELEN + 1); 1973169451Sscottl snprintf(qd->devname, SPECNAMELEN, "mfid%d", ld->ld_unit); 1974169451Sscottl mtx_unlock(&sc->mfi_io_lock); 1975169451Sscottl break; 1976169451Sscottl } 1977164281Sambrisko case MFI_CMD: 1978179392Sambrisko#ifdef __amd64__ 1979179392Sambrisko case MFI_CMD32: 1980179392Sambrisko#endif 1981177489Sambrisko { 1982177489Sambrisko devclass_t devclass; 1983164281Sambrisko ioc = (struct mfi_ioc_packet *)arg; 1984177489Sambrisko int adapter; 1985164281Sambrisko 1986177489Sambrisko adapter = ioc->mfi_adapter_no; 1987177489Sambrisko if (device_get_unit(sc->mfi_dev) == 0 && adapter != 0) { 1988177489Sambrisko devclass = devclass_find("mfi"); 1989177489Sambrisko sc = devclass_get_softc(devclass, adapter); 1990177489Sambrisko } 1991164281Sambrisko mtx_lock(&sc->mfi_io_lock); 1992164281Sambrisko if ((cm = mfi_dequeue_free(sc)) == NULL) { 1993164281Sambrisko mtx_unlock(&sc->mfi_io_lock); 1994164281Sambrisko return (EBUSY); 1995164281Sambrisko } 1996164281Sambrisko mtx_unlock(&sc->mfi_io_lock); 1997171821Sjhb locked = 0; 1998164281Sambrisko 1999164281Sambrisko /* 2000164281Sambrisko * save off original context since copying from user 2001164281Sambrisko * will clobber some data 2002164281Sambrisko */ 2003164281Sambrisko context = cm->cm_frame->header.context; 2004164281Sambrisko 2005165225Sambrisko bcopy(ioc->mfi_frame.raw, cm->cm_frame, 2006184897Sambrisko 2 * MFI_DCMD_FRAME_SIZE); /* this isn't quite right */ 2007184897Sambrisko cm->cm_total_frame_size = (sizeof(union mfi_sgl) 2008184897Sambrisko * ioc->mfi_sge_count) + ioc->mfi_sgl_off; 2009175897Sambrisko if (ioc->mfi_sge_count) { 2010175897Sambrisko cm->cm_sg = 2011175897Sambrisko (union mfi_sgl *)&cm->cm_frame->bytes[ioc->mfi_sgl_off]; 2012175897Sambrisko } 2013175897Sambrisko cm->cm_flags = 0; 2014175897Sambrisko if (cm->cm_frame->header.flags & MFI_FRAME_DATAIN) 2015175897Sambrisko cm->cm_flags |= MFI_CMD_DATAIN; 2016175897Sambrisko if (cm->cm_frame->header.flags & MFI_FRAME_DATAOUT) 2017175897Sambrisko cm->cm_flags |= MFI_CMD_DATAOUT; 2018175897Sambrisko /* Legacy app shim */ 2019175897Sambrisko if (cm->cm_flags == 0) 2020175897Sambrisko cm->cm_flags |= MFI_CMD_DATAIN | MFI_CMD_DATAOUT; 2021164281Sambrisko cm->cm_len = cm->cm_frame->header.data_len; 2022184897Sambrisko if (cm->cm_len && 2023184897Sambrisko (cm->cm_flags & (MFI_CMD_DATAIN | MFI_CMD_DATAOUT))) { 2024175897Sambrisko cm->cm_data = data = malloc(cm->cm_len, M_MFIBUF, 2025175897Sambrisko M_WAITOK | M_ZERO); 2026175897Sambrisko if (cm->cm_data == NULL) { 2027175897Sambrisko device_printf(sc->mfi_dev, "Malloc failed\n"); 2028175897Sambrisko goto out; 2029175897Sambrisko } 2030175897Sambrisko } else { 2031175897Sambrisko cm->cm_data = 0; 2032165225Sambrisko } 2033164281Sambrisko 2034164281Sambrisko /* restore header context */ 2035164281Sambrisko cm->cm_frame->header.context = context; 2036164281Sambrisko 2037164281Sambrisko