xref: /dragonfly/sys/dev/raid/mly/mlyreg.h (revision 8a7bdfea)
1 /*-
2  * Copyright (c) 2000 Michael Smith
3  * Copyright (c) 2000 BSDi
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  *	$FreeBSD: src/sys/dev/mly/mlyreg.h,v 1.1.2.1 2000/10/27 10:06:56 msmith Exp $
28  *	$DragonFly: src/sys/dev/raid/mly/mlyreg.h,v 1.3 2008/01/21 02:27:37 pavalos Exp $
29  */
30 
31 /*
32  * Section numbers in this document refer to the Mylex "Firmware Software Interface"
33  * document ('FSI'), revision 0.11 04/11/00 unless otherwise qualified.
34  *
35  * Reference is made to the Mylex "Programming Guide for 6.x Controllers" document
36  * ('PG6'), document #771242 revision 0.02, 04/11/00
37  *
38  * Note that fields marked N/A are not supported by the PCI controllers, but are
39  * defined here to hold place in datastructures that are shared with the SCSI
40  * controllers.  Items not relevant to PCI controllers are not described here.
41  *
42  * Ordering of items in this file is a little odd due to the constraints of
43  * nested declarations.
44  */
45 
46 /*
47  * 2.1 (Scatter Gather List Format)
48  */
49 struct mly_sg_entry {
50     u_int64_t	physaddr;
51     u_int64_t	length;
52 } __packed;
53 
54 /*
55  * 5.2 System Device Access
56  *
57  * This is corroborated by the layout of the MDACIOCTL_GETCONTROLLERINFO data
58  * in 21.8
59  */
60 #define MLY_MAX_CHANNELS	6
61 #define MLY_MAX_TARGETS		16
62 #define MLY_MAX_LUNS		1
63 
64 /*
65  * 8.1 Different Device States
66  */
67 #define MLY_DEVICE_STATE_OFFLINE	0x08	/* DEAD/OFFLINE */
68 #define MLY_DEVICE_STATE_UNCONFIGURED	0x00
69 #define MLY_DEVICE_STATE_ONLINE		0x01
70 #define MLY_DEVICE_STATE_CRITICAL	0x09
71 #define MLY_DEVICE_STATE_WRITEONLY	0x03
72 #define MLY_DEVICE_STATE_STANDBY	0x21
73 #define MLY_DEVICE_STATE_MISSING	0x04	/* or-ed with (ONLINE or WRITEONLY or STANDBY) */
74 
75 /*
76  * 8.2 Device Type Field definitions
77  */
78 #define MLY_DEVICE_TYPE_RAID0		0x0	/* RAID 0 */
79 #define MLY_DEVICE_TYPE_RAID1		0x1	/* RAID 1 */
80 #define MLY_DEVICE_TYPE_RAID3		0x3	/* RAID 3 right asymmetric parity */
81 #define MLY_DEVICE_TYPE_RAID5		0x5	/* RAID 5 right asymmetric parity */
82 #define MLY_DEVICE_TYPE_RAID6		0x6	/* RAID 6 (Mylex RAID 6) */
83 #define MLY_DEVICE_TYPE_RAID7		0x7	/* RAID 7 (JBOD) */
84 #define MLY_DEVICE_TYPE_NEWSPAN		0x8	/* New Mylex SPAN */
85 #define MLY_DEVICE_TYPE_RAID3F		0x9	/* RAID 3 fixed parity */
86 #define MLY_DEVICE_TYPE_RAID3L		0xb	/* RAID 3 left symmetric parity */
87 #define MLY_DEVICE_TYPE_SPAN		0xc	/* current spanning implementation */
88 #define MLY_DEVICE_TYPE_RAID5L		0xd	/* RAID 5 left symmetric parity */
89 #define MLY_DEVICE_TYPE_RAIDE		0xe	/* RAID E (concatenation) */
90 #define MLY_DEVICE_TYPE_PHYSICAL	0xf	/* physical device */
91 
92 /*
93  * 8.3 Stripe Size
94  */
95 #define MLY_STRIPE_ZERO		0x0	/* no stripe (RAID 1, RAID 7, etc) */
96 #define MLY_STRIPE_512b		0x1
97 #define MLY_STRIPE_1k		0x2
98 #define MLY_STRIPE_2k		0x3
99 #define MLY_STRIPE_4k		0x4
100 #define MLY_STRIPE_8k		0x5
101 #define MLY_STRIPE_16k		0x6
102 #define MLY_STRIPE_32k		0x7
103 #define MLY_STRIPE_64k		0x8
104 #define MLY_STRIPE_128k		0x9
105 #define MLY_STRIPE_256k		0xa
106 #define MLY_STRIPE_512k		0xb
107 #define MLY_STRIPE_1m		0xc
108 
109 /*
110  * 8.4 Cacheline Size
111  */
112 #define MLY_CACHELINE_ZERO	0x0	/* caching cannot be enabled */
113 #define MLY_CACHELINE_512b	0x1
114 #define MLY_CACHELINE_1k	0x2
115 #define MLY_CACHELINE_2k	0x3
116 #define MLY_CACHELINE_4k	0x4
117 #define MLY_CACHELINE_8k	0x5
118 #define MLY_CACHELINE_16k	0x6
119 #define MLY_CACHELINE_32k	0x7
120 #define MLY_CACHELINE_64k	0x8
121 
122 /*
123  * 8.5 Read/Write control
124  */
125 #define MLY_RWCtl_INITTED	(1<<7)	/* if set, the logical device is initialised */
126 			/* write control */
127 #define MLY_RWCtl_WCD		(0)	/* write cache disabled */
128 #define MLY_RWCtl_WDISABLE	(1<<3)	/* writing disabled */
129 #define MLY_RWCtl_WCE		(2<<3)	/* write cache enabled */
130 #define MLY_RWCtl_IWCE		(3<<3)	/* intelligent write cache enabled */
131 			/* read control */
132 #define MLY_RWCtl_RCD		(0)	/* read cache is disabled */
133 #define MLY_RWCtl_RCE		(1)	/* read cache enabled */
134 #define MLY_RWCtl_RAHEAD	(2)	/* readahead enabled */
135 #define MLY_RWCtl_IRAHEAD	(3)	/* intelligent readahead enabled */
136 
137 /*
138  * 9.0 LUN Map Format
139  */
140 struct mly_lun_map {
141     u_int8_t	res1:4;
142     u_int8_t	host_port_mapped:1;	/* this system drive visibile to host on this controller/port combination */
143     u_int8_t	tid_valid:1;		/* target ID valid */
144     u_int8_t	hid_valid:1;		/* host ID valid */
145     u_int8_t	lun_valid:1;		/* LUN valid */
146     u_int8_t	res2;
147     u_int8_t	lun;			/* LUN */
148     u_int8_t	tid;			/* TID */
149     u_int8_t	hid[32];		/* HID (one bit for each host) */
150 } __packed;
151 
152 /*
153  * 10.1 Controller Parameters
154  */
155 struct mly_param_controller {
156     u_int8_t	rdahen:1;					/* N/A */
157     u_int8_t	bilodly:1;					/* N/A */
158     u_int8_t   	fua_disable:1;
159     u_int8_t	reass1s:1;					/* N/A */
160     u_int8_t	truvrfy:1;					/* N/A */
161     u_int8_t	dwtvrfy:1;					/* N/A */
162     u_int8_t	background_initialisation:1;
163     u_int8_t	clustering:1;					/* N/A */
164 
165     u_int8_t	bios_disable:1;
