isp_pci.c revision 239218
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: head/sys/dev/isp/isp_pci.c 239218 2012-08-12 20:45:47Z mjacob $");
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	cmd = pci_read_config(dev, PCIR_COMMAND, 2);
710	if (cmd & m1) {
711		pcs->rtp = (m1 == PCIM_CMD_MEMEN)? SYS_RES_MEMORY : SYS_RES_IOPORT;
712		pcs->rgd = (m1 == PCIM_CMD_MEMEN)? MEM_MAP_REG : IO_MAP_REG;
713		pcs->regs = bus_alloc_resource_any(dev, pcs->rtp, &pcs->rgd, RF_ACTIVE);
714	}
715	if (pcs->regs == NULL && (cmd & m2)) {
716		pcs->rtp = (m2 == PCIM_CMD_MEMEN)? SYS_RES_MEMORY : SYS_RES_IOPORT;
717		pcs->rgd = (m2 == PCIM_CMD_MEMEN)? MEM_MAP_REG : IO_MAP_REG;
718		pcs->regs = bus_alloc_resource_any(dev, pcs->rtp, &pcs->rgd, RF_ACTIVE);
719	}
720	if (pcs->regs == NULL) {
721		device_printf(dev, "unable to map any ports\n");
722		goto bad;
723	}
724	if (bootverbose) {
725		device_printf(dev, "using %s space register mapping\n", (pcs->rgd == IO_MAP_REG)? "I/O" : "Memory");
726	}
727	isp->isp_bus_tag = rman_get_bustag(pcs->regs);
728	isp->isp_bus_handle = rman_get_bushandle(pcs->regs);
729
730	pcs->pci_dev = dev;
731	pcs->pci_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
732	pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS_OFF;
733	pcs->pci_poff[SXP_BLOCK >> _BLK_REG_SHFT] = PCI_SXP_REGS_OFF;
734	pcs->pci_poff[RISC_BLOCK >> _BLK_REG_SHFT] = PCI_RISC_REGS_OFF;
735	pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
736
737	switch (pci_get_devid(dev)) {
738	case PCI_QLOGIC_ISP1020:
739		did = 0x1040;
740		isp->isp_mdvec = &mdvec;
741		isp->isp_type = ISP_HA_SCSI_UNKNOWN;
742		break;
743	case PCI_QLOGIC_ISP1080:
744		did = 0x1080;
745		isp->isp_mdvec = &mdvec_1080;
746		isp->isp_type = ISP_HA_SCSI_1080;
747		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
748		break;
749	case PCI_QLOGIC_ISP1240:
750		did = 0x1080;
751		isp->isp_mdvec = &mdvec_1080;
752		isp->isp_type = ISP_HA_SCSI_1240;
753		isp->isp_nchan = 2;
754		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
755		break;
756	case PCI_QLOGIC_ISP1280:
757		did = 0x1080;
758		isp->isp_mdvec = &mdvec_1080;
759		isp->isp_type = ISP_HA_SCSI_1280;
760		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
761		break;
762	case PCI_QLOGIC_ISP10160:
763		did = 0x12160;
764		isp->isp_mdvec = &mdvec_12160;
765		isp->isp_type = ISP_HA_SCSI_10160;
766		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
767		break;
768	case PCI_QLOGIC_ISP12160:
769		did = 0x12160;
770		isp->isp_nchan = 2;
771		isp->isp_mdvec = &mdvec_12160;
772		isp->isp_type = ISP_HA_SCSI_12160;
773		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
774		break;
775	case PCI_QLOGIC_ISP2100:
776		did = 0x2100;
777		isp->isp_mdvec = &mdvec_2100;
778		isp->isp_type = ISP_HA_FC_2100;
779		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF;
780		if (pci_get_revid(dev) < 3) {
781			/*
782			 * XXX: Need to get the actual revision
783			 * XXX: number of the 2100 FB. At any rate,
784			 * XXX: lower cache line size for early revision
785			 * XXX; boards.
786			 */
787			linesz = 1;
788		}
789		break;
790	case PCI_QLOGIC_ISP2200:
791		did = 0x2200;
792		isp->isp_mdvec = &mdvec_2200;
793		isp->isp_type = ISP_HA_FC_2200;
794		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF;
795		break;
796	case PCI_QLOGIC_ISP2300:
797		did = 0x2300;
798		isp->isp_mdvec = &mdvec_2300;
799		isp->isp_type = ISP_HA_FC_2300;
800		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
801		break;
802	case PCI_QLOGIC_ISP2312:
803	case PCI_QLOGIC_ISP6312:
804		did = 0x2300;
805		isp->isp_mdvec = &mdvec_2300;
806		isp->isp_type = ISP_HA_FC_2312;
807		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
808		break;
809	case PCI_QLOGIC_ISP2322:
810	case PCI_QLOGIC_ISP6322:
811		did = 0x2322;
812		isp->isp_mdvec = &mdvec_2300;
813		isp->isp_type = ISP_HA_FC_2322;
814		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
815		break;
816	case PCI_QLOGIC_ISP2422:
817	case PCI_QLOGIC_ISP2432:
818		did = 0x2400;
819		isp->isp_nchan += isp_nvports;
820		isp->isp_mdvec = &mdvec_2400;
821		isp->isp_type = ISP_HA_FC_2400;
822		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
823		break;
824	case PCI_QLOGIC_ISP2532:
825		did = 0x2500;
826		isp->isp_nchan += isp_nvports;
827		isp->isp_mdvec = &mdvec_2500;
828		isp->isp_type = ISP_HA_FC_2500;
829		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
830		break;
831	case PCI_QLOGIC_ISP5432:
832		did = 0x2500;
833		isp->isp_mdvec = &mdvec_2500;
834		isp->isp_type = ISP_HA_FC_2500;
835		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
836		break;
837	default:
838		device_printf(dev, "unknown device type\n");
839		goto bad;
840		break;
841	}
842	isp->isp_revision = pci_get_revid(dev);
843
844	if (IS_FC(isp)) {
845		psize = sizeof (fcparam);
846		xsize = sizeof (struct isp_fc);
847	} else {
848		psize = sizeof (sdparam);
849		xsize = sizeof (struct isp_spi);
850	}
851	psize *= isp->isp_nchan;
852	xsize *= isp->isp_nchan;
853	isp->isp_param = malloc(psize, M_DEVBUF, M_NOWAIT | M_ZERO);
854	if (isp->isp_param == NULL) {
855		device_printf(dev, "cannot allocate parameter data\n");
856		goto bad;
857	}
858	isp->isp_osinfo.pc.ptr = malloc(xsize, M_DEVBUF, M_NOWAIT | M_ZERO);
859	if (isp->isp_osinfo.pc.ptr == NULL) {
860		device_printf(dev, "cannot allocate parameter data\n");
861		goto bad;
862	}
863
864	/*
865	 * Now that we know who we are (roughly) get/set specific options
866	 */
867	for (i = 0; i < isp->isp_nchan; i++) {
868		isp_get_specific_options(dev, i, isp);
869	}
870
871	/*
872	 * The 'it' suffix really only matters for SCSI cards in target mode.
