scsi_ctl.c revision 274388
1229997Sken/*- 2229997Sken * Copyright (c) 2008, 2009 Silicon Graphics International Corp. 3229997Sken * All rights reserved. 4229997Sken * 5229997Sken * Redistribution and use in source and binary forms, with or without 6229997Sken * modification, are permitted provided that the following conditions 7229997Sken * are met: 8229997Sken * 1. Redistributions of source code must retain the above copyright 9229997Sken * notice, this list of conditions, and the following disclaimer, 10229997Sken * without modification. 11229997Sken * 2. Redistributions in binary form must reproduce at minimum a disclaimer 12229997Sken * substantially similar to the "NO WARRANTY" disclaimer below 13229997Sken * ("Disclaimer") and any redistribution must be conditioned upon 14229997Sken * including a substantially similar Disclaimer requirement for further 15229997Sken * binary redistribution. 16229997Sken * 17229997Sken * NO WARRANTY 18229997Sken * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19229997Sken * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20229997Sken * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 21229997Sken * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22229997Sken * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23229997Sken * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24229997Sken * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25229997Sken * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 26229997Sken * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 27229997Sken * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28229997Sken * POSSIBILITY OF SUCH DAMAGES. 29229997Sken * 30229997Sken * $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/scsi_ctl.c#4 $ 31229997Sken */ 32229997Sken/* 33229997Sken * Peripheral driver interface between CAM and CTL (CAM Target Layer). 34229997Sken * 35229997Sken * Author: Ken Merry <ken@FreeBSD.org> 36229997Sken */ 37229997Sken 38229997Sken#include <sys/cdefs.h> 39229997Sken__FBSDID("$FreeBSD: stable/10/sys/cam/ctl/scsi_ctl.c 274388 2014-11-11 17:17:41Z mav $"); 40229997Sken 41229997Sken#include <sys/param.h> 42229997Sken#include <sys/queue.h> 43229997Sken#include <sys/systm.h> 44229997Sken#include <sys/kernel.h> 45229997Sken#include <sys/lock.h> 46229997Sken#include <sys/mutex.h> 47229997Sken#include <sys/condvar.h> 48229997Sken#include <sys/malloc.h> 49229997Sken#include <sys/bus.h> 50229997Sken#include <sys/endian.h> 51229997Sken#include <sys/sbuf.h> 52229997Sken#include <sys/sysctl.h> 53229997Sken#include <sys/types.h> 54229997Sken#include <sys/systm.h> 55229997Sken#include <machine/bus.h> 56229997Sken 57229997Sken#include <cam/cam.h> 58229997Sken#include <cam/cam_ccb.h> 59229997Sken#include <cam/cam_periph.h> 60229997Sken#include <cam/cam_queue.h> 61229997Sken#include <cam/cam_xpt_periph.h> 62229997Sken#include <cam/cam_debug.h> 63229997Sken#include <cam/cam_sim.h> 64229997Sken#include <cam/cam_xpt.h> 65229997Sken 66229997Sken#include <cam/scsi/scsi_all.h> 67229997Sken#include <cam/scsi/scsi_message.h> 68229997Sken 69229997Sken#include <cam/ctl/ctl_io.h> 70229997Sken#include <cam/ctl/ctl.h> 71229997Sken#include <cam/ctl/ctl_frontend.h> 72229997Sken#include <cam/ctl/ctl_util.h> 73229997Sken#include <cam/ctl/ctl_error.h> 74229997Sken 75229997Skentypedef enum { 76260387Sscottl CTLFE_CCB_DEFAULT = 0x00 77229997Sken} ctlfe_ccb_types; 78229997Sken 79229997Skenstruct ctlfe_softc { 80268677Smav struct ctl_port port; 81229997Sken path_id_t path_id; 82265641Smav u_int maxio; 83229997Sken struct cam_sim *sim; 84229997Sken char port_name[DEV_IDLEN]; 85260387Sscottl 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"; 93229997Skenstatic int ctlfe_dma_enabled = 1; 94229997Sken#ifdef CTLFE_INIT_ENABLE 95229997Skenstatic int ctlfe_max_targets = 1; 96229997Skenstatic int ctlfe_num_targets = 0; 97229997Sken#endif 98229997Sken 99229997Skentypedef enum { 100229997Sken CTLFE_LUN_NONE = 0x00, 101229997Sken CTLFE_LUN_WILDCARD = 0x01 102229997Sken} ctlfe_lun_flags; 103229997Sken 104229997Skenstruct ctlfe_lun_softc { 105229997Sken struct ctlfe_softc *parent_softc; 106229997Sken struct cam_periph *periph; 107229997Sken ctlfe_lun_flags flags; 108229997Sken struct callout dma_callout; 109229997Sken uint64_t ccbs_alloced; 110229997Sken uint64_t ccbs_freed; 111229997Sken uint64_t ctios_sent; 112229997Sken uint64_t ctios_returned; 113229997Sken uint64_t atios_sent; 114229997Sken uint64_t atios_returned; 115229997Sken uint64_t inots_sent; 116229997Sken uint64_t inots_returned; 117229997Sken /* bus_dma_tag_t dma_tag; */ 118229997Sken TAILQ_HEAD(, ccb_hdr) work_queue; 119229997Sken STAILQ_ENTRY(ctlfe_lun_softc) links; 120229997Sken}; 121229997Sken 122229997Skentypedef enum { 123229997Sken CTLFE_CMD_NONE = 0x00, 124229997Sken CTLFE_CMD_PIECEWISE = 0x01 125229997Sken} ctlfe_cmd_flags; 126229997Sken 127229997Sken/* 128229997Sken * The size limit of this structure is CTL_PORT_PRIV_SIZE, from ctl_io.h. 129229997Sken * Currently that is 600 bytes. 130229997Sken */ 131229997Skenstruct ctlfe_lun_cmd_info { 132229997Sken int cur_transfer_index; 133265641Smav size_t cur_transfer_off; 134229997Sken ctlfe_cmd_flags flags; 135229997Sken /* 136229997Sken * XXX KDM struct bus_dma_segment is 8 bytes on i386, and 16 137229997Sken * bytes on amd64. So with 32 elements, this is 256 bytes on 138229997Sken * i386 and 512 bytes on amd64. 139229997Sken */ 140265641Smav#define CTLFE_MAX_SEGS 32 141265641Smav bus_dma_segment_t cam_sglist[CTLFE_MAX_SEGS]; 142229997Sken}; 143229997Sken 144229997Sken/* 145229997Sken * When we register the adapter/bus, request that this many ctl_ios be 146229997Sken * allocated. This should be the maximum supported by the adapter, but we 147229997Sken * currently don't have a way to get that back from the path inquiry. 148229997Sken * XXX KDM add that to the path inquiry. 149229997Sken */ 150229997Sken#define CTLFE_REQ_CTL_IO 4096 151229997Sken/* 152229997Sken * Number of Accept Target I/O CCBs to allocate and queue down to the 153229997Sken * adapter per LUN. 154229997Sken * XXX KDM should this be controlled by CTL? 155229997Sken */ 156229997Sken#define CTLFE_ATIO_PER_LUN 1024 157229997Sken/* 158229997Sken * Number of Immediate Notify CCBs (used for aborts, resets, etc.) to 159229997Sken * allocate and queue down to the adapter per LUN. 160229997Sken * XXX KDM should this be controlled by CTL? 161229997Sken */ 162229997Sken#define CTLFE_IN_PER_LUN 1024 163229997Sken 164229997Sken/* 165229997Sken * Timeout (in seconds) on CTIO CCB allocation for doing a DMA or sending 166229997Sken * status to the initiator. The SIM is expected to have its own timeouts, 167229997Sken * so we're not putting this timeout around the CCB execution time. The 168229997Sken * SIM should timeout and let us know if it has an issue. 169229997Sken */ 170229997Sken#define CTLFE_DMA_TIMEOUT 60 171229997Sken 172229997Sken/* 173229997Sken * Turn this on to enable extra debugging prints. 174229997Sken */ 175229997Sken#if 0 176229997Sken#define CTLFE_DEBUG 177229997Sken#endif 178229997Sken 179229997Sken/* 180229997Sken * Use randomly assigned WWNN/WWPN values. This is to work around an issue 181229997Sken * in the FreeBSD initiator that makes it unable to rescan the target if 182229997Sken * the target gets rebooted and the WWNN/WWPN stay the same. 183229997Sken */ 184229997Sken#if 0 185229997Sken#define RANDOM_WWNN 186229997Sken#endif 187229997Sken 188229997SkenSYSCTL_INT(_kern_cam_ctl, OID_AUTO, dma_enabled, CTLFLAG_RW, 189229997Sken &ctlfe_dma_enabled, 0, "DMA enabled"); 190229997SkenMALLOC_DEFINE(M_CTLFE, "CAM CTL FE", "CAM CTL FE interface"); 191229997Sken 192229997Sken#define ccb_type ppriv_field0 193229997Sken/* This is only used in the ATIO */ 194229997Sken#define io_ptr ppriv_ptr1 195229997Sken 196229997Sken/* This is only used in the CTIO */ 197229997Sken#define ccb_atio ppriv_ptr1 198229997Sken 199229997Skenint ctlfeinitialize(void); 200229997Skenvoid ctlfeshutdown(void); 201268677Smavstatic periph_init_t ctlfeperiphinit; 202229997Skenstatic void ctlfeasync(void *callback_arg, uint32_t code, 203229997Sken struct cam_path *path, void *arg); 204229997Skenstatic periph_ctor_t ctlferegister; 205229997Skenstatic periph_oninv_t ctlfeoninvalidate; 206229997Skenstatic periph_dtor_t ctlfecleanup; 207229997Skenstatic periph_start_t ctlfestart; 208229997Skenstatic void ctlfedone(struct cam_periph *periph, 209229997Sken union ccb *done_ccb); 210229997Sken 211229997Skenstatic void ctlfe_onoffline(void *arg, int online); 212229997Skenstatic void ctlfe_online(void *arg); 213229997Skenstatic void ctlfe_offline(void *arg); 214229997Skenstatic int ctlfe_lun_enable(void *arg, struct ctl_id targ_id, 215229997Sken int lun_id); 216229997Skenstatic int ctlfe_lun_disable(void *arg, struct ctl_id targ_id, 217229997Sken int lun_id); 218229997Skenstatic void ctlfe_dump_sim(struct cam_sim *sim); 219229997Skenstatic void ctlfe_dump_queue(struct ctlfe_lun_softc *softc); 220229997Skenstatic void ctlfe_dma_timeout(void *arg); 221229997Skenstatic void ctlfe_datamove_done(union ctl_io *io); 222229997Skenstatic void ctlfe_dump(void); 223229997Sken 224229997Skenstatic struct periph_driver ctlfe_driver = 225229997Sken{ 226268677Smav ctlfeperiphinit, "ctl", 227273316Smav TAILQ_HEAD_INITIALIZER(ctlfe_driver.units), /*generation*/ 0, 228273316Smav CAM_PERIPH_DRV_EARLY 229229997Sken}; 230229997Sken 231268677Smavstatic struct ctl_frontend ctlfe_frontend = 232268677Smav{ 233273318Smav .name = "camtgt", 234268677Smav .init = ctlfeinitialize, 235268677Smav .fe_dump = ctlfe_dump, 236268677Smav .shutdown = ctlfeshutdown, 237249009Strasz}; 238268677SmavCTL_FRONTEND_DECLARE(ctlfe, ctlfe_frontend); 239249009Strasz 240229997Skenextern struct ctl_softc *control_softc; 241229997Sken 242229997Skenvoid 243229997Skenctlfeshutdown(void) 244229997Sken{ 245229997Sken return; 246229997Sken} 247229997Sken 248268677Smavint 249268677Smavctlfeinitialize(void) 250229997Sken{ 251229997Sken 252229997Sken STAILQ_INIT(&ctlfe_softc_list); 253229997Sken mtx_init(&ctlfe_list_mtx, ctlfe_mtx_desc, NULL, MTX_DEF); 254268677Smav periphdriver_register(&ctlfe_driver); 255268677Smav return (0); 256268677Smav} 257229997Sken 258268677Smavvoid 259268677Smavctlfeperiphinit(void) 260268677Smav{ 261268677Smav cam_status status; 262229997Sken 263229997Sken status = xpt_register_async(AC_PATH_REGISTERED | AC_PATH_DEREGISTERED | 264229997Sken AC_CONTRACT, ctlfeasync, NULL, NULL); 265229997Sken if (status != CAM_REQ_CMP) { 266229997Sken printf("ctl: Failed to attach async callback due to CAM " 267229997Sken "status 0x%x!