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ispvar.h revision 1.29
      1 /* $NetBSD: ispvar.h,v 1.29 2000/02/12 02:29:00 mjacob Exp $ */
      2 /*
      3  * Copyright (C) 1999 National Aeronautics & Space Administration
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. The name of the author may not be used to endorse or promote products
     15  *    derived from this software without specific prior written permission
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 /*
     30  * Soft Definitions for for Qlogic ISP SCSI adapters.
     31  * Matthew Jacob <mjacob (at) nas.nasa.gov>
     32  */
     33 #ifndef	_ISPVAR_H
     34 #define	_ISPVAR_H
     35 
     36 #if defined(__NetBSD__) || defined(__OpenBSD__)
     37 #include <dev/ic/ispmbox.h>
     38 #ifdef	ISP_TARGET_MODE
     39 #include <dev/ic/isp_target.h>
     40 #include <dev/ic/isp_tpublic.h>
     41 #endif
     42 #endif
     43 #ifdef	__FreeBSD__
     44 #include <dev/isp/ispmbox.h>
     45 #ifdef	ISP_TARGET_MODE
     46 #include <dev/isp/isp_target.h>
     47 #include <dev/isp/isp_tpublic.h>
     48 #endif
     49 #endif
     50 #ifdef	__linux__
     51 #include "ispmbox.h"
     52 #ifdef	ISP_TARGET_MODE
     53 #include "isp_target.h"
     54 #include "isp_tpublic.h"
     55 #endif
     56 #endif
     57 
     58 #define	ISP_CORE_VERSION_MAJOR	1
     59 #define	ISP_CORE_VERSION_MINOR	12
     60 
     61 /*
     62  * Vector for bus specific code to provide specific services.
     63  */
     64 struct ispsoftc;
     65 struct ispmdvec {
     66 	u_int16_t	(*dv_rd_reg) __P((struct ispsoftc *, int));
     67 	void		(*dv_wr_reg) __P((struct ispsoftc *, int, u_int16_t));
     68 	int		(*dv_mbxdma) __P((struct ispsoftc *));
     69 	int		(*dv_dmaset) __P((struct ispsoftc *,
     70 		ISP_SCSI_XFER_T *, ispreq_t *, u_int16_t *, u_int16_t));
     71 	void		(*dv_dmaclr)
     72 		__P((struct ispsoftc *, ISP_SCSI_XFER_T *, u_int32_t));
     73 	void		(*dv_reset0) __P((struct ispsoftc *));
     74 	void		(*dv_reset1) __P((struct ispsoftc *));
     75 	void		(*dv_dregs) __P((struct ispsoftc *));
     76 	const u_int16_t *dv_ispfw;	/* ptr to f/w */
     77 	u_int16_t 	dv_fwlen;	/* length of f/w */
     78 	u_int16_t	dv_codeorg;	/* code ORG for f/w */
     79 	u_int32_t	dv_fwrev;	/* f/w revision */
     80 	/*
     81 	 * Initial values for conf1 register
     82 	 */
     83 	u_int16_t	dv_conf1;
     84 	u_int16_t	dv_clock;	/* clock frequency */
     85 };
     86 
     87 #define	MAX_TARGETS	16
     88 #ifdef	ISP2100_FABRIC
     89 #define	MAX_FC_TARG	256
     90 #else
     91 #define	MAX_FC_TARG	126
     92 #endif
     93 
     94 #define	ISP_MAX_TARGETS(isp)	(IS_FC(isp)? MAX_FC_TARG : MAX_TARGETS)
     95 #ifdef	ISP2100_SCCLUN
     96 #define	_ISP_FC_LUN(isp)	65536
     97 #else
     98 #define	_ISP_FC_LUN(isp)	16
     99 #endif
    100 #define	_ISP_SCSI_LUN(isp)	\
    101 	((ISP_FW_REVX(isp->isp_fwrev) >= ISP_FW_REV(7, 55, 0))? 32 : 8)
    102 #define	ISP_MAX_LUNS(isp)	\
    103 	(IS_FC(isp)? _ISP_FC_LUN(isp) : _ISP_SCSI_LUN(isp))
    104 
    105 
    106 /*
    107  * Macros to read, write ISP registers through bus specific code.
