| 1 | /* $NetBSD: isp_netbsd.c,v 1.88 2014/12/31 17:10:45 christos Exp $ */ |
| 2 | /* |
| 3 | * Platform (NetBSD) dependent common attachment code for Qlogic adapters. |
| 4 | */ |
| 5 | /* |
| 6 | * Copyright (C) 1997, 1998, 1999 National Aeronautics & Space Administration |
| 7 | * All rights reserved. |
| 8 | * |
| 9 | * Additional Copyright (C) 2000-2007 by Matthew Jacob |
| 10 | * All rights reserved. |
| 11 | * |
| 12 | * Redistribution and use in source and binary forms, with or without |
| 13 | * modification, are permitted provided that the following conditions |
| 14 | * are met: |
| 15 | * 1. Redistributions of source code must retain the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer. |
| 17 | * 2. Redistributions in binary form must reproduce the above copyright |
| 18 | * notice, this list of conditions and the following disclaimer in the |
| 19 | * documentation and/or other materials provided with the distribution. |
| 20 | * 3. The name of the author may not be used to endorse or promote products |
| 21 | * derived from this software without specific prior written permission |
| 22 | * |
| 23 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 24 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 25 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 26 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 27 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 28 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 29 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 30 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 31 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 32 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 33 | */ |
| 34 | |
| 35 | #include <sys/cdefs.h> |
| 36 | __KERNEL_RCSID(0, "$NetBSD: isp_netbsd.c,v 1.88 2014/12/31 17:10:45 christos Exp $" ); |
| 37 | |
| 38 | #include <dev/ic/isp_netbsd.h> |
| 39 | #include <dev/ic/isp_ioctl.h> |
| 40 | #include <sys/scsiio.h> |
| 41 | |
| 42 | #include <sys/timevar.h> |
| 43 | |
| 44 | /* |
| 45 | * Set a timeout for the watchdogging of a command. |
| 46 | * |
| 47 | * The dimensional analysis is |
| 48 | * |
| 49 | * milliseconds * (seconds/millisecond) * (ticks/second) = ticks |
| 50 | * |
| 51 | * = |
| 52 | * |
| 53 | * (milliseconds / 1000) * hz = ticks |
| 54 | * |
| 55 | * |
| 56 | * For timeouts less than 1 second, we'll get zero. Because of this, and |
| 57 | * because we want to establish *our* timeout to be longer than what the |
| 58 | * firmware might do, we just add 3 seconds at the back end. |
| 59 | */ |
| 60 | #define _XT(xs) ((((xs)->timeout/1000) * hz) + (3 * hz)) |
| 61 | |
| 62 | static void isp_config_interrupts(device_t); |
| 63 | static void ispminphys_1020(struct buf *); |
| 64 | static void ispminphys(struct buf *); |
| 65 | static void ispcmd(struct ispsoftc *, XS_T *); |
| 66 | static void isprequest(struct scsipi_channel *, scsipi_adapter_req_t, void *); |
| 67 | static int |
| 68 | ispioctl(struct scsipi_channel *, u_long, void *, int, struct proc *); |
| 69 | |
| 70 | static void isp_polled_cmd_wait(struct ispsoftc *, XS_T *); |
| 71 | static void isp_dog(void *); |
| 72 | static void isp_gdt(void *); |
| 73 | static void isp_ldt(void *); |
| 74 | static void isp_make_here(ispsoftc_t *, int); |
| 75 | static void isp_make_gone(ispsoftc_t *, int); |
| 76 | static void isp_fc_worker(void *); |
| 77 | |
| 78 | static const char *roles[4] = { |
| 79 | "(none)" , "Target" , "Initiator" , "Target/Initiator" |
| 80 | }; |
| 81 | static const char prom3[] = |
| 82 | "PortID 0x%06x Departed from Target %u because of %s" ; |
| 83 | int isp_change_is_bad = 0; /* "changed" devices are bad */ |
| 84 | int isp_quickboot_time = 15; /* don't wait more than N secs for loop up */ |
| 85 | static int isp_fabric_hysteresis = 5; |
| 86 | #define isp_change_is_bad 0 |
| 87 | |
| 88 | /* |
| 89 | * Complete attachment of hardware, include subdevices. |
| 90 | */ |
| 91 | |
| 92 | void |
| 93 | isp_attach(struct ispsoftc *isp) |
| 94 | { |
| 95 | device_t self = isp->isp_osinfo.dev; |
| 96 | int i; |
| 97 | |
| 98 | isp->isp_state = ISP_RUNSTATE; |
| 99 | |
| 100 | isp->isp_osinfo.adapter.adapt_dev = self; |
| 101 | isp->isp_osinfo.adapter.adapt_openings = isp->isp_maxcmds; |
| 102 | isp->isp_osinfo.loop_down_limit = 300; |
| 103 | |
| 104 | /* |
| 105 | * It's not stated whether max_periph is limited by SPI |
| 106 | * tag uage, but let's assume that it is. |
| 107 | */ |
| 108 | isp->isp_osinfo.adapter.adapt_max_periph = min(isp->isp_maxcmds, 255); |
| 109 | isp->isp_osinfo.adapter.adapt_ioctl = ispioctl; |
| 110 | isp->isp_osinfo.adapter.adapt_request = isprequest; |
| 111 | if (isp->isp_type <= ISP_HA_SCSI_1020A) { |
| 112 | isp->isp_osinfo.adapter.adapt_minphys = ispminphys_1020; |
| 113 | } else { |
| 114 | isp->isp_osinfo.adapter.adapt_minphys = ispminphys; |
| 115 | } |
| 116 | |
| 117 | callout_init(&isp->isp_osinfo.gdt, 0); |
| 118 | callout_setfunc(&isp->isp_osinfo.gdt, isp_gdt, isp); |
| 119 | callout_init(&isp->isp_osinfo.ldt, 0); |
| 120 | callout_setfunc(&isp->isp_osinfo.ldt, isp_ldt, isp); |
| 121 | if (IS_FC(isp)) { |
| 122 | if (kthread_create(PRI_NONE, 0, NULL, isp_fc_worker, isp, |
| 123 | &isp->isp_osinfo.thread, "%s:fc_thrd" , |
| 124 | device_xname(self))) { |
| 125 | isp_prt(isp, ISP_LOGERR, |
| 126 | "unable to create FC worker thread" ); |
| 127 | return; |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | for (i = 0; i != isp->isp_osinfo.adapter.adapt_nchannels; i++) { |
| 132 | isp->isp_osinfo.chan[i].chan_adapter = |
| 133 | &isp->isp_osinfo.adapter; |
| 134 | isp->isp_osinfo.chan[i].chan_bustype = &scsi_bustype; |
| 135 | isp->isp_osinfo.chan[i].chan_channel = i; |
| 136 | /* |
| 137 | * Until the midlayer is fixed to use REPORT LUNS, |
| 138 | * limit to 8 luns. |
| 139 | */ |
| 140 | isp->isp_osinfo.chan[i].chan_nluns = min(isp->isp_maxluns, 8); |
| 141 | if (IS_FC(isp)) { |
| 142 | isp->isp_osinfo.chan[i].chan_ntargets = MAX_FC_TARG; |
| 143 | if (ISP_CAP_2KLOGIN(isp) == 0 && MAX_FC_TARG > 256) { |
| 144 | isp->isp_osinfo.chan[i].chan_ntargets = 256; |
| 145 | } |
| 146 | isp->isp_osinfo.chan[i].chan_id = MAX_FC_TARG; |
| 147 | } else { |
| 148 | isp->isp_osinfo.chan[i].chan_ntargets = MAX_TARGETS; |
| 149 | isp->isp_osinfo.chan[i].chan_id = |
| 150 | SDPARAM(isp, i)->isp_initiator_id; |
| 151 | ISP_LOCK(isp); |
| 152 | (void) isp_control(isp, ISPCTL_RESET_BUS, i); |
| 153 | ISP_UNLOCK(isp); |
| 154 | } |
| 155 | } |
| 156 | |
| 157 | /* |
| 158 | * Defer enabling mailbox interrupts until later. |
| 159 | */ |
| 160 | config_interrupts(self, isp_config_interrupts); |
| 161 | } |
| 162 | |
| 163 | static void |
| 164 | isp_config_interrupts(device_t self) |
| 165 | { |
| 166 | int i; |
| 167 | struct ispsoftc *isp = device_private(self); |
| 168 | |
| 169 | isp->isp_osinfo.mbox_sleep_ok = 1; |
| 170 | |
| 171 | if (IS_FC(isp) && (FCPARAM(isp, 0)->isp_fwstate != FW_READY || |
| 172 | FCPARAM(isp, 0)->isp_loopstate != LOOP_READY)) { |
