isp_pci.c revision 203444
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 203444 2010-02-03 21:09:32Z 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#include <dev/isp/isp_freebsd.h>
50
51static uint32_t isp_pci_rd_reg(ispsoftc_t *, int);
52static void isp_pci_wr_reg(ispsoftc_t *, int, uint32_t);
53static uint32_t isp_pci_rd_reg_1080(ispsoftc_t *, int);
54static void isp_pci_wr_reg_1080(ispsoftc_t *, int, uint32_t);
55static uint32_t isp_pci_rd_reg_2400(ispsoftc_t *, int);
56static void isp_pci_wr_reg_2400(ispsoftc_t *, int, uint32_t);
57static int isp_pci_rd_isr(ispsoftc_t *, uint32_t *, uint16_t *, uint16_t *);
58static int isp_pci_rd_isr_2300(ispsoftc_t *, uint32_t *, uint16_t *, uint16_t *);
59static int isp_pci_rd_isr_2400(ispsoftc_t *, uint32_t *, uint16_t *, uint16_t *);
60static int isp_pci_mbxdma(ispsoftc_t *);
61static int isp_pci_dmasetup(ispsoftc_t *, XS_T *, void *);
62
63
64static void isp_pci_reset0(ispsoftc_t *);
65static void isp_pci_reset1(ispsoftc_t *);
66static void isp_pci_dumpregs(ispsoftc_t *, const char *);
67
68static struct ispmdvec mdvec = {
69	isp_pci_rd_isr,
70	isp_pci_rd_reg,
71	isp_pci_wr_reg,
72	isp_pci_mbxdma,
73	isp_pci_dmasetup,
74	isp_common_dmateardown,
75	isp_pci_reset0,
76	isp_pci_reset1,
77	isp_pci_dumpregs,
78	NULL,
79	BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
80};
81
82static struct ispmdvec mdvec_1080 = {
83	isp_pci_rd_isr,
84	isp_pci_rd_reg_1080,
85	isp_pci_wr_reg_1080,
86	isp_pci_mbxdma,
87	isp_pci_dmasetup,
88	isp_common_dmateardown,
89	isp_pci_reset0,
90	isp_pci_reset1,
91	isp_pci_dumpregs,
92	NULL,
93	BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
94};
95
96static struct ispmdvec mdvec_12160 = {
97	isp_pci_rd_isr,
98	isp_pci_rd_reg_1080,
99	isp_pci_wr_reg_1080,
100	isp_pci_mbxdma,
101	isp_pci_dmasetup,
102	isp_common_dmateardown,
103	isp_pci_reset0,
104	isp_pci_reset1,
105	isp_pci_dumpregs,
106	NULL,
107	BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
108};
109
110static struct ispmdvec mdvec_2100 = {
111	isp_pci_rd_isr,
112	isp_pci_rd_reg,
113	isp_pci_wr_reg,
114	isp_pci_mbxdma,
115	isp_pci_dmasetup,
116	isp_common_dmateardown,
117	isp_pci_reset0,
118	isp_pci_reset1,
119	isp_pci_dumpregs
120};
121
122static struct ispmdvec mdvec_2200 = {
123	isp_pci_rd_isr,
124	isp_pci_rd_reg,
125	isp_pci_wr_reg,
126	isp_pci_mbxdma,
127	isp_pci_dmasetup,
128	isp_common_dmateardown,
129	isp_pci_reset0,
130	isp_pci_reset1,
131	isp_pci_dumpregs
132};
133
134static struct ispmdvec mdvec_2300 = {
135	isp_pci_rd_isr_2300,
136	isp_pci_rd_reg,
137	isp_pci_wr_reg,
138	isp_pci_mbxdma,
139	isp_pci_dmasetup,
140	isp_common_dmateardown,
141	isp_pci_reset0,
142	isp_pci_reset1,
143	isp_pci_dumpregs
144};
145
146static struct ispmdvec mdvec_2400 = {
147	isp_pci_rd_isr_2400,
148	isp_pci_rd_reg_2400,
149	isp_pci_wr_reg_2400,
150	isp_pci_mbxdma,
151	isp_pci_dmasetup,
152	isp_common_dmateardown,
153	isp_pci_reset0,
154	isp_pci_reset1,
155	NULL
156};
157
158static struct ispmdvec mdvec_2500 = {
159	isp_pci_rd_isr_2400,
160	isp_pci_rd_reg_2400,
161	isp_pci_wr_reg_2400,
162	isp_pci_mbxdma,
163	isp_pci_dmasetup,
164	isp_common_dmateardown,
