isp_target.h revision 140652
1/* $FreeBSD: head/sys/dev/isp/isp_target.h 140652 2005-01-23 06:28:49Z mjacob $ */
2/*-
3 * Qlogic Target Mode Structure and Flag Definitions
4 *
5 * Copyright (c) 1997, 1998
6 * Patrick Stirling
7 * pms@psconsult.com
8 * All rights reserved.
9 *
10 * Additional Copyright (c) 1999, 2000, 2001
11 * Matthew Jacob
12 * mjacob@feral.com
13 * All rights reserved.
14 *
15 *
16 * Redistribution and use in source and binary forms, with or without
17 * modification, are permitted provided that the following conditions
18 * are met:
19 * 1. Redistributions of source code must retain the above copyright
20 *    notice immediately at the beginning of the file, without modification,
21 *    this list of conditions, and the following disclaimer.
22 * 2. The name of the author may not be used to endorse or promote products
23 *    derived from this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
29 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 */
36#ifndef	_ISP_TARGET_H
37#define	_ISP_TARGET_H
38
39#define	QLTM_SENSELEN	18	/* non-FC cards only */
40#define QLTM_SVALID	0x80
41
42/*
43 * Structure for Enable Lun and Modify Lun queue entries
44 */
45typedef struct {
46	isphdr_t	le_header;
47	u_int32_t	le_reserved;
48	u_int8_t	le_lun;
49	u_int8_t	le_rsvd;
50	u_int8_t	le_ops;		/* Modify LUN only */
51	u_int8_t	le_tgt;		/* Not for FC */
52	u_int32_t	le_flags;	/* Not for FC */
53	u_int8_t	le_status;
54	u_int8_t	le_reserved2;
55	u_int8_t	le_cmd_count;
56	u_int8_t	le_in_count;
57	u_int8_t	le_cdb6len;	/* Not for FC */
58	u_int8_t	le_cdb7len;	/* Not for FC */
59	u_int16_t	le_timeout;
60	u_int16_t	le_reserved3[20];
61} lun_entry_t;
62
63/*
64 * le_flags values
65 */
66#define LUN_TQAE	0x00000002	/* bit1  Tagged Queue Action Enable */
67#define LUN_DSSM	0x01000000	/* bit24 Disable Sending SDP Message */
68#define	LUN_DISAD	0x02000000	/* bit25 Disable autodisconnect */
69#define LUN_DM		0x40000000	/* bit30 Disconnects Mandatory */
70
71/*
72 * le_ops values
73 */
74#define LUN_CCINCR	0x01	/* increment command count */
75#define LUN_CCDECR	0x02	/* decrement command count */
76#define LUN_ININCR	0x40	/* increment immed. notify count */
77#define LUN_INDECR	0x80	/* decrement immed. notify count */
78
79/*
80 * le_status values
81 */
82#define	LUN_OK		0x01	/* we be rockin' */
83#define LUN_ERR		0x04	/* request completed with error */
84#define LUN_INVAL	0x06	/* invalid request */
85#define LUN_NOCAP	0x16	/* can't provide requested capability */
86#define LUN_ENABLED	0x3E	/* LUN already enabled */
87
88/*
89 * Immediate Notify Entry structure
90 */
91#define IN_MSGLEN	8	/* 8 bytes */
92#define IN_RSVDLEN	8	/* 8 words */
93typedef struct {
94	isphdr_t	in_header;
95	u_int32_t	in_reserved;
96	u_int8_t	in_lun;		/* lun */
97	u_int8_t	in_iid;		/* initiator */
98	u_int8_t	in_reserved2;
99	u_int8_t	in_tgt;		/* target */
100	u_int32_t	in_flags;
101	u_int8_t	in_status;
102	u_int8_t	in_rsvd2;
