2 * Copyright (c) 2003, 2004 Silicon Graphics International Corp.
3 * Copyright (c) 1997-2007 Kenneth D. Merry
4 * Copyright (c) 2012 The FreeBSD Foundation
7 * Portions of this software were developed by Edward Tomasz Napierala
8 * under sponsorship from the FreeBSD Foundation.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions, and the following disclaimer,
15 * without modification.
16 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
17 * substantially similar to the "NO WARRANTY" disclaimer below
18 * ("Disclaimer") and any redistribution must be conditioned upon
19 * including a substantially similar Disclaimer requirement for further
20 * binary redistribution.
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
32 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGES.
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
40 #include <sys/ioctl.h>
41 #include <sys/types.h>
43 #include <sys/param.h>
44 #include <sys/linker.h>
45 #include <sys/queue.h>
46 #include <sys/callout.h>
48 #include <sys/capsicum.h>
59 #include <cam/scsi/scsi_all.h>
60 #include <cam/scsi/scsi_message.h>
61 #include <cam/ctl/ctl.h>
62 #include <cam/ctl/ctl_io.h>
63 #include <cam/ctl/ctl_frontend_internal.h>
64 #include <cam/ctl/ctl_backend.h>
65 #include <cam/ctl/ctl_ioctl.h>
66 #include <cam/ctl/ctl_backend_block.h>
67 #include <cam/ctl/ctl_util.h>
68 #include <cam/ctl/ctl_scsi_all.h>
72 #ifdef ICL_KERNEL_PROXY
76 extern bool proxy_mode;
78 static int ctl_fd = 0;
83 int retval, saved_errno;
85 ctl_fd = open(CTL_DEFAULT_DEV, O_RDWR);
86 if (ctl_fd < 0 && errno == ENOENT) {
88 retval = kldload("ctl");
90 ctl_fd = open(CTL_DEFAULT_DEV, O_RDWR);
95 log_err(1, "failed to open %s", CTL_DEFAULT_DEV);
99 * Name/value pair used for per-LUN attributes.
104 STAILQ_ENTRY(cctl_lun_nv) links;
108 * Backend LUN information.
113 uint64_t size_blocks;
117 char *cfiscsi_target;
119 STAILQ_HEAD(,cctl_lun_nv) attr_list;
120 STAILQ_ENTRY(cctl_lun) links;
126 char *cfiscsi_target;
127 uint16_t cfiscsi_portal_group_tag;
128 STAILQ_HEAD(,cctl_lun_nv) attr_list;
129 STAILQ_ENTRY(cctl_port) links;
132 struct cctl_devlist_data {
134 STAILQ_HEAD(,cctl_lun) lun_list;
135 struct cctl_lun *cur_lun;
137 STAILQ_HEAD(,cctl_port) port_list;
138 struct cctl_port *cur_port;
140 struct sbuf *cur_sb[32];
144 cctl_start_element(void *user_data, const char *name, const char **attr)
147 struct cctl_devlist_data *devlist;
148 struct cctl_lun *cur_lun;
150 devlist = (struct cctl_devlist_data *)user_data;
151 cur_lun = devlist->cur_lun;
153 if ((u_int)devlist->level >= (sizeof(devlist->cur_sb) /
154 sizeof(devlist->cur_sb[0])))
155 log_errx(1, "%s: too many nesting levels, %zd max", __func__,
156 sizeof(devlist->cur_sb) / sizeof(devlist->cur_sb[0]));
158 devlist->cur_sb[devlist->level] = sbuf_new_auto();
159 if (devlist->cur_sb[devlist->level] == NULL)
160 log_err(1, "%s: unable to allocate sbuf", __func__);
162 if (strcmp(name, "lun") == 0) {
164 log_errx(1, "%s: improper lun element nesting",
167 cur_lun = calloc(1, sizeof(*cur_lun));
169 log_err(1, "%s: cannot allocate %zd bytes", __func__,
173 devlist->cur_lun = cur_lun;
175 STAILQ_INIT(&cur_lun->attr_list);
176 STAILQ_INSERT_TAIL(&devlist->lun_list, cur_lun, links);
178 for (i = 0; attr[i] != NULL; i += 2) {
179 if (strcmp(attr[i], "id") == 0) {
