isp_pci.c revision 1.88 1 /* $NetBSD: isp_pci.c,v 1.88 2003/05/03 18:11:36 wiz 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 1.88 2003/05/03 18:11:36 wiz 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 (u_int16_t *) 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 (u_int16_t *) 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 (u_int16_t *) 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 (u_int16_t *) 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 (u_int16_t *) 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 (u_int16_t *) 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_ISP10160
243 #define PCI_PRODUCT_QLOGIC_ISP10160 0x1016
244 #endif
245
246 #ifndef PCI_PRODUCT_QLOGIC_ISP12160
247 #define PCI_PRODUCT_QLOGIC_ISP12160 0x1216
248 #endif
249
250 #ifndef PCI_PRODUCT_QLOGIC_ISP2100
251 #define PCI_PRODUCT_QLOGIC_ISP2100 0x2100
252 #endif
253
254 #ifndef PCI_PRODUCT_QLOGIC_ISP2200
255 #define PCI_PRODUCT_QLOGIC_ISP2200 0x2200
256 #endif
257
258 #ifndef PCI_PRODUCT_QLOGIC_ISP2300
259 #define PCI_PRODUCT_QLOGIC_ISP2300 0x2300
260 #endif
261
262 #ifndef PCI_PRODUCT_QLOGIC_ISP2312
263 #define PCI_PRODUCT_QLOGIC_ISP2312 0x2312
264 #endif
265
266 #define PCI_QLOGIC_ISP ((PCI_PRODUCT_QLOGIC_ISP1020 << 16) | PCI_VENDOR_QLOGIC)
267
268 #define PCI_QLOGIC_ISP1080 \
269 ((PCI_PRODUCT_QLOGIC_ISP1080 << 16) | PCI_VENDOR_QLOGIC)
270
271 #define PCI_QLOGIC_ISP1240 \
272 ((PCI_PRODUCT_QLOGIC_ISP1240 << 16) | PCI_VENDOR_QLOGIC)
273
274 #define PCI_QLOGIC_ISP1280 \
275 ((PCI_PRODUCT_QLOGIC_ISP1280 << 16) | PCI_VENDOR_QLOGIC)
276
277 #define PCI_QLOGIC_ISP10160 \
278 ((PCI_PRODUCT_QLOGIC_ISP10160 << 16) | PCI_VENDOR_QLOGIC)
279
280 #define PCI_QLOGIC_ISP12160 \
281 ((PCI_PRODUCT_QLOGIC_ISP12160 << 16) | PCI_VENDOR_QLOGIC)
282
283 #define PCI_QLOGIC_ISP2100 \
284 ((PCI_PRODUCT_QLOGIC_ISP2100 << 16) | PCI_VENDOR_QLOGIC)
285
286 #define PCI_QLOGIC_ISP2200 \
287 ((PCI_PRODUCT_QLOGIC_ISP2200 << 16) | PCI_VENDOR_QLOGIC)
288
289 #define PCI_QLOGIC_ISP2300 \
290 ((PCI_PRODUCT_QLOGIC_ISP2300 << 16) | PCI_VENDOR_QLOGIC)
291
292 #define PCI_QLOGIC_ISP2312 \
293 ((PCI_PRODUCT_QLOGIC_ISP2312 << 16) | PCI_VENDOR_QLOGIC)
294
295 #define IO_MAP_REG 0x10
296 #define MEM_MAP_REG 0x14
297 #define PCIR_ROMADDR 0x30
298
299 #define PCI_DFLT_LTNCY 0x40
300 #define PCI_DFLT_LNSZ 0x10
301
302
303 static int isp_pci_probe(struct device *, struct cfdata *, void *);
304 static void isp_pci_attach(struct device *, struct device *, void *);
305
306 struct isp_pcisoftc {
307 struct ispsoftc pci_isp;
308 pci_chipset_tag_t pci_pc;
309 pcitag_t pci_tag;
310 bus_space_tag_t pci_st;
311 bus_space_handle_t pci_sh;
312 bus_dmamap_t *pci_xfer_dmap;
313 void * pci_ih;
314 int16_t pci_poff[_NREG_BLKS];
315 };
316
317 CFATTACH_DECL(isp_pci, sizeof (struct isp_pcisoftc),
318 isp_pci_probe, isp_pci_attach, NULL, NULL);
319
320 #ifdef DEBUG
321 const char vstring[] =
322 "Qlogic ISP Driver, NetBSD (pci) Platform Version %d.%d Core Version %d.%d";
323 #endif
324
325 static int
326 isp_pci_probe(struct device *parent, struct cfdata *match, void *aux)
327 {
328 struct pci_attach_args *pa = aux;
329 switch (pa->pa_id) {
330 #ifndef ISP_DISABLE_1020_SUPPORT
331 case PCI_QLOGIC_ISP:
332 return (1);
333 #endif
334 #ifndef ISP_DISABLE_1080_SUPPORT
335 case PCI_QLOGIC_ISP1080:
336 case PCI_QLOGIC_ISP1240:
337 case PCI_QLOGIC_ISP1280:
338 return (1);
339 #endif
340 #ifndef ISP_DISABLE_12160_SUPPORT
341 case PCI_QLOGIC_ISP10160:
342 case PCI_QLOGIC_ISP12160:
343 return (1);
344 #endif
345 #ifndef ISP_DISABLE_2100_SUPPORT
346 case PCI_QLOGIC_ISP2100:
347 return (1);
348 #endif
349 #ifndef ISP_DISABLE_2200_SUPPORT
350 case PCI_QLOGIC_ISP2200:
351 return (1);
352 #endif
353 #ifndef ISP_DISABLE_2300_SUPPORT
