isp_target.h revision 57217
11590Srgrimes/* $FreeBSD: head/sys/dev/isp/isp_target.h 57217 2000-02-15 00:54:26Z mjacob $ */
21590Srgrimes/*
31590Srgrimes * Qlogic Target Mode Structure and Flag Definitions
41590Srgrimes *
51590Srgrimes * Copyright (c) 1997, 1998
61590Srgrimes * Patrick Stirling
71590Srgrimes * pms@psconsult.com
81590Srgrimes * All rights reserved.
91590Srgrimes *
101590Srgrimes * Additional Copyright (c) 1999
111590Srgrimes * Matthew Jacob
121590Srgrimes * mjacob@feral.com
131590Srgrimes * All rights reserved.
141590Srgrimes *
151590Srgrimes *
161590Srgrimes * Redistribution and use in source and binary forms, with or without
171590Srgrimes * modification, are permitted provided that the following conditions
181590Srgrimes * are met:
191590Srgrimes * 1. Redistributions of source code must retain the above copyright
201590Srgrimes *    notice immediately at the beginning of the file, without modification,
211590Srgrimes *    this list of conditions, and the following disclaimer.
221590Srgrimes * 2. Redistributions in binary form must reproduce the above copyright
231590Srgrimes *    notice, this list of conditions and the following disclaimer in the
241590Srgrimes *    documentation and/or other materials provided with the distribution.
251590Srgrimes * 3. The name of the author may not be used to endorse or promote products
261590Srgrimes *    derived from this software without specific prior written permission.
271590Srgrimes *
281590Srgrimes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
291590Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
3087675Smarkm * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
3187675Smarkm * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
3287675Smarkm * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
3387675Smarkm * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
341590Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
3528695Scharnier * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
361590Srgrimes * SUCH DAMAGE.
371590Srgrimes *
3887675Smarkm */
391590Srgrimes#ifndef	_ISPTARGET_H
401590Srgrimes#define	_ISPTARGET_H
4187675Smarkm
4228695Scharnier/*
431590Srgrimes * Defines for all entry types
441590Srgrimes */
451590Srgrimes#define QLTM_SVALID	0x80
461590Srgrimes#define	QLTM_SENSELEN	18
471590Srgrimes
481590Srgrimes/*
491590Srgrimes * Structure for Enable Lun and Modify Lun queue entries
501590Srgrimes */
511590Srgrimestypedef struct {
521590Srgrimes	isphdr_t	le_header;
5328695Scharnier	u_int32_t	le_reserved;
5428695Scharnier	u_int8_t	le_lun;
5573255Simp	u_int8_t	le_rsvd;
5625777Sache	u_int8_t	le_ops;		/* Modify LUN only */
571590Srgrimes	u_int8_t	le_tgt;		/* Not for FC */
581590Srgrimes	u_int32_t	le_flags;	/* Not for FC */
591590Srgrimes	u_int8_t	le_status;
601590Srgrimes	u_int8_t	le_reserved2;
611590Srgrimes	u_int8_t	le_cmd_count;
6229434Sache	u_int8_t	le_in_count;
631590Srgrimes	u_int8_t	le_cdb6len;	/* Not for FC */
64202200Sed	u_int8_t	le_cdb7len;	/* Not for FC */
65233269Sglebius	u_int16_t	le_timeout;
66233269Sglebius	u_int16_t	le_reserved3[20];
671590Srgrimes} lun_entry_t;
6883242Sdd
6983242Sdd/*
7073255Simp * le_flags values
7173255Simp */
