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
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23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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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_debug.h>
69 #define io_ptr spriv_ptr1
79 struct cam_devq *devq;
80 struct cam_path *path;
89 * We can't handle CCBs with these flags. For the most part, we just don't
90 * handle physical addresses yet. That would require mapping things in
91 * order to do the copy.
93 #define CFCS_BAD_CCB_FLAGS (CAM_DATA_ISPHYS | CAM_MSG_BUF_PHYS | \
94 CAM_SNS_BUF_PHYS | CAM_CDB_PHYS | CAM_SENSE_PTR | \
98 static void cfcs_poll(struct cam_sim *sim);
99 static void cfcs_online(void *arg);
100 static void cfcs_offline(void *arg);
101 static void cfcs_datamove(union ctl_io *io);
102 static void cfcs_done(union ctl_io *io);
103 void cfcs_action(struct cam_sim *sim, union ccb *ccb);
104 static void cfcs_async(void *callback_arg, uint32_t code,
105 struct cam_path *path, void *arg);
107 struct cfcs_softc cfcs_softc;
109 * This is primarily intended to allow for error injection to test the CAM
110 * sense data and sense residual handling code. This sets the maximum
111 * amount of SCSI sense data that we will report to CAM.
113 static int cfcs_max_sense = sizeof(struct scsi_sense_data);
115 SYSCTL_NODE(_kern_cam, OID_AUTO, ctl2cam, CTLFLAG_RD, 0,
116 "CAM Target Layer SIM frontend");
117 SYSCTL_INT(_kern_cam_ctl2cam, OID_AUTO, max_sense, CTLFLAG_RW,
118 &cfcs_max_sense, 0, "Maximum sense data size");
120 static struct ctl_frontend cfcs_frontend =
125 CTL_FRONTEND_DECLARE(ctlcfcs, cfcs_frontend);
130 struct cfcs_softc *softc;
131 struct ccb_setasync csa;
132 struct ctl_port *port;
136 bzero(softc, sizeof(*softc));
137 mtx_init(&softc->lock, "ctl2cam", NULL, MTX_DEF);
140 port->frontend = &cfcs_frontend;
141 port->port_type = CTL_PORT_INTERNAL;
142 /* XXX KDM what should the real number be here? */
143 port->num_requested_ctl_io = 4096;
144 snprintf(softc->port_name, sizeof(softc->port_name), "camsim");
145 port->port_name = softc->port_name;
146 port->port_online = cfcs_online;
147 port->port_offline = cfcs_offline;
148 port->onoff_arg = softc;
149 port->fe_datamove = cfcs_datamove;
150 port->fe_done = cfcs_done;
152 /* XXX KDM what should we report here? */
153 /* XXX These should probably be fetched from CTL. */
154 port->max_targets = 1;
155 port->max_target_id = 15;
156 port->targ_port = -1;
158 retval = ctl_port_register(port);
160 printf("%s: ctl_port_register() failed with error %d!\n",
162 mtx_destroy(&softc->lock);
167 * If the CTL frontend didn't tell us what our WWNN/WWPN is, go
168 * ahead and set something random.
170 if (port->wwnn == 0) {
171 uint64_t random_bits;
173 arc4rand(&random_bits, sizeof(random_bits), 0);
174 softc->wwnn = (random_bits & 0x0000000fffffff00ULL) |
175 /* Company ID */ 0x5000000000000000ULL |
176 /* NL-Port */ 0x0300;
177 softc->wwpn = softc->wwnn + port->targ_port + 1;
178 ctl_port_set_wwns(port, true, softc->wwnn, true, softc->wwpn);
180 softc->wwnn = port->wwnn;
181 softc->wwpn = port->wwpn;
184 mtx_lock(&softc->lock);
185 softc->devq = cam_simq_alloc(port->num_requested_ctl_io);
186 if (softc->devq == NULL) {
187 printf("%s: error allocating devq\n", __func__);
192 softc->sim = cam_sim_alloc(cfcs_action, cfcs_poll, softc->port_name,
193 softc, /*unit*/ 0, &softc->lock, 1,
194 port->num_requested_ctl_io, softc->devq);
195 if (softc->sim == NULL) {
