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      1 /* $NetBSD: ispvar.h,v 1.76 2023/09/21 09:31:50 msaitoh Exp $ */
      2 /*
      3  * Copyright (C) 1999 National Aeronautics & Space Administration
      4  * All rights reserved.
      5  *
      6  * Additional Copyright (C) 2000-2007 by Matthew Jacob
      7  * All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 /*
     32  * Additional Copyright (c) 1997-2006 by Matthew Jacob
     33  * All rights reserved.
     34  *
     35  * Redistribution and use in source and binary forms, with or without
     36  * modification, are permitted provided that the following conditions
     37  * are met:
     38  *
     39  *  1. Redistributions of source code must retain the above copyright
     40  *     notice, this list of conditions, and the following disclaimer,
     41  *     without modification, immediately at the beginning of the file.
     42  *  2. The name of the author may not be used to endorse or promote products
     43  *     derived from this software without specific prior written permission.
     44  *
     45  *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     46  *  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     47  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     48  *  ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
     49  *  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     50  *  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     51  *  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     52  *  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     53  *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     54  *  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     55  *  SUCH DAMAGE.
     56  */
     57 /*
     58  * Soft Definitions for Qlogic ISP SCSI adapters.
     59  */
     60 
     61 #ifndef	_ISPVAR_H
     62 #define	_ISPVAR_H
     63 
     64 #if defined(__NetBSD__) || defined(__OpenBSD__)
     65 #include <dev/ic/isp_stds.h>
     66 #include <dev/ic/ispmbox.h>
     67 #endif
     68 #ifdef	__FreeBSD__
     69 #include <dev/isp/isp_stds.h>
     70 #include <dev/isp/ispmbox.h>
     71 #endif
     72 #ifdef	__linux__
     73 #include "isp_stds.h"
     74 #include "ispmbox.h"
     75 #endif
     76 #ifdef	__svr4__
     77 #include "isp_stds.h"
     78 #include "ispmbox.h"
     79 #endif
     80 
     81 #define	ISP_CORE_VERSION_MAJOR	7
     82 #define	ISP_CORE_VERSION_MINOR	0
     83 
     84 /*
     85  * Vector for bus specific code to provide specific services.
     86  */
     87 typedef struct ispsoftc ispsoftc_t;
     88 struct ispmdvec {
     89 	int		(*dv_rd_isr) (ispsoftc_t *, uint32_t *, uint16_t *, uint16_t *);
     90 	uint32_t	(*dv_rd_reg) (ispsoftc_t *, int);
     91 	void		(*dv_wr_reg) (ispsoftc_t *, int, uint32_t);
     92 	int		(*dv_mbxdma) (ispsoftc_t *);
     93 	int		(*dv_dmaset) (ispsoftc_t *, XS_T *, void *);
     94 	void		(*dv_dmaclr) (ispsoftc_t *, XS_T *, uint32_t);
     95 	void		(*dv_reset0) (ispsoftc_t *);
     96 	void		(*dv_reset1) (ispsoftc_t *);
     97 	void		(*dv_dregs) (ispsoftc_t *, const char *);
     98 	const void *	dv_ispfw;	/* ptr to f/w */
     99 	uint16_t	dv_conf1;
    100 	uint16_t	dv_clock;	/* clock frequency */
    101 };
    102 
    103 /*
    104  * Overall parameters
    105  */
    106 #define	MAX_TARGETS		16
    107 #ifndef	MAX_FC_TARG
    108 #define	MAX_FC_TARG		512
    109 #endif
    110 #define	ISP_MAX_TARGETS(isp)	(IS_FC(isp)? MAX_FC_TARG : MAX_TARGETS)
    111 #define	ISP_MAX_LUNS(isp)	(isp)->isp_maxluns
    112 
    113 /*
    114  * Macros to access ISP registers through bus specific layers-
    115  * mostly wrappers to vector through the mdvec structure.
    116  */
    117 #define	ISP_READ_ISR(isp, isrp, semap, mbox0p)	\
    118 	(*(isp)->isp_mdvec->dv_rd_isr)(isp, isrp, semap, mbox0p)
    119 
    120 #define	ISP_READ(isp, reg)	\
    121 	(*(isp)->isp_mdvec->dv_rd_reg)((isp), (reg))
    122 
    123 #define	ISP_WRITE(isp, reg, val)	\
    124 	(*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), (val))
    125 
    126 #define	ISP_MBOXDMASETUP(isp)	\
    127 	(*(isp)->isp_mdvec->dv_mbxdma)((isp))
    128 
    129 #define	ISP_DMASETUP(isp, xs, req)	\
    130 	(*(isp)->isp_mdvec->dv_dmaset)((isp), (xs), (req))
    131 
    132 #define	ISP_DMAFREE(isp, xs, hndl)		\
    133 	if ((isp)->isp_mdvec->dv_dmaclr)	\
    134 	    (*(isp)->isp_mdvec->dv_dmaclr)((isp), (xs), (hndl))
    135 
    136 #define	ISP_RESET0(isp)	\
    137 	if ((isp)->isp_mdvec->dv_reset0) (*(isp)->isp_mdvec->dv_reset0)((isp))
    138 #define	ISP_RESET1(isp)	\
    139 	if ((isp)->isp_mdvec->dv_reset1) (*(isp)->isp_mdvec->dv_reset1)((isp))
    140 #define	ISP_DUMPREGS(isp, m)	\
    141 	if ((isp)->isp_mdvec->dv_dregs) (*(isp)->isp_mdvec->dv_dregs)((isp),(m))
    142 
    143 #define	ISP_SETBITS(isp, reg, val)	\
    144  (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) | (val))
    145 
    146 #define	ISP_CLRBITS(isp, reg, val)	\
    147  (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) & ~(val))
    148 
    149 /*
    150  * The MEMORYBARRIER macro is defined per platform (to provide synchronization
    151  * on Request and Response Queues, Scratch DMA areas, and Registers)
    152  *
    153  * Defined Memory Barrier Synchronization Types
    154  */
    155 #define	SYNC_REQUEST	0	/* request queue synchronization */
    156 #define	SYNC_RESULT	1	/* result queue synchronization */
    157 #define	SYNC_SFORDEV	2	/* scratch, sync for ISP */
    158 #define	SYNC_SFORCPU	3	/* scratch, sync for CPU */
    159 #define	SYNC_REG	4	/* for registers */
    160 #define	SYNC_ATIOQ	5	/* atio result queue (24xx) */
    161 
    162 /*
    163  * Request/Response Queue defines and macros.
    164  * The maximum is defined per platform (and can be based on board type).
