scsi_ctl.c revision 314737
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 314737 2017-03-06 06:24:53Z 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 188312585Smav#define PRIV_CCB(io) ((io)->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptrs[0]) 189312585Smav#define PRIV_INFO(io) ((io)->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptrs[1]) 190312585Smav 191313369Smavstatic int ctlfeinitialize(void); 192313369Smavstatic int ctlfeshutdown(void); 193268677Smavstatic periph_init_t ctlfeperiphinit; 194229997Skenstatic void ctlfeasync(void *callback_arg, uint32_t code, 195229997Sken struct cam_path *path, void *arg); 196229997Skenstatic periph_ctor_t ctlferegister; 197229997Skenstatic periph_oninv_t ctlfeoninvalidate; 198229997Skenstatic periph_dtor_t ctlfecleanup; 199229997Skenstatic periph_start_t ctlfestart; 200229997Skenstatic void ctlfedone(struct cam_periph *periph, 201229997Sken union ccb *done_ccb); 202229997Sken 203229997Skenstatic void ctlfe_onoffline(void *arg, int online); 204229997Skenstatic void ctlfe_online(void *arg); 205229997Skenstatic void ctlfe_offline(void *arg); 206284798Smavstatic int ctlfe_lun_enable(void *arg, int lun_id); 207284798Smavstatic int ctlfe_lun_disable(void *arg, int lun_id); 208229997Skenstatic void ctlfe_dump_sim(struct cam_sim *sim); 209229997Skenstatic void ctlfe_dump_queue(struct ctlfe_lun_softc *softc); 210275880Smavstatic void ctlfe_datamove(union ctl_io *io); 211275880Smavstatic void ctlfe_done(union ctl_io *io); 212229997Skenstatic void ctlfe_dump(void); 213229997Sken 214229997Skenstatic struct periph_driver ctlfe_driver = 215229997Sken{ 216268677Smav ctlfeperiphinit, "ctl", 217273316Smav TAILQ_HEAD_INITIALIZER(ctlfe_driver.units), /*generation*/ 0, 218273316Smav CAM_PERIPH_DRV_EARLY 219229997Sken}; 220229997Sken 221268677Smavstatic struct ctl_frontend ctlfe_frontend = 222268677Smav{ 223273318Smav .name = "camtgt", 224268677Smav .init = ctlfeinitialize, 225268677Smav .fe_dump = ctlfe_dump, 226268677Smav .shutdown = ctlfeshutdown, 227249009Strasz}; 228268677SmavCTL_FRONTEND_DECLARE(ctlfe, ctlfe_frontend); 229249009Strasz 230313369Smavstatic int 231229997Skenctlfeshutdown(void) 232229997Sken{ 233313369Smav 234313369Smav /* CAM does not support periph driver unregister now. */ 235313369Smav return (EBUSY); 236229997Sken} 237229997Sken 238313369Smavstatic int 239268677Smavctlfeinitialize(void) 240229997Sken{ 241229997Sken 242229997Sken STAILQ_INIT(&ctlfe_softc_list); 243229997Sken mtx_init(&ctlfe_list_mtx, ctlfe_mtx_desc, NULL, MTX_DEF); 244268677Smav periphdriver_register(&ctlfe_driver); 245268677Smav return (0); 246268677Smav} 247229997Sken 248313369Smavstatic void 249268677Smavctlfeperiphinit(void) 250268677Smav{ 251268677Smav cam_status status; 252229997Sken 253229997Sken status = xpt_register_async(AC_PATH_REGISTERED | AC_PATH_DEREGISTERED | 254229997Sken AC_CONTRACT, ctlfeasync, NULL, NULL); 255229997Sken if (status != CAM_REQ_CMP) { 256229997Sken printf("ctl: Failed to attach async callback due to CAM " 257229997Sken "status 0x%x!\n", status); 258229997Sken } 259229997Sken} 260229997Sken 261229997Skenstatic void 262229997Skenctlfeasync(void *callback_arg, uint32_t code, struct cam_path *path, void *arg) 263229997Sken{ 264273317Smav struct ctlfe_softc *softc; 265229997Sken 266229997Sken#ifdef CTLFEDEBUG 267229997Sken printf("%s: entered\n", __func__); 268229997Sken#endif 269229997Sken 270273317Smav mtx_lock(&ctlfe_list_mtx); 271273317Smav STAILQ_FOREACH(softc, &ctlfe_softc_list, links) { 272273317Smav if (softc->path_id == xpt_path_path_id(path)) 273273317Smav break; 274273317Smav } 275273317Smav mtx_unlock(&ctlfe_list_mtx); 276273317Smav 277229997Sken /* 278229997Sken * When a new path gets registered, and it is capable of target 279229997Sken * mode, go ahead and attach. Later on, we may need to be more 280229997Sken * selective, but for now this will be sufficient. 281229997Sken */ 282229997Sken switch (code) { 283229997Sken case AC_PATH_REGISTERED: { 284268677Smav struct ctl_port *port; 285229997Sken struct ccb_pathinq *cpi; 286229997Sken int retval; 287229997Sken 288229997Sken cpi = (struct ccb_pathinq *)arg; 289229997Sken 290229997Sken /* Don't attach if it doesn't support target mode */ 291229997Sken if ((cpi->target_sprt & PIT_PROCESSOR) == 0) { 292230033Sken#ifdef CTLFEDEBUG 293229997Sken printf("%s: SIM %s%d doesn't support target mode\n", 294229997Sken __func__, cpi->dev_name, cpi->unit_number); 295230033Sken#endif 296229997Sken break; 297229997Sken } 298229997Sken 299273317Smav if (softc != NULL) { 300273317Smav#ifdef CTLFEDEBUG 301273317Smav printf("%s: CTL port for CAM path %u already exists\n", 302273317Smav __func__, xpt_path_path_id(path)); 303273317Smav#endif 304273317Smav break; 305273317Smav } 306273317Smav 307229997Sken#ifdef CTLFE_INIT_ENABLE 308229997Sken if (ctlfe_num_targets >= ctlfe_max_targets) { 309229997Sken union ccb *ccb; 310229997Sken 311229997Sken ccb = (union ccb *)malloc(sizeof(*ccb), M_TEMP, 312229997Sken M_NOWAIT | M_ZERO); 313229997Sken if (ccb == NULL) { 314229997Sken printf("%s: unable to malloc CCB!\n", __func__); 315229997Sken return; 316229997Sken } 317260387Sscottl xpt_setup_ccb(&ccb->ccb_h, path, CAM_PRIORITY_NONE); 318229997Sken 319229997Sken ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 320229997Sken ccb->knob.xport_specific.valid = KNOB_VALID_ROLE; 321229997Sken ccb->knob.xport_specific.fc.role = KNOB_ROLE_INITIATOR; 322229997Sken 323229997Sken xpt_action(ccb); 324229997Sken 325229997Sken if ((ccb->ccb_h.status & CAM_STATUS_MASK) != 326229997Sken CAM_REQ_CMP) { 327229997Sken printf("%s: SIM %s%d (path id %d) initiator " 328229997Sken "enable failed with status %#x\n", 329229997Sken __func__, cpi->dev_name, 330229997Sken cpi->unit_number, cpi->ccb_h.path_id, 331229997Sken ccb->ccb_h.status); 332229997Sken } else { 333229997Sken printf("%s: SIM %s%d (path id %d) initiator " 334229997Sken "enable succeeded\n", 335229997Sken __func__, cpi->dev_name, 336229997Sken cpi->unit_number, cpi->ccb_h.path_id); 337229997Sken } 338229997Sken 339229997Sken free(ccb, M_TEMP); 340229997Sken 341229997Sken break; 342229997Sken } else { 343229997Sken ctlfe_num_targets++; 344229997Sken } 345229997Sken 346229997Sken printf("%s: ctlfe_num_targets = %d\n", __func__, 347229997Sken ctlfe_num_targets); 348229997Sken#endif /* CTLFE_INIT_ENABLE */ 349229997Sken 350229997Sken /* 351229997Sken * We're in an interrupt context here, so we have to 352229997Sken * use M_NOWAIT. Of course this means trouble if we 353229997Sken * can't allocate memory. 354229997Sken */ 355273317Smav softc = malloc(sizeof(*softc), M_CTLFE, M_NOWAIT | M_ZERO); 356273317Smav if (softc == NULL) { 357229997Sken printf("%s: unable to malloc %zd bytes for softc\n", 358273317Smav __func__, sizeof(*softc)); 359229997Sken return; 360229997Sken } 361229997Sken 362273317Smav softc->path_id = cpi->ccb_h.path_id; 363288713Smav softc->target_id = cpi->initiator_id; 364273317Smav softc->sim = xpt_path_sim(path); 365290776Smav softc->hba_misc = cpi->hba_misc; 366265641Smav if (cpi->maxio != 0) 367273317Smav softc->maxio = cpi->maxio; 368265641Smav else 369273317Smav softc->maxio = DFLTPHYS; 370273317Smav mtx_init(&softc->lun_softc_mtx, "LUN softc mtx", NULL, MTX_DEF); 371273317Smav STAILQ_INIT(&softc->lun_softc_list); 372229997Sken 373273317Smav port = &softc->port; 374268677Smav port->frontend = &ctlfe_frontend; 375229997Sken 376229997Sken /* 377229997Sken * XXX KDM should we be more accurate here ? 378229997Sken */ 379229997Sken if (cpi->transport == XPORT_FC) 380268677Smav port->port_type = CTL_PORT_FC; 381268694Smav else if (cpi->transport == XPORT_SAS) 382268694Smav port->port_type = CTL_PORT_SAS; 383229997Sken else 384268677Smav port->port_type = CTL_PORT_SCSI; 385229997Sken 386229997Sken /* XXX KDM what should the real number be here? */ 387268677Smav port->num_requested_ctl_io = 4096; 388273317Smav snprintf(softc->port_name, sizeof(softc->port_name), 389229997Sken "%s%d", cpi->dev_name, cpi->unit_number); 390229997Sken /* 391229997Sken * XXX KDM it would be nice to allocate storage in the 392229997Sken * frontend structure itself. 393229997Sken */ 394273317Smav port->port_name = softc->port_name; 395273319Smav port->physical_port = cpi->bus_id; 396273319Smav port->virtual_port = 0; 397268677Smav port->port_online = ctlfe_online; 398268677Smav port->port_offline = ctlfe_offline; 399273317Smav port->onoff_arg = softc; 400268677Smav port->lun_enable = ctlfe_lun_enable; 401268677Smav port->lun_disable = ctlfe_lun_disable; 402273317Smav port->targ_lun_arg = softc; 403275880Smav port->fe_datamove = ctlfe_datamove; 404275880Smav port->fe_done = ctlfe_done; 405229997Sken /* 406229997Sken * XXX KDM the path inquiry doesn't give us the maximum 407229997Sken * number of targets supported. 408229997Sken */ 409268677Smav port->max_targets = cpi->max_target; 410268677Smav port->max_target_id = cpi->max_target; 411288732Smav port->targ_port = -1; 412229997Sken 413229997Sken /* 414229997Sken * XXX KDM need to figure out whether we're the master or 415229997Sken * slave. 