1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 1999 Michael Smith
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 *	$FreeBSD$
29 */
30
31#define MLX_BLKSIZE	512		/* fixed feature */
32#define MLX_PAGE_SIZE	4096		/* controller, not cpu, attribute */
33
34/*
35 * Selected command codes.
36 */
37#define MLX_CMD_ENQUIRY_OLD	0x05
38#define MLX_CMD_ENQUIRY		0x53
39#define MLX_CMD_ENQUIRY2	0x1c
40#define MLX_CMD_ENQSYSDRIVE	0x19
41#define MLX_CMD_READSG		0xb6
42#define MLX_CMD_WRITESG		0xb7
43#define MLX_CMD_READSG_OLD	0x82
44#define MLX_CMD_WRITESG_OLD	0x83
45#define MLX_CMD_FLUSH		0x0a
46#define MLX_CMD_LOGOP		0x72
47#define MLX_CMD_REBUILDASYNC	0x16
48#define MLX_CMD_CHECKASYNC	0x1e
49#define MLX_CMD_REBUILDSTAT	0x0c
50#define MLX_CMD_STOPCHANNEL	0x13
51#define MLX_CMD_STARTCHANNEL	0x12
52#define MLX_CMD_READ_CONFIG	0x4e
53#define MLX_CMD_DIRECT_CDB	0x04
54#define MLX_CMD_DEVICE_STATE	0x50
55
56#ifdef _KERNEL
57
58#define MLX_CFG_BASE0   0x10		/* first region */
59#define MLX_CFG_BASE1   0x14		/* second region (type 3 only) */
60
61/*
62 * Status values.
63 */
64#define MLX_STATUS_OK		0x0000
65#define MLX_STATUS_RDWROFFLINE	0x0002	/* read/write claims drive is offline */
66#define MLX_STATUS_WEDGED	0xdead	/* controller not listening */
67#define MLX_STATUS_LOST		0xbeef	/* never came back */
68#define MLX_STATUS_BUSY		0xffff	/* command is in controller */
69
70/*
71 * Accessor defines for the V3 interface.
72 */
73#define MLX_V3_MAILBOX		0x00
74#define	MLX_V3_STATUS_IDENT	0x0d
75#define MLX_V3_STATUS		0x0e
76#define MLX_V3_IDBR		0x40
77#define MLX_V3_ODBR		0x41
78#define MLX_V3_IER		0x43
79#define MLX_V3_FWERROR		0x3f
80#define MLX_V3_FWERROR_PARAM1	0x00
81#define MLX_V3_FWERROR_PARAM2	0x01
82
83#define MLX_V3_PUT_MAILBOX(sc, idx, val) bus_write_1(sc->mlx_mem, MLX_V3_MAILBOX + idx, val)
84#define MLX_V3_GET_STATUS_IDENT(sc)	 bus_read_1 (sc->mlx_mem, MLX_V3_STATUS_IDENT)
85#define MLX_V3_GET_STATUS(sc)		 bus_read_2 (sc->mlx_mem, MLX_V3_STATUS)
86#define MLX_V3_GET_IDBR(sc)		 bus_read_1 (sc->mlx_mem, MLX_V3_IDBR)
87#define MLX_V3_PUT_IDBR(sc, val)	 bus_write_1(sc->mlx_mem, MLX_V3_IDBR, val)
88#define MLX_V3_GET_ODBR(sc)		 bus_read_1 (sc->mlx_mem, MLX_V3_ODBR)
89#define MLX_V3_PUT_ODBR(sc, val)	 bus_write_1(sc->mlx_mem, MLX_V3_ODBR, val)
90#define MLX_V3_PUT_IER(sc, val)		 bus_write_1(sc->mlx_mem, MLX_V3_IER, val)
91#define MLX_V3_GET_FWERROR(sc)		 bus_read_1 (sc->mlx_mem, MLX_V3_FWERROR)
92#define MLX_V3_PUT_FWERROR(sc, val)	 bus_write_1(sc->mlx_mem, MLX_V3_FWERROR, val)
93#define MLX_V3_GET_FWERROR_PARAM1(sc)	 bus_read_1 (sc->mlx_mem, MLX_V3_FWERROR_PARAM1)
94#define MLX_V3_GET_FWERROR_PARAM2(sc)	 bus_read_1 (sc->mlx_mem, MLX_V3_FWERROR_PARAM2)
95
96#define MLX_V3_IDB_FULL		(1<<0)		/* mailbox is full */
97#define MLX_V3_IDB_INIT_BUSY	(1<<1)		/* initialisation in progress */
98
99#define MLX_V3_IDB_SACK		(1<<1)		/* acknowledge status read */
100
101#define MLX_V3_ODB_SAVAIL	(1<<0)		/* status is available */
102
103#define MLX_V3_FWERROR_PEND	(1<<2)		/* firmware error pending */
104
105/*
106 * Accessor defines for the V4 interface.
