xref: /freebsd/sys/dev/isp/ispvar.h (revision 64db83a8ab2d1f72a9b2174b39d2ef42b5b0580c)
1 /* $FreeBSD$ */
2 /*
3  * Soft Definitions for for Qlogic ISP SCSI adapters.
4  *
5  * Copyright (c) 1997, 1998, 1999 by Matthew Jacob
6  * NASA/Ames Research Center
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 immediately at the beginning of the file, without modification,
14  *    this list of conditions, and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
25  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  */
34 
35 #ifndef	_ISPVAR_H
36 #define	_ISPVAR_H
37 
38 #if defined(__NetBSD__) || defined(__OpenBSD__)
39 #include <dev/ic/ispmbox.h>
40 #ifdef	ISP_TARGET_MODE
41 #include <dev/ic/isp_target.h>
42 #include <dev/ic/isp_tpublic.h>
43 #endif
44 #endif
45 #ifdef	__FreeBSD__
46 #include <dev/isp/ispmbox.h>
47 #ifdef	ISP_TARGET_MODE
48 #include <dev/isp/isp_target.h>
49 #include <dev/isp/isp_tpublic.h>
50 #endif
51 #endif
52 #ifdef	__linux__
53 #include "ispmbox.h"
54 #ifdef	ISP_TARGET_MODE
55 #include "isp_target.h"
56 #include "isp_tpublic.h"
57 #endif
58 #endif
59 
60 #define	ISP_CORE_VERSION_MAJOR	1
61 #define	ISP_CORE_VERSION_MINOR	14
62 
63 /*
64  * Vector for bus specific code to provide specific services.
65  */
66 struct ispsoftc;
67 struct ispmdvec {
68 	u_int16_t	(*dv_rd_reg) __P((struct ispsoftc *, int));
69 	void		(*dv_wr_reg) __P((struct ispsoftc *, int, u_int16_t));
70 	int		(*dv_mbxdma) __P((struct ispsoftc *));
71 	int		(*dv_dmaset) __P((struct ispsoftc *,
72 		ISP_SCSI_XFER_T *, ispreq_t *, u_int16_t *, u_int16_t));
73 	void		(*dv_dmaclr)
74 		__P((struct ispsoftc *, ISP_SCSI_XFER_T *, u_int32_t));
75 	void		(*dv_reset0) __P((struct ispsoftc *));
76 	void		(*dv_reset1) __P((struct ispsoftc *));
77 	void		(*dv_dregs) __P((struct ispsoftc *));
78 	const u_int16_t *dv_ispfw;	/* ptr to f/w */
79 	u_int16_t 	dv_fwlen;	/* length of f/w */
80 	u_int16_t	dv_codeorg;	/* code ORG for f/w */
81 	u_int32_t	dv_fwrev;	/* f/w revision */
82 	/*
83 	 * Initial values for conf1 register
84 	 */
85 	u_int16_t	dv_conf1;
86 	u_int16_t	dv_clock;	/* clock frequency */
87 };
88 
89 #define	MAX_TARGETS	16
90 #ifdef	ISP2100_FABRIC
91 #define	MAX_FC_TARG	256
92 #else
93 #define	MAX_FC_TARG	126
94 #endif
95 
96 #define	ISP_MAX_TARGETS(isp)	(IS_FC(isp)? MAX_FC_TARG : MAX_TARGETS)
97 #ifdef	ISP2100_SCCLUN
98 #define	_ISP_FC_LUN(isp)	65536
99 #else
100 #define	_ISP_FC_LUN(isp)	16
101 #endif
102 #define	_ISP_SCSI_LUN(isp)	\
103 	((ISP_FW_REVX(isp->isp_fwrev) >= ISP_FW_REV(7, 55, 0))? 32 : 8)
104 #define	ISP_MAX_LUNS(isp)	\
105 	(IS_FC(isp)? _ISP_FC_LUN(isp) : _ISP_SCSI_LUN(isp))
106 
107 
108 /*
109  * Macros to read, write ISP registers through bus specific code.
