1/*-
2 * Copyright (c) 1997-2008 by Matthew Jacob
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice immediately at the beginning of the file, without modification,
10 *    this list of conditions, and the following disclaimer.
11 * 2. The name of the author may not be used to endorse or promote products
12 *    derived from this software without specific prior written permission.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26/*
27 * PCI specific probe and attach routines for Qlogic ISP SCSI adapters.
28 * FreeBSD Version.
29 */
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD$");
32
33#include <sys/param.h>
34#include <sys/systm.h>
35#include <sys/kernel.h>
36#include <sys/module.h>
37#include <sys/linker.h>
38#include <sys/firmware.h>
39#include <sys/bus.h>
40#include <sys/stdint.h>
41#include <dev/pci/pcireg.h>
42#include <dev/pci/pcivar.h>
43#include <machine/bus.h>
44#include <machine/resource.h>
45#include <sys/rman.h>
46#include <sys/malloc.h>
47#include <sys/uio.h>
48
49#ifdef __sparc64__
50#include <dev/ofw/openfirm.h>
51#include <machine/ofw_machdep.h>
52#endif
53
54#include <dev/isp/isp_freebsd.h>
55
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 int isp_pci_rd_isr(ispsoftc_t *, uint32_t *, uint16_t *, uint16_t *);
63static int isp_pci_rd_isr_2300(ispsoftc_t *, uint32_t *, uint16_t *, uint16_t *);
64static int isp_pci_rd_isr_2400(ispsoftc_t *, uint32_t *, uint16_t *, uint16_t *);
65static int isp_pci_mbxdma(ispsoftc_t *);
66static int isp_pci_dmasetup(ispsoftc_t *, XS_T *, void *);
67
68
69static void isp_pci_reset0(ispsoftc_t *);
70static void isp_pci_reset1(ispsoftc_t *);
71static void isp_pci_dumpregs(ispsoftc_t *, const char *);
72
73static struct ispmdvec mdvec = {
74	isp_pci_rd_isr,
75	isp_pci_rd_reg,
76	isp_pci_wr_reg,
77	isp_pci_mbxdma,
78	isp_pci_dmasetup,
79	isp_common_dmateardown,
80	isp_pci_reset0,
81	isp_pci_reset1,
82	isp_pci_dumpregs,
83	NULL,
84	BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
85};
86
87static struct ispmdvec mdvec_1080 = {
88	isp_pci_rd_isr,
89	isp_pci_rd_reg_1080,
90	isp_pci_wr_reg_1080,
91	isp_pci_mbxdma,
92	isp_pci_dmasetup,
93	isp_common_dmateardown,
94	isp_pci_reset0,
95	isp_pci_reset1,
96	isp_pci_dumpregs,
97	NULL,
98	BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
99};
100
101static struct ispmdvec mdvec_12160 = {
102	isp_pci_rd_isr,
103	isp_pci_rd_reg_1080,
104	isp_pci_wr_reg_1080,
105	isp_pci_mbxdma,
106	isp_pci_dmasetup,
107	isp_common_dmateardown,
108	isp_pci_reset0,
109	isp_pci_reset1,
110	isp_pci_dumpregs,
111	NULL,
112	BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
113};
114
115static struct ispmdvec mdvec_2100 = {
116	isp_pci_rd_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_reset0,
123	isp_pci_reset1,
124	isp_pci_dumpregs
125};
126
127static struct ispmdvec mdvec_2200 = {
128	isp_pci_rd_isr,
129	isp_pci_rd_reg,
130	isp_pci_wr_reg,
131	isp_pci_mbxdma,
132	isp_pci_dmasetup,
133	isp_common_dmateardown,
134	isp_pci_reset0,
135	isp_pci_reset1,
136	isp_pci_dumpregs
137};
138
139static struct ispmdvec mdvec_2300 = {
140	isp_pci_rd_isr_2300,
141	isp_pci_rd_reg,
142	isp_pci_wr_reg,
143	isp_pci_mbxdma,
144	isp_pci_dmasetup,
145	isp_common_dmateardown,
146	isp_pci_reset0,
147	isp_pci_reset1,
148	isp_pci_dumpregs
149};
150
151static struct ispmdvec mdvec_2400 = {
152	isp_pci_rd_isr_2400,
153	isp_pci_rd_reg_2400,
154	isp_pci_wr_reg_2400,
155	isp_pci_mbxdma,
156	isp_pci_dmasetup,
157	isp_common_dmateardown,
158	isp_pci_reset0,
159	isp_pci_reset1,
160	NULL
161};
162
163static struct ispmdvec mdvec_2500 = {
164	isp_pci_rd_isr_2400,
165	isp_pci_rd_reg_2400,
166	isp_pci_wr_reg_2400,
167	isp_pci_mbxdma,
168	isp_pci_dmasetup,
169	isp_common_dmateardown,
170	isp_pci_reset0,
171	isp_pci_reset1,
172	NULL
173};
174
175#ifndef	PCIM_CMD_INVEN
176#define	PCIM_CMD_INVEN			0x10
177#endif
178#ifndef	PCIM_CMD_BUSMASTEREN
179#define	PCIM_CMD_BUSMASTEREN		0x0004
180#endif
181#ifndef	PCIM_CMD_PERRESPEN
182#define	PCIM_CMD_PERRESPEN		0x0040
183#endif
184#ifndef	PCIM_CMD_SEREN
185#define	PCIM_CMD_SEREN			0x0100
186#endif
187#ifndef	PCIM_CMD_INTX_DISABLE
188#define	PCIM_CMD_INTX_DISABLE		0x0400
189#endif
190
191#ifndef	PCIR_COMMAND
192#define	PCIR_COMMAND			0x04
193#endif
194
195#ifndef	PCIR_CACHELNSZ
196#define	PCIR_CACHELNSZ			0x0c
197#endif
198
199#ifndef	PCIR_LATTIMER
200#define	PCIR_LATTIMER			0x0d
201#endif
202
203#ifndef	PCIR_ROMADDR
204#define	PCIR_ROMADDR			0x30
205#endif
206
207#ifndef	PCI_VENDOR_QLOGIC
208#define	PCI_VENDOR_QLOGIC		0x1077
209#endif
210
211#ifndef	PCI_PRODUCT_QLOGIC_ISP1020
212#define	PCI_PRODUCT_QLOGIC_ISP1020	0x1020
213#endif
214
215#ifndef	PCI_PRODUCT_QLOGIC_ISP1080
216#define	PCI_PRODUCT_QLOGIC_ISP1080	0x1080
217#endif
218
219#ifndef	PCI_PRODUCT_QLOGIC_ISP10160
220#define	PCI_PRODUCT_QLOGIC_ISP10160	0x1016
221#endif
222
223#ifndef	PCI_PRODUCT_QLOGIC_ISP12160
224#define	PCI_PRODUCT_QLOGIC_ISP12160	0x1216
225#endif
226
227#ifndef	PCI_PRODUCT_QLOGIC_ISP1240
228#define	PCI_PRODUCT_QLOGIC_ISP1240	0x1240
229#endif
230
231#ifndef	PCI_PRODUCT_QLOGIC_ISP1280
232#define	PCI_PRODUCT_QLOGIC_ISP1280	0x1280
233#endif
234
235#ifndef	PCI_PRODUCT_QLOGIC_ISP2100
236#define	PCI_PRODUCT_QLOGIC_ISP2100	0x2100
237#endif
238
239#ifndef	PCI_PRODUCT_QLOGIC_ISP2200
240#define	PCI_PRODUCT_QLOGIC_ISP2200	0x2200
241#endif
242
243#ifndef	PCI_PRODUCT_QLOGIC_ISP2300
244#define	PCI_PRODUCT_QLOGIC_ISP2300	0x2300
245#endif
246
247#ifndef	PCI_PRODUCT_QLOGIC_ISP2312
248#define	PCI_PRODUCT_QLOGIC_ISP2312	0x2312
249#endif
250
251#ifndef	PCI_PRODUCT_QLOGIC_ISP2322
252#define	PCI_PRODUCT_QLOGIC_ISP2322	0x2322
253#endif
254
255#ifndef	PCI_PRODUCT_QLOGIC_ISP2422
256#define	PCI_PRODUCT_QLOGIC_ISP2422	0x2422
257#endif
258
259#ifndef	PCI_PRODUCT_QLOGIC_ISP2432
260#define	PCI_PRODUCT_QLOGIC_ISP2432	0x2432
261#endif
262
263#ifndef	PCI_PRODUCT_QLOGIC_ISP2532
264#define	PCI_PRODUCT_QLOGIC_ISP2532	0x2532
265#endif
266
267#ifndef	PCI_PRODUCT_QLOGIC_ISP6312
268#define	PCI_PRODUCT_QLOGIC_ISP6312	0x6312
269#endif
270
271#ifndef	PCI_PRODUCT_QLOGIC_ISP6322
272#define	PCI_PRODUCT_QLOGIC_ISP6322	0x6322
273#endif
274
275#ifndef        PCI_PRODUCT_QLOGIC_ISP5432
276#define        PCI_PRODUCT_QLOGIC_ISP5432      0x5432
277#endif
278
279#define        PCI_QLOGIC_ISP5432      \
280       ((PCI_PRODUCT_QLOGIC_ISP5432 << 16) | PCI_VENDOR_QLOGIC)
281
282#define	PCI_QLOGIC_ISP1020	\
283	((PCI_PRODUCT_QLOGIC_ISP1020 << 16) | PCI_VENDOR_QLOGIC)
284
285#define	PCI_QLOGIC_ISP1080	\
286	((PCI_PRODUCT_QLOGIC_ISP1080 << 16) | PCI_VENDOR_QLOGIC)
287
288#define	PCI_QLOGIC_ISP10160	\
289	((PCI_PRODUCT_QLOGIC_ISP10160 << 16) | PCI_VENDOR_QLOGIC)
290
291#define	PCI_QLOGIC_ISP12160	\
292	((PCI_PRODUCT_QLOGIC_ISP12160 << 16) | PCI_VENDOR_QLOGIC)
293
294#define	PCI_QLOGIC_ISP1240	\
295	((PCI_PRODUCT_QLOGIC_ISP1240 << 16) | PCI_VENDOR_QLOGIC)
296
297#define	PCI_QLOGIC_ISP1280	\
298	((PCI_PRODUCT_QLOGIC_ISP1280 << 16) | PCI_VENDOR_QLOGIC)
299
300#define	PCI_QLOGIC_ISP2100	\
301	((PCI_PRODUCT_QLOGIC_ISP2100 << 16) | PCI_VENDOR_QLOGIC)
302
303#define	PCI_QLOGIC_ISP2200	\
304	((PCI_PRODUCT_QLOGIC_ISP2200 << 16) | PCI_VENDOR_QLOGIC)
305
306#define	PCI_QLOGIC_ISP2300	\
307	((PCI_PRODUCT_QLOGIC_ISP2300 << 16) | PCI_VENDOR_QLOGIC)
308
309#define	PCI_QLOGIC_ISP2312	\
310	((PCI_PRODUCT_QLOGIC_ISP2312 << 16) | PCI_VENDOR_QLOGIC)
311
312#define	PCI_QLOGIC_ISP2322	\
313	((PCI_PRODUCT_QLOGIC_ISP2322 << 16) | PCI_VENDOR_QLOGIC)
314
315#define	PCI_QLOGIC_ISP2422	\
316	((PCI_PRODUCT_QLOGIC_ISP2422 << 16) | PCI_VENDOR_QLOGIC)
317
318#define	PCI_QLOGIC_ISP2432	\
319	((PCI_PRODUCT_QLOGIC_ISP2432 << 16) | PCI_VENDOR_QLOGIC)
320
321#define	PCI_QLOGIC_ISP2532	\
322	((PCI_PRODUCT_QLOGIC_ISP2532 << 16) | PCI_VENDOR_QLOGIC)
323
324#define	PCI_QLOGIC_ISP6312	\
325	((PCI_PRODUCT_QLOGIC_ISP6312 << 16) | PCI_VENDOR_QLOGIC)
326
327#define	PCI_QLOGIC_ISP6322	\
328	((PCI_PRODUCT_QLOGIC_ISP6322 << 16) | PCI_VENDOR_QLOGIC)
329
330/*
331 * Odd case for some AMI raid cards... We need to *not* attach to this.