721590Srgrimes#define LUN_TQAE	0x00000001	/* bit1  Tagged Queue Action Enable */
73227200Sed#define LUN_DSSM	0x01000000	/* bit24 Disable Sending SDP Message */
7473255Simp#define LUN_DM		0x40000000	/* bit30 Disconnects Mandatory */
7573255Simp
7673255Simp/*
7773255Simp * le_ops values
78227200Sed */
79227200Sed#define LUN_CCINCR	0x01	/* increment command count */
80227200Sed#define LUN_CCDECR	0x02	/* decrement command count */
811590Srgrimes#define LUN_ININCR	0x40	/* increment immed. notify count */
82155875Scognet#define LUN_INDECR	0x80	/* decrement immed. notify count */
83200156Sed
84155875Scognet/*
85155875Scognet * le_status values
86155875Scognet */
87155875Scognet#define	LUN_OK		0x01	/* we be rockin' */
88200156Sed#define LUN_ERR		0x04	/* request completed with error */
89155875Scognet#define LUN_INVAL	0x06	/* invalid request */
90155875Scognet#define LUN_NOCAP	0x16	/* can't provide requested capability */
91155875Scognet#define LUN_ENABLED	0x3E	/* LUN already enabled */
92155875Scognet
93155875Scognet/*
94155875Scognet * Immediate Notify Entry structure
951590Srgrimes */
9673255Simp#define IN_MSGLEN	8	/* 8 bytes */
971590Srgrimes#define IN_RSVDLEN	8	/* 8 words */
981590Srgrimestypedef struct {
99200156Sed	isphdr_t	in_header;
10073255Simp	u_int32_t	in_reserved;
10183082Sru	u_int8_t	in_lun;		/* lun */
10273255Simp	u_int8_t	in_iid;		/* initiator */
10373255Simp	u_int8_t	in_reserved2;
10483242Sdd	u_int8_t	in_tgt;		/* target */
10583242Sdd	u_int32_t	in_flags;
10673255Simp	u_int8_t	in_status;
1071590Srgrimes	u_int8_t	in_rsvd2;
10825777Sache	u_int8_t	in_tag_val;	/* tag value */
10925777Sache	u_int8_t	in_tag_type;	/* tag type */
11073255Simp	u_int16_t	in_seqid;	/* sequence id */
1111590Srgrimes	u_int8_t	in_msg[IN_MSGLEN];	/* SCSI message bytes */
1121590Srgrimes	u_int16_t	in_reserved3[IN_RSVDLEN];
1131590Srgrimes	u_int8_t	in_sense[QLTM_SENSELEN];/* suggested sense data */
1141590Srgrimes} in_entry_t;
1151590Srgrimes
1161590Srgrimestypedef struct {
11773255Simp	isphdr_t	in_header;
11873255Simp	u_int32_t	in_reserved;
11973255Simp	u_int8_t	in_lun;		/* lun */
12073255Simp	u_int8_t	in_iid;		/* initiator */
12173255Simp	u_int16_t	in_scclun;
12273255Simp	u_int32_t	in_reserved2;
12373255Simp	u_int16_t	in_status;
1241590Srgrimes	u_int16_t	in_task_flags;
1251590Srgrimes	u_int16_t	in_seqid;	/* sequence id */
12628695Scharnier} in_fcentry_t;
1271590Srgrimes
1281590Srgrimes/*
1291590Srgrimes * Values for the in_status field
1301590Srgrimes */
13128695Scharnier#define IN_RESET	0x0E	/* Bus Reset occurred */
1321590Srgrimes#define IN_NO_RCAP	0x16	/* requested capability not available */
13373255Simp#define IN_IDE_RECEIVED	0x33	/* Initiator Detected Error msg received */
13473255Simp#define IN_RSRC_UNAVAIL	0x34	/* resource unavailable */
13573320Simp#define IN_MSG_RECEIVED	0x36	/* SCSI message received */
13673255Simp#define	IN_ABORT_TASK	0x20	/* task named in RX_ID is being aborted (FC) */
13773320Simp#define	IN_PORT_LOGOUT	0x29	/* port has logged out (FC) */
13873320Simp#define	IN_PORT_CHANGED	0x2A	/* port changed */
13973255Simp#define	IN_GLOBAL_LOGO	0x2E	/* all ports logged out */
14073255Simp
1411590Srgrimes/*
1421590Srgrimes * Values for the in_task_flags field- should only get one at a time!