temp = data; 2038175897Sambrisko if (cm->cm_flags & MFI_CMD_DATAOUT) { 2039175897Sambrisko for (i = 0; i < ioc->mfi_sge_count; i++) { 2040179392Sambrisko#ifdef __amd64__ 2041179392Sambrisko if (cmd == MFI_CMD) { 2042179392Sambrisko /* Native */ 2043179392Sambrisko error = copyin(ioc->mfi_sgl[i].iov_base, 2044179392Sambrisko temp, 2045179392Sambrisko ioc->mfi_sgl[i].iov_len); 2046179392Sambrisko } else { 2047179392Sambrisko void *temp_convert; 2048179392Sambrisko /* 32bit */ 2049179392Sambrisko ioc32 = (struct mfi_ioc_packet32 *)ioc; 2050179392Sambrisko temp_convert = 2051179392Sambrisko PTRIN(ioc32->mfi_sgl[i].iov_base); 2052179392Sambrisko error = copyin(temp_convert, 2053179392Sambrisko temp, 2054179392Sambrisko ioc32->mfi_sgl[i].iov_len); 2055179392Sambrisko } 2056179392Sambrisko#else 2057175897Sambrisko error = copyin(ioc->mfi_sgl[i].iov_base, 2058175897Sambrisko temp, 2059175897Sambrisko ioc->mfi_sgl[i].iov_len); 2060179392Sambrisko#endif 2061175897Sambrisko if (error != 0) { 2062175897Sambrisko device_printf(sc->mfi_dev, 2063175897Sambrisko "Copy in failed\n"); 2064175897Sambrisko goto out; 2065175897Sambrisko } 2066175897Sambrisko temp = &temp[ioc->mfi_sgl[i].iov_len]; 2067164281Sambrisko } 2068164281Sambrisko } 2069164281Sambrisko 2070171821Sjhb if (cm->cm_frame->header.cmd == MFI_CMD_DCMD) 2071171821Sjhb locked = mfi_config_lock(sc, cm->cm_frame->dcmd.opcode); 2072171821Sjhb 2073184933Sambrisko if (cm->cm_frame->header.cmd == MFI_CMD_PD_SCSI_IO) { 2074184933Sambrisko cm->cm_frame->pass.sense_addr_lo = cm->cm_sense_busaddr; 2075184933Sambrisko cm->cm_frame->pass.sense_addr_hi = 0; 2076184933Sambrisko } 2077184933Sambrisko 2078164281Sambrisko mtx_lock(&sc->mfi_io_lock); 2079171821Sjhb error = mfi_check_command_pre(sc, cm); 2080171821Sjhb if (error) { 2081171821Sjhb mtx_unlock(&sc->mfi_io_lock); 2082171821Sjhb goto out; 2083171821Sjhb } 2084171821Sjhb 2085170284Sambrisko if ((error = mfi_wait_command(sc, cm)) != 0) { 2086164281Sambrisko device_printf(sc->mfi_dev, 2087165225Sambrisko "Controller polled failed\n"); 2088164281Sambrisko mtx_unlock(&sc->mfi_io_lock); 2089164281Sambrisko goto out; 2090164281Sambrisko } 2091164281Sambrisko 2092171821Sjhb mfi_check_command_post(sc, cm); 2093164281Sambrisko mtx_unlock(&sc->mfi_io_lock); 2094164281Sambrisko 2095164281Sambrisko temp = data; 2096175897Sambrisko if (cm->cm_flags & MFI_CMD_DATAIN) { 2097175897Sambrisko for (i = 0; i < ioc->mfi_sge_count; i++) { 2098179392Sambrisko#ifdef __amd64__ 2099179392Sambrisko if (cmd == MFI_CMD) { 2100179392Sambrisko /* Native */ 2101179392Sambrisko error = copyout(temp, 2102179392Sambrisko ioc->mfi_sgl[i].iov_base, 2103179392Sambrisko ioc->mfi_sgl[i].iov_len); 2104179392Sambrisko } else { 2105179392Sambrisko void *temp_convert; 2106179392Sambrisko /* 32bit */ 2107179392Sambrisko ioc32 = (struct mfi_ioc_packet32 *)ioc; 2108179392Sambrisko temp_convert = 2109179392Sambrisko