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1/* $FreeBSD: head/sys/dev/isp/isp_freebsd.h 160212 2006-07-09 17:50:20Z 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#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#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
137struct isposinfo {
138 struct ispsoftc * next;
139 uint64_t default_port_wwn;
140 uint64_t default_node_wwn;
141 uint32_t default_id;
142 device_t dev;
143 struct cam_sim *sim;
144 struct cam_path *path;
145 struct cam_sim *sim2;
146 struct cam_path *path2;
147 struct intr_config_hook ehook;
148 uint8_t
149 disabled : 1,
150 fcbsy : 1,
151 ktmature : 1,
152 mboxwaiting : 1,
153 intsok : 1,
154 simqfrozen : 3;
155#if __FreeBSD_version >= 500000
156 struct firmware * fw;
157 struct mtx lock;
158 struct cv kthread_cv;
159#endif
160 struct proc *kproc;
161 bus_dma_tag_t cdmat;
162 bus_dmamap_t cdmap;
163#define isp_cdmat isp_osinfo.cdmat
164#define isp_cdmap isp_osinfo.cdmap
165#ifdef ISP_TARGET_MODE
166#define TM_WILDCARD_ENABLED 0x02
167#define TM_TMODE_ENABLED 0x01
168 uint8_t tmflags[2]; /* two busses */
169#define NLEACT 4
170 union ccb * leact[NLEACT];
171 tstate_t tsdflt[2]; /* two busses */
172 tstate_t *lun_hash[LUN_HASH_SIZE];
173 atio_private_data_t atpdp[ATPDPSIZE];
174#endif
175};
176
177#define isp_lock isp_osinfo.lock
178
179/*
180 * Locking macros...
181 */
182
183#ifdef ISP_SMPLOCK
184#define ISP_LOCK(x) mtx_lock(&(x)->isp_lock)
185#define ISP_UNLOCK(x) mtx_unlock(&(x)->isp_lock)
186#define ISPLOCK_2_CAMLOCK(isp) \
187 mtx_unlock(&(isp)->isp_lock); mtx_lock(&Giant)
188#define CAMLOCK_2_ISPLOCK(isp) \
189 mtx_unlock(&Giant); mtx_lock(&(isp)->isp_lock)
190#else
191#define ISP_LOCK(x) do { } while (0)
192#define ISP_UNLOCK(x) do { } while (0)
193#define ISPLOCK_2_CAMLOCK(isp) do { } while (0)
194#define CAMLOCK_2_ISPLOCK(isp) do { } while (0)
195#endif
196
197/*
198 * Required Macros/Defines
199 */
200
201#define ISP2100_SCRLEN 0x800
202
203#define MEMZERO(a, b) memset(a, 0, b)
204#define MEMCPY memcpy
205#define SNPRINTF snprintf
206#define USEC_DELAY DELAY
207#define USEC_SLEEP(isp, x) \
208 if (isp->isp_osinfo.intsok) \
209 ISP_UNLOCK(isp); \
210 DELAY(x); \
211 if (isp->isp_osinfo.intsok) \
212 ISP_LOCK(isp)
213
214#define NANOTIME_T struct timespec
215#define GET_NANOTIME nanotime
216#define GET_NANOSEC(x) ((x)->tv_sec * 1000000000 + (x)->tv_nsec)
217#define NANOTIME_SUB nanotime_sub
218
219#define MAXISPREQUEST(isp) ((IS_FC(isp) || IS_ULTRA2(isp))? 1024 : 256)
220
221#define MEMORYBARRIER(isp, type, offset, size) \
222switch (type) { \
223case SYNC_SFORDEV: \
224case SYNC_REQUEST: \
225 bus_dmamap_sync(isp->isp_cdmat, isp->isp_cdmap, \