1431590Srgrimes */
1441590Srgrimes#define	TASK_FLAGS_ABORT_TASK		(1<<9)
1451590Srgrimes#define	TASK_FLAGS_CLEAR_TASK_SET	(1<<10)
146200156Sed#define	TASK_FLAGS_TARGET_RESET		(1<<13)
147200156Sed#define	TASK_FLAGS_CLEAR_ACA		(1<<14)
1481590Srgrimes#define	TASK_FLAGS_TERMINATE_TASK	(1<<15)
149200156Sed
150155875Scognet#ifndef	MSG_ABORT_TAG
15173255Simp#define	MSG_ABORT_TAG		0x06
15283082Sru#endif
153200156Sed#ifndef	MSG_CLEAR_QUEUE
15473255Simp#define	MSG_CLEAR_QUEUE		0x0e
15573255Simp#endif
15673255Simp#ifndef	MSG_BUS_DEV_RESET
15787675Smarkm#define	MSG_BUS_DEV_RESET	0x0b
15873255Simp#endif
15973255Simp#ifndef	MSG_REL_RECOVERY
16073255Simp#define	MSG_REL_RECOVERY	0x10
16183082Sru#endif
16283082Sru#ifndef	MSG_TERM_IO_PROC
163200156Sed#define	MSG_TERM_IO_PROC	0x11
16483082Sru#endif
16583082Sru
16683082Sru
16783082Sru/*
16883082Sru * Notify Acknowledge Entry structure
16973255Simp */
17073255Simp#define NA_RSVDLEN	22
17173255Simptypedef struct {
17273255Simp	isphdr_t	na_header;
173200156Sed	u_int32_t	na_reserved;
17428695Scharnier	u_int8_t	na_lun;		/* lun */
1751590Srgrimes	u_int8_t	na_iid;		/* initiator */
1761590Srgrimes	u_int8_t	na_reserved2;
1771590Srgrimes	u_int8_t	na_tgt;		/* target */
1781590Srgrimes	u_int32_t	na_flags;
17928695Scharnier	u_int8_t	na_status;
180201224Sed	u_int8_t	na_event;
18128695Scharnier	u_int16_t	na_seqid;	/* sequence id */
18273320Simp	u_int16_t	na_reserved3[NA_RSVDLEN];
18328695Scharnier} na_entry_t;
18428695Scharnier
18528695Scharnier/*
1861590Srgrimes * Value for the na_event field
18773255Simp */
1881590Srgrimes#define NA_RST_CLRD	0x80	/* Clear an async event notification */
18973255Simp
190233269Sglebius#define	NA2_RSVDLEN	21
1911590Srgrimestypedef struct {
1921590Srgrimes	isphdr_t	na_header;
1931590Srgrimes	u_int32_t	na_reserved;
19429434Sache	u_int8_t	na_lun;		/* lun */
1951590Srgrimes	u_int8_t	na_iid;		/* initiator */
1961590Srgrimes	u_int16_t	na_scclun;
197233269Sglebius	u_int16_t	na_flags;
198233269Sglebius	u_int16_t	na_reserved2;
19987675Smarkm	u_int16_t	na_status;
20069231Skris	u_int16_t	na_task_flags;
20176367Skris	u_int16_t	na_seqid;	/* sequence id */
2021590Srgrimes	u_int16_t	na_reserved3[NA2_RSVDLEN];
20369231Skris} na_fcentry_t;
20469231Skris#define	NAFC_RCOUNT	0x80	/* increment resource count */
20569231Skris#define NAFC_RST_CLRD	0x20	/* Clear LIP Reset */
2061590Srgrimes/*
2071590Srgrimes * Accept Target I/O Entry structure
2081590Srgrimes */
20969231Skris#define ATIO_CDBLEN	26
21069231Skris
21166557Sn_hibmatypedef struct {
21266557Sn_hibma	isphdr_t	at_header;
2131590Srgrimes	u_int32_t	at_reserved;
2141590Srgrimes	u_int8_t	at_lun;		/* lun */
2151590Srgrimes	u_int8_t	at_iid;		/* initiator */
2161590Srgrimes	u_int8_t	at_cdblen; 	/* cdb length */
2171590Srgrimes	u_int8_t	at_tgt;		/* target */
2181590Srgrimes	u_int32_t	at_flags;
2191590Srgrimes	u_int8_t	at_status;	/* firmware status */
2201590Srgrimes	u_int8_t	at_scsi_status;	/* scsi status */
2211590Srgrimes	u_int8_t	at_tag_val;	/* tag value */
2221590Srgrimes	u_int8_t	at_tag_type;	/* tag type */
2231590Srgrimes	u_int8_t	at_cdb[ATIO_CDBLEN];	/* received CDB */
2241590Srgrimes	u_int8_t	at_sense[QLTM_SENSELEN];/* suggested sense data */
2251590Srgrimes} at_entry_t;
226233269Sglebius
227233269Sglebius/*
228233269Sglebius * at_flags values
2291590Srgrimes */
