1 /* $NetBSD: isp_netbsd.h,v 1.75 2015/08/28 13:03:36 joerg Exp $ */
2 /*
3  * NetBSD Specific definitions for the Qlogic ISP Host Adapter
4  */
5 /*
6  * Copyright (C) 1997, 1998, 1999 National Aeronautics & Space Administration
7  * All rights reserved.
8  *
9  * Additional Copyright (C) 2000-2007 by Matthew Jacob
10  * All rights reserved.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. The name of the author may not be used to endorse or promote products
21  *    derived from this software without specific prior written permission
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 #ifndef	_ISP_NETBSD_H
35 #define	_ISP_NETBSD_H
36 
37 #include <sys/types.h>
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/kernel.h>
41 #include <sys/errno.h>
42 #include <sys/ioctl.h>
43 #include <sys/device.h>
44 #include <sys/malloc.h>
45 #include <sys/buf.h>
46 #include <sys/proc.h>
47 #include <sys/kthread.h>
48 
49 #include <sys/bus.h>
50 
51 #include <dev/scsipi/scsi_all.h>
52 #include <dev/scsipi/scsipi_all.h>
53 #include <dev/scsipi/scsiconf.h>
54 
55 #include <dev/scsipi/scsi_message.h>
56 #include <dev/scsipi/scsipi_debug.h>
57 
58 #include "opt_isp.h"
59 
60 /*
61  * Efficiency- get rid of SBus code && tests unless we need them.
62  */
63 #if	defined(__sparcv9__ ) || defined(__sparc__)
64 #define	ISP_SBUS_SUPPORTED	1
65 #else
66 #define	ISP_SBUS_SUPPORTED	0
67 #endif
68 
69 #define	ISP_PLATFORM_VERSION_MAJOR	5
70 #define	ISP_PLATFORM_VERSION_MINOR	0
71 
72 struct isposinfo {
73 	device_t		dev;
74 	struct scsipi_adapter   adapter;
75 	struct scsipi_channel * chan;
76 	bus_dma_tag_t		dmatag;
77 	bus_dmamap_t		rqdmap;
78 	bus_dmamap_t		rsdmap;
79 	bus_dmamap_t		scdmap;		/* FC only */
80 	uint64_t 		wwns[256];	/* FC only */
81 	int			splsaved;
82 	int			mboxwaiting;
83 	uint32_t		islocked;
84 	uint32_t		onintstack;
85 	uint32_t		loop_down_time;
86 	uint32_t		loop_down_limit;
87 	uint32_t		gone_device_time;
88 	unsigned int		: 16,
89 				: 8,
90 		gdt_running	: 1,
91 		loop_checked	: 1,
92 		mbox_sleeping	: 1,
93 		mbox_sleep_ok	: 1,
94 		mboxcmd_done	: 1,
95 		mboxbsy		: 1,
96 		paused		: 1,
97 		blocked		: 1;
98 	struct callout		ldt;	/* loop down timer */
99 	struct callout		gdt;	/* gone device timer */
100 	uint64_t		wwn;
101 	uint16_t		framesize;
102 	uint16_t		exec_throttle;
103 	struct lwp *		thread;
104 };
105 #define	isp_dmatag		isp_osinfo.dmatag
106 #define	isp_rqdmap		isp_osinfo.rqdmap
107 #define	isp_rsdmap		isp_osinfo.rsdmap
108 #define	isp_scdmap		isp_osinfo.scdmap
109 
110 #define	ISP_MUSTPOLL(isp)	\
111  	(isp->isp_osinfo.onintstack || isp->isp_osinfo.mbox_sleep_ok == 0)
112 
113 /*
114  * Required Macros/Defines
115  */
116 
117 #define	ISP_FC_SCRLEN		0x1000
118 
119 #define	ISP_MEMZERO(dst, a)	memset((dst), 0, (a))
120 #define	ISP_MEMCPY(dst, src, a)	memcpy((dst), (src), (a))
121 #define	ISP_SNPRINTF		snprintf
122 #define	ISP_DELAY		DELAY
123 #define	ISP_SLEEP(isp, x)		\
124 	if (!ISP_MUSTPOLL(isp))		\
125 		ISP_UNLOCK(isp);	\
126 	DELAY(x);			\
127 	if (!ISP_MUSTPOLL(isp))		\
128 		ISP_LOCK(isp)
129 
130 #define	ISP_MIN	imin
131 #define	ISP_INLINE
132 
133 #define	NANOTIME_T		struct timeval
134 #define	GET_NANOTIME		microtime
135 #define	GET_NANOSEC(x)		(((x)->tv_sec * 1000000 + (x)->tv_usec) * 1000)
136 #define	NANOTIME_SUB		isp_microtime_sub
137 
138 #define	MAXISPREQUEST(isp)	256
139 
140 
141 #define	MEMORYBARRIER(isp, type, offset, size, c)		\
142 switch (type) {							\
143 case SYNC_REQUEST:						\
144 {								\
145 	off_t off = (off_t) offset * QENTRY_LEN;		\
146 	bus_dmamap_sync(isp->isp_dmatag, isp->isp_rqdmap,	\
147 	    off, size, BUS_DMASYNC_PREWRITE);			\
148 	break;							\
149 }								\
150 case SYNC_RESULT:						\
151 {								\
152 	off_t off = (off_t) offset * QENTRY_LEN;		\
153 	bus_dmamap_sync(isp->isp_dmatag, isp->isp_rsdmap,	\
154 	    off, size, BUS_DMASYNC_POSTREAD);			\
155 	break;							\
156 }								\
157 case SYNC_SFORDEV:						\
158 {								\
159 	off_t off = (off_t) offset;				\
160 	bus_dmamap_sync(isp->isp_dmatag, isp->isp_scdmap,	\
161 	    off, size, BUS_DMASYNC_PREWRITE);			\
162 	break;							\
163 }								\
164 case SYNC_SFORCPU:						\
165 {								\
166 	off_t off = (off_t) offset;				\
167 	bus_dmamap_sync(isp->isp_dmatag, isp->isp_scdmap,	\
168 	    off, size, BUS_DMASYNC_POSTREAD);			\
169 	break;							\
170 }								\
171 default:							\
172 	break;							\
173 }
174 
175 #define	MBOX_ACQUIRE		isp_mbox_acquire
176 #define	MBOX_WAIT_COMPLETE	isp_mbox_wait_complete
177 #define	MBOX_NOTIFY_COMPLETE	isp_mbox_notify_done
178 #define	MBOX_RELEASE		isp_mbox_release
179 
180 #define	FC_SCRATCH_ACQUIRE(isp, chan)	0
181 #define	FC_SCRATCH_RELEASE(isp, chan)	do { } while (0)
182 
183 #ifndef	SCSI_GOOD
184 #define	SCSI_GOOD	0x0
185 #endif
186 #ifndef	SCSI_CHECK
187 #define	SCSI_CHECK	0x2
188 #endif
189 #ifndef	SCSI_BUSY
190 #define	SCSI_BUSY	0x8
191 #endif
192 #ifndef	SCSI_QFULL
193 #define	SCSI_QFULL	0x28
194 #endif
195 
196 #define	XS_T			struct scsipi_xfer
197 #define	XS_DMA_ADDR_T		bus_addr_t
198 #define	XS_DMA_ADDR_T		bus_addr_t
199 #define XS_GET_DMA64_SEG(a, b, c)		\
200 {						\
201 	ispds64_t *d = a;			\
202 	bus_dma_segment_t *e = b;		\
203 	uint32_t f = c;				\
204 	e += f;					\
205         d->ds_base = DMA_LO32(e->ds_addr);	\
206         d->ds_basehi = DMA_HI32(e->ds_addr);	\
207         d->ds_count = e->ds_len;		\
208 }
209 #define XS_GET_DMA_SEG(a, b, c)			\
210 {						\
211 	ispds_t *d = a;				\
212 	bus_dma_segment_t *e = b;		\
213 	uint32_t f = c;				\
214 	e += f;					\
215         d->ds_base = DMA_LO32(e->ds_addr);	\