PTRIN(ioc32->mfi_sgl[i].iov_base); 2110179392Sambrisko error = copyout(temp, 2111179392Sambrisko temp_convert, 2112179392Sambrisko ioc32->mfi_sgl[i].iov_len); 2113179392Sambrisko } 2114179392Sambrisko#else 2115175897Sambrisko error = copyout(temp, 2116175897Sambrisko ioc->mfi_sgl[i].iov_base, 2117175897Sambrisko ioc->mfi_sgl[i].iov_len); 2118179392Sambrisko#endif 2119175897Sambrisko if (error != 0) { 2120175897Sambrisko device_printf(sc->mfi_dev, 2121175897Sambrisko "Copy out failed\n"); 2122175897Sambrisko goto out; 2123175897Sambrisko } 2124175897Sambrisko temp = &temp[ioc->mfi_sgl[i].iov_len]; 2125164281Sambrisko } 2126164281Sambrisko } 2127164281Sambrisko 2128165225Sambrisko if (ioc->mfi_sense_len) { 2129184897Sambrisko /* get user-space sense ptr then copy out sense */ 2130184897Sambrisko bcopy(&((struct mfi_ioc_packet*)arg) 2131184897Sambrisko ->mfi_frame.raw[ioc->mfi_sense_off], 2132184897Sambrisko &sense_ptr.sense_ptr_data[0], 2133184897Sambrisko sizeof(sense_ptr.sense_ptr_data)); 2134184974Sambrisko#ifdef __amd64__ 2135184974Sambrisko if (cmd != MFI_CMD) { 2136184974Sambrisko /* 2137184974Sambrisko * not 64bit native so zero out any address 2138184974Sambrisko * over 32bit */ 2139184975Sambrisko sense_ptr.addr.high = 0; 2140184974Sambrisko } 2141184974Sambrisko#endif 2142184897Sambrisko error = copyout(cm->cm_sense, sense_ptr.user_space, 2143165225Sambrisko ioc->mfi_sense_len); 2144164281Sambrisko if (error != 0) { 2145164281Sambrisko device_printf(sc->mfi_dev, 2146165225Sambrisko "Copy out failed\n"); 2147164281Sambrisko goto out; 2148164281Sambrisko } 2149164281Sambrisko } 2150164281Sambrisko 2151165225Sambrisko ioc->mfi_frame.hdr.cmd_status = cm->cm_frame->header.cmd_status; 2152164281Sambriskoout: 2153171821Sjhb mfi_config_unlock(sc, locked); 2154164281Sambrisko if (data) 2155164281Sambrisko free(data, M_MFIBUF); 2156164281Sambrisko if (cm) { 2157164281Sambrisko mtx_lock(&sc->mfi_io_lock); 2158164281Sambrisko mfi_release_command(cm); 2159164281Sambrisko mtx_unlock(&sc->mfi_io_lock); 2160164281Sambrisko } 2161164281Sambrisko 2162164281Sambrisko break; 2163177489Sambrisko } 2164164281Sambrisko case MFI_SET_AEN: 2165164281Sambrisko aen = (struct mfi_ioc_aen *)arg; 2166164281Sambrisko error = mfi_aen_register(sc, aen->aen_seq_num, 2167164281Sambrisko aen->aen_class_locale); 2168164281Sambrisko 2169164281Sambrisko break; 2170164281Sambrisko case MFI_LINUX_CMD_2: /* Firmware Linux ioctl shim */ 2171158737Sambrisko { 2172158737Sambrisko devclass_t devclass; 2173158737Sambrisko struct mfi_linux_ioc_packet l_ioc; 2174158737Sambrisko int adapter; 2175158737Sambrisko 2176158737Sambrisko devclass = devclass_find("mfi"); 2177158737Sambrisko if (devclass == NULL) 2178158737Sambrisko return (ENOENT); 2179158737Sambrisko 2180158737Sambrisko error = copyin(arg, &l_ioc, sizeof(l_ioc)); 2181158737Sambrisko if (error) 2182158737Sambrisko return (error); 