416229997Sken */ 417230033Sken#ifdef CTLFEDEBUG 418268677Smav printf("%s: calling ctl_port_register() for %s%d\n", 419229997Sken __func__, cpi->dev_name, cpi->unit_number); 420230033Sken#endif 421275493Smav retval = ctl_port_register(port); 422229997Sken if (retval != 0) { 423268677Smav printf("%s: ctl_port_register() failed with " 424229997Sken "error %d!\n", __func__, retval); 425273317Smav mtx_destroy(&softc->lun_softc_mtx); 426273317Smav free(softc, M_CTLFE); 427229997Sken break; 428229997Sken } else { 429229997Sken mtx_lock(&ctlfe_list_mtx); 430273317Smav STAILQ_INSERT_TAIL(&ctlfe_softc_list, softc, links); 431229997Sken mtx_unlock(&ctlfe_list_mtx); 432229997Sken } 433229997Sken 434245228Sken break; 435245228Sken } 436245228Sken case AC_PATH_DEREGISTERED: { 437245228Sken 438245228Sken if (softc != NULL) { 439245228Sken /* 440245228Sken * XXX KDM are we certain at this point that there 441245228Sken * are no outstanding commands for this frontend? 442245228Sken */ 443273317Smav mtx_lock(&ctlfe_list_mtx); 444273317Smav STAILQ_REMOVE(&ctlfe_softc_list, softc, ctlfe_softc, 445273317Smav links); 446273317Smav mtx_unlock(&ctlfe_list_mtx); 447268677Smav ctl_port_deregister(&softc->port); 448260387Sscottl mtx_destroy(&softc->lun_softc_mtx); 449245228Sken free(softc, M_CTLFE); 450229997Sken } 451229997Sken break; 452229997Sken } 453229997Sken case AC_CONTRACT: { 454229997Sken struct ac_contract *ac; 455229997Sken 456229997Sken ac = (struct ac_contract *)arg; 457229997Sken 458229997Sken switch (ac->contract_number) { 459229997Sken case AC_CONTRACT_DEV_CHG: { 460229997Sken struct ac_device_changed *dev_chg; 461273317Smav int retval; 462229997Sken 463229997Sken dev_chg = (struct ac_device_changed *)ac->contract_data; 464229997Sken 465236426Smjacob printf("%s: WWPN %#jx port 0x%06x path %u target %u %s\n", 466229997Sken __func__, dev_chg->wwpn, dev_chg->port, 467229997Sken xpt_path_path_id(path), dev_chg->target, 468229997Sken (dev_chg->arrived == 0) ? "left" : "arrived"); 469229997Sken 470273317Smav if (softc == NULL) { 471229997Sken printf("%s: CTL port for CAM path %u not " 472229997Sken "found!\n", __func__, 473229997Sken xpt_path_path_id(path)); 474229997Sken break; 475229997Sken } 476229997Sken if (dev_chg->arrived != 0) { 477268692Smav retval = ctl_add_initiator(&softc->port, 478268692Smav dev_chg->target, dev_chg->wwpn, NULL); 479229997Sken } else { 480268692Smav retval = ctl_remove_initiator(&softc->port, 481268692Smav dev_chg->target); 482229997Sken } 483229997Sken 484268692Smav if (retval < 0) { 485229997Sken printf("%s: could not %s port %d iid %u " 486229997Sken "WWPN %#jx!\n", __func__, 487229997Sken (dev_chg->arrived != 0) ? "add" : 488268677Smav "remove", softc->port.targ_port, 489229997Sken dev_chg->target, 490229997Sken (uintmax_t)dev_chg->wwpn); 491229997Sken } 492229997Sken break; 493229997Sken } 494229997Sken default: 495229997Sken printf("%s: unsupported contract number %ju\n", 496229997Sken __func__, (uintmax_t)ac->contract_number); 497229997Sken break; 498229997Sken } 499229997Sken break; 500229997Sken } 501229997Sken default: 502229997Sken break; 503229997Sken } 504229997Sken} 505229997Sken 506229997Skenstatic cam_status 507229997Skenctlferegister(struct cam_periph *periph, void *arg) 508229997Sken{ 509229997Sken struct ctlfe_softc *bus_softc; 510229997Sken struct ctlfe_lun_softc *softc; 511229997Sken union ccb en_lun_ccb; 512229997Sken cam_status status; 513229997Sken int i; 514229997Sken 515229997Sken softc = (struct ctlfe_lun_softc *)arg; 516229997Sken bus_softc = softc->parent_softc; 517229997Sken 518229997Sken TAILQ_INIT(&softc->work_queue); 519229997Sken softc->periph = periph; 520229997Sken periph->softc = softc; 521229997Sken 522242174Smav xpt_setup_ccb(&en_lun_ccb.ccb_h, periph->path, CAM_PRIORITY_NONE); 523229997Sken en_lun_ccb.ccb_h.func_code = XPT_EN_LUN; 524229997Sken en_lun_ccb.cel.grp6_len = 0; 525229997Sken en_lun_ccb.cel.grp7_len = 0; 526229997Sken en_lun_ccb.cel.enable = 1; 527229997Sken xpt_action(&en_lun_ccb); 528229997Sken status = (en_lun_ccb.ccb_h.status & CAM_STATUS_MASK); 529229997Sken if (status != CAM_REQ_CMP) { 530229997Sken xpt_print(periph->path, "%s: Enable LUN failed, status 0x%x\n", 531229997Sken __func__, en_lun_ccb.ccb_h.status); 532229997Sken return (status); 533229997Sken } 534229997Sken 535229997Sken status = CAM_REQ_CMP; 536229997Sken 537229997Sken for (i = 0; i < CTLFE_ATIO_PER_LUN; i++) { 538229997Sken union ccb *new_ccb; 539275878Smav union ctl_io *new_io; 540288723Smav struct ctlfe_cmd_info *cmd_info; 541229997Sken 542229997Sken new_ccb = (union ccb *)malloc(sizeof(*new_ccb), M_CTLFE, 543236426Smjacob M_ZERO|M_NOWAIT); 544229997Sken if (new_ccb == NULL) { 545229997Sken status = CAM_RESRC_UNAVAIL; 546229997Sken break; 547229997Sken } 548275878Smav new_io = ctl_alloc_io_nowait(bus_softc->port.ctl_pool_ref); 549275878Smav if (new_io == NULL) { 550275878Smav free(new_ccb, M_CTLFE); 551275878Smav status = CAM_RESRC_UNAVAIL; 552275878Smav break; 553275878Smav } 554288723Smav cmd_info = malloc(sizeof(*cmd_info), M_CTLFE, 555288723Smav M_ZERO | M_NOWAIT); 556288723Smav if (cmd_info == NULL) { 557288723Smav ctl_free_io(new_io); 558288723Smav free(new_ccb, M_CTLFE); 559288723Smav status = CAM_RESRC_UNAVAIL; 560288723Smav break; 561288723Smav } 562312585Smav PRIV_INFO(new_io) = cmd_info; 563284793Smav softc->atios_alloced++; 564275878Smav new_ccb->ccb_h.io_ptr = new_io; 565275878Smav 566229997Sken xpt_setup_ccb(&new_ccb->ccb_h, periph->path, /*priority*/ 1); 567229997Sken new_ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO; 568229997Sken new_ccb->ccb_h.cbfcnp = ctlfedone; 569260387Sscottl new_ccb->ccb_h.flags |= CAM_UNLOCKED; 570229997Sken xpt_action(new_ccb); 571229997Sken status = new_ccb->ccb_h.status; 572229997Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 573288723Smav free(cmd_info, M_CTLFE); 574275878Smav ctl_free_io(new_io); 575229997Sken free(new_ccb, M_CTLFE); 576229997Sken break; 577229997Sken } 578229997Sken } 579229997Sken 580229997Sken status = cam_periph_acquire(periph); 581229997Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 582229997Sken xpt_print(periph->path, "%s: could not acquire reference " 583229997Sken "count, status = %#x\n", __func__, status); 584229997Sken return (status); 585229997Sken } 586229997Sken 587229997Sken if (i == 0) { 588229997Sken xpt_print(periph->path, "%s: could not allocate ATIO CCBs, " 589229997Sken "status 0x%x\n", __func__, status); 590229997Sken return (CAM_REQ_CMP_ERR); 591229997Sken } 592229997Sken 593229997Sken for (i = 0; i < CTLFE_IN_PER_LUN; i++) { 594229997Sken union ccb *new_ccb; 595275878Smav union ctl_io *new_io; 596229997Sken 597229997Sken new_ccb = (union ccb *)malloc(sizeof(*new_ccb), M_CTLFE, 598236426Smjacob M_ZERO|M_NOWAIT); 599229997Sken if (new_ccb == NULL) { 600229997Sken status = CAM_RESRC_UNAVAIL; 601229997Sken break; 602229997Sken } 603275878Smav new_io = ctl_alloc_io_nowait(bus_softc->port.ctl_pool_ref); 604275878Smav if (new_io == NULL) { 605275878Smav free(new_ccb, M_CTLFE); 606275878Smav status = CAM_RESRC_UNAVAIL; 607275878Smav break; 608275878Smav } 609284793Smav softc->inots_alloced++; 610275878Smav new_ccb->ccb_h.io_ptr = new_io; 611229997Sken 612229997Sken xpt_setup_ccb(&new_ccb->ccb_h, periph->path, /*priority*/ 1); 613229997Sken new_ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 614229997Sken new_ccb->ccb_h.cbfcnp = ctlfedone; 615260387Sscottl new_ccb->ccb_h.flags |= CAM_UNLOCKED; 616229997Sken xpt_action(new_ccb); 617229997Sken status = new_ccb->ccb_h.status; 618237601Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 619237601Sken /* 620237601Sken * Note that we don't free the CCB here. If the 621237601Sken * status is not CAM_REQ_INPROG, then we're 622237601Sken * probably talking to a SIM that says it is 623237601Sken * target-capable but doesn't support the 624237601Sken * XPT_IMMEDIATE_NOTIFY CCB. i.e. it supports the 625237601Sken * older API. In that case, it'll call xpt_done() 626237601Sken * on the CCB, and we need to free it in our done 627237601Sken * routine as a result. 