xref: /freebsd/sys/dev/mlx/mlxreg.h (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
1 /*-
2  * Copyright (c) 1999 Michael Smith
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
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.
13  *
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
24  * SUCH DAMAGE.
25  *
26  *	$FreeBSD$
27  */
28 
29 #define MLX_BLKSIZE	512		/* fixed feature */
30 #define MLX_PAGE_SIZE	4096		/* controller, not cpu, attribute */
31 
32 /*
33  * Selected command codes.
34  */
35 #define MLX_CMD_ENQUIRY_OLD	0x05
36 #define MLX_CMD_ENQUIRY		0x53
37 #define MLX_CMD_ENQUIRY2	0x1c
38 #define MLX_CMD_ENQSYSDRIVE	0x19
39 #define MLX_CMD_READSG		0xb6
40 #define MLX_CMD_WRITESG		0xb7
41 #define MLX_CMD_READSG_OLD	0x82
42 #define MLX_CMD_WRITESG_OLD	0x83
43 #define MLX_CMD_FLUSH		0x0a
44 #define MLX_CMD_LOGOP		0x72
45 #define MLX_CMD_REBUILDASYNC	0x16
46 #define MLX_CMD_CHECKASYNC	0x1e
47 #define MLX_CMD_REBUILDSTAT	0x0c
48 #define MLX_CMD_STOPCHANNEL	0x13
49 #define MLX_CMD_STARTCHANNEL	0x12
50 #define MLX_CMD_READ_CONFIG	0x4e
51 #define MLX_CMD_DIRECT_CDB	0x04
52 #define MLX_CMD_DEVICE_STATE	0x50
53 
54 #ifdef _KERNEL
55 
56 #define MLX_CFG_BASE0   0x10		/* first region */
57 #define MLX_CFG_BASE1   0x14		/* second region (type 3 only) */
58 
59 /*
60  * Status values.
61  */
62 #define MLX_STATUS_OK		0x0000
63 #define MLX_STATUS_RDWROFFLINE	0x0002	/* read/write claims drive is offline */
64 #define MLX_STATUS_WEDGED	0xdead	/* controller not listening */
65 #define MLX_STATUS_LOST		0xbeef	/* never came back */
66 #define MLX_STATUS_BUSY		0xffff	/* command is in controller */
67 
68 /*
69  * Accessor defines for the V3 interface.
70  */
71 #define MLX_V3_MAILBOX		0x00
72 #define	MLX_V3_STATUS_IDENT	0x0d
73 #define MLX_V3_STATUS		0x0e
74 #define MLX_V3_IDBR		0x40
75 #define MLX_V3_ODBR		0x41
76 #define MLX_V3_IER		0x43
77 #define MLX_V3_FWERROR		0x3f
78 #define MLX_V3_FWERROR_PARAM1	0x00
79 #define MLX_V3_FWERROR_PARAM2	0x01
80 
81 #define MLX_V3_PUT_MAILBOX(sc, idx, val) bus_space_write_1(sc->mlx_btag, sc->mlx_bhandle, MLX_V3_MAILBOX + idx, val)
82 #define MLX_V3_GET_STATUS_IDENT(sc)	 bus_space_read_1 (sc->mlx_btag, sc->mlx_bhandle, MLX_V3_STATUS_IDENT)
83 #define MLX_V3_GET_STATUS(sc)		 bus_space_read_2 (sc->mlx_btag, sc->mlx_bhandle, MLX_V3_STATUS)
84 #define MLX_V3_GET_IDBR(sc)		 bus_space_read_1 (sc->mlx_btag, sc->mlx_bhandle, MLX_V3_IDBR)
85 #define MLX_V3_PUT_IDBR(sc, val)	 bus_space_write_1(sc->mlx_btag, sc->mlx_bhandle, MLX_V3_IDBR, val)
86 #define MLX_V3_GET_ODBR(sc)		 bus_space_read_1 (sc->mlx_btag, sc->mlx_bhandle, MLX_V3_ODBR)
87 #define MLX_V3_PUT_ODBR(sc, val)	 bus_space_write_1(sc->mlx_btag, sc->mlx_bhandle, MLX_V3_ODBR, val)
