xref: /freebsd/sys/dev/isp/ispvar.h (revision 1d66272a85cde1c8a69c58f4b5dd649babd6eca6)
1 /* $FreeBSD$ */
2 /*
3  * Soft Definitions for for Qlogic ISP SCSI adapters.
4  *
5  * Copyright (c) 1997, 1998, 1999, 2000 by Matthew Jacob
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice immediately at the beginning of the file, without modification,
13  *    this list of conditions, and the following disclaimer.
14  * 2. 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 AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
21  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  */
30 
31 #ifndef	_ISPVAR_H
32 #define	_ISPVAR_H
33 
34 #if defined(__NetBSD__) || defined(__OpenBSD__)
35 #include <dev/ic/ispmbox.h>
36 #ifdef	ISP_TARGET_MODE
37 #include <dev/ic/isp_target.h>
38 #include <dev/ic/isp_tpublic.h>
39 #endif
40 #endif
41 #ifdef	__FreeBSD__
42 #include <dev/isp/ispmbox.h>
43 #ifdef	ISP_TARGET_MODE
44 #include <dev/isp/isp_target.h>
45 #include <dev/isp/isp_tpublic.h>
46 #endif
47 #endif
48 #ifdef	__linux__
49 #include "ispmbox.h"
50 #ifdef	ISP_TARGET_MODE
51 #include "isp_target.h"
52 #include "isp_tpublic.h"
53 #endif
54 #endif
55 
56 #define	ISP_CORE_VERSION_MAJOR	2
57 #define	ISP_CORE_VERSION_MINOR	0
58 
59 /*
60  * Vector for bus specific code to provide specific services.
61  */
62 struct ispsoftc;
63 struct ispmdvec {
64 	u_int16_t	(*dv_rd_reg) __P((struct ispsoftc *, int));
65 	void		(*dv_wr_reg) __P((struct ispsoftc *, int, u_int16_t));
66 	int		(*dv_mbxdma) __P((struct ispsoftc *));
67 	int		(*dv_dmaset) __P((struct ispsoftc *,
68 		XS_T *, ispreq_t *, u_int16_t *, u_int16_t));
69 	void		(*dv_dmaclr)
70 		__P((struct ispsoftc *, XS_T *, u_int32_t));
71 	void		(*dv_reset0) __P((struct ispsoftc *));
72 	void		(*dv_reset1) __P((struct ispsoftc *));
73 	void		(*dv_dregs) __P((struct ispsoftc *, const char *));
74 	const u_int16_t	*dv_ispfw;	/* ptr to f/w */
75 	u_int16_t	dv_conf1;
76 	u_int16_t	dv_clock;	/* clock frequency */
77 };
78 
79 /*
80  * Overall parameters
81  */
82 #define	MAX_TARGETS	16
83 #ifdef	ISP2100_FABRIC
84 #define	MAX_FC_TARG	256
85 #else
86 #define	MAX_FC_TARG	126
87 #endif
88 
89 #define	ISP_MAX_TARGETS(isp)	(IS_FC(isp)? MAX_FC_TARG : MAX_TARGETS)
90 #define	ISP_MAX_LUNS(isp)	(isp)->isp_maxluns
91 
92 
93 /*
94  * Macros to access ISP registers through bus specific layers-
95  * mostly wrappers to vector through the mdvec structure.