628237601Sken */ 629229997Sken break; 630229997Sken } 631229997Sken } 632237601Sken if ((i == 0) 633237601Sken || (status != CAM_REQ_INPROG)) { 634229997Sken xpt_print(periph->path, "%s: could not allocate immediate " 635229997Sken "notify CCBs, status 0x%x\n", __func__, status); 636229997Sken return (CAM_REQ_CMP_ERR); 637229997Sken } 638275882Smav mtx_lock(&bus_softc->lun_softc_mtx); 639275882Smav STAILQ_INSERT_TAIL(&bus_softc->lun_softc_list, softc, links); 640275882Smav mtx_unlock(&bus_softc->lun_softc_mtx); 641229997Sken return (CAM_REQ_CMP); 642229997Sken} 643229997Sken 644229997Skenstatic void 645229997Skenctlfeoninvalidate(struct cam_periph *periph) 646229997Sken{ 647229997Sken union ccb en_lun_ccb; 648229997Sken cam_status status; 649260387Sscottl struct ctlfe_softc *bus_softc; 650229997Sken struct ctlfe_lun_softc *softc; 651229997Sken 652229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 653229997Sken 654242174Smav xpt_setup_ccb(&en_lun_ccb.ccb_h, periph->path, CAM_PRIORITY_NONE); 655229997Sken en_lun_ccb.ccb_h.func_code = XPT_EN_LUN; 656229997Sken en_lun_ccb.cel.grp6_len = 0; 657229997Sken en_lun_ccb.cel.grp7_len = 0; 658229997Sken en_lun_ccb.cel.enable = 0; 659229997Sken xpt_action(&en_lun_ccb); 660229997Sken status = (en_lun_ccb.ccb_h.status & CAM_STATUS_MASK); 661229997Sken if (status != CAM_REQ_CMP) { 662229997Sken xpt_print(periph->path, "%s: Disable LUN failed, status 0x%x\n", 663229997Sken __func__, en_lun_ccb.ccb_h.status); 664229997Sken /* 665229997Sken * XXX KDM what do we do now? 666229997Sken */ 667229997Sken } 668260387Sscottl 669260387Sscottl bus_softc = softc->parent_softc; 670260387Sscottl mtx_lock(&bus_softc->lun_softc_mtx); 671260387Sscottl STAILQ_REMOVE(&bus_softc->lun_softc_list, softc, ctlfe_lun_softc, links); 672260387Sscottl mtx_unlock(&bus_softc->lun_softc_mtx); 673229997Sken} 674229997Sken 675229997Skenstatic void 676229997Skenctlfecleanup(struct cam_periph *periph) 677229997Sken{ 678229997Sken struct ctlfe_lun_softc *softc; 679229997Sken 680229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 681229997Sken 682284793Smav KASSERT(softc->ccbs_freed == softc->ccbs_alloced, ("%s: " 683284793Smav "ccbs_freed %ju != ccbs_alloced %ju", __func__, 684284793Smav softc->ccbs_freed, softc->ccbs_alloced)); 685284793Smav KASSERT(softc->ctios_returned == softc->ctios_sent, ("%s: " 686284793Smav "ctios_returned %ju != ctios_sent %ju", __func__, 687284793Smav softc->ctios_returned, softc->ctios_sent)); 688284793Smav KASSERT(softc->atios_freed == softc->atios_alloced, ("%s: " 689284793Smav "atios_freed %ju != atios_alloced %ju", __func__, 690284793Smav softc->atios_freed, softc->atios_alloced)); 691284793Smav KASSERT(softc->inots_freed == softc->inots_alloced, ("%s: " 692284793Smav "inots_freed %ju != inots_alloced %ju", __func__, 693284793Smav softc->inots_freed, softc->inots_alloced)); 694245228Sken 695229997Sken free(softc, M_CTLFE); 696229997Sken} 697229997Sken 698229997Skenstatic void 699265641Smavctlfedata(struct ctlfe_lun_softc *softc, union ctl_io *io, 700265641Smav ccb_flags *flags, uint8_t **data_ptr, uint32_t *dxfer_len, 701265641Smav u_int16_t *sglist_cnt) 702265641Smav{ 703265641Smav struct ctlfe_softc *bus_softc; 704288723Smav struct ctlfe_cmd_info *cmd_info; 705265641Smav struct ctl_sg_entry *ctl_sglist; 706265641Smav bus_dma_segment_t *cam_sglist; 707265641Smav size_t off; 708265641Smav int i, idx; 709265641Smav 710312585Smav cmd_info = PRIV_INFO(io); 711265641Smav bus_softc = softc->parent_softc; 712265641Smav 713265641Smav /* 714265641Smav * Set the direction, relative to the initiator. 715265641Smav */ 716265641Smav *flags &= ~CAM_DIR_MASK; 717265641Smav if ((io->io_hdr.flags & CTL_FLAG_DATA_MASK) == CTL_FLAG_DATA_IN) 718265641Smav *flags |= CAM_DIR_IN; 719265641Smav else 720265641Smav *flags |= CAM_DIR_OUT; 721265641Smav 722265641Smav *flags &= ~CAM_DATA_MASK; 723265641Smav idx = cmd_info->cur_transfer_index; 724265641Smav off = cmd_info->cur_transfer_off; 725265641Smav cmd_info->flags &= ~CTLFE_CMD_PIECEWISE; 726313365Smav if (io->scsiio.kern_sg_entries == 0) { /* No S/G list. */ 727313365Smav 728313365Smav /* One time shift for SRR offset. */ 729313365Smav off += io->scsiio.ext_data_filled; 730313365Smav io->scsiio.ext_data_filled = 0; 731313365Smav 732265641Smav *data_ptr = io->scsiio.kern_data_ptr + off; 733265641Smav if (io->scsiio.kern_data_len - off <= bus_softc->maxio) { 734265641Smav *dxfer_len = io->scsiio.kern_data_len - off; 735265641Smav } else { 736265641Smav *dxfer_len = bus_softc->maxio; 737313365Smav cmd_info->cur_transfer_off += bus_softc->maxio; 738265641Smav cmd_info->flags |= CTLFE_CMD_PIECEWISE; 739265641Smav } 740265641Smav *sglist_cnt = 0; 741265641Smav 742265641Smav if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) 743265641Smav *flags |= CAM_DATA_PADDR; 744265641Smav else 745265641Smav *flags |= CAM_DATA_VADDR; 746313365Smav } else { /* S/G list with physical or virtual pointers. */ 747265641Smav ctl_sglist = (struct ctl_sg_entry *)io->scsiio.kern_data_ptr; 748313365Smav 749313365Smav /* One time shift for SRR offset. */ 750313365Smav while (io->scsiio.ext_data_filled >= ctl_sglist[idx].len - off) { 751313365Smav io->scsiio.ext_data_filled -= ctl_sglist[idx].len - off; 752313365Smav idx++; 753313365Smav off = 0; 754313365Smav } 755313365Smav off += io->scsiio.ext_data_filled; 756313365Smav io->scsiio.ext_data_filled = 0; 757313365Smav 758265641Smav cam_sglist = cmd_info->cam_sglist; 759265641Smav *dxfer_len = 0; 760265641Smav for (i = 0; i < io->scsiio.kern_sg_entries - idx; i++) { 761265641Smav cam_sglist[i].ds_addr = (bus_addr_t)ctl_sglist[i + idx].addr + off; 762265641Smav if (ctl_sglist[i + idx].len - off <= bus_softc->maxio - *dxfer_len) { 763265641Smav cam_sglist[i].ds_len = ctl_sglist[idx + i].len - off; 764265641Smav *dxfer_len += cam_sglist[i].ds_len; 765265641Smav } else { 766265641Smav cam_sglist[i].ds_len = bus_softc->maxio - *dxfer_len; 767265641Smav cmd_info->cur_transfer_index = idx + i; 768265641Smav cmd_info->cur_transfer_off = cam_sglist[i].ds_len + off; 769265641Smav cmd_info->flags |= CTLFE_CMD_PIECEWISE; 770265641Smav *dxfer_len += cam_sglist[i].ds_len; 771265641Smav if (ctl_sglist[i].len != 0) 772265641Smav i++; 773265641Smav break; 774265641Smav } 775265641Smav if (i == (CTLFE_MAX_SEGS - 1) && 776265641Smav idx + i < (io->scsiio.kern_sg_entries - 1)) { 777265641Smav cmd_info->cur_transfer_index = idx + i + 1; 778265641Smav cmd_info->cur_transfer_off = 0; 779265641Smav cmd_info->flags |= CTLFE_CMD_PIECEWISE; 780265641Smav i++; 781265641Smav break; 782265641Smav } 783265641Smav off = 0; 784265641Smav } 785265641Smav *sglist_cnt = i; 786265641Smav if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) 787265641Smav *flags |= CAM_DATA_SG_PADDR; 788265641Smav else 789265641Smav *flags |= CAM_DATA_SG; 790265641Smav *data_ptr = (uint8_t *)cam_sglist; 791265641Smav } 792265641Smav} 793265641Smav 794265641Smavstatic void 795229997Skenctlfestart(struct cam_periph *periph, union ccb *start_ccb) 796229997Sken{ 797229997Sken struct ctlfe_lun_softc *softc; 798288723Smav struct ctlfe_cmd_info *cmd_info; 799229997Sken struct ccb_hdr *ccb_h; 800275880Smav struct ccb_accept_tio *atio; 801275880Smav struct ccb_scsiio *csio; 802275880Smav uint8_t *data_ptr; 803275880Smav uint32_t dxfer_len; 804275880Smav ccb_flags flags; 805275880Smav union ctl_io *io; 806275880Smav uint8_t scsi_status; 807229997Sken 808229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 809229997Sken softc->ccbs_alloced++; 810229997Sken 811229997Sken ccb_h = TAILQ_FIRST(&softc->work_queue); 812260387Sscottl if (ccb_h == NULL) { 813229997Sken softc->ccbs_freed++; 814229997Sken xpt_release_ccb(start_ccb); 815275880Smav return; 816275880Smav } 817229997Sken 818275880Smav /* Take the ATIO off the work queue */ 819275880Smav TAILQ_REMOVE(&softc->work_queue, ccb_h, periph_links.tqe); 820275880Smav atio = (struct ccb_accept_tio *)ccb_h; 821275880Smav io = (union ctl_io *)ccb_h->io_ptr; 822275880Smav csio = &start_ccb->csio; 823229997Sken 824275880Smav flags = atio->ccb_h.flags & 825275880Smav (CAM_DIS_DISCONNECT|CAM_TAG_ACTION_VALID|CAM_DIR_MASK); 826312585Smav cmd_info = PRIV_INFO(io); 827275881Smav cmd_info->cur_transfer_index = 0; 828275881Smav cmd_info->cur_transfer_off = 0; 829275881Smav cmd_info->flags = 0; 830229997Sken 831275880Smav if (io->io_hdr.flags & CTL_FLAG_DMA_QUEUED) { 832275880Smav /* 833275880Smav * Datamove call, we need to setup the S/G list. 834275880Smav */ 835275880Smav ctlfedata(softc, io, &flags, &data_ptr, &dxfer_len, 836275880Smav &csio->sglist_cnt); 837275880Smav } else { 838275880Smav /* 839275880Smav * We're done, send status back. 840275880Smav */ 841275880Smav if ((io->io_hdr.flags & CTL_FLAG_ABORT) && 842275880Smav (io->io_hdr.flags & CTL_FLAG_ABORT_STATUS) == 0) { 843275880Smav io->io_hdr.flags &= ~CTL_FLAG_STATUS_QUEUED; 844275880Smav 845314737Smav /* Tell the SIM that we've aborted this ATIO */ 846314737Smav#ifdef CTLFEDEBUG 847314737Smav printf("%s: tag %04x abort\n", __func__, atio->tag_id); 848314737Smav#endif 849314737Smav KASSERT(atio->ccb_h.func_code == XPT_ACCEPT_TARGET_IO, 850314737Smav ("func_code %#x is not ATIO", atio->ccb_h.func_code)); 851275880Smav start_ccb->ccb_h.func_code = XPT_ABORT; 852275880Smav start_ccb->cab.abort_ccb = (union ccb *)atio; 853275880Smav xpt_action(start_ccb); 854275880Smav softc->ccbs_freed++; 855275880Smav xpt_release_ccb(start_ccb); 856229997Sken 857229997Sken /* 858275880Smav * Send the ATIO back down to the SIM. 859314737Smav * For a wildcard attachment, commands can come in 860314737Smav * with a specific target/lun. Reset the target and 861314737Smav * LUN fields back to the wildcard values before we 862314737Smav * send them back down to the SIM. 863229997Sken */ 864314737Smav if (softc->flags & CTLFE_LUN_WILDCARD) { 865314737Smav atio->ccb_h.target_id = CAM_TARGET_WILDCARD; 866314737Smav atio->ccb_h.target_lun = CAM_LUN_WILDCARD; 867314737Smav } 868275880Smav xpt_action((union ccb *)atio); 869229997Sken 870314737Smav /* If we still have work to do, ask for another CCB. */ 871275880Smav if (!TAILQ_EMPTY(&softc->work_queue)) 872275880Smav xpt_schedule(periph, /*priority*/ 1); 873275880Smav return; 874275880Smav } 875275881Smav data_ptr = NULL; 876275881Smav dxfer_len = 0; 877275881Smav csio->sglist_cnt = 0; 878275881Smav } 879313365Smav scsi_status = 0; 880275881Smav if ((io->io_hdr.flags & CTL_FLAG_STATUS_QUEUED) && 881275881Smav (cmd_info->flags & CTLFE_CMD_PIECEWISE) == 0 && 882275881Smav ((io->io_hdr.flags & CTL_FLAG_DMA_QUEUED) == 0 || 883275881Smav io->io_hdr.status == CTL_SUCCESS)) { 884275880Smav flags |= CAM_SEND_STATUS; 885275880Smav scsi_status = io->scsiio.scsi_status; 886275880Smav csio->sense_len = io->scsiio.sense_len; 887275880Smav#ifdef CTLFEDEBUG 888275880Smav printf("%s: tag %04x status %x\n", __func__, 889275880Smav atio->tag_id, io->io_hdr.status); 890275880Smav#endif 891275880Smav if (csio->sense_len != 0) { 892275880Smav csio->sense_data = io->scsiio.sense_data; 893275880Smav flags |= CAM_SEND_SENSE; 894229997Sken } 895275880Smav } 896229997Sken 897229997Sken#ifdef CTLFEDEBUG 898275880Smav printf("%s: %s: tag %04x flags %x ptr %p len %u\n", __func__, 899275880Smav (flags & CAM_SEND_STATUS) ? "done" : "datamove", 900275880Smav atio->tag_id, flags, data_ptr, dxfer_len); 901229997Sken#endif 902229997Sken 903275880Smav /* 904275880Smav * Valid combinations: 905275880Smav * - CAM_SEND_STATUS, CAM_DATA_SG = 0, dxfer_len = 0, 906275880Smav * sglist_cnt = 0 907275880Smav * - CAM_SEND_STATUS = 0, CAM_DATA_SG = 0, dxfer_len != 0, 908275880Smav * sglist_cnt = 0 909275880Smav * - CAM_SEND_STATUS = 0, CAM_DATA_SG, dxfer_len != 0, 910275880Smav * sglist_cnt != 0 911275880Smav */ 912229997Sken#ifdef CTLFEDEBUG 913275880Smav if (((flags & CAM_SEND_STATUS) 914275880Smav && (((flags & CAM_DATA_SG) != 0) 915275880Smav || (dxfer_len != 0) 916275880Smav || (csio->sglist_cnt != 0))) 917275880Smav || (((flags & CAM_SEND_STATUS) == 0) 918275880Smav && (dxfer_len == 0)) 919275880Smav || ((flags & CAM_DATA_SG) 920275880Smav && (csio->sglist_cnt == 0)) 921275880Smav || (((flags & CAM_DATA_SG) == 0) 922275880Smav && (csio->sglist_cnt != 0))) { 923275880Smav printf("%s: tag %04x cdb %02x flags %#x dxfer_len " 924275880Smav "%d sg %u\n", __func__, atio->tag_id, 925312845Smav atio_cdb_ptr(atio)[0], flags, dxfer_len, 926275880Smav csio->sglist_cnt); 927275880Smav printf("%s: tag %04x io status %#x\n", __func__, 928275880Smav atio->tag_id, io->io_hdr.status); 929275880Smav } 930229997Sken#endif 931275880Smav cam_fill_ctio(csio, 932275880Smav /*retries*/ 2, 933275880Smav ctlfedone, 934275880Smav flags, 935275880Smav (flags & CAM_TAG_ACTION_VALID) ? MSG_SIMPLE_Q_TAG : 0, 936275880Smav atio->tag_id, 937275880Smav atio->init_id, 938275880Smav scsi_status, 939275880Smav /*data_ptr*/ data_ptr, 940275880Smav /*dxfer_len*/ dxfer_len, 941275880Smav /*timeout*/ 5 * 1000); 942275880Smav start_ccb->ccb_h.flags |= CAM_UNLOCKED; 943275880Smav start_ccb->ccb_h.ccb_atio = atio; 944275880Smav if (io->io_hdr.flags & CTL_FLAG_DMA_QUEUED) 945275880Smav io->io_hdr.flags |= CTL_FLAG_DMA_INPROG; 946275880Smav io->io_hdr.flags &= ~(CTL_FLAG_DMA_QUEUED | CTL_FLAG_STATUS_QUEUED); 947229997Sken 948275880Smav softc->ctios_sent++; 949229997Sken 950275880Smav cam_periph_unlock(periph); 951275880Smav xpt_action(start_ccb); 952275880Smav cam_periph_lock(periph); 953229997Sken 954229997Sken /* 955275880Smav * If we still have work to do, ask for another CCB. 956229997Sken */ 957275880Smav if (!TAILQ_EMPTY(&softc->work_queue)) 958229997Sken xpt_schedule(periph, /*priority*/ 1); 959229997Sken} 960229997Sken 961229997Skenstatic void 962229997Skenctlfe_free_ccb(struct cam_periph *periph, union ccb *ccb) 963229997Sken{ 964229997Sken struct ctlfe_lun_softc *softc; 965288723Smav union ctl_io *io; 966288723Smav struct ctlfe_cmd_info *cmd_info; 967229997Sken 968229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 969288723Smav io = ccb->ccb_h.io_ptr; 970229997Sken 971229997Sken switch (ccb->ccb_h.func_code) { 972229997Sken case XPT_ACCEPT_TARGET_IO: 973284793Smav softc->atios_freed++; 974312585Smav cmd_info = PRIV_INFO(io); 975288723Smav free(cmd_info, M_CTLFE); 976229997Sken break; 977229997Sken case XPT_IMMEDIATE_NOTIFY: 978229997Sken case XPT_NOTIFY_ACKNOWLEDGE: 979284793Smav softc->inots_freed++; 980229997Sken break; 981229997Sken default: 982229997Sken break; 983229997Sken } 984229997Sken 985288723Smav ctl_free_io(io); 986229997Sken free(ccb, M_CTLFE); 987229997Sken 988284793Smav KASSERT(softc->atios_freed <= softc->atios_alloced, ("%s: " 989284793Smav "atios_freed %ju > atios_alloced %ju", __func__, 990284793Smav softc->atios_freed, softc->atios_alloced)); 991284793Smav KASSERT(softc->inots_freed <= softc->inots_alloced, ("%s: " 992284793Smav "inots_freed %ju > inots_alloced %ju", __func__, 993284793Smav softc->inots_freed, softc->inots_alloced)); 994229997Sken 995229997Sken /* 996229997Sken * If we have received all of our CCBs, we can release our 997229997Sken * reference on the peripheral driver. It will probably go away 998229997Sken * now. 999229997Sken */ 1000284793Smav if ((softc->atios_freed == softc->atios_alloced) 1001284793Smav && (softc->inots_freed == softc->inots_alloced)) { 1002229997Sken cam_periph_release_locked(periph); 1003229997Sken } 1004229997Sken} 1005229997Sken 1006238870Smjacobstatic int 1007238870Smjacobctlfe_adjust_cdb(struct ccb_accept_tio *atio, uint32_t offset) 1008238870Smjacob{ 1009238870Smjacob uint64_t lba; 1010238870Smjacob uint32_t num_blocks, nbc; 1011312845Smav uint8_t *cmdbyt = atio_cdb_ptr(atio); 1012238870Smjacob 1013238870Smjacob nbc = offset >> 9; /* ASSUMING 512 BYTE BLOCKS */ 1014238870Smjacob 1015238870Smjacob switch (cmdbyt[0]) { 1016238870Smjacob case READ_6: 1017238870Smjacob case WRITE_6: 1018238870Smjacob { 1019238870Smjacob struct scsi_rw_6 *cdb = (struct scsi_rw_6 *)cmdbyt; 1020238870Smjacob lba = scsi_3btoul(cdb->addr); 1021238870Smjacob lba &= 0x1fffff; 1022238870Smjacob num_blocks = cdb->length; 1023238870Smjacob if (num_blocks == 0) 1024238870Smjacob num_blocks = 256; 1025238870Smjacob lba += nbc; 1026238870Smjacob num_blocks -= nbc; 1027238870Smjacob scsi_ulto3b(lba, cdb->addr); 1028238870Smjacob cdb->length = num_blocks; 1029238870Smjacob break; 1030238870Smjacob } 1031238870Smjacob case READ_10: 1032238870Smjacob case WRITE_10: 1033238870Smjacob { 1034238870Smjacob struct scsi_rw_10 *cdb = (struct scsi_rw_10 *)cmdbyt; 1035238870Smjacob lba = scsi_4btoul(cdb->addr); 1036238870Smjacob num_blocks = scsi_2btoul(cdb->length); 1037238870Smjacob lba += nbc; 1038238870Smjacob num_blocks -= nbc; 1039238870Smjacob scsi_ulto4b(lba, cdb->addr); 1040238870Smjacob scsi_ulto2b(num_blocks, cdb->length); 1041238870Smjacob break; 1042238870Smjacob } 1043238870Smjacob case READ_12: 1044238870Smjacob case WRITE_12: 1045238870Smjacob { 1046238870Smjacob struct scsi_rw_12 *cdb = (struct scsi_rw_12 *)cmdbyt; 1047238870Smjacob lba = scsi_4btoul(cdb->addr); 1048238870Smjacob num_blocks = scsi_4btoul(cdb->length); 1049238870Smjacob lba += nbc; 1050238870Smjacob num_blocks -= nbc; 1051238870Smjacob scsi_ulto4b(lba, cdb->addr); 1052238870Smjacob scsi_ulto4b(num_blocks, cdb->length); 1053238870Smjacob break; 1054238870Smjacob } 1055238870Smjacob case READ_16: 1056238870Smjacob case WRITE_16: 1057238870Smjacob { 1058238870Smjacob struct scsi_rw_16 *cdb = (struct scsi_rw_16 *)cmdbyt; 1059238870Smjacob lba = scsi_8btou64(cdb->addr); 1060238870Smjacob num_blocks = scsi_4btoul(cdb->length); 1061238870Smjacob lba += nbc; 1062238870Smjacob num_blocks -= nbc; 1063238870Smjacob scsi_u64to8b(lba, cdb->addr); 1064238870Smjacob scsi_ulto4b(num_blocks, cdb->length); 1065238870Smjacob break; 1066238870Smjacob } 1067238870Smjacob default: 1068238870Smjacob return -1; 1069238870Smjacob } 1070238870Smjacob return (0); 1071238870Smjacob} 1072238870Smjacob 1073229997Skenstatic void 1074229997Skenctlfedone(struct cam_periph *periph, union ccb *done_ccb) 1075229997Sken{ 1076229997Sken struct ctlfe_lun_softc *softc; 1077229997Sken struct ctlfe_softc *bus_softc; 1078288723Smav struct ctlfe_cmd_info *cmd_info; 1079238870Smjacob struct ccb_accept_tio *atio = NULL; 1080238870Smjacob union ctl_io *io = NULL; 1081260387Sscottl struct mtx *mtx; 1082314727Smav cam_status status; 1083229997Sken 1084260387Sscottl KASSERT((done_ccb->ccb_h.flags & CAM_UNLOCKED) != 0, 1085260387Sscottl ("CCB in ctlfedone() without CAM_UNLOCKED flag")); 1086229997Sken#ifdef CTLFE_DEBUG 1087275878Smav printf("%s: entered, func_code = %#x\n", __func__, 1088275878Smav done_ccb->ccb_h.func_code); 1089229997Sken#endif 1090229997Sken 1091284794Smav /* 1092284794Smav * At this point CTL has no known use case for device queue freezes. 1093284794Smav * In case some SIM think different -- drop its freeze right here. 1094284794Smav */ 1095284794Smav if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1096284794Smav cam_release_devq(periph->path, 1097284794Smav /*relsim_flags*/0, 1098284794Smav /*reduction*/0, 1099284794Smav /*timeout*/0, 1100284794Smav /*getcount_only*/0); 1101284794Smav done_ccb->ccb_h.status &= ~CAM_DEV_QFRZN; 1102284794Smav } 1103284794Smav 1104229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 1105229997Sken bus_softc = softc->parent_softc; 1106260387Sscottl mtx = cam_periph_mtx(periph); 1107260387Sscottl mtx_lock(mtx); 1108229997Sken 1109229997Sken switch (done_ccb->ccb_h.func_code) { 1110229997Sken case XPT_ACCEPT_TARGET_IO: { 1111229997Sken 1112229997Sken atio = &done_ccb->atio; 1113314727Smav status = atio->ccb_h.status & CAM_STATUS_MASK; 1114314727Smav if (status != CAM_CDB_RECVD) { 1115314727Smav ctlfe_free_ccb(periph, done_ccb); 1116314727Smav goto out; 1117314727Smav } 1118229997Sken 1119238870Smjacob resubmit: 1120229997Sken /* 1121229997Sken * Allocate a ctl_io, pass it to CTL, and wait for the 1122229997Sken * datamove or done. 1123229997Sken */ 1124260387Sscottl mtx_unlock(mtx); 1125275878Smav io = done_ccb->ccb_h.io_ptr; 1126312585Smav cmd_info = PRIV_INFO(io); 1127229997Sken ctl_zero_io(io); 1128229997Sken 1129229997Sken /* Save pointers on both sides */ 1130312585Smav PRIV_CCB(io) = done_ccb; 1131312585Smav PRIV_INFO(io) = cmd_info; 1132229997Sken done_ccb->ccb_h.io_ptr = io; 1133229997Sken 1134229997Sken /* 1135229997Sken * Only SCSI I/O comes down this path, resets, etc. come 1136229997Sken * down the immediate notify path below. 