196 printf("%s: error allocating SIM\n", __func__);
201 if (xpt_bus_register(softc->sim, NULL, 0) != CAM_SUCCESS) {
202 printf("%s: error registering SIM\n", __func__);
207 if (xpt_create_path(&softc->path, /*periph*/NULL,
208 cam_sim_path(softc->sim),
210 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
211 printf("%s: error creating path\n", __func__);
212 xpt_bus_deregister(cam_sim_path(softc->sim));
217 xpt_setup_ccb(&csa.ccb_h, softc->path, CAM_PRIORITY_NONE);
218 csa.ccb_h.func_code = XPT_SASYNC_CB;
219 csa.event_enable = AC_LOST_DEVICE;
220 csa.callback = cfcs_async;
221 csa.callback_arg = softc->sim;
222 xpt_action((union ccb *)&csa);
224 mtx_unlock(&softc->lock);
230 cam_sim_free(softc->sim, /*free_devq*/ TRUE);
231 else if (softc->devq)
232 cam_simq_free(softc->devq);
233 mtx_unlock(&softc->lock);
234 mtx_destroy(&softc->lock);
240 cfcs_poll(struct cam_sim *sim)
246 cfcs_onoffline(void *arg, int online)
248 struct cfcs_softc *softc;
251 softc = (struct cfcs_softc *)arg;
253 mtx_lock(&softc->lock);
254 softc->online = online;
256 ccb = xpt_alloc_ccb_nowait();
258 printf("%s: unable to allocate CCB for rescan\n", __func__);
262 if (xpt_create_path(&ccb->ccb_h.path, NULL,
263 cam_sim_path(softc->sim), CAM_TARGET_WILDCARD,
264 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
265 printf("%s: can't allocate path for rescan\n", __func__);
272 mtx_unlock(&softc->lock);
276 cfcs_online(void *arg)
278 cfcs_onoffline(arg, /*online*/ 1);
282 cfcs_offline(void *arg)
284 cfcs_onoffline(arg, /*online*/ 0);
288 * This function is very similar to ctl_ioctl_do_datamove(). Is there a
289 * way to combine the functionality?
291 * XXX KDM may need to move this into a thread. We're doing a bcopy in the
292 * caller's context, which will usually be the backend. That may not be a
296 cfcs_datamove(union ctl_io *io)
299 bus_dma_segment_t cam_sg_entry, *cam_sglist;
300 struct ctl_sg_entry ctl_sg_entry, *ctl_sglist;
301 int cam_sg_count, ctl_sg_count, cam_sg_start;
303 int len_to_copy, len_copied;
304 int ctl_watermark, cam_watermark;
311 ccb = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr;
314 * Note that we have a check in cfcs_action() to make sure that any
315 * CCBs with "bad" flags are returned with CAM_REQ_INVALID. This
316 * is just to make sure no one removes that check without updating
317 * this code to provide the additional functionality necessary to
318 * support those modes of operation.
320 KASSERT(((ccb->ccb_h.flags & CFCS_BAD_CCB_FLAGS) == 0), ("invalid "
321 "CAM flags %#x", (ccb->ccb_h.flags & CFCS_BAD_CCB_FLAGS)));
324 * Simplify things on both sides by putting single buffers into a
325 * single entry S/G list.
327 switch ((ccb->ccb_h.flags & CAM_DATA_MASK)) {
331 cam_sglist = (bus_dma_segment_t *)ccb->csio.data_ptr;
332 cam_sg_count = ccb->csio.sglist_cnt;
334 for (i = 0, len_seen = 0; i < cam_sg_count; i++) {
335 if ((len_seen + cam_sglist[i].ds_len) >=
336 io->scsiio.kern_rel_offset) {
338 cam_sg_offset = io->scsiio.kern_rel_offset -
342 len_seen += cam_sglist[i].ds_len;
347 cam_sglist = &cam_sg_entry;
348 cam_sglist[0].ds_len = ccb->csio.dxfer_len;
349 cam_sglist[0].ds_addr = (bus_addr_t)ccb->csio.data_ptr;
352 cam_sg_offset = io->scsiio.kern_rel_offset;
355 panic("Invalid CAM flags %#x", ccb->ccb_h.flags);
358 if (io->scsiio.kern_sg_entries > 0) {
359 ctl_sglist = (struct ctl_sg_entry *)io->scsiio.kern_data_ptr;
360 ctl_sg_count = io->scsiio.kern_sg_entries;
362 ctl_sglist = &ctl_sg_entry;
363 ctl_sglist->addr = io->scsiio.kern_data_ptr;