96  */
97 
98 #define	ISP_READ(isp, reg)	\
99 	(*(isp)->isp_mdvec->dv_rd_reg)((isp), (reg))
100 
101 #define	ISP_WRITE(isp, reg, val)	\
102 	(*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), (val))
103 
104 #define	ISP_MBOXDMASETUP(isp)	\
105 	(*(isp)->isp_mdvec->dv_mbxdma)((isp))
106 
107 #define	ISP_DMASETUP(isp, xs, req, iptrp, optr)	\
108 	(*(isp)->isp_mdvec->dv_dmaset)((isp), (xs), (req), (iptrp), (optr))
109 
110 #define	ISP_DMAFREE(isp, xs, hndl)	\
111 	if ((isp)->isp_mdvec->dv_dmaclr) \
112 	    (*(isp)->isp_mdvec->dv_dmaclr)((isp), (xs), (hndl))
113 
114 #define	ISP_RESET0(isp)	\
115 	if ((isp)->isp_mdvec->dv_reset0) (*(isp)->isp_mdvec->dv_reset0)((isp))
116 #define	ISP_RESET1(isp)	\
117 	if ((isp)->isp_mdvec->dv_reset1) (*(isp)->isp_mdvec->dv_reset1)((isp))
118 #define	ISP_DUMPREGS(isp, m)	\
119 	if ((isp)->isp_mdvec->dv_dregs) (*(isp)->isp_mdvec->dv_dregs)((isp),(m))
120 
121 #define	ISP_SETBITS(isp, reg, val)	\
122  (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) | (val))
123 
124 #define	ISP_CLRBITS(isp, reg, val)	\
125  (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) & ~(val))
126 
127 /*
128  * The MEMORYBARRIER macro is defined per platform (to provide synchronization
129  * on Request and Response Queues, Scratch DMA areas, and Registers)
130  *
131  * Defined Memory Barrier Synchronization Types
132  */
133 #define	SYNC_REQUEST	0	/* request queue synchronization */
134 #define	SYNC_RESULT	1	/* result queue synchronization */
135 #define	SYNC_SFORDEV	2	/* scratch, sync for ISP */
136 #define	SYNC_SFORCPU	3	/* scratch, sync for CPU */
137 #define	SYNC_REG	4	/* for registers */
138 
139 /*
140  * Request/Response Queue defines and macros.
141  * The maximum is defined per platform (and can be based on board type).
142  */
143 /* This is the size of a queue entry (request and response) */
144 #define	QENTRY_LEN			64
145 /* Both request and result queue length must be a power of two */
146 #define	RQUEST_QUEUE_LEN(x)		MAXISPREQUEST(x)
147 #define	RESULT_QUEUE_LEN(x)		\
148 	(((MAXISPREQUEST(x) >> 2) < 64)? 64 : MAXISPREQUEST(x) >> 2)
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_QFREE(in, out, qlen)	\
153 	((in == out)? (qlen - 1) : ((in > out)? \
154 	((qlen - 1) - (in - out)) : (out - in - 1)))
155 #define	ISP_QAVAIL(isp)	\
156 	ISP_QFREE(isp->isp_reqidx, isp->isp_reqodx, RQUEST_QUEUE_LEN(isp))
157 
158 #define	ISP_ADD_REQUEST(isp, iptr)	\
159 	MEMORYBARRIER(isp, SYNC_REQUEST, iptr, QENTRY_LEN); \
160 	ISP_WRITE(isp, INMAILBOX4, iptr); \
161 	isp->isp_reqidx = iptr
162 
163 /*
164  * SCSI Specific Host Adapter Parameters- per bus, per target
165  */
166 
167 typedef struct {
168 	u_int		isp_gotdparms		: 1,
169 			isp_req_ack_active_neg	: 1,
170 			isp_data_line_active_neg: 1,
171 			isp_cmd_dma_burst_enable: 1,
172 			isp_data_dma_burst_enabl: 1,
173 			isp_fifo_threshold	: 3,
174 			isp_ultramode		: 1,
175 			isp_diffmode		: 1,
176 			isp_lvdmode		: 1,
177 			isp_fast_mttr		: 1,	/* fast sram */
