ispvar.h revision 1.29 1 /* $NetBSD: ispvar.h,v 1.29 2000/02/12 02:29:00 mjacob Exp $ */
2 /*
3 * Copyright (C) 1999 National Aeronautics & Space Administration
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. 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 ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 /*
30 * Soft Definitions for for Qlogic ISP SCSI adapters.
31 * Matthew Jacob <mjacob (at) nas.nasa.gov>
32 */
33 #ifndef _ISPVAR_H
34 #define _ISPVAR_H
35
36 #if defined(__NetBSD__) || defined(__OpenBSD__)
37 #include <dev/ic/ispmbox.h>
38 #ifdef ISP_TARGET_MODE
39 #include <dev/ic/isp_target.h>
40 #include <dev/ic/isp_tpublic.h>
41 #endif
42 #endif
43 #ifdef __FreeBSD__
44 #include <dev/isp/ispmbox.h>
45 #ifdef ISP_TARGET_MODE
46 #include <dev/isp/isp_target.h>
47 #include <dev/isp/isp_tpublic.h>
48 #endif
49 #endif
50 #ifdef __linux__
51 #include "ispmbox.h"
52 #ifdef ISP_TARGET_MODE
53 #include "isp_target.h"
54 #include "isp_tpublic.h"
55 #endif
56 #endif
57
58 #define ISP_CORE_VERSION_MAJOR 1
59 #define ISP_CORE_VERSION_MINOR 12
60
61 /*
62 * Vector for bus specific code to provide specific services.
63 */
64 struct ispsoftc;
65 struct ispmdvec {
66 u_int16_t (*dv_rd_reg) __P((struct ispsoftc *, int));
67 void (*dv_wr_reg) __P((struct ispsoftc *, int, u_int16_t));
68 int (*dv_mbxdma) __P((struct ispsoftc *));
69 int (*dv_dmaset) __P((struct ispsoftc *,
70 ISP_SCSI_XFER_T *, ispreq_t *, u_int16_t *, u_int16_t));
71 void (*dv_dmaclr)
72 __P((struct ispsoftc *, ISP_SCSI_XFER_T *, u_int32_t));
73 void (*dv_reset0) __P((struct ispsoftc *));
74 void (*dv_reset1) __P((struct ispsoftc *));
75 void (*dv_dregs) __P((struct ispsoftc *));
76 const u_int16_t *dv_ispfw; /* ptr to f/w */
77 u_int16_t dv_fwlen; /* length of f/w */
78 u_int16_t dv_codeorg; /* code ORG for f/w */
79 u_int32_t dv_fwrev; /* f/w revision */
80 /*
81 * Initial values for conf1 register
82 */
83 u_int16_t dv_conf1;
84 u_int16_t dv_clock; /* clock frequency */
85 };
86
87 #define MAX_TARGETS 16
88 #ifdef ISP2100_FABRIC
89 #define MAX_FC_TARG 256
90 #else
91 #define MAX_FC_TARG 126
92 #endif
93
94 #define ISP_MAX_TARGETS(isp) (IS_FC(isp)? MAX_FC_TARG : MAX_TARGETS)
95 #ifdef ISP2100_SCCLUN
96 #define _ISP_FC_LUN(isp) 65536
97 #else
98 #define _ISP_FC_LUN(isp) 16
99 #endif
100 #define _ISP_SCSI_LUN(isp) \
101 ((ISP_FW_REVX(isp->isp_fwrev) >= ISP_FW_REV(7, 55, 0))? 32 : 8)
102 #define ISP_MAX_LUNS(isp) \
103 (IS_FC(isp)? _ISP_FC_LUN(isp) : _ISP_SCSI_LUN(isp))
104
105
106 /*
107 * Macros to read, write ISP registers through bus specific code.
