2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2009 Silicon Graphics International Corp.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions, and the following disclaimer,
12 * without modification.
13 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
14 * substantially similar to the "NO WARRANTY" disclaimer below
15 * ("Disclaimer") and any redistribution must be conditioned upon
16 * including a substantially similar Disclaimer requirement for further
17 * binary redistribution.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
28 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
29 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGES.
32 * $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl_frontend_cam_sim.c#4 $
35 * CTL frontend to CAM SIM interface. This allows access to CTL LUNs via
36 * the da(4) and pass(4) drivers from inside the system.
38 * Author: Ken Merry <ken@FreeBSD.org>
41 #include <sys/cdefs.h>
42 __FBSDID("$FreeBSD$");
44 #include <sys/param.h>
45 #include <sys/systm.h>
46 #include <sys/kernel.h>
47 #include <sys/types.h>
48 #include <sys/malloc.h>
50 #include <sys/mutex.h>
51 #include <sys/condvar.h>
52 #include <sys/queue.h>
54 #include <sys/sysctl.h>
55 #include <machine/bus.h>
59 #include <cam/cam_ccb.h>
60 #include <cam/cam_sim.h>
61 #include <cam/cam_xpt_sim.h>
62 #include <cam/cam_xpt.h>
63 #include <cam/cam_periph.h>
64 #include <cam/scsi/scsi_all.h>
65 #include <cam/scsi/scsi_message.h>
66 #include <cam/ctl/ctl_io.h>
67 #include <cam/ctl/ctl.h>
68 #include <cam/ctl/ctl_frontend.h>
69 #include <cam/ctl/ctl_debug.h>
71 #define io_ptr spriv_ptr1
81 struct cam_devq *devq;
82 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 | \
99 static int cfcs_init(void);
100 static int 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 void cfcs_datamove(union ctl_io *io);
105 static void cfcs_done(union ctl_io *io);
106 void cfcs_action(struct cam_sim *sim, union ccb *ccb);
108 struct cfcs_softc cfcs_softc;
110 * This is primarily intended to allow for error injection to test the CAM
111 * sense data and sense residual handling code. This sets the maximum
112 * amount of SCSI sense data that we will report to CAM.
114 static int cfcs_max_sense = sizeof(struct scsi_sense_data);
116 SYSCTL_NODE(_kern_cam, OID_AUTO, ctl2cam, CTLFLAG_RD, 0,
117 "CAM Target Layer SIM frontend");
118 SYSCTL_INT(_kern_cam_ctl2cam, OID_AUTO, max_sense, CTLFLAG_RW,
119 &cfcs_max_sense, 0, "Maximum sense data size");
121 static struct ctl_frontend cfcs_frontend =
125 .shutdown = cfcs_shutdown,
127 CTL_FRONTEND_DECLARE(ctlcfcs, cfcs_frontend);
132 struct cfcs_softc *softc;
133 struct ctl_port *port;
137 bzero(softc, sizeof(*softc));
138 mtx_init(&softc->lock, "ctl2cam", NULL, MTX_DEF);
141 port->frontend = &cfcs_frontend;
142 port->port_type = CTL_PORT_INTERNAL;
143 /* XXX KDM what should the real number be here? */
144 port->num_requested_ctl_io = 4096;
145 snprintf(softc->port_name, sizeof(softc->port_name), "camsim");
146 port->port_name = softc->port_name;
147 port->port_online = cfcs_online;
148 port->port_offline = cfcs_offline;
149 port->onoff_arg = softc;
150 port->fe_datamove = cfcs_datamove;
151 port->fe_done = cfcs_done;
152 port->targ_port = -1;
154 retval = ctl_port_register(port);
156 printf("%s: ctl_port_register() failed with error %d!\n",
158 mtx_destroy(&softc->lock);
163 * If the CTL frontend didn't tell us what our WWNN/WWPN is, go
164 * ahead and set something random.
