scsi_ctl.c revision 312845
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 312845 2017-01-26 21:07:46Z 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 191229997Skenint ctlfeinitialize(void); 192229997Skenvoid 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 230229997Skenvoid 231229997Skenctlfeshutdown(void) 232229997Sken{ 233229997Sken return; 234229997Sken} 235229997Sken 236268677Smavint 237268677Smavctlfeinitialize(void) 238229997Sken{ 239229997Sken 240229997Sken STAILQ_INIT(&ctlfe_softc_list); 241229997Sken mtx_init(&ctlfe_list_mtx, ctlfe_mtx_desc, NULL, MTX_DEF); 242268677Smav periphdriver_register(&ctlfe_driver); 243268677Smav return (0); 244268677Smav} 245229997Sken 246268677Smavvoid 247268677Smavctlfeperiphinit(void) 248268677Smav{ 249268677Smav cam_status status; 250229997Sken 251229997Sken status = xpt_register_async(AC_PATH_REGISTERED | AC_PATH_DEREGISTERED | 252229997Sken AC_CONTRACT, ctlfeasync, NULL, NULL); 253229997Sken if (status != CAM_REQ_CMP) { 254229997Sken printf("ctl: Failed to attach async callback due to CAM " 255229997Sken "status 0x%x!\n", status); 256229997Sken } 257229997Sken} 258229997Sken 259229997Skenstatic void 260229997Skenctlfeasync(void *callback_arg, uint32_t code, struct cam_path *path, void *arg) 261229997Sken{ 262273317Smav struct ctlfe_softc *softc; 263229997Sken 264229997Sken#ifdef CTLFEDEBUG 265229997Sken printf("%s: entered\n", __func__); 266229997Sken#endif 267229997Sken 268273317Smav mtx_lock(&ctlfe_list_mtx); 269273317Smav STAILQ_FOREACH(softc, &ctlfe_softc_list, links) { 270273317Smav if (softc->path_id == xpt_path_path_id(path)) 271273317Smav break; 272273317Smav } 273273317Smav mtx_unlock(&ctlfe_list_mtx); 274273317Smav 275229997Sken /* 276229997Sken * When a new path gets registered, and it is capable of target 277229997Sken * mode, go ahead and attach. Later on, we may need to be more 278229997Sken * selective, but for now this will be sufficient. 279229997Sken */ 280229997Sken switch (code) { 281229997Sken case AC_PATH_REGISTERED: { 282268677Smav struct ctl_port *port; 283229997Sken struct ccb_pathinq *cpi; 284229997Sken int retval; 285229997Sken 286229997Sken cpi = (struct ccb_pathinq *)arg; 287229997Sken 288229997Sken /* Don't attach if it doesn't support target mode */ 289229997Sken if ((cpi->target_sprt & PIT_PROCESSOR) == 0) { 290230033Sken#ifdef CTLFEDEBUG 291229997Sken printf("%s: SIM %s%d doesn't support target mode\n", 292229997Sken __func__, cpi->dev_name, cpi->unit_number); 293230033Sken#endif 294229997Sken break; 295229997Sken } 296229997Sken 297273317Smav if (softc != NULL) { 298273317Smav#ifdef CTLFEDEBUG 299273317Smav printf("%s: CTL port for CAM path %u already exists\n", 300273317Smav __func__, xpt_path_path_id(path)); 301273317Smav#endif 302273317Smav break; 303273317Smav } 304273317Smav 305229997Sken#ifdef CTLFE_INIT_ENABLE 306229997Sken if (ctlfe_num_targets >= ctlfe_max_targets) { 307229997Sken union ccb *ccb; 308229997Sken 309229997Sken ccb = (union ccb *)malloc(sizeof(*ccb), M_TEMP, 310229997Sken M_NOWAIT | M_ZERO); 311229997Sken if (ccb == NULL) { 312229997Sken printf("%s: unable to malloc CCB!\n", __func__); 313229997Sken return; 314229997Sken } 315260387Sscottl xpt_setup_ccb(&ccb->ccb_h, path, CAM_PRIORITY_NONE); 316229997Sken 317229997Sken ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 318229997Sken ccb->knob.xport_specific.valid = KNOB_VALID_ROLE; 319229997Sken ccb->knob.xport_specific.fc.role = KNOB_ROLE_INITIATOR; 320229997Sken 321229997Sken xpt_action(ccb); 322229997Sken 323229997Sken if ((ccb->ccb_h.status & CAM_STATUS_MASK) != 324229997Sken CAM_REQ_CMP) { 325229997Sken printf("%s: SIM %s%d (path id %d) initiator " 326229997Sken "enable failed with status %#x\n", 327229997Sken __func__, cpi->dev_name, 328229997Sken cpi->unit_number, cpi->ccb_h.path_id, 329229997Sken ccb->ccb_h.status); 330229997Sken } else { 331229997Sken printf("%s: SIM %s%d (path id %d) initiator " 332229997Sken "enable succeeded\n", 333229997Sken __func__, cpi->dev_name, 334229997Sken cpi->unit_number, cpi->ccb_h.path_id); 335229997Sken } 336229997Sken 337229997Sken free(ccb, M_TEMP); 338229997Sken 339229997Sken break; 340229997Sken } else { 341229997Sken ctlfe_num_targets++; 342229997Sken } 343229997Sken 344229997Sken printf("%s: ctlfe_num_targets = %d\n", __func__, 345229997Sken ctlfe_num_targets); 346229997Sken#endif /* CTLFE_INIT_ENABLE */ 347229997Sken 348229997Sken /* 349229997Sken * We're in an interrupt context here, so we have to 350229997Sken * use M_NOWAIT. Of course this means trouble if we 351229997Sken * can't allocate memory. 352229997Sken */ 353273317Smav softc = malloc(sizeof(*softc), M_CTLFE, M_NOWAIT | M_ZERO); 354273317Smav if (softc == NULL) { 355229997Sken printf("%s: unable to malloc %zd bytes for softc\n", 356273317Smav __func__, sizeof(*softc)); 357229997Sken return; 358229997Sken } 359229997Sken 360273317Smav softc->path_id = cpi->ccb_h.path_id; 361288713Smav softc->target_id = cpi->initiator_id; 362273317Smav softc->sim = xpt_path_sim(path); 363290776Smav softc->hba_misc = cpi->hba_misc; 364265641Smav if (cpi->maxio != 0) 365273317Smav softc->maxio = cpi->maxio; 366265641Smav else 367273317Smav softc->maxio = DFLTPHYS; 368273317Smav mtx_init(&softc->lun_softc_mtx, "LUN softc mtx", NULL, MTX_DEF); 369273317Smav STAILQ_INIT(&softc->lun_softc_list); 370229997Sken 371273317Smav port = &softc->port; 372268677Smav port->frontend = &ctlfe_frontend; 373229997Sken 374229997Sken /* 375229997Sken * XXX KDM should we be more accurate here ? 376229997Sken */ 377229997Sken if (cpi->transport == XPORT_FC) 378268677Smav port->port_type = CTL_PORT_FC; 379268694Smav else if (cpi->transport == XPORT_SAS) 380268694Smav port->port_type = CTL_PORT_SAS; 381229997Sken else 382268677Smav port->port_type = CTL_PORT_SCSI; 383229997Sken 384229997Sken /* XXX KDM what should the real number be here? */ 385268677Smav port->num_requested_ctl_io = 4096; 386273317Smav snprintf(softc->port_name, sizeof(softc->port_name), 387229997Sken "%s%d", cpi->dev_name, cpi->unit_number); 388229997Sken /* 389229997Sken * XXX KDM it would be nice to allocate storage in the 390229997Sken * frontend structure itself. 391229997Sken */ 392273317Smav port->port_name = softc->port_name; 393273319Smav port->physical_port = cpi->bus_id; 394273319Smav port->virtual_port = 0; 395268677Smav port->port_online = ctlfe_online; 396268677Smav port->port_offline = ctlfe_offline; 397273317Smav port->onoff_arg = softc; 398268677Smav port->lun_enable = ctlfe_lun_enable; 399268677Smav port->lun_disable = ctlfe_lun_disable; 400273317Smav port->targ_lun_arg = softc; 401275880Smav port->fe_datamove = ctlfe_datamove; 402275880Smav port->fe_done = ctlfe_done; 403229997Sken /* 404229997Sken * XXX KDM the path inquiry doesn't give us the maximum 405229997Sken * number of targets supported. 406229997Sken */ 407268677Smav port->max_targets = cpi->max_target; 408268677Smav port->max_target_id = cpi->max_target; 409288732Smav port->targ_port = -1; 410229997Sken 411229997Sken /* 412229997Sken * XXX KDM need to figure out whether we're the master or 413229997Sken * slave. 414229997Sken */ 415230033Sken#ifdef CTLFEDEBUG 416268677Smav printf("%s: calling ctl_port_register() for %s%d\n", 417229997Sken __func__, cpi->dev_name, cpi->unit_number); 418230033Sken#endif 419275493Smav retval = ctl_port_register(port); 420229997Sken if (retval != 0) { 421268677Smav printf("%s: ctl_port_register() failed with " 422229997Sken "error %d!\n", __func__, retval); 423273317Smav mtx_destroy(&softc->lun_softc_mtx); 424273317Smav free(softc, M_CTLFE); 425229997Sken break; 426229997Sken } else { 427229997Sken mtx_lock(&ctlfe_list_mtx); 428273317Smav STAILQ_INSERT_TAIL(&ctlfe_softc_list, softc, links); 429229997Sken mtx_unlock(&ctlfe_list_mtx); 430229997Sken } 431229997Sken 432245228Sken break; 433245228Sken } 434245228Sken case AC_PATH_DEREGISTERED: { 435245228Sken 436245228Sken if (softc != NULL) { 437245228Sken /* 438245228Sken * XXX KDM are we certain at this point that there 439245228Sken * are no outstanding commands for this frontend? 440245228Sken */ 441273317Smav mtx_lock(&ctlfe_list_mtx); 442273317Smav STAILQ_REMOVE(&ctlfe_softc_list, softc, ctlfe_softc, 443273317Smav links); 444273317Smav mtx_unlock(&ctlfe_list_mtx); 445268677Smav ctl_port_deregister(&softc->port); 446260387Sscottl mtx_destroy(&softc->lun_softc_mtx); 447245228Sken free(softc, M_CTLFE); 448229997Sken } 449229997Sken break; 450229997Sken } 451229997Sken case AC_CONTRACT: { 452229997Sken struct ac_contract *ac; 453229997Sken 454229997Sken ac = (struct ac_contract *)arg; 455229997Sken 456229997Sken switch (ac->contract_number) { 457229997Sken case AC_CONTRACT_DEV_CHG: { 458229997Sken struct ac_device_changed *dev_chg; 459273317Smav int retval; 460229997Sken 461229997Sken dev_chg = (struct ac_device_changed *)ac->contract_data; 462229997Sken 463236426Smjacob printf("%s: WWPN %#jx port 0x%06x path %u target %u %s\n", 464229997Sken __func__, dev_chg->wwpn, dev_chg->port, 465229997Sken xpt_path_path_id(path), dev_chg->target, 466229997Sken (dev_chg->arrived == 0) ? "left" : "arrived"); 467229997Sken 468273317Smav if (softc == NULL) { 469229997Sken printf("%s: CTL port for CAM path %u not " 470229997Sken "found!