    165  */
    166 /* This is the size of a queue entry (request and response) */
    167 #define	QENTRY_LEN			64
    168 /* Both request and result queue length must be a power of two */
    169 #define	RQUEST_QUEUE_LEN(x)		MAXISPREQUEST(x)
    170 #ifdef	ISP_TARGET_MODE
    171 #define	RESULT_QUEUE_LEN(x)		MAXISPREQUEST(x)
    172 #else
    173 #define	RESULT_QUEUE_LEN(x)		\
    174 	(((MAXISPREQUEST(x) >> 2) < 64)? 64 : MAXISPREQUEST(x) >> 2)
    175 #endif
    176 #define	ISP_QUEUE_ENTRY(q, idx)		(((uint8_t *)q) + ((idx) * QENTRY_LEN))
    177 #define	ISP_QUEUE_SIZE(n)		((n) * QENTRY_LEN)
    178 #define	ISP_NXT_QENTRY(idx, qlen)	(((idx) + 1) & ((qlen)-1))
    179 #define	ISP_QFREE(in, out, qlen)	\
    180 	((in == out)? (qlen - 1) : ((in > out)? \
    181 	((qlen - 1) - (in - out)) : (out - in - 1)))
    182 #define	ISP_QAVAIL(isp)	\
    183 	ISP_QFREE(isp->isp_reqidx, isp->isp_reqodx, RQUEST_QUEUE_LEN(isp))
    184 
    185 #define	ISP_ADD_REQUEST(isp, nxti)						\
    186 	MEMORYBARRIER(isp, SYNC_REQUEST, isp->isp_reqidx, QENTRY_LEN, -1);	\
    187 	ISP_WRITE(isp, isp->isp_rqstinrp, nxti);				\
    188 	isp->isp_reqidx = nxti
    189 
    190 #define	ISP_SYNC_REQUEST(isp)								\
    191 	MEMORYBARRIER(isp, SYNC_REQUEST, isp->isp_reqidx, QENTRY_LEN, -1);		\
    192 	isp->isp_reqidx = ISP_NXT_QENTRY(isp->isp_reqidx, RQUEST_QUEUE_LEN(isp));	\
    193 	ISP_WRITE(isp, isp->isp_rqstinrp, isp->isp_reqidx)
    194 
    195 /*
    196  * SCSI Specific Host Adapter Parameters- per bus, per target
    197  */
    198 typedef struct {
    199 	uint32_t 				: 8,
    200 			update			: 1,
    201 			sendmarker		: 1,
    202 			role			: 2,
    203 			isp_req_ack_active_neg	: 1,
    204 			isp_data_line_active_neg: 1,
    205 			isp_cmd_dma_burst_enable: 1,
    206 			isp_data_dma_burst_enabl: 1,
    207 			isp_fifo_threshold	: 3,
    208 			isp_ptisp		: 1,
    209 			isp_ultramode		: 1,
    210 			isp_diffmode		: 1,
    211 			isp_lvdmode		: 1,
    212 			isp_fast_mttr		: 1,	/* fast sram */
    213 			isp_initiator_id	: 4,
    214 			isp_async_data_setup	: 4;
    215 	uint16_t	isp_selection_timeout;
    216 	uint16_t	isp_max_queue_depth;
    217 	uint8_t		isp_tag_aging;
    218 	uint8_t		isp_bus_reset_delay;
    219 	uint8_t		isp_retry_count;
    220 	uint8_t		isp_retry_delay;
    221 	struct {
    222 		uint32_t
    223 			exc_throttle	:	8,
    224 					:	1,
    225 			dev_enable	:	1,	/* ignored */
    226 			dev_update	:	1,
    227 			dev_refresh	:	1,
    228 			actv_offset	:	4,
    229 			goal_offset	:	4,
    230 			nvrm_offset	:	4;
    231 		uint8_t		actv_period;	/* current sync period */
    232 		uint8_t		goal_period;	/* goal sync period */
    233 		uint8_t		nvrm_period;	/* nvram sync period */
    234 		uint16_t	actv_flags;	/* current device flags */
    235 		uint16_t	goal_flags;	/* goal device flags */
    236 		uint16_t	nvrm_flags;	/* nvram device flags */
    237 	} isp_devparam[MAX_TARGETS];
    238 } sdparam;
    239 
    240 /*
    241  * Device Flags
    242  */
    243 #define	DPARM_DISC	0x8000
    244 #define	DPARM_PARITY	0x4000
    245 #define	DPARM_WIDE	0x2000
    246 #define	DPARM_SYNC	0x1000
    247 #define	DPARM_TQING	0x0800
    248 #define	DPARM_ARQ	0x0400
    249 #define	DPARM_QFRZ	0x0200
    250 #define	DPARM_RENEG	0x0100
    251 #define	DPARM_NARROW	0x0080
    252 #define	DPARM_ASYNC	0x0040
    253 #define	DPARM_PPR	0x0020
    254 #define	DPARM_DEFAULT	(0xFF00 & ~DPARM_QFRZ)
    255 #define	DPARM_SAFE_DFLT	(DPARM_DEFAULT & ~(DPARM_WIDE|DPARM_SYNC|DPARM_TQING))
    256 
    257 /* technically, not really correct, as they need to be rated based upon clock */
    258 #define	ISP_80M_SYNCPARMS	0x0c09
    259 #define	ISP_40M_SYNCPARMS	0x0c0a
    260 #define	ISP_20M_SYNCPARMS	0x0c0c
    261 #define	ISP_20M_SYNCPARMS_1040	0x080c
    262 #define	ISP_10M_SYNCPARMS	0x0c19
    263 #define	ISP_08M_SYNCPARMS	0x0c25
    264 #define	ISP_05M_SYNCPARMS	0x0c32
    265 #define	ISP_04M_SYNCPARMS	0x0c41
    266 
    267 /*
    268  * Fibre Channel Specifics
    269  */
    270 /* These are for non-2K Login Firmware cards */
    271 #define	FL_ID			0x7e	/* FL_Port Special ID */
    272 #define	SNS_ID			0x80	/* SNS Server Special ID */
    273 #define	NPH_MAX			0xfe
    274 
    275 /* Use this handle for the base for multi-id firmware SNS logins */
    276 #define	NPH_SNS_HDLBASE		0x400
    277 
    278 /* These are for 2K Login Firmware cards */
    279 #define	NPH_RESERVED		0x7F0	/* begin of reserved N-port handles */
    280 #define	NPH_MGT_ID		0x7FA	/* Management Server Special ID */
    281 #define	NPH_SNS_ID		0x7FC	/* SNS Server Special ID */
    282 #define	NPH_FABRIC_CTLR		0x7FD	/* Fabric Controller (0xFFFFFD) */
    283 #define	NPH_FL_ID		0x7FE	/* F Port Special ID (0xFFFFFE) */
    284 #define	NPH_IP_BCST		0x7ff	/* IP Broadcast Special ID (0xFFFFFF) */
    285 #define	NPH_MAX_2K		0x800
    286 
    287 /*
    288  * "Unassigned" handle to be used internally
    289  */
    290 #define	NIL_HANDLE		0xffff
    291 
    292 /*
    293  * Limit for devices on an arbitrated loop.
    294  */
    295 #define	LOCAL_LOOP_LIM		126
    296 
    297 /*
    298  * Limit for (2K login) N-port handle amounts
    299  */
    300 #define	MAX_NPORT_HANDLE	2048
    301 
    302 /*
    303  * Special Constants
    304  */
    305 #define	INI_NONE    		((uint64_t) 0)
    306 #define	ISP_NOCHAN		0xff
    307 
    308 /*
    309  * Special Port IDs
    310  */
    311 #define	MANAGEMENT_PORT_ID	0xFFFFFA
    312 #define	SNS_PORT_ID		0xFFFFFC
    313 #define	FABRIC_PORT_ID		0xFFFFFE
    314 #define	PORT_ANY		0xFFFFFF
    315 #define	PORT_NONE		0
    316 #define	DOMAIN_CONTROLLER_BASE	0xFFFC00
    317 #define	DOMAIN_CONTROLLER_END	0xFFFCFF
    318 
    319 /*
    320  * Command Handles
    321  *
    322  * Most QLogic initiator or target have 32 bit handles associated with them.
    323  * We want to have a quick way to index back and forth between a local SCSI
    324  * command context and what the firmware is passing back to us. We also
    325  * want to avoid working on stale information. This structure handles both
    326  * at the expense of some local memory.