2183158737Sambrisko adapter = l_ioc.lioc_adapter_no; 2184158737Sambrisko sc = devclass_get_softc(devclass, adapter); 2185158737Sambrisko if (sc == NULL) 2186158737Sambrisko return (ENOENT); 2187158737Sambrisko return (mfi_linux_ioctl_int(sc->mfi_cdev, 2188158737Sambrisko cmd, arg, flag, td)); 2189158737Sambrisko break; 2190158737Sambrisko } 2191164281Sambrisko case MFI_LINUX_SET_AEN_2: /* AEN Linux ioctl shim */ 2192158737Sambrisko { 2193158737Sambrisko devclass_t devclass; 2194158737Sambrisko struct mfi_linux_ioc_aen l_aen; 2195158737Sambrisko int adapter; 2196158737Sambrisko 2197158737Sambrisko devclass = devclass_find("mfi"); 2198158737Sambrisko if (devclass == NULL) 2199158737Sambrisko return (ENOENT); 2200158737Sambrisko 2201158737Sambrisko error = copyin(arg, &l_aen, sizeof(l_aen)); 2202158737Sambrisko if (error) 2203158737Sambrisko return (error); 2204158737Sambrisko adapter = l_aen.laen_adapter_no; 2205158737Sambrisko sc = devclass_get_softc(devclass, adapter); 2206158737Sambrisko if (sc == NULL) 2207158737Sambrisko return (ENOENT); 2208158737Sambrisko return (mfi_linux_ioctl_int(sc->mfi_cdev, 2209158737Sambrisko cmd, arg, flag, td)); 2210158737Sambrisko break; 2211158737Sambrisko } 2212178968Sscottl#ifdef __amd64__ 2213178968Sscottl case MFIIO_PASSTHRU32: 2214178968Sscottl iop_swab.ioc_frame = iop32->ioc_frame; 2215178968Sscottl iop_swab.buf_size = iop32->buf_size; 2216178968Sscottl iop_swab.buf = PTRIN(iop32->buf); 2217178968Sscottl iop = &iop_swab; 2218178968Sscottl /* FALLTHROUGH */ 2219178968Sscottl#endif 2220178968Sscottl case MFIIO_PASSTHRU: 2221178968Sscottl error = mfi_user_command(sc, iop); 2222178968Sscottl#ifdef __amd64__ 2223178968Sscottl if (cmd == MFIIO_PASSTHRU32) 2224178968Sscottl iop32->ioc_frame = iop_swab.ioc_frame; 2225178968Sscottl#endif 2226178968Sscottl break; 2227157114Sscottl default: 2228163398Sscottl device_printf(sc->mfi_dev, "IOCTL 0x%lx not handled\n", cmd); 2229157114Sscottl error = ENOENT; 2230157114Sscottl break; 2231157114Sscottl } 2232157114Sscottl 2233157114Sscottl return (error); 2234157114Sscottl} 2235158737Sambrisko 2236158737Sambriskostatic int 2237192450Simpmfi_linux_ioctl_int(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td) 2238158737Sambrisko{ 2239158737Sambrisko struct mfi_softc *sc; 2240158737Sambrisko struct mfi_linux_ioc_packet l_ioc; 2241158737Sambrisko struct mfi_linux_ioc_aen l_aen; 2242158737Sambrisko struct mfi_command *cm = NULL; 2243158737Sambrisko struct mfi_aen *mfi_aen_entry; 2244184897Sambrisko union mfi_sense_ptr sense_ptr; 2245158737Sambrisko uint32_t context; 2246158737Sambrisko uint8_t *data = NULL, *temp; 2247158737Sambrisko int i; 2248171821Sjhb int error, locked; 2249158737Sambrisko 2250158737Sambrisko sc = dev->si_drv1; 2251158737Sambrisko error = 0; 2252158737Sambrisko switch (cmd) { 2253164281Sambrisko case MFI_LINUX_CMD_2: /* Firmware Linux ioctl shim */ 2254158737Sambrisko error = copyin(arg, &l_ioc, sizeof(l_ioc)); 2255158737Sambrisko if (error != 0) 2256158737Sambrisko return (error); 2257158737Sambrisko 2258158737Sambrisko if (l_ioc.lioc_sge_count > MAX_LINUX_IOCTL_SGE) { 2259158737Sambrisko return (EINVAL); 2260158737Sambrisko } 2261158737Sambrisko 2262158737Sambrisko mtx_lock(&sc->mfi_io_lock); 2263158737Sambrisko if ((cm = mfi_dequeue_free(sc)) == NULL) { 2264158737Sambrisko mtx_unlock(&sc->mfi_io_lock); 2265158737Sambrisko return (EBUSY); 2266158737Sambrisko } 2267158737Sambrisko mtx_unlock(&sc->mfi_io_lock); 2268171821Sjhb locked = 0; 2269158737Sambrisko 2270158737Sambrisko /* 2271158737Sambrisko * save off original context since copying from user 2272158737Sambrisko * will clobber some data 2273158737Sambrisko */ 2274158737Sambrisko context = cm->cm_frame->header.context; 2275158737Sambrisko 2276158737Sambrisko bcopy(l_ioc.lioc_frame.raw, cm->cm_frame, 2277175897Sambrisko 2 * MFI_DCMD_FRAME_SIZE); /* this isn't quite right */ 2278184897Sambrisko cm->cm_total_frame_size = (sizeof(union mfi_sgl) 2279184897Sambrisko * l_ioc.lioc_sge_count) + l_ioc.lioc_sgl_off; 2280175897Sambrisko if (l_ioc.lioc_sge_count) 2281175897Sambrisko cm->cm_sg = 2282175897Sambrisko (union mfi_sgl *)&cm->cm_frame->bytes[l_ioc.lioc_sgl_off]; 2283175897Sambrisko cm->cm_flags = 0; 2284175897Sambrisko if (cm->cm_frame->header.flags & MFI_FRAME_DATAIN) 2285175897Sambrisko cm->cm_flags |= MFI_CMD_DATAIN; 2286175897Sambrisko if (cm->cm_frame->header.flags & MFI_FRAME_DATAOUT) 2287175897Sambrisko cm->cm_flags |= MFI_CMD_DATAOUT; 2288158737Sambrisko cm->cm_len = cm->cm_frame->header.data_len; 2289184897Sambrisko if (cm->cm_len && 2290184897Sambrisko (cm->cm_flags & (MFI_CMD_DATAIN | MFI_CMD_DATAOUT))) { 2291175897Sambrisko cm->cm_data = data = malloc(cm->cm_len, M_MFIBUF, 2292175897Sambrisko M_WAITOK | M_ZERO); 2293175897Sambrisko if (cm->cm_data == NULL) { 2294175897Sambrisko device_printf(sc->mfi_dev, "Malloc failed\n"); 2295175897Sambrisko goto out; 2296175897Sambrisko } 2297175897Sambrisko } else { 2298175897Sambrisko cm->cm_data = 0; 2299175897Sambrisko } 2300158737Sambrisko 2301158737Sambrisko /* restore header context */ 2302158737Sambrisko cm->cm_frame->header.context = context; 2303158737Sambrisko 2304158737Sambrisko temp = data; 2305175897Sambrisko if (cm->cm_flags & MFI_CMD_DATAOUT) { 2306175897Sambrisko for (i = 0; i < l_ioc.lioc_sge_count; i++) { 2307178968Sscottl error = copyin(PTRIN(l_ioc.lioc_sgl[i].iov_base), 2308175897Sambrisko temp, 2309175897Sambrisko l_ioc.lioc_sgl[i].iov_len); 2310175897Sambrisko if (error != 0) { 2311175897Sambrisko device_printf(sc->mfi_dev, 2312175897Sambrisko "Copy in failed\n"); 2313175897Sambrisko goto out; 2314175897Sambrisko } 2315175897Sambrisko temp = &temp[l_ioc.lioc_sgl[i].iov_len]; 2316158737Sambrisko } 2317158737Sambrisko } 2318158737Sambrisko 2319171821Sjhb if (cm->cm_frame->header.cmd == MFI_CMD_DCMD) 