2 * Copyright (c) 2003-2009 Silicon Graphics International Corp.
3 * Copyright (c) 2012 The FreeBSD Foundation
4 * Copyright (c) 2015 Alexander Motin <mav@FreeBSD.org>
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.
38 * CAM Target Layer, a SCSI device emulation subsystem.
40 * Author: Ken Merry <ken@FreeBSD.org>
45 #include <sys/cdefs.h>
46 __FBSDID("$FreeBSD$");
48 #include <sys/param.h>
49 #include <sys/systm.h>
50 #include <sys/ctype.h>
51 #include <sys/kernel.h>
52 #include <sys/types.h>
53 #include <sys/kthread.h>
55 #include <sys/fcntl.h>
57 #include <sys/module.h>
58 #include <sys/mutex.h>
59 #include <sys/condvar.h>
60 #include <sys/malloc.h>
62 #include <sys/ioccom.h>
63 #include <sys/queue.h>
66 #include <sys/endian.h>
67 #include <sys/sysctl.h>
71 #include <cam/scsi/scsi_all.h>
72 #include <cam/scsi/scsi_cd.h>
73 #include <cam/scsi/scsi_da.h>
74 #include <cam/ctl/ctl_io.h>
75 #include <cam/ctl/ctl.h>
76 #include <cam/ctl/ctl_frontend.h>
77 #include <cam/ctl/ctl_util.h>
78 #include <cam/ctl/ctl_backend.h>
79 #include <cam/ctl/ctl_ioctl.h>
80 #include <cam/ctl/ctl_ha.h>
81 #include <cam/ctl/ctl_private.h>
82 #include <cam/ctl/ctl_debug.h>
83 #include <cam/ctl/ctl_scsi_all.h>
84 #include <cam/ctl/ctl_error.h>
86 struct ctl_softc *control_softc = NULL;
89 * Template mode pages.
93 * Note that these are default values only. The actual values will be
94 * filled in when the user does a mode sense.
96 const static struct scsi_da_rw_recovery_page rw_er_page_default = {
97 /*page_code*/SMS_RW_ERROR_RECOVERY_PAGE,
98 /*page_length*/sizeof(struct scsi_da_rw_recovery_page) - 2,
99 /*byte3*/SMS_RWER_AWRE|SMS_RWER_ARRE,
100 /*read_retry_count*/0,
101 /*correction_span*/0,
102 /*head_offset_count*/0,
103 /*data_strobe_offset_cnt*/0,
104 /*byte8*/SMS_RWER_LBPERE,
105 /*write_retry_count*/0,
107 /*recovery_time_limit*/{0, 0},
110 const static struct scsi_da_rw_recovery_page rw_er_page_changeable = {
111 /*page_code*/SMS_RW_ERROR_RECOVERY_PAGE,
112 /*page_length*/sizeof(struct scsi_da_rw_recovery_page) - 2,
113 /*byte3*/SMS_RWER_PER,
114 /*read_retry_count*/0,
115 /*correction_span*/0,
116 /*head_offset_count*/0,
117 /*data_strobe_offset_cnt*/0,
118 /*byte8*/SMS_RWER_LBPERE,
119 /*write_retry_count*/0,
121 /*recovery_time_limit*/{0, 0},
124 const static struct scsi_format_page format_page_default = {
125 /*page_code*/SMS_FORMAT_DEVICE_PAGE,
126 /*page_length*/sizeof(struct scsi_format_page) - 2,
127 /*tracks_per_zone*/ {0, 0},
128 /*alt_sectors_per_zone*/ {0, 0},
129 /*alt_tracks_per_zone*/ {0, 0},
130 /*alt_tracks_per_lun*/ {0, 0},
131 /*sectors_per_track*/ {(CTL_DEFAULT_SECTORS_PER_TRACK >> 8) & 0xff,
132 CTL_DEFAULT_SECTORS_PER_TRACK & 0xff},
133 /*bytes_per_sector*/ {0, 0},
134 /*interleave*/ {0, 0},
135 /*track_skew*/ {0, 0},
136 /*cylinder_skew*/ {0, 0},
138 /*reserved*/ {0, 0, 0}
141 const static struct scsi_format_page format_page_changeable = {
142 /*page_code*/SMS_FORMAT_DEVICE_PAGE,
143 /*page_length*/sizeof(struct scsi_format_page) - 2,
144 /*tracks_per_zone*/ {0, 0},
145 /*alt_sectors_per_zone*/ {0, 0},
146 /*alt_tracks_per_zone*/ {0, 0},
147 /*alt_tracks_per_lun*/ {0, 0},
148 /*sectors_per_track*/ {0, 0},
149 /*bytes_per_sector*/ {0, 0},
150 /*interleave*/ {0, 0},
151 /*track_skew*/ {0, 0},
152 /*cylinder_skew*/ {0, 0},
154 /*reserved*/ {0, 0, 0}
157 const static struct scsi_rigid_disk_page rigid_disk_page_default = {
158 /*page_code*/SMS_RIGID_DISK_PAGE,
159 /*page_length*/sizeof(struct scsi_rigid_disk_page) - 2,
160 /*cylinders*/ {0, 0, 0},
161 /*heads*/ CTL_DEFAULT_HEADS,
162 /*start_write_precomp*/ {0, 0, 0},
163 /*start_reduced_current*/ {0, 0, 0},
164 /*step_rate*/ {0, 0},
165 /*landing_zone_cylinder*/ {0, 0, 0},
166 /*rpl*/ SRDP_RPL_DISABLED,
167 /*rotational_offset*/ 0,
169 /*rotation_rate*/ {(CTL_DEFAULT_ROTATION_RATE >> 8) & 0xff,
170 CTL_DEFAULT_ROTATION_RATE & 0xff},
174 const static struct scsi_rigid_disk_page rigid_disk_page_changeable = {
175 /*page_code*/SMS_RIGID_DISK_PAGE,
176 /*page_length*/sizeof(struct scsi_rigid_disk_page) - 2,
177 /*cylinders*/ {0, 0, 0},
179 /*start_write_precomp*/ {0, 0, 0},
180 /*start_reduced_current*/ {0, 0, 0},
181 /*step_rate*/ {0, 0},
182 /*landing_zone_cylinder*/ {0, 0, 0},
184 /*rotational_offset*/ 0,
186 /*rotation_rate*/ {0, 0},
190 const static struct scsi_da_verify_recovery_page verify_er_page_default = {
191 /*page_code*/SMS_VERIFY_ERROR_RECOVERY_PAGE,
192 /*page_length*/sizeof(struct scsi_da_verify_recovery_page) - 2,
194 /*read_retry_count*/0,
195 /*reserved*/{ 0, 0, 0, 0, 0, 0 },
196 /*recovery_time_limit*/{0, 0},
199 const static struct scsi_da_verify_recovery_page verify_er_page_changeable = {
200 /*page_code*/SMS_VERIFY_ERROR_RECOVERY_PAGE,
201 /*page_length*/sizeof(struct scsi_da_verify_recovery_page) - 2,
202 /*byte3*/SMS_VER_PER,
203 /*read_retry_count*/0,
204 /*reserved*/{ 0, 0, 0, 0, 0, 0 },
205 /*recovery_time_limit*/{0, 0},
208 const static struct scsi_caching_page caching_page_default = {
209 /*page_code*/SMS_CACHING_PAGE,
210 /*page_length*/sizeof(struct scsi_caching_page) - 2,
211 /*flags1*/ SCP_DISC | SCP_WCE,
213 /*disable_pf_transfer_len*/ {0xff, 0xff},
214 /*min_prefetch*/ {0, 0},
215 /*max_prefetch*/ {0xff, 0xff},
216 /*max_pf_ceiling*/ {0xff, 0xff},
218 /*cache_segments*/ 0,
219 /*cache_seg_size*/ {0, 0},
221 /*non_cache_seg_size*/ {0, 0, 0}
224 const static struct scsi_caching_page caching_page_changeable = {
225 /*page_code*/SMS_CACHING_PAGE,
226 /*page_length*/sizeof(struct scsi_caching_page) - 2,
227 /*flags1*/ SCP_WCE | SCP_RCD,
229 /*disable_pf_transfer_len*/ {0, 0},
230 /*min_prefetch*/ {0, 0},
231 /*max_prefetch*/ {0, 0},
232 /*max_pf_ceiling*/ {0, 0},
234 /*cache_segments*/ 0,
235 /*cache_seg_size*/ {0, 0},
237 /*non_cache_seg_size*/ {0, 0, 0}
240 const static struct scsi_control_page control_page_default = {
241 /*page_code*/SMS_CONTROL_MODE_PAGE,
242 /*page_length*/sizeof(struct scsi_control_page) - 2,
244 /*queue_flags*/SCP_QUEUE_ALG_RESTRICTED,
247 /*aen_holdoff_period*/{0, 0},
248 /*busy_timeout_period*/{0, 0},
249 /*extended_selftest_completion_time*/{0, 0}
252 const static struct scsi_control_page control_page_changeable = {
253 /*page_code*/SMS_CONTROL_MODE_PAGE,
254 /*page_length*/sizeof(struct scsi_control_page) - 2,
256 /*queue_flags*/SCP_QUEUE_ALG_MASK,
257 /*eca_and_aen*/SCP_SWP,
259 /*aen_holdoff_period*/{0, 0},
260 /*busy_timeout_period*/{0, 0},
261 /*extended_selftest_completion_time*/{0, 0}
264 #define CTL_CEM_LEN (sizeof(struct scsi_control_ext_page) - 4)
266 const static struct scsi_control_ext_page control_ext_page_default = {
267 /*page_code*/SMS_CONTROL_MODE_PAGE | SMPH_SPF,
268 /*subpage_code*/0x01,
269 /*page_length*/{CTL_CEM_LEN >> 8, CTL_CEM_LEN},
275 const static struct scsi_control_ext_page control_ext_page_changeable = {
276 /*page_code*/SMS_CONTROL_MODE_PAGE | SMPH_SPF,
277 /*subpage_code*/0x01,
278 /*page_length*/{CTL_CEM_LEN >> 8, CTL_CEM_LEN},
284 const static struct scsi_info_exceptions_page ie_page_default = {
285 /*page_code*/SMS_INFO_EXCEPTIONS_PAGE,
286 /*page_length*/sizeof(struct scsi_info_exceptions_page) - 2,
287 /*info_flags*/SIEP_FLAGS_EWASC,
288 /*mrie*/SIEP_MRIE_NO,
289 /*interval_timer*/{0, 0, 0, 0},
290 /*report_count*/{0, 0, 0, 1}
293 const static struct scsi_info_exceptions_page ie_page_changeable = {
294 /*page_code*/SMS_INFO_EXCEPTIONS_PAGE,
295 /*page_length*/sizeof(struct scsi_info_exceptions_page) - 2,
296 /*info_flags*/SIEP_FLAGS_EWASC | SIEP_FLAGS_DEXCPT | SIEP_FLAGS_TEST |
299 /*interval_timer*/{0xff, 0xff, 0xff, 0xff},
300 /*report_count*/{0xff, 0xff, 0xff, 0xff}
303 #define CTL_LBPM_LEN (sizeof(struct ctl_logical_block_provisioning_page) - 4)
305 const static struct ctl_logical_block_provisioning_page lbp_page_default = {{
306 /*page_code*/SMS_INFO_EXCEPTIONS_PAGE | SMPH_SPF,
307 /*subpage_code*/0x02,
308 /*page_length*/{CTL_LBPM_LEN >> 8, CTL_LBPM_LEN},
310 /*reserved*/{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
315 /*count*/{0, 0, 0, 0}},
319 /*count*/{0, 0, 0, 0}},
323 /*count*/{0, 0, 0, 0}},
327 /*count*/{0, 0, 0, 0}}
331 const static struct ctl_logical_block_provisioning_page lbp_page_changeable = {{
332 /*page_code*/SMS_INFO_EXCEPTIONS_PAGE | SMPH_SPF,
333 /*subpage_code*/0x02,
334 /*page_length*/{CTL_LBPM_LEN >> 8, CTL_LBPM_LEN},
336 /*reserved*/{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
341 /*count*/{0, 0, 0, 0}},
345 /*count*/{0, 0, 0, 0}},
349 /*count*/{0, 0, 0, 0}},
353 /*count*/{0, 0, 0, 0}}
357 const static struct scsi_cddvd_capabilities_page cddvd_page_default = {
358 /*page_code*/SMS_CDDVD_CAPS_PAGE,
359 /*page_length*/sizeof(struct scsi_cddvd_capabilities_page) - 2,
367 /*nvol_levels*/{0, 0},
368 /*buffer_size*/{8, 0},
373 /*copy_management*/0,
375 /*rotation_control*/0,
376 /*cur_write_speed*/0,
377 /*num_speed_descr*/0,
380 const static struct scsi_cddvd_capabilities_page cddvd_page_changeable = {
381 /*page_code*/SMS_CDDVD_CAPS_PAGE,
382 /*page_length*/sizeof(struct scsi_cddvd_capabilities_page) - 2,
390 /*nvol_levels*/{0, 0},
391 /*buffer_size*/{0, 0},
396 /*copy_management*/0,
398 /*rotation_control*/0,
399 /*cur_write_speed*/0,
400 /*num_speed_descr*/0,
403 SYSCTL_NODE(_kern_cam, OID_AUTO, ctl, CTLFLAG_RD, 0, "CAM Target Layer");
404 static int worker_threads = -1;
405 TUNABLE_INT("kern.cam.ctl.worker_threads", &worker_threads);
406 SYSCTL_INT(_kern_cam_ctl, OID_AUTO, worker_threads, CTLFLAG_RDTUN,
407 &worker_threads, 1, "Number of worker threads");
408 static int ctl_debug = CTL_DEBUG_NONE;
409 TUNABLE_INT("kern.cam.ctl.debug", &ctl_debug);
410 SYSCTL_INT(_kern_cam_ctl, OID_AUTO, debug, CTLFLAG_RWTUN,
411 &ctl_debug, 0, "Enabled debug flags");
414 * Supported pages (0x00), Serial number (0x80), Device ID (0x83),
415 * Extended INQUIRY Data (0x86), Mode Page Policy (0x87),
416 * SCSI Ports (0x88), Third-party Copy (0x8F), Block limits (0xB0),
417 * Block Device Characteristics (0xB1) and Logical Block Provisioning (0xB2)
419 #define SCSI_EVPD_NUM_SUPPORTED_PAGES 10
421 static void ctl_isc_event_handler(ctl_ha_channel chanel, ctl_ha_event event,
423 static void ctl_copy_sense_data(union ctl_ha_msg *src, union ctl_io *dest);
424 static void ctl_copy_sense_data_back(union ctl_io *src, union ctl_ha_msg *dest);
425 static int ctl_init(void);
426 void ctl_shutdown(void);
427 static int ctl_open(struct cdev *dev, int flags, int fmt, struct thread *td);
428 static int ctl_close(struct cdev *dev, int flags, int fmt, struct thread *td);
429 static int ctl_serialize_other_sc_cmd(struct ctl_scsiio *ctsio);
430 static void ctl_ioctl_fill_ooa(struct ctl_lun *lun, uint32_t *cur_fill_num,
431 struct ctl_ooa *ooa_hdr,
432 struct ctl_ooa_entry *kern_entries);
433 static int ctl_ioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag,
435 static int ctl_alloc_lun(struct ctl_softc *ctl_softc, struct ctl_lun *lun,
436 struct ctl_be_lun *be_lun);
437 static int ctl_free_lun(struct ctl_lun *lun);
438 static void ctl_create_lun(struct ctl_be_lun *be_lun);
439 static struct ctl_port * ctl_io_port(struct ctl_io_hdr *io_hdr);
441 static int ctl_do_mode_select(union ctl_io *io);
442 static int ctl_pro_preempt(struct ctl_softc *softc, struct ctl_lun *lun,
443 uint64_t res_key, uint64_t sa_res_key,
444 uint8_t type, uint32_t residx,
445 struct ctl_scsiio *ctsio,
446 struct scsi_per_res_out *cdb,
447 struct scsi_per_res_out_parms* param);
448 static void ctl_pro_preempt_other(struct ctl_lun *lun,
449 union ctl_ha_msg *msg);
450 static void ctl_hndl_per_res_out_on_other_sc(union ctl_ha_msg *msg);
451 static int ctl_inquiry_evpd_supported(struct ctl_scsiio *ctsio, int alloc_len);
452 static int ctl_inquiry_evpd_serial(struct ctl_scsiio *ctsio, int alloc_len);
453 static int ctl_inquiry_evpd_devid(struct ctl_scsiio *ctsio, int alloc_len);
454 static int ctl_inquiry_evpd_eid(struct ctl_scsiio *ctsio, int alloc_len);
455 static int ctl_inquiry_evpd_mpp(struct ctl_scsiio *ctsio, int alloc_len);
456 static int ctl_inquiry_evpd_scsi_ports(struct ctl_scsiio *ctsio,
458 static int ctl_inquiry_evpd_block_limits(struct ctl_scsiio *ctsio,
460 static int ctl_inquiry_evpd_bdc(struct ctl_scsiio *ctsio, int alloc_len);
461 static int ctl_inquiry_evpd_lbp(struct ctl_scsiio *ctsio, int alloc_len);
462 static int ctl_inquiry_evpd(struct ctl_scsiio *ctsio);
463 static int ctl_inquiry_std(struct ctl_scsiio *ctsio);
464 static int ctl_get_lba_len(union ctl_io *io, uint64_t *lba, uint64_t *len);
465 static ctl_action ctl_extent_check(union ctl_io *io1, union ctl_io *io2,
467 static ctl_action ctl_extent_check_seq(union ctl_io *io1, union ctl_io *io2);
468 static ctl_action ctl_check_for_blockage(struct ctl_lun *lun,
469 union ctl_io *pending_io, union ctl_io *ooa_io);
470 static ctl_action ctl_check_ooa(struct ctl_lun *lun, union ctl_io *pending_io,
471 union ctl_io *starting_io);
472 static int ctl_check_blocked(struct ctl_lun *lun);
473 static int ctl_scsiio_lun_check(struct ctl_lun *lun,
474 const struct ctl_cmd_entry *entry,
475 struct ctl_scsiio *ctsio);
476 static void ctl_failover_lun(union ctl_io *io);
477 static int ctl_scsiio_precheck(struct ctl_softc *ctl_softc,
478 struct ctl_scsiio *ctsio);
479 static int ctl_scsiio(struct ctl_scsiio *ctsio);
481 static int ctl_bus_reset(struct ctl_softc *ctl_softc, union ctl_io *io);
482 static int ctl_target_reset(struct ctl_softc *ctl_softc, union ctl_io *io,
483 ctl_ua_type ua_type);
484 static int ctl_do_lun_reset(struct ctl_lun *lun, union ctl_io *io,
485 ctl_ua_type ua_type);
486 static int ctl_lun_reset(struct ctl_softc *ctl_softc, union ctl_io *io);
487 static int ctl_abort_task(union ctl_io *io);
488 static int ctl_abort_task_set(union ctl_io *io);
489 static int ctl_query_task(union ctl_io *io, int task_set);
490 static int ctl_i_t_nexus_reset(union ctl_io *io);
491 static int ctl_query_async_event(union ctl_io *io);
492 static void ctl_run_task(union ctl_io *io);
494 static void ctl_datamove_timer_wakeup(void *arg);
495 static void ctl_done_timer_wakeup(void *arg);
496 #endif /* CTL_IO_DELAY */
498 static void ctl_send_datamove_done(union ctl_io *io, int have_lock);
499 static void ctl_datamove_remote_write_cb(struct ctl_ha_dt_req *rq);
500 static int ctl_datamove_remote_dm_write_cb(union ctl_io *io);
501 static void ctl_datamove_remote_write(union ctl_io *io);
502 static int ctl_datamove_remote_dm_read_cb(union ctl_io *io);
503 static void ctl_datamove_remote_read_cb(struct ctl_ha_dt_req *rq);
504 static int ctl_datamove_remote_sgl_setup(union ctl_io *io);
505 static int ctl_datamove_remote_xfer(union ctl_io *io, unsigned command,
506 ctl_ha_dt_cb callback);
507 static void ctl_datamove_remote_read(union ctl_io *io);
508 static void ctl_datamove_remote(union ctl_io *io);
509 static void ctl_process_done(union ctl_io *io);
510 static void ctl_lun_thread(void *arg);
511 static void ctl_thresh_thread(void *arg);
512 static void ctl_work_thread(void *arg);
513 static void ctl_enqueue_incoming(union ctl_io *io);
514 static void ctl_enqueue_rtr(union ctl_io *io);
515 static void ctl_enqueue_done(union ctl_io *io);
516 static void ctl_enqueue_isc(union ctl_io *io);
517 static const struct ctl_cmd_entry *
518 ctl_get_cmd_entry(struct ctl_scsiio *ctsio, int *sa);
519 static const struct ctl_cmd_entry *
520 ctl_validate_command(struct ctl_scsiio *ctsio);
521 static int ctl_cmd_applicable(uint8_t lun_type,
522 const struct ctl_cmd_entry *entry);
524 static uint64_t ctl_get_prkey(struct ctl_lun *lun, uint32_t residx);
525 static void ctl_clr_prkey(struct ctl_lun *lun, uint32_t residx);
526 static void ctl_alloc_prkey(struct ctl_lun *lun, uint32_t residx);
527 static void ctl_set_prkey(struct ctl_lun *lun, uint32_t residx, uint64_t key);
530 * Load the serialization table. This isn't very pretty, but is probably
531 * the easiest way to do it.
533 #include "ctl_ser_table.c"
536 * We only need to define open, close and ioctl routines for this driver.
538 static struct cdevsw ctl_cdevsw = {
539 .d_version = D_VERSION,
542 .d_close = ctl_close,
543 .d_ioctl = ctl_ioctl,
548 MALLOC_DEFINE(M_CTL, "ctlmem", "Memory used for CTL");
550 static int ctl_module_event_handler(module_t, int /*modeventtype_t*/, void *);
552 static moduledata_t ctl_moduledata = {
554 ctl_module_event_handler,
558 DECLARE_MODULE(ctl, ctl_moduledata, SI_SUB_CONFIGURE, SI_ORDER_THIRD);
559 MODULE_VERSION(ctl, 1);
561 static struct ctl_frontend ha_frontend =
567 ctl_ha_datamove(union ctl_io *io)
570 struct ctl_sg_entry *sgl;
571 union ctl_ha_msg msg;
572 uint32_t sg_entries_sent;
573 int do_sg_copy, i, j;
575 lun = (struct ctl_lun *)io->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
576 memset(&msg.dt, 0, sizeof(msg.dt));
577 msg.hdr.msg_type = CTL_MSG_DATAMOVE;
578 msg.hdr.original_sc = io->io_hdr.original_sc;
579 msg.hdr.serializing_sc = io;
580 msg.hdr.nexus = io->io_hdr.nexus;
581 msg.hdr.status = io->io_hdr.status;
582 msg.dt.flags = io->io_hdr.flags;
585 * We convert everything into a S/G list here. We can't
586 * pass by reference, only by value between controllers.
587 * So we can't pass a pointer to the S/G list, only as many
588 * S/G entries as we can fit in here. If it's possible for
589 * us to get more than CTL_HA_MAX_SG_ENTRIES S/G entries,
590 * then we need to break this up into multiple transfers.
592 if (io->scsiio.kern_sg_entries == 0) {
593 msg.dt.kern_sg_entries = 1;
595 if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) {
596 msg.dt.sg_list[0].addr = io->scsiio.kern_data_ptr;
598 /* XXX KDM use busdma here! */
599 msg.dt.sg_list[0].addr =
600 (void *)vtophys(io->scsiio.kern_data_ptr);
603 KASSERT((io->io_hdr.flags & CTL_FLAG_BUS_ADDR) == 0,
604 ("HA does not support BUS_ADDR"));
605 msg.dt.sg_list[0].addr = io->scsiio.kern_data_ptr;
607 msg.dt.sg_list[0].len = io->scsiio.kern_data_len;
610 msg.dt.kern_sg_entries = io->scsiio.kern_sg_entries;
614 msg.dt.kern_data_len = io->scsiio.kern_data_len;
615 msg.dt.kern_total_len = io->scsiio.kern_total_len;
616 msg.dt.kern_data_resid = io->scsiio.kern_data_resid;
617 msg.dt.kern_rel_offset = io->scsiio.kern_rel_offset;
618 msg.dt.sg_sequence = 0;
621 * Loop until we've sent all of the S/G entries. On the
622 * other end, we'll recompose these S/G entries into one
623 * contiguous list before processing.
625 for (sg_entries_sent = 0; sg_entries_sent < msg.dt.kern_sg_entries;
626 msg.dt.sg_sequence++) {
627 msg.dt.cur_sg_entries = MIN((sizeof(msg.dt.sg_list) /
628 sizeof(msg.dt.sg_list[0])),
629 msg.dt.kern_sg_entries - sg_entries_sent);
630 if (do_sg_copy != 0) {
631 sgl = (struct ctl_sg_entry *)io->scsiio.kern_data_ptr;
632 for (i = sg_entries_sent, j = 0;
633 i < msg.dt.cur_sg_entries; i++, j++) {
635 if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) {
636 msg.dt.sg_list[j].addr = sgl[i].addr;
638 /* XXX KDM use busdma here! */
639 msg.dt.sg_list[j].addr =
640 (void *)vtophys(sgl[i].addr);
643 KASSERT((io->io_hdr.flags &
644 CTL_FLAG_BUS_ADDR) == 0,
645 ("HA does not support BUS_ADDR"));
646 msg.dt.sg_list[j].addr = sgl[i].addr;
648 msg.dt.sg_list[j].len = sgl[i].len;
652 sg_entries_sent += msg.dt.cur_sg_entries;
653 msg.dt.sg_last = (sg_entries_sent >= msg.dt.kern_sg_entries);
654 if (ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg,
655 sizeof(msg.dt) - sizeof(msg.dt.sg_list) +
656 sizeof(struct ctl_sg_entry) * msg.dt.cur_sg_entries,
657 M_WAITOK) > CTL_HA_STATUS_SUCCESS) {
658 io->io_hdr.port_status = 31341;
659 io->scsiio.be_move_done(io);
662 msg.dt.sent_sg_entries = sg_entries_sent;
666 * Officially handover the request from us to peer.
667 * If failover has just happened, then we must return error.
668 * If failover happen just after, then it is not our problem.
671 mtx_lock(&lun->lun_lock);
672 if (io->io_hdr.flags & CTL_FLAG_FAILOVER) {
674 mtx_unlock(&lun->lun_lock);
675 io->io_hdr.port_status = 31342;
676 io->scsiio.be_move_done(io);
679 io->io_hdr.flags &= ~CTL_FLAG_IO_ACTIVE;
680 io->io_hdr.flags |= CTL_FLAG_DMA_INPROG;
682 mtx_unlock(&lun->lun_lock);
686 ctl_ha_done(union ctl_io *io)
688 union ctl_ha_msg msg;
690 if (io->io_hdr.io_type == CTL_IO_SCSI) {
691 memset(&msg, 0, sizeof(msg));
692 msg.hdr.msg_type = CTL_MSG_FINISH_IO;
693 msg.hdr.original_sc = io->io_hdr.original_sc;
694 msg.hdr.nexus = io->io_hdr.nexus;
695 msg.hdr.status = io->io_hdr.status;
696 msg.scsi.scsi_status = io->scsiio.scsi_status;
697 msg.scsi.tag_num = io->scsiio.tag_num;
698 msg.scsi.tag_type = io->scsiio.tag_type;
699 msg.scsi.sense_len = io->scsiio.sense_len;
700 msg.scsi.sense_residual = io->scsiio.sense_residual;
701 msg.scsi.residual = io->scsiio.residual;
702 memcpy(&msg.scsi.sense_data, &io->scsiio.sense_data,
703 io->scsiio.sense_len);
704 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg,
705 sizeof(msg.scsi) - sizeof(msg.scsi.sense_data) +
706 msg.scsi.sense_len, M_WAITOK);
712 ctl_isc_handler_finish_xfer(struct ctl_softc *ctl_softc,
713 union ctl_ha_msg *msg_info)
715 struct ctl_scsiio *ctsio;
717 if (msg_info->hdr.original_sc == NULL) {
718 printf("%s: original_sc == NULL!\n", __func__);
719 /* XXX KDM now what? */
723 ctsio = &msg_info->hdr.original_sc->scsiio;
724 ctsio->io_hdr.flags |= CTL_FLAG_IO_ACTIVE;
725 ctsio->io_hdr.msg_type = CTL_MSG_FINISH_IO;
726 ctsio->io_hdr.status = msg_info->hdr.status;
727 ctsio->scsi_status = msg_info->scsi.scsi_status;
728 ctsio->sense_len = msg_info->scsi.sense_len;
729 ctsio->sense_residual = msg_info->scsi.sense_residual;
730 ctsio->residual = msg_info->scsi.residual;
731 memcpy(&ctsio->sense_data, &msg_info->scsi.sense_data,
732 msg_info->scsi.sense_len);
733 ctl_enqueue_isc((union ctl_io *)ctsio);
737 ctl_isc_handler_finish_ser_only(struct ctl_softc *ctl_softc,
738 union ctl_ha_msg *msg_info)
740 struct ctl_scsiio *ctsio;
742 if (msg_info->hdr.serializing_sc == NULL) {
743 printf("%s: serializing_sc == NULL!\n", __func__);
744 /* XXX KDM now what? */
748 ctsio = &msg_info->hdr.serializing_sc->scsiio;
749 ctsio->io_hdr.msg_type = CTL_MSG_FINISH_IO;
750 ctl_enqueue_isc((union ctl_io *)ctsio);
754 ctl_isc_announce_lun(struct ctl_lun *lun)
756 struct ctl_softc *softc = lun->ctl_softc;
757 union ctl_ha_msg *msg;
758 struct ctl_ha_msg_lun_pr_key pr_key;
761 if (softc->ha_link != CTL_HA_LINK_ONLINE)
763 mtx_lock(&lun->lun_lock);
764 i = sizeof(msg->lun);
766 i += lun->lun_devid->len;
767 i += sizeof(pr_key) * lun->pr_key_count;
769 mtx_unlock(&lun->lun_lock);
770 msg = malloc(i, M_CTL, M_WAITOK);
771 mtx_lock(&lun->lun_lock);
772 k = sizeof(msg->lun);
774 k += lun->lun_devid->len;
775 k += sizeof(pr_key) * lun->pr_key_count;
781 bzero(&msg->lun, sizeof(msg->lun));
782 msg->hdr.msg_type = CTL_MSG_LUN_SYNC;
783 msg->hdr.nexus.targ_lun = lun->lun;
784 msg->hdr.nexus.targ_mapped_lun = lun->lun;
785 msg->lun.flags = lun->flags;
786 msg->lun.pr_generation = lun->pr_generation;
787 msg->lun.pr_res_idx = lun->pr_res_idx;
788 msg->lun.pr_res_type = lun->pr_res_type;
789 msg->lun.pr_key_count = lun->pr_key_count;
791 if (lun->lun_devid) {
792 msg->lun.lun_devid_len = lun->lun_devid->len;
793 memcpy(&msg->lun.data[i], lun->lun_devid->data,
794 msg->lun.lun_devid_len);
795 i += msg->lun.lun_devid_len;
797 for (k = 0; k < CTL_MAX_INITIATORS; k++) {
798 if ((pr_key.pr_key = ctl_get_prkey(lun, k)) == 0)
801 memcpy(&msg->lun.data[i], &pr_key, sizeof(pr_key));
804 mtx_unlock(&lun->lun_lock);
805 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg->port, sizeof(msg->port) + i,
809 if (lun->flags & CTL_LUN_PRIMARY_SC) {
810 for (i = 0; i < CTL_NUM_MODE_PAGES; i++) {
811 ctl_isc_announce_mode(lun, -1,
812 lun->mode_pages.index[i].page_code & SMPH_PC_MASK,
813 lun->mode_pages.index[i].subpage);
819 ctl_isc_announce_port(struct ctl_port *port)
821 struct ctl_softc *softc = port->ctl_softc;
822 union ctl_ha_msg *msg;
825 if (port->targ_port < softc->port_min ||
826 port->targ_port >= softc->port_max ||
827 softc->ha_link != CTL_HA_LINK_ONLINE)
829 i = sizeof(msg->port) + strlen(port->port_name) + 1;
831 i += sizeof(uint32_t) * CTL_MAX_LUNS;
832 if (port->port_devid)
833 i += port->port_devid->len;
834 if (port->target_devid)
835 i += port->target_devid->len;
836 if (port->init_devid)
837 i += port->init_devid->len;
838 msg = malloc(i, M_CTL, M_WAITOK);
839 bzero(&msg->port, sizeof(msg->port));
840 msg->hdr.msg_type = CTL_MSG_PORT_SYNC;
841 msg->hdr.nexus.targ_port = port->targ_port;
842 msg->port.port_type = port->port_type;
843 msg->port.physical_port = port->physical_port;
844 msg->port.virtual_port = port->virtual_port;
845 msg->port.status = port->status;
847 msg->port.name_len = sprintf(&msg->port.data[i],
848 "%d:%s", softc->ha_id, port->port_name) + 1;
849 i += msg->port.name_len;
851 msg->port.lun_map_len = sizeof(uint32_t) * CTL_MAX_LUNS;
852 memcpy(&msg->port.data[i], port->lun_map,
853 msg->port.lun_map_len);
854 i += msg->port.lun_map_len;
856 if (port->port_devid) {
857 msg->port.port_devid_len = port->port_devid->len;
858 memcpy(&msg->port.data[i], port->port_devid->data,
859 msg->port.port_devid_len);
860 i += msg->port.port_devid_len;
862 if (port->target_devid) {
863 msg->port.target_devid_len = port->target_devid->len;
864 memcpy(&msg->port.data[i], port->target_devid->data,
865 msg->port.target_devid_len);
866 i += msg->port.target_devid_len;
868 if (port->init_devid) {
869 msg->port.init_devid_len = port->init_devid->len;
870 memcpy(&msg->port.data[i], port->init_devid->data,
871 msg->port.init_devid_len);
872 i += msg->port.init_devid_len;
874 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg->port, sizeof(msg->port) + i,
880 ctl_isc_announce_iid(struct ctl_port *port, int iid)
882 struct ctl_softc *softc = port->ctl_softc;
883 union ctl_ha_msg *msg;
886 if (port->targ_port < softc->port_min ||
887 port->targ_port >= softc->port_max ||
888 softc->ha_link != CTL_HA_LINK_ONLINE)
890 mtx_lock(&softc->ctl_lock);
891 i = sizeof(msg->iid);
893 if (port->wwpn_iid[iid].name)
894 l = strlen(port->wwpn_iid[iid].name) + 1;
896 msg = malloc(i, M_CTL, M_NOWAIT);
898 mtx_unlock(&softc->ctl_lock);
901 bzero(&msg->iid, sizeof(msg->iid));
902 msg->hdr.msg_type = CTL_MSG_IID_SYNC;
903 msg->hdr.nexus.targ_port = port->targ_port;
904 msg->hdr.nexus.initid = iid;
905 msg->iid.in_use = port->wwpn_iid[iid].in_use;
906 msg->iid.name_len = l;
907 msg->iid.wwpn = port->wwpn_iid[iid].wwpn;
908 if (port->wwpn_iid[iid].name)
909 strlcpy(msg->iid.data, port->wwpn_iid[iid].name, l);
910 mtx_unlock(&softc->ctl_lock);
911 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg->iid, i, M_NOWAIT);
916 ctl_isc_announce_mode(struct ctl_lun *lun, uint32_t initidx,
917 uint8_t page, uint8_t subpage)
919 struct ctl_softc *softc = lun->ctl_softc;
920 union ctl_ha_msg msg;
923 if (softc->ha_link != CTL_HA_LINK_ONLINE)
925 for (i = 0; i < CTL_NUM_MODE_PAGES; i++) {
926 if ((lun->mode_pages.index[i].page_code & SMPH_PC_MASK) ==
927 page && lun->mode_pages.index[i].subpage == subpage)
930 if (i == CTL_NUM_MODE_PAGES)
933 /* Don't try to replicate pages not present on this device. */
934 if (lun->mode_pages.index[i].page_data == NULL)
937 bzero(&msg.mode, sizeof(msg.mode));
938 msg.hdr.msg_type = CTL_MSG_MODE_SYNC;
939 msg.hdr.nexus.targ_port = initidx / CTL_MAX_INIT_PER_PORT;
940 msg.hdr.nexus.initid = initidx % CTL_MAX_INIT_PER_PORT;
941 msg.hdr.nexus.targ_lun = lun->lun;
942 msg.hdr.nexus.targ_mapped_lun = lun->lun;
943 msg.mode.page_code = page;
944 msg.mode.subpage = subpage;
945 msg.mode.page_len = lun->mode_pages.index[i].page_len;
946 memcpy(msg.mode.data, lun->mode_pages.index[i].page_data,
948 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg.mode, sizeof(msg.mode),
953 ctl_isc_ha_link_up(struct ctl_softc *softc)
955 struct ctl_port *port;
957 union ctl_ha_msg msg;
960 /* Announce this node parameters to peer for validation. */
961 msg.login.msg_type = CTL_MSG_LOGIN;
962 msg.login.version = CTL_HA_VERSION;
963 msg.login.ha_mode = softc->ha_mode;
964 msg.login.ha_id = softc->ha_id;
965 msg.login.max_luns = CTL_MAX_LUNS;
966 msg.login.max_ports = CTL_MAX_PORTS;
967 msg.login.max_init_per_port = CTL_MAX_INIT_PER_PORT;
968 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg.login, sizeof(msg.login),
971 STAILQ_FOREACH(port, &softc->port_list, links) {
972 ctl_isc_announce_port(port);
973 for (i = 0; i < CTL_MAX_INIT_PER_PORT; i++) {
974 if (port->wwpn_iid[i].in_use)
975 ctl_isc_announce_iid(port, i);
978 STAILQ_FOREACH(lun, &softc->lun_list, links)
979 ctl_isc_announce_lun(lun);
983 ctl_isc_ha_link_down(struct ctl_softc *softc)
985 struct ctl_port *port;
990 mtx_lock(&softc->ctl_lock);
991 STAILQ_FOREACH(lun, &softc->lun_list, links) {
992 mtx_lock(&lun->lun_lock);
993 if (lun->flags & CTL_LUN_PEER_SC_PRIMARY) {
994 lun->flags &= ~CTL_LUN_PEER_SC_PRIMARY;
995 ctl_est_ua_all(lun, -1, CTL_UA_ASYM_ACC_CHANGE);
997 mtx_unlock(&lun->lun_lock);
999 mtx_unlock(&softc->ctl_lock);
1000 io = ctl_alloc_io(softc->othersc_pool);
1001 mtx_lock(&softc->ctl_lock);
1003 io->io_hdr.msg_type = CTL_MSG_FAILOVER;
1004 io->io_hdr.nexus.targ_mapped_lun = lun->lun;
1005 ctl_enqueue_isc(io);
1008 STAILQ_FOREACH(port, &softc->port_list, links) {
1009 if (port->targ_port >= softc->port_min &&
1010 port->targ_port < softc->port_max)
1012 port->status &= ~CTL_PORT_STATUS_ONLINE;
1013 for (i = 0; i < CTL_MAX_INIT_PER_PORT; i++) {
1014 port->wwpn_iid[i].in_use = 0;
1015 free(port->wwpn_iid[i].name, M_CTL);
1016 port->wwpn_iid[i].name = NULL;
1019 mtx_unlock(&softc->ctl_lock);
1023 ctl_isc_ua(struct ctl_softc *softc, union ctl_ha_msg *msg, int len)
1025 struct ctl_lun *lun;
1026 uint32_t iid = ctl_get_initindex(&msg->hdr.nexus);
1028 mtx_lock(&softc->ctl_lock);
1029 if (msg->hdr.nexus.targ_lun < CTL_MAX_LUNS &&
1030 (lun = softc->ctl_luns[msg->hdr.nexus.targ_mapped_lun]) != NULL) {
1031 mtx_lock(&lun->lun_lock);
1032 mtx_unlock(&softc->ctl_lock);
1033 if (msg->ua.ua_type == CTL_UA_THIN_PROV_THRES &&
1035 memcpy(lun->ua_tpt_info, msg->ua.ua_info, 8);
1036 if (msg->ua.ua_all) {
1038 ctl_est_ua_all(lun, iid, msg->ua.ua_type);
1040 ctl_clr_ua_all(lun, iid, msg->ua.ua_type);
1043 ctl_est_ua(lun, iid, msg->ua.ua_type);
1045 ctl_clr_ua(lun, iid, msg->ua.ua_type);
1047 mtx_unlock(&lun->lun_lock);
1049 mtx_unlock(&softc->ctl_lock);
1053 ctl_isc_lun_sync(struct ctl_softc *softc, union ctl_ha_msg *msg, int len)
1055 struct ctl_lun *lun;
1056 struct ctl_ha_msg_lun_pr_key pr_key;
1058 ctl_lun_flags oflags;
1061 targ_lun = msg->hdr.nexus.targ_mapped_lun;
1062 mtx_lock(&softc->ctl_lock);
1063 if ((targ_lun >= CTL_MAX_LUNS) ||
1064 ((lun = softc->ctl_luns[targ_lun]) == NULL)) {
1065 mtx_unlock(&softc->ctl_lock);
1068 mtx_lock(&lun->lun_lock);
1069 mtx_unlock(&softc->ctl_lock);
1070 if (lun->flags & CTL_LUN_DISABLED) {
1071 mtx_unlock(&lun->lun_lock);
1074 i = (lun->lun_devid != NULL) ? lun->lun_devid->len : 0;
1075 if (msg->lun.lun_devid_len != i || (i > 0 &&
1076 memcmp(&msg->lun.data[0], lun->lun_devid->data, i) != 0)) {
1077 mtx_unlock(&lun->lun_lock);
1078 printf("%s: Received conflicting HA LUN %d\n",
1079 __func__, msg->hdr.nexus.targ_lun);
1082 /* Record whether peer is primary. */
1083 oflags = lun->flags;
1084 if ((msg->lun.flags & CTL_LUN_PRIMARY_SC) &&
1085 (msg->lun.flags & CTL_LUN_DISABLED) == 0)
1086 lun->flags |= CTL_LUN_PEER_SC_PRIMARY;
1088 lun->flags &= ~CTL_LUN_PEER_SC_PRIMARY;
1089 if (oflags != lun->flags)
1090 ctl_est_ua_all(lun, -1, CTL_UA_ASYM_ACC_CHANGE);
1092 /* If peer is primary and we are not -- use data */
1093 if ((lun->flags & CTL_LUN_PRIMARY_SC) == 0 &&
1094 (lun->flags & CTL_LUN_PEER_SC_PRIMARY)) {
1095 lun->pr_generation = msg->lun.pr_generation;
1096 lun->pr_res_idx = msg->lun.pr_res_idx;
1097 lun->pr_res_type = msg->lun.pr_res_type;
1098 lun->pr_key_count = msg->lun.pr_key_count;
1099 for (k = 0; k < CTL_MAX_INITIATORS; k++)
1100 ctl_clr_prkey(lun, k);
1101 for (k = 0; k < msg->lun.pr_key_count; k++) {
1102 memcpy(&pr_key, &msg->lun.data[i],
1104 ctl_alloc_prkey(lun, pr_key.pr_iid);
1105 ctl_set_prkey(lun, pr_key.pr_iid,
1107 i += sizeof(pr_key);
1111 mtx_unlock(&lun->lun_lock);
1112 CTL_DEBUG_PRINT(("%s: Known LUN %d, peer is %s\n",
1113 __func__, msg->hdr.nexus.targ_lun,
1114 (msg->lun.flags & CTL_LUN_PRIMARY_SC) ?
1115 "primary" : "secondary"));
1117 /* If we are primary but peer doesn't know -- notify */
1118 if ((lun->flags & CTL_LUN_PRIMARY_SC) &&
1119 (msg->lun.flags & CTL_LUN_PEER_SC_PRIMARY) == 0)
1120 ctl_isc_announce_lun(lun);
1125 ctl_isc_port_sync(struct ctl_softc *softc, union ctl_ha_msg *msg, int len)
1127 struct ctl_port *port;
1128 struct ctl_lun *lun;
1131 port = softc->ctl_ports[msg->hdr.nexus.targ_port];
1133 CTL_DEBUG_PRINT(("%s: New port %d\n", __func__,
1134 msg->hdr.nexus.targ_port));
1136 port = malloc(sizeof(*port), M_CTL, M_WAITOK | M_ZERO);
1137 port->frontend = &ha_frontend;
1138 port->targ_port = msg->hdr.nexus.targ_port;
1139 port->fe_datamove = ctl_ha_datamove;
1140 port->fe_done = ctl_ha_done;
1141 } else if (port->frontend == &ha_frontend) {
1142 CTL_DEBUG_PRINT(("%s: Updated port %d\n", __func__,
1143 msg->hdr.nexus.targ_port));
1146 printf("%s: Received conflicting HA port %d\n",
1147 __func__, msg->hdr.nexus.targ_port);
1150 port->port_type = msg->port.port_type;
1151 port->physical_port = msg->port.physical_port;
1152 port->virtual_port = msg->port.virtual_port;
1153 port->status = msg->port.status;
1155 free(port->port_name, M_CTL);
1156 port->port_name = strndup(&msg->port.data[i], msg->port.name_len,
1158 i += msg->port.name_len;
1159 if (msg->port.lun_map_len != 0) {
1160 if (port->lun_map == NULL)
1161 port->lun_map = malloc(sizeof(uint32_t) * CTL_MAX_LUNS,
1163 memcpy(port->lun_map, &msg->port.data[i],
1164 sizeof(uint32_t) * CTL_MAX_LUNS);
1165 i += msg->port.lun_map_len;
1167 free(port->lun_map, M_CTL);
1168 port->lun_map = NULL;
1170 if (msg->port.port_devid_len != 0) {
1171 if (port->port_devid == NULL ||
1172 port->port_devid->len != msg->port.port_devid_len) {
1173 free(port->port_devid, M_CTL);
1174 port->port_devid = malloc(sizeof(struct ctl_devid) +
1175 msg->port.port_devid_len, M_CTL, M_WAITOK);
1177 memcpy(port->port_devid->data, &msg->port.data[i],
1178 msg->port.port_devid_len);
1179 port->port_devid->len = msg->port.port_devid_len;
1180 i += msg->port.port_devid_len;
1182 free(port->port_devid, M_CTL);
1183 port->port_devid = NULL;
1185 if (msg->port.target_devid_len != 0) {
1186 if (port->target_devid == NULL ||
1187 port->target_devid->len != msg->port.target_devid_len) {
1188 free(port->target_devid, M_CTL);
1189 port->target_devid = malloc(sizeof(struct ctl_devid) +
1190 msg->port.target_devid_len, M_CTL, M_WAITOK);
1192 memcpy(port->target_devid->data, &msg->port.data[i],
1193 msg->port.target_devid_len);
1194 port->target_devid->len = msg->port.target_devid_len;
1195 i += msg->port.target_devid_len;
1197 free(port->target_devid, M_CTL);
1198 port->target_devid = NULL;
1200 if (msg->port.init_devid_len != 0) {
1201 if (port->init_devid == NULL ||
1202 port->init_devid->len != msg->port.init_devid_len) {
1203 free(port->init_devid, M_CTL);
1204 port->init_devid = malloc(sizeof(struct ctl_devid) +
1205 msg->port.init_devid_len, M_CTL, M_WAITOK);
1207 memcpy(port->init_devid->data, &msg->port.data[i],
1208 msg->port.init_devid_len);
1209 port->init_devid->len = msg->port.init_devid_len;
1210 i += msg->port.init_devid_len;
1212 free(port->init_devid, M_CTL);
1213 port->init_devid = NULL;
1216 if (ctl_port_register(port) != 0) {
1217 printf("%s: ctl_port_register() failed with error\n",
1221 mtx_lock(&softc->ctl_lock);
1222 STAILQ_FOREACH(lun, &softc->lun_list, links) {
1223 if (ctl_lun_map_to_port(port, lun->lun) >= CTL_MAX_LUNS)
1225 mtx_lock(&lun->lun_lock);
1226 ctl_est_ua_all(lun, -1, CTL_UA_INQ_CHANGE);
1227 mtx_unlock(&lun->lun_lock);
1229 mtx_unlock(&softc->ctl_lock);
1233 ctl_isc_iid_sync(struct ctl_softc *softc, union ctl_ha_msg *msg, int len)
1235 struct ctl_port *port;
1238 port = softc->ctl_ports[msg->hdr.nexus.targ_port];
1240 printf("%s: Received IID for unknown port %d\n",
1241 __func__, msg->hdr.nexus.targ_port);
1244 iid = msg->hdr.nexus.initid;
1245 port->wwpn_iid[iid].in_use = msg->iid.in_use;
1246 port->wwpn_iid[iid].wwpn = msg->iid.wwpn;
1247 free(port->wwpn_iid[iid].name, M_CTL);
1248 if (msg->iid.name_len) {
1249 port->wwpn_iid[iid].name = strndup(&msg->iid.data[0],
1250 msg->iid.name_len, M_CTL);
1252 port->wwpn_iid[iid].name = NULL;
1256 ctl_isc_login(struct ctl_softc *softc, union ctl_ha_msg *msg, int len)
1259 if (msg->login.version != CTL_HA_VERSION) {
1260 printf("CTL HA peers have different versions %d != %d\n",
1261 msg->login.version, CTL_HA_VERSION);
1262 ctl_ha_msg_abort(CTL_HA_CHAN_CTL);
1265 if (msg->login.ha_mode != softc->ha_mode) {
1266 printf("CTL HA peers have different ha_mode %d != %d\n",
1267 msg->login.ha_mode, softc->ha_mode);
1268 ctl_ha_msg_abort(CTL_HA_CHAN_CTL);
1271 if (msg->login.ha_id == softc->ha_id) {
1272 printf("CTL HA peers have same ha_id %d\n", msg->login.ha_id);
1273 ctl_ha_msg_abort(CTL_HA_CHAN_CTL);
1276 if (msg->login.max_luns != CTL_MAX_LUNS ||
1277 msg->login.max_ports != CTL_MAX_PORTS ||
1278 msg->login.max_init_per_port != CTL_MAX_INIT_PER_PORT) {
1279 printf("CTL HA peers have different limits\n");
1280 ctl_ha_msg_abort(CTL_HA_CHAN_CTL);
1286 ctl_isc_mode_sync(struct ctl_softc *softc, union ctl_ha_msg *msg, int len)
1288 struct ctl_lun *lun;
1290 uint32_t initidx, targ_lun;
1292 targ_lun = msg->hdr.nexus.targ_mapped_lun;
1293 mtx_lock(&softc->ctl_lock);
1294 if ((targ_lun >= CTL_MAX_LUNS) ||
1295 ((lun = softc->ctl_luns[targ_lun]) == NULL)) {
1296 mtx_unlock(&softc->ctl_lock);
1299 mtx_lock(&lun->lun_lock);
1300 mtx_unlock(&softc->ctl_lock);
1301 if (lun->flags & CTL_LUN_DISABLED) {
1302 mtx_unlock(&lun->lun_lock);
1305 for (i = 0; i < CTL_NUM_MODE_PAGES; i++) {
1306 if ((lun->mode_pages.index[i].page_code & SMPH_PC_MASK) ==
1307 msg->mode.page_code &&
1308 lun->mode_pages.index[i].subpage == msg->mode.subpage)
1311 if (i == CTL_NUM_MODE_PAGES) {
1312 mtx_unlock(&lun->lun_lock);
1315 memcpy(lun->mode_pages.index[i].page_data, msg->mode.data,
1316 lun->mode_pages.index[i].page_len);
1317 initidx = ctl_get_initindex(&msg->hdr.nexus);
1319 ctl_est_ua_all(lun, initidx, CTL_UA_MODE_CHANGE);
1320 mtx_unlock(&lun->lun_lock);
1324 * ISC (Inter Shelf Communication) event handler. Events from the HA
1325 * subsystem come in here.
1328 ctl_isc_event_handler(ctl_ha_channel channel, ctl_ha_event event, int param)
1330 struct ctl_softc *softc = control_softc;
1332 struct ctl_prio *presio;
1333 ctl_ha_status isc_status;
1335 CTL_DEBUG_PRINT(("CTL: Isc Msg event %d\n", event));
1336 if (event == CTL_HA_EVT_MSG_RECV) {
1337 union ctl_ha_msg *msg, msgbuf;
1339 if (param > sizeof(msgbuf))
1340 msg = malloc(param, M_CTL, M_WAITOK);
1343 isc_status = ctl_ha_msg_recv(CTL_HA_CHAN_CTL, msg, param,
1345 if (isc_status != CTL_HA_STATUS_SUCCESS) {
1346 printf("%s: Error receiving message: %d\n",
1347 __func__, isc_status);
1353 CTL_DEBUG_PRINT(("CTL: msg_type %d\n", msg->msg_type));
1354 switch (msg->hdr.msg_type) {
1355 case CTL_MSG_SERIALIZE:
1356 io = ctl_alloc_io(softc->othersc_pool);
1358 // populate ctsio from msg
1359 io->io_hdr.io_type = CTL_IO_SCSI;
1360 io->io_hdr.msg_type = CTL_MSG_SERIALIZE;
1361 io->io_hdr.original_sc = msg->hdr.original_sc;
1362 io->io_hdr.flags |= CTL_FLAG_FROM_OTHER_SC |
1365 * If we're in serialization-only mode, we don't
1366 * want to go through full done processing. Thus
1369 * XXX KDM add another flag that is more specific.
1371 if (softc->ha_mode != CTL_HA_MODE_XFER)
1372 io->io_hdr.flags |= CTL_FLAG_INT_COPY;
1373 io->io_hdr.nexus = msg->hdr.nexus;
1375 printf("port %u, iid %u, lun %u\n",
1376 io->io_hdr.nexus.targ_port,
1377 io->io_hdr.nexus.initid,
1378 io->io_hdr.nexus.targ_lun);
1380 io->scsiio.tag_num = msg->scsi.tag_num;
1381 io->scsiio.tag_type = msg->scsi.tag_type;
1383 io->io_hdr.start_time = time_uptime;
1384 getbinuptime(&io->io_hdr.start_bt);
1385 #endif /* CTL_TIME_IO */
1386 io->scsiio.cdb_len = msg->scsi.cdb_len;
1387 memcpy(io->scsiio.cdb, msg->scsi.cdb,
1389 if (softc->ha_mode == CTL_HA_MODE_XFER) {
1390 const struct ctl_cmd_entry *entry;
1392 entry = ctl_get_cmd_entry(&io->scsiio, NULL);
1393 io->io_hdr.flags &= ~CTL_FLAG_DATA_MASK;
1395 entry->flags & CTL_FLAG_DATA_MASK;
1397 ctl_enqueue_isc(io);
1400 /* Performed on the Originating SC, XFER mode only */
1401 case CTL_MSG_DATAMOVE: {
1402 struct ctl_sg_entry *sgl;
1405 io = msg->hdr.original_sc;
1407 printf("%s: original_sc == NULL!\n", __func__);
1408 /* XXX KDM do something here */
1411 io->io_hdr.msg_type = CTL_MSG_DATAMOVE;
1412 io->io_hdr.flags |= CTL_FLAG_IO_ACTIVE;
1414 * Keep track of this, we need to send it back over
1415 * when the datamove is complete.
1417 io->io_hdr.serializing_sc = msg->hdr.serializing_sc;
1418 if (msg->hdr.status == CTL_SUCCESS)
1419 io->io_hdr.status = msg->hdr.status;
1421 if (msg->dt.sg_sequence == 0) {
1423 getbinuptime(&io->io_hdr.dma_start_bt);
1425 i = msg->dt.kern_sg_entries +
1426 msg->dt.kern_data_len /
1427 CTL_HA_DATAMOVE_SEGMENT + 1;
1428 sgl = malloc(sizeof(*sgl) * i, M_CTL,
1430 io->io_hdr.remote_sglist = sgl;
1431 io->io_hdr.local_sglist =
1432 &sgl[msg->dt.kern_sg_entries];
1434 io->scsiio.kern_data_ptr = (uint8_t *)sgl;
1436 io->scsiio.kern_sg_entries =
1437 msg->dt.kern_sg_entries;
1438 io->scsiio.rem_sg_entries =
1439 msg->dt.kern_sg_entries;
1440 io->scsiio.kern_data_len =
1441 msg->dt.kern_data_len;
1442 io->scsiio.kern_total_len =
1443 msg->dt.kern_total_len;
1444 io->scsiio.kern_data_resid =
1445 msg->dt.kern_data_resid;
1446 io->scsiio.kern_rel_offset =
1447 msg->dt.kern_rel_offset;
1448 io->io_hdr.flags &= ~CTL_FLAG_BUS_ADDR;
1449 io->io_hdr.flags |= msg->dt.flags &
1452 sgl = (struct ctl_sg_entry *)
1453 io->scsiio.kern_data_ptr;
1455 for (i = msg->dt.sent_sg_entries, j = 0;
1456 i < (msg->dt.sent_sg_entries +
1457 msg->dt.cur_sg_entries); i++, j++) {
1458 sgl[i].addr = msg->dt.sg_list[j].addr;
1459 sgl[i].len = msg->dt.sg_list[j].len;
1462 printf("%s: DATAMOVE: %p,%lu j=%d, i=%d\n",
1463 __func__, sgl[i].addr, sgl[i].len, j, i);
1468 * If this is the last piece of the I/O, we've got
1469 * the full S/G list. Queue processing in the thread.
1470 * Otherwise wait for the next piece.
1472 if (msg->dt.sg_last != 0)
1473 ctl_enqueue_isc(io);
1476 /* Performed on the Serializing (primary) SC, XFER mode only */
1477 case CTL_MSG_DATAMOVE_DONE: {
1478 if (msg->hdr.serializing_sc == NULL) {
1479 printf("%s: serializing_sc == NULL!\n",
1481 /* XXX KDM now what? */
1485 * We grab the sense information here in case
1486 * there was a failure, so we can return status
1487 * back to the initiator.
1489 io = msg->hdr.serializing_sc;
1490 io->io_hdr.msg_type = CTL_MSG_DATAMOVE_DONE;
1491 io->io_hdr.flags &= ~CTL_FLAG_DMA_INPROG;
1492 io->io_hdr.flags |= CTL_FLAG_IO_ACTIVE;
1493 io->io_hdr.port_status = msg->scsi.fetd_status;
1494 io->scsiio.residual = msg->scsi.residual;
1495 if (msg->hdr.status != CTL_STATUS_NONE) {
1496 io->io_hdr.status = msg->hdr.status;
1497 io->scsiio.scsi_status = msg->scsi.scsi_status;
1498 io->scsiio.sense_len = msg->scsi.sense_len;
1499 io->scsiio.sense_residual =msg->scsi.sense_residual;
1500 memcpy(&io->scsiio.sense_data,
1501 &msg->scsi.sense_data,
1502 msg->scsi.sense_len);
1503 if (msg->hdr.status == CTL_SUCCESS)
1504 io->io_hdr.flags |= CTL_FLAG_STATUS_SENT;
1506 ctl_enqueue_isc(io);
1510 /* Preformed on Originating SC, SER_ONLY mode */
1512 io = msg->hdr.original_sc;
1514 printf("%s: original_sc == NULL!\n",
1518 io->io_hdr.flags |= CTL_FLAG_IO_ACTIVE;
1519 io->io_hdr.msg_type = CTL_MSG_R2R;
1520 io->io_hdr.serializing_sc = msg->hdr.serializing_sc;
1521 ctl_enqueue_isc(io);
1525 * Performed on Serializing(i.e. primary SC) SC in SER_ONLY
1527 * Performed on the Originating (i.e. secondary) SC in XFER
1530 case CTL_MSG_FINISH_IO:
1531 if (softc->ha_mode == CTL_HA_MODE_XFER)
1532 ctl_isc_handler_finish_xfer(softc, msg);
1534 ctl_isc_handler_finish_ser_only(softc, msg);
1537 /* Preformed on Originating SC */
1538 case CTL_MSG_BAD_JUJU:
1539 io = msg->hdr.original_sc;
1541 printf("%s: Bad JUJU!, original_sc is NULL!\n",
1545 ctl_copy_sense_data(msg, io);
1547 * IO should have already been cleaned up on other
1548 * SC so clear this flag so we won't send a message
1549 * back to finish the IO there.
