2 * Copyright (c) 2001 Michael Smith
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * Structure and I/O definitions for the Command Interface for SCSI-3 Support.
32 * Data in command CDBs are in big-endian format. All other data is little-endian.
33 * This header only supports little-endian hosts at this time.
36 union ciss_device_address
38 struct /* MODE_PERIPHERAL and MODE_MASK_PERIPHERAL */
40 u_int32_t target:24; /* SCSI target */
41 u_int32_t bus:6; /* SCSI bus */
42 u_int32_t mode:2; /* CISS_HDR_ADDRESS_MODE_* */
43 u_int32_t extra_address; /* SCSI-3 level-2 and level-3 address bytes */
45 struct /* MODE_LOGICAL */
47 u_int32_t lun:30; /* logical device ID */
48 u_int32_t mode:2; /* CISS_HDR_ADDRESS_MODE_LOGICAL */
49 u_int32_t :32; /* reserved */
58 #define CISS_HDR_ADDRESS_MODE_PERIPHERAL 0x0
59 #define CISS_HDR_ADDRESS_MODE_LOGICAL 0x1
60 #define CISS_HDR_ADDRESS_MODE_MASK_PERIPHERAL 0x3
62 #define CISS_EXTRA_MODE2(extra) ((extra & 0xc0000000) >> 30)
63 #define CISS_EXTRA_BUS2(extra) ((extra & 0x3f000000) >> 24)
64 #define CISS_EXTRA_TARGET2(extra) ((extra & 0x00ff0000) >> 16)
65 #define CISS_EXTRA_MODE3(extra) ((extra & 0x0000c000) >> 14)
66 #define CISS_EXTRA_BUS3(extra) ((extra & 0x00003f00) >> 8)
67 #define CISS_EXTRA_TARGET3(extra) ((extra & 0x000000ff))
71 u_int8_t :8; /* reserved */
72 u_int8_t sg_in_list; /* SG's in the command structure */
73 u_int16_t sg_total; /* total count of SGs for this command */
74 u_int32_t host_tag; /* host identifier, bits 0&1 must be clear */
75 #define CISS_HDR_HOST_TAG_ERROR (1<<1)
76 u_int32_t host_tag_zeroes; /* tag is 64 bits, but interface only supports 32 */
77 union ciss_device_address address;
82 u_int8_t cdb_length; /* valid CDB bytes */
84 #define CISS_CDB_TYPE_COMMAND 0
85 #define CISS_CDB_TYPE_MESSAGE 1
87 #define CISS_CDB_ATTRIBUTE_UNTAGGED 0
88 #define CISS_CDB_ATTRIBUTE_SIMPLE 4
89 #define CISS_CDB_ATTRIBUTE_HEAD_OF_QUEUE 5
90 #define CISS_CDB_ATTRIBUTE_ORDERED 6
91 #define CISS_CDB_ATTRIBUTE_AUTO_CONTINGENT 7
93 #define CISS_CDB_DIRECTION_NONE 0
94 #define CISS_CDB_DIRECTION_WRITE 1
95 #define CISS_CDB_DIRECTION_READ 2
96 u_int16_t timeout; /* seconds */
97 #define CISS_CDB_BUFFER_SIZE 16
98 u_int8_t cdb[CISS_CDB_BUFFER_SIZE];
101 struct ciss_error_info_pointer
103 u_int64_t error_info_address; /* points to ciss_error_info structure */
104 u_int32_t error_info_length;
107 struct ciss_error_info
109 u_int8_t scsi_status;
110 #define CISS_SCSI_STATUS_GOOD 0x00 /* these are scsi-standard values */
111 #define CISS_SCSI_STATUS_CHECK_CONDITION 0x02
112 #define CISS_SCSI_STATUS_CONDITION_MET 0x04
113 #define CISS_SCSI_STATUS_BUSY 0x08
114 #define CISS_SCSI_STATUS_INDETERMINATE 0x10
115 #define CISS_SCSI_STATUS_INDETERMINATE_CM 0x14
116 #define CISS_SCSI_STATUS_RESERVATION_CONFLICT 0x18
117 #define CISS_SCSI_STATUS_COMMAND_TERMINATED 0x22
118 #define CISS_SCSI_STATUS_QUEUE_FULL 0x28
119 #define CISS_SCSI_STATUS_ACA_ACTIVE 0x30
120 u_int8_t sense_length;
