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[FreeBSD/FreeBSD.git] / sys / dev / isp / isp_pci.c
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2009-2018 Alexander Motin <mav@FreeBSD.org>
5  * Copyright (c) 1997-2008 by Matthew Jacob
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice immediately at the beginning of the file, without modification,
13  *    this list of conditions, and the following disclaimer.
14  * 2. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
21  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 /*
30  * PCI specific probe and attach routines for Qlogic ISP SCSI adapters.
31  * FreeBSD Version.
32  */
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
35
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/module.h>
40 #include <sys/linker.h>
41 #include <sys/firmware.h>
42 #include <sys/bus.h>
43 #include <sys/stdint.h>
44 #include <dev/pci/pcireg.h>
45 #include <dev/pci/pcivar.h>
46 #include <machine/bus.h>
47 #include <machine/resource.h>
48 #include <sys/rman.h>
49 #include <sys/malloc.h>
50 #include <sys/uio.h>
51
52 #ifdef __sparc64__
53 #include <dev/ofw/openfirm.h>
54 #include <machine/ofw_machdep.h>
55 #endif
56
57 #include <dev/isp/isp_freebsd.h>
58
59 static uint32_t isp_pci_rd_reg(ispsoftc_t *, int);
60 static void isp_pci_wr_reg(ispsoftc_t *, int, uint32_t);
61 static uint32_t isp_pci_rd_reg_1080(ispsoftc_t *, int);
62 static void isp_pci_wr_reg_1080(ispsoftc_t *, int, uint32_t);
63 static uint32_t isp_pci_rd_reg_2400(ispsoftc_t *, int);
64 static void isp_pci_wr_reg_2400(ispsoftc_t *, int, uint32_t);
65 static uint32_t isp_pci_rd_reg_2600(ispsoftc_t *, int);
66 static void isp_pci_wr_reg_2600(ispsoftc_t *, int, uint32_t);
67 static void isp_pci_run_isr(ispsoftc_t *);
68 static void isp_pci_run_isr_2300(ispsoftc_t *);
69 static void isp_pci_run_isr_2400(ispsoftc_t *);
70 static int isp_pci_mbxdma(ispsoftc_t *);
71 static void isp_pci_mbxdmafree(ispsoftc_t *);
72 static int isp_pci_dmasetup(ispsoftc_t *, XS_T *, void *);
73 static int isp_pci_irqsetup(ispsoftc_t *);
74 static void isp_pci_dumpregs(ispsoftc_t *, const char *);
75
76 static struct ispmdvec mdvec = {
77         isp_pci_run_isr,
78         isp_pci_rd_reg,
79         isp_pci_wr_reg,
80         isp_pci_mbxdma,
81         isp_pci_dmasetup,
82         isp_common_dmateardown,
83         isp_pci_irqsetup,
84         isp_pci_dumpregs,
85         NULL,
86         BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
87 };
88
89 static struct ispmdvec mdvec_1080 = {
90         isp_pci_run_isr,
91         isp_pci_rd_reg_1080,
92         isp_pci_wr_reg_1080,
93         isp_pci_mbxdma,
94         isp_pci_dmasetup,
95         isp_common_dmateardown,
96         isp_pci_irqsetup,
97         isp_pci_dumpregs,
98         NULL,
99         BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
100 };
101
102 static struct ispmdvec mdvec_12160 = {
103         isp_pci_run_isr,
104         isp_pci_rd_reg_1080,
105         isp_pci_wr_reg_1080,
106         isp_pci_mbxdma,
107         isp_pci_dmasetup,
108         isp_common_dmateardown,
109         isp_pci_irqsetup,
110         isp_pci_dumpregs,
111         NULL,
112         BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
113 };
114
115 static struct ispmdvec mdvec_2100 = {
116         isp_pci_run_isr,
117         isp_pci_rd_reg,
118         isp_pci_wr_reg,
119         isp_pci_mbxdma,
120         isp_pci_dmasetup,
121         isp_common_dmateardown,
122         isp_pci_irqsetup,
123         isp_pci_dumpregs
124 };
125
126 static struct ispmdvec mdvec_2200 = {
127         isp_pci_run_isr,
128         isp_pci_rd_reg,
129         isp_pci_wr_reg,
130         isp_pci_mbxdma,
131         isp_pci_dmasetup,
132         isp_common_dmateardown,
133         isp_pci_irqsetup,
134         isp_pci_dumpregs
135 };
136
137 static struct ispmdvec mdvec_2300 = {
138         isp_pci_run_isr_2300,
139         isp_pci_rd_reg,
140         isp_pci_wr_reg,
141         isp_pci_mbxdma,
142         isp_pci_dmasetup,
143         isp_common_dmateardown,
144         isp_pci_irqsetup,
145         isp_pci_dumpregs
146 };
147
148 static struct ispmdvec mdvec_2400 = {
149         isp_pci_run_isr_2400,
150         isp_pci_rd_reg_2400,
151         isp_pci_wr_reg_2400,
152         isp_pci_mbxdma,
153         isp_pci_dmasetup,
154         isp_common_dmateardown,
155         isp_pci_irqsetup,
156         NULL
157 };
158
159 static struct ispmdvec mdvec_2500 = {
160         isp_pci_run_isr_2400,
161         isp_pci_rd_reg_2400,
162         isp_pci_wr_reg_2400,
163         isp_pci_mbxdma,
164         isp_pci_dmasetup,
165         isp_common_dmateardown,
166         isp_pci_irqsetup,
167         NULL
168 };
169
170 static struct ispmdvec mdvec_2600 = {
171         isp_pci_run_isr_2400,
172         isp_pci_rd_reg_2600,
173         isp_pci_wr_reg_2600,
174         isp_pci_mbxdma,
175         isp_pci_dmasetup,
176         isp_common_dmateardown,
177         isp_pci_irqsetup,
178         NULL
179 };
180
181 static struct ispmdvec mdvec_2700 = {
182         isp_pci_run_isr_2400,
183         isp_pci_rd_reg_2600,
184         isp_pci_wr_reg_2600,
185         isp_pci_mbxdma,
186         isp_pci_dmasetup,
187         isp_common_dmateardown,
188         isp_pci_irqsetup,
189         NULL
190 };
191
192 #ifndef PCIM_CMD_INVEN
193 #define PCIM_CMD_INVEN                  0x10
194 #endif
195 #ifndef PCIM_CMD_BUSMASTEREN
196 #define PCIM_CMD_BUSMASTEREN            0x0004
197 #endif
198 #ifndef PCIM_CMD_PERRESPEN
199 #define PCIM_CMD_PERRESPEN              0x0040
200 #endif
201 #ifndef PCIM_CMD_SEREN
202 #define PCIM_CMD_SEREN                  0x0100
203 #endif
204 #ifndef PCIM_CMD_INTX_DISABLE
205 #define PCIM_CMD_INTX_DISABLE           0x0400
206 #endif
207
208 #ifndef PCIR_COMMAND
209 #define PCIR_COMMAND                    0x04
210 #endif
211
212 #ifndef PCIR_CACHELNSZ
213 #define PCIR_CACHELNSZ                  0x0c
214 #endif
215
216 #ifndef PCIR_LATTIMER
217 #define PCIR_LATTIMER                   0x0d
218 #endif
219
220 #ifndef PCIR_ROMADDR
221 #define PCIR_ROMADDR                    0x30
222 #endif
223
224 #define PCI_VENDOR_QLOGIC               0x1077
225
226 #define PCI_PRODUCT_QLOGIC_ISP1020      0x1020
227 #define PCI_PRODUCT_QLOGIC_ISP1080      0x1080
228 #define PCI_PRODUCT_QLOGIC_ISP10160     0x1016
229 #define PCI_PRODUCT_QLOGIC_ISP12160     0x1216
230 #define PCI_PRODUCT_QLOGIC_ISP1240      0x1240
231 #define PCI_PRODUCT_QLOGIC_ISP1280      0x1280
232
233 #define PCI_PRODUCT_QLOGIC_ISP2100      0x2100
234 #define PCI_PRODUCT_QLOGIC_ISP2200      0x2200
235 #define PCI_PRODUCT_QLOGIC_ISP2300      0x2300
236 #define PCI_PRODUCT_QLOGIC_ISP2312      0x2312
237 #define PCI_PRODUCT_QLOGIC_ISP2322      0x2322
238 #define PCI_PRODUCT_QLOGIC_ISP2422      0x2422
239 #define PCI_PRODUCT_QLOGIC_ISP2432      0x2432
240 #define PCI_PRODUCT_QLOGIC_ISP2532      0x2532
241 #define PCI_PRODUCT_QLOGIC_ISP5432      0x5432
242 #define PCI_PRODUCT_QLOGIC_ISP6312      0x6312
243 #define PCI_PRODUCT_QLOGIC_ISP6322      0x6322
244 #define PCI_PRODUCT_QLOGIC_ISP2031      0x2031
245 #define PCI_PRODUCT_QLOGIC_ISP8031      0x8031
246 #define PCI_PRODUCT_QLOGIC_ISP2684      0x2171
247 #define PCI_PRODUCT_QLOGIC_ISP2692      0x2b61
248 #define PCI_PRODUCT_QLOGIC_ISP2714      0x2071
249 #define PCI_PRODUCT_QLOGIC_ISP2722      0x2261
250
251 #define PCI_QLOGIC_ISP1020      \
252         ((PCI_PRODUCT_QLOGIC_ISP1020 << 16) | PCI_VENDOR_QLOGIC)
253 #define PCI_QLOGIC_ISP1080      \
254         ((PCI_PRODUCT_QLOGIC_ISP1080 << 16) | PCI_VENDOR_QLOGIC)
255 #define PCI_QLOGIC_ISP10160     \
256         ((PCI_PRODUCT_QLOGIC_ISP10160 << 16) | PCI_VENDOR_QLOGIC)
257 #define PCI_QLOGIC_ISP12160     \
258         ((PCI_PRODUCT_QLOGIC_ISP12160 << 16) | PCI_VENDOR_QLOGIC)
259 #define PCI_QLOGIC_ISP1240      \
260         ((PCI_PRODUCT_QLOGIC_ISP1240 << 16) | PCI_VENDOR_QLOGIC)
261 #define PCI_QLOGIC_ISP1280      \
262         ((PCI_PRODUCT_QLOGIC_ISP1280 << 16) | PCI_VENDOR_QLOGIC)
263
264 #define PCI_QLOGIC_ISP2100      \
265         ((PCI_PRODUCT_QLOGIC_ISP2100 << 16) | PCI_VENDOR_QLOGIC)
266 #define PCI_QLOGIC_ISP2200      \
267         ((PCI_PRODUCT_QLOGIC_ISP2200 << 16) | PCI_VENDOR_QLOGIC)
268 #define PCI_QLOGIC_ISP2300      \
269         ((PCI_PRODUCT_QLOGIC_ISP2300 << 16) | PCI_VENDOR_QLOGIC)
270 #define PCI_QLOGIC_ISP2312      \
271         ((PCI_PRODUCT_QLOGIC_ISP2312 << 16) | PCI_VENDOR_QLOGIC)
272 #define PCI_QLOGIC_ISP2322      \
273         ((PCI_PRODUCT_QLOGIC_ISP2322 << 16) | PCI_VENDOR_QLOGIC)
274 #define PCI_QLOGIC_ISP2422      \
275         ((PCI_PRODUCT_QLOGIC_ISP2422 << 16) | PCI_VENDOR_QLOGIC)
276 #define PCI_QLOGIC_ISP2432      \
277         ((PCI_PRODUCT_QLOGIC_ISP2432 << 16) | PCI_VENDOR_QLOGIC)
278 #define PCI_QLOGIC_ISP2532      \
279         ((PCI_PRODUCT_QLOGIC_ISP2532 << 16) | PCI_VENDOR_QLOGIC)
280 #define PCI_QLOGIC_ISP5432      \
281         ((PCI_PRODUCT_QLOGIC_ISP5432 << 16) | PCI_VENDOR_QLOGIC)
282 #define PCI_QLOGIC_ISP6312      \
283         ((PCI_PRODUCT_QLOGIC_ISP6312 << 16) | PCI_VENDOR_QLOGIC)
284 #define PCI_QLOGIC_ISP6322      \
285         ((PCI_PRODUCT_QLOGIC_ISP6322 << 16) | PCI_VENDOR_QLOGIC)
286 #define PCI_QLOGIC_ISP2031      \
287         ((PCI_PRODUCT_QLOGIC_ISP2031 << 16) | PCI_VENDOR_QLOGIC)
288 #define PCI_QLOGIC_ISP8031      \
289         ((PCI_PRODUCT_QLOGIC_ISP8031 << 16) | PCI_VENDOR_QLOGIC)
290 #define PCI_QLOGIC_ISP2684      \
291         ((PCI_PRODUCT_QLOGIC_ISP2684 << 16) | PCI_VENDOR_QLOGIC)
292 #define PCI_QLOGIC_ISP2692      \
293         ((PCI_PRODUCT_QLOGIC_ISP2692 << 16) | PCI_VENDOR_QLOGIC)
294 #define PCI_QLOGIC_ISP2714      \
295         ((PCI_PRODUCT_QLOGIC_ISP2714 << 16) | PCI_VENDOR_QLOGIC)
296 #define PCI_QLOGIC_ISP2722      \
297         ((PCI_PRODUCT_QLOGIC_ISP2722 << 16) | PCI_VENDOR_QLOGIC)
298
299 /*
300  * Odd case for some AMI raid cards... We need to *not* attach to this.
