isp_netbsd.h revision 1.18.2.7 1 /* $NetBSD: isp_netbsd.h,v 1.18.2.7 2000/11/22 16:03:21 bouyer Exp $ */
2 /*
3 * This driver, which is contained in NetBSD in the files:
4 *
5 * sys/dev/ic/isp.c
6 * sys/dev/ic/ic/isp.c
7 * sys/dev/ic/ic/isp_inline.h
8 * sys/dev/ic/ic/isp_netbsd.c
9 * sys/dev/ic/ic/isp_netbsd.h
10 * sys/dev/ic/ic/isp_target.c
11 * sys/dev/ic/ic/isp_target.h
12 * sys/dev/ic/ic/isp_tpublic.h
13 * sys/dev/ic/ic/ispmbox.h
14 * sys/dev/ic/ic/ispreg.h
15 * sys/dev/ic/ic/ispvar.h
16 * sys/microcode/isp/asm_sbus.h
17 * sys/microcode/isp/asm_1040.h
18 * sys/microcode/isp/asm_1080.h
19 * sys/microcode/isp/asm_12160.h
20 * sys/microcode/isp/asm_2100.h
21 * sys/microcode/isp/asm_2200.h
22 * sys/pci/isp_pci.c
23 * sys/sbus/isp_sbus.c
24 *
25 * Is being actively maintained by Matthew Jacob (mjacob (at) netbsd.org).
26 * This driver also is shared source with FreeBSD, OpenBSD, Linux, Solaris,
27 * Linux versions. This tends to be an interesting maintenance problem.
28 *
29 * Please coordinate with Matthew Jacob on changes you wish to make here.
30 */
31 /*
32 * NetBSD Specific definitions for the Qlogic ISP Host Adapter
33 * Matthew Jacob <mjacob (at) nas.nasa.gov>
34 */
35 /*
36 * Copyright (C) 1997, 1998, 1999 National Aeronautics & Space Administration
37 * All rights reserved.
38 *
39 * Redistribution and use in source and binary forms, with or without
40 * modification, are permitted provided that the following conditions
41 * are met:
42 * 1. Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * 2. Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in the
46 * documentation and/or other materials provided with the distribution.
47 * 3. The name of the author may not be used to endorse or promote products
48 * derived from this software without specific prior written permission
49 *
50 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
51 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
52 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
53 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
54 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
55 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
56 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
57 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
58 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
59 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
60 */
61 #ifndef _ISP_NETBSD_H
62 #define _ISP_NETBSD_H
63
64 #include <sys/types.h>
65 #include <sys/param.h>
66 #include <sys/systm.h>
67 #include <sys/kernel.h>
68 #include <sys/errno.h>
69 #include <sys/ioctl.h>
70 #include <sys/device.h>
71 #include <sys/malloc.h>
72 #include <sys/buf.h>
73 #include <sys/proc.h>
74 #include <sys/user.h>
75
76 #include <uvm/uvm_extern.h>
77
78 #include <dev/scsipi/scsi_all.h>
79 #include <dev/scsipi/scsipi_all.h>