    327  *
    328  * The handle is architected thusly:
    329  *
    330  *	0 means "free handle"
    331  *	bits  0..12 index commands
    332  *	bits 13..15 bits index usage
    333  *	bits 16..31 contain a rolling sequence
    334  *
    335  *
    336  */
    337 typedef struct {
    338 	void *		cmd;	/* associated command context */
    339 	uint32_t	handle;	/* handle associated with this command */
    340 } isp_hdl_t;
    341 #define	ISP_HANDLE_FREE		0x00000000
    342 #define	ISP_HANDLE_CMD_MASK	0x00001fff
    343 #define	ISP_HANDLE_USAGE_MASK	0x0000e000
    344 #define	ISP_HANDLE_USAGE_SHIFT	13
    345 #define	ISP_H2HT(hdl)	((hdl & ISP_HANDLE_USAGE_MASK) >> ISP_HANDLE_USAGE_SHIFT)
    346 #	define	ISP_HANDLE_NONE		0
    347 #	define	ISP_HANDLE_INITIATOR	1
    348 #	define	ISP_HANDLE_TARGET	2
    349 #define	ISP_HANDLE_SEQ_MASK	0xffff0000
    350 #define	ISP_HANDLE_SEQ_SHIFT	16
    351 #define	ISP_H2SEQ(hdl)	((hdl & ISP_HANDLE_SEQ_MASK) >> ISP_HANDLE_SEQ_SHIFT)
    352 #define	ISP_VALID_INI_HANDLE(c, hdl)	\
    353 	(ISP_H2HT(hdl) == ISP_HANDLE_INITIATOR && (hdl & ISP_HANDLE_CMD_MASK) < (c)->isp_maxcmds && \
    354 	 ISP_H2SEQ(hdl) == ISP_H2SEQ((c)->isp_xflist[hdl & ISP_HANDLE_CMD_MASK].handle))
    355 #ifdef	ISP_TARGET_MODE
    356 #define	ISP_VALID_TGT_HANDLE(c, hdl)	\
    357 	(ISP_H2HT(hdl) == ISP_HANDLE_TARGET && (hdl & ISP_HANDLE_CMD_MASK) < (c)->isp_maxcmds && \
    358 	 ISP_H2SEQ(hdl) == ISP_H2SEQ((c)->isp_tgtlist[hdl & ISP_HANDLE_CMD_MASK].handle))
    359 #define	ISP_VALID_HANDLE(c, hdl)	\
    360 	(ISP_VALID_INI_HANDLE((c), hdl) || ISP_VALID_TGT_HANDLE((c), hdl))
    361 #else
    362 #define	ISP_VALID_HANDLE	ISP_VALID_INI_HANDLE
    363 #endif
    364 #define	ISP_BAD_HANDLE_INDEX	0xffffffff
    365 
    366 
    367 /*
    368  * FC Port Database entry.
    369  *
    370  * It has a handle that the f/w uses to address commands to a device.
    371  * This handle's value may be assigned by the firmware (e.g., for local loop
    372  * devices) or by the driver (e.g., for fabric devices).
    373  *
    374  * It has a state. If the state if VALID, that means that we've logged into
    375  * the device. We also *may* have a initiator map index entry. This is a value
    376  * from 0..MAX_FC_TARG that is used to index into the isp_dev_map array. If
    377  * the value therein is non-zero, then that value minus one is used to index
    378  * into the Port Database to find the handle for forming commands. There is
    379  * back-index minus one value within to Port Database entry that tells us
    380  * which entry in isp_dev_map points to us (to avoid searching).
    381  *
    382  * Local loop devices the firmware automatically performs PLOGI on for us
    383  * (which is why that handle is imposed upon us). Fabric devices we assign
    384  * a handle to and perform the PLOGI on.
    385  *
    386  * When a PORT DATABASE CHANGED asynchronous event occurs, we mark all VALID
    387  * entries as PROBATIONAL. This allows us, if policy says to, just keep track
    388  * of devices whose handles change but are otherwise the same device (and
    389  * thus keep 'target' constant).
    390  *
    391  * In any case, we search all possible local loop handles. For each one that
    392  * has a port database entity returned, we search for any PROBATIONAL entry
    393  * that matches it and update as appropriate. Otherwise, as a new entry, we
    394  * find room for it in the Port Database. We *try* and use the handle as the
    395  * index to put it into the Database, but that's just an optimization. We mark
    396  * the entry VALID and make sure that the target index is updated and correct.
    397  *
    398  * When we get done searching the local loop, we then search similarly for
    399  * a list of devices we've gotten from the fabric name controller (if we're
    400  * on a fabric). VALID marking is also done similarly.
    401  *
    402  * When all of this is done, we can march through the database and clean up
    403  * any entry that is still PROBATIONAL (these represent devices which have
    404  * departed). Then we're done and can resume normal operations.
    405  *
    406  * Negative invariants that we try and test for are:
    407  *
    408  *  + There can never be two non-NIL entries with the same { Port, Node } WWN
    409  *    duples.
    410  *
    411  *  + There can never be two non-NIL entries with the same handle.
    412  *
    413  *  + There can never be two non-NIL entries which have the same dev_map_idx
    414  *    value.
    415  */
    416 typedef struct {
    417 	/*
    418 	 * This is the handle that the firmware needs in order for us to
    419 	 * send commands to the device. For pre-24XX cards, this would be
    420 	 * the 'loopid'.
    421 	 */
    422 	uint16_t	handle;
    423 
    424 	/*
    425 	 * The dev_map_idx, if nonzero, is the system virtual target ID (+1)
    426 	 * as a cross-reference with the isp_dev_map.
    427 	 *
    428 	 * A device is 'autologin' if the firmware automatically logs into
    429 	 * it (re-logins as needed). Basically, local private loop devices.
    430 	 *
    431 	 * The state is the current state of this entry.
    432 	 *
    433 	 * Role is Initiator, Target, Both
    434 	 *
    435 	 * Portid is obvious, as are node && port WWNs. The new_role and
    436 	 * new_portid is for when we are pending a change.
    437 	 *
    438 	 * The 'target_mode' tag means that this entry arrived via a
    439 	 * target mode command and is immune from normal flushing rules.
    440 	 * You should also never see anything with an initiator role
    441 	 * with this set.
    442 	 */
    443 	uint16_t	dev_map_idx	: 12,
    444 			autologin	: 1,	/* F/W does PLOGI/PLOGO */
    445 			state		: 3;
    446 	uint32_t	reserved	: 5,
    447 			target_mode	: 1,
    448 			roles		: 2,
    449 			portid		: 24;
    450 	uint32_t
    451 			dirty		: 1,	/* commands have been run */
    452 			new_reserved	: 5,
    453 			new_roles	: 2,
    454 			new_portid	: 24;
    455 	uint64_t	node_wwn;
    456 	uint64_t	port_wwn;
    457 	uint32_t	gone_timer;
    458 } fcportdb_t;
    459 
    460 #define	FC_PORTDB_STATE_NIL		0
    461 #define	FC_PORTDB_STATE_PROBATIONAL	1
    462 #define	FC_PORTDB_STATE_DEAD		2
    463 #define	FC_PORTDB_STATE_CHANGED		3
    464 #define	FC_PORTDB_STATE_NEW		4
    465 #define	FC_PORTDB_STATE_PENDING_VALID	5
    466 #define	FC_PORTDB_STATE_ZOMBIE		6
    467 #define	FC_PORTDB_STATE_VALID		7
    468 
    469 /*
    470  * FC card specific information
    471  *
    472  * This structure is replicated across multiple channels for multi-id
    473  * capapble chipsets, with some entities different on a per-channel basis.
