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isp_target.h revision 1.16
      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 (at) 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 (at) psconsult.com
     36  * All rights reserved.
     37  *
     38  * Additional Copyright (c) 1999, 2000, 2001
     39  * Matthew Jacob
     40  * mjacob (at) 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