\n", status); 268229997Sken } 269229997Sken} 270229997Sken 271229997Skenstatic void 272229997Skenctlfeasync(void *callback_arg, uint32_t code, struct cam_path *path, void *arg) 273229997Sken{ 274273317Smav struct ctlfe_softc *softc; 275229997Sken 276229997Sken#ifdef CTLFEDEBUG 277229997Sken printf("%s: entered\n", __func__); 278229997Sken#endif 279229997Sken 280273317Smav mtx_lock(&ctlfe_list_mtx); 281273317Smav STAILQ_FOREACH(softc, &ctlfe_softc_list, links) { 282273317Smav if (softc->path_id == xpt_path_path_id(path)) 283273317Smav break; 284273317Smav } 285273317Smav mtx_unlock(&ctlfe_list_mtx); 286273317Smav 287229997Sken /* 288229997Sken * When a new path gets registered, and it is capable of target 289229997Sken * mode, go ahead and attach. Later on, we may need to be more 290229997Sken * selective, but for now this will be sufficient. 291229997Sken */ 292229997Sken switch (code) { 293229997Sken case AC_PATH_REGISTERED: { 294268677Smav struct ctl_port *port; 295229997Sken struct ccb_pathinq *cpi; 296229997Sken int retval; 297229997Sken 298229997Sken cpi = (struct ccb_pathinq *)arg; 299229997Sken 300229997Sken /* Don't attach if it doesn't support target mode */ 301229997Sken if ((cpi->target_sprt & PIT_PROCESSOR) == 0) { 302230033Sken#ifdef CTLFEDEBUG 303229997Sken printf("%s: SIM %s%d doesn't support target mode\n", 304229997Sken __func__, cpi->dev_name, cpi->unit_number); 305230033Sken#endif 306229997Sken break; 307229997Sken } 308229997Sken 309273317Smav if (softc != NULL) { 310273317Smav#ifdef CTLFEDEBUG 311273317Smav printf("%s: CTL port for CAM path %u already exists\n", 312273317Smav __func__, xpt_path_path_id(path)); 313273317Smav#endif 314273317Smav break; 315273317Smav } 316273317Smav 317229997Sken#ifdef CTLFE_INIT_ENABLE 318229997Sken if (ctlfe_num_targets >= ctlfe_max_targets) { 319229997Sken union ccb *ccb; 320229997Sken 321229997Sken ccb = (union ccb *)malloc(sizeof(*ccb), M_TEMP, 322229997Sken M_NOWAIT | M_ZERO); 323229997Sken if (ccb == NULL) { 324229997Sken printf("%s: unable to malloc CCB!\n", __func__); 325229997Sken return; 326229997Sken } 327260387Sscottl xpt_setup_ccb(&ccb->ccb_h, path, CAM_PRIORITY_NONE); 328229997Sken 329229997Sken ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 330229997Sken ccb->knob.xport_specific.valid = KNOB_VALID_ROLE; 331229997Sken ccb->knob.xport_specific.fc.role = KNOB_ROLE_INITIATOR; 332229997Sken 333229997Sken xpt_action(ccb); 334229997Sken 335229997Sken if ((ccb->ccb_h.status & CAM_STATUS_MASK) != 336229997Sken CAM_REQ_CMP) { 337229997Sken printf("%s: SIM %s%d (path id %d) initiator " 338229997Sken "enable failed with status %#x\n", 339229997Sken __func__, cpi->dev_name, 340229997Sken cpi->unit_number, cpi->ccb_h.path_id, 341229997Sken ccb->ccb_h.status); 342229997Sken } else { 343229997Sken printf("%s: SIM %s%d (path id %d) initiator " 344229997Sken "enable succeeded\n", 345229997Sken __func__, cpi->dev_name, 346229997Sken cpi->unit_number, cpi->ccb_h.path_id); 347229997Sken } 348229997Sken 349229997Sken free(ccb, M_TEMP); 350229997Sken 351229997Sken break; 352229997Sken } else { 353229997Sken ctlfe_num_targets++; 354229997Sken } 355229997Sken 356229997Sken printf("%s: ctlfe_num_targets = %d\n", __func__, 357229997Sken ctlfe_num_targets); 358229997Sken#endif /* CTLFE_INIT_ENABLE */ 359229997Sken 360229997Sken /* 361229997Sken * We're in an interrupt context here, so we have to 362229997Sken * use M_NOWAIT. Of course this means trouble if we 363229997Sken * can't allocate memory. 364229997Sken */ 365273317Smav softc = malloc(sizeof(*softc), M_CTLFE, M_NOWAIT | M_ZERO); 366273317Smav if (softc == NULL) { 367229997Sken printf("%s: unable to malloc %zd bytes for softc\n", 368273317Smav __func__, sizeof(*softc)); 369229997Sken return; 370229997Sken } 371229997Sken 372273317Smav softc->path_id = cpi->ccb_h.path_id; 373273317Smav softc->sim = xpt_path_sim(path); 374265641Smav if (cpi->maxio != 0) 375273317Smav softc->maxio = cpi->maxio; 376265641Smav else 377273317Smav softc->maxio = DFLTPHYS; 378273317Smav mtx_init(&softc->lun_softc_mtx, "LUN softc mtx", NULL, MTX_DEF); 379273317Smav STAILQ_INIT(&softc->lun_softc_list); 380229997Sken 381273317Smav port = &softc->port; 382268677Smav port->frontend = &ctlfe_frontend; 383229997Sken 384229997Sken /* 385229997Sken * XXX KDM should we be more accurate here ? 386229997Sken */ 387229997Sken if (cpi->transport == XPORT_FC) 388268677Smav port->port_type = CTL_PORT_FC; 389268694Smav else if (cpi->transport == XPORT_SAS) 390268694Smav port->port_type = CTL_PORT_SAS; 391229997Sken else 392268677Smav port->port_type = CTL_PORT_SCSI; 393229997Sken 394229997Sken /* XXX KDM what should the real number be here? */ 395268677Smav port->num_requested_ctl_io = 4096; 396273317Smav snprintf(softc->port_name, sizeof(softc->port_name), 397229997Sken "%s%d", cpi->dev_name, cpi->unit_number); 398229997Sken /* 399229997Sken * XXX KDM it would be nice to allocate storage in the 400229997Sken * frontend structure itself. 401229997Sken */ 402273317Smav port->port_name = softc->port_name; 403273319Smav port->physical_port = cpi->bus_id; 404273319Smav port->virtual_port = 0; 405268677Smav port->port_online = ctlfe_online; 406268677Smav port->port_offline = ctlfe_offline; 407273317Smav port->onoff_arg = softc; 408268677Smav port->lun_enable = ctlfe_lun_enable; 409268677Smav port->lun_disable = ctlfe_lun_disable; 410273317Smav port->targ_lun_arg = softc; 411268677Smav port->fe_datamove = ctlfe_datamove_done; 412268677Smav port->fe_done = ctlfe_datamove_done; 413229997Sken /* 414229997Sken * XXX KDM the path inquiry doesn't give us the maximum 415229997Sken * number of targets supported. 416229997Sken */ 417268677Smav port->max_targets = cpi->max_target; 418268677Smav port->max_target_id = cpi->max_target; 419229997Sken 420229997Sken /* 421229997Sken * XXX KDM need to figure out whether we're the master or 422229997Sken * slave. 423229997Sken */ 424230033Sken#ifdef CTLFEDEBUG 425268677Smav printf("%s: calling ctl_port_register() for %s%d\n", 426229997Sken __func__, cpi->dev_name, cpi->unit_number); 427230033Sken#endif 428268677Smav retval = ctl_port_register(port, /*master_SC*/ 1); 429229997Sken if (retval != 0) { 430268677Smav printf("%s: ctl_port_register() failed with " 431229997Sken "error %d!\n", __func__, retval); 432273317Smav mtx_destroy(&softc->lun_softc_mtx); 433273317Smav free(softc, M_CTLFE); 434229997Sken break; 435229997Sken } else { 436229997Sken mtx_lock(&ctlfe_list_mtx); 437273317Smav STAILQ_INSERT_TAIL(&ctlfe_softc_list, softc, links); 438229997Sken mtx_unlock(&ctlfe_list_mtx); 439229997Sken } 440229997Sken 441245228Sken break; 442245228Sken } 443245228Sken case AC_PATH_DEREGISTERED: { 444245228Sken 445245228Sken if (softc != NULL) { 446245228Sken /* 447245228Sken * XXX KDM are we certain at this point that there 448245228Sken * are no outstanding commands for this frontend? 449245228Sken */ 450273317Smav mtx_lock(&ctlfe_list_mtx); 451273317Smav STAILQ_REMOVE(&ctlfe_softc_list, softc, ctlfe_softc, 452273317Smav links); 453273317Smav mtx_unlock(&ctlfe_list_mtx); 454268677Smav ctl_port_deregister(&softc->port); 455260387Sscottl mtx_destroy(&softc->lun_softc_mtx); 456245228Sken free(softc, M_CTLFE); 457229997Sken } 458229997Sken break; 459229997Sken } 460229997Sken case AC_CONTRACT: { 461229997Sken struct ac_contract *ac; 462229997Sken 463229997Sken ac = (struct ac_contract *)arg; 464229997Sken 465229997Sken switch (ac->contract_number) { 466229997Sken case AC_CONTRACT_DEV_CHG: { 467229997Sken struct ac_device_changed *dev_chg; 468273317Smav int retval; 469229997Sken 470229997Sken dev_chg = (struct ac_device_changed *)ac->contract_data; 471229997Sken 472236426Smjacob printf("%s: WWPN %#jx port 0x%06x path %u target %u %s\n", 473229997Sken __func__, dev_chg->wwpn, dev_chg->port, 474229997Sken xpt_path_path_id(path), dev_chg->target, 475229997Sken (dev_chg->arrived == 0) ? "left" : "arrived"); 476229997Sken 477273317Smav if (softc == NULL) { 478229997Sken printf("%s: CTL port for CAM path %u not " 479229997Sken "found!\n", __func__, 480229997Sken xpt_path_path_id(path)); 481229997Sken break; 482229997Sken } 483229997Sken if (dev_chg->arrived != 0) { 484268692Smav retval = ctl_add_initiator(&softc->port, 485268692Smav dev_chg->target, dev_chg->wwpn, NULL); 486229997Sken } else { 487268692Smav retval = ctl_remove_initiator(&softc->port, 488268692Smav dev_chg->target); 489229997Sken } 490229997Sken 491268692Smav if (retval < 0) { 492229997Sken printf("%s: could not %s port %d iid %u " 493229997Sken "WWPN %#jx!\n", __func__, 494229997Sken (dev_chg->arrived != 0) ? "add" : 495268677Smav "remove", softc->port.targ_port, 496229997Sken dev_chg->target, 497229997Sken (uintmax_t)dev_chg->wwpn); 498229997Sken } 499229997Sken break; 500229997Sken } 501229997Sken default: 502229997Sken printf("%s: unsupported contract number %ju\n", 503229997Sken __func__, (uintmax_t)ac->contract_number); 504229997Sken break; 505229997Sken } 506229997Sken break; 507229997Sken } 508229997Sken default: 509229997Sken break; 510229997Sken } 511229997Sken} 512229997Sken 513229997Skenstatic cam_status 514229997Skenctlferegister(struct cam_periph *periph, void *arg) 515229997Sken{ 516229997Sken struct ctlfe_softc *bus_softc; 517229997Sken struct ctlfe_lun_softc *softc; 518229997Sken union ccb en_lun_ccb; 519229997Sken cam_status status; 520229997Sken int i; 521229997Sken 522229997Sken softc = (struct ctlfe_lun_softc *)arg; 523229997Sken bus_softc = softc->parent_softc; 524229997Sken 525229997Sken TAILQ_INIT(&softc->work_queue); 526229997Sken softc->periph = periph; 527229997Sken 528260387Sscottl callout_init_mtx(&softc->dma_callout, xpt_path_mtx(periph->path), 529260387Sscottl /*flags*/ 0); 530229997Sken periph->softc = softc; 531229997Sken 532242174Smav xpt_setup_ccb(&en_lun_ccb.ccb_h, periph->path, CAM_PRIORITY_NONE); 533229997Sken en_lun_ccb.ccb_h.func_code = XPT_EN_LUN; 534229997Sken en_lun_ccb.cel.grp6_len = 0; 535229997Sken en_lun_ccb.cel.grp7_len = 0; 536229997Sken en_lun_ccb.cel.enable = 1; 537229997Sken xpt_action(&en_lun_ccb); 538229997Sken status = (en_lun_ccb.ccb_h.status & CAM_STATUS_MASK); 539229997Sken if (status != CAM_REQ_CMP) { 540229997Sken xpt_print(periph->path, "%s: Enable LUN failed, status 0x%x\n", 541229997Sken __func__, en_lun_ccb.ccb_h.status); 542229997Sken return (status); 543229997Sken } 544229997Sken 545229997Sken status = CAM_REQ_CMP; 546229997Sken 547229997Sken for (i = 0; i < CTLFE_ATIO_PER_LUN; i++) { 548229997Sken union ccb *new_ccb; 549229997Sken 550229997Sken new_ccb = (union ccb *)malloc(sizeof(*new_ccb), M_CTLFE, 551236426Smjacob M_ZERO|M_NOWAIT); 552229997Sken if (new_ccb == NULL) { 553229997Sken status = CAM_RESRC_UNAVAIL; 554229997Sken break; 555229997Sken } 556229997Sken xpt_setup_ccb(&new_ccb->ccb_h, periph->path, /*priority*/ 1); 557229997Sken new_ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO; 558229997Sken new_ccb->ccb_h.cbfcnp = ctlfedone; 