165	isp_pci_reset0,
166	isp_pci_reset1,
167	NULL
168};
169
170#ifndef	PCIM_CMD_INVEN
171#define	PCIM_CMD_INVEN			0x10
172#endif
173#ifndef	PCIM_CMD_BUSMASTEREN
174#define	PCIM_CMD_BUSMASTEREN		0x0004
175#endif
176#ifndef	PCIM_CMD_PERRESPEN
177#define	PCIM_CMD_PERRESPEN		0x0040
178#endif
179#ifndef	PCIM_CMD_SEREN
180#define	PCIM_CMD_SEREN			0x0100
181#endif
182#ifndef	PCIM_CMD_INTX_DISABLE
183#define	PCIM_CMD_INTX_DISABLE		0x0400
184#endif
185
186#ifndef	PCIR_COMMAND
187#define	PCIR_COMMAND			0x04
188#endif
189
190#ifndef	PCIR_CACHELNSZ
191#define	PCIR_CACHELNSZ			0x0c
192#endif
193
194#ifndef	PCIR_LATTIMER
195#define	PCIR_LATTIMER			0x0d
196#endif
197
198#ifndef	PCIR_ROMADDR
199#define	PCIR_ROMADDR			0x30
200#endif
201
202#ifndef	PCI_VENDOR_QLOGIC
203#define	PCI_VENDOR_QLOGIC		0x1077
204#endif
205
206#ifndef	PCI_PRODUCT_QLOGIC_ISP1020
207#define	PCI_PRODUCT_QLOGIC_ISP1020	0x1020
208#endif
209
210#ifndef	PCI_PRODUCT_QLOGIC_ISP1080
211#define	PCI_PRODUCT_QLOGIC_ISP1080	0x1080
212#endif
213
214#ifndef	PCI_PRODUCT_QLOGIC_ISP10160
215#define	PCI_PRODUCT_QLOGIC_ISP10160	0x1016
216#endif
217
218#ifndef	PCI_PRODUCT_QLOGIC_ISP12160
219#define	PCI_PRODUCT_QLOGIC_ISP12160	0x1216
220#endif
221
222#ifndef	PCI_PRODUCT_QLOGIC_ISP1240
223#define	PCI_PRODUCT_QLOGIC_ISP1240	0x1240
224#endif
225
226#ifndef	PCI_PRODUCT_QLOGIC_ISP1280
227#define	PCI_PRODUCT_QLOGIC_ISP1280	0x1280
228#endif
229
230#ifndef	PCI_PRODUCT_QLOGIC_ISP2100
231#define	PCI_PRODUCT_QLOGIC_ISP2100	0x2100
232#endif
233
234#ifndef	PCI_PRODUCT_QLOGIC_ISP2200
235#define	PCI_PRODUCT_QLOGIC_ISP2200	0x2200
236#endif
237
238#ifndef	PCI_PRODUCT_QLOGIC_ISP2300
239#define	PCI_PRODUCT_QLOGIC_ISP2300	0x2300
240#endif
241
242#ifndef	PCI_PRODUCT_QLOGIC_ISP2312
243#define	PCI_PRODUCT_QLOGIC_ISP2312	0x2312
244#endif
245
246#ifndef	PCI_PRODUCT_QLOGIC_ISP2322
247#define	PCI_PRODUCT_QLOGIC_ISP2322	0x2322
248#endif
249
250#ifndef	PCI_PRODUCT_QLOGIC_ISP2422
251#define	PCI_PRODUCT_QLOGIC_ISP2422	0x2422
252#endif
253
254#ifndef	PCI_PRODUCT_QLOGIC_ISP2432
255#define	PCI_PRODUCT_QLOGIC_ISP2432	0x2432
256#endif
257
258#ifndef	PCI_PRODUCT_QLOGIC_ISP2532
259#define	PCI_PRODUCT_QLOGIC_ISP2532	0x2532
260#endif
261
262#ifndef	PCI_PRODUCT_QLOGIC_ISP6312
263#define	PCI_PRODUCT_QLOGIC_ISP6312	0x6312
264#endif
265
266#ifndef	PCI_PRODUCT_QLOGIC_ISP6322
267#define	PCI_PRODUCT_QLOGIC_ISP6322	0x6322
268#endif
269
270
271#define	PCI_QLOGIC_ISP1020	\
272	((PCI_PRODUCT_QLOGIC_ISP1020 << 16) | PCI_VENDOR_QLOGIC)
273
274#define	PCI_QLOGIC_ISP1080	\
275	((PCI_PRODUCT_QLOGIC_ISP1080 << 16) | PCI_VENDOR_QLOGIC)
276
277#define	PCI_QLOGIC_ISP10160	\
278	((PCI_PRODUCT_QLOGIC_ISP10160 << 16) | PCI_VENDOR_QLOGIC)
279
280#define	PCI_QLOGIC_ISP12160	\
281	((PCI_PRODUCT_QLOGIC_ISP12160 << 16) | PCI_VENDOR_QLOGIC)
282
283#define	PCI_QLOGIC_ISP1240	\
284	((PCI_PRODUCT_QLOGIC_ISP1240 << 16) | PCI_VENDOR_QLOGIC)
285
286#define	PCI_QLOGIC_ISP1280	\
287	((PCI_PRODUCT_QLOGIC_ISP1280 << 16) | PCI_VENDOR_QLOGIC)
288
289#define	PCI_QLOGIC_ISP2100	\
290	((PCI_PRODUCT_QLOGIC_ISP2100 << 16) | PCI_VENDOR_QLOGIC)
291
292#define	PCI_QLOGIC_ISP2200	\
293	((PCI_PRODUCT_QLOGIC_ISP2200 << 16) | PCI_VENDOR_QLOGIC)