\n", __func__, 471229997Sken xpt_path_path_id(path)); 472229997Sken break; 473229997Sken } 474229997Sken if (dev_chg->arrived != 0) { 475268692Smav retval = ctl_add_initiator(&softc->port, 476268692Smav dev_chg->target, dev_chg->wwpn, NULL); 477229997Sken } else { 478268692Smav retval = ctl_remove_initiator(&softc->port, 479268692Smav dev_chg->target); 480229997Sken } 481229997Sken 482268692Smav if (retval < 0) { 483229997Sken printf("%s: could not %s port %d iid %u " 484229997Sken "WWPN %#jx!\n", __func__, 485229997Sken (dev_chg->arrived != 0) ? "add" : 486268677Smav "remove", softc->port.targ_port, 487229997Sken dev_chg->target, 488229997Sken (uintmax_t)dev_chg->wwpn); 489229997Sken } 490229997Sken break; 491229997Sken } 492229997Sken default: 493229997Sken printf("%s: unsupported contract number %ju\n", 494229997Sken __func__, (uintmax_t)ac->contract_number); 495229997Sken break; 496229997Sken } 497229997Sken break; 498229997Sken } 499229997Sken default: 500229997Sken break; 501229997Sken } 502229997Sken} 503229997Sken 504229997Skenstatic cam_status 505229997Skenctlferegister(struct cam_periph *periph, void *arg) 506229997Sken{ 507229997Sken struct ctlfe_softc *bus_softc; 508229997Sken struct ctlfe_lun_softc *softc; 509229997Sken union ccb en_lun_ccb; 510229997Sken cam_status status; 511229997Sken int i; 512229997Sken 513229997Sken softc = (struct ctlfe_lun_softc *)arg; 514229997Sken bus_softc = softc->parent_softc; 515229997Sken 516229997Sken TAILQ_INIT(&softc->work_queue); 517229997Sken softc->periph = periph; 518229997Sken periph->softc = softc; 519229997Sken 520242174Smav xpt_setup_ccb(&en_lun_ccb.ccb_h, periph->path, CAM_PRIORITY_NONE); 521229997Sken en_lun_ccb.ccb_h.func_code = XPT_EN_LUN; 522229997Sken en_lun_ccb.cel.grp6_len = 0; 523229997Sken en_lun_ccb.cel.grp7_len = 0; 524229997Sken en_lun_ccb.cel.enable = 1; 525229997Sken xpt_action(&en_lun_ccb); 526229997Sken status = (en_lun_ccb.ccb_h.status & CAM_STATUS_MASK); 527229997Sken if (status != CAM_REQ_CMP) { 528229997Sken xpt_print(periph->path, "%s: Enable LUN failed, status 0x%x\n", 529229997Sken __func__, en_lun_ccb.ccb_h.status); 530229997Sken return (status); 531229997Sken } 532229997Sken 533229997Sken status = CAM_REQ_CMP; 534229997Sken 535229997Sken for (i = 0; i < CTLFE_ATIO_PER_LUN; i++) { 536229997Sken union ccb *new_ccb; 537275878Smav union ctl_io *new_io; 538288723Smav struct ctlfe_cmd_info *cmd_info; 539229997Sken 540229997Sken new_ccb = (union ccb *)malloc(sizeof(*new_ccb), M_CTLFE, 541236426Smjacob M_ZERO|M_NOWAIT); 542229997Sken if (new_ccb == NULL) { 543229997Sken status = CAM_RESRC_UNAVAIL; 544229997Sken break; 545229997Sken } 546275878Smav new_io = ctl_alloc_io_nowait(bus_softc->port.ctl_pool_ref); 547275878Smav if (new_io == NULL) { 548275878Smav free(new_ccb, M_CTLFE); 549275878Smav status = CAM_RESRC_UNAVAIL; 550275878Smav break; 551275878Smav } 552288723Smav cmd_info = malloc(sizeof(*cmd_info), M_CTLFE, 553288723Smav M_ZERO | M_NOWAIT); 554288723Smav if (cmd_info == NULL) { 555288723Smav ctl_free_io(new_io); 556288723Smav free(new_ccb, M_CTLFE); 557288723Smav status = CAM_RESRC_UNAVAIL; 558288723Smav break; 559288723Smav } 560312585Smav PRIV_INFO(new_io) = cmd_info; 561284793Smav softc->atios_alloced++; 562275878Smav new_ccb->ccb_h.io_ptr = new_io; 563275878Smav 564229997Sken xpt_setup_ccb(&new_ccb->ccb_h, periph->path, /*priority*/ 1); 565229997Sken new_ccb->ccb_h.func_code = XPT_ACCEPT_TARGET_IO; 566229997Sken new_ccb->ccb_h.cbfcnp = ctlfedone; 567260387Sscottl new_ccb->ccb_h.flags |= CAM_UNLOCKED; 568229997Sken xpt_action(new_ccb); 569229997Sken status = new_ccb->ccb_h.status; 570229997Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 571288723Smav free(cmd_info, M_CTLFE); 572275878Smav ctl_free_io(new_io); 573229997Sken free(new_ccb, M_CTLFE); 574229997Sken break; 575229997Sken } 576229997Sken } 577229997Sken 578229997Sken status = cam_periph_acquire(periph); 579229997Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 580229997Sken xpt_print(periph->path, "%s: could not acquire reference " 581229997Sken "count, status = %#x\n", __func__, status); 582229997Sken return (status); 583229997Sken } 584229997Sken 585229997Sken if (i == 0) { 586229997Sken xpt_print(periph->path, "%s: could not allocate ATIO CCBs, " 587229997Sken "status 0x%x\n", __func__, status); 588229997Sken return (CAM_REQ_CMP_ERR); 589229997Sken } 590229997Sken 591229997Sken for (i = 0; i < CTLFE_IN_PER_LUN; i++) { 592229997Sken union ccb *new_ccb; 593275878Smav union ctl_io *new_io; 594229997Sken 595229997Sken new_ccb = (union ccb *)malloc(sizeof(*new_ccb), M_CTLFE, 596236426Smjacob M_ZERO|M_NOWAIT); 597229997Sken if (new_ccb == NULL) { 598229997Sken status = CAM_RESRC_UNAVAIL; 599229997Sken break; 600229997Sken } 601275878Smav new_io = ctl_alloc_io_nowait(bus_softc->port.ctl_pool_ref); 602275878Smav if (new_io == NULL) { 603275878Smav free(new_ccb, M_CTLFE); 604275878Smav status = CAM_RESRC_UNAVAIL; 605275878Smav break; 606275878Smav } 607284793Smav softc->inots_alloced++; 608275878Smav new_ccb->ccb_h.io_ptr = new_io; 609229997Sken 610229997Sken xpt_setup_ccb(&new_ccb->ccb_h, periph->path, /*priority*/ 1); 611229997Sken new_ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 612229997Sken new_ccb->ccb_h.cbfcnp = ctlfedone; 613260387Sscottl new_ccb->ccb_h.flags |= CAM_UNLOCKED; 614229997Sken xpt_action(new_ccb); 615229997Sken status = new_ccb->ccb_h.status; 616237601Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { 617237601Sken /* 618237601Sken * Note that we don't free the CCB here. If the 619237601Sken * status is not CAM_REQ_INPROG, then we're 620237601Sken * probably talking to a SIM that says it is 621237601Sken * target-capable but doesn't support the 622237601Sken * XPT_IMMEDIATE_NOTIFY CCB. i.e. it supports the 623237601Sken * older API. In that case, it'll call xpt_done() 624237601Sken * on the CCB, and we need to free it in our done 625237601Sken * routine as a result. 626237601Sken */ 627229997Sken break; 628229997Sken } 629229997Sken } 630237601Sken if ((i == 0) 631237601Sken || (status != CAM_REQ_INPROG)) { 632229997Sken xpt_print(periph->path, "%s: could not allocate immediate " 633229997Sken "notify CCBs, status 0x%x\n", __func__, status); 634229997Sken return (CAM_REQ_CMP_ERR); 635229997Sken } 636275882Smav mtx_lock(&bus_softc->lun_softc_mtx); 637275882Smav STAILQ_INSERT_TAIL(&bus_softc->lun_softc_list, softc, links); 638275882Smav mtx_unlock(&bus_softc->lun_softc_mtx); 639229997Sken return (CAM_REQ_CMP); 640229997Sken} 641229997Sken 642229997Skenstatic void 643229997Skenctlfeoninvalidate(struct cam_periph *periph) 644229997Sken{ 645229997Sken union ccb en_lun_ccb; 646229997Sken cam_status status; 647260387Sscottl struct ctlfe_softc *bus_softc; 648229997Sken struct ctlfe_lun_softc *softc; 649229997Sken 650229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 651229997Sken 652242174Smav xpt_setup_ccb(&en_lun_ccb.ccb_h, periph->path, CAM_PRIORITY_NONE); 653229997Sken en_lun_ccb.ccb_h.func_code = XPT_EN_LUN; 654229997Sken en_lun_ccb.cel.grp6_len = 0; 655229997Sken en_lun_ccb.cel.grp7_len = 0; 656229997Sken en_lun_ccb.cel.enable = 0; 657229997Sken xpt_action(&en_lun_ccb); 658229997Sken status = (en_lun_ccb.ccb_h.status & CAM_STATUS_MASK); 659229997Sken if (status != CAM_REQ_CMP) { 660229997Sken xpt_print(periph->path, "%s: Disable LUN failed, status 0x%x\n", 661229997Sken __func__, en_lun_ccb.ccb_h.status); 662229997Sken /* 663229997Sken * XXX KDM what do we do now? 664229997Sken */ 665229997Sken } 666260387Sscottl 667260387Sscottl bus_softc = softc->parent_softc; 668260387Sscottl mtx_lock(&bus_softc->lun_softc_mtx); 669260387Sscottl STAILQ_REMOVE(&bus_softc->lun_softc_list, softc, ctlfe_lun_softc, links); 670260387Sscottl mtx_unlock(&bus_softc->lun_softc_mtx); 671229997Sken} 672229997Sken 673229997Skenstatic void 674229997Skenctlfecleanup(struct cam_periph *periph) 675229997Sken{ 676229997Sken struct ctlfe_lun_softc *softc; 677229997Sken 678229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 679229997Sken 680284793Smav KASSERT(softc->ccbs_freed == softc->ccbs_alloced, ("%s: " 681284793Smav "ccbs_freed %ju != ccbs_alloced %ju", __func__, 682284793Smav softc->ccbs_freed, softc->ccbs_alloced)); 683284793Smav KASSERT(softc->ctios_returned == softc->ctios_sent, ("%s: " 684284793Smav "ctios_returned %ju != ctios_sent %ju", __func__, 685284793Smav softc->ctios_returned, softc->ctios_sent)); 686284793Smav KASSERT(softc->atios_freed == softc->atios_alloced, ("%s: " 687284793Smav "atios_freed %ju != atios_alloced %ju", __func__, 688284793Smav softc->atios_freed, softc->atios_alloced)); 689284793Smav KASSERT(softc->inots_freed == softc->inots_alloced, ("%s: " 690284793Smav "inots_freed %ju != inots_alloced %ju", __func__, 691284793Smav softc->inots_freed, softc->inots_alloced)); 692245228Sken 693229997Sken free(softc, M_CTLFE); 694229997Sken} 695229997Sken 696229997Skenstatic void 697265641Smavctlfedata(struct ctlfe_lun_softc *softc, union ctl_io *io, 698265641Smav ccb_flags *flags, uint8_t **data_ptr, uint32_t *dxfer_len, 699265641Smav u_int16_t *sglist_cnt) 700265641Smav{ 701265641Smav struct ctlfe_softc *bus_softc; 702288723Smav struct ctlfe_cmd_info *cmd_info; 703265641Smav struct ctl_sg_entry *ctl_sglist; 704265641Smav bus_dma_segment_t *cam_sglist; 705265641Smav size_t off; 706265641Smav int i, idx; 707265641Smav 708312585Smav cmd_info = PRIV_INFO(io); 709265641Smav bus_softc = softc->parent_softc; 710265641Smav 711265641Smav /* 712265641Smav * Set the direction, relative to the initiator. 