103	u_int8_t	in_tag_val;	/* tag value */
104	u_int8_t	in_tag_type;	/* tag type */
105	u_int16_t	in_seqid;	/* sequence id */
106	u_int8_t	in_msg[IN_MSGLEN];	/* SCSI message bytes */
107	u_int16_t	in_reserved3[IN_RSVDLEN];
108	u_int8_t	in_sense[QLTM_SENSELEN];/* suggested sense data */
109} in_entry_t;
110
111typedef struct {
112	isphdr_t	in_header;
113	u_int32_t	in_reserved;
114	u_int8_t	in_lun;		/* lun */
115	u_int8_t	in_iid;		/* initiator */
116	u_int16_t	in_scclun;
117	u_int32_t	in_reserved2;
118	u_int16_t	in_status;
119	u_int16_t	in_task_flags;
120	u_int16_t	in_seqid;	/* sequence id */
121} in_fcentry_t;
122
123/*
124 * Values for the in_status field
125 */
126#define	IN_REJECT	0x0D	/* Message Reject message received */
127#define IN_RESET	0x0E	/* Bus Reset occurred */
128#define IN_NO_RCAP	0x16	/* requested capability not available */
129#define IN_IDE_RECEIVED	0x33	/* Initiator Detected Error msg received */
130#define IN_RSRC_UNAVAIL	0x34	/* resource unavailable */
131#define IN_MSG_RECEIVED	0x36	/* SCSI message received */
132#define	IN_ABORT_TASK	0x20	/* task named in RX_ID is being aborted (FC) */
133#define	IN_PORT_LOGOUT	0x29	/* port has logged out (FC) */
134#define	IN_PORT_CHANGED	0x2A	/* port changed */
135#define	IN_GLOBAL_LOGO	0x2E	/* all ports logged out */
136#define	IN_NO_NEXUS	0x3B	/* Nexus not established */
137
138/*
139 * Values for the in_task_flags field- should only get one at a time!
140 */
141#define	TASK_FLAGS_CLEAR_ACA		(1<<14)
142#define	TASK_FLAGS_TARGET_RESET		(1<<13)
143#define	TASK_FLAGS_LUN_RESET		(1<<12)
144#define	TASK_FLAGS_CLEAR_TASK_SET	(1<<10)
145#define	TASK_FLAGS_ABORT_TASK_SET	(1<<9)
146
147#ifndef	MSG_ABORT
148#define	MSG_ABORT		0x06
149#endif
150#ifndef	MSG_BUS_DEV_RESET
151#define	MSG_BUS_DEV_RESET	0x0c
152#endif
153#ifndef	MSG_ABORT_TAG
154#define	MSG_ABORT_TAG		0x0d
155#endif
156#ifndef	MSG_CLEAR_QUEUE
157#define	MSG_CLEAR_QUEUE		0x0e
158#endif
159#ifndef	MSG_REL_RECOVERY
160#define	MSG_REL_RECOVERY	0x10
161#endif
162#ifndef	MSG_TERM_IO_PROC
163#define	MSG_TERM_IO_PROC	0x11
164#endif
165#ifndef	MSG_LUN_RESET
166#define	MSG_LUN_RESET		0x17
167#endif
168
169/*
170 * Notify Acknowledge Entry structure
171 */
172#define NA_RSVDLEN	22
173typedef struct {
174	isphdr_t	na_header;
175	u_int32_t	na_reserved;
176	u_int8_t	na_lun;		/* lun */
177	u_int8_t	na_iid;		/* initiator */
178	u_int8_t	na_reserved2;
179	u_int8_t	na_tgt;		/* target */
180	u_int32_t	na_flags;
181	u_int8_t	na_status;
182	u_int8_t	na_event;
183	u_int16_t	na_seqid;	/* sequence id */
184	u_int16_t	na_reserved3[NA_RSVDLEN];
185} na_entry_t;
186
187/*
188 * Value for the na_event field
189 */
190#define NA_RST_CLRD	0x80	/* Clear an async event notification */
191#define	NA_OK		0x01	/* Notify Acknowledge Succeeded */
192#define	NA_INVALID	0x06	/* Invalid Notify Acknowledge */
193
194#define	NA2_RSVDLEN	21
195typedef struct {
196	isphdr_t	na_header;
197	u_int32_t	na_reserved;
198	u_int8_t	na_lun;		/* lun */
199	u_int8_t	na_iid;		/* initiator */
