2 * Copyright (c) 2009 Silicon Graphics International Corp.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions, and the following disclaimer,
10 * without modification.
11 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12 * substantially similar to the "NO WARRANTY" disclaimer below
13 * ("Disclaimer") and any redistribution must be conditioned upon
14 * including a substantially similar Disclaimer requirement for further
15 * binary redistribution.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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28 * POSSIBILITY OF SUCH DAMAGES.
30 * $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl_frontend_cam_sim.c#4 $
33 * CTL frontend to CAM SIM interface. This allows access to CTL LUNs via
34 * the da(4) and pass(4) drivers from inside the system.
36 * Author: Ken Merry <ken@FreeBSD.org>
39 #include <sys/cdefs.h>
40 __FBSDID("$FreeBSD$");
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/kernel.h>
45 #include <sys/types.h>
46 #include <sys/malloc.h>
48 #include <sys/mutex.h>
49 #include <sys/condvar.h>
50 #include <sys/queue.h>
52 #include <sys/sysctl.h>
53 #include <machine/bus.h>
57 #include <cam/cam_ccb.h>
58 #include <cam/cam_sim.h>
59 #include <cam/cam_xpt_sim.h>
60 #include <cam/cam_xpt.h>
61 #include <cam/cam_periph.h>
62 #include <cam/scsi/scsi_all.h>
63 #include <cam/scsi/scsi_message.h>
64 #include <cam/ctl/ctl_io.h>
65 #include <cam/ctl/ctl.h>
66 #include <cam/ctl/ctl_frontend.h>
67 #include <cam/ctl/ctl_frontend_internal.h>
68 #include <cam/ctl/ctl_debug.h>
70 #define io_ptr spriv_ptr1
77 struct ctl_frontend fe;
80 struct cam_devq *devq;
81 struct cam_path *path;
91 * We can't handle CCBs with these flags. For the most part, we just don't
92 * handle physical addresses yet. That would require mapping things in
93 * order to do the copy.
95 #define CFCS_BAD_CCB_FLAGS (CAM_DATA_ISPHYS | CAM_MSG_BUF_PHYS | \
96 CAM_SNS_BUF_PHYS | CAM_CDB_PHYS | CAM_SENSE_PTR | \
100 void cfcs_shutdown(void);
101 static void cfcs_poll(struct cam_sim *sim);
102 static void cfcs_online(void *arg);
103 static void cfcs_offline(void *arg);
104 static int cfcs_targ_enable(void *arg, struct ctl_id targ_id);
105 static int cfcs_targ_disable(void *arg, struct ctl_id targ_id);
106 static int cfcs_lun_enable(void *arg, struct ctl_id target_id, int lun_id);
107 static int cfcs_lun_disable(void *arg, struct ctl_id target_id, int lun_id);
108 static void cfcs_datamove(union ctl_io *io);
109 static void cfcs_done(union ctl_io *io);
110 void cfcs_action(struct cam_sim *sim, union ccb *ccb);
111 static void cfcs_async(void *callback_arg, uint32_t code,
112 struct cam_path *path, void *arg);
114 struct cfcs_softc cfcs_softc;
116 * This is primarly intended to allow for error injection to test the CAM
117 * sense data and sense residual handling code. This sets the maximum
118 * amount of SCSI sense data that we will report to CAM.