713265641Smav */ 714265641Smav *flags &= ~CAM_DIR_MASK; 715265641Smav if ((io->io_hdr.flags & CTL_FLAG_DATA_MASK) == CTL_FLAG_DATA_IN) 716265641Smav *flags |= CAM_DIR_IN; 717265641Smav else 718265641Smav *flags |= CAM_DIR_OUT; 719265641Smav 720265641Smav *flags &= ~CAM_DATA_MASK; 721265641Smav idx = cmd_info->cur_transfer_index; 722265641Smav off = cmd_info->cur_transfer_off; 723265641Smav cmd_info->flags &= ~CTLFE_CMD_PIECEWISE; 724265641Smav if (io->scsiio.kern_sg_entries == 0) { 725265641Smav /* No S/G list. */ 726265641Smav *data_ptr = io->scsiio.kern_data_ptr + off; 727265641Smav if (io->scsiio.kern_data_len - off <= bus_softc->maxio) { 728265641Smav *dxfer_len = io->scsiio.kern_data_len - off; 729265641Smav } else { 730265641Smav *dxfer_len = bus_softc->maxio; 731265641Smav cmd_info->cur_transfer_index = -1; 732265641Smav cmd_info->cur_transfer_off = bus_softc->maxio; 733265641Smav cmd_info->flags |= CTLFE_CMD_PIECEWISE; 734265641Smav } 735265641Smav *sglist_cnt = 0; 736265641Smav 737265641Smav if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) 738265641Smav *flags |= CAM_DATA_PADDR; 739265641Smav else 740265641Smav *flags |= CAM_DATA_VADDR; 741265641Smav } else { 742265641Smav /* S/G list with physical or virtual pointers. */ 743265641Smav ctl_sglist = (struct ctl_sg_entry *)io->scsiio.kern_data_ptr; 744265641Smav cam_sglist = cmd_info->cam_sglist; 745265641Smav *dxfer_len = 0; 746265641Smav for (i = 0; i < io->scsiio.kern_sg_entries - idx; i++) { 747265641Smav cam_sglist[i].ds_addr = (bus_addr_t)ctl_sglist[i + idx].addr + off; 748265641Smav if (ctl_sglist[i + idx].len - off <= bus_softc->maxio - *dxfer_len) { 749265641Smav cam_sglist[i].ds_len = ctl_sglist[idx + i].len - off; 750265641Smav *dxfer_len += cam_sglist[i].ds_len; 751265641Smav } else { 752265641Smav cam_sglist[i].ds_len = bus_softc->maxio - *dxfer_len; 753265641Smav cmd_info->cur_transfer_index = idx + i; 754265641Smav cmd_info->cur_transfer_off = cam_sglist[i].ds_len + off; 755265641Smav cmd_info->flags |= CTLFE_CMD_PIECEWISE; 756265641Smav *dxfer_len += cam_sglist[i].ds_len; 757265641Smav if (ctl_sglist[i].len != 0) 758265641Smav i++; 759265641Smav break; 760265641Smav } 761265641Smav if (i == (CTLFE_MAX_SEGS - 1) && 762265641Smav idx + i < (io->scsiio.kern_sg_entries - 1)) { 763265641Smav cmd_info->cur_transfer_index = idx + i + 1; 764265641Smav cmd_info->cur_transfer_off = 0; 765265641Smav cmd_info->flags |= CTLFE_CMD_PIECEWISE; 766265641Smav i++; 767265641Smav break; 768265641Smav } 769265641Smav off = 0; 770265641Smav } 771265641Smav *sglist_cnt = i; 772265641Smav if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) 773265641Smav *flags |= CAM_DATA_SG_PADDR; 774265641Smav else 775265641Smav *flags |= CAM_DATA_SG; 776265641Smav *data_ptr = (uint8_t *)cam_sglist; 777265641Smav } 778265641Smav} 779265641Smav 780265641Smavstatic void 781229997Skenctlfestart(struct cam_periph *periph, union ccb *start_ccb) 782229997Sken{ 783229997Sken struct ctlfe_lun_softc *softc; 784288723Smav struct ctlfe_cmd_info *cmd_info; 785229997Sken struct ccb_hdr *ccb_h; 786275880Smav struct ccb_accept_tio *atio; 787275880Smav struct ccb_scsiio *csio; 788275880Smav uint8_t *data_ptr; 789275880Smav uint32_t dxfer_len; 790275880Smav ccb_flags flags; 791275880Smav union ctl_io *io; 792275880Smav uint8_t scsi_status; 793229997Sken 794229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 795229997Sken softc->ccbs_alloced++; 796229997Sken 797229997Sken ccb_h = TAILQ_FIRST(&softc->work_queue); 798260387Sscottl if (ccb_h == NULL) { 799229997Sken softc->ccbs_freed++; 800229997Sken xpt_release_ccb(start_ccb); 801275880Smav return; 802275880Smav } 803229997Sken 804275880Smav /* Take the ATIO off the work queue */ 805275880Smav TAILQ_REMOVE(&softc->work_queue, ccb_h, periph_links.tqe); 806275880Smav atio = (struct ccb_accept_tio *)ccb_h; 807275880Smav io = (union ctl_io *)ccb_h->io_ptr; 808275880Smav csio = &start_ccb->csio; 809229997Sken 810275880Smav flags = atio->ccb_h.flags & 811275880Smav (CAM_DIS_DISCONNECT|CAM_TAG_ACTION_VALID|CAM_DIR_MASK); 812312585Smav cmd_info = PRIV_INFO(io); 813275881Smav cmd_info->cur_transfer_index = 0; 814275881Smav cmd_info->cur_transfer_off = 0; 815275881Smav cmd_info->flags = 0; 816229997Sken 817275880Smav if (io->io_hdr.flags & CTL_FLAG_DMA_QUEUED) { 818275880Smav /* 819275880Smav * Datamove call, we need to setup the S/G list. 820275880Smav */ 821275880Smav scsi_status = 0; 822275880Smav csio->cdb_len = atio->cdb_len; 823275880Smav ctlfedata(softc, io, &flags, &data_ptr, &dxfer_len, 824275880Smav &csio->sglist_cnt); 825275880Smav io->scsiio.ext_data_filled += dxfer_len; 826275880Smav if (io->scsiio.ext_data_filled > io->scsiio.kern_total_len) { 827275880Smav xpt_print(periph->path, "%s: tag 0x%04x " 828275880Smav "fill len %u > total %u\n", 829275880Smav __func__, io->scsiio.tag_num, 830275880Smav io->scsiio.ext_data_filled, 831275880Smav io->scsiio.kern_total_len); 832275880Smav } 833275880Smav } else { 834275880Smav /* 835275880Smav * We're done, send status back. 836275880Smav */ 837275880Smav if ((io->io_hdr.flags & CTL_FLAG_ABORT) && 838275880Smav (io->io_hdr.flags & CTL_FLAG_ABORT_STATUS) == 0) { 839275880Smav io->io_hdr.flags &= ~CTL_FLAG_STATUS_QUEUED; 840275880Smav 841229997Sken /* 842275880Smav * If this command was aborted, we don't 843275880Smav * need to send status back to the SIM. 844275880Smav * Just free the CTIO and ctl_io, and 845275880Smav * recycle the ATIO back to the SIM. 846229997Sken */ 847275880Smav xpt_print(periph->path, "%s: aborted " 848275880Smav "command 0x%04x discarded\n", 849275880Smav __func__, io->scsiio.tag_num); 850275880Smav /* 851275880Smav * For a wildcard attachment, commands can 852275880Smav * come in with a specific target/lun. Reset 853275880Smav * the target and LUN fields back to the 854275880Smav * wildcard values before we send them back 855275880Smav * down to the SIM. The SIM has a wildcard 856275880Smav * LUN enabled, not whatever target/lun 857275880Smav * these happened to be. 858275880Smav */ 859275880Smav if (softc->flags & CTLFE_LUN_WILDCARD) { 860275880Smav atio->ccb_h.target_id = CAM_TARGET_WILDCARD; 861275880Smav atio->ccb_h.target_lun = CAM_LUN_WILDCARD; 862275880Smav } 863229997Sken 864275880Smav if (atio->ccb_h.func_code != XPT_ACCEPT_TARGET_IO) { 865275880Smav xpt_print(periph->path, "%s: func_code " 866275880Smav "is %#x\n", __func__, 867275880Smav atio->ccb_h.func_code); 868275880Smav } 869275880Smav start_ccb->ccb_h.func_code = XPT_ABORT; 870275880Smav start_ccb->cab.abort_ccb = (union ccb *)atio; 871229997Sken 872275880Smav /* Tell the SIM that we've aborted this ATIO */ 873275880Smav xpt_action(start_ccb); 874275880Smav softc->ccbs_freed++; 875275880Smav xpt_release_ccb(start_ccb); 876229997Sken 877229997Sken /* 878275880Smav * Send the ATIO back down to the SIM. 879229997Sken */ 880275880Smav xpt_action((union ccb *)atio); 881229997Sken 882229997Sken /* 883275880Smav * If we still have work to do, ask for 884275880Smav * another CCB. Otherwise, deactivate our 885275880Smav * callout. 886229997Sken */ 887275880Smav if (!TAILQ_EMPTY(&softc->work_queue)) 888275880Smav xpt_schedule(periph, /*priority*/ 1); 889275880Smav return; 890275880Smav } 891275881Smav data_ptr = NULL; 892275881Smav dxfer_len = 0; 893275881Smav csio->sglist_cnt = 0; 894275881Smav scsi_status = 0; 895275881Smav } 896275881Smav if ((io->io_hdr.flags & CTL_FLAG_STATUS_QUEUED) && 897275881Smav (cmd_info->flags & CTLFE_CMD_PIECEWISE) == 0 && 898275881Smav ((io->io_hdr.flags & CTL_FLAG_DMA_QUEUED) == 0 || 899275881Smav io->io_hdr.status == CTL_SUCCESS)) { 900275880Smav flags |= CAM_SEND_STATUS; 901275880Smav scsi_status = io->scsiio.scsi_status; 902275880Smav csio->sense_len = io->scsiio.sense_len; 903275880Smav#ifdef CTLFEDEBUG 904275880Smav printf("%s: tag %04x status %x\n", __func__, 905275880Smav atio->tag_id, io->io_hdr.status); 906275880Smav#endif 907275880Smav if (csio->sense_len != 0) { 908275880Smav csio->sense_data = io->scsiio.sense_data; 909275880Smav flags |= CAM_SEND_SENSE; 910275880Smav } else if (scsi_status == SCSI_STATUS_CHECK_COND) { 911275880Smav xpt_print(periph->path, "%s: check condition " 912275880Smav "with no sense\n", __func__); 913229997Sken } 914275880Smav } 915229997Sken 916229997Sken#ifdef CTLFEDEBUG 917275880Smav printf("%s: %s: tag %04x flags %x ptr %p len %u\n", __func__, 918275880Smav (flags & CAM_SEND_STATUS) ? "done" : "datamove", 919275880Smav atio->tag_id, flags, data_ptr, dxfer_len); 920229997Sken#endif 921229997Sken 922275880Smav /* 923275880Smav * Valid combinations: 924275880Smav * - CAM_SEND_STATUS, CAM_DATA_SG = 0, dxfer_len = 0, 925275880Smav * sglist_cnt = 0 926275880Smav * - CAM_SEND_STATUS = 0, CAM_DATA_SG = 0, dxfer_len != 0, 927275880Smav * sglist_cnt = 0 928275880Smav * - CAM_SEND_STATUS = 0, CAM_DATA_SG, dxfer_len != 0, 929275880Smav * sglist_cnt != 0 930275880Smav */ 931229997Sken#ifdef CTLFEDEBUG 932275880Smav if (((flags & CAM_SEND_STATUS) 933275880Smav && (((flags & CAM_DATA_SG) != 