xref: /dragonfly/sys/dev/disk/isp/isp_freebsd.h (revision 3f5e28f4)
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 1.8 2006/12/20 18:14:38 dillon 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/clock.h>
44 #include <machine/cpu.h>
45 
46 #include <bus/cam/cam.h>
47 #include <bus/cam/cam_debug.h>
48 #include <bus/cam/cam_ccb.h>
49 #include <bus/cam/cam_sim.h>
50 #include <bus/cam/cam_xpt.h>
51 #include <bus/cam/cam_xpt_sim.h>
52 #include <bus/cam/cam_debug.h>
53 #include <bus/cam/scsi/scsi_all.h>
54 #include <bus/cam/scsi/scsi_message.h>
55 
56 #include "opt_ddb.h"
57 #include "opt_isp.h"
58 
59 /*
60  * Not quite yet
61  */
62 /* #define	ISP_DAC_SUPPORTED	1 */
63 
64 /*
65  * Efficiency- get rid of SBus code && tests unless we need them.
66  */
67 #if	_MACHINE_ARCH == sparc64
68 #define	ISP_SBUS_SUPPORTED	1
69 #else
70 #define	ISP_SBUS_SUPPORTED	0
71 #endif
72 
73 #define	HANDLE_LOOPSTATE_IN_OUTER_LAYERS	1
74 
75 typedef void ispfwfunc(int, int, int, u_int16_t **);
76 
77 #ifdef	ISP_TARGET_MODE
78 #define	ISP_TARGET_FUNCTIONS	1
79 #define	ATPDPSIZE	256
80 typedef struct {
81 	u_int32_t	orig_datalen;
82 	u_int32_t	bytes_xfered;
83 	u_int32_t	last_xframt;
84 	u_int32_t	tag	: 16,
85 			lun	: 13,	/* not enough */
86 			state	: 3;
87 } atio_private_data_t;
88 #define	ATPD_STATE_FREE			0
89 #define	ATPD_STATE_ATIO			1
90 #define	ATPD_STATE_CAM			2
91 #define	ATPD_STATE_CTIO			3
92 #define	ATPD_STATE_LAST_CTIO		4
93 #define	ATPD_STATE_PDON			5
94 
95 typedef struct tstate {
96 	struct tstate *next;
97 	struct cam_path *owner;
98 	struct ccb_hdr_slist atios;
99 	struct ccb_hdr_slist inots;
100 	lun_id_t lun;
101 	int bus;
102 	u_int32_t hold;
103 	int atio_count;
104 } tstate_t;
105 
106 #define	LUN_HASH_SIZE			32
107 #define	LUN_HASH_FUNC(isp, port, lun)					\
108 	((IS_DUALBUS(isp)) ?						\
109 		(((lun) & ((LUN_HASH_SIZE >> 1) - 1)) << (port)) :	\
110 		((lun) & (LUN_HASH_SIZE - 1)))
111 #endif
112 
113 struct isposinfo {
114 	struct ispsoftc *	next;
115 	u_int64_t		default_port_wwn;
116 	u_int64_t		default_node_wwn;
117 	u_int32_t		default_id;
118 	device_t		dev;
119 	struct cam_sim		*sim;
120 	struct cam_path		*path;
121 	struct cam_sim		*sim2;
122 	struct cam_path		*path2;
123 	struct intr_config_hook	ehook;
124 	u_int8_t		: 1,
125 		fcbsy		: 1,
126 		ktmature	: 1,
127 		mboxwaiting	: 1,
128 		intsok		: 1,
129 		simqfrozen	: 3;
130 	struct thread		*kthread;
131 	bus_dma_tag_t		cdmat;
132 	bus_dmamap_t		cdmap;
133 #define	isp_cdmat		isp_osinfo.cdmat
134 #define	isp_cdmap		isp_osinfo.cdmap
135 #ifdef	ISP_TARGET_MODE
136 #define	TM_WANTED		0x80
137 #define	TM_BUSY			0x40
138 #define	TM_WILDCARD_ENABLED	0x02
139 #define	TM_TMODE_ENABLED	0x01
140 	u_int8_t		tmflags[2];	/* two busses */
141 	u_int8_t		rstatus[2];	/* two bussed */
142 	u_int16_t		rollinfo;
143 	tstate_t		tsdflt[2];	/* two busses */
144 	tstate_t		*lun_hash[LUN_HASH_SIZE];
145 	atio_private_data_t	atpdp[ATPDPSIZE];
146 #endif
147 };
148 
149 #define	isp_lock	isp_osinfo.lock
150 
151 /*
152  * Locking macros...
