isp_pci.c revision 1.74 1 /* $NetBSD: isp_pci.c,v 1.74 2001/11/13 07:48:45 lukem Exp $ */
2 /*
3 * This driver, which is contained in NetBSD in the files:
4 *
5 * sys/dev/ic/isp.c
6 * sys/dev/ic/isp_inline.h
7 * sys/dev/ic/isp_netbsd.c
8 * sys/dev/ic/isp_netbsd.h
9 * sys/dev/ic/isp_target.c
10 * sys/dev/ic/isp_target.h
11 * sys/dev/ic/isp_tpublic.h
12 * sys/dev/ic/ispmbox.h
13 * sys/dev/ic/ispreg.h
14 * sys/dev/ic/ispvar.h
15 * sys/microcode/isp/asm_sbus.h
16 * sys/microcode/isp/asm_1040.h
17 * sys/microcode/isp/asm_1080.h
18 * sys/microcode/isp/asm_12160.h
19 * sys/microcode/isp/asm_2100.h
20 * sys/microcode/isp/asm_2200.h
21 * sys/pci/isp_pci.c
22 * sys/sbus/isp_sbus.c
23 *
24 * Is being actively maintained by Matthew Jacob (mjacob (at) netbsd.org).
25 * This driver also is shared source with FreeBSD, OpenBSD, Linux, Solaris,
26 * Linux versions. This tends to be an interesting maintenance problem.
27 *
28 * Please coordinate with Matthew Jacob on changes you wish to make here.
29 */
30 /*
31 * PCI specific probe and attach routines for Qlogic ISP SCSI adapters.
32 */
33 /*
34 * Copyright (C) 1997, 1998, 1999 National Aeronautics & Space Administration
35 * All rights reserved.
36 *
37 * Additional Copyright (C) 2000, 2001 by Matthew Jacob
38 *
39 * Redistribution and use in source and binary forms, with or without
40 * modification, are permitted provided that the following conditions
41 * are met:
42 * 1. Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * 2. The name of the author may not be used to endorse or promote products
45 * derived from this software without specific prior written permission
46 *
47 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
48 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
49 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
50 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
51 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
52 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
53 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
54 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
55 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
56 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
57 */
58
59 #include <sys/cdefs.h>
60 __KERNEL_RCSID(0, "$NetBSD: isp_pci.c,v 1.74 2001/11/13 07:48:45 lukem Exp $");
61
62 #include <dev/ic/isp_netbsd.h>
63 #include <dev/pci/pcireg.h>
64 #include <dev/pci/pcivar.h>
65 #include <dev/pci/pcidevs.h>
66 #include <uvm/uvm_extern.h>
67 #include <sys/reboot.h>
68
69 static u_int16_t isp_pci_rd_reg(struct ispsoftc *, int);
70 static void isp_pci_wr_reg(struct ispsoftc *, int, u_int16_t);
71 #if !(defined(ISP_DISABLE_1080_SUPPORT) && defined(ISP_DISABLE_12160_SUPPORT))
72 static u_int16_t isp_pci_rd_reg_1080(struct ispsoftc *, int);
73 static void isp_pci_wr_reg_1080(struct ispsoftc *, int, u_int16_t);
74 #endif
75 static int
76 isp_pci_rd_isr(struct ispsoftc *, u_int16_t *, u_int16_t *, u_int16_t *);
77 static int
78 isp_pci_rd_isr_2300(struct ispsoftc *, u_int16_t *, u_int16_t *, u_int16_t *);
79 static int isp_pci_mbxdma(struct ispsoftc *);
80 static int isp_pci_dmasetup(struct ispsoftc *, XS_T *, ispreq_t *,
81 u_int16_t *, u_int16_t);
82 static void isp_pci_dmateardown(struct ispsoftc *, XS_T *, u_int16_t);
83 static void isp_pci_reset1(struct ispsoftc *);
84 static void isp_pci_dumpregs(struct ispsoftc *, const char *);
85 static int isp_pci_intr(void *);
86
87 #if defined(ISP_DISABLE_1020_SUPPORT)
88 #define ISP_1040_RISC_CODE NULL
89 #else
90 #define ISP_1040_RISC_CODE isp_1040_risc_code
91 #include <dev/microcode/isp/asm_1040.h>
92 #endif
93
94 #if defined(ISP_DISABLE_1080_SUPPORT)
95 #define ISP_1080_RISC_CODE NULL
96 #else
97 #define ISP_1080_RISC_CODE isp_1080_risc_code
98 #include <dev/microcode/isp/asm_1080.h>
99 #endif
100
101 #if defined(ISP_DISABLE_12160_SUPPORT)
102 #define ISP_12160_RISC_CODE NULL
103 #else
104 #define ISP_12160_RISC_CODE isp_12160_risc_code
105 #include <dev/microcode/isp/asm_12160.h>
106 #endif
107
108 #if defined(ISP_DISABLE_2100_SUPPORT)
109 #define ISP_2100_RISC_CODE NULL
110 #else
111 #define ISP_2100_RISC_CODE isp_2100_risc_code
112 #include <dev/microcode/isp/asm_2100.h>
113 #endif
114
115 #if defined(ISP_DISABLE_2200_SUPPORT)