0) 934275880Smav || (dxfer_len != 0) 935275880Smav || (csio->sglist_cnt != 0))) 936275880Smav || (((flags & CAM_SEND_STATUS) == 0) 937275880Smav && (dxfer_len == 0)) 938275880Smav || ((flags & CAM_DATA_SG) 939275880Smav && (csio->sglist_cnt == 0)) 940275880Smav || (((flags & CAM_DATA_SG) == 0) 941275880Smav && (csio->sglist_cnt != 0))) { 942275880Smav printf("%s: tag %04x cdb %02x flags %#x dxfer_len " 943275880Smav "%d sg %u\n", __func__, atio->tag_id, 944312845Smav atio_cdb_ptr(atio)[0], flags, dxfer_len, 945275880Smav csio->sglist_cnt); 946275880Smav printf("%s: tag %04x io status %#x\n", __func__, 947275880Smav atio->tag_id, io->io_hdr.status); 948275880Smav } 949229997Sken#endif 950275880Smav cam_fill_ctio(csio, 951275880Smav /*retries*/ 2, 952275880Smav ctlfedone, 953275880Smav flags, 954275880Smav (flags & CAM_TAG_ACTION_VALID) ? MSG_SIMPLE_Q_TAG : 0, 955275880Smav atio->tag_id, 956275880Smav atio->init_id, 957275880Smav scsi_status, 958275880Smav /*data_ptr*/ data_ptr, 959275880Smav /*dxfer_len*/ dxfer_len, 960275880Smav /*timeout*/ 5 * 1000); 961275880Smav start_ccb->ccb_h.flags |= CAM_UNLOCKED; 962275880Smav start_ccb->ccb_h.ccb_atio = atio; 963275880Smav if (io->io_hdr.flags & CTL_FLAG_DMA_QUEUED) 964275880Smav io->io_hdr.flags |= CTL_FLAG_DMA_INPROG; 965275880Smav io->io_hdr.flags &= ~(CTL_FLAG_DMA_QUEUED | CTL_FLAG_STATUS_QUEUED); 966229997Sken 967275880Smav softc->ctios_sent++; 968229997Sken 969275880Smav cam_periph_unlock(periph); 970275880Smav xpt_action(start_ccb); 971275880Smav cam_periph_lock(periph); 972229997Sken 973229997Sken /* 974275880Smav * If we still have work to do, ask for another CCB. 975229997Sken */ 976275880Smav if (!TAILQ_EMPTY(&softc->work_queue)) 977229997Sken xpt_schedule(periph, /*priority*/ 1); 978229997Sken} 979229997Sken 980229997Skenstatic void 981229997Skenctlfe_free_ccb(struct cam_periph *periph, union ccb *ccb) 982229997Sken{ 983229997Sken struct ctlfe_lun_softc *softc; 984288723Smav union ctl_io *io; 985288723Smav struct ctlfe_cmd_info *cmd_info; 986229997Sken 987229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 988288723Smav io = ccb->ccb_h.io_ptr; 989229997Sken 990229997Sken switch (ccb->ccb_h.func_code) { 991229997Sken case XPT_ACCEPT_TARGET_IO: 992284793Smav softc->atios_freed++; 993312585Smav cmd_info = PRIV_INFO(io); 994288723Smav free(cmd_info, M_CTLFE); 995229997Sken break; 996229997Sken case XPT_IMMEDIATE_NOTIFY: 997229997Sken case XPT_NOTIFY_ACKNOWLEDGE: 998284793Smav softc->inots_freed++; 999229997Sken break; 1000229997Sken default: 1001229997Sken break; 1002229997Sken } 1003229997Sken 1004288723Smav ctl_free_io(io); 1005229997Sken free(ccb, M_CTLFE); 1006229997Sken 1007284793Smav KASSERT(softc->atios_freed <= softc->atios_alloced, ("%s: " 1008284793Smav "atios_freed %ju > atios_alloced %ju", __func__, 1009284793Smav softc->atios_freed, softc->atios_alloced)); 1010284793Smav KASSERT(softc->inots_freed <= softc->inots_alloced, ("%s: " 1011284793Smav "inots_freed %ju > inots_alloced %ju", __func__, 1012284793Smav softc->inots_freed, softc->inots_alloced)); 1013229997Sken 1014229997Sken /* 1015229997Sken * If we have received all of our CCBs, we can release our 1016229997Sken * reference on the peripheral driver. It will probably go away 1017229997Sken * now. 1018229997Sken */ 1019284793Smav if ((softc->atios_freed == softc->atios_alloced) 1020284793Smav && (softc->inots_freed == softc->inots_alloced)) { 1021229997Sken cam_periph_release_locked(periph); 1022229997Sken } 1023229997Sken} 1024229997Sken 1025238870Smjacobstatic int 1026238870Smjacobctlfe_adjust_cdb(struct ccb_accept_tio *atio, uint32_t offset) 1027238870Smjacob{ 1028238870Smjacob uint64_t lba; 1029238870Smjacob uint32_t num_blocks, nbc; 1030312845Smav uint8_t *cmdbyt = atio_cdb_ptr(atio); 1031238870Smjacob 1032238870Smjacob nbc = offset >> 9; /* ASSUMING 512 BYTE BLOCKS */ 1033238870Smjacob 1034238870Smjacob switch (cmdbyt[0]) { 1035238870Smjacob case READ_6: 1036238870Smjacob case WRITE_6: 1037238870Smjacob { 1038238870Smjacob struct scsi_rw_6 *cdb = (struct scsi_rw_6 *)cmdbyt; 1039238870Smjacob lba = scsi_3btoul(cdb->addr); 1040238870Smjacob lba &= 0x1fffff; 1041238870Smjacob num_blocks = cdb->length; 1042238870Smjacob if (num_blocks == 0) 1043238870Smjacob num_blocks = 256; 1044238870Smjacob lba += nbc; 1045238870Smjacob num_blocks -= nbc; 1046238870Smjacob scsi_ulto3b(lba, cdb->addr); 1047238870Smjacob cdb->length = num_blocks; 1048238870Smjacob break; 1049238870Smjacob } 1050238870Smjacob case READ_10: 1051238870Smjacob case WRITE_10: 1052238870Smjacob { 1053238870Smjacob struct scsi_rw_10 *cdb = (struct scsi_rw_10 *)cmdbyt; 1054238870Smjacob lba = scsi_4btoul(cdb->addr); 1055238870Smjacob num_blocks = scsi_2btoul(cdb->length); 1056238870Smjacob lba += nbc; 1057238870Smjacob num_blocks -= nbc; 1058238870Smjacob scsi_ulto4b(lba, cdb->addr); 1059238870Smjacob scsi_ulto2b(num_blocks, cdb->length); 1060238870Smjacob break; 1061238870Smjacob } 1062238870Smjacob case READ_12: 1063238870Smjacob case WRITE_12: 1064238870Smjacob { 1065238870Smjacob struct scsi_rw_12 *cdb = (struct scsi_rw_12 *)cmdbyt; 1066238870Smjacob lba = scsi_4btoul(cdb->addr); 1067238870Smjacob num_blocks = scsi_4btoul(cdb->length); 1068238870Smjacob lba += nbc; 1069238870Smjacob num_blocks -= nbc; 1070238870Smjacob scsi_ulto4b(lba, cdb->addr); 1071238870Smjacob scsi_ulto4b(num_blocks, cdb->length); 1072238870Smjacob break; 1073238870Smjacob } 1074238870Smjacob case READ_16: 1075238870Smjacob case WRITE_16: 1076238870Smjacob { 1077238870Smjacob struct scsi_rw_16 *cdb = (struct scsi_rw_16 *)cmdbyt; 1078238870Smjacob lba = scsi_8btou64(cdb->addr); 1079238870Smjacob num_blocks = scsi_4btoul(cdb->length); 1080238870Smjacob lba += nbc; 1081238870Smjacob num_blocks -= nbc; 1082238870Smjacob scsi_u64to8b(lba, cdb->addr); 1083238870Smjacob scsi_ulto4b(num_blocks, cdb->length); 1084238870Smjacob break; 1085238870Smjacob } 1086238870Smjacob default: 1087238870Smjacob return -1; 1088238870Smjacob } 1089238870Smjacob return (0); 1090238870Smjacob} 1091238870Smjacob 1092229997Skenstatic void 1093229997Skenctlfedone(struct cam_periph *periph, union ccb *done_ccb) 1094229997Sken{ 1095229997Sken struct ctlfe_lun_softc *softc; 1096229997Sken struct ctlfe_softc *bus_softc; 1097288723Smav struct ctlfe_cmd_info *cmd_info; 1098238870Smjacob struct ccb_accept_tio *atio = NULL; 1099238870Smjacob union ctl_io *io = NULL; 1100260387Sscottl struct mtx *mtx; 1101229997Sken 1102260387Sscottl KASSERT((done_ccb->ccb_h.flags & CAM_UNLOCKED) != 0, 1103260387Sscottl ("CCB in ctlfedone() without CAM_UNLOCKED flag")); 1104229997Sken#ifdef CTLFE_DEBUG 1105275878Smav printf("%s: entered, func_code = %#x\n", __func__, 1106275878Smav done_ccb->ccb_h.func_code); 1107229997Sken#endif 1108229997Sken 1109284794Smav /* 1110284794Smav * At this point CTL has no known use case for device queue freezes. 1111284794Smav * In case some SIM think different -- drop its freeze right here. 1112284794Smav */ 1113284794Smav if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) { 1114284794Smav cam_release_devq(periph->path, 1115284794Smav /*relsim_flags*/0, 1116284794Smav /*reduction*/0, 1117284794Smav /*timeout*/0, 1118284794Smav /*getcount_only*/0); 1119284794Smav done_ccb->ccb_h.status &= ~CAM_DEV_QFRZN; 1120284794Smav } 1121284794Smav 1122229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 1123229997Sken bus_softc = softc->parent_softc; 1124260387Sscottl mtx = cam_periph_mtx(periph); 1125260387Sscottl mtx_lock(mtx); 1126229997Sken 1127229997Sken /* 1128229997Sken * If the peripheral is invalid, ATIOs and immediate notify CCBs 1129229997Sken * need to be freed. Most of the ATIOs and INOTs that come back 1130229997Sken * will be CCBs that are being returned from the SIM as a result of 1131229997Sken * our disabling the LUN. 1132229997Sken * 1133229997Sken * Other CCB types are handled in their respective cases below. 1134229997Sken */ 1135229997Sken if (periph->flags & CAM_PERIPH_INVALID) { 1136229997Sken switch (done_ccb->ccb_h.func_code) { 1137229997Sken case XPT_ACCEPT_TARGET_IO: 1138229997Sken case XPT_IMMEDIATE_NOTIFY: 1139229997Sken case XPT_NOTIFY_ACKNOWLEDGE: 1140229997Sken ctlfe_free_ccb(periph, done_ccb); 1141260387Sscottl goto out; 1142229997Sken default: 1143229997Sken break; 1144229997Sken } 1145229997Sken 1146229997Sken } 1147229997Sken switch (done_ccb->ccb_h.func_code) { 1148229997Sken case XPT_ACCEPT_TARGET_IO: { 1149229997Sken 1150229997Sken atio = &done_ccb->atio; 1151229997Sken 1152238870Smjacob resubmit: 1153229997Sken /* 1154229997Sken * Allocate a ctl_io, pass it to CTL, and wait for the 1155229997Sken * datamove or done. 1156229997Sken */ 1157260387Sscottl mtx_unlock(mtx); 1158275878Smav io = done_ccb->ccb_h.io_ptr; 1159312585Smav cmd_info = PRIV_INFO(io); 1160229997Sken ctl_zero_io(io); 1161229997Sken 1162229997Sken /* Save pointers on both sides */ 1163312585Smav PRIV_CCB(io) = done_ccb; 1164312585Smav PRIV_INFO(io) = cmd_info; 1165229997Sken done_ccb->ccb_h.io_ptr = io; 1166229997Sken 1167229997Sken /* 1168229997Sken * Only SCSI I/O comes down this path, resets, etc. come 1169229997Sken * down the immediate notify path below. 