294
295#define	PCI_QLOGIC_ISP2300	\
296	((PCI_PRODUCT_QLOGIC_ISP2300 << 16) | PCI_VENDOR_QLOGIC)
297
298#define	PCI_QLOGIC_ISP2312	\
299	((PCI_PRODUCT_QLOGIC_ISP2312 << 16) | PCI_VENDOR_QLOGIC)
300
301#define	PCI_QLOGIC_ISP2322	\
302	((PCI_PRODUCT_QLOGIC_ISP2322 << 16) | PCI_VENDOR_QLOGIC)
303
304#define	PCI_QLOGIC_ISP2422	\
305	((PCI_PRODUCT_QLOGIC_ISP2422 << 16) | PCI_VENDOR_QLOGIC)
306
307#define	PCI_QLOGIC_ISP2432	\
308	((PCI_PRODUCT_QLOGIC_ISP2432 << 16) | PCI_VENDOR_QLOGIC)
309
310#define	PCI_QLOGIC_ISP2532	\
311	((PCI_PRODUCT_QLOGIC_ISP2532 << 16) | PCI_VENDOR_QLOGIC)
312
313#define	PCI_QLOGIC_ISP6312	\
314	((PCI_PRODUCT_QLOGIC_ISP6312 << 16) | PCI_VENDOR_QLOGIC)
315
316#define	PCI_QLOGIC_ISP6322	\
317	((PCI_PRODUCT_QLOGIC_ISP6322 << 16) | PCI_VENDOR_QLOGIC)
318
319/*
320 * Odd case for some AMI raid cards... We need to *not* attach to this.
321 */
322#define	AMI_RAID_SUBVENDOR_ID	0x101e
323
324#define	IO_MAP_REG	0x10
325#define	MEM_MAP_REG	0x14
326
327#define	PCI_DFLT_LTNCY	0x40
328#define	PCI_DFLT_LNSZ	0x10
329
330static int isp_pci_probe (device_t);
331static int isp_pci_attach (device_t);
332static int isp_pci_detach (device_t);
333
334
335#define	ISP_PCD(isp)	((struct isp_pcisoftc *)isp)->pci_dev
336struct isp_pcisoftc {
337	ispsoftc_t			pci_isp;
338	device_t			pci_dev;
339	struct resource *		pci_reg;
340	void *				ih;
341	int16_t				pci_poff[_NREG_BLKS];
342	bus_dma_tag_t			dmat;
343	int				msicount;
344};
345
346
347static device_method_t isp_pci_methods[] = {
348	/* Device interface */
349	DEVMETHOD(device_probe,		isp_pci_probe),
350	DEVMETHOD(device_attach,	isp_pci_attach),
351	DEVMETHOD(device_detach,	isp_pci_detach),
352	{ 0, 0 }
353};
354
355static driver_t isp_pci_driver = {
356	"isp", isp_pci_methods, sizeof (struct isp_pcisoftc)
357};
358static devclass_t isp_devclass;
359DRIVER_MODULE(isp, pci, isp_pci_driver, isp_devclass, 0, 0);
360
361static int
362isp_pci_probe(device_t dev)
363{
364	switch ((pci_get_device(dev) << 16) | (pci_get_vendor(dev))) {
365	case PCI_QLOGIC_ISP1020:
366		device_set_desc(dev, "Qlogic ISP 1020/1040 PCI SCSI Adapter");
367		break;
368	case PCI_QLOGIC_ISP1080:
369		device_set_desc(dev, "Qlogic ISP 1080 PCI SCSI Adapter");
370		break;
371	case PCI_QLOGIC_ISP1240:
372		device_set_desc(dev, "Qlogic ISP 1240 PCI SCSI Adapter");
373		break;
374	case PCI_QLOGIC_ISP1280:
375		device_set_desc(dev, "Qlogic ISP 1280 PCI SCSI Adapter");
376		break;
377	case PCI_QLOGIC_ISP10160:
378		device_set_desc(dev, "Qlogic ISP 10160 PCI SCSI Adapter");
379		break;
380	case PCI_QLOGIC_ISP12160:
381		if (pci_get_subvendor(dev) == AMI_RAID_SUBVENDOR_ID) {
382			return (ENXIO);
383		}
384		device_set_desc(dev, "Qlogic ISP 12160 PCI SCSI Adapter");
385		break;
386	case PCI_QLOGIC_ISP2100:
387		device_set_desc(dev, "Qlogic ISP 2100 PCI FC-AL Adapter");
388		break;
389	case PCI_QLOGIC_ISP2200:
390		device_set_desc(dev, "Qlogic ISP 2200 PCI FC-AL Adapter");
391		break;
392	case PCI_QLOGIC_ISP2300:
393		device_set_desc(dev, "Qlogic ISP 2300 PCI FC-AL Adapter");
394		break;
395	case PCI_QLOGIC_ISP2312:
396		device_set_desc(dev, "Qlogic ISP 2312 PCI FC-AL Adapter");