80 #include <dev/scsipi/scsiconf.h>
81
82 #include <dev/scsipi/scsi_message.h>
83 #include <dev/scsipi/scsipi_debug.h>
84
85 #include "opt_isp.h"
86
87
88 #define ISP_PLATFORM_VERSION_MAJOR 1
89 #define ISP_PLATFORM_VERSION_MINOR 0
90
91 struct isposinfo {
92 struct device _dev;
93 struct scsipi_link _link;
94 struct scsipi_link _link_b;
95 struct scsipi_adapter _adapter;
96 int splsaved;
97 int mboxwaiting;
98 u_int32_t islocked;
99 u_int32_t onintstack;
100 unsigned int : 30,
101 no_mbox_ints : 1,
102 blocked : 1;
103 union {
104 u_int64_t _wwn;
105 u_int16_t _discovered[2];
106 #define wwn_seed un._wwn
107 #define discovered un._discovered
108 } un;
109 TAILQ_HEAD(, scsipi_xfer) waitq;
110 struct callout _restart;
111 };
112
113 /*
114 * Required Macros/Defines
115 */
116
117 #define INLINE inline
118
119 #define ISP2100_FABRIC 1
120 #define ISP2100_SCRLEN 0x400
121
122 #define MEMZERO bzero
123 #define MEMCPY(dst, src, amt) bcopy((src), (dst), (amt))
124 #define SNPRINTF snprintf
125 #define STRNCAT strncat
126 #define USEC_DELAY DELAY
127
128 #define NANOTIME_T struct timeval
129 #define GET_NANOTIME microtime
130 #define GET_NANOSEC(x) (((x)->tv_sec * 1000000 + (x)->tv_usec) * 1000)
131 #define NANOTIME_SUB isp_microtime_sub
132
133 #define MAXISPREQUEST(isp) 256
134
135 #ifdef __alpha__
136 #define MEMORYBARRIER(isp, type, offset, size) alpha_mb()
137 #else
138 #define MEMORYBARRIER(isp, type, offset, size)
139 #endif
140
141 #define MBOX_ACQUIRE(isp)
142 #define MBOX_WAIT_COMPLETE isp_wait_complete
143
144 #define MBOX_NOTIFY_COMPLETE(isp) \
145 if (isp->isp_osinfo.mboxwaiting) { \
146 isp->isp_osinfo.mboxwaiting = 0; \
147 wakeup(&isp->isp_osinfo.mboxwaiting); \
148 } \
149 isp->isp_mboxbsy = 0
150
151 #define MBOX_RELEASE(isp)
152
153 #ifndef SCSI_GOOD
154 #define SCSI_GOOD 0x0
155 #endif
156 #ifndef SCSI_CHECK
157 #define SCSI_CHECK 0x2
158 #endif
159 #ifndef SCSI_BUSY
160 #define SCSI_BUSY 0x8
161 #endif
162 #ifndef SCSI_QFULL
163 #define SCSI_QFULL 0x28
164 #endif
165
166 #define XS_T struct scsipi_xfer
167 #define XS_CHANNEL(xs) \
168 (((int) (xs)->sc_link->scsipi_scsi.channel == SCSI_CHANNEL_ONLY_ONE) ? \
169 0 : (xs)->sc_link->scsipi_scsi.channel)
170 #define XS_ISP(xs) (xs)->sc_link->adapter_softc
171 #define XS_LUN(xs) ((int) (xs)->sc_link->scsipi_scsi.lun)
172 #define XS_TGT(xs) ((int) (xs)->sc_link->scsipi_scsi.target)
173 #define XS_CDBP(xs) ((caddr_t) (xs)->cmd)
174 #define XS_CDBLEN(xs) (xs)->cmdlen
175 #define XS_XFRLEN(xs) (xs)->datalen
176 #define XS_TIME(xs) (xs)->timeout
177 #define XS_RESID(xs) (xs)->resid
178 #define XS_STSP(xs) (&(xs)->status)
179 #define XS_SNSP(xs) (&(xs)->sense.scsi_sense)
180 #define XS_SNSLEN(xs) (sizeof (xs)->sense)
181 #define XS_SNSKEY(xs) ((xs)->sense.scsi_sense.flags)
182 #define XS_TAG_P(ccb) (((xs)->xs_control & XS_CTL_POLL) != 0)
183 #define XS_TAG_TYPE(xs) \
