xref: /dragonfly/sys/dev/disk/isp/isp_target.h (revision 6b5c5d0d)
1 /* $FreeBSD: src/sys/dev/isp/isp_target.h,v 1.3.4.13 2002/07/29 04:25:59 mjacob Exp $ */
2 /* $DragonFly: src/sys/dev/disk/isp/isp_target.h,v 1.2 2003/06/17 04:28:27 dillon Exp $ */
3 /*
4  * Qlogic Target Mode Structure and Flag Definitions
5  *
6  * Copyright (c) 1997, 1998
7  * Patrick Stirling
8  * pms@psconsult.com
9  * All rights reserved.
10  *
11  * Additional Copyright (c) 1999, 2000, 2001
12  * Matthew Jacob
13  * mjacob@feral.com
14  * All rights reserved.
15  *
16  *
17  * Redistribution and use in source and binary forms, with or without
18  * modification, are permitted provided that the following conditions
19  * are met:
20  * 1. Redistributions of source code must retain the above copyright
21  *    notice immediately at the beginning of the file, without modification,
22  *    this list of conditions, and the following disclaimer.
23  * 2. The name of the author may not be used to endorse or promote products
24  *    derived from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
30  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  */
37 #ifndef	_ISP_TARGET_H
38 #define	_ISP_TARGET_H
39 
40 /*
41  * Defines for all entry types
42  */
43 #define QLTM_SVALID	0x80
44 #define	QLTM_SENSELEN	18
45 
46 /*
47  * Structure for Enable Lun and Modify Lun queue entries
48  */
49 typedef struct {
50 	isphdr_t	le_header;
51 	u_int32_t	le_reserved;
52 	u_int8_t	le_lun;
53 	u_int8_t	le_rsvd;
54 	u_int8_t	le_ops;		/* Modify LUN only */
55 	u_int8_t	le_tgt;		/* Not for FC */
56 	u_int32_t	le_flags;	/* Not for FC */
57 	u_int8_t	le_status;
58 	u_int8_t	le_reserved2;
59 	u_int8_t	le_cmd_count;
60 	u_int8_t	le_in_count;
61 	u_int8_t	le_cdb6len;	/* Not for FC */
62 	u_int8_t	le_cdb7len;	/* Not for FC */
63 	u_int16_t	le_timeout;
64 	u_int16_t	le_reserved3[20];
65 } lun_entry_t;
66 
67 /*
68  * le_flags values
69  */
70 #define LUN_TQAE	0x00000002	/* bit1  Tagged Queue Action Enable */
71 #define LUN_DSSM	0x01000000	/* bit24 Disable Sending SDP Message */
72 #define	LUN_DISAD	0x02000000	/* bit25 Disable autodisconnect */
73 #define LUN_DM		0x40000000	/* bit30 Disconnects Mandatory */
74 
75 /*
76  * le_ops values
77  */
78 #define LUN_CCINCR	0x01	/* increment command count */
79 #define LUN_CCDECR	0x02	/* decrement command count */
80 #define LUN_ININCR	0x40	/* increment immed. notify count */
81 #define LUN_INDECR	0x80	/* decrement immed. notify count */
82 
83 /*
84  * le_status values
85  */
86 #define	LUN_OK		0x01	/* we be rockin' */
87 #define LUN_ERR		0x04	/* request completed with error */
88 #define LUN_INVAL	0x06	/* invalid request */
89 #define LUN_NOCAP	0x16	/* can't provide requested capability */
90 #define LUN_ENABLED	0x3E	/* LUN already enabled */
91 
92 /*
93  * Immediate Notify Entry structure
94  */
95 #define IN_MSGLEN	8	/* 8 bytes */
96 #define IN_RSVDLEN	8	/* 8 words */
97 typedef struct {
98 	isphdr_t	in_header;
99 	u_int32_t	in_reserved;
100 	u_int8_t	in_lun;		/* lun */
101 	u_int8_t	in_iid;		/* initiator */
102 	u_int8_t	in_reserved2;
103 	u_int8_t	in_tgt;		/* target */
104 	u_int32_t	in_flags;
105 	u_int8_t	in_status;
106 	u_int8_t	in_rsvd2;
107 	u_int8_t	in_tag_val;	/* tag value */