107 */
108#define MLX_V4_MAILBOX		0x1000
109#define MLX_V4_MAILBOX_LENGTH		16
110#define MLX_V4_STATUS_IDENT	0x1018
111#define MLX_V4_STATUS		0x101a
112#define MLX_V4_IDBR		0x0020
113#define MLX_V4_ODBR		0x002c
114#define MLX_V4_IER		0x0034
115#define MLX_V4_FWERROR		0x103f
116#define MLX_V4_FWERROR_PARAM1	0x1000
117#define MLX_V4_FWERROR_PARAM2	0x1001
118
119/* use longword access? */
120#define MLX_V4_PUT_MAILBOX(sc, idx, val) bus_write_1(sc->mlx_mem, MLX_V4_MAILBOX + idx, val)
121#define MLX_V4_GET_STATUS_IDENT(sc)	 bus_read_1 (sc->mlx_mem, MLX_V4_STATUS_IDENT)
122#define MLX_V4_GET_STATUS(sc)		 bus_read_2 (sc->mlx_mem, MLX_V4_STATUS)
123#define MLX_V4_GET_IDBR(sc)		 bus_read_4 (sc->mlx_mem, MLX_V4_IDBR)
124#define MLX_V4_PUT_IDBR(sc, val)	 bus_write_4(sc->mlx_mem, MLX_V4_IDBR, val)
125#define MLX_V4_GET_ODBR(sc)		 bus_read_4 (sc->mlx_mem, MLX_V4_ODBR)
126#define MLX_V4_PUT_ODBR(sc, val)	 bus_write_4(sc->mlx_mem, MLX_V4_ODBR, val)
127#define MLX_V4_PUT_IER(sc, val)		 bus_write_4(sc->mlx_mem, MLX_V4_IER, val)
128#define MLX_V4_GET_FWERROR(sc)		 bus_read_1 (sc->mlx_mem, MLX_V4_FWERROR)
129#define MLX_V4_PUT_FWERROR(sc, val)	 bus_write_1(sc->mlx_mem, MLX_V4_FWERROR, val)
130#define MLX_V4_GET_FWERROR_PARAM1(sc)	 bus_read_1 (sc->mlx_mem, MLX_V4_FWERROR_PARAM1)
131#define MLX_V4_GET_FWERROR_PARAM2(sc)	 bus_read_1 (sc->mlx_mem, MLX_V4_FWERROR_PARAM2)
132
133#define MLX_V4_IDB_FULL		(1<<0)		/* mailbox is full */
134#define MLX_V4_IDB_INIT_BUSY	(1<<1)		/* initialisation in progress */
135
136#define MLX_V4_IDB_HWMBOX_CMD	(1<<0)		/* posted hardware mailbox command */
137#define MLX_V4_IDB_SACK		(1<<1)		/* acknowledge status read */
138#define MLX_V4_IDB_MEMMBOX_CMD	(1<<4)		/* posted memory mailbox command */
139
140#define MLX_V4_ODB_HWSAVAIL	(1<<0)		/* status is available for hardware mailbox */
141#define MLX_V4_ODB_MEMSAVAIL	(1<<1)		/* status is available for memory mailbox */
142
143#define MLX_V4_ODB_HWMBOX_ACK	(1<<0)		/* ack status read from hardware mailbox */
144#define MLX_V4_ODB_MEMMBOX_ACK	(1<<1)		/* ack status read from memory mailbox */
145
146#define MLX_V4_IER_MASK		0xfb		/* message unit interrupt mask */
147#define MLX_V4_IER_DISINT	(1<<2)		/* interrupt disable bit */
148
149#define MLX_V4_FWERROR_PEND	(1<<2)		/* firmware error pending */
150
151/*
152 * Accessor defines for the V5 interface
