xref: /freebsd/sys/dev/isp/ispmbox.h (revision 830940567b49bb0c08dfaed40418999e76616909)
1 /* $FreeBSD$ */
2 /*-
3  *  Copyright (c) 1997-2009 by Matthew Jacob
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  *
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 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 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  */
29 /*
30  * Mailbox and Queue Entry Definitions for for Qlogic ISP SCSI adapters.
31  */
32 #ifndef	_ISPMBOX_H
33 #define	_ISPMBOX_H
34 
35 /*
36  * Mailbox Command Opcodes
37  */
38 #define MBOX_NO_OP			0x0000
39 #define MBOX_LOAD_RAM			0x0001
40 #define MBOX_EXEC_FIRMWARE		0x0002
41 #define MBOX_DUMP_RAM			0x0003
42 #define MBOX_WRITE_RAM_WORD		0x0004
43 #define MBOX_READ_RAM_WORD		0x0005
44 #define MBOX_MAILBOX_REG_TEST		0x0006
45 #define MBOX_VERIFY_CHECKSUM		0x0007
46 #define MBOX_ABOUT_FIRMWARE		0x0008
47 #define	MBOX_LOAD_RISC_RAM_2100		0x0009
48 					/*   a */
49 #define	MBOX_LOAD_RISC_RAM		0x000b
50 					/*   c */
51 #define MBOX_WRITE_RAM_WORD_EXTENDED	0x000d
52 #define MBOX_CHECK_FIRMWARE		0x000e
53 #define	MBOX_READ_RAM_WORD_EXTENDED	0x000f
54 #define MBOX_INIT_REQ_QUEUE		0x0010
55 #define MBOX_INIT_RES_QUEUE		0x0011
56 #define MBOX_EXECUTE_IOCB		0x0012
57 #define MBOX_WAKE_UP			0x0013
58 #define MBOX_STOP_FIRMWARE		0x0014
59 #define MBOX_ABORT			0x0015
60 #define MBOX_ABORT_DEVICE		0x0016
61 #define MBOX_ABORT_TARGET		0x0017
62 #define MBOX_BUS_RESET			0x0018
63 #define MBOX_STOP_QUEUE			0x0019
64 #define MBOX_START_QUEUE		0x001a
65 #define MBOX_SINGLE_STEP_QUEUE		0x001b
66 #define MBOX_ABORT_QUEUE		0x001c
67 #define MBOX_GET_DEV_QUEUE_STATUS	0x001d
68 					/*  1e */
69 #define MBOX_GET_FIRMWARE_STATUS	0x001f
70 #define MBOX_GET_INIT_SCSI_ID		0x0020
71 #define MBOX_GET_SELECT_TIMEOUT		0x0021
72 #define MBOX_GET_RETRY_COUNT		0x0022
73 #define MBOX_GET_TAG_AGE_LIMIT		0x0023
74 #define MBOX_GET_CLOCK_RATE		0x0024
75 #define MBOX_GET_ACT_NEG_STATE		0x0025
76 #define MBOX_GET_ASYNC_DATA_SETUP_TIME	0x0026
77 #define MBOX_GET_SBUS_PARAMS		0x0027
78 #define		MBOX_GET_PCI_PARAMS	MBOX_GET_SBUS_PARAMS
79 #define MBOX_GET_TARGET_PARAMS		0x0028
80 #define MBOX_GET_DEV_QUEUE_PARAMS	0x0029
81 #define	MBOX_GET_RESET_DELAY_PARAMS	0x002a
82 					/*  2b */
83 					/*  2c */
84 					/*  2d */
85 					/*  2e */
86 					/*  2f */
87 #define MBOX_SET_INIT_SCSI_ID		0x0030
88 #define MBOX_SET_SELECT_TIMEOUT		0x0031
89 #define MBOX_SET_RETRY_COUNT		0x0032
90 #define MBOX_SET_TAG_AGE_LIMIT		0x0033
91 #define MBOX_SET_CLOCK_RATE		0x0034
92 #define MBOX_SET_ACT_NEG_STATE		0x0035
93 #define MBOX_SET_ASYNC_DATA_SETUP_TIME	0x0036
94 #define MBOX_SET_SBUS_CONTROL_PARAMS	0x0037
95 #define		MBOX_SET_PCI_PARAMETERS	0x0037
96 #define MBOX_SET_TARGET_PARAMS		0x0038
97 #define MBOX_SET_DEV_QUEUE_PARAMS	0x0039
98 #define	MBOX_SET_RESET_DELAY_PARAMS	0x003a
99 					/*  3b */
100 					/*  3c */
101 					/*  3d */
102 					/*  3e */
103 					/*  3f */
104 #define	MBOX_RETURN_BIOS_BLOCK_ADDR	0x0040
105 #define	MBOX_WRITE_FOUR_RAM_WORDS	0x0041
106 #define	MBOX_EXEC_BIOS_IOCB		0x0042
107 #define	MBOX_SET_FW_FEATURES		0x004a
108 #define	MBOX_GET_FW_FEATURES		0x004b
109 #define		FW_FEATURE_FAST_POST	0x1
110 #define		FW_FEATURE_LVD_NOTIFY	0x2
111 #define		FW_FEATURE_RIO_32BIT	0x4
112 #define		FW_FEATURE_RIO_16BIT	0x8
113 
114 #define	MBOX_INIT_REQ_QUEUE_A64		0x0052
115 #define	MBOX_INIT_RES_QUEUE_A64		0x0053
116 
117 #define	MBOX_ENABLE_TARGET_MODE		0x0055
118 #define		ENABLE_TARGET_FLAG	0x8000
119 #define		ENABLE_TQING_FLAG	0x0004
120 #define		ENABLE_MANDATORY_DISC	0x0002
121 #define	MBOX_GET_TARGET_STATUS		0x0056
122 
123 /* These are for the ISP2X00 FC cards */
124 #define	MBOX_GET_LOOP_ID		0x0020
125 /* for 24XX cards, outgoing mailbox 7 has these values for F or FL topologies */
126 #define		ISP24XX_INORDER		0x0100
127 #define		ISP24XX_NPIV_SAN	0x0400
128 #define		ISP24XX_VSAN_SAN	0x1000
129 #define		ISP24XX_FC_SP_SAN	0x2000
130 
131 #define	MBOX_GET_FIRMWARE_OPTIONS	0x0028
132 #define	MBOX_SET_FIRMWARE_OPTIONS	0x0038
133 #define	MBOX_GET_RESOURCE_COUNT		0x0042
134 #define	MBOX_REQUEST_OFFLINE_MODE	0x0043
135 #define	MBOX_ENHANCED_GET_PDB		0x0047
136 #define	MBOX_INIT_FIRMWARE_MULTI_ID	0x0048	/* 2400 only */
137 #define	MBOX_GET_VP_DATABASE		0x0049	/* 2400 only */
138 #define	MBOX_GET_VP_DATABASE_ENTRY	0x004a	/* 2400 only */
139 #define	MBOX_EXEC_COMMAND_IOCB_A64	0x0054
140 #define	MBOX_INIT_FIRMWARE		0x0060
141 #define	MBOX_GET_INIT_CONTROL_BLOCK	0x0061
142 #define	MBOX_INIT_LIP			0x0062
143 #define	MBOX_GET_FC_AL_POSITION_MAP	0x0063
144 #define	MBOX_GET_PORT_DB		0x0064
145 #define	MBOX_CLEAR_ACA			0x0065
146 #define	MBOX_TARGET_RESET		0x0066
147 #define	MBOX_CLEAR_TASK_SET		0x0067
148 #define	MBOX_ABORT_TASK_SET		0x0068
149 #define	MBOX_GET_FW_STATE		0x0069
150 #define	MBOX_GET_PORT_NAME		0x006A
151 #define	MBOX_GET_LINK_STATUS		0x006B
152 #define	MBOX_INIT_LIP_RESET		0x006C
153 #define	MBOX_SEND_SNS			0x006E
154 #define	MBOX_FABRIC_LOGIN		0x006F
155 #define	MBOX_SEND_CHANGE_REQUEST	0x0070
156 #define	MBOX_FABRIC_LOGOUT		0x0071
157 #define	MBOX_INIT_LIP_LOGIN		0x0072
158 #define	MBOX_LUN_RESET			0x007E
159 
160 #define	MBOX_DRIVER_HEARTBEAT		0x005B
161 #define	MBOX_FW_HEARTBEAT		0x005C
162 
163 #define	MBOX_GET_SET_DATA_RATE		0x005D	/* 24XX/23XX only */
164 #define		MBGSD_GET_RATE		0
165 #define		MBGSD_SET_RATE		1
166 #define		MBGSD_SET_RATE_NOW	2	/* 24XX only */
167 #define		MBGSD_ONEGB	0
168 #define		MBGSD_TWOGB	1
169 #define		MBGSD_AUTO	2
170 #define		MBGSD_FOURGB	3		/* 24XX only */
171 #define		MBGSD_EIGHTGB	4		/* 25XX only */
172 
173 
174 #define	ISP2100_SET_PCI_PARAM		0x00ff
175 
176 #define	MBOX_BUSY			0x04
177 
178 /*
179  * Mailbox Command Complete Status Codes
180  */
181 #define	MBOX_COMMAND_COMPLETE		0x4000
182 #define	MBOX_INVALID_COMMAND		0x4001
183 #define	MBOX_HOST_INTERFACE_ERROR	0x4002
184 #define	MBOX_TEST_FAILED		0x4003
185 #define	MBOX_COMMAND_ERROR		0x4005
186 #define	MBOX_COMMAND_PARAM_ERROR	0x4006
187 #define	MBOX_PORT_ID_USED		0x4007
188 #define	MBOX_LOOP_ID_USED		0x4008
189 #define	MBOX_ALL_IDS_USED		0x4009
190 #define	MBOX_NOT_LOGGED_IN		0x400A
191 /* pseudo mailbox completion codes */
192 #define	MBOX_REGS_BUSY			0x6000	/* registers in use */
193 #define	MBOX_TIMEOUT			0x6001	/* command timed out */
194 
195 #define	MBLOGALL			0x000f
196 #define	MBLOGNONE			0x0000
197 #define	MBLOGMASK(x)			((x) & 0xf)
198 
199 /*
200  * Asynchronous event status codes
201  */
202 #define	ASYNC_BUS_RESET			0x8001
203 #define	ASYNC_SYSTEM_ERROR		0x8002
204 #define	ASYNC_RQS_XFER_ERR		0x8003
205 #define	ASYNC_RSP_XFER_ERR		0x8004
206 #define	ASYNC_QWAKEUP			0x8005
207 #define	ASYNC_TIMEOUT_RESET		0x8006
208 #define	ASYNC_DEVICE_RESET		0x8007
209 #define	ASYNC_EXTMSG_UNDERRUN		0x800A
210 #define	ASYNC_SCAM_INT			0x800B
211 #define	ASYNC_HUNG_SCSI			0x800C
212 #define	ASYNC_KILLED_BUS		0x800D
213 #define	ASYNC_BUS_TRANSIT		0x800E	/* LVD -> HVD, eg. */
214 #define	ASYNC_LIP_OCCURRED		0x8010
215 #define	ASYNC_LOOP_UP			0x8011
216 #define	ASYNC_LOOP_DOWN			0x8012
217 #define	ASYNC_LOOP_RESET		0x8013
218 #define	ASYNC_PDB_CHANGED		0x8014
219 #define	ASYNC_CHANGE_NOTIFY		0x8015
220 #define	ASYNC_LIP_F8			0x8016
221 #define	ASYNC_LIP_ERROR			0x8017
222 #define	ASYNC_SECURITY_UPDATE		0x801B
223 #define	ASYNC_CMD_CMPLT			0x8020
224 #define	ASYNC_CTIO_DONE			0x8021
225 #define	ASYNC_IP_XMIT_DONE		0x8022
226 #define	ASYNC_IP_RECV_DONE		0x8023
227 #define	ASYNC_IP_BROADCAST		0x8024
228 #define	ASYNC_IP_RCVQ_LOW		0x8025
229 #define	ASYNC_IP_RCVQ_EMPTY		0x8026
230 #define	ASYNC_IP_RECV_DONE_ALIGNED	0x8027
231 #define	ASYNC_PTPMODE			0x8030
232 #define	ASYNC_RIO1			0x8031
233 #define	ASYNC_RIO2			0x8032
234 #define	ASYNC_RIO3			0x8033
235 #define	ASYNC_RIO4			0x8034
236 #define	ASYNC_RIO5			0x8035
237 #define	ASYNC_CONNMODE			0x8036
238 #define		ISP_CONN_LOOP		1
239 #define		ISP_CONN_PTP		2
240 #define		ISP_CONN_BADLIP		3
241 #define		ISP_CONN_FATAL		4
242 #define		ISP_CONN_LOOPBACK	5
243 #define	ASYNC_RIO_RESP			0x8040
244 #define	ASYNC_RIO_COMP			0x8042
245 #define	ASYNC_RCV_ERR			0x8048
246 
247 /*
248  * 2.01.31 2200 Only. Need Bit 13 in Mailbox 1 for Set Firmware Options
249  * mailbox command to enable this.