166 if (port->wwnn == 0) {
167 uint64_t random_bits;
169 arc4rand(&random_bits, sizeof(random_bits), 0);
170 softc->wwnn = (random_bits & 0x0000000fffffff00ULL) |
171 /* Company ID */ 0x5000000000000000ULL |
172 /* NL-Port */ 0x0300;
173 softc->wwpn = softc->wwnn + port->targ_port + 1;
174 ctl_port_set_wwns(port, true, softc->wwnn, true, softc->wwpn);
176 softc->wwnn = port->wwnn;
177 softc->wwpn = port->wwpn;
180 mtx_lock(&softc->lock);
181 softc->devq = cam_simq_alloc(port->num_requested_ctl_io);
182 if (softc->devq == NULL) {
183 printf("%s: error allocating devq\n", __func__);
188 softc->sim = cam_sim_alloc(cfcs_action, cfcs_poll, softc->port_name,
189 softc, /*unit*/ 0, &softc->lock, 1,
190 port->num_requested_ctl_io, softc->devq);
191 if (softc->sim == NULL) {
192 printf("%s: error allocating SIM\n", __func__);
197 if (xpt_bus_register(softc->sim, NULL, 0) != CAM_SUCCESS) {
198 printf("%s: error registering SIM\n", __func__);
203 if (xpt_create_path(&softc->path, /*periph*/NULL,
204 cam_sim_path(softc->sim),
206 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
207 printf("%s: error creating path\n", __func__);
208 xpt_bus_deregister(cam_sim_path(softc->sim));
213 mtx_unlock(&softc->lock);
219 cam_sim_free(softc->sim, /*free_devq*/ TRUE);
220 else if (softc->devq)
221 cam_simq_free(softc->devq);
222 mtx_unlock(&softc->lock);
223 mtx_destroy(&softc->lock);
231 struct cfcs_softc *softc = &cfcs_softc;
232 struct ctl_port *port = &softc->port;
235 ctl_port_offline(port);
237 mtx_lock(&softc->lock);
238 xpt_free_path(softc->path);
239 xpt_bus_deregister(cam_sim_path(softc->sim));
240 cam_sim_free(softc->sim, /*free_devq*/ TRUE);
241 mtx_unlock(&softc->lock);
242 mtx_destroy(&softc->lock);
244 if ((error = ctl_port_deregister(port)) != 0)
245 printf("%s: cam_sim port deregistration failed\n", __func__);
250 cfcs_poll(struct cam_sim *sim)
256 cfcs_onoffline(void *arg, int online)
258 struct cfcs_softc *softc;
261 softc = (struct cfcs_softc *)arg;
263 mtx_lock(&softc->lock);
264 softc->online = online;
266 ccb = xpt_alloc_ccb_nowait();
268 printf("%s: unable to allocate CCB for rescan\n", __func__);
272 if (xpt_create_path(&ccb->ccb_h.path, NULL,
273 cam_sim_path(softc->sim), CAM_TARGET_WILDCARD,
274 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
275 printf("%s: can't allocate path for rescan\n", __func__);
282 mtx_unlock(&softc->lock);
286 cfcs_online(void *arg)
288 cfcs_onoffline(arg, /*online*/ 1);
292 cfcs_offline(void *arg)
294 cfcs_onoffline(arg, /*online*/ 0);
298 * This function is very similar to ctl_ioctl_do_datamove(). Is there a
299 * way to combine the functionality?
301 * XXX KDM may need to move this into a thread. We're doing a bcopy in the
302 * caller's context, which will usually be the backend. That may not be a
306 cfcs_datamove(union ctl_io *io)
309 bus_dma_segment_t cam_sg_entry, *cam_sglist;
310 struct ctl_sg_entry ctl_sg_entry, *ctl_sglist;
311 int cam_sg_count, ctl_sg_count, cam_sg_start;
314 int ctl_watermark, cam_watermark;
317 ccb = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr;
320 * Note that we have a check in cfcs_action() to make sure that any
321 * CCBs with "bad" flags are returned with CAM_REQ_INVALID. This
322 * is just to make sure no one removes that check without updating
323 * this code to provide the additional functionality necessary to
324 * support those modes of operation.
