xref: /dragonfly/sys/dev/disk/isp/isp_freebsd.h (revision 6bd457ed)
1 /* $FreeBSD: src/sys/dev/isp/isp_freebsd.h,v 1.26.2.17 2002/10/11 17:35:11 mjacob Exp $ */
2 /* $DragonFly: src/sys/dev/disk/isp/isp_freebsd.h,v 1.6 2005/06/06 22:51:54 corecode Exp $ */
3 /*
4  * Qlogic ISP SCSI Host Adapter FreeBSD Wrapper Definitions
5  * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002 by Matthew Jacob
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice immediately at the beginning of the file, without modification,
12  *    this list of conditions, and the following disclaimer.
13  * 2. The name of the author may not be used to endorse or promote products
14  *    derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
20  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 #ifndef	_ISP_FREEBSD_H
29 #define	_ISP_FREEBSD_H
30 
31 #define	ISP_PLATFORM_VERSION_MAJOR	4
32 #define	ISP_PLATFORM_VERSION_MINOR	16
33 
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/queue.h>
38 #include <sys/malloc.h>
39 #include <sys/proc.h>
40 #include <sys/bus.h>
41 #include <sys/thread2.h>
42 
43 #include <machine/bus_memio.h>
44 #include <machine/bus_pio.h>
45 #include <machine/bus.h>
46 #include <machine/clock.h>
47 #include <machine/cpu.h>
48 
49 #include <bus/cam/cam.h>
50 #include <bus/cam/cam_debug.h>
51 #include <bus/cam/cam_ccb.h>
52 #include <bus/cam/cam_sim.h>
53 #include <bus/cam/cam_xpt.h>
54 #include <bus/cam/cam_xpt_sim.h>
55 #include <bus/cam/cam_debug.h>
56 #include <bus/cam/scsi/scsi_all.h>
57 #include <bus/cam/scsi/scsi_message.h>
58 
59 #include "opt_ddb.h"
60 #include "opt_isp.h"
61 
62 /*
63  * Not quite yet
64  */
65 /* #define	ISP_DAC_SUPPORTED	1 */
66 
67 /*
68  * Efficiency- get rid of SBus code && tests unless we need them.
69  */
70 #if	_MACHINE_ARCH == sparc64
71 #define	ISP_SBUS_SUPPORTED	1
72 #else
73 #define	ISP_SBUS_SUPPORTED	0
74 #endif
75 
76 #define	HANDLE_LOOPSTATE_IN_OUTER_LAYERS	1
77 
78 typedef void ispfwfunc(int, int, int, u_int16_t **);
79 
80 #ifdef	ISP_TARGET_MODE
81 #define	ISP_TARGET_FUNCTIONS	1
82 #define	ATPDPSIZE	256
83 typedef struct {
84 	u_int32_t	orig_datalen;
85 	u_int32_t	bytes_xfered;
86 	u_int32_t	last_xframt;
87 	u_int32_t	tag	: 16,
88 			lun	: 13,	/* not enough */
89 			state	: 3;
90 } atio_private_data_t;
91 #define	ATPD_STATE_FREE			0
92 #define	ATPD_STATE_ATIO			1
93 #define	ATPD_STATE_CAM			2
94 #define	ATPD_STATE_CTIO			3
95 #define	ATPD_STATE_LAST_CTIO		4
96 #define	ATPD_STATE_PDON			5
97 
98 typedef struct tstate {
99 	struct tstate *next;
100 	struct cam_path *owner;
101 	struct ccb_hdr_slist atios;
102 	struct ccb_hdr_slist inots;
103 	lun_id_t lun;
104 	int bus;
105 	u_int32_t hold;
106 	int atio_count;
107 } tstate_t;
108 
109 #define	LUN_HASH_SIZE			32
110 #define	LUN_HASH_FUNC(isp, port, lun)					\
111 	((IS_DUALBUS(isp)) ?						\
112 		(((lun) & ((LUN_HASH_SIZE >> 1) - 1)) << (port)) :	\
113 		((lun) & (LUN_HASH_SIZE - 1)))
114 #endif
115 
116 struct isposinfo {