178 			isp_initiator_id	: 4,
179 			isp_async_data_setup	: 4;
180 	u_int16_t	isp_selection_timeout;
181 	u_int16_t	isp_max_queue_depth;
182 	u_int8_t	isp_tag_aging;
183 	u_int8_t	isp_bus_reset_delay;
184 	u_int8_t	isp_retry_count;
185 	u_int8_t	isp_retry_delay;
186 	struct {
187 		u_int	dev_enable	:	1,	/* ignored */
188 					:	1,
189 			dev_update	:	1,
190 			dev_refresh	:	1,
191 			exc_throttle	:	8,
192 			cur_offset	:	4,
193 			sync_offset	:	4;
194 		u_int8_t	cur_period;	/* current sync period */
195 		u_int8_t	sync_period;	/* goal sync period */
196 		u_int16_t	dev_flags;	/* goal device flags */
197 		u_int16_t	cur_dflags;	/* current device flags */
198 	} isp_devparam[MAX_TARGETS];
199 } sdparam;
200 
201 /*
202  * Device Flags
203  */
204 #define	DPARM_DISC	0x8000
205 #define	DPARM_PARITY	0x4000
206 #define	DPARM_WIDE	0x2000
207 #define	DPARM_SYNC	0x1000
208 #define	DPARM_TQING	0x0800
209 #define	DPARM_ARQ	0x0400
210 #define	DPARM_QFRZ	0x0200
211 #define	DPARM_RENEG	0x0100
212 #define	DPARM_NARROW	0x0080
213 #define	DPARM_ASYNC	0x0040
214 #define	DPARM_PPR	0x0020
215 #define	DPARM_DEFAULT	(0xFF00 & ~DPARM_QFRZ)
216 #define	DPARM_SAFE_DFLT	(DPARM_DEFAULT & ~(DPARM_WIDE|DPARM_SYNC|DPARM_TQING))
217 
218 
219 /* technically, not really correct, as they need to be rated based upon clock */
220 #define	ISP_80M_SYNCPARMS	0x0c09
221 #define	ISP_40M_SYNCPARMS	0x0c0a
222 #define	ISP_20M_SYNCPARMS	0x0c0c
223 #define	ISP_20M_SYNCPARMS_1040	0x080c
224 #define	ISP_10M_SYNCPARMS	0x0c19
225 #define	ISP_08M_SYNCPARMS	0x0c25
226 #define	ISP_05M_SYNCPARMS	0x0c32
227 #define	ISP_04M_SYNCPARMS	0x0c41
228 
229 /*
230  * Fibre Channel Specifics
231  */
232 #define	FL_PORT_ID		0x7e	/* FL_Port Special ID */
233 #define	FC_PORT_ID		0x7f	/* Fabric Controller Special ID */
234 #define	FC_SNS_ID		0x80	/* SNS Server Special ID */
235 
236 typedef struct {
237 	u_int32_t		isp_fwoptions	: 16,
238 						: 4,
239 				loop_seen_once	: 1,
240 				isp_loopstate	: 3,	/* Current Loop State */
241 				isp_fwstate	: 3,	/* ISP F/W state */
242 				isp_gotdparms	: 1,
243 				isp_topo	: 3,
244 				isp_onfabric	: 1;
245 	u_int8_t		isp_loopid;	/* hard loop id */
246 	u_int8_t		isp_alpa;	/* ALPA */
247 	volatile u_int16_t	isp_lipseq;	/* LIP sequence # */
248 	u_int32_t		isp_portid;
249 	u_int8_t		isp_execthrottle;
250 	u_int8_t		isp_retry_delay;
251 	u_int8_t		isp_retry_count;
252 	u_int8_t		isp_reserved;
253 	u_int16_t		isp_maxalloc;
254 	u_int16_t		isp_maxfrmlen;
255 	u_int64_t		isp_nodewwn;
256 	u_int64_t		isp_portwwn;
257 	/*
258 	 * Port Data Base. This is indexed by 'target', which is invariate.
259 	 * However, elements within can move around due to loop changes,
260 	 * so the actual loop ID passed to the F/W is in this structure.
261 	 * The first time the loop is seen up, loopid will match the index
262 	 * (except for fabric nodes which are above mapped above FC_SNS_ID
263 	 * and are completely virtual), but subsequent LIPs can cause things
264 	 * to move around.