180 cur_lun->lun_id = strtoull(attr[i+1], NULL, 0);
182 log_errx(1, "%s: invalid LUN attribute %s = %s",
183 __func__, attr[i], attr[i+1]);
190 cctl_end_element(void *user_data, const char *name)
192 struct cctl_devlist_data *devlist;
193 struct cctl_lun *cur_lun;
196 devlist = (struct cctl_devlist_data *)user_data;
197 cur_lun = devlist->cur_lun;
199 if ((cur_lun == NULL)
200 && (strcmp(name, "ctllunlist") != 0))
201 log_errx(1, "%s: cur_lun == NULL! (name = %s)", __func__, name);
203 if (devlist->cur_sb[devlist->level] == NULL)
204 log_errx(1, "%s: no valid sbuf at level %d (name %s)", __func__,
205 devlist->level, name);
207 sbuf_finish(devlist->cur_sb[devlist->level]);
208 str = checked_strdup(sbuf_data(devlist->cur_sb[devlist->level]));
210 if (strlen(str) == 0) {
215 sbuf_delete(devlist->cur_sb[devlist->level]);
216 devlist->cur_sb[devlist->level] = NULL;
219 if (strcmp(name, "backend_type") == 0) {
220 cur_lun->backend_type = str;
222 } else if (strcmp(name, "size") == 0) {
223 cur_lun->size_blocks = strtoull(str, NULL, 0);
224 } else if (strcmp(name, "blocksize") == 0) {
225 cur_lun->blocksize = strtoul(str, NULL, 0);
226 } else if (strcmp(name, "serial_number") == 0) {
227 cur_lun->serial_number = str;
229 } else if (strcmp(name, "device_id") == 0) {
230 cur_lun->device_id = str;
232 } else if (strcmp(name, "cfiscsi_target") == 0) {
233 cur_lun->cfiscsi_target = str;
235 } else if (strcmp(name, "cfiscsi_lun") == 0) {
236 cur_lun->cfiscsi_lun = strtoul(str, NULL, 0);
237 } else if (strcmp(name, "lun") == 0) {
238 devlist->cur_lun = NULL;
239 } else if (strcmp(name, "ctllunlist") == 0) {
242 struct cctl_lun_nv *nv;
244 nv = calloc(1, sizeof(*nv));
246 log_err(1, "%s: can't allocate %zd bytes for nv pair",
247 __func__, sizeof(*nv));
249 nv->name = checked_strdup(name);
253 STAILQ_INSERT_TAIL(&cur_lun->attr_list, nv, links);
260 cctl_start_pelement(void *user_data, const char *name, const char **attr)
263 struct cctl_devlist_data *devlist;
264 struct cctl_port *cur_port;
266 devlist = (struct cctl_devlist_data *)user_data;
267 cur_port = devlist->cur_port;
269 if ((u_int)devlist->level >= (sizeof(devlist->cur_sb) /
270 sizeof(devlist->cur_sb[0])))
271 log_errx(1, "%s: too many nesting levels, %zd max", __func__,
272 sizeof(devlist->cur_sb) / sizeof(devlist->cur_sb[0]));
274 devlist->cur_sb[devlist->level] = sbuf_new_auto();
275 if (devlist->cur_sb[devlist->level] == NULL)
276 log_err(1, "%s: unable to allocate sbuf", __func__);
278 if (strcmp(name, "targ_port") == 0) {
279 if (cur_port != NULL)
280 log_errx(1, "%s: improper port element nesting (%s)",
283 cur_port = calloc(1, sizeof(*cur_port));
284 if (cur_port == NULL)
285 log_err(1, "%s: cannot allocate %zd bytes", __func__,
288 devlist->num_ports++;
289 devlist->cur_port = cur_port;
291 STAILQ_INIT(&cur_port->attr_list);
292 STAILQ_INSERT_TAIL(&devlist->port_list, cur_port, links);
294 for (i = 0; attr[i] != NULL; i += 2) {
295 if (strcmp(attr[i], "id") == 0) {
296 cur_port->port_id = strtoul(attr[i+1], NULL, 0);
298 log_errx(1, "%s: invalid LUN attribute %s = %s",
299 __func__, attr[i], attr[i+1]);
306 cctl_end_pelement(void *user_data, const char *name)
308 struct cctl_devlist_data *devlist;
309 struct cctl_port *cur_port;
312 devlist = (struct cctl_devlist_data *)user_data;
313 cur_port = devlist->cur_port;
315 if ((cur_port == NULL)
