1/*-
2 * Copyright (c) 1997-2008 by Matthew Jacob
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice immediately at the beginning of the file, without modification,
10 *    this list of conditions, and the following disclaimer.
11 * 2. The name of the author may not be used to endorse or promote products
12 *    derived from this software without specific prior written permission.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26/*
27 * PCI specific probe and attach routines for Qlogic ISP SCSI adapters.
28 * FreeBSD Version.
29 */
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD: releng/10.3/sys/dev/isp/isp_pci.c 292929 2015-12-30 11:54:37Z mav $");
32
33#include <sys/param.h>
34#include <sys/systm.h>
35#include <sys/kernel.h>
36#include <sys/module.h>
37#include <sys/linker.h>
38#include <sys/firmware.h>
39#include <sys/bus.h>
40#include <sys/stdint.h>
41#include <dev/pci/pcireg.h>
42#include <dev/pci/pcivar.h>
43#include <machine/bus.h>
44#include <machine/resource.h>
45#include <sys/rman.h>
46#include <sys/malloc.h>
47#include <sys/uio.h>
48
49#ifdef __sparc64__
50#include <dev/ofw/openfirm.h>
51#include <machine/ofw_machdep.h>
52#endif
53
54#include <dev/isp/isp_freebsd.h>
55
56static uint32_t isp_pci_rd_reg(ispsoftc_t *, int);
57static void isp_pci_wr_reg(ispsoftc_t *, int, uint32_t);
58static uint32_t isp_pci_rd_reg_1080(ispsoftc_t *, int);
59static void isp_pci_wr_reg_1080(ispsoftc_t *, int, uint32_t);
60static uint32_t isp_pci_rd_reg_2400(ispsoftc_t *, int);
61static void isp_pci_wr_reg_2400(ispsoftc_t *, int, uint32_t);
62static uint32_t isp_pci_rd_reg_2600(ispsoftc_t *, int);
63static void isp_pci_wr_reg_2600(ispsoftc_t *, int, uint32_t);
64static int isp_pci_rd_isr(ispsoftc_t *, uint16_t *, uint16_t *, uint16_t *);
65static int isp_pci_rd_isr_2300(ispsoftc_t *, uint16_t *, uint16_t *, uint16_t *);
66static int isp_pci_rd_isr_2400(ispsoftc_t *, uint16_t *, uint16_t *, uint16_t *);
67static int isp_pci_mbxdma(ispsoftc_t *);
68static int isp_pci_dmasetup(ispsoftc_t *, XS_T *, void *);
69
70
71static void isp_pci_reset0(ispsoftc_t *);
72static void isp_pci_reset1(ispsoftc_t *);
73static void isp_pci_dumpregs(ispsoftc_t *, const char *);
74
75static struct ispmdvec mdvec = {
76	isp_pci_rd_isr,
77	isp_pci_rd_reg,
78	isp_pci_wr_reg,
79	isp_pci_mbxdma,
80	isp_pci_dmasetup,
81	isp_common_dmateardown,
82	isp_pci_reset0,
83	isp_pci_reset1,
84	isp_pci_dumpregs,
85	NULL,
86	BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
87};
88
89static struct ispmdvec mdvec_1080 = {
90	isp_pci_rd_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_reset0,
97	isp_pci_reset1,
98	isp_pci_dumpregs,
99	NULL,
100	BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
101};
102
103static struct ispmdvec mdvec_12160 = {
104	isp_pci_rd_isr,
105	isp_pci_rd_reg_1080,
106	isp_pci_wr_reg_1080,
107	isp_pci_mbxdma,
108	isp_pci_dmasetup,
109	isp_common_dmateardown,
110	isp_pci_reset0,
111	isp_pci_reset1,
112	isp_pci_dumpregs,
113	NULL,
114	BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
115};
116
117static struct ispmdvec mdvec_2100 = {
118	isp_pci_rd_isr,
119	isp_pci_rd_reg,
120	isp_pci_wr_reg,
121	isp_pci_mbxdma,
122	isp_pci_dmasetup,
123	isp_common_dmateardown,
124	isp_pci_reset0,
125	isp_pci_reset1,
126	isp_pci_dumpregs
127};
128
129static struct ispmdvec mdvec_2200 = {
130	isp_pci_rd_isr,
131	isp_pci_rd_reg,
132	isp_pci_wr_reg,
133	isp_pci_mbxdma,
134	isp_pci_dmasetup,
135	isp_common_dmateardown,
136	isp_pci_reset0,
137	isp_pci_reset1,
138	isp_pci_dumpregs
139};
140
141static struct ispmdvec mdvec_2300 = {
142	isp_pci_rd_isr_2300,
143	isp_pci_rd_reg,
144	isp_pci_wr_reg,
145	isp_pci_mbxdma,
146	isp_pci_dmasetup,
147	isp_common_dmateardown,
148	isp_pci_reset0,
149	isp_pci_reset1,
150	isp_pci_dumpregs
151};
152
153static struct ispmdvec mdvec_2400 = {
154	isp_pci_rd_isr_2400,
155	isp_pci_rd_reg_2400,
156	isp_pci_wr_reg_2400,
157	isp_pci_mbxdma,
158	isp_pci_dmasetup,
159	isp_common_dmateardown,
160	isp_pci_reset0,
161	isp_pci_reset1,
162	NULL
163};
164
165static struct ispmdvec mdvec_2500 = {
166	isp_pci_rd_isr_2400,
167	isp_pci_rd_reg_2400,
168	isp_pci_wr_reg_2400,
169	isp_pci_mbxdma,
170	isp_pci_dmasetup,
171	isp_common_dmateardown,
172	isp_pci_reset0,
173	isp_pci_reset1,
174	NULL
175};
176
177static struct ispmdvec mdvec_2600 = {
178	isp_pci_rd_isr_2400,
179	isp_pci_rd_reg_2600,
180	isp_pci_wr_reg_2600,
181	isp_pci_mbxdma,
182	isp_pci_dmasetup,
183	isp_common_dmateardown,
184	isp_pci_reset0,
185	isp_pci_reset1,
186	NULL
187};
188
189#ifndef	PCIM_CMD_INVEN
190#define	PCIM_CMD_INVEN			0x10
191#endif
192#ifndef	PCIM_CMD_BUSMASTEREN
193#define	PCIM_CMD_BUSMASTEREN		0x0004
194#endif
195#ifndef	PCIM_CMD_PERRESPEN
196#define	PCIM_CMD_PERRESPEN		0x0040
197#endif
198#ifndef	PCIM_CMD_SEREN
199#define	PCIM_CMD_SEREN			0x0100
200#endif
201#ifndef	PCIM_CMD_INTX_DISABLE
202#define	PCIM_CMD_INTX_DISABLE		0x0400
203#endif
204
205#ifndef	PCIR_COMMAND
206#define	PCIR_COMMAND			0x04
207#endif
208
209#ifndef	PCIR_CACHELNSZ
210#define	PCIR_CACHELNSZ			0x0c
211#endif
212
213#ifndef	PCIR_LATTIMER
214#define	PCIR_LATTIMER			0x0d
215#endif
216
217#ifndef	PCIR_ROMADDR
218#define	PCIR_ROMADDR			0x30
219#endif
220
221#ifndef	PCI_VENDOR_QLOGIC
222#define	PCI_VENDOR_QLOGIC		0x1077
223#endif
224
225#ifndef	PCI_PRODUCT_QLOGIC_ISP1020
226#define	PCI_PRODUCT_QLOGIC_ISP1020	0x1020
227#endif
228
229#ifndef	PCI_PRODUCT_QLOGIC_ISP1080
230#define	PCI_PRODUCT_QLOGIC_ISP1080	0x1080
231#endif
232
233#ifndef	PCI_PRODUCT_QLOGIC_ISP10160
234#define	PCI_PRODUCT_QLOGIC_ISP10160	0x1016
235#endif
236
237#ifndef	PCI_PRODUCT_QLOGIC_ISP12160
238#define	PCI_PRODUCT_QLOGIC_ISP12160	0x1216
239#endif
240
241#ifndef	PCI_PRODUCT_QLOGIC_ISP1240
242#define	PCI_PRODUCT_QLOGIC_ISP1240	0x1240
243#endif
244
245#ifndef	PCI_PRODUCT_QLOGIC_ISP1280
246#define	PCI_PRODUCT_QLOGIC_ISP1280	0x1280
247#endif
248
249#ifndef	PCI_PRODUCT_QLOGIC_ISP2100
250#define	PCI_PRODUCT_QLOGIC_ISP2100	0x2100
251#endif
252
253#ifndef	PCI_PRODUCT_QLOGIC_ISP2200
254#define	PCI_PRODUCT_QLOGIC_ISP2200	0x2200
255#endif
256
257#ifndef	PCI_PRODUCT_QLOGIC_ISP2300
258#define	PCI_PRODUCT_QLOGIC_ISP2300	0x2300
259#endif
260
261#ifndef	PCI_PRODUCT_QLOGIC_ISP2312
262#define	PCI_PRODUCT_QLOGIC_ISP2312	0x2312
263#endif
264
265#ifndef	PCI_PRODUCT_QLOGIC_ISP2322
266#define	PCI_PRODUCT_QLOGIC_ISP2322	0x2322
267#endif
268
269#ifndef	PCI_PRODUCT_QLOGIC_ISP2422
270#define	PCI_PRODUCT_QLOGIC_ISP2422	0x2422
271#endif
272
273#ifndef	PCI_PRODUCT_QLOGIC_ISP2432
274#define	PCI_PRODUCT_QLOGIC_ISP2432	0x2432