326 KASSERT(((ccb->ccb_h.flags & CFCS_BAD_CCB_FLAGS) == 0), ("invalid "
327 "CAM flags %#x", (ccb->ccb_h.flags & CFCS_BAD_CCB_FLAGS)));
330 * Simplify things on both sides by putting single buffers into a
331 * single entry S/G list.
333 switch ((ccb->ccb_h.flags & CAM_DATA_MASK)) {
337 cam_sglist = (bus_dma_segment_t *)ccb->csio.data_ptr;
338 cam_sg_count = ccb->csio.sglist_cnt;
339 cam_sg_start = cam_sg_count;
342 for (i = 0, len_seen = 0; i < cam_sg_count; i++) {
343 if ((len_seen + cam_sglist[i].ds_len) >=
344 io->scsiio.kern_rel_offset) {
346 cam_sg_offset = io->scsiio.kern_rel_offset -
350 len_seen += cam_sglist[i].ds_len;
355 cam_sglist = &cam_sg_entry;
356 cam_sglist[0].ds_len = ccb->csio.dxfer_len;
357 cam_sglist[0].ds_addr = (bus_addr_t)(uintptr_t)ccb->csio.data_ptr;
360 cam_sg_offset = io->scsiio.kern_rel_offset;
363 panic("Invalid CAM flags %#x", ccb->ccb_h.flags);
366 if (io->scsiio.kern_sg_entries > 0) {
367 ctl_sglist = (struct ctl_sg_entry *)io->scsiio.kern_data_ptr;
368 ctl_sg_count = io->scsiio.kern_sg_entries;
370 ctl_sglist = &ctl_sg_entry;
371 ctl_sglist->addr = io->scsiio.kern_data_ptr;
372 ctl_sglist->len = io->scsiio.kern_data_len;
377 cam_watermark = cam_sg_offset;
378 for (i = cam_sg_start, j = 0;
379 i < cam_sg_count && j < ctl_sg_count;) {
380 uint8_t *cam_ptr, *ctl_ptr;
382 len_to_copy = MIN(cam_sglist[i].ds_len - cam_watermark,
383 ctl_sglist[j].len - ctl_watermark);
385 cam_ptr = (uint8_t *)(uintptr_t)cam_sglist[i].ds_addr;
386 cam_ptr = cam_ptr + cam_watermark;
387 if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) {
391 panic("need to implement bus address support");
393 kern_ptr = bus_to_virt(kern_sglist[j].addr);
396 ctl_ptr = (uint8_t *)ctl_sglist[j].addr;
397 ctl_ptr = ctl_ptr + ctl_watermark;
399 if ((io->io_hdr.flags & CTL_FLAG_DATA_MASK) ==
401 CTL_DEBUG_PRINT(("%s: copying %d bytes to CAM\n",
402 __func__, len_to_copy));
403 CTL_DEBUG_PRINT(("%s: from %p to %p\n", ctl_ptr,
405 bcopy(ctl_ptr, cam_ptr, len_to_copy);
407 CTL_DEBUG_PRINT(("%s: copying %d bytes from CAM\n",
408 __func__, len_to_copy));
409 CTL_DEBUG_PRINT(("%s: from %p to %p\n", cam_ptr,
411 bcopy(cam_ptr, ctl_ptr, len_to_copy);
414 io->scsiio.ext_data_filled += len_to_copy;
415 io->scsiio.kern_data_resid -= len_to_copy;
417 cam_watermark += len_to_copy;
418 if (cam_sglist[i].ds_len == cam_watermark) {
423 ctl_watermark += len_to_copy;
424 if (ctl_sglist[j].len == ctl_watermark) {
430 if ((io->io_hdr.status & CTL_STATUS_MASK) == CTL_SUCCESS) {
431 io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = NULL;
432 io->io_hdr.flags |= CTL_FLAG_STATUS_SENT;
433 ccb->csio.resid = ccb->csio.dxfer_len -
434 io->scsiio.ext_data_filled;
435 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
436 ccb->ccb_h.status |= CAM_REQ_CMP;
440 io->scsiio.be_move_done(io);
444 cfcs_done(union ctl_io *io)
448 ccb = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr;
455 * At this point we should have status. If we don't, that's a bug.
