isp_freebsd.h revision 169292
1/* $FreeBSD: head/sys/dev/isp/isp_freebsd.h 169292 2007-05-05 20:17:23Z mjacob $ */
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
88#if __FreeBSD_version < 500000
89#define	ISP_IFLAGS	INTR_TYPE_CAM
90#elif __FreeBSD_version < 700037
91#define	ISP_IFLAGS	INTR_TYPE_CAM | INTR_ENTROPY
92#else
93#define	ISP_IFLAGS	INTR_TYPE_CAM | INTR_ENTROPY | INTR_MPSAFE
94#endif
95
96#if __FreeBSD_version < 700000
97typedef void ispfwfunc(int, int, int, const void **);
98#endif
99
100#ifdef	ISP_TARGET_MODE
101#define	ISP_TARGET_FUNCTIONS	1
102#define	ATPDPSIZE	256
103typedef struct {
104	uint32_t	orig_datalen;
105	uint32_t	bytes_xfered;
106	uint32_t	last_xframt;
107	uint32_t	tag	: 16,
108			lun	: 13,	/* not enough */
109			state	: 3;
110} atio_private_data_t;
111#define	ATPD_STATE_FREE			0
112#define	ATPD_STATE_ATIO			1
113#define	ATPD_STATE_CAM			2
114#define	ATPD_STATE_CTIO			3
115#define	ATPD_STATE_LAST_CTIO		4
116#define	ATPD_STATE_PDON			5
117
118typedef struct tstate {
119	struct tstate *next;
120	struct cam_path *owner;
121	struct ccb_hdr_slist atios;
122	struct ccb_hdr_slist inots;
123	lun_id_t lun;
124	int bus;
125	uint32_t hold;
126	int atio_count;
127	int inot_count;
128} tstate_t;
129
130#define	LUN_HASH_SIZE			32
131#define	LUN_HASH_FUNC(isp, port, lun)					\
132	((IS_DUALBUS(isp)) ?						\
133		(((lun) & ((LUN_HASH_SIZE >> 1) - 1)) << (port)) :	\
134		((lun) & (LUN_HASH_SIZE - 1)))
135#endif
136
137/*
138 * Per command info.
139 */
140struct isp_pcmd {
141	struct isp_pcmd *	next;
142	bus_dmamap_t 		dmap;	/* dma map for this command */
143	struct ispsoftc *	isp;	/* containing isp */
144	struct callout		wdog;	/* watchdog timer */
145};
146#define	ISP_PCMD(ccb)		(ccb)->ccb_h.spriv_ptr1
147#define	PISP_PCMD(ccb)		((struct isp_pcmd *)ISP_PCMD(ccb))
148
149struct isposinfo {
150	struct ispsoftc *	next;
151	bus_space_tag_t		bus_tag;
152	bus_space_handle_t	bus_handle;
153	bus_dma_tag_t		dmat;
154	uint64_t		default_port_wwn;
155	uint64_t		default_node_wwn;
156	uint32_t		default_id;
157	device_t		dev;
158	struct cam_sim		*sim;
159	struct cam_path		*path;
160	struct cam_sim		*sim2;
161	struct cam_path		*path2;
162	struct intr_config_hook	ehook;
163	uint32_t		loop_down_time;
164	uint32_t		loop_down_limit;
165	uint32_t		gone_device_time;
166	uint32_t		: 5,
167		simqfrozen	: 3,
168		hysteresis	: 8,
169		gdt_running	: 1,
170		ldt_running	: 1,
171		disabled	: 1,
172		fcbsy		: 1,
173		mbox_sleeping	: 1,
174		mbox_sleep_ok	: 1,
175		mboxcmd_done	: 1,
176		mboxbsy		: 1;
177	struct callout		ldt;	/* loop down timer */
178	struct callout		gdt;	/* gone device timer */
179#if __FreeBSD_version < 500000
180	uint32_t		splcount;
181	uint32_t		splsaved;
182#else
183	struct mtx		lock;
184	const struct firmware *	fw;
185	union {
186		struct {
187			char wwnn[17];
188			char wwpn[17];
189		} fc;
190	} sysctl_info;
191#endif
192	struct proc		*kproc;
193	bus_dma_tag_t		cdmat;
194	bus_dmamap_t		cdmap;
195#define	isp_cdmat		isp_osinfo.cdmat
196#define	isp_cdmap		isp_osinfo.cdmap
197	/*
198	 * Per command information.
199	 */
200	struct isp_pcmd *	pcmd_pool;
201	struct isp_pcmd *	pcmd_free;
202
203#ifdef	ISP_TARGET_MODE
204#define	TM_WILDCARD_ENABLED	0x02
205#define	TM_TMODE_ENABLED	0x01
206	uint8_t			tmflags[2];	/* two busses */
207#define	NLEACT	4
208	union ccb *		leact[NLEACT];
209	tstate_t		tsdflt[2];	/* two busses */
210	tstate_t		*lun_hash[LUN_HASH_SIZE];
211	atio_private_data_t	atpdp[ATPDPSIZE];
212#endif
213};
214#define	ISP_KT_WCHAN(isp)	(&(isp)->isp_osinfo.kproc)
215
216#define	isp_lock	isp_osinfo.lock
217#define	isp_bus_tag	isp_osinfo.bus_tag
218#define	isp_bus_handle	isp_osinfo.bus_handle
219
220/*
221 * Locking macros...
222 */
223#if __FreeBSD_version < 500000
224#define	ISP_LOCK(isp)						\
225	if (isp->isp_osinfo.splcount++ == 0) {			\
226		 isp->isp_osinfo.splsaved = splcam();		\
227	}
228#define	ISP_UNLOCK(isp)						\
229	if (isp->isp_osinfo.splcount > 1) {			\
230		isp->isp_osinfo.splcount--;			\
231	} else {						\
232		isp->isp_osinfo.splcount = 0;			\
233		splx(isp->isp_osinfo.splsaved);			\
234	}
235#elif	__FreeBSD_version < 700037
236#define	ISP_LOCK(isp)	do {} while (0)
237#define	ISP_UNLOCK(isp)	do {} while (0)
238#else
239#define	ISP_LOCK(isp)	mtx_lock(&isp->isp_osinfo.lock)
240#define	ISP_UNLOCK(isp)	mtx_unlock(&isp->isp_osinfo.lock)
241#endif
242
243/*
244 * Required Macros/Defines
245 */
246
247#define	ISP2100_SCRLEN		0x1000
248
249#define	MEMZERO(a, b)		memset(a, 0, b)
250#define	MEMCPY			memcpy
251#define	SNPRINTF		snprintf
252#define	USEC_DELAY		DELAY
253#define	USEC_SLEEP(isp, x)	DELAY(x)
254
255#define	NANOTIME_T		struct timespec
256#define	GET_NANOTIME		nanotime
257#define	GET_NANOSEC(x)		((x)->tv_sec * 1000000000 + (x)->tv_nsec)
258#define	NANOTIME_SUB		isp_nanotime_sub
259
260#define	MAXISPREQUEST(isp)	((IS_FC(isp) || IS_ULTRA2(isp))? 1024 : 256)
261
262#define	MEMORYBARRIER(isp, type, offset, size)			\
263switch (type) {							\
264case SYNC_SFORDEV:						\
265case SYNC_REQUEST:						\
266	bus_dmamap_sync(isp->isp_cdmat, isp->isp_cdmap, 	\
267	   BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);		\
268	break;							\
269case SYNC_SFORCPU:						\
270case SYNC_RESULT:						\
271	bus_dmamap_sync(isp->isp_cdmat, isp->isp_cdmap,		\
272	   BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);	\
273	break;							\
274case SYNC_REG:							\
275	bus_space_barrier(isp->isp_bus_tag,			\
276	    isp->isp_bus_handle, offset, size, 			\
277	    BUS_SPACE_BARRIER_READ);				\
278	break;							\
279default:							\
280	break;							\
281}
282
283#define	MBOX_ACQUIRE			isp_mbox_acquire
284#define	MBOX_WAIT_COMPLETE		isp_mbox_wait_complete
285#define	MBOX_NOTIFY_COMPLETE		isp_mbox_notify_done
286#define	MBOX_RELEASE			isp_mbox_release
287
288#define	FC_SCRATCH_ACQUIRE(isp)						\
289	if (isp->isp_osinfo.fcbsy) {					\
290		isp_prt(isp, ISP_LOGWARN,				\
291		    "FC scratch area busy (line %d)!", __LINE__);	\
292	} else								\
293		isp->isp_osinfo.fcbsy = 1
294#define	FC_SCRATCH_RELEASE(isp)		 isp->isp_osinfo.fcbsy = 0
295
296#ifndef	SCSI_GOOD
297#define	SCSI_GOOD	SCSI_STATUS_OK
298#endif
299#ifndef	SCSI_CHECK
300#define	SCSI_CHECK	SCSI_STATUS_CHECK_COND
301#endif
302#ifndef	SCSI_BUSY
303#define	SCSI_BUSY	SCSI_STATUS_BUSY
304#endif
305#ifndef	SCSI_QFULL
306#define	SCSI_QFULL	SCSI_STATUS_QUEUE_FULL
307#endif
308
309#define	XS_T			struct ccb_scsiio
310#define	XS_DMA_ADDR_T		bus_addr_t
311#define	XS_ISP(ccb)		cam_sim_softc(xpt_path_sim((ccb)->ccb_h.path))
312#define	XS_CHANNEL(ccb)		cam_sim_bus(xpt_path_sim((ccb)->ccb_h.path))
313#define	XS_TGT(ccb)		(ccb)->ccb_h.target_id
314#define	XS_LUN(ccb)		(ccb)->ccb_h.target_lun
315
316#define	XS_CDBP(ccb)	\
317	(((ccb)->ccb_h.flags & CAM_CDB_POINTER)? \
318	 (ccb)->cdb_io.cdb_ptr : (ccb)->cdb_io.cdb_bytes)
319
320#define	XS_CDBLEN(ccb)		(ccb)->cdb_len
321#define	XS_XFRLEN(ccb)		(ccb)->dxfer_len
322#define	XS_TIME(ccb)		(ccb)->ccb_h.timeout
323#define	XS_RESID(ccb)		(ccb)->resid
324#define	XS_STSP(ccb)		(&(ccb)->scsi_status)
325#define	XS_SNSP(ccb)		(&(ccb)->sense_data)
326
327#define	XS_SNSLEN(ccb)		\
328	imin((sizeof((ccb)->sense_data)), ccb->sense_len)
329
330#define	XS_SNSKEY(ccb)		((ccb)->sense_data.flags & 0xf)
331#define	XS_TAG_P(ccb)	\
332	(((ccb)->ccb_h.flags & CAM_TAG_ACTION_VALID) && \
333	 (ccb)->tag_action != CAM_TAG_ACTION_NONE)
334
335#define	XS_TAG_TYPE(ccb)	\
336	((ccb->tag_action == MSG_SIMPLE_Q_TAG)? REQFLAG_STAG : \
337	 ((ccb->tag_action == MSG_HEAD_OF_Q_TAG)? REQFLAG_HTAG : REQFLAG_OTAG))
338
339
340#define	XS_SETERR(ccb, v)	(ccb)->ccb_h.status &= ~CAM_STATUS_MASK, \
341				(ccb)->ccb_h.status |= v, \
342				(ccb)->ccb_h.spriv_field0 |= ISP_SPRIV_ERRSET
343
344#	define	HBA_NOERROR		CAM_REQ_INPROG
345#	define	HBA_BOTCH		CAM_UNREC_HBA_ERROR
346#	define	HBA_CMDTIMEOUT		CAM_CMD_TIMEOUT
347#	define	HBA_SELTIMEOUT		CAM_SEL_TIMEOUT
348#	define	HBA_TGTBSY		CAM_SCSI_STATUS_ERROR
349#	define	HBA_BUSRESET		CAM_SCSI_BUS_RESET
350#	define	HBA_ABORTED		CAM_REQ_ABORTED
351#	define	HBA_DATAOVR		CAM_DATA_RUN_ERR
352#	define	HBA_ARQFAIL		CAM_AUTOSENSE_FAIL
353
354
355#define	XS_ERR(ccb)		((ccb)->ccb_h.status & CAM_STATUS_MASK)
356
357#define	XS_NOERR(ccb)		\
358	(((ccb)->ccb_h.spriv_field0 & ISP_SPRIV_ERRSET) == 0 || \
359	 ((ccb)->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG)
360
361#define	XS_INITERR(ccb)		\
362	XS_SETERR(ccb, CAM_REQ_INPROG), (ccb)->ccb_h.spriv_field0 = 0
363
364#define	XS_SAVE_SENSE(xs, sense_ptr, sense_len)		\
365	(xs)->ccb_h.status |= CAM_AUTOSNS_VALID;	\
366	memcpy(&(xs)->sense_data, sense_ptr, imin(XS_SNSLEN(xs), sense_len))
367
368#define	XS_SET_STATE_STAT(a, b, c)
369
370#define	DEFAULT_IID(x)		(isp)->isp_osinfo.default_id
371#define	DEFAULT_LOOPID(x)	(isp)->isp_osinfo.default_id
372#define	DEFAULT_NODEWWN(isp)	(isp)->isp_osinfo.default_node_wwn
373#define	DEFAULT_PORTWWN(isp)	(isp)->isp_osinfo.default_port_wwn
374#define	ISP_NODEWWN(isp)	FCPARAM(isp)->isp_wwnn_nvram
375#define	ISP_PORTWWN(isp)	FCPARAM(isp)->isp_wwpn_nvram
376
377
378#if __FreeBSD_version < 500000
379#if _BYTE_ORDER == _LITTLE_ENDIAN
380#define	bswap16		htobe16
381#define	bswap32		htobe32
382#else
383#define	bswap16		htole16
384#define	bswap32		htole32
385#endif
386#endif
387
388#if	BYTE_ORDER == BIG_ENDIAN
389#ifdef	ISP_SBUS_SUPPORTED
390#define	ISP_IOXPUT_8(isp, s, d)		*(d) = s
391#define	ISP_IOXPUT_16(isp, s, d)				\
392	*(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : bswap16(s)
393#define	ISP_IOXPUT_32(isp, s, d)				\
394	*(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : bswap32(s)
395#define	ISP_IOXGET_8(isp, s, d)		d = (*((uint8_t *)s))
396#define	ISP_IOXGET_16(isp, s, d)				\
397	d = (isp->isp_bustype == ISP_BT_SBUS)?			\
398	*((uint16_t *)s) : bswap16(*((uint16_t *)s))
399#define	ISP_IOXGET_32(isp, s, d)				\
400	d = (isp->isp_bustype == ISP_BT_SBUS)?			\
401	*((uint32_t *)s) : bswap32(*((uint32_t *)s))
402
403#else	/* ISP_SBUS_SUPPORTED */
404#define	ISP_IOXPUT_8(isp, s, d)		*(d) = s
405#define	ISP_IOXPUT_16(isp, s, d)	*(d) = bswap16(s)
406#define	ISP_IOXPUT_32(isp, s, d)	*(d) = bswap32(s)
407#define	ISP_IOXGET_8(isp, s, d)		d = (*((uint8_t *)s))
408#define	ISP_IOXGET_16(isp, s, d)	d = bswap16(*((uint16_t *)s))
409#define	ISP_IOXGET_32(isp, s, d)	d = bswap32(*((uint32_t *)s))
410#endif
411#define	ISP_SWIZZLE_NVRAM_WORD(isp, rp)	*rp = bswap16(*rp)
412
413#define	ISP_IOZGET_8(isp, s, d)		d = (*((uint8_t *)s))
414#define	ISP_IOZGET_16(isp, s, d)	d = (*((uint16_t *)s))
415#define	ISP_IOZGET_32(isp, s, d)	d = (*((uint32_t *)s))
416#define	ISP_IOZPUT_8(isp, s, d)		*(d) = s
417#define	ISP_IOZPUT_16(isp, s, d)	*(d) = s
418#define	ISP_IOZPUT_32(isp, s, d)	*(d) = s
419
420
421#else
422#define	ISP_IOXPUT_8(isp, s, d)		*(d) = s
423#define	ISP_IOXPUT_16(isp, s, d)	*(d) = s
424#define	ISP_IOXPUT_32(isp, s, d)	*(d) = s
425#define	ISP_IOXGET_8(isp, s, d)		d = *(s)
426#define	ISP_IOXGET_16(isp, s, d)	d = *(s)
427#define	ISP_IOXGET_32(isp, s, d)	d = *(s)
428#define	ISP_SWIZZLE_NVRAM_WORD(isp, rp)
429
430#define	ISP_IOZPUT_8(isp, s, d)		*(d) = s
431#define	ISP_IOZPUT_16(isp, s, d)	*(d) = bswap16(s)
432#define	ISP_IOZPUT_32(isp, s, d)	*(d) = bswap32(s)