108 */
109
110 #define ISP_READ(isp, reg) \
111 (*(isp)->isp_mdvec->dv_rd_reg)((isp), (reg))
112
113 #define ISP_WRITE(isp, reg, val) \
114 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), (val))
115
116 #define ISP_MBOXDMASETUP(isp) \
117 (*(isp)->isp_mdvec->dv_mbxdma)((isp))
118
119 #define ISP_DMASETUP(isp, xs, req, iptrp, optr) \
120 (*(isp)->isp_mdvec->dv_dmaset)((isp), (xs), (req), (iptrp), (optr))
121
122 #define ISP_DMAFREE(isp, xs, hndl) \
123 if ((isp)->isp_mdvec->dv_dmaclr) \
124 (*(isp)->isp_mdvec->dv_dmaclr)((isp), (xs), (hndl))
125
126 #define ISP_RESET0(isp) \
127 if ((isp)->isp_mdvec->dv_reset0) (*(isp)->isp_mdvec->dv_reset0)((isp))
128 #define ISP_RESET1(isp) \
129 if ((isp)->isp_mdvec->dv_reset1) (*(isp)->isp_mdvec->dv_reset1)((isp))
130 #define ISP_DUMPREGS(isp) \
131 if ((isp)->isp_mdvec->dv_dregs) (*(isp)->isp_mdvec->dv_dregs)((isp))
132
133 #define ISP_SETBITS(isp, reg, val) \
134 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) | (val))
135
136 #define ISP_CLRBITS(isp, reg, val) \
137 (*(isp)->isp_mdvec->dv_wr_reg)((isp), (reg), ISP_READ((isp), (reg)) & ~(val))
138
139 /* this is the size of a queue entry (request and response) */
140 #define QENTRY_LEN 64
141 /* both request and result queue length must be a power of two */
142 #define RQUEST_QUEUE_LEN MAXISPREQUEST
143 /* I've seen wierdnesses with the result queue < 64 */
144 #if MAXISPREQUEST > 64
145 #define RESULT_QUEUE_LEN (MAXISPREQUEST/2)
146 #else
147 #define RESULT_QUEUE_LEN MAXISPREQUEST
148 #endif
149 #define ISP_QUEUE_ENTRY(q, idx) ((q) + ((idx) * QENTRY_LEN))
150 #define ISP_QUEUE_SIZE(n) ((n) * QENTRY_LEN)
151 #define ISP_NXT_QENTRY(idx, qlen) (((idx) + 1) & ((qlen)-1))
152 #define ISP_QAVAIL(in, out, qlen) \
153 ((in == out)? (qlen - 1) : ((in > out)? \
154 ((qlen - 1) - (in - out)) : (out - in - 1)))
155
156 #define ISP_ADD_REQUEST(isp, iptr) \
157 ISP_WRITE(isp, INMAILBOX4, iptr), isp->isp_reqidx = iptr
158
159 /*
160 * SCSI Specific Host Adapter Parameters- per bus, per target
161 */
162
163 typedef struct {
164 u_int isp_gotdparms : 1,
165 isp_req_ack_active_neg : 1,
166 isp_data_line_active_neg: 1,
167 isp_cmd_dma_burst_enable: 1,
168 isp_data_dma_burst_enabl: 1,
169 isp_fifo_threshold : 3,
170 isp_ultramode : 1,
171 isp_diffmode : 1,
172 isp_lvdmode : 1,
173 : 1,
174 isp_initiator_id : 4,
175 isp_async_data_setup : 4;
176 u_int16_t isp_selection_timeout;
177 u_int16_t isp_max_queue_depth;
178 u_int8_t isp_tag_aging;
179 u_int8_t isp_bus_reset_delay;
180 u_int8_t isp_retry_count;
181 u_int8_t isp_retry_delay;
182 struct {
183 u_int dev_enable : 1, /* ignored */
184 : 1,
185 dev_update : 1,
186 dev_refresh : 1,
187 exc_throttle : 8,
188 cur_offset : 4,
189 sync_offset : 4;
190 u_int8_t cur_period; /* current sync period */
191 u_int8_t sync_period; /* goal sync period */
192 u_int16_t dev_flags; /* goal device flags */
193 u_int16_t cur_dflags; /* current device flags */
194 } isp_devparam[MAX_TARGETS];
195 } sdparam;
196
197 /*
198 * Device Flags
199 */
200 #define DPARM_DISC 0x8000
201 #define DPARM_PARITY 0x4000
202 #define DPARM_WIDE 0x2000
