xref: /freebsd/sys/dev/isp/isp_freebsd.h (revision f6c0136c7fb87ab8277221a306291e386fe944fb)
1 /* $FreeBSD$ */
2 /*-
3  * Qlogic ISP SCSI Host Adapter FreeBSD Wrapper Definitions
4  *
5  * Copyright (c) 1997-2006 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 #ifndef	_ISP_FREEBSD_H
30 #define	_ISP_FREEBSD_H
31 
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/endian.h>
35 #if __FreeBSD_version < 500000
36 #include <sys/kernel.h>
37 #include <sys/queue.h>
38 #include <sys/malloc.h>
39 #else
40 #include <sys/lock.h>
41 #include <sys/kernel.h>
42 #include <sys/queue.h>
43 #include <sys/malloc.h>
44 #include <sys/mutex.h>
45 #include <sys/condvar.h>
46 #endif
47 
48 #include <sys/proc.h>
49 #include <sys/bus.h>
50 
51 #include <machine/bus.h>
52 #if __FreeBSD_version < 500000
53 #include <machine/clock.h>
54 #endif
55 #include <machine/cpu.h>
56 
57 #include <cam/cam.h>
58 #include <cam/cam_debug.h>
59 #include <cam/cam_ccb.h>
60 #include <cam/cam_sim.h>
61 #include <cam/cam_xpt.h>
62 #include <cam/cam_xpt_sim.h>
63 #include <cam/cam_debug.h>
64 #include <cam/scsi/scsi_all.h>
65 #include <cam/scsi/scsi_message.h>
66 
67 #include "opt_ddb.h"
68 #include "opt_isp.h"
69 
70 #if __FreeBSD_version < 500000
71 #define	ISP_PLATFORM_VERSION_MAJOR	4
72 #define	ISP_PLATFORM_VERSION_MINOR	17
73 #else
74 #define	ISP_PLATFORM_VERSION_MAJOR	5
75 #define	ISP_PLATFORM_VERSION_MINOR	9
76 #endif
77 
78 /*
79  * Efficiency- get rid of SBus code && tests unless we need them.
80  */
81 #ifdef __sparc64__
82 #define	ISP_SBUS_SUPPORTED	1
83 #else
84 #define	ISP_SBUS_SUPPORTED	0
85 #endif
86 
87 #define	HANDLE_LOOPSTATE_IN_OUTER_LAYERS	1
88 /* #define	ISP_SMPLOCK			1 */
89 
90 #if __FreeBSD_version < 500000
91 #define	ISP_IFLAGS	INTR_TYPE_CAM
92 #else
93 #ifdef	ISP_SMPLOCK
94 #define	ISP_IFLAGS	INTR_TYPE_CAM | INTR_ENTROPY | INTR_MPSAFE
95 #else
96 #define	ISP_IFLAGS	INTR_TYPE_CAM | INTR_ENTROPY
97 #endif
98 #endif
99 
100 #if __FreeBSD_version < 700000
101 typedef void ispfwfunc(int, int, int, void **);
102 #endif
103 
104 #ifdef	ISP_TARGET_MODE
105 #define	ISP_TARGET_FUNCTIONS	1
106 #define	ATPDPSIZE	256
107 typedef struct {
108 	uint32_t	orig_datalen;
109 	uint32_t	bytes_xfered;
110 	uint32_t	last_xframt;
111 	uint32_t	tag	: 16,
112 			lun	: 13,	/* not enough */
113 			state	: 3;
114 } atio_private_data_t;
115 #define	ATPD_STATE_FREE			0
