1229997Sken/*- 2229997Sken * Copyright (c) 2008, 2009 Silicon Graphics International Corp. 3290776Smav * Copyright (c) 2014-2015 Alexander Motin <mav@FreeBSD.org> 4229997Sken * All rights reserved. 5229997Sken * 6229997Sken * Redistribution and use in source and binary forms, with or without 7229997Sken * modification, are permitted provided that the following conditions 8229997Sken * are met: 9229997Sken * 1. Redistributions of source code must retain the above copyright 10229997Sken * notice, this list of conditions, and the following disclaimer, 11229997Sken * without modification. 12229997Sken * 2. Redistributions in binary form must reproduce at minimum a disclaimer 13229997Sken * substantially similar to the "NO WARRANTY" disclaimer below 14229997Sken * ("Disclaimer") and any redistribution must be conditioned upon 15229997Sken * including a substantially similar Disclaimer requirement for further 16229997Sken * binary redistribution. 17229997Sken * 18229997Sken * NO WARRANTY 19229997Sken * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20229997Sken * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21229997Sken * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 22229997Sken * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23229997Sken * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24229997Sken * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25229997Sken * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26229997Sken * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 27229997Sken * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 28229997Sken * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29229997Sken * POSSIBILITY OF SUCH DAMAGES. 30229997Sken * 31229997Sken * $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/scsi_ctl.c#4 $ 32229997Sken */ 33229997Sken/* 34229997Sken * Peripheral driver interface between CAM and CTL (CAM Target Layer). 35229997Sken * 36229997Sken * Author: Ken Merry <ken@FreeBSD.org> 37229997Sken */ 38229997Sken 39229997Sken#include <sys/cdefs.h> 40229997Sken__FBSDID("$FreeBSD: stable/10/sys/cam/ctl/scsi_ctl.c 315939 2017-03-25 11:45:19Z mav $"); 41229997Sken 42229997Sken#include <sys/param.h> 43229997Sken#include <sys/queue.h> 44229997Sken#include <sys/systm.h> 45229997Sken#include <sys/kernel.h> 46229997Sken#include <sys/lock.h> 47229997Sken#include <sys/mutex.h> 48229997Sken#include <sys/condvar.h> 49229997Sken#include <sys/malloc.h> 50229997Sken#include <sys/bus.h> 51229997Sken#include <sys/endian.h> 52229997Sken#include <sys/sbuf.h> 53229997Sken#include <sys/sysctl.h> 54229997Sken#include <sys/types.h> 55229997Sken#include <sys/systm.h> 56314749Smav#include <sys/taskqueue.h> 57229997Sken#include <machine/bus.h> 58229997Sken 59229997Sken#include <cam/cam.h> 60229997Sken#include <cam/cam_ccb.h> 61229997Sken#include <cam/cam_periph.h> 62229997Sken#include <cam/cam_queue.h> 63229997Sken#include <cam/cam_xpt_periph.h> 64229997Sken#include <cam/cam_debug.h> 65229997Sken#include <cam/cam_sim.h> 66229997Sken#include <cam/cam_xpt.h> 67229997Sken 68229997Sken#include <cam/scsi/scsi_all.h> 69229997Sken#include <cam/scsi/scsi_message.h> 70229997Sken 71229997Sken#include <cam/ctl/ctl_io.h> 72229997Sken#include <cam/ctl/ctl.h> 73229997Sken#include <cam/ctl/ctl_frontend.h> 74229997Sken#include <cam/ctl/ctl_util.h> 75229997Sken#include <cam/ctl/ctl_error.h> 76229997Sken 77229997Skenstruct ctlfe_softc { 78290776Smav struct ctl_port port; 79290776Smav path_id_t path_id; 80290776Smav target_id_t target_id; 81290776Smav uint32_t hba_misc; 82290776Smav u_int maxio; 83229997Sken struct cam_sim *sim; 84290776Smav char port_name[DEV_IDLEN]; 85290776Smav struct mtx lun_softc_mtx; 86229997Sken STAILQ_HEAD(, ctlfe_lun_softc) lun_softc_list; 87229997Sken STAILQ_ENTRY(ctlfe_softc) links; 88229997Sken}; 89229997Sken 90229997SkenSTAILQ_HEAD(, ctlfe_softc) ctlfe_softc_list; 91229997Skenstruct mtx ctlfe_list_mtx; 92229997Skenstatic char ctlfe_mtx_desc[] = "ctlfelist"; 93229997Sken 94229997Skentypedef enum { 95229997Sken CTLFE_LUN_NONE = 0x00, 96229997Sken CTLFE_LUN_WILDCARD = 0x01 97229997Sken} ctlfe_lun_flags; 98229997Sken 99229997Skenstruct ctlfe_lun_softc { 100229997Sken struct ctlfe_softc *parent_softc; 101229997Sken struct cam_periph *periph; 102229997Sken ctlfe_lun_flags flags; 103314749Smav int ctios_sent; /* Number of active CTIOs */ 104314749Smav int refcount; /* Number of active xpt_action() */ 105314749Smav int atios_alloced; /* Number of ATIOs not freed */ 106314749Smav int inots_alloced; /* Number of INOTs not freed */ 107314749Smav struct task refdrain_task; 108315887Smav STAILQ_HEAD(, ccb_hdr) work_queue; 109315889Smav LIST_HEAD(, ccb_hdr) atio_list; /* List of ATIOs queued to SIM. */ 110315889Smav LIST_HEAD(, ccb_hdr) inot_list; /* List of INOTs queued to SIM. */ 111229997Sken STAILQ_ENTRY(ctlfe_lun_softc) links; 112229997Sken}; 113229997Sken 114229997Skentypedef enum { 115229997Sken CTLFE_CMD_NONE = 0x00, 116229997Sken CTLFE_CMD_PIECEWISE = 0x01 117229997Sken} ctlfe_cmd_flags; 118229997Sken 119288723Smavstruct ctlfe_cmd_info { 120229997Sken int cur_transfer_index; 121265641Smav size_t cur_transfer_off; 122229997Sken ctlfe_cmd_flags flags; 123229997Sken /* 124229997Sken * XXX KDM struct bus_dma_segment is 8 bytes on i386, and 16 125229997Sken * bytes on amd64. So with 32 elements, this is 256 bytes on 126229997Sken * i386 and 512 bytes on amd64. 127229997Sken */ 128265641Smav#define CTLFE_MAX_SEGS 32 129265641Smav bus_dma_segment_t cam_sglist[CTLFE_MAX_SEGS]; 130229997Sken}; 131229997Sken 132229997Sken/* 133229997Sken * When we register the adapter/bus, request that this many ctl_ios be 134229997Sken * allocated. This should be the maximum supported by the adapter, but we 135229997Sken * currently don't have a way to get that back from the path inquiry. 136229997Sken * XXX KDM add that to the path inquiry. 137229997Sken */ 138229997Sken#define CTLFE_REQ_CTL_IO 4096 139229997Sken/* 140229997Sken * Number of Accept Target I/O CCBs to allocate and queue down to the 141229997Sken * adapter per LUN. 142229997Sken * XXX KDM should this be controlled by CTL? 143229997Sken */ 144229997Sken#define CTLFE_ATIO_PER_LUN 1024 145229997Sken/* 146229997Sken * Number of Immediate Notify CCBs (used for aborts, resets, etc.) to 147229997Sken * allocate and queue down to the adapter per LUN. 148229997Sken * XXX KDM should this be controlled by CTL? 149229997Sken */ 150229997Sken#define CTLFE_IN_PER_LUN 1024 151229997Sken 152229997Sken/* 153314751Smav * Timeout (in seconds) on CTIO CCB doing DMA or sending status 154229997Sken */ 155314751Smav#define CTLFE_TIMEOUT 5 156229997Sken 157229997Sken/* 158229997Sken * Turn this on to enable extra debugging prints. 159229997Sken */ 160229997Sken#if 0 161229997Sken#define CTLFE_DEBUG 162229997Sken#endif 163229997Sken 164229997SkenMALLOC_DEFINE(M_CTLFE, "CAM CTL FE", "CAM CTL FE interface"); 165229997Sken 166275878Smav#define io_ptr ppriv_ptr0 167229997Sken 168229997Sken/* This is only used in the CTIO */ 169229997Sken#define ccb_atio ppriv_ptr1 170229997Sken 171312585Smav#define PRIV_CCB(io) ((io)->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptrs[0]) 172312585Smav#define PRIV_INFO(io) ((io)->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptrs[1]) 173312585Smav 174313369Smavstatic int ctlfeinitialize(void); 175313369Smavstatic int ctlfeshutdown(void); 176268677Smavstatic periph_init_t ctlfeperiphinit; 177229997Skenstatic void ctlfeasync(void *callback_arg, uint32_t code, 178229997Sken struct cam_path *path, void *arg); 179229997Skenstatic periph_ctor_t ctlferegister; 180229997Skenstatic periph_oninv_t ctlfeoninvalidate; 181229997Skenstatic periph_dtor_t ctlfecleanup; 182229997Skenstatic periph_start_t ctlfestart; 183229997Skenstatic void ctlfedone(struct cam_periph *periph, 184229997Sken union ccb *done_ccb); 185229997Sken 186229997Skenstatic void ctlfe_onoffline(void *arg, int online); 187229997Skenstatic void ctlfe_online(void *arg); 188229997Skenstatic void ctlfe_offline(void *arg); 189284798Smavstatic int ctlfe_lun_enable(void *arg, int lun_id); 190284798Smavstatic int ctlfe_lun_disable(void *arg, int lun_id); 191229997Skenstatic void ctlfe_dump_sim(struct cam_sim *sim); 192229997Skenstatic void ctlfe_dump_queue(struct ctlfe_lun_softc *softc); 193275880Smavstatic void ctlfe_datamove(union ctl_io *io); 194275880Smavstatic void ctlfe_done(union ctl_io *io); 195229997Skenstatic void ctlfe_dump(void); 196314739Smavstatic void ctlfe_free_ccb(struct cam_periph *periph, 197314739Smav union ccb *ccb); 198314739Smavstatic void ctlfe_requeue_ccb(struct cam_periph *periph, 199314739Smav union ccb *ccb, int unlock); 200229997Sken 201229997Skenstatic struct periph_driver ctlfe_driver = 202229997Sken{ 203268677Smav ctlfeperiphinit, "ctl", 204273316Smav TAILQ_HEAD_INITIALIZER(ctlfe_driver.units), /*generation*/ 0, 205273316Smav CAM_PERIPH_DRV_EARLY 206229997Sken}; 207229997Sken 208268677Smavstatic struct ctl_frontend ctlfe_frontend = 209268677Smav{ 210273318Smav .name = "camtgt", 211268677Smav .init = ctlfeinitialize, 212268677Smav .fe_dump = ctlfe_dump, 213268677Smav .shutdown = ctlfeshutdown, 214249009Strasz}; 215268677SmavCTL_FRONTEND_DECLARE(ctlfe, ctlfe_frontend); 216249009Strasz 217313369Smavstatic int 218229997Skenctlfeshutdown(void) 219229997Sken{ 220313369Smav 221313369Smav /* CAM does not support periph driver unregister now. */ 222313369Smav return (EBUSY); 223229997Sken} 224229997Sken 225313369Smavstatic int 226268677Smavctlfeinitialize(void) 227229997Sken{ 228229997Sken 229229997Sken STAILQ_INIT(&ctlfe_softc_list); 230229997Sken mtx_init(&ctlfe_list_mtx, ctlfe_mtx_desc, NULL, MTX_DEF); 231268677Smav periphdriver_register(&ctlfe_driver); 232268677Smav return (0); 233268677Smav} 234229997Sken 235313369Smavstatic void 236268677Smavctlfeperiphinit(void) 237268677Smav{ 238268677Smav cam_status status; 239229997Sken 240229997Sken status = xpt_register_async(AC_PATH_REGISTERED | AC_PATH_DEREGISTERED | 241229997Sken AC_CONTRACT, ctlfeasync, NULL, NULL); 242229997Sken if (status != CAM_REQ_CMP) { 243229997Sken printf("ctl: Failed to attach async callback due to CAM " 244229997Sken "status 0x%x!