354 case PCI_QLOGIC_ISP2300:
355 case PCI_QLOGIC_ISP2312:
356 return (1);
357 #endif
358 default:
359 return (0);
360 }
361 }
362
363
364 static void
365 isp_pci_attach(struct device *parent, struct device *self, void *aux)
366 {
367 #ifdef DEBUG
368 static char oneshot = 1;
369 #endif
370 static const char nomem[] = "\n%s: no mem for sdparam table\n";
371 u_int32_t data, rev, linesz = PCI_DFLT_LNSZ;
372 struct pci_attach_args *pa = aux;
373 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) self;
374 struct ispsoftc *isp = &pcs->pci_isp;
375 bus_space_tag_t st, iot, memt;
376 bus_space_handle_t sh, ioh, memh;
377 pci_intr_handle_t ih;
378 char *dstring;
379 const char *intrstr;
380 int ioh_valid, memh_valid;
381
382 ioh_valid = (pci_mapreg_map(pa, IO_MAP_REG,
383 PCI_MAPREG_TYPE_IO, 0,
384 &iot, &ioh, NULL, NULL) == 0);
385 memh_valid = (pci_mapreg_map(pa, MEM_MAP_REG,
386 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
387 &memt, &memh, NULL, NULL) == 0);
388 if (memh_valid) {
389 st = memt;
390 sh = memh;
391 } else if (ioh_valid) {
392 st = iot;
393 sh = ioh;
394 } else {
395 printf(": unable to map device registers\n");
396 return;
397 }
398 dstring = "\n";
399
400 pcs->pci_st = st;
401 pcs->pci_sh = sh;
402 pcs->pci_pc = pa->pa_pc;
403 pcs->pci_tag = pa->pa_tag;
404 pcs->pci_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
405 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS_OFF;
406 pcs->pci_poff[SXP_BLOCK >> _BLK_REG_SHFT] = PCI_SXP_REGS_OFF;
407 pcs->pci_poff[RISC_BLOCK >> _BLK_REG_SHFT] = PCI_RISC_REGS_OFF;
408 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
409 rev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG) & 0xff;
410
411 #ifndef ISP_DISABLE_1020_SUPPORT
412 if (pa->pa_id == PCI_QLOGIC_ISP) {
413 dstring = ": QLogic 1020 Ultra Wide SCSI HBA\n";
414 isp->isp_mdvec = &mdvec;
415 isp->isp_type = ISP_HA_SCSI_UNKNOWN;
416 isp->isp_param = malloc(sizeof (sdparam), M_DEVBUF, M_NOWAIT);
417 if (isp->isp_param == NULL) {
418 printf(nomem, isp->isp_name);
419 return;
420 }
421 memset(isp->isp_param, 0, sizeof (sdparam));
422 }
423 #endif
424 #ifndef ISP_DISABLE_1080_SUPPORT
425 if (pa->pa_id == PCI_QLOGIC_ISP1080) {
426 dstring = ": QLogic 1080 Ultra-2 Wide SCSI HBA\n";
427 isp->isp_mdvec = &mdvec_1080;
428 isp->isp_type = ISP_HA_SCSI_1080;
429 isp->isp_param = malloc(sizeof (sdparam), M_DEVBUF, M_NOWAIT);
430 if (isp->isp_param == NULL) {
431 printf(nomem, isp->isp_name);
432 return;
433 }
434 memset(isp->isp_param, 0, sizeof (sdparam));
435 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
436 ISP1080_DMA_REGS_OFF;
437 }
438 if (pa->pa_id == PCI_QLOGIC_ISP1240) {
439 dstring = ": QLogic Dual Channel Ultra Wide SCSI HBA\n";
440 isp->isp_mdvec = &mdvec_1080;
441 isp->isp_type = ISP_HA_SCSI_1240;
442 isp->isp_param =
443 malloc(2 * sizeof (sdparam), M_DEVBUF, M_NOWAIT);
444 if (isp->isp_param == NULL) {
445 printf(nomem, isp->isp_name);
446 return;
447 }
448 memset(isp->isp_param, 0, 2 * sizeof (sdparam));
449 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
450 ISP1080_DMA_REGS_OFF;
451 }
452 if (pa->pa_id == PCI_QLOGIC_ISP1280) {
453 dstring = ": QLogic Dual Channel Ultra-2 Wide SCSI HBA\n";
454 isp->isp_mdvec = &mdvec_1080;
455 isp->isp_type = ISP_HA_SCSI_1280;
456 isp->isp_param =
457 malloc(2 * sizeof (sdparam), M_DEVBUF, M_NOWAIT);
458 if (isp->isp_param == NULL) {
459 printf(nomem, isp->isp_name);
460 return;
461 }
462 memset(isp->isp_param, 0, 2 * sizeof (sdparam));
463 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
464 ISP1080_DMA_REGS_OFF;
465 }
466 #endif
467 #ifndef ISP_DISABLE_12160_SUPPORT
468 if (pa->pa_id == PCI_QLOGIC_ISP10160) {
469 dstring = ": QLogic Ultra-3 Wide SCSI HBA\n";
470 isp->isp_mdvec = &mdvec_12160;