121 u_int16_t command_status;
122 #define CISS_CMD_STATUS_SUCCESS 0
123 #define CISS_CMD_STATUS_TARGET_STATUS 1
124 #define CISS_CMD_STATUS_DATA_UNDERRUN 2
125 #define CISS_CMD_STATUS_DATA_OVERRUN 3
126 #define CISS_CMD_STATUS_INVALID_COMMAND 4
127 #define CISS_CMD_STATUS_PROTOCOL_ERROR 5
128 #define CISS_CMD_STATUS_HARDWARE_ERROR 6
129 #define CISS_CMD_STATUS_CONNECTION_LOST 7
130 #define CISS_CMD_STATUS_ABORTED 8
131 #define CISS_CMD_STATUS_ABORT_FAILED 9
132 #define CISS_CMD_STATUS_UNSOLICITED_ABORT 10
133 #define CISS_CMD_STATUS_TIMEOUT 11
134 #define CISS_CMD_STATUS_UNABORTABLE 12
135 u_int32_t residual_count;
140 u_int32_t error_info;
141 } __packed common_info;
144 u_int8_t offense_size;
145 u_int8_t offense_offset;
146 u_int32_t offense_value;
147 } __packed invalid_command;
148 } additional_error_info;
149 u_int8_t sense_info[0];
155 #define CISS_SG_ADDRESS_BITBUCKET (~(u_int64_t)0)
158 u_int32_t extension:1; /* address points to another s/g chain */
163 struct ciss_header header;
165 struct ciss_error_info_pointer error_info;
166 struct ciss_sg_entry sg[0];
169 #define CISS_OPCODE_REPORT_LOGICAL_LUNS 0xc2
170 #define CISS_OPCODE_REPORT_PHYSICAL_LUNS 0xc3
172 struct ciss_lun_report
174 u_int32_t list_size; /* big-endian */
176 union ciss_device_address lun[0];
179 #define CISS_VPD_LOGICAL_DRIVE_GEOMETRY 0xc1
180 struct ciss_ldrive_geometry
182 u_int8_t periph_qualifier:3;
183 u_int8_t periph_devtype:5;
186 u_int8_t page_length;
187 u_int16_t cylinders; /* big-endian */
190 u_int8_t fault_tolerance;
192 } __attribute__ ((packed));
194 struct ciss_report_cdb
197 u_int8_t reserved[5];
198 u_int32_t length; /* big-endian */
204 * Note that it's not clear whether we have to set the detail field to
205 * the tag of the command to be aborted, or the tag field in the command itself;
206 * documentation conflicts on this.
208 #define CISS_OPCODE_MESSAGE_ABORT 0x00
209 #define CISS_MESSAGE_ABORT_TASK 0x00
210 #define CISS_MESSAGE_ABORT_TASK_SET 0x01
211 #define CISS_MESSAGE_ABORT_CLEAR_ACA 0x02
212 #define CISS_MESSAGE_ABORT_CLEAR_TASK_SET 0x03
214 #define CISS_OPCODE_MESSAGE_RESET 0x01
215 #define CISS_MESSAGE_RESET_CONTROLLER 0x00
216 #define CISS_MESSAGE_RESET_BUS 0x01
217 #define CISS_MESSAGE_RESET_TARGET 0x03
218 #define CISS_MESSAGE_RESET_LOGICAL_UNIT 0x04
220 #define CISS_OPCODE_MESSAGE_SCAN 0x02
221 #define CISS_MESSAGE_SCAN_CONTROLLER 0x00
222 #define CISS_MESSAGE_SCAN_BUS 0x01
223 #define CISS_MESSAGE_SCAN_TARGET 0x03
224 #define CISS_MESSAGE_SCAN_LOGICAL_UNIT 0x04
226 #define CISS_OPCODE_MESSAGE_NOP 0x03
228 struct ciss_message_cdb
233 u_int32_t abort_tag; /* XXX endianness? */
234 u_int8_t reserved[8];
238 * CISS vendor-specific commands/messages.
240 * Note that while messages and vendor-specific commands are
241 * differentiated, they are handled in basically the same way and can
242 * be considered to be basically the same thing, as long as the cdb
243 * type field is set correctly.