230233269Sglebius#define AT_NODISC	0x00008000	/* disconnect disabled */
231233269Sglebius#define AT_TQAE		0x00000001	/* Tagged Queue Action enabled */
232233269Sglebius
23363909Sasmodai/*
234233269Sglebius * at_status values
2351590Srgrimes */
236233269Sglebius#define AT_PATH_INVALID	0x07	/* ATIO sent to firmware for disabled lun */
2371590Srgrimes#define	AT_RESET	0x0E	/* SCSI Bus Reset Occurred */
23876367Skris#define AT_PHASE_ERROR	0x14	/* Bus phase sequence error */
23976367Skris#define AT_NOCAP	0x16	/* Requested capability not available */
24076367Skris#define AT_BDR_MSG	0x17	/* Bus Device Reset msg received */
241233269Sglebius#define AT_CDB		0x3D	/* CDB received */
24276367Skris
243241848Seadler/*
244241848Seadler * Accept Target I/O Entry structure, Type 2
24576367Skris */
246223940Sobrien#define ATIO2_CDBLEN	16
247233269Sglebius
248233269Sglebiustypedef struct {
249233269Sglebius	isphdr_t	at_header;
250233269Sglebius	u_int32_t	at_reserved;
25150776Sdbaker	u_int8_t	at_lun;		/* lun or reserved */
252175346Sdas	u_int8_t	at_iid;		/* initiator */
253233269Sglebius	u_int16_t	at_rxid; 	/* response ID */
2541590Srgrimes	u_int16_t	at_flags;
255233269Sglebius	u_int16_t	at_status;	/* firmware status */
256233269Sglebius	u_int8_t	at_reserved1;
257233269Sglebius	u_int8_t	at_taskcodes;
258175346Sdas	u_int8_t	at_taskflags;
259175346Sdas	u_int8_t	at_execodes;
260175346Sdas	u_int8_t	at_cdb[ATIO2_CDBLEN];	/* received CDB */
261233269Sglebius	u_int32_t	at_datalen;		/* allocated data len */
262233269Sglebius	u_int16_t	at_scclun;	/* SCC Lun or reserved */
2631590Srgrimes	u_int16_t	at_reserved2;
264175346Sdas	u_int16_t	at_scsi_status;
265233269Sglebius	u_int8_t	at_sense[QLTM_SENSELEN];
266233269Sglebius} at2_entry_t;
267233269Sglebius
268233269Sglebius#define	ATIO2_TC_ATTR_MASK	0x7
269233269Sglebius#define	ATIO2_TC_ATTR_SIMPLEQ	0
270233269Sglebius#define	ATIO2_TC_ATTR_HEADOFQ	1
27129434Sache#define	ATIO2_TC_ATTR_ORDERED	2
272233269Sglebius#define	ATIO2_TC_ATTR_ACAQ	4
273233269Sglebius#define	ATIO2_TC_ATTR_UNTAGGED	5
27429434Sache
27529434Sache/*
27624729Sache * Continue Target I/O Entry structure
277233269Sglebius * Request from driver. The response from the
27829434Sache * ISP firmware is the same except that the last 18
2791590Srgrimes * bytes are overwritten by suggested sense data if
280175346Sdas * the 'autosense valid' bit is set in the status byte.
281233269Sglebius */
2821590Srgrimestypedef struct {
2831590Srgrimes	isphdr_t	ct_header;
28428695Scharnier	u_int32_t	ct_reserved;
28569231Skris	u_int8_t	ct_lun;	/* lun */
2861590Srgrimes	u_int8_t	ct_iid;	/* initiator id */
28728695Scharnier	u_int8_t	ct_reserved2;
28869231Skris	u_int8_t	ct_tgt;	/* our target id */
28987675Smarkm	u_int32_t	ct_flags;
29069231Skris	u_int8_t 	ct_status;	/* isp status */
2911590Srgrimes	u_int8_t 	ct_scsi_status;	/* scsi status */
2921590Srgrimes	u_int8_t 	ct_tag_val;	/* tag value */
293	u_int8_t 	ct_tag_type;	/* tag type */
294	u_int32_t	ct_xfrlen;	/* transfer length */
295	u_int32_t	ct_resid;	/* residual length */
296	u_int16_t	ct_timeout;
297	u_int16_t	ct_seg_count;
298	ispds_t		ct_dataseg[ISP_RQDSEG];
299} ct_entry_t;
300
301/*
302 * For some of the dual port SCSI adapters, port (bus #) is reported
303 * in the MSbit of ct_iid. Bit fields are a bit too awkward here.
