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isp_target.h revision 1.6
      1 /* $NetBSD: isp_target.h,v 1.6 2000/07/19 22:19:23 mjacob Exp $ */
      2 /*
      3  * Qlogic Target Mode Structure and Flag Definitions
      4  *
      5  * Copyright (c) 1997, 1998
      6  * Patrick Stirling
      7  * pms (at) psconsult.com
      8  * All rights reserved.
      9  *
     10  * Additional Copyright (c) 1999
     11  * Matthew Jacob
     12  * mjacob (at) 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. Redistributions in binary form must reproduce the above copyright
     23  *    notice, this list of conditions and the following disclaimer in the
     24  *    documentation and/or other materials provided with the distribution.
     25  * 3. The name of the author may not be used to endorse or promote products
     26  *    derived from this software without specific prior written permission.
     27  *
     28  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     31  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
     32  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  * SUCH DAMAGE.
     37  *
     38  */
     39 #ifndef	_ISPTARGET_H
     40 #define	_ISPTARGET_H
     41 
     42 /*
     43  * Defines for all entry types
     44  */
     45 #define QLTM_SVALID	0x80
     46 #define	QLTM_SENSELEN	18
     47 
     48 /*
     49  * Structure for Enable Lun and Modify Lun queue entries
     50  */
     51 typedef struct {
     52 	isphdr_t	le_header;
     53 	u_int32_t	le_reserved;
     54 	u_int8_t	le_lun;
     55 	u_int8_t	le_rsvd;
     56 	u_int8_t	le_ops;		/* Modify LUN only */
     57 	u_int8_t	le_tgt;		/* Not for FC */
     58 	u_int32_t	le_flags;	/* Not for FC */
     59 	u_int8_t	le_status;
     60 	u_int8_t	le_reserved2;
     61 	u_int8_t	le_cmd_count;
     62 	u_int8_t	le_in_count;
     63 	u_int8_t	le_cdb6len;	/* Not for FC */
     64 	u_int8_t	le_cdb7len;	/* Not for FC */
     65 	u_int16_t	le_timeout;
     66 	u_int16_t	le_reserved3[20];
     67 } lun_entry_t;
     68 
     69 /*
     70  * le_flags values
     71  */
     72 #define LUN_TQAE	0x00000001	/* bit1  Tagged Queue Action Enable */
     73 #define LUN_DSSM	0x01000000	/* bit24 Disable Sending SDP Message */
     74 #define	LUN_DISAD	0x02000000	/* bit25 Disable autodisconnect */
     75 #define LUN_DM		0x40000000	/* bit30 Disconnects Mandatory */
     76 
     77 /*
     78  * le_ops values
     79  */
     80 #define LUN_CCINCR	0x01	/* increment command count */
     81 #define LUN_CCDECR	0x02	/* decrement command count */
     82 #define LUN_ININCR	0x40	/* increment immed. notify count */
     83 #define LUN_INDECR	0x80	/* decrement immed. notify count */
     84 
     85 /*
     86  * le_status values
     87  */
     88 #define	LUN_OK		0x01	/* we be rockin' */
     89 #define LUN_ERR		0x04	/* request completed with error */
     90 #define LUN_INVAL	0x06	/* invalid request */
     91 #define LUN_NOCAP	0x16	/* can't provide requested capability */