153 */
154#define MLX_V5_MAILBOX		0x50
155#define MLX_V5_MAILBOX_LENGTH		16
156#define MLX_V5_STATUS_IDENT	0x5d
157#define MLX_V5_STATUS		0x5e
158#define MLX_V5_IDBR		0x60
159#define MLX_V5_ODBR		0x61
160#define MLX_V5_IER		0x34
161#define MLX_V5_FWERROR		0x63
162#define MLX_V5_FWERROR_PARAM1	0x50
163#define MLX_V5_FWERROR_PARAM2	0x51
164
165#define MLX_V5_PUT_MAILBOX(sc, idx, val) bus_write_1(sc->mlx_mem, MLX_V5_MAILBOX + idx, val)
166#define MLX_V5_GET_STATUS_IDENT(sc)	 bus_read_1 (sc->mlx_mem, MLX_V5_STATUS_IDENT)
167#define MLX_V5_GET_STATUS(sc)		 bus_read_2 (sc->mlx_mem, MLX_V5_STATUS)
168#define MLX_V5_GET_IDBR(sc)		 bus_read_1 (sc->mlx_mem, MLX_V5_IDBR)
169#define MLX_V5_PUT_IDBR(sc, val)	 bus_write_1(sc->mlx_mem, MLX_V5_IDBR, val)
170#define MLX_V5_GET_ODBR(sc)		 bus_read_1 (sc->mlx_mem, MLX_V5_ODBR)
171#define MLX_V5_PUT_ODBR(sc, val)	 bus_write_1(sc->mlx_mem, MLX_V5_ODBR, val)
172#define MLX_V5_PUT_IER(sc, val)		 bus_write_1(sc->mlx_mem, MLX_V5_IER, val)
173#define MLX_V5_GET_FWERROR(sc)		 bus_read_1 (sc->mlx_mem, MLX_V5_FWERROR)
174#define MLX_V5_PUT_FWERROR(sc, val)	 bus_write_1(sc->mlx_mem, MLX_V5_FWERROR, val)
175#define MLX_V5_GET_FWERROR_PARAM1(sc)	 bus_read_1 (sc->mlx_mem, MLX_V5_FWERROR_PARAM1)
176#define MLX_V5_GET_FWERROR_PARAM2(sc)	 bus_read_1 (sc->mlx_mem, MLX_V5_FWERROR_PARAM2)
177
178#define MLX_V5_IDB_EMPTY	(1<<0)		/* mailbox is empty */
179#define MLX_V5_IDB_INIT_DONE	(1<<1)		/* initialisation has completed */
180
181#define MLX_V5_IDB_HWMBOX_CMD	(1<<0)		/* posted hardware mailbox command */
182#define MLX_V5_IDB_SACK		(1<<1)		/* acknowledge status read */
183#define MLX_V5_IDB_RESET	(1<<3)		/* reset request */
184#define MLX_V5_IDB_MEMMBOX_CMD	(1<<4)		/* posted memory mailbox command */
185
186#define MLX_V5_ODB_HWSAVAIL	(1<<0)		/* status is available for hardware mailbox */
187#define MLX_V5_ODB_MEMSAVAIL	(1<<1)		/* status is available for memory mailbox */
188
189#define MLX_V5_ODB_HWMBOX_ACK	(1<<0)		/* ack status read from hardware mailbox */
190#define MLX_V5_ODB_MEMMBOX_ACK	(1<<1)		/* ack status read from memory mailbox */
191
192#define MLX_V5_IER_DISINT	(1<<2)		/* interrupt disable bit */
193
194#define MLX_V5_FWERROR_PEND	(1<<2)		/* firmware error pending */
195
196#endif /* _KERNEL */
197
198/*
199 * Scatter-gather list format, type 1, kind 00.