265 	 */
266 	struct lportdb {
267 		u_int
268 					loopid		: 8,
269 							: 4,
270 					loggedin	: 1,
271 					roles		: 2,
272 					valid		: 1;
273 		u_int32_t		portid;
274 		u_int64_t		node_wwn;
275 		u_int64_t		port_wwn;
276 	} portdb[MAX_FC_TARG], tport[FL_PORT_ID];
277 
278 	/*
279 	 * Scratch DMA mapped in area to fetch Port Database stuff, etc.
280 	 */
281 	caddr_t			isp_scratch;
282 	u_int32_t		isp_scdma;
283 } fcparam;
284 
285 #define	FW_CONFIG_WAIT		0
286 #define	FW_WAIT_AL_PA		1
287 #define	FW_WAIT_LOGIN		2
288 #define	FW_READY		3
289 #define	FW_LOSS_OF_SYNC		4
290 #define	FW_ERROR		5
291 #define	FW_REINIT		6
292 #define	FW_NON_PART		7
293 
294 #define	LOOP_NIL		0
295 #define	LOOP_LIP_RCVD		1
296 #define	LOOP_PDB_RCVD		2
297 #define	LOOP_READY		7
298 
299 #define	TOPO_NL_PORT		0
300 #define	TOPO_FL_PORT		1
301 #define	TOPO_N_PORT		2
302 #define	TOPO_F_PORT		3
303 #define	TOPO_PTP_STUB		4
304 
305 /*
306  * Soft Structure per host adapter
307  */
308 typedef struct ispsoftc {
309 	/*
310 	 * Platform (OS) specific data
311 	 */
312 	struct isposinfo	isp_osinfo;
313 
314 	/*
315 	 * Pointer to bus specific functions and data
316 	 */
317 	struct ispmdvec *	isp_mdvec;
318 
319 	/*
320 	 * (Mostly) nonvolatile state. Board specific parameters
321 	 * may contain some volatile state (e.g., current loop state).
322 	 */
323 
324 	void * 			isp_param;	/* type specific */
325 	u_int16_t		isp_fwrev[3];	/* Loaded F/W revision */
326 	u_int16_t		isp_romfw_rev[3]; /* PROM F/W revision */
327 	u_int16_t		isp_maxcmds;	/* max possible I/O cmds */
328 	u_int8_t		isp_type;	/* HBA Chip Type */
329 	u_int8_t		isp_revision;	/* HBA Chip H/W Revision */
330 	u_int32_t		isp_maxluns;	/* maximum luns supported */
331 
332 	u_int32_t
333 				isp_touched	: 1,	/* board ever seen? */
334 						: 1,
335 				isp_bustype	: 1,	/* SBus or PCI */
336 				isp_loaded_fw	: 1,	/* loaded firmware */
337 				isp_dblev	: 12,	/* debug log mask */
338 				isp_clock	: 8,	/* input clock */
339 				isp_confopts	: 8;	/* config options */
340 	/*
341 	 * Instrumentation
342 	 */
343 	u_int64_t		isp_intcnt;		/* total int count */
344 	u_int64_t		isp_intbogus;		/* spurious int count */
345 
346 	/*
347 	 * Volatile state
348 	 */
349 
350 	volatile u_int32_t
351 		isp_mboxbsy	:	8,	/* mailbox command active */
352 				:	1,
353 		isp_state	:	3,
354 		isp_sendmarker	:	2,	/* send a marker entry */
355 		isp_update	:	2,	/* update parameters */
356 		isp_nactive	:	16;	/* how many commands active */
357 	volatile u_int16_t	isp_reqodx;	/* index of last ISP pickup */
358 	volatile u_int16_t	isp_reqidx;	/* index of next request */
359 	volatile u_int16_t	isp_residx;	/* index of next result */
360 	volatile u_int16_t	isp_lasthdls;	/* last handle seed */
361 	volatile u_int16_t	isp_mboxtmp[MAX_MAILBOX];
362 
363 	/*
364 	 * Active commands are stored here, indexed by handle functions.