     92 #define LUN_ENABLED	0x3E	/* LUN already enabled */
     93 
     94 /*
     95  * Immediate Notify Entry structure
     96  */
     97 #define IN_MSGLEN	8	/* 8 bytes */
     98 #define IN_RSVDLEN	8	/* 8 words */
     99 typedef struct {
    100 	isphdr_t	in_header;
    101 	u_int32_t	in_reserved;
    102 	u_int8_t	in_lun;		/* lun */
    103 	u_int8_t	in_iid;		/* initiator */
    104 	u_int8_t	in_reserved2;
    105 	u_int8_t	in_tgt;		/* target */
    106 	u_int32_t	in_flags;
    107 	u_int8_t	in_status;
    108 	u_int8_t	in_rsvd2;
    109 	u_int8_t	in_tag_val;	/* tag value */
    110 	u_int8_t	in_tag_type;	/* tag type */
    111 	u_int16_t	in_seqid;	/* sequence id */
    112 	u_int8_t	in_msg[IN_MSGLEN];	/* SCSI message bytes */
    113 	u_int16_t	in_reserved3[IN_RSVDLEN];
    114 	u_int8_t	in_sense[QLTM_SENSELEN];/* suggested sense data */
    115 } in_entry_t;
    116 
    117 typedef struct {
    118 	isphdr_t	in_header;
    119 	u_int32_t	in_reserved;
    120 	u_int8_t	in_lun;		/* lun */
    121 	u_int8_t	in_iid;		/* initiator */
    122 	u_int16_t	in_scclun;
    123 	u_int32_t	in_reserved2;
    124 	u_int16_t	in_status;
    125 	u_int16_t	in_task_flags;
    126 	u_int16_t	in_seqid;	/* sequence id */
    127 } in_fcentry_t;
    128 
    129 /*
    130  * Values for the in_status field
    131  */
    132 #define	IN_REJECT	0x0D	/* Message Reject message received */
    133 #define IN_RESET	0x0E	/* Bus Reset occurred */
    134 #define IN_NO_RCAP	0x16	/* requested capability not available */
    135 #define IN_IDE_RECEIVED	0x33	/* Initiator Detected Error msg received */
    136 #define IN_RSRC_UNAVAIL	0x34	/* resource unavailable */
    137 #define IN_MSG_RECEIVED	0x36	/* SCSI message received */
    138 #define	IN_ABORT_TASK	0x20	/* task named in RX_ID is being aborted (FC) */
    139 #define	IN_PORT_LOGOUT	0x29	/* port has logged out (FC) */
    140 #define	IN_PORT_CHANGED	0x2A	/* port changed */
    141 #define	IN_GLOBAL_LOGO	0x2E	/* all ports logged out */
    142 #define	IN_NO_NEXUS	0x3B	/* Nexus not established */
    143 
    144 /*
    145  * Values for the in_task_flags field- should only get one at a time!
    146  */
    147 #define	TASK_FLAGS_ABORT_TASK		(1<<9)
    148 #define	TASK_FLAGS_CLEAR_TASK_SET	(1<<10)
    149 #define	TASK_FLAGS_TARGET_RESET		(1<<13)
    150 #define	TASK_FLAGS_CLEAR_ACA		(1<<14)
    151 #define	TASK_FLAGS_TERMINATE_TASK	(1<<15)
    152 
    153 #ifndef	MSG_ABORT_TAG
    154 #define	MSG_ABORT_TAG		0x06
    155 #endif
    156 #ifndef	MSG_CLEAR_QUEUE
    157 #define	MSG_CLEAR_QUEUE		0x0e
    158 #endif
    159 #ifndef	MSG_BUS_DEV_RESET
    160 #define	MSG_BUS_DEV_RESET	0x0b
    161 #endif
    162 #ifndef	MSG_REL_RECOVERY
    163 #define	MSG_REL_RECOVERY	0x10
    164 #endif
    165 #ifndef	MSG_TERM_IO_PROC
    166 #define	MSG_TERM_IO_PROC	0x11
    167 #endif
    168 
    169 
    170 /*
    171  * Notify Acknowledge Entry structure
    172  */
    173 #define NA_RSVDLEN	22
    174 typedef struct {