275#endif
276
277#ifndef	PCI_PRODUCT_QLOGIC_ISP2532
278#define	PCI_PRODUCT_QLOGIC_ISP2532	0x2532
279#endif
280
281#ifndef	PCI_PRODUCT_QLOGIC_ISP6312
282#define	PCI_PRODUCT_QLOGIC_ISP6312	0x6312
283#endif
284
285#ifndef	PCI_PRODUCT_QLOGIC_ISP6322
286#define	PCI_PRODUCT_QLOGIC_ISP6322	0x6322
287#endif
288
289#ifndef        PCI_PRODUCT_QLOGIC_ISP5432
290#define        PCI_PRODUCT_QLOGIC_ISP5432      0x5432
291#endif
292
293#ifndef	PCI_PRODUCT_QLOGIC_ISP2031
294#define	PCI_PRODUCT_QLOGIC_ISP2031	0x2031
295#endif
296
297#ifndef	PCI_PRODUCT_QLOGIC_ISP8031
298#define	PCI_PRODUCT_QLOGIC_ISP8031	0x8031
299#endif
300
301#define        PCI_QLOGIC_ISP5432      \
302       ((PCI_PRODUCT_QLOGIC_ISP5432 << 16) | PCI_VENDOR_QLOGIC)
303
304#define	PCI_QLOGIC_ISP1020	\
305	((PCI_PRODUCT_QLOGIC_ISP1020 << 16) | PCI_VENDOR_QLOGIC)
306
307#define	PCI_QLOGIC_ISP1080	\
308	((PCI_PRODUCT_QLOGIC_ISP1080 << 16) | PCI_VENDOR_QLOGIC)
309
310#define	PCI_QLOGIC_ISP10160	\
311	((PCI_PRODUCT_QLOGIC_ISP10160 << 16) | PCI_VENDOR_QLOGIC)
312
313#define	PCI_QLOGIC_ISP12160	\
314	((PCI_PRODUCT_QLOGIC_ISP12160 << 16) | PCI_VENDOR_QLOGIC)
315
316#define	PCI_QLOGIC_ISP1240	\
317	((PCI_PRODUCT_QLOGIC_ISP1240 << 16) | PCI_VENDOR_QLOGIC)
318
319#define	PCI_QLOGIC_ISP1280	\
320	((PCI_PRODUCT_QLOGIC_ISP1280 << 16) | PCI_VENDOR_QLOGIC)
321
322#define	PCI_QLOGIC_ISP2100	\
323	((PCI_PRODUCT_QLOGIC_ISP2100 << 16) | PCI_VENDOR_QLOGIC)
324
325#define	PCI_QLOGIC_ISP2200	\
326	((PCI_PRODUCT_QLOGIC_ISP2200 << 16) | PCI_VENDOR_QLOGIC)
327
328#define	PCI_QLOGIC_ISP2300	\
329	((PCI_PRODUCT_QLOGIC_ISP2300 << 16) | PCI_VENDOR_QLOGIC)
330
331#define	PCI_QLOGIC_ISP2312	\
332	((PCI_PRODUCT_QLOGIC_ISP2312 << 16) | PCI_VENDOR_QLOGIC)
333
334#define	PCI_QLOGIC_ISP2322	\
335	((PCI_PRODUCT_QLOGIC_ISP2322 << 16) | PCI_VENDOR_QLOGIC)
336
337#define	PCI_QLOGIC_ISP2422	\
338	((PCI_PRODUCT_QLOGIC_ISP2422 << 16) | PCI_VENDOR_QLOGIC)
339
340#define	PCI_QLOGIC_ISP2432	\
341	((PCI_PRODUCT_QLOGIC_ISP2432 << 16) | PCI_VENDOR_QLOGIC)
342
343#define	PCI_QLOGIC_ISP2532	\
344	((PCI_PRODUCT_QLOGIC_ISP2532 << 16) | PCI_VENDOR_QLOGIC)
345
346#define	PCI_QLOGIC_ISP6312	\
347	((PCI_PRODUCT_QLOGIC_ISP6312 << 16) | PCI_VENDOR_QLOGIC)
348
349#define	PCI_QLOGIC_ISP6322	\
350	((PCI_PRODUCT_QLOGIC_ISP6322 << 16) | PCI_VENDOR_QLOGIC)
351
352#define	PCI_QLOGIC_ISP2031	\
353	((PCI_PRODUCT_QLOGIC_ISP2031 << 16) | PCI_VENDOR_QLOGIC)
354
355#define	PCI_QLOGIC_ISP8031	\
356	((PCI_PRODUCT_QLOGIC_ISP8031 << 16) | PCI_VENDOR_QLOGIC)
357
358/*
359 * Odd case for some AMI raid cards... We need to *not* attach to this.
360 */
361#define	AMI_RAID_SUBVENDOR_ID	0x101e
362
363#define	PCI_DFLT_LTNCY	0x40
364#define	PCI_DFLT_LNSZ	0x10
365
366static int isp_pci_probe (device_t);
367static int isp_pci_attach (device_t);
368static int isp_pci_detach (device_t);
369
370
371#define	ISP_PCD(isp)	((struct isp_pcisoftc *)isp)->pci_dev
372struct isp_pcisoftc {
373	ispsoftc_t			pci_isp;
374	device_t			pci_dev;
375	struct resource *		regs;
376	struct resource *		regs1;
377	struct resource *		regs2;
378	void *				irq;
379	int				iqd;
380	int				rtp;
381	int				rgd;
382	int				rtp1;
383	int				rgd1;
384	int				rtp2;
385	int				rgd2;
386	void *				ih;
387	int16_t				pci_poff[_NREG_BLKS];
388	bus_dma_tag_t			dmat;
389	int				msicount;
390};
391
392
393static device_method_t isp_pci_methods[] = {
394	/* Device interface */
395	DEVMETHOD(device_probe,		isp_pci_probe),
396	DEVMETHOD(device_attach,	isp_pci_attach),
397	DEVMETHOD(device_detach,	isp_pci_detach),
398	{ 0, 0 }
399};
400
401static driver_t isp_pci_driver = {
402	"isp", isp_pci_methods, sizeof (struct isp_pcisoftc)
403};
404static devclass_t isp_devclass;
405DRIVER_MODULE(isp, pci, isp_pci_driver, isp_devclass, 0, 0);
406MODULE_DEPEND(isp, cam, 1, 1, 1);
407MODULE_DEPEND(isp, firmware, 1, 1, 1);
408static int isp_nvports = 0;
409
410static int
411isp_pci_probe(device_t dev)
412{
413	switch ((pci_get_device(dev) << 16) | (pci_get_vendor(dev))) {
414	case PCI_QLOGIC_ISP1020:
415		device_set_desc(dev, "Qlogic ISP 1020/1040 PCI SCSI Adapter");
416		break;
417	case PCI_QLOGIC_ISP1080:
418		device_set_desc(dev, "Qlogic ISP 1080 PCI SCSI Adapter");
419		break;
420	case PCI_QLOGIC_ISP1240:
421		device_set_desc(dev, "Qlogic ISP 1240 PCI SCSI Adapter");
422		break;
423	case PCI_QLOGIC_ISP1280:
424		device_set_desc(dev, "Qlogic ISP 1280 PCI SCSI Adapter");
425		break;
426	case PCI_QLOGIC_ISP10160:
427		device_set_desc(dev, "Qlogic ISP 10160 PCI SCSI Adapter");
428		break;
429	case PCI_QLOGIC_ISP12160:
430		if (pci_get_subvendor(dev) == AMI_RAID_SUBVENDOR_ID) {
431			return (ENXIO);
432		}
433		device_set_desc(dev, "Qlogic ISP 12160 PCI SCSI Adapter");
434		break;
435	case PCI_QLOGIC_ISP2100:
436		device_set_desc(dev, "Qlogic ISP 2100 PCI FC-AL Adapter");
437		break;
438	case PCI_QLOGIC_ISP2200:
439		device_set_desc(dev, "Qlogic ISP 2200 PCI FC-AL Adapter");
440		break;
441	case PCI_QLOGIC_ISP2300:
442		device_set_desc(dev, "Qlogic ISP 2300 PCI FC-AL Adapter");
443		break;
444	case PCI_QLOGIC_ISP2312:
445		device_set_desc(dev, "Qlogic ISP 2312 PCI FC-AL Adapter");
446		break;
447	case PCI_QLOGIC_ISP2322:
448		device_set_desc(dev, "Qlogic ISP 2322 PCI FC-AL Adapter");
449		break;
450	case PCI_QLOGIC_ISP2422:
451		device_set_desc(dev, "Qlogic ISP 2422 PCI FC-AL Adapter");
452		break;
453	case PCI_QLOGIC_ISP2432:
454		device_set_desc(dev, "Qlogic ISP 2432 PCI FC-AL Adapter");
455		break;
456	case PCI_QLOGIC_ISP2532:
457		device_set_desc(dev, "Qlogic ISP 2532 PCI FC-AL Adapter");
458		break;
459	case PCI_QLOGIC_ISP5432:
460		device_set_desc(dev, "Qlogic ISP 5432 PCI FC-AL Adapter");
461		break;
462	case PCI_QLOGIC_ISP6312:
463		device_set_desc(dev, "Qlogic ISP 6312 PCI FC-AL Adapter");
464		break;
465	case PCI_QLOGIC_ISP6322:
466		device_set_desc(dev, "Qlogic ISP 6322 PCI FC-AL Adapter");
467		break;
468	case PCI_QLOGIC_ISP2031:
469		device_set_desc(dev, "Qlogic ISP 2031 PCI FC-AL Adapter");
470		break;
471	case PCI_QLOGIC_ISP8031:
472		device_set_desc(dev, "Qlogic ISP 8031 PCI FCoE Adapter");
473		break;
474	default:
475		return (ENXIO);
476	}
477	if (isp_announced == 0 && bootverbose) {
478		printf("Qlogic ISP Driver, FreeBSD Version %d.%d, "
479		    "Core Version %d.%d\n",
480		    ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
481		    ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
482		isp_announced++;
483	}
484	/*
485	 * XXXX: Here is where we might load the f/w module
486	 * XXXX: (or increase a reference count to it).