166     u_int8_t   	boot_from_cdrom:1;
167     u_int8_t	drive_coercion:1;
168     u_int8_t	write_same_disable:1;
169     u_int8_t	hba_mode:1;					/* N/A */
170     u_int8_t	bios_geometry:2;
171 #define MLY_BIOSGEOM_2G	0x0
172 #define MLY_BIOSGEOM_8G	0x1
173     u_int8_t	res1:1;						/* N/A */
174 
175     u_int8_t	res2[2];					/* N/A */
176 
177     u_int8_t	v_dec:1;
178     u_int8_t	safte:1;					/* N/A */
179     u_int8_t	ses:1;						/* N/A */
180     u_int8_t	res3:2;						/* N/A */
181     u_int8_t	v_arm:1;
182     u_int8_t	v_ofm:1;
183     u_int8_t	res4:1;						/* N/A */
184 
185     u_int8_t	rebuild_check_rate;
186     u_int8_t	cache_line_size;	/* see 8.4 */
187     u_int8_t	oem_code;
188 #define MLY_OEM_MYLEX	0x00
189 #define MLY_OEM_IBM	0x08
190 #define MLY_OEM_HP	0x0a
191 #define MLY_OEM_DEC	0x0c
192 #define MLY_OEM_SIEMENS	0x10
193 #define MLY_OEM_INTEL	0x12
194     u_int8_t	spinup_mode;
195 #define MLY_SPIN_AUTO		0
196 #define MLY_SPIN_PWRSPIN	1
197 #define MLY_SPIN_WSSUSPIN	2
198     u_int8_t	spinup_devices;
199     u_int8_t	spinup_interval;
200     u_int8_t	spinup_wait_time;
201 
202     u_int8_t	res5:3;						/* N/A */
203     u_int8_t	vutursns:1;					/* N/A */
204     u_int8_t	dccfil:1;					/* N/A */
205     u_int8_t	nopause:1;					/* N/A */
206     u_int8_t	disqfull:1;					/* N/A */
207     u_int8_t	disbusy:1;					/* N/A */
208 
209     u_int8_t	res6:2;						/* N/A */
210     u_int8_t	failover_node_name;				/* N/A */
211     u_int8_t	res7:1;						/* N/A */
212     u_int8_t	ftopo:3;					/* N/A */
213     u_int8_t	disable_ups:1;					/* N/A */
214 
215     u_int8_t	res8:1;						/* N/A */
216     u_int8_t	propagate_reset:1;				/* N/A */
217     u_int8_t	nonstd_mp_reset:1;				/* N/A */
218     u_int8_t	res9:5;						/* N/A */
219 
220     u_int8_t	res10;						/* N/A */
221     u_int8_t	serial_port_baud_rate;				/* N/A */
222     u_int8_t	serial_port_control;				/* N/A */
223     u_int8_t	change_stripe_ok_developer_flag_only;		/* N/A */
224 
225     u_int8_t	small_large_host_transfers:2;			/* N/A */
226     u_int8_t	frame_control:2;				/* N/A */
227     u_int8_t	pci_latency_control:2;				/* N/A */
228     u_int8_t	treat_lip_as_reset:1;				/* N/A */
229     u_int8_t	res11:1;					/* N/A */
230 
231     u_int8_t	ms_autorest:1;					/* N/A */
232     u_int8_t	res12:7;					/* N/A */
233 
234     u_int8_t	ms_aa_fsim:1;					/* N/A */
235     u_int8_t	ms_aa_ccach:1;					/* N/A */
236     u_int8_t	ms_aa_fault_signals:1;				/* N/A */
237     u_int8_t	ms_aa_c4_faults:1;				/* N/A */
238     u_int8_t	ms_aa_host_reset_delay_mask:4;			/* N/A */
239 
240     u_int8_t	ms_flg_simplex_no_rstcom:1;			/* N/A */
241     u_int8_t	res13:7;					/* N/A */
242 
243     u_int8_t	res14;						/* N/A */
244     u_int8_t	hardloopid[2][2];				/* N/A */
245     u_int8_t	ctrlname[2][16+1];				/* N/A */
246     u_int8_t	initiator_id;
247     u_int8_t	startup_option;
248 #define MLY_STARTUP_IF_NO_CHANGE	0x0
249 #define MLY_STARTUP_IF_NO_LUN_CHANGE	0x1
250 #define MLY_STARTUP_IF_NO_LUN_OFFLINE	0x2
251 #define MLY_STARTUP_IF_LUN0_NO_CHANGE	0x3
252 #define MLY_STARTUP_IF_LUN0_NOT_OFFLINE	0x4
253 #define MLY_STARTUP_ALWAYS		0x5
254 
255     u_int8_t	res15[62];
256 } __packed;
257 
258 /*
259  * 10.2 Physical Device Parameters
260  */
261 struct mly_param_physical_device {
262     u_int16_t	tags;
263     u_int16_t	speed;
264     u_int8_t	width;
265     u_int8_t	combing:1;
266     u_int8_t	res1:7;
267     u_int8_t	res2[3];
268 } __packed;
269 
270 /*
271  * 10.3 Logical Device Parameters
272  */
273 struct mly_param_logical_device {
274     u_int8_t	type;			/* see 8.2 */
275     u_int8_t	state;			/* see 8.1 */
276     u_int16_t	raid_device;
277     u_int8_t	res1;
278     u_int8_t	bios_geometry;		/* BIOS control word? */
279     u_int8_t	stripe_size;		/* see 8.3 */
280     u_int8_t	read_write_control;	/* see 8.5 */
281     u_int8_t	res2[8];
282 } __packed;
283 
284 /*
285  * 12.3 Health Status Buffer
286  *
287  * Pad to 128 bytes.
288  */
289 struct mly_health_status {
290     u_int32_t	uptime_us;				/* N/A */
291     u_int32_t	uptime_ms;				/* N/A */
292     u_int32_t	realtime;				/* N/A */
293     u_int32_t	res1;					/* N/A */
294     u_int32_t	change_counter;
295     u_int32_t	res2;					/* N/A */
296     u_int32_t	debug_message_index;			/* N/A */
297     u_int32_t	bios_message_index;			/* N/A */
298     u_int32_t	trace_page;				/* N/A */
299     u_int32_t	profiler_page;				/* N/A */
300     u_int32_t	next_event;
301     u_int8_t	res3[4 + 16 + 64];			/* N/A */
302 } __packed;
303 
304 /*
305  * 14.2 Timeout Bit Format
306  */
307 struct mly_timeout {
308     u_int8_t	value:6;
309     u_int8_t	scale:2;
310 #define MLY_TIMEOUT_SECONDS	0x0
311 #define MLY_TIMEOUT_MINUTES	0x1
312 #define MLY_TIMEOUT_HOURS	0x2
313 } __packed;
314 
315 /*
316  * 14.3 Operation Device
317  */
318 #define MLY_OPDEVICE_PHYSICAL_DEVICE		0x0
319 #define MLY_OPDEVICE_RAID_DEVICE		0x1
320 #define MLY_OPDEVICE_PHYSICAL_CHANNEL		0x2
321 #define MLY_OPDEVICE_RAID_CHANNEL		0x3
322 #define MLY_OPDEVICE_PHYSICAL_CONTROLLER	0x4
323 #define MLY_OPDEVICE_RAID_CONTROLLER		0x5
324 #define MLY_OPDEVICE_CONFIGURATION_GROUP	0x10
325 
326 /*
327  * 14.4 Status Bit Format
328  *
329  * AKA Status Mailbox Format
330  *
331  * XXX format conflict between FSI and PG6 over the ordering of the
332  * status and sense length fields.