153  */
154 
155 #define	ISP_LOCK		isp_lockspl
156 #define	ISP_UNLOCK		isp_unlockspl
157 #define	ISPLOCK_2_CAMLOCK(x)
158 #define	CAMLOCK_2_ISPLOCK(x)
159 
160 /*
161  * Required Macros/Defines
162  */
163 
164 #define	INLINE			__inline
165 
166 #define	ISP2100_SCRLEN		0x800
167 
168 #define	MEMZERO			bzero
169 #define	MEMCPY(dst, src, amt)	bcopy((src), (dst), (amt))
170 #define	SNPRINTF		ksnprintf
171 #define	USEC_DELAY		DELAY
172 #define	USEC_SLEEP(isp, x)		\
173 	if (isp->isp_osinfo.intsok)	\
174 		ISP_UNLOCK(isp);	\
175 	DELAY(x);			\
176 	if (isp->isp_osinfo.intsok)	\
177 		ISP_LOCK(isp)
178 
179 #define	NANOTIME_T		struct timespec
180 #define	GET_NANOTIME		nanotime
181 #define	GET_NANOSEC(x)		((x)->tv_sec * 1000000000 + (x)->tv_nsec)
182 #define	NANOTIME_SUB		nanotime_sub
183 
184 #define	MAXISPREQUEST(isp)	((IS_FC(isp) || IS_ULTRA2(isp))? 1024 : 256)
185 
186 #define	MEMORYBARRIER(isp, type, offset, size)			\
187 switch (type) {							\
188 case SYNC_SFORDEV:						\
189 case SYNC_REQUEST:						\
190 	bus_dmamap_sync(isp->isp_cdmat, isp->isp_cdmap, 	\
191 	   BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);		\
192 	break;							\
193 case SYNC_SFORCPU:						\
194 case SYNC_RESULT:						\
195 	bus_dmamap_sync(isp->isp_cdmat, isp->isp_cdmap,		\
196 	   BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);	\
197 	break;							\
198 default:							\
199 	break;							\
200 }
201 
202 #define	MBOX_ACQUIRE(isp)
203 #define	MBOX_WAIT_COMPLETE		isp_mbox_wait_complete
204 #define	MBOX_NOTIFY_COMPLETE(isp)	\
205 	if (isp->isp_osinfo.mboxwaiting) { \
206 		isp->isp_osinfo.mboxwaiting = 0; \
207 		wakeup(&isp->isp_mbxworkp); \
208 	} \
209 	isp->isp_mboxbsy = 0
210 #define	MBOX_RELEASE(isp)
211 
212 #define	FC_SCRATCH_ACQUIRE(isp)						\
213 	if (isp->isp_osinfo.fcbsy) {					\
214 		isp_prt(isp, ISP_LOGWARN,				\
215 		    "FC scratch area busy (line %d)!", __LINE__);	\
216 	} else								\
217 		isp->isp_osinfo.fcbsy = 1
218 #define	FC_SCRATCH_RELEASE(isp)		 isp->isp_osinfo.fcbsy = 0
219 
220 #ifndef	SCSI_GOOD
221 #define	SCSI_GOOD	SCSI_STATUS_OK
222 #endif
223 #ifndef	SCSI_CHECK
224 #define	SCSI_CHECK	SCSI_STATUS_CHECK_COND
225 #endif
226 #ifndef	SCSI_BUSY
227 #define	SCSI_BUSY	SCSI_STATUS_BUSY
228 #endif
229 #ifndef	SCSI_QFULL
230 #define	SCSI_QFULL	SCSI_STATUS_QUEUE_FULL
231 #endif
232 
233 #define	XS_T			struct ccb_scsiio
234 #define	XS_ISP(ccb)		((struct ispsoftc *) (ccb)->ccb_h.spriv_ptr1)
235 #define	XS_CHANNEL(ccb)		cam_sim_bus(xpt_path_sim((ccb)->ccb_h.path))
236 #define	XS_TGT(ccb)		(ccb)->ccb_h.target_id
237 #define	XS_LUN(ccb)		(ccb)->ccb_h.target_lun
238 
239 #define	XS_CDBP(ccb)	\
240 	(((ccb)->ccb_h.flags & CAM_CDB_POINTER)? \