316 && (strcmp(name, "ctlportlist") != 0))
317 log_errx(1, "%s: cur_port == NULL! (name = %s)", __func__, name);
319 if (devlist->cur_sb[devlist->level] == NULL)
320 log_errx(1, "%s: no valid sbuf at level %d (name %s)", __func__,
321 devlist->level, name);
323 sbuf_finish(devlist->cur_sb[devlist->level]);
324 str = checked_strdup(sbuf_data(devlist->cur_sb[devlist->level]));
326 if (strlen(str) == 0) {
331 sbuf_delete(devlist->cur_sb[devlist->level]);
332 devlist->cur_sb[devlist->level] = NULL;
335 if (strcmp(name, "cfiscsi_target") == 0) {
336 cur_port->cfiscsi_target = str;
338 } else if (strcmp(name, "cfiscsi_status") == 0) {
339 cur_port->cfiscsi_status = strtoul(str, NULL, 0);
340 } else if (strcmp(name, "cfiscsi_portal_group_tag") == 0) {
341 cur_port->cfiscsi_portal_group_tag = strtoul(str, NULL, 0);
342 } else if (strcmp(name, "targ_port") == 0) {
343 devlist->cur_port = NULL;
344 } else if (strcmp(name, "ctlportlist") == 0) {
347 struct cctl_lun_nv *nv;
349 nv = calloc(1, sizeof(*nv));
351 log_err(1, "%s: can't allocate %zd bytes for nv pair",
352 __func__, sizeof(*nv));
354 nv->name = checked_strdup(name);
358 STAILQ_INSERT_TAIL(&cur_port->attr_list, nv, links);
365 cctl_char_handler(void *user_data, const XML_Char *str, int len)
367 struct cctl_devlist_data *devlist;
369 devlist = (struct cctl_devlist_data *)user_data;
371 sbuf_bcat(devlist->cur_sb[devlist->level], str, len);
375 conf_new_from_kernel(void)
377 struct conf *conf = NULL;
380 struct lun_option *lo;
381 struct ctl_lun_list list;
382 struct cctl_devlist_data devlist;
383 struct cctl_lun *lun;
384 struct cctl_port *port;
389 bzero(&devlist, sizeof(devlist));
390 STAILQ_INIT(&devlist.lun_list);
391 STAILQ_INIT(&devlist.port_list);
393 log_debugx("obtaining previously configured CTL luns from the kernel");
398 str = realloc(str, len);
400 log_err(1, "realloc");
402 bzero(&list, sizeof(list));
403 list.alloc_len = len;
404 list.status = CTL_LUN_LIST_NONE;
407 if (ioctl(ctl_fd, CTL_LUN_LIST, &list) == -1) {
408 log_warn("error issuing CTL_LUN_LIST ioctl");
413 if (list.status == CTL_LUN_LIST_ERROR) {
414 log_warnx("error returned from CTL_LUN_LIST ioctl: %s",
420 if (list.status == CTL_LUN_LIST_NEED_MORE_SPACE) {
425 parser = XML_ParserCreate(NULL);
426 if (parser == NULL) {
427 log_warnx("unable to create XML parser");
432 XML_SetUserData(parser, &devlist);
433 XML_SetElementHandler(parser, cctl_start_element, cctl_end_element);
434 XML_SetCharacterDataHandler(parser, cctl_char_handler);
436 retval = XML_Parse(parser, str, strlen(str), 1);
437 XML_ParserFree(parser);
440 log_warnx("XML_Parse failed");
447 str = realloc(str, len);
449 log_err(1, "realloc");
451 bzero(&list, sizeof(list));
452 list.alloc_len = len;
453 list.status = CTL_LUN_LIST_NONE;
456 if (ioctl(ctl_fd, CTL_PORT_LIST, &list) == -1) {
457 log_warn("error issuing CTL_PORT_LIST ioctl");
462 if (list.status == CTL_PORT_LIST_ERROR) {
463 log_warnx("error returned from CTL_PORT_LIST ioctl: %s",
469 if (list.status == CTL_LUN_LIST_NEED_MORE_SPACE) {
474 parser = XML_ParserCreate(NULL);
475 if (parser == NULL) {
476 log_warnx("unable to create XML parser");
481 XML_SetUserData(parser, &devlist);
482 XML_SetElementHandler(parser, cctl_start_pelement, cctl_end_pelement);
483 XML_SetCharacterDataHandler(parser, cctl_char_handler);
