xref: /dragonfly/sys/dev/disk/isp/isp_freebsd.h (revision 36a3d1d6)
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 
42 #include <sys/thread2.h>
43 #include <sys/mplock2.h>
44 
45 #include <machine/clock.h>
46 #include <machine/cpu.h>
47 
48 #include <bus/cam/cam.h>
49 #include <bus/cam/cam_debug.h>
50 #include <bus/cam/cam_ccb.h>
51 #include <bus/cam/cam_sim.h>
52 #include <bus/cam/cam_xpt.h>
53 #include <bus/cam/cam_xpt_sim.h>
54 #include <bus/cam/cam_debug.h>
55 #include <bus/cam/scsi/scsi_all.h>
56 #include <bus/cam/scsi/scsi_message.h>
57 
58 #include "opt_ddb.h"
59 #include "opt_isp.h"
60 
61 /*
62  * Not quite yet
63  */
64 /* #define	ISP_DAC_SUPPORTED	1 */
65 
66 /*
67  * Efficiency- get rid of SBus code && tests unless we need them.
68  */
69 #if	_MACHINE_ARCH == sparc64
70 #define	ISP_SBUS_SUPPORTED	1
71 #else
72 #define	ISP_SBUS_SUPPORTED	0
73 #endif
74 
75 #define	HANDLE_LOOPSTATE_IN_OUTER_LAYERS	1
76 
77 typedef void ispfwfunc(int, int, int, u_int16_t **);
78 
79 #ifdef	ISP_TARGET_MODE
80 #define	ISP_TARGET_FUNCTIONS	1
81 #define	ATPDPSIZE	256
82 typedef struct {
83 	u_int32_t	orig_datalen;
84 	u_int32_t	bytes_xfered;
85 	u_int32_t	last_xframt;
86 	u_int32_t	tag	: 16,
87 			lun	: 13,	/* not enough */
88 			state	: 3;
89 } atio_private_data_t;
90 #define	ATPD_STATE_FREE			0
91 #define	ATPD_STATE_ATIO			1
92 #define	ATPD_STATE_CAM			2
93 #define	ATPD_STATE_CTIO			3
94 #define	ATPD_STATE_LAST_CTIO		4
95 #define	ATPD_STATE_PDON			5
96 
97 typedef struct tstate {
98 	struct tstate *next;
99 	struct cam_path *owner;
100 	struct ccb_hdr_slist atios;
101 	struct ccb_hdr_slist inots;
102 	lun_id_t lun;
103 	int bus;
104 	u_int32_t hold;
105 	int atio_count;
106 } tstate_t;
107 
108 #define	LUN_HASH_SIZE			32
109 #define	LUN_HASH_FUNC(isp, port, lun)					\
110 	((IS_DUALBUS(isp)) ?						\
111 		(((lun) & ((LUN_HASH_SIZE >> 1) - 1)) << (port)) :	\
112 		((lun) & (LUN_HASH_SIZE - 1)))
113 #endif
114 
115 struct isposinfo {
116 	struct ispsoftc *	next;
117 	u_int64_t		default_port_wwn;
118 	u_int64_t		default_node_wwn;
119 	u_int32_t		default_id;
120 	device_t		dev;
121 	struct cam_sim		*sim;
122 	struct cam_path		*path;
123 	struct cam_sim		*sim2;
124 	struct cam_path		*path2;
125 	struct intr_config_hook	ehook;
126 	u_int8_t		: 1,
127 		fcbsy		: 1,
128 		ktmature	: 1,
129 		mboxwaiting	: 1,
130 		intsok		: 1,
131 		simqfrozen	: 3;
132 	struct thread		*kthread;
133 	bus_dma_tag_t		cdmat;
134 	bus_dmamap_t		cdmap;
135 #define	isp_cdmat		isp_osinfo.cdmat
136 #define	isp_cdmap		isp_osinfo.cdmap
137 #ifdef	ISP_TARGET_MODE
138 #define	TM_WANTED		0x80
139 #define	TM_BUSY			0x40
140 #define	TM_WILDCARD_ENABLED	0x02
141 #define	TM_TMODE_ENABLED	0x01
142 	u_int8_t		tmflags[2];	/* two busses */
143 	u_int8_t		rstatus[2];	/* two bussed */
144 	u_int16_t		rollinfo;
145 	tstate_t		tsdflt[2];	/* two busses */
146 	tstate_t		*lun_hash[LUN_HASH_SIZE];
147 	atio_private_data_t	atpdp[ATPDPSIZE];
148 #endif
149 };
150 
151 #define	isp_lock	isp_osinfo.lock
152 
153 /*
154  * Locking macros...
155  */
156 
157 #define	ISP_LOCK		isp_lockspl
158 #define	ISP_UNLOCK		isp_unlockspl
159 #define	ISPLOCK_2_CAMLOCK(x)
160 #define	CAMLOCK_2_ISPLOCK(x)
161 
162 /*
163  * Required Macros/Defines
164  */
165 
166 #define	INLINE			__inline
167 
168 #define	ISP2100_SCRLEN		0x800
169 
170 #define	MEMZERO			bzero
171 #define	MEMCPY(dst, src, amt)	bcopy((src), (dst), (amt))
172 #define	SNPRINTF		ksnprintf
173 #define	USEC_DELAY		DELAY
174 #define	USEC_SLEEP(isp, x)		\
175 	if (isp->isp_osinfo.intsok)	\
176 		ISP_UNLOCK(isp);	\
177 	DELAY(x);			\
178 	if (isp->isp_osinfo.intsok)	\
179 		ISP_LOCK(isp)
180 
181 #define	NANOTIME_T		struct timespec
182 #define	GET_NANOTIME		nanotime
183 #define	GET_NANOSEC(x)		((x)->tv_sec * 1000000000 + (x)->tv_nsec)
184 #define	NANOTIME_SUB		nanotime_sub
185 
186 #define	MAXISPREQUEST(isp)	((IS_FC(isp) || IS_ULTRA2(isp))? 1024 : 256)
187 
188 #define	MEMORYBARRIER(isp, type, offset, size)			\
189 switch (type) {							\
190 case SYNC_SFORDEV:						\
191 case SYNC_REQUEST:						\
192 	bus_dmamap_sync(isp->isp_cdmat, isp->isp_cdmap, 	\
193 	   BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);		\
194 	break;							\
195 case SYNC_SFORCPU:						\
196 case SYNC_RESULT:						\
197 	bus_dmamap_sync(isp->isp_cdmat, isp->isp_cdmap,		\
198 	   BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);	\
199 	break;							\
200 default:							\
201 	break;							\
202 }
203 
204 #define	MBOX_ACQUIRE(isp)
205 #define	MBOX_WAIT_COMPLETE		isp_mbox_wait_complete
206 #define	MBOX_NOTIFY_COMPLETE(isp)	\
207 	if (isp->isp_osinfo.mboxwaiting) { \
208 		isp->isp_osinfo.mboxwaiting = 0; \
209 		wakeup(&isp->isp_mbxworkp); \
210 	} \
211 	isp->isp_mboxbsy = 0
212 #define	MBOX_RELEASE(isp)
213 
214 #define	FC_SCRATCH_ACQUIRE(isp)						\
215 	if (isp->isp_osinfo.fcbsy) {					\
216 		isp_prt(isp, ISP_LOGWARN,				\
217 		    "FC scratch area busy (line %d)!", __LINE__);	\
218 	} else								\
219 		isp->isp_osinfo.fcbsy = 1
220 #define	FC_SCRATCH_RELEASE(isp)		 isp->isp_osinfo.fcbsy = 0
221 
222 #ifndef	SCSI_GOOD
223 #define	SCSI_GOOD	SCSI_STATUS_OK
224 #endif
225 #ifndef	SCSI_CHECK
226 #define	SCSI_CHECK	SCSI_STATUS_CHECK_COND
227 #endif
228 #ifndef	SCSI_BUSY
229 #define	SCSI_BUSY	SCSI_STATUS_BUSY
230 #endif
231 #ifndef	SCSI_QFULL
232 #define	SCSI_QFULL	SCSI_STATUS_QUEUE_FULL
233 #endif
234 
235 #define	XS_T			struct ccb_scsiio
236 #define	XS_ISP(ccb)		((struct ispsoftc *) (ccb)->ccb_h.spriv_ptr1)
237 #define	XS_CHANNEL(ccb)		cam_sim_bus(xpt_path_sim((ccb)->ccb_h.path))
238 #define	XS_TGT(ccb)		(ccb)->ccb_h.target_id
239 #define	XS_LUN(ccb)		(ccb)->ccb_h.target_lun
240 
241 #define	XS_CDBP(ccb)	\
242 	(((ccb)->ccb_h.flags & CAM_CDB_POINTER)? \