| 173 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 174 | "Starting Initial Loop Down Timer" ); |
| 175 | callout_schedule(&isp->isp_osinfo.ldt, isp_quickboot_time * hz); |
| 176 | } |
| 177 | |
| 178 | /* |
| 179 | * And attach children (if any). |
| 180 | */ |
| 181 | for (i = 0; i < isp->isp_osinfo.adapter.adapt_nchannels; i++) { |
| 182 | config_found(self, &isp->isp_osinfo.chan[i], scsiprint); |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | /* |
| 187 | * minphys our xfers |
| 188 | */ |
| 189 | static void |
| 190 | ispminphys_1020(struct buf *bp) |
| 191 | { |
| 192 | if (bp->b_bcount >= (1 << 24)) { |
| 193 | bp->b_bcount = (1 << 24); |
| 194 | } |
| 195 | minphys(bp); |
| 196 | } |
| 197 | |
| 198 | static void |
| 199 | ispminphys(struct buf *bp) |
| 200 | { |
| 201 | if (bp->b_bcount >= (1 << 30)) { |
| 202 | bp->b_bcount = (1 << 30); |
| 203 | } |
| 204 | minphys(bp); |
| 205 | } |
| 206 | |
| 207 | static int |
| 208 | ispioctl(struct scsipi_channel *chan, u_long cmd, void *addr, int flag, |
| 209 | struct proc *p) |
| 210 | { |
| 211 | struct ispsoftc *isp = device_private(chan->chan_adapter->adapt_dev); |
| 212 | int nr, bus, retval = ENOTTY; |
| 213 | |
| 214 | switch (cmd) { |
| 215 | case ISP_SDBLEV: |
| 216 | { |
| 217 | int olddblev = isp->isp_dblev; |
| 218 | isp->isp_dblev = *(int *)addr; |
| 219 | *(int *)addr = olddblev; |
| 220 | retval = 0; |
| 221 | break; |
| 222 | } |
| 223 | case ISP_GETROLE: |
| 224 | bus = *(int *)addr; |
| 225 | if (bus < 0 || bus >= isp->isp_nchan) { |
| 226 | retval = -ENXIO; |
| 227 | break; |
| 228 | } |
| 229 | if (IS_FC(isp)) { |
| 230 | *(int *)addr = FCPARAM(isp, bus)->role; |
| 231 | } else { |
| 232 | *(int *)addr = SDPARAM(isp, bus)->role; |
| 233 | } |
| 234 | retval = 0; |
| 235 | break; |
| 236 | case ISP_SETROLE: |
| 237 | |
| 238 | nr = *(int *)addr; |
| 239 | bus = nr >> 8; |
| 240 | if (bus < 0 || bus >= isp->isp_nchan) { |
| 241 | retval = -ENXIO; |
| 242 | break; |
| 243 | } |
| 244 | nr &= 0xff; |
| 245 | if (nr & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) { |
| 246 | retval = EINVAL; |
| 247 | break; |
| 248 | } |
| 249 | if (IS_FC(isp)) { |
| 250 | *(int *)addr = FCPARAM(isp, bus)->role; |
| 251 | FCPARAM(isp, bus)->role = nr; |
| 252 | } else { |
| 253 | *(int *)addr = SDPARAM(isp, bus)->role; |
| 254 | SDPARAM(isp, bus)->role = nr; |
| 255 | } |
| 256 | retval = 0; |
| 257 | break; |
| 258 | |
| 259 | case ISP_RESETHBA: |
| 260 | ISP_LOCK(isp); |
| 261 | isp_reinit(isp, 0); |
| 262 | ISP_UNLOCK(isp); |
| 263 | retval = 0; |
| 264 | break; |
| 265 | |
| 266 | case ISP_RESCAN: |
| 267 | if (IS_FC(isp)) { |
| 268 | bus = *(int *)addr; |
| 269 | if (bus < 0 || bus >= isp->isp_nchan) { |
| 270 | retval = -ENXIO; |
| 271 | break; |
| 272 | } |
| 273 | ISP_LOCK(isp); |
| 274 | if (isp_fc_runstate(isp, bus, 5 * 1000000)) { |
| 275 | retval = EIO; |
| 276 | } else { |
| 277 | retval = 0; |
| 278 | } |
| 279 | ISP_UNLOCK(isp); |
| 280 | } |
| 281 | break; |
| 282 | |
| 283 | case ISP_FC_LIP: |
| 284 | if (IS_FC(isp)) { |
| 285 | bus = *(int *)addr; |
| 286 | if (bus < 0 || bus >= isp->isp_nchan) { |
| 287 | retval = -ENXIO; |
| 288 | break; |
| 289 | } |
| 290 | ISP_LOCK(isp); |
| 291 | if (isp_control(isp, ISPCTL_SEND_LIP, bus)) { |
| 292 | retval = EIO; |
| 293 | } else { |
| 294 | retval = 0; |
| 295 | } |
| 296 | ISP_UNLOCK(isp); |
| 297 | } |
| 298 | break; |
| 299 | case ISP_FC_GETDINFO: |
| 300 | { |
| 301 | struct isp_fc_device *ifc = (struct isp_fc_device *) addr; |
| 302 | fcportdb_t *lp; |
| 303 | |
| 304 | if (IS_SCSI(isp)) { |
| 305 | break; |
| 306 | } |
| 307 | if (ifc->loopid >= MAX_FC_TARG) { |
| 308 | retval = EINVAL; |
| 309 | break; |
| 310 | } |
| 311 | lp = &FCPARAM(isp, ifc->chan)->portdb[ifc->loopid]; |
| 312 | if (lp->state == FC_PORTDB_STATE_VALID) { |
| 313 | ifc->role = lp->roles; |
| 314 | ifc->loopid = lp->handle; |
| 315 | ifc->portid = lp->portid; |
| 316 | ifc->node_wwn = lp->node_wwn; |
| 317 | ifc->port_wwn = lp->port_wwn; |
| 318 | retval = 0; |
| 319 | } else { |
| 320 | retval = ENODEV; |
| 321 | } |
| 322 | break; |
| 323 | } |
| 324 | case ISP_GET_STATS: |
| 325 | { |
| 326 | isp_stats_t *sp = (isp_stats_t *) addr; |
| 327 | |
| 328 | ISP_MEMZERO(sp, sizeof (*sp)); |
| 329 | sp->isp_stat_version = ISP_STATS_VERSION; |
| 330 | sp->isp_type = isp->isp_type; |
| 331 | sp->isp_revision = isp->isp_revision; |
| 332 | ISP_LOCK(isp); |
| 333 | sp->isp_stats[ISP_INTCNT] = isp->isp_intcnt; |
| 334 | sp->isp_stats[ISP_INTBOGUS] = isp->isp_intbogus; |
| 335 | sp->isp_stats[ISP_INTMBOXC] = isp->isp_intmboxc; |
| 336 | sp->isp_stats[ISP_INGOASYNC] = isp->isp_intoasync; |
| 337 | sp->isp_stats[ISP_RSLTCCMPLT] = isp->isp_rsltccmplt; |
| 338 | sp->isp_stats[ISP_FPHCCMCPLT] = isp->isp_fphccmplt; |
| 339 | sp->isp_stats[ISP_RSCCHIWAT] = isp->isp_rscchiwater; |
| 340 | sp->isp_stats[ISP_FPCCHIWAT] = isp->isp_fpcchiwater; |
| 341 | ISP_UNLOCK(isp); |
| 342 | retval = 0; |
| 343 | break; |
| 344 | } |
| 345 | case ISP_CLR_STATS: |
| 346 | ISP_LOCK(isp); |
| 347 | isp->isp_intcnt = 0; |
| 348 | isp->isp_intbogus = 0; |
| 349 | isp->isp_intmboxc = 0; |
| 350 | isp->isp_intoasync = 0; |
| 351 | isp->isp_rsltccmplt = 0; |
| 352 | isp->isp_fphccmplt = 0; |
| 353 | isp->isp_rscchiwater = 0; |
| 354 | isp->isp_fpcchiwater = 0; |
| 355 | ISP_UNLOCK(isp); |
| 356 | retval = 0; |
| 357 | break; |
| 358 | case ISP_FC_GETHINFO: |
| 359 | { |
| 360 | struct isp_hba_device *hba = (struct isp_hba_device *) addr; |
| 361 | bus = hba->fc_channel; |
| 362 | |
| 363 | if (bus < 0 || bus >= isp->isp_nchan) { |
| 364 | retval = ENXIO; |
| 365 | break; |
| 366 | } |
| 367 | hba->fc_fw_major = ISP_FW_MAJORX(isp->isp_fwrev); |
| 368 | hba->fc_fw_minor = ISP_FW_MINORX(isp->isp_fwrev); |
| 369 | hba->fc_fw_micro = ISP_FW_MICROX(isp->isp_fwrev); |
| 370 | hba->fc_nchannels = isp->isp_nchan; |
| 371 | hba->fc_nports = isp->isp_nchan;/* XXXX 24XX STUFF? XXX */ |
| 372 | if (IS_FC(isp)) { |
| 373 | hba->fc_speed = FCPARAM(isp, bus)->isp_gbspeed; |
| 374 | hba->fc_topology = FCPARAM(isp, bus)->isp_topo + 1; |
| 375 | hba->fc_loopid = FCPARAM(isp, bus)->isp_loopid; |
| 376 | hba->nvram_node_wwn = FCPARAM(isp, bus)->isp_wwnn_nvram; |
| 377 | hba->nvram_port_wwn = FCPARAM(isp, bus)->isp_wwpn_nvram; |
| 378 | hba->active_node_wwn = FCPARAM(isp, bus)->isp_wwnn; |
| 379 | hba->active_port_wwn = FCPARAM(isp, bus)->isp_wwpn; |
| 380 | } else { |
| 381 | hba->fc_speed = 0; |
| 382 | hba->fc_topology = 0; |
| 383 | hba->nvram_node_wwn = 0ull; |
| 384 | hba->nvram_port_wwn = 0ull; |
| 385 | hba->active_node_wwn = 0ull; |
| 386 | hba->active_port_wwn = 0ull; |
| 387 | } |
| 388 | retval = 0; |
| 389 | break; |
| 390 | } |
| 391 | case ISP_TSK_MGMT: |
| 392 | { |
| 393 | int needmarker; |
| 394 | struct isp_fc_tsk_mgmt *fct = (struct isp_fc_tsk_mgmt *) addr; |
| 395 | uint16_t loopid; |
| 396 | mbreg_t mbs; |
| 397 | |
| 398 | if (IS_SCSI(isp)) { |
| 399 | break; |
| 400 | } |
| 401 | |
| 402 | bus = fct->chan; |
| 403 | if (bus < 0 || bus >= isp->isp_nchan) { |
| 404 | retval = -ENXIO; |