    108  */
    109 
    110 #define	ISP_READ(isp, reg)	\
    111 	(*(isp)->isp_mdvec->dv_rd_reg)((isp), (reg))
    112 
    113 #define	ISP_WRITE(isp, reg, val)	\
    114 	(*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), (val))
    115 
    116 #define	ISP_MBOXDMASETUP(isp)	\
    117 	(*(isp)->isp_mdvec->dv_mbxdma)((isp))
    118 
    119 #define	ISP_DMASETUP(isp, xs, req, iptrp, optr)	\
    120 	(*(isp)->isp_mdvec->dv_dmaset)((isp), (xs), (req), (iptrp), (optr))
    121 
    122 #define	ISP_DMAFREE(isp, xs, hndl)	\
    123 	if ((isp)->isp_mdvec->dv_dmaclr) \
    124 	    (*(isp)->isp_mdvec->dv_dmaclr)((isp), (xs), (hndl))
    125 
    126 #define	ISP_RESET0(isp)	\
    127 	if ((isp)->isp_mdvec->dv_reset0) (*(isp)->isp_mdvec->dv_reset0)((isp))
    128 #define	ISP_RESET1(isp)	\
    129 	if ((isp)->isp_mdvec->dv_reset1) (*(isp)->isp_mdvec->dv_reset1)((isp))
    130 #define	ISP_DUMPREGS(isp)	\
    131 	if ((isp)->isp_mdvec->dv_dregs) (*(isp)->isp_mdvec->dv_dregs)((isp))
    132 
    133 #define	ISP_SETBITS(isp, reg, val)	\
    134  (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) | (val))
    135 
    136 #define	ISP_CLRBITS(isp, reg, val)	\
    137  (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) & ~(val))
    138 
    139 /* this is the size of a queue entry (request and response) */
    140 #define	QENTRY_LEN			64
    141 /* both request and result queue length must be a power of two */
    142 #define	RQUEST_QUEUE_LEN		MAXISPREQUEST
    143 /* I've seen wierdnesses with the result queue < 64 */
    144 #if	MAXISPREQUEST > 64
    145 #define	RESULT_QUEUE_LEN		(MAXISPREQUEST/2)
    146 #else
    147 #define	RESULT_QUEUE_LEN		MAXISPREQUEST
    148 #endif
    149 #define	ISP_QUEUE_ENTRY(q, idx)		((q) + ((idx) * QENTRY_LEN))
    150 #define	ISP_QUEUE_SIZE(n)		((n) * QENTRY_LEN)
    151 #define	ISP_NXT_QENTRY(idx, qlen)	(((idx) + 1) & ((qlen)-1))
    152 #define	ISP_QAVAIL(in, out, qlen)	\
    153 	((in == out)? (qlen - 1) : ((in > out)? \
    154 	((qlen - 1) - (in - out)) : (out - in - 1)))
    155 
    156 #define	ISP_ADD_REQUEST(isp, iptr)	\
    157 	ISP_WRITE(isp, INMAILBOX4, iptr), isp->isp_reqidx = iptr
    158 
    159 /*
    160  * SCSI Specific Host Adapter Parameters- per bus, per target
    161  */
    162 
    163 typedef struct {
    164 	u_int		isp_gotdparms		: 1,
    165 			isp_req_ack_active_neg	: 1,
    166 			isp_data_line_active_neg: 1,
    167 			isp_cmd_dma_burst_enable: 1,
    168 			isp_data_dma_burst_enabl: 1,
    169 			isp_fifo_threshold	: 3,
    170 			isp_ultramode		: 1,
    171 			isp_diffmode		: 1,
    172 			isp_lvdmode		: 1,
    173 						: 1,
    174 			isp_initiator_id	: 4,
    175 			isp_async_data_setup	: 4;
    176 	u_int16_t	isp_selection_timeout;