108 	u_int8_t	in_tag_type;	/* tag type */
109 	u_int16_t	in_seqid;	/* sequence id */
110 	u_int8_t	in_msg[IN_MSGLEN];	/* SCSI message bytes */
111 	u_int16_t	in_reserved3[IN_RSVDLEN];
112 	u_int8_t	in_sense[QLTM_SENSELEN];/* suggested sense data */
113 } in_entry_t;
114 
115 typedef struct {
116 	isphdr_t	in_header;
117 	u_int32_t	in_reserved;
118 	u_int8_t	in_lun;		/* lun */
119 	u_int8_t	in_iid;		/* initiator */
120 	u_int16_t	in_scclun;
121 	u_int32_t	in_reserved2;
122 	u_int16_t	in_status;
123 	u_int16_t	in_task_flags;
124 	u_int16_t	in_seqid;	/* sequence id */
125 } in_fcentry_t;
126 
127 /*
128  * Values for the in_status field
129  */
130 #define	IN_REJECT	0x0D	/* Message Reject message received */
131 #define IN_RESET	0x0E	/* Bus Reset occurred */
132 #define IN_NO_RCAP	0x16	/* requested capability not available */
133 #define IN_IDE_RECEIVED	0x33	/* Initiator Detected Error msg received */
134 #define IN_RSRC_UNAVAIL	0x34	/* resource unavailable */
135 #define IN_MSG_RECEIVED	0x36	/* SCSI message received */
136 #define	IN_ABORT_TASK	0x20	/* task named in RX_ID is being aborted (FC) */
137 #define	IN_PORT_LOGOUT	0x29	/* port has logged out (FC) */
138 #define	IN_PORT_CHANGED	0x2A	/* port changed */
139 #define	IN_GLOBAL_LOGO	0x2E	/* all ports logged out */
140 #define	IN_NO_NEXUS	0x3B	/* Nexus not established */
141 
142 /*
143  * Values for the in_task_flags field- should only get one at a time!
144  */
145 #define	TASK_FLAGS_ABORT_TASK		(1<<9)
146 #define	TASK_FLAGS_CLEAR_TASK_SET	(1<<10)
147 #define	TASK_FLAGS_TARGET_RESET		(1<<13)
148 #define	TASK_FLAGS_CLEAR_ACA		(1<<14)
149 #define	TASK_FLAGS_TERMINATE_TASK	(1<<15)
150 
151 #ifndef	MSG_ABORT_TAG
152 #define	MSG_ABORT_TAG		0x06
153 #endif
154 #ifndef	MSG_CLEAR_QUEUE
155 #define	MSG_CLEAR_QUEUE		0x0e
156 #endif
157 #ifndef	MSG_BUS_DEV_RESET
158 #define	MSG_BUS_DEV_RESET	0x0b
159 #endif
160 #ifndef	MSG_REL_RECOVERY
161 #define	MSG_REL_RECOVERY	0x10
162 #endif
163 #ifndef	MSG_TERM_IO_PROC
164 #define	MSG_TERM_IO_PROC	0x11
165 #endif
166 
167 
168 /*
169  * Notify Acknowledge Entry structure
170  */
171 #define NA_RSVDLEN	22
172 typedef struct {
173 	isphdr_t	na_header;
174 	u_int32_t	na_reserved;
175 	u_int8_t	na_lun;		/* lun */
176 	u_int8_t	na_iid;		/* initiator */
177 	u_int8_t	na_reserved2;
178 	u_int8_t	na_tgt;		/* target */
179 	u_int32_t	na_flags;
180 	u_int8_t	na_status;
181 	u_int8_t	na_event;
182 	u_int16_t	na_seqid;	/* sequence id */
183 	u_int16_t	na_reserved3[NA_RSVDLEN];
184 } na_entry_t;
185 
186 /*
187  * Value for the na_event field
188  */
189 #define NA_RST_CLRD	0x80	/* Clear an async event notification */
190 #define	NA_OK		0x01	/* Notify Acknowledge Succeeded */
191 #define	NA_INVALID	0x06	/* Invalid Notify Acknowledge */
192 
193 #define	NA2_RSVDLEN	21
194 typedef struct {
195 	isphdr_t	na_header;
196 	u_int32_t	na_reserved;
197 	u_int8_t	na_lun;		/* lun */
198 	u_int8_t	na_iid;		/* initiator */
199 	u_int16_t	na_scclun;
200 	u_int16_t	na_flags;
201 	u_int16_t	na_reserved2;
202 	u_int16_t	na_status;
203 	u_int16_t	na_task_flags;
204 	u_int16_t	na_seqid;	/* sequence id */
205 	u_int16_t	na_reserved3[NA2_RSVDLEN];
206 } na_fcentry_t;
207 #define	NAFC_RCOUNT	0x80	/* increment resource count */