200	u_int16_t	na_scclun;
201	u_int16_t	na_flags;
202	u_int16_t	na_reserved2;
203	u_int16_t	na_status;
204	u_int16_t	na_task_flags;
205	u_int16_t	na_seqid;	/* sequence id */
206	u_int16_t	na_reserved3[NA2_RSVDLEN];
207} na_fcentry_t;
208#define	NAFC_RCOUNT	0x80	/* increment resource count */
209#define NAFC_RST_CLRD	0x20	/* Clear LIP Reset */
210/*
211 * Accept Target I/O Entry structure
212 */
213#define ATIO_CDBLEN	26
214
215typedef struct {
216	isphdr_t	at_header;
217	u_int16_t	at_reserved;
218	u_int16_t	at_handle;
219	u_int8_t	at_lun;		/* lun */
220	u_int8_t	at_iid;		/* initiator */
221	u_int8_t	at_cdblen; 	/* cdb length */
222	u_int8_t	at_tgt;		/* target */
223	u_int32_t	at_flags;
224	u_int8_t	at_status;	/* firmware status */
225	u_int8_t	at_scsi_status;	/* scsi status */
226	u_int8_t	at_tag_val;	/* tag value */
227	u_int8_t	at_tag_type;	/* tag type */
228	u_int8_t	at_cdb[ATIO_CDBLEN];	/* received CDB */
229	u_int8_t	at_sense[QLTM_SENSELEN];/* suggested sense data */
230} at_entry_t;
231
232/*
233 * at_flags values
234 */
235#define AT_NODISC	0x00008000	/* disconnect disabled */
236#define AT_TQAE		0x00000002	/* Tagged Queue Action enabled */
237
238/*
239 * at_status values
240 */
241#define AT_PATH_INVALID	0x07	/* ATIO sent to firmware for disabled lun */
242#define	AT_RESET	0x0E	/* SCSI Bus Reset Occurred */
243#define AT_PHASE_ERROR	0x14	/* Bus phase sequence error */
244#define AT_NOCAP	0x16	/* Requested capability not available */
245#define AT_BDR_MSG	0x17	/* Bus Device Reset msg received */
246#define AT_CDB		0x3D	/* CDB received */
247/*
248 * Macros to create and fetch and test concatenated handle and tag value macros
249 */
250
251#define	AT_MAKE_TAGID(tid, inst, aep)					\
252	tid = aep->at_handle;						\
253	if (aep->at_flags & AT_TQAE) {					\
254		tid |= (aep->at_tag_val << 16);				\
255		tid |= (1 << 24);					\
256	}								\
257	tid |= (inst << 25)
258
259#define	CT_MAKE_TAGID(tid, inst, ct)					\
260	tid = ct->ct_fwhandle;						\
261	if (ct->ct_flags & CT_TQAE) {					\
262		tid |= (ct->ct_tag_val << 16);				\
263		tid |= (1 << 24);					\
264	}								\
265	tid |= (inst << 25)
266
267#define	AT_HAS_TAG(val)		((val) & (1 << 24))
268#define	AT_GET_TAG(val)		(((val) >> 16) & 0xff)
269#define	AT_GET_INST(val)	(((val) >> 25) & 0x7f)
270#define	AT_GET_HANDLE(val)	((val) & 0xffff)
271
272#define	IN_MAKE_TAGID(tid, inst, inp)					\
273	tid = inp->in_seqid;						\
274	tid |= (inp->in_tag_val << 16);					\
275	tid |= (1 << 24);						\
276	tid |= (inst << 25)
277
278#define	TAG_INSERT_INST(tid, inst)					\
279	tid &= ~(0x1ffffff);						\
280	tid |= (inst << 25)
281
282/*
283 * Accept Target I/O Entry structure, Type 2
284 */
285#define ATIO2_CDBLEN	16
286
287typedef struct {
288	isphdr_t	at_header;
289	u_int32_t	at_reserved;
290	u_int8_t	at_lun;		/* lun or reserved */
291	u_int8_t	at_iid;		/* initiator */
292	u_int16_t	at_rxid; 	/* response ID */
293	u_int16_t	at_flags;