216         d->ds_count = e->ds_len;		\
217 }
218 #define	XS_CHANNEL(xs)		\
219 	((int) (xs)->xs_periph->periph_channel->chan_channel)
220 #define	XS_ISP(xs)		\
221 	device_private((xs)->xs_periph->periph_channel->chan_adapter->adapt_dev)
222 #define	XS_LUN(xs)		((int) (xs)->xs_periph->periph_lun)
223 #define	XS_TGT(xs)		((int) (xs)->xs_periph->periph_target)
224 #define	XS_CDBP(xs)		((uint8_t *) (xs)->cmd)
225 #define	XS_CDBLEN(xs)		(xs)->cmdlen
226 #define	XS_XFRLEN(xs)		(xs)->datalen
227 #define	XS_TIME(xs)		(xs)->timeout
228 #define	XS_GET_RESID(xs)	(xs)->resid
229 #define	XS_SET_RESID(xs, r)	(xs)->resid = r
230 #define	XS_STSP(xs)		(&(xs)->status)
231 #define	XS_SNSP(xs)		(&(xs)->sense.scsi_sense)
232 #define	XS_SNSLEN(xs)		(sizeof (xs)->sense)
233 #define	XS_SNSKEY(xs)		SSD_SENSE_KEY((xs)->sense.scsi_sense.flags)
234 #define	XS_SNSASC(xs)		((xs)->sense.scsi_sense.asc)
235 #define	XS_SNSASCQ(xs)		((xs)->sense.scsi_sense.ascq)
236 /* PORTING NOTES: check to see if there's a better way of checking for tagged */
237 #define	XS_TAG_P(ccb)		(((xs)->xs_control & XS_CTL_POLL) != 0)
238 /* PORTING NOTES: We elimited OTAG option for performance */
239 #define	XS_TAG_TYPE(xs)	\
240 	(((xs)->xs_control & XS_CTL_URGENT) ? REQFLAG_HTAG : REQFLAG_STAG)
241 
242 #define	XS_SETERR(xs, v)	(xs)->error = v
243 
244 #	define	HBA_NOERROR		XS_NOERROR
245 #	define	HBA_BOTCH		XS_DRIVER_STUFFUP
246 #	define	HBA_CMDTIMEOUT		XS_TIMEOUT
247 #	define	HBA_SELTIMEOUT		XS_SELTIMEOUT
248 #	define	HBA_TGTBSY		XS_BUSY
249 #	define	HBA_BUSRESET		XS_RESET
250 #	define	HBA_ABORTED		XS_DRIVER_STUFFUP
251 #	define	HBA_DATAOVR		XS_DRIVER_STUFFUP
252 #	define	HBA_ARQFAIL		XS_DRIVER_STUFFUP
253 
254 #define	XS_ERR(xs)		(xs)->error
255 #define	XS_NOERR(xs)		((xs)->error == XS_NOERROR)
256 #define	XS_INITERR(xs)		(xs)->error = 0, XS_CMD_S_CLEAR(xs)
257 
258 #define	XS_SAVE_SENSE(xs, ptr, len)				\
259 	if (xs->error == XS_NOERROR) {				\
260 		xs->error = XS_SENSE;				\
261 	}							\
262 	memcpy(&(xs)->sense, ptr, imin(XS_SNSLEN(xs), len))
263 
264 #define	XS_SENSE_VALID(xs)		(xs)->error == XS_SENSE
265 
266 #define	DEFAULT_FRAMESIZE(isp)		(isp)->isp_osinfo.framesize
267 #define	DEFAULT_EXEC_THROTTLE(isp)	(isp)->isp_osinfo.exec_throttle
268 #define	GET_DEFAULT_ROLE(isp, chan)	ISP_ROLE_INITIATOR
269 #define	SET_DEFAULT_ROLE(isp, chan)	do { } while (0)
270 #define	DEFAULT_IID(x, chan)		7
271 #define	DEFAULT_LOOPID(x, chan)		108
272 #define	DEFAULT_NODEWWN(isp, chan)	(isp)->isp_osinfo.wwn
273 #define	DEFAULT_PORTWWN(isp, chan)	(isp)->isp_osinfo.wwn
274 #define	ACTIVE_NODEWWN(isp, chan)				\
275 	((isp)->isp_osinfo.wwn? (isp)->isp_osinfo.wwn :	\
276 	(FCPARAM(isp, chan)->isp_wwnn_nvram?		\
277 	 FCPARAM(isp, chan)->isp_wwnn_nvram : 0x400000007F000008ull))
278 #define	ACTIVE_PORTWWN(isp, chan)				\
279 	((isp)->isp_osinfo.wwn? (isp)->isp_osinfo.wwn :	\
280 	(FCPARAM(isp, chan)->isp_wwpn_nvram?		\
281 	 FCPARAM(isp, chan)->isp_wwpn_nvram : 0x400000007F000008ull))
282 
283 #if	_BYTE_ORDER == _BIG_ENDIAN
284 #ifdef	ISP_SBUS_SUPPORTED
285 #define	ISP_IOXPUT_8(isp, s, d)		*(d) = s
286 #define	ISP_IOXPUT_16(isp, s, d)				\
287 	*(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : bswap16(s)
288 #define	ISP_IOXPUT_32(isp, s, d)				\
289 	*(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : bswap32(s)
290 
291 #define	ISP_IOXGET_8(isp, s, d)		d = (*((uint8_t *)s))
292 #define	ISP_IOXGET_16(isp, s, d)				\
293 	d = (isp->isp_bustype == ISP_BT_SBUS)?			\
294 	*((uint16_t *)s) : bswap16(*((uint16_t *)s))
295 #define	ISP_IOXGET_32(isp, s, d)				\
296 	d = (isp->isp_bustype == ISP_BT_SBUS)?			\
297 	*((uint32_t *)s) : bswap32(*((uint32_t *)s))
298 
299 #else	/* ISP_SBUS_SUPPORTED */
300 #define	ISP_IOXPUT_8(isp, s, d)		*(d) = s
301 #define	ISP_IOXPUT_16(isp, s, d)	*(d) = bswap16(s)
302 #define	ISP_IOXPUT_32(isp, s, d)	*(d) = bswap32(s)
303 #define	ISP_IOXGET_8(isp, s, d)		d = (*((uint8_t *)s))
304 #define	ISP_IOXGET_16(isp, s, d)	d = bswap16(*((uint16_t *)s))
305 #define	ISP_IOXGET_32(isp, s, d)	d = bswap32(*((uint32_t *)s))
306 #endif	/* ISP_SBUS_SUPPORTED */
307 #define	ISP_SWIZZLE_NVRAM_WORD(isp, rp)	*rp = bswap16(*rp)
308 #define	ISP_SWIZZLE_NVRAM_LONG(isp, rp)	*rp = bswap32(*rp)
309 
310 #define	ISP_IOZGET_8(isp, s, d)		d = (*((uint8_t *)s))
311 #define	ISP_IOZGET_16(isp, s, d)	d = (*((uint16_t *)s))
312 #define	ISP_IOZGET_32(isp, s, d)	d = (*((uint32_t *)s))
313 #define	ISP_IOZPUT_8(isp, s, d)		*(d) = s
314 #define	ISP_IOZPUT_16(isp, s, d)	*(d) = s
315 #define	ISP_IOZPUT_32(isp, s, d)	*(d) = s
316 
317 #else
318 #define	ISP_IOXPUT_8(isp, s, d)		*(d) = s
319 #define	ISP_IOXPUT_16(isp, s, d)	*(d) = s
320 #define	ISP_IOXPUT_32(isp, s, d)	*(d) = s
321 #define	ISP_IOXGET_8(isp, s, d)		d = *(s)
322 #define	ISP_IOXGET_16(isp, s, d)	d = *(s)
323 #define	ISP_IOXGET_32(isp, s, d)	d = *(s)
324 #define	ISP_SWIZZLE_NVRAM_WORD(isp, rp)
325 #define	ISP_SWIZZLE_NVRAM_LONG(isp, rp)
326 
327 #define	ISP_IOZPUT_8(isp, s, d)		*(d) = s
328 #define	ISP_IOZPUT_16(isp, s, d)	*(d) = bswap16(s)
329 #define	ISP_IOZPUT_32(isp, s, d)	*(d) = bswap32(s)
330 
331 #define	ISP_IOZGET_8(isp, s, d)		d = (*((uint8_t *)(s)))
332 #define	ISP_IOZGET_16(isp, s, d)	d = bswap16(*((uint16_t *)(s)))
333 #define	ISP_IOZGET_32(isp, s, d)	d = bswap32(*((uint32_t *)(s)))
334 
335 #endif
336 
337 #define	ISP_SWAP16(isp, x)		bswap16(x)
338 #define	ISP_SWAP32(isp, x)		bswap32(x)
339 
340 /*
341  * Includes of common header files
342  */
343 
344 #include <dev/ic/ispreg.h>
345 #include <dev/ic/ispvar.h>
346 #include <dev/ic/ispmbox.h>
347 
348 /*
349  * isp_osinfo definitions, extensions and shorthand.
350  */
351 #define	isp_unit	device_unit(isp_osinfo.dev)
352 
353 
354 /*
355  * Driver prototypes..
356  */
357 void isp_attach(ispsoftc_t *);
358 void isp_uninit(ispsoftc_t *);
359 
360 /*
361  * Driver wide data...
362  */
363 
364 /*
365  * Locking macros...
366  */
367 #define	ISP_LOCK		isp_lock
368 #define	ISP_UNLOCK		isp_unlock
369 #define	ISP_ILOCK(x)		isp_lock(x); isp->isp_osinfo.onintstack++
370 #define	ISP_IUNLOCK(x)		isp->isp_osinfo.onintstack--; isp_unlock(x)
371 
372 /*
373  * Platform private flags
374  */
375 
376 #define	XS_PSTS_INWDOG		0x10000000
377 #define	XS_PSTS_GRACE		0x20000000
378 #define	XS_PSTS_ALL		0x30000000
379 
380 #define	XS_CMD_S_WDOG(xs)	(xs)->xs_status |= XS_PSTS_INWDOG
381 #define	XS_CMD_C_WDOG(xs)	(xs)->xs_status &= ~XS_PSTS_INWDOG
382 #define	XS_CMD_WDOG_P(xs)	(((xs)->xs_status & XS_PSTS_INWDOG) != 0)
383 
384 #define	XS_CMD_S_GRACE(xs)	(xs)->xs_status |= XS_PSTS_GRACE
385 #define	XS_CMD_C_GRACE(xs)	(xs)->xs_status &= ~XS_PSTS_GRACE
386 #define	XS_CMD_GRACE_P(xs)	(((xs)->xs_status & XS_PSTS_GRACE) != 0)
387 
388 #define	XS_CMD_S_DONE(xs)	(xs)->xs_status |= XS_STS_DONE
389 #define	XS_CMD_C_DONE(xs)	(xs)->xs_status &= ~XS_STS_DONE
390 #define	XS_CMD_DONE_P(xs)	(((xs)->xs_status & XS_STS_DONE) != 0)
391 
392 #define	XS_CMD_S_CLEAR(xs)	(xs)->xs_status &= ~XS_PSTS_ALL
393 
394 /*
395  * Platform Library Functionw
396  */
397 void isp_prt(ispsoftc_t *, int level, const char *, ...);
398 void isp_xs_prt(ispsoftc_t *, XS_T *, int level, const char *, ...);
399 void isp_lock(ispsoftc_t *);
400 void isp_unlock(ispsoftc_t *);
401 uint64_t isp_microtime_sub(struct timeval *, struct timeval *);
402 int isp_mbox_acquire(ispsoftc_t *);
403 void isp_mbox_wait_complete(ispsoftc_t *, mbreg_t *);
404 void isp_mbox_notify_done(ispsoftc_t *);
405 void isp_mbox_release(ispsoftc_t *);
406 
407 /*
408  * Common Library functions
409  */
410 #include <dev/ic/isp_library.h>
411 
412 #if	!defined(ISP_DISABLE_FW) && !defined(ISP_COMPILE_FW)
413 #define	ISP_COMPILE_FW	1
414 #endif
415 #endif	/* _ISP_NETBSD_H */
416