    474  */
    475 
    476 typedef struct {
    477 	uint32_t
    478 				link_active	: 1,
    479 				npiv_fabric	: 1,
    480 				inorder		: 1,
    481 				sendmarker	: 1,
    482 				role		: 2,
    483 				isp_gbspeed	: 4,
    484 				isp_loopstate	: 4,	/* Current Loop State */
    485 				isp_fwstate	: 4,	/* ISP F/W state */
    486 				isp_topo	: 3,	/* Connection Type */
    487 				loop_seen_once	: 1;
    488 
    489 	uint32_t				: 8,
    490 				isp_portid	: 24;	/* S_ID */
    491 
    492 
    493 	uint16_t		isp_fwoptions;
    494 	uint16_t		isp_xfwoptions;
    495 	uint16_t		isp_zfwoptions;
    496 	uint16_t		isp_loopid;		/* hard loop id */
    497 	uint16_t		isp_sns_hdl;		/* N-port handle for SNS */
    498 	uint16_t		isp_lasthdl;		/* only valid for channel 0 */
    499 	uint16_t		isp_maxalloc;
    500 	uint8_t			isp_retry_delay;
    501 	uint8_t			isp_retry_count;
    502 
    503 	/*
    504 	 * Current active WWNN/WWPN
    505 	 */
    506 	uint64_t		isp_wwnn;
    507 	uint64_t		isp_wwpn;
    508 
    509 	/*
    510 	 * NVRAM WWNN/WWPN
    511 	 */
    512 	uint64_t		isp_wwnn_nvram;
    513 	uint64_t		isp_wwpn_nvram;
    514 
    515 	/*
    516 	 * Our Port Data Base
    517 	 */
    518 	fcportdb_t		portdb[MAX_FC_TARG];
    519 
    520 	/*
    521 	 * This maps system virtual 'target' id to a portdb entry.
    522 	 *
    523 	 * The mapping function is to take any non-zero entry and
    524 	 * subtract one to get the portdb index. This means that
    525 	 * entries which are zero are unmapped (i.e., don't exist).
    526 	 */
    527 	uint16_t		isp_dev_map[MAX_FC_TARG];
    528 
    529 #ifdef	ISP_TARGET_MODE
    530 	/*
    531 	 * This maps N-Port Handle to portdb entry so we
    532 	 * don't have to search for every incoming command.
    533 	 *
    534 	 * The mapping function is to take any non-zero entry and
    535 	 * subtract one to get the portdb index. This means that
    536 	 * entries which are zero are unmapped (i.e., don't exist).
    537 	 */
    538 	uint16_t		isp_tgt_map[MAX_NPORT_HANDLE];
    539 #endif
    540 
    541 	/*
    542 	 * Scratch DMA mapped in area to fetch Port Database stuff, etc.
    543 	 */
    544 	void *			isp_scratch;
    545 	XS_DMA_ADDR_T		isp_scdma;
    546 } fcparam;
    547 
    548 #define	FW_CONFIG_WAIT		0
    549 #define	FW_WAIT_AL_PA		1
    550 #define	FW_WAIT_LOGIN		2
    551 #define	FW_READY		3
    552 #define	FW_LOSS_OF_SYNC		4
    553 #define	FW_ERROR		5
    554 #define	FW_REINIT		6
    555 #define	FW_NON_PART		7
    556 
    557 #define	LOOP_NIL		0
    558 #define	LOOP_LIP_RCVD		1
    559 #define	LOOP_PDB_RCVD		2
    560 #define	LOOP_SCANNING_LOOP	3
    561 #define	LOOP_LSCAN_DONE		4
    562 #define	LOOP_SCANNING_FABRIC	5
    563 #define	LOOP_FSCAN_DONE		6
    564 #define	LOOP_SYNCING_PDB	7
    565 #define	LOOP_READY		8
    566 
    567 #define	TOPO_NL_PORT		0
    568 #define	TOPO_FL_PORT		1
    569 #define	TOPO_N_PORT		2
    570 #define	TOPO_F_PORT		3
    571 #define	TOPO_PTP_STUB		4
    572 
    573 /*
    574  * Soft Structure per host adapter
    575  */
    576 struct ispsoftc {
    577 	/*
    578 	 * Platform (OS) specific data
    579 	 */
    580 	struct isposinfo	isp_osinfo;
    581 
    582 	/*
    583 	 * Pointer to bus specific functions and data
    584 	 */
    585 	struct ispmdvec *	isp_mdvec;
    586 
    587 	/*
    588 	 * (Mostly) nonvolatile state. Board specific parameters
    589 	 * may contain some volatile state (e.g., current loop state).
    590 	 */
    591 
    592 	void * 			isp_param;	/* type specific */
    593 	uint16_t		isp_fwrev[3];	/* Loaded F/W revision */
    594 	uint16_t		isp_maxcmds;	/* max possible I/O cmds */
    595 	uint8_t			isp_type;	/* HBA Chip Type */
    596 	uint8_t			isp_revision;	/* HBA Chip H/W Revision */
    597 	uint32_t		isp_maxluns;	/* maximum luns supported */
    598 
    599 	uint32_t		isp_clock	: 8,	/* input clock */
    600 						: 4,
    601 				isp_port	: 1,	/* 23XX/24XX only */
    602 				isp_open	: 1,	/* opened (ioctl) */
    603 				isp_bustype	: 1,	/* SBus or PCI */
    604 				isp_loaded_fw	: 1,	/* loaded firmware */
    605 				isp_dblev	: 16;	/* debug log mask */
    606 
    607 	uint16_t		isp_fwattr;	/* firmware attributes */
    608 	uint16_t		isp_nchan;	/* number of channels */
    609 
    610 	uint32_t		isp_confopts;	/* config options */
    611 
    612 	uint32_t		isp_rqstinrp;	/* register for REQINP */
    613 	uint32_t		isp_rqstoutrp;	/* register for REQOUTP */
    614 	uint32_t		isp_respinrp;	/* register for RESINP */
    615 	uint32_t		isp_respoutrp;	/* register for RESOUTP */
    616 
    617 	/*
    618 	 * Instrumentation
    619 	 */
    620 	uint64_t		isp_intcnt;		/* total int count */
    621 	uint64_t		isp_intbogus;		/* spurious int count */
    622 	uint64_t		isp_intmboxc;		/* mbox completions */
    623 	uint64_t		isp_intoasync;		/* other async */
    624 	uint64_t		isp_rsltccmplt;		/* CMDs on result q */
    625 	uint64_t		isp_fphccmplt;		/* CMDs via fastpost */
    626 	uint16_t		isp_rscchiwater;
    627 	uint16_t		isp_fpcchiwater;
    628 	NANOTIME_T		isp_init_time;		/* time were last initialized */
    629 
    630 	/*
    631 	 * Volatile state
    632 	 */
    633 
    634 	volatile uint32_t	:	8,
    635 				:	2,
    636 		isp_dead	:	1,
    637 				:	1,
    638 		isp_mboxbsy	:	1,	/* mailbox command active */
    639 		isp_state	:	3,
    640 		isp_nactive	:	16;	/* how many commands active */
    641 	volatile mbreg_t	isp_curmbx;	/* currently active mailbox command */
    642 	volatile uint32_t	isp_reqodx;	/* index of last ISP pickup */
    643 	volatile uint32_t	isp_reqidx;	/* index of next request */
    644 	volatile uint32_t	isp_residx;	/* index of next result */
    645 	volatile uint32_t	isp_resodx;	/* index of next result */
    646 	volatile uint32_t	isp_obits;	/* mailbox command output */
    647 	volatile uint32_t	isp_serno;	/* rolling serial number */
    648 	volatile uint16_t	isp_mboxtmp[MAILBOX_STORAGE];
    649 	volatile uint16_t	isp_lastmbxcmd;	/* last mbox command sent */
    650 	volatile uint16_t	isp_mbxwrk0;
    651 	volatile uint16_t	isp_mbxwrk1;
    652 	volatile uint16_t	isp_mbxwrk2;
    653 	volatile uint16_t	isp_mbxwrk8;
    654 	volatile uint16_t	isp_seqno;	/* running sequence number */
    655 	void *			isp_mbxworkp;
    656 
    657 	/*
    658 	 * Active commands are stored here, indexed by handle functions.