    175 	isphdr_t	na_header;
    176 	u_int32_t	na_reserved;
    177 	u_int8_t	na_lun;		/* lun */
    178 	u_int8_t	na_iid;		/* initiator */
    179 	u_int8_t	na_reserved2;
    180 	u_int8_t	na_tgt;		/* target */
    181 	u_int32_t	na_flags;
    182 	u_int8_t	na_status;
    183 	u_int8_t	na_event;
    184 	u_int16_t	na_seqid;	/* sequence id */
    185 	u_int16_t	na_reserved3[NA_RSVDLEN];
    186 } na_entry_t;
    187 
    188 /*
    189  * Value for the na_event field
    190  */
    191 #define NA_RST_CLRD	0x80	/* Clear an async event notification */
    192 #define	NA_OK		0x01	/* Notify Acknowledge Succeeded */
    193 #define	NA_INVALID	0x06	/* Invalid Notify Acknowledge */
    194 
    195 #define	NA2_RSVDLEN	21
    196 typedef struct {
    197 	isphdr_t	na_header;
    198 	u_int32_t	na_reserved;
    199 	u_int8_t	na_lun;		/* lun */
    200 	u_int8_t	na_iid;		/* initiator */
    201 	u_int16_t	na_scclun;
    202 	u_int16_t	na_flags;
    203 	u_int16_t	na_reserved2;
    204 	u_int16_t	na_status;
    205 	u_int16_t	na_task_flags;
    206 	u_int16_t	na_seqid;	/* sequence id */
    207 	u_int16_t	na_reserved3[NA2_RSVDLEN];
    208 } na_fcentry_t;
    209 #define	NAFC_RCOUNT	0x80	/* increment resource count */
    210 #define NAFC_RST_CLRD	0x20	/* Clear LIP Reset */
    211 /*
    212  * Accept Target I/O Entry structure
    213  */
    214 #define ATIO_CDBLEN	26
    215 
    216 typedef struct {
    217 	isphdr_t	at_header;
    218 	u_int32_t	at_reserved;
    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		0x00000001	/* 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 /*
    249  * Accept Target I/O Entry structure, Type 2
    250  */
    251 #define ATIO2_CDBLEN	16
    252 
    253 typedef struct {
    254 	isphdr_t	at_header;
    255 	u_int32_t	at_reserved;
    256 	u_int8_t	at_lun;		/* lun or reserved */
    257 	u_int8_t	at_iid;		/* initiator */
    258 	u_int16_t	at_rxid; 	/* response ID */
    259 	u_int16_t	at_flags;
    260 	u_int16_t	at_status;	/* firmware status */
    261 	u_int8_t	at_reserved1;
    262 	u_int8_t	at_taskcodes;
    263 	u_int8_t	at_taskflags;
    264 	u_int8_t	at_execodes;
    265 	u_int8_t	at_cdb[ATIO2_CDBLEN];	/* received CDB */
    266 	u_int32_t	at_datalen;		/* allocated data len */
    267 	u_int16_t	at_scclun;	/* SCC Lun or reserved */
    268 	u_int16_t	at_reserved2;
    269 	u_int16_t	at_scsi_status;
    270 	u_int8_t	at_sense[QLTM_SENSELEN];
    271 } at2_entry_t;
    272 
    273 #define	ATIO2_TC_ATTR_MASK	0x7
    274 #define	ATIO2_TC_ATTR_SIMPLEQ	0
    275 #define	ATIO2_TC_ATTR_HEADOFQ	1
    276 #define	ATIO2_TC_ATTR_ORDERED	2
    277 #define	ATIO2_TC_ATTR_ACAQ	4
    278 #define	ATIO2_TC_ATTR_UNTAGGED	5
    279 
    280 /*
    281  * Continue Target I/O Entry structure
    282  * Request from driver. The response from the
    283  * ISP firmware is the same except that the last 18
    284  * bytes are overwritten by suggested sense data if
    285  * the 'autosense valid' bit is set in the status byte.