294	u_int16_t	at_status;	/* firmware status */
295	u_int8_t	at_crn;		/* command reference number */
296	u_int8_t	at_taskcodes;
297	u_int8_t	at_taskflags;
298	u_int8_t	at_execodes;
299	u_int8_t	at_cdb[ATIO2_CDBLEN];	/* received CDB */
300	u_int32_t	at_datalen;		/* allocated data len */
301	u_int16_t	at_scclun;		/* SCC Lun or reserved */
302	u_int16_t	at_wwpn[4];		/* WWPN of initiator */
303	u_int16_t	at_reserved2[6];
304	u_int16_t	at_oxid;
305} at2_entry_t;
306
307#define	ATIO2_WWPN_OFFSET	0x2A
308#define	ATIO2_OXID_OFFSET	0x3E
309
310#define	ATIO2_TC_ATTR_MASK	0x7
311#define	ATIO2_TC_ATTR_SIMPLEQ	0
312#define	ATIO2_TC_ATTR_HEADOFQ	1
313#define	ATIO2_TC_ATTR_ORDERED	2
314#define	ATIO2_TC_ATTR_ACAQ	4
315#define	ATIO2_TC_ATTR_UNTAGGED	5
316
317#define	ATIO2_EX_WRITE		0x1
318#define	ATIO2_EX_READ		0x2
319/*
320 * Macros to create and fetch and test concatenated handle and tag value macros
321 */
322#define	AT2_MAKE_TAGID(tid, inst, aep)					\
323	tid = aep->at_rxid;						\
324	tid |= (inst << 16)
325
326#define	CT2_MAKE_TAGID(tid, inst, ct)					\
327	tid = ct->ct_rxid;						\
328	tid |= (inst << 16)
329
330#define	AT2_HAS_TAG(val)	1
331#define	AT2_GET_TAG(val)	((val) & 0xffff)
332#define	AT2_GET_INST(val)	((val) >> 16)
333#define	AT2_GET_HANDLE		AT2_GET_TAG
334
335#define	IN_FC_MAKE_TAGID(tid, inst, inp)				\
336	tid = inp->in_seqid;						\
337	tid |= (inst << 16)
338
339#define	FC_TAG_INSERT_INST(tid, inst)					\
340	tid &= ~0xffff;							\
341	tid |= (inst << 16)
342
343
344/*
345 * Continue Target I/O Entry structure
346 * Request from driver. The response from the
347 * ISP firmware is the same except that the last 18
348 * bytes are overwritten by suggested sense data if
349 * the 'autosense valid' bit is set in the status byte.
350 */
351typedef struct {
352	isphdr_t	ct_header;
353	u_int16_t	ct_reserved;
354#define	ct_syshandle	ct_reserved	/* we use this */
355	u_int16_t	ct_fwhandle;	/* required by f/w */
356	u_int8_t	ct_lun;	/* lun */
357	u_int8_t	ct_iid;	/* initiator id */
358	u_int8_t	ct_reserved2;
359	u_int8_t	ct_tgt;	/* our target id */
360	u_int32_t	ct_flags;
361	u_int8_t 	ct_status;	/* isp status */
362	u_int8_t 	ct_scsi_status;	/* scsi status */
363	u_int8_t 	ct_tag_val;	/* tag value */
364	u_int8_t 	ct_tag_type;	/* tag type */
365	u_int32_t	ct_xfrlen;	/* transfer length */
366	u_int32_t	ct_resid;	/* residual length */
367	u_int16_t	ct_timeout;
368	u_int16_t	ct_seg_count;
369	/*
370	 * This is so we can share tag name space with
371	 * CTIO{2,3,4} with the minimum of pain.
372	 */
373	union {
374		ispds_t		ct_a[ISP_RQDSEG];
375	} _u;
376#define	ct_dataseg	_u.ct_a
377} ct_entry_t;
378
379/*
380 * For some of the dual port SCSI adapters, port (bus #) is reported
381 * in the MSbit of ct_iid. Bit fields are a bit too awkward here.
382 *
383 * Note that this does not apply to FC adapters at all which can and
384 * do report IIDs between 129 && 255 (these represent devices that have
385 * logged in across a SCSI fabric).