1551 io->io_hdr.flags &= ~CTL_FLAG_SENT_2OTHER_SC;
1552 io->io_hdr.flags |= CTL_FLAG_IO_ACTIVE;
1554 /* io = msg->hdr.serializing_sc; */
1555 io->io_hdr.msg_type = CTL_MSG_BAD_JUJU;
1556 ctl_enqueue_isc(io);
1559 /* Handle resets sent from the other side */
1560 case CTL_MSG_MANAGE_TASKS: {
1561 struct ctl_taskio *taskio;
1562 taskio = (struct ctl_taskio *)ctl_alloc_io(
1563 softc->othersc_pool);
1564 ctl_zero_io((union ctl_io *)taskio);
1565 taskio->io_hdr.io_type = CTL_IO_TASK;
1566 taskio->io_hdr.flags |= CTL_FLAG_FROM_OTHER_SC;
1567 taskio->io_hdr.nexus = msg->hdr.nexus;
1568 taskio->task_action = msg->task.task_action;
1569 taskio->tag_num = msg->task.tag_num;
1570 taskio->tag_type = msg->task.tag_type;
1572 taskio->io_hdr.start_time = time_uptime;
1573 getbinuptime(&taskio->io_hdr.start_bt);
1574 #endif /* CTL_TIME_IO */
1575 ctl_run_task((union ctl_io *)taskio);
1578 /* Persistent Reserve action which needs attention */
1579 case CTL_MSG_PERS_ACTION:
1580 presio = (struct ctl_prio *)ctl_alloc_io(
1581 softc->othersc_pool);
1582 ctl_zero_io((union ctl_io *)presio);
1583 presio->io_hdr.msg_type = CTL_MSG_PERS_ACTION;
1584 presio->io_hdr.flags |= CTL_FLAG_FROM_OTHER_SC;
1585 presio->io_hdr.nexus = msg->hdr.nexus;
1586 presio->pr_msg = msg->pr;
1587 ctl_enqueue_isc((union ctl_io *)presio);
1590 ctl_isc_ua(softc, msg, param);
1592 case CTL_MSG_PORT_SYNC:
1593 ctl_isc_port_sync(softc, msg, param);
1595 case CTL_MSG_LUN_SYNC:
1596 ctl_isc_lun_sync(softc, msg, param);
1598 case CTL_MSG_IID_SYNC:
1599 ctl_isc_iid_sync(softc, msg, param);
1602 ctl_isc_login(softc, msg, param);
1604 case CTL_MSG_MODE_SYNC:
1605 ctl_isc_mode_sync(softc, msg, param);
1608 printf("Received HA message of unknown type %d\n",
1610 ctl_ha_msg_abort(CTL_HA_CHAN_CTL);
1615 } else if (event == CTL_HA_EVT_LINK_CHANGE) {
1616 printf("CTL: HA link status changed from %d to %d\n",
1617 softc->ha_link, param);
1618 if (param == softc->ha_link)
1620 if (softc->ha_link == CTL_HA_LINK_ONLINE) {
1621 softc->ha_link = param;
1622 ctl_isc_ha_link_down(softc);
1624 softc->ha_link = param;
1625 if (softc->ha_link == CTL_HA_LINK_ONLINE)
1626 ctl_isc_ha_link_up(softc);
1630 printf("ctl_isc_event_handler: Unknown event %d\n", event);
1636 ctl_copy_sense_data(union ctl_ha_msg *src, union ctl_io *dest)
1639 memcpy(&dest->scsiio.sense_data, &src->scsi.sense_data,
1640 src->scsi.sense_len);
1641 dest->scsiio.scsi_status = src->scsi.scsi_status;
1642 dest->scsiio.sense_len = src->scsi.sense_len;
1643 dest->io_hdr.status = src->hdr.status;
1647 ctl_copy_sense_data_back(union ctl_io *src, union ctl_ha_msg *dest)
1650 memcpy(&dest->scsi.sense_data, &src->scsiio.sense_data,
1651 src->scsiio.sense_len);
1652 dest->scsi.scsi_status = src->scsiio.scsi_status;
1653 dest->scsi.sense_len = src->scsiio.sense_len;
1654 dest->hdr.status = src->io_hdr.status;
1658 ctl_est_ua(struct ctl_lun *lun, uint32_t initidx, ctl_ua_type ua)
1660 struct ctl_softc *softc = lun->ctl_softc;
1663 if (initidx < softc->init_min || initidx >= softc->init_max)
1665 mtx_assert(&lun->lun_lock, MA_OWNED);
1666 pu = lun->pending_ua[initidx / CTL_MAX_INIT_PER_PORT];
1669 pu[initidx % CTL_MAX_INIT_PER_PORT] |= ua;
1673 ctl_est_ua_port(struct ctl_lun *lun, int port, uint32_t except, ctl_ua_type ua)
1677 mtx_assert(&lun->lun_lock, MA_OWNED);
1678 if (lun->pending_ua[port] == NULL)
1680 for (i = 0; i < CTL_MAX_INIT_PER_PORT; i++) {
1681 if (port * CTL_MAX_INIT_PER_PORT + i == except)
1683 lun->pending_ua[port][i] |= ua;
1688 ctl_est_ua_all(struct ctl_lun *lun, uint32_t except, ctl_ua_type ua)
1690 struct ctl_softc *softc = lun->ctl_softc;
1693 mtx_assert(&lun->lun_lock, MA_OWNED);
1694 for (i = softc->port_min; i < softc->port_max; i++)
1695 ctl_est_ua_port(lun, i, except, ua);
1699 ctl_clr_ua(struct ctl_lun *lun, uint32_t initidx, ctl_ua_type ua)
1701 struct ctl_softc *softc = lun->ctl_softc;
1704 if (initidx < softc->init_min || initidx >= softc->init_max)
1706 mtx_assert(&lun->lun_lock, MA_OWNED);
1707 pu = lun->pending_ua[initidx / CTL_MAX_INIT_PER_PORT];
1710 pu[initidx % CTL_MAX_INIT_PER_PORT] &= ~ua;
1714 ctl_clr_ua_all(struct ctl_lun *lun, uint32_t except, ctl_ua_type ua)
1716 struct ctl_softc *softc = lun->ctl_softc;
1719 mtx_assert(&lun->lun_lock, MA_OWNED);
1720 for (i = softc->port_min; i < softc->port_max; i++) {
1721 if (lun->pending_ua[i] == NULL)
1723 for (j = 0; j < CTL_MAX_INIT_PER_PORT; j++) {
1724 if (i * CTL_MAX_INIT_PER_PORT + j == except)
1726 lun->pending_ua[i][j] &= ~ua;
1732 ctl_clr_ua_allluns(struct ctl_softc *ctl_softc, uint32_t initidx,
1733 ctl_ua_type ua_type)
1735 struct ctl_lun *lun;
1737 mtx_assert(&ctl_softc->ctl_lock, MA_OWNED);
1738 STAILQ_FOREACH(lun, &ctl_softc->lun_list, links) {
1739 mtx_lock(&lun->lun_lock);
1740 ctl_clr_ua(lun, initidx, ua_type);
1741 mtx_unlock(&lun->lun_lock);
1746 ctl_ha_role_sysctl(SYSCTL_HANDLER_ARGS)
1748 struct ctl_softc *softc = (struct ctl_softc *)arg1;
1749 struct ctl_lun *lun;
1750 struct ctl_lun_req ireq;
1753 value = (softc->flags & CTL_FLAG_ACTIVE_SHELF) ? 0 : 1;
1754 error = sysctl_handle_int(oidp, &value, 0, req);
1755 if ((error != 0) || (req->newptr == NULL))
1758 mtx_lock(&softc->ctl_lock);
1760 softc->flags |= CTL_FLAG_ACTIVE_SHELF;
1762 softc->flags &= ~CTL_FLAG_ACTIVE_SHELF;
1763 STAILQ_FOREACH(lun, &softc->lun_list, links) {
1764 mtx_unlock(&softc->ctl_lock);
1765 bzero(&ireq, sizeof(ireq));
1766 ireq.reqtype = CTL_LUNREQ_MODIFY;
1767 ireq.reqdata.modify.lun_id = lun->lun;
1768 lun->backend->ioctl(NULL, CTL_LUN_REQ, (caddr_t)&ireq, 0,
1770 if (ireq.status != CTL_LUN_OK) {
1771 printf("%s: CTL_LUNREQ_MODIFY returned %d '%s'\n",
1772 __func__, ireq.status, ireq.error_str);
1774 mtx_lock(&softc->ctl_lock);
1776 mtx_unlock(&softc->ctl_lock);
1783 struct make_dev_args args;
1784 struct ctl_softc *softc;
1788 softc = control_softc = malloc(sizeof(*control_softc), M_DEVBUF,
1791 make_dev_args_init(&args);
1792 args.mda_devsw = &ctl_cdevsw;
1793 args.mda_uid = UID_ROOT;
1794 args.mda_gid = GID_OPERATOR;
1795 args.mda_mode = 0600;
1796 args.mda_si_drv1 = softc;
1797 error = make_dev_s(&args, &softc->dev, "cam/ctl");
1799 free(control_softc, M_DEVBUF);
1803 sysctl_ctx_init(&softc->sysctl_ctx);
1804 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1805 SYSCTL_STATIC_CHILDREN(_kern_cam), OID_AUTO, "ctl",
1806 CTLFLAG_RD, 0, "CAM Target Layer");
1808 if (softc->sysctl_tree == NULL) {
1809 printf("%s: unable to allocate sysctl tree\n", __func__);
1810 destroy_dev(softc->dev);
1811 free(control_softc, M_DEVBUF);
1812 control_softc = NULL;
1816 mtx_init(&softc->ctl_lock, "CTL mutex", NULL, MTX_DEF);
1817 softc->io_zone = uma_zcreate("CTL IO", sizeof(union ctl_io),
1818 NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0);
1821 TUNABLE_INT_FETCH("kern.cam.ctl.ha_mode", (int *)&softc->ha_mode);
1822 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1823 OID_AUTO, "ha_mode", CTLFLAG_RDTUN, (int *)&softc->ha_mode, 0,
1824 "HA mode (0 - act/stby, 1 - serialize only, 2 - xfer)");
1827 * In Copan's HA scheme, the "master" and "slave" roles are
1828 * figured out through the slot the controller is in. Although it
1829 * is an active/active system, someone has to be in charge.
1831 TUNABLE_INT_FETCH("kern.cam.ctl.ha_id", &softc->ha_id);
1832 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1833 OID_AUTO, "ha_id", CTLFLAG_RDTUN, &softc->ha_id, 0,
1834 "HA head ID (0 - no HA)");
1835 if (softc->ha_id == 0 || softc->ha_id > NUM_HA_SHELVES) {
1836 softc->flags |= CTL_FLAG_ACTIVE_SHELF;
1837 softc->is_single = 1;
1838 softc->port_cnt = CTL_MAX_PORTS;
1839 softc->port_min = 0;
1841 softc->port_cnt = CTL_MAX_PORTS / NUM_HA_SHELVES;
1842 softc->port_min = (softc->ha_id - 1) * softc->port_cnt;
1844 softc->port_max = softc->port_min + softc->port_cnt;
1845 softc->init_min = softc->port_min * CTL_MAX_INIT_PER_PORT;
1846 softc->init_max = softc->port_max * CTL_MAX_INIT_PER_PORT;
1848 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1849 OID_AUTO, "ha_link", CTLFLAG_RD, (int *)&softc->ha_link, 0,
1850 "HA link state (0 - offline, 1 - unknown, 2 - online)");
1852 STAILQ_INIT(&softc->lun_list);
1853 STAILQ_INIT(&softc->pending_lun_queue);
1854 STAILQ_INIT(&softc->fe_list);
1855 STAILQ_INIT(&softc->port_list);
1856 STAILQ_INIT(&softc->be_list);
1857 ctl_tpc_init(softc);
1859 if (ctl_pool_create(softc, "othersc", CTL_POOL_ENTRIES_OTHER_SC,
1862 printf("ctl: can't allocate %d entry other SC pool, "
1863 "exiting\n", CTL_POOL_ENTRIES_OTHER_SC);
1866 softc->othersc_pool = other_pool;
1868 if (worker_threads <= 0)
1869 worker_threads = max(1, mp_ncpus / 4);
1870 if (worker_threads > CTL_MAX_THREADS)
1871 worker_threads = CTL_MAX_THREADS;
1873 for (i = 0; i < worker_threads; i++) {
1874 struct ctl_thread *thr = &softc->threads[i];
1876 mtx_init(&thr->queue_lock, "CTL queue mutex", NULL, MTX_DEF);
1877 thr->ctl_softc = softc;
1878 STAILQ_INIT(&thr->incoming_queue);
1879 STAILQ_INIT(&thr->rtr_queue);
1880 STAILQ_INIT(&thr->done_queue);
1881 STAILQ_INIT(&thr->isc_queue);
1883 error = kproc_kthread_add(ctl_work_thread, thr,
1884 &softc->ctl_proc, &thr->thread, 0, 0, "ctl", "work%d", i);
1886 printf("error creating CTL work thread!\n");
1887 ctl_pool_free(other_pool);
1891 error = kproc_kthread_add(ctl_lun_thread, softc,
1892 &softc->ctl_proc, NULL, 0, 0, "ctl", "lun");
1894 printf("error creating CTL lun thread!\n");
1895 ctl_pool_free(other_pool);
1898 error = kproc_kthread_add(ctl_thresh_thread, softc,
1899 &softc->ctl_proc, NULL, 0, 0, "ctl", "thresh");
1901 printf("error creating CTL threshold thread!\n");
1902 ctl_pool_free(other_pool);
1906 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree),
1907 OID_AUTO, "ha_role", CTLTYPE_INT | CTLFLAG_RWTUN,
1908 softc, 0, ctl_ha_role_sysctl, "I", "HA role for this head");
1910 if (softc->is_single == 0) {
1911 ctl_frontend_register(&ha_frontend);
1912 if (ctl_ha_msg_init(softc) != CTL_HA_STATUS_SUCCESS) {
1913 printf("ctl_init: ctl_ha_msg_init failed.\n");
1914 softc->is_single = 1;
1916 if (ctl_ha_msg_register(CTL_HA_CHAN_CTL, ctl_isc_event_handler)
1917 != CTL_HA_STATUS_SUCCESS) {
1918 printf("ctl_init: ctl_ha_msg_register failed.\n");
1919 softc->is_single = 1;
1928 struct ctl_softc *softc = control_softc;
1929 struct ctl_lun *lun, *next_lun;
1931 if (softc->is_single == 0) {
1932 ctl_ha_msg_shutdown(softc);
1933 if (ctl_ha_msg_deregister(CTL_HA_CHAN_CTL)
1934 != CTL_HA_STATUS_SUCCESS)
1935 printf("%s: ctl_ha_msg_deregister failed.\n", __func__);
1936 if (ctl_ha_msg_destroy(softc) != CTL_HA_STATUS_SUCCESS)
1937 printf("%s: ctl_ha_msg_destroy failed.\n", __func__);
1938 ctl_frontend_deregister(&ha_frontend);
1941 mtx_lock(&softc->ctl_lock);
1943 STAILQ_FOREACH_SAFE(lun, &softc->lun_list, links, next_lun)
1946 mtx_unlock(&softc->ctl_lock);
1949 ctl_shutdown_thread(softc->work_thread);
1950 mtx_destroy(&softc->queue_lock);
1953 ctl_tpc_shutdown(softc);
1954 uma_zdestroy(softc->io_zone);
1955 mtx_destroy(&softc->ctl_lock);
1957 destroy_dev(softc->dev);
1959 sysctl_ctx_free(&softc->sysctl_ctx);
1961 free(control_softc, M_DEVBUF);
1962 control_softc = NULL;
1966 ctl_module_event_handler(module_t mod, int what, void *arg)
1971 return (ctl_init());
1975 return (EOPNOTSUPP);
1980 * XXX KDM should we do some access checks here? Bump a reference count to
1981 * prevent a CTL module from being unloaded while someone has it open?
1984 ctl_open(struct cdev *dev, int flags, int fmt, struct thread *td)
1990 ctl_close(struct cdev *dev, int flags, int fmt, struct thread *td)
1996 * Remove an initiator by port number and initiator ID.
1997 * Returns 0 for success, -1 for failure.
2000 ctl_remove_initiator(struct ctl_port *port, int iid)
2002 struct ctl_softc *softc = port->ctl_softc;
2004 mtx_assert(&softc->ctl_lock, MA_NOTOWNED);
2006 if (iid > CTL_MAX_INIT_PER_PORT) {
2007 printf("%s: initiator ID %u > maximun %u!\n",
2008 __func__, iid, CTL_MAX_INIT_PER_PORT);
2012 mtx_lock(&softc->ctl_lock);
2013 port->wwpn_iid[iid].in_use--;
2014 port->wwpn_iid[iid].last_use = time_uptime;
2015 mtx_unlock(&softc->ctl_lock);
2016 ctl_isc_announce_iid(port, iid);
2022 * Add an initiator to the initiator map.
2023 * Returns iid for success, < 0 for failure.
2026 ctl_add_initiator(struct ctl_port *port, int iid, uint64_t wwpn, char *name)
2028 struct ctl_softc *softc = port->ctl_softc;
2032 mtx_assert(&softc->ctl_lock, MA_NOTOWNED);
2034 if (iid >= CTL_MAX_INIT_PER_PORT) {
2035 printf("%s: WWPN %#jx initiator ID %u > maximum %u!\n",
2036 __func__, wwpn, iid, CTL_MAX_INIT_PER_PORT);
2041 mtx_lock(&softc->ctl_lock);
2043 if (iid < 0 && (wwpn != 0 || name != NULL)) {
2044 for (i = 0; i < CTL_MAX_INIT_PER_PORT; i++) {
2045 if (wwpn != 0 && wwpn == port->wwpn_iid[i].wwpn) {
2049 if (name != NULL && port->wwpn_iid[i].name != NULL &&
2050 strcmp(name, port->wwpn_iid[i].name) == 0) {
2058 for (i = 0; i < CTL_MAX_INIT_PER_PORT; i++) {
2059 if (port->wwpn_iid[i].in_use == 0 &&
2060 port->wwpn_iid[i].wwpn == 0 &&
2061 port->wwpn_iid[i].name == NULL) {
2070 best_time = INT32_MAX;
2071 for (i = 0; i < CTL_MAX_INIT_PER_PORT; i++) {
2072 if (port->wwpn_iid[i].in_use == 0) {
2073 if (port->wwpn_iid[i].last_use < best_time) {
2075 best_time = port->wwpn_iid[i].last_use;
2083 mtx_unlock(&softc->ctl_lock);
2088 if (port->wwpn_iid[iid].in_use > 0 && (wwpn != 0 || name != NULL)) {
2090 * This is not an error yet.
2092 if (wwpn != 0 && wwpn == port->wwpn_iid[iid].wwpn) {
2094 printf("%s: port %d iid %u WWPN %#jx arrived"
2095 " again\n", __func__, port->targ_port,
2096 iid, (uintmax_t)wwpn);
2100 if (name != NULL && port->wwpn_iid[iid].name != NULL &&
2101 strcmp(name, port->wwpn_iid[iid].name) == 0) {
2103 printf("%s: port %d iid %u name '%s' arrived"
2104 " again\n", __func__, port->targ_port,
2111 * This is an error, but what do we do about it? The
2112 * driver is telling us we have a new WWPN for this
2113 * initiator ID, so we pretty much need to use it.
2115 printf("%s: port %d iid %u WWPN %#jx '%s' arrived,"
2116 " but WWPN %#jx '%s' is still at that address\n",
2117 __func__, port->targ_port, iid, wwpn, name,
2118 (uintmax_t)port->wwpn_iid[iid].wwpn,
2119 port->wwpn_iid[iid].name);
2122 * XXX KDM clear have_ca and ua_pending on each LUN for
2127 free(port->wwpn_iid[iid].name, M_CTL);
2128 port->wwpn_iid[iid].name = name;
2129 port->wwpn_iid[iid].wwpn = wwpn;
2130 port->wwpn_iid[iid].in_use++;
2131 mtx_unlock(&softc->ctl_lock);
2132 ctl_isc_announce_iid(port, iid);
2138 ctl_create_iid(struct ctl_port *port, int iid, uint8_t *buf)
2142 switch (port->port_type) {
2145 struct scsi_transportid_fcp *id =
2146 (struct scsi_transportid_fcp *)buf;
2147 if (port->wwpn_iid[iid].wwpn == 0)
2149 memset(id, 0, sizeof(*id));
2150 id->format_protocol = SCSI_PROTO_FC;
2151 scsi_u64to8b(port->wwpn_iid[iid].wwpn, id->n_port_name);
2152 return (sizeof(*id));
2154 case CTL_PORT_ISCSI:
2156 struct scsi_transportid_iscsi_port *id =
2157 (struct scsi_transportid_iscsi_port *)buf;
2158 if (port->wwpn_iid[iid].name == NULL)
2161 id->format_protocol = SCSI_TRN_ISCSI_FORMAT_PORT |
2163 len = strlcpy(id->iscsi_name, port->wwpn_iid[iid].name, 252) + 1;
2164 len = roundup2(min(len, 252), 4);
2165 scsi_ulto2b(len, id->additional_length);
2166 return (sizeof(*id) + len);
2170 struct scsi_transportid_sas *id =
2171 (struct scsi_transportid_sas *)buf;
2172 if (port->wwpn_iid[iid].wwpn == 0)
2174 memset(id, 0, sizeof(*id));
2175 id->format_protocol = SCSI_PROTO_SAS;
2176 scsi_u64to8b(port->wwpn_iid[iid].wwpn, id->sas_address);
2177 return (sizeof(*id));
2181 struct scsi_transportid_spi *id =
2182 (struct scsi_transportid_spi *)buf;
2183 memset(id, 0, sizeof(*id));
2184 id->format_protocol = SCSI_PROTO_SPI;
2185 scsi_ulto2b(iid, id->scsi_addr);
2186 scsi_ulto2b(port->targ_port, id->rel_trgt_port_id);
2187 return (sizeof(*id));
2193 * Serialize a command that went down the "wrong" side, and so was sent to
2194 * this controller for execution. The logic is a little different than the
2195 * standard case in ctl_scsiio_precheck(). Errors in this case need to get
2196 * sent back to the other side, but in the success case, we execute the
2197 * command on this side (XFER mode) or tell the other side to execute it
2201 ctl_serialize_other_sc_cmd(struct ctl_scsiio *ctsio)
2203 struct ctl_softc *softc = control_softc;
2204 union ctl_ha_msg msg_info;
2205 struct ctl_port *port;
2206 struct ctl_lun *lun;
2207 const struct ctl_cmd_entry *entry;
2211 targ_lun = ctsio->io_hdr.nexus.targ_mapped_lun;
2212 mtx_lock(&softc->ctl_lock);
2214 /* Make sure that we know about this port. */
2215 port = ctl_io_port(&ctsio->io_hdr);
2216 if (port == NULL || (port->status & CTL_PORT_STATUS_ONLINE) == 0) {
2217 ctl_set_internal_failure(ctsio, /*sks_valid*/ 0,
2222 /* Make sure that we know about this LUN. */
2223 if ((targ_lun < CTL_MAX_LUNS) &&
2224 ((lun = softc->ctl_luns[targ_lun]) != NULL)) {
2225 mtx_lock(&lun->lun_lock);
2226 mtx_unlock(&softc->ctl_lock);
2228 * If the LUN is invalid, pretend that it doesn't exist.
2229 * It will go away as soon as all pending I/O has been
2232 if (lun->flags & CTL_LUN_DISABLED) {
2233 mtx_unlock(&lun->lun_lock);
2237 mtx_unlock(&softc->ctl_lock);
2242 * The other node would not send this request to us unless
2243 * received announce that we are primary node for this LUN.
2244 * If this LUN does not exist now, it is probably result of
2245 * a race, so respond to initiator in the most opaque way.
2247 ctl_set_busy(ctsio);
2251 entry = ctl_get_cmd_entry(ctsio, NULL);
2252 if (ctl_scsiio_lun_check(lun, entry, ctsio) != 0) {
2253 mtx_unlock(&lun->lun_lock);
2257 ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr = lun;
2258 ctsio->io_hdr.ctl_private[CTL_PRIV_BACKEND_LUN].ptr = lun->be_lun;
2261 * Every I/O goes into the OOA queue for a
2262 * particular LUN, and stays there until completion.
2265 if (TAILQ_EMPTY(&lun->ooa_queue))
2266 lun->idle_time += getsbinuptime() - lun->last_busy;
2268 TAILQ_INSERT_TAIL(&lun->ooa_queue, &ctsio->io_hdr, ooa_links);
2270 switch (ctl_check_ooa(lun, (union ctl_io *)ctsio,
2271 (union ctl_io *)TAILQ_PREV(&ctsio->io_hdr, ctl_ooaq,
2273 case CTL_ACTION_BLOCK:
2274 ctsio->io_hdr.flags |= CTL_FLAG_BLOCKED;
2275 TAILQ_INSERT_TAIL(&lun->blocked_queue, &ctsio->io_hdr,
2277 mtx_unlock(&lun->lun_lock);
2279 case CTL_ACTION_PASS:
2280 case CTL_ACTION_SKIP:
2281 if (softc->ha_mode == CTL_HA_MODE_XFER) {
2282 ctsio->io_hdr.flags |= CTL_FLAG_IS_WAS_ON_RTR;
2283 ctl_enqueue_rtr((union ctl_io *)ctsio);
2284 mtx_unlock(&lun->lun_lock);
2286 ctsio->io_hdr.flags &= ~CTL_FLAG_IO_ACTIVE;
2287 mtx_unlock(&lun->lun_lock);
2289 /* send msg back to other side */
2290 msg_info.hdr.original_sc = ctsio->io_hdr.original_sc;
2291 msg_info.hdr.serializing_sc = (union ctl_io *)ctsio;
2292 msg_info.hdr.msg_type = CTL_MSG_R2R;
2293 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg_info,
2294 sizeof(msg_info.hdr), M_WAITOK);
2297 case CTL_ACTION_OVERLAP:
2298 TAILQ_REMOVE(&lun->ooa_queue, &ctsio->io_hdr, ooa_links);
2299 mtx_unlock(&lun->lun_lock);
2300 ctl_set_overlapped_cmd(ctsio);
2302 case CTL_ACTION_OVERLAP_TAG:
2303 TAILQ_REMOVE(&lun->ooa_queue, &ctsio->io_hdr, ooa_links);
2304 mtx_unlock(&lun->lun_lock);
2305 ctl_set_overlapped_tag(ctsio, ctsio->tag_num);
2307 case CTL_ACTION_ERROR:
2309 TAILQ_REMOVE(&lun->ooa_queue, &ctsio->io_hdr, ooa_links);
2310 mtx_unlock(&lun->lun_lock);
2312 ctl_set_internal_failure(ctsio, /*sks_valid*/ 0,
2315 ctl_copy_sense_data_back((union ctl_io *)ctsio, &msg_info);
2316 msg_info.hdr.original_sc = ctsio->io_hdr.original_sc;
2317 msg_info.hdr.serializing_sc = NULL;
2318 msg_info.hdr.msg_type = CTL_MSG_BAD_JUJU;
2319 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg_info,
2320 sizeof(msg_info.scsi), M_WAITOK);
2328 * Returns 0 for success, errno for failure.
2331 ctl_ioctl_fill_ooa(struct ctl_lun *lun, uint32_t *cur_fill_num,
2332 struct ctl_ooa *ooa_hdr, struct ctl_ooa_entry *kern_entries)
2336 mtx_lock(&lun->lun_lock);
2337 for (io = (union ctl_io *)TAILQ_FIRST(&lun->ooa_queue); (io != NULL);
2338 (*cur_fill_num)++, io = (union ctl_io *)TAILQ_NEXT(&io->io_hdr,
2340 struct ctl_ooa_entry *entry;
2343 * If we've got more than we can fit, just count the
2344 * remaining entries.
2346 if (*cur_fill_num >= ooa_hdr->alloc_num)
2349 entry = &kern_entries[*cur_fill_num];
2351 entry->tag_num = io->scsiio.tag_num;
2352 entry->lun_num = lun->lun;
2354 entry->start_bt = io->io_hdr.start_bt;
2356 bcopy(io->scsiio.cdb, entry->cdb, io->scsiio.cdb_len);
2357 entry->cdb_len = io->scsiio.cdb_len;
2358 if (io->io_hdr.flags & CTL_FLAG_BLOCKED)
2359 entry->cmd_flags |= CTL_OOACMD_FLAG_BLOCKED;
2361 if (io->io_hdr.flags & CTL_FLAG_DMA_INPROG)
2362 entry->cmd_flags |= CTL_OOACMD_FLAG_DMA;
2364 if (io->io_hdr.flags & CTL_FLAG_ABORT)
2365 entry->cmd_flags |= CTL_OOACMD_FLAG_ABORT;
2367 if (io->io_hdr.flags & CTL_FLAG_IS_WAS_ON_RTR)
2368 entry->cmd_flags |= CTL_OOACMD_FLAG_RTR;
2370 if (io->io_hdr.flags & CTL_FLAG_DMA_QUEUED)
2371 entry->cmd_flags |= CTL_OOACMD_FLAG_DMA_QUEUED;
2373 mtx_unlock(&lun->lun_lock);
2377 ctl_copyin_alloc(void *user_addr, int len, char *error_str,
2378 size_t error_str_len)
2382 kptr = malloc(len, M_CTL, M_WAITOK | M_ZERO);
2384 if (copyin(user_addr, kptr, len) != 0) {
2385 snprintf(error_str, error_str_len, "Error copying %d bytes "
2386 "from user address %p to kernel address %p", len,
2396 ctl_free_args(int num_args, struct ctl_be_arg *args)
2403 for (i = 0; i < num_args; i++) {
2404 free(args[i].kname, M_CTL);
2405 free(args[i].kvalue, M_CTL);
2411 static struct ctl_be_arg *
2412 ctl_copyin_args(int num_args, struct ctl_be_arg *uargs,
2413 char *error_str, size_t error_str_len)
2415 struct ctl_be_arg *args;
2418 args = ctl_copyin_alloc(uargs, num_args * sizeof(*args),
2419 error_str, error_str_len);
2424 for (i = 0; i < num_args; i++) {
2425 args[i].kname = NULL;
2426 args[i].kvalue = NULL;
2429 for (i = 0; i < num_args; i++) {
2432 args[i].kname = ctl_copyin_alloc(args[i].name,
2433 args[i].namelen, error_str, error_str_len);
2434 if (args[i].kname == NULL)
2437 if (args[i].kname[args[i].namelen - 1] != '\0') {
2438 snprintf(error_str, error_str_len, "Argument %d "
2439 "name is not NUL-terminated", i);
2443 if (args[i].flags & CTL_BEARG_RD) {
2444 tmpptr = ctl_copyin_alloc(args[i].value,
2445 args[i].vallen, error_str, error_str_len);
2448 if ((args[i].flags & CTL_BEARG_ASCII)
2449 && (tmpptr[args[i].vallen - 1] != '\0')) {
2450 snprintf(error_str, error_str_len, "Argument "
2451 "%d value is not NUL-terminated", i);
2452 free(tmpptr, M_CTL);
2455 args[i].kvalue = tmpptr;
2457 args[i].kvalue = malloc(args[i].vallen,
2458 M_CTL, M_WAITOK | M_ZERO);
2465 ctl_free_args(num_args, args);
2471 ctl_copyout_args(int num_args, struct ctl_be_arg *args)
2475 for (i = 0; i < num_args; i++) {
2476 if (args[i].flags & CTL_BEARG_WR)
2477 copyout(args[i].kvalue, args[i].value, args[i].vallen);
2482 * Escape characters that are illegal or not recommended in XML.
2485 ctl_sbuf_printf_esc(struct sbuf *sb, char *str, int size)
2487 char *end = str + size;
2492 for (; *str && str < end; str++) {
2495 retval = sbuf_printf(sb, "&");
2498 retval = sbuf_printf(sb, ">");
2501 retval = sbuf_printf(sb, "<");
2504 retval = sbuf_putc(sb, *str);
2517 ctl_id_sbuf(struct ctl_devid *id, struct sbuf *sb)
2519 struct scsi_vpd_id_descriptor *desc;
2522 if (id == NULL || id->len < 4)
2524 desc = (struct scsi_vpd_id_descriptor *)id->data;
2525 switch (desc->id_type & SVPD_ID_TYPE_MASK) {
2526 case SVPD_ID_TYPE_T10:
2527 sbuf_printf(sb, "t10.");
2529 case SVPD_ID_TYPE_EUI64:
2530 sbuf_printf(sb, "eui.");
2532 case SVPD_ID_TYPE_NAA:
2533 sbuf_printf(sb, "naa.");
2535 case SVPD_ID_TYPE_SCSI_NAME:
2538 switch (desc->proto_codeset & SVPD_ID_CODESET_MASK) {
2539 case SVPD_ID_CODESET_BINARY:
2540 for (i = 0; i < desc->length; i++)
2541 sbuf_printf(sb, "%02x", desc->identifier[i]);
2543 case SVPD_ID_CODESET_ASCII:
2544 sbuf_printf(sb, "%.*s", (int)desc->length,
2545 (char *)desc->identifier);
2547 case SVPD_ID_CODESET_UTF8:
2548 sbuf_printf(sb, "%s", (char *)desc->identifier);
2554 ctl_ioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag,
2557 struct ctl_softc *softc = dev->si_drv1;
2558 struct ctl_lun *lun;
2565 retval = ctl_ioctl_io(dev, cmd, addr, flag, td);
2567 case CTL_ENABLE_PORT:
2568 case CTL_DISABLE_PORT:
2569 case CTL_SET_PORT_WWNS: {
2570 struct ctl_port *port;
2571 struct ctl_port_entry *entry;
2573 entry = (struct ctl_port_entry *)addr;
2575 mtx_lock(&softc->ctl_lock);
2576 STAILQ_FOREACH(port, &softc->port_list, links) {
2579 if (port->targ_port < softc->port_min ||
2580 port->targ_port >= softc->port_max)
2585 if ((entry->port_type == CTL_PORT_NONE)
2586 && (entry->targ_port == port->targ_port)) {
2588 * If the user only wants to enable or
2589 * disable or set WWNs on a specific port,
2590 * do the operation and we're done.
2594 } else if (entry->port_type & port->port_type) {
2596 * Compare the user's type mask with the
2597 * particular frontend type to see if we
2604 * Make sure the user isn't trying to set
2605 * WWNs on multiple ports at the same time.
2607 if (cmd == CTL_SET_PORT_WWNS) {
2608 printf("%s: Can't set WWNs on "
2609 "multiple ports\n", __func__);
2618 * XXX KDM we have to drop the lock here, because
2619 * the online/offline operations can potentially
2620 * block. We need to reference count the frontends
2621 * so they can't go away,
2623 if (cmd == CTL_ENABLE_PORT) {
2624 mtx_unlock(&softc->ctl_lock);
2625 ctl_port_online(port);
2626 mtx_lock(&softc->ctl_lock);
2627 } else if (cmd == CTL_DISABLE_PORT) {
2628 mtx_unlock(&softc->ctl_lock);
2629 ctl_port_offline(port);
2630 mtx_lock(&softc->ctl_lock);
2631 } else if (cmd == CTL_SET_PORT_WWNS) {
2632 ctl_port_set_wwns(port,
2633 (entry->flags & CTL_PORT_WWNN_VALID) ?
2635 (entry->flags & CTL_PORT_WWPN_VALID) ?
2636 1 : 0, entry->wwpn);
2641 mtx_unlock(&softc->ctl_lock);
2645 struct ctl_ooa *ooa_hdr;
2646 struct ctl_ooa_entry *entries;
2647 uint32_t cur_fill_num;
2649 ooa_hdr = (struct ctl_ooa *)addr;
2651 if ((ooa_hdr->alloc_len == 0)
2652 || (ooa_hdr->alloc_num == 0)) {
2653 printf("%s: CTL_GET_OOA: alloc len %u and alloc num %u "
2654 "must be non-zero\n", __func__,
2655 ooa_hdr->alloc_len, ooa_hdr->alloc_num);
2660 if (ooa_hdr->alloc_len != (ooa_hdr->alloc_num *
2661 sizeof(struct ctl_ooa_entry))) {
2662 printf("%s: CTL_GET_OOA: alloc len %u must be alloc "
2663 "num %d * sizeof(struct ctl_ooa_entry) %zd\n",
2664 __func__, ooa_hdr->alloc_len,
2665 ooa_hdr->alloc_num,sizeof(struct ctl_ooa_entry));
2670 entries = malloc(ooa_hdr->alloc_len, M_CTL, M_WAITOK | M_ZERO);
2671 if (entries == NULL) {
2672 printf("%s: could not allocate %d bytes for OOA "
2673 "dump\n", __func__, ooa_hdr->alloc_len);
2678 mtx_lock(&softc->ctl_lock);
2679 if (((ooa_hdr->flags & CTL_OOA_FLAG_ALL_LUNS) == 0)
2680 && ((ooa_hdr->lun_num >= CTL_MAX_LUNS)
2681 || (softc->ctl_luns[ooa_hdr->lun_num] == NULL))) {
2682 mtx_unlock(&softc->ctl_lock);
2683 free(entries, M_CTL);
2684 printf("%s: CTL_GET_OOA: invalid LUN %ju\n",
2685 __func__, (uintmax_t)ooa_hdr->lun_num);
2692 if (ooa_hdr->flags & CTL_OOA_FLAG_ALL_LUNS) {
2693 STAILQ_FOREACH(lun, &softc->lun_list, links) {
2694 ctl_ioctl_fill_ooa(lun, &cur_fill_num,
2698 lun = softc->ctl_luns[ooa_hdr->lun_num];
2699 ctl_ioctl_fill_ooa(lun, &cur_fill_num, ooa_hdr,
2702 mtx_unlock(&softc->ctl_lock);
2704 ooa_hdr->fill_num = min(cur_fill_num, ooa_hdr->alloc_num);
2705 ooa_hdr->fill_len = ooa_hdr->fill_num *
2706 sizeof(struct ctl_ooa_entry);
2707 retval = copyout(entries, ooa_hdr->entries, ooa_hdr->fill_len);
2709 printf("%s: error copying out %d bytes for OOA dump\n",
2710 __func__, ooa_hdr->fill_len);
2713 getbinuptime(&ooa_hdr->cur_bt);
2715 if (cur_fill_num > ooa_hdr->alloc_num) {
2716 ooa_hdr->dropped_num = cur_fill_num -ooa_hdr->alloc_num;
2717 ooa_hdr->status = CTL_OOA_NEED_MORE_SPACE;
2719 ooa_hdr->dropped_num = 0;
2720 ooa_hdr->status = CTL_OOA_OK;
2723 free(entries, M_CTL);
2726 case CTL_DELAY_IO: {
2727 struct ctl_io_delay_info *delay_info;
2729 delay_info = (struct ctl_io_delay_info *)addr;
2732 mtx_lock(&softc->ctl_lock);
2734 if ((delay_info->lun_id >= CTL_MAX_LUNS)
2735 || (softc->ctl_luns[delay_info->lun_id] == NULL)) {
2736 delay_info->status = CTL_DELAY_STATUS_INVALID_LUN;
2738 lun = softc->ctl_luns[delay_info->lun_id];
2739 mtx_lock(&lun->lun_lock);
2741 delay_info->status = CTL_DELAY_STATUS_OK;
2743 switch (delay_info->delay_type) {
2744 case CTL_DELAY_TYPE_CONT:
2746 case CTL_DELAY_TYPE_ONESHOT:
2749 delay_info->status =
2750 CTL_DELAY_STATUS_INVALID_TYPE;
2754 switch (delay_info->delay_loc) {
2755 case CTL_DELAY_LOC_DATAMOVE:
2756 lun->delay_info.datamove_type =
2757 delay_info->delay_type;
2758 lun->delay_info.datamove_delay =
2759 delay_info->delay_secs;
2761 case CTL_DELAY_LOC_DONE:
2762 lun->delay_info.done_type =
2763 delay_info->delay_type;
2764 lun->delay_info.done_delay =
2765 delay_info->delay_secs;
2768 delay_info->status =
2769 CTL_DELAY_STATUS_INVALID_LOC;
2772 mtx_unlock(&lun->lun_lock);
2775 mtx_unlock(&softc->ctl_lock);
2777 delay_info->status = CTL_DELAY_STATUS_NOT_IMPLEMENTED;
2778 #endif /* CTL_IO_DELAY */
2781 case CTL_GETSTATS: {
2782 struct ctl_stats *stats;
2785 stats = (struct ctl_stats *)addr;
2787 if ((sizeof(struct ctl_lun_io_stats) * softc->num_luns) >
2789 stats->status = CTL_SS_NEED_MORE_SPACE;
2790 stats->num_luns = softc->num_luns;
2794 * XXX KDM no locking here. If the LUN list changes,
2795 * things can blow up.
2798 STAILQ_FOREACH(lun, &softc->lun_list, links) {
2799 retval = copyout(&lun->stats, &stats->lun_stats[i++],
2800 sizeof(lun->stats));
2804 stats->num_luns = softc->num_luns;
2805 stats->fill_len = sizeof(struct ctl_lun_io_stats) *
2807 stats->status = CTL_SS_OK;
2809 stats->flags = CTL_STATS_FLAG_TIME_VALID;
2811 stats->flags = CTL_STATS_FLAG_NONE;
2813 getnanouptime(&stats->timestamp);
2816 case CTL_ERROR_INJECT: {
2817 struct ctl_error_desc *err_desc, *new_err_desc;
2819 err_desc = (struct ctl_error_desc *)addr;
2821 new_err_desc = malloc(sizeof(*new_err_desc), M_CTL,
2823 bcopy(err_desc, new_err_desc, sizeof(*new_err_desc));
2825 mtx_lock(&softc->ctl_lock);
2826 lun = softc->ctl_luns[err_desc->lun_id];
2828 mtx_unlock(&softc->ctl_lock);
2829 free(new_err_desc, M_CTL);
2830 printf("%s: CTL_ERROR_INJECT: invalid LUN %ju\n",
2831 __func__, (uintmax_t)err_desc->lun_id);
2835 mtx_lock(&lun->lun_lock);
2836 mtx_unlock(&softc->ctl_lock);
2839 * We could do some checking here to verify the validity
2840 * of the request, but given the complexity of error
2841 * injection requests, the checking logic would be fairly
2844 * For now, if the request is invalid, it just won't get
2845 * executed and might get deleted.
2847 STAILQ_INSERT_TAIL(&lun->error_list, new_err_desc, links);
2850 * XXX KDM check to make sure the serial number is unique,
2851 * in case we somehow manage to wrap. That shouldn't
2852 * happen for a very long time, but it's the right thing to
2855 new_err_desc->serial = lun->error_serial;
2856 err_desc->serial = lun->error_serial;
2857 lun->error_serial++;
2859 mtx_unlock(&lun->lun_lock);
2862 case CTL_ERROR_INJECT_DELETE: {
2863 struct ctl_error_desc *delete_desc, *desc, *desc2;
2866 delete_desc = (struct ctl_error_desc *)addr;
2869 mtx_lock(&softc->ctl_lock);
2870 lun = softc->ctl_luns[delete_desc->lun_id];
2872 mtx_unlock(&softc->ctl_lock);
2873 printf("%s: CTL_ERROR_INJECT_DELETE: invalid LUN %ju\n",
2874 __func__, (uintmax_t)delete_desc->lun_id);
2878 mtx_lock(&lun->lun_lock);
2879 mtx_unlock(&softc->ctl_lock);
2880 STAILQ_FOREACH_SAFE(desc, &lun->error_list, links, desc2) {
2881 if (desc->serial != delete_desc->serial)
2884 STAILQ_REMOVE(&lun->error_list, desc, ctl_error_desc,
2889 mtx_unlock(&lun->lun_lock);
2890 if (delete_done == 0) {
2891 printf("%s: CTL_ERROR_INJECT_DELETE: can't find "
2892 "error serial %ju on LUN %u\n", __func__,
2893 delete_desc->serial, delete_desc->lun_id);
2899 case CTL_DUMP_STRUCTS: {
2901 struct ctl_port *port;
2902 struct ctl_frontend *fe;
2904 mtx_lock(&softc->ctl_lock);
2905 printf("CTL Persistent Reservation information start:\n");
2906 for (i = 0; i < CTL_MAX_LUNS; i++) {
2907 lun = softc->ctl_luns[i];
2910 || ((lun->flags & CTL_LUN_DISABLED) != 0))
2913 for (j = 0; j < CTL_MAX_PORTS; j++) {
2914 if (lun->pr_keys[j] == NULL)
2916 for (k = 0; k < CTL_MAX_INIT_PER_PORT; k++){
2917 if (lun->pr_keys[j][k] == 0)
2919 printf(" LUN %d port %d iid %d key "
2921 (uintmax_t)lun->pr_keys[j][k]);
2925 printf("CTL Persistent Reservation information end\n");
2926 printf("CTL Ports:\n");
2927 STAILQ_FOREACH(port, &softc->port_list, links) {
2928 printf(" Port %d '%s' Frontend '%s' Type %u pp %d vp %d WWNN "
2929 "%#jx WWPN %#jx\n", port->targ_port, port->port_name,
2930 port->frontend->name, port->port_type,
2931 port->physical_port, port->virtual_port,
2932 (uintmax_t)port->wwnn, (uintmax_t)port->wwpn);
2933 for (j = 0; j < CTL_MAX_INIT_PER_PORT; j++) {
2934 if (port->wwpn_iid[j].in_use == 0 &&
2935 port->wwpn_iid[j].wwpn == 0 &&
2936 port->wwpn_iid[j].name == NULL)
2939 printf(" iid %u use %d WWPN %#jx '%s'\n",
2940 j, port->wwpn_iid[j].in_use,
2941 (uintmax_t)port->wwpn_iid[j].wwpn,
2942 port->wwpn_iid[j].name);
2945 printf("CTL Port information end\n");
2946 mtx_unlock(&softc->ctl_lock);
2948 * XXX KDM calling this without a lock. We'd likely want
2949 * to drop the lock before calling the frontend's dump
2952 printf("CTL Frontends:\n");
2953 STAILQ_FOREACH(fe, &softc->fe_list, links) {
2954 printf(" Frontend '%s'\n", fe->name);
2955 if (fe->fe_dump != NULL)
2958 printf("CTL Frontend information end\n");
2962 struct ctl_lun_req *lun_req;
2963 struct ctl_backend_driver *backend;
2965 lun_req = (struct ctl_lun_req *)addr;
2967 backend = ctl_backend_find(lun_req->backend);
2968 if (backend == NULL) {
2969 lun_req->status = CTL_LUN_ERROR;
2970 snprintf(lun_req->error_str,
2971 sizeof(lun_req->error_str),
2972 "Backend \"%s\" not found.",
2976 if (lun_req->num_be_args > 0) {
2977 lun_req->kern_be_args = ctl_copyin_args(
2978 lun_req->num_be_args,
2981 sizeof(lun_req->error_str));
2982 if (lun_req->kern_be_args == NULL) {
2983 lun_req->status = CTL_LUN_ERROR;
2988 retval = backend->ioctl(dev, cmd, addr, flag, td);
2990 if (lun_req->num_be_args > 0) {
2991 ctl_copyout_args(lun_req->num_be_args,
2992 lun_req->kern_be_args);
2993 ctl_free_args(lun_req->num_be_args,
2994 lun_req->kern_be_args);
2998 case CTL_LUN_LIST: {
3000 struct ctl_lun_list *list;
3001 struct ctl_option *opt;
3003 list = (struct ctl_lun_list *)addr;
3006 * Allocate a fixed length sbuf here, based on the length
3007 * of the user's buffer. We could allocate an auto-extending
3008 * buffer, and then tell the user how much larger our
3009 * amount of data is than his buffer, but that presents
3012 * 1. The sbuf(9) routines use a blocking malloc, and so
3013 * we can't hold a lock while calling them with an
3014 * auto-extending buffer.
3016 * 2. There is not currently a LUN reference counting
3017 * mechanism, outside of outstanding transactions on
3018 * the LUN's OOA queue. So a LUN could go away on us
3019 * while we're getting the LUN number, backend-specific
3020 * information, etc. Thus, given the way things
3021 * currently work, we need to hold the CTL lock while
3022 * grabbing LUN information.
3024 * So, from the user's standpoint, the best thing to do is
3025 * allocate what he thinks is a reasonable buffer length,
3026 * and then if he gets a CTL_LUN_LIST_NEED_MORE_SPACE error,
3027 * double the buffer length and try again. (And repeat
3028 * that until he succeeds.)
3030 sb = sbuf_new(NULL, NULL, list->alloc_len, SBUF_FIXEDLEN);
3032 list->status = CTL_LUN_LIST_ERROR;
3033 snprintf(list->error_str, sizeof(list->error_str),
3034 "Unable to allocate %d bytes for LUN list",
3039 sbuf_printf(sb, "<ctllunlist>\n");
3041 mtx_lock(&softc->ctl_lock);
3042 STAILQ_FOREACH(lun, &softc->lun_list, links) {
3043 mtx_lock(&lun->lun_lock);
3044 retval = sbuf_printf(sb, "<lun id=\"%ju\">\n",
3045 (uintmax_t)lun->lun);
3048 * Bail out as soon as we see that we've overfilled
3054 retval = sbuf_printf(sb, "\t<backend_type>%s"
3055 "</backend_type>\n",
3056 (lun->backend == NULL) ? "none" :
3057 lun->backend->name);
3062 retval = sbuf_printf(sb, "\t<lun_type>%d</lun_type>\n",
3063 lun->be_lun->lun_type);
3068 if (lun->backend == NULL) {
3069 retval = sbuf_printf(sb, "</lun>\n");
3075 retval = sbuf_printf(sb, "\t<size>%ju</size>\n",
3076 (lun->be_lun->maxlba > 0) ?
3077 lun->be_lun->maxlba + 1 : 0);
3082 retval = sbuf_printf(sb, "\t<blocksize>%u</blocksize>\n",
3083 lun->be_lun->blocksize);
3088 retval = sbuf_printf(sb, "\t<serial_number>");
3093 retval = ctl_sbuf_printf_esc(sb,
3094 lun->be_lun->serial_num,
3095 sizeof(lun->be_lun->serial_num));
3100 retval = sbuf_printf(sb, "</serial_number>\n");
3105 retval = sbuf_printf(sb, "\t<device_id>");
3110 retval = ctl_sbuf_printf_esc(sb,
3111 lun->be_lun->device_id,
3112 sizeof(lun->be_lun->device_id));
3117 retval = sbuf_printf(sb, "</device_id>\n");
3122 if (lun->backend->lun_info != NULL) {
3123 retval = lun->backend->lun_info(lun->be_lun->be_lun, sb);
3127 STAILQ_FOREACH(opt, &lun->be_lun->options, links) {
3128 retval = sbuf_printf(sb, "\t<%s>%s</%s>\n",
3129 opt->name, opt->value, opt->name);
3134 retval = sbuf_printf(sb, "</lun>\n");
3138 mtx_unlock(&lun->lun_lock);
3141 mtx_unlock(&lun->lun_lock);
3142 mtx_unlock(&softc->ctl_lock);
3145 || ((retval = sbuf_printf(sb, "</ctllunlist>\n")) != 0)) {
3148 list->status = CTL_LUN_LIST_NEED_MORE_SPACE;
3149 snprintf(list->error_str, sizeof(list->error_str),
3150 "Out of space, %d bytes is too small",
3157 retval = copyout(sbuf_data(sb), list->lun_xml,
3160 list->fill_len = sbuf_len(sb) + 1;
3161 list->status = CTL_LUN_LIST_OK;
3166 struct ctl_iscsi *ci;
3167 struct ctl_frontend *fe;
3169 ci = (struct ctl_iscsi *)addr;
3171 fe = ctl_frontend_find("iscsi");
3173 ci->status = CTL_ISCSI_ERROR;
3174 snprintf(ci->error_str, sizeof(ci->error_str),
3175 "Frontend \"iscsi\" not found.");
3179 retval = fe->ioctl(dev, cmd, addr, flag, td);
3182 case CTL_PORT_REQ: {
3183 struct ctl_req *req;
3184 struct ctl_frontend *fe;
3186 req = (struct ctl_req *)addr;
3188 fe = ctl_frontend_find(req->driver);
3190 req->status = CTL_LUN_ERROR;
3191 snprintf(req->error_str, sizeof(req->error_str),
3192 "Frontend \"%s\" not found.", req->driver);
3195 if (req->num_args > 0) {
3196 req->kern_args = ctl_copyin_args(req->num_args,
3197 req->args, req->error_str, sizeof(req->error_str));
3198 if (req->kern_args == NULL) {
3199 req->status = CTL_LUN_ERROR;
3205 retval = fe->ioctl(dev, cmd, addr, flag, td);
3209 if (req->num_args > 0) {
3210 ctl_copyout_args(req->num_args, req->kern_args);
3211 ctl_free_args(req->num_args, req->kern_args);
3215 case CTL_PORT_LIST: {
3217 struct ctl_port *port;
3218 struct ctl_lun_list *list;
3219 struct ctl_option *opt;
3223 list = (struct ctl_lun_list *)addr;
3225 sb = sbuf_new(NULL, NULL, list->alloc_len, SBUF_FIXEDLEN);
3227 list->status = CTL_LUN_LIST_ERROR;
3228 snprintf(list->error_str, sizeof(list->error_str),
3229 "Unable to allocate %d bytes for LUN list",
3234 sbuf_printf(sb, "<ctlportlist>\n");
3236 mtx_lock(&softc->ctl_lock);
3237 STAILQ_FOREACH(port, &softc->port_list, links) {
3238 retval = sbuf_printf(sb, "<targ_port id=\"%ju\">\n",
3239 (uintmax_t)port->targ_port);
3242 * Bail out as soon as we see that we've overfilled
3248 retval = sbuf_printf(sb, "\t<frontend_type>%s"
3249 "</frontend_type>\n", port->frontend->name);
3253 retval = sbuf_printf(sb, "\t<port_type>%d</port_type>\n",
3258 retval = sbuf_printf(sb, "\t<online>%s</online>\n",
3259 (port->status & CTL_PORT_STATUS_ONLINE) ? "YES" : "NO");
3263 retval = sbuf_printf(sb, "\t<port_name>%s</port_name>\n",
3268 retval = sbuf_printf(sb, "\t<physical_port>%d</physical_port>\n",
3269 port->physical_port);
3273 retval = sbuf_printf(sb, "\t<virtual_port>%d</virtual_port>\n",
3274 port->virtual_port);
3278 if (port->target_devid != NULL) {
3279 sbuf_printf(sb, "\t<target>");
3280 ctl_id_sbuf(port->target_devid, sb);
3281 sbuf_printf(sb, "</target>\n");
3284 if (port->port_devid != NULL) {
3285 sbuf_printf(sb, "\t<port>");
3286 ctl_id_sbuf(port->port_devid, sb);
3287 sbuf_printf(sb, "</port>\n");
3290 if (port->port_info != NULL) {
3291 retval = port->port_info(port->onoff_arg, sb);
3295 STAILQ_FOREACH(opt, &port->options, links) {
3296 retval = sbuf_printf(sb, "\t<%s>%s</%s>\n",
3297 opt->name, opt->value, opt->name);
3302 if (port->lun_map != NULL) {
3303 sbuf_printf(sb, "\t<lun_map>on</lun_map>\n");
3304 for (j = 0; j < CTL_MAX_LUNS; j++) {
3305 plun = ctl_lun_map_from_port(port, j);
3306 if (plun >= CTL_MAX_LUNS)
3309 "\t<lun id=\"%u\">%u</lun>\n",
3314 for (j = 0; j < CTL_MAX_INIT_PER_PORT; j++) {
3315 if (port->wwpn_iid[j].in_use == 0 ||
3316 (port->wwpn_iid[j].wwpn == 0 &&
3317 port->wwpn_iid[j].name == NULL))
3320 if (port->wwpn_iid[j].name != NULL)
3321 retval = sbuf_printf(sb,
3322 "\t<initiator id=\"%u\">%s</initiator>\n",
3323 j, port->wwpn_iid[j].name);
3325 retval = sbuf_printf(sb,
3326 "\t<initiator id=\"%u\">naa.%08jx</initiator>\n",
3327 j, port->wwpn_iid[j].wwpn);
3334 retval = sbuf_printf(sb, "</targ_port>\n");
3338 mtx_unlock(&softc->ctl_lock);
3341 || ((retval = sbuf_printf(sb, "</ctlportlist>\n")) != 0)) {
3344 list->status = CTL_LUN_LIST_NEED_MORE_SPACE;
3345 snprintf(list->error_str, sizeof(list->error_str),
3346 "Out of space, %d bytes is too small",
3353 retval = copyout(sbuf_data(sb), list->lun_xml,
3356 list->fill_len = sbuf_len(sb) + 1;
3357 list->status = CTL_LUN_LIST_OK;
3362 struct ctl_lun_map *lm = (struct ctl_lun_map *)addr;
3363 struct ctl_port *port;
3365 mtx_lock(&softc->ctl_lock);
3366 if (lm->port < softc->port_min ||
3367 lm->port >= softc->port_max ||
3368 (port = softc->ctl_ports[lm->port]) == NULL) {
3369 mtx_unlock(&softc->ctl_lock);
3372 if (port->status & CTL_PORT_STATUS_ONLINE) {
3373 STAILQ_FOREACH(lun, &softc->lun_list, links) {
3374 if (ctl_lun_map_to_port(port, lun->lun) >=
3377 mtx_lock(&lun->lun_lock);
3378 ctl_est_ua_port(lun, lm->port, -1,
3380 mtx_unlock(&lun->lun_lock);
3383 mtx_unlock(&softc->ctl_lock); // XXX: port_enable sleeps
3384 if (lm->plun < CTL_MAX_LUNS) {
3385 if (lm->lun == UINT32_MAX)
3386 retval = ctl_lun_map_unset(port, lm->plun);
3387 else if (lm->lun < CTL_MAX_LUNS &&
3388 softc->ctl_luns[lm->lun] != NULL)
3389 retval = ctl_lun_map_set(port, lm->plun, lm->lun);
3392 } else if (lm->plun == UINT32_MAX) {
3393 if (lm->lun == UINT32_MAX)
3394 retval = ctl_lun_map_deinit(port);
3396 retval = ctl_lun_map_init(port);
3399 if (port->status & CTL_PORT_STATUS_ONLINE)
3400 ctl_isc_announce_port(port);
3404 /* XXX KDM should we fix this? */
3406 struct ctl_backend_driver *backend;
3413 * We encode the backend type as the ioctl type for backend
3414 * ioctls. So parse it out here, and then search for a
3415 * backend of this type.