| 405 | break; |
| 406 | } |
| 407 | |
| 408 | memset(&mbs, 0, sizeof (mbs)); |
| 409 | needmarker = retval = 0; |
| 410 | loopid = fct->loopid; |
| 411 | if (ISP_CAP_2KLOGIN(isp) == 0) { |
| 412 | loopid <<= 8; |
| 413 | } |
| 414 | switch (fct->action) { |
| 415 | case IPT_CLEAR_ACA: |
| 416 | mbs.param[0] = MBOX_CLEAR_ACA; |
| 417 | mbs.param[1] = loopid; |
| 418 | mbs.param[2] = fct->lun; |
| 419 | break; |
| 420 | case IPT_TARGET_RESET: |
| 421 | mbs.param[0] = MBOX_TARGET_RESET; |
| 422 | mbs.param[1] = loopid; |
| 423 | needmarker = 1; |
| 424 | break; |
| 425 | case IPT_LUN_RESET: |
| 426 | mbs.param[0] = MBOX_LUN_RESET; |
| 427 | mbs.param[1] = loopid; |
| 428 | mbs.param[2] = fct->lun; |
| 429 | needmarker = 1; |
| 430 | break; |
| 431 | case IPT_CLEAR_TASK_SET: |
| 432 | mbs.param[0] = MBOX_CLEAR_TASK_SET; |
| 433 | mbs.param[1] = loopid; |
| 434 | mbs.param[2] = fct->lun; |
| 435 | needmarker = 1; |
| 436 | break; |
| 437 | case IPT_ABORT_TASK_SET: |
| 438 | mbs.param[0] = MBOX_ABORT_TASK_SET; |
| 439 | mbs.param[1] = loopid; |
| 440 | mbs.param[2] = fct->lun; |
| 441 | needmarker = 1; |
| 442 | break; |
| 443 | default: |
| 444 | retval = EINVAL; |
| 445 | break; |
| 446 | } |
| 447 | if (retval == 0) { |
| 448 | if (needmarker) { |
| 449 | FCPARAM(isp, bus)->sendmarker = 1; |
| 450 | } |
| 451 | ISP_LOCK(isp); |
| 452 | retval = isp_control(isp, ISPCTL_RUN_MBOXCMD, &mbs); |
| 453 | ISP_UNLOCK(isp); |
| 454 | if (retval) { |
| 455 | retval = EIO; |
| 456 | } |
| 457 | } |
| 458 | break; |
| 459 | } |
| 460 | case ISP_FC_GETDLIST: |
| 461 | { |
| 462 | isp_dlist_t local, *ua; |
| 463 | uint16_t nph, nphe, count, channel, lim; |
| 464 | struct wwnpair pair, *uptr; |
| 465 | |
| 466 | if (IS_SCSI(isp)) { |
| 467 | retval = EINVAL; |
| 468 | break; |
| 469 | } |
| 470 | |
| 471 | ua = *(isp_dlist_t **)addr; |
| 472 | if (copyin(ua, &local, sizeof (isp_dlist_t))) { |
| 473 | retval = EFAULT; |
| 474 | break; |
| 475 | } |
| 476 | lim = local.count; |
| 477 | channel = local.channel; |
| 478 | |
| 479 | ua = *(isp_dlist_t **)addr; |
| 480 | uptr = &ua->wwns[0]; |
| 481 | |
| 482 | if (ISP_CAP_2KLOGIN(isp)) { |
| 483 | nphe = NPH_MAX_2K; |
| 484 | } else { |
| 485 | nphe = NPH_MAX; |
| 486 | } |
| 487 | for (count = 0, nph = 0; count < lim && nph != nphe; nph++) { |
| 488 | ISP_LOCK(isp); |
| 489 | retval = isp_control(isp, ISPCTL_GET_NAMES, channel, |
| 490 | nph, &pair.wwnn, &pair.wwpn); |
| 491 | ISP_UNLOCK(isp); |
| 492 | if (retval || (pair.wwpn == INI_NONE && |
| 493 | pair.wwnn == INI_NONE)) { |
| 494 | retval = 0; |
| 495 | continue; |
| 496 | } |
| 497 | if (copyout(&pair, (void *)uptr++, sizeof (pair))) { |
| 498 | retval = EFAULT; |
| 499 | break; |
| 500 | } |
| 501 | count++; |
| 502 | } |
| 503 | if (retval == 0) { |
| 504 | if (copyout(&count, (void *)&ua->count, |
| 505 | sizeof (count))) { |
| 506 | retval = EFAULT; |
| 507 | } |
| 508 | } |
| 509 | break; |
| 510 | } |
| 511 | case SCBUSIORESET: |
| 512 | ISP_LOCK(isp); |
| 513 | if (isp_control(isp, ISPCTL_RESET_BUS, &chan->chan_channel)) { |
| 514 | retval = EIO; |
| 515 | } else { |
| 516 | retval = 0; |
| 517 | } |
| 518 | ISP_UNLOCK(isp); |
| 519 | break; |
| 520 | default: |
| 521 | break; |
| 522 | } |
| 523 | return (retval); |
| 524 | } |
| 525 | |
| 526 | static void |
| 527 | ispcmd(struct ispsoftc *isp, XS_T *xs) |
| 528 | { |
| 529 | volatile uint8_t ombi; |
| 530 | int lim, chan; |
| 531 | |
| 532 | ISP_LOCK(isp); |
| 533 | if (isp->isp_state < ISP_RUNSTATE) { |
| 534 | ISP_DISABLE_INTS(isp); |
| 535 | isp_init(isp); |
| 536 | if (isp->isp_state != ISP_INITSTATE) { |
| 537 | ISP_ENABLE_INTS(isp); |
| 538 | ISP_UNLOCK(isp); |
| 539 | isp_prt(isp, ISP_LOGERR, "isp not at init state" ); |
| 540 | XS_SETERR(xs, HBA_BOTCH); |
| 541 | scsipi_done(xs); |
| 542 | return; |
| 543 | } |
| 544 | isp->isp_state = ISP_RUNSTATE; |
| 545 | ISP_ENABLE_INTS(isp); |
| 546 | } |
| 547 | chan = XS_CHANNEL(xs); |
| 548 | |
| 549 | /* |
| 550 | * Handle the case of a FC card where the FC thread hasn't |
| 551 | * fired up yet and we don't yet have a known loop state. |
| 552 | */ |
| 553 | if (IS_FC(isp) && (FCPARAM(isp, chan)->isp_fwstate != FW_READY || |
| 554 | FCPARAM(isp, chan)->isp_loopstate != LOOP_READY) && |
| 555 | isp->isp_osinfo.thread == NULL) { |
| 556 | ombi = isp->isp_osinfo.mbox_sleep_ok != 0; |
| 557 | int delay_time; |
| 558 | |
| 559 | if (xs->xs_control & XS_CTL_POLL) { |
| 560 | isp->isp_osinfo.mbox_sleep_ok = 0; |
| 561 | } |
| 562 | |
| 563 | if (isp->isp_osinfo.loop_checked == 0) { |
| 564 | delay_time = 10 * 1000000; |
| 565 | isp->isp_osinfo.loop_checked = 1; |
| 566 | } else { |
| 567 | delay_time = 250000; |
| 568 | } |
| 569 | |
| 570 | if (isp_fc_runstate(isp, XS_CHANNEL(xs), delay_time) != 0) { |
| 571 | if (xs->xs_control & XS_CTL_POLL) { |
| 572 | isp->isp_osinfo.mbox_sleep_ok = ombi; |
| 573 | } |
| 574 | if (FCPARAM(isp, XS_CHANNEL(xs))->loop_seen_once == 0) { |
| 575 | XS_SETERR(xs, HBA_SELTIMEOUT); |
| 576 | scsipi_done(xs); |
| 577 | ISP_UNLOCK(isp); |
| 578 | return; |
| 579 | } |
| 580 | /* |
| 581 | * Otherwise, fall thru to be queued up for later. |
| 582 | */ |
| 583 | } else { |
| 584 | int wasblocked = |
| 585 | (isp->isp_osinfo.blocked || isp->isp_osinfo.paused); |
| 586 | isp->isp_osinfo.blocked = isp->isp_osinfo.paused = 0; |
| 587 | if (wasblocked) { |
| 588 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 589 | "THAW QUEUES @ LINE %d" , __LINE__); |
| 590 | scsipi_channel_thaw(&isp->isp_osinfo.chan[chan], |
| 591 | 1); |
| 592 | } |
| 593 | } |
| 594 | if (xs->xs_control & XS_CTL_POLL) { |
| 595 | isp->isp_osinfo.mbox_sleep_ok = ombi; |
| 596 | } |
| 597 | } |
| 598 | |
| 599 | if (isp->isp_osinfo.paused) { |
| 600 | isp_prt(isp, ISP_LOGWARN, "I/O while paused" ); |
| 601 | xs->error = XS_RESOURCE_SHORTAGE; |
| 602 | scsipi_done(xs); |
| 603 | ISP_UNLOCK(isp); |
| 604 | return; |
| 605 | } |
| 606 | if (isp->isp_osinfo.blocked) { |
| 607 | isp_prt(isp, ISP_LOGWARN, |
| 608 | "I/O while blocked with retries %d" , xs, xs->xs_retries); |
| 609 | if (xs->xs_retries) { |
| 610 | xs->error = XS_REQUEUE; |
| 611 | xs->xs_retries--; |
| 612 | } else { |
| 613 | XS_SETERR(xs, HBA_SELTIMEOUT); |
| 614 | } |
| 615 | scsipi_done(xs); |
| 616 | ISP_UNLOCK(isp); |
| 617 | return; |
| 618 | } |
| 619 | |
| 620 | if (xs->xs_control & XS_CTL_POLL) { |
| 621 | ombi = isp->isp_osinfo.mbox_sleep_ok; |
| 622 | isp->isp_osinfo.mbox_sleep_ok = 0; |
| 623 | } |
| 624 | |
| 625 | switch (isp_start(xs)) { |
| 626 | case CMD_QUEUED: |
| 627 | if (IS_FC(isp) && isp->isp_osinfo.wwns[XS_TGT(xs)] == 0) { |
| 628 | fcparam *fcp = FCPARAM(isp, XS_CHANNEL(xs)); |
| 629 | int dbidx = fcp->isp_dev_map[XS_TGT(xs)] - 1; |
| 630 | device_t dev = xs->xs_periph->periph_dev; |
| 631 | |
| 632 | if (dbidx >= 0 && dev && |
| 633 | prop_dictionary_set_uint64(device_properties(dev), |
| 634 | "port-wwn" , fcp->portdb[dbidx].port_wwn) == TRUE) { |
| 635 | isp->isp_osinfo.wwns[XS_TGT(xs)] = |
| 636 | fcp->portdb[dbidx].port_wwn; |
| 637 | } |
| 638 | } |