386 */
387#define	GET_IID_VAL(x)		(x & 0x3f)
388#define	GET_BUS_VAL(x)		((x >> 7) & 0x1)
389#define	SET_IID_VAL(y, x)	y = ((y & ~0x3f) | (x & 0x3f))
390#define	SET_BUS_VAL(y, x)	y = ((y & 0x3f) | ((x & 0x1) << 7))
391
392/*
393 * ct_flags values
394 */
395#define CT_TQAE		0x00000002	/* bit  1, Tagged Queue Action enable */
396#define CT_DATA_IN	0x00000040	/* bits 6&7, Data direction */
397#define CT_DATA_OUT	0x00000080	/* bits 6&7, Data direction */
398#define CT_NO_DATA	0x000000C0	/* bits 6&7, Data direction */
399#define	CT_CCINCR	0x00000100	/* bit 8, autoincrement atio count */
400#define CT_DATAMASK	0x000000C0	/* bits 6&7, Data direction */
401#define	CT_INISYNCWIDE	0x00004000	/* bit 14, Do Sync/Wide Negotiation */
402#define CT_NODISC	0x00008000	/* bit 15, Disconnects disabled */
403#define CT_DSDP		0x01000000	/* bit 24, Disable Save Data Pointers */
404#define CT_SENDRDP	0x04000000	/* bit 26, Send Restore Pointers msg */
405#define CT_SENDSTATUS	0x80000000	/* bit 31, Send SCSI status byte */
406
407/*
408 * ct_status values
409 * - set by the firmware when it returns the CTIO
410 */
411#define CT_OK		0x01	/* completed without error */
412#define CT_ABORTED	0x02	/* aborted by host */
413#define CT_ERR		0x04	/* see sense data for error */
414#define CT_INVAL	0x06	/* request for disabled lun */
415#define CT_NOPATH	0x07	/* invalid ITL nexus */
416#define	CT_INVRXID	0x08	/* (FC only) Invalid RX_ID */
417#define	CT_DATA_OVER	0x09	/* (FC only) Data Overrun */
418#define CT_RSELTMO	0x0A	/* reselection timeout after 2 tries */
419#define CT_TIMEOUT	0x0B	/* timed out */
420#define CT_RESET	0x0E	/* SCSI Bus Reset occurred */
421#define	CT_PARITY	0x0F	/* Uncorrectable Parity Error */
422#define	CT_BUS_ERROR	0x10	/* (FC Only) DMA PCI Error */
423#define	CT_PANIC	0x13	/* Unrecoverable Error */
424#define CT_PHASE_ERROR	0x14	/* Bus phase sequence error */
425#define CT_BDR_MSG	0x17	/* Bus Device Reset msg received */
426#define	CT_DATA_UNDER	0x15	/* (FC only) Data Underrun */
427#define CT_TERMINATED	0x19	/* due to Terminate Transfer mbox cmd */
428#define	CT_PORTNOTAVAIL	0x28	/* port not available */
429#define	CT_LOGOUT	0x29	/* port logout */
430#define	CT_PORTCHANGED	0x2A	/* port changed */
431#define	CT_IDE		0x33	/* Initiator Detected Error */
432#define CT_NOACK	0x35	/* Outstanding Immed. Notify. entry */
433
434/*
435 * When the firmware returns a CTIO entry, it may overwrite the last
436 * part of the structure with sense data. This starts at offset 0x2E
437 * into the entry, which is in the middle of ct_dataseg[1]. Rather
438 * than define a new struct for this, I'm just using the sense data
439 * offset.
440 */
441#define CTIO_SENSE_OFFSET	0x2E
442
443/*
444 * Entry length in u_longs. All entries are the same size so
445 * any one will do as the numerator.
446 */
447#define UINT32_ENTRY_SIZE	(sizeof(at_entry_t)/sizeof(u_int32_t))
448
449/*
450 * QLA2100 CTIO (type 2) entry
451 */
452#define	MAXRESPLEN	26
453typedef struct {
454	isphdr_t	ct_header;
455	u_int16_t	ct_reserved;
456	u_int16_t	ct_fwhandle;	/* just to match CTIO */
457	u_int8_t	ct_lun;		/* lun */
458	u_int8_t	ct_iid;		/* initiator id */
459	u_int16_t	ct_rxid;	/* response ID */
460	u_int16_t	ct_flags;
461	u_int16_t 	ct_status;	/* isp status */
462	u_int16_t	ct_timeout;
463	u_int16_t	ct_seg_count;
464	u_int32_t	ct_reloff;	/* relative offset */
465	int32_t		ct_resid;	/* residual length */
466	union {
467		/*
468		 * The three different modes that the target driver
469		 * can set the CTIO{2,3,4} up as.
470		 *
471		 * The first is for sending FCP_DATA_IUs as well as
472		 * (optionally) sending a terminal SCSI status FCP_RSP_IU.
473		 *
474		 * The second is for sending SCSI sense data in an FCP_RSP_IU.
475		 * Note that no FCP_DATA_IUs will be sent.
476		 *
477		 * The third is for sending FCP_RSP_IUs as built specifically
478		 * in system memory as located by the isp_dataseg.