471 isp->isp_type = ISP_HA_SCSI_10160;
472 isp->isp_param = malloc(sizeof (sdparam), M_DEVBUF, M_NOWAIT);
473 if (isp->isp_param == NULL) {
474 printf(nomem, isp->isp_name);
475 return;
476 }
477 memset(isp->isp_param, 0, sizeof (sdparam));
478 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
479 ISP1080_DMA_REGS_OFF;
480 }
481 if (pa->pa_id == PCI_QLOGIC_ISP12160) {
482 dstring = ": QLogic Dual Channel Ultra-3 Wide SCSI HBA\n";
483 isp->isp_mdvec = &mdvec_12160;
484 isp->isp_type = ISP_HA_SCSI_12160;
485 isp->isp_param =
486 malloc(2 * sizeof (sdparam), M_DEVBUF, M_NOWAIT);
487 if (isp->isp_param == NULL) {
488 printf(nomem, isp->isp_name);
489 return;
490 }
491 memset(isp->isp_param, 0, 2 * sizeof (sdparam));
492 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
493 ISP1080_DMA_REGS_OFF;
494 }
495 #endif
496 #ifndef ISP_DISABLE_2100_SUPPORT
497 if (pa->pa_id == PCI_QLOGIC_ISP2100) {
498 dstring = ": QLogic FC-AL HBA\n";
499 isp->isp_mdvec = &mdvec_2100;
500 isp->isp_type = ISP_HA_FC_2100;
501 isp->isp_param = malloc(sizeof (fcparam), M_DEVBUF, M_NOWAIT);
502 if (isp->isp_param == NULL) {
503 printf(nomem, isp->isp_name);
504 return;
505 }
506 memset(isp->isp_param, 0, sizeof (fcparam));
507 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] =
508 PCI_MBOX_REGS2100_OFF;
509 if (rev < 3) {
510 /*
511 * XXX: Need to get the actual revision
512 * XXX: number of the 2100 FB. At any rate,
513 * XXX: lower cache line size for early revision
514 * XXX; boards.
515 */
516 linesz = 1;
517 }
518 }
519 #endif
520 #ifndef ISP_DISABLE_2200_SUPPORT
521 if (pa->pa_id == PCI_QLOGIC_ISP2200) {
522 dstring = ": QLogic FC-AL and Fabric HBA\n";
523 isp->isp_mdvec = &mdvec_2200;
524 isp->isp_type = ISP_HA_FC_2200;
525 isp->isp_param = malloc(sizeof (fcparam), M_DEVBUF, M_NOWAIT);
526 if (isp->isp_param == NULL) {
527 printf(nomem, isp->isp_name);
528 return;
529 }
530 memset(isp->isp_param, 0, sizeof (fcparam));
531 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] =
532 PCI_MBOX_REGS2100_OFF;
533 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG);
534 }
535 #endif
536 #ifndef ISP_DISABLE_2300_SUPPORT
537 if (pa->pa_id == PCI_QLOGIC_ISP2300 ||
538 pa->pa_id == PCI_QLOGIC_ISP2312) {
539 isp->isp_mdvec = &mdvec_2300;
540 if (pa->pa_id == PCI_QLOGIC_ISP2300) {
541 dstring = ": QLogic FC-AL and 2Gbps Fabric HBA\n";
542 isp->isp_type = ISP_HA_FC_2300;
543 } else {
544 dstring =
545 ": QLogic Dual Port FC-AL and 2Gbps Fabric HBA\n";
546 isp->isp_type = ISP_HA_FC_2312;
547 isp->isp_port = pa->pa_function;
548 }
549 isp->isp_param = malloc(sizeof (fcparam), M_DEVBUF, M_NOWAIT);
550 if (isp->isp_param == NULL) {
551 printf(nomem, isp->isp_name);
552 return;
553 }
554 memset(isp->isp_param, 0, sizeof (fcparam));
555 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] =
556 PCI_MBOX_REGS2300_OFF;
557 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG);
558 }
559 #endif
560 /*
561 * Set up logging levels.
562 */
563 #ifdef ISP_LOGDEFAULT
564 isp->isp_dblev = ISP_LOGDEFAULT;
565 #else
566 isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
567 if (bootverbose)
568 isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
569 #ifdef SCSIDEBUG
570 isp->isp_dblev |= ISP_LOGDEBUG0|ISP_LOGDEBUG1|ISP_LOGDEBUG2;
571 #endif
572 #endif
573 if (isp->isp_dblev & ISP_LOGCONFIG) {
574 printf("\n");
575 } else {
576 printf(dstring);
577 }
578
579 #ifdef DEBUG
580 if (oneshot) {
581 oneshot = 0;
582 isp_prt(isp, ISP_LOGCONFIG, vstring,
583 ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
584 ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
585 }
586 #endif
587
588 isp->isp_dmatag = pa->pa_dmat;
589 isp->isp_revision = rev;
590
591 /*
592 * Make sure that command register set sanely.