    177 	u_int16_t	isp_max_queue_depth;
    178 	u_int8_t	isp_tag_aging;
    179 	u_int8_t	isp_bus_reset_delay;
    180 	u_int8_t	isp_retry_count;
    181 	u_int8_t	isp_retry_delay;
    182 	struct {
    183 		u_int	dev_enable	:	1,	/* ignored */
    184 					:	1,
    185 			dev_update	:	1,
    186 			dev_refresh	:	1,
    187 			exc_throttle	:	8,
    188 			cur_offset	:	4,
    189 			sync_offset	:	4;
    190 		u_int8_t	cur_period;	/* current sync period */
    191 		u_int8_t	sync_period;	/* goal sync period */
    192 		u_int16_t	dev_flags;	/* goal device flags */
    193 		u_int16_t	cur_dflags;	/* current device flags */
    194 	} isp_devparam[MAX_TARGETS];
    195 } sdparam;
    196 
    197 /*
    198  * Device Flags
    199  */
    200 #define	DPARM_DISC	0x8000
    201 #define	DPARM_PARITY	0x4000
    202 #define	DPARM_WIDE	0x2000
    203 #define	DPARM_SYNC	0x1000
    204 #define	DPARM_TQING	0x0800
    205 #define	DPARM_ARQ	0x0400
    206 #define	DPARM_QFRZ	0x0200
    207 #define	DPARM_RENEG	0x0100
    208 #define	DPARM_NARROW	0x0080	/* Possibly only available with >= 7.55 fw */
    209 #define	DPARM_ASYNC	0x0040	/* Possibly only available with >= 7.55 fw */
    210 #define	DPARM_DEFAULT	(0xFF00 & ~DPARM_QFRZ)
    211 #define	DPARM_SAFE_DFLT	(DPARM_DEFAULT & ~(DPARM_WIDE|DPARM_SYNC|DPARM_TQING))
    212 
    213 
    214 /* technically, not really correct, as they need to be rated based upon clock */
    215 #define	ISP_40M_SYNCPARMS	0x080a
    216 #define	ISP_20M_SYNCPARMS	0x080c
    217 #define	ISP_10M_SYNCPARMS	0x0c19
    218 #define	ISP_08M_SYNCPARMS	0x0c25
    219 #define	ISP_05M_SYNCPARMS	0x0c32
    220 #define	ISP_04M_SYNCPARMS	0x0c41
    221 
    222 /*
    223  * Fibre Channel Specifics
    224  */
    225 #define	FL_PORT_ID		0x7e	/* FL_Port Special ID */
    226 #define	FC_PORT_ID		0x7f	/* Fabric Controller Special ID */
    227 #define	FC_SNS_ID		0x80	/* SNS Server Special ID */
    228 
    229 typedef struct {
    230 	u_int32_t		isp_fwoptions	: 16,
    231 						: 7,
    232 				loop_seen_once	: 1,
    233 				isp_loopstate	: 3,	/* Current Loop State */
    234 				isp_fwstate	: 3,	/* ISP F/W state */
    235 				isp_gotdparms	: 1,
    236 				isp_onfabric	: 1;
    237 	u_int8_t		isp_loopid;	/* hard loop id */
    238 	u_int8_t		isp_alpa;	/* ALPA */
    239 	volatile u_int16_t	isp_lipseq;	/* LIP sequence # */
    240 	u_int32_t		isp_portid;
    241 	u_int8_t		isp_execthrottle;
    242 	u_int8_t		isp_retry_delay;
    243 	u_int8_t		isp_retry_count;
    244 	u_int8_t		isp_reserved;
    245 	u_int16_t		isp_maxalloc;
    246 	u_int16_t		isp_maxfrmlen;
    247 	u_int64_t		isp_nodewwn;
    248 	u_int64_t		isp_portwwn;
    249 	/*
    250 	 * Port Data Base. This is indexed by 'target', which is invariate.