3417 type = _IOC_TYPE(cmd);
3419 STAILQ_FOREACH(backend, &softc->be_list, links) {
3420 if (backend->type == type) {
3426 printf("ctl: unknown ioctl command %#lx or backend "
3431 retval = backend->ioctl(dev, cmd, addr, flag, td);
3441 ctl_get_initindex(struct ctl_nexus *nexus)
3443 return (nexus->initid + (nexus->targ_port * CTL_MAX_INIT_PER_PORT));
3447 ctl_lun_map_init(struct ctl_port *port)
3449 struct ctl_softc *softc = port->ctl_softc;
3450 struct ctl_lun *lun;
3453 if (port->lun_map == NULL)
3454 port->lun_map = malloc(sizeof(uint32_t) * CTL_MAX_LUNS,
3456 if (port->lun_map == NULL)
3458 for (i = 0; i < CTL_MAX_LUNS; i++)
3459 port->lun_map[i] = UINT32_MAX;
3460 if (port->status & CTL_PORT_STATUS_ONLINE) {
3461 if (port->lun_disable != NULL) {
3462 STAILQ_FOREACH(lun, &softc->lun_list, links)
3463 port->lun_disable(port->targ_lun_arg, lun->lun);
3465 ctl_isc_announce_port(port);
3471 ctl_lun_map_deinit(struct ctl_port *port)
3473 struct ctl_softc *softc = port->ctl_softc;
3474 struct ctl_lun *lun;
3476 if (port->lun_map == NULL)
3478 free(port->lun_map, M_CTL);
3479 port->lun_map = NULL;
3480 if (port->status & CTL_PORT_STATUS_ONLINE) {
3481 if (port->lun_enable != NULL) {
3482 STAILQ_FOREACH(lun, &softc->lun_list, links)
3483 port->lun_enable(port->targ_lun_arg, lun->lun);
3485 ctl_isc_announce_port(port);
3491 ctl_lun_map_set(struct ctl_port *port, uint32_t plun, uint32_t glun)
3496 if (port->lun_map == NULL) {
3497 status = ctl_lun_map_init(port);
3501 old = port->lun_map[plun];
3502 port->lun_map[plun] = glun;
3503 if ((port->status & CTL_PORT_STATUS_ONLINE) && old >= CTL_MAX_LUNS) {
3504 if (port->lun_enable != NULL)
3505 port->lun_enable(port->targ_lun_arg, plun);
3506 ctl_isc_announce_port(port);
3512 ctl_lun_map_unset(struct ctl_port *port, uint32_t plun)
3516 if (port->lun_map == NULL)
3518 old = port->lun_map[plun];
3519 port->lun_map[plun] = UINT32_MAX;
3520 if ((port->status & CTL_PORT_STATUS_ONLINE) && old < CTL_MAX_LUNS) {
3521 if (port->lun_disable != NULL)
3522 port->lun_disable(port->targ_lun_arg, plun);
3523 ctl_isc_announce_port(port);
3529 ctl_lun_map_from_port(struct ctl_port *port, uint32_t lun_id)
3533 return (UINT32_MAX);
3534 if (port->lun_map == NULL || lun_id >= CTL_MAX_LUNS)
3536 return (port->lun_map[lun_id]);
3540 ctl_lun_map_to_port(struct ctl_port *port, uint32_t lun_id)
3545 return (UINT32_MAX);
3546 if (port->lun_map == NULL)
3548 for (i = 0; i < CTL_MAX_LUNS; i++) {
3549 if (port->lun_map[i] == lun_id)
3552 return (UINT32_MAX);
3556 ctl_decode_lun(uint64_t encoded)
3559 uint32_t result = 0xffffffff;
3561 be64enc(lun, encoded);
3562 switch (lun[0] & RPL_LUNDATA_ATYP_MASK) {
3563 case RPL_LUNDATA_ATYP_PERIPH:
3564 if ((lun[0] & 0x3f) == 0 && lun[2] == 0 && lun[3] == 0 &&
3565 lun[4] == 0 && lun[5] == 0 && lun[6] == 0 && lun[7] == 0)
3568 case RPL_LUNDATA_ATYP_FLAT:
3569 if (lun[2] == 0 && lun[3] == 0 && lun[4] == 0 && lun[5] == 0 &&
3570 lun[6] == 0 && lun[7] == 0)
3571 result = ((lun[0] & 0x3f) << 8) + lun[1];
3573 case RPL_LUNDATA_ATYP_EXTLUN:
3574 switch (lun[0] & RPL_LUNDATA_EXT_EAM_MASK) {
3576 switch (lun[0] & RPL_LUNDATA_EXT_LEN_MASK) {
3581 result = (lun[1] << 16) + (lun[2] << 8) +
3585 if (lun[1] == 0 && lun[6] == 0 && lun[7] == 0)
3586 result = (lun[2] << 24) +
3587 (lun[3] << 16) + (lun[4] << 8) +
3592 case RPL_LUNDATA_EXT_EAM_NOT_SPEC:
3593 result = 0xffffffff;
3602 ctl_encode_lun(uint32_t decoded)
3604 uint64_t l = decoded;
3607 return (((uint64_t)RPL_LUNDATA_ATYP_PERIPH << 56) | (l << 48));
3609 return (((uint64_t)RPL_LUNDATA_ATYP_FLAT << 56) | (l << 48));
3611 return (((uint64_t)(RPL_LUNDATA_ATYP_EXTLUN | 0x12) << 56) |
3613 return ((((uint64_t)RPL_LUNDATA_ATYP_EXTLUN | 0x22) << 56) | (l << 16));
3616 static struct ctl_port *
3617 ctl_io_port(struct ctl_io_hdr *io_hdr)
3620 return (control_softc->ctl_ports[io_hdr->nexus.targ_port]);
3624 ctl_ffz(uint32_t *mask, uint32_t first, uint32_t last)
3628 for (i = first; i < last; i++) {
3629 if ((mask[i / 32] & (1 << (i % 32))) == 0)
3636 ctl_set_mask(uint32_t *mask, uint32_t bit)
3638 uint32_t chunk, piece;
3641 piece = bit % (sizeof(uint32_t) * 8);
3643 if ((mask[chunk] & (1 << piece)) != 0)
3646 mask[chunk] |= (1 << piece);
3652 ctl_clear_mask(uint32_t *mask, uint32_t bit)
3654 uint32_t chunk, piece;
3657 piece = bit % (sizeof(uint32_t) * 8);
3659 if ((mask[chunk] & (1 << piece)) == 0)
3662 mask[chunk] &= ~(1 << piece);
3668 ctl_is_set(uint32_t *mask, uint32_t bit)
3670 uint32_t chunk, piece;
3673 piece = bit % (sizeof(uint32_t) * 8);
3675 if ((mask[chunk] & (1 << piece)) == 0)
3682 ctl_get_prkey(struct ctl_lun *lun, uint32_t residx)
3686 t = lun->pr_keys[residx/CTL_MAX_INIT_PER_PORT];
3689 return (t[residx % CTL_MAX_INIT_PER_PORT]);
3693 ctl_clr_prkey(struct ctl_lun *lun, uint32_t residx)
3697 t = lun->pr_keys[residx/CTL_MAX_INIT_PER_PORT];
3700 t[residx % CTL_MAX_INIT_PER_PORT] = 0;
3704 ctl_alloc_prkey(struct ctl_lun *lun, uint32_t residx)
3709 i = residx/CTL_MAX_INIT_PER_PORT;
3710 if (lun->pr_keys[i] != NULL)
3712 mtx_unlock(&lun->lun_lock);
3713 p = malloc(sizeof(uint64_t) * CTL_MAX_INIT_PER_PORT, M_CTL,
3715 mtx_lock(&lun->lun_lock);
3716 if (lun->pr_keys[i] == NULL)
3717 lun->pr_keys[i] = p;
3723 ctl_set_prkey(struct ctl_lun *lun, uint32_t residx, uint64_t key)
3727 t = lun->pr_keys[residx/CTL_MAX_INIT_PER_PORT];
3728 KASSERT(t != NULL, ("prkey %d is not allocated", residx));
3729 t[residx % CTL_MAX_INIT_PER_PORT] = key;
3733 * ctl_softc, pool_name, total_ctl_io are passed in.
3734 * npool is passed out.
3737 ctl_pool_create(struct ctl_softc *ctl_softc, const char *pool_name,
3738 uint32_t total_ctl_io, void **npool)
3741 struct ctl_io_pool *pool;
3743 pool = (struct ctl_io_pool *)malloc(sizeof(*pool), M_CTL,
3748 snprintf(pool->name, sizeof(pool->name), "CTL IO %s", pool_name);
3749 pool->ctl_softc = ctl_softc;
3750 pool->zone = uma_zsecond_create(pool->name, NULL,
3751 NULL, NULL, NULL, ctl_softc->io_zone);
3752 /* uma_prealloc(pool->zone, total_ctl_io); */
3756 *npool = ctl_softc->io_zone;
3762 ctl_pool_free(struct ctl_io_pool *pool)
3769 uma_zdestroy(pool->zone);
3775 ctl_alloc_io(void *pool_ref)
3779 struct ctl_io_pool *pool = (struct ctl_io_pool *)pool_ref;
3781 io = uma_zalloc(pool->zone, M_WAITOK);
3783 io = uma_zalloc((uma_zone_t)pool_ref, M_WAITOK);
3786 io->io_hdr.pool = pool_ref;
3791 ctl_alloc_io_nowait(void *pool_ref)
3795 struct ctl_io_pool *pool = (struct ctl_io_pool *)pool_ref;
3797 io = uma_zalloc(pool->zone, M_NOWAIT);
3799 io = uma_zalloc((uma_zone_t)pool_ref, M_NOWAIT);
3802 io->io_hdr.pool = pool_ref;
3807 ctl_free_io(union ctl_io *io)
3810 struct ctl_io_pool *pool;
3817 pool = (struct ctl_io_pool *)io->io_hdr.pool;
3818 uma_zfree(pool->zone, io);
3820 uma_zfree((uma_zone_t)io->io_hdr.pool, io);
3825 ctl_zero_io(union ctl_io *io)
3833 * May need to preserve linked list pointers at some point too.
3835 pool_ref = io->io_hdr.pool;
3836 memset(io, 0, sizeof(*io));
3837 io->io_hdr.pool = pool_ref;
3841 ctl_expand_number(const char *buf, uint64_t *num)
3847 number = strtoq(buf, &endptr, 0);
3849 switch (tolower((unsigned char)*endptr)) {
3869 case '\0': /* No unit. */
3873 /* Unrecognized unit. */
3877 if ((number << shift) >> shift != number) {
3881 *num = number << shift;
3887 * This routine could be used in the future to load default and/or saved
3888 * mode page parameters for a particuar lun.
3891 ctl_init_page_index(struct ctl_lun *lun)
3894 struct ctl_page_index *page_index;
3898 memcpy(&lun->mode_pages.index, page_index_template,
3899 sizeof(page_index_template));
3901 for (i = 0; i < CTL_NUM_MODE_PAGES; i++) {
3903 page_index = &lun->mode_pages.index[i];
3904 if (lun->be_lun->lun_type == T_DIRECT &&
3905 (page_index->page_flags & CTL_PAGE_FLAG_DIRECT) == 0)
3907 if (lun->be_lun->lun_type == T_PROCESSOR &&
3908 (page_index->page_flags & CTL_PAGE_FLAG_PROC) == 0)
3910 if (lun->be_lun->lun_type == T_CDROM &&
3911 (page_index->page_flags & CTL_PAGE_FLAG_CDROM) == 0)
3914 page_code = page_index->page_code & SMPH_PC_MASK;
3915 switch (page_code) {
3916 case SMS_RW_ERROR_RECOVERY_PAGE: {
3917 KASSERT(page_index->subpage == SMS_SUBPAGE_PAGE_0,
3918 ("subpage %#x for page %#x is incorrect!",
3919 page_index->subpage, page_code));
3920 memcpy(&lun->mode_pages.rw_er_page[CTL_PAGE_CURRENT],
3921 &rw_er_page_default,
3922 sizeof(rw_er_page_default));
3923 memcpy(&lun->mode_pages.rw_er_page[CTL_PAGE_CHANGEABLE],
3924 &rw_er_page_changeable,
3925 sizeof(rw_er_page_changeable));
3926 memcpy(&lun->mode_pages.rw_er_page[CTL_PAGE_DEFAULT],
3927 &rw_er_page_default,
3928 sizeof(rw_er_page_default));
3929 memcpy(&lun->mode_pages.rw_er_page[CTL_PAGE_SAVED],
3930 &rw_er_page_default,
3931 sizeof(rw_er_page_default));
3932 page_index->page_data =
3933 (uint8_t *)lun->mode_pages.rw_er_page;
3936 case SMS_FORMAT_DEVICE_PAGE: {
3937 struct scsi_format_page *format_page;
3939 KASSERT(page_index->subpage == SMS_SUBPAGE_PAGE_0,
3940 ("subpage %#x for page %#x is incorrect!",
3941 page_index->subpage, page_code));
3944 * Sectors per track are set above. Bytes per
3945 * sector need to be set here on a per-LUN basis.
3947 memcpy(&lun->mode_pages.format_page[CTL_PAGE_CURRENT],
3948 &format_page_default,
3949 sizeof(format_page_default));
3950 memcpy(&lun->mode_pages.format_page[
3951 CTL_PAGE_CHANGEABLE], &format_page_changeable,
3952 sizeof(format_page_changeable));
3953 memcpy(&lun->mode_pages.format_page[CTL_PAGE_DEFAULT],
3954 &format_page_default,
3955 sizeof(format_page_default));
3956 memcpy(&lun->mode_pages.format_page[CTL_PAGE_SAVED],
3957 &format_page_default,
3958 sizeof(format_page_default));
3960 format_page = &lun->mode_pages.format_page[
3962 scsi_ulto2b(lun->be_lun->blocksize,
3963 format_page->bytes_per_sector);
3965 format_page = &lun->mode_pages.format_page[
3967 scsi_ulto2b(lun->be_lun->blocksize,
3968 format_page->bytes_per_sector);
3970 format_page = &lun->mode_pages.format_page[
3972 scsi_ulto2b(lun->be_lun->blocksize,
3973 format_page->bytes_per_sector);
3975 page_index->page_data =
3976 (uint8_t *)lun->mode_pages.format_page;
3979 case SMS_RIGID_DISK_PAGE: {
3980 struct scsi_rigid_disk_page *rigid_disk_page;
3981 uint32_t sectors_per_cylinder;
3985 #endif /* !__XSCALE__ */
3987 KASSERT(page_index->subpage == SMS_SUBPAGE_PAGE_0,
3988 ("subpage %#x for page %#x is incorrect!",
3989 page_index->subpage, page_code));
3992 * Rotation rate and sectors per track are set
3993 * above. We calculate the cylinders here based on
3994 * capacity. Due to the number of heads and
3995 * sectors per track we're using, smaller arrays
3996 * may turn out to have 0 cylinders. Linux and
3997 * FreeBSD don't pay attention to these mode pages
3998 * to figure out capacity, but Solaris does. It
3999 * seems to deal with 0 cylinders just fine, and
4000 * works out a fake geometry based on the capacity.
4002 memcpy(&lun->mode_pages.rigid_disk_page[
4003 CTL_PAGE_DEFAULT], &rigid_disk_page_default,
4004 sizeof(rigid_disk_page_default));
4005 memcpy(&lun->mode_pages.rigid_disk_page[
4006 CTL_PAGE_CHANGEABLE],&rigid_disk_page_changeable,
4007 sizeof(rigid_disk_page_changeable));
4009 sectors_per_cylinder = CTL_DEFAULT_SECTORS_PER_TRACK *
4013 * The divide method here will be more accurate,
4014 * probably, but results in floating point being
4015 * used in the kernel on i386 (__udivdi3()). On the
4016 * XScale, though, __udivdi3() is implemented in
4019 * The shift method for cylinder calculation is
4020 * accurate if sectors_per_cylinder is a power of
4021 * 2. Otherwise it might be slightly off -- you
4022 * might have a bit of a truncation problem.
4025 cylinders = (lun->be_lun->maxlba + 1) /
4026 sectors_per_cylinder;
4028 for (shift = 31; shift > 0; shift--) {
4029 if (sectors_per_cylinder & (1 << shift))
4032 cylinders = (lun->be_lun->maxlba + 1) >> shift;
4036 * We've basically got 3 bytes, or 24 bits for the
4037 * cylinder size in the mode page. If we're over,
4038 * just round down to 2^24.
4040 if (cylinders > 0xffffff)
4041 cylinders = 0xffffff;
4043 rigid_disk_page = &lun->mode_pages.rigid_disk_page[
4045 scsi_ulto3b(cylinders, rigid_disk_page->cylinders);
4047 if ((value = ctl_get_opt(&lun->be_lun->options,
4049 scsi_ulto2b(strtol(value, NULL, 0),
4050 rigid_disk_page->rotation_rate);
4053 memcpy(&lun->mode_pages.rigid_disk_page[CTL_PAGE_CURRENT],
4054 &lun->mode_pages.rigid_disk_page[CTL_PAGE_DEFAULT],
4055 sizeof(rigid_disk_page_default));
4056 memcpy(&lun->mode_pages.rigid_disk_page[CTL_PAGE_SAVED],
4057 &lun->mode_pages.rigid_disk_page[CTL_PAGE_DEFAULT],
4058 sizeof(rigid_disk_page_default));
4060 page_index->page_data =
4061 (uint8_t *)lun->mode_pages.rigid_disk_page;
4064 case SMS_VERIFY_ERROR_RECOVERY_PAGE: {
4065 KASSERT(page_index->subpage == SMS_SUBPAGE_PAGE_0,
4066 ("subpage %#x for page %#x is incorrect!",
4067 page_index->subpage, page_code));
4068 memcpy(&lun->mode_pages.verify_er_page[CTL_PAGE_CURRENT],
4069 &verify_er_page_default,
4070 sizeof(verify_er_page_default));
4071 memcpy(&lun->mode_pages.verify_er_page[CTL_PAGE_CHANGEABLE],
4072 &verify_er_page_changeable,
4073 sizeof(verify_er_page_changeable));
4074 memcpy(&lun->mode_pages.verify_er_page[CTL_PAGE_DEFAULT],
4075 &verify_er_page_default,
4076 sizeof(verify_er_page_default));
4077 memcpy(&lun->mode_pages.verify_er_page[CTL_PAGE_SAVED],
4078 &verify_er_page_default,
4079 sizeof(verify_er_page_default));
4080 page_index->page_data =
4081 (uint8_t *)lun->mode_pages.verify_er_page;
4084 case SMS_CACHING_PAGE: {
4085 struct scsi_caching_page *caching_page;
4087 KASSERT(page_index->subpage == SMS_SUBPAGE_PAGE_0,
4088 ("subpage %#x for page %#x is incorrect!",
4089 page_index->subpage, page_code));
4090 memcpy(&lun->mode_pages.caching_page[CTL_PAGE_DEFAULT],
4091 &caching_page_default,
4092 sizeof(caching_page_default));
4093 memcpy(&lun->mode_pages.caching_page[
4094 CTL_PAGE_CHANGEABLE], &caching_page_changeable,
4095 sizeof(caching_page_changeable));
4096 memcpy(&lun->mode_pages.caching_page[CTL_PAGE_SAVED],
4097 &caching_page_default,
4098 sizeof(caching_page_default));
4099 caching_page = &lun->mode_pages.caching_page[
4101 value = ctl_get_opt(&lun->be_lun->options, "writecache");
4102 if (value != NULL && strcmp(value, "off") == 0)
4103 caching_page->flags1 &= ~SCP_WCE;
4104 value = ctl_get_opt(&lun->be_lun->options, "readcache");
4105 if (value != NULL && strcmp(value, "off") == 0)
4106 caching_page->flags1 |= SCP_RCD;
4107 memcpy(&lun->mode_pages.caching_page[CTL_PAGE_CURRENT],
4108 &lun->mode_pages.caching_page[CTL_PAGE_SAVED],
4109 sizeof(caching_page_default));
4110 page_index->page_data =
4111 (uint8_t *)lun->mode_pages.caching_page;
4114 case SMS_CONTROL_MODE_PAGE: {
4115 switch (page_index->subpage) {
4116 case SMS_SUBPAGE_PAGE_0: {
4117 struct scsi_control_page *control_page;
4119 memcpy(&lun->mode_pages.control_page[
4121 &control_page_default,
4122 sizeof(control_page_default));
4123 memcpy(&lun->mode_pages.control_page[
4124 CTL_PAGE_CHANGEABLE],
4125 &control_page_changeable,
4126 sizeof(control_page_changeable));
4127 memcpy(&lun->mode_pages.control_page[
4129 &control_page_default,
4130 sizeof(control_page_default));
4131 control_page = &lun->mode_pages.control_page[
4133 value = ctl_get_opt(&lun->be_lun->options,
4135 if (value != NULL &&
4136 strcmp(value, "unrestricted") == 0) {
4137 control_page->queue_flags &=
4138 ~SCP_QUEUE_ALG_MASK;
4139 control_page->queue_flags |=
4140 SCP_QUEUE_ALG_UNRESTRICTED;
4142 memcpy(&lun->mode_pages.control_page[
4144 &lun->mode_pages.control_page[
4146 sizeof(control_page_default));
4147 page_index->page_data =
4148 (uint8_t *)lun->mode_pages.control_page;
4152 memcpy(&lun->mode_pages.control_ext_page[
4154 &control_ext_page_default,
4155 sizeof(control_ext_page_default));
4156 memcpy(&lun->mode_pages.control_ext_page[
4157 CTL_PAGE_CHANGEABLE],
4158 &control_ext_page_changeable,
4159 sizeof(control_ext_page_changeable));
4160 memcpy(&lun->mode_pages.control_ext_page[
4162 &control_ext_page_default,
4163 sizeof(control_ext_page_default));
4164 memcpy(&lun->mode_pages.control_ext_page[
4166 &lun->mode_pages.control_ext_page[
4168 sizeof(control_ext_page_default));
4169 page_index->page_data =
4170 (uint8_t *)lun->mode_pages.control_ext_page;
4173 panic("subpage %#x for page %#x is incorrect!",
4174 page_index->subpage, page_code);
4178 case SMS_INFO_EXCEPTIONS_PAGE: {
4179 switch (page_index->subpage) {
4180 case SMS_SUBPAGE_PAGE_0:
4181 memcpy(&lun->mode_pages.ie_page[CTL_PAGE_CURRENT],
4183 sizeof(ie_page_default));
4184 memcpy(&lun->mode_pages.ie_page[
4185 CTL_PAGE_CHANGEABLE], &ie_page_changeable,
4186 sizeof(ie_page_changeable));
4187 memcpy(&lun->mode_pages.ie_page[CTL_PAGE_DEFAULT],
4189 sizeof(ie_page_default));
4190 memcpy(&lun->mode_pages.ie_page[CTL_PAGE_SAVED],
4192 sizeof(ie_page_default));
4193 page_index->page_data =
4194 (uint8_t *)lun->mode_pages.ie_page;
4197 struct ctl_logical_block_provisioning_page *page;
4199 memcpy(&lun->mode_pages.lbp_page[CTL_PAGE_DEFAULT],
4201 sizeof(lbp_page_default));
4202 memcpy(&lun->mode_pages.lbp_page[
4203 CTL_PAGE_CHANGEABLE], &lbp_page_changeable,
4204 sizeof(lbp_page_changeable));
4205 memcpy(&lun->mode_pages.lbp_page[CTL_PAGE_SAVED],
4207 sizeof(lbp_page_default));
4208 page = &lun->mode_pages.lbp_page[CTL_PAGE_SAVED];
4209 value = ctl_get_opt(&lun->be_lun->options,
4211 if (value != NULL &&
4212 ctl_expand_number(value, &ival) == 0) {
4213 page->descr[0].flags |= SLBPPD_ENABLED |
4215 if (lun->be_lun->blocksize)
4216 ival /= lun->be_lun->blocksize;
4219 scsi_ulto4b(ival >> CTL_LBP_EXPONENT,
4220 page->descr[0].count);
4222 value = ctl_get_opt(&lun->be_lun->options,
4224 if (value != NULL &&
4225 ctl_expand_number(value, &ival) == 0) {
4226 page->descr[1].flags |= SLBPPD_ENABLED |
4228 if (lun->be_lun->blocksize)
4229 ival /= lun->be_lun->blocksize;
4232 scsi_ulto4b(ival >> CTL_LBP_EXPONENT,
4233 page->descr[1].count);
4235 value = ctl_get_opt(&lun->be_lun->options,
4236 "pool-avail-threshold");
4237 if (value != NULL &&
4238 ctl_expand_number(value, &ival) == 0) {
4239 page->descr[2].flags |= SLBPPD_ENABLED |
4241 if (lun->be_lun->blocksize)
4242 ival /= lun->be_lun->blocksize;
4245 scsi_ulto4b(ival >> CTL_LBP_EXPONENT,
4246 page->descr[2].count);
4248 value = ctl_get_opt(&lun->be_lun->options,
4249 "pool-used-threshold");
4250 if (value != NULL &&
4251 ctl_expand_number(value, &ival) == 0) {
4252 page->descr[3].flags |= SLBPPD_ENABLED |
4254 if (lun->be_lun->blocksize)
4255 ival /= lun->be_lun->blocksize;
4258 scsi_ulto4b(ival >> CTL_LBP_EXPONENT,
4259 page->descr[3].count);
4261 memcpy(&lun->mode_pages.lbp_page[CTL_PAGE_CURRENT],
4262 &lun->mode_pages.lbp_page[CTL_PAGE_SAVED],
4263 sizeof(lbp_page_default));
4264 page_index->page_data =
4265 (uint8_t *)lun->mode_pages.lbp_page;
4269 panic("subpage %#x for page %#x is incorrect!",
4270 page_index->subpage, page_code);
4274 case SMS_CDDVD_CAPS_PAGE:{
4275 KASSERT(page_index->subpage == SMS_SUBPAGE_PAGE_0,
4276 ("subpage %#x for page %#x is incorrect!",
4277 page_index->subpage, page_code));
4278 memcpy(&lun->mode_pages.cddvd_page[CTL_PAGE_DEFAULT],
4279 &cddvd_page_default,
4280 sizeof(cddvd_page_default));
4281 memcpy(&lun->mode_pages.cddvd_page[
4282 CTL_PAGE_CHANGEABLE], &cddvd_page_changeable,
4283 sizeof(cddvd_page_changeable));
4284 memcpy(&lun->mode_pages.cddvd_page[CTL_PAGE_SAVED],
4285 &cddvd_page_default,
4286 sizeof(cddvd_page_default));
4287 memcpy(&lun->mode_pages.cddvd_page[CTL_PAGE_CURRENT],
4288 &lun->mode_pages.cddvd_page[CTL_PAGE_SAVED],
4289 sizeof(cddvd_page_default));
4290 page_index->page_data =
4291 (uint8_t *)lun->mode_pages.cddvd_page;
4295 panic("invalid page code value %#x", page_code);
4299 return (CTL_RETVAL_COMPLETE);
4303 ctl_init_log_page_index(struct ctl_lun *lun)
4305 struct ctl_page_index *page_index;
4308 memcpy(&lun->log_pages.index, log_page_index_template,
4309 sizeof(log_page_index_template));
4312 for (i = 0, j = 0, k = 0; i < CTL_NUM_LOG_PAGES; i++) {
4314 page_index = &lun->log_pages.index[i];
4315 if (lun->be_lun->lun_type == T_DIRECT &&
4316 (page_index->page_flags & CTL_PAGE_FLAG_DIRECT) == 0)
4318 if (lun->be_lun->lun_type == T_PROCESSOR &&
4319 (page_index->page_flags & CTL_PAGE_FLAG_PROC) == 0)
4321 if (lun->be_lun->lun_type == T_CDROM &&
4322 (page_index->page_flags & CTL_PAGE_FLAG_CDROM) == 0)
4325 if (page_index->page_code == SLS_LOGICAL_BLOCK_PROVISIONING &&
4326 lun->backend->lun_attr == NULL)
4329 if (page_index->page_code != prev) {
4330 lun->log_pages.pages_page[j] = page_index->page_code;
4331 prev = page_index->page_code;
4334 lun->log_pages.subpages_page[k*2] = page_index->page_code;
4335 lun->log_pages.subpages_page[k*2+1] = page_index->subpage;
4338 lun->log_pages.index[0].page_data = &lun->log_pages.pages_page[0];
4339 lun->log_pages.index[0].page_len = j;
4340 lun->log_pages.index[1].page_data = &lun->log_pages.subpages_page[0];
4341 lun->log_pages.index[1].page_len = k * 2;
4342 lun->log_pages.index[2].page_data = &lun->log_pages.lbp_page[0];
4343 lun->log_pages.index[2].page_len = 12*CTL_NUM_LBP_PARAMS;
4344 lun->log_pages.index[3].page_data = (uint8_t *)&lun->log_pages.stat_page;
4345 lun->log_pages.index[3].page_len = sizeof(lun->log_pages.stat_page);
4346 lun->log_pages.index[4].page_data = (uint8_t *)&lun->log_pages.ie_page;
4347 lun->log_pages.index[4].page_len = sizeof(lun->log_pages.ie_page);
4349 return (CTL_RETVAL_COMPLETE);
4353 hex2bin(const char *str, uint8_t *buf, int buf_size)
4358 memset(buf, 0, buf_size);
4359 while (isspace(str[0]))
4361 if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X'))
4364 for (i = 0; str[i] != 0 && i < buf_size; i++) {
4368 else if (isalpha(c))
4369 c -= isupper(c) ? 'A' - 10 : 'a' - 10;
4375 buf[i / 2] |= (c << 4);
4379 return ((i + 1) / 2);
4386 * - caller allocates and zeros LUN storage, or passes in a NULL LUN if he
4387 * wants us to allocate the LUN and he can block.
4388 * - ctl_softc is always set
4389 * - be_lun is set if the LUN has a backend (needed for disk LUNs)
4391 * Returns 0 for success, non-zero (errno) for failure.
4394 ctl_alloc_lun(struct ctl_softc *ctl_softc, struct ctl_lun *ctl_lun,
4395 struct ctl_be_lun *const be_lun)
4397 struct ctl_lun *nlun, *lun;
4398 struct scsi_vpd_id_descriptor *desc;
4399 struct scsi_vpd_id_t10 *t10id;
4400 const char *eui, *naa, *scsiname, *vendor, *value;
4401 int lun_number, i, lun_malloced;
4402 int devidlen, idlen1, idlen2 = 0, len;
4408 * We currently only support Direct Access or Processor LUN types.
4410 switch (be_lun->lun_type) {
4418 be_lun->lun_config_status(be_lun->be_lun,
4419 CTL_LUN_CONFIG_FAILURE);
4422 if (ctl_lun == NULL) {
4423 lun = malloc(sizeof(*lun), M_CTL, M_WAITOK);
4430 memset(lun, 0, sizeof(*lun));
4432 lun->flags = CTL_LUN_MALLOCED;
4434 /* Generate LUN ID. */
4435 devidlen = max(CTL_DEVID_MIN_LEN,
4436 strnlen(be_lun->device_id, CTL_DEVID_LEN));
4437 idlen1 = sizeof(*t10id) + devidlen;
4438 len = sizeof(struct scsi_vpd_id_descriptor) + idlen1;
4439 scsiname = ctl_get_opt(&be_lun->options, "scsiname");
4440 if (scsiname != NULL) {
4441 idlen2 = roundup2(strlen(scsiname) + 1, 4);
4442 len += sizeof(struct scsi_vpd_id_descriptor) + idlen2;
4444 eui = ctl_get_opt(&be_lun->options, "eui");
4446 len += sizeof(struct scsi_vpd_id_descriptor) + 16;
4448 naa = ctl_get_opt(&be_lun->options, "naa");
4450 len += sizeof(struct scsi_vpd_id_descriptor) + 16;
4452 lun->lun_devid = malloc(sizeof(struct ctl_devid) + len,
4453 M_CTL, M_WAITOK | M_ZERO);
4454 desc = (struct scsi_vpd_id_descriptor *)lun->lun_devid->data;
4455 desc->proto_codeset = SVPD_ID_CODESET_ASCII;
4456 desc->id_type = SVPD_ID_PIV | SVPD_ID_ASSOC_LUN | SVPD_ID_TYPE_T10;
4457 desc->length = idlen1;
4458 t10id = (struct scsi_vpd_id_t10 *)&desc->identifier[0];
4459 memset(t10id->vendor, ' ', sizeof(t10id->vendor));
4460 if ((vendor = ctl_get_opt(&be_lun->options, "vendor")) == NULL) {
4461 strncpy((char *)t10id->vendor, CTL_VENDOR, sizeof(t10id->vendor));
4463 strncpy(t10id->vendor, vendor,
4464 min(sizeof(t10id->vendor), strlen(vendor)));
4466 strncpy((char *)t10id->vendor_spec_id,
4467 (char *)be_lun->device_id, devidlen);
4468 if (scsiname != NULL) {
4469 desc = (struct scsi_vpd_id_descriptor *)(&desc->identifier[0] +
4471 desc->proto_codeset = SVPD_ID_CODESET_UTF8;
4472 desc->id_type = SVPD_ID_PIV | SVPD_ID_ASSOC_LUN |
4473 SVPD_ID_TYPE_SCSI_NAME;
4474 desc->length = idlen2;
4475 strlcpy(desc->identifier, scsiname, idlen2);
4478 desc = (struct scsi_vpd_id_descriptor *)(&desc->identifier[0] +
4480 desc->proto_codeset = SVPD_ID_CODESET_BINARY;
4481 desc->id_type = SVPD_ID_PIV | SVPD_ID_ASSOC_LUN |
4483 desc->length = hex2bin(eui, desc->identifier, 16);
4484 desc->length = desc->length > 12 ? 16 :
4485 (desc->length > 8 ? 12 : 8);
4486 len -= 16 - desc->length;
4489 desc = (struct scsi_vpd_id_descriptor *)(&desc->identifier[0] +
4491 desc->proto_codeset = SVPD_ID_CODESET_BINARY;
4492 desc->id_type = SVPD_ID_PIV | SVPD_ID_ASSOC_LUN |
4494 desc->length = hex2bin(naa, desc->identifier, 16);
4495 desc->length = desc->length > 8 ? 16 : 8;
4496 len -= 16 - desc->length;
4498 lun->lun_devid->len = len;
4500 mtx_lock(&ctl_softc->ctl_lock);
4502 * See if the caller requested a particular LUN number. If so, see
4503 * if it is available. Otherwise, allocate the first available LUN.
4505 if (be_lun->flags & CTL_LUN_FLAG_ID_REQ) {
4506 if ((be_lun->req_lun_id > (CTL_MAX_LUNS - 1))
4507 || (ctl_is_set(ctl_softc->ctl_lun_mask, be_lun->req_lun_id))) {
4508 mtx_unlock(&ctl_softc->ctl_lock);
4509 if (be_lun->req_lun_id > (CTL_MAX_LUNS - 1)) {
4510 printf("ctl: requested LUN ID %d is higher "
4511 "than CTL_MAX_LUNS - 1 (%d)\n",
4512 be_lun->req_lun_id, CTL_MAX_LUNS - 1);
4515 * XXX KDM return an error, or just assign
4516 * another LUN ID in this case??
4518 printf("ctl: requested LUN ID %d is already "
4519 "in use\n", be_lun->req_lun_id);
4521 if (lun->flags & CTL_LUN_MALLOCED)
4523 be_lun->lun_config_status(be_lun->be_lun,
4524 CTL_LUN_CONFIG_FAILURE);
4527 lun_number = be_lun->req_lun_id;
4529 lun_number = ctl_ffz(ctl_softc->ctl_lun_mask, 0, CTL_MAX_LUNS);
4530 if (lun_number == -1) {
4531 mtx_unlock(&ctl_softc->ctl_lock);
4532 printf("ctl: can't allocate LUN, out of LUNs\n");
4533 if (lun->flags & CTL_LUN_MALLOCED)
4535 be_lun->lun_config_status(be_lun->be_lun,
4536 CTL_LUN_CONFIG_FAILURE);
4540 ctl_set_mask(ctl_softc->ctl_lun_mask, lun_number);
4542 mtx_init(&lun->lun_lock, "CTL LUN", NULL, MTX_DEF);
4543 lun->lun = lun_number;
4544 lun->be_lun = be_lun;
4546 * The processor LUN is always enabled. Disk LUNs come on line
4547 * disabled, and must be enabled by the backend.
4549 lun->flags |= CTL_LUN_DISABLED;
4550 lun->backend = be_lun->be;
4551 be_lun->ctl_lun = lun;
4552 be_lun->lun_id = lun_number;
4553 atomic_add_int(&be_lun->be->num_luns, 1);
4554 if (be_lun->flags & CTL_LUN_FLAG_EJECTED)
4555 lun->flags |= CTL_LUN_EJECTED;
4556 if (be_lun->flags & CTL_LUN_FLAG_NO_MEDIA)
4557 lun->flags |= CTL_LUN_NO_MEDIA;
4558 if (be_lun->flags & CTL_LUN_FLAG_STOPPED)
4559 lun->flags |= CTL_LUN_STOPPED;
4561 if (be_lun->flags & CTL_LUN_FLAG_PRIMARY)
4562 lun->flags |= CTL_LUN_PRIMARY_SC;
4564 value = ctl_get_opt(&be_lun->options, "removable");
4565 if (value != NULL) {
4566 if (strcmp(value, "on") == 0)
4567 lun->flags |= CTL_LUN_REMOVABLE;
4568 } else if (be_lun->lun_type == T_CDROM)
4569 lun->flags |= CTL_LUN_REMOVABLE;
4571 lun->ctl_softc = ctl_softc;
4573 lun->last_busy = getsbinuptime();
4575 TAILQ_INIT(&lun->ooa_queue);
4576 TAILQ_INIT(&lun->blocked_queue);
4577 STAILQ_INIT(&lun->error_list);
4578 lun->ie_reported = 1;
4579 callout_init_mtx(&lun->ie_callout, &lun->lun_lock, 0);
4580 ctl_tpc_lun_init(lun);
4583 * Initialize the mode and log page index.
4585 ctl_init_page_index(lun);
4586 ctl_init_log_page_index(lun);
4589 * Now, before we insert this lun on the lun list, set the lun
4590 * inventory changed UA for all other luns.
4592 STAILQ_FOREACH(nlun, &ctl_softc->lun_list, links) {
4593 mtx_lock(&nlun->lun_lock);
4594 ctl_est_ua_all(nlun, -1, CTL_UA_LUN_CHANGE);
4595 mtx_unlock(&nlun->lun_lock);
4598 STAILQ_INSERT_TAIL(&ctl_softc->lun_list, lun, links);
4600 ctl_softc->ctl_luns[lun_number] = lun;
4602 ctl_softc->num_luns++;
4604 /* Setup statistics gathering */
4605 lun->stats.device_type = be_lun->lun_type;
4606 lun->stats.lun_number = lun_number;
4607 lun->stats.blocksize = be_lun->blocksize;
4608 if (be_lun->blocksize == 0)
4609 lun->stats.flags = CTL_LUN_STATS_NO_BLOCKSIZE;
4610 for (i = 0;i < CTL_MAX_PORTS;i++)
4611 lun->stats.ports[i].targ_port = i;
4613 mtx_unlock(&ctl_softc->ctl_lock);
4615 lun->be_lun->lun_config_status(lun->be_lun->be_lun, CTL_LUN_CONFIG_OK);
4622 * - LUN has already been marked invalid and any pending I/O has been taken
4626 ctl_free_lun(struct ctl_lun *lun)
4628 struct ctl_softc *softc;
4629 struct ctl_lun *nlun;
4632 softc = lun->ctl_softc;
4634 mtx_assert(&softc->ctl_lock, MA_OWNED);
4636 STAILQ_REMOVE(&softc->lun_list, lun, ctl_lun, links);
4638 ctl_clear_mask(softc->ctl_lun_mask, lun->lun);
4640 softc->ctl_luns[lun->lun] = NULL;
4642 if (!TAILQ_EMPTY(&lun->ooa_queue))
4643 panic("Freeing a LUN %p with outstanding I/O!!\n", lun);
4648 * Tell the backend to free resources, if this LUN has a backend.
4650 atomic_subtract_int(&lun->be_lun->be->num_luns, 1);
4651 lun->be_lun->lun_shutdown(lun->be_lun->be_lun);
4653 lun->ie_reportcnt = UINT32_MAX;
4654 callout_drain(&lun->ie_callout);
4656 ctl_tpc_lun_shutdown(lun);
4657 mtx_destroy(&lun->lun_lock);
4658 free(lun->lun_devid, M_CTL);
4659 for (i = 0; i < CTL_MAX_PORTS; i++)
4660 free(lun->pending_ua[i], M_CTL);
4661 for (i = 0; i < CTL_MAX_PORTS; i++)
4662 free(lun->pr_keys[i], M_CTL);
4663 free(lun->write_buffer, M_CTL);
4664 if (lun->flags & CTL_LUN_MALLOCED)
4667 STAILQ_FOREACH(nlun, &softc->lun_list, links) {
4668 mtx_lock(&nlun->lun_lock);
4669 ctl_est_ua_all(nlun, -1, CTL_UA_LUN_CHANGE);
4670 mtx_unlock(&nlun->lun_lock);
4677 ctl_create_lun(struct ctl_be_lun *be_lun)
4681 * ctl_alloc_lun() should handle all potential failure cases.
4683 ctl_alloc_lun(control_softc, NULL, be_lun);
4687 ctl_add_lun(struct ctl_be_lun *be_lun)
4689 struct ctl_softc *softc = control_softc;
4691 mtx_lock(&softc->ctl_lock);
4692 STAILQ_INSERT_TAIL(&softc->pending_lun_queue, be_lun, links);
4693 mtx_unlock(&softc->ctl_lock);
4694 wakeup(&softc->pending_lun_queue);
4700 ctl_enable_lun(struct ctl_be_lun *be_lun)
4702 struct ctl_softc *softc;
4703 struct ctl_port *port, *nport;
4704 struct ctl_lun *lun;
4707 lun = (struct ctl_lun *)be_lun->ctl_lun;
4708 softc = lun->ctl_softc;
4710 mtx_lock(&softc->ctl_lock);
4711 mtx_lock(&lun->lun_lock);
4712 if ((lun->flags & CTL_LUN_DISABLED) == 0) {
4714 * eh? Why did we get called if the LUN is already
4717 mtx_unlock(&lun->lun_lock);
4718 mtx_unlock(&softc->ctl_lock);
4721 lun->flags &= ~CTL_LUN_DISABLED;
4722 mtx_unlock(&lun->lun_lock);
4724 STAILQ_FOREACH_SAFE(port, &softc->port_list, links, nport) {
4725 if ((port->status & CTL_PORT_STATUS_ONLINE) == 0 ||
4726 port->lun_map != NULL || port->lun_enable == NULL)
4730 * Drop the lock while we call the FETD's enable routine.
4731 * This can lead to a callback into CTL (at least in the
4732 * case of the internal initiator frontend.
4734 mtx_unlock(&softc->ctl_lock);
4735 retval = port->lun_enable(port->targ_lun_arg, lun->lun);
4736 mtx_lock(&softc->ctl_lock);
4738 printf("%s: FETD %s port %d returned error "
4739 "%d for lun_enable on lun %jd\n",
4740 __func__, port->port_name, port->targ_port,
4741 retval, (intmax_t)lun->lun);
4745 mtx_unlock(&softc->ctl_lock);
4746 ctl_isc_announce_lun(lun);
4752 ctl_disable_lun(struct ctl_be_lun *be_lun)
4754 struct ctl_softc *softc;
4755 struct ctl_port *port;
4756 struct ctl_lun *lun;
4759 lun = (struct ctl_lun *)be_lun->ctl_lun;
4760 softc = lun->ctl_softc;
4762 mtx_lock(&softc->ctl_lock);
4763 mtx_lock(&lun->lun_lock);
4764 if (lun->flags & CTL_LUN_DISABLED) {
4765 mtx_unlock(&lun->lun_lock);
4766 mtx_unlock(&softc->ctl_lock);
4769 lun->flags |= CTL_LUN_DISABLED;
4770 mtx_unlock(&lun->lun_lock);
4772 STAILQ_FOREACH(port, &softc->port_list, links) {
4773 if ((port->status & CTL_PORT_STATUS_ONLINE) == 0 ||
4774 port->lun_map != NULL || port->lun_disable == NULL)
4778 * Drop the lock before we call the frontend's disable
4779 * routine, to avoid lock order reversals.
4781 * XXX KDM what happens if the frontend list changes while
4782 * we're traversing it? It's unlikely, but should be handled.
4784 mtx_unlock(&softc->ctl_lock);
4785 retval = port->lun_disable(port->targ_lun_arg, lun->lun);
4786 mtx_lock(&softc->ctl_lock);
4788 printf("%s: FETD %s port %d returned error "
4789 "%d for lun_disable on lun %jd\n",
4790 __func__, port->port_name, port->targ_port,
4791 retval, (intmax_t)lun->lun);
4795 mtx_unlock(&softc->ctl_lock);
4796 ctl_isc_announce_lun(lun);
4802 ctl_start_lun(struct ctl_be_lun *be_lun)
4804 struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
4806 mtx_lock(&lun->lun_lock);
4807 lun->flags &= ~CTL_LUN_STOPPED;
4808 mtx_unlock(&lun->lun_lock);
4813 ctl_stop_lun(struct ctl_be_lun *be_lun)
4815 struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
4817 mtx_lock(&lun->lun_lock);
4818 lun->flags |= CTL_LUN_STOPPED;
4819 mtx_unlock(&lun->lun_lock);
4824 ctl_lun_no_media(struct ctl_be_lun *be_lun)
4826 struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
4828 mtx_lock(&lun->lun_lock);
4829 lun->flags |= CTL_LUN_NO_MEDIA;
4830 mtx_unlock(&lun->lun_lock);
4835 ctl_lun_has_media(struct ctl_be_lun *be_lun)
4837 struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
4838 union ctl_ha_msg msg;
4840 mtx_lock(&lun->lun_lock);
4841 lun->flags &= ~(CTL_LUN_NO_MEDIA | CTL_LUN_EJECTED);
4842 if (lun->flags & CTL_LUN_REMOVABLE)
4843 ctl_est_ua_all(lun, -1, CTL_UA_MEDIUM_CHANGE);
4844 mtx_unlock(&lun->lun_lock);
4845 if ((lun->flags & CTL_LUN_REMOVABLE) &&
4846 lun->ctl_softc->ha_mode == CTL_HA_MODE_XFER) {
4847 bzero(&msg.ua, sizeof(msg.ua));
4848 msg.hdr.msg_type = CTL_MSG_UA;
4849 msg.hdr.nexus.initid = -1;
4850 msg.hdr.nexus.targ_port = -1;
4851 msg.hdr.nexus.targ_lun = lun->lun;
4852 msg.hdr.nexus.targ_mapped_lun = lun->lun;
4855 msg.ua.ua_type = CTL_UA_MEDIUM_CHANGE;
4856 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg, sizeof(msg.ua),
4863 ctl_lun_ejected(struct ctl_be_lun *be_lun)
4865 struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
4867 mtx_lock(&lun->lun_lock);
4868 lun->flags |= CTL_LUN_EJECTED;
4869 mtx_unlock(&lun->lun_lock);
4874 ctl_lun_primary(struct ctl_be_lun *be_lun)
4876 struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
4878 mtx_lock(&lun->lun_lock);
4879 lun->flags |= CTL_LUN_PRIMARY_SC;
4880 ctl_est_ua_all(lun, -1, CTL_UA_ASYM_ACC_CHANGE);
4881 mtx_unlock(&lun->lun_lock);
4882 ctl_isc_announce_lun(lun);
4887 ctl_lun_secondary(struct ctl_be_lun *be_lun)
4889 struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
4891 mtx_lock(&lun->lun_lock);
4892 lun->flags &= ~CTL_LUN_PRIMARY_SC;
4893 ctl_est_ua_all(lun, -1, CTL_UA_ASYM_ACC_CHANGE);
4894 mtx_unlock(&lun->lun_lock);
4895 ctl_isc_announce_lun(lun);
4900 ctl_invalidate_lun(struct ctl_be_lun *be_lun)
4902 struct ctl_softc *softc;
4903 struct ctl_lun *lun;
4905 lun = (struct ctl_lun *)be_lun->ctl_lun;
4906 softc = lun->ctl_softc;
4908 mtx_lock(&lun->lun_lock);
4911 * The LUN needs to be disabled before it can be marked invalid.
4913 if ((lun->flags & CTL_LUN_DISABLED) == 0) {
4914 mtx_unlock(&lun->lun_lock);
4918 * Mark the LUN invalid.
4920 lun->flags |= CTL_LUN_INVALID;
4923 * If there is nothing in the OOA queue, go ahead and free the LUN.
4924 * If we have something in the OOA queue, we'll free it when the
4925 * last I/O completes.
4927 if (TAILQ_EMPTY(&lun->ooa_queue)) {
4928 mtx_unlock(&lun->lun_lock);
4929 mtx_lock(&softc->ctl_lock);
4931 mtx_unlock(&softc->ctl_lock);
4933 mtx_unlock(&lun->lun_lock);
4939 ctl_lun_capacity_changed(struct ctl_be_lun *be_lun)
4941 struct ctl_lun *lun = (struct ctl_lun *)be_lun->ctl_lun;
4942 union ctl_ha_msg msg;
4944 mtx_lock(&lun->lun_lock);
4945 ctl_est_ua_all(lun, -1, CTL_UA_CAPACITY_CHANGE);
4946 mtx_unlock(&lun->lun_lock);
4947 if (lun->ctl_softc->ha_mode == CTL_HA_MODE_XFER) {
4948 /* Send msg to other side. */
4949 bzero(&msg.ua, sizeof(msg.ua));
4950 msg.hdr.msg_type = CTL_MSG_UA;
4951 msg.hdr.nexus.initid = -1;
4952 msg.hdr.nexus.targ_port = -1;
4953 msg.hdr.nexus.targ_lun = lun->lun;
4954 msg.hdr.nexus.targ_mapped_lun = lun->lun;
4957 msg.ua.ua_type = CTL_UA_CAPACITY_CHANGE;
4958 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg, sizeof(msg.ua),
4964 * Backend "memory move is complete" callback for requests that never
4965 * make it down to say RAIDCore's configuration code.
4968 ctl_config_move_done(union ctl_io *io)
4972 CTL_DEBUG_PRINT(("ctl_config_move_done\n"));
4973 KASSERT(io->io_hdr.io_type == CTL_IO_SCSI,
4974 ("Config I/O type isn't CTL_IO_SCSI (%d)!", io->io_hdr.io_type));
4976 if ((io->io_hdr.port_status != 0) &&
4977 ((io->io_hdr.status & CTL_STATUS_MASK) == CTL_STATUS_NONE ||
4978 (io->io_hdr.status & CTL_STATUS_MASK) == CTL_SUCCESS)) {
4980 * For hardware error sense keys, the sense key
4981 * specific value is defined to be a retry count,
4982 * but we use it to pass back an internal FETD
4983 * error code. XXX KDM Hopefully the FETD is only
4984 * using 16 bits for an error code, since that's
4985 * all the space we have in the sks field.
4987 ctl_set_internal_failure(&io->scsiio,
4990 io->io_hdr.port_status);
4993 if (ctl_debug & CTL_DEBUG_CDB_DATA)
4995 if (((io->io_hdr.flags & CTL_FLAG_DATA_MASK) == CTL_FLAG_DATA_IN) ||
4996 ((io->io_hdr.status & CTL_STATUS_MASK) != CTL_STATUS_NONE &&
4997 (io->io_hdr.status & CTL_STATUS_MASK) != CTL_SUCCESS) ||
4998 ((io->io_hdr.flags & CTL_FLAG_ABORT) != 0)) {
5000 * XXX KDM just assuming a single pointer here, and not a
5001 * S/G list. If we start using S/G lists for config data,
5002 * we'll need to know how to clean them up here as well.
5004 if (io->io_hdr.flags & CTL_FLAG_ALLOCATED)
5005 free(io->scsiio.kern_data_ptr, M_CTL);
5007 retval = CTL_RETVAL_COMPLETE;
5010 * XXX KDM now we need to continue data movement. Some
5012 * - call ctl_scsiio() again? We don't do this for data
5013 * writes, because for those at least we know ahead of
5014 * time where the write will go and how long it is. For
5015 * config writes, though, that information is largely
5016 * contained within the write itself, thus we need to
5017 * parse out the data again.
5019 * - Call some other function once the data is in?
5023 * XXX KDM call ctl_scsiio() again for now, and check flag
5024 * bits to see whether we're allocated or not.
5026 retval = ctl_scsiio(&io->scsiio);
5032 * This gets called by a backend driver when it is done with a
5033 * data_submit method.
5036 ctl_data_submit_done(union ctl_io *io)
5039 * If the IO_CONT flag is set, we need to call the supplied
5040 * function to continue processing the I/O, instead of completing
5043 * If there is an error, though, we don't want to keep processing.
5044 * Instead, just send status back to the initiator.
5046 if ((io->io_hdr.flags & CTL_FLAG_IO_CONT) &&
5047 (io->io_hdr.flags & CTL_FLAG_ABORT) == 0 &&
5048 ((io->io_hdr.status & CTL_STATUS_MASK) == CTL_STATUS_NONE ||
5049 (io->io_hdr.status & CTL_STATUS_MASK) == CTL_SUCCESS)) {
5050 io->scsiio.io_cont(io);
5057 * This gets called by a backend driver when it is done with a
5058 * configuration write.
5061 ctl_config_write_done(union ctl_io *io)
5066 * If the IO_CONT flag is set, we need to call the supplied
5067 * function to continue processing the I/O, instead of completing
5070 * If there is an error, though, we don't want to keep processing.
5071 * Instead, just send status back to the initiator.
5073 if ((io->io_hdr.flags & CTL_FLAG_IO_CONT) &&
5074 (io->io_hdr.flags & CTL_FLAG_ABORT) == 0 &&
5075 ((io->io_hdr.status & CTL_STATUS_MASK) == CTL_STATUS_NONE ||
5076 (io->io_hdr.status & CTL_STATUS_MASK) == CTL_SUCCESS)) {
5077 io->scsiio.io_cont(io);
5081 * Since a configuration write can be done for commands that actually
5082 * have data allocated, like write buffer, and commands that have
5083 * no data, like start/stop unit, we need to check here.
5085 if (io->io_hdr.flags & CTL_FLAG_ALLOCATED)
5086 buf = io->scsiio.kern_data_ptr;
5095 ctl_config_read_done(union ctl_io *io)
5100 * If there is some error -- we are done, skip data transfer.
5102 if ((io->io_hdr.flags & CTL_FLAG_ABORT) != 0 ||
5103 ((io->io_hdr.status & CTL_STATUS_MASK) != CTL_STATUS_NONE &&
5104 (io->io_hdr.status & CTL_STATUS_MASK) != CTL_SUCCESS)) {
5105 if (io->io_hdr.flags & CTL_FLAG_ALLOCATED)
5106 buf = io->scsiio.kern_data_ptr;
5116 * If the IO_CONT flag is set, we need to call the supplied
5117 * function to continue processing the I/O, instead of completing
5120 if (io->io_hdr.flags & CTL_FLAG_IO_CONT) {
5121 io->scsiio.io_cont(io);
5129 * SCSI release command.
5132 ctl_scsi_release(struct ctl_scsiio *ctsio)
5134 struct ctl_lun *lun;
5137 CTL_DEBUG_PRINT(("ctl_scsi_release\n"));
5139 residx = ctl_get_initindex(&ctsio->io_hdr.nexus);
5140 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
5143 * XXX KDM right now, we only support LUN reservation. We don't
5144 * support 3rd party reservations, or extent reservations, which
5145 * might actually need the parameter list. If we've gotten this
5146 * far, we've got a LUN reservation. Anything else got kicked out
5147 * above. So, according to SPC, ignore the length.
5150 mtx_lock(&lun->lun_lock);
5153 * According to SPC, it is not an error for an intiator to attempt
5154 * to release a reservation on a LUN that isn't reserved, or that
5155 * is reserved by another initiator. The reservation can only be
5156 * released, though, by the initiator who made it or by one of
5157 * several reset type events.
5159 if ((lun->flags & CTL_LUN_RESERVED) && (lun->res_idx == residx))
5160 lun->flags &= ~CTL_LUN_RESERVED;
5162 mtx_unlock(&lun->lun_lock);
5164 ctl_set_success(ctsio);
5165 ctl_done((union ctl_io *)ctsio);
5166 return (CTL_RETVAL_COMPLETE);
5170 ctl_scsi_reserve(struct ctl_scsiio *ctsio)
5172 struct ctl_lun *lun;
5175 CTL_DEBUG_PRINT(("ctl_reserve\n"));
5177 residx = ctl_get_initindex(&ctsio->io_hdr.nexus);
5178 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
5181 * XXX KDM right now, we only support LUN reservation. We don't
5182 * support 3rd party reservations, or extent reservations, which
5183 * might actually need the parameter list. If we've gotten this
5184 * far, we've got a LUN reservation. Anything else got kicked out
5185 * above. So, according to SPC, ignore the length.
5188 mtx_lock(&lun->lun_lock);
5189 if ((lun->flags & CTL_LUN_RESERVED) && (lun->res_idx != residx)) {
5190 ctl_set_reservation_conflict(ctsio);
5194 /* SPC-3 exceptions to SPC-2 RESERVE and RELEASE behavior. */
5195 if (lun->flags & CTL_LUN_PR_RESERVED) {
5196 ctl_set_success(ctsio);
5200 lun->flags |= CTL_LUN_RESERVED;
5201 lun->res_idx = residx;
5202 ctl_set_success(ctsio);
5205 mtx_unlock(&lun->lun_lock);
5206 ctl_done((union ctl_io *)ctsio);
5207 return (CTL_RETVAL_COMPLETE);
5211 ctl_start_stop(struct ctl_scsiio *ctsio)
5213 struct scsi_start_stop_unit *cdb;
5214 struct ctl_lun *lun;
5217 CTL_DEBUG_PRINT(("ctl_start_stop\n"));
5219 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
5220 cdb = (struct scsi_start_stop_unit *)ctsio->cdb;
5222 if ((cdb->how & SSS_PC_MASK) == 0) {
5223 if ((lun->flags & CTL_LUN_PR_RESERVED) &&
5224 (cdb->how & SSS_START) == 0) {
5227 residx = ctl_get_initindex(&ctsio->io_hdr.nexus);
5228 if (ctl_get_prkey(lun, residx) == 0 ||
5229 (lun->pr_res_idx != residx && lun->pr_res_type < 4)) {
5231 ctl_set_reservation_conflict(ctsio);
5232 ctl_done((union ctl_io *)ctsio);
5233 return (CTL_RETVAL_COMPLETE);
5237 if ((cdb->how & SSS_LOEJ) &&
5238 (lun->flags & CTL_LUN_REMOVABLE) == 0) {
5239 ctl_set_invalid_field(ctsio,
5245 ctl_done((union ctl_io *)ctsio);
5246 return (CTL_RETVAL_COMPLETE);
5249 if ((cdb->how & SSS_START) == 0 && (cdb->how & SSS_LOEJ) &&
5250 lun->prevent_count > 0) {
5251 /* "Medium removal prevented" */
5252 ctl_set_sense(ctsio, /*current_error*/ 1,
5253 /*sense_key*/(lun->flags & CTL_LUN_NO_MEDIA) ?