1170229997Sken */ 1171229997Sken io->io_hdr.io_type = CTL_IO_SCSI; 1172288731Smav io->io_hdr.nexus.initid = atio->init_id; 1173268677Smav io->io_hdr.nexus.targ_port = bus_softc->port.targ_port; 1174290776Smav if (bus_softc->hba_misc & PIM_EXTLUNS) { 1175290776Smav io->io_hdr.nexus.targ_lun = ctl_decode_lun( 1176290776Smav CAM_EXTLUN_BYTE_SWIZZLE(atio->ccb_h.target_lun)); 1177290776Smav } else { 1178290776Smav io->io_hdr.nexus.targ_lun = atio->ccb_h.target_lun; 1179290776Smav } 1180229997Sken io->scsiio.tag_num = atio->tag_id; 1181229997Sken switch (atio->tag_action) { 1182229997Sken case CAM_TAG_ACTION_NONE: 1183229997Sken io->scsiio.tag_type = CTL_TAG_UNTAGGED; 1184229997Sken break; 1185229997Sken case MSG_SIMPLE_TASK: 1186229997Sken io->scsiio.tag_type = CTL_TAG_SIMPLE; 1187229997Sken break; 1188229997Sken case MSG_HEAD_OF_QUEUE_TASK: 1189229997Sken io->scsiio.tag_type = CTL_TAG_HEAD_OF_QUEUE; 1190229997Sken break; 1191229997Sken case MSG_ORDERED_TASK: 1192229997Sken io->scsiio.tag_type = CTL_TAG_ORDERED; 1193229997Sken break; 1194229997Sken case MSG_ACA_TASK: 1195229997Sken io->scsiio.tag_type = CTL_TAG_ACA; 1196229997Sken break; 1197229997Sken default: 1198229997Sken io->scsiio.tag_type = CTL_TAG_UNTAGGED; 1199229997Sken printf("%s: unhandled tag type %#x!!\n", __func__, 1200229997Sken atio->tag_action); 1201229997Sken break; 1202229997Sken } 1203229997Sken if (atio->cdb_len > sizeof(io->scsiio.cdb)) { 1204229997Sken printf("%s: WARNING: CDB len %d > ctl_io space %zd\n", 1205229997Sken __func__, atio->cdb_len, sizeof(io->scsiio.cdb)); 1206229997Sken } 1207229997Sken io->scsiio.cdb_len = min(atio->cdb_len, sizeof(io->scsiio.cdb)); 1208312845Smav bcopy(atio_cdb_ptr(atio), io->scsiio.cdb, io->scsiio.cdb_len); 1209229997Sken 1210229997Sken#ifdef CTLFEDEBUG 1211288731Smav printf("%s: %u:%u:%u: tag %04x CDB %02x\n", __func__, 1212288731Smav io->io_hdr.nexus.initid, 1213229997Sken io->io_hdr.nexus.targ_port, 1214229997Sken io->io_hdr.nexus.targ_lun, 1215229997Sken io->scsiio.tag_num, io->scsiio.cdb[0]); 1216229997Sken#endif 1217229997Sken 1218229997Sken ctl_queue(io); 1219260387Sscottl return; 1220229997Sken } 1221229997Sken case XPT_CONT_TARGET_IO: { 1222238870Smjacob int srr = 0; 1223238870Smjacob uint32_t srr_off = 0; 1224229997Sken 1225229997Sken atio = (struct ccb_accept_tio *)done_ccb->ccb_h.ccb_atio; 1226229997Sken io = (union ctl_io *)atio->ccb_h.io_ptr; 1227229997Sken 1228229997Sken softc->ctios_returned++; 1229229997Sken#ifdef CTLFEDEBUG 1230229997Sken printf("%s: got XPT_CONT_TARGET_IO tag %#x flags %#x\n", 1231229997Sken __func__, atio->tag_id, done_ccb->ccb_h.flags); 1232229997Sken#endif 1233229997Sken /* 1234238870Smjacob * Handle SRR case were the data pointer is pushed back hack 1235238870Smjacob */ 1236238870Smjacob if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_MESSAGE_RECV 1237238870Smjacob && done_ccb->csio.msg_ptr != NULL 1238238870Smjacob && done_ccb->csio.msg_ptr[0] == MSG_EXTENDED 1239238870Smjacob && done_ccb->csio.msg_ptr[1] == 5 1240238870Smjacob && done_ccb->csio.msg_ptr[2] == 0) { 1241238870Smjacob srr = 1; 1242238870Smjacob srr_off = 1243238870Smjacob (done_ccb->csio.msg_ptr[3] << 24) 1244238870Smjacob | (done_ccb->csio.msg_ptr[4] << 16) 1245238870Smjacob | (done_ccb->csio.msg_ptr[5] << 8) 1246238870Smjacob | (done_ccb->csio.msg_ptr[6]); 1247238870Smjacob } 1248238870Smjacob 1249275880Smav if (srr && (io->io_hdr.flags & CTL_FLAG_DMA_INPROG) == 0) { 1250238870Smjacob /* 1251238870Smjacob * If status was being sent, the back end data is now 1252238870Smjacob * history. Hack it up and resubmit a new command with 1253238870Smjacob * the CDB adjusted. If the SIM does the right thing, 1254238870Smjacob * all of the resid math should work. 1255238870Smjacob */ 1256238870Smjacob softc->ccbs_freed++; 1257238870Smjacob xpt_release_ccb(done_ccb); 1258238870Smjacob if (ctlfe_adjust_cdb(atio, srr_off) == 0) { 1259238870Smjacob done_ccb = (union ccb *)atio; 1260238870Smjacob goto resubmit; 1261238870Smjacob } 1262238870Smjacob /* 1263238870Smjacob * Fall through to doom.... 1264238870Smjacob */ 1265238870Smjacob } else if (srr) { 1266238870Smjacob /* 1267238870Smjacob * If we have an srr and we're still sending data, we 1268238870Smjacob * should be able to adjust offsets and cycle again. 1269238870Smjacob */ 1270238870Smjacob io->scsiio.kern_rel_offset = 1271238870Smjacob io->scsiio.ext_data_filled = srr_off; 1272238870Smjacob io->scsiio.ext_data_len = io->scsiio.kern_total_len - 1273238870Smjacob io->scsiio.kern_rel_offset; 1274238870Smjacob softc->ccbs_freed++; 1275238870Smjacob io->scsiio.io_hdr.status = CTL_STATUS_NONE; 1276238870Smjacob xpt_release_ccb(done_ccb); 1277238870Smjacob TAILQ_INSERT_HEAD(&softc->work_queue, &atio->ccb_h, 1278238870Smjacob periph_links.tqe); 1279238870Smjacob xpt_schedule(periph, /*priority*/ 1); 1280260387Sscottl break; 1281238870Smjacob } 1282238870Smjacob 1283277919Smav if ((done_ccb->ccb_h.flags & CAM_SEND_STATUS) && 1284277919Smav (done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) 1285277919Smav io->io_hdr.flags |= CTL_FLAG_STATUS_SENT; 1286277919Smav 1287238870Smjacob /* 1288229997Sken * If we were sending status back to the initiator, free up 1289229997Sken * resources. If we were doing a datamove, call the 1290229997Sken * datamove done routine. 1291229997Sken */ 1292275880Smav if ((io->io_hdr.flags & CTL_FLAG_DMA_INPROG) == 0) { 1293229997Sken softc->ccbs_freed++; 1294229997Sken xpt_release_ccb(done_ccb); 1295229997Sken /* 1296229997Sken * For a wildcard attachment, commands can come in 1297229997Sken * with a specific target/lun. Reset the target 1298229997Sken * and LUN fields back to the wildcard values before 1299229997Sken * we send them back down to the SIM. The SIM has 1300229997Sken * a wildcard LUN enabled, not whatever target/lun 1301229997Sken * these happened to be. 1302229997Sken */ 1303229997Sken if (softc->flags & CTLFE_LUN_WILDCARD) { 1304229997Sken atio->ccb_h.target_id = CAM_TARGET_WILDCARD; 1305229997Sken atio->ccb_h.target_lun = CAM_LUN_WILDCARD; 1306229997Sken } 1307229997Sken if (periph->flags & CAM_PERIPH_INVALID) { 1308229997Sken ctlfe_free_ccb(periph, (union ccb *)atio); 1309229997Sken } else { 1310260387Sscottl mtx_unlock(mtx); 1311229997Sken xpt_action((union ccb *)atio); 1312260387Sscottl return; 1313229997Sken } 1314229997Sken } else { 1315288723Smav struct ctlfe_cmd_info *cmd_info; 1316229997Sken struct ccb_scsiio *csio; 1317229997Sken 1318229997Sken csio = &done_ccb->csio; 1319312585Smav cmd_info = PRIV_INFO(io); 1320229997Sken 1321229997Sken io->io_hdr.flags &= ~CTL_FLAG_DMA_INPROG; 1322229997Sken 1323229997Sken io->scsiio.ext_data_len += csio->dxfer_len; 1324229997Sken if (io->scsiio.ext_data_len > 1325229997Sken io->scsiio.kern_total_len) { 1326229997Sken xpt_print(periph->path, "%s: tag 0x%04x " 1327229997Sken "done len %u > total %u sent %u\n", 1328229997Sken __func__, io->scsiio.tag_num, 1329229997Sken io->scsiio.ext_data_len, 1330229997Sken io->scsiio.kern_total_len, 1331229997Sken io->scsiio.ext_data_filled); 1332229997Sken } 1333229997Sken /* 1334229997Sken * Translate CAM status to CTL status. Success 1335229997Sken * does not change the overall, ctl_io status. In 1336229997Sken * that case we just set port_status to 0. If we 1337229997Sken * have a failure, though, set a data phase error 1338229997Sken * for the overall ctl_io. 1339229997Sken */ 1340229997Sken switch (done_ccb->ccb_h.status & CAM_STATUS_MASK) { 1341229997Sken case CAM_REQ_CMP: 1342229997Sken io->io_hdr.port_status = 0; 1343229997Sken break; 1344229997Sken default: 1345229997Sken /* 1346245228Sken * XXX KDM we probably need to figure out a 1347245228Sken * standard set of errors that the SIM 1348245228Sken * drivers should return in the event of a 1349245228Sken * data transfer failure. A data phase 1350245228Sken * error will at least point the user to a 1351245228Sken * data transfer error of some sort. 1352245228Sken * Hopefully the SIM printed out some 1353245228Sken * additional information to give the user 1354245228Sken * a clue what happened. 1355229997Sken */ 1356229997Sken io->io_hdr.port_status = 0xbad1; 1357229997Sken ctl_set_data_phase_error(&io->scsiio); 1358229997Sken /* 1359229997Sken * XXX KDM figure out residual. 1360229997Sken */ 1361229997Sken break; 1362229997Sken } 1363229997Sken /* 1364229997Sken * If we had to break this S/G list into multiple 1365229997Sken * pieces, figure out where we are in the list, and 1366229997Sken * continue sending pieces if necessary. 1367229997Sken */ 1368229997Sken if ((cmd_info->flags & CTLFE_CMD_PIECEWISE) 1369265641Smav && (io->io_hdr.port_status == 0)) { 1370229997Sken ccb_flags flags; 1371229997Sken uint8_t scsi_status; 1372229997Sken uint8_t *data_ptr; 1373229997Sken uint32_t dxfer_len; 1374229997Sken 1375229997Sken flags = atio->ccb_h.flags & 1376229997Sken (CAM_DIS_DISCONNECT| 1377265641Smav CAM_TAG_ACTION_VALID); 1378229997Sken 1379265641Smav ctlfedata(softc, io, &flags, &data_ptr, 1380265641Smav &dxfer_len, &csio->sglist_cnt); 1381229997Sken 1382229997Sken scsi_status = 0; 1383229997Sken 1384229997Sken if (((flags & CAM_SEND_STATUS) == 0) 1385229997Sken && (dxfer_len == 0)) { 1386229997Sken printf("%s: tag %04x no status or " 1387229997Sken "len cdb = %02x\n", __func__, 1388229997Sken atio->tag_id, 1389312845Smav atio_cdb_ptr(atio)[0]); 1390229997Sken printf("%s: tag %04x io status %#x\n", 1391229997Sken __func__, atio->tag_id, 1392229997Sken io->io_hdr.status); 1393229997Sken } 1394229997Sken 1395229997Sken cam_fill_ctio(csio, 1396229997Sken /*retries*/ 2, 1397229997Sken ctlfedone, 1398229997Sken flags, 1399229997Sken (flags & CAM_TAG_ACTION_VALID) ? 