559260387Sscottl new_ccb->ccb_h.flags |= CAM_UNLOCKED; 560229997Sken xpt_action(new_ccb); 561229997Sken softc->atios_sent++; 562229997Sken status = new_ccb->ccb_h.status; 563229997Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 564229997Sken free(new_ccb, M_CTLFE); 565229997Sken break; 566229997Sken } 567229997Sken } 568229997Sken 569229997Sken status = cam_periph_acquire(periph); 570229997Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 571229997Sken xpt_print(periph->path, "%s: could not acquire reference " 572229997Sken "count, status = %#x\n", __func__, status); 573229997Sken return (status); 574229997Sken } 575229997Sken 576229997Sken if (i == 0) { 577229997Sken xpt_print(periph->path, "%s: could not allocate ATIO CCBs, " 578229997Sken "status 0x%x\n", __func__, status); 579229997Sken return (CAM_REQ_CMP_ERR); 580229997Sken } 581229997Sken 582229997Sken for (i = 0; i < CTLFE_IN_PER_LUN; i++) { 583229997Sken union ccb *new_ccb; 584229997Sken 585229997Sken new_ccb = (union ccb *)malloc(sizeof(*new_ccb), M_CTLFE, 586236426Smjacob M_ZERO|M_NOWAIT); 587229997Sken if (new_ccb == NULL) { 588229997Sken status = CAM_RESRC_UNAVAIL; 589229997Sken break; 590229997Sken } 591229997Sken 592229997Sken xpt_setup_ccb(&new_ccb->ccb_h, periph->path, /*priority*/ 1); 593229997Sken new_ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 594229997Sken new_ccb->ccb_h.cbfcnp = ctlfedone; 595260387Sscottl new_ccb->ccb_h.flags |= CAM_UNLOCKED; 596229997Sken xpt_action(new_ccb); 597229997Sken softc->inots_sent++; 598229997Sken status = new_ccb->ccb_h.status; 599237601Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 600237601Sken /* 601237601Sken * Note that we don't free the CCB here. If the 602237601Sken * status is not CAM_REQ_INPROG, then we're 603237601Sken * probably talking to a SIM that says it is 604237601Sken * target-capable but doesn't support the 605237601Sken * XPT_IMMEDIATE_NOTIFY CCB. i.e. it supports the 606237601Sken * older API. In that case, it'll call xpt_done() 607237601Sken * on the CCB, and we need to free it in our done 608237601Sken * routine as a result. 609237601Sken */ 610229997Sken break; 611229997Sken } 612229997Sken } 613237601Sken if ((i == 0) 614237601Sken || (status != CAM_REQ_INPROG)) { 615229997Sken xpt_print(periph->path, "%s: could not allocate immediate " 616229997Sken "notify CCBs, status 0x%x\n", __func__, status); 617229997Sken return (CAM_REQ_CMP_ERR); 618229997Sken } 619229997Sken return (CAM_REQ_CMP); 620229997Sken} 621229997Sken 622229997Skenstatic void 623229997Skenctlfeoninvalidate(struct cam_periph *periph) 624229997Sken{ 625229997Sken union ccb en_lun_ccb; 626229997Sken cam_status status; 627260387Sscottl struct ctlfe_softc *bus_softc; 628229997Sken struct ctlfe_lun_softc *softc; 629229997Sken 630229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 631229997Sken 632242174Smav xpt_setup_ccb(&en_lun_ccb.ccb_h, periph->path, CAM_PRIORITY_NONE); 633229997Sken en_lun_ccb.ccb_h.func_code = XPT_EN_LUN; 634229997Sken en_lun_ccb.cel.grp6_len = 0; 635229997Sken en_lun_ccb.cel.grp7_len = 0; 636229997Sken en_lun_ccb.cel.enable = 0; 637229997Sken xpt_action(&en_lun_ccb); 638229997Sken status = (en_lun_ccb.ccb_h.status & CAM_STATUS_MASK); 639229997Sken if (status != CAM_REQ_CMP) { 640229997Sken xpt_print(periph->path, "%s: Disable LUN failed, status 0x%x\n", 641229997Sken __func__, en_lun_ccb.ccb_h.status); 642229997Sken /* 643229997Sken * XXX KDM what do we do now? 644229997Sken */ 645229997Sken } 646229997Sken xpt_print(periph->path, "LUN removed, %ju ATIOs outstanding, %ju " 647229997Sken "INOTs outstanding, %d refs\n", softc->atios_sent - 648229997Sken softc->atios_returned, softc->inots_sent - 649229997Sken softc->inots_returned, periph->refcount); 650260387Sscottl 651260387Sscottl bus_softc = softc->parent_softc; 652260387Sscottl mtx_lock(&bus_softc->lun_softc_mtx); 653260387Sscottl STAILQ_REMOVE(&bus_softc->lun_softc_list, softc, ctlfe_lun_softc, links); 654260387Sscottl mtx_unlock(&bus_softc->lun_softc_mtx); 655229997Sken} 656229997Sken 657229997Skenstatic void 658229997Skenctlfecleanup(struct cam_periph *periph) 659229997Sken{ 660229997Sken struct ctlfe_lun_softc *softc; 661229997Sken 662229997Sken xpt_print(periph->path, "%s: Called\n", __func__); 663229997Sken 664229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 665229997Sken 666229997Sken /* 667229997Sken * XXX KDM is there anything else that needs to be done here? 668229997Sken */ 669245228Sken 670245228Sken callout_stop(&softc->dma_callout); 671245228Sken 672229997Sken free(softc, M_CTLFE); 673229997Sken} 674229997Sken 675229997Skenstatic void 676265641Smavctlfedata(struct ctlfe_lun_softc *softc, union ctl_io *io, 677265641Smav ccb_flags *flags, uint8_t **data_ptr, uint32_t *dxfer_len, 678265641Smav u_int16_t *sglist_cnt) 679265641Smav{ 680265641Smav struct ctlfe_softc *bus_softc; 681265641Smav struct ctlfe_lun_cmd_info *cmd_info; 682265641Smav struct ctl_sg_entry *ctl_sglist; 683265641Smav bus_dma_segment_t *cam_sglist; 684265641Smav size_t off; 685265641Smav int i, idx; 686265641Smav 687265641Smav cmd_info = (struct ctlfe_lun_cmd_info *)io->io_hdr.port_priv; 688265641Smav bus_softc = softc->parent_softc; 689265641Smav 690265641Smav /* 691265641Smav * Set the direction, relative to the initiator. 692265641Smav */ 693265641Smav *flags &= ~CAM_DIR_MASK; 694265641Smav if ((io->io_hdr.flags & CTL_FLAG_DATA_MASK) == CTL_FLAG_DATA_IN) 695265641Smav *flags |= CAM_DIR_IN; 696265641Smav else 697265641Smav *flags |= CAM_DIR_OUT; 698265641Smav 699265641Smav *flags &= ~CAM_DATA_MASK; 700265641Smav idx = cmd_info->cur_transfer_index; 701265641Smav off = cmd_info->cur_transfer_off; 702265641Smav cmd_info->flags &= ~CTLFE_CMD_PIECEWISE; 703265641Smav if (io->scsiio.kern_sg_entries == 0) { 704265641Smav /* No S/G list. */ 705265641Smav *data_ptr = io->scsiio.kern_data_ptr + off; 706265641Smav if (io->scsiio.kern_data_len - off <= bus_softc->maxio) { 707265641Smav *dxfer_len = io->scsiio.kern_data_len - off; 708265641Smav } else { 709265641Smav *dxfer_len = bus_softc->maxio; 710265641Smav cmd_info->cur_transfer_index = -1; 711265641Smav cmd_info->cur_transfer_off = bus_softc->maxio; 712265641Smav cmd_info->flags |= CTLFE_CMD_PIECEWISE; 713265641Smav } 714265641Smav *sglist_cnt = 0; 715265641Smav 716265641Smav if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) 717265641Smav *flags |= CAM_DATA_PADDR; 718265641Smav else 719265641Smav *flags |= CAM_DATA_VADDR; 720265641Smav } else { 721265641Smav /* S/G list with physical or virtual pointers. */ 722265641Smav ctl_sglist = (struct ctl_sg_entry *)io->scsiio.kern_data_ptr; 723265641Smav cam_sglist = cmd_info->cam_sglist; 724265641Smav *dxfer_len = 0; 725265641Smav for (i = 0; i < io->scsiio.kern_sg_entries - idx; i++) { 726265641Smav cam_sglist[i].ds_addr = (bus_addr_t)ctl_sglist[i + idx].addr + off; 727265641Smav if (ctl_sglist[i + idx].len - off <= bus_softc->maxio - *dxfer_len) { 728265641Smav cam_sglist[i].ds_len = ctl_sglist[idx + i].len - off; 729265641Smav *dxfer_len += cam_sglist[i].ds_len; 730265641Smav } else { 731265641Smav cam_sglist[i].ds_len = bus_softc->maxio - *dxfer_len; 732265641Smav cmd_info->cur_transfer_index = idx + i; 733265641Smav cmd_info->cur_transfer_off = cam_sglist[i].ds_len + off; 734265641Smav cmd_info->flags |= CTLFE_CMD_PIECEWISE; 735265641Smav *dxfer_len += cam_sglist[i].ds_len; 736265641Smav if (ctl_sglist[i].len != 0) 737265641Smav i++; 738265641Smav break; 739265641Smav } 740265641Smav if (i == (CTLFE_MAX_SEGS - 1) && 741265641Smav idx + i < (io->scsiio.kern_sg_entries - 1)) { 742265641Smav cmd_info->cur_transfer_index = idx + i + 1; 743265641Smav cmd_info->cur_transfer_off = 0; 744265641Smav cmd_info->flags |= CTLFE_CMD_PIECEWISE; 745265641Smav i++; 746265641Smav break; 747265641Smav } 748265641Smav off = 0; 749265641Smav } 750265641Smav *sglist_cnt = i; 751265641Smav if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) 752265641Smav *flags |= CAM_DATA_SG_PADDR; 753265641Smav else 754265641Smav *flags |= CAM_DATA_SG; 755265641Smav *data_ptr = (uint8_t *)cam_sglist; 756265641Smav } 757265641Smav} 758265641Smav 759265641Smavstatic void 760229997Skenctlfestart(struct cam_periph *periph, union ccb *start_ccb) 761229997Sken{ 762229997Sken struct ctlfe_lun_softc *softc; 763229997Sken struct ccb_hdr *ccb_h; 764229997Sken 765229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 766229997Sken 767229997Sken softc->ccbs_alloced++; 768229997Sken 769245228Sken start_ccb->ccb_h.ccb_type = CTLFE_CCB_DEFAULT; 770245228Sken 771229997Sken ccb_h = TAILQ_FIRST(&softc->work_queue); 772260387Sscottl if (ccb_h == NULL) { 773229997Sken softc->ccbs_freed++; 774229997Sken xpt_release_ccb(start_ccb); 775229997Sken } else { 776229997Sken struct ccb_accept_tio *atio; 777229997Sken struct ccb_scsiio *csio; 778229997Sken uint8_t *data_ptr; 779229997Sken uint32_t dxfer_len; 780229997Sken ccb_flags flags; 781229997Sken union ctl_io *io; 782229997Sken uint8_t scsi_status; 783229997Sken 784229997Sken /* Take the ATIO off the work queue */ 785229997Sken TAILQ_REMOVE(&softc->work_queue, ccb_h, periph_links.tqe); 786229997Sken atio = (struct ccb_accept_tio *)ccb_h; 787229997Sken io = (union ctl_io *)ccb_h->io_ptr; 788229997Sken csio = &start_ccb->csio; 789229997Sken 790229997Sken flags = atio->ccb_h.flags & 791229997Sken (CAM_DIS_DISCONNECT|CAM_TAG_ACTION_VALID|CAM_DIR_MASK); 792229997Sken 793229997Sken if ((io == NULL) 794229997Sken || (io->io_hdr.status & CTL_STATUS_MASK) != CTL_STATUS_NONE) { 795229997Sken /* 796229997Sken * We're done, send status back. 797229997Sken */ 798229997Sken flags |= CAM_SEND_STATUS; 799229997Sken if (io == NULL) { 800229997Sken scsi_status = SCSI_STATUS_BUSY; 801229997Sken csio->sense_len = 0; 802269296Smav } else if ((io->io_hdr.flags & CTL_FLAG_ABORT) && 803268697Smav (io->io_hdr.flags & CTL_FLAG_ABORT_STATUS) == 0) { 804229997Sken io->io_hdr.flags &= ~CTL_FLAG_STATUS_QUEUED; 805229997Sken 806229997Sken /* 807229997Sken * If this command was aborted, we don't 808229997Sken * need to send status back to the SIM. 809229997Sken * Just free the CTIO and ctl_io, and 810229997Sken * recycle the ATIO back to the SIM. 811229997Sken */ 812229997Sken xpt_print(periph->path, "%s: aborted " 813229997Sken "command 0x%04x discarded\n", 814229997Sken __func__, io->scsiio.tag_num); 815229997Sken ctl_free_io(io); 816229997Sken /* 817229997Sken * For a wildcard attachment, commands can 818229997Sken * come in with a specific target/lun. Reset 819229997Sken * the target and LUN fields back to the 820229997Sken * wildcard values before we send them back 821229997Sken * down to the SIM. The SIM has a wildcard 822229997Sken * LUN enabled, not whatever target/lun 823229997Sken * these happened to be. 824229997Sken */ 825229997Sken if (softc->flags & CTLFE_LUN_WILDCARD) { 826229997Sken atio->ccb_h.target_id = 827229997Sken CAM_TARGET_WILDCARD; 828229997Sken atio->ccb_h.target_lun = 829229997Sken CAM_LUN_WILDCARD; 830229997Sken } 831229997Sken 832229997Sken if ((atio->ccb_h.status & CAM_DEV_QFRZN) != 0) { 833229997Sken cam_release_devq(periph->path, 834229997Sken /*relsim_flags*/0, 835229997Sken /*reduction*/0, 836229997Sken /*timeout*/0, 837229997Sken /*getcount_only*/0); 838229997Sken atio->ccb_h.status &= ~CAM_DEV_QFRZN; 839229997Sken } 840229997Sken 841229997Sken ccb_h = TAILQ_FIRST(&softc->work_queue); 842229997Sken 843229997Sken if (atio->ccb_h.func_code != 844229997Sken XPT_ACCEPT_TARGET_IO) { 845229997Sken xpt_print(periph->path, "%s: func_code " 846229997Sken "is %#x\n", __func__, 847229997Sken atio->ccb_h.func_code); 848229997Sken } 849229997Sken start_ccb->ccb_h.func_code = XPT_ABORT; 850229997Sken start_ccb->cab.abort_ccb = (union ccb *)atio; 851229997Sken 852229997Sken /* Tell the SIM that we've aborted this ATIO */ 853229997Sken xpt_action(start_ccb); 854229997Sken softc->ccbs_freed++; 855229997Sken xpt_release_ccb(start_ccb); 856229997Sken 857229997Sken /* 858229997Sken * Send the ATIO back down to the SIM. 859229997Sken */ 860229997Sken xpt_action((union ccb *)atio); 861229997Sken softc->atios_sent++; 862229997Sken 863229997Sken /* 864229997Sken * If we still have work to do, ask for 865229997Sken * another CCB. Otherwise, deactivate our 866229997Sken * callout. 