200 */
201struct mlx_sgentry
202{
203    u_int32_t	sg_addr;
204    u_int32_t	sg_count;
205} __packed;
206
207/*
208 * Command result buffers, as placed in system memory by the controller.
209 */
210
211struct mlx_enquiry_old	/* MLX_CMD_ENQUIRY_OLD */
212{
213    u_int8_t		me_num_sys_drvs;
214    u_int8_t		res1[3];
215    u_int32_t		me_drvsize[8];
216    u_int16_t		me_flash_age;
217    u_int8_t		me_status_flags;
218    u_int8_t		me_free_state_change_count;
219    u_int8_t		me_fwminor;
220    u_int8_t		me_fwmajor;
221    u_int8_t		me_rebuild_flag;
222    u_int8_t		me_max_commands;
223    u_int8_t		me_offline_sd_count;
224    u_int8_t		res3;
225    u_int8_t		me_critical_sd_count;
226    u_int8_t		res4[3];
227    u_int8_t		me_dead_count;
228    u_int8_t		res5;
229    u_int8_t		me_rebuild_count;
230    u_int8_t		me_misc_flags;
231    struct
232    {
233	u_int8_t	dd_targ;
234	u_int8_t	dd_chan;
235    } __packed me_dead[20];
236} __packed;
237
238struct mlx_enquiry	/* MLX_CMD_ENQUIRY */
239{
240    u_int8_t		me_num_sys_drvs;
241    u_int8_t		res1[3];
242    u_int32_t		me_drvsize[32];
243    u_int16_t		me_flash_age;
244    u_int8_t		me_status_flags;
245#define MLX_ENQ_SFLAG_DEFWRERR	(1<<0)	/* deferred write error indicator */
246#define MLX_ENQ_SFLAG_BATTLOW	(1<<1)	/* battery low */
247    u_int8_t		res2;
248    u_int8_t		me_fwminor;
249    u_int8_t		me_fwmajor;
250    u_int8_t		me_rebuild_flag;
251    u_int8_t		me_max_commands;
252    u_int8_t		me_offline_sd_count;
253    u_int8_t		res3;
254    u_int16_t		me_event_log_seq_num;
255    u_int8_t		me_critical_sd_count;
256    u_int8_t		res4[3];
257    u_int8_t		me_dead_count;
258    u_int8_t		res5;
259    u_int8_t		me_rebuild_count;
260    u_int8_t		me_misc_flags;
261#define MLX_ENQ_MISC_BBU	(1<<3)	/* battery backup present */
262    struct
263    {
264	u_int8_t	dd_targ;
265	u_int8_t	dd_chan;
266    } __packed me_dead[20];
267} __packed;
268
269struct mlx_enquiry2	/* MLX_CMD_ENQUIRY2 */
270{
271    u_int32_t		me_hardware_id;
272    u_int32_t		me_firmware_id;
273    u_int32_t		res1;
274    u_int8_t		me_configured_channels;
275    u_int8_t		me_actual_channels;
276    u_int8_t		me_max_targets;
277    u_int8_t		me_max_tags;
278    u_int8_t		me_max_sys_drives;
279    u_int8_t		me_max_arms;
280    u_int8_t		me_max_spans;
281    u_int8_t		res2;
282    u_int32_t		res3;
283    u_int32_t		me_mem_size;
284    u_int32_t		me_cache_size;
285    u_int32_t		me_flash_size;
286    u_int32_t		me_nvram_size;
