bhareg.h revision 1.11 1 /* $NetBSD: bhareg.h,v 1.11 1998/02/06 23:06:46 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 /*
41 * Copyright (c) 1994, 1996 Charles M. Hannum. All rights reserved.
42 *
43 * Redistribution and use in source and binary forms, with or without
44 * modification, are permitted provided that the following conditions
45 * are met:
46 * 1. Redistributions of source code must retain the above copyright
47 * notice, this list of conditions and the following disclaimer.
48 * 2. Redistributions in binary form must reproduce the above copyright
49 * notice, this list of conditions and the following disclaimer in the
50 * documentation and/or other materials provided with the distribution.
51 * 3. All advertising materials mentioning features or use of this software
52 * must display the following acknowledgement:
53 * This product includes software developed by Charles M. Hannum.
54 * 4. The name of the author may not be used to endorse or promote products
55 * derived from this software without specific prior written permission.
56 *
57 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
58 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
59 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
60 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
61 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
62 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
63 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
64 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
65 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
66 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
67 */
68
69 /*
70 * Originally written by Julian Elischer (julian (at) tfs.com)
71 * for TRW Financial Systems for use under the MACH(2.5) operating system.
72 *
73 * TRW Financial Systems, in accordance with their agreement with Carnegie
74 * Mellon University, makes this software available to CMU to distribute
75 * or use in any manner that they see fit as long as this message is kept with
76 * the software. For this reason TFS also grants any other persons or
77 * organisations permission to use or modify this software.
78 *
79 * TFS supplies this software to be publicly redistributed
80 * on the understanding that TFS is not responsible for the correct
81 * functioning of this software in any circumstances.
82 */
83
84 typedef u_int8_t physaddr[4];
85 typedef u_int8_t physlen[4];
86 #define ltophys _lto4l
87 #define phystol _4ltol
88
89 /*
90 * I/O port offsets
91 */
92 #define BHA_CTRL_PORT 0 /* control (wo) */
93 #define BHA_STAT_PORT 0 /* status (ro) */
94 #define BHA_CMD_PORT 1 /* command (wo) */
95 #define BHA_DATA_PORT 1 /* data (ro) */
96 #define BHA_INTR_PORT 2 /* interrupt status (ro) */
97 #define BHA_EXTGEOM_PORT 3 /* extended geometry (ro) */
98
99 /*
100 * BHA_CTRL bits
101 */
102 #define BHA_CTRL_HRST 0x80 /* Hardware reset */
103 #define BHA_CTRL_SRST 0x40 /* Software reset */
104 #define BHA_CTRL_IRST 0x20 /* Interrupt reset */
105 #define BHA_CTRL_SCRST 0x10 /* SCSI bus reset */
106
107 /*
108 * BHA_STAT bits
109 */
110 #define BHA_STAT_STST 0x80 /* Self test in Progress */