304 *
305 * Note that this does not apply to FC adapters at all which can and
306 * do report IIDs between 129 && 255 (these represent devices that have
307 * logged in across a SCSI fabric).
308 */
309#define	GET_IID_VAL(x)		(x & 0x3f)
310#define	GET_BUS_VAL(x)		((x >> 7) & 0x1)
311#define	SET_IID_VAL(y, x)	(y | (x & 0x3f))
312#define	SET_BUS_VAL(y, x)	(y | ((x & 0x1) << 7))
313
314/*
315 * ct_flags values
316 */
317#define CT_TQAE		0x00000001	/* bit  1, Tagged Queue Action enable */
318#define CT_DATA_IN	0x00000040	/* bits 6&7, Data direction */
319#define CT_DATA_OUT	0x00000080	/* bits 6&7, Data direction */
320#define CT_NO_DATA	0x000000C0	/* bits 6&7, Data direction */
321#define	CT_CCINCR	0x00000100	/* bit 8, autoincrement atio count */
322#define CT_DATAMASK	0x000000C0	/* bits 6&7, Data direction */
323#define CT_NODISC	0x00008000	/* bit 15, Disconnects disabled */
324#define CT_DSDP		0x01000000	/* bit 24, Disable Save Data Pointers */
325#define CT_SENDRDP	0x04000000	/* bit 26, Send Restore Pointers msg */
326#define CT_SENDSTATUS	0x80000000	/* bit 31, Send SCSI status byte */
327
328/*
329 * ct_status values
330 * - set by the firmware when it returns the CTIO
331 */
332#define CT_OK		0x01	/* completed without error */
333#define CT_ABORTED	0x02	/* aborted by host */
334#define CT_ERR		0x04	/* see sense data for error */
335#define CT_INVAL	0x06	/* request for disabled lun */
336#define CT_NOPATH	0x07	/* invalid ITL nexus */
337#define	CT_INVRXID	0x08	/* (FC only) Invalid RX_ID */
338#define CT_RSELTMO	0x0A	/* reselection timeout after 2 tries */
339#define CT_TIMEOUT	0x0B	/* timed out */
340#define CT_RESET	0x0E	/* SCSI Bus Reset occurred */
341#define CT_PHASE_ERROR	0x14	/* Bus phase sequence error */
342#define CT_BDR_MSG	0x17	/* Bus Device Reset msg received */
343#define CT_TERMINATED	0x19	/* due to Terminate Transfer mbox cmd */
344#define	CT_PORTNOTAVAIL	0x28	/* port not available */
345#define	CT_LOGOUT	0x29	/* port logout */
346#define	CT_PORTCHANGED	0x2A	/* port changed */
347#define CT_NOACK	0x35	/* Outstanding Immed. Notify. entry */
348
349/*
350 * When the firmware returns a CTIO entry, it may overwrite the last
351 * part of the structure with sense data. This starts at offset 0x2E
352 * into the entry, which is in the middle of ct_dataseg[1]. Rather
353 * than define a new struct for this, I'm just using the sense data
354 * offset.
355 */
356#define CTIO_SENSE_OFFSET	0x2E
357
358/*
359 * Entry length in u_longs. All entries are the same size so
360 * any one will do as the numerator.
361 */
362#define UINT32_ENTRY_SIZE	(sizeof(at_entry_t)/sizeof(u_int32_t))
363
364/*
365 * QLA2100 CTIO (type 2) entry
366 */
367#define	MAXRESPLEN	26
368typedef struct {
369	isphdr_t	ct_header;
370	u_int32_t	ct_reserved;
371	u_int8_t	ct_lun;	/* lun */
372	u_int8_t	ct_iid;	/* initiator id */
373	u_int16_t	ct_rxid; /* response ID */
374	u_int16_t	ct_flags;
375	u_int16_t 	ct_status;	/* isp status */
376	u_int16_t	ct_timeout;
377	u_int16_t	ct_seg_count;
378	u_int32_t	ct_reloff;	/* relative offset */
379	int32_t		ct_resid;	/* residual length */
380	union {
381		/*
382		 * The three different modes that the target driver
383		 * can set the CTIO2 up as.
384		 *
385		 * The first is for sending FCP_DATA_IUs as well as
386		 * (optionally) sending a terminal SCSI status FCP_RSP_IU.
387		 *
388		 * The second is for sending SCSI sense data in an FCP_RSP_IU.