365 	 */
366 	XS_T **isp_xflist;
367 
368 	/*
369 	 * request/result queue pointers and dma handles for them.
370 	 */
371 	caddr_t			isp_rquest;
372 	caddr_t			isp_result;
373 	u_int32_t		isp_rquest_dma;
374 	u_int32_t		isp_result_dma;
375 } ispsoftc_t;
376 
377 #define	SDPARAM(isp)	((sdparam *) (isp)->isp_param)
378 #define	FCPARAM(isp)	((fcparam *) (isp)->isp_param)
379 
380 /*
381  * ISP Driver Run States
382  */
383 #define	ISP_NILSTATE	0
384 #define	ISP_RESETSTATE	1
385 #define	ISP_INITSTATE	2
386 #define	ISP_RUNSTATE	3
387 
388 /*
389  * ISP Configuration Options
390  */
391 #define	ISP_CFG_NORELOAD	0x80	/* don't download f/w */
392 #define	ISP_CFG_NONVRAM		0x40	/* ignore NVRAM */
393 #define	ISP_CFG_NOINIT		0x20	/* just set defaults- don't init */
394 #define	ISP_CFG_FULL_DUPLEX	0x01	/* Full Duplex (Fibre Channel only) */
395 #define	ISP_CFG_OWNWWN		0x02	/* override NVRAM wwn */
396 #define	ISP_CFG_PORT_PREF	0x0C	/* Mask for Port Prefs (2200 only) */
397 #define	ISP_CFG_LPORT		0x00	/* prefer {N/F}L-Port connection */
398 #define	ISP_CFG_NPORT		0x04	/* prefer {N/F}-Port connection */
399 #define	ISP_CFG_NPORT_ONLY	0x08	/* insist on {N/F}-Port connection */
400 #define	ISP_CFG_LPORT_ONLY	0x0C	/* insist on {N/F}L-Port connection */
401 
402 /*
403  * Firmware related defines
404  */
405 #define	ISP_CODE_ORG		0x1000	/* default f/w code start */
406 #define	ISP_FW_REV(maj, min, mic)	((maj << 24) | (min << 16) | mic)
407 #define	ISP_FW_REVX(xp)	((xp[0]<<24) | (xp[1] << 16) | xp[2])
408 
409 /*
410  * Bus (implementation) types
411  */
412 #define	ISP_BT_PCI		0	/* PCI Implementations */
413 #define	ISP_BT_SBUS		1	/* SBus Implementations */
414 
415 /*
416  * Chip Types
417  */
418 #define	ISP_HA_SCSI		0xf
419 #define	ISP_HA_SCSI_UNKNOWN	0x1
420 #define	ISP_HA_SCSI_1020	0x2
421 #define	ISP_HA_SCSI_1020A	0x3
422 #define	ISP_HA_SCSI_1040	0x4
423 #define	ISP_HA_SCSI_1040A	0x5
424 #define	ISP_HA_SCSI_1040B	0x6
425 #define	ISP_HA_SCSI_1040C	0x7
426 #define	ISP_HA_SCSI_1240	0x8
427 #define	ISP_HA_SCSI_1080	0x9
428 #define	ISP_HA_SCSI_1280	0xa
429 #define	ISP_HA_SCSI_12160	0xb
430 #define	ISP_HA_FC		0xf0
431 #define	ISP_HA_FC_2100		0x10
432 #define	ISP_HA_FC_2200		0x20
433 
434 #define	IS_SCSI(isp)	(isp->isp_type & ISP_HA_SCSI)
435 #define	IS_1240(isp)	(isp->isp_type == ISP_HA_SCSI_1240)
436 #define	IS_1080(isp)	(isp->isp_type == ISP_HA_SCSI_1080)
437 #define	IS_1280(isp)	(isp->isp_type == ISP_HA_SCSI_1280)
438 #define	IS_12160(isp)	(isp->isp_type == ISP_HA_SCSI_12160)
439 
440 #define	IS_12X0(isp)	(IS_1240(isp) || IS_1280(isp))
441 #define	IS_DUALBUS(isp)	(IS_12X0(isp) || IS_12160(isp))
442 #define	IS_ULTRA2(isp)	(IS_1080(isp) || IS_1280(isp) || IS_12160(isp))
443 #define	IS_ULTRA3(isp)	(IS_12160(isp))
444 
445 #define	IS_FC(isp)	(isp->isp_type & ISP_HA_FC)
446 #define	IS_2100(isp)	(isp->isp_type == ISP_HA_FC_2100)
447 #define	IS_2200(isp)	(isp->isp_type == ISP_HA_FC_2200)
448 
449 /*
450  * DMA cookie macros
451  */
452 #define	DMA_MSW(x)	(((x) >> 16) & 0xffff)
453 #define	DMA_LSW(x)	(((x) & 0xffff))
454 
455 /*
456  * Core System Function Prototypes
457  */
458 
459 /*
460  * Reset Hardware. Totally. Assumes that you'll follow this with
461  * a call to isp_init.