364 ctl_sglist->len = io->scsiio.kern_data_len;
369 cam_watermark = cam_sg_offset;
371 for (i = cam_sg_start, j = 0;
372 i < cam_sg_count && j < ctl_sg_count;) {
373 uint8_t *cam_ptr, *ctl_ptr;
375 len_to_copy = MIN(cam_sglist[i].ds_len - cam_watermark,
376 ctl_sglist[j].len - ctl_watermark);
378 cam_ptr = (uint8_t *)cam_sglist[i].ds_addr;
379 cam_ptr = cam_ptr + cam_watermark;
380 if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) {
384 panic("need to implement bus address support");
386 kern_ptr = bus_to_virt(kern_sglist[j].addr);
389 ctl_ptr = (uint8_t *)ctl_sglist[j].addr;
390 ctl_ptr = ctl_ptr + ctl_watermark;
392 ctl_watermark += len_to_copy;
393 cam_watermark += len_to_copy;
395 if ((io->io_hdr.flags & CTL_FLAG_DATA_MASK) ==
397 CTL_DEBUG_PRINT(("%s: copying %d bytes to CAM\n",
398 __func__, len_to_copy));
399 CTL_DEBUG_PRINT(("%s: from %p to %p\n", ctl_ptr,
401 bcopy(ctl_ptr, cam_ptr, len_to_copy);
403 CTL_DEBUG_PRINT(("%s: copying %d bytes from CAM\n",
404 __func__, len_to_copy));
405 CTL_DEBUG_PRINT(("%s: from %p to %p\n", cam_ptr,
407 bcopy(cam_ptr, ctl_ptr, len_to_copy);
410 len_copied += len_to_copy;
412 if (cam_sglist[i].ds_len == cam_watermark) {
417 if (ctl_sglist[j].len == ctl_watermark) {
423 io->scsiio.ext_data_filled += len_copied;
425 if ((io->io_hdr.status & CTL_STATUS_MASK) == CTL_SUCCESS) {
426 io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = NULL;
427 io->io_hdr.flags |= CTL_FLAG_STATUS_SENT;
428 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
429 ccb->ccb_h.status |= CAM_REQ_CMP;
433 io->scsiio.be_move_done(io);
437 cfcs_done(union ctl_io *io)
441 ccb = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr;
448 * At this point we should have status. If we don't, that's a bug.
450 KASSERT(((io->io_hdr.status & CTL_STATUS_MASK) != CTL_STATUS_NONE),
451 ("invalid CTL status %#x", io->io_hdr.status));
454 * Translate CTL status to CAM status.
456 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
457 switch (io->io_hdr.status & CTL_STATUS_MASK) {
459 ccb->ccb_h.status |= CAM_REQ_CMP;
462 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
463 ccb->csio.scsi_status = io->scsiio.scsi_status;
464 bcopy(&io->scsiio.sense_data, &ccb->csio.sense_data,
465 min(io->scsiio.sense_len, ccb->csio.sense_len));
466 if (ccb->csio.sense_len > io->scsiio.sense_len)
467 ccb->csio.sense_resid = ccb->csio.sense_len -
468 io->scsiio.sense_len;
470 ccb->csio.sense_resid = 0;
471 if ((ccb->csio.sense_len - ccb->csio.sense_resid) >
473 ccb->csio.sense_resid = ccb->csio.sense_len -
477 case CTL_CMD_ABORTED:
478 ccb->ccb_h.status |= CAM_REQ_ABORTED;
482 ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
485 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP &&
486 (ccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
487 xpt_freeze_devq(ccb->ccb_h.path, 1);
488 ccb->ccb_h.status |= CAM_DEV_QFRZN;
495 cfcs_action(struct cam_sim *sim, union ccb *ccb)
497 struct cfcs_softc *softc;
500 softc = (struct cfcs_softc *)cam_sim_softc(sim);
501 mtx_assert(&softc->lock, MA_OWNED);
503 switch (ccb->ccb_h.func_code) {
506 struct ccb_scsiio *csio;
511 * Catch CCB flags, like physical address flags, that
512 * indicate situations we currently can't handle.
514 if (ccb->ccb_h.flags & CFCS_BAD_CCB_FLAGS) {
515 ccb->ccb_h.status = CAM_REQ_INVALID;
516 printf("%s: bad CCB flags %#x (all flags %#x)\n",
517 __func__, ccb->ccb_h.flags & CFCS_BAD_CCB_FLAGS,
524 * If we aren't online, there are no devices to see.