301  */
302 #define AMI_RAID_SUBVENDOR_ID   0x101e
303
304 #define PCI_DFLT_LTNCY  0x40
305 #define PCI_DFLT_LNSZ   0x10
306
307 static int isp_pci_probe (device_t);
308 static int isp_pci_attach (device_t);
309 static int isp_pci_detach (device_t);
310
311
312 #define ISP_PCD(isp)    ((struct isp_pcisoftc *)isp)->pci_dev
313 struct isp_pcisoftc {
314         ispsoftc_t                      pci_isp;
315         device_t                        pci_dev;
316         struct resource *               regs;
317         struct resource *               regs1;
318         struct resource *               regs2;
319         struct {
320                 int                             iqd;
321                 struct resource *               irq;
322                 void *                          ih;
323         } irq[ISP_MAX_IRQS];
324         int                             rtp;
325         int                             rgd;
326         int                             rtp1;
327         int                             rgd1;
328         int                             rtp2;
329         int                             rgd2;
330         int16_t                         pci_poff[_NREG_BLKS];
331         bus_dma_tag_t                   dmat;
332         int                             msicount;
333 };
334
335
336 static device_method_t isp_pci_methods[] = {
337         /* Device interface */
338         DEVMETHOD(device_probe,         isp_pci_probe),
339         DEVMETHOD(device_attach,        isp_pci_attach),
340         DEVMETHOD(device_detach,        isp_pci_detach),
341         { 0, 0 }
342 };
343
344 static driver_t isp_pci_driver = {
345         "isp", isp_pci_methods, sizeof (struct isp_pcisoftc)
346 };
347 static devclass_t isp_devclass;
348 DRIVER_MODULE(isp, pci, isp_pci_driver, isp_devclass, 0, 0);
349 MODULE_DEPEND(isp, cam, 1, 1, 1);
350 MODULE_DEPEND(isp, firmware, 1, 1, 1);
351 static int isp_nvports = 0;
352
353 static int
354 isp_pci_probe(device_t dev)
355 {
356         switch ((pci_get_device(dev) << 16) | (pci_get_vendor(dev))) {
357         case PCI_QLOGIC_ISP1020:
358                 device_set_desc(dev, "Qlogic ISP 1020/1040 PCI SCSI Adapter");
359                 break;
360         case PCI_QLOGIC_ISP1080:
361                 device_set_desc(dev, "Qlogic ISP 1080 PCI SCSI Adapter");
362                 break;
363         case PCI_QLOGIC_ISP1240:
364                 device_set_desc(dev, "Qlogic ISP 1240 PCI SCSI Adapter");
365                 break;
366         case PCI_QLOGIC_ISP1280:
367                 device_set_desc(dev, "Qlogic ISP 1280 PCI SCSI Adapter");
368                 break;
369         case PCI_QLOGIC_ISP10160:
370                 device_set_desc(dev, "Qlogic ISP 10160 PCI SCSI Adapter");
371                 break;
372         case PCI_QLOGIC_ISP12160:
373                 if (pci_get_subvendor(dev) == AMI_RAID_SUBVENDOR_ID) {
374                         return (ENXIO);
375                 }
376                 device_set_desc(dev, "Qlogic ISP 12160 PCI SCSI Adapter");
377                 break;
378         case PCI_QLOGIC_ISP2100:
379                 device_set_desc(dev, "Qlogic ISP 2100 PCI FC-AL Adapter");
380                 break;
381         case PCI_QLOGIC_ISP2200:
382                 device_set_desc(dev, "Qlogic ISP 2200 PCI FC-AL Adapter");
383                 break;
384         case PCI_QLOGIC_ISP2300:
385                 device_set_desc(dev, "Qlogic ISP 2300 PCI FC-AL Adapter");
386                 break;
387         case PCI_QLOGIC_ISP2312:
388                 device_set_desc(dev, "Qlogic ISP 2312 PCI FC-AL Adapter");
389                 break;
390         case PCI_QLOGIC_ISP2322:
391                 device_set_desc(dev, "Qlogic ISP 2322 PCI FC-AL Adapter");
392                 break;
393         case PCI_QLOGIC_ISP2422:
394                 device_set_desc(dev, "Qlogic ISP 2422 PCI FC-AL Adapter");
395                 break;
396         case PCI_QLOGIC_ISP2432:
397                 device_set_desc(dev, "Qlogic ISP 2432 PCI FC-AL Adapter");
398                 break;
399         case PCI_QLOGIC_ISP2532:
400                 device_set_desc(dev, "Qlogic ISP 2532 PCI FC-AL Adapter");
401                 break;
402         case PCI_QLOGIC_ISP5432:
403                 device_set_desc(dev, "Qlogic ISP 5432 PCI FC-AL Adapter");
404                 break;
405         case PCI_QLOGIC_ISP6312:
406                 device_set_desc(dev, "Qlogic ISP 6312 PCI FC-AL Adapter");
407                 break;
408         case PCI_QLOGIC_ISP6322:
409                 device_set_desc(dev, "Qlogic ISP 6322 PCI FC-AL Adapter");
410                 break;
411         case PCI_QLOGIC_ISP2031:
412                 device_set_desc(dev, "Qlogic ISP 2031 PCI FC-AL Adapter");
413                 break;
414         case PCI_QLOGIC_ISP8031:
415                 device_set_desc(dev, "Qlogic ISP 8031 PCI FCoE Adapter");
416                 break;
417         case PCI_QLOGIC_ISP2684:
418                 device_set_desc(dev, "Qlogic ISP 2684 PCI FC Adapter");
419                 break;
420         case PCI_QLOGIC_ISP2692:
421                 device_set_desc(dev, "Qlogic ISP 2692 PCI FC Adapter");
422                 break;
423         case PCI_QLOGIC_ISP2714:
424                 device_set_desc(dev, "Qlogic ISP 2714 PCI FC Adapter");
425                 break;
426         case PCI_QLOGIC_ISP2722:
427                 device_set_desc(dev, "Qlogic ISP 2722 PCI FC Adapter");
428                 break;
429         default:
430                 return (ENXIO);
431         }
432         if (isp_announced == 0 && bootverbose) {
433                 printf("Qlogic ISP Driver, FreeBSD Version %d.%d, "
434                     "Core Version %d.%d\n",
435                     ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
436                     ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
437                 isp_announced++;
438         }
439         /*
440          * XXXX: Here is where we might load the f/w module
441          * XXXX: (or increase a reference count to it).