184 (((xs)->xs_control & XS_CTL_URGENT) ? REQFLAG_HTAG : \
185 ((xs)->bp && xs->bp->b_flags & B_ASYNC) ? REQFLAG_STAG : REQFLAG_OTAG)
186
187 #define XS_SETERR(xs, v) (xs)->error = v
188
189 # define HBA_NOERROR XS_NOERROR
190 # define HBA_BOTCH XS_DRIVER_STUFFUP
191 # define HBA_CMDTIMEOUT XS_TIMEOUT
192 # define HBA_SELTIMEOUT XS_SELTIMEOUT
193 # define HBA_TGTBSY XS_BUSY
194 # define HBA_BUSRESET XS_RESET
195 # define HBA_ABORTED XS_DRIVER_STUFFUP
196 # define HBA_DATAOVR XS_DRIVER_STUFFUP
197 # define HBA_ARQFAIL XS_DRIVER_STUFFUP
198
199 #define XS_ERR(xs) (xs)->error
200
201 #define XS_NOERR(xs) (xs)->error == XS_NOERROR
202
203 #define XS_INITERR(xs) (xs)->error = 0, XS_CMD_S_CLEAR(xs)
204
205 #define XS_SAVE_SENSE(xs, sp) \
206 bcopy(sp->req_sense_data, &(xs)->sense, \
207 imin(XS_SNSLEN(xs), sp->req_sense_len))
208
209 #define XS_SET_STATE_STAT(a, b, c)
210
211 #define DEFAULT_IID(x) 7
212 #define DEFAULT_LOOPID(x) 108
213 #define DEFAULT_NODEWWN(isp) (isp)->isp_osinfo.un._wwn
214 #define DEFAULT_PORTWWN(isp) (isp)->isp_osinfo.un._wwn
215 #define ISP_NODEWWN(isp) FCPARAM(isp)->isp_nodewwn
216 #define ISP_PORTWWN(isp) FCPARAM(isp)->isp_portwwn
217
218 #define ISP_UNSWIZZLE_AND_COPY_PDBP(isp, dest, src) \
219 if((void *)src != (void *)dest) bcopy(src, dest, sizeof (isp_pdb_t))
220 #define ISP_SWIZZLE_ICB(a, b)
221 #ifdef __sparc__
222 #define ISP_SWIZZLE_REQUEST(a, b) \
223 ISP_SBUSIFY_ISPHDR(a, &(b)->req_header); \
224 ISP_SBUSIFY_ISPREQ(a, b)
225 #define ISP_UNSWIZZLE_RESPONSE(a, b, c) \
226 ISP_SBUSIFY_ISPHDR(a, &(b)->req_header)
227 #else
228 #define ISP_SWIZZLE_REQUEST(a, b)
229 #define ISP_UNSWIZZLE_RESPONSE(a, b, c)
230 #endif
231 #define ISP_SWIZZLE_SNS_REQ(a, b)
232 #define ISP_UNSWIZZLE_SNS_RSP(a, b, c)
233 #ifdef __sparc__
234 #define ISP_SWIZZLE_NVRAM_WORD(isp, rp) \
235 { \
236 u_int16_t tmp = *rp >> 8; \
237 tmp |= ((*rp & 0xff) << 8); \
238 *rp = tmp; \
239 }
240 #else
241 #define ISP_SWIZZLE_NVRAM_WORD(isp, rp)
242 #endif
243
244 /*
245 * Includes of common header files
246 */
247
248 #include <dev/ic/ispreg.h>
249 #include <dev/ic/ispvar.h>
250 #include <dev/ic/ispmbox.h>
251
252 /*
253 * isp_osinfo definitions, extensions and shorthand.
254 */
255 #define isp_name isp_osinfo._dev.dv_xname
256 #define isp_unit isp_osinfo._dev.dv_unit
257
258 /*
259 * Driver prototypes..
260 */
261 void isp_attach __P((struct ispsoftc *));
262 void isp_uninit __P((struct ispsoftc *));
263
264 static inline void isp_lock __P((struct ispsoftc *));
265 static inline void isp_unlock __P((struct ispsoftc *));
266 static inline char *strncat __P((char *, const char *, size_t));
267 static inline u_int64_t
268 isp_microtime_sub __P((struct timeval *, struct timeval *));
269 static void isp_wait_complete __P((struct ispsoftc *));
270
271 /*
272 * Driver wide data...
273 */
274
275 /*
276 * Locking macros...