526 if (softc->online == 0) {
527 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
532 io = ctl_alloc_io_nowait(softc->port.ctl_pool_ref);
534 printf("%s: can't allocate ctl_io\n", __func__);
535 ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN;
536 xpt_freeze_devq(ccb->ccb_h.path, 1);
541 /* Save pointers on both sides */
542 io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = ccb;
543 ccb->ccb_h.io_ptr = io;
546 * Only SCSI I/O comes down this path, resets, etc. come
547 * down via the XPT_RESET_BUS/LUN CCBs below.
549 io->io_hdr.io_type = CTL_IO_SCSI;
550 io->io_hdr.nexus.initid = 1;
551 io->io_hdr.nexus.targ_port = softc->port.targ_port;
552 io->io_hdr.nexus.targ_lun = ctl_decode_lun(
553 CAM_EXTLUN_BYTE_SWIZZLE(ccb->ccb_h.target_lun));
555 * This tag scheme isn't the best, since we could in theory
556 * have a very long-lived I/O and tag collision, especially
557 * in a high I/O environment. But it should work well
558 * enough for now. Since we're using unsigned ints,
559 * they'll just wrap around.
561 io->scsiio.tag_num = softc->cur_tag_num++;
562 csio->tag_id = io->scsiio.tag_num;
563 switch (csio->tag_action) {
564 case CAM_TAG_ACTION_NONE:
565 io->scsiio.tag_type = CTL_TAG_UNTAGGED;
567 case MSG_SIMPLE_TASK:
568 io->scsiio.tag_type = CTL_TAG_SIMPLE;
570 case MSG_HEAD_OF_QUEUE_TASK:
571 io->scsiio.tag_type = CTL_TAG_HEAD_OF_QUEUE;
573 case MSG_ORDERED_TASK:
574 io->scsiio.tag_type = CTL_TAG_ORDERED;
577 io->scsiio.tag_type = CTL_TAG_ACA;
580 io->scsiio.tag_type = CTL_TAG_UNTAGGED;
581 printf("%s: unhandled tag type %#x!!\n", __func__,
585 if (csio->cdb_len > sizeof(io->scsiio.cdb)) {
586 printf("%s: WARNING: CDB len %d > ctl_io space %zd\n",
587 __func__, csio->cdb_len, sizeof(io->scsiio.cdb));
589 io->scsiio.cdb_len = min(csio->cdb_len, sizeof(io->scsiio.cdb));
590 bcopy(csio->cdb_io.cdb_bytes, io->scsiio.cdb,
593 ccb->ccb_h.status |= CAM_SIM_QUEUED;
595 if (err != CTL_RETVAL_COMPLETE) {
596 printf("%s: func %d: error %d returned by "
597 "ctl_queue()!\n", __func__,
598 ccb->ccb_h.func_code, err);
600 ccb->ccb_h.status = CAM_REQ_INVALID;
608 union ccb *abort_ccb;
610 abort_ccb = ccb->cab.abort_ccb;
612 if (abort_ccb->ccb_h.func_code != XPT_SCSI_IO) {
613 ccb->ccb_h.status = CAM_REQ_INVALID;
618 * If we aren't online, there are no devices to talk to.
620 if (softc->online == 0) {
621 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
626 io = ctl_alloc_io_nowait(softc->port.ctl_pool_ref);
628 ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN;
629 xpt_freeze_devq(ccb->ccb_h.path, 1);
635 /* Save pointers on both sides */
636 io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = ccb;
637 ccb->ccb_h.io_ptr = io;
639 io->io_hdr.io_type = CTL_IO_TASK;
640 io->io_hdr.nexus.initid = 1;
641 io->io_hdr.nexus.targ_port = softc->port.targ_port;
642 io->io_hdr.nexus.targ_lun = ctl_decode_lun(
643 CAM_EXTLUN_BYTE_SWIZZLE(ccb->ccb_h.target_lun));
644 io->taskio.task_action = CTL_TASK_ABORT_TASK;
645 io->taskio.tag_num = abort_ccb->csio.tag_id;
646 switch (abort_ccb->csio.tag_action) {
647 case CAM_TAG_ACTION_NONE:
648 io->taskio.tag_type = CTL_TAG_UNTAGGED;
650 case MSG_SIMPLE_TASK:
651 io->taskio.tag_type = CTL_TAG_SIMPLE;
653 case MSG_HEAD_OF_QUEUE_TASK:
654 io->taskio.tag_type = CTL_TAG_HEAD_OF_QUEUE;
656 case MSG_ORDERED_TASK:
657 io->taskio.tag_type = CTL_TAG_ORDERED;
