scsi_ctl.c revision 304417
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 304417 2016-08-18 11:38:47Z 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> 56229997Sken#include <machine/bus.h> 57229997Sken 58229997Sken#include <cam/cam.h> 59229997Sken#include <cam/cam_ccb.h> 60229997Sken#include <cam/cam_periph.h> 61229997Sken#include <cam/cam_queue.h> 62229997Sken#include <cam/cam_xpt_periph.h> 63229997Sken#include <cam/cam_debug.h> 64229997Sken#include <cam/cam_sim.h> 65229997Sken#include <cam/cam_xpt.h> 66229997Sken 67229997Sken#include <cam/scsi/scsi_all.h> 68229997Sken#include <cam/scsi/scsi_message.h> 69229997Sken 70229997Sken#include <cam/ctl/ctl_io.h> 71229997Sken#include <cam/ctl/ctl.h> 72229997Sken#include <cam/ctl/ctl_frontend.h> 73229997Sken#include <cam/ctl/ctl_util.h> 74229997Sken#include <cam/ctl/ctl_error.h> 75229997Sken 76229997Skenstruct ctlfe_softc { 77290776Smav struct ctl_port port; 78290776Smav path_id_t path_id; 79290776Smav target_id_t target_id; 80290776Smav uint32_t hba_misc; 81290776Smav u_int maxio; 82229997Sken struct cam_sim *sim; 83290776Smav char port_name[DEV_IDLEN]; 84290776Smav struct mtx lun_softc_mtx; 85229997Sken STAILQ_HEAD(, ctlfe_lun_softc) lun_softc_list; 86229997Sken STAILQ_ENTRY(ctlfe_softc) links; 87229997Sken}; 88229997Sken 89229997SkenSTAILQ_HEAD(, ctlfe_softc) ctlfe_softc_list; 90229997Skenstruct mtx ctlfe_list_mtx; 91229997Skenstatic char ctlfe_mtx_desc[] = "ctlfelist"; 92229997Sken#ifdef CTLFE_INIT_ENABLE 93229997Skenstatic int ctlfe_max_targets = 1; 94229997Skenstatic int ctlfe_num_targets = 0; 95229997Sken#endif 96229997Sken 97229997Skentypedef enum { 98229997Sken CTLFE_LUN_NONE = 0x00, 99229997Sken CTLFE_LUN_WILDCARD = 0x01 100229997Sken} ctlfe_lun_flags; 101229997Sken 102229997Skenstruct ctlfe_lun_softc { 103229997Sken struct ctlfe_softc *parent_softc; 104229997Sken struct cam_periph *periph; 105229997Sken ctlfe_lun_flags flags; 106229997Sken uint64_t ccbs_alloced; 107229997Sken uint64_t ccbs_freed; 108229997Sken uint64_t ctios_sent; 109229997Sken uint64_t ctios_returned; 110284793Smav uint64_t atios_alloced; 111284793Smav uint64_t atios_freed; 112284793Smav uint64_t inots_alloced; 113284793Smav uint64_t inots_freed; 114229997Sken /* bus_dma_tag_t dma_tag; */ 115229997Sken TAILQ_HEAD(, ccb_hdr) work_queue; 116229997Sken STAILQ_ENTRY(ctlfe_lun_softc) links; 117229997Sken}; 118229997Sken 119229997Skentypedef enum { 120229997Sken CTLFE_CMD_NONE = 0x00, 121229997Sken CTLFE_CMD_PIECEWISE = 0x01 122229997Sken} ctlfe_cmd_flags; 123229997Sken 124288723Smavstruct ctlfe_cmd_info { 125229997Sken int cur_transfer_index; 126265641Smav size_t cur_transfer_off; 127229997Sken ctlfe_cmd_flags flags; 128229997Sken /* 129229997Sken * XXX KDM struct bus_dma_segment is 8 bytes on i386, and 16 130229997Sken * bytes on amd64. So with 32 elements, this is 256 bytes on 131229997Sken * i386 and 512 bytes on amd64. 132229997Sken */ 133265641Smav#define CTLFE_MAX_SEGS 32 134265641Smav bus_dma_segment_t cam_sglist[CTLFE_MAX_SEGS]; 135229997Sken}; 136229997Sken 137229997Sken/* 138229997Sken * When we register the adapter/bus, request that this many ctl_ios be 139229997Sken * allocated. This should be the maximum supported by the adapter, but we 140229997Sken * currently don't have a way to get that back from the path inquiry. 141229997Sken * XXX KDM add that to the path inquiry. 142229997Sken */ 143229997Sken#define CTLFE_REQ_CTL_IO 4096 144229997Sken/* 145229997Sken * Number of Accept Target I/O CCBs to allocate and queue down to the 146229997Sken * adapter per LUN. 147229997Sken * XXX KDM should this be controlled by CTL? 148229997Sken */ 149229997Sken#define CTLFE_ATIO_PER_LUN 1024 150229997Sken/* 151229997Sken * Number of Immediate Notify CCBs (used for aborts, resets, etc.) to 152229997Sken * allocate and queue down to the adapter per LUN. 153229997Sken * XXX KDM should this be controlled by CTL? 154229997Sken */ 155229997Sken#define CTLFE_IN_PER_LUN 1024 156229997Sken 157229997Sken/* 158229997Sken * Timeout (in seconds) on CTIO CCB allocation for doing a DMA or sending 159229997Sken * status to the initiator. The SIM is expected to have its own timeouts, 160229997Sken * so we're not putting this timeout around the CCB execution time. The 161229997Sken * SIM should timeout and let us know if it has an issue. 162229997Sken */ 163229997Sken#define CTLFE_DMA_TIMEOUT 60 164229997Sken 165229997Sken/* 166229997Sken * Turn this on to enable extra debugging prints. 167229997Sken */ 168229997Sken#if 0 169229997Sken#define CTLFE_DEBUG 170229997Sken#endif 171229997Sken 172229997Sken/* 173229997Sken * Use randomly assigned WWNN/WWPN values. This is to work around an issue 174229997Sken * in the FreeBSD initiator that makes it unable to rescan the target if 175229997Sken * the target gets rebooted and the WWNN/WWPN stay the same. 176229997Sken */ 177229997Sken#if 0 178229997Sken#define RANDOM_WWNN 179229997Sken#endif 180229997Sken 181229997SkenMALLOC_DEFINE(M_CTLFE, "CAM CTL FE", "CAM CTL FE interface"); 182229997Sken 183275878Smav#define io_ptr ppriv_ptr0 184229997Sken 185229997Sken/* This is only used in the CTIO */ 186229997Sken#define ccb_atio ppriv_ptr1 187229997Sken 188229997Skenint ctlfeinitialize(void); 189229997Skenvoid ctlfeshutdown(void); 190268677Smavstatic periph_init_t ctlfeperiphinit; 191229997Skenstatic void ctlfeasync(void *callback_arg, uint32_t code, 192229997Sken struct cam_path *path, void *arg); 193229997Skenstatic periph_ctor_t ctlferegister; 194229997Skenstatic periph_oninv_t ctlfeoninvalidate; 195229997Skenstatic periph_dtor_t ctlfecleanup; 196229997Skenstatic periph_start_t ctlfestart; 197229997Skenstatic void ctlfedone(struct cam_periph *periph, 198229997Sken union ccb *done_ccb); 199229997Sken 200229997Skenstatic void ctlfe_onoffline(void *arg, int online); 201229997Skenstatic void ctlfe_online(void *arg); 202229997Skenstatic void ctlfe_offline(void *arg); 203284798Smavstatic int ctlfe_lun_enable(void *arg, int lun_id); 204284798Smavstatic int ctlfe_lun_disable(void *arg, int lun_id); 205229997Skenstatic void ctlfe_dump_sim(struct cam_sim *sim); 206229997Skenstatic void ctlfe_dump_queue(struct ctlfe_lun_softc *softc); 207275880Smavstatic void ctlfe_datamove(union ctl_io *io); 208275880Smavstatic void ctlfe_done(union ctl_io *io); 209229997Skenstatic void ctlfe_dump(void); 210229997Sken 211229997Skenstatic struct periph_driver ctlfe_driver = 212229997Sken{ 213268677Smav ctlfeperiphinit, "ctl", 214273316Smav TAILQ_HEAD_INITIALIZER(ctlfe_driver.units), /*generation*/ 0, 215273316Smav CAM_PERIPH_DRV_EARLY 216229997Sken}; 217229997Sken 218268677Smavstatic struct ctl_frontend ctlfe_frontend = 219268677Smav{ 220273318Smav .name = "camtgt", 221268677Smav .init = ctlfeinitialize, 222268677Smav .fe_dump = ctlfe_dump, 223268677Smav .shutdown = ctlfeshutdown, 224249009Strasz}; 225268677SmavCTL_FRONTEND_DECLARE(ctlfe, ctlfe_frontend); 226249009Strasz 227229997Skenvoid 228229997Skenctlfeshutdown(void) 229229997Sken{ 230229997Sken return; 231229997Sken} 232229997Sken 233268677Smavint 234268677Smavctlfeinitialize(void) 235229997Sken{ 236229997Sken 237229997Sken STAILQ_INIT(&ctlfe_softc_list); 238229997Sken mtx_init(&ctlfe_list_mtx, ctlfe_mtx_desc, NULL, MTX_DEF); 239268677Smav periphdriver_register(&ctlfe_driver); 240268677Smav return (0); 241268677Smav} 242229997Sken 243268677Smavvoid 244268677Smavctlfeperiphinit(void) 245268677Smav{ 246268677Smav cam_status status; 247229997Sken 248229997Sken status = xpt_register_async(AC_PATH_REGISTERED | AC_PATH_DEREGISTERED | 249229997Sken AC_CONTRACT, ctlfeasync, NULL, NULL); 250229997Sken if (status != CAM_REQ_CMP) { 251229997Sken printf("ctl: Failed to attach async callback due to CAM " 252229997Sken "status 0x%x!\n", status); 253229997Sken } 254229997Sken} 255229997Sken 256229997Skenstatic void 257229997Skenctlfeasync(void *callback_arg, uint32_t code, struct cam_path *path, void *arg) 258229997Sken{ 259273317Smav struct ctlfe_softc *softc; 260229997Sken 261229997Sken#ifdef CTLFEDEBUG 262229997Sken printf("%s: entered\n", __func__); 263229997Sken#endif 264229997Sken 265273317Smav mtx_lock(&ctlfe_list_mtx); 266273317Smav STAILQ_FOREACH(softc, &ctlfe_softc_list, links) { 267273317Smav if (softc->path_id == xpt_path_path_id(path)) 268273317Smav break; 269273317Smav } 270273317Smav mtx_unlock(&ctlfe_list_mtx); 271273317Smav 272229997Sken /* 273229997Sken * When a new path gets registered, and it is capable of target 274229997Sken * mode, go ahead and attach. Later on, we may need to be more 275229997Sken * selective, but for now this will be sufficient. 276229997Sken */ 277229997Sken switch (code) { 278229997Sken case AC_PATH_REGISTERED: { 279268677Smav struct ctl_port *port; 280229997Sken struct ccb_pathinq *cpi; 281229997Sken int retval; 282229997Sken 283229997Sken cpi = (struct ccb_pathinq *)arg; 284229997Sken 285229997Sken /* Don't attach if it doesn't support target mode */ 286229997Sken if ((cpi->target_sprt & PIT_PROCESSOR) == 0) { 287230033Sken#ifdef CTLFEDEBUG 288229997Sken printf("%s: SIM %s%d doesn't support target mode\n", 289229997Sken __func__, cpi->dev_name, cpi->unit_number); 290230033Sken#endif 291229997Sken break; 292229997Sken } 293229997Sken 294273317Smav if (softc != NULL) { 295273317Smav#ifdef CTLFEDEBUG 296273317Smav printf("%s: CTL port for CAM path %u already exists\n", 297273317Smav __func__, xpt_path_path_id(path)); 298273317Smav#endif 299273317Smav break; 300273317Smav } 301273317Smav 302229997Sken#ifdef CTLFE_INIT_ENABLE 303229997Sken if (ctlfe_num_targets >= ctlfe_max_targets) { 304229997Sken union ccb *ccb; 305229997Sken 306229997Sken ccb = (union ccb *)malloc(sizeof(*ccb), M_TEMP, 307229997Sken M_NOWAIT | M_ZERO); 308229997Sken if (ccb == NULL) { 309229997Sken printf("%s: unable to malloc CCB!