120 static int cfcs_max_sense = sizeof(struct scsi_sense_data);
121 extern int ctl_disable;
123 SYSCTL_NODE(_kern_cam, OID_AUTO, ctl2cam, CTLFLAG_RD, 0,
124 "CAM Target Layer SIM frontend");
125 SYSCTL_INT(_kern_cam_ctl2cam, OID_AUTO, max_sense, CTLFLAG_RW,
126 &cfcs_max_sense, 0, "Maximum sense data size");
128 static int cfcs_module_event_handler(module_t, int /*modeventtype_t*/, void *);
130 static moduledata_t cfcs_moduledata = {
132 cfcs_module_event_handler,
136 DECLARE_MODULE(ctlcfcs, cfcs_moduledata, SI_SUB_CONFIGURE, SI_ORDER_FOURTH);
137 MODULE_VERSION(ctlcfcs, 1);
138 MODULE_DEPEND(ctlcfi, ctl, 1, 1, 1);
139 MODULE_DEPEND(ctlcfi, cam, 1, 1, 1);
144 struct cfcs_softc *softc;
145 struct ccb_setasync csa;
146 struct ctl_frontend *fe;
152 /* Don't continue if CTL is disabled */
153 if (ctl_disable != 0)
158 bzero(softc, sizeof(*softc));
159 sprintf(softc->lock_desc, "ctl2cam");
160 mtx_init(&softc->lock, softc->lock_desc, NULL, MTX_DEF);
163 fe->port_type = CTL_PORT_INTERNAL;
164 /* XXX KDM what should the real number be here? */
165 fe->num_requested_ctl_io = 4096;
166 snprintf(softc->port_name, sizeof(softc->port_name), "ctl2cam");
167 fe->port_name = softc->port_name;
168 fe->port_online = cfcs_online;
169 fe->port_offline = cfcs_offline;
170 fe->onoff_arg = softc;
171 fe->targ_enable = cfcs_targ_enable;
172 fe->targ_disable = cfcs_targ_disable;
173 fe->lun_enable = cfcs_lun_enable;
174 fe->lun_disable = cfcs_lun_disable;
175 fe->targ_lun_arg = softc;
176 fe->fe_datamove = cfcs_datamove;
177 fe->fe_done = cfcs_done;
179 /* XXX KDM what should we report here? */
180 /* XXX These should probably be fetched from CTL. */
182 fe->max_target_id = 15;
184 retval = ctl_frontend_register(fe, /*master_SC*/ 1);
186 printf("%s: ctl_frontend_register() failed with error %d!\n",
188 mtx_destroy(&softc->lock);
193 * Get the WWNN out of the database, and create a WWPN as well.
196 ddb_GetWWNN((char *)wwnn);
197 softc->wwnn = be64dec(wwnn);
198 softc->wwpn = softc->wwnn + (softc->fe.targ_port & 0xff);
202 * If the CTL frontend didn't tell us what our WWNN/WWPN is, go
203 * ahead and set something random.
206 uint64_t random_bits;
208 arc4rand(&random_bits, sizeof(random_bits), 0);
209 softc->wwnn = (random_bits & 0x0000000fffffff00ULL) |
210 /* Company ID */ 0x5000000000000000ULL |
211 /* NL-Port */ 0x0300;
212 softc->wwpn = softc->wwnn + fe->targ_port + 1;
213 fe->wwnn = softc->wwnn;
214 fe->wwpn = softc->wwpn;
216 softc->wwnn = fe->wwnn;
217 softc->wwpn = fe->wwpn;
220 mtx_lock(&softc->lock);
221 softc->devq = cam_simq_alloc(fe->num_requested_ctl_io);
222 if (softc->devq == NULL) {
223 printf("%s: error allocating devq\n", __func__);
228 softc->sim = cam_sim_alloc(cfcs_action, cfcs_poll, softc->port_name,
229 softc, /*unit*/ 0, &softc->lock, 1,
230 fe->num_requested_ctl_io, softc->devq);
231 if (softc->sim == NULL) {
232 printf("%s: error allocating SIM\n", __func__);
237 if (xpt_bus_register(softc->sim, NULL, 0) != CAM_SUCCESS) {
238 printf("%s: error registering SIM\n", __func__);
243 if (xpt_create_path(&softc->path, /*periph*/NULL,
244 cam_sim_path(softc->sim),
246 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
247 printf("%s: error creating path\n", __func__);
248 xpt_bus_deregister(cam_sim_path(softc->sim));
253 xpt_setup_ccb(&csa.ccb_h, softc->path, CAM_PRIORITY_NONE);
254 csa.ccb_h.func_code = XPT_SASYNC_CB;
255 csa.event_enable = AC_LOST_DEVICE;
256 csa.callback = cfcs_async;