333  */
334 struct mly_status {
335     u_int16_t	command_id;
336     u_int8_t	status;
337     u_int8_t	sense_length;
338     int32_t	residue;
339 } __packed;
340 
341 /*
342  * 14.5 Command Control Bit (CCB) format
343  *
344  * This byte is unfortunately named.
345  */
346 struct mly_command_control {
347     u_int8_t	force_unit_access:1;
348     u_int8_t	disable_page_out:1;
349     u_int8_t	res1:1;
350     u_int8_t	extended_sg_table:1;
351     u_int8_t	data_direction:1;
352 #define MLY_CCB_WRITE	1
353 #define MLY_CCB_READ	0
354     u_int8_t	res2:1;
355     u_int8_t	no_auto_sense:1;
356     u_int8_t	disable_disconnect:1;
357 } __packed;
358 
359 /*
360  * 15.0 Commands
361  *
362  * We use the command names as given by Mylex
363  */
364 #define MDACMD_MEMCOPY		0x1	/* memory to memory copy */
365 #define MDACMD_SCSIPT		0x2	/* SCSI passthrough (small command) */
366 #define MDACMD_SCSILCPT		0x3	/* SCSI passthrough (large command) */
367 #define MDACMD_SCSI		0x4	/* SCSI command for logical/phyiscal device (small command) */
368 #define MDACMD_SCSILC		0x5	/* SCSI command for logical/phyiscal device (large command) */
369 #define MDACMD_IOCTL		0x20	/* Management command */
370 #define MDACMD_IOCTLCHECK	0x23	/* Validate management command (not implemented) */
371 
372 /*
373  * 16.0 IOCTL command
374  *
375  * We use the IOCTL names as given by Mylex
376  * Note that only ioctls supported by the PCI controller family are listed
377  */
378 #define MDACIOCTL_GETCONTROLLERINFO		0x1
379 #define MDACIOCTL_GETLOGDEVINFOVALID		0x3
380 #define MDACIOCTL_GETPHYSDEVINFOVALID		0x5
381 #define MDACIOCTL_GETCONTROLLERSTATISTICS	0xb
382 #define MDACIOCTL_GETLOGDEVSTATISTICS		0xd
383 #define MDACIOCTL_GETPHYSDEVSTATISTICS		0xf
384 #define MDACIOCTL_GETHEALTHSTATUS		0x11
385 #define MDACIOCTL_GETEVENT			0x15
386 /* flash update */
387 #define MDACIOCTL_STOREIMAGE			0x2c
388 #define MDACIOCTL_READIMAGE			0x2d
389 #define MDACIOCTL_FLASHIMAGES			0x2e
390 /* battery backup unit */
391 #define MDACIOCTL_GET_SUBSYSTEM_DATA		0x70
392 #define MDACIOCTL_SET_SUBSYSTEM_DATA		0x71
393 /* non-data commands */
394 #define MDACIOCTL_STARTDISOCVERY		0x81
395 #define MDACIOCTL_SETRAIDDEVSTATE		0x82
396 #define MDACIOCTL_INITPHYSDEVSTART		0x84
397 #define MDACIOCTL_INITPHYSDEVSTOP		0x85
398 #define MDACIOCTL_INITRAIDDEVSTART		0x86
399 #define MDACIOCTL_INITRAIDDEVSTOP		0x87
400 #define MDACIOCTL_REBUILDRAIDDEVSTART		0x88
401 #define MDACIOCTL_REBUILDRAIDDEVSTOP		0x89
402 #define MDACIOCTL_MAKECONSISTENTDATASTART	0x8a
403 #define MDACIOCTL_MAKECONSISTENTDATASTOP	0x8b
404 #define MDACIOCTL_CONSISTENCYCHECKSTART		0x8c
405 #define MDACIOCTL_CONSISTENCYCHECKSTOP		0x8d
406 #define MDACIOCTL_SETMEMORYMAILBOX		0x8e
407 #define MDACIOCTL_RESETDEVICE			0x90
408 #define MDACIOCTL_FLUSHDEVICEDATA		0x91
409 #define MDACIOCTL_PAUSEDEVICE			0x92
410 #define MDACIOCTL_UNPAUSEDEVICE			0x93
411 #define MDACIOCTL_LOCATEDEVICE			0x94
412 #define MDACIOCTL_SETMASTERSLAVEMODE		0x95
413 #define MDACIOCTL_SETREALTIMECLOCK		0xac
414 /* RAID configuration */
415 #define MDACIOCTL_CREATENEWCONF			0xc0
416 #define MDACIOCTL_DELETERAIDDEV			0xc1
417 #define MDACIOCTL_REPLACEINTERNALDEV		0xc2
418 #define MDACIOCTL_RENAMERAIDDEV			0xc3
419 #define MDACIOCTL_ADDNEWCONF			0xc4
420 #define MDACIOCTL_XLATEPHYSDEVTORAIDDEV		0xc5
421 #define MDACIOCTL_MORE				0xc6
422 #define MDACIOCTL_SETPHYSDEVPARAMETER		0xc8
423 #define MDACIOCTL_GETPHYSDEVPARAMETER		0xc9
424 #define MDACIOCTL_CLEARCONF			0xca
425 #define MDACIOCTL_GETDEVCONFINFO		0xcb
426 #define MDACIOCTL_GETGROUPCONFINFO		0xcc
427 #define MDACIOCTL_GETFREESPACELIST		0xcd
428 #define MDACIOCTL_GETLOGDEVPARAMETER		0xce
429 #define MDACIOCTL_SETLOGDEVPARAMETER		0xcf
430 #define MDACIOCTL_GETCONTROLLERPARAMETER	0xd0
431 #define MDACIOCTL_SETCONTRLLERPARAMETER		0xd1
432 #define MDACIOCTL_CLEARCONFSUSPMODE		0xd2
433 #define MDACIOCTL_GETBDT_FOR_SYSDRIVE		0xe0
434 
435 /*
436  * 17.1.4 Data Transfer Memory Address Without SG List
437  */
438 struct mly_short_transfer {
439     struct mly_sg_entry	sg[2];
440 } __packed;
441 
442 /*
443  * 17.1.5 Data Transfer Memory Address With SG List
444  *
445  * Note that only the first s/g table is currently used.