245 #define CISS_OPCODE_READ 0xc0
246 #define CISS_OPCODE_WRITE 0xc1
247 #define CISS_COMMAND_NOTIFY_ON_EVENT 0xd0
248 #define CISS_COMMAND_ABORT_NOTIFY 0xd1
250 struct ciss_notify_cdb
255 u_int16_t timeout; /* seconds, little-endian */
256 u_int8_t res2; /* reserved */
257 u_int8_t synchronous:1; /* return immediately */
258 u_int8_t ordered:1; /* return events in recorded order */
259 u_int8_t seek_to_oldest:1; /* reset read counter to oldest event */
260 u_int8_t new_only:1; /* ignore any queued events */
262 u_int32_t length; /* must be 512, little-endian */
263 #define CISS_NOTIFY_DATA_SIZE 512
267 #define CISS_NOTIFY_NOTIFIER 0
268 #define CISS_NOTIFY_NOTIFIER_STATUS 0
269 #define CISS_NOTIFY_NOTIFIER_PROTOCOL 1
271 #define CISS_NOTIFY_HOTPLUG 1
272 #define CISS_NOTIFY_HOTPLUG_PHYSICAL 0
273 #define CISS_NOTIFY_HOTPLUG_POWERSUPPLY 1
274 #define CISS_NOTIFY_HOTPLUG_FAN 2
275 #define CISS_NOTIFY_HOTPLUG_POWER 3
276 #define CISS_NOTIFY_HOTPLUG_REDUNDANT 4
277 #define CISS_NOTIFY_HOTPLUG_NONDISK 5
279 #define CISS_NOTIFY_HARDWARE 2
280 #define CISS_NOTIFY_HARDWARE_CABLES 0
281 #define CISS_NOTIFY_HARDWARE_MEMORY 1
282 #define CISS_NOTIFY_HARDWARE_FAN 2
283 #define CISS_NOTIFY_HARDWARE_VRM 3
285 #define CISS_NOTIFY_ENVIRONMENT 3
286 #define CISS_NOTIFY_ENVIRONMENT_TEMPERATURE 0
287 #define CISS_NOTIFY_ENVIRONMENT_POWERSUPPLY 1
288 #define CISS_NOTIFY_ENVIRONMENT_CHASSIS 2
289 #define CISS_NOTIFY_ENVIRONMENT_POWER 3
291 #define CISS_NOTIFY_PHYSICAL 4
292 #define CISS_NOTIFY_PHYSICAL_STATE 0
294 #define CISS_NOTIFY_LOGICAL 5
295 #define CISS_NOTIFY_LOGICAL_STATUS 0
296 #define CISS_NOTIFY_LOGICAL_ERROR 1
297 #define CISS_NOTIFY_LOGICAL_SURFACE 2
299 #define CISS_NOTIFY_REDUNDANT 6
300 #define CISS_NOTIFY_REDUNDANT_STATUS 0
302 #define CISS_NOTIFY_CISS 8
303 #define CISS_NOTIFY_CISS_REDUNDANT_CHANGE 0
304 #define CISS_NOTIFY_CISS_PATH_STATUS 1
305 #define CISS_NOTIFY_CISS_HARDWARE_ERROR 2
306 #define CISS_NOTIFY_CISS_LOGICAL 3
308 struct ciss_notify_drive
310 u_int16_t physical_drive_number;
311 u_int8_t configured_drive_flag;
312 u_int8_t spare_drive_flag;
313 u_int8_t big_physical_drive_number;
314 u_int8_t enclosure_bay_number;
317 struct ciss_notify_locator
324 struct ciss_notify_redundant_controller
329 struct ciss_notify_logical_status
331 u_int16_t logical_drive;
332 u_int8_t previous_state;
334 u_int8_t spare_state;
337 struct ciss_notify_rebuild_aborted
339 u_int16_t logical_drive;
340 u_int8_t replacement_drive;
341 u_int8_t error_drive;
342 u_int8_t big_replacement_drive;
343 u_int8_t big_error_drive;
346 struct ciss_notify_io_error
348 u_int16_t logical_drive;
350 u_int16_t block_count;
352 u_int8_t failure_bus;
353 u_int8_t failure_drive;
357 struct ciss_notify_consistency_completed
359 u_int16_t logical_drive;
364 u_int32_t timestamp; /* seconds since controller power-on */
370 struct ciss_notify_drive drive;
371 struct ciss_notify_locator location;
372 struct ciss_notify_redundant_controller redundant_controller;
373 struct ciss_notify_logical_status logical_status;
374 struct ciss_notify_rebuild_aborted rebuild_aborted;
375 struct ciss_notify_io_error io_error;
376 struct ciss_notify_consistency_completed consistency_completed;
384 u_int16_t pre_power_up_time;
385 union ciss_device_address device;
386 /* XXX pads to 512 bytes */
390 * CISS config table, which describes the controller's
391 * supported interface(s) and capabilities.
393 * This is mapped directly via PCI.
395 struct ciss_config_table
397 char signature[4]; /* "CISS" */
399 u_int32_t supported_methods;
400 #define CISS_TRANSPORT_METHOD_READY (1<<0)
401 #define CISS_TRANSPORT_METHOD_SIMPLE (1<<1)
402 #define CISS_TRANSPORT_METHOD_PERF (1<<2)
403 u_int32_t active_method;
404 u_int32_t requested_method;
405 u_int32_t command_physlimit;
406 u_int32_t interrupt_coalesce_delay;
407 u_int32_t interrupt_coalesce_count;
408 u_int32_t max_outstanding_commands;
410 #define CISS_TRANSPORT_BUS_TYPE_ULTRA2 (1<<0)
411 #define CISS_TRANSPORT_BUS_TYPE_ULTRA3 (1<<1)
412 #define CISS_TRANSPORT_BUS_TYPE_FIBRE1 (1<<8)
413 #define CISS_TRANSPORT_BUS_TYPE_FIBRE2 (1<<9)
414 u_int32_t transport_offset;
415 char server_name[16];
417 u_int32_t host_driver;
418 #define CISS_DRIVER_SUPPORT_UNIT_ATTENTION (1<<0)
419 #define CISS_DRIVER_QUICK_INIT (1<<1)
420 #define CISS_DRIVER_INTERRUPT_ON_LOCKUP (1<<2)
421 #define CISS_DRIVER_SUPPORT_MIXED_Q_TAGS (1<<3)
422 #define CISS_DRIVER_HOST_IS_ALPHA (1<<4)
423 #define CISS_DRIVER_MULTI_LUN_SUPPORT (1<<5)
424 #define CISS_DRIVER_MESSAGE_REQUESTS_SUPPORTED (1<<7)
425 #define CISS_DRIVER_DAUGHTER_ATTACHED (1<<8)
426 #define CISS_DRIVER_SCSI_PREFETCH (1<<9)
427 u_int32_t max_sg_length; /* 31 in older firmware */
429 * these fields appear in OpenCISS Spec 1.06
430 * http://cciss.sourceforge.net/#docs
432 u_int32_t max_logical_supported;
433 u_int32_t max_physical_supported;
434 u_int32_t max_physical_per_logical;
435 u_int32_t max_perfomant_mode_cmds;
436 u_int32_t max_block_fetch_count;
440 * Configuration table for the Performant transport. Only 4 request queues
441 * are mentioned in this table, though apparently up to 256 can exist.
443 struct ciss_perf_config {
444 uint32_t fetch_count[8];
445 #define CISS_SG_FETCH_MAX 0
446 #define CISS_SG_FETCH_1 1
447 #define CISS_SG_FETCH_2 2
448 #define CISS_SG_FETCH_4 3
449 #define CISS_SG_FETCH_8 4
450 #define CISS_SG_FETCH_16 5
451 #define CISS_SG_FETCH_32 6
452 #define CISS_SG_FETCH_NONE 7
464 * In a flagrant violation of what CISS seems to be meant to be about,
465 * Compaq recycle a goodly portion of their previous generation's
466 * command set (and all the legacy baggage related to a design
467 * originally aimed at narrow SCSI) through the Array Controller Read
468 * and Array Controller Write interface.
470 * Command ID values here can be looked up for in the
471 * publically-available documentation for the older controllers; note
472 * that the command layout is necessarily different to fit within the
475 #define CISS_ARRAY_CONTROLLER_READ 0x26
476 #define CISS_ARRAY_CONTROLLER_WRITE 0x27
478 #define CISS_BMIC_ID_LDRIVE 0x10
479 #define CISS_BMIC_ID_CTLR 0x11
480 #define CISS_BMIC_ID_LSTATUS 0x12
481 #define CISS_BMIC_ID_PDRIVE 0x15
482 #define CISS_BMIC_BLINK_PDRIVE 0x16
483 #define CISS_BMIC_SENSE_BLINK_PDRIVE 0x17
484 #define CISS_BMIC_SOFT_RESET 0x40
485 #define CISS_BMIC_FLUSH_CACHE 0xc2
486 #define CISS_BMIC_ACCEPT_MEDIA 0xe0
489 * When numbering drives, the original design assumed that
490 * drives 0-7 are on the first SCSI bus, 8-15 on the second,
491 * and so forth. In order to handle modern SCSI configurations,
492 * the MSB is set in the drive ID field, in which case the
493 * modulus changes from 8 to the number of supported drives
494 * per SCSI bus (as obtained from the ID_CTLR command).
495 * This feature is referred to as BIG_MAP support, and we assume
496 * that all CISS controllers support it.
499 #define CISS_BIG_MAP_ID(sc, bus, target) \
501 ((sc)->ciss_id->drives_per_scsi_bus * (bus)) | \
504 #define CISS_BIG_MAP_BUS(sc, id) \
505 (((id) & 0x80) ? (((id) & ~0x80) / (sc)->ciss_id->drives_per_scsi_bus) : -1)
507 #define CISS_BIG_MAP_TARGET(sc, id) \
508 (((id) & 0x80) ? (((id) & ~0x80) % (sc)->ciss_id->drives_per_scsi_bus) : -1)
510 #define CISS_BIG_MAP_ENTRIES 128 /* number of entries in a BIG_MAP */
513 * In the device address of a logical volume, the bus number
514 * is encoded into the logical lun volume number starting
515 * at the second byte, with the first byte defining the
516 * logical drive number.
518 #define CISS_LUN_TO_BUS(x) (((x) >> 16) & 0xFF)
519 #define CISS_LUN_TO_TARGET(x) ((x) & 0xFF)
524 * Note that the phys_drive/res1 field is nominally the 32-bit
525 * "block number" field, but the only BMIC command(s) of interest
526 * implemented overload the MSB (note big-endian format here)
527 * to be the physical drive ID, so we define accordingly.
529 struct ciss_bmic_cdb {
534 u_int8_t bmic_opcode;
535 u_int16_t size; /* big-endian */
540 * BMIC command command/return structures.
543 /* CISS_BMIC_ID_LDRIVE */
544 struct ciss_bmic_id_ldrive {
545 u_int16_t block_size;
546 u_int32_t blocks_available;
547 u_int8_t drive_parameter_table[16]; /* XXX define */
548 u_int8_t fault_tolerance;
549 #define CISS_LDRIVE_RAID0 0
550 #define CISS_LDRIVE_RAID4 1
551 #define CISS_LDRIVE_RAID1 2
552 #define CISS_LDRIVE_RAID5 3
553 #define CISS_LDRIVE_RAID51 4
554 #define CISS_LDRIVE_RAIDADG 5
556 u_int8_t bios_disable_flag;
558 u_int32_t logical_drive_identifier;
559 char logical_drive_label[64];
560 u_int64_t big_blocks_available;
564 /* CISS_BMIC_ID_LSTATUS */
565 struct ciss_bmic_id_lstatus {
567 #define CISS_LSTATUS_OK 0
568 #define CISS_LSTATUS_FAILED 1
569 #define CISS_LSTATUS_NOT_CONFIGURED 2
570 #define CISS_LSTATUS_INTERIM_RECOVERY 3
571 #define CISS_LSTATUS_READY_RECOVERY 4
572 #define CISS_LSTATUS_RECOVERING 5
573 #define CISS_LSTATUS_WRONG_PDRIVE 6
574 #define CISS_LSTATUS_MISSING_PDRIVE 7
575 #define CISS_LSTATUS_EXPANDING 10
576 #define CISS_LSTATUS_BECOMING_READY 11
577 #define CISS_LSTATUS_QUEUED_FOR_EXPANSION 12
578 u_int32_t deprecated_drive_failure_map;
580 u_int32_t blocks_to_recover;
581 u_int8_t deprecated_drive_rebuilding;
582 u_int16_t deprecated_remap_count[32];
583 u_int32_t deprecated_replacement_map;
584 u_int32_t deprecated_active_spare_map;
585 u_int8_t spare_configured:1;
586 u_int8_t spare_rebuilding:1;
587 u_int8_t spare_rebuilt:1;
588 u_int8_t spare_failed:1;
589 u_int8_t spare_switched:1;
590 u_int8_t spare_available:1;
592 u_int8_t deprecated_spare_to_replace_map[32];
593 u_int32_t deprecated_replaced_marked_ok_map;
594 u_int8_t media_exchanged;
595 u_int8_t cache_failure;
596 u_int8_t expand_failure;
597 u_int8_t rebuild_read_failure:1;
598 u_int8_t rebuild_write_failure:1;
600 u_int8_t drive_failure_map[CISS_BIG_MAP_ENTRIES / 8];
601 u_int16_t remap_count[CISS_BIG_MAP_ENTRIES];
602 u_int8_t replacement_map[CISS_BIG_MAP_ENTRIES / 8];
603 u_int8_t active_spare_map[CISS_BIG_MAP_ENTRIES / 8];
604 u_int8_t spare_to_replace_map[CISS_BIG_MAP_ENTRIES];
605 u_int8_t replaced_marked_ok_map[CISS_BIG_MAP_ENTRIES / 8];
606 u_int8_t drive_rebuilding;
607 u_int64_t big_blocks_to_recover;
611 /* CISS_BMIC_ID_CTLR */
612 struct ciss_bmic_id_table {
613 u_int8_t configured_logical_drives;
614 u_int32_t config_signature;
615 char running_firmware_revision[4];
616 char stored_firmware_revision[4];
617 u_int8_t hardware_revision;
619 u_int32_t deprecated_drive_present_map;
620 u_int32_t deprecated_external_drive_present_map;
623 u_int32_t deprecated_non_disk_map;
625 char marketting_revision;
627 u_int8_t more_than_seven_supported:1;
629 u_int8_t big_map_supported:1; /* must be set! */
631 u_int8_t scsi_bus_count;
633 u_int32_t controller_clock;
634 u_int8_t drives_per_scsi_bus;
635 u_int8_t big_drive_present_map[CISS_BIG_MAP_ENTRIES / 8];
636 u_int8_t big_external_drive_present_map[CISS_BIG_MAP_ENTRIES / 8];
637 u_int8_t big_non_disk_map[CISS_BIG_MAP_ENTRIES / 8];
640 /* CISS_BMIC_ID_PDRIVE */
641 struct ciss_bmic_id_pdrive {
644 u_int16_t block_size;
645 u_int32_t total_blocks;
646 u_int32_t reserved_blocks;
650 u_int8_t inquiry_bits;
652 u_int8_t drive_present:1;
655 u_int8_t synchronous:1;
657 u_int8_t wide_downgraded_to_narrow:1;
661 u_int8_t SMART_errors_recorded:1;
662 u_int8_t SMART_errors_enabled:1;
663 u_int8_t SMART_errors_detected:1;
665 u_int8_t configured:1;
666 u_int8_t configured_spare:1;
667 u_int8_t cache_saved_enabled:1;
670 u_int8_t cache_currently_enabled:1;
671 u_int8_t cache_safe:1;
681 /* CISS_BMIC_BLINK_PDRIVE */
682 /* CISS_BMIC_SENSE_BLINK_PDRIVE */
683 struct ciss_bmic_blink_pdrive {
684 u_int32_t blink_duration; /* 10ths of a second */
685 u_int32_t duration_elapsed; /* only for sense command */
686 u_int8_t blinktab[256];
687 #define CISS_BMIC_BLINK_ALL 1
688 #define CISS_BMIC_BLINK_TIMED 2
692 /* CISS_BMIC_FLUSH_CACHE */
693 struct ciss_bmic_flush_cache {
695 #define CISS_BMIC_FLUSH_AND_ENABLE 0
696 #define CISS_BMIC_FLUSH_AND_DISABLE 1
702 * CISS "simple" transport layer.
704 * Note that there are two slightly different versions of this interface
705 * with different interrupt mask bits. There's nothing like consistency...