1400229997Sken MSG_SIMPLE_Q_TAG : 0, 1401229997Sken atio->tag_id, 1402229997Sken atio->init_id, 1403229997Sken scsi_status, 1404229997Sken /*data_ptr*/ data_ptr, 1405229997Sken /*dxfer_len*/ dxfer_len, 1406229997Sken /*timeout*/ 5 * 1000); 1407229997Sken 1408260387Sscottl csio->ccb_h.flags |= CAM_UNLOCKED; 1409229997Sken csio->resid = 0; 1410229997Sken csio->ccb_h.ccb_atio = atio; 1411229997Sken io->io_hdr.flags |= CTL_FLAG_DMA_INPROG; 1412229997Sken softc->ctios_sent++; 1413260387Sscottl mtx_unlock(mtx); 1414229997Sken xpt_action((union ccb *)csio); 1415229997Sken } else { 1416229997Sken /* 1417229997Sken * Release the CTIO. The ATIO will be sent back 1418229997Sken * down to the SIM once we send status. 1419229997Sken */ 1420229997Sken softc->ccbs_freed++; 1421229997Sken xpt_release_ccb(done_ccb); 1422260387Sscottl mtx_unlock(mtx); 1423229997Sken 1424229997Sken /* Call the backend move done callback */ 1425229997Sken io->scsiio.be_move_done(io); 1426229997Sken } 1427260387Sscottl return; 1428229997Sken } 1429229997Sken break; 1430229997Sken } 1431229997Sken case XPT_IMMEDIATE_NOTIFY: { 1432229997Sken union ctl_io *io; 1433229997Sken struct ccb_immediate_notify *inot; 1434229997Sken cam_status status; 1435284794Smav int send_ctl_io; 1436229997Sken 1437229997Sken inot = &done_ccb->cin1; 1438229997Sken printf("%s: got XPT_IMMEDIATE_NOTIFY status %#x tag %#x " 1439229997Sken "seq %#x\n", __func__, inot->ccb_h.status, 1440229997Sken inot->tag_id, inot->seq_id); 1441229997Sken 1442275878Smav io = done_ccb->ccb_h.io_ptr; 1443275878Smav ctl_zero_io(io); 1444229997Sken 1445275878Smav send_ctl_io = 1; 1446229997Sken 1447275878Smav io->io_hdr.io_type = CTL_IO_TASK; 1448312585Smav PRIV_CCB(io) = done_ccb; 1449275878Smav inot->ccb_h.io_ptr = io; 1450288731Smav io->io_hdr.nexus.initid = inot->initiator_id; 1451275878Smav io->io_hdr.nexus.targ_port = bus_softc->port.targ_port; 1452290776Smav if (bus_softc->hba_misc & PIM_EXTLUNS) { 1453290776Smav io->io_hdr.nexus.targ_lun = ctl_decode_lun( 1454290776Smav CAM_EXTLUN_BYTE_SWIZZLE(inot->ccb_h.target_lun)); 1455290776Smav } else { 1456290776Smav io->io_hdr.nexus.targ_lun = inot->ccb_h.target_lun; 1457290776Smav } 1458275878Smav /* XXX KDM should this be the tag_id? */ 1459275878Smav io->taskio.tag_num = inot->seq_id; 1460229997Sken 1461275878Smav status = inot->ccb_h.status & CAM_STATUS_MASK; 1462275878Smav switch (status) { 1463275878Smav case CAM_SCSI_BUS_RESET: 1464275878Smav io->taskio.task_action = CTL_TASK_BUS_RESET; 1465275878Smav break; 1466275878Smav case CAM_BDR_SENT: 1467275878Smav io->taskio.task_action = CTL_TASK_TARGET_RESET; 1468275878Smav break; 1469275878Smav case CAM_MESSAGE_RECV: 1470275878Smav switch (inot->arg) { 1471275878Smav case MSG_ABORT_TASK_SET: 1472275878Smav io->taskio.task_action = 1473275878Smav CTL_TASK_ABORT_TASK_SET; 1474229997Sken break; 1475275878Smav case MSG_TARGET_RESET: 1476290775Smav io->taskio.task_action = CTL_TASK_TARGET_RESET; 1477229997Sken break; 1478275878Smav case MSG_ABORT_TASK: 1479290775Smav io->taskio.task_action = CTL_TASK_ABORT_TASK; 1480229997Sken break; 1481275878Smav case MSG_LOGICAL_UNIT_RESET: 1482290775Smav io->taskio.task_action = CTL_TASK_LUN_RESET; 1483275878Smav break; 1484275878Smav case MSG_CLEAR_TASK_SET: 1485275878Smav io->taskio.task_action = 1486290775Smav CTL_TASK_CLEAR_TASK_SET; 1487275878Smav break; 1488275878Smav case MSG_CLEAR_ACA: 1489290775Smav io->taskio.task_action = CTL_TASK_CLEAR_ACA; 1490290775Smav break; 1491290775Smav case MSG_QUERY_TASK: 1492290775Smav io->taskio.task_action = CTL_TASK_QUERY_TASK; 1493290775Smav break; 1494290775Smav case MSG_QUERY_TASK_SET: 1495275878Smav io->taskio.task_action = 1496290775Smav CTL_TASK_QUERY_TASK_SET; 1497275878Smav break; 1498290775Smav case MSG_QUERY_ASYNC_EVENT: 1499290775Smav io->taskio.task_action = 1500290775Smav CTL_TASK_QUERY_ASYNC_EVENT; 1501290775Smav break; 1502275878Smav case MSG_NOOP: 1503229997Sken send_ctl_io = 0; 1504229997Sken break; 1505229997Sken default: 1506275878Smav xpt_print(periph->path, 1507275878Smav "%s: unsupported message 0x%x\n", 1508275878Smav __func__, inot->arg); 1509275878Smav send_ctl_io = 0; 1510275878Smav break; 1511275878Smav } 1512275878Smav break; 1513275878Smav case CAM_REQ_ABORTED: 1514275878Smav /* 1515275878Smav * This request was sent back by the driver. 1516275878Smav * XXX KDM what do we do here? 1517275878Smav */ 1518275878Smav send_ctl_io = 0; 1519275878Smav break; 1520275878Smav case CAM_REQ_INVALID: 1521275878Smav case CAM_PROVIDE_FAIL: 1522275878Smav default: 1523275878Smav /* 1524275878Smav * We should only get here if we're talking 1525275878Smav * to a talking to a SIM that is target 1526275878Smav * capable but supports the old API. In 1527275878Smav * that case, we need to just free the CCB. 1528275878Smav * If we actually send a notify acknowledge, 1529275878Smav * it will send that back with an error as 1530275878Smav * well. 1531275878Smav */ 1532237601Sken 1533275878Smav if ((status != CAM_REQ_INVALID) 1534275878Smav && (status != CAM_PROVIDE_FAIL)) 1535275878Smav xpt_print(periph->path, 1536275878Smav "%s: unsupported CAM status 0x%x\n", 1537275878Smav __func__, status); 1538237601Sken 1539275878Smav ctlfe_free_ccb(periph, done_ccb); 1540237601Sken 1541275878Smav goto out; 1542275878Smav } 1543275878Smav if (send_ctl_io != 0) { 1544275878Smav ctl_queue(io); 1545229997Sken } else { 1546229997Sken done_ccb->ccb_h.status = CAM_REQ_INPROG; 1547229997Sken done_ccb->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE; 1548229997Sken xpt_action(done_ccb); 1549229997Sken } 1550229997Sken break; 1551229997Sken } 1552229997Sken case XPT_NOTIFY_ACKNOWLEDGE: 1553229997Sken /* 1554229997Sken * Queue this back down to the SIM as an immediate notify. 1555229997Sken */ 1556304417Smav done_ccb->ccb_h.status = CAM_REQ_INPROG; 1557229997Sken done_ccb->ccb_h.func_code = XPT_IMMEDIATE_NOTIFY; 1558229997Sken xpt_action(done_ccb); 1559229997Sken break; 1560229997Sken case XPT_SET_SIM_KNOB: 1561229997Sken case XPT_GET_SIM_KNOB: 1562229997Sken break; 1563229997Sken default: 1564229997Sken panic("%s: unexpected CCB type %#x", __func__, 1565229997Sken done_ccb->ccb_h.func_code); 1566229997Sken break; 1567229997Sken } 1568260387Sscottl 1569260387Sscottlout: 1570260387Sscottl mtx_unlock(mtx); 1571229997Sken} 1572229997Sken 1573229997Skenstatic void 1574229997Skenctlfe_onoffline(void *arg, int online) 1575229997Sken{ 1576229997Sken struct ctlfe_softc *bus_softc; 1577229997Sken union ccb *ccb; 1578229997Sken cam_status status; 1579229997Sken struct cam_path *path; 1580229997Sken int set_wwnn; 1581229997Sken 1582229997Sken bus_softc = (struct ctlfe_softc *)arg; 1583229997Sken 1584229997Sken set_wwnn = 0; 1585229997Sken 1586229997Sken status = xpt_create_path(&path, /*periph*/ NULL, bus_softc->path_id, 1587229997Sken CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); 1588229997Sken if (status != CAM_REQ_CMP) { 1589229997Sken printf("%s: unable to create path!\n", __func__); 1590229997Sken return; 1591229997Sken } 1592275882Smav ccb = xpt_alloc_ccb(); 1593242174Smav xpt_setup_ccb(&ccb->ccb_h, path, CAM_PRIORITY_NONE); 1594288713Smav ccb->ccb_h.func_code = XPT_GET_SIM_KNOB; 1595288713Smav xpt_action(ccb); 1596229997Sken 1597229997Sken /* 1598229997Sken * Copan WWN format: 1599229997Sken * 1600229997Sken * Bits 63-60: 0x5 NAA, IEEE registered name 1601229997Sken * Bits 59-36: 0x000ED5 IEEE Company name assigned to Copan 1602229997Sken * Bits 35-12: Copan SSN (Sequential Serial Number) 1603229997Sken * Bits 11-8: Type of port: 1604229997Sken * 1 == N-Port 1605229997Sken * 2 == F-Port 1606229997Sken * 3 == NL-Port 1607229997Sken * Bits 7-0: 0 == Node Name, >0 == Port Number 1608229997Sken */ 1609229997Sken if (online != 0) { 1610229997Sken if ((ccb->knob.xport_specific.valid & KNOB_VALID_ADDRESS) != 0){ 1611229997Sken#ifdef RANDOM_WWNN 1612229997Sken uint64_t random_bits; 1613229997Sken#endif 1614229997Sken 1615229997Sken printf("%s: %s current WWNN %#jx\n", __func__, 1616229997Sken bus_softc->port_name, 1617229997Sken ccb->knob.xport_specific.fc.wwnn); 1618229997Sken printf("%s: %s current WWPN %#jx\n", __func__, 1619229997Sken bus_softc->port_name, 1620229997Sken ccb->knob.xport_specific.fc.wwpn); 1621229997Sken 1622229997Sken#ifdef RANDOM_WWNN 1623229997Sken arc4rand(&random_bits, sizeof(random_bits), 0); 1624229997Sken#endif 1625229997Sken 1626229997Sken /* 1627229997Sken * XXX KDM this is a bit of a kludge for now. We 1628229997Sken * take the current WWNN/WWPN from the card, and 1629229997Sken * replace the company identifier and the NL-Port 1630229997Sken * indicator and the port number (for the WWPN). 1631229997Sken * This should be replaced later with ddb_GetWWNN, 1632229997Sken * or possibly a more centralized scheme. (It 1633229997Sken * would be nice to have the WWNN/WWPN for each 1634268677Smav * port stored in the ctl_port structure.) 