]> CyberLeo.Net >> Repos - FreeBSD/FreeBSD.git/blob - sys/dev/isp/isp_pci.c
Improvements around attach, reset and detach.
[FreeBSD/FreeBSD.git] / sys / dev / isp / isp_pci.c
1 /*-
2  * Copyright (c) 1997-2008 by Matthew Jacob
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice immediately at the beginning of the file, without modification,
10  *    this list of conditions, and the following disclaimer.
11  * 2. The name of the author may not be used to endorse or promote products
12  *    derived from this software without specific prior written permission.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
18  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 /*
27  * PCI specific probe and attach routines for Qlogic ISP SCSI adapters.
28  * FreeBSD Version.
29  */
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/kernel.h>
36 #include <sys/module.h>
37 #include <sys/linker.h>
38 #include <sys/firmware.h>
39 #include <sys/bus.h>
40 #include <sys/stdint.h>
41 #include <dev/pci/pcireg.h>
42 #include <dev/pci/pcivar.h>
43 #include <machine/bus.h>
44 #include <machine/resource.h>
45 #include <sys/rman.h>
46 #include <sys/malloc.h>
47 #include <sys/uio.h>
48
49 #ifdef __sparc64__
50 #include <dev/ofw/openfirm.h>
51 #include <machine/ofw_machdep.h>
52 #endif
53
54 #include <dev/isp/isp_freebsd.h>
55
56 static uint32_t isp_pci_rd_reg(ispsoftc_t *, int);
57 static void isp_pci_wr_reg(ispsoftc_t *, int, uint32_t);
58 static uint32_t isp_pci_rd_reg_1080(ispsoftc_t *, int);
59 static void isp_pci_wr_reg_1080(ispsoftc_t *, int, uint32_t);
60 static uint32_t isp_pci_rd_reg_2400(ispsoftc_t *, int);
61 static void isp_pci_wr_reg_2400(ispsoftc_t *, int, uint32_t);
62 static uint32_t isp_pci_rd_reg_2600(ispsoftc_t *, int);
63 static void isp_pci_wr_reg_2600(ispsoftc_t *, int, uint32_t);
64 static int isp_pci_rd_isr(ispsoftc_t *, uint16_t *, uint16_t *, uint16_t *);
65 static int isp_pci_rd_isr_2300(ispsoftc_t *, uint16_t *, uint16_t *, uint16_t *);
66 static int isp_pci_rd_isr_2400(ispsoftc_t *, uint16_t *, uint16_t *, uint16_t *);
67 static int isp_pci_mbxdma(ispsoftc_t *);
68 static void isp_pci_mbxdmafree(ispsoftc_t *);
69 static int isp_pci_dmasetup(ispsoftc_t *, XS_T *, void *);
70 static int isp_pci_irqsetup(ispsoftc_t *);
71 static void isp_pci_dumpregs(ispsoftc_t *, const char *);
72
73 static struct ispmdvec mdvec = {
74         isp_pci_rd_isr,
75         isp_pci_rd_reg,
76         isp_pci_wr_reg,
77         isp_pci_mbxdma,
78         isp_pci_dmasetup,
79         isp_common_dmateardown,
80         isp_pci_irqsetup,
81         isp_pci_dumpregs,
82         NULL,
83         BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
84 };
85
86 static struct ispmdvec mdvec_1080 = {
87         isp_pci_rd_isr,
88         isp_pci_rd_reg_1080,
89         isp_pci_wr_reg_1080,
90         isp_pci_mbxdma,
91         isp_pci_dmasetup,
92         isp_common_dmateardown,
93         isp_pci_irqsetup,
94         isp_pci_dumpregs,
95         NULL,
96         BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
97 };
98
99 static struct ispmdvec mdvec_12160 = {
100         isp_pci_rd_isr,
101         isp_pci_rd_reg_1080,
102         isp_pci_wr_reg_1080,
103         isp_pci_mbxdma,
104         isp_pci_dmasetup,
105         isp_common_dmateardown,
106         isp_pci_irqsetup,
107         isp_pci_dumpregs,
108         NULL,
109         BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
110 };
111
112 static struct ispmdvec mdvec_2100 = {
113         isp_pci_rd_isr,
114         isp_pci_rd_reg,
115         isp_pci_wr_reg,
116         isp_pci_mbxdma,
117         isp_pci_dmasetup,
118         isp_common_dmateardown,
119         isp_pci_irqsetup,
120         isp_pci_dumpregs
121 };
122
123 static struct ispmdvec mdvec_2200 = {
124         isp_pci_rd_isr,
125         isp_pci_rd_reg,
126         isp_pci_wr_reg,
127         isp_pci_mbxdma,
128         isp_pci_dmasetup,
129         isp_common_dmateardown,
130         isp_pci_irqsetup,
131         isp_pci_dumpregs
132 };
133
134 static struct ispmdvec mdvec_2300 = {
135         isp_pci_rd_isr_2300,
136         isp_pci_rd_reg,
137         isp_pci_wr_reg,
138         isp_pci_mbxdma,
139         isp_pci_dmasetup,
140         isp_common_dmateardown,
141         isp_pci_irqsetup,
142         isp_pci_dumpregs
143 };
144
145 static struct ispmdvec mdvec_2400 = {
146         isp_pci_rd_isr_2400,
147         isp_pci_rd_reg_2400,
148         isp_pci_wr_reg_2400,
149         isp_pci_mbxdma,
150         isp_pci_dmasetup,
151         isp_common_dmateardown,
152         isp_pci_irqsetup,
153         NULL
154 };
155
156 static struct ispmdvec mdvec_2500 = {
157         isp_pci_rd_isr_2400,
158         isp_pci_rd_reg_2400,
159         isp_pci_wr_reg_2400,
160         isp_pci_mbxdma,
161         isp_pci_dmasetup,
162         isp_common_dmateardown,
163         isp_pci_irqsetup,
164         NULL
165 };
166
167 static struct ispmdvec mdvec_2600 = {
168         isp_pci_rd_isr_2400,
169         isp_pci_rd_reg_2600,
170         isp_pci_wr_reg_2600,
171         isp_pci_mbxdma,
172         isp_pci_dmasetup,
173         isp_common_dmateardown,
174         isp_pci_irqsetup,
175         NULL
176 };
177
178 #ifndef PCIM_CMD_INVEN
179 #define PCIM_CMD_INVEN                  0x10
180 #endif
181 #ifndef PCIM_CMD_BUSMASTEREN
182 #define PCIM_CMD_BUSMASTEREN            0x0004
183 #endif
184 #ifndef PCIM_CMD_PERRESPEN
185 #define PCIM_CMD_PERRESPEN              0x0040
186 #endif
187 #ifndef PCIM_CMD_SEREN
188 #define PCIM_CMD_SEREN                  0x0100
189 #endif
190 #ifndef PCIM_CMD_INTX_DISABLE
191 #define PCIM_CMD_INTX_DISABLE           0x0400
192 #endif
193
194 #ifndef PCIR_COMMAND
195 #define PCIR_COMMAND                    0x04
196 #endif
197
198 #ifndef PCIR_CACHELNSZ
199 #define PCIR_CACHELNSZ                  0x0c
200 #endif
201
202 #ifndef PCIR_LATTIMER
203 #define PCIR_LATTIMER                   0x0d
204 #endif
205
206 #ifndef PCIR_ROMADDR
207 #define PCIR_ROMADDR                    0x30
208 #endif
209
210 #ifndef PCI_VENDOR_QLOGIC
211 #define PCI_VENDOR_QLOGIC               0x1077
212 #endif
213
214 #ifndef PCI_PRODUCT_QLOGIC_ISP1020
215 #define PCI_PRODUCT_QLOGIC_ISP1020      0x1020
216 #endif
217
218 #ifndef PCI_PRODUCT_QLOGIC_ISP1080
219 #define PCI_PRODUCT_QLOGIC_ISP1080      0x1080
220 #endif
221
222 #ifndef PCI_PRODUCT_QLOGIC_ISP10160
223 #define PCI_PRODUCT_QLOGIC_ISP10160     0x1016
224 #endif
225
226 #ifndef PCI_PRODUCT_QLOGIC_ISP12160
227 #define PCI_PRODUCT_QLOGIC_ISP12160     0x1216
228 #endif
229
230 #ifndef PCI_PRODUCT_QLOGIC_ISP1240
231 #define PCI_PRODUCT_QLOGIC_ISP1240      0x1240
232 #endif
233
234 #ifndef PCI_PRODUCT_QLOGIC_ISP1280
235 #define PCI_PRODUCT_QLOGIC_ISP1280      0x1280
236 #endif
237
238 #ifndef PCI_PRODUCT_QLOGIC_ISP2100
239 #define PCI_PRODUCT_QLOGIC_ISP2100      0x2100
240 #endif
241
242 #ifndef PCI_PRODUCT_QLOGIC_ISP2200
243 #define PCI_PRODUCT_QLOGIC_ISP2200      0x2200
244 #endif
245
246 #ifndef PCI_PRODUCT_QLOGIC_ISP2300
247 #define PCI_PRODUCT_QLOGIC_ISP2300      0x2300
248 #endif
249
250 #ifndef PCI_PRODUCT_QLOGIC_ISP2312
251 #define PCI_PRODUCT_QLOGIC_ISP2312      0x2312
252 #endif
253
254 #ifndef PCI_PRODUCT_QLOGIC_ISP2322
255 #define PCI_PRODUCT_QLOGIC_ISP2322      0x2322
256 #endif
257
258 #ifndef PCI_PRODUCT_QLOGIC_ISP2422
259 #define PCI_PRODUCT_QLOGIC_ISP2422      0x2422
260 #endif
261
262 #ifndef PCI_PRODUCT_QLOGIC_ISP2432
263 #define PCI_PRODUCT_QLOGIC_ISP2432      0x2432
264 #endif
265
266 #ifndef PCI_PRODUCT_QLOGIC_ISP2532
267 #define PCI_PRODUCT_QLOGIC_ISP2532      0x2532
268 #endif
269
270 #ifndef PCI_PRODUCT_QLOGIC_ISP6312
271 #define PCI_PRODUCT_QLOGIC_ISP6312      0x6312
272 #endif
273
274 #ifndef PCI_PRODUCT_QLOGIC_ISP6322
275 #define PCI_PRODUCT_QLOGIC_ISP6322      0x6322
276 #endif
277
278 #ifndef        PCI_PRODUCT_QLOGIC_ISP5432
279 #define        PCI_PRODUCT_QLOGIC_ISP5432      0x5432
280 #endif
281
282 #ifndef PCI_PRODUCT_QLOGIC_ISP2031
283 #define PCI_PRODUCT_QLOGIC_ISP2031      0x2031
284 #endif
285
286 #ifndef PCI_PRODUCT_QLOGIC_ISP8031
287 #define PCI_PRODUCT_QLOGIC_ISP8031      0x8031
288 #endif
289
290 #define        PCI_QLOGIC_ISP5432      \
291        ((PCI_PRODUCT_QLOGIC_ISP5432 << 16) | PCI_VENDOR_QLOGIC)
292
293 #define PCI_QLOGIC_ISP1020      \
294         ((PCI_PRODUCT_QLOGIC_ISP1020 << 16) | PCI_VENDOR_QLOGIC)
295
296 #define PCI_QLOGIC_ISP1080      \
297         ((PCI_PRODUCT_QLOGIC_ISP1080 << 16) | PCI_VENDOR_QLOGIC)
298
299 #define PCI_QLOGIC_ISP10160     \
300         ((PCI_PRODUCT_QLOGIC_ISP10160 << 16) | PCI_VENDOR_QLOGIC)
301
302 #define PCI_QLOGIC_ISP12160     \
303         ((PCI_PRODUCT_QLOGIC_ISP12160 << 16) | PCI_VENDOR_QLOGIC)
304
305 #define PCI_QLOGIC_ISP1240      \
306         ((PCI_PRODUCT_QLOGIC_ISP1240 << 16) | PCI_VENDOR_QLOGIC)
307
308 #define PCI_QLOGIC_ISP1280      \
309         ((PCI_PRODUCT_QLOGIC_ISP1280 << 16) | PCI_VENDOR_QLOGIC)
310
311 #define PCI_QLOGIC_ISP2100      \
312         ((PCI_PRODUCT_QLOGIC_ISP2100 << 16) | PCI_VENDOR_QLOGIC)
313
314 #define PCI_QLOGIC_ISP2200      \
315         ((PCI_PRODUCT_QLOGIC_ISP2200 << 16) | PCI_VENDOR_QLOGIC)
316
317 #define PCI_QLOGIC_ISP2300      \
318         ((PCI_PRODUCT_QLOGIC_ISP2300 << 16) | PCI_VENDOR_QLOGIC)
319
320 #define PCI_QLOGIC_ISP2312      \
321         ((PCI_PRODUCT_QLOGIC_ISP2312 << 16) | PCI_VENDOR_QLOGIC)
322
323 #define PCI_QLOGIC_ISP2322      \
324         ((PCI_PRODUCT_QLOGIC_ISP2322 << 16) | PCI_VENDOR_QLOGIC)
325
326 #define PCI_QLOGIC_ISP2422      \
327         ((PCI_PRODUCT_QLOGIC_ISP2422 << 16) | PCI_VENDOR_QLOGIC)
328
329 #define PCI_QLOGIC_ISP2432      \
330         ((PCI_PRODUCT_QLOGIC_ISP2432 << 16) | PCI_VENDOR_QLOGIC)
331
332 #define PCI_QLOGIC_ISP2532      \
333         ((PCI_PRODUCT_QLOGIC_ISP2532 << 16) | PCI_VENDOR_QLOGIC)
334
335 #define PCI_QLOGIC_ISP6312      \
336         ((PCI_PRODUCT_QLOGIC_ISP6312 << 16) | PCI_VENDOR_QLOGIC)
337
338 #define PCI_QLOGIC_ISP6322      \
339         ((PCI_PRODUCT_QLOGIC_ISP6322 << 16) | PCI_VENDOR_QLOGIC)
340
341 #define PCI_QLOGIC_ISP2031      \
342         ((PCI_PRODUCT_QLOGIC_ISP2031 << 16) | PCI_VENDOR_QLOGIC)
343
344 #define PCI_QLOGIC_ISP8031      \
345         ((PCI_PRODUCT_QLOGIC_ISP8031 << 16) | PCI_VENDOR_QLOGIC)
346
347 /*
348  * Odd case for some AMI raid cards... We need to *not* attach to this.
349  */
350 #define AMI_RAID_SUBVENDOR_ID   0x101e
351
352 #define PCI_DFLT_LTNCY  0x40
353 #define PCI_DFLT_LNSZ   0x10
354
355 static int isp_pci_probe (device_t);
356 static int isp_pci_attach (device_t);
357 static int isp_pci_detach (device_t);
358
359
360 #define ISP_PCD(isp)    ((struct isp_pcisoftc *)isp)->pci_dev
361 struct isp_pcisoftc {
362         ispsoftc_t                      pci_isp;
363         device_t                        pci_dev;
364         struct resource *               regs;
365         struct resource *               regs1;
366         struct resource *               regs2;
367         void *                          irq;
368         int                             iqd;
369         int                             rtp;
370         int                             rgd;
371         int                             rtp1;
372         int                             rgd1;
373         int                             rtp2;
374         int                             rgd2;
375         void *                          ih;
376         int16_t                         pci_poff[_NREG_BLKS];
377         bus_dma_tag_t                   dmat;
378         int                             msicount;
379 };
380
381
382 static device_method_t isp_pci_methods[] = {
383         /* Device interface */
384         DEVMETHOD(device_probe,         isp_pci_probe),
385         DEVMETHOD(device_attach,        isp_pci_attach),
386         DEVMETHOD(device_detach,        isp_pci_detach),
387         { 0, 0 }
388 };
389
390 static driver_t isp_pci_driver = {
391         "isp", isp_pci_methods, sizeof (struct isp_pcisoftc)
392 };
393 static devclass_t isp_devclass;
394 DRIVER_MODULE(isp, pci, isp_pci_driver, isp_devclass, 0, 0);
395 MODULE_DEPEND(isp, cam, 1, 1, 1);
396 MODULE_DEPEND(isp, firmware, 1, 1, 1);
397 static int isp_nvports = 0;
398
399 static int
400 isp_pci_probe(device_t dev)
401 {
402         switch ((pci_get_device(dev) << 16) | (pci_get_vendor(dev))) {
403         case PCI_QLOGIC_ISP1020:
404                 device_set_desc(dev, "Qlogic ISP 1020/1040 PCI SCSI Adapter");
405                 break;
406         case PCI_QLOGIC_ISP1080:
407                 device_set_desc(dev, "Qlogic ISP 1080 PCI SCSI Adapter");
408                 break;
409         case PCI_QLOGIC_ISP1240:
410                 device_set_desc(dev, "Qlogic ISP 1240 PCI SCSI Adapter");
411                 break;
412         case PCI_QLOGIC_ISP1280:
413                 device_set_desc(dev, "Qlogic ISP 1280 PCI SCSI Adapter");
414                 break;
415         case PCI_QLOGIC_ISP10160:
416                 device_set_desc(dev, "Qlogic ISP 10160 PCI SCSI Adapter");
417                 break;
418         case PCI_QLOGIC_ISP12160:
419                 if (pci_get_subvendor(dev) == AMI_RAID_SUBVENDOR_ID) {
420                         return (ENXIO);
421                 }
422                 device_set_desc(dev, "Qlogic ISP 12160 PCI SCSI Adapter");
423                 break;
424         case PCI_QLOGIC_ISP2100:
425                 device_set_desc(dev, "Qlogic ISP 2100 PCI FC-AL Adapter");
426                 break;
427         case PCI_QLOGIC_ISP2200:
428                 device_set_desc(dev, "Qlogic ISP 2200 PCI FC-AL Adapter");
429                 break;
430         case PCI_QLOGIC_ISP2300:
431                 device_set_desc(dev, "Qlogic ISP 2300 PCI FC-AL Adapter");
432                 break;
433         case PCI_QLOGIC_ISP2312:
434                 device_set_desc(dev, "Qlogic ISP 2312 PCI FC-AL Adapter");
435                 break;
436         case PCI_QLOGIC_ISP2322:
437                 device_set_desc(dev, "Qlogic ISP 2322 PCI FC-AL Adapter");
438                 break;
439         case PCI_QLOGIC_ISP2422:
440                 device_set_desc(dev, "Qlogic ISP 2422 PCI FC-AL Adapter");
441                 break;
442         case PCI_QLOGIC_ISP2432:
443                 device_set_desc(dev, "Qlogic ISP 2432 PCI FC-AL Adapter");
444                 break;
445         case PCI_QLOGIC_ISP2532:
446                 device_set_desc(dev, "Qlogic ISP 2532 PCI FC-AL Adapter");
447                 break;
448         case PCI_QLOGIC_ISP5432:
449                 device_set_desc(dev, "Qlogic ISP 5432 PCI FC-AL Adapter");
450                 break;
451         case PCI_QLOGIC_ISP6312:
452                 device_set_desc(dev, "Qlogic ISP 6312 PCI FC-AL Adapter");
453                 break;
454         case PCI_QLOGIC_ISP6322:
455                 device_set_desc(dev, "Qlogic ISP 6322 PCI FC-AL Adapter");
456                 break;
457         case PCI_QLOGIC_ISP2031:
458                 device_set_desc(dev, "Qlogic ISP 2031 PCI FC-AL Adapter");
459                 break;
460         case PCI_QLOGIC_ISP8031:
461                 device_set_desc(dev, "Qlogic ISP 8031 PCI FCoE Adapter");
462                 break;
463         default:
464                 return (ENXIO);
465         }
466         if (isp_announced == 0 && bootverbose) {
467                 printf("Qlogic ISP Driver, FreeBSD Version %d.%d, "
468                     "Core Version %d.%d\n",
469                     ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
470                     ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
471                 isp_announced++;
472         }
473         /*
474          * XXXX: Here is where we might load the f/w module
475          * XXXX: (or increase a reference count to it).