873	 */
874	isp->isp_osinfo.fw = NULL;
875	if (IS_SCSI(isp) && (ISP_SPI_PC(isp, 0)->def_role & ISP_ROLE_TARGET)) {
876		snprintf(fwname, sizeof (fwname), "isp_%04x_it", did);
877		isp->isp_osinfo.fw = firmware_get(fwname);
878	} else if (IS_24XX(isp)) {
879		snprintf(fwname, sizeof (fwname), "isp_%04x_multi", did);
880		isp->isp_osinfo.fw = firmware_get(fwname);
881	}
882	if (isp->isp_osinfo.fw == NULL) {
883		snprintf(fwname, sizeof (fwname), "isp_%04x", did);
884		isp->isp_osinfo.fw = firmware_get(fwname);
885	}
886	if (isp->isp_osinfo.fw != NULL) {
887		isp_prt(isp, ISP_LOGCONFIG, "loaded firmware %s", fwname);
888		isp->isp_mdvec->dv_ispfw = isp->isp_osinfo.fw->data;
889	}
890
891	/*
892	 * Make sure that SERR, PERR, WRITE INVALIDATE and BUSMASTER are set.
893	 */
894	cmd |= PCIM_CMD_SEREN | PCIM_CMD_PERRESPEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_INVEN;
895	if (IS_2300(isp)) {	/* per QLogic errata */
896		cmd &= ~PCIM_CMD_INVEN;
897	}
898	if (IS_2322(isp) || pci_get_devid(dev) == PCI_QLOGIC_ISP6312) {
899		cmd &= ~PCIM_CMD_INTX_DISABLE;
900	}
901	if (IS_24XX(isp)) {
902		cmd &= ~PCIM_CMD_INTX_DISABLE;
903	}
904	pci_write_config(dev, PCIR_COMMAND, cmd, 2);
905
906	/*
907	 * Make sure the Cache Line Size register is set sensibly.
908	 */
909	data = pci_read_config(dev, PCIR_CACHELNSZ, 1);
910	if (data == 0 || (linesz != PCI_DFLT_LNSZ && data != linesz)) {
911		isp_prt(isp, ISP_LOGDEBUG0, "set PCI line size to %d from %d", linesz, data);
912		data = linesz;
913		pci_write_config(dev, PCIR_CACHELNSZ, data, 1);
914	}
915
916	/*
917	 * Make sure the Latency Timer is sane.
918	 */
919	data = pci_read_config(dev, PCIR_LATTIMER, 1);
920	if (data < PCI_DFLT_LTNCY) {
921		data = PCI_DFLT_LTNCY;
922		isp_prt(isp, ISP_LOGDEBUG0, "set PCI latency to %d", data);
923		pci_write_config(dev, PCIR_LATTIMER, data, 1);
924	}
925
926	/*
927	 * Make sure we've disabled the ROM.
928	 */
929	data = pci_read_config(dev, PCIR_ROMADDR, 4);
930	data &= ~1;
931	pci_write_config(dev, PCIR_ROMADDR, data, 4);
932
933	/*
934	 * Do MSI
935	 *
936	 * NB: MSI-X needs to be disabled for the 2432 (PCI-Express)
937	 */
938	if (IS_24XX(isp) || IS_2322(isp)) {
939		pcs->msicount = pci_msi_count(dev);
940		if (pcs->msicount > 1) {
941			pcs->msicount = 1;
942		}
943		if (pci_alloc_msi(dev, &pcs->msicount) == 0) {
944			pcs->iqd = 1;
945		} else {
946			pcs->iqd = 0;
947		}
948	}
949	pcs->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &pcs->iqd, RF_ACTIVE | RF_SHAREABLE);
950	if (pcs->irq == NULL) {
951		device_printf(dev, "could not allocate interrupt\n");
952		goto bad;
953	}
954
955	/* Make sure the lock is set up. */
956	mtx_init(&isp->isp_osinfo.lock, "isp", NULL, MTX_DEF);
957	locksetup++;
958
959	if (isp_setup_intr(dev, pcs->irq, ISP_IFLAGS, NULL, isp_platform_intr, isp, &pcs->ih)) {
960		device_printf(dev, "could not setup interrupt\n");
961		goto bad;
962	}
963
964	/*
965	 * Last minute checks...