389		 * Note that no FCP_DATA_IUs will be sent.
390		 *
391		 * The third is for sending FCP_RSP_IUs as built specifically
392		 * in system memory as located by the isp_dataseg.
393		 */
394		struct {
395			u_int32_t _reserved;
396			u_int16_t _reserved2;
397			u_int16_t ct_scsi_status;
398			u_int32_t ct_xfrlen;
399			ispds_t ct_dataseg[ISP_RQDSEG_T2];
400		} m0;
401		struct {
402			u_int16_t _reserved;
403			u_int16_t _reserved2;
404			u_int16_t ct_senselen;
405			u_int16_t ct_scsi_status;
406			u_int16_t ct_resplen;
407			u_int8_t  ct_resp[MAXRESPLEN];
408		} m1;
409		struct {
410			u_int32_t _reserved;
411			u_int16_t _reserved2;
412			u_int16_t _reserved3;
413			u_int32_t ct_datalen;
414			ispds_t ct_fcp_rsp_iudata;
415		} m2;
416		/*
417		 * CTIO2 returned from F/W...
418		 */
419		struct {
420			u_int32_t _reserved[4];
421			u_int16_t ct_scsi_status;
422			u_int8_t  ct_sense[QLTM_SENSELEN];
423		} fw;
424	} rsp;
425} ct2_entry_t;
426
427/*
428 * ct_flags values for CTIO2
429 */
430#define	CT2_FLAG_MMASK	0x0003
431#define	CT2_FLAG_MODE0	0x0000
432#define	CT2_FLAG_MODE1	0x0001
433#define	CT2_FLAG_MODE2	0x0002
434#define CT2_DATA_IN	CT_DATA_IN
435#define CT2_DATA_OUT	CT_DATA_OUT
436#define CT2_NO_DATA	CT_NO_DATA
437#define CT2_DATAMASK	CT_DATAMASK
438#define	CT2_CCINCR	0x0100
439#define	CT2_FASTPOST	0x0200
440#define CT2_SENDSTATUS	0x8000
441
442/*
443 * ct_status values are (mostly) the same as that for ct_entry.
444 */
445
446/*
447 * ct_scsi_status values- the low 8 bits are the normal SCSI status
448 * we know and love. The upper 8 bits are validity markers for FCP_RSP_IU
449 * fields.
450 */
451#define	CT2_RSPLEN_VALID	0x0100
452#define	CT2_SNSLEN_VALID	0x0200
453#define	CT2_DATA_OVER		0x0400
454#define	CT2_DATA_UNDER		0x0800
455
456/*
457 * Macros for packing/unpacking the above structures
458 */
459
460#ifdef	__sparc__
461#define	ISP_SBUS_SWOZZLE(isp, src, dest, taga, tagb)	\
462	if (isp->isp_bus == ISP_SBUS) {	\
463		source -> taga =  dest -> tagb;	\
464		source -> tagb =  dest -> taga;	\
465	} else { \
466		source -> taga =  dest -> taga;	\
467		source -> tagb =  dest -> taga;	\
468	}
469#else
470#define	ISP_SBUS_SWOZZLE(isp, src, dest, taga, tagb)	\
471		source -> taga =  dest -> taga;	\
472		source -> tagb =  dest -> taga;
473#endif
474
475#define	MCIDF(d, s)	if ((void *) d != (void *)s) MEMCPY(d, s, QENTRY_LEN)
476
477/* This is really only for SBus cards on a sparc */
478#ifdef	__sparc__
479#define	ISP_SWIZ_ATIO(isp, dest, vsrc)					\
480{									\
481	at_entry_t *source = (at_entry_t *) vsrc;			\
482	at_entry_t local, *vdst;					\
483	if ((void *)dest == (void *)vsrc) {				\
484		MEMCPY(vsrc, &local, sizeof (at_entry_t));		\
485		vdst = &local;						\
486	} else {							\
487		vdst = dest;						\
488	}								\
489	vdst->at_header = source->at_header;				\
490	vdst->at_reserved2 = source->at_reserved2;			\
491	ISP_SBUS_SWOZZLE(isp, source, vdst, at_lun, at_iid);		\
492	ISP_SBUS_SWOZZLE(isp, source, vdst, at_cdblen, at_tgt);		\
493	vdst->at_flags = source->at_flags;				\