| 639 | if (xs->xs_control & XS_CTL_POLL) { |
| 640 | isp_polled_cmd_wait(isp, xs); |
| 641 | isp->isp_osinfo.mbox_sleep_ok = ombi; |
| 642 | } else if (xs->timeout) { |
| 643 | callout_reset(&xs->xs_callout, _XT(xs), isp_dog, xs); |
| 644 | } |
| 645 | break; |
| 646 | case CMD_EAGAIN: |
| 647 | isp->isp_osinfo.paused = 1; |
| 648 | xs->error = XS_RESOURCE_SHORTAGE; |
| 649 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 650 | "FREEZE QUEUES @ LINE %d" , __LINE__); |
| 651 | for (chan = 0; chan < isp->isp_nchan; chan++) { |
| 652 | scsipi_channel_freeze(&isp->isp_osinfo.chan[chan], 1); |
| 653 | } |
| 654 | scsipi_done(xs); |
| 655 | break; |
| 656 | case CMD_RQLATER: |
| 657 | /* |
| 658 | * We can only get RQLATER from FC devices (1 channel only) |
| 659 | * |
| 660 | * If we've never seen loop up see if if we've been down |
| 661 | * quickboot time, otherwise wait loop down limit time. |
| 662 | * If so, then we start giving up on commands. |
| 663 | */ |
| 664 | if (FCPARAM(isp, XS_CHANNEL(xs))->loop_seen_once == 0) { |
| 665 | lim = isp_quickboot_time; |
| 666 | } else { |
| 667 | lim = isp->isp_osinfo.loop_down_limit; |
| 668 | } |
| 669 | if (isp->isp_osinfo.loop_down_time >= lim) { |
| 670 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 671 | "RQLATER->SELTIMEOUT for %d (%d >= %d)" , XS_TGT(xs), |
| 672 | isp->isp_osinfo.loop_down_time, lim); |
| 673 | XS_SETERR(xs, HBA_SELTIMEOUT); |
| 674 | scsipi_done(xs); |
| 675 | break; |
| 676 | } |
| 677 | if (isp->isp_osinfo.blocked == 0) { |
| 678 | isp->isp_osinfo.blocked = 1; |
| 679 | scsipi_channel_freeze(&isp->isp_osinfo.chan[chan], 1); |
| 680 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 681 | "FREEZE QUEUES @ LINE %d" , __LINE__); |
| 682 | } else { |
| 683 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 684 | "RQLATER WITH FROZEN QUEUES @ LINE %d" , __LINE__); |
| 685 | } |
| 686 | xs->error = XS_REQUEUE; |
| 687 | scsipi_done(xs); |
| 688 | break; |
| 689 | case CMD_COMPLETE: |
| 690 | scsipi_done(xs); |
| 691 | break; |
| 692 | } |
| 693 | ISP_UNLOCK(isp); |
| 694 | } |
| 695 | |
| 696 | static void |
| 697 | isprequest(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg) |
| 698 | { |
| 699 | struct ispsoftc *isp = device_private(chan->chan_adapter->adapt_dev); |
| 700 | |
| 701 | switch (req) { |
| 702 | case ADAPTER_REQ_RUN_XFER: |
| 703 | ispcmd(isp, (XS_T *) arg); |
| 704 | break; |
| 705 | |
| 706 | case ADAPTER_REQ_GROW_RESOURCES: |
| 707 | /* Not supported. */ |
| 708 | break; |
| 709 | |
| 710 | case ADAPTER_REQ_SET_XFER_MODE: |
| 711 | if (IS_SCSI(isp)) { |
| 712 | struct scsipi_xfer_mode *xm = arg; |
| 713 | int dflags = 0; |
| 714 | sdparam *sdp = SDPARAM(isp, chan->chan_channel); |
| 715 | |
| 716 | if (xm->xm_mode & PERIPH_CAP_TQING) |
| 717 | dflags |= DPARM_TQING; |
| 718 | if (xm->xm_mode & PERIPH_CAP_WIDE16) |
| 719 | dflags |= DPARM_WIDE; |
| 720 | if (xm->xm_mode & PERIPH_CAP_SYNC) |
| 721 | dflags |= DPARM_SYNC; |
| 722 | ISP_LOCK(isp); |
| 723 | sdp->isp_devparam[xm->xm_target].goal_flags |= dflags; |
| 724 | dflags = sdp->isp_devparam[xm->xm_target].goal_flags; |
| 725 | sdp->isp_devparam[xm->xm_target].dev_update = 1; |
| 726 | sdp->update = 1; |
| 727 | ISP_UNLOCK(isp); |
| 728 | isp_prt(isp, ISP_LOGDEBUG1, |
| 729 | "isprequest: device flags 0x%x for %d.%d.X" , |
| 730 | dflags, chan->chan_channel, xm->xm_target); |
| 731 | break; |
| 732 | } |
| 733 | default: |
| 734 | break; |
| 735 | } |
| 736 | } |
| 737 | |
| 738 | static void |
| 739 | isp_polled_cmd_wait(struct ispsoftc *isp, XS_T *xs) |
| 740 | { |
| 741 | int infinite = 0, mswait; |
| 742 | |
| 743 | /* |
| 744 | * If we can't use interrupts, poll on completion. |
| 745 | */ |
| 746 | if ((mswait = XS_TIME(xs)) == 0) { |
| 747 | infinite = 1; |
| 748 | } |
| 749 | |
| 750 | while (mswait || infinite) { |
| 751 | uint32_t isr; |
| 752 | uint16_t sema, mbox; |
| 753 | if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { |
| 754 | isp_intr(isp, isr, sema, mbox); |
| 755 | if (XS_CMD_DONE_P(xs)) { |
| 756 | break; |
| 757 | } |
| 758 | } |
| 759 | ISP_DELAY(1000); |
| 760 | mswait -= 1; |
| 761 | } |
| 762 | |
| 763 | /* |
| 764 | * If no other error occurred but we didn't finish |
| 765 | * something bad happened, so abort the command. |
| 766 | */ |
| 767 | if (XS_CMD_DONE_P(xs) == 0) { |
| 768 | if (isp_control(isp, ISPCTL_ABORT_CMD, xs)) { |
| 769 | isp_reinit(isp, 0); |
| 770 | } |
| 771 | if (XS_NOERR(xs)) { |
| 772 | isp_prt(isp, ISP_LOGERR, "polled command timed out" ); |
| 773 | XS_SETERR(xs, HBA_BOTCH); |
| 774 | } |
| 775 | } |
| 776 | scsipi_done(xs); |
| 777 | } |
| 778 | |
| 779 | void |
| 780 | isp_done(XS_T *xs) |
| 781 | { |
| 782 | if (XS_CMD_WDOG_P(xs) == 0) { |
| 783 | struct ispsoftc *isp = XS_ISP(xs); |
| 784 | callout_stop(&xs->xs_callout); |
| 785 | if (XS_CMD_GRACE_P(xs)) { |
| 786 | isp_prt(isp, ISP_LOGDEBUG1, |
| 787 | "finished command on borrowed time" ); |
| 788 | } |
| 789 | XS_CMD_S_CLEAR(xs); |
| 790 | /* |
| 791 | * Fixup- if we get a QFULL, we need |
| 792 | * to set XS_BUSY as the error. |
| 793 | */ |
| 794 | if (xs->status == SCSI_QUEUE_FULL) { |
| 795 | xs->error = XS_BUSY; |
| 796 | } |
| 797 | if (isp->isp_osinfo.paused) { |
| 798 | int i; |
| 799 | isp->isp_osinfo.paused = 0; |
| 800 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 801 | "THAW QUEUES @ LINE %d" , __LINE__); |
| 802 | for (i = 0; i < isp->isp_nchan; i++) { |
| 803 | scsipi_channel_timed_thaw(&isp->isp_osinfo.chan[i]); |
| 804 | } |
| 805 | } |
| 806 | if (xs->error == XS_DRIVER_STUFFUP) { |
| 807 | isp_prt(isp, ISP_LOGERR, |
| 808 | "BOTCHED cmd for %d.%d.%d cmd 0x%x datalen %ld" , |
| 809 | XS_CHANNEL(xs), XS_TGT(xs), XS_LUN(xs), |
| 810 | XS_CDBP(xs)[0], (long) XS_XFRLEN(xs)); |
| 811 | } |
| 812 | scsipi_done(xs); |
| 813 | } |
| 814 | } |
| 815 | |
| 816 | static void |
| 817 | isp_dog(void *arg) |
| 818 | { |
| 819 | XS_T *xs = arg; |
| 820 | struct ispsoftc *isp = XS_ISP(xs); |
| 821 | uint32_t handle; |
| 822 | int sok; |
| 823 | |
| 824 | |
| 825 | ISP_ILOCK(isp); |
| 826 | sok = isp->isp_osinfo.mbox_sleep_ok; |
| 827 | isp->isp_osinfo.mbox_sleep_ok = 0; |
| 828 | /* |
| 829 | * We've decided this command is dead. Make sure we're not trying |
| 830 | * to kill a command that's already dead by getting its handle and |
| 831 | * and seeing whether it's still alive. |
| 832 | */ |
| 833 | handle = isp_find_handle(isp, xs); |
| 834 | if (handle) { |
| 835 | uint32_t isr; |
| 836 | uint16_t mbox, sema; |
| 837 | |
| 838 | if (XS_CMD_DONE_P(xs)) { |
| 839 | isp_prt(isp, ISP_LOGDEBUG1, |
| 840 | "watchdog found done cmd (handle 0x%x)" , handle); |
| 841 | goto out; |
| 842 | } |
| 843 | |
| 844 | if (XS_CMD_WDOG_P(xs)) { |
| 845 | isp_prt(isp, ISP_LOGDEBUG1, |
| 846 | "recursive watchdog (handle 0x%x)" , handle); |
| 847 | goto out; |
| 848 | } |
| 849 | |
| 850 | XS_CMD_S_WDOG(xs); |
| 851 | |
| 852 | if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { |
| 853 | isp_intr(isp, isr, sema, mbox); |
| 854 | |
| 855 | } |