203 #define DPARM_SYNC 0x1000
204 #define DPARM_TQING 0x0800
205 #define DPARM_ARQ 0x0400
206 #define DPARM_QFRZ 0x0200
207 #define DPARM_RENEG 0x0100
208 #define DPARM_NARROW 0x0080 /* Possibly only available with >= 7.55 fw */
209 #define DPARM_ASYNC 0x0040 /* Possibly only available with >= 7.55 fw */
210 #define DPARM_DEFAULT (0xFF00 & ~DPARM_QFRZ)
211 #define DPARM_SAFE_DFLT (DPARM_DEFAULT & ~(DPARM_WIDE|DPARM_SYNC|DPARM_TQING))
212
213
214 /* technically, not really correct, as they need to be rated based upon clock */
215 #define ISP_40M_SYNCPARMS 0x080a
216 #define ISP_20M_SYNCPARMS 0x080c
217 #define ISP_10M_SYNCPARMS 0x0c19
218 #define ISP_08M_SYNCPARMS 0x0c25
219 #define ISP_05M_SYNCPARMS 0x0c32
220 #define ISP_04M_SYNCPARMS 0x0c41
221
222 /*
223 * Fibre Channel Specifics
224 */
225 #define FL_PORT_ID 0x7e /* FL_Port Special ID */
226 #define FC_PORT_ID 0x7f /* Fabric Controller Special ID */
227 #define FC_SNS_ID 0x80 /* SNS Server Special ID */
228
229 typedef struct {
230 u_int32_t isp_fwoptions : 16,
231 : 7,
232 loop_seen_once : 1,
233 isp_loopstate : 3, /* Current Loop State */
234 isp_fwstate : 3, /* ISP F/W state */
235 isp_gotdparms : 1,
236 isp_onfabric : 1;
237 u_int8_t isp_loopid; /* hard loop id */
238 u_int8_t isp_alpa; /* ALPA */
239 volatile u_int16_t isp_lipseq; /* LIP sequence # */
240 u_int32_t isp_portid;
241 u_int8_t isp_execthrottle;
242 u_int8_t isp_retry_delay;
243 u_int8_t isp_retry_count;
244 u_int8_t isp_reserved;
245 u_int16_t isp_maxalloc;
246 u_int16_t isp_maxfrmlen;
247 u_int64_t isp_nodewwn;
248 u_int64_t isp_portwwn;
249 /*
250 * Port Data Base. This is indexed by 'target', which is invariate.
251 * However, elements within can move around due to loop changes,
252 * so the actual loop ID passed to the F/W is in this structure.
253 * The first time the loop is seen up, loopid will match the index
254 * (except for fabric nodes which are above mapped above FC_SNS_ID
255 * and are completely virtual), but subsequent LIPs can cause things
256 * to move around.
257 */
258 struct lportdb {
259 u_int
260 loopid : 8,
261 : 4,
262 fabdev : 1,
263 roles : 2,
264 valid : 1;
265 u_int32_t portid;
266 u_int64_t node_wwn;
267 u_int64_t port_wwn;
268 } portdb[MAX_FC_TARG], tport[FL_PORT_ID];
269
270 /*
271 * Scratch DMA mapped in area to fetch Port Database stuff, etc.
272 */
273 caddr_t isp_scratch;
274 u_int32_t isp_scdma;
275 } fcparam;
276
277 #define FW_CONFIG_WAIT 0
278 #define FW_WAIT_AL_PA 1
279 #define FW_WAIT_LOGIN 2
280 #define FW_READY 3
281 #define FW_LOSS_OF_SYNC 4
282 #define FW_ERROR 5
283 #define FW_REINIT 6
284 #define FW_NON_PART 7
285
286 #define LOOP_NIL 0
287 #define LOOP_LIP_RCVD 1
288 #define LOOP_PDB_RCVD 2
289 #define LOOP_READY 7
290
291 /*
292 * Soft Structure per host adapter
293 */
294 struct ispsoftc {
295 /*
296 * Platform (OS) specific data
297 */
298 struct isposinfo isp_osinfo;
299
300 /*
301 * Pointer to bus specific functions and data
302 */
303 struct ispmdvec * isp_mdvec;
304
305 /*
306 * (Mostly) nonvolatile state. Board specific parameters
307 * may contain some volatile state (e.g., current loop state).
308 */
309
310 void * isp_param; /* type specific */
311 u_int16_t isp_fwrev[3]; /* Loaded F/W revision */
312 u_int16_t isp_romfw_rev[3]; /* PROM F/W revision */
313 u_int16_t isp_maxcmds; /* max possible I/O cmds */
314 u_int8_t isp_type; /* HBA Chip Type */
315 u_int8_t isp_revision; /* HBA Chip H/W Revision */
316
317 u_int32_t : 4,
318 isp_touched : 1, /* board ever seen? */
319 isp_fast_mttr : 1, /* fast sram */
320 isp_bustype : 1, /* SBus or PCI */
321 isp_dogactive : 1, /* watchdog running */
322 isp_dblev : 8, /* debug level */
323 isp_clock : 8, /* input clock */
324 isp_confopts : 8; /* config options */
325
326 /*
327 * Volatile state
328 */
329
330 volatile u_int32_t : 9,
331 isp_state : 3,
332 isp_sendmarker : 2, /* send a marker entry */
333 isp_update : 2, /* update parameters */
334 isp_nactive : 16; /* how many commands active */
335
336 volatile u_int16_t isp_reqodx; /* index of last ISP pickup */
337 volatile u_int16_t isp_reqidx; /* index of next request */
338 volatile u_int16_t isp_residx; /* index of next result */
339 volatile u_int16_t isp_lasthdls; /* last handle seed */
340
341 /*
342 * Active commands are stored here, indexed by handle functions.
343 */
344 ISP_SCSI_XFER_T **isp_xflist;
345
346 /*
347 * request/result queue pointers and dma handles for them.
348 */
349 caddr_t isp_rquest;
350 caddr_t isp_result;
351 u_int32_t isp_rquest_dma;
352 u_int32_t isp_result_dma;
353 };
354
355 #define SDPARAM(isp) ((sdparam *) (isp)->isp_param)
356 #define FCPARAM(isp) ((fcparam *) (isp)->isp_param)
357
358 /*
359 * ISP States
360 */
361 #define ISP_NILSTATE 0
362 #define ISP_RESETSTATE 1
363 #define ISP_INITSTATE 2
364 #define ISP_RUNSTATE 3
365
366 /*
367 * ISP Configuration Options
368 */
369 #define ISP_CFG_NORELOAD 0x80 /* don't download f/w */
370 #define ISP_CFG_NONVRAM 0x40 /* ignore NVRAM */
371 #define ISP_CFG_FULL_DUPLEX 0x01 /* Full Duplex (Fibre Channel only) */
372 #define ISP_CFG_OWNWWN 0x02 /* override NVRAM wwn */
373 #define ISP_CFG_NPORT 0x04 /* try to force N- instead of L-Port */
374
375 #define ISP_FW_REV(maj, min, mic) ((maj << 24) | (min << 16) | mic)
376 #define ISP_FW_REVX(xp) ((xp[0]<<24) | (xp[1] << 16) | xp[2])
377
378 /*
379 * Bus (implementation) types
380 */
381 #define ISP_BT_PCI 0 /* PCI Implementations */
382 #define ISP_BT_SBUS 1 /* SBus Implementations */
383
384 /*
385 * Chip Types
386 */
387 #define ISP_HA_SCSI 0xf
388 #define ISP_HA_SCSI_UNKNOWN 0x1
389 #define ISP_HA_SCSI_1020 0x2
390 #define ISP_HA_SCSI_1020A 0x3
391 #define ISP_HA_SCSI_1040 0x4
392 #define ISP_HA_SCSI_1040A 0x5
393 #define ISP_HA_SCSI_1040B 0x6
394 #define ISP_HA_SCSI_1040C 0x7
395 #define ISP_HA_SCSI_1240 0x8
396 #define ISP_HA_SCSI_1080 0x9
397 #define ISP_HA_SCSI_1280 0xa
398 #define ISP_HA_SCSI_12160 0xb
399 #define ISP_HA_FC 0xf0
400 #define ISP_HA_FC_2100 0x10
401 #define ISP_HA_FC_2200 0x20
402
403 #define IS_SCSI(isp) (isp->isp_type & ISP_HA_SCSI)