446  */
447 struct mly_sg_transfer {
448     u_int16_t	entries[3];
449     u_int16_t	res1;
450     u_int64_t	table_physaddr[3];
451 } __packed;
452 
453 /*
454  * 17.1.3 Data Transfer Memory Address Format
455  */
456 union mly_command_transfer {
457     struct mly_short_transfer	direct;
458     struct mly_sg_transfer	indirect;
459 };
460 
461 /*
462  * 21.1  MDACIOCTL_SETREALTIMECLOCK
463  * 21.7  MDACIOCTL_GETHEALTHSTATUS
464  * 21.8  MDACIOCTL_GETCONTROLLERINFO
465  * 21.9  MDACIOCTL_GETLOGDEVINFOVALID
466  * 21.10 MDACIOCTL_GETPHYSDEVINFOVALID
467  * 21.11 MDACIOCTL_GETPHYSDEVSTATISTICS
468  * 21.12 MDACIOCTL_GETLOGDEVSTATISTICS
469  * 21.13 MDACIOCTL_GETCONTROLLERSTATISTICS
470  * 21.27 MDACIOCTL_GETBDT_FOR_SYSDRIVE
471  * 23.4  MDACIOCTL_CREATENEWCONF
472  * 23.5  MDACIOCTL_ADDNEWCONF
473  * 23.8  MDACIOCTL_GETDEVCONFINFO
474  * 23.9  MDACIOCTL_GETFREESPACELIST
475  * 24.1  MDACIOCTL_MORE
476  * 25.1  MDACIOCTL_GETPHYSDEVPARAMETER
477  * 25.2  MDACIOCTL_SETPHYSDEVPARAMETER
478  * 25.3  MDACIOCTL_GETLOGDEVPARAMETER
479  * 25.4  MDACIOCTL_SETLOGDEVPARAMETER
480  * 25.5  MDACIOCTL_GETCONTROLLERPARAMETER
481  * 25.6  MDACIOCTL_SETCONTROLLERPARAMETER
482  *
483  * These commands just transfer data
484  */
485 struct mly_ioctl_param_data {
486     u_int8_t			param[10];
487     union mly_command_transfer	transfer;
488 } __packed;
489 
490 /*
491  * 21.2 MDACIOCTL_SETMEMORYMAILBOX
492  */
493 struct mly_ioctl_param_setmemorymailbox {
494     u_int8_t	health_buffer_size;
495     u_int8_t	res1;
496     u_int64_t	health_buffer_physaddr;
497     u_int64_t	command_mailbox_physaddr;
498     u_int64_t	status_mailbox_physaddr;
499     u_int64_t	res2[2];
500 } __packed;
501 
502 /*
503  * 21.8.2 MDACIOCTL_GETCONTROLLERINFO: Data Format
504  */
505 struct mly_ioctl_getcontrollerinfo {
506     u_int8_t	res1;						/* N/A */
507     u_int8_t	interface_type;
508     u_int8_t	controller_type;
509     u_int8_t	res2;						/* N/A */
510     u_int16_t	interface_speed;
511     u_int8_t	interface_width;
512     u_int8_t	res3[9];					/* N/A */
513     char	interface_name[16];
514     char	controller_name[16];
515     u_int8_t	res4[16];					/* N/A */
516     /* firmware release information */
517     u_int8_t	fw_major;
518     u_int8_t	fw_minor;
519     u_int8_t	fw_turn;
520     u_int8_t	fw_build;
521     u_int8_t	fw_day;
522     u_int8_t	fw_month;
523     u_int8_t	fw_century;
524     u_int8_t	fw_year;
525     /* hardware release information */
526     u_int8_t	hw_revision;					/* N/A */
527     u_int8_t	res5[3];					/* N/A */
528     u_int8_t	hw_release_day;					/* N/A */
529     u_int8_t	hw_release_month;				/* N/A */
530     u_int8_t	hw_release_century;				/* N/A */
531     u_int8_t	hw_release_year;				/* N/A */
532     /* hardware manufacturing information */
533     u_int8_t	batch_number;					/* N/A */
534     u_int8_t	res6;						/* N/A */
535     u_int8_t	plant_number;
536     u_int8_t	res7;
537     u_int8_t	hw_manuf_day;
538     u_int8_t	hw_manuf_month;
539     u_int8_t	hw_manuf_century;
540     u_int8_t	hw_manuf_year;
541     u_int8_t	max_pdd_per_xldd;
542     u_int8_t	max_ildd_per_xldd;
543     u_int16_t	nvram_size;
544     u_int8_t	max_number_of_xld;				/* N/A */
545     u_int8_t	res8[3];					/* N/A */
546     /* unique information per controller */
547     char	serial_number[16];
548     u_int8_t	res9[16];					/* N/A */
549     /* vendor information */
550     u_int8_t	res10[3];					/* N/A */
551     u_int8_t	oem_information;
552     char	vendor_name[16];				/* N/A */
553     /* other physical/controller/operation information */
554     u_int8_t	bbu_present:1;
555     u_int8_t	active_clustering:1;
556     u_int8_t	res11:6;					/* N/A */
557     u_int8_t	res12[3];					/* N/A */
558     /* physical device scan information */
559     u_int8_t	physical_scan_active:1;
560     u_int8_t	res13:7;					/* N/A */
561     u_int8_t	physical_scan_channel;
562     u_int8_t	physical_scan_target;
563     u_int8_t	physical_scan_lun;
564     /* maximum command data transfer size */
565     u_int16_t	maximum_block_count;
566     u_int16_t	maximum_sg_entries;
567     /* logical/physical device counts */
568     u_int16_t	logical_devices_present;
569     u_int16_t	logical_devices_critical;
570     u_int16_t	logical_devices_offline;
571     u_int16_t	physical_devices_present;
572     u_int16_t	physical_disks_present;
573     u_int16_t	physical_disks_critical;			/* N/A */
574     u_int16_t	physical_disks_offline;
575     u_int16_t	maximum_parallel_commands;
576     /* channel and target ID information */
577     u_int8_t	physical_channels_present;
578     u_int8_t	virtual_channels_present;
579     u_int8_t	physical_channels_possible;
580     u_int8_t	virtual_channels_possible;
581     u_int8_t	maximum_targets_possible[16];			/* N/A (6 and up) */
582     u_int8_t	res14[12];					/* N/A */
583     /* memory/cache information */
584     u_int16_t	memory_size;
585     u_int16_t	cache_size;
586     u_int32_t	valid_cache_size;				/* N/A */
587     u_int32_t	dirty_cache_size;				/* N/A */
588     u_int16_t	memory_speed;
589     u_int8_t	memory_width;
590     u_int8_t	memory_type:5;
591     u_int8_t	res15:1;					/* N/A */
592     u_int8_t	memory_parity:1;
593     u_int8_t	memory_ecc:1;
594     char	memory_information[16];				/* N/A */
595     /* execution memory information */
596     u_int16_t	exmemory_size;
597     u_int16_t	l2cache_size;					/* N/A */
598     u_int8_t	res16[8];					/* N/A */
599     u_int16_t	exmemory_speed;
600     u_int8_t	exmemory_width;
601     u_int8_t	exmemory_type:5;
602     u_int8_t	res17:1;					/* N/A */
603     u_int8_t	exmemory_parity:1;
604     u_int8_t	exmemory_ecc:1;
605     char	exmemory_name[16];				/* N/A */
606     /* CPU information */
607     struct {
608 	u_int16_t	speed;
609 	u_int8_t	type;
610 	u_int8_t	number;
611 	u_int8_t	res1[12];				/* N/A */
612 	char		name[16];				/* N/A */
613     } cpu[2] __packed;
614     /* debugging/profiling/command time tracing information */
615     u_int16_t	profiling_page;					/* N/A */
616     u_int16_t	profiling_programs;				/* N/A */
617     u_int16_t	time_trace_page;				/* N/A */