257 csa.callback_arg = softc->sim;
258 xpt_action((union ccb *)&csa);
260 mtx_unlock(&softc->lock);
266 cam_sim_free(softc->sim, /*free_devq*/ TRUE);
267 else if (softc->devq)
268 cam_simq_free(softc->devq);
269 mtx_unlock(&softc->lock);
270 mtx_destroy(&softc->lock);
276 cfcs_poll(struct cam_sim *sim)
288 cfcs_module_event_handler(module_t mod, int what, void *arg)
293 return (cfcs_init());
302 cfcs_onoffline(void *arg, int online)
304 struct cfcs_softc *softc;
307 softc = (struct cfcs_softc *)arg;
309 mtx_lock(&softc->lock);
310 softc->online = online;
312 ccb = xpt_alloc_ccb_nowait();
314 printf("%s: unable to allocate CCB for rescan\n", __func__);
318 if (xpt_create_path(&ccb->ccb_h.path, NULL,
319 cam_sim_path(softc->sim), CAM_TARGET_WILDCARD,
320 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
321 printf("%s: can't allocate path for rescan\n", __func__);
328 mtx_unlock(&softc->lock);
332 cfcs_online(void *arg)
334 cfcs_onoffline(arg, /*online*/ 1);
338 cfcs_offline(void *arg)
340 cfcs_onoffline(arg, /*online*/ 0);
344 cfcs_targ_enable(void *arg, struct ctl_id targ_id)
350 cfcs_targ_disable(void *arg, struct ctl_id targ_id)
356 cfcs_lun_enable(void *arg, struct ctl_id target_id, int lun_id)
361 cfcs_lun_disable(void *arg, struct ctl_id target_id, int lun_id)
367 * This function is very similar to ctl_ioctl_do_datamove(). Is there a
368 * way to combine the functionality?
370 * XXX KDM may need to move this into a thread. We're doing a bcopy in the
371 * caller's context, which will usually be the backend. That may not be a
375 cfcs_datamove(union ctl_io *io)
378 bus_dma_segment_t cam_sg_entry, *cam_sglist;
379 struct ctl_sg_entry ctl_sg_entry, *ctl_sglist;
380 int cam_sg_count, ctl_sg_count, cam_sg_start;
382 int len_to_copy, len_copied;
383 int ctl_watermark, cam_watermark;
390 ccb = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr;
393 * Note that we have a check in cfcs_action() to make sure that any
394 * CCBs with "bad" flags are returned with CAM_REQ_INVALID. This
395 * is just to make sure no one removes that check without updating
396 * this code to provide the additional functionality necessary to
397 * support those modes of operation.
399 KASSERT(((ccb->ccb_h.flags & CFCS_BAD_CCB_FLAGS) == 0), ("invalid "
400 "CAM flags %#x", (ccb->ccb_h.flags & CFCS_BAD_CCB_FLAGS)));
403 * Simplify things on both sides by putting single buffers into a
404 * single entry S/G list.
406 switch ((ccb->ccb_h.flags & CAM_DATA_MASK)) {
410 cam_sglist = (bus_dma_segment_t *)ccb->csio.data_ptr;
411 cam_sg_count = ccb->csio.sglist_cnt;
413 for (i = 0, len_seen = 0; i < cam_sg_count; i++) {
414 if ((len_seen + cam_sglist[i].ds_len) >=
415 io->scsiio.kern_rel_offset) {
417 cam_sg_offset = io->scsiio.kern_rel_offset -
421 len_seen += cam_sglist[i].ds_len;
426 cam_sglist = &cam_sg_entry;
427 cam_sglist[0].ds_len = ccb->csio.dxfer_len;
428 cam_sglist[0].ds_addr = (bus_addr_t)ccb->csio.data_ptr;
431 cam_sg_offset = io->scsiio.kern_rel_offset;
434 panic("Invalid CAM flags %#x", ccb->ccb_h.flags);
437 if (io->scsiio.kern_sg_entries > 0) {
438 ctl_sglist = (struct ctl_sg_entry *)io->scsiio.kern_data_ptr;
439 ctl_sg_count = io->scsiio.kern_sg_entries;
441 ctl_sglist = &ctl_sg_entry;
442 ctl_sglist->addr = io->scsiio.kern_data_ptr;
443 ctl_sglist->len = io->scsiio.kern_data_len;
448 cam_watermark = cam_sg_offset;
450 for (i = cam_sg_start, j = 0;
451 i < cam_sg_count && j < ctl_sg_count;) {