1137229997Sken */ 1138229997Sken io->io_hdr.io_type = CTL_IO_SCSI; 1139288731Smav io->io_hdr.nexus.initid = atio->init_id; 1140268677Smav io->io_hdr.nexus.targ_port = bus_softc->port.targ_port; 1141290776Smav if (bus_softc->hba_misc & PIM_EXTLUNS) { 1142290776Smav io->io_hdr.nexus.targ_lun = ctl_decode_lun( 1143290776Smav CAM_EXTLUN_BYTE_SWIZZLE(atio->ccb_h.target_lun)); 1144290776Smav } else { 1145290776Smav io->io_hdr.nexus.targ_lun = atio->ccb_h.target_lun; 1146290776Smav } 1147229997Sken io->scsiio.tag_num = atio->tag_id; 1148229997Sken switch (atio->tag_action) { 1149229997Sken case CAM_TAG_ACTION_NONE: 1150229997Sken io->scsiio.tag_type = CTL_TAG_UNTAGGED; 1151229997Sken break; 1152229997Sken case MSG_SIMPLE_TASK: 1153229997Sken io->scsiio.tag_type = CTL_TAG_SIMPLE; 1154229997Sken break; 1155229997Sken case MSG_HEAD_OF_QUEUE_TASK: 1156229997Sken io->scsiio.tag_type = CTL_TAG_HEAD_OF_QUEUE; 1157229997Sken break; 1158229997Sken case MSG_ORDERED_TASK: 1159229997Sken io->scsiio.tag_type = CTL_TAG_ORDERED; 1160229997Sken break; 1161229997Sken case MSG_ACA_TASK: 1162229997Sken io->scsiio.tag_type = CTL_TAG_ACA; 1163229997Sken break; 1164229997Sken default: 1165229997Sken io->scsiio.tag_type = CTL_TAG_UNTAGGED; 1166229997Sken printf("%s: unhandled tag type %#x!!\n", __func__, 1167229997Sken atio->tag_action); 1168229997Sken break; 1169229997Sken } 1170229997Sken if (atio->cdb_len > sizeof(io->scsiio.cdb)) { 1171229997Sken printf("%s: WARNING: CDB len %d > ctl_io space %zd\n", 1172229997Sken __func__, atio->cdb_len, sizeof(io->scsiio.cdb)); 1173229997Sken } 1174229997Sken io->scsiio.cdb_len = min(atio->cdb_len, sizeof(io->scsiio.cdb)); 1175312845Smav bcopy(atio_cdb_ptr(atio), io->scsiio.cdb, io->scsiio.cdb_len); 1176229997Sken 1177229997Sken#ifdef CTLFEDEBUG 1178288731Smav printf("%s: %u:%u:%u: tag %04x CDB %02x\n", __func__, 1179288731Smav io->io_hdr.nexus.initid, 1180229997Sken io->io_hdr.nexus.targ_port, 1181229997Sken io->io_hdr.nexus.targ_lun, 1182229997Sken io->scsiio.tag_num, io->scsiio.cdb[0]); 1183229997Sken#endif 1184229997Sken 1185229997Sken ctl_queue(io); 1186260387Sscottl return; 1187229997Sken } 1188229997Sken case XPT_CONT_TARGET_IO: { 1189238870Smjacob int srr = 0; 1190238870Smjacob uint32_t srr_off = 0; 1191229997Sken 1192229997Sken atio = (struct ccb_accept_tio *)done_ccb->ccb_h.ccb_atio; 1193229997Sken io = (union ctl_io *)atio->ccb_h.io_ptr; 1194229997Sken 1195229997Sken softc->ctios_returned++; 1196229997Sken#ifdef CTLFEDEBUG 1197229997Sken printf("%s: got XPT_CONT_TARGET_IO tag %#x flags %#x\n", 1198229997Sken __func__, atio->tag_id, done_ccb->ccb_h.flags); 1199229997Sken#endif 1200229997Sken /* 1201238870Smjacob * Handle SRR case were the data pointer is pushed back hack 1202238870Smjacob */ 1203238870Smjacob if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_MESSAGE_RECV 1204238870Smjacob && done_ccb->csio.msg_ptr != NULL 1205238870Smjacob && done_ccb->csio.msg_ptr[0] == MSG_EXTENDED 1206238870Smjacob && done_ccb->csio.msg_ptr[1] == 5 1207238870Smjacob && done_ccb->csio.msg_ptr[2] == 0) { 1208238870Smjacob srr = 1; 1209238870Smjacob srr_off = 1210238870Smjacob (done_ccb->csio.msg_ptr[3] << 24) 1211238870Smjacob | (done_ccb->csio.msg_ptr[4] << 16) 1212238870Smjacob | (done_ccb->csio.msg_ptr[5] << 8) 1213238870Smjacob | (done_ccb->csio.msg_ptr[6]); 1214238870Smjacob } 1215238870Smjacob 1216313365Smav /* 1217313365Smav * If we have an SRR and we're still sending data, we 1218313365Smav * should be able to adjust offsets and cycle again. 1219313365Smav * It is possible only if offset is from this datamove. 1220313365Smav */ 1221313365Smav if (srr && (io->io_hdr.flags & CTL_FLAG_DMA_INPROG) && 1222313365Smav srr_off >= io->scsiio.kern_rel_offset && 1223313365Smav srr_off < io->scsiio.kern_rel_offset + 1224313365Smav io->scsiio.kern_data_len) { 1225313365Smav io->scsiio.kern_data_resid = 1226313365Smav io->scsiio.kern_rel_offset + 1227313365Smav io->scsiio.kern_data_len - srr_off; 1228313365Smav io->scsiio.ext_data_filled = srr_off; 1229313365Smav io->scsiio.io_hdr.status = CTL_STATUS_NONE; 1230313365Smav io->io_hdr.flags |= CTL_FLAG_DMA_QUEUED; 1231313365Smav softc->ccbs_freed++; 1232313365Smav xpt_release_ccb(done_ccb); 1233313365Smav TAILQ_INSERT_HEAD(&softc->work_queue, &atio->ccb_h, 1234313365Smav periph_links.tqe); 1235313365Smav xpt_schedule(periph, /*priority*/ 1); 1236313365Smav break; 1237313365Smav } 1238313365Smav 1239313365Smav /* 1240313365Smav * If status was being sent, the back end data is now history. 1241313365Smav * Hack it up and resubmit a new command with the CDB adjusted. 1242313365Smav * If the SIM does the right thing, all of the resid math 1243313365Smav * should work. 1244313365Smav */ 1245275880Smav if (srr && (io->io_hdr.flags & CTL_FLAG_DMA_INPROG) == 0) { 1246238870Smjacob softc->ccbs_freed++; 1247238870Smjacob xpt_release_ccb(done_ccb); 1248238870Smjacob if (ctlfe_adjust_cdb(atio, srr_off) == 0) { 1249238870Smjacob done_ccb = (union ccb *)atio; 1250238870Smjacob goto resubmit; 1251238870Smjacob } 1252238870Smjacob /* 1253238870Smjacob * Fall through to doom.... 1254238870Smjacob */ 1255238870Smjacob } 1256238870Smjacob 1257277919Smav if ((done_ccb->ccb_h.flags & CAM_SEND_STATUS) && 1258277919Smav (done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) 1259277919Smav io->io_hdr.flags |= CTL_FLAG_STATUS_SENT; 1260277919Smav 1261238870Smjacob /* 1262229997Sken * If we were sending status back to the initiator, free up 1263229997Sken * resources. If we were doing a datamove, call the 1264229997Sken * datamove done routine. 1265229997Sken */ 1266275880Smav if ((io->io_hdr.flags & CTL_FLAG_DMA_INPROG) == 0) { 1267229997Sken softc->ccbs_freed++; 1268229997Sken xpt_release_ccb(done_ccb); 1269229997Sken /* 1270229997Sken * For a wildcard attachment, commands can come in 1271229997Sken * with a specific target/lun. Reset the target 1272229997Sken * and LUN fields back to the wildcard values before 1273229997Sken * we send them back down to the SIM. The SIM has 1274229997Sken * a wildcard LUN enabled, not whatever target/lun 1275229997Sken * these happened to be. 1276229997Sken */ 1277229997Sken if (softc->flags & CTLFE_LUN_WILDCARD) { 1278229997Sken atio->ccb_h.target_id = CAM_TARGET_WILDCARD; 1279229997Sken atio->ccb_h.target_lun = CAM_LUN_WILDCARD; 1280229997Sken } 1281229997Sken if (periph->flags & CAM_PERIPH_INVALID) { 1282229997Sken ctlfe_free_ccb(periph, (union ccb *)atio); 1283229997Sken } else { 1284260387Sscottl mtx_unlock(mtx); 1285229997Sken xpt_action((union ccb *)atio); 1286260387Sscottl return; 1287229997Sken } 1288229997Sken } else { 1289288723Smav struct ctlfe_cmd_info *cmd_info; 1290229997Sken struct ccb_scsiio *csio; 1291229997Sken 1292229997Sken csio = &done_ccb->csio; 1293312585Smav cmd_info = PRIV_INFO(io); 1294229997Sken 1295229997Sken io->io_hdr.flags &= ~CTL_FLAG_DMA_INPROG; 1296229997Sken 1297229997Sken /* 1298229997Sken * Translate CAM status to CTL status. Success 1299229997Sken * does not change the overall, ctl_io status. In 1300229997Sken * that case we just set port_status to 0. If we 1301229997Sken * have a failure, though, set a data phase error 1302229997Sken * for the overall ctl_io. 1303229997Sken */ 1304229997Sken switch (done_ccb->ccb_h.status & CAM_STATUS_MASK) { 1305229997Sken case CAM_REQ_CMP: 1306313365Smav io->scsiio.kern_data_resid -= csio->dxfer_len; 1307229997Sken io->io_hdr.port_status = 0; 1308229997Sken break; 1309229997Sken default: 1310229997Sken /* 1311245228Sken * XXX KDM we probably need to figure out a 1312245228Sken * standard set of errors that the SIM 1313245228Sken * drivers should return in the event of a 1314245228Sken * data transfer failure. A data phase 1315245228Sken * error will at least point the user to a 1316245228Sken * data transfer error of some sort. 1317245228Sken * Hopefully the SIM printed out some 1318245228Sken * additional information to give the user 1319245228Sken * a clue what happened. 1320229997Sken */ 1321229997Sken io->io_hdr.port_status = 0xbad1; 1322229997Sken ctl_set_data_phase_error(&io->scsiio); 1323229997Sken /* 1324229997Sken * XXX KDM figure out residual. 1325229997Sken */ 1326229997Sken break; 1327229997Sken } 1328229997Sken /* 1329229997Sken * If we had to break this S/G list into multiple 1330229997Sken * pieces, figure out where we are in the list, and 1331229997Sken * continue sending pieces if necessary. 