867229997Sken */ 868229997Sken if (ccb_h != NULL) 869229997Sken xpt_schedule(periph, /*priority*/ 1); 870229997Sken else 871229997Sken callout_stop(&softc->dma_callout); 872229997Sken 873229997Sken return; 874229997Sken } else { 875229997Sken io->io_hdr.flags &= ~CTL_FLAG_STATUS_QUEUED; 876229997Sken scsi_status = io->scsiio.scsi_status; 877229997Sken csio->sense_len = io->scsiio.sense_len; 878229997Sken } 879229997Sken data_ptr = NULL; 880229997Sken dxfer_len = 0; 881229997Sken if (io == NULL) { 882229997Sken printf("%s: tag %04x io is NULL\n", __func__, 883229997Sken atio->tag_id); 884229997Sken } else { 885229997Sken#ifdef CTLFEDEBUG 886229997Sken printf("%s: tag %04x status %x\n", __func__, 887229997Sken atio->tag_id, io->io_hdr.status); 888229997Sken#endif 889229997Sken } 890229997Sken csio->sglist_cnt = 0; 891229997Sken if (csio->sense_len != 0) { 892229997Sken csio->sense_data = io->scsiio.sense_data; 893229997Sken flags |= CAM_SEND_SENSE; 894229997Sken } else if (scsi_status == SCSI_STATUS_CHECK_COND) { 895229997Sken xpt_print(periph->path, "%s: check condition " 896229997Sken "with no sense\n", __func__); 897229997Sken } 898229997Sken } else { 899229997Sken struct ctlfe_lun_cmd_info *cmd_info; 900229997Sken 901229997Sken /* 902229997Sken * Datamove call, we need to setup the S/G list. 903229997Sken */ 904229997Sken 905229997Sken cmd_info = (struct ctlfe_lun_cmd_info *) 906229997Sken io->io_hdr.port_priv; 907229997Sken 908229997Sken KASSERT(sizeof(*cmd_info) < CTL_PORT_PRIV_SIZE, 909229997Sken ("%s: sizeof(struct ctlfe_lun_cmd_info) %zd < " 910229997Sken "CTL_PORT_PRIV_SIZE %d", __func__, 911229997Sken sizeof(*cmd_info), CTL_PORT_PRIV_SIZE)); 912229997Sken io->io_hdr.flags &= ~CTL_FLAG_DMA_QUEUED; 913229997Sken 914229997Sken /* 915229997Sken * Need to zero this, in case it has been used for 916229997Sken * a previous datamove for this particular I/O. 917229997Sken */ 918229997Sken bzero(cmd_info, sizeof(*cmd_info)); 919229997Sken scsi_status = 0; 920229997Sken 921229997Sken csio->cdb_len = atio->cdb_len; 922229997Sken 923265641Smav ctlfedata(softc, io, &flags, &data_ptr, &dxfer_len, 924265641Smav &csio->sglist_cnt); 925229997Sken 926229997Sken io->scsiio.ext_data_filled += dxfer_len; 927229997Sken 928229997Sken if (io->scsiio.ext_data_filled > 929229997Sken io->scsiio.kern_total_len) { 930229997Sken xpt_print(periph->path, "%s: tag 0x%04x " 931229997Sken "fill len %u > total %u\n", 932229997Sken __func__, io->scsiio.tag_num, 933229997Sken io->scsiio.ext_data_filled, 934229997Sken io->scsiio.kern_total_len); 935229997Sken } 936229997Sken } 937229997Sken 938229997Sken#ifdef CTLFEDEBUG 939229997Sken printf("%s: %s: tag %04x flags %x ptr %p len %u\n", __func__, 940229997Sken (flags & CAM_SEND_STATUS) ? "done" : "datamove", 941229997Sken atio->tag_id, flags, data_ptr, dxfer_len); 942229997Sken#endif 943229997Sken 944229997Sken /* 945229997Sken * Valid combinations: 946255117Smav * - CAM_SEND_STATUS, CAM_DATA_SG = 0, dxfer_len = 0, 947229997Sken * sglist_cnt = 0 948255117Smav * - CAM_SEND_STATUS = 0, CAM_DATA_SG = 0, dxfer_len != 0, 949229997Sken * sglist_cnt = 0 950255117Smav * - CAM_SEND_STATUS = 0, CAM_DATA_SG, dxfer_len != 0, 951229997Sken * sglist_cnt != 0 952229997Sken */ 953229997Sken#ifdef CTLFEDEBUG 954229997Sken if (((flags & CAM_SEND_STATUS) 955255117Smav && (((flags & CAM_DATA_SG) != 0) 956229997Sken || (dxfer_len != 0) 957229997Sken || (csio->sglist_cnt != 0))) 958229997Sken || (((flags & CAM_SEND_STATUS) == 0) 959229997Sken && (dxfer_len == 0)) 960255117Smav || ((flags & CAM_DATA_SG) 961229997Sken && (csio->sglist_cnt == 0)) 962255117Smav || (((flags & CAM_DATA_SG) == 0) 963229997Sken && (csio->sglist_cnt != 0))) { 964229997Sken printf("%s: tag %04x cdb %02x flags %#x dxfer_len " 965229997Sken "%d sg %u\n", __func__, atio->tag_id, 966229997Sken atio->cdb_io.cdb_bytes[0], flags, dxfer_len, 967229997Sken csio->sglist_cnt); 968229997Sken if (io != NULL) { 969229997Sken printf("%s: tag %04x io status %#x\n", __func__, 970229997Sken atio->tag_id, io->io_hdr.status); 971229997Sken } else { 972229997Sken printf("%s: tag %04x no associated io\n", 973229997Sken __func__, atio->tag_id); 974229997Sken } 975229997Sken } 976229997Sken#endif 977229997Sken cam_fill_ctio(csio, 978229997Sken /*retries*/ 2, 979229997Sken ctlfedone, 980229997Sken flags, 981229997Sken (flags & CAM_TAG_ACTION_VALID) ? 982229997Sken MSG_SIMPLE_Q_TAG : 0, 983229997Sken atio->tag_id, 984229997Sken atio->init_id, 985229997Sken scsi_status, 986229997Sken /*data_ptr*/ data_ptr, 987229997Sken /*dxfer_len*/ dxfer_len, 988229997Sken /*timeout*/ 5 * 1000); 989260387Sscottl start_ccb->ccb_h.flags |= CAM_UNLOCKED; 990229997Sken start_ccb->ccb_h.ccb_atio = atio; 991229997Sken if (((flags & CAM_SEND_STATUS) == 0) 992229997Sken && (io != NULL)) 993229997Sken io->io_hdr.flags |= CTL_FLAG_DMA_INPROG; 994229997Sken 995229997Sken softc->ctios_sent++; 996229997Sken 997260387Sscottl cam_periph_unlock(periph); 998229997Sken xpt_action(start_ccb); 999260387Sscottl cam_periph_lock(periph); 1000229997Sken 1001229997Sken if ((atio->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1002229997Sken cam_release_devq(periph->path, 1003229997Sken /*relsim_flags*/0, 1004229997Sken /*reduction*/0, 1005229997Sken /*timeout*/0, 1006229997Sken /*getcount_only*/0); 1007229997Sken atio->ccb_h.status &= ~CAM_DEV_QFRZN; 1008229997Sken } 1009229997Sken 1010229997Sken ccb_h = TAILQ_FIRST(&softc->work_queue); 1011229997Sken } 1012229997Sken /* 1013229997Sken * If we still have work to do, ask for another CCB. Otherwise, 1014229997Sken * deactivate our callout. 1015229997Sken */ 1016229997Sken if (ccb_h != NULL) 1017229997Sken xpt_schedule(periph, /*priority*/ 1); 1018229997Sken else 1019229997Sken callout_stop(&softc->dma_callout); 1020229997Sken} 1021229997Sken 1022229997Skenstatic void 1023229997Skenctlfe_free_ccb(struct cam_periph *periph, union ccb *ccb) 1024229997Sken{ 1025229997Sken struct ctlfe_lun_softc *softc; 1026229997Sken 1027229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 1028229997Sken 1029229997Sken switch (ccb->ccb_h.func_code) { 1030229997Sken case XPT_ACCEPT_TARGET_IO: 1031229997Sken softc->atios_returned++; 1032229997Sken break; 1033229997Sken case XPT_IMMEDIATE_NOTIFY: 1034229997Sken case XPT_NOTIFY_ACKNOWLEDGE: 1035229997Sken softc->inots_returned++; 1036229997Sken break; 1037229997Sken default: 1038229997Sken break; 1039229997Sken } 1040229997Sken 1041229997Sken free(ccb, M_CTLFE); 1042229997Sken 1043229997Sken KASSERT(softc->atios_returned <= softc->atios_sent, ("%s: " 1044229997Sken "atios_returned %ju > atios_sent %ju", __func__, 1045229997Sken softc->atios_returned, softc->atios_sent)); 1046229997Sken KASSERT(softc->inots_returned <= softc->inots_sent, ("%s: " 1047229997Sken "inots_returned %ju > inots_sent %ju", __func__, 1048229997Sken softc->inots_returned, softc->inots_sent)); 1049229997Sken 1050229997Sken /* 1051229997Sken * If we have received all of our CCBs, we can release our 1052229997Sken * reference on the peripheral driver. It will probably go away 1053229997Sken * now. 1054229997Sken */ 1055229997Sken if ((softc->atios_returned == softc->atios_sent) 1056229997Sken && (softc->inots_returned == softc->inots_sent)) { 1057229997Sken cam_periph_release_locked(periph); 1058229997Sken } 1059229997Sken} 1060229997Sken 1061238870Smjacobstatic int 1062238870Smjacobctlfe_adjust_cdb(struct ccb_accept_tio *atio, uint32_t offset) 1063238870Smjacob{ 1064238870Smjacob uint64_t lba; 1065238870Smjacob uint32_t num_blocks, nbc; 1066238870Smjacob uint8_t *cmdbyt = (atio->ccb_h.flags & CAM_CDB_POINTER)? 1067238870Smjacob atio->cdb_io.cdb_ptr : atio->cdb_io.cdb_bytes; 1068238870Smjacob 1069238870Smjacob nbc = offset >> 9; /* ASSUMING 512 BYTE BLOCKS */ 1070238870Smjacob 1071238870Smjacob switch (cmdbyt[0]) { 1072238870Smjacob case READ_6: 1073238870Smjacob case WRITE_6: 1074238870Smjacob { 1075238870Smjacob struct scsi_rw_6 *cdb = (struct scsi_rw_6 *)cmdbyt; 1076238870Smjacob lba = scsi_3btoul(cdb->addr); 1077238870Smjacob lba &= 0x1fffff; 1078238870Smjacob num_blocks = cdb->length; 1079238870Smjacob if (num_blocks == 0) 1080238870Smjacob num_blocks = 256; 1081238870Smjacob lba += nbc; 1082238870Smjacob num_blocks -= nbc; 1083238870Smjacob scsi_ulto3b(lba, cdb->addr); 1084238870Smjacob cdb->length = num_blocks; 1085238870Smjacob break; 1086238870Smjacob } 1087238870Smjacob case READ_10: 1088238870Smjacob case WRITE_10: 1089238870Smjacob { 1090238870Smjacob struct scsi_rw_10 *cdb = (struct scsi_rw_10 *)cmdbyt; 1091238870Smjacob lba = scsi_4btoul(cdb->addr); 1092238870Smjacob num_blocks = scsi_2btoul(cdb->length); 1093238870Smjacob lba += nbc; 1094238870Smjacob num_blocks -= nbc; 1095238870Smjacob scsi_ulto4b(lba, cdb->addr); 1096238870Smjacob scsi_ulto2b(num_blocks, cdb->length); 1097238870Smjacob break; 1098238870Smjacob } 1099238870Smjacob case READ_12: 1100238870Smjacob case WRITE_12: 1101238870Smjacob { 1102238870Smjacob struct scsi_rw_12 *cdb = (struct scsi_rw_12 *)cmdbyt; 1103238870Smjacob lba = scsi_4btoul(cdb->addr); 1104238870Smjacob num_blocks = scsi_4btoul(cdb->length); 1105238870Smjacob lba += nbc; 1106238870Smjacob num_blocks -= nbc; 1107238870Smjacob scsi_ulto4b(lba, cdb->addr); 1108238870Smjacob scsi_ulto4b(num_blocks, cdb->length); 