116 #define	ATPD_STATE_ATIO			1
117 #define	ATPD_STATE_CAM			2
118 #define	ATPD_STATE_CTIO			3
119 #define	ATPD_STATE_LAST_CTIO		4
120 #define	ATPD_STATE_PDON			5
121 
122 typedef struct tstate {
123 	struct tstate *next;
124 	struct cam_path *owner;
125 	struct ccb_hdr_slist atios;
126 	struct ccb_hdr_slist inots;
127 	lun_id_t lun;
128 	int bus;
129 	uint32_t hold;
130 	int atio_count;
131 	int inot_count;
132 } tstate_t;
133 
134 #define	LUN_HASH_SIZE			32
135 #define	LUN_HASH_FUNC(isp, port, lun)					\
136 	((IS_DUALBUS(isp)) ?						\
137 		(((lun) & ((LUN_HASH_SIZE >> 1) - 1)) << (port)) :	\
138 		((lun) & (LUN_HASH_SIZE - 1)))
139 #endif
140 
141 struct isposinfo {
142 	struct ispsoftc *	next;
143 	bus_space_tag_t		bus_tag;
144 	bus_space_handle_t	bus_handle;
145 	uint64_t		default_port_wwn;
146 	uint64_t		default_node_wwn;
147 	uint32_t		default_id;
148 	device_t		dev;
149 	struct cam_sim		*sim;
150 	struct cam_path		*path;
151 	struct cam_sim		*sim2;
152 	struct cam_path		*path2;
153 	struct intr_config_hook	ehook;
154 	uint32_t		loop_down_time;
155 	uint32_t		loop_down_limit;
156 	uint32_t		gone_device_time;
157 	uint32_t		: 5,
158 		simqfrozen	: 3,
159 		hysteresis	: 8,
160 		gdt_running	: 1,
161 		ldt_running	: 1,
162 		disabled	: 1,
163 		fcbsy		: 1,
164 		mbox_sleeping	: 1,
165 		mbox_sleep_ok	: 1,
166 		mboxcmd_done	: 1,
167 		mboxbsy		: 1;
168 	struct callout_handle 	ldt;	/* loop down timer */
169 	struct callout_handle	gdt;	/* gone device timer */
170 #if __FreeBSD_version >= 500000
171 	const struct firmware *	fw;
172 	struct mtx		lock;
173 	struct cv		kthread_cv;
174 	union {
175 		struct {
176 			char wwnn[17];
177 			char wwpn[17];
178 		} fc;
179 	} sysctl_info;
180 #endif
181 	struct proc		*kproc;
182 	bus_dma_tag_t		cdmat;
183 	bus_dmamap_t		cdmap;
184 #define	isp_cdmat		isp_osinfo.cdmat
185 #define	isp_cdmap		isp_osinfo.cdmap
186 #ifdef	ISP_TARGET_MODE
187 #define	TM_WILDCARD_ENABLED	0x02
188 #define	TM_TMODE_ENABLED	0x01
189 	uint8_t			tmflags[2];	/* two busses */
190 #define	NLEACT	4
191 	union ccb *		leact[NLEACT];
192 	tstate_t		tsdflt[2];	/* two busses */
193 	tstate_t		*lun_hash[LUN_HASH_SIZE];
194 	atio_private_data_t	atpdp[ATPDPSIZE];
195 #endif
196 };
197 
198 #define	isp_lock	isp_osinfo.lock
199 #define	isp_bus_tag	isp_osinfo.bus_tag
200 #define	isp_bus_handle	isp_osinfo.bus_handle
201 
202 /*
203  * Locking macros...
204  */
205 
206 #ifdef	ISP_SMPLOCK
207 #define	ISP_LOCK(x)		mtx_lock(&(x)->isp_lock)
208 #define	ISP_UNLOCK(x)		mtx_unlock(&(x)->isp_lock)
209 #define	ISPLOCK_2_CAMLOCK(isp)	\
210 	mtx_unlock(&(isp)->isp_lock); mtx_lock(&Giant)
211 #define	CAMLOCK_2_ISPLOCK(isp)	\
212 	mtx_unlock(&Giant); mtx_lock(&(isp)->isp_lock)
213 #else
214 #if __FreeBSD_version < 500000
215 #define	ISP_LOCK(x)		do { } while (0)
216 #define	ISP_UNLOCK(x)		do { } while (0)
217 #define	ISPLOCK_2_CAMLOCK(isp)	do { } while (0)
218 #define	CAMLOCK_2_ISPLOCK(isp)	do { } while (0)
219 #else
220 #define	ISP_LOCK(x)		GIANT_REQUIRED
221 #define	ISP_UNLOCK(x)		do { } while (0)
222 #define	ISPLOCK_2_CAMLOCK(isp)	do { } while (0)
223 #define	CAMLOCK_2_ISPLOCK(isp)	GIANT_REQUIRED
224 #endif
225 #endif
226 
227 /*
228  * Required Macros/Defines
229  */
230 
231 #define	ISP2100_SCRLEN		0x1000
232 
233 #define	MEMZERO(a, b)		memset(a, 0, b)
234 #define	MEMCPY			memcpy
235 #define	SNPRINTF		snprintf
236 #define	USEC_DELAY		DELAY
237 #define	USEC_SLEEP(isp, x)	DELAY(x)
238 
239 #define	NANOTIME_T		struct timespec
240 #define	GET_NANOTIME		nanotime
241 #define	GET_NANOSEC(x)		((x)->tv_sec * 1000000000 + (x)->tv_nsec)
242 #define	NANOTIME_SUB		isp_nanotime_sub
243 
244 #define	MAXISPREQUEST(isp)	((IS_FC(isp) || IS_ULTRA2(isp))? 1024 : 256)
245 
246 #define	MEMORYBARRIER(isp, type, offset, size)			\
247 switch (type) {							\
248 case SYNC_SFORDEV:						\
249 case SYNC_REQUEST:						\
250 	bus_dmamap_sync(isp->isp_cdmat, isp->isp_cdmap, 	\
251 	   BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);		\
252 	break;							\
253 case SYNC_SFORCPU:						\
254 case SYNC_RESULT:						\
255 	bus_dmamap_sync(isp->isp_cdmat, isp->isp_cdmap,		\
256 	   BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);	\
257 	break;							\
258 case SYNC_REG:							\
259 	bus_space_barrier(isp->isp_bus_tag,			\
260 	    isp->isp_bus_handle, offset, size, 			\
261 	    BUS_SPACE_BARRIER_READ);				\
262 	break;							\
263 default:							\
264 	break;							\
265 }
266 
267 #define	MBOX_ACQUIRE			isp_mbox_acquire
268 #define	MBOX_WAIT_COMPLETE		isp_mbox_wait_complete
269 #define	MBOX_NOTIFY_COMPLETE		isp_mbox_notify_done
270 #define	MBOX_RELEASE			isp_mbox_release
271 
272 #define	FC_SCRATCH_ACQUIRE(isp)						\
273 	if (isp->isp_osinfo.fcbsy) {					\
274 		isp_prt(isp, ISP_LOGWARN,				\
275 		    "FC scratch area busy (line %d)!", __LINE__);	\
276 	} else								\
277 		isp->isp_osinfo.fcbsy = 1
278 #define	FC_SCRATCH_RELEASE(isp)		 isp->isp_osinfo.fcbsy = 0
279 
280 #ifndef	SCSI_GOOD
281 #define	SCSI_GOOD	SCSI_STATUS_OK
282 #endif
283 #ifndef	SCSI_CHECK
284 #define	SCSI_CHECK	SCSI_STATUS_CHECK_COND
285 #endif
286 #ifndef	SCSI_BUSY
287 #define	SCSI_BUSY	SCSI_STATUS_BUSY
288 #endif
289 #ifndef	SCSI_QFULL
290 #define	SCSI_QFULL	SCSI_STATUS_QUEUE_FULL
291 #endif
292 
293 #define	XS_T			struct ccb_scsiio
294 #define	XS_DMA_ADDR_T		bus_addr_t
295 #define	XS_ISP(ccb)		((ispsoftc_t *) (ccb)->ccb_h.spriv_ptr1)
296 #define	XS_CHANNEL(ccb)		cam_sim_bus(xpt_path_sim((ccb)->ccb_h.path))
297 #define	XS_TGT(ccb)		(ccb)->ccb_h.target_id
298 #define	XS_LUN(ccb)		(ccb)->ccb_h.target_lun
299 
300 #define	XS_CDBP(ccb)	\
301 	(((ccb)->ccb_h.flags & CAM_CDB_POINTER)? \
302 	 (ccb)->cdb_io.cdb_ptr : (ccb)->cdb_io.cdb_bytes)
303 
304 #define	XS_CDBLEN(ccb)		(ccb)->cdb_len
305 #define	XS_XFRLEN(ccb)		(ccb)->dxfer_len
306 #define	XS_TIME(ccb)		(ccb)->ccb_h.timeout
307 #define	XS_RESID(ccb)		(ccb)->resid
308 #define	XS_STSP(ccb)		(&(ccb)->scsi_status)
309 #define	XS_SNSP(ccb)		(&(ccb)->sense_data)
310 
311 #define	XS_SNSLEN(ccb)		\
312 	imin((sizeof((ccb)->sense_data)), ccb->sense_len)
313 
314 #define	XS_SNSKEY(ccb)		((ccb)->sense_data.flags & 0xf)
315 #define	XS_TAG_P(ccb)	\
316 	(((ccb)->ccb_h.flags & CAM_TAG_ACTION_VALID) && \
317 	 (ccb)->tag_action != CAM_TAG_ACTION_NONE)
318 
319 #define	XS_TAG_TYPE(ccb)	\
320 	((ccb->tag_action == MSG_SIMPLE_Q_TAG)? REQFLAG_STAG : \
321 	 ((ccb->tag_action == MSG_HEAD_OF_Q_TAG)? REQFLAG_HTAG : REQFLAG_OTAG))
322 
323 
324 #define	XS_SETERR(ccb, v)	(ccb)->ccb_h.status &= ~CAM_STATUS_MASK, \
325 				(ccb)->ccb_h.status |= v, \
326 				(ccb)->ccb_h.spriv_field0 |= ISP_SPRIV_ERRSET
327 
328 #	define	HBA_NOERROR		CAM_REQ_INPROG
329 #	define	HBA_BOTCH		CAM_UNREC_HBA_ERROR
330 #	define	HBA_CMDTIMEOUT		CAM_CMD_TIMEOUT
331 #	define	HBA_SELTIMEOUT		CAM_SEL_TIMEOUT
332 #	define	HBA_TGTBSY		CAM_SCSI_STATUS_ERROR
333 #	define	HBA_BUSRESET		CAM_SCSI_BUS_RESET
334 #	define	HBA_ABORTED		CAM_REQ_ABORTED
335 #	define	HBA_DATAOVR		CAM_DATA_RUN_ERR
336 #	define	HBA_ARQFAIL		CAM_AUTOSENSE_FAIL
337 
338 
339 #define	XS_ERR(ccb)		((ccb)->ccb_h.status & CAM_STATUS_MASK)
340 
341 #define	XS_NOERR(ccb)		\
342 	(((ccb)->ccb_h.spriv_field0 & ISP_SPRIV_ERRSET) == 0 || \
343 	 ((ccb)->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG)
344 
345 #define	XS_INITERR(ccb)		\
346 	XS_SETERR(ccb, CAM_REQ_INPROG), (ccb)->ccb_h.spriv_field0 = 0
347 
348 #define	XS_SAVE_SENSE(xs, sense_ptr, sense_len)		\
349 	(xs)->ccb_h.status |= CAM_AUTOSNS_VALID;	\
350 	memcpy(&(xs)->sense_data, sense_ptr, imin(XS_SNSLEN(xs), sense_len))
351 
352 #define	XS_SET_STATE_STAT(a, b, c)
353 
354 #define	DEFAULT_IID(x)		(isp)->isp_osinfo.default_id
355 #define	DEFAULT_LOOPID(x)	(isp)->isp_osinfo.default_id
356 #define	DEFAULT_NODEWWN(isp)	(isp)->isp_osinfo.default_node_wwn
357 #define	DEFAULT_PORTWWN(isp)	(isp)->isp_osinfo.default_port_wwn
358 #define	ISP_NODEWWN(isp)	FCPARAM(isp)->isp_wwnn_nvram
359 #define	ISP_PORTWWN(isp)	FCPARAM(isp)->isp_wwpn_nvram
360 
361 
362 #if __FreeBSD_version < 500000
363 #if _BYTE_ORDER == _LITTLE_ENDIAN
364 #define	bswap16		htobe16
365 #define	bswap32		htobe32
366 #else
367 #define	bswap16		htole16
368 #define	bswap32		htole32
369 #endif
370 #endif
371 
372 #if	BYTE_ORDER == BIG_ENDIAN
373 #ifdef	ISP_SBUS_SUPPORTED
374 #define	ISP_IOXPUT_8(isp, s, d)		*(d) = s
375 #define	ISP_IOXPUT_16(isp, s, d)				\
376 	*(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : bswap16(s)
377 #define	ISP_IOXPUT_32(isp, s, d)				\
378 	*(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : bswap32(s)
379 #define	ISP_IOXGET_8(isp, s, d)		d = (*((uint8_t *)s))
380 #define	ISP_IOXGET_16(isp, s, d)				\
381 	d = (isp->isp_bustype == ISP_BT_SBUS)?			\
382 	*((uint16_t *)s) : bswap16(*((uint16_t *)s))
383 #define	ISP_IOXGET_32(isp, s, d)				\
384 	d = (isp->isp_bustype == ISP_BT_SBUS)?			\
385 	*((uint32_t *)s) : bswap32(*((uint32_t *)s))
386 
387 #else	/* ISP_SBUS_SUPPORTED */
388 #define	ISP_IOXPUT_8(isp, s, d)		*(d) = s
389 #define	ISP_IOXPUT_16(isp, s, d)	*(d) = bswap16(s)
390 #define	ISP_IOXPUT_32(isp, s, d)	*(d) = bswap32(s)
391 #define	ISP_IOXGET_8(isp, s, d)		d = (*((uint8_t *)s))
392 #define	ISP_IOXGET_16(isp, s, d)	d = bswap16(*((uint16_t *)s))
393 #define	ISP_IOXGET_32(isp, s, d)	d = bswap32(*((uint32_t *)s))
394 #endif
395 #define	ISP_SWIZZLE_NVRAM_WORD(isp, rp)	*rp = bswap16(*rp)
396 
397 #define	ISP_IOZGET_8(isp, s, d)		d = (*((uint8_t *)s))
398 #define	ISP_IOZGET_16(isp, s, d)	d = (*((uint16_t *)s))
399 #define	ISP_IOZGET_32(isp, s, d)	d = (*((uint32_t *)s))
400 #define	ISP_IOZPUT_8(isp, s, d)		*(d) = s
401 #define	ISP_IOZPUT_16(isp, s, d)	*(d) = s
402 #define	ISP_IOZPUT_32(isp, s, d)	*(d) = s
403 
404 
405 #else
406 #define	ISP_IOXPUT_8(isp, s, d)		*(d) = s
407 #define	ISP_IOXPUT_16(isp, s, d)	*(d) = s
408 #define	ISP_IOXPUT_32(isp, s, d)	*(d) = s
409 #define	ISP_IOXGET_8(isp, s, d)		d = *(s)
410 #define	ISP_IOXGET_16(isp, s, d)	d = *(s)
411 #define	ISP_IOXGET_32(isp, s, d)	d = *(s)
412 #define	ISP_SWIZZLE_NVRAM_WORD(isp, rp)
413 
414 #define	ISP_IOZPUT_8(isp, s, d)		*(d) = s
415 #define	ISP_IOZPUT_16(isp, s, d)	*(d) = bswap16(s)
416 #define	ISP_IOZPUT_32(isp, s, d)	*(d) = bswap32(s)
417 
418 #define	ISP_IOZGET_8(isp, s, d)		d = (*((uint8_t *)(s)))
419 #define	ISP_IOZGET_16(isp, s, d)	d = bswap16(*((uint16_t *)(s)))
420 #define	ISP_IOZGET_32(isp, s, d)	d = bswap32(*((uint32_t *)(s)))
421 
422 #endif
423 
424 /*
425  * Includes of common header files
426  */
427 
428 #include <dev/isp/ispreg.h>
429 #include <dev/isp/ispvar.h>
430 #include <dev/isp/ispmbox.h>
431 
432 #ifdef	ISP_TARGET_MODE
433 #include <dev/isp/isp_tpublic.h>
434 #endif
435 
436 /*
437  * isp_osinfo definiitions && shorthand
438  */
439 #define	SIMQFRZ_RESOURCE	0x1
440 #define	SIMQFRZ_LOOPDOWN	0x2
441 #define	SIMQFRZ_TIMED		0x4
442 
443 #define	isp_sim		isp_osinfo.sim
444 #define	isp_path	isp_osinfo.path
445 #define	isp_sim2	isp_osinfo.sim2
446 #define	isp_path2	isp_osinfo.path2
447 #define	isp_dev		isp_osinfo.dev
448 
449 /*
450  * prototypes for isp_pci && isp_freebsd to share
451  */
452 extern void isp_attach(ispsoftc_t *);
453 extern void isp_uninit(ispsoftc_t *);
454 
455 /*
456  * driver global data
457  */
458 extern int isp_announced;
459 extern int isp_fabric_hysteresis;
