Home | History | Annotate | Line # | Download | only in ic
isp_target.h revision 1.20
      1 /* $NetBSD: isp_target.h,v 1.20 2003/08/07 01:12:16 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 #define	QLTM_SENSELEN	18	/* non-FC cards only */
     68 #define QLTM_SVALID	0x80
     69 
     70 /*
     71  * Structure for Enable Lun and Modify Lun queue entries
     72  */
     73 typedef struct {
     74 	isphdr_t	le_header;
     75 	u_int32_t	le_reserved;
     76 	u_int8_t	le_lun;
     77 	u_int8_t	le_rsvd;
     78 	u_int8_t	le_ops;		/* Modify LUN only */
     79 	u_int8_t	le_tgt;		/* Not for FC */
     80 	u_int32_t	le_flags;	/* Not for FC */
     81 	u_int8_t	le_status;
     82 	u_int8_t	le_reserved2;
     83 	u_int8_t	le_cmd_count;
     84 	u_int8_t	le_in_count;
     85 	u_int8_t	le_cdb6len;	/* Not for FC */
     86 	u_int8_t	le_cdb7len;	/* Not for FC */
     87 	u_int16_t	le_timeout;
     88 	u_int16_t	le_reserved3[20];
     89 } lun_entry_t;
     90 
     91 /*
     92  * le_flags values
     93  */
     94 #define LUN_TQAE	0x00000002	/* bit1  Tagged Queue Action Enable */
     95 #define LUN_DSSM	0x01000000	/* bit24 Disable Sending SDP Message */
     96 #define	LUN_DISAD	0x02000000	/* bit25 Disable autodisconnect */
     97 #define LUN_DM		0x40000000	/* bit30 Disconnects Mandatory */
     98 
     99 /*
    100  * le_ops values
    101  */
    102 #define LUN_CCINCR	0x01	/* increment command count */
    103 #define LUN_CCDECR	0x02	/* decrement command count */
    104 #define LUN_ININCR	0x40	/* increment immed. notify count */
    105 #define LUN_INDECR	0x80	/* decrement immed. notify count */
    106 
    107 /*
    108  * le_status values
    109  */
    110 #define	LUN_OK		0x01	/* we be rockin' */
    111 #define LUN_ERR		0x04	/* request completed with error */
    112 #define LUN_INVAL	0x06	/* invalid request */
    113 #define LUN_NOCAP	0x16	/* can't provide requested capability */
    114 #define LUN_ENABLED	0x3E	/* LUN already enabled */
    115 
    116 /*
    117  * Immediate Notify Entry structure
    118  */
    119 #define IN_MSGLEN	8	/* 8 bytes */
    120 #define IN_RSVDLEN	8	/* 8 words */
    121 typedef struct {
    122 	isphdr_t	in_header;
    123 	u_int32_t	in_reserved;
    124 	u_int8_t	in_lun;		/* lun */
    125 	u_int8_t	in_iid;		/* initiator */
    126 	u_int8_t	in_reserved2;
    127 	u_int8_t	in_tgt;		/* target */
    128 	u_int32_t	in_flags;
    129 	u_int8_t	in_status;
    130 	u_int8_t	in_rsvd2;
    131 	u_int8_t	in_tag_val;	/* tag value */
    132 	u_int8_t	in_tag_type;	/* tag type */
    133 	u_int16_t	in_seqid;	/* sequence id */
    134 	u_int8_t	in_msg[IN_MSGLEN];	/* SCSI message bytes */
    135 	u_int16_t	in_reserved3[IN_RSVDLEN];
    136 	u_int8_t	in_sense[QLTM_SENSELEN];/* suggested sense data */
    137 } in_entry_t;
    138 
    139 typedef struct {
    140 	isphdr_t	in_header;
    141 	u_int32_t	in_reserved;
    142 	u_int8_t	in_lun;		/* lun */
    143 	u_int8_t	in_iid;		/* initiator */
    144 	u_int16_t	in_scclun;
    145 	u_int32_t	in_reserved2;
    146 	u_int16_t	in_status;
    147 	u_int16_t	in_task_flags;
    148 	u_int16_t	in_seqid;	/* sequence id */
    149 } in_fcentry_t;
    150 
    151 /*
    152  * Values for the in_status field
    153  */
    154 #define	IN_REJECT	0x0D	/* Message Reject message received */
    155 #define IN_RESET	0x0E	/* Bus Reset occurred */
    156 #define IN_NO_RCAP	0x16	/* requested capability not available */
    157 #define IN_IDE_RECEIVED	0x33	/* Initiator Detected Error msg received */
    158 #define IN_RSRC_UNAVAIL	0x34	/* resource unavailable */
    159 #define IN_MSG_RECEIVED	0x36	/* SCSI message received */
    160 #define	IN_ABORT_TASK	0x20	/* task named in RX_ID is being aborted (FC) */
    161 #define	IN_PORT_LOGOUT	0x29	/* port has logged out (FC) */
    162 #define	IN_PORT_CHANGED	0x2A	/* port changed */
    163 #define	IN_GLOBAL_LOGO	0x2E	/* all ports logged out */
    164 #define	IN_NO_NEXUS	0x3B	/* Nexus not established */
    165 
    166 /*
    167  * Values for the in_task_flags field- should only get one at a time!