2320171821Sjhb locked = mfi_config_lock(sc, cm->cm_frame->dcmd.opcode); 2321171821Sjhb 2322184933Sambrisko if (cm->cm_frame->header.cmd == MFI_CMD_PD_SCSI_IO) { 2323184933Sambrisko cm->cm_frame->pass.sense_addr_lo = cm->cm_sense_busaddr; 2324184933Sambrisko cm->cm_frame->pass.sense_addr_hi = 0; 2325184933Sambrisko } 2326184933Sambrisko 2327163398Sscottl mtx_lock(&sc->mfi_io_lock); 2328171821Sjhb error = mfi_check_command_pre(sc, cm); 2329171821Sjhb if (error) { 2330171821Sjhb mtx_unlock(&sc->mfi_io_lock); 2331171821Sjhb goto out; 2332171821Sjhb } 2333171821Sjhb 2334170284Sambrisko if ((error = mfi_wait_command(sc, cm)) != 0) { 2335158737Sambrisko device_printf(sc->mfi_dev, 2336165225Sambrisko "Controller polled failed\n"); 2337163398Sscottl mtx_unlock(&sc->mfi_io_lock); 2338158737Sambrisko goto out; 2339158737Sambrisko } 2340158737Sambrisko 2341171821Sjhb mfi_check_command_post(sc, cm); 2342163398Sscottl mtx_unlock(&sc->mfi_io_lock); 2343158737Sambrisko 2344158737Sambrisko temp = data; 2345175897Sambrisko if (cm->cm_flags & MFI_CMD_DATAIN) { 2346175897Sambrisko for (i = 0; i < l_ioc.lioc_sge_count; i++) { 2347175897Sambrisko error = copyout(temp, 2348178968Sscottl PTRIN(l_ioc.lioc_sgl[i].iov_base), 2349175897Sambrisko l_ioc.lioc_sgl[i].iov_len); 2350175897Sambrisko if (error != 0) { 2351175897Sambrisko device_printf(sc->mfi_dev, 2352175897Sambrisko "Copy out failed\n"); 2353175897Sambrisko goto out; 2354175897Sambrisko } 2355175897Sambrisko temp = &temp[l_ioc.lioc_sgl[i].iov_len]; 2356158737Sambrisko } 2357158737Sambrisko } 2358158737Sambrisko 2359158737Sambrisko if (l_ioc.lioc_sense_len) { 2360184897Sambrisko /* get user-space sense ptr then copy out sense */ 2361184897Sambrisko bcopy(&((struct mfi_linux_ioc_packet*)arg) 2362184897Sambrisko ->lioc_frame.raw[l_ioc.lioc_sense_off], 2363184897Sambrisko &sense_ptr.sense_ptr_data[0], 2364184897Sambrisko sizeof(sense_ptr.sense_ptr_data)); 2365184974Sambrisko#ifdef __amd64__ 2366184974Sambrisko /* 2367184974Sambrisko * only 32bit Linux support so zero out any 2368184974Sambrisko * address over 32bit 2369184974Sambrisko */ 2370184975Sambrisko sense_ptr.addr.high = 0; 2371184974Sambrisko#endif 2372184897Sambrisko error = copyout(cm->cm_sense, sense_ptr.user_space, 2373158737Sambrisko l_ioc.lioc_sense_len); 2374158737Sambrisko if (error != 0) { 2375158737Sambrisko device_printf(sc->mfi_dev, 2376165225Sambrisko "Copy out failed\n"); 2377158737Sambrisko goto out; 2378158737Sambrisko } 2379158737Sambrisko } 2380158737Sambrisko 2381158737Sambrisko error = copyout(&cm->cm_frame->header.cmd_status, 2382158737Sambrisko &((struct mfi_linux_ioc_packet*)arg) 2383158737Sambrisko ->lioc_frame.hdr.cmd_status, 2384158737Sambrisko 1); 2385158737Sambrisko if (error != 0) { 2386158737Sambrisko device_printf(sc->mfi_dev, 2387165225Sambrisko "Copy out failed\n"); 2388158737Sambrisko goto out; 2389158737Sambrisko } 2390158737Sambrisko 