\n", status); 245229997Sken } 246229997Sken} 247229997Sken 248229997Skenstatic void 249229997Skenctlfeasync(void *callback_arg, uint32_t code, struct cam_path *path, void *arg) 250229997Sken{ 251273317Smav struct ctlfe_softc *softc; 252229997Sken 253229997Sken#ifdef CTLFEDEBUG 254229997Sken printf("%s: entered\n", __func__); 255229997Sken#endif 256229997Sken 257273317Smav mtx_lock(&ctlfe_list_mtx); 258273317Smav STAILQ_FOREACH(softc, &ctlfe_softc_list, links) { 259273317Smav if (softc->path_id == xpt_path_path_id(path)) 260273317Smav break; 261273317Smav } 262273317Smav mtx_unlock(&ctlfe_list_mtx); 263273317Smav 264229997Sken /* 265229997Sken * When a new path gets registered, and it is capable of target 266229997Sken * mode, go ahead and attach. Later on, we may need to be more 267229997Sken * selective, but for now this will be sufficient. 268229997Sken */ 269229997Sken switch (code) { 270229997Sken case AC_PATH_REGISTERED: { 271268677Smav struct ctl_port *port; 272229997Sken struct ccb_pathinq *cpi; 273229997Sken int retval; 274229997Sken 275229997Sken cpi = (struct ccb_pathinq *)arg; 276229997Sken 277229997Sken /* Don't attach if it doesn't support target mode */ 278229997Sken if ((cpi->target_sprt & PIT_PROCESSOR) == 0) { 279230033Sken#ifdef CTLFEDEBUG 280229997Sken printf("%s: SIM %s%d doesn't support target mode\n", 281229997Sken __func__, cpi->dev_name, cpi->unit_number); 282230033Sken#endif 283229997Sken break; 284229997Sken } 285229997Sken 286273317Smav if (softc != NULL) { 287273317Smav#ifdef CTLFEDEBUG 288273317Smav printf("%s: CTL port for CAM path %u already exists\n", 289273317Smav __func__, xpt_path_path_id(path)); 290273317Smav#endif 291273317Smav break; 292273317Smav } 293273317Smav 294229997Sken /* 295229997Sken * We're in an interrupt context here, so we have to 296229997Sken * use M_NOWAIT. Of course this means trouble if we 297229997Sken * can't allocate memory. 298229997Sken */ 299273317Smav softc = malloc(sizeof(*softc), M_CTLFE, M_NOWAIT | M_ZERO); 300273317Smav if (softc == NULL) { 301229997Sken printf("%s: unable to malloc %zd bytes for softc\n", 302273317Smav __func__, sizeof(*softc)); 303229997Sken return; 304229997Sken } 305229997Sken 306273317Smav softc->path_id = cpi->ccb_h.path_id; 307288713Smav softc->target_id = cpi->initiator_id; 308273317Smav softc->sim = xpt_path_sim(path); 309290776Smav softc->hba_misc = cpi->hba_misc; 310265641Smav if (cpi->maxio != 0) 311273317Smav softc->maxio = cpi->maxio; 312265641Smav else 313273317Smav softc->maxio = DFLTPHYS; 314273317Smav mtx_init(&softc->lun_softc_mtx, "LUN softc mtx", NULL, MTX_DEF); 315273317Smav STAILQ_INIT(&softc->lun_softc_list); 316229997Sken 317273317Smav port = &softc->port; 318268677Smav port->frontend = &ctlfe_frontend; 319229997Sken 320229997Sken /* 321229997Sken * XXX KDM should we be more accurate here ? 322229997Sken */ 323229997Sken if (cpi->transport == XPORT_FC) 324268677Smav port->port_type = CTL_PORT_FC; 325268694Smav else if (cpi->transport == XPORT_SAS) 326268694Smav port->port_type = CTL_PORT_SAS; 327229997Sken else 328268677Smav port->port_type = CTL_PORT_SCSI; 329229997Sken 330229997Sken /* XXX KDM what should the real number be here? */ 331314751Smav port->num_requested_ctl_io = CTLFE_REQ_CTL_IO; 332273317Smav snprintf(softc->port_name, sizeof(softc->port_name), 333229997Sken "%s%d", cpi->dev_name, cpi->unit_number); 334229997Sken /* 335229997Sken * XXX KDM it would be nice to allocate storage in the 336229997Sken * frontend structure itself. 337229997Sken */ 338273317Smav port->port_name = softc->port_name; 339273319Smav port->physical_port = cpi->bus_id; 340273319Smav port->virtual_port = 0; 341268677Smav port->port_online = ctlfe_online; 342268677Smav port->port_offline = ctlfe_offline; 343273317Smav port->onoff_arg = softc; 344268677Smav port->lun_enable = ctlfe_lun_enable; 345268677Smav port->lun_disable = ctlfe_lun_disable; 346273317Smav port->targ_lun_arg = softc; 347275880Smav port->fe_datamove = ctlfe_datamove; 348275880Smav port->fe_done = ctlfe_done; 349229997Sken /* 350229997Sken * XXX KDM the path inquiry doesn't give us the maximum 351229997Sken * number of targets supported. 352229997Sken */ 353268677Smav port->max_targets = cpi->max_target; 354268677Smav port->max_target_id = cpi->max_target; 355288732Smav port->targ_port = -1; 356314751Smav 357275493Smav retval = ctl_port_register(port); 358229997Sken if (retval != 0) { 359268677Smav printf("%s: ctl_port_register() failed with " 360229997Sken "error %d!\n", __func__, retval); 361273317Smav mtx_destroy(&softc->lun_softc_mtx); 362273317Smav free(softc, M_CTLFE); 363229997Sken break; 364229997Sken } else { 365229997Sken mtx_lock(&ctlfe_list_mtx); 366273317Smav STAILQ_INSERT_TAIL(&ctlfe_softc_list, softc, links); 367229997Sken mtx_unlock(&ctlfe_list_mtx); 368229997Sken } 369229997Sken 370245228Sken break; 371245228Sken } 372245228Sken case AC_PATH_DEREGISTERED: { 373245228Sken 374245228Sken if (softc != NULL) { 375245228Sken /* 376245228Sken * XXX KDM are we certain at this point that there 377245228Sken * are no outstanding commands for this frontend? 378245228Sken */ 379273317Smav mtx_lock(&ctlfe_list_mtx); 380273317Smav STAILQ_REMOVE(&ctlfe_softc_list, softc, ctlfe_softc, 381273317Smav links); 382273317Smav mtx_unlock(&ctlfe_list_mtx); 383268677Smav ctl_port_deregister(&softc->port); 384260387Sscottl mtx_destroy(&softc->lun_softc_mtx); 385245228Sken free(softc, M_CTLFE); 386229997Sken } 387229997Sken break; 388229997Sken } 389229997Sken case AC_CONTRACT: { 390229997Sken struct ac_contract *ac; 391229997Sken 392229997Sken ac = (struct ac_contract *)arg; 393229997Sken 394229997Sken switch (ac->contract_number) { 395229997Sken case AC_CONTRACT_DEV_CHG: { 396229997Sken struct ac_device_changed *dev_chg; 397273317Smav int retval; 398229997Sken 399229997Sken dev_chg = (struct ac_device_changed *)ac->contract_data; 400229997Sken 401236426Smjacob printf("%s: WWPN %#jx port 0x%06x path %u target %u %s\n", 402229997Sken __func__, dev_chg->wwpn, dev_chg->port, 403229997Sken xpt_path_path_id(path), dev_chg->target, 404229997Sken (dev_chg->arrived == 0) ? "left" : "arrived"); 405229997Sken 406273317Smav if (softc == NULL) { 407229997Sken printf("%s: CTL port for CAM path %u not " 408229997Sken "found!\n", __func__, 409229997Sken xpt_path_path_id(path)); 410229997Sken break; 411229997Sken } 412229997Sken if (dev_chg->arrived != 0) { 413268692Smav retval = ctl_add_initiator(&softc->port, 414268692Smav dev_chg->target, dev_chg->wwpn, NULL); 415229997Sken } else { 416268692Smav retval = ctl_remove_initiator(&softc->port, 417268692Smav dev_chg->target); 418229997Sken } 419229997Sken 420268692Smav if (retval < 0) { 421229997Sken printf("%s: could not %s port %d iid %u " 422229997Sken "WWPN %#jx!\n", __func__, 423229997Sken (dev_chg->arrived != 0) ? "add" : 424268677Smav "remove", softc->port.targ_port, 425229997Sken dev_chg->target, 426229997Sken (uintmax_t)dev_chg->wwpn); 427229997Sken } 428229997Sken break; 429229997Sken } 430229997Sken default: 431229997Sken printf("%s: unsupported contract number %ju\n", 432229997Sken __func__, (uintmax_t)ac->contract_number); 433229997Sken break; 434229997Sken } 435229997Sken break; 436229997Sken } 437229997Sken default: 438229997Sken break; 439229997Sken } 440229997Sken} 441229997Sken 442229997Skenstatic cam_status 443229997Skenctlferegister(struct cam_periph *periph, void *arg) 444229997Sken{ 445229997Sken struct ctlfe_softc *bus_softc; 446229997Sken struct ctlfe_lun_softc *softc; 447315889Smav union ccb ccb; 448229997Sken cam_status status; 449229997Sken int i; 450229997Sken 451229997Sken softc = (struct ctlfe_lun_softc *)arg; 452229997Sken bus_softc = softc->parent_softc; 453229997Sken 454315887Smav STAILQ_INIT(&softc->work_queue); 455315889Smav LIST_INIT(&softc->atio_list); 456315889Smav LIST_INIT(&softc->inot_list); 457229997Sken softc->periph = periph; 458229997Sken periph->softc = softc; 459229997Sken 460315939Smav /* Increase device openings to maximum for the SIM. */ 461315939Smav if (bus_softc->sim->max_tagged_dev_openings > 462315939Smav bus_softc->sim->max_dev_openings) { 463315939Smav cam_release_devq(periph->path, 464315939Smav /*relsim_flags*/RELSIM_ADJUST_OPENINGS, 465315939Smav /*openings*/bus_softc->sim->max_tagged_dev_openings, 466315939Smav /*timeout*/0, 467315939Smav /*getcount_only*/1); 468315939Smav } 469315939Smav 470315889Smav xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NONE); 471315889Smav ccb.ccb_h.func_code = XPT_EN_LUN; 472315889Smav ccb.cel.grp6_len = 0; 473315889Smav ccb.cel.grp7_len = 0; 474315889Smav ccb.cel.enable = 1; 475315889Smav xpt_action(&ccb); 476315889Smav status = (ccb.ccb_h.status & CAM_STATUS_MASK); 477229997Sken if (status != CAM_REQ_CMP) { 478229997Sken xpt_print(periph->path, "%s: Enable LUN failed, status 0x%x\n", 479315889Smav __func__, ccb.ccb_h.status); 480229997Sken return (status); 481229997Sken } 482229997Sken 483229997Sken status = CAM_REQ_CMP; 484229997Sken 485229997Sken for (i = 0; i < CTLFE_ATIO_PER_LUN; i++) { 486229997Sken union ccb *new_ccb; 487275878Smav union ctl_io *new_io; 488288723Smav struct ctlfe_cmd_info *cmd_info; 489229997Sken 490229997Sken new_ccb = (union ccb *)malloc(sizeof(*new_ccb), M_CTLFE, 491236426Smjacob M_ZERO|M_NOWAIT); 492229997Sken if (new_ccb == NULL) { 493229997Sken status = CAM_RESRC_UNAVAIL; 494229997Sken break; 495229997Sken } 496275878Smav new_io = ctl_alloc_io_nowait(bus_softc->port.ctl_pool_ref); 497275878Smav if (new_io == NULL) { 498275878Smav free(new_ccb, M_CTLFE); 499275878Smav status = CAM_RESRC_UNAVAIL; 500275878Smav break; 501275878Smav } 502288723Smav cmd_info = malloc(sizeof(*cmd_info), M_CTLFE, 