593 */
594 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
595 data |= PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_INVALIDATE_ENABLE;
596
597 /*
598 * Not so sure about these- but I think it's important that they get
599 * enabled......
600 */
601 data |= PCI_COMMAND_PARITY_ENABLE | PCI_COMMAND_SERR_ENABLE;
602 if (IS_2300(isp)) { /* per QLogic errata */
603 data &= ~PCI_COMMAND_INVALIDATE_ENABLE;
604 }
605 if (IS_23XX(isp)) {
606 isp->isp_touched = 1;
607 }
608 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, data);
609
610 /*
611 * Make sure that the latency timer, cache line size,
612 * and ROM is disabled.
613 */
614 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
615 data &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
616 data &= ~(PCI_CACHELINE_MASK << PCI_CACHELINE_SHIFT);
617 data |= (PCI_DFLT_LTNCY << PCI_LATTIMER_SHIFT);
618 data |= (linesz << PCI_CACHELINE_SHIFT);
619 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG, data);
620
621 data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCIR_ROMADDR);
622 data &= ~1;
623 pci_conf_write(pa->pa_pc, pa->pa_tag, PCIR_ROMADDR, data);
624
625 if (pci_intr_map(pa, &ih)) {
626 printf("%s: couldn't map interrupt\n", isp->isp_name);
627 free(isp->isp_param, M_DEVBUF);
628 return;
629 }
630 intrstr = pci_intr_string(pa->pa_pc, ih);
631 if (intrstr == NULL)
632 intrstr = "<I dunno>";
633 pcs->pci_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO,
634 isp_pci_intr, isp);
635 if (pcs->pci_ih == NULL) {
636 printf("%s: couldn't establish interrupt at %s\n",
637 isp->isp_name, intrstr);
638 free(isp->isp_param, M_DEVBUF);
639 return;
640 }
641
642 printf("%s: interrupting at %s\n", isp->isp_name, intrstr);
643
644 if (IS_FC(isp)) {
645 DEFAULT_NODEWWN(isp) = 0x400000007F000002ULL;
646 DEFAULT_PORTWWN(isp) = 0x400000007F000002ULL;
647 }
648
649 isp->isp_confopts = self->dv_cfdata->cf_flags;
650 isp->isp_role = ISP_DEFAULT_ROLES;
651 ISP_LOCK(isp);
652 isp->isp_osinfo.no_mbox_ints = 1;
653 isp_reset(isp);
654 if (isp->isp_state != ISP_RESETSTATE) {
655 ISP_UNLOCK(isp);
656 free(isp->isp_param, M_DEVBUF);
657 return;
658 }
659 ENABLE_INTS(isp);
660 isp_init(isp);
661 if (isp->isp_state != ISP_INITSTATE) {
662 isp_uninit(isp);
663 ISP_UNLOCK(isp);
664 free(isp->isp_param, M_DEVBUF);
665 return;
666 }
667 /*
668 * Do platform attach.
669 */
670 ISP_UNLOCK(isp);
671 isp_attach(isp);
672 if (isp->isp_state != ISP_RUNSTATE) {
673 ISP_LOCK(isp);
674 isp_uninit(isp);
675 free(isp->isp_param, M_DEVBUF);
676 ISP_UNLOCK(isp);
677 }
678 }
679
680 #define IspVirt2Off(a, x) \
681 (((struct isp_pcisoftc *)a)->pci_poff[((x) & _BLK_REG_MASK) >> \
682 _BLK_REG_SHFT] + ((x) & 0xff))
683
684 #define BXR2(pcs, off) \
685 bus_space_read_2(pcs->pci_st, pcs->pci_sh, off)
686 #define BXW2(pcs, off, v) \
687 bus_space_write_2(pcs->pci_st, pcs->pci_sh, off, v)
688
689
690 static INLINE int
691 isp_pci_rd_debounced(struct ispsoftc *isp, int off, u_int16_t *rp)
692 {
693 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
694 u_int16_t val0, val1;
695 int i = 0;
696
697 do {
698 val0 = BXR2(pcs, IspVirt2Off(isp, off));
699 val1 = BXR2(pcs, IspVirt2Off(isp, off));
700 } while (val0 != val1 && ++i < 1000);
701 if (val0 != val1) {
702 return (1);
703 }
704 *rp = val0;
705 return (0);
706 }
707
708 static int
709 isp_pci_rd_isr(struct ispsoftc *isp, u_int16_t *isrp,
710 u_int16_t *semap, u_int16_t *mbp)
711 {
712 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
713 u_int16_t isr, sema;
714
715 if (IS_2100(isp)) {
716 if (isp_pci_rd_debounced(isp, BIU_ISR, &isr)) {
717 return (0);
718 }
719 if (isp_pci_rd_debounced(isp, BIU_SEMA, &sema)) {
720 return (0);
721 }
722 } else {
723 isr = BXR2(pcs, IspVirt2Off(isp, BIU_ISR));
724 sema = BXR2(pcs, IspVirt2Off(isp, BIU_SEMA));
725 }
726 isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema);
727 isr &= INT_PENDING_MASK(isp);
728 sema &= BIU_SEMA_LOCK;
729 if (isr == 0 && sema == 0) {
730 return (0);
731 }
732 *isrp = isr;
733 if ((*semap = sema) != 0) {
734 if (IS_2100(isp)) {
735 if (isp_pci_rd_debounced(isp, OUTMAILBOX0, mbp)) {
736 return (0);
737 }
738 } else {
739 *mbp = BXR2(pcs, IspVirt2Off(isp, OUTMAILBOX0));
740 }
741 }
742 return (1);
743 }
744