485 retval = XML_Parse(parser, str, strlen(str), 1);
486 XML_ParserFree(parser);
489 log_warnx("XML_Parse failed");
495 STAILQ_FOREACH(port, &devlist.port_list, links) {
497 if (port->cfiscsi_target == NULL) {
498 log_debugx("CTL port %ju wasn't managed by ctld; "
499 "ignoring", (uintmax_t)port->port_id);
502 if (port->cfiscsi_status != 1) {
503 log_debugx("CTL port %ju is not active (%d); ignoring",
504 (uintmax_t)port->port_id, port->cfiscsi_status);
508 targ = target_find(conf, port->cfiscsi_target);
511 log_debugx("found new kernel target %s for CTL port %ld",
512 port->cfiscsi_target, port->port_id);
514 targ = target_new(conf, port->cfiscsi_target);
516 log_warnx("target_new failed");
522 STAILQ_FOREACH(lun, &devlist.lun_list, links) {
523 struct cctl_lun_nv *nv;
525 if (lun->cfiscsi_target == NULL) {
526 log_debugx("CTL lun %ju wasn't managed by ctld; "
527 "ignoring", (uintmax_t)lun->lun_id);
531 targ = target_find(conf, lun->cfiscsi_target);
534 log_debugx("found new kernel target %s for CTL lun %ld",
535 lun->cfiscsi_target, lun->lun_id);
537 targ = target_new(conf, lun->cfiscsi_target);
539 log_warnx("target_new failed");
544 cl = lun_find(targ, lun->cfiscsi_lun);
546 log_warnx("found CTL lun %ju, backing lun %d, target "
547 "%s, also backed by CTL lun %d; ignoring",
548 (uintmax_t) lun->lun_id, cl->l_lun,
549 cl->l_target->t_name, cl->l_ctl_lun);
553 log_debugx("found CTL lun %ju, backing lun %d, target %s",
554 (uintmax_t)lun->lun_id, lun->cfiscsi_lun, lun->cfiscsi_target);
556 cl = lun_new(targ, lun->cfiscsi_lun);
558 log_warnx("lun_new failed");
561 lun_set_backend(cl, lun->backend_type);
562 lun_set_blocksize(cl, lun->blocksize);
563 lun_set_device_id(cl, lun->device_id);
564 lun_set_serial(cl, lun->serial_number);
565 lun_set_size(cl, lun->size_blocks * cl->l_blocksize);
566 lun_set_ctl_lun(cl, lun->lun_id);
568 STAILQ_FOREACH(nv, &lun->attr_list, links) {
569 if (strcmp(nv->name, "file") == 0 ||
570 strcmp(nv->name, "dev") == 0) {
571 lun_set_path(cl, nv->value);
574 lo = lun_option_new(cl, nv->name, nv->value);
576 log_warnx("unable to add CTL lun option %s "
577 "for CTL lun %ju for lun %d, target %s",
578 nv->name, (uintmax_t) lun->lun_id,
579 cl->l_lun, cl->l_target->t_name);
587 str_arg(struct ctl_be_arg *arg, const char *name, const char *value)
590 arg->namelen = strlen(name) + 1;
591 arg->name = __DECONST(char *, name);
592 arg->vallen = strlen(value) + 1;
593 arg->value = __DECONST(char *, value);
594 arg->flags = CTL_BEARG_ASCII | CTL_BEARG_RD;
598 kernel_lun_add(struct lun *lun)
600 struct lun_option *lo;
601 struct ctl_lun_req req;
603 int error, i, num_options;
605 bzero(&req, sizeof(req));
607 strlcpy(req.backend, lun->l_backend, sizeof(req.backend));
608 req.reqtype = CTL_LUNREQ_CREATE;
610 req.reqdata.create.blocksize_bytes = lun->l_blocksize;
612 if (lun->l_size != 0)
613 req.reqdata.create.lun_size_bytes = lun->l_size;
615 req.reqdata.create.flags |= CTL_LUN_FLAG_DEV_TYPE;
616 req.reqdata.create.device_type = T_DIRECT;
618 if (lun->l_serial != NULL) {
619 strncpy(req.reqdata.create.serial_num, lun->l_serial,
620 sizeof(req.reqdata.create.serial_num));
621 req.reqdata.create.flags |= CTL_LUN_FLAG_SERIAL_NUM;
624 if (lun->l_device_id != NULL) {
625 strncpy(req.reqdata.create.device_id, lun->l_device_id,
626 sizeof(req.reqdata.create.device_id));