660 io->taskio.tag_type = CTL_TAG_ACA;
663 io->taskio.tag_type = CTL_TAG_UNTAGGED;
664 printf("%s: unhandled tag type %#x!!\n", __func__,
665 abort_ccb->csio.tag_action);
669 if (err != CTL_RETVAL_COMPLETE) {
670 printf("%s func %d: error %d returned by "
671 "ctl_queue()!\n", __func__,
672 ccb->ccb_h.func_code, err);
677 case XPT_GET_TRAN_SETTINGS: {
678 struct ccb_trans_settings *cts;
679 struct ccb_trans_settings_scsi *scsi;
680 struct ccb_trans_settings_fc *fc;
683 scsi = &cts->proto_specific.scsi;
684 fc = &cts->xport_specific.fc;
687 cts->protocol = PROTO_SCSI;
688 cts->protocol_version = SCSI_REV_SPC2;
689 cts->transport = XPORT_FC;
690 cts->transport_version = 0;
692 scsi->valid = CTS_SCSI_VALID_TQ;
693 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
694 fc->valid = CTS_FC_VALID_SPEED;
695 fc->bitrate = 800000;
696 fc->wwnn = softc->wwnn;
697 fc->wwpn = softc->wwpn;
698 fc->port = softc->port.targ_port;
699 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN |
701 ccb->ccb_h.status = CAM_REQ_CMP;
704 case XPT_SET_TRAN_SETTINGS:
705 /* XXX KDM should we actually do something here? */
706 ccb->ccb_h.status = CAM_REQ_CMP;
709 case XPT_RESET_DEV: {
713 * If we aren't online, there are no devices to talk to.
715 if (softc->online == 0) {
716 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
721 io = ctl_alloc_io_nowait(softc->port.ctl_pool_ref);
723 ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN;
724 xpt_freeze_devq(ccb->ccb_h.path, 1);
730 /* Save pointers on both sides */
731 if (ccb->ccb_h.func_code == XPT_RESET_DEV)
732 io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = ccb;
733 ccb->ccb_h.io_ptr = io;
735 io->io_hdr.io_type = CTL_IO_TASK;
736 io->io_hdr.nexus.initid = 1;
737 io->io_hdr.nexus.targ_port = softc->port.targ_port;
738 io->io_hdr.nexus.targ_lun = ctl_decode_lun(
739 CAM_EXTLUN_BYTE_SWIZZLE(ccb->ccb_h.target_lun));
740 if (ccb->ccb_h.func_code == XPT_RESET_BUS)
741 io->taskio.task_action = CTL_TASK_BUS_RESET;
743 io->taskio.task_action = CTL_TASK_LUN_RESET;
746 if (err != CTL_RETVAL_COMPLETE) {
747 printf("%s func %d: error %d returned by "
748 "ctl_queue()!\n", __func__,
749 ccb->ccb_h.func_code, err);
754 case XPT_CALC_GEOMETRY:
755 cam_calc_geometry(&ccb->ccg, 1);
759 struct ccb_pathinq *cpi;
763 cpi->version_num = 0;
764 cpi->hba_inquiry = PI_TAG_ABLE;
765 cpi->target_sprt = 0;
766 cpi->hba_misc = PIM_EXTLUNS;
767 cpi->hba_eng_cnt = 0;
770 /* Do we really have a limit? */
771 cpi->maxio = 1024 * 1024;
772 cpi->async_flags = 0;
774 cpi->initiator_id = 0;
776 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
777 strncpy(cpi->hba_vid, "FreeBSD", HBA_IDLEN);
778 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
779 cpi->unit_number = 0;
781 cpi->base_transfer_speed = 800000;
782 cpi->protocol = PROTO_SCSI;
783 cpi->protocol_version = SCSI_REV_SPC2;
785 * Pretend to be Fibre Channel.
787 cpi->transport = XPORT_FC;
788 cpi->transport_version = 0;
789 cpi->xport_specific.fc.wwnn = softc->wwnn;
790 cpi->xport_specific.fc.wwpn = softc->wwpn;
791 cpi->xport_specific.fc.port = softc->port.targ_port;
792 cpi->xport_specific.fc.bitrate = 8 * 1000 * 1000;
793 cpi->ccb_h.status = CAM_REQ_CMP;
797 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
798 printf("%s: unsupported CCB type %#x\n", __func__,
799 ccb->ccb_h.func_code);
806 cfcs_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg)