xref: /netbsd-src/sys/dev/ic/isp_target.h (revision 0dd5877adce57db949b16ae963e5a6831cccdfb6)
1 /* $NetBSD: isp_target.h,v 1.16 2001/12/14 00:13:46 mjacob Exp $ */
2 /*
3  * This driver, which is contained in NetBSD in the files:
4  *
5  *	sys/dev/ic/isp.c
6  *	sys/dev/ic/isp_inline.h
7  *	sys/dev/ic/isp_netbsd.c
8  *	sys/dev/ic/isp_netbsd.h
9  *	sys/dev/ic/isp_target.c
10  *	sys/dev/ic/isp_target.h
11  *	sys/dev/ic/isp_tpublic.h
12  *	sys/dev/ic/ispmbox.h
13  *	sys/dev/ic/ispreg.h
14  *	sys/dev/ic/ispvar.h
15  *	sys/microcode/isp/asm_sbus.h
16  *	sys/microcode/isp/asm_1040.h
17  *	sys/microcode/isp/asm_1080.h
18  *	sys/microcode/isp/asm_12160.h
19  *	sys/microcode/isp/asm_2100.h
20  *	sys/microcode/isp/asm_2200.h
21  *	sys/pci/isp_pci.c
22  *	sys/sbus/isp_sbus.c
23  *
24  * Is being actively maintained by Matthew Jacob (mjacob@netbsd.org).
25  * This driver also is shared source with FreeBSD, OpenBSD, Linux, Solaris,
26  * Linux versions. This tends to be an interesting maintenance problem.
27  *
28  * Please coordinate with Matthew Jacob on changes you wish to make here.
29  */
30 /*
31  * Qlogic Target Mode Structure and Flag Definitions
32  *
33  * Copyright (c) 1997, 1998
34  * Patrick Stirling
35  * pms@psconsult.com
36  * All rights reserved.
37  *
38  * Additional Copyright (c) 1999, 2000, 2001
39  * Matthew Jacob
40  * mjacob@feral.com
41  * All rights reserved.
42  *
43  *
44  * Redistribution and use in source and binary forms, with or without
45  * modification, are permitted provided that the following conditions
46  * are met:
47  * 1. Redistributions of source code must retain the above copyright
48  *    notice immediately at the beginning of the file, without modification,
49  *    this list of conditions, and the following disclaimer.
50  * 2. The name of the author may not be used to endorse or promote products
51  *    derived from this software without specific prior written permission.
52  *
53  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
54  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
55  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
56  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
57  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
58  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
59  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
60  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
61  * SUCH DAMAGE.
62  *
63  */
64 #ifndef	_ISP_TARGET_H
65 #define	_ISP_TARGET_H
66 
67 /*
68  * Defines for all entry types
69  */
70 #define QLTM_SVALID	0x80
71 #define	QLTM_SENSELEN	18
72 
73 /*
74  * Structure for Enable Lun and Modify Lun queue entries
75  */
76 typedef struct {
77 	isphdr_t	le_header;
78 	u_int32_t	le_reserved;
79 	u_int8_t	le_lun;
80 	u_int8_t	le_rsvd;
81 	u_int8_t	le_ops;		/* Modify LUN only */
82 	u_int8_t	le_tgt;		/* Not for FC */
83 	u_int32_t	le_flags;	/* Not for FC */
84 	u_int8_t	le_status;
85 	u_int8_t	le_reserved2;
86 	u_int8_t	le_cmd_count;
87 	u_int8_t	le_in_count;
88 	u_int8_t	le_cdb6len;	/* Not for FC */
89 	u_int8_t	le_cdb7len;	/* Not for FC */
90 	u_int16_t	le_timeout;
91 	u_int16_t	le_reserved3[20];
92 } lun_entry_t;
93 
94 /*
95  * le_flags values
96  */
97 #define LUN_TQAE	0x00000002	/* bit1  Tagged Queue Action Enable */
98 #define LUN_DSSM	0x01000000	/* bit24 Disable Sending SDP Message */
99 #define	LUN_DISAD	0x02000000	/* bit25 Disable autodisconnect */
100 #define LUN_DM		0x40000000	/* bit30 Disconnects Mandatory */
101 
102 /*
103  * le_ops values
104  */
105 #define LUN_CCINCR	0x01	/* increment command count */
106 #define LUN_CCDECR	0x02	/* decrement command count */
107 #define LUN_ININCR	0x40	/* increment immed. notify count */
108 #define LUN_INDECR	0x80	/* decrement immed. notify count */
109 
110 /*
111  * le_status values
112  */
113 #define	LUN_OK		0x01	/* we be rockin' */
114 #define LUN_ERR		0x04	/* request completed with error */
115 #define LUN_INVAL	0x06	/* invalid request */
116 #define LUN_NOCAP	0x16	/* can't provide requested capability */
117 #define LUN_ENABLED	0x3E	/* LUN already enabled */
118 
119 /*
120  * Immediate Notify Entry structure
121  */
122 #define IN_MSGLEN	8	/* 8 bytes */
123 #define IN_RSVDLEN	8	/* 8 words */
124 typedef struct {
125 	isphdr_t	in_header;
126 	u_int32_t	in_reserved;
127 	u_int8_t	in_lun;		/* lun */
128 	u_int8_t	in_iid;		/* initiator */
129 	u_int8_t	in_reserved2;
130 	u_int8_t	in_tgt;		/* target */
131 	u_int32_t	in_flags;
132 	u_int8_t	in_status;
133 	u_int8_t	in_rsvd2;
134 	u_int8_t	in_tag_val;	/* tag value */
135 	u_int8_t	in_tag_type;	/* tag type */
136 	u_int16_t	in_seqid;	/* sequence id */
137 	u_int8_t	in_msg[IN_MSGLEN];	/* SCSI message bytes */
138 	u_int16_t	in_reserved3[IN_RSVDLEN];
139 	u_int8_t	in_sense[QLTM_SENSELEN];/* suggested sense data */
140 } in_entry_t;
141 
142 typedef struct {
143 	isphdr_t	in_header;
144 	u_int32_t	in_reserved;
145 	u_int8_t	in_lun;		/* lun */
146 	u_int8_t	in_iid;		/* initiator */
147 	u_int16_t	in_scclun;
148 	u_int32_t	in_reserved2;
149 	u_int16_t	in_status;
150 	u_int16_t	in_task_flags;
151 	u_int16_t	in_seqid;	/* sequence id */
152 } in_fcentry_t;
153 
154 /*
155  * Values for the in_status field
156  */
157 #define	IN_REJECT	0x0D	/* Message Reject message received */
158 #define IN_RESET	0x0E	/* Bus Reset occurred */
159 #define IN_NO_RCAP	0x16	/* requested capability not available */
160 #define IN_IDE_RECEIVED	0x33	/* Initiator Detected Error msg received */
161 #define IN_RSRC_UNAVAIL	0x34	/* resource unavailable */
162 #define IN_MSG_RECEIVED	0x36	/* SCSI message received */
163 #define	IN_ABORT_TASK	0x20	/* task named in RX_ID is being aborted (FC) */
164 #define	IN_PORT_LOGOUT	0x29	/* port has logged out (FC) */
165 #define	IN_PORT_CHANGED	0x2A	/* port changed */
166 #define	IN_GLOBAL_LOGO	0x2E	/* all ports logged out */
167 #define	IN_NO_NEXUS	0x3B	/* Nexus not established */
168 
169 /*
170  * Values for the in_task_flags field- should only get one at a time!
171  */
172 #define	TASK_FLAGS_ABORT_TASK		(1<<9)
173 #define	TASK_FLAGS_CLEAR_TASK_SET	(1<<10)
174 #define	TASK_FLAGS_TARGET_RESET		(1<<13)
175 #define	TASK_FLAGS_CLEAR_ACA		(1<<14)
176 #define	TASK_FLAGS_TERMINATE_TASK	(1<<15)
177 
178 #ifndef	MSG_ABORT_TAG
179 #define	MSG_ABORT_TAG		0x06
180 #endif
181 #ifndef	MSG_CLEAR_QUEUE
182 #define	MSG_CLEAR_QUEUE		0x0e
183 #endif
184 #ifndef	MSG_BUS_DEV_RESET
185 #define	MSG_BUS_DEV_RESET	0x0b
186 #endif
187 #ifndef	MSG_REL_RECOVERY
188 #define	MSG_REL_RECOVERY	0x10
189 #endif
190 #ifndef	MSG_TERM_IO_PROC
191 #define	MSG_TERM_IO_PROC	0x11
192 #endif
193 
194 
195 /*
196  * Notify Acknowledge Entry structure
197  */
198 #define NA_RSVDLEN	22
199 typedef struct {
200 	isphdr_t	na_header;
201 	u_int32_t	na_reserved;
202 	u_int8_t	na_lun;		/* lun */
203 	u_int8_t	na_iid;		/* initiator */
204 	u_int8_t	na_reserved2;
205 	u_int8_t	na_tgt;		/* target */
206 	u_int32_t	na_flags;
207 	u_int8_t	na_status;
208 	u_int8_t	na_event;
209 	u_int16_t	na_seqid;	/* sequence id */
210 	u_int16_t	na_reserved3[NA_RSVDLEN];
211 } na_entry_t;
212 
213 /*
214  * Value for the na_event field
215  */
216 #define NA_RST_CLRD	0x80	/* Clear an async event notification */
217 #define	NA_OK		0x01	/* Notify Acknowledge Succeeded */
218 #define	NA_INVALID	0x06	/* Invalid Notify Acknowledge */
219 
220 #define	NA2_RSVDLEN	21
221 typedef struct {
222 	isphdr_t	na_header;
223 	u_int32_t	na_reserved;
224 	u_int8_t	na_lun;		/* lun */
225 	u_int8_t	na_iid;		/* initiator */
226 	u_int16_t	na_scclun;
227 	u_int16_t	na_flags;
228 	u_int16_t	na_reserved2;
229 	u_int16_t	na_status;
230 	u_int16_t	na_task_flags;
231 	u_int16_t	na_seqid;	/* sequence id */
232 	u_int16_t	na_reserved3[NA2_RSVDLEN];
233 } na_fcentry_t;
234 #define	NAFC_RCOUNT	0x80	/* increment resource count */
235 #define NAFC_RST_CLRD	0x20	/* Clear LIP Reset */
236 /*
237  * Accept Target I/O Entry structure
238  */
239 #define ATIO_CDBLEN	26
240 
241 typedef struct {
242 	isphdr_t	at_header;
243 	u_int16_t	at_reserved;
244 	u_int16_t	at_handle;
245 	u_int8_t	at_lun;		/* lun */
246 	u_int8_t	at_iid;		/* initiator */
247 	u_int8_t	at_cdblen; 	/* cdb length */
248 	u_int8_t	at_tgt;		/* target */
249 	u_int32_t	at_flags;
250 	u_int8_t	at_status;	/* firmware status */
251 	u_int8_t	at_scsi_status;	/* scsi status */
252 	u_int8_t	at_tag_val;	/* tag value */
253 	u_int8_t	at_tag_type;	/* tag type */
254 	u_int8_t	at_cdb[ATIO_CDBLEN];	/* received CDB */
255 	u_int8_t	at_sense[QLTM_SENSELEN];/* suggested sense data */
256 } at_entry_t;
257 
258 /*
259  * at_flags values
260  */
261 #define AT_NODISC	0x00008000	/* disconnect disabled */
262 #define AT_TQAE		0x00000002	/* Tagged Queue Action enabled */
263 
264 /*
265  * at_status values
266  */
267 #define AT_PATH_INVALID	0x07	/* ATIO sent to firmware for disabled lun */
268 #define	AT_RESET	0x0E	/* SCSI Bus Reset Occurred */
269 #define AT_PHASE_ERROR	0x14	/* Bus phase sequence error */
270 #define AT_NOCAP	0x16	/* Requested capability not available */
271 #define AT_BDR_MSG	0x17	/* Bus Device Reset msg received */
272 #define AT_CDB		0x3D	/* CDB received */
273 
274 /*
275  * Macros to create and fetch and test concatenated handle and tag value macros
276  */
277 
278 #define	AT_MAKE_TAGID(tid, aep)						\
279 	tid = ((aep)->at_handle << 16);					\
280 	if ((aep)->at_flags & AT_TQAE)					\
281 		(tid) |= ((aep)->at_tag_val + 1)
282 
283 #define	CT_MAKE_TAGID(tid, ct)						\
284 	tid = ((ct)->ct_fwhandle << 16);				\
285 	if ((ct)->ct_flags & CT_TQAE)					\
286 		(tid) |= ((ct)->ct_tag_val + 1)
287 
288 #define	AT_HAS_TAG(val)		((val) & 0xffff)
289 #define	AT_GET_TAG(val)		AT_HAS_TAG(val) - 1
290 #define	AT_GET_HANDLE(val)	((val) >> 16)
291 
292 /*
293  * Accept Target I/O Entry structure, Type 2
294  */
295 #define ATIO2_CDBLEN	16
296 
297 typedef struct {
298 	isphdr_t	at_header;
299 	u_int32_t	at_reserved;
300 	u_int8_t	at_lun;		/* lun or reserved */
301 	u_int8_t	at_iid;		/* initiator */
302 	u_int16_t	at_rxid; 	/* response ID */
303 	u_int16_t	at_flags;
304 	u_int16_t	at_status;	/* firmware status */
305 	u_int8_t	at_reserved1;
306 	u_int8_t	at_taskcodes;
307 	u_int8_t	at_taskflags;
308 	u_int8_t	at_execodes;
309 	u_int8_t	at_cdb[ATIO2_CDBLEN];	/* received CDB */
310 	u_int32_t	at_datalen;		/* allocated data len */
311 	u_int16_t	at_scclun;	/* SCC Lun or reserved */
312 	u_int16_t	at_reserved2[10];
313 	u_int16_t	at_oxid;
314 } at2_entry_t;
315 
316 #define	ATIO2_WWPN_OFFSET	0x2A
317 #define	ATIO2_OXID_OFFSET	0x3E
318 
319 #define	ATIO2_TC_ATTR_MASK	0x7
320 #define	ATIO2_TC_ATTR_SIMPLEQ	0
321 #define	ATIO2_TC_ATTR_HEADOFQ	1
322 #define	ATIO2_TC_ATTR_ORDERED	2
323 #define	ATIO2_TC_ATTR_ACAQ	4
324 #define	ATIO2_TC_ATTR_UNTAGGED	5
325 
326 /*
327  * Continue Target I/O Entry structure
328  * Request from driver. The response from the
329  * ISP firmware is the same except that the last 18
330  * bytes are overwritten by suggested sense data if
331  * the 'autosense valid' bit is set in the status byte.
332  */
333 typedef struct {
334 	isphdr_t	ct_header;
335 	u_int16_t	ct_reserved;
336 #define	ct_syshandle	ct_reserved	/* we use this */
337 	u_int16_t	ct_fwhandle;	/* required by f/w */
338 	u_int8_t	ct_lun;	/* lun */
339 	u_int8_t	ct_iid;	/* initiator id */
340 	u_int8_t	ct_reserved2;
341 	u_int8_t	ct_tgt;	/* our target id */
342 	u_int32_t	ct_flags;
343 	u_int8_t 	ct_status;	/* isp status */
344 	u_int8_t 	ct_scsi_status;	/* scsi status */
345 	u_int8_t 	ct_tag_val;	/* tag value */
346 	u_int8_t 	ct_tag_type;	/* tag type */
347 	u_int32_t	ct_xfrlen;	/* transfer length */
348 	u_int32_t	ct_resid;	/* residual length */
349 	u_int16_t	ct_timeout;
350 	u_int16_t	ct_seg_count;
351 	/*
352 	 * This is so we can share tag name space with
353 	 * CTIO{2,3,4} with the minimum of pain.
354 	 */
355 	union {
356 		ispds_t		ct_a[ISP_RQDSEG];
357 	} _u;
358 #define	ct_dataseg	_u.ct_a
359 } ct_entry_t;
360 
361 /*
362  * For some of the dual port SCSI adapters, port (bus #) is reported
363  * in the MSbit of ct_iid. Bit fields are a bit too awkward here.
364  *
365  * Note that this does not apply to FC adapters at all which can and
366  * do report IIDs between 129 && 255 (these represent devices that have
367  * logged in across a SCSI fabric).
368  */
369 #define	GET_IID_VAL(x)		(x & 0x3f)
370 #define	GET_BUS_VAL(x)		((x >> 7) & 0x1)
371 #define	SET_IID_VAL(y, x)	y = ((y & ~0x3f) | (x & 0x3f))
372 #define	SET_BUS_VAL(y, x)	y = ((y & 0x3f) | ((x & 0x1) << 7))
373 
374 /*
375  * ct_flags values
376  */
377 #define CT_TQAE		0x00000002	/* bit  1, Tagged Queue Action enable */
378 #define CT_DATA_IN	0x00000040	/* bits 6&7, Data direction */
379 #define CT_DATA_OUT	0x00000080	/* bits 6&7, Data direction */
380 #define CT_NO_DATA	0x000000C0	/* bits 6&7, Data direction */
381 #define	CT_CCINCR	0x00000100	/* bit 8, autoincrement atio count */
382 #define CT_DATAMASK	0x000000C0	/* bits 6&7, Data direction */
383 #define	CT_INISYNCWIDE	0x00004000	/* bit 14, Do Sync/Wide Negotiation */
384 #define CT_NODISC	0x00008000	/* bit 15, Disconnects disabled */
385 #define CT_DSDP		0x01000000	/* bit 24, Disable Save Data Pointers */
386 #define CT_SENDRDP	0x04000000	/* bit 26, Send Restore Pointers msg */
387 #define CT_SENDSTATUS	0x80000000	/* bit 31, Send SCSI status byte */
388 
389 /*
390  * ct_status values
391  * - set by the firmware when it returns the CTIO
392  */
393 #define CT_OK		0x01	/* completed without error */
394 #define CT_ABORTED	0x02	/* aborted by host */
395 #define CT_ERR		0x04	/* see sense data for error */
396 #define CT_INVAL	0x06	/* request for disabled lun */
397 #define CT_NOPATH	0x07	/* invalid ITL nexus */
398 #define	CT_INVRXID	0x08	/* (FC only) Invalid RX_ID */
399 #define	CT_DATA_OVER	0x09	/* (FC only) Data Overrun */
400 #define CT_RSELTMO	0x0A	/* reselection timeout after 2 tries */
401 #define CT_TIMEOUT	0x0B	/* timed out */
402 #define CT_RESET	0x0E	/* SCSI Bus Reset occurred */
403 #define	CT_PARITY	0x0F	/* Uncorrectable Parity Error */
404 #define	CT_BUS_ERROR	0x10	/* (FC Only) DMA PCI Error */
405 #define	CT_PANIC	0x13	/* Unrecoverable Error */
406 #define CT_PHASE_ERROR	0x14	/* Bus phase sequence error */
407 #define CT_BDR_MSG	0x17	/* Bus Device Reset msg received */
408 #define	CT_DATA_UNDER	0x15	/* (FC only) Data Underrun */
409 #define CT_TERMINATED	0x19	/* due to Terminate Transfer mbox cmd */
410 #define	CT_PORTNOTAVAIL	0x28	/* port not available */
411 #define	CT_LOGOUT	0x29	/* port logout */
412 #define	CT_PORTCHANGED	0x2A	/* port changed */
413 #define	CT_IDE		0x33	/* Initiator Detected Error */
414 #define CT_NOACK	0x35	/* Outstanding Immed. Notify. entry */
415 
416 /*
417  * When the firmware returns a CTIO entry, it may overwrite the last
418  * part of the structure with sense data. This starts at offset 0x2E
419  * into the entry, which is in the middle of ct_dataseg[1]. Rather
420  * than define a new struct for this, I'm just using the sense data
421  * offset.
422  */
423 #define CTIO_SENSE_OFFSET	0x2E
424 
425 /*
426  * Entry length in u_longs. All entries are the same size so
427  * any one will do as the numerator.
428  */
429 #define UINT32_ENTRY_SIZE	(sizeof(at_entry_t)/sizeof(u_int32_t))
430 
431 /*
432  * QLA2100 CTIO (type 2) entry
433  */
434 #define	MAXRESPLEN	26
435 typedef struct {
436 	isphdr_t	ct_header;
437 	u_int16_t	ct_reserved;
438 	u_int16_t	ct_fwhandle;	/* just to match CTIO */
439 	u_int8_t	ct_lun;	/* lun */
440 	u_int8_t	ct_iid;	/* initiator id */
441 	u_int16_t	ct_rxid; /* response ID */
442 	u_int16_t	ct_flags;
443 	u_int16_t 	ct_status;	/* isp status */
444 	u_int16_t	ct_timeout;
445 	u_int16_t	ct_seg_count;
446 	u_int32_t	ct_reloff;	/* relative offset */
447 	int32_t		ct_resid;	/* residual length */
448 	union {
449 		/*
450 		 * The three different modes that the target driver
451 		 * can set the CTIO{2,3,4} up as.
452 		 *
453 		 * The first is for sending FCP_DATA_IUs as well as
454 		 * (optionally) sending a terminal SCSI status FCP_RSP_IU.
455 		 *
456 		 * The second is for sending SCSI sense data in an FCP_RSP_IU.
457 		 * Note that no FCP_DATA_IUs will be sent.
458 		 *
459 		 * The third is for sending FCP_RSP_IUs as built specifically
460 		 * in system memory as located by the isp_dataseg.
461 		 */
462 		struct {
463 			u_int32_t _reserved;
464 			u_int16_t _reserved2;
465 			u_int16_t ct_scsi_status;
466 			u_int32_t ct_xfrlen;
467 			union {
468 				ispds_t ct_a[ISP_RQDSEG_T2];	/* CTIO2 */
469 				ispds64_t ct_b[ISP_RQDSEG_T3];	/* CTIO3 */
470 				ispdslist_t ct_c;		/* CTIO4 */
471 			} _u;
472 #define	ct_dataseg	_u.ct_a
473 #define	ct_dataseg64	_u.ct_b
474 #define	ct_dslist	_u.ct_c
475 		} m0;
476 		struct {
477 			u_int16_t _reserved;
478 			u_int16_t _reserved2;
479 			u_int16_t ct_senselen;
480 			u_int16_t ct_scsi_status;
481 			u_int16_t ct_resplen;
482 			u_int8_t  ct_resp[MAXRESPLEN];
483 		} m1;
484 		struct {
485 			u_int32_t _reserved;
486 			u_int16_t _reserved2;
487 			u_int16_t _reserved3;
488 			u_int32_t ct_datalen;
489 			ispds_t ct_fcp_rsp_iudata;
490 		} m2;
491 		/*
492 		 * CTIO2 returned from F/W...
493 		 */
494 		struct {
495 			u_int32_t _reserved[4];
496 			u_int16_t ct_scsi_status;
497 			u_int8_t  ct_sense[QLTM_SENSELEN];
498 		} fw;
499 	} rsp;
500 } ct2_entry_t;
501 
502 /*
503  * ct_flags values for CTIO2
504  */
505 #define	CT2_FLAG_MMASK	0x0003
506 #define	CT2_FLAG_MODE0	0x0000
507 #define	CT2_FLAG_MODE1	0x0001
508 #define	CT2_FLAG_MODE2	0x0002
509 #define CT2_DATA_IN	CT_DATA_IN
510 #define CT2_DATA_OUT	CT_DATA_OUT
511 #define CT2_NO_DATA	CT_NO_DATA
512 #define CT2_DATAMASK	CT_DATAMASK
513 #define	CT2_CCINCR	0x0100
514 #define	CT2_FASTPOST	0x0200
515 #define CT2_SENDSTATUS	0x8000
516 
517 /*
518  * ct_status values are (mostly) the same as that for ct_entry.
519  */
520 
521 /*
522  * ct_scsi_status values- the low 8 bits are the normal SCSI status
523  * we know and love. The upper 8 bits are validity markers for FCP_RSP_IU
524  * fields.
525  */
526 #define	CT2_RSPLEN_VALID	0x0100
527 #define	CT2_SNSLEN_VALID	0x0200
528 #define	CT2_DATA_OVER		0x0400
529 #define	CT2_DATA_UNDER		0x0800
530 
531 /*
532  * Debug macros
533  */
534 
535 #define	ISP_TDQE(isp, msg, idx, arg)	\
536     if (isp->isp_dblev & ISP_LOGTDEBUG2) isp_print_qentry(isp, msg, idx, arg)
537 
538 #ifdef	ISP_TARGET_FUNCTIONS
539 /*
540  * The functions below are for the publicly available
541  * target mode functions that are internal to the Qlogic driver.
542  */
543 
544 /*
545  * This function handles new response queue entry appropriate for target mode.
546  */
547 int isp_target_notify(struct ispsoftc *, void *, u_int16_t *);
548 
549 /*
550  * Enable/Disable/Modify a logical unit.
551  * (softc, cmd, bus, tgt, lun, cmd_cnt, inotify_cnt, opaque)
552  */
553 #define	DFLT_CMND_CNT	32
554 #define	DFLT_INOT_CNT	4
555 int isp_lun_cmd(struct ispsoftc *, int, int, int, int, int, int, u_int32_t);
556 
557 /*
558  * General request queue 'put' routine for target mode entries.
559  */
560 int isp_target_put_entry(struct ispsoftc *isp, void *);
561 
562 /*
563  * General routine to put back an ATIO entry-
564  * used for replenishing f/w resource counts.
565  * The argument is a pointer to a source ATIO
566  * or ATIO2.
567  */
568 int isp_target_put_atio(struct ispsoftc *, void *);
569 
570 /*
571  * General routine to send a final CTIO for a command- used mostly for
572  * local responses.
573  */
574 int isp_endcmd(struct ispsoftc *, void *, u_int32_t, u_int16_t);
575 #define	ECMD_SVALID	0x100
576 
577 /*
578  * Handle an asynchronous event
579  */
580 
581 void isp_target_async(struct ispsoftc *, int, int);
582 #endif
583 #endif	/* _ISP_TARGET_H */
584