627 req.reqdata.create.flags |= CTL_LUN_FLAG_DEVID;
630 if (lun->l_path != NULL) {
631 lo = lun_option_find(lun, "file");
633 lun_option_set(lo, lun->l_path);
635 lo = lun_option_new(lun, "file", lun->l_path);
640 lo = lun_option_find(lun, "cfiscsi_target");
642 lun_option_set(lo, lun->l_target->t_name);
644 lo = lun_option_new(lun, "cfiscsi_target",
645 lun->l_target->t_name);
649 asprintf(&tmp, "%d", lun->l_lun);
651 log_errx(1, "asprintf");
652 lo = lun_option_find(lun, "cfiscsi_lun");
654 lun_option_set(lo, tmp);
657 lo = lun_option_new(lun, "cfiscsi_lun", tmp);
662 asprintf(&tmp, "%s,lun,%d", lun->l_target->t_name, lun->l_lun);
664 log_errx(1, "asprintf");
665 lo = lun_option_find(lun, "scsiname");
667 lun_option_set(lo, tmp);
670 lo = lun_option_new(lun, "scsiname", tmp);
676 TAILQ_FOREACH(lo, &lun->l_options, lo_next)
679 req.num_be_args = num_options;
680 if (num_options > 0) {
681 req.be_args = malloc(num_options * sizeof(*req.be_args));
682 if (req.be_args == NULL) {
683 log_warn("error allocating %zd bytes",
684 num_options * sizeof(*req.be_args));
689 TAILQ_FOREACH(lo, &lun->l_options, lo_next) {
690 str_arg(&req.be_args[i], lo->lo_name, lo->lo_value);
693 assert(i == num_options);
696 error = ioctl(ctl_fd, CTL_LUN_REQ, &req);
699 log_warn("error issuing CTL_LUN_REQ ioctl");
703 if (req.status == CTL_LUN_ERROR) {
704 log_warnx("error returned from LUN creation request: %s",
709 if (req.status != CTL_LUN_OK) {
710 log_warnx("unknown LUN creation request status %d",
715 lun_set_ctl_lun(lun, req.reqdata.create.req_lun_id);
721 kernel_lun_resize(struct lun *lun)
723 struct ctl_lun_req req;
725 bzero(&req, sizeof(req));
727 strlcpy(req.backend, lun->l_backend, sizeof(req.backend));
728 req.reqtype = CTL_LUNREQ_MODIFY;
730 req.reqdata.modify.lun_id = lun->l_ctl_lun;
731 req.reqdata.modify.lun_size_bytes = lun->l_size;
733 if (ioctl(ctl_fd, CTL_LUN_REQ, &req) == -1) {
734 log_warn("error issuing CTL_LUN_REQ ioctl");
738 if (req.status == CTL_LUN_ERROR) {
739 log_warnx("error returned from LUN modification request: %s",
744 if (req.status != CTL_LUN_OK) {
745 log_warnx("unknown LUN modification request status %d",
754 kernel_lun_remove(struct lun *lun)
756 struct ctl_lun_req req;
758 bzero(&req, sizeof(req));
760 strlcpy(req.backend, lun->l_backend, sizeof(req.backend));
761 req.reqtype = CTL_LUNREQ_RM;
763 req.reqdata.rm.lun_id = lun->l_ctl_lun;
765 if (ioctl(ctl_fd, CTL_LUN_REQ, &req) == -1) {
766 log_warn("error issuing CTL_LUN_REQ ioctl");
770 if (req.status == CTL_LUN_ERROR) {
771 log_warnx("error returned from LUN removal request: %s",
776 if (req.status != CTL_LUN_OK) {
777 log_warnx("unknown LUN removal request status %d", req.status);
785 kernel_handoff(struct connection *conn)
787 struct ctl_iscsi req;
789 bzero(&req, sizeof(req));
791 req.type = CTL_ISCSI_HANDOFF;
792 strlcpy(req.data.handoff.initiator_name,
793 conn->conn_initiator_name, sizeof(req.data.handoff.initiator_name));
794 strlcpy(req.data.handoff.initiator_addr,
795 conn->conn_initiator_addr, sizeof(req.data.handoff.initiator_addr));
796 if (conn->conn_initiator_alias != NULL) {
797 strlcpy(req.data.handoff.initiator_alias,
798 conn->conn_initiator_alias, sizeof(req.data.handoff.initiator_alias));
800 memcpy(req.data.handoff.initiator_isid, conn->conn_initiator_isid,
801 sizeof(req.data.handoff.initiator_isid));