110  */
111 
112 #define	ISP_READ(isp, reg)	\
113 	(*(isp)->isp_mdvec->dv_rd_reg)((isp), (reg))
114 
115 #define	ISP_WRITE(isp, reg, val)	\
116 	(*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), (val))
117 
118 #define	ISP_MBOXDMASETUP(isp)	\
119 	(*(isp)->isp_mdvec->dv_mbxdma)((isp))
120 
121 #define	ISP_DMASETUP(isp, xs, req, iptrp, optr)	\
122 	(*(isp)->isp_mdvec->dv_dmaset)((isp), (xs), (req), (iptrp), (optr))
123 
124 #define	ISP_DMAFREE(isp, xs, hndl)	\
125 	if ((isp)->isp_mdvec->dv_dmaclr) \
126 	    (*(isp)->isp_mdvec->dv_dmaclr)((isp), (xs), (hndl))
127 
128 #define	ISP_RESET0(isp)	\
129 	if ((isp)->isp_mdvec->dv_reset0) (*(isp)->isp_mdvec->dv_reset0)((isp))
130 #define	ISP_RESET1(isp)	\
131 	if ((isp)->isp_mdvec->dv_reset1) (*(isp)->isp_mdvec->dv_reset1)((isp))
132 #define	ISP_DUMPREGS(isp)	\
133 	if ((isp)->isp_mdvec->dv_dregs) (*(isp)->isp_mdvec->dv_dregs)((isp))
134 
135 #define	ISP_SETBITS(isp, reg, val)	\
136  (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) | (val))
137 
138 #define	ISP_CLRBITS(isp, reg, val)	\
139  (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) & ~(val))
140 
141 /* this is the size of a queue entry (request and response) */
142 #define	QENTRY_LEN			64
143 /* both request and result queue length must be a power of two */
144 #define	RQUEST_QUEUE_LEN		MAXISPREQUEST
145 /* I've seen wierdnesses with the result queue < 64 */
146 #if	MAXISPREQUEST > 64
147 #define	RESULT_QUEUE_LEN		(MAXISPREQUEST/2)
148 #else
149 #define	RESULT_QUEUE_LEN		MAXISPREQUEST
150 #endif
151 #define	ISP_QUEUE_ENTRY(q, idx)		((q) + ((idx) * QENTRY_LEN))
152 #define	ISP_QUEUE_SIZE(n)		((n) * QENTRY_LEN)
153 #define	ISP_NXT_QENTRY(idx, qlen)	(((idx) + 1) & ((qlen)-1))
154 #define	ISP_QAVAIL(in, out, qlen)	\
155 	((in == out)? (qlen - 1) : ((in > out)? \
156 	((qlen - 1) - (in - out)) : (out - in - 1)))
157 
158 #define	ISP_ADD_REQUEST(isp, iptr)	\
159 	ISP_WRITE(isp, INMAILBOX4, iptr), isp->isp_reqidx = iptr
160 
161 /*
162  * SCSI Specific Host Adapter Parameters- per bus, per target
163  */
164 
165 typedef struct {
166 	u_int		isp_gotdparms		: 1,
167 			isp_req_ack_active_neg	: 1,
168 			isp_data_line_active_neg: 1,
169 			isp_cmd_dma_burst_enable: 1,
170 			isp_data_dma_burst_enabl: 1,
171 			isp_fifo_threshold	: 3,
172 			isp_ultramode		: 1,
173 			isp_diffmode		: 1,
174 			isp_lvdmode		: 1,
175 						: 1,
176 			isp_initiator_id	: 4,
177 			isp_async_data_setup	: 4;
178 	u_int16_t	isp_selection_timeout;
179 	u_int16_t	isp_max_queue_depth;
180 	u_int8_t	isp_tag_aging;
181 	u_int8_t	isp_bus_reset_delay;
182 	u_int8_t	isp_retry_count;
183 	u_int8_t	isp_retry_delay;
184 	struct {
185 		u_int	dev_enable	:	1,	/* ignored */
186 					:	1,
187 			dev_update	:	1,
188 			dev_refresh	:	1,
189 			exc_throttle	:	8,
190 			cur_offset	:	4,
191 			sync_offset	:	4;
192 		u_int8_t	cur_period;	/* current sync period */
193 		u_int8_t	sync_period;	/* goal sync period */
194 		u_int16_t	dev_flags;	/* goal device flags */
195 		u_int16_t	cur_dflags;	/* current device flags */
196 	} isp_devparam[MAX_TARGETS];
197 } sdparam;
198 
199 /*
200  * Device Flags
201  */
202 #define	DPARM_DISC	0x8000
203 #define	DPARM_PARITY	0x4000
204 #define	DPARM_WIDE	0x2000
205 #define	DPARM_SYNC	0x1000
206 #define	DPARM_TQING	0x0800
207 #define	DPARM_ARQ	0x0400
208 #define	DPARM_QFRZ	0x0200