    168  */
    169 #define	TASK_FLAGS_ABORT_TASK		(1<<9)
    170 #define	TASK_FLAGS_CLEAR_TASK_SET	(1<<10)
    171 #define	TASK_FLAGS_TARGET_RESET		(1<<13)
    172 #define	TASK_FLAGS_CLEAR_ACA		(1<<14)
    173 #define	TASK_FLAGS_TERMINATE_TASK	(1<<15)
    174 
    175 #ifndef	MSG_ABORT_TAG
    176 #define	MSG_ABORT_TAG		0x06
    177 #endif
    178 #ifndef	MSG_CLEAR_QUEUE
    179 #define	MSG_CLEAR_QUEUE		0x0e
    180 #endif
    181 #ifndef	MSG_BUS_DEV_RESET
    182 #define	MSG_BUS_DEV_RESET	0x0b
    183 #endif
    184 #ifndef	MSG_REL_RECOVERY
    185 #define	MSG_REL_RECOVERY	0x10
    186 #endif
    187 #ifndef	MSG_TERM_IO_PROC
    188 #define	MSG_TERM_IO_PROC	0x11
    189 #endif
    190 
    191 
    192 /*
    193  * Notify Acknowledge Entry structure
    194  */
    195 #define NA_RSVDLEN	22
    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_int8_t	na_reserved2;
    202 	u_int8_t	na_tgt;		/* target */
    203 	u_int32_t	na_flags;
    204 	u_int8_t	na_status;
    205 	u_int8_t	na_event;
    206 	u_int16_t	na_seqid;	/* sequence id */
    207 	u_int16_t	na_reserved3[NA_RSVDLEN];
    208 } na_entry_t;
    209 
    210 /*
    211  * Value for the na_event field
    212  */
    213 #define NA_RST_CLRD	0x80	/* Clear an async event notification */
    214 #define	NA_OK		0x01	/* Notify Acknowledge Succeeded */
    215 #define	NA_INVALID	0x06	/* Invalid Notify Acknowledge */
    216 
    217 #define	NA2_RSVDLEN	21
    218 typedef struct {
    219 	isphdr_t	na_header;
    220 	u_int32_t	na_reserved;
    221 	u_int8_t	na_lun;		/* lun */
    222 	u_int8_t	na_iid;		/* initiator */
    223 	u_int16_t	na_scclun;
    224 	u_int16_t	na_flags;
    225 	u_int16_t	na_reserved2;
    226 	u_int16_t	na_status;
    227 	u_int16_t	na_task_flags;
    228 	u_int16_t	na_seqid;	/* sequence id */
    229 	u_int16_t	na_reserved3[NA2_RSVDLEN];
    230 } na_fcentry_t;
    231 #define	NAFC_RCOUNT	0x80	/* increment resource count */
    232 #define NAFC_RST_CLRD	0x20	/* Clear LIP Reset */
    233 /*
    234  * Accept Target I/O Entry structure
    235  */
    236 #define ATIO_CDBLEN	26
    237 
    238 typedef struct {
    239 	isphdr_t	at_header;
    240 	u_int16_t	at_reserved;
    241 	u_int16_t	at_handle;
    242 	u_int8_t	at_lun;		/* lun */
    243 	u_int8_t	at_iid;		/* initiator */
    244 	u_int8_t	at_cdblen; 	/* cdb length */
    245 	u_int8_t	at_tgt;		/* target */
    246 	u_int32_t	at_flags;
    247 	u_int8_t	at_status;	/* firmware status */
    248 	u_int8_t	at_scsi_status;	/* scsi status */
    249 	u_int8_t	at_tag_val;	/* tag value */
    250 	u_int8_t	at_tag_type;	/* tag type */
    251 	u_int8_t	at_cdb[ATIO_CDBLEN];	/* received CDB */
    252 	u_int8_t	at_sense[QLTM_SENSELEN];/* suggested sense data */
    253 } at_entry_t;
    254 
    255 /*
    256  * at_flags values
    257  */