802 strlcpy(req.data.handoff.target_name,
803 conn->conn_target->t_name, sizeof(req.data.handoff.target_name));
804 #ifdef ICL_KERNEL_PROXY
806 req.data.handoff.connection_id = conn->conn_socket;
808 req.data.handoff.socket = conn->conn_socket;
810 req.data.handoff.socket = conn->conn_socket;
812 req.data.handoff.portal_group_tag =
813 conn->conn_portal->p_portal_group->pg_tag;
814 if (conn->conn_header_digest == CONN_DIGEST_CRC32C)
815 req.data.handoff.header_digest = CTL_ISCSI_DIGEST_CRC32C;
816 if (conn->conn_data_digest == CONN_DIGEST_CRC32C)
817 req.data.handoff.data_digest = CTL_ISCSI_DIGEST_CRC32C;
818 req.data.handoff.cmdsn = conn->conn_cmdsn;
819 req.data.handoff.statsn = conn->conn_statsn;
820 req.data.handoff.max_recv_data_segment_length =
821 conn->conn_max_data_segment_length;
822 req.data.handoff.max_burst_length = conn->conn_max_burst_length;
823 req.data.handoff.immediate_data = conn->conn_immediate_data;
825 if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) {
826 log_err(1, "error issuing CTL_ISCSI ioctl; "
827 "dropping connection");
830 if (req.status != CTL_ISCSI_OK) {
831 log_errx(1, "error returned from CTL iSCSI handoff request: "
832 "%s; dropping connection", req.error_str);
837 kernel_port_add(struct target *targ)
839 struct ctl_port_entry entry;
843 uint32_t port_id = -1;
845 bzero(&req, sizeof(req));
846 strlcpy(req.driver, "iscsi", sizeof(req.driver));
847 req.reqtype = CTL_REQ_CREATE;
849 req.args = malloc(req.num_args * sizeof(*req.args));
850 req.args[0].namelen = sizeof("port_id");
851 req.args[0].name = __DECONST(char *, "port_id");
852 req.args[0].vallen = sizeof(port_id);
853 req.args[0].value = &port_id;
854 req.args[0].flags = CTL_BEARG_WR;
855 str_arg(&req.args[1], "cfiscsi_target", targ->t_name);
856 snprintf(tagstr, sizeof(tagstr), "%d", targ->t_portal_group->pg_tag);
857 str_arg(&req.args[2], "cfiscsi_portal_group_tag", tagstr);
859 str_arg(&req.args[3], "cfiscsi_target_alias", targ->t_alias);
863 error = ioctl(ctl_fd, CTL_PORT_REQ, &req);
866 log_warn("error issuing CTL_PORT_REQ ioctl");
870 if (req.status == CTL_LUN_ERROR) {
871 log_warnx("error returned from port creation request: %s",
876 if (req.status != CTL_LUN_OK) {
877 log_warnx("unknown port creation request status %d",
882 bzero(&entry, sizeof(entry));
883 entry.targ_port = port_id;
885 error = ioctl(ctl_fd, CTL_ENABLE_PORT, &entry);
887 log_warn("CTL_ENABLE_PORT ioctl failed");
895 kernel_port_remove(struct target *targ)
901 bzero(&req, sizeof(req));
902 strlcpy(req.driver, "iscsi", sizeof(req.driver));
903 req.reqtype = CTL_REQ_REMOVE;
905 req.args = malloc(req.num_args * sizeof(*req.args));
906 str_arg(&req.args[0], "cfiscsi_target", targ->t_name);
907 if (targ->t_portal_group) {
908 snprintf(tagstr, sizeof(tagstr), "%d",
909 targ->t_portal_group->pg_tag);
910 str_arg(&req.args[1], "cfiscsi_portal_group_tag", tagstr);
914 error = ioctl(ctl_fd, CTL_PORT_REQ, &req);
917 log_warn("error issuing CTL_PORT_REQ ioctl");
921 if (req.status == CTL_LUN_ERROR) {
922 log_warnx("error returned from port removal request: %s",
927 if (req.status != CTL_LUN_OK) {
928 log_warnx("unknown port removal request status %d",
936 #ifdef ICL_KERNEL_PROXY
938 kernel_listen(struct addrinfo *ai, bool iser, int portal_id)
940 struct ctl_iscsi req;
942 bzero(&req, sizeof(req));