88 #define MLX_V3_PUT_IER(sc, val)		 bus_space_write_1(sc->mlx_btag, sc->mlx_bhandle, MLX_V3_IER, val)
89 #define MLX_V3_GET_FWERROR(sc)		 bus_space_read_1 (sc->mlx_btag, sc->mlx_bhandle, MLX_V3_FWERROR)
90 #define MLX_V3_PUT_FWERROR(sc, val)	 bus_space_write_1(sc->mlx_btag, sc->mlx_bhandle, MLX_V3_FWERROR, val)
91 #define MLX_V3_GET_FWERROR_PARAM1(sc)	 bus_space_read_1 (sc->mlx_btag, sc->mlx_bhandle, MLX_V3_FWERROR_PARAM1)
92 #define MLX_V3_GET_FWERROR_PARAM2(sc)	 bus_space_read_1 (sc->mlx_btag, sc->mlx_bhandle, MLX_V3_FWERROR_PARAM2)
93 
94 #define MLX_V3_IDB_FULL		(1<<0)		/* mailbox is full */
95 #define MLX_V3_IDB_INIT_BUSY	(1<<1)		/* initialisation in progress */
96 
97 #define MLX_V3_IDB_SACK		(1<<1)		/* acknowledge status read */
98 
99 #define MLX_V3_ODB_SAVAIL	(1<<0)		/* status is available */
100 
101 #define MLX_V3_FWERROR_PEND	(1<<2)		/* firmware error pending */
102 
103 /*
104  * Accessor defines for the V4 interface.
105  */
106 #define MLX_V4_MAILBOX		0x1000
107 #define MLX_V4_MAILBOX_LENGTH		16
108 #define MLX_V4_STATUS_IDENT	0x1018
109 #define MLX_V4_STATUS		0x101a
110 #define MLX_V4_IDBR		0x0020
111 #define MLX_V4_ODBR		0x002c
112 #define MLX_V4_IER		0x0034
113 #define MLX_V4_FWERROR		0x103f
114 #define MLX_V4_FWERROR_PARAM1	0x1000
115 #define MLX_V4_FWERROR_PARAM2	0x1001
116 
117 /* use longword access? */
118 #define MLX_V4_PUT_MAILBOX(sc, idx, val) bus_space_write_1(sc->mlx_btag, sc->mlx_bhandle, MLX_V4_MAILBOX + idx, val)
119 #define MLX_V4_GET_STATUS_IDENT(sc)	 bus_space_read_1 (sc->mlx_btag, sc->mlx_bhandle, MLX_V4_STATUS_IDENT)
120 #define MLX_V4_GET_STATUS(sc)		 bus_space_read_2 (sc->mlx_btag, sc->mlx_bhandle, MLX_V4_STATUS)
121 #define MLX_V4_GET_IDBR(sc)		 bus_space_read_4 (sc->mlx_btag, sc->mlx_bhandle, MLX_V4_IDBR)
122 #define MLX_V4_PUT_IDBR(sc, val)	 bus_space_write_4(sc->mlx_btag, sc->mlx_bhandle, MLX_V4_IDBR, val)
123 #define MLX_V4_GET_ODBR(sc)		 bus_space_read_4 (sc->mlx_btag, sc->mlx_bhandle, MLX_V4_ODBR)
124 #define MLX_V4_PUT_ODBR(sc, val)	 bus_space_write_4(sc->mlx_btag, sc->mlx_bhandle, MLX_V4_ODBR, val)
125 #define MLX_V4_PUT_IER(sc, val)		 bus_space_write_4(sc->mlx_btag, sc->mlx_bhandle, MLX_V4_IER, val)
126 #define MLX_V4_GET_FWERROR(sc)		 bus_space_read_1 (sc->mlx_btag, sc->mlx_bhandle, MLX_V4_FWERROR)
127 #define MLX_V4_PUT_FWERROR(sc, val)	 bus_space_write_1(sc->mlx_btag, sc->mlx_bhandle, MLX_V4_FWERROR, val)
128 #define MLX_V4_GET_FWERROR_PARAM1(sc)	 bus_space_read_1 (sc->mlx_btag, sc->mlx_bhandle, MLX_V4_FWERROR_PARAM1)
129 #define MLX_V4_GET_FWERROR_PARAM2(sc)	 bus_space_read_1 (sc->mlx_btag, sc->mlx_bhandle, MLX_V4_FWERROR_PARAM2)
130 
131 #define MLX_V4_IDB_FULL		(1<<0)		/* mailbox is full */
132 #define MLX_V4_IDB_INIT_BUSY	(1<<1)		/* initialisation in progress */