397		break;
398	case PCI_QLOGIC_ISP2322:
399		device_set_desc(dev, "Qlogic ISP 2322 PCI FC-AL Adapter");
400		break;
401	case PCI_QLOGIC_ISP2422:
402		device_set_desc(dev, "Qlogic ISP 2422 PCI FC-AL Adapter");
403		break;
404	case PCI_QLOGIC_ISP2432:
405		device_set_desc(dev, "Qlogic ISP 2432 PCI FC-AL Adapter");
406		break;
407	case PCI_QLOGIC_ISP2532:
408		device_set_desc(dev, "Qlogic ISP 2532 PCI FC-AL Adapter");
409		break;
410	case PCI_QLOGIC_ISP6312:
411		device_set_desc(dev, "Qlogic ISP 6312 PCI FC-AL Adapter");
412		break;
413	case PCI_QLOGIC_ISP6322:
414		device_set_desc(dev, "Qlogic ISP 6322 PCI FC-AL Adapter");
415		break;
416	default:
417		return (ENXIO);
418	}
419	if (isp_announced == 0 && bootverbose) {
420		printf("Qlogic ISP Driver, FreeBSD Version %d.%d, "
421		    "Core Version %d.%d\n",
422		    ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
423		    ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
424		isp_announced++;
425	}
426	/*
427	 * XXXX: Here is where we might load the f/w module
428	 * XXXX: (or increase a reference count to it).
429	 */
430	return (BUS_PROBE_DEFAULT);
431}
432
433static void
434isp_get_generic_options(device_t dev, ispsoftc_t *isp, int *nvp)
435{
436	int tval;
437
438	/*
439	 * Figure out if we're supposed to skip this one.
440	 */
441	tval = 0;
442	if (resource_int_value(device_get_name(dev), device_get_unit(dev), "disable", &tval) == 0 && tval) {
443		device_printf(dev, "disabled at user request\n");
444		isp->isp_osinfo.disabled = 1;
445		return;
446	}
447
448	tval = 0;
449	if (resource_int_value(device_get_name(dev), device_get_unit(dev), "fwload_disable", &tval) == 0 && tval != 0) {
450		isp->isp_confopts |= ISP_CFG_NORELOAD;
451	}
452	tval = 0;
453	if (resource_int_value(device_get_name(dev), device_get_unit(dev), "ignore_nvram", &tval) == 0 && tval != 0) {
454		isp->isp_confopts |= ISP_CFG_NONVRAM;
455	}
456	tval = 0;
457	(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "debug", &tval);
458	if (tval) {
459		isp->isp_dblev = tval;
460	} else {
461		isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
462	}
463	if (bootverbose) {
464		isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
465	}
466	(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "vports", &tval);
467	if (tval > 0 && tval < 127) {
468		*nvp =  tval;
469	} else {
470		*nvp = 0;
471	}
472	tval = 1;
473	(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "autoconfig", &tval);
474	isp_autoconfig = tval;
475	tval = 7;
476	(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "quickboot_time", &tval);
477	isp_quickboot_time = tval;
478
479	tval = 0;
480	if (resource_int_value(device_get_name(dev), device_get_unit(dev), "forcemulti", &tval) == 0 && tval != 0) {
481		isp->isp_osinfo.forcemulti = 1;
482	}
483}
484
485static void
486isp_get_pci_options(device_t dev, int *m1, int *m2)
487{
488	int tval;
489	/*
490	 * Which we should try first - memory mapping or i/o mapping?
491	 *
492	 * We used to try memory first followed by i/o on alpha, otherwise
493	 * the reverse, but we should just try memory first all the time now.
