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 | \
97 static int cfcs_init(void);
98 static int cfcs_shutdown(void);
99 static void cfcs_poll(struct cam_sim *sim);
100 static void cfcs_online(void *arg);
101 static void cfcs_offline(void *arg);
102 static void cfcs_datamove(union ctl_io *io);
103 static void cfcs_done(union ctl_io *io);
104 void cfcs_action(struct cam_sim *sim, union ccb *ccb);
106 struct cfcs_softc cfcs_softc;
108 * This is primarily intended to allow for error injection to test the CAM
109 * sense data and sense residual handling code. This sets the maximum
110 * amount of SCSI sense data that we will report to CAM.
112 static int cfcs_max_sense = sizeof(struct scsi_sense_data);
114 SYSCTL_NODE(_kern_cam, OID_AUTO, ctl2cam, CTLFLAG_RD, 0,
115 "CAM Target Layer SIM frontend");
116 SYSCTL_INT(_kern_cam_ctl2cam, OID_AUTO, max_sense, CTLFLAG_RW,
117 &cfcs_max_sense, 0, "Maximum sense data size");
119 static struct ctl_frontend cfcs_frontend =
123 .shutdown = cfcs_shutdown,
125 CTL_FRONTEND_DECLARE(ctlcfcs, cfcs_frontend);
130 struct cfcs_softc *softc;
131 struct ctl_port *port;
135 bzero(softc, sizeof(*softc));
136 mtx_init(&softc->lock, "ctl2cam", NULL, MTX_DEF);
139 port->frontend = &cfcs_frontend;
140 port->port_type = CTL_PORT_INTERNAL;
141 /* XXX KDM what should the real number be here? */
142 port->num_requested_ctl_io = 4096;
143 snprintf(softc->port_name, sizeof(softc->port_name), "camsim");
144 port->port_name = softc->port_name;
145 port->port_online = cfcs_online;
146 port->port_offline = cfcs_offline;
147 port->onoff_arg = softc;
148 port->fe_datamove = cfcs_datamove;
149 port->fe_done = cfcs_done;
150 port->targ_port = -1;
152 retval = ctl_port_register(port);
154 printf("%s: ctl_port_register() failed with error %d!\n",
156 mtx_destroy(&softc->lock);
161 * If the CTL frontend didn't tell us what our WWNN/WWPN is, go
162 * ahead and set something random.
164 if (port->wwnn == 0) {
165 uint64_t random_bits;
167 arc4rand(&random_bits, sizeof(random_bits), 0);
168 softc->wwnn = (random_bits & 0x0000000fffffff00ULL) |
169 /* Company ID */ 0x5000000000000000ULL |
170 /* NL-Port */ 0x0300;
171 softc->wwpn = softc->wwnn + port->targ_port + 1;
172 ctl_port_set_wwns(port, true, softc->wwnn, true, softc->wwpn);
174 softc->wwnn = port->wwnn;
175 softc->wwpn = port->wwpn;
178 mtx_lock(&softc->lock);
179 softc->devq = cam_simq_alloc(port->num_requested_ctl_io);
180 if (softc->devq == NULL) {
181 printf("%s: error allocating devq\n", __func__);
186 softc->sim = cam_sim_alloc(cfcs_action, cfcs_poll, softc->port_name,
187 softc, /*unit*/ 0, &softc->lock, 1,
188 port->num_requested_ctl_io, softc->devq);
189 if (softc->sim == NULL) {
190 printf("%s: error allocating SIM\n", __func__);
195 if (xpt_bus_register(softc->sim, NULL, 0) != CAM_SUCCESS) {
196 printf("%s: error registering SIM\n", __func__);
201 if (xpt_create_path(&softc->path, /*periph*/NULL,
202 cam_sim_path(softc->sim),
204 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
205 printf("%s: error creating path\n", __func__);
206 xpt_bus_deregister(cam_sim_path(softc->sim));
211 mtx_unlock(&softc->lock);
217 cam_sim_free(softc->sim, /*free_devq*/ TRUE);
218 else if (softc->devq)
219 cam_simq_free(softc->devq);
220 mtx_unlock(&softc->lock);
221 mtx_destroy(&softc->lock);
229 struct cfcs_softc *softc = &cfcs_softc;
230 struct ctl_port *port = &softc->port;
233 ctl_port_offline(port);
235 mtx_lock(&softc->lock);
236 xpt_free_path(softc->path);
237 xpt_bus_deregister(cam_sim_path(softc->sim));
238 cam_sim_free(softc->sim, /*free_devq*/ TRUE);
239 mtx_unlock(&softc->lock);
240 mtx_destroy(&softc->lock);
242 if ((error = ctl_port_deregister(port)) != 0)
243 printf("%s: cam_sim port deregistration failed\n", __func__);
248 cfcs_poll(struct cam_sim *sim)
254 cfcs_onoffline(void *arg, int online)
256 struct cfcs_softc *softc;
259 softc = (struct cfcs_softc *)arg;
261 mtx_lock(&softc->lock);
262 softc->online = online;
264 ccb = xpt_alloc_ccb_nowait();
266 printf("%s: unable to allocate CCB for rescan\n", __func__);
270 if (xpt_create_path(&ccb->ccb_h.path, NULL,
271 cam_sim_path(softc->sim), CAM_TARGET_WILDCARD,
272 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
273 printf("%s: can't allocate path for rescan\n", __func__);
280 mtx_unlock(&softc->lock);
284 cfcs_online(void *arg)
286 cfcs_onoffline(arg, /*online*/ 1);
290 cfcs_offline(void *arg)
292 cfcs_onoffline(arg, /*online*/ 0);
296 * This function is very similar to ctl_ioctl_do_datamove(). Is there a
297 * way to combine the functionality?