487	 */
488	return (BUS_PROBE_DEFAULT);
489}
490
491static void
492isp_get_generic_options(device_t dev, ispsoftc_t *isp)
493{
494	int tval;
495
496	tval = 0;
497	if (resource_int_value(device_get_name(dev), device_get_unit(dev), "fwload_disable", &tval) == 0 && tval != 0) {
498		isp->isp_confopts |= ISP_CFG_NORELOAD;
499	}
500	tval = 0;
501	if (resource_int_value(device_get_name(dev), device_get_unit(dev), "ignore_nvram", &tval) == 0 && tval != 0) {
502		isp->isp_confopts |= ISP_CFG_NONVRAM;
503	}
504	tval = 0;
505	(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "debug", &tval);
506	if (tval) {
507		isp->isp_dblev = tval;
508	} else {
509		isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
510	}
511	if (bootverbose) {
512		isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
513	}
514	tval = -1;
515	(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "vports", &tval);
516	if (tval > 0 && tval <= 254) {
517		isp_nvports = tval;
518	}
519	tval = 7;
520	(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "quickboot_time", &tval);
521	isp_quickboot_time = tval;
522}
523
524static void
525isp_get_specific_options(device_t dev, int chan, ispsoftc_t *isp)
526{
527	const char *sptr;
528	int tval = 0;
529	char prefix[12], name[16];
530
531	if (chan == 0)
532		prefix[0] = 0;
533	else
534		snprintf(prefix, sizeof(prefix), "chan%d.", chan);
535	snprintf(name, sizeof(name), "%siid", prefix);
536	if (resource_int_value(device_get_name(dev), device_get_unit(dev),
537	    name, &tval)) {
538		if (IS_FC(isp)) {
539			ISP_FC_PC(isp, chan)->default_id = 109 - chan;
540		} else {
541#ifdef __sparc64__
542			ISP_SPI_PC(isp, chan)->iid = OF_getscsinitid(dev);
543#else
544			ISP_SPI_PC(isp, chan)->iid = 7;
545#endif
546		}
547	} else {
548		if (IS_FC(isp)) {
549			ISP_FC_PC(isp, chan)->default_id = tval - chan;
550		} else {
551			ISP_SPI_PC(isp, chan)->iid = tval;
552		}
553		isp->isp_confopts |= ISP_CFG_OWNLOOPID;
554	}
555
556	if (IS_SCSI(isp))
557		return;
558
559	tval = -1;
560	snprintf(name, sizeof(name), "%srole", prefix);
561	if (resource_int_value(device_get_name(dev), device_get_unit(dev),
562	    name, &tval) == 0) {
563		switch (tval) {
564		case ISP_ROLE_NONE:
565		case ISP_ROLE_INITIATOR:
566		case ISP_ROLE_TARGET:
567		case ISP_ROLE_BOTH:
568			device_printf(dev, "Chan %d setting role to 0x%x\n", chan, tval);
569			break;
570		default:
571			tval = -1;
572			break;
573		}
574	}
575	if (tval == -1) {
576		tval = ISP_DEFAULT_ROLES;
577	}
578	ISP_FC_PC(isp, chan)->def_role = tval;
579
580	tval = 0;
581	snprintf(name, sizeof(name), "%sfullduplex", prefix);
582	if (resource_int_value(device_get_name(dev), device_get_unit(dev),
583	    name, &tval) == 0 && tval != 0) {
584		isp->isp_confopts |= ISP_CFG_FULL_DUPLEX;
585	}
586	sptr = 0;
587	snprintf(name, sizeof(name), "%stopology", prefix);
588	if (resource_string_value(device_get_name(dev), device_get_unit(dev),
589	    name, (const char **) &sptr) == 0 && sptr != 0) {
590		if (strcmp(sptr, "lport") == 0) {
591			isp->isp_confopts |= ISP_CFG_LPORT;
592		} else if (strcmp(sptr, "nport") == 0) {
593			isp->isp_confopts |= ISP_CFG_NPORT;
594		} else if (strcmp(sptr, "lport-only") == 0) {
595			isp->isp_confopts |= ISP_CFG_LPORT_ONLY;
596		} else if (strcmp(sptr, "nport-only") == 0) {
597			isp->isp_confopts |= ISP_CFG_NPORT_ONLY;
598		}
599	}
600
601	tval = 0;
602	snprintf(name, sizeof(name), "%snofctape", prefix);
603	(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
604	    name, &tval);
605	if (tval) {
606		isp->isp_confopts |= ISP_CFG_NOFCTAPE;
607	}
608
609	tval = 0;
610	snprintf(name, sizeof(name), "%sfctape", prefix);
611	(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
612	    name, &tval);
613	if (tval) {
614		isp->isp_confopts &= ~ISP_CFG_NOFCTAPE;
615		isp->isp_confopts |= ISP_CFG_FCTAPE;
616	}
617
618
619	/*
620	 * Because the resource_*_value functions can neither return
621	 * 64 bit integer values, nor can they be directly coerced
622	 * to interpret the right hand side of the assignment as
623	 * you want them to interpret it, we have to force WWN
624	 * hint replacement to specify WWN strings with a leading
625	 * 'w' (e..g w50000000aaaa0001). Sigh.
626	 */
627	sptr = 0;
628	snprintf(name, sizeof(name), "%sportwwn", prefix);
629	tval = resource_string_value(device_get_name(dev), device_get_unit(dev),
630	    name, (const char **) &sptr);
631	if (tval == 0 && sptr != 0 && *sptr++ == 'w') {
632		char *eptr = 0;
633		ISP_FC_PC(isp, chan)->def_wwpn = strtouq(sptr, &eptr, 16);
634		if (eptr < sptr + 16 || ISP_FC_PC(isp, chan)->def_wwpn == -1) {
635			device_printf(dev, "mangled portwwn hint '%s'\n", sptr);
636			ISP_FC_PC(isp, chan)->def_wwpn = 0;
637		}
638	}
639
640	sptr = 0;
641	snprintf(name, sizeof(name), "%snodewwn", prefix);
642	tval = resource_string_value(device_get_name(dev), device_get_unit(dev),
643	    name, (const char **) &sptr);
644	if (tval == 0 && sptr != 0 && *sptr++ == 'w') {
645		char *eptr = 0;
646		ISP_FC_PC(isp, chan)->def_wwnn = strtouq(sptr, &eptr, 16);
647		if (eptr < sptr + 16 || ISP_FC_PC(isp, chan)->def_wwnn == 0) {
648			device_printf(dev, "mangled nodewwn hint '%s'\n", sptr);
649			ISP_FC_PC(isp, chan)->def_wwnn = 0;
650		}
651	}
652
653	tval = -1;
654	snprintf(name, sizeof(name), "%sloop_down_limit", prefix);
655	(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
656	    name, &tval);
657	if (tval >= 0 && tval < 0xffff) {
658		ISP_FC_PC(isp, chan)->loop_down_limit = tval;
659	} else {
660		ISP_FC_PC(isp, chan)->loop_down_limit = isp_loop_down_limit;
661	}
662
663	tval = -1;
664	snprintf(name, sizeof(name), "%sgone_device_time", prefix);
665	(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
666	    name, &tval);
667	if (tval >= 0 && tval < 0xffff) {
668		ISP_FC_PC(isp, chan)->gone_device_time = tval;
669	} else {
670		ISP_FC_PC(isp, chan)->gone_device_time = isp_gone_device_time;
671	}
672}
673
674static int
675isp_pci_attach(device_t dev)
676{
677	int i, locksetup = 0;
678	uint32_t data, cmd, linesz, did;
679	struct isp_pcisoftc *pcs;
680	ispsoftc_t *isp;
681	size_t psize, xsize;
682	char fwname[32];
683
684	pcs = device_get_softc(dev);
685	if (pcs == NULL) {
686		device_printf(dev, "cannot get softc\n");
687		return (ENOMEM);
688	}
689	memset(pcs, 0, sizeof (*pcs));
690
691	pcs->pci_dev = dev;
692	isp = &pcs->pci_isp;
693	isp->isp_dev = dev;
694	isp->isp_nchan = 1;
695	if (sizeof (bus_addr_t) > 4)
696		isp->isp_osinfo.sixtyfourbit = 1;
697
698	/*
699	 * Get Generic Options
700	 */
701	isp_nvports = 0;
702	isp_get_generic_options(dev, isp);
703
704	linesz = PCI_DFLT_LNSZ;
705	pcs->irq = pcs->regs = pcs->regs2 = NULL;
706	pcs->rgd = pcs->rtp = pcs->iqd = 0;
707
708	pcs->pci_dev = dev;
709	pcs->pci_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
710	pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS_OFF;
711	pcs->pci_poff[SXP_BLOCK >> _BLK_REG_SHFT] = PCI_SXP_REGS_OFF;
712	pcs->pci_poff[RISC_BLOCK >> _BLK_REG_SHFT] = PCI_RISC_REGS_OFF;
713	pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
714
715	switch (pci_get_devid(dev)) {
716	case PCI_QLOGIC_ISP1020:
717		did = 0x1040;
718		isp->isp_mdvec = &mdvec;
719		isp->isp_type = ISP_HA_SCSI_UNKNOWN;
720		break;
721	case PCI_QLOGIC_ISP1080:
722		did = 0x1080;
723		isp->isp_mdvec = &mdvec_1080;
724		isp->isp_type = ISP_HA_SCSI_1080;
725		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
726		break;
727	case PCI_QLOGIC_ISP1240:
728		did = 0x1080;
729		isp->isp_mdvec = &mdvec_1080;
730		isp->isp_type = ISP_HA_SCSI_1240;
731		isp->isp_nchan = 2;
732		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
733		break;
734	case PCI_QLOGIC_ISP1280:
735		did = 0x1080;
736		isp->isp_mdvec = &mdvec_1080;
737		isp->isp_type = ISP_HA_SCSI_1280;
738		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
739		break;
740	case PCI_QLOGIC_ISP10160:
741		did = 0x12160;
742		isp->isp_mdvec = &mdvec_12160;
743		isp->isp_type = ISP_HA_SCSI_10160;
744		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
745		break;
746	case PCI_QLOGIC_ISP12160:
747		did = 0x12160;
748		isp->isp_nchan = 2;
749		isp->isp_mdvec = &mdvec_12160;
750		isp->isp_type = ISP_HA_SCSI_12160;
751		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
752		break;
753	case PCI_QLOGIC_ISP2100:
754		did = 0x2100;
755		isp->isp_mdvec = &mdvec_2100;
756		isp->isp_type = ISP_HA_FC_2100;
757		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF;
758		if (pci_get_revid(dev) < 3) {
759			/*
760			 * XXX: Need to get the actual revision
761			 * XXX: number of the 2100 FB. At any rate,
762			 * XXX: lower cache line size for early revision
763			 * XXX; boards.