241 	 (ccb)->cdb_io.cdb_ptr : (ccb)->cdb_io.cdb_bytes)
242 
243 #define	XS_CDBLEN(ccb)		(ccb)->cdb_len
244 #define	XS_XFRLEN(ccb)		(ccb)->dxfer_len
245 #define	XS_TIME(ccb)		(ccb)->ccb_h.timeout
246 #define	XS_RESID(ccb)		(ccb)->resid
247 #define	XS_STSP(ccb)		(&(ccb)->scsi_status)
248 #define	XS_SNSP(ccb)		(&(ccb)->sense_data)
249 
250 #define	XS_SNSLEN(ccb)		\
251 	imin((sizeof((ccb)->sense_data)), ccb->sense_len)
252 
253 #define	XS_SNSKEY(ccb)		((ccb)->sense_data.flags & 0xf)
254 #define	XS_TAG_P(ccb)	\
255 	(((ccb)->ccb_h.flags & CAM_TAG_ACTION_VALID) && \
256 	 (ccb)->tag_action != CAM_TAG_ACTION_NONE)
257 
258 #define	XS_TAG_TYPE(ccb)	\
259 	((ccb->tag_action == MSG_SIMPLE_Q_TAG)? REQFLAG_STAG : \
260 	 ((ccb->tag_action == MSG_HEAD_OF_Q_TAG)? REQFLAG_HTAG : REQFLAG_OTAG))
261 
262 
263 #define	XS_SETERR(ccb, v)	(ccb)->ccb_h.status &= ~CAM_STATUS_MASK, \
264 				(ccb)->ccb_h.status |= v, \
265 				(ccb)->ccb_h.spriv_field0 |= ISP_SPRIV_ERRSET
266 
267 #	define	HBA_NOERROR		CAM_REQ_INPROG
268 #	define	HBA_BOTCH		CAM_UNREC_HBA_ERROR
269 #	define	HBA_CMDTIMEOUT		CAM_CMD_TIMEOUT
270 #	define	HBA_SELTIMEOUT		CAM_SEL_TIMEOUT
271 #	define	HBA_TGTBSY		CAM_SCSI_STATUS_ERROR
272 #	define	HBA_BUSRESET		CAM_SCSI_BUS_RESET
273 #	define	HBA_ABORTED		CAM_REQ_ABORTED
274 #	define	HBA_DATAOVR		CAM_DATA_RUN_ERR
275 #	define	HBA_ARQFAIL		CAM_AUTOSENSE_FAIL
276 
277 
278 #define	XS_ERR(ccb)		((ccb)->ccb_h.status & CAM_STATUS_MASK)
279 
280 #define	XS_NOERR(ccb)		\
281 	(((ccb)->ccb_h.spriv_field0 & ISP_SPRIV_ERRSET) == 0 || \
282 	 ((ccb)->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG)
283 
284 #define	XS_INITERR(ccb)		\
285 	XS_SETERR(ccb, CAM_REQ_INPROG), (ccb)->ccb_h.spriv_field0 = 0
286 
287 #define	XS_SAVE_SENSE(xs, sp)				\
288 	(xs)->ccb_h.status |= CAM_AUTOSNS_VALID,	\
289 	bcopy(sp->req_sense_data, &(xs)->sense_data,	\
290 	    imin(XS_SNSLEN(xs), sp->req_sense_len))
291 
292 #define	XS_SET_STATE_STAT(a, b, c)
293 
294 #define	DEFAULT_IID(x)		(isp)->isp_osinfo.default_id
295 #define	DEFAULT_LOOPID(x)	(isp)->isp_osinfo.default_id
296 #define	DEFAULT_NODEWWN(isp)	(isp)->isp_osinfo.default_node_wwn
297 #define	DEFAULT_PORTWWN(isp)	(isp)->isp_osinfo.default_port_wwn
298 #define	ISP_NODEWWN(isp)	FCPARAM(isp)->isp_nodewwn
299 #define	ISP_PORTWWN(isp)	FCPARAM(isp)->isp_portwwn
300 
301 #if	BYTE_ORDER == BIG_ENDIAN
302 #ifdef	ISP_SBUS_SUPPORTED
303 #define	ISP_IOXPUT_8(isp, s, d)		*(d) = s
304 #define	ISP_IOXPUT_16(isp, s, d)				\
305 	*(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : bswap16(s)
306 #define	ISP_IOXPUT_32(isp, s, d)				\
307 	*(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : bswap32(s)
308 #define	ISP_IOXGET_8(isp, s, d)		d = (*((u_int8_t *)s))