503288723Smav M_ZERO | M_NOWAIT); 504288723Smav if (cmd_info == NULL) { 505288723Smav ctl_free_io(new_io); 506288723Smav free(new_ccb, M_CTLFE); 507288723Smav status = CAM_RESRC_UNAVAIL; 508288723Smav break; 509288723Smav } 510312585Smav PRIV_INFO(new_io) = cmd_info; 511284793Smav softc->atios_alloced++; 512275878Smav new_ccb->ccb_h.io_ptr = new_io; 513315889Smav LIST_INSERT_HEAD(&softc->atio_list, &new_ccb->ccb_h, periph_links.le); 514275878Smav 515229997Sken xpt_setup_ccb(&new_ccb->ccb_h, periph->path, /*priority*/ 1); 516229997Sken new_ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO; 517229997Sken new_ccb->ccb_h.cbfcnp = ctlfedone; 518260387Sscottl new_ccb->ccb_h.flags |= CAM_UNLOCKED; 519229997Sken xpt_action(new_ccb); 520229997Sken status = new_ccb->ccb_h.status; 521229997Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 522288723Smav free(cmd_info, M_CTLFE); 523275878Smav ctl_free_io(new_io); 524229997Sken free(new_ccb, M_CTLFE); 525229997Sken break; 526229997Sken } 527229997Sken } 528229997Sken 529229997Sken status = cam_periph_acquire(periph); 530229997Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 531229997Sken xpt_print(periph->path, "%s: could not acquire reference " 532229997Sken "count, status = %#x\n", __func__, status); 533229997Sken return (status); 534229997Sken } 535229997Sken 536229997Sken if (i == 0) { 537229997Sken xpt_print(periph->path, "%s: could not allocate ATIO CCBs, " 538229997Sken "status 0x%x\n", __func__, status); 539229997Sken return (CAM_REQ_CMP_ERR); 540229997Sken } 541229997Sken 542229997Sken for (i = 0; i < CTLFE_IN_PER_LUN; i++) { 543229997Sken union ccb *new_ccb; 544275878Smav union ctl_io *new_io; 545229997Sken 546229997Sken new_ccb = (union ccb *)malloc(sizeof(*new_ccb), M_CTLFE, 547236426Smjacob M_ZERO|M_NOWAIT); 548229997Sken if (new_ccb == NULL) { 549229997Sken status = CAM_RESRC_UNAVAIL; 550229997Sken break; 551229997Sken } 552275878Smav new_io = ctl_alloc_io_nowait(bus_softc->port.ctl_pool_ref); 553275878Smav if (new_io == NULL) { 554275878Smav free(new_ccb, M_CTLFE); 555275878Smav status = CAM_RESRC_UNAVAIL; 556275878Smav break; 557275878Smav } 558284793Smav softc->inots_alloced++; 559275878Smav new_ccb->ccb_h.io_ptr = new_io; 560315889Smav LIST_INSERT_HEAD(&softc->inot_list, &new_ccb->ccb_h, periph_links.le); 561229997Sken 562229997Sken xpt_setup_ccb(&new_ccb->ccb_h, periph->path, /*priority*/ 1); 563229997Sken new_ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 564229997Sken new_ccb->ccb_h.cbfcnp = ctlfedone; 565260387Sscottl new_ccb->ccb_h.flags |= CAM_UNLOCKED; 566229997Sken xpt_action(new_ccb); 567229997Sken status = new_ccb->ccb_h.status; 568237601Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 569237601Sken /* 570237601Sken * Note that we don't free the CCB here. If the 571237601Sken * status is not CAM_REQ_INPROG, then we're 572237601Sken * probably talking to a SIM that says it is 573237601Sken * target-capable but doesn't support the 574237601Sken * XPT_IMMEDIATE_NOTIFY CCB. i.e. it supports the 575237601Sken * older API. In that case, it'll call xpt_done() 576237601Sken * on the CCB, and we need to free it in our done 577237601Sken * routine as a result. 578237601Sken */ 579229997Sken break; 580229997Sken } 581229997Sken } 582237601Sken if ((i == 0) 583237601Sken || (status != CAM_REQ_INPROG)) { 584229997Sken xpt_print(periph->path, "%s: could not allocate immediate " 585229997Sken "notify CCBs, status 0x%x\n", __func__, status); 586229997Sken return (CAM_REQ_CMP_ERR); 587229997Sken } 588275882Smav mtx_lock(&bus_softc->lun_softc_mtx); 589275882Smav STAILQ_INSERT_TAIL(&bus_softc->lun_softc_list, softc, links); 590275882Smav mtx_unlock(&bus_softc->lun_softc_mtx); 591229997Sken return (CAM_REQ_CMP); 592229997Sken} 593229997Sken 594229997Skenstatic void 595229997Skenctlfeoninvalidate(struct cam_periph *periph) 596229997Sken{ 597315889Smav struct ctlfe_lun_softc *softc = (struct ctlfe_lun_softc *)periph->softc; 598315889Smav struct ctlfe_softc *bus_softc; 599315889Smav union ccb ccb; 600315889Smav struct ccb_hdr *hdr; 601229997Sken cam_status status; 602229997Sken 603315889Smav /* Abort all ATIOs and INOTs queued to SIM. */ 604315889Smav xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NONE); 605315889Smav ccb.ccb_h.func_code = XPT_ABORT; 606315889Smav LIST_FOREACH(hdr, &softc->atio_list, periph_links.le) { 607315889Smav ccb.cab.abort_ccb = (union ccb *)hdr; 608315889Smav xpt_action(&ccb); 609315889Smav } 610315889Smav LIST_FOREACH(hdr, &softc->inot_list, periph_links.le) { 611315889Smav ccb.cab.abort_ccb = (union ccb *)hdr; 612315889Smav xpt_action(&ccb); 613315889Smav } 614229997Sken 615315889Smav /* Disable the LUN in SIM. */ 616315889Smav ccb.ccb_h.func_code = XPT_EN_LUN; 617315889Smav ccb.cel.grp6_len = 0; 618315889Smav ccb.cel.grp7_len = 0; 619315889Smav ccb.cel.enable = 0; 620315889Smav xpt_action(&ccb); 621315889Smav status = (ccb.ccb_h.status & CAM_STATUS_MASK); 622229997Sken if (status != CAM_REQ_CMP) { 623229997Sken xpt_print(periph->path, "%s: Disable LUN failed, status 0x%x\n", 624315889Smav __func__, ccb.ccb_h.status); 625229997Sken /* 626229997Sken * XXX KDM what do we do now? 627229997Sken */ 628229997Sken } 629260387Sscottl 630260387Sscottl bus_softc = softc->parent_softc; 631260387Sscottl mtx_lock(&bus_softc->lun_softc_mtx); 632260387Sscottl STAILQ_REMOVE(&bus_softc->lun_softc_list, softc, ctlfe_lun_softc, links); 633260387Sscottl mtx_unlock(&bus_softc->lun_softc_mtx); 634229997Sken} 635229997Sken 636229997Skenstatic void 637229997Skenctlfecleanup(struct cam_periph *periph) 638229997Sken{ 639229997Sken struct ctlfe_lun_softc *softc; 640229997Sken 641229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 642229997Sken 643314749Smav KASSERT(softc->ctios_sent == 0, ("%s: ctios_sent %d != 0", 644314749Smav __func__, softc->ctios_sent)); 645314749Smav KASSERT(softc->refcount == 0, ("%s: refcount %d != 0", 646314749Smav __func__, softc->refcount)); 647314749Smav KASSERT(softc->atios_alloced == 0, ("%s: atios_alloced %d != 0", 648314749Smav __func__, softc->atios_alloced)); 649314749Smav KASSERT(softc->inots_alloced == 0, ("%s: inots_alloced %d != 0", 650314749Smav __func__, softc->inots_alloced)); 651245228Sken 652229997Sken free(softc, M_CTLFE); 653229997Sken} 654229997Sken 655229997Skenstatic void 656265641Smavctlfedata(struct ctlfe_lun_softc *softc, union ctl_io *io, 657265641Smav ccb_flags *flags, uint8_t **data_ptr, uint32_t *dxfer_len, 658265641Smav u_int16_t *sglist_cnt) 659265641Smav{ 660265641Smav struct ctlfe_softc *bus_softc; 661288723Smav struct ctlfe_cmd_info *cmd_info; 662265641Smav struct ctl_sg_entry *ctl_sglist; 663265641Smav bus_dma_segment_t *cam_sglist; 664265641Smav size_t off; 665265641Smav int i, idx; 666265641Smav 667312585Smav cmd_info = PRIV_INFO(io); 668265641Smav bus_softc = softc->parent_softc; 669265641Smav 670265641Smav /* 671265641Smav * Set the direction, relative to the initiator. 672265641Smav */ 673265641Smav *flags &= ~CAM_DIR_MASK; 674265641Smav if ((io->io_hdr.flags & CTL_FLAG_DATA_MASK) == CTL_FLAG_DATA_IN) 675265641Smav *flags |= CAM_DIR_IN; 676265641Smav else 677265641Smav *flags |= CAM_DIR_OUT; 678265641Smav 679265641Smav *flags &= ~CAM_DATA_MASK; 680265641Smav idx = cmd_info->cur_transfer_index; 681265641Smav off = cmd_info->cur_transfer_off; 682265641Smav cmd_info->flags &= ~CTLFE_CMD_PIECEWISE; 683313365Smav if (io->scsiio.kern_sg_entries == 0) { /* No S/G list. */ 684313365Smav 685313365Smav /* One time shift for SRR offset. */ 686313365Smav off += io->scsiio.ext_data_filled; 687313365Smav io->scsiio.ext_data_filled = 0; 688313365Smav 689265641Smav *data_ptr = io->scsiio.kern_data_ptr + off; 690265641Smav if (io->scsiio.kern_data_len - off <= bus_softc->maxio) { 691265641Smav *dxfer_len = io->scsiio.kern_data_len - off; 692265641Smav } else { 693265641Smav *dxfer_len = bus_softc->maxio; 694313365Smav cmd_info->cur_transfer_off += bus_softc->maxio; 695265641Smav cmd_info->flags |= CTLFE_CMD_PIECEWISE; 696265641Smav } 697265641Smav *sglist_cnt = 0; 698265641Smav 699265641Smav if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) 700265641Smav *flags |= CAM_DATA_PADDR; 701265641Smav else 702265641Smav *flags |= CAM_DATA_VADDR; 703313365Smav } else { /* S/G list with physical or virtual pointers. */ 704265641Smav ctl_sglist = (struct ctl_sg_entry *)io->scsiio.kern_data_ptr; 705313365Smav 706313365Smav /* One time shift for SRR offset. */ 707313365Smav while (io->scsiio.ext_data_filled >= ctl_sglist[idx].len - off) { 708313365Smav io->scsiio.ext_data_filled -= ctl_sglist[idx].len - off; 709313365Smav idx++; 710313365Smav off = 0; 711313365Smav } 712313365Smav off += io->scsiio.ext_data_filled; 713313365Smav io->scsiio.ext_data_filled = 0; 714313365Smav 715265641Smav cam_sglist = cmd_info->cam_sglist; 716265641Smav *dxfer_len = 0; 717265641Smav for (i = 0; i < io->scsiio.kern_sg_entries - idx; i++) { 718265641Smav cam_sglist[i].ds_addr = (bus_addr_t)ctl_sglist[i + idx].addr + off; 719265641Smav if (ctl_sglist[i + idx].len - off <= bus_softc->maxio - *dxfer_len) { 720265641Smav cam_sglist[i].ds_len = ctl_sglist[idx + i].len - off; 721265641Smav *dxfer_len += cam_sglist[i].ds_len; 722265641Smav } else { 723265641Smav cam_sglist[i].ds_len = bus_softc->maxio - *dxfer_len; 724265641Smav cmd_info->cur_transfer_index = idx + i; 725265641Smav cmd_info->cur_transfer_off = cam_sglist[i].ds_len + off; 726265641Smav cmd_info->flags |= CTLFE_CMD_PIECEWISE; 727265641Smav *dxfer_len += cam_sglist[i].ds_len; 728265641Smav if (ctl_sglist[i].len != 0) 729265641Smav i++; 730265641Smav break; 731265641Smav } 732265641Smav if (i == (CTLFE_MAX_SEGS - 1) && 733265641Smav idx + i < (io->scsiio.kern_sg_entries - 1)) { 734265641Smav cmd_info->cur_transfer_index = idx + i + 1; 735265641Smav cmd_info->cur_transfer_off = 0; 736265641Smav cmd_info->flags |= CTLFE_CMD_PIECEWISE; 737265641Smav i++; 738265641Smav break; 