250  */
251 #define	ASYNC_QFULL_SENT		0x8049
252 
253 /*
254  * 24XX only
255  */
256 #define	ASYNC_RJT_SENT			0x8049
257 
258 /*
259  * All IOCB Queue entries are this size
260  */
261 #define	QENTRY_LEN			64
262 
263 /*
264  * Special Internal Handle for IOCBs
265  */
266 #define	ISP_SPCL_HANDLE			0xa5dead5a
267 
268 /*
269  * Command Structure Definitions
270  */
271 
272 typedef struct {
273 	uint32_t	ds_base;
274 	uint32_t	ds_count;
275 } ispds_t;
276 
277 typedef struct {
278 	uint32_t	ds_base;
279 	uint32_t	ds_basehi;
280 	uint32_t	ds_count;
281 } ispds64_t;
282 
283 #define	DSTYPE_32BIT	0
284 #define	DSTYPE_64BIT	1
285 typedef struct {
286 	uint16_t	ds_type;	/* 0-> ispds_t, 1-> ispds64_t */
287 	uint32_t	ds_segment;	/* unused */
288 	uint32_t	ds_base;	/* 32 bit address of DSD list */
289 } ispdslist_t;
290 
291 
292 typedef struct {
293 	uint8_t		rqs_entry_type;
294 	uint8_t		rqs_entry_count;
295 	uint8_t		rqs_seqno;
296 	uint8_t		rqs_flags;
297 } isphdr_t;
298 
299 /* RQS Flag definitions */
300 #define	RQSFLAG_CONTINUATION	0x01
301 #define	RQSFLAG_FULL		0x02
302 #define	RQSFLAG_BADHEADER	0x04
303 #define	RQSFLAG_BADPACKET	0x08
304 #define	RQSFLAG_BADCOUNT	0x10
305 #define	RQSFLAG_BADORDER	0x20
306 #define	RQSFLAG_MASK		0x3f
307 
308 /* RQS entry_type definitions */
309 #define	RQSTYPE_REQUEST		0x01
310 #define	RQSTYPE_DATASEG		0x02
311 #define	RQSTYPE_RESPONSE	0x03
312 #define	RQSTYPE_MARKER		0x04
313 #define	RQSTYPE_CMDONLY		0x05
314 #define	RQSTYPE_ATIO		0x06	/* Target Mode */
315 #define	RQSTYPE_CTIO		0x07	/* Target Mode */
316 #define	RQSTYPE_SCAM		0x08
317 #define	RQSTYPE_A64		0x09
318 #define	RQSTYPE_A64_CONT	0x0a
319 #define	RQSTYPE_ENABLE_LUN	0x0b	/* Target Mode */
320 #define	RQSTYPE_MODIFY_LUN	0x0c	/* Target Mode */
321 #define	RQSTYPE_NOTIFY		0x0d	/* Target Mode */
322 #define	RQSTYPE_NOTIFY_ACK	0x0e	/* Target Mode */
323 #define	RQSTYPE_CTIO1		0x0f	/* Target Mode */
324 #define	RQSTYPE_STATUS_CONT	0x10
325 #define	RQSTYPE_T2RQS		0x11
326 #define	RQSTYPE_CTIO7		0x12
327 #define	RQSTYPE_IP_XMIT		0x13
328 #define	RQSTYPE_TSK_MGMT	0x14
329 #define	RQSTYPE_T4RQS		0x15
330 #define	RQSTYPE_ATIO2		0x16	/* Target Mode */
331 #define	RQSTYPE_CTIO2		0x17	/* Target Mode */
332 #define	RQSTYPE_T7RQS		0x18
333 #define	RQSTYPE_T3RQS		0x19
334 #define	RQSTYPE_IP_XMIT_64	0x1b
335 #define	RQSTYPE_CTIO4		0x1e	/* Target Mode */
336 #define	RQSTYPE_CTIO3		0x1f	/* Target Mode */
337 #define	RQSTYPE_RIO1		0x21
338 #define	RQSTYPE_RIO2		0x22
339 #define	RQSTYPE_IP_RECV		0x23
340 #define	RQSTYPE_IP_RECV_CONT	0x24
341 #define	RQSTYPE_CT_PASSTHRU	0x29
342 #define	RQSTYPE_MS_PASSTHRU	0x29
343 #define	RQSTYPE_VP_CTRL		0x30	/* 24XX only */
344 #define	RQSTYPE_VP_MODIFY	0x31	/* 24XX only */
345 #define	RQSTYPE_RPT_ID_ACQ	0x32	/* 24XX only */
346 #define	RQSTYPE_ABORT_IO	0x33
347 #define	RQSTYPE_T6RQS		0x48
348 #define	RQSTYPE_LOGIN		0x52
349 #define	RQSTYPE_ABTS_RCVD	0x54	/* 24XX only */
350 #define	RQSTYPE_ABTS_RSP	0x55	/* 24XX only */
351 
352 
353 #define	ISP_RQDSEG	4
354 typedef struct {
355 	isphdr_t	req_header;
356 	uint32_t	req_handle;
357 	uint8_t		req_lun_trn;
358 	uint8_t		req_target;
359 	uint16_t	req_cdblen;
360 	uint16_t	req_flags;
361 	uint16_t	req_reserved;
362 	uint16_t	req_time;
363 	uint16_t	req_seg_count;
364 	uint8_t		req_cdb[12];
365 	ispds_t		req_dataseg[ISP_RQDSEG];
366 } ispreq_t;
367 #define	ISP_RQDSEG_A64	2
368 
369 typedef struct {
370 	isphdr_t	mrk_header;
371 	uint32_t	mrk_handle;
372 	uint8_t		mrk_reserved0;
373 	uint8_t		mrk_target;
374 	uint16_t	mrk_modifier;
375 	uint16_t	mrk_flags;
376 	uint16_t	mrk_lun;
377 	uint8_t		mrk_reserved1[48];
378 } isp_marker_t;
379 
380 typedef struct {
381 	isphdr_t	mrk_header;
382 	uint32_t	mrk_handle;
383 	uint16_t	mrk_nphdl;
384 	uint8_t		mrk_modifier;
385 	uint8_t		mrk_reserved0;
386 	uint8_t		mrk_reserved1;
387 	uint8_t		mrk_vphdl;
388 	uint16_t	mrk_reserved2;
389 	uint8_t		mrk_lun[8];
390 	uint8_t		mrk_reserved3[40];
391 } isp_marker_24xx_t;
392 
393 
394 #define SYNC_DEVICE	0
395 #define SYNC_TARGET	1
396 #define SYNC_ALL	2
397 #define SYNC_LIP	3
398 
399 #define	ISP_RQDSEG_T2		3
400 typedef struct {
401 	isphdr_t	req_header;
402 	uint32_t	req_handle;
403 	uint8_t		req_lun_trn;
404 	uint8_t		req_target;
405 	uint16_t	req_scclun;
406 	uint16_t	req_flags;
407 	uint16_t	req_reserved;
408 	uint16_t	req_time;
409 	uint16_t	req_seg_count;
410 	uint8_t		req_cdb[16];
411 	uint32_t	req_totalcnt;
412 	ispds_t		req_dataseg[ISP_RQDSEG_T2];
413 } ispreqt2_t;
414 
415 typedef struct {
416 	isphdr_t	req_header;
417 	uint32_t	req_handle;
418 	uint16_t	req_target;
419 	uint16_t	req_scclun;
420 	uint16_t	req_flags;
421 	uint16_t	req_reserved;
422 	uint16_t	req_time;
423 	uint16_t	req_seg_count;
424 	uint8_t		req_cdb[16];
425 	uint32_t	req_totalcnt;
426 	ispds_t		req_dataseg[ISP_RQDSEG_T2];
427 } ispreqt2e_t;
428 
429 #define	ISP_RQDSEG_T3		2
430 typedef struct {
431 	isphdr_t	req_header;
432 	uint32_t	req_handle;
433 	uint8_t		req_lun_trn;
434 	uint8_t		req_target;
435 	uint16_t	req_scclun;
436 	uint16_t	req_flags;
437 	uint16_t	req_reserved;
438 	uint16_t	req_time;
439 	uint16_t	req_seg_count;
440 	uint8_t		req_cdb[16];
441 	uint32_t	req_totalcnt;
442 	ispds64_t	req_dataseg[ISP_RQDSEG_T3];
443 } ispreqt3_t;
444 #define	ispreq64_t	ispreqt3_t	/* same as.... */
445 
446 typedef struct {
447 	isphdr_t	req_header;
448 	uint32_t	req_handle;
449 	uint16_t	req_target;
450 	uint16_t	req_scclun;
451 	uint16_t	req_flags;
452 	uint16_t	req_reserved;
453 	uint16_t	req_time;
454 	uint16_t	req_seg_count;
455 	uint8_t		req_cdb[16];
456 	uint32_t	req_totalcnt;
457 	ispds64_t	req_dataseg[ISP_RQDSEG_T3];
458 } ispreqt3e_t;
459 
460 /* req_flag values */
461 #define	REQFLAG_NODISCON	0x0001
462 #define	REQFLAG_HTAG		0x0002
463 #define	REQFLAG_OTAG		0x0004
464 #define	REQFLAG_STAG		0x0008
465 #define	REQFLAG_TARGET_RTN	0x0010
466 
467 #define	REQFLAG_NODATA		0x0000
468 #define	REQFLAG_DATA_IN		0x0020
469 #define	REQFLAG_DATA_OUT	0x0040
470 #define	REQFLAG_DATA_UNKNOWN	0x0060
471 
472 #define	REQFLAG_DISARQ		0x0100
473 #define	REQFLAG_FRC_ASYNC	0x0200
474 #define	REQFLAG_FRC_SYNC	0x0400
475 #define	REQFLAG_FRC_WIDE	0x0800
476 #define	REQFLAG_NOPARITY	0x1000
477 #define	REQFLAG_STOPQ		0x2000
478 #define	REQFLAG_XTRASNS		0x4000
479 #define	REQFLAG_PRIORITY	0x8000
480 
481 typedef struct {
482 	isphdr_t	req_header;
483 	uint32_t	req_handle;
484 	uint8_t		req_lun_trn;
485 	uint8_t		req_target;
486 	uint16_t	req_cdblen;
487 	uint16_t	req_flags;
488 	uint16_t	req_reserved;
489 	uint16_t	req_time;
490 	uint16_t	req_seg_count;
491 	uint8_t		req_cdb[44];
492 } ispextreq_t;
493 
494 /* 24XX only */
495 typedef struct {
496 	uint16_t	fcd_length;
497 	uint16_t	fcd_a1500;
498 	uint16_t	fcd_a3116;
499 	uint16_t	fcd_a4732;
500 	uint16_t	fcd_a6348;
501 } fcp_cmnd_ds_t;
502 
503 typedef struct {
504 	isphdr_t	req_header;
505 	uint32_t	req_handle;
506 	uint16_t	req_nphdl;
507 	uint16_t	req_time;
508 	uint16_t	req_seg_count;
509 	uint16_t	req_fc_rsp_dsd_length;
510 	uint8_t		req_lun[8];
511 	uint16_t	req_flags;
512 	uint16_t	req_fc_cmnd_dsd_length;
513 	uint16_t	req_fc_cmnd_dsd_a1500;
514 	uint16_t	req_fc_cmnd_dsd_a3116;
515 	uint16_t	req_fc_cmnd_dsd_a4732;
516 	uint16_t	req_fc_cmnd_dsd_a6348;
517 	uint16_t	req_fc_rsp_dsd_a1500;
518 	uint16_t	req_fc_rsp_dsd_a3116;
519 	uint16_t	req_fc_rsp_dsd_a4732;
520 	uint16_t	req_fc_rsp_dsd_a6348;
521 	uint32_t	req_totalcnt;
522 	uint16_t	req_tidlo;
523 	uint8_t		req_tidhi;
524 	uint8_t		req_vpidx;
525 	ispds64_t	req_dataseg;
526 } ispreqt6_t;
527 
528 typedef struct {
529 	isphdr_t	req_header;
530 	uint32_t	req_handle;
531 	uint16_t	req_nphdl;
532 	uint16_t	req_time;
533 	uint16_t	req_seg_count;
534 	uint16_t	req_reserved;
535 	uint8_t		req_lun[8];
536 	uint8_t		req_alen_datadir;
537 	uint8_t		req_task_management;
538 	uint8_t		req_task_attribute;
539 	uint8_t		req_crn;
540 	uint8_t		req_cdb[16];
541 	uint32_t	req_dl;
542 	uint16_t	req_tidlo;
543 	uint8_t		req_tidhi;
544 	uint8_t		req_vpidx;
545 	ispds64_t	req_dataseg;
546 } ispreqt7_t;
547 
548 /* Task Management Request Function */
549 typedef struct {
550 	isphdr_t	tmf_header;
551 	uint32_t	tmf_handle;
552 	uint16_t	tmf_nphdl;
553 	uint8_t		tmf_reserved0[2];
554 	uint16_t	tmf_delay;
555 	uint16_t	tmf_timeout;
556 	uint8_t		tmf_lun[8];
557 	uint32_t	tmf_flags;
558 	uint8_t		tmf_reserved1[20];
559 	uint16_t	tmf_tidlo;
560 	uint8_t		tmf_tidhi;
561 	uint8_t		tmf_vpidx;
562 	uint8_t		tmf_reserved2[12];
563 } isp24xx_tmf_t;
564 
565 #define	ISP24XX_TMF_NOSEND		0x80000000
566 
567 #define	ISP24XX_TMF_LUN_RESET		0x00000010
568 #define	ISP24XX_TMF_ABORT_TASK_SET	0x00000008
569 #define	ISP24XX_TMF_CLEAR_TASK_SET	0x00000004
570 #define	ISP24XX_TMF_TARGET_RESET	0x00000002
571 #define	ISP24XX_TMF_CLEAR_ACA		0x00000001
572 
573 /* I/O Abort Structure */
574 typedef struct {
575 	isphdr_t	abrt_header;
576 	uint32_t	abrt_handle;
577 	uint16_t	abrt_nphdl;
578 	uint16_t	abrt_options;
579 	uint32_t	abrt_cmd_handle;
580 	uint8_t		abrt_reserved[32];
581 	uint16_t	abrt_tidlo;
582 	uint8_t		abrt_tidhi;
583 	uint8_t		abrt_vpidx;
584 	uint8_t		abrt_reserved1[12];
585 } isp24xx_abrt_t;
586 
587 #define	ISP24XX_ABRT_NOSEND	0x01	/* don't actually send ABTS */
588 #define	ISP24XX_ABRT_OKAY	0x00	/* in nphdl on return */
589 #define	ISP24XX_ABRT_ENXIO	0x31	/* in nphdl on return */
590 
591 #define	ISP_CDSEG	7
592 typedef struct {
593 	isphdr_t	req_header;
594 	uint32_t	req_reserved;
595 	ispds_t		req_dataseg[ISP_CDSEG];
596 } ispcontreq_t;
597 
598 #define	ISP_CDSEG64	5
599 typedef struct {
600 	isphdr_t	req_header;
601 	ispds64_t	req_dataseg[ISP_CDSEG64];
602 } ispcontreq64_t;
603 
604 typedef struct {
605 	isphdr_t	req_header;
606 	uint32_t	req_handle;
607 	uint16_t	req_scsi_status;
608 	uint16_t	req_completion_status;
609 	uint16_t	req_state_flags;
610 	uint16_t	req_status_flags;
611 	uint16_t	req_time;
612 #define	req_response_len	req_time	/* FC only */
613 	uint16_t	req_sense_len;
614 	uint32_t	req_resid;
615 	uint8_t		req_response[8];	/* FC only */
616 	uint8_t		req_sense_data[32];
617 } ispstatusreq_t;
618 
619 /*
620  * Status Continuation
621  */
622 typedef struct {
623 	isphdr_t	req_header;
624 	uint8_t		req_sense_data[60];
625 } ispstatus_cont_t;
626 
627 /*
628  * 24XX Type 0 status
629  */
630 typedef struct {
631 	isphdr_t	req_header;
632 	uint32_t	req_handle;
633 	uint16_t	req_completion_status;
634 	uint16_t	req_oxid;
635 	uint32_t	req_resid;
636 	uint16_t	req_reserved0;
637 	uint16_t	req_state_flags;
638 	uint16_t	req_reserved1;
639 	uint16_t	req_scsi_status;
640 	uint32_t	req_fcp_residual;
641 	uint32_t	req_sense_len;
642 	uint32_t	req_response_len;
643 	uint8_t		req_rsp_sense[28];
644 } isp24xx_statusreq_t;
645 
646 /*
647  * For Qlogic 2X00, the high order byte of SCSI status has
648  * additional meaning.
649  */
650 #define	RQCS_RU	0x800	/* Residual Under */
651 #define	RQCS_RO	0x400	/* Residual Over */
652 #define	RQCS_RESID	(RQCS_RU|RQCS_RO)
653 #define	RQCS_SV	0x200	/* Sense Length Valid */
654 #define	RQCS_RV	0x100	/* FCP Response Length Valid */
655 
656 /*
657  * CT Passthru IOCB
658  */
659 typedef struct {
660 	isphdr_t	ctp_header;
661 	uint32_t	ctp_handle;
662 	uint16_t	ctp_status;
663 	uint16_t	ctp_nphdl;	/* n-port handle */
664 	uint16_t	ctp_cmd_cnt;	/* Command DSD count */
665 	uint8_t		ctp_vpidx;
666 	uint8_t		ctp_reserved0;
667 	uint16_t	ctp_time;
668 	uint16_t	ctp_reserved1;
669 	uint16_t	ctp_rsp_cnt;	/* Response DSD count */
670 	uint16_t	ctp_reserved2[5];
671 	uint32_t	ctp_rsp_bcnt;	/* Response byte count */
672 	uint32_t	ctp_cmd_bcnt;	/* Command byte count */
673 	ispds64_t	ctp_dataseg[2];
674 } isp_ct_pt_t;
675 
676 /*
677  * MS Passthru IOCB
678  */
679 typedef struct {
680 	isphdr_t	ms_header;
681 	uint32_t	ms_handle;
682 	uint16_t	ms_nphdl;	/* handle in high byte for !2k f/w */
683 	uint16_t	ms_status;
684 	uint16_t	ms_flags;
685 	uint16_t	ms_reserved1;	/* low 8 bits */
686 	uint16_t	ms_time;
687 	uint16_t	ms_cmd_cnt;	/* Command DSD count */
688 	uint16_t	ms_tot_cnt;	/* Total DSD Count */
689 	uint8_t		ms_type;	/* MS type */
690 	uint8_t		ms_r_ctl;	/* R_CTL */
691 	uint16_t	ms_rxid;	/* RX_ID */
692 	uint16_t	ms_reserved2;
693 	uint32_t	ms_handle2;
694 	uint32_t	ms_rsp_bcnt;	/* Response byte count */
695 	uint32_t	ms_cmd_bcnt;	/* Command byte count */
696 	ispds64_t	ms_dataseg[2];
697 } isp_ms_t;
698 
699 /*
700  * Completion Status Codes.