433
434#define	ISP_IOZGET_8(isp, s, d)		d = (*((uint8_t *)(s)))
435#define	ISP_IOZGET_16(isp, s, d)	d = bswap16(*((uint16_t *)(s)))
436#define	ISP_IOZGET_32(isp, s, d)	d = bswap32(*((uint32_t *)(s)))
437
438#endif
439
440/*
441 * Includes of common header files
442 */
443
444#include <dev/isp/ispreg.h>
445#include <dev/isp/ispvar.h>
446#include <dev/isp/ispmbox.h>
447
448#ifdef	ISP_TARGET_MODE
449#include <dev/isp/isp_tpublic.h>
450#endif
451
452/*
453 * isp_osinfo definiitions && shorthand
454 */
455#define	SIMQFRZ_RESOURCE	0x1
456#define	SIMQFRZ_LOOPDOWN	0x2
457#define	SIMQFRZ_TIMED		0x4
458
459#define	isp_sim		isp_osinfo.sim
460#define	isp_path	isp_osinfo.path
461#define	isp_sim2	isp_osinfo.sim2
462#define	isp_path2	isp_osinfo.path2
463#define	isp_dev		isp_osinfo.dev
464
465/*
466 * prototypes for isp_pci && isp_freebsd to share
467 */
468extern void isp_attach(ispsoftc_t *);
469extern void isp_uninit(ispsoftc_t *);
470
471/*
472 * driver global data
473 */
474extern int isp_announced;
475extern int isp_fabric_hysteresis;
476extern int isp_loop_down_limit;
477extern int isp_gone_device_time;
478extern int isp_quickboot_time;
479
480/*
481 * Platform private flags
482 */
483#define	ISP_SPRIV_ERRSET	0x1
484#define	ISP_SPRIV_INWDOG	0x2
485#define	ISP_SPRIV_GRACE		0x4
486#define	ISP_SPRIV_DONE		0x8
487
488#define	XS_CMD_S_WDOG(sccb)	(sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_INWDOG
489#define	XS_CMD_C_WDOG(sccb)	(sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_INWDOG
490#define	XS_CMD_WDOG_P(sccb)	((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_INWDOG)
491
492#define	XS_CMD_S_GRACE(sccb)	(sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_GRACE
493#define	XS_CMD_C_GRACE(sccb)	(sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_GRACE
494#define	XS_CMD_GRACE_P(sccb)	((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_GRACE)
495
496#define	XS_CMD_S_DONE(sccb)	(sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_DONE
497#define	XS_CMD_C_DONE(sccb)	(sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_DONE
498#define	XS_CMD_DONE_P(sccb)	((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_DONE)
499
500#define	XS_CMD_S_CLEAR(sccb)	(sccb)->ccb_h.spriv_field0 = 0
501
502/*
503 * Platform Library Functions
504 */
505void isp_prt(ispsoftc_t *, int level, const char *, ...) __printflike(3, 4);
506uint64_t isp_nanotime_sub(struct timespec *, struct timespec *);
507int isp_mbox_acquire(ispsoftc_t *);
508void isp_mbox_wait_complete(ispsoftc_t *, mbreg_t *);
509void isp_mbox_notify_done(ispsoftc_t *);
510void isp_mbox_release(ispsoftc_t *);
511int isp_mstohz(int);
512void isp_platform_intr(void *);