116 #define ISP_2200_RISC_CODE NULL
117 #else
118 #define ISP_2200_RISC_CODE isp_2200_risc_code
119 #include <dev/microcode/isp/asm_2200.h>
120 #endif
121
122 #if defined(ISP_DISABLE_2300_SUPPORT)
123 #define ISP_2300_RISC_CODE NULL
124 #else
125 #define ISP_2300_RISC_CODE isp_2300_risc_code
126 #include <dev/microcode/isp/asm_2300.h>
127 #endif
128
129 #ifndef ISP_DISABLE_1020_SUPPORT
130 static struct ispmdvec mdvec = {
131 isp_pci_rd_isr,
132 isp_pci_rd_reg,
133 isp_pci_wr_reg,
134 isp_pci_mbxdma,
135 isp_pci_dmasetup,
136 isp_pci_dmateardown,
137 NULL,
138 isp_pci_reset1,
139 isp_pci_dumpregs,
140 ISP_1040_RISC_CODE,
141 BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
142 };
143 #endif
144
145 #ifndef ISP_DISABLE_1080_SUPPORT
146 static struct ispmdvec mdvec_1080 = {
147 isp_pci_rd_isr,
148 isp_pci_rd_reg_1080,
149 isp_pci_wr_reg_1080,
150 isp_pci_mbxdma,
151 isp_pci_dmasetup,
152 isp_pci_dmateardown,
153 NULL,
154 isp_pci_reset1,
155 isp_pci_dumpregs,
156 ISP_1080_RISC_CODE,
157 BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
158 };
159 #endif
160
161 #ifndef ISP_DISABLE_12160_SUPPORT
162 static struct ispmdvec mdvec_12160 = {
163 isp_pci_rd_isr,
164 isp_pci_rd_reg_1080,
165 isp_pci_wr_reg_1080,
166 isp_pci_mbxdma,
167 isp_pci_dmasetup,
168 isp_pci_dmateardown,
169 NULL,
170 isp_pci_reset1,
171 isp_pci_dumpregs,
172 ISP_12160_RISC_CODE,
173 BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
174 };
175 #endif
176
177 #ifndef ISP_DISABLE_2100_SUPPORT
178 static struct ispmdvec mdvec_2100 = {
179 isp_pci_rd_isr,
180 isp_pci_rd_reg,
181 isp_pci_wr_reg,
182 isp_pci_mbxdma,
183 isp_pci_dmasetup,
184 isp_pci_dmateardown,
185 NULL,
186 isp_pci_reset1,
187 isp_pci_dumpregs,
188 ISP_2100_RISC_CODE
189 };
190 #endif
191
192 #ifndef ISP_DISABLE_2200_SUPPORT
193 static struct ispmdvec mdvec_2200 = {
194 isp_pci_rd_isr,
195 isp_pci_rd_reg,
196 isp_pci_wr_reg,
197 isp_pci_mbxdma,
198 isp_pci_dmasetup,
199 isp_pci_dmateardown,
200 NULL,
201 isp_pci_reset1,
202 isp_pci_dumpregs,
203 ISP_2200_RISC_CODE
204 };
205 #endif
206
207 #ifndef ISP_DISABLE_2300_SUPPORT
208 static struct ispmdvec mdvec_2300 = {
209 isp_pci_rd_isr_2300,
210 isp_pci_rd_reg,
211 isp_pci_wr_reg,
212 isp_pci_mbxdma,
213 isp_pci_dmasetup,
214 isp_pci_dmateardown,
215 NULL,
216 isp_pci_reset1,
217 isp_pci_dumpregs,
218 ISP_2300_RISC_CODE
219 };
220 #endif
221
222 #ifndef PCI_VENDOR_QLOGIC
223 #define PCI_VENDOR_QLOGIC 0x1077
224 #endif
225
226 #ifndef PCI_PRODUCT_QLOGIC_ISP1020
227 #define PCI_PRODUCT_QLOGIC_ISP1020 0x1020
228 #endif
229
230 #ifndef PCI_PRODUCT_QLOGIC_ISP1080
231 #define PCI_PRODUCT_QLOGIC_ISP1080 0x1080
232 #endif
233
234 #ifndef PCI_PRODUCT_QLOGIC_ISP1240
235 #define PCI_PRODUCT_QLOGIC_ISP1240 0x1240
236 #endif
237
238 #ifndef PCI_PRODUCT_QLOGIC_ISP1280
239 #define PCI_PRODUCT_QLOGIC_ISP1280 0x1280
240 #endif
241
242 #ifndef PCI_PRODUCT_QLOGIC_ISP12160
243 #define PCI_PRODUCT_QLOGIC_ISP12160 0x1216
244 #endif
245
246 #ifndef PCI_PRODUCT_QLOGIC_ISP2100
247 #define PCI_PRODUCT_QLOGIC_ISP2100 0x2100
248 #endif
249
250 #ifndef PCI_PRODUCT_QLOGIC_ISP2200
251 #define PCI_PRODUCT_QLOGIC_ISP2200 0x2200
252 #endif
253
254 #ifndef PCI_PRODUCT_QLOGIC_ISP2300
255 #define PCI_PRODUCT_QLOGIC_ISP2300 0x2300
256 #endif
257
258 #ifndef PCI_PRODUCT_QLOGIC_ISP2312
259 #define PCI_PRODUCT_QLOGIC_ISP2312 0x2312
260 #endif
261
262 #define PCI_QLOGIC_ISP ((PCI_PRODUCT_QLOGIC_ISP1020 << 16) | PCI_VENDOR_QLOGIC)
263
264 #define PCI_QLOGIC_ISP1080 \
265 ((PCI_PRODUCT_QLOGIC_ISP1080 << 16) | PCI_VENDOR_QLOGIC)
266
267 #define PCI_QLOGIC_ISP1240 \
268 ((PCI_PRODUCT_QLOGIC_ISP1240 << 16) | PCI_VENDOR_QLOGIC)
269
270 #define PCI_QLOGIC_ISP1280 \
271 ((PCI_PRODUCT_QLOGIC_ISP1280 << 16) | PCI_VENDOR_QLOGIC)
272
273 #define PCI_QLOGIC_ISP12160 \
274 ((PCI_PRODUCT_QLOGIC_ISP12160 << 16) | PCI_VENDOR_QLOGIC)
275
276 #define PCI_QLOGIC_ISP2100 \
277 ((PCI_PRODUCT_QLOGIC_ISP2100 << 16) | PCI_VENDOR_QLOGIC)
278
279 #define PCI_QLOGIC_ISP2200 \
280 ((PCI_PRODUCT_QLOGIC_ISP2200 << 16) | PCI_VENDOR_QLOGIC)
281
282 #define PCI_QLOGIC_ISP2300 \
283 ((PCI_PRODUCT_QLOGIC_ISP2300 << 16) | PCI_VENDOR_QLOGIC)
284
285 #define PCI_QLOGIC_ISP2312 \
286 ((PCI_PRODUCT_QLOGIC_ISP2312 << 16) | PCI_VENDOR_QLOGIC)
287