    286  */
    287 typedef struct {
    288 	isphdr_t	ct_header;
    289 	u_int32_t	ct_reserved;
    290 	u_int8_t	ct_lun;	/* lun */
    291 	u_int8_t	ct_iid;	/* initiator id */
    292 	u_int8_t	ct_reserved2;
    293 	u_int8_t	ct_tgt;	/* our target id */
    294 	u_int32_t	ct_flags;
    295 	u_int8_t 	ct_status;	/* isp status */
    296 	u_int8_t 	ct_scsi_status;	/* scsi status */
    297 	u_int8_t 	ct_tag_val;	/* tag value */
    298 	u_int8_t 	ct_tag_type;	/* tag type */
    299 	u_int32_t	ct_xfrlen;	/* transfer length */
    300 	u_int32_t	ct_resid;	/* residual length */
    301 	u_int16_t	ct_timeout;
    302 	u_int16_t	ct_seg_count;
    303 	ispds_t		ct_dataseg[ISP_RQDSEG];
    304 } ct_entry_t;
    305 
    306 /*
    307  * For some of the dual port SCSI adapters, port (bus #) is reported
    308  * in the MSbit of ct_iid. Bit fields are a bit too awkward here.
    309  *
    310  * Note that this does not apply to FC adapters at all which can and
    311  * do report IIDs between 129 && 255 (these represent devices that have
    312  * logged in across a SCSI fabric).
    313  */
    314 #define	GET_IID_VAL(x)		(x & 0x3f)
    315 #define	GET_BUS_VAL(x)		((x >> 7) & 0x1)
    316 #define	SET_IID_VAL(y, x)	(y | (x & 0x3f))
    317 #define	SET_BUS_VAL(y, x)	(y | ((x & 0x1) << 7))
    318 
    319 /*
    320  * ct_flags values
    321  */
    322 #define CT_TQAE		0x00000001	/* bit  1, Tagged Queue Action enable */
    323 #define CT_DATA_IN	0x00000040	/* bits 6&7, Data direction */
    324 #define CT_DATA_OUT	0x00000080	/* bits 6&7, Data direction */
    325 #define CT_NO_DATA	0x000000C0	/* bits 6&7, Data direction */
    326 #define	CT_CCINCR	0x00000100	/* bit 8, autoincrement atio count */
    327 #define CT_DATAMASK	0x000000C0	/* bits 6&7, Data direction */
    328 #define	CT_INISYNCWIDE	0x00004000	/* bit 14, Do Sync/Wide Negotiation */
    329 #define CT_NODISC	0x00008000	/* bit 15, Disconnects disabled */
    330 #define CT_DSDP		0x01000000	/* bit 24, Disable Save Data Pointers */
    331 #define CT_SENDRDP	0x04000000	/* bit 26, Send Restore Pointers msg */
    332 #define CT_SENDSTATUS	0x80000000	/* bit 31, Send SCSI status byte */
    333 
    334 /*
    335  * ct_status values
    336  * - set by the firmware when it returns the CTIO
    337  */
    338 #define CT_OK		0x01	/* completed without error */
    339 #define CT_ABORTED	0x02	/* aborted by host */
    340 #define CT_ERR		0x04	/* see sense data for error */
    341 #define CT_INVAL	0x06	/* request for disabled lun */
    342 #define CT_NOPATH	0x07	/* invalid ITL nexus */
    343 #define	CT_INVRXID	0x08	/* (FC only) Invalid RX_ID */
    344 #define CT_RSELTMO	0x0A	/* reselection timeout after 2 tries */
    345 #define CT_TIMEOUT	0x0B	/* timed out */
    346 #define CT_RESET	0x0E	/* SCSI Bus Reset occurred */
    347 #define	CT_PARITY	0x0F	/* Uncorrectable Parity Error */
    348 #define	CT_PANIC	0x13	/* Unrecoverable Error */
    349 #define CT_PHASE_ERROR	0x14	/* Bus phase sequence error */
    350 #define CT_BDR_MSG	0x17	/* Bus Device Reset msg received */
    351 #define CT_TERMINATED	0x19	/* due to Terminate Transfer mbox cmd */
    352 #define	CT_PORTNOTAVAIL	0x28	/* port not available */
    353 #define	CT_LOGOUT	0x29	/* port logout */
    354 #define	CT_PORTCHANGED	0x2A	/* port changed */
    355 #define	CT_IDE		0x33	/* Initiator Detected Error */
    356 #define CT_NOACK	0x35	/* Outstanding Immed. Notify. entry */
    357 
    358 /*
    359  * When the firmware returns a CTIO entry, it may overwrite the last
    360  * part of the structure with sense data. This starts at offset 0x2E
    361  * into the entry, which is in the middle of ct_dataseg[1]. Rather
    362  * than define a new struct for this, I'm just using the sense data
    363  * offset.