2391158737Sambriskoout: 2392171821Sjhb mfi_config_unlock(sc, locked); 2393158737Sambrisko if (data) 2394158737Sambrisko free(data, M_MFIBUF); 2395158737Sambrisko if (cm) { 2396158737Sambrisko mtx_lock(&sc->mfi_io_lock); 2397158737Sambrisko mfi_release_command(cm); 2398158737Sambrisko mtx_unlock(&sc->mfi_io_lock); 2399158737Sambrisko } 2400158737Sambrisko 2401158737Sambrisko return (error); 2402164281Sambrisko case MFI_LINUX_SET_AEN_2: /* AEN Linux ioctl shim */ 2403158737Sambrisko error = copyin(arg, &l_aen, sizeof(l_aen)); 2404158737Sambrisko if (error != 0) 2405158737Sambrisko return (error); 2406158737Sambrisko printf("AEN IMPLEMENTED for pid %d\n", curproc->p_pid); 2407158737Sambrisko mfi_aen_entry = malloc(sizeof(struct mfi_aen), M_MFIBUF, 2408158737Sambrisko M_WAITOK); 2409163398Sscottl mtx_lock(&sc->mfi_io_lock); 2410158737Sambrisko if (mfi_aen_entry != NULL) { 2411158737Sambrisko mfi_aen_entry->p = curproc; 2412158737Sambrisko TAILQ_INSERT_TAIL(&sc->mfi_aen_pids, mfi_aen_entry, 2413158737Sambrisko aen_link); 2414158737Sambrisko } 2415158737Sambrisko error = mfi_aen_register(sc, l_aen.laen_seq_num, 2416158737Sambrisko l_aen.laen_class_locale); 2417158737Sambrisko 2418158737Sambrisko if (error != 0) { 2419158737Sambrisko TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry, 2420158737Sambrisko aen_link); 2421158737Sambrisko free(mfi_aen_entry, M_MFIBUF); 2422158737Sambrisko } 2423163398Sscottl mtx_unlock(&sc->mfi_io_lock); 2424158737Sambrisko 2425158737Sambrisko return (error); 2426158737Sambrisko default: 2427158737Sambrisko device_printf(sc->mfi_dev, "IOCTL 0x%lx not handled\n", cmd); 2428158737Sambrisko error = ENOENT; 2429158737Sambrisko break; 2430158737Sambrisko } 2431158737Sambrisko 2432158737Sambrisko return (error); 2433158737Sambrisko} 2434158737Sambrisko 2435158737Sambriskostatic int 2436158737Sambriskomfi_poll(struct cdev *dev, int poll_events, struct thread *td) 2437158737Sambrisko{ 2438158737Sambrisko struct mfi_softc *sc; 2439158737Sambrisko int revents = 0; 2440158737Sambrisko 2441158737Sambrisko sc = dev->si_drv1; 2442158737Sambrisko 2443158737Sambrisko if (poll_events & (POLLIN | POLLRDNORM)) { 2444163398Sscottl if (sc->mfi_aen_triggered != 0) { 2445158737Sambrisko revents |= poll_events & (POLLIN | POLLRDNORM); 2446163398Sscottl sc->mfi_aen_triggered = 0; 2447163398Sscottl } 2448158737Sambrisko if (sc->mfi_aen_triggered == 0 && sc->mfi_aen_cm == NULL) { 2449158737Sambrisko revents |= POLLERR; 2450158737Sambrisko } 2451158737Sambrisko } 2452158737Sambrisko 2453158737Sambrisko if (revents == 0) { 2454158737Sambrisko if (poll_events & (POLLIN | POLLRDNORM)) { 2455158737Sambrisko sc->mfi_poll_waiting = 1; 2456158737Sambrisko selrecord(td, &sc->mfi_select); 2457158737Sambrisko } 2458158737Sambrisko } 2459158737Sambrisko 2460158737Sambrisko return revents; 2461158737Sambrisko} 2462162619Sscottl 2463163398Sscottl 2464162619Sscottlstatic