309 #define	ISP_IOXGET_16(isp, s, d)				\
310 	d = (isp->isp_bustype == ISP_BT_SBUS)?			\
311 	*((u_int16_t *)s) : bswap16(*((u_int16_t *)s))
312 #define	ISP_IOXGET_32(isp, s, d)				\
313 	d = (isp->isp_bustype == ISP_BT_SBUS)?			\
314 	*((u_int32_t *)s) : bswap32(*((u_int32_t *)s))
315 #else
316 #define	ISP_IOXPUT_8(isp, s, d)		*(d) = s
317 #define	ISP_IOXPUT_16(isp, s, d)	*(d) = bswap16(s)
318 #define	ISP_IOXPUT_32(isp, s, d)	*(d) = bswap32(s)
319 #define	ISP_IOXGET_8(isp, s, d)		d = (*((u_int8_t *)s))
320 #define	ISP_IOXGET_16(isp, s, d)	d = bswap16(*((u_int16_t *)s))
321 #define	ISP_IOXGET_32(isp, s, d)	d = bswap32(*((u_int32_t *)s))
322 #endif
323 #define	ISP_SWIZZLE_NVRAM_WORD(isp, rp)	*rp = bswap16(*rp)
324 #else
325 #define	ISP_IOXPUT_8(isp, s, d)		*(d) = s
326 #define	ISP_IOXPUT_16(isp, s, d)	*(d) = s
327 #define	ISP_IOXPUT_32(isp, s, d)	*(d) = s
328 #define	ISP_IOXGET_8(isp, s, d)		d = *(s)
329 #define	ISP_IOXGET_16(isp, s, d)	d = *(s)
330 #define	ISP_IOXGET_32(isp, s, d)	d = *(s)
331 #define	ISP_SWIZZLE_NVRAM_WORD(isp, rp)
332 #endif
333 
334 /*
335  * Includes of common header files
336  */
337 
338 #include "ispreg.h"
339 #include "ispvar.h"
340 #include "ispmbox.h"
341 
342 /*
343  * isp_osinfo definiitions && shorthand
344  */
345 #define	SIMQFRZ_RESOURCE	0x1
346 #define	SIMQFRZ_LOOPDOWN	0x2
347 #define	SIMQFRZ_TIMED		0x4
348 
349 #define	isp_sim		isp_osinfo.sim
350 #define	isp_path	isp_osinfo.path
351 #define	isp_sim2	isp_osinfo.sim2
352 #define	isp_path2	isp_osinfo.path2
353 #define	isp_dev		isp_osinfo.dev
354 
355 /*
356  * prototypes for isp_pci && isp_freebsd to share
357  */
358 extern void isp_attach(struct ispsoftc *);
359 extern void isp_uninit(struct ispsoftc *);
360 
361 /*
362  * Platform private flags
363  */
364 #define	ISP_SPRIV_ERRSET	0x1
365 #define	ISP_SPRIV_INWDOG	0x2
366 #define	ISP_SPRIV_GRACE		0x4
367 #define	ISP_SPRIV_DONE		0x8
368 
369 #define	XS_CMD_S_WDOG(sccb)	(sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_INWDOG
370 #define	XS_CMD_C_WDOG(sccb)	(sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_INWDOG
371 #define	XS_CMD_WDOG_P(sccb)	((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_INWDOG)
372 
373 #define	XS_CMD_S_GRACE(sccb)	(sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_GRACE
374 #define	XS_CMD_C_GRACE(sccb)	(sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_GRACE
375 #define	XS_CMD_GRACE_P(sccb)	((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_GRACE)
376 
377 #define	XS_CMD_S_DONE(sccb)	(sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_DONE
378 #define	XS_CMD_C_DONE(sccb)	(sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_DONE