| 856 | if (XS_CMD_DONE_P(xs)) { |
| 857 | isp_prt(isp, ISP_LOGDEBUG1, |
| 858 | "watchdog cleanup for handle 0x%x" , handle); |
| 859 | XS_CMD_C_WDOG(xs); |
| 860 | isp_done(xs); |
| 861 | } else if (XS_CMD_GRACE_P(xs)) { |
| 862 | isp_prt(isp, ISP_LOGDEBUG1, |
| 863 | "watchdog timeout for handle 0x%x" , handle); |
| 864 | /* |
| 865 | * Make sure the command is *really* dead before we |
| 866 | * release the handle (and DMA resources) for reuse. |
| 867 | */ |
| 868 | (void) isp_control(isp, ISPCTL_ABORT_CMD, arg); |
| 869 | |
| 870 | /* |
| 871 | * After this point, the command is really dead. |
| 872 | */ |
| 873 | if (XS_XFRLEN(xs)) { |
| 874 | ISP_DMAFREE(isp, xs, handle); |
| 875 | } |
| 876 | isp_destroy_handle(isp, handle); |
| 877 | XS_SETERR(xs, XS_TIMEOUT); |
| 878 | XS_CMD_S_CLEAR(xs); |
| 879 | isp_done(xs); |
| 880 | } else { |
| 881 | void *qe; |
| 882 | isp_marker_t local, *mp = &local; |
| 883 | isp_prt(isp, ISP_LOGDEBUG2, |
| 884 | "possible command timeout on handle %x" , handle); |
| 885 | XS_CMD_C_WDOG(xs); |
| 886 | callout_reset(&xs->xs_callout, hz, isp_dog, xs); |
| 887 | qe = isp_getrqentry(isp); |
| 888 | if (qe == NULL) |
| 889 | goto out; |
| 890 | XS_CMD_S_GRACE(xs); |
| 891 | ISP_MEMZERO((void *) mp, sizeof (*mp)); |
| 892 | mp->mrk_header.rqs_entry_count = 1; |
| 893 | mp->mrk_header.rqs_entry_type = RQSTYPE_MARKER; |
| 894 | mp->mrk_modifier = SYNC_ALL; |
| 895 | mp->mrk_target = XS_CHANNEL(xs) << 7; |
| 896 | isp_put_marker(isp, mp, qe); |
| 897 | ISP_SYNC_REQUEST(isp); |
| 898 | } |
| 899 | } else { |
| 900 | isp_prt(isp, ISP_LOGDEBUG0, "watchdog with no command" ); |
| 901 | } |
| 902 | out: |
| 903 | isp->isp_osinfo.mbox_sleep_ok = sok; |
| 904 | ISP_IUNLOCK(isp); |
| 905 | } |
| 906 | |
| 907 | /* |
| 908 | * Gone Device Timer Function- when we have decided that a device has gone |
| 909 | * away, we wait a specific period of time prior to telling the OS it has |
| 910 | * gone away. |
| 911 | * |
| 912 | * This timer function fires once a second and then scans the port database |
| 913 | * for devices that are marked dead but still have a virtual target assigned. |
| 914 | * We decrement a counter for that port database entry, and when it hits zero, |
| 915 | * we tell the OS the device has gone away. |
| 916 | */ |
| 917 | static void |
| 918 | isp_gdt(void *arg) |
| 919 | { |
| 920 | ispsoftc_t *isp = arg; |
| 921 | fcportdb_t *lp; |
| 922 | int dbidx, tgt, more_to_do = 0; |
| 923 | |
| 924 | isp_prt(isp, ISP_LOGDEBUG0, "GDT timer expired" ); |
| 925 | ISP_LOCK(isp); |
| 926 | for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { |
| 927 | lp = &FCPARAM(isp, 0)->portdb[dbidx]; |
| 928 | |
| 929 | if (lp->state != FC_PORTDB_STATE_ZOMBIE) { |
| 930 | continue; |
| 931 | } |
| 932 | if (lp->dev_map_idx == 0) { |
| 933 | continue; |
| 934 | } |
| 935 | if (lp->new_reserved == 0) { |
| 936 | continue; |
| 937 | } |
| 938 | lp->new_reserved -= 1; |
| 939 | if (lp->new_reserved != 0) { |
| 940 | more_to_do++; |
| 941 | continue; |
| 942 | } |
| 943 | tgt = lp->dev_map_idx - 1; |
| 944 | FCPARAM(isp, 0)->isp_dev_map[tgt] = 0; |
| 945 | lp->dev_map_idx = 0; |
| 946 | lp->state = FC_PORTDB_STATE_NIL; |
| 947 | isp_prt(isp, ISP_LOGCONFIG, prom3, lp->portid, tgt, |
| 948 | "Gone Device Timeout" ); |
| 949 | isp_make_gone(isp, tgt); |
| 950 | } |
| 951 | if (more_to_do) { |
| 952 | callout_schedule(&isp->isp_osinfo.gdt, hz); |
| 953 | } else { |
| 954 | isp->isp_osinfo.gdt_running = 0; |
| 955 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 956 | "stopping Gone Device Timer" ); |
| 957 | } |
| 958 | ISP_UNLOCK(isp); |
| 959 | } |
| 960 | |
| 961 | /* |
| 962 | * Loop Down Timer Function- when loop goes down, a timer is started and |
| 963 | * and after it expires we come here and take all probational devices that |
| 964 | * the OS knows about and the tell the OS that they've gone away. |
| 965 | * |
| 966 | * We don't clear the devices out of our port database because, when loop |
| 967 | * come back up, we have to do some actual cleanup with the chip at that |
| 968 | * point (implicit PLOGO, e.g., to get the chip's port database state right). |
| 969 | */ |
| 970 | static void |
| 971 | isp_ldt(void *arg) |
| 972 | { |
| 973 | ispsoftc_t *isp = arg; |
| 974 | fcportdb_t *lp; |
| 975 | int dbidx, tgt; |
| 976 | |
| 977 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "Loop Down Timer expired" ); |
| 978 | ISP_LOCK(isp); |
| 979 | |
| 980 | /* |
| 981 | * Notify to the OS all targets who we now consider have departed. |
| 982 | */ |
| 983 | for (dbidx = 0; dbidx < MAX_FC_TARG; dbidx++) { |
| 984 | lp = &FCPARAM(isp, 0)->portdb[dbidx]; |
| 985 | |
| 986 | if (lp->state != FC_PORTDB_STATE_PROBATIONAL) { |
| 987 | continue; |
| 988 | } |
| 989 | if (lp->dev_map_idx == 0) { |
| 990 | continue; |
| 991 | } |
| 992 | |
| 993 | /* |
| 994 | * XXX: CLEAN UP AND COMPLETE ANY PENDING COMMANDS FIRST! |
| 995 | */ |
| 996 | |
| 997 | /* |
| 998 | * Mark that we've announced that this device is gone.... |
| 999 | */ |
| 1000 | lp->reserved = 1; |
| 1001 | |
| 1002 | /* |
| 1003 | * but *don't* change the state of the entry. Just clear |
| 1004 | * any target id stuff and announce to CAM that the |
| 1005 | * device is gone. This way any necessary PLOGO stuff |
| 1006 | * will happen when loop comes back up. |
| 1007 | */ |
| 1008 | |
| 1009 | tgt = lp->dev_map_idx - 1; |
| 1010 | FCPARAM(isp, 0)->isp_dev_map[tgt] = 0; |
| 1011 | lp->dev_map_idx = 0; |
| 1012 | isp_prt(isp, ISP_LOGCONFIG, prom3, lp->portid, tgt, |
| 1013 | "Loop Down Timeout" ); |
| 1014 | isp_make_gone(isp, tgt); |
| 1015 | } |
| 1016 | |
| 1017 | /* |
| 1018 | * The loop down timer has expired. Wake up the kthread |
| 1019 | * to notice that fact (or make it false). |
| 1020 | */ |
| 1021 | isp->isp_osinfo.loop_down_time = isp->isp_osinfo.loop_down_limit+1; |
| 1022 | wakeup(&isp->isp_osinfo.thread); |
| 1023 | ISP_UNLOCK(isp); |
| 1024 | } |
| 1025 | |
| 1026 | static void |
| 1027 | isp_make_here(ispsoftc_t *isp, int tgt) |
| 1028 | { |
| 1029 | isp_prt(isp, ISP_LOGINFO, "target %d has arrived" , tgt); |
| 1030 | } |
| 1031 | |
| 1032 | static void |
| 1033 | isp_make_gone(ispsoftc_t *isp, int tgt) |
| 1034 | { |
| 1035 | isp_prt(isp, ISP_LOGINFO, "target %d has departed" , tgt); |
| 1036 | } |
| 1037 | |
| 1038 | static void |
| 1039 | isp_fc_worker(void *arg) |
| 1040 | { |
| 1041 | void scsipi_run_queue(struct scsipi_channel *); |
| 1042 | ispsoftc_t *isp = arg; |
| 1043 | int slp = 0; |
| 1044 | int chan = 0; |
| 1045 | |
| 1046 | int s = splbio(); |
| 1047 | /* |
| 1048 | * The first loop is for our usage where we have yet to have |
| 1049 | * gotten good fibre channel state. |
| 1050 | */ |
| 1051 | while (isp->isp_osinfo.thread != NULL) { |
| 1052 | int sok, lb, lim; |
| 1053 | |
| 1054 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "checking FC state" ); |
| 1055 | sok = isp->isp_osinfo.mbox_sleep_ok; |
| 1056 | isp->isp_osinfo.mbox_sleep_ok = 1; |
| 1057 | lb = isp_fc_runstate(isp, chan, 250000); |