208 #define NAFC_RST_CLRD	0x20	/* Clear LIP Reset */
209 /*
210  * Accept Target I/O Entry structure
211  */
212 #define ATIO_CDBLEN	26
213 
214 typedef struct {
215 	isphdr_t	at_header;
216 	u_int16_t	at_reserved;
217 	u_int16_t	at_handle;
218 	u_int8_t	at_lun;		/* lun */
219 	u_int8_t	at_iid;		/* initiator */
220 	u_int8_t	at_cdblen; 	/* cdb length */
221 	u_int8_t	at_tgt;		/* target */
222 	u_int32_t	at_flags;
223 	u_int8_t	at_status;	/* firmware status */
224 	u_int8_t	at_scsi_status;	/* scsi status */
225 	u_int8_t	at_tag_val;	/* tag value */
226 	u_int8_t	at_tag_type;	/* tag type */
227 	u_int8_t	at_cdb[ATIO_CDBLEN];	/* received CDB */
228 	u_int8_t	at_sense[QLTM_SENSELEN];/* suggested sense data */
229 } at_entry_t;
230 
231 /*
232  * at_flags values
233  */
234 #define AT_NODISC	0x00008000	/* disconnect disabled */
235 #define AT_TQAE		0x00000002	/* Tagged Queue Action enabled */
236 
237 /*
238  * at_status values
239  */
240 #define AT_PATH_INVALID	0x07	/* ATIO sent to firmware for disabled lun */
241 #define	AT_RESET	0x0E	/* SCSI Bus Reset Occurred */
242 #define AT_PHASE_ERROR	0x14	/* Bus phase sequence error */
243 #define AT_NOCAP	0x16	/* Requested capability not available */
244 #define AT_BDR_MSG	0x17	/* Bus Device Reset msg received */
245 #define AT_CDB		0x3D	/* CDB received */
246 
247 /*
248  * Macros to create and fetch and test concatenated handle and tag value macros
249  */
250 
251 #define	AT_MAKE_TAGID(tid, aep)						\
252 	tid = ((aep)->at_handle << 16);					\
253 	if ((aep)->at_flags & AT_TQAE)					\
254 		(tid) |= ((aep)->at_tag_val + 1)
255 
256 #define	CT_MAKE_TAGID(tid, ct)						\
257 	tid = ((ct)->ct_fwhandle << 16);				\
258 	if ((ct)->ct_flags & CT_TQAE)					\
259 		(tid) |= ((ct)->ct_tag_val + 1)
260 
261 #define	AT_HAS_TAG(val)		((val) & 0xffff)
262 #define	AT_GET_TAG(val)		AT_HAS_TAG(val) - 1
263 #define	AT_GET_HANDLE(val)	((val) >> 16)
264 
265 /*
266  * Accept Target I/O Entry structure, Type 2
267  */
268 #define ATIO2_CDBLEN	16
269 
270 typedef struct {
271 	isphdr_t	at_header;
272 	u_int32_t	at_reserved;
273 	u_int8_t	at_lun;		/* lun or reserved */
274 	u_int8_t	at_iid;		/* initiator */
275 	u_int16_t	at_rxid; 	/* response ID */
276 	u_int16_t	at_flags;
277 	u_int16_t	at_status;	/* firmware status */
278 	u_int8_t	at_reserved1;
279 	u_int8_t	at_taskcodes;
280 	u_int8_t	at_taskflags;
281 	u_int8_t	at_execodes;
282 	u_int8_t	at_cdb[ATIO2_CDBLEN];	/* received CDB */
283 	u_int32_t	at_datalen;		/* allocated data len */
284 	u_int16_t	at_scclun;		/* SCC Lun or reserved */
285 	u_int16_t	at_wwpn[4];		/* WWPN of initiator */
286 	u_int16_t	at_reserved2[6];
287 	u_int16_t	at_oxid;
288 } at2_entry_t;
289 
290 #define	ATIO2_WWPN_OFFSET	0x2A
291 #define	ATIO2_OXID_OFFSET	0x3E
292 
293 #define	ATIO2_TC_ATTR_MASK	0x7
294 #define	ATIO2_TC_ATTR_SIMPLEQ	0
295 #define	ATIO2_TC_ATTR_HEADOFQ	1
296 #define	ATIO2_TC_ATTR_ORDERED	2
297 #define	ATIO2_TC_ATTR_ACAQ	4
298 #define	ATIO2_TC_ATTR_UNTAGGED	5
299 
300 /*
301  * Continue Target I/O Entry structure
302  * Request from driver. The response from the
303  * ISP firmware is the same except that the last 18
304  * bytes are overwritten by suggested sense data if
305  * the 'autosense valid' bit is set in the status byte.