966	 */
967	if (IS_23XX(isp) || IS_24XX(isp)) {
968		isp->isp_port = pci_get_function(dev);
969	}
970
971	/*
972	 * Make sure we're in reset state.
973	 */
974	ISP_LOCK(isp);
975	isp_reset(isp, 1);
976	if (isp->isp_state != ISP_RESETSTATE) {
977		ISP_UNLOCK(isp);
978		goto bad;
979	}
980	isp_init(isp);
981	if (isp->isp_state == ISP_INITSTATE) {
982		isp->isp_state = ISP_RUNSTATE;
983	}
984	ISP_UNLOCK(isp);
985	if (isp_attach(isp)) {
986		ISP_LOCK(isp);
987		isp_uninit(isp);
988		ISP_UNLOCK(isp);
989		goto bad;
990	}
991	return (0);
992
993bad:
994	if (pcs->ih) {
995		(void) bus_teardown_intr(dev, pcs->irq, pcs->ih);
996	}
997	if (locksetup) {
998		mtx_destroy(&isp->isp_osinfo.lock);
999	}
1000	if (pcs->irq) {
1001		(void) bus_release_resource(dev, SYS_RES_IRQ, pcs->iqd, pcs->irq);
1002	}
1003	if (pcs->msicount) {
1004		pci_release_msi(dev);
1005	}
1006	if (pcs->regs) {
1007		(void) bus_release_resource(dev, pcs->rtp, pcs->rgd, pcs->regs);
1008	}
1009	if (pcs->pci_isp.isp_param) {
1010		free(pcs->pci_isp.isp_param, M_DEVBUF);
1011		pcs->pci_isp.isp_param = NULL;
1012	}
1013	if (pcs->pci_isp.isp_osinfo.pc.ptr) {
1014		free(pcs->pci_isp.isp_osinfo.pc.ptr, M_DEVBUF);
1015		pcs->pci_isp.isp_osinfo.pc.ptr = NULL;
1016	}
1017	return (ENXIO);
1018}
1019
1020static int
1021isp_pci_detach(device_t dev)
1022{
1023	struct isp_pcisoftc *pcs;
1024	ispsoftc_t *isp;
1025	int status;
1026
1027	pcs = device_get_softc(dev);
1028	if (pcs == NULL) {
1029		return (ENXIO);
1030	}
1031	isp = (ispsoftc_t *) pcs;
1032	status = isp_detach(isp);
1033	if (status)
1034		return (status);
1035	ISP_LOCK(isp);
1036	isp_uninit(isp);
1037	if (pcs->ih) {
1038		(void) bus_teardown_intr(dev, pcs->irq, pcs->ih);
1039	}
1040	ISP_UNLOCK(isp);
1041	mtx_destroy(&isp->isp_osinfo.lock);
1042	(void) bus_release_resource(dev, SYS_RES_IRQ, pcs->iqd, pcs->irq);
1043	if (pcs->msicount) {
1044		pci_release_msi(dev);
1045	}
1046	(void) bus_release_resource(dev, pcs->rtp, pcs->rgd, pcs->regs);
1047	/*
1048	 * XXX: THERE IS A LOT OF LEAKAGE HERE
1049	 */
1050	if (pcs->pci_isp.isp_param) {
1051		free(pcs->pci_isp.isp_param, M_DEVBUF);
1052		pcs->pci_isp.isp_param = NULL;
1053	}
1054	if (pcs->pci_isp.isp_osinfo.pc.ptr) {
1055		free(pcs->pci_isp.isp_osinfo.pc.ptr, M_DEVBUF);
1056		pcs->pci_isp.isp_osinfo.pc.ptr = NULL;
1057	}
1058	return (0);
1059}
1060
1061#define	IspVirt2Off(a, x)	\
1062	(((struct isp_pcisoftc *)a)->pci_poff[((x) & _BLK_REG_MASK) >> \
1063	_BLK_REG_SHFT] + ((x) & 0xfff))
1064
1065#define	BXR2(isp, off)		\
1066	bus_space_read_2(isp->isp_bus_tag, isp->isp_bus_handle, off)
1067#define	BXW2(isp, off, v)	\
1068	bus_space_write_2(isp->isp_bus_tag, isp->isp_bus_handle, off, v)
1069#define	BXR4(isp, off)		\
1070	bus_space_read_4(isp->isp_bus_tag, isp->isp_bus_handle, off)
1071#define	BXW4(isp, off, v)	\
1072	bus_space_write_4(isp->isp_bus_tag, isp->isp_bus_handle, off, v)
1073
1074
1075static ISP_INLINE int
1076isp_pci_rd_debounced(ispsoftc_t *isp, int off, uint16_t *rp)
1077{
1078	uint32_t val0, val1;
1079	int i = 0;
1080
1081	do {
1082		val0 = BXR2(isp, IspVirt2Off(isp, off));
1083		val1 = BXR2(isp, IspVirt2Off(isp, off));
1084	} while (val0 != val1 && ++i < 1000);
1085	if (val0 != val1) {
1086		return (1);
1087	}
1088	*rp = val0;
1089	return (0);
1090}
1091
1092static int
1093isp_pci_rd_isr(ispsoftc_t *isp, uint32_t *isrp, uint16_t *semap, uint16_t *mbp)
1094{
1095	uint16_t isr, sema;
1096
1097	if (IS_2100(isp)) {
1098		if (isp_pci_rd_debounced(isp, BIU_ISR, &isr)) {
1099		    return (0);
1100		}
1101		if (isp_pci_rd_debounced(isp, BIU_SEMA, &sema)) {