133 
134 #define MLX_V4_IDB_HWMBOX_CMD	(1<<0)		/* posted hardware mailbox command */
135 #define MLX_V4_IDB_SACK		(1<<1)		/* acknowledge status read */
136 #define MLX_V4_IDB_MEMMBOX_CMD	(1<<4)		/* posted memory mailbox command */
137 
138 #define MLX_V4_ODB_HWSAVAIL	(1<<0)		/* status is available for hardware mailbox */
139 #define MLX_V4_ODB_MEMSAVAIL	(1<<1)		/* status is available for memory mailbox */
140 
141 #define MLX_V4_ODB_HWMBOX_ACK	(1<<0)		/* ack status read from hardware mailbox */
142 #define MLX_V4_ODB_MEMMBOX_ACK	(1<<1)		/* ack status read from memory mailbox */
143 
144 #define MLX_V4_IER_MASK		0xfb		/* message unit interrupt mask */
145 #define MLX_V4_IER_DISINT	(1<<2)		/* interrupt disable bit */
146 
147 #define MLX_V4_FWERROR_PEND	(1<<2)		/* firmware error pending */
148 
149 /*
150  * Accessor defines for the V5 interface
151  */
152 #define MLX_V5_MAILBOX		0x50
153 #define MLX_V5_MAILBOX_LENGTH		16
154 #define MLX_V5_STATUS_IDENT	0x5d
155 #define MLX_V5_STATUS		0x5e
156 #define MLX_V5_IDBR		0x60
157 #define MLX_V5_ODBR		0x61
158 #define MLX_V5_IER		0x34
159 #define MLX_V5_FWERROR		0x63
160 #define MLX_V5_FWERROR_PARAM1	0x50
161 #define MLX_V5_FWERROR_PARAM2	0x51
162 
163 #define MLX_V5_PUT_MAILBOX(sc, idx, val) bus_space_write_1(sc->mlx_btag, sc->mlx_bhandle, MLX_V5_MAILBOX + idx, val)
164 #define MLX_V5_GET_STATUS_IDENT(sc)	 bus_space_read_1 (sc->mlx_btag, sc->mlx_bhandle, MLX_V5_STATUS_IDENT)
165 #define MLX_V5_GET_STATUS(sc)		 bus_space_read_2 (sc->mlx_btag, sc->mlx_bhandle, MLX_V5_STATUS)
166 #define MLX_V5_GET_IDBR(sc)		 bus_space_read_1 (sc->mlx_btag, sc->mlx_bhandle, MLX_V5_IDBR)
167 #define MLX_V5_PUT_IDBR(sc, val)	 bus_space_write_1(sc->mlx_btag, sc->mlx_bhandle, MLX_V5_IDBR, val)
168 #define MLX_V5_GET_ODBR(sc)		 bus_space_read_1 (sc->mlx_btag, sc->mlx_bhandle, MLX_V5_ODBR)
169 #define MLX_V5_PUT_ODBR(sc, val)	 bus_space_write_1(sc->mlx_btag, sc->mlx_bhandle, MLX_V5_ODBR, val)
170 #define MLX_V5_PUT_IER(sc, val)		 bus_space_write_1(sc->mlx_btag, sc->mlx_bhandle, MLX_V5_IER, val)
171 #define MLX_V5_GET_FWERROR(sc)		 bus_space_read_1 (sc->mlx_btag, sc->mlx_bhandle, MLX_V5_FWERROR)
172 #define MLX_V5_PUT_FWERROR(sc, val)	 bus_space_write_1(sc->mlx_btag, sc->mlx_bhandle, MLX_V5_FWERROR, val)
173 #define MLX_V5_GET_FWERROR_PARAM1(sc)	 bus_space_read_1 (sc->mlx_btag, sc->mlx_bhandle, MLX_V5_FWERROR_PARAM1)
174 #define MLX_V5_GET_FWERROR_PARAM2(sc)	 bus_space_read_1 (sc->mlx_btag, sc->mlx_bhandle, MLX_V5_FWERROR_PARAM2)
175 
176 #define MLX_V5_IDB_EMPTY	(1<<0)		/* mailbox is empty */
177 #define MLX_V5_IDB_INIT_DONE	(1<<1)		/* initialisation has completed */
178 
179 #define MLX_V5_IDB_HWMBOX_CMD	(1<<0)		/* posted hardware mailbox command */