494	 */
495	*m1 = PCIM_CMD_MEMEN;
496	*m2 = PCIM_CMD_PORTEN;
497
498	tval = 0;
499	if (resource_int_value(device_get_name(dev), device_get_unit(dev), "prefer_iomap", &tval) == 0 && tval != 0) {
500		*m1 = PCIM_CMD_PORTEN;
501		*m2 = PCIM_CMD_MEMEN;
502	}
503	tval = 0;
504	if (resource_int_value(device_get_name(dev), device_get_unit(dev), "prefer_memmap", &tval) == 0 && tval != 0) {
505		*m1 = PCIM_CMD_MEMEN;
506		*m2 = PCIM_CMD_PORTEN;
507	}
508}
509
510static void
511isp_get_specific_options(device_t dev, int chan, ispsoftc_t *isp)
512{
513	const char *sptr;
514	int tval;
515
516	if (resource_int_value(device_get_name(dev), device_get_unit(dev), "iid", &tval)) {
517		if (IS_FC(isp)) {
518			ISP_FC_PC(isp, chan)->default_id = 109 - chan;
519		} else {
520			ISP_SPI_PC(isp, chan)->iid = 7;
521		}
522	} else {
523		if (IS_FC(isp)) {
524			ISP_FC_PC(isp, chan)->default_id = tval - chan;
525		} else {
526			ISP_SPI_PC(isp, chan)->iid = tval;
527		}
528		isp->isp_confopts |= ISP_CFG_OWNLOOPID;
529	}
530
531	tval = -1;
532	if (resource_int_value(device_get_name(dev), device_get_unit(dev), "role", &tval) == 0) {
533		switch (tval) {
534		case ISP_ROLE_NONE:
535		case ISP_ROLE_INITIATOR:
536		case ISP_ROLE_TARGET:
537		case ISP_ROLE_INITIATOR|ISP_ROLE_TARGET:
538			device_printf(dev, "setting role to 0x%x\n", tval);
539			break;
540		default:
541			tval = -1;
542			break;
543		}
544	}
545	if (tval == -1) {
546		tval = ISP_DEFAULT_ROLES;
547	}
548
549	if (IS_SCSI(isp)) {
550		ISP_SPI_PC(isp, chan)->role = tval;
551		return;
552	}
553	ISP_FC_PC(isp, chan)->role = tval;
554
555	tval = 0;
556	if (resource_int_value(device_get_name(dev), device_get_unit(dev), "fullduplex", &tval) == 0 && tval != 0) {
557		isp->isp_confopts |= ISP_CFG_FULL_DUPLEX;
558	}
559	sptr = 0;
560	if (resource_string_value(device_get_name(dev), device_get_unit(dev), "topology", (const char **) &sptr) == 0 && sptr != 0) {
561		if (strcmp(sptr, "lport") == 0) {
562			isp->isp_confopts |= ISP_CFG_LPORT;
563		} else if (strcmp(sptr, "nport") == 0) {
564			isp->isp_confopts |= ISP_CFG_NPORT;
565		} else if (strcmp(sptr, "lport-only") == 0) {
566			isp->isp_confopts |= ISP_CFG_LPORT_ONLY;
567		} else if (strcmp(sptr, "nport-only") == 0) {
568			isp->isp_confopts |= ISP_CFG_NPORT_ONLY;
569		}
570	}
571
572	/*
573	 * Because the resource_*_value functions can neither return
574	 * 64 bit integer values, nor can they be directly coerced
575	 * to interpret the right hand side of the assignment as
576	 * you want them to interpret it, we have to force WWN
577	 * hint replacement to specify WWN strings with a leading
578	 * 'w' (e..g w50000000aaaa0001). Sigh.
579	 */
580	sptr = 0;
581	tval = resource_string_value(device_get_name(dev), device_get_unit(dev), "portwwn", (const char **) &sptr);
582	if (tval == 0 && sptr != 0 && *sptr++ == 'w') {
583		char *eptr = 0;
584		ISP_FC_PC(isp, chan)->def_wwpn = strtouq(sptr, &eptr, 16);
585		if (eptr < sptr + 16 || ISP_FC_PC(isp, chan)->def_wwpn == -1) {
586			device_printf(dev, "mangled portwwn hint '%s'\n", sptr);
587			ISP_FC_PC(isp, chan)->def_wwpn = 0;
588		}
589	}
590
591	sptr = 0;
592	tval = resource_string_value(device_get_name(dev), device_get_unit(dev), "nodewwn", (const char **) &sptr);
593	if (tval == 0 && sptr != 0 && *sptr++ == 'w') {
594		char *eptr = 0;
595		ISP_FC_PC(isp, chan)->def_wwnn = strtouq(sptr, &eptr, 16);
596		if (eptr < sptr + 16 || ISP_FC_PC(isp, chan)->def_wwnn == 0) {
597			device_printf(dev, "mangled nodewwn hint '%s'\n", sptr);
598			ISP_FC_PC(isp, chan)->def_wwnn = 0;
599		}
600	}
601
602	tval = 0;
603	(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "hysteresis", &tval);
604	if (tval >= 0 && tval < 256) {
605		ISP_FC_PC(isp, chan)->hysteresis = tval;
606	} else {
607		ISP_FC_PC(isp, chan)->hysteresis = isp_fabric_hysteresis;
608	}
609
610	tval = -1;
611	(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "loop_down_limit", &tval);
612	if (tval >= 0 && tval < 0xffff) {
613		ISP_FC_PC(isp, chan)->loop_down_limit = tval;
614	} else {
615		ISP_FC_PC(isp, chan)->loop_down_limit = isp_loop_down_limit;
616	}
617
618	tval = -1;