618     u_int16_t	time_trace_programs;				/* N/A */
619     u_int8_t	res18[8];					/* N/A */
620     /* error counters on physical devices */
621     u_int16_t	physical_device_bus_resets;			/* N/A */
622     u_int16_t	physical_device_parity_errors;			/* N/A */
623     u_int16_t	physical_device_soft_errors;			/* N/A */
624     u_int16_t	physical_device_commands_failed;		/* N/A */
625     u_int16_t	physical_device_miscellaneous_errors;		/* N/A */
626     u_int16_t	physical_device_command_timeouts;		/* N/A */
627     u_int16_t	physical_device_selection_timeouts;		/* N/A */
628     u_int16_t	physical_device_retries;			/* N/A */
629     u_int16_t	physical_device_aborts;				/* N/A */
630     u_int16_t	physical_device_host_command_aborts;		/* N/A */
631     u_int16_t	physical_device_PFAs_detected;			/* N/A */
632     u_int16_t	physical_device_host_commands_failed;		/* N/A */
633     u_int8_t	res19[8];					/* N/A */
634     /* error counters on logical devices */
635     u_int16_t	logical_device_soft_errors;			/* N/A */
636     u_int16_t	logical_device_commands_failed;			/* N/A */
637     u_int16_t	logical_device_host_command_aborts;		/* N/A */
638     u_int16_t	res20;						/* N/A */
639     /* error counters on controller */
640     u_int16_t	controller_parity_ecc_errors;
641     u_int16_t	controller_host_command_aborts;			/* N/A */
642     u_int8_t	res21[4];					/* N/A */
643     /* long duration activity information */
644     u_int16_t	background_inits_active;
645     u_int16_t	logical_inits_active;
646     u_int16_t	physical_inits_active;
647     u_int16_t	consistency_checks_active;
648     u_int16_t	rebuilds_active;
649     u_int16_t	MORE_active;
650     u_int16_t	patrol_active;					/* N/A */
651     u_int8_t	long_operation_status;				/* N/A */
652     u_int8_t	res22;						/* N/A */
653     /* flash ROM information */
654     u_int8_t	flash_type;					/* N/A */
655     u_int8_t	res23;						/* N/A */
656     u_int16_t	flash_size;
657     u_int32_t	flash_maximum_age;
658     u_int32_t	flash_age;
659     u_int8_t	res24[4];					/* N/A */
660     char	flash_name[16];					/* N/A */
661     /* firmware runtime information */
662     u_int8_t	rebuild_rate;
663     u_int8_t	background_init_rate;
664     u_int8_t	init_rate;
665     u_int8_t	consistency_check_rate;
666     u_int8_t	res25[4];					/* N/A */
667     u_int32_t	maximum_dp;
668     u_int32_t	free_dp;
669     u_int32_t	maximum_iop;
670     u_int32_t	free_iop;
671     u_int16_t	maximum_comb_length;
672     u_int16_t	maximum_configuration_groups;
673     u_int8_t	installation_abort:1;
674     u_int8_t	maintenance:1;
675     u_int8_t	res26:6;					/* N/A */
676     u_int8_t	res27[3];					/* N/A */
677     u_int8_t	res28[32 + 512];				/* N/A */
678 } __packed;
679 
680 /*
681  * 21.9.2 MDACIOCTL_GETLOGDEVINFOVALID
682  */
683 struct mly_ioctl_getlogdevinfovalid {
684     u_int8_t	res1;						/* N/A */
685     u_int8_t	channel;
686     u_int8_t	target;
687     u_int8_t	lun;
688     u_int8_t	state;				/* see 8.1 */
689     u_int8_t	raid_level;			/* see 8.2 */
690     u_int8_t	stripe_size;			/* see 8.3 */
691     u_int8_t	cache_line_size;		/* see 8.4 */
692     u_int8_t	read_write_control;		/* see 8.5 */
693     u_int8_t	consistency_check:1;
694     u_int8_t	rebuild:1;
695     u_int8_t	make_consistent:1;
696     u_int8_t	initialisation:1;
697     u_int8_t	migration:1;
698     u_int8_t	patrol:1;
699     u_int8_t	res2:2;						/* N/A */
700     u_int8_t	ar5_limit;
701     u_int8_t	ar5_algo;
702     u_int16_t	logical_device_number;
703     u_int16_t	bios_control;
704     /* erorr counters */
705     u_int16_t	soft_errors;					/* N/A */
706     u_int16_t	commands_failed;				/* N/A */
707     u_int16_t	host_command_aborts;				/* N/A */
708     u_int16_t	deferred_write_errors;				/* N/A */
709     u_int8_t	res3[8];					/* N/A */
710     /* device size information */
711     u_int8_t	res4[2];					/* N/A */
712     u_int16_t	device_block_size;
713     u_int32_t	original_device_size;				/* N/A */
714     u_int32_t	device_size;			/* XXX "blocks or MB" Huh? */
715     u_int8_t	res5[4];					/* N/A */
716     char	device_name[32];				/* N/A */
717     u_int8_t	inquiry[36];
718     u_int8_t	res6[12];					/* N/A */
719     u_int64_t	last_read_block;				/* N/A */
720     u_int64_t	last_written_block;				/* N/A */
721     u_int64_t	consistency_check_block;
722     u_int64_t	rebuild_block;
723     u_int64_t	make_consistent_block;
724     u_int64_t	initialisation_block;
725     u_int64_t	migration_block;
726     u_int64_t	patrol_block;					/* N/A */
727     u_int8_t	res7[64];					/* N/A */
728 } __packed;
729 
730 /*
731  * 21.10.2 MDACIOCTL_GETPHYSDEVINFOVALID: Data Format
732  */
733 struct mly_ioctl_getphysdevinfovalid {
734     u_int8_t	res1;
735     u_int8_t	channel;
736     u_int8_t	target;
737     u_int8_t	lun;
738     u_int8_t	raid_ft:1;			/* configuration status */
739     u_int8_t	res2:1;						/* N/A */
740     u_int8_t	local:1;
741     u_int8_t	res3:5;
742     u_int8_t	host_dead:1;			/* multiple host/controller status *//* N/A */
743     u_int8_t	host_connection_dead:1;				/* N/A */
744     u_int8_t	res4:6;						/* N/A */
745     u_int8_t	state;				/* see 8.1 */
746     u_int8_t	width;
747     u_int16_t	speed;
748     /* multiported physical device information */
749     u_int8_t	ports_available;				/* N/A */
750     u_int8_t	ports_inuse;					/* N/A */
751     u_int8_t	res5[4];
752     u_int8_t	ether_address[16];				/* N/A */
753     u_int16_t	command_tags;
754     u_int8_t	consistency_check:1;				/* N/A */
755     u_int8_t	rebuild:1;					/* N/A */
756     u_int8_t	make_consistent:1;				/* N/A */
757     u_int8_t	initialisation:1;
758     u_int8_t	migration:1;					/* N/A */
759     u_int8_t	patrol:1;					/* N/A */
760     u_int8_t	res6:2;
761     u_int8_t	long_operation_status;				/* N/A */
762     u_int8_t	parity_errors;
763     u_int8_t	soft_errors;
764     u_int8_t	hard_errors;
765     u_int8_t	miscellaneous_errors;
766     u_int8_t	command_timeouts;				/* N/A */
767     u_int8_t	retries;					/* N/A */
768     u_int8_t	aborts;						/* N/A */