287    u_int16_t		me_mem_type;
288    u_int16_t		me_clock_speed;
289    u_int16_t		me_mem_speed;
290    u_int16_t		me_hardware_speed;
291    u_int8_t		res4[12];
292    u_int16_t		me_max_commands;
293    u_int16_t		me_max_sg;
294    u_int16_t		me_max_dp;
295    u_int16_t		me_max_iod;
296    u_int16_t		me_max_comb;
297    u_int8_t		me_latency;
298    u_int8_t		res5;
299    u_int8_t		me_scsi_timeout;
300    u_int8_t		res6;
301    u_int16_t		me_min_freelines;
302    u_int8_t		res7[8];
303    u_int8_t		me_rate_const;
304    u_int8_t		res8[11];
305    u_int16_t		me_physblk;
306    u_int16_t		me_logblk;
307    u_int16_t		me_maxblk;
308    u_int16_t		me_blocking_factor;
309    u_int16_t		me_cacheline;
310    u_int8_t		me_scsi_cap;
311    u_int8_t		res9[5];
312    u_int16_t		me_firmware_build;
313    u_int8_t		me_fault_mgmt_type;
314    u_int8_t		res10;
315    u_int32_t		me_firmware_features;
316    u_int8_t		res11[8];
317} __packed;
318
319struct mlx_enq_sys_drive /* MLX_CMD_ENQSYSDRIVE returns an array of 32 of these */
320{
321    u_int32_t		sd_size;
322    u_int8_t		sd_state;
323    u_int8_t		sd_raidlevel;
324    u_int16_t		res1;
325} __packed;
326
327struct mlx_eventlog_entry	/* MLX_CMD_LOGOP/MLX_LOGOP_GET */
328{
329    u_int8_t		el_type;
330    u_int8_t		el_length;
331    u_char		el_target:5;
332    u_char		el_channel:3;
333    u_char		el_lun:6;
334    u_char		res1:2;
335    u_int16_t		el_seqno;
336    u_char		el_errorcode:7;
337    u_char		el_valid:1;
338    u_int8_t		el_segment;
339    u_char		el_sensekey:4;
340    u_char		res2:1;
341    u_char		el_ILI:1;
342    u_char		el_EOM:1;
343    u_char		el_filemark:1;
344    u_int8_t		el_information[4];
345    u_int8_t		el_addsense;
346    u_int8_t		el_csi[4];
347    u_int8_t		el_asc;
348    u_int8_t		el_asq;
349    u_int8_t		res3[12];
350} __packed;
351
352#define MLX_LOGOP_GET		0x00	/* operation codes for MLX_CMD_LOGOP */
353#define MLX_LOGMSG_SENSE	0x00	/* log message contents codes */
354
355struct mlx_rebuild_stat	/* MLX_CMD_REBUILDSTAT */
356{
357    u_int32_t	rb_drive;
358    u_int32_t	rb_size;
359    u_int32_t	rb_remaining;
360} __packed;
361
362struct mlx_config2
363{
364    u_int16_t	cf_flags1;
365#define MLX_CF2_ACTV_NEG	(1<<1)
366#define MLX_CF2_NORSTRTRY	(1<<7)
367#define MLX_CF2_STRGWRK		(1<<8)
368#define MLX_CF2_HPSUPP		(1<<9)
369#define MLX_CF2_NODISCN		(1<<10)
370#define MLX_CF2_ARM    		(1<<13)
371#define MLX_CF2_OFM		(1<<15)
372#define MLX_CF2_AEMI (MLX_CF2_ARM | MLX_CF2_OFM)