476          */
477         return (BUS_PROBE_DEFAULT);
478 }
479
480 static void
481 isp_get_generic_options(device_t dev, ispsoftc_t *isp)
482 {
483         int tval;
484
485         tval = 0;
486         if (resource_int_value(device_get_name(dev), device_get_unit(dev), "fwload_disable", &tval) == 0 && tval != 0) {
487                 isp->isp_confopts |= ISP_CFG_NORELOAD;
488         }
489         tval = 0;
490         if (resource_int_value(device_get_name(dev), device_get_unit(dev), "ignore_nvram", &tval) == 0 && tval != 0) {
491                 isp->isp_confopts |= ISP_CFG_NONVRAM;
492         }
493         tval = 0;
494         (void) resource_int_value(device_get_name(dev), device_get_unit(dev), "debug", &tval);
495         if (tval) {
496                 isp->isp_dblev = tval;
497         } else {
498                 isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
499         }
500         if (bootverbose) {
501                 isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
502         }
503         tval = -1;
504         (void) resource_int_value(device_get_name(dev), device_get_unit(dev), "vports", &tval);
505         if (tval > 0 && tval <= 254) {
506                 isp_nvports = tval;
507         }
508         tval = 7;
509         (void) resource_int_value(device_get_name(dev), device_get_unit(dev), "quickboot_time", &tval);
510         isp_quickboot_time = tval;
511 }
512
513 static void
514 isp_get_specific_options(device_t dev, int chan, ispsoftc_t *isp)
515 {
516         const char *sptr;
517         int tval = 0;
518         char prefix[12], name[16];
519
520         if (chan == 0)
521                 prefix[0] = 0;
522         else
523                 snprintf(prefix, sizeof(prefix), "chan%d.", chan);
524         snprintf(name, sizeof(name), "%siid", prefix);
525         if (resource_int_value(device_get_name(dev), device_get_unit(dev),
526             name, &tval)) {
527                 if (IS_FC(isp)) {
528                         ISP_FC_PC(isp, chan)->default_id = 109 - chan;
529                 } else {
530 #ifdef __sparc64__
531                         ISP_SPI_PC(isp, chan)->iid = OF_getscsinitid(dev);
532 #else
533                         ISP_SPI_PC(isp, chan)->iid = 7;
534 #endif
535                 }
536         } else {
537                 if (IS_FC(isp)) {
538                         ISP_FC_PC(isp, chan)->default_id = tval - chan;
539                 } else {
540                         ISP_SPI_PC(isp, chan)->iid = tval;
541                 }
542                 isp->isp_confopts |= ISP_CFG_OWNLOOPID;
543         }
544
545         if (IS_SCSI(isp))
546                 return;
547
548         tval = -1;
549         snprintf(name, sizeof(name), "%srole", prefix);
550         if (resource_int_value(device_get_name(dev), device_get_unit(dev),
551             name, &tval) == 0) {
552                 switch (tval) {
553                 case ISP_ROLE_NONE:
554                 case ISP_ROLE_INITIATOR:
555                 case ISP_ROLE_TARGET:
556                 case ISP_ROLE_BOTH:
557                         device_printf(dev, "Chan %d setting role to 0x%x\n", chan, tval);
558                         break;
559                 default:
560                         tval = -1;
561                         break;
562                 }
563         }
564         if (tval == -1) {
565                 tval = ISP_DEFAULT_ROLES;
566         }
567         ISP_FC_PC(isp, chan)->def_role = tval;
568
569         tval = 0;
570         snprintf(name, sizeof(name), "%sfullduplex", prefix);
571         if (resource_int_value(device_get_name(dev), device_get_unit(dev),
572             name, &tval) == 0 && tval != 0) {
573                 isp->isp_confopts |= ISP_CFG_FULL_DUPLEX;
574         }
575         sptr = NULL;
576         snprintf(name, sizeof(name), "%stopology", prefix);
577         if (resource_string_value(device_get_name(dev), device_get_unit(dev),
578             name, (const char **) &sptr) == 0 && sptr != NULL) {
579                 if (strcmp(sptr, "lport") == 0) {
580                         isp->isp_confopts |= ISP_CFG_LPORT;
581                 } else if (strcmp(sptr, "nport") == 0) {
582                         isp->isp_confopts |= ISP_CFG_NPORT;
583                 } else if (strcmp(sptr, "lport-only") == 0) {
584                         isp->isp_confopts |= ISP_CFG_LPORT_ONLY;
585                 } else if (strcmp(sptr, "nport-only") == 0) {
586                         isp->isp_confopts |= ISP_CFG_NPORT_ONLY;
587                 }
588         }
589
590 #ifdef ISP_FCTAPE_OFF
591         isp->isp_confopts |= ISP_CFG_NOFCTAPE;
592 #else
593         isp->isp_confopts |= ISP_CFG_FCTAPE;
594 #endif
595
596         tval = 0;
597         snprintf(name, sizeof(name), "%snofctape", prefix);
598         (void) resource_int_value(device_get_name(dev), device_get_unit(dev),
599             name, &tval);
600         if (tval) {
601                 isp->isp_confopts &= ~ISP_CFG_FCTAPE;
602                 isp->isp_confopts |= ISP_CFG_NOFCTAPE;
603         }
604
605         tval = 0;
606         snprintf(name, sizeof(name), "%sfctape", prefix);
607         (void) resource_int_value(device_get_name(dev), device_get_unit(dev),
608             name, &tval);
609         if (tval) {
610                 isp->isp_confopts &= ~ISP_CFG_NOFCTAPE;
611                 isp->isp_confopts |= ISP_CFG_FCTAPE;
612         }
613
614
615         /*
616          * Because the resource_*_value functions can neither return
617          * 64 bit integer values, nor can they be directly coerced
618          * to interpret the right hand side of the assignment as
619          * you want them to interpret it, we have to force WWN
620          * hint replacement to specify WWN strings with a leading
621          * 'w' (e..g w50000000aaaa0001). Sigh.
622          */
623         sptr = NULL;
624         snprintf(name, sizeof(name), "%sportwwn", prefix);
625         tval = resource_string_value(device_get_name(dev), device_get_unit(dev),
626             name, (const char **) &sptr);
627         if (tval == 0 && sptr != NULL && *sptr++ == 'w') {
628                 char *eptr = NULL;
629                 ISP_FC_PC(isp, chan)->def_wwpn = strtouq(sptr, &eptr, 16);
630                 if (eptr < sptr + 16 || ISP_FC_PC(isp, chan)->def_wwpn == -1) {
631                         device_printf(dev, "mangled portwwn hint '%s'\n", sptr);
632                         ISP_FC_PC(isp, chan)->def_wwpn = 0;
633                 }
634         }
635
636         sptr = NULL;
637         snprintf(name, sizeof(name), "%snodewwn", prefix);
638         tval = resource_string_value(device_get_name(dev), device_get_unit(dev),
639             name, (const char **) &sptr);
640         if (tval == 0 && sptr != NULL && *sptr++ == 'w') {
641                 char *eptr = NULL;
642                 ISP_FC_PC(isp, chan)->def_wwnn = strtouq(sptr, &eptr, 16);
643                 if (eptr < sptr + 16 || ISP_FC_PC(isp, chan)->def_wwnn == 0) {
644                         device_printf(dev, "mangled nodewwn hint '%s'\n", sptr);
645                         ISP_FC_PC(isp, chan)->def_wwnn = 0;
646                 }
647         }
648
649         tval = -1;
650         snprintf(name, sizeof(name), "%sloop_down_limit", prefix);
651         (void) resource_int_value(device_get_name(dev), device_get_unit(dev),
652             name, &tval);
653         if (tval >= 0 && tval < 0xffff) {
654                 ISP_FC_PC(isp, chan)->loop_down_limit = tval;
655         } else {
656                 ISP_FC_PC(isp, chan)->loop_down_limit = isp_loop_down_limit;
657         }
658
659         tval = -1;
660         snprintf(name, sizeof(name), "%sgone_device_time", prefix);
661         (void) resource_int_value(device_get_name(dev), device_get_unit(dev),
662             name, &tval);
663         if (tval >= 0 && tval < 0xffff) {
664                 ISP_FC_PC(isp, chan)->gone_device_time = tval;
665         } else {
666                 ISP_FC_PC(isp, chan)->gone_device_time = isp_gone_device_time;
667         }
668 }
669
670 static int
671 isp_pci_attach(device_t dev)
672 {
673         struct isp_pcisoftc *pcs = device_get_softc(dev);
674         ispsoftc_t *isp = &pcs->pci_isp;
675         int i;
676         uint32_t data, cmd, linesz, did;
677         size_t psize, xsize;
678         char fwname[32];
679
680         pcs->pci_dev = dev;
681         isp->isp_dev = dev;
682         isp->isp_nchan = 1;
683         if (sizeof (bus_addr_t) > 4)
684                 isp->isp_osinfo.sixtyfourbit = 1;
685         mtx_init(&isp->isp_osinfo.lock, "isp", NULL, MTX_DEF);
686
687         /*
688          * Get Generic Options
689          */
690         isp_nvports = 0;
691         isp_get_generic_options(dev, isp);
692
693         linesz = PCI_DFLT_LNSZ;
694         pcs->irq = pcs->regs = pcs->regs2 = NULL;
695         pcs->rgd = pcs->rtp = pcs->iqd = 0;
696
697         pcs->pci_dev = dev;
698         pcs->pci_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
699         pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS_OFF;
700         pcs->pci_poff[SXP_BLOCK >> _BLK_REG_SHFT] = PCI_SXP_REGS_OFF;
701         pcs->pci_poff[RISC_BLOCK >> _BLK_REG_SHFT] = PCI_RISC_REGS_OFF;
702         pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
703
704         switch (pci_get_devid(dev)) {
705         case PCI_QLOGIC_ISP1020:
706                 did = 0x1040;
707                 isp->isp_mdvec = &mdvec;
708                 isp->isp_type = ISP_HA_SCSI_UNKNOWN;
709                 break;
710         case PCI_QLOGIC_ISP1080:
711                 did = 0x1080;
712                 isp->isp_mdvec = &mdvec_1080;
713                 isp->isp_type = ISP_HA_SCSI_1080;
714                 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
715                 break;
716         case PCI_QLOGIC_ISP1240:
717                 did = 0x1080;
718                 isp->isp_mdvec = &mdvec_1080;
719                 isp->isp_type = ISP_HA_SCSI_1240;
720                 isp->isp_nchan = 2;
721                 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
722                 break;
723         case PCI_QLOGIC_ISP1280:
724                 did = 0x1080;
725                 isp->isp_mdvec = &mdvec_1080;
726                 isp->isp_type = ISP_HA_SCSI_1280;
727                 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
728                 break;
729         case PCI_QLOGIC_ISP10160:
730                 did = 0x12160;
731                 isp->isp_mdvec = &mdvec_12160;
732                 isp->isp_type = ISP_HA_SCSI_10160;
733                 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
734                 break;
735         case PCI_QLOGIC_ISP12160:
736                 did = 0x12160;
737                 isp->isp_nchan = 2;
738                 isp->isp_mdvec = &mdvec_12160;
739                 isp->isp_type = ISP_HA_SCSI_12160;
740                 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
741                 break;
742         case PCI_QLOGIC_ISP2100:
743                 did = 0x2100;
744                 isp->isp_mdvec = &mdvec_2100;
745                 isp->isp_type = ISP_HA_FC_2100;
746                 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF;
747                 if (pci_get_revid(dev) < 3) {
748                         /*
749                          * XXX: Need to get the actual revision
750                          * XXX: number of the 2100 FB. At any rate,
751                          * XXX: lower cache line size for early revision
752                          * XXX; boards.