460 extern int isp_loop_down_limit;
461 extern int isp_gone_device_time;
462 extern int isp_quickboot_time;
463 
464 /*
465  * Platform private flags
466  */
467 #define	ISP_SPRIV_ERRSET	0x1
468 #define	ISP_SPRIV_INWDOG	0x2
469 #define	ISP_SPRIV_GRACE		0x4
470 #define	ISP_SPRIV_DONE		0x8
471 
472 #define	XS_CMD_S_WDOG(sccb)	(sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_INWDOG
473 #define	XS_CMD_C_WDOG(sccb)	(sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_INWDOG
474 #define	XS_CMD_WDOG_P(sccb)	((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_INWDOG)
475 
476 #define	XS_CMD_S_GRACE(sccb)	(sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_GRACE
477 #define	XS_CMD_C_GRACE(sccb)	(sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_GRACE
478 #define	XS_CMD_GRACE_P(sccb)	((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_GRACE)
479 
480 #define	XS_CMD_S_DONE(sccb)	(sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_DONE
481 #define	XS_CMD_C_DONE(sccb)	(sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_DONE
482 #define	XS_CMD_DONE_P(sccb)	((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_DONE)
483 
484 #define	XS_CMD_S_CLEAR(sccb)	(sccb)->ccb_h.spriv_field0 = 0
485 
486 /*
487  * Platform Library Functions
488  */
489 void isp_prt(ispsoftc_t *, int level, const char *, ...) __printflike(3, 4);
490 uint64_t isp_nanotime_sub(struct timespec *, struct timespec *);
491 int isp_mbox_acquire(ispsoftc_t *);
492 void isp_mbox_wait_complete(ispsoftc_t *, mbreg_t *);
493 void isp_mbox_notify_done(ispsoftc_t *);
494 void isp_mbox_release(ispsoftc_t *);
495 int isp_mstohz(int);
496 
497 /*
498  * Platform specific defines
499  */
500 #if __FreeBSD_version < 500000
501 #define	BUS_DMA_ROOTARG(x)	NULL
502 #define	isp_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, z)	\
503 	bus_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, z)
504 #elif	__FreeBSD_version < 700020
505 #define	BUS_DMA_ROOTARG(x)	NULL
506 #define	isp_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, z)	\
507 	bus_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, \
508 	busdma_lock_mutex, &Giant, z)
509 #else
510 #define	BUS_DMA_ROOTARG(x)	bus_get_dma_tag(x)
511 #define	isp_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, z)	\
512 	bus_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, \
513 	busdma_lock_mutex, &Giant, z)
514 #endif
515 #if __FreeBSD_version < 700031
516 #define	isp_setup_intr(d, i, f, U, if, ifa, hp)	\
517 	bus_setup_intr(d, i, f, if, ifa, hp)
518 #else
519 #define	isp_setup_intr	bus_setup_intr
520 #endif
521 
522 /* Should be BUS_SPACE_MAXSIZE, but MAXPHYS is larger than BUS_SPACE_MAXSIZE */
523 #define ISP_NSEGS ((MAXPHYS / PAGE_SIZE) + 1)
524 
525 /*
526  * Platform specific inline functions
527  */
528 
529 /*
530  * ISP General Library functions
531  */
532 
533 #include <dev/isp/isp_library.h>
534 
535 #endif	/* _ISP_FREEBSD_H */
536