    251 	 * However, elements within can move around due to loop changes,
    252 	 * so the actual loop ID passed to the F/W is in this structure.
    253 	 * The first time the loop is seen up, loopid will match the index
    254 	 * (except for fabric nodes which are above mapped above FC_SNS_ID
    255 	 * and are completely virtual), but subsequent LIPs can cause things
    256 	 * to move around.
    257 	 */
    258 	struct lportdb {
    259 		u_int
    260 					loopid	: 8,
    261 						: 4,
    262 					fabdev	: 1,
    263 					roles	: 2,
    264 					valid	: 1;
    265 		u_int32_t		portid;
    266 		u_int64_t		node_wwn;
    267 		u_int64_t		port_wwn;
    268 	} portdb[MAX_FC_TARG], tport[FL_PORT_ID];
    269 
    270 	/*
    271 	 * Scratch DMA mapped in area to fetch Port Database stuff, etc.
    272 	 */
    273 	caddr_t			isp_scratch;
    274 	u_int32_t		isp_scdma;
    275 } fcparam;
    276 
    277 #define	FW_CONFIG_WAIT		0
    278 #define	FW_WAIT_AL_PA		1
    279 #define	FW_WAIT_LOGIN		2
    280 #define	FW_READY		3
    281 #define	FW_LOSS_OF_SYNC		4
    282 #define	FW_ERROR		5
    283 #define	FW_REINIT		6
    284 #define	FW_NON_PART		7
    285 
    286 #define	LOOP_NIL		0
    287 #define	LOOP_LIP_RCVD		1
    288 #define	LOOP_PDB_RCVD		2
    289 #define	LOOP_READY		7
    290 
    291 /*
    292  * Soft Structure per host adapter
    293  */
    294 struct ispsoftc {
    295 	/*
    296 	 * Platform (OS) specific data
    297 	 */
    298 	struct isposinfo	isp_osinfo;
    299 
    300 	/*
    301 	 * Pointer to bus specific functions and data
    302 	 */
    303 	struct ispmdvec *	isp_mdvec;
    304 
    305 	/*
    306 	 * (Mostly) nonvolatile state. Board specific parameters
    307 	 * may contain some volatile state (e.g., current loop state).
    308 	 */
    309 
    310 	void * 			isp_param;	/* type specific */
    311 	u_int16_t		isp_fwrev[3];	/* Loaded F/W revision */
    312 	u_int16_t		isp_romfw_rev[3]; /* PROM F/W revision */
    313 	u_int16_t		isp_maxcmds;	/* max possible I/O cmds */
    314 	u_int8_t		isp_type;	/* HBA Chip Type */
    315 	u_int8_t		isp_revision;	/* HBA Chip H/W Revision */
    316 
    317 	u_int32_t				: 4,
    318 				isp_touched	: 1,	/* board ever seen? */
    319 				isp_fast_mttr	: 1,	/* fast sram */
    320 				isp_bustype	: 1,	/* SBus or PCI */
    321 				isp_dogactive	: 1,	/* watchdog running */
    322 				isp_dblev	: 8,	/* debug level */
    323 				isp_clock	: 8,	/* input clock */
    324 				isp_confopts	: 8;	/* config options */
    325 
    326 	/*
    327 	 * Volatile state
    328 	 */
    329 
    330 	volatile u_int32_t	:	9,
    331 		isp_state	:	3,
    332 		isp_sendmarker	:	2,	/* send a marker entry */
    333 		isp_update	:	2,	/* update parameters */
    334 		isp_nactive	:	16;	/* how many commands active */
    335 
    336 	volatile u_int16_t	isp_reqodx;	/* index of last ISP pickup */
    337 	volatile u_int16_t	isp_reqidx;	/* index of next request */
    338 	volatile u_int16_t	isp_residx;	/* index of next result */
    339 	volatile u_int16_t	isp_lasthdls;	/* last handle seed */
    340 
    341 	/*
    342 	 * Active commands are stored here, indexed by handle functions.
    343 	 */
    344 	ISP_SCSI_XFER_T **isp_xflist;
    345 
    346 	/*
    347 	 * request/result queue pointers and dma handles for them.
    348 	 */
    349 	caddr_t			isp_rquest;
    350 	caddr_t			isp_result;
    351 	u_int32_t		isp_rquest_dma;
    352 	u_int32_t		isp_result_dma;
    353 };
    354 
    355 #define	SDPARAM(isp)	((sdparam *) (isp)->isp_param)
    356 #define	FCPARAM(isp)	((fcparam *) (isp)->isp_param)
    357 
    358 /*
    359  * ISP States
    360  */
    361 #define	ISP_NILSTATE	0
    362 #define	ISP_RESETSTATE	1
    363 #define	ISP_INITSTATE	2
    364 #define	ISP_RUNSTATE	3
    365 
    366 /*
    367  * ISP Configuration Options
    368  */
    369 #define	ISP_CFG_NORELOAD	0x80	/* don't download f/w */
    370 #define	ISP_CFG_NONVRAM		0x40	/* ignore NVRAM */
    371 #define	ISP_CFG_FULL_DUPLEX	0x01	/* Full Duplex (Fibre Channel only) */
    372 #define	ISP_CFG_OWNWWN		0x02	/* override NVRAM wwn */
    373 #define	ISP_CFG_NPORT		0x04	/* try to force N- instead of L-Port */
    374 
    375 #define	ISP_FW_REV(maj, min, mic)	((maj << 24) | (min << 16) | mic)
    376 #define	ISP_FW_REVX(xp)	((xp[0]<<24) | (xp[1] << 16) | xp[2])
    377 
    378 /*
    379  * Bus (implementation) types
    380  */
    381 #define	ISP_BT_PCI		0	/* PCI Implementations */
    382 #define	ISP_BT_SBUS		1	/* SBus Implementations */
    383 
    384 /*
    385  * Chip Types
    386  */
    387 #define	ISP_HA_SCSI		0xf
    388 #define	ISP_HA_SCSI_UNKNOWN	0x1
    389 #define	ISP_HA_SCSI_1020	0x2
    390 #define	ISP_HA_SCSI_1020A	0x3
    391 #define	ISP_HA_SCSI_1040	0x4
    392 #define	ISP_HA_SCSI_1040A	0x5
    393 #define	ISP_HA_SCSI_1040B	0x6
    394 #define	ISP_HA_SCSI_1040C	0x7
    395 #define	ISP_HA_SCSI_1240	0x8
    396 #define	ISP_HA_SCSI_1080	0x9
    397 #define	ISP_HA_SCSI_1280	0xa
    398 #define	ISP_HA_SCSI_12160	0xb
    399 #define	ISP_HA_FC		0xf0
    400 #define	ISP_HA_FC_2100		0x10
    401 #define	ISP_HA_FC_2200		0x20
    402 
    403 #define	IS_SCSI(isp)	(isp->isp_type & ISP_HA_SCSI)
    404 #define	IS_1240(isp)	(isp->isp_type == ISP_HA_SCSI_1240)
    405 #define	IS_1080(isp)	(isp->isp_type == ISP_HA_SCSI_1080)
    406 #define	IS_1280(isp)	(isp->isp_type == ISP_HA_SCSI_1280)
    407 #define	IS_12160(isp)	(isp->isp_type == ISP_HA_SCSI_12160)
    408 
    409 #define	IS_12X0(isp)	(IS_1240(isp) || IS_1280(isp))
    410 #define	IS_DUALBUS(isp)	(IS_12X0(isp) || IS_12160(isp))
    411 #define	IS_ULTRA2(isp)	(IS_1080(isp) || IS_1280(isp) || IS_12160(isp))
    412 #define	IS_ULTRA3(isp)	(IS_12160(isp))
    413 
    414 #define	IS_FC(isp)	(isp->isp_type & ISP_HA_FC)
    415 #define	IS_2100(isp)	(isp->isp_type == ISP_HA_FC_2100)
    416 #define	IS_2200(isp)	(isp->isp_type == ISP_HA_FC_2200)
    417 
    418 
    419 /*
    420  * Function Prototypes
    421  */
    422 
    423 /*
    424  * Reset Hardware. Totally. Assumes that you'll follow this with
    425  * a call to isp_init.
    426  */
    427 void isp_reset __P((struct ispsoftc *));
    428 
    429 /*
    430  * Initialize Hardware to known state
    431  */
    432 void isp_init __P((struct ispsoftc *));
    433 
    434 /*
    435  * Reset the ISP and call completion for any orphaned commands.
    436  */
    437 void isp_restart __P((struct ispsoftc *));
    438 
    439 /*
    440  * Interrupt Service Routine
    441  */
    442 int isp_intr __P((void *));
    443 
    444 /*
    445  * Command Entry Point
    446  */
    447 int32_t ispscsicmd __P((ISP_SCSI_XFER_T *));
    448 
    449 /*
    450  * Platform Dependent to External to Internal Control Function
    451  *
    452  * Assumes all locks are held and that no reentrancy issues need be dealt with.
    453  *
    454  */
    455 typedef enum {
    456 	ISPCTL_RESET_BUS,		/* Reset Bus */
    457 	ISPCTL_RESET_DEV,		/* Reset Device */
    458 	ISPCTL_ABORT_CMD,		/* Abort Command */
    459 	ISPCTL_UPDATE_PARAMS,		/* Update Operating Parameters */
    460 	ISPCTL_FCLINK_TEST,		/* Test FC Link Status */
    461 	ISPCTL_PDB_SYNC,		/* Synchronize Port Database */
    462 	ISPCTL_TOGGLE_TMODE		/* toggle target mode */
    463 } ispctl_t;
    464 int isp_control __P((struct ispsoftc *, ispctl_t, void *));
    465 
    466 
    467 /*
    468  * Platform Dependent to Internal to External Control Function
    469  * (each platform must provide such a function)
    470  *
    471  * Assumes all locks are held and that no reentrancy issues need be dealt with.
    472  *
    473  */
    474 
    475 typedef enum {
    476 	ISPASYNC_NEW_TGT_PARAMS,
    477 	ISPASYNC_BUS_RESET,		/* Bus Was Reset */
    478 	ISPASYNC_LOOP_DOWN,		/* FC Loop Down */
    479 	ISPASYNC_LOOP_UP,		/* FC Loop Up */
    480 	ISPASYNC_PDB_CHANGED,		/* FC Port Data Base Changed */
    481 	ISPASYNC_CHANGE_NOTIFY,		/* FC SNS Change Notification */
    482 	ISPASYNC_FABRIC_DEV,		/* FC New Fabric Device */
    483 	ISPASYNC_TARGET_MESSAGE,	/* target message */
    484 	ISPASYNC_TARGET_EVENT,		/* target asynchronous event */
    485 	ISPASYNC_TARGET_ACTION		/* other target command action */
    486 } ispasync_t;
    487 int isp_async __P((struct ispsoftc *, ispasync_t, void *));
    488 
    489 /*
    490  * lost command routine (XXXX IN TRANSITION XXXX)
    491  */
    492 void isp_lostcmd __P((struct ispsoftc *, ISP_SCSI_XFER_T *));
    493 
    494 #endif	/* _ISPVAR_H */
    495