    659 	 */
    660 	isp_hdl_t		*isp_xflist;
    661 	isp_hdl_t		*isp_xffree;
    662 
    663 #ifdef	ISP_TARGET_MODE
    664 	/*
    665 	 * Active target commands are stored here, indexed by handle functions.
    666 	 */
    667 	isp_hdl_t		*isp_tgtlist;
    668 	isp_hdl_t		*isp_tgtfree;
    669 #endif
    670 
    671 	/*
    672 	 * request/result queue pointers and DMA handles for them.
    673 	 */
    674 	void *			isp_rquest;
    675 	void *			isp_result;
    676 	XS_DMA_ADDR_T		isp_rquest_dma;
    677 	XS_DMA_ADDR_T		isp_result_dma;
    678 #ifdef	ISP_TARGET_MODE
    679 	/* for 24XX only */
    680 	void *			isp_atioq;
    681 	XS_DMA_ADDR_T		isp_atioq_dma;
    682 #endif
    683 };
    684 
    685 #define	SDPARAM(isp, chan)	(&((sdparam *)(isp)->isp_param)[(chan)])
    686 #define	FCPARAM(isp, chan)	(&((fcparam *)(isp)->isp_param)[(chan)])
    687 
    688 #define	ISP_SET_SENDMARKER(isp, chan, val)	\
    689     if (IS_FC(isp)) {				\
    690 	FCPARAM(isp, chan)->sendmarker = val;	\
    691     } else {					\
    692 	SDPARAM(isp, chan)->sendmarker = val;	\
    693     }
    694 
    695 #define	ISP_TST_SENDMARKER(isp, chan)		\
    696     (IS_FC(isp)?				\
    697 	FCPARAM(isp, chan)->sendmarker != 0 :	\
    698 	SDPARAM(isp, chan)->sendmarker != 0)
    699 
    700 /*
    701  * ISP Driver Run States
    702  */
    703 #define	ISP_NILSTATE	0
    704 #define	ISP_CRASHED	1
    705 #define	ISP_RESETSTATE	2
    706 #define	ISP_INITSTATE	3
    707 #define	ISP_RUNSTATE	4
    708 
    709 /*
    710  * ISP Configuration Options
    711  */
    712 #define	ISP_CFG_NORELOAD	0x80	/* don't download f/w */
    713 #define	ISP_CFG_NONVRAM		0x40	/* ignore NVRAM */
    714 #define	ISP_CFG_TWOGB		0x20	/* force 2GB connection (23XX only) */
    715 #define	ISP_CFG_ONEGB		0x10	/* force 1GB connection (23XX only) */
    716 #define	ISP_CFG_FULL_DUPLEX	0x01	/* Full Duplex (Fibre Channel only) */
    717 #define	ISP_CFG_PORT_PREF	0x0C	/* Mask for Port Prefs (2200 only) */
    718 #define	ISP_CFG_LPORT		0x00	/* prefer {N/F}L-Port connection */
    719 #define	ISP_CFG_NPORT		0x04	/* prefer {N/F}-Port connection */
    720 #define	ISP_CFG_NPORT_ONLY	0x08	/* insist on {N/F}-Port connection */
    721 #define	ISP_CFG_LPORT_ONLY	0x0C	/* insist on {N/F}L-Port connection */
    722 #define	ISP_CFG_OWNFSZ		0x400	/* override NVRAM frame size */
    723 #define	ISP_CFG_OWNLOOPID	0x800	/* override NVRAM loopid */
    724 #define	ISP_CFG_OWNEXCTHROTTLE	0x1000	/* override NVRAM execution throttle */
    725 #define	ISP_CFG_FOURGB		0x2000	/* force 4GB connection (24XX only) */
    726 
    727 /*
    728  * For each channel, the outer layers should know what role that channel
    729  * will take: ISP_ROLE_NONE, ISP_ROLE_INITIATOR, ISP_ROLE_TARGET,
    730  * ISP_ROLE_BOTH.
    731  *
    732  * If you set ISP_ROLE_NONE, the cards will be reset, new firmware loaded,
    733  * NVRAM read, and defaults set, but any further initialization (e.g.
    734  * INITIALIZE CONTROL BLOCK commands for 2X00 cards) won't be done.
    735  *
    736  * If INITIATOR MODE isn't set, attempts to run commands will be stopped
    737  * at isp_start and completed with the equivalent of SELECTION TIMEOUT.
    738  *
    739  * If TARGET MODE is set, it doesn't mean that the rest of target mode support
    740  * needs to be enabled, or will even work. What happens with the 2X00 cards
    741  * here is that if you have enabled it with TARGET MODE as part of the ICB
    742  * options, but you haven't given the f/w any ram resources for ATIOs or
    743  * Immediate Notifies, the f/w just handles what it can and you never see
    744  * anything. Basically, it sends a single byte of data (the first byte,
    745  * which you can set as part of the INITIALIZE CONTROL BLOCK command) for
    746  * INQUIRY, and sends back QUEUE FULL status for any other command.
    747  *
    748  */
    749 #define	ISP_ROLE_NONE		0x0
    750 #define	ISP_ROLE_TARGET		0x1
    751 #define	ISP_ROLE_INITIATOR	0x2
    752 #define	ISP_ROLE_BOTH		(ISP_ROLE_TARGET|ISP_ROLE_INITIATOR)
    753 #define	ISP_ROLE_EITHER		ISP_ROLE_BOTH
    754 #ifndef	ISP_DEFAULT_ROLES
    755 #define	ISP_DEFAULT_ROLES	ISP_ROLE_INITIATOR
    756 #endif
    757 
    758 
    759 /*
    760  * Firmware related defines
    761  */
    762 #define	ISP_CODE_ORG			0x1000	/* default f/w code start */
    763 #define	ISP_CODE_ORG_2300		0x0800	/* ..except for 2300s */
    764 #define	ISP_CODE_ORG_2400		0x100000 /* ..and 2400s */
    765 #define	ISP_FW_REV(maj, min, mic)	((maj << 24) | (min << 16) | mic)
    766 #define	ISP_FW_MAJOR(code)		((code >> 24) & 0xff)
    767 #define	ISP_FW_MINOR(code)		((code >> 16) & 0xff)
    768 #define	ISP_FW_MICRO(code)		((code >>  8) & 0xff)
    769 #define	ISP_FW_REVX(xp)			((xp[0]<<24) | (xp[1] << 16) | xp[2])
    770 #define	ISP_FW_MAJORX(xp)		(xp[0])
    771 #define	ISP_FW_MINORX(xp)		(xp[1])
    772 #define	ISP_FW_MICROX(xp)		(xp[2])
    773 #define	ISP_FW_NEWER_THAN(i, major, minor, micro)		\
    774  (ISP_FW_REVX((i)->isp_fwrev) > ISP_FW_REV(major, minor, micro))
    775 #define	ISP_FW_OLDER_THAN(i, major, minor, micro)		\
    776  (ISP_FW_REVX((i)->isp_fwrev) < ISP_FW_REV(major, minor, micro))
    777 
    778 /*
    779  * Bus (implementation) types
    780  */
    781 #define	ISP_BT_PCI		0	/* PCI Implementations */
    782 #define	ISP_BT_SBUS		1	/* SBus Implementations */
    783 
    784 /*
    785  * If we have not otherwise defined SBus support away make sure
    786  * it is defined here such that the code is included as default
    787  */
    788 #ifndef	ISP_SBUS_SUPPORTED
    789 #define	ISP_SBUS_SUPPORTED	1
    790 #endif
    791 
    792 /*
    793  * Chip Types
    794  */
    795 #define	ISP_HA_SCSI		0xf
    796 #define	ISP_HA_SCSI_UNKNOWN	0x1
    797 #define	ISP_HA_SCSI_1020	0x2
    798 #define	ISP_HA_SCSI_1020A	0x3
    799 #define	ISP_HA_SCSI_1040	0x4
    800 #define	ISP_HA_SCSI_1040A	0x5
    801 #define	ISP_HA_SCSI_1040B	0x6
    802 #define	ISP_HA_SCSI_1040C	0x7
    803 #define	ISP_HA_SCSI_1240	0x8