442          */
443         return (BUS_PROBE_DEFAULT);
444 }
445
446 static void
447 isp_get_generic_options(device_t dev, ispsoftc_t *isp)
448 {
449         int tval;
450
451         tval = 0;
452         if (resource_int_value(device_get_name(dev), device_get_unit(dev), "fwload_disable", &tval) == 0 && tval != 0) {
453                 isp->isp_confopts |= ISP_CFG_NORELOAD;
454         }
455         tval = 0;
456         if (resource_int_value(device_get_name(dev), device_get_unit(dev), "ignore_nvram", &tval) == 0 && tval != 0) {
457                 isp->isp_confopts |= ISP_CFG_NONVRAM;
458         }
459         tval = 0;
460         (void) resource_int_value(device_get_name(dev), device_get_unit(dev), "debug", &tval);
461         if (tval) {
462                 isp->isp_dblev = tval;
463         } else {
464                 isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
465         }
466         if (bootverbose) {
467                 isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
468         }
469         tval = -1;
470         (void) resource_int_value(device_get_name(dev), device_get_unit(dev), "vports", &tval);
471         if (tval > 0 && tval <= 254) {
472                 isp_nvports = tval;
473         }
474         tval = 7;
475         (void) resource_int_value(device_get_name(dev), device_get_unit(dev), "quickboot_time", &tval);
476         isp_quickboot_time = tval;
477 }
478
479 static void
480 isp_get_specific_options(device_t dev, int chan, ispsoftc_t *isp)
481 {
482         const char *sptr;
483         int tval = 0;
484         char prefix[12], name[16];
485
486         if (chan == 0)
487                 prefix[0] = 0;
488         else
489                 snprintf(prefix, sizeof(prefix), "chan%d.", chan);
490         snprintf(name, sizeof(name), "%siid", prefix);
491         if (resource_int_value(device_get_name(dev), device_get_unit(dev),
492             name, &tval)) {
493                 if (IS_FC(isp)) {
494                         ISP_FC_PC(isp, chan)->default_id = 109 - chan;
495                 } else {
496 #ifdef __sparc64__
497                         ISP_SPI_PC(isp, chan)->iid = OF_getscsinitid(dev);
498 #else
499                         ISP_SPI_PC(isp, chan)->iid = 7;
500 #endif
501                 }
502         } else {
503                 if (IS_FC(isp)) {
504                         ISP_FC_PC(isp, chan)->default_id = tval - chan;
505                 } else {
506                         ISP_SPI_PC(isp, chan)->iid = tval;
507                 }
508                 isp->isp_confopts |= ISP_CFG_OWNLOOPID;
509         }
510
511         if (IS_SCSI(isp))
512                 return;
513
514         tval = -1;
515         snprintf(name, sizeof(name), "%srole", prefix);
516         if (resource_int_value(device_get_name(dev), device_get_unit(dev),
517             name, &tval) == 0) {
518                 switch (tval) {
519                 case ISP_ROLE_NONE:
520                 case ISP_ROLE_INITIATOR:
521                 case ISP_ROLE_TARGET:
522                 case ISP_ROLE_BOTH:
523                         device_printf(dev, "Chan %d setting role to 0x%x\n", chan, tval);
524                         break;
525                 default:
526                         tval = -1;
527                         break;
528                 }
529         }
530         if (tval == -1) {
531                 tval = ISP_DEFAULT_ROLES;
532         }
533         ISP_FC_PC(isp, chan)->def_role = tval;
534
535         tval = 0;
536         snprintf(name, sizeof(name), "%sfullduplex", prefix);
537         if (resource_int_value(device_get_name(dev), device_get_unit(dev),
538             name, &tval) == 0 && tval != 0) {
539                 isp->isp_confopts |= ISP_CFG_FULL_DUPLEX;
540         }
541         sptr = NULL;
542         snprintf(name, sizeof(name), "%stopology", prefix);
543         if (resource_string_value(device_get_name(dev), device_get_unit(dev),
544             name, (const char **) &sptr) == 0 && sptr != NULL) {
545                 if (strcmp(sptr, "lport") == 0) {
546                         isp->isp_confopts |= ISP_CFG_LPORT;
547                 } else if (strcmp(sptr, "nport") == 0) {
548                         isp->isp_confopts |= ISP_CFG_NPORT;
549                 } else if (strcmp(sptr, "lport-only") == 0) {
550                         isp->isp_confopts |= ISP_CFG_LPORT_ONLY;
551                 } else if (strcmp(sptr, "nport-only") == 0) {
552                         isp->isp_confopts |= ISP_CFG_NPORT_ONLY;
553                 }
554         }
555
556 #ifdef ISP_FCTAPE_OFF
557         isp->isp_confopts |= ISP_CFG_NOFCTAPE;
558 #else
559         isp->isp_confopts |= ISP_CFG_FCTAPE;
560 #endif
561
562         tval = 0;
563         snprintf(name, sizeof(name), "%snofctape", prefix);
564         (void) resource_int_value(device_get_name(dev), device_get_unit(dev),
565             name, &tval);
566         if (tval) {
567                 isp->isp_confopts &= ~ISP_CFG_FCTAPE;
568                 isp->isp_confopts |= ISP_CFG_NOFCTAPE;
569         }
570
571         tval = 0;
572         snprintf(name, sizeof(name), "%sfctape", prefix);
573         (void) resource_int_value(device_get_name(dev), device_get_unit(dev),
574             name, &tval);
575         if (tval) {
576                 isp->isp_confopts &= ~ISP_CFG_NOFCTAPE;
577                 isp->isp_confopts |= ISP_CFG_FCTAPE;
578         }
579
580
581         /*
582          * Because the resource_*_value functions can neither return
583          * 64 bit integer values, nor can they be directly coerced
584          * to interpret the right hand side of the assignment as
585          * you want them to interpret it, we have to force WWN
586          * hint replacement to specify WWN strings with a leading
587          * 'w' (e..g w50000000aaaa0001). Sigh.
588          */
589         sptr = NULL;
590         snprintf(name, sizeof(name), "%sportwwn", prefix);
591         tval = resource_string_value(device_get_name(dev), device_get_unit(dev),
592             name, (const char **) &sptr);
593         if (tval == 0 && sptr != NULL && *sptr++ == 'w') {
594                 char *eptr = NULL;
595                 ISP_FC_PC(isp, chan)->def_wwpn = strtouq(sptr, &eptr, 16);
596                 if (eptr < sptr + 16 || ISP_FC_PC(isp, chan)->def_wwpn == -1) {
597                         device_printf(dev, "mangled portwwn hint '%s'\n", sptr);
598                         ISP_FC_PC(isp, chan)->def_wwpn = 0;
599                 }
600         }
601
602         sptr = NULL;
603         snprintf(name, sizeof(name), "%snodewwn", prefix);
604         tval = resource_string_value(device_get_name(dev), device_get_unit(dev),
605             name, (const char **) &sptr);
606         if (tval == 0 && sptr != NULL && *sptr++ == 'w') {
607                 char *eptr = NULL;
608                 ISP_FC_PC(isp, chan)->def_wwnn = strtouq(sptr, &eptr, 16);
609                 if (eptr < sptr + 16 || ISP_FC_PC(isp, chan)->def_wwnn == 0) {
610                         device_printf(dev, "mangled nodewwn hint '%s'\n", sptr);
611                         ISP_FC_PC(isp, chan)->def_wwnn = 0;
612                 }
613         }
614
615         tval = -1;
616         snprintf(name, sizeof(name), "%sloop_down_limit", prefix);
617         (void) resource_int_value(device_get_name(dev), device_get_unit(dev),
618             name, &tval);
619         if (tval >= 0 && tval < 0xffff) {
620                 ISP_FC_PC(isp, chan)->loop_down_limit = tval;
621         } else {
622                 ISP_FC_PC(isp, chan)->loop_down_limit = isp_loop_down_limit;
623         }
624
625         tval = -1;
626         snprintf(name, sizeof(name), "%sgone_device_time", prefix);
627         (void) resource_int_value(device_get_name(dev), device_get_unit(dev),
628             name, &tval);
629         if (tval >= 0 && tval < 0xffff) {
630                 ISP_FC_PC(isp, chan)->gone_device_time = tval;
631         } else {
632                 ISP_FC_PC(isp, chan)->gone_device_time = isp_gone_device_time;
633         }
634 }
635
636 static int
637 isp_pci_attach(device_t dev)
638 {
639         struct isp_pcisoftc *pcs = device_get_softc(dev);
640         ispsoftc_t *isp = &pcs->pci_isp;
641         int i;
642         uint32_t data, cmd, linesz, did;
643         size_t psize, xsize;
644         char fwname[32];
645
646         pcs->pci_dev = dev;
647         isp->isp_dev = dev;
648         isp->isp_nchan = 1;
649         mtx_init(&isp->isp_lock, "isp", NULL, MTX_DEF);
650
651         /*
652          * Get Generic Options
653          */
654         isp_nvports = 0;
655         isp_get_generic_options(dev, isp);
656
657         linesz = PCI_DFLT_LNSZ;
658         pcs->regs = pcs->regs2 = NULL;
659         pcs->rgd = pcs->rtp = 0;
660
661         pcs->pci_dev = dev;
662         pcs->pci_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
663         pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS_OFF;
664         pcs->pci_poff[SXP_BLOCK >> _BLK_REG_SHFT] = PCI_SXP_REGS_OFF;
665         pcs->pci_poff[RISC_BLOCK >> _BLK_REG_SHFT] = PCI_RISC_REGS_OFF;
666         pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
667
668         switch (pci_get_devid(dev)) {
669         case PCI_QLOGIC_ISP1020:
670                 did = 0x1040;
671                 isp->isp_mdvec = &mdvec;
672                 isp->isp_type = ISP_HA_SCSI_UNKNOWN;
673                 break;
674         case PCI_QLOGIC_ISP1080:
675                 did = 0x1080;
676                 isp->isp_mdvec = &mdvec_1080;
677                 isp->isp_type = ISP_HA_SCSI_1080;
678                 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
679                 break;
680         case PCI_QLOGIC_ISP1240:
681                 did = 0x1080;
682                 isp->isp_mdvec = &mdvec_1080;
683                 isp->isp_type = ISP_HA_SCSI_1240;
684                 isp->isp_nchan = 2;
685                 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
686                 break;
687         case PCI_QLOGIC_ISP1280:
688                 did = 0x1080;
689                 isp->isp_mdvec = &mdvec_1080;
690                 isp->isp_type = ISP_HA_SCSI_1280;
691                 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
692                 break;
693         case PCI_QLOGIC_ISP10160:
694                 did = 0x12160;
695                 isp->isp_mdvec = &mdvec_12160;
696                 isp->isp_type = ISP_HA_SCSI_10160;
697                 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
698                 break;
699         case PCI_QLOGIC_ISP12160:
700                 did = 0x12160;
701                 isp->isp_nchan = 2;
702                 isp->isp_mdvec = &mdvec_12160;
703                 isp->isp_type = ISP_HA_SCSI_12160;
704                 pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
705                 break;
706         case PCI_QLOGIC_ISP2100:
707                 did = 0x2100;
708                 isp->isp_mdvec = &mdvec_2100;
709                 isp->isp_type = ISP_HA_FC_2100;
710                 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF;
711                 if (pci_get_revid(dev) < 3) {
712                         /*
713                          * XXX: Need to get the actual revision
714                          * XXX: number of the 2100 FB. At any rate,
715                          * XXX: lower cache line size for early revision
716                          * XXX; boards.