1635229997Sken */ 1636229997Sken#ifdef RANDOM_WWNN 1637229997Sken ccb->knob.xport_specific.fc.wwnn = 1638229997Sken (random_bits & 1639229997Sken 0x0000000fffffff00ULL) | 1640229997Sken /* Company ID */ 0x5000ED5000000000ULL | 1641229997Sken /* NL-Port */ 0x0300; 1642229997Sken ccb->knob.xport_specific.fc.wwpn = 1643229997Sken (random_bits & 1644229997Sken 0x0000000fffffff00ULL) | 1645229997Sken /* Company ID */ 0x5000ED5000000000ULL | 1646229997Sken /* NL-Port */ 0x3000 | 1647268677Smav /* Port Num */ (bus_softc->port.targ_port & 0xff); 1648229997Sken 1649229997Sken /* 1650229997Sken * This is a bit of an API break/reversal, but if 1651229997Sken * we're doing the random WWNN that's a little 1652229997Sken * different anyway. So record what we're actually 1653229997Sken * using with the frontend code so it's reported 1654229997Sken * accurately. 1655229997Sken */ 1656268683Smav ctl_port_set_wwns(&bus_softc->port, 1657268683Smav true, ccb->knob.xport_specific.fc.wwnn, 1658268683Smav true, ccb->knob.xport_specific.fc.wwpn); 1659229997Sken set_wwnn = 1; 1660229997Sken#else /* RANDOM_WWNN */ 1661229997Sken /* 1662229997Sken * If the user has specified a WWNN/WWPN, send them 1663229997Sken * down to the SIM. Otherwise, record what the SIM 1664229997Sken * has reported. 1665229997Sken */ 1666284586Smav if (bus_softc->port.wwnn != 0 && bus_softc->port.wwnn 1667284586Smav != ccb->knob.xport_specific.fc.wwnn) { 1668229997Sken ccb->knob.xport_specific.fc.wwnn = 1669284586Smav bus_softc->port.wwnn; 1670284586Smav set_wwnn = 1; 1671284586Smav } else { 1672284586Smav ctl_port_set_wwns(&bus_softc->port, 1673284586Smav true, ccb->knob.xport_specific.fc.wwnn, 1674284586Smav false, 0); 1675284586Smav } 1676284586Smav if (bus_softc->port.wwpn != 0 && bus_softc->port.wwpn 1677284586Smav != ccb->knob.xport_specific.fc.wwpn) { 1678229997Sken ccb->knob.xport_specific.fc.wwpn = 1679284586Smav bus_softc->port.wwpn; 1680229997Sken set_wwnn = 1; 1681229997Sken } else { 1682268683Smav ctl_port_set_wwns(&bus_softc->port, 1683284586Smav false, 0, 1684268683Smav true, ccb->knob.xport_specific.fc.wwpn); 1685229997Sken } 1686229997Sken#endif /* RANDOM_WWNN */ 1687229997Sken 1688229997Sken 1689229997Sken if (set_wwnn != 0) { 1690229997Sken printf("%s: %s new WWNN %#jx\n", __func__, 1691229997Sken bus_softc->port_name, 1692229997Sken ccb->knob.xport_specific.fc.wwnn); 1693229997Sken printf("%s: %s new WWPN %#jx\n", __func__, 1694229997Sken bus_softc->port_name, 1695229997Sken ccb->knob.xport_specific.fc.wwpn); 1696229997Sken } 1697229997Sken } else { 1698229997Sken printf("%s: %s has no valid WWNN/WWPN\n", __func__, 1699229997Sken bus_softc->port_name); 1700229997Sken } 1701229997Sken } 1702229997Sken ccb->ccb_h.func_code = XPT_SET_SIM_KNOB; 1703229997Sken ccb->knob.xport_specific.valid = KNOB_VALID_ROLE; 1704229997Sken if (set_wwnn != 0) 1705229997Sken ccb->knob.xport_specific.valid |= KNOB_VALID_ADDRESS; 1706229997Sken 1707229997Sken if (online != 0) 1708288713Smav ccb->knob.xport_specific.fc.role |= KNOB_ROLE_TARGET; 1709229997Sken else 1710288713Smav ccb->knob.xport_specific.fc.role &= ~KNOB_ROLE_TARGET; 1711229997Sken 1712229997Sken xpt_action(ccb); 1713229997Sken 1714229997Sken if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1715229997Sken printf("%s: SIM %s (path id %d) target %s failed with " 1716229997Sken "status %#x\n", 1717229997Sken __func__, bus_softc->port_name, bus_softc->path_id, 1718229997Sken (online != 0) ? "enable" : "disable", 1719229997Sken ccb->ccb_h.status); 1720229997Sken } else { 1721229997Sken printf("%s: SIM %s (path id %d) target %s succeeded\n", 1722229997Sken __func__, bus_softc->port_name, bus_softc->path_id, 1723229997Sken (online != 0) ? "enable" : "disable"); 1724229997Sken } 1725229997Sken 1726229997Sken xpt_free_path(path); 1727275882Smav xpt_free_ccb(ccb); 1728229997Sken} 1729229997Sken 1730229997Skenstatic void 1731229997Skenctlfe_online(void *arg) 1732229997Sken{ 1733245228Sken struct ctlfe_softc *bus_softc; 1734245228Sken struct cam_path *path; 1735245228Sken cam_status status; 1736245228Sken struct ctlfe_lun_softc *lun_softc; 1737274388Smav struct cam_periph *periph; 1738245228Sken 1739245228Sken bus_softc = (struct ctlfe_softc *)arg; 1740245228Sken 1741245228Sken /* 1742245228Sken * Create the wildcard LUN before bringing the port online. 1743245228Sken */ 1744245228Sken status = xpt_create_path(&path, /*periph*/ NULL, 1745245228Sken bus_softc->path_id, CAM_TARGET_WILDCARD, 1746245228Sken CAM_LUN_WILDCARD); 1747245228Sken if (status != CAM_REQ_CMP) { 1748245228Sken printf("%s: unable to create path for wildcard periph\n", 1749245228Sken __func__); 1750245228Sken return; 1751245228Sken } 1752245228Sken 1753275882Smav lun_softc = malloc(sizeof(*lun_softc), M_CTLFE, M_WAITOK | M_ZERO); 1754245228Sken 1755260387Sscottl xpt_path_lock(path); 1756274388Smav periph = cam_periph_find(path, "ctl"); 1757274388Smav if (periph != NULL) { 1758274388Smav /* We've already got a periph, no need to alloc a new one. */ 1759274388Smav xpt_path_unlock(path); 1760274388Smav xpt_free_path(path); 1761274388Smav free(lun_softc, M_CTLFE); 1762274388Smav return; 1763274388Smav } 1764245228Sken lun_softc->parent_softc = bus_softc; 1765245228Sken lun_softc->flags |= CTLFE_LUN_WILDCARD; 1766245228Sken 1767245228Sken status = cam_periph_alloc(ctlferegister, 1768245228Sken ctlfeoninvalidate, 1769245228Sken ctlfecleanup, 1770245228Sken ctlfestart, 1771245228Sken "ctl", 1772245228Sken CAM_PERIPH_BIO, 1773245228Sken path, 1774245228Sken ctlfeasync, 1775245228Sken 0, 1776245228Sken lun_softc); 1777245228Sken 1778245228Sken if ((status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1779245228Sken const struct cam_status_entry *entry; 1780245228Sken 1781245228Sken entry = cam_fetch_status_entry(status); 1782245228Sken printf("%s: CAM error %s (%#x) returned from " 1783245228Sken "cam_periph_alloc()\n", __func__, (entry != NULL) ? 1784245228Sken entry->status_text : "Unknown", status); 1785274388Smav free(lun_softc, M_CTLFE); 1786245228Sken } 1787245228Sken 1788260387Sscottl xpt_path_unlock(path); 1789275882Smav ctlfe_onoffline(arg, /*online*/ 1); 1790260387Sscottl xpt_free_path(path); 1791229997Sken} 1792229997Sken 1793229997Skenstatic void 1794229997Skenctlfe_offline(void *arg) 1795229997Sken{ 1796245228Sken struct ctlfe_softc *bus_softc; 1797245228Sken struct cam_path *path; 1798245228Sken cam_status status; 1799245228Sken struct cam_periph *periph; 1800245228Sken 1801245228Sken bus_softc = (struct ctlfe_softc *)arg; 1802245228Sken 1803275882Smav ctlfe_onoffline(arg, /*online*/ 0); 1804275882Smav 1805245228Sken /* 1806245228Sken * Disable the wildcard LUN for this port now that we have taken 1807245228Sken * the port offline. 1808245228Sken */ 1809245228Sken status = xpt_create_path(&path, /*periph*/ NULL, 1810245228Sken bus_softc->path_id, CAM_TARGET_WILDCARD, 1811245228Sken CAM_LUN_WILDCARD); 1812245228Sken if (status != CAM_REQ_CMP) { 1813245228Sken printf("%s: unable to create path for wildcard periph\n", 1814245228Sken __func__); 1815245228Sken return; 1816245228Sken } 1817260387Sscottl xpt_path_lock(path); 1818245228Sken if ((periph = cam_periph_find(path, "ctl")) != NULL) 1819245228Sken cam_periph_invalidate(periph); 1820260387Sscottl xpt_path_unlock(path); 1821245228Sken xpt_free_path(path); 1822229997Sken} 1823229997Sken 1824229997Sken/* 1825229997Sken * This will get called to enable a LUN on every bus that is attached to 1826229997Sken * CTL. So we only need to create a path/periph for this particular bus. 1827229997Sken */ 1828229997Skenstatic int 1829284798Smavctlfe_lun_enable(void *arg, int lun_id) 1830229997Sken{ 1831229997Sken struct ctlfe_softc *bus_softc; 1832229997Sken struct ctlfe_lun_softc *softc; 1833229997Sken struct cam_path *path; 1834229997Sken struct cam_periph *periph; 1835229997Sken cam_status status; 1836229997Sken 1837229997Sken bus_softc = (struct ctlfe_softc *)arg; 1838290776Smav if (bus_softc->hba_misc & PIM_EXTLUNS) 1839290776Smav lun_id = CAM_EXTLUN_BYTE_SWIZZLE(ctl_encode_lun(lun_id)); 1840229997Sken 1841260387Sscottl status = xpt_create_path(&path, /*periph*/ NULL, 1842290776Smav bus_softc->path_id, bus_softc->target_id, lun_id); 1843229997Sken /* XXX KDM need some way to return status to CTL here? */ 1844229997Sken if (status != CAM_REQ_CMP) { 1845229997Sken printf("%s: could not create path, status %#x\n", __func__, 1846229997Sken status); 1847229997Sken return (1); 1848229997Sken } 1849229997Sken 1850229997Sken softc = malloc(sizeof(*softc), M_CTLFE, M_WAITOK | M_ZERO); 1851260387Sscottl xpt_path_lock(path); 1852229997Sken periph = cam_periph_find(path, "ctl"); 1853229997Sken if (periph != NULL) { 1854229997Sken /* We've already got a periph, no need to alloc a new one. */ 1855260387Sscottl xpt_path_unlock(path); 1856229997Sken xpt_free_path(path); 1857229997Sken free(softc, M_CTLFE); 1858229997Sken return (0); 1859229997Sken } 1860229997Sken softc->parent_softc = bus_softc; 1861229997Sken 1862229997Sken status = cam_periph_alloc(ctlferegister, 1863229997Sken ctlfeoninvalidate, 1864229997Sken ctlfecleanup, 1865229997Sken ctlfestart, 1866229997Sken "ctl", 1867229997Sken CAM_PERIPH_BIO, 1868229997Sken path, 1869229997Sken ctlfeasync, 1870229997Sken 0, 1871229997Sken softc); 1872229997Sken 1873274388Smav if ((status & CAM_STATUS_MASK) != CAM_REQ_CMP) { 1874274388Smav const struct cam_status_entry *entry; 1875274388Smav 1876274388Smav entry = cam_fetch_status_entry(status); 1877274388Smav printf("%s: CAM error %s (%#x) returned from " 1878274388Smav "cam_periph_alloc()\n", __func__, (entry != NULL) ? 