117 	struct ispsoftc *	next;
118 	u_int64_t		default_port_wwn;
119 	u_int64_t		default_node_wwn;
120 	u_int32_t		default_id;
121 	device_t		dev;
122 	struct cam_sim		*sim;
123 	struct cam_path		*path;
124 	struct cam_sim		*sim2;
125 	struct cam_path		*path2;
126 	struct intr_config_hook	ehook;
127 	u_int8_t		: 1,
128 		fcbsy		: 1,
129 		ktmature	: 1,
130 		mboxwaiting	: 1,
131 		intsok		: 1,
132 		simqfrozen	: 3;
133 	struct thread		*kthread;
134 	bus_dma_tag_t		cdmat;
135 	bus_dmamap_t		cdmap;
136 #define	isp_cdmat		isp_osinfo.cdmat
137 #define	isp_cdmap		isp_osinfo.cdmap
138 #ifdef	ISP_TARGET_MODE
139 #define	TM_WANTED		0x80
140 #define	TM_BUSY			0x40
141 #define	TM_WILDCARD_ENABLED	0x02
142 #define	TM_TMODE_ENABLED	0x01
143 	u_int8_t		tmflags[2];	/* two busses */
144 	u_int8_t		rstatus[2];	/* two bussed */
145 	u_int16_t		rollinfo;
146 	tstate_t		tsdflt[2];	/* two busses */
147 	tstate_t		*lun_hash[LUN_HASH_SIZE];
148 	atio_private_data_t	atpdp[ATPDPSIZE];
149 #endif
150 };
151 
152 #define	isp_lock	isp_osinfo.lock
153 
154 /*
155  * Locking macros...
156  */
157 
158 #define	ISP_LOCK		isp_lockspl
159 #define	ISP_UNLOCK		isp_unlockspl
160 #define	ISPLOCK_2_CAMLOCK(x)
161 #define	CAMLOCK_2_ISPLOCK(x)
162 
163 /*
164  * Required Macros/Defines
165  */
166 
167 #define	INLINE			__inline
168 
169 #define	ISP2100_SCRLEN		0x800
170 
171 #define	MEMZERO			bzero
172 #define	MEMCPY(dst, src, amt)	bcopy((src), (dst), (amt))
173 #define	SNPRINTF		snprintf
174 #define	USEC_DELAY		DELAY
175 #define	USEC_SLEEP(isp, x)		\
176 	if (isp->isp_osinfo.intsok)	\
177 		ISP_UNLOCK(isp);	\
178 	DELAY(x);			\
179 	if (isp->isp_osinfo.intsok)	\
180 		ISP_LOCK(isp)
181 
182 #define	NANOTIME_T		struct timespec
183 #define	GET_NANOTIME		nanotime
184 #define	GET_NANOSEC(x)		((x)->tv_sec * 1000000000 + (x)->tv_nsec)
185 #define	NANOTIME_SUB		nanotime_sub
186 
187 #define	MAXISPREQUEST(isp)	((IS_FC(isp) || IS_ULTRA2(isp))? 1024 : 256)
188 
189 #define	MEMORYBARRIER(isp, type, offset, size)			\
190 switch (type) {							\
191 case SYNC_SFORDEV:						\
192 case SYNC_REQUEST:						\
193 	bus_dmamap_sync(isp->isp_cdmat, isp->isp_cdmap, 	\
194 	   BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);		\
195 	break;							\
196 case SYNC_SFORCPU:						\
197 case SYNC_RESULT:						\
198 	bus_dmamap_sync(isp->isp_cdmat, isp->isp_cdmap,		\
199 	   BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);	\
200 	break;							\
201 default:							\
202 	break;							\
203 }
204 
205 #define	MBOX_ACQUIRE(isp)
206 #define	MBOX_WAIT_COMPLETE		isp_mbox_wait_complete
207 #define	MBOX_NOTIFY_COMPLETE(isp)	\
208 	if (isp->isp_osinfo.mboxwaiting) { \
209 		isp->isp_osinfo.mboxwaiting = 0; \
210 		wakeup(&isp->isp_mbxworkp); \
211 	} \
212 	isp->isp_mboxbsy = 0
213 #define	MBOX_RELEASE(isp)
214 
215 #define	FC_SCRATCH_ACQUIRE(isp)						\
216 	if (isp->isp_osinfo.fcbsy) {					\
217 		isp_prt(isp, ISP_LOGWARN,				\
218 		    "FC scratch area busy (line %d)!", __LINE__);	\