745 #ifndef ISP_DISABLE_2300_SUPPORT
746 static int
747 isp_pci_rd_isr_2300(struct ispsoftc *isp, u_int16_t *isrp,
748 u_int16_t *semap, u_int16_t *mbox0p)
749 {
750 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
751 u_int32_t r2hisr;
752
753 if (!(BXR2(pcs, IspVirt2Off(isp, BIU_ISR)) & BIU2100_ISR_RISC_INT)) {
754 *isrp = 0;
755 return (0);
756 }
757 r2hisr = bus_space_read_4(pcs->pci_st, pcs->pci_sh,
758 IspVirt2Off(pcs, BIU_R2HSTSLO));
759 isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr);
760 if ((r2hisr & BIU_R2HST_INTR) == 0) {
761 *isrp = 0;
762 return (0);
763 }
764 switch (r2hisr & BIU_R2HST_ISTAT_MASK) {
765 case ISPR2HST_ROM_MBX_OK:
766 case ISPR2HST_ROM_MBX_FAIL:
767 case ISPR2HST_MBX_OK:
768 case ISPR2HST_MBX_FAIL:
769 case ISPR2HST_ASYNC_EVENT:
770 *isrp = r2hisr & 0xffff;
771 *mbox0p = (r2hisr >> 16);
772 *semap = 1;
773 return (1);
774 case ISPR2HST_RIO_16:
775 *isrp = r2hisr & 0xffff;
776 *mbox0p = ASYNC_RIO1;
777 *semap = 1;
778 return (1);
779 case ISPR2HST_FPOST:
780 *isrp = r2hisr & 0xffff;
781 *mbox0p = ASYNC_CMD_CMPLT;
782 *semap = 1;
783 return (1);
784 case ISPR2HST_FPOST_CTIO:
785 *isrp = r2hisr & 0xffff;
786 *mbox0p = ASYNC_CTIO_DONE;
787 *semap = 1;
788 return (1);
789 case ISPR2HST_RSPQ_UPDATE:
790 *isrp = r2hisr & 0xffff;
791 *mbox0p = 0;
792 *semap = 0;
793 return (1);
794 default:
795 return (0);
796 }
797 }
798 #endif
799
800 static u_int16_t
801 isp_pci_rd_reg(struct ispsoftc *isp, int regoff)
802 {
803 u_int16_t rv;
804 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
805 int oldconf = 0;
806
807 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
808 /*
809 * We will assume that someone has paused the RISC processor.
810 */
811 oldconf = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
812 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1),
813 oldconf | BIU_PCI_CONF1_SXP);
814 }
815 rv = BXR2(pcs, IspVirt2Off(isp, regoff));
816 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
817 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oldconf);
818 }
819 return (rv);
820 }
821
822 static void
823 isp_pci_wr_reg(struct ispsoftc *isp, int regoff, u_int16_t val)
824 {
825 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
826 int oldconf = 0;
827
828 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
829 /*
830 * We will assume that someone has paused the RISC processor.
831 */
832 oldconf = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
833 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1),
834 oldconf | BIU_PCI_CONF1_SXP);
835 }
836 BXW2(pcs, IspVirt2Off(isp, regoff), val);
837 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
838 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oldconf);
839 }
840 }
841
842 #if !(defined(ISP_DISABLE_1080_SUPPORT) && defined(ISP_DISABLE_12160_SUPPORT))
843 static u_int16_t
844 isp_pci_rd_reg_1080(struct ispsoftc *isp, int regoff)
845 {
846 u_int16_t rv, oc = 0;
847 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
848
849 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK ||
850 (regoff & _BLK_REG_MASK) == (SXP_BLOCK|SXP_BANK1_SELECT)) {
851 u_int16_t tc;
852 /*
853 * We will assume that someone has paused the RISC processor.
854 */
855 oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
856 tc = oc & ~BIU_PCI1080_CONF1_DMA;
857 if (regoff & SXP_BANK1_SELECT)
858 tc |= BIU_PCI1080_CONF1_SXP1;
859 else
860 tc |= BIU_PCI1080_CONF1_SXP0;
861 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), tc);
862 } else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
863 oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
864 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1),
865 oc | BIU_PCI1080_CONF1_DMA);
866 }
867 rv = BXR2(pcs, IspVirt2Off(isp, regoff));
868 if (oc) {
869 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oc);
870 }
871 return (rv);
872 }
873
874 static void
875 isp_pci_wr_reg_1080(struct ispsoftc *isp, int regoff, u_int16_t val)
876 {
877 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
878 int oc = 0;
879
880 if ((regoff & _BLK_REG_MASK) == SXP_BLOCK ||
881 (regoff & _BLK_REG_MASK) == (SXP_BLOCK|SXP_BANK1_SELECT)) {
882 u_int16_t tc;
883 /*
884 * We will assume that someone has paused the RISC processor.