1879274388Smav entry->status_text : "Unknown", status); 1880274388Smav free(softc, M_CTLFE); 1881274388Smav } 1882274388Smav 1883260387Sscottl xpt_path_unlock(path); 1884244016Sken xpt_free_path(path); 1885229997Sken return (0); 1886229997Sken} 1887229997Sken 1888229997Sken/* 1889245228Sken * This will get called when the user removes a LUN to disable that LUN 1890245228Sken * on every bus that is attached to CTL. 1891229997Sken */ 1892229997Skenstatic int 1893284798Smavctlfe_lun_disable(void *arg, int lun_id) 1894229997Sken{ 1895229997Sken struct ctlfe_softc *softc; 1896229997Sken struct ctlfe_lun_softc *lun_softc; 1897229997Sken 1898229997Sken softc = (struct ctlfe_softc *)arg; 1899290776Smav if (softc->hba_misc & PIM_EXTLUNS) 1900290776Smav lun_id = CAM_EXTLUN_BYTE_SWIZZLE(ctl_encode_lun(lun_id)); 1901229997Sken 1902260387Sscottl mtx_lock(&softc->lun_softc_mtx); 1903229997Sken STAILQ_FOREACH(lun_softc, &softc->lun_softc_list, links) { 1904229997Sken struct cam_path *path; 1905229997Sken 1906229997Sken path = lun_softc->periph->path; 1907229997Sken 1908290172Smav if ((xpt_path_target_id(path) == softc->target_id) 1909229997Sken && (xpt_path_lun_id(path) == lun_id)) { 1910229997Sken break; 1911229997Sken } 1912229997Sken } 1913229997Sken if (lun_softc == NULL) { 1914260387Sscottl mtx_unlock(&softc->lun_softc_mtx); 1915284798Smav printf("%s: can't find lun %d\n", __func__, lun_id); 1916229997Sken return (1); 1917229997Sken } 1918260387Sscottl cam_periph_acquire(lun_softc->periph); 1919260387Sscottl mtx_unlock(&softc->lun_softc_mtx); 1920229997Sken 1921260387Sscottl cam_periph_lock(lun_softc->periph); 1922229997Sken cam_periph_invalidate(lun_softc->periph); 1923260387Sscottl cam_periph_unlock(lun_softc->periph); 1924260387Sscottl cam_periph_release(lun_softc->periph); 1925229997Sken return (0); 1926229997Sken} 1927229997Sken 1928229997Skenstatic void 1929229997Skenctlfe_dump_sim(struct cam_sim *sim) 1930229997Sken{ 1931229997Sken 1932229997Sken printf("%s%d: max tagged openings: %d, max dev openings: %d\n", 1933229997Sken sim->sim_name, sim->unit_number, 1934229997Sken sim->max_tagged_dev_openings, sim->max_dev_openings); 1935229997Sken} 1936229997Sken 1937229997Sken/* 1938229997Sken * Assumes that the SIM lock is held. 1939229997Sken */ 1940229997Skenstatic void 1941229997Skenctlfe_dump_queue(struct ctlfe_lun_softc *softc) 1942229997Sken{ 1943229997Sken struct ccb_hdr *hdr; 1944229997Sken struct cam_periph *periph; 1945229997Sken int num_items; 1946229997Sken 1947229997Sken periph = softc->periph; 1948229997Sken num_items = 0; 1949229997Sken 1950229997Sken TAILQ_FOREACH(hdr, &softc->work_queue, periph_links.tqe) { 1951275880Smav union ctl_io *io = hdr->io_ptr; 1952229997Sken 1953229997Sken num_items++; 1954229997Sken 1955229997Sken /* 1956229997Sken * Only regular SCSI I/O is put on the work 1957229997Sken * queue, so we can print sense here. There may be no 1958229997Sken * sense if it's no the queue for a DMA, but this serves to 1959229997Sken * print out the CCB as well. 1960229997Sken * 1961229997Sken * XXX KDM switch this over to scsi_sense_print() when 1962229997Sken * CTL is merged in with CAM. 1963229997Sken */ 1964229997Sken ctl_io_error_print(io, NULL); 1965229997Sken 1966229997Sken /* 1967275880Smav * Print DMA status if we are DMA_QUEUED. 1968229997Sken */ 1969275880Smav if (io->io_hdr.flags & CTL_FLAG_DMA_QUEUED) { 1970275880Smav xpt_print(periph->path, 1971275880Smav "Total %u, Current %u, Resid %u\n", 1972275880Smav io->scsiio.kern_total_len, 1973275880Smav io->scsiio.kern_data_len, 1974275880Smav io->scsiio.kern_data_resid); 1975275880Smav } 1976229997Sken } 1977229997Sken 1978229997Sken xpt_print(periph->path, "%d requests total waiting for CCBs\n", 1979229997Sken num_items); 1980250460Seadler xpt_print(periph->path, "%ju CCBs outstanding (%ju allocated, %ju " 1981229997Sken "freed)\n", (uintmax_t)(softc->ccbs_alloced - 1982229997Sken softc->ccbs_freed), (uintmax_t)softc->ccbs_alloced, 1983229997Sken (uintmax_t)softc->ccbs_freed); 1984229997Sken xpt_print(periph->path, "%ju CTIOs outstanding (%ju sent, %ju " 1985229997Sken "returned\n", (uintmax_t)(softc->ctios_sent - 1986229997Sken softc->ctios_returned), softc->ctios_sent, 1987229997Sken softc->ctios_returned); 1988229997Sken} 1989229997Sken 1990229997Sken/* 1991275880Smav * Datamove/done routine called by CTL. Put ourselves on the queue to 1992275880Smav * receive a CCB from CAM so we can queue the continue I/O request down 1993275880Smav * to the adapter. 1994229997Sken */ 1995229997Skenstatic void 1996275880Smavctlfe_datamove(union ctl_io *io) 1997229997Sken{ 1998275880Smav union ccb *ccb; 1999275880Smav struct cam_periph *periph; 2000229997Sken struct ctlfe_lun_softc *softc; 2001229997Sken 2002275880Smav KASSERT(io->io_hdr.io_type == CTL_IO_SCSI, 2003275880Smav ("Unexpected io_type (%d) in ctlfe_datamove", io->io_hdr.io_type)); 2004229997Sken 2005312585Smav ccb = PRIV_CCB(io); 2006275880Smav periph = xpt_path_periph(ccb->ccb_h.path); 2007275880Smav cam_periph_lock(periph); 2008275880Smav softc = (struct ctlfe_lun_softc *)periph->softc; 2009275880Smav io->io_hdr.flags |= CTL_FLAG_DMA_QUEUED; 2010275880Smav if ((io->io_hdr.status & CTL_STATUS_MASK) != CTL_STATUS_NONE) 2011275880Smav io->io_hdr.flags |= CTL_FLAG_STATUS_QUEUED; 2012275880Smav TAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, 2013275880Smav periph_links.tqe); 2014229997Sken xpt_schedule(periph, /*priority*/ 1); 2015275880Smav cam_periph_unlock(periph); 2016229997Sken} 2017229997Sken 2018229997Skenstatic void 2019275880Smavctlfe_done(union ctl_io *io) 2020229997Sken{ 2021229997Sken union ccb *ccb; 2022229997Sken struct cam_periph *periph; 2023229997Sken struct ctlfe_lun_softc *softc; 2024229997Sken 2025312585Smav ccb = PRIV_CCB(io); 2026229997Sken periph = xpt_path_periph(ccb->ccb_h.path); 2027260387Sscottl cam_periph_lock(periph); 2028229997Sken softc = (struct ctlfe_lun_softc *)periph->softc; 2029229997Sken 2030229997Sken if (io->io_hdr.io_type == CTL_IO_TASK) { 2031229997Sken /* 2032229997Sken * Task management commands don't require any further 2033229997Sken * communication back to the adapter. Requeue the CCB 2034229997Sken * to the adapter, and free the CTL I/O. 2035229997Sken */ 2036229997Sken xpt_print(ccb->ccb_h.path, "%s: returning task I/O " 2037229997Sken "tag %#x seq %#x\n", __func__, 2038229997Sken ccb->cin1.tag_id, ccb->cin1.seq_id); 2039229997Sken /* 2040229997Sken * Send the notify acknowledge down to the SIM, to let it 2041229997Sken * know we processed the task management command. 2042229997Sken */ 2043229997Sken ccb->ccb_h.status = CAM_REQ_INPROG; 2044229997Sken ccb->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE; 2045304417Smav switch (io->taskio.task_status) { 2046304417Smav case CTL_TASK_FUNCTION_COMPLETE: 2047304417Smav ccb->cna2.arg = CAM_RSP_TMF_COMPLETE; 2048304417Smav break; 2049304417Smav case CTL_TASK_FUNCTION_SUCCEEDED: 2050304417Smav ccb->cna2.arg = CAM_RSP_TMF_SUCCEEDED; 2051304417Smav ccb->ccb_h.flags |= CAM_SEND_STATUS; 2052304417Smav break; 2053304417Smav case CTL_TASK_FUNCTION_REJECTED: 2054304417Smav ccb->cna2.arg = CAM_RSP_TMF_REJECTED; 2055304417Smav ccb->ccb_h.flags |= CAM_SEND_STATUS; 2056304417Smav break; 2057304417Smav case CTL_TASK_LUN_DOES_NOT_EXIST: 2058304417Smav ccb->cna2.arg = CAM_RSP_TMF_INCORRECT_LUN; 2059304417Smav ccb->ccb_h.flags |= CAM_SEND_STATUS; 2060304417Smav break; 2061304417Smav case CTL_TASK_FUNCTION_NOT_SUPPORTED: 2062304417Smav ccb->cna2.arg = CAM_RSP_TMF_FAILED; 2063304417Smav ccb->ccb_h.flags |= CAM_SEND_STATUS; 2064304417Smav break; 2065304417Smav } 2066304417Smav ccb->cna2.arg |= scsi_3btoul(io->taskio.task_resp) << 8; 2067229997Sken xpt_action(ccb); 2068275881Smav } else if (io->io_hdr.flags & CTL_FLAG_STATUS_SENT) { 2069275881Smav if (softc->flags & CTLFE_LUN_WILDCARD) { 2070275881Smav ccb->ccb_h.target_id = CAM_TARGET_WILDCARD; 2071275881Smav ccb->ccb_h.target_lun = CAM_LUN_WILDCARD; 2072275881Smav } 2073275881Smav if (periph->flags & CAM_PERIPH_INVALID) { 2074275881Smav ctlfe_free_ccb(periph, ccb); 2075275881Smav } else { 2076275881Smav cam_periph_unlock(periph); 2077275881Smav xpt_action(ccb); 2078275881Smav return; 2079275881Smav } 2080229997Sken } else { 2081275880Smav io->io_hdr.flags |= CTL_FLAG_STATUS_QUEUED; 2082229997Sken TAILQ_INSERT_TAIL(&softc->work_queue, &ccb->ccb_h, 2083229997Sken periph_links.tqe); 2084275880Smav xpt_schedule(periph, /*priority*/ 1); 2085229997Sken } 2086229997Sken 2087260387Sscottl cam_periph_unlock(periph); 2088229997Sken} 2089229997Sken 2090229997Skenstatic void 2091229997Skenctlfe_dump(void) 2092229997Sken{ 2093229997Sken struct ctlfe_softc *bus_softc; 2094275880Smav struct ctlfe_lun_softc *lun_softc; 2095229997Sken 2096229997Sken STAILQ_FOREACH(bus_softc, &ctlfe_softc_list, links) { 2097229997Sken ctlfe_dump_sim(bus_softc->sim); 2098275880Smav STAILQ_FOREACH(lun_softc, &bus_softc->lun_softc_list, links) 2099229997Sken ctlfe_dump_queue(lun_softc); 2100229997Sken } 2101229997Sken} 2102