299 * XXX KDM may need to move this into a thread. We're doing a bcopy in the
300 * caller's context, which will usually be the backend. That may not be a
304 cfcs_datamove(union ctl_io *io)
307 bus_dma_segment_t cam_sg_entry, *cam_sglist;
308 struct ctl_sg_entry ctl_sg_entry, *ctl_sglist;
309 int cam_sg_count, ctl_sg_count, cam_sg_start;
312 int ctl_watermark, cam_watermark;
315 ccb = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr;
318 * Note that we have a check in cfcs_action() to make sure that any
319 * CCBs with "bad" flags are returned with CAM_REQ_INVALID. This
320 * is just to make sure no one removes that check without updating
321 * this code to provide the additional functionality necessary to
322 * support those modes of operation.
324 KASSERT(((ccb->ccb_h.flags & CFCS_BAD_CCB_FLAGS) == 0), ("invalid "
325 "CAM flags %#x", (ccb->ccb_h.flags & CFCS_BAD_CCB_FLAGS)));
328 * Simplify things on both sides by putting single buffers into a
329 * single entry S/G list.
331 switch ((ccb->ccb_h.flags & CAM_DATA_MASK)) {
335 cam_sglist = (bus_dma_segment_t *)ccb->csio.data_ptr;
336 cam_sg_count = ccb->csio.sglist_cnt;
337 cam_sg_start = cam_sg_count;
340 for (i = 0, len_seen = 0; i < cam_sg_count; i++) {
341 if ((len_seen + cam_sglist[i].ds_len) >=
342 io->scsiio.kern_rel_offset) {
344 cam_sg_offset = io->scsiio.kern_rel_offset -
348 len_seen += cam_sglist[i].ds_len;
353 cam_sglist = &cam_sg_entry;
354 cam_sglist[0].ds_len = ccb->csio.dxfer_len;
355 cam_sglist[0].ds_addr = (bus_addr_t)ccb->csio.data_ptr;
358 cam_sg_offset = io->scsiio.kern_rel_offset;
361 panic("Invalid CAM flags %#x", ccb->ccb_h.flags);
364 if (io->scsiio.kern_sg_entries > 0) {
365 ctl_sglist = (struct ctl_sg_entry *)io->scsiio.kern_data_ptr;
366 ctl_sg_count = io->scsiio.kern_sg_entries;
368 ctl_sglist = &ctl_sg_entry;
369 ctl_sglist->addr = io->scsiio.kern_data_ptr;
370 ctl_sglist->len = io->scsiio.kern_data_len;
375 cam_watermark = cam_sg_offset;
376 for (i = cam_sg_start, j = 0;
377 i < cam_sg_count && j < ctl_sg_count;) {
378 uint8_t *cam_ptr, *ctl_ptr;
380 len_to_copy = MIN(cam_sglist[i].ds_len - cam_watermark,
381 ctl_sglist[j].len - ctl_watermark);
383 cam_ptr = (uint8_t *)cam_sglist[i].ds_addr;
384 cam_ptr = cam_ptr + cam_watermark;
385 if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) {
389 panic("need to implement bus address support");
391 kern_ptr = bus_to_virt(kern_sglist[j].addr);
394 ctl_ptr = (uint8_t *)ctl_sglist[j].addr;
395 ctl_ptr = ctl_ptr + ctl_watermark;
397 if ((io->io_hdr.flags & CTL_FLAG_DATA_MASK) ==
399 CTL_DEBUG_PRINT(("%s: copying %d bytes to CAM\n",
400 __func__, len_to_copy));
401 CTL_DEBUG_PRINT(("%s: from %p to %p\n", ctl_ptr,
403 bcopy(ctl_ptr, cam_ptr, len_to_copy);
405 CTL_DEBUG_PRINT(("%s: copying %d bytes from CAM\n",
406 __func__, len_to_copy));
407 CTL_DEBUG_PRINT(("%s: from %p to %p\n", cam_ptr,
409 bcopy(cam_ptr, ctl_ptr, len_to_copy);
412 io->scsiio.ext_data_filled += len_to_copy;
413 io->scsiio.kern_data_resid -= len_to_copy;
415 cam_watermark += len_to_copy;