764			 */
765			linesz = 1;
766		}
767		break;
768	case PCI_QLOGIC_ISP2200:
769		did = 0x2200;
770		isp->isp_mdvec = &mdvec_2200;
771		isp->isp_type = ISP_HA_FC_2200;
772		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF;
773		break;
774	case PCI_QLOGIC_ISP2300:
775		did = 0x2300;
776		isp->isp_mdvec = &mdvec_2300;
777		isp->isp_type = ISP_HA_FC_2300;
778		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
779		break;
780	case PCI_QLOGIC_ISP2312:
781	case PCI_QLOGIC_ISP6312:
782		did = 0x2300;
783		isp->isp_mdvec = &mdvec_2300;
784		isp->isp_type = ISP_HA_FC_2312;
785		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
786		break;
787	case PCI_QLOGIC_ISP2322:
788	case PCI_QLOGIC_ISP6322:
789		did = 0x2322;
790		isp->isp_mdvec = &mdvec_2300;
791		isp->isp_type = ISP_HA_FC_2322;
792		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
793		break;
794	case PCI_QLOGIC_ISP2422:
795	case PCI_QLOGIC_ISP2432:
796		did = 0x2400;
797		isp->isp_nchan += isp_nvports;
798		isp->isp_mdvec = &mdvec_2400;
799		isp->isp_type = ISP_HA_FC_2400;
800		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
801		break;
802	case PCI_QLOGIC_ISP2532:
803		did = 0x2500;
804		isp->isp_nchan += isp_nvports;
805		isp->isp_mdvec = &mdvec_2500;
806		isp->isp_type = ISP_HA_FC_2500;
807		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
808		break;
809	case PCI_QLOGIC_ISP5432:
810		did = 0x2500;
811		isp->isp_mdvec = &mdvec_2500;
812		isp->isp_type = ISP_HA_FC_2500;
813		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
814		break;
815	case PCI_QLOGIC_ISP2031:
816	case PCI_QLOGIC_ISP8031:
817		did = 0x2600;
818		isp->isp_nchan += isp_nvports;
819		isp->isp_mdvec = &mdvec_2600;
820		isp->isp_type = ISP_HA_FC_2600;
821		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
822		break;
823	default:
824		device_printf(dev, "unknown device type\n");
825		goto bad;
826		break;
827	}
828	isp->isp_revision = pci_get_revid(dev);
829
830	if (IS_26XX(isp)) {
831		pcs->rtp = SYS_RES_MEMORY;
832		pcs->rgd = PCIR_BAR(0);
833		pcs->regs = bus_alloc_resource_any(dev, pcs->rtp, &pcs->rgd,
834		    RF_ACTIVE);
835		pcs->rtp1 = SYS_RES_MEMORY;
836		pcs->rgd1 = PCIR_BAR(2);
837		pcs->regs1 = bus_alloc_resource_any(dev, pcs->rtp1, &pcs->rgd1,
838		    RF_ACTIVE);
839		pcs->rtp2 = SYS_RES_MEMORY;
840		pcs->rgd2 = PCIR_BAR(4);
841		pcs->regs2 = bus_alloc_resource_any(dev, pcs->rtp2, &pcs->rgd2,
842		    RF_ACTIVE);
843	} else {
844		pcs->rtp = SYS_RES_MEMORY;
845		pcs->rgd = PCIR_BAR(1);
846		pcs->regs = bus_alloc_resource_any(dev, pcs->rtp, &pcs->rgd,
847		    RF_ACTIVE);
848		if (pcs->regs == NULL) {
849			pcs->rtp = SYS_RES_IOPORT;
850			pcs->rgd = PCIR_BAR(0);
851			pcs->regs = bus_alloc_resource_any(dev, pcs->rtp,
852			    &pcs->rgd, RF_ACTIVE);
853		}
854	}
855	if (pcs->regs == NULL) {
856		device_printf(dev, "Unable to map any ports\n");
857		goto bad;
858	}
859	if (bootverbose) {
860		device_printf(dev, "Using %s space register mapping\n",
861		    (pcs->rtp == SYS_RES_IOPORT)? "I/O" : "Memory");
862	}
863	isp->isp_regs = pcs->regs;
864	isp->isp_regs2 = pcs->regs2;
865
866	if (IS_FC(isp)) {
867		psize = sizeof (fcparam);
868		xsize = sizeof (struct isp_fc);
869	} else {
870		psize = sizeof (sdparam);
871		xsize = sizeof (struct isp_spi);
872	}
873	psize *= isp->isp_nchan;
874	xsize *= isp->isp_nchan;
875	isp->isp_param = malloc(psize, M_DEVBUF, M_NOWAIT | M_ZERO);
876	if (isp->isp_param == NULL) {
877		device_printf(dev, "cannot allocate parameter data\n");
878		goto bad;
879	}
880	isp->isp_osinfo.pc.ptr = malloc(xsize, M_DEVBUF, M_NOWAIT | M_ZERO);
881	if (isp->isp_osinfo.pc.ptr == NULL) {
882		device_printf(dev, "cannot allocate parameter data\n");
883		goto bad;
884	}
885
886	/*
887	 * Now that we know who we are (roughly) get/set specific options
888	 */
889	for (i = 0; i < isp->isp_nchan; i++) {
890		isp_get_specific_options(dev, i, isp);
891	}
892
893	isp->isp_osinfo.fw = NULL;
894	if (isp->isp_osinfo.fw == NULL) {
895		snprintf(fwname, sizeof (fwname), "isp_%04x", did);
896		isp->isp_osinfo.fw = firmware_get(fwname);
897	}
898	if (isp->isp_osinfo.fw != NULL) {
899		isp_prt(isp, ISP_LOGCONFIG, "loaded firmware %s", fwname);
900		isp->isp_mdvec->dv_ispfw = isp->isp_osinfo.fw->data;
901	}
902
903	/*
904	 * Make sure that SERR, PERR, WRITE INVALIDATE and BUSMASTER are set.
905	 */
906	cmd = pci_read_config(dev, PCIR_COMMAND, 2);
907	cmd |= PCIM_CMD_SEREN | PCIM_CMD_PERRESPEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_INVEN;
908	if (IS_2300(isp)) {	/* per QLogic errata */
909		cmd &= ~PCIM_CMD_INVEN;
910	}
911	if (IS_2322(isp) || pci_get_devid(dev) == PCI_QLOGIC_ISP6312) {
912		cmd &= ~PCIM_CMD_INTX_DISABLE;
913	}
914	if (IS_24XX(isp)) {
915		cmd &= ~PCIM_CMD_INTX_DISABLE;
916	}
917	pci_write_config(dev, PCIR_COMMAND, cmd, 2);
918
919	/*
920	 * Make sure the Cache Line Size register is set sensibly.
921	 */
922	data = pci_read_config(dev, PCIR_CACHELNSZ, 1);
923	if (data == 0 || (linesz != PCI_DFLT_LNSZ && data != linesz)) {
924		isp_prt(isp, ISP_LOGDEBUG0, "set PCI line size to %d from %d", linesz, data);
925		data = linesz;
926		pci_write_config(dev, PCIR_CACHELNSZ, data, 1);
927	}
928
929	/*
930	 * Make sure the Latency Timer is sane.
931	 */
932	data = pci_read_config(dev, PCIR_LATTIMER, 1);
933	if (data < PCI_DFLT_LTNCY) {
934		data = PCI_DFLT_LTNCY;
935		isp_prt(isp, ISP_LOGDEBUG0, "set PCI latency to %d", data);
936		pci_write_config(dev, PCIR_LATTIMER, data, 1);
937	}
938
939	/*
940	 * Make sure we've disabled the ROM.
941	 */
942	data = pci_read_config(dev, PCIR_ROMADDR, 4);
943	data &= ~1;
944	pci_write_config(dev, PCIR_ROMADDR, data, 4);
945
946	if (IS_26XX(isp)) {
947		/* 26XX chips support only MSI-X, so start from them. */
948		pcs->msicount = imin(pci_msix_count(dev), 1);
949		if (pcs->msicount > 0 &&
950		    (i = pci_alloc_msix(dev, &pcs->msicount)) == 0) {
951			pcs->iqd = 1;
952		} else {
953			pcs->msicount = 0;
954		}
955	}
956	if (pcs->msicount == 0 && (IS_24XX(isp) || IS_2322(isp))) {
957		/*
958		 * Older chips support both MSI and MSI-X, but I have
959		 * feeling that older firmware may not support MSI-X,
960		 * but we have no way to check the firmware flag here.
961		 */
962		pcs->msicount = imin(pci_msi_count(dev), 1);
963		if (pcs->msicount > 0 &&
964		    pci_alloc_msi(dev, &pcs->msicount) == 0) {
965			pcs->iqd = 1;
966		} else {
967			pcs->msicount = 0;
968		}
969	}
970	pcs->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &pcs->iqd, RF_ACTIVE | RF_SHAREABLE);
971	if (pcs->irq == NULL) {
972		device_printf(dev, "could not allocate interrupt\n");
973		goto bad;
974	}
975
976	/* Make sure the lock is set up. */
977	mtx_init(&isp->isp_osinfo.lock, "isp", NULL, MTX_DEF);
978	locksetup++;
979
980	if (isp_setup_intr(dev, pcs->irq, ISP_IFLAGS, NULL, isp_platform_intr, isp, &pcs->ih)) {
981		device_printf(dev, "could not setup interrupt\n");
982		goto bad;
983	}
984
985	/*
986	 * Last minute checks...
987	 */
988	if (IS_23XX(isp) || IS_24XX(isp)) {
989		isp->isp_port = pci_get_function(dev);
990	}
991
992	/*
993	 * Make sure we're in reset state.
994	 */
995	ISP_LOCK(isp);
996	if (isp_reinit(isp, 1) != 0) {
997		ISP_UNLOCK(isp);
998		goto bad;
999	}
1000	ISP_UNLOCK(isp);
1001	if (isp_attach(isp)) {
1002		ISP_LOCK(isp);
1003		isp_uninit(isp);
1004		ISP_UNLOCK(isp);
1005		goto bad;
1006	}
1007	return (0);
1008
1009bad:
1010	if (pcs->ih) {
1011		(void) bus_teardown_intr(dev, pcs->irq, pcs->ih);
1012	}
1013	if (locksetup) {
1014		mtx_destroy(&isp->isp_osinfo.lock);
1015	}
1016	if (pcs->irq) {
1017		(void) bus_release_resource(dev, SYS_RES_IRQ, pcs->iqd, pcs->irq);
1018	}
1019	if (pcs->msicount) {
1020		pci_release_msi(dev);
1021	}
1022	if (pcs->regs)
1023		(void) bus_release_resource(dev, pcs->rtp, pcs->rgd, pcs->regs);
1024	if (pcs->regs1)
1025		(void) bus_release_resource(dev, pcs->rtp1, pcs->rgd1, pcs->regs1);
1026	if (pcs->regs2)
1027		(void) bus_release_resource(dev, pcs->rtp2, pcs->rgd2, pcs->regs2);
1028	if (pcs->pci_isp.isp_param) {
1029		free(pcs->pci_isp.isp_param, M_DEVBUF);
1030		pcs->pci_isp.isp_param = NULL;
1031	}
1032	if (pcs->pci_isp.isp_osinfo.pc.ptr) {
1033		free(pcs->pci_isp.isp_osinfo.pc.ptr, M_DEVBUF);
1034		pcs->pci_isp.isp_osinfo.pc.ptr = NULL;
1035	}
1036	return (ENXIO);
1037}
1038
1039static int
1040isp_pci_detach(device_t dev)
1041{
1042	struct isp_pcisoftc *pcs;
1043	ispsoftc_t *isp;
1044	int status;
1045
1046	pcs = device_get_softc(dev);
1047	if (pcs == NULL) {
1048		return (ENXIO);
1049	}
1050	isp = (ispsoftc_t *) pcs;
1051	status = isp_detach(isp);
1052	if (status)
1053		return (status);
1054	ISP_LOCK(isp);
1055	isp_uninit(isp);
1056	if (pcs->ih) {
1057		(void) bus_teardown_intr(dev, pcs->irq, pcs->ih);
1058	}
1059	ISP_UNLOCK(isp);
1060	mtx_destroy(&isp->isp_osinfo.lock);
1061	(void) bus_release_resource(dev, SYS_RES_IRQ, pcs->iqd, pcs->irq);
1062	if (pcs->msicount) {
1063		pci_release_msi(dev);
1064	}
1065	(void) bus_release_resource(dev, pcs->rtp, pcs->rgd, pcs->regs);
1066	if (pcs->regs1)
1067		(void) bus_release_resource(dev, pcs->rtp1, pcs->rgd1, pcs->regs1);
1068	if (pcs->regs2)
1069		(void) bus_release_resource(dev, pcs->rtp2, pcs->rgd2, pcs->regs2);
1070	/*
1071	 * XXX: THERE IS A LOT OF LEAKAGE HERE
1072	 */
1073	if (pcs->pci_isp.isp_param) {
1074		free(pcs->pci_isp.isp_param, M_DEVBUF);
1075		pcs->pci_isp.isp_param = NULL;
1076	}
1077	if (pcs->pci_isp.isp_osinfo.pc.ptr) {
1078		free(pcs->pci_isp.isp_osinfo.pc.ptr, M_DEVBUF);
1079		pcs->pci_isp.isp_osinfo.pc.ptr = NULL;
1080	}
1081	return (0);
1082}
1083
1084#define	IspVirt2Off(a, x)	\
1085	(((struct isp_pcisoftc *)a)->pci_poff[((x) & _BLK_REG_MASK) >> \
1086	_BLK_REG_SHFT] + ((x) & 0xfff))
1087
1088#define	BXR2(isp, off)		bus_read_2((isp)->isp_regs, (off))
1089#define	BXW2(isp, off, v)	bus_write_2((isp)->isp_regs, (off), (v))
1090#define	BXR4(isp, off)		bus_read_4((isp)->isp_regs, (off))
1091#define	BXW4(isp, off, v)	bus_write_4((isp)->isp_regs, (off), (v))
1092#define	B2R4(isp, off)		bus_read_4((isp)->isp_regs2, (off))
1093#define	B2W4(isp, off, v)	bus_write_4((isp)->isp_regs2, (off), (v))
1094
1095static ISP_INLINE int
1096isp_pci_rd_debounced(ispsoftc_t *isp, int off, uint16_t *rp)
1097{
1098	uint32_t val0, val1;
1099	int i = 0;
1100
1101	do {
1102		val0 = BXR2(isp, IspVirt2Off(isp, off));
1103		val1 = BXR2(isp, IspVirt2Off(isp, off));
1104	} while (val0 != val1 && ++i < 1000);
1105	if (val0 != val1) {
1106		return (1);
1107	}
1108	*rp = val0;
1109	return (0);
1110}
1111
1112static int
1113isp_pci_rd_isr(ispsoftc_t *isp, uint16_t *isrp, uint16_t *semap, uint16_t *info)
1114{
1115	uint16_t isr, sema;
1116
1117	if (IS_2100(isp)) {
1118		if (isp_pci_rd_debounced(isp, BIU_ISR, &isr)) {
1119		    return (0);
1120		}
1121		if (isp_pci_rd_debounced(isp, BIU_SEMA, &sema)) {
1122		    return (0);
1123		}
1124	} else {
1125		isr = BXR2(isp, IspVirt2Off(isp, BIU_ISR));
1126		sema = BXR2(isp, IspVirt2Off(isp, BIU_SEMA));
1127	}
1128	isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema);
1129	isr &= INT_PENDING_MASK(isp);
1130	sema &= BIU_SEMA_LOCK;
1131	if (isr == 0 && sema == 0) {
1132		return (0);
1133	}
1134	*isrp = isr;
1135	if ((*semap = sema) != 0) {
1136		if (IS_2100(isp)) {
1137			if (isp_pci_rd_debounced(isp, OUTMAILBOX0, info)) {
1138				return (0);
1139			}
1140		} else {
1141			*info = BXR2(isp, IspVirt2Off(isp, OUTMAILBOX0));
1142		}
1143	}
1144	return (1);
1145}
1146
1147static int
1148isp_pci_rd_isr_2300(ispsoftc_t *isp, uint16_t *isrp, uint16_t *semap, uint16_t *info)
1149{
1150	uint32_t hccr, r2hisr;
1151
1152	if (!(BXR2(isp, IspVirt2Off(isp, BIU_ISR) & BIU2100_ISR_RISC_INT))) {
1153		*isrp = 0;
1154		return (0);
1155	}
1156	r2hisr = BXR4(isp, IspVirt2Off(isp, BIU_R2HSTSLO));
1157	isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr);
1158	if ((r2hisr & BIU_R2HST_INTR) == 0) {
1159		*isrp = 0;
1160		return (0);
1161	}
1162	switch ((*isrp = r2hisr & BIU_R2HST_ISTAT_MASK)) {
1163	case ISPR2HST_ROM_MBX_OK:
1164	case ISPR2HST_ROM_MBX_FAIL:
1165	case ISPR2HST_MBX_OK:
1166	case ISPR2HST_MBX_FAIL:
1167	case ISPR2HST_ASYNC_EVENT:
1168		*semap = 1;
1169		break;
1170	case ISPR2HST_RIO_16:
1171		*info = ASYNC_RIO16_1;
1172		*semap = 1;
1173		return (1);
1174	case ISPR2HST_FPOST:
1175		*info = ASYNC_CMD_CMPLT;
1176		*semap = 1;
1177		return (1);
1178	case ISPR2HST_FPOST_CTIO:
1179		*info = ASYNC_CTIO_DONE;
1180		*semap = 1;
1181		return (1);
1182	case ISPR2HST_RSPQ_UPDATE:
1183		*semap = 0;
1184		break;
1185	default:
1186		hccr = ISP_READ(isp, HCCR);
1187		if (hccr & HCCR_PAUSE) {
1188			ISP_WRITE(isp, HCCR, HCCR_RESET);
1189			isp_prt(isp, ISP_LOGERR, "RISC paused at interrupt (%x->%x)", hccr, ISP_READ(isp, HCCR));
1190			ISP_WRITE(isp, BIU_ICR, 0);
1191		} else {
1192			isp_prt(isp, ISP_LOGERR, "unknown interrupt 0x%x\n", r2hisr);
1193		}
1194		return (0);
1195	}
1196	*info = (r2hisr >> 16);
1197	return (1);
1198}
1199
1200static int
1201isp_pci_rd_isr_2400(ispsoftc_t *isp, uint16_t *isrp, uint16_t *semap, uint16_t *info)
1202{
1203	uint32_t r2hisr;
1204
1205	r2hisr = BXR4(isp, IspVirt2Off(isp, BIU2400_R2HSTSLO));
1206	isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr);
1207	if ((r2hisr & BIU_R2HST_INTR) == 0) {
1208		*isrp = 0;
1209		return (0);
1210	}
1211	switch ((*isrp = r2hisr & BIU_R2HST_ISTAT_MASK)) {
1212	case ISPR2HST_ROM_MBX_OK:
1213	case ISPR2HST_ROM_MBX_FAIL:
1214	case ISPR2HST_MBX_OK:
1215	case ISPR2HST_MBX_FAIL:
1216	case ISPR2HST_ASYNC_EVENT:
1217		*semap = 1;
1218		break;
1219	case ISPR2HST_RSPQ_UPDATE:
1220	case ISPR2HST_RSPQ_UPDATE2:
1221	case ISPR2HST_ATIO_UPDATE:
1222	case ISPR2HST_ATIO_RSPQ_UPDATE:
1223	case ISPR2HST_ATIO_UPDATE2:
1224		*semap = 0;
1225		break;
1226	default:
1227		ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT);
1228		isp_prt(isp, ISP_LOGERR, "unknown interrupt 0x%x\n", r2hisr);
1229		return (0);
1230	}
1231	*info = (r2hisr >> 16);
1232	return (1);
1233}
1234
1235static uint32_t
1236isp_pci_rd_reg(ispsoftc_t *isp, int regoff)
1237{
1238	uint16_t rv;
1239	int oldconf = 0;
1240
1241	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1242		/*
1243		 * We will assume that someone has paused the RISC processor.
1244		 */
1245		oldconf = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1246		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf | BIU_PCI_CONF1_SXP);
1247		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1248	}
1249	rv = BXR2(isp, IspVirt2Off(isp, regoff));
1250	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1251		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf);
1252		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1253	}
1254	return (rv);
1255}
1256
1257static void
1258isp_pci_wr_reg(ispsoftc_t *isp, int regoff, uint32_t val)
1259{
1260	int oldconf = 0;
1261
1262	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1263		/*
1264		 * We will assume that someone has paused the RISC processor.
1265		 */
1266		oldconf = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1267		BXW2(isp, IspVirt2Off(isp, BIU_CONF1),
1268		    oldconf | BIU_PCI_CONF1_SXP);
1269		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1270	}
1271	BXW2(isp, IspVirt2Off(isp, regoff), val);
1272	MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2, -1);
1273	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1274		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf);
1275		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1276	}
1277
1278}
1279
1280static uint32_t
1281isp_pci_rd_reg_1080(ispsoftc_t *isp, int regoff)
1282{
1283	uint32_t rv, oc = 0;
1284
1285	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1286		uint32_t tc;
1287		/*
1288		 * We will assume that someone has paused the RISC processor.
1289		 */
1290		oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1291		tc = oc & ~BIU_PCI1080_CONF1_DMA;
1292		if (regoff & SXP_BANK1_SELECT)
1293			tc |= BIU_PCI1080_CONF1_SXP1;
1294		else
1295			tc |= BIU_PCI1080_CONF1_SXP0;
1296		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), tc);
1297		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1298	} else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
1299		oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1300		BXW2(isp, IspVirt2Off(isp, BIU_CONF1),
1301		    oc | BIU_PCI1080_CONF1_DMA);
1302		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1303	}
1304	rv = BXR2(isp, IspVirt2Off(isp, regoff));
1305	if (oc) {
1306		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oc);
1307		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1308	}
1309	return (rv);
1310}
1311
1312static void
1313isp_pci_wr_reg_1080(ispsoftc_t *isp, int regoff, uint32_t val)
1314{
1315	int oc = 0;
1316
1317	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1318		uint32_t tc;
1319		/*
1320		 * We will assume that someone has paused the RISC processor.
1321		 */
1322		oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1323		tc = oc & ~BIU_PCI1080_CONF1_DMA;
1324		if (regoff & SXP_BANK1_SELECT)
1325			tc |= BIU_PCI1080_CONF1_SXP1;
1326		else
1327			tc |= BIU_PCI1080_CONF1_SXP0;
1328		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), tc);
1329		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1330	} else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
1331		oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1332		BXW2(isp, IspVirt2Off(isp, BIU_CONF1),
1333		    oc | BIU_PCI1080_CONF1_DMA);
1334		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1335	}
1336	BXW2(isp, IspVirt2Off(isp, regoff), val);
1337	MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2, -1);
1338	if (oc) {
1339		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oc);
1340		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1341	}
1342}
1343
1344static uint32_t
1345isp_pci_rd_reg_2400(ispsoftc_t *isp, int regoff)
1346{
1347	uint32_t rv;
1348	int block = regoff & _BLK_REG_MASK;
1349
1350	switch (block) {
1351	case BIU_BLOCK:
1352		break;
1353	case MBOX_BLOCK:
1354		return (BXR2(isp, IspVirt2Off(isp, regoff)));
1355	case SXP_BLOCK:
1356		isp_prt(isp, ISP_LOGERR, "SXP_BLOCK read at 0x%x", regoff);
1357		return (0xffffffff);
1358	case RISC_BLOCK:
1359		isp_prt(isp, ISP_LOGERR, "RISC_BLOCK read at 0x%x", regoff);
1360		return (0xffffffff);
1361	case DMA_BLOCK:
1362		isp_prt(isp, ISP_LOGERR, "DMA_BLOCK read at 0x%x", regoff);
1363		return (0xffffffff);
1364	default:
1365		isp_prt(isp, ISP_LOGERR, "unknown block read at 0x%x", regoff);
1366		return (0xffffffff);
1367	}
1368
1369	switch (regoff) {
1370	case BIU2400_FLASH_ADDR:
1371	case BIU2400_FLASH_DATA:
1372	case BIU2400_ICR:
1373	case BIU2400_ISR:
1374	case BIU2400_CSR:
1375	case BIU2400_REQINP:
1376	case BIU2400_REQOUTP:
1377	case BIU2400_RSPINP:
1378	case BIU2400_RSPOUTP:
1379	case BIU2400_PRI_REQINP:
1380	case BIU2400_PRI_REQOUTP:
1381	case BIU2400_ATIO_RSPINP:
1382	case BIU2400_ATIO_RSPOUTP:
1383	case BIU2400_HCCR:
1384	case BIU2400_GPIOD:
1385	case BIU2400_GPIOE:
1386	case BIU2400_HSEMA:
1387		rv = BXR4(isp, IspVirt2Off(isp, regoff));
1388		break;
1389	case BIU2400_R2HSTSLO:
1390		rv = BXR4(isp, IspVirt2Off(isp, regoff));
1391		break;
1392	case BIU2400_R2HSTSHI:
1393		rv = BXR4(isp, IspVirt2Off(isp, regoff)) >> 16;
1394		break;
1395	default:
1396		isp_prt(isp, ISP_LOGERR, "unknown register read at 0x%x",
1397		    regoff);
1398		rv = 0xffffffff;
1399		break;
1400	}
1401	return (rv);
1402}
1403
1404static void
1405isp_pci_wr_reg_2400(ispsoftc_t *isp, int regoff, uint32_t val)
1406{
1407	int block = regoff & _BLK_REG_MASK;
1408
1409	switch (block) {
1410	case BIU_BLOCK:
1411		break;
1412	case MBOX_BLOCK:
1413		BXW2(isp, IspVirt2Off(isp, regoff), val);
1414		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2, -1);
1415		return;
1416	case SXP_BLOCK:
1417		isp_prt(isp, ISP_LOGERR, "SXP_BLOCK write at 0x%x", regoff);
1418		return;
1419	case RISC_BLOCK:
1420		isp_prt(isp, ISP_LOGERR, "RISC_BLOCK write at 0x%x", regoff);
1421		return;
1422	case DMA_BLOCK:
1423		isp_prt(isp, ISP_LOGERR, "DMA_BLOCK write at 0x%x", regoff);
1424		return;
1425	default:
1426		isp_prt(isp, ISP_LOGERR, "unknown block write at 0x%x", regoff);
1427		break;
1428	}
1429
1430	switch (regoff) {
1431	case BIU2400_FLASH_ADDR:
1432	case BIU2400_FLASH_DATA:
1433	case BIU2400_ICR:
1434	case BIU2400_ISR:
1435	case BIU2400_CSR:
1436	case BIU2400_REQINP:
1437	case BIU2400_REQOUTP:
1438	case BIU2400_RSPINP:
1439	case BIU2400_RSPOUTP:
1440	case BIU2400_PRI_REQINP:
1441	case BIU2400_PRI_REQOUTP:
1442	case BIU2400_ATIO_RSPINP:
1443	case BIU2400_ATIO_RSPOUTP:
1444	case BIU2400_HCCR:
1445	case BIU2400_GPIOD:
1446	case BIU2400_GPIOE:
1447	case BIU2400_HSEMA:
1448		BXW4(isp, IspVirt2Off(isp, regoff), val);
1449#ifdef MEMORYBARRIERW
1450		if (regoff == BIU2400_REQINP ||
1451		    regoff == BIU2400_RSPOUTP ||
1452		    regoff == BIU2400_PRI_REQINP ||
1453		    regoff == BIU2400_ATIO_RSPOUTP)
1454			MEMORYBARRIERW(isp, SYNC_REG,
1455			    IspVirt2Off(isp, regoff), 4, -1)
1456		else
1457#endif
1458		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 4, -1);
1459		break;
1460	default:
1461		isp_prt(isp, ISP_LOGERR, "unknown register write at 0x%x",
1462		    regoff);
1463		break;
1464	}
1465}
1466
1467static uint32_t
1468isp_pci_rd_reg_2600(ispsoftc_t *isp, int regoff)
1469{
1470	uint32_t rv;
1471
1472	switch (regoff) {
1473	case BIU2400_PRI_REQINP:
1474	case BIU2400_PRI_REQOUTP:
1475		isp_prt(isp, ISP_LOGERR, "unknown register read at 0x%x",
1476		    regoff);
1477		rv = 0xffffffff;
1478		break;
1479	case BIU2400_REQINP:
1480		rv = B2R4(isp, 0x00);
1481		break;
1482	case BIU2400_REQOUTP:
1483		rv = B2R4(isp, 0x04);
1484		break;
1485	case BIU2400_RSPINP:
1486		rv = B2R4(isp, 0x08);
1487		break;
1488	case BIU2400_RSPOUTP:
1489		rv = B2R4(isp, 0x0c);
1490		break;
1491	case BIU2400_ATIO_RSPINP:
1492		rv = B2R4(isp, 0x10);
1493		break;
1494	case BIU2400_ATIO_RSPOUTP:
1495		rv = B2R4(isp, 0x14);
1496		break;
1497	default:
1498		rv = isp_pci_rd_reg_2400(isp, regoff);
1499		break;
1500	}
1501	return (rv);
1502}
1503
1504static void
1505isp_pci_wr_reg_2600(ispsoftc_t *isp, int regoff, uint32_t val)
1506{
1507	int off;
1508
1509	switch (regoff) {
1510	case BIU2400_PRI_REQINP:
1511	case BIU2400_PRI_REQOUTP:
1512		isp_prt(isp, ISP_LOGERR, "unknown register write at 0x%x",
1513		    regoff);
1514		return;
1515	case BIU2400_REQINP:
1516		off = 0x00;
1517		break;
1518	case BIU2400_REQOUTP:
1519		off = 0x04;
1520		break;
1521	case BIU2400_RSPINP:
1522		off = 0x08;
1523		break;
1524	case BIU2400_RSPOUTP:
1525		off = 0x0c;
1526		break;
1527	case BIU2400_ATIO_RSPINP:
1528		off = 0x10;
1529		break;
1530	case BIU2400_ATIO_RSPOUTP:
1531		off = 0x14;
1532		break;
1533	default:
1534		isp_pci_wr_reg_2400(isp, regoff, val);
1535		return;
1536	}
1537	B2W4(isp, off, val);
1538}
1539
1540
1541struct imush {
1542	bus_addr_t maddr;
1543	int error;
1544};
1545
1546static void
1547imc(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1548{
1549	struct imush *imushp = (struct imush *) arg;
1550
1551	if (!(imushp->error = error))
1552		imushp->maddr = segs[0].ds_addr;
1553}
1554
1555static int
1556isp_pci_mbxdma(ispsoftc_t *isp)
1557{
1558	caddr_t base;
1559	uint32_t len, nsegs;
1560	int i, error, cmap = 0;
1561	bus_size_t slim;	/* segment size */
1562	bus_addr_t llim;	/* low limit of unavailable dma */
1563	bus_addr_t hlim;	/* high limit of unavailable dma */
1564	struct imush im;
1565	isp_ecmd_t *ecmd;
1566
1567	/*
1568	 * Already been here? If so, leave...
1569	 */
1570	if (isp->isp_rquest) {
1571		return (0);
1572	}
1573	ISP_UNLOCK(isp);
1574
1575	if (isp->isp_maxcmds == 0) {
1576		isp_prt(isp, ISP_LOGERR, "maxcmds not set");
1577		ISP_LOCK(isp);
1578		return (1);
1579	}
1580
1581	hlim = BUS_SPACE_MAXADDR;
1582	if (IS_ULTRA2(isp) || IS_FC(isp) || IS_1240(isp)) {
1583		if (sizeof (bus_size_t) > 4) {
1584			slim = (bus_size_t) (1ULL << 32);
1585		} else {
1586			slim = (bus_size_t) (1UL << 31);
1587		}
1588		llim = BUS_SPACE_MAXADDR;
1589	} else {
1590		llim = BUS_SPACE_MAXADDR_32BIT;
1591		slim = (1UL << 24);
1592	}
1593
1594	len = isp->isp_maxcmds * sizeof (struct isp_pcmd);
1595	isp->isp_osinfo.pcmd_pool = (struct isp_pcmd *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
1596	if (isp->isp_osinfo.pcmd_pool == NULL) {
1597		isp_prt(isp, ISP_LOGERR, "cannot allocate pcmds");
1598		ISP_LOCK(isp);
1599		return (1);
1600	}
1601
1602	if (isp->isp_osinfo.sixtyfourbit) {
1603		nsegs = ISP_NSEG64_MAX;
1604	} else {
1605		nsegs = ISP_NSEG_MAX;
1606	}
1607
1608	if (isp_dma_tag_create(BUS_DMA_ROOTARG(ISP_PCD(isp)), 1, slim, llim, hlim, NULL, NULL, BUS_SPACE_MAXSIZE, nsegs, slim, 0, &isp->isp_osinfo.dmat)) {
1609		free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1610		ISP_LOCK(isp);
1611		isp_prt(isp, ISP_LOGERR, "could not create master dma tag");
1612		return (1);
1613	}
1614
1615	len = sizeof (isp_hdl_t) * isp->isp_maxcmds;
1616	isp->isp_xflist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
1617	if (isp->isp_xflist == NULL) {
1618		free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1619		ISP_LOCK(isp);
1620		isp_prt(isp, ISP_LOGERR, "cannot alloc xflist array");
1621		return (1);
1622	}
1623	for (len = 0; len < isp->isp_maxcmds - 1; len++) {
1624		isp->isp_xflist[len].cmd = &isp->isp_xflist[len+1];
1625	}
1626	isp->isp_xffree = isp->isp_xflist;
1627
1628	/*
1629	 * Allocate and map the request queue and a region for external
1630	 * DMA addressable command/status structures (22XX and later).
1631	 */
1632	len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
1633	if (isp->isp_type >= ISP_HA_FC_2200)
1634		len += (N_XCMDS * XCMD_SIZE);
1635	if (isp_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN, slim,
1636	    BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
1637	    len, 1, len, 0, &isp->isp_osinfo.reqdmat)) {
1638		isp_prt(isp, ISP_LOGERR, "cannot create request DMA tag");
1639		goto bad1;
1640	}
1641	if (bus_dmamem_alloc(isp->isp_osinfo.reqdmat, (void **)&base,
1642	    BUS_DMA_COHERENT, &isp->isp_osinfo.reqmap) != 0) {
1643		isp_prt(isp, ISP_LOGERR, "cannot allocate request DMA memory");
1644		bus_dma_tag_destroy(isp->isp_osinfo.reqdmat);
1645		goto bad1;
1646	}
1647	isp->isp_rquest = base;
1648	im.error = 0;
1649	if (bus_dmamap_load(isp->isp_osinfo.reqdmat, isp->isp_osinfo.reqmap,
1650	    base, len, imc, &im, 0) || im.error) {
1651		isp_prt(isp, ISP_LOGERR, "error loading request DMA map %d", im.error);
1652		goto bad1;
1653	}
1654	isp_prt(isp, ISP_LOGDEBUG0, "request area @ 0x%jx/0x%jx",
1655	    (uintmax_t)im.maddr, (uintmax_t)len);
1656	isp->isp_rquest_dma = im.maddr;
1657	base += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
1658	im.maddr += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
1659	if (isp->isp_type >= ISP_HA_FC_2200) {
1660		isp->isp_osinfo.ecmd_dma = im.maddr;
1661		isp->isp_osinfo.ecmd_free = (isp_ecmd_t *)base;
1662		isp->isp_osinfo.ecmd_base = isp->isp_osinfo.ecmd_free;
1663		for (ecmd = isp->isp_osinfo.ecmd_free;
1664		    ecmd < &isp->isp_osinfo.ecmd_free[N_XCMDS]; ecmd++) {
1665			if (ecmd == &isp->isp_osinfo.ecmd_free[N_XCMDS - 1])
1666				ecmd->next = NULL;
1667			else
1668				ecmd->next = ecmd + 1;
1669		}
1670	}
1671
1672	/*
1673	 * Allocate and map the result queue.
1674	 */
1675	len = ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
1676	if (isp_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN, slim,
1677	    BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
1678	    len, 1, len, 0, &isp->isp_osinfo.respdmat)) {
1679		isp_prt(isp, ISP_LOGERR, "cannot create response DMA tag");
1680		goto bad1;
1681	}
1682	if (bus_dmamem_alloc(isp->isp_osinfo.respdmat, (void **)&base,
1683	    BUS_DMA_COHERENT, &isp->isp_osinfo.respmap) != 0) {
1684		isp_prt(isp, ISP_LOGERR, "cannot allocate response DMA memory");
1685		bus_dma_tag_destroy(isp->isp_osinfo.respdmat);
1686		goto bad1;
1687	}
1688	isp->isp_result = base;
1689	im.error = 0;
1690	if (bus_dmamap_load(isp->isp_osinfo.respdmat, isp->isp_osinfo.respmap,
1691	    base, len, imc, &im, 0) || im.error) {
1692		isp_prt(isp, ISP_LOGERR, "error loading response DMA map %d", im.error);
1693		goto bad1;
1694	}
1695	isp_prt(isp, ISP_LOGDEBUG0, "response area @ 0x%jx/0x%jx",
1696	    (uintmax_t)im.maddr, (uintmax_t)len);
1697	isp->isp_result_dma = im.maddr;
1698
1699#ifdef	ISP_TARGET_MODE
1700	/*
1701	 * Allocate and map ATIO queue on 24xx with target mode.
1702	 */
1703	if (IS_24XX(isp)) {
1704		len = ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
1705		if (isp_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN, slim,
1706		    BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
1707		    len, 1, len, 0, &isp->isp_osinfo.atiodmat)) {
1708			isp_prt(isp, ISP_LOGERR, "cannot create ATIO DMA tag");
1709			goto bad1;
1710		}
1711		if (bus_dmamem_alloc(isp->isp_osinfo.atiodmat, (void **)&base,
1712		    BUS_DMA_COHERENT, &isp->isp_osinfo.atiomap) != 0) {
1713			isp_prt(isp, ISP_LOGERR, "cannot allocate ATIO DMA memory");
1714			bus_dma_tag_destroy(isp->isp_osinfo.atiodmat);
1715			goto bad1;
1716		}
1717		isp->isp_atioq = base;
1718		im.error = 0;
1719		if (bus_dmamap_load(isp->isp_osinfo.atiodmat, isp->isp_osinfo.atiomap,
1720		    base, len, imc, &im, 0) || im.error) {
1721			isp_prt(isp, ISP_LOGERR, "error loading ATIO DMA map %d", im.error);
1722			goto bad;
1723		}
1724		isp_prt(isp, ISP_LOGDEBUG0, "ATIO area @ 0x%jx/0x%jx",
1725		    (uintmax_t)im.maddr, (uintmax_t)len);
1726		isp->isp_atioq_dma = im.maddr;
1727	}
1728#endif
1729
1730	if (IS_FC(isp)) {
1731		if (isp_dma_tag_create(isp->isp_osinfo.dmat, 64, slim,
1732		    BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL,
1733		    ISP_FC_SCRLEN, 1, ISP_FC_SCRLEN, 0, &isp->isp_osinfo.scdmat)) {
1734			goto bad;
1735		}
1736		for (cmap = 0; cmap < isp->isp_nchan; cmap++) {
1737			struct isp_fc *fc = ISP_FC_PC(isp, cmap);
1738			if (bus_dmamem_alloc(isp->isp_osinfo.scdmat,
1739			    (void **)&base, BUS_DMA_COHERENT, &fc->scmap) != 0)
1740				goto bad;
1741			FCPARAM(isp, cmap)->isp_scratch = base;
1742			im.error = 0;
1743			if (bus_dmamap_load(isp->isp_osinfo.scdmat, fc->scmap,
1744			    base, ISP_FC_SCRLEN, imc, &im, 0) || im.error) {
1745				bus_dmamem_free(isp->isp_osinfo.scdmat,
1746				    base, fc->scmap);
1747				goto bad;
1748			}
1749			FCPARAM(isp, cmap)->isp_scdma = im.maddr;
1750			if (!IS_2100(isp)) {
1751				for (i = 0; i < INITIAL_NEXUS_COUNT; i++) {
1752					struct isp_nexus *n = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_NOWAIT | M_ZERO);
1753					if (n == NULL) {
1754						while (fc->nexus_free_list) {
1755							n = fc->nexus_free_list;
1756							fc->nexus_free_list = n->next;
1757							free(n, M_DEVBUF);
1758						}
1759						goto bad;
1760					}
1761					n->next = fc->nexus_free_list;
1762					fc->nexus_free_list = n;
1763				}
1764			}
1765		}
1766	}
1767
1768	for (i = 0; i < isp->isp_maxcmds; i++) {
1769		struct isp_pcmd *pcmd = &isp->isp_osinfo.pcmd_pool[i];
1770		error = bus_dmamap_create(isp->isp_osinfo.dmat, 0, &pcmd->dmap);
1771		if (error) {
1772			isp_prt(isp, ISP_LOGERR, "error %d creating per-cmd DMA maps", error);
1773			while (--i >= 0) {
1774				bus_dmamap_destroy(isp->isp_osinfo.dmat, isp->isp_osinfo.pcmd_pool[i].dmap);
1775			}
1776			goto bad;
1777		}
1778		callout_init_mtx(&pcmd->wdog, &isp->isp_osinfo.lock, 0);
1779		if (i == isp->isp_maxcmds-1) {
1780			pcmd->next = NULL;
1781		} else {
1782			pcmd->next = &isp->isp_osinfo.pcmd_pool[i+1];
1783		}
1784	}
1785	isp->isp_osinfo.pcmd_free = &isp->isp_osinfo.pcmd_pool[0];
1786	ISP_LOCK(isp);
1787	return (0);
1788
1789bad:
1790	if (IS_FC(isp)) {
1791		while (--cmap >= 0) {
1792			struct isp_fc *fc = ISP_FC_PC(isp, cmap);
1793			bus_dmamap_unload(isp->isp_osinfo.scdmat, fc->scmap);
1794			bus_dmamem_free(isp->isp_osinfo.scdmat, base, fc->scmap);
1795			while (fc->nexus_free_list) {
1796				struct isp_nexus *n = fc->nexus_free_list;
1797				fc->nexus_free_list = n->next;
1798				free(n, M_DEVBUF);
1799			}
1800		}
1801		bus_dma_tag_destroy(isp->isp_osinfo.scdmat);
1802	}
1803bad1:
1804	if (isp->isp_rquest_dma != 0) {
1805		bus_dmamap_unload(isp->isp_osinfo.reqdmat,
1806		    isp->isp_osinfo.reqmap);
1807	}
1808	if (isp->isp_rquest != NULL) {
1809		bus_dmamem_free(isp->isp_osinfo.reqdmat, isp->isp_rquest,
1810		    isp->isp_osinfo.reqmap);
1811		bus_dma_tag_destroy(isp->isp_osinfo.reqdmat);
1812	}
1813	if (isp->isp_result_dma != 0) {
1814		bus_dmamap_unload(isp->isp_osinfo.respdmat,
1815		    isp->isp_osinfo.respmap);
1816	}
1817	if (isp->isp_result != NULL) {
1818		bus_dmamem_free(isp->isp_osinfo.respdmat, isp->isp_result,
1819		    isp->isp_osinfo.respmap);
1820		bus_dma_tag_destroy(isp->isp_osinfo.respdmat);
1821	}
1822#ifdef	ISP_TARGET_MODE
1823	if (IS_24XX(isp)) {
1824		if (isp->isp_atioq_dma != 0) {
1825			bus_dmamap_unload(isp->isp_osinfo.atiodmat,
1826			    isp->isp_osinfo.atiomap);
1827		}
1828		if (isp->isp_atioq != NULL) {
1829			bus_dmamem_free(isp->isp_osinfo.reqdmat, isp->isp_atioq,
1830			    isp->isp_osinfo.atiomap);
1831			bus_dma_tag_destroy(isp->isp_osinfo.atiodmat);
1832		}
1833	}
1834#endif
1835	free(isp->isp_xflist, M_DEVBUF);
1836	free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1837	isp->isp_rquest = NULL;
1838	ISP_LOCK(isp);
1839	return (1);
1840}
1841
1842typedef struct {
1843	ispsoftc_t *isp;
1844	void *cmd_token;
1845	void *rq;	/* original request */
1846	int error;
1847	bus_size_t mapsize;
1848} mush_t;
1849
1850#define	MUSHERR_NOQENTRIES	-2
1851
1852#ifdef	ISP_TARGET_MODE
1853static void tdma2_2(void *, bus_dma_segment_t *, int, bus_size_t, int);
1854static void tdma2(void *, bus_dma_segment_t *, int, int);
1855
1856static void
1857tdma2_2(void *arg, bus_dma_segment_t *dm_segs, int nseg, bus_size_t mapsize, int error)
1858{
1859	mush_t *mp;
1860	mp = (mush_t *)arg;
1861	mp->mapsize = mapsize;
1862	tdma2(arg, dm_segs, nseg, error);
1863}
1864
1865static void
1866tdma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1867{
1868	mush_t *mp;
1869	ispsoftc_t *isp;
1870	struct ccb_scsiio *csio;
1871	isp_ddir_t ddir;
1872	ispreq_t *rq;
1873
1874	mp = (mush_t *) arg;
1875	if (error) {
1876		mp->error = error;
1877		return;
1878	}
1879	csio = mp->cmd_token;
1880	isp = mp->isp;
1881	rq = mp->rq;
1882	if (nseg) {
1883		if (isp->isp_osinfo.sixtyfourbit) {
1884			if (nseg >= ISP_NSEG64_MAX) {
1885				isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG64_MAX);
1886				mp->error = EFAULT;
1887				return;
1888			}
1889			if (rq->req_header.rqs_entry_type == RQSTYPE_CTIO2) {
1890				rq->req_header.rqs_entry_type = RQSTYPE_CTIO3;
1891			}
1892		} else {
1893			if (nseg >= ISP_NSEG_MAX) {
1894				isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG_MAX);
1895				mp->error = EFAULT;
1896				return;
1897			}
1898		}
1899		if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1900			bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREWRITE);
1901			ddir = ISP_TO_DEVICE;
1902		} else if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
1903			bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREREAD);
1904			ddir = ISP_FROM_DEVICE;
1905		} else {
1906			dm_segs = NULL;
1907			nseg = 0;
1908			ddir = ISP_NOXFR;
1909		}
1910	} else {
1911		dm_segs = NULL;
1912		nseg = 0;
1913		ddir = ISP_NOXFR;
1914	}
1915
1916	error = isp_send_tgt_cmd(isp, rq, dm_segs, nseg, XS_XFRLEN(csio), ddir, &csio->sense_data, csio->sense_len);
1917	switch (error) {
1918	case CMD_EAGAIN:
1919		mp->error = MUSHERR_NOQENTRIES;
1920	case CMD_QUEUED:
1921		break;
1922	default:
1923		mp->error = EIO;
1924	}
1925}
1926#endif
1927
1928static void dma2_2(void *, bus_dma_segment_t *, int, bus_size_t, int);
1929static void dma2(void *, bus_dma_segment_t *, int, int);
1930
1931static void
1932dma2_2(void *arg, bus_dma_segment_t *dm_segs, int nseg, bus_size_t mapsize, int error)
1933{
1934	mush_t *mp;
1935	mp = (mush_t *)arg;
1936	mp->mapsize = mapsize;
1937	dma2(arg, dm_segs, nseg, error);
1938}
1939
1940static void
1941dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1942{
1943	mush_t *mp;
1944	ispsoftc_t *isp;
1945	struct ccb_scsiio *csio;
1946	isp_ddir_t ddir;
1947	ispreq_t *rq;
1948
1949	mp = (mush_t *) arg;
1950	if (error) {
1951		mp->error = error;
1952		return;
1953	}
1954	csio = mp->cmd_token;
1955	isp = mp->isp;
1956	rq = mp->rq;
1957	if (nseg) {
1958		if (isp->isp_osinfo.sixtyfourbit) {
1959			if (nseg >= ISP_NSEG64_MAX) {
1960				isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG64_MAX);
1961				mp->error = EFAULT;
1962				return;
1963			}
1964			if (rq->req_header.rqs_entry_type == RQSTYPE_T2RQS) {
1965				rq->req_header.rqs_entry_type = RQSTYPE_T3RQS;
1966			} else if (rq->req_header.rqs_entry_type == RQSTYPE_REQUEST) {
1967				rq->req_header.rqs_entry_type = RQSTYPE_A64;
1968			}
1969		} else {
1970			if (nseg >= ISP_NSEG_MAX) {
1971				isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG_MAX);
1972				mp->error = EFAULT;
1973				return;
1974			}
1975		}
1976		if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1977			bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREREAD);
1978			ddir = ISP_FROM_DEVICE;
1979		} else if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
1980			bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREWRITE);
1981			ddir = ISP_TO_DEVICE;
1982		} else {
1983			ddir = ISP_NOXFR;
1984		}
1985	} else {
1986		dm_segs = NULL;
1987		nseg = 0;
1988		ddir = ISP_NOXFR;
1989	}
1990
1991	error = isp_send_cmd(isp, rq, dm_segs, nseg, XS_XFRLEN(csio), ddir, (ispds64_t *)csio->req_map);
1992	switch (error) {
1993	case CMD_EAGAIN:
1994		mp->error = MUSHERR_NOQENTRIES;
1995		break;
1996	case CMD_QUEUED:
1997		break;
1998	default:
1999		mp->error = EIO;
2000		break;
2001	}
2002}
2003
2004static int
2005isp_pci_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *ff)
2006{
2007	mush_t mush, *mp;
2008	void (*eptr)(void *, bus_dma_segment_t *, int, int);
2009	void (*eptr2)(void *, bus_dma_segment_t *, int, bus_size_t, int);
2010	int error;
2011
2012	mp = &mush;
2013	mp->isp = isp;
2014	mp->cmd_token = csio;
2015	mp->rq = ff;
2016	mp->error = 0;
2017	mp->mapsize = 0;
2018
2019#ifdef	ISP_TARGET_MODE
2020	if (csio->ccb_h.func_code == XPT_CONT_TARGET_IO) {
2021		eptr = tdma2;
2022		eptr2 = tdma2_2;
2023	} else
2024#endif
2025	{
2026		eptr = dma2;
2027		eptr2 = dma2_2;
2028	}
2029
2030
2031	error = bus_dmamap_load_ccb(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap,
2032	    (union ccb *)csio, eptr, mp, 0);
2033	if (error == EINPROGRESS) {
2034		bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
2035		mp->error = EINVAL;
2036		isp_prt(isp, ISP_LOGERR, "deferred dma allocation not supported");
2037	} else if (error && mp->error == 0) {
2038#ifdef	DIAGNOSTIC
2039		isp_prt(isp, ISP_LOGERR, "error %d in dma mapping code", error);
2040#endif
2041		mp->error = error;
2042	}
2043	if (mp->error) {
2044		int retval = CMD_COMPLETE;
2045		if (mp->error == MUSHERR_NOQENTRIES) {
2046			retval = CMD_EAGAIN;
2047		} else if (mp->error == EFBIG) {
2048			csio->ccb_h.status = CAM_REQ_TOO_BIG;
2049		} else if (mp->error == EINVAL) {
2050			csio->ccb_h.status = CAM_REQ_INVALID;
2051		} else {
2052			csio->ccb_h.status = CAM_UNREC_HBA_ERROR;
2053		}
2054		return (retval);
2055	}
2056	return (CMD_QUEUED);
2057}
2058
2059static void
2060isp_pci_reset0(ispsoftc_t *isp)
2061{
2062	ISP_DISABLE_INTS(isp);
2063}
2064
2065static void
2066isp_pci_reset1(ispsoftc_t *isp)
2067{
2068	if (!IS_24XX(isp)) {
2069		/* Make sure the BIOS is disabled */
2070		isp_pci_wr_reg(isp, HCCR, PCI_HCCR_CMD_BIOS);
2071	}
2072	/* and enable interrupts */
2073	ISP_ENABLE_INTS(isp);
2074}
2075
2076static void
2077isp_pci_dumpregs(ispsoftc_t *isp, const char *msg)
2078{
2079	struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
2080	if (msg)
2081		printf("%s: %s\n", device_get_nameunit(isp->isp_dev), msg);
2082	else
2083		printf("%s:\n", device_get_nameunit(isp->isp_dev));
2084	if (IS_SCSI(isp))
2085		printf("    biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
2086	else
2087		printf("    biu_csr=%x", ISP_READ(isp, BIU2100_CSR));
2088	printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
2089	    ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
2090	printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
2091
2092
2093	if (IS_SCSI(isp)) {
2094		ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
2095		printf("    cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
2096			ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
2097			ISP_READ(isp, CDMA_FIFO_STS));
2098		printf("    ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
2099			ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
2100			ISP_READ(isp, DDMA_FIFO_STS));
2101		printf("    sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
2102			ISP_READ(isp, SXP_INTERRUPT),
2103			ISP_READ(isp, SXP_GROSS_ERR),
2104			ISP_READ(isp, SXP_PINS_CTRL));
2105		ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
2106	}
2107	printf("    mbox regs: %x %x %x %x %x\n",
2108	    ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
2109	    ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
2110	    ISP_READ(isp, OUTMAILBOX4));
2111	printf("    PCI Status Command/Status=%x\n",
2112	    pci_read_config(pcs->pci_dev, PCIR_COMMAND, 1));
2113}
2114