| 1058 | isp->isp_osinfo.mbox_sleep_ok = sok; |
| 1059 | if (lb) { |
| 1060 | /* |
| 1061 | * Increment loop down time by the last sleep interval |
| 1062 | */ |
| 1063 | isp->isp_osinfo.loop_down_time += slp; |
| 1064 | |
| 1065 | if (lb < 0) { |
| 1066 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 1067 | "FC loop not up (down count %d)" , |
| 1068 | isp->isp_osinfo.loop_down_time); |
| 1069 | } else { |
| 1070 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 1071 | "FC got to %d (down count %d)" , |
| 1072 | lb, isp->isp_osinfo.loop_down_time); |
| 1073 | } |
| 1074 | |
| 1075 | |
| 1076 | /* |
| 1077 | * If we've never seen loop up and we've waited longer |
| 1078 | * than quickboot time, or we've seen loop up but we've |
| 1079 | * waited longer than loop_down_limit, give up and go |
| 1080 | * to sleep until loop comes up. |
| 1081 | */ |
| 1082 | if (FCPARAM(isp, 0)->loop_seen_once == 0) { |
| 1083 | lim = isp_quickboot_time; |
| 1084 | } else { |
| 1085 | lim = isp->isp_osinfo.loop_down_limit; |
| 1086 | } |
| 1087 | if (isp->isp_osinfo.loop_down_time >= lim) { |
| 1088 | /* |
| 1089 | * If we're now past our limit, release |
| 1090 | * the queues and let them come in and |
| 1091 | * either get HBA_SELTIMOUT or cause |
| 1092 | * another freeze. |
| 1093 | */ |
| 1094 | isp->isp_osinfo.blocked = 1; |
| 1095 | slp = 0; |
| 1096 | } else if (isp->isp_osinfo.loop_down_time < 10) { |
| 1097 | slp = 1; |
| 1098 | } else if (isp->isp_osinfo.loop_down_time < 30) { |
| 1099 | slp = 5; |
| 1100 | } else if (isp->isp_osinfo.loop_down_time < 60) { |
| 1101 | slp = 10; |
| 1102 | } else if (isp->isp_osinfo.loop_down_time < 120) { |
| 1103 | slp = 20; |
| 1104 | } else { |
| 1105 | slp = 30; |
| 1106 | } |
| 1107 | |
| 1108 | } else { |
| 1109 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 1110 | "FC state OK" ); |
| 1111 | isp->isp_osinfo.loop_down_time = 0; |
| 1112 | slp = 0; |
| 1113 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 1114 | "THAW QUEUES @ LINE %d" , __LINE__); |
| 1115 | scsipi_channel_thaw(&isp->isp_osinfo.chan[chan], 1); |
| 1116 | } |
| 1117 | |
| 1118 | /* |
| 1119 | * If we'd frozen the queues, unfreeze them now so that |
| 1120 | * we can start getting commands. If the FC state isn't |
| 1121 | * okay yet, they'll hit that in isp_start which will |
| 1122 | * freeze the queues again. |
| 1123 | */ |
| 1124 | if (isp->isp_osinfo.blocked) { |
| 1125 | isp->isp_osinfo.blocked = 0; |
| 1126 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 1127 | "THAW QUEUES @ LINE %d" , __LINE__); |
| 1128 | scsipi_channel_thaw(&isp->isp_osinfo.chan[chan], 1); |
| 1129 | } |
| 1130 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, "sleep time %d" , slp); |
| 1131 | tsleep(&isp->isp_osinfo.thread, PRIBIO, "ispf" , slp * hz); |
| 1132 | |
| 1133 | /* |
| 1134 | * If slp is zero, we're waking up for the first time after |
| 1135 | * things have been okay. In this case, we set a deferral state |
| 1136 | * for all commands and delay hysteresis seconds before starting |
| 1137 | * the FC state evaluation. This gives the loop/fabric a chance |
| 1138 | * to settle. |
| 1139 | */ |
| 1140 | if (slp == 0 && isp_fabric_hysteresis) { |
| 1141 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 1142 | "sleep hysteresis tick time %d" , |
| 1143 | isp_fabric_hysteresis * hz); |
| 1144 | (void) tsleep(&isp_fabric_hysteresis, PRIBIO, "ispT" , |
| 1145 | (isp_fabric_hysteresis * hz)); |
| 1146 | } |
| 1147 | } |
| 1148 | splx(s); |
| 1149 | |
| 1150 | /* In case parent is waiting for us to exit. */ |
| 1151 | wakeup(&isp->isp_osinfo.thread); |
| 1152 | kthread_exit(0); |
| 1153 | } |
| 1154 | |
| 1155 | /* |
| 1156 | * Free any associated resources prior to decommissioning and |
| 1157 | * set the card to a known state (so it doesn't wake up and kick |
| 1158 | * us when we aren't expecting it to). |
| 1159 | * |
| 1160 | * Locks are held before coming here. |
| 1161 | */ |
| 1162 | void |
| 1163 | isp_uninit(struct ispsoftc *isp) |
| 1164 | { |
| 1165 | isp_lock(isp); |
| 1166 | /* |
| 1167 | * Leave with interrupts disabled. |
| 1168 | */ |
| 1169 | ISP_DISABLE_INTS(isp); |
| 1170 | isp_unlock(isp); |
| 1171 | } |
| 1172 | |
| 1173 | void |
| 1174 | isp_async(struct ispsoftc *isp, ispasync_t cmd, ...) |
| 1175 | { |
| 1176 | int bus, tgt; |
| 1177 | const char *msg = NULL; |
| 1178 | static const char prom[] = |
| 1179 | "PortID 0x%06x handle 0x%x role %s %s\n" |
| 1180 | " WWNN 0x%08x%08x WWPN 0x%08x%08x" ; |
| 1181 | static const char prom2[] = |
| 1182 | "PortID 0x%06x handle 0x%x role %s %s tgt %u\n" |
| 1183 | " WWNN 0x%08x%08x WWPN 0x%08x%08x" ; |
| 1184 | fcportdb_t *lp; |
| 1185 | va_list ap; |
| 1186 | |
| 1187 | switch (cmd) { |
| 1188 | case ISPASYNC_NEW_TGT_PARAMS: |
| 1189 | if (IS_SCSI(isp)) { |
| 1190 | sdparam *sdp; |
| 1191 | int flags; |
| 1192 | struct scsipi_xfer_mode xm; |
| 1193 | |
| 1194 | va_start(ap, cmd); |
| 1195 | bus = va_arg(ap, int); |
| 1196 | tgt = va_arg(ap, int); |
| 1197 | va_end(ap); |
| 1198 | sdp = SDPARAM(isp, bus); |
| 1199 | flags = sdp->isp_devparam[tgt].actv_flags; |
| 1200 | |
| 1201 | xm.xm_mode = 0; |
| 1202 | xm.xm_period = sdp->isp_devparam[tgt].actv_period; |
| 1203 | xm.xm_offset = sdp->isp_devparam[tgt].actv_offset; |
| 1204 | xm.xm_target = tgt; |
| 1205 | |
| 1206 | if ((flags & DPARM_SYNC) && xm.xm_period && xm.xm_offset) |
| 1207 | xm.xm_mode |= PERIPH_CAP_SYNC; |
| 1208 | if (flags & DPARM_WIDE) |
| 1209 | xm.xm_mode |= PERIPH_CAP_WIDE16; |
| 1210 | if (flags & DPARM_TQING) |
| 1211 | xm.xm_mode |= PERIPH_CAP_TQING; |
| 1212 | scsipi_async_event(&isp->isp_osinfo.chan[bus], |
| 1213 | ASYNC_EVENT_XFER_MODE, &xm); |
| 1214 | break; |
| 1215 | } |
| 1216 | case ISPASYNC_BUS_RESET: |
| 1217 | va_start(ap, cmd); |
| 1218 | bus = va_arg(ap, int); |
| 1219 | va_end(ap); |
| 1220 | isp_prt(isp, ISP_LOGINFO, "SCSI bus %d reset detected" , bus); |
| 1221 | scsipi_async_event(&isp->isp_osinfo.chan[bus], |
| 1222 | ASYNC_EVENT_RESET, NULL); |
| 1223 | break; |
| 1224 | case ISPASYNC_LIP: |
| 1225 | if (msg == NULL) { |
| 1226 | msg = "LIP Received" ; |
| 1227 | } |
| 1228 | /* FALLTHROUGH */ |
| 1229 | case ISPASYNC_LOOP_RESET: |
| 1230 | if (msg == NULL) { |
| 1231 | msg = "LOOP Reset Received" ; |
| 1232 | } |
| 1233 | /* FALLTHROUGH */ |
| 1234 | case ISPASYNC_LOOP_DOWN: |
| 1235 | if (msg == NULL) { |
| 1236 | msg = "Loop DOWN" ; |
| 1237 | } |
| 1238 | va_start(ap, cmd); |
| 1239 | bus = va_arg(ap, int); |
| 1240 | va_end(ap); |
| 1241 | |
| 1242 | /* |
| 1243 | * Don't do queue freezes or blockage until we have the |
| 1244 | * thread running and interrupts that can unfreeze/unblock us. |
| 1245 | */ |
| 1246 | if (isp->isp_osinfo.mbox_sleep_ok && |
| 1247 | isp->isp_osinfo.blocked == 0 && |
| 1248 | isp->isp_osinfo.thread) { |
| 1249 | isp->isp_osinfo.blocked = 1; |
| 1250 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 1251 | "FREEZE QUEUES @ LINE %d" , __LINE__); |
| 1252 | scsipi_channel_freeze(&isp->isp_osinfo.chan[bus], 1); |
| 1253 | if (callout_pending(&isp->isp_osinfo.ldt) == 0) { |