885 */
886 oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
887 tc = oc & ~BIU_PCI1080_CONF1_DMA;
888 if (regoff & SXP_BANK1_SELECT)
889 tc |= BIU_PCI1080_CONF1_SXP1;
890 else
891 tc |= BIU_PCI1080_CONF1_SXP0;
892 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), tc);
893 } else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
894 oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
895 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1),
896 oc | BIU_PCI1080_CONF1_DMA);
897 }
898 BXW2(pcs, IspVirt2Off(isp, regoff), val);
899 if (oc) {
900 BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oc);
901 }
902 }
903 #endif
904
905 static int
906 isp_pci_mbxdma(struct ispsoftc *isp)
907 {
908 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
909 bus_dma_tag_t dmat = isp->isp_dmatag;
910 bus_dma_segment_t sg;
911 bus_size_t len;
912 fcparam *fcp;
913 int rs, i;
914
915 if (isp->isp_rquest_dma) /* been here before? */
916 return (0);
917
918 len = isp->isp_maxcmds * sizeof (XS_T *);
919 isp->isp_xflist = (XS_T **) malloc(len, M_DEVBUF, M_WAITOK);
920 if (isp->isp_xflist == NULL) {
921 isp_prt(isp, ISP_LOGERR, "cannot malloc xflist array");
922 return (1);
923 }
924 memset(isp->isp_xflist, 0, len);
925 len = isp->isp_maxcmds * sizeof (bus_dmamap_t);
926 pcs->pci_xfer_dmap = (bus_dmamap_t *) malloc(len, M_DEVBUF, M_WAITOK);
927 if (pcs->pci_xfer_dmap == NULL) {
928 free(isp->isp_xflist, M_DEVBUF);
929 isp->isp_xflist = NULL;
930 isp_prt(isp, ISP_LOGERR, "cannot malloc DMA map array");
931 return (1);
932 }
933 for (i = 0; i < isp->isp_maxcmds; i++) {
934 if (bus_dmamap_create(dmat, MAXPHYS, (MAXPHYS / PAGE_SIZE) + 1,
935 MAXPHYS, 0, BUS_DMA_NOWAIT, &pcs->pci_xfer_dmap[i])) {
936 isp_prt(isp, ISP_LOGERR, "cannot create DMA maps");
937 break;
938 }
939 }
940 if (i < isp->isp_maxcmds) {
941 while (--i >= 0) {
942 bus_dmamap_destroy(dmat, pcs->pci_xfer_dmap[i]);
943 }
944 free(isp->isp_xflist, M_DEVBUF);
945 free(pcs->pci_xfer_dmap, M_DEVBUF);
946 isp->isp_xflist = NULL;
947 pcs->pci_xfer_dmap = NULL;
948 return (1);
949 }
950
951 /*
952 * Allocate and map the request queue.
953 */
954 len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
955 if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs,
956 BUS_DMA_NOWAIT) ||
957 bus_dmamem_map(isp->isp_dmatag, &sg, rs, len,
958 (caddr_t *)&isp->isp_rquest, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
959 goto dmafail;
960 }
961
962 if (bus_dmamap_create(dmat, len, 1, len, 0, BUS_DMA_NOWAIT,
963 &isp->isp_rqdmap) || bus_dmamap_load(dmat, isp->isp_rqdmap,
964 (caddr_t)isp->isp_rquest, len, NULL,
965 BUS_DMA_NOWAIT)) {
966 goto dmafail;
967 }
968 isp->isp_rquest_dma = isp->isp_rqdmap->dm_segs[0].ds_addr;
969
970 /*
971 * Allocate and map the result queue.