5254 SSD_KEY_NOT_READY : SSD_KEY_ILLEGAL_REQUEST,
5255 /*asc*/ 0x53, /*ascq*/ 0x02, SSD_ELEM_NONE);
5256 ctl_done((union ctl_io *)ctsio);
5257 return (CTL_RETVAL_COMPLETE);
5261 retval = lun->backend->config_write((union ctl_io *)ctsio);
5266 ctl_prevent_allow(struct ctl_scsiio *ctsio)
5268 struct ctl_lun *lun;
5269 struct scsi_prevent *cdb;
5273 CTL_DEBUG_PRINT(("ctl_prevent_allow\n"));
5275 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
5276 cdb = (struct scsi_prevent *)ctsio->cdb;
5278 if ((lun->flags & CTL_LUN_REMOVABLE) == 0) {
5279 ctl_set_invalid_opcode(ctsio);
5280 ctl_done((union ctl_io *)ctsio);
5281 return (CTL_RETVAL_COMPLETE);
5284 initidx = ctl_get_initindex(&ctsio->io_hdr.nexus);
5285 mtx_lock(&lun->lun_lock);
5286 if ((cdb->how & PR_PREVENT) &&
5287 ctl_is_set(lun->prevent, initidx) == 0) {
5288 ctl_set_mask(lun->prevent, initidx);
5289 lun->prevent_count++;
5290 } else if ((cdb->how & PR_PREVENT) == 0 &&
5291 ctl_is_set(lun->prevent, initidx)) {
5292 ctl_clear_mask(lun->prevent, initidx);
5293 lun->prevent_count--;
5295 mtx_unlock(&lun->lun_lock);
5296 retval = lun->backend->config_write((union ctl_io *)ctsio);
5301 * We support the SYNCHRONIZE CACHE command (10 and 16 byte versions), but
5302 * we don't really do anything with the LBA and length fields if the user
5303 * passes them in. Instead we'll just flush out the cache for the entire
5307 ctl_sync_cache(struct ctl_scsiio *ctsio)
5309 struct ctl_lun *lun;
5310 struct ctl_softc *softc;
5311 struct ctl_lba_len_flags *lbalen;
5312 uint64_t starting_lba;
5313 uint32_t block_count;
5317 CTL_DEBUG_PRINT(("ctl_sync_cache\n"));
5319 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
5320 softc = lun->ctl_softc;
5323 switch (ctsio->cdb[0]) {
5324 case SYNCHRONIZE_CACHE: {
5325 struct scsi_sync_cache *cdb;
5326 cdb = (struct scsi_sync_cache *)ctsio->cdb;
5328 starting_lba = scsi_4btoul(cdb->begin_lba);
5329 block_count = scsi_2btoul(cdb->lb_count);
5333 case SYNCHRONIZE_CACHE_16: {
5334 struct scsi_sync_cache_16 *cdb;
5335 cdb = (struct scsi_sync_cache_16 *)ctsio->cdb;
5337 starting_lba = scsi_8btou64(cdb->begin_lba);
5338 block_count = scsi_4btoul(cdb->lb_count);
5343 ctl_set_invalid_opcode(ctsio);
5344 ctl_done((union ctl_io *)ctsio);
5346 break; /* NOTREACHED */
5350 * We check the LBA and length, but don't do anything with them.
5351 * A SYNCHRONIZE CACHE will cause the entire cache for this lun to
5352 * get flushed. This check will just help satisfy anyone who wants
5353 * to see an error for an out of range LBA.
5355 if ((starting_lba + block_count) > (lun->be_lun->maxlba + 1)) {
5356 ctl_set_lba_out_of_range(ctsio);
5357 ctl_done((union ctl_io *)ctsio);
5361 lbalen = (struct ctl_lba_len_flags *)&ctsio->io_hdr.ctl_private[CTL_PRIV_LBA_LEN];
5362 lbalen->lba = starting_lba;
5363 lbalen->len = block_count;
5364 lbalen->flags = byte2;
5365 retval = lun->backend->config_write((union ctl_io *)ctsio);
5372 ctl_format(struct ctl_scsiio *ctsio)
5374 struct scsi_format *cdb;
5375 struct ctl_lun *lun;
5376 int length, defect_list_len;
5378 CTL_DEBUG_PRINT(("ctl_format\n"));
5380 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
5382 cdb = (struct scsi_format *)ctsio->cdb;
5385 if (cdb->byte2 & SF_FMTDATA) {
5386 if (cdb->byte2 & SF_LONGLIST)
5387 length = sizeof(struct scsi_format_header_long);
5389 length = sizeof(struct scsi_format_header_short);
5392 if (((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0)
5394 ctsio->kern_data_ptr = malloc(length, M_CTL, M_WAITOK);
5395 ctsio->kern_data_len = length;
5396 ctsio->kern_total_len = length;
5397 ctsio->kern_data_resid = 0;
5398 ctsio->kern_rel_offset = 0;
5399 ctsio->kern_sg_entries = 0;
5400 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
5401 ctsio->be_move_done = ctl_config_move_done;
5402 ctl_datamove((union ctl_io *)ctsio);
5404 return (CTL_RETVAL_COMPLETE);
5407 defect_list_len = 0;
5409 if (cdb->byte2 & SF_FMTDATA) {
5410 if (cdb->byte2 & SF_LONGLIST) {
5411 struct scsi_format_header_long *header;
5413 header = (struct scsi_format_header_long *)
5414 ctsio->kern_data_ptr;
5416 defect_list_len = scsi_4btoul(header->defect_list_len);
5417 if (defect_list_len != 0) {
5418 ctl_set_invalid_field(ctsio,
5427 struct scsi_format_header_short *header;
5429 header = (struct scsi_format_header_short *)
5430 ctsio->kern_data_ptr;
5432 defect_list_len = scsi_2btoul(header->defect_list_len);
5433 if (defect_list_len != 0) {
5434 ctl_set_invalid_field(ctsio,
5445 ctl_set_success(ctsio);
5448 if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) {
5449 free(ctsio->kern_data_ptr, M_CTL);
5450 ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED;
5453 ctl_done((union ctl_io *)ctsio);
5454 return (CTL_RETVAL_COMPLETE);
5458 ctl_read_buffer(struct ctl_scsiio *ctsio)
5460 struct ctl_lun *lun;
5461 uint64_t buffer_offset;
5464 static uint8_t descr[4];
5465 static uint8_t echo_descr[4] = { 0 };
5467 CTL_DEBUG_PRINT(("ctl_read_buffer\n"));
5468 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
5469 switch (ctsio->cdb[0]) {
5471 struct scsi_read_buffer *cdb;
5473 cdb = (struct scsi_read_buffer *)ctsio->cdb;
5474 buffer_offset = scsi_3btoul(cdb->offset);
5475 len = scsi_3btoul(cdb->length);
5479 case READ_BUFFER_16: {
5480 struct scsi_read_buffer_16 *cdb;
5482 cdb = (struct scsi_read_buffer_16 *)ctsio->cdb;
5483 buffer_offset = scsi_8btou64(cdb->offset);
5484 len = scsi_4btoul(cdb->length);
5488 default: /* This shouldn't happen. */
5489 ctl_set_invalid_opcode(ctsio);
5490 ctl_done((union ctl_io *)ctsio);
5491 return (CTL_RETVAL_COMPLETE);
5494 if ((byte2 & RWB_MODE) != RWB_MODE_DATA &&
5495 (byte2 & RWB_MODE) != RWB_MODE_ECHO_DESCR &&
5496 (byte2 & RWB_MODE) != RWB_MODE_DESCR) {
5497 ctl_set_invalid_field(ctsio,
5503 ctl_done((union ctl_io *)ctsio);
5504 return (CTL_RETVAL_COMPLETE);
5507 if (buffer_offset > CTL_WRITE_BUFFER_SIZE ||
5508 buffer_offset + len > CTL_WRITE_BUFFER_SIZE) {
5509 ctl_set_invalid_field(ctsio,
5515 ctl_done((union ctl_io *)ctsio);
5516 return (CTL_RETVAL_COMPLETE);
5519 if ((byte2 & RWB_MODE) == RWB_MODE_DESCR) {
5521 scsi_ulto3b(CTL_WRITE_BUFFER_SIZE, &descr[1]);
5522 ctsio->kern_data_ptr = descr;
5523 len = min(len, sizeof(descr));
5524 } else if ((byte2 & RWB_MODE) == RWB_MODE_ECHO_DESCR) {
5525 ctsio->kern_data_ptr = echo_descr;
5526 len = min(len, sizeof(echo_descr));
5528 if (lun->write_buffer == NULL) {
5529 lun->write_buffer = malloc(CTL_WRITE_BUFFER_SIZE,
5532 ctsio->kern_data_ptr = lun->write_buffer + buffer_offset;
5534 ctsio->kern_data_len = len;
5535 ctsio->kern_total_len = len;
5536 ctsio->kern_data_resid = 0;
5537 ctsio->kern_rel_offset = 0;
5538 ctsio->kern_sg_entries = 0;
5539 ctl_set_success(ctsio);
5540 ctsio->be_move_done = ctl_config_move_done;
5541 ctl_datamove((union ctl_io *)ctsio);
5542 return (CTL_RETVAL_COMPLETE);
5546 ctl_write_buffer(struct ctl_scsiio *ctsio)
5548 struct scsi_write_buffer *cdb;
5549 struct ctl_lun *lun;
5550 int buffer_offset, len;
5552 CTL_DEBUG_PRINT(("ctl_write_buffer\n"));
5554 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
5555 cdb = (struct scsi_write_buffer *)ctsio->cdb;
5557 if ((cdb->byte2 & RWB_MODE) != RWB_MODE_DATA) {
5558 ctl_set_invalid_field(ctsio,
5564 ctl_done((union ctl_io *)ctsio);
5565 return (CTL_RETVAL_COMPLETE);
5568 len = scsi_3btoul(cdb->length);
5569 buffer_offset = scsi_3btoul(cdb->offset);
5571 if (buffer_offset + len > CTL_WRITE_BUFFER_SIZE) {
5572 ctl_set_invalid_field(ctsio,
5578 ctl_done((union ctl_io *)ctsio);
5579 return (CTL_RETVAL_COMPLETE);
5583 * If we've got a kernel request that hasn't been malloced yet,
5584 * malloc it and tell the caller the data buffer is here.
5586 if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
5587 if (lun->write_buffer == NULL) {
5588 lun->write_buffer = malloc(CTL_WRITE_BUFFER_SIZE,
5591 ctsio->kern_data_ptr = lun->write_buffer + buffer_offset;
5592 ctsio->kern_data_len = len;
5593 ctsio->kern_total_len = len;
5594 ctsio->kern_data_resid = 0;
5595 ctsio->kern_rel_offset = 0;
5596 ctsio->kern_sg_entries = 0;
5597 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
5598 ctsio->be_move_done = ctl_config_move_done;
5599 ctl_datamove((union ctl_io *)ctsio);
5601 return (CTL_RETVAL_COMPLETE);
5604 ctl_set_success(ctsio);
5605 ctl_done((union ctl_io *)ctsio);
5606 return (CTL_RETVAL_COMPLETE);
5610 ctl_write_same(struct ctl_scsiio *ctsio)
5612 struct ctl_lun *lun;
5613 struct ctl_lba_len_flags *lbalen;
5615 uint32_t num_blocks;
5619 CTL_DEBUG_PRINT(("ctl_write_same\n"));
5621 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
5623 switch (ctsio->cdb[0]) {
5624 case WRITE_SAME_10: {
5625 struct scsi_write_same_10 *cdb;
5627 cdb = (struct scsi_write_same_10 *)ctsio->cdb;
5629 lba = scsi_4btoul(cdb->addr);
5630 num_blocks = scsi_2btoul(cdb->length);
5634 case WRITE_SAME_16: {
5635 struct scsi_write_same_16 *cdb;
5637 cdb = (struct scsi_write_same_16 *)ctsio->cdb;
5639 lba = scsi_8btou64(cdb->addr);
5640 num_blocks = scsi_4btoul(cdb->length);
5646 * We got a command we don't support. This shouldn't
5647 * happen, commands should be filtered out above us.
5649 ctl_set_invalid_opcode(ctsio);
5650 ctl_done((union ctl_io *)ctsio);
5652 return (CTL_RETVAL_COMPLETE);
5653 break; /* NOTREACHED */
5656 /* ANCHOR flag can be used only together with UNMAP */
5657 if ((byte2 & SWS_UNMAP) == 0 && (byte2 & SWS_ANCHOR) != 0) {
5658 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
5659 /*command*/ 1, /*field*/ 1, /*bit_valid*/ 1, /*bit*/ 0);
5660 ctl_done((union ctl_io *)ctsio);
5661 return (CTL_RETVAL_COMPLETE);
5665 * The first check is to make sure we're in bounds, the second
5666 * check is to catch wrap-around problems. If the lba + num blocks
5667 * is less than the lba, then we've wrapped around and the block
5668 * range is invalid anyway.
5670 if (((lba + num_blocks) > (lun->be_lun->maxlba + 1))
5671 || ((lba + num_blocks) < lba)) {
5672 ctl_set_lba_out_of_range(ctsio);
5673 ctl_done((union ctl_io *)ctsio);
5674 return (CTL_RETVAL_COMPLETE);
5677 /* Zero number of blocks means "to the last logical block" */
5678 if (num_blocks == 0) {
5679 if ((lun->be_lun->maxlba + 1) - lba > UINT32_MAX) {
5680 ctl_set_invalid_field(ctsio,
5686 ctl_done((union ctl_io *)ctsio);
5687 return (CTL_RETVAL_COMPLETE);
5689 num_blocks = (lun->be_lun->maxlba + 1) - lba;
5692 len = lun->be_lun->blocksize;
5695 * If we've got a kernel request that hasn't been malloced yet,
5696 * malloc it and tell the caller the data buffer is here.
5698 if ((byte2 & SWS_NDOB) == 0 &&
5699 (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
5700 ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK);
5701 ctsio->kern_data_len = len;
5702 ctsio->kern_total_len = len;
5703 ctsio->kern_data_resid = 0;
5704 ctsio->kern_rel_offset = 0;
5705 ctsio->kern_sg_entries = 0;
5706 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
5707 ctsio->be_move_done = ctl_config_move_done;
5708 ctl_datamove((union ctl_io *)ctsio);
5710 return (CTL_RETVAL_COMPLETE);
5713 lbalen = (struct ctl_lba_len_flags *)&ctsio->io_hdr.ctl_private[CTL_PRIV_LBA_LEN];
5715 lbalen->len = num_blocks;
5716 lbalen->flags = byte2;
5717 retval = lun->backend->config_write((union ctl_io *)ctsio);
5723 ctl_unmap(struct ctl_scsiio *ctsio)
5725 struct ctl_lun *lun;
5726 struct scsi_unmap *cdb;
5727 struct ctl_ptr_len_flags *ptrlen;
5728 struct scsi_unmap_header *hdr;
5729 struct scsi_unmap_desc *buf, *end, *endnz, *range;
5731 uint32_t num_blocks;
5735 CTL_DEBUG_PRINT(("ctl_unmap\n"));
5737 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
5738 cdb = (struct scsi_unmap *)ctsio->cdb;
5740 len = scsi_2btoul(cdb->length);
5744 * If we've got a kernel request that hasn't been malloced yet,
5745 * malloc it and tell the caller the data buffer is here.
5747 if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
5748 ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK);
5749 ctsio->kern_data_len = len;
5750 ctsio->kern_total_len = len;
5751 ctsio->kern_data_resid = 0;
5752 ctsio->kern_rel_offset = 0;
5753 ctsio->kern_sg_entries = 0;
5754 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
5755 ctsio->be_move_done = ctl_config_move_done;
5756 ctl_datamove((union ctl_io *)ctsio);
5758 return (CTL_RETVAL_COMPLETE);
5761 len = ctsio->kern_total_len - ctsio->kern_data_resid;
5762 hdr = (struct scsi_unmap_header *)ctsio->kern_data_ptr;
5763 if (len < sizeof (*hdr) ||
5764 len < (scsi_2btoul(hdr->length) + sizeof(hdr->length)) ||
5765 len < (scsi_2btoul(hdr->desc_length) + sizeof (*hdr)) ||
5766 scsi_2btoul(hdr->desc_length) % sizeof(*buf) != 0) {
5767 ctl_set_invalid_field(ctsio,
5775 len = scsi_2btoul(hdr->desc_length);
5776 buf = (struct scsi_unmap_desc *)(hdr + 1);
5777 end = buf + len / sizeof(*buf);
5780 for (range = buf; range < end; range++) {
5781 lba = scsi_8btou64(range->lba);
5782 num_blocks = scsi_4btoul(range->length);
5783 if (((lba + num_blocks) > (lun->be_lun->maxlba + 1))
5784 || ((lba + num_blocks) < lba)) {
5785 ctl_set_lba_out_of_range(ctsio);
5786 ctl_done((union ctl_io *)ctsio);
5787 return (CTL_RETVAL_COMPLETE);
5789 if (num_blocks != 0)
5794 * Block backend can not handle zero last range.
5795 * Filter it out and return if there is nothing left.
5797 len = (uint8_t *)endnz - (uint8_t *)buf;
5799 ctl_set_success(ctsio);
5803 mtx_lock(&lun->lun_lock);
5804 ptrlen = (struct ctl_ptr_len_flags *)
5805 &ctsio->io_hdr.ctl_private[CTL_PRIV_LBA_LEN];
5806 ptrlen->ptr = (void *)buf;
5808 ptrlen->flags = byte2;
5809 ctl_check_blocked(lun);
5810 mtx_unlock(&lun->lun_lock);
5812 retval = lun->backend->config_write((union ctl_io *)ctsio);
5816 if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) {
5817 free(ctsio->kern_data_ptr, M_CTL);
5818 ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED;
5820 ctl_done((union ctl_io *)ctsio);
5821 return (CTL_RETVAL_COMPLETE);
5825 ctl_default_page_handler(struct ctl_scsiio *ctsio,
5826 struct ctl_page_index *page_index, uint8_t *page_ptr)
5828 struct ctl_lun *lun;
5829 uint8_t *current_cp, *saved_cp;
5833 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
5834 initidx = ctl_get_initindex(&ctsio->io_hdr.nexus);
5837 current_cp = (page_index->page_data + (page_index->page_len *
5839 saved_cp = (page_index->page_data + (page_index->page_len *
5842 mtx_lock(&lun->lun_lock);
5843 if (memcmp(current_cp, page_ptr, page_index->page_len)) {
5844 memcpy(current_cp, page_ptr, page_index->page_len);
5845 memcpy(saved_cp, page_ptr, page_index->page_len);
5849 ctl_est_ua_all(lun, initidx, CTL_UA_MODE_CHANGE);
5850 mtx_unlock(&lun->lun_lock);
5852 ctl_isc_announce_mode(lun,
5853 ctl_get_initindex(&ctsio->io_hdr.nexus),
5854 page_index->page_code, page_index->subpage);
5856 return (CTL_RETVAL_COMPLETE);
5860 ctl_ie_timer(void *arg)
5862 struct ctl_lun *lun = arg;
5865 if (lun->ie_asc == 0)
5868 if (lun->MODE_IE.mrie == SIEP_MRIE_UA)
5869 ctl_est_ua_all(lun, -1, CTL_UA_IE);
5871 lun->ie_reported = 0;
5873 if (lun->ie_reportcnt < scsi_4btoul(lun->MODE_IE.report_count)) {
5874 lun->ie_reportcnt++;
5875 t = scsi_4btoul(lun->MODE_IE.interval_timer);
5876 if (t == 0 || t == UINT32_MAX)
5877 t = 3000; /* 5 min */
5878 callout_schedule(&lun->ie_callout, t * hz / 10);
5883 ctl_ie_page_handler(struct ctl_scsiio *ctsio,
5884 struct ctl_page_index *page_index, uint8_t *page_ptr)
5886 struct scsi_info_exceptions_page *pg;
5887 struct ctl_lun *lun;
5890 (void)ctl_default_page_handler(ctsio, page_index, page_ptr);
5892 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
5893 pg = (struct scsi_info_exceptions_page *)page_ptr;
5894 mtx_lock(&lun->lun_lock);
5895 if (pg->info_flags & SIEP_FLAGS_TEST) {
5897 lun->ie_ascq = 0xff;
5898 if (pg->mrie == SIEP_MRIE_UA) {
5899 ctl_est_ua_all(lun, -1, CTL_UA_IE);
5900 lun->ie_reported = 1;
5902 ctl_clr_ua_all(lun, -1, CTL_UA_IE);
5903 lun->ie_reported = -1;
5905 lun->ie_reportcnt = 1;
5906 if (lun->ie_reportcnt < scsi_4btoul(pg->report_count)) {
5907 lun->ie_reportcnt++;
5908 t = scsi_4btoul(pg->interval_timer);
5909 if (t == 0 || t == UINT32_MAX)
5910 t = 3000; /* 5 min */
5911 callout_reset(&lun->ie_callout, t * hz / 10,
5917 lun->ie_reported = 1;
5918 ctl_clr_ua_all(lun, -1, CTL_UA_IE);
5919 lun->ie_reportcnt = UINT32_MAX;
5920 callout_stop(&lun->ie_callout);
5922 mtx_unlock(&lun->lun_lock);
5923 return (CTL_RETVAL_COMPLETE);
5927 ctl_do_mode_select(union ctl_io *io)
5929 struct scsi_mode_page_header *page_header;
5930 struct ctl_page_index *page_index;
5931 struct ctl_scsiio *ctsio;
5932 int page_len, page_len_offset, page_len_size;
5933 union ctl_modepage_info *modepage_info;
5934 struct ctl_lun *lun;
5935 int *len_left, *len_used;
5938 ctsio = &io->scsiio;
5941 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
5943 modepage_info = (union ctl_modepage_info *)
5944 ctsio->io_hdr.ctl_private[CTL_PRIV_MODEPAGE].bytes;
5945 len_left = &modepage_info->header.len_left;
5946 len_used = &modepage_info->header.len_used;
5950 page_header = (struct scsi_mode_page_header *)
5951 (ctsio->kern_data_ptr + *len_used);
5953 if (*len_left == 0) {
5954 free(ctsio->kern_data_ptr, M_CTL);
5955 ctl_set_success(ctsio);
5956 ctl_done((union ctl_io *)ctsio);
5957 return (CTL_RETVAL_COMPLETE);
5958 } else if (*len_left < sizeof(struct scsi_mode_page_header)) {
5960 free(ctsio->kern_data_ptr, M_CTL);
5961 ctl_set_param_len_error(ctsio);
5962 ctl_done((union ctl_io *)ctsio);
5963 return (CTL_RETVAL_COMPLETE);
5965 } else if ((page_header->page_code & SMPH_SPF)
5966 && (*len_left < sizeof(struct scsi_mode_page_header_sp))) {
5968 free(ctsio->kern_data_ptr, M_CTL);
5969 ctl_set_param_len_error(ctsio);
5970 ctl_done((union ctl_io *)ctsio);
5971 return (CTL_RETVAL_COMPLETE);
5976 * XXX KDM should we do something with the block descriptor?
5978 for (i = 0; i < CTL_NUM_MODE_PAGES; i++) {
5979 page_index = &lun->mode_pages.index[i];
5980 if (lun->be_lun->lun_type == T_DIRECT &&
5981 (page_index->page_flags & CTL_PAGE_FLAG_DIRECT) == 0)
5983 if (lun->be_lun->lun_type == T_PROCESSOR &&
5984 (page_index->page_flags & CTL_PAGE_FLAG_PROC) == 0)
5986 if (lun->be_lun->lun_type == T_CDROM &&
5987 (page_index->page_flags & CTL_PAGE_FLAG_CDROM) == 0)
5990 if ((page_index->page_code & SMPH_PC_MASK) !=
5991 (page_header->page_code & SMPH_PC_MASK))
5995 * If neither page has a subpage code, then we've got a
5998 if (((page_index->page_code & SMPH_SPF) == 0)
5999 && ((page_header->page_code & SMPH_SPF) == 0)) {
6000 page_len = page_header->page_length;
6005 * If both pages have subpages, then the subpage numbers
6008 if ((page_index->page_code & SMPH_SPF)
6009 && (page_header->page_code & SMPH_SPF)) {
6010 struct scsi_mode_page_header_sp *sph;
6012 sph = (struct scsi_mode_page_header_sp *)page_header;
6013 if (page_index->subpage == sph->subpage) {
6014 page_len = scsi_2btoul(sph->page_length);
6021 * If we couldn't find the page, or if we don't have a mode select
6022 * handler for it, send back an error to the user.
6024 if ((i >= CTL_NUM_MODE_PAGES)
6025 || (page_index->select_handler == NULL)) {
6026 ctl_set_invalid_field(ctsio,
6029 /*field*/ *len_used,
6032 free(ctsio->kern_data_ptr, M_CTL);
6033 ctl_done((union ctl_io *)ctsio);
6034 return (CTL_RETVAL_COMPLETE);
6037 if (page_index->page_code & SMPH_SPF) {
6038 page_len_offset = 2;
6042 page_len_offset = 1;
6046 * If the length the initiator gives us isn't the one we specify in
6047 * the mode page header, or if they didn't specify enough data in
6048 * the CDB to avoid truncating this page, kick out the request.
6050 if ((page_len != (page_index->page_len - page_len_offset -
6052 || (*len_left < page_index->page_len)) {
6055 ctl_set_invalid_field(ctsio,
6058 /*field*/ *len_used + page_len_offset,
6061 free(ctsio->kern_data_ptr, M_CTL);
6062 ctl_done((union ctl_io *)ctsio);
6063 return (CTL_RETVAL_COMPLETE);
6067 * Run through the mode page, checking to make sure that the bits
6068 * the user changed are actually legal for him to change.
6070 for (i = 0; i < page_index->page_len; i++) {
6071 uint8_t *user_byte, *change_mask, *current_byte;
6075 user_byte = (uint8_t *)page_header + i;
6076 change_mask = page_index->page_data +
6077 (page_index->page_len * CTL_PAGE_CHANGEABLE) + i;
6078 current_byte = page_index->page_data +
6079 (page_index->page_len * CTL_PAGE_CURRENT) + i;
6082 * Check to see whether the user set any bits in this byte
6083 * that he is not allowed to set.
6085 if ((*user_byte & ~(*change_mask)) ==
6086 (*current_byte & ~(*change_mask)))
6090 * Go through bit by bit to determine which one is illegal.
6093 for (j = 7; j >= 0; j--) {
6094 if ((((1 << i) & ~(*change_mask)) & *user_byte) !=
6095 (((1 << i) & ~(*change_mask)) & *current_byte)) {
6100 ctl_set_invalid_field(ctsio,
6103 /*field*/ *len_used + i,
6106 free(ctsio->kern_data_ptr, M_CTL);
6107 ctl_done((union ctl_io *)ctsio);
6108 return (CTL_RETVAL_COMPLETE);
6112 * Decrement these before we call the page handler, since we may
6113 * end up getting called back one way or another before the handler
6114 * returns to this context.
6116 *len_left -= page_index->page_len;
6117 *len_used += page_index->page_len;
6119 retval = page_index->select_handler(ctsio, page_index,
6120 (uint8_t *)page_header);
6123 * If the page handler returns CTL_RETVAL_QUEUED, then we need to
6124 * wait until this queued command completes to finish processing
6125 * the mode page. If it returns anything other than
6126 * CTL_RETVAL_COMPLETE (e.g. CTL_RETVAL_ERROR), then it should have
6127 * already set the sense information, freed the data pointer, and
6128 * completed the io for us.
6130 if (retval != CTL_RETVAL_COMPLETE)
6131 goto bailout_no_done;
6134 * If the initiator sent us more than one page, parse the next one.
6139 ctl_set_success(ctsio);
6140 free(ctsio->kern_data_ptr, M_CTL);
6141 ctl_done((union ctl_io *)ctsio);
6145 return (CTL_RETVAL_COMPLETE);
6150 ctl_mode_select(struct ctl_scsiio *ctsio)
6152 int param_len, pf, sp;
6153 int header_size, bd_len;
6154 union ctl_modepage_info *modepage_info;
6156 switch (ctsio->cdb[0]) {
6157 case MODE_SELECT_6: {
6158 struct scsi_mode_select_6 *cdb;
6160 cdb = (struct scsi_mode_select_6 *)ctsio->cdb;
6162 pf = (cdb->byte2 & SMS_PF) ? 1 : 0;
6163 sp = (cdb->byte2 & SMS_SP) ? 1 : 0;
6164 param_len = cdb->length;
6165 header_size = sizeof(struct scsi_mode_header_6);
6168 case MODE_SELECT_10: {
6169 struct scsi_mode_select_10 *cdb;
6171 cdb = (struct scsi_mode_select_10 *)ctsio->cdb;
6173 pf = (cdb->byte2 & SMS_PF) ? 1 : 0;
6174 sp = (cdb->byte2 & SMS_SP) ? 1 : 0;
6175 param_len = scsi_2btoul(cdb->length);
6176 header_size = sizeof(struct scsi_mode_header_10);
6180 ctl_set_invalid_opcode(ctsio);
6181 ctl_done((union ctl_io *)ctsio);
6182 return (CTL_RETVAL_COMPLETE);
6187 * "A parameter list length of zero indicates that the Data-Out Buffer
6188 * shall be empty. This condition shall not be considered as an error."
6190 if (param_len == 0) {
6191 ctl_set_success(ctsio);
6192 ctl_done((union ctl_io *)ctsio);
6193 return (CTL_RETVAL_COMPLETE);
6197 * Since we'll hit this the first time through, prior to
6198 * allocation, we don't need to free a data buffer here.
6200 if (param_len < header_size) {
6201 ctl_set_param_len_error(ctsio);
6202 ctl_done((union ctl_io *)ctsio);
6203 return (CTL_RETVAL_COMPLETE);
6207 * Allocate the data buffer and grab the user's data. In theory,
6208 * we shouldn't have to sanity check the parameter list length here
6209 * because the maximum size is 64K. We should be able to malloc
6210 * that much without too many problems.
6212 if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
6213 ctsio->kern_data_ptr = malloc(param_len, M_CTL, M_WAITOK);
6214 ctsio->kern_data_len = param_len;
6215 ctsio->kern_total_len = param_len;
6216 ctsio->kern_data_resid = 0;
6217 ctsio->kern_rel_offset = 0;
6218 ctsio->kern_sg_entries = 0;
6219 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
6220 ctsio->be_move_done = ctl_config_move_done;
6221 ctl_datamove((union ctl_io *)ctsio);
6223 return (CTL_RETVAL_COMPLETE);
6226 switch (ctsio->cdb[0]) {
6227 case MODE_SELECT_6: {
6228 struct scsi_mode_header_6 *mh6;
6230 mh6 = (struct scsi_mode_header_6 *)ctsio->kern_data_ptr;
6231 bd_len = mh6->blk_desc_len;
6234 case MODE_SELECT_10: {
6235 struct scsi_mode_header_10 *mh10;
6237 mh10 = (struct scsi_mode_header_10 *)ctsio->kern_data_ptr;
6238 bd_len = scsi_2btoul(mh10->blk_desc_len);
6242 panic("%s: Invalid CDB type %#x", __func__, ctsio->cdb[0]);
6245 if (param_len < (header_size + bd_len)) {
6246 free(ctsio->kern_data_ptr, M_CTL);
6247 ctl_set_param_len_error(ctsio);
6248 ctl_done((union ctl_io *)ctsio);
6249 return (CTL_RETVAL_COMPLETE);
6253 * Set the IO_CONT flag, so that if this I/O gets passed to
6254 * ctl_config_write_done(), it'll get passed back to
6255 * ctl_do_mode_select() for further processing, or completion if
6258 ctsio->io_hdr.flags |= CTL_FLAG_IO_CONT;
6259 ctsio->io_cont = ctl_do_mode_select;
6261 modepage_info = (union ctl_modepage_info *)
6262 ctsio->io_hdr.ctl_private[CTL_PRIV_MODEPAGE].bytes;
6263 memset(modepage_info, 0, sizeof(*modepage_info));
6264 modepage_info->header.len_left = param_len - header_size - bd_len;
6265 modepage_info->header.len_used = header_size + bd_len;
6267 return (ctl_do_mode_select((union ctl_io *)ctsio));
6271 ctl_mode_sense(struct ctl_scsiio *ctsio)
6273 struct ctl_lun *lun;
6274 int pc, page_code, dbd, llba, subpage;
6275 int alloc_len, page_len, header_len, total_len;
6276 struct scsi_mode_block_descr *block_desc;
6277 struct ctl_page_index *page_index;
6283 CTL_DEBUG_PRINT(("ctl_mode_sense\n"));
6285 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
6286 switch (ctsio->cdb[0]) {
6287 case MODE_SENSE_6: {
6288 struct scsi_mode_sense_6 *cdb;
6290 cdb = (struct scsi_mode_sense_6 *)ctsio->cdb;
6292 header_len = sizeof(struct scsi_mode_hdr_6);
6293 if (cdb->byte2 & SMS_DBD)
6296 header_len += sizeof(struct scsi_mode_block_descr);
6298 pc = (cdb->page & SMS_PAGE_CTRL_MASK) >> 6;
6299 page_code = cdb->page & SMS_PAGE_CODE;
6300 subpage = cdb->subpage;
6301 alloc_len = cdb->length;
6304 case MODE_SENSE_10: {
6305 struct scsi_mode_sense_10 *cdb;
6307 cdb = (struct scsi_mode_sense_10 *)ctsio->cdb;
6309 header_len = sizeof(struct scsi_mode_hdr_10);
6311 if (cdb->byte2 & SMS_DBD)
6314 header_len += sizeof(struct scsi_mode_block_descr);
6315 if (cdb->byte2 & SMS10_LLBAA)
6317 pc = (cdb->page & SMS_PAGE_CTRL_MASK) >> 6;
6318 page_code = cdb->page & SMS_PAGE_CODE;
6319 subpage = cdb->subpage;
6320 alloc_len = scsi_2btoul(cdb->length);
6324 ctl_set_invalid_opcode(ctsio);
6325 ctl_done((union ctl_io *)ctsio);
6326 return (CTL_RETVAL_COMPLETE);
6327 break; /* NOTREACHED */
6331 * We have to make a first pass through to calculate the size of
6332 * the pages that match the user's query. Then we allocate enough
6333 * memory to hold it, and actually copy the data into the buffer.
6335 switch (page_code) {
6336 case SMS_ALL_PAGES_PAGE: {
6342 * At the moment, values other than 0 and 0xff here are
6343 * reserved according to SPC-3.
6345 if ((subpage != SMS_SUBPAGE_PAGE_0)
6346 && (subpage != SMS_SUBPAGE_ALL)) {
6347 ctl_set_invalid_field(ctsio,
6353 ctl_done((union ctl_io *)ctsio);
6354 return (CTL_RETVAL_COMPLETE);
6357 for (i = 0; i < CTL_NUM_MODE_PAGES; i++) {
6358 page_index = &lun->mode_pages.index[i];
6360 /* Make sure the page is supported for this dev type */
6361 if (lun->be_lun->lun_type == T_DIRECT &&
6362 (page_index->page_flags & CTL_PAGE_FLAG_DIRECT) == 0)
6364 if (lun->be_lun->lun_type == T_PROCESSOR &&
6365 (page_index->page_flags & CTL_PAGE_FLAG_PROC) == 0)
6367 if (lun->be_lun->lun_type == T_CDROM &&
6368 (page_index->page_flags & CTL_PAGE_FLAG_CDROM) == 0)
6372 * We don't use this subpage if the user didn't
6373 * request all subpages.
6375 if ((page_index->subpage != 0)
6376 && (subpage == SMS_SUBPAGE_PAGE_0))
6380 printf("found page %#x len %d\n",
6381 page_index->page_code & SMPH_PC_MASK,
6382 page_index->page_len);
6384 page_len += page_index->page_len;
6393 for (i = 0; i < CTL_NUM_MODE_PAGES; i++) {
6394 page_index = &lun->mode_pages.index[i];
6396 /* Make sure the page is supported for this dev type */
6397 if (lun->be_lun->lun_type == T_DIRECT &&
6398 (page_index->page_flags & CTL_PAGE_FLAG_DIRECT) == 0)
6400 if (lun->be_lun->lun_type == T_PROCESSOR &&
6401 (page_index->page_flags & CTL_PAGE_FLAG_PROC) == 0)
6403 if (lun->be_lun->lun_type == T_CDROM &&
6404 (page_index->page_flags & CTL_PAGE_FLAG_CDROM) == 0)
6407 /* Look for the right page code */
6408 if ((page_index->page_code & SMPH_PC_MASK) != page_code)
6411 /* Look for the right subpage or the subpage wildcard*/
6412 if ((page_index->subpage != subpage)
6413 && (subpage != SMS_SUBPAGE_ALL))
6417 printf("found page %#x len %d\n",
6418 page_index->page_code & SMPH_PC_MASK,
6419 page_index->page_len);
6422 page_len += page_index->page_len;
6425 if (page_len == 0) {
6426 ctl_set_invalid_field(ctsio,
6432 ctl_done((union ctl_io *)ctsio);
6433 return (CTL_RETVAL_COMPLETE);
6439 total_len = header_len + page_len;
6441 printf("header_len = %d, page_len = %d, total_len = %d\n",
6442 header_len, page_len, total_len);
6445 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
6446 ctsio->kern_sg_entries = 0;
6447 ctsio->kern_data_resid = 0;
6448 ctsio->kern_rel_offset = 0;
6449 if (total_len < alloc_len) {
6450 ctsio->residual = alloc_len - total_len;
6451 ctsio->kern_data_len = total_len;
6452 ctsio->kern_total_len = total_len;
6454 ctsio->residual = 0;
6455 ctsio->kern_data_len = alloc_len;
6456 ctsio->kern_total_len = alloc_len;
6459 switch (ctsio->cdb[0]) {
6460 case MODE_SENSE_6: {
6461 struct scsi_mode_hdr_6 *header;
6463 header = (struct scsi_mode_hdr_6 *)ctsio->kern_data_ptr;
6465 header->datalen = MIN(total_len - 1, 254);
6466 if (lun->be_lun->lun_type == T_DIRECT) {
6467 header->dev_specific = 0x10; /* DPOFUA */
6468 if ((lun->be_lun->flags & CTL_LUN_FLAG_READONLY) ||
6469 (lun->MODE_CTRL.eca_and_aen & SCP_SWP) != 0)
6470 header->dev_specific |= 0x80; /* WP */
6473 header->block_descr_len = 0;
6475 header->block_descr_len =
6476 sizeof(struct scsi_mode_block_descr);
6477 block_desc = (struct scsi_mode_block_descr *)&header[1];
6480 case MODE_SENSE_10: {
6481 struct scsi_mode_hdr_10 *header;
6484 header = (struct scsi_mode_hdr_10 *)ctsio->kern_data_ptr;
6486 datalen = MIN(total_len - 2, 65533);
6487 scsi_ulto2b(datalen, header->datalen);
6488 if (lun->be_lun->lun_type == T_DIRECT) {
6489 header->dev_specific = 0x10; /* DPOFUA */
6490 if ((lun->be_lun->flags & CTL_LUN_FLAG_READONLY) ||
6491 (lun->MODE_CTRL.eca_and_aen & SCP_SWP) != 0)
6492 header->dev_specific |= 0x80; /* WP */
6495 scsi_ulto2b(0, header->block_descr_len);
6497 scsi_ulto2b(sizeof(struct scsi_mode_block_descr),
6498 header->block_descr_len);
6499 block_desc = (struct scsi_mode_block_descr *)&header[1];
6503 panic("%s: Invalid CDB type %#x", __func__, ctsio->cdb[0]);
6507 * If we've got a disk, use its blocksize in the block
6508 * descriptor. Otherwise, just set it to 0.
6511 if (lun->be_lun->lun_type == T_DIRECT)
6512 scsi_ulto3b(lun->be_lun->blocksize,
6513 block_desc->block_len);
6515 scsi_ulto3b(0, block_desc->block_len);
6518 switch (page_code) {
6519 case SMS_ALL_PAGES_PAGE: {
6522 data_used = header_len;
6523 for (i = 0; i < CTL_NUM_MODE_PAGES; i++) {
6524 struct ctl_page_index *page_index;
6526 page_index = &lun->mode_pages.index[i];
6527 if (lun->be_lun->lun_type == T_DIRECT &&
6528 (page_index->page_flags & CTL_PAGE_FLAG_DIRECT) == 0)
6530 if (lun->be_lun->lun_type == T_PROCESSOR &&
6531 (page_index->page_flags & CTL_PAGE_FLAG_PROC) == 0)
6533 if (lun->be_lun->lun_type == T_CDROM &&
6534 (page_index->page_flags & CTL_PAGE_FLAG_CDROM) == 0)
6538 * We don't use this subpage if the user didn't
6539 * request all subpages. We already checked (above)
6540 * to make sure the user only specified a subpage
6541 * of 0 or 0xff in the SMS_ALL_PAGES_PAGE case.
6543 if ((page_index->subpage != 0)
6544 && (subpage == SMS_SUBPAGE_PAGE_0))
6548 * Call the handler, if it exists, to update the
6549 * page to the latest values.
6551 if (page_index->sense_handler != NULL)
6552 page_index->sense_handler(ctsio, page_index,pc);
6554 memcpy(ctsio->kern_data_ptr + data_used,
6555 page_index->page_data +
6556 (page_index->page_len * pc),
6557 page_index->page_len);
6558 data_used += page_index->page_len;
6565 data_used = header_len;
6567 for (i = 0; i < CTL_NUM_MODE_PAGES; i++) {
6568 struct ctl_page_index *page_index;
6570 page_index = &lun->mode_pages.index[i];
6572 /* Look for the right page code */
6573 if ((page_index->page_code & SMPH_PC_MASK) != page_code)
6576 /* Look for the right subpage or the subpage wildcard*/
6577 if ((page_index->subpage != subpage)
6578 && (subpage != SMS_SUBPAGE_ALL))
6581 /* Make sure the page is supported for this dev type */
6582 if (lun->be_lun->lun_type == T_DIRECT &&
6583 (page_index->page_flags & CTL_PAGE_FLAG_DIRECT) == 0)
6585 if (lun->be_lun->lun_type == T_PROCESSOR &&
6586 (page_index->page_flags & CTL_PAGE_FLAG_PROC) == 0)
6588 if (lun->be_lun->lun_type == T_CDROM &&
6589 (page_index->page_flags & CTL_PAGE_FLAG_CDROM) == 0)
6593 * Call the handler, if it exists, to update the
6594 * page to the latest values.
6596 if (page_index->sense_handler != NULL)
6597 page_index->sense_handler(ctsio, page_index,pc);
6599 memcpy(ctsio->kern_data_ptr + data_used,
6600 page_index->page_data +
6601 (page_index->page_len * pc),
6602 page_index->page_len);
6603 data_used += page_index->page_len;
6609 ctl_set_success(ctsio);
6610 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
6611 ctsio->be_move_done = ctl_config_move_done;
6612 ctl_datamove((union ctl_io *)ctsio);
6613 return (CTL_RETVAL_COMPLETE);
6617 ctl_lbp_log_sense_handler(struct ctl_scsiio *ctsio,
6618 struct ctl_page_index *page_index,
6621 struct ctl_lun *lun;
6622 struct scsi_log_param_header *phdr;
6626 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
6627 data = page_index->page_data;
6629 if (lun->backend->lun_attr != NULL &&
6630 (val = lun->backend->lun_attr(lun->be_lun->be_lun, "blocksavail"))
6632 phdr = (struct scsi_log_param_header *)data;
6633 scsi_ulto2b(0x0001, phdr->param_code);
6634 phdr->param_control = SLP_LBIN | SLP_LP;
6635 phdr->param_len = 8;
6636 data = (uint8_t *)(phdr + 1);
6637 scsi_ulto4b(val >> CTL_LBP_EXPONENT, data);
6638 data[4] = 0x02; /* per-pool */
6639 data += phdr->param_len;
6642 if (lun->backend->lun_attr != NULL &&
6643 (val = lun->backend->lun_attr(lun->be_lun->be_lun, "blocksused"))
6645 phdr = (struct scsi_log_param_header *)data;
6646 scsi_ulto2b(0x0002, phdr->param_code);
6647 phdr->param_control = SLP_LBIN | SLP_LP;
6648 phdr->param_len = 8;
6649 data = (uint8_t *)(phdr + 1);
6650 scsi_ulto4b(val >> CTL_LBP_EXPONENT, data);
6651 data[4] = 0x01; /* per-LUN */
6652 data += phdr->param_len;
6655 if (lun->backend->lun_attr != NULL &&
6656 (val = lun->backend->lun_attr(lun->be_lun->be_lun, "poolblocksavail"))
6658 phdr = (struct scsi_log_param_header *)data;
6659 scsi_ulto2b(0x00f1, phdr->param_code);
6660 phdr->param_control = SLP_LBIN | SLP_LP;
6661 phdr->param_len = 8;
6662 data = (uint8_t *)(phdr + 1);
6663 scsi_ulto4b(val >> CTL_LBP_EXPONENT, data);
6664 data[4] = 0x02; /* per-pool */
6665 data += phdr->param_len;
6668 if (lun->backend->lun_attr != NULL &&
6669 (val = lun->backend->lun_attr(lun->be_lun->be_lun, "poolblocksused"))
6671 phdr = (struct scsi_log_param_header *)data;
6672 scsi_ulto2b(0x00f2, phdr->param_code);
6673 phdr->param_control = SLP_LBIN | SLP_LP;
6674 phdr->param_len = 8;
6675 data = (uint8_t *)(phdr + 1);
6676 scsi_ulto4b(val >> CTL_LBP_EXPONENT, data);
6677 data[4] = 0x02; /* per-pool */
6678 data += phdr->param_len;
6681 page_index->page_len = data - page_index->page_data;
6686 ctl_sap_log_sense_handler(struct ctl_scsiio *ctsio,
6687 struct ctl_page_index *page_index,
6690 struct ctl_lun *lun;
6691 struct stat_page *data;
6692 uint64_t rn, wn, rb, wb;
6693 struct bintime rt, wt;
6696 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
6697 data = (struct stat_page *)page_index->page_data;
6699 scsi_ulto2b(SLP_SAP, data->sap.hdr.param_code);
6700 data->sap.hdr.param_control = SLP_LBIN;
6701 data->sap.hdr.param_len = sizeof(struct scsi_log_stat_and_perf) -
6702 sizeof(struct scsi_log_param_header);
6703 rn = wn = rb = wb = 0;
6706 for (i = 0; i < CTL_MAX_PORTS; i++) {
6707 rn += lun->stats.ports[i].operations[CTL_STATS_READ];
6708 wn += lun->stats.ports[i].operations[CTL_STATS_WRITE];
6709 rb += lun->stats.ports[i].bytes[CTL_STATS_READ];
6710 wb += lun->stats.ports[i].bytes[CTL_STATS_WRITE];
6711 bintime_add(&rt, &lun->stats.ports[i].time[CTL_STATS_READ]);
6712 bintime_add(&wt, &lun->stats.ports[i].time[CTL_STATS_WRITE]);
6714 scsi_u64to8b(rn, data->sap.read_num);
6715 scsi_u64to8b(wn, data->sap.write_num);
6716 if (lun->stats.blocksize > 0) {
6717 scsi_u64to8b(wb / lun->stats.blocksize,
6718 data->sap.recvieved_lba);
6719 scsi_u64to8b(rb / lun->stats.blocksize,
6720 data->sap.transmitted_lba);
6722 scsi_u64to8b((uint64_t)rt.sec * 1000 + rt.frac / (UINT64_MAX / 1000),
6723 data->sap.read_int);
6724 scsi_u64to8b((uint64_t)wt.sec * 1000 + wt.frac / (UINT64_MAX / 1000),
6725 data->sap.write_int);
6726 scsi_u64to8b(0, data->sap.weighted_num);
6727 scsi_u64to8b(0, data->sap.weighted_int);
6728 scsi_ulto2b(SLP_IT, data->it.hdr.param_code);
6729 data->it.hdr.param_control = SLP_LBIN;
6730 data->it.hdr.param_len = sizeof(struct scsi_log_idle_time) -
6731 sizeof(struct scsi_log_param_header);
6733 scsi_u64to8b(lun->idle_time / SBT_1MS, data->it.idle_int);
6735 scsi_ulto2b(SLP_TI, data->ti.hdr.param_code);
6736 data->it.hdr.param_control = SLP_LBIN;
6737 data->ti.hdr.param_len = sizeof(struct scsi_log_time_interval) -
6738 sizeof(struct scsi_log_param_header);
6739 scsi_ulto4b(3, data->ti.exponent);
6740 scsi_ulto4b(1, data->ti.integer);
6745 ctl_ie_log_sense_handler(struct ctl_scsiio *ctsio,
6746 struct ctl_page_index *page_index,
6749 struct ctl_lun *lun;
6750 struct scsi_log_informational_exceptions *data;
6752 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
6753 data = (struct scsi_log_informational_exceptions *)page_index->page_data;
6755 scsi_ulto2b(SLP_IE_GEN, data->hdr.param_code);
6756 data->hdr.param_control = SLP_LBIN;
6757 data->hdr.param_len = sizeof(struct scsi_log_informational_exceptions) -
6758 sizeof(struct scsi_log_param_header);
6759 data->ie_asc = lun->ie_asc;
6760 data->ie_ascq = lun->ie_ascq;
6761 data->temperature = 0xff;
6766 ctl_log_sense(struct ctl_scsiio *ctsio)
6768 struct ctl_lun *lun;
6769 int i, pc, page_code, subpage;
6770 int alloc_len, total_len;
6771 struct ctl_page_index *page_index;
6772 struct scsi_log_sense *cdb;
6773 struct scsi_log_header *header;
6775 CTL_DEBUG_PRINT(("ctl_log_sense\n"));
6777 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
6778 cdb = (struct scsi_log_sense *)ctsio->cdb;
6779 pc = (cdb->page & SLS_PAGE_CTRL_MASK) >> 6;
6780 page_code = cdb->page & SLS_PAGE_CODE;
6781 subpage = cdb->subpage;
6782 alloc_len = scsi_2btoul(cdb->length);
6785 for (i = 0; i < CTL_NUM_LOG_PAGES; i++) {
6786 page_index = &lun->log_pages.index[i];
6788 /* Look for the right page code */
6789 if ((page_index->page_code & SL_PAGE_CODE) != page_code)
6792 /* Look for the right subpage or the subpage wildcard*/
6793 if (page_index->subpage != subpage)
6798 if (i >= CTL_NUM_LOG_PAGES) {
6799 ctl_set_invalid_field(ctsio,
6805 ctl_done((union ctl_io *)ctsio);
6806 return (CTL_RETVAL_COMPLETE);
6809 total_len = sizeof(struct scsi_log_header) + page_index->page_len;
6811 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
6812 ctsio->kern_sg_entries = 0;
6813 ctsio->kern_data_resid = 0;
6814 ctsio->kern_rel_offset = 0;
6815 if (total_len < alloc_len) {
6816 ctsio->residual = alloc_len - total_len;
6817 ctsio->kern_data_len = total_len;
6818 ctsio->kern_total_len = total_len;
6820 ctsio->residual = 0;
6821 ctsio->kern_data_len = alloc_len;
6822 ctsio->kern_total_len = alloc_len;
6825 header = (struct scsi_log_header *)ctsio->kern_data_ptr;
6826 header->page = page_index->page_code;
6827 if (page_index->page_code == SLS_LOGICAL_BLOCK_PROVISIONING)
6828 header->page |= SL_DS;
6829 if (page_index->subpage) {
6830 header->page |= SL_SPF;
6831 header->subpage = page_index->subpage;
6833 scsi_ulto2b(page_index->page_len, header->datalen);
6836 * Call the handler, if it exists, to update the
6837 * page to the latest values.
6839 if (page_index->sense_handler != NULL)
6840 page_index->sense_handler(ctsio, page_index, pc);
6842 memcpy(header + 1, page_index->page_data, page_index->page_len);
6844 ctl_set_success(ctsio);
6845 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
6846 ctsio->be_move_done = ctl_config_move_done;
6847 ctl_datamove((union ctl_io *)ctsio);
6848 return (CTL_RETVAL_COMPLETE);
6852 ctl_read_capacity(struct ctl_scsiio *ctsio)
6854 struct scsi_read_capacity *cdb;
6855 struct scsi_read_capacity_data *data;
6856 struct ctl_lun *lun;
6859 CTL_DEBUG_PRINT(("ctl_read_capacity\n"));
6861 cdb = (struct scsi_read_capacity *)ctsio->cdb;
6863 lba = scsi_4btoul(cdb->addr);
6864 if (((cdb->pmi & SRC_PMI) == 0)
6866 ctl_set_invalid_field(/*ctsio*/ ctsio,
6872 ctl_done((union ctl_io *)ctsio);
6873 return (CTL_RETVAL_COMPLETE);
6876 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
6878 ctsio->kern_data_ptr = malloc(sizeof(*data), M_CTL, M_WAITOK | M_ZERO);
6879 data = (struct scsi_read_capacity_data *)ctsio->kern_data_ptr;
6880 ctsio->residual = 0;
6881 ctsio->kern_data_len = sizeof(*data);
6882 ctsio->kern_total_len = sizeof(*data);
6883 ctsio->kern_data_resid = 0;
6884 ctsio->kern_rel_offset = 0;
6885 ctsio->kern_sg_entries = 0;
6888 * If the maximum LBA is greater than 0xfffffffe, the user must
6889 * issue a SERVICE ACTION IN (16) command, with the read capacity
6890 * serivce action set.
6892 if (lun->be_lun->maxlba > 0xfffffffe)
6893 scsi_ulto4b(0xffffffff, data->addr);
6895 scsi_ulto4b(lun->be_lun->maxlba, data->addr);
6898 * XXX KDM this may not be 512 bytes...