    364  */
    365 #define CTIO_SENSE_OFFSET	0x2E
    366 
    367 /*
    368  * Entry length in u_longs. All entries are the same size so
    369  * any one will do as the numerator.
    370  */
    371 #define UINT32_ENTRY_SIZE	(sizeof(at_entry_t)/sizeof(u_int32_t))
    372 
    373 /*
    374  * QLA2100 CTIO (type 2) entry
    375  */
    376 #define	MAXRESPLEN	26
    377 typedef struct {
    378 	isphdr_t	ct_header;
    379 	u_int32_t	ct_reserved;
    380 	u_int8_t	ct_lun;	/* lun */
    381 	u_int8_t	ct_iid;	/* initiator id */
    382 	u_int16_t	ct_rxid; /* response ID */
    383 	u_int16_t	ct_flags;
    384 	u_int16_t 	ct_status;	/* isp status */
    385 	u_int16_t	ct_timeout;
    386 	u_int16_t	ct_seg_count;
    387 	u_int32_t	ct_reloff;	/* relative offset */
    388 	int32_t		ct_resid;	/* residual length */
    389 	union {
    390 		/*
    391 		 * The three different modes that the target driver
    392 		 * can set the CTIO2 up as.
    393 		 *
    394 		 * The first is for sending FCP_DATA_IUs as well as
    395 		 * (optionally) sending a terminal SCSI status FCP_RSP_IU.
    396 		 *
    397 		 * The second is for sending SCSI sense data in an FCP_RSP_IU.
    398 		 * Note that no FCP_DATA_IUs will be sent.
    399 		 *
    400 		 * The third is for sending FCP_RSP_IUs as built specifically
    401 		 * in system memory as located by the isp_dataseg.
    402 		 */
    403 		struct {
    404 			u_int32_t _reserved;
    405 			u_int16_t _reserved2;
    406 			u_int16_t ct_scsi_status;
    407 			u_int32_t ct_xfrlen;
    408 			ispds_t ct_dataseg[ISP_RQDSEG_T2];
    409 		} m0;
    410 		struct {
    411 			u_int16_t _reserved;
    412 			u_int16_t _reserved2;
    413 			u_int16_t ct_senselen;
    414 			u_int16_t ct_scsi_status;
    415 			u_int16_t ct_resplen;
    416 			u_int8_t  ct_resp[MAXRESPLEN];
    417 		} m1;
    418 		struct {
    419 			u_int32_t _reserved;
    420 			u_int16_t _reserved2;
    421 			u_int16_t _reserved3;
    422 			u_int32_t ct_datalen;
    423 			ispds_t ct_fcp_rsp_iudata;
    424 		} m2;
    425 		/*
    426 		 * CTIO2 returned from F/W...
    427 		 */
    428 		struct {
    429 			u_int32_t _reserved[4];
    430 			u_int16_t ct_scsi_status;
    431 			u_int8_t  ct_sense[QLTM_SENSELEN];
    432 		} fw;
    433 	} rsp;
    434 } ct2_entry_t;
    435 
    436 /*
    437  * ct_flags values for CTIO2
    438  */
    439 #define	CT2_FLAG_MMASK	0x0003
    440 #define	CT2_FLAG_MODE0	0x0000
    441 #define	CT2_FLAG_MODE1	0x0001
    442 #define	CT2_FLAG_MODE2	0x0002
    443 #define CT2_DATA_IN	CT_DATA_IN
    444 #define CT2_DATA_OUT	CT_DATA_OUT
    445 #define CT2_NO_DATA	CT_NO_DATA
    446 #define CT2_DATAMASK	CT_DATAMASK
    447 #define	CT2_CCINCR	0x0100
    448 #define	CT2_FASTPOST	0x0200
    449 #define CT2_SENDSTATUS	0x8000
    450 
    451 /*
    452  * ct_status values are (mostly) the same as that for ct_entry.