219 	} else								\
220 		isp->isp_osinfo.fcbsy = 1
221 #define	FC_SCRATCH_RELEASE(isp)		 isp->isp_osinfo.fcbsy = 0
222 
223 #ifndef	SCSI_GOOD
224 #define	SCSI_GOOD	SCSI_STATUS_OK
225 #endif
226 #ifndef	SCSI_CHECK
227 #define	SCSI_CHECK	SCSI_STATUS_CHECK_COND
228 #endif
229 #ifndef	SCSI_BUSY
230 #define	SCSI_BUSY	SCSI_STATUS_BUSY
231 #endif
232 #ifndef	SCSI_QFULL
233 #define	SCSI_QFULL	SCSI_STATUS_QUEUE_FULL
234 #endif
235 
236 #define	XS_T			struct ccb_scsiio
237 #define	XS_ISP(ccb)		((struct ispsoftc *) (ccb)->ccb_h.spriv_ptr1)
238 #define	XS_CHANNEL(ccb)		cam_sim_bus(xpt_path_sim((ccb)->ccb_h.path))
239 #define	XS_TGT(ccb)		(ccb)->ccb_h.target_id
240 #define	XS_LUN(ccb)		(ccb)->ccb_h.target_lun
241 
242 #define	XS_CDBP(ccb)	\
243 	(((ccb)->ccb_h.flags & CAM_CDB_POINTER)? \
244 	 (ccb)->cdb_io.cdb_ptr : (ccb)->cdb_io.cdb_bytes)
245 
246 #define	XS_CDBLEN(ccb)		(ccb)->cdb_len
247 #define	XS_XFRLEN(ccb)		(ccb)->dxfer_len
248 #define	XS_TIME(ccb)		(ccb)->ccb_h.timeout
249 #define	XS_RESID(ccb)		(ccb)->resid
250 #define	XS_STSP(ccb)		(&(ccb)->scsi_status)
251 #define	XS_SNSP(ccb)		(&(ccb)->sense_data)
252 
253 #define	XS_SNSLEN(ccb)		\
254 	imin((sizeof((ccb)->sense_data)), ccb->sense_len)
255 
256 #define	XS_SNSKEY(ccb)		((ccb)->sense_data.flags & 0xf)
257 #define	XS_TAG_P(ccb)	\
258 	(((ccb)->ccb_h.flags & CAM_TAG_ACTION_VALID) && \
259 	 (ccb)->tag_action != CAM_TAG_ACTION_NONE)
260 
261 #define	XS_TAG_TYPE(ccb)	\
262 	((ccb->tag_action == MSG_SIMPLE_Q_TAG)? REQFLAG_STAG : \
263 	 ((ccb->tag_action == MSG_HEAD_OF_Q_TAG)? REQFLAG_HTAG : REQFLAG_OTAG))
264 
265 
266 #define	XS_SETERR(ccb, v)	(ccb)->ccb_h.status &= ~CAM_STATUS_MASK, \
267 				(ccb)->ccb_h.status |= v, \
268 				(ccb)->ccb_h.spriv_field0 |= ISP_SPRIV_ERRSET
269 
270 #	define	HBA_NOERROR		CAM_REQ_INPROG
271 #	define	HBA_BOTCH		CAM_UNREC_HBA_ERROR
272 #	define	HBA_CMDTIMEOUT		CAM_CMD_TIMEOUT
273 #	define	HBA_SELTIMEOUT		CAM_SEL_TIMEOUT
274 #	define	HBA_TGTBSY		CAM_SCSI_STATUS_ERROR
275 #	define	HBA_BUSRESET		CAM_SCSI_BUS_RESET
276 #	define	HBA_ABORTED		CAM_REQ_ABORTED
277 #	define	HBA_DATAOVR		CAM_DATA_RUN_ERR
278 #	define	HBA_ARQFAIL		CAM_AUTOSENSE_FAIL
279 
280 
281 #define	XS_ERR(ccb)		((ccb)->ccb_h.status & CAM_STATUS_MASK)
282 
283 #define	XS_NOERR(ccb)		\
284 	(((ccb)->ccb_h.spriv_field0 & ISP_SPRIV_ERRSET) == 0 || \
285 	 ((ccb)->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG)
286 
287 #define	XS_INITERR(ccb)		\
288 	XS_SETERR(ccb, CAM_REQ_INPROG), (ccb)->ccb_h.spriv_field0 = 0
289 
290 #define	XS_SAVE_SENSE(xs, sp)				\
291 	(xs)->ccb_h.status |= CAM_AUTOSNS_VALID,	\
292 	bcopy(sp->req_sense_data, &(xs)->sense_data,	\
293 	    imin(XS_SNSLEN(xs), sp->req_sense_len))
294 
295 #define	XS_SET_STATE_STAT(a, b, c)
296 
297 #define	DEFAULT_IID(x)		(isp)->isp_osinfo.default_id
298 #define	DEFAULT_LOOPID(x)	(isp)->isp_osinfo.default_id
299 #define	DEFAULT_NODEWWN(isp)	(isp)->isp_osinfo.default_node_wwn
