isp_freebsd.h revision 59452
1/* $FreeBSD: head/sys/dev/isp/isp_freebsd.h 59452 2000-04-21 02:05:13Z mjacob $ */
2/*
3 * Qlogic ISP SCSI Host Adapter FreeBSD Wrapper Definitions (CAM version)
4 *---------------------------------------
5 * Copyright (c) 1997, 1998, 1999 by Matthew Jacob
6 * NASA/Ames Research Center
7 * All rights reserved.
8 *---------------------------------------
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice immediately at the beginning of the file, without modification,
15 *    this list of conditions, and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. The name of the author may not be used to endorse or promote products
20 *    derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
26 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34#ifndef	_ISP_FREEBSD_H
35#define	_ISP_FREEBSD_H
36
37#define	ISP_PLATFORM_VERSION_MAJOR	5
38#define	ISP_PLATFORM_VERSION_MINOR	0
39
40
41#include <sys/param.h>
42#include <sys/param.h>
43#include <sys/systm.h>
44#include <sys/kernel.h>
45#include <sys/queue.h>
46#include <sys/malloc.h>
47
48#include <machine/bus_memio.h>
49#include <machine/bus_pio.h>
50#include <machine/bus.h>
51#include <machine/clock.h>
52
53#include <cam/cam.h>
54#include <cam/cam_debug.h>
55#include <cam/cam_ccb.h>
56#include <cam/cam_sim.h>
57#include <cam/cam_xpt.h>
58#include <cam/cam_xpt_sim.h>
59#include <cam/cam_debug.h>
60#include <cam/scsi/scsi_all.h>
61#include <cam/scsi/scsi_message.h>
62
63#include "opt_ddb.h"
64#include "opt_isp.h"
65#ifdef	SCSI_ISP_FABRIC
66#define	ISP2100_FABRIC		1
67#define	ISP2100_SCRLEN		0x400
68#else
69#define	ISP2100_SCRLEN		0x100
70#endif
71#ifdef	SCSI_ISP_SCCLUN
72#define	ISP2100_SCCLUN	1
73#endif
74
75#ifndef	SCSI_CHECK
76#define	SCSI_CHECK	SCSI_STATUS_CHECK_COND
77#endif
78#ifndef	SCSI_BUSY
79#define	SCSI_BUSY	SCSI_STATUS_BUSY
80#endif
81#ifndef	SCSI_QFULL
82#define	SCSI_QFULL	SCSI_STATUS_QUEUE_FULL
83#endif
84
85#define	ISP_SCSI_XFER_T		struct ccb_scsiio
86
87#ifdef	ISP_TARGET_MODE
88typedef struct tstate {
89	struct tstate *next;
90	struct cam_path *owner;
91	struct ccb_hdr_slist atios;
92	struct ccb_hdr_slist inots;
93	lun_id_t lun;
94	u_int32_t hold;
95} tstate_t;
96
97/*
98 * This should work very well for 100% of parallel SCSI cases, 100%
99 * of non-SCCLUN FC cases, and hopefully some larger fraction of the
100 * SCCLUN FC cases. Basically, we index by the low 5 bits of lun and
101 * then linear search. This has to be reasonably zippy, but not crucially
102 * so.
103 */
104#define	LUN_HASH_SIZE		32
105#define	LUN_HASH_FUNC(lun)	((lun) & 0x1f)
106
107#endif
108
109struct isposinfo {
110	struct ispsoftc *	next;
111	u_int64_t		default_wwn;
112	char			name[8];
113	int			unit;
114	struct cam_sim		*sim;
115	struct cam_path		*path;
116	struct cam_sim		*sim2;
117	struct cam_path		*path2;
118	volatile char		simqfrozen;
119#ifdef	ISP_TARGET_MODE
120#define	TM_WANTED		0x01
121#define	TM_BUSY			0x02
122#define	TM_TMODE_ENABLED	0x80
123	u_int8_t		tmflags;
124	u_int8_t		rstatus;
125	u_int16_t		rollinfo;
126	tstate_t		tsdflt;
127	tstate_t		*lun_hash[LUN_HASH_SIZE];
128#endif
129};
130#define	SIMQFRZ_RESOURCE	0x1
131#define	SIMQFRZ_LOOPDOWN	0x2
132#define	SIMQFRZ_TIMED		0x4
133
134#define	isp_sim		isp_osinfo.sim
135#define	isp_path	isp_osinfo.path
136#define	isp_sim2	isp_osinfo.sim2
137#define	isp_path2	isp_osinfo.path2
138#define	isp_unit	isp_osinfo.unit
139#define	isp_name	isp_osinfo.name
140
141#define	MAXISPREQUEST		256
142
143#include <dev/isp/ispreg.h>
144#include <dev/isp/ispvar.h>
145#include <dev/isp/ispmbox.h>
146
147#define	DFLT_DBLEVEL		isp_debug
148extern int isp_debug;
149#define	ISP_LOCKVAL_DECL	int isp_spl_save
150#define	ISP_ILOCKVAL_DECL	ISP_LOCKVAL_DECL
151#define	ISP_UNLOCK(isp)		(void) splx(isp_spl_save)
152#define	ISP_LOCK(isp)		isp_spl_save = splcam()
153#define	ISP_ILOCK(isp)		ISP_LOCK(isp)
154#define	ISP_IUNLOCK(isp)	ISP_UNLOCK(isp)
155#define	IMASK			cam_imask
156
157#define	XS_NULL(ccb)		ccb == NULL
158#define	XS_ISP(ccb)		((struct ispsoftc *) (ccb)->ccb_h.spriv_ptr1)
159
160#define	XS_LUN(ccb)		(ccb)->ccb_h.target_lun
161#define	XS_TGT(ccb)		(ccb)->ccb_h.target_id
162#define	XS_CHANNEL(ccb)		cam_sim_bus(xpt_path_sim((ccb)->ccb_h.path))
163#define	XS_RESID(ccb)		(ccb)->resid
164#define	XS_XFRLEN(ccb)		(ccb)->dxfer_len
165#define	XS_CDBLEN(ccb)		(ccb)->cdb_len
166#define	XS_CDBP(ccb)		(((ccb)->ccb_h.flags & CAM_CDB_POINTER)? \
167	(ccb)->cdb_io.cdb_ptr : (ccb)->cdb_io.cdb_bytes)
168#define	XS_STS(ccb)		(ccb)->scsi_status
169#define	XS_TIME(ccb)		(ccb)->ccb_h.timeout
170#define	XS_SNSP(ccb)		(&(ccb)->sense_data)
171#define	XS_SNSLEN(ccb)		\
172	imin((sizeof((ccb)->sense_data)), ccb->sense_len)
173#define	XS_SNSKEY(ccb)		((ccb)->sense_data.flags & 0xf)
174
175/*
176 * A little tricky- HBA_NOERROR is "in progress" so
177 * that XS_CMD_DONE can transition this to CAM_REQ_CMP.