288 #define IO_MAP_REG 0x10
289 #define MEM_MAP_REG 0x14
290 #define PCIR_ROMADDR 0x30
291
292 #define PCI_DFLT_LTNCY 0x40
293 #define PCI_DFLT_LNSZ 0x10
294
295
296 static int isp_pci_probe(struct device *, struct cfdata *, void *);
297 static void isp_pci_attach(struct device *, struct device *, void *);
298
299 struct isp_pcisoftc {
300 struct ispsoftc pci_isp;
301 pci_chipset_tag_t pci_pc;
302 pcitag_t pci_tag;
303 bus_space_tag_t pci_st;
304 bus_space_handle_t pci_sh;
305 bus_dma_tag_t pci_dmat;
306 bus_dmamap_t pci_scratch_dmap; /* for fcp only */
307 bus_dmamap_t pci_rquest_dmap;
308 bus_dmamap_t pci_result_dmap;
309 bus_dmamap_t *pci_xfer_dmap;
310 void * pci_ih;
311 int16_t pci_poff[_NREG_BLKS];
312 };
313
314 struct cfattach isp_pci_ca = {
315 sizeof (struct isp_pcisoftc), isp_pci_probe, isp_pci_attach
316 };
317
318 #ifdef DEBUG
319 const char vstring[] =
320 "Qlogic ISP Driver, NetBSD (pci) Platform Version %d.%d Core Version %d.%d";
321 #endif
322
323 static int
324 isp_pci_probe(struct device *parent, struct cfdata *match, void *aux)
325 {
326 struct pci_attach_args *pa = aux;
327 switch (pa->pa_id) {
328 #ifndef ISP_DISABLE_1020_SUPPORT
329 case PCI_QLOGIC_ISP:
330 return (1);
331 #endif
332 #ifndef ISP_DISABLE_1080_SUPPORT
333 case PCI_QLOGIC_ISP1080:
334 case PCI_QLOGIC_ISP1240:
335 case PCI_QLOGIC_ISP1280:
336 return (1);
337 #endif
338 #ifndef ISP_DISABLE_12160_SUPPORT
339 case PCI_QLOGIC_ISP12160:
340 return (1);
341 #endif
342 #ifndef ISP_DISABLE_2100_SUPPORT
343 case PCI_QLOGIC_ISP2100:
344 return (1);
345 #endif
346 #ifndef ISP_DISABLE_2200_SUPPORT
347 case PCI_QLOGIC_ISP2200:
348 return (1);
349 #endif
350 #ifndef ISP_DISABLE_2300_SUPPORT
351 case PCI_QLOGIC_ISP2300:
352 case PCI_QLOGIC_ISP2312:
353 return (1);
354 #endif
355 default:
356 return (0);
357 }
358 }
359
360
361 static void
362 isp_pci_attach(struct device *parent, struct device *self, void *aux)
363 {
364 #ifdef DEBUG
365 static char oneshot = 1;
366 #endif
367 static const char nomem[] = "%s: no mem for sdparam table\n";
368 u_int32_t data, rev, linesz = PCI_DFLT_LNSZ;
369 struct pci_attach_args *pa = aux;
370 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) self;
371 struct ispsoftc *isp = &pcs->pci_isp;
372 bus_space_tag_t st, iot, memt;
373 bus_space_handle_t sh, ioh, memh;
374 pci_intr_handle_t ih;
375 const char *intrstr;
376 int ioh_valid, memh_valid;
377
378 ioh_valid = (pci_mapreg_map(pa, IO_MAP_REG,
379 PCI_MAPREG_TYPE_IO, 0,
380 &iot, &ioh, NULL, NULL) == 0);
381 memh_valid = (pci_mapreg_map(pa, MEM_MAP_REG,
382 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
383 &memt, &memh, NULL, NULL) == 0);
384 if (memh_valid) {
385 st = memt;
386 sh = memh;
387 } else if (ioh_valid) {
388 st = iot;
389 sh = ioh;
390 } else {
391 printf(": unable to map device registers\n");
392 return;
393 }
394 printf("\n");
395
396 pcs->pci_st = st;
397 pcs->pci_sh = sh;
398 pcs->pci_dmat = pa->pa_dmat;
399 pcs->pci_pc = pa->pa_pc;
400 pcs->pci_tag = pa->pa_tag;
401 pcs->pci_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
402 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS_OFF;
403 pcs->pci_poff[SXP_BLOCK >> _BLK_REG_SHFT] = PCI_SXP_REGS_OFF;
404 pcs->pci_poff[RISC_BLOCK >> _BLK_REG_SHFT] = PCI_RISC_REGS_OFF;
405 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
406 rev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG) & 0xff;
407
408 #ifndef ISP_DISABLE_1020_SUPPORT
409 if (pa->pa_id == PCI_QLOGIC_ISP) {
410 isp->isp_mdvec = &mdvec;
411 isp->isp_type = ISP_HA_SCSI_UNKNOWN;
412 isp->isp_param = malloc(sizeof (sdparam), M_DEVBUF, M_NOWAIT);
413 if (isp->isp_param == NULL) {
414 printf(nomem, isp->isp_name);
415 return;
416 }
417 memset(isp->isp_param, 0, sizeof (sdparam));
418 }
419 #endif
420 #ifndef ISP_DISABLE_1080_SUPPORT
421 if (pa->pa_id == PCI_QLOGIC_ISP1080) {
422 isp->isp_mdvec = &mdvec_1080;
423 isp->isp_type = ISP_HA_SCSI_1080;
424 isp->isp_param = malloc(sizeof (sdparam), M_DEVBUF, M_NOWAIT);
425 if (isp->isp_param == NULL) {
426 printf(nomem, isp->isp_name);
427 return;
428 }
429 memset(isp->isp_param, 0, sizeof (sdparam));
430 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
431 ISP1080_DMA_REGS_OFF;
432 }
433 if (pa->pa_id == PCI_QLOGIC_ISP1240) {