972 */
973 len = ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
974 if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs,
975 BUS_DMA_NOWAIT) ||
976 bus_dmamem_map(dmat, &sg, rs, len, (caddr_t *)&isp->isp_result,
977 BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
978 goto dmafail;
979 }
980 if (bus_dmamap_create(dmat, len, 1, len, 0, BUS_DMA_NOWAIT,
981 &isp->isp_rsdmap) || bus_dmamap_load(isp->isp_dmatag,
982 isp->isp_rsdmap, (caddr_t)isp->isp_result, len, NULL,
983 BUS_DMA_NOWAIT)) {
984 goto dmafail;
985 }
986 isp->isp_result_dma = isp->isp_rsdmap->dm_segs[0].ds_addr;
987
988 if (IS_SCSI(isp)) {
989 return (0);
990 }
991
992 fcp = isp->isp_param;
993 len = ISP2100_SCRLEN;
994 if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs,
995 BUS_DMA_NOWAIT) ||
996 bus_dmamem_map(dmat, &sg, rs, len, (caddr_t *)&fcp->isp_scratch,
997 BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
998 goto dmafail;
999 }
1000 if (bus_dmamap_create(dmat, len, 1, len, 0, BUS_DMA_NOWAIT,
1001 &isp->isp_scdmap) || bus_dmamap_load(dmat,
1002 isp->isp_scdmap, (caddr_t)fcp->isp_scratch, len, NULL,
1003 BUS_DMA_NOWAIT)) {
1004 goto dmafail;
1005 }
1006 fcp->isp_scdma = isp->isp_scdmap->dm_segs[0].ds_addr;
1007 return (0);
1008 dmafail:
1009 isp_prt(isp, ISP_LOGERR, "mailbox DMA setup failure");
1010 for (i = 0; i < isp->isp_maxcmds; i++) {
1011 bus_dmamap_destroy(dmat, pcs->pci_xfer_dmap[i]);
1012 }
1013 free(isp->isp_xflist, M_DEVBUF);
1014 free(pcs->pci_xfer_dmap, M_DEVBUF);
1015 isp->isp_xflist = NULL;
1016 pcs->pci_xfer_dmap = NULL;
1017 return (1);
1018 }
1019
1020 static int
1021 isp_pci_dmasetup(struct ispsoftc *isp, struct scsipi_xfer *xs, ispreq_t *rq,
1022 u_int16_t *nxtip, u_int16_t optr)
1023 {
1024 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
1025 bus_dmamap_t dmap;
1026 u_int16_t starti = isp->isp_reqidx, nxti = *nxtip;
1027 ispreq_t *qep;
1028 int segcnt, seg, error, ovseg, seglim, drq;
1029
1030 qep = (ispreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, starti);
1031 dmap = pcs->pci_xfer_dmap[isp_handle_index(rq->req_handle)];
1032 if (xs->datalen == 0) {
1033 rq->req_seg_count = 1;
1034 goto mbxsync;
1035 }
1036 if (xs->xs_control & XS_CTL_DATA_IN) {
1037 drq = REQFLAG_DATA_IN;
1038 } else {
1039 drq = REQFLAG_DATA_OUT;
1040 }
1041
1042 if (IS_FC(isp)) {
1043 seglim = ISP_RQDSEG_T2;
1044 ((ispreqt2_t *)rq)->req_totalcnt = xs->datalen;
1045 ((ispreqt2_t *)rq)->req_flags |= drq;
1046 } else {
1047 rq->req_flags |= drq;
1048 if (XS_CDBLEN(xs) > 12) {
1049 seglim = 0;
1050 } else {
1051 seglim = ISP_RQDSEG;
1052 }
1053 }
1054 error = bus_dmamap_load(isp->isp_dmatag, dmap, xs->data, xs->datalen,
1055 NULL, ((xs->xs_control & XS_CTL_NOSLEEP) ?
1056 BUS_DMA_NOWAIT : BUS_DMA_WAITOK) | BUS_DMA_STREAMING |
1057 ((xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMA_READ : BUS_DMA_WRITE));
1058 if (error) {
1059 isp_prt(isp, ISP_LOGWARN, "unable to load DMA (%d)", error);
1060 XS_SETERR(xs, HBA_BOTCH);
1061 if (error == EAGAIN || error == ENOMEM)
1062 return (CMD_EAGAIN);
1063 else
1064 return (CMD_COMPLETE);
1065 }
1066
1067 segcnt = dmap->dm_nsegs;
1068
1069 isp_prt(isp, ISP_LOGDEBUG2, "%d byte %s %p in %d segs",
1070 xs->datalen, (xs->xs_control & XS_CTL_DATA_IN)? "read to" :
1071 "write from", xs->data, segcnt);
1072
1073 for (seg = 0, rq->req_seg_count = 0;
1074 seglim && seg < segcnt && rq->req_seg_count < seglim;
1075 seg++, rq->req_seg_count++) {
1076 if (IS_FC(isp)) {
1077 ispreqt2_t *rq2 = (ispreqt2_t *)rq;
1078 rq2->req_dataseg[rq2->req_seg_count].ds_count =
1079 dmap->dm_segs[seg].ds_len;
1080 rq2->req_dataseg[rq2->req_seg_count].ds_base =
1081 dmap->dm_segs[seg].ds_addr;
1082 } else {
1083 rq->req_dataseg[rq->req_seg_count].ds_count =
1084 dmap->dm_segs[seg].ds_len;
1085 rq->req_dataseg[rq->req_seg_count].ds_base =
1086 dmap->dm_segs[seg].ds_addr;
1087 }
1088 isp_prt(isp, ISP_LOGDEBUG2, "seg0.[%d]={0x%lx,%lu}",
1089 rq->req_seg_count, (long) dmap->dm_segs[seg].ds_addr,
1090 (unsigned long) dmap->dm_segs[seg].ds_len);
1091 }
1092
1093 if (seg == segcnt) {
1094 goto dmasync;
1095 }
1096
1097 do {
1098 u_int16_t onxti;
1099 ispcontreq_t *crq, *cqe, local;
1100
1101 crq = &local;
1102
1103 cqe = (ispcontreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, nxti);
1104 onxti = nxti;