209 #define	DPARM_RENEG	0x0100
210 #define	DPARM_NARROW	0x0080	/* Possibly only available with >= 7.55 fw */
211 #define	DPARM_ASYNC	0x0040	/* Possibly only available with >= 7.55 fw */
212 #define	DPARM_DEFAULT	(0xFF00 & ~DPARM_QFRZ)
213 #define	DPARM_SAFE_DFLT	(DPARM_DEFAULT & ~(DPARM_WIDE|DPARM_SYNC|DPARM_TQING))
214 
215 
216 /* technically, not really correct, as they need to be rated based upon clock */
217 #define	ISP_40M_SYNCPARMS	0x080a
218 #define	ISP_20M_SYNCPARMS	0x080c
219 #define	ISP_10M_SYNCPARMS	0x0c19
220 #define	ISP_08M_SYNCPARMS	0x0c25
221 #define	ISP_05M_SYNCPARMS	0x0c32
222 #define	ISP_04M_SYNCPARMS	0x0c41
223 
224 /*
225  * Fibre Channel Specifics
226  */
227 #define	FL_PORT_ID		0x7e	/* FL_Port Special ID */
228 #define	FC_PORT_ID		0x7f	/* Fabric Controller Special ID */
229 #define	FC_SNS_ID		0x80	/* SNS Server Special ID */
230 
231 typedef struct {
232 	u_int32_t		isp_fwoptions	: 16,
233 						: 4,
234 				loop_seen_once	: 1,
235 				isp_loopstate	: 3,	/* Current Loop State */
236 				isp_fwstate	: 3,	/* ISP F/W state */
237 				isp_gotdparms	: 1,
238 				isp_topo	: 3,
239 				isp_onfabric	: 1;
240 	u_int8_t		isp_loopid;	/* hard loop id */
241 	u_int8_t		isp_alpa;	/* ALPA */
242 	volatile u_int16_t	isp_lipseq;	/* LIP sequence # */
243 	u_int32_t		isp_portid;
244 	u_int8_t		isp_execthrottle;
245 	u_int8_t		isp_retry_delay;
246 	u_int8_t		isp_retry_count;
247 	u_int8_t		isp_reserved;
248 	u_int16_t		isp_maxalloc;
249 	u_int16_t		isp_maxfrmlen;
250 	u_int64_t		isp_nodewwn;
251 	u_int64_t		isp_portwwn;
252 	/*
253 	 * Port Data Base. This is indexed by 'target', which is invariate.
254 	 * However, elements within can move around due to loop changes,
255 	 * so the actual loop ID passed to the F/W is in this structure.
256 	 * The first time the loop is seen up, loopid will match the index
257 	 * (except for fabric nodes which are above mapped above FC_SNS_ID
258 	 * and are completely virtual), but subsequent LIPs can cause things
259 	 * to move around.
260 	 */
261 	struct lportdb {
262 		u_int
263 					loopid		: 8,
264 							: 4,
265 					loggedin	: 1,
266 					roles		: 2,
267 					valid		: 1;
268 		u_int32_t		portid;
269 		u_int64_t		node_wwn;
270 		u_int64_t		port_wwn;
271 	} portdb[MAX_FC_TARG], tport[FL_PORT_ID];
272 
273 	/*
274 	 * Scratch DMA mapped in area to fetch Port Database stuff, etc.
275 	 */
276 	caddr_t			isp_scratch;
277 	u_int32_t		isp_scdma;
278 } fcparam;
279 
280 #define	FW_CONFIG_WAIT		0
281 #define	FW_WAIT_AL_PA		1
282 #define	FW_WAIT_LOGIN		2
283 #define	FW_READY		3
284 #define	FW_LOSS_OF_SYNC		4
285 #define	FW_ERROR		5
286 #define	FW_REINIT		6
287 #define	FW_NON_PART		7
288 
289 #define	LOOP_NIL		0
290 #define	LOOP_LIP_RCVD		1
291 #define	LOOP_PDB_RCVD		2
292 #define	LOOP_READY		7
293 
294 #define	TOPO_NL_PORT		0
295 #define	TOPO_FL_PORT		1
296 #define	TOPO_N_PORT		2
297 #define	TOPO_F_PORT		3
298 #define	TOPO_PTP_STUB		4
299 
300 /*
301  * Soft Structure per host adapter
302  */
303 struct ispsoftc {
304 	/*
305 	 * Platform (OS) specific data
306 	 */
307 	struct isposinfo	isp_osinfo;
308 
309 	/*
310 	 * Pointer to bus specific functions and data
311 	 */
312 	struct ispmdvec *	isp_mdvec;
313 
314 	/*
315 	 * (Mostly) nonvolatile state. Board specific parameters
316 	 * may contain some volatile state (e.g., current loop state).