619	(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "gone_device_time", &tval);
620	if (tval >= 0 && tval < 0xffff) {
621		ISP_FC_PC(isp, chan)->gone_device_time = tval;
622	} else {
623		ISP_FC_PC(isp, chan)->gone_device_time = isp_gone_device_time;
624	}
625}
626
627static int
628isp_pci_attach(device_t dev)
629{
630	struct resource *regs, *irq;
631	int rtp, rgd, iqd, i, m1, m2, locksetup = 0;
632	int isp_nvports = 0;
633	uint32_t data, cmd, linesz, did;
634	struct isp_pcisoftc *pcs;
635	ispsoftc_t *isp = NULL;
636	size_t psize, xsize;
637	char fwname[32];
638
639	pcs = device_get_softc(dev);
640	if (pcs == NULL) {
641		device_printf(dev, "cannot get softc\n");
642		return (ENOMEM);
643	}
644	memset(pcs, 0, sizeof (*pcs));
645
646	pcs->pci_dev = dev;
647	isp = &pcs->pci_isp;
648	isp->isp_dev = dev;
649	isp->isp_nchan = 1;
650
651	/*
652	 * Get Generic Options
653	 */
654	isp_get_generic_options(dev, isp, &isp_nvports);
655
656	/*
657	 * Check to see if options have us disabled
658	 */
659	if (isp->isp_osinfo.disabled) {
660		/*
661		 * But return zero to preserve unit numbering
662		 */
663		return (0);
664	}
665
666	/*
667	 * Get PCI options- which in this case are just mapping preferences.
668	 */
669	isp_get_pci_options(dev, &m1, &m2);
670
671	linesz = PCI_DFLT_LNSZ;
672	irq = regs = NULL;
673	rgd = rtp = iqd = 0;
674
675	cmd = pci_read_config(dev, PCIR_COMMAND, 2);
676	if (cmd & m1) {
677		rtp = (m1 == PCIM_CMD_MEMEN)? SYS_RES_MEMORY : SYS_RES_IOPORT;
678		rgd = (m1 == PCIM_CMD_MEMEN)? MEM_MAP_REG : IO_MAP_REG;
679		regs = bus_alloc_resource_any(dev, rtp, &rgd, RF_ACTIVE);
680	}
681	if (regs == NULL && (cmd & m2)) {
682		rtp = (m2 == PCIM_CMD_MEMEN)? SYS_RES_MEMORY : SYS_RES_IOPORT;
683		rgd = (m2 == PCIM_CMD_MEMEN)? MEM_MAP_REG : IO_MAP_REG;
684		regs = bus_alloc_resource_any(dev, rtp, &rgd, RF_ACTIVE);
685	}
686	if (regs == NULL) {
687		device_printf(dev, "unable to map any ports\n");
688		goto bad;
689	}
690	if (bootverbose) {
691		device_printf(dev, "using %s space register mapping\n", (rgd == IO_MAP_REG)? "I/O" : "Memory");
692	}
693	isp->isp_bus_tag = rman_get_bustag(regs);
694	isp->isp_bus_handle = rman_get_bushandle(regs);
695
696	pcs->pci_dev = dev;
697	pcs->pci_reg = regs;
698	pcs->pci_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
699	pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS_OFF;
700	pcs->pci_poff[SXP_BLOCK >> _BLK_REG_SHFT] = PCI_SXP_REGS_OFF;
701	pcs->pci_poff[RISC_BLOCK >> _BLK_REG_SHFT] = PCI_RISC_REGS_OFF;
702	pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
703
704	switch (pci_get_devid(dev)) {
705	case PCI_QLOGIC_ISP1020:
706		did = 0x1040;
707		isp->isp_mdvec = &mdvec;
708		isp->isp_type = ISP_HA_SCSI_UNKNOWN;
709		break;
710	case PCI_QLOGIC_ISP1080:
711		did = 0x1080;
712		isp->isp_mdvec = &mdvec_1080;
713		isp->isp_type = ISP_HA_SCSI_1080;
714		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
715		break;
716	case PCI_QLOGIC_ISP1240:
717		did = 0x1080;
718		isp->isp_mdvec = &mdvec_1080;
719		isp->isp_type = ISP_HA_SCSI_1240;
720		isp->isp_nchan = 2;
721		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
722		break;
723	case PCI_QLOGIC_ISP1280:
724		did = 0x1080;
725		isp->isp_mdvec = &mdvec_1080;
726		isp->isp_type = ISP_HA_SCSI_1280;
727		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
728		break;
729	case PCI_QLOGIC_ISP10160:
730		did = 0x12160;
731		isp->isp_mdvec = &mdvec_12160;
732		isp->isp_type = ISP_HA_SCSI_10160;
733		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
734		break;
735	case PCI_QLOGIC_ISP12160:
736		did = 0x12160;
737		isp->isp_nchan = 2;
738		isp->isp_mdvec = &mdvec_12160;
739		isp->isp_type = ISP_HA_SCSI_12160;
740		pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
741		break;
742	case PCI_QLOGIC_ISP2100:
743		did = 0x2100;
744		isp->isp_mdvec = &mdvec_2100;
745		isp->isp_type = ISP_HA_FC_2100;
746		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF;
747		if (pci_get_revid(dev) < 3) {
748			/*
749			 * XXX: Need to get the actual revision
750			 * XXX: number of the 2100 FB. At any rate,
751			 * XXX: lower cache line size for early revision
752			 * XXX; boards.