1109238870Smjacob break; 1110238870Smjacob } 1111238870Smjacob case READ_16: 1112238870Smjacob case WRITE_16: 1113273311Smav case WRITE_ATOMIC_16: 1114238870Smjacob { 1115238870Smjacob struct scsi_rw_16 *cdb = (struct scsi_rw_16 *)cmdbyt; 1116238870Smjacob lba = scsi_8btou64(cdb->addr); 1117238870Smjacob num_blocks = scsi_4btoul(cdb->length); 1118238870Smjacob lba += nbc; 1119238870Smjacob num_blocks -= nbc; 1120238870Smjacob scsi_u64to8b(lba, cdb->addr); 1121238870Smjacob scsi_ulto4b(num_blocks, cdb->length); 1122238870Smjacob break; 1123238870Smjacob } 1124238870Smjacob default: 1125238870Smjacob return -1; 1126238870Smjacob } 1127238870Smjacob return (0); 1128238870Smjacob} 1129238870Smjacob 1130229997Skenstatic void 1131229997Skenctlfedone(struct cam_periph *periph, union ccb *done_ccb) 1132229997Sken{ 1133229997Sken struct ctlfe_lun_softc *softc; 1134229997Sken struct ctlfe_softc *bus_softc; 1135238870Smjacob struct ccb_accept_tio *atio = NULL; 1136238870Smjacob union ctl_io *io = NULL; 1137260387Sscottl struct mtx *mtx; 1138229997Sken 1139260387Sscottl KASSERT((done_ccb->ccb_h.flags & CAM_UNLOCKED) != 0, 1140260387Sscottl ("CCB in ctlfedone() without CAM_UNLOCKED flag")); 1141229997Sken#ifdef CTLFE_DEBUG 1142229997Sken printf("%s: entered, func_code = %#x, type = %#lx\n", __func__, 1143229997Sken done_ccb->ccb_h.func_code, done_ccb->ccb_h.ccb_type); 1144229997Sken#endif 1145229997Sken 1146229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 1147229997Sken bus_softc = softc->parent_softc; 1148260387Sscottl mtx = cam_periph_mtx(periph); 1149260387Sscottl mtx_lock(mtx); 1150229997Sken 1151229997Sken /* 1152229997Sken * If the peripheral is invalid, ATIOs and immediate notify CCBs 1153229997Sken * need to be freed. Most of the ATIOs and INOTs that come back 1154229997Sken * will be CCBs that are being returned from the SIM as a result of 1155229997Sken * our disabling the LUN. 1156229997Sken * 1157229997Sken * Other CCB types are handled in their respective cases below. 1158229997Sken */ 1159229997Sken if (periph->flags & CAM_PERIPH_INVALID) { 1160229997Sken switch (done_ccb->ccb_h.func_code) { 1161229997Sken case XPT_ACCEPT_TARGET_IO: 1162229997Sken case XPT_IMMEDIATE_NOTIFY: 1163229997Sken case XPT_NOTIFY_ACKNOWLEDGE: 1164229997Sken ctlfe_free_ccb(periph, done_ccb); 1165260387Sscottl goto out; 1166229997Sken default: 1167229997Sken break; 1168229997Sken } 1169229997Sken 1170229997Sken } 1171229997Sken switch (done_ccb->ccb_h.func_code) { 1172229997Sken case XPT_ACCEPT_TARGET_IO: { 1173229997Sken 1174229997Sken atio = &done_ccb->atio; 1175229997Sken 1176229997Sken softc->atios_returned++; 1177229997Sken 1178238870Smjacob resubmit: 1179229997Sken /* 1180229997Sken * Allocate a ctl_io, pass it to CTL, and wait for the 1181229997Sken * datamove or done. 1182229997Sken */ 1183268677Smav io = ctl_alloc_io(bus_softc->port.ctl_pool_ref); 1184229997Sken if (io == NULL) { 1185229997Sken atio->ccb_h.flags &= ~CAM_DIR_MASK; 1186229997Sken atio->ccb_h.flags |= CAM_DIR_NONE; 1187229997Sken 1188229997Sken printf("%s: ctl_alloc_io failed!\n", __func__); 1189229997Sken 1190229997Sken /* 1191229997Sken * XXX KDM need to set SCSI_STATUS_BUSY, but there 1192229997Sken * is no field in the ATIO structure to do that, 1193229997Sken * and we aren't able to allocate a ctl_io here. 1194229997Sken * What to do? 1195229997Sken */ 1196229997Sken atio->sense_len = 0; 1197229997Sken done_ccb->ccb_h.io_ptr = NULL; 1198229997Sken TAILQ_INSERT_TAIL(&softc->work_queue, &atio->ccb_h, 1199229997Sken periph_links.tqe); 1200229997Sken xpt_schedule(periph, /*priority*/ 1); 1201229997Sken break; 1202229997Sken } 1203260387Sscottl mtx_unlock(mtx); 1204229997Sken ctl_zero_io(io); 1205229997Sken 1206229997Sken /* Save pointers on both sides */ 1207229997Sken io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = done_ccb; 1208229997Sken done_ccb->ccb_h.io_ptr = io; 1209229997Sken 1210229997Sken /* 1211229997Sken * Only SCSI I/O comes down this path, resets, etc. come 1212229997Sken * down the immediate notify path below. 1213229997Sken */ 1214229997Sken io->io_hdr.io_type = CTL_IO_SCSI; 1215229997Sken io->io_hdr.nexus.initid.id = atio->init_id; 1216268677Smav io->io_hdr.nexus.targ_port = bus_softc->port.targ_port; 1217229997Sken io->io_hdr.nexus.targ_target.id = atio->ccb_h.target_id; 1218229997Sken io->io_hdr.nexus.targ_lun = atio->ccb_h.target_lun; 1219229997Sken io->scsiio.tag_num = atio->tag_id; 1220229997Sken switch (atio->tag_action) { 1221229997Sken case CAM_TAG_ACTION_NONE: 1222229997Sken io->scsiio.tag_type = CTL_TAG_UNTAGGED; 1223229997Sken break; 1224229997Sken case MSG_SIMPLE_TASK: 1225229997Sken io->scsiio.tag_type = CTL_TAG_SIMPLE; 1226229997Sken break; 1227229997Sken case MSG_HEAD_OF_QUEUE_TASK: 1228229997Sken io->scsiio.tag_type = CTL_TAG_HEAD_OF_QUEUE; 1229229997Sken break; 1230229997Sken case MSG_ORDERED_TASK: 1231229997Sken io->scsiio.tag_type = CTL_TAG_ORDERED; 1232229997Sken break; 1233229997Sken case MSG_ACA_TASK: 1234229997Sken io->scsiio.tag_type = CTL_TAG_ACA; 1235229997Sken break; 1236229997Sken default: 1237229997Sken io->scsiio.tag_type = CTL_TAG_UNTAGGED; 1238229997Sken printf("%s: unhandled tag type %#x!!\n", __func__, 1239229997Sken atio->tag_action); 1240229997Sken break; 1241229997Sken } 1242229997Sken if (atio->cdb_len > sizeof(io->scsiio.cdb)) { 1243229997Sken printf("%s: WARNING: CDB len %d > ctl_io space %zd\n", 1244229997Sken __func__, atio->cdb_len, sizeof(io->scsiio.cdb)); 1245229997Sken } 1246229997Sken io->scsiio.cdb_len = min(atio->cdb_len, sizeof(io->scsiio.cdb)); 1247229997Sken bcopy(atio->cdb_io.cdb_bytes, io->scsiio.cdb, 1248229997Sken io->scsiio.cdb_len); 1249229997Sken 1250229997Sken#ifdef CTLFEDEBUG 1251229997Sken printf("%s: %ju:%d:%ju:%d: tag %04x CDB %02x\n", __func__, 1252229997Sken (uintmax_t)io->io_hdr.nexus.initid.id, 1253229997Sken io->io_hdr.nexus.targ_port, 1254229997Sken (uintmax_t)io->io_hdr.nexus.targ_target.id, 1255229997Sken io->io_hdr.nexus.targ_lun, 1256229997Sken io->scsiio.tag_num, io->scsiio.cdb[0]); 1257229997Sken#endif 1258229997Sken 1259229997Sken ctl_queue(io); 1260260387Sscottl return; 1261229997Sken } 1262229997Sken case XPT_CONT_TARGET_IO: { 1263238870Smjacob int srr = 0; 1264238870Smjacob uint32_t srr_off = 0; 1265229997Sken 1266229997Sken atio = (struct ccb_accept_tio *)done_ccb->ccb_h.ccb_atio; 1267229997Sken io = (union ctl_io *)atio->ccb_h.io_ptr; 1268229997Sken 1269229997Sken softc->ctios_returned++; 1270229997Sken#ifdef CTLFEDEBUG 1271229997Sken printf("%s: got XPT_CONT_TARGET_IO tag %#x flags %#x\n", 1272229997Sken __func__, atio->tag_id, done_ccb->ccb_h.flags); 1273229997Sken#endif 1274229997Sken /* 1275238870Smjacob * Handle SRR case were the data pointer is pushed back hack 1276238870Smjacob */ 1277238870Smjacob if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_MESSAGE_RECV 1278238870Smjacob && done_ccb->csio.msg_ptr != NULL 1279238870Smjacob && done_ccb->csio.msg_ptr[0] == MSG_EXTENDED 1280238870Smjacob && done_ccb->csio.msg_ptr[1] == 5 1281238870Smjacob && done_ccb->csio.msg_ptr[2] == 0) { 1282238870Smjacob srr = 1; 1283238870Smjacob srr_off = 1284238870Smjacob (done_ccb->csio.msg_ptr[3] << 24) 1285238870Smjacob | (done_ccb->csio.msg_ptr[4] << 16) 1286238870Smjacob | (done_ccb->csio.msg_ptr[5] << 8) 1287238870Smjacob | (done_ccb->csio.msg_ptr[6]); 1288238870Smjacob } 1289238870Smjacob 1290238870Smjacob if (srr && (done_ccb->ccb_h.flags & CAM_SEND_STATUS)) { 1291238870Smjacob /* 1292238870Smjacob * If status was being sent, the back end data is now 1293238870Smjacob * history. Hack it up and resubmit a new command with 1294238870Smjacob * the CDB adjusted. If the SIM does the right thing, 1295238870Smjacob * all of the resid math should work. 1296238870Smjacob */ 1297238870Smjacob softc->ccbs_freed++; 1298238870Smjacob xpt_release_ccb(done_ccb); 1299238870Smjacob ctl_free_io(io); 1300238870Smjacob if (ctlfe_adjust_cdb(atio, srr_off) == 0) { 1301238870Smjacob done_ccb = (union ccb *)atio; 1302238870Smjacob goto resubmit; 1303238870Smjacob } 1304238870Smjacob /* 1305238870Smjacob * Fall through to doom.... 1306238870Smjacob */ 1307238870Smjacob } else if (srr) { 1308238870Smjacob /* 1309238870Smjacob * If we have an srr and we're still sending data, we 1310238870Smjacob * should be able to adjust offsets and cycle again. 1311238870Smjacob */ 1312238870Smjacob io->scsiio.kern_rel_offset = 1313238870Smjacob io->scsiio.ext_data_filled = srr_off; 1314238870Smjacob io->scsiio.ext_data_len = io->scsiio.kern_total_len - 1315238870Smjacob io->scsiio.kern_rel_offset; 1316238870Smjacob softc->ccbs_freed++; 1317238870Smjacob io->scsiio.io_hdr.status = CTL_STATUS_NONE; 1318238870Smjacob xpt_release_ccb(done_ccb); 1319238870Smjacob TAILQ_INSERT_HEAD(&softc->work_queue, &atio->ccb_h, 1320238870Smjacob periph_links.tqe); 1321238870Smjacob xpt_schedule(periph, /*priority*/ 1); 1322260387Sscottl break; 1323238870Smjacob } 1324238870Smjacob 1325238870Smjacob /* 1326229997Sken * If we were sending status back to the initiator, free up 1327229997Sken * resources. If we were doing a datamove, call the 1328229997Sken * datamove done routine. 1329229997Sken */ 1330229997Sken if (done_ccb->ccb_h.flags & CAM_SEND_STATUS) { 1331229997Sken softc->ccbs_freed++; 1332229997Sken xpt_release_ccb(done_ccb); 1333229997Sken ctl_free_io(io); 1334229997Sken /* 1335229997Sken * For a wildcard attachment, commands can come in 1336229997Sken * with a specific target/lun. Reset the target 1337229997Sken * and LUN fields back to the wildcard values before 1338229997Sken * we send them back down to the SIM. The SIM has 1339229997Sken * a wildcard LUN enabled, not whatever target/lun 1340229997Sken * these happened to be. 1341229997Sken */ 1342229997Sken if (softc->flags & CTLFE_LUN_WILDCARD) { 1343229997Sken atio->ccb_h.target_id = CAM_TARGET_WILDCARD; 1344229997Sken atio->ccb_h.target_lun = CAM_LUN_WILDCARD; 1345229997Sken } 1346229997Sken if (periph->flags & CAM_PERIPH_INVALID) { 1347229997Sken ctlfe_free_ccb(periph, (union ccb *)atio); 1348229997Sken } else { 1349260387Sscottl softc->atios_sent++; 1350260387Sscottl mtx_unlock(mtx); 1351229997Sken xpt_action((union ccb *)atio); 1352260387Sscottl return; 1353229997Sken } 1354229997Sken } else { 1355229997Sken struct ctlfe_lun_cmd_info *cmd_info; 1356229997Sken struct ccb_scsiio *csio; 1357229997Sken 1358229997Sken csio = &done_ccb->csio; 1359229997Sken cmd_info = (struct ctlfe_lun_cmd_info *) 1360229997Sken io->io_hdr.port_priv; 1361229997Sken 1362229997Sken io->io_hdr.flags &= ~CTL_FLAG_DMA_INPROG; 1363229997Sken 1364229997Sken io->scsiio.ext_data_len += csio->dxfer_len; 1365229997Sken if (io->scsiio.ext_data_len > 1366229997Sken io->scsiio.kern_total_len) { 1367229997Sken xpt_print(periph->path, "%s: tag 0x%04x " 1368229997Sken "done len %u > total %u sent %u\n", 1369229997Sken __func__, io->scsiio.tag_num, 1370229997Sken io->scsiio.ext_data_len, 1371229997Sken io->scsiio.kern_total_len, 1372229997Sken io->scsiio.ext_data_filled); 1373229997Sken } 1374229997Sken /* 1375229997Sken * Translate CAM status to CTL status. Success 1376229997Sken * does not change the overall, ctl_io status. In 1377229997Sken * that case we just set port_status to 0. If we 1378229997Sken * have a failure, though, set a data phase error 1379229997Sken * for the overall ctl_io. 1380229997Sken */ 1381229997Sken switch (done_ccb->ccb_h.status & CAM_STATUS_MASK) { 1382229997Sken case CAM_REQ_CMP: 1383229997Sken io->io_hdr.port_status = 0; 1384229997Sken break; 1385229997Sken default: 1386229997Sken /* 1387245228Sken * XXX KDM we probably need to figure out a 1388245228Sken * standard set of errors that the SIM 1389245228Sken * drivers should return in the event of a 1390245228Sken * data transfer failure. A data phase 1391245228Sken * error will at least point the user to a 1392245228Sken * data transfer error of some sort. 1393245228Sken * Hopefully the SIM printed out some 1394245228Sken * additional information to give the user 1395245228Sken * a clue what happened. 