416 if (cam_sglist[i].ds_len == cam_watermark) {
421 ctl_watermark += len_to_copy;
422 if (ctl_sglist[j].len == ctl_watermark) {
428 if ((io->io_hdr.status & CTL_STATUS_MASK) == CTL_SUCCESS) {
429 io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = NULL;
430 io->io_hdr.flags |= CTL_FLAG_STATUS_SENT;
431 ccb->csio.resid = ccb->csio.dxfer_len -
432 io->scsiio.ext_data_filled;
433 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
434 ccb->ccb_h.status |= CAM_REQ_CMP;
438 io->scsiio.be_move_done(io);
442 cfcs_done(union ctl_io *io)
446 ccb = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr;
453 * At this point we should have status. If we don't, that's a bug.
455 KASSERT(((io->io_hdr.status & CTL_STATUS_MASK) != CTL_STATUS_NONE),
456 ("invalid CTL status %#x", io->io_hdr.status));
459 * Translate CTL status to CAM status.
461 if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
462 ccb->csio.resid = ccb->csio.dxfer_len -
463 io->scsiio.ext_data_filled;
465 ccb->ccb_h.status &= ~CAM_STATUS_MASK;
466 switch (io->io_hdr.status & CTL_STATUS_MASK) {
468 ccb->ccb_h.status |= CAM_REQ_CMP;
471 ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR | CAM_AUTOSNS_VALID;
472 ccb->csio.scsi_status = io->scsiio.scsi_status;
473 bcopy(&io->scsiio.sense_data, &ccb->csio.sense_data,
474 min(io->scsiio.sense_len, ccb->csio.sense_len));
475 if (ccb->csio.sense_len > io->scsiio.sense_len)
476 ccb->csio.sense_resid = ccb->csio.sense_len -
477 io->scsiio.sense_len;
479 ccb->csio.sense_resid = 0;
480 if ((ccb->csio.sense_len - ccb->csio.sense_resid) >
482 ccb->csio.sense_resid = ccb->csio.sense_len -
486 case CTL_CMD_ABORTED:
487 ccb->ccb_h.status |= CAM_REQ_ABORTED;
491 ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
494 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP &&
495 (ccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
496 xpt_freeze_devq(ccb->ccb_h.path, 1);
497 ccb->ccb_h.status |= CAM_DEV_QFRZN;
504 cfcs_action(struct cam_sim *sim, union ccb *ccb)
506 struct cfcs_softc *softc;
509 softc = (struct cfcs_softc *)cam_sim_softc(sim);
510 mtx_assert(&softc->lock, MA_OWNED);
512 switch (ccb->ccb_h.func_code) {
515 struct ccb_scsiio *csio;
520 * Catch CCB flags, like physical address flags, that
521 * indicate situations we currently can't handle.
523 if (ccb->ccb_h.flags & CFCS_BAD_CCB_FLAGS) {
524 ccb->ccb_h.status = CAM_REQ_INVALID;
525 printf("%s: bad CCB flags %#x (all flags %#x)\n",
526 __func__, ccb->ccb_h.flags & CFCS_BAD_CCB_FLAGS,
533 * If we aren't online, there are no devices to see.
535 if (softc->online == 0) {
536 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
541 io = ctl_alloc_io_nowait(softc->port.ctl_pool_ref);
543 printf("%s: can't allocate ctl_io\n", __func__);
544 ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN;
545 xpt_freeze_devq(ccb->ccb_h.path, 1);
550 /* Save pointers on both sides */
551 io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = ccb;
552 ccb->ccb_h.io_ptr = io;
555 * Only SCSI I/O comes down this path, resets, etc. come
556 * down via the XPT_RESET_BUS/LUN CCBs below.