6900 scsi_ulto4b(lun->be_lun->blocksize, data->length);
6902 ctl_set_success(ctsio);
6903 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
6904 ctsio->be_move_done = ctl_config_move_done;
6905 ctl_datamove((union ctl_io *)ctsio);
6906 return (CTL_RETVAL_COMPLETE);
6910 ctl_read_capacity_16(struct ctl_scsiio *ctsio)
6912 struct scsi_read_capacity_16 *cdb;
6913 struct scsi_read_capacity_data_long *data;
6914 struct ctl_lun *lun;
6918 CTL_DEBUG_PRINT(("ctl_read_capacity_16\n"));
6920 cdb = (struct scsi_read_capacity_16 *)ctsio->cdb;
6922 alloc_len = scsi_4btoul(cdb->alloc_len);
6923 lba = scsi_8btou64(cdb->addr);
6925 if ((cdb->reladr & SRC16_PMI)
6927 ctl_set_invalid_field(/*ctsio*/ ctsio,
6933 ctl_done((union ctl_io *)ctsio);
6934 return (CTL_RETVAL_COMPLETE);
6937 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
6939 ctsio->kern_data_ptr = malloc(sizeof(*data), M_CTL, M_WAITOK | M_ZERO);
6940 data = (struct scsi_read_capacity_data_long *)ctsio->kern_data_ptr;
6942 if (sizeof(*data) < alloc_len) {
6943 ctsio->residual = alloc_len - sizeof(*data);
6944 ctsio->kern_data_len = sizeof(*data);
6945 ctsio->kern_total_len = sizeof(*data);
6947 ctsio->residual = 0;
6948 ctsio->kern_data_len = alloc_len;
6949 ctsio->kern_total_len = alloc_len;
6951 ctsio->kern_data_resid = 0;
6952 ctsio->kern_rel_offset = 0;
6953 ctsio->kern_sg_entries = 0;
6955 scsi_u64to8b(lun->be_lun->maxlba, data->addr);
6956 /* XXX KDM this may not be 512 bytes... */
6957 scsi_ulto4b(lun->be_lun->blocksize, data->length);
6958 data->prot_lbppbe = lun->be_lun->pblockexp & SRC16_LBPPBE;
6959 scsi_ulto2b(lun->be_lun->pblockoff & SRC16_LALBA_A, data->lalba_lbp);
6960 if (lun->be_lun->flags & CTL_LUN_FLAG_UNMAP)
6961 data->lalba_lbp[0] |= SRC16_LBPME | SRC16_LBPRZ;
6963 ctl_set_success(ctsio);
6964 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
6965 ctsio->be_move_done = ctl_config_move_done;
6966 ctl_datamove((union ctl_io *)ctsio);
6967 return (CTL_RETVAL_COMPLETE);
6971 ctl_get_lba_status(struct ctl_scsiio *ctsio)
6973 struct scsi_get_lba_status *cdb;
6974 struct scsi_get_lba_status_data *data;
6975 struct ctl_lun *lun;
6976 struct ctl_lba_len_flags *lbalen;
6978 uint32_t alloc_len, total_len;
6981 CTL_DEBUG_PRINT(("ctl_get_lba_status\n"));
6983 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
6984 cdb = (struct scsi_get_lba_status *)ctsio->cdb;
6985 lba = scsi_8btou64(cdb->addr);
6986 alloc_len = scsi_4btoul(cdb->alloc_len);
6988 if (lba > lun->be_lun->maxlba) {
6989 ctl_set_lba_out_of_range(ctsio);
6990 ctl_done((union ctl_io *)ctsio);
6991 return (CTL_RETVAL_COMPLETE);
6994 total_len = sizeof(*data) + sizeof(data->descr[0]);
6995 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
6996 data = (struct scsi_get_lba_status_data *)ctsio->kern_data_ptr;
6998 if (total_len < alloc_len) {
6999 ctsio->residual = alloc_len - total_len;
7000 ctsio->kern_data_len = total_len;
7001 ctsio->kern_total_len = total_len;
7003 ctsio->residual = 0;
7004 ctsio->kern_data_len = alloc_len;
7005 ctsio->kern_total_len = alloc_len;
7007 ctsio->kern_data_resid = 0;
7008 ctsio->kern_rel_offset = 0;
7009 ctsio->kern_sg_entries = 0;
7011 /* Fill dummy data in case backend can't tell anything. */
7012 scsi_ulto4b(4 + sizeof(data->descr[0]), data->length);
7013 scsi_u64to8b(lba, data->descr[0].addr);
7014 scsi_ulto4b(MIN(UINT32_MAX, lun->be_lun->maxlba + 1 - lba),
7015 data->descr[0].length);
7016 data->descr[0].status = 0; /* Mapped or unknown. */
7018 ctl_set_success(ctsio);
7019 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
7020 ctsio->be_move_done = ctl_config_move_done;
7022 lbalen = (struct ctl_lba_len_flags *)&ctsio->io_hdr.ctl_private[CTL_PRIV_LBA_LEN];
7024 lbalen->len = total_len;
7026 retval = lun->backend->config_read((union ctl_io *)ctsio);
7027 return (CTL_RETVAL_COMPLETE);
7031 ctl_read_defect(struct ctl_scsiio *ctsio)
7033 struct scsi_read_defect_data_10 *ccb10;
7034 struct scsi_read_defect_data_12 *ccb12;
7035 struct scsi_read_defect_data_hdr_10 *data10;
7036 struct scsi_read_defect_data_hdr_12 *data12;
7037 uint32_t alloc_len, data_len;
7040 CTL_DEBUG_PRINT(("ctl_read_defect\n"));
7042 if (ctsio->cdb[0] == READ_DEFECT_DATA_10) {
7043 ccb10 = (struct scsi_read_defect_data_10 *)&ctsio->cdb;
7044 format = ccb10->format;
7045 alloc_len = scsi_2btoul(ccb10->alloc_length);
7046 data_len = sizeof(*data10);
7048 ccb12 = (struct scsi_read_defect_data_12 *)&ctsio->cdb;
7049 format = ccb12->format;
7050 alloc_len = scsi_4btoul(ccb12->alloc_length);
7051 data_len = sizeof(*data12);
7053 if (alloc_len == 0) {
7054 ctl_set_success(ctsio);
7055 ctl_done((union ctl_io *)ctsio);
7056 return (CTL_RETVAL_COMPLETE);
7059 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
7060 if (data_len < alloc_len) {
7061 ctsio->residual = alloc_len - data_len;
7062 ctsio->kern_data_len = data_len;
7063 ctsio->kern_total_len = data_len;
7065 ctsio->residual = 0;
7066 ctsio->kern_data_len = alloc_len;
7067 ctsio->kern_total_len = alloc_len;
7069 ctsio->kern_data_resid = 0;
7070 ctsio->kern_rel_offset = 0;
7071 ctsio->kern_sg_entries = 0;
7073 if (ctsio->cdb[0] == READ_DEFECT_DATA_10) {
7074 data10 = (struct scsi_read_defect_data_hdr_10 *)
7075 ctsio->kern_data_ptr;
7076 data10->format = format;
7077 scsi_ulto2b(0, data10->length);
7079 data12 = (struct scsi_read_defect_data_hdr_12 *)
7080 ctsio->kern_data_ptr;
7081 data12->format = format;
7082 scsi_ulto2b(0, data12->generation);
7083 scsi_ulto4b(0, data12->length);
7086 ctl_set_success(ctsio);
7087 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
7088 ctsio->be_move_done = ctl_config_move_done;
7089 ctl_datamove((union ctl_io *)ctsio);
7090 return (CTL_RETVAL_COMPLETE);
7094 ctl_report_tagret_port_groups(struct ctl_scsiio *ctsio)
7096 struct scsi_maintenance_in *cdb;
7098 int alloc_len, ext, total_len = 0, g, pc, pg, ts, os;
7099 int num_ha_groups, num_target_ports, shared_group;
7100 struct ctl_lun *lun;
7101 struct ctl_softc *softc;
7102 struct ctl_port *port;
7103 struct scsi_target_group_data *rtg_ptr;
7104 struct scsi_target_group_data_extended *rtg_ext_ptr;
7105 struct scsi_target_port_group_descriptor *tpg_desc;
7107 CTL_DEBUG_PRINT(("ctl_report_tagret_port_groups\n"));
7109 cdb = (struct scsi_maintenance_in *)ctsio->cdb;
7110 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
7111 softc = lun->ctl_softc;
7113 retval = CTL_RETVAL_COMPLETE;
7115 switch (cdb->byte2 & STG_PDF_MASK) {
7116 case STG_PDF_LENGTH:
7119 case STG_PDF_EXTENDED:
7123 ctl_set_invalid_field(/*ctsio*/ ctsio,
7129 ctl_done((union ctl_io *)ctsio);
7133 num_target_ports = 0;
7134 shared_group = (softc->is_single != 0);
7135 mtx_lock(&softc->ctl_lock);
7136 STAILQ_FOREACH(port, &softc->port_list, links) {
7137 if ((port->status & CTL_PORT_STATUS_ONLINE) == 0)
7139 if (ctl_lun_map_to_port(port, lun->lun) >= CTL_MAX_LUNS)
7142 if (port->status & CTL_PORT_STATUS_HA_SHARED)
7145 mtx_unlock(&softc->ctl_lock);
7146 num_ha_groups = (softc->is_single) ? 0 : NUM_HA_SHELVES;
7149 total_len = sizeof(struct scsi_target_group_data_extended);
7151 total_len = sizeof(struct scsi_target_group_data);
7152 total_len += sizeof(struct scsi_target_port_group_descriptor) *
7153 (shared_group + num_ha_groups) +
7154 sizeof(struct scsi_target_port_descriptor) * num_target_ports;
7156 alloc_len = scsi_4btoul(cdb->length);
7158 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
7160 ctsio->kern_sg_entries = 0;
7162 if (total_len < alloc_len) {
7163 ctsio->residual = alloc_len - total_len;
7164 ctsio->kern_data_len = total_len;
7165 ctsio->kern_total_len = total_len;
7167 ctsio->residual = 0;
7168 ctsio->kern_data_len = alloc_len;
7169 ctsio->kern_total_len = alloc_len;
7171 ctsio->kern_data_resid = 0;
7172 ctsio->kern_rel_offset = 0;
7175 rtg_ext_ptr = (struct scsi_target_group_data_extended *)
7176 ctsio->kern_data_ptr;
7177 scsi_ulto4b(total_len - 4, rtg_ext_ptr->length);
7178 rtg_ext_ptr->format_type = 0x10;
7179 rtg_ext_ptr->implicit_transition_time = 0;
7180 tpg_desc = &rtg_ext_ptr->groups[0];
7182 rtg_ptr = (struct scsi_target_group_data *)
7183 ctsio->kern_data_ptr;
7184 scsi_ulto4b(total_len - 4, rtg_ptr->length);
7185 tpg_desc = &rtg_ptr->groups[0];
7188 mtx_lock(&softc->ctl_lock);
7189 pg = softc->port_min / softc->port_cnt;
7190 if (lun->flags & (CTL_LUN_PRIMARY_SC | CTL_LUN_PEER_SC_PRIMARY)) {
7191 /* Some shelf is known to be primary. */
7192 if (softc->ha_link == CTL_HA_LINK_OFFLINE)
7193 os = TPG_ASYMMETRIC_ACCESS_UNAVAILABLE;
7194 else if (softc->ha_link == CTL_HA_LINK_UNKNOWN)
7195 os = TPG_ASYMMETRIC_ACCESS_TRANSITIONING;
7196 else if (softc->ha_mode == CTL_HA_MODE_ACT_STBY)
7197 os = TPG_ASYMMETRIC_ACCESS_STANDBY;
7199 os = TPG_ASYMMETRIC_ACCESS_NONOPTIMIZED;
7200 if (lun->flags & CTL_LUN_PRIMARY_SC) {
7201 ts = TPG_ASYMMETRIC_ACCESS_OPTIMIZED;
7204 os = TPG_ASYMMETRIC_ACCESS_OPTIMIZED;
7207 /* No known primary shelf. */
7208 if (softc->ha_link == CTL_HA_LINK_OFFLINE) {
7209 ts = TPG_ASYMMETRIC_ACCESS_UNAVAILABLE;
7210 os = TPG_ASYMMETRIC_ACCESS_OPTIMIZED;
7211 } else if (softc->ha_link == CTL_HA_LINK_UNKNOWN) {
7212 ts = TPG_ASYMMETRIC_ACCESS_TRANSITIONING;
7213 os = TPG_ASYMMETRIC_ACCESS_OPTIMIZED;
7215 ts = os = TPG_ASYMMETRIC_ACCESS_TRANSITIONING;
7219 tpg_desc->pref_state = ts;
7220 tpg_desc->support = TPG_AO_SUP | TPG_AN_SUP | TPG_S_SUP |
7221 TPG_U_SUP | TPG_T_SUP;
7222 scsi_ulto2b(1, tpg_desc->target_port_group);
7223 tpg_desc->status = TPG_IMPLICIT;
7225 STAILQ_FOREACH(port, &softc->port_list, links) {
7226 if ((port->status & CTL_PORT_STATUS_ONLINE) == 0)
7228 if (!softc->is_single &&
7229 (port->status & CTL_PORT_STATUS_HA_SHARED) == 0)
7231 if (ctl_lun_map_to_port(port, lun->lun) >= CTL_MAX_LUNS)
7233 scsi_ulto2b(port->targ_port, tpg_desc->descriptors[pc].
7234 relative_target_port_identifier);
7237 tpg_desc->target_port_count = pc;
7238 tpg_desc = (struct scsi_target_port_group_descriptor *)
7239 &tpg_desc->descriptors[pc];
7241 for (g = 0; g < num_ha_groups; g++) {
7242 tpg_desc->pref_state = (g == pg) ? ts : os;
7243 tpg_desc->support = TPG_AO_SUP | TPG_AN_SUP | TPG_S_SUP |
7244 TPG_U_SUP | TPG_T_SUP;
7245 scsi_ulto2b(2 + g, tpg_desc->target_port_group);
7246 tpg_desc->status = TPG_IMPLICIT;
7248 STAILQ_FOREACH(port, &softc->port_list, links) {
7249 if (port->targ_port < g * softc->port_cnt ||
7250 port->targ_port >= (g + 1) * softc->port_cnt)
7252 if ((port->status & CTL_PORT_STATUS_ONLINE) == 0)
7254 if (port->status & CTL_PORT_STATUS_HA_SHARED)
7256 if (ctl_lun_map_to_port(port, lun->lun) >= CTL_MAX_LUNS)
7258 scsi_ulto2b(port->targ_port, tpg_desc->descriptors[pc].
7259 relative_target_port_identifier);
7262 tpg_desc->target_port_count = pc;
7263 tpg_desc = (struct scsi_target_port_group_descriptor *)
7264 &tpg_desc->descriptors[pc];
7266 mtx_unlock(&softc->ctl_lock);
7268 ctl_set_success(ctsio);
7269 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
7270 ctsio->be_move_done = ctl_config_move_done;
7271 ctl_datamove((union ctl_io *)ctsio);
7276 ctl_report_supported_opcodes(struct ctl_scsiio *ctsio)
7278 struct ctl_lun *lun;
7279 struct scsi_report_supported_opcodes *cdb;
7280 const struct ctl_cmd_entry *entry, *sentry;
7281 struct scsi_report_supported_opcodes_all *all;
7282 struct scsi_report_supported_opcodes_descr *descr;
7283 struct scsi_report_supported_opcodes_one *one;
7285 int alloc_len, total_len;
7286 int opcode, service_action, i, j, num;
7288 CTL_DEBUG_PRINT(("ctl_report_supported_opcodes\n"));
7290 cdb = (struct scsi_report_supported_opcodes *)ctsio->cdb;
7291 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
7293 retval = CTL_RETVAL_COMPLETE;
7295 opcode = cdb->requested_opcode;
7296 service_action = scsi_2btoul(cdb->requested_service_action);
7297 switch (cdb->options & RSO_OPTIONS_MASK) {
7298 case RSO_OPTIONS_ALL:
7300 for (i = 0; i < 256; i++) {
7301 entry = &ctl_cmd_table[i];
7302 if (entry->flags & CTL_CMD_FLAG_SA5) {
7303 for (j = 0; j < 32; j++) {
7304 sentry = &((const struct ctl_cmd_entry *)
7306 if (ctl_cmd_applicable(
7307 lun->be_lun->lun_type, sentry))
7311 if (ctl_cmd_applicable(lun->be_lun->lun_type,
7316 total_len = sizeof(struct scsi_report_supported_opcodes_all) +
7317 num * sizeof(struct scsi_report_supported_opcodes_descr);
7319 case RSO_OPTIONS_OC:
7320 if (ctl_cmd_table[opcode].flags & CTL_CMD_FLAG_SA5) {
7321 ctl_set_invalid_field(/*ctsio*/ ctsio,
7327 ctl_done((union ctl_io *)ctsio);
7328 return (CTL_RETVAL_COMPLETE);
7330 total_len = sizeof(struct scsi_report_supported_opcodes_one) + 32;
7332 case RSO_OPTIONS_OC_SA:
7333 if ((ctl_cmd_table[opcode].flags & CTL_CMD_FLAG_SA5) == 0 ||
7334 service_action >= 32) {
7335 ctl_set_invalid_field(/*ctsio*/ ctsio,
7341 ctl_done((union ctl_io *)ctsio);
7342 return (CTL_RETVAL_COMPLETE);
7344 total_len = sizeof(struct scsi_report_supported_opcodes_one) + 32;
7347 ctl_set_invalid_field(/*ctsio*/ ctsio,
7353 ctl_done((union ctl_io *)ctsio);
7354 return (CTL_RETVAL_COMPLETE);
7357 alloc_len = scsi_4btoul(cdb->length);
7359 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
7361 ctsio->kern_sg_entries = 0;
7363 if (total_len < alloc_len) {
7364 ctsio->residual = alloc_len - total_len;
7365 ctsio->kern_data_len = total_len;
7366 ctsio->kern_total_len = total_len;
7368 ctsio->residual = 0;
7369 ctsio->kern_data_len = alloc_len;
7370 ctsio->kern_total_len = alloc_len;
7372 ctsio->kern_data_resid = 0;
7373 ctsio->kern_rel_offset = 0;
7375 switch (cdb->options & RSO_OPTIONS_MASK) {
7376 case RSO_OPTIONS_ALL:
7377 all = (struct scsi_report_supported_opcodes_all *)
7378 ctsio->kern_data_ptr;
7380 for (i = 0; i < 256; i++) {
7381 entry = &ctl_cmd_table[i];
7382 if (entry->flags & CTL_CMD_FLAG_SA5) {
7383 for (j = 0; j < 32; j++) {
7384 sentry = &((const struct ctl_cmd_entry *)
7386 if (!ctl_cmd_applicable(
7387 lun->be_lun->lun_type, sentry))
7389 descr = &all->descr[num++];
7391 scsi_ulto2b(j, descr->service_action);
7392 descr->flags = RSO_SERVACTV;
7393 scsi_ulto2b(sentry->length,
7397 if (!ctl_cmd_applicable(lun->be_lun->lun_type,
7400 descr = &all->descr[num++];
7402 scsi_ulto2b(0, descr->service_action);
7404 scsi_ulto2b(entry->length, descr->cdb_length);
7408 num * sizeof(struct scsi_report_supported_opcodes_descr),
7411 case RSO_OPTIONS_OC:
7412 one = (struct scsi_report_supported_opcodes_one *)
7413 ctsio->kern_data_ptr;
7414 entry = &ctl_cmd_table[opcode];
7416 case RSO_OPTIONS_OC_SA:
7417 one = (struct scsi_report_supported_opcodes_one *)
7418 ctsio->kern_data_ptr;
7419 entry = &ctl_cmd_table[opcode];
7420 entry = &((const struct ctl_cmd_entry *)
7421 entry->execute)[service_action];
7423 if (ctl_cmd_applicable(lun->be_lun->lun_type, entry)) {
7425 scsi_ulto2b(entry->length, one->cdb_length);
7426 one->cdb_usage[0] = opcode;
7427 memcpy(&one->cdb_usage[1], entry->usage,
7434 ctl_set_success(ctsio);
7435 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
7436 ctsio->be_move_done = ctl_config_move_done;
7437 ctl_datamove((union ctl_io *)ctsio);
7442 ctl_report_supported_tmf(struct ctl_scsiio *ctsio)
7444 struct scsi_report_supported_tmf *cdb;
7445 struct scsi_report_supported_tmf_data *data;
7447 int alloc_len, total_len;
7449 CTL_DEBUG_PRINT(("ctl_report_supported_tmf\n"));
7451 cdb = (struct scsi_report_supported_tmf *)ctsio->cdb;
7453 retval = CTL_RETVAL_COMPLETE;
7455 total_len = sizeof(struct scsi_report_supported_tmf_data);
7456 alloc_len = scsi_4btoul(cdb->length);
7458 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
7460 ctsio->kern_sg_entries = 0;
7462 if (total_len < alloc_len) {
7463 ctsio->residual = alloc_len - total_len;
7464 ctsio->kern_data_len = total_len;
7465 ctsio->kern_total_len = total_len;
7467 ctsio->residual = 0;
7468 ctsio->kern_data_len = alloc_len;
7469 ctsio->kern_total_len = alloc_len;
7471 ctsio->kern_data_resid = 0;
7472 ctsio->kern_rel_offset = 0;
7474 data = (struct scsi_report_supported_tmf_data *)ctsio->kern_data_ptr;
7475 data->byte1 |= RST_ATS | RST_ATSS | RST_CTSS | RST_LURS | RST_QTS |
7477 data->byte2 |= RST_QAES | RST_QTSS | RST_ITNRS;
7479 ctl_set_success(ctsio);
7480 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
7481 ctsio->be_move_done = ctl_config_move_done;
7482 ctl_datamove((union ctl_io *)ctsio);
7487 ctl_report_timestamp(struct ctl_scsiio *ctsio)
7489 struct scsi_report_timestamp *cdb;
7490 struct scsi_report_timestamp_data *data;
7494 int alloc_len, total_len;
7496 CTL_DEBUG_PRINT(("ctl_report_timestamp\n"));
7498 cdb = (struct scsi_report_timestamp *)ctsio->cdb;
7500 retval = CTL_RETVAL_COMPLETE;
7502 total_len = sizeof(struct scsi_report_timestamp_data);
7503 alloc_len = scsi_4btoul(cdb->length);
7505 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
7507 ctsio->kern_sg_entries = 0;
7509 if (total_len < alloc_len) {
7510 ctsio->residual = alloc_len - total_len;
7511 ctsio->kern_data_len = total_len;
7512 ctsio->kern_total_len = total_len;
7514 ctsio->residual = 0;
7515 ctsio->kern_data_len = alloc_len;
7516 ctsio->kern_total_len = alloc_len;
7518 ctsio->kern_data_resid = 0;
7519 ctsio->kern_rel_offset = 0;
7521 data = (struct scsi_report_timestamp_data *)ctsio->kern_data_ptr;
7522 scsi_ulto2b(sizeof(*data) - 2, data->length);
7523 data->origin = RTS_ORIG_OUTSIDE;
7525 timestamp = (int64_t)tv.tv_sec * 1000 + tv.tv_usec / 1000;
7526 scsi_ulto4b(timestamp >> 16, data->timestamp);
7527 scsi_ulto2b(timestamp & 0xffff, &data->timestamp[4]);
7529 ctl_set_success(ctsio);
7530 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
7531 ctsio->be_move_done = ctl_config_move_done;
7532 ctl_datamove((union ctl_io *)ctsio);
7537 ctl_persistent_reserve_in(struct ctl_scsiio *ctsio)
7539 struct scsi_per_res_in *cdb;
7540 int alloc_len, total_len = 0;
7541 /* struct scsi_per_res_in_rsrv in_data; */
7542 struct ctl_lun *lun;
7543 struct ctl_softc *softc;
7546 CTL_DEBUG_PRINT(("ctl_persistent_reserve_in\n"));
7548 cdb = (struct scsi_per_res_in *)ctsio->cdb;
7550 alloc_len = scsi_2btoul(cdb->length);
7552 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
7553 softc = lun->ctl_softc;
7556 mtx_lock(&lun->lun_lock);
7557 switch (cdb->action) {
7558 case SPRI_RK: /* read keys */
7559 total_len = sizeof(struct scsi_per_res_in_keys) +
7561 sizeof(struct scsi_per_res_key);
7563 case SPRI_RR: /* read reservation */
7564 if (lun->flags & CTL_LUN_PR_RESERVED)
7565 total_len = sizeof(struct scsi_per_res_in_rsrv);
7567 total_len = sizeof(struct scsi_per_res_in_header);
7569 case SPRI_RC: /* report capabilities */
7570 total_len = sizeof(struct scsi_per_res_cap);
7572 case SPRI_RS: /* read full status */
7573 total_len = sizeof(struct scsi_per_res_in_header) +
7574 (sizeof(struct scsi_per_res_in_full_desc) + 256) *
7578 panic("%s: Invalid PR type %#x", __func__, cdb->action);
7580 mtx_unlock(&lun->lun_lock);
7582 ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
7584 if (total_len < alloc_len) {
7585 ctsio->residual = alloc_len - total_len;
7586 ctsio->kern_data_len = total_len;
7587 ctsio->kern_total_len = total_len;
7589 ctsio->residual = 0;
7590 ctsio->kern_data_len = alloc_len;
7591 ctsio->kern_total_len = alloc_len;
7594 ctsio->kern_data_resid = 0;
7595 ctsio->kern_rel_offset = 0;
7596 ctsio->kern_sg_entries = 0;
7598 mtx_lock(&lun->lun_lock);
7599 switch (cdb->action) {
7600 case SPRI_RK: { // read keys
7601 struct scsi_per_res_in_keys *res_keys;
7604 res_keys = (struct scsi_per_res_in_keys*)ctsio->kern_data_ptr;
7607 * We had to drop the lock to allocate our buffer, which
7608 * leaves time for someone to come in with another
7609 * persistent reservation. (That is unlikely, though,
7610 * since this should be the only persistent reservation
7611 * command active right now.)
7613 if (total_len != (sizeof(struct scsi_per_res_in_keys) +
7614 (lun->pr_key_count *
7615 sizeof(struct scsi_per_res_key)))){
7616 mtx_unlock(&lun->lun_lock);
7617 free(ctsio->kern_data_ptr, M_CTL);
7618 printf("%s: reservation length changed, retrying\n",
7623 scsi_ulto4b(lun->pr_generation, res_keys->header.generation);
7625 scsi_ulto4b(sizeof(struct scsi_per_res_key) *
7626 lun->pr_key_count, res_keys->header.length);
7628 for (i = 0, key_count = 0; i < CTL_MAX_INITIATORS; i++) {
7629 if ((key = ctl_get_prkey(lun, i)) == 0)
7633 * We used lun->pr_key_count to calculate the
7634 * size to allocate. If it turns out the number of
7635 * initiators with the registered flag set is
7636 * larger than that (i.e. they haven't been kept in
7637 * sync), we've got a problem.
7639 if (key_count >= lun->pr_key_count) {
7643 scsi_u64to8b(key, res_keys->keys[key_count].key);
7648 case SPRI_RR: { // read reservation
7649 struct scsi_per_res_in_rsrv *res;
7650 int tmp_len, header_only;
7652 res = (struct scsi_per_res_in_rsrv *)ctsio->kern_data_ptr;
7654 scsi_ulto4b(lun->pr_generation, res->header.generation);
7656 if (lun->flags & CTL_LUN_PR_RESERVED)
7658 tmp_len = sizeof(struct scsi_per_res_in_rsrv);
7659 scsi_ulto4b(sizeof(struct scsi_per_res_in_rsrv_data),
7660 res->header.length);
7663 tmp_len = sizeof(struct scsi_per_res_in_header);
7664 scsi_ulto4b(0, res->header.length);
7669 * We had to drop the lock to allocate our buffer, which
7670 * leaves time for someone to come in with another
7671 * persistent reservation. (That is unlikely, though,
7672 * since this should be the only persistent reservation
7673 * command active right now.)
7675 if (tmp_len != total_len) {
7676 mtx_unlock(&lun->lun_lock);
7677 free(ctsio->kern_data_ptr, M_CTL);
7678 printf("%s: reservation status changed, retrying\n",
7684 * No reservation held, so we're done.
7686 if (header_only != 0)
7690 * If the registration is an All Registrants type, the key
7691 * is 0, since it doesn't really matter.
7693 if (lun->pr_res_idx != CTL_PR_ALL_REGISTRANTS) {
7694 scsi_u64to8b(ctl_get_prkey(lun, lun->pr_res_idx),
7695 res->data.reservation);
7697 res->data.scopetype = lun->pr_res_type;
7700 case SPRI_RC: //report capabilities
7702 struct scsi_per_res_cap *res_cap;
7705 res_cap = (struct scsi_per_res_cap *)ctsio->kern_data_ptr;
7706 scsi_ulto2b(sizeof(*res_cap), res_cap->length);
7707 res_cap->flags1 = SPRI_CRH;
7708 res_cap->flags2 = SPRI_TMV | SPRI_ALLOW_5;
7709 type_mask = SPRI_TM_WR_EX_AR |
7715 scsi_ulto2b(type_mask, res_cap->type_mask);
7718 case SPRI_RS: { // read full status
7719 struct scsi_per_res_in_full *res_status;
7720 struct scsi_per_res_in_full_desc *res_desc;
7721 struct ctl_port *port;
7724 res_status = (struct scsi_per_res_in_full*)ctsio->kern_data_ptr;
7727 * We had to drop the lock to allocate our buffer, which
7728 * leaves time for someone to come in with another
7729 * persistent reservation. (That is unlikely, though,
7730 * since this should be the only persistent reservation
7731 * command active right now.)
7733 if (total_len < (sizeof(struct scsi_per_res_in_header) +
7734 (sizeof(struct scsi_per_res_in_full_desc) + 256) *
7735 lun->pr_key_count)){
7736 mtx_unlock(&lun->lun_lock);
7737 free(ctsio->kern_data_ptr, M_CTL);
7738 printf("%s: reservation length changed, retrying\n",
7743 scsi_ulto4b(lun->pr_generation, res_status->header.generation);
7745 res_desc = &res_status->desc[0];
7746 for (i = 0; i < CTL_MAX_INITIATORS; i++) {
7747 if ((key = ctl_get_prkey(lun, i)) == 0)
7750 scsi_u64to8b(key, res_desc->res_key.key);
7751 if ((lun->flags & CTL_LUN_PR_RESERVED) &&
7752 (lun->pr_res_idx == i ||
7753 lun->pr_res_idx == CTL_PR_ALL_REGISTRANTS)) {
7754 res_desc->flags = SPRI_FULL_R_HOLDER;
7755 res_desc->scopetype = lun->pr_res_type;
7757 scsi_ulto2b(i / CTL_MAX_INIT_PER_PORT,
7758 res_desc->rel_trgt_port_id);
7760 port = softc->ctl_ports[i / CTL_MAX_INIT_PER_PORT];
7762 len = ctl_create_iid(port,
7763 i % CTL_MAX_INIT_PER_PORT,
7764 res_desc->transport_id);
7765 scsi_ulto4b(len, res_desc->additional_length);
7766 res_desc = (struct scsi_per_res_in_full_desc *)
7767 &res_desc->transport_id[len];
7769 scsi_ulto4b((uint8_t *)res_desc - (uint8_t *)&res_status->desc[0],
7770 res_status->header.length);
7774 panic("%s: Invalid PR type %#x", __func__, cdb->action);
7776 mtx_unlock(&lun->lun_lock);
7778 ctl_set_success(ctsio);
7779 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
7780 ctsio->be_move_done = ctl_config_move_done;
7781 ctl_datamove((union ctl_io *)ctsio);
7782 return (CTL_RETVAL_COMPLETE);
7786 * Returns 0 if ctl_persistent_reserve_out() should continue, non-zero if
7790 ctl_pro_preempt(struct ctl_softc *softc, struct ctl_lun *lun, uint64_t res_key,
7791 uint64_t sa_res_key, uint8_t type, uint32_t residx,
7792 struct ctl_scsiio *ctsio, struct scsi_per_res_out *cdb,
7793 struct scsi_per_res_out_parms* param)
7795 union ctl_ha_msg persis_io;
7798 mtx_lock(&lun->lun_lock);
7799 if (sa_res_key == 0) {
7800 if (lun->pr_res_idx == CTL_PR_ALL_REGISTRANTS) {
7801 /* validate scope and type */
7802 if ((cdb->scope_type & SPR_SCOPE_MASK) !=
7804 mtx_unlock(&lun->lun_lock);
7805 ctl_set_invalid_field(/*ctsio*/ ctsio,
7811 ctl_done((union ctl_io *)ctsio);
7815 if (type>8 || type==2 || type==4 || type==0) {
7816 mtx_unlock(&lun->lun_lock);
7817 ctl_set_invalid_field(/*ctsio*/ ctsio,
7823 ctl_done((union ctl_io *)ctsio);
7828 * Unregister everybody else and build UA for
7831 for(i = 0; i < CTL_MAX_INITIATORS; i++) {
7832 if (i == residx || ctl_get_prkey(lun, i) == 0)
7835 ctl_clr_prkey(lun, i);
7836 ctl_est_ua(lun, i, CTL_UA_REG_PREEMPT);
7838 lun->pr_key_count = 1;
7839 lun->pr_res_type = type;
7840 if (lun->pr_res_type != SPR_TYPE_WR_EX_AR &&
7841 lun->pr_res_type != SPR_TYPE_EX_AC_AR)
7842 lun->pr_res_idx = residx;
7843 lun->pr_generation++;
7844 mtx_unlock(&lun->lun_lock);
7846 /* send msg to other side */
7847 persis_io.hdr.nexus = ctsio->io_hdr.nexus;
7848 persis_io.hdr.msg_type = CTL_MSG_PERS_ACTION;
7849 persis_io.pr.pr_info.action = CTL_PR_PREEMPT;
7850 persis_io.pr.pr_info.residx = lun->pr_res_idx;
7851 persis_io.pr.pr_info.res_type = type;
7852 memcpy(persis_io.pr.pr_info.sa_res_key,
7853 param->serv_act_res_key,
7854 sizeof(param->serv_act_res_key));
7855 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &persis_io,
7856 sizeof(persis_io.pr), M_WAITOK);
7858 /* not all registrants */
7859 mtx_unlock(&lun->lun_lock);
7860 free(ctsio->kern_data_ptr, M_CTL);
7861 ctl_set_invalid_field(ctsio,
7867 ctl_done((union ctl_io *)ctsio);
7870 } else if (lun->pr_res_idx == CTL_PR_ALL_REGISTRANTS
7871 || !(lun->flags & CTL_LUN_PR_RESERVED)) {
7874 if (res_key == sa_res_key) {
7877 * The spec implies this is not good but doesn't
7878 * say what to do. There are two choices either
7879 * generate a res conflict or check condition
7880 * with illegal field in parameter data. Since
7881 * that is what is done when the sa_res_key is
7882 * zero I'll take that approach since this has
7883 * to do with the sa_res_key.
7885 mtx_unlock(&lun->lun_lock);
7886 free(ctsio->kern_data_ptr, M_CTL);
7887 ctl_set_invalid_field(ctsio,
7893 ctl_done((union ctl_io *)ctsio);
7897 for (i = 0; i < CTL_MAX_INITIATORS; i++) {
7898 if (ctl_get_prkey(lun, i) != sa_res_key)
7902 ctl_clr_prkey(lun, i);
7903 lun->pr_key_count--;
7904 ctl_est_ua(lun, i, CTL_UA_REG_PREEMPT);
7907 mtx_unlock(&lun->lun_lock);
7908 free(ctsio->kern_data_ptr, M_CTL);
7909 ctl_set_reservation_conflict(ctsio);
7910 ctl_done((union ctl_io *)ctsio);
7911 return (CTL_RETVAL_COMPLETE);
7913 lun->pr_generation++;
7914 mtx_unlock(&lun->lun_lock);
7916 /* send msg to other side */
7917 persis_io.hdr.nexus = ctsio->io_hdr.nexus;
7918 persis_io.hdr.msg_type = CTL_MSG_PERS_ACTION;
7919 persis_io.pr.pr_info.action = CTL_PR_PREEMPT;
7920 persis_io.pr.pr_info.residx = lun->pr_res_idx;
7921 persis_io.pr.pr_info.res_type = type;
7922 memcpy(persis_io.pr.pr_info.sa_res_key,
7923 param->serv_act_res_key,
7924 sizeof(param->serv_act_res_key));
7925 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &persis_io,
7926 sizeof(persis_io.pr), M_WAITOK);
7928 /* Reserved but not all registrants */
7929 /* sa_res_key is res holder */
7930 if (sa_res_key == ctl_get_prkey(lun, lun->pr_res_idx)) {
7931 /* validate scope and type */
7932 if ((cdb->scope_type & SPR_SCOPE_MASK) !=
7934 mtx_unlock(&lun->lun_lock);
7935 ctl_set_invalid_field(/*ctsio*/ ctsio,
7941 ctl_done((union ctl_io *)ctsio);
7945 if (type>8 || type==2 || type==4 || type==0) {
7946 mtx_unlock(&lun->lun_lock);
7947 ctl_set_invalid_field(/*ctsio*/ ctsio,
7953 ctl_done((union ctl_io *)ctsio);
7959 * if sa_res_key != res_key remove all
7960 * registrants w/sa_res_key and generate UA
7961 * for these registrants(Registrations
7962 * Preempted) if it wasn't an exclusive
7963 * reservation generate UA(Reservations
7964 * Preempted) for all other registered nexuses
7965 * if the type has changed. Establish the new
7966 * reservation and holder. If res_key and
7967 * sa_res_key are the same do the above
7968 * except don't unregister the res holder.
7971 for(i = 0; i < CTL_MAX_INITIATORS; i++) {
7972 if (i == residx || ctl_get_prkey(lun, i) == 0)
7975 if (sa_res_key == ctl_get_prkey(lun, i)) {
7976 ctl_clr_prkey(lun, i);
7977 lun->pr_key_count--;
7978 ctl_est_ua(lun, i, CTL_UA_REG_PREEMPT);
7979 } else if (type != lun->pr_res_type &&
7980 (lun->pr_res_type == SPR_TYPE_WR_EX_RO ||
7981 lun->pr_res_type == SPR_TYPE_EX_AC_RO)) {
7982 ctl_est_ua(lun, i, CTL_UA_RES_RELEASE);
7985 lun->pr_res_type = type;
7986 if (lun->pr_res_type != SPR_TYPE_WR_EX_AR &&
7987 lun->pr_res_type != SPR_TYPE_EX_AC_AR)
7988 lun->pr_res_idx = residx;
7990 lun->pr_res_idx = CTL_PR_ALL_REGISTRANTS;
7991 lun->pr_generation++;
7992 mtx_unlock(&lun->lun_lock);
7994 persis_io.hdr.nexus = ctsio->io_hdr.nexus;
7995 persis_io.hdr.msg_type = CTL_MSG_PERS_ACTION;
7996 persis_io.pr.pr_info.action = CTL_PR_PREEMPT;
7997 persis_io.pr.pr_info.residx = lun->pr_res_idx;
7998 persis_io.pr.pr_info.res_type = type;
7999 memcpy(persis_io.pr.pr_info.sa_res_key,
8000 param->serv_act_res_key,
8001 sizeof(param->serv_act_res_key));
8002 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &persis_io,
8003 sizeof(persis_io.pr), M_WAITOK);
8006 * sa_res_key is not the res holder just
8007 * remove registrants
8011 for (i = 0; i < CTL_MAX_INITIATORS; i++) {
8012 if (sa_res_key != ctl_get_prkey(lun, i))
8016 ctl_clr_prkey(lun, i);
8017 lun->pr_key_count--;
8018 ctl_est_ua(lun, i, CTL_UA_REG_PREEMPT);
8022 mtx_unlock(&lun->lun_lock);
8023 free(ctsio->kern_data_ptr, M_CTL);
8024 ctl_set_reservation_conflict(ctsio);
8025 ctl_done((union ctl_io *)ctsio);
8028 lun->pr_generation++;
8029 mtx_unlock(&lun->lun_lock);
8031 persis_io.hdr.nexus = ctsio->io_hdr.nexus;
8032 persis_io.hdr.msg_type = CTL_MSG_PERS_ACTION;
8033 persis_io.pr.pr_info.action = CTL_PR_PREEMPT;
8034 persis_io.pr.pr_info.residx = lun->pr_res_idx;
8035 persis_io.pr.pr_info.res_type = type;
8036 memcpy(persis_io.pr.pr_info.sa_res_key,
8037 param->serv_act_res_key,
8038 sizeof(param->serv_act_res_key));
8039 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &persis_io,
8040 sizeof(persis_io.pr), M_WAITOK);
8047 ctl_pro_preempt_other(struct ctl_lun *lun, union ctl_ha_msg *msg)
8049 uint64_t sa_res_key;
8052 sa_res_key = scsi_8btou64(msg->pr.pr_info.sa_res_key);
8054 if (lun->pr_res_idx == CTL_PR_ALL_REGISTRANTS
8055 || lun->pr_res_idx == CTL_PR_NO_RESERVATION
8056 || sa_res_key != ctl_get_prkey(lun, lun->pr_res_idx)) {
8057 if (sa_res_key == 0) {
8059 * Unregister everybody else and build UA for
8062 for(i = 0; i < CTL_MAX_INITIATORS; i++) {
8063 if (i == msg->pr.pr_info.residx ||
8064 ctl_get_prkey(lun, i) == 0)
8067 ctl_clr_prkey(lun, i);
8068 ctl_est_ua(lun, i, CTL_UA_REG_PREEMPT);
8071 lun->pr_key_count = 1;
8072 lun->pr_res_type = msg->pr.pr_info.res_type;
8073 if (lun->pr_res_type != SPR_TYPE_WR_EX_AR &&
8074 lun->pr_res_type != SPR_TYPE_EX_AC_AR)
8075 lun->pr_res_idx = msg->pr.pr_info.residx;
8077 for (i = 0; i < CTL_MAX_INITIATORS; i++) {
8078 if (sa_res_key == ctl_get_prkey(lun, i))
8081 ctl_clr_prkey(lun, i);
8082 lun->pr_key_count--;
8083 ctl_est_ua(lun, i, CTL_UA_REG_PREEMPT);
8087 for (i = 0; i < CTL_MAX_INITIATORS; i++) {
8088 if (i == msg->pr.pr_info.residx ||
8089 ctl_get_prkey(lun, i) == 0)
8092 if (sa_res_key == ctl_get_prkey(lun, i)) {
8093 ctl_clr_prkey(lun, i);
8094 lun->pr_key_count--;
8095 ctl_est_ua(lun, i, CTL_UA_REG_PREEMPT);
8096 } else if (msg->pr.pr_info.res_type != lun->pr_res_type
8097 && (lun->pr_res_type == SPR_TYPE_WR_EX_RO ||
8098 lun->pr_res_type == SPR_TYPE_EX_AC_RO)) {
8099 ctl_est_ua(lun, i, CTL_UA_RES_RELEASE);
8102 lun->pr_res_type = msg->pr.pr_info.res_type;
8103 if (lun->pr_res_type != SPR_TYPE_WR_EX_AR &&
8104 lun->pr_res_type != SPR_TYPE_EX_AC_AR)
8105 lun->pr_res_idx = msg->pr.pr_info.residx;
8107 lun->pr_res_idx = CTL_PR_ALL_REGISTRANTS;
8109 lun->pr_generation++;
8115 ctl_persistent_reserve_out(struct ctl_scsiio *ctsio)
8118 u_int32_t param_len;
8119 struct scsi_per_res_out *cdb;
8120 struct ctl_lun *lun;
8121 struct scsi_per_res_out_parms* param;
8122 struct ctl_softc *softc;
8124 uint64_t res_key, sa_res_key, key;
8126 union ctl_ha_msg persis_io;
8129 CTL_DEBUG_PRINT(("ctl_persistent_reserve_out\n"));
8131 retval = CTL_RETVAL_COMPLETE;
8133 cdb = (struct scsi_per_res_out *)ctsio->cdb;
8134 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
8135 softc = lun->ctl_softc;
8138 * We only support whole-LUN scope. The scope & type are ignored for
8139 * register, register and ignore existing key and clear.
8140 * We sometimes ignore scope and type on preempts too!!
8141 * Verify reservation type here as well.
8143 type = cdb->scope_type & SPR_TYPE_MASK;
8144 if ((cdb->action == SPRO_RESERVE)
8145 || (cdb->action == SPRO_RELEASE)) {
8146 if ((cdb->scope_type & SPR_SCOPE_MASK) != SPR_LU_SCOPE) {
8147 ctl_set_invalid_field(/*ctsio*/ ctsio,
8153 ctl_done((union ctl_io *)ctsio);
8154 return (CTL_RETVAL_COMPLETE);
8157 if (type>8 || type==2 || type==4 || type==0) {
8158 ctl_set_invalid_field(/*ctsio*/ ctsio,
8164 ctl_done((union ctl_io *)ctsio);
8165 return (CTL_RETVAL_COMPLETE);
8169 param_len = scsi_4btoul(cdb->length);
8171 if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
8172 ctsio->kern_data_ptr = malloc(param_len, M_CTL, M_WAITOK);
8173 ctsio->kern_data_len = param_len;
8174 ctsio->kern_total_len = param_len;
8175 ctsio->kern_data_resid = 0;
8176 ctsio->kern_rel_offset = 0;
8177 ctsio->kern_sg_entries = 0;
8178 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
8179 ctsio->be_move_done = ctl_config_move_done;
8180 ctl_datamove((union ctl_io *)ctsio);
8182 return (CTL_RETVAL_COMPLETE);
8185 param = (struct scsi_per_res_out_parms *)ctsio->kern_data_ptr;
8187 residx = ctl_get_initindex(&ctsio->io_hdr.nexus);
8188 res_key = scsi_8btou64(param->res_key.key);
8189 sa_res_key = scsi_8btou64(param->serv_act_res_key);
8192 * Validate the reservation key here except for SPRO_REG_IGNO
8193 * This must be done for all other service actions
8195 if ((cdb->action & SPRO_ACTION_MASK) != SPRO_REG_IGNO) {
8196 mtx_lock(&lun->lun_lock);
8197 if ((key = ctl_get_prkey(lun, residx)) != 0) {
8198 if (res_key != key) {
8200 * The current key passed in doesn't match
8201 * the one the initiator previously
8204 mtx_unlock(&lun->lun_lock);
8205 free(ctsio->kern_data_ptr, M_CTL);
8206 ctl_set_reservation_conflict(ctsio);
8207 ctl_done((union ctl_io *)ctsio);
8208 return (CTL_RETVAL_COMPLETE);
8210 } else if ((cdb->action & SPRO_ACTION_MASK) != SPRO_REGISTER) {
8212 * We are not registered
8214 mtx_unlock(&lun->lun_lock);
8215 free(ctsio->kern_data_ptr, M_CTL);
8216 ctl_set_reservation_conflict(ctsio);
8217 ctl_done((union ctl_io *)ctsio);
8218 return (CTL_RETVAL_COMPLETE);
8219 } else if (res_key != 0) {
8221 * We are not registered and trying to register but
8222 * the register key isn't zero.
8224 mtx_unlock(&lun->lun_lock);
8225 free(ctsio->kern_data_ptr, M_CTL);
8226 ctl_set_reservation_conflict(ctsio);
8227 ctl_done((union ctl_io *)ctsio);
8228 return (CTL_RETVAL_COMPLETE);
8230 mtx_unlock(&lun->lun_lock);
8233 switch (cdb->action & SPRO_ACTION_MASK) {
8235 case SPRO_REG_IGNO: {
8238 printf("Registration received\n");
8242 * We don't support any of these options, as we report in
8243 * the read capabilities request (see
8244 * ctl_persistent_reserve_in(), above).
8246 if ((param->flags & SPR_SPEC_I_PT)
8247 || (param->flags & SPR_ALL_TG_PT)
8248 || (param->flags & SPR_APTPL)) {
8251 if (param->flags & SPR_APTPL)
8253 else if (param->flags & SPR_ALL_TG_PT)
8255 else /* SPR_SPEC_I_PT */
8258 free(ctsio->kern_data_ptr, M_CTL);
8259 ctl_set_invalid_field(ctsio,
8265 ctl_done((union ctl_io *)ctsio);
8266 return (CTL_RETVAL_COMPLETE);
8269 mtx_lock(&lun->lun_lock);
8272 * The initiator wants to clear the
8275 if (sa_res_key == 0) {
8277 && (cdb->action & SPRO_ACTION_MASK) == SPRO_REGISTER)
8278 || ((cdb->action & SPRO_ACTION_MASK) == SPRO_REG_IGNO
8279 && ctl_get_prkey(lun, residx) == 0)) {
8280 mtx_unlock(&lun->lun_lock);
8284 ctl_clr_prkey(lun, residx);
8285 lun->pr_key_count--;
8287 if (residx == lun->pr_res_idx) {
8288 lun->flags &= ~CTL_LUN_PR_RESERVED;
8289 lun->pr_res_idx = CTL_PR_NO_RESERVATION;
8291 if ((lun->pr_res_type == SPR_TYPE_WR_EX_RO ||
8292 lun->pr_res_type == SPR_TYPE_EX_AC_RO) &&
8293 lun->pr_key_count) {
8295 * If the reservation is a registrants
8296 * only type we need to generate a UA
8297 * for other registered inits. The
8298 * sense code should be RESERVATIONS
8302 for (i = softc->init_min; i < softc->init_max; i++){
8303 if (ctl_get_prkey(lun, i) == 0)
8306 CTL_UA_RES_RELEASE);
8309 lun->pr_res_type = 0;
8310 } else if (lun->pr_res_idx == CTL_PR_ALL_REGISTRANTS) {
8311 if (lun->pr_key_count==0) {
8312 lun->flags &= ~CTL_LUN_PR_RESERVED;
8313 lun->pr_res_type = 0;
8314 lun->pr_res_idx = CTL_PR_NO_RESERVATION;
8317 lun->pr_generation++;
8318 mtx_unlock(&lun->lun_lock);
8320 persis_io.hdr.nexus = ctsio->io_hdr.nexus;
8321 persis_io.hdr.msg_type = CTL_MSG_PERS_ACTION;
8322 persis_io.pr.pr_info.action = CTL_PR_UNREG_KEY;
8323 persis_io.pr.pr_info.residx = residx;
8324 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &persis_io,
8325 sizeof(persis_io.pr), M_WAITOK);
8326 } else /* sa_res_key != 0 */ {
8329 * If we aren't registered currently then increment
8330 * the key count and set the registered flag.
8332 ctl_alloc_prkey(lun, residx);
8333 if (ctl_get_prkey(lun, residx) == 0)
8334 lun->pr_key_count++;
8335 ctl_set_prkey(lun, residx, sa_res_key);
8336 lun->pr_generation++;
8337 mtx_unlock(&lun->lun_lock);
8339 persis_io.hdr.nexus = ctsio->io_hdr.nexus;
8340 persis_io.hdr.msg_type = CTL_MSG_PERS_ACTION;
8341 persis_io.pr.pr_info.action = CTL_PR_REG_KEY;
8342 persis_io.pr.pr_info.residx = residx;
8343 memcpy(persis_io.pr.pr_info.sa_res_key,
8344 param->serv_act_res_key,
8345 sizeof(param->serv_act_res_key));
8346 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &persis_io,
8347 sizeof(persis_io.pr), M_WAITOK);
8354 printf("Reserve executed type %d\n", type);
8356 mtx_lock(&lun->lun_lock);
8357 if (lun->flags & CTL_LUN_PR_RESERVED) {
8359 * if this isn't the reservation holder and it's
8360 * not a "all registrants" type or if the type is
8361 * different then we have a conflict
8363 if ((lun->pr_res_idx != residx
8364 && lun->pr_res_idx != CTL_PR_ALL_REGISTRANTS)
8365 || lun->pr_res_type != type) {
8366 mtx_unlock(&lun->lun_lock);
8367 free(ctsio->kern_data_ptr, M_CTL);
8368 ctl_set_reservation_conflict(ctsio);
8369 ctl_done((union ctl_io *)ctsio);
8370 return (CTL_RETVAL_COMPLETE);
8372 mtx_unlock(&lun->lun_lock);
8373 } else /* create a reservation */ {
8375 * If it's not an "all registrants" type record
8376 * reservation holder
8378 if (type != SPR_TYPE_WR_EX_AR
8379 && type != SPR_TYPE_EX_AC_AR)
8380 lun->pr_res_idx = residx; /* Res holder */
8382 lun->pr_res_idx = CTL_PR_ALL_REGISTRANTS;
8384 lun->flags |= CTL_LUN_PR_RESERVED;
8385 lun->pr_res_type = type;
8387 mtx_unlock(&lun->lun_lock);
8389 /* send msg to other side */
8390 persis_io.hdr.nexus = ctsio->io_hdr.nexus;
8391 persis_io.hdr.msg_type = CTL_MSG_PERS_ACTION;
8392 persis_io.pr.pr_info.action = CTL_PR_RESERVE;
8393 persis_io.pr.pr_info.residx = lun->pr_res_idx;
8394 persis_io.pr.pr_info.res_type = type;
8395 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &persis_io,
8396 sizeof(persis_io.pr), M_WAITOK);
8401 mtx_lock(&lun->lun_lock);
8402 if ((lun->flags & CTL_LUN_PR_RESERVED) == 0) {
8403 /* No reservation exists return good status */
8404 mtx_unlock(&lun->lun_lock);
8408 * Is this nexus a reservation holder?
8410 if (lun->pr_res_idx != residx
8411 && lun->pr_res_idx != CTL_PR_ALL_REGISTRANTS) {
8413 * not a res holder return good status but
8416 mtx_unlock(&lun->lun_lock);
8420 if (lun->pr_res_type != type) {
8421 mtx_unlock(&lun->lun_lock);
8422 free(ctsio->kern_data_ptr, M_CTL);
8423 ctl_set_illegal_pr_release(ctsio);
8424 ctl_done((union ctl_io *)ctsio);
8425 return (CTL_RETVAL_COMPLETE);
8428 /* okay to release */
8429 lun->flags &= ~CTL_LUN_PR_RESERVED;
8430 lun->pr_res_idx = CTL_PR_NO_RESERVATION;
8431 lun->pr_res_type = 0;
8434 * if this isn't an exclusive access
8435 * res generate UA for all other
8438 if (type != SPR_TYPE_EX_AC
8439 && type != SPR_TYPE_WR_EX) {
8440 for (i = softc->init_min; i < softc->init_max; i++) {
8441 if (i == residx || ctl_get_prkey(lun, i) == 0)
8443 ctl_est_ua(lun, i, CTL_UA_RES_RELEASE);
8446 mtx_unlock(&lun->lun_lock);
8448 /* Send msg to other side */
8449 persis_io.hdr.nexus = ctsio->io_hdr.nexus;
8450 persis_io.hdr.msg_type = CTL_MSG_PERS_ACTION;
8451 persis_io.pr.pr_info.action = CTL_PR_RELEASE;
8452 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &persis_io,
8453 sizeof(persis_io.pr), M_WAITOK);
8457 /* send msg to other side */
8459 mtx_lock(&lun->lun_lock);
8460 lun->flags &= ~CTL_LUN_PR_RESERVED;
8461 lun->pr_res_type = 0;
8462 lun->pr_key_count = 0;
8463 lun->pr_res_idx = CTL_PR_NO_RESERVATION;
8465 ctl_clr_prkey(lun, residx);
8466 for (i = 0; i < CTL_MAX_INITIATORS; i++)
8467 if (ctl_get_prkey(lun, i) != 0) {
8468 ctl_clr_prkey(lun, i);
8469 ctl_est_ua(lun, i, CTL_UA_REG_PREEMPT);
8471 lun->pr_generation++;
8472 mtx_unlock(&lun->lun_lock);
8474 persis_io.hdr.nexus = ctsio->io_hdr.nexus;
8475 persis_io.hdr.msg_type = CTL_MSG_PERS_ACTION;
8476 persis_io.pr.pr_info.action = CTL_PR_CLEAR;
8477 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &persis_io,
8478 sizeof(persis_io.pr), M_WAITOK);
8482 case SPRO_PRE_ABO: {
8485 nretval = ctl_pro_preempt(softc, lun, res_key, sa_res_key, type,
8486 residx, ctsio, cdb, param);
8488 return (CTL_RETVAL_COMPLETE);
8492 panic("%s: Invalid PR type %#x", __func__, cdb->action);
8496 free(ctsio->kern_data_ptr, M_CTL);
8497 ctl_set_success(ctsio);
8498 ctl_done((union ctl_io *)ctsio);
8504 * This routine is for handling a message from the other SC pertaining to
8505 * persistent reserve out. All the error checking will have been done
8506 * so only perorming the action need be done here to keep the two
8510 ctl_hndl_per_res_out_on_other_sc(union ctl_ha_msg *msg)
8512 struct ctl_softc *softc = control_softc;
8513 struct ctl_lun *lun;
8515 uint32_t residx, targ_lun;
8517 targ_lun = msg->hdr.nexus.targ_mapped_lun;
8518 mtx_lock(&softc->ctl_lock);
8519 if ((targ_lun >= CTL_MAX_LUNS) ||
8520 ((lun = softc->ctl_luns[targ_lun]) == NULL)) {
8521 mtx_unlock(&softc->ctl_lock);
8524 mtx_lock(&lun->lun_lock);
8525 mtx_unlock(&softc->ctl_lock);
8526 if (lun->flags & CTL_LUN_DISABLED) {
8527 mtx_unlock(&lun->lun_lock);
8530 residx = ctl_get_initindex(&msg->hdr.nexus);
8531 switch(msg->pr.pr_info.action) {
8532 case CTL_PR_REG_KEY:
8533 ctl_alloc_prkey(lun, msg->pr.pr_info.residx);
8534 if (ctl_get_prkey(lun, msg->pr.pr_info.residx) == 0)
8535 lun->pr_key_count++;
8536 ctl_set_prkey(lun, msg->pr.pr_info.residx,
8537 scsi_8btou64(msg->pr.pr_info.sa_res_key));
8538 lun->pr_generation++;
8541 case CTL_PR_UNREG_KEY:
8542 ctl_clr_prkey(lun, msg->pr.pr_info.residx);
8543 lun->pr_key_count--;
8545 /* XXX Need to see if the reservation has been released */
8546 /* if so do we need to generate UA? */
8547 if (msg->pr.pr_info.residx == lun->pr_res_idx) {
8548 lun->flags &= ~CTL_LUN_PR_RESERVED;
8549 lun->pr_res_idx = CTL_PR_NO_RESERVATION;
8551 if ((lun->pr_res_type == SPR_TYPE_WR_EX_RO ||
8552 lun->pr_res_type == SPR_TYPE_EX_AC_RO) &&
8553 lun->pr_key_count) {
8555 * If the reservation is a registrants
8556 * only type we need to generate a UA
8557 * for other registered inits. The
8558 * sense code should be RESERVATIONS
8562 for (i = softc->init_min; i < softc->init_max; i++) {
8563 if (ctl_get_prkey(lun, i) == 0)
8566 ctl_est_ua(lun, i, CTL_UA_RES_RELEASE);
8569 lun->pr_res_type = 0;
8570 } else if (lun->pr_res_idx == CTL_PR_ALL_REGISTRANTS) {
8571 if (lun->pr_key_count==0) {
8572 lun->flags &= ~CTL_LUN_PR_RESERVED;
8573 lun->pr_res_type = 0;
8574 lun->pr_res_idx = CTL_PR_NO_RESERVATION;
8577 lun->pr_generation++;
8580 case CTL_PR_RESERVE:
8581 lun->flags |= CTL_LUN_PR_RESERVED;
8582 lun->pr_res_type = msg->pr.pr_info.res_type;
8583 lun->pr_res_idx = msg->pr.pr_info.residx;
8587 case CTL_PR_RELEASE:
8589 * if this isn't an exclusive access res generate UA for all
8590 * other registrants.
8592 if (lun->pr_res_type != SPR_TYPE_EX_AC &&
8593 lun->pr_res_type != SPR_TYPE_WR_EX) {
8594 for (i = softc->init_min; i < softc->init_max; i++)
8595 if (i == residx || ctl_get_prkey(lun, i) == 0)
8597 ctl_est_ua(lun, i, CTL_UA_RES_RELEASE);
8600 lun->flags &= ~CTL_LUN_PR_RESERVED;
8601 lun->pr_res_idx = CTL_PR_NO_RESERVATION;
8602 lun->pr_res_type = 0;
8605 case CTL_PR_PREEMPT:
8606 ctl_pro_preempt_other(lun, msg);
8609 lun->flags &= ~CTL_LUN_PR_RESERVED;
8610 lun->pr_res_type = 0;
8611 lun->pr_key_count = 0;
8612 lun->pr_res_idx = CTL_PR_NO_RESERVATION;
8614 for (i=0; i < CTL_MAX_INITIATORS; i++) {
8615 if (ctl_get_prkey(lun, i) == 0)
8617 ctl_clr_prkey(lun, i);
8618 ctl_est_ua(lun, i, CTL_UA_REG_PREEMPT);
8620 lun->pr_generation++;
8624 mtx_unlock(&lun->lun_lock);
8628 ctl_read_write(struct ctl_scsiio *ctsio)
8630 struct ctl_lun *lun;
8631 struct ctl_lba_len_flags *lbalen;
8633 uint32_t num_blocks;
8637 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
8639 CTL_DEBUG_PRINT(("ctl_read_write: command: %#x\n", ctsio->cdb[0]));
8642 isread = ctsio->cdb[0] == READ_6 || ctsio->cdb[0] == READ_10
8643 || ctsio->cdb[0] == READ_12 || ctsio->cdb[0] == READ_16;
8644 switch (ctsio->cdb[0]) {
8647 struct scsi_rw_6 *cdb;
8649 cdb = (struct scsi_rw_6 *)ctsio->cdb;
8651 lba = scsi_3btoul(cdb->addr);
8652 /* only 5 bits are valid in the most significant address byte */
8654 num_blocks = cdb->length;
8656 * This is correct according to SBC-2.
8658 if (num_blocks == 0)
8664 struct scsi_rw_10 *cdb;
8666 cdb = (struct scsi_rw_10 *)ctsio->cdb;
8667 if (cdb->byte2 & SRW10_FUA)
8668 flags |= CTL_LLF_FUA;
8669 if (cdb->byte2 & SRW10_DPO)
8670 flags |= CTL_LLF_DPO;
8671 lba = scsi_4btoul(cdb->addr);
8672 num_blocks = scsi_2btoul(cdb->length);
8675 case WRITE_VERIFY_10: {
8676 struct scsi_write_verify_10 *cdb;
8678 cdb = (struct scsi_write_verify_10 *)ctsio->cdb;
8679 flags |= CTL_LLF_FUA;
8680 if (cdb->byte2 & SWV_DPO)
8681 flags |= CTL_LLF_DPO;
8682 lba = scsi_4btoul(cdb->addr);
8683 num_blocks = scsi_2btoul(cdb->length);
8688 struct scsi_rw_12 *cdb;
8690 cdb = (struct scsi_rw_12 *)ctsio->cdb;
8691 if (cdb->byte2 & SRW12_FUA)
8692 flags |= CTL_LLF_FUA;
8693 if (cdb->byte2 & SRW12_DPO)
8694 flags |= CTL_LLF_DPO;
8695 lba = scsi_4btoul(cdb->addr);
8696 num_blocks = scsi_4btoul(cdb->length);
8699 case WRITE_VERIFY_12: {
8700 struct scsi_write_verify_12 *cdb;
8702 cdb = (struct scsi_write_verify_12 *)ctsio->cdb;
8703 flags |= CTL_LLF_FUA;
8704 if (cdb->byte2 & SWV_DPO)
8705 flags |= CTL_LLF_DPO;
8706 lba = scsi_4btoul(cdb->addr);
8707 num_blocks = scsi_4btoul(cdb->length);
8712 struct scsi_rw_16 *cdb;
8714 cdb = (struct scsi_rw_16 *)ctsio->cdb;
8715 if (cdb->byte2 & SRW12_FUA)
8716 flags |= CTL_LLF_FUA;
8717 if (cdb->byte2 & SRW12_DPO)
8718 flags |= CTL_LLF_DPO;
8719 lba = scsi_8btou64(cdb->addr);
8720 num_blocks = scsi_4btoul(cdb->length);
8723 case WRITE_ATOMIC_16: {
8724 struct scsi_write_atomic_16 *cdb;
8726 if (lun->be_lun->atomicblock == 0) {
8727 ctl_set_invalid_opcode(ctsio);
8728 ctl_done((union ctl_io *)ctsio);
8729 return (CTL_RETVAL_COMPLETE);
8732 cdb = (struct scsi_write_atomic_16 *)ctsio->cdb;
8733 if (cdb->byte2 & SRW12_FUA)
8734 flags |= CTL_LLF_FUA;
8735 if (cdb->byte2 & SRW12_DPO)
8736 flags |= CTL_LLF_DPO;
8737 lba = scsi_8btou64(cdb->addr);
8738 num_blocks = scsi_2btoul(cdb->length);
8739 if (num_blocks > lun->be_lun->atomicblock) {
8740 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
8741 /*command*/ 1, /*field*/ 12, /*bit_valid*/ 0,
8743 ctl_done((union ctl_io *)ctsio);
8744 return (CTL_RETVAL_COMPLETE);
8748 case WRITE_VERIFY_16: {
8749 struct scsi_write_verify_16 *cdb;
8751 cdb = (struct scsi_write_verify_16 *)ctsio->cdb;
8752 flags |= CTL_LLF_FUA;
8753 if (cdb->byte2 & SWV_DPO)
8754 flags |= CTL_LLF_DPO;
8755 lba = scsi_8btou64(cdb->addr);
8756 num_blocks = scsi_4btoul(cdb->length);
8761 * We got a command we don't support. This shouldn't
8762 * happen, commands should be filtered out above us.