277 */
278 #define ISP_LOCK isp_lock
279 #define ISP_UNLOCK isp_unlock
280 #define ISP_ILOCK(x) isp_lock(x); isp->isp_osinfo.onintstack++
281 #define ISP_IUNLOCK(x) isp->isp_osinfo.onintstack--; isp_unlock(x)
282
283 /*
284 * Platform private flags
285 */
286
287 #define XS_PSTS_INWDOG 0x10000000
288 #define XS_PSTS_GRACE 0x20000000
289 #define XS_PSTS_ALL 0x30000000
290
291 #define XS_CMD_S_WDOG(xs) (xs)->xs_status |= XS_PSTS_INWDOG
292 #define XS_CMD_C_WDOG(xs) (xs)->xs_status &= ~XS_PSTS_INWDOG
293 #define XS_CMD_WDOG_P(xs) (((xs)->xs_status & XS_PSTS_INWDOG) != 0)
294
295 #define XS_CMD_S_GRACE(xs) (xs)->xs_status |= XS_PSTS_GRACE
296 #define XS_CMD_C_GRACE(xs) (xs)->xs_status &= ~XS_PSTS_GRACE
297 #define XS_CMD_GRACE_P(xs) (((xs)->xs_status & XS_PSTS_GRACE) != 0)
298
299 #define XS_CMD_S_DONE(xs) (xs)->xs_status |= XS_STS_DONE
300 #define XS_CMD_C_DONE(xs) (xs)->xs_status &= ~XS_STS_DONE
301 #define XS_CMD_DONE_P(xs) (((xs)->xs_status & XS_STS_DONE) != 0)
302
303 #define XS_CMD_S_CLEAR(xs) (xs)->xs_status &= ~XS_PSTS_ALL
304
305 /*
306 * Platform specific 'inline' or support functions
307 */
308 static inline void
309 isp_lock(isp)
310 struct ispsoftc *isp;
311 {
312 int s = splbio();
313 if (isp->isp_osinfo.islocked++ == 0) {
314 isp->isp_osinfo.splsaved = s;
315 } else {
316 splx(s);
317 }
318 }
319
320 static inline void
321 isp_unlock(isp)
322 struct ispsoftc *isp;
323 {
324 if (isp->isp_osinfo.islocked-- <= 1) {
325 isp->isp_osinfo.islocked = 0;
326 splx(isp->isp_osinfo.splsaved);
327 }
328 }
329
330 static inline char *
331 strncat(d, s, c)
332 char *d;
333 const char *s;
334 size_t c;
335 {
336 char *t = d;
337
338 if (c) {
339 while (*d)
340 d++;
341 while ((*d++ = *s++)) {
342 if (--c == 0) {
343 *d = '\0';
344 break;
345 }
346 }
347 }
348 return (t);
349 }
350
351 static inline u_int64_t
352 isp_microtime_sub(b, a)
353 struct timeval *b;
354 struct timeval *a;
355 {
356 struct timeval x;
357 u_int64_t elapsed;
358 timersub(b, a, &x);
359 elapsed = GET_NANOSEC(&x);
360 if (elapsed == 0)
361 elapsed++;
362 return (elapsed);
363 }
364
365 static inline void
366 isp_wait_complete(isp)
367 struct ispsoftc *isp;
368 {
369 if (isp->isp_osinfo.onintstack || isp->isp_osinfo.no_mbox_ints) {
370 int usecs = 0;
371 while (usecs < 2 * 1000000) {
372 (void) isp_intr(isp);
373 if (isp->isp_mboxbsy == 0) {
374 break;
375 }
376 USEC_DELAY(500);
377 usecs += 500;
378 }
379 if (isp->isp_mboxbsy != 0) {
380 isp_prt(isp, ISP_LOGWARN, "Mailbox Cmd (poll) Timeout");
381 }
382 } else {
383 int rv = 0;
384 isp->isp_osinfo.mboxwaiting = 1;
385 while (isp->isp_osinfo.mboxwaiting && rv == 0) {
386 static struct timeval twosec = { 2, 0 };
387 int timo;
388 struct timeval tv;
389 microtime(&tv);
390 timeradd(&tv, &twosec, &tv);
391 if ((timo = hzto(&tv)) == 0) {
392 timo = 1;
393 }
394 rv = tsleep(&isp->isp_osinfo.mboxwaiting,
395 PRIBIO, "isp_mboxcmd", timo);
396 }
397 if (rv == EWOULDBLOCK) {
398 isp->isp_mboxbsy = 0;
399 isp->isp_osinfo.mboxwaiting = 0;
400 isp_prt(isp, ISP_LOGWARN, "Mailbox Cmd (intr) Timeout");
401 }
402 }
403 }
404
405 /*
406 * Common inline functions
407 */
408 #define INLINE inline
409 #include <dev/ic/isp_inline.h>
410
411 #if !defined(ISP_DISABLE_FW) && !defined(ISP_COMPILE_FW)
412 #define ISP_COMPILE_FW 1
413 #endif
414 #endif /* _ISP_NETBSD_H */
415