404 #define IS_1240(isp) (isp->isp_type == ISP_HA_SCSI_1240)
405 #define IS_1080(isp) (isp->isp_type == ISP_HA_SCSI_1080)
406 #define IS_1280(isp) (isp->isp_type == ISP_HA_SCSI_1280)
407 #define IS_12160(isp) (isp->isp_type == ISP_HA_SCSI_12160)
408
409 #define IS_12X0(isp) (IS_1240(isp) || IS_1280(isp))
410 #define IS_DUALBUS(isp) (IS_12X0(isp) || IS_12160(isp))
411 #define IS_ULTRA2(isp) (IS_1080(isp) || IS_1280(isp) || IS_12160(isp))
412 #define IS_ULTRA3(isp) (IS_12160(isp))
413
414 #define IS_FC(isp) (isp->isp_type & ISP_HA_FC)
415 #define IS_2100(isp) (isp->isp_type == ISP_HA_FC_2100)
416 #define IS_2200(isp) (isp->isp_type == ISP_HA_FC_2200)
417
418
419 /*
420 * Function Prototypes
421 */
422
423 /*
424 * Reset Hardware. Totally. Assumes that you'll follow this with
425 * a call to isp_init.
426 */
427 void isp_reset __P((struct ispsoftc *));
428
429 /*
430 * Initialize Hardware to known state
431 */
432 void isp_init __P((struct ispsoftc *));
433
434 /*
435 * Reset the ISP and call completion for any orphaned commands.
436 */
437 void isp_restart __P((struct ispsoftc *));
438
439 /*
440 * Interrupt Service Routine
441 */
442 int isp_intr __P((void *));
443
444 /*
445 * Command Entry Point
446 */
447 int32_t ispscsicmd __P((ISP_SCSI_XFER_T *));
448
449 /*
450 * Platform Dependent to External to Internal Control Function
451 *
452 * Assumes all locks are held and that no reentrancy issues need be dealt with.
453 *
454 */
455 typedef enum {
456 ISPCTL_RESET_BUS, /* Reset Bus */
457 ISPCTL_RESET_DEV, /* Reset Device */
458 ISPCTL_ABORT_CMD, /* Abort Command */
459 ISPCTL_UPDATE_PARAMS, /* Update Operating Parameters */
460 ISPCTL_FCLINK_TEST, /* Test FC Link Status */
461 ISPCTL_PDB_SYNC, /* Synchronize Port Database */
462 ISPCTL_TOGGLE_TMODE /* toggle target mode */
463 } ispctl_t;
464 int isp_control __P((struct ispsoftc *, ispctl_t, void *));
465
466
467 /*
468 * Platform Dependent to Internal to External Control Function
469 * (each platform must provide such a function)
470 *
471 * Assumes all locks are held and that no reentrancy issues need be dealt with.
472 *
473 */
474
475 typedef enum {
476 ISPASYNC_NEW_TGT_PARAMS,
477 ISPASYNC_BUS_RESET, /* Bus Was Reset */
478 ISPASYNC_LOOP_DOWN, /* FC Loop Down */
479 ISPASYNC_LOOP_UP, /* FC Loop Up */
480 ISPASYNC_PDB_CHANGED, /* FC Port Data Base Changed */
481 ISPASYNC_CHANGE_NOTIFY, /* FC SNS Change Notification */
482 ISPASYNC_FABRIC_DEV, /* FC New Fabric Device */
483 ISPASYNC_TARGET_MESSAGE, /* target message */
484 ISPASYNC_TARGET_EVENT, /* target asynchronous event */
485 ISPASYNC_TARGET_ACTION /* other target command action */
486 } ispasync_t;
487 int isp_async __P((struct ispsoftc *, ispasync_t, void *));
488
489 /*
490 * lost command routine (XXXX IN TRANSITION XXXX)
491 */
492 void isp_lostcmd __P((struct ispsoftc *, ISP_SCSI_XFER_T *));
493
494 #endif /* _ISPVAR_H */
495