332 */
333#define	AMI_RAID_SUBVENDOR_ID	0x101e
334
335#define	IO_MAP_REG	0x10
336#define	MEM_MAP_REG	0x14
337
338#define	PCI_DFLT_LTNCY	0x40
339#define	PCI_DFLT_LNSZ	0x10
340
341static int isp_pci_probe (device_t);
342static int isp_pci_attach (device_t);
343static int isp_pci_detach (device_t);
344
345
346#define	ISP_PCD(isp)	((struct isp_pcisoftc *)isp)->pci_dev
347struct isp_pcisoftc {
348	ispsoftc_t			pci_isp;
349	device_t			pci_dev;
350	struct resource *		regs;
351	void *				irq;
352	int				iqd;
353	int				rtp;
354	int				rgd;
355	void *				ih;
356	int16_t				pci_poff[_NREG_BLKS];
357	bus_dma_tag_t			dmat;
358	int				msicount;
359};
360
361
362static device_method_t isp_pci_methods[] = {
363	/* Device interface */
364	DEVMETHOD(device_probe,		isp_pci_probe),
365	DEVMETHOD(device_attach,	isp_pci_attach),
366	DEVMETHOD(device_detach,	isp_pci_detach),
367	{ 0, 0 }
368};
369
370static driver_t isp_pci_driver = {
371	"isp", isp_pci_methods, sizeof (struct isp_pcisoftc)
372};
373static devclass_t isp_devclass;
374DRIVER_MODULE(isp, pci, isp_pci_driver, isp_devclass, 0, 0);
375MODULE_DEPEND(isp, cam, 1, 1, 1);
376MODULE_DEPEND(isp, firmware, 1, 1, 1);
377static int isp_nvports = 0;
378
379static int
380isp_pci_probe(device_t dev)
381{
382	switch ((pci_get_device(dev) << 16) | (pci_get_vendor(dev))) {
383	case PCI_QLOGIC_ISP1020:
384		device_set_desc(dev, "Qlogic ISP 1020/1040 PCI SCSI Adapter");
385		break;
386	case PCI_QLOGIC_ISP1080:
387		device_set_desc(dev, "Qlogic ISP 1080 PCI SCSI Adapter");
388		break;
389	case PCI_QLOGIC_ISP1240:
390		device_set_desc(dev, "Qlogic ISP 1240 PCI SCSI Adapter");
391		break;
392	case PCI_QLOGIC_ISP1280:
393		device_set_desc(dev, "Qlogic ISP 1280 PCI SCSI Adapter");
394		break;
395	case PCI_QLOGIC_ISP10160:
396		device_set_desc(dev, "Qlogic ISP 10160 PCI SCSI Adapter");
397		break;
398	case PCI_QLOGIC_ISP12160:
399		if (pci_get_subvendor(dev) == AMI_RAID_SUBVENDOR_ID) {
400			return (ENXIO);
401		}
402		device_set_desc(dev, "Qlogic ISP 12160 PCI SCSI Adapter");
403		break;
404	case PCI_QLOGIC_ISP2100:
405		device_set_desc(dev, "Qlogic ISP 2100 PCI FC-AL Adapter");
406		break;
407	case PCI_QLOGIC_ISP2200:
408		device_set_desc(dev, "Qlogic ISP 2200 PCI FC-AL Adapter");
409		break;
410	case PCI_QLOGIC_ISP2300:
411		device_set_desc(dev, "Qlogic ISP 2300 PCI FC-AL Adapter");
412		break;
413	case PCI_QLOGIC_ISP2312:
414		device_set_desc(dev, "Qlogic ISP 2312 PCI FC-AL Adapter");
415		break;
416	case PCI_QLOGIC_ISP2322:
417		device_set_desc(dev, "Qlogic ISP 2322 PCI FC-AL Adapter");
418		break;
419	case PCI_QLOGIC_ISP2422:
420		device_set_desc(dev, "Qlogic ISP 2422 PCI FC-AL Adapter");
421		break;
422	case PCI_QLOGIC_ISP2432:
423		device_set_desc(dev, "Qlogic ISP 2432 PCI FC-AL Adapter");
424		break;
425	case PCI_QLOGIC_ISP2532:
426		device_set_desc(dev, "Qlogic ISP 2532 PCI FC-AL Adapter");
427		break;
428	case PCI_QLOGIC_ISP5432:
429		device_set_desc(dev, "Qlogic ISP 5432 PCI FC-AL Adapter");
430		break;
431	case PCI_QLOGIC_ISP6312:
432		device_set_desc(dev, "Qlogic ISP 6312 PCI FC-AL Adapter");
433		break;
434	case PCI_QLOGIC_ISP6322:
435		device_set_desc(dev, "Qlogic ISP 6322 PCI FC-AL Adapter");
436		break;
437	default:
438		return (ENXIO);
439	}
440	if (isp_announced == 0 && bootverbose) {
441		printf("Qlogic ISP Driver, FreeBSD Version %d.%d, "
442		    "Core Version %d.%d\n",
443		    ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
444		    ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
445		isp_announced++;
446	}
447	/*
448	 * XXXX: Here is where we might load the f/w module
449	 * XXXX: (or increase a reference count to it).
450	 */
451	return (BUS_PROBE_DEFAULT);
452}
453
454static void
455isp_get_generic_options(device_t dev, ispsoftc_t *isp)
456{
457	int tval;
458
459	/*
460	 * Figure out if we're supposed to skip this one.
461	 */
462	tval = 0;
463	if (resource_int_value(device_get_name(dev), device_get_unit(dev), "disable", &tval) == 0 && tval) {
464		device_printf(dev, "disabled at user request\n");
465		isp->isp_osinfo.disabled = 1;
466		return;
467	}
468
469	tval = 0;
470	if (resource_int_value(device_get_name(dev), device_get_unit(dev), "fwload_disable", &tval) == 0 && tval != 0) {
471		isp->isp_confopts |= ISP_CFG_NORELOAD;
472	}
473	tval = 0;
474	if (resource_int_value(device_get_name(dev), device_get_unit(dev), "ignore_nvram", &tval) == 0 && tval != 0) {
475		isp->isp_confopts |= ISP_CFG_NONVRAM;
476	}
477	tval = 0;
478	(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "debug", &tval);
479	if (tval) {
480		isp->isp_dblev = tval;
481	} else {
482		isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
483	}
484	if (bootverbose) {
485		isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
486	}
487	tval = -1;
488	(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "vports", &tval);
489	if (tval > 0 && tval < 127) {
490		isp_nvports = tval;
491	}
492	tval = 1;
493	(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "autoconfig", &tval);
494	isp_autoconfig = tval;
495	tval = 7;
496	(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "quickboot_time", &tval);
497	isp_quickboot_time = tval;
498}
499
500static void
501isp_get_pci_options(device_t dev, int *m1, int *m2)
502{
503	int tval;
504	/*
505	 * Which we should try first - memory mapping or i/o mapping?
506	 *
507	 * We used to try memory first followed by i/o on alpha, otherwise
508	 * the reverse, but we should just try memory first all the time now.
509	 */
510	*m1 = PCIM_CMD_MEMEN;
511	*m2 = PCIM_CMD_PORTEN;
512
513	tval = 0;
514	if (resource_int_value(device_get_name(dev), device_get_unit(dev), "prefer_iomap", &tval) == 0 && tval != 0) {
515		*m1 = PCIM_CMD_PORTEN;
516		*m2 = PCIM_CMD_MEMEN;
517	}
518	tval = 0;
519	if (resource_int_value(device_get_name(dev), device_get_unit(dev), "prefer_memmap", &tval) == 0 && tval != 0) {
520		*m1 = PCIM_CMD_MEMEN;
521		*m2 = PCIM_CMD_PORTEN;
522	}
523}
524
525static void
526isp_get_specific_options(device_t dev, int chan, ispsoftc_t *isp)
527{
528	const char *sptr;
529	int tval = 0;
530
531	if (resource_int_value(device_get_name(dev), device_get_unit(dev), "iid", &tval)) {
532		if (IS_FC(isp)) {
533			ISP_FC_PC(isp, chan)->default_id = 109 - chan;
534		} else {
535#ifdef __sparc64__
536			ISP_SPI_PC(isp, chan)->iid = OF_getscsinitid(dev);
537#else
538			ISP_SPI_PC(isp, chan)->iid = 7;
539#endif
540		}
541	} else {
542		if (IS_FC(isp)) {
543			ISP_FC_PC(isp, chan)->default_id = tval - chan;
544		} else {
545			ISP_SPI_PC(isp, chan)->iid = tval;
546		}
547		isp->isp_confopts |= ISP_CFG_OWNLOOPID;
548	}
549
550	tval = -1;
551	if (resource_int_value(device_get_name(dev), device_get_unit(dev), "role", &tval) == 0) {
552		switch (tval) {
553		case ISP_ROLE_NONE:
554		case ISP_ROLE_INITIATOR:
555		case ISP_ROLE_TARGET:
556		case ISP_ROLE_INITIATOR|ISP_ROLE_TARGET:
557			device_printf(dev, "setting role to 0x%x\n", tval);
558			break;
559		default:
560			tval = -1;
561			break;
562		}
563	}
564	if (tval == -1) {
565		tval = ISP_DEFAULT_ROLES;
566	}
567
568	if (IS_SCSI(isp)) {
569		ISP_SPI_PC(isp, chan)->def_role = tval;
570		return;
571	}
572	ISP_FC_PC(isp, chan)->def_role = tval;
573
574	tval = 0;
575	if (resource_int_value(device_get_name(dev), device_get_unit(dev), "fullduplex", &tval) == 0 && tval != 0) {
576		isp->isp_confopts |= ISP_CFG_FULL_DUPLEX;
577	}
578	sptr = 0;
579	if (resource_string_value(device_get_name(dev), device_get_unit(dev), "topology", (const char **) &sptr) == 0 && sptr != 0) {
580		if (strcmp(sptr, "lport") == 0) {
581			isp->isp_confopts |= ISP_CFG_LPORT;
582		} else if (strcmp(sptr, "nport") == 0) {
583			isp->isp_confopts |= ISP_CFG_NPORT;
584		} else if (strcmp(sptr, "lport-only") == 0) {
585			isp->isp_confopts |= ISP_CFG_LPORT_ONLY;
586		} else if (strcmp(sptr, "nport-only") == 0) {
587			isp->isp_confopts |= ISP_CFG_NPORT_ONLY;
588		}
589	}
590
591	tval = 0;
592	(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "nofctape", &tval);
593	if (tval) {
594		isp->isp_confopts |= ISP_CFG_NOFCTAPE;
595	}
596
597	tval = 0;
598	(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "fctape", &tval);
599	if (tval) {
600		isp->isp_confopts &= ~ISP_CFG_NOFCTAPE;
601		isp->isp_confopts |= ISP_CFG_FCTAPE;
602	}
603
604
605	/*
606	 * Because the resource_*_value functions can neither return
607	 * 64 bit integer values, nor can they be directly coerced
608	 * to interpret the right hand side of the assignment as
609	 * you want them to interpret it, we have to force WWN
610	 * hint replacement to specify WWN strings with a leading
611	 * 'w' (e..g w50000000aaaa0001). Sigh.
612	 */
613	sptr = 0;
614	tval = resource_string_value(device_get_name(dev), device_get_unit(dev), "portwwn", (const char **) &sptr);
615	if (tval == 0 && sptr != 0 && *sptr++ == 'w') {
616		char *eptr = 0;
617		ISP_FC_PC(isp, chan)->def_wwpn = strtouq(sptr, &eptr, 16);
618		if (eptr < sptr + 16 || ISP_FC_PC(isp, chan)->def_wwpn == -1) {
619			device_printf(dev, "mangled portwwn hint '%s'\n", sptr);
620			ISP_FC_PC(isp, chan)->def_wwpn = 0;
621		}
622	}
623
624	sptr = 0;
625	tval = resource_string_value(device_get_name(dev), device_get_unit(dev), "nodewwn", (const char **) &sptr);
626	if (tval == 0 && sptr != 0 && *sptr++ == 'w') {
627		char *eptr = 0;
628		ISP_FC_PC(isp, chan)->def_wwnn = strtouq(sptr, &eptr, 16);
629		if (eptr < sptr + 16 || ISP_FC_PC(isp, chan)->def_wwnn == 0) {
630			device_printf(dev, "mangled nodewwn hint '%s'\n", sptr);
631			ISP_FC_PC(isp, chan)->def_wwnn = 0;
632		}
633	}
634
635	tval = 0;
636	(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "hysteresis", &tval);
637	if (tval >= 0 && tval < 256) {
638		ISP_FC_PC(isp, chan)->hysteresis = tval;
639	} else {
640		ISP_FC_PC(isp, chan)->hysteresis = isp_fabric_hysteresis;
641	}
642
643	tval = -1;
644	(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "loop_down_limit", &tval);
645	if (tval >= 0 && tval < 0xffff) {
646		ISP_FC_PC(isp, chan)->loop_down_limit = tval;
647	} else {
648		ISP_FC_PC(isp, chan)->loop_down_limit = isp_loop_down_limit;
649	}
650
651	tval = -1;
652	(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "gone_device_time", &tval);
653	if (tval >= 0 && tval < 0xffff) {
654		ISP_FC_PC(isp, chan)->gone_device_time = tval;
655	} else {
656		ISP_FC_PC(isp, chan)->gone_device_time = isp_gone_device_time;
657	}
658}
659
660static int
661isp_pci_attach(device_t dev)
662{
663	int i, m1, m2, locksetup = 0;
664	uint32_t data, cmd, linesz, did;
665	struct isp_pcisoftc *pcs;
666	ispsoftc_t *isp;
667	size_t psize, xsize;
668	char fwname[32];
669
670	pcs = device_get_softc(dev);
671	if (pcs == NULL) {
672		device_printf(dev, "cannot get softc\n");
673		return (ENOMEM);
674	}
675	memset(pcs, 0, sizeof (*pcs));
676
677	pcs->pci_dev = dev;
678	isp = &pcs->pci_isp;
679	isp->isp_dev = dev;
680	isp->isp_nchan = 1;
681	if (sizeof (bus_addr_t) > 4)
682		isp->isp_osinfo.sixtyfourbit = 1;
683
684	/*
685	 * Get Generic Options
686	 */
687	isp_nvports = 0;
688	isp_get_generic_options(dev, isp);
689
690	/*
691	 * Check to see if options have us disabled
692	 */
693	if (isp->isp_osinfo.disabled) {
694		/*
695		 * But return zero to preserve unit numbering
696		 */
697		return (0);
698	}
699
700	/*
701	 * Get PCI options- which in this case are just mapping preferences.
702	 */
703	isp_get_pci_options(dev, &m1, &m2);
704
705	linesz = PCI_DFLT_LNSZ;
706	pcs->irq = pcs->regs = NULL;
707	pcs->rgd = pcs->rtp = pcs->iqd = 0;
708
709	pcs->rtp = (m1 == PCIM_CMD_MEMEN)? SYS_RES_MEMORY : SYS_RES_IOPORT;
710	pcs->rgd = (m1 == PCIM_CMD_MEMEN)? MEM_MAP_REG : IO_MAP_REG;
711	pcs->regs = bus_alloc_resource_any(dev, pcs->rtp, &pcs->rgd, RF_ACTIVE);
712	if (pcs->regs == NULL) {
713		pcs->rtp = (m2 == PCIM_CMD_MEMEN)? SYS_RES_MEMORY : SYS_RES_IOPORT;
714		pcs->rgd = (m2 == PCIM_CMD_MEMEN)? MEM_MAP_REG : IO_MAP_REG;
715		pcs->regs = bus_alloc_resource_any(dev, pcs->rtp, &pcs->rgd, RF_ACTIVE);
716	}
717	if (pcs->regs == NULL) {
718		device_printf(dev, "unable to map any ports\n");
719		goto bad;
720	}
721	if (bootverbose) {
722		device_printf(dev, "using %s space register mapping\n", (pcs->rgd == IO_MAP_REG)? "I/O" : "Memory");
723	}
724	isp->isp_bus_tag = rman_get_bustag(pcs->regs);
725	isp->isp_bus_handle = rman_get_bushandle(pcs->regs);
726
727	pcs->pci_dev = dev;
728	pcs->pci_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
729	pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS_OFF;
730	pcs->pci_poff[SXP_BLOCK >> _BLK_REG_SHFT] = PCI_SXP_REGS_OFF;
731	pcs->pci_poff[RISC_BLOCK >> _BLK_REG_SHFT] = PCI_RISC_REGS_OFF;
732	pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
733
734	switch (pci_get_devid(dev)) {
735	case PCI_QLOGIC_ISP1020:
736		did = 0x1040;
737		isp->isp_mdvec = &mdvec;
738		isp->isp_type = ISP_HA_SCSI_UNKNOWN;
739		break;
740	case PCI_QLOGIC_ISP1080:
741		did = 0x1080;
742		isp->isp_mdvec = &mdvec_1080;
743		isp->isp_type = ISP_HA_SCSI_1080;
744		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
745		break;
746	case PCI_QLOGIC_ISP1240:
747		did = 0x1080;
748		isp->isp_mdvec = &mdvec_1080;
749		isp->isp_type = ISP_HA_SCSI_1240;
750		isp->isp_nchan = 2;
751		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
752		break;
753	case PCI_QLOGIC_ISP1280:
754		did = 0x1080;
755		isp->isp_mdvec = &mdvec_1080;
756		isp->isp_type = ISP_HA_SCSI_1280;
757		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
758		break;
759	case PCI_QLOGIC_ISP10160:
760		did = 0x12160;
761		isp->isp_mdvec = &mdvec_12160;
762		isp->isp_type = ISP_HA_SCSI_10160;
763		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
764		break;
765	case PCI_QLOGIC_ISP12160:
766		did = 0x12160;
767		isp->isp_nchan = 2;
768		isp->isp_mdvec = &mdvec_12160;
769		isp->isp_type = ISP_HA_SCSI_12160;
770		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
771		break;
772	case PCI_QLOGIC_ISP2100:
773		did = 0x2100;
774		isp->isp_mdvec = &mdvec_2100;
775		isp->isp_type = ISP_HA_FC_2100;
776		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF;
777		if (pci_get_revid(dev) < 3) {
778			/*
779			 * XXX: Need to get the actual revision
780			 * XXX: number of the 2100 FB. At any rate,
781			 * XXX: lower cache line size for early revision
782			 * XXX; boards.
783			 */
784			linesz = 1;
785		}
786		break;
787	case PCI_QLOGIC_ISP2200:
788		did = 0x2200;
789		isp->isp_mdvec = &mdvec_2200;
790		isp->isp_type = ISP_HA_FC_2200;
791		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF;
792		break;
793	case PCI_QLOGIC_ISP2300:
794		did = 0x2300;
795		isp->isp_mdvec = &mdvec_2300;
796		isp->isp_type = ISP_HA_FC_2300;
797		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
798		break;
799	case PCI_QLOGIC_ISP2312:
800	case PCI_QLOGIC_ISP6312:
801		did = 0x2300;
802		isp->isp_mdvec = &mdvec_2300;
803		isp->isp_type = ISP_HA_FC_2312;
804		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
805		break;
806	case PCI_QLOGIC_ISP2322:
807	case PCI_QLOGIC_ISP6322:
808		did = 0x2322;
809		isp->isp_mdvec = &mdvec_2300;
810		isp->isp_type = ISP_HA_FC_2322;
811		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
812		break;
813	case PCI_QLOGIC_ISP2422:
814	case PCI_QLOGIC_ISP2432:
815		did = 0x2400;
816		isp->isp_nchan += isp_nvports;
817		isp->isp_mdvec = &mdvec_2400;
818		isp->isp_type = ISP_HA_FC_2400;
819		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
820		break;
821	case PCI_QLOGIC_ISP2532:
822		did = 0x2500;
823		isp->isp_nchan += isp_nvports;
824		isp->isp_mdvec = &mdvec_2500;
825		isp->isp_type = ISP_HA_FC_2500;
826		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
827		break;
828	case PCI_QLOGIC_ISP5432:
829		did = 0x2500;
830		isp->isp_mdvec = &mdvec_2500;
831		isp->isp_type = ISP_HA_FC_2500;
832		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
833		break;
834	default:
835		device_printf(dev, "unknown device type\n");
836		goto bad;
837		break;
838	}
839	isp->isp_revision = pci_get_revid(dev);
840
841	if (IS_FC(isp)) {
842		psize = sizeof (fcparam);
843		xsize = sizeof (struct isp_fc);
844	} else {
845		psize = sizeof (sdparam);
846		xsize = sizeof (struct isp_spi);
847	}
848	psize *= isp->isp_nchan;
849	xsize *= isp->isp_nchan;
850	isp->isp_param = malloc(psize, M_DEVBUF, M_NOWAIT | M_ZERO);
851	if (isp->isp_param == NULL) {
852		device_printf(dev, "cannot allocate parameter data\n");
853		goto bad;
854	}
855	isp->isp_osinfo.pc.ptr = malloc(xsize, M_DEVBUF, M_NOWAIT | M_ZERO);
856	if (isp->isp_osinfo.pc.ptr == NULL) {
857		device_printf(dev, "cannot allocate parameter data\n");
858		goto bad;
859	}
860
861	/*
862	 * Now that we know who we are (roughly) get/set specific options
863	 */
864	for (i = 0; i < isp->isp_nchan; i++) {
865		isp_get_specific_options(dev, i, isp);
866	}
867
868	/*
869	 * The 'it' suffix really only matters for SCSI cards in target mode.
870	 */
871	isp->isp_osinfo.fw = NULL;
872	if (IS_SCSI(isp) && (ISP_SPI_PC(isp, 0)->def_role & ISP_ROLE_TARGET)) {
873		snprintf(fwname, sizeof (fwname), "isp_%04x_it", did);
874		isp->isp_osinfo.fw = firmware_get(fwname);
875	} else if (IS_24XX(isp)) {
876		snprintf(fwname, sizeof (fwname), "isp_%04x_multi", did);
877		isp->isp_osinfo.fw = firmware_get(fwname);
878	}
879	if (isp->isp_osinfo.fw == NULL) {
880		snprintf(fwname, sizeof (fwname), "isp_%04x", did);
881		isp->isp_osinfo.fw = firmware_get(fwname);
882	}
883	if (isp->isp_osinfo.fw != NULL) {
884		isp_prt(isp, ISP_LOGCONFIG, "loaded firmware %s", fwname);
885		isp->isp_mdvec->dv_ispfw = isp->isp_osinfo.fw->data;
886	}
887
888	/*
889	 * Make sure that SERR, PERR, WRITE INVALIDATE and BUSMASTER are set.
890	 */
891	cmd = pci_read_config(dev, PCIR_COMMAND, 2);
892	cmd |= PCIM_CMD_SEREN | PCIM_CMD_PERRESPEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_INVEN;
893	if (IS_2300(isp)) {	/* per QLogic errata */
894		cmd &= ~PCIM_CMD_INVEN;
895	}
896	if (IS_2322(isp) || pci_get_devid(dev) == PCI_QLOGIC_ISP6312) {
897		cmd &= ~PCIM_CMD_INTX_DISABLE;
898	}
899	if (IS_24XX(isp)) {
900		cmd &= ~PCIM_CMD_INTX_DISABLE;
901	}
902	pci_write_config(dev, PCIR_COMMAND, cmd, 2);
903
904	/*
905	 * Make sure the Cache Line Size register is set sensibly.
906	 */
907	data = pci_read_config(dev, PCIR_CACHELNSZ, 1);
908	if (data == 0 || (linesz != PCI_DFLT_LNSZ && data != linesz)) {
909		isp_prt(isp, ISP_LOGDEBUG0, "set PCI line size to %d from %d", linesz, data);
910		data = linesz;
911		pci_write_config(dev, PCIR_CACHELNSZ, data, 1);
912	}
913
914	/*
915	 * Make sure the Latency Timer is sane.
916	 */
917	data = pci_read_config(dev, PCIR_LATTIMER, 1);
918	if (data < PCI_DFLT_LTNCY) {
919		data = PCI_DFLT_LTNCY;
920		isp_prt(isp, ISP_LOGDEBUG0, "set PCI latency to %d", data);
921		pci_write_config(dev, PCIR_LATTIMER, data, 1);
922	}
923
924	/*
925	 * Make sure we've disabled the ROM.
926	 */
927	data = pci_read_config(dev, PCIR_ROMADDR, 4);
928	data &= ~1;
929	pci_write_config(dev, PCIR_ROMADDR, data, 4);
930
931	/*
932	 * Do MSI
933	 *
934	 * NB: MSI-X needs to be disabled for the 2432 (PCI-Express)
935	 */
936	if (IS_24XX(isp) || IS_2322(isp)) {
937		pcs->msicount = pci_msi_count(dev);
938		if (pcs->msicount > 1) {
939			pcs->msicount = 1;
940		}
941		if (pci_alloc_msi(dev, &pcs->msicount) == 0) {
942			pcs->iqd = 1;
943		} else {
944			pcs->iqd = 0;
945		}
946	}
947	pcs->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &pcs->iqd, RF_ACTIVE | RF_SHAREABLE);
948	if (pcs->irq == NULL) {
949		device_printf(dev, "could not allocate interrupt\n");
950		goto bad;
951	}
952
953	/* Make sure the lock is set up. */
954	mtx_init(&isp->isp_osinfo.lock, "isp", NULL, MTX_DEF);
955	locksetup++;
956
957	if (isp_setup_intr(dev, pcs->irq, ISP_IFLAGS, NULL, isp_platform_intr, isp, &pcs->ih)) {
958		device_printf(dev, "could not setup interrupt\n");
959		goto bad;
960	}
961
962	/*
963	 * Last minute checks...
964	 */
965	if (IS_23XX(isp) || IS_24XX(isp)) {
966		isp->isp_port = pci_get_function(dev);
967	}
968
969	/*
970	 * Make sure we're in reset state.
971	 */
972	ISP_LOCK(isp);
973	isp_reset(isp, 1);
974	if (isp->isp_state != ISP_RESETSTATE) {
975		ISP_UNLOCK(isp);
976		goto bad;
977	}
978	isp_init(isp);
979	if (isp->isp_state == ISP_INITSTATE) {
980		isp->isp_state = ISP_RUNSTATE;
981	}
982	ISP_UNLOCK(isp);
983	if (isp_attach(isp)) {
984		ISP_LOCK(isp);
985		isp_uninit(isp);
986		ISP_UNLOCK(isp);
987		goto bad;
988	}
989	return (0);
990
991bad:
992	if (pcs->ih) {
993		(void) bus_teardown_intr(dev, pcs->irq, pcs->ih);
994	}
995	if (locksetup) {
996		mtx_destroy(&isp->isp_osinfo.lock);
997	}
998	if (pcs->irq) {
999		(void) bus_release_resource(dev, SYS_RES_IRQ, pcs->iqd, pcs->irq);
1000	}
1001	if (pcs->msicount) {
1002		pci_release_msi(dev);
1003	}
1004	if (pcs->regs) {
1005		(void) bus_release_resource(dev, pcs->rtp, pcs->rgd, pcs->regs);
1006	}
1007	if (pcs->pci_isp.isp_param) {
1008		free(pcs->pci_isp.isp_param, M_DEVBUF);
1009		pcs->pci_isp.isp_param = NULL;
1010	}
1011	if (pcs->pci_isp.isp_osinfo.pc.ptr) {
1012		free(pcs->pci_isp.isp_osinfo.pc.ptr, M_DEVBUF);
1013		pcs->pci_isp.isp_osinfo.pc.ptr = NULL;
1014	}
1015	return (ENXIO);
1016}
1017
1018static int
1019isp_pci_detach(device_t dev)
1020{
1021	struct isp_pcisoftc *pcs;
1022	ispsoftc_t *isp;
1023	int status;
1024
1025	pcs = device_get_softc(dev);
1026	if (pcs == NULL) {
1027		return (ENXIO);
1028	}
1029	isp = (ispsoftc_t *) pcs;
1030	status = isp_detach(isp);
1031	if (status)
1032		return (status);
1033	ISP_LOCK(isp);
1034	isp_uninit(isp);
1035	if (pcs->ih) {
1036		(void) bus_teardown_intr(dev, pcs->irq, pcs->ih);
1037	}
1038	ISP_UNLOCK(isp);
1039	mtx_destroy(&isp->isp_osinfo.lock);
1040	(void) bus_release_resource(dev, SYS_RES_IRQ, pcs->iqd, pcs->irq);
1041	if (pcs->msicount) {
1042		pci_release_msi(dev);
1043	}
1044	(void) bus_release_resource(dev, pcs->rtp, pcs->rgd, pcs->regs);
1045	/*
1046	 * XXX: THERE IS A LOT OF LEAKAGE HERE
1047	 */
1048	if (pcs->pci_isp.isp_param) {
1049		free(pcs->pci_isp.isp_param, M_DEVBUF);
1050		pcs->pci_isp.isp_param = NULL;
1051	}
1052	if (pcs->pci_isp.isp_osinfo.pc.ptr) {
1053		free(pcs->pci_isp.isp_osinfo.pc.ptr, M_DEVBUF);
1054		pcs->pci_isp.isp_osinfo.pc.ptr = NULL;
1055	}
1056	return (0);
1057}
1058
1059#define	IspVirt2Off(a, x)	\
1060	(((struct isp_pcisoftc *)a)->pci_poff[((x) & _BLK_REG_MASK) >> \
1061	_BLK_REG_SHFT] + ((x) & 0xfff))
1062
1063#define	BXR2(isp, off)		\
1064	bus_space_read_2(isp->isp_bus_tag, isp->isp_bus_handle, off)
1065#define	BXW2(isp, off, v)	\
1066	bus_space_write_2(isp->isp_bus_tag, isp->isp_bus_handle, off, v)
1067#define	BXR4(isp, off)		\
1068	bus_space_read_4(isp->isp_bus_tag, isp->isp_bus_handle, off)
1069#define	BXW4(isp, off, v)	\
1070	bus_space_write_4(isp->isp_bus_tag, isp->isp_bus_handle, off, v)
1071
1072
1073static ISP_INLINE int
1074isp_pci_rd_debounced(ispsoftc_t *isp, int off, uint16_t *rp)
1075{
1076	uint32_t val0, val1;
1077	int i = 0;
1078
1079	do {
1080		val0 = BXR2(isp, IspVirt2Off(isp, off));
1081		val1 = BXR2(isp, IspVirt2Off(isp, off));
1082	} while (val0 != val1 && ++i < 1000);
1083	if (val0 != val1) {
1084		return (1);
1085	}
1086	*rp = val0;
1087	return (0);
1088}
1089
1090static int
1091isp_pci_rd_isr(ispsoftc_t *isp, uint32_t *isrp, uint16_t *semap, uint16_t *mbp)
1092{
1093	uint16_t isr, sema;
1094
1095	if (IS_2100(isp)) {
1096		if (isp_pci_rd_debounced(isp, BIU_ISR, &isr)) {
1097		    return (0);
1098		}
1099		if (isp_pci_rd_debounced(isp, BIU_SEMA, &sema)) {
1100		    return (0);
1101		}
1102	} else {
1103		isr = BXR2(isp, IspVirt2Off(isp, BIU_ISR));
1104		sema = BXR2(isp, IspVirt2Off(isp, BIU_SEMA));
1105	}
1106	isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema);
1107	isr &= INT_PENDING_MASK(isp);
1108	sema &= BIU_SEMA_LOCK;
1109	if (isr == 0 && sema == 0) {
1110		return (0);
1111	}
1112	*isrp = isr;
1113	if ((*semap = sema) != 0) {
1114		if (IS_2100(isp)) {
1115			if (isp_pci_rd_debounced(isp, OUTMAILBOX0, mbp)) {
1116				return (0);
1117			}
1118		} else {
1119			*mbp = BXR2(isp, IspVirt2Off(isp, OUTMAILBOX0));
1120		}
1121	}
1122	return (1);
1123}
1124
1125static int
1126isp_pci_rd_isr_2300(ispsoftc_t *isp, uint32_t *isrp, uint16_t *semap, uint16_t *mbox0p)
1127{
1128	uint32_t hccr;
1129	uint32_t r2hisr;
1130
1131	if (!(BXR2(isp, IspVirt2Off(isp, BIU_ISR) & BIU2100_ISR_RISC_INT))) {
1132		*isrp = 0;
1133		return (0);
1134	}
1135	r2hisr = BXR4(isp, IspVirt2Off(isp, BIU_R2HSTSLO));
1136	isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr);
1137	if ((r2hisr & BIU_R2HST_INTR) == 0) {
1138		*isrp = 0;
1139		return (0);
1140	}
1141	switch (r2hisr & BIU_R2HST_ISTAT_MASK) {
1142	case ISPR2HST_ROM_MBX_OK:
1143	case ISPR2HST_ROM_MBX_FAIL:
1144	case ISPR2HST_MBX_OK:
1145	case ISPR2HST_MBX_FAIL:
1146	case ISPR2HST_ASYNC_EVENT:
1147		*isrp = r2hisr & 0xffff;
1148		*mbox0p = (r2hisr >> 16);
1149		*semap = 1;
1150		return (1);
1151	case ISPR2HST_RIO_16:
1152		*isrp = r2hisr & 0xffff;
1153		*mbox0p = ASYNC_RIO16_1;
1154		*semap = 1;
1155		return (1);
1156	case ISPR2HST_FPOST:
1157		*isrp = r2hisr & 0xffff;
1158		*mbox0p = ASYNC_CMD_CMPLT;
1159		*semap = 1;
1160		return (1);
1161	case ISPR2HST_FPOST_CTIO:
1162		*isrp = r2hisr & 0xffff;
1163		*mbox0p = ASYNC_CTIO_DONE;
1164		*semap = 1;
1165		return (1);
1166	case ISPR2HST_RSPQ_UPDATE:
1167		*isrp = r2hisr & 0xffff;
1168		*mbox0p = 0;
1169		*semap = 0;
1170		return (1);
1171	default:
1172		hccr = ISP_READ(isp, HCCR);
1173		if (hccr & HCCR_PAUSE) {
1174			ISP_WRITE(isp, HCCR, HCCR_RESET);
1175			isp_prt(isp, ISP_LOGERR, "RISC paused at interrupt (%x->%x)", hccr, ISP_READ(isp, HCCR));
1176			ISP_WRITE(isp, BIU_ICR, 0);
1177		} else {
1178			isp_prt(isp, ISP_LOGERR, "unknown interrupt 0x%x\n", r2hisr);
1179		}
1180		return (0);
1181	}
1182}
1183
1184static int
1185isp_pci_rd_isr_2400(ispsoftc_t *isp, uint32_t *isrp, uint16_t *semap, uint16_t *mbox0p)
1186{
1187	uint32_t r2hisr;
1188
1189	r2hisr = BXR4(isp, IspVirt2Off(isp, BIU2400_R2HSTSLO));
1190	isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr);
1191	if ((r2hisr & BIU2400_R2HST_INTR) == 0) {
1192		*isrp = 0;
1193		return (0);
1194	}
1195	switch (r2hisr & BIU2400_R2HST_ISTAT_MASK) {
1196	case ISP2400R2HST_ROM_MBX_OK:
1197	case ISP2400R2HST_ROM_MBX_FAIL:
1198	case ISP2400R2HST_MBX_OK:
1199	case ISP2400R2HST_MBX_FAIL:
1200	case ISP2400R2HST_ASYNC_EVENT:
1201		*isrp = r2hisr & 0xffff;
1202		*mbox0p = (r2hisr >> 16);
1203		*semap = 1;
1204		return (1);
1205	case ISP2400R2HST_RSPQ_UPDATE:
1206	case ISP2400R2HST_ATIO_RSPQ_UPDATE:
1207	case ISP2400R2HST_ATIO_RQST_UPDATE:
1208		*isrp = r2hisr & 0xffff;
1209		*mbox0p = 0;
1210		*semap = 0;
1211		return (1);
1212	default:
1213		ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT);
1214		isp_prt(isp, ISP_LOGERR, "unknown interrupt 0x%x\n", r2hisr);
1215		return (0);
1216	}
1217}
1218
1219static uint32_t
1220isp_pci_rd_reg(ispsoftc_t *isp, int regoff)
1221{
1222	uint16_t rv;
1223	int oldconf = 0;
1224
1225	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1226		/*
1227		 * We will assume that someone has paused the RISC processor.
1228		 */
1229		oldconf = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1230		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf | BIU_PCI_CONF1_SXP);
1231		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1232	}
1233	rv = BXR2(isp, IspVirt2Off(isp, regoff));
1234	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1235		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf);
1236		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1237	}
1238	return (rv);
1239}
1240
1241static void
1242isp_pci_wr_reg(ispsoftc_t *isp, int regoff, uint32_t val)
1243{
1244	int oldconf = 0;
1245
1246	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1247		/*
1248		 * We will assume that someone has paused the RISC processor.
1249		 */
1250		oldconf = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1251		BXW2(isp, IspVirt2Off(isp, BIU_CONF1),
1252		    oldconf | BIU_PCI_CONF1_SXP);
1253		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1254	}
1255	BXW2(isp, IspVirt2Off(isp, regoff), val);
1256	MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2, -1);
1257	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1258		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf);
1259		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1260	}
1261
1262}
1263
1264static uint32_t
1265isp_pci_rd_reg_1080(ispsoftc_t *isp, int regoff)
1266{
1267	uint32_t rv, oc = 0;
1268
1269	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1270		uint32_t tc;
1271		/*
1272		 * We will assume that someone has paused the RISC processor.
1273		 */
1274		oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1275		tc = oc & ~BIU_PCI1080_CONF1_DMA;
1276		if (regoff & SXP_BANK1_SELECT)
1277			tc |= BIU_PCI1080_CONF1_SXP1;
1278		else
1279			tc |= BIU_PCI1080_CONF1_SXP0;
1280		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), tc);
1281		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1282	} else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
1283		oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1284		BXW2(isp, IspVirt2Off(isp, BIU_CONF1),
1285		    oc | BIU_PCI1080_CONF1_DMA);
1286		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1287	}
1288	rv = BXR2(isp, IspVirt2Off(isp, regoff));
1289	if (oc) {
1290		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oc);
1291		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1292	}
1293	return (rv);
1294}
1295
1296static void
1297isp_pci_wr_reg_1080(ispsoftc_t *isp, int regoff, uint32_t val)
1298{
1299	int oc = 0;
1300
1301	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1302		uint32_t tc;
1303		/*
1304		 * We will assume that someone has paused the RISC processor.
1305		 */
1306		oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1307		tc = oc & ~BIU_PCI1080_CONF1_DMA;
1308		if (regoff & SXP_BANK1_SELECT)
1309			tc |= BIU_PCI1080_CONF1_SXP1;
1310		else
1311			tc |= BIU_PCI1080_CONF1_SXP0;
1312		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), tc);
1313		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1314	} else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
1315		oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1316		BXW2(isp, IspVirt2Off(isp, BIU_CONF1),
1317		    oc | BIU_PCI1080_CONF1_DMA);
1318		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1319	}
1320	BXW2(isp, IspVirt2Off(isp, regoff), val);
1321	MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2, -1);
1322	if (oc) {
1323		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oc);
1324		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1325	}
1326}
1327
1328static uint32_t
1329isp_pci_rd_reg_2400(ispsoftc_t *isp, int regoff)
1330{
1331	uint32_t rv;
1332	int block = regoff & _BLK_REG_MASK;
1333
1334	switch (block) {
1335	case BIU_BLOCK:
1336		break;
1337	case MBOX_BLOCK:
1338		return (BXR2(isp, IspVirt2Off(isp, regoff)));
1339	case SXP_BLOCK:
1340		isp_prt(isp, ISP_LOGWARN, "SXP_BLOCK read at 0x%x", regoff);
1341		return (0xffffffff);
1342	case RISC_BLOCK:
1343		isp_prt(isp, ISP_LOGWARN, "RISC_BLOCK read at 0x%x", regoff);
1344		return (0xffffffff);
1345	case DMA_BLOCK:
1346		isp_prt(isp, ISP_LOGWARN, "DMA_BLOCK read at 0x%x", regoff);
1347		return (0xffffffff);
1348	default:
1349		isp_prt(isp, ISP_LOGWARN, "unknown block read at 0x%x", regoff);
1350		return (0xffffffff);
1351	}
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		rv = BXR4(isp, IspVirt2Off(isp, regoff));
1373		break;
1374	case BIU2400_R2HSTSLO:
1375		rv = BXR4(isp, IspVirt2Off(isp, regoff));
1376		break;
1377	case BIU2400_R2HSTSHI:
1378		rv = BXR4(isp, IspVirt2Off(isp, regoff)) >> 16;
1379		break;
1380	default:
1381		isp_prt(isp, ISP_LOGERR,
1382		    "isp_pci_rd_reg_2400: unknown offset %x", regoff);
1383		rv = 0xffffffff;
1384		break;
1385	}
1386	return (rv);
1387}
1388
1389static void
1390isp_pci_wr_reg_2400(ispsoftc_t *isp, int regoff, uint32_t val)
1391{
1392	int block = regoff & _BLK_REG_MASK;
1393
1394	switch (block) {
1395	case BIU_BLOCK:
1396		break;
1397	case MBOX_BLOCK:
1398		BXW2(isp, IspVirt2Off(isp, regoff), val);
1399		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2, -1);
1400		return;
1401	case SXP_BLOCK:
1402		isp_prt(isp, ISP_LOGWARN, "SXP_BLOCK write at 0x%x", regoff);
1403		return;
1404	case RISC_BLOCK:
1405		isp_prt(isp, ISP_LOGWARN, "RISC_BLOCK write at 0x%x", regoff);
1406		return;
1407	case DMA_BLOCK:
1408		isp_prt(isp, ISP_LOGWARN, "DMA_BLOCK write at 0x%x", regoff);
1409		return;
1410	default:
1411		isp_prt(isp, ISP_LOGWARN, "unknown block write at 0x%x",
1412		    regoff);
1413		break;
1414	}
1415
1416	switch (regoff) {
1417	case BIU2400_FLASH_ADDR:
1418	case BIU2400_FLASH_DATA:
1419	case BIU2400_ICR:
1420	case BIU2400_ISR:
1421	case BIU2400_CSR:
1422	case BIU2400_REQINP:
1423	case BIU2400_REQOUTP:
1424	case BIU2400_RSPINP:
1425	case BIU2400_RSPOUTP:
1426	case BIU2400_PRI_REQINP:
1427	case BIU2400_PRI_REQOUTP:
1428	case BIU2400_ATIO_RSPINP:
1429	case BIU2400_ATIO_RSPOUTP:
1430	case BIU2400_HCCR:
1431	case BIU2400_GPIOD:
1432	case BIU2400_GPIOE:
1433	case BIU2400_HSEMA:
1434		BXW4(isp, IspVirt2Off(isp, regoff), val);
1435		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 4, -1);
1436		break;
1437	default:
1438		isp_prt(isp, ISP_LOGERR,
1439		    "isp_pci_wr_reg_2400: bad offset 0x%x", regoff);
1440		break;
1441	}
1442}
1443
1444
1445struct imush {
1446	ispsoftc_t *isp;
1447	caddr_t vbase;
1448	int chan;
1449	int error;
1450};
1451
1452static void imc(void *, bus_dma_segment_t *, int, int);
1453static void imc1(void *, bus_dma_segment_t *, int, int);
1454
1455static void
1456imc(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1457{
1458	struct imush *imushp = (struct imush *) arg;
1459	isp_ecmd_t *ecmd;
1460
1461	if (error) {
1462		imushp->error = error;
1463		return;
1464	}
1465	if (nseg != 1) {
1466		imushp->error = EINVAL;
1467		return;
1468	}
1469	isp_prt(imushp->isp, ISP_LOGDEBUG0, "request/result area @ 0x%jx/0x%jx", (uintmax_t) segs->ds_addr, (uintmax_t) segs->ds_len);
1470
1471	imushp->isp->isp_rquest = imushp->vbase;
1472	imushp->isp->isp_rquest_dma = segs->ds_addr;
1473	segs->ds_addr += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(imushp->isp));
1474	imushp->vbase += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(imushp->isp));
1475
1476	imushp->isp->isp_result_dma = segs->ds_addr;
1477	imushp->isp->isp_result = imushp->vbase;
1478	segs->ds_addr += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(imushp->isp));
1479	imushp->vbase += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(imushp->isp));
1480
1481	if (imushp->isp->isp_type >= ISP_HA_FC_2300) {
1482        imushp->isp->isp_osinfo.ecmd_dma = segs->ds_addr;
1483        imushp->isp->isp_osinfo.ecmd_free = (isp_ecmd_t *)imushp->vbase;
1484        imushp->isp->isp_osinfo.ecmd_base = imushp->isp->isp_osinfo.ecmd_free;
1485        for (ecmd = imushp->isp->isp_osinfo.ecmd_free; ecmd < &imushp->isp->isp_osinfo.ecmd_free[N_XCMDS]; ecmd++) {
1486            if (ecmd == &imushp->isp->isp_osinfo.ecmd_free[N_XCMDS - 1]) {
1487                ecmd->next = NULL;
1488            } else {
1489                ecmd->next = ecmd + 1;
1490            }
1491        }
1492    }
1493#ifdef	ISP_TARGET_MODE
1494	segs->ds_addr += (N_XCMDS * XCMD_SIZE);
1495	imushp->vbase += (N_XCMDS * XCMD_SIZE);
1496	if (IS_24XX(imushp->isp)) {
1497		imushp->isp->isp_atioq_dma = segs->ds_addr;
1498		imushp->isp->isp_atioq = imushp->vbase;
1499	}
1500#endif
1501}
1502
1503static void
1504imc1(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1505{
1506	struct imush *imushp = (struct imush *) arg;
1507	if (error) {
1508		imushp->error = error;
1509		return;
1510	}
1511	if (nseg != 1) {
1512		imushp->error = EINVAL;
1513		return;
1514	}
1515	isp_prt(imushp->isp, ISP_LOGDEBUG0, "scdma @ 0x%jx/0x%jx", (uintmax_t) segs->ds_addr, (uintmax_t) segs->ds_len);
1516	FCPARAM(imushp->isp, imushp->chan)->isp_scdma = segs->ds_addr;
1517	FCPARAM(imushp->isp, imushp->chan)->isp_scratch = imushp->vbase;
1518}
1519
1520static int
1521isp_pci_mbxdma(ispsoftc_t *isp)
1522{
1523	caddr_t base;
1524	uint32_t len, nsegs;
1525	int i, error, cmap = 0;
1526	bus_size_t slim;	/* segment size */
1527	bus_addr_t llim;	/* low limit of unavailable dma */
1528	bus_addr_t hlim;	/* high limit of unavailable dma */
1529	struct imush im;
1530
1531	/*
1532	 * Already been here? If so, leave...
1533	 */
1534	if (isp->isp_rquest) {
1535		return (0);
1536	}
1537	ISP_UNLOCK(isp);
1538
1539	if (isp->isp_maxcmds == 0) {
1540		isp_prt(isp, ISP_LOGERR, "maxcmds not set");
1541		ISP_LOCK(isp);
1542		return (1);
1543	}
1544
1545	hlim = BUS_SPACE_MAXADDR;
1546	if (IS_ULTRA2(isp) || IS_FC(isp) || IS_1240(isp)) {
1547		if (sizeof (bus_size_t) > 4) {
1548			slim = (bus_size_t) (1ULL << 32);
1549		} else {
1550			slim = (bus_size_t) (1UL << 31);
1551		}
1552		llim = BUS_SPACE_MAXADDR;
1553	} else {
1554		llim = BUS_SPACE_MAXADDR_32BIT;
1555		slim = (1UL << 24);
1556	}
1557
1558	len = isp->isp_maxcmds * sizeof (struct isp_pcmd);
1559	isp->isp_osinfo.pcmd_pool = (struct isp_pcmd *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
1560	if (isp->isp_osinfo.pcmd_pool == NULL) {
1561		isp_prt(isp, ISP_LOGERR, "cannot allocate pcmds");
1562		ISP_LOCK(isp);
1563		return (1);
1564	}
1565
1566	if (isp->isp_osinfo.sixtyfourbit) {
1567		nsegs = ISP_NSEG64_MAX;
1568	} else {
1569		nsegs = ISP_NSEG_MAX;
1570	}
1571#ifdef	ISP_TARGET_MODE
1572	/*
1573	 * XXX: We don't really support 64 bit target mode for parallel scsi yet
1574	 */
1575	if (IS_SCSI(isp) && isp->isp_osinfo.sixtyfourbit) {
1576		free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1577		isp_prt(isp, ISP_LOGERR, "we cannot do DAC for SPI cards yet");
1578		ISP_LOCK(isp);
1579		return (1);
1580	}
1581#endif
1582
1583	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)) {
1584		free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1585		ISP_LOCK(isp);
1586		isp_prt(isp, ISP_LOGERR, "could not create master dma tag");
1587		return (1);
1588	}
1589
1590	len = sizeof (isp_hdl_t) * isp->isp_maxcmds;
1591	isp->isp_xflist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
1592	if (isp->isp_xflist == NULL) {
1593		free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1594		ISP_LOCK(isp);
1595		isp_prt(isp, ISP_LOGERR, "cannot alloc xflist array");
1596		return (1);
1597	}
1598	for (len = 0; len < isp->isp_maxcmds - 1; len++) {
1599		isp->isp_xflist[len].cmd = &isp->isp_xflist[len+1];
1600	}
1601	isp->isp_xffree = isp->isp_xflist;
1602#ifdef	ISP_TARGET_MODE
1603	len = sizeof (isp_hdl_t) * isp->isp_maxcmds;
1604	isp->isp_tgtlist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
1605	if (isp->isp_tgtlist == NULL) {
1606		free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1607		free(isp->isp_xflist, M_DEVBUF);
1608		ISP_LOCK(isp);
1609		isp_prt(isp, ISP_LOGERR, "cannot alloc tgtlist array");
1610		return (1);
1611	}
1612	for (len = 0; len < isp->isp_maxcmds - 1; len++) {
1613		isp->isp_tgtlist[len].cmd = &isp->isp_tgtlist[len+1];
1614	}
1615	isp->isp_tgtfree = isp->isp_tgtlist;
1616#endif
1617
1618	/*
1619	 * Allocate and map the request and result queues (and ATIO queue
1620	 * if we're a 2400 supporting target mode), and a region for
1621	 * external dma addressable command/status structures (23XX and
1622	 * later).
1623	 */
1624	len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
1625	len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
1626#ifdef	ISP_TARGET_MODE
1627	if (IS_24XX(isp)) {
1628		len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
1629	}
1630#endif
1631	if (isp->isp_type >= ISP_HA_FC_2300) {
1632		len += (N_XCMDS * XCMD_SIZE);
1633	}
1634
1635	/*
1636	 * Create a tag for the control spaces. We don't always need this
1637	 * to be 32 bits, but we do this for simplicity and speed's sake.
1638	 */
1639	if (isp_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN, slim, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, len, 1, slim, 0, &isp->isp_osinfo.cdmat)) {
1640		isp_prt(isp, ISP_LOGERR, "cannot create a dma tag for control spaces");
1641		free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1642		free(isp->isp_xflist, M_DEVBUF);
1643#ifdef	ISP_TARGET_MODE
1644		free(isp->isp_tgtlist, M_DEVBUF);
1645#endif
1646		ISP_LOCK(isp);
1647		return (1);
1648	}
1649
1650	if (bus_dmamem_alloc(isp->isp_osinfo.cdmat, (void **)&base, BUS_DMA_NOWAIT | BUS_DMA_COHERENT, &isp->isp_osinfo.cdmap) != 0) {
1651		isp_prt(isp, ISP_LOGERR, "cannot allocate %d bytes of CCB memory", len);
1652		bus_dma_tag_destroy(isp->isp_osinfo.cdmat);
1653		free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1654		free(isp->isp_xflist, M_DEVBUF);
1655#ifdef	ISP_TARGET_MODE
1656		free(isp->isp_tgtlist, M_DEVBUF);
1657#endif
1658		ISP_LOCK(isp);
1659		return (1);
1660	}
1661
1662	im.isp = isp;
1663	im.chan = 0;
1664	im.vbase = base;
1665	im.error = 0;
1666
1667	bus_dmamap_load(isp->isp_osinfo.cdmat, isp->isp_osinfo.cdmap, base, len, imc, &im, 0);
1668	if (im.error) {
1669		isp_prt(isp, ISP_LOGERR, "error %d loading dma map for control areas", im.error);
1670		goto bad;
1671	}
1672
1673	if (IS_FC(isp)) {
1674		for (cmap = 0; cmap < isp->isp_nchan; cmap++) {
1675			struct isp_fc *fc = ISP_FC_PC(isp, cmap);
1676			if (isp_dma_tag_create(isp->isp_osinfo.dmat, 64, slim, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, ISP_FC_SCRLEN, 1, slim, 0, &fc->tdmat)) {
1677				goto bad;
1678			}
1679			if (bus_dmamem_alloc(fc->tdmat, (void **)&base, BUS_DMA_NOWAIT | BUS_DMA_COHERENT, &fc->tdmap) != 0) {
1680				bus_dma_tag_destroy(fc->tdmat);
1681				goto bad;
1682			}
1683			im.isp = isp;
1684			im.chan = cmap;
1685			im.vbase = base;
1686			im.error = 0;
1687			bus_dmamap_load(fc->tdmat, fc->tdmap, base, ISP_FC_SCRLEN, imc1, &im, 0);
1688			if (im.error) {
1689				bus_dmamem_free(fc->tdmat, base, fc->tdmap);
1690				bus_dma_tag_destroy(fc->tdmat);
1691				goto bad;
1692			}
1693			if (isp->isp_type >= ISP_HA_FC_2300) {
1694				for (i = 0; i < INITIAL_NEXUS_COUNT; i++) {
1695					struct isp_nexus *n = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_NOWAIT | M_ZERO);
1696					if (n == NULL) {
1697						while (fc->nexus_free_list) {
1698							n = fc->nexus_free_list;
1699							fc->nexus_free_list = n->next;
1700							free(n, M_DEVBUF);
1701						}
1702						goto bad;
1703					}
1704					n->next = fc->nexus_free_list;
1705					fc->nexus_free_list = n;
1706				}
1707			}
1708		}
1709	}
1710
1711	for (i = 0; i < isp->isp_maxcmds; i++) {
1712		struct isp_pcmd *pcmd = &isp->isp_osinfo.pcmd_pool[i];
1713		error = bus_dmamap_create(isp->isp_osinfo.dmat, 0, &pcmd->dmap);
1714		if (error) {
1715			isp_prt(isp, ISP_LOGERR, "error %d creating per-cmd DMA maps", error);
1716			while (--i >= 0) {
1717				bus_dmamap_destroy(isp->isp_osinfo.dmat, isp->isp_osinfo.pcmd_pool[i].dmap);
1718			}
1719			goto bad;
1720		}
1721		callout_init_mtx(&pcmd->wdog, &isp->isp_osinfo.lock, 0);
1722		if (i == isp->isp_maxcmds-1) {
1723			pcmd->next = NULL;
1724		} else {
1725			pcmd->next = &isp->isp_osinfo.pcmd_pool[i+1];
1726		}
1727	}
1728	isp->isp_osinfo.pcmd_free = &isp->isp_osinfo.pcmd_pool[0];
1729	ISP_LOCK(isp);
1730	return (0);
1731
1732bad:
1733	while (--cmap >= 0) {
1734		struct isp_fc *fc = ISP_FC_PC(isp, cmap);
1735		bus_dmamem_free(fc->tdmat, base, fc->tdmap);
1736		bus_dma_tag_destroy(fc->tdmat);
1737		while (fc->nexus_free_list) {
1738			struct isp_nexus *n = fc->nexus_free_list;
1739			fc->nexus_free_list = n->next;
1740			free(n, M_DEVBUF);
1741		}
1742	}
1743	bus_dmamem_free(isp->isp_osinfo.cdmat, base, isp->isp_osinfo.cdmap);
1744	bus_dma_tag_destroy(isp->isp_osinfo.cdmat);
1745	free(isp->isp_xflist, M_DEVBUF);
1746#ifdef	ISP_TARGET_MODE
1747	free(isp->isp_tgtlist, M_DEVBUF);
1748#endif
1749	free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1750	isp->isp_rquest = NULL;
1751	ISP_LOCK(isp);
1752	return (1);
1753}
1754
1755typedef struct {
1756	ispsoftc_t *isp;
1757	void *cmd_token;
1758	void *rq;	/* original request */
1759	int error;
1760	bus_size_t mapsize;
1761} mush_t;
1762
1763#define	MUSHERR_NOQENTRIES	-2
1764
1765#ifdef	ISP_TARGET_MODE
1766static void tdma2_2(void *, bus_dma_segment_t *, int, bus_size_t, int);
1767static void tdma2(void *, bus_dma_segment_t *, int, int);
1768
1769static void
1770tdma2_2(void *arg, bus_dma_segment_t *dm_segs, int nseg, bus_size_t mapsize, int error)
1771{
1772	mush_t *mp;
1773	mp = (mush_t *)arg;
1774	mp->mapsize = mapsize;
1775	tdma2(arg, dm_segs, nseg, error);
1776}
1777
1778static void
1779tdma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1780{
1781	mush_t *mp;
1782	ispsoftc_t *isp;
1783	struct ccb_scsiio *csio;
1784	isp_ddir_t ddir;
1785	ispreq_t *rq;
1786
1787	mp = (mush_t *) arg;
1788	if (error) {
1789		mp->error = error;
1790		return;
1791	}
1792	csio = mp->cmd_token;
1793	isp = mp->isp;
1794	rq = mp->rq;
1795	if (nseg) {
1796		if (isp->isp_osinfo.sixtyfourbit) {
1797			if (nseg >= ISP_NSEG64_MAX) {
1798				isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG64_MAX);
1799				mp->error = EFAULT;
1800				return;
1801			}
1802			if (rq->req_header.rqs_entry_type == RQSTYPE_CTIO2) {
1803				rq->req_header.rqs_entry_type = RQSTYPE_CTIO3;
1804			}
1805		} else {
1806			if (nseg >= ISP_NSEG_MAX) {
1807				isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG_MAX);
1808				mp->error = EFAULT;
1809				return;
1810			}
1811		}
1812		if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1813			bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREWRITE);
1814			ddir = ISP_TO_DEVICE;
1815		} else if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
1816			bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREREAD);
1817			ddir = ISP_FROM_DEVICE;
1818		} else {
1819			dm_segs = NULL;
1820			nseg = 0;
1821			ddir = ISP_NOXFR;
1822		}
1823	} else {
1824		dm_segs = NULL;
1825		nseg = 0;
1826		ddir = ISP_NOXFR;
1827	}
1828
1829	error = isp_send_tgt_cmd(isp, rq, dm_segs, nseg, XS_XFRLEN(csio), ddir, &csio->sense_data, csio->sense_len);
1830	switch (error) {
1831	case CMD_EAGAIN:
1832		mp->error = MUSHERR_NOQENTRIES;
1833	case CMD_QUEUED:
1834		break;
1835	default:
1836		mp->error = EIO;
1837	}
1838}
1839#endif
1840
1841static void dma2_2(void *, bus_dma_segment_t *, int, bus_size_t, int);
1842static void dma2(void *, bus_dma_segment_t *, int, int);
1843
1844static void
1845dma2_2(void *arg, bus_dma_segment_t *dm_segs, int nseg, bus_size_t mapsize, int error)
1846{
1847	mush_t *mp;
1848	mp = (mush_t *)arg;
1849	mp->mapsize = mapsize;
1850	dma2(arg, dm_segs, nseg, error);
1851}
1852
1853static void
1854dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1855{
1856	mush_t *mp;
1857	ispsoftc_t *isp;
1858	struct ccb_scsiio *csio;
1859	isp_ddir_t ddir;
1860	ispreq_t *rq;
1861
1862	mp = (mush_t *) arg;
1863	if (error) {
1864		mp->error = error;
1865		return;
1866	}
1867	csio = mp->cmd_token;
1868	isp = mp->isp;
1869	rq = mp->rq;
1870	if (nseg) {
1871		if (isp->isp_osinfo.sixtyfourbit) {
1872			if (nseg >= ISP_NSEG64_MAX) {
1873				isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG64_MAX);
1874				mp->error = EFAULT;
1875				return;
1876			}
1877			if (rq->req_header.rqs_entry_type == RQSTYPE_T2RQS) {
1878				rq->req_header.rqs_entry_type = RQSTYPE_T3RQS;
1879			} else if (rq->req_header.rqs_entry_type == RQSTYPE_REQUEST) {
1880				rq->req_header.rqs_entry_type = RQSTYPE_A64;
1881			}
1882		} else {
1883			if (nseg >= ISP_NSEG_MAX) {
1884				isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG_MAX);
1885				mp->error = EFAULT;
1886				return;
1887			}
1888		}
1889		if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1890			bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREREAD);
1891			ddir = ISP_FROM_DEVICE;
1892		} else if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
1893			bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREWRITE);
1894			ddir = ISP_TO_DEVICE;
1895		} else {
1896			ddir = ISP_NOXFR;
1897		}
1898	} else {
1899		dm_segs = NULL;
1900		nseg = 0;
1901		ddir = ISP_NOXFR;
1902	}
1903
1904	error = isp_send_cmd(isp, rq, dm_segs, nseg, XS_XFRLEN(csio), ddir, (ispds64_t *)csio->req_map);
1905	switch (error) {
1906	case CMD_EAGAIN:
1907		mp->error = MUSHERR_NOQENTRIES;
1908		break;
1909	case CMD_QUEUED:
1910		break;
1911	default:
1912		mp->error = EIO;
1913		break;
1914	}
1915}
1916
1917static int
1918isp_pci_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *ff)
1919{
1920	mush_t mush, *mp;
1921	void (*eptr)(void *, bus_dma_segment_t *, int, int);
1922	void (*eptr2)(void *, bus_dma_segment_t *, int, bus_size_t, int);
1923	int error;
1924
1925	mp = &mush;
1926	mp->isp = isp;
1927	mp->cmd_token = csio;
1928	mp->rq = ff;
1929	mp->error = 0;
1930	mp->mapsize = 0;
1931
1932#ifdef	ISP_TARGET_MODE
1933	if (csio->ccb_h.func_code == XPT_CONT_TARGET_IO) {
1934		eptr = tdma2;
1935		eptr2 = tdma2_2;
1936	} else
1937#endif
1938	{
1939		eptr = dma2;
1940		eptr2 = dma2_2;
1941	}
1942
1943
1944	error = bus_dmamap_load_ccb(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap,
1945	    (union ccb *)csio, eptr, mp, 0);
1946	if (error == EINPROGRESS) {
1947		bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
1948		mp->error = EINVAL;
1949		isp_prt(isp, ISP_LOGERR, "deferred dma allocation not supported");
1950	} else if (error && mp->error == 0) {
1951#ifdef	DIAGNOSTIC
1952		isp_prt(isp, ISP_LOGERR, "error %d in dma mapping code", error);
1953#endif
1954		mp->error = error;
1955	}
1956	if (mp->error) {
1957		int retval = CMD_COMPLETE;
1958		if (mp->error == MUSHERR_NOQENTRIES) {
1959			retval = CMD_EAGAIN;
1960		} else if (mp->error == EFBIG) {
1961			csio->ccb_h.status = CAM_REQ_TOO_BIG;
1962		} else if (mp->error == EINVAL) {
1963			csio->ccb_h.status = CAM_REQ_INVALID;
1964		} else {
1965			csio->ccb_h.status = CAM_UNREC_HBA_ERROR;
1966		}
1967		return (retval);
1968	}
1969	return (CMD_QUEUED);
1970}
1971
1972static void
1973isp_pci_reset0(ispsoftc_t *isp)
1974{
1975	ISP_DISABLE_INTS(isp);
1976}
1977
1978static void
1979isp_pci_reset1(ispsoftc_t *isp)
1980{
1981	if (!IS_24XX(isp)) {
1982		/* Make sure the BIOS is disabled */
1983		isp_pci_wr_reg(isp, HCCR, PCI_HCCR_CMD_BIOS);
1984	}
1985	/* and enable interrupts */
1986	ISP_ENABLE_INTS(isp);
1987}
1988
1989static void
1990isp_pci_dumpregs(ispsoftc_t *isp, const char *msg)
1991{
1992	struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
1993	if (msg)
1994		printf("%s: %s\n", device_get_nameunit(isp->isp_dev), msg);
1995	else
1996		printf("%s:\n", device_get_nameunit(isp->isp_dev));
1997	if (IS_SCSI(isp))
1998		printf("    biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
1999	else
2000		printf("    biu_csr=%x", ISP_READ(isp, BIU2100_CSR));
2001	printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
2002	    ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
2003	printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
2004
2005
2006	if (IS_SCSI(isp)) {
2007		ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
2008		printf("    cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
2009			ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
2010			ISP_READ(isp, CDMA_FIFO_STS));
2011		printf("    ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
2012			ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
2013			ISP_READ(isp, DDMA_FIFO_STS));
2014		printf("    sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
2015			ISP_READ(isp, SXP_INTERRUPT),
2016			ISP_READ(isp, SXP_GROSS_ERR),
2017			ISP_READ(isp, SXP_PINS_CTRL));
2018		ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
2019	}
2020	printf("    mbox regs: %x %x %x %x %x\n",
2021	    ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
2022	    ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
2023	    ISP_READ(isp, OUTMAILBOX4));
2024	printf("    PCI Status Command/Status=%x\n",
2025	    pci_read_config(pcs->pci_dev, PCIR_COMMAND, 1));
2026}
2027