8764 ctl_set_invalid_opcode(ctsio);
8765 ctl_done((union ctl_io *)ctsio);
8767 return (CTL_RETVAL_COMPLETE);
8768 break; /* NOTREACHED */
8772 * The first check is to make sure we're in bounds, the second
8773 * check is to catch wrap-around problems. If the lba + num blocks
8774 * is less than the lba, then we've wrapped around and the block
8775 * range is invalid anyway.
8777 if (((lba + num_blocks) > (lun->be_lun->maxlba + 1))
8778 || ((lba + num_blocks) < lba)) {
8779 ctl_set_lba_out_of_range(ctsio);
8780 ctl_done((union ctl_io *)ctsio);
8781 return (CTL_RETVAL_COMPLETE);
8785 * According to SBC-3, a transfer length of 0 is not an error.
8786 * Note that this cannot happen with WRITE(6) or READ(6), since 0
8787 * translates to 256 blocks for those commands.
8789 if (num_blocks == 0) {
8790 ctl_set_success(ctsio);
8791 ctl_done((union ctl_io *)ctsio);
8792 return (CTL_RETVAL_COMPLETE);
8795 /* Set FUA and/or DPO if caches are disabled. */
8797 if ((lun->MODE_CACHING.flags1 & SCP_RCD) != 0)
8798 flags |= CTL_LLF_FUA | CTL_LLF_DPO;
8800 if ((lun->MODE_CACHING.flags1 & SCP_WCE) == 0)
8801 flags |= CTL_LLF_FUA;
8804 lbalen = (struct ctl_lba_len_flags *)
8805 &ctsio->io_hdr.ctl_private[CTL_PRIV_LBA_LEN];
8807 lbalen->len = num_blocks;
8808 lbalen->flags = (isread ? CTL_LLF_READ : CTL_LLF_WRITE) | flags;
8810 ctsio->kern_total_len = num_blocks * lun->be_lun->blocksize;
8811 ctsio->kern_rel_offset = 0;
8813 CTL_DEBUG_PRINT(("ctl_read_write: calling data_submit()\n"));
8815 retval = lun->backend->data_submit((union ctl_io *)ctsio);
8820 ctl_cnw_cont(union ctl_io *io)
8822 struct ctl_scsiio *ctsio;
8823 struct ctl_lun *lun;
8824 struct ctl_lba_len_flags *lbalen;
8827 ctsio = &io->scsiio;
8828 ctsio->io_hdr.status = CTL_STATUS_NONE;
8829 ctsio->io_hdr.flags &= ~CTL_FLAG_IO_CONT;
8830 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
8831 lbalen = (struct ctl_lba_len_flags *)
8832 &ctsio->io_hdr.ctl_private[CTL_PRIV_LBA_LEN];
8833 lbalen->flags &= ~CTL_LLF_COMPARE;
8834 lbalen->flags |= CTL_LLF_WRITE;
8836 CTL_DEBUG_PRINT(("ctl_cnw_cont: calling data_submit()\n"));
8837 retval = lun->backend->data_submit((union ctl_io *)ctsio);
8842 ctl_cnw(struct ctl_scsiio *ctsio)
8844 struct ctl_lun *lun;
8845 struct ctl_lba_len_flags *lbalen;
8847 uint32_t num_blocks;
8850 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
8852 CTL_DEBUG_PRINT(("ctl_cnw: command: %#x\n", ctsio->cdb[0]));
8855 switch (ctsio->cdb[0]) {
8856 case COMPARE_AND_WRITE: {
8857 struct scsi_compare_and_write *cdb;
8859 cdb = (struct scsi_compare_and_write *)ctsio->cdb;
8860 if (cdb->byte2 & SRW10_FUA)
8861 flags |= CTL_LLF_FUA;
8862 if (cdb->byte2 & SRW10_DPO)
8863 flags |= CTL_LLF_DPO;
8864 lba = scsi_8btou64(cdb->addr);
8865 num_blocks = cdb->length;
8870 * We got a command we don't support. This shouldn't
8871 * happen, commands should be filtered out above us.
8873 ctl_set_invalid_opcode(ctsio);
8874 ctl_done((union ctl_io *)ctsio);
8876 return (CTL_RETVAL_COMPLETE);
8877 break; /* NOTREACHED */
8881 * The first check is to make sure we're in bounds, the second
8882 * check is to catch wrap-around problems. If the lba + num blocks
8883 * is less than the lba, then we've wrapped around and the block
8884 * range is invalid anyway.
8886 if (((lba + num_blocks) > (lun->be_lun->maxlba + 1))
8887 || ((lba + num_blocks) < lba)) {
8888 ctl_set_lba_out_of_range(ctsio);
8889 ctl_done((union ctl_io *)ctsio);
8890 return (CTL_RETVAL_COMPLETE);
8894 * According to SBC-3, a transfer length of 0 is not an error.
8896 if (num_blocks == 0) {
8897 ctl_set_success(ctsio);
8898 ctl_done((union ctl_io *)ctsio);
8899 return (CTL_RETVAL_COMPLETE);
8902 /* Set FUA if write cache is disabled. */
8903 if ((lun->MODE_CACHING.flags1 & SCP_WCE) == 0)
8904 flags |= CTL_LLF_FUA;
8906 ctsio->kern_total_len = 2 * num_blocks * lun->be_lun->blocksize;
8907 ctsio->kern_rel_offset = 0;
8910 * Set the IO_CONT flag, so that if this I/O gets passed to
8911 * ctl_data_submit_done(), it'll get passed back to
8912 * ctl_ctl_cnw_cont() for further processing.
8914 ctsio->io_hdr.flags |= CTL_FLAG_IO_CONT;
8915 ctsio->io_cont = ctl_cnw_cont;
8917 lbalen = (struct ctl_lba_len_flags *)
8918 &ctsio->io_hdr.ctl_private[CTL_PRIV_LBA_LEN];
8920 lbalen->len = num_blocks;
8921 lbalen->flags = CTL_LLF_COMPARE | flags;
8923 CTL_DEBUG_PRINT(("ctl_cnw: calling data_submit()\n"));
8924 retval = lun->backend->data_submit((union ctl_io *)ctsio);
8929 ctl_verify(struct ctl_scsiio *ctsio)
8931 struct ctl_lun *lun;
8932 struct ctl_lba_len_flags *lbalen;
8934 uint32_t num_blocks;
8938 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
8940 CTL_DEBUG_PRINT(("ctl_verify: command: %#x\n", ctsio->cdb[0]));
8943 flags = CTL_LLF_FUA;
8944 switch (ctsio->cdb[0]) {
8946 struct scsi_verify_10 *cdb;
8948 cdb = (struct scsi_verify_10 *)ctsio->cdb;
8949 if (cdb->byte2 & SVFY_BYTCHK)
8951 if (cdb->byte2 & SVFY_DPO)
8952 flags |= CTL_LLF_DPO;
8953 lba = scsi_4btoul(cdb->addr);
8954 num_blocks = scsi_2btoul(cdb->length);
8958 struct scsi_verify_12 *cdb;
8960 cdb = (struct scsi_verify_12 *)ctsio->cdb;
8961 if (cdb->byte2 & SVFY_BYTCHK)
8963 if (cdb->byte2 & SVFY_DPO)
8964 flags |= CTL_LLF_DPO;
8965 lba = scsi_4btoul(cdb->addr);
8966 num_blocks = scsi_4btoul(cdb->length);
8970 struct scsi_rw_16 *cdb;
8972 cdb = (struct scsi_rw_16 *)ctsio->cdb;
8973 if (cdb->byte2 & SVFY_BYTCHK)
8975 if (cdb->byte2 & SVFY_DPO)
8976 flags |= CTL_LLF_DPO;
8977 lba = scsi_8btou64(cdb->addr);
8978 num_blocks = scsi_4btoul(cdb->length);
8983 * We got a command we don't support. This shouldn't
8984 * happen, commands should be filtered out above us.
8986 ctl_set_invalid_opcode(ctsio);
8987 ctl_done((union ctl_io *)ctsio);
8988 return (CTL_RETVAL_COMPLETE);
8992 * The first check is to make sure we're in bounds, the second
8993 * check is to catch wrap-around problems. If the lba + num blocks
8994 * is less than the lba, then we've wrapped around and the block
8995 * range is invalid anyway.
8997 if (((lba + num_blocks) > (lun->be_lun->maxlba + 1))
8998 || ((lba + num_blocks) < lba)) {
8999 ctl_set_lba_out_of_range(ctsio);
9000 ctl_done((union ctl_io *)ctsio);
9001 return (CTL_RETVAL_COMPLETE);
9005 * According to SBC-3, a transfer length of 0 is not an error.
9007 if (num_blocks == 0) {
9008 ctl_set_success(ctsio);
9009 ctl_done((union ctl_io *)ctsio);
9010 return (CTL_RETVAL_COMPLETE);
9013 lbalen = (struct ctl_lba_len_flags *)
9014 &ctsio->io_hdr.ctl_private[CTL_PRIV_LBA_LEN];
9016 lbalen->len = num_blocks;
9018 lbalen->flags = CTL_LLF_COMPARE | flags;
9019 ctsio->kern_total_len = num_blocks * lun->be_lun->blocksize;
9021 lbalen->flags = CTL_LLF_VERIFY | flags;
9022 ctsio->kern_total_len = 0;
9024 ctsio->kern_rel_offset = 0;
9026 CTL_DEBUG_PRINT(("ctl_verify: calling data_submit()\n"));
9027 retval = lun->backend->data_submit((union ctl_io *)ctsio);
9032 ctl_report_luns(struct ctl_scsiio *ctsio)
9034 struct ctl_softc *softc;
9035 struct scsi_report_luns *cdb;
9036 struct scsi_report_luns_data *lun_data;
9037 struct ctl_lun *lun, *request_lun;
9038 struct ctl_port *port;
9039 int num_luns, retval;
9040 uint32_t alloc_len, lun_datalen;
9042 uint32_t initidx, targ_lun_id, lun_id;
9044 retval = CTL_RETVAL_COMPLETE;
9045 cdb = (struct scsi_report_luns *)ctsio->cdb;
9046 port = ctl_io_port(&ctsio->io_hdr);
9047 softc = port->ctl_softc;
9049 CTL_DEBUG_PRINT(("ctl_report_luns\n"));
9051 mtx_lock(&softc->ctl_lock);
9053 for (targ_lun_id = 0; targ_lun_id < CTL_MAX_LUNS; targ_lun_id++) {
9054 if (ctl_lun_map_from_port(port, targ_lun_id) < CTL_MAX_LUNS)
9057 mtx_unlock(&softc->ctl_lock);
9059 switch (cdb->select_report) {
9060 case RPL_REPORT_DEFAULT:
9061 case RPL_REPORT_ALL:
9062 case RPL_REPORT_NONSUBSID:
9064 case RPL_REPORT_WELLKNOWN:
9065 case RPL_REPORT_ADMIN:
9066 case RPL_REPORT_CONGLOM:
9070 ctl_set_invalid_field(ctsio,
9076 ctl_done((union ctl_io *)ctsio);
9078 break; /* NOTREACHED */
9081 alloc_len = scsi_4btoul(cdb->length);
9083 * The initiator has to allocate at least 16 bytes for this request,
9084 * so he can at least get the header and the first LUN. Otherwise
9085 * we reject the request (per SPC-3 rev 14, section 6.21).
9087 if (alloc_len < (sizeof(struct scsi_report_luns_data) +
9088 sizeof(struct scsi_report_luns_lundata))) {
9089 ctl_set_invalid_field(ctsio,
9095 ctl_done((union ctl_io *)ctsio);
9099 request_lun = (struct ctl_lun *)
9100 ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
9102 lun_datalen = sizeof(*lun_data) +
9103 (num_luns * sizeof(struct scsi_report_luns_lundata));
9105 ctsio->kern_data_ptr = malloc(lun_datalen, M_CTL, M_WAITOK | M_ZERO);
9106 lun_data = (struct scsi_report_luns_data *)ctsio->kern_data_ptr;
9107 ctsio->kern_sg_entries = 0;
9109 initidx = ctl_get_initindex(&ctsio->io_hdr.nexus);
9111 mtx_lock(&softc->ctl_lock);
9112 for (targ_lun_id = 0, num_filled = 0; targ_lun_id < CTL_MAX_LUNS && num_filled < num_luns; targ_lun_id++) {
9113 lun_id = ctl_lun_map_from_port(port, targ_lun_id);
9114 if (lun_id >= CTL_MAX_LUNS)
9116 lun = softc->ctl_luns[lun_id];
9120 be64enc(lun_data->luns[num_filled++].lundata,
9121 ctl_encode_lun(targ_lun_id));
9124 * According to SPC-3, rev 14 section 6.21:
9126 * "The execution of a REPORT LUNS command to any valid and
9127 * installed logical unit shall clear the REPORTED LUNS DATA
9128 * HAS CHANGED unit attention condition for all logical
9129 * units of that target with respect to the requesting
9130 * initiator. A valid and installed logical unit is one
9131 * having a PERIPHERAL QUALIFIER of 000b in the standard
9132 * INQUIRY data (see 6.4.2)."
9134 * If request_lun is NULL, the LUN this report luns command
9135 * was issued to is either disabled or doesn't exist. In that
9136 * case, we shouldn't clear any pending lun change unit
9139 if (request_lun != NULL) {
9140 mtx_lock(&lun->lun_lock);
9141 ctl_clr_ua(lun, initidx, CTL_UA_LUN_CHANGE);
9142 mtx_unlock(&lun->lun_lock);
9145 mtx_unlock(&softc->ctl_lock);
9148 * It's quite possible that we've returned fewer LUNs than we allocated
9149 * space for. Trim it.
9151 lun_datalen = sizeof(*lun_data) +
9152 (num_filled * sizeof(struct scsi_report_luns_lundata));
9154 if (lun_datalen < alloc_len) {
9155 ctsio->residual = alloc_len - lun_datalen;
9156 ctsio->kern_data_len = lun_datalen;
9157 ctsio->kern_total_len = lun_datalen;
9159 ctsio->residual = 0;
9160 ctsio->kern_data_len = alloc_len;
9161 ctsio->kern_total_len = alloc_len;
9163 ctsio->kern_data_resid = 0;
9164 ctsio->kern_rel_offset = 0;
9165 ctsio->kern_sg_entries = 0;
9168 * We set this to the actual data length, regardless of how much
9169 * space we actually have to return results. If the user looks at
9170 * this value, he'll know whether or not he allocated enough space
9171 * and reissue the command if necessary. We don't support well
9172 * known logical units, so if the user asks for that, return none.
9174 scsi_ulto4b(lun_datalen - 8, lun_data->length);
9177 * We can only return SCSI_STATUS_CHECK_COND when we can't satisfy
9180 ctl_set_success(ctsio);
9181 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
9182 ctsio->be_move_done = ctl_config_move_done;
9183 ctl_datamove((union ctl_io *)ctsio);
9188 ctl_request_sense(struct ctl_scsiio *ctsio)
9190 struct scsi_request_sense *cdb;
9191 struct scsi_sense_data *sense_ptr;
9192 struct ctl_softc *softc;
9193 struct ctl_lun *lun;
9196 scsi_sense_data_type sense_format;
9197 ctl_ua_type ua_type;
9198 uint8_t asc = 0, ascq = 0;
9200 cdb = (struct scsi_request_sense *)ctsio->cdb;
9202 softc = control_softc;
9203 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
9205 CTL_DEBUG_PRINT(("ctl_request_sense\n"));
9208 * Determine which sense format the user wants.
9210 if (cdb->byte2 & SRS_DESC)
9211 sense_format = SSD_TYPE_DESC;
9213 sense_format = SSD_TYPE_FIXED;
9215 ctsio->kern_data_ptr = malloc(sizeof(*sense_ptr), M_CTL, M_WAITOK);
9216 sense_ptr = (struct scsi_sense_data *)ctsio->kern_data_ptr;
9217 ctsio->kern_sg_entries = 0;
9220 * struct scsi_sense_data, which is currently set to 256 bytes, is
9221 * larger than the largest allowed value for the length field in the
9222 * REQUEST SENSE CDB, which is 252 bytes as of SPC-4.
9224 ctsio->residual = 0;
9225 ctsio->kern_data_len = cdb->length;
9226 ctsio->kern_total_len = cdb->length;
9228 ctsio->kern_data_resid = 0;
9229 ctsio->kern_rel_offset = 0;
9230 ctsio->kern_sg_entries = 0;
9233 * If we don't have a LUN, we don't have any pending sense.
9236 ((lun->flags & CTL_LUN_PRIMARY_SC) == 0 &&
9237 softc->ha_link < CTL_HA_LINK_UNKNOWN)) {
9238 /* "Logical unit not supported" */
9239 ctl_set_sense_data(sense_ptr, NULL, sense_format,
9240 /*current_error*/ 1,
9241 /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
9249 initidx = ctl_get_initindex(&ctsio->io_hdr.nexus);
9251 * Check for pending sense, and then for pending unit attentions.
9252 * Pending sense gets returned first, then pending unit attentions.
9254 mtx_lock(&lun->lun_lock);
9256 if (ctl_is_set(lun->have_ca, initidx)) {
9257 scsi_sense_data_type stored_format;
9260 * Check to see which sense format was used for the stored
9263 stored_format = scsi_sense_type(&lun->pending_sense[initidx]);
9266 * If the user requested a different sense format than the
9267 * one we stored, then we need to convert it to the other
9268 * format. If we're going from descriptor to fixed format
9269 * sense data, we may lose things in translation, depending
9270 * on what options were used.
9272 * If the stored format is SSD_TYPE_NONE (i.e. invalid),
9273 * for some reason we'll just copy it out as-is.
9275 if ((stored_format == SSD_TYPE_FIXED)
9276 && (sense_format == SSD_TYPE_DESC))
9277 ctl_sense_to_desc((struct scsi_sense_data_fixed *)
9278 &lun->pending_sense[initidx],
9279 (struct scsi_sense_data_desc *)sense_ptr);
9280 else if ((stored_format == SSD_TYPE_DESC)
9281 && (sense_format == SSD_TYPE_FIXED))
9282 ctl_sense_to_fixed((struct scsi_sense_data_desc *)
9283 &lun->pending_sense[initidx],
9284 (struct scsi_sense_data_fixed *)sense_ptr);
9286 memcpy(sense_ptr, &lun->pending_sense[initidx],
9287 MIN(sizeof(*sense_ptr),
9288 sizeof(lun->pending_sense[initidx])));
9290 ctl_clear_mask(lun->have_ca, initidx);
9294 if (have_error == 0) {
9295 ua_type = ctl_build_ua(lun, initidx, sense_ptr, sense_format);
9296 if (ua_type != CTL_UA_NONE)
9298 if (ua_type == CTL_UA_LUN_CHANGE) {
9299 mtx_unlock(&lun->lun_lock);
9300 mtx_lock(&softc->ctl_lock);
9301 ctl_clr_ua_allluns(softc, initidx, ua_type);
9302 mtx_unlock(&softc->ctl_lock);
9303 mtx_lock(&lun->lun_lock);
9306 if (have_error == 0) {
9308 * Report informational exception if have one and allowed.
9310 if (lun->MODE_IE.mrie != SIEP_MRIE_NO) {
9312 ascq = lun->ie_ascq;
9314 ctl_set_sense_data(sense_ptr, lun, sense_format,
9315 /*current_error*/ 1,
9316 /*sense_key*/ SSD_KEY_NO_SENSE,
9321 mtx_unlock(&lun->lun_lock);
9325 * We report the SCSI status as OK, since the status of the command
9326 * itself is OK. We're reporting sense as parameter data.
9328 ctl_set_success(ctsio);
9329 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
9330 ctsio->be_move_done = ctl_config_move_done;
9331 ctl_datamove((union ctl_io *)ctsio);
9332 return (CTL_RETVAL_COMPLETE);
9336 ctl_tur(struct ctl_scsiio *ctsio)
9339 CTL_DEBUG_PRINT(("ctl_tur\n"));
9341 ctl_set_success(ctsio);
9342 ctl_done((union ctl_io *)ctsio);
9344 return (CTL_RETVAL_COMPLETE);
9348 * SCSI VPD page 0x00, the Supported VPD Pages page.
9351 ctl_inquiry_evpd_supported(struct ctl_scsiio *ctsio, int alloc_len)
9353 struct scsi_vpd_supported_pages *pages;
9355 struct ctl_lun *lun;
9358 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
9360 sup_page_size = sizeof(struct scsi_vpd_supported_pages) *
9361 SCSI_EVPD_NUM_SUPPORTED_PAGES;
9362 ctsio->kern_data_ptr = malloc(sup_page_size, M_CTL, M_WAITOK | M_ZERO);
9363 pages = (struct scsi_vpd_supported_pages *)ctsio->kern_data_ptr;
9364 ctsio->kern_sg_entries = 0;
9366 if (sup_page_size < alloc_len) {
9367 ctsio->residual = alloc_len - sup_page_size;
9368 ctsio->kern_data_len = sup_page_size;
9369 ctsio->kern_total_len = sup_page_size;
9371 ctsio->residual = 0;
9372 ctsio->kern_data_len = alloc_len;
9373 ctsio->kern_total_len = alloc_len;
9375 ctsio->kern_data_resid = 0;
9376 ctsio->kern_rel_offset = 0;
9377 ctsio->kern_sg_entries = 0;
9380 * The control device is always connected. The disk device, on the
9381 * other hand, may not be online all the time. Need to change this
9382 * to figure out whether the disk device is actually online or not.
9385 pages->device = (SID_QUAL_LU_CONNECTED << 5) |
9386 lun->be_lun->lun_type;
9388 pages->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
9391 /* Supported VPD pages */
9392 pages->page_list[p++] = SVPD_SUPPORTED_PAGES;
9394 pages->page_list[p++] = SVPD_UNIT_SERIAL_NUMBER;
9395 /* Device Identification */
9396 pages->page_list[p++] = SVPD_DEVICE_ID;
9397 /* Extended INQUIRY Data */
9398 pages->page_list[p++] = SVPD_EXTENDED_INQUIRY_DATA;
9399 /* Mode Page Policy */
9400 pages->page_list[p++] = SVPD_MODE_PAGE_POLICY;
9402 pages->page_list[p++] = SVPD_SCSI_PORTS;
9403 /* Third-party Copy */
9404 pages->page_list[p++] = SVPD_SCSI_TPC;
9405 if (lun != NULL && lun->be_lun->lun_type == T_DIRECT) {
9407 pages->page_list[p++] = SVPD_BLOCK_LIMITS;
9408 /* Block Device Characteristics */
9409 pages->page_list[p++] = SVPD_BDC;
9410 /* Logical Block Provisioning */
9411 pages->page_list[p++] = SVPD_LBP;
9415 ctl_set_success(ctsio);
9416 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
9417 ctsio->be_move_done = ctl_config_move_done;
9418 ctl_datamove((union ctl_io *)ctsio);
9419 return (CTL_RETVAL_COMPLETE);
9423 * SCSI VPD page 0x80, the Unit Serial Number page.
9426 ctl_inquiry_evpd_serial(struct ctl_scsiio *ctsio, int alloc_len)
9428 struct scsi_vpd_unit_serial_number *sn_ptr;
9429 struct ctl_lun *lun;
9432 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
9434 data_len = 4 + CTL_SN_LEN;
9435 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
9436 sn_ptr = (struct scsi_vpd_unit_serial_number *)ctsio->kern_data_ptr;
9437 if (data_len < alloc_len) {
9438 ctsio->residual = alloc_len - data_len;
9439 ctsio->kern_data_len = data_len;
9440 ctsio->kern_total_len = data_len;
9442 ctsio->residual = 0;
9443 ctsio->kern_data_len = alloc_len;
9444 ctsio->kern_total_len = alloc_len;
9446 ctsio->kern_data_resid = 0;
9447 ctsio->kern_rel_offset = 0;
9448 ctsio->kern_sg_entries = 0;
9451 * The control device is always connected. The disk device, on the
9452 * other hand, may not be online all the time. Need to change this
9453 * to figure out whether the disk device is actually online or not.
9456 sn_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
9457 lun->be_lun->lun_type;
9459 sn_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
9461 sn_ptr->page_code = SVPD_UNIT_SERIAL_NUMBER;
9462 sn_ptr->length = CTL_SN_LEN;
9464 * If we don't have a LUN, we just leave the serial number as
9468 strncpy((char *)sn_ptr->serial_num,
9469 (char *)lun->be_lun->serial_num, CTL_SN_LEN);
9471 memset(sn_ptr->serial_num, 0x20, CTL_SN_LEN);
9473 ctl_set_success(ctsio);
9474 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
9475 ctsio->be_move_done = ctl_config_move_done;
9476 ctl_datamove((union ctl_io *)ctsio);
9477 return (CTL_RETVAL_COMPLETE);
9482 * SCSI VPD page 0x86, the Extended INQUIRY Data page.
9485 ctl_inquiry_evpd_eid(struct ctl_scsiio *ctsio, int alloc_len)
9487 struct scsi_vpd_extended_inquiry_data *eid_ptr;
9488 struct ctl_lun *lun;
9491 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
9493 data_len = sizeof(struct scsi_vpd_extended_inquiry_data);
9494 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
9495 eid_ptr = (struct scsi_vpd_extended_inquiry_data *)ctsio->kern_data_ptr;
9496 ctsio->kern_sg_entries = 0;
9498 if (data_len < alloc_len) {
9499 ctsio->residual = alloc_len - data_len;
9500 ctsio->kern_data_len = data_len;
9501 ctsio->kern_total_len = data_len;
9503 ctsio->residual = 0;
9504 ctsio->kern_data_len = alloc_len;
9505 ctsio->kern_total_len = alloc_len;
9507 ctsio->kern_data_resid = 0;
9508 ctsio->kern_rel_offset = 0;
9509 ctsio->kern_sg_entries = 0;
9512 * The control device is always connected. The disk device, on the
9513 * other hand, may not be online all the time.
9516 eid_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
9517 lun->be_lun->lun_type;
9519 eid_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
9520 eid_ptr->page_code = SVPD_EXTENDED_INQUIRY_DATA;
9521 scsi_ulto2b(data_len - 4, eid_ptr->page_length);
9523 * We support head of queue, ordered and simple tags.
9525 eid_ptr->flags2 = SVPD_EID_HEADSUP | SVPD_EID_ORDSUP | SVPD_EID_SIMPSUP;
9527 * Volatile cache supported.
9529 eid_ptr->flags3 = SVPD_EID_V_SUP;
9532 * This means that we clear the REPORTED LUNS DATA HAS CHANGED unit
9533 * attention for a particular IT nexus on all LUNs once we report
9534 * it to that nexus once. This bit is required as of SPC-4.
9536 eid_ptr->flags4 = SVPD_EID_LUICLT;
9539 * XXX KDM in order to correctly answer this, we would need
9540 * information from the SIM to determine how much sense data it
9541 * can send. So this would really be a path inquiry field, most
9542 * likely. This can be set to a maximum of 252 according to SPC-4,
9543 * but the hardware may or may not be able to support that much.
9544 * 0 just means that the maximum sense data length is not reported.
9546 eid_ptr->max_sense_length = 0;
9548 ctl_set_success(ctsio);
9549 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
9550 ctsio->be_move_done = ctl_config_move_done;
9551 ctl_datamove((union ctl_io *)ctsio);
9552 return (CTL_RETVAL_COMPLETE);
9556 ctl_inquiry_evpd_mpp(struct ctl_scsiio *ctsio, int alloc_len)
9558 struct scsi_vpd_mode_page_policy *mpp_ptr;
9559 struct ctl_lun *lun;
9562 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
9564 data_len = sizeof(struct scsi_vpd_mode_page_policy) +
9565 sizeof(struct scsi_vpd_mode_page_policy_descr);
9567 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
9568 mpp_ptr = (struct scsi_vpd_mode_page_policy *)ctsio->kern_data_ptr;
9569 ctsio->kern_sg_entries = 0;
9571 if (data_len < alloc_len) {
9572 ctsio->residual = alloc_len - data_len;
9573 ctsio->kern_data_len = data_len;
9574 ctsio->kern_total_len = data_len;
9576 ctsio->residual = 0;
9577 ctsio->kern_data_len = alloc_len;
9578 ctsio->kern_total_len = alloc_len;
9580 ctsio->kern_data_resid = 0;
9581 ctsio->kern_rel_offset = 0;
9582 ctsio->kern_sg_entries = 0;
9585 * The control device is always connected. The disk device, on the
9586 * other hand, may not be online all the time.
9589 mpp_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
9590 lun->be_lun->lun_type;
9592 mpp_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
9593 mpp_ptr->page_code = SVPD_MODE_PAGE_POLICY;
9594 scsi_ulto2b(data_len - 4, mpp_ptr->page_length);
9595 mpp_ptr->descr[0].page_code = 0x3f;
9596 mpp_ptr->descr[0].subpage_code = 0xff;
9597 mpp_ptr->descr[0].policy = SVPD_MPP_SHARED;
9599 ctl_set_success(ctsio);
9600 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
9601 ctsio->be_move_done = ctl_config_move_done;
9602 ctl_datamove((union ctl_io *)ctsio);
9603 return (CTL_RETVAL_COMPLETE);
9607 * SCSI VPD page 0x83, the Device Identification page.
9610 ctl_inquiry_evpd_devid(struct ctl_scsiio *ctsio, int alloc_len)
9612 struct scsi_vpd_device_id *devid_ptr;
9613 struct scsi_vpd_id_descriptor *desc;
9614 struct ctl_softc *softc;
9615 struct ctl_lun *lun;
9616 struct ctl_port *port;
9620 softc = control_softc;
9622 port = ctl_io_port(&ctsio->io_hdr);
9623 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
9625 data_len = sizeof(struct scsi_vpd_device_id) +
9626 sizeof(struct scsi_vpd_id_descriptor) +
9627 sizeof(struct scsi_vpd_id_rel_trgt_port_id) +
9628 sizeof(struct scsi_vpd_id_descriptor) +
9629 sizeof(struct scsi_vpd_id_trgt_port_grp_id);
9630 if (lun && lun->lun_devid)
9631 data_len += lun->lun_devid->len;
9632 if (port && port->port_devid)
9633 data_len += port->port_devid->len;
9634 if (port && port->target_devid)
9635 data_len += port->target_devid->len;
9637 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
9638 devid_ptr = (struct scsi_vpd_device_id *)ctsio->kern_data_ptr;
9639 ctsio->kern_sg_entries = 0;
9641 if (data_len < alloc_len) {
9642 ctsio->residual = alloc_len - data_len;
9643 ctsio->kern_data_len = data_len;
9644 ctsio->kern_total_len = data_len;
9646 ctsio->residual = 0;
9647 ctsio->kern_data_len = alloc_len;
9648 ctsio->kern_total_len = alloc_len;
9650 ctsio->kern_data_resid = 0;
9651 ctsio->kern_rel_offset = 0;
9652 ctsio->kern_sg_entries = 0;
9655 * The control device is always connected. The disk device, on the
9656 * other hand, may not be online all the time.
9659 devid_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
9660 lun->be_lun->lun_type;
9662 devid_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
9663 devid_ptr->page_code = SVPD_DEVICE_ID;
9664 scsi_ulto2b(data_len - 4, devid_ptr->length);
9666 if (port && port->port_type == CTL_PORT_FC)
9667 proto = SCSI_PROTO_FC << 4;
9668 else if (port && port->port_type == CTL_PORT_ISCSI)
9669 proto = SCSI_PROTO_ISCSI << 4;
9671 proto = SCSI_PROTO_SPI << 4;
9672 desc = (struct scsi_vpd_id_descriptor *)devid_ptr->desc_list;
9675 * We're using a LUN association here. i.e., this device ID is a
9676 * per-LUN identifier.
9678 if (lun && lun->lun_devid) {
9679 memcpy(desc, lun->lun_devid->data, lun->lun_devid->len);
9680 desc = (struct scsi_vpd_id_descriptor *)((uint8_t *)desc +
9681 lun->lun_devid->len);
9685 * This is for the WWPN which is a port association.
9687 if (port && port->port_devid) {
9688 memcpy(desc, port->port_devid->data, port->port_devid->len);
9689 desc = (struct scsi_vpd_id_descriptor *)((uint8_t *)desc +
9690 port->port_devid->len);
9694 * This is for the Relative Target Port(type 4h) identifier
9696 desc->proto_codeset = proto | SVPD_ID_CODESET_BINARY;
9697 desc->id_type = SVPD_ID_PIV | SVPD_ID_ASSOC_PORT |
9698 SVPD_ID_TYPE_RELTARG;
9700 scsi_ulto2b(ctsio->io_hdr.nexus.targ_port, &desc->identifier[2]);
9701 desc = (struct scsi_vpd_id_descriptor *)(&desc->identifier[0] +
9702 sizeof(struct scsi_vpd_id_rel_trgt_port_id));
9705 * This is for the Target Port Group(type 5h) identifier
9707 desc->proto_codeset = proto | SVPD_ID_CODESET_BINARY;
9708 desc->id_type = SVPD_ID_PIV | SVPD_ID_ASSOC_PORT |
9709 SVPD_ID_TYPE_TPORTGRP;
9711 if (softc->is_single ||
9712 (port && port->status & CTL_PORT_STATUS_HA_SHARED))
9715 g = 2 + ctsio->io_hdr.nexus.targ_port / softc->port_cnt;
9716 scsi_ulto2b(g, &desc->identifier[2]);
9717 desc = (struct scsi_vpd_id_descriptor *)(&desc->identifier[0] +
9718 sizeof(struct scsi_vpd_id_trgt_port_grp_id));
9721 * This is for the Target identifier
9723 if (port && port->target_devid) {
9724 memcpy(desc, port->target_devid->data, port->target_devid->len);
9727 ctl_set_success(ctsio);
9728 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
9729 ctsio->be_move_done = ctl_config_move_done;
9730 ctl_datamove((union ctl_io *)ctsio);
9731 return (CTL_RETVAL_COMPLETE);
9735 ctl_inquiry_evpd_scsi_ports(struct ctl_scsiio *ctsio, int alloc_len)
9737 struct ctl_softc *softc = control_softc;
9738 struct scsi_vpd_scsi_ports *sp;
9739 struct scsi_vpd_port_designation *pd;
9740 struct scsi_vpd_port_designation_cont *pdc;
9741 struct ctl_lun *lun;
9742 struct ctl_port *port;
9743 int data_len, num_target_ports, iid_len, id_len;
9745 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
9747 num_target_ports = 0;
9750 mtx_lock(&softc->ctl_lock);
9751 STAILQ_FOREACH(port, &softc->port_list, links) {
9752 if ((port->status & CTL_PORT_STATUS_ONLINE) == 0)
9755 ctl_lun_map_to_port(port, lun->lun) >= CTL_MAX_LUNS)
9758 if (port->init_devid)
9759 iid_len += port->init_devid->len;
9760 if (port->port_devid)
9761 id_len += port->port_devid->len;
9763 mtx_unlock(&softc->ctl_lock);
9765 data_len = sizeof(struct scsi_vpd_scsi_ports) +
9766 num_target_ports * (sizeof(struct scsi_vpd_port_designation) +
9767 sizeof(struct scsi_vpd_port_designation_cont)) + iid_len + id_len;
9768 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
9769 sp = (struct scsi_vpd_scsi_ports *)ctsio->kern_data_ptr;
9770 ctsio->kern_sg_entries = 0;
9772 if (data_len < alloc_len) {
9773 ctsio->residual = alloc_len - data_len;
9774 ctsio->kern_data_len = data_len;
9775 ctsio->kern_total_len = data_len;
9777 ctsio->residual = 0;
9778 ctsio->kern_data_len = alloc_len;
9779 ctsio->kern_total_len = alloc_len;
9781 ctsio->kern_data_resid = 0;
9782 ctsio->kern_rel_offset = 0;
9783 ctsio->kern_sg_entries = 0;
9786 * The control device is always connected. The disk device, on the
9787 * other hand, may not be online all the time. Need to change this
9788 * to figure out whether the disk device is actually online or not.
9791 sp->device = (SID_QUAL_LU_CONNECTED << 5) |
9792 lun->be_lun->lun_type;
9794 sp->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
9796 sp->page_code = SVPD_SCSI_PORTS;
9797 scsi_ulto2b(data_len - sizeof(struct scsi_vpd_scsi_ports),
9799 pd = &sp->design[0];
9801 mtx_lock(&softc->ctl_lock);
9802 STAILQ_FOREACH(port, &softc->port_list, links) {
9803 if ((port->status & CTL_PORT_STATUS_ONLINE) == 0)
9806 ctl_lun_map_to_port(port, lun->lun) >= CTL_MAX_LUNS)
9808 scsi_ulto2b(port->targ_port, pd->relative_port_id);
9809 if (port->init_devid) {
9810 iid_len = port->init_devid->len;
9811 memcpy(pd->initiator_transportid,
9812 port->init_devid->data, port->init_devid->len);
9815 scsi_ulto2b(iid_len, pd->initiator_transportid_length);
9816 pdc = (struct scsi_vpd_port_designation_cont *)
9817 (&pd->initiator_transportid[iid_len]);
9818 if (port->port_devid) {
9819 id_len = port->port_devid->len;
9820 memcpy(pdc->target_port_descriptors,
9821 port->port_devid->data, port->port_devid->len);
9824 scsi_ulto2b(id_len, pdc->target_port_descriptors_length);
9825 pd = (struct scsi_vpd_port_designation *)
9826 ((uint8_t *)pdc->target_port_descriptors + id_len);
9828 mtx_unlock(&softc->ctl_lock);
9830 ctl_set_success(ctsio);
9831 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
9832 ctsio->be_move_done = ctl_config_move_done;
9833 ctl_datamove((union ctl_io *)ctsio);
9834 return (CTL_RETVAL_COMPLETE);
9838 ctl_inquiry_evpd_block_limits(struct ctl_scsiio *ctsio, int alloc_len)
9840 struct scsi_vpd_block_limits *bl_ptr;
9841 struct ctl_lun *lun;
9844 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
9846 ctsio->kern_data_ptr = malloc(sizeof(*bl_ptr), M_CTL, M_WAITOK | M_ZERO);
9847 bl_ptr = (struct scsi_vpd_block_limits *)ctsio->kern_data_ptr;
9848 ctsio->kern_sg_entries = 0;
9850 if (sizeof(*bl_ptr) < alloc_len) {
9851 ctsio->residual = alloc_len - sizeof(*bl_ptr);
9852 ctsio->kern_data_len = sizeof(*bl_ptr);
9853 ctsio->kern_total_len = sizeof(*bl_ptr);
9855 ctsio->residual = 0;
9856 ctsio->kern_data_len = alloc_len;
9857 ctsio->kern_total_len = alloc_len;
9859 ctsio->kern_data_resid = 0;
9860 ctsio->kern_rel_offset = 0;
9861 ctsio->kern_sg_entries = 0;
9864 * The control device is always connected. The disk device, on the
9865 * other hand, may not be online all the time. Need to change this
9866 * to figure out whether the disk device is actually online or not.
9869 bl_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
9870 lun->be_lun->lun_type;
9872 bl_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
9874 bl_ptr->page_code = SVPD_BLOCK_LIMITS;
9875 scsi_ulto2b(sizeof(*bl_ptr) - 4, bl_ptr->page_length);
9876 bl_ptr->max_cmp_write_len = 0xff;
9877 scsi_ulto4b(0xffffffff, bl_ptr->max_txfer_len);
9879 scsi_ulto4b(lun->be_lun->opttxferlen, bl_ptr->opt_txfer_len);
9880 if (lun->be_lun->flags & CTL_LUN_FLAG_UNMAP) {
9882 ctl_get_opt_number(&lun->be_lun->options,
9883 "unmap_max_lba", &ival);
9884 scsi_ulto4b(ival, bl_ptr->max_unmap_lba_cnt);
9886 ctl_get_opt_number(&lun->be_lun->options,
9887 "unmap_max_descr", &ival);
9888 scsi_ulto4b(ival, bl_ptr->max_unmap_blk_cnt);
9889 if (lun->be_lun->ublockexp != 0) {
9890 scsi_ulto4b((1 << lun->be_lun->ublockexp),
9891 bl_ptr->opt_unmap_grain);
9892 scsi_ulto4b(0x80000000 | lun->be_lun->ublockoff,
9893 bl_ptr->unmap_grain_align);
9896 scsi_ulto4b(lun->be_lun->atomicblock,
9897 bl_ptr->max_atomic_transfer_length);
9898 scsi_ulto4b(0, bl_ptr->atomic_alignment);
9899 scsi_ulto4b(0, bl_ptr->atomic_transfer_length_granularity);
9900 scsi_ulto4b(0, bl_ptr->max_atomic_transfer_length_with_atomic_boundary);
9901 scsi_ulto4b(0, bl_ptr->max_atomic_boundary_size);
9903 ctl_get_opt_number(&lun->be_lun->options, "write_same_max_lba", &ival);
9904 scsi_u64to8b(ival, bl_ptr->max_write_same_length);
9907 ctl_set_success(ctsio);
9908 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
9909 ctsio->be_move_done = ctl_config_move_done;
9910 ctl_datamove((union ctl_io *)ctsio);
9911 return (CTL_RETVAL_COMPLETE);
9915 ctl_inquiry_evpd_bdc(struct ctl_scsiio *ctsio, int alloc_len)
9917 struct scsi_vpd_block_device_characteristics *bdc_ptr;
9918 struct ctl_lun *lun;
9922 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
9924 ctsio->kern_data_ptr = malloc(sizeof(*bdc_ptr), M_CTL, M_WAITOK | M_ZERO);
9925 bdc_ptr = (struct scsi_vpd_block_device_characteristics *)ctsio->kern_data_ptr;
9926 ctsio->kern_sg_entries = 0;
9928 if (sizeof(*bdc_ptr) < alloc_len) {
9929 ctsio->residual = alloc_len - sizeof(*bdc_ptr);
9930 ctsio->kern_data_len = sizeof(*bdc_ptr);
9931 ctsio->kern_total_len = sizeof(*bdc_ptr);
9933 ctsio->residual = 0;
9934 ctsio->kern_data_len = alloc_len;
9935 ctsio->kern_total_len = alloc_len;
9937 ctsio->kern_data_resid = 0;
9938 ctsio->kern_rel_offset = 0;
9939 ctsio->kern_sg_entries = 0;
9942 * The control device is always connected. The disk device, on the
9943 * other hand, may not be online all the time. Need to change this
9944 * to figure out whether the disk device is actually online or not.
9947 bdc_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
9948 lun->be_lun->lun_type;
9950 bdc_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
9951 bdc_ptr->page_code = SVPD_BDC;
9952 scsi_ulto2b(sizeof(*bdc_ptr) - 4, bdc_ptr->page_length);
9954 (value = ctl_get_opt(&lun->be_lun->options, "rpm")) != NULL)
9955 i = strtol(value, NULL, 0);
9957 i = CTL_DEFAULT_ROTATION_RATE;
9958 scsi_ulto2b(i, bdc_ptr->medium_rotation_rate);
9960 (value = ctl_get_opt(&lun->be_lun->options, "formfactor")) != NULL)
9961 i = strtol(value, NULL, 0);
9964 bdc_ptr->wab_wac_ff = (i & 0x0f);
9965 bdc_ptr->flags = SVPD_FUAB | SVPD_VBULS;
9967 ctl_set_success(ctsio);
9968 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
9969 ctsio->be_move_done = ctl_config_move_done;
9970 ctl_datamove((union ctl_io *)ctsio);
9971 return (CTL_RETVAL_COMPLETE);
9975 ctl_inquiry_evpd_lbp(struct ctl_scsiio *ctsio, int alloc_len)
9977 struct scsi_vpd_logical_block_prov *lbp_ptr;
9978 struct ctl_lun *lun;
9981 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
9983 ctsio->kern_data_ptr = malloc(sizeof(*lbp_ptr), M_CTL, M_WAITOK | M_ZERO);
9984 lbp_ptr = (struct scsi_vpd_logical_block_prov *)ctsio->kern_data_ptr;
9985 ctsio->kern_sg_entries = 0;
9987 if (sizeof(*lbp_ptr) < alloc_len) {
9988 ctsio->residual = alloc_len - sizeof(*lbp_ptr);
9989 ctsio->kern_data_len = sizeof(*lbp_ptr);
9990 ctsio->kern_total_len = sizeof(*lbp_ptr);
9992 ctsio->residual = 0;
9993 ctsio->kern_data_len = alloc_len;
9994 ctsio->kern_total_len = alloc_len;
9996 ctsio->kern_data_resid = 0;
9997 ctsio->kern_rel_offset = 0;
9998 ctsio->kern_sg_entries = 0;
10001 * The control device is always connected. The disk device, on the
10002 * other hand, may not be online all the time. Need to change this
10003 * to figure out whether the disk device is actually online or not.
10006 lbp_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
10007 lun->be_lun->lun_type;
10009 lbp_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
10011 lbp_ptr->page_code = SVPD_LBP;
10012 scsi_ulto2b(sizeof(*lbp_ptr) - 4, lbp_ptr->page_length);
10013 lbp_ptr->threshold_exponent = CTL_LBP_EXPONENT;
10014 if (lun != NULL && lun->be_lun->flags & CTL_LUN_FLAG_UNMAP) {
10015 lbp_ptr->flags = SVPD_LBP_UNMAP | SVPD_LBP_WS16 |
10016 SVPD_LBP_WS10 | SVPD_LBP_RZ | SVPD_LBP_ANC_SUP;
10017 value = ctl_get_opt(&lun->be_lun->options, "provisioning_type");
10018 if (value != NULL) {
10019 if (strcmp(value, "resource") == 0)
10020 lbp_ptr->prov_type = SVPD_LBP_RESOURCE;
10021 else if (strcmp(value, "thin") == 0)
10022 lbp_ptr->prov_type = SVPD_LBP_THIN;
10024 lbp_ptr->prov_type = SVPD_LBP_THIN;
10027 ctl_set_success(ctsio);
10028 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
10029 ctsio->be_move_done = ctl_config_move_done;
10030 ctl_datamove((union ctl_io *)ctsio);
10031 return (CTL_RETVAL_COMPLETE);
10035 * INQUIRY with the EVPD bit set.
10038 ctl_inquiry_evpd(struct ctl_scsiio *ctsio)
10040 struct ctl_lun *lun;
10041 struct scsi_inquiry *cdb;
10042 int alloc_len, retval;
10044 lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
10045 cdb = (struct scsi_inquiry *)ctsio->cdb;
10046 alloc_len = scsi_2btoul(cdb->length);
10048 switch (cdb->page_code) {
10049 case SVPD_SUPPORTED_PAGES:
10050 retval = ctl_inquiry_evpd_supported(ctsio, alloc_len);
10052 case SVPD_UNIT_SERIAL_NUMBER:
10053 retval = ctl_inquiry_evpd_serial(ctsio, alloc_len);
10055 case SVPD_DEVICE_ID:
10056 retval = ctl_inquiry_evpd_devid(ctsio, alloc_len);
10058 case SVPD_EXTENDED_INQUIRY_DATA:
10059 retval = ctl_inquiry_evpd_eid(ctsio, alloc_len);
10061 case SVPD_MODE_PAGE_POLICY:
10062 retval = ctl_inquiry_evpd_mpp(ctsio, alloc_len);
10064 case SVPD_SCSI_PORTS:
10065 retval = ctl_inquiry_evpd_scsi_ports(ctsio, alloc_len);
10067 case SVPD_SCSI_TPC:
10068 retval = ctl_inquiry_evpd_tpc(ctsio, alloc_len);
10070 case SVPD_BLOCK_LIMITS:
10071 if (lun == NULL || lun->be_lun->lun_type != T_DIRECT)
10073 retval = ctl_inquiry_evpd_block_limits(ctsio, alloc_len);
10076 if (lun == NULL || lun->be_lun->lun_type != T_DIRECT)
10078 retval = ctl_inquiry_evpd_bdc(ctsio, alloc_len);
10081 if (lun == NULL || lun->be_lun->lun_type != T_DIRECT)
10083 retval = ctl_inquiry_evpd_lbp(ctsio, alloc_len);
10087 ctl_set_invalid_field(ctsio,
10093 ctl_done((union ctl_io *)ctsio);
10094 retval = CTL_RETVAL_COMPLETE;
10102 * Standard INQUIRY data.
10105 ctl_inquiry_std(struct ctl_scsiio *ctsio)
10107 struct scsi_inquiry_data *inq_ptr;
10108 struct scsi_inquiry *cdb;
10109 struct ctl_softc *softc = control_softc;
10110 struct ctl_port *port;
10111 struct ctl_lun *lun;
10113 uint32_t alloc_len, data_len;
10114 ctl_port_type port_type;
10116 port = ctl_io_port(&ctsio->io_hdr);
10117 port_type = port->port_type;
10118 if (port_type == CTL_PORT_IOCTL || port_type == CTL_PORT_INTERNAL)
10119 port_type = CTL_PORT_SCSI;
10121 lun = ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
10122 cdb = (struct scsi_inquiry *)ctsio->cdb;
10123 alloc_len = scsi_2btoul(cdb->length);
10126 * We malloc the full inquiry data size here and fill it
10127 * in. If the user only asks for less, we'll give him
10130 data_len = offsetof(struct scsi_inquiry_data, vendor_specific1);
10131 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
10132 inq_ptr = (struct scsi_inquiry_data *)ctsio->kern_data_ptr;
10133 ctsio->kern_sg_entries = 0;
10134 ctsio->kern_data_resid = 0;
10135 ctsio->kern_rel_offset = 0;
10137 if (data_len < alloc_len) {
10138 ctsio->residual = alloc_len - data_len;
10139 ctsio->kern_data_len = data_len;
10140 ctsio->kern_total_len = data_len;
10142 ctsio->residual = 0;
10143 ctsio->kern_data_len = alloc_len;
10144 ctsio->kern_total_len = alloc_len;
10148 if ((lun->flags & CTL_LUN_PRIMARY_SC) ||
10149 softc->ha_link >= CTL_HA_LINK_UNKNOWN) {
10150 inq_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
10151 lun->be_lun->lun_type;
10153 inq_ptr->device = (SID_QUAL_LU_OFFLINE << 5) |
10154 lun->be_lun->lun_type;
10156 if (lun->flags & CTL_LUN_REMOVABLE)
10157 inq_ptr->dev_qual2 |= SID_RMB;
10159 inq_ptr->device = (SID_QUAL_BAD_LU << 5) | T_NODEVICE;
10161 /* RMB in byte 2 is 0 */
10162 inq_ptr->version = SCSI_REV_SPC4;
10165 * According to SAM-3, even if a device only supports a single
10166 * level of LUN addressing, it should still set the HISUP bit:
10168 * 4.9.1 Logical unit numbers overview
10170 * All logical unit number formats described in this standard are
10171 * hierarchical in structure even when only a single level in that
10172 * hierarchy is used. The HISUP bit shall be set to one in the
10173 * standard INQUIRY data (see SPC-2) when any logical unit number
10174 * format described in this standard is used. Non-hierarchical
10175 * formats are outside the scope of this standard.
10177 * Therefore we set the HiSup bit here.
10179 * The response format is 2, per SPC-3.
10181 inq_ptr->response_format = SID_HiSup | 2;
10183 inq_ptr->additional_length = data_len -
10184 (offsetof(struct scsi_inquiry_data, additional_length) + 1);
10185 CTL_DEBUG_PRINT(("additional_length = %d\n",
10186 inq_ptr->additional_length));
10188 inq_ptr->spc3_flags = SPC3_SID_3PC | SPC3_SID_TPGS_IMPLICIT;
10189 if (port_type == CTL_PORT_SCSI)
10190 inq_ptr->spc2_flags = SPC2_SID_ADDR16;
10191 inq_ptr->spc2_flags |= SPC2_SID_MultiP;
10192 inq_ptr->flags = SID_CmdQue;
10193 if (port_type == CTL_PORT_SCSI)
10194 inq_ptr->flags |= SID_WBus16 | SID_Sync;
10197 * Per SPC-3, unused bytes in ASCII strings are filled with spaces.
10198 * We have 8 bytes for the vendor name, and 16 bytes for the device
10199 * name and 4 bytes for the revision.
10201 if (lun == NULL || (val = ctl_get_opt(&lun->be_lun->options,
10202 "vendor")) == NULL) {
10203 strncpy(inq_ptr->vendor, CTL_VENDOR, sizeof(inq_ptr->vendor));
10205 memset(inq_ptr->vendor, ' ', sizeof(inq_ptr->vendor));
10206 strncpy(inq_ptr->vendor, val,
10207 min(sizeof(inq_ptr->vendor), strlen(val)));
10210 strncpy(inq_ptr->product, CTL_DIRECT_PRODUCT,
10211 sizeof(inq_ptr->product));
10212 } else if ((val = ctl_get_opt(&lun->be_lun->options, "product")) == NULL) {
10213 switch (lun->be_lun->lun_type) {
10215 strncpy(inq_ptr->product, CTL_DIRECT_PRODUCT,
10216 sizeof(inq_ptr->product));
10219 strncpy(inq_ptr->product, CTL_PROCESSOR_PRODUCT,
10220 sizeof(inq_ptr->product));
10223 strncpy(inq_ptr->product, CTL_CDROM_PRODUCT,
10224 sizeof(inq_ptr->product));
10227 strncpy(inq_ptr->product, CTL_UNKNOWN_PRODUCT,
10228 sizeof(inq_ptr->product));
10232 memset(inq_ptr->product, ' ', sizeof(inq_ptr->product));
10233 strncpy(inq_ptr->product, val,
10234 min(sizeof(inq_ptr->product), strlen(val)));
10238 * XXX make this a macro somewhere so it automatically gets
10239 * incremented when we make changes.
10241 if (lun == NULL || (val = ctl_get_opt(&lun->be_lun->options,
10242 "revision")) == NULL) {
10243 strncpy(inq_ptr->revision, "0001", sizeof(inq_ptr->revision));
10245 memset(inq_ptr->revision, ' ', sizeof(inq_ptr->revision));
10246 strncpy(inq_ptr->revision, val,
10247 min(sizeof(inq_ptr->revision), strlen(val)));
10251 * For parallel SCSI, we support double transition and single
10252 * transition clocking. We also support QAS (Quick Arbitration
10253 * and Selection) and Information Unit transfers on both the
10254 * control and array devices.