void 2465163398Sscottlmfi_dump_all(void) 2466163398Sscottl{ 2467163398Sscottl struct mfi_softc *sc; 2468163398Sscottl struct mfi_command *cm; 2469163398Sscottl devclass_t dc; 2470163398Sscottl time_t deadline; 2471163398Sscottl int timedout; 2472163398Sscottl int i; 2473163398Sscottl 2474163398Sscottl dc = devclass_find("mfi"); 2475163398Sscottl if (dc == NULL) { 2476163398Sscottl printf("No mfi dev class\n"); 2477163398Sscottl return; 2478163398Sscottl } 2479163398Sscottl 2480163398Sscottl for (i = 0; ; i++) { 2481163398Sscottl sc = devclass_get_softc(dc, i); 2482163398Sscottl if (sc == NULL) 2483163398Sscottl break; 2484163398Sscottl device_printf(sc->mfi_dev, "Dumping\n\n"); 2485163398Sscottl timedout = 0; 2486163398Sscottl deadline = time_uptime - MFI_CMD_TIMEOUT; 2487163398Sscottl mtx_lock(&sc->mfi_io_lock); 2488163398Sscottl TAILQ_FOREACH(cm, &sc->mfi_busy, cm_link) { 2489163398Sscottl if (cm->cm_timestamp < deadline) { 2490163398Sscottl device_printf(sc->mfi_dev, 2491163398Sscottl "COMMAND %p TIMEOUT AFTER %d SECONDS\n", cm, 2492163398Sscottl (int)(time_uptime - cm->cm_timestamp)); 2493163398Sscottl MFI_PRINT_CMD(cm); 2494163398Sscottl timedout++; 2495163398Sscottl } 2496163398Sscottl } 2497163398Sscottl 2498163398Sscottl#if 0 2499163398Sscottl if (timedout) 2500163398Sscottl MFI_DUMP_CMDS(SC); 2501163398Sscottl#endif 2502163398Sscottl 2503163398Sscottl mtx_unlock(&sc->mfi_io_lock); 2504163398Sscottl } 2505163398Sscottl 2506163398Sscottl return; 2507163398Sscottl} 2508163398Sscottl 2509163398Sscottlstatic void 2510162619Sscottlmfi_timeout(void *data) 2511162619Sscottl{ 2512162619Sscottl struct mfi_softc *sc = (struct mfi_softc *)data; 2513162619Sscottl struct mfi_command *cm; 2514162619Sscottl time_t deadline; 2515162619Sscottl int timedout = 0; 2516162619Sscottl 2517162619Sscottl deadline = time_uptime - MFI_CMD_TIMEOUT; 2518162619Sscottl mtx_lock(&sc->mfi_io_lock); 2519162619Sscottl TAILQ_FOREACH(cm, &sc->mfi_busy, cm_link) { 2520162688Sscottl if (sc->mfi_aen_cm == cm) 2521162688Sscottl continue; 2522163398Sscottl if ((sc->mfi_aen_cm != cm) && (cm->cm_timestamp < deadline)) { 2523162619Sscottl device_printf(sc->mfi_dev, 2524162619Sscottl "COMMAND %p TIMEOUT AFTER %d SECONDS\n", cm, 2525162619Sscottl (int)(time_uptime - cm->cm_timestamp)); 2526162619Sscottl MFI_PRINT_CMD(cm); 2527163398Sscottl MFI_VALIDATE_CMD(sc, cm); 2528162619Sscottl timedout++; 2529162619Sscottl } 2530162619Sscottl } 2531162619Sscottl 2532162619Sscottl#if 0 2533162619Sscottl if (timedout) 2534162619Sscottl MFI_DUMP_CMDS(SC); 2535162619Sscottl#endif 2536162619Sscottl 2537162619Sscottl mtx_unlock(&sc->mfi_io_lock); 2538162619Sscottl 2539162619Sscottl callout_reset(&sc->mfi_watchdog_callout, MFI_CMD_TIMEOUT * hz, 2540162619Sscottl mfi_timeout, sc); 2541162619Sscottl 2542163398Sscottl if (0) 2543163398Sscottl mfi_dump_all(); 2544162619Sscottl return; 2545162619Sscottl} 2546