1332229997Sken */ 1333229997Sken if ((cmd_info->flags & CTLFE_CMD_PIECEWISE) 1334265641Smav && (io->io_hdr.port_status == 0)) { 1335229997Sken ccb_flags flags; 1336229997Sken uint8_t *data_ptr; 1337229997Sken uint32_t dxfer_len; 1338229997Sken 1339229997Sken flags = atio->ccb_h.flags & 1340229997Sken (CAM_DIS_DISCONNECT| 1341265641Smav CAM_TAG_ACTION_VALID); 1342229997Sken 1343265641Smav ctlfedata(softc, io, &flags, &data_ptr, 1344265641Smav &dxfer_len, &csio->sglist_cnt); 1345229997Sken 1346229997Sken if (((flags & CAM_SEND_STATUS) == 0) 1347229997Sken && (dxfer_len == 0)) { 1348229997Sken printf("%s: tag %04x no status or " 1349229997Sken "len cdb = %02x\n", __func__, 1350229997Sken atio->tag_id, 1351312845Smav atio_cdb_ptr(atio)[0]); 1352229997Sken printf("%s: tag %04x io status %#x\n", 1353229997Sken __func__, atio->tag_id, 1354229997Sken io->io_hdr.status); 1355229997Sken } 1356229997Sken 1357229997Sken cam_fill_ctio(csio, 1358229997Sken /*retries*/ 2, 1359229997Sken ctlfedone, 1360229997Sken flags, 1361229997Sken (flags & CAM_TAG_ACTION_VALID) ? 1362229997Sken MSG_SIMPLE_Q_TAG : 0, 1363229997Sken atio->tag_id, 1364229997Sken atio->init_id, 1365313365Smav 0, 1366229997Sken /*data_ptr*/ data_ptr, 1367229997Sken /*dxfer_len*/ dxfer_len, 1368229997Sken /*timeout*/ 5 * 1000); 1369229997Sken 1370260387Sscottl csio->ccb_h.flags |= CAM_UNLOCKED; 1371229997Sken csio->resid = 0; 1372229997Sken csio->ccb_h.ccb_atio = atio; 1373229997Sken io->io_hdr.flags |= CTL_FLAG_DMA_INPROG; 1374229997Sken softc->ctios_sent++; 1375260387Sscottl mtx_unlock(mtx); 1376229997Sken xpt_action((union ccb *)csio); 1377229997Sken } else { 1378229997Sken /* 1379229997Sken * Release the CTIO. The ATIO will be sent back 1380229997Sken * down to the SIM once we send status. 1381229997Sken */ 1382229997Sken softc->ccbs_freed++; 1383229997Sken xpt_release_ccb(done_ccb); 1384260387Sscottl mtx_unlock(mtx); 1385229997Sken 1386229997Sken /* Call the backend move done callback */ 1387229997Sken io->scsiio.be_move_done(io); 1388229997Sken } 1389260387Sscottl return; 1390229997Sken } 1391229997Sken break; 1392229997Sken } 1393229997Sken case XPT_IMMEDIATE_NOTIFY: { 1394229997Sken union ctl_io *io; 1395229997Sken struct ccb_immediate_notify *inot; 1396284794Smav int send_ctl_io; 1397229997Sken 1398229997Sken inot = &done_ccb->cin1; 1399275878Smav io = done_ccb->ccb_h.io_ptr; 1400275878Smav ctl_zero_io(io); 1401229997Sken 1402275878Smav send_ctl_io = 1; 1403229997Sken 1404275878Smav io->io_hdr.io_type = CTL_IO_TASK; 1405312585Smav PRIV_CCB(io) = done_ccb; 1406275878Smav inot->ccb_h.io_ptr = io; 1407288731Smav io->io_hdr.nexus.initid = inot->initiator_id; 1408275878Smav io->io_hdr.nexus.targ_port = bus_softc->port.targ_port; 1409290776Smav if (bus_softc->hba_misc & PIM_EXTLUNS) { 1410290776Smav io->io_hdr.nexus.targ_lun = ctl_decode_lun( 1411290776Smav CAM_EXTLUN_BYTE_SWIZZLE(inot->ccb_h.target_lun)); 1412290776Smav } else { 1413290776Smav io->io_hdr.nexus.targ_lun = inot->ccb_h.target_lun; 1414290776Smav } 1415275878Smav /* XXX KDM should this be the tag_id? */ 1416275878Smav io->taskio.tag_num = inot->seq_id; 1417229997Sken 1418275878Smav status = inot->ccb_h.status & CAM_STATUS_MASK; 1419275878Smav switch (status) { 1420275878Smav case CAM_SCSI_BUS_RESET: 1421275878Smav io->taskio.task_action = CTL_TASK_BUS_RESET; 1422275878Smav break; 1423275878Smav case CAM_BDR_SENT: 1424275878Smav io->taskio.task_action = CTL_TASK_TARGET_RESET; 1425275878Smav break; 1426275878Smav case CAM_MESSAGE_RECV: 1427275878Smav switch (inot->arg) { 1428275878Smav case MSG_ABORT_TASK_SET: 1429275878Smav io->taskio.task_action = 1430275878Smav CTL_TASK_ABORT_TASK_SET; 1431229997Sken break; 1432275878Smav case MSG_TARGET_RESET: 1433290775Smav io->taskio.task_action = CTL_TASK_TARGET_RESET; 1434229997Sken break; 1435275878Smav case MSG_ABORT_TASK: 1436290775Smav io->taskio.task_action = CTL_TASK_ABORT_TASK; 1437229997Sken break; 1438275878Smav case MSG_LOGICAL_UNIT_RESET: 1439290775Smav io->taskio.task_action = CTL_TASK_LUN_RESET; 1440275878Smav break; 1441275878Smav case MSG_CLEAR_TASK_SET: 1442275878Smav io->taskio.task_action = 1443290775Smav CTL_TASK_CLEAR_TASK_SET; 1444275878Smav break; 1445275878Smav case MSG_CLEAR_ACA: 1446290775Smav io->taskio.task_action = CTL_TASK_CLEAR_ACA; 1447290775Smav break; 1448290775Smav case MSG_QUERY_TASK: 1449290775Smav io->taskio.task_action = CTL_TASK_QUERY_TASK; 1450290775Smav break; 1451290775Smav case MSG_QUERY_TASK_SET: 1452275878Smav io->taskio.task_action = 1453290775Smav CTL_TASK_QUERY_TASK_SET; 1454275878Smav break; 1455290775Smav case MSG_QUERY_ASYNC_EVENT: 1456290775Smav io->taskio.task_action = 1457290775Smav CTL_TASK_QUERY_ASYNC_EVENT; 1458290775Smav break; 1459275878Smav case MSG_NOOP: 1460229997Sken send_ctl_io = 0; 1461229997Sken break; 1462229997Sken default: 1463275878Smav xpt_print(periph->path, 1464314727Smav "%s: unsupported INOT message 0x%x\n", 1465314727Smav __func__, inot->arg); 1466275878Smav send_ctl_io = 0; 1467275878Smav break; 1468275878Smav } 1469275878Smav break; 1470314727Smav default: 1471314727Smav xpt_print(periph->path, 1472314727Smav "%s: unsupported INOT status 0x%x\n", 1473314727Smav __func__, status); 1474314727Smav /* FALLTHROUGH */ 1475275878Smav case CAM_REQ_ABORTED: 1476275878Smav case CAM_REQ_INVALID: 1477314727Smav case CAM_DEV_NOT_THERE: 1478275878Smav case CAM_PROVIDE_FAIL: 1479275878Smav ctlfe_free_ccb(periph, done_ccb); 1480275878Smav goto out; 1481275878Smav } 1482275878Smav if (send_ctl_io != 0) { 1483275878Smav ctl_queue(io); 1484229997Sken } else { 1485229997Sken done_ccb->ccb_h.status = CAM_REQ_INPROG; 1486229997Sken done_ccb->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE; 1487229997Sken xpt_action(done_ccb); 1488229997Sken } 1489229997Sken break; 1490229997Sken } 1491229997Sken case XPT_NOTIFY_ACKNOWLEDGE: 1492314727Smav if (periph->flags & CAM_PERIPH_INVALID) { 1493314727Smav ctlfe_free_ccb(periph, done_ccb); 1494314727Smav goto out; 1495314727Smav } 1496314727Smav 1497229997Sken /* 1498229997Sken * Queue this back down to the SIM as an immediate notify. 1499229997Sken */ 1500304417Smav done_ccb->ccb_h.status = CAM_REQ_INPROG; 1501229997Sken done_ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 1502229997Sken xpt_action(done_ccb); 1503229997Sken break; 1504229997Sken case XPT_SET_SIM_KNOB: 1505229997Sken case XPT_GET_SIM_KNOB: 1506229997Sken break; 1507229997Sken default: 1508229997Sken panic("%s: unexpected CCB type %#x", __func__, 1509229997Sken done_ccb->ccb_h.func_code); 1510229997Sken break; 1511229997Sken } 1512260387Sscottl 1513260387Sscottlout: 1514260387Sscottl mtx_unlock(mtx); 1515229997Sken} 1516229997Sken 1517229997Skenstatic void 1518229997Skenctlfe_onoffline(void *arg, int online) 1519229997Sken{ 1520229997Sken struct ctlfe_softc *bus_softc; 1521229997Sken union ccb *ccb; 1522229997Sken cam_status status; 1523229997Sken struct cam_path *path; 1524229997Sken int set_wwnn; 1525229997Sken 1526229997Sken bus_softc = (struct ctlfe_softc *)arg; 1527229997Sken 1528229997Sken set_wwnn = 0; 1529229997Sken 1530229997Sken status = xpt_create_path(&path, /*periph*/ NULL, bus_softc->path_id, 1531229997Sken CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 1532229997Sken if (status != CAM_REQ_CMP) { 1533229997Sken printf("%s: unable to create path!\n", __func__); 1534229997Sken return; 1535229997Sken } 1536275882Smav ccb = xpt_alloc_ccb(); 1537242174Smav xpt_setup_ccb(&ccb->ccb_h, path, CAM_PRIORITY_NONE); 1538288713Smav ccb->ccb_h.func_code = XPT_GET_SIM_KNOB; 1539288713Smav xpt_action(ccb); 1540229997Sken 1541229997Sken /* 1542229997Sken * Copan WWN format: 1543229997Sken * 1544229997Sken * Bits 63-60: 0x5 NAA, IEEE registered name 1545229997Sken * Bits 59-36: 0x000ED5 IEEE Company name assigned to Copan 1546229997Sken * Bits 35-12: Copan SSN (Sequential Serial Number) 1547229997Sken * Bits 11-8: Type of port: 1548229997Sken * 1 == N-Port 1549229997Sken * 2 == F-Port 1550229997Sken * 3 == NL-Port 1551229997Sken * Bits 7-0: 0 == Node Name, >0 == Port Number 1552229997Sken */ 1553229997Sken if (online != 0) { 1554229997Sken if ((ccb->knob.xport_specific.valid & KNOB_VALID_ADDRESS) != 0){ 1555229997Sken#ifdef RANDOM_WWNN 1556229997Sken uint64_t random_bits; 1557229997Sken#endif 1558229997Sken 1559229997Sken printf("%s: %s current WWNN %#jx\n", __func__, 1560229997Sken bus_softc->port_name, 1561229997Sken ccb->knob.xport_specific.fc.wwnn); 1562229997Sken printf("%s: %s current WWPN %#jx\n", __func__, 1563229997Sken bus_softc->port_name, 1564229997Sken ccb->knob.xport_specific.fc.wwpn); 1565229997Sken 1566229997Sken#ifdef RANDOM_WWNN 1567229997Sken arc4rand(&random_bits, sizeof(random_bits), 0); 1568229997Sken#endif 1569229997Sken 1570229997Sken /* 1571229997Sken * XXX KDM this is a bit of a kludge for now. We 1572229997Sken * take the current WWNN/WWPN from the card, and 1573229997Sken * replace the company identifier and the NL-Port 1574229997Sken * indicator and the port number (for the WWPN). 1575229997Sken * This should be replaced later with ddb_GetWWNN, 1576229997Sken * or possibly a more centralized scheme. (It 1577229997Sken * would be nice to have the WWNN/WWPN for each 1578268677Smav * port stored in the ctl_port structure.) 