373    u_int8_t	cf_oemid;
374    u_int8_t	cf_oem_model;
375    u_int8_t	cf_physical_sector;
376    u_int8_t	cf_logical_sector;
377    u_int8_t	cf_blockfactor;
378    u_int8_t	cf_flags2;
379#define MLX_CF2_READAH		(1<<0)
380#define MLX_CF2_BIOSDLY		(1<<1)
381#define MLX_CF2_REASS1S		(1<<4)
382#define MLX_CF2_FUAENABL	(1<<6)
383#define MLX_CF2_R5ALLS		(1<<7)
384    u_int8_t	cf_rcrate;
385    u_int8_t	cf_res1;
386    u_int8_t	cf_blocks_per_cache_line;
387    u_int8_t	cf_blocks_per_stripe;
388    u_int8_t	cf_scsi_param_0;
389    u_int8_t	cf_scsi_param_1;
390    u_int8_t	cf_scsi_param_2;
391    u_int8_t	cf_scsi_param_3;
392    u_int8_t	cf_scsi_param_4;
393    u_int8_t	cf_scsi_param_5;
394    u_int8_t	cf_scsi_initiator_id;
395    u_int8_t	cf_res2;
396    u_int8_t	cf_startup_mode;
397    u_int8_t	cf_simultaneous_spinup_devices;
398    u_int8_t	cf_delay_between_spinups;
399    u_int8_t	cf_res3;
400    u_int16_t	cf_checksum;
401} __packed;
402
403struct mlx_sys_drv_span
404{
405    u_int32_t	sp_start_lba;
406    u_int32_t	sp_nblks;
407    u_int8_t	sp_arm[8];
408} __packed;
409
410struct mlx_sys_drv
411{
412    u_int8_t	sd_status;
413    u_int8_t	sd_ext_status;
414    u_int8_t	sd_mod1;
415    u_int8_t	sd_mod2;
416    u_int8_t	sd_raidlevel;
417#define MLX_SYS_DRV_WRITEBACK	(1<<7)
418#define MLX_SYS_DRV_RAID0	0
419#define MLX_SYS_DRV_RAID1	1
420#define MLX_SYS_DRV_RAID3	3
421#define MLX_SYS_DRV_RAID5	5
422#define MLX_SYS_DRV_RAID6	6
423#define MLX_SYS_DRV_JBOD	7
424    u_int8_t	sd_valid_arms;
425    u_int8_t	sd_valid_spans;
426    u_int8_t	sd_init_state;
427#define MLX_SYS_DRV_INITTED	0x81;
428    struct mlx_sys_drv_span sd_span[4];
429} __packed;
430
431struct mlx_phys_drv
432{
433    u_int8_t	pd_flags1;
434#define	MLX_PHYS_DRV_PRESENT	(1<<0)
435    u_int8_t	pd_flags2;
436#define MLX_PHYS_DRV_OTHER	0x00
437#define MLX_PHYS_DRV_DISK	0x01
438#define MLX_PHYS_DRV_SEQUENTIAL	0x02
439#define MLX_PHYS_DRV_CDROM	0x03
440#define MLX_PHYS_DRV_FAST20	(1<<3)
441#define MLX_PHYS_DRV_SYNC	(1<<4)
442#define MLX_PHYS_DRV_FAST	(1<<5)
443#define MLX_PHYS_DRV_WIDE	(1<<6)
444#define MLX_PHYS_DRV_TAG	(1<<7)
445    u_int8_t	pd_status;
446#define MLX_PHYS_DRV_DEAD	0x00
447#define MLX_PHYS_DRV_WRONLY	0x02
448#define MLX_PHYS_DRV_ONLINE	0x03
449#define MLX_PHYS_DRV_STANDBY	0x10
450    u_int8_t	pd_res1;
451    u_int8_t	pd_period;
452    u_int8_t	pd_offset;
453    u_int32_t	pd_config_size;
454} __packed;
455
456struct mlx_core_cfg
457{
458    u_int8_t	cc_num_sys_drives;
459    u_int8_t	cc_res1[3];