180 #define MLX_V5_IDB_SACK		(1<<1)		/* acknowledge status read */
181 #define MLX_V5_IDB_RESET	(1<<3)		/* reset request */
182 #define MLX_V5_IDB_MEMMBOX_CMD	(1<<4)		/* posted memory mailbox command */
183 
184 #define MLX_V5_ODB_HWSAVAIL	(1<<0)		/* status is available for hardware mailbox */
185 #define MLX_V5_ODB_MEMSAVAIL	(1<<1)		/* status is available for memory mailbox */
186 
187 #define MLX_V5_ODB_HWMBOX_ACK	(1<<0)		/* ack status read from hardware mailbox */
188 #define MLX_V5_ODB_MEMMBOX_ACK	(1<<1)		/* ack status read from memory mailbox */
189 
190 #define MLX_V5_IER_DISINT	(1<<2)		/* interrupt disable bit */
191 
192 #define MLX_V5_FWERROR_PEND	(1<<2)		/* firmware error pending */
193 
194 #endif /* _KERNEL */
195 
196 /*
197  * Scatter-gather list format, type 1, kind 00.
198  */
199 struct mlx_sgentry
200 {
201     u_int32_t	sg_addr;
202     u_int32_t	sg_count;
203 } __packed;
204 
205 /*
206  * Command result buffers, as placed in system memory by the controller.
207  */
208 
209 struct mlx_enquiry_old	/* MLX_CMD_ENQUIRY_OLD */
210 {
211     u_int8_t		me_num_sys_drvs;
212     u_int8_t		res1[3];
213     u_int32_t		me_drvsize[8];
214     u_int16_t		me_flash_age;
215     u_int8_t		me_status_flags;
216     u_int8_t		me_free_state_change_count;
217     u_int8_t		me_fwminor;
218     u_int8_t		me_fwmajor;
219     u_int8_t		me_rebuild_flag;
220     u_int8_t		me_max_commands;
221     u_int8_t		me_offline_sd_count;
222     u_int8_t		res3;
223     u_int8_t		me_critical_sd_count;
224     u_int8_t		res4[3];
225     u_int8_t		me_dead_count;
226     u_int8_t		res5;
227     u_int8_t		me_rebuild_count;
228     u_int8_t		me_misc_flags;
229     struct
230     {
231 	u_int8_t	dd_targ;
232 	u_int8_t	dd_chan;
233     } __packed me_dead[20];
234 } __packed;
235 
236 struct mlx_enquiry	/* MLX_CMD_ENQUIRY */
237 {
238     u_int8_t		me_num_sys_drvs;
239     u_int8_t		res1[3];
240     u_int32_t		me_drvsize[32];
241     u_int16_t		me_flash_age;
242     u_int8_t		me_status_flags;
243 #define MLX_ENQ_SFLAG_DEFWRERR	(1<<0)	/* deferred write error indicator */
244 #define MLX_ENQ_SFLAG_BATTLOW	(1<<1)	/* battery low */
245     u_int8_t		res2;
246     u_int8_t		me_fwminor;
247     u_int8_t		me_fwmajor;
248     u_int8_t		me_rebuild_flag;
249     u_int8_t		me_max_commands;
250     u_int8_t		me_offline_sd_count;
251     u_int8_t		res3;
252     u_int16_t		me_event_log_seq_num;
253     u_int8_t		me_critical_sd_count;
254     u_int8_t		res4[3];
255     u_int8_t		me_dead_count;
256     u_int8_t		res5;
257     u_int8_t		me_rebuild_count;
258     u_int8_t		me_misc_flags;
259 #define MLX_ENQ_MISC_BBU	(1<<3)	/* battery backup present */
260     struct
261     {
262 	u_int8_t	dd_targ;