462  */
463 void isp_reset __P((struct ispsoftc *));
464 
465 /*
466  * Initialize Hardware to known state
467  */
468 void isp_init __P((struct ispsoftc *));
469 
470 /*
471  * Reset the ISP and call completion for any orphaned commands.
472  */
473 void isp_reinit __P((struct ispsoftc *));
474 
475 /*
476  * Interrupt Service Routine
477  */
478 int isp_intr __P((void *));
479 
480 /*
481  * Command Entry Point- Platform Dependent layers call into this
482  */
483 int isp_start __P((XS_T *));
484 /* these values are what isp_start returns */
485 #define	CMD_COMPLETE	101	/* command completed */
486 #define	CMD_EAGAIN	102	/* busy- maybe retry later */
487 #define	CMD_QUEUED	103	/* command has been queued for execution */
488 #define	CMD_RQLATER 	104	/* requeue this command later */
489 
490 /*
491  * Command Completion Point- Core layers call out from this with completed cmds
492  */
493 void isp_done __P((XS_T *));
494 
495 /*
496  * Platform Dependent to External to Internal Control Function
497  *
498  * Assumes all locks are held and that no reentrancy issues need be dealt with.
499  *
500  */
501 typedef enum {
502 	ISPCTL_RESET_BUS,		/* Reset Bus */
503 	ISPCTL_RESET_DEV,		/* Reset Device */
504 	ISPCTL_ABORT_CMD,		/* Abort Command */
505 	ISPCTL_UPDATE_PARAMS,		/* Update Operating Parameters */
506 	ISPCTL_FCLINK_TEST,		/* Test FC Link Status */
507 	ISPCTL_PDB_SYNC,		/* Synchronize Port Database */
508 	ISPCTL_TOGGLE_TMODE		/* toggle target mode */
509 } ispctl_t;
510 int isp_control __P((struct ispsoftc *, ispctl_t, void *));
511 
512 
513 /*
514  * Platform Dependent to Internal to External Control Function
515  * (each platform must provide such a function)
516  *
517  * Assumes all locks are held and that no reentrancy issues need be dealt with.
518  */
519 
520 typedef enum {
521 	ISPASYNC_NEW_TGT_PARAMS,
522 	ISPASYNC_BUS_RESET,		/* Bus Was Reset */
523 	ISPASYNC_LOOP_DOWN,		/* FC Loop Down */
524 	ISPASYNC_LOOP_UP,		/* FC Loop Up */
525 	ISPASYNC_CHANGE_NOTIFY,		/* FC SNS or Port Database Changed */
526 	ISPASYNC_FABRIC_DEV,		/* FC Fabric Device Arrived/Left */
527 	ISPASYNC_LOGGED_INOUT,		/* FC Object Logged In/Out */
528 	ISPASYNC_TARGET_MESSAGE,	/* target message */
529 	ISPASYNC_TARGET_EVENT,		/* target asynchronous event */
530 	ISPASYNC_TARGET_ACTION		/* other target command action */
531 } ispasync_t;
532 int isp_async __P((struct ispsoftc *, ispasync_t, void *));
533 
534 /*
535  * Platform Dependent Error and Debug Printout
536  */
537 #ifdef	__GNUC__
538 void isp_prt __P((struct ispsoftc *, int level, const char *, ...))