769     u_int8_t	PFAs_detected;					/* N/A */
770     u_int8_t	res7[6];
771     u_int16_t	block_size;
772     u_int32_t	original_device_size;		/* XXX "blocks or MB" Huh? */
773     u_int32_t	device_size;			/* XXX "blocks or MB" Huh? */
774     u_int8_t	res8[4];
775     char	name[16];					/* N/A */
776     u_int8_t	res9[16 + 32];
777     u_int8_t	inquiry[36];
778     u_int8_t	res10[12 + 16];
779     u_int64_t	last_read_block;				/* N/A */
780     u_int64_t	last_written_block;				/* N/A */
781     u_int64_t	consistency_check_block;			/* N/A */
782     u_int64_t	rebuild_block;					/* N/A */
783     u_int64_t	make_consistent_block;				/* N/A */
784     u_int64_t	initialisation_block;				/* N/A */
785     u_int64_t	migration_block;				/* N/A */
786     u_int64_t	patrol_block;					/* N/A */
787     u_int8_t	res11[256];
788 } __packed;
789 
790 union mly_devinfo {
791     struct mly_ioctl_getlogdevinfovalid		logdev;
792     struct mly_ioctl_getphysdevinfovalid	physdev;
793 };
794 
795 /*
796  * 21.11.2 MDACIOCTL_GETPHYSDEVSTATISTICS: Data Format
797  * 21.12.2 MDACIOCTL_GETLOGDEVSTATISTICS: Data Format
798  */
799 struct mly_ioctl_getdevstatistics {
800     u_int32_t	uptime_ms;			/* getphysedevstatistics only */
801     u_int8_t	res1[5];					/* N/A */
802     u_int8_t	channel;
803     u_int8_t	target;
804     u_int8_t	lun;
805     u_int16_t	raid_device;			/* getlogdevstatistics only */
806     u_int8_t	res2[2];					/* N/A */
807     /* total read/write performance including cache data */
808     u_int32_t	total_reads;
809     u_int32_t	total_writes;
810     u_int32_t	total_read_size;
811     u_int32_t	total_write_size;
812     /* cache read/write performance */
813     u_int32_t	cache_reads;					/* N/A */
814     u_int32_t	cache_writes;					/* N/A */
815     u_int32_t	cache_read_size;				/* N/A */
816     u_int32_t	cache_write_size;				/* N/A */
817     /* commands active/wait information */
818     u_int32_t	command_waits_done;				/* N/A */
819     u_int16_t	active_commands;				/* N/A */
820     u_int16_t	waiting_commands;				/* N/A */
821     u_int8_t	res3[8];					/* N/A */
822 } __packed;
823 
824 /*
825  * 21.13.2 MDACIOCTL_GETCONTROLLERSTATISTICS: Data Format
826  */
827 struct mly_ioctl_getcontrollerstatistics {
828     u_int32_t	uptime_ms;					/* N/A */
829     u_int8_t	res1[12];					/* N/A */
830     /* target physical device performance data information */
831     u_int32_t	target_physical_device_interrupts;		/* N/A */
832     u_int32_t	target_physical_device_stray_interrupts;	/* N/A */
833     u_int8_t	res2[8];					/* N/A */
834     u_int32_t	target_physical_device_reads;			/* N/A */
835     u_int32_t	target_physical_device_writes;			/* N/A */
836     u_int32_t	target_physical_device_read_size;		/* N/A */
837     u_int32_t	target_physical_device_write_size;		/* N/A */
838     /* host system performance data information */
839     u_int32_t	host_system_interrupts;				/* N/A */
840     u_int32_t	host_system_stray_interrupts;			/* N/A */
841     u_int32_t	host_system_sent_interrupts;			/* N/A */
842     u_int8_t	res3[4];					/* N/A */
843     u_int32_t	physical_device_reads;				/* N/A */
844     u_int32_t	physical_device_writes;				/* N/A */
845     u_int32_t	physical_device_read_size;			/* N/A */
846     u_int32_t	physical_device_write_size;			/* N/A */
847     u_int32_t	physical_device_cache_reads;			/* N/A */
848     u_int32_t	physical_device_cache_writes;			/* N/A */
849     u_int32_t	physical_device_cache_read_size;		/* N/A */
850     u_int32_t	physical_device_cache_write_size;		/* N/A */
851     u_int32_t	logical_device_reads;				/* N/A */
852     u_int32_t	logical_device_writes;				/* N/A */
853     u_int32_t	logical_device_read_size;			/* N/A */
854     u_int32_t	logical_device_write_size;			/* N/A */
855     u_int32_t	logical_device_cache_reads;			/* N/A */
856     u_int32_t	logical_device_cache_writes;			/* N/A */
857     u_int32_t	logical_device_cache_read_size;			/* N/A */
858     u_int32_t	logical_device_cache_write_size;		/* N/A */
859     u_int16_t	target_physical_device_commands_active;		/* N/A */
860     u_int16_t	target_physical_device_commands_waiting;	/* N/A */
861     u_int16_t	host_system_commands_active;			/* N/A */
862     u_int16_t	host_system_commands_waiting;			/* N/A */
863     u_int8_t	res4[48 + 64];					/* N/A */
864 } __packed;
865 
866 /*
867  * 21.2 MDACIOCTL_SETRAIDDEVSTATE
868  */
869 struct mly_ioctl_param_setraiddevstate {
870     u_int8_t	state;
871 } __packed;
872 
873 /*
874  * 21.27.2 MDACIOCTL_GETBDT_FOR_SYSDRIVE: Data Format
875  */
876 #define MLY_MAX_BDT_ENTRIES	1022
877 struct mly_ioctl_getbdt_for_sysdrive {
878     u_int32_t	num_of_bdt_entries;
879     u_int32_t	bad_data_block_address[MLY_MAX_BDT_ENTRIES];
880 } __packed;
881 
882 /*
883  * 22.1 Physical Device Definition (PDD)
884  */
885 struct mly_pdd {
886     u_int8_t	type;				/* see 8.2 */
887     u_int8_t	state;				/* see 8.1 */
888     u_int16_t	raid_device;
889     u_int32_t	device_size;			/* XXX "block or MB" Huh? */
890     u_int8_t	controller;
891     u_int8_t	channel;
892     u_int8_t	target;
893     u_int8_t	lun;
894     u_int32_t	start_address;
895 } __packed;
896 
897 /*
898  * 22.2 RAID Device Use Definition (UDD)
899  */
900 struct mly_udd {
901     u_int8_t	res1;
902     u_int8_t	state;				/* see 8.1 */
903     u_int16_t	raid_device;
904     u_int32_t	start_address;
905 } __packed;
906 
907 /*
908  * RAID Device Definition (LDD)
909  */
910 struct mly_ldd {
911     u_int8_t	type;				/* see 8.2 */
912     u_int8_t	state;				/* see 8.1 */
913     u_int16_t	raid_device;
914     u_int32_t	device_size;			/* XXX "block or MB" Huh? */
915     u_int8_t	devices_used_count;
916     u_int8_t	stripe_size;			/* see 8.3 */
917     u_int8_t	cache_line_size;		/* see 8.4 */
918     u_int8_t	read_write_control;		/* see 8.5 */
919     u_int32_t	devices_used_size;		/* XXX "block or MB" Huh? */
920     u_int16_t	devices_used[32];		/* XXX actual size of this field unknown! */
921 } __packed;
922 
923 /*
924  * Define a datastructure giving the smallest allocation that will hold
925  * a PDD, UDD or LDD for MDACIOCTL_GETDEVCONFINFO.