1396229997Sken */ 1397229997Sken io->io_hdr.port_status = 0xbad1; 1398229997Sken ctl_set_data_phase_error(&io->scsiio); 1399229997Sken /* 1400229997Sken * XXX KDM figure out residual. 1401229997Sken */ 1402229997Sken break; 1403229997Sken } 1404229997Sken /* 1405229997Sken * If we had to break this S/G list into multiple 1406229997Sken * pieces, figure out where we are in the list, and 1407229997Sken * continue sending pieces if necessary. 1408229997Sken */ 1409229997Sken if ((cmd_info->flags & CTLFE_CMD_PIECEWISE) 1410265641Smav && (io->io_hdr.port_status == 0)) { 1411229997Sken ccb_flags flags; 1412229997Sken uint8_t scsi_status; 1413229997Sken uint8_t *data_ptr; 1414229997Sken uint32_t dxfer_len; 1415229997Sken 1416229997Sken flags = atio->ccb_h.flags & 1417229997Sken (CAM_DIS_DISCONNECT| 1418265641Smav CAM_TAG_ACTION_VALID); 1419229997Sken 1420265641Smav ctlfedata(softc, io, &flags, &data_ptr, 1421265641Smav &dxfer_len, &csio->sglist_cnt); 1422229997Sken 1423229997Sken scsi_status = 0; 1424229997Sken 1425229997Sken if (((flags & CAM_SEND_STATUS) == 0) 1426229997Sken && (dxfer_len == 0)) { 1427229997Sken printf("%s: tag %04x no status or " 1428229997Sken "len cdb = %02x\n", __func__, 1429229997Sken atio->tag_id, 1430229997Sken atio->cdb_io.cdb_bytes[0]); 1431229997Sken printf("%s: tag %04x io status %#x\n", 1432229997Sken __func__, atio->tag_id, 1433229997Sken io->io_hdr.status); 1434229997Sken } 1435229997Sken 1436229997Sken cam_fill_ctio(csio, 1437229997Sken /*retries*/ 2, 1438229997Sken ctlfedone, 1439229997Sken flags, 1440229997Sken (flags & CAM_TAG_ACTION_VALID) ? 1441229997Sken MSG_SIMPLE_Q_TAG : 0, 1442229997Sken atio->tag_id, 1443229997Sken atio->init_id, 1444229997Sken scsi_status, 1445229997Sken /*data_ptr*/ data_ptr, 1446229997Sken /*dxfer_len*/ dxfer_len, 1447229997Sken /*timeout*/ 5 * 1000); 1448229997Sken 1449260387Sscottl csio->ccb_h.flags |= CAM_UNLOCKED; 1450229997Sken csio->resid = 0; 1451229997Sken csio->ccb_h.ccb_atio = atio; 1452229997Sken io->io_hdr.flags |= CTL_FLAG_DMA_INPROG; 1453229997Sken softc->ctios_sent++; 1454260387Sscottl mtx_unlock(mtx); 1455229997Sken xpt_action((union ccb *)csio); 1456229997Sken } else { 1457229997Sken /* 1458229997Sken * Release the CTIO. The ATIO will be sent back 1459229997Sken * down to the SIM once we send status. 1460229997Sken */ 1461229997Sken softc->ccbs_freed++; 1462229997Sken xpt_release_ccb(done_ccb); 1463260387Sscottl mtx_unlock(mtx); 1464229997Sken 1465229997Sken /* Call the backend move done callback */ 1466229997Sken io->scsiio.be_move_done(io); 1467229997Sken } 1468260387Sscottl return; 1469229997Sken } 1470229997Sken break; 1471229997Sken } 1472229997Sken case XPT_IMMEDIATE_NOTIFY: { 1473229997Sken union ctl_io *io; 1474229997Sken struct ccb_immediate_notify *inot; 1475229997Sken cam_status status; 1476229997Sken int frozen; 1477229997Sken 1478229997Sken inot = &done_ccb->cin1; 1479229997Sken 1480229997Sken softc->inots_returned++; 1481229997Sken 1482229997Sken frozen = (done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0; 1483229997Sken 1484229997Sken printf("%s: got XPT_IMMEDIATE_NOTIFY status %#x tag %#x " 1485229997Sken "seq %#x\n", __func__, inot->ccb_h.status, 1486229997Sken inot->tag_id, inot->seq_id); 1487229997Sken 1488268677Smav io = ctl_alloc_io(bus_softc->port.ctl_pool_ref); 1489229997Sken if (io != NULL) { 1490229997Sken int send_ctl_io; 1491229997Sken 1492229997Sken send_ctl_io = 1; 1493229997Sken 1494229997Sken ctl_zero_io(io); 1495229997Sken io->io_hdr.io_type = CTL_IO_TASK; 1496229997Sken io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr =done_ccb; 1497229997Sken inot->ccb_h.io_ptr = io; 1498229997Sken io->io_hdr.nexus.initid.id = inot->initiator_id; 1499268677Smav io->io_hdr.nexus.targ_port = bus_softc->port.targ_port; 1500229997Sken io->io_hdr.nexus.targ_target.id = inot->ccb_h.target_id; 1501229997Sken io->io_hdr.nexus.targ_lun = inot->ccb_h.target_lun; 1502229997Sken /* XXX KDM should this be the tag_id? */ 1503229997Sken io->taskio.tag_num = inot->seq_id; 1504229997Sken 1505229997Sken status = inot->ccb_h.status & CAM_STATUS_MASK; 1506229997Sken switch (status) { 1507229997Sken case CAM_SCSI_BUS_RESET: 1508229997Sken io->taskio.task_action = CTL_TASK_BUS_RESET; 1509229997Sken break; 1510229997Sken case CAM_BDR_SENT: 1511229997Sken io->taskio.task_action = CTL_TASK_TARGET_RESET; 1512229997Sken break; 1513229997Sken case CAM_MESSAGE_RECV: 1514229997Sken switch (inot->arg) { 1515229997Sken case MSG_ABORT_TASK_SET: 1516229997Sken io->taskio.task_action = 1517229997Sken CTL_TASK_ABORT_TASK_SET; 1518229997Sken break; 1519229997Sken case MSG_TARGET_RESET: 1520229997Sken io->taskio.task_action = 1521229997Sken CTL_TASK_TARGET_RESET; 1522229997Sken break; 1523229997Sken case MSG_ABORT_TASK: 1524229997Sken io->taskio.task_action = 1525229997Sken CTL_TASK_ABORT_TASK; 1526229997Sken break; 1527229997Sken case MSG_LOGICAL_UNIT_RESET: 1528229997Sken io->taskio.task_action = 1529229997Sken CTL_TASK_LUN_RESET; 1530229997Sken break; 1531229997Sken case MSG_CLEAR_TASK_SET: 1532229997Sken io->taskio.task_action = 1533229997Sken CTL_TASK_CLEAR_TASK_SET; 1534229997Sken break; 1535229997Sken case MSG_CLEAR_ACA: 1536229997Sken io->taskio.task_action = 1537229997Sken CTL_TASK_CLEAR_ACA; 1538229997Sken break; 1539229997Sken case MSG_NOOP: 1540229997Sken send_ctl_io = 0; 1541229997Sken break; 1542229997Sken default: 1543229997Sken xpt_print(periph->path, "%s: " 1544229997Sken "unsupported message 0x%x\n", 1545229997Sken __func__, inot->arg); 1546229997Sken send_ctl_io = 0; 1547229997Sken break; 1548229997Sken } 1549229997Sken break; 1550229997Sken case CAM_REQ_ABORTED: 1551229997Sken /* 1552229997Sken * This request was sent back by the driver. 1553229997Sken * XXX KDM what do we do here? 1554229997Sken */ 1555229997Sken send_ctl_io = 0; 1556229997Sken break; 1557237601Sken case CAM_REQ_INVALID: 1558237601Sken case CAM_PROVIDE_FAIL: 1559229997Sken default: 1560237601Sken /* 1561237601Sken * We should only get here if we're talking 1562237601Sken * to a talking to a SIM that is target 1563237601Sken * capable but supports the old API. In 1564237601Sken * that case, we need to just free the CCB. 1565237601Sken * If we actually send a notify acknowledge, 1566237601Sken * it will send that back with an error as 1567237601Sken * well. 1568237601Sken */ 1569237601Sken 1570237601Sken if ((status != CAM_REQ_INVALID) 1571237601Sken && (status != CAM_PROVIDE_FAIL)) 1572237601Sken xpt_print(periph->path, "%s: " 1573237601Sken "unsupported CAM status " 1574237601Sken "0x%x\n", __func__, status); 1575237601Sken 1576237601Sken ctl_free_io(io); 1577237601Sken ctlfe_free_ccb(periph, done_ccb); 1578237601Sken 1579260387Sscottl goto out; 1580229997Sken } 1581229997Sken if (send_ctl_io != 0) { 1582229997Sken ctl_queue(io); 1583229997Sken } else { 1584229997Sken ctl_free_io(io); 1585229997Sken done_ccb->ccb_h.status = CAM_REQ_INPROG; 1586229997Sken done_ccb->ccb_h.func_code = 1587229997Sken XPT_NOTIFY_ACKNOWLEDGE; 1588229997Sken xpt_action(done_ccb); 1589229997Sken } 1590229997Sken } else { 1591229997Sken xpt_print(periph->path, "%s: could not allocate " 1592229997Sken "ctl_io for immediate notify!\n", __func__); 1593229997Sken /* requeue this to the adapter */ 1594229997Sken done_ccb->ccb_h.status = CAM_REQ_INPROG; 1595229997Sken done_ccb->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE; 1596229997Sken xpt_action(done_ccb); 1597229997Sken } 1598229997Sken 1599229997Sken if (frozen != 0) { 1600229997Sken cam_release_devq(periph->path, 1601229997Sken /*relsim_flags*/ 0, 1602229997Sken /*opening reduction*/ 0, 1603229997Sken /*timeout*/ 0, 1604229997Sken /*getcount_only*/ 0); 1605229997Sken } 1606229997Sken break; 1607229997Sken } 1608229997Sken case XPT_NOTIFY_ACKNOWLEDGE: 1609229997Sken /* 1610229997Sken * Queue this back down to the SIM as an immediate notify. 1611229997Sken */ 1612229997Sken done_ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 1613229997Sken xpt_action(done_ccb); 1614229997Sken softc->inots_sent++; 1615229997Sken break; 1616229997Sken case XPT_SET_SIM_KNOB: 1617229997Sken case XPT_GET_SIM_KNOB: 1618229997Sken break; 1619229997Sken default: 1620229997Sken panic("%s: unexpected CCB type %#x", __func__, 1621229997Sken done_ccb->ccb_h.func_code); 1622229997Sken break; 1623229997Sken } 1624260387Sscottl 1625260387Sscottlout: 1626260387Sscottl mtx_unlock(mtx); 1627229997Sken} 1628229997Sken 1629229997Skenstatic void 1630229997Skenctlfe_onoffline(void *arg, int online) 1631229997Sken{ 1632229997Sken struct ctlfe_softc *bus_softc; 1633229997Sken union ccb *ccb; 1634229997Sken cam_status status; 1635229997Sken struct cam_path *path; 1636229997Sken int set_wwnn; 1637229997Sken 1638229997Sken bus_softc = (struct ctlfe_softc *)arg; 1639229997Sken 1640229997Sken set_wwnn = 0; 1641229997Sken 1642229997Sken status = xpt_create_path(&path, /*periph*/ NULL, bus_softc->path_id, 1643229997Sken CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 1644229997Sken if (status != CAM_REQ_CMP) { 1645229997Sken printf("%s: unable to create path!\n", __func__); 1646229997Sken return; 1647229997Sken } 1648245228Sken ccb = (union ccb *)malloc(sizeof(*ccb), M_TEMP, M_NOWAIT | M_ZERO); 1649245228Sken if (ccb == NULL) { 1650245228Sken printf("%s: unable to malloc CCB!