    453  */
    454 
    455 /*
    456  * ct_scsi_status values- the low 8 bits are the normal SCSI status
    457  * we know and love. The upper 8 bits are validity markers for FCP_RSP_IU
    458  * fields.
    459  */
    460 #define	CT2_RSPLEN_VALID	0x0100
    461 #define	CT2_SNSLEN_VALID	0x0200
    462 #define	CT2_DATA_OVER		0x0400
    463 #define	CT2_DATA_UNDER		0x0800
    464 
    465 /*
    466  * Macros for packing/unpacking the above structures
    467  */
    468 
    469 #ifdef	__sparc__
    470 #define	ISP_SBUS_SWOZZLE(isp, src, dest, taga, tagb)	\
    471 	if (isp->isp_bus == ISP_SBUS) {	\
    472 		source -> taga =  dest -> tagb;	\
    473 		source -> tagb =  dest -> taga;	\
    474 	} else { \
    475 		source -> taga =  dest -> taga;	\
    476 		source -> tagb =  dest -> taga;	\
    477 	}
    478 #else
    479 #define	ISP_SBUS_SWOZZLE(isp, src, dest, taga, tagb)	\
    480 		source -> taga =  dest -> taga;	\
    481 		source -> tagb =  dest -> taga;
    482 #endif
    483 
    484 #define	MCIDF(d, s)	if ((void *) d != (void *)s) MEMCPY(d, s, QENTRY_LEN)
    485 
    486 /* This is really only for SBus cards on a sparc */
    487 #ifdef	__sparc__
    488 #define	ISP_SWIZ_ATIO(isp, dest, vsrc)					\
    489 {									\
    490 	at_entry_t *source = (at_entry_t *) vsrc;			\
    491 	at_entry_t local, *vdst;					\
    492 	if ((void *)dest == (void *)vsrc) {				\
    493 		MEMCPY(vsrc, &local, sizeof (at_entry_t));		\
    494 		vdst = &local;						\
    495 	} else {							\
    496 		vdst = dest;						\
    497 	}								\
    498 	vdst->at_header = source->at_header;				\
    499 	vdst->at_reserved2 = source->at_reserved2;			\
    500 	ISP_SBUS_SWOZZLE(isp, source, vdst, at_lun, at_iid);		\
    501 	ISP_SBUS_SWOZZLE(isp, source, vdst, at_cdblen, at_tgt);		\
    502 	vdst->at_flags = source->at_flags;				\
    503 	ISP_SBUS_SWOZZLE(isp, source, vdst, at_status, at_scsi_status);	\
    504 	ISP_SBUS_SWOZZLE(isp, source, vdst, at_tag_val, at_tag_type);	\
    505 	MEMCPY(vdst->at_cdb, source->at_cdb, ATIO_CDBLEN);		\
    506 	MEMCPY(vdst->at_sense, source->at_sense, QLTM_SENSELEN);	\
    507 }
    508 
    509 #define	ISP_SWIZ_CTIO(isp, dest, vsrc)					\
    510 {									\
    511 	ct_entry_t *source = (ct_entry-t *) vsrc;			\
    512 	ct_entry_t *local, *vdst;					\
    513 	if ((void *)dest == (void *)vsrc) {				\
    514 		MEMCPY(vsrc, &local, sizeof (ct_entry_t));		\
    515 		vdst = &local;						\
    516 	} else {							\
    517 		vdst = dest;						\
    518 	}								\
    519 	vdst->ct_header = source->ct_header;				\
    520 	vdst->ct_reserved = source->ct_reserved;			\
    521 	ISP_SBUS_SWOZZLE(isp, source, vdst, ct_lun, ct_iid);		\
    522 	ISP_SBUS_SWOZZLE(isp, source, vdst, ct_rsvd, ct_tgt);		\
    523 	vdst->ct_flags = source->ct_flags;				\
    524 	ISP_SBUS_SWOZZLE(isp, source, vdst, ct_status, ct_scsi_status);	\