753                          */
754                         linesz = 1;
755                 }
756                 break;
757         case PCI_QLOGIC_ISP2200:
758                 did = 0x2200;
759                 isp->isp_mdvec = &mdvec_2200;
760                 isp->isp_type = ISP_HA_FC_2200;
761                 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF;
762                 break;
763         case PCI_QLOGIC_ISP2300:
764                 did = 0x2300;
765                 isp->isp_mdvec = &mdvec_2300;
766                 isp->isp_type = ISP_HA_FC_2300;
767                 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
768                 break;
769         case PCI_QLOGIC_ISP2312:
770         case PCI_QLOGIC_ISP6312:
771                 did = 0x2300;
772                 isp->isp_mdvec = &mdvec_2300;
773                 isp->isp_type = ISP_HA_FC_2312;
774                 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
775                 break;
776         case PCI_QLOGIC_ISP2322:
777         case PCI_QLOGIC_ISP6322:
778                 did = 0x2322;
779                 isp->isp_mdvec = &mdvec_2300;
780                 isp->isp_type = ISP_HA_FC_2322;
781                 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
782                 break;
783         case PCI_QLOGIC_ISP2422:
784         case PCI_QLOGIC_ISP2432:
785                 did = 0x2400;
786                 isp->isp_nchan += isp_nvports;
787                 isp->isp_mdvec = &mdvec_2400;
788                 isp->isp_type = ISP_HA_FC_2400;
789                 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
790                 break;
791         case PCI_QLOGIC_ISP2532:
792                 did = 0x2500;
793                 isp->isp_nchan += isp_nvports;
794                 isp->isp_mdvec = &mdvec_2500;
795                 isp->isp_type = ISP_HA_FC_2500;
796                 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
797                 break;
798         case PCI_QLOGIC_ISP5432:
799                 did = 0x2500;
800                 isp->isp_mdvec = &mdvec_2500;
801                 isp->isp_type = ISP_HA_FC_2500;
802                 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
803                 break;
804         case PCI_QLOGIC_ISP2031:
805         case PCI_QLOGIC_ISP8031:
806                 did = 0x2600;
807                 isp->isp_nchan += isp_nvports;
808                 isp->isp_mdvec = &mdvec_2600;
809                 isp->isp_type = ISP_HA_FC_2600;
810                 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
811                 break;
812         default:
813                 device_printf(dev, "unknown device type\n");
814                 goto bad;
815                 break;
816         }
817         isp->isp_revision = pci_get_revid(dev);
818
819         if (IS_26XX(isp)) {
820                 pcs->rtp = SYS_RES_MEMORY;
821                 pcs->rgd = PCIR_BAR(0);
822                 pcs->regs = bus_alloc_resource_any(dev, pcs->rtp, &pcs->rgd,
823                     RF_ACTIVE);
824                 pcs->rtp1 = SYS_RES_MEMORY;
825                 pcs->rgd1 = PCIR_BAR(2);
826                 pcs->regs1 = bus_alloc_resource_any(dev, pcs->rtp1, &pcs->rgd1,
827                     RF_ACTIVE);
828                 pcs->rtp2 = SYS_RES_MEMORY;
829                 pcs->rgd2 = PCIR_BAR(4);
830                 pcs->regs2 = bus_alloc_resource_any(dev, pcs->rtp2, &pcs->rgd2,
831                     RF_ACTIVE);
832         } else {
833                 pcs->rtp = SYS_RES_MEMORY;
834                 pcs->rgd = PCIR_BAR(1);
835                 pcs->regs = bus_alloc_resource_any(dev, pcs->rtp, &pcs->rgd,
836                     RF_ACTIVE);
837                 if (pcs->regs == NULL) {
838                         pcs->rtp = SYS_RES_IOPORT;
839                         pcs->rgd = PCIR_BAR(0);
840                         pcs->regs = bus_alloc_resource_any(dev, pcs->rtp,
841                             &pcs->rgd, RF_ACTIVE);
842                 }
843         }
844         if (pcs->regs == NULL) {
845                 device_printf(dev, "Unable to map any ports\n");
846                 goto bad;
847         }
848         if (bootverbose) {
849                 device_printf(dev, "Using %s space register mapping\n",
850                     (pcs->rtp == SYS_RES_IOPORT)? "I/O" : "Memory");
851         }
852         isp->isp_regs = pcs->regs;
853         isp->isp_regs2 = pcs->regs2;
854
855         if (IS_FC(isp)) {
856                 psize = sizeof (fcparam);
857                 xsize = sizeof (struct isp_fc);
858         } else {
859                 psize = sizeof (sdparam);
860                 xsize = sizeof (struct isp_spi);
861         }
862         psize *= isp->isp_nchan;
863         xsize *= isp->isp_nchan;
864         isp->isp_param = malloc(psize, M_DEVBUF, M_NOWAIT | M_ZERO);
865         if (isp->isp_param == NULL) {
866                 device_printf(dev, "cannot allocate parameter data\n");
867                 goto bad;
868         }
869         isp->isp_osinfo.pc.ptr = malloc(xsize, M_DEVBUF, M_NOWAIT | M_ZERO);
870         if (isp->isp_osinfo.pc.ptr == NULL) {
871                 device_printf(dev, "cannot allocate parameter data\n");
872                 goto bad;
873         }
874
875         /*
876          * Now that we know who we are (roughly) get/set specific options
877          */
878         for (i = 0; i < isp->isp_nchan; i++) {
879                 isp_get_specific_options(dev, i, isp);
880         }
881
882         isp->isp_osinfo.fw = NULL;
883         if (isp->isp_osinfo.fw == NULL) {
884                 snprintf(fwname, sizeof (fwname), "isp_%04x", did);
885                 isp->isp_osinfo.fw = firmware_get(fwname);
886         }
887         if (isp->isp_osinfo.fw != NULL) {
888                 isp_prt(isp, ISP_LOGCONFIG, "loaded firmware %s", fwname);
889                 isp->isp_mdvec->dv_ispfw = isp->isp_osinfo.fw->data;
890         }
891
892         /*
893          * Make sure that SERR, PERR, WRITE INVALIDATE and BUSMASTER are set.
894          */
895         cmd = pci_read_config(dev, PCIR_COMMAND, 2);
896         cmd |= PCIM_CMD_SEREN | PCIM_CMD_PERRESPEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_INVEN;
897         if (IS_2300(isp)) {     /* per QLogic errata */
898                 cmd &= ~PCIM_CMD_INVEN;
899         }
900         if (IS_2322(isp) || pci_get_devid(dev) == PCI_QLOGIC_ISP6312) {
901                 cmd &= ~PCIM_CMD_INTX_DISABLE;
902         }
903         if (IS_24XX(isp)) {
904                 cmd &= ~PCIM_CMD_INTX_DISABLE;
905         }
906         pci_write_config(dev, PCIR_COMMAND, cmd, 2);
907
908         /*
909          * Make sure the Cache Line Size register is set sensibly.
910          */
911         data = pci_read_config(dev, PCIR_CACHELNSZ, 1);
912         if (data == 0 || (linesz != PCI_DFLT_LNSZ && data != linesz)) {
913                 isp_prt(isp, ISP_LOGDEBUG0, "set PCI line size to %d from %d", linesz, data);
914                 data = linesz;
915                 pci_write_config(dev, PCIR_CACHELNSZ, data, 1);
916         }
917
918         /*
919          * Make sure the Latency Timer is sane.
920          */
921         data = pci_read_config(dev, PCIR_LATTIMER, 1);
922         if (data < PCI_DFLT_LTNCY) {
923                 data = PCI_DFLT_LTNCY;
924                 isp_prt(isp, ISP_LOGDEBUG0, "set PCI latency to %d", data);
925                 pci_write_config(dev, PCIR_LATTIMER, data, 1);
926         }
927
928         /*
929          * Make sure we've disabled the ROM.
930          */
931         data = pci_read_config(dev, PCIR_ROMADDR, 4);
932         data &= ~1;
933         pci_write_config(dev, PCIR_ROMADDR, data, 4);
934
935         if (IS_26XX(isp)) {
936                 /* 26XX chips support only MSI-X, so start from them. */
937                 pcs->msicount = imin(pci_msix_count(dev), 1);
938                 if (pcs->msicount > 0 &&
939                     (i = pci_alloc_msix(dev, &pcs->msicount)) == 0) {
940                         pcs->iqd = 1;
941                 } else {
942                         pcs->msicount = 0;
943                 }
944         }
945         if (pcs->msicount == 0 && (IS_24XX(isp) || IS_2322(isp))) {
946                 /*
947                  * Older chips support both MSI and MSI-X, but I have
948                  * feeling that older firmware may not support MSI-X,
949                  * but we have no way to check the firmware flag here.
950                  */
951                 pcs->msicount = imin(pci_msi_count(dev), 1);
952                 if (pcs->msicount > 0 &&
953                     pci_alloc_msi(dev, &pcs->msicount) == 0) {
954                         pcs->iqd = 1;
955                 } else {
956                         pcs->msicount = 0;
957                 }
958         }
959         pcs->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &pcs->iqd, RF_ACTIVE | RF_SHAREABLE);
960         if (pcs->irq == NULL) {
961                 device_printf(dev, "could not allocate interrupt\n");
962                 goto bad;
963         }
964
965         if (isp_setup_intr(dev, pcs->irq, ISP_IFLAGS, NULL, isp_platform_intr, isp, &pcs->ih)) {
966                 device_printf(dev, "could not setup interrupt\n");
967                 goto bad;
968         }
969
970         /*
971          * Last minute checks...
972          */
973         if (IS_23XX(isp) || IS_24XX(isp)) {
974                 isp->isp_port = pci_get_function(dev);
975         }
976
977         /*
978          * Make sure we're in reset state.