300 #define	DEFAULT_PORTWWN(isp)	(isp)->isp_osinfo.default_port_wwn
301 #define	ISP_NODEWWN(isp)	FCPARAM(isp)->isp_nodewwn
302 #define	ISP_PORTWWN(isp)	FCPARAM(isp)->isp_portwwn
303 
304 #if	BYTE_ORDER == BIG_ENDIAN
305 #ifdef	ISP_SBUS_SUPPORTED
306 #define	ISP_IOXPUT_8(isp, s, d)		*(d) = s
307 #define	ISP_IOXPUT_16(isp, s, d)				\
308 	*(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : bswap16(s)
309 #define	ISP_IOXPUT_32(isp, s, d)				\
310 	*(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : bswap32(s)
311 #define	ISP_IOXGET_8(isp, s, d)		d = (*((u_int8_t *)s))
312 #define	ISP_IOXGET_16(isp, s, d)				\
313 	d = (isp->isp_bustype == ISP_BT_SBUS)?			\
314 	*((u_int16_t *)s) : bswap16(*((u_int16_t *)s))
315 #define	ISP_IOXGET_32(isp, s, d)				\
316 	d = (isp->isp_bustype == ISP_BT_SBUS)?			\
317 	*((u_int32_t *)s) : bswap32(*((u_int32_t *)s))
318 #else
319 #define	ISP_IOXPUT_8(isp, s, d)		*(d) = s
320 #define	ISP_IOXPUT_16(isp, s, d)	*(d) = bswap16(s)
321 #define	ISP_IOXPUT_32(isp, s, d)	*(d) = bswap32(s)
322 #define	ISP_IOXGET_8(isp, s, d)		d = (*((u_int8_t *)s))
323 #define	ISP_IOXGET_16(isp, s, d)	d = bswap16(*((u_int16_t *)s))
324 #define	ISP_IOXGET_32(isp, s, d)	d = bswap32(*((u_int32_t *)s))
325 #endif
326 #define	ISP_SWIZZLE_NVRAM_WORD(isp, rp)	*rp = bswap16(*rp)
327 #else
328 #define	ISP_IOXPUT_8(isp, s, d)		*(d) = s
329 #define	ISP_IOXPUT_16(isp, s, d)	*(d) = s
330 #define	ISP_IOXPUT_32(isp, s, d)	*(d) = s
331 #define	ISP_IOXGET_8(isp, s, d)		d = *(s)
332 #define	ISP_IOXGET_16(isp, s, d)	d = *(s)
333 #define	ISP_IOXGET_32(isp, s, d)	d = *(s)
334 #define	ISP_SWIZZLE_NVRAM_WORD(isp, rp)
335 #endif
336 
337 /*
338  * Includes of common header files
339  */
340 
341 #include "ispreg.h"
342 #include "ispvar.h"
343 #include "ispmbox.h"
344 
345 /*
346  * isp_osinfo definiitions && shorthand
347  */
348 #define	SIMQFRZ_RESOURCE	0x1
349 #define	SIMQFRZ_LOOPDOWN	0x2
350 #define	SIMQFRZ_TIMED		0x4
351 
352 #define	isp_sim		isp_osinfo.sim
353 #define	isp_path	isp_osinfo.path
354 #define	isp_sim2	isp_osinfo.sim2
355 #define	isp_path2	isp_osinfo.path2
356 #define	isp_dev		isp_osinfo.dev
357 
358 /*
359  * prototypes for isp_pci && isp_freebsd to share
360  */
361 extern void isp_attach(struct ispsoftc *);
362 extern void isp_uninit(struct ispsoftc *);
363 
364 /*
365  * Platform private flags
366  */
367 #define	ISP_SPRIV_ERRSET	0x1
368 #define	ISP_SPRIV_INWDOG	0x2
369 #define	ISP_SPRIV_GRACE		0x4
370 #define	ISP_SPRIV_DONE		0x8
371 
372 #define	XS_CMD_S_WDOG(sccb)	(sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_INWDOG
373 #define	XS_CMD_C_WDOG(sccb)	(sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_INWDOG
374 #define	XS_CMD_WDOG_P(sccb)	((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_INWDOG)
375 
376 #define	XS_CMD_S_GRACE(sccb)	(sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_GRACE
377 #define	XS_CMD_C_GRACE(sccb)	(sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_GRACE