434 isp->isp_mdvec = &mdvec_1080;
435 isp->isp_type = ISP_HA_SCSI_1240;
436 isp->isp_param =
437 malloc(2 * sizeof (sdparam), M_DEVBUF, M_NOWAIT);
438 if (isp->isp_param == NULL) {
439 printf(nomem, isp->isp_name);
440 return;
441 }
442 memset(isp->isp_param, 0, 2 * sizeof (sdparam));
443 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
444 ISP1080_DMA_REGS_OFF;
445 }
446 if (pa->pa_id == PCI_QLOGIC_ISP1280) {
447 isp->isp_mdvec = &mdvec_1080;
448 isp->isp_type = ISP_HA_SCSI_1280;
449 isp->isp_param =
450 malloc(2 * sizeof (sdparam), M_DEVBUF, M_NOWAIT);
451 if (isp->isp_param == NULL) {
452 printf(nomem, isp->isp_name);
453 return;
454 }
455 memset(isp->isp_param, 0, 2 * sizeof (sdparam));
456 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
457 ISP1080_DMA_REGS_OFF;
458 }
459 #endif
460 #ifndef ISP_DISABLE_12160_SUPPORT
461 if (pa->pa_id == PCI_QLOGIC_ISP12160) {
462 isp->isp_mdvec = &mdvec_12160;
463 isp->isp_type = ISP_HA_SCSI_12160;
464 isp->isp_param =
465 malloc(2 * sizeof (sdparam), M_DEVBUF, M_NOWAIT);
466 if (isp->isp_param == NULL) {
467 printf(nomem, isp->isp_name);
468 return;
469 }
470 memset(isp->isp_param, 0, 2 * sizeof (sdparam));
471 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
472 ISP1080_DMA_REGS_OFF;
473 }
474 #endif
475 #ifndef ISP_DISABLE_2100_SUPPORT
476 if (pa->pa_id == PCI_QLOGIC_ISP2100) {
477 isp->isp_mdvec = &mdvec_2100;
478 isp->isp_type = ISP_HA_FC_2100;
479 isp->isp_param = malloc(sizeof (fcparam), M_DEVBUF, M_NOWAIT);
480 if (isp->isp_param == NULL) {
481 printf(nomem, isp->isp_name);
482 return;
483 }
484 memset(isp->isp_param, 0, sizeof (fcparam));
485 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] =
486 PCI_MBOX_REGS2100_OFF;
487 if (rev < 3) {
488 /*
489 * XXX: Need to get the actual revision
490 * XXX: number of the 2100 FB. At any rate,
491 * XXX: lower cache line size for early revision
492 * XXX; boards.
493 */
494 linesz = 1;
495 }
496 }
497 #endif
498 #ifndef ISP_DISABLE_2200_SUPPORT
499 if (pa->pa_id == PCI_QLOGIC_ISP2200) {
500 isp->isp_mdvec = &mdvec_2200;
501 isp->isp_type = ISP_HA_FC_2200;
502 isp->isp_param = malloc(sizeof (fcparam), M_DEVBUF, M_NOWAIT);
503 if (isp->isp_param == NULL) {
504 printf(nomem, isp->isp_name);
505 return;
506 }
507 memset(isp->isp_param, 0, sizeof (fcparam));
508 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] =
509 PCI_MBOX_REGS2100_OFF;
510 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG);
511 }
512 #endif
513 #ifndef ISP_DISABLE_2300_SUPPORT
514 if (pa->pa_id == PCI_QLOGIC_ISP2300 ||
515 pa->pa_id == PCI_QLOGIC_ISP2312) {
516 isp->isp_mdvec = &mdvec_2300;
517 isp->isp_type = ISP_HA_FC_2300;
518 isp->isp_param = malloc(sizeof (fcparam), M_DEVBUF, M_NOWAIT);
519 if (isp->isp_param == NULL) {
520 printf(nomem, isp->isp_name);
521 return;
522 }
523 memset(isp->isp_param, 0, sizeof (fcparam));
524 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] =
525 PCI_MBOX_REGS2300_OFF;
526 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG);
527 }
528 #endif
529 /*
530 * Set up logging levels.
531 */
532 #ifdef ISP_LOGDEFAULT
533 isp->isp_dblev = ISP_LOGDEFAULT;
534 #else
535 isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
536 if (bootverbose)
537 isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
538 #ifdef SCSIDEBUG
539 isp->isp_dblev |= ISP_LOGDEBUG1|ISP_LOGDEBUG2;
540 #endif
541 #ifdef DEBUG
542 isp->isp_dblev |= ISP_LOGDEBUG0;
543 #endif
544 #endif
545
546 #ifdef DEBUG
547 if (oneshot) {
548 oneshot = 0;
549 isp_prt(isp, ISP_LOGCONFIG, vstring,
550 ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
551 ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
552 }
553 #endif
554
555 isp->isp_revision = rev;
556
557 /*
558 * Make sure that command register set sanely.
559 */
560 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
561 data |= PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_INVALIDATE_ENABLE;
562
563 /*
564 * Not so sure about these- but I think it's important that they get
565 * enabled......
566 */
567 data |= PCI_COMMAND_PARITY_ENABLE | PCI_COMMAND_SERR_ENABLE;
568 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, data);
569
570 /*
571 * Make sure that the latency timer, cache line size,
572 * and ROM is disabled.
573 */
574 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
575 data &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
576 data &= ~(PCI_CACHELINE_MASK << PCI_CACHELINE_SHIFT);
577 data |= (PCI_DFLT_LTNCY << PCI_LATTIMER_SHIFT);
578 data |= (linesz << PCI_CACHELINE_SHIFT);
579 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG, data);
580
581 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCIR_ROMADDR);
582 data &= ~1;
583 pci_conf_write(pa->pa_pc, pa->pa_tag, PCIR_ROMADDR, data);
584
585 if (pci_intr_map(pa, &ih)) {
586 printf("%s: couldn't map interrupt\n", isp->isp_name);
587 free(isp->isp_param, M_DEVBUF);
588 return;
589 }
590 intrstr = pci_intr_string(pa->pa_pc, ih);
591 if (intrstr == NULL)
592 intrstr = "<I dunno>";
593 pcs->pci_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO,
594 isp_pci_intr, isp);
595 if (pcs->pci_ih == NULL) {
596 printf("%s: couldn't establish interrupt at %s\n",
597 isp->isp_name, intrstr);
598 free(isp->isp_param, M_DEVBUF);
599 return;
600 }
601
602 printf("%s: interrupting at %s\n", isp->isp_name, intrstr);
603
604 if (IS_FC(isp)) {
605 DEFAULT_NODEWWN(isp) = 0x400000007F000002;
606 DEFAULT_PORTWWN(isp) = 0x400000007F000002;
607 }
608
609 isp->isp_confopts = self->dv_cfdata->cf_flags;
610 isp->isp_role = ISP_DEFAULT_ROLES;
611 ISP_LOCK(isp);
612 isp->isp_osinfo.no_mbox_ints = 1;
613 isp_reset(isp);
614 if (isp->isp_state != ISP_RESETSTATE) {
615 ISP_UNLOCK(isp);
616 free(isp->isp_param, M_DEVBUF);
617 return;
618 }
619 ENABLE_INTS(isp);
620 isp_init(isp);
621 if (isp->isp_state != ISP_INITSTATE) {
622 isp_uninit(isp);
623 ISP_UNLOCK(isp);
624 free(isp->isp_param, M_DEVBUF);
625 return;
626 }
627 /*
628 * Do platform attach.
629 */
630 ISP_UNLOCK(isp);
631 isp_attach(isp);
632 if (isp->isp_state != ISP_RUNSTATE) {
633 ISP_LOCK(isp);
634 isp_uninit(isp);
635 free(isp->isp_param, M_DEVBUF);
636 ISP_UNLOCK(isp);
637 }
638 }
639
640 #define IspVirt2Off(a, x) \
641 (((struct isp_pcisoftc *)a)->pci_poff[((x) & _BLK_REG_MASK) >> \
642 _BLK_REG_SHFT] + ((x) & 0xff))
643
644 #define BXR2(pcs, off) \
645 bus_space_read_2(pcs->pci_st, pcs->pci_sh, off)
646 #define BXW2(pcs, off, v) \
647 bus_space_write_2(pcs->pci_st, pcs->pci_sh, off, v)
648
649
650 static INLINE int
651 isp_pci_rd_debounced(struct ispsoftc *isp, int off, u_int16_t *rp)
652 {
653 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
654 u_int16_t val0, val1;
655 int i = 0;
656
657 do {
658 val0 = BXR2(pcs, IspVirt2Off(isp, off));
659 val1 = BXR2(pcs, IspVirt2Off(isp, off));
660 } while (val0 != val1 && ++i < 1000);
661 if (val0 != val1) {
662 return (1);
663 }
664 *rp = val0;
665 return (0);
666 }
667
668 static int
669 isp_pci_rd_isr(struct ispsoftc *isp, u_int16_t *isrp,
670 u_int16_t *semap, u_int16_t *mbp)
671 {
672 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
673 u_int16_t isr, sema;
674
675 if (IS_2100(isp)) {
676 if (isp_pci_rd_debounced(isp, BIU_ISR, &isr)) {
677 return (0);
678 }
679 if (isp_pci_rd_debounced(isp, BIU_SEMA, &sema)) {
680 return (0);
681 }
682 } else {
683 isr = BXR2(pcs, IspVirt2Off(isp, BIU_ISR));
684 sema = BXR2(pcs, IspVirt2Off(isp, BIU_SEMA));
685 }
686 isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema);
687 isr &= INT_PENDING_MASK(isp);
688 sema &= BIU_SEMA_LOCK;
689 if (isr == 0 && sema == 0) {
690 return (0);
691 }
692 *isrp = isr;
693 if ((*semap = sema) != 0) {
694 if (IS_2100(isp)) {
695 if (isp_pci_rd_debounced(isp, OUTMAILBOX0, mbp)) {
696 return (0);
697 }
698 } else {
699 *mbp = BXR2(pcs, IspVirt2Off(isp, OUTMAILBOX0));
700 }
701 }
702 return (1);
703 }
704
705 #ifndef ISP_DISABLE_2300_SUPPORT
706 static int
707 isp_pci_rd_isr_2300(struct ispsoftc *isp, u_int16_t *isrp,
708 u_int16_t *semap, u_int16_t *mbox0p)
709 {
710 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
711 u_int32_t r2hisr;
712
713 if (!(BXR2(pcs, IspVirt2Off(isp, BIU_ISR)) & BIU2100_ISR_RISC_INT)) {
714 *isrp = 0;
715 return (0);
716 }
717 r2hisr = bus_space_read_4(pcs->pci_st, pcs->pci_sh,
718 IspVirt2Off(pcs, BIU_R2HSTSLO));
719 isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr);
720 if ((r2hisr & BIU_R2HST_INTR) == 0) {
721 *isrp = 0;
722 return (0);
723 }
724 switch (r2hisr & BIU_R2HST_ISTAT_MASK) {
725 case ISPR2HST_ROM_MBX_OK:
726 case ISPR2HST_ROM_MBX_FAIL:
727 case ISPR2HST_MBX_OK:
728 case ISPR2HST_MBX_FAIL:
729 case ISPR2HST_ASYNC_EVENT:
730 case ISPR2HST_FPOST:
731 case ISPR2HST_FPOST_CTIO:
732 *isrp = r2hisr & 0xffff;
733 *mbox0p = (r2hisr >> 16);
734 *semap = 1;
735 return (1);
736 case ISPR2HST_RSPQ_UPDATE:
737 *isrp = r2hisr & 0xffff;
738 *mbox0p = 0;
739 *semap = 0;
740 return (1);
741 default:
742 return (0);
743 }
744 }
745 #endif
746
747 static u_int16_t
748 isp_pci_rd_reg(struct ispsoftc *isp, int regoff)
749 {
750 u_int16_t rv;
751 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
752 int oldconf = 0;
753
754 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
755 /*
756 * We will assume that someone has paused the RISC processor.