452 uint8_t *cam_ptr, *ctl_ptr;
454 len_to_copy = ctl_min(cam_sglist[i].ds_len - cam_watermark,
455 ctl_sglist[j].len - ctl_watermark);
457 cam_ptr = (uint8_t *)cam_sglist[i].ds_addr;
458 cam_ptr = cam_ptr + cam_watermark;
459 if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) {
463 panic("need to implement bus address support");
465 kern_ptr = bus_to_virt(kern_sglist[j].addr);
468 ctl_ptr = (uint8_t *)ctl_sglist[j].addr;
469 ctl_ptr = ctl_ptr + ctl_watermark;
471 ctl_watermark += len_to_copy;
472 cam_watermark += len_to_copy;
474 if ((io->io_hdr.flags & CTL_FLAG_DATA_MASK) ==
476 CTL_DEBUG_PRINT(("%s: copying %d bytes to CAM\n",
477 __func__, len_to_copy));
478 CTL_DEBUG_PRINT(("%s: from %p to %p\n", ctl_ptr,
480 bcopy(ctl_ptr, cam_ptr, len_to_copy);
482 CTL_DEBUG_PRINT(("%s: copying %d bytes from CAM\n",
483 __func__, len_to_copy));
484 CTL_DEBUG_PRINT(("%s: from %p to %p\n", cam_ptr,
486 bcopy(cam_ptr, ctl_ptr, len_to_copy);
489 len_copied += len_to_copy;
491 if (cam_sglist[i].ds_len == cam_watermark) {
496 if (ctl_sglist[j].len == ctl_watermark) {
502 io->scsiio.ext_data_filled += len_copied;
504 io->scsiio.be_move_done(io);
508 cfcs_done(union ctl_io *io)
511 struct cfcs_softc *softc;
514 ccb = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr;
516 sim = xpt_path_sim(ccb->ccb_h.path);
517 softc = (struct cfcs_softc *)cam_sim_softc(sim);
520 * At this point we should have status. If we don't, that's a bug.
522 KASSERT(((io->io_hdr.status & CTL_STATUS_MASK) != CTL_STATUS_NONE),
523 ("invalid CTL status %#x", io->io_hdr.status));
526 * Translate CTL status to CAM status.
528 switch (io->io_hdr.status & CTL_STATUS_MASK) {
530 ccb->ccb_h.status = CAM_REQ_CMP;
533 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
534 ccb->csio.scsi_status = io->scsiio.scsi_status;
535 bcopy(&io->scsiio.sense_data, &ccb->csio.sense_data,
536 min(io->scsiio.sense_len, ccb->csio.sense_len));
537 if (ccb->csio.sense_len > io->scsiio.sense_len)
538 ccb->csio.sense_resid = ccb->csio.sense_len -
539 io->scsiio.sense_len;
541 ccb->csio.sense_resid = 0;
542 if ((ccb->csio.sense_len - ccb->csio.sense_resid) >
544 ccb->csio.sense_resid = ccb->csio.sense_len -
548 case CTL_CMD_ABORTED:
549 ccb->ccb_h.status = CAM_REQ_ABORTED;
553 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
559 mtx_unlock(sim->mtx);
565 cfcs_action(struct cam_sim *sim, union ccb *ccb)
567 struct cfcs_softc *softc;
570 softc = (struct cfcs_softc *)cam_sim_softc(sim);
571 mtx_assert(&softc->lock, MA_OWNED);
573 switch (ccb->ccb_h.func_code) {
576 struct ccb_scsiio *csio;
581 * Catch CCB flags, like physical address flags, that
582 * indicate situations we currently can't handle.
584 if (ccb->ccb_h.flags & CFCS_BAD_CCB_FLAGS) {
585 ccb->ccb_h.status = CAM_REQ_INVALID;
586 printf("%s: bad CCB flags %#x (all flags %#x)\n",
587 __func__, ccb->ccb_h.flags & CFCS_BAD_CCB_FLAGS,
594 * If we aren't online, there are no devices to see.
596 if (softc->online == 0) {
597 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
602 io = ctl_alloc_io(softc->fe.ctl_pool_ref);
604 printf("%s: can't allocate ctl_io\n", __func__);
605 ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN;
606 xpt_freeze_devq(ccb->ccb_h.path, 1);
611 /* Save pointers on both sides */
612 io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = ccb;
613 ccb->ccb_h.io_ptr = io;
616 * Only SCSI I/O comes down this path, resets, etc. come
617 * down via the XPT_RESET_BUS/LUN CCBs below.