513void isp_common_dmateardown(ispsoftc_t *, struct ccb_scsiio *, uint32_t);
514
515/*
516 * Platform Version specific defines
517 */
518#if __FreeBSD_version < 500000
519#define	BUS_DMA_ROOTARG(x)	NULL
520#define	isp_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, z)	\
521	bus_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, z)
522#elif	__FreeBSD_version < 700020
523#define	BUS_DMA_ROOTARG(x)	NULL
524#define	isp_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, z)	\
525	bus_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, \
526	busdma_lock_mutex, &Giant, z)
527#elif __FreeBSD_version < 700037
528#define	BUS_DMA_ROOTARG(x)	bus_get_dma_tag(x)
529#define	isp_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, z)	\
530	bus_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, \
531	busdma_lock_mutex, &Giant, z)
532#else
533#define	BUS_DMA_ROOTARG(x)	bus_get_dma_tag(x)
534#define	isp_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, z)	\
535	bus_dma_tag_create(a, b, c, d, e, f, g, h, i, j, k, \
536	busdma_lock_mutex, &isp->isp_osinfo.lock, z)
537#endif
538
539#if __FreeBSD_version < 700031
540#define	isp_setup_intr(d, i, f, U, if, ifa, hp)	\
541	bus_setup_intr(d, i, f, if, ifa, hp)
542#else
543#define	isp_setup_intr	bus_setup_intr
544#endif
545
546#if __FreeBSD_version < 500000
547#define	isp_sim_alloc	cam_sim_alloc
548#define	isp_callout_init(x)	callout_init(x)
549#elif	__FreeBSD_version < 700037
550#define	isp_callout_init(x)	callout_init(x, 0)
551#define	isp_sim_alloc		cam_sim_alloc
552#else
553#define	isp_callout_init(x)	callout_init(x, 1)
554#define	isp_sim_alloc(a, b, c, d, e, f, g, h)	\
555	cam_sim_alloc(a, b, c, d, e, &(d)->isp_osinfo.lock, f, g, h)
556#endif
557
558/* Should be BUS_SPACE_MAXSIZE, but MAXPHYS is larger than BUS_SPACE_MAXSIZE */
559#define ISP_NSEGS ((MAXPHYS / PAGE_SIZE) + 1)
560
561/*
562 * Platform specific inline functions
563 */
564static __inline int isp_get_pcmd(ispsoftc_t *, union ccb *);
565static __inline void isp_free_pcmd(ispsoftc_t *, union ccb *);
566
567static __inline int
568isp_get_pcmd(ispsoftc_t *isp, union ccb *ccb)
569{
570	ISP_PCMD(ccb) = isp->isp_osinfo.pcmd_free;
571	if (ISP_PCMD(ccb) == NULL) {
572		return (-1);
573	}
574	isp->isp_osinfo.pcmd_free = ((struct isp_pcmd *)ISP_PCMD(ccb))->next;
575	return (0);
576}
577
578static __inline void
579isp_free_pcmd(ispsoftc_t *isp, union ccb *ccb)
580{
581	((struct isp_pcmd *)ISP_PCMD(ccb))->next = isp->isp_osinfo.pcmd_free;
582	isp->isp_osinfo.pcmd_free = ISP_PCMD(ccb);
583	ISP_PCMD(ccb) = NULL;
584}
585
586
587/*
588 * ISP General Library functions
589 */
590
591#include <dev/isp/isp_library.h>
592
593#endif	/* _ISP_FREEBSD_H */
594