111 #define BHA_STAT_DIAGF 0x40 /* Diagnostic Failure */
112 #define BHA_STAT_INIT 0x20 /* Mbx Init required */
113 #define BHA_STAT_IDLE 0x10 /* Host Adapter Idle */
114 #define BHA_STAT_CDF 0x08 /* cmd/data out port full */
115 #define BHA_STAT_DF 0x04 /* Data in port full */
116 #define BHA_STAT_INVDCMD 0x01 /* Invalid command */
117
118 /*
119 * BHA_CMD opcodes
120 */
121 #define BHA_NOP 0x00 /* No operation */
122 #define BHA_MBX_INIT 0x01 /* Mbx initialization */
123 #define BHA_START_SCSI 0x02 /* start scsi command */
124 #define BHA_INQUIRE_REVISION 0x04 /* Adapter Inquiry */
125 #define BHA_MBO_INTR_EN 0x05 /* Enable MBO available interrupt */
126 #if 0
127 #define BHA_SEL_TIMEOUT_SET 0x06 /* set selection time-out */
128 #define BHA_BUS_ON_TIME_SET 0x07 /* set bus-on time */
129 #define BHA_BUS_OFF_TIME_SET 0x08 /* set bus-off time */
130 #define BHA_SPEED_SET 0x09 /* set transfer speed */
131 #endif
132 #define BHA_INQUIRE_DEVICES 0x0a /* return installed devices 0-7 */
133 #define BHA_INQUIRE_CONFIG 0x0b /* return configuration data */
134 #define BHA_TARGET_EN 0x0c /* enable target mode */
135 #define BHA_INQUIRE_SETUP 0x0d /* return setup data */
136 #define BHA_ECHO 0x1e /* Echo command data */
137 #define BHA_INQUIRE_DEVICES_2 0x23 /* return installed devices 8-15 */
138 #define BHA_MBX_INIT_EXTENDED 0x81 /* Mbx initialization */
139 #define BHA_INQUIRE_REVISION_3 0x84 /* Get 3rd firmware version byte */
140 #define BHA_INQUIRE_REVISION_4 0x85 /* Get 4th firmware version byte */
141 #define BHA_INQUIRE_MODEL 0x8b /* Get hardware ID and revision */
142 #define BHA_INQUIRE_PERIOD 0x8c /* Get synchronous period */
143 #define BHA_INQUIRE_EXTENDED 0x8d /* Adapter Setup Inquiry */
144 #define BHA_ROUND_ROBIN 0x8f /* Enable/Disable(default) round robin */
145 #define BHA_MODIFY_IOPORT 0x95 /* change or disable I/O port */
146
147
148 /*
149 * BHA_INTR bits
150 */
151 #define BHA_INTR_ANYINTR 0x80 /* Any interrupt */
152 #define BHA_INTR_SCRD 0x08 /* SCSI reset detected */
153 #define BHA_INTR_HACC 0x04 /* Command complete */
154 #define BHA_INTR_MBOA 0x02 /* MBX out empty */
155 #define BHA_INTR_MBIF 0x01 /* MBX in full */
156
157 struct bha_mbx_out {
158 physaddr ccb_addr;
159 u_char dummy[3];
160 u_char cmd;
161 };
162
163 struct bha_mbx_in {
164 physaddr ccb_addr;
165 u_char dummy[3];
166 u_char stat;
167 };
168
169 /*
170 * mbo.cmd values
171 */
172 #define BHA_MBO_FREE 0x0 /* MBO entry is free */
173 #define BHA_MBO_START 0x1 /* MBO activate entry */
174 #define BHA_MBO_ABORT 0x2 /* MBO abort entry */
175
176 /*
177 * mbi.stat values
178 */
179 #define BHA_MBI_FREE 0x0 /* MBI entry is free */
180 #define BHA_MBI_OK 0x1 /* completed without error */
181 #define BHA_MBI_ABORT 0x2 /* aborted ccb */
182 #define BHA_MBI_UNKNOWN 0x3 /* Tried to abort invalid CCB */
183 #define BHA_MBI_ERROR 0x4 /* Completed with error */
184
185 #if defined(BIG_DMA)
186 WARNING...THIS WON'T WORK(won't fit on 1 page)
187 #if 0
188 #define BHA_NSEG 2048 /* Number of scatter gather segments - to much vm */
189 #endif
190 #define BHA_NSEG 128
191 #else
192 #define BHA_NSEG 33
193 #endif /* BIG_DMA */
194
195 struct bha_scat_gath {
196 physlen seg_len;
197 physaddr seg_addr;
198 };
199
200 struct bha_ccb {
201 u_char opcode;
202 u_char:3, data_in:1, data_out:1,:3;
203 u_char scsi_cmd_length;
204 u_char req_sense_length;
205 /*------------------------------------longword boundary */
206 physlen data_length;
207 /*------------------------------------longword boundary */
208 physaddr data_addr;
209 /*------------------------------------longword boundary */
210 u_char dummy1[2];
211 u_char host_stat;
212 u_char target_stat;
213 /*------------------------------------longword boundary */
214 u_char target;
215 u_char lun;
216 struct scsi_generic scsi_cmd;
217 u_char dummy2[1];
218 u_char link_id;
219 /*------------------------------------longword boundary */
220 physaddr link_addr;
221 /*------------------------------------longword boundary */
222 physaddr sense_ptr;
223 /*-----end of HW fields-----------------------longword boundary */
224 struct scsipi_sense_data scsi_sense;
225 /*------------------------------------longword boundary */
226 struct bha_scat_gath scat_gath[BHA_NSEG];
227 /*------------------------------------longword boundary */
228 TAILQ_ENTRY(bha_ccb) chain;
229 struct bha_ccb *nexthash;
230 u_long hashkey;
231 struct scsipi_xfer *xs; /* the scsipi_xfer for this cmd */
232 int flags;
233 #define CCB_ALLOC 0x01
234 #define CCB_ABORT 0x02
235 #ifdef BHADIAG
236 #define CCB_SENDING 0x04
237 #endif
238 int timeout;
239
240 /*
241 * This DMA map maps the buffer involved in the transfer.
242 * Its contents are loaded into "scat_gath" above.
243 */
244 bus_dmamap_t dmamap_xfer;
245 };
246
247 /*
248 * opcode fields
249 */
250 #define BHA_INITIATOR_CCB 0x00 /* SCSI Initiator CCB */
251 #define BHA_TARGET_CCB 0x01 /* SCSI Target CCB */
252 #define BHA_INIT_SCAT_GATH_CCB 0x02 /* SCSI Initiator with scattter gather */
253 #define BHA_RESET_CCB 0x81 /* SCSI Bus reset */
254
255 /*
256 * bha_ccb.host_stat values
257 */
258 #define BHA_OK 0x00 /* cmd ok */
259 #define BHA_LINK_OK 0x0a /* Link cmd ok */
260 #define BHA_LINK_IT 0x0b /* Link cmd ok + int */
261 #define BHA_SEL_TIMEOUT 0x11 /* Selection time out */
262 #define BHA_OVER_UNDER 0x12 /* Data over/under run */
263 #define BHA_BUS_FREE 0x13 /* Bus dropped at unexpected time */
264 #define BHA_INV_BUS 0x14 /* Invalid bus phase/sequence */
265 #define BHA_BAD_MBO 0x15 /* Incorrect MBO cmd */
266 #define BHA_BAD_CCB 0x16 /* Incorrect ccb opcode */
267 #define BHA_BAD_LINK 0x17 /* Not same values of LUN for links */
268 #define BHA_INV_TARGET 0x18 /* Invalid target direction */
269 #define BHA_CCB_DUP 0x19 /* Duplicate CCB received */
270 #define BHA_INV_CCB 0x1a /* Invalid CCB or segment list */
271
272 struct bha_extended_inquire {
273 struct {
274 u_char opcode;
275 u_char len;
276 } cmd;
277 struct {
278 u_char bus_type; /* Type of bus connected to */
279 #define BHA_BUS_TYPE_24BIT 'A' /* ISA bus */
280 #define BHA_BUS_TYPE_32BIT 'E' /* EISA/VLB/PCI bus */
281 #define BHA_BUS_TYPE_MCA 'M' /* MicroChannel bus */
282 u_char bios_address; /* Address of adapter BIOS */
283 u_short sg_limit;
284 u_char mbox_count;
285 u_char mbox_baseaddr[4]; /* packed/unaligned uint_32_t */
286 u_char intrflags;
287 #define BHA_INTR_LEVEL 0x40 /* bit 6: level-sensitive interrupt */
288 u_char firmware_level[3]; /* last 3 digits of firmware rev */
289 u_char scsi_flags; /* supported SCSI features */
290 #define BHA_SCSI_WIDE 0x01
291 #define BHA_SCSI_DIFFERENTIAL 0x02
292 #define BHA_SCSI_AUTOCONF 0x04
293 #define BHA_SCSI_ULTRA 0x08
294 #define BHA_SCSI_TERMINATION 0x10
295 } reply;
296 };
297
298 struct bha_config {
299 struct {
300 u_char opcode;
301 } cmd;
302 struct {
303 u_char chan;
304 u_char intr;
305 u_char scsi_dev:3;
306 u_char :5;
307 } reply;
308 };
309
310 struct bha_toggle {
311 struct {
312 u_char opcode;
313 u_char enable;
314 } cmd;
315 };
316
317 struct bha_mailbox {
318 struct {
319 u_char opcode;
320 u_char nmbx;
321 physaddr addr;
322 } cmd;
323 };
324
325 struct bha_model {
326 struct {
327 u_char opcode;
328 u_char len;
329 } cmd;
330 struct {
331 u_char id[4]; /* i.e bt742a -> '7','4','2','A' */
332 u_char version[2]; /* i.e Board Revision 'H' -> 'H', 0x00 */
333 } reply;
334 };
335
336 struct bha_revision {
337 struct {
338 u_char opcode;
339 } cmd;
340 struct {
341 u_char board_type;
342 u_char custom_feature;
343 char firm_revision;
344 u_char firm_version;
345 } reply;
346 };
347
348 struct bha_digit {
349 struct {
350 u_char opcode;
351 } cmd;
352 struct {
353 u_char digit;
354 } reply;
355 };
356
357 struct bha_devices {
358 struct {
359 u_char opcode;
360 } cmd;
361 struct {
362 u_char lun_map[8];
363 } reply;
364 };
365
366 struct bha_sync {
367 u_char offset:4;
368 u_char period:3;
369 u_char valid:1;
370 };
371
372 struct bha_setup_reply {
373 u_char sync_neg:1;
374 u_char parity:1;
375 u_char :6;
376 u_char speed;
377 u_char bus_on;
378 u_char bus_off;
379 u_char num_mbx;
380 u_char mbx[3]; /*XXX */
381 /* doesn't make sense with 32bit addresses */
382 struct bha_sync sync[8];
383 u_char disc_sts;
384 };
385
386 /* additional reply data supplied by wide controlers */
387 struct bus_setup_reply_wide {
388 u_char pad[5]; /* ??? */
389 struct bha_sync sync[8];
390 u_char disc_sts;
391 };
392
393 struct bha_setup {
394 struct {
395 u_char opcode;
396 u_char len;
397 } cmd;
398 struct bha_setup_reply reply;
399 struct bus_setup_reply_wide reply_w; /* for wide controllers */
400 };
401
402 struct bha_period_reply {
403 u_char period[8];
404 };
405
406 struct bha_period {
407 struct {
408 u_char opcode;
409 u_char len;
410 } cmd;
411 struct bha_period_reply reply;
412 struct bha_period_reply reply_w; /* for wide controllers */
413 };
414
415 struct bha_isadisable {
416 struct {
417 u_char opcode;
418 u_char modifier;
419 } cmd;
420 };
421
422 /*
423 * bha_isadisable.modifier parameters
424 */
425 #define BHA_IOMODIFY_330 0x00
426 #define BHA_IOMODIFY_334 0x01
427 #define BHA_IOMODIFY_DISABLE1 0x06
428 #define BHA_IOMODIFY_DISABLE2 0x07
429
430 #define INT9 0x01
431 #define INT10 0x02
432 #define INT11 0x04
433 #define INT12 0x08
434 #define INT14 0x20
435 #define INT15 0x40
436
437 #define EISADMA 0x00
438 #define CHAN0 0x01
439 #define CHAN5 0x20
440 #define CHAN6 0x40
441 #define CHAN7 0x80
442