460    struct mlx_sys_drv	cc_sys_drives[32];
461    struct mlx_phys_drv cc_phys_drives[5 * 16];
462} __packed;
463
464struct mlx_dcdb
465{
466    u_int8_t	dcdb_target:4;
467    u_int8_t	dcdb_channel:4;
468    u_int8_t	dcdb_flags;
469#define MLX_DCDB_NO_DATA	0x00
470#define MLX_DCDB_DATA_IN	0x01
471#define MLX_DCDB_DATA_OUT	0x02
472#define MLX_DCDB_EARLY_STATUS		(1<<2)
473#define MLX_DCDB_TIMEOUT_10S	0x10
474#define MLX_DCDB_TIMEOUT_60S	0x20
475#define MLX_DCDB_TIMEOUT_20M	0x30
476#define MLX_DCDB_TIMEOUT_24H	0x40
477#define MLX_DCDB_NO_AUTO_SENSE	(1<<6)
478#define MLX_DCDB_DISCONNECT	(1<<7)
479    u_int16_t	dcdb_datasize;
480    u_int32_t	dcdb_physaddr;
481    u_int8_t	dcdb_cdb_length:4;
482    u_int8_t	dcdb_datasize_high:4;
483    u_int8_t	dcdb_sense_length;
484    u_int8_t	dcdb_cdb[12];
485    u_int8_t	dcdb_sense[64];
486    u_int8_t	dcdb_status;
487    u_int8_t	res1;
488} __packed;
489
490struct mlx_bbtable_entry
491{
492    u_int32_t	bbt_block_number;
493    u_int8_t	bbt_extent;
494    u_int8_t	res1;
495    u_int8_t	bbt_entry_type;
496    u_int8_t	bbt_system_drive:5;
497    u_int8_t	res2:3;
498} __packed;
499
500#ifdef _KERNEL
501/*
502 * Inlines to build various command structures
503 */
504static __inline void
505mlx_make_type1(struct mlx_command *mc,
506	       u_int8_t code,
507	       u_int16_t f1,
508	       u_int32_t f2,
509	       u_int8_t f3,
510	       u_int32_t f4,
511	       u_int8_t f5)
512{
513    mc->mc_mailbox[0x0] = code;
514    mc->mc_mailbox[0x2] = f1 & 0xff;
515    mc->mc_mailbox[0x3] = (((f2 >> 24) & 0x3) << 6) | ((f1 >> 8) & 0x3f);
516    mc->mc_mailbox[0x4] = f2 & 0xff;
517    mc->mc_mailbox[0x5] = (f2 >> 8) & 0xff;
518    mc->mc_mailbox[0x6] = (f2 >> 16) & 0xff;
519    mc->mc_mailbox[0x7] = f3;
520    mc->mc_mailbox[0x8] = f4 & 0xff;
521    mc->mc_mailbox[0x9] = (f4 >> 8) & 0xff;
522    mc->mc_mailbox[0xa] = (f4 >> 16) & 0xff;
523    mc->mc_mailbox[0xb] = (f4 >> 24) & 0xff;
524    mc->mc_mailbox[0xc] = f5;
525}
526
527static __inline void
528mlx_make_type2(struct mlx_command *mc,
529	       u_int8_t code,
530	       u_int8_t f1,
531	       u_int8_t f2,
532	       u_int8_t f3,
533	       u_int8_t f4,
534	       u_int8_t f5,
535	       u_int8_t f6,
536	       u_int32_t f7,
537	       u_int8_t f8)
538{
539    mc->mc_mailbox[0x0] = code;
540    mc->mc_mailbox[0x2] = f1;
541    mc->mc_mailbox[0x3] = f2;
542    mc->mc_mailbox[0x4] = f3;
543    mc->mc_mailbox[0x5] = f4;
544    mc->mc_mailbox[0x6] = f5;