226 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); \
227 break; \
228case SYNC_SFORCPU: \
229case SYNC_RESULT: \
230 bus_dmamap_sync(isp->isp_cdmat, isp->isp_cdmap, \
231 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); \
232 break; \
233default: \
234 break; \
235}
236
237#define MBOX_ACQUIRE(isp)
238#define MBOX_WAIT_COMPLETE isp_mbox_wait_complete
239#define MBOX_NOTIFY_COMPLETE(isp) \
240 if (isp->isp_osinfo.mboxwaiting) { \
241 isp->isp_osinfo.mboxwaiting = 0; \
242 wakeup(&isp->isp_mbxworkp); \
243 } \
244 isp->isp_mboxbsy = 0
245#define MBOX_RELEASE(isp)
246
247#define FC_SCRATCH_ACQUIRE(isp) \
248 if (isp->isp_osinfo.fcbsy) { \
249 isp_prt(isp, ISP_LOGWARN, \
250 "FC scratch area busy (line %d)!", __LINE__); \
251 } else \
252 isp->isp_osinfo.fcbsy = 1
253#define FC_SCRATCH_RELEASE(isp) isp->isp_osinfo.fcbsy = 0
254
255#ifndef SCSI_GOOD
256#define SCSI_GOOD SCSI_STATUS_OK
257#endif
258#ifndef SCSI_CHECK
259#define SCSI_CHECK SCSI_STATUS_CHECK_COND
260#endif
261#ifndef SCSI_BUSY
262#define SCSI_BUSY SCSI_STATUS_BUSY
263#endif
264#ifndef SCSI_QFULL
265#define SCSI_QFULL SCSI_STATUS_QUEUE_FULL
266#endif
267
268#define XS_T struct ccb_scsiio
269#define XS_DMA_ADDR_T bus_addr_t
270#define XS_ISP(ccb) ((ispsoftc_t *) (ccb)->ccb_h.spriv_ptr1)
271#define XS_CHANNEL(ccb) cam_sim_bus(xpt_path_sim((ccb)->ccb_h.path))
272#define XS_TGT(ccb) (ccb)->ccb_h.target_id
273#define XS_LUN(ccb) (ccb)->ccb_h.target_lun
274
275#define XS_CDBP(ccb) \
276 (((ccb)->ccb_h.flags & CAM_CDB_POINTER)? \
277 (ccb)->cdb_io.cdb_ptr : (ccb)->cdb_io.cdb_bytes)
278
279#define XS_CDBLEN(ccb) (ccb)->cdb_len
280#define XS_XFRLEN(ccb) (ccb)->dxfer_len
281#define XS_TIME(ccb) (ccb)->ccb_h.timeout
282#define XS_RESID(ccb) (ccb)->resid
283#define XS_STSP(ccb) (&(ccb)->scsi_status)
284#define XS_SNSP(ccb) (&(ccb)->sense_data)
285
286#define XS_SNSLEN(ccb) \
287 imin((sizeof((ccb)->sense_data)), ccb->sense_len)
288
289#define XS_SNSKEY(ccb) ((ccb)->sense_data.flags & 0xf)
290#define XS_TAG_P(ccb) \
291 (((ccb)->ccb_h.flags & CAM_TAG_ACTION_VALID) && \
292 (ccb)->tag_action != CAM_TAG_ACTION_NONE)
293
294#define XS_TAG_TYPE(ccb) \
295 ((ccb->tag_action == MSG_SIMPLE_Q_TAG)? REQFLAG_STAG : \
296 ((ccb->tag_action == MSG_HEAD_OF_Q_TAG)? REQFLAG_HTAG : REQFLAG_OTAG))
297
298
299#define XS_SETERR(ccb, v) (ccb)->ccb_h.status &= ~CAM_STATUS_MASK, \
300 (ccb)->ccb_h.status |= v, \
301 (ccb)->ccb_h.spriv_field0 |= ISP_SPRIV_ERRSET
302
303# define HBA_NOERROR CAM_REQ_INPROG
304# define HBA_BOTCH CAM_UNREC_HBA_ERROR
305# define HBA_CMDTIMEOUT CAM_CMD_TIMEOUT
306# define HBA_SELTIMEOUT CAM_SEL_TIMEOUT
307# define HBA_TGTBSY CAM_SCSI_STATUS_ERROR
308# define HBA_BUSRESET CAM_SCSI_BUS_RESET
309# define HBA_ABORTED CAM_REQ_ABORTED
310# define HBA_DATAOVR CAM_DATA_RUN_ERR
311# define HBA_ARQFAIL CAM_AUTOSENSE_FAIL
312
313
314#define XS_ERR(ccb) ((ccb)->ccb_h.status & CAM_STATUS_MASK)
315
316#define XS_NOERR(ccb) \
317 (((ccb)->ccb_h.spriv_field0 & ISP_SPRIV_ERRSET) == 0 || \
318 ((ccb)->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG)
319
320#define XS_INITERR(ccb) \
321 XS_SETERR(ccb, CAM_REQ_INPROG), (ccb)->ccb_h.spriv_field0 = 0
322
323#define XS_SAVE_SENSE(xs, sp) \
324 (xs)->ccb_h.status |= CAM_AUTOSNS_VALID, \
325 memcpy(&(xs)->sense_data, sp->req_sense_data, \
326 imin(XS_SNSLEN(xs), sp->req_sense_len))
327
328#define XS_SET_STATE_STAT(a, b, c)
329
330#define DEFAULT_IID(x) (isp)->isp_osinfo.default_id
331#define DEFAULT_LOOPID(x) (isp)->isp_osinfo.default_id
332#define DEFAULT_NODEWWN(isp) (isp)->isp_osinfo.default_node_wwn
333#define DEFAULT_PORTWWN(isp) (isp)->isp_osinfo.default_port_wwn
334#define ISP_NODEWWN(isp) FCPARAM(isp)->isp_nodewwn
335#define ISP_PORTWWN(isp) FCPARAM(isp)->isp_portwwn
336
337#if BYTE_ORDER == BIG_ENDIAN
338#ifdef ISP_SBUS_SUPPORTED
339#define ISP_IOXPUT_8(isp, s, d) *(d) = s
340#define ISP_IOXPUT_16(isp, s, d) \
341 *(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : bswap16(s)
342#define ISP_IOXPUT_32(isp, s, d) \
343 *(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : bswap32(s)
344#define ISP_IOXGET_8(isp, s, d) d = (*((uint8_t *)s))
345#define ISP_IOXGET_16(isp, s, d) \
346 d = (isp->isp_bustype == ISP_BT_SBUS)? \
347 *((uint16_t *)s) : bswap16(*((uint16_t *)s))
348#define ISP_IOXGET_32(isp, s, d) \
349 d = (isp->isp_bustype == ISP_BT_SBUS)? \
350 *((uint32_t *)s) : bswap32(*((uint32_t *)s))
351#else
352#define ISP_IOXPUT_8(isp, s, d) *(d) = s
353#define ISP_IOXPUT_16(isp, s, d) *(d) = bswap16(s)
354#define ISP_IOXPUT_32(isp, s, d) *(d) = bswap32(s)
355#define ISP_IOXGET_8(isp, s, d) d = (*((uint8_t *)s))
356#define ISP_IOXGET_16(isp, s, d) d = bswap16(*((uint16_t *)s))
357#define ISP_IOXGET_32(isp, s, d) d = bswap32(*((uint32_t *)s))
358#endif
359#define ISP_SWIZZLE_NVRAM_WORD(isp, rp) *rp = bswap16(*rp)
360#else
361#define ISP_IOXPUT_8(isp, s, d) *(d) = s
362#define ISP_IOXPUT_16(isp, s, d) *(d) = s
363#define ISP_IOXPUT_32(isp, s, d) *(d) = s
364#define ISP_IOXGET_8(isp, s, d) d = *(s)
365#define ISP_IOXGET_16(isp, s, d) d = *(s)
366#define ISP_IOXGET_32(isp, s, d) d = *(s)
367#define ISP_SWIZZLE_NVRAM_WORD(isp, rp)
368#endif
369
370/*
371 * Includes of common header files
372 */
373
374#include <dev/isp/ispreg.h>
375#include <dev/isp/ispvar.h>
376#include <dev/isp/ispmbox.h>
377
378#ifdef ISP_TARGET_MODE
379#include <dev/isp/isp_tpublic.h>
380#endif
381
382void isp_prt(ispsoftc_t *, int level, const char *, ...)
383 __printflike(3, 4);
384/*
385 * isp_osinfo definiitions && shorthand
386 */
387#define SIMQFRZ_RESOURCE 0x1
388#define SIMQFRZ_LOOPDOWN 0x2
389#define SIMQFRZ_TIMED 0x4
390
391#define isp_sim isp_osinfo.sim
392#define isp_path isp_osinfo.path
393#define isp_sim2 isp_osinfo.sim2
394#define isp_path2 isp_osinfo.path2
395#define isp_dev isp_osinfo.dev
396
397/*
398 * prototypes for isp_pci && isp_freebsd to share
399 */
400extern void isp_attach(ispsoftc_t *);
401extern void isp_uninit(ispsoftc_t *);
402
403/*
404 * driver global data
405 */
406extern int isp_announced;
407
408/*
409 * Platform private flags
410 */
411#define ISP_SPRIV_ERRSET 0x1
412#define ISP_SPRIV_INWDOG 0x2
413#define ISP_SPRIV_GRACE 0x4
414#define ISP_SPRIV_DONE 0x8
415
416#define XS_CMD_S_WDOG(sccb) (sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_INWDOG
417#define XS_CMD_C_WDOG(sccb) (sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_INWDOG
418#define XS_CMD_WDOG_P(sccb) ((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_INWDOG)
419
420#define XS_CMD_S_GRACE(sccb) (sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_GRACE
421#define XS_CMD_C_GRACE(sccb) (sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_GRACE
422#define XS_CMD_GRACE_P(sccb) ((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_GRACE)
423
424#define XS_CMD_S_DONE(sccb) (sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_DONE
425#define XS_CMD_C_DONE(sccb) (sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_DONE
426#define XS_CMD_DONE_P(sccb) ((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_DONE)
427
428#define XS_CMD_S_CLEAR(sccb) (sccb)->ccb_h.spriv_field0 = 0
429
430/*
431 * Platform specific inline functions
432 */
433
434static __inline void isp_mbox_wait_complete(ispsoftc_t *);
435static __inline void
436isp_mbox_wait_complete(ispsoftc_t *isp)
437{
438 if (isp->isp_osinfo.intsok) {
439 int lim = ((isp->isp_mbxwrk0)? 120 : 20) * hz;
440 isp->isp_osinfo.mboxwaiting = 1;
441#ifdef ISP_SMPLOCK
442 (void) msleep(&isp->isp_mbxworkp,
443 &isp->isp_lock, PRIBIO, "isp_mboxwaiting", lim);
444#else
445 (void) tsleep(&isp->isp_mbxworkp,
446 PRIBIO, "isp_mboxwaiting", lim);
447#endif
448 if (isp->isp_mboxbsy != 0) {
449 isp_prt(isp, ISP_LOGWARN,
450 "Interrupting Mailbox Command (0x%x) Timeout",
451 isp->isp_lastmbxcmd);
452 isp->isp_mboxbsy = 0;
453 }
454 isp->isp_osinfo.mboxwaiting = 0;
455 } else {
456 int lim = ((isp->isp_mbxwrk0)? 240 : 60) * 10000;
457 int j;
458 for (j = 0; j < lim; j++) {
459 uint16_t isr, sema, mbox;
460 if (isp->isp_mboxbsy == 0) {
461 break;
462 }
463 if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
464 isp_intr(isp, isr, sema, mbox);
465 if (isp->isp_mboxbsy == 0) {
466 break;
467 }
468 }
469 USEC_DELAY(500);
470 }
471 if (isp->isp_mboxbsy != 0) {
472 isp_prt(isp, ISP_LOGWARN,
473 "Polled Mailbox Command (0x%x) Timeout",
474 isp->isp_lastmbxcmd);
475 }
476 }
477}
478
479static __inline uint64_t nanotime_sub(struct timespec *, struct timespec *);
480static __inline uint64_t
481nanotime_sub(struct timespec *b, struct timespec *a)
482{
483 uint64_t elapsed;
484 struct timespec x = *b;
485 timespecsub(&x, a);
486 elapsed = GET_NANOSEC(&x);
487 if (elapsed == 0)
488 elapsed++;
489 return (elapsed);
490}
491
492static __inline char *strncat(char *, const char *, size_t);
493static __inline char *
494strncat(char *d, const char *s, size_t c)
495{
496 char *t = d;
497
498 if (c) {
499 while (*d)
500 d++;
501 while ((*d++ = *s++)) {
502 if (--c == 0) {
503 *d = '\0';
504 break;
505 }
506 }
507 }
508 return (t);
509}
510
511/*
512 * ISP Library functions
513 */
514
515#include <dev/isp/isp_library.h>
516
517#endif /* _ISP_FREEBSD_H */