479		 */
480		struct {
481			u_int32_t _reserved;
482			u_int16_t _reserved2;
483			u_int16_t ct_scsi_status;
484			u_int32_t ct_xfrlen;
485			union {
486				ispds_t ct_a[ISP_RQDSEG_T2];	/* CTIO2 */
487				ispds64_t ct_b[ISP_RQDSEG_T3];	/* CTIO3 */
488				ispdslist_t ct_c;		/* CTIO4 */
489			} _u;
490#define	ct_dataseg	_u.ct_a
491#define	ct_dataseg64	_u.ct_b
492#define	ct_dslist	_u.ct_c
493		} m0;
494		struct {
495			u_int16_t _reserved;
496			u_int16_t _reserved2;
497			u_int16_t ct_senselen;
498			u_int16_t ct_scsi_status;
499			u_int16_t ct_resplen;
500			u_int8_t  ct_resp[MAXRESPLEN];
501		} m1;
502		struct {
503			u_int32_t _reserved;
504			u_int16_t _reserved2;
505			u_int16_t _reserved3;
506			u_int32_t ct_datalen;
507			ispds_t ct_fcp_rsp_iudata;
508		} m2;
509	} rsp;
510} ct2_entry_t;
511
512/*
513 * ct_flags values for CTIO2
514 */
515#define	CT2_FLAG_MMASK	0x0003
516#define	CT2_FLAG_MODE0	0x0000
517#define	CT2_FLAG_MODE1	0x0001
518#define	CT2_FLAG_MODE2	0x0002
519#define CT2_DATA_IN	CT_DATA_IN
520#define CT2_DATA_OUT	CT_DATA_OUT
521#define CT2_NO_DATA	CT_NO_DATA
522#define CT2_DATAMASK	CT_DATAMASK
523#define	CT2_CCINCR	0x0100
524#define	CT2_FASTPOST	0x0200
525#define	CT2_TERMINATE	0x4000
526#define CT2_SENDSTATUS	0x8000
527
528/*
529 * ct_status values are (mostly) the same as that for ct_entry.
530 */
531
532/*
533 * ct_scsi_status values- the low 8 bits are the normal SCSI status
534 * we know and love. The upper 8 bits are validity markers for FCP_RSP_IU
535 * fields.
536 */
537#define	CT2_RSPLEN_VALID	0x0100
538#define	CT2_SNSLEN_VALID	0x0200
539#define	CT2_DATA_OVER		0x0400
540#define	CT2_DATA_UNDER		0x0800
541
542/*
543 * Debug macros
544 */
545
546#define	ISP_TDQE(isp, msg, idx, arg)	\
547    if (isp->isp_dblev & ISP_LOGTDEBUG2) isp_print_qentry(isp, msg, idx, arg)
548
549/*
550 * The functions below are for the publicly available
551 * target mode functions that are internal to the Qlogic driver.
552 */
553
554/*
555 * This function handles new response queue entry appropriate for target mode.
556 */
557int isp_target_notify(struct ispsoftc *, void *, u_int16_t *);
558
559/*
560 * Enable/Disable/Modify a logical unit.
561 * (softc, cmd, bus, tgt, lun, cmd_cnt, inotify_cnt, opaque)
562 */
563#define	DFLT_CMND_CNT	0xfe	/* unmonitored */
564#define	DFLT_INOT_CNT	16
565int isp_lun_cmd(struct ispsoftc *, int, int, int, int, int, int, u_int32_t);
566
567/*
568 * General request queue 'put' routine for target mode entries.
569 */
570int isp_target_put_entry(struct ispsoftc *isp, void *);
571
572/*
573 * General routine to put back an ATIO entry-
574 * used for replenishing f/w resource counts.
575 * The argument is a pointer to a source ATIO
576 * or ATIO2.
577 */
578int isp_target_put_atio(struct ispsoftc *, void *);
579
580/*
581 * General routine to send a final CTIO for a command- used mostly for
582 * local responses.
583 */
584int isp_endcmd(struct ispsoftc *, void *, u_int32_t, u_int16_t);
585#define	ECMD_SVALID	0x100
586
587/*
588 * Handle an asynchronous event
589 *
590 * Return nonzero if the interrupt that generated this event has been dismissed.
591 */
592
593int isp_target_async(struct ispsoftc *, int, int);
594#endif	/* _ISP_TARGET_H */
595