    804 #define	ISP_HA_SCSI_1080	0x9
    805 #define	ISP_HA_SCSI_1280	0xa
    806 #define	ISP_HA_SCSI_10160	0xb
    807 #define	ISP_HA_SCSI_12160	0xc
    808 #define	ISP_HA_FC		0xf0
    809 #define	ISP_HA_FC_2100		0x10
    810 #define	ISP_HA_FC_2200		0x20
    811 #define	ISP_HA_FC_2300		0x30
    812 #define	ISP_HA_FC_2312		0x40
    813 #define	ISP_HA_FC_2322		0x50
    814 #define	ISP_HA_FC_2400		0x60
    815 #define	ISP_HA_FC_2500		0x70
    816 
    817 #define	IS_SCSI(isp)	(isp->isp_type & ISP_HA_SCSI)
    818 #define	IS_1020(isp)	(isp->isp_type < ISP_HA_SCSI_1240)
    819 #define	IS_1240(isp)	(isp->isp_type == ISP_HA_SCSI_1240)
    820 #define	IS_1080(isp)	(isp->isp_type == ISP_HA_SCSI_1080)
    821 #define	IS_1280(isp)	(isp->isp_type == ISP_HA_SCSI_1280)
    822 #define	IS_10160(isp)	(isp->isp_type == ISP_HA_SCSI_10160)
    823 #define	IS_12160(isp)	(isp->isp_type == ISP_HA_SCSI_12160)
    824 
    825 #define	IS_12X0(isp)	(IS_1240(isp) || IS_1280(isp))
    826 #define	IS_1X160(isp)	(IS_10160(isp) || IS_12160(isp))
    827 #define	IS_DUALBUS(isp)	(IS_12X0(isp) || IS_12160(isp))
    828 #define	IS_ULTRA2(isp)	(IS_1080(isp) || IS_1280(isp) || IS_1X160(isp))
    829 #define	IS_ULTRA3(isp)	(IS_1X160(isp))
    830 
    831 #define	IS_FC(isp)	((isp)->isp_type & ISP_HA_FC)
    832 #define	IS_2100(isp)	((isp)->isp_type == ISP_HA_FC_2100)
    833 #define	IS_2200(isp)	((isp)->isp_type == ISP_HA_FC_2200)
    834 #define	IS_23XX(isp)	((isp)->isp_type >= ISP_HA_FC_2300 && \
    835 				(isp)->isp_type < ISP_HA_FC_2400)
    836 #define	IS_2300(isp)	((isp)->isp_type == ISP_HA_FC_2300)
    837 #define	IS_2312(isp)	((isp)->isp_type == ISP_HA_FC_2312)
    838 #define	IS_2322(isp)	((isp)->isp_type == ISP_HA_FC_2322)
    839 #define	IS_24XX(isp)	((isp)->isp_type >= ISP_HA_FC_2400)
    840 #define	IS_25XX(isp)	((isp)->isp_type >= ISP_HA_FC_2500)
    841 
    842 /*
    843  * DMA related macros
    844  */
    845 #define	DMA_WD3(x)	(((uint16_t)(((uint64_t)x) >> 48)) & 0xffff)
    846 #define	DMA_WD2(x)	(((uint16_t)(((uint64_t)x) >> 32)) & 0xffff)
    847 #define	DMA_WD1(x)	((uint16_t)((x) >> 16) & 0xffff)
    848 #define	DMA_WD0(x)	((uint16_t)((x) & 0xffff))
    849 
    850 #define	DMA_LO32(x)	((uint32_t) (x))
    851 #define	DMA_HI32(x)	((uint32_t)(((uint64_t)x) >> 32))
    852 
    853 /*
    854  * Core System Function Prototypes
    855  */
    856 
    857 /*
    858  * Reset Hardware. Totally. Assumes that you'll follow this with a call to isp_init.
    859  */
    860 void isp_reset(ispsoftc_t *, int);
    861 
    862 /*
    863  * Initialize Hardware to known state
    864  */
    865 void isp_init(ispsoftc_t *);
    866 
    867 /*
    868  * Reset the ISP and call completion for any orphaned commands.
    869  */
    870 void isp_reinit(ispsoftc_t *, int);
    871 
    872 /*
    873  * Internal Interrupt Service Routine
    874  *
    875  * The outer layers do the spade work to get the appropriate status register,
    876  * semaphore register and first mailbox register (if appropriate). This also
    877  * means that most spurious/bogus interrupts not for us can be filtered first.
    878  */
    879 void isp_intr(ispsoftc_t *, uint32_t, uint16_t, uint16_t);
    880 
    881 
    882 /*
    883  * Command Entry Point- Platform Dependent layers call into this
    884  */
    885 int isp_start(XS_T *);
    886 
    887 /* these values are what isp_start returns */
    888 #define	CMD_COMPLETE	101	/* command completed */
    889 #define	CMD_EAGAIN	102	/* busy- maybe retry later */
    890 #define	CMD_QUEUED	103	/* command has been queued for execution */
    891 #define	CMD_RQLATER 	104	/* requeue this command later */
    892 
    893 /*
    894  * Command Completion Point- Core layers call out from this with completed cmds
    895  */
    896 void isp_done(XS_T *);
    897 
    898 /*
    899  * Platform Dependent to External to Internal Control Function
    900  *
    901  * Assumes locks are held on entry. You should note that with many of
    902  * these commands locks may be released while this function is called.
    903  *
    904  * ... ISPCTL_RESET_BUS, int channel);
    905  *        Reset BUS on this channel
    906  * ... ISPCTL_RESET_DEV, int channel, int target);
    907  *        Reset Device on this channel at this target.
    908  * ... ISPCTL_ABORT_CMD, XS_T *xs);
    909  *        Abort active transaction described by xs.
    910  * ... IPCTL_UPDATE_PARAMS);
    911  *        Update any operating parameters (speed, etc.)
    912  * ... ISPCTL_FCLINK_TEST, int channel);
    913  *        Test FC link status on this channel
    914  * ... ISPCTL_SCAN_FABRIC, int channel);
    915  *        Scan fabric on this channel
    916  * ... ISPCTL_SCAN_LOOP, int channel);
    917  *        Scan local loop on this channel
    918  * ... ISPCTL_PDB_SYNC, int channel);
    919  *        Synchronize port database on this channel
    920  * ... ISPCTL_SEND_LIP, int channel);
    921  *        Send a LIP on this channel
    922  * ... ISPCTL_GET_NAMES, int channel, int np, uint64_t *wwnn, uint64_t *wwpn)
    923  *        Get a WWNN/WWPN for this N-port handle on this channel
    924  * ... ISPCTL_RUN_MBOXCMD, mbreg_t *mbp)
    925  *        Run this mailbox command
    926  * ... ISPCTL_GET_PDB, int channel, int nphandle, isp_pdb_t *pdb)
    927  *        Get PDB on this channel for this N-port handle
    928  * ... ISPCTL_PLOGX, isp_plcmd_t *)
    929  *        Performa a port login/logout
    930  *
    931  * ISPCTL_PDB_SYNC is somewhat misnamed. It actually is the final step, in
    932  * order, of ISPCTL_FCLINK_TEST, ISPCTL_SCAN_FABRIC, and ISPCTL_SCAN_LOOP.
    933  * The main purpose of ISPCTL_PDB_SYNC is to complete management of logging
    934  * and logging out of fabric devices (if one is on a fabric) and then marking
    935  * the 'loop state' as being ready to now be used for sending commands to
    936  * devices. Originally fabric name server and local loop scanning were
    937  * part of this function. It's now been separated to allow for finer control.