| 1254 | callout_schedule(&isp->isp_osinfo.ldt, |
| 1255 | isp->isp_osinfo.loop_down_limit * hz); |
| 1256 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 1257 | "Starting Loop Down Timer" ); |
| 1258 | } |
| 1259 | } |
| 1260 | isp_prt(isp, ISP_LOGINFO, msg); |
| 1261 | break; |
| 1262 | case ISPASYNC_LOOP_UP: |
| 1263 | /* |
| 1264 | * Let the subsequent ISPASYNC_CHANGE_NOTIFY invoke |
| 1265 | * the FC worker thread. When the FC worker thread |
| 1266 | * is done, let *it* call scsipi_channel_thaw... |
| 1267 | */ |
| 1268 | isp_prt(isp, ISP_LOGINFO, "Loop UP" ); |
| 1269 | break; |
| 1270 | case ISPASYNC_DEV_ARRIVED: |
| 1271 | va_start(ap, cmd); |
| 1272 | bus = va_arg(ap, int); |
| 1273 | lp = va_arg(ap, fcportdb_t *); |
| 1274 | va_end(ap); |
| 1275 | lp->reserved = 0; |
| 1276 | if ((FCPARAM(isp, bus)->role & ISP_ROLE_INITIATOR) && |
| 1277 | (lp->roles & (SVC3_TGT_ROLE >> SVC3_ROLE_SHIFT))) { |
| 1278 | int dbidx = lp - FCPARAM(isp, bus)->portdb; |
| 1279 | int i; |
| 1280 | |
| 1281 | for (i = 0; i < MAX_FC_TARG; i++) { |
| 1282 | if (i >= FL_ID && i <= SNS_ID) { |
| 1283 | continue; |
| 1284 | } |
| 1285 | if (FCPARAM(isp, bus)->isp_dev_map[i] == 0) { |
| 1286 | break; |
| 1287 | } |
| 1288 | } |
| 1289 | if (i < MAX_FC_TARG) { |
| 1290 | FCPARAM(isp, bus)->isp_dev_map[i] = dbidx + 1; |
| 1291 | lp->dev_map_idx = i + 1; |
| 1292 | } else { |
| 1293 | isp_prt(isp, ISP_LOGWARN, "out of target ids" ); |
| 1294 | isp_dump_portdb(isp, bus); |
| 1295 | } |
| 1296 | } |
| 1297 | if (lp->dev_map_idx) { |
| 1298 | tgt = lp->dev_map_idx - 1; |
| 1299 | isp_prt(isp, ISP_LOGCONFIG, prom2, |
| 1300 | lp->portid, lp->handle, |
| 1301 | roles[lp->roles], "arrived at" , tgt, |
| 1302 | (uint32_t) (lp->node_wwn >> 32), |
| 1303 | (uint32_t) lp->node_wwn, |
| 1304 | (uint32_t) (lp->port_wwn >> 32), |
| 1305 | (uint32_t) lp->port_wwn); |
| 1306 | isp_make_here(isp, tgt); |
| 1307 | } else { |
| 1308 | isp_prt(isp, ISP_LOGCONFIG, prom, |
| 1309 | lp->portid, lp->handle, |
| 1310 | roles[lp->roles], "arrived" , |
| 1311 | (uint32_t) (lp->node_wwn >> 32), |
| 1312 | (uint32_t) lp->node_wwn, |
| 1313 | (uint32_t) (lp->port_wwn >> 32), |
| 1314 | (uint32_t) lp->port_wwn); |
| 1315 | } |
| 1316 | break; |
| 1317 | case ISPASYNC_DEV_CHANGED: |
| 1318 | va_start(ap, cmd); |
| 1319 | bus = va_arg(ap, int); |
| 1320 | lp = va_arg(ap, fcportdb_t *); |
| 1321 | va_end(ap); |
| 1322 | if (isp_change_is_bad) { |
| 1323 | lp->state = FC_PORTDB_STATE_NIL; |
| 1324 | if (lp->dev_map_idx) { |
| 1325 | tgt = lp->dev_map_idx - 1; |
| 1326 | FCPARAM(isp, bus)->isp_dev_map[tgt] = 0; |
| 1327 | lp->dev_map_idx = 0; |
| 1328 | isp_prt(isp, ISP_LOGCONFIG, prom3, |
| 1329 | lp->portid, tgt, "change is bad" ); |
| 1330 | isp_make_gone(isp, tgt); |
| 1331 | } else { |
| 1332 | isp_prt(isp, ISP_LOGCONFIG, prom, |
| 1333 | lp->portid, lp->handle, |
| 1334 | roles[lp->roles], |
| 1335 | "changed and departed" , |
| 1336 | (uint32_t) (lp->node_wwn >> 32), |
| 1337 | (uint32_t) lp->node_wwn, |
| 1338 | (uint32_t) (lp->port_wwn >> 32), |
| 1339 | (uint32_t) lp->port_wwn); |
| 1340 | } |
| 1341 | } else { |
| 1342 | lp->portid = lp->new_portid; |
| 1343 | lp->roles = lp->new_roles; |
| 1344 | if (lp->dev_map_idx) { |
| 1345 | int t = lp->dev_map_idx - 1; |
| 1346 | FCPARAM(isp, bus)->isp_dev_map[t] = |
| 1347 | (lp - FCPARAM(isp, bus)->portdb) + 1; |
| 1348 | tgt = lp->dev_map_idx - 1; |
| 1349 | isp_prt(isp, ISP_LOGCONFIG, prom2, |
| 1350 | lp->portid, lp->handle, |
| 1351 | roles[lp->roles], "changed at" , tgt, |
| 1352 | (uint32_t) (lp->node_wwn >> 32), |
| 1353 | (uint32_t) lp->node_wwn, |
| 1354 | (uint32_t) (lp->port_wwn >> 32), |
| 1355 | (uint32_t) lp->port_wwn); |
| 1356 | } else { |
| 1357 | isp_prt(isp, ISP_LOGCONFIG, prom, |
| 1358 | lp->portid, lp->handle, |
| 1359 | roles[lp->roles], "changed" , |
| 1360 | (uint32_t) (lp->node_wwn >> 32), |
| 1361 | (uint32_t) lp->node_wwn, |
| 1362 | (uint32_t) (lp->port_wwn >> 32), |
| 1363 | (uint32_t) lp->port_wwn); |
| 1364 | } |
| 1365 | } |
| 1366 | break; |
| 1367 | case ISPASYNC_DEV_STAYED: |
| 1368 | va_start(ap, cmd); |
| 1369 | bus = va_arg(ap, int); |
| 1370 | lp = va_arg(ap, fcportdb_t *); |
| 1371 | va_end(ap); |
| 1372 | if (lp->dev_map_idx) { |
| 1373 | tgt = lp->dev_map_idx - 1; |
| 1374 | isp_prt(isp, ISP_LOGCONFIG, prom2, |
| 1375 | lp->portid, lp->handle, |
| 1376 | roles[lp->roles], "stayed at" , tgt, |
| 1377 | (uint32_t) (lp->node_wwn >> 32), |
| 1378 | (uint32_t) lp->node_wwn, |
| 1379 | (uint32_t) (lp->port_wwn >> 32), |
| 1380 | (uint32_t) lp->port_wwn); |
| 1381 | } else { |
| 1382 | isp_prt(isp, ISP_LOGCONFIG, prom, |
| 1383 | lp->portid, lp->handle, |
| 1384 | roles[lp->roles], "stayed" , |
| 1385 | (uint32_t) (lp->node_wwn >> 32), |
| 1386 | (uint32_t) lp->node_wwn, |
| 1387 | (uint32_t) (lp->port_wwn >> 32), |
| 1388 | (uint32_t) lp->port_wwn); |
| 1389 | } |
| 1390 | break; |
| 1391 | case ISPASYNC_DEV_GONE: |
| 1392 | va_start(ap, cmd); |
| 1393 | bus = va_arg(ap, int); |
| 1394 | lp = va_arg(ap, fcportdb_t *); |
| 1395 | va_end(ap); |
| 1396 | /* |
| 1397 | * If this has a virtual target and we haven't marked it |
| 1398 | * that we're going to have isp_gdt tell the OS it's gone, |
| 1399 | * set the isp_gdt timer running on it. |
| 1400 | * |
| 1401 | * If it isn't marked that isp_gdt is going to get rid of it, |
| 1402 | * announce that it's gone. |
| 1403 | */ |
| 1404 | if (lp->dev_map_idx && lp->reserved == 0) { |
| 1405 | lp->reserved = 1; |
| 1406 | lp->new_reserved = isp->isp_osinfo.gone_device_time; |
| 1407 | lp->state = FC_PORTDB_STATE_ZOMBIE; |
| 1408 | if (isp->isp_osinfo.gdt_running == 0) { |
| 1409 | isp->isp_osinfo.gdt_running = 1; |
| 1410 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 1411 | "starting Gone Device Timer" ); |
| 1412 | callout_schedule(&isp->isp_osinfo.gdt, hz); |
| 1413 | } |
| 1414 | tgt = lp->dev_map_idx - 1; |
| 1415 | isp_prt(isp, ISP_LOGCONFIG, prom2, |
| 1416 | lp->portid, lp->handle, |
| 1417 | roles[lp->roles], "gone zombie at" , tgt, |
| 1418 | (uint32_t) (lp->node_wwn >> 32), |
| 1419 | (uint32_t) lp->node_wwn, |
| 1420 | (uint32_t) (lp->port_wwn >> 32), |
| 1421 | (uint32_t) lp->port_wwn); |
| 1422 | } else if (lp->reserved == 0) { |
| 1423 | isp_prt(isp, ISP_LOGCONFIG, prom, |
| 1424 | lp->portid, lp->handle, |
| 1425 | roles[lp->roles], "departed" , |
| 1426 | (uint32_t) (lp->node_wwn >> 32), |
| 1427 | (uint32_t) lp->node_wwn, |
| 1428 | (uint32_t) (lp->port_wwn >> 32), |
| 1429 | (uint32_t) lp->port_wwn); |
| 1430 | } |
| 1431 | break; |
| 1432 | case ISPASYNC_CHANGE_NOTIFY: |
| 1433 | { |
| 1434 | int opt; |
| 1435 | |
| 1436 | va_start(ap, cmd); |
| 1437 | bus = va_arg(ap, int); |
| 1438 | opt = va_arg(ap, int); |
| 1439 | va_end(ap); |
| 1440 | |
| 1441 | if (opt == ISPASYNC_CHANGE_PDB) { |
| 1442 | msg = "Port Database Changed" ; |
| 1443 | } else if (opt == ISPASYNC_CHANGE_SNS) { |
| 1444 | msg = "Name Server Database Changed" ; |
| 1445 | } else { |
| 1446 | msg = "Other Change Notify" ; |