558 io->io_hdr.io_type = CTL_IO_SCSI;
559 io->io_hdr.nexus.initid = 1;
560 io->io_hdr.nexus.targ_port = softc->port.targ_port;
561 io->io_hdr.nexus.targ_lun = ctl_decode_lun(
562 CAM_EXTLUN_BYTE_SWIZZLE(ccb->ccb_h.target_lun));
564 * This tag scheme isn't the best, since we could in theory
565 * have a very long-lived I/O and tag collision, especially
566 * in a high I/O environment. But it should work well
567 * enough for now. Since we're using unsigned ints,
568 * they'll just wrap around.
570 io->scsiio.tag_num = softc->cur_tag_num++;
571 csio->tag_id = io->scsiio.tag_num;
572 switch (csio->tag_action) {
573 case CAM_TAG_ACTION_NONE:
574 io->scsiio.tag_type = CTL_TAG_UNTAGGED;
576 case MSG_SIMPLE_TASK:
577 io->scsiio.tag_type = CTL_TAG_SIMPLE;
579 case MSG_HEAD_OF_QUEUE_TASK:
580 io->scsiio.tag_type = CTL_TAG_HEAD_OF_QUEUE;
582 case MSG_ORDERED_TASK:
583 io->scsiio.tag_type = CTL_TAG_ORDERED;
586 io->scsiio.tag_type = CTL_TAG_ACA;
589 io->scsiio.tag_type = CTL_TAG_UNTAGGED;
590 printf("%s: unhandled tag type %#x!!\n", __func__,
594 if (csio->cdb_len > sizeof(io->scsiio.cdb)) {
595 printf("%s: WARNING: CDB len %d > ctl_io space %zd\n",
596 __func__, csio->cdb_len, sizeof(io->scsiio.cdb));
598 io->scsiio.cdb_len = min(csio->cdb_len, sizeof(io->scsiio.cdb));
599 bcopy(scsiio_cdb_ptr(csio), io->scsiio.cdb, io->scsiio.cdb_len);
601 ccb->ccb_h.status |= CAM_SIM_QUEUED;
603 if (err != CTL_RETVAL_COMPLETE) {
604 printf("%s: func %d: error %d returned by "
605 "ctl_queue()!\n", __func__,
606 ccb->ccb_h.func_code, err);
608 ccb->ccb_h.status = CAM_REQ_INVALID;
616 union ccb *abort_ccb;
618 abort_ccb = ccb->cab.abort_ccb;
620 if (abort_ccb->ccb_h.func_code != XPT_SCSI_IO) {
621 ccb->ccb_h.status = CAM_REQ_INVALID;
626 * If we aren't online, there are no devices to talk to.
628 if (softc->online == 0) {
629 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
634 io = ctl_alloc_io_nowait(softc->port.ctl_pool_ref);
636 ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN;
637 xpt_freeze_devq(ccb->ccb_h.path, 1);
643 /* Save pointers on both sides */
644 io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = ccb;
645 ccb->ccb_h.io_ptr = io;
647 io->io_hdr.io_type = CTL_IO_TASK;
648 io->io_hdr.nexus.initid = 1;
649 io->io_hdr.nexus.targ_port = softc->port.targ_port;
650 io->io_hdr.nexus.targ_lun = ctl_decode_lun(
651 CAM_EXTLUN_BYTE_SWIZZLE(ccb->ccb_h.target_lun));
652 io->taskio.task_action = CTL_TASK_ABORT_TASK;
653 io->taskio.tag_num = abort_ccb->csio.tag_id;
654 switch (abort_ccb->csio.tag_action) {
655 case CAM_TAG_ACTION_NONE:
656 io->taskio.tag_type = CTL_TAG_UNTAGGED;
658 case MSG_SIMPLE_TASK:
659 io->taskio.tag_type = CTL_TAG_SIMPLE;
661 case MSG_HEAD_OF_QUEUE_TASK:
662 io->taskio.tag_type = CTL_TAG_HEAD_OF_QUEUE;
664 case MSG_ORDERED_TASK:
665 io->taskio.tag_type = CTL_TAG_ORDERED;
668 io->taskio.tag_type = CTL_TAG_ACA;
671 io->taskio.tag_type = CTL_TAG_UNTAGGED;
672 printf("%s: unhandled tag type %#x!!\n", __func__,
673 abort_ccb->csio.tag_action);
677 if (err != CTL_RETVAL_COMPLETE) {
678 printf("%s func %d: error %d returned by "