494	ISP_SBUS_SWOZZLE(isp, source, vdst, at_status, at_scsi_status);	\
495	ISP_SBUS_SWOZZLE(isp, source, vdst, at_tag_val, at_tag_type);	\
496	MEMCPY(vdst->at_cdb, source->at_cdb, ATIO_CDBLEN);		\
497	MEMCPY(vdst->at_sense, source->at_sense, QLTM_SENSELEN);	\
498}
499
500#define	ISP_SWIZ_CTIO(isp, dest, vsrc)					\
501{									\
502	ct_entry_t *source = (ct_entry-t *) vsrc;			\
503	ct_entry_t *local, *vdst;					\
504	if ((void *)dest == (void *)vsrc) {				\
505		MEMCPY(vsrc, &local, sizeof (ct_entry_t));		\
506		vdst = &local;						\
507	} else {							\
508		vdst = dest;						\
509	}								\
510	vdst->ct_header = source->ct_header;				\
511	vdst->ct_reserved = source->ct_reserved;			\
512	ISP_SBUS_SWOZZLE(isp, source, vdst, ct_lun, ct_iid);		\
513	ISP_SBUS_SWOZZLE(isp, source, vdst, ct_rsvd, ct_tgt);		\
514	vdst->ct_flags = source->ct_flags;				\
515	ISP_SBUS_SWOZZLE(isp, source, vdst, ct_status, ct_scsi_status);	\
516	ISP_SBUS_SWOZZLE(isp, source, vdst, ct_tag_val, ct_tag_type);	\
517	vdst->ct_xfrlen = source->ct_xfrlen;				\
518	vdst->ct_resid = source->ct_resid;				\
519	vdst->ct_timeout = source->ct_timeout;				\
520	vdst->ct_seg_count = source->ct_seg_count;			\
521	MEMCPY(vdst->ct_cdb, source->ct_cdb, ATIO_CDBLEN);		\
522	MEMCPY(vdst->ct_sense, source->ct_sense, QLTM_SENSELEN);	\
523	vdst->ct_dataseg = source->ct_dataseg;				\
524}
525#define	ISP_SWIZ_ENABLE_LUN(isp, dest, vsrc)				\
526{									\
527	lun_entry_t *source = (lun_entry_t *)vsrc;			\
528	lun_entry_t *local, *vdst;					\
529	if ((void *)dest == (void *)vsrc) {				\
530		MEMCPY(vsrc, &local, sizeof (lun_entry_t));		\
531		vdst = &local;						\
532	} else {							\
533		vdst = dest;						\
534	}								\
535	vdst->le_header = source->le_header;				\
536	vdst->le_reserved2 = source->le_reserved2;			\
537	ISP_SBUS_SWOZZLE(isp, source, vdst, le_lun, le_rsvd);		\
538	ISP_SBUS_SWOZZLE(isp, source, vdst, le_ops, le_tgt);		\
539	vdst->le_flags = source->le_flags;				\
540	ISP_SBUS_SWOZZLE(isp, source, vdst, le_status, le_rsvd2);	\
541	ISP_SBUS_SWOZZLE(isp, source, vdst, le_cmd_count, le_in_count);	\
542	ISP_SBUS_SWOZZLE(isp, source, vdst, le_cdb6len, le_cdb7len);	\
543	vdst->le_timeout = source->le_timeout;				\
544	vdst->le_reserved = source->le_reserved;			\
545}
546#define	ISP_SWIZ_NOTIFY(isp, dest, vsrc)				\
547{									\
548	in_entry_type *source = (in_entry_t *)vsrc;			\
549	in_entry_t *local, *vdst;					\
550	if ((void *)dest == (void *)vsrc) {				\
551		MEMCPY(vsrc, &local, sizeof (in_entry_t));		\
552		vdst = &local;						\
553	} else {							\
554		vdst = dest;						\
555	}								\
556	vdst->in_header = source->in_header;				\
557	vdst->in_reserved2 = source->in_reserved2;			\
558	ISP_SBUS_SWOZZLE(isp, source, vdst, in_lun, in_iid);		\
559	ISP_SBUS_SWOZZLE(isp, source, vdst, in_rsvd, in_tgt);		\
560	vdst->in_flags = source->in_flags;				\
561	ISP_SBUS_SWOZZLE(isp, source, vdst, in_status, in_rsvd2);	\
562	ISP_SBUS_SWOZZLE(isp, source, vdst, in_tag_val, in_tag_type);	\
563	vdst->in_seqid = source->in_seqid;				\