979          */
980         ISP_LOCK(isp);
981         if (isp_reinit(isp, 1) != 0) {
982                 ISP_UNLOCK(isp);
983                 goto bad;
984         }
985         ISP_UNLOCK(isp);
986         if (isp_attach(isp)) {
987                 ISP_LOCK(isp);
988                 isp_shutdown(isp);
989                 ISP_UNLOCK(isp);
990                 goto bad;
991         }
992         return (0);
993
994 bad:
995         if (pcs->ih) {
996                 (void) bus_teardown_intr(dev, pcs->irq, pcs->ih);
997         }
998         if (pcs->irq) {
999                 (void) bus_release_resource(dev, SYS_RES_IRQ, pcs->iqd, pcs->irq);
1000         }
1001         if (pcs->msicount) {
1002                 pci_release_msi(dev);
1003         }
1004         if (pcs->regs)
1005                 (void) bus_release_resource(dev, pcs->rtp, pcs->rgd, pcs->regs);
1006         if (pcs->regs1)
1007                 (void) bus_release_resource(dev, pcs->rtp1, pcs->rgd1, pcs->regs1);
1008         if (pcs->regs2)
1009                 (void) bus_release_resource(dev, pcs->rtp2, pcs->rgd2, pcs->regs2);
1010         if (pcs->pci_isp.isp_param) {
1011                 free(pcs->pci_isp.isp_param, M_DEVBUF);
1012                 pcs->pci_isp.isp_param = NULL;
1013         }
1014         if (pcs->pci_isp.isp_osinfo.pc.ptr) {
1015                 free(pcs->pci_isp.isp_osinfo.pc.ptr, M_DEVBUF);
1016                 pcs->pci_isp.isp_osinfo.pc.ptr = NULL;
1017         }
1018         mtx_destroy(&isp->isp_osinfo.lock);
1019         return (ENXIO);
1020 }
1021
1022 static int
1023 isp_pci_detach(device_t dev)
1024 {
1025         struct isp_pcisoftc *pcs = device_get_softc(dev);
1026         ispsoftc_t *isp = &pcs->pci_isp;
1027         int status;
1028
1029         status = isp_detach(isp);
1030         if (status)
1031                 return (status);
1032         ISP_LOCK(isp);
1033         isp_shutdown(isp);
1034         ISP_UNLOCK(isp);
1035         if (pcs->ih)
1036                 (void) bus_teardown_intr(dev, pcs->irq, pcs->ih);
1037         (void) bus_release_resource(dev, SYS_RES_IRQ, pcs->iqd, pcs->irq);
1038         if (pcs->msicount)
1039                 pci_release_msi(dev);
1040         (void) bus_release_resource(dev, pcs->rtp, pcs->rgd, pcs->regs);
1041         if (pcs->regs1)
1042                 (void) bus_release_resource(dev, pcs->rtp1, pcs->rgd1, pcs->regs1);
1043         if (pcs->regs2)
1044                 (void) bus_release_resource(dev, pcs->rtp2, pcs->rgd2, pcs->regs2);
1045         isp_pci_mbxdmafree(isp);
1046         if (pcs->pci_isp.isp_param) {
1047                 free(pcs->pci_isp.isp_param, M_DEVBUF);
1048                 pcs->pci_isp.isp_param = NULL;
1049         }
1050         if (pcs->pci_isp.isp_osinfo.pc.ptr) {
1051                 free(pcs->pci_isp.isp_osinfo.pc.ptr, M_DEVBUF);
1052                 pcs->pci_isp.isp_osinfo.pc.ptr = NULL;
1053         }
1054         mtx_destroy(&isp->isp_osinfo.lock);
1055         return (0);
1056 }
1057
1058 #define IspVirt2Off(a, x)       \
1059         (((struct isp_pcisoftc *)a)->pci_poff[((x) & _BLK_REG_MASK) >> \
1060         _BLK_REG_SHFT] + ((x) & 0xfff))
1061
1062 #define BXR2(isp, off)          bus_read_2((isp)->isp_regs, (off))
1063 #define BXW2(isp, off, v)       bus_write_2((isp)->isp_regs, (off), (v))
1064 #define BXR4(isp, off)          bus_read_4((isp)->isp_regs, (off))
1065 #define BXW4(isp, off, v)       bus_write_4((isp)->isp_regs, (off), (v))
1066 #define B2R4(isp, off)          bus_read_4((isp)->isp_regs2, (off))
1067 #define B2W4(isp, off, v)       bus_write_4((isp)->isp_regs2, (off), (v))
1068
1069 static ISP_INLINE int
1070 isp_pci_rd_debounced(ispsoftc_t *isp, int off, uint16_t *rp)
1071 {
1072         uint32_t val0, val1;
1073         int i = 0;
1074
1075         do {
1076                 val0 = BXR2(isp, IspVirt2Off(isp, off));
1077                 val1 = BXR2(isp, IspVirt2Off(isp, off));
1078         } while (val0 != val1 && ++i < 1000);
1079         if (val0 != val1) {
1080                 return (1);
1081         }
1082         *rp = val0;
1083         return (0);
1084 }
1085
1086 static int
1087 isp_pci_rd_isr(ispsoftc_t *isp, uint16_t *isrp, uint16_t *semap, uint16_t *info)
1088 {
1089         uint16_t isr, sema;
1090
1091         if (IS_2100(isp)) {
1092                 if (isp_pci_rd_debounced(isp, BIU_ISR, &isr)) {
1093                     return (0);
1094                 }
1095                 if (isp_pci_rd_debounced(isp, BIU_SEMA, &sema)) {
1096                     return (0);
1097                 }
1098         } else {
1099                 isr = BXR2(isp, IspVirt2Off(isp, BIU_ISR));
1100                 sema = BXR2(isp, IspVirt2Off(isp, BIU_SEMA));
1101         }
1102         isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema);
1103         isr &= INT_PENDING_MASK(isp);
1104         sema &= BIU_SEMA_LOCK;
1105         if (isr == 0 && sema == 0) {
1106                 return (0);
1107         }
1108         *isrp = isr;
1109         if ((*semap = sema) != 0) {
1110                 if (IS_2100(isp)) {
1111                         if (isp_pci_rd_debounced(isp, OUTMAILBOX0, info)) {
1112                                 return (0);
1113                         }
1114                 } else {
1115                         *info = BXR2(isp, IspVirt2Off(isp, OUTMAILBOX0));
1116                 }
1117         }
1118         return (1);
1119 }
1120
1121 static int
1122 isp_pci_rd_isr_2300(ispsoftc_t *isp, uint16_t *isrp, uint16_t *semap, uint16_t *info)
1123 {
1124         uint32_t hccr, r2hisr;
1125
1126         if (!(BXR2(isp, IspVirt2Off(isp, BIU_ISR) & BIU2100_ISR_RISC_INT))) {
1127                 *isrp = 0;
1128                 return (0);
1129         }
1130         r2hisr = BXR4(isp, IspVirt2Off(isp, BIU_R2HSTSLO));
1131         isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr);
1132         if ((r2hisr & BIU_R2HST_INTR) == 0) {
1133                 *isrp = 0;
1134                 return (0);
1135         }
1136         switch ((*isrp = r2hisr & BIU_R2HST_ISTAT_MASK)) {
1137         case ISPR2HST_ROM_MBX_OK:
1138         case ISPR2HST_ROM_MBX_FAIL:
1139         case ISPR2HST_MBX_OK:
1140         case ISPR2HST_MBX_FAIL:
1141         case ISPR2HST_ASYNC_EVENT:
1142                 *semap = 1;
1143                 break;
1144         case ISPR2HST_RIO_16:
1145                 *info = ASYNC_RIO16_1;
1146                 *semap = 1;
1147                 return (1);
1148         case ISPR2HST_FPOST:
1149                 *info = ASYNC_CMD_CMPLT;
1150                 *semap = 1;
1151                 return (1);
1152         case ISPR2HST_FPOST_CTIO:
1153                 *info = ASYNC_CTIO_DONE;
1154                 *semap = 1;
1155                 return (1);
1156         case ISPR2HST_RSPQ_UPDATE:
1157                 *semap = 0;
1158                 break;
1159         default:
1160                 hccr = ISP_READ(isp, HCCR);
1161                 if (hccr & HCCR_PAUSE) {
1162                         ISP_WRITE(isp, HCCR, HCCR_RESET);
1163                         isp_prt(isp, ISP_LOGERR, "RISC paused at interrupt (%x->%x)", hccr, ISP_READ(isp, HCCR));
1164                         ISP_WRITE(isp, BIU_ICR, 0);
1165                 } else {
1166                         isp_prt(isp, ISP_LOGERR, "unknown interrupt 0x%x\n", r2hisr);
1167                 }
1168                 return (0);
1169         }
1170         *info = (r2hisr >> 16);
1171         return (1);
1172 }
1173
1174 static int
1175 isp_pci_rd_isr_2400(ispsoftc_t *isp, uint16_t *isrp, uint16_t *semap, uint16_t *info)
1176 {
1177         uint32_t r2hisr;
1178
1179         r2hisr = BXR4(isp, IspVirt2Off(isp, BIU2400_R2HSTSLO));
1180         isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr);
1181         if ((r2hisr & BIU_R2HST_INTR) == 0) {
1182                 *isrp = 0;
1183                 return (0);
1184         }
1185         switch ((*isrp = r2hisr & BIU_R2HST_ISTAT_MASK)) {
1186         case ISPR2HST_ROM_MBX_OK:
1187         case ISPR2HST_ROM_MBX_FAIL:
1188         case ISPR2HST_MBX_OK:
1189         case ISPR2HST_MBX_FAIL:
1190         case ISPR2HST_ASYNC_EVENT:
1191                 *semap = 1;
1192                 break;
1193         case ISPR2HST_RSPQ_UPDATE:
1194         case ISPR2HST_RSPQ_UPDATE2:
1195         case ISPR2HST_ATIO_UPDATE:
1196         case ISPR2HST_ATIO_RSPQ_UPDATE:
1197         case ISPR2HST_ATIO_UPDATE2:
1198                 *semap = 0;
1199                 break;
1200         default:
1201                 ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT);
1202                 isp_prt(isp, ISP_LOGERR, "unknown interrupt 0x%x\n", r2hisr);
1203                 return (0);
1204         }
1205         *info = (r2hisr >> 16);
1206         return (1);
1207 }
1208
1209 static uint32_t
1210 isp_pci_rd_reg(ispsoftc_t *isp, int regoff)
1211 {
1212         uint16_t rv;
1213         int oldconf = 0;
1214
1215         if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1216                 /*
1217                  * We will assume that someone has paused the RISC processor.
1218                  */
1219                 oldconf = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1220                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf | BIU_PCI_CONF1_SXP);
1221                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1222         }
1223         rv = BXR2(isp, IspVirt2Off(isp, regoff));
1224         if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1225                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf);
1226                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1227         }
1228         return (rv);
1229 }
1230
1231 static void
1232 isp_pci_wr_reg(ispsoftc_t *isp, int regoff, uint32_t val)
1233 {
1234         int oldconf = 0;
1235
1236         if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1237                 /*
1238                  * We will assume that someone has paused the RISC processor.
1239                  */
1240                 oldconf = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1241                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1),
1242                     oldconf | BIU_PCI_CONF1_SXP);
1243                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1244         }
1245         BXW2(isp, IspVirt2Off(isp, regoff), val);
1246         MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2, -1);
1247         if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1248                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf);
1249                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1250         }
1251
1252 }
1253
1254 static uint32_t
1255 isp_pci_rd_reg_1080(ispsoftc_t *isp, int regoff)
1256 {
1257         uint32_t rv, oc = 0;
1258
1259         if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1260                 uint32_t tc;
1261                 /*
1262                  * We will assume that someone has paused the RISC processor.
1263                  */
1264                 oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1265                 tc = oc & ~BIU_PCI1080_CONF1_DMA;
1266                 if (regoff & SXP_BANK1_SELECT)
1267                         tc |= BIU_PCI1080_CONF1_SXP1;
1268                 else
1269                         tc |= BIU_PCI1080_CONF1_SXP0;
1270                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1), tc);
1271                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1272         } else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
1273                 oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1274                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1), 
1275                     oc | BIU_PCI1080_CONF1_DMA);
1276                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1277         }
1278         rv = BXR2(isp, IspVirt2Off(isp, regoff));
1279         if (oc) {
1280                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oc);
1281                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1282         }
1283         return (rv);
1284 }
1285
1286 static void
1287 isp_pci_wr_reg_1080(ispsoftc_t *isp, int regoff, uint32_t val)
1288 {
1289         int oc = 0;
1290
1291         if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1292                 uint32_t tc;
1293                 /*
1294                  * We will assume that someone has paused the RISC processor.
