]> CyberLeo.Net >> Repos - FreeBSD/FreeBSD.git/blob - sys/dev/amr/amrreg.h
Move SYSCTL_ADD_PROC() to unlocked context in if_ure to avoid lock order reversal.
[FreeBSD/FreeBSD.git] / sys / dev / amr / amrreg.h
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD AND BSD-3-Clause
3  *
4  * Copyright (c) 1999,2000 Michael Smith
5  * Copyright (c) 2000 BSDi
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * Copyright (c) 2002 Eric Moore
30  * Copyright (c) 2002 LSI Logic Corporation
31  * All rights reserved.
32  *
33  * Redistribution and use in source and binary forms, with or without
34  * modification, are permitted provided that the following conditions
35  * are met:
36  * 1. Redistributions of source code must retain the above copyright
37  *    notice, this list of conditions and the following disclaimer.
38  * 2. Redistributions in binary form must reproduce the above copyright
39  *    notice, this list of conditions and the following disclaimer in the
40  *    documentation and/or other materials provided with the distribution.
41  * 3. The party using or redistributing the source code and binary forms
42  *    agrees to the disclaimer below and the terms and conditions set forth
43  *    herein.
44  *
45  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
46  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
47  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
48  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
49  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
50  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
51  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
52  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
53  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
54  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
55  * SUCH DAMAGE.
56  *
57  *
58  *      $FreeBSD$
59  */
60
61 /********************************************************************************
62  ********************************************************************************
63                                                                 Driver parameters
64  ********************************************************************************
65  ********************************************************************************/
66
67 /*
68  * We could actually use all 17 segments, but using only 16 means that
69  * each scatter/gather map is 128 bytes in size, and thus we don't have to worry about
70  * maps crossing page boundaries.
71  *
72  * The AMI documentation says that the limit is 26.  Unfortunately, there's no way to
73  * cleanly fit more than 16 entries in without a page boundary.  But is this a concern,
74  * since we allocate the s/g maps contiguously anyway?
75  */
76 /*
77  * emoore - Oct 21, 2002
78  * firmware doesn't have sglist boundary restrictions.
79  * The sgelem can be set to 26
80  */
81 #define AMR_NSEG                26
82
83 #define AMR_MAXCMD              255             /* ident = 0 not allowed */
84 #define AMR_LIMITCMD            120             /* maximum count of outstanding commands */
85 #define AMR_MAXLD               40
86
87 #define AMR_MAX_CHANNELS        8
88 #define AMR_MAX_TARGETS         15
89 #define AMR_MAX_LUNS            7
90 #define AMR_MAX_SCSI_CMDS       (15 * AMR_MAX_CHANNELS) /* one for every target? */
91
92 #define AMR_MAX_CDB_LEN         0x0a
93 #define AMR_MAX_EXTCDB_LEN      0x10
94 #define AMR_MAX_REQ_SENSE_LEN   0x20
95
96 #define AMR_BLKSIZE             512             /* constant for all controllers */
97
98 /*
99  * Perform at-startup board initialisation.
100  * At this point in time, this code doesn't work correctly, so leave it disabled.
101  */
102 /*#define AMR_BOARD_INIT*/
103
104 /********************************************************************************
105  ********************************************************************************
106                                                           Interface Magic Numbers
107  ********************************************************************************
108  ********************************************************************************/
109
110 /*
111  * Mailbox commands
112  */
113 #define AMR_CMD_LREAD           0x01
114 #define AMR_CMD_LWRITE          0x02
115 #define AMR_CMD_PASS            0x03
116 #define AMR_CMD_EXT_ENQUIRY     0x04
117 #define AMR_CMD_ENQUIRY         0x05
118 #define AMR_CMD_FLUSH           0x0a
119 #define AMR_CMD_EXT_ENQUIRY2    0x0c
120 #define AMR_CONFIG_PRODINFO     0x0e
121 #define AMR_CMD_GET_MACHINEID   0x36
122 #define AMR_CMD_GET_INITIATOR   0x7d    /* returns one byte */
123 #define AMR_CMD_CONFIG          0xa1
124 #define AMR_CMD_LREAD64         0xa7
125 #define AMR_CMD_LWRITE64        0xa8
126 #define AMR_CMD_PASS_64         0xc3
127 #define AMR_CMD_EXTPASS         0xe3
128
129 #define AMR_CONFIG_READ_NVRAM_CONFIG    0x04
130 #define AMR_CONFIG_WRITE_NVRAM_CONFIG   0x0d
131 #define AMR_CONFIG_PRODUCT_INFO         0x0e
132 #define AMR_CONFIG_ENQ3                 0x0f
133 #define AMR_CONFIG_ENQ3_SOLICITED_NOTIFY        0x01
134 #define AMR_CONFIG_ENQ3_SOLICITED_FULL          0x02
135 #define AMR_CONFIG_ENQ3_UNSOLICITED             0x03
136
137 /*
138  * Command for random deletion of logical drives
139  */
140 #define FC_DEL_LOGDRV           0xA4
141 #define OP_SUP_DEL_LOGDRV       0x2A
142 #define OP_GET_LDID_MAP         0x18
143 #define OP_DEL_LOGDRV           0x1C
144
145 /*
146  * Command for random deletion of logical drives
147  */
148 #define FC_DEL_LOGDRV           0xA4
149 #define OP_SUP_DEL_LOGDRV       0x2A
150 #define OP_GET_LDID_MAP         0x18
151 #define OP_DEL_LOGDRV           0x1C
152
153 /*
154  * Command results
155  */
156 #define AMR_STATUS_SUCCESS      0x00
157 #define AMR_STATUS_ABORTED      0x02
158 #define AMR_STATUS_FAILED       0x80
159
160 /*
161  * Physical/logical drive states
162  */
163 #define AMR_DRV_CURSTATE(x)     ((x) & 0x0f)
164 #define AMR_DRV_PREVSTATE(x)    (((x) >> 4) & 0x0f)
165 #define AMR_DRV_OFFLINE         0x00
166 #define AMR_DRV_DEGRADED        0x01
167 #define AMR_DRV_OPTIMAL         0x02
168 #define AMR_DRV_ONLINE          0x03
169 #define AMR_DRV_FAILED          0x04
170 #define AMR_DRV_REBUILD         0x05
171 #define AMR_DRV_HOTSPARE        0x06
172
173 /*
174  * Logical drive properties
175  */
176 #define AMR_DRV_RAID_MASK       0x0f    /* RAID level 0, 1, 3, 5, etc. */
177 #define AMR_DRV_WRITEBACK       0x10    /* write-back enabled */
178 #define AMR_DRV_READHEAD        0x20    /* readhead policy enabled */
179 #define AMR_DRV_ADAPTIVE        0x40    /* adaptive I/O policy enabled */
180
181 /*
182  * Battery status
183  */
184 #define AMR_BATT_MODULE_MISSING         0x01
185 #define AMR_BATT_LOW_VOLTAGE            0x02
186 #define AMR_BATT_TEMP_HIGH              0x04
187 #define AMR_BATT_PACK_MISSING           0x08
188 #define AMR_BATT_CHARGE_MASK            0x30
189 #define AMR_BATT_CHARGE_DONE            0x00
190 #define AMR_BATT_CHARGE_INPROG          0x10
191 #define AMR_BATT_CHARGE_FAIL            0x20
192 #define AMR_BATT_CYCLES_EXCEEDED        0x40
193
194 /********************************************************************************
195  ********************************************************************************
196                                                            8LD Firmware Interface
197  ********************************************************************************
198  ********************************************************************************/
199
200 /*
201  * Array constraints
202  */
203 #define AMR_8LD_MAXDRIVES       8
204 #define AMR_8LD_MAXCHAN         5
205 #define AMR_8LD_MAXTARG         15
206 #define AMR_8LD_MAXPHYSDRIVES   (AMR_8LD_MAXCHAN * AMR_8LD_MAXTARG)
207
208 /*
209  * Adapter Info structure
210  */
211 struct amr_adapter_info
212 {
213     u_int8_t    aa_maxio;
214     u_int8_t    aa_rebuild_rate;
215     u_int8_t    aa_maxtargchan;
216     u_int8_t    aa_channels;
217     u_int8_t    aa_firmware[4];
218     u_int16_t   aa_flashage;
219     u_int8_t    aa_chipsetvalue;
220     u_int8_t    aa_memorysize;
221     u_int8_t    aa_cacheflush;
222     u_int8_t    aa_bios[4];
223     u_int8_t    aa_boardtype;
224     u_int8_t    aa_scsisensealert;
225     u_int8_t    aa_writeconfigcount;
226     u_int8_t    aa_driveinsertioncount;
227     u_int8_t    aa_inserteddrive;
228     u_int8_t    aa_batterystatus;
229     u_int8_t    res1;
230 } __packed;
231
232 /*
233  * Logical Drive info structure
234  */
235 struct amr_logdrive_info
236 {
237     u_int8_t    al_numdrives;
238     u_int8_t    res1[3];
239     u_int32_t   al_size[AMR_8LD_MAXDRIVES];
240     u_int8_t    al_properties[AMR_8LD_MAXDRIVES];
241     u_int8_t    al_state[AMR_8LD_MAXDRIVES];
242 } __packed;
243
244 /*
245  * Physical Drive info structure
246  */
247 struct amr_physdrive_info
248 {
249     u_int8_t    ap_state[AMR_8LD_MAXPHYSDRIVES];        /* low nibble current state, high nibble previous state */
250     u_int8_t    ap_predictivefailure;
251 } __packed;
252
253 /*
254  * Enquiry response structure for AMR_CMD_ENQUIRY, AMR_CMD_EXT_ENQUIRY and
255  * AMR_CMD_EXT_ENQUIRY2.
256  *                                                              ENQUIRY EXT_ENQUIRY EXT_ENQUIRY2 
257  */
258 struct amr_enquiry
259 {
260     struct amr_adapter_info     ae_adapter;                     /* X      X             X */
261     struct amr_logdrive_info    ae_ldrv;                        /* X      X             X */
262     struct amr_physdrive_info   ae_pdrv;                        /* X      X             X */
263     u_int8_t                    ae_formatting[AMR_8LD_MAXDRIVES];/*       X             X */
264     u_int8_t                    res1[AMR_8LD_MAXDRIVES];        /*        X             X */
265     u_int32_t                   ae_extlen;                      /*                      X */
266     u_int16_t                   ae_subsystem;                   /*                      X */
267     u_int16_t                   ae_subvendor;                   /*                      X */
268     u_int32_t                   ae_signature;                   /*                      X */
269 #define AMR_SIG_431     0xfffe0001
270 #define AMR_SIG_438     0xfffd0002
271 #define AMR_SIG_762     0xfffc0003
272 #define AMR_SIG_T5      0xfffb0004
273 #define AMR_SIG_466     0xfffa0005
274 #define AMR_SIG_467     0xfff90006
275 #define AMR_SIG_T7      0xfff80007
276 #define AMR_SIG_490     0xfff70008
277     u_int8_t                    res2[844];                      /*                      X */
278 } __packed;
279
280 /********************************************************************************
281  ********************************************************************************
282                                                           40LD Firmware Interface
283  ********************************************************************************
284  ********************************************************************************/
285
286 /*
287  * Array constraints
288  */
289 #define AMR_40LD_MAXDRIVES      40
290 #define AMR_40LD_MAXCHAN        16
291 #define AMR_40LD_MAXTARG        16
292 #define AMR_40LD_MAXPHYSDRIVES  256
293
294 /*
295  * Product Info structure
296  */
297 struct amr_prodinfo
298 {
299     u_int32_t   ap_size;                /* current size in bytes (not including resvd) */
300     u_int32_t   ap_configsig;           /* default is 0x00282008, indicating 0x28 maximum
301                                          * logical drives, 0x20 maximum stripes and 0x08
302                                          * maximum spans */
303     u_int8_t    ap_firmware[16];        /* printable identifiers */
304     u_int8_t    ap_bios[16];
305     u_int8_t    ap_product[80];
306     u_int8_t    ap_maxio;               /* maximum number of concurrent commands supported */
307     u_int8_t    ap_nschan;              /* number of SCSI channels present */
308     u_int8_t    ap_fcloops;             /* number of fibre loops present */
309     u_int8_t    ap_memtype;             /* memory type */
310     u_int32_t   ap_signature;
311     u_int16_t   ap_memsize;             /* onboard memory in MB */
312     u_int16_t   ap_subsystem;           /* subsystem identifier */
313     u_int16_t   ap_subvendor;           /* subsystem vendor ID */
314     u_int8_t    ap_numnotifyctr;        /* number of notify counters */
315 } __packed;
316
317 /*
318  * Notify structure
319  */
320 struct amr_notify
321 {
322     u_int32_t   an_globalcounter;       /* change counter */
323
324     u_int8_t    an_paramcounter;        /* parameter change counter */
325     u_int8_t    an_paramid;
326 #define AMR_PARAM_REBUILD_RATE          0x01    /* value = new rebuild rate */
327 #define AMR_PARAM_FLUSH_INTERVAL        0x02    /* value = new flush interval */
328 #define AMR_PARAM_SENSE_ALERT           0x03    /* value = last physical drive with check condition set */
329 #define AMR_PARAM_DRIVE_INSERTED        0x04    /* value = last physical drive inserted */
330 #define AMR_PARAM_BATTERY_STATUS        0x05    /* value = battery status */
331     u_int16_t   an_paramval;
332
333     u_int8_t    an_writeconfigcounter;  /* write config occurred */
334     u_int8_t    res1[3];
335
336     u_int8_t    an_ldrvopcounter;       /* logical drive operation started/completed */
337     u_int8_t    an_ldrvopid;
338     u_int8_t    an_ldrvopcmd;
339 #define AMR_LDRVOP_CHECK        0x01
340 #define AMR_LDRVOP_INIT         0x02
341 #define AMR_LDRVOP_REBUILD      0x03
342     u_int8_t    an_ldrvopstatus;
343 #define AMR_LDRVOP_SUCCESS      0x00
344 #define AMR_LDRVOP_FAILED       0x01
345 #define AMR_LDRVOP_ABORTED      0x02
346 #define AMR_LDRVOP_CORRECTED    0x03
347 #define AMR_LDRVOP_STARTED      0x04
348
349     u_int8_t    an_ldrvstatecounter;    /* logical drive state change occurred */
350     u_int8_t    an_ldrvstateid;
351     u_int8_t    an_ldrvstatenew;
352     u_int8_t    an_ldrvstateold;
353
354     u_int8_t    an_pdrvstatecounter;    /* physical drive state change occurred */
355     u_int8_t    an_pdrvstateid;
356     u_int8_t    an_pdrvstatenew;
357     u_int8_t    an_pdrvstateold;
358
359     u_int8_t    an_pdrvfmtcounter;
360     u_int8_t    an_pdrvfmtid;
361     u_int8_t    an_pdrvfmtval;
362 #define AMR_FORMAT_START        0x01
363 #define AMR_FORMAT_COMPLETE     0x02
364     u_int8_t    res2;
365
366     u_int8_t    an_targxfercounter;     /* scsi xfer rate change */
367     u_int8_t    an_targxferid;
368     u_int8_t    an_targxferval;
369     u_int8_t    res3;
370
371     u_int8_t    an_fcloopidcounter;     /* FC/AL loop ID changed */
372     u_int8_t    an_fcloopidpdrvid;
373     u_int8_t    an_fcloopid0;
374     u_int8_t    an_fcloopid1;
375
376     u_int8_t    an_fcloopstatecounter;  /* FC/AL loop status changed */
377     u_int8_t    an_fcloopstate0;
378     u_int8_t    an_fcloopstate1;
379     u_int8_t    res4;
380 } __packed;
381
382 /*
383  * Enquiry3 structure
384  */
385 struct amr_enquiry3
386 {
387     u_int32_t   ae_datasize;            /* valid data size in this structure */
388     union {                             /* event notify structure */
389         struct amr_notify       n;
390         u_int8_t                pad[0x80];
391     }           ae_notify;
392     u_int8_t    ae_rebuildrate;         /* current rebuild rate in % */
393     u_int8_t    ae_cacheflush;          /* flush interval in seconds */
394     u_int8_t    ae_sensealert;
395     u_int8_t    ae_driveinsertcount;    /* count of inserted drives */
396     u_int8_t    ae_batterystatus;
397     u_int8_t    ae_numldrives;
398     u_int8_t    ae_reconstate[AMR_40LD_MAXDRIVES / 8];  /* reconstruction state */
399     u_int16_t   ae_opstatus[AMR_40LD_MAXDRIVES / 8];    /* operation status per drive */
400     u_int32_t   ae_drivesize[AMR_40LD_MAXDRIVES];       /* logical drive size */
401     u_int8_t    ae_driveprop[AMR_40LD_MAXDRIVES];       /* logical drive properties */
402     u_int8_t    ae_drivestate[AMR_40LD_MAXDRIVES];      /* logical drive state */
403     u_int8_t    ae_pdrivestate[AMR_40LD_MAXPHYSDRIVES]; /* physical drive state */
404     u_int16_t   ae_pdriveformat[AMR_40LD_MAXPHYSDRIVES / 16];
405     u_int8_t    ae_targxfer[80];                        /* physical drive transfer rates */
406
407     u_int8_t    res1[263];              /* pad to 1024 bytes */
408 } __packed;
409
410 /********************************************************************************
411  ********************************************************************************
412                                                    Mailbox and Command Structures
413  ********************************************************************************
414  ********************************************************************************/
415
416 #define AMR_MBOX_CMDSIZE        0x10    /* portion worth copying for controller */
417
418 struct amr_mailbox
419 {
420     u_int8_t    mb_command;
421     u_int8_t    mb_ident;
422     u_int16_t   mb_blkcount;            /* u_int8_t opcode */
423                                         /* u_int8_t subopcode */
424     u_int32_t   mb_lba;
425     u_int32_t   mb_physaddr;
426     u_int8_t    mb_drive;
427     u_int8_t    mb_nsgelem;             /* u_int8_t rserv[0] */
428     u_int8_t    res1;                   /* u_int8_t rserv[1] */
429     u_int8_t    mb_busy;                /* u_int8_t rserv[2] */
430     u_int8_t    mb_nstatus;
431     u_int8_t    mb_status;
432     u_int8_t    mb_completed[46];
433     u_int8_t    mb_poll;
434     u_int8_t    mb_ack;
435     u_int8_t    res2[16];
436 } __packed;
437
438 struct amr_mailbox64
439 {
440     u_int8_t    pad[8];         /* Needed for alignment */
441     u_int32_t   sg64_lo;        /* S/G pointer for 64-bit commands */
442     u_int32_t   sg64_hi;        /* S/G pointer for 64-bit commands */
443     struct amr_mailbox  mb;
444 } __packed;
445
446 struct amr_mailbox_ioctl
447 {
448     u_int8_t    mb_command;
449     u_int8_t    mb_ident;
450     u_int8_t    mb_channel;
451     u_int8_t    mb_param;
452     u_int8_t    mb_pad[4];
453     u_int32_t   mb_physaddr;
454     u_int8_t    mb_drive;
455     u_int8_t    mb_nsgelem;
456     u_int8_t    res1;
457     u_int8_t    mb_busy;
458     u_int8_t    mb_nstatus;
459     u_int8_t    mb_completed[46];
460     u_int8_t    mb_poll;
461     u_int8_t    mb_ack;
462     u_int8_t    res4[16];
463 } __packed;
464
465 struct amr_sgentry
466 {
467     u_int32_t   sg_addr;
468     u_int32_t   sg_count;
469 } __packed;
470
471 struct amr_sg64entry
472 {
473     u_int64_t   sg_addr;
474     u_int32_t   sg_count;
475 } __packed;
476
477 struct amr_passthrough
478 {
479     u_int8_t    ap_timeout:3;
480     u_int8_t    ap_ars:1;
481     u_int8_t    ap_dummy:3;
482     u_int8_t    ap_islogical:1;
483     u_int8_t    ap_logical_drive_no;
484     u_int8_t    ap_channel;
485     u_int8_t    ap_scsi_id;
486     u_int8_t    ap_queue_tag;
487     u_int8_t    ap_queue_action;
488     u_int8_t    ap_cdb[AMR_MAX_CDB_LEN];
489     u_int8_t    ap_cdb_length;
490     u_int8_t    ap_request_sense_length;
491     u_int8_t    ap_request_sense_area[AMR_MAX_REQ_SENSE_LEN];
492     u_int8_t    ap_no_sg_elements;
493     u_int8_t    ap_scsi_status;
494     u_int32_t   ap_data_transfer_address;
495     u_int32_t   ap_data_transfer_length;
496 } __packed;
497
498 struct amr_ext_passthrough
499 {
500     u_int8_t    ap_timeout:3;
501     u_int8_t    ap_ars:1;
502     u_int8_t    ap_rsvd1:1;
503     u_int8_t    ap_cd_rom:1;
504     u_int8_t    ap_rsvd2:1;
505     u_int8_t    ap_islogical:1;
506     u_int8_t    ap_logical_drive_no;
507     u_int8_t    ap_channel;
508     u_int8_t    ap_scsi_id;
509     u_int8_t    ap_queue_tag;
510     u_int8_t    ap_queue_action;
511     u_int8_t    ap_cdb_length;
512     u_int8_t    ap_rsvd3;
513     u_int8_t    ap_cdb[AMR_MAX_EXTCDB_LEN];
514     u_int8_t    ap_no_sg_elements;
515     u_int8_t    ap_scsi_status;
516     u_int8_t    ap_request_sense_length;
517     u_int8_t    ap_request_sense_area[AMR_MAX_REQ_SENSE_LEN];
518     u_int8_t    ap_rsvd4;
519     u_int32_t   ap_data_transfer_address;
520     u_int32_t   ap_data_transfer_length;
521 } __packed;
522
523 struct amr_linux_ioctl {
524     u_int32_t   inlen;
525     u_int32_t   outlen;
526     union {
527         u_int8_t        fca[16];
528         struct {
529             u_int8_t    opcode;
530             u_int8_t    subopcode;
531             u_int16_t   adapno;
532             u_int32_t   buffer;
533             u_int8_t    pad[4];
534             u_int32_t   length;
535         } __packed fcs;
536     } __packed ui;
537     u_int8_t    mbox[18];
538     struct amr_passthrough      pthru;
539     u_int32_t   data;
540     u_int8_t    pad[4];
541 } __packed;
542
543 #ifdef _KERNEL
544 /********************************************************************************
545  ********************************************************************************
546                                                "Quartz" i960 PCI bridge interface
547  ********************************************************************************
548  ********************************************************************************/
549
550 #define AMR_CFG_SIG             0xa0            /* PCI config register for signature */
551 #define AMR_SIGNATURE_1         0xCCCC          /* i960 signature (older adapters) */
552 #define AMR_SIGNATURE_2         0x3344          /* i960 signature (newer adapters) */
553
554 /*
555  * Doorbell registers
556  */
557 #define AMR_QIDB                0x20
558 #define AMR_QODB                0x2c
559 #define AMR_QIDB_SUBMIT         0x00000001      /* mailbox ready for work */
560 #define AMR_QIDB_ACK            0x00000002      /* mailbox done */
561 #define AMR_QODB_READY          0x10001234      /* work ready to be processed */
562
563 /*
564  * Initialisation status
565  */
566 #define AMR_QINIT_SCAN          0x01    /* init scanning drives */
567 #define AMR_QINIT_SCANINIT      0x02    /* init scanning initialising */
568 #define AMR_QINIT_FIRMWARE      0x03    /* init firmware initing */
569 #define AMR_QINIT_INPROG        0xdc    /* init in progress */
570 #define AMR_QINIT_SPINUP        0x2c    /* init spinning drives */
571 #define AMR_QINIT_NOMEM         0xac    /* insufficient memory */
572 #define AMR_QINIT_CACHEFLUSH    0xbc    /* init flushing cache */
573 #define AMR_QINIT_DONE          0x9c    /* init successfully done */
574
575 /*
576  * I/O primitives
577  */
578 #define AMR_QPUT_IDB(sc, val)   bus_space_write_4(sc->amr_btag, sc->amr_bhandle, AMR_QIDB, val)
579 #define AMR_QGET_IDB(sc)        bus_space_read_4 (sc->amr_btag, sc->amr_bhandle, AMR_QIDB)
580 #define AMR_QPUT_ODB(sc, val)   bus_space_write_4(sc->amr_btag, sc->amr_bhandle, AMR_QODB, val)
581 #define AMR_QGET_ODB(sc)        bus_space_read_4 (sc->amr_btag, sc->amr_bhandle, AMR_QODB)
582
583 #ifdef AMR_BOARD_INIT
584 #define AMR_QRESET(sc)                                                                                  \
585         do {                                                                                            \
586             pci_write_config((sc)->amr_dev, 0x40, pci_read_config((sc)->amr_dev, 0x40, 1) | 0x20, 1);   \
587             pci_write_config((sc)->amr_dev, 0x64, 0x1122, 1);                                           \
588         } while (0)
589 #define AMR_QGET_INITSTATUS(sc) pci_read_config((sc)->amr_dev, 0x9c, 1)
590 #define AMR_QGET_INITCHAN(sc)   pci_read_config((sc)->amr_dev, 0x9f, 1)
591 #define AMR_QGET_INITTARG(sc)   pci_read_config((sc)->amr_dev, 0x9e, 1)
592 #endif
593
594 /********************************************************************************
595  ********************************************************************************
596                                        "Standard" old-style ASIC bridge interface
597  ********************************************************************************
598  ********************************************************************************/
599
600 /*
601  * I/O registers
602  */
603 #define AMR_SCMD                0x10    /* command/ack register (write) */
604 #define AMR_SMBOX_BUSY          0x10    /* mailbox status (read) */
605 #define AMR_STOGGLE             0x11    /* interrupt enable bit here */
606 #define AMR_SMBOX_0             0x14    /* mailbox physical address low byte */
607 #define AMR_SMBOX_1             0x15
608 #define AMR_SMBOX_2             0x16
609 #define AMR_SMBOX_3             0x17    /*                          high byte */
610 #define AMR_SMBOX_ENABLE        0x18    /* atomic mailbox address enable */
611 #define AMR_SINTR               0x1a    /* interrupt status */
612
613 /*
614  * I/O magic numbers
615  */
616 #define AMR_SCMD_POST           0x10    /* -> SCMD to initiate action on mailbox */
617 #define AMR_SCMD_ACKINTR        0x08    /* -> SCMD to ack mailbox retrieved */
618 #define AMR_STOGL_IENABLE       0xc0    /* in STOGGLE */
619 #define AMR_SINTR_VALID         0x40    /* in SINTR */
620 #define AMR_SMBOX_BUSYFLAG      0x10    /* in SMBOX_BUSY */
621 #define AMR_SMBOX_ADDR          0x00    /* -> SMBOX_ENABLE */
622
623 /*
624  * Initialisation status
625  */
626 #define AMR_SINIT_ABEND         0xee    /* init abnormal terminated */
627 #define AMR_SINIT_NOMEM         0xca    /* insufficient memory */
628 #define AMR_SINIT_CACHEFLUSH    0xbb    /* firmware flushing cache */
629 #define AMR_SINIT_INPROG        0x11    /* init in progress */
630 #define AMR_SINIT_SPINUP        0x22    /* firmware spinning drives */
631 #define AMR_SINIT_DONE          0x99    /* init successfully done */
632
633 /*
634  * I/O primitives
635  */
636 #define AMR_SPUT_ISTAT(sc, val) bus_space_write_1(sc->amr_btag, sc->amr_bhandle, AMR_SINTR, val)
637 #define AMR_SGET_ISTAT(sc)      bus_space_read_1 (sc->amr_btag, sc->amr_bhandle, AMR_SINTR)
638 #define AMR_SACK_INTERRUPT(sc)  bus_space_write_1(sc->amr_btag, sc->amr_bhandle, AMR_SCMD, AMR_SCMD_ACKINTR)
639 #define AMR_SPOST_COMMAND(sc)   bus_space_write_1(sc->amr_btag, sc->amr_bhandle, AMR_SCMD, AMR_SCMD_POST)
640 #define AMR_SGET_MBSTAT(sc)     bus_space_read_1 (sc->amr_btag, sc->amr_bhandle, AMR_SMBOX_BUSY)
641 #define AMR_SENABLE_INTR(sc)                                                                                    \
642         bus_space_write_1(sc->amr_btag, sc->amr_bhandle, AMR_STOGGLE,                                           \
643                           bus_space_read_1(sc->amr_btag, sc->amr_bhandle, AMR_STOGGLE) | AMR_STOGL_IENABLE)
644 #define AMR_SDISABLE_INTR(sc)                                                                                   \
645         bus_space_write_1(sc->amr_btag, sc->amr_bhandle, AMR_STOGGLE,                                           \
646                           bus_space_read_1(sc->amr_btag, sc->amr_bhandle, AMR_STOGGLE) & ~AMR_STOGL_IENABLE)
647 #define AMR_SBYTE_SET(sc, reg, val)     bus_space_write_1(sc->amr_btag, sc->amr_bhandle, reg, val)
648
649 #ifdef AMR_BOARD_INIT
650 #define AMR_SRESET(sc)          bus_space_write_1(sc->amr_btag, sc->amr_bhandle, 0, 0x80)
651 #define AMR_SGET_INITSTATUS(sc) bus_space_read_1 (sc->amr_btag, sc->amr_bhandle, AMR_SMBOX_ENABLE)
652 #define AMR_SGET_FAILDRIVE(sc)  bus_space_read_1 (sc->amr_btag, sc->amr_bhandle, AMR_SMBOX_ENABLE + 1)
653 #define AMR_SGET_INITCHAN(sc)   bus_space_read_1 (sc->amr_btag, sc->amr_bhandle, AMR_SMBOX_ENABLE + 2)
654 #define AMR_SGET_INITTARG(sc)   bus_space_read_1 (sc->amr_btag, sc->amr_bhandle, AMR_SMBOX_ENABLE + 3)
655 #endif
656
657 #endif /* _KERNEL */