1579229997Sken */ 1580229997Sken#ifdef RANDOM_WWNN 1581229997Sken ccb->knob.xport_specific.fc.wwnn = 1582229997Sken (random_bits & 1583229997Sken 0x0000000fffffff00ULL) | 1584229997Sken /* Company ID */ 0x5000ED5000000000ULL | 1585229997Sken /* NL-Port */ 0x0300; 1586229997Sken ccb->knob.xport_specific.fc.wwpn = 1587229997Sken (random_bits & 1588229997Sken 0x0000000fffffff00ULL) | 1589229997Sken /* Company ID */ 0x5000ED5000000000ULL | 1590229997Sken /* NL-Port */ 0x3000 | 1591268677Smav /* Port Num */ (bus_softc->port.targ_port & 0xff); 1592229997Sken 1593229997Sken /* 1594229997Sken * This is a bit of an API break/reversal, but if 1595229997Sken * we're doing the random WWNN that's a little 1596229997Sken * different anyway. So record what we're actually 1597229997Sken * using with the frontend code so it's reported 1598229997Sken * accurately. 1599229997Sken */ 1600268683Smav ctl_port_set_wwns(&bus_softc->port, 1601268683Smav true, ccb->knob.xport_specific.fc.wwnn, 1602268683Smav true, ccb->knob.xport_specific.fc.wwpn); 1603229997Sken set_wwnn = 1; 1604229997Sken#else /* RANDOM_WWNN */ 1605229997Sken /* 1606229997Sken * If the user has specified a WWNN/WWPN, send them 1607229997Sken * down to the SIM. Otherwise, record what the SIM 1608229997Sken * has reported. 1609229997Sken */ 1610284586Smav if (bus_softc->port.wwnn != 0 && bus_softc->port.wwnn 1611284586Smav != ccb->knob.xport_specific.fc.wwnn) { 1612229997Sken ccb->knob.xport_specific.fc.wwnn = 1613284586Smav bus_softc->port.wwnn; 1614284586Smav set_wwnn = 1; 1615284586Smav } else { 1616284586Smav ctl_port_set_wwns(&bus_softc->port, 1617284586Smav true, ccb->knob.xport_specific.fc.wwnn, 1618284586Smav false, 0); 1619284586Smav } 1620284586Smav if (bus_softc->port.wwpn != 0 && bus_softc->port.wwpn 1621284586Smav != ccb->knob.xport_specific.fc.wwpn) { 1622229997Sken ccb->knob.xport_specific.fc.wwpn = 1623284586Smav bus_softc->port.wwpn; 1624229997Sken set_wwnn = 1; 1625229997Sken } else { 1626268683Smav ctl_port_set_wwns(&bus_softc->port, 1627284586Smav false, 0, 1628268683Smav true, ccb->knob.xport_specific.fc.wwpn); 1629229997Sken } 1630229997Sken#endif /* RANDOM_WWNN */ 1631229997Sken 1632229997Sken 1633229997Sken if (set_wwnn != 0) { 1634229997Sken printf("%s: %s new WWNN %#jx\n", __func__, 1635229997Sken bus_softc->port_name, 1636229997Sken ccb->knob.xport_specific.fc.wwnn); 1637229997Sken printf("%s: %s new WWPN %#jx\n", __func__, 1638229997Sken bus_softc->port_name, 1639229997Sken ccb->knob.xport_specific.fc.wwpn); 1640229997Sken } 1641229997Sken } else { 1642229997Sken printf("%s: %s has no valid WWNN/WWPN\n", __func__, 1643229997Sken bus_softc->port_name); 1644229997Sken } 1645229997Sken } 1646229997Sken ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 1647229997Sken ccb->knob.xport_specific.valid = KNOB_VALID_ROLE; 1648229997Sken if (set_wwnn != 0) 1649229997Sken ccb->knob.xport_specific.valid |= KNOB_VALID_ADDRESS; 1650229997Sken 1651229997Sken if (online != 0) 1652288713Smav ccb->knob.xport_specific.fc.role |= KNOB_ROLE_TARGET; 1653229997Sken else 1654288713Smav ccb->knob.xport_specific.fc.role &= ~KNOB_ROLE_TARGET; 1655229997Sken 1656229997Sken xpt_action(ccb); 1657229997Sken 1658229997Sken if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1659229997Sken printf("%s: SIM %s (path id %d) target %s failed with " 1660229997Sken "status %#x\n", 1661229997Sken __func__, bus_softc->port_name, bus_softc->path_id, 1662229997Sken (online != 0) ? "enable" : "disable", 1663229997Sken ccb->ccb_h.status); 1664229997Sken } else { 1665229997Sken printf("%s: SIM %s (path id %d) target %s succeeded\n", 1666229997Sken __func__, bus_softc->port_name, bus_softc->path_id, 1667229997Sken (online != 0) ? "enable" : "disable"); 1668229997Sken } 1669229997Sken 1670229997Sken xpt_free_path(path); 1671275882Smav xpt_free_ccb(ccb); 1672229997Sken} 1673229997Sken 1674229997Skenstatic void 1675229997Skenctlfe_online(void *arg) 1676229997Sken{ 1677245228Sken struct ctlfe_softc *bus_softc; 1678245228Sken struct cam_path *path; 1679245228Sken cam_status status; 1680245228Sken struct ctlfe_lun_softc *lun_softc; 1681274388Smav struct cam_periph *periph; 1682245228Sken 1683245228Sken bus_softc = (struct ctlfe_softc *)arg; 1684245228Sken 1685245228Sken /* 1686245228Sken * Create the wildcard LUN before bringing the port online. 1687245228Sken */ 1688245228Sken status = xpt_create_path(&path, /*periph*/ NULL, 1689245228Sken bus_softc->path_id, CAM_TARGET_WILDCARD, 1690245228Sken CAM_LUN_WILDCARD); 1691245228Sken if (status != CAM_REQ_CMP) { 1692245228Sken printf("%s: unable to create path for wildcard periph\n", 1693245228Sken __func__); 1694245228Sken return; 1695245228Sken } 1696245228Sken 1697275882Smav lun_softc = malloc(sizeof(*lun_softc), M_CTLFE, M_WAITOK | M_ZERO); 1698245228Sken 1699260387Sscottl xpt_path_lock(path); 1700274388Smav periph = cam_periph_find(path, "ctl"); 1701274388Smav if (periph != NULL) { 1702274388Smav /* We've already got a periph, no need to alloc a new one. */ 1703274388Smav xpt_path_unlock(path); 1704274388Smav xpt_free_path(path); 1705274388Smav free(lun_softc, M_CTLFE); 1706274388Smav return; 1707274388Smav } 1708245228Sken lun_softc->parent_softc = bus_softc; 1709245228Sken lun_softc->flags |= CTLFE_LUN_WILDCARD; 1710245228Sken 1711245228Sken status = cam_periph_alloc(ctlferegister, 1712245228Sken ctlfeoninvalidate, 1713245228Sken ctlfecleanup, 1714245228Sken ctlfestart, 1715245228Sken "ctl", 1716245228Sken CAM_PERIPH_BIO, 1717245228Sken path, 1718245228Sken ctlfeasync, 1719245228Sken 0, 1720245228Sken lun_softc); 1721245228Sken 1722245228Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1723245228Sken const struct cam_status_entry *entry; 1724245228Sken 1725245228Sken entry = cam_fetch_status_entry(status); 1726245228Sken printf("%s: CAM error %s (%#x) returned from " 1727245228Sken "cam_periph_alloc()\n", __func__, (entry != NULL) ? 1728245228Sken entry->status_text : "Unknown", status); 1729274388Smav free(lun_softc, M_CTLFE); 1730245228Sken } 1731245228Sken 1732260387Sscottl xpt_path_unlock(path); 1733275882Smav ctlfe_onoffline(arg, /*online*/ 1); 1734260387Sscottl xpt_free_path(path); 1735229997Sken} 1736229997Sken 1737229997Skenstatic void 1738229997Skenctlfe_offline(void *arg) 1739229997Sken{ 1740245228Sken struct ctlfe_softc *bus_softc; 1741245228Sken struct cam_path *path; 1742245228Sken cam_status status; 1743245228Sken struct cam_periph *periph; 1744245228Sken 1745245228Sken bus_softc = (struct ctlfe_softc *)arg; 1746245228Sken 1747275882Smav ctlfe_onoffline(arg, /*online*/ 0); 1748275882Smav 1749245228Sken /* 1750245228Sken * Disable the wildcard LUN for this port now that we have taken 1751245228Sken * the port offline. 1752245228Sken */ 1753245228Sken status = xpt_create_path(&path, /*periph*/ NULL, 1754245228Sken bus_softc->path_id, CAM_TARGET_WILDCARD, 1755245228Sken CAM_LUN_WILDCARD); 1756245228Sken if (status != CAM_REQ_CMP) { 1757245228Sken printf("%s: unable to create path for wildcard periph\n", 1758245228Sken __func__); 1759245228Sken return; 1760245228Sken } 1761260387Sscottl xpt_path_lock(path); 1762245228Sken if ((periph = cam_periph_find(path, "ctl")) != NULL) 1763245228Sken cam_periph_invalidate(periph); 1764260387Sscottl xpt_path_unlock(path); 1765245228Sken xpt_free_path(path); 1766229997Sken} 1767229997Sken 1768229997Sken/* 1769229997Sken * This will get called to enable a LUN on every bus that is attached to 1770229997Sken * CTL. So we only need to create a path/periph for this particular bus. 1771229997Sken */ 1772229997Skenstatic int 1773284798Smavctlfe_lun_enable(void *arg, int lun_id) 1774229997Sken{ 1775229997Sken struct ctlfe_softc *bus_softc; 1776229997Sken struct ctlfe_lun_softc *softc; 1777229997Sken struct cam_path *path; 1778229997Sken struct cam_periph *periph; 1779229997Sken cam_status status; 1780229997Sken 1781229997Sken bus_softc = (struct ctlfe_softc *)arg; 1782290776Smav if (bus_softc->hba_misc & PIM_EXTLUNS) 1783290776Smav lun_id = CAM_EXTLUN_BYTE_SWIZZLE(ctl_encode_lun(lun_id)); 1784229997Sken 1785260387Sscottl status = xpt_create_path(&path, /*periph*/ NULL, 1786290776Smav bus_softc->path_id, bus_softc->target_id, lun_id); 1787229997Sken /* XXX KDM need some way to return status to CTL here? */ 1788229997Sken if (status != CAM_REQ_CMP) { 1789229997Sken printf("%s: could not create path, status %#x\n", __func__, 1790229997Sken status); 1791229997Sken return (1); 1792229997Sken } 1793229997Sken 1794229997Sken softc = malloc(sizeof(*softc), M_CTLFE, M_WAITOK | M_ZERO); 1795260387Sscottl xpt_path_lock(path); 1796229997Sken periph = cam_periph_find(path, "ctl"); 1797229997Sken if (periph != NULL) { 1798229997Sken /* We've already got a periph, no need to alloc a new one. */ 1799260387Sscottl xpt_path_unlock(path); 1800229997Sken xpt_free_path(path); 1801229997Sken free(softc, M_CTLFE); 1802229997Sken return (0); 1803229997Sken } 1804229997Sken softc->parent_softc = bus_softc; 1805229997Sken 1806229997Sken status = cam_periph_alloc(ctlferegister, 1807229997Sken ctlfeoninvalidate, 1808229997Sken ctlfecleanup, 1809229997Sken ctlfestart, 1810229997Sken "ctl", 1811229997Sken CAM_PERIPH_BIO, 1812229997Sken path, 1813229997Sken ctlfeasync, 1814229997Sken 0, 1815229997Sken softc); 1816229997Sken 1817274388Smav if ((status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1818274388Smav const struct cam_status_entry *entry; 1819274388Smav 1820274388Smav entry = cam_fetch_status_entry(status); 1821274388Smav printf("%s: CAM error %s (%#x) returned from " 1822274388Smav "cam_periph_alloc()\n", __func__, (entry != NULL) ? 1823274388Smav entry->status_text : "Unknown", status); 1824274388Smav free(softc, M_CTLFE); 1825274388Smav } 1826274388Smav 1827260387Sscottl xpt_path_unlock(path); 1828244016Sken xpt_free_path(path); 1829229997Sken return (0); 1830229997Sken} 1831229997Sken 1832229997Sken/* 1833245228Sken * This will get called when the user removes a LUN to disable that LUN 1834245228Sken * on every bus that is attached to CTL. 1835229997Sken */ 1836229997Skenstatic int 1837284798Smavctlfe_lun_disable(void *arg, int lun_id) 1838229997Sken{ 1839229997Sken struct ctlfe_softc *softc; 1840229997Sken struct ctlfe_lun_softc *lun_softc; 1841229997Sken 1842229997Sken softc = (struct ctlfe_softc *)arg; 1843290776Smav if (softc->hba_misc & PIM_EXTLUNS) 1844290776Smav lun_id = CAM_EXTLUN_BYTE_SWIZZLE(ctl_encode_lun(lun_id)); 1845229997Sken 1846260387Sscottl mtx_lock(&softc->lun_softc_mtx); 1847229997Sken STAILQ_FOREACH(lun_softc, &softc->lun_softc_list, links) { 1848229997Sken struct cam_path *path; 1849229997Sken 1850229997Sken path = lun_softc->periph->path; 1851229997Sken 1852290172Smav if ((xpt_path_target_id(path) == softc->target_id) 1853229997Sken && (xpt_path_lun_id(path) == lun_id)) { 1854229997Sken break; 1855229997Sken } 1856229997Sken } 1857229997Sken if (lun_softc == NULL) { 1858260387Sscottl mtx_unlock(&softc->lun_softc_mtx); 1859284798Smav printf("%s: can't find lun %d\n", __func__, lun_id); 1860229997Sken return (1); 1861229997Sken } 1862260387Sscottl cam_periph_acquire(lun_softc->periph); 1863260387Sscottl mtx_unlock(&softc->lun_softc_mtx); 1864229997Sken 1865260387Sscottl cam_periph_lock(lun_softc->periph); 1866229997Sken cam_periph_invalidate(lun_softc->periph); 1867260387Sscottl cam_periph_unlock(lun_softc->periph); 1868260387Sscottl cam_periph_release(lun_softc->periph); 1869229997Sken return (0); 1870229997Sken} 1871229997Sken 1872229997Skenstatic void 1873229997Skenctlfe_dump_sim(struct cam_sim *sim) 1874229997Sken{ 1875229997Sken 1876229997Sken printf("%s%d: max tagged openings: %d, max dev openings: %d\n", 1877229997Sken sim->sim_name, sim->unit_number, 1878229997Sken sim->max_tagged_dev_openings, sim->max_dev_openings); 1879229997Sken} 1880229997Sken 1881229997Sken/* 1882229997Sken * Assumes that the SIM lock is held. 1883229997Sken */ 1884229997Skenstatic void 1885229997Skenctlfe_dump_queue(struct ctlfe_lun_softc *softc) 1886229997Sken{ 1887229997Sken struct ccb_hdr *hdr; 1888229997Sken struct cam_periph *periph; 1889229997Sken int num_items; 1890229997Sken 1891229997Sken periph = softc->periph; 1892229997Sken num_items = 0; 1893229997Sken 1894229997Sken TAILQ_FOREACH(hdr, &softc->work_queue, periph_links.tqe) { 1895275880Smav union ctl_io *io = hdr->io_ptr; 1896229997Sken 1897229997Sken num_items++; 1898229997Sken 1899229997Sken /* 1900229997Sken * Only regular SCSI I/O is put on the work 1901229997Sken * queue, so we can print sense here. There may be no 1902229997Sken * sense if it's no the queue for a DMA, but this serves to 1903229997Sken * print out the CCB as well. 1904229997Sken * 1905229997Sken * XXX KDM switch this over to scsi_sense_print() when 1906229997Sken * CTL is merged in with CAM. 1907229997Sken */ 1908229997Sken ctl_io_error_print(io, NULL); 1909229997Sken 1910229997Sken /* 1911275880Smav * Print DMA status if we are DMA_QUEUED. 1912229997Sken */ 1913275880Smav if (io->io_hdr.flags & CTL_FLAG_DMA_QUEUED) { 1914275880Smav xpt_print(periph->path, 1915275880Smav "Total %u, Current %u, Resid %u\n", 1916275880Smav io->scsiio.kern_total_len, 1917275880Smav io->scsiio.kern_data_len, 1918275880Smav io->scsiio.kern_data_resid); 1919275880Smav } 1920229997Sken } 1921229997Sken 1922229997Sken xpt_print(periph->path, "%d requests total waiting for CCBs\n", 1923229997Sken num_items); 1924250460Seadler xpt_print(periph->path, "%ju CCBs outstanding (%ju allocated, %ju " 1925229997Sken "freed)\n", (uintmax_t)(softc->ccbs_alloced - 1926229997Sken softc->ccbs_freed), (uintmax_t)softc->ccbs_alloced, 1927229997Sken (uintmax_t)softc->ccbs_freed); 1928229997Sken xpt_print(periph->path, "%ju CTIOs outstanding (%ju sent, %ju " 1929229997Sken "returned\n", (uintmax_t)(softc->ctios_sent - 1930229997Sken softc->ctios_returned), softc->ctios_sent, 1931229997Sken softc->ctios_returned); 1932229997Sken} 1933229997Sken 1934229997Sken/* 1935275880Smav * Datamove/done routine called by CTL. Put ourselves on the queue to 1936275880Smav * receive a CCB from CAM so we can queue the continue I/O request down 1937275880Smav * to the adapter. 1938229997Sken */ 1939229997Skenstatic void 1940275880Smavctlfe_datamove(union ctl_io *io) 1941229997Sken{ 1942275880Smav union ccb *ccb; 1943275880Smav struct cam_periph *periph; 1944229997Sken struct ctlfe_lun_softc *softc; 1945229997Sken 1946275880Smav KASSERT(io->io_hdr.io_type == CTL_IO_SCSI, 1947275880Smav ("Unexpected io_type (%d) in ctlfe_datamove", io->io_hdr.io_type)); 1948229997Sken 1949313365Smav io->scsiio.ext_data_filled = 0; 1950312585Smav ccb = PRIV_CCB(io); 1951275880Smav periph = xpt_path_periph(ccb->ccb_h.path); 1952275880Smav cam_periph_lock(periph); 1953275880Smav softc = (struct ctlfe_lun_softc *)periph->softc; 1954275880Smav io->io_hdr.flags |= CTL_FLAG_DMA_QUEUED; 1955275880Smav if ((io->io_hdr.status & CTL_STATUS_MASK) != CTL_STATUS_NONE) 1956275880Smav io->io_hdr.flags |= CTL_FLAG_STATUS_QUEUED; 1957275880Smav TAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, 1958275880Smav periph_links.tqe); 1959229997Sken xpt_schedule(periph, /*priority*/ 1); 1960275880Smav cam_periph_unlock(periph); 1961229997Sken} 1962229997Sken 1963229997Skenstatic void 1964275880Smavctlfe_done(union ctl_io *io) 1965229997Sken{ 1966229997Sken union ccb *ccb; 1967229997Sken struct cam_periph *periph; 1968229997Sken struct ctlfe_lun_softc *softc; 1969229997Sken 1970312585Smav ccb = PRIV_CCB(io); 1971229997Sken periph = xpt_path_periph(ccb->ccb_h.path); 1972260387Sscottl cam_periph_lock(periph); 1973229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 1974229997Sken 1975229997Sken if (io->io_hdr.io_type == CTL_IO_TASK) { 1976229997Sken /* 1977229997Sken * Send the notify acknowledge down to the SIM, to let it 1978229997Sken * know we processed the task management command. 1979229997Sken */ 1980229997Sken ccb->ccb_h.status = CAM_REQ_INPROG; 1981229997Sken ccb->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE; 1982304417Smav switch (io->taskio.task_status) { 1983304417Smav case CTL_TASK_FUNCTION_COMPLETE: 1984304417Smav ccb->cna2.arg = CAM_RSP_TMF_COMPLETE; 1985304417Smav break; 1986304417Smav case CTL_TASK_FUNCTION_SUCCEEDED: 1987304417Smav ccb->cna2.arg = CAM_RSP_TMF_SUCCEEDED; 1988304417Smav ccb->ccb_h.flags |= CAM_SEND_STATUS; 1989304417Smav break; 1990304417Smav case CTL_TASK_FUNCTION_REJECTED: 1991304417Smav ccb->cna2.arg = CAM_RSP_TMF_REJECTED; 1992304417Smav ccb->ccb_h.flags |= CAM_SEND_STATUS; 1993304417Smav break; 1994304417Smav case CTL_TASK_LUN_DOES_NOT_EXIST: 1995304417Smav ccb->cna2.arg = CAM_RSP_TMF_INCORRECT_LUN; 1996304417Smav ccb->ccb_h.flags |= CAM_SEND_STATUS; 1997304417Smav break; 1998304417Smav case CTL_TASK_FUNCTION_NOT_SUPPORTED: 1999304417Smav ccb->cna2.arg = CAM_RSP_TMF_FAILED; 2000304417Smav ccb->ccb_h.flags |= CAM_SEND_STATUS; 2001304417Smav break; 2002304417Smav } 2003304417Smav ccb->cna2.arg |= scsi_3btoul(io->taskio.task_resp) << 8; 2004229997Sken xpt_action(ccb); 2005275881Smav } else if (io->io_hdr.flags & CTL_FLAG_STATUS_SENT) { 2006275881Smav if (softc->flags & CTLFE_LUN_WILDCARD) { 2007275881Smav ccb->ccb_h.target_id = CAM_TARGET_WILDCARD; 2008275881Smav ccb->ccb_h.target_lun = CAM_LUN_WILDCARD; 2009275881Smav } 2010275881Smav if (periph->flags & CAM_PERIPH_INVALID) { 2011275881Smav ctlfe_free_ccb(periph, ccb); 2012275881Smav } else { 2013275881Smav cam_periph_unlock(periph); 2014275881Smav xpt_action(ccb); 2015275881Smav return; 2016275881Smav } 2017229997Sken } else { 2018275880Smav io->io_hdr.flags |= CTL_FLAG_STATUS_QUEUED; 2019229997Sken TAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, 2020229997Sken periph_links.tqe); 2021275880Smav xpt_schedule(periph, /*priority*/ 1); 2022229997Sken } 2023229997Sken 2024260387Sscottl cam_periph_unlock(periph); 2025229997Sken} 2026229997Sken 2027229997Skenstatic void 2028229997Skenctlfe_dump(void) 2029229997Sken{ 2030229997Sken struct ctlfe_softc *bus_softc; 2031275880Smav struct ctlfe_lun_softc *lun_softc; 2032229997Sken 2033229997Sken STAILQ_FOREACH(bus_softc, &ctlfe_softc_list, links) { 2034229997Sken ctlfe_dump_sim(bus_softc->sim); 2035275880Smav STAILQ_FOREACH(lun_softc, &bus_softc->lun_softc_list, links) 2036229997Sken ctlfe_dump_queue(lun_softc); 2037229997Sken } 2038229997Sken} 2039