1295                  */
1296                 oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1297                 tc = oc & ~BIU_PCI1080_CONF1_DMA;
1298                 if (regoff & SXP_BANK1_SELECT)
1299                         tc |= BIU_PCI1080_CONF1_SXP1;
1300                 else
1301                         tc |= BIU_PCI1080_CONF1_SXP0;
1302                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1), tc);
1303                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1304         } else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
1305                 oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1306                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1), 
1307                     oc | BIU_PCI1080_CONF1_DMA);
1308                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1309         }
1310         BXW2(isp, IspVirt2Off(isp, regoff), val);
1311         MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2, -1);
1312         if (oc) {
1313                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oc);
1314                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1315         }
1316 }
1317
1318 static uint32_t
1319 isp_pci_rd_reg_2400(ispsoftc_t *isp, int regoff)
1320 {
1321         uint32_t rv;
1322         int block = regoff & _BLK_REG_MASK;
1323
1324         switch (block) {
1325         case BIU_BLOCK:
1326                 break;
1327         case MBOX_BLOCK:
1328                 return (BXR2(isp, IspVirt2Off(isp, regoff)));
1329         case SXP_BLOCK:
1330                 isp_prt(isp, ISP_LOGERR, "SXP_BLOCK read at 0x%x", regoff);
1331                 return (0xffffffff);
1332         case RISC_BLOCK:
1333                 isp_prt(isp, ISP_LOGERR, "RISC_BLOCK read at 0x%x", regoff);
1334                 return (0xffffffff);
1335         case DMA_BLOCK:
1336                 isp_prt(isp, ISP_LOGERR, "DMA_BLOCK read at 0x%x", regoff);
1337                 return (0xffffffff);
1338         default:
1339                 isp_prt(isp, ISP_LOGERR, "unknown block read at 0x%x", regoff);
1340                 return (0xffffffff);
1341         }
1342
1343         switch (regoff) {
1344         case BIU2400_FLASH_ADDR:
1345         case BIU2400_FLASH_DATA:
1346         case BIU2400_ICR:
1347         case BIU2400_ISR:
1348         case BIU2400_CSR:
1349         case BIU2400_REQINP:
1350         case BIU2400_REQOUTP:
1351         case BIU2400_RSPINP:
1352         case BIU2400_RSPOUTP:
1353         case BIU2400_PRI_REQINP:
1354         case BIU2400_PRI_REQOUTP:
1355         case BIU2400_ATIO_RSPINP:
1356         case BIU2400_ATIO_RSPOUTP:
1357         case BIU2400_HCCR:
1358         case BIU2400_GPIOD:
1359         case BIU2400_GPIOE:
1360         case BIU2400_HSEMA:
1361                 rv = BXR4(isp, IspVirt2Off(isp, regoff));
1362                 break;
1363         case BIU2400_R2HSTSLO:
1364                 rv = BXR4(isp, IspVirt2Off(isp, regoff));
1365                 break;
1366         case BIU2400_R2HSTSHI:
1367                 rv = BXR4(isp, IspVirt2Off(isp, regoff)) >> 16;
1368                 break;
1369         default:
1370                 isp_prt(isp, ISP_LOGERR, "unknown register read at 0x%x",
1371                     regoff);
1372                 rv = 0xffffffff;
1373                 break;
1374         }
1375         return (rv);
1376 }
1377
1378 static void
1379 isp_pci_wr_reg_2400(ispsoftc_t *isp, int regoff, uint32_t val)
1380 {
1381         int block = regoff & _BLK_REG_MASK;
1382
1383         switch (block) {
1384         case BIU_BLOCK:
1385                 break;
1386         case MBOX_BLOCK:
1387                 BXW2(isp, IspVirt2Off(isp, regoff), val);
1388                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2, -1);
1389                 return;
1390         case SXP_BLOCK:
1391                 isp_prt(isp, ISP_LOGERR, "SXP_BLOCK write at 0x%x", regoff);
1392                 return;
1393         case RISC_BLOCK:
1394                 isp_prt(isp, ISP_LOGERR, "RISC_BLOCK write at 0x%x", regoff);
1395                 return;
1396         case DMA_BLOCK:
1397                 isp_prt(isp, ISP_LOGERR, "DMA_BLOCK write at 0x%x", regoff);
1398                 return;
1399         default:
1400                 isp_prt(isp, ISP_LOGERR, "unknown block write at 0x%x", regoff);
1401                 break;
1402         }
1403
1404         switch (regoff) {
1405         case BIU2400_FLASH_ADDR:
1406         case BIU2400_FLASH_DATA:
1407         case BIU2400_ICR:
1408         case BIU2400_ISR:
1409         case BIU2400_CSR:
1410         case BIU2400_REQINP:
1411         case BIU2400_REQOUTP:
1412         case BIU2400_RSPINP:
1413         case BIU2400_RSPOUTP:
1414         case BIU2400_PRI_REQINP:
1415         case BIU2400_PRI_REQOUTP:
1416         case BIU2400_ATIO_RSPINP:
1417         case BIU2400_ATIO_RSPOUTP:
1418         case BIU2400_HCCR:
1419         case BIU2400_GPIOD:
1420         case BIU2400_GPIOE:
1421         case BIU2400_HSEMA:
1422                 BXW4(isp, IspVirt2Off(isp, regoff), val);
1423 #ifdef MEMORYBARRIERW
1424                 if (regoff == BIU2400_REQINP ||
1425                     regoff == BIU2400_RSPOUTP ||
1426                     regoff == BIU2400_PRI_REQINP ||
1427                     regoff == BIU2400_ATIO_RSPOUTP)
1428                         MEMORYBARRIERW(isp, SYNC_REG,
1429                             IspVirt2Off(isp, regoff), 4, -1)
1430                 else
1431 #endif
1432                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 4, -1);
1433                 break;
1434         default:
1435                 isp_prt(isp, ISP_LOGERR, "unknown register write at 0x%x",
1436                     regoff);
1437                 break;
1438         }
1439 }
1440
1441 static uint32_t
1442 isp_pci_rd_reg_2600(ispsoftc_t *isp, int regoff)
1443 {
1444         uint32_t rv;
1445
1446         switch (regoff) {
1447         case BIU2400_PRI_REQINP:
1448         case BIU2400_PRI_REQOUTP:
1449                 isp_prt(isp, ISP_LOGERR, "unknown register read at 0x%x",
1450                     regoff);
1451                 rv = 0xffffffff;
1452                 break;
1453         case BIU2400_REQINP:
1454                 rv = B2R4(isp, 0x00);
1455                 break;
1456         case BIU2400_REQOUTP:
1457                 rv = B2R4(isp, 0x04);
1458                 break;
1459         case BIU2400_RSPINP:
1460                 rv = B2R4(isp, 0x08);
1461                 break;
1462         case BIU2400_RSPOUTP:
1463                 rv = B2R4(isp, 0x0c);
1464                 break;
1465         case BIU2400_ATIO_RSPINP:
1466                 rv = B2R4(isp, 0x10);
1467                 break;
1468         case BIU2400_ATIO_RSPOUTP:
1469                 rv = B2R4(isp, 0x14);
1470                 break;
1471         default:
1472                 rv = isp_pci_rd_reg_2400(isp, regoff);
1473                 break;
1474         }
1475         return (rv);
1476 }
1477
1478 static void
1479 isp_pci_wr_reg_2600(ispsoftc_t *isp, int regoff, uint32_t val)
1480 {
1481         int off;
1482
1483         switch (regoff) {
1484         case BIU2400_PRI_REQINP:
1485         case BIU2400_PRI_REQOUTP:
1486                 isp_prt(isp, ISP_LOGERR, "unknown register write at 0x%x",
1487                     regoff);
1488                 return;
1489         case BIU2400_REQINP:
1490                 off = 0x00;
1491                 break;
1492         case BIU2400_REQOUTP:
1493                 off = 0x04;
1494                 break;
1495         case BIU2400_RSPINP:
1496                 off = 0x08;
1497                 break;
1498         case BIU2400_RSPOUTP:
1499                 off = 0x0c;
1500                 break;
1501         case BIU2400_ATIO_RSPINP:
1502                 off = 0x10;
1503                 break;
1504         case BIU2400_ATIO_RSPOUTP:
1505                 off = 0x14;
1506                 break;
1507         default:
1508                 isp_pci_wr_reg_2400(isp, regoff, val);
1509                 return;
1510         }
1511         B2W4(isp, off, val);
1512 }
1513
1514
1515 struct imush {
1516         bus_addr_t maddr;
1517         int error;
1518 };
1519
1520 static void
1521 imc(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1522 {
1523         struct imush *imushp = (struct imush *) arg;
1524
1525         if (!(imushp->error = error))
1526                 imushp->maddr = segs[0].ds_addr;
1527 }
1528
1529 static int
1530 isp_pci_mbxdma(ispsoftc_t *isp)
1531 {
1532         caddr_t base;
1533         uint32_t len, nsegs;
1534         int i, error, cmap = 0;
1535         bus_size_t slim;        /* segment size */
1536         bus_addr_t llim;        /* low limit of unavailable dma */
1537         bus_addr_t hlim;        /* high limit of unavailable dma */
1538         struct imush im;
1539         isp_ecmd_t *ecmd;
1540
1541         /* Already been here? If so, leave... */
1542         if (isp->isp_xflist != NULL)
1543                 return (0);
1544         if (isp->isp_rquest != NULL && isp->isp_maxcmds == 0)
1545                 return (0);
1546         ISP_UNLOCK(isp);
1547         if (isp->isp_rquest != NULL)
1548                 goto gotmaxcmds;
1549
1550         hlim = BUS_SPACE_MAXADDR;
1551         if (IS_ULTRA2(isp) || IS_FC(isp) || IS_1240(isp)) {
1552                 if (sizeof (bus_size_t) > 4)
1553                         slim = (bus_size_t) (1ULL << 32);
1554                 else
1555                         slim = (bus_size_t) (1UL << 31);
1556                 llim = BUS_SPACE_MAXADDR;
1557         } else {
1558                 slim = (1UL << 24);
1559                 llim = BUS_SPACE_MAXADDR_32BIT;
1560         }
1561         if (isp->isp_osinfo.sixtyfourbit)
1562                 nsegs = ISP_NSEG64_MAX;
1563         else
1564                 nsegs = ISP_NSEG_MAX;
1565
1566         if (isp_dma_tag_create(BUS_DMA_ROOTARG(ISP_PCD(isp)), 1,
1567             slim, llim, hlim, NULL, NULL, BUS_SPACE_MAXSIZE, nsegs, slim, 0,
1568             &isp->isp_osinfo.dmat)) {
1569                 ISP_LOCK(isp);
1570                 isp_prt(isp, ISP_LOGERR, "could not create master dma tag");
1571                 return (1);
1572         }
1573
1574         /*
1575          * Allocate and map the request queue and a region for external
1576          * DMA addressable command/status structures (22XX and later).
1577          */
1578         len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
1579         if (isp->isp_type >= ISP_HA_FC_2200)
1580                 len += (N_XCMDS * XCMD_SIZE);
1581         if (isp_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN, slim,
1582             BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
1583             len, 1, len, 0, &isp->isp_osinfo.reqdmat)) {
1584                 isp_prt(isp, ISP_LOGERR, "cannot create request DMA tag");
1585                 goto bad;
1586         }
1587         if (bus_dmamem_alloc(isp->isp_osinfo.reqdmat, (void **)&base,
1588             BUS_DMA_COHERENT, &isp->isp_osinfo.reqmap) != 0) {
1589                 isp_prt(isp, ISP_LOGERR, "cannot allocate request DMA memory");
1590                 bus_dma_tag_destroy(isp->isp_osinfo.reqdmat);
1591                 goto bad;
1592         }
1593         isp->isp_rquest = base;
1594         im.error = 0;
1595         if (bus_dmamap_load(isp->isp_osinfo.reqdmat, isp->isp_osinfo.reqmap,
1596             base, len, imc, &im, 0) || im.error) {
1597                 isp_prt(isp, ISP_LOGERR, "error loading request DMA map %d", im.error);
1598                 goto bad;
1599         }
1600         isp_prt(isp, ISP_LOGDEBUG0, "request area @ 0x%jx/0x%jx",
1601             (uintmax_t)im.maddr, (uintmax_t)len);
1602         isp->isp_rquest_dma = im.maddr;
1603         base += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
1604         im.maddr += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
1605         if (isp->isp_type >= ISP_HA_FC_2200) {
1606                 isp->isp_osinfo.ecmd_dma = im.maddr;
1607                 isp->isp_osinfo.ecmd_free = (isp_ecmd_t *)base;
1608                 isp->isp_osinfo.ecmd_base = isp->isp_osinfo.ecmd_free;
1609                 for (ecmd = isp->isp_osinfo.ecmd_free;
1610                     ecmd < &isp->isp_osinfo.ecmd_free[N_XCMDS]; ecmd++) {
1611                         if (ecmd == &isp->isp_osinfo.ecmd_free[N_XCMDS - 1])
1612                                 ecmd->next = NULL;
1613                         else
1614                                 ecmd->next = ecmd + 1;
1615                 }
1616         }
1617
1618         /*
1619          * Allocate and map the result queue.