757 */
758 oldconf = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
759 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1),
760 oldconf | BIU_PCI_CONF1_SXP);
761 }
762 rv = BXR2(pcs, IspVirt2Off(isp, regoff));
763 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
764 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oldconf);
765 }
766 return (rv);
767 }
768
769 static void
770 isp_pci_wr_reg(struct ispsoftc *isp, int regoff, u_int16_t val)
771 {
772 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
773 int oldconf = 0;
774
775 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
776 /*
777 * We will assume that someone has paused the RISC processor.
778 */
779 oldconf = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
780 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1),
781 oldconf | BIU_PCI_CONF1_SXP);
782 }
783 BXW2(pcs, IspVirt2Off(isp, regoff), val);
784 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
785 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oldconf);
786 }
787 }
788
789 #if !(defined(ISP_DISABLE_1080_SUPPORT) && defined(ISP_DISABLE_12160_SUPPORT))
790 static u_int16_t
791 isp_pci_rd_reg_1080(struct ispsoftc *isp, int regoff)
792 {
793 u_int16_t rv, oc = 0;
794 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
795
796 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK ||
797 (regoff & _BLK_REG_MASK) == (SXP_BLOCK|SXP_BANK1_SELECT)) {
798 u_int16_t tc;
799 /*
800 * We will assume that someone has paused the RISC processor.
801 */
802 oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
803 tc = oc & ~BIU_PCI1080_CONF1_DMA;
804 if (regoff & SXP_BANK1_SELECT)
805 tc |= BIU_PCI1080_CONF1_SXP1;
806 else
807 tc |= BIU_PCI1080_CONF1_SXP0;
808 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), tc);
809 } else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
810 oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
811 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1),
812 oc | BIU_PCI1080_CONF1_DMA);
813 }
814 rv = BXR2(pcs, IspVirt2Off(isp, regoff));
815 if (oc) {
816 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oc);
817 }
818 return (rv);
819 }
820
821 static void
822 isp_pci_wr_reg_1080(struct ispsoftc *isp, int regoff, u_int16_t val)
823 {
824 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
825 int oc = 0;
826
827 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK ||
828 (regoff & _BLK_REG_MASK) == (SXP_BLOCK|SXP_BANK1_SELECT)) {
829 u_int16_t tc;
830 /*
831 * We will assume that someone has paused the RISC processor.
832 */
833 oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
834 tc = oc & ~BIU_PCI1080_CONF1_DMA;
835 if (regoff & SXP_BANK1_SELECT)
836 tc |= BIU_PCI1080_CONF1_SXP1;
837 else
838 tc |= BIU_PCI1080_CONF1_SXP0;
839 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), tc);
840 } else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
841 oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
842 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1),
843 oc | BIU_PCI1080_CONF1_DMA);
844 }
845 BXW2(pcs, IspVirt2Off(isp, regoff), val);
846 if (oc) {
847 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oc);
848 }
849 }
850 #endif
851
852 static int
853 isp_pci_mbxdma(struct ispsoftc *isp)
854 {
855 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
856 bus_dma_tag_t dmat = pcs->pci_dmat;
857 bus_dma_segment_t sg;
858 bus_size_t len;
859 fcparam *fcp;
860 int rs, i;
861
862 if (isp->isp_rquest_dma) /* been here before? */
863 return (0);
864
865 len = isp->isp_maxcmds * sizeof (XS_T *);
866 isp->isp_xflist = (XS_T **) malloc(len, M_DEVBUF, M_WAITOK);
867 if (isp->isp_xflist == NULL) {
868 isp_prt(isp, ISP_LOGERR, "cannot malloc xflist array");
869 return (1);
870 }
871 memset(isp->isp_xflist, 0, len);
872 len = isp->isp_maxcmds * sizeof (bus_dmamap_t);
873 pcs->pci_xfer_dmap = (bus_dmamap_t *) malloc(len, M_DEVBUF, M_WAITOK);
874 if (pcs->pci_xfer_dmap == NULL) {
875 free(isp->isp_xflist, M_DEVBUF);
876 isp->isp_xflist = NULL;
877 isp_prt(isp, ISP_LOGERR, "cannot malloc dma map array");
878 return (1);
879 }
880 for (i = 0; i < isp->isp_maxcmds; i++) {
881 if (bus_dmamap_create(dmat, MAXPHYS, (MAXPHYS / PAGE_SIZE) + 1,
882 MAXPHYS, 0, BUS_DMA_NOWAIT, &pcs->pci_xfer_dmap[i])) {
883 isp_prt(isp, ISP_LOGERR, "cannot create dma maps");
884 break;
885 }
886 }
887 if (i < isp->isp_maxcmds) {
888 while (--i >= 0) {
889 bus_dmamap_destroy(dmat, pcs->pci_xfer_dmap[i]);
890 }
891 free(isp->isp_xflist, M_DEVBUF);
892 free(pcs->pci_xfer_dmap, M_DEVBUF);
893 isp->isp_xflist = NULL;
894 pcs->pci_xfer_dmap = NULL;
895 return (1);
896 }
897
898 /*
899 * Allocate and map the request queue.
900 */
901 len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
902 if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs,
903 BUS_DMA_NOWAIT) ||
904 bus_dmamem_map(pcs->pci_dmat, &sg, rs, len,
905 (caddr_t *)&isp->isp_rquest, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
906 goto dmafail;
907 }
908
909 if (bus_dmamap_create(dmat, len, 1, len, 0, BUS_DMA_NOWAIT,
910 &pcs->pci_rquest_dmap) || bus_dmamap_load(dmat,
911 pcs->pci_rquest_dmap, (caddr_t)isp->isp_rquest, len, NULL,
912 BUS_DMA_NOWAIT)) {
913 goto dmafail;
914 }
915
916 isp->isp_rquest_dma = pcs->pci_rquest_dmap->dm_segs[0].ds_addr;
917
918 /*
919 * Allocate and map the result queue.