619 io->io_hdr.io_type = CTL_IO_SCSI;
620 io->io_hdr.nexus.initid.id = 1;
621 io->io_hdr.nexus.targ_port = softc->fe.targ_port;
623 * XXX KDM how do we handle target IDs?
625 io->io_hdr.nexus.targ_target.id = ccb->ccb_h.target_id;
626 io->io_hdr.nexus.targ_lun = ccb->ccb_h.target_lun;
628 * This tag scheme isn't the best, since we could in theory
629 * have a very long-lived I/O and tag collision, especially
630 * in a high I/O environment. But it should work well
631 * enough for now. Since we're using unsigned ints,
632 * they'll just wrap around.
634 io->scsiio.tag_num = softc->cur_tag_num++;
635 csio->tag_id = io->scsiio.tag_num;
636 switch (csio->tag_action) {
637 case CAM_TAG_ACTION_NONE:
638 io->scsiio.tag_type = CTL_TAG_UNTAGGED;
640 case MSG_SIMPLE_TASK:
641 io->scsiio.tag_type = CTL_TAG_SIMPLE;
643 case MSG_HEAD_OF_QUEUE_TASK:
644 io->scsiio.tag_type = CTL_TAG_HEAD_OF_QUEUE;
646 case MSG_ORDERED_TASK:
647 io->scsiio.tag_type = CTL_TAG_ORDERED;
650 io->scsiio.tag_type = CTL_TAG_ACA;
653 io->scsiio.tag_type = CTL_TAG_UNTAGGED;
654 printf("%s: unhandled tag type %#x!!\n", __func__,
658 if (csio->cdb_len > sizeof(io->scsiio.cdb)) {
659 printf("%s: WARNING: CDB len %d > ctl_io space %zd\n",
660 __func__, csio->cdb_len, sizeof(io->scsiio.cdb));
662 io->scsiio.cdb_len = min(csio->cdb_len, sizeof(io->scsiio.cdb));
663 bcopy(csio->cdb_io.cdb_bytes, io->scsiio.cdb,
667 if (err != CTL_RETVAL_COMPLETE) {
668 printf("%s: func %d: error %d returned by "
669 "ctl_queue()!\n", __func__,
670 ccb->ccb_h.func_code, err);
673 ccb->ccb_h.status |= CAM_SIM_QUEUED;
679 union ccb *abort_ccb;
681 abort_ccb = ccb->cab.abort_ccb;
683 if (abort_ccb->ccb_h.func_code != XPT_SCSI_IO) {
684 ccb->ccb_h.status = CAM_REQ_INVALID;
689 * If we aren't online, there are no devices to talk to.
691 if (softc->online == 0) {
692 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
697 io = ctl_alloc_io(softc->fe.ctl_pool_ref);
699 ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN;
700 xpt_freeze_devq(ccb->ccb_h.path, 1);
706 /* Save pointers on both sides */
707 io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = ccb;
708 ccb->ccb_h.io_ptr = io;
710 io->io_hdr.io_type = CTL_IO_TASK;
711 io->io_hdr.nexus.initid.id = 1;
712 io->io_hdr.nexus.targ_port = softc->fe.targ_port;
713 io->io_hdr.nexus.targ_target.id = ccb->ccb_h.target_id;
714 io->io_hdr.nexus.targ_lun = ccb->ccb_h.target_lun;
715 io->taskio.task_action = CTL_TASK_ABORT_TASK;
716 io->taskio.tag_num = abort_ccb->csio.tag_id;
717 switch (abort_ccb->csio.tag_action) {
718 case CAM_TAG_ACTION_NONE:
719 io->taskio.tag_type = CTL_TAG_UNTAGGED;
721 case MSG_SIMPLE_TASK:
722 io->taskio.tag_type = CTL_TAG_SIMPLE;
724 case MSG_HEAD_OF_QUEUE_TASK:
725 io->taskio.tag_type = CTL_TAG_HEAD_OF_QUEUE;
727 case MSG_ORDERED_TASK:
728 io->taskio.tag_type = CTL_TAG_ORDERED;
731 io->taskio.tag_type = CTL_TAG_ACA;
734 io->taskio.tag_type = CTL_TAG_UNTAGGED;
735 printf("%s: unhandled tag type %#x!!\n", __func__,
736 abort_ccb->csio.tag_action);
740 if (err != CTL_RETVAL_COMPLETE) {
741 printf("%s func %d: error %d returned by "