944 req.type = CTL_ISCSI_LISTEN;
945 req.data.listen.iser = iser;
946 req.data.listen.domain = ai->ai_family;
947 req.data.listen.socktype = ai->ai_socktype;
948 req.data.listen.protocol = ai->ai_protocol;
949 req.data.listen.addr = ai->ai_addr;
950 req.data.listen.addrlen = ai->ai_addrlen;
951 req.data.listen.portal_id = portal_id;
953 if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1)
954 log_err(1, "error issuing CTL_ISCSI ioctl");
956 if (req.status != CTL_ISCSI_OK) {
957 log_errx(1, "error returned from CTL iSCSI listen: %s",
963 kernel_accept(int *connection_id, int *portal_id,
964 struct sockaddr *client_sa, socklen_t *client_salen)
966 struct ctl_iscsi req;
967 struct sockaddr_storage ss;
969 bzero(&req, sizeof(req));
971 req.type = CTL_ISCSI_ACCEPT;
972 req.data.accept.initiator_addr = (struct sockaddr *)&ss;
974 if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1)
975 log_err(1, "error issuing CTL_ISCSI ioctl");
977 if (req.status != CTL_ISCSI_OK) {
978 log_errx(1, "error returned from CTL iSCSI accept: %s",
982 *connection_id = req.data.accept.connection_id;
983 *portal_id = req.data.accept.portal_id;
984 *client_salen = req.data.accept.initiator_addrlen;
985 memcpy(client_sa, &ss, *client_salen);
989 kernel_send(struct pdu *pdu)
991 struct ctl_iscsi req;
993 bzero(&req, sizeof(req));
995 req.type = CTL_ISCSI_SEND;
996 req.data.send.connection_id = pdu->pdu_connection->conn_socket;
997 req.data.send.bhs = pdu->pdu_bhs;
998 req.data.send.data_segment_len = pdu->pdu_data_len;
999 req.data.send.data_segment = pdu->pdu_data;
1001 if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) {
1002 log_err(1, "error issuing CTL_ISCSI ioctl; "
1003 "dropping connection");
1006 if (req.status != CTL_ISCSI_OK) {
1007 log_errx(1, "error returned from CTL iSCSI send: "
1008 "%s; dropping connection", req.error_str);
1013 kernel_receive(struct pdu *pdu)
1015 struct ctl_iscsi req;
1017 pdu->pdu_data = malloc(MAX_DATA_SEGMENT_LENGTH);
1018 if (pdu->pdu_data == NULL)
1019 log_err(1, "malloc");
1021 bzero(&req, sizeof(req));
1023 req.type = CTL_ISCSI_RECEIVE;
1024 req.data.receive.connection_id = pdu->pdu_connection->conn_socket;
1025 req.data.receive.bhs = pdu->pdu_bhs;
1026 req.data.receive.data_segment_len = MAX_DATA_SEGMENT_LENGTH;
1027 req.data.receive.data_segment = pdu->pdu_data;
1029 if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) {
1030 log_err(1, "error issuing CTL_ISCSI ioctl; "
1031 "dropping connection");
1034 if (req.status != CTL_ISCSI_OK) {
1035 log_errx(1, "error returned from CTL iSCSI receive: "
1036 "%s; dropping connection", req.error_str);
1041 #endif /* ICL_KERNEL_PROXY */
1044 * XXX: I CANT INTO LATIN
1047 kernel_capsicate(void)
1050 cap_rights_t rights;
1051 const unsigned long cmds[] = { CTL_ISCSI };
1053 cap_rights_init(&rights, CAP_IOCTL);
1054 error = cap_rights_limit(ctl_fd, &rights);
1055 if (error != 0 && errno != ENOSYS)
1056 log_err(1, "cap_rights_limit");
1058 error = cap_ioctls_limit(ctl_fd, cmds,
1059 sizeof(cmds) / sizeof(cmds[0]));
1060 if (error != 0 && errno != ENOSYS)
1061 log_err(1, "cap_ioctls_limit");
1063 error = cap_enter();
1064 if (error != 0 && errno != ENOSYS)
1065 log_err(1, "cap_enter");
1067 if (cap_sandboxed())
1068 log_debugx("Capsicum capability mode enabled");
1070 log_warnx("Capsicum capability mode not supported");