679 "ctl_queue()!\n", __func__,
680 ccb->ccb_h.func_code, err);
685 case XPT_GET_TRAN_SETTINGS: {
686 struct ccb_trans_settings *cts;
687 struct ccb_trans_settings_scsi *scsi;
688 struct ccb_trans_settings_fc *fc;
691 scsi = &cts->proto_specific.scsi;
692 fc = &cts->xport_specific.fc;
695 cts->protocol = PROTO_SCSI;
696 cts->protocol_version = SCSI_REV_SPC2;
697 cts->transport = XPORT_FC;
698 cts->transport_version = 0;
700 scsi->valid = CTS_SCSI_VALID_TQ;
701 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
702 fc->valid = CTS_FC_VALID_SPEED;
703 fc->bitrate = 800000;
704 fc->wwnn = softc->wwnn;
705 fc->wwpn = softc->wwpn;
706 fc->port = softc->port.targ_port;
707 fc->valid |= CTS_FC_VALID_WWNN | CTS_FC_VALID_WWPN |
709 ccb->ccb_h.status = CAM_REQ_CMP;
712 case XPT_SET_TRAN_SETTINGS:
713 /* XXX KDM should we actually do something here? */
714 ccb->ccb_h.status = CAM_REQ_CMP;
717 case XPT_RESET_DEV: {
721 * If we aren't online, there are no devices to talk to.
723 if (softc->online == 0) {
724 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
729 io = ctl_alloc_io_nowait(softc->port.ctl_pool_ref);
731 ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN;
732 xpt_freeze_devq(ccb->ccb_h.path, 1);
738 /* Save pointers on both sides */
739 if (ccb->ccb_h.func_code == XPT_RESET_DEV)
740 io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = ccb;
741 ccb->ccb_h.io_ptr = io;
743 io->io_hdr.io_type = CTL_IO_TASK;
744 io->io_hdr.nexus.initid = 1;
745 io->io_hdr.nexus.targ_port = softc->port.targ_port;
746 io->io_hdr.nexus.targ_lun = ctl_decode_lun(
747 CAM_EXTLUN_BYTE_SWIZZLE(ccb->ccb_h.target_lun));
748 if (ccb->ccb_h.func_code == XPT_RESET_BUS)
749 io->taskio.task_action = CTL_TASK_BUS_RESET;
751 io->taskio.task_action = CTL_TASK_LUN_RESET;
754 if (err != CTL_RETVAL_COMPLETE) {
755 printf("%s func %d: error %d returned by "
756 "ctl_queue()!\n", __func__,
757 ccb->ccb_h.func_code, err);
762 case XPT_CALC_GEOMETRY:
763 cam_calc_geometry(&ccb->ccg, 1);
767 struct ccb_pathinq *cpi;
771 cpi->version_num = 0;
772 cpi->hba_inquiry = PI_TAG_ABLE;
773 cpi->target_sprt = 0;
774 cpi->hba_misc = PIM_EXTLUNS;
775 cpi->hba_eng_cnt = 0;
778 /* Do we really have a limit? */
779 cpi->maxio = 1024 * 1024;
780 cpi->async_flags = 0;
782 cpi->initiator_id = 0;
784 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
785 strlcpy(cpi->hba_vid, "FreeBSD", HBA_IDLEN);
786 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
787 cpi->unit_number = 0;
789 cpi->base_transfer_speed = 800000;
790 cpi->protocol = PROTO_SCSI;
791 cpi->protocol_version = SCSI_REV_SPC2;
793 * Pretend to be Fibre Channel.
795 cpi->transport = XPORT_FC;
796 cpi->transport_version = 0;
797 cpi->xport_specific.fc.wwnn = softc->wwnn;
798 cpi->xport_specific.fc.wwpn = softc->wwpn;
799 cpi->xport_specific.fc.port = softc->port.targ_port;
800 cpi->xport_specific.fc.bitrate = 8 * 1000 * 1000;
801 cpi->ccb_h.status = CAM_REQ_CMP;
805 ccb->ccb_h.status = CAM_PROVIDE_FAIL;
806 printf("%s: unsupported CCB type %#x\n", __func__,
807 ccb->ccb_h.func_code);