539 	__attribute__((__format__(__printf__,3,4)));
540 #else
541 void isp_prt __P((struct ispsoftc *, int level, const char *, ...));
542 #endif
543 
544 #define	ISP_LOGALL	0x0	/* log always */
545 #define	ISP_LOGCONFIG	0x1	/* log configuration messages */
546 #define	ISP_LOGINFO	0x2	/* log informational messages */
547 #define	ISP_LOGWARN	0x4	/* log warning messages */
548 #define	ISP_LOGERR	0x8	/* log error messages */
549 #define	ISP_LOGDEBUG0	0x10	/* log simple debug messages */
550 #define	ISP_LOGDEBUG1	0x20	/* log intermediate debug messages */
551 #define	ISP_LOGDEBUG2	0x40	/* log most debug messages */
552 #define	ISP_LOGDEBUG3	0x100	/* log high frequency debug messages */
553 #define	ISP_LOGTDEBUG0	0x200	/* log simple debug messages (target mode) */
554 #define	ISP_LOGTDEBUG1	0x400	/* log intermediate debug messages (target) */
555 #define	ISP_LOGTDEBUG2	0x800	/* log all debug messages (target) */
556 
557 /*
558  * Each Platform provides it's own isposinfo substructure of the ispsoftc
559  * defined above.
560  *
561  * Each platform must also provide the following macros/defines:
562  *
563  *
564  *	INLINE		-	platform specific define for 'inline' functions
565  *
566  *	ISP2100_FABRIC	-	defines whether FABRIC support is enabled
567  *	ISP2100_SCRLEN	-	length for the Fibre Channel scratch DMA area
568  *
569  *	MEMZERO(dst, src)			platform zeroing function
570  *	MEMCPY(dst, src, count)			platform copying function
571  *	SNPRINTF(buf, bufsize, fmt, ...)	snprintf
572  *	STRNCAT(dstbuf, size, srcbuf)		strncat
573  *	USEC_DELAY(usecs)			microsecond spindelay function
574  *	USEC_SLEEP(isp, usecs)			microsecond sleep function
575  *
576  *	NANOTIME_T				nanosecond time type
577  *
578  *	GET_NANOTIME(NANOTIME_T *)		get current nanotime.
579  *
580  *	GET_NANOSEC(NANOTIME_T *)		get u_int64_t from NANOTIME_T
581  *
582  *	NANOTIME_SUB(NANOTIME_T *, NANOTIME_T *)
583  *						subtract two NANOTIME_T values
584  *
585  *
586  *	MAXISPREQUEST(struct ispsoftc *)	maximum request queue size
587  *						for this particular board type
588  *
589  *	MEMORYBARRIER(struct ispsoftc *, barrier_type, offset, size)
590  *
591  *		Function/Macro the provides memory synchronization on
592  *		various objects so that the ISP's and the system's view
593  *		of the same object is consistent.