    258 #define AT_NODISC	0x00008000	/* disconnect disabled */
    259 #define AT_TQAE		0x00000002	/* Tagged Queue Action enabled */
    260 
    261 /*
    262  * at_status values
    263  */
    264 #define AT_PATH_INVALID	0x07	/* ATIO sent to firmware for disabled lun */
    265 #define	AT_RESET	0x0E	/* SCSI Bus Reset Occurred */
    266 #define AT_PHASE_ERROR	0x14	/* Bus phase sequence error */
    267 #define AT_NOCAP	0x16	/* Requested capability not available */
    268 #define AT_BDR_MSG	0x17	/* Bus Device Reset msg received */
    269 #define AT_CDB		0x3D	/* CDB received */
    270 
    271 /*
    272  * Macros to create and fetch and test concatenated handle and tag value macros
    273  */
    274 
    275 #define	AT_MAKE_TAGID(tid, aep)						\
    276 	tid = ((aep)->at_handle << 16);					\
    277 	if ((aep)->at_flags & AT_TQAE)					\
    278 		(tid) |= ((aep)->at_tag_val + 1)
    279 
    280 #define	CT_MAKE_TAGID(tid, ct)						\
    281 	tid = ((ct)->ct_fwhandle << 16);				\
    282 	if ((ct)->ct_flags & CT_TQAE)					\
    283 		(tid) |= ((ct)->ct_tag_val + 1)
    284 
    285 #define	AT_HAS_TAG(val)		((val) & 0xffff)
    286 #define	AT_GET_TAG(val)		AT_HAS_TAG(val) - 1
    287 #define	AT_GET_HANDLE(val)	((val) >> 16)
    288 
    289 /*
    290  * Accept Target I/O Entry structure, Type 2
    291  */
    292 #define ATIO2_CDBLEN	16
    293 
    294 typedef struct {
    295 	isphdr_t	at_header;
    296 	u_int32_t	at_reserved;
    297 	u_int8_t	at_lun;		/* lun or reserved */
    298 	u_int8_t	at_iid;		/* initiator */
    299 	u_int16_t	at_rxid; 	/* response ID */
    300 	u_int16_t	at_flags;
    301 	u_int16_t	at_status;	/* firmware status */
    302 	u_int8_t	at_crn;		/* command reference number */
    303 	u_int8_t	at_taskcodes;
    304 	u_int8_t	at_taskflags;
    305 	u_int8_t	at_execodes;
    306 	u_int8_t	at_cdb[ATIO2_CDBLEN];	/* received CDB */
    307 	u_int32_t	at_datalen;		/* allocated data len */
    308 	u_int16_t	at_scclun;		/* SCC Lun or reserved */
    309 	u_int16_t	at_wwpn[4];		/* WWPN of initiator */
    310 	u_int16_t	at_reserved2[6];
    311 	u_int16_t	at_oxid;
    312 } at2_entry_t;
    313 
    314 #define	ATIO2_WWPN_OFFSET	0x2A
    315 #define	ATIO2_OXID_OFFSET	0x3E
    316 
    317 #define	ATIO2_TC_ATTR_MASK	0x7
    318 #define	ATIO2_TC_ATTR_SIMPLEQ	0
    319 #define	ATIO2_TC_ATTR_HEADOFQ	1
    320 #define	ATIO2_TC_ATTR_ORDERED	2
    321 #define	ATIO2_TC_ATTR_ACAQ	4
    322 #define	ATIO2_TC_ATTR_UNTAGGED	5
    323 
    324 #define	ATIO2_EX_WRITE		0x1
    325 #define	ATIO2_EX_READ		0x2
    326 
    327 /*
    328  * Continue Target I/O Entry structure
    329  * Request from driver. The response from the
    330  * ISP firmware is the same except that the last 18
    331  * bytes are overwritten by suggested sense data if
    332  * the 'autosense valid' bit is set in the status byte.
    333  */
    334 typedef struct {
    335 	isphdr_t	ct_header;
    336 	u_int16_t	ct_reserved;
    337 #define	ct_syshandle	ct_reserved	/* we use this */
    338 	u_int16_t	ct_fwhandle;	/* required by f/w */
    339 	u_int8_t	ct_lun;	/* lun */
    340 	u_int8_t	ct_iid;	/* initiator id */
    341 	u_int8_t	ct_reserved2;
    342 	u_int8_t	ct_tgt;	/* our target id */
    343 	u_int32_t	ct_flags;
    344 	u_int8_t 	ct_status;	/* isp status */
    345 	u_int8_t 	ct_scsi_status;	/* scsi status */
    346 	u_int8_t 	ct_tag_val;	/* tag value */
    347 	u_int8_t 	ct_tag_type;	/* tag type */
    348 	u_int32_t	ct_xfrlen;	/* transfer length */
    349 	u_int32_t	ct_resid;	/* residual length */
    350 	u_int16_t	ct_timeout;
    351 	u_int16_t	ct_seg_count;
    352 	/*
    353 	 * This is so we can share tag name space with
    354 	 * CTIO{2,3,4} with the minimum of pain.
    355 	 */
    356 	union {
    357 		ispds_t		ct_a[ISP_RQDSEG];
    358 	} _u;
    359 #define	ct_dataseg	_u.ct_a
    360 } ct_entry_t;
    361 
    362 /*
    363  * For some of the dual port SCSI adapters, port (bus #) is reported
    364  * in the MSbit of ct_iid. Bit fields are a bit too awkward here.
    365  *
    366  * Note that this does not apply to FC adapters at all which can and
    367  * do report IIDs between 129 && 255 (these represent devices that have
    368  * logged in across a SCSI fabric).
    369  */
    370 #define	GET_IID_VAL(x)		(x & 0x3f)
    371 #define	GET_BUS_VAL(x)		((x >> 7) & 0x1)
    372 #define	SET_IID_VAL(y, x)	y = ((y & ~0x3f) | (x & 0x3f))
    373 #define	SET_BUS_VAL(y, x)	y = ((y & 0x3f) | ((x & 0x1) << 7))
    374 
    375 /*
    376  * ct_flags values
    377  */
    378 #define CT_TQAE		0x00000002	/* bit  1, Tagged Queue Action enable */
    379 #define CT_DATA_IN	0x00000040	/* bits 6&7, Data direction */
    380 #define CT_DATA_OUT	0x00000080	/* bits 6&7, Data direction */
    381 #define CT_NO_DATA	0x000000C0	/* bits 6&7, Data direction */
    382 #define	CT_CCINCR	0x00000100	/* bit 8, autoincrement atio count */
    383 #define CT_DATAMASK	0x000000C0	/* bits 6&7, Data direction */
    384 #define	CT_INISYNCWIDE	0x00004000	/* bit 14, Do Sync/Wide Negotiation */
    385 #define CT_NODISC	0x00008000	/* bit 15, Disconnects disabled */
    386 #define CT_DSDP		0x01000000	/* bit 24, Disable Save Data Pointers */
    387 #define CT_SENDRDP	0x04000000	/* bit 26, Send Restore Pointers msg */
    388 #define CT_SENDSTATUS	0x80000000	/* bit 31, Send SCSI status byte */
    389 
    390 /*
    391  * ct_status values
    392  * - set by the firmware when it returns the CTIO
    393  */
    394 #define CT_OK		0x01	/* completed without error */
    395 #define CT_ABORTED	0x02	/* aborted by host */
    396 #define CT_ERR		0x04	/* see sense data for error */
    397 #define CT_INVAL	0x06	/* request for disabled lun */