\n", __func__); 310229997Sken return; 311229997Sken } 312260387Sscottl xpt_setup_ccb(&ccb->ccb_h, path, CAM_PRIORITY_NONE); 313229997Sken 314229997Sken ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 315229997Sken ccb->knob.xport_specific.valid = KNOB_VALID_ROLE; 316229997Sken ccb->knob.xport_specific.fc.role = KNOB_ROLE_INITIATOR; 317229997Sken 318229997Sken xpt_action(ccb); 319229997Sken 320229997Sken if ((ccb->ccb_h.status & CAM_STATUS_MASK) != 321229997Sken CAM_REQ_CMP) { 322229997Sken printf("%s: SIM %s%d (path id %d) initiator " 323229997Sken "enable failed with status %#x\n", 324229997Sken __func__, cpi->dev_name, 325229997Sken cpi->unit_number, cpi->ccb_h.path_id, 326229997Sken ccb->ccb_h.status); 327229997Sken } else { 328229997Sken printf("%s: SIM %s%d (path id %d) initiator " 329229997Sken "enable succeeded\n", 330229997Sken __func__, cpi->dev_name, 331229997Sken cpi->unit_number, cpi->ccb_h.path_id); 332229997Sken } 333229997Sken 334229997Sken free(ccb, M_TEMP); 335229997Sken 336229997Sken break; 337229997Sken } else { 338229997Sken ctlfe_num_targets++; 339229997Sken } 340229997Sken 341229997Sken printf("%s: ctlfe_num_targets = %d\n", __func__, 342229997Sken ctlfe_num_targets); 343229997Sken#endif /* CTLFE_INIT_ENABLE */ 344229997Sken 345229997Sken /* 346229997Sken * We're in an interrupt context here, so we have to 347229997Sken * use M_NOWAIT. Of course this means trouble if we 348229997Sken * can't allocate memory. 349229997Sken */ 350273317Smav softc = malloc(sizeof(*softc), M_CTLFE, M_NOWAIT | M_ZERO); 351273317Smav if (softc == NULL) { 352229997Sken printf("%s: unable to malloc %zd bytes for softc\n", 353273317Smav __func__, sizeof(*softc)); 354229997Sken return; 355229997Sken } 356229997Sken 357273317Smav softc->path_id = cpi->ccb_h.path_id; 358288713Smav softc->target_id = cpi->initiator_id; 359273317Smav softc->sim = xpt_path_sim(path); 360290776Smav softc->hba_misc = cpi->hba_misc; 361265641Smav if (cpi->maxio != 0) 362273317Smav softc->maxio = cpi->maxio; 363265641Smav else 364273317Smav softc->maxio = DFLTPHYS; 365273317Smav mtx_init(&softc->lun_softc_mtx, "LUN softc mtx", NULL, MTX_DEF); 366273317Smav STAILQ_INIT(&softc->lun_softc_list); 367229997Sken 368273317Smav port = &softc->port; 369268677Smav port->frontend = &ctlfe_frontend; 370229997Sken 371229997Sken /* 372229997Sken * XXX KDM should we be more accurate here ? 373229997Sken */ 374229997Sken if (cpi->transport == XPORT_FC) 375268677Smav port->port_type = CTL_PORT_FC; 376268694Smav else if (cpi->transport == XPORT_SAS) 377268694Smav port->port_type = CTL_PORT_SAS; 378229997Sken else 379268677Smav port->port_type = CTL_PORT_SCSI; 380229997Sken 381229997Sken /* XXX KDM what should the real number be here? */ 382268677Smav port->num_requested_ctl_io = 4096; 383273317Smav snprintf(softc->port_name, sizeof(softc->port_name), 384229997Sken "%s%d", cpi->dev_name, cpi->unit_number); 385229997Sken /* 386229997Sken * XXX KDM it would be nice to allocate storage in the 387229997Sken * frontend structure itself. 388229997Sken */ 389273317Smav port->port_name = softc->port_name; 390273319Smav port->physical_port = cpi->bus_id; 391273319Smav port->virtual_port = 0; 392268677Smav port->port_online = ctlfe_online; 393268677Smav port->port_offline = ctlfe_offline; 394273317Smav port->onoff_arg = softc; 395268677Smav port->lun_enable = ctlfe_lun_enable; 396268677Smav port->lun_disable = ctlfe_lun_disable; 397273317Smav port->targ_lun_arg = softc; 398275880Smav port->fe_datamove = ctlfe_datamove; 399275880Smav port->fe_done = ctlfe_done; 400229997Sken /* 401229997Sken * XXX KDM the path inquiry doesn't give us the maximum 402229997Sken * number of targets supported. 403229997Sken */ 404268677Smav port->max_targets = cpi->max_target; 405268677Smav port->max_target_id = cpi->max_target; 406288732Smav port->targ_port = -1; 407229997Sken 408229997Sken /* 409229997Sken * XXX KDM need to figure out whether we're the master or 410229997Sken * slave. 411229997Sken */ 412230033Sken#ifdef CTLFEDEBUG 413268677Smav printf("%s: calling ctl_port_register() for %s%d\n", 414229997Sken __func__, cpi->dev_name, cpi->unit_number); 415230033Sken#endif 416275493Smav retval = ctl_port_register(port); 417229997Sken if (retval != 0) { 418268677Smav printf("%s: ctl_port_register() failed with " 419229997Sken "error %d!\n", __func__, retval); 420273317Smav mtx_destroy(&softc->lun_softc_mtx); 421273317Smav free(softc, M_CTLFE); 422229997Sken break; 423229997Sken } else { 424229997Sken mtx_lock(&ctlfe_list_mtx); 425273317Smav STAILQ_INSERT_TAIL(&ctlfe_softc_list, softc, links); 426229997Sken mtx_unlock(&ctlfe_list_mtx); 427229997Sken } 428229997Sken 429245228Sken break; 430245228Sken } 431245228Sken case AC_PATH_DEREGISTERED: { 432245228Sken 433245228Sken if (softc != NULL) { 434245228Sken /* 435245228Sken * XXX KDM are we certain at this point that there 436245228Sken * are no outstanding commands for this frontend? 437245228Sken */ 438273317Smav mtx_lock(&ctlfe_list_mtx); 439273317Smav STAILQ_REMOVE(&ctlfe_softc_list, softc, ctlfe_softc, 440273317Smav links); 441273317Smav mtx_unlock(&ctlfe_list_mtx); 442268677Smav ctl_port_deregister(&softc->port); 443260387Sscottl mtx_destroy(&softc->lun_softc_mtx); 444245228Sken free(softc, M_CTLFE); 445229997Sken } 446229997Sken break; 447229997Sken } 448229997Sken case AC_CONTRACT: { 449229997Sken struct ac_contract *ac; 450229997Sken 451229997Sken ac = (struct ac_contract *)arg; 452229997Sken 453229997Sken switch (ac->contract_number) { 454229997Sken case AC_CONTRACT_DEV_CHG: { 455229997Sken struct ac_device_changed *dev_chg; 456273317Smav int retval; 457229997Sken 458229997Sken dev_chg = (struct ac_device_changed *)ac->contract_data; 459229997Sken 460236426Smjacob printf("%s: WWPN %#jx port 0x%06x path %u target %u %s\n", 461229997Sken __func__, dev_chg->wwpn, dev_chg->port, 462229997Sken xpt_path_path_id(path), dev_chg->target, 463229997Sken (dev_chg->arrived == 0) ? "left" : "arrived"); 464229997Sken 465273317Smav if (softc == NULL) { 466229997Sken printf("%s: CTL port for CAM path %u not " 467229997Sken "found!\n", __func__, 468229997Sken xpt_path_path_id(path)); 469229997Sken break; 470229997Sken } 471229997Sken if (dev_chg->arrived != 0) { 472268692Smav retval = ctl_add_initiator(&softc->port, 473268692Smav dev_chg->target, dev_chg->wwpn, NULL); 474229997Sken } else { 475268692Smav retval = ctl_remove_initiator(&softc->port, 476268692Smav dev_chg->target); 477229997Sken } 478229997Sken 479268692Smav if (retval < 0) { 480229997Sken printf("%s: could not %s port %d iid %u " 481229997Sken "WWPN %#jx!\n", __func__, 482229997Sken (dev_chg->arrived != 0) ? "add" : 483268677Smav "remove", softc->port.targ_port, 484229997Sken dev_chg->target, 485229997Sken (uintmax_t)dev_chg->wwpn); 486229997Sken } 487229997Sken break; 488229997Sken } 489229997Sken default: 490229997Sken printf("%s: unsupported contract number %ju\n", 491229997Sken __func__, (uintmax_t)ac->contract_number); 492229997Sken break; 493229997Sken } 494229997Sken break; 495229997Sken } 496229997Sken default: 497229997Sken break; 498229997Sken } 499229997Sken} 500229997Sken 501229997Skenstatic cam_status 502229997Skenctlferegister(struct cam_periph *periph, void *arg) 503229997Sken{ 504229997Sken struct ctlfe_softc *bus_softc; 505229997Sken struct ctlfe_lun_softc *softc; 506229997Sken union ccb en_lun_ccb; 507229997Sken cam_status status; 508229997Sken int i; 509229997Sken 510229997Sken softc = (struct ctlfe_lun_softc *)arg; 511229997Sken bus_softc = softc->parent_softc; 512229997Sken 513229997Sken TAILQ_INIT(&softc->work_queue); 514229997Sken softc->periph = periph; 515229997Sken periph->softc = softc; 516229997Sken 517242174Smav xpt_setup_ccb(&en_lun_ccb.ccb_h, periph->path, CAM_PRIORITY_NONE); 518229997Sken en_lun_ccb.ccb_h.func_code = XPT_EN_LUN; 519229997Sken en_lun_ccb.cel.grp6_len = 0; 520229997Sken en_lun_ccb.cel.grp7_len = 0; 521229997Sken en_lun_ccb.cel.enable = 1; 522229997Sken xpt_action(&en_lun_ccb); 523229997Sken status = (en_lun_ccb.ccb_h.status & CAM_STATUS_MASK); 524229997Sken if (status != CAM_REQ_CMP) { 525229997Sken xpt_print(periph->path, "%s: Enable LUN failed, status 0x%x\n", 526229997Sken __func__, en_lun_ccb.ccb_h.status); 527229997Sken return (status); 528229997Sken } 529229997Sken 530229997Sken status = CAM_REQ_CMP; 531229997Sken 532229997Sken for (i = 0; i < CTLFE_ATIO_PER_LUN; i++) { 533229997Sken union ccb *new_ccb; 534275878Smav union ctl_io *new_io; 535288723Smav struct ctlfe_cmd_info *cmd_info; 536229997Sken 537229997Sken new_ccb = (union ccb *)malloc(sizeof(*new_ccb), M_CTLFE, 538236426Smjacob M_ZERO|M_NOWAIT); 539229997Sken if (new_ccb == NULL) { 540229997Sken status = CAM_RESRC_UNAVAIL; 541229997Sken break; 542229997Sken } 543275878Smav new_io = ctl_alloc_io_nowait(bus_softc->port.ctl_pool_ref); 544275878Smav if (new_io == NULL) { 545275878Smav free(new_ccb, M_CTLFE); 546275878Smav status = CAM_RESRC_UNAVAIL; 547275878Smav break; 548275878Smav } 549288723Smav cmd_info = malloc(sizeof(*cmd_info), M_CTLFE, 550288723Smav M_ZERO | M_NOWAIT); 551288723Smav if (cmd_info == NULL) { 552288723Smav ctl_free_io(new_io); 553288723Smav free(new_ccb, M_CTLFE); 554288723Smav status = CAM_RESRC_UNAVAIL; 555288723Smav break; 556288723Smav } 557288723Smav new_io->io_hdr.ctl_private[CTL_PRIV_FRONTEND2].ptr = cmd_info; 558284793Smav softc->atios_alloced++; 559275878Smav new_ccb->ccb_h.io_ptr = new_io; 560275878Smav 561229997Sken xpt_setup_ccb(&new_ccb->ccb_h, periph->path, /*priority*/ 1); 562229997Sken new_ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO; 563229997Sken new_ccb->ccb_h.cbfcnp = ctlfedone; 564260387Sscottl new_ccb->ccb_h.flags |= CAM_UNLOCKED; 565229997Sken xpt_action(new_ccb); 566229997Sken status = new_ccb->ccb_h.status; 567229997Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 568288723Smav free(cmd_info, M_CTLFE); 569275878Smav ctl_free_io(new_io); 570229997Sken free(new_ccb, M_CTLFE); 571229997Sken break; 572229997Sken } 573229997Sken } 574229997Sken 575229997Sken status = cam_periph_acquire(periph); 576229997Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 577229997Sken xpt_print(periph->path, "%s: could not acquire reference " 578229997Sken "count, status = %#x\n", __func__, status); 579229997Sken return (status); 580229997Sken } 581229997Sken 582229997Sken if (i == 0) { 583229997Sken xpt_print(periph->path, "%s: could not allocate ATIO CCBs, " 584229997Sken "status 0x%x\n", __func__, status); 585229997Sken return (CAM_REQ_CMP_ERR); 586229997Sken } 587229997Sken 588229997Sken for (i = 0; i < CTLFE_IN_PER_LUN; i++) { 589229997Sken union ccb *new_ccb; 590275878Smav union ctl_io *new_io; 591229997Sken 592229997Sken new_ccb = (union ccb *)malloc(sizeof(*new_ccb), M_CTLFE, 593236426Smjacob M_ZERO|M_NOWAIT); 594229997Sken if (new_ccb == NULL) { 595229997Sken status = CAM_RESRC_UNAVAIL; 596229997Sken break; 597229997Sken } 598275878Smav new_io = ctl_alloc_io_nowait(bus_softc->port.ctl_pool_ref); 599275878Smav if (new_io == NULL) { 600275878Smav free(new_ccb, M_CTLFE); 601275878Smav status = CAM_RESRC_UNAVAIL; 602275878Smav break; 603275878Smav } 604284793Smav softc->inots_alloced++; 605275878Smav new_ccb->ccb_h.io_ptr = new_io; 606229997Sken 607229997Sken xpt_setup_ccb(&new_ccb->ccb_h, periph->path, /*priority*/ 1); 608229997Sken new_ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 609229997Sken new_ccb->ccb_h.cbfcnp = ctlfedone; 610260387Sscottl new_ccb->ccb_h.flags |= CAM_UNLOCKED; 611229997Sken xpt_action(new_ccb); 612229997Sken status = new_ccb->ccb_h.status; 613237601Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 614237601Sken /* 615237601Sken * Note that we don't free the CCB here. If the 616237601Sken * status is not CAM_REQ_INPROG, then we're 617237601Sken * probably talking to a SIM that says it is 618237601Sken * target-capable but doesn't support the 619237601Sken * XPT_IMMEDIATE_NOTIFY CCB. i.e. it supports the 620237601Sken * older API. In that case, it'll call xpt_done() 621237601Sken * on the CCB, and we need to free it in our done 622237601Sken * routine as a result. 623237601Sken */ 624229997Sken break; 625229997Sken } 626229997Sken } 627237601Sken if ((i == 0) 628237601Sken || (status != CAM_REQ_INPROG)) { 629229997Sken xpt_print(periph->path, "%s: could not allocate immediate " 630229997Sken "notify CCBs, status 0x%x\n", __func__, status); 631229997Sken return (CAM_REQ_CMP_ERR); 632229997Sken } 633275882Smav mtx_lock(&bus_softc->lun_softc_mtx); 634275882Smav STAILQ_INSERT_TAIL(&bus_softc->lun_softc_list, softc, links); 635275882Smav mtx_unlock(&bus_softc->lun_softc_mtx); 636229997Sken return (CAM_REQ_CMP); 637229997Sken} 638229997Sken 639229997Skenstatic void 640229997Skenctlfeoninvalidate(struct cam_periph *periph) 641229997Sken{ 642229997Sken union ccb en_lun_ccb; 643229997Sken cam_status status; 644260387Sscottl struct ctlfe_softc *bus_softc; 645229997Sken struct ctlfe_lun_softc *softc; 646229997Sken 647229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 648229997Sken 649242174Smav xpt_setup_ccb(&en_lun_ccb.ccb_h, periph->path, CAM_PRIORITY_NONE); 650229997Sken en_lun_ccb.ccb_h.func_code = XPT_EN_LUN; 651229997Sken en_lun_ccb.cel.grp6_len = 0; 652229997Sken en_lun_ccb.cel.grp7_len = 0; 653229997Sken en_lun_ccb.cel.enable = 0; 654229997Sken xpt_action(&en_lun_ccb); 655229997Sken status = (en_lun_ccb.ccb_h.status & CAM_STATUS_MASK); 656229997Sken if (status != CAM_REQ_CMP) { 657229997Sken xpt_print(periph->path, "%s: Disable LUN failed, status 0x%x\n", 658229997Sken __func__, en_lun_ccb.ccb_h.status); 659229997Sken /* 660229997Sken * XXX KDM what do we do now? 661229997Sken */ 662229997Sken } 663260387Sscottl 664260387Sscottl bus_softc = softc->parent_softc; 665260387Sscottl mtx_lock(&bus_softc->lun_softc_mtx); 666260387Sscottl STAILQ_REMOVE(&bus_softc->lun_softc_list, softc, ctlfe_lun_softc, links); 667260387Sscottl mtx_unlock(&bus_softc->lun_softc_mtx); 668229997Sken} 669229997Sken 670229997Skenstatic void 671229997Skenctlfecleanup(struct cam_periph *periph) 672229997Sken{ 673229997Sken struct ctlfe_lun_softc *softc; 674229997Sken 675229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 676229997Sken 677284793Smav KASSERT(softc->ccbs_freed == softc->ccbs_alloced, ("%s: " 678284793Smav "ccbs_freed %ju != ccbs_alloced %ju", __func__, 679284793Smav softc->ccbs_freed, softc->ccbs_alloced)); 680284793Smav KASSERT(softc->ctios_returned == softc->ctios_sent, ("%s: " 681284793Smav "ctios_returned %ju != ctios_sent %ju", __func__, 682284793Smav softc->ctios_returned, softc->ctios_sent)); 683284793Smav KASSERT(softc->atios_freed == softc->atios_alloced, ("%s: " 684284793Smav "atios_freed %ju != atios_alloced %ju", __func__, 685284793Smav softc->atios_freed, softc->atios_alloced)); 686284793Smav KASSERT(softc->inots_freed == softc->inots_alloced, ("%s: " 687284793Smav "inots_freed %ju != inots_alloced %ju", __func__, 688284793Smav softc->inots_freed, softc->inots_alloced)); 689245228Sken 690229997Sken free(softc, M_CTLFE); 691229997Sken} 692229997Sken 693229997Skenstatic void 694265641Smavctlfedata(struct ctlfe_lun_softc *softc, union ctl_io *io, 695265641Smav ccb_flags *flags, uint8_t **data_ptr, uint32_t *dxfer_len, 696265641Smav u_int16_t *sglist_cnt) 697265641Smav{ 698265641Smav struct ctlfe_softc *bus_softc; 699288723Smav struct ctlfe_cmd_info *cmd_info; 700265641Smav struct ctl_sg_entry *ctl_sglist; 701265641Smav bus_dma_segment_t *cam_sglist; 702265641Smav size_t off; 703265641Smav int i, idx; 704265641Smav 705288723Smav cmd_info = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND2].ptr; 706265641Smav bus_softc = softc->parent_softc; 707265641Smav 708265641Smav /* 709265641Smav * Set the direction, relative to the initiator. 710265641Smav */ 711265641Smav *flags &= ~CAM_DIR_MASK; 712265641Smav if ((io->io_hdr.flags & CTL_FLAG_DATA_MASK) == CTL_FLAG_DATA_IN) 713265641Smav *flags |= CAM_DIR_IN; 714265641Smav else 715265641Smav *flags |= CAM_DIR_OUT; 716265641Smav 717265641Smav *flags &= ~CAM_DATA_MASK; 718265641Smav idx = cmd_info->cur_transfer_index; 719265641Smav off = cmd_info->cur_transfer_off; 720265641Smav cmd_info->flags &= ~CTLFE_CMD_PIECEWISE; 721265641Smav if (io->scsiio.kern_sg_entries == 0) { 722265641Smav /* No S/G list. */ 723265641Smav *data_ptr = io->scsiio.kern_data_ptr + off; 724265641Smav if (io->scsiio.kern_data_len - off <= bus_softc->maxio) { 725265641Smav *dxfer_len = io->scsiio.kern_data_len - off; 726265641Smav } else { 727265641Smav *dxfer_len = bus_softc->maxio; 728265641Smav cmd_info->cur_transfer_index = -1; 729265641Smav cmd_info->cur_transfer_off = bus_softc->maxio; 730265641Smav cmd_info->flags |= CTLFE_CMD_PIECEWISE; 731265641Smav } 732265641Smav *sglist_cnt = 0; 733265641Smav 734265641Smav if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) 735265641Smav *flags |= CAM_DATA_PADDR; 736265641Smav else 737265641Smav *flags |= CAM_DATA_VADDR; 738265641Smav } else { 739265641Smav /* S/G list with physical or virtual pointers. */ 740265641Smav ctl_sglist = (struct ctl_sg_entry *)io->scsiio.kern_data_ptr; 741265641Smav cam_sglist = cmd_info->cam_sglist; 742265641Smav *dxfer_len = 0; 743265641Smav for (i = 0; i < io->scsiio.kern_sg_entries - idx; i++) { 744265641Smav cam_sglist[i].ds_addr = (bus_addr_t)ctl_sglist[i + idx].addr + off; 745265641Smav if (ctl_sglist[i + idx].len - off <= bus_softc->maxio - *dxfer_len) { 746265641Smav cam_sglist[i].ds_len = ctl_sglist[idx + i].len - off; 747265641Smav *dxfer_len += cam_sglist[i].ds_len; 748265641Smav } else { 749265641Smav cam_sglist[i].ds_len = bus_softc->maxio - *dxfer_len; 750265641Smav cmd_info->cur_transfer_index = idx + i; 751265641Smav cmd_info->cur_transfer_off = cam_sglist[i].ds_len + off; 752265641Smav cmd_info->flags |= CTLFE_CMD_PIECEWISE; 753265641Smav *dxfer_len += cam_sglist[i].ds_len; 754265641Smav if (ctl_sglist[i].len != 0) 755265641Smav i++; 756265641Smav break; 757265641Smav } 758265641Smav if (i == (CTLFE_MAX_SEGS - 1) && 759265641Smav idx + i < (io->scsiio.kern_sg_entries - 1)) { 760265641Smav cmd_info->cur_transfer_index = idx + i + 1; 761265641Smav cmd_info->cur_transfer_off = 0; 762265641Smav cmd_info->flags |= CTLFE_CMD_PIECEWISE; 763265641Smav i++; 764265641Smav break; 765265641Smav } 766265641Smav off = 0; 767265641Smav } 768265641Smav *sglist_cnt = i; 769265641Smav if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) 770265641Smav *flags |= CAM_DATA_SG_PADDR; 771265641Smav else 772265641Smav *flags |= CAM_DATA_SG; 773265641Smav *data_ptr = (uint8_t *)cam_sglist; 774265641Smav } 775265641Smav} 776265641Smav 777265641Smavstatic void 778229997Skenctlfestart(struct cam_periph *periph, union ccb *start_ccb) 779229997Sken{ 780229997Sken struct ctlfe_lun_softc *softc; 781288723Smav struct ctlfe_cmd_info *cmd_info; 782229997Sken struct ccb_hdr *ccb_h; 783275880Smav struct ccb_accept_tio *atio; 784275880Smav struct ccb_scsiio *csio; 785275880Smav uint8_t *data_ptr; 786275880Smav uint32_t dxfer_len; 787275880Smav ccb_flags flags; 788275880Smav union ctl_io *io; 789275880Smav uint8_t scsi_status; 790229997Sken 791229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 792229997Sken softc->ccbs_alloced++; 793229997Sken 794229997Sken ccb_h = TAILQ_FIRST(&softc->work_queue); 795260387Sscottl if (ccb_h == NULL) { 796229997Sken softc->ccbs_freed++; 797229997Sken xpt_release_ccb(start_ccb); 798275880Smav return; 799275880Smav } 800229997Sken 801275880Smav /* Take the ATIO off the work queue */ 802275880Smav TAILQ_REMOVE(&softc->work_queue, ccb_h, periph_links.tqe); 803275880Smav atio = (struct ccb_accept_tio *)ccb_h; 804275880Smav io = (union ctl_io *)ccb_h->io_ptr; 805275880Smav csio = &start_ccb->csio; 806229997Sken 807275880Smav flags = atio->ccb_h.flags & 808275880Smav (CAM_DIS_DISCONNECT|CAM_TAG_ACTION_VALID|CAM_DIR_MASK); 809288723Smav cmd_info = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND2].ptr; 810275881Smav cmd_info->cur_transfer_index = 0; 811275881Smav cmd_info->cur_transfer_off = 0; 812275881Smav cmd_info->flags = 0; 813229997Sken 814275880Smav if (io->io_hdr.flags & CTL_FLAG_DMA_QUEUED) { 815275880Smav /* 816275880Smav * Datamove call, we need to setup the S/G list. 817275880Smav */ 818275880Smav scsi_status = 0; 819275880Smav csio->cdb_len = atio->cdb_len; 820275880Smav ctlfedata(softc, io, &flags, &data_ptr, &dxfer_len, 821275880Smav &csio->sglist_cnt); 822275880Smav io->scsiio.ext_data_filled += dxfer_len; 823275880Smav if (io->scsiio.ext_data_filled > io->scsiio.kern_total_len) { 824275880Smav xpt_print(periph->path, "%s: tag 0x%04x " 825275880Smav "fill len %u > total %u\n", 826275880Smav __func__, io->scsiio.tag_num, 827275880Smav io->scsiio.ext_data_filled, 828275880Smav io->scsiio.kern_total_len); 829275880Smav } 830275880Smav } else { 831275880Smav /* 832275880Smav * We're done, send status back. 833275880Smav */ 834275880Smav if ((io->io_hdr.flags & CTL_FLAG_ABORT) && 835275880Smav (io->io_hdr.flags & CTL_FLAG_ABORT_STATUS) == 0) { 836275880Smav io->io_hdr.flags &= ~CTL_FLAG_STATUS_QUEUED; 837275880Smav 838229997Sken /* 839275880Smav * If this command was aborted, we don't 840275880Smav * need to send status back to the SIM. 841275880Smav * Just free the CTIO and ctl_io, and 842275880Smav * recycle the ATIO back to the SIM. 843229997Sken */ 844275880Smav xpt_print(periph->path, "%s: aborted " 845275880Smav "command 0x%04x discarded\n", 846275880Smav __func__, io->scsiio.tag_num); 847275880Smav /* 848275880Smav * For a wildcard attachment, commands can 849275880Smav * come in with a specific target/lun. Reset 850275880Smav * the target and LUN fields back to the 851275880Smav * wildcard values before we send them back 852275880Smav * down to the SIM. The SIM has a wildcard 853275880Smav * LUN enabled, not whatever target/lun 854275880Smav * these happened to be. 855275880Smav */ 856275880Smav if (softc->flags & CTLFE_LUN_WILDCARD) { 857275880Smav atio->ccb_h.target_id = CAM_TARGET_WILDCARD; 858275880Smav atio->ccb_h.target_lun = CAM_LUN_WILDCARD; 859275880Smav } 860229997Sken 861275880Smav if (atio->ccb_h.func_code != XPT_ACCEPT_TARGET_IO) { 862275880Smav xpt_print(periph->path, "%s: func_code " 863275880Smav "is %#x\n", __func__, 864275880Smav atio->ccb_h.func_code); 865275880Smav } 866275880Smav start_ccb->ccb_h.func_code = XPT_ABORT; 867275880Smav start_ccb->cab.abort_ccb = (union ccb *)atio; 868229997Sken 869275880Smav /* Tell the SIM that we've aborted this ATIO */ 870275880Smav xpt_action(start_ccb); 871275880Smav softc->ccbs_freed++; 872275880Smav xpt_release_ccb(start_ccb); 873229997Sken 874229997Sken /* 875275880Smav * Send the ATIO back down to the SIM. 876229997Sken */ 877275880Smav xpt_action((union ccb *)atio); 878229997Sken 879229997Sken /* 880275880Smav * If we still have work to do, ask for 881275880Smav * another CCB. Otherwise, deactivate our 882275880Smav * callout. 883229997Sken */ 884275880Smav if (!TAILQ_EMPTY(&softc->work_queue)) 885275880Smav xpt_schedule(periph, /*priority*/ 1); 886275880Smav return; 887275880Smav } 888275881Smav data_ptr = NULL; 889275881Smav dxfer_len = 0; 890275881Smav csio->sglist_cnt = 0; 891275881Smav scsi_status = 0; 892275881Smav } 893275881Smav if ((io->io_hdr.flags & CTL_FLAG_STATUS_QUEUED) && 894275881Smav (cmd_info->flags & CTLFE_CMD_PIECEWISE) == 0 && 895275881Smav ((io->io_hdr.flags & CTL_FLAG_DMA_QUEUED) == 0 || 896275881Smav io->io_hdr.status == CTL_SUCCESS)) { 897275880Smav flags |= CAM_SEND_STATUS; 898275880Smav scsi_status = io->scsiio.scsi_status; 899275880Smav csio->sense_len = io->scsiio.sense_len; 900275880Smav#ifdef CTLFEDEBUG 901275880Smav printf("%s: tag %04x status %x\n", __func__, 902275880Smav atio->tag_id, io->io_hdr.status); 903275880Smav#endif 904275880Smav if (csio->sense_len != 0) { 905275880Smav csio->sense_data = io->scsiio.sense_data; 906275880Smav flags |= CAM_SEND_SENSE; 907275880Smav } else if (scsi_status == SCSI_STATUS_CHECK_COND) { 908275880Smav xpt_print(periph->path, "%s: check condition " 909275880Smav "with no sense\n", __func__); 910229997Sken } 911275880Smav } 912229997Sken 913229997Sken#ifdef CTLFEDEBUG 914275880Smav printf("%s: %s: tag %04x flags %x ptr %p len %u\n", __func__, 915275880Smav (flags & CAM_SEND_STATUS) ? "done" : "datamove", 916275880Smav atio->tag_id, flags, data_ptr, dxfer_len); 917229997Sken#endif 918229997Sken 919275880Smav /* 920275880Smav * Valid combinations: 921275880Smav * - CAM_SEND_STATUS, CAM_DATA_SG = 0, dxfer_len = 0, 922275880Smav * sglist_cnt = 0 923275880Smav * - CAM_SEND_STATUS = 0, CAM_DATA_SG = 0, dxfer_len != 0, 924275880Smav * sglist_cnt = 0 925275880Smav * - CAM_SEND_STATUS = 0, CAM_DATA_SG, dxfer_len != 0, 926275880Smav * sglist_cnt != 0 927275880Smav */ 928229997Sken#ifdef CTLFEDEBUG 929275880Smav if (((flags & CAM_SEND_STATUS) 930275880Smav && (((flags & CAM_DATA_SG) != 0) 931275880Smav || (dxfer_len != 0) 932275880Smav || (csio->sglist_cnt != 0))) 933275880Smav || (((flags & CAM_SEND_STATUS) == 0) 934275880Smav && (dxfer_len == 0)) 935275880Smav || ((flags & CAM_DATA_SG) 936275880Smav && (csio->sglist_cnt == 0)) 937275880Smav || (((flags & CAM_DATA_SG) == 0) 938275880Smav && (csio->sglist_cnt != 0))) { 939275880Smav printf("%s: tag %04x cdb %02x flags %#x dxfer_len " 940275880Smav "%d sg %u\n", __func__, atio->tag_id, 941275880Smav atio->cdb_io.cdb_bytes[0], flags, dxfer_len, 942275880Smav csio->sglist_cnt); 943275880Smav printf("%s: tag %04x io status %#x\n", __func__, 944275880Smav atio->tag_id, io->io_hdr.status); 945275880Smav } 946229997Sken#endif 947275880Smav cam_fill_ctio(csio, 948275880Smav /*retries*/ 2, 949275880Smav ctlfedone, 950275880Smav flags, 951275880Smav (flags & CAM_TAG_ACTION_VALID) ? MSG_SIMPLE_Q_TAG : 0, 952275880Smav atio->tag_id, 953275880Smav atio->init_id, 954275880Smav scsi_status, 955275880Smav /*data_ptr*/ data_ptr, 956275880Smav /*dxfer_len*/ dxfer_len, 957275880Smav /*timeout*/ 5 * 1000); 958275880Smav start_ccb->ccb_h.flags |= CAM_UNLOCKED; 959275880Smav start_ccb->ccb_h.ccb_atio = atio; 960275880Smav if (io->io_hdr.flags & CTL_FLAG_DMA_QUEUED) 961275880Smav io->io_hdr.flags |= CTL_FLAG_DMA_INPROG; 962275880Smav io->io_hdr.flags &= ~(CTL_FLAG_DMA_QUEUED | CTL_FLAG_STATUS_QUEUED); 963229997Sken 964275880Smav softc->ctios_sent++; 965229997Sken 966275880Smav cam_periph_unlock(periph); 967275880Smav xpt_action(start_ccb); 968275880Smav cam_periph_lock(periph); 969229997Sken 970229997Sken /* 971275880Smav * If we still have work to do, ask for another CCB. 972229997Sken */ 973275880Smav if (!TAILQ_EMPTY(&softc->work_queue)) 974229997Sken xpt_schedule(periph, /*priority*/ 1); 975229997Sken} 976229997Sken 977229997Skenstatic void 978229997Skenctlfe_free_ccb(struct cam_periph *periph, union ccb *ccb) 979229997Sken{ 980229997Sken struct ctlfe_lun_softc *softc; 981288723Smav union ctl_io *io; 982288723Smav struct ctlfe_cmd_info *cmd_info; 983229997Sken 984229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 985288723Smav io = ccb->ccb_h.io_ptr; 986229997Sken 987229997Sken switch (ccb->ccb_h.func_code) { 988229997Sken case XPT_ACCEPT_TARGET_IO: 989284793Smav softc->atios_freed++; 990288723Smav cmd_info = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND2].ptr; 991288723Smav free(cmd_info, M_CTLFE); 992229997Sken break; 993229997Sken case XPT_IMMEDIATE_NOTIFY: 994229997Sken case XPT_NOTIFY_ACKNOWLEDGE: 995284793Smav softc->inots_freed++; 996229997Sken break; 997229997Sken default: 998229997Sken break; 999229997Sken } 1000229997Sken 1001288723Smav ctl_free_io(io); 1002229997Sken free(ccb, M_CTLFE); 1003229997Sken 1004284793Smav KASSERT(softc->atios_freed <= softc->atios_alloced, ("%s: " 1005284793Smav "atios_freed %ju > atios_alloced %ju", __func__, 1006284793Smav softc->atios_freed, softc->atios_alloced)); 1007284793Smav KASSERT(softc->inots_freed <= softc->inots_alloced, ("%s: " 1008284793Smav "inots_freed %ju > inots_alloced %ju", __func__, 1009284793Smav softc->inots_freed, softc->inots_alloced)); 1010229997Sken 1011229997Sken /* 1012229997Sken * If we have received all of our CCBs, we can release our 1013229997Sken * reference on the peripheral driver. It will probably go away 1014229997Sken * now. 1015229997Sken */ 1016284793Smav if ((softc->atios_freed == softc->atios_alloced) 1017284793Smav && (softc->inots_freed == softc->inots_alloced)) { 1018229997Sken cam_periph_release_locked(periph); 1019229997Sken } 1020229997Sken} 1021229997Sken 1022238870Smjacobstatic int 1023238870Smjacobctlfe_adjust_cdb(struct ccb_accept_tio *atio, uint32_t offset) 1024238870Smjacob{ 1025238870Smjacob uint64_t lba; 1026238870Smjacob uint32_t num_blocks, nbc; 1027238870Smjacob uint8_t *cmdbyt = (atio->ccb_h.flags & CAM_CDB_POINTER)? 1028238870Smjacob atio->cdb_io.cdb_ptr : atio->cdb_io.cdb_bytes; 1029238870Smjacob 1030238870Smjacob nbc = offset >> 9; /* ASSUMING 512 BYTE BLOCKS */ 1031238870Smjacob 1032238870Smjacob switch (cmdbyt[0]) { 1033238870Smjacob case READ_6: 1034238870Smjacob case WRITE_6: 1035238870Smjacob { 1036238870Smjacob struct scsi_rw_6 *cdb = (struct scsi_rw_6 *)cmdbyt; 1037238870Smjacob lba = scsi_3btoul(cdb->addr); 1038238870Smjacob lba &= 0x1fffff; 1039238870Smjacob num_blocks = cdb->length; 1040238870Smjacob if (num_blocks == 0) 1041238870Smjacob num_blocks = 256; 1042238870Smjacob lba += nbc; 1043238870Smjacob num_blocks -= nbc; 1044238870Smjacob scsi_ulto3b(lba, cdb->addr); 1045238870Smjacob cdb->length = num_blocks; 1046238870Smjacob break; 1047238870Smjacob } 1048238870Smjacob case READ_10: 1049238870Smjacob case WRITE_10: 1050238870Smjacob { 1051238870Smjacob struct scsi_rw_10 *cdb = (struct scsi_rw_10 *)cmdbyt; 1052238870Smjacob lba = scsi_4btoul(cdb->addr); 1053238870Smjacob num_blocks = scsi_2btoul(cdb->length); 1054238870Smjacob lba += nbc; 1055238870Smjacob num_blocks -= nbc; 1056238870Smjacob scsi_ulto4b(lba, cdb->addr); 1057238870Smjacob scsi_ulto2b(num_blocks, cdb->length); 1058238870Smjacob break; 1059238870Smjacob } 1060238870Smjacob case READ_12: 1061238870Smjacob case WRITE_12: 1062238870Smjacob { 1063238870Smjacob struct scsi_rw_12 *cdb = (struct scsi_rw_12 *)cmdbyt; 1064238870Smjacob lba = scsi_4btoul(cdb->addr); 1065238870Smjacob num_blocks = scsi_4btoul(cdb->length); 1066238870Smjacob lba += nbc; 1067238870Smjacob num_blocks -= nbc; 1068238870Smjacob scsi_ulto4b(lba, cdb->addr); 1069238870Smjacob scsi_ulto4b(num_blocks, cdb->length); 1070238870Smjacob break; 1071238870Smjacob } 1072238870Smjacob case READ_16: 1073238870Smjacob case WRITE_16: 1074238870Smjacob { 1075238870Smjacob struct scsi_rw_16 *cdb = (struct scsi_rw_16 *)cmdbyt; 1076238870Smjacob lba = scsi_8btou64(cdb->addr); 1077238870Smjacob num_blocks = scsi_4btoul(cdb->length); 1078238870Smjacob lba += nbc; 1079238870Smjacob num_blocks -= nbc; 1080238870Smjacob scsi_u64to8b(lba, cdb->addr); 1081238870Smjacob scsi_ulto4b(num_blocks, cdb->length); 1082238870Smjacob break; 1083238870Smjacob } 1084238870Smjacob default: 1085238870Smjacob return -1; 1086238870Smjacob } 1087238870Smjacob return (0); 1088238870Smjacob} 1089238870Smjacob 1090229997Skenstatic void 1091229997Skenctlfedone(struct cam_periph *periph, union ccb *done_ccb) 1092229997Sken{ 1093229997Sken struct ctlfe_lun_softc *softc; 1094229997Sken struct ctlfe_softc *bus_softc; 1095288723Smav struct ctlfe_cmd_info *cmd_info; 1096238870Smjacob struct ccb_accept_tio *atio = NULL; 1097238870Smjacob union ctl_io *io = NULL; 1098260387Sscottl struct mtx *mtx; 1099229997Sken 1100260387Sscottl KASSERT((done_ccb->ccb_h.flags & CAM_UNLOCKED) != 0, 1101260387Sscottl ("CCB in ctlfedone() without CAM_UNLOCKED flag")); 1102229997Sken#ifdef CTLFE_DEBUG 1103275878Smav printf("%s: entered, func_code = %#x\n", __func__, 1104275878Smav done_ccb->ccb_h.func_code); 1105229997Sken#endif 1106229997Sken 1107284794Smav /* 1108284794Smav * At this point CTL has no known use case for device queue freezes. 