1620          */
1621         len = ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
1622         if (isp_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN, slim,
1623             BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
1624             len, 1, len, 0, &isp->isp_osinfo.respdmat)) {
1625                 isp_prt(isp, ISP_LOGERR, "cannot create response DMA tag");
1626                 goto bad;
1627         }
1628         if (bus_dmamem_alloc(isp->isp_osinfo.respdmat, (void **)&base,
1629             BUS_DMA_COHERENT, &isp->isp_osinfo.respmap) != 0) {
1630                 isp_prt(isp, ISP_LOGERR, "cannot allocate response DMA memory");
1631                 bus_dma_tag_destroy(isp->isp_osinfo.respdmat);
1632                 goto bad;
1633         }
1634         isp->isp_result = base;
1635         im.error = 0;
1636         if (bus_dmamap_load(isp->isp_osinfo.respdmat, isp->isp_osinfo.respmap,
1637             base, len, imc, &im, 0) || im.error) {
1638                 isp_prt(isp, ISP_LOGERR, "error loading response DMA map %d", im.error);
1639                 goto bad;
1640         }
1641         isp_prt(isp, ISP_LOGDEBUG0, "response area @ 0x%jx/0x%jx",
1642             (uintmax_t)im.maddr, (uintmax_t)len);
1643         isp->isp_result_dma = im.maddr;
1644
1645 #ifdef  ISP_TARGET_MODE
1646         /*
1647          * Allocate and map ATIO queue on 24xx with target mode.
1648          */
1649         if (IS_24XX(isp)) {
1650                 len = ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
1651                 if (isp_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN, slim,
1652                     BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
1653                     len, 1, len, 0, &isp->isp_osinfo.atiodmat)) {
1654                         isp_prt(isp, ISP_LOGERR, "cannot create ATIO DMA tag");
1655                         goto bad;
1656                 }
1657                 if (bus_dmamem_alloc(isp->isp_osinfo.atiodmat, (void **)&base,
1658                     BUS_DMA_COHERENT, &isp->isp_osinfo.atiomap) != 0) {
1659                         isp_prt(isp, ISP_LOGERR, "cannot allocate ATIO DMA memory");
1660                         bus_dma_tag_destroy(isp->isp_osinfo.atiodmat);
1661                         goto bad;
1662                 }
1663                 isp->isp_atioq = base;
1664                 im.error = 0;
1665                 if (bus_dmamap_load(isp->isp_osinfo.atiodmat, isp->isp_osinfo.atiomap,
1666                     base, len, imc, &im, 0) || im.error) {
1667                         isp_prt(isp, ISP_LOGERR, "error loading ATIO DMA map %d", im.error);
1668                         goto bad;
1669                 }
1670                 isp_prt(isp, ISP_LOGDEBUG0, "ATIO area @ 0x%jx/0x%jx",
1671                     (uintmax_t)im.maddr, (uintmax_t)len);
1672                 isp->isp_atioq_dma = im.maddr;
1673         }
1674 #endif
1675
1676         if (IS_FC(isp)) {
1677                 if (isp_dma_tag_create(isp->isp_osinfo.dmat, 64, slim,
1678                     BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL,
1679                     2*QENTRY_LEN, 1, 2*QENTRY_LEN, 0, &isp->isp_osinfo.iocbdmat)) {
1680                         goto bad;
1681                 }
1682                 if (bus_dmamem_alloc(isp->isp_osinfo.iocbdmat,
1683                     (void **)&base, BUS_DMA_COHERENT, &isp->isp_osinfo.iocbmap) != 0)
1684                         goto bad;
1685                 isp->isp_iocb = base;
1686                 im.error = 0;
1687                 if (bus_dmamap_load(isp->isp_osinfo.iocbdmat, isp->isp_osinfo.iocbmap,
1688                     base, 2*QENTRY_LEN, imc, &im, 0) || im.error)
1689                         goto bad;
1690                 isp->isp_iocb_dma = im.maddr;
1691
1692                 if (isp_dma_tag_create(isp->isp_osinfo.dmat, 64, slim,
1693                     BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL,
1694                     ISP_FC_SCRLEN, 1, ISP_FC_SCRLEN, 0, &isp->isp_osinfo.scdmat))
1695                         goto bad;
1696                 for (cmap = 0; cmap < isp->isp_nchan; cmap++) {
1697                         struct isp_fc *fc = ISP_FC_PC(isp, cmap);
1698                         if (bus_dmamem_alloc(isp->isp_osinfo.scdmat,
1699                             (void **)&base, BUS_DMA_COHERENT, &fc->scmap) != 0)
1700                                 goto bad;
1701                         FCPARAM(isp, cmap)->isp_scratch = base;
1702                         im.error = 0;
1703                         if (bus_dmamap_load(isp->isp_osinfo.scdmat, fc->scmap,
1704                             base, ISP_FC_SCRLEN, imc, &im, 0) || im.error) {
1705                                 bus_dmamem_free(isp->isp_osinfo.scdmat,
1706                                     base, fc->scmap);
1707                                 FCPARAM(isp, cmap)->isp_scratch = NULL;
1708                                 goto bad;
1709                         }
1710                         FCPARAM(isp, cmap)->isp_scdma = im.maddr;
1711                         if (!IS_2100(isp)) {
1712                                 for (i = 0; i < INITIAL_NEXUS_COUNT; i++) {
1713                                         struct isp_nexus *n = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_NOWAIT | M_ZERO);
1714                                         if (n == NULL) {
1715                                                 while (fc->nexus_free_list) {
1716                                                         n = fc->nexus_free_list;
1717                                                         fc->nexus_free_list = n->next;
1718                                                         free(n, M_DEVBUF);
1719                                                 }
1720                                                 goto bad;
1721                                         }
1722                                         n->next = fc->nexus_free_list;
1723                                         fc->nexus_free_list = n;
1724                                 }
1725                         }
1726                 }
1727         }
1728
1729         if (isp->isp_maxcmds == 0) {
1730                 ISP_LOCK(isp);
1731                 return (0);
1732         }
1733
1734 gotmaxcmds:
1735         len = isp->isp_maxcmds * sizeof (struct isp_pcmd);
1736         isp->isp_osinfo.pcmd_pool = (struct isp_pcmd *)
1737             malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
1738         for (i = 0; i < isp->isp_maxcmds; i++) {
1739                 struct isp_pcmd *pcmd = &isp->isp_osinfo.pcmd_pool[i];
1740                 error = bus_dmamap_create(isp->isp_osinfo.dmat, 0, &pcmd->dmap);
1741                 if (error) {
1742                         isp_prt(isp, ISP_LOGERR, "error %d creating per-cmd DMA maps", error);
1743                         while (--i >= 0) {
1744                                 bus_dmamap_destroy(isp->isp_osinfo.dmat,
1745                                     isp->isp_osinfo.pcmd_pool[i].dmap);
1746                         }
1747                         goto bad;
1748                 }
1749                 callout_init_mtx(&pcmd->wdog, &isp->isp_osinfo.lock, 0);
1750                 if (i == isp->isp_maxcmds-1)
1751                         pcmd->next = NULL;
1752                 else
1753                         pcmd->next = &isp->isp_osinfo.pcmd_pool[i+1];
1754         }
1755         isp->isp_osinfo.pcmd_free = &isp->isp_osinfo.pcmd_pool[0];
1756
1757         len = sizeof (isp_hdl_t) * isp->isp_maxcmds;
1758         isp->isp_xflist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
1759         for (len = 0; len < isp->isp_maxcmds - 1; len++)
1760                 isp->isp_xflist[len].cmd = &isp->isp_xflist[len+1];
1761         isp->isp_xffree = isp->isp_xflist;
1762
1763         ISP_LOCK(isp);
1764         return (0);
1765
1766 bad:
1767         isp_pci_mbxdmafree(isp);
1768         ISP_LOCK(isp);
1769         return (1);
1770 }
1771
1772 static void
1773 isp_pci_mbxdmafree(ispsoftc_t *isp)
1774 {
1775         int i;
1776
1777         if (isp->isp_xflist != NULL) {
1778                 free(isp->isp_xflist, M_DEVBUF);
1779                 isp->isp_xflist = NULL;
1780         }
1781         if (isp->isp_osinfo.pcmd_pool != NULL) {
1782                 for (i = 0; i < isp->isp_maxcmds; i++) {
1783                         bus_dmamap_destroy(isp->isp_osinfo.dmat,
1784                             isp->isp_osinfo.pcmd_pool[i].dmap);
1785                 }
1786                 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1787                 isp->isp_osinfo.pcmd_pool = NULL;
1788         }
1789         if (IS_FC(isp)) {
1790                 for (i = 0; i < isp->isp_nchan; i++) {
1791                         struct isp_fc *fc = ISP_FC_PC(isp, i);
1792                         if (FCPARAM(isp, i)->isp_scdma != 0) {
1793                                 bus_dmamap_unload(isp->isp_osinfo.scdmat,
1794                                     fc->scmap);
1795                                 FCPARAM(isp, i)->isp_scdma = 0;
1796                         }
1797                         if (FCPARAM(isp, i)->isp_scratch != NULL) {
1798                                 bus_dmamem_free(isp->isp_osinfo.scdmat,
1799                                     FCPARAM(isp, i)->isp_scratch, fc->scmap);
1800                                 FCPARAM(isp, i)->isp_scratch = NULL;
1801                         }
1802                         while (fc->nexus_free_list) {
1803                                 struct isp_nexus *n = fc->nexus_free_list;
1804                                 fc->nexus_free_list = n->next;
1805                                 free(n, M_DEVBUF);
1806                         }
1807                 }
1808                 if (isp->isp_iocb_dma != 0) {
1809                         bus_dma_tag_destroy(isp->isp_osinfo.scdmat);
1810                         bus_dmamap_unload(isp->isp_osinfo.iocbdmat,
1811                             isp->isp_osinfo.iocbmap);
1812                         isp->isp_iocb_dma = 0;
1813                 }
1814                 if (isp->isp_iocb != NULL) {
1815                         bus_dmamem_free(isp->isp_osinfo.iocbdmat,
1816                             isp->isp_iocb, isp->isp_osinfo.iocbmap);
1817                         bus_dma_tag_destroy(isp->isp_osinfo.iocbdmat);
1818                 }
1819         }
1820 #ifdef  ISP_TARGET_MODE
1821         if (IS_24XX(isp)) {
1822                 if (isp->isp_atioq_dma != 0) {
1823                         bus_dmamap_unload(isp->isp_osinfo.atiodmat,
1824                             isp->isp_osinfo.atiomap);
1825                         isp->isp_atioq_dma = 0;
1826                 }
1827                 if (isp->isp_atioq != NULL) {
1828                         bus_dmamem_free(isp->isp_osinfo.atiodmat, isp->isp_atioq,
1829                             isp->isp_osinfo.atiomap);
1830                         bus_dma_tag_destroy(isp->isp_osinfo.atiodmat);
1831                         isp->isp_atioq = NULL;
1832                 }
1833         }
1834 #endif
1835         if (isp->isp_result_dma != 0) {
1836                 bus_dmamap_unload(isp->isp_osinfo.respdmat,
1837                     isp->isp_osinfo.respmap);
1838                 isp->isp_result_dma = 0;
1839         }
1840         if (isp->isp_result != NULL) {