306  */
307 typedef struct {
308 	isphdr_t	ct_header;
309 	u_int16_t	ct_reserved;
310 #define	ct_syshandle	ct_reserved	/* we use this */
311 	u_int16_t	ct_fwhandle;	/* required by f/w */
312 	u_int8_t	ct_lun;	/* lun */
313 	u_int8_t	ct_iid;	/* initiator id */
314 	u_int8_t	ct_reserved2;
315 	u_int8_t	ct_tgt;	/* our target id */
316 	u_int32_t	ct_flags;
317 	u_int8_t 	ct_status;	/* isp status */
318 	u_int8_t 	ct_scsi_status;	/* scsi status */
319 	u_int8_t 	ct_tag_val;	/* tag value */
320 	u_int8_t 	ct_tag_type;	/* tag type */
321 	u_int32_t	ct_xfrlen;	/* transfer length */
322 	u_int32_t	ct_resid;	/* residual length */
323 	u_int16_t	ct_timeout;
324 	u_int16_t	ct_seg_count;
325 	/*
326 	 * This is so we can share tag name space with
327 	 * CTIO{2,3,4} with the minimum of pain.
328 	 */
329 	union {
330 		ispds_t		ct_a[ISP_RQDSEG];
331 	} _u;
332 #define	ct_dataseg	_u.ct_a
333 } ct_entry_t;
334 
335 /*
336  * For some of the dual port SCSI adapters, port (bus #) is reported
337  * in the MSbit of ct_iid. Bit fields are a bit too awkward here.
338  *
339  * Note that this does not apply to FC adapters at all which can and
340  * do report IIDs between 129 && 255 (these represent devices that have
341  * logged in across a SCSI fabric).
342  */
343 #define	GET_IID_VAL(x)		(x & 0x3f)
344 #define	GET_BUS_VAL(x)		((x >> 7) & 0x1)
345 #define	SET_IID_VAL(y, x)	y = ((y & ~0x3f) | (x & 0x3f))
346 #define	SET_BUS_VAL(y, x)	y = ((y & 0x3f) | ((x & 0x1) << 7))
347 
348 /*
349  * ct_flags values
350  */
351 #define CT_TQAE		0x00000002	/* bit  1, Tagged Queue Action enable */
352 #define CT_DATA_IN	0x00000040	/* bits 6&7, Data direction */
353 #define CT_DATA_OUT	0x00000080	/* bits 6&7, Data direction */
354 #define CT_NO_DATA	0x000000C0	/* bits 6&7, Data direction */
355 #define	CT_CCINCR	0x00000100	/* bit 8, autoincrement atio count */
356 #define CT_DATAMASK	0x000000C0	/* bits 6&7, Data direction */
357 #define	CT_INISYNCWIDE	0x00004000	/* bit 14, Do Sync/Wide Negotiation */
358 #define CT_NODISC	0x00008000	/* bit 15, Disconnects disabled */
359 #define CT_DSDP		0x01000000	/* bit 24, Disable Save Data Pointers */
360 #define CT_SENDRDP	0x04000000	/* bit 26, Send Restore Pointers msg */
361 #define CT_SENDSTATUS	0x80000000	/* bit 31, Send SCSI status byte */
362 
363 /*
364  * ct_status values
365  * - set by the firmware when it returns the CTIO
366  */
367 #define CT_OK		0x01	/* completed without error */
368 #define CT_ABORTED	0x02	/* aborted by host */
369 #define CT_ERR		0x04	/* see sense data for error */
370 #define CT_INVAL	0x06	/* request for disabled lun */