243 	 (ccb)->cdb_io.cdb_ptr : (ccb)->cdb_io.cdb_bytes)
244 
245 #define	XS_CDBLEN(ccb)		(ccb)->cdb_len
246 #define	XS_XFRLEN(ccb)		(ccb)->dxfer_len
247 #define	XS_TIME(ccb)		(ccb)->ccb_h.timeout
248 #define	XS_RESID(ccb)		(ccb)->resid
249 #define	XS_STSP(ccb)		(&(ccb)->scsi_status)
250 #define	XS_SNSP(ccb)		(&(ccb)->sense_data)
251 
252 #define	XS_SNSLEN(ccb)		\
253 	imin((sizeof((ccb)->sense_data)), ccb->sense_len)
254 
255 #define	XS_SNSKEY(ccb)		((ccb)->sense_data.flags & 0xf)
256 #define	XS_TAG_P(ccb)	\
257 	(((ccb)->ccb_h.flags & CAM_TAG_ACTION_VALID) && \
258 	 (ccb)->tag_action != CAM_TAG_ACTION_NONE)
259 
260 #define	XS_TAG_TYPE(ccb)	\
261 	((ccb->tag_action == MSG_SIMPLE_Q_TAG)? REQFLAG_STAG : \
262 	 ((ccb->tag_action == MSG_HEAD_OF_Q_TAG)? REQFLAG_HTAG : REQFLAG_OTAG))
263 
264 
265 #define	XS_SETERR(ccb, v)	(ccb)->ccb_h.status &= ~CAM_STATUS_MASK, \
266 				(ccb)->ccb_h.status |= v, \
267 				(ccb)->ccb_h.spriv_field0 |= ISP_SPRIV_ERRSET
268 
269 #	define	HBA_NOERROR		CAM_REQ_INPROG
270 #	define	HBA_BOTCH		CAM_UNREC_HBA_ERROR
271 #	define	HBA_CMDTIMEOUT		CAM_CMD_TIMEOUT
272 #	define	HBA_SELTIMEOUT		CAM_SEL_TIMEOUT
273 #	define	HBA_TGTBSY		CAM_SCSI_STATUS_ERROR
274 #	define	HBA_BUSRESET		CAM_SCSI_BUS_RESET
275 #	define	HBA_ABORTED		CAM_REQ_ABORTED
276 #	define	HBA_DATAOVR		CAM_DATA_RUN_ERR
277 #	define	HBA_ARQFAIL		CAM_AUTOSENSE_FAIL
278 
279 
280 #define	XS_ERR(ccb)		((ccb)->ccb_h.status & CAM_STATUS_MASK)
281 
282 #define	XS_NOERR(ccb)		\
283 	(((ccb)->ccb_h.spriv_field0 & ISP_SPRIV_ERRSET) == 0 || \
284 	 ((ccb)->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG)
285 
286 #define	XS_INITERR(ccb)		\
287 	XS_SETERR(ccb, CAM_REQ_INPROG), (ccb)->ccb_h.spriv_field0 = 0
288 
289 #define	XS_SAVE_SENSE(xs, sp)				\
290 	(xs)->ccb_h.status |= CAM_AUTOSNS_VALID,	\
291 	bcopy(sp->req_sense_data, &(xs)->sense_data,	\
292 	    imin(XS_SNSLEN(xs), sp->req_sense_len))
293 
294 #define	XS_SET_STATE_STAT(a, b, c)
295 
296 #define	DEFAULT_IID(x)		(isp)->isp_osinfo.default_id
297 #define	DEFAULT_LOOPID(x)	(isp)->isp_osinfo.default_id
298 #define	DEFAULT_NODEWWN(isp)	(isp)->isp_osinfo.default_node_wwn
299 #define	DEFAULT_PORTWWN(isp)	(isp)->isp_osinfo.default_port_wwn
300 #define	ISP_NODEWWN(isp)	FCPARAM(isp)->isp_nodewwn
301 #define	ISP_PORTWWN(isp)	FCPARAM(isp)->isp_portwwn
302 
303 #if	BYTE_ORDER == BIG_ENDIAN
304 #ifdef	ISP_SBUS_SUPPORTED
305 #define	ISP_IOXPUT_8(isp, s, d)		*(d) = s
306 #define	ISP_IOXPUT_16(isp, s, d)				\
307 	*(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : bswap16(s)
308 #define	ISP_IOXPUT_32(isp, s, d)				\
309 	*(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : bswap32(s)
310 #define	ISP_IOXGET_8(isp, s, d)		d = (*((u_int8_t *)s))
311 #define	ISP_IOXGET_16(isp, s, d)				\
312 	d = (isp->isp_bustype == ISP_BT_SBUS)?			\
313 	*((u_int16_t *)s) : bswap16(*((u_int16_t *)s))
314 #define	ISP_IOXGET_32(isp, s, d)				\
315 	d = (isp->isp_bustype == ISP_BT_SBUS)?			\
316 	*((u_int32_t *)s) : bswap32(*((u_int32_t *)s))
317 #else
318 #define	ISP_IOXPUT_8(isp, s, d)		*(d) = s
319 #define	ISP_IOXPUT_16(isp, s, d)	*(d) = bswap16(s)
320 #define	ISP_IOXPUT_32(isp, s, d)	*(d) = bswap32(s)
321 #define	ISP_IOXGET_8(isp, s, d)		d = (*((u_int8_t *)s))
322 #define	ISP_IOXGET_16(isp, s, d)	d = bswap16(*((u_int16_t *)s))
323 #define	ISP_IOXGET_32(isp, s, d)	d = bswap32(*((u_int32_t *)s))
324 #endif
325 #define	ISP_SWIZZLE_NVRAM_WORD(isp, rp)	*rp = bswap16(*rp)
326 #else
327 #define	ISP_IOXPUT_8(isp, s, d)		*(d) = s
328 #define	ISP_IOXPUT_16(isp, s, d)	*(d) = s
329 #define	ISP_IOXPUT_32(isp, s, d)	*(d) = s
330 #define	ISP_IOXGET_8(isp, s, d)		d = *(s)
331 #define	ISP_IOXGET_16(isp, s, d)	d = *(s)
332 #define	ISP_IOXGET_32(isp, s, d)	d = *(s)
333 #define	ISP_SWIZZLE_NVRAM_WORD(isp, rp)
334 #endif
335 
336 /*
337  * Includes of common header files
338  */
339 
340 #include "ispreg.h"
341 #include "ispvar.h"
342 #include "ispmbox.h"
343 
344 /*
345  * isp_osinfo definiitions && shorthand
346  */
347 #define	SIMQFRZ_RESOURCE	0x1
348 #define	SIMQFRZ_LOOPDOWN	0x2
349 #define	SIMQFRZ_TIMED		0x4
350 
351 #define	isp_sim		isp_osinfo.sim
352 #define	isp_path	isp_osinfo.path
353 #define	isp_sim2	isp_osinfo.sim2
354 #define	isp_path2	isp_osinfo.path2
355 #define	isp_dev		isp_osinfo.dev
356 
357 /*
358  * prototypes for isp_pci && isp_freebsd to share
359  */
360 extern void isp_attach(struct ispsoftc *);
361 extern void isp_uninit(struct ispsoftc *);
362 
363 /*
364  * Platform private flags
365  */
366 #define	ISP_SPRIV_ERRSET	0x1
367 #define	ISP_SPRIV_INWDOG	0x2
368 #define	ISP_SPRIV_GRACE		0x4
369 #define	ISP_SPRIV_DONE		0x8
370 
371 #define	XS_CMD_S_WDOG(sccb)	(sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_INWDOG
372 #define	XS_CMD_C_WDOG(sccb)	(sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_INWDOG
373 #define	XS_CMD_WDOG_P(sccb)	((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_INWDOG)
374 
375 #define	XS_CMD_S_GRACE(sccb)	(sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_GRACE
376 #define	XS_CMD_C_GRACE(sccb)	(sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_GRACE
377 #define	XS_CMD_GRACE_P(sccb)	((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_GRACE)
378 
379 #define	XS_CMD_S_DONE(sccb)	(sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_DONE
380 #define	XS_CMD_C_DONE(sccb)	(sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_DONE
381 #define	XS_CMD_DONE_P(sccb)	((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_DONE)
382 
383 #define	XS_CMD_S_CLEAR(sccb)	(sccb)->ccb_h.spriv_field0 = 0
384 /*
385  * Platform specific inline functions
386  */
387 static INLINE void isp_lockspl(struct ispsoftc *);
388 static INLINE void
389 isp_lockspl(struct ispsoftc *isp)
390 {
391        crit_enter();
392 }
393 
394 static INLINE void isp_unlockspl(struct ispsoftc *);
395 static INLINE void
396 isp_unlockspl(struct ispsoftc *isp)
397 {
398 	crit_exit();
399 }
400 
401 static INLINE void isp_mbox_wait_complete(struct ispsoftc *);
402 static INLINE void
403 isp_mbox_wait_complete(struct ispsoftc *isp)
404 {
405 	if (isp->isp_osinfo.intsok) {
406 		int lim = ((isp->isp_mbxwrk0)? 120 : 20) * hz;
407 		isp->isp_osinfo.mboxwaiting = 1;
408 		(void) tsleep(&isp->isp_mbxworkp, 0, "isp_mboxwaiting", lim);
409 		if (isp->isp_mboxbsy != 0) {
410 			isp_prt(isp, ISP_LOGWARN,
411 			    "Interrupting Mailbox Command (0x%x) Timeout",
412 			    isp->isp_lastmbxcmd);
413 			isp->isp_mboxbsy = 0;
414 		}
415 		isp->isp_osinfo.mboxwaiting = 0;
416 	} else {
417 		int lim = ((isp->isp_mbxwrk0)? 240 : 60) * 10000;
418 		int j;
419 		for (j = 0; j < lim; j++) {
420 			u_int16_t isr, sema, mbox;
421 			if (isp->isp_mboxbsy == 0) {
422 				break;
423 			}
424 			if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
425 				isp_intr(isp, isr, sema, mbox);
426 				if (isp->isp_mboxbsy == 0) {
427 					break;
428 				}
429 			}
430 			USEC_DELAY(500);
431 		}
432 		if (isp->isp_mboxbsy != 0) {
433 			isp_prt(isp, ISP_LOGWARN,
434 			    "Polled Mailbox Command (0x%x) Timeout",
435 			    isp->isp_lastmbxcmd);
436 		}
437 	}
438 }
439 
440 static INLINE u_int64_t nanotime_sub(struct timespec *, struct timespec *);
441 static INLINE u_int64_t
442 nanotime_sub(struct timespec *b, struct timespec *a)
443 {
444 	u_int64_t elapsed;
445 	struct timespec x = *b;
446 	timespecsub(&x, a);
447 	elapsed = GET_NANOSEC(&x);
448 	if (elapsed == 0)
449 		elapsed++;
450 	return (elapsed);
451 }
452 
453 static INLINE char *strncat(char *, const char *, size_t);
454 static INLINE char *
455 strncat(char *d, const char *s, size_t c)
456 {
457         char *t = d;
458 
459         if (c) {
460                 while (*d)
461                         d++;
462                 while ((*d++ = *s++)) {
463                         if (--c == 0) {
464                                 *d = '\0';
465                                 break;
466                         }
467                 }
468         }
469         return (t);
470 }
471 
472 /*
473  * Common inline functions
474  */
475 
476 #include "isp_inline.h"
477 #endif	/* _ISP_FREEBSD_H */
478