1841                 bus_dmamem_free(isp->isp_osinfo.respdmat, isp->isp_result,
1842                     isp->isp_osinfo.respmap);
1843                 bus_dma_tag_destroy(isp->isp_osinfo.respdmat);
1844                 isp->isp_result = NULL;
1845         }
1846         if (isp->isp_rquest_dma != 0) {
1847                 bus_dmamap_unload(isp->isp_osinfo.reqdmat,
1848                     isp->isp_osinfo.reqmap);
1849                 isp->isp_rquest_dma = 0;
1850         }
1851         if (isp->isp_rquest != NULL) {
1852                 bus_dmamem_free(isp->isp_osinfo.reqdmat, isp->isp_rquest,
1853                     isp->isp_osinfo.reqmap);
1854                 bus_dma_tag_destroy(isp->isp_osinfo.reqdmat);
1855                 isp->isp_rquest = NULL;
1856         }
1857 }
1858
1859 typedef struct {
1860         ispsoftc_t *isp;
1861         void *cmd_token;
1862         void *rq;       /* original request */
1863         int error;
1864         bus_size_t mapsize;
1865 } mush_t;
1866
1867 #define MUSHERR_NOQENTRIES      -2
1868
1869 #ifdef  ISP_TARGET_MODE
1870 static void tdma2_2(void *, bus_dma_segment_t *, int, bus_size_t, int);
1871 static void tdma2(void *, bus_dma_segment_t *, int, int);
1872
1873 static void
1874 tdma2_2(void *arg, bus_dma_segment_t *dm_segs, int nseg, bus_size_t mapsize, int error)
1875 {
1876         mush_t *mp;
1877         mp = (mush_t *)arg;
1878         mp->mapsize = mapsize;
1879         tdma2(arg, dm_segs, nseg, error);
1880 }
1881
1882 static void
1883 tdma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1884 {
1885         mush_t *mp;
1886         ispsoftc_t *isp;
1887         struct ccb_scsiio *csio;
1888         isp_ddir_t ddir;
1889         ispreq_t *rq;
1890
1891         mp = (mush_t *) arg;
1892         if (error) {
1893                 mp->error = error;
1894                 return;
1895         }
1896         csio = mp->cmd_token;
1897         isp = mp->isp;
1898         rq = mp->rq;
1899         if (nseg) {
1900                 if (isp->isp_osinfo.sixtyfourbit) {
1901                         if (nseg >= ISP_NSEG64_MAX) {
1902                                 isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG64_MAX);
1903                                 mp->error = EFAULT;
1904                                 return;
1905                         }
1906                         if (rq->req_header.rqs_entry_type == RQSTYPE_CTIO2) {
1907                                 rq->req_header.rqs_entry_type = RQSTYPE_CTIO3;
1908                         }
1909                 } else {
1910                         if (nseg >= ISP_NSEG_MAX) {
1911                                 isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG_MAX);
1912                                 mp->error = EFAULT;
1913                                 return;
1914                         }
1915                 }
1916                 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1917                         bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREWRITE);
1918                         ddir = ISP_TO_DEVICE;
1919                 } else if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
1920                         bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREREAD);
1921                         ddir = ISP_FROM_DEVICE;
1922                 } else {
1923                         dm_segs = NULL;
1924                         nseg = 0;
1925                         ddir = ISP_NOXFR;
1926                 }
1927         } else {
1928                 dm_segs = NULL;
1929                 nseg = 0;
1930                 ddir = ISP_NOXFR;
1931         }
1932
1933         error = isp_send_tgt_cmd(isp, rq, dm_segs, nseg, XS_XFRLEN(csio), ddir, &csio->sense_data, csio->sense_len);
1934         switch (error) {
1935         case CMD_EAGAIN:
1936                 mp->error = MUSHERR_NOQENTRIES;
1937         case CMD_QUEUED:
1938                 break;
1939         default:
1940                 mp->error = EIO;
1941         }
1942 }
1943 #endif
1944
1945 static void dma2_2(void *, bus_dma_segment_t *, int, bus_size_t, int);
1946 static void dma2(void *, bus_dma_segment_t *, int, int);
1947
1948 static void
1949 dma2_2(void *arg, bus_dma_segment_t *dm_segs, int nseg, bus_size_t mapsize, int error)
1950 {
1951         mush_t *mp;
1952         mp = (mush_t *)arg;
1953         mp->mapsize = mapsize;
1954         dma2(arg, dm_segs, nseg, error);
1955 }
1956
1957 static void
1958 dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1959 {
1960         mush_t *mp;
1961         ispsoftc_t *isp;
1962         struct ccb_scsiio *csio;
1963         isp_ddir_t ddir;
1964         ispreq_t *rq;
1965
1966         mp = (mush_t *) arg;
1967         if (error) {
1968                 mp->error = error;
1969                 return;
1970         }
1971         csio = mp->cmd_token;
1972         isp = mp->isp;
1973         rq = mp->rq;
1974         if (nseg) {
1975                 if (isp->isp_osinfo.sixtyfourbit) {
1976                         if (nseg >= ISP_NSEG64_MAX) {
1977                                 isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG64_MAX);
1978                                 mp->error = EFAULT;
1979                                 return;
1980                         }
1981                         if (rq->req_header.rqs_entry_type == RQSTYPE_T2RQS) {
1982                                 rq->req_header.rqs_entry_type = RQSTYPE_T3RQS;
1983                         } else if (rq->req_header.rqs_entry_type == RQSTYPE_REQUEST) {
1984                                 rq->req_header.rqs_entry_type = RQSTYPE_A64;
1985                         }
1986                 } else {
1987                         if (nseg >= ISP_NSEG_MAX) {
1988                                 isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG_MAX);
1989                                 mp->error = EFAULT;
1990                                 return;
1991                         }
1992                 }
1993                 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1994                         bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREREAD);
1995                         ddir = ISP_FROM_DEVICE;
1996                 } else if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
1997                         bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREWRITE);
1998                         ddir = ISP_TO_DEVICE;
1999                 } else {
2000                         ddir = ISP_NOXFR;
2001                 }
2002         } else {
2003                 dm_segs = NULL;
2004                 nseg = 0;
2005                 ddir = ISP_NOXFR;
2006         }
2007
2008         error = isp_send_cmd(isp, rq, dm_segs, nseg, XS_XFRLEN(csio), ddir, (ispds64_t *)csio->req_map);
2009         switch (error) {
2010         case CMD_EAGAIN:
2011                 mp->error = MUSHERR_NOQENTRIES;
2012                 break;
2013         case CMD_QUEUED:
2014                 break;
2015         default:
2016                 mp->error = EIO;
2017                 break;
2018         }
2019 }
2020
2021 static int
2022 isp_pci_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *ff)
2023 {
2024         mush_t mush, *mp;
2025         void (*eptr)(void *, bus_dma_segment_t *, int, int);
2026         void (*eptr2)(void *, bus_dma_segment_t *, int, bus_size_t, int);
2027         int error;
2028
2029         mp = &mush;
2030         mp->isp = isp;
2031         mp->cmd_token = csio;
2032         mp->rq = ff;
2033         mp->error = 0;
2034         mp->mapsize = 0;
2035
2036 #ifdef  ISP_TARGET_MODE
2037         if (csio->ccb_h.func_code == XPT_CONT_TARGET_IO) {
2038                 eptr = tdma2;
2039                 eptr2 = tdma2_2;
2040         } else
2041 #endif
2042         {
2043                 eptr = dma2;
2044                 eptr2 = dma2_2;
2045         }
2046
2047
2048         error = bus_dmamap_load_ccb(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap,
2049             (union ccb *)csio, eptr, mp, 0);
2050         if (error == EINPROGRESS) {
2051                 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
2052                 mp->error = EINVAL;
2053                 isp_prt(isp, ISP_LOGERR, "deferred dma allocation not supported");
2054         } else if (error && mp->error == 0) {
2055 #ifdef  DIAGNOSTIC
2056                 isp_prt(isp, ISP_LOGERR, "error %d in dma mapping code", error);
2057 #endif
2058                 mp->error = error;
2059         }
2060         if (mp->error) {
2061                 int retval = CMD_COMPLETE;
2062                 if (mp->error == MUSHERR_NOQENTRIES) {
2063                         retval = CMD_EAGAIN;
2064                 } else if (mp->error == EFBIG) {
2065                         csio->ccb_h.status = CAM_REQ_TOO_BIG;
2066                 } else if (mp->error == EINVAL) {
2067                         csio->ccb_h.status = CAM_REQ_INVALID;
2068                 } else {
2069                         csio->ccb_h.status = CAM_UNREC_HBA_ERROR;
2070                 }
2071                 return (retval);
2072         }
2073         return (CMD_QUEUED);
2074 }
2075
2076 static int
2077 isp_pci_irqsetup(ispsoftc_t *isp)
2078 {
2079
2080         return (0);
2081 }
2082
2083 static void
2084 isp_pci_dumpregs(ispsoftc_t *isp, const char *msg)
2085 {
2086         struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
2087         if (msg)
2088                 printf("%s: %s\n", device_get_nameunit(isp->isp_dev), msg);
2089         else
2090                 printf("%s:\n", device_get_nameunit(isp->isp_dev));
2091         if (IS_SCSI(isp))
2092                 printf("    biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
2093         else
2094                 printf("    biu_csr=%x", ISP_READ(isp, BIU2100_CSR));
2095         printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
2096             ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
2097         printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
2098
2099
2100         if (IS_SCSI(isp)) {
2101                 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
2102                 printf("    cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
2103                         ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
2104                         ISP_READ(isp, CDMA_FIFO_STS));
2105                 printf("    ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
2106                         ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
2107                         ISP_READ(isp, DDMA_FIFO_STS));
2108                 printf("    sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
2109                         ISP_READ(isp, SXP_INTERRUPT),
2110                         ISP_READ(isp, SXP_GROSS_ERR),
2111                         ISP_READ(isp, SXP_PINS_CTRL));
2112                 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
2113         }
2114         printf("    mbox regs: %x %x %x %x %x\n",
2115             ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
2116             ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
2117             ISP_READ(isp, OUTMAILBOX4));
2118         printf("    PCI Status Command/Status=%x\n",
2119             pci_read_config(pcs->pci_dev, PCIR_COMMAND, 1));
2120 }