739265641Smav } 740265641Smav off = 0; 741265641Smav } 742265641Smav *sglist_cnt = i; 743265641Smav if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) 744265641Smav *flags |= CAM_DATA_SG_PADDR; 745265641Smav else 746265641Smav *flags |= CAM_DATA_SG; 747265641Smav *data_ptr = (uint8_t *)cam_sglist; 748265641Smav } 749265641Smav} 750265641Smav 751265641Smavstatic void 752229997Skenctlfestart(struct cam_periph *periph, union ccb *start_ccb) 753229997Sken{ 754229997Sken struct ctlfe_lun_softc *softc; 755288723Smav struct ctlfe_cmd_info *cmd_info; 756229997Sken struct ccb_hdr *ccb_h; 757275880Smav struct ccb_accept_tio *atio; 758275880Smav struct ccb_scsiio *csio; 759275880Smav uint8_t *data_ptr; 760275880Smav uint32_t dxfer_len; 761275880Smav ccb_flags flags; 762275880Smav union ctl_io *io; 763275880Smav uint8_t scsi_status; 764229997Sken 765229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 766229997Sken 767314739Smavnext: 768315887Smav /* Take the ATIO off the work queue */ 769315887Smav ccb_h = STAILQ_FIRST(&softc->work_queue); 770260387Sscottl if (ccb_h == NULL) { 771229997Sken xpt_release_ccb(start_ccb); 772275880Smav return; 773275880Smav } 774315887Smav STAILQ_REMOVE_HEAD(&softc->work_queue, periph_links.stqe); 775275880Smav atio = (struct ccb_accept_tio *)ccb_h; 776275880Smav io = (union ctl_io *)ccb_h->io_ptr; 777275880Smav csio = &start_ccb->csio; 778229997Sken 779275880Smav flags = atio->ccb_h.flags & 780275880Smav (CAM_DIS_DISCONNECT|CAM_TAG_ACTION_VALID|CAM_DIR_MASK); 781312585Smav cmd_info = PRIV_INFO(io); 782275881Smav cmd_info->cur_transfer_index = 0; 783275881Smav cmd_info->cur_transfer_off = 0; 784275881Smav cmd_info->flags = 0; 785229997Sken 786275880Smav if (io->io_hdr.flags & CTL_FLAG_DMA_QUEUED) { 787275880Smav /* 788275880Smav * Datamove call, we need to setup the S/G list. 789275880Smav */ 790275880Smav ctlfedata(softc, io, &flags, &data_ptr, &dxfer_len, 791275880Smav &csio->sglist_cnt); 792275880Smav } else { 793275880Smav /* 794275880Smav * We're done, send status back. 795275880Smav */ 796275880Smav if ((io->io_hdr.flags & CTL_FLAG_ABORT) && 797275880Smav (io->io_hdr.flags & CTL_FLAG_ABORT_STATUS) == 0) { 798275880Smav io->io_hdr.flags &= ~CTL_FLAG_STATUS_QUEUED; 799275880Smav 800314737Smav /* Tell the SIM that we've aborted this ATIO */ 801314737Smav#ifdef CTLFEDEBUG 802314737Smav printf("%s: tag %04x abort\n", __func__, atio->tag_id); 803314737Smav#endif 804314737Smav KASSERT(atio->ccb_h.func_code == XPT_ACCEPT_TARGET_IO, 805314737Smav ("func_code %#x is not ATIO", atio->ccb_h.func_code)); 806275880Smav start_ccb->ccb_h.func_code = XPT_ABORT; 807275880Smav start_ccb->cab.abort_ccb = (union ccb *)atio; 808275880Smav xpt_action(start_ccb); 809229997Sken 810314739Smav ctlfe_requeue_ccb(periph, (union ccb *)atio, 811314739Smav /* unlock */0); 812229997Sken 813314739Smav /* XPT_ABORT is not queued, so we can take next I/O. */ 814314739Smav goto next; 815275880Smav } 816275881Smav data_ptr = NULL; 817275881Smav dxfer_len = 0; 818275881Smav csio->sglist_cnt = 0; 819275881Smav } 820313365Smav scsi_status = 0; 821275881Smav if ((io->io_hdr.flags & CTL_FLAG_STATUS_QUEUED) && 822275881Smav (cmd_info->flags & CTLFE_CMD_PIECEWISE) == 0 && 823275881Smav ((io->io_hdr.flags & CTL_FLAG_DMA_QUEUED) == 0 || 824275881Smav io->io_hdr.status == CTL_SUCCESS)) { 825275880Smav flags |= CAM_SEND_STATUS; 826275880Smav scsi_status = io->scsiio.scsi_status; 827275880Smav csio->sense_len = io->scsiio.sense_len; 828275880Smav#ifdef CTLFEDEBUG 829275880Smav printf("%s: tag %04x status %x\n", __func__, 830275880Smav atio->tag_id, io->io_hdr.status); 831275880Smav#endif 832275880Smav if (csio->sense_len != 0) { 833275880Smav csio->sense_data = io->scsiio.sense_data; 834275880Smav flags |= CAM_SEND_SENSE; 835229997Sken } 836275880Smav } 837229997Sken 838229997Sken#ifdef CTLFEDEBUG 839275880Smav printf("%s: %s: tag %04x flags %x ptr %p len %u\n", __func__, 840275880Smav (flags & CAM_SEND_STATUS) ? "done" : "datamove", 841275880Smav atio->tag_id, flags, data_ptr, dxfer_len); 842229997Sken#endif 843229997Sken 844275880Smav /* 845275880Smav * Valid combinations: 846275880Smav * - CAM_SEND_STATUS, CAM_DATA_SG = 0, dxfer_len = 0, 847275880Smav * sglist_cnt = 0 848275880Smav * - CAM_SEND_STATUS = 0, CAM_DATA_SG = 0, dxfer_len != 0, 849275880Smav * sglist_cnt = 0 850275880Smav * - CAM_SEND_STATUS = 0, CAM_DATA_SG, dxfer_len != 0, 851275880Smav * sglist_cnt != 0 852275880Smav */ 853229997Sken#ifdef CTLFEDEBUG 854275880Smav if (((flags & CAM_SEND_STATUS) 855275880Smav && (((flags & CAM_DATA_SG) != 0) 856275880Smav || (dxfer_len != 0) 857275880Smav || (csio->sglist_cnt != 0))) 858275880Smav || (((flags & CAM_SEND_STATUS) == 0) 859275880Smav && (dxfer_len == 0)) 860275880Smav || ((flags & CAM_DATA_SG) 861275880Smav && (csio->sglist_cnt == 0)) 862275880Smav || (((flags & CAM_DATA_SG) == 0) 863275880Smav && (csio->sglist_cnt != 0))) { 864275880Smav printf("%s: tag %04x cdb %02x flags %#x dxfer_len " 865275880Smav "%d sg %u\n", __func__, atio->tag_id, 866312845Smav atio_cdb_ptr(atio)[0], flags, dxfer_len, 867275880Smav csio->sglist_cnt); 868275880Smav printf("%s: tag %04x io status %#x\n", __func__, 869275880Smav atio->tag_id, io->io_hdr.status); 870275880Smav } 871229997Sken#endif 872275880Smav cam_fill_ctio(csio, 873275880Smav /*retries*/ 2, 874275880Smav ctlfedone, 875275880Smav flags, 876275880Smav (flags & CAM_TAG_ACTION_VALID) ? MSG_SIMPLE_Q_TAG : 0, 877275880Smav atio->tag_id, 878275880Smav atio->init_id, 879275880Smav scsi_status, 880275880Smav /*data_ptr*/ data_ptr, 881275880Smav /*dxfer_len*/ dxfer_len, 882314751Smav /*timeout*/ CTLFE_TIMEOUT * 1000); 883275880Smav start_ccb->ccb_h.flags |= CAM_UNLOCKED; 884275880Smav start_ccb->ccb_h.ccb_atio = atio; 885275880Smav if (io->io_hdr.flags & CTL_FLAG_DMA_QUEUED) 886275880Smav io->io_hdr.flags |= CTL_FLAG_DMA_INPROG; 887275880Smav io->io_hdr.flags &= ~(CTL_FLAG_DMA_QUEUED | CTL_FLAG_STATUS_QUEUED); 888229997Sken 889275880Smav softc->ctios_sent++; 890314749Smav softc->refcount++; 891275880Smav cam_periph_unlock(periph); 892275880Smav xpt_action(start_ccb); 893275880Smav cam_periph_lock(periph); 894314749Smav softc->refcount--; 895229997Sken 896229997Sken /* 897275880Smav * If we still have work to do, ask for another CCB. 898229997Sken */ 899315887Smav if (!STAILQ_EMPTY(&softc->work_queue)) 900314749Smav xpt_schedule(periph, CAM_PRIORITY_NORMAL); 901229997Sken} 902229997Sken 903229997Skenstatic void 904314749Smavctlfe_drain(void *context, int pending) 905314749Smav{ 906314749Smav struct cam_periph *periph = context; 907314749Smav struct ctlfe_lun_softc *softc = periph->softc; 908314749Smav 909314749Smav cam_periph_lock(periph); 910314749Smav while (softc->refcount != 0) { 911314749Smav cam_periph_sleep(periph, &softc->refcount, PRIBIO, 912314749Smav "ctlfe_drain", 1); 913314749Smav } 914314749Smav cam_periph_unlock(periph); 915314749Smav cam_periph_release(periph); 916314749Smav} 917314749Smav 918314749Smavstatic void 919229997Skenctlfe_free_ccb(struct cam_periph *periph, union ccb *ccb) 920229997Sken{ 921229997Sken struct ctlfe_lun_softc *softc; 922288723Smav union ctl_io *io; 923288723Smav struct ctlfe_cmd_info *cmd_info; 924229997Sken 925229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 926288723Smav io = ccb->ccb_h.io_ptr; 927229997Sken 928229997Sken switch (ccb->ccb_h.func_code) { 929229997Sken case XPT_ACCEPT_TARGET_IO: 930314749Smav softc->atios_alloced--; 931312585Smav cmd_info = PRIV_INFO(io); 932288723Smav free(cmd_info, M_CTLFE); 933229997Sken break; 934229997Sken case XPT_IMMEDIATE_NOTIFY: 935229997Sken case XPT_NOTIFY_ACKNOWLEDGE: 936314749Smav softc->inots_alloced--; 937229997Sken break; 938229997Sken default: 939229997Sken break; 940229997Sken } 941229997Sken 942288723Smav ctl_free_io(io); 943229997Sken free(ccb, M_CTLFE); 944229997Sken 945314749Smav KASSERT(softc->atios_alloced >= 0, ("%s: atios_alloced %d < 0", 946314749Smav __func__, softc->atios_alloced)); 947314749Smav KASSERT(softc->inots_alloced >= 0, ("%s: inots_alloced %d < 0", 948314749Smav __func__, softc->inots_alloced)); 949229997Sken 950229997Sken /* 951229997Sken * If we have received all of our CCBs, we can release our 952229997Sken * reference on the peripheral driver. It will probably go away 953229997Sken * now. 954229997Sken */ 955314749Smav if (softc->atios_alloced == 0 && softc->inots_alloced == 0) { 956314749Smav if (softc->refcount == 0) { 957314749Smav cam_periph_release_locked(periph); 958314749Smav } else { 959314749Smav TASK_INIT(&softc->refdrain_task, 0, ctlfe_drain, periph); 960314749Smav taskqueue_enqueue(taskqueue_thread, 961314749Smav &softc->refdrain_task); 962314749Smav } 963229997Sken } 964229997Sken} 965229997Sken 966314739Smav/* 967314739Smav * Send the ATIO/INOT back to the SIM, or free it if periph was invalidated. 