178 */
179#define	HBA_NOERROR		CAM_REQ_INPROG
180#define	HBA_BOTCH		CAM_UNREC_HBA_ERROR
181#define	HBA_CMDTIMEOUT		CAM_CMD_TIMEOUT
182#define	HBA_SELTIMEOUT		CAM_SEL_TIMEOUT
183#define	HBA_TGTBSY		CAM_SCSI_STATUS_ERROR
184#define	HBA_BUSRESET		CAM_SCSI_BUS_RESET
185#define	HBA_ABORTED		CAM_REQ_ABORTED
186#define	HBA_DATAOVR		CAM_DATA_RUN_ERR
187#define	HBA_ARQFAIL		CAM_AUTOSENSE_FAIL
188
189#define	XS_SNS_IS_VALID(ccb) ((ccb)->ccb_h.status |= CAM_AUTOSNS_VALID)
190#define	XS_IS_SNS_VALID(ccb) (((ccb)->ccb_h.status & CAM_AUTOSNS_VALID) != 0)
191
192#define	XS_INITERR(ccb)		\
193	(ccb)->ccb_h.status &= ~CAM_STATUS_MASK, \
194	(ccb)->ccb_h.status |= CAM_REQ_INPROG, \
195	(ccb)->ccb_h.spriv_field0 = CAM_REQ_INPROG
196#define	XS_SETERR(ccb, v)	(ccb)->ccb_h.spriv_field0 = v
197#define	XS_ERR(ccb)		(ccb)->ccb_h.spriv_field0
198#define	XS_NOERR(ccb)		\
199	((ccb)->ccb_h.spriv_field0 == CAM_REQ_INPROG)
200
201extern void isp_done(struct ccb_scsiio *);
202#define	XS_CMD_DONE(sccb)	isp_done(sccb)
203
204#define	XS_IS_CMD_DONE(ccb)	\
205	(((ccb)->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG)
206
207/*
208 * Can we tag?
209 */
210#define	XS_CANTAG(ccb)		(((ccb)->ccb_h.flags & CAM_TAG_ACTION_VALID) \
211				  && (ccb)->tag_action != CAM_TAG_ACTION_NONE)
212/*
213 * And our favorite tag is....
214 */
215#define	XS_KINDOF_TAG(ccb)	\
216	((ccb->tag_action == MSG_SIMPLE_Q_TAG)? REQFLAG_STAG : \
217	  ((ccb->tag_action == MSG_HEAD_OF_Q_TAG)? REQFLAG_HTAG : REQFLAG_OTAG))
218
219#define	CMD_COMPLETE		0
220#define	CMD_EAGAIN		1
221#define	CMD_QUEUED		2
222#define	CMD_RQLATER		3
223#define	STOP_WATCHDOG(f, s)
224
225extern void isp_attach(struct ispsoftc *);
226extern void isp_uninit(struct ispsoftc *);
227
228#define	MEMZERO			bzero
229#define	MEMCPY(dst, src, amt)	bcopy((src), (dst), (amt))
230#ifdef	__alpha__
231#define	MemoryBarrier	alpha_mb
232#else
233#define	MemoryBarrier()
234#endif
235
236
237#define	DMA_MSW(x)	(((x) >> 16) & 0xffff)
238#define	DMA_LSW(x)	(((x) & 0xffff))
239
240#define	ISP_UNSWIZZLE_AND_COPY_PDBP(isp, dest, src)	\
241	bcopy(src, dest, sizeof (isp_pdb_t))
242#define	ISP_SWIZZLE_ICB(a, b)
243#define	ISP_SWIZZLE_REQUEST(a, b)
244#define	ISP_UNSWIZZLE_RESPONSE(a, b)
245#define	ISP_SWIZZLE_SNS_REQ(a, b)
246#define	ISP_UNSWIZZLE_SNS_RSP(a, b, c)
247
248#define	IDPRINTF(lev, x)	if (isp->isp_dblev >= (u_int8_t) lev) printf x
249#define	PRINTF			printf
250#define	CFGPRINTF		if (bootverbose || DFLT_DBLEVEL > 1) printf
251
252#define	SYS_DELAY(x)	DELAY(x)
253
254#define	FC_FW_READY_DELAY	(5 * 1000000)
255#define	DEFAULT_LOOPID(x)	109
256#define	DEFAULT_WWN(x)		(x)->isp_osinfo.default_wwn
257
258#define	INLINE	__inline
259#include <dev/isp/isp_inline.h>
260#endif	/* _ISP_FREEBSD_H */
261