926  */
927 struct mly_devconf_hdr {
928     u_int8_t	type;				/* see 8.2 */
929     u_int8_t	state;				/* see 8.1 */
930     u_int16_t	raid_device;
931 };
932 
933 union mly_ioctl_devconfinfo {
934     struct mly_pdd		pdd;
935     struct mly_udd		udd;
936     struct mly_ldd		ldd;
937     struct mly_devconf_hdr	hdr;
938 };
939 
940 /*
941  * 22.3 MDACIOCTL_RENAMERAIDDEV
942  *
943  * XXX this command is listed as transferring data, but does not define the data.
944  */
945 struct mly_ioctl_param_renameraiddev {
946     u_int8_t	new_raid_device;
947 } __packed;
948 
949 /*
950  * 23.6.2 MDACIOCTL_XLATEPHYSDEVTORAIDDEV
951  *
952  * XXX documentation suggests this format will change
953  */
954 struct mly_ioctl_param_xlatephysdevtoraiddev {
955     u_int16_t	raid_device;
956     u_int8_t	res1[2];
957     u_int8_t	controller;
958     u_int8_t	channel;
959     u_int8_t	target;
960     u_int8_t	lun;
961 } __packed;
962 
963 /*
964  * 23.7 MDACIOCTL_GETGROUPCONFINFO
965  */
966 struct mly_ioctl_param_getgroupconfinfo {
967     u_int16_t			group;
968     u_int8_t			res1[8];
969     union mly_command_transfer	transfer;
970 } __packed;
971 
972 /*
973  * 23.9.2 MDACIOCTL_GETFREESPACELIST: Data Format
974  *
975  * The controller will populate as much of this structure as is provided,
976  * or as is required to fully list the free space available.
977  */
978 struct mly_ioctl_getfreespacelist_entry {
979     u_int16_t	raid_device;
980     u_int8_t	res1[6];
981     u_int32_t	address;		/* XXX "blocks or MB" Huh? */
982     u_int32_t	size;			/* XXX "blocks or MB" Huh? */
983 } __packed;
984 
985 struct mly_ioctl_getfrespacelist {
986     u_int16_t	returned_entries;
987     u_int16_t	total_entries;
988     u_int8_t	res1[12];
989     struct mly_ioctl_getfreespacelist_entry space[0];	/* expand to suit */
990 } __packed;
991 
992 /*
993  * 27.1 MDACIOCTL_GETSUBSYSTEMDATA
994  * 27.2 MDACIOCTL_SETSUBSYSTEMDATA
995  *
996  * PCI controller only supports a limited subset of the possible operations.
997  *
998  * XXX where does the status end up? (the command transfers no data)
999  */
1000 struct mly_ioctl_param_subsystemdata {
1001     u_int8_t	operation:4;
1002 #define MLY_BBU_GETSTATUS	0x00
1003 #define MLY_BBU_SET_THRESHOLD	0x00	/* minutes in param[0,1] */
1004     u_int8_t	subsystem:4;
1005 #define MLY_SUBSYSTEM_BBU	0x01
1006     u_int	parameter[3];		/* only for SETSUBSYSTEMDATA */
1007 } __packed;
1008 
1009 struct mly_ioctl_getsubsystemdata_bbustatus {
1010     u_int16_t	current_power;
1011     u_int16_t	maximum_power;
1012     u_int16_t	power_threshold;
1013     u_int8_t	charge_level;
1014     u_int8_t	hardware_version;
1015     u_int8_t	battery_type;
1016 #define MLY_BBU_TYPE_UNKNOWN	0x00
1017 #define MLY_BBU_TYPE_NICAD	0x01
1018 #define MLY_BBU_TYPE_MISSING	0xfe
1019     u_int8_t	res1;
1020     u_int8_t	operation_status;
1021 #define MLY_BBU_STATUS_NO_SYNC		0x01
1022 #define MLY_BBU_STATUS_OUT_OF_SYNC	0x02
1023 #define MLY_BBU_STATUS_FIRST_WARNING	0x04
1024 #define MLY_BBU_STATUS_SECOND_WARNING	0x08
1025 #define MLY_BBU_STATUS_RECONDITIONING	0x10
1026 #define MLY_BBU_STATUS_DISCHARGING	0x20
1027 #define MLY_BBU_STATUS_FASTCHARGING	0x40
1028     u_int8_t	res2;
1029 } __packed;
1030 
1031 /*
1032  * 28.9  MDACIOCTL_RESETDEVICE
1033  * 28.10 MDACIOCTL_FLUSHDEVICEDATA
1034  * 28.11 MDACIOCTL_PAUSEDEVICE
1035  * 28.12 MDACIOCTL_UNPAUSEDEVICE
1036  */
1037 struct mly_ioctl_param_deviceoperation {
1038     u_int8_t	operation_device;		/* see 14.3 */
1039 } __packed;
1040 
1041 /*
1042  * 31.1 Event Data Format
1043  */
1044 struct mly_event {
1045     u_int32_t	sequence_number;
1046     u_int32_t	timestamp;
1047     u_int32_t	code;
1048     u_int8_t	controller;
1049     u_int8_t	channel;
1050     u_int8_t	target;				/* also enclosure */
1051     u_int8_t	lun;				/* also enclosure unit */
1052     u_int8_t   	res1[4];
1053     u_int32_t	param;
1054     u_int8_t	sense[40];
1055 } __packed;
1056 
1057 /*
1058  * 31.2 MDACIOCTL_GETEVENT
1059  */
1060 struct mly_ioctl_param_getevent {
1061     u_int16_t			sequence_number_low;
1062     u_int8_t			res1[8];
1063     union mly_command_transfer	transfer;
1064 } __packed;
1065 
1066 union mly_ioctl_param {
1067     struct mly_ioctl_param_data				data;
1068     struct mly_ioctl_param_setmemorymailbox		setmemorymailbox;
1069     struct mly_ioctl_param_setraiddevstate		setraiddevstate;
1070     struct mly_ioctl_param_renameraiddev		renameraiddev;
1071     struct mly_ioctl_param_xlatephysdevtoraiddev	xlatephysdevtoraiddev;
1072     struct mly_ioctl_param_getgroupconfinfo		getgroupconfinfo;
1073     struct mly_ioctl_param_subsystemdata		subsystemdata;
1074     struct mly_ioctl_param_deviceoperation		deviceoperation;
1075     struct mly_ioctl_param_getevent			getevent;
1076 };
1077 
1078 /*
1079  * 19 SCSI Command Format
1080  */
1081 struct mly_command_address_physical {
1082     u_int8_t			lun;
1083     u_int8_t			target;
1084     u_int8_t			channel:3;
1085     u_int8_t			controller:5;
1086 } __packed;
1087 
1088 struct mly_command_address_logical {
1089     u_int16_t			logdev;
1090     u_int8_t			res1:3;
1091     u_int8_t			controller:5;
1092 } __packed;
1093 
1094 union mly_command_address {
1095     struct mly_command_address_physical	phys;
1096     struct mly_command_address_logical	log;
1097 };
1098 
1099 struct mly_command_generic {
1100     u_int16_t			command_id;
1101     u_int8_t			opcode;
1102     struct mly_command_control	command_control;
1103     u_int32_t			data_size;
1104     u_int64_t			sense_buffer_address;
1105     union mly_command_address	addr;