545    mc->mc_mailbox[0x7] = f6;
546    mc->mc_mailbox[0x8] = f7 & 0xff;
547    mc->mc_mailbox[0x9] = (f7 >> 8) & 0xff;
548    mc->mc_mailbox[0xa] = (f7 >> 16) & 0xff;
549    mc->mc_mailbox[0xb] = (f7 >> 24) & 0xff;
550    mc->mc_mailbox[0xc] = f8;
551}
552
553static __inline void
554mlx_make_type3(struct mlx_command *mc,
555	       u_int8_t code,
556	       u_int8_t f1,
557	       u_int8_t f2,
558	       u_int16_t f3,
559	       u_int8_t f4,
560	       u_int8_t f5,
561	       u_int32_t f6,
562	       u_int8_t f7)
563{
564    mc->mc_mailbox[0x0] = code;
565    mc->mc_mailbox[0x2] = f1;
566    mc->mc_mailbox[0x3] = f2;
567    mc->mc_mailbox[0x4] = f3 & 0xff;
568    mc->mc_mailbox[0x5] = (f3 >> 8) & 0xff;
569    mc->mc_mailbox[0x6] = f4;
570    mc->mc_mailbox[0x7] = f5;
571    mc->mc_mailbox[0x8] = f6 & 0xff;
572    mc->mc_mailbox[0x9] = (f6 >> 8) & 0xff;
573    mc->mc_mailbox[0xa] = (f6 >> 16) & 0xff;
574    mc->mc_mailbox[0xb] = (f6 >> 24) & 0xff;
575    mc->mc_mailbox[0xc] = f7;
576}
577
578static __inline void
579mlx_make_type4(struct mlx_command *mc,
580	       u_int8_t code,
581	       u_int16_t f1,
582	       u_int32_t f2,
583	       u_int32_t f3,
584	       u_int8_t f4)
585{
586    mc->mc_mailbox[0x0] = code;
587    mc->mc_mailbox[0x2] = f1 & 0xff;
588    mc->mc_mailbox[0x3] = (f1 >> 8) & 0xff;
589    mc->mc_mailbox[0x4] = f2 & 0xff;
590    mc->mc_mailbox[0x5] = (f2 >> 8) & 0xff;
591    mc->mc_mailbox[0x6] = (f2 >> 16) & 0xff;
592    mc->mc_mailbox[0x7] = (f2 >> 24) & 0xff;
593    mc->mc_mailbox[0x8] = f3 & 0xff;
594    mc->mc_mailbox[0x9] = (f3 >> 8) & 0xff;
595    mc->mc_mailbox[0xa] = (f3 >> 16) & 0xff;
596    mc->mc_mailbox[0xb] = (f3 >> 24) & 0xff;
597    mc->mc_mailbox[0xc] = f4;
598}
599
600static __inline void
601mlx_make_type5(struct mlx_command *mc,
602	       u_int8_t code,
603	       u_int8_t f1,
604	       u_int8_t f2,
605	       u_int32_t f3,
606	       u_int32_t f4,
607	       u_int8_t f5)
608{
609    mc->mc_mailbox[0x0] = code;
610    mc->mc_mailbox[0x2] = f1;
611    mc->mc_mailbox[0x3] = f2;
612    mc->mc_mailbox[0x4] = f3 & 0xff;
613    mc->mc_mailbox[0x5] = (f3 >> 8) & 0xff;
614    mc->mc_mailbox[0x6] = (f3 >> 16) & 0xff;
615    mc->mc_mailbox[0x7] = (f3 >> 24) & 0xff;
616    mc->mc_mailbox[0x8] = f4 & 0xff;
617    mc->mc_mailbox[0x9] = (f4 >> 8) & 0xff;
618    mc->mc_mailbox[0xa] = (f4 >> 16) & 0xff;
619    mc->mc_mailbox[0xb] = (f4 >> 24) & 0xff;
620    mc->mc_mailbox[0xc] = f5;
621}
622
623#endif /* _KERNEL */
624