    938  */
    939 typedef enum {
    940 	ISPCTL_RESET_BUS,
    941 	ISPCTL_RESET_DEV,
    942 	ISPCTL_ABORT_CMD,
    943 	ISPCTL_UPDATE_PARAMS,
    944 	ISPCTL_FCLINK_TEST,
    945 	ISPCTL_SCAN_FABRIC,
    946 	ISPCTL_SCAN_LOOP,
    947 	ISPCTL_PDB_SYNC,
    948 	ISPCTL_SEND_LIP,
    949 	ISPCTL_GET_NAMES,
    950 	ISPCTL_RUN_MBOXCMD,
    951 	ISPCTL_GET_PDB,
    952 	ISPCTL_PLOGX
    953 } ispctl_t;
    954 int isp_control(ispsoftc_t *, ispctl_t, ...);
    955 
    956 /*
    957  * Platform Dependent to Internal to External Control Function
    958  */
    959 
    960 typedef enum {
    961 	ISPASYNC_NEW_TGT_PARAMS,	/* SPI New Target Parameters */
    962 	ISPASYNC_BUS_RESET,		/* All Bus Was Reset */
    963 	ISPASYNC_LOOP_DOWN,		/* FC Loop Down */
    964 	ISPASYNC_LOOP_UP,		/* FC Loop Up */
    965 	ISPASYNC_LIP,			/* FC LIP Received */
    966 	ISPASYNC_LOOP_RESET,		/* FC Loop Reset Received */
    967 	ISPASYNC_CHANGE_NOTIFY,		/* FC Change Notification */
    968 	ISPASYNC_DEV_ARRIVED,		/* FC Device Arrived */
    969 	ISPASYNC_DEV_CHANGED,		/* FC Device Changed */
    970 	ISPASYNC_DEV_STAYED,		/* FC Device Stayed */
    971 	ISPASYNC_DEV_GONE,		/* FC Device Departure */
    972 	ISPASYNC_TARGET_NOTIFY,		/* All target async notification */
    973 	ISPASYNC_TARGET_ACTION,		/* All target action requested */
    974 	ISPASYNC_FW_CRASH,		/* All Firmware has crashed */
    975 	ISPASYNC_FW_RESTARTED		/* All Firmware has been restarted */
    976 } ispasync_t;
    977 void isp_async(ispsoftc_t *, ispasync_t, ...);
    978 
    979 #define	ISPASYNC_CHANGE_PDB	0
    980 #define	ISPASYNC_CHANGE_SNS	1
    981 #define	ISPASYNC_CHANGE_OTHER	2
    982 
    983 /*
    984  * Platform Dependent Error and Debug Printout
    985  *
    986  * Two required functions for each platform must be provided:
    987  *
    988  *    void isp_prt(ispsoftc_t *, int level, const char *, ...)
    989  *    void isp_xs_prt(ispsoftc_t *, XS_T *, int level, const char *, ...)
    990  *
    991  * but due to compiler differences on different platforms this won't be
    992  * formally defined here. Instead, they go in each platform definition file.
    993  */
    994 
    995 #define	ISP_LOGALL	0x0	/* log always */
    996 #define	ISP_LOGCONFIG	0x1	/* log configuration messages */
    997 #define	ISP_LOGINFO	0x2	/* log informational messages */
    998 #define	ISP_LOGWARN	0x4	/* log warning messages */
    999 #define	ISP_LOGERR	0x8	/* log error messages */
   1000 #define	ISP_LOGDEBUG0	0x10	/* log simple debug messages */
   1001 #define	ISP_LOGDEBUG1	0x20	/* log intermediate debug messages */
   1002 #define	ISP_LOGDEBUG2	0x40	/* log most debug messages */
   1003 #define	ISP_LOGDEBUG3	0x80	/* log high frequency debug messages */
   1004 #define	ISP_LOGSANCFG	0x100	/* log SAN configuration */
   1005 #define	ISP_LOG_CWARN	0x200	/* log SCSI command "warnings" (e.g., check conditions) */
   1006 #define	ISP_LOGTINFO	0x1000	/* log informational messages (target mode) */
   1007 #define	ISP_LOGTDEBUG0	0x2000	/* log simple debug messages (target mode) */
   1008 #define	ISP_LOGTDEBUG1	0x4000	/* log intermediate debug messages (target) */
   1009 #define	ISP_LOGTDEBUG2	0x8000	/* log all debug messages (target) */
   1010 
   1011 /*
   1012  * Each Platform provides its own isposinfo substructure of the ispsoftc
   1013  * defined above.
   1014  *
   1015  * Each platform must also provide the following macros/defines:
   1016  *
   1017  *
   1018  *	ISP_FC_SCRLEN				FC scratch area DMA length
   1019  *
   1020  *	ISP_MEMZERO(dst, src)			platform zeroing function
   1021  *	ISP_MEMCPY(dst, src, count)		platform copying function
   1022  *	ISP_SNPRINTF(buf, bufsize, fmt, ...)	snprintf
   1023  *	ISP_DELAY(usecs)			microsecond spindelay function
   1024  *	ISP_SLEEP(isp, usecs)			microsecond sleep function
   1025  *
   1026  *	ISP_INLINE				___inline or not- depending on how
   1027  *						good your debugger is
   1028  *	ISP_MIN					shorthand for ((a) < (b))? (a) : (b)
   1029  *
   1030  *	NANOTIME_T				nanosecond time type
   1031  *
   1032  *	GET_NANOTIME(NANOTIME_T *)		get current nanotime.
   1033  *
   1034  *	GET_NANOSEC(NANOTIME_T *)		get uint64_t from NANOTIME_T
   1035  *
   1036  *	NANOTIME_SUB(NANOTIME_T *, NANOTIME_T *)
   1037  *						subtract two NANOTIME_T values
   1038  *
   1039  *	MAXISPREQUEST(ispsoftc_t *)		maximum request queue size
   1040  *						for this particular board type
   1041  *
   1042  *	MEMORYBARRIER(ispsoftc_t *, barrier_type, offset, size, chan)
   1043  *
   1044  *		Function/Macro the provides memory synchronization on
   1045  *		various objects so that the ISP's and the system's view
   1046  *		of the same object is consistent.