| 1447 | } |
| 1448 | /* |
| 1449 | * If the loop down timer is running, cancel it. |
| 1450 | */ |
| 1451 | if (callout_pending(&isp->isp_osinfo.ldt)) { |
| 1452 | callout_stop(&isp->isp_osinfo.ldt); |
| 1453 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 1454 | "Stopping Loop Down Timer" ); |
| 1455 | } |
| 1456 | isp_prt(isp, ISP_LOGINFO, msg); |
| 1457 | /* |
| 1458 | * We can set blocked here because we know it's now okay |
| 1459 | * to try and run isp_fc_runstate (in order to build loop |
| 1460 | * state). But we don't try and freeze the midlayer's queue |
| 1461 | * if we have no thread that we can wake to later unfreeze |
| 1462 | * it. |
| 1463 | */ |
| 1464 | if (isp->isp_osinfo.blocked == 0) { |
| 1465 | isp->isp_osinfo.blocked = 1; |
| 1466 | if (isp->isp_osinfo.thread) { |
| 1467 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 1468 | "FREEZE QUEUES @ LINE %d" , __LINE__); |
| 1469 | scsipi_channel_freeze(&isp->isp_osinfo.chan[bus], 1); |
| 1470 | } |
| 1471 | } |
| 1472 | /* |
| 1473 | * Note that we have work for the thread to do, and |
| 1474 | * if the thread is here already, wake it up. |
| 1475 | */ |
| 1476 | if (isp->isp_osinfo.thread) { |
| 1477 | wakeup(&isp->isp_osinfo.thread); |
| 1478 | } else { |
| 1479 | isp_prt(isp, ISP_LOGDEBUG1, "no FC thread yet" ); |
| 1480 | } |
| 1481 | break; |
| 1482 | } |
| 1483 | case ISPASYNC_FW_CRASH: |
| 1484 | { |
| 1485 | uint16_t mbox1; |
| 1486 | mbox1 = ISP_READ(isp, OUTMAILBOX1); |
| 1487 | if (IS_DUALBUS(isp)) { |
| 1488 | bus = ISP_READ(isp, OUTMAILBOX6); |
| 1489 | } else { |
| 1490 | bus = 0; |
| 1491 | } |
| 1492 | isp_prt(isp, ISP_LOGERR, |
| 1493 | "Internal Firmware Error on bus %d @ RISC Address 0x%x" , |
| 1494 | bus, mbox1); |
| 1495 | if (IS_FC(isp)) { |
| 1496 | if (isp->isp_osinfo.blocked == 0) { |
| 1497 | isp->isp_osinfo.blocked = 1; |
| 1498 | isp_prt(isp, ISP_LOGSANCFG|ISP_LOGDEBUG0, |
| 1499 | "FREEZE QUEUES @ LINE %d" , __LINE__); |
| 1500 | scsipi_channel_freeze(&isp->isp_osinfo.chan[bus], 1); |
| 1501 | } |
| 1502 | } |
| 1503 | mbox1 = isp->isp_osinfo.mbox_sleep_ok; |
| 1504 | isp->isp_osinfo.mbox_sleep_ok = 0; |
| 1505 | isp_reinit(isp, 0); |
| 1506 | isp->isp_osinfo.mbox_sleep_ok = mbox1; |
| 1507 | isp_async(isp, ISPASYNC_FW_RESTARTED, NULL); |
| 1508 | break; |
| 1509 | } |
| 1510 | default: |
| 1511 | break; |
| 1512 | } |
| 1513 | } |
| 1514 | |
| 1515 | void |
| 1516 | isp_prt(struct ispsoftc *isp, int level, const char *fmt, ...) |
| 1517 | { |
| 1518 | va_list ap; |
| 1519 | if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { |
| 1520 | return; |
| 1521 | } |
| 1522 | printf("%s: " , device_xname(isp->isp_osinfo.dev)); |
| 1523 | va_start(ap, fmt); |
| 1524 | vprintf(fmt, ap); |
| 1525 | va_end(ap); |
| 1526 | printf("\n" ); |
| 1527 | } |
| 1528 | |
| 1529 | void |
| 1530 | isp_xs_prt(struct ispsoftc *isp, XS_T *xs, int level, const char *fmt, ...) |
| 1531 | { |
| 1532 | va_list ap; |
| 1533 | if (level != ISP_LOGALL && (level & isp->isp_dblev) == 0) { |
| 1534 | return; |
| 1535 | } |
| 1536 | scsipi_printaddr(xs->xs_periph); |
| 1537 | va_start(ap, fmt); |
| 1538 | vprintf(fmt, ap); |
| 1539 | va_end(ap); |
| 1540 | printf("\n" ); |
| 1541 | } |
| 1542 | |
| 1543 | void |
| 1544 | isp_lock(struct ispsoftc *isp) |
| 1545 | { |
| 1546 | int s = splbio(); |
| 1547 | if (isp->isp_osinfo.islocked++ == 0) { |
| 1548 | isp->isp_osinfo.splsaved = s; |
| 1549 | } else { |
| 1550 | splx(s); |
| 1551 | } |
| 1552 | } |
| 1553 | |
| 1554 | void |
| 1555 | isp_unlock(struct ispsoftc *isp) |
| 1556 | { |
| 1557 | if (isp->isp_osinfo.islocked-- <= 1) { |
| 1558 | isp->isp_osinfo.islocked = 0; |
| 1559 | splx(isp->isp_osinfo.splsaved); |
| 1560 | } |
| 1561 | } |
| 1562 | |
| 1563 | uint64_t |
| 1564 | isp_microtime_sub(struct timeval *b, struct timeval *a) |
| 1565 | { |
| 1566 | struct timeval x; |
| 1567 | uint64_t elapsed; |
| 1568 | timersub(b, a, &x); |
| 1569 | elapsed = GET_NANOSEC(&x); |
| 1570 | if (elapsed == 0) |
| 1571 | elapsed++; |
| 1572 | return (elapsed); |
| 1573 | } |
| 1574 | |
| 1575 | int |
| 1576 | isp_mbox_acquire(ispsoftc_t *isp) |
| 1577 | { |
| 1578 | if (isp->isp_osinfo.mboxbsy) { |
| 1579 | return (1); |
| 1580 | } else { |
| 1581 | isp->isp_osinfo.mboxcmd_done = 0; |
| 1582 | isp->isp_osinfo.mboxbsy = 1; |
| 1583 | return (0); |
| 1584 | } |
| 1585 | } |
| 1586 | |
| 1587 | void |
| 1588 | isp_mbox_wait_complete(struct ispsoftc *isp, mbreg_t *mbp) |
| 1589 | { |
| 1590 | unsigned int usecs = mbp->timeout; |
| 1591 | unsigned int maxc, olim, ilim; |
| 1592 | struct timeval start; |
| 1593 | |
| 1594 | if (usecs == 0) { |
| 1595 | usecs = MBCMD_DEFAULT_TIMEOUT; |
| 1596 | } |
| 1597 | maxc = isp->isp_mbxwrk0 + 1; |
| 1598 | |
| 1599 | microtime(&start); |
| 1600 | if (isp->isp_osinfo.mbox_sleep_ok) { |
| 1601 | int to; |
| 1602 | struct timeval tv, utv; |
| 1603 | |
| 1604 | tv.tv_sec = 0; |
| 1605 | tv.tv_usec = 0; |
| 1606 | for (olim = 0; olim < maxc; olim++) { |
| 1607 | utv.tv_sec = usecs / 1000000; |
| 1608 | utv.tv_usec = usecs % 1000000; |
| 1609 | timeradd(&tv, &utv, &tv); |
| 1610 | } |
| 1611 | to = tvtohz(&tv); |
| 1612 | if (to == 0) |
| 1613 | to = 1; |
| 1614 | timeradd(&tv, &start, &tv); |
| 1615 | |
| 1616 | isp->isp_osinfo.mbox_sleep_ok = 0; |
| 1617 | isp->isp_osinfo.mbox_sleeping = 1; |
| 1618 | tsleep(&isp->isp_mbxworkp, PRIBIO, "ispmbx_sleep" , to); |
| 1619 | isp->isp_osinfo.mbox_sleeping = 0; |
| 1620 | isp->isp_osinfo.mbox_sleep_ok = 1; |
| 1621 | } else { |
| 1622 | for (olim = 0; olim < maxc; olim++) { |
| 1623 | for (ilim = 0; ilim < usecs; ilim += 100) { |
| 1624 | uint32_t isr; |
| 1625 | uint16_t sema, mbox; |
| 1626 | if (isp->isp_osinfo.mboxcmd_done) { |
| 1627 | break; |
| 1628 | } |
| 1629 | if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) { |
| 1630 | isp_intr(isp, isr, sema, mbox); |
| 1631 | if (isp->isp_osinfo.mboxcmd_done) { |
| 1632 | break; |
| 1633 | } |
| 1634 | } |
| 1635 | ISP_DELAY(100); |
| 1636 | } |
| 1637 | if (isp->isp_osinfo.mboxcmd_done) { |
| 1638 | break; |
| 1639 | } |
| 1640 | } |
| 1641 | } |
| 1642 | if (isp->isp_osinfo.mboxcmd_done == 0) { |
| 1643 | struct timeval finish, elapsed; |
| 1644 | |
| 1645 | microtime(&finish); |
| 1646 | timersub(&finish, &start, &elapsed); |
| 1647 | isp_prt(isp, ISP_LOGWARN, |
| 1648 | "%s Mailbox Command (0x%x) Timeout (%uus actual)" , |
| 1649 | isp->isp_osinfo.mbox_sleep_ok? "Interrupting" : "Polled" , |
| 1650 | isp->isp_lastmbxcmd, (elapsed.tv_sec * 1000000) + |
| 1651 | elapsed.tv_usec); |
| 1652 | mbp->param[0] = MBOX_TIMEOUT; |
| 1653 | isp->isp_osinfo.mboxcmd_done = 1; |
| 1654 | } |
| 1655 | } |
| 1656 | |
| 1657 | void |
| 1658 | isp_mbox_notify_done(ispsoftc_t *isp) |
| 1659 | { |
| 1660 | if (isp->isp_osinfo.mbox_sleeping) { |
| 1661 | wakeup(&isp->isp_mbxworkp); |
| 1662 | } |
| 1663 | isp->isp_osinfo.mboxcmd_done = 1; |
| 1664 | } |
| 1665 | |
| 1666 | void |
| 1667 | isp_mbox_release(ispsoftc_t *isp) |
| 1668 | { |
| 1669 | isp->isp_osinfo.mboxbsy = 0; |
| 1670 | } |
| 1671 | |