457 KASSERT(((io->io_hdr.status & CTL_STATUS_MASK) != CTL_STATUS_NONE),
458 ("invalid CTL status %#x", io->io_hdr.status));
461 * Translate CTL status to CAM status.
463 if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
464 ccb->csio.resid = ccb->csio.dxfer_len -
465 io->scsiio.ext_data_filled;
467 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
468 switch (io->io_hdr.status & CTL_STATUS_MASK) {
470 ccb->ccb_h.status |= CAM_REQ_CMP;
473 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
474 ccb->csio.scsi_status = io->scsiio.scsi_status;
475 bcopy(&io->scsiio.sense_data, &ccb->csio.sense_data,
476 min(io->scsiio.sense_len, ccb->csio.sense_len));
477 if (ccb->csio.sense_len > io->scsiio.sense_len)
478 ccb->csio.sense_resid = ccb->csio.sense_len -
479 io->scsiio.sense_len;
481 ccb->csio.sense_resid = 0;
482 if ((ccb->csio.sense_len - ccb->csio.sense_resid) >
484 ccb->csio.sense_resid = ccb->csio.sense_len -
488 case CTL_CMD_ABORTED:
489 ccb->ccb_h.status |= CAM_REQ_ABORTED;
493 ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
496 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP &&
497 (ccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
498 xpt_freeze_devq(ccb->ccb_h.path, 1);
499 ccb->ccb_h.status |= CAM_DEV_QFRZN;
506 cfcs_action(struct cam_sim *sim, union ccb *ccb)
508 struct cfcs_softc *softc;
511 softc = (struct cfcs_softc *)cam_sim_softc(sim);
512 mtx_assert(&softc->lock, MA_OWNED);
514 switch (ccb->ccb_h.func_code) {
517 struct ccb_scsiio *csio;
522 * Catch CCB flags, like physical address flags, that
523 * indicate situations we currently can't handle.
525 if (ccb->ccb_h.flags & CFCS_BAD_CCB_FLAGS) {
526 ccb->ccb_h.status = CAM_REQ_INVALID;
527 printf("%s: bad CCB flags %#x (all flags %#x)\n",
528 __func__, ccb->ccb_h.flags & CFCS_BAD_CCB_FLAGS,
535 * If we aren't online, there are no devices to see.
537 if (softc->online == 0) {
538 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
543 io = ctl_alloc_io_nowait(softc->port.ctl_pool_ref);
545 printf("%s: can't allocate ctl_io\n", __func__);
546 ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN;
547 xpt_freeze_devq(ccb->ccb_h.path, 1);
552 /* Save pointers on both sides */
553 io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = ccb;
554 ccb->ccb_h.io_ptr = io;
557 * Only SCSI I/O comes down this path, resets, etc. come
558 * down via the XPT_RESET_BUS/LUN CCBs below.
560 io->io_hdr.io_type = CTL_IO_SCSI;
561 io->io_hdr.nexus.initid = 1;
562 io->io_hdr.nexus.targ_port = softc->port.targ_port;
563 io->io_hdr.nexus.targ_lun = ctl_decode_lun(
564 CAM_EXTLUN_BYTE_SWIZZLE(ccb->ccb_h.target_lun));
566 * This tag scheme isn't the best, since we could in theory
567 * have a very long-lived I/O and tag collision, especially
568 * in a high I/O environment. But it should work well
569 * enough for now. Since we're using unsigned ints,
570 * they'll just wrap around.