   1047  *
   1048  *	MBOX_ACQUIRE(ispsoftc_t *)		acquire lock on mailbox regs
   1049  *	MBOX_WAIT_COMPLETE(ispsoftc_t *, mbreg_t *) wait for cmd to be done
   1050  *	MBOX_NOTIFY_COMPLETE(ispsoftc_t *)	notification of mbox cmd donee
   1051  *	MBOX_RELEASE(ispsoftc_t *)		release lock on mailbox regs
   1052  *
   1053  *	FC_SCRATCH_ACQUIRE(ispsoftc_t *, chan)	acquire lock on FC scratch area
   1054  *						return -1 if you cannot
   1055  *	FC_SCRATCH_RELEASE(ispsoftc_t *, chan)	acquire lock on FC scratch area
   1056  *
   1057  *	SCSI_GOOD	SCSI 'Good' Status
   1058  *	SCSI_CHECK	SCSI 'Check Condition' Status
   1059  *	SCSI_BUSY	SCSI 'Busy' Status
   1060  *	SCSI_QFULL	SCSI 'Queue Full' Status
   1061  *
   1062  *	XS_T			Platform SCSI transaction type (i.e., command for HBA)
   1063  *	XS_DMA_ADDR_T		Platform PCI DMA Address Type
   1064  *	XS_GET_DMA_SEG(..)	Get 32 bit dma segment list value
   1065  *	XS_GET_DMA64_SEG(..)	Get 64 bit dma segment list value
   1066  *	XS_ISP(xs)		gets an instance out of an XS_T
   1067  *	XS_CHANNEL(xs)		gets the channel (bus # for DUALBUS cards) ""
   1068  *	XS_TGT(xs)		gets the target ""
   1069  *	XS_LUN(xs)		gets the lun ""
   1070  *	XS_CDBP(xs)		gets a pointer to the scsi CDB ""
   1071  *	XS_CDBLEN(xs)		gets the CDB's length ""
   1072  *	XS_XFRLEN(xs)		gets the associated data transfer length ""
   1073  *	XS_TIME(xs)		gets the time (in milliseconds) for this command
   1074  *	XS_GET_RESID(xs)	gets the current residual count
   1075  *	XS_GET_RESID(xs, resid)	sets the current residual count
   1076  *	XS_STSP(xs)		gets a pointer to the SCSI status byte ""
   1077  *	XS_SNSP(xs)		gets a pointer to the associate sense data
   1078  *	XS_SNSLEN(xs)		gets the length of sense data storage
   1079  *	XS_SNSKEY(xs)		dereferences XS_SNSP to get the current stored Sense Key
   1080  *	XS_SNSASC(xs)		dereferences XS_SNSP to get the current stored Additional Sense Code
   1081  *	XS_SNSASCQ(xs)		dereferences XS_SNSP to get the current stored Additional Sense Code Qualifier
   1082  *	XS_TAG_P(xs)		predicate of whether this command should be tagged
   1083  *	XS_TAG_TYPE(xs)		which type of tag to use
   1084  *	XS_SETERR(xs)		set error state
   1085  *
   1086  *		HBA_NOERROR	command has no erros
   1087  *		HBA_BOTCH	hba botched something
   1088  *		HBA_CMDTIMEOUT	command timed out
   1089  *		HBA_SELTIMEOUT	selection timed out (also port logouts for FC)
   1090  *		HBA_TGTBSY	target returned a BUSY status
   1091  *		HBA_BUSRESET	bus reset destroyed command
   1092  *		HBA_ABORTED	command was aborted (by request)
   1093  *		HBA_DATAOVR	a data overrun was detected
   1094  *		HBA_ARQFAIL	Automatic Request Sense failed
   1095  *
   1096  *	XS_ERR(xs)	return current error state
   1097  *	XS_NOERR(xs)	there is no error currently set
   1098  *	XS_INITERR(xs)	initialize error state
   1099  *
   1100  *	XS_SAVE_SENSE(xs, sp, len)	save sense data
   1101  *
   1102  *	XS_SENSE_VALID(xs)		indicates whether sense is valid
   1103  *
   1104  *	DEFAULT_FRAMESIZE(ispsoftc_t *)		Default Frame Size
   1105  *	DEFAULT_EXEC_THROTTLE(ispsoftc_t *)	Default Execution Throttle
   1106  *
   1107  *	GET_DEFAULT_ROLE(ispsoftc_t *, int)	Get Default Role for a channel
   1108  *	SET_DEFAULT_ROLE(ispsoftc_t *, int, int) Set Default Role for a channel
   1109  *	DEFAULT_IID(ispsoftc_t *, int)		Default SCSI initiator ID
   1110  *	DEFAULT_LOOPID(ispsoftc_t *, int)	Default FC Loop ID
   1111  *
   1112  *		These establish reasonable defaults for each platform.
   1113  * 		These must be available independent of card NVRAM and are
   1114  *		to be used should NVRAM not be readable.
   1115  *
   1116  *	DEFAULT_NODEWWN(ispsoftc_t *, chan)	Default FC Node WWN to use
   1117  *	DEFAULT_PORTWWN(ispsoftc_t *, chan)	Default FC Port WWN to use
   1118  *
   1119  *		These defines are hooks to allow the setting of node and
   1120  *		port WWNs when NVRAM cannot be read or is to be overridden.
   1121  *
   1122  *	ACTIVE_NODEWWN(ispsoftc_t *, chan)	FC Node WWN to use
   1123  *	ACTIVE_PORTWWN(ispsoftc_t *, chan)	FC Port WWN to use
   1124  *
   1125  *		After NVRAM is read, these will be invoked to get the
   1126  *		node and port WWNs that will actually be used for this
   1127  *		channel.
   1128  *
   1129  *
   1130  *	ISP_IOXPUT_8(ispsoftc_t *, uint8_t srcval, uint8_t *dstptr)
   1131  *	ISP_IOXPUT_16(ispsoftc_t *, uint16_t srcval, uint16_t *dstptr)
   1132  *	ISP_IOXPUT_32(ispsoftc_t *, uint32_t srcval, uint32_t *dstptr)
   1133  *
   1134  *	ISP_IOXGET_8(ispsoftc_t *, uint8_t *srcptr, uint8_t dstrval)
   1135  *	ISP_IOXGET_16(ispsoftc_t *, uint16_t *srcptr, uint16_t dstrval)
   1136  *	ISP_IOXGET_32(ispsoftc_t *, uint32_t *srcptr, uint32_t dstrval)
   1137  *
   1138  *	ISP_SWIZZLE_NVRAM_WORD(ispsoftc_t *, uint16_t *)
   1139  *	ISP_SWIZZLE_NVRAM_LONG(ispsoftc_t *, uint32_t *)
   1140  *	ISP_SWAP16(ispsoftc_t *, uint16_t srcval)
   1141  *	ISP_SWAP32(ispsoftc_t *, uint32_t srcval)
   1142  */
   1143 
   1144 #ifdef	ISP_TARGET_MODE
   1145 /*
   1146  * The functions below are for the publicly available
   1147  * target mode functions that are internal to the Qlogic driver.
   1148  */
   1149 
   1150 /*
   1151  * This function handles new response queue entry appropriate for target mode.
   1152  */
   1153 int isp_target_notify(ispsoftc_t *, void *, uint32_t *);
   1154 
   1155 /*
   1156  * This function externalizes the ability to acknowledge an Immediate Notify request.
   1157  */
   1158 int isp_notify_ack(ispsoftc_t *, void *);
   1159 
   1160 /*
   1161  * This function externalized acknowledging (success/fail) an ABTS frame
   1162  */
   1163 int isp_acknak_abts(ispsoftc_t *, void *, int);
   1164 
   1165 /*
   1166  * Enable/Disable/Modify a logical unit.
   1167  * (softc, cmd, bus, tgt, lun, cmd_cnt, inotify_cnt)
   1168  */
   1169 #define	DFLT_CMND_CNT	0xfe	/* unmonitored */
   1170 #define	DFLT_INOT_CNT	0xfe	/* unmonitored */
   1171 int isp_lun_cmd(ispsoftc_t *, int, int, int, int, int);
   1172 
   1173 /*
   1174  * General request queue 'put' routine for target mode entries.
   1175  */
   1176 int isp_target_put_entry(ispsoftc_t *isp, void *);
   1177 
   1178 /*
   1179  * General routine to put back an ATIO entry-
   1180  * used for replenishing f/w resource counts.
   1181  * The argument is a pointer to a source ATIO
   1182  * or ATIO2.
   1183  */
   1184 int isp_target_put_atio(ispsoftc_t *, void *);
   1185 
   1186 /*
   1187  * General routine to send a final CTIO for a command- used mostly for
   1188  * local responses.
   1189  */
   1190 int isp_endcmd(ispsoftc_t *, ...);
   1191 #define	ECMD_SVALID	0x100
   1192 #define	ECMD_TERMINATE	0x200
   1193 
   1194 /*
   1195  * Handle an asynchronous event
   1196  *
   1197  * Return nonzero if the interrupt that generated this event has been dismissed.
   1198  */
   1199 int isp_target_async(ispsoftc_t *, int, int);
   1200 #endif
   1201 #endif	/* _ISPVAR_H */
   1202