1102		    return (0);
1103		}
1104	} else {
1105		isr = BXR2(isp, IspVirt2Off(isp, BIU_ISR));
1106		sema = BXR2(isp, IspVirt2Off(isp, BIU_SEMA));
1107	}
1108	isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema);
1109	isr &= INT_PENDING_MASK(isp);
1110	sema &= BIU_SEMA_LOCK;
1111	if (isr == 0 && sema == 0) {
1112		return (0);
1113	}
1114	*isrp = isr;
1115	if ((*semap = sema) != 0) {
1116		if (IS_2100(isp)) {
1117			if (isp_pci_rd_debounced(isp, OUTMAILBOX0, mbp)) {
1118				return (0);
1119			}
1120		} else {
1121			*mbp = BXR2(isp, IspVirt2Off(isp, OUTMAILBOX0));
1122		}
1123	}
1124	return (1);
1125}
1126
1127static int
1128isp_pci_rd_isr_2300(ispsoftc_t *isp, uint32_t *isrp, uint16_t *semap, uint16_t *mbox0p)
1129{
1130	uint32_t hccr;
1131	uint32_t r2hisr;
1132
1133	if (!(BXR2(isp, IspVirt2Off(isp, BIU_ISR) & BIU2100_ISR_RISC_INT))) {
1134		*isrp = 0;
1135		return (0);
1136	}
1137	r2hisr = BXR4(isp, IspVirt2Off(isp, BIU_R2HSTSLO));
1138	isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr);
1139	if ((r2hisr & BIU_R2HST_INTR) == 0) {
1140		*isrp = 0;
1141		return (0);
1142	}
1143	switch (r2hisr & BIU_R2HST_ISTAT_MASK) {
1144	case ISPR2HST_ROM_MBX_OK:
1145	case ISPR2HST_ROM_MBX_FAIL:
1146	case ISPR2HST_MBX_OK:
1147	case ISPR2HST_MBX_FAIL:
1148	case ISPR2HST_ASYNC_EVENT:
1149		*isrp = r2hisr & 0xffff;
1150		*mbox0p = (r2hisr >> 16);
1151		*semap = 1;
1152		return (1);
1153	case ISPR2HST_RIO_16:
1154		*isrp = r2hisr & 0xffff;
1155		*mbox0p = ASYNC_RIO16_1;
1156		*semap = 1;
1157		return (1);
1158	case ISPR2HST_FPOST:
1159		*isrp = r2hisr & 0xffff;
1160		*mbox0p = ASYNC_CMD_CMPLT;
1161		*semap = 1;
1162		return (1);
1163	case ISPR2HST_FPOST_CTIO:
1164		*isrp = r2hisr & 0xffff;
1165		*mbox0p = ASYNC_CTIO_DONE;
1166		*semap = 1;
1167		return (1);
1168	case ISPR2HST_RSPQ_UPDATE:
1169		*isrp = r2hisr & 0xffff;
1170		*mbox0p = 0;
1171		*semap = 0;
1172		return (1);
1173	default:
1174		hccr = ISP_READ(isp, HCCR);
1175		if (hccr & HCCR_PAUSE) {
1176			ISP_WRITE(isp, HCCR, HCCR_RESET);
1177			isp_prt(isp, ISP_LOGERR, "RISC paused at interrupt (%x->%x)", hccr, ISP_READ(isp, HCCR));
1178			ISP_WRITE(isp, BIU_ICR, 0);
1179		} else {
1180			isp_prt(isp, ISP_LOGERR, "unknown interrupt 0x%x\n", r2hisr);
1181		}
1182		return (0);
1183	}
1184}
1185
1186static int
1187isp_pci_rd_isr_2400(ispsoftc_t *isp, uint32_t *isrp, uint16_t *semap, uint16_t *mbox0p)
1188{
1189	uint32_t r2hisr;
1190
1191	r2hisr = BXR4(isp, IspVirt2Off(isp, BIU2400_R2HSTSLO));
1192	isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr);
1193	if ((r2hisr & BIU2400_R2HST_INTR) == 0) {
1194		*isrp = 0;
1195		return (0);
1196	}
1197	switch (r2hisr & BIU2400_R2HST_ISTAT_MASK) {
1198	case ISP2400R2HST_ROM_MBX_OK:
1199	case ISP2400R2HST_ROM_MBX_FAIL:
1200	case ISP2400R2HST_MBX_OK:
1201	case ISP2400R2HST_MBX_FAIL:
1202	case ISP2400R2HST_ASYNC_EVENT:
1203		*isrp = r2hisr & 0xffff;
1204		*mbox0p = (r2hisr >> 16);
1205		*semap = 1;
1206		return (1);
1207	case ISP2400R2HST_RSPQ_UPDATE:
1208	case ISP2400R2HST_ATIO_RSPQ_UPDATE:
1209	case ISP2400R2HST_ATIO_RQST_UPDATE:
1210		*isrp = r2hisr & 0xffff;
1211		*mbox0p = 0;
1212		*semap = 0;
1213		return (1);
1214	default:
1215		ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT);
1216		isp_prt(isp, ISP_LOGERR, "unknown interrupt 0x%x\n", r2hisr);
1217		return (0);
1218	}
1219}
1220
1221static uint32_t
1222isp_pci_rd_reg(ispsoftc_t *isp, int regoff)
1223{
1224	uint16_t rv;
1225	int oldconf = 0;
1226
1227	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1228		/*
1229		 * We will assume that someone has paused the RISC processor.
1230		 */
1231		oldconf = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1232		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf | BIU_PCI_CONF1_SXP);
1233		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1234	}
1235	rv = BXR2(isp, IspVirt2Off(isp, regoff));
1236	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1237		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf);
1238		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1239	}
1240	return (rv);
1241}
1242
1243static void
1244isp_pci_wr_reg(ispsoftc_t *isp, int regoff, uint32_t val)
1245{
1246	int oldconf = 0;
1247
1248	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1249		/*
1250		 * We will assume that someone has paused the RISC processor.
1251		 */
1252		oldconf = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1253		BXW2(isp, IspVirt2Off(isp, BIU_CONF1),
1254		    oldconf | BIU_PCI_CONF1_SXP);
1255		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1256	}
1257	BXW2(isp, IspVirt2Off(isp, regoff), val);
1258	MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2, -1);
1259	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1260		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf);
1261		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1262	}
1263
1264}
1265
1266static uint32_t
1267isp_pci_rd_reg_1080(ispsoftc_t *isp, int regoff)
1268{
1269	uint32_t rv, oc = 0;
1270
1271	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK ||
1272	    (regoff & _BLK_REG_MASK) == (SXP_BLOCK|SXP_BANK1_SELECT)) {
1273		uint32_t tc;
1274		/*
1275		 * We will assume that someone has paused the RISC processor.
1276		 */
1277		oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1278		tc = oc & ~BIU_PCI1080_CONF1_DMA;
1279		if (regoff & SXP_BANK1_SELECT)
1280			tc |= BIU_PCI1080_CONF1_SXP1;
1281		else
1282			tc |= BIU_PCI1080_CONF1_SXP0;
1283		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), tc);
1284		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1285	} else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
1286		oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1287		BXW2(isp, IspVirt2Off(isp, BIU_CONF1),
1288		    oc | BIU_PCI1080_CONF1_DMA);
1289		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1290	}
1291	rv = BXR2(isp, IspVirt2Off(isp, regoff));
1292	if (oc) {
1293		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oc);
1294		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1295	}
1296	return (rv);
1297}
1298
1299static void
1300isp_pci_wr_reg_1080(ispsoftc_t *isp, int regoff, uint32_t val)
1301{
1302	int oc = 0;
1303
1304	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK ||
1305	    (regoff & _BLK_REG_MASK) == (SXP_BLOCK|SXP_BANK1_SELECT)) {
1306		uint32_t tc;
1307		/*
1308		 * We will assume that someone has paused the RISC processor.
1309		 */
1310		oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1311		tc = oc & ~BIU_PCI1080_CONF1_DMA;
1312		if (regoff & SXP_BANK1_SELECT)
1313			tc |= BIU_PCI1080_CONF1_SXP1;
1314		else
1315			tc |= BIU_PCI1080_CONF1_SXP0;
1316		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), tc);
1317		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1318	} else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
1319		oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1320		BXW2(isp, IspVirt2Off(isp, BIU_CONF1),
1321		    oc | BIU_PCI1080_CONF1_DMA);
1322		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1323	}
1324	BXW2(isp, IspVirt2Off(isp, regoff), val);
1325	MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2, -1);
1326	if (oc) {
1327		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oc);
1328		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
1329	}
1330}
1331
1332static uint32_t
1333isp_pci_rd_reg_2400(ispsoftc_t *isp, int regoff)
1334{
1335	uint32_t rv;
1336	int block = regoff & _BLK_REG_MASK;
1337
1338	switch (block) {
1339	case BIU_BLOCK:
1340		break;
1341	case MBOX_BLOCK:
1342		return (BXR2(isp, IspVirt2Off(isp, regoff)));
1343	case SXP_BLOCK:
1344		isp_prt(isp, ISP_LOGWARN, "SXP_BLOCK read at 0x%x", regoff);
1345		return (0xffffffff);
1346	case RISC_BLOCK:
1347		isp_prt(isp, ISP_LOGWARN, "RISC_BLOCK read at 0x%x", regoff);
1348		return (0xffffffff);
1349	case DMA_BLOCK:
1350		isp_prt(isp, ISP_LOGWARN, "DMA_BLOCK read at 0x%x", regoff);
1351		return (0xffffffff);
1352	default:
1353		isp_prt(isp, ISP_LOGWARN, "unknown block read at 0x%x", regoff);
1354		return (0xffffffff);
1355	}
1356
1357
1358	switch (regoff) {
1359	case BIU2400_FLASH_ADDR:
1360	case BIU2400_FLASH_DATA:
1361	case BIU2400_ICR:
1362	case BIU2400_ISR:
1363	case BIU2400_CSR:
1364	case BIU2400_REQINP:
1365	case BIU2400_REQOUTP:
1366	case BIU2400_RSPINP:
1367	case BIU2400_RSPOUTP:
1368	case BIU2400_PRI_REQINP:
1369	case BIU2400_PRI_REQOUTP:
1370	case BIU2400_ATIO_RSPINP:
1371	case BIU2400_ATIO_RSPOUTP:
1372	case BIU2400_HCCR:
1373	case BIU2400_GPIOD:
1374	case BIU2400_GPIOE:
1375	case BIU2400_HSEMA:
1376		rv = BXR4(isp, IspVirt2Off(isp, regoff));
1377		break;
1378	case BIU2400_R2HSTSLO:
1379		rv = BXR4(isp, IspVirt2Off(isp, regoff));
1380		break;
1381	case BIU2400_R2HSTSHI:
1382		rv = BXR4(isp, IspVirt2Off(isp, regoff)) >> 16;
1383		break;
1384	default:
1385		isp_prt(isp, ISP_LOGERR,
1386		    "isp_pci_rd_reg_2400: unknown offset %x", regoff);
1387		rv = 0xffffffff;
1388		break;
1389	}
1390	return (rv);
1391}
1392
1393static void
1394isp_pci_wr_reg_2400(ispsoftc_t *isp, int regoff, uint32_t val)
1395{
1396	int block = regoff & _BLK_REG_MASK;
1397
1398	switch (block) {
1399	case BIU_BLOCK:
1400		break;
1401	case MBOX_BLOCK:
1402		BXW2(isp, IspVirt2Off(isp, regoff), val);
1403		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2, -1);
1404		return;
1405	case SXP_BLOCK:
1406		isp_prt(isp, ISP_LOGWARN, "SXP_BLOCK write at 0x%x", regoff);
1407		return;
1408	case RISC_BLOCK:
1409		isp_prt(isp, ISP_LOGWARN, "RISC_BLOCK write at 0x%x", regoff);
1410		return;
1411	case DMA_BLOCK:
1412		isp_prt(isp, ISP_LOGWARN, "DMA_BLOCK write at 0x%x", regoff);
1413		return;
1414	default:
1415		isp_prt(isp, ISP_LOGWARN, "unknown block write at 0x%x",
1416		    regoff);
1417		break;
1418	}
1419
1420	switch (regoff) {
1421	case BIU2400_FLASH_ADDR:
1422	case BIU2400_FLASH_DATA:
1423	case BIU2400_ICR:
1424	case BIU2400_ISR:
1425	case BIU2400_CSR:
1426	case BIU2400_REQINP:
1427	case BIU2400_REQOUTP:
1428	case BIU2400_RSPINP:
1429	case BIU2400_RSPOUTP:
1430	case BIU2400_PRI_REQINP:
1431	case BIU2400_PRI_REQOUTP:
1432	case BIU2400_ATIO_RSPINP:
1433	case BIU2400_ATIO_RSPOUTP:
1434	case BIU2400_HCCR:
1435	case BIU2400_GPIOD:
1436	case BIU2400_GPIOE:
1437	case BIU2400_HSEMA:
1438		BXW4(isp, IspVirt2Off(isp, regoff), val);
1439		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 4, -1);
1440		break;
1441	default:
1442		isp_prt(isp, ISP_LOGERR,
1443		    "isp_pci_wr_reg_2400: bad offset 0x%x", regoff);
1444		break;
1445	}
1446}
1447
1448
1449struct imush {
1450	ispsoftc_t *isp;
1451	caddr_t vbase;
1452	int chan;
1453	int error;
1454};
1455
1456static void imc(void *, bus_dma_segment_t *, int, int);
1457static void imc1(void *, bus_dma_segment_t *, int, int);
1458
1459static void
1460imc(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1461{
1462	struct imush *imushp = (struct imush *) arg;
1463	isp_ecmd_t *ecmd;
1464
1465	if (error) {
1466		imushp->error = error;
1467		return;
1468	}
1469	if (nseg != 1) {
1470		imushp->error = EINVAL;
1471		return;
1472	}
1473	isp_prt(imushp->isp, ISP_LOGDEBUG0, "request/result area @ 0x%jx/0x%jx", (uintmax_t) segs->ds_addr, (uintmax_t) segs->ds_len);
1474
1475	imushp->isp->isp_rquest = imushp->vbase;
1476	imushp->isp->isp_rquest_dma = segs->ds_addr;
1477	segs->ds_addr += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(imushp->isp));
1478	imushp->vbase += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(imushp->isp));
1479
1480	imushp->isp->isp_result_dma = segs->ds_addr;
1481	imushp->isp->isp_result = imushp->vbase;
1482	segs->ds_addr += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(imushp->isp));
1483	imushp->vbase += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(imushp->isp));
1484
1485	if (imushp->isp->isp_type >= ISP_HA_FC_2300) {
1486        imushp->isp->isp_osinfo.ecmd_dma = segs->ds_addr;
1487        imushp->isp->isp_osinfo.ecmd_free = (isp_ecmd_t *)imushp->vbase;
1488        imushp->isp->isp_osinfo.ecmd_base = imushp->isp->isp_osinfo.ecmd_free;
1489        for (ecmd = imushp->isp->isp_osinfo.ecmd_free; ecmd < &imushp->isp->isp_osinfo.ecmd_free[N_XCMDS]; ecmd++) {
1490            if (ecmd == &imushp->isp->isp_osinfo.ecmd_free[N_XCMDS - 1]) {
1491                ecmd->next = NULL;
1492            } else {
1493                ecmd->next = ecmd + 1;
1494            }
1495        }
1496    }
1497#ifdef	ISP_TARGET_MODE
1498	segs->ds_addr += (N_XCMDS * XCMD_SIZE);
1499	imushp->vbase += (N_XCMDS * XCMD_SIZE);
1500	if (IS_24XX(imushp->isp)) {
1501		imushp->isp->isp_atioq_dma = segs->ds_addr;
1502		imushp->isp->isp_atioq = imushp->vbase;
1503	}
1504#endif
1505}
1506
1507static void
1508imc1(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1509{
1510	struct imush *imushp = (struct imush *) arg;
1511	if (error) {
1512		imushp->error = error;
1513		return;
1514	}
1515	if (nseg != 1) {
1516		imushp->error = EINVAL;
1517		return;
1518	}
1519	isp_prt(imushp->isp, ISP_LOGDEBUG0, "scdma @ 0x%jx/0x%jx", (uintmax_t) segs->ds_addr, (uintmax_t) segs->ds_len);
1520	FCPARAM(imushp->isp, imushp->chan)->isp_scdma = segs->ds_addr;
1521	FCPARAM(imushp->isp, imushp->chan)->isp_scratch = imushp->vbase;
1522}
1523
1524static int
1525isp_pci_mbxdma(ispsoftc_t *isp)
1526{
1527	caddr_t base;
1528	uint32_t len;
1529	int i, error, ns, cmap = 0;
1530	bus_size_t slim;	/* segment size */
1531	bus_addr_t llim;	/* low limit of unavailable dma */
1532	bus_addr_t hlim;	/* high limit of unavailable dma */
1533	struct imush im;
1534
1535	/*
1536	 * Already been here? If so, leave...
1537	 */
1538	if (isp->isp_rquest) {
1539		return (0);
1540	}
1541	ISP_UNLOCK(isp);
1542
1543	if (isp->isp_maxcmds == 0) {
1544		isp_prt(isp, ISP_LOGERR, "maxcmds not set");
1545		ISP_LOCK(isp);
1546		return (1);
1547	}
1548
1549	hlim = BUS_SPACE_MAXADDR;
1550	if (IS_ULTRA2(isp) || IS_FC(isp) || IS_1240(isp)) {
1551		if (sizeof (bus_size_t) > 4) {
1552			slim = (bus_size_t) (1ULL << 32);
1553		} else {
1554			slim = (bus_size_t) (1UL << 31);
1555		}
1556		llim = BUS_SPACE_MAXADDR;
1557	} else {
1558		llim = BUS_SPACE_MAXADDR_32BIT;
1559		slim = (1UL << 24);
1560	}
1561
1562	len = isp->isp_maxcmds * sizeof (struct isp_pcmd);
1563	isp->isp_osinfo.pcmd_pool = (struct isp_pcmd *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
1564	if (isp->isp_osinfo.pcmd_pool == NULL) {
1565		isp_prt(isp, ISP_LOGERR, "cannot allocate pcmds");
1566		ISP_LOCK(isp);
1567		return (1);
1568	}
1569
1570#ifdef	ISP_TARGET_MODE
1571	/*
1572	 * XXX: We don't really support 64 bit target mode for parallel scsi yet
1573	 */
1574	if (IS_SCSI(isp) && isp->isp_osinfo.sixtyfourbit) {
1575		free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1576		isp_prt(isp, ISP_LOGERR, "we cannot do DAC for SPI cards yet");
1577		ISP_LOCK(isp);
1578		return (1);
1579	}
1580#endif
1581
1582	if (isp_dma_tag_create(BUS_DMA_ROOTARG(ISP_PCD(isp)), 1, slim, llim, hlim, NULL, NULL, BUS_SPACE_MAXSIZE, ISP_NSEGS, slim, 0, &isp->isp_osinfo.dmat)) {
1583		free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1584		ISP_LOCK(isp);
1585		isp_prt(isp, ISP_LOGERR, "could not create master dma tag");
1586		return (1);
1587	}
1588
1589	len = sizeof (isp_hdl_t) * isp->isp_maxcmds;
1590	isp->isp_xflist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
1591	if (isp->isp_xflist == NULL) {
1592		free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1593		ISP_LOCK(isp);
1594		isp_prt(isp, ISP_LOGERR, "cannot alloc xflist array");
1595		return (1);
1596	}
1597	for (len = 0; len < isp->isp_maxcmds - 1; len++) {
1598		isp->isp_xflist[len].cmd = &isp->isp_xflist[len+1];
1599	}
1600	isp->isp_xffree = isp->isp_xflist;
1601#ifdef	ISP_TARGET_MODE
1602	len = sizeof (isp_hdl_t) * isp->isp_maxcmds;
1603	isp->isp_tgtlist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
1604	if (isp->isp_tgtlist == NULL) {
1605		free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1606		free(isp->isp_xflist, M_DEVBUF);
1607		ISP_LOCK(isp);
1608		isp_prt(isp, ISP_LOGERR, "cannot alloc tgtlist array");
1609		return (1);
1610	}
1611	for (len = 0; len < isp->isp_maxcmds - 1; len++) {
1612		isp->isp_tgtlist[len].cmd = &isp->isp_tgtlist[len+1];
1613	}
1614	isp->isp_tgtfree = isp->isp_tgtlist;
1615#endif
1616
1617	/*
1618	 * Allocate and map the request and result queues (and ATIO queue
1619	 * if we're a 2400 supporting target mode), and a region for
1620	 * external dma addressable command/status structures (23XX and
1621	 * later).
1622	 */
1623	len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
1624	len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
1625#ifdef	ISP_TARGET_MODE
1626	if (IS_24XX(isp)) {
1627		len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
1628	}
1629#endif
1630	if (isp->isp_type >= ISP_HA_FC_2300) {
1631		len += (N_XCMDS * XCMD_SIZE);
1632	}
1633	ns = (len / PAGE_SIZE) + 1;
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, ns, 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
1924	mp = &mush;
1925	mp->isp = isp;
1926	mp->cmd_token = csio;
1927	mp->rq = ff;
1928	mp->error = 0;
1929	mp->mapsize = 0;
1930
1931#ifdef	ISP_TARGET_MODE
1932	if (csio->ccb_h.func_code == XPT_CONT_TARGET_IO) {
1933		eptr = tdma2;
1934		eptr2 = tdma2_2;
1935	} else
1936#endif
1937	{
1938		eptr = dma2;
1939		eptr2 = dma2_2;
1940	}
1941
1942
1943	if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_NONE || (csio->dxfer_len == 0)) {
1944		(*eptr)(mp, NULL, 0, 0);
1945	} else if ((csio->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
1946		if ((csio->ccb_h.flags & CAM_DATA_PHYS) == 0) {
1947			int error;
1948			error = bus_dmamap_load(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, csio->data_ptr, csio->dxfer_len, eptr, mp, 0);
1949#if 0
1950			xpt_print(csio->ccb_h.path, "%s: bus_dmamap_load " "ptr %p len %d returned %d\n", __func__, csio->data_ptr, csio->dxfer_len, error);
1951#endif
1952
1953			if (error == EINPROGRESS) {
1954				bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
1955				mp->error = EINVAL;
1956				isp_prt(isp, ISP_LOGERR, "deferred dma allocation not supported");
1957			} else if (error && mp->error == 0) {
1958#ifdef	DIAGNOSTIC
1959				isp_prt(isp, ISP_LOGERR, "error %d in dma mapping code", error);
1960#endif
1961				mp->error = error;
1962			}
1963		} else {
1964			/* Pointer to physical buffer */
1965			struct bus_dma_segment seg;
1966			seg.ds_addr = (bus_addr_t)(vm_offset_t)csio->data_ptr;
1967			seg.ds_len = csio->dxfer_len;
1968			(*eptr)(mp, &seg, 1, 0);
1969		}
1970	} else {
1971		struct bus_dma_segment *segs;
1972
1973		if ((csio->ccb_h.flags & CAM_DATA_PHYS) != 0) {
1974			isp_prt(isp, ISP_LOGERR, "Physical segment pointers unsupported");
1975			mp->error = EINVAL;
1976		} else if ((csio->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) {
1977			struct uio sguio;
1978			int error;
1979
1980			/*
1981			 * We're taking advantage of the fact that
1982			 * the pointer/length sizes and layout of the iovec
1983			 * structure are the same as the bus_dma_segment
1984			 * structure.  This might be a little dangerous,
1985			 * but only if they change the structures, which
1986			 * seems unlikely.
1987			 */
1988			KASSERT((sizeof (sguio.uio_iov) == sizeof (csio->data_ptr) &&
1989			    sizeof (sguio.uio_iovcnt) >= sizeof (csio->sglist_cnt) &&
1990			    sizeof (sguio.uio_resid) >= sizeof (csio->dxfer_len)), ("Ken's assumption failed"));
1991			sguio.uio_iov = (struct iovec *)csio->data_ptr;
1992			sguio.uio_iovcnt = csio->sglist_cnt;
1993			sguio.uio_resid = csio->dxfer_len;
1994			sguio.uio_segflg = UIO_SYSSPACE;
1995
1996			error = bus_dmamap_load_uio(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, &sguio, eptr2, mp, 0);
1997
1998			if (error != 0 && mp->error == 0) {
1999				isp_prt(isp, ISP_LOGERR, "error %d in dma mapping code", error);
2000				mp->error = error;
2001			}
2002		} else {
2003			/* Just use the segments provided */
2004			segs = (struct bus_dma_segment *) csio->data_ptr;
2005			(*eptr)(mp, segs, csio->sglist_cnt, 0);
2006		}
2007	}
2008	if (mp->error) {
2009		int retval = CMD_COMPLETE;
2010		if (mp->error == MUSHERR_NOQENTRIES) {
2011			retval = CMD_EAGAIN;
2012		} else if (mp->error == EFBIG) {
2013			csio->ccb_h.status = CAM_REQ_TOO_BIG;
2014		} else if (mp->error == EINVAL) {
2015			csio->ccb_h.status = CAM_REQ_INVALID;
2016		} else {
2017			csio->ccb_h.status = CAM_UNREC_HBA_ERROR;
2018		}
2019		return (retval);
2020	}
2021	return (CMD_QUEUED);
2022}
2023
2024static void
2025isp_pci_reset0(ispsoftc_t *isp)
2026{
2027	ISP_DISABLE_INTS(isp);
2028}
2029
2030static void
2031isp_pci_reset1(ispsoftc_t *isp)
2032{
2033	if (!IS_24XX(isp)) {
2034		/* Make sure the BIOS is disabled */
2035		isp_pci_wr_reg(isp, HCCR, PCI_HCCR_CMD_BIOS);
2036	}
2037	/* and enable interrupts */
2038	ISP_ENABLE_INTS(isp);
2039}
2040
2041static void
2042isp_pci_dumpregs(ispsoftc_t *isp, const char *msg)
2043{
2044	struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
2045	if (msg)
2046		printf("%s: %s\n", device_get_nameunit(isp->isp_dev), msg);
2047	else
2048		printf("%s:\n", device_get_nameunit(isp->isp_dev));
2049	if (IS_SCSI(isp))
2050		printf("    biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
2051	else
2052		printf("    biu_csr=%x", ISP_READ(isp, BIU2100_CSR));
2053	printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
2054	    ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
2055	printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
2056
2057
2058	if (IS_SCSI(isp)) {
2059		ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
2060		printf("    cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
2061			ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
2062			ISP_READ(isp, CDMA_FIFO_STS));
2063		printf("    ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
2064			ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
2065			ISP_READ(isp, DDMA_FIFO_STS));
2066		printf("    sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
2067			ISP_READ(isp, SXP_INTERRUPT),
2068			ISP_READ(isp, SXP_GROSS_ERR),
2069			ISP_READ(isp, SXP_PINS_CTRL));
2070		ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
2071	}
2072	printf("    mbox regs: %x %x %x %x %x\n",
2073	    ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
2074	    ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
2075	    ISP_READ(isp, OUTMAILBOX4));
2076	printf("    PCI Status Command/Status=%x\n",
2077	    pci_read_config(pcs->pci_dev, PCIR_COMMAND, 1));
2078}
2079