317 	 */
318 
319 	void * 			isp_param;	/* type specific */
320 	u_int16_t		isp_fwrev[3];	/* Loaded F/W revision */
321 	u_int16_t		isp_romfw_rev[3]; /* PROM F/W revision */
322 	u_int16_t		isp_maxcmds;	/* max possible I/O cmds */
323 	u_int8_t		isp_type;	/* HBA Chip Type */
324 	u_int8_t		isp_revision;	/* HBA Chip H/W Revision */
325 
326 	u_int32_t				: 4,
327 				isp_touched	: 1,	/* board ever seen? */
328 				isp_fast_mttr	: 1,	/* fast sram */
329 				isp_bustype	: 1,	/* SBus or PCI */
330 				isp_dogactive	: 1,	/* watchdog running */
331 				isp_dblev	: 8,	/* debug level */
332 				isp_clock	: 8,	/* input clock */
333 				isp_confopts	: 8;	/* config options */
334 
335 	/*
336 	 * Volatile state
337 	 */
338 
339 	volatile u_int32_t	:	9,
340 		isp_state	:	3,
341 		isp_sendmarker	:	2,	/* send a marker entry */
342 		isp_update	:	2,	/* update parameters */
343 		isp_nactive	:	16;	/* how many commands active */
344 
345 	volatile u_int16_t	isp_reqodx;	/* index of last ISP pickup */
346 	volatile u_int16_t	isp_reqidx;	/* index of next request */
347 	volatile u_int16_t	isp_residx;	/* index of next result */
348 	volatile u_int16_t	isp_lasthdls;	/* last handle seed */
349 
350 	/*
351 	 * Active commands are stored here, indexed by handle functions.
352 	 */
353 	ISP_SCSI_XFER_T **isp_xflist;
354 
355 	/*
356 	 * request/result queue pointers and dma handles for them.
357 	 */
358 	caddr_t			isp_rquest;
359 	caddr_t			isp_result;
360 	u_int32_t		isp_rquest_dma;
361 	u_int32_t		isp_result_dma;
362 };
363 
364 #define	SDPARAM(isp)	((sdparam *) (isp)->isp_param)
365 #define	FCPARAM(isp)	((fcparam *) (isp)->isp_param)
366 
367 /*
368  * ISP States
369  */
370 #define	ISP_NILSTATE	0
371 #define	ISP_RESETSTATE	1
372 #define	ISP_INITSTATE	2
373 #define	ISP_RUNSTATE	3
374 
375 /*
376  * ISP Configuration Options
377  */
378 #define	ISP_CFG_NORELOAD	0x80	/* don't download f/w */
379 #define	ISP_CFG_NONVRAM		0x40	/* ignore NVRAM */
380 #define	ISP_CFG_FULL_DUPLEX	0x01	/* Full Duplex (Fibre Channel only) */
381 #define	ISP_CFG_OWNWWN		0x02	/* override NVRAM wwn */
382 #define	ISP_CFG_NPORT		0x04	/* try to force N- instead of L-Port */
383 
384 #define	ISP_FW_REV(maj, min, mic)	((maj << 24) | (min << 16) | mic)
385 #define	ISP_FW_REVX(xp)	((xp[0]<<24) | (xp[1] << 16) | xp[2])
386 
387 /*
388  * Bus (implementation) types
389  */
390 #define	ISP_BT_PCI		0	/* PCI Implementations */
391 #define	ISP_BT_SBUS		1	/* SBus Implementations */
392 
393 /*
394  * Chip Types
395  */
396 #define	ISP_HA_SCSI		0xf
397 #define	ISP_HA_SCSI_UNKNOWN	0x1
398 #define	ISP_HA_SCSI_1020	0x2
399 #define	ISP_HA_SCSI_1020A	0x3
400 #define	ISP_HA_SCSI_1040	0x4
401 #define	ISP_HA_SCSI_1040A	0x5
402 #define	ISP_HA_SCSI_1040B	0x6
403 #define	ISP_HA_SCSI_1040C	0x7
404 #define	ISP_HA_SCSI_1240	0x8
405 #define	ISP_HA_SCSI_1080	0x9
406 #define	ISP_HA_SCSI_1280	0xa
407 #define	ISP_HA_SCSI_12160	0xb
408 #define	ISP_HA_FC		0xf0
409 #define	ISP_HA_FC_2100		0x10
410 #define	ISP_HA_FC_2200		0x20
411 