1109284794Smav * In case some SIM think different -- drop its freeze right here. 1110284794Smav */ 1111284794Smav if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1112284794Smav cam_release_devq(periph->path, 1113284794Smav /*relsim_flags*/0, 1114284794Smav /*reduction*/0, 1115284794Smav /*timeout*/0, 1116284794Smav /*getcount_only*/0); 1117284794Smav done_ccb->ccb_h.status &= ~CAM_DEV_QFRZN; 1118284794Smav } 1119284794Smav 1120229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 1121229997Sken bus_softc = softc->parent_softc; 1122260387Sscottl mtx = cam_periph_mtx(periph); 1123260387Sscottl mtx_lock(mtx); 1124229997Sken 1125229997Sken /* 1126229997Sken * If the peripheral is invalid, ATIOs and immediate notify CCBs 1127229997Sken * need to be freed. Most of the ATIOs and INOTs that come back 1128229997Sken * will be CCBs that are being returned from the SIM as a result of 1129229997Sken * our disabling the LUN. 1130229997Sken * 1131229997Sken * Other CCB types are handled in their respective cases below. 1132229997Sken */ 1133229997Sken if (periph->flags & CAM_PERIPH_INVALID) { 1134229997Sken switch (done_ccb->ccb_h.func_code) { 1135229997Sken case XPT_ACCEPT_TARGET_IO: 1136229997Sken case XPT_IMMEDIATE_NOTIFY: 1137229997Sken case XPT_NOTIFY_ACKNOWLEDGE: 1138229997Sken ctlfe_free_ccb(periph, done_ccb); 1139260387Sscottl goto out; 1140229997Sken default: 1141229997Sken break; 1142229997Sken } 1143229997Sken 1144229997Sken } 1145229997Sken switch (done_ccb->ccb_h.func_code) { 1146229997Sken case XPT_ACCEPT_TARGET_IO: { 1147229997Sken 1148229997Sken atio = &done_ccb->atio; 1149229997Sken 1150238870Smjacob resubmit: 1151229997Sken /* 1152229997Sken * Allocate a ctl_io, pass it to CTL, and wait for the 1153229997Sken * datamove or done. 1154229997Sken */ 1155260387Sscottl mtx_unlock(mtx); 1156275878Smav io = done_ccb->ccb_h.io_ptr; 1157288723Smav cmd_info = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND2].ptr; 1158229997Sken ctl_zero_io(io); 1159229997Sken 1160229997Sken /* Save pointers on both sides */ 1161229997Sken io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = done_ccb; 1162288723Smav io->io_hdr.ctl_private[CTL_PRIV_FRONTEND2].ptr = cmd_info; 1163229997Sken done_ccb->ccb_h.io_ptr = io; 1164229997Sken 1165229997Sken /* 1166229997Sken * Only SCSI I/O comes down this path, resets, etc. come 1167229997Sken * down the immediate notify path below. 1168229997Sken */ 1169229997Sken io->io_hdr.io_type = CTL_IO_SCSI; 1170288731Smav io->io_hdr.nexus.initid = atio->init_id; 1171268677Smav io->io_hdr.nexus.targ_port = bus_softc->port.targ_port; 1172290776Smav if (bus_softc->hba_misc & PIM_EXTLUNS) { 1173290776Smav io->io_hdr.nexus.targ_lun = ctl_decode_lun( 1174290776Smav CAM_EXTLUN_BYTE_SWIZZLE(atio->ccb_h.target_lun)); 1175290776Smav } else { 1176290776Smav io->io_hdr.nexus.targ_lun = atio->ccb_h.target_lun; 1177290776Smav } 1178229997Sken io->scsiio.tag_num = atio->tag_id; 1179229997Sken switch (atio->tag_action) { 1180229997Sken case CAM_TAG_ACTION_NONE: 1181229997Sken io->scsiio.tag_type = CTL_TAG_UNTAGGED; 1182229997Sken break; 1183229997Sken case MSG_SIMPLE_TASK: 1184229997Sken io->scsiio.tag_type = CTL_TAG_SIMPLE; 1185229997Sken break; 1186229997Sken case MSG_HEAD_OF_QUEUE_TASK: 1187229997Sken io->scsiio.tag_type = CTL_TAG_HEAD_OF_QUEUE; 1188229997Sken break; 1189229997Sken case MSG_ORDERED_TASK: 1190229997Sken io->scsiio.tag_type = CTL_TAG_ORDERED; 1191229997Sken break; 1192229997Sken case MSG_ACA_TASK: 1193229997Sken io->scsiio.tag_type = CTL_TAG_ACA; 1194229997Sken break; 1195229997Sken default: 1196229997Sken io->scsiio.tag_type = CTL_TAG_UNTAGGED; 1197229997Sken printf("%s: unhandled tag type %#x!!\n", __func__, 1198229997Sken atio->tag_action); 1199229997Sken break; 1200229997Sken } 1201229997Sken if (atio->cdb_len > sizeof(io->scsiio.cdb)) { 1202229997Sken printf("%s: WARNING: CDB len %d > ctl_io space %zd\n", 1203229997Sken __func__, atio->cdb_len, sizeof(io->scsiio.cdb)); 1204229997Sken } 1205229997Sken io->scsiio.cdb_len = min(atio->cdb_len, sizeof(io->scsiio.cdb)); 1206229997Sken bcopy(atio->cdb_io.cdb_bytes, io->scsiio.cdb, 1207229997Sken io->scsiio.cdb_len); 1208229997Sken 1209229997Sken#ifdef CTLFEDEBUG 1210288731Smav printf("%s: %u:%u:%u: tag %04x CDB %02x\n", __func__, 1211288731Smav io->io_hdr.nexus.initid, 1212229997Sken io->io_hdr.nexus.targ_port, 1213229997Sken io->io_hdr.nexus.targ_lun, 1214229997Sken io->scsiio.tag_num, io->scsiio.cdb[0]); 1215229997Sken#endif 1216229997Sken 1217229997Sken ctl_queue(io); 1218260387Sscottl return; 1219229997Sken } 1220229997Sken case XPT_CONT_TARGET_IO: { 1221238870Smjacob int srr = 0; 1222238870Smjacob uint32_t srr_off = 0; 1223229997Sken 1224229997Sken atio = (struct ccb_accept_tio *)done_ccb->ccb_h.ccb_atio; 1225229997Sken io = (union ctl_io *)atio->ccb_h.io_ptr; 1226229997Sken 1227229997Sken softc->ctios_returned++; 1228229997Sken#ifdef CTLFEDEBUG 1229229997Sken printf("%s: got XPT_CONT_TARGET_IO tag %#x flags %#x\n", 1230229997Sken __func__, atio->tag_id, done_ccb->ccb_h.flags); 1231229997Sken#endif 1232229997Sken /* 1233238870Smjacob * Handle SRR case were the data pointer is pushed back hack 1234238870Smjacob */ 1235238870Smjacob if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_MESSAGE_RECV 1236238870Smjacob && done_ccb->csio.msg_ptr != NULL 1237238870Smjacob && done_ccb->csio.msg_ptr[0] == MSG_EXTENDED 1238238870Smjacob && done_ccb->csio.msg_ptr[1] == 5 1239238870Smjacob && done_ccb->csio.msg_ptr[2] == 0) { 1240238870Smjacob srr = 1; 1241238870Smjacob srr_off = 1242238870Smjacob (done_ccb->csio.msg_ptr[3] << 24) 1243238870Smjacob | (done_ccb->csio.msg_ptr[4] << 16) 1244238870Smjacob | (done_ccb->csio.msg_ptr[5] << 8) 1245238870Smjacob | (done_ccb->csio.msg_ptr[6]); 1246238870Smjacob } 1247238870Smjacob 1248275880Smav if (srr && (io->io_hdr.flags & CTL_FLAG_DMA_INPROG) == 0) { 1249238870Smjacob /* 1250238870Smjacob * If status was being sent, the back end data is now 1251238870Smjacob * history. Hack it up and resubmit a new command with 1252238870Smjacob * the CDB adjusted. If the SIM does the right thing, 1253238870Smjacob * all of the resid math should work. 1254238870Smjacob */ 1255238870Smjacob softc->ccbs_freed++; 1256238870Smjacob xpt_release_ccb(done_ccb); 1257238870Smjacob if (ctlfe_adjust_cdb(atio, srr_off) == 0) { 1258238870Smjacob done_ccb = (union ccb *)atio; 1259238870Smjacob goto resubmit; 1260238870Smjacob } 1261238870Smjacob /* 1262238870Smjacob * Fall through to doom.... 1263238870Smjacob */ 1264238870Smjacob } else if (srr) { 1265238870Smjacob /* 1266238870Smjacob * If we have an srr and we're still sending data, we 1267238870Smjacob * should be able to adjust offsets and cycle again. 1268238870Smjacob */ 1269238870Smjacob io->scsiio.kern_rel_offset = 1270238870Smjacob io->scsiio.ext_data_filled = srr_off; 1271238870Smjacob io->scsiio.ext_data_len = io->scsiio.kern_total_len - 1272238870Smjacob io->scsiio.kern_rel_offset; 1273238870Smjacob softc->ccbs_freed++; 1274238870Smjacob io->scsiio.io_hdr.status = CTL_STATUS_NONE; 1275238870Smjacob xpt_release_ccb(done_ccb); 1276238870Smjacob TAILQ_INSERT_HEAD(&softc->work_queue, &atio->ccb_h, 1277238870Smjacob periph_links.tqe); 1278238870Smjacob xpt_schedule(periph, /*priority*/ 1); 1279260387Sscottl break; 1280238870Smjacob } 1281238870Smjacob 1282277919Smav if ((done_ccb->ccb_h.flags & CAM_SEND_STATUS) && 1283277919Smav (done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) 1284277919Smav io->io_hdr.flags |= CTL_FLAG_STATUS_SENT; 1285277919Smav 1286238870Smjacob /* 1287229997Sken * If we were sending status back to the initiator, free up 1288229997Sken * resources. If we were doing a datamove, call the 1289229997Sken * datamove done routine. 1290229997Sken */ 1291275880Smav if ((io->io_hdr.flags & CTL_FLAG_DMA_INPROG) == 0) { 1292229997Sken softc->ccbs_freed++; 1293229997Sken xpt_release_ccb(done_ccb); 1294229997Sken /* 1295229997Sken * For a wildcard attachment, commands can come in 1296229997Sken * with a specific target/lun. Reset the target 1297229997Sken * and LUN fields back to the wildcard values before 1298229997Sken * we send them back down to the SIM. The SIM has 1299229997Sken * a wildcard LUN enabled, not whatever target/lun 1300229997Sken * these happened to be. 1301229997Sken */ 1302229997Sken if (softc->flags & CTLFE_LUN_WILDCARD) { 1303229997Sken atio->ccb_h.target_id = CAM_TARGET_WILDCARD; 1304229997Sken atio->ccb_h.target_lun = CAM_LUN_WILDCARD; 1305229997Sken } 1306229997Sken if (periph->flags & CAM_PERIPH_INVALID) { 1307229997Sken ctlfe_free_ccb(periph, (union ccb *)atio); 1308229997Sken } else { 1309260387Sscottl mtx_unlock(mtx); 1310229997Sken xpt_action((union ccb *)atio); 1311260387Sscottl return; 1312229997Sken } 1313229997Sken } else { 1314288723Smav struct ctlfe_cmd_info *cmd_info; 1315229997Sken struct ccb_scsiio *csio; 1316229997Sken 1317229997Sken csio = &done_ccb->csio; 1318288723Smav cmd_info = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND2].ptr; 1319229997Sken 1320229997Sken io->io_hdr.flags &= ~CTL_FLAG_DMA_INPROG; 1321229997Sken 1322229997Sken io->scsiio.ext_data_len += csio->dxfer_len; 1323229997Sken if (io->scsiio.ext_data_len > 1324229997Sken io->scsiio.kern_total_len) { 1325229997Sken xpt_print(periph->path, "%s: tag 0x%04x " 1326229997Sken "done len %u > total %u sent %u\n", 1327229997Sken __func__, io->scsiio.tag_num, 1328229997Sken io->scsiio.ext_data_len, 1329229997Sken io->scsiio.kern_total_len, 1330229997Sken io->scsiio.ext_data_filled); 1331229997Sken } 1332229997Sken /* 1333229997Sken * Translate CAM status to CTL status. Success 1334229997Sken * does not change the overall, ctl_io status. In 1335229997Sken * that case we just set port_status to 0. If we 1336229997Sken * have a failure, though, set a data phase error 1337229997Sken * for the overall ctl_io. 1338229997Sken */ 1339229997Sken switch (done_ccb->ccb_h.status & CAM_STATUS_MASK) { 1340229997Sken case CAM_REQ_CMP: 1341229997Sken io->io_hdr.port_status = 0; 1342229997Sken break; 1343229997Sken default: 1344229997Sken /* 1345245228Sken * XXX KDM we probably need to figure out a 1346245228Sken * standard set of errors that the SIM 1347245228Sken * drivers should return in the event of a 1348245228Sken * data transfer failure. A data phase 1349245228Sken * error will at least point the user to a 1350245228Sken * data transfer error of some sort. 1351245228Sken * Hopefully the SIM printed out some 1352245228Sken * additional information to give the user 1353245228Sken * a clue what happened. 1354229997Sken */ 1355229997Sken io->io_hdr.port_status = 0xbad1; 1356229997Sken ctl_set_data_phase_error(&io->scsiio); 1357229997Sken /* 1358229997Sken * XXX KDM figure out residual. 1359229997Sken */ 1360229997Sken break; 1361229997Sken } 1362229997Sken /* 1363229997Sken * If we had to break this S/G list into multiple 1364229997Sken * pieces, figure out where we are in the list, and 1365229997Sken * continue sending pieces if necessary. 1366229997Sken */ 1367229997Sken if ((cmd_info->flags & CTLFE_CMD_PIECEWISE) 1368265641Smav && (io->io_hdr.port_status == 0)) { 1369229997Sken ccb_flags flags; 1370229997Sken uint8_t scsi_status; 1371229997Sken uint8_t *data_ptr; 1372229997Sken uint32_t dxfer_len; 1373229997Sken 1374229997Sken flags = atio->ccb_h.flags & 1375229997Sken (CAM_DIS_DISCONNECT| 1376265641Smav CAM_TAG_ACTION_VALID); 1377229997Sken 1378265641Smav ctlfedata(softc, io, &flags, &data_ptr, 1379265641Smav &dxfer_len, &csio->sglist_cnt); 1380229997Sken 1381229997Sken scsi_status = 0; 1382229997Sken 1383229997Sken if (((flags & CAM_SEND_STATUS) == 0) 1384229997Sken && (dxfer_len == 0)) { 1385229997Sken printf("%s: tag %04x no status or " 1386229997Sken "len cdb = %02x\n", __func__, 1387229997Sken atio->tag_id, 1388229997Sken atio->cdb_io.cdb_bytes[0]); 1389229997Sken printf("%s: tag %04x io status %#x\n", 1390229997Sken __func__, atio->tag_id, 1391229997Sken io->io_hdr.status); 1392229997Sken } 1393229997Sken 1394229997Sken cam_fill_ctio(csio, 1395229997Sken /*retries*/ 2, 1396229997Sken ctlfedone, 1397229997Sken flags, 1398229997Sken (flags & CAM_TAG_ACTION_VALID) ? 1399229997Sken MSG_SIMPLE_Q_TAG : 0, 1400229997Sken atio->tag_id, 1401229997Sken atio->init_id, 1402229997Sken scsi_status, 1403229997Sken /*data_ptr*/ data_ptr, 1404229997Sken /*dxfer_len*/ dxfer_len, 1405229997Sken /*timeout*/ 5 * 1000); 1406229997Sken 1407260387Sscottl csio->ccb_h.flags |= CAM_UNLOCKED; 1408229997Sken csio->resid = 0; 1409229997Sken csio->ccb_h.ccb_atio = atio; 1410229997Sken io->io_hdr.flags |= CTL_FLAG_DMA_INPROG; 1411229997Sken softc->ctios_sent++; 1412260387Sscottl mtx_unlock(mtx); 1413229997Sken xpt_action((union ccb *)csio); 1414229997Sken } else { 1415229997Sken /* 1416229997Sken * Release the CTIO. The ATIO will be sent back 1417229997Sken * down to the SIM once we send status. 1418229997Sken */ 1419229997Sken softc->ccbs_freed++; 1420229997Sken xpt_release_ccb(done_ccb); 1421260387Sscottl mtx_unlock(mtx); 1422229997Sken 1423229997Sken /* Call the backend move done callback */ 1424229997Sken io->scsiio.be_move_done(io); 1425229997Sken } 1426260387Sscottl return; 1427229997Sken } 1428229997Sken break; 1429229997Sken } 1430229997Sken case XPT_IMMEDIATE_NOTIFY: { 1431229997Sken union ctl_io *io; 1432229997Sken struct ccb_immediate_notify *inot; 1433229997Sken cam_status status; 1434284794Smav int send_ctl_io; 1435229997Sken 1436229997Sken inot = &done_ccb->cin1; 1437229997Sken printf("%s: got XPT_IMMEDIATE_NOTIFY status %#x tag %#x " 1438229997Sken "seq %#x\n", __func__, inot->ccb_h.status, 1439229997Sken inot->tag_id, inot->seq_id); 1440229997Sken 1441275878Smav io = done_ccb->ccb_h.io_ptr; 1442275878Smav ctl_zero_io(io); 1443229997Sken 1444275878Smav send_ctl_io = 1; 1445229997Sken 1446275878Smav io->io_hdr.io_type = CTL_IO_TASK; 1447275878Smav io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr =done_ccb; 1448275878Smav inot->ccb_h.io_ptr = io; 1449288731Smav io->io_hdr.nexus.initid = inot->initiator_id; 1450275878Smav io->io_hdr.nexus.targ_port = bus_softc->port.targ_port; 1451290776Smav if (bus_softc->hba_misc & PIM_EXTLUNS) { 1452290776Smav io->io_hdr.nexus.targ_lun = ctl_decode_lun( 1453290776Smav CAM_EXTLUN_BYTE_SWIZZLE(inot->ccb_h.target_lun)); 1454290776Smav } else { 1455290776Smav io->io_hdr.nexus.targ_lun = inot->ccb_h.target_lun; 1456290776Smav } 1457275878Smav /* XXX KDM should this be the tag_id? */ 1458275878Smav io->taskio.tag_num = inot->seq_id; 1459229997Sken 1460275878Smav status = inot->ccb_h.status & CAM_STATUS_MASK; 1461275878Smav switch (status) { 1462275878Smav case CAM_SCSI_BUS_RESET: 1463275878Smav io->taskio.task_action = CTL_TASK_BUS_RESET; 1464275878Smav break; 1465275878Smav case CAM_BDR_SENT: 1466275878Smav io->taskio.task_action = CTL_TASK_TARGET_RESET; 1467275878Smav break; 1468275878Smav case CAM_MESSAGE_RECV: 1469275878Smav switch (inot->arg) { 1470275878Smav case MSG_ABORT_TASK_SET: 1471275878Smav io->taskio.task_action = 1472275878Smav CTL_TASK_ABORT_TASK_SET; 1473229997Sken break; 1474275878Smav case MSG_TARGET_RESET: 1475290775Smav io->taskio.task_action = CTL_TASK_TARGET_RESET; 1476229997Sken break; 1477275878Smav case MSG_ABORT_TASK: 1478290775Smav io->taskio.task_action = CTL_TASK_ABORT_TASK; 1479229997Sken break; 1480275878Smav case MSG_LOGICAL_UNIT_RESET: 1481290775Smav io->taskio.task_action = CTL_TASK_LUN_RESET; 1482275878Smav break; 1483275878Smav case MSG_CLEAR_TASK_SET: 1484275878Smav io->taskio.task_action = 1485290775Smav CTL_TASK_CLEAR_TASK_SET; 1486275878Smav break; 1487275878Smav case MSG_CLEAR_ACA: 1488290775Smav io->taskio.task_action = CTL_TASK_CLEAR_ACA; 1489290775Smav break; 1490290775Smav case MSG_QUERY_TASK: 1491290775Smav io->taskio.task_action = CTL_TASK_QUERY_TASK; 1492290775Smav break; 1493290775Smav case MSG_QUERY_TASK_SET: 1494275878Smav io->taskio.task_action = 1495290775Smav CTL_TASK_QUERY_TASK_SET; 1496275878Smav break; 1497290775Smav case MSG_QUERY_ASYNC_EVENT: 1498290775Smav io->taskio.task_action = 1499290775Smav CTL_TASK_QUERY_ASYNC_EVENT; 1500290775Smav break; 1501275878Smav case MSG_NOOP: 1502229997Sken send_ctl_io = 0; 1503229997Sken break; 1504229997Sken default: 1505275878Smav xpt_print(periph->path, 1506275878Smav "%s: unsupported message 0x%x\n", 1507275878Smav __func__, inot->arg); 1508275878Smav send_ctl_io = 0; 1509275878Smav break; 1510275878Smav } 1511275878Smav break; 1512275878Smav case CAM_REQ_ABORTED: 1513275878Smav /* 1514275878Smav * This request was sent back by the driver. 1515275878Smav * XXX KDM what do we do here? 1516275878Smav */ 1517275878Smav send_ctl_io = 0; 1518275878Smav break; 1519275878Smav case CAM_REQ_INVALID: 1520275878Smav case CAM_PROVIDE_FAIL: 1521275878Smav default: 1522275878Smav /* 1523275878Smav * We should only get here if we're talking 1524275878Smav * to a talking to a SIM that is target 1525275878Smav * capable but supports the old API. In 1526275878Smav * that case, we need to just free the CCB. 1527275878Smav * If we actually send a notify acknowledge, 1528275878Smav * it will send that back with an error as 1529275878Smav * well. 1530275878Smav */ 1531237601Sken 1532275878Smav if ((status != CAM_REQ_INVALID) 1533275878Smav && (status != CAM_PROVIDE_FAIL)) 1534275878Smav xpt_print(periph->path, 1535275878Smav "%s: unsupported CAM status 0x%x\n", 1536275878Smav __func__, status); 1537237601Sken 1538275878Smav ctlfe_free_ccb(periph, done_ccb); 1539237601Sken 1540275878Smav goto out; 1541275878Smav } 1542275878Smav if (send_ctl_io != 0) { 1543275878Smav ctl_queue(io); 1544229997Sken } else { 1545229997Sken done_ccb->ccb_h.status = CAM_REQ_INPROG; 1546229997Sken done_ccb->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE; 1547229997Sken xpt_action(done_ccb); 1548229997Sken } 1549229997Sken break; 1550229997Sken } 1551229997Sken case XPT_NOTIFY_ACKNOWLEDGE: 1552229997Sken /* 1553229997Sken * Queue this back down to the SIM as an immediate notify. 1554229997Sken */ 1555304417Smav done_ccb->ccb_h.status = CAM_REQ_INPROG; 1556229997Sken done_ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 1557229997Sken xpt_action(done_ccb); 1558229997Sken break; 1559229997Sken case XPT_SET_SIM_KNOB: 1560229997Sken case XPT_GET_SIM_KNOB: 1561229997Sken break; 1562229997Sken default: 1563229997Sken panic("%s: unexpected CCB type %#x", __func__, 1564229997Sken done_ccb->ccb_h.func_code); 1565229997Sken break; 1566229997Sken } 1567260387Sscottl 1568260387Sscottlout: 1569260387Sscottl mtx_unlock(mtx); 1570229997Sken} 1571229997Sken 1572229997Skenstatic void 1573229997Skenctlfe_onoffline(void *arg, int online) 1574229997Sken{ 1575229997Sken struct ctlfe_softc *bus_softc; 1576229997Sken union ccb *ccb; 1577229997Sken cam_status status; 1578229997Sken struct cam_path *path; 1579229997Sken int set_wwnn; 1580229997Sken 1581229997Sken bus_softc = (struct ctlfe_softc *)arg; 1582229997Sken 1583229997Sken set_wwnn = 0; 1584229997Sken 1585229997Sken status = xpt_create_path(&path, /*periph*/ NULL, bus_softc->path_id, 1586229997Sken CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 1587229997Sken if (status != CAM_REQ_CMP) { 1588229997Sken printf("%s: unable to create path!\n", __func__); 1589229997Sken return; 1590229997Sken } 1591275882Smav ccb = xpt_alloc_ccb(); 1592242174Smav xpt_setup_ccb(&ccb->ccb_h, path, CAM_PRIORITY_NONE); 1593288713Smav ccb->ccb_h.func_code = XPT_GET_SIM_KNOB; 1594288713Smav xpt_action(ccb); 1595229997Sken 1596229997Sken /* 1597229997Sken * Copan WWN format: 1598229997Sken * 1599229997Sken * Bits 63-60: 0x5 NAA, IEEE registered name 1600229997Sken * Bits 59-36: 0x000ED5 IEEE Company name assigned to Copan 1601229997Sken * Bits 35-12: Copan SSN (Sequential Serial Number) 1602229997Sken * Bits 11-8: Type of port: 1603229997Sken * 1 == N-Port 1604229997Sken * 2 == F-Port 1605229997Sken * 3 == NL-Port 1606229997Sken * Bits 7-0: 0 == Node Name, >0 == Port Number 1607229997Sken */ 1608229997Sken if (online != 0) { 1609229997Sken if ((ccb->knob.xport_specific.valid & KNOB_VALID_ADDRESS) != 0){ 1610229997Sken#ifdef RANDOM_WWNN 1611229997Sken uint64_t random_bits; 1612229997Sken#endif 1613229997Sken 1614229997Sken printf("%s: %s current WWNN %#jx\n", __func__, 1615229997Sken bus_softc->port_name, 1616229997Sken ccb->knob.xport_specific.fc.wwnn); 1617229997Sken printf("%s: %s current WWPN %#jx\n", __func__, 1618229997Sken bus_softc->port_name, 1619229997Sken ccb->knob.xport_specific.fc.wwpn); 1620229997Sken 1621229997Sken#ifdef RANDOM_WWNN 1622229997Sken arc4rand(&random_bits, sizeof(random_bits), 0); 1623229997Sken#endif 1624229997Sken 1625229997Sken /* 1626229997Sken * XXX KDM this is a bit of a kludge for now. We 1627229997Sken * take the current WWNN/WWPN from the card, and 1628229997Sken * replace the company identifier and the NL-Port 1629229997Sken * indicator and the port number (for the WWPN). 1630229997Sken * This should be replaced later with ddb_GetWWNN, 1631229997Sken * or possibly a more centralized scheme. (It 1632229997Sken * would be nice to have the WWNN/WWPN for each 1633268677Smav * port stored in the ctl_port structure.) 1634229997Sken */ 1635229997Sken#ifdef RANDOM_WWNN 1636229997Sken ccb->knob.xport_specific.fc.wwnn = 1637229997Sken (random_bits & 1638229997Sken 0x0000000fffffff00ULL) | 1639229997Sken /* Company ID */ 0x5000ED5000000000ULL | 1640229997Sken /* NL-Port */ 0x0300; 1641229997Sken ccb->knob.xport_specific.fc.wwpn = 1642229997Sken (random_bits & 1643229997Sken 0x0000000fffffff00ULL) | 1644229997Sken /* Company ID */ 0x5000ED5000000000ULL | 1645229997Sken /* NL-Port */ 0x3000 | 1646268677Smav /* Port Num */ (bus_softc->port.targ_port & 0xff); 1647229997Sken 1648229997Sken /* 1649229997Sken * This is a bit of an API break/reversal, but if 1650229997Sken * we're doing the random WWNN that's a little 1651229997Sken * different anyway. So record what we're actually 1652229997Sken * using with the frontend code so it's reported 1653229997Sken * accurately. 1654229997Sken */ 1655268683Smav ctl_port_set_wwns(&bus_softc->port, 1656268683Smav true, ccb->knob.xport_specific.fc.wwnn, 1657268683Smav true, ccb->knob.xport_specific.fc.wwpn); 1658229997Sken set_wwnn = 1; 1659229997Sken#else /* RANDOM_WWNN */ 1660229997Sken /* 1661229997Sken * If the user has specified a WWNN/WWPN, send them 1662229997Sken * down to the SIM. Otherwise, record what the SIM 1663229997Sken * has reported. 1664229997Sken */ 1665284586Smav if (bus_softc->port.wwnn != 0 && bus_softc->port.wwnn 1666284586Smav != ccb->knob.xport_specific.fc.wwnn) { 1667229997Sken ccb->knob.xport_specific.fc.wwnn = 1668284586Smav bus_softc->port.wwnn; 1669284586Smav set_wwnn = 1; 1670284586Smav } else { 1671284586Smav ctl_port_set_wwns(&bus_softc->port, 1672284586Smav true, ccb->knob.xport_specific.fc.wwnn, 1673284586Smav false, 0); 1674284586Smav } 1675284586Smav if (bus_softc->port.wwpn != 0 && bus_softc->port.wwpn 1676284586Smav != ccb->knob.xport_specific.fc.wwpn) { 1677229997Sken ccb->knob.xport_specific.fc.wwpn = 1678284586Smav bus_softc->port.wwpn; 1679229997Sken set_wwnn = 1; 1680229997Sken } else { 1681268683Smav ctl_port_set_wwns(&bus_softc->port, 1682284586Smav false, 0, 1683268683Smav true, ccb->knob.xport_specific.fc.wwpn); 1684229997Sken } 1685229997Sken#endif /* RANDOM_WWNN */ 1686229997Sken 1687229997Sken 1688229997Sken if (set_wwnn != 0) { 1689229997Sken printf("%s: %s new WWNN %#jx\n", __func__, 1690229997Sken bus_softc->port_name, 1691229997Sken ccb->knob.xport_specific.fc.wwnn); 1692229997Sken printf("%s: %s new WWPN %#jx\n", __func__, 1693229997Sken bus_softc->port_name, 1694229997Sken ccb->knob.xport_specific.fc.wwpn); 1695229997Sken } 1696229997Sken } else { 1697229997Sken printf("%s: %s has no valid WWNN/WWPN\n", __func__, 1698229997Sken bus_softc->port_name); 1699229997Sken } 1700229997Sken } 1701229997Sken ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 1702229997Sken ccb->knob.xport_specific.valid = KNOB_VALID_ROLE; 1703229997Sken if (set_wwnn != 0) 1704229997Sken ccb->knob.xport_specific.valid |= KNOB_VALID_ADDRESS; 1705229997Sken 1706229997Sken if (online != 0) 1707288713Smav ccb->knob.xport_specific.fc.role |= KNOB_ROLE_TARGET; 1708229997Sken else 1709288713Smav ccb->knob.xport_specific.fc.role &= ~KNOB_ROLE_TARGET; 1710229997Sken 1711229997Sken xpt_action(ccb); 1712229997Sken 1713229997Sken if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1714229997Sken printf("%s: SIM %s (path id %d) target %s failed with " 1715229997Sken "status %#x\n", 1716229997Sken __func__, bus_softc->port_name, bus_softc->path_id, 1717229997Sken (online != 0) ? "enable" : "disable", 1718229997Sken ccb->ccb_h.status); 1719229997Sken } else { 1720229997Sken printf("%s: SIM %s (path id %d) target %s succeeded\n", 1721229997Sken __func__, bus_softc->port_name, bus_softc->path_id, 1722229997Sken (online != 0) ? "enable" : "disable"); 1723229997Sken } 1724229997Sken 1725229997Sken xpt_free_path(path); 1726275882Smav xpt_free_ccb(ccb); 1727229997Sken} 1728229997Sken 1729229997Skenstatic void 1730229997Skenctlfe_online(void *arg) 1731229997Sken{ 1732245228Sken struct ctlfe_softc *bus_softc; 1733245228Sken struct cam_path *path; 1734245228Sken cam_status status; 1735245228Sken struct ctlfe_lun_softc *lun_softc; 1736274388Smav struct cam_periph *periph; 1737245228Sken 1738245228Sken bus_softc = (struct ctlfe_softc *)arg; 1739245228Sken 1740245228Sken /* 1741245228Sken * Create the wildcard LUN before bringing the port online. 1742245228Sken */ 1743245228Sken status = xpt_create_path(&path, /*periph*/ NULL, 1744245228Sken bus_softc->path_id, CAM_TARGET_WILDCARD, 1745245228Sken CAM_LUN_WILDCARD); 1746245228Sken if (status != CAM_REQ_CMP) { 1747245228Sken printf("%s: unable to create path for wildcard periph\n", 1748245228Sken __func__); 1749245228Sken return; 1750245228Sken } 1751245228Sken 1752275882Smav lun_softc = malloc(sizeof(*lun_softc), M_CTLFE, M_WAITOK | M_ZERO); 1753245228Sken 1754260387Sscottl xpt_path_lock(path); 1755274388Smav periph = cam_periph_find(path, "ctl"); 1756274388Smav if (periph != NULL) { 1757274388Smav /* We've already got a periph, no need to alloc a new one. */ 1758274388Smav xpt_path_unlock(path); 1759274388Smav xpt_free_path(path); 1760274388Smav free(lun_softc, M_CTLFE); 1761274388Smav return; 1762274388Smav } 1763245228Sken lun_softc->parent_softc = bus_softc; 1764245228Sken lun_softc->flags |= CTLFE_LUN_WILDCARD; 1765245228Sken 1766245228Sken status = cam_periph_alloc(ctlferegister, 1767245228Sken ctlfeoninvalidate, 1768245228Sken ctlfecleanup, 1769245228Sken ctlfestart, 1770245228Sken "ctl", 1771245228Sken CAM_PERIPH_BIO, 1772245228Sken path, 1773245228Sken ctlfeasync, 1774245228Sken 0, 1775245228Sken lun_softc); 1776245228Sken 1777245228Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1778245228Sken const struct cam_status_entry *entry; 1779245228Sken 1780245228Sken entry = cam_fetch_status_entry(status); 1781245228Sken printf("%s: CAM error %s (%#x) returned from " 1782245228Sken "cam_periph_alloc()\n", __func__, (entry != NULL) ? 1783245228Sken entry->status_text : "Unknown", status); 1784274388Smav free(lun_softc, M_CTLFE); 1785245228Sken } 1786245228Sken 1787260387Sscottl xpt_path_unlock(path); 1788275882Smav ctlfe_onoffline(arg, /*online*/ 1); 1789260387Sscottl xpt_free_path(path); 1790229997Sken} 1791229997Sken 1792229997Skenstatic void 1793229997Skenctlfe_offline(void *arg) 1794229997Sken{ 1795245228Sken struct ctlfe_softc *bus_softc; 1796245228Sken struct cam_path *path; 1797245228Sken cam_status status; 1798245228Sken struct cam_periph *periph; 1799245228Sken 1800245228Sken bus_softc = (struct ctlfe_softc *)arg; 1801245228Sken 1802275882Smav ctlfe_onoffline(arg, /*online*/ 0); 1803275882Smav 1804245228Sken /* 1805245228Sken * Disable the wildcard LUN for this port now that we have taken 1806245228Sken * the port offline. 1807245228Sken */ 1808245228Sken status = xpt_create_path(&path, /*periph*/ NULL, 1809245228Sken bus_softc->path_id, CAM_TARGET_WILDCARD, 1810245228Sken CAM_LUN_WILDCARD); 1811245228Sken if (status != CAM_REQ_CMP) { 1812245228Sken printf("%s: unable to create path for wildcard periph\n", 1813245228Sken __func__); 1814245228Sken return; 1815245228Sken } 1816260387Sscottl xpt_path_lock(path); 1817245228Sken if ((periph = cam_periph_find(path, "ctl")) != NULL) 1818245228Sken cam_periph_invalidate(periph); 1819260387Sscottl xpt_path_unlock(path); 1820245228Sken xpt_free_path(path); 1821229997Sken} 1822229997Sken 1823229997Sken/* 1824229997Sken * This will get called to enable a LUN on every bus that is attached to 1825229997Sken * CTL. So we only need to create a path/periph for this particular bus. 1826229997Sken */ 1827229997Skenstatic int 1828284798Smavctlfe_lun_enable(void *arg, int lun_id) 1829229997Sken{ 1830229997Sken struct ctlfe_softc *bus_softc; 1831229997Sken struct ctlfe_lun_softc *softc; 1832229997Sken struct cam_path *path; 1833229997Sken struct cam_periph *periph; 1834229997Sken cam_status status; 1835229997Sken 1836229997Sken bus_softc = (struct ctlfe_softc *)arg; 1837290776Smav if (bus_softc->hba_misc & PIM_EXTLUNS) 1838290776Smav lun_id = CAM_EXTLUN_BYTE_SWIZZLE(ctl_encode_lun(lun_id)); 1839229997Sken 1840260387Sscottl status = xpt_create_path(&path, /*periph*/ NULL, 1841290776Smav bus_softc->path_id, bus_softc->target_id, lun_id); 1842229997Sken /* XXX KDM need some way to return status to CTL here? */ 1843229997Sken if (status != CAM_REQ_CMP) { 1844229997Sken printf("%s: could not create path, status %#x\n", __func__, 1845229997Sken status); 1846229997Sken return (1); 1847229997Sken } 1848229997Sken 1849229997Sken softc = malloc(sizeof(*softc), M_CTLFE, M_WAITOK | M_ZERO); 1850260387Sscottl xpt_path_lock(path); 1851229997Sken periph = cam_periph_find(path, "ctl"); 1852229997Sken if (periph != NULL) { 1853229997Sken /* We've already got a periph, no need to alloc a new one. */ 1854260387Sscottl xpt_path_unlock(path); 1855229997Sken xpt_free_path(path); 1856229997Sken free(softc, M_CTLFE); 1857229997Sken return (0); 1858229997Sken } 1859229997Sken softc->parent_softc = bus_softc; 1860229997Sken 1861229997Sken status = cam_periph_alloc(ctlferegister, 1862229997Sken ctlfeoninvalidate, 1863229997Sken ctlfecleanup, 1864229997Sken ctlfestart, 1865229997Sken "ctl", 1866229997Sken CAM_PERIPH_BIO, 1867229997Sken path, 1868229997Sken ctlfeasync, 1869229997Sken 0, 1870229997Sken softc); 1871229997Sken 1872274388Smav if ((status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1873274388Smav const struct cam_status_entry *entry; 1874274388Smav 1875274388Smav entry = cam_fetch_status_entry(status); 1876274388Smav printf("%s: CAM error %s (%#x) returned from " 1877274388Smav "cam_periph_alloc()\n", __func__, (entry != NULL) ? 