    525 	ISP_SBUS_SWOZZLE(isp, source, vdst, ct_tag_val, ct_tag_type);	\
    526 	vdst->ct_xfrlen = source->ct_xfrlen;				\
    527 	vdst->ct_resid = source->ct_resid;				\
    528 	vdst->ct_timeout = source->ct_timeout;				\
    529 	vdst->ct_seg_count = source->ct_seg_count;			\
    530 	MEMCPY(vdst->ct_cdb, source->ct_cdb, ATIO_CDBLEN);		\
    531 	MEMCPY(vdst->ct_sense, source->ct_sense, QLTM_SENSELEN);	\
    532 	vdst->ct_dataseg = source->ct_dataseg;				\
    533 }
    534 #define	ISP_SWIZ_ENABLE_LUN(isp, dest, vsrc)				\
    535 {									\
    536 	lun_entry_t *source = (lun_entry_t *)vsrc;			\
    537 	lun_entry_t *local, *vdst;					\
    538 	if ((void *)dest == (void *)vsrc) {				\
    539 		MEMCPY(vsrc, &local, sizeof (lun_entry_t));		\
    540 		vdst = &local;						\
    541 	} else {							\
    542 		vdst = dest;						\
    543 	}								\
    544 	vdst->le_header = source->le_header;				\
    545 	vdst->le_reserved2 = source->le_reserved2;			\
    546 	ISP_SBUS_SWOZZLE(isp, source, vdst, le_lun, le_rsvd);		\
    547 	ISP_SBUS_SWOZZLE(isp, source, vdst, le_ops, le_tgt);		\
    548 	vdst->le_flags = source->le_flags;				\
    549 	ISP_SBUS_SWOZZLE(isp, source, vdst, le_status, le_rsvd2);	\
    550 	ISP_SBUS_SWOZZLE(isp, source, vdst, le_cmd_count, le_in_count);	\
    551 	ISP_SBUS_SWOZZLE(isp, source, vdst, le_cdb6len, le_cdb7len);	\
    552 	vdst->le_timeout = source->le_timeout;				\
    553 	vdst->le_reserved = source->le_reserved;			\
    554 }
    555 #define	ISP_SWIZ_NOTIFY(isp, dest, vsrc)				\
    556 {									\
    557 	in_entry_type *source = (in_entry_t *)vsrc;			\
    558 	in_entry_t *local, *vdst;					\
    559 	if ((void *)dest == (void *)vsrc) {				\
    560 		MEMCPY(vsrc, &local, sizeof (in_entry_t));		\
    561 		vdst = &local;						\
    562 	} else {							\
    563 		vdst = dest;						\
    564 	}								\
    565 	vdst->in_header = source->in_header;				\
    566 	vdst->in_reserved2 = source->in_reserved2;			\
    567 	ISP_SBUS_SWOZZLE(isp, source, vdst, in_lun, in_iid);		\
    568 	ISP_SBUS_SWOZZLE(isp, source, vdst, in_rsvd, in_tgt);		\
    569 	vdst->in_flags = source->in_flags;				\
    570 	ISP_SBUS_SWOZZLE(isp, source, vdst, in_status, in_rsvd2);	\
    571 	ISP_SBUS_SWOZZLE(isp, source, vdst, in_tag_val, in_tag_type);	\
    572 	vdst->in_seqid = source->in_seqid;				\
    573 	MEMCPY(vdst->in_msg, source->in_msg, IN_MSGLEN);		\
    574 	MEMCPY(vdst->in_reserved, source->in_reserved, IN_RESERVED);	\
    575 	MEMCPY(vdst->in_sense, source->in_sense, QLTM_SENSELEN);	\
    576 }
    577 #define	ISP_SWIZ_NOT_ACK(isp, dest)					\
    578 {									\
    579 	na_entry_t *source = (na_entry_t *)vsrc;			\
    580 	na_entry_t *local, *vdst;					\
    581 	if ((void *)dest == (void *)vsrc) {				\
    582 		MEMCPY(vsrc, &local, sizeof (na_entry_t));		\