379 #define	XS_CMD_DONE_P(sccb)	((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_DONE)
380 
381 #define	XS_CMD_S_CLEAR(sccb)	(sccb)->ccb_h.spriv_field0 = 0
382 /*
383  * Platform specific inline functions
384  */
385 static INLINE void isp_lockspl(struct ispsoftc *);
386 static INLINE void
387 isp_lockspl(struct ispsoftc *isp)
388 {
389        crit_enter();
390 }
391 
392 static INLINE void isp_unlockspl(struct ispsoftc *);
393 static INLINE void
394 isp_unlockspl(struct ispsoftc *isp)
395 {
396 	crit_exit();
397 }
398 
399 static INLINE void isp_mbox_wait_complete(struct ispsoftc *);
400 static INLINE void
401 isp_mbox_wait_complete(struct ispsoftc *isp)
402 {
403 	if (isp->isp_osinfo.intsok) {
404 		int lim = ((isp->isp_mbxwrk0)? 120 : 20) * hz;
405 		isp->isp_osinfo.mboxwaiting = 1;
406 		(void) tsleep(&isp->isp_mbxworkp, 0, "isp_mboxwaiting", lim);
407 		if (isp->isp_mboxbsy != 0) {
408 			isp_prt(isp, ISP_LOGWARN,
409 			    "Interrupting Mailbox Command (0x%x) Timeout",
410 			    isp->isp_lastmbxcmd);
411 			isp->isp_mboxbsy = 0;
412 		}
413 		isp->isp_osinfo.mboxwaiting = 0;
414 	} else {
415 		int lim = ((isp->isp_mbxwrk0)? 240 : 60) * 10000;
416 		int j;
417 		for (j = 0; j < lim; j++) {
418 			u_int16_t isr, sema, mbox;
419 			if (isp->isp_mboxbsy == 0) {
420 				break;
421 			}
422 			if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
423 				isp_intr(isp, isr, sema, mbox);
424 				if (isp->isp_mboxbsy == 0) {
425 					break;
426 				}
427 			}
428 			USEC_DELAY(500);
429 		}
430 		if (isp->isp_mboxbsy != 0) {
431 			isp_prt(isp, ISP_LOGWARN,
432 			    "Polled Mailbox Command (0x%x) Timeout",
433 			    isp->isp_lastmbxcmd);
434 		}
435 	}
436 }
437 
438 static INLINE u_int64_t nanotime_sub(struct timespec *, struct timespec *);
439 static INLINE u_int64_t
440 nanotime_sub(struct timespec *b, struct timespec *a)
441 {
442 	u_int64_t elapsed;
443 	struct timespec x = *b;
444 	timespecsub(&x, a);
445 	elapsed = GET_NANOSEC(&x);
446 	if (elapsed == 0)
447 		elapsed++;
448 	return (elapsed);
449 }
450 
451 static INLINE char *strncat(char *, const char *, size_t);
452 static INLINE char *
453 strncat(char *d, const char *s, size_t c)
454 {
455         char *t = d;
456 
457         if (c) {
458                 while (*d)
459                         d++;
460                 while ((*d++ = *s++)) {
461                         if (--c == 0) {
462                                 *d = '\0';
463                                 break;
464                         }
465                 }
466         }
467         return (t);
468 }
469 
470 /*
471  * Common inline functions
472  */
473 
474 #include "isp_inline.h"
475 #endif	/* _ISP_FREEBSD_H */
476