564	MEMCPY(vdst->in_msg, source->in_msg, IN_MSGLEN);		\
565	MEMCPY(vdst->in_reserved, source->in_reserved, IN_RESERVED);	\
566	MEMCPY(vdst->in_sense, source->in_sense, QLTM_SENSELEN);	\
567}
568#define	ISP_SWIZ_NOT_ACK(isp, dest)					\
569{									\
570	na_entry_t *source = (na_entry_t *)vsrc;			\
571	na_entry_t *local, *vdst;					\
572	if ((void *)dest == (void *)vsrc) {				\
573		MEMCPY(vsrc, &local, sizeof (na_entry_t));		\
574		vdst = &local;						\
575	} else {							\
576		vdst = dest;						\
577	}								\
578	vdst->na_header = source->na_header;				\
579	vdst->na_reserved2 = source->na_reserved2;			\
580	ISP_SBUS_SWOZZLE(isp, source, vdst, na_lun, na_iid);		\
581	ISP_SBUS_SWOZZLE(isp, source, vdst, na_rsvd, na_tgt);		\
582	vdst->na_flags = source->na_flags;				\
583	ISP_SBUS_SWOZZLE(isp, source, vdst, na_status, na_event);	\
584	vdst->na_seqid = source->na_seqid;				\
585	MEMCPY(vdst->na_reserved, source->na_reserved, NA_RSVDLEN);	\
586}
587#define	ISP_SWIZ_NOT_ACK_FC(isp, d, s)	MCIDF(d, s)
588#define	ISP_SWIZ_ATIO2(isp, d, s)	MCIDF(d, s)
589#define	ISP_SWIZ_CTIO2(isp, d, s)	MCIDF(d, s)
590#else
591#define	ISP_SWIZ_ATIO(isp, d, s)	MCIDF(d, s)
592#define	ISP_SWIZ_CTIO(isp, d, s)	MCIDF(d, s)
593#define	ISP_SWIZ_ENABLE_LUN(isp, d, s)	MCIDF(d, s)
594#define	ISP_SWIZ_NOTIFY(isp, d, s)	MCIDF(d, s)
595#define	ISP_SWIZ_NOT_ACK(isp, d, s)	MCIDF(d, s)
596#define	ISP_SWIZ_NOT_ACK_FC(isp, d, s)	MCIDF(d, s)
597#define	ISP_SWIZ_ATIO2(isp, d, s)	MCIDF(d, s)
598#define	ISP_SWIZ_CTIO2(isp, d, s)	MCIDF(d, s)
599#endif
600
601/*
602 * Debug macros
603 */
604
605extern int isp_tdebug;
606#define	ISP_TDQE(isp, msg, idx, arg)	\
607	if (isp_tdebug > 3) isp_print_qentry(isp, msg, idx, arg)
608
609#define	ITDEBUG(level, msg)	if (isp_tdebug >= level) PRINTF msg
610
611/*
612 * The functions below are target mode functions that
613 * are generally internal to the Qlogic driver.
614 */
615
616/*
617 * This function handles new response queue entry appropriate for target mode.
618 */
619int isp_target_notify __P((struct ispsoftc *, void *, u_int16_t *));
620
621/*
622 * Enable/Disable/Modify a logical unit.
623 */
624#define	DFLT_CMD_CNT	(RESULT_QUEUE_LEN >> 1)
625#define	DFLT_INOTIFY	(4)
626int isp_lun_cmd __P((struct ispsoftc *isp, int, int, int, int, u_int32_t));
627
628/*
629 * General request queue 'put' routine for target mode entries.
630 */
631int isp_target_put_entry __P((struct ispsoftc *isp, void *));
632
633/*
634 * General routine to put back an ATIO entry-
635 * used for replenishing f/w resource counts.
636 */
637int
638isp_target_put_atio __P((struct ispsoftc *isp, int, int, int, int, int));
639
640/*
641 * General routine to send a final CTIO for a command- used mostly for
642 * local responses.
643 */
644int
645isp_endcmd __P((struct ispsoftc *isp, void *, u_int32_t, u_int32_t));
646#define	ECMD_SVALID	0x100
647
648/*
649 * Handle an asynchronous event
650 */
651
652void isp_target_async __P((struct ispsoftc *, int, int));
653
654#endif	/* _ISPTARGET_H */
655