742 "ctl_queue()!\n", __func__,
743 ccb->ccb_h.func_code, err);
748 case XPT_GET_TRAN_SETTINGS: {
749 struct ccb_trans_settings *cts;
750 struct ccb_trans_settings_scsi *scsi;
751 struct ccb_trans_settings_fc *fc;
754 scsi = &cts->proto_specific.scsi;
755 fc = &cts->xport_specific.fc;
758 cts->protocol = PROTO_SCSI;
759 cts->protocol_version = SCSI_REV_SPC2;
760 cts->transport = XPORT_FC;
761 cts->transport_version = 0;
763 scsi->valid = CTS_SCSI_VALID_TQ;
764 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
765 fc->valid = CTS_FC_VALID_SPEED;
766 fc->bitrate = 800000;
767 fc->wwnn = softc->wwnn;
768 fc->wwpn = softc->wwpn;
769 fc->port = softc->fe.targ_port;
770 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN |
772 ccb->ccb_h.status = CAM_REQ_CMP;
775 case XPT_SET_TRAN_SETTINGS:
776 /* XXX KDM should we actually do something here? */
777 ccb->ccb_h.status = CAM_REQ_CMP;
780 case XPT_RESET_DEV: {
784 * If we aren't online, there are no devices to talk to.
786 if (softc->online == 0) {
787 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
792 io = ctl_alloc_io(softc->fe.ctl_pool_ref);
794 ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN;
795 xpt_freeze_devq(ccb->ccb_h.path, 1);
801 /* Save pointers on both sides */
802 io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = ccb;
803 ccb->ccb_h.io_ptr = io;
805 io->io_hdr.io_type = CTL_IO_TASK;
806 io->io_hdr.nexus.initid.id = 0;
807 io->io_hdr.nexus.targ_port = softc->fe.targ_port;
808 io->io_hdr.nexus.targ_target.id = ccb->ccb_h.target_id;
809 io->io_hdr.nexus.targ_lun = ccb->ccb_h.target_lun;
810 if (ccb->ccb_h.func_code == XPT_RESET_BUS)
811 io->taskio.task_action = CTL_TASK_BUS_RESET;
813 io->taskio.task_action = CTL_TASK_LUN_RESET;
816 if (err != CTL_RETVAL_COMPLETE) {
817 printf("%s func %d: error %d returned by "
818 "ctl_queue()!\n", __func__,
819 ccb->ccb_h.func_code, err);
824 case XPT_CALC_GEOMETRY:
825 cam_calc_geometry(&ccb->ccg, 1);
829 struct ccb_pathinq *cpi;
833 cpi->version_num = 0;
834 cpi->hba_inquiry = PI_TAG_ABLE;
835 cpi->target_sprt = 0;
837 cpi->hba_eng_cnt = 0;
840 /* Do we really have a limit? */
841 cpi->maxio = 1024 * 1024;
842 cpi->async_flags = 0;
844 cpi->initiator_id = 0;
846 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
847 strncpy(cpi->hba_vid, "FreeBSD", HBA_IDLEN);
848 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
849 cpi->unit_number = 0;
851 cpi->base_transfer_speed = 800000;
852 cpi->protocol = PROTO_SCSI;
853 cpi->protocol_version = SCSI_REV_SPC2;
855 * Pretend to be Fibre Channel.
857 cpi->transport = XPORT_FC;
858 cpi->transport_version = 0;
859 cpi->xport_specific.fc.wwnn = softc->wwnn;
860 cpi->xport_specific.fc.wwpn = softc->wwpn;
861 cpi->xport_specific.fc.port = softc->fe.targ_port;
862 cpi->xport_specific.fc.bitrate = 8 * 1000 * 1000;
863 cpi->ccb_h.status = CAM_REQ_CMP;
867 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
868 printf("%s: unsupported CCB type %#x\n", __func__,
869 ccb->ccb_h.func_code);
876 cfcs_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg)