1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 *
4 * Linux MegaRAID Unified device driver
5 *
6 * Copyright (c) 2003-2004 LSI Logic Corporation.
7 *
8 * FILE : mbox_defs.h
9 */
10 #ifndef _MRAID_MBOX_DEFS_H_
11 #define _MRAID_MBOX_DEFS_H_
12
13 #include <linux/types.h>
14
15 /*
16 * Commands and states for mailbox based controllers
17 */
18
19 #define MBOXCMD_LREAD 0x01
20 #define MBOXCMD_LWRITE 0x02
21 #define MBOXCMD_PASSTHRU 0x03
22 #define MBOXCMD_ADPEXTINQ 0x04
23 #define MBOXCMD_ADAPTERINQ 0x05
24 #define MBOXCMD_LREAD64 0xA7
25 #define MBOXCMD_LWRITE64 0xA8
26 #define MBOXCMD_PASSTHRU64 0xC3
27 #define MBOXCMD_EXTPTHRU 0xE3
28
29 #define MAIN_MISC_OPCODE 0xA4
30 #define GET_MAX_SG_SUPPORT 0x01
31 #define SUPPORT_EXT_CDB 0x16
32
33 #define FC_NEW_CONFIG 0xA1
34 #define NC_SUBOP_PRODUCT_INFO 0x0E
35 #define NC_SUBOP_ENQUIRY3 0x0F
36 #define ENQ3_GET_SOLICITED_FULL 0x02
37 #define OP_DCMD_READ_CONFIG 0x04
38 #define NEW_READ_CONFIG_8LD 0x67
39 #define READ_CONFIG_8LD 0x07
40 #define FLUSH_ADAPTER 0x0A
41 #define FLUSH_SYSTEM 0xFE
42
43 /*
44 * Command for random deletion of logical drives
45 */
46 #define FC_DEL_LOGDRV 0xA4
47 #define OP_SUP_DEL_LOGDRV 0x2A
48 #define OP_GET_LDID_MAP 0x18
49 #define OP_DEL_LOGDRV 0x1C
50
51 /*
52 * BIOS commands
53 */
54 #define IS_BIOS_ENABLED 0x62
55 #define GET_BIOS 0x01
56 #define CHNL_CLASS 0xA9
57 #define GET_CHNL_CLASS 0x00
58 #define SET_CHNL_CLASS 0x01
59 #define CH_RAID 0x01
60 #define CH_SCSI 0x00
61 #define BIOS_PVT_DATA 0x40
62 #define GET_BIOS_PVT_DATA 0x00
63
64
65 /*
66 * Commands to support clustering
67 */
68 #define GET_TARGET_ID 0x7D
69 #define CLUSTER_OP 0x70
70 #define GET_CLUSTER_MODE 0x02
71 #define CLUSTER_CMD 0x6E
72 #define RESERVE_LD 0x01
73 #define RELEASE_LD 0x02
74 #define RESET_RESERVATIONS 0x03
75 #define RESERVATION_STATUS 0x04
76 #define RESERVE_PD 0x05
77 #define RELEASE_PD 0x06
78
79
80 /*
81 * Module battery status
82 */
83 #define BATTERY_MODULE_MISSING 0x01
84 #define BATTERY_LOW_VOLTAGE 0x02
85 #define BATTERY_TEMP_HIGH 0x04
86 #define BATTERY_PACK_MISSING 0x08
87 #define BATTERY_CHARGE_MASK 0x30
88 #define BATTERY_CHARGE_DONE 0x00
89 #define BATTERY_CHARGE_INPROG 0x10
90 #define BATTERY_CHARGE_FAIL 0x20
91 #define BATTERY_CYCLES_EXCEEDED 0x40
92
93 /*
94 * Physical drive states.
95 */
96 #define PDRV_UNCNF 0
97 #define PDRV_ONLINE 3
98 #define PDRV_FAILED 4
99 #define PDRV_RBLD 5
100 #define PDRV_HOTSPARE 6
101
102
103 /*
104 * Raid logical drive states.
105 */
106 #define RDRV_OFFLINE 0
107 #define RDRV_DEGRADED 1
108 #define RDRV_OPTIMAL 2
109 #define RDRV_DELETED 3
110
111 /*
112 * Read, write and cache policies
113 */
114 #define NO_READ_AHEAD 0
115 #define READ_AHEAD 1
116 #define ADAP_READ_AHEAD 2
117 #define WRMODE_WRITE_THRU 0
118 #define WRMODE_WRITE_BACK 1
119 #define CACHED_IO 0
120 #define DIRECT_IO 1
121
122 #define MAX_LOGICAL_DRIVES_8LD 8
123 #define MAX_LOGICAL_DRIVES_40LD 40
124 #define FC_MAX_PHYSICAL_DEVICES 256
125 #define MAX_MBOX_CHANNELS 5
126 #define MAX_MBOX_TARGET 15
127 #define MBOX_MAX_PHYSICAL_DRIVES MAX_MBOX_CHANNELS*MAX_MBOX_TARGET
128 #define MAX_ROW_SIZE_40LD 32
129 #define MAX_ROW_SIZE_8LD 8
130 #define SPAN_DEPTH_8_SPANS 8
131 #define SPAN_DEPTH_4_SPANS 4
132 #define MAX_REQ_SENSE_LEN 0x20
133
134
135
136 /**
137 * struct mbox_t - Driver and f/w handshake structure.
138 * @cmd : firmware command
139 * @cmdid : command id
140 * @numsectors : number of sectors to be transferred
141 * @lba : Logical Block Address on LD
142 * @xferaddr : DMA address for data transfer
143 * @logdrv : logical drive number
144 * @numsge : number of scatter gather elements in sg list
145 * @resvd : reserved
146 * @busy : f/w busy, must wait to issue more commands.
147 * @numstatus : number of commands completed.
148 * @status : status of the commands completed
149 * @completed : array of completed command ids.
150 * @poll : poll and ack sequence
151 * @ack : poll and ack sequence
152 *
153 * The central handshake structure between the driver and the firmware. This
154 * structure must be allocated by the driver and aligned at 8-byte boundary.
155 */
156 #define MBOX_MAX_FIRMWARE_STATUS 46
157 typedef struct {
158 uint8_t cmd;
159 uint8_t cmdid;
160 uint16_t numsectors;
161 uint32_t lba;
162 uint32_t xferaddr;
163 uint8_t logdrv;
164 uint8_t numsge;
165 uint8_t resvd;
166 uint8_t busy;
167 uint8_t numstatus;
168 uint8_t status;
169 uint8_t completed[MBOX_MAX_FIRMWARE_STATUS];
170 uint8_t poll;
171 uint8_t ack;
172 } __attribute__ ((packed)) mbox_t;
173
174
175 /**
176 * mbox64_t - 64-bit extension for the mailbox
177 * @segment_lo : the low 32-bits of the address of the scatter-gather list
178 * @segment_hi : the upper 32-bits of the address of the scatter-gather list
179 * @mbox : 32-bit mailbox, whose xferadder field must be set to
180 * 0xFFFFFFFF
181 *
182 * This is the extension of the 32-bit mailbox to be able to perform DMA
183 * beyond 4GB address range.
184 */
185 typedef struct {
186 uint32_t xferaddr_lo;
187 uint32_t xferaddr_hi;
188 mbox_t mbox32;
189 } __attribute__ ((packed)) mbox64_t;
190
191 /*
192 * mailbox structure used for internal commands
193 */
194 typedef struct {
195 u8 cmd;
196 u8 cmdid;
197 u8 opcode;
198 u8 subopcode;
199 u32 lba;
200 u32 xferaddr;
201 u8 logdrv;
202 u8 rsvd[3];
203 u8 numstatus;
204 u8 status;
205 } __attribute__ ((packed)) int_mbox_t;
206
207 /**
208 * mraid_passthru_t - passthru structure to issue commands to physical devices
209 * @timeout : command timeout, 0=6sec, 1=60sec, 2=10min, 3=3hr
210 * @ars : set if ARS required after check condition
211 * @islogical : set if command meant for logical devices
212 * @logdrv : logical drive number if command for LD
213 * @channel : Channel on which physical device is located
214 * @target : SCSI target of the device
215 * @queuetag : unused
216 * @queueaction : unused
217 * @cdb : SCSI CDB
218 * @cdblen : length of the CDB
219 * @reqsenselen : amount of request sense data to be returned
220 * @reqsensearea : Sense information buffer
221 * @numsge : number of scatter-gather elements in the sg list
222 * @scsistatus : SCSI status of the command completed.
223 * @dataxferaddr : DMA data transfer address
224 * @dataxferlen : amount of the data to be transferred.
225 */
226 typedef struct {
227 uint8_t timeout :3;
228 uint8_t ars :1;
229 uint8_t reserved :3;
230 uint8_t islogical :1;
231 uint8_t logdrv;
232 uint8_t channel;
233 uint8_t target;
234 uint8_t queuetag;
235 uint8_t queueaction;
236 uint8_t cdb[10];
237 uint8_t cdblen;
238 uint8_t reqsenselen;
239 uint8_t reqsensearea[MAX_REQ_SENSE_LEN];
240 uint8_t numsge;
241 uint8_t scsistatus;
242 uint32_t dataxferaddr;
243 uint32_t dataxferlen;
244 } __attribute__ ((packed)) mraid_passthru_t;
245
246 typedef struct {
247
248 uint32_t dataxferaddr_lo;
249 uint32_t dataxferaddr_hi;
250 mraid_passthru_t pthru32;
251
252 } __attribute__ ((packed)) mega_passthru64_t;
253
254 /**
255 * mraid_epassthru_t - passthru structure to issue commands to physical devices
256 * @timeout : command timeout, 0=6sec, 1=60sec, 2=10min, 3=3hr
257 * @ars : set if ARS required after check condition
258 * @rsvd1 : reserved field
259 * @cd_rom : (?)
260 * @rsvd2 : reserved field
261 * @islogical : set if command meant for logical devices
262 * @logdrv : logical drive number if command for LD
263 * @channel : Channel on which physical device is located
264 * @target : SCSI target of the device
265 * @queuetag : unused
266 * @queueaction : unused
267 * @cdblen : length of the CDB
268 * @rsvd3 : reserved field
269 * @cdb : SCSI CDB
270 * @numsge : number of scatter-gather elements in the sg list
271 * @status : SCSI status of the command completed.
272 * @reqsenselen : amount of request sense data to be returned
273 * @reqsensearea : Sense information buffer
274 * @rsvd4 : reserved field
275 * @dataxferaddr : DMA data transfer address
276 * @dataxferlen : amount of the data to be transferred.
277 */
278 typedef struct {
279 uint8_t timeout :3;
280 uint8_t ars :1;
281 uint8_t rsvd1 :1;
282 uint8_t cd_rom :1;
283 uint8_t rsvd2 :1;
284 uint8_t islogical :1;
285 uint8_t logdrv;
286 uint8_t channel;
287 uint8_t target;
288 uint8_t queuetag;
289 uint8_t queueaction;
290 uint8_t cdblen;
291 uint8_t rsvd3;
292 uint8_t cdb[16];
293 uint8_t numsge;
294 uint8_t status;
295 uint8_t reqsenselen;
296 uint8_t reqsensearea[MAX_REQ_SENSE_LEN];
297 uint8_t rsvd4;
298 uint32_t dataxferaddr;
299 uint32_t dataxferlen;
300 } __attribute__ ((packed)) mraid_epassthru_t;
301
302
303 /**
304 * mraid_pinfo_t - product info, static information about the controller
305 * @data_size : current size in bytes (not including resvd)
306 * @config_signature : Current value is 0x00282008
307 * @fw_version : Firmware version
308 * @bios_version : version of the BIOS
309 * @product_name : Name given to the controller
310 * @max_commands : Maximum concurrent commands supported
311 * @nchannels : Number of SCSI Channels detected
312 * @fc_loop_present : Number of Fibre Loops detected
313 * @mem_type : EDO, FPM, SDRAM etc
314 * @signature :
315 * @dram_size : In terms of MB
316 * @subsysid : device PCI subsystem ID
317 * @subsysvid : device PCI subsystem vendor ID
318 * @notify_counters :
319 * @pad1k : 135 + 889 resvd = 1024 total size
320 *
321 * This structures holds the information about the controller which is not
322 * expected to change dynamically.
323 *
324 * The current value of config signature is 0x00282008:
325 * 0x28 = MAX_LOGICAL_DRIVES,
326 * 0x20 = Number of stripes and
327 * 0x08 = Number of spans
328 */
329 typedef struct {
330 uint32_t data_size;
331 uint32_t config_signature;
332 uint8_t fw_version[16];
333 uint8_t bios_version[16];
334 uint8_t product_name[80];
335 uint8_t max_commands;
336 uint8_t nchannels;
337 uint8_t fc_loop_present;
338 uint8_t mem_type;
339 uint32_t signature;
340 uint16_t dram_size;
341 uint16_t subsysid;
342 uint16_t subsysvid;
343 uint8_t notify_counters;
344 uint8_t pad1k[889];
345 } __attribute__ ((packed)) mraid_pinfo_t;
346
347
348 /**
349 * mraid_notify_t - the notification structure
350 * @global_counter : Any change increments this counter
351 * @param_counter : Indicates any params changed
352 * @param_id : Param modified - defined below
353 * @param_val : New val of last param modified
354 * @write_config_counter : write config occurred
355 * @write_config_rsvd :
356 * @ldrv_op_counter : Indicates ldrv op started/completed
357 * @ldrv_opid : ldrv num
358 * @ldrv_opcmd : ldrv operation - defined below
359 * @ldrv_opstatus : status of the operation
360 * @ldrv_state_counter : Indicates change of ldrv state
361 * @ldrv_state_id : ldrv num
362 * @ldrv_state_new : New state
363 * @ldrv_state_old : old state
364 * @pdrv_state_counter : Indicates change of ldrv state
365 * @pdrv_state_id : pdrv id
366 * @pdrv_state_new : New state
367 * @pdrv_state_old : old state
368 * @pdrv_fmt_counter : Indicates pdrv format started/over
369 * @pdrv_fmt_id : pdrv id
370 * @pdrv_fmt_val : format started/over
371 * @pdrv_fmt_rsvd :
372 * @targ_xfer_counter : Indicates SCSI-2 Xfer rate change
373 * @targ_xfer_id : pdrv Id
374 * @targ_xfer_val : new Xfer params of last pdrv
375 * @targ_xfer_rsvd :
376 * @fcloop_id_chg_counter : Indicates loopid changed
377 * @fcloopid_pdrvid : pdrv id
378 * @fcloop_id0 : loopid on fc loop 0
379 * @fcloop_id1 : loopid on fc loop 1
380 * @fcloop_state_counter : Indicates loop state changed
381 * @fcloop_state0 : state of fc loop 0
382 * @fcloop_state1 : state of fc loop 1
383 * @fcloop_state_rsvd :
384 */
385 typedef struct {
386 uint32_t global_counter;
387 uint8_t param_counter;
388 uint8_t param_id;
389 uint16_t param_val;
390 uint8_t write_config_counter;
391 uint8_t write_config_rsvd[3];
392 uint8_t ldrv_op_counter;
393 uint8_t ldrv_opid;
394 uint8_t ldrv_opcmd;
395 uint8_t ldrv_opstatus;
396 uint8_t ldrv_state_counter;
397 uint8_t ldrv_state_id;
398 uint8_t ldrv_state_new;
399 uint8_t ldrv_state_old;
400 uint8_t pdrv_state_counter;
401 uint8_t pdrv_state_id;
402 uint8_t pdrv_state_new;
403 uint8_t pdrv_state_old;
404 uint8_t pdrv_fmt_counter;
405 uint8_t pdrv_fmt_id;
406 uint8_t pdrv_fmt_val;
407 uint8_t pdrv_fmt_rsvd;
408 uint8_t targ_xfer_counter;
409 uint8_t targ_xfer_id;
410 uint8_t targ_xfer_val;
411 uint8_t targ_xfer_rsvd;
412 uint8_t fcloop_id_chg_counter;
413 uint8_t fcloopid_pdrvid;
414 uint8_t fcloop_id0;
415 uint8_t fcloop_id1;
416 uint8_t fcloop_state_counter;
417 uint8_t fcloop_state0;
418 uint8_t fcloop_state1;
419 uint8_t fcloop_state_rsvd;
420 } __attribute__ ((packed)) mraid_notify_t;
421
422
423 /**
424 * mraid_inquiry3_t - enquiry for device information
425 *
426 * @data_size : current size in bytes (not including resvd)
427 * @notify :
428 * @notify_rsvd :
429 * @rebuild_rate : rebuild rate (0% - 100%)
430 * @cache_flush_int : cache flush interval in seconds
431 * @sense_alert :
432 * @drive_insert_count : drive insertion count
433 * @battery_status :
434 * @num_ldrv : no. of Log Drives configured
435 * @recon_state : state of reconstruct
436 * @ldrv_op_status : logdrv Status
437 * @ldrv_size : size of each log drv
438 * @ldrv_prop :
439 * @ldrv_state : state of log drives
440 * @pdrv_state : state of phys drvs.
441 * @pdrv_format :
442 * @targ_xfer : phys device transfer rate
443 * @pad1k : 761 + 263reserved = 1024 bytes total size
444 */
445 #define MAX_NOTIFY_SIZE 0x80
446 #define CUR_NOTIFY_SIZE sizeof(mraid_notify_t)
447
448 typedef struct {
449 uint32_t data_size;
450
451 mraid_notify_t notify;
452
453 uint8_t notify_rsvd[MAX_NOTIFY_SIZE - CUR_NOTIFY_SIZE];
454
455 uint8_t rebuild_rate;
456 uint8_t cache_flush_int;
457 uint8_t sense_alert;
458 uint8_t drive_insert_count;
459
460 uint8_t battery_status;
461 uint8_t num_ldrv;
462 uint8_t recon_state[MAX_LOGICAL_DRIVES_40LD / 8];
463 uint16_t ldrv_op_status[MAX_LOGICAL_DRIVES_40LD / 8];
464
465 uint32_t ldrv_size[MAX_LOGICAL_DRIVES_40LD];
466 uint8_t ldrv_prop[MAX_LOGICAL_DRIVES_40LD];
467 uint8_t ldrv_state[MAX_LOGICAL_DRIVES_40LD];
468 uint8_t pdrv_state[FC_MAX_PHYSICAL_DEVICES];
469 uint16_t pdrv_format[FC_MAX_PHYSICAL_DEVICES / 16];
470
471 uint8_t targ_xfer[80];
472 uint8_t pad1k[263];
473 } __attribute__ ((packed)) mraid_inquiry3_t;
474
475
476 /**
477 * mraid_adapinfo_t - information about the adapter
478 * @max_commands : max concurrent commands supported
479 * @rebuild_rate : rebuild rate - 0% thru 100%
480 * @max_targ_per_chan : max targ per channel
481 * @nchannels : number of channels on HBA
482 * @fw_version : firmware version
483 * @age_of_flash : number of times FW has been flashed
484 * @chip_set_value : contents of 0xC0000832
485 * @dram_size : in MB
486 * @cache_flush_interval : in seconds
487 * @bios_version :
488 * @board_type :
489 * @sense_alert :
490 * @write_config_count : increase with every configuration change
491 * @drive_inserted_count : increase with every drive inserted
492 * @inserted_drive : channel:Id of inserted drive
493 * @battery_status : bit 0: battery module missing
494 * bit 1: VBAD
495 * bit 2: temperature high
496 * bit 3: battery pack missing
497 * bit 4,5:
498 * 00 - charge complete
499 * 01 - fast charge in progress
500 * 10 - fast charge fail
501 * 11 - undefined
502 * bit 6: counter > 1000
503 * bit 7: Undefined
504 * @dec_fault_bus_info :
505 */
506 typedef struct {
507 uint8_t max_commands;
508 uint8_t rebuild_rate;
509 uint8_t max_targ_per_chan;
510 uint8_t nchannels;
511 uint8_t fw_version[4];
512 uint16_t age_of_flash;
513 uint8_t chip_set_value;
514 uint8_t dram_size;
515 uint8_t cache_flush_interval;
516 uint8_t bios_version[4];
517 uint8_t board_type;
518 uint8_t sense_alert;
519 uint8_t write_config_count;
520 uint8_t battery_status;
521 uint8_t dec_fault_bus_info;
522 } __attribute__ ((packed)) mraid_adapinfo_t;
523
524
525 /**
526 * mraid_ldrv_info_t - information about the logical drives
527 * @nldrv : Number of logical drives configured
528 * @rsvd :
529 * @size : size of each logical drive
530 * @prop :
531 * @state : state of each logical drive
532 */
533 typedef struct {
534 uint8_t nldrv;
535 uint8_t rsvd[3];
536 uint32_t size[MAX_LOGICAL_DRIVES_8LD];
537 uint8_t prop[MAX_LOGICAL_DRIVES_8LD];
538 uint8_t state[MAX_LOGICAL_DRIVES_8LD];
539 } __attribute__ ((packed)) mraid_ldrv_info_t;
540
541
542 /**
543 * mraid_pdrv_info_t - information about the physical drives
544 * @pdrv_state : state of each physical drive
545 */
546 typedef struct {
547 uint8_t pdrv_state[MBOX_MAX_PHYSICAL_DRIVES];
548 uint8_t rsvd;
549 } __attribute__ ((packed)) mraid_pdrv_info_t;
550
551
552 /**
553 * mraid_inquiry_t - RAID inquiry, mailbox command 0x05
554 * @mraid_adapinfo_t : adapter information
555 * @mraid_ldrv_info_t : logical drives information
556 * @mraid_pdrv_info_t : physical drives information
557 */
558 typedef struct {
559 mraid_adapinfo_t adapter_info;
560 mraid_ldrv_info_t logdrv_info;
561 mraid_pdrv_info_t pdrv_info;
562 } __attribute__ ((packed)) mraid_inquiry_t;
563
564
565 /**
566 * mraid_extinq_t - RAID extended inquiry, mailbox command 0x04
567 *
568 * @raid_inq : raid inquiry
569 * @phys_drv_format :
570 * @stack_attn :
571 * @modem_status :
572 * @rsvd :
573 */
574 typedef struct {
575 mraid_inquiry_t raid_inq;
576 uint16_t phys_drv_format[MAX_MBOX_CHANNELS];
577 uint8_t stack_attn;
578 uint8_t modem_status;
579 uint8_t rsvd[2];
580 } __attribute__ ((packed)) mraid_extinq_t;
581
582
583 /**
584 * adap_device_t - device information
585 * @channel : channel fpor the device
586 * @target : target ID of the device
587 */
588 typedef struct {
589 uint8_t channel;
590 uint8_t target;
591 }__attribute__ ((packed)) adap_device_t;
592
593
594 /**
595 * adap_span_40ld_t - 40LD span
596 * @start_blk : starting block
597 * @num_blks : number of blocks
598 */
599 typedef struct {
600 uint32_t start_blk;
601 uint32_t num_blks;
602 adap_device_t device[MAX_ROW_SIZE_40LD];
603 }__attribute__ ((packed)) adap_span_40ld_t;
604
605
606 /**
607 * adap_span_8ld_t - 8LD span
608 * @start_blk : starting block
609 * @num_blks : number of blocks
610 */
611 typedef struct {
612 uint32_t start_blk;
613 uint32_t num_blks;
614 adap_device_t device[MAX_ROW_SIZE_8LD];
615 }__attribute__ ((packed)) adap_span_8ld_t;
616
617
618 /**
619 * logdrv_param_t - logical drives parameters
620 *
621 * @span_depth : total number of spans
622 * @level : RAID level
623 * @read_ahead : read ahead, no read ahead, adaptive read ahead
624 * @stripe_sz : encoded stripe size
625 * @status : status of the logical drive
626 * @write_mode : write mode, write_through/write_back
627 * @direct_io : direct io or through cache
628 * @row_size : number of stripes in a row
629 */
630 typedef struct {
631 uint8_t span_depth;
632 uint8_t level;
633 uint8_t read_ahead;
634 uint8_t stripe_sz;
635 uint8_t status;
636 uint8_t write_mode;
637 uint8_t direct_io;
638 uint8_t row_size;
639 } __attribute__ ((packed)) logdrv_param_t;
640
641
642 /**
643 * logdrv_40ld_t - logical drive definition for 40LD controllers
644 * @lparam : logical drives parameters
645 * @span : span
646 */
647 typedef struct {
648 logdrv_param_t lparam;
649 adap_span_40ld_t span[SPAN_DEPTH_8_SPANS];
650 }__attribute__ ((packed)) logdrv_40ld_t;
651
652
653 /**
654 * logdrv_8ld_span8_t - logical drive definition for 8LD controllers
655 * @lparam : logical drives parameters
656 * @span : span
657 *
658 * 8-LD logical drive with up to 8 spans
659 */
660 typedef struct {
661 logdrv_param_t lparam;
662 adap_span_8ld_t span[SPAN_DEPTH_8_SPANS];
663 }__attribute__ ((packed)) logdrv_8ld_span8_t;
664
665
666 /**
667 * logdrv_8ld_span4_t - logical drive definition for 8LD controllers
668 * @lparam : logical drives parameters
669 * @span : span
670 *
671 * 8-LD logical drive with up to 4 spans
672 */
673 typedef struct {
674 logdrv_param_t lparam;
675 adap_span_8ld_t span[SPAN_DEPTH_4_SPANS];
676 }__attribute__ ((packed)) logdrv_8ld_span4_t;
677
678
679 /**
680 * phys_drive_t - physical device information
681 * @type : Type of the device
682 * @cur_status : current status of the device
683 * @tag_depth : Level of tagging
684 * @sync_neg : sync negotiation - ENABLE or DISABLE
685 * @size : configurable size in terms of 512 byte
686 */
687 typedef struct {
688 uint8_t type;
689 uint8_t cur_status;
690 uint8_t tag_depth;
691 uint8_t sync_neg;
692 uint32_t size;
693 }__attribute__ ((packed)) phys_drive_t;
694
695
696 /**
697 * disk_array_40ld_t - disk array for 40LD controllers
698 * @numldrv : number of logical drives
699 * @resvd :
700 * @ldrv : logical drives information
701 * @pdrv : physical drives information
702 */
703 typedef struct {
704 uint8_t numldrv;
705 uint8_t resvd[3];
706 logdrv_40ld_t ldrv[MAX_LOGICAL_DRIVES_40LD];
707 phys_drive_t pdrv[MBOX_MAX_PHYSICAL_DRIVES];
708 }__attribute__ ((packed)) disk_array_40ld_t;
709
710
711 /**
712 * disk_array_8ld_span8_t - disk array for 8LD controllers
713 * @numldrv : number of logical drives
714 * @resvd :
715 * @ldrv : logical drives information
716 * @pdrv : physical drives information
717 *
718 * Disk array for 8LD logical drives with up to 8 spans
719 */
720 typedef struct {
721 uint8_t numldrv;
722 uint8_t resvd[3];
723 logdrv_8ld_span8_t ldrv[MAX_LOGICAL_DRIVES_8LD];
724 phys_drive_t pdrv[MBOX_MAX_PHYSICAL_DRIVES];
725 }__attribute__ ((packed)) disk_array_8ld_span8_t;
726
727
728 /**
729 * disk_array_8ld_span4_t - disk array for 8LD controllers
730 * @numldrv : number of logical drives
731 * @resvd :
732 * @ldrv : logical drives information
733 * @pdrv : physical drives information
734 *
735 * Disk array for 8LD logical drives with up to 4 spans
736 */
737 typedef struct {
738 uint8_t numldrv;
739 uint8_t resvd[3];
740 logdrv_8ld_span4_t ldrv[MAX_LOGICAL_DRIVES_8LD];
741 phys_drive_t pdrv[MBOX_MAX_PHYSICAL_DRIVES];
742 }__attribute__ ((packed)) disk_array_8ld_span4_t;
743
744
745 /**
746 * struct private_bios_data - bios private data for boot devices
747 * @geometry : bits 0-3 - BIOS geometry, 0x0001 - 1GB, 0x0010 - 2GB,
748 * 0x1000 - 8GB, Others values are invalid
749 * @unused : bits 4-7 are unused
750 * @boot_drv : logical drive set as boot drive, 0..7 - for 8LD cards,
751 * 0..39 - for 40LD cards
752 * @cksum : 0-(sum of first 13 bytes of this structure)
753 */
754 struct private_bios_data {
755 uint8_t geometry :4;
756 uint8_t unused :4;
757 uint8_t boot_drv;
758 uint8_t rsvd[12];
759 uint16_t cksum;
760 } __attribute__ ((packed));
761
762
763 /**
764 * mbox_sgl64 - 64-bit scatter list for mailbox based controllers
765 * @address : address of the buffer
766 * @length : data transfer length
767 */
768 typedef struct {
769 uint64_t address;
770 uint32_t length;
771 } __attribute__ ((packed)) mbox_sgl64;
772
773 /**
774 * mbox_sgl32 - 32-bit scatter list for mailbox based controllers
775 * @address : address of the buffer
776 * @length : data transfer length
777 */
778 typedef struct {
779 uint32_t address;
780 uint32_t length;
781 } __attribute__ ((packed)) mbox_sgl32;
782
783 #endif // _MRAID_MBOX_DEFS_H_
784
785 /* vim: set ts=8 sw=8 tw=78: */