701  */
702 #define RQCS_COMPLETE			0x0000
703 #define RQCS_DMA_ERROR			0x0002
704 #define RQCS_RESET_OCCURRED		0x0004
705 #define RQCS_ABORTED			0x0005
706 #define RQCS_TIMEOUT			0x0006
707 #define RQCS_DATA_OVERRUN		0x0007
708 #define RQCS_DATA_UNDERRUN		0x0015
709 #define	RQCS_QUEUE_FULL			0x001C
710 
711 /* 1X00 Only Completion Codes */
712 #define RQCS_INCOMPLETE			0x0001
713 #define RQCS_TRANSPORT_ERROR		0x0003
714 #define RQCS_COMMAND_OVERRUN		0x0008
715 #define RQCS_STATUS_OVERRUN		0x0009
716 #define RQCS_BAD_MESSAGE		0x000a
717 #define RQCS_NO_MESSAGE_OUT		0x000b
718 #define RQCS_EXT_ID_FAILED		0x000c
719 #define RQCS_IDE_MSG_FAILED		0x000d
720 #define RQCS_ABORT_MSG_FAILED		0x000e
721 #define RQCS_REJECT_MSG_FAILED		0x000f
722 #define RQCS_NOP_MSG_FAILED		0x0010
723 #define RQCS_PARITY_ERROR_MSG_FAILED	0x0011
724 #define RQCS_DEVICE_RESET_MSG_FAILED	0x0012
725 #define RQCS_ID_MSG_FAILED		0x0013
726 #define RQCS_UNEXP_BUS_FREE		0x0014
727 #define	RQCS_XACT_ERR1			0x0018
728 #define	RQCS_XACT_ERR2			0x0019
729 #define	RQCS_XACT_ERR3			0x001A
730 #define	RQCS_BAD_ENTRY			0x001B
731 #define	RQCS_PHASE_SKIPPED		0x001D
732 #define	RQCS_ARQS_FAILED		0x001E
733 #define	RQCS_WIDE_FAILED		0x001F
734 #define	RQCS_SYNCXFER_FAILED		0x0020
735 #define	RQCS_LVD_BUSERR			0x0021
736 
737 /* 2X00 Only Completion Codes */
738 #define	RQCS_PORT_UNAVAILABLE		0x0028
739 #define	RQCS_PORT_LOGGED_OUT		0x0029
740 #define	RQCS_PORT_CHANGED		0x002A
741 #define	RQCS_PORT_BUSY			0x002B
742 
743 /* 24XX Only Completion Codes */
744 #define	RQCS_24XX_DRE			0x0011	/* data reassembly error */
745 #define	RQCS_24XX_TABORT		0x0013	/* aborted by target */
746 #define	RQCS_24XX_ENOMEM		0x002C	/* f/w resource unavailable */
747 #define	RQCS_24XX_TMO			0x0030	/* task management overrun */
748 
749 
750 /*
751  * 1X00 specific State Flags
752  */
753 #define RQSF_GOT_BUS			0x0100
754 #define RQSF_GOT_TARGET			0x0200
755 #define RQSF_SENT_CDB			0x0400
756 #define RQSF_XFRD_DATA			0x0800
757 #define RQSF_GOT_STATUS			0x1000
758 #define RQSF_GOT_SENSE			0x2000
759 #define	RQSF_XFER_COMPLETE		0x4000
760 
761 /*
762  * 2X00 specific State Flags
763  * (same as 1X00 except RQSF_GOT_BUS/RQSF_GOT_TARGET are not available)
764  */
765 #define	RQSF_DATA_IN			0x0020
766 #define	RQSF_DATA_OUT			0x0040
767 #define	RQSF_STAG			0x0008
768 #define	RQSF_OTAG			0x0004
769 #define	RQSF_HTAG			0x0002
770 /*
771  * 1X00 Status Flags
772  */
773 #define RQSTF_DISCONNECT		0x0001
774 #define RQSTF_SYNCHRONOUS		0x0002
775 #define RQSTF_PARITY_ERROR		0x0004
776 #define RQSTF_BUS_RESET			0x0008
777 #define RQSTF_DEVICE_RESET		0x0010
778 #define RQSTF_ABORTED			0x0020
779 #define RQSTF_TIMEOUT			0x0040
780 #define RQSTF_NEGOTIATION		0x0080
781 
782 /*
783  * 2X00 specific state flags
784  */
785 /* RQSF_SENT_CDB	*/
786 /* RQSF_XFRD_DATA	*/
787 /* RQSF_GOT_STATUS	*/
788 /* RQSF_XFER_COMPLETE	*/
789 
790 /*
791  * 2X00 specific status flags
792  */
793 /* RQSTF_ABORTED */
794 /* RQSTF_TIMEOUT */
795 #define	RQSTF_DMA_ERROR			0x0080
796 #define	RQSTF_LOGOUT			0x2000
797 
798 /*
799  * Miscellaneous
800  */
801 #ifndef	ISP_EXEC_THROTTLE
802 #define	ISP_EXEC_THROTTLE	16
803 #endif
804 
805 /*
806  * About Firmware returns an 'attribute' word in mailbox 6.
807  * These attributes are for 2200 and 2300.
808  */
809 #define	ISP_FW_ATTR_TMODE	0x0001
810 #define	ISP_FW_ATTR_SCCLUN	0x0002
811 #define	ISP_FW_ATTR_FABRIC	0x0004
812 #define	ISP_FW_ATTR_CLASS2	0x0008
813 #define	ISP_FW_ATTR_FCTAPE	0x0010
814 #define	ISP_FW_ATTR_IP		0x0020
815 #define	ISP_FW_ATTR_VI		0x0040
816 #define	ISP_FW_ATTR_VI_SOLARIS	0x0080
817 #define	ISP_FW_ATTR_2KLOGINS	0x0100	/* just a guess... */
818 
819 /* and these are for the 2400 */
820 #define	ISP2400_FW_ATTR_CLASS2	0x0001
821 #define	ISP2400_FW_ATTR_IP	0x0002
822 #define	ISP2400_FW_ATTR_MULTIID	0x0004
823 #define	ISP2400_FW_ATTR_SB2	0x0008
824 #define	ISP2400_FW_ATTR_T10CRC	0x0010
825 #define	ISP2400_FW_ATTR_VI	0x0020
826 #define	ISP2400_FW_ATTR_EXPFW	0x2000
827 
828 #define	ISP_CAP_TMODE(isp)	\
829 	(IS_24XX(isp)? 1 : (isp->isp_fwattr & ISP_FW_ATTR_TMODE))
830 #define	ISP_CAP_SCCFW(isp)	\
831 	(IS_24XX(isp)? 1 : (isp->isp_fwattr & ISP_FW_ATTR_SCCLUN))
832 #define	ISP_CAP_2KLOGIN(isp)	\
833 	(IS_24XX(isp)? 1 : (isp->isp_fwattr & ISP_FW_ATTR_2KLOGINS))
834 #define	ISP_CAP_MULTI_ID(isp)	\
835 	(IS_24XX(isp)? (isp->isp_fwattr & ISP2400_FW_ATTR_MULTIID) : 0)
836 
837 #define	ISP_GET_VPIDX(isp, tag) \
838 	(ISP_CAP_MULTI_ID(isp) ? tag : 0)
839 
840 /*
841  * Reduced Interrupt Operation Response Queue Entreis
842  */
843 
844 typedef struct {
845 	isphdr_t	req_header;
846 	uint32_t	req_handles[15];
847 } isp_rio1_t;
848 
849 typedef struct {
850 	isphdr_t	req_header;
851 	uint16_t	req_handles[30];
852 } isp_rio2_t;
853 
854 /*
855  * FC (ISP2100/ISP2200/ISP2300/ISP2400) specific data structures
856  */
857 
858 /*
859  * Initialization Control Block
860  *
861  * Version One (prime) format.
862  */
863 typedef struct {
864 	uint8_t		icb_version;
865 	uint8_t		icb_reserved0;
866 	uint16_t	icb_fwoptions;
867 	uint16_t	icb_maxfrmlen;
868 	uint16_t	icb_maxalloc;
869 	uint16_t	icb_execthrottle;
870 	uint8_t		icb_retry_count;
871 	uint8_t		icb_retry_delay;
872 	uint8_t		icb_portname[8];
873 	uint16_t	icb_hardaddr;
874 	uint8_t		icb_iqdevtype;
875 	uint8_t		icb_logintime;
876 	uint8_t		icb_nodename[8];
877 	uint16_t	icb_rqstout;
878 	uint16_t	icb_rspnsin;
879 	uint16_t	icb_rqstqlen;
880 	uint16_t	icb_rsltqlen;
881 	uint16_t	icb_rqstaddr[4];
882 	uint16_t	icb_respaddr[4];
883 	uint16_t	icb_lunenables;
884 	uint8_t		icb_ccnt;
885 	uint8_t		icb_icnt;
886 	uint16_t	icb_lunetimeout;
887 	uint16_t	icb_reserved1;
888 	uint16_t	icb_xfwoptions;
889 	uint8_t		icb_racctimer;
890 	uint8_t		icb_idelaytimer;
891 	uint16_t	icb_zfwoptions;
892 	uint16_t	icb_reserved2[13];
893 } isp_icb_t;
894 
895 #define	ICB_VERSION1	1
896 
897 #define	ICBOPT_EXTENDED		0x8000
898 #define	ICBOPT_BOTH_WWNS	0x4000
899 #define	ICBOPT_FULL_LOGIN	0x2000
900 #define	ICBOPT_STOP_ON_QFULL	0x1000	/* 2200/2100 only */
901 #define	ICBOPT_PREVLOOP		0x0800
902 #define	ICBOPT_SRCHDOWN		0x0400
903 #define	ICBOPT_NOLIP		0x0200
904 #define	ICBOPT_PDBCHANGE_AE	0x0100
905 #define	ICBOPT_INI_TGTTYPE	0x0080
906 #define	ICBOPT_INI_ADISC	0x0040
907 #define	ICBOPT_INI_DISABLE	0x0020
908 #define	ICBOPT_TGT_ENABLE	0x0010
909 #define	ICBOPT_FAST_POST	0x0008
910 #define	ICBOPT_FULL_DUPLEX	0x0004
911 #define	ICBOPT_FAIRNESS		0x0002
912 #define	ICBOPT_HARD_ADDRESS	0x0001
913 
914 #define	ICBXOPT_NO_LOGOUT	0x8000	/* no logout on link failure */
915 #define	ICBXOPT_FCTAPE_CCQ	0x4000	/* FC-Tape Command Queueing */
916 #define	ICBXOPT_FCTAPE_CONFIRM	0x2000
917 #define	ICBXOPT_FCTAPE		0x1000
918 #define	ICBXOPT_CLASS2_ACK0	0x0200
919 #define	ICBXOPT_CLASS2		0x0100
920 #define	ICBXOPT_NO_PLAY		0x0080	/* don't play if can't get hard addr */
921 #define	ICBXOPT_TOPO_MASK	0x0070
922 #define	ICBXOPT_LOOP_ONLY	0x0000
923 #define	ICBXOPT_PTP_ONLY	0x0010
924 #define	ICBXOPT_LOOP_2_PTP	0x0020
925 #define	ICBXOPT_PTP_2_LOOP	0x0030
926 /*
927  * The lower 4 bits of the xfwoptions field are the OPERATION MODE bits.
928  * RIO is not defined for the 23XX cards (just 2200)
929  */
930 #define	ICBXOPT_RIO_OFF		0
931 #define	ICBXOPT_RIO_16BIT	1
932 #define	ICBXOPT_RIO_32BIT	2
933 #define	ICBXOPT_RIO_16BIT_IOCB	3
934 #define	ICBXOPT_RIO_32BIT_IOCB	4
935 #define	ICBXOPT_ZIO		5
936 #define	ICBXOPT_TIMER_MASK	0x7
937 
938 #define	ICBZOPT_RATE_MASK	0xC000
939 #define	ICBZOPT_RATE_ONEGB	0x0000
940 #define	ICBZOPT_RATE_AUTO	0x8000
941 #define	ICBZOPT_RATE_TWOGB	0x4000
942 #define	ICBZOPT_50_OHM		0x2000
943 #define	ICBZOPT_ENA_OOF		0x0040	/* out of order frame handling */
944 #define	ICBZOPT_RSPSZ_MASK	0x0030
945 #define	ICBZOPT_RSPSZ_24	0x0000
946 #define	ICBZOPT_RSPSZ_12	0x0010
947 #define	ICBZOPT_RSPSZ_24A	0x0020
948 #define	ICBZOPT_RSPSZ_32	0x0030
949 #define	ICBZOPT_SOFTID		0x0002
950 #define	ICBZOPT_ENA_RDXFR_RDY	0x0001
951 
952 /* 2400 F/W options */
953 #define	ICB2400_OPT1_BOTH_WWNS		0x00004000
954 #define	ICB2400_OPT1_FULL_LOGIN		0x00002000
955 #define	ICB2400_OPT1_PREVLOOP		0x00000800
956 #define	ICB2400_OPT1_SRCHDOWN		0x00000400
957 #define	ICB2400_OPT1_NOLIP		0x00000200
958 #define	ICB2400_OPT1_INI_DISABLE	0x00000020
959 #define	ICB2400_OPT1_TGT_ENABLE		0x00000010
960 #define	ICB2400_OPT1_FULL_DUPLEX	0x00000004
961 #define	ICB2400_OPT1_FAIRNESS		0x00000002
962 #define	ICB2400_OPT1_HARD_ADDRESS	0x00000001
963 
964 #define	ICB2400_OPT2_FCTAPE		0x00001000
965 #define	ICB2400_OPT2_CLASS2_ACK0	0x00000200
966 #define	ICB2400_OPT2_CLASS2		0x00000100
967 #define	ICB2400_OPT2_NO_PLAY		0x00000080
968 #define	ICB2400_OPT2_TOPO_MASK		0x00000070
969 #define	ICB2400_OPT2_LOOP_ONLY		0x00000000
970 #define	ICB2400_OPT2_PTP_ONLY		0x00000010
971 #define	ICB2400_OPT2_LOOP_2_PTP		0x00000020
972 #define	ICB2400_OPT2_PTP_2_LOOP		0x00000030
973 #define	ICB2400_OPT2_TIMER_MASK		0x00000007
974 #define	ICB2400_OPT2_ZIO		0x00000005
975 #define	ICB2400_OPT2_ZIO1		0x00000006
976 
977 #define	ICB2400_OPT3_75_OHM		0x00010000
978 #define	ICB2400_OPT3_RATE_MASK		0x0000E000
979 #define	ICB2400_OPT3_RATE_ONEGB		0x00000000
980 #define	ICB2400_OPT3_RATE_TWOGB		0x00002000
981 #define ICB2400_OPT3_RATE_AUTO		0x00004000
982 #define	ICB2400_OPT3_RATE_FOURGB	0x00006000
983 #define	ICB2400_OPT3_RATE_EIGHTGB	0x00008000
984 #define	ICB2400_OPT3_ENA_OOF_XFRDY	0x00000200
985 #define	ICB2400_OPT3_NO_LOCAL_PLOGI	0x00000080
986 #define	ICB2400_OPT3_ENA_OOF		0x00000040
987 /* note that a response size flag of zero is reserved! */
988 #define	ICB2400_OPT3_RSPSZ_MASK		0x00000030
989 #define	ICB2400_OPT3_RSPSZ_12		0x00000010
990 #define	ICB2400_OPT3_RSPSZ_24		0x00000020
991 #define	ICB2400_OPT3_RSPSZ_32		0x00000030
992 #define	ICB2400_OPT3_SOFTID		0x00000002
993 
994 #define	ICB_MIN_FRMLEN		256
995 #define	ICB_MAX_FRMLEN		2112
996 #define	ICB_DFLT_FRMLEN		1024
997 #define	ICB_DFLT_ALLOC		256
998 #define	ICB_DFLT_THROTTLE	16
999 #define	ICB_DFLT_RDELAY		5
1000 #define	ICB_DFLT_RCOUNT		3
1001 
1002 #define	ICB_LOGIN_TOV		30
1003 #define	ICB_LUN_ENABLE_TOV	180
1004 
1005 
1006 /*
1007  * And somebody at QLogic had a great idea that you could just change
1008  * the structure *and* keep the version number the same as the other cards.
1009  */
1010 typedef struct {
1011 	uint16_t	icb_version;
1012 	uint16_t	icb_reserved0;
1013 	uint16_t	icb_maxfrmlen;
1014 	uint16_t	icb_execthrottle;
1015 	uint16_t	icb_xchgcnt;
1016 	uint16_t	icb_hardaddr;
1017 	uint8_t		icb_portname[8];
1018 	uint8_t		icb_nodename[8];
1019 	uint16_t	icb_rspnsin;
1020 	uint16_t	icb_rqstout;
1021 	uint16_t	icb_retry_count;
1022 	uint16_t	icb_priout;
1023 	uint16_t	icb_rsltqlen;
1024 	uint16_t	icb_rqstqlen;
1025 	uint16_t	icb_ldn_nols;
1026 	uint16_t	icb_prqstqlen;
1027 	uint16_t	icb_rqstaddr[4];
1028 	uint16_t	icb_respaddr[4];
1029 	uint16_t	icb_priaddr[4];
1030 	uint16_t	icb_reserved1[4];
1031 	uint16_t	icb_atio_in;
1032 	uint16_t	icb_atioqlen;
1033 	uint16_t	icb_atioqaddr[4];
1034 	uint16_t	icb_idelaytimer;
1035 	uint16_t	icb_logintime;
1036 	uint32_t	icb_fwoptions1;
1037 	uint32_t	icb_fwoptions2;
1038 	uint32_t	icb_fwoptions3;
1039 	uint16_t	icb_reserved2[12];
1040 } isp_icb_2400_t;
1041 
1042 #define	RQRSP_ADDR0015	0
1043 #define	RQRSP_ADDR1631	1
1044 #define	RQRSP_ADDR3247	2
1045 #define	RQRSP_ADDR4863	3
1046 
1047 
1048 #define	ICB_NNM0	7
1049 #define	ICB_NNM1	6
1050 #define	ICB_NNM2	5
1051 #define	ICB_NNM3	4
1052 #define	ICB_NNM4	3
1053 #define	ICB_NNM5	2
1054 #define	ICB_NNM6	1
1055 #define	ICB_NNM7	0
1056 
1057 #define	MAKE_NODE_NAME_FROM_WWN(array, wwn)	\
1058 	array[ICB_NNM0] = (uint8_t) ((wwn >>  0) & 0xff), \
1059 	array[ICB_NNM1] = (uint8_t) ((wwn >>  8) & 0xff), \
1060 	array[ICB_NNM2] = (uint8_t) ((wwn >> 16) & 0xff), \
1061 	array[ICB_NNM3] = (uint8_t) ((wwn >> 24) & 0xff), \
1062 	array[ICB_NNM4] = (uint8_t) ((wwn >> 32) & 0xff), \
1063 	array[ICB_NNM5] = (uint8_t) ((wwn >> 40) & 0xff), \
1064 	array[ICB_NNM6] = (uint8_t) ((wwn >> 48) & 0xff), \
1065 	array[ICB_NNM7] = (uint8_t) ((wwn >> 56) & 0xff)
1066 
1067 #define	MAKE_WWN_FROM_NODE_NAME(wwn, array)	\
1068 	wwn =	((uint64_t) array[ICB_NNM0]) | \
1069 		((uint64_t) array[ICB_NNM1] <<  8) | \
1070 		((uint64_t) array[ICB_NNM2] << 16) | \
1071 		((uint64_t) array[ICB_NNM3] << 24) | \
1072 		((uint64_t) array[ICB_NNM4] << 32) | \
1073 		((uint64_t) array[ICB_NNM5] << 40) | \
1074 		((uint64_t) array[ICB_NNM6] << 48) | \
1075 		((uint64_t) array[ICB_NNM7] << 56)
1076 
1077 
1078 /*
1079  * For MULTI_ID firmware, this describes a
1080  * virtual port entity for getting status.
1081  */
1082 typedef struct {
1083 	uint16_t	vp_port_status;
1084 	uint8_t		vp_port_options;
1085 	uint8_t		vp_port_loopid;
1086 	uint8_t		vp_port_portname[8];
1087 	uint8_t		vp_port_nodename[8];
1088 	uint16_t	vp_port_portid_lo;	/* not present when trailing icb */
1089 	uint16_t	vp_port_portid_hi;	/* not present when trailing icb */
1090 } vp_port_info_t;
1091 
1092 #define	ICB2400_VPOPT_TGT_DISABLE	0x00000020	/* disable target mode */
1093 #define	ICB2400_VPOPT_INI_ENABLE	0x00000010	/* enable initiator mode */
1094 #define	ICB2400_VPOPT_ENABLED		0x00000008
1095 #define	ICB2400_VPOPT_NOPLAY		0x00000004
1096 #define	ICB2400_VPOPT_PREVLOOP		0x00000002
1097 #define	ICB2400_VPOPT_HARD_ADDRESS	0x00000001
1098 
1099 #define	ICB2400_VPOPT_WRITE_SIZE	20
1100 
1101 /*
1102  * For MULTI_ID firmware, we append this structure
1103  * to the isp_icb_2400_t above, followed by a list
1104  * structures that are *most* of the vp_port_info_t.
1105  */
1106 typedef struct {
1107 	uint16_t	vp_count;
1108 	uint16_t	vp_global_options;
1109 } isp_icb_2400_vpinfo_t;
1110 
1111 #define	ICB2400_VPINFO_OFF	0x80	/* offset from start of ICB */
1112 #define	ICB2400_VPINFO_PORT_OFF(chan)		\
1113     ICB2400_VPINFO_OFF + 			\
1114     sizeof (isp_icb_2400_vpinfo_t) + ((chan - 1) * ICB2400_VPOPT_WRITE_SIZE)
1115 
1116 #define	ICB2400_VPGOPT_MID_DISABLE	0x02
1117 
1118 typedef struct {
1119 	isphdr_t	vp_ctrl_hdr;
1120 	uint32_t	vp_ctrl_handle;
1121 	uint16_t	vp_ctrl_index_fail;
1122 	uint16_t	vp_ctrl_status;
1123 	uint16_t	vp_ctrl_command;
1124 	uint16_t	vp_ctrl_vp_count;
1125 	uint16_t	vp_ctrl_idmap[8];
1126 	uint8_t		vp_ctrl_reserved[32];
1127 } vp_ctrl_info_t;
1128 
1129 #define	VP_CTRL_CMD_ENABLE_VP			0
1130 #define	VP_CTRL_CMD_DISABLE_VP			8
1131 #define	VP_CTRL_CMD_DISABLE_VP_REINIT_LINK	9
1132 #define	VP_CTRL_CMD_DISABLE_VP_LOGO		0xA
1133 
1134 /*
1135  * We can use this structure for modifying either one or two VP ports after initialization
1136  */
1137 typedef struct {
1138 	isphdr_t	vp_mod_hdr;
1139 	uint32_t	vp_mod_hdl;
1140 	uint16_t	vp_mod_reserved0;
1141 	uint16_t	vp_mod_status;
1142 	uint8_t		vp_mod_cmd;
1143 	uint8_t		vp_mod_cnt;
1144 	uint8_t		vp_mod_idx0;
1145 	uint8_t		vp_mod_idx1;
1146 	struct {
1147 		uint8_t		options;
1148 		uint8_t		loopid;
1149 		uint16_t	reserved1;
1150 		uint8_t		wwpn[8];
1151 		uint8_t		wwnn[8];
1152 	} vp_mod_ports[2];
1153 	uint8_t		vp_mod_reserved2[8];
1154 } vp_modify_t;
1155 
1156 #define	VP_STS_OK	0x00
1157 #define	VP_STS_ERR	0x01
1158 #define	VP_CNT_ERR	0x02
1159 #define	VP_GEN_ERR	0x03
1160 #define	VP_IDX_ERR	0x04
1161 #define	VP_STS_BSY	0x05
1162 
1163 #define	VP_MODIFY_VP	0x00
1164 #define	VP_MODIFY_ENA	0x01
1165 
1166 /*
1167  * Port Data Base Element
1168  */
1169 
1170 typedef struct {
1171 	uint16_t	pdb_options;
1172 	uint8_t		pdb_mstate;
1173 	uint8_t		pdb_sstate;
1174 	uint8_t		pdb_hardaddr_bits[4];
1175 	uint8_t		pdb_portid_bits[4];
1176 	uint8_t		pdb_nodename[8];
1177 	uint8_t		pdb_portname[8];
1178 	uint16_t	pdb_execthrottle;
1179 	uint16_t	pdb_exec_count;
1180 	uint8_t		pdb_retry_count;
1181 	uint8_t		pdb_retry_delay;
1182 	uint16_t	pdb_resalloc;
1183 	uint16_t	pdb_curalloc;
1184 	uint16_t	pdb_qhead;
1185 	uint16_t	pdb_qtail;
1186 	uint16_t	pdb_tl_next;
1187 	uint16_t	pdb_tl_last;
1188 	uint16_t	pdb_features;	/* PLOGI, Common Service */
1189 	uint16_t	pdb_pconcurrnt;	/* PLOGI, Common Service */
1190 	uint16_t	pdb_roi;	/* PLOGI, Common Service */
1191 	uint8_t		pdb_target;
1192 	uint8_t		pdb_initiator;	/* PLOGI, Class 3 Control Flags */
1193 	uint16_t	pdb_rdsiz;	/* PLOGI, Class 3 */
1194 	uint16_t	pdb_ncseq;	/* PLOGI, Class 3 */
1195 	uint16_t	pdb_noseq;	/* PLOGI, Class 3 */
1196 	uint16_t	pdb_labrtflg;
1197 	uint16_t	pdb_lstopflg;
1198 	uint16_t	pdb_sqhead;
1199 	uint16_t	pdb_sqtail;
1200 	uint16_t	pdb_ptimer;
1201 	uint16_t	pdb_nxt_seqid;
1202 	uint16_t	pdb_fcount;
1203 	uint16_t	pdb_prli_len;
1204 	uint16_t	pdb_prli_svc0;
1205 	uint16_t	pdb_prli_svc3;
1206 	uint16_t	pdb_loopid;
1207 	uint16_t	pdb_il_ptr;
1208 	uint16_t	pdb_sl_ptr;
1209 } isp_pdb_21xx_t;
1210 
1211 #define	PDB_OPTIONS_XMITTING	(1<<11)
1212 #define	PDB_OPTIONS_LNKXMIT	(1<<10)
1213 #define	PDB_OPTIONS_ABORTED	(1<<9)
1214 #define	PDB_OPTIONS_ADISC	(1<<1)
1215 
1216 #define	PDB_STATE_DISCOVERY	0
1217 #define	PDB_STATE_WDISC_ACK	1
1218 #define	PDB_STATE_PLOGI		2
1219 #define	PDB_STATE_PLOGI_ACK	3
1220 #define	PDB_STATE_PRLI		4
1221 #define	PDB_STATE_PRLI_ACK	5
1222 #define	PDB_STATE_LOGGED_IN	6
1223 #define	PDB_STATE_PORT_UNAVAIL	7
1224 #define	PDB_STATE_PRLO		8
1225 #define	PDB_STATE_PRLO_ACK	9
1226 #define	PDB_STATE_PLOGO		10
1227 #define	PDB_STATE_PLOG_ACK	11
1228 
1229 #define		SVC3_TGT_ROLE		0x10
1230 #define 	SVC3_INI_ROLE		0x20
1231 #define			SVC3_ROLE_MASK	0x30
1232 #define			SVC3_ROLE_SHIFT	4
1233 
1234 #define	BITS2WORD(x)		((x)[0] << 16 | (x)[3] << 8 | (x)[2])
1235 #define	BITS2WORD_24XX(x)	((x)[0] << 16 | (x)[1] << 8 | (x)[2])
1236 
1237 /*
1238  * Port Data Base Element- 24XX cards
1239  */
1240 typedef struct {
1241 	uint16_t	pdb_flags;
1242 	uint8_t		pdb_curstate;
1243 	uint8_t		pdb_laststate;
1244 	uint8_t		pdb_hardaddr_bits[4];
1245 	uint8_t		pdb_portid_bits[4];
1246 #define		pdb_nxt_seqid_2400	pdb_portid_bits[3]
1247 	uint16_t	pdb_retry_timer;
1248 	uint16_t	pdb_handle;
1249 	uint16_t	pdb_rcv_dsize;
1250 	uint16_t	pdb_reserved0;
1251 	uint16_t	pdb_prli_svc0;
1252 	uint16_t	pdb_prli_svc3;
1253 	uint8_t		pdb_portname[8];
1254 	uint8_t		pdb_nodename[8];
1255 	uint8_t		pdb_reserved1[24];
1256 } isp_pdb_24xx_t;
1257 
1258 #define	PDB2400_TID_SUPPORTED	0x4000
1259 #define	PDB2400_FC_TAPE		0x0080
1260 #define	PDB2400_CLASS2_ACK0	0x0040
1261 #define	PDB2400_FCP_CONF	0x0020
1262 #define	PDB2400_CLASS2		0x0010
1263 #define	PDB2400_ADDR_VALID	0x0002
1264 
1265 #define	PDB2400_STATE_PLOGI_PEND	0x03
1266 #define	PDB2400_STATE_PLOGI_DONE	0x04
1267 #define	PDB2400_STATE_PRLI_PEND		0x05
1268 #define	PDB2400_STATE_LOGGED_IN		0x06
1269 #define	PDB2400_STATE_PORT_UNAVAIL	0x07
1270 #define	PDB2400_STATE_PRLO_PEND		0x09
1271 #define	PDB2400_STATE_LOGO_PEND		0x0B
1272 
1273 /*
1274  * Common elements from the above two structures that are actually useful to us.
1275  */
1276 typedef struct {
1277 	uint16_t	handle;
1278 	uint16_t	reserved;
1279 	uint32_t	s3_role	: 8,
1280 			portid	: 24;
1281 	uint8_t		portname[8];
1282 	uint8_t		nodename[8];
1283 } isp_pdb_t;
1284 
1285 /*
1286  * Port Database Changed Async Event information for 24XX cards
1287  */
1288 #define	PDB24XX_AE_OK		0x00
1289 #define	PDB24XX_AE_IMPL_LOGO_1	0x01
1290 #define	PDB24XX_AE_IMPL_LOGO_2	0x02
1291 #define	PDB24XX_AE_IMPL_LOGO_3	0x03
1292 #define	PDB24XX_AE_PLOGI_RCVD	0x04
1293 #define	PDB24XX_AE_PLOGI_RJT	0x05
1294 #define	PDB24XX_AE_PRLI_RCVD	0x06
1295 #define	PDB24XX_AE_PRLI_RJT	0x07
1296 #define	PDB24XX_AE_TPRLO	0x08
1297 #define	PDB24XX_AE_TPRLO_RJT	0x09
1298 #define	PDB24XX_AE_PRLO_RCVD	0x0a
1299 #define	PDB24XX_AE_LOGO_RCVD	0x0b
1300 #define	PDB24XX_AE_TOPO_CHG	0x0c
1301 #define	PDB24XX_AE_NPORT_CHG	0x0d
1302 #define	PDB24XX_AE_FLOGI_RJT	0x0e
1303 #define	PDB24XX_AE_BAD_FANN	0x0f
1304 #define	PDB24XX_AE_FLOGI_TIMO	0x10
1305 #define	PDB24XX_AE_ABX_LOGO	0x11
1306 #define	PDB24XX_AE_PLOGI_DONE	0x12
1307 #define	PDB24XX_AE_PRLI_DONJE	0x13
1308 #define	PDB24XX_AE_OPN_1	0x14
1309 #define	PDB24XX_AE_OPN_2	0x15
1310 #define	PDB24XX_AE_TXERR	0x16
1311 #define	PDB24XX_AE_FORCED_LOGO	0x17
1312 #define	PDB24XX_AE_DISC_TIMO	0x18
1313 
1314 /*
1315  * Genericized Port Login/Logout software structure
1316  */
1317 typedef struct {
1318 	uint16_t	handle;
1319 	uint16_t	channel;
1320 	uint32_t
1321 		flags	: 8,
1322 		portid	: 24;
1323 } isp_plcmd_t;
1324 /* the flags to use are those for PLOGX_FLG_* below */
1325 
1326 /*
1327  * ISP24XX- Login/Logout Port IOCB
1328  */
1329 typedef struct {
1330 	isphdr_t	plogx_header;
1331 	uint32_t	plogx_handle;
1332 	uint16_t	plogx_status;
1333 	uint16_t	plogx_nphdl;
1334 	uint16_t	plogx_flags;
1335 	uint16_t	plogx_vphdl;		/* low 8 bits */
1336 	uint16_t	plogx_portlo;		/* low 16 bits */
1337 	uint16_t	plogx_rspsz_porthi;
1338 	struct {
1339 		uint16_t	lo16;
1340 		uint16_t	hi16;
1341 	} plogx_ioparm[11];
1342 } isp_plogx_t;
1343 
1344 #define	PLOGX_STATUS_OK		0x00
1345 #define	PLOGX_STATUS_UNAVAIL	0x28
1346 #define	PLOGX_STATUS_LOGOUT	0x29
1347 #define	PLOGX_STATUS_IOCBERR	0x31
1348 
1349 #define	PLOGX_IOCBERR_NOLINK	0x01
1350 #define	PLOGX_IOCBERR_NOIOCB	0x02
1351 #define	PLOGX_IOCBERR_NOXGHG	0x03
1352 #define	PLOGX_IOCBERR_FAILED	0x04	/* further info in IOPARM 1 */
1353 #define	PLOGX_IOCBERR_NOFABRIC	0x05
1354 #define	PLOGX_IOCBERR_NOTREADY	0x07
1355 #define	PLOGX_IOCBERR_NOLOGIN	0x08	/* further info in IOPARM 1 */
1356 #define	PLOGX_IOCBERR_NOPCB	0x0a
1357 #define	PLOGX_IOCBERR_REJECT	0x18	/* further info in IOPARM 1 */
1358 #define	PLOGX_IOCBERR_EINVAL	0x19	/* further info in IOPARM 1 */
1359 #define	PLOGX_IOCBERR_PORTUSED	0x1a	/* further info in IOPARM 1 */
1360 #define	PLOGX_IOCBERR_HNDLUSED	0x1b	/* further info in IOPARM 1 */
1361 #define	PLOGX_IOCBERR_NOHANDLE	0x1c
1362 #define	PLOGX_IOCBERR_NOFLOGI	0x1f	/* further info in IOPARM 1 */
1363 
1364 #define	PLOGX_FLG_CMD_MASK	0xf
1365 #define	PLOGX_FLG_CMD_PLOGI	0
1366 #define	PLOGX_FLG_CMD_PRLI	1
1367 #define	PLOGX_FLG_CMD_PDISC	2
1368 #define	PLOGX_FLG_CMD_LOGO	8
1369 #define	PLOGX_FLG_CMD_PRLO	9
1370 #define	PLOGX_FLG_CMD_TPRLO	10
1371 
1372 #define	PLOGX_FLG_COND_PLOGI		0x10	/* if with PLOGI */
1373 #define	PLOGX_FLG_IMPLICIT		0x10	/* if with LOGO, PRLO, TPRLO */
1374 #define	PLOGX_FLG_SKIP_PRLI		0x20	/* if with PLOGI */
1375 #define	PLOGX_FLG_IMPLICIT_LOGO_ALL	0x20	/* if with LOGO */
1376 #define	PLOGX_FLG_EXPLICIT_LOGO		0x40	/* if with LOGO */
1377 #define	PLOGX_FLG_COMMON_FEATURES	0x80	/* if with PLOGI */
1378 #define	PLOGX_FLG_FREE_NPHDL		0x80	/* if with with LOGO */
1379 
1380 #define	PLOGX_FLG_CLASS2		0x100	/* if with PLOGI */
1381 #define	PLOGX_FLG_FCP2_OVERRIDE		0x200	/* if with PRLOG, PRLI */
1382 
1383 /*
1384  * Report ID Acquisistion (24XX multi-id firmware)
1385  */
1386 typedef struct {
1387 	isphdr_t	ridacq_hdr;
1388 	uint32_t	ridacq_handle;
1389 	union {
1390 		struct {
1391 			uint8_t		ridacq_vp_acquired;
1392 			uint8_t		ridacq_vp_setup;
1393 			uint16_t	ridacq_reserved0;
1394 		} type0;	/* type 0 */
1395 		struct {
1396 			uint16_t	ridacq_vp_count;
1397 			uint8_t		ridacq_vp_index;
1398 			uint8_t		ridacq_vp_status;
1399 		} type1;	/* type 1 */
1400 	} un;
1401 	uint16_t	ridacq_vp_port_lo;
1402 	uint8_t		ridacq_vp_port_hi;
1403 	uint8_t		ridacq_format;		/* 0 or 1 */
1404 	uint16_t	ridacq_map[8];
1405 	uint8_t		ridacq_reserved1[32];
1406 } isp_ridacq_t;
1407 
1408 #define	RIDACQ_STS_COMPLETE	0
1409 #define	RIDACQ_STS_UNACQUIRED	1
1410 #define	RIDACQ_STS_CHANGED	20
1411 
1412 
1413 /*
1414  * Simple Name Server Data Structures
1415  */
1416 #define	SNS_GA_NXT	0x100
1417 #define	SNS_GPN_ID	0x112
1418 #define	SNS_GNN_ID	0x113
1419 #define	SNS_GFF_ID	0x11F
1420 #define	SNS_GID_FT	0x171
1421 #define	SNS_RFT_ID	0x217
1422 typedef struct {
1423 	uint16_t	snscb_rblen;	/* response buffer length (words) */
1424 	uint16_t	snscb_reserved0;
1425 	uint16_t	snscb_addr[4];	/* response buffer address */
1426 	uint16_t	snscb_sblen;	/* subcommand buffer length (words) */
1427 	uint16_t	snscb_reserved1;
1428 	uint16_t	snscb_data[1];	/* variable data */
1429 } sns_screq_t;	/* Subcommand Request Structure */
1430 
1431 typedef struct {
1432 	uint16_t	snscb_rblen;	/* response buffer length (words) */
1433 	uint16_t	snscb_reserved0;
1434 	uint16_t	snscb_addr[4];	/* response buffer address */
1435 	uint16_t	snscb_sblen;	/* subcommand buffer length (words) */
1436 	uint16_t	snscb_reserved1;
1437 	uint16_t	snscb_cmd;
1438 	uint16_t	snscb_reserved2;
1439 	uint32_t	snscb_reserved3;
1440 	uint32_t	snscb_port;
1441 } sns_ga_nxt_req_t;
1442 #define	SNS_GA_NXT_REQ_SIZE	(sizeof (sns_ga_nxt_req_t))
1443 
1444 typedef struct {
1445 	uint16_t	snscb_rblen;	/* response buffer length (words) */
1446 	uint16_t	snscb_reserved0;
1447 	uint16_t	snscb_addr[4];	/* response buffer address */
1448 	uint16_t	snscb_sblen;	/* subcommand buffer length (words) */
1449 	uint16_t	snscb_reserved1;
1450 	uint16_t	snscb_cmd;
1451 	uint16_t	snscb_reserved2;
1452 	uint32_t	snscb_reserved3;
1453 	uint32_t	snscb_portid;
1454 } sns_gxn_id_req_t;
1455 #define	SNS_GXN_ID_REQ_SIZE	(sizeof (sns_gxn_id_req_t))
1456 
1457 typedef struct {
1458 	uint16_t	snscb_rblen;	/* response buffer length (words) */
1459 	uint16_t	snscb_reserved0;
1460 	uint16_t	snscb_addr[4];	/* response buffer address */
1461 	uint16_t	snscb_sblen;	/* subcommand buffer length (words) */
1462 	uint16_t	snscb_reserved1;
1463 	uint16_t	snscb_cmd;
1464 	uint16_t	snscb_mword_div_2;
1465 	uint32_t	snscb_reserved3;
1466 	uint32_t	snscb_fc4_type;
1467 } sns_gid_ft_req_t;
1468 #define	SNS_GID_FT_REQ_SIZE	(sizeof (sns_gid_ft_req_t))
1469 
1470 typedef struct {
1471 	uint16_t	snscb_rblen;	/* response buffer length (words) */
1472 	uint16_t	snscb_reserved0;
1473 	uint16_t	snscb_addr[4];	/* response buffer address */
1474 	uint16_t	snscb_sblen;	/* subcommand buffer length (words) */
1475 	uint16_t	snscb_reserved1;
1476 	uint16_t	snscb_cmd;
1477 	uint16_t	snscb_reserved2;
1478 	uint32_t	snscb_reserved3;
1479 	uint32_t	snscb_port;
1480 	uint32_t	snscb_fc4_types[8];
1481 } sns_rft_id_req_t;
1482 #define	SNS_RFT_ID_REQ_SIZE	(sizeof (sns_rft_id_req_t))
1483 
1484 typedef struct {
1485 	ct_hdr_t	snscb_cthdr;
1486 	uint8_t		snscb_port_type;
1487 	uint8_t		snscb_port_id[3];
1488 	uint8_t		snscb_portname[8];
1489 	uint16_t	snscb_data[1];	/* variable data */
1490 } sns_scrsp_t;	/* Subcommand Response Structure */
1491 
1492 typedef struct {
1493 	ct_hdr_t	snscb_cthdr;
1494 	uint8_t		snscb_port_type;
1495 	uint8_t		snscb_port_id[3];
1496 	uint8_t		snscb_portname[8];
1497 	uint8_t		snscb_pnlen;		/* symbolic port name length */
1498 	uint8_t		snscb_pname[255];	/* symbolic port name */
1499 	uint8_t		snscb_nodename[8];
1500 	uint8_t		snscb_nnlen;		/* symbolic node name length */
1501 	uint8_t		snscb_nname[255];	/* symbolic node name */
1502 	uint8_t		snscb_ipassoc[8];
1503 	uint8_t		snscb_ipaddr[16];
1504 	uint8_t		snscb_svc_class[4];
1505 	uint8_t		snscb_fc4_types[32];
1506 	uint8_t		snscb_fpname[8];
1507 	uint8_t		snscb_reserved;
1508 	uint8_t		snscb_hardaddr[3];
1509 } sns_ga_nxt_rsp_t;	/* Subcommand Response Structure */
1510 #define	SNS_GA_NXT_RESP_SIZE	(sizeof (sns_ga_nxt_rsp_t))
1511 
1512 typedef struct {
1513 	ct_hdr_t	snscb_cthdr;
1514 	uint8_t		snscb_wwn[8];
1515 } sns_gxn_id_rsp_t;
1516 #define	SNS_GXN_ID_RESP_SIZE	(sizeof (sns_gxn_id_rsp_t))
1517 
1518 typedef struct {
1519 	ct_hdr_t	snscb_cthdr;
1520 	uint32_t	snscb_fc4_features[32];
1521 } sns_gff_id_rsp_t;
1522 #define	SNS_GFF_ID_RESP_SIZE	(sizeof (sns_gff_id_rsp_t))
1523 
1524 typedef struct {
1525 	ct_hdr_t	snscb_cthdr;
1526 	struct {
1527 		uint8_t		control;
1528 		uint8_t		portid[3];
1529 	} snscb_ports[1];
1530 } sns_gid_ft_rsp_t;
1531 #define	SNS_GID_FT_RESP_SIZE(x)	((sizeof (sns_gid_ft_rsp_t)) + ((x - 1) << 2))
1532 #define	SNS_RFT_ID_RESP_SIZE	(sizeof (ct_hdr_t))
1533 
1534 /*
1535  * Other Misc Structures
1536  */
1537 
1538 /* ELS Pass Through */
1539 typedef struct {
1540 	isphdr_t	els_hdr;
1541 	uint32_t	els_handle;
1542 	uint16_t	els_status;
1543 	uint16_t	els_nphdl;
1544 	uint16_t	els_xmit_dsd_count;	/* outgoing only */
1545 	uint8_t		els_vphdl;
1546 	uint8_t		els_sof;
1547 	uint32_t	els_rxid;
1548 	uint16_t	els_recv_dsd_count;	/* outgoing only */
1549 	uint8_t		els_opcode;
1550 	uint8_t		els_reserved1;
1551 	uint8_t		els_did_lo;
1552 	uint8_t		els_did_mid;
1553 	uint8_t		els_did_hi;
1554 	uint8_t		els_reserved2;
1555 	uint16_t	els_reserved3;
1556 	uint16_t	els_ctl_flags;
1557 	union {
1558 		struct {
1559 			uint32_t	_els_bytecnt;
1560 			uint32_t	_els_subcode1;
1561 			uint32_t	_els_subcode2;
1562 			uint8_t		_els_reserved4[20];
1563 		} in;
1564 		struct {
1565 			uint32_t	_els_recv_bytecnt;
1566 			uint32_t	_els_xmit_bytecnt;
1567 			uint32_t	_els_xmit_dsd_length;
1568 			uint16_t	_els_xmit_dsd_a1500;
1569 			uint16_t	_els_xmit_dsd_a3116;
1570 			uint16_t	_els_xmit_dsd_a4732;
1571 			uint16_t	_els_xmit_dsd_a6348;
1572 			uint32_t	_els_recv_dsd_length;
1573 			uint16_t	_els_recv_dsd_a1500;
1574 			uint16_t	_els_recv_dsd_a3116;
1575 			uint16_t	_els_recv_dsd_a4732;
1576 			uint16_t	_els_recv_dsd_a6348;
1577 		} out;
1578 	} inout;
1579 #define	els_bytecnt		inout.in._els_bytecnt
1580 #define	els_subcode1		inout.in._els_subcode1
1581 #define	els_subcode2		inout.in._els_subcode2
1582 #define	els_reserved4		inout.in._els_reserved4
1583 #define	els_recv_bytecnt	inout.out._els_recv_bytecnt
1584 #define	els_xmit_bytecnt	inout.out._els_xmit_bytecnt
1585 #define	els_xmit_dsd_length	inout.out._els_xmit_dsd_length
1586 #define	els_xmit_dsd_a1500	inout.out._els_xmit_dsd_a1500
1587 #define	els_xmit_dsd_a3116	inout.out._els_xmit_dsd_a3116
1588 #define	els_xmit_dsd_a4732	inout.out._els_xmit_dsd_a4732
1589 #define	els_xmit_dsd_a6348	inout.out._els_xmit_dsd_a6348
1590 #define	els_recv_dsd_length	inout.out._els_recv_dsd_length
1591 #define	els_recv_dsd_a1500	inout.out._els_recv_dsd_a1500
1592 #define	els_recv_dsd_a3116	inout.out._els_recv_dsd_a3116
1593 #define	els_recv_dsd_a4732	inout.out._els_recv_dsd_a4732
1594 #define	els_recv_dsd_a6348	inout.out._els_recv_dsd_a6348
1595 } els_t;
1596 
1597 /*
1598  * A handy package structure for running FC-SCSI commands internally
1599  */
1600 typedef struct {
1601 	uint16_t	handle;
1602 	uint16_t	lun;
1603 	uint32_t
1604 		channel : 8,
1605 		portid	: 24;
1606 	uint32_t	timeout;
1607 	union {
1608 		struct {
1609 			uint32_t data_length;
1610 			uint32_t
1611 				no_wait : 1,
1612 				do_read : 1;
1613 			uint8_t cdb[16];
1614 			void *data_ptr;
1615 		} beg;
1616 		struct {
1617 			uint32_t data_residual;
1618 			uint8_t status;
1619 			uint8_t pad;
1620 			uint16_t sense_length;
1621 			uint8_t sense_data[32];
1622 		} end;
1623 	} fcd;
1624 } isp_xcmd_t;
1625 
1626 /*
1627  * Target Mode related definitions
1628  */
1629 #define	QLTM_SENSELEN	18	/* non-FC cards only */
1630 #define QLTM_SVALID	0x80
1631 
1632 /*
1633  * Structure for Enable Lun and Modify Lun queue entries
1634  */
1635 typedef struct {
1636 	isphdr_t	le_header;
1637 	uint32_t	le_reserved;
1638 	uint8_t		le_lun;
1639 	uint8_t		le_rsvd;
1640 	uint8_t		le_ops;		/* Modify LUN only */
1641 	uint8_t		le_tgt;		/* Not for FC */
1642 	uint32_t	le_flags;	/* Not for FC */
1643 	uint8_t		le_status;
1644 	uint8_t		le_reserved2;
1645 	uint8_t		le_cmd_count;
1646 	uint8_t		le_in_count;
1647 	uint8_t		le_cdb6len;	/* Not for FC */
1648 	uint8_t		le_cdb7len;	/* Not for FC */
1649 	uint16_t	le_timeout;
1650 	uint16_t	le_reserved3[20];
1651 } lun_entry_t;
1652 
1653 /*
1654  * le_flags values
1655  */
1656 #define LUN_TQAE	0x00000002	/* bit1  Tagged Queue Action Enable */
1657 #define LUN_DSSM	0x01000000	/* bit24 Disable Sending SDP Message */
1658 #define	LUN_DISAD	0x02000000	/* bit25 Disable autodisconnect */
1659 #define LUN_DM		0x40000000	/* bit30 Disconnects Mandatory */
1660 
1661 /*
1662  * le_ops values
1663  */
1664 #define LUN_CCINCR	0x01	/* increment command count */
1665 #define LUN_CCDECR	0x02	/* decrement command count */
1666 #define LUN_ININCR	0x40	/* increment immed. notify count */
1667 #define LUN_INDECR	0x80	/* decrement immed. notify count */
1668 
1669 /*
1670  * le_status values
1671  */
1672 #define	LUN_OK		0x01	/* we be rockin' */
1673 #define LUN_ERR		0x04	/* request completed with error */
1674 #define LUN_INVAL	0x06	/* invalid request */
1675 #define LUN_NOCAP	0x16	/* can't provide requested capability */
1676 #define LUN_ENABLED	0x3E	/* LUN already enabled */
1677 
1678 /*
1679  * Immediate Notify Entry structure
1680  */
1681 #define IN_MSGLEN	8	/* 8 bytes */
1682 #define IN_RSVDLEN	8	/* 8 words */
1683 typedef struct {
1684 	isphdr_t	in_header;
1685 	uint32_t	in_reserved;
1686 	uint8_t		in_lun;		/* lun */
1687 	uint8_t		in_iid;		/* initiator */
1688 	uint8_t		in_reserved2;
1689 	uint8_t		in_tgt;		/* target */
1690 	uint32_t	in_flags;
1691 	uint8_t		in_status;
1692 	uint8_t		in_rsvd2;
1693 	uint8_t		in_tag_val;	/* tag value */
1694 	uint8_t		in_tag_type;	/* tag type */
1695 	uint16_t	in_seqid;	/* sequence id */
1696 	uint8_t		in_msg[IN_MSGLEN];	/* SCSI message bytes */
1697 	uint16_t	in_reserved3[IN_RSVDLEN];
1698 	uint8_t		in_sense[QLTM_SENSELEN];/* suggested sense data */
1699 } in_entry_t;
1700 
1701 typedef struct {
1702 	isphdr_t	in_header;
1703 	uint32_t	in_reserved;
1704 	uint8_t		in_lun;		/* lun */
1705 	uint8_t		in_iid;		/* initiator */
1706 	uint16_t	in_scclun;
1707 	uint32_t	in_reserved2;
1708 	uint16_t	in_status;
1709 	uint16_t	in_task_flags;
1710 	uint16_t	in_seqid;	/* sequence id */
1711 } in_fcentry_t;
1712 
1713 typedef struct {
1714 	isphdr_t	in_header;
1715 	uint32_t	in_reserved;
1716 	uint16_t	in_iid;		/* initiator */
1717 	uint16_t	in_scclun;
1718 	uint32_t	in_reserved2;
1719 	uint16_t	in_status;
1720 	uint16_t	in_task_flags;
1721 	uint16_t	in_seqid;	/* sequence id */
1722 } in_fcentry_e_t;
1723 
1724 /*
1725  * Values for the in_status field
1726  */
1727 #define	IN_REJECT	0x0D	/* Message Reject message received */
1728 #define IN_RESET	0x0E	/* Bus Reset occurred */
1729 #define IN_NO_RCAP	0x16	/* requested capability not available */
1730 #define IN_IDE_RECEIVED	0x33	/* Initiator Detected Error msg received */
1731 #define IN_RSRC_UNAVAIL	0x34	/* resource unavailable */
1732 #define IN_MSG_RECEIVED	0x36	/* SCSI message received */
1733 #define	IN_ABORT_TASK	0x20	/* task named in RX_ID is being aborted (FC) */
1734 #define	IN_PORT_LOGOUT	0x29	/* port has logged out (FC) */
1735 #define	IN_PORT_CHANGED	0x2A	/* port changed */
1736 #define	IN_GLOBAL_LOGO	0x2E	/* all ports logged out */
1737 #define	IN_NO_NEXUS	0x3B	/* Nexus not established */
1738 
1739 /*
1740  * Values for the in_task_flags field- should only get one at a time!
1741  */
1742 #define	TASK_FLAGS_RESERVED_MASK	(0xe700)
1743 #define	TASK_FLAGS_CLEAR_ACA		(1<<14)
1744 #define	TASK_FLAGS_TARGET_RESET		(1<<13)
1745 #define	TASK_FLAGS_LUN_RESET		(1<<12)
1746 #define	TASK_FLAGS_CLEAR_TASK_SET	(1<<10)
1747 #define	TASK_FLAGS_ABORT_TASK_SET	(1<<9)
1748 
1749 /*
1750  * ISP24XX Immediate Notify
1751  */
1752 typedef struct {
1753 	isphdr_t	in_header;
1754 	uint32_t	in_reserved;
1755 	uint16_t	in_nphdl;
1756 	uint16_t	in_reserved1;
1757 	uint16_t	in_flags;
1758 	uint16_t	in_srr_rxid;
1759 	uint16_t	in_status;
1760 	uint8_t		in_status_subcode;
1761 	uint8_t		in_reserved2;
1762 	uint32_t	in_rxid;
1763 	uint16_t	in_srr_reloff_lo;
1764 	uint16_t	in_srr_reloff_hi;
1765 	uint16_t	in_srr_iu;
1766 	uint16_t	in_srr_oxid;
1767 	/*
1768 	 * If bit 2 is set in in_flags, the following
1769 	 * two tags are valid. If the received ELS is
1770 	 * a LOGO, then these tags contain the N Port ID
1771 	 * from the LOGO payload. If the received ELS
1772 	 * request is TPRLO, these tags contain the
1773 	 * Third Party Originator N Port ID.
1774 	 */
1775 	uint16_t	in_nport_id_hi;
1776 	uint8_t		in_nport_id_lo;
1777 	uint8_t		in_reserved3;
1778 	/*
1779 	 * If bit 2 is set in in_flags, the following
1780 	 * tag is valid. If the received ELS is a LOGO,
1781 	 * then this tag contains the n-port handle
1782 	 * from the LOGO payload. If the received ELS
1783 	 * request is TPRLO, this tag contain the
1784 	 * n-port handle for the Third Party Originator.
1785 	 */
1786 	uint16_t	in_np_handle;
1787 	uint8_t		in_reserved4[12];
1788 	uint8_t		in_reserved5;
1789 	uint8_t		in_vpidx;
1790 	uint32_t	in_reserved6;
1791 	uint16_t	in_portid_lo;
1792 	uint8_t		in_portid_hi;
1793 	uint8_t		in_reserved7;
1794 	uint16_t	in_reserved8;
1795 	uint16_t	in_oxid;
1796 } in_fcentry_24xx_t;
1797 
1798 #define	IN24XX_FLAG_PUREX_IOCB		0x1
1799 #define	IN24XX_FLAG_GLOBAL_LOGOUT	0x2
1800 #define	IN24XX_FLAG_NPHDL_VALID		0x4
1801 
1802 #define	IN24XX_LIP_RESET	0x0E
1803 #define	IN24XX_LINK_RESET	0x0F
1804 #define	IN24XX_PORT_LOGOUT	0x29
1805 #define	IN24XX_PORT_CHANGED	0x2A
1806 #define	IN24XX_LINK_FAILED	0x2E
1807 #define	IN24XX_SRR_RCVD		0x45
1808 #define	IN24XX_ELS_RCVD		0x46	/*
1809 					 * login-affectin ELS received- check
1810 					 * subcode for specific opcode
1811 					 */
1812 
1813 /*
1814  * For f/w > 4.0.25, these offsets in the Immediate Notify contain
1815  * the WWNN/WWPN if the ELS is PLOGI, PDISC or ADISC. The WWN is in
1816  * Big Endian format.
1817  */
1818 #define	IN24XX_PLOGI_WWNN_OFF	0x20
1819 #define	IN24XX_PLOGI_WWPN_OFF	0x28
1820 
1821 /*
1822  * For f/w > 4.0.25, this offset in the Immediate Notify contain
1823  * the WWPN if the ELS is LOGO. The WWN is in Big Endian format.
1824  */
1825 #define	IN24XX_LOGO_WWPN_OFF	0x28
1826 
1827 /*
1828  * Immediate Notify Status Subcodes for IN24XX_PORT_LOGOUT
1829  */
1830 #define	IN24XX_PORT_LOGOUT_PDISC_TMO	0x00
1831 #define	IN24XX_PORT_LOGOUT_UXPR_DISC	0x01
1832 #define	IN24XX_PORT_LOGOUT_OWN_OPN	0x02
1833 #define	IN24XX_PORT_LOGOUT_OWN_OPN_SFT	0x03
1834 #define	IN24XX_PORT_LOGOUT_ABTS_TMO	0x04
1835 #define	IN24XX_PORT_LOGOUT_DISC_RJT	0x05
1836 #define	IN24XX_PORT_LOGOUT_LOGIN_NEEDED	0x06
1837 #define	IN24XX_PORT_LOGOUT_BAD_DISC	0x07
1838 #define	IN24XX_PORT_LOGOUT_LOST_ALPA	0x08
1839 #define	IN24XX_PORT_LOGOUT_XMIT_FAILURE	0x09
1840 
1841 /*
1842  * Immediate Notify Status Subcodes for IN24XX_PORT_CHANGED
1843  */
1844 #define	IN24XX_PORT_CHANGED_BADFAN	0x00
1845 #define	IN24XX_PORT_CHANGED_TOPO_CHANGE	0x01
1846 #define	IN24XX_PORT_CHANGED_FLOGI_ACC	0x02
1847 #define	IN24XX_PORT_CHANGED_FLOGI_RJT	0x03
1848 #define	IN24XX_PORT_CHANGED_TIMEOUT	0x04
1849 #define	IN24XX_PORT_CHANGED_PORT_CHANGE	0x05
1850 
1851 /*
1852  * Notify Acknowledge Entry structure
1853  */
1854 #define NA_RSVDLEN	22
1855 typedef struct {
1856 	isphdr_t	na_header;
1857 	uint32_t	na_reserved;
1858 	uint8_t		na_lun;		/* lun */
1859 	uint8_t		na_iid;		/* initiator */
1860 	uint8_t		na_reserved2;
1861 	uint8_t		na_tgt;		/* target */
1862 	uint32_t	na_flags;
1863 	uint8_t		na_status;
1864 	uint8_t		na_event;
1865 	uint16_t	na_seqid;	/* sequence id */
1866 	uint16_t	na_reserved3[NA_RSVDLEN];
1867 } na_entry_t;
1868 
1869 /*
1870  * Value for the na_event field
1871  */
1872 #define NA_RST_CLRD	0x80	/* Clear an async event notification */
1873 #define	NA_OK		0x01	/* Notify Acknowledge Succeeded */
1874 #define	NA_INVALID	0x06	/* Invalid Notify Acknowledge */
1875 
1876 #define	NA2_RSVDLEN	21
1877 typedef struct {
1878 	isphdr_t	na_header;
1879 	uint32_t	na_reserved;
1880 	uint8_t		na_reserved1;
1881 	uint8_t		na_iid;		/* initiator loop id */
1882 	uint16_t	na_response;
1883 	uint16_t	na_flags;
1884 	uint16_t	na_reserved2;
1885 	uint16_t	na_status;
1886 	uint16_t	na_task_flags;
1887 	uint16_t	na_seqid;	/* sequence id */
1888 	uint16_t	na_reserved3[NA2_RSVDLEN];
1889 } na_fcentry_t;
1890 
1891 typedef struct {
1892 	isphdr_t	na_header;
1893 	uint32_t	na_reserved;
1894 	uint16_t	na_iid;		/* initiator loop id */
1895 	uint16_t	na_response;	/* response code */
1896 	uint16_t	na_flags;
1897 	uint16_t	na_reserved2;
1898 	uint16_t	na_status;
1899 	uint16_t	na_task_flags;
1900 	uint16_t	na_seqid;	/* sequence id */
1901 	uint16_t	na_reserved3[NA2_RSVDLEN];
1902 } na_fcentry_e_t;
1903 
1904 #define	NAFC_RCOUNT	0x80	/* increment resource count */
1905 #define NAFC_RST_CLRD	0x20	/* Clear LIP Reset */
1906 #define	NAFC_TVALID	0x10	/* task mangement response code is valid */
1907 
1908 /*
1909  * ISP24XX Notify Acknowledge
1910  */
1911 
1912 typedef struct {
1913 	isphdr_t	na_header;
1914 	uint32_t	na_handle;
1915 	uint16_t	na_nphdl;
1916 	uint16_t	na_reserved1;
1917 	uint16_t	na_flags;
1918 	uint16_t	na_srr_rxid;
1919 	uint16_t	na_status;
1920 	uint8_t		na_status_subcode;
1921 	uint8_t		na_reserved2;
1922 	uint32_t	na_rxid;
1923 	uint16_t	na_srr_reloff_lo;
1924 	uint16_t	na_srr_reloff_hi;
1925 	uint16_t	na_srr_iu;
1926 	uint16_t	na_srr_flags;
1927 	uint8_t		na_reserved3[18];
1928 	uint8_t		na_reserved4;
1929 	uint8_t		na_vpidx;
1930 	uint8_t		na_srr_reject_vunique;
1931 	uint8_t		na_srr_reject_explanation;
1932 	uint8_t		na_srr_reject_code;
1933 	uint8_t		na_reserved5;
1934 	uint8_t		na_reserved6[6];
1935 	uint16_t	na_oxid;
1936 } na_fcentry_24xx_t;
1937 
1938 /*
1939  * Accept Target I/O Entry structure
1940  */
1941 #define ATIO_CDBLEN	26
1942 
1943 typedef struct {
1944 	isphdr_t	at_header;
1945 	uint16_t	at_reserved;
1946 	uint16_t	at_handle;
1947 	uint8_t		at_lun;		/* lun */
1948 	uint8_t		at_iid;		/* initiator */
1949 	uint8_t		at_cdblen; 	/* cdb length */
1950 	uint8_t		at_tgt;		/* target */
1951 	uint32_t	at_flags;
1952 	uint8_t		at_status;	/* firmware status */
1953 	uint8_t		at_scsi_status;	/* scsi status */
1954 	uint8_t		at_tag_val;	/* tag value */
1955 	uint8_t		at_tag_type;	/* tag type */
1956 	uint8_t		at_cdb[ATIO_CDBLEN];	/* received CDB */
1957 	uint8_t		at_sense[QLTM_SENSELEN];/* suggested sense data */
1958 } at_entry_t;
1959 
1960 /*
1961  * at_flags values
1962  */
1963 #define AT_NODISC	0x00008000	/* disconnect disabled */
1964 #define AT_TQAE		0x00000002	/* Tagged Queue Action enabled */
1965 
1966 /*
1967  * at_status values
1968  */
1969 #define AT_PATH_INVALID	0x07	/* ATIO sent to firmware for disabled lun */
1970 #define	AT_RESET	0x0E	/* SCSI Bus Reset Occurred */
1971 #define AT_PHASE_ERROR	0x14	/* Bus phase sequence error */
1972 #define AT_NOCAP	0x16	/* Requested capability not available */
1973 #define AT_BDR_MSG	0x17	/* Bus Device Reset msg received */
1974 #define AT_CDB		0x3D	/* CDB received */
1975 /*
1976  * Macros to create and fetch and test concatenated handle and tag value macros
1977  * (SPI only)
1978  */
1979 #define	AT_MAKE_TAGID(tid, aep)						\
1980 	tid = aep->at_handle;						\
1981 	if (aep->at_flags & AT_TQAE) {					\
1982 		tid |= (aep->at_tag_val << 16);				\
1983 		tid |= (1 << 24);					\
1984 	}
1985 
1986 #define	CT_MAKE_TAGID(tid, ct)						\
1987 	tid = ct->ct_fwhandle;						\
1988 	if (ct->ct_flags & CT_TQAE) {					\
1989 		tid |= (ct->ct_tag_val << 16);				\
1990 		tid |= (1 << 24);					\
1991 	}
1992 
1993 #define	AT_HAS_TAG(val)		((val) & (1 << 24))
1994 #define	AT_GET_TAG(val)		(((val) >> 16) & 0xff)
1995 #define	AT_GET_HANDLE(val)	((val) & 0xffff)
1996 
1997 #define	IN_MAKE_TAGID(tid, inp)						\
1998 	tid = inp->in_seqid;						\
1999 	tid |= (inp->in_tag_val << 16);					\
2000 	tid |= (1 << 24)
2001 
2002 /*
2003  * Accept Target I/O Entry structure, Type 2
2004  */
2005 #define ATIO2_CDBLEN	16
2006 
2007 typedef struct {
2008 	isphdr_t	at_header;
2009 	uint32_t	at_reserved;
2010 	uint8_t		at_lun;		/* lun or reserved */
2011 	uint8_t		at_iid;		/* initiator */
2012 	uint16_t	at_rxid; 	/* response ID */
2013 	uint16_t	at_flags;
2014 	uint16_t	at_status;	/* firmware status */
2015 	uint8_t		at_crn;		/* command reference number */
2016 	uint8_t		at_taskcodes;
2017 	uint8_t		at_taskflags;
2018 	uint8_t		at_execodes;
2019 	uint8_t		at_cdb[ATIO2_CDBLEN];	/* received CDB */
2020 	uint32_t	at_datalen;		/* allocated data len */
2021 	uint16_t	at_scclun;		/* SCC Lun or reserved */
2022 	uint16_t	at_wwpn[4];		/* WWPN of initiator */
2023 	uint16_t	at_reserved2[6];
2024 	uint16_t	at_oxid;
2025 } at2_entry_t;
2026 
2027 typedef struct {
2028 	isphdr_t	at_header;
2029 	uint32_t	at_reserved;
2030 	uint16_t	at_iid;		/* initiator */
2031 	uint16_t	at_rxid; 	/* response ID */
2032 	uint16_t	at_flags;
2033 	uint16_t	at_status;	/* firmware status */
2034 	uint8_t		at_crn;		/* command reference number */
2035 	uint8_t		at_taskcodes;
2036 	uint8_t		at_taskflags;
2037 	uint8_t		at_execodes;
2038 	uint8_t		at_cdb[ATIO2_CDBLEN];	/* received CDB */
2039 	uint32_t	at_datalen;		/* allocated data len */
2040 	uint16_t	at_scclun;		/* SCC Lun or reserved */
2041 	uint16_t	at_wwpn[4];		/* WWPN of initiator */
2042 	uint16_t	at_reserved2[6];
2043 	uint16_t	at_oxid;
2044 } at2e_entry_t;
2045 
2046 #define	ATIO2_WWPN_OFFSET	0x2A
2047 #define	ATIO2_OXID_OFFSET	0x3E
2048 
2049 #define	ATIO2_TC_ATTR_MASK	0x7
2050 #define	ATIO2_TC_ATTR_SIMPLEQ	0
2051 #define	ATIO2_TC_ATTR_HEADOFQ	1
2052 #define	ATIO2_TC_ATTR_ORDERED	2
2053 #define	ATIO2_TC_ATTR_ACAQ	4
2054 #define	ATIO2_TC_ATTR_UNTAGGED	5
2055 
2056 #define	ATIO2_EX_WRITE		0x1
2057 #define	ATIO2_EX_READ		0x2
2058 /*
2059  * Macros to create and fetch and test concatenated handle and tag value macros
2060  */
2061 #define	AT2_MAKE_TAGID(tid, bus, inst, aep)				\
2062 	tid = aep->at_rxid;						\
2063 	tid |= (((uint64_t)inst) << 32);				\
2064 	tid |= (((uint64_t)bus) << 48)
2065 
2066 #define	CT2_MAKE_TAGID(tid, bus, inst, ct)				\
2067 	tid = ct->ct_rxid;						\
2068 	tid |= (((uint64_t)inst) << 32);				\
2069 	tid |= (((uint64_t)(bus & 0xff)) << 48)
2070 
2071 #define	AT2_HAS_TAG(val)	1
2072 #define	AT2_GET_TAG(val)	((val) & 0xffffffff)
2073 #define	AT2_GET_INST(val)	(((val) >> 32) & 0xffff)
2074 #define	AT2_GET_HANDLE		AT2_GET_TAG
2075 #define	AT2_GET_BUS(val)	(((val) >> 48) & 0xff)
2076 
2077 #define	FC_HAS_TAG	AT2_HAS_TAG
2078 #define	FC_GET_TAG	AT2_GET_TAG
2079 #define	FC_GET_INST	AT2_GET_INST
2080 #define	FC_GET_HANDLE	AT2_GET_HANDLE
2081 
2082 #define	IN_FC_MAKE_TAGID(tid, bus, inst, seqid)				\
2083 	tid = seqid;							\
2084 	tid |= (((uint64_t)inst) << 32);				\
2085 	tid |= (((uint64_t)(bus & 0xff)) << 48)
2086 
2087 #define	FC_TAG_INSERT_INST(tid, inst)					\
2088 	tid &= ~0x0000ffff00000000ull;					\
2089 	tid |= (((uint64_t)inst) << 32)
2090 
2091 /*
2092  * 24XX ATIO Definition
2093  *
2094  * This is *quite* different from other entry types.
2095  * First of all, it has its own queue it comes in on.
2096  *
2097  * Secondly, it doesn't have a normal header.
2098  *
2099  * Thirdly, it's just a passthru of the FCP CMND IU
2100  * which is recorded in big endian mode.
2101  */
2102 typedef struct {
2103 	uint8_t		at_type;
2104 	uint8_t		at_count;
2105 	/*
2106 	 * Task attribute in high four bits,
2107 	 * the rest is the FCP CMND IU Length.
2108 	 * NB: the command can extend past the
2109 	 * length for a single queue entry.
2110 	 */
2111 	uint16_t	at_ta_len;
2112 	uint32_t	at_rxid;
2113 	fc_hdr_t	at_hdr;
2114 	fcp_cmnd_iu_t	at_cmnd;
2115 } at7_entry_t;
2116 #define	AT7_NORESRC_RXID	0xffffffff
2117 
2118 
2119 /*
2120  * Continue Target I/O Entry structure
2121  * Request from driver. The response from the
2122  * ISP firmware is the same except that the last 18
2123  * bytes are overwritten by suggested sense data if
2124  * the 'autosense valid' bit is set in the status byte.
2125  */
2126 typedef struct {
2127 	isphdr_t	ct_header;
2128 	uint16_t	ct_syshandle;
2129 	uint16_t	ct_fwhandle;	/* required by f/w */
2130 	uint8_t		ct_lun;	/* lun */
2131 	uint8_t		ct_iid;	/* initiator id */
2132 	uint8_t		ct_reserved2;
2133 	uint8_t		ct_tgt;	/* our target id */
2134 	uint32_t	ct_flags;
2135 	uint8_t 	ct_status;	/* isp status */
2136 	uint8_t 	ct_scsi_status;	/* scsi status */
2137 	uint8_t 	ct_tag_val;	/* tag value */
2138 	uint8_t 	ct_tag_type;	/* tag type */
2139 	uint32_t	ct_xfrlen;	/* transfer length */
2140 	int32_t		ct_resid;	/* residual length */
2141 	uint16_t	ct_timeout;
2142 	uint16_t	ct_seg_count;
2143 	ispds_t		ct_dataseg[ISP_RQDSEG];
2144 } ct_entry_t;
2145 
2146 /*
2147  * For some of the dual port SCSI adapters, port (bus #) is reported
2148  * in the MSbit of ct_iid. Bit fields are a bit too awkward here.
2149  *
2150  * Note that this does not apply to FC adapters at all which can and
2151  * do report IIDs between 0x81 && 0xfe (or 0x7ff) which represent devices
2152  * that have logged in across a SCSI fabric.
2153  */
2154 #define	GET_IID_VAL(x)		(x & 0x3f)
2155 #define	GET_BUS_VAL(x)		((x >> 7) & 0x1)
2156 #define	SET_IID_VAL(y, x)	y = ((y & ~0x3f) | (x & 0x3f))
2157 #define	SET_BUS_VAL(y, x)	y = ((y & 0x3f) | ((x & 0x1) << 7))
2158 
2159 /*
2160  * ct_flags values
2161  */
2162 #define CT_TQAE		0x00000002	/* bit  1, Tagged Queue Action enable */
2163 #define CT_DATA_IN	0x00000040	/* bits 6&7, Data direction */
2164 #define CT_DATA_OUT	0x00000080	/* bits 6&7, Data direction */
2165 #define CT_NO_DATA	0x000000C0	/* bits 6&7, Data direction */
2166 #define	CT_CCINCR	0x00000100	/* bit 8, autoincrement atio count */
2167 #define CT_DATAMASK	0x000000C0	/* bits 6&7, Data direction */
2168 #define	CT_INISYNCWIDE	0x00004000	/* bit 14, Do Sync/Wide Negotiation */
2169 #define CT_NODISC	0x00008000	/* bit 15, Disconnects disabled */
2170 #define CT_DSDP		0x01000000	/* bit 24, Disable Save Data Pointers */
2171 #define CT_SENDRDP	0x04000000	/* bit 26, Send Restore Pointers msg */
2172 #define CT_SENDSTATUS	0x80000000	/* bit 31, Send SCSI status byte */
2173 
2174 /*
2175  * ct_status values
2176  * - set by the firmware when it returns the CTIO
2177  */
2178 #define CT_OK		0x01	/* completed without error */
2179 #define CT_ABORTED	0x02	/* aborted by host */
2180 #define CT_ERR		0x04	/* see sense data for error */
2181 #define CT_INVAL	0x06	/* request for disabled lun */
2182 #define CT_NOPATH	0x07	/* invalid ITL nexus */
2183 #define	CT_INVRXID	0x08	/* (FC only) Invalid RX_ID */
2184 #define	CT_DATA_OVER	0x09	/* (FC only) Data Overrun */
2185 #define CT_RSELTMO	0x0A	/* reselection timeout after 2 tries */
2186 #define CT_TIMEOUT	0x0B	/* timed out */
2187 #define CT_RESET	0x0E	/* SCSI Bus Reset occurred */
2188 #define	CT_PARITY	0x0F	/* Uncorrectable Parity Error */
2189 #define	CT_BUS_ERROR	0x10	/* (FC Only) DMA PCI Error */
2190 #define	CT_PANIC	0x13	/* Unrecoverable Error */
2191 #define CT_PHASE_ERROR	0x14	/* Bus phase sequence error */
2192 #define	CT_DATA_UNDER	0x15	/* (FC only) Data Underrun */
2193 #define CT_BDR_MSG	0x17	/* Bus Device Reset msg received */
2194 #define CT_TERMINATED	0x19	/* due to Terminate Transfer mbox cmd */
2195 #define	CT_PORTUNAVAIL	0x28	/* port not available */
2196 #define	CT_LOGOUT	0x29	/* port logout */
2197 #define	CT_PORTCHANGED	0x2A	/* port changed */
2198 #define	CT_IDE		0x33	/* Initiator Detected Error */
2199 #define CT_NOACK	0x35	/* Outstanding Immed. Notify. entry */
2200 #define	CT_SRR		0x45	/* SRR Received */
2201 #define	CT_LUN_RESET	0x48	/* Lun Reset Received */
2202 
2203 #define	CT_HBA_RESET	0xffff	/* pseudo error - command destroyed by HBA reset*/
2204 
2205 /*
2206  * When the firmware returns a CTIO entry, it may overwrite the last
2207  * part of the structure with sense data. This starts at offset 0x2E
2208  * into the entry, which is in the middle of ct_dataseg[1]. Rather
2209  * than define a new struct for this, I'm just using the sense data
2210  * offset.
2211  */
2212 #define CTIO_SENSE_OFFSET	0x2E
2213 
2214 /*
2215  * Entry length in u_longs. All entries are the same size so
2216  * any one will do as the numerator.
2217  */
2218 #define UINT32_ENTRY_SIZE	(sizeof(at_entry_t)/sizeof(uint32_t))
2219 
2220 /*
2221  * QLA2100 CTIO (type 2) entry
2222  */
2223 #define	MAXRESPLEN	26
2224 typedef struct {
2225 	isphdr_t	ct_header;
2226 	uint32_t	ct_syshandle;
2227 	uint8_t		ct_lun;		/* lun */
2228 	uint8_t		ct_iid;		/* initiator id */
2229 	uint16_t	ct_rxid;	/* response ID */
2230 	uint16_t	ct_flags;
2231 	uint16_t 	ct_status;	/* isp status */
2232 	uint16_t	ct_timeout;
2233 	uint16_t	ct_seg_count;
2234 	uint32_t	ct_reloff;	/* relative offset */
2235 	int32_t		ct_resid;	/* residual length */
2236 	union {
2237 		/*
2238 		 * The three different modes that the target driver
2239 		 * can set the CTIO{2,3,4} up as.
2240 		 *
2241 		 * The first is for sending FCP_DATA_IUs as well as
2242 		 * (optionally) sending a terminal SCSI status FCP_RSP_IU.
2243 		 *
2244 		 * The second is for sending SCSI sense data in an FCP_RSP_IU.
2245 		 * Note that no FCP_DATA_IUs will be sent.
2246 		 *
2247 		 * The third is for sending FCP_RSP_IUs as built specifically
2248 		 * in system memory as located by the isp_dataseg.
2249 		 */
2250 		struct {
2251 			uint32_t _reserved;
2252 			uint16_t _reserved2;
2253 			uint16_t ct_scsi_status;
2254 			uint32_t ct_xfrlen;
2255 			union {
2256 				ispds_t ct_dataseg[ISP_RQDSEG_T2];
2257 				ispds64_t ct_dataseg64[ISP_RQDSEG_T3];
2258 				ispdslist_t ct_dslist;
2259 			} u;
2260 		} m0;
2261 		struct {
2262 			uint16_t _reserved;
2263 			uint16_t _reserved2;
2264 			uint16_t ct_senselen;
2265 			uint16_t ct_scsi_status;
2266 			uint16_t ct_resplen;
2267 			uint8_t  ct_resp[MAXRESPLEN];
2268 		} m1;
2269 		struct {
2270 			uint32_t _reserved;
2271 			uint16_t _reserved2;
2272 			uint16_t _reserved3;
2273 			uint32_t ct_datalen;
2274 			ispds_t ct_fcp_rsp_iudata;
2275 		} m2;
2276 	} rsp;
2277 } ct2_entry_t;
2278 
2279 typedef struct {
2280 	isphdr_t	ct_header;
2281 	uint32_t	ct_syshandle;
2282 	uint16_t	ct_iid;		/* initiator id */
2283 	uint16_t	ct_rxid;	/* response ID */
2284 	uint16_t	ct_flags;
2285 	uint16_t 	ct_status;	/* isp status */
2286 	uint16_t	ct_timeout;
2287 	uint16_t	ct_seg_count;
2288 	uint32_t	ct_reloff;	/* relative offset */
2289 	int32_t		ct_resid;	/* residual length */
2290 	union {
2291 		struct {
2292 			uint32_t _reserved;
2293 			uint16_t _reserved2;
2294 			uint16_t ct_scsi_status;
2295 			uint32_t ct_xfrlen;
2296 			union {
2297 				ispds_t ct_dataseg[ISP_RQDSEG_T2];
2298 				ispds64_t ct_dataseg64[ISP_RQDSEG_T3];
2299 				ispdslist_t ct_dslist;
2300 			} u;
2301 		} m0;
2302 		struct {
2303 			uint16_t _reserved;
2304 			uint16_t _reserved2;
2305 			uint16_t ct_senselen;
2306 			uint16_t ct_scsi_status;
2307 			uint16_t ct_resplen;
2308 			uint8_t  ct_resp[MAXRESPLEN];
2309 		} m1;
2310 		struct {
2311 			uint32_t _reserved;
2312 			uint16_t _reserved2;
2313 			uint16_t _reserved3;
2314 			uint32_t ct_datalen;
2315 			ispds_t ct_fcp_rsp_iudata;
2316 		} m2;
2317 	} rsp;
2318 } ct2e_entry_t;
2319 
2320 /*
2321  * ct_flags values for CTIO2
2322  */
2323 #define	CT2_FLAG_MODE0	0x0000
2324 #define	CT2_FLAG_MODE1	0x0001
2325 #define	CT2_FLAG_MODE2	0x0002
2326 #define		CT2_FLAG_MMASK	0x0003
2327 #define CT2_DATA_IN	0x0040
2328 #define CT2_DATA_OUT	0x0080
2329 #define CT2_NO_DATA	0x00C0
2330 #define 	CT2_DATAMASK	0x00C0
2331 #define	CT2_CCINCR	0x0100
2332 #define	CT2_FASTPOST	0x0200
2333 #define	CT2_CONFIRM	0x2000
2334 #define	CT2_TERMINATE	0x4000
2335 #define CT2_SENDSTATUS	0x8000
2336 
2337 /*
2338  * ct_status values are (mostly) the same as that for ct_entry.
2339  */
2340 
2341 /*
2342  * ct_scsi_status values- the low 8 bits are the normal SCSI status
2343  * we know and love. The upper 8 bits are validity markers for FCP_RSP_IU
2344  * fields.
2345  */
2346 #define	CT2_RSPLEN_VALID	0x0100
2347 #define	CT2_SNSLEN_VALID	0x0200
2348 #define	CT2_DATA_OVER		0x0400
2349 #define	CT2_DATA_UNDER		0x0800
2350 
2351 /*
2352  * ISP24XX CTIO
2353  */
2354 #define	MAXRESPLEN_24XX	24
2355 typedef struct {
2356 	isphdr_t	ct_header;
2357 	uint32_t	ct_syshandle;
2358 	uint16_t	ct_nphdl;	/* status on returned CTIOs */
2359 	uint16_t	ct_timeout;
2360 	uint16_t	ct_seg_count;
2361 	uint8_t		ct_vpidx;
2362 	uint8_t		ct_xflags;
2363 	uint16_t	ct_iid_lo;	/* low 16 bits of portid */
2364 	uint8_t		ct_iid_hi;	/* hi 8 bits of portid */
2365 	uint8_t		ct_reserved;
2366 	uint32_t	ct_rxid;
2367 	uint16_t	ct_senselen;	/* mode 1 only */
2368 	uint16_t	ct_flags;
2369 	int32_t		ct_resid;	/* residual length */
2370 	uint16_t	ct_oxid;
2371 	uint16_t	ct_scsi_status;	/* modes 0 && 1 only */
2372 	union {
2373 		struct {
2374 			uint32_t	reloff;
2375 			uint32_t	reserved0;
2376 			uint32_t	ct_xfrlen;
2377 			uint32_t	reserved1;
2378 			ispds64_t	ds;
2379 		} m0;
2380 		struct {
2381 			uint16_t ct_resplen;
2382 			uint16_t reserved;
2383 			uint8_t  ct_resp[MAXRESPLEN_24XX];
2384 		} m1;
2385 		struct {
2386 			uint32_t reserved0;
2387 			uint32_t ct_datalen;
2388 			uint32_t reserved1;
2389 			ispds64_t ct_fcp_rsp_iudata;
2390 		} m2;
2391 	} rsp;
2392 } ct7_entry_t;
2393 
2394 /*
2395  * ct_flags values for CTIO7
2396  */
2397 #define CT7_DATA_IN	0x0002
2398 #define CT7_DATA_OUT	0x0001
2399 #define CT7_NO_DATA	0x0000
2400 #define 	CT7_DATAMASK	0x003
2401 #define	CT7_DSD_ENABLE	0x0004
2402 #define	CT7_CONF_STSFD	0x0010
2403 #define	CT7_EXPLCT_CONF	0x0020
2404 #define	CT7_FLAG_MODE0	0x0000
2405 #define	CT7_FLAG_MODE1	0x0040
2406 #define	CT7_FLAG_MODE2	0x0080
2407 #define		CT7_FLAG_MMASK	0x00C0
2408 #define	CT7_NOACK	0x0100
2409 #define	CT7_TASK_ATTR_SHIFT	9
2410 #define	CT7_CONFIRM	0x2000
2411 #define	CT7_TERMINATE	0x4000
2412 #define CT7_SENDSTATUS	0x8000
2413 
2414 /*
2415  * Type 7 CTIO status codes
2416  */
2417 #define CT7_OK		0x01	/* completed without error */
2418 #define CT7_ABORTED	0x02	/* aborted by host */
2419 #define CT7_ERR		0x04	/* see sense data for error */
2420 #define CT7_INVAL	0x06	/* request for disabled lun */
2421 #define	CT7_INVRXID	0x08	/* Invalid RX_ID */
2422 #define	CT7_DATA_OVER	0x09	/* Data Overrun */
2423 #define CT7_TIMEOUT	0x0B	/* timed out */
2424 #define CT7_RESET	0x0E	/* LIP Rset Received */
2425 #define	CT7_BUS_ERROR	0x10	/* DMA PCI Error */
2426 #define	CT7_REASSY_ERR	0x11	/* DMA reassembly error */
2427 #define	CT7_DATA_UNDER	0x15	/* Data Underrun */
2428 #define	CT7_PORTUNAVAIL	0x28	/* port not available */
2429 #define	CT7_LOGOUT	0x29	/* port logout */
2430 #define	CT7_PORTCHANGED	0x2A	/* port changed */
2431 #define	CT7_SRR		0x45	/* SRR Received */
2432 
2433 /*
2434  * Other 24XX related target IOCBs
2435  */
2436 
2437 /*
2438  * ABTS Received
2439  */
2440 typedef struct {
2441 	isphdr_t	abts_header;
2442 	uint8_t		abts_reserved0[6];
2443 	uint16_t	abts_nphdl;
2444 	uint16_t	abts_reserved1;
2445 	uint16_t	abts_sof;
2446 	uint32_t	abts_rxid_abts;
2447 	uint16_t	abts_did_lo;
2448 	uint8_t		abts_did_hi;
2449 	uint8_t		abts_r_ctl;
2450 	uint16_t	abts_sid_lo;
2451 	uint8_t		abts_sid_hi;
2452 	uint8_t		abts_cs_ctl;
2453 	uint16_t	abts_fs_ctl;
2454 	uint8_t		abts_f_ctl;
2455 	uint8_t		abts_type;
2456 	uint16_t	abts_seq_cnt;
2457 	uint8_t		abts_df_ctl;
2458 	uint8_t		abts_seq_id;
2459 	uint16_t	abts_rx_id;
2460 	uint16_t	abts_ox_id;
2461 	uint32_t	abts_param;
2462 	uint8_t		abts_reserved2[16];
2463 	uint32_t	abts_rxid_task;
2464 } abts_t;
2465 
2466 typedef struct {
2467 	isphdr_t	abts_rsp_header;
2468 	uint32_t	abts_rsp_handle;
2469 	uint16_t	abts_rsp_status;
2470 	uint16_t	abts_rsp_nphdl;
2471 	uint16_t	abts_rsp_ctl_flags;
2472 	uint16_t	abts_rsp_sof;
2473 	uint32_t	abts_rsp_rxid_abts;
2474 	uint16_t	abts_rsp_did_lo;
2475 	uint8_t		abts_rsp_did_hi;
2476 	uint8_t		abts_rsp_r_ctl;
2477 	uint16_t	abts_rsp_sid_lo;
2478 	uint8_t		abts_rsp_sid_hi;
2479 	uint8_t		abts_rsp_cs_ctl;
2480 	uint16_t	abts_rsp_f_ctl_lo;
2481 	uint8_t		abts_rsp_f_ctl_hi;
2482 	uint8_t		abts_rsp_type;
2483 	uint16_t	abts_rsp_seq_cnt;
2484 	uint8_t		abts_rsp_df_ctl;
2485 	uint8_t		abts_rsp_seq_id;
2486 	uint16_t	abts_rsp_rx_id;
2487 	uint16_t	abts_rsp_ox_id;
2488 	uint32_t	abts_rsp_param;
2489 	union {
2490 		struct {
2491 			uint16_t reserved;
2492 			uint8_t	last_seq_id;
2493 			uint8_t seq_id_valid;
2494 			uint16_t aborted_rx_id;
2495 			uint16_t aborted_ox_id;
2496 			uint16_t high_seq_cnt;
2497 			uint16_t low_seq_cnt;
2498 			uint8_t reserved2[4];
2499 		} ba_acc;
2500 		struct {
2501 			uint8_t vendor_unique;
2502 			uint8_t	explanation;
2503 			uint8_t reason;
2504 			uint8_t reserved;
2505 			uint8_t reserved2[12];
2506 		} ba_rjt;
2507 		struct {
2508 			uint8_t reserved[8];
2509 			uint32_t subcode1;
2510 			uint32_t subcode2;
2511 		} rsp;
2512 		uint8_t reserved[16];
2513 	} abts_rsp_payload;
2514 	uint32_t	abts_rsp_rxid_task;
2515 } abts_rsp_t;
2516 
2517 /* terminate this ABTS exchange */
2518 #define	ISP24XX_ABTS_RSP_TERMINATE	0x01
2519 
2520 #define	ISP24XX_ABTS_RSP_COMPLETE	0x00
2521 #define	ISP24XX_ABTS_RSP_RESET		0x04
2522 #define	ISP24XX_ABTS_RSP_ABORTED	0x05
2523 #define	ISP24XX_ABTS_RSP_TIMEOUT	0x06
2524 #define	ISP24XX_ABTS_RSP_INVXID		0x08
2525 #define	ISP24XX_ABTS_RSP_LOGOUT		0x29
2526 #define	ISP24XX_ABTS_RSP_SUBCODE	0x31
2527 
2528 #define	ISP24XX_NO_TASK			0xffffffff
2529 
2530 /*
2531  * Miscellaneous
2532  *
2533  * These are the limits of the number of dma segments we
2534  * can deal with based not on the size of the segment counter
2535  * (which is 16 bits), but on the size of the number of
2536  * queue entries field (which is 8 bits). We assume no
2537  * segments in the first queue entry, so we can either
2538  * have 7 dma segments per continuation entry or 5
2539  * (for 64 bit dma).. multiplying out by 254....
2540  */
2541 #define	ISP_NSEG_MAX	1778
2542 #define	ISP_NSEG64_MAX	1270
2543 
2544 #endif	/* _ISPMBOX_H */
2545