707 #define CISS_TL_SIMPLE_BAR_REGS 0x10 /* BAR pointing to register space */
708 #define CISS_TL_SIMPLE_BAR_CFG 0x14 /* BAR pointing to space containing config table */
710 #define CISS_TL_SIMPLE_IDBR 0x20 /* inbound doorbell register */
711 #define CISS_TL_SIMPLE_IDBR_CFG_TABLE (1<<0) /* notify controller of config table update */
713 #define CISS_TL_SIMPLE_ISR 0x30 /* interrupt status register */
714 #define CISS_TL_SIMPLE_IMR 0x34 /* interrupt mask register */
715 #define CISS_TL_SIMPLE_INTR_OPQ_SA5 (1<<3) /* OPQ not empty interrupt, SA5 boards */
716 #define CISS_TL_SIMPLE_INTR_OPQ_SA5B (1<<2) /* OPQ not empty interrupt, SA5B boards */
718 #define CISS_TL_SIMPLE_IPQ 0x40 /* inbound post queue */
719 #define CISS_TL_SIMPLE_OPQ 0x44 /* outbound post queue */
720 #define CISS_TL_SIMPLE_OPQ_EMPTY (~(u_int32_t)0)
722 #define CISS_TL_SIMPLE_OSR 0x9c /* outbound status register */
723 #define CISS_TL_SIMPLE_ODC 0xa0 /* outbound doorbell clear register */
724 #define CISS_TL_SIMPLE_ODC_CLEAR (0x1)
726 #define CISS_TL_SIMPLE_CFG_BAR 0xb4 /* should be 0x14 */
727 #define CISS_TL_SIMPLE_CFG_OFF 0xb8 /* offset in BAR at which config table is located */
730 * Register access primitives.
732 #define CISS_TL_SIMPLE_READ(sc, ofs) \
733 bus_space_read_4(sc->ciss_regs_btag, sc->ciss_regs_bhandle, ofs)
734 #define CISS_TL_SIMPLE_WRITE(sc, ofs, val) \
735 bus_space_write_4(sc->ciss_regs_btag, sc->ciss_regs_bhandle, ofs, val)
737 #define CISS_TL_SIMPLE_POST_CMD(sc, phys) CISS_TL_SIMPLE_WRITE(sc, CISS_TL_SIMPLE_IPQ, phys)
738 #define CISS_TL_SIMPLE_FETCH_CMD(sc) CISS_TL_SIMPLE_READ(sc, CISS_TL_SIMPLE_OPQ)
740 #define CISS_TL_PERF_INTR_OPQ (CISS_TL_SIMPLE_INTR_OPQ_SA5 | CISS_TL_SIMPLE_INTR_OPQ_SA5B)
741 #define CISS_TL_PERF_INTR_MSI 0x01
743 #define CISS_TL_PERF_POST_CMD(sc, cr) CISS_TL_SIMPLE_WRITE(sc, CISS_TL_SIMPLE_IPQ, cr->cr_ccphys | (cr)->cr_sg_tag)
744 #define CISS_TL_PERF_FLUSH_INT(sc) CISS_TL_SIMPLE_READ(sc, CISS_TL_SIMPLE_OSR)
745 #define CISS_TL_PERF_CLEAR_INT(sc) CISS_TL_SIMPLE_WRITE(sc, CISS_TL_SIMPLE_ODC, CISS_TL_SIMPLE_ODC_CLEAR)
746 #define CISS_CYCLE_MASK 0x00000001
748 /* Only need one MSI/MSI-X vector */
749 #define CISS_MSI_COUNT 1
751 #define CISS_TL_SIMPLE_DISABLE_INTERRUPTS(sc) \
752 CISS_TL_SIMPLE_WRITE(sc, CISS_TL_SIMPLE_IMR, \
753 CISS_TL_SIMPLE_READ(sc, CISS_TL_SIMPLE_IMR) | (sc)->ciss_interrupt_mask)
754 #define CISS_TL_SIMPLE_ENABLE_INTERRUPTS(sc) \
755 CISS_TL_SIMPLE_WRITE(sc, CISS_TL_SIMPLE_IMR, \
756 CISS_TL_SIMPLE_READ(sc, CISS_TL_SIMPLE_IMR) & ~(sc)->ciss_interrupt_mask)