717                          */
718                         linesz = 1;
719                 }
720                 break;
721         case PCI_QLOGIC_ISP2200:
722                 did = 0x2200;
723                 isp->isp_mdvec = &mdvec_2200;
724                 isp->isp_type = ISP_HA_FC_2200;
725                 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF;
726                 break;
727         case PCI_QLOGIC_ISP2300:
728                 did = 0x2300;
729                 isp->isp_mdvec = &mdvec_2300;
730                 isp->isp_type = ISP_HA_FC_2300;
731                 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
732                 break;
733         case PCI_QLOGIC_ISP2312:
734         case PCI_QLOGIC_ISP6312:
735                 did = 0x2300;
736                 isp->isp_mdvec = &mdvec_2300;
737                 isp->isp_type = ISP_HA_FC_2312;
738                 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
739                 break;
740         case PCI_QLOGIC_ISP2322:
741         case PCI_QLOGIC_ISP6322:
742                 did = 0x2322;
743                 isp->isp_mdvec = &mdvec_2300;
744                 isp->isp_type = ISP_HA_FC_2322;
745                 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
746                 break;
747         case PCI_QLOGIC_ISP2422:
748         case PCI_QLOGIC_ISP2432:
749                 did = 0x2400;
750                 isp->isp_nchan += isp_nvports;
751                 isp->isp_mdvec = &mdvec_2400;
752                 isp->isp_type = ISP_HA_FC_2400;
753                 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
754                 break;
755         case PCI_QLOGIC_ISP2532:
756                 did = 0x2500;
757                 isp->isp_nchan += isp_nvports;
758                 isp->isp_mdvec = &mdvec_2500;
759                 isp->isp_type = ISP_HA_FC_2500;
760                 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
761                 break;
762         case PCI_QLOGIC_ISP5432:
763                 did = 0x2500;
764                 isp->isp_mdvec = &mdvec_2500;
765                 isp->isp_type = ISP_HA_FC_2500;
766                 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
767                 break;
768         case PCI_QLOGIC_ISP2031:
769         case PCI_QLOGIC_ISP8031:
770                 did = 0x2600;
771                 isp->isp_nchan += isp_nvports;
772                 isp->isp_mdvec = &mdvec_2600;
773                 isp->isp_type = ISP_HA_FC_2600;
774                 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
775                 break;
776         case PCI_QLOGIC_ISP2684:
777         case PCI_QLOGIC_ISP2692:
778         case PCI_QLOGIC_ISP2714:
779         case PCI_QLOGIC_ISP2722:
780                 did = 0x2700;
781                 isp->isp_nchan += isp_nvports;
782                 isp->isp_mdvec = &mdvec_2700;
783                 isp->isp_type = ISP_HA_FC_2700;
784                 pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
785                 break;
786         default:
787                 device_printf(dev, "unknown device type\n");
788                 goto bad;
789                 break;
790         }
791         isp->isp_revision = pci_get_revid(dev);
792
793         if (IS_26XX(isp)) {
794                 pcs->rtp = SYS_RES_MEMORY;
795                 pcs->rgd = PCIR_BAR(0);
796                 pcs->regs = bus_alloc_resource_any(dev, pcs->rtp, &pcs->rgd,
797                     RF_ACTIVE);
798                 pcs->rtp1 = SYS_RES_MEMORY;
799                 pcs->rgd1 = PCIR_BAR(2);
800                 pcs->regs1 = bus_alloc_resource_any(dev, pcs->rtp1, &pcs->rgd1,
801                     RF_ACTIVE);
802                 pcs->rtp2 = SYS_RES_MEMORY;
803                 pcs->rgd2 = PCIR_BAR(4);
804                 pcs->regs2 = bus_alloc_resource_any(dev, pcs->rtp2, &pcs->rgd2,
805                     RF_ACTIVE);
806         } else {
807                 pcs->rtp = SYS_RES_MEMORY;
808                 pcs->rgd = PCIR_BAR(1);
809                 pcs->regs = bus_alloc_resource_any(dev, pcs->rtp, &pcs->rgd,
810                     RF_ACTIVE);
811                 if (pcs->regs == NULL) {
812                         pcs->rtp = SYS_RES_IOPORT;
813                         pcs->rgd = PCIR_BAR(0);
814                         pcs->regs = bus_alloc_resource_any(dev, pcs->rtp,
815                             &pcs->rgd, RF_ACTIVE);
816                 }
817         }
818         if (pcs->regs == NULL) {
819                 device_printf(dev, "Unable to map any ports\n");
820                 goto bad;
821         }
822         if (bootverbose) {
823                 device_printf(dev, "Using %s space register mapping\n",
824                     (pcs->rtp == SYS_RES_IOPORT)? "I/O" : "Memory");
825         }
826         isp->isp_regs = pcs->regs;
827         isp->isp_regs2 = pcs->regs2;
828
829         if (IS_FC(isp)) {
830                 psize = sizeof (fcparam);
831                 xsize = sizeof (struct isp_fc);
832         } else {
833                 psize = sizeof (sdparam);
834                 xsize = sizeof (struct isp_spi);
835         }
836         psize *= isp->isp_nchan;
837         xsize *= isp->isp_nchan;
838         isp->isp_param = malloc(psize, M_DEVBUF, M_NOWAIT | M_ZERO);
839         if (isp->isp_param == NULL) {
840                 device_printf(dev, "cannot allocate parameter data\n");
841                 goto bad;
842         }
843         isp->isp_osinfo.pc.ptr = malloc(xsize, M_DEVBUF, M_NOWAIT | M_ZERO);
844         if (isp->isp_osinfo.pc.ptr == NULL) {
845                 device_printf(dev, "cannot allocate parameter data\n");
846                 goto bad;
847         }
848
849         /*
850          * Now that we know who we are (roughly) get/set specific options
851          */
852         for (i = 0; i < isp->isp_nchan; i++) {
853                 isp_get_specific_options(dev, i, isp);
854         }
855
856         isp->isp_osinfo.fw = NULL;
857         if (isp->isp_osinfo.fw == NULL) {
858                 snprintf(fwname, sizeof (fwname), "isp_%04x", did);
859                 isp->isp_osinfo.fw = firmware_get(fwname);
860         }
861         if (isp->isp_osinfo.fw != NULL) {
862                 isp_prt(isp, ISP_LOGCONFIG, "loaded firmware %s", fwname);
863                 isp->isp_mdvec->dv_ispfw = isp->isp_osinfo.fw->data;
864         }
865
866         /*
867          * Make sure that SERR, PERR, WRITE INVALIDATE and BUSMASTER are set.
868          */
869         cmd = pci_read_config(dev, PCIR_COMMAND, 2);
870         cmd |= PCIM_CMD_SEREN | PCIM_CMD_PERRESPEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_INVEN;
871         if (IS_2300(isp)) {     /* per QLogic errata */
872                 cmd &= ~PCIM_CMD_INVEN;
873         }
874         if (IS_2322(isp) || pci_get_devid(dev) == PCI_QLOGIC_ISP6312) {
875                 cmd &= ~PCIM_CMD_INTX_DISABLE;
876         }
877         if (IS_24XX(isp)) {
878                 cmd &= ~PCIM_CMD_INTX_DISABLE;
879         }
880         pci_write_config(dev, PCIR_COMMAND, cmd, 2);
881
882         /*
883          * Make sure the Cache Line Size register is set sensibly.
884          */
885         data = pci_read_config(dev, PCIR_CACHELNSZ, 1);
886         if (data == 0 || (linesz != PCI_DFLT_LNSZ && data != linesz)) {
887                 isp_prt(isp, ISP_LOGDEBUG0, "set PCI line size to %d from %d", linesz, data);
888                 data = linesz;
889                 pci_write_config(dev, PCIR_CACHELNSZ, data, 1);
890         }
891
892         /*
893          * Make sure the Latency Timer is sane.
894          */
895         data = pci_read_config(dev, PCIR_LATTIMER, 1);
896         if (data < PCI_DFLT_LTNCY) {
897                 data = PCI_DFLT_LTNCY;
898                 isp_prt(isp, ISP_LOGDEBUG0, "set PCI latency to %d", data);
899                 pci_write_config(dev, PCIR_LATTIMER, data, 1);
900         }
901
902         /*
903          * Make sure we've disabled the ROM.
904          */
905         data = pci_read_config(dev, PCIR_ROMADDR, 4);
906         data &= ~1;
907         pci_write_config(dev, PCIR_ROMADDR, data, 4);
908
909         /*
910          * Last minute checks...
911          */
912         if (IS_23XX(isp) || IS_24XX(isp)) {
913                 isp->isp_port = pci_get_function(dev);
914         }
915
916         /*
917          * Make sure we're in reset state.
918          */
919         ISP_LOCK(isp);
920         if (isp_reinit(isp, 1) != 0) {
921                 ISP_UNLOCK(isp);
922                 goto bad;
923         }
924         ISP_UNLOCK(isp);
925         if (isp_attach(isp)) {
926                 ISP_LOCK(isp);
927                 isp_shutdown(isp);
928                 ISP_UNLOCK(isp);
929                 goto bad;
930         }
931         return (0);
932
933 bad:
934         if (isp->isp_osinfo.fw == NULL && !IS_26XX(isp)) {
935                 /*
936                  * Failure to attach at boot time might have been caused
937                  * by a missing ispfw(4).  Except for for 16Gb adapters,
938                  * there's no loadable firmware for them.
939                  */
940                 isp_prt(isp, ISP_LOGWARN, "See the ispfw(4) man page on "
941                     "how to load known good firmware at boot time");
942         }
943         for (i = 0; i < isp->isp_nirq; i++) {
944                 (void) bus_teardown_intr(dev, pcs->irq[i].irq, pcs->irq[i].ih);
945                 (void) bus_release_resource(dev, SYS_RES_IRQ, pcs->irq[i].iqd,
946                     pcs->irq[0].irq);
947         }
948         if (pcs->msicount) {
949                 pci_release_msi(dev);
950         }
951         if (pcs->regs)
952                 (void) bus_release_resource(dev, pcs->rtp, pcs->rgd, pcs->regs);
953         if (pcs->regs1)
954                 (void) bus_release_resource(dev, pcs->rtp1, pcs->rgd1, pcs->regs1);
955         if (pcs->regs2)
956                 (void) bus_release_resource(dev, pcs->rtp2, pcs->rgd2, pcs->regs2);
957         if (pcs->pci_isp.isp_param) {
958                 free(pcs->pci_isp.isp_param, M_DEVBUF);
959                 pcs->pci_isp.isp_param = NULL;
960         }
961         if (pcs->pci_isp.isp_osinfo.pc.ptr) {
962                 free(pcs->pci_isp.isp_osinfo.pc.ptr, M_DEVBUF);
963                 pcs->pci_isp.isp_osinfo.pc.ptr = NULL;
964         }
965         mtx_destroy(&isp->isp_lock);
966         return (ENXIO);
967 }
968
969 static int
970 isp_pci_detach(device_t dev)
971 {
972         struct isp_pcisoftc *pcs = device_get_softc(dev);
973         ispsoftc_t *isp = &pcs->pci_isp;
974         int i, status;
975
976         status = isp_detach(isp);
977         if (status)
978                 return (status);
979         ISP_LOCK(isp);
980         isp_shutdown(isp);
981         ISP_UNLOCK(isp);
982         for (i = 0; i < isp->isp_nirq; i++) {
983                 (void) bus_teardown_intr(dev, pcs->irq[i].irq, pcs->irq[i].ih);
984                 (void) bus_release_resource(dev, SYS_RES_IRQ, pcs->irq[i].iqd,
985                     pcs->irq[i].irq);
986         }
987         if (pcs->msicount)
988                 pci_release_msi(dev);
989         (void) bus_release_resource(dev, pcs->rtp, pcs->rgd, pcs->regs);
990         if (pcs->regs1)
991                 (void) bus_release_resource(dev, pcs->rtp1, pcs->rgd1, pcs->regs1);
992         if (pcs->regs2)
993                 (void) bus_release_resource(dev, pcs->rtp2, pcs->rgd2, pcs->regs2);
994         isp_pci_mbxdmafree(isp);
995         if (pcs->pci_isp.isp_param) {
996                 free(pcs->pci_isp.isp_param, M_DEVBUF);
997                 pcs->pci_isp.isp_param = NULL;
998         }
999         if (pcs->pci_isp.isp_osinfo.pc.ptr) {
1000                 free(pcs->pci_isp.isp_osinfo.pc.ptr, M_DEVBUF);
1001                 pcs->pci_isp.isp_osinfo.pc.ptr = NULL;
1002         }
1003         mtx_destroy(&isp->isp_lock);
1004         return (0);
1005 }
1006
1007 #define IspVirt2Off(a, x)       \
1008         (((struct isp_pcisoftc *)a)->pci_poff[((x) & _BLK_REG_MASK) >> \
1009         _BLK_REG_SHFT] + ((x) & 0xfff))
1010
1011 #define BXR2(isp, off)          bus_read_2((isp)->isp_regs, (off))
1012 #define BXW2(isp, off, v)       bus_write_2((isp)->isp_regs, (off), (v))
1013 #define BXR4(isp, off)          bus_read_4((isp)->isp_regs, (off))
1014 #define BXW4(isp, off, v)       bus_write_4((isp)->isp_regs, (off), (v))
1015 #define B2R4(isp, off)          bus_read_4((isp)->isp_regs2, (off))
1016 #define B2W4(isp, off, v)       bus_write_4((isp)->isp_regs2, (off), (v))
1017
1018 static ISP_INLINE uint16_t
1019 isp_pci_rd_debounced(ispsoftc_t *isp, int off)
1020 {
1021         uint16_t val, prev;
1022
1023         val = BXR2(isp, IspVirt2Off(isp, off));
1024         do {
1025                 prev = val;
1026                 val = BXR2(isp, IspVirt2Off(isp, off));
1027         } while (val != prev);
1028         return (val);
1029 }
1030
1031 static void
1032 isp_pci_run_isr(ispsoftc_t *isp)
1033 {
1034         uint16_t isr, sema, info;
1035
1036         if (IS_2100(isp)) {
1037                 isr = isp_pci_rd_debounced(isp, BIU_ISR);
1038                 sema = isp_pci_rd_debounced(isp, BIU_SEMA);
1039         } else {
1040                 isr = BXR2(isp, IspVirt2Off(isp, BIU_ISR));
1041                 sema = BXR2(isp, IspVirt2Off(isp, BIU_SEMA));
1042         }
1043         isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema);
1044         isr &= INT_PENDING_MASK(isp);
1045         sema &= BIU_SEMA_LOCK;
1046         if (isr == 0 && sema == 0)
1047                 return;
1048         if (sema != 0) {
1049                 if (IS_2100(isp))
1050                         info = isp_pci_rd_debounced(isp, OUTMAILBOX0);
1051                 else
1052                         info = BXR2(isp, IspVirt2Off(isp, OUTMAILBOX0));
1053                 if (info & MBOX_COMMAND_COMPLETE)
1054                         isp_intr_mbox(isp, info);
1055                 else
1056                         isp_intr_async(isp, info);
1057                 if (!IS_FC(isp) && isp->isp_state == ISP_RUNSTATE)
1058                         isp_intr_respq(isp);
1059         } else
1060                 isp_intr_respq(isp);
1061         ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
1062         if (sema)
1063                 ISP_WRITE(isp, BIU_SEMA, 0);
1064 }
1065
1066 static void
1067 isp_pci_run_isr_2300(ispsoftc_t *isp)
1068 {
1069         uint32_t hccr, r2hisr;
1070         uint16_t isr, info;
1071
1072         if ((BXR2(isp, IspVirt2Off(isp, BIU_ISR)) & BIU2100_ISR_RISC_INT) == 0)
1073                 return;
1074         r2hisr = BXR4(isp, IspVirt2Off(isp, BIU_R2HSTSLO));
1075         isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr);
1076         if ((r2hisr & BIU_R2HST_INTR) == 0)
1077                 return;
1078         isr = r2hisr & BIU_R2HST_ISTAT_MASK;
1079         info = r2hisr >> 16;
1080         switch (isr) {
1081         case ISPR2HST_ROM_MBX_OK:
1082         case ISPR2HST_ROM_MBX_FAIL:
1083         case ISPR2HST_MBX_OK:
1084         case ISPR2HST_MBX_FAIL:
1085                 isp_intr_mbox(isp, info);
1086                 break;
1087         case ISPR2HST_ASYNC_EVENT:
1088                 isp_intr_async(isp, info);
1089                 break;
1090         case ISPR2HST_RIO_16:
1091                 isp_intr_async(isp, ASYNC_RIO16_1);
1092                 break;
1093         case ISPR2HST_FPOST:
1094                 isp_intr_async(isp, ASYNC_CMD_CMPLT);
1095                 break;
1096         case ISPR2HST_FPOST_CTIO:
1097                 isp_intr_async(isp, ASYNC_CTIO_DONE);
1098                 break;
1099         case ISPR2HST_RSPQ_UPDATE:
1100                 isp_intr_respq(isp);
1101                 break;
1102         default:
1103                 hccr = ISP_READ(isp, HCCR);
1104                 if (hccr & HCCR_PAUSE) {
1105                         ISP_WRITE(isp, HCCR, HCCR_RESET);
1106                         isp_prt(isp, ISP_LOGERR, "RISC paused at interrupt (%x->%x)", hccr, ISP_READ(isp, HCCR));
1107                         ISP_WRITE(isp, BIU_ICR, 0);
1108                 } else {
1109                         isp_prt(isp, ISP_LOGERR, "unknown interrupt 0x%x\n", r2hisr);
1110                 }
1111         }
1112         ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT);
1113         ISP_WRITE(isp, BIU_SEMA, 0);
1114 }
1115
1116 static void
1117 isp_pci_run_isr_2400(ispsoftc_t *isp)
1118 {
1119         uint32_t r2hisr;
1120         uint16_t isr, info;
1121
1122         r2hisr = BXR4(isp, IspVirt2Off(isp, BIU2400_R2HSTSLO));
1123         isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr);
1124         if ((r2hisr & BIU_R2HST_INTR) == 0)
1125                 return;
1126         isr = r2hisr & BIU_R2HST_ISTAT_MASK;
1127         info = (r2hisr >> 16);
1128         switch (isr) {
1129         case ISPR2HST_ROM_MBX_OK:
1130         case ISPR2HST_ROM_MBX_FAIL:
1131         case ISPR2HST_MBX_OK:
1132         case ISPR2HST_MBX_FAIL:
1133                 isp_intr_mbox(isp, info);
1134                 break;
1135         case ISPR2HST_ASYNC_EVENT:
1136                 isp_intr_async(isp, info);
1137                 break;
1138         case ISPR2HST_RSPQ_UPDATE:
1139                 isp_intr_respq(isp);
1140                 break;
1141         case ISPR2HST_RSPQ_UPDATE2:
1142 #ifdef  ISP_TARGET_MODE
1143         case ISPR2HST_ATIO_RSPQ_UPDATE:
1144 #endif
1145                 isp_intr_respq(isp);
1146                 /* FALLTHROUGH */
1147 #ifdef  ISP_TARGET_MODE
1148         case ISPR2HST_ATIO_UPDATE:
1149         case ISPR2HST_ATIO_UPDATE2:
1150                 isp_intr_atioq(isp);
1151 #endif
1152                 break;
1153         default:
1154                 isp_prt(isp, ISP_LOGERR, "unknown interrupt 0x%x\n", r2hisr);
1155         }
1156         ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT);
1157 }
1158
1159 static uint32_t
1160 isp_pci_rd_reg(ispsoftc_t *isp, int regoff)
1161 {
1162         uint16_t rv;
1163         int oldconf = 0;
1164
1165         if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1166                 /*
1167                  * We will assume that someone has paused the RISC processor.
1168                  */
1169                 oldconf = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1170                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf | BIU_PCI_CONF1_SXP);
1171                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1172         }
1173         rv = BXR2(isp, IspVirt2Off(isp, regoff));
1174         if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1175                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf);
1176                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1177         }
1178         return (rv);
1179 }
1180
1181 static void
1182 isp_pci_wr_reg(ispsoftc_t *isp, int regoff, uint32_t val)
1183 {
1184         int oldconf = 0;
1185
1186         if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1187                 /*
1188                  * We will assume that someone has paused the RISC processor.
1189                  */
1190                 oldconf = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1191                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1),
1192                     oldconf | BIU_PCI_CONF1_SXP);
1193                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1194         }
1195         BXW2(isp, IspVirt2Off(isp, regoff), val);
1196         MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2, -1);
1197         if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1198                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf);
1199                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1200         }
1201
1202 }
1203
1204 static uint32_t
1205 isp_pci_rd_reg_1080(ispsoftc_t *isp, int regoff)
1206 {
1207         uint32_t rv, oc = 0;
1208
1209         if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1210                 uint32_t tc;
1211                 /*
1212                  * We will assume that someone has paused the RISC processor.
1213                  */
1214                 oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1215                 tc = oc & ~BIU_PCI1080_CONF1_DMA;
1216                 if (regoff & SXP_BANK1_SELECT)
1217                         tc |= BIU_PCI1080_CONF1_SXP1;
1218                 else
1219                         tc |= BIU_PCI1080_CONF1_SXP0;
1220                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1), tc);
1221                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1222         } else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
1223                 oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1224                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1), 
1225                     oc | BIU_PCI1080_CONF1_DMA);
1226                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1227         }
1228         rv = BXR2(isp, IspVirt2Off(isp, regoff));
1229         if (oc) {
1230                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oc);
1231                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1232         }
1233         return (rv);
1234 }
1235
1236 static void
1237 isp_pci_wr_reg_1080(ispsoftc_t *isp, int regoff, uint32_t val)
1238 {
1239         int oc = 0;
1240
1241         if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1242                 uint32_t tc;
1243                 /*
1244                  * We will assume that someone has paused the RISC processor.
1245                  */
1246                 oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1247                 tc = oc & ~BIU_PCI1080_CONF1_DMA;
1248                 if (regoff & SXP_BANK1_SELECT)
1249                         tc |= BIU_PCI1080_CONF1_SXP1;
1250                 else
1251                         tc |= BIU_PCI1080_CONF1_SXP0;
1252                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1), tc);
1253                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1254         } else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
1255                 oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1256                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1), 
1257                     oc | BIU_PCI1080_CONF1_DMA);
1258                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1259         }
1260         BXW2(isp, IspVirt2Off(isp, regoff), val);
1261         MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2, -1);
1262         if (oc) {
1263                 BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oc);
1264                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1265         }
1266 }
1267
1268 static uint32_t
1269 isp_pci_rd_reg_2400(ispsoftc_t *isp, int regoff)
1270 {
1271         uint32_t rv;
1272         int block = regoff & _BLK_REG_MASK;
1273
1274         switch (block) {
1275         case BIU_BLOCK:
1276                 break;
1277         case MBOX_BLOCK:
1278                 return (BXR2(isp, IspVirt2Off(isp, regoff)));
1279         case SXP_BLOCK:
1280                 isp_prt(isp, ISP_LOGERR, "SXP_BLOCK read at 0x%x", regoff);
1281                 return (0xffffffff);
1282         case RISC_BLOCK:
1283                 isp_prt(isp, ISP_LOGERR, "RISC_BLOCK read at 0x%x", regoff);
1284                 return (0xffffffff);
1285         case DMA_BLOCK:
1286                 isp_prt(isp, ISP_LOGERR, "DMA_BLOCK read at 0x%x", regoff);
1287                 return (0xffffffff);
1288         default:
1289                 isp_prt(isp, ISP_LOGERR, "unknown block read at 0x%x", regoff);
1290                 return (0xffffffff);
1291         }
1292
1293         switch (regoff) {
1294         case BIU2400_FLASH_ADDR:
1295         case BIU2400_FLASH_DATA:
1296         case BIU2400_ICR:
1297         case BIU2400_ISR:
1298         case BIU2400_CSR:
1299         case BIU2400_REQINP:
1300         case BIU2400_REQOUTP:
1301         case BIU2400_RSPINP:
1302         case BIU2400_RSPOUTP:
1303         case BIU2400_PRI_REQINP:
1304         case BIU2400_PRI_REQOUTP:
1305         case BIU2400_ATIO_RSPINP:
1306         case BIU2400_ATIO_RSPOUTP:
1307         case BIU2400_HCCR:
1308         case BIU2400_GPIOD:
1309         case BIU2400_GPIOE:
1310         case BIU2400_HSEMA:
1311                 rv = BXR4(isp, IspVirt2Off(isp, regoff));
1312                 break;
1313         case BIU2400_R2HSTSLO:
1314                 rv = BXR4(isp, IspVirt2Off(isp, regoff));
1315                 break;
1316         case BIU2400_R2HSTSHI:
1317                 rv = BXR4(isp, IspVirt2Off(isp, regoff)) >> 16;
1318                 break;
1319         default:
1320                 isp_prt(isp, ISP_LOGERR, "unknown register read at 0x%x",
1321                     regoff);
1322                 rv = 0xffffffff;
1323                 break;
1324         }
1325         return (rv);
1326 }
1327
1328 static void
1329 isp_pci_wr_reg_2400(ispsoftc_t *isp, int regoff, uint32_t val)
1330 {
1331         int block = regoff & _BLK_REG_MASK;
1332
1333         switch (block) {
1334         case BIU_BLOCK:
1335                 break;
1336         case MBOX_BLOCK:
1337                 BXW2(isp, IspVirt2Off(isp, regoff), val);
1338                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2, -1);
1339                 return;
1340         case SXP_BLOCK:
1341                 isp_prt(isp, ISP_LOGERR, "SXP_BLOCK write at 0x%x", regoff);
1342                 return;
1343         case RISC_BLOCK:
1344                 isp_prt(isp, ISP_LOGERR, "RISC_BLOCK write at 0x%x", regoff);
1345                 return;
1346         case DMA_BLOCK:
1347                 isp_prt(isp, ISP_LOGERR, "DMA_BLOCK write at 0x%x", regoff);
1348                 return;
1349         default:
1350                 isp_prt(isp, ISP_LOGERR, "unknown block write at 0x%x", regoff);
1351                 break;
1352         }
1353
1354         switch (regoff) {
1355         case BIU2400_FLASH_ADDR:
1356         case BIU2400_FLASH_DATA:
1357         case BIU2400_ICR:
1358         case BIU2400_ISR:
1359         case BIU2400_CSR:
1360         case BIU2400_REQINP:
1361         case BIU2400_REQOUTP:
1362         case BIU2400_RSPINP:
1363         case BIU2400_RSPOUTP:
1364         case BIU2400_PRI_REQINP:
1365         case BIU2400_PRI_REQOUTP:
1366         case BIU2400_ATIO_RSPINP:
1367         case BIU2400_ATIO_RSPOUTP:
1368         case BIU2400_HCCR:
1369         case BIU2400_GPIOD:
1370         case BIU2400_GPIOE:
1371         case BIU2400_HSEMA:
1372                 BXW4(isp, IspVirt2Off(isp, regoff), val);
1373 #ifdef MEMORYBARRIERW
1374                 if (regoff == BIU2400_REQINP ||
1375                     regoff == BIU2400_RSPOUTP ||
1376                     regoff == BIU2400_PRI_REQINP ||
1377                     regoff == BIU2400_ATIO_RSPOUTP)
1378                         MEMORYBARRIERW(isp, SYNC_REG,
1379                             IspVirt2Off(isp, regoff), 4, -1)
1380                 else
1381 #endif
1382                 MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 4, -1);
1383                 break;
1384         default:
1385                 isp_prt(isp, ISP_LOGERR, "unknown register write at 0x%x",
1386                     regoff);
1387                 break;
1388         }
1389 }
1390
1391 static uint32_t
1392 isp_pci_rd_reg_2600(ispsoftc_t *isp, int regoff)
1393 {
1394         uint32_t rv;
1395
1396         switch (regoff) {
1397         case BIU2400_PRI_REQINP:
1398         case BIU2400_PRI_REQOUTP:
1399                 isp_prt(isp, ISP_LOGERR, "unknown register read at 0x%x",
1400                     regoff);
1401                 rv = 0xffffffff;
1402                 break;
1403         case BIU2400_REQINP:
1404                 rv = B2R4(isp, 0x00);
1405                 break;
1406         case BIU2400_REQOUTP:
1407                 rv = B2R4(isp, 0x04);
1408                 break;
1409         case BIU2400_RSPINP:
1410                 rv = B2R4(isp, 0x08);
1411                 break;
1412         case BIU2400_RSPOUTP:
1413                 rv = B2R4(isp, 0x0c);
1414                 break;
1415         case BIU2400_ATIO_RSPINP:
1416                 rv = B2R4(isp, 0x10);
1417                 break;
1418         case BIU2400_ATIO_RSPOUTP:
1419                 rv = B2R4(isp, 0x14);
1420                 break;
1421         default:
1422                 rv = isp_pci_rd_reg_2400(isp, regoff);
1423                 break;
1424         }
1425         return (rv);
1426 }
1427
1428 static void
1429 isp_pci_wr_reg_2600(ispsoftc_t *isp, int regoff, uint32_t val)
1430 {
1431         int off;
1432
1433         switch (regoff) {
1434         case BIU2400_PRI_REQINP:
1435         case BIU2400_PRI_REQOUTP:
1436                 isp_prt(isp, ISP_LOGERR, "unknown register write at 0x%x",
1437                     regoff);
1438                 return;
1439         case BIU2400_REQINP:
1440                 off = 0x00;
1441                 break;
1442         case BIU2400_REQOUTP:
1443                 off = 0x04;
1444                 break;
1445         case BIU2400_RSPINP:
1446                 off = 0x08;
1447                 break;
1448         case BIU2400_RSPOUTP:
1449                 off = 0x0c;
1450                 break;
1451         case BIU2400_ATIO_RSPINP:
1452                 off = 0x10;
1453                 break;
1454         case BIU2400_ATIO_RSPOUTP:
1455                 off = 0x14;
1456                 break;
1457         default:
1458                 isp_pci_wr_reg_2400(isp, regoff, val);
1459                 return;
1460         }
1461         B2W4(isp, off, val);
1462 }
1463
1464
1465 struct imush {
1466         bus_addr_t maddr;
1467         int error;
1468 };
1469
1470 static void
1471 imc(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1472 {
1473         struct imush *imushp = (struct imush *) arg;
1474
1475         if (!(imushp->error = error))
1476                 imushp->maddr = segs[0].ds_addr;
1477 }
1478
1479 static int
1480 isp_pci_mbxdma(ispsoftc_t *isp)
1481 {
1482         caddr_t base;
1483         uint32_t len, nsegs;
1484         int i, error, cmap = 0;
1485         bus_size_t slim;        /* segment size */
1486         bus_addr_t llim;        /* low limit of unavailable dma */
1487         bus_addr_t hlim;        /* high limit of unavailable dma */
1488         struct imush im;
1489         isp_ecmd_t *ecmd;
1490
1491         /* Already been here? If so, leave... */
1492         if (isp->isp_xflist != NULL)
1493                 return (0);
1494         if (isp->isp_rquest != NULL && isp->isp_maxcmds == 0)
1495                 return (0);
1496         ISP_UNLOCK(isp);
1497         if (isp->isp_rquest != NULL)
1498                 goto gotmaxcmds;
1499
1500         hlim = BUS_SPACE_MAXADDR;
1501         if (IS_ULTRA2(isp) || IS_FC(isp) || IS_1240(isp)) {
1502                 if (sizeof (bus_size_t) > 4)
1503                         slim = (bus_size_t) (1ULL << 32);
1504                 else
1505                         slim = (bus_size_t) (1UL << 31);
1506                 llim = BUS_SPACE_MAXADDR;
1507         } else {
1508                 slim = (1UL << 24);
1509                 llim = BUS_SPACE_MAXADDR_32BIT;
1510         }
1511         if (sizeof (bus_size_t) > 4)
1512                 nsegs = ISP_NSEG64_MAX;
1513         else
1514                 nsegs = ISP_NSEG_MAX;
1515
1516         if (bus_dma_tag_create(bus_get_dma_tag(ISP_PCD(isp)), 1,
1517             slim, llim, hlim, NULL, NULL, BUS_SPACE_MAXSIZE, nsegs, slim, 0,
1518             busdma_lock_mutex, &isp->isp_lock, &isp->isp_osinfo.dmat)) {
1519                 ISP_LOCK(isp);
1520                 isp_prt(isp, ISP_LOGERR, "could not create master dma tag");
1521                 return (1);
1522         }
1523
1524         /*
1525          * Allocate and map the request queue and a region for external
1526          * DMA addressable command/status structures (22XX and later).
1527          */
1528         len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
1529         if (isp->isp_type >= ISP_HA_FC_2200)
1530                 len += (N_XCMDS * XCMD_SIZE);
1531         if (bus_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN, slim,
1532             BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
1533             len, 1, len, 0, busdma_lock_mutex, &isp->isp_lock,
1534             &isp->isp_osinfo.reqdmat)) {
1535                 isp_prt(isp, ISP_LOGERR, "cannot create request DMA tag");
1536                 goto bad;
1537         }
1538         if (bus_dmamem_alloc(isp->isp_osinfo.reqdmat, (void **)&base,
1539             BUS_DMA_COHERENT, &isp->isp_osinfo.reqmap) != 0) {
1540                 isp_prt(isp, ISP_LOGERR, "cannot allocate request DMA memory");
1541                 bus_dma_tag_destroy(isp->isp_osinfo.reqdmat);
1542                 goto bad;
1543         }
1544         isp->isp_rquest = base;
1545         im.error = 0;
1546         if (bus_dmamap_load(isp->isp_osinfo.reqdmat, isp->isp_osinfo.reqmap,
1547             base, len, imc, &im, 0) || im.error) {
1548                 isp_prt(isp, ISP_LOGERR, "error loading request DMA map %d", im.error);
1549                 goto bad;
1550         }
1551         isp_prt(isp, ISP_LOGDEBUG0, "request area @ 0x%jx/0x%jx",
1552             (uintmax_t)im.maddr, (uintmax_t)len);
1553         isp->isp_rquest_dma = im.maddr;
1554         base += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
1555         im.maddr += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
1556         if (isp->isp_type >= ISP_HA_FC_2200) {
1557                 isp->isp_osinfo.ecmd_dma = im.maddr;
1558                 isp->isp_osinfo.ecmd_free = (isp_ecmd_t *)base;
1559                 isp->isp_osinfo.ecmd_base = isp->isp_osinfo.ecmd_free;
1560                 for (ecmd = isp->isp_osinfo.ecmd_free;
1561                     ecmd < &isp->isp_osinfo.ecmd_free[N_XCMDS]; ecmd++) {
1562                         if (ecmd == &isp->isp_osinfo.ecmd_free[N_XCMDS - 1])
1563                                 ecmd->next = NULL;
1564                         else
1565                                 ecmd->next = ecmd + 1;
1566                 }
1567         }
1568
1569         /*
1570          * Allocate and map the result queue.
1571          */
1572         len = ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
1573         if (bus_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN, slim,
1574             BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
1575             len, 1, len, 0, busdma_lock_mutex, &isp->isp_lock,
1576             &isp->isp_osinfo.respdmat)) {
1577                 isp_prt(isp, ISP_LOGERR, "cannot create response DMA tag");
1578                 goto bad;
1579         }
1580         if (bus_dmamem_alloc(isp->isp_osinfo.respdmat, (void **)&base,
1581             BUS_DMA_COHERENT, &isp->isp_osinfo.respmap) != 0) {
1582                 isp_prt(isp, ISP_LOGERR, "cannot allocate response DMA memory");
1583                 bus_dma_tag_destroy(isp->isp_osinfo.respdmat);
1584                 goto bad;
1585         }
1586         isp->isp_result = base;
1587         im.error = 0;
1588         if (bus_dmamap_load(isp->isp_osinfo.respdmat, isp->isp_osinfo.respmap,
1589             base, len, imc, &im, 0) || im.error) {
1590                 isp_prt(isp, ISP_LOGERR, "error loading response DMA map %d", im.error);
1591                 goto bad;
1592         }
1593         isp_prt(isp, ISP_LOGDEBUG0, "response area @ 0x%jx/0x%jx",
1594             (uintmax_t)im.maddr, (uintmax_t)len);
1595         isp->isp_result_dma = im.maddr;
1596
1597 #ifdef  ISP_TARGET_MODE
1598         /*
1599          * Allocate and map ATIO queue on 24xx with target mode.
1600          */
1601         if (IS_24XX(isp)) {
1602                 len = ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
1603                 if (bus_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN, slim,
1604                     BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
1605                     len, 1, len, 0, busdma_lock_mutex, &isp->isp_lock,
1606                     &isp->isp_osinfo.atiodmat)) {
1607                         isp_prt(isp, ISP_LOGERR, "cannot create ATIO DMA tag");
1608                         goto bad;
1609                 }
1610                 if (bus_dmamem_alloc(isp->isp_osinfo.atiodmat, (void **)&base,
1611                     BUS_DMA_COHERENT, &isp->isp_osinfo.atiomap) != 0) {
1612                         isp_prt(isp, ISP_LOGERR, "cannot allocate ATIO DMA memory");
1613                         bus_dma_tag_destroy(isp->isp_osinfo.atiodmat);
1614                         goto bad;
1615                 }
1616                 isp->isp_atioq = base;
1617                 im.error = 0;
1618                 if (bus_dmamap_load(isp->isp_osinfo.atiodmat, isp->isp_osinfo.atiomap,
1619                     base, len, imc, &im, 0) || im.error) {
1620                         isp_prt(isp, ISP_LOGERR, "error loading ATIO DMA map %d", im.error);
1621                         goto bad;
1622                 }
1623                 isp_prt(isp, ISP_LOGDEBUG0, "ATIO area @ 0x%jx/0x%jx",
1624                     (uintmax_t)im.maddr, (uintmax_t)len);
1625                 isp->isp_atioq_dma = im.maddr;
1626         }
1627 #endif
1628
1629         if (IS_FC(isp)) {
1630                 if (bus_dma_tag_create(isp->isp_osinfo.dmat, 64, slim,
1631                     BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL,
1632                     2*QENTRY_LEN, 1, 2*QENTRY_LEN, 0, busdma_lock_mutex,
1633                     &isp->isp_lock, &isp->isp_osinfo.iocbdmat)) {
1634                         goto bad;
1635                 }
1636                 if (bus_dmamem_alloc(isp->isp_osinfo.iocbdmat,
1637                     (void **)&base, BUS_DMA_COHERENT, &isp->isp_osinfo.iocbmap) != 0)
1638                         goto bad;
1639                 isp->isp_iocb = base;
1640                 im.error = 0;
1641                 if (bus_dmamap_load(isp->isp_osinfo.iocbdmat, isp->isp_osinfo.iocbmap,
1642                     base, 2*QENTRY_LEN, imc, &im, 0) || im.error)
1643                         goto bad;
1644                 isp->isp_iocb_dma = im.maddr;
1645
1646                 if (bus_dma_tag_create(isp->isp_osinfo.dmat, 64, slim,
1647                     BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL,
1648                     ISP_FC_SCRLEN, 1, ISP_FC_SCRLEN, 0, busdma_lock_mutex,
1649                     &isp->isp_lock, &isp->isp_osinfo.scdmat))
1650                         goto bad;
1651                 for (cmap = 0; cmap < isp->isp_nchan; cmap++) {
1652                         struct isp_fc *fc = ISP_FC_PC(isp, cmap);
1653                         if (bus_dmamem_alloc(isp->isp_osinfo.scdmat,
1654                             (void **)&base, BUS_DMA_COHERENT, &fc->scmap) != 0)
1655                                 goto bad;
1656                         FCPARAM(isp, cmap)->isp_scratch = base;
1657                         im.error = 0;
1658                         if (bus_dmamap_load(isp->isp_osinfo.scdmat, fc->scmap,
1659                             base, ISP_FC_SCRLEN, imc, &im, 0) || im.error) {
1660                                 bus_dmamem_free(isp->isp_osinfo.scdmat,
1661                                     base, fc->scmap);
1662                                 FCPARAM(isp, cmap)->isp_scratch = NULL;
1663                                 goto bad;
1664                         }
1665                         FCPARAM(isp, cmap)->isp_scdma = im.maddr;
1666                         if (!IS_2100(isp)) {
1667                                 for (i = 0; i < INITIAL_NEXUS_COUNT; i++) {
1668                                         struct isp_nexus *n = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_NOWAIT | M_ZERO);
1669                                         if (n == NULL) {
1670                                                 while (fc->nexus_free_list) {
1671                                                         n = fc->nexus_free_list;
1672                                                         fc->nexus_free_list = n->next;
1673                                                         free(n, M_DEVBUF);
1674                                                 }
1675                                                 goto bad;
1676                                         }
1677                                         n->next = fc->nexus_free_list;
1678                                         fc->nexus_free_list = n;
1679                                 }
1680                         }
1681                 }
1682         }
1683
1684         if (isp->isp_maxcmds == 0) {
1685                 ISP_LOCK(isp);
1686                 return (0);
1687         }
1688
1689 gotmaxcmds:
1690         len = isp->isp_maxcmds * sizeof (struct isp_pcmd);
1691         isp->isp_osinfo.pcmd_pool = (struct isp_pcmd *)
1692             malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
1693         for (i = 0; i < isp->isp_maxcmds; i++) {
1694                 struct isp_pcmd *pcmd = &isp->isp_osinfo.pcmd_pool[i];
1695                 error = bus_dmamap_create(isp->isp_osinfo.dmat, 0, &pcmd->dmap);
1696                 if (error) {
1697                         isp_prt(isp, ISP_LOGERR, "error %d creating per-cmd DMA maps", error);
1698                         while (--i >= 0) {
1699                                 bus_dmamap_destroy(isp->isp_osinfo.dmat,
1700                                     isp->isp_osinfo.pcmd_pool[i].dmap);
1701                         }
1702                         goto bad;
1703                 }
1704                 callout_init_mtx(&pcmd->wdog, &isp->isp_lock, 0);
1705                 if (i == isp->isp_maxcmds-1)
1706                         pcmd->next = NULL;
1707                 else
1708                         pcmd->next = &isp->isp_osinfo.pcmd_pool[i+1];
1709         }
1710         isp->isp_osinfo.pcmd_free = &isp->isp_osinfo.pcmd_pool[0];
1711
1712         len = sizeof (isp_hdl_t) * isp->isp_maxcmds;
1713         isp->isp_xflist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
1714         for (len = 0; len < isp->isp_maxcmds - 1; len++)
1715                 isp->isp_xflist[len].cmd = &isp->isp_xflist[len+1];
1716         isp->isp_xffree = isp->isp_xflist;
1717
1718         ISP_LOCK(isp);
1719         return (0);
1720
1721 bad:
1722         isp_pci_mbxdmafree(isp);
1723         ISP_LOCK(isp);
1724         return (1);
1725 }
1726
1727 static void
1728 isp_pci_mbxdmafree(ispsoftc_t *isp)
1729 {
1730         int i;
1731
1732         if (isp->isp_xflist != NULL) {
1733                 free(isp->isp_xflist, M_DEVBUF);
1734                 isp->isp_xflist = NULL;
1735         }
1736         if (isp->isp_osinfo.pcmd_pool != NULL) {
1737                 for (i = 0; i < isp->isp_maxcmds; i++) {
1738                         bus_dmamap_destroy(isp->isp_osinfo.dmat,
1739                             isp->isp_osinfo.pcmd_pool[i].dmap);
1740                 }
1741                 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1742                 isp->isp_osinfo.pcmd_pool = NULL;
1743         }
1744         if (IS_FC(isp)) {
1745                 for (i = 0; i < isp->isp_nchan; i++) {
1746                         struct isp_fc *fc = ISP_FC_PC(isp, i);
1747                         if (FCPARAM(isp, i)->isp_scdma != 0) {
1748                                 bus_dmamap_unload(isp->isp_osinfo.scdmat,
1749                                     fc->scmap);
1750                                 FCPARAM(isp, i)->isp_scdma = 0;
1751                         }
1752                         if (FCPARAM(isp, i)->isp_scratch != NULL) {
1753                                 bus_dmamem_free(isp->isp_osinfo.scdmat,
1754                                     FCPARAM(isp, i)->isp_scratch, fc->scmap);
1755                                 FCPARAM(isp, i)->isp_scratch = NULL;
1756                         }
1757                         while (fc->nexus_free_list) {
1758                                 struct isp_nexus *n = fc->nexus_free_list;
1759                                 fc->nexus_free_list = n->next;
1760                                 free(n, M_DEVBUF);
1761                         }
1762                 }
1763                 if (isp->isp_iocb_dma != 0) {
1764                         bus_dma_tag_destroy(isp->isp_osinfo.scdmat);
1765                         bus_dmamap_unload(isp->isp_osinfo.iocbdmat,
1766                             isp->isp_osinfo.iocbmap);
1767                         isp->isp_iocb_dma = 0;
1768                 }
1769                 if (isp->isp_iocb != NULL) {
1770                         bus_dmamem_free(isp->isp_osinfo.iocbdmat,
1771                             isp->isp_iocb, isp->isp_osinfo.iocbmap);
1772                         bus_dma_tag_destroy(isp->isp_osinfo.iocbdmat);
1773                 }
1774         }
1775 #ifdef  ISP_TARGET_MODE
1776         if (IS_24XX(isp)) {
1777                 if (isp->isp_atioq_dma != 0) {
1778                         bus_dmamap_unload(isp->isp_osinfo.atiodmat,
1779                             isp->isp_osinfo.atiomap);
1780                         isp->isp_atioq_dma = 0;
1781                 }
1782                 if (isp->isp_atioq != NULL) {
1783                         bus_dmamem_free(isp->isp_osinfo.atiodmat, isp->isp_atioq,
1784                             isp->isp_osinfo.atiomap);
1785                         bus_dma_tag_destroy(isp->isp_osinfo.atiodmat);
1786                         isp->isp_atioq = NULL;
1787                 }
1788         }
1789 #endif
1790         if (isp->isp_result_dma != 0) {
1791                 bus_dmamap_unload(isp->isp_osinfo.respdmat,
1792                     isp->isp_osinfo.respmap);
1793                 isp->isp_result_dma = 0;
1794         }
1795         if (isp->isp_result != NULL) {
1796                 bus_dmamem_free(isp->isp_osinfo.respdmat, isp->isp_result,
1797                     isp->isp_osinfo.respmap);
1798                 bus_dma_tag_destroy(isp->isp_osinfo.respdmat);
1799                 isp->isp_result = NULL;
1800         }
1801         if (isp->isp_rquest_dma != 0) {
1802                 bus_dmamap_unload(isp->isp_osinfo.reqdmat,
1803                     isp->isp_osinfo.reqmap);
1804                 isp->isp_rquest_dma = 0;
1805         }
1806         if (isp->isp_rquest != NULL) {
1807                 bus_dmamem_free(isp->isp_osinfo.reqdmat, isp->isp_rquest,
1808                     isp->isp_osinfo.reqmap);
1809                 bus_dma_tag_destroy(isp->isp_osinfo.reqdmat);
1810                 isp->isp_rquest = NULL;
1811         }
1812 }
1813
1814 typedef struct {
1815         ispsoftc_t *isp;
1816         void *cmd_token;
1817         void *rq;       /* original request */
1818         int error;
1819 } mush_t;
1820
1821 #define MUSHERR_NOQENTRIES      -2
1822
1823 static void
1824 dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1825 {
1826         mush_t *mp = (mush_t *) arg;
1827         ispsoftc_t *isp= mp->isp;
1828         struct ccb_scsiio *csio = mp->cmd_token;
1829         isp_ddir_t ddir;
1830         int sdir;
1831
1832         if (error) {
1833                 mp->error = error;
1834                 return;
1835         }
1836         if (nseg == 0) {
1837                 ddir = ISP_NOXFR;
1838         } else {
1839                 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1840                         ddir = ISP_FROM_DEVICE;
1841                 } else {
1842                         ddir = ISP_TO_DEVICE;
1843                 }
1844                 if ((csio->ccb_h.func_code == XPT_CONT_TARGET_IO) ^
1845                     ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)) {
1846                         sdir = BUS_DMASYNC_PREREAD;
1847                 } else {
1848                         sdir = BUS_DMASYNC_PREWRITE;
1849                 }
1850                 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap,
1851                     sdir);
1852         }
1853
1854         error = isp_send_cmd(isp, mp->rq, dm_segs, nseg, XS_XFRLEN(csio),
1855             ddir, (ispds64_t *)csio->req_map);
1856         switch (error) {
1857         case CMD_EAGAIN:
1858                 mp->error = MUSHERR_NOQENTRIES;
1859                 break;
1860         case CMD_QUEUED:
1861                 break;
1862         default:
1863                 mp->error = EIO;
1864                 break;
1865         }
1866 }
1867
1868 static int
1869 isp_pci_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *ff)
1870 {
1871         mush_t mush, *mp;
1872         int error;
1873
1874         mp = &mush;
1875         mp->isp = isp;
1876         mp->cmd_token = csio;
1877         mp->rq = ff;
1878         mp->error = 0;
1879
1880         error = bus_dmamap_load_ccb(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap,
1881             (union ccb *)csio, dma2, mp, 0);
1882         if (error == EINPROGRESS) {
1883                 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
1884                 mp->error = EINVAL;
1885                 isp_prt(isp, ISP_LOGERR, "deferred dma allocation not supported");
1886         } else if (error && mp->error == 0) {
1887 #ifdef  DIAGNOSTIC
1888                 isp_prt(isp, ISP_LOGERR, "error %d in dma mapping code", error);
1889 #endif
1890                 mp->error = error;
1891         }
1892         if (mp->error) {
1893                 int retval = CMD_COMPLETE;
1894                 if (mp->error == MUSHERR_NOQENTRIES) {
1895                         retval = CMD_EAGAIN;
1896                 } else if (mp->error == EFBIG) {
1897                         csio->ccb_h.status = CAM_REQ_TOO_BIG;
1898                 } else if (mp->error == EINVAL) {
1899                         csio->ccb_h.status = CAM_REQ_INVALID;
1900                 } else {
1901                         csio->ccb_h.status = CAM_UNREC_HBA_ERROR;
1902                 }
1903                 return (retval);
1904         }
1905         return (CMD_QUEUED);
1906 }
1907
1908 static int
1909 isp_pci_irqsetup(ispsoftc_t *isp)
1910 {
1911         device_t dev = isp->isp_osinfo.dev;
1912         struct isp_pcisoftc *pcs = device_get_softc(dev);
1913         driver_intr_t *f;
1914         int i, max_irq;
1915
1916         /* Allocate IRQs only once. */
1917         if (isp->isp_nirq > 0)
1918                 return (0);
1919
1920         ISP_UNLOCK(isp);
1921         if (ISP_CAP_MSIX(isp)) {
1922                 max_irq = IS_26XX(isp) ? 3 : (IS_25XX(isp) ? 2 : 0);
1923                 resource_int_value(device_get_name(dev),
1924                     device_get_unit(dev), "msix", &max_irq);
1925                 max_irq = imin(ISP_MAX_IRQS, max_irq);
1926                 pcs->msicount = imin(pci_msix_count(dev), max_irq);
1927                 if (pcs->msicount > 0 &&
1928                     pci_alloc_msix(dev, &pcs->msicount) != 0)
1929                         pcs->msicount = 0;
1930         }
1931         if (pcs->msicount == 0) {
1932                 max_irq = 1;
1933                 resource_int_value(device_get_name(dev),
1934                     device_get_unit(dev), "msi", &max_irq);
1935                 max_irq = imin(1, max_irq);
1936                 pcs->msicount = imin(pci_msi_count(dev), max_irq);
1937                 if (pcs->msicount > 0 &&
1938                     pci_alloc_msi(dev, &pcs->msicount) != 0)
1939                         pcs->msicount = 0;
1940         }
1941         for (i = 0; i < MAX(1, pcs->msicount); i++) {
1942                 pcs->irq[i].iqd = i + (pcs->msicount > 0);
1943                 pcs->irq[i].irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
1944                     &pcs->irq[i].iqd, RF_ACTIVE | RF_SHAREABLE);
1945                 if (pcs->irq[i].irq == NULL) {
1946                         device_printf(dev, "could not allocate interrupt\n");
1947                         break;
1948                 }
1949                 if (i == 0)
1950                         f = isp_platform_intr;
1951                 else if (i == 1)
1952                         f = isp_platform_intr_resp;
1953                 else
1954                         f = isp_platform_intr_atio;
1955                 if (bus_setup_intr(dev, pcs->irq[i].irq, ISP_IFLAGS, NULL,
1956                     f, isp, &pcs->irq[i].ih)) {
1957                         device_printf(dev, "could not setup interrupt\n");
1958                         (void) bus_release_resource(dev, SYS_RES_IRQ,
1959                             pcs->irq[i].iqd, pcs->irq[i].irq);
1960                         break;
1961                 }
1962                 if (pcs->msicount > 1) {
1963                         bus_describe_intr(dev, pcs->irq[i].irq, pcs->irq[i].ih,
1964                             "%d", i);
1965                 }
1966                 isp->isp_nirq = i + 1;
1967         }
1968         ISP_LOCK(isp);
1969
1970         return (isp->isp_nirq == 0);
1971 }
1972
1973 static void
1974 isp_pci_dumpregs(ispsoftc_t *isp, const char *msg)
1975 {
1976         struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
1977         if (msg)
1978                 printf("%s: %s\n", device_get_nameunit(isp->isp_dev), msg);
1979         else
1980                 printf("%s:\n", device_get_nameunit(isp->isp_dev));
1981         if (IS_SCSI(isp))
1982                 printf("    biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
1983         else
1984                 printf("    biu_csr=%x", ISP_READ(isp, BIU2100_CSR));
1985         printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
1986             ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
1987         printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
1988
1989
1990         if (IS_SCSI(isp)) {
1991                 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
1992                 printf("    cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
1993                         ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
1994                         ISP_READ(isp, CDMA_FIFO_STS));
1995                 printf("    ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
1996                         ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
1997                         ISP_READ(isp, DDMA_FIFO_STS));
1998                 printf("    sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
1999                         ISP_READ(isp, SXP_INTERRUPT),
2000                         ISP_READ(isp, SXP_GROSS_ERR),
2001                         ISP_READ(isp, SXP_PINS_CTRL));
2002                 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
2003         }
2004         printf("    mbox regs: %x %x %x %x %x\n",
2005             ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
2006             ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
2007             ISP_READ(isp, OUTMAILBOX4));
2008         printf("    PCI Status Command/Status=%x\n",
2009             pci_read_config(pcs->pci_dev, PCIR_COMMAND, 1));
2010 }