920 */
921 len = ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
922 if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs,
923 BUS_DMA_NOWAIT) ||
924 bus_dmamem_map(dmat, &sg, rs, len, (caddr_t *)&isp->isp_result,
925 BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
926 goto dmafail;
927 }
928 if (bus_dmamap_create(dmat, len, 1, len, 0, BUS_DMA_NOWAIT,
929 &pcs->pci_result_dmap) || bus_dmamap_load(pcs->pci_dmat,
930 pcs->pci_result_dmap, (caddr_t)isp->isp_result, len, NULL,
931 BUS_DMA_NOWAIT)) {
932 goto dmafail;
933 }
934 isp->isp_result_dma = pcs->pci_result_dmap->dm_segs[0].ds_addr;
935
936 if (IS_SCSI(isp)) {
937 return (0);
938 }
939
940 fcp = isp->isp_param;
941 len = ISP2100_SCRLEN;
942 if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs,
943 BUS_DMA_NOWAIT) ||
944 bus_dmamem_map(dmat, &sg, rs, len, (caddr_t *)&fcp->isp_scratch,
945 BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
946 goto dmafail;
947 }
948 if (bus_dmamap_create(dmat, len, 1, len, 0, BUS_DMA_NOWAIT,
949 &pcs->pci_scratch_dmap) || bus_dmamap_load(dmat,
950 pcs->pci_scratch_dmap, (caddr_t)fcp->isp_scratch, len, NULL,
951 BUS_DMA_NOWAIT)) {
952 goto dmafail;
953 }
954 fcp->isp_scdma = pcs->pci_scratch_dmap->dm_segs[0].ds_addr;
955 return (0);
956 dmafail:
957 isp_prt(isp, ISP_LOGERR, "mailbox dma setup failure");
958 for (i = 0; i < isp->isp_maxcmds; i++) {
959 bus_dmamap_destroy(dmat, pcs->pci_xfer_dmap[i]);
960 }
961 free(isp->isp_xflist, M_DEVBUF);
962 free(pcs->pci_xfer_dmap, M_DEVBUF);
963 isp->isp_xflist = NULL;
964 pcs->pci_xfer_dmap = NULL;
965 return (1);
966 }
967
968 static int
969 isp_pci_dmasetup(struct ispsoftc *isp, struct scsipi_xfer *xs, ispreq_t *rq,
970 u_int16_t *iptrp, u_int16_t optr)
971 {
972 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
973 bus_dmamap_t dmap;
974 ispcontreq_t *crq;
975 int segcnt, seg, error, ovseg, seglim, drq;
976
977 dmap = pcs->pci_xfer_dmap[isp_handle_index(rq->req_handle)];
978
979 if (xs->datalen == 0) {
980 rq->req_seg_count = 1;
981 goto mbxsync;
982 }
983 if (xs->xs_control & XS_CTL_DATA_IN) {
984 drq = REQFLAG_DATA_IN;
985 } else {
986 drq = REQFLAG_DATA_OUT;
987 }
988
989 if (IS_FC(isp)) {
990 seglim = ISP_RQDSEG_T2;
991 ((ispreqt2_t *)rq)->req_totalcnt = xs->datalen;
992 ((ispreqt2_t *)rq)->req_flags |= drq;
993 } else {
994 rq->req_flags |= drq;
995 if (XS_CDBLEN(xs) > 12) {
996 seglim = 0;
997 } else {
998 seglim = ISP_RQDSEG;
999 }
1000 }
1001 error = bus_dmamap_load(pcs->pci_dmat, dmap, xs->data, xs->datalen,
1002 NULL, ((xs->xs_control & XS_CTL_NOSLEEP) ?
1003 BUS_DMA_NOWAIT : BUS_DMA_WAITOK) | BUS_DMA_STREAMING |
1004 ((xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMA_READ : BUS_DMA_WRITE));
1005 if (error) {
1006 XS_SETERR(xs, HBA_BOTCH);
1007 return (CMD_COMPLETE);
1008 }
1009
1010 segcnt = dmap->dm_nsegs;
1011
1012 isp_prt(isp, ISP_LOGDEBUG2, "%d byte %s %p in %d segs",
1013 xs->datalen, (xs->xs_control & XS_CTL_DATA_IN)? "read to" :
1014 "write from", xs->data, segcnt);
1015
1016 for (seg = 0, rq->req_seg_count = 0;
1017 seglim && seg < segcnt && rq->req_seg_count < seglim;
1018 seg++, rq->req_seg_count++) {
1019 if (IS_FC(isp)) {
1020 ispreqt2_t *rq2 = (ispreqt2_t *)rq;
1021 #if _BYTE_ORDER == _BIG_ENDIAN
1022 rq2->req_dataseg[rq2->req_seg_count].ds_count =
1023 bswap32(dmap->dm_segs[seg].ds_len);
1024 rq2->req_dataseg[rq2->req_seg_count].ds_base =
1025 bswap32(dmap->dm_segs[seg].ds_addr);
1026 #else
1027 rq2->req_dataseg[rq2->req_seg_count].ds_count =
1028 dmap->dm_segs[seg].ds_len;
1029 rq2->req_dataseg[rq2->req_seg_count].ds_base =
1030 dmap->dm_segs[seg].ds_addr;
1031 #endif
1032 } else {
1033 #if _BYTE_ORDER == _BIG_ENDIAN
1034 rq->req_dataseg[rq->req_seg_count].ds_count =
1035 bswap32(dmap->dm_segs[seg].ds_len);
1036 rq->req_dataseg[rq->req_seg_count].ds_base =
1037 bswap32(dmap->dm_segs[seg].ds_addr);
1038 #else
1039 rq->req_dataseg[rq->req_seg_count].ds_count =
1040 dmap->dm_segs[seg].ds_len;
1041 rq->req_dataseg[rq->req_seg_count].ds_base =
1042 dmap->dm_segs[seg].ds_addr;
1043 #endif
1044 }
1045 isp_prt(isp, ISP_LOGDEBUG2, "seg0.[%d]={0x%lx,%lu}",
1046 rq->req_seg_count, (long) dmap->dm_segs[seg].ds_addr,
1047 (unsigned long) dmap->dm_segs[seg].ds_len);
1048 }
1049
1050 if (seg == segcnt)
1051 goto dmasync;
1052
1053 do {
1054 crq = (ispcontreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, *iptrp);