\n", __func__); 1651245228Sken xpt_free_path(path); 1652245228Sken return; 1653245228Sken } 1654242174Smav xpt_setup_ccb(&ccb->ccb_h, path, CAM_PRIORITY_NONE); 1655229997Sken 1656229997Sken /* 1657229997Sken * Copan WWN format: 1658229997Sken * 1659229997Sken * Bits 63-60: 0x5 NAA, IEEE registered name 1660229997Sken * Bits 59-36: 0x000ED5 IEEE Company name assigned to Copan 1661229997Sken * Bits 35-12: Copan SSN (Sequential Serial Number) 1662229997Sken * Bits 11-8: Type of port: 1663229997Sken * 1 == N-Port 1664229997Sken * 2 == F-Port 1665229997Sken * 3 == NL-Port 1666229997Sken * Bits 7-0: 0 == Node Name, >0 == Port Number 1667229997Sken */ 1668229997Sken 1669229997Sken if (online != 0) { 1670229997Sken 1671229997Sken ccb->ccb_h.func_code = XPT_GET_SIM_KNOB; 1672229997Sken 1673229997Sken 1674229997Sken xpt_action(ccb); 1675229997Sken 1676229997Sken 1677229997Sken if ((ccb->knob.xport_specific.valid & KNOB_VALID_ADDRESS) != 0){ 1678229997Sken#ifdef RANDOM_WWNN 1679229997Sken uint64_t random_bits; 1680229997Sken#endif 1681229997Sken 1682229997Sken printf("%s: %s current WWNN %#jx\n", __func__, 1683229997Sken bus_softc->port_name, 1684229997Sken ccb->knob.xport_specific.fc.wwnn); 1685229997Sken printf("%s: %s current WWPN %#jx\n", __func__, 1686229997Sken bus_softc->port_name, 1687229997Sken ccb->knob.xport_specific.fc.wwpn); 1688229997Sken 1689229997Sken#ifdef RANDOM_WWNN 1690229997Sken arc4rand(&random_bits, sizeof(random_bits), 0); 1691229997Sken#endif 1692229997Sken 1693229997Sken /* 1694229997Sken * XXX KDM this is a bit of a kludge for now. We 1695229997Sken * take the current WWNN/WWPN from the card, and 1696229997Sken * replace the company identifier and the NL-Port 1697229997Sken * indicator and the port number (for the WWPN). 1698229997Sken * This should be replaced later with ddb_GetWWNN, 1699229997Sken * or possibly a more centralized scheme. (It 1700229997Sken * would be nice to have the WWNN/WWPN for each 1701268677Smav * port stored in the ctl_port structure.) 1702229997Sken */ 1703229997Sken#ifdef RANDOM_WWNN 1704229997Sken ccb->knob.xport_specific.fc.wwnn = 1705229997Sken (random_bits & 1706229997Sken 0x0000000fffffff00ULL) | 1707229997Sken /* Company ID */ 0x5000ED5000000000ULL | 1708229997Sken /* NL-Port */ 0x0300; 1709229997Sken ccb->knob.xport_specific.fc.wwpn = 1710229997Sken (random_bits & 1711229997Sken 0x0000000fffffff00ULL) | 1712229997Sken /* Company ID */ 0x5000ED5000000000ULL | 1713229997Sken /* NL-Port */ 0x3000 | 1714268677Smav /* Port Num */ (bus_softc->port.targ_port & 0xff); 1715229997Sken 1716229997Sken /* 1717229997Sken * This is a bit of an API break/reversal, but if 1718229997Sken * we're doing the random WWNN that's a little 1719229997Sken * different anyway. So record what we're actually 1720229997Sken * using with the frontend code so it's reported 1721229997Sken * accurately. 1722229997Sken */ 1723268683Smav ctl_port_set_wwns(&bus_softc->port, 1724268683Smav true, ccb->knob.xport_specific.fc.wwnn, 1725268683Smav true, ccb->knob.xport_specific.fc.wwpn); 1726229997Sken set_wwnn = 1; 1727229997Sken#else /* RANDOM_WWNN */ 1728229997Sken /* 1729229997Sken * If the user has specified a WWNN/WWPN, send them 1730229997Sken * down to the SIM. Otherwise, record what the SIM 1731229997Sken * has reported. 1732229997Sken */ 1733268677Smav if ((bus_softc->port.wwnn != 0) 1734268677Smav && (bus_softc->port.wwpn != 0)) { 1735229997Sken ccb->knob.xport_specific.fc.wwnn = 1736268677Smav bus_softc->port.wwnn; 1737229997Sken ccb->knob.xport_specific.fc.wwpn = 1738268677Smav bus_softc->port.wwpn; 1739229997Sken set_wwnn = 1; 1740229997Sken } else { 1741268683Smav ctl_port_set_wwns(&bus_softc->port, 1742268683Smav true, ccb->knob.xport_specific.fc.wwnn, 1743268683Smav true, ccb->knob.xport_specific.fc.wwpn); 1744229997Sken } 1745229997Sken#endif /* RANDOM_WWNN */ 1746229997Sken 1747229997Sken 1748229997Sken if (set_wwnn != 0) { 1749229997Sken printf("%s: %s new WWNN %#jx\n", __func__, 1750229997Sken bus_softc->port_name, 1751229997Sken ccb->knob.xport_specific.fc.wwnn); 1752229997Sken printf("%s: %s new WWPN %#jx\n", __func__, 1753229997Sken bus_softc->port_name, 1754229997Sken ccb->knob.xport_specific.fc.wwpn); 1755229997Sken } 1756229997Sken } else { 1757229997Sken printf("%s: %s has no valid WWNN/WWPN\n", __func__, 1758229997Sken bus_softc->port_name); 1759229997Sken } 1760229997Sken } 1761229997Sken ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 1762229997Sken ccb->knob.xport_specific.valid = KNOB_VALID_ROLE; 1763229997Sken if (set_wwnn != 0) 1764229997Sken ccb->knob.xport_specific.valid |= KNOB_VALID_ADDRESS; 1765229997Sken 1766229997Sken if (online != 0) 1767229997Sken ccb->knob.xport_specific.fc.role = KNOB_ROLE_TARGET; 1768229997Sken else 1769229997Sken ccb->knob.xport_specific.fc.role = KNOB_ROLE_NONE; 1770229997Sken 1771229997Sken xpt_action(ccb); 1772229997Sken 1773229997Sken if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1774229997Sken printf("%s: SIM %s (path id %d) target %s failed with " 1775229997Sken "status %#x\n", 1776229997Sken __func__, bus_softc->port_name, bus_softc->path_id, 1777229997Sken (online != 0) ? "enable" : "disable", 1778229997Sken ccb->ccb_h.status); 1779229997Sken } else { 1780229997Sken printf("%s: SIM %s (path id %d) target %s succeeded\n", 1781229997Sken __func__, bus_softc->port_name, bus_softc->path_id, 1782229997Sken (online != 0) ? "enable" : "disable"); 1783229997Sken } 1784229997Sken 1785229997Sken xpt_free_path(path); 1786229997Sken 1787244016Sken free(ccb, M_TEMP); 1788244016Sken 1789229997Sken return; 1790229997Sken} 1791229997Sken 1792229997Skenstatic void 1793229997Skenctlfe_online(void *arg) 1794229997Sken{ 1795245228Sken struct ctlfe_softc *bus_softc; 1796245228Sken struct cam_path *path; 1797245228Sken cam_status status; 1798245228Sken struct ctlfe_lun_softc *lun_softc; 1799274388Smav struct cam_periph *periph; 1800245228Sken 1801245228Sken bus_softc = (struct ctlfe_softc *)arg; 1802245228Sken 1803245228Sken /* 1804245228Sken * Create the wildcard LUN before bringing the port online. 1805245228Sken */ 1806245228Sken status = xpt_create_path(&path, /*periph*/ NULL, 1807245228Sken bus_softc->path_id, CAM_TARGET_WILDCARD, 1808245228Sken CAM_LUN_WILDCARD); 1809245228Sken if (status != CAM_REQ_CMP) { 1810245228Sken printf("%s: unable to create path for wildcard periph\n", 1811245228Sken __func__); 1812245228Sken return; 1813245228Sken } 1814245228Sken 1815245228Sken lun_softc = malloc(sizeof(*lun_softc), M_CTLFE, 1816245228Sken M_NOWAIT | M_ZERO); 1817245228Sken if (lun_softc == NULL) { 1818245228Sken xpt_print(path, "%s: unable to allocate softc for " 1819245228Sken "wildcard periph\n", __func__); 1820245228Sken xpt_free_path(path); 1821245228Sken return; 1822245228Sken } 1823245228Sken 1824260387Sscottl xpt_path_lock(path); 1825274388Smav periph = cam_periph_find(path, "ctl"); 1826274388Smav if (periph != NULL) { 1827274388Smav /* We've already got a periph, no need to alloc a new one. */ 1828274388Smav xpt_path_unlock(path); 1829274388Smav xpt_free_path(path); 1830274388Smav free(lun_softc, M_CTLFE); 1831274388Smav return; 1832274388Smav } 1833245228Sken lun_softc->parent_softc = bus_softc; 1834245228Sken lun_softc->flags |= CTLFE_LUN_WILDCARD; 1835245228Sken 1836245228Sken status = cam_periph_alloc(ctlferegister, 1837245228Sken ctlfeoninvalidate, 1838245228Sken ctlfecleanup, 1839245228Sken ctlfestart, 1840245228Sken "ctl", 1841245228Sken CAM_PERIPH_BIO, 1842245228Sken path, 1843245228Sken ctlfeasync, 1844245228Sken 0, 1845245228Sken lun_softc); 1846245228Sken 1847245228Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1848245228Sken const struct cam_status_entry *entry; 1849245228Sken 1850245228Sken entry = cam_fetch_status_entry(status); 1851245228Sken printf("%s: CAM error %s (%#x) returned from " 1852245228Sken "cam_periph_alloc()\n", __func__, (entry != NULL) ? 1853245228Sken entry->status_text : "Unknown", status); 1854274388Smav free(lun_softc, M_CTLFE); 1855274388Smav } else { 1856274388Smav mtx_lock(&bus_softc->lun_softc_mtx); 1857274388Smav STAILQ_INSERT_TAIL(&bus_softc->lun_softc_list, lun_softc, links); 1858274388Smav mtx_unlock(&bus_softc->lun_softc_mtx); 1859274388Smav ctlfe_onoffline(arg, /*online*/ 1); 1860245228Sken } 1861245228Sken 1862260387Sscottl xpt_path_unlock(path); 1863260387Sscottl xpt_free_path(path); 1864229997Sken} 1865229997Sken 1866229997Skenstatic void 1867229997Skenctlfe_offline(void *arg) 1868229997Sken{ 1869245228Sken struct ctlfe_softc *bus_softc; 1870245228Sken struct cam_path *path; 1871245228Sken cam_status status; 1872245228Sken struct cam_periph *periph; 1873245228Sken 1874245228Sken bus_softc = (struct ctlfe_softc *)arg; 1875245228Sken 1876245228Sken /* 1877245228Sken * Disable the wildcard LUN for this port now that we have taken 1878245228Sken * the port offline. 1879245228Sken */ 1880245228Sken status = xpt_create_path(&path, /*periph*/ NULL, 1881245228Sken bus_softc->path_id, CAM_TARGET_WILDCARD, 1882245228Sken CAM_LUN_WILDCARD); 1883245228Sken if (status != CAM_REQ_CMP) { 1884245228Sken printf("%s: unable to create path for wildcard periph\n", 1885245228Sken __func__); 1886245228Sken return; 1887245228Sken } 1888245228Sken 1889260387Sscottl xpt_path_lock(path); 1890245228Sken 1891260387Sscottl ctlfe_onoffline(arg, /*online*/ 0); 1892260387Sscottl 1893245228Sken if ((periph = cam_periph_find(path, "ctl")) != NULL) 1894245228Sken cam_periph_invalidate(periph); 1895245228Sken 1896260387Sscottl xpt_path_unlock(path); 1897245228Sken xpt_free_path(path); 1898229997Sken} 1899229997Sken 1900229997Sken/* 1901229997Sken * This will get called to enable a LUN on every bus that is attached to 1902229997Sken * CTL. So we only need to create a path/periph for this particular bus. 1903229997Sken */ 1904229997Skenstatic int 1905229997Skenctlfe_lun_enable(void *arg, struct ctl_id targ_id, int lun_id) 1906229997Sken{ 1907229997Sken struct ctlfe_softc *bus_softc; 1908229997Sken struct ctlfe_lun_softc *softc; 1909229997Sken struct cam_path *path; 1910229997Sken struct cam_periph *periph; 1911229997Sken cam_status status; 1912229997Sken 1913229997Sken bus_softc = (struct ctlfe_softc *)arg; 1914229997Sken 1915260387Sscottl status = xpt_create_path(&path, /*periph*/ NULL, 1916260387Sscottl bus_softc->path_id, 1917260387Sscottl targ_id.id, lun_id); 1918229997Sken /* XXX KDM need some way to return status to CTL here? */ 1919229997Sken if (status != CAM_REQ_CMP) { 1920229997Sken printf("%s: could not create path, status %#x\n", __func__, 1921229997Sken status); 1922229997Sken return (1); 1923229997Sken } 1924229997Sken 1925229997Sken softc = malloc(sizeof(*softc), M_CTLFE, M_WAITOK | M_ZERO); 1926260387Sscottl xpt_path_lock(path); 1927229997Sken periph = cam_periph_find(path, "ctl"); 1928229997Sken if (periph != NULL) { 1929229997Sken /* We've already got a periph, no need to alloc a new one. */ 1930260387Sscottl xpt_path_unlock(path); 1931229997Sken xpt_free_path(path); 1932229997Sken free(softc, M_CTLFE); 1933229997Sken return (0); 1934229997Sken } 1935229997Sken softc->parent_softc = bus_softc; 1936229997Sken 1937229997Sken status = cam_periph_alloc(ctlferegister, 1938229997Sken ctlfeoninvalidate, 1939229997Sken ctlfecleanup, 1940229997Sken ctlfestart, 1941229997Sken "ctl", 1942229997Sken CAM_PERIPH_BIO, 1943229997Sken path, 1944229997Sken ctlfeasync, 1945229997Sken 0, 1946229997Sken softc); 1947229997Sken 1948274388Smav if ((status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1949274388Smav const struct cam_status_entry *entry; 1950274388Smav 1951274388Smav entry = cam_fetch_status_entry(status); 1952274388Smav printf("%s: CAM error %s (%#x) returned from " 1953274388Smav "cam_periph_alloc()\n", __func__, (entry != NULL) ? 