10256 if (port_type == CTL_PORT_SCSI)
10257 inq_ptr->spi3data = SID_SPI_CLOCK_DT_ST | SID_SPI_QAS |
10260 /* SAM-5 (no version claimed) */
10261 scsi_ulto2b(0x00A0, inq_ptr->version1);
10262 /* SPC-4 (no version claimed) */
10263 scsi_ulto2b(0x0460, inq_ptr->version2);
10264 if (port_type == CTL_PORT_FC) {
10265 /* FCP-2 ANSI INCITS.350:2003 */
10266 scsi_ulto2b(0x0917, inq_ptr->version3);
10267 } else if (port_type == CTL_PORT_SCSI) {
10268 /* SPI-4 ANSI INCITS.362:200x */
10269 scsi_ulto2b(0x0B56, inq_ptr->version3);
10270 } else if (port_type == CTL_PORT_ISCSI) {
10271 /* iSCSI (no version claimed) */
10272 scsi_ulto2b(0x0960, inq_ptr->version3);
10273 } else if (port_type == CTL_PORT_SAS) {
10274 /* SAS (no version claimed) */
10275 scsi_ulto2b(0x0BE0, inq_ptr->version3);
10279 /* SBC-4 (no version claimed) */
10280 scsi_ulto2b(0x0600, inq_ptr->version4);
10282 switch (lun->be_lun->lun_type) {
10284 /* SBC-4 (no version claimed) */
10285 scsi_ulto2b(0x0600, inq_ptr->version4);
10290 /* MMC-6 (no version claimed) */
10291 scsi_ulto2b(0x04E0, inq_ptr->version4);
10298 ctl_set_success(ctsio);
10299 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
10300 ctsio->be_move_done = ctl_config_move_done;
10301 ctl_datamove((union ctl_io *)ctsio);
10302 return (CTL_RETVAL_COMPLETE);
10306 ctl_inquiry(struct ctl_scsiio *ctsio)
10308 struct scsi_inquiry *cdb;
10311 CTL_DEBUG_PRINT(("ctl_inquiry\n"));
10313 cdb = (struct scsi_inquiry *)ctsio->cdb;
10314 if (cdb->byte2 & SI_EVPD)
10315 retval = ctl_inquiry_evpd(ctsio);
10316 else if (cdb->page_code == 0)
10317 retval = ctl_inquiry_std(ctsio);
10319 ctl_set_invalid_field(ctsio,
10325 ctl_done((union ctl_io *)ctsio);
10326 return (CTL_RETVAL_COMPLETE);
10333 ctl_get_config(struct ctl_scsiio *ctsio)
10335 struct scsi_get_config_header *hdr;
10336 struct scsi_get_config_feature *feature;
10337 struct scsi_get_config *cdb;
10338 struct ctl_lun *lun;
10339 uint32_t alloc_len, data_len;
10342 lun = ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
10343 cdb = (struct scsi_get_config *)ctsio->cdb;
10344 rt = (cdb->rt & SGC_RT_MASK);
10345 starting = scsi_2btoul(cdb->starting_feature);
10346 alloc_len = scsi_2btoul(cdb->length);
10348 data_len = sizeof(struct scsi_get_config_header) +
10349 sizeof(struct scsi_get_config_feature) + 8 +
10350 sizeof(struct scsi_get_config_feature) + 8 +
10351 sizeof(struct scsi_get_config_feature) + 4 +
10352 sizeof(struct scsi_get_config_feature) + 4 +
10353 sizeof(struct scsi_get_config_feature) + 8 +
10354 sizeof(struct scsi_get_config_feature) +
10355 sizeof(struct scsi_get_config_feature) + 4 +
10356 sizeof(struct scsi_get_config_feature) + 4 +
10357 sizeof(struct scsi_get_config_feature) + 4 +
10358 sizeof(struct scsi_get_config_feature) + 4 +
10359 sizeof(struct scsi_get_config_feature) + 4 +
10360 sizeof(struct scsi_get_config_feature) + 4;
10361 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
10362 ctsio->kern_sg_entries = 0;
10363 ctsio->kern_data_resid = 0;
10364 ctsio->kern_rel_offset = 0;
10366 hdr = (struct scsi_get_config_header *)ctsio->kern_data_ptr;
10367 if (lun->flags & CTL_LUN_NO_MEDIA)
10368 scsi_ulto2b(0x0000, hdr->current_profile);
10370 scsi_ulto2b(0x0010, hdr->current_profile);
10371 feature = (struct scsi_get_config_feature *)(hdr + 1);
10373 if (starting > 0x003b)
10375 if (starting > 0x003a)
10377 if (starting > 0x002b)
10379 if (starting > 0x002a)
10381 if (starting > 0x001f)
10383 if (starting > 0x001e)
10385 if (starting > 0x001d)
10387 if (starting > 0x0010)
10389 if (starting > 0x0003)
10391 if (starting > 0x0002)
10393 if (starting > 0x0001)
10395 if (starting > 0x0000)
10399 scsi_ulto2b(0x0000, feature->feature_code);
10400 feature->flags = SGC_F_PERSISTENT | SGC_F_CURRENT;
10401 feature->add_length = 8;
10402 scsi_ulto2b(0x0008, &feature->feature_data[0]); /* CD-ROM */
10403 feature->feature_data[2] = 0x00;
10404 scsi_ulto2b(0x0010, &feature->feature_data[4]); /* DVD-ROM */
10405 feature->feature_data[6] = 0x01;
10406 feature = (struct scsi_get_config_feature *)
10407 &feature->feature_data[feature->add_length];
10410 scsi_ulto2b(0x0001, feature->feature_code);
10411 feature->flags = 0x08 | SGC_F_PERSISTENT | SGC_F_CURRENT;
10412 feature->add_length = 8;
10413 scsi_ulto4b(0x00000000, &feature->feature_data[0]);
10414 feature->feature_data[4] = 0x03;
10415 feature = (struct scsi_get_config_feature *)
10416 &feature->feature_data[feature->add_length];
10419 scsi_ulto2b(0x0002, feature->feature_code);
10420 feature->flags = 0x04 | SGC_F_PERSISTENT | SGC_F_CURRENT;
10421 feature->add_length = 4;
10422 feature->feature_data[0] = 0x02;
10423 feature = (struct scsi_get_config_feature *)
10424 &feature->feature_data[feature->add_length];
10426 f3: /* Removable Medium */
10427 scsi_ulto2b(0x0003, feature->feature_code);
10428 feature->flags = 0x04 | SGC_F_PERSISTENT | SGC_F_CURRENT;
10429 feature->add_length = 4;
10430 feature->feature_data[0] = 0x39;
10431 feature = (struct scsi_get_config_feature *)
10432 &feature->feature_data[feature->add_length];
10434 if (rt == SGC_RT_CURRENT && (lun->flags & CTL_LUN_NO_MEDIA))
10437 f10: /* Random Read */
10438 scsi_ulto2b(0x0010, feature->feature_code);
10439 feature->flags = 0x00;
10440 if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
10441 feature->flags |= SGC_F_CURRENT;
10442 feature->add_length = 8;
10443 scsi_ulto4b(lun->be_lun->blocksize, &feature->feature_data[0]);
10444 scsi_ulto2b(1, &feature->feature_data[4]);
10445 feature->feature_data[6] = 0x00;
10446 feature = (struct scsi_get_config_feature *)
10447 &feature->feature_data[feature->add_length];
10449 f1d: /* Multi-Read */
10450 scsi_ulto2b(0x001D, feature->feature_code);
10451 feature->flags = 0x00;
10452 if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
10453 feature->flags |= SGC_F_CURRENT;
10454 feature->add_length = 0;
10455 feature = (struct scsi_get_config_feature *)
10456 &feature->feature_data[feature->add_length];
10459 scsi_ulto2b(0x001E, feature->feature_code);
10460 feature->flags = 0x00;
10461 if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
10462 feature->flags |= SGC_F_CURRENT;
10463 feature->add_length = 4;
10464 feature->feature_data[0] = 0x00;
10465 feature = (struct scsi_get_config_feature *)
10466 &feature->feature_data[feature->add_length];
10468 f1f: /* DVD Read */
10469 scsi_ulto2b(0x001F, feature->feature_code);
10470 feature->flags = 0x08;
10471 if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
10472 feature->flags |= SGC_F_CURRENT;
10473 feature->add_length = 4;
10474 feature->feature_data[0] = 0x01;
10475 feature->feature_data[2] = 0x03;
10476 feature = (struct scsi_get_config_feature *)
10477 &feature->feature_data[feature->add_length];
10480 scsi_ulto2b(0x002A, feature->feature_code);
10481 feature->flags = 0x04;
10482 if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
10483 feature->flags |= SGC_F_CURRENT;
10484 feature->add_length = 4;
10485 feature->feature_data[0] = 0x00;
10486 feature->feature_data[1] = 0x00;
10487 feature = (struct scsi_get_config_feature *)
10488 &feature->feature_data[feature->add_length];
10491 scsi_ulto2b(0x002B, feature->feature_code);
10492 feature->flags = 0x00;
10493 if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
10494 feature->flags |= SGC_F_CURRENT;
10495 feature->add_length = 4;
10496 feature->feature_data[0] = 0x00;
10497 feature = (struct scsi_get_config_feature *)
10498 &feature->feature_data[feature->add_length];
10500 f3a: /* DVD+RW Dual Layer */
10501 scsi_ulto2b(0x003A, feature->feature_code);
10502 feature->flags = 0x00;
10503 if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
10504 feature->flags |= SGC_F_CURRENT;
10505 feature->add_length = 4;
10506 feature->feature_data[0] = 0x00;
10507 feature->feature_data[1] = 0x00;
10508 feature = (struct scsi_get_config_feature *)
10509 &feature->feature_data[feature->add_length];
10511 f3b: /* DVD+R Dual Layer */
10512 scsi_ulto2b(0x003B, feature->feature_code);
10513 feature->flags = 0x00;
10514 if ((lun->flags & CTL_LUN_NO_MEDIA) == 0)
10515 feature->flags |= SGC_F_CURRENT;
10516 feature->add_length = 4;
10517 feature->feature_data[0] = 0x00;
10518 feature = (struct scsi_get_config_feature *)
10519 &feature->feature_data[feature->add_length];
10522 data_len = (uint8_t *)feature - (uint8_t *)hdr;
10523 if (rt == SGC_RT_SPECIFIC && data_len > 4) {
10524 feature = (struct scsi_get_config_feature *)(hdr + 1);
10525 if (scsi_2btoul(feature->feature_code) == starting)
10526 feature = (struct scsi_get_config_feature *)
10527 &feature->feature_data[feature->add_length];
10528 data_len = (uint8_t *)feature - (uint8_t *)hdr;
10530 scsi_ulto4b(data_len - 4, hdr->data_length);
10531 if (data_len < alloc_len) {
10532 ctsio->residual = alloc_len - data_len;
10533 ctsio->kern_data_len = data_len;
10534 ctsio->kern_total_len = data_len;
10536 ctsio->residual = 0;
10537 ctsio->kern_data_len = alloc_len;
10538 ctsio->kern_total_len = alloc_len;
10541 ctl_set_success(ctsio);
10542 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
10543 ctsio->be_move_done = ctl_config_move_done;
10544 ctl_datamove((union ctl_io *)ctsio);
10545 return (CTL_RETVAL_COMPLETE);
10549 ctl_get_event_status(struct ctl_scsiio *ctsio)
10551 struct scsi_get_event_status_header *hdr;
10552 struct scsi_get_event_status *cdb;
10553 struct ctl_lun *lun;
10554 uint32_t alloc_len, data_len;
10557 lun = ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
10558 cdb = (struct scsi_get_event_status *)ctsio->cdb;
10559 if ((cdb->byte2 & SGESN_POLLED) == 0) {
10560 ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1,
10561 /*field*/ 1, /*bit_valid*/ 1, /*bit*/ 0);
10562 ctl_done((union ctl_io *)ctsio);
10563 return (CTL_RETVAL_COMPLETE);
10565 notif_class = cdb->notif_class;
10566 alloc_len = scsi_2btoul(cdb->length);
10568 data_len = sizeof(struct scsi_get_event_status_header);
10569 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
10570 ctsio->kern_sg_entries = 0;
10571 ctsio->kern_data_resid = 0;
10572 ctsio->kern_rel_offset = 0;
10574 if (data_len < alloc_len) {
10575 ctsio->residual = alloc_len - data_len;
10576 ctsio->kern_data_len = data_len;
10577 ctsio->kern_total_len = data_len;
10579 ctsio->residual = 0;
10580 ctsio->kern_data_len = alloc_len;
10581 ctsio->kern_total_len = alloc_len;
10584 hdr = (struct scsi_get_event_status_header *)ctsio->kern_data_ptr;
10585 scsi_ulto2b(0, hdr->descr_length);
10586 hdr->nea_class = SGESN_NEA;
10587 hdr->supported_class = 0;
10589 ctl_set_success(ctsio);
10590 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
10591 ctsio->be_move_done = ctl_config_move_done;
10592 ctl_datamove((union ctl_io *)ctsio);
10593 return (CTL_RETVAL_COMPLETE);
10597 ctl_mechanism_status(struct ctl_scsiio *ctsio)
10599 struct scsi_mechanism_status_header *hdr;
10600 struct scsi_mechanism_status *cdb;
10601 struct ctl_lun *lun;
10602 uint32_t alloc_len, data_len;
10604 lun = ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
10605 cdb = (struct scsi_mechanism_status *)ctsio->cdb;
10606 alloc_len = scsi_2btoul(cdb->length);
10608 data_len = sizeof(struct scsi_mechanism_status_header);
10609 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
10610 ctsio->kern_sg_entries = 0;
10611 ctsio->kern_data_resid = 0;
10612 ctsio->kern_rel_offset = 0;
10614 if (data_len < alloc_len) {
10615 ctsio->residual = alloc_len - data_len;
10616 ctsio->kern_data_len = data_len;
10617 ctsio->kern_total_len = data_len;
10619 ctsio->residual = 0;
10620 ctsio->kern_data_len = alloc_len;
10621 ctsio->kern_total_len = alloc_len;
10624 hdr = (struct scsi_mechanism_status_header *)ctsio->kern_data_ptr;
10625 hdr->state1 = 0x00;
10626 hdr->state2 = 0xe0;
10627 scsi_ulto3b(0, hdr->lba);
10628 hdr->slots_num = 0;
10629 scsi_ulto2b(0, hdr->slots_length);
10631 ctl_set_success(ctsio);
10632 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
10633 ctsio->be_move_done = ctl_config_move_done;
10634 ctl_datamove((union ctl_io *)ctsio);
10635 return (CTL_RETVAL_COMPLETE);
10639 ctl_ultomsf(uint32_t lba, uint8_t *buf)
10644 buf[1] = bin2bcd((lba / 75) / 60);
10645 buf[2] = bin2bcd((lba / 75) % 60);
10646 buf[3] = bin2bcd(lba % 75);
10650 ctl_read_toc(struct ctl_scsiio *ctsio)
10652 struct scsi_read_toc_hdr *hdr;
10653 struct scsi_read_toc_type01_descr *descr;
10654 struct scsi_read_toc *cdb;
10655 struct ctl_lun *lun;
10656 uint32_t alloc_len, data_len;
10659 lun = ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
10660 cdb = (struct scsi_read_toc *)ctsio->cdb;
10661 msf = (cdb->byte2 & CD_MSF) != 0;
10662 format = cdb->format;
10663 alloc_len = scsi_2btoul(cdb->data_len);
10665 data_len = sizeof(struct scsi_read_toc_hdr);
10667 data_len += 2 * sizeof(struct scsi_read_toc_type01_descr);
10669 data_len += sizeof(struct scsi_read_toc_type01_descr);
10670 ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
10671 ctsio->kern_sg_entries = 0;
10672 ctsio->kern_data_resid = 0;
10673 ctsio->kern_rel_offset = 0;
10675 if (data_len < alloc_len) {
10676 ctsio->residual = alloc_len - data_len;
10677 ctsio->kern_data_len = data_len;
10678 ctsio->kern_total_len = data_len;
10680 ctsio->residual = 0;
10681 ctsio->kern_data_len = alloc_len;
10682 ctsio->kern_total_len = alloc_len;
10685 hdr = (struct scsi_read_toc_hdr *)ctsio->kern_data_ptr;
10687 scsi_ulto2b(0x12, hdr->data_length);
10690 descr = (struct scsi_read_toc_type01_descr *)(hdr + 1);
10691 descr->addr_ctl = 0x14;
10692 descr->track_number = 1;
10694 ctl_ultomsf(0, descr->track_start);
10696 scsi_ulto4b(0, descr->track_start);
10698 descr->addr_ctl = 0x14;
10699 descr->track_number = 0xaa;
10701 ctl_ultomsf(lun->be_lun->maxlba+1, descr->track_start);
10703 scsi_ulto4b(lun->be_lun->maxlba+1, descr->track_start);
10705 scsi_ulto2b(0x0a, hdr->data_length);
10708 descr = (struct scsi_read_toc_type01_descr *)(hdr + 1);
10709 descr->addr_ctl = 0x14;
10710 descr->track_number = 1;
10712 ctl_ultomsf(0, descr->track_start);
10714 scsi_ulto4b(0, descr->track_start);
10717 ctl_set_success(ctsio);
10718 ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
10719 ctsio->be_move_done = ctl_config_move_done;
10720 ctl_datamove((union ctl_io *)ctsio);
10721 return (CTL_RETVAL_COMPLETE);
10725 * For known CDB types, parse the LBA and length.
10728 ctl_get_lba_len(union ctl_io *io, uint64_t *lba, uint64_t *len)
10730 if (io->io_hdr.io_type != CTL_IO_SCSI)
10733 switch (io->scsiio.cdb[0]) {
10734 case COMPARE_AND_WRITE: {
10735 struct scsi_compare_and_write *cdb;
10737 cdb = (struct scsi_compare_and_write *)io->scsiio.cdb;
10739 *lba = scsi_8btou64(cdb->addr);
10740 *len = cdb->length;
10745 struct scsi_rw_6 *cdb;
10747 cdb = (struct scsi_rw_6 *)io->scsiio.cdb;
10749 *lba = scsi_3btoul(cdb->addr);
10750 /* only 5 bits are valid in the most significant address byte */
10752 *len = cdb->length;
10757 struct scsi_rw_10 *cdb;
10759 cdb = (struct scsi_rw_10 *)io->scsiio.cdb;
10761 *lba = scsi_4btoul(cdb->addr);
10762 *len = scsi_2btoul(cdb->length);
10765 case WRITE_VERIFY_10: {
10766 struct scsi_write_verify_10 *cdb;
10768 cdb = (struct scsi_write_verify_10 *)io->scsiio.cdb;
10770 *lba = scsi_4btoul(cdb->addr);
10771 *len = scsi_2btoul(cdb->length);
10776 struct scsi_rw_12 *cdb;
10778 cdb = (struct scsi_rw_12 *)io->scsiio.cdb;
10780 *lba = scsi_4btoul(cdb->addr);
10781 *len = scsi_4btoul(cdb->length);
10784 case WRITE_VERIFY_12: {
10785 struct scsi_write_verify_12 *cdb;
10787 cdb = (struct scsi_write_verify_12 *)io->scsiio.cdb;
10789 *lba = scsi_4btoul(cdb->addr);
10790 *len = scsi_4btoul(cdb->length);
10795 struct scsi_rw_16 *cdb;
10797 cdb = (struct scsi_rw_16 *)io->scsiio.cdb;
10799 *lba = scsi_8btou64(cdb->addr);
10800 *len = scsi_4btoul(cdb->length);
10803 case WRITE_ATOMIC_16: {
10804 struct scsi_write_atomic_16 *cdb;
10806 cdb = (struct scsi_write_atomic_16 *)io->scsiio.cdb;
10808 *lba = scsi_8btou64(cdb->addr);
10809 *len = scsi_2btoul(cdb->length);
10812 case WRITE_VERIFY_16: {
10813 struct scsi_write_verify_16 *cdb;
10815 cdb = (struct scsi_write_verify_16 *)io->scsiio.cdb;
10817 *lba = scsi_8btou64(cdb->addr);
10818 *len = scsi_4btoul(cdb->length);
10821 case WRITE_SAME_10: {
10822 struct scsi_write_same_10 *cdb;
10824 cdb = (struct scsi_write_same_10 *)io->scsiio.cdb;
10826 *lba = scsi_4btoul(cdb->addr);
10827 *len = scsi_2btoul(cdb->length);
10830 case WRITE_SAME_16: {
10831 struct scsi_write_same_16 *cdb;
10833 cdb = (struct scsi_write_same_16 *)io->scsiio.cdb;
10835 *lba = scsi_8btou64(cdb->addr);
10836 *len = scsi_4btoul(cdb->length);
10840 struct scsi_verify_10 *cdb;
10842 cdb = (struct scsi_verify_10 *)io->scsiio.cdb;
10844 *lba = scsi_4btoul(cdb->addr);
10845 *len = scsi_2btoul(cdb->length);
10849 struct scsi_verify_12 *cdb;
10851 cdb = (struct scsi_verify_12 *)io->scsiio.cdb;
10853 *lba = scsi_4btoul(cdb->addr);
10854 *len = scsi_4btoul(cdb->length);
10858 struct scsi_verify_16 *cdb;
10860 cdb = (struct scsi_verify_16 *)io->scsiio.cdb;
10862 *lba = scsi_8btou64(cdb->addr);
10863 *len = scsi_4btoul(cdb->length);
10871 case SERVICE_ACTION_IN: { /* GET LBA STATUS */
10872 struct scsi_get_lba_status *cdb;
10874 cdb = (struct scsi_get_lba_status *)io->scsiio.cdb;
10875 *lba = scsi_8btou64(cdb->addr);
10881 break; /* NOTREACHED */
10888 ctl_extent_check_lba(uint64_t lba1, uint64_t len1, uint64_t lba2, uint64_t len2,
10891 uint64_t endlba1, endlba2;
10893 endlba1 = lba1 + len1 - (seq ? 0 : 1);
10894 endlba2 = lba2 + len2 - 1;
10896 if ((endlba1 < lba2) || (endlba2 < lba1))
10897 return (CTL_ACTION_PASS);
10899 return (CTL_ACTION_BLOCK);
10903 ctl_extent_check_unmap(union ctl_io *io, uint64_t lba2, uint64_t len2)
10905 struct ctl_ptr_len_flags *ptrlen;
10906 struct scsi_unmap_desc *buf, *end, *range;
10910 /* If not UNMAP -- go other way. */
10911 if (io->io_hdr.io_type != CTL_IO_SCSI ||
10912 io->scsiio.cdb[0] != UNMAP)
10913 return (CTL_ACTION_ERROR);
10915 /* If UNMAP without data -- block and wait for data. */
10916 ptrlen = (struct ctl_ptr_len_flags *)
10917 &io->io_hdr.ctl_private[CTL_PRIV_LBA_LEN];
10918 if ((io->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0 ||
10919 ptrlen->ptr == NULL)
10920 return (CTL_ACTION_BLOCK);
10922 /* UNMAP with data -- check for collision. */
10923 buf = (struct scsi_unmap_desc *)ptrlen->ptr;
10924 end = buf + ptrlen->len / sizeof(*buf);
10925 for (range = buf; range < end; range++) {
10926 lba = scsi_8btou64(range->lba);
10927 len = scsi_4btoul(range->length);
10928 if ((lba < lba2 + len2) && (lba + len > lba2))
10929 return (CTL_ACTION_BLOCK);
10931 return (CTL_ACTION_PASS);
10935 ctl_extent_check(union ctl_io *io1, union ctl_io *io2, bool seq)
10937 uint64_t lba1, lba2;
10938 uint64_t len1, len2;
10941 if (ctl_get_lba_len(io2, &lba2, &len2) != 0)
10942 return (CTL_ACTION_ERROR);
10944 retval = ctl_extent_check_unmap(io1, lba2, len2);
10945 if (retval != CTL_ACTION_ERROR)
10948 if (ctl_get_lba_len(io1, &lba1, &len1) != 0)
10949 return (CTL_ACTION_ERROR);
10951 if (io1->io_hdr.flags & CTL_FLAG_SERSEQ_DONE)
10953 return (ctl_extent_check_lba(lba1, len1, lba2, len2, seq));
10957 ctl_extent_check_seq(union ctl_io *io1, union ctl_io *io2)
10959 uint64_t lba1, lba2;
10960 uint64_t len1, len2;
10962 if (io1->io_hdr.flags & CTL_FLAG_SERSEQ_DONE)
10963 return (CTL_ACTION_PASS);
10964 if (ctl_get_lba_len(io1, &lba1, &len1) != 0)
10965 return (CTL_ACTION_ERROR);
10966 if (ctl_get_lba_len(io2, &lba2, &len2) != 0)
10967 return (CTL_ACTION_ERROR);
10969 if (lba1 + len1 == lba2)
10970 return (CTL_ACTION_BLOCK);
10971 return (CTL_ACTION_PASS);
10975 ctl_check_for_blockage(struct ctl_lun *lun, union ctl_io *pending_io,
10976 union ctl_io *ooa_io)
10978 const struct ctl_cmd_entry *pending_entry, *ooa_entry;
10979 const ctl_serialize_action *serialize_row;
10982 * The initiator attempted multiple untagged commands at the same
10983 * time. Can't do that.
10985 if ((pending_io->scsiio.tag_type == CTL_TAG_UNTAGGED)
10986 && (ooa_io->scsiio.tag_type == CTL_TAG_UNTAGGED)
10987 && ((pending_io->io_hdr.nexus.targ_port ==
10988 ooa_io->io_hdr.nexus.targ_port)
10989 && (pending_io->io_hdr.nexus.initid ==
10990 ooa_io->io_hdr.nexus.initid))
10991 && ((ooa_io->io_hdr.flags & (CTL_FLAG_ABORT |
10992 CTL_FLAG_STATUS_SENT)) == 0))
10993 return (CTL_ACTION_OVERLAP);
10996 * The initiator attempted to send multiple tagged commands with
10997 * the same ID. (It's fine if different initiators have the same
11000 * Even if all of those conditions are true, we don't kill the I/O
11001 * if the command ahead of us has been aborted. We won't end up
11002 * sending it to the FETD, and it's perfectly legal to resend a
11003 * command with the same tag number as long as the previous
11004 * instance of this tag number has been aborted somehow.
11006 if ((pending_io->scsiio.tag_type != CTL_TAG_UNTAGGED)
11007 && (ooa_io->scsiio.tag_type != CTL_TAG_UNTAGGED)
11008 && (pending_io->scsiio.tag_num == ooa_io->scsiio.tag_num)
11009 && ((pending_io->io_hdr.nexus.targ_port ==
11010 ooa_io->io_hdr.nexus.targ_port)
11011 && (pending_io->io_hdr.nexus.initid ==
11012 ooa_io->io_hdr.nexus.initid))
11013 && ((ooa_io->io_hdr.flags & (CTL_FLAG_ABORT |
11014 CTL_FLAG_STATUS_SENT)) == 0))
11015 return (CTL_ACTION_OVERLAP_TAG);
11018 * If we get a head of queue tag, SAM-3 says that we should
11019 * immediately execute it.
11021 * What happens if this command would normally block for some other
11022 * reason? e.g. a request sense with a head of queue tag
11023 * immediately after a write. Normally that would block, but this
11024 * will result in its getting executed immediately...
11026 * We currently return "pass" instead of "skip", so we'll end up
11027 * going through the rest of the queue to check for overlapped tags.
11029 * XXX KDM check for other types of blockage first??
11031 if (pending_io->scsiio.tag_type == CTL_TAG_HEAD_OF_QUEUE)
11032 return (CTL_ACTION_PASS);
11035 * Ordered tags have to block until all items ahead of them
11036 * have completed. If we get called with an ordered tag, we always
11037 * block, if something else is ahead of us in the queue.
11039 if (pending_io->scsiio.tag_type == CTL_TAG_ORDERED)
11040 return (CTL_ACTION_BLOCK);
11043 * Simple tags get blocked until all head of queue and ordered tags
11044 * ahead of them have completed. I'm lumping untagged commands in
11045 * with simple tags here. XXX KDM is that the right thing to do?
11047 if (((pending_io->scsiio.tag_type == CTL_TAG_UNTAGGED)
11048 || (pending_io->scsiio.tag_type == CTL_TAG_SIMPLE))
11049 && ((ooa_io->scsiio.tag_type == CTL_TAG_HEAD_OF_QUEUE)
11050 || (ooa_io->scsiio.tag_type == CTL_TAG_ORDERED)))
11051 return (CTL_ACTION_BLOCK);
11053 pending_entry = ctl_get_cmd_entry(&pending_io->scsiio, NULL);
11054 KASSERT(pending_entry->seridx < CTL_SERIDX_COUNT,
11055 ("%s: Invalid seridx %d for pending CDB %02x %02x @ %p",
11056 __func__, pending_entry->seridx, pending_io->scsiio.cdb[0],
11057 pending_io->scsiio.cdb[1], pending_io));
11058 ooa_entry = ctl_get_cmd_entry(&ooa_io->scsiio, NULL);
11059 if (ooa_entry->seridx == CTL_SERIDX_INVLD)
11060 return (CTL_ACTION_PASS); /* Unsupported command in OOA queue */
11061 KASSERT(ooa_entry->seridx < CTL_SERIDX_COUNT,
11062 ("%s: Invalid seridx %d for ooa CDB %02x %02x @ %p",
11063 __func__, ooa_entry->seridx, ooa_io->scsiio.cdb[0],
11064 ooa_io->scsiio.cdb[1], ooa_io));
11066 serialize_row = ctl_serialize_table[ooa_entry->seridx];
11068 switch (serialize_row[pending_entry->seridx]) {
11069 case CTL_SER_BLOCK:
11070 return (CTL_ACTION_BLOCK);
11071 case CTL_SER_EXTENT:
11072 return (ctl_extent_check(ooa_io, pending_io,
11073 (lun->be_lun && lun->be_lun->serseq == CTL_LUN_SERSEQ_ON)));
11074 case CTL_SER_EXTENTOPT:
11075 if ((lun->MODE_CTRL.queue_flags & SCP_QUEUE_ALG_MASK) !=
11076 SCP_QUEUE_ALG_UNRESTRICTED)
11077 return (ctl_extent_check(ooa_io, pending_io,
11079 lun->be_lun->serseq == CTL_LUN_SERSEQ_ON)));
11080 return (CTL_ACTION_PASS);
11081 case CTL_SER_EXTENTSEQ:
11082 if (lun->be_lun && lun->be_lun->serseq != CTL_LUN_SERSEQ_OFF)
11083 return (ctl_extent_check_seq(ooa_io, pending_io));
11084 return (CTL_ACTION_PASS);
11086 return (CTL_ACTION_PASS);
11087 case CTL_SER_BLOCKOPT:
11088 if ((lun->MODE_CTRL.queue_flags & SCP_QUEUE_ALG_MASK) !=
11089 SCP_QUEUE_ALG_UNRESTRICTED)
11090 return (CTL_ACTION_BLOCK);
11091 return (CTL_ACTION_PASS);
11093 return (CTL_ACTION_SKIP);
11095 panic("%s: Invalid serialization value %d for %d => %d",
11096 __func__, serialize_row[pending_entry->seridx],
11097 pending_entry->seridx, ooa_entry->seridx);
11100 return (CTL_ACTION_ERROR);
11104 * Check for blockage or overlaps against the OOA (Order Of Arrival) queue.
11106 * - pending_io is generally either incoming, or on the blocked queue
11107 * - starting I/O is the I/O we want to start the check with.
11110 ctl_check_ooa(struct ctl_lun *lun, union ctl_io *pending_io,
11111 union ctl_io *starting_io)
11113 union ctl_io *ooa_io;
11116 mtx_assert(&lun->lun_lock, MA_OWNED);
11119 * Run back along the OOA queue, starting with the current
11120 * blocked I/O and going through every I/O before it on the
11121 * queue. If starting_io is NULL, we'll just end up returning
11124 for (ooa_io = starting_io; ooa_io != NULL;
11125 ooa_io = (union ctl_io *)TAILQ_PREV(&ooa_io->io_hdr, ctl_ooaq,
11129 * This routine just checks to see whether
11130 * cur_blocked is blocked by ooa_io, which is ahead
11131 * of it in the queue. It doesn't queue/dequeue
11134 action = ctl_check_for_blockage(lun, pending_io, ooa_io);
11136 case CTL_ACTION_BLOCK:
11137 case CTL_ACTION_OVERLAP:
11138 case CTL_ACTION_OVERLAP_TAG:
11139 case CTL_ACTION_SKIP:
11140 case CTL_ACTION_ERROR:
11142 break; /* NOTREACHED */
11143 case CTL_ACTION_PASS:
11146 panic("%s: Invalid action %d\n", __func__, action);
11150 return (CTL_ACTION_PASS);
11155 * - An I/O has just completed, and has been removed from the per-LUN OOA
11156 * queue, so some items on the blocked queue may now be unblocked.
11159 ctl_check_blocked(struct ctl_lun *lun)
11161 struct ctl_softc *softc = lun->ctl_softc;
11162 union ctl_io *cur_blocked, *next_blocked;
11164 mtx_assert(&lun->lun_lock, MA_OWNED);
11167 * Run forward from the head of the blocked queue, checking each
11168 * entry against the I/Os prior to it on the OOA queue to see if
11169 * there is still any blockage.
11171 * We cannot use the TAILQ_FOREACH() macro, because it can't deal
11172 * with our removing a variable on it while it is traversing the
11175 for (cur_blocked = (union ctl_io *)TAILQ_FIRST(&lun->blocked_queue);
11176 cur_blocked != NULL; cur_blocked = next_blocked) {
11177 union ctl_io *prev_ooa;
11180 next_blocked = (union ctl_io *)TAILQ_NEXT(&cur_blocked->io_hdr,
11183 prev_ooa = (union ctl_io *)TAILQ_PREV(&cur_blocked->io_hdr,
11184 ctl_ooaq, ooa_links);
11187 * If cur_blocked happens to be the first item in the OOA
11188 * queue now, prev_ooa will be NULL, and the action
11189 * returned will just be CTL_ACTION_PASS.
11191 action = ctl_check_ooa(lun, cur_blocked, prev_ooa);
11194 case CTL_ACTION_BLOCK:
11195 /* Nothing to do here, still blocked */
11197 case CTL_ACTION_OVERLAP:
11198 case CTL_ACTION_OVERLAP_TAG:
11200 * This shouldn't happen! In theory we've already
11201 * checked this command for overlap...
11204 case CTL_ACTION_PASS:
11205 case CTL_ACTION_SKIP: {
11206 const struct ctl_cmd_entry *entry;
11209 * The skip case shouldn't happen, this transaction
11210 * should have never made it onto the blocked queue.
11213 * This I/O is no longer blocked, we can remove it
11214 * from the blocked queue. Since this is a TAILQ
11215 * (doubly linked list), we can do O(1) removals
11216 * from any place on the list.
11218 TAILQ_REMOVE(&lun->blocked_queue, &cur_blocked->io_hdr,
11220 cur_blocked->io_hdr.flags &= ~CTL_FLAG_BLOCKED;
11222 if ((softc->ha_mode != CTL_HA_MODE_XFER) &&
11223 (cur_blocked->io_hdr.flags & CTL_FLAG_FROM_OTHER_SC)){
11225 * Need to send IO back to original side to
11228 union ctl_ha_msg msg_info;
11230 cur_blocked->io_hdr.flags &= ~CTL_FLAG_IO_ACTIVE;
11231 msg_info.hdr.original_sc =
11232 cur_blocked->io_hdr.original_sc;
11233 msg_info.hdr.serializing_sc = cur_blocked;
11234 msg_info.hdr.msg_type = CTL_MSG_R2R;
11235 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg_info,
11236 sizeof(msg_info.hdr), M_NOWAIT);
11239 entry = ctl_get_cmd_entry(&cur_blocked->scsiio, NULL);
11242 * Check this I/O for LUN state changes that may
11243 * have happened while this command was blocked.
11244 * The LUN state may have been changed by a command
11245 * ahead of us in the queue, so we need to re-check
11246 * for any states that can be caused by SCSI
11249 if (ctl_scsiio_lun_check(lun, entry,
11250 &cur_blocked->scsiio) == 0) {
11251 cur_blocked->io_hdr.flags |=
11252 CTL_FLAG_IS_WAS_ON_RTR;
11253 ctl_enqueue_rtr(cur_blocked);
11255 ctl_done(cur_blocked);
11260 * This probably shouldn't happen -- we shouldn't
11261 * get CTL_ACTION_ERROR, or anything else.
11267 return (CTL_RETVAL_COMPLETE);
11271 * This routine (with one exception) checks LUN flags that can be set by
11272 * commands ahead of us in the OOA queue. These flags have to be checked
11273 * when a command initially comes in, and when we pull a command off the
11274 * blocked queue and are preparing to execute it. The reason we have to
11275 * check these flags for commands on the blocked queue is that the LUN
11276 * state may have been changed by a command ahead of us while we're on the
11279 * Ordering is somewhat important with these checks, so please pay
11280 * careful attention to the placement of any new checks.
11283 ctl_scsiio_lun_check(struct ctl_lun *lun,
11284 const struct ctl_cmd_entry *entry, struct ctl_scsiio *ctsio)
11286 struct ctl_softc *softc = lun->ctl_softc;
11292 mtx_assert(&lun->lun_lock, MA_OWNED);
11295 * If this shelf is a secondary shelf controller, we may have to
11296 * reject some commands disallowed by HA mode and link state.
11298 if ((lun->flags & CTL_LUN_PRIMARY_SC) == 0) {
11299 if (softc->ha_link == CTL_HA_LINK_OFFLINE &&
11300 (entry->flags & CTL_CMD_FLAG_OK_ON_UNAVAIL) == 0) {
11301 ctl_set_lun_unavail(ctsio);
11305 if ((lun->flags & CTL_LUN_PEER_SC_PRIMARY) == 0 &&
11306 (entry->flags & CTL_CMD_FLAG_OK_ON_UNAVAIL) == 0) {
11307 ctl_set_lun_transit(ctsio);
11311 if (softc->ha_mode == CTL_HA_MODE_ACT_STBY &&
11312 (entry->flags & CTL_CMD_FLAG_OK_ON_STANDBY) == 0) {
11313 ctl_set_lun_standby(ctsio);
11318 /* The rest of checks are only done on executing side */
11319 if (softc->ha_mode == CTL_HA_MODE_XFER)
11323 if (entry->pattern & CTL_LUN_PAT_WRITE) {
11325 lun->be_lun->flags & CTL_LUN_FLAG_READONLY) {
11326 ctl_set_hw_write_protected(ctsio);
11330 if ((lun->MODE_CTRL.eca_and_aen & SCP_SWP) != 0) {
11331 ctl_set_sense(ctsio, /*current_error*/ 1,
11332 /*sense_key*/ SSD_KEY_DATA_PROTECT,
11333 /*asc*/ 0x27, /*ascq*/ 0x02, SSD_ELEM_NONE);
11340 * Check for a reservation conflict. If this command isn't allowed
11341 * even on reserved LUNs, and if this initiator isn't the one who
11342 * reserved us, reject the command with a reservation conflict.
11344 residx = ctl_get_initindex(&ctsio->io_hdr.nexus);
11345 if ((lun->flags & CTL_LUN_RESERVED)
11346 && ((entry->flags & CTL_CMD_FLAG_ALLOW_ON_RESV) == 0)) {
11347 if (lun->res_idx != residx) {
11348 ctl_set_reservation_conflict(ctsio);
11354 if ((lun->flags & CTL_LUN_PR_RESERVED) == 0 ||
11355 (entry->flags & CTL_CMD_FLAG_ALLOW_ON_PR_RESV)) {
11356 /* No reservation or command is allowed. */;
11357 } else if ((entry->flags & CTL_CMD_FLAG_ALLOW_ON_PR_WRESV) &&
11358 (lun->pr_res_type == SPR_TYPE_WR_EX ||
11359 lun->pr_res_type == SPR_TYPE_WR_EX_RO ||
11360 lun->pr_res_type == SPR_TYPE_WR_EX_AR)) {
11361 /* The command is allowed for Write Exclusive resv. */;
11364 * if we aren't registered or it's a res holder type
11365 * reservation and this isn't the res holder then set a
11368 if (ctl_get_prkey(lun, residx) == 0 ||
11369 (residx != lun->pr_res_idx && lun->pr_res_type < 4)) {
11370 ctl_set_reservation_conflict(ctsio);
11376 if ((entry->flags & CTL_CMD_FLAG_OK_ON_NO_MEDIA) == 0) {
11377 if (lun->flags & CTL_LUN_EJECTED)
11378 ctl_set_lun_ejected(ctsio);
11379 else if (lun->flags & CTL_LUN_NO_MEDIA) {
11380 if (lun->flags & CTL_LUN_REMOVABLE)
11381 ctl_set_lun_no_media(ctsio);
11383 ctl_set_lun_int_reqd(ctsio);
11384 } else if (lun->flags & CTL_LUN_STOPPED)
11385 ctl_set_lun_stopped(ctsio);
11397 ctl_failover_io(union ctl_io *io, int have_lock)
11399 ctl_set_busy(&io->scsiio);
11404 ctl_failover_lun(union ctl_io *rio)
11406 struct ctl_softc *softc = control_softc;
11407 struct ctl_lun *lun;
11408 struct ctl_io_hdr *io, *next_io;
11411 targ_lun = rio->io_hdr.nexus.targ_mapped_lun;
11412 CTL_DEBUG_PRINT(("FAILOVER for lun %ju\n", targ_lun));
11414 /* Find and lock the LUN. */
11415 mtx_lock(&softc->ctl_lock);
11416 if ((targ_lun < CTL_MAX_LUNS) &&
11417 ((lun = softc->ctl_luns[targ_lun]) != NULL)) {
11418 mtx_lock(&lun->lun_lock);
11419 mtx_unlock(&softc->ctl_lock);
11420 if (lun->flags & CTL_LUN_DISABLED) {
11421 mtx_unlock(&lun->lun_lock);
11425 mtx_unlock(&softc->ctl_lock);
11429 if (softc->ha_mode == CTL_HA_MODE_XFER) {
11430 TAILQ_FOREACH_SAFE(io, &lun->ooa_queue, ooa_links, next_io) {
11431 /* We are master */
11432 if (io->flags & CTL_FLAG_FROM_OTHER_SC) {
11433 if (io->flags & CTL_FLAG_IO_ACTIVE) {
11434 io->flags |= CTL_FLAG_ABORT;
11435 io->flags |= CTL_FLAG_FAILOVER;
11436 } else { /* This can be only due to DATAMOVE */
11437 io->msg_type = CTL_MSG_DATAMOVE_DONE;
11438 io->flags &= ~CTL_FLAG_DMA_INPROG;
11439 io->flags |= CTL_FLAG_IO_ACTIVE;
11440 io->port_status = 31340;
11441 ctl_enqueue_isc((union ctl_io *)io);
11445 if (io->flags & CTL_FLAG_SENT_2OTHER_SC) {
11446 io->flags &= ~CTL_FLAG_SENT_2OTHER_SC;
11447 if (io->flags & CTL_FLAG_IO_ACTIVE) {
11448 io->flags |= CTL_FLAG_FAILOVER;
11450 ctl_set_busy(&((union ctl_io *)io)->
11452 ctl_done((union ctl_io *)io);
11456 } else { /* SERIALIZE modes */
11457 TAILQ_FOREACH_SAFE(io, &lun->blocked_queue, blocked_links,
11459 /* We are master */
11460 if (io->flags & CTL_FLAG_FROM_OTHER_SC) {
11461 TAILQ_REMOVE(&lun->blocked_queue, io,
11463 io->flags &= ~CTL_FLAG_BLOCKED;
11464 TAILQ_REMOVE(&lun->ooa_queue, io, ooa_links);
11465 ctl_free_io((union ctl_io *)io);
11468 TAILQ_FOREACH_SAFE(io, &lun->ooa_queue, ooa_links, next_io) {
11469 /* We are master */
11470 if (io->flags & CTL_FLAG_FROM_OTHER_SC) {
11471 TAILQ_REMOVE(&lun->ooa_queue, io, ooa_links);
11472 ctl_free_io((union ctl_io *)io);
11475 if (io->flags & CTL_FLAG_SENT_2OTHER_SC) {
11476 io->flags &= ~CTL_FLAG_SENT_2OTHER_SC;
11477 if (!(io->flags & CTL_FLAG_IO_ACTIVE)) {
11478 ctl_set_busy(&((union ctl_io *)io)->
11480 ctl_done((union ctl_io *)io);
11484 ctl_check_blocked(lun);
11486 mtx_unlock(&lun->lun_lock);
11490 ctl_scsiio_precheck(struct ctl_softc *softc, struct ctl_scsiio *ctsio)
11492 struct ctl_lun *lun;
11493 const struct ctl_cmd_entry *entry;
11494 uint32_t initidx, targ_lun;
11501 targ_lun = ctsio->io_hdr.nexus.targ_mapped_lun;
11502 if ((targ_lun < CTL_MAX_LUNS)
11503 && ((lun = softc->ctl_luns[targ_lun]) != NULL)) {
11505 * If the LUN is invalid, pretend that it doesn't exist.
11506 * It will go away as soon as all pending I/O has been
11509 mtx_lock(&lun->lun_lock);
11510 if (lun->flags & CTL_LUN_DISABLED) {
11511 mtx_unlock(&lun->lun_lock);
11513 ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr = NULL;
11514 ctsio->io_hdr.ctl_private[CTL_PRIV_BACKEND_LUN].ptr = NULL;
11516 ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr = lun;
11517 ctsio->io_hdr.ctl_private[CTL_PRIV_BACKEND_LUN].ptr =
11521 * Every I/O goes into the OOA queue for a
11522 * particular LUN, and stays there until completion.
11525 if (TAILQ_EMPTY(&lun->ooa_queue)) {
11526 lun->idle_time += getsbinuptime() -
11530 TAILQ_INSERT_TAIL(&lun->ooa_queue, &ctsio->io_hdr,
11534 ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr = NULL;
11535 ctsio->io_hdr.ctl_private[CTL_PRIV_BACKEND_LUN].ptr = NULL;
11538 /* Get command entry and return error if it is unsuppotyed. */
11539 entry = ctl_validate_command(ctsio);
11540 if (entry == NULL) {
11542 mtx_unlock(&lun->lun_lock);
11546 ctsio->io_hdr.flags &= ~CTL_FLAG_DATA_MASK;
11547 ctsio->io_hdr.flags |= entry->flags & CTL_FLAG_DATA_MASK;
11550 * Check to see whether we can send this command to LUNs that don't
11551 * exist. This should pretty much only be the case for inquiry
11552 * and request sense. Further checks, below, really require having
11553 * a LUN, so we can't really check the command anymore. Just put
11554 * it on the rtr queue.
11557 if (entry->flags & CTL_CMD_FLAG_OK_ON_NO_LUN) {
11558 ctsio->io_hdr.flags |= CTL_FLAG_IS_WAS_ON_RTR;
11559 ctl_enqueue_rtr((union ctl_io *)ctsio);
11563 ctl_set_unsupported_lun(ctsio);
11564 ctl_done((union ctl_io *)ctsio);
11565 CTL_DEBUG_PRINT(("ctl_scsiio_precheck: bailing out due to invalid LUN\n"));
11569 * Make sure we support this particular command on this LUN.
11570 * e.g., we don't support writes to the control LUN.
11572 if (!ctl_cmd_applicable(lun->be_lun->lun_type, entry)) {
11573 mtx_unlock(&lun->lun_lock);
11574 ctl_set_invalid_opcode(ctsio);
11575 ctl_done((union ctl_io *)ctsio);
11580 initidx = ctl_get_initindex(&ctsio->io_hdr.nexus);
11584 * If we've got a request sense, it'll clear the contingent
11585 * allegiance condition. Otherwise, if we have a CA condition for
11586 * this initiator, clear it, because it sent down a command other
11587 * than request sense.
11589 if ((ctsio->cdb[0] != REQUEST_SENSE)
11590 && (ctl_is_set(lun->have_ca, initidx)))
11591 ctl_clear_mask(lun->have_ca, initidx);
11595 * If the command has this flag set, it handles its own unit
11596 * attention reporting, we shouldn't do anything. Otherwise we
11597 * check for any pending unit attentions, and send them back to the
11598 * initiator. We only do this when a command initially comes in,
11599 * not when we pull it off the blocked queue.
11601 * According to SAM-3, section 5.3.2, the order that things get
11602 * presented back to the host is basically unit attentions caused
11603 * by some sort of reset event, busy status, reservation conflicts
11604 * or task set full, and finally any other status.
11606 * One issue here is that some of the unit attentions we report
11607 * don't fall into the "reset" category (e.g. "reported luns data
11608 * has changed"). So reporting it here, before the reservation
11609 * check, may be technically wrong. I guess the only thing to do
11610 * would be to check for and report the reset events here, and then
11611 * check for the other unit attention types after we check for a
11612 * reservation conflict.
11614 * XXX KDM need to fix this
11616 if ((entry->flags & CTL_CMD_FLAG_NO_SENSE) == 0) {
11617 ctl_ua_type ua_type;
11619 ua_type = ctl_build_ua(lun, initidx, &ctsio->sense_data,
11621 if (ua_type != CTL_UA_NONE) {
11622 mtx_unlock(&lun->lun_lock);
11623 ctsio->scsi_status = SCSI_STATUS_CHECK_COND;
11624 ctsio->io_hdr.status = CTL_SCSI_ERROR | CTL_AUTOSENSE;
11625 ctsio->sense_len = SSD_FULL_SIZE;
11626 ctl_done((union ctl_io *)ctsio);
11632 if (ctl_scsiio_lun_check(lun, entry, ctsio) != 0) {
11633 mtx_unlock(&lun->lun_lock);
11634 ctl_done((union ctl_io *)ctsio);
11639 * XXX CHD this is where we want to send IO to other side if
11640 * this LUN is secondary on this SC. We will need to make a copy
11641 * of the IO and flag the IO on this side as SENT_2OTHER and the flag
11642 * the copy we send as FROM_OTHER.
11643 * We also need to stuff the address of the original IO so we can
11644 * find it easily. Something similar will need be done on the other
11645 * side so when we are done we can find the copy.
11647 if ((lun->flags & CTL_LUN_PRIMARY_SC) == 0 &&
11648 (lun->flags & CTL_LUN_PEER_SC_PRIMARY) != 0 &&
11649 (entry->flags & CTL_CMD_FLAG_RUN_HERE) == 0) {
11650 union ctl_ha_msg msg_info;
11653 ctsio->io_hdr.flags |= CTL_FLAG_SENT_2OTHER_SC;
11654 ctsio->io_hdr.flags &= ~CTL_FLAG_IO_ACTIVE;
11655 mtx_unlock(&lun->lun_lock);
11657 msg_info.hdr.msg_type = CTL_MSG_SERIALIZE;
11658 msg_info.hdr.original_sc = (union ctl_io *)ctsio;
11659 msg_info.hdr.serializing_sc = NULL;
11660 msg_info.hdr.nexus = ctsio->io_hdr.nexus;
11661 msg_info.scsi.tag_num = ctsio->tag_num;
11662 msg_info.scsi.tag_type = ctsio->tag_type;
11663 msg_info.scsi.cdb_len = ctsio->cdb_len;
11664 memcpy(msg_info.scsi.cdb, ctsio->cdb, CTL_MAX_CDBLEN);
11666 if ((isc_retval = ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg_info,
11667 sizeof(msg_info.scsi) - sizeof(msg_info.scsi.sense_data),
11668 M_WAITOK)) > CTL_HA_STATUS_SUCCESS) {
11669 ctl_set_busy(ctsio);
11670 ctl_done((union ctl_io *)ctsio);
11676 switch (ctl_check_ooa(lun, (union ctl_io *)ctsio,
11677 (union ctl_io *)TAILQ_PREV(&ctsio->io_hdr,
11678 ctl_ooaq, ooa_links))) {
11679 case CTL_ACTION_BLOCK:
11680 ctsio->io_hdr.flags |= CTL_FLAG_BLOCKED;
11681 TAILQ_INSERT_TAIL(&lun->blocked_queue, &ctsio->io_hdr,
11683 mtx_unlock(&lun->lun_lock);
11685 case CTL_ACTION_PASS:
11686 case CTL_ACTION_SKIP:
11687 ctsio->io_hdr.flags |= CTL_FLAG_IS_WAS_ON_RTR;
11688 mtx_unlock(&lun->lun_lock);
11689 ctl_enqueue_rtr((union ctl_io *)ctsio);
11691 case CTL_ACTION_OVERLAP:
11692 mtx_unlock(&lun->lun_lock);
11693 ctl_set_overlapped_cmd(ctsio);
11694 ctl_done((union ctl_io *)ctsio);
11696 case CTL_ACTION_OVERLAP_TAG:
11697 mtx_unlock(&lun->lun_lock);
11698 ctl_set_overlapped_tag(ctsio, ctsio->tag_num & 0xff);
11699 ctl_done((union ctl_io *)ctsio);
11701 case CTL_ACTION_ERROR:
11703 mtx_unlock(&lun->lun_lock);
11704 ctl_set_internal_failure(ctsio,
11706 /*retry_count*/ 0);
11707 ctl_done((union ctl_io *)ctsio);
11713 const struct ctl_cmd_entry *
11714 ctl_get_cmd_entry(struct ctl_scsiio *ctsio, int *sa)
11716 const struct ctl_cmd_entry *entry;
11717 int service_action;
11719 entry = &ctl_cmd_table[ctsio->cdb[0]];
11721 *sa = ((entry->flags & CTL_CMD_FLAG_SA5) != 0);
11722 if (entry->flags & CTL_CMD_FLAG_SA5) {
11723 service_action = ctsio->cdb[1] & SERVICE_ACTION_MASK;
11724 entry = &((const struct ctl_cmd_entry *)
11725 entry->execute)[service_action];
11730 const struct ctl_cmd_entry *
11731 ctl_validate_command(struct ctl_scsiio *ctsio)
11733 const struct ctl_cmd_entry *entry;
11737 entry = ctl_get_cmd_entry(ctsio, &sa);
11738 if (entry->execute == NULL) {
11740 ctl_set_invalid_field(ctsio,
11747 ctl_set_invalid_opcode(ctsio);
11748 ctl_done((union ctl_io *)ctsio);
11751 KASSERT(entry->length > 0,
11752 ("Not defined length for command 0x%02x/0x%02x",
11753 ctsio->cdb[0], ctsio->cdb[1]));
11754 for (i = 1; i < entry->length; i++) {
11755 diff = ctsio->cdb[i] & ~entry->usage[i - 1];
11758 ctl_set_invalid_field(ctsio,
11763 /*bit*/ fls(diff) - 1);
11764 ctl_done((union ctl_io *)ctsio);
11771 ctl_cmd_applicable(uint8_t lun_type, const struct ctl_cmd_entry *entry)
11774 switch (lun_type) {
11776 if ((entry->flags & CTL_CMD_FLAG_OK_ON_DIRECT) == 0)
11780 if ((entry->flags & CTL_CMD_FLAG_OK_ON_PROC) == 0)
11784 if ((entry->flags & CTL_CMD_FLAG_OK_ON_CDROM) == 0)
11794 ctl_scsiio(struct ctl_scsiio *ctsio)
11797 const struct ctl_cmd_entry *entry;
11799 retval = CTL_RETVAL_COMPLETE;
11801 CTL_DEBUG_PRINT(("ctl_scsiio cdb[0]=%02X\n", ctsio->cdb[0]));
11803 entry = ctl_get_cmd_entry(ctsio, NULL);
11806 * If this I/O has been aborted, just send it straight to
11807 * ctl_done() without executing it.
11809 if (ctsio->io_hdr.flags & CTL_FLAG_ABORT) {
11810 ctl_done((union ctl_io *)ctsio);
11815 * All the checks should have been handled by ctl_scsiio_precheck().
11816 * We should be clear now to just execute the I/O.
11818 retval = entry->execute(ctsio);
11825 * Since we only implement one target right now, a bus reset simply resets
11826 * our single target.
11829 ctl_bus_reset(struct ctl_softc *softc, union ctl_io *io)
11831 return(ctl_target_reset(softc, io, CTL_UA_BUS_RESET));
11835 ctl_target_reset(struct ctl_softc *softc, union ctl_io *io,
11836 ctl_ua_type ua_type)
11838 struct ctl_port *port;
11839 struct ctl_lun *lun;
11842 if (!(io->io_hdr.flags & CTL_FLAG_FROM_OTHER_SC)) {
11843 union ctl_ha_msg msg_info;
11845 msg_info.hdr.nexus = io->io_hdr.nexus;
11846 if (ua_type==CTL_UA_TARG_RESET)
11847 msg_info.task.task_action = CTL_TASK_TARGET_RESET;
11849 msg_info.task.task_action = CTL_TASK_BUS_RESET;
11850 msg_info.hdr.msg_type = CTL_MSG_MANAGE_TASKS;
11851 msg_info.hdr.original_sc = NULL;
11852 msg_info.hdr.serializing_sc = NULL;
11853 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg_info,
11854 sizeof(msg_info.task), M_WAITOK);
11858 mtx_lock(&softc->ctl_lock);
11859 port = ctl_io_port(&io->io_hdr);
11860 STAILQ_FOREACH(lun, &softc->lun_list, links) {
11861 if (port != NULL &&
11862 ctl_lun_map_to_port(port, lun->lun) >= CTL_MAX_LUNS)
11864 retval += ctl_do_lun_reset(lun, io, ua_type);
11866 mtx_unlock(&softc->ctl_lock);
11867 io->taskio.task_status = CTL_TASK_FUNCTION_COMPLETE;
11872 * The LUN should always be set. The I/O is optional, and is used to
11873 * distinguish between I/Os sent by this initiator, and by other
11874 * initiators. We set unit attention for initiators other than this one.
11875 * SAM-3 is vague on this point. It does say that a unit attention should
11876 * be established for other initiators when a LUN is reset (see section
11877 * 5.7.3), but it doesn't specifically say that the unit attention should
11878 * be established for this particular initiator when a LUN is reset. Here
11879 * is the relevant text, from SAM-3 rev 8:
11881 * 5.7.2 When a SCSI initiator port aborts its own tasks
11883 * When a SCSI initiator port causes its own task(s) to be aborted, no
11884 * notification that the task(s) have been aborted shall be returned to
11885 * the SCSI initiator port other than the completion response for the
11886 * command or task management function action that caused the task(s) to
11887 * be aborted and notification(s) associated with related effects of the
11888 * action (e.g., a reset unit attention condition).
11890 * XXX KDM for now, we're setting unit attention for all initiators.
11893 ctl_do_lun_reset(struct ctl_lun *lun, union ctl_io *io, ctl_ua_type ua_type)
11901 mtx_lock(&lun->lun_lock);
11903 * Run through the OOA queue and abort each I/O.
11905 for (xio = (union ctl_io *)TAILQ_FIRST(&lun->ooa_queue); xio != NULL;
11906 xio = (union ctl_io *)TAILQ_NEXT(&xio->io_hdr, ooa_links)) {
11907 xio->io_hdr.flags |= CTL_FLAG_ABORT | CTL_FLAG_ABORT_STATUS;
11911 * This version sets unit attention for every
11914 initidx = ctl_get_initindex(&io->io_hdr.nexus);
11915 ctl_est_ua_all(lun, initidx, ua_type);
11917 ctl_est_ua_all(lun, -1, ua_type);
11921 * A reset (any kind, really) clears reservations established with
11922 * RESERVE/RELEASE. It does not clear reservations established
11923 * with PERSISTENT RESERVE OUT, but we don't support that at the
11924 * moment anyway. See SPC-2, section 5.6. SPC-3 doesn't address
11925 * reservations made with the RESERVE/RELEASE commands, because
11926 * those commands are obsolete in SPC-3.
11928 lun->flags &= ~CTL_LUN_RESERVED;
11931 for (i = 0; i < CTL_MAX_INITIATORS; i++)
11932 ctl_clear_mask(lun->have_ca, i);
11934 lun->prevent_count = 0;
11935 for (i = 0; i < CTL_MAX_INITIATORS; i++)
11936 ctl_clear_mask(lun->prevent, i);
11937 mtx_unlock(&lun->lun_lock);
11943 ctl_lun_reset(struct ctl_softc *softc, union ctl_io *io)
11945 struct ctl_lun *lun;
11949 targ_lun = io->io_hdr.nexus.targ_mapped_lun;
11950 mtx_lock(&softc->ctl_lock);
11951 if ((targ_lun >= CTL_MAX_LUNS) ||
11952 (lun = softc->ctl_luns[targ_lun]) == NULL) {
11953 mtx_unlock(&softc->ctl_lock);
11954 io->taskio.task_status = CTL_TASK_LUN_DOES_NOT_EXIST;
11957 retval = ctl_do_lun_reset(lun, io, CTL_UA_LUN_RESET);
11958 mtx_unlock(&softc->ctl_lock);
11959 io->taskio.task_status = CTL_TASK_FUNCTION_COMPLETE;
11961 if ((io->io_hdr.flags & CTL_FLAG_FROM_OTHER_SC) == 0) {
11962 union ctl_ha_msg msg_info;
11964 msg_info.hdr.msg_type = CTL_MSG_MANAGE_TASKS;
11965 msg_info.hdr.nexus = io->io_hdr.nexus;
11966 msg_info.task.task_action = CTL_TASK_LUN_RESET;
11967 msg_info.hdr.original_sc = NULL;
11968 msg_info.hdr.serializing_sc = NULL;
11969 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg_info,
11970 sizeof(msg_info.task), M_WAITOK);
11976 ctl_abort_tasks_lun(struct ctl_lun *lun, uint32_t targ_port, uint32_t init_id,
11981 mtx_assert(&lun->lun_lock, MA_OWNED);
11984 * Run through the OOA queue and attempt to find the given I/O.
11985 * The target port, initiator ID, tag type and tag number have to
11986 * match the values that we got from the initiator. If we have an
11987 * untagged command to abort, simply abort the first untagged command
11988 * we come to. We only allow one untagged command at a time of course.