968314739Smav */ 969314739Smavstatic void 970314739Smavctlfe_requeue_ccb(struct cam_periph *periph, union ccb *ccb, int unlock) 971314739Smav{ 972314739Smav struct ctlfe_lun_softc *softc; 973314740Smav struct mtx *mtx; 974314739Smav 975314739Smav if (periph->flags & CAM_PERIPH_INVALID) { 976314740Smav mtx = cam_periph_mtx(periph); 977314739Smav ctlfe_free_ccb(periph, ccb); 978314739Smav if (unlock) 979314740Smav mtx_unlock(mtx); 980314739Smav return; 981314739Smav } 982315889Smav softc = (struct ctlfe_lun_softc *)periph->softc; 983315889Smav if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) 984315889Smav LIST_INSERT_HEAD(&softc->atio_list, &ccb->ccb_h, periph_links.le); 985315889Smav else 986315889Smav LIST_INSERT_HEAD(&softc->inot_list, &ccb->ccb_h, periph_links.le); 987314739Smav if (unlock) 988314739Smav cam_periph_unlock(periph); 989314739Smav 990314739Smav /* 991314739Smav * For a wildcard attachment, commands can come in with a specific 992314739Smav * target/lun. Reset the target and LUN fields back to the wildcard 993314739Smav * values before we send them back down to the SIM. 994314739Smav */ 995314739Smav if (softc->flags & CTLFE_LUN_WILDCARD) { 996314739Smav ccb->ccb_h.target_id = CAM_TARGET_WILDCARD; 997314739Smav ccb->ccb_h.target_lun = CAM_LUN_WILDCARD; 998314739Smav } 999314739Smav 1000314739Smav xpt_action(ccb); 1001314739Smav} 1002314739Smav 1003238870Smjacobstatic int 1004238870Smjacobctlfe_adjust_cdb(struct ccb_accept_tio *atio, uint32_t offset) 1005238870Smjacob{ 1006238870Smjacob uint64_t lba; 1007238870Smjacob uint32_t num_blocks, nbc; 1008312845Smav uint8_t *cmdbyt = atio_cdb_ptr(atio); 1009238870Smjacob 1010238870Smjacob nbc = offset >> 9; /* ASSUMING 512 BYTE BLOCKS */ 1011238870Smjacob 1012238870Smjacob switch (cmdbyt[0]) { 1013238870Smjacob case READ_6: 1014238870Smjacob case WRITE_6: 1015238870Smjacob { 1016238870Smjacob struct scsi_rw_6 *cdb = (struct scsi_rw_6 *)cmdbyt; 1017238870Smjacob lba = scsi_3btoul(cdb->addr); 1018238870Smjacob lba &= 0x1fffff; 1019238870Smjacob num_blocks = cdb->length; 1020238870Smjacob if (num_blocks == 0) 1021238870Smjacob num_blocks = 256; 1022238870Smjacob lba += nbc; 1023238870Smjacob num_blocks -= nbc; 1024238870Smjacob scsi_ulto3b(lba, cdb->addr); 1025238870Smjacob cdb->length = num_blocks; 1026238870Smjacob break; 1027238870Smjacob } 1028238870Smjacob case READ_10: 1029238870Smjacob case WRITE_10: 1030238870Smjacob { 1031238870Smjacob struct scsi_rw_10 *cdb = (struct scsi_rw_10 *)cmdbyt; 1032238870Smjacob lba = scsi_4btoul(cdb->addr); 1033238870Smjacob num_blocks = scsi_2btoul(cdb->length); 1034238870Smjacob lba += nbc; 1035238870Smjacob num_blocks -= nbc; 1036238870Smjacob scsi_ulto4b(lba, cdb->addr); 1037238870Smjacob scsi_ulto2b(num_blocks, cdb->length); 1038238870Smjacob break; 1039238870Smjacob } 1040238870Smjacob case READ_12: 1041238870Smjacob case WRITE_12: 1042238870Smjacob { 1043238870Smjacob struct scsi_rw_12 *cdb = (struct scsi_rw_12 *)cmdbyt; 1044238870Smjacob lba = scsi_4btoul(cdb->addr); 1045238870Smjacob num_blocks = scsi_4btoul(cdb->length); 1046238870Smjacob lba += nbc; 1047238870Smjacob num_blocks -= nbc; 1048238870Smjacob scsi_ulto4b(lba, cdb->addr); 1049238870Smjacob scsi_ulto4b(num_blocks, cdb->length); 1050238870Smjacob break; 1051238870Smjacob } 1052238870Smjacob case READ_16: 1053238870Smjacob case WRITE_16: 1054238870Smjacob { 1055238870Smjacob struct scsi_rw_16 *cdb = (struct scsi_rw_16 *)cmdbyt; 1056238870Smjacob lba = scsi_8btou64(cdb->addr); 1057238870Smjacob num_blocks = scsi_4btoul(cdb->length); 1058238870Smjacob lba += nbc; 1059238870Smjacob num_blocks -= nbc; 1060238870Smjacob scsi_u64to8b(lba, cdb->addr); 1061238870Smjacob scsi_ulto4b(num_blocks, cdb->length); 1062238870Smjacob break; 1063238870Smjacob } 1064238870Smjacob default: 1065238870Smjacob return -1; 1066238870Smjacob } 1067238870Smjacob return (0); 1068238870Smjacob} 1069238870Smjacob 1070229997Skenstatic void 1071229997Skenctlfedone(struct cam_periph *periph, union ccb *done_ccb) 1072229997Sken{ 1073229997Sken struct ctlfe_lun_softc *softc; 1074229997Sken struct ctlfe_softc *bus_softc; 1075288723Smav struct ctlfe_cmd_info *cmd_info; 1076238870Smjacob struct ccb_accept_tio *atio = NULL; 1077238870Smjacob union ctl_io *io = NULL; 1078260387Sscottl struct mtx *mtx; 1079314727Smav cam_status status; 1080229997Sken 1081260387Sscottl KASSERT((done_ccb->ccb_h.flags & CAM_UNLOCKED) != 0, 1082260387Sscottl ("CCB in ctlfedone() without CAM_UNLOCKED flag")); 1083229997Sken#ifdef CTLFE_DEBUG 1084275878Smav printf("%s: entered, func_code = %#x\n", __func__, 1085275878Smav done_ccb->ccb_h.func_code); 1086229997Sken#endif 1087229997Sken 1088284794Smav /* 1089284794Smav * At this point CTL has no known use case for device queue freezes. 1090284794Smav * In case some SIM think different -- drop its freeze right here. 1091284794Smav */ 1092284794Smav if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1093284794Smav cam_release_devq(periph->path, 1094284794Smav /*relsim_flags*/0, 1095284794Smav /*reduction*/0, 1096284794Smav /*timeout*/0, 1097284794Smav /*getcount_only*/0); 1098284794Smav done_ccb->ccb_h.status &= ~CAM_DEV_QFRZN; 1099284794Smav } 1100284794Smav 1101229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 1102229997Sken bus_softc = softc->parent_softc; 1103260387Sscottl mtx = cam_periph_mtx(periph); 1104260387Sscottl mtx_lock(mtx); 1105229997Sken 1106229997Sken switch (done_ccb->ccb_h.func_code) { 1107229997Sken case XPT_ACCEPT_TARGET_IO: { 1108229997Sken 1109315889Smav LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1110229997Sken atio = &done_ccb->atio; 1111314727Smav status = atio->ccb_h.status & CAM_STATUS_MASK; 1112314727Smav if (status != CAM_CDB_RECVD) { 1113314727Smav ctlfe_free_ccb(periph, done_ccb); 1114314727Smav goto out; 1115314727Smav } 1116229997Sken 1117238870Smjacob resubmit: 1118229997Sken /* 1119229997Sken * Allocate a ctl_io, pass it to CTL, and wait for the 1120229997Sken * datamove or done. 1121229997Sken */ 1122260387Sscottl mtx_unlock(mtx); 1123275878Smav io = done_ccb->ccb_h.io_ptr; 1124312585Smav cmd_info = PRIV_INFO(io); 1125229997Sken ctl_zero_io(io); 1126229997Sken 1127229997Sken /* Save pointers on both sides */ 1128312585Smav PRIV_CCB(io) = done_ccb; 1129312585Smav PRIV_INFO(io) = cmd_info; 1130229997Sken done_ccb->ccb_h.io_ptr = io; 1131229997Sken 1132229997Sken /* 1133229997Sken * Only SCSI I/O comes down this path, resets, etc. come 1134229997Sken * down the immediate notify path below. 1135229997Sken */ 1136229997Sken io->io_hdr.io_type = CTL_IO_SCSI; 1137288731Smav io->io_hdr.nexus.initid = atio->init_id; 1138268677Smav io->io_hdr.nexus.targ_port = bus_softc->port.targ_port; 1139290776Smav if (bus_softc->hba_misc & PIM_EXTLUNS) { 1140290776Smav io->io_hdr.nexus.targ_lun = ctl_decode_lun( 1141290776Smav CAM_EXTLUN_BYTE_SWIZZLE(atio->ccb_h.target_lun)); 1142290776Smav } else { 1143290776Smav io->io_hdr.nexus.targ_lun = atio->ccb_h.target_lun; 1144290776Smav } 1145229997Sken io->scsiio.tag_num = atio->tag_id; 1146229997Sken switch (atio->tag_action) { 1147229997Sken case CAM_TAG_ACTION_NONE: 1148229997Sken io->scsiio.tag_type = CTL_TAG_UNTAGGED; 1149229997Sken break; 1150229997Sken case MSG_SIMPLE_TASK: 1151229997Sken io->scsiio.tag_type = CTL_TAG_SIMPLE; 1152229997Sken break; 1153229997Sken case MSG_HEAD_OF_QUEUE_TASK: 1154229997Sken io->scsiio.tag_type = CTL_TAG_HEAD_OF_QUEUE; 1155229997Sken break; 1156229997Sken case MSG_ORDERED_TASK: 1157229997Sken io->scsiio.tag_type = CTL_TAG_ORDERED; 1158229997Sken break; 1159229997Sken case MSG_ACA_TASK: 1160229997Sken io->scsiio.tag_type = CTL_TAG_ACA; 1161229997Sken break; 1162229997Sken default: 1163229997Sken io->scsiio.tag_type = CTL_TAG_UNTAGGED; 1164229997Sken printf("%s: unhandled tag type %#x!!\n", __func__, 1165229997Sken atio->tag_action); 1166229997Sken break; 1167229997Sken } 1168229997Sken if (atio->cdb_len > sizeof(io->scsiio.cdb)) { 1169229997Sken printf("%s: WARNING: CDB len %d > ctl_io space %zd\n", 1170229997Sken __func__, atio->cdb_len, sizeof(io->scsiio.cdb)); 1171229997Sken } 1172229997Sken io->scsiio.cdb_len = min(atio->cdb_len, sizeof(io->scsiio.cdb)); 1173312845Smav bcopy(atio_cdb_ptr(atio), io->scsiio.cdb, io->scsiio.cdb_len); 1174229997Sken 1175229997Sken#ifdef CTLFEDEBUG 1176288731Smav printf("%s: %u:%u:%u: tag %04x CDB %02x\n", __func__, 1177288731Smav io->io_hdr.nexus.initid, 1178229997Sken io->io_hdr.nexus.targ_port, 1179229997Sken io->io_hdr.nexus.targ_lun, 1180229997Sken io->scsiio.tag_num, io->scsiio.cdb[0]); 1181229997Sken#endif 1182229997Sken 1183229997Sken ctl_queue(io); 1184260387Sscottl return; 1185229997Sken } 1186229997Sken case XPT_CONT_TARGET_IO: { 1187238870Smjacob int srr = 0; 1188238870Smjacob uint32_t srr_off = 0; 1189229997Sken 1190229997Sken atio = (struct ccb_accept_tio *)done_ccb->ccb_h.ccb_atio; 1191229997Sken io = (union ctl_io *)atio->ccb_h.io_ptr; 1192229997Sken 1193314749Smav softc->ctios_sent--; 1194229997Sken#ifdef CTLFEDEBUG 1195229997Sken printf("%s: got XPT_CONT_TARGET_IO tag %#x flags %#x\n", 1196229997Sken __func__, atio->tag_id, done_ccb->ccb_h.flags); 1197229997Sken#endif 1198229997Sken /* 1199238870Smjacob * Handle SRR case were the data pointer is pushed back hack 1200238870Smjacob */ 1201238870Smjacob if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_MESSAGE_RECV 1202238870Smjacob && done_ccb->csio.msg_ptr != NULL 1203238870Smjacob && done_ccb->csio.msg_ptr[0] == MSG_EXTENDED 1204238870Smjacob && done_ccb->csio.msg_ptr[1] == 5 1205238870Smjacob && done_ccb->csio.msg_ptr[2] == 0) { 1206238870Smjacob srr = 1; 1207238870Smjacob srr_off = 1208238870Smjacob (done_ccb->csio.msg_ptr[3] << 24) 1209238870Smjacob | (done_ccb->csio.msg_ptr[4] << 16) 1210238870Smjacob | (done_ccb->csio.msg_ptr[5] << 8) 1211238870Smjacob | (done_ccb->csio.msg_ptr[6]); 1212238870Smjacob } 1213238870Smjacob 1214313365Smav /* 1215313365Smav * If we have an SRR and we're still sending data, we 1216313365Smav * should be able to adjust offsets and cycle again. 1217313365Smav * It is possible only if offset is from this datamove. 1218313365Smav */ 1219313365Smav if (srr && (io->io_hdr.flags & CTL_FLAG_DMA_INPROG) && 1220313365Smav srr_off >= io->scsiio.kern_rel_offset && 1221313365Smav srr_off < io->scsiio.kern_rel_offset + 1222313365Smav io->scsiio.kern_data_len) { 1223313365Smav io->scsiio.kern_data_resid = 1224313365Smav io->scsiio.kern_rel_offset + 1225313365Smav io->scsiio.kern_data_len - srr_off; 1226313365Smav io->scsiio.ext_data_filled = srr_off; 1227313365Smav io->scsiio.io_hdr.status = CTL_STATUS_NONE; 1228313365Smav io->io_hdr.flags |= CTL_FLAG_DMA_QUEUED; 1229313365Smav xpt_release_ccb(done_ccb); 1230315887Smav STAILQ_INSERT_HEAD(&softc->work_queue, &atio->ccb_h, 1231315887Smav periph_links.stqe); 1232314749Smav xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1233313365Smav break; 1234313365Smav } 1235313365Smav 1236313365Smav /* 1237313365Smav * If status was being sent, the back end data is now history. 1238313365Smav * Hack it up and resubmit a new command with the CDB adjusted. 1239313365Smav * If the SIM does the right thing, all of the resid math 1240313365Smav * should work. 1241313365Smav */ 1242275880Smav if (srr && (io->io_hdr.flags & CTL_FLAG_DMA_INPROG) == 0) { 1243238870Smjacob xpt_release_ccb(done_ccb); 1244238870Smjacob if (ctlfe_adjust_cdb(atio, srr_off) == 0) { 1245238870Smjacob done_ccb = (union ccb *)atio; 1246238870Smjacob goto resubmit; 1247238870Smjacob } 1248238870Smjacob /* 1249238870Smjacob * Fall through to doom.... 1250238870Smjacob */ 1251238870Smjacob } 1252238870Smjacob 1253277919Smav if ((done_ccb->ccb_h.flags & CAM_SEND_STATUS) && 1254277919Smav (done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) 1255277919Smav io->io_hdr.flags |= CTL_FLAG_STATUS_SENT; 1256277919Smav 1257238870Smjacob /* 1258229997Sken * If we were sending status back to the initiator, free up 1259229997Sken * resources. If we were doing a datamove, call the 1260229997Sken * datamove done routine. 1261229997Sken */ 1262275880Smav if ((io->io_hdr.flags & CTL_FLAG_DMA_INPROG) == 0) { 1263315138Smav /* 1264315138Smav * If we asked to send sense data but it wasn't sent, 1265315138Smav * queue the I/O back to CTL for later REQUEST SENSE. 1266315138Smav */ 1267315138Smav if ((done_ccb->ccb_h.flags & CAM_SEND_SENSE) != 0 && 1268315138Smav (done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && 1269315138Smav (done_ccb->ccb_h.status & CAM_SENT_SENSE) == 0 && 1270315138Smav (io = ctl_alloc_io_nowait(bus_softc->port.ctl_pool_ref)) != NULL) { 1271315138Smav PRIV_INFO(io) = PRIV_INFO( 1272315138Smav (union ctl_io *)atio->ccb_h.io_ptr); 1273315138Smav ctl_queue_sense(atio->ccb_h.io_ptr); 1274315138Smav atio->ccb_h.io_ptr = io; 1275315138Smav } 1276315138Smav 1277314745Smav /* Abort ATIO if CTIO sending status has failed. */ 1278314745Smav if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != 1279314745Smav CAM_REQ_CMP) { 1280314745Smav done_ccb->ccb_h.func_code = XPT_ABORT; 1281314745Smav done_ccb->cab.abort_ccb = (union ccb *)atio; 1282314745Smav xpt_action(done_ccb); 1283314745Smav } 1284314745Smav 1285229997Sken xpt_release_ccb(done_ccb); 1286314739Smav ctlfe_requeue_ccb(periph, (union ccb *)atio, 1287314739Smav /* unlock */1); 1288314739Smav return; 1289229997Sken } else { 1290288723Smav struct ctlfe_cmd_info *cmd_info; 1291229997Sken struct ccb_scsiio *csio; 1292229997Sken 1293229997Sken csio = &done_ccb->csio; 1294312585Smav cmd_info = PRIV_INFO(io); 1295229997Sken 1296229997Sken io->io_hdr.flags &= ~CTL_FLAG_DMA_INPROG; 1297229997Sken 1298229997Sken /* 1299229997Sken * Translate CAM status to CTL status. Success 1300229997Sken * does not change the overall, ctl_io status. In 1301229997Sken * that case we just set port_status to 0. If we 1302229997Sken * have a failure, though, set a data phase error 1303229997Sken * for the overall ctl_io. 1304229997Sken */ 1305229997Sken switch (done_ccb->ccb_h.status & CAM_STATUS_MASK) { 1306229997Sken case CAM_REQ_CMP: 1307314757Smav io->scsiio.kern_data_resid -= 1308314757Smav csio->dxfer_len - csio->resid; 1309229997Sken io->io_hdr.port_status = 0; 1310229997Sken break; 1311229997Sken default: 1312229997Sken /* 1313245228Sken * XXX KDM we probably need to figure out a 1314245228Sken * standard set of errors that the SIM 1315245228Sken * drivers should return in the event of a 1316245228Sken * data transfer failure. A data phase 1317245228Sken * error will at least point the user to a 1318245228Sken * data transfer error of some sort. 1319245228Sken * Hopefully the SIM printed out some 1320245228Sken * additional information to give the user 1321245228Sken * a clue what happened. 1322229997Sken */ 1323229997Sken io->io_hdr.port_status = 0xbad1; 1324229997Sken ctl_set_data_phase_error(&io->scsiio); 1325229997Sken /* 1326229997Sken * XXX KDM figure out residual. 1327229997Sken */ 1328229997Sken break; 1329229997Sken } 1330229997Sken /* 1331229997Sken * If we had to break this S/G list into multiple 1332229997Sken * pieces, figure out where we are in the list, and 1333229997Sken * continue sending pieces if necessary. 1334229997Sken */ 1335314757Smav if ((cmd_info->flags & CTLFE_CMD_PIECEWISE) && 1336314757Smav io->io_hdr.port_status == 0 && csio->resid == 0) { 1337229997Sken ccb_flags flags; 1338229997Sken uint8_t *data_ptr; 1339229997Sken uint32_t dxfer_len; 1340229997Sken 1341229997Sken flags = atio->ccb_h.flags & 1342229997Sken (CAM_DIS_DISCONNECT| 1343265641Smav CAM_TAG_ACTION_VALID); 1344229997Sken 1345265641Smav ctlfedata(softc, io, &flags, &data_ptr, 1346265641Smav &dxfer_len, &csio->sglist_cnt); 1347229997Sken 1348229997Sken if (((flags & CAM_SEND_STATUS) == 0) 1349229997Sken && (dxfer_len == 0)) { 1350229997Sken printf("%s: tag %04x no status or " 1351229997Sken "len cdb = %02x\n", __func__, 1352229997Sken atio->tag_id, 1353312845Smav atio_cdb_ptr(atio)[0]); 1354229997Sken printf("%s: tag %04x io status %#x\n", 1355229997Sken __func__, atio->tag_id, 1356229997Sken io->io_hdr.status); 1357229997Sken } 1358229997Sken 1359229997Sken cam_fill_ctio(csio, 1360229997Sken /*retries*/ 2, 1361229997Sken ctlfedone, 1362229997Sken flags, 1363229997Sken (flags & CAM_TAG_ACTION_VALID) ? 1364229997Sken MSG_SIMPLE_Q_TAG : 0, 1365229997Sken atio->tag_id, 1366229997Sken atio->init_id, 1367313365Smav 0, 1368229997Sken /*data_ptr*/ data_ptr, 1369229997Sken /*dxfer_len*/ dxfer_len, 1370314751Smav CTLFE_TIMEOUT * 1000); 1371229997Sken 1372260387Sscottl csio->ccb_h.flags |= CAM_UNLOCKED; 1373229997Sken csio->resid = 0; 1374229997Sken csio->ccb_h.ccb_atio = atio; 1375229997Sken io->io_hdr.flags |= CTL_FLAG_DMA_INPROG; 1376229997Sken softc->ctios_sent++; 1377260387Sscottl mtx_unlock(mtx); 1378229997Sken xpt_action((union ccb *)csio); 1379229997Sken } else { 1380229997Sken /* 1381229997Sken * Release the CTIO. The ATIO will be sent back 1382229997Sken * down to the SIM once we send status. 1383229997Sken */ 1384229997Sken xpt_release_ccb(done_ccb); 1385260387Sscottl mtx_unlock(mtx); 1386229997Sken 1387229997Sken /* Call the backend move done callback */ 1388229997Sken io->scsiio.be_move_done(io); 1389229997Sken } 1390260387Sscottl return; 1391229997Sken } 1392229997Sken break; 1393229997Sken } 1394229997Sken case XPT_IMMEDIATE_NOTIFY: { 1395229997Sken union ctl_io *io; 1396229997Sken struct ccb_immediate_notify *inot; 1397284794Smav int send_ctl_io; 1398229997Sken 1399315889Smav LIST_REMOVE(&done_ccb->ccb_h, periph_links.le); 1400229997Sken inot = &done_ccb->cin1; 1401275878Smav io = done_ccb->ccb_h.io_ptr; 1402275878Smav ctl_zero_io(io); 1403229997Sken 1404275878Smav send_ctl_io = 1; 1405229997Sken 1406275878Smav io->io_hdr.io_type = CTL_IO_TASK; 1407312585Smav PRIV_CCB(io) = done_ccb; 1408275878Smav inot->ccb_h.io_ptr = io; 1409288731Smav io->io_hdr.nexus.initid = inot->initiator_id; 1410275878Smav io->io_hdr.nexus.targ_port = bus_softc->port.targ_port; 1411290776Smav if (bus_softc->hba_misc & PIM_EXTLUNS) { 1412290776Smav io->io_hdr.nexus.targ_lun = ctl_decode_lun( 1413290776Smav CAM_EXTLUN_BYTE_SWIZZLE(inot->ccb_h.target_lun)); 1414290776Smav } else { 1415290776Smav io->io_hdr.nexus.targ_lun = inot->ccb_h.target_lun; 1416290776Smav } 1417275878Smav /* XXX KDM should this be the tag_id? */ 1418275878Smav io->taskio.tag_num = inot->seq_id; 1419229997Sken 1420275878Smav status = inot->ccb_h.status & CAM_STATUS_MASK; 1421275878Smav switch (status) { 1422275878Smav case CAM_SCSI_BUS_RESET: 1423275878Smav io->taskio.task_action = CTL_TASK_BUS_RESET; 1424275878Smav break; 1425275878Smav case CAM_BDR_SENT: 1426275878Smav io->taskio.task_action = CTL_TASK_TARGET_RESET; 1427275878Smav break; 1428275878Smav case CAM_MESSAGE_RECV: 1429275878Smav switch (inot->arg) { 1430275878Smav case MSG_ABORT_TASK_SET: 1431275878Smav io->taskio.task_action = 1432275878Smav CTL_TASK_ABORT_TASK_SET; 1433229997Sken break; 1434275878Smav case MSG_TARGET_RESET: 1435290775Smav io->taskio.task_action = CTL_TASK_TARGET_RESET; 1436229997Sken break; 1437275878Smav case MSG_ABORT_TASK: 1438290775Smav io->taskio.task_action = CTL_TASK_ABORT_TASK; 1439229997Sken break; 1440275878Smav case MSG_LOGICAL_UNIT_RESET: 1441290775Smav io->taskio.task_action = CTL_TASK_LUN_RESET; 1442275878Smav break; 1443275878Smav case MSG_CLEAR_TASK_SET: 1444275878Smav io->taskio.task_action = 1445290775Smav CTL_TASK_CLEAR_TASK_SET; 1446275878Smav break; 1447275878Smav case MSG_CLEAR_ACA: 1448290775Smav io->taskio.task_action = CTL_TASK_CLEAR_ACA; 1449290775Smav break; 1450290775Smav case MSG_QUERY_TASK: 1451290775Smav io->taskio.task_action = CTL_TASK_QUERY_TASK; 1452290775Smav break; 1453290775Smav case MSG_QUERY_TASK_SET: 1454275878Smav io->taskio.task_action = 1455290775Smav CTL_TASK_QUERY_TASK_SET; 1456275878Smav break; 1457290775Smav case MSG_QUERY_ASYNC_EVENT: 1458290775Smav io->taskio.task_action = 1459290775Smav CTL_TASK_QUERY_ASYNC_EVENT; 1460290775Smav break; 1461275878Smav case MSG_NOOP: 1462229997Sken send_ctl_io = 0; 1463229997Sken break; 1464229997Sken default: 1465275878Smav xpt_print(periph->path, 1466314727Smav "%s: unsupported INOT message 0x%x\n", 1467314727Smav __func__, inot->arg); 1468275878Smav send_ctl_io = 0; 1469275878Smav break; 1470275878Smav } 1471275878Smav break; 1472314727Smav default: 1473314727Smav xpt_print(periph->path, 1474314727Smav "%s: unsupported INOT status 0x%x\n", 1475314727Smav __func__, status); 1476314727Smav /* FALLTHROUGH */ 1477275878Smav case CAM_REQ_ABORTED: 1478275878Smav case CAM_REQ_INVALID: 1479314727Smav case CAM_DEV_NOT_THERE: 1480275878Smav case CAM_PROVIDE_FAIL: 1481275878Smav ctlfe_free_ccb(periph, done_ccb); 1482275878Smav goto out; 1483275878Smav } 1484275878Smav if (send_ctl_io != 0) { 1485275878Smav ctl_queue(io); 1486229997Sken } else { 1487229997Sken done_ccb->ccb_h.status = CAM_REQ_INPROG; 1488229997Sken done_ccb->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE; 1489229997Sken xpt_action(done_ccb); 1490229997Sken } 1491229997Sken break; 1492229997Sken } 1493229997Sken case XPT_NOTIFY_ACKNOWLEDGE: 1494314739Smav /* Queue this back down to the SIM as an immediate notify. */ 1495304417Smav done_ccb->ccb_h.status = CAM_REQ_INPROG; 1496229997Sken done_ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 1497314739Smav ctlfe_requeue_ccb(periph, done_ccb, /* unlock */1); 1498314739Smav return; 1499229997Sken case XPT_SET_SIM_KNOB: 1500229997Sken case XPT_GET_SIM_KNOB: 1501229997Sken break; 1502229997Sken default: 1503229997Sken panic("%s: unexpected CCB type %#x", __func__, 1504229997Sken done_ccb->ccb_h.func_code); 1505229997Sken break; 1506229997Sken } 1507260387Sscottl 1508260387Sscottlout: 1509260387Sscottl mtx_unlock(mtx); 1510229997Sken} 1511229997Sken 1512229997Skenstatic void 1513229997Skenctlfe_onoffline(void *arg, int online) 1514229997Sken{ 1515315891Smav struct ctlfe_softc *bus_softc = arg; 1516229997Sken union ccb *ccb; 1517229997Sken cam_status status; 1518229997Sken struct cam_path *path; 1519315891Smav int set_wwnn = 0; 1520229997Sken 1521229997Sken status = xpt_create_path(&path, /*periph*/ NULL, bus_softc->path_id, 1522315891Smav CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 1523229997Sken if (status != CAM_REQ_CMP) { 1524229997Sken printf("%s: unable to create path!\n", __func__); 1525229997Sken return; 1526229997Sken } 1527275882Smav ccb = xpt_alloc_ccb(); 1528242174Smav xpt_setup_ccb(&ccb->ccb_h, path, CAM_PRIORITY_NONE); 1529288713Smav ccb->ccb_h.func_code = XPT_GET_SIM_KNOB; 1530288713Smav xpt_action(ccb); 1531229997Sken 1532315891Smav /* Check whether we should change WWNs. */ 1533229997Sken if (online != 0) { 1534229997Sken if ((ccb->knob.xport_specific.valid & KNOB_VALID_ADDRESS) != 0){ 1535229997Sken printf("%s: %s current WWNN %#jx\n", __func__, 1536229997Sken bus_softc->port_name, 1537229997Sken ccb->knob.xport_specific.fc.wwnn); 1538229997Sken printf("%s: %s current WWPN %#jx\n", __func__, 1539229997Sken bus_softc->port_name, 1540229997Sken ccb->knob.xport_specific.fc.wwpn); 1541229997Sken 1542229997Sken /* 1543229997Sken * If the user has specified a WWNN/WWPN, send them 1544229997Sken * down to the SIM. Otherwise, record what the SIM 1545229997Sken * has reported. 1546229997Sken */ 1547284586Smav if (bus_softc->port.wwnn != 0 && bus_softc->port.wwnn 1548284586Smav != ccb->knob.xport_specific.fc.wwnn) { 1549229997Sken ccb->knob.xport_specific.fc.wwnn = 1550284586Smav bus_softc->port.wwnn; 1551284586Smav set_wwnn = 1; 1552284586Smav } else { 1553284586Smav ctl_port_set_wwns(&bus_softc->port, 1554284586Smav true, ccb->knob.xport_specific.fc.wwnn, 1555284586Smav false, 0); 1556284586Smav } 1557284586Smav if (bus_softc->port.wwpn != 0 && bus_softc->port.wwpn 1558284586Smav != ccb->knob.xport_specific.fc.wwpn) { 1559229997Sken ccb->knob.xport_specific.fc.wwpn = 1560284586Smav bus_softc->port.wwpn; 1561229997Sken set_wwnn = 1; 1562229997Sken } else { 1563268683Smav ctl_port_set_wwns(&bus_softc->port, 1564284586Smav false, 0, 1565268683Smav true, ccb->knob.xport_specific.fc.wwpn); 1566229997Sken } 1567229997Sken } else { 1568229997Sken printf("%s: %s has no valid WWNN/WWPN\n", __func__, 1569229997Sken bus_softc->port_name); 1570315891Smav if (bus_softc->port.wwnn != 0) { 1571315891Smav ccb->knob.xport_specific.fc.wwnn = 1572315891Smav bus_softc->port.wwnn; 1573315891Smav set_wwnn = 1; 1574315891Smav } 1575315891Smav if (bus_softc->port.wwpn != 0) { 1576315891Smav ccb->knob.xport_specific.fc.wwpn = 1577315891Smav bus_softc->port.wwpn; 1578315891Smav set_wwnn = 1; 1579315891Smav } 1580229997Sken } 1581229997Sken } 1582315891Smav if (set_wwnn) { 1583315891Smav ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 1584315891Smav ccb->knob.xport_specific.valid = KNOB_VALID_ADDRESS; 1585315891Smav xpt_action(ccb); 1586315891Smav if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1587315891Smav printf("%s: %s (path id %d) failed set WWNs: %#x\n", 1588315891Smav __func__, bus_softc->port_name, bus_softc->path_id, 1589315891Smav ccb->ccb_h.status); 1590315891Smav } else { 1591315891Smav printf("%s: %s new WWNN %#jx\n", __func__, 1592315891Smav bus_softc->port_name, 1593315891Smav ccb->knob.xport_specific.fc.wwnn); 1594315891Smav printf("%s: %s new WWPN %#jx\n", __func__, 1595315891Smav bus_softc->port_name, 1596315891Smav ccb->knob.xport_specific.fc.wwpn); 1597315891Smav } 1598315891Smav } 1599229997Sken 1600315891Smav /* Check whether we should change role. */ 1601315891Smav if ((ccb->knob.xport_specific.valid & KNOB_VALID_ROLE) == 0 || 1602315891Smav ((online != 0) ^ 1603315891Smav ((ccb->knob.xport_specific.fc.role & KNOB_ROLE_TARGET) != 0)) != 0) { 1604315891Smav ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 1605315891Smav ccb->knob.xport_specific.valid = KNOB_VALID_ROLE; 1606315891Smav if (online) 1607315891Smav ccb->knob.xport_specific.fc.role |= KNOB_ROLE_TARGET; 1608315891Smav else 1609315891Smav ccb->knob.xport_specific.fc.role &= ~KNOB_ROLE_TARGET; 1610315891Smav xpt_action(ccb); 1611315891Smav if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1612315891Smav printf("%s: %s (path id %d) failed %s target role: %#x\n", 1613315891Smav __func__, bus_softc->port_name, bus_softc->path_id, 1614315891Smav online ? "enable" : "disable", ccb->ccb_h.status); 1615315891Smav } else { 1616315891Smav printf("%s: %s (path id %d) target role %s succeeded\n", 1617315891Smav __func__, bus_softc->port_name, bus_softc->path_id, 1618315891Smav online ? "enable" : "disable"); 1619315891Smav } 1620229997Sken } 1621229997Sken 1622229997Sken xpt_free_path(path); 1623275882Smav xpt_free_ccb(ccb); 1624229997Sken} 1625229997Sken 1626229997Skenstatic void 1627229997Skenctlfe_online(void *arg) 1628229997Sken{ 1629245228Sken struct ctlfe_softc *bus_softc; 1630245228Sken struct cam_path *path; 1631245228Sken cam_status status; 1632245228Sken struct ctlfe_lun_softc *lun_softc; 1633274388Smav struct cam_periph *periph; 1634245228Sken 1635245228Sken bus_softc = (struct ctlfe_softc *)arg; 1636245228Sken 1637245228Sken /* 1638245228Sken * Create the wildcard LUN before bringing the port online. 1639245228Sken */ 1640245228Sken status = xpt_create_path(&path, /*periph*/ NULL, 1641245228Sken bus_softc->path_id, CAM_TARGET_WILDCARD, 1642245228Sken CAM_LUN_WILDCARD); 1643245228Sken if (status != CAM_REQ_CMP) { 1644245228Sken printf("%s: unable to create path for wildcard periph\n", 1645245228Sken __func__); 1646245228Sken return; 1647245228Sken } 1648245228Sken 1649275882Smav lun_softc = malloc(sizeof(*lun_softc), M_CTLFE, M_WAITOK | M_ZERO); 1650245228Sken 1651260387Sscottl xpt_path_lock(path); 1652274388Smav periph = cam_periph_find(path, "ctl"); 1653274388Smav if (periph != NULL) { 1654274388Smav /* We've already got a periph, no need to alloc a new one. */ 1655274388Smav xpt_path_unlock(path); 1656274388Smav xpt_free_path(path); 1657274388Smav free(lun_softc, M_CTLFE); 1658274388Smav return; 1659274388Smav } 1660245228Sken lun_softc->parent_softc = bus_softc; 1661245228Sken lun_softc->flags |= CTLFE_LUN_WILDCARD; 1662245228Sken 1663245228Sken status = cam_periph_alloc(ctlferegister, 1664245228Sken ctlfeoninvalidate, 1665245228Sken ctlfecleanup, 1666245228Sken ctlfestart, 1667245228Sken "ctl", 1668245228Sken CAM_PERIPH_BIO, 1669245228Sken path, 1670245228Sken ctlfeasync, 1671245228Sken 0, 1672245228Sken lun_softc); 1673245228Sken 1674245228Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1675245228Sken const struct cam_status_entry *entry; 1676245228Sken 1677245228Sken entry = cam_fetch_status_entry(status); 1678245228Sken printf("%s: CAM error %s (%#x) returned from " 1679245228Sken "cam_periph_alloc()\n", __func__, (entry != NULL) ? 1680245228Sken entry->status_text : "Unknown", status); 1681274388Smav free(lun_softc, M_CTLFE); 1682245228Sken } 1683245228Sken 1684260387Sscottl xpt_path_unlock(path); 1685275882Smav ctlfe_onoffline(arg, /*online*/ 1); 1686260387Sscottl xpt_free_path(path); 1687229997Sken} 1688229997Sken 1689229997Skenstatic void 1690229997Skenctlfe_offline(void *arg) 1691229997Sken{ 1692245228Sken struct ctlfe_softc *bus_softc; 1693245228Sken struct cam_path *path; 1694245228Sken cam_status status; 1695245228Sken struct cam_periph *periph; 1696245228Sken 1697245228Sken bus_softc = (struct ctlfe_softc *)arg; 1698245228Sken 1699275882Smav ctlfe_onoffline(arg, /*online*/ 0); 1700275882Smav 1701245228Sken /* 1702245228Sken * Disable the wildcard LUN for this port now that we have taken 1703245228Sken * the port offline. 1704245228Sken */ 1705245228Sken status = xpt_create_path(&path, /*periph*/ NULL, 1706245228Sken bus_softc->path_id, CAM_TARGET_WILDCARD, 1707245228Sken CAM_LUN_WILDCARD); 1708245228Sken if (status != CAM_REQ_CMP) { 1709245228Sken printf("%s: unable to create path for wildcard periph\n", 1710245228Sken __func__); 1711245228Sken return; 1712245228Sken } 1713260387Sscottl xpt_path_lock(path); 1714245228Sken if ((periph = cam_periph_find(path, "ctl")) != NULL) 1715245228Sken cam_periph_invalidate(periph); 1716260387Sscottl xpt_path_unlock(path); 1717245228Sken xpt_free_path(path); 1718229997Sken} 1719229997Sken 1720229997Sken/* 1721229997Sken * This will get called to enable a LUN on every bus that is attached to 1722229997Sken * CTL. So we only need to create a path/periph for this particular bus. 1723229997Sken */ 1724229997Skenstatic int 1725284798Smavctlfe_lun_enable(void *arg, int lun_id) 1726229997Sken{ 1727229997Sken struct ctlfe_softc *bus_softc; 1728229997Sken struct ctlfe_lun_softc *softc; 1729229997Sken struct cam_path *path; 1730229997Sken struct cam_periph *periph; 1731229997Sken cam_status status; 1732229997Sken 1733229997Sken bus_softc = (struct ctlfe_softc *)arg; 1734290776Smav if (bus_softc->hba_misc & PIM_EXTLUNS) 1735290776Smav lun_id = CAM_EXTLUN_BYTE_SWIZZLE(ctl_encode_lun(lun_id)); 1736229997Sken 1737260387Sscottl status = xpt_create_path(&path, /*periph*/ NULL, 1738290776Smav bus_softc->path_id, bus_softc->target_id, lun_id); 1739229997Sken /* XXX KDM need some way to return status to CTL here? */ 1740229997Sken if (status != CAM_REQ_CMP) { 1741229997Sken printf("%s: could not create path, status %#x\n", __func__, 1742229997Sken status); 1743229997Sken return (1); 1744229997Sken } 1745229997Sken 1746229997Sken softc = malloc(sizeof(*softc), M_CTLFE, M_WAITOK | M_ZERO); 1747260387Sscottl xpt_path_lock(path); 1748229997Sken periph = cam_periph_find(path, "ctl"); 1749229997Sken if (periph != NULL) { 1750229997Sken /* We've already got a periph, no need to alloc a new one. */ 1751260387Sscottl xpt_path_unlock(path); 1752229997Sken xpt_free_path(path); 1753229997Sken free(softc, M_CTLFE); 1754229997Sken return (0); 1755229997Sken } 1756229997Sken softc->parent_softc = bus_softc; 1757229997Sken 1758229997Sken status = cam_periph_alloc(ctlferegister, 1759229997Sken ctlfeoninvalidate, 1760229997Sken ctlfecleanup, 1761229997Sken ctlfestart, 1762229997Sken "ctl", 1763229997Sken CAM_PERIPH_BIO, 1764229997Sken path, 1765229997Sken ctlfeasync, 1766229997Sken 0, 1767229997Sken softc); 1768229997Sken 1769274388Smav if ((status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1770274388Smav const struct cam_status_entry *entry; 1771274388Smav 1772274388Smav entry = cam_fetch_status_entry(status); 1773274388Smav printf("%s: CAM error %s (%#x) returned from " 1774274388Smav "cam_periph_alloc()\n", __func__, (entry != NULL) ? 1775274388Smav entry->status_text : "Unknown", status); 1776274388Smav free(softc, M_CTLFE); 1777274388Smav } 1778274388Smav 1779260387Sscottl xpt_path_unlock(path); 1780244016Sken xpt_free_path(path); 1781229997Sken return (0); 1782229997Sken} 1783229997Sken 1784229997Sken/* 1785245228Sken * This will get called when the user removes a LUN to disable that LUN 1786245228Sken * on every bus that is attached to CTL. 1787229997Sken */ 1788229997Skenstatic int 1789284798Smavctlfe_lun_disable(void *arg, int lun_id) 1790229997Sken{ 1791229997Sken struct ctlfe_softc *softc; 1792229997Sken struct ctlfe_lun_softc *lun_softc; 1793229997Sken 1794229997Sken softc = (struct ctlfe_softc *)arg; 1795290776Smav if (softc->hba_misc & PIM_EXTLUNS) 1796290776Smav lun_id = CAM_EXTLUN_BYTE_SWIZZLE(ctl_encode_lun(lun_id)); 1797229997Sken 1798260387Sscottl mtx_lock(&softc->lun_softc_mtx); 1799229997Sken STAILQ_FOREACH(lun_softc, &softc->lun_softc_list, links) { 1800229997Sken struct cam_path *path; 1801229997Sken 1802229997Sken path = lun_softc->periph->path; 1803229997Sken 1804290172Smav if ((xpt_path_target_id(path) == softc->target_id) 1805229997Sken && (xpt_path_lun_id(path) == lun_id)) { 1806229997Sken break; 1807229997Sken } 1808229997Sken } 1809229997Sken if (lun_softc == NULL) { 1810260387Sscottl mtx_unlock(&softc->lun_softc_mtx); 1811284798Smav printf("%s: can't find lun %d\n", __func__, lun_id); 1812229997Sken return (1); 1813229997Sken } 1814260387Sscottl cam_periph_acquire(lun_softc->periph); 1815260387Sscottl mtx_unlock(&softc->lun_softc_mtx); 1816229997Sken 1817260387Sscottl cam_periph_lock(lun_softc->periph); 1818229997Sken cam_periph_invalidate(lun_softc->periph); 1819260387Sscottl cam_periph_unlock(lun_softc->periph); 1820260387Sscottl cam_periph_release(lun_softc->periph); 1821229997Sken return (0); 1822229997Sken} 1823229997Sken 1824229997Skenstatic void 1825229997Skenctlfe_dump_sim(struct cam_sim *sim) 1826229997Sken{ 1827229997Sken 1828315939Smav printf("%s%d: max dev openings: %d, max tagged dev openings: %d\n", 1829315939Smav sim->sim_name, sim->unit_number, sim->max_dev_openings, 1830315939Smav sim->max_tagged_dev_openings); 1831229997Sken} 1832229997Sken 1833229997Sken/* 1834229997Sken * Assumes that the SIM lock is held. 1835229997Sken */ 1836229997Skenstatic void 1837229997Skenctlfe_dump_queue(struct ctlfe_lun_softc *softc) 1838229997Sken{ 1839315939Smav struct cam_periph *periph = softc->periph; 1840229997Sken struct ccb_hdr *hdr; 1841315939Smav struct ccb_getdevstats cgds; 1842229997Sken int num_items; 1843229997Sken 1844315939Smav xpt_setup_ccb(&cgds.ccb_h, periph->path, CAM_PRIORITY_NORMAL); 1845315939Smav cgds.ccb_h.func_code = XPT_GDEV_STATS; 1846315939Smav xpt_action((union ccb *)&cgds); 1847315939Smav if ((cgds.ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { 1848315939Smav xpt_print(periph->path, "devq: openings %d, active %d, " 1849315939Smav "allocated %d, queued %d, held %d\n", 1850315939Smav cgds.dev_openings, cgds.dev_active, cgds.allocated, 1851315939Smav cgds.queued, cgds.held); 1852315939Smav } 1853315939Smav 1854229997Sken num_items = 0; 1855229997Sken 1856315887Smav STAILQ_FOREACH(hdr, &softc->work_queue, periph_links.stqe) { 1857275880Smav union ctl_io *io = hdr->io_ptr; 1858229997Sken 1859229997Sken num_items++; 1860229997Sken 1861229997Sken /* 1862229997Sken * Only regular SCSI I/O is put on the work 1863229997Sken * queue, so we can print sense here. There may be no 1864229997Sken * sense if it's no the queue for a DMA, but this serves to 1865229997Sken * print out the CCB as well. 1866229997Sken * 1867229997Sken * XXX KDM switch this over to scsi_sense_print() when 1868229997Sken * CTL is merged in with CAM. 1869229997Sken */ 1870229997Sken ctl_io_error_print(io, NULL); 1871229997Sken 1872229997Sken /* 1873275880Smav * Print DMA status if we are DMA_QUEUED. 1874229997Sken */ 1875275880Smav if (io->io_hdr.flags & CTL_FLAG_DMA_QUEUED) { 1876275880Smav xpt_print(periph->path, 1877275880Smav "Total %u, Current %u, Resid %u\n", 1878275880Smav io->scsiio.kern_total_len, 1879275880Smav io->scsiio.kern_data_len, 1880275880Smav io->scsiio.kern_data_resid); 1881275880Smav } 1882229997Sken } 1883229997Sken 1884314749Smav xpt_print(periph->path, "%d requests waiting for CCBs\n", num_items); 1885314749Smav xpt_print(periph->path, "%d CTIOs outstanding\n", softc->ctios_sent); 1886229997Sken} 1887229997Sken 1888229997Sken/* 1889275880Smav * Datamove/done routine called by CTL. Put ourselves on the queue to 1890275880Smav * receive a CCB from CAM so we can queue the continue I/O request down 1891275880Smav * to the adapter. 1892229997Sken */ 1893229997Skenstatic void 1894275880Smavctlfe_datamove(union ctl_io *io) 1895229997Sken{ 1896275880Smav union ccb *ccb; 1897275880Smav struct cam_periph *periph; 1898229997Sken struct ctlfe_lun_softc *softc; 1899229997Sken 1900275880Smav KASSERT(io->io_hdr.io_type == CTL_IO_SCSI, 1901275880Smav ("Unexpected io_type (%d) in ctlfe_datamove", io->io_hdr.io_type)); 1902229997Sken 1903313365Smav io->scsiio.ext_data_filled = 0; 1904312585Smav ccb = PRIV_CCB(io); 1905275880Smav periph = xpt_path_periph(ccb->ccb_h.path); 1906275880Smav cam_periph_lock(periph); 1907275880Smav softc = (struct ctlfe_lun_softc *)periph->softc; 1908275880Smav io->io_hdr.flags |= CTL_FLAG_DMA_QUEUED; 1909275880Smav if ((io->io_hdr.status & CTL_STATUS_MASK) != CTL_STATUS_NONE) 1910275880Smav io->io_hdr.flags |= CTL_FLAG_STATUS_QUEUED; 1911315887Smav STAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, 1912315887Smav periph_links.stqe); 1913314749Smav xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1914275880Smav cam_periph_unlock(periph); 1915229997Sken} 1916229997Sken 1917229997Skenstatic void 1918275880Smavctlfe_done(union ctl_io *io) 1919229997Sken{ 1920229997Sken union ccb *ccb; 1921229997Sken struct cam_periph *periph; 1922229997Sken struct ctlfe_lun_softc *softc; 1923229997Sken 1924312585Smav ccb = PRIV_CCB(io); 1925229997Sken periph = xpt_path_periph(ccb->ccb_h.path); 1926260387Sscottl cam_periph_lock(periph); 1927229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 1928229997Sken 1929229997Sken if (io->io_hdr.io_type == CTL_IO_TASK) { 1930229997Sken /* 1931229997Sken * Send the notify acknowledge down to the SIM, to let it 1932229997Sken * know we processed the task management command. 1933229997Sken */ 1934229997Sken ccb->ccb_h.status = CAM_REQ_INPROG; 1935229997Sken ccb->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE; 1936304417Smav switch (io->taskio.task_status) { 1937304417Smav case CTL_TASK_FUNCTION_COMPLETE: 1938304417Smav ccb->cna2.arg = CAM_RSP_TMF_COMPLETE; 1939304417Smav break; 1940304417Smav case CTL_TASK_FUNCTION_SUCCEEDED: 1941304417Smav ccb->cna2.arg = CAM_RSP_TMF_SUCCEEDED; 1942304417Smav ccb->ccb_h.flags |= CAM_SEND_STATUS; 1943304417Smav break; 1944304417Smav case CTL_TASK_FUNCTION_REJECTED: 1945304417Smav ccb->cna2.arg = CAM_RSP_TMF_REJECTED; 1946304417Smav ccb->ccb_h.flags |= CAM_SEND_STATUS; 1947304417Smav break; 1948304417Smav case CTL_TASK_LUN_DOES_NOT_EXIST: 1949304417Smav ccb->cna2.arg = CAM_RSP_TMF_INCORRECT_LUN; 1950304417Smav ccb->ccb_h.flags |= CAM_SEND_STATUS; 1951304417Smav break; 1952304417Smav case CTL_TASK_FUNCTION_NOT_SUPPORTED: 1953304417Smav ccb->cna2.arg = CAM_RSP_TMF_FAILED; 1954304417Smav ccb->ccb_h.flags |= CAM_SEND_STATUS; 1955304417Smav break; 1956304417Smav } 1957304417Smav ccb->cna2.arg |= scsi_3btoul(io->taskio.task_resp) << 8; 1958229997Sken xpt_action(ccb); 1959275881Smav } else if (io->io_hdr.flags & CTL_FLAG_STATUS_SENT) { 1960314739Smav ctlfe_requeue_ccb(periph, ccb, /* unlock */1); 1961314739Smav return; 1962229997Sken } else { 1963275880Smav io->io_hdr.flags |= CTL_FLAG_STATUS_QUEUED; 1964315887Smav STAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, 1965315887Smav periph_links.stqe); 1966314749Smav xpt_schedule(periph, CAM_PRIORITY_NORMAL); 1967229997Sken } 1968229997Sken 1969260387Sscottl cam_periph_unlock(periph); 1970229997Sken} 1971229997Sken 1972229997Skenstatic void 1973229997Skenctlfe_dump(void) 1974229997Sken{ 1975229997Sken struct ctlfe_softc *bus_softc; 1976275880Smav struct ctlfe_lun_softc *lun_softc; 1977229997Sken 1978229997Sken STAILQ_FOREACH(bus_softc, &ctlfe_softc_list, links) { 1979229997Sken ctlfe_dump_sim(bus_softc->sim); 1980275880Smav STAILQ_FOREACH(lun_softc, &bus_softc->lun_softc_list, links) 1981229997Sken ctlfe_dump_queue(lun_softc); 1982229997Sken } 1983229997Sken} 1984