572 io->scsiio.tag_num = softc->cur_tag_num++;
573 csio->tag_id = io->scsiio.tag_num;
574 switch (csio->tag_action) {
575 case CAM_TAG_ACTION_NONE:
576 io->scsiio.tag_type = CTL_TAG_UNTAGGED;
578 case MSG_SIMPLE_TASK:
579 io->scsiio.tag_type = CTL_TAG_SIMPLE;
581 case MSG_HEAD_OF_QUEUE_TASK:
582 io->scsiio.tag_type = CTL_TAG_HEAD_OF_QUEUE;
584 case MSG_ORDERED_TASK:
585 io->scsiio.tag_type = CTL_TAG_ORDERED;
588 io->scsiio.tag_type = CTL_TAG_ACA;
591 io->scsiio.tag_type = CTL_TAG_UNTAGGED;
592 printf("%s: unhandled tag type %#x!!\n", __func__,
596 if (csio->cdb_len > sizeof(io->scsiio.cdb)) {
597 printf("%s: WARNING: CDB len %d > ctl_io space %zd\n",
598 __func__, csio->cdb_len, sizeof(io->scsiio.cdb));
600 io->scsiio.cdb_len = min(csio->cdb_len, sizeof(io->scsiio.cdb));
601 bcopy(scsiio_cdb_ptr(csio), io->scsiio.cdb, io->scsiio.cdb_len);
603 ccb->ccb_h.status |= CAM_SIM_QUEUED;
605 if (err != CTL_RETVAL_COMPLETE) {
606 printf("%s: func %d: error %d returned by "
607 "ctl_queue()!\n", __func__,
608 ccb->ccb_h.func_code, err);
610 ccb->ccb_h.status = CAM_REQ_INVALID;
618 union ccb *abort_ccb;
620 abort_ccb = ccb->cab.abort_ccb;
622 if (abort_ccb->ccb_h.func_code != XPT_SCSI_IO) {
623 ccb->ccb_h.status = CAM_REQ_INVALID;
628 * If we aren't online, there are no devices to talk to.
630 if (softc->online == 0) {
631 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
636 io = ctl_alloc_io_nowait(softc->port.ctl_pool_ref);
638 ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN;
639 xpt_freeze_devq(ccb->ccb_h.path, 1);
645 /* Save pointers on both sides */
646 io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = ccb;
647 ccb->ccb_h.io_ptr = io;
649 io->io_hdr.io_type = CTL_IO_TASK;
650 io->io_hdr.nexus.initid = 1;
651 io->io_hdr.nexus.targ_port = softc->port.targ_port;
652 io->io_hdr.nexus.targ_lun = ctl_decode_lun(
653 CAM_EXTLUN_BYTE_SWIZZLE(ccb->ccb_h.target_lun));
654 io->taskio.task_action = CTL_TASK_ABORT_TASK;
655 io->taskio.tag_num = abort_ccb->csio.tag_id;
656 switch (abort_ccb->csio.tag_action) {
657 case CAM_TAG_ACTION_NONE:
658 io->taskio.tag_type = CTL_TAG_UNTAGGED;
660 case MSG_SIMPLE_TASK:
661 io->taskio.tag_type = CTL_TAG_SIMPLE;
663 case MSG_HEAD_OF_QUEUE_TASK:
664 io->taskio.tag_type = CTL_TAG_HEAD_OF_QUEUE;
666 case MSG_ORDERED_TASK:
667 io->taskio.tag_type = CTL_TAG_ORDERED;
670 io->taskio.tag_type = CTL_TAG_ACA;
673 io->taskio.tag_type = CTL_TAG_UNTAGGED;
674 printf("%s: unhandled tag type %#x!!\n", __func__,
675 abort_ccb->csio.tag_action);
679 if (err != CTL_RETVAL_COMPLETE) {
680 printf("%s func %d: error %d returned by "
681 "ctl_queue()!\n", __func__,
682 ccb->ccb_h.func_code, err);
687 case XPT_GET_TRAN_SETTINGS: {
688 struct ccb_trans_settings *cts;
689 struct ccb_trans_settings_scsi *scsi;
690 struct ccb_trans_settings_fc *fc;
693 scsi = &cts->proto_specific.scsi;