371 #define CT_NOPATH	0x07	/* invalid ITL nexus */
372 #define	CT_INVRXID	0x08	/* (FC only) Invalid RX_ID */
373 #define	CT_DATA_OVER	0x09	/* (FC only) Data Overrun */
374 #define CT_RSELTMO	0x0A	/* reselection timeout after 2 tries */
375 #define CT_TIMEOUT	0x0B	/* timed out */
376 #define CT_RESET	0x0E	/* SCSI Bus Reset occurred */
377 #define	CT_PARITY	0x0F	/* Uncorrectable Parity Error */
378 #define	CT_BUS_ERROR	0x10	/* (FC Only) DMA PCI Error */
379 #define	CT_PANIC	0x13	/* Unrecoverable Error */
380 #define CT_PHASE_ERROR	0x14	/* Bus phase sequence error */
381 #define CT_BDR_MSG	0x17	/* Bus Device Reset msg received */
382 #define	CT_DATA_UNDER	0x15	/* (FC only) Data Underrun */
383 #define CT_TERMINATED	0x19	/* due to Terminate Transfer mbox cmd */
384 #define	CT_PORTNOTAVAIL	0x28	/* port not available */
385 #define	CT_LOGOUT	0x29	/* port logout */
386 #define	CT_PORTCHANGED	0x2A	/* port changed */
387 #define	CT_IDE		0x33	/* Initiator Detected Error */
388 #define CT_NOACK	0x35	/* Outstanding Immed. Notify. entry */
389 
390 /*
391  * When the firmware returns a CTIO entry, it may overwrite the last
392  * part of the structure with sense data. This starts at offset 0x2E
393  * into the entry, which is in the middle of ct_dataseg[1]. Rather
394  * than define a new struct for this, I'm just using the sense data
395  * offset.
396  */
397 #define CTIO_SENSE_OFFSET	0x2E
398 
399 /*
400  * Entry length in u_longs. All entries are the same size so
401  * any one will do as the numerator.
402  */
403 #define UINT32_ENTRY_SIZE	(sizeof(at_entry_t)/sizeof(u_int32_t))
404 
405 /*
406  * QLA2100 CTIO (type 2) entry
407  */
408 #define	MAXRESPLEN	26
409 typedef struct {
410 	isphdr_t	ct_header;
411 	u_int16_t	ct_reserved;
412 	u_int16_t	ct_fwhandle;	/* just to match CTIO */
413 	u_int8_t	ct_lun;		/* lun */
414 	u_int8_t	ct_iid;		/* initiator id */
415 	u_int16_t	ct_rxid;	/* response ID */
416 	u_int16_t	ct_flags;
417 	u_int16_t 	ct_status;	/* isp status */
418 	u_int16_t	ct_timeout;
419 	u_int16_t	ct_seg_count;
420 	u_int32_t	ct_reloff;	/* relative offset */
421 	int32_t		ct_resid;	/* residual length */
422 	union {
423 		/*
424 		 * The three different modes that the target driver
425 		 * can set the CTIO{2,3,4} up as.
426 		 *
427 		 * The first is for sending FCP_DATA_IUs as well as
428 		 * (optionally) sending a terminal SCSI status FCP_RSP_IU.
429 		 *
430 		 * The second is for sending SCSI sense data in an FCP_RSP_IU.
431 		 * Note that no FCP_DATA_IUs will be sent.
432 		 *
433 		 * The third is for sending FCP_RSP_IUs as built specifically
434 		 * in system memory as located by the isp_dataseg.
435 		 */
436 		struct {
437 			u_int32_t _reserved;
438 			u_int16_t _reserved2;
439 			u_int16_t ct_scsi_status;
440 			u_int32_t ct_xfrlen;
441 			union {
442 				ispds_t ct_a[ISP_RQDSEG_T2];	/* CTIO2 */
443 				ispds64_t ct_b[ISP_RQDSEG_T3];	/* CTIO3 */
444 				ispdslist_t ct_c;		/* CTIO4 */
445 			} _u;
446 #define	ct_dataseg	_u.ct_a
447 #define	ct_dataseg64	_u.ct_b
448 #define	ct_dslist	_u.ct_c
449 		} m0;
450 		struct {
451 			u_int16_t _reserved;
452 			u_int16_t _reserved2;
453 			u_int16_t ct_senselen;
454 			u_int16_t ct_scsi_status;
455 			u_int16_t ct_resplen;
456 			u_int8_t  ct_resp[MAXRESPLEN];
457 		} m1;
458 		struct {
459 			u_int32_t _reserved;
460 			u_int16_t _reserved2;
461 			u_int16_t _reserved3;
462 			u_int32_t ct_datalen;
463 			ispds_t ct_fcp_rsp_iudata;
464 		} m2;
465 		/*
466 		 * CTIO2 returned from F/W...
467 		 */
468 		struct {
469 			u_int32_t _reserved[4];
470 			u_int16_t ct_scsi_status;
471 			u_int8_t  ct_sense[QLTM_SENSELEN];
472 		} fw;
473 	} rsp;
474 } ct2_entry_t;
475 
476 /*
477  * ct_flags values for CTIO2
478  */
479 #define	CT2_FLAG_MMASK	0x0003
480 #define	CT2_FLAG_MODE0	0x0000
481 #define	CT2_FLAG_MODE1	0x0001
482 #define	CT2_FLAG_MODE2	0x0002
483 #define CT2_DATA_IN	CT_DATA_IN
484 #define CT2_DATA_OUT	CT_DATA_OUT
485 #define CT2_NO_DATA	CT_NO_DATA
486 #define CT2_DATAMASK	CT_DATAMASK
487 #define	CT2_CCINCR	0x0100
488 #define	CT2_FASTPOST	0x0200
489 #define CT2_SENDSTATUS	0x8000
490 
491 /*
492  * ct_status values are (mostly) the same as that for ct_entry.
493  */
494 
495 /*
496  * ct_scsi_status values- the low 8 bits are the normal SCSI status
497  * we know and love. The upper 8 bits are validity markers for FCP_RSP_IU
498  * fields.
499  */
500 #define	CT2_RSPLEN_VALID	0x0100
501 #define	CT2_SNSLEN_VALID	0x0200
502 #define	CT2_DATA_OVER		0x0400
503 #define	CT2_DATA_UNDER		0x0800
504 
505 /*
506  * Debug macros
507  */
508 
509 #define	ISP_TDQE(isp, msg, idx, arg)	\
510     if (isp->isp_dblev & ISP_LOGTDEBUG2) isp_print_qentry(isp, msg, idx, arg)
511 
512 #ifdef	ISP_TARGET_FUNCTIONS
513 /*
514  * The functions below are for the publicly available
515  * target mode functions that are internal to the Qlogic driver.
516  */
517 
518 /*
519  * This function handles new response queue entry appropriate for target mode.
520  */
521 int isp_target_notify(struct ispsoftc *, void *, u_int16_t *);
522 
523 /*
524  * Enable/Disable/Modify a logical unit.
525  * (softc, cmd, bus, tgt, lun, cmd_cnt, inotify_cnt, opaque)
526  */
527 #define	DFLT_CMND_CNT	0xfe	/* unmonitored */
528 #define	DFLT_INOT_CNT	16
529 int isp_lun_cmd(struct ispsoftc *, int, int, int, int, int, int, u_int32_t);
530 
531 /*
532  * General request queue 'put' routine for target mode entries.
533  */
534 int isp_target_put_entry(struct ispsoftc *isp, void *);
535 
536 /*
537  * General routine to put back an ATIO entry-
538  * used for replenishing f/w resource counts.
539  * The argument is a pointer to a source ATIO
540  * or ATIO2.
541  */
542 int isp_target_put_atio(struct ispsoftc *, void *);
543 
544 /*
545  * General routine to send a final CTIO for a command- used mostly for
546  * local responses.
547  */
548 int isp_endcmd(struct ispsoftc *, void *, u_int32_t, u_int16_t);
549 #define	ECMD_SVALID	0x100
550 
551 /*
552  * Handle an asynchronous event
553  *
554  * Return nonzero if the interrupt that generated this event has been dismissed.
555  */
556 
557 int isp_target_async(struct ispsoftc *, int, int);
558 #endif
559 #endif	/* _ISP_TARGET_H */
560