1954274388Smav entry->status_text : "Unknown", status); 1955274388Smav free(softc, M_CTLFE); 1956274388Smav } else { 1957274388Smav mtx_lock(&bus_softc->lun_softc_mtx); 1958274388Smav STAILQ_INSERT_TAIL(&bus_softc->lun_softc_list, softc, links); 1959274388Smav mtx_unlock(&bus_softc->lun_softc_mtx); 1960274388Smav ctlfe_onoffline(arg, /*online*/ 1); 1961274388Smav } 1962274388Smav 1963260387Sscottl xpt_path_unlock(path); 1964244016Sken xpt_free_path(path); 1965229997Sken return (0); 1966229997Sken} 1967229997Sken 1968229997Sken/* 1969245228Sken * This will get called when the user removes a LUN to disable that LUN 1970245228Sken * on every bus that is attached to CTL. 1971229997Sken */ 1972229997Skenstatic int 1973229997Skenctlfe_lun_disable(void *arg, struct ctl_id targ_id, int lun_id) 1974229997Sken{ 1975229997Sken struct ctlfe_softc *softc; 1976229997Sken struct ctlfe_lun_softc *lun_softc; 1977229997Sken 1978229997Sken softc = (struct ctlfe_softc *)arg; 1979229997Sken 1980260387Sscottl mtx_lock(&softc->lun_softc_mtx); 1981229997Sken STAILQ_FOREACH(lun_softc, &softc->lun_softc_list, links) { 1982229997Sken struct cam_path *path; 1983229997Sken 1984229997Sken path = lun_softc->periph->path; 1985229997Sken 1986229997Sken if ((xpt_path_target_id(path) == targ_id.id) 1987229997Sken && (xpt_path_lun_id(path) == lun_id)) { 1988229997Sken break; 1989229997Sken } 1990229997Sken } 1991229997Sken if (lun_softc == NULL) { 1992260387Sscottl mtx_unlock(&softc->lun_softc_mtx); 1993229997Sken printf("%s: can't find target %d lun %d\n", __func__, 1994229997Sken targ_id.id, lun_id); 1995229997Sken return (1); 1996229997Sken } 1997260387Sscottl cam_periph_acquire(lun_softc->periph); 1998260387Sscottl mtx_unlock(&softc->lun_softc_mtx); 1999229997Sken 2000260387Sscottl cam_periph_lock(lun_softc->periph); 2001229997Sken cam_periph_invalidate(lun_softc->periph); 2002260387Sscottl cam_periph_unlock(lun_softc->periph); 2003260387Sscottl cam_periph_release(lun_softc->periph); 2004229997Sken return (0); 2005229997Sken} 2006229997Sken 2007229997Skenstatic void 2008229997Skenctlfe_dump_sim(struct cam_sim *sim) 2009229997Sken{ 2010229997Sken 2011229997Sken printf("%s%d: max tagged openings: %d, max dev openings: %d\n", 2012229997Sken sim->sim_name, sim->unit_number, 2013229997Sken sim->max_tagged_dev_openings, sim->max_dev_openings); 2014229997Sken printf("\n"); 2015229997Sken} 2016229997Sken 2017229997Sken/* 2018229997Sken * Assumes that the SIM lock is held. 2019229997Sken */ 2020229997Skenstatic void 2021229997Skenctlfe_dump_queue(struct ctlfe_lun_softc *softc) 2022229997Sken{ 2023229997Sken struct ccb_hdr *hdr; 2024229997Sken struct cam_periph *periph; 2025229997Sken int num_items; 2026229997Sken 2027229997Sken periph = softc->periph; 2028229997Sken num_items = 0; 2029229997Sken 2030229997Sken TAILQ_FOREACH(hdr, &softc->work_queue, periph_links.tqe) { 2031229997Sken union ctl_io *io; 2032229997Sken 2033229997Sken io = hdr->io_ptr; 2034229997Sken 2035229997Sken num_items++; 2036229997Sken 2037229997Sken /* 2038229997Sken * This can happen when we get an ATIO but can't allocate 2039229997Sken * a ctl_io. See the XPT_ACCEPT_TARGET_IO case in ctlfedone(). 2040229997Sken */ 2041229997Sken if (io == NULL) { 2042229997Sken struct ccb_scsiio *csio; 2043229997Sken 2044229997Sken csio = (struct ccb_scsiio *)hdr; 2045229997Sken 2046229997Sken xpt_print(periph->path, "CCB %#x ctl_io allocation " 2047229997Sken "failed\n", csio->tag_id); 2048229997Sken continue; 2049229997Sken } 2050229997Sken 2051229997Sken /* 2052229997Sken * Only regular SCSI I/O is put on the work 2053229997Sken * queue, so we can print sense here. There may be no 2054229997Sken * sense if it's no the queue for a DMA, but this serves to 2055229997Sken * print out the CCB as well. 2056229997Sken * 2057229997Sken * XXX KDM switch this over to scsi_sense_print() when 2058229997Sken * CTL is merged in with CAM. 2059229997Sken */ 2060229997Sken ctl_io_error_print(io, NULL); 2061229997Sken 2062229997Sken /* 2063229997Sken * We're sending status back to the 2064229997Sken * initiator, so we're on the queue waiting 2065229997Sken * for a CTIO to do that. 2066229997Sken */ 2067229997Sken if ((io->io_hdr.status & CTL_STATUS_MASK) != CTL_STATUS_NONE) 2068229997Sken continue; 2069229997Sken 2070229997Sken /* 2071229997Sken * Otherwise, we're on the queue waiting to 2072229997Sken * do a data transfer. 2073229997Sken */ 2074229997Sken xpt_print(periph->path, "Total %u, Current %u, Resid %u\n", 2075229997Sken io->scsiio.kern_total_len, io->scsiio.kern_data_len, 2076229997Sken io->scsiio.kern_data_resid); 2077229997Sken } 2078229997Sken 2079229997Sken xpt_print(periph->path, "%d requests total waiting for CCBs\n", 2080229997Sken num_items); 2081250460Seadler xpt_print(periph->path, "%ju CCBs outstanding (%ju allocated, %ju " 2082229997Sken "freed)\n", (uintmax_t)(softc->ccbs_alloced - 2083229997Sken softc->ccbs_freed), (uintmax_t)softc->ccbs_alloced, 2084229997Sken (uintmax_t)softc->ccbs_freed); 2085229997Sken xpt_print(periph->path, "%ju CTIOs outstanding (%ju sent, %ju " 2086229997Sken "returned\n", (uintmax_t)(softc->ctios_sent - 2087229997Sken softc->ctios_returned), softc->ctios_sent, 2088229997Sken softc->ctios_returned); 2089229997Sken} 2090229997Sken 2091229997Sken/* 2092229997Sken * This function is called when we fail to get a CCB for a DMA or status return 2093229997Sken * to the initiator within the specified time period. 2094229997Sken * 2095229997Sken * The callout code should insure that we hold the sim mutex here. 2096229997Sken */ 2097229997Skenstatic void 2098229997Skenctlfe_dma_timeout(void *arg) 2099229997Sken{ 2100229997Sken struct ctlfe_lun_softc *softc; 2101229997Sken struct cam_periph *periph; 2102229997Sken struct cam_sim *sim; 2103229997Sken int num_queued; 2104229997Sken 2105229997Sken softc = (struct ctlfe_lun_softc *)arg; 2106229997Sken periph = softc->periph; 2107229997Sken sim = xpt_path_sim(periph->path); 2108229997Sken num_queued = 0; 2109229997Sken 2110229997Sken /* 2111229997Sken * Nothing to do... 2112229997Sken */ 2113229997Sken if (TAILQ_FIRST(&softc->work_queue) == NULL) { 2114229997Sken xpt_print(periph->path, "TIMEOUT triggered after %d " 2115229997Sken "seconds, but nothing on work queue??\n", 2116229997Sken CTLFE_DMA_TIMEOUT); 2117229997Sken return; 2118229997Sken } 2119229997Sken 2120229997Sken xpt_print(periph->path, "TIMEOUT (%d seconds) waiting for DMA to " 2121229997Sken "start\n", CTLFE_DMA_TIMEOUT); 2122229997Sken 2123229997Sken ctlfe_dump_queue(softc); 2124229997Sken 2125229997Sken ctlfe_dump_sim(sim); 2126229997Sken 2127229997Sken xpt_print(periph->path, "calling xpt_schedule() to attempt to " 2128229997Sken "unstick our queue\n"); 2129229997Sken 2130229997Sken xpt_schedule(periph, /*priority*/ 1); 2131229997Sken 2132229997Sken xpt_print(periph->path, "xpt_schedule() call complete\n"); 2133229997Sken} 2134229997Sken 2135229997Sken/* 2136229997Sken * Datamove/done routine called by CTL. Put ourselves on the queue to 2137229997Sken * receive a CCB from CAM so we can queue the continue I/O request down 2138229997Sken * to the adapter. 2139229997Sken */ 2140229997Skenstatic void 2141229997Skenctlfe_datamove_done(union ctl_io *io) 2142229997Sken{ 2143229997Sken union ccb *ccb; 2144229997Sken struct cam_periph *periph; 2145229997Sken struct ctlfe_lun_softc *softc; 2146229997Sken 2147229997Sken ccb = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr; 2148229997Sken 2149229997Sken periph = xpt_path_periph(ccb->ccb_h.path); 2150260387Sscottl cam_periph_lock(periph); 2151229997Sken 2152229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 2153229997Sken 2154229997Sken if (io->io_hdr.io_type == CTL_IO_TASK) { 2155229997Sken /* 2156229997Sken * Task management commands don't require any further 2157229997Sken * communication back to the adapter. Requeue the CCB 2158229997Sken * to the adapter, and free the CTL I/O. 2159229997Sken */ 2160229997Sken xpt_print(ccb->ccb_h.path, "%s: returning task I/O " 2161229997Sken "tag %#x seq %#x\n", __func__, 2162229997Sken ccb->cin1.tag_id, ccb->cin1.seq_id); 2163229997Sken /* 2164229997Sken * Send the notify acknowledge down to the SIM, to let it 2165229997Sken * know we processed the task management command. 2166229997Sken */ 2167229997Sken ccb->ccb_h.status = CAM_REQ_INPROG; 2168229997Sken ccb->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE; 2169229997Sken xpt_action(ccb); 2170229997Sken ctl_free_io(io); 2171229997Sken } else { 2172229997Sken if ((io->io_hdr.status & CTL_STATUS_MASK) != CTL_STATUS_NONE) 2173229997Sken io->io_hdr.flags |= CTL_FLAG_STATUS_QUEUED; 2174229997Sken else 2175229997Sken io->io_hdr.flags |= CTL_FLAG_DMA_QUEUED; 2176229997Sken 2177229997Sken TAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, 2178229997Sken periph_links.tqe); 2179229997Sken 2180229997Sken /* 2181229997Sken * Reset the timeout for our latest active DMA. 2182229997Sken */ 2183229997Sken callout_reset(&softc->dma_callout, 2184229997Sken CTLFE_DMA_TIMEOUT * hz, 2185229997Sken ctlfe_dma_timeout, softc); 2186229997Sken /* 2187229997Sken * Ask for the CAM transport layer to send us a CCB to do 2188229997Sken * the DMA or send status, unless ctlfe_dma_enabled is set 2189229997Sken * to 0. 2190229997Sken */ 2191229997Sken if (ctlfe_dma_enabled != 0) 2192229997Sken xpt_schedule(periph, /*priority*/ 1); 2193229997Sken } 2194229997Sken 2195260387Sscottl cam_periph_unlock(periph); 2196229997Sken} 2197229997Sken 2198229997Skenstatic void 2199229997Skenctlfe_dump(void) 2200229997Sken{ 2201229997Sken struct ctlfe_softc *bus_softc; 2202229997Sken 2203229997Sken STAILQ_FOREACH(bus_softc, &ctlfe_softc_list, links) { 2204229997Sken struct ctlfe_lun_softc *lun_softc; 2205229997Sken 2206229997Sken ctlfe_dump_sim(bus_softc->sim); 2207229997Sken 2208229997Sken STAILQ_FOREACH(lun_softc, &bus_softc->lun_softc_list, links) { 2209229997Sken ctlfe_dump_queue(lun_softc); 2210229997Sken } 2211229997Sken } 2212229997Sken} 2213