753			 */
754			linesz = 1;
755		}
756		break;
757	case PCI_QLOGIC_ISP2200:
758		did = 0x2200;
759		isp->isp_mdvec = &mdvec_2200;
760		isp->isp_type = ISP_HA_FC_2200;
761		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF;
762		break;
763	case PCI_QLOGIC_ISP2300:
764		did = 0x2300;
765		isp->isp_mdvec = &mdvec_2300;
766		isp->isp_type = ISP_HA_FC_2300;
767		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
768		break;
769	case PCI_QLOGIC_ISP2312:
770	case PCI_QLOGIC_ISP6312:
771		did = 0x2300;
772		isp->isp_mdvec = &mdvec_2300;
773		isp->isp_type = ISP_HA_FC_2312;
774		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
775		break;
776	case PCI_QLOGIC_ISP2322:
777	case PCI_QLOGIC_ISP6322:
778		did = 0x2322;
779		isp->isp_mdvec = &mdvec_2300;
780		isp->isp_type = ISP_HA_FC_2322;
781		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
782		break;
783	case PCI_QLOGIC_ISP2422:
784	case PCI_QLOGIC_ISP2432:
785		did = 0x2400;
786		isp->isp_nchan += isp_nvports;
787		isp->isp_mdvec = &mdvec_2400;
788		isp->isp_type = ISP_HA_FC_2400;
789		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
790		break;
791	case PCI_QLOGIC_ISP2532:
792		did = 0x2500;
793		isp->isp_nchan += isp_nvports;
794		isp->isp_mdvec = &mdvec_2500;
795		isp->isp_type = ISP_HA_FC_2500;
796		pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
797		break;
798	default:
799		device_printf(dev, "unknown device type\n");
800		goto bad;
801		break;
802	}
803	isp->isp_revision = pci_get_revid(dev);
804
805	if (IS_FC(isp)) {
806		psize = sizeof (fcparam);
807		xsize = sizeof (struct isp_fc);
808	} else {
809		psize = sizeof (sdparam);
810		xsize = sizeof (struct isp_spi);
811	}
812	psize *= isp->isp_nchan;
813	xsize *= isp->isp_nchan;
814	isp->isp_param = malloc(psize, M_DEVBUF, M_NOWAIT | M_ZERO);
815	if (isp->isp_param == NULL) {
816		device_printf(dev, "cannot allocate parameter data\n");
817		goto bad;
818	}
819	isp->isp_osinfo.pc.ptr = malloc(xsize, M_DEVBUF, M_NOWAIT | M_ZERO);
820	if (isp->isp_osinfo.pc.ptr == NULL) {
821		device_printf(dev, "cannot allocate parameter data\n");
822		goto bad;
823	}
824
825	/*
826	 * Now that we know who we are (roughly) get/set specific options
827	 */
828	for (i = 0; i < isp->isp_nchan; i++) {
829		isp_get_specific_options(dev, i, isp);
830	}
831
832	/*
833	 * The 'it' suffix really only matters for SCSI cards in target mode.
834	 */
835	isp->isp_osinfo.fw = NULL;
836	if (IS_SCSI(isp) && (ISP_SPI_PC(isp, 0)->role & ISP_ROLE_TARGET)) {
837		snprintf(fwname, sizeof (fwname), "isp_%04x_it", did);
838		isp->isp_osinfo.fw = firmware_get(fwname);
839	} else if (IS_24XX(isp) && (isp->isp_nchan > 1 || isp->isp_osinfo.forcemulti)) {
840		snprintf(fwname, sizeof (fwname), "isp_%04x_multi", did);
841		isp->isp_osinfo.fw = firmware_get(fwname);
842	}
843	if (isp->isp_osinfo.fw == NULL) {
844		snprintf(fwname, sizeof (fwname), "isp_%04x", did);
845		isp->isp_osinfo.fw = firmware_get(fwname);
846	}
847	if (isp->isp_osinfo.fw != NULL) {
848		isp->isp_mdvec->dv_ispfw = isp->isp_osinfo.fw->data;
849	}
850
851	/*
852	 * Make sure that SERR, PERR, WRITE INVALIDATE and BUSMASTER
853	 * are set.
854	 */
855	cmd |= PCIM_CMD_SEREN | PCIM_CMD_PERRESPEN |
856		PCIM_CMD_BUSMASTEREN | PCIM_CMD_INVEN;
857
858	if (IS_2300(isp)) {	/* per QLogic errata */
859		cmd &= ~PCIM_CMD_INVEN;
860	}
861
862	if (IS_2322(isp) || pci_get_devid(dev) == PCI_QLOGIC_ISP6312) {
863		cmd &= ~PCIM_CMD_INTX_DISABLE;
864	}
865
866	if (IS_24XX(isp)) {
867		cmd &= ~PCIM_CMD_INTX_DISABLE;
868	}
869
870	pci_write_config(dev, PCIR_COMMAND, cmd, 2);
871
872	/*
873	 * Make sure the Cache Line Size register is set sensibly.
874	 */
875	data = pci_read_config(dev, PCIR_CACHELNSZ, 1);
876	if (data == 0 || (linesz != PCI_DFLT_LNSZ && data != linesz)) {
877		isp_prt(isp, ISP_LOGCONFIG, "set PCI line size to %d from %d", linesz, data);
878		data = linesz;
879		pci_write_config(dev, PCIR_CACHELNSZ, data, 1);
880	}
881
882	/*
883	 * Make sure the Latency Timer is sane.
884	 */
885	data = pci_read_config(dev, PCIR_LATTIMER, 1);
886	if (data < PCI_DFLT_LTNCY) {
887		data = PCI_DFLT_LTNCY;
888		isp_prt(isp, ISP_LOGCONFIG, "set PCI latency to %d", data);
889		pci_write_config(dev, PCIR_LATTIMER, data, 1);
890	}
891
892	/*
893	 * Make sure we've disabled the ROM.
894	 */
895	data = pci_read_config(dev, PCIR_ROMADDR, 4);
896	data &= ~1;
897	pci_write_config(dev, PCIR_ROMADDR, data, 4);
898
899	/*
900	 * Do MSI
901	 *
902	 * NB: MSI-X needs to be disabled for the 2432 (PCI-Express)
903	 */
904	if (IS_24XX(isp) || IS_2322(isp)) {
905		pcs->msicount = pci_msi_count(dev);
906		if (pcs->msicount > 1) {
907			pcs->msicount = 1;
908		}
909		if (pci_alloc_msi(dev, &pcs->msicount) == 0) {
910			iqd = 1;
911		} else {
912			iqd = 0;
913		}
914	}
915	irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &iqd, RF_ACTIVE | RF_SHAREABLE);
916	if (irq == NULL) {
917		device_printf(dev, "could not allocate interrupt\n");
918		goto bad;
919	}
920
921	/* Make sure the lock is set up. */
922	mtx_init(&isp->isp_osinfo.lock, "isp", NULL, MTX_DEF);
923	locksetup++;
924
925	if (isp_setup_intr(dev, irq, ISP_IFLAGS, NULL, isp_platform_intr, isp, &pcs->ih)) {
926		device_printf(dev, "could not setup interrupt\n");
927		goto bad;
928	}
929
930	/*
931	 * Last minute checks...
932	 */
933	if (IS_23XX(isp) || IS_24XX(isp)) {
934		isp->isp_port = pci_get_function(dev);
935	}
936
937	/*
938	 * Make sure we're in reset state.
939	 */
940	ISP_LOCK(isp);
941	isp_reset(isp, 1);
942	if (isp->isp_state != ISP_RESETSTATE) {
943		ISP_UNLOCK(isp);
944		goto bad;
945	}
946	isp_init(isp);
947	if (isp->isp_state == ISP_INITSTATE) {
948		isp->isp_state = ISP_RUNSTATE;
949	}
950	ISP_UNLOCK(isp);
951	if (isp_attach(isp)) {
952		ISP_LOCK(isp);
953		isp_uninit(isp);
954		ISP_UNLOCK(isp);
955		goto bad;
956	}
957	return (0);
958
959bad:
960	if (pcs && pcs->ih) {
961		(void) bus_teardown_intr(dev, irq, pcs->ih);
962	}
963	if (locksetup && isp) {
964		mtx_destroy(&isp->isp_osinfo.lock);
965	}
966	if (irq) {
967		(void) bus_release_resource(dev, SYS_RES_IRQ, iqd, irq);
968	}
969	if (pcs && pcs->