    398 #define CT_NOPATH	0x07	/* invalid ITL nexus */
    399 #define	CT_INVRXID	0x08	/* (FC only) Invalid RX_ID */
    400 #define	CT_DATA_OVER	0x09	/* (FC only) Data Overrun */
    401 #define CT_RSELTMO	0x0A	/* reselection timeout after 2 tries */
    402 #define CT_TIMEOUT	0x0B	/* timed out */
    403 #define CT_RESET	0x0E	/* SCSI Bus Reset occurred */
    404 #define	CT_PARITY	0x0F	/* Uncorrectable Parity Error */
    405 #define	CT_BUS_ERROR	0x10	/* (FC Only) DMA PCI Error */
    406 #define	CT_PANIC	0x13	/* Unrecoverable Error */
    407 #define CT_PHASE_ERROR	0x14	/* Bus phase sequence error */
    408 #define CT_BDR_MSG	0x17	/* Bus Device Reset msg received */
    409 #define	CT_DATA_UNDER	0x15	/* (FC only) Data Underrun */
    410 #define CT_TERMINATED	0x19	/* due to Terminate Transfer mbox cmd */
    411 #define	CT_PORTNOTAVAIL	0x28	/* port not available */
    412 #define	CT_LOGOUT	0x29	/* port logout */
    413 #define	CT_PORTCHANGED	0x2A	/* port changed */
    414 #define	CT_IDE		0x33	/* Initiator Detected Error */
    415 #define CT_NOACK	0x35	/* Outstanding Immed. Notify. entry */
    416 
    417 /*
    418  * When the firmware returns a CTIO entry, it may overwrite the last
    419  * part of the structure with sense data. This starts at offset 0x2E
    420  * into the entry, which is in the middle of ct_dataseg[1]. Rather
    421  * than define a new struct for this, I'm just using the sense data
    422  * offset.
    423  */
    424 #define CTIO_SENSE_OFFSET	0x2E
    425 
    426 /*
    427  * Entry length in u_longs. All entries are the same size so
    428  * any one will do as the numerator.
    429  */
    430 #define UINT32_ENTRY_SIZE	(sizeof(at_entry_t)/sizeof(u_int32_t))
    431 
    432 /*
    433  * QLA2100 CTIO (type 2) entry
    434  */
    435 #define	MAXRESPLEN	26
    436 typedef struct {
    437 	isphdr_t	ct_header;
    438 	u_int16_t	ct_reserved;
    439 	u_int16_t	ct_fwhandle;	/* just to match CTIO */
    440 	u_int8_t	ct_lun;		/* lun */
    441 	u_int8_t	ct_iid;		/* initiator id */
    442 	u_int16_t	ct_rxid;	/* response ID */
    443 	u_int16_t	ct_flags;
    444 	u_int16_t 	ct_status;	/* isp status */
    445 	u_int16_t	ct_timeout;
    446 	u_int16_t	ct_seg_count;
    447 	u_int32_t	ct_reloff;	/* relative offset */
    448 	int32_t		ct_resid;	/* residual length */
    449 	union {
    450 		/*
    451 		 * The three different modes that the target driver
    452 		 * can set the CTIO{2,3,4} up as.
    453 		 *
    454 		 * The first is for sending FCP_DATA_IUs as well as
    455 		 * (optionally) sending a terminal SCSI status FCP_RSP_IU.
    456 		 *
    457 		 * The second is for sending SCSI sense data in an FCP_RSP_IU.
    458 		 * Note that no FCP_DATA_IUs will be sent.
    459 		 *
    460 		 * The third is for sending FCP_RSP_IUs as built specifically
    461 		 * in system memory as located by the isp_dataseg.
    462 		 */
    463 		struct {
    464 			u_int32_t _reserved;
    465 			u_int16_t _reserved2;
    466 			u_int16_t ct_scsi_status;
    467 			u_int32_t ct_xfrlen;
    468 			union {
    469 				ispds_t ct_a[ISP_RQDSEG_T2];	/* CTIO2 */
    470 				ispds64_t ct_b[ISP_RQDSEG_T3];	/* CTIO3 */
    471 				ispdslist_t ct_c;		/* CTIO4 */
    472 			} _u;
    473 #define	ct_dataseg	_u.ct_a
    474 #define	ct_dataseg64	_u.ct_b
    475 #define	ct_dslist	_u.ct_c
    476 		} m0;
    477 		struct {
    478 			u_int16_t _reserved;
    479 			u_int16_t _reserved2;
    480 			u_int16_t ct_senselen;
    481 			u_int16_t ct_scsi_status;
    482 			u_int16_t ct_resplen;
    483 			u_int8_t  ct_resp[MAXRESPLEN];
    484 		} m1;
    485 		struct {
    486 			u_int32_t _reserved;
    487 			u_int16_t _reserved2;
    488 			u_int16_t _reserved3;
    489 			u_int32_t ct_datalen;
    490 			ispds_t ct_fcp_rsp_iudata;
    491 		} m2;
    492 	} rsp;
    493 } ct2_entry_t;
    494 
    495 /*
    496  * ct_flags values for CTIO2
    497  */
    498 #define	CT2_FLAG_MMASK	0x0003
    499 #define	CT2_FLAG_MODE0	0x0000
    500 #define	CT2_FLAG_MODE1	0x0001
    501 #define	CT2_FLAG_MODE2	0x0002
    502 #define CT2_DATA_IN	CT_DATA_IN
    503 #define CT2_DATA_OUT	CT_DATA_OUT
    504 #define CT2_NO_DATA	CT_NO_DATA
    505 #define CT2_DATAMASK	CT_DATAMASK
    506 #define	CT2_CCINCR	0x0100
    507 #define	CT2_FASTPOST	0x0200
    508 #define	CT2_TERMINATE	0x4000
    509 #define CT2_SENDSTATUS	0x8000
    510 
    511 /*
    512  * ct_status values are (mostly) the same as that for ct_entry.
    513  */
    514 
    515 /*
    516  * ct_scsi_status values- the low 8 bits are the normal SCSI status
    517  * we know and love. The upper 8 bits are validity markers for FCP_RSP_IU
    518  * fields.
    519  */
    520 #define	CT2_RSPLEN_VALID	0x0100
    521 #define	CT2_SNSLEN_VALID	0x0200
    522 #define	CT2_DATA_OVER		0x0400
    523 #define	CT2_DATA_UNDER		0x0800
    524 
    525 /*
    526  * Debug macros
    527  */
    528 
    529 #define	ISP_TDQE(isp, msg, idx, arg)	\
    530     if (isp->isp_dblev & ISP_LOGTDEBUG2) isp_print_qentry(isp, msg, idx, arg)
    531 
    532 #ifdef	ISP_TARGET_FUNCTIONS
    533 /*
    534  * The functions below are for the publicly available
    535  * target mode functions that are internal to the Qlogic driver.
    536  */
    537 
    538 /*
    539  * This function handles new response queue entry appropriate for target mode.
    540  */
    541 int isp_target_notify(struct ispsoftc *, void *, u_int16_t *);
    542 
    543 /*
    544  * Enable/Disable/Modify a logical unit.
    545  * (softc, cmd, bus, tgt, lun, cmd_cnt, inotify_cnt, opaque)
    546  */
    547 #define	DFLT_CMND_CNT	0xfe	/* unmonitored */
    548 #define	DFLT_INOT_CNT	16
    549 int isp_lun_cmd(struct ispsoftc *, int, int, int, int, int, int, u_int32_t);
    550 
    551 /*
    552  * General request queue 'put' routine for target mode entries.
    553  */
    554 int isp_target_put_entry(struct ispsoftc *isp, void *);
    555 
    556 /*
    557  * General routine to put back an ATIO entry-
    558  * used for replenishing f/w resource counts.
    559  * The argument is a pointer to a source ATIO
    560  * or ATIO2.
    561  */
    562 int isp_target_put_atio(struct ispsoftc *, void *);
    563 
    564 /*
    565  * General routine to send a final CTIO for a command- used mostly for
    566  * local responses.
    567  */
    568 int isp_endcmd(struct ispsoftc *, void *, u_int32_t, u_int16_t);
    569 #define	ECMD_SVALID	0x100
    570 
    571 /*
    572  * Handle an asynchronous event
    573  *
    574  * Return nonzero if the interrupt that generated this event has been dismissed.
    575  */
    576 
    577 int isp_target_async(struct ispsoftc *, int, int);
    578 #endif
    579 #endif	/* _ISP_TARGET_H */
    580