694 fc = &cts->xport_specific.fc;
697 cts->protocol = PROTO_SCSI;
698 cts->protocol_version = SCSI_REV_SPC2;
699 cts->transport = XPORT_FC;
700 cts->transport_version = 0;
702 scsi->valid = CTS_SCSI_VALID_TQ;
703 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
704 fc->valid = CTS_FC_VALID_SPEED;
705 fc->bitrate = 800000;
706 fc->wwnn = softc->wwnn;
707 fc->wwpn = softc->wwpn;
708 fc->port = softc->port.targ_port;
709 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN |
711 ccb->ccb_h.status = CAM_REQ_CMP;
714 case XPT_SET_TRAN_SETTINGS:
715 /* XXX KDM should we actually do something here? */
716 ccb->ccb_h.status = CAM_REQ_CMP;
719 case XPT_RESET_DEV: {
723 * If we aren't online, there are no devices to talk to.
725 if (softc->online == 0) {
726 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
731 io = ctl_alloc_io_nowait(softc->port.ctl_pool_ref);
733 ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN;
734 xpt_freeze_devq(ccb->ccb_h.path, 1);
740 /* Save pointers on both sides */
741 if (ccb->ccb_h.func_code == XPT_RESET_DEV)
742 io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = ccb;
743 ccb->ccb_h.io_ptr = io;
745 io->io_hdr.io_type = CTL_IO_TASK;
746 io->io_hdr.nexus.initid = 1;
747 io->io_hdr.nexus.targ_port = softc->port.targ_port;
748 io->io_hdr.nexus.targ_lun = ctl_decode_lun(
749 CAM_EXTLUN_BYTE_SWIZZLE(ccb->ccb_h.target_lun));
750 if (ccb->ccb_h.func_code == XPT_RESET_BUS)
751 io->taskio.task_action = CTL_TASK_BUS_RESET;
753 io->taskio.task_action = CTL_TASK_LUN_RESET;
756 if (err != CTL_RETVAL_COMPLETE) {
757 printf("%s func %d: error %d returned by "
758 "ctl_queue()!\n", __func__,
759 ccb->ccb_h.func_code, err);
764 case XPT_CALC_GEOMETRY:
765 cam_calc_geometry(&ccb->ccg, 1);
769 struct ccb_pathinq *cpi;
773 cpi->version_num = 0;
774 cpi->hba_inquiry = PI_TAG_ABLE;
775 cpi->target_sprt = 0;
776 cpi->hba_misc = PIM_EXTLUNS;
777 cpi->hba_eng_cnt = 0;
780 /* Do we really have a limit? */
781 cpi->maxio = 1024 * 1024;
782 cpi->async_flags = 0;
784 cpi->initiator_id = 0;
786 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
787 strlcpy(cpi->hba_vid, "FreeBSD", HBA_IDLEN);
788 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
789 cpi->unit_number = 0;
791 cpi->base_transfer_speed = 800000;
792 cpi->protocol = PROTO_SCSI;
793 cpi->protocol_version = SCSI_REV_SPC2;
795 * Pretend to be Fibre Channel.
797 cpi->transport = XPORT_FC;
798 cpi->transport_version = 0;
799 cpi->xport_specific.fc.wwnn = softc->wwnn;
800 cpi->xport_specific.fc.wwpn = softc->wwpn;
801 cpi->xport_specific.fc.port = softc->port.targ_port;
802 cpi->xport_specific.fc.bitrate = 8 * 1000 * 1000;
803 cpi->ccb_h.status = CAM_REQ_CMP;
807 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
808 printf("%s: unsupported CCB type %#x\n", __func__,
809 ccb->ccb_h.func_code);