11990 for (xio = (union ctl_io *)TAILQ_FIRST(&lun->ooa_queue); xio != NULL;
11991 xio = (union ctl_io *)TAILQ_NEXT(&xio->io_hdr, ooa_links)) {
11993 if ((targ_port == UINT32_MAX ||
11994 targ_port == xio->io_hdr.nexus.targ_port) &&
11995 (init_id == UINT32_MAX ||
11996 init_id == xio->io_hdr.nexus.initid)) {
11997 if (targ_port != xio->io_hdr.nexus.targ_port ||
11998 init_id != xio->io_hdr.nexus.initid)
11999 xio->io_hdr.flags |= CTL_FLAG_ABORT_STATUS;
12000 xio->io_hdr.flags |= CTL_FLAG_ABORT;
12001 if (!other_sc && !(lun->flags & CTL_LUN_PRIMARY_SC)) {
12002 union ctl_ha_msg msg_info;
12004 msg_info.hdr.nexus = xio->io_hdr.nexus;
12005 msg_info.task.task_action = CTL_TASK_ABORT_TASK;
12006 msg_info.task.tag_num = xio->scsiio.tag_num;
12007 msg_info.task.tag_type = xio->scsiio.tag_type;
12008 msg_info.hdr.msg_type = CTL_MSG_MANAGE_TASKS;
12009 msg_info.hdr.original_sc = NULL;
12010 msg_info.hdr.serializing_sc = NULL;
12011 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg_info,
12012 sizeof(msg_info.task), M_NOWAIT);
12019 ctl_abort_task_set(union ctl_io *io)
12021 struct ctl_softc *softc = control_softc;
12022 struct ctl_lun *lun;
12028 targ_lun = io->io_hdr.nexus.targ_mapped_lun;
12029 mtx_lock(&softc->ctl_lock);
12030 if ((targ_lun >= CTL_MAX_LUNS) ||
12031 (lun = softc->ctl_luns[targ_lun]) == NULL) {
12032 mtx_unlock(&softc->ctl_lock);
12033 io->taskio.task_status = CTL_TASK_LUN_DOES_NOT_EXIST;
12037 mtx_lock(&lun->lun_lock);
12038 mtx_unlock(&softc->ctl_lock);
12039 if (io->taskio.task_action == CTL_TASK_ABORT_TASK_SET) {
12040 ctl_abort_tasks_lun(lun, io->io_hdr.nexus.targ_port,
12041 io->io_hdr.nexus.initid,
12042 (io->io_hdr.flags & CTL_FLAG_FROM_OTHER_SC) != 0);
12043 } else { /* CTL_TASK_CLEAR_TASK_SET */
12044 ctl_abort_tasks_lun(lun, UINT32_MAX, UINT32_MAX,
12045 (io->io_hdr.flags & CTL_FLAG_FROM_OTHER_SC) != 0);
12047 mtx_unlock(&lun->lun_lock);
12048 io->taskio.task_status = CTL_TASK_FUNCTION_COMPLETE;
12053 ctl_i_t_nexus_reset(union ctl_io *io)
12055 struct ctl_softc *softc = control_softc;
12056 struct ctl_lun *lun;
12059 if (!(io->io_hdr.flags & CTL_FLAG_FROM_OTHER_SC)) {
12060 union ctl_ha_msg msg_info;
12062 msg_info.hdr.nexus = io->io_hdr.nexus;
12063 msg_info.task.task_action = CTL_TASK_I_T_NEXUS_RESET;
12064 msg_info.hdr.msg_type = CTL_MSG_MANAGE_TASKS;
12065 msg_info.hdr.original_sc = NULL;
12066 msg_info.hdr.serializing_sc = NULL;
12067 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg_info,
12068 sizeof(msg_info.task), M_WAITOK);
12071 initidx = ctl_get_initindex(&io->io_hdr.nexus);
12072 mtx_lock(&softc->ctl_lock);
12073 STAILQ_FOREACH(lun, &softc->lun_list, links) {
12074 mtx_lock(&lun->lun_lock);
12075 ctl_abort_tasks_lun(lun, io->io_hdr.nexus.targ_port,
12076 io->io_hdr.nexus.initid, 1);
12078 ctl_clear_mask(lun->have_ca, initidx);
12080 if ((lun->flags & CTL_LUN_RESERVED) && (lun->res_idx == initidx))
12081 lun->flags &= ~CTL_LUN_RESERVED;
12082 if (ctl_is_set(lun->prevent, initidx)) {
12083 ctl_clear_mask(lun->prevent, initidx);
12084 lun->prevent_count--;
12086 ctl_est_ua(lun, initidx, CTL_UA_I_T_NEXUS_LOSS);
12087 mtx_unlock(&lun->lun_lock);
12089 mtx_unlock(&softc->ctl_lock);
12090 io->taskio.task_status = CTL_TASK_FUNCTION_COMPLETE;
12095 ctl_abort_task(union ctl_io *io)
12098 struct ctl_lun *lun;
12099 struct ctl_softc *softc;
12102 char printbuf[128];
12107 softc = control_softc;
12113 targ_lun = io->io_hdr.nexus.targ_mapped_lun;
12114 mtx_lock(&softc->ctl_lock);
12115 if ((targ_lun >= CTL_MAX_LUNS) ||
12116 (lun = softc->ctl_luns[targ_lun]) == NULL) {
12117 mtx_unlock(&softc->ctl_lock);
12118 io->taskio.task_status = CTL_TASK_LUN_DOES_NOT_EXIST;
12123 printf("ctl_abort_task: called for lun %lld, tag %d type %d\n",
12124 lun->lun, io->taskio.tag_num, io->taskio.tag_type);
12127 mtx_lock(&lun->lun_lock);
12128 mtx_unlock(&softc->ctl_lock);
12130 * Run through the OOA queue and attempt to find the given I/O.
12131 * The target port, initiator ID, tag type and tag number have to
12132 * match the values that we got from the initiator. If we have an
12133 * untagged command to abort, simply abort the first untagged command
12134 * we come to. We only allow one untagged command at a time of course.
12136 for (xio = (union ctl_io *)TAILQ_FIRST(&lun->ooa_queue); xio != NULL;
12137 xio = (union ctl_io *)TAILQ_NEXT(&xio->io_hdr, ooa_links)) {
12139 sbuf_new(&sb, printbuf, sizeof(printbuf), SBUF_FIXEDLEN);
12141 sbuf_printf(&sb, "LUN %lld tag %d type %d%s%s%s%s: ",
12142 lun->lun, xio->scsiio.tag_num,
12143 xio->scsiio.tag_type,
12144 (xio->io_hdr.blocked_links.tqe_prev
12145 == NULL) ? "" : " BLOCKED",
12146 (xio->io_hdr.flags &
12147 CTL_FLAG_DMA_INPROG) ? " DMA" : "",
12148 (xio->io_hdr.flags &
12149 CTL_FLAG_ABORT) ? " ABORT" : "",
12150 (xio->io_hdr.flags &
12151 CTL_FLAG_IS_WAS_ON_RTR ? " RTR" : ""));
12152 ctl_scsi_command_string(&xio->scsiio, NULL, &sb);
12154 printf("%s\n", sbuf_data(&sb));
12157 if ((xio->io_hdr.nexus.targ_port != io->io_hdr.nexus.targ_port)
12158 || (xio->io_hdr.nexus.initid != io->io_hdr.nexus.initid)
12159 || (xio->io_hdr.flags & CTL_FLAG_ABORT))
12163 * If the abort says that the task is untagged, the
12164 * task in the queue must be untagged. Otherwise,
12165 * we just check to see whether the tag numbers
12166 * match. This is because the QLogic firmware
12167 * doesn't pass back the tag type in an abort
12171 if (((xio->scsiio.tag_type == CTL_TAG_UNTAGGED)
12172 && (io->taskio.tag_type == CTL_TAG_UNTAGGED))
12173 || (xio->scsiio.tag_num == io->taskio.tag_num))
12176 * XXX KDM we've got problems with FC, because it
12177 * doesn't send down a tag type with aborts. So we
12178 * can only really go by the tag number...
12179 * This may cause problems with parallel SCSI.
12180 * Need to figure that out!!
12182 if (xio->scsiio.tag_num == io->taskio.tag_num) {
12183 xio->io_hdr.flags |= CTL_FLAG_ABORT;
12185 if ((io->io_hdr.flags & CTL_FLAG_FROM_OTHER_SC) == 0 &&
12186 !(lun->flags & CTL_LUN_PRIMARY_SC)) {
12187 union ctl_ha_msg msg_info;
12189 msg_info.hdr.nexus = io->io_hdr.nexus;
12190 msg_info.task.task_action = CTL_TASK_ABORT_TASK;
12191 msg_info.task.tag_num = io->taskio.tag_num;
12192 msg_info.task.tag_type = io->taskio.tag_type;
12193 msg_info.hdr.msg_type = CTL_MSG_MANAGE_TASKS;
12194 msg_info.hdr.original_sc = NULL;
12195 msg_info.hdr.serializing_sc = NULL;
12197 printf("Sent Abort to other side\n");
12199 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg_info,
12200 sizeof(msg_info.task), M_NOWAIT);
12203 printf("ctl_abort_task: found I/O to abort\n");
12207 mtx_unlock(&lun->lun_lock);
12211 * This isn't really an error. It's entirely possible for
12212 * the abort and command completion to cross on the wire.
12213 * This is more of an informative/diagnostic error.
12216 printf("ctl_abort_task: ABORT sent for nonexistent I/O: "
12217 "%u:%u:%u tag %d type %d\n",
12218 io->io_hdr.nexus.initid,
12219 io->io_hdr.nexus.targ_port,
12220 io->io_hdr.nexus.targ_lun, io->taskio.tag_num,
12221 io->taskio.tag_type);
12224 io->taskio.task_status = CTL_TASK_FUNCTION_COMPLETE;
12229 ctl_query_task(union ctl_io *io, int task_set)
12232 struct ctl_lun *lun;
12233 struct ctl_softc *softc;
12237 softc = control_softc;
12238 targ_lun = io->io_hdr.nexus.targ_mapped_lun;
12239 mtx_lock(&softc->ctl_lock);
12240 if ((targ_lun >= CTL_MAX_LUNS) ||
12241 (lun = softc->ctl_luns[targ_lun]) == NULL) {
12242 mtx_unlock(&softc->ctl_lock);
12243 io->taskio.task_status = CTL_TASK_LUN_DOES_NOT_EXIST;
12246 mtx_lock(&lun->lun_lock);
12247 mtx_unlock(&softc->ctl_lock);
12248 for (xio = (union ctl_io *)TAILQ_FIRST(&lun->ooa_queue); xio != NULL;
12249 xio = (union ctl_io *)TAILQ_NEXT(&xio->io_hdr, ooa_links)) {
12251 if ((xio->io_hdr.nexus.targ_port != io->io_hdr.nexus.targ_port)
12252 || (xio->io_hdr.nexus.initid != io->io_hdr.nexus.initid)
12253 || (xio->io_hdr.flags & CTL_FLAG_ABORT))
12256 if (task_set || xio->scsiio.tag_num == io->taskio.tag_num) {
12261 mtx_unlock(&lun->lun_lock);
12263 io->taskio.task_status = CTL_TASK_FUNCTION_SUCCEEDED;
12265 io->taskio.task_status = CTL_TASK_FUNCTION_COMPLETE;
12270 ctl_query_async_event(union ctl_io *io)
12272 struct ctl_lun *lun;
12273 struct ctl_softc *softc;
12275 uint32_t targ_lun, initidx;
12277 softc = control_softc;
12278 targ_lun = io->io_hdr.nexus.targ_mapped_lun;
12279 mtx_lock(&softc->ctl_lock);
12280 if ((targ_lun >= CTL_MAX_LUNS) ||
12281 (lun = softc->ctl_luns[targ_lun]) == NULL) {
12282 mtx_unlock(&softc->ctl_lock);
12283 io->taskio.task_status = CTL_TASK_LUN_DOES_NOT_EXIST;
12286 mtx_lock(&lun->lun_lock);
12287 mtx_unlock(&softc->ctl_lock);
12288 initidx = ctl_get_initindex(&io->io_hdr.nexus);
12289 ua = ctl_build_qae(lun, initidx, io->taskio.task_resp);
12290 mtx_unlock(&lun->lun_lock);
12291 if (ua != CTL_UA_NONE)
12292 io->taskio.task_status = CTL_TASK_FUNCTION_SUCCEEDED;
12294 io->taskio.task_status = CTL_TASK_FUNCTION_COMPLETE;
12299 ctl_run_task(union ctl_io *io)
12301 struct ctl_softc *softc = control_softc;
12304 CTL_DEBUG_PRINT(("ctl_run_task\n"));
12305 KASSERT(io->io_hdr.io_type == CTL_IO_TASK,
12306 ("ctl_run_task: Unextected io_type %d\n", io->io_hdr.io_type));
12307 io->taskio.task_status = CTL_TASK_FUNCTION_NOT_SUPPORTED;
12308 bzero(io->taskio.task_resp, sizeof(io->taskio.task_resp));
12309 switch (io->taskio.task_action) {
12310 case CTL_TASK_ABORT_TASK:
12311 retval = ctl_abort_task(io);
12313 case CTL_TASK_ABORT_TASK_SET:
12314 case CTL_TASK_CLEAR_TASK_SET:
12315 retval = ctl_abort_task_set(io);
12317 case CTL_TASK_CLEAR_ACA:
12319 case CTL_TASK_I_T_NEXUS_RESET:
12320 retval = ctl_i_t_nexus_reset(io);
12322 case CTL_TASK_LUN_RESET:
12323 retval = ctl_lun_reset(softc, io);
12325 case CTL_TASK_TARGET_RESET:
12326 retval = ctl_target_reset(softc, io, CTL_UA_TARG_RESET);
12328 case CTL_TASK_BUS_RESET:
12329 retval = ctl_bus_reset(softc, io);
12331 case CTL_TASK_PORT_LOGIN:
12333 case CTL_TASK_PORT_LOGOUT:
12335 case CTL_TASK_QUERY_TASK:
12336 retval = ctl_query_task(io, 0);
12338 case CTL_TASK_QUERY_TASK_SET:
12339 retval = ctl_query_task(io, 1);
12341 case CTL_TASK_QUERY_ASYNC_EVENT:
12342 retval = ctl_query_async_event(io);
12345 printf("%s: got unknown task management event %d\n",
12346 __func__, io->taskio.task_action);
12350 io->io_hdr.status = CTL_SUCCESS;
12352 io->io_hdr.status = CTL_ERROR;
12357 * For HA operation. Handle commands that come in from the other
12361 ctl_handle_isc(union ctl_io *io)
12364 struct ctl_lun *lun;
12365 struct ctl_softc *softc = control_softc;
12368 targ_lun = io->io_hdr.nexus.targ_mapped_lun;
12369 lun = softc->ctl_luns[targ_lun];
12371 switch (io->io_hdr.msg_type) {
12372 case CTL_MSG_SERIALIZE:
12373 free_io = ctl_serialize_other_sc_cmd(&io->scsiio);
12375 case CTL_MSG_R2R: {
12376 const struct ctl_cmd_entry *entry;
12379 * This is only used in SER_ONLY mode.
12382 entry = ctl_get_cmd_entry(&io->scsiio, NULL);
12383 mtx_lock(&lun->lun_lock);
12384 if (ctl_scsiio_lun_check(lun,
12385 entry, (struct ctl_scsiio *)io) != 0) {
12386 mtx_unlock(&lun->lun_lock);
12390 io->io_hdr.flags |= CTL_FLAG_IS_WAS_ON_RTR;
12391 mtx_unlock(&lun->lun_lock);
12392 ctl_enqueue_rtr(io);
12395 case CTL_MSG_FINISH_IO:
12396 if (softc->ha_mode == CTL_HA_MODE_XFER) {
12401 mtx_lock(&lun->lun_lock);
12402 TAILQ_REMOVE(&lun->ooa_queue, &io->io_hdr,
12404 ctl_check_blocked(lun);
12405 mtx_unlock(&lun->lun_lock);
12408 case CTL_MSG_PERS_ACTION:
12409 ctl_hndl_per_res_out_on_other_sc(
12410 (union ctl_ha_msg *)&io->presio.pr_msg);
12413 case CTL_MSG_BAD_JUJU:
12417 case CTL_MSG_DATAMOVE:
12418 /* Only used in XFER mode */
12420 ctl_datamove_remote(io);
12422 case CTL_MSG_DATAMOVE_DONE:
12423 /* Only used in XFER mode */
12425 io->scsiio.be_move_done(io);
12427 case CTL_MSG_FAILOVER:
12428 ctl_failover_lun(io);
12433 printf("%s: Invalid message type %d\n",
12434 __func__, io->io_hdr.msg_type);
12444 * Returns the match type in the case of a match, or CTL_LUN_PAT_NONE if
12445 * there is no match.
12447 static ctl_lun_error_pattern
12448 ctl_cmd_pattern_match(struct ctl_scsiio *ctsio, struct ctl_error_desc *desc)
12450 const struct ctl_cmd_entry *entry;
12451 ctl_lun_error_pattern filtered_pattern, pattern;
12453 pattern = desc->error_pattern;
12456 * XXX KDM we need more data passed into this function to match a
12457 * custom pattern, and we actually need to implement custom pattern
12460 if (pattern & CTL_LUN_PAT_CMD)
12461 return (CTL_LUN_PAT_CMD);
12463 if ((pattern & CTL_LUN_PAT_MASK) == CTL_LUN_PAT_ANY)
12464 return (CTL_LUN_PAT_ANY);
12466 entry = ctl_get_cmd_entry(ctsio, NULL);
12468 filtered_pattern = entry->pattern & pattern;
12471 * If the user requested specific flags in the pattern (e.g.
12472 * CTL_LUN_PAT_RANGE), make sure the command supports all of those
12475 * If the user did not specify any flags, it doesn't matter whether
12476 * or not the command supports the flags.
12478 if ((filtered_pattern & ~CTL_LUN_PAT_MASK) !=
12479 (pattern & ~CTL_LUN_PAT_MASK))
12480 return (CTL_LUN_PAT_NONE);
12483 * If the user asked for a range check, see if the requested LBA
12484 * range overlaps with this command's LBA range.
12486 if (filtered_pattern & CTL_LUN_PAT_RANGE) {
12492 retval = ctl_get_lba_len((union ctl_io *)ctsio, &lba1, &len1);
12494 return (CTL_LUN_PAT_NONE);
12496 action = ctl_extent_check_lba(lba1, len1, desc->lba_range.lba,
12497 desc->lba_range.len, FALSE);
12499 * A "pass" means that the LBA ranges don't overlap, so
12500 * this doesn't match the user's range criteria.
12502 if (action == CTL_ACTION_PASS)
12503 return (CTL_LUN_PAT_NONE);
12506 return (filtered_pattern);
12510 ctl_inject_error(struct ctl_lun *lun, union ctl_io *io)
12512 struct ctl_error_desc *desc, *desc2;
12514 mtx_assert(&lun->lun_lock, MA_OWNED);
12516 STAILQ_FOREACH_SAFE(desc, &lun->error_list, links, desc2) {
12517 ctl_lun_error_pattern pattern;
12519 * Check to see whether this particular command matches
12520 * the pattern in the descriptor.
12522 pattern = ctl_cmd_pattern_match(&io->scsiio, desc);
12523 if ((pattern & CTL_LUN_PAT_MASK) == CTL_LUN_PAT_NONE)
12526 switch (desc->lun_error & CTL_LUN_INJ_TYPE) {
12527 case CTL_LUN_INJ_ABORTED:
12528 ctl_set_aborted(&io->scsiio);
12530 case CTL_LUN_INJ_MEDIUM_ERR:
12531 ctl_set_medium_error(&io->scsiio,
12532 (io->io_hdr.flags & CTL_FLAG_DATA_MASK) !=
12533 CTL_FLAG_DATA_OUT);
12535 case CTL_LUN_INJ_UA:
12536 /* 29h/00h POWER ON, RESET, OR BUS DEVICE RESET
12538 ctl_set_ua(&io->scsiio, 0x29, 0x00);
12540 case CTL_LUN_INJ_CUSTOM:
12542 * We're assuming the user knows what he is doing.
12543 * Just copy the sense information without doing
12546 bcopy(&desc->custom_sense, &io->scsiio.sense_data,
12547 MIN(sizeof(desc->custom_sense),
12548 sizeof(io->scsiio.sense_data)));
12549 io->scsiio.scsi_status = SCSI_STATUS_CHECK_COND;
12550 io->scsiio.sense_len = SSD_FULL_SIZE;
12551 io->io_hdr.status = CTL_SCSI_ERROR | CTL_AUTOSENSE;
12553 case CTL_LUN_INJ_NONE:
12556 * If this is an error injection type we don't know
12557 * about, clear the continuous flag (if it is set)
12558 * so it will get deleted below.
12560 desc->lun_error &= ~CTL_LUN_INJ_CONTINUOUS;
12564 * By default, each error injection action is a one-shot
12566 if (desc->lun_error & CTL_LUN_INJ_CONTINUOUS)
12569 STAILQ_REMOVE(&lun->error_list, desc, ctl_error_desc, links);
12575 #ifdef CTL_IO_DELAY
12577 ctl_datamove_timer_wakeup(void *arg)
12581 io = (union ctl_io *)arg;
12585 #endif /* CTL_IO_DELAY */
12588 ctl_datamove(union ctl_io *io)
12590 struct ctl_lun *lun;
12591 void (*fe_datamove)(union ctl_io *io);
12593 mtx_assert(&control_softc->ctl_lock, MA_NOTOWNED);
12595 CTL_DEBUG_PRINT(("ctl_datamove\n"));
12597 lun = (struct ctl_lun *)io->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
12599 if ((time_uptime - io->io_hdr.start_time) > ctl_time_io_secs) {
12604 ctl_scsi_path_string(io, path_str, sizeof(path_str));
12605 sbuf_new(&sb, str, sizeof(str), SBUF_FIXEDLEN);
12607 sbuf_cat(&sb, path_str);
12608 switch (io->io_hdr.io_type) {
12610 ctl_scsi_command_string(&io->scsiio, NULL, &sb);
12611 sbuf_printf(&sb, "\n");
12612 sbuf_cat(&sb, path_str);
12613 sbuf_printf(&sb, "Tag: 0x%04x, type %d\n",
12614 io->scsiio.tag_num, io->scsiio.tag_type);
12617 sbuf_printf(&sb, "Task I/O type: %d, Tag: 0x%04x, "
12618 "Tag Type: %d\n", io->taskio.task_action,
12619 io->taskio.tag_num, io->taskio.tag_type);
12622 panic("%s: Invalid CTL I/O type %d\n",
12623 __func__, io->io_hdr.io_type);
12625 sbuf_cat(&sb, path_str);
12626 sbuf_printf(&sb, "ctl_datamove: %jd seconds\n",
12627 (intmax_t)time_uptime - io->io_hdr.start_time);
12629 printf("%s", sbuf_data(&sb));
12631 #endif /* CTL_TIME_IO */
12633 #ifdef CTL_IO_DELAY
12634 if (io->io_hdr.flags & CTL_FLAG_DELAY_DONE) {
12635 io->io_hdr.flags &= ~CTL_FLAG_DELAY_DONE;
12638 && (lun->delay_info.datamove_delay > 0)) {
12640 callout_init(&io->io_hdr.delay_callout, /*mpsafe*/ 1);
12641 io->io_hdr.flags |= CTL_FLAG_DELAY_DONE;
12642 callout_reset(&io->io_hdr.delay_callout,
12643 lun->delay_info.datamove_delay * hz,
12644 ctl_datamove_timer_wakeup, io);
12645 if (lun->delay_info.datamove_type ==
12646 CTL_DELAY_TYPE_ONESHOT)
12647 lun->delay_info.datamove_delay = 0;
12654 * This command has been aborted. Set the port status, so we fail
12657 if (io->io_hdr.flags & CTL_FLAG_ABORT) {
12658 printf("ctl_datamove: tag 0x%04x on (%u:%u:%u) aborted\n",
12659 io->scsiio.tag_num, io->io_hdr.nexus.initid,
12660 io->io_hdr.nexus.targ_port,
12661 io->io_hdr.nexus.targ_lun);
12662 io->io_hdr.port_status = 31337;
12664 * Note that the backend, in this case, will get the
12665 * callback in its context. In other cases it may get
12666 * called in the frontend's interrupt thread context.
12668 io->scsiio.be_move_done(io);
12672 /* Don't confuse frontend with zero length data move. */
12673 if (io->scsiio.kern_data_len == 0) {
12674 io->scsiio.be_move_done(io);
12678 fe_datamove = ctl_io_port(&io->io_hdr)->fe_datamove;
12683 ctl_send_datamove_done(union ctl_io *io, int have_lock)
12685 union ctl_ha_msg msg;
12687 struct bintime cur_bt;
12690 memset(&msg, 0, sizeof(msg));
12691 msg.hdr.msg_type = CTL_MSG_DATAMOVE_DONE;
12692 msg.hdr.original_sc = io;
12693 msg.hdr.serializing_sc = io->io_hdr.serializing_sc;
12694 msg.hdr.nexus = io->io_hdr.nexus;
12695 msg.hdr.status = io->io_hdr.status;
12696 msg.scsi.tag_num = io->scsiio.tag_num;
12697 msg.scsi.tag_type = io->scsiio.tag_type;
12698 msg.scsi.scsi_status = io->scsiio.scsi_status;
12699 memcpy(&msg.scsi.sense_data, &io->scsiio.sense_data,
12700 io->scsiio.sense_len);
12701 msg.scsi.sense_len = io->scsiio.sense_len;
12702 msg.scsi.sense_residual = io->scsiio.sense_residual;
12703 msg.scsi.fetd_status = io->io_hdr.port_status;
12704 msg.scsi.residual = io->scsiio.residual;
12705 io->io_hdr.flags &= ~CTL_FLAG_IO_ACTIVE;
12706 if (io->io_hdr.flags & CTL_FLAG_FAILOVER) {
12707 ctl_failover_io(io, /*have_lock*/ have_lock);
12710 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg,
12711 sizeof(msg.scsi) - sizeof(msg.scsi.sense_data) +
12712 msg.scsi.sense_len, M_WAITOK);
12715 getbinuptime(&cur_bt);
12716 bintime_sub(&cur_bt, &io->io_hdr.dma_start_bt);
12717 bintime_add(&io->io_hdr.dma_bt, &cur_bt);
12719 io->io_hdr.num_dmas++;
12723 * The DMA to the remote side is done, now we need to tell the other side
12724 * we're done so it can continue with its data movement.
12727 ctl_datamove_remote_write_cb(struct ctl_ha_dt_req *rq)
12734 if (rq->ret != CTL_HA_STATUS_SUCCESS) {
12735 printf("%s: ISC DMA write failed with error %d", __func__,
12737 ctl_set_internal_failure(&io->scsiio,
12739 /*retry_count*/ rq->ret);
12742 ctl_dt_req_free(rq);
12744 for (i = 0; i < io->scsiio.kern_sg_entries; i++)
12745 free(io->io_hdr.local_sglist[i].addr, M_CTL);
12746 free(io->io_hdr.remote_sglist, M_CTL);
12747 io->io_hdr.remote_sglist = NULL;
12748 io->io_hdr.local_sglist = NULL;
12751 * The data is in local and remote memory, so now we need to send
12752 * status (good or back) back to the other side.
12754 ctl_send_datamove_done(io, /*have_lock*/ 0);
12758 * We've moved the data from the host/controller into local memory. Now we
12759 * need to push it over to the remote controller's memory.
12762 ctl_datamove_remote_dm_write_cb(union ctl_io *io)
12766 retval = ctl_datamove_remote_xfer(io, CTL_HA_DT_CMD_WRITE,
12767 ctl_datamove_remote_write_cb);
12772 ctl_datamove_remote_write(union ctl_io *io)
12775 void (*fe_datamove)(union ctl_io *io);
12778 * - Get the data from the host/HBA into local memory.
12779 * - DMA memory from the local controller to the remote controller.
12780 * - Send status back to the remote controller.
12783 retval = ctl_datamove_remote_sgl_setup(io);
12787 /* Switch the pointer over so the FETD knows what to do */
12788 io->scsiio.kern_data_ptr = (uint8_t *)io->io_hdr.local_sglist;
12791 * Use a custom move done callback, since we need to send completion
12792 * back to the other controller, not to the backend on this side.
12794 io->scsiio.be_move_done = ctl_datamove_remote_dm_write_cb;
12796 fe_datamove = ctl_io_port(&io->io_hdr)->fe_datamove;
12801 ctl_datamove_remote_dm_read_cb(union ctl_io *io)
12810 for (i = 0; i < io->scsiio.kern_sg_entries; i++)
12811 free(io->io_hdr.local_sglist[i].addr, M_CTL);
12812 free(io->io_hdr.remote_sglist, M_CTL);
12813 io->io_hdr.remote_sglist = NULL;
12814 io->io_hdr.local_sglist = NULL;
12817 scsi_path_string(io, path_str, sizeof(path_str));
12818 sbuf_new(&sb, str, sizeof(str), SBUF_FIXEDLEN);
12819 sbuf_cat(&sb, path_str);
12820 scsi_command_string(&io->scsiio, NULL, &sb);
12821 sbuf_printf(&sb, "\n");
12822 sbuf_cat(&sb, path_str);
12823 sbuf_printf(&sb, "Tag: 0x%04x, type %d\n",
12824 io->scsiio.tag_num, io->scsiio.tag_type);
12825 sbuf_cat(&sb, path_str);
12826 sbuf_printf(&sb, "%s: flags %#x, status %#x\n", __func__,
12827 io->io_hdr.flags, io->io_hdr.status);
12829 printk("%s", sbuf_data(&sb));
12834 * The read is done, now we need to send status (good or bad) back
12835 * to the other side.
12837 ctl_send_datamove_done(io, /*have_lock*/ 0);
12843 ctl_datamove_remote_read_cb(struct ctl_ha_dt_req *rq)
12846 void (*fe_datamove)(union ctl_io *io);
12850 if (rq->ret != CTL_HA_STATUS_SUCCESS) {
12851 printf("%s: ISC DMA read failed with error %d\n", __func__,
12853 ctl_set_internal_failure(&io->scsiio,
12855 /*retry_count*/ rq->ret);
12858 ctl_dt_req_free(rq);
12860 /* Switch the pointer over so the FETD knows what to do */
12861 io->scsiio.kern_data_ptr = (uint8_t *)io->io_hdr.local_sglist;
12864 * Use a custom move done callback, since we need to send completion
12865 * back to the other controller, not to the backend on this side.
12867 io->scsiio.be_move_done = ctl_datamove_remote_dm_read_cb;
12869 /* XXX KDM add checks like the ones in ctl_datamove? */
12871 fe_datamove = ctl_io_port(&io->io_hdr)->fe_datamove;
12876 ctl_datamove_remote_sgl_setup(union ctl_io *io)
12878 struct ctl_sg_entry *local_sglist;
12879 uint32_t len_to_go;
12884 local_sglist = io->io_hdr.local_sglist;
12885 len_to_go = io->scsiio.kern_data_len;
12888 * The difficult thing here is that the size of the various
12889 * S/G segments may be different than the size from the
12890 * remote controller. That'll make it harder when DMAing
12891 * the data back to the other side.
12893 for (i = 0; len_to_go > 0; i++) {
12894 local_sglist[i].len = MIN(len_to_go, CTL_HA_DATAMOVE_SEGMENT);
12895 local_sglist[i].addr =
12896 malloc(local_sglist[i].len, M_CTL, M_WAITOK);
12898 len_to_go -= local_sglist[i].len;
12901 * Reset the number of S/G entries accordingly. The original
12902 * number of S/G entries is available in rem_sg_entries.
12904 io->scsiio.kern_sg_entries = i;
12907 printf("%s: kern_sg_entries = %d\n", __func__,
12908 io->scsiio.kern_sg_entries);
12909 for (i = 0; i < io->scsiio.kern_sg_entries; i++)
12910 printf("%s: sg[%d] = %p, %lu\n", __func__, i,
12911 local_sglist[i].addr, local_sglist[i].len);
12918 ctl_datamove_remote_xfer(union ctl_io *io, unsigned command,
12919 ctl_ha_dt_cb callback)
12921 struct ctl_ha_dt_req *rq;
12922 struct ctl_sg_entry *remote_sglist, *local_sglist;
12923 uint32_t local_used, remote_used, total_used;
12926 rq = ctl_dt_req_alloc();
12929 * If we failed to allocate the request, and if the DMA didn't fail
12930 * anyway, set busy status. This is just a resource allocation
12934 && ((io->io_hdr.status & CTL_STATUS_MASK) != CTL_STATUS_NONE &&
12935 (io->io_hdr.status & CTL_STATUS_MASK) != CTL_SUCCESS))
12936 ctl_set_busy(&io->scsiio);
12938 if ((io->io_hdr.status & CTL_STATUS_MASK) != CTL_STATUS_NONE &&
12939 (io->io_hdr.status & CTL_STATUS_MASK) != CTL_SUCCESS) {
12942 ctl_dt_req_free(rq);
12945 * The data move failed. We need to return status back
12946 * to the other controller. No point in trying to DMA
12947 * data to the remote controller.
12950 ctl_send_datamove_done(io, /*have_lock*/ 0);
12955 local_sglist = io->io_hdr.local_sglist;
12956 remote_sglist = io->io_hdr.remote_sglist;
12962 * Pull/push the data over the wire from/to the other controller.
12963 * This takes into account the possibility that the local and
12964 * remote sglists may not be identical in terms of the size of
12965 * the elements and the number of elements.
12967 * One fundamental assumption here is that the length allocated for
12968 * both the local and remote sglists is identical. Otherwise, we've
12969 * essentially got a coding error of some sort.
12971 isc_ret = CTL_HA_STATUS_SUCCESS;
12972 for (i = 0, j = 0; total_used < io->scsiio.kern_data_len; ) {
12976 rq->command = command;
12980 * Both pointers should be aligned. But it is possible
12981 * that the allocation length is not. They should both
12982 * also have enough slack left over at the end, though,
12983 * to round up to the next 8 byte boundary.
12985 cur_len = MIN(local_sglist[i].len - local_used,
12986 remote_sglist[j].len - remote_used);
12987 rq->size = cur_len;
12989 tmp_ptr = (uint8_t *)local_sglist[i].addr;
12990 tmp_ptr += local_used;
12993 /* Use physical addresses when talking to ISC hardware */
12994 if ((io->io_hdr.flags & CTL_FLAG_BUS_ADDR) == 0) {
12995 /* XXX KDM use busdma */
12996 rq->local = vtophys(tmp_ptr);
12998 rq->local = tmp_ptr;
13000 KASSERT((io->io_hdr.flags & CTL_FLAG_BUS_ADDR) == 0,
13001 ("HA does not support BUS_ADDR"));
13002 rq->local = tmp_ptr;
13005 tmp_ptr = (uint8_t *)remote_sglist[j].addr;
13006 tmp_ptr += remote_used;
13007 rq->remote = tmp_ptr;
13009 rq->callback = NULL;
13011 local_used += cur_len;
13012 if (local_used >= local_sglist[i].len) {
13017 remote_used += cur_len;
13018 if (remote_used >= remote_sglist[j].len) {
13022 total_used += cur_len;
13024 if (total_used >= io->scsiio.kern_data_len)
13025 rq->callback = callback;
13028 printf("%s: %s: local %p remote %p size %d\n", __func__,
13029 (command == CTL_HA_DT_CMD_WRITE) ? "WRITE" : "READ",
13030 rq->local, rq->remote, rq->size);
13033 isc_ret = ctl_dt_single(rq);
13034 if (isc_ret > CTL_HA_STATUS_SUCCESS)
13037 if (isc_ret != CTL_HA_STATUS_WAIT) {
13046 ctl_datamove_remote_read(union ctl_io *io)
13052 * This will send an error to the other controller in the case of a
13055 retval = ctl_datamove_remote_sgl_setup(io);
13059 retval = ctl_datamove_remote_xfer(io, CTL_HA_DT_CMD_READ,
13060 ctl_datamove_remote_read_cb);
13063 * Make sure we free memory if there was an error.. The
13064 * ctl_datamove_remote_xfer() function will send the
13065 * datamove done message, or call the callback with an
13066 * error if there is a problem.
13068 for (i = 0; i < io->scsiio.kern_sg_entries; i++)
13069 free(io->io_hdr.local_sglist[i].addr, M_CTL);
13070 free(io->io_hdr.remote_sglist, M_CTL);
13071 io->io_hdr.remote_sglist = NULL;
13072 io->io_hdr.local_sglist = NULL;
13077 * Process a datamove request from the other controller. This is used for
13078 * XFER mode only, not SER_ONLY mode. For writes, we DMA into local memory
13079 * first. Once that is complete, the data gets DMAed into the remote
13080 * controller's memory. For reads, we DMA from the remote controller's
13081 * memory into our memory first, and then move it out to the FETD.
13084 ctl_datamove_remote(union ctl_io *io)
13087 mtx_assert(&control_softc->ctl_lock, MA_NOTOWNED);
13089 if (io->io_hdr.flags & CTL_FLAG_FAILOVER) {
13090 ctl_failover_io(io, /*have_lock*/ 0);
13095 * Note that we look for an aborted I/O here, but don't do some of
13096 * the other checks that ctl_datamove() normally does.
13097 * We don't need to run the datamove delay code, since that should
13098 * have been done if need be on the other controller.
13100 if (io->io_hdr.flags & CTL_FLAG_ABORT) {
13101 printf("%s: tag 0x%04x on (%u:%u:%u) aborted\n", __func__,
13102 io->scsiio.tag_num, io->io_hdr.nexus.initid,
13103 io->io_hdr.nexus.targ_port,
13104 io->io_hdr.nexus.targ_lun);
13105 io->io_hdr.port_status = 31338;
13106 ctl_send_datamove_done(io, /*have_lock*/ 0);
13110 if ((io->io_hdr.flags & CTL_FLAG_DATA_MASK) == CTL_FLAG_DATA_OUT)
13111 ctl_datamove_remote_write(io);
13112 else if ((io->io_hdr.flags & CTL_FLAG_DATA_MASK) == CTL_FLAG_DATA_IN)
13113 ctl_datamove_remote_read(io);
13115 io->io_hdr.port_status = 31339;
13116 ctl_send_datamove_done(io, /*have_lock*/ 0);
13121 ctl_process_done(union ctl_io *io)
13123 struct ctl_lun *lun;
13124 struct ctl_softc *softc = control_softc;
13125 void (*fe_done)(union ctl_io *io);
13126 union ctl_ha_msg msg;
13127 uint32_t targ_port = io->io_hdr.nexus.targ_port;
13129 CTL_DEBUG_PRINT(("ctl_process_done\n"));
13130 fe_done = softc->ctl_ports[targ_port]->fe_done;
13133 if ((time_uptime - io->io_hdr.start_time) > ctl_time_io_secs) {
13138 ctl_scsi_path_string(io, path_str, sizeof(path_str));
13139 sbuf_new(&sb, str, sizeof(str), SBUF_FIXEDLEN);
13141 sbuf_cat(&sb, path_str);
13142 switch (io->io_hdr.io_type) {
13144 ctl_scsi_command_string(&io->scsiio, NULL, &sb);
13145 sbuf_printf(&sb, "\n");
13146 sbuf_cat(&sb, path_str);
13147 sbuf_printf(&sb, "Tag: 0x%04x, type %d\n",
13148 io->scsiio.tag_num, io->scsiio.tag_type);
13151 sbuf_printf(&sb, "Task I/O type: %d, Tag: 0x%04x, "
13152 "Tag Type: %d\n", io->taskio.task_action,
13153 io->taskio.tag_num, io->taskio.tag_type);
13156 panic("%s: Invalid CTL I/O type %d\n",
13157 __func__, io->io_hdr.io_type);
13159 sbuf_cat(&sb, path_str);
13160 sbuf_printf(&sb, "ctl_process_done: %jd seconds\n",
13161 (intmax_t)time_uptime - io->io_hdr.start_time);
13163 printf("%s", sbuf_data(&sb));
13165 #endif /* CTL_TIME_IO */
13167 switch (io->io_hdr.io_type) {
13171 if (ctl_debug & CTL_DEBUG_INFO)
13172 ctl_io_error_print(io, NULL);
13176 panic("%s: Invalid CTL I/O type %d\n",
13177 __func__, io->io_hdr.io_type);
13180 lun = (struct ctl_lun *)io->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
13182 CTL_DEBUG_PRINT(("NULL LUN for lun %d\n",
13183 io->io_hdr.nexus.targ_mapped_lun));
13187 mtx_lock(&lun->lun_lock);
13190 * Check to see if we have any informational exception and status
13191 * of this command can be modified to report it in form of either
13192 * RECOVERED ERROR or NO SENSE, depending on MRIE mode page field.
13194 if (lun->ie_reported == 0 && lun->ie_asc != 0 &&
13195 io->io_hdr.status == CTL_SUCCESS &&
13196 (io->io_hdr.flags & CTL_FLAG_STATUS_SENT) == 0) {
13197 uint8_t mrie = lun->MODE_IE.mrie;
13198 uint8_t per = ((lun->MODE_RWER.byte3 & SMS_RWER_PER) ||
13199 (lun->MODE_VER.byte3 & SMS_VER_PER));
13200 if (((mrie == SIEP_MRIE_REC_COND && per) ||
13201 mrie == SIEP_MRIE_REC_UNCOND ||
13202 mrie == SIEP_MRIE_NO_SENSE) &&
13203 (ctl_get_cmd_entry(&io->scsiio, NULL)->flags &
13204 CTL_CMD_FLAG_NO_SENSE) == 0) {
13205 ctl_set_sense(&io->scsiio,
13206 /*current_error*/ 1,
13207 /*sense_key*/ (mrie == SIEP_MRIE_NO_SENSE) ?
13208 SSD_KEY_NO_SENSE : SSD_KEY_RECOVERED_ERROR,
13209 /*asc*/ lun->ie_asc,
13210 /*ascq*/ lun->ie_ascq,
13212 lun->ie_reported = 1;
13214 } else if (lun->ie_reported < 0)
13215 lun->ie_reported = 0;
13218 * Check to see if we have any errors to inject here. We only
13219 * inject errors for commands that don't already have errors set.
13221 if (!STAILQ_EMPTY(&lun->error_list) &&
13222 ((io->io_hdr.status & CTL_STATUS_MASK) == CTL_SUCCESS) &&
13223 ((io->io_hdr.flags & CTL_FLAG_STATUS_SENT) == 0))
13224 ctl_inject_error(lun, io);
13227 * XXX KDM how do we treat commands that aren't completed
13230 * XXX KDM should we also track I/O latency?
13232 if ((io->io_hdr.status & CTL_STATUS_MASK) == CTL_SUCCESS &&
13233 io->io_hdr.io_type == CTL_IO_SCSI) {
13235 struct bintime cur_bt;
13239 if ((io->io_hdr.flags & CTL_FLAG_DATA_MASK) ==
13241 type = CTL_STATS_READ;
13242 else if ((io->io_hdr.flags & CTL_FLAG_DATA_MASK) ==
13244 type = CTL_STATS_WRITE;
13246 type = CTL_STATS_NO_IO;
13248 lun->stats.ports[targ_port].bytes[type] +=
13249 io->scsiio.kern_total_len;
13250 lun->stats.ports[targ_port].operations[type]++;
13252 bintime_add(&lun->stats.ports[targ_port].dma_time[type],
13253 &io->io_hdr.dma_bt);
13254 getbinuptime(&cur_bt);
13255 bintime_sub(&cur_bt, &io->io_hdr.start_bt);
13256 bintime_add(&lun->stats.ports[targ_port].time[type], &cur_bt);
13258 lun->stats.ports[targ_port].num_dmas[type] +=
13259 io->io_hdr.num_dmas;
13263 * Remove this from the OOA queue.
13265 TAILQ_REMOVE(&lun->ooa_queue, &io->io_hdr, ooa_links);
13267 if (TAILQ_EMPTY(&lun->ooa_queue))
13268 lun->last_busy = getsbinuptime();
13272 * Run through the blocked queue on this LUN and see if anything
13273 * has become unblocked, now that this transaction is done.
13275 ctl_check_blocked(lun);
13278 * If the LUN has been invalidated, free it if there is nothing
13279 * left on its OOA queue.
13281 if ((lun->flags & CTL_LUN_INVALID)
13282 && TAILQ_EMPTY(&lun->ooa_queue)) {
13283 mtx_unlock(&lun->lun_lock);
13284 mtx_lock(&softc->ctl_lock);
13286 mtx_unlock(&softc->ctl_lock);
13288 mtx_unlock(&lun->lun_lock);
13293 * If this command has been aborted, make sure we set the status
13294 * properly. The FETD is responsible for freeing the I/O and doing
13295 * whatever it needs to do to clean up its state.
13297 if (io->io_hdr.flags & CTL_FLAG_ABORT)
13298 ctl_set_task_aborted(&io->scsiio);
13301 * If enabled, print command error status.
13303 if ((io->io_hdr.status & CTL_STATUS_MASK) != CTL_SUCCESS &&
13304 (ctl_debug & CTL_DEBUG_INFO) != 0)
13305 ctl_io_error_print(io, NULL);
13308 * Tell the FETD or the other shelf controller we're done with this
13309 * command. Note that only SCSI commands get to this point. Task
13310 * management commands are completed above.
13312 if ((softc->ha_mode != CTL_HA_MODE_XFER) &&
13313 (io->io_hdr.flags & CTL_FLAG_SENT_2OTHER_SC)) {
13314 memset(&msg, 0, sizeof(msg));
13315 msg.hdr.msg_type = CTL_MSG_FINISH_IO;
13316 msg.hdr.serializing_sc = io->io_hdr.serializing_sc;
13317 msg.hdr.nexus = io->io_hdr.nexus;
13318 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg,
13319 sizeof(msg.scsi) - sizeof(msg.scsi.sense_data),
13328 * Front end should call this if it doesn't do autosense. When the request
13329 * sense comes back in from the initiator, we'll dequeue this and send it.
13332 ctl_queue_sense(union ctl_io *io)
13334 struct ctl_lun *lun;
13335 struct ctl_port *port;
13336 struct ctl_softc *softc;
13337 uint32_t initidx, targ_lun;
13339 softc = control_softc;
13341 CTL_DEBUG_PRINT(("ctl_queue_sense\n"));
13344 * LUN lookup will likely move to the ctl_work_thread() once we
13345 * have our new queueing infrastructure (that doesn't put things on
13346 * a per-LUN queue initially). That is so that we can handle
13347 * things like an INQUIRY to a LUN that we don't have enabled. We
13348 * can't deal with that right now.
13350 mtx_lock(&softc->ctl_lock);
13353 * If we don't have a LUN for this, just toss the sense
13356 port = ctl_io_port(&ctsio->io_hdr);
13357 targ_lun = ctl_lun_map_from_port(port, io->io_hdr.nexus.targ_lun);
13358 if ((targ_lun < CTL_MAX_LUNS)
13359 && (softc->ctl_luns[targ_lun] != NULL))
13360 lun = softc->ctl_luns[targ_lun];
13364 initidx = ctl_get_initindex(&io->io_hdr.nexus);
13366 mtx_lock(&lun->lun_lock);
13368 * Already have CA set for this LUN...toss the sense information.
13370 if (ctl_is_set(lun->have_ca, initidx)) {
13371 mtx_unlock(&lun->lun_lock);
13375 memcpy(&lun->pending_sense[initidx], &io->scsiio.sense_data,
13376 MIN(sizeof(lun->pending_sense[initidx]),
13377 sizeof(io->scsiio.sense_data)));
13378 ctl_set_mask(lun->have_ca, initidx);
13379 mtx_unlock(&lun->lun_lock);
13382 mtx_unlock(&softc->ctl_lock);
13386 return (CTL_RETVAL_COMPLETE);
13391 * Primary command inlet from frontend ports. All SCSI and task I/O
13392 * requests must go through this function.
13395 ctl_queue(union ctl_io *io)
13397 struct ctl_port *port;
13399 CTL_DEBUG_PRINT(("ctl_queue cdb[0]=%02X\n", io->scsiio.cdb[0]));
13402 io->io_hdr.start_time = time_uptime;
13403 getbinuptime(&io->io_hdr.start_bt);
13404 #endif /* CTL_TIME_IO */
13406 /* Map FE-specific LUN ID into global one. */
13407 port = ctl_io_port(&io->io_hdr);
13408 io->io_hdr.nexus.targ_mapped_lun =
13409 ctl_lun_map_from_port(port, io->io_hdr.nexus.targ_lun);
13411 switch (io->io_hdr.io_type) {
13414 if (ctl_debug & CTL_DEBUG_CDB)
13416 ctl_enqueue_incoming(io);
13419 printf("ctl_queue: unknown I/O type %d\n", io->io_hdr.io_type);
13423 return (CTL_RETVAL_COMPLETE);
13426 #ifdef CTL_IO_DELAY
13428 ctl_done_timer_wakeup(void *arg)
13432 io = (union ctl_io *)arg;
13435 #endif /* CTL_IO_DELAY */
13438 ctl_serseq_done(union ctl_io *io)
13440 struct ctl_lun *lun;
13442 lun = (struct ctl_lun *)io->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
13443 if (lun->be_lun == NULL ||
13444 lun->be_lun->serseq == CTL_LUN_SERSEQ_OFF)
13446 mtx_lock(&lun->lun_lock);
13447 io->io_hdr.flags |= CTL_FLAG_SERSEQ_DONE;
13448 ctl_check_blocked(lun);
13449 mtx_unlock(&lun->lun_lock);
13453 ctl_done(union ctl_io *io)
13457 * Enable this to catch duplicate completion issues.
13460 if (io->io_hdr.flags & CTL_FLAG_ALREADY_DONE) {
13461 printf("%s: type %d msg %d cdb %x iptl: "
13462 "%u:%u:%u tag 0x%04x "
13463 "flag %#x status %x\n",
13465 io->io_hdr.io_type,
13466 io->io_hdr.msg_type,
13468 io->io_hdr.nexus.initid,
13469 io->io_hdr.nexus.targ_port,
13470 io->io_hdr.nexus.targ_lun,
13471 (io->io_hdr.io_type ==
13473 io->taskio.tag_num :
13474 io->scsiio.tag_num,
13476 io->io_hdr.status);
13478 io->io_hdr.flags |= CTL_FLAG_ALREADY_DONE;
13482 * This is an internal copy of an I/O, and should not go through
13483 * the normal done processing logic.
13485 if (io->io_hdr.flags & CTL_FLAG_INT_COPY)
13488 #ifdef CTL_IO_DELAY
13489 if (io->io_hdr.flags & CTL_FLAG_DELAY_DONE) {
13490 io->io_hdr.flags &= ~CTL_FLAG_DELAY_DONE;
13492 struct ctl_lun *lun;
13494 lun =(struct ctl_lun *)io->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
13497 && (lun->delay_info.done_delay > 0)) {
13499 callout_init(&io->io_hdr.delay_callout, /*mpsafe*/ 1);
13500 io->io_hdr.flags |= CTL_FLAG_DELAY_DONE;
13501 callout_reset(&io->io_hdr.delay_callout,
13502 lun->delay_info.done_delay * hz,
13503 ctl_done_timer_wakeup, io);
13504 if (lun->delay_info.done_type == CTL_DELAY_TYPE_ONESHOT)
13505 lun->delay_info.done_delay = 0;
13509 #endif /* CTL_IO_DELAY */
13511 ctl_enqueue_done(io);
13515 ctl_work_thread(void *arg)
13517 struct ctl_thread *thr = (struct ctl_thread *)arg;
13518 struct ctl_softc *softc = thr->ctl_softc;
13522 CTL_DEBUG_PRINT(("ctl_work_thread starting\n"));
13526 * We handle the queues in this order:
13528 * - done queue (to free up resources, unblock other commands)
13532 * If those queues are empty, we break out of the loop and
13535 mtx_lock(&thr->queue_lock);
13536 io = (union ctl_io *)STAILQ_FIRST(&thr->isc_queue);
13538 STAILQ_REMOVE_HEAD(&thr->isc_queue, links);
13539 mtx_unlock(&thr->queue_lock);
13540 ctl_handle_isc(io);
13543 io = (union ctl_io *)STAILQ_FIRST(&thr->done_queue);
13545 STAILQ_REMOVE_HEAD(&thr->done_queue, links);
13546 /* clear any blocked commands, call fe_done */
13547 mtx_unlock(&thr->queue_lock);
13548 ctl_process_done(io);
13551 io = (union ctl_io *)STAILQ_FIRST(&thr->incoming_queue);
13553 STAILQ_REMOVE_HEAD(&thr->incoming_queue, links);
13554 mtx_unlock(&thr->queue_lock);
13555 if (io->io_hdr.io_type == CTL_IO_TASK)
13558 ctl_scsiio_precheck(softc, &io->scsiio);
13561 io = (union ctl_io *)STAILQ_FIRST(&thr->rtr_queue);
13563 STAILQ_REMOVE_HEAD(&thr->rtr_queue, links);
13564 mtx_unlock(&thr->queue_lock);
13565 retval = ctl_scsiio(&io->scsiio);
13566 if (retval != CTL_RETVAL_COMPLETE)
13567 CTL_DEBUG_PRINT(("ctl_scsiio failed\n"));
13571 /* Sleep until we have something to do. */
13572 mtx_sleep(thr, &thr->queue_lock, PDROP | PRIBIO, "-", 0);
13577 ctl_lun_thread(void *arg)
13579 struct ctl_softc *softc = (struct ctl_softc *)arg;
13580 struct ctl_be_lun *be_lun;
13582 CTL_DEBUG_PRINT(("ctl_lun_thread starting\n"));
13585 mtx_lock(&softc->ctl_lock);
13586 be_lun = STAILQ_FIRST(&softc->pending_lun_queue);
13587 if (be_lun != NULL) {
13588 STAILQ_REMOVE_HEAD(&softc->pending_lun_queue, links);
13589 mtx_unlock(&softc->ctl_lock);
13590 ctl_create_lun(be_lun);
13594 /* Sleep until we have something to do. */
13595 mtx_sleep(&softc->pending_lun_queue, &softc->ctl_lock,
13596 PDROP | PRIBIO, "-", 0);
13601 ctl_thresh_thread(void *arg)
13603 struct ctl_softc *softc = (struct ctl_softc *)arg;
13604 struct ctl_lun *lun;
13605 struct ctl_logical_block_provisioning_page *page;
13607 union ctl_ha_msg msg;
13608 uint64_t thres, val;
13611 CTL_DEBUG_PRINT(("ctl_thresh_thread starting\n"));
13614 mtx_lock(&softc->ctl_lock);
13615 STAILQ_FOREACH(lun, &softc->lun_list, links) {
13616 if ((lun->flags & CTL_LUN_DISABLED) ||
13617 (lun->flags & CTL_LUN_NO_MEDIA) ||
13618 lun->backend->lun_attr == NULL)
13620 if ((lun->flags & CTL_LUN_PRIMARY_SC) == 0 &&
13621 softc->ha_mode == CTL_HA_MODE_XFER)
13623 if ((lun->MODE_RWER.byte8 & SMS_RWER_LBPERE) == 0)
13626 page = &lun->MODE_LBP;
13627 for (i = 0; i < CTL_NUM_LBP_THRESH; i++) {
13628 if ((page->descr[i].flags & SLBPPD_ENABLED) == 0)
13630 thres = scsi_4btoul(page->descr[i].count);
13631 thres <<= CTL_LBP_EXPONENT;
13632 switch (page->descr[i].resource) {
13634 attr = "blocksavail";
13637 attr = "blocksused";
13640 attr = "poolblocksavail";
13643 attr = "poolblocksused";
13648 mtx_unlock(&softc->ctl_lock); // XXX
13649 val = lun->backend->lun_attr(
13650 lun->be_lun->be_lun, attr);
13651 mtx_lock(&softc->ctl_lock);
13652 if (val == UINT64_MAX)
13654 if ((page->descr[i].flags & SLBPPD_ARMING_MASK)
13655 == SLBPPD_ARMING_INC)
13656 e = (val >= thres);
13658 e = (val <= thres);
13662 mtx_lock(&lun->lun_lock);
13664 scsi_u64to8b((uint8_t *)&page->descr[i] -
13665 (uint8_t *)page, lun->ua_tpt_info);
13666 if (lun->lasttpt == 0 ||
13667 time_uptime - lun->lasttpt >= CTL_LBP_UA_PERIOD) {
13668 lun->lasttpt = time_uptime;
13669 ctl_est_ua_all(lun, -1, CTL_UA_THIN_PROV_THRES);
13675 ctl_clr_ua_all(lun, -1, CTL_UA_THIN_PROV_THRES);
13678 mtx_unlock(&lun->lun_lock);
13680 lun->ctl_softc->ha_mode == CTL_HA_MODE_XFER) {
13681 /* Send msg to other side. */
13682 bzero(&msg.ua, sizeof(msg.ua));
13683 msg.hdr.msg_type = CTL_MSG_UA;
13684 msg.hdr.nexus.initid = -1;
13685 msg.hdr.nexus.targ_port = -1;
13686 msg.hdr.nexus.targ_lun = lun->lun;
13687 msg.hdr.nexus.targ_mapped_lun = lun->lun;
13689 msg.ua.ua_set = (set > 0);
13690 msg.ua.ua_type = CTL_UA_THIN_PROV_THRES;
13691 memcpy(msg.ua.ua_info, lun->ua_tpt_info, 8);
13692 mtx_unlock(&softc->ctl_lock); // XXX
13693 ctl_ha_msg_send(CTL_HA_CHAN_CTL, &msg,
13694 sizeof(msg.ua), M_WAITOK);
13695 mtx_lock(&softc->ctl_lock);
13698 mtx_unlock(&softc->ctl_lock);
13699 pause("-", CTL_LBP_PERIOD * hz);
13704 ctl_enqueue_incoming(union ctl_io *io)
13706 struct ctl_softc *softc = control_softc;
13707 struct ctl_thread *thr;
13710 idx = (io->io_hdr.nexus.targ_port * 127 +
13711 io->io_hdr.nexus.initid) % worker_threads;
13712 thr = &softc->threads[idx];
13713 mtx_lock(&thr->queue_lock);
13714 STAILQ_INSERT_TAIL(&thr->incoming_queue, &io->io_hdr, links);
13715 mtx_unlock(&thr->queue_lock);
13720 ctl_enqueue_rtr(union ctl_io *io)
13722 struct ctl_softc *softc = control_softc;
13723 struct ctl_thread *thr;
13725 thr = &softc->threads[io->io_hdr.nexus.targ_mapped_lun % worker_threads];
13726 mtx_lock(&thr->queue_lock);
13727 STAILQ_INSERT_TAIL(&thr->rtr_queue, &io->io_hdr, links);
13728 mtx_unlock(&thr->queue_lock);
13733 ctl_enqueue_done(union ctl_io *io)
13735 struct ctl_softc *softc = control_softc;
13736 struct ctl_thread *thr;
13738 thr = &softc->threads[io->io_hdr.nexus.targ_mapped_lun % worker_threads];
13739 mtx_lock(&thr->queue_lock);
13740 STAILQ_INSERT_TAIL(&thr->done_queue, &io->io_hdr, links);
13741 mtx_unlock(&thr->queue_lock);
13746 ctl_enqueue_isc(union ctl_io *io)
13748 struct ctl_softc *softc = control_softc;
13749 struct ctl_thread *thr;
13751 thr = &softc->threads[io->io_hdr.nexus.targ_mapped_lun % worker_threads];
13752 mtx_lock(&thr->queue_lock);
13753 STAILQ_INSERT_TAIL(&thr->isc_queue, &io->io_hdr, links);
13754 mtx_unlock(&thr->queue_lock);