263 	u_int8_t	dd_chan;
264     } __packed me_dead[20];
265 } __packed;
266 
267 struct mlx_enquiry2	/* MLX_CMD_ENQUIRY2 */
268 {
269     u_int32_t		me_hardware_id;
270     u_int32_t		me_firmware_id;
271     u_int32_t		res1;
272     u_int8_t		me_configured_channels;
273     u_int8_t		me_actual_channels;
274     u_int8_t		me_max_targets;
275     u_int8_t		me_max_tags;
276     u_int8_t		me_max_sys_drives;
277     u_int8_t		me_max_arms;
278     u_int8_t		me_max_spans;
279     u_int8_t		res2;
280     u_int32_t		res3;
281     u_int32_t		me_mem_size;
282     u_int32_t		me_cache_size;
283     u_int32_t		me_flash_size;
284     u_int32_t		me_nvram_size;
285     u_int16_t		me_mem_type;
286     u_int16_t		me_clock_speed;
287     u_int16_t		me_mem_speed;
288     u_int16_t		me_hardware_speed;
289     u_int8_t		res4[12];
290     u_int16_t		me_max_commands;
291     u_int16_t		me_max_sg;
292     u_int16_t		me_max_dp;
293     u_int16_t		me_max_iod;
294     u_int16_t		me_max_comb;
295     u_int8_t		me_latency;
296     u_int8_t		res5;
297     u_int8_t		me_scsi_timeout;
298     u_int8_t		res6;
299     u_int16_t		me_min_freelines;
300     u_int8_t		res7[8];
301     u_int8_t		me_rate_const;
302     u_int8_t		res8[11];
303     u_int16_t		me_physblk;
304     u_int16_t		me_logblk;
305     u_int16_t		me_maxblk;
306     u_int16_t		me_blocking_factor;
307     u_int16_t		me_cacheline;
308     u_int8_t		me_scsi_cap;
309     u_int8_t		res9[5];
310     u_int16_t		me_firmware_build;
311     u_int8_t		me_fault_mgmt_type;
312     u_int8_t		res10;
313     u_int32_t		me_firmware_features;
314     u_int8_t		res11[8];
315 } __packed;
316 
317 struct mlx_enq_sys_drive /* MLX_CMD_ENQSYSDRIVE returns an array of 32 of these */
318 {
319     u_int32_t		sd_size;
320     u_int8_t		sd_state;
321     u_int8_t		sd_raidlevel;
322     u_int16_t		res1;
323 } __packed;
324 
325 struct mlx_eventlog_entry	/* MLX_CMD_LOGOP/MLX_LOGOP_GET */
326 {
327     u_int8_t		el_type;
328     u_int8_t		el_length;
329     u_char		el_target:5;
330     u_char		el_channel:3;
331     u_char		el_lun:6;
332     u_char		res1:2;
333     u_int16_t		el_seqno;
334     u_char		el_errorcode:7;
335     u_char		el_valid:1;
336     u_int8_t		el_segment;
337     u_char		el_sensekey:4;
338     u_char		res2:1;
339     u_char		el_ILI:1;
340     u_char		el_EOM:1;
341     u_char		el_filemark:1;
342     u_int8_t		el_information[4];
343     u_int8_t		el_addsense;
344     u_int8_t		el_csi[4];
345     u_int8_t		el_asc;
346     u_int8_t		el_asq;
347     u_int8_t		res3[12];
348 } __packed;
349 
350 #define MLX_LOGOP_GET		0x00	/* operation codes for MLX_CMD_LOGOP */
351 #define MLX_LOGMSG_SENSE	0x00	/* log message contents codes */
352 
353 struct mlx_rebuild_stat	/* MLX_CMD_REBUILDSTAT */
354 {
355     u_int32_t	rb_drive;
356     u_int32_t	rb_size;
357     u_int32_t	rb_remaining;
358 } __packed;
359 
360 struct mlx_config2
361 {
362     u_int16_t	cf_flags1;
363 #define MLX_CF2_ACTV_NEG	(1<<1)
364 #define MLX_CF2_NORSTRTRY	(1<<7)
365 #define MLX_CF2_STRGWRK		(1<<8)
366 #define MLX_CF2_HPSUPP		(1<<9)
367 #define MLX_CF2_NODISCN		(1<<10)
368 #define MLX_CF2_ARM    		(1<<13)
369 #define MLX_CF2_OFM		(1<<15)
370 #define MLX_CF2_AEMI (MLX_CF2_ARM | MLX_CF2_OFM)
371     u_int8_t	cf_oemid;
372     u_int8_t	cf_oem_model;
373     u_int8_t	cf_physical_sector;
374     u_int8_t	cf_logical_sector;
375     u_int8_t	cf_blockfactor;
376     u_int8_t	cf_flags2;
377 #define MLX_CF2_READAH		(1<<0)
378 #define MLX_CF2_BIOSDLY		(1<<1)
379 #define MLX_CF2_REASS1S		(1<<4)
380 #define MLX_CF2_FUAENABL	(1<<6)
381 #define MLX_CF2_R5ALLS		(1<<7)
382     u_int8_t	cf_rcrate;
383     u_int8_t	cf_res1;
384     u_int8_t	cf_blocks_per_cache_line;
385     u_int8_t	cf_blocks_per_stripe;
386     u_int8_t	cf_scsi_param_0;
387     u_int8_t	cf_scsi_param_1;
388     u_int8_t	cf_scsi_param_2;
389     u_int8_t	cf_scsi_param_3;
390     u_int8_t	cf_scsi_param_4;
391     u_int8_t	cf_scsi_param_5;
392     u_int8_t	cf_scsi_initiator_id;
393     u_int8_t	cf_res2;
394     u_int8_t	cf_startup_mode;
395     u_int8_t	cf_simultaneous_spinup_devices;
396     u_int8_t	cf_delay_between_spinups;
397     u_int8_t	cf_res3;
398     u_int16_t	cf_checksum;
399 } __packed;
400 
401 struct mlx_sys_drv_span
402 {
403     u_int32_t	sp_start_lba;
404     u_int32_t	sp_nblks;
405     u_int8_t	sp_arm[8];
406 } __packed;
407 
408 struct mlx_sys_drv
409 {
410     u_int8_t	sd_status;
411     u_int8_t	sd_ext_status;
412     u_int8_t	sd_mod1;
413     u_int8_t	sd_mod2;
414     u_int8_t	sd_raidlevel;
415 #define MLX_SYS_DRV_WRITEBACK	(1<<7)
416 #define MLX_SYS_DRV_RAID0	0
417 #define MLX_SYS_DRV_RAID1	1
418 #define MLX_SYS_DRV_RAID3	3
419 #define MLX_SYS_DRV_RAID5	5
420 #define MLX_SYS_DRV_RAID6	6
421 #define MLX_SYS_DRV_JBOD	7
422     u_int8_t	sd_valid_arms;
423     u_int8_t	sd_valid_spans;
424     u_int8_t	sd_init_state;
425 #define MLX_SYS_DRV_INITTED	0x81;
426     struct mlx_sys_drv_span sd_span[4];
427 } __packed;
428 
429 struct mlx_phys_drv
430 {
431     u_int8_t	pd_flags1;
432 #define	MLX_PHYS_DRV_PRESENT	(1<<0)
433     u_int8_t	pd_flags2;
434 #define MLX_PHYS_DRV_OTHER	0x00
435 #define MLX_PHYS_DRV_DISK	0x01
436 #define MLX_PHYS_DRV_SEQUENTIAL	0x02
437 #define MLX_PHYS_DRV_CDROM	0x03
438 #define MLX_PHYS_DRV_FAST20	(1<<3)
439 #define MLX_PHYS_DRV_SYNC	(1<<4)
440 #define MLX_PHYS_DRV_FAST	(1<<5)
441 #define MLX_PHYS_DRV_WIDE	(1<<6)
442 #define MLX_PHYS_DRV_TAG	(1<<7)
443     u_int8_t	pd_status;
444 #define MLX_PHYS_DRV_DEAD	0x00
445 #define MLX_PHYS_DRV_WRONLY	0x02
446 #define MLX_PHYS_DRV_ONLINE	0x03
447 #define MLX_PHYS_DRV_STANDBY	0x10
448     u_int8_t	pd_res1;
449     u_int8_t	pd_period;
450     u_int8_t	pd_offset;
451     u_int32_t	pd_config_size;
452 } __packed;
453 
454 struct mlx_core_cfg
455 {
456     u_int8_t	cc_num_sys_drives;
457     u_int8_t	cc_res1[3];
458     struct mlx_sys_drv	cc_sys_drives[32];
459     struct mlx_phys_drv cc_phys_drives[5 * 16];
460 } __packed;
461 
462 struct mlx_dcdb
463 {
464     u_int8_t	dcdb_target:4;
465     u_int8_t	dcdb_channel:4;
466     u_int8_t	dcdb_flags;
467 #define MLX_DCDB_NO_DATA	0x00
468 #define MLX_DCDB_DATA_IN	0x01
469 #define MLX_DCDB_DATA_OUT	0x02
470 #define MLX_DCDB_EARLY_STATUS		(1<<2)
471 #define MLX_DCDB_TIMEOUT_10S	0x10
472 #define MLX_DCDB_TIMEOUT_60S	0x20
473 #define MLX_DCDB_TIMEOUT_20M	0x30
474 #define MLX_DCDB_TIMEOUT_24H	0x40
475 #define MLX_DCDB_NO_AUTO_SENSE	(1<<6)
476 #define MLX_DCDB_DISCONNECT	(1<<7)
477     u_int16_t	dcdb_datasize;
478     u_int32_t	dcdb_physaddr;
479     u_int8_t	dcdb_cdb_length:4;
480     u_int8_t	dcdb_datasize_high:4;
481     u_int8_t	dcdb_sense_length;
482     u_int8_t	dcdb_cdb[12];
483     u_int8_t	dcdb_sense[64];
484     u_int8_t	dcdb_status;
485     u_int8_t	res1;
486 } __packed;
487 
488 struct mlx_bbtable_entry
489 {
490     u_int32_t	bbt_block_number;
491     u_int8_t	bbt_extent;
492     u_int8_t	res1;
493     u_int8_t	bbt_entry_type;
494     u_int8_t	bbt_system_drive:5;
495     u_int8_t	res2:3;
496 } __packed;
497 
498 #ifdef _KERNEL
499 /*
500  * Inlines to build various command structures
501  */
502 static __inline void
503 mlx_make_type1(struct mlx_command *mc,
504 	       u_int8_t code,
505 	       u_int16_t f1,
506 	       u_int32_t f2,
507 	       u_int8_t f3,
508 	       u_int32_t f4,
509 	       u_int8_t f5)
510 {
511     mc->mc_mailbox[0x0] = code;
512     mc->mc_mailbox[0x2] = f1 & 0xff;
513     mc->mc_mailbox[0x3] = (((f2 >> 24) & 0x3) << 6) | ((f1 >> 8) & 0x3f);
514     mc->mc_mailbox[0x4] = f2 & 0xff;
515     mc->mc_mailbox[0x5] = (f2 >> 8) & 0xff;
516     mc->mc_mailbox[0x6] = (f2 >> 16) & 0xff;
517     mc->mc_mailbox[0x7] = f3;
518     mc->mc_mailbox[0x8] = f4 & 0xff;
519     mc->mc_mailbox[0x9] = (f4 >> 8) & 0xff;
520     mc->mc_mailbox[0xa] = (f4 >> 16) & 0xff;
521     mc->mc_mailbox[0xb] = (f4 >> 24) & 0xff;
522     mc->mc_mailbox[0xc] = f5;
523 }
524 
525 static __inline void
526 mlx_make_type2(struct mlx_command *mc,
527 	       u_int8_t code,
528 	       u_int8_t f1,
529 	       u_int8_t f2,
530 	       u_int8_t f3,
531 	       u_int8_t f4,
532 	       u_int8_t f5,
533 	       u_int8_t f6,
534 	       u_int32_t f7,
535 	       u_int8_t f8)
536 {
537     mc->mc_mailbox[0x0] = code;
538     mc->mc_mailbox[0x2] = f1;
539     mc->mc_mailbox[0x3] = f2;
540     mc->mc_mailbox[0x4] = f3;
541     mc->mc_mailbox[0x5] = f4;
542     mc->mc_mailbox[0x6] = f5;
543     mc->mc_mailbox[0x7] = f6;
544     mc->mc_mailbox[0x8] = f7 & 0xff;
545     mc->mc_mailbox[0x9] = (f7 >> 8) & 0xff;
546     mc->mc_mailbox[0xa] = (f7 >> 16) & 0xff;
547     mc->mc_mailbox[0xb] = (f7 >> 24) & 0xff;
548     mc->mc_mailbox[0xc] = f8;
549 }
550 
551 static __inline void
552 mlx_make_type3(struct mlx_command *mc,
553 	       u_int8_t code,
554 	       u_int8_t f1,
555 	       u_int8_t f2,
556 	       u_int16_t f3,
557 	       u_int8_t f4,
558 	       u_int8_t f5,
559 	       u_int32_t f6,
560 	       u_int8_t f7)
561 {
562     mc->mc_mailbox[0x0] = code;
563     mc->mc_mailbox[0x2] = f1;
564     mc->mc_mailbox[0x3] = f2;
565     mc->mc_mailbox[0x4] = f3 & 0xff;
566     mc->mc_mailbox[0x5] = (f3 >> 8) & 0xff;
567     mc->mc_mailbox[0x6] = f4;
568     mc->mc_mailbox[0x7] = f5;
569     mc->mc_mailbox[0x8] = f6 & 0xff;
570     mc->mc_mailbox[0x9] = (f6 >> 8) & 0xff;
571     mc->mc_mailbox[0xa] = (f6 >> 16) & 0xff;
572     mc->mc_mailbox[0xb] = (f6 >> 24) & 0xff;
573     mc->mc_mailbox[0xc] = f7;
574 }
575 
576 static __inline void
577 mlx_make_type4(struct mlx_command *mc,
578 	       u_int8_t code,
579 	       u_int16_t f1,
580 	       u_int32_t f2,
581 	       u_int32_t f3,
582 	       u_int8_t f4)
583 {
584     mc->mc_mailbox[0x0] = code;
585     mc->mc_mailbox[0x2] = f1 & 0xff;
586     mc->mc_mailbox[0x3] = (f1 >> 8) & 0xff;
587     mc->mc_mailbox[0x4] = f2 & 0xff;
588     mc->mc_mailbox[0x5] = (f2 >> 8) & 0xff;
589     mc->mc_mailbox[0x6] = (f2 >> 16) & 0xff;
590     mc->mc_mailbox[0x7] = (f2 >> 24) & 0xff;
591     mc->mc_mailbox[0x8] = f3 & 0xff;
592     mc->mc_mailbox[0x9] = (f3 >> 8) & 0xff;
593     mc->mc_mailbox[0xa] = (f3 >> 16) & 0xff;
594     mc->mc_mailbox[0xb] = (f3 >> 24) & 0xff;
595     mc->mc_mailbox[0xc] = f4;
596 }
597 
598 static __inline void
599 mlx_make_type5(struct mlx_command *mc,
600 	       u_int8_t code,
601 	       u_int8_t f1,
602 	       u_int8_t f2,
603 	       u_int32_t f3,
604 	       u_int32_t f4,
605 	       u_int8_t f5)
606 {
607     mc->mc_mailbox[0x0] = code;
608     mc->mc_mailbox[0x2] = f1;
609     mc->mc_mailbox[0x3] = f2;
610     mc->mc_mailbox[0x4] = f3 & 0xff;
611     mc->mc_mailbox[0x5] = (f3 >> 8) & 0xff;
612     mc->mc_mailbox[0x6] = (f3 >> 16) & 0xff;
613     mc->mc_mailbox[0x7] = (f3 >> 24) & 0xff;
614     mc->mc_mailbox[0x8] = f4 & 0xff;
615     mc->mc_mailbox[0x9] = (f4 >> 8) & 0xff;
616     mc->mc_mailbox[0xa] = (f4 >> 16) & 0xff;
617     mc->mc_mailbox[0xb] = (f4 >> 24) & 0xff;
618     mc->mc_mailbox[0xc] = f5;
619 }
620 
621 #endif /* _KERNEL */
622