1055 *iptrp = ISP_NXT_QENTRY(*iptrp, RQUEST_QUEUE_LEN(isp));
1056 if (*iptrp == optr) {
1057 isp_prt(isp, ISP_LOGDEBUG0, "Request Queue Overflow++");
1058 bus_dmamap_unload(pcs->pci_dmat, dmap);
1059 XS_SETERR(xs, HBA_BOTCH);
1060 return (CMD_EAGAIN);
1061 }
1062 rq->req_header.rqs_entry_count++;
1063 memset((void *)crq, 0, sizeof (*crq));
1064 crq->req_header.rqs_entry_count = 1;
1065 crq->req_header.rqs_entry_type = RQSTYPE_DATASEG;
1066
1067 for (ovseg = 0; seg < segcnt && ovseg < ISP_CDSEG;
1068 rq->req_seg_count++, seg++, ovseg++) {
1069 #if _BYTE_ORDER == _BIG_ENDIAN
1070 crq->req_dataseg[ovseg].ds_count =
1071 bswap32(dmap->dm_segs[seg].ds_len);
1072 crq->req_dataseg[ovseg].ds_base =
1073 bswap32(dmap->dm_segs[seg].ds_addr);
1074 #else
1075 crq->req_dataseg[ovseg].ds_count =
1076 dmap->dm_segs[seg].ds_len;
1077 crq->req_dataseg[ovseg].ds_base =
1078 dmap->dm_segs[seg].ds_addr;
1079 #endif
1080 isp_prt(isp, ISP_LOGDEBUG2, "seg%d.[%d]={0x%lx,%lu}",
1081 rq->req_header.rqs_entry_count - 1,
1082 rq->req_seg_count, (long)dmap->dm_segs[seg].ds_addr,
1083 (unsigned long) dmap->dm_segs[seg].ds_len);
1084 }
1085 } while (seg < segcnt);
1086
1087
1088 dmasync:
1089 bus_dmamap_sync(pcs->pci_dmat, dmap, 0, dmap->dm_mapsize,
1090 (xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMASYNC_PREREAD :
1091 BUS_DMASYNC_PREWRITE);
1092
1093 mbxsync:
1094 ISP_SWIZZLE_REQUEST(isp, rq);
1095 bus_dmamap_sync(pcs->pci_dmat, pcs->pci_rquest_dmap, 0,
1096 pcs->pci_rquest_dmap->dm_mapsize, BUS_DMASYNC_PREWRITE);
1097 return (CMD_QUEUED);
1098 }
1099
1100 static int
1101 isp_pci_intr(void *arg)
1102 {
1103 u_int16_t isr, sema, mbox;
1104 struct ispsoftc *isp = arg;
1105
1106 isp->isp_intcnt++;
1107 if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) {
1108 isp->isp_intbogus++;
1109 return (0);
1110 } else {
1111 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)arg;
1112 bus_dmamap_sync(pcs->pci_dmat, pcs->pci_result_dmap, 0,
1113 pcs->pci_result_dmap->dm_mapsize, BUS_DMASYNC_POSTREAD);
1114 isp->isp_osinfo.onintstack = 1;
1115 isp_intr(isp, isr, sema, mbox);
1116 isp->isp_osinfo.onintstack = 0;
1117 return (1);
1118 }
1119 }
1120
1121 static void
1122 isp_pci_dmateardown(struct ispsoftc *isp, XS_T *xs, u_int16_t handle)
1123 {
1124 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
1125 bus_dmamap_t dmap = pcs->pci_xfer_dmap[isp_handle_index(handle)];
1126 bus_dmamap_sync(pcs->pci_dmat, dmap, 0, dmap->dm_mapsize,
1127 xs->xs_control & XS_CTL_DATA_IN ?
1128 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
1129 bus_dmamap_unload(pcs->pci_dmat, dmap);
1130 }
1131
1132 static void
1133 isp_pci_reset1(struct ispsoftc *isp)
1134 {
1135 /* Make sure the BIOS is disabled */
1136 isp_pci_wr_reg(isp, HCCR, PCI_HCCR_CMD_BIOS);
1137 }
1138
1139 static void
1140 isp_pci_dumpregs(struct ispsoftc *isp, const char *msg)
1141 {
1142 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
1143 if (msg)
1144 printf("%s: %s\n", isp->isp_name, msg);
1145 if (IS_SCSI(isp))
1146 printf(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
1147 else
1148 printf(" biu_csr=%x", ISP_READ(isp, BIU2100_CSR));
1149 printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
1150 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
1151 printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
1152
1153
1154 if (IS_SCSI(isp)) {
1155 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
1156 printf(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
1157 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
1158 ISP_READ(isp, CDMA_FIFO_STS));
1159 printf(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
1160 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
1161 ISP_READ(isp, DDMA_FIFO_STS));
1162 printf(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
1163 ISP_READ(isp, SXP_INTERRUPT),
1164 ISP_READ(isp, SXP_GROSS_ERR),
1165 ISP_READ(isp, SXP_PINS_CTRL));
1166 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
1167 }
1168 printf(" mbox regs: %x %x %x %x %x\n",
1169 ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
1170 ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
1171 ISP_READ(isp, OUTMAILBOX4));
1172 printf(" PCI Status Command/Status=%x\n",
1173 pci_conf_read(pcs->pci_pc, pcs->pci_tag, PCI_COMMAND_STATUS_REG));
1174 }
1175