1106     struct mly_timeout		timeout;
1107     u_int8_t			maximum_sense_size;
1108     u_int8_t			res1[11];
1109     union mly_command_transfer	transfer;
1110 } __packed;
1111 
1112 
1113 /*
1114  * 19.1 MDACMD_SCSI & MDACMD_SCSIPT
1115  */
1116 #define MLY_CMD_SCSI_SMALL_CDB	10
1117 struct mly_command_scsi_small {
1118     u_int16_t			command_id;
1119     u_int8_t			opcode;
1120     struct mly_command_control	command_control;
1121     u_int32_t			data_size;
1122     u_int64_t			sense_buffer_address;
1123     union mly_command_address	addr;
1124     struct mly_timeout		timeout;
1125     u_int8_t			maximum_sense_size;
1126     u_int8_t			cdb_length;
1127     u_int8_t			cdb[MLY_CMD_SCSI_SMALL_CDB];
1128     union mly_command_transfer	transfer;
1129 } __packed;
1130 
1131 /*
1132  * 19.2 MDACMD_SCSILC & MDACMD_SCSILCPT
1133  */
1134 struct mly_command_scsi_large {
1135     u_int16_t			command_id;
1136     u_int8_t			opcode;
1137     struct mly_command_control	command_control;
1138     u_int32_t			data_size;
1139     u_int64_t			sense_buffer_address;
1140     union mly_command_address	addr;
1141     struct mly_timeout		timeout;
1142     u_int8_t			maximum_sense_size;
1143     u_int8_t			cdb_length;
1144     u_int16_t			res1;
1145     u_int64_t			cdb_physaddr;
1146     union mly_command_transfer	transfer;
1147 } __packed;
1148 
1149 /*
1150  * 20.1 IOCTL Command Format: Internal Bus
1151  */
1152 struct mly_command_ioctl {
1153     u_int16_t			command_id;
1154     u_int8_t			opcode;
1155     struct mly_command_control	command_control;
1156     u_int32_t			data_size;
1157     u_int64_t			sense_buffer_address;
1158     union mly_command_address	addr;
1159     struct mly_timeout		timeout;
1160     u_int8_t			maximum_sense_size;
1161     u_int8_t			sub_ioctl;
1162     union mly_ioctl_param	param;
1163 } __packed;
1164 
1165 /*
1166  * PG6: 8.2.2
1167  */
1168 struct mly_command_mmbox {
1169     u_int32_t			flag;
1170     u_int8_t			data[60];
1171 } __packed;
1172 
1173 union mly_command_packet {
1174     struct mly_command_generic		generic;
1175     struct mly_command_scsi_small	scsi_small;
1176     struct mly_command_scsi_large	scsi_large;
1177     struct mly_command_ioctl		ioctl;
1178     struct mly_command_mmbox		mmbox;
1179 };
1180 
1181 /*
1182  * PG6: 5.3
1183  */
1184 #define MLY_I960RX_COMMAND_MAILBOX	0x10
1185 #define MLY_I960RX_STATUS_MAILBOX	0x18
1186 #define MLY_I960RX_IDBR			0x20
1187 #define MLY_I960RX_ODBR			0x2c
1188 #define MLY_I960RX_ERROR_STATUS		0x2e
1189 #define MLY_I960RX_INTERRUPT_STATUS	0x30
1190 #define MLY_I960RX_INTERRUPT_MASK	0x34
1191 
1192 #define MLY_STRONGARM_COMMAND_MAILBOX	0x50
1193 #define MLY_STRONGARM_STATUS_MAILBOX	0x58
1194 #define MLY_STRONGARM_IDBR		0x60
1195 #define MLY_STRONGARM_ODBR		0x61
1196 #define MLY_STRONGARM_ERROR_STATUS	0x63
1197 #define MLY_STRONGARM_INTERRUPT_STATUS	0x30
1198 #define MLY_STRONGARM_INTERRUPT_MASK	0x34
1199 
1200 /*
1201  * PG6: 5.4.3 Doorbell 0
1202  */
1203 #define MLY_HM_CMDSENT			(1<<0)
1204 #define MLY_HM_STSACK			(1<<1)
1205 #define MLY_SOFT_RST			(1<<3)
1206 #define MLY_AM_CMDSENT			(1<<4)
1207 
1208 /*
1209  * PG6: 5.4.4 Doorbell 1
1210  *
1211  * Note that the documentation claims that these bits are set when the
1212  * status queue(s) are empty, wheras the Linux driver and experience
1213  * suggest they are set when there is status available.
1214  */
1215 #define MLY_HM_STSREADY			(1<<0)
1216 #define MLY_AM_STSREADY			(1<<1)
1217 
1218 /*
1219  * PG6: 5.4.6 Doorbell 3
1220  */
1221 #define MLY_MSG_EMPTY			(1<<3)
1222 #define MLY_MSG_SPINUP			0x08
1223 #define MLY_MSG_RACE_RECOVERY_FAIL	0x60
1224 #define MLY_MSG_RACE_IN_PROGRESS	0x70
1225 #define MLY_MSG_RACE_ON_CRITICAL	0xb0
1226 #define MLY_MSG_PARITY_ERROR		0xf0
1227 
1228 /*
1229  * PG6: 5.4.8 Outbound Interrupt Mask
1230  */
1231 #define MLY_INTERRUPT_MASK_DISABLE	0xff
1232 #define MLY_INTERRUPT_MASK_ENABLE	(0xff & ~(1<<2))
1233 
1234 /*
1235  * PG6: 8.2 Advanced Mailbox Scheme
1236  *
1237  * Note that this must be allocated on a 4k boundary, and all internal
1238  * fields must also reside on a 4k boundary.
1239  * We could dynamically size this structure, but the extra effort
1240  * is probably unjustified.  Note that these buffers do not need to be
1241  * adjacent - we just group them to simplify allocation of the bus-visible
1242  * buffer.
1243  *
1244  * XXX Note that for some reason, if MLY_MMBOX_COMMANDS is > 64, the controller
1245  * fails to respond to the command at (MLY_MMBOX_COMMANDS - 64).  It's not
1246  * wrapping to 0 at this point (determined by experimentation).  This is not
1247  * consistent with the Linux driver's implementation.
1248  * Whilst it's handy to have lots of room for status returns in case we end up
1249  * being slow getting back to completed commands, it seems unlikely that we
1250  * would get 64 commands ahead of the controller on the submissions side, so
1251  * the current workaround is to simply limit the command ring to 64 entries.
1252  */
1253 union mly_status_packet {
1254      struct mly_status		status;
1255      struct {
1256 	 u_int32_t		flag;
1257 	 u_int8_t		data[4];
1258      } __packed mmbox;
1259 };
1260 union mly_health_region {
1261     struct mly_health_status	status;
1262     u_int8_t			pad[1024];
1263 };
1264 
1265 #define MLY_MMBOX_COMMANDS		64
1266 #define MLY_MMBOX_STATUS		512
1267 struct mly_mmbox {
1268     union mly_command_packet	mmm_command[MLY_MMBOX_COMMANDS];
1269     union mly_status_packet	mmm_status[MLY_MMBOX_STATUS];
1270     union mly_health_region	mmm_health;
1271 } __packed;
1272