    583 		vdst = &local;						\
    584 	} else {							\
    585 		vdst = dest;						\
    586 	}								\
    587 	vdst->na_header = source->na_header;				\
    588 	vdst->na_reserved2 = source->na_reserved2;			\
    589 	ISP_SBUS_SWOZZLE(isp, source, vdst, na_lun, na_iid);		\
    590 	ISP_SBUS_SWOZZLE(isp, source, vdst, na_rsvd, na_tgt);		\
    591 	vdst->na_flags = source->na_flags;				\
    592 	ISP_SBUS_SWOZZLE(isp, source, vdst, na_status, na_event);	\
    593 	vdst->na_seqid = source->na_seqid;				\
    594 	MEMCPY(vdst->na_reserved, source->na_reserved, NA_RSVDLEN);	\
    595 }
    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 #else
    600 #define	ISP_SWIZ_ATIO(isp, d, s)	MCIDF(d, s)
    601 #define	ISP_SWIZ_CTIO(isp, d, s)	MCIDF(d, s)
    602 #define	ISP_SWIZ_ENABLE_LUN(isp, d, s)	MCIDF(d, s)
    603 #define	ISP_SWIZ_NOTIFY(isp, d, s)	MCIDF(d, s)
    604 #define	ISP_SWIZ_NOT_ACK(isp, d, s)	MCIDF(d, s)
    605 #define	ISP_SWIZ_NOT_ACK_FC(isp, d, s)	MCIDF(d, s)
    606 #define	ISP_SWIZ_ATIO2(isp, d, s)	MCIDF(d, s)
    607 #define	ISP_SWIZ_CTIO2(isp, d, s)	MCIDF(d, s)
    608 #endif
    609 
    610 /*
    611  * Debug macros
    612  */
    613 
    614 extern int isp_tdebug;
    615 #define	ISP_TDQE(isp, msg, idx, arg)	\
    616 	if (isp_tdebug > 3) isp_print_qentry(isp, msg, idx, arg)
    617 
    618 #define	ITDEBUG(level, msg)	if (isp_tdebug >= level) PRINTF msg
    619 
    620 /*
    621  * The functions below are target mode functions that
    622  * are generally internal to the Qlogic driver.
    623  */
    624 
    625 /*
    626  * This function handles new response queue entry appropriate for target mode.
    627  */
    628 int isp_target_notify __P((struct ispsoftc *, void *, u_int16_t *));
    629 
    630 /*
    631  * Enable/Disable/Modify a logical unit.
    632  */
    633 #define	DFLT_CMD_CNT	(RESULT_QUEUE_LEN >> 1)
    634 #define	DFLT_INOTIFY	(4)
    635 int isp_lun_cmd __P((struct ispsoftc *, int, int, int, int, u_int32_t));
    636 
    637 /*
    638  * General request queue 'put' routine for target mode entries.
    639  */
    640 int isp_target_put_entry __P((struct ispsoftc *isp, void *));
    641 
    642 /*
    643  * General routine to put back an ATIO entry-
    644  * used for replenishing f/w resource counts.
    645  */
    646 int
    647 isp_target_put_atio __P((struct ispsoftc *, int, int, int, int, int));
    648 
    649 /*
    650  * General routine to send a final CTIO for a command- used mostly for
    651  * local responses.
    652  */
    653 int
    654 isp_endcmd __P((struct ispsoftc *, void *, u_int32_t, u_int32_t));
    655 #define	ECMD_SVALID	0x100
    656 
    657 /*
    658  * Handle an asynchronous event
    659  */
    660 
    661 void isp_target_async __P((struct ispsoftc *, int, int));
    662 
    663 #endif	/* _ISPTARGET_H */
    664