412 #define	IS_SCSI(isp)	(isp->isp_type & ISP_HA_SCSI)
413 #define	IS_1240(isp)	(isp->isp_type == ISP_HA_SCSI_1240)
414 #define	IS_1080(isp)	(isp->isp_type == ISP_HA_SCSI_1080)
415 #define	IS_1280(isp)	(isp->isp_type == ISP_HA_SCSI_1280)
416 #define	IS_12160(isp)	(isp->isp_type == ISP_HA_SCSI_12160)
417 
418 #define	IS_12X0(isp)	(IS_1240(isp) || IS_1280(isp))
419 #define	IS_DUALBUS(isp)	(IS_12X0(isp) || IS_12160(isp))
420 #define	IS_ULTRA2(isp)	(IS_1080(isp) || IS_1280(isp) || IS_12160(isp))
421 #define	IS_ULTRA3(isp)	(IS_12160(isp))
422 
423 #define	IS_FC(isp)	(isp->isp_type & ISP_HA_FC)
424 #define	IS_2100(isp)	(isp->isp_type == ISP_HA_FC_2100)
425 #define	IS_2200(isp)	(isp->isp_type == ISP_HA_FC_2200)
426 
427 
428 /*
429  * Function Prototypes
430  */
431 
432 /*
433  * Reset Hardware. Totally. Assumes that you'll follow this with
434  * a call to isp_init.
435  */
436 void isp_reset __P((struct ispsoftc *));
437 
438 /*
439  * Initialize Hardware to known state
440  */
441 void isp_init __P((struct ispsoftc *));
442 
443 /*
444  * Reset the ISP and call completion for any orphaned commands.
445  */
446 void isp_restart __P((struct ispsoftc *));
447 
448 /*
449  * Interrupt Service Routine
450  */
451 int isp_intr __P((void *));
452 
453 /*
454  * Command Entry Point
455  */
456 int32_t ispscsicmd __P((ISP_SCSI_XFER_T *));
457 
458 /*
459  * Platform Dependent to External to Internal Control Function
460  *
461  * Assumes all locks are held and that no reentrancy issues need be dealt with.
462  *
463  */
464 typedef enum {
465 	ISPCTL_RESET_BUS,		/* Reset Bus */
466 	ISPCTL_RESET_DEV,		/* Reset Device */
467 	ISPCTL_ABORT_CMD,		/* Abort Command */
468 	ISPCTL_UPDATE_PARAMS,		/* Update Operating Parameters */
469 	ISPCTL_FCLINK_TEST,		/* Test FC Link Status */
470 	ISPCTL_PDB_SYNC,		/* Synchronize Port Database */
471 	ISPCTL_TOGGLE_TMODE		/* toggle target mode */
472 } ispctl_t;
473 int isp_control __P((struct ispsoftc *, ispctl_t, void *));
474 
475 
476 /*
477  * Platform Dependent to Internal to External Control Function
478  * (each platform must provide such a function)
479  *
480  * Assumes all locks are held and that no reentrancy issues need be dealt with.
481  *
482  */
483 
484 typedef enum {
485 	ISPASYNC_NEW_TGT_PARAMS,
486 	ISPASYNC_BUS_RESET,		/* Bus Was Reset */
487 	ISPASYNC_LOOP_DOWN,		/* FC Loop Down */
488 	ISPASYNC_LOOP_UP,		/* FC Loop Up */
489 	ISPASYNC_PDB_CHANGED,		/* FC Port Data Base Changed */
490 	ISPASYNC_CHANGE_NOTIFY,		/* FC SNS Change Notification */
491 	ISPASYNC_FABRIC_DEV,		/* FC New Fabric Device */
492 	ISPASYNC_TARGET_MESSAGE,	/* target message */
493 	ISPASYNC_TARGET_EVENT,		/* target asynchronous event */
494 	ISPASYNC_TARGET_ACTION		/* other target command action */
495 } ispasync_t;
496 int isp_async __P((struct ispsoftc *, ispasync_t, void *));
497 
498 /*
499  * lost command routine (XXXX IN TRANSITION XXXX)
500  */
501 void isp_lostcmd __P((struct ispsoftc *, ISP_SCSI_XFER_T *));
502 
503 #endif	/* _ISPVAR_H */
504