378 #define	XS_CMD_GRACE_P(sccb)	((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_GRACE)
379 
380 #define	XS_CMD_S_DONE(sccb)	(sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_DONE
381 #define	XS_CMD_C_DONE(sccb)	(sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_DONE
382 #define	XS_CMD_DONE_P(sccb)	((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_DONE)
383 
384 #define	XS_CMD_S_CLEAR(sccb)	(sccb)->ccb_h.spriv_field0 = 0
385 /*
386  * Platform specific inline functions
387  */
388 static INLINE void isp_lockspl(struct ispsoftc *);
389 static INLINE void
390 isp_lockspl(struct ispsoftc *isp)
391 {
392        crit_enter();
393 }
394 
395 static INLINE void isp_unlockspl(struct ispsoftc *);
396 static INLINE void
397 isp_unlockspl(struct ispsoftc *isp)
398 {
399 	crit_exit();
400 }
401 
402 static INLINE void isp_mbox_wait_complete(struct ispsoftc *);
403 static INLINE void
404 isp_mbox_wait_complete(struct ispsoftc *isp)
405 {
406 	if (isp->isp_osinfo.intsok) {
407 		int lim = ((isp->isp_mbxwrk0)? 120 : 20) * hz;
408 		isp->isp_osinfo.mboxwaiting = 1;
409 		(void) tsleep(&isp->isp_mbxworkp, 0, "isp_mboxwaiting", lim);
410 		if (isp->isp_mboxbsy != 0) {
411 			isp_prt(isp, ISP_LOGWARN,
412 			    "Interrupting Mailbox Command (0x%x) Timeout",
413 			    isp->isp_lastmbxcmd);
414 			isp->isp_mboxbsy = 0;
415 		}
416 		isp->isp_osinfo.mboxwaiting = 0;
417 	} else {
418 		int lim = ((isp->isp_mbxwrk0)? 240 : 60) * 10000;
419 		int j;
420 		for (j = 0; j < lim; j++) {
421 			u_int16_t isr, sema, mbox;
422 			if (isp->isp_mboxbsy == 0) {
423 				break;
424 			}
425 			if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
426 				isp_intr(isp, isr, sema, mbox);
427 				if (isp->isp_mboxbsy == 0) {
428 					break;
429 				}
430 			}
431 			USEC_DELAY(500);
432 		}
433 		if (isp->isp_mboxbsy != 0) {
434 			isp_prt(isp, ISP_LOGWARN,
435 			    "Polled Mailbox Command (0x%x) Timeout",
436 			    isp->isp_lastmbxcmd);
437 		}
438 	}
439 }
440 
441 static INLINE u_int64_t nanotime_sub(struct timespec *, struct timespec *);
442 static INLINE u_int64_t
443 nanotime_sub(struct timespec *b, struct timespec *a)
444 {
445 	u_int64_t elapsed;
446 	struct timespec x = *b;
447 	timespecsub(&x, a);
448 	elapsed = GET_NANOSEC(&x);
449 	if (elapsed == 0)
450 		elapsed++;
451 	return (elapsed);
452 }
453 
454 static INLINE char *strncat(char *, const char *, size_t);
455 static INLINE char *
456 strncat(char *d, const char *s, size_t c)
457 {
458         char *t = d;
459 
460         if (c) {
461                 while (*d)
462                         d++;
463                 while ((*d++ = *s++)) {
464                         if (--c == 0) {
465                                 *d = '\0';
466                                 break;
467                         }
468                 }
469         }
470         return (t);
471 }
472 
473 /*
474  * Common inline functions
475  */
476 
477 #include "isp_inline.h"
478 #endif	/* _ISP_FREEBSD_H */
479