594  *
595  *	MBOX_ACQUIRE(struct ispsoftc *)		acquire lock on mailbox regs
596  *	MBOX_WAIT_COMPLETE(struct ispsoftc *)	wait for mailbox cmd to be done
597  *	MBOX_NOTIFY_COMPLETE(struct ispsoftc *)	notification of mbox cmd donee
598  *	MBOX_RELEASE(struct ispsoftc *)		release lock on mailbox regs
599  *
600  *
601  *	SCSI_GOOD	SCSI 'Good' Status
602  *	SCSI_CHECK	SCSI 'Check Condition' Status
603  *	SCSI_BUSY	SCSI 'Busy' Status
604  *	SCSI_QFULL	SCSI 'Queue Full' Status
605  *
606  *	XS_T		Platform SCSI transaction type (i.e., command for HBA)
607  *	XS_ISP(xs)	gets an instance out of an XS_T
608  *	XS_CHANNEL(xs)	gets the channel (bus # for DUALBUS cards) ""
609  *	XS_TGT(xs)	gets the target ""
610  *	XS_LUN(xs)	gets the lun ""
611  *	XS_CDBP(xs)	gets a pointer to the scsi CDB ""
612  *	XS_CDBLEN(xs)	gets the CDB's length ""
613  *	XS_XFRLEN(xs)	gets the associated data transfer length ""
614  *	XS_TIME(xs)	gets the time (in milliseconds) for this command
615  *	XS_RESID(xs)	gets the current residual count
616  *	XS_STSP(xs)	gets a pointer to the SCSI status byte ""
617  *	XS_SNSP(xs)	gets a pointer to the associate sense data
618  *	XS_SNSLEN(xs)	gets the length of sense data storage
619  *	XS_SNSKEY(xs)	dereferences XS_SNSP to get the current stored Sense Key
620  *	XS_TAG_P(xs)	predicate of whether this command should be tagged
621  *	XS_TAG_TYPE(xs)	which type of tag to use
622  *	XS_SETERR(xs)	set error state
623  *
624  *		HBA_NOERROR	command has no erros
625  *		HBA_BOTCH	hba botched something
626  *		HBA_CMDTIMEOUT	command timed out
627  *		HBA_SELTIMEOUT	selection timed out (also port logouts for FC)
628  *		HBA_TGTBSY	target returned a BUSY status
629  *		HBA_BUSRESET	bus reset destroyed command
630  *		HBA_ABORTED	command was aborted (by request)
631  *		HBA_DATAOVR	a data overrun was detected
632  *		HBA_ARQFAIL	Automatic Request Sense failed
633  *
634  *	XS_ERR(xs)	return current error state
635  *	XS_NOERR(xs)	there is no error currently set
636  *	XS_INITERR(xs)	initialize error state
637  *
638  *	XS_SAVE_SENSE(xs, sp)		save sense data
639  *
640  *	XS_SET_STATE_STAT(isp, sp, xs)	platform dependent interpreter of
641  *					response queue entry status bits
642  *
643  *
644  *	DEFAULT_IID(struct ispsoftc *)		Default SCSI initiator ID
645  *	DEFAULT_LOOPID(struct ispsoftc *)	Default FC Loop ID
646  *	DEFAULT_NODEWWN(struct ispsoftc *)	Default Node WWN
647  *	DEFAULT_PORTWWN(struct ispsoftc *)	Default Port WWN
648  *		These establish reasonable defaults for each platform.
649  * 		These must be available independent of card NVRAM and are
650  *		to be used should NVRAM not be readable.
651  *
652  *	ISP_NODEWWN(struct ispsoftc *)	FC Node WWN to use
653  *	ISP_PORTWWN(struct ispsoftc *)	FC Port WWN to use
654  *
655  *		These are to be used after NVRAM is read. The tags
656  *		in fcparam.isp_{node,port}wwn reflect the values
657  *		read from NVRAM (possibly corrected for card botches).
658  *		Each platform can take that information and override
659  *		it or ignore and return the Node and Port WWNs to be
660  * 		used when sending the Qlogic f/w the Initialization Control
661  *		Block.
662  *
663  *	(XXX these do endian specific transformations- in transition XXX)
664  *	ISP_SWIZZLE_ICB
665  *	ISP_UNSWIZZLE_AND_COPY_PDBP
666  *	ISP_SWIZZLE_CONTINUATION
667  *	ISP_SWIZZLE_REQUEST
668  *	ISP_UNSWIZZLE_RESPONSE
669  *	ISP_SWIZZLE_SNS_REQ
670  *	ISP_UNSWIZZLE_SNS_RSP
671  *	ISP_SWIZZLE_NVRAM_WORD
672  *
673  *
674  */
675 #endif	/* _ISPVAR_H */
676