1105 nxti = ISP_NXT_QENTRY(onxti, RQUEST_QUEUE_LEN(isp));
1106 if (nxti == optr) {
1107 isp_prt(isp, /* ISP_LOGDEBUG0 */ ISP_LOGERR, "Request Queue Overflow++");
1108 bus_dmamap_unload(isp->isp_dmatag, dmap);
1109 XS_SETERR(xs, HBA_BOTCH);
1110 return (CMD_EAGAIN);
1111 }
1112 rq->req_header.rqs_entry_count++;
1113 memset((void *)crq, 0, sizeof (*crq));
1114 crq->req_header.rqs_entry_count = 1;
1115 crq->req_header.rqs_entry_type = RQSTYPE_DATASEG;
1116
1117 for (ovseg = 0; seg < segcnt && ovseg < ISP_CDSEG;
1118 rq->req_seg_count++, seg++, ovseg++) {
1119 crq->req_dataseg[ovseg].ds_count =
1120 dmap->dm_segs[seg].ds_len;
1121 crq->req_dataseg[ovseg].ds_base =
1122 dmap->dm_segs[seg].ds_addr;
1123 isp_prt(isp, ISP_LOGDEBUG2, "seg%d.[%d]={0x%lx,%lu}",
1124 rq->req_header.rqs_entry_count - 1,
1125 rq->req_seg_count, (long)dmap->dm_segs[seg].ds_addr,
1126 (unsigned long) dmap->dm_segs[seg].ds_len);
1127 }
1128 isp_put_cont_req(isp, crq, cqe);
1129 MEMORYBARRIER(isp, SYNC_REQUEST, onxti, QENTRY_LEN);
1130 } while (seg < segcnt);
1131
1132
1133 dmasync:
1134 bus_dmamap_sync(isp->isp_dmatag, dmap, 0, dmap->dm_mapsize,
1135 (xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMASYNC_PREREAD :
1136 BUS_DMASYNC_PREWRITE);
1137
1138 mbxsync:
1139 switch (rq->req_header.rqs_entry_type) {
1140 case RQSTYPE_REQUEST:
1141 isp_put_request(isp, rq, qep);
1142 break;
1143 case RQSTYPE_CMDONLY:
1144 isp_put_extended_request(isp, (ispextreq_t *)rq,
1145 (ispextreq_t *)qep);
1146 break;
1147 case RQSTYPE_T2RQS:
1148 isp_put_request_t2(isp, (ispreqt2_t *) rq, (ispreqt2_t *) qep);
1149 break;
1150 }
1151 *nxtip = nxti;
1152 return (CMD_QUEUED);
1153 }
1154
1155 static int
1156 isp_pci_intr(void *arg)
1157 {
1158 u_int16_t isr, sema, mbox;
1159 struct ispsoftc *isp = arg;
1160
1161 isp->isp_intcnt++;
1162 if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) {
1163 isp->isp_intbogus++;
1164 return (0);
1165 } else {
1166 isp->isp_osinfo.onintstack = 1;
1167 isp_intr(isp, isr, sema, mbox);
1168 isp->isp_osinfo.onintstack = 0;
1169 return (1);
1170 }
1171 }
1172
1173 static void
1174 isp_pci_dmateardown(struct ispsoftc *isp, XS_T *xs, u_int16_t handle)
1175 {
1176 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
1177 bus_dmamap_t dmap = pcs->pci_xfer_dmap[isp_handle_index(handle)];
1178 bus_dmamap_sync(isp->isp_dmatag, dmap, 0, dmap->dm_mapsize,
1179 xs->xs_control & XS_CTL_DATA_IN ?
1180 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
1181 bus_dmamap_unload(isp->isp_dmatag, dmap);
1182 }
1183
1184 static void
1185 isp_pci_reset1(struct ispsoftc *isp)
1186 {
1187 /* Make sure the BIOS is disabled */
1188 isp_pci_wr_reg(isp, HCCR, PCI_HCCR_CMD_BIOS);
1189 if (isp->isp_osinfo.no_mbox_ints == 0) {
1190 ENABLE_INTS(isp);
1191 }
1192
1193 }
1194
1195 static void
1196 isp_pci_dumpregs(struct ispsoftc *isp, const char *msg)
1197 {
1198 struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
1199 if (msg)
1200 printf("%s: %s\n", isp->isp_name, msg);
1201 if (IS_SCSI(isp))
1202 printf(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
1203 else
1204 printf(" biu_csr=%x", ISP_READ(isp, BIU2100_CSR));
1205 printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
1206 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
1207 printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
1208
1209
1210 if (IS_SCSI(isp)) {
1211 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
1212 printf(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
1213 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
1214 ISP_READ(isp, CDMA_FIFO_STS));
1215 printf(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
1216 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
1217 ISP_READ(isp, DDMA_FIFO_STS));
1218 printf(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
1219 ISP_READ(isp, SXP_INTERRUPT),
1220 ISP_READ(isp, SXP_GROSS_ERR),
1221 ISP_READ(isp, SXP_PINS_CTRL));
1222 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
1223 }
1224 printf(" mbox regs: %x %x %x %x %x\n",
1225 ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
1226 ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
1227 ISP_READ(isp, OUTMAILBOX4));
1228 printf(" PCI Status Command/Status=%x\n",
1229 pci_conf_read(pcs->pci_pc, pcs->pci_tag, PCI_COMMAND_STATUS_REG));
1230 }
1231