1878274388Smav entry->status_text : "Unknown", status); 1879274388Smav free(softc, M_CTLFE); 1880274388Smav } 1881274388Smav 1882260387Sscottl xpt_path_unlock(path); 1883244016Sken xpt_free_path(path); 1884229997Sken return (0); 1885229997Sken} 1886229997Sken 1887229997Sken/* 1888245228Sken * This will get called when the user removes a LUN to disable that LUN 1889245228Sken * on every bus that is attached to CTL. 1890229997Sken */ 1891229997Skenstatic int 1892284798Smavctlfe_lun_disable(void *arg, int lun_id) 1893229997Sken{ 1894229997Sken struct ctlfe_softc *softc; 1895229997Sken struct ctlfe_lun_softc *lun_softc; 1896229997Sken 1897229997Sken softc = (struct ctlfe_softc *)arg; 1898290776Smav if (softc->hba_misc & PIM_EXTLUNS) 1899290776Smav lun_id = CAM_EXTLUN_BYTE_SWIZZLE(ctl_encode_lun(lun_id)); 1900229997Sken 1901260387Sscottl mtx_lock(&softc->lun_softc_mtx); 1902229997Sken STAILQ_FOREACH(lun_softc, &softc->lun_softc_list, links) { 1903229997Sken struct cam_path *path; 1904229997Sken 1905229997Sken path = lun_softc->periph->path; 1906229997Sken 1907290172Smav if ((xpt_path_target_id(path) == softc->target_id) 1908229997Sken && (xpt_path_lun_id(path) == lun_id)) { 1909229997Sken break; 1910229997Sken } 1911229997Sken } 1912229997Sken if (lun_softc == NULL) { 1913260387Sscottl mtx_unlock(&softc->lun_softc_mtx); 1914284798Smav printf("%s: can't find lun %d\n", __func__, lun_id); 1915229997Sken return (1); 1916229997Sken } 1917260387Sscottl cam_periph_acquire(lun_softc->periph); 1918260387Sscottl mtx_unlock(&softc->lun_softc_mtx); 1919229997Sken 1920260387Sscottl cam_periph_lock(lun_softc->periph); 1921229997Sken cam_periph_invalidate(lun_softc->periph); 1922260387Sscottl cam_periph_unlock(lun_softc->periph); 1923260387Sscottl cam_periph_release(lun_softc->periph); 1924229997Sken return (0); 1925229997Sken} 1926229997Sken 1927229997Skenstatic void 1928229997Skenctlfe_dump_sim(struct cam_sim *sim) 1929229997Sken{ 1930229997Sken 1931229997Sken printf("%s%d: max tagged openings: %d, max dev openings: %d\n", 1932229997Sken sim->sim_name, sim->unit_number, 1933229997Sken sim->max_tagged_dev_openings, sim->max_dev_openings); 1934229997Sken} 1935229997Sken 1936229997Sken/* 1937229997Sken * Assumes that the SIM lock is held. 1938229997Sken */ 1939229997Skenstatic void 1940229997Skenctlfe_dump_queue(struct ctlfe_lun_softc *softc) 1941229997Sken{ 1942229997Sken struct ccb_hdr *hdr; 1943229997Sken struct cam_periph *periph; 1944229997Sken int num_items; 1945229997Sken 1946229997Sken periph = softc->periph; 1947229997Sken num_items = 0; 1948229997Sken 1949229997Sken TAILQ_FOREACH(hdr, &softc->work_queue, periph_links.tqe) { 1950275880Smav union ctl_io *io = hdr->io_ptr; 1951229997Sken 1952229997Sken num_items++; 1953229997Sken 1954229997Sken /* 1955229997Sken * Only regular SCSI I/O is put on the work 1956229997Sken * queue, so we can print sense here. There may be no 1957229997Sken * sense if it's no the queue for a DMA, but this serves to 1958229997Sken * print out the CCB as well. 1959229997Sken * 1960229997Sken * XXX KDM switch this over to scsi_sense_print() when 1961229997Sken * CTL is merged in with CAM. 1962229997Sken */ 1963229997Sken ctl_io_error_print(io, NULL); 1964229997Sken 1965229997Sken /* 1966275880Smav * Print DMA status if we are DMA_QUEUED. 1967229997Sken */ 1968275880Smav if (io->io_hdr.flags & CTL_FLAG_DMA_QUEUED) { 1969275880Smav xpt_print(periph->path, 1970275880Smav "Total %u, Current %u, Resid %u\n", 1971275880Smav io->scsiio.kern_total_len, 1972275880Smav io->scsiio.kern_data_len, 1973275880Smav io->scsiio.kern_data_resid); 1974275880Smav } 1975229997Sken } 1976229997Sken 1977229997Sken xpt_print(periph->path, "%d requests total waiting for CCBs\n", 1978229997Sken num_items); 1979250460Seadler xpt_print(periph->path, "%ju CCBs outstanding (%ju allocated, %ju " 1980229997Sken "freed)\n", (uintmax_t)(softc->ccbs_alloced - 1981229997Sken softc->ccbs_freed), (uintmax_t)softc->ccbs_alloced, 1982229997Sken (uintmax_t)softc->ccbs_freed); 1983229997Sken xpt_print(periph->path, "%ju CTIOs outstanding (%ju sent, %ju " 1984229997Sken "returned\n", (uintmax_t)(softc->ctios_sent - 1985229997Sken softc->ctios_returned), softc->ctios_sent, 1986229997Sken softc->ctios_returned); 1987229997Sken} 1988229997Sken 1989229997Sken/* 1990275880Smav * Datamove/done routine called by CTL. Put ourselves on the queue to 1991275880Smav * receive a CCB from CAM so we can queue the continue I/O request down 1992275880Smav * to the adapter. 1993229997Sken */ 1994229997Skenstatic void 1995275880Smavctlfe_datamove(union ctl_io *io) 1996229997Sken{ 1997275880Smav union ccb *ccb; 1998275880Smav struct cam_periph *periph; 1999229997Sken struct ctlfe_lun_softc *softc; 2000229997Sken 2001275880Smav KASSERT(io->io_hdr.io_type == CTL_IO_SCSI, 2002275880Smav ("Unexpected io_type (%d) in ctlfe_datamove", io->io_hdr.io_type)); 2003229997Sken 2004275880Smav ccb = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr; 2005275880Smav periph = xpt_path_periph(ccb->ccb_h.path); 2006275880Smav cam_periph_lock(periph); 2007275880Smav softc = (struct ctlfe_lun_softc *)periph->softc; 2008275880Smav io->io_hdr.flags |= CTL_FLAG_DMA_QUEUED; 2009275880Smav if ((io->io_hdr.status & CTL_STATUS_MASK) != CTL_STATUS_NONE) 2010275880Smav io->io_hdr.flags |= CTL_FLAG_STATUS_QUEUED; 2011275880Smav TAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, 2012275880Smav periph_links.tqe); 2013229997Sken xpt_schedule(periph, /*priority*/ 1); 2014275880Smav cam_periph_unlock(periph); 2015229997Sken} 2016229997Sken 2017229997Skenstatic void 2018275880Smavctlfe_done(union ctl_io *io) 2019229997Sken{ 2020229997Sken union ccb *ccb; 2021229997Sken struct cam_periph *periph; 2022229997Sken struct ctlfe_lun_softc *softc; 2023229997Sken 2024229997Sken ccb = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr; 2025229997Sken periph = xpt_path_periph(ccb->ccb_h.path); 2026260387Sscottl cam_periph_lock(periph); 2027229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 2028229997Sken 2029229997Sken if (io->io_hdr.io_type == CTL_IO_TASK) { 2030229997Sken /* 2031229997Sken * Task management commands don't require any further 2032229997Sken * communication back to the adapter. Requeue the CCB 2033229997Sken * to the adapter, and free the CTL I/O. 2034229997Sken */ 2035229997Sken xpt_print(ccb->ccb_h.path, "%s: returning task I/O " 2036229997Sken "tag %#x seq %#x\n", __func__, 2037229997Sken ccb->cin1.tag_id, ccb->cin1.seq_id); 2038229997Sken /* 2039229997Sken * Send the notify acknowledge down to the SIM, to let it 2040229997Sken * know we processed the task management command. 2041229997Sken */ 2042229997Sken ccb->ccb_h.status = CAM_REQ_INPROG; 2043229997Sken ccb->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE; 2044304417Smav switch (io->taskio.task_status) { 2045304417Smav case CTL_TASK_FUNCTION_COMPLETE: 2046304417Smav ccb->cna2.arg = CAM_RSP_TMF_COMPLETE; 2047304417Smav break; 2048304417Smav case CTL_TASK_FUNCTION_SUCCEEDED: 2049304417Smav ccb->cna2.arg = CAM_RSP_TMF_SUCCEEDED; 2050304417Smav ccb->ccb_h.flags |= CAM_SEND_STATUS; 2051304417Smav break; 2052304417Smav case CTL_TASK_FUNCTION_REJECTED: 2053304417Smav ccb->cna2.arg = CAM_RSP_TMF_REJECTED; 2054304417Smav ccb->ccb_h.flags |= CAM_SEND_STATUS; 2055304417Smav break; 2056304417Smav case CTL_TASK_LUN_DOES_NOT_EXIST: 2057304417Smav ccb->cna2.arg = CAM_RSP_TMF_INCORRECT_LUN; 2058304417Smav ccb->ccb_h.flags |= CAM_SEND_STATUS; 2059304417Smav break; 2060304417Smav case CTL_TASK_FUNCTION_NOT_SUPPORTED: 2061304417Smav ccb->cna2.arg = CAM_RSP_TMF_FAILED; 2062304417Smav ccb->ccb_h.flags |= CAM_SEND_STATUS; 2063304417Smav break; 2064304417Smav } 2065304417Smav ccb->cna2.arg |= scsi_3btoul(io->taskio.task_resp) << 8; 2066229997Sken xpt_action(ccb); 2067275881Smav } else if (io->io_hdr.flags & CTL_FLAG_STATUS_SENT) { 2068275881Smav if (softc->flags & CTLFE_LUN_WILDCARD) { 2069275881Smav ccb->ccb_h.target_id = CAM_TARGET_WILDCARD; 2070275881Smav ccb->ccb_h.target_lun = CAM_LUN_WILDCARD; 2071275881Smav } 2072275881Smav if (periph->flags & CAM_PERIPH_INVALID) { 2073275881Smav ctlfe_free_ccb(periph, ccb); 2074275881Smav } else { 2075275881Smav cam_periph_unlock(periph); 2076275881Smav xpt_action(ccb); 2077275881Smav return; 2078275881Smav } 2079229997Sken } else { 2080275880Smav io->io_hdr.flags |= CTL_FLAG_STATUS_QUEUED; 2081229997Sken TAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, 2082229997Sken periph_links.tqe); 2083275880Smav xpt_schedule(periph, /*priority*/ 1); 2084229997Sken } 2085229997Sken 2086260387Sscottl cam_periph_unlock(periph); 2087229997Sken} 2088229997Sken 2089229997Skenstatic void 2090229997Skenctlfe_dump(void) 2091229997Sken{ 2092229997Sken struct ctlfe_softc *bus_softc; 2093275880Smav struct ctlfe_lun_softc *lun_softc; 2094229997Sken 2095229997Sken STAILQ_FOREACH(bus_softc, &ctlfe_softc_list, links) { 2096229997Sken ctlfe_dump_sim(bus_softc->sim); 2097275880Smav STAILQ_FOREACH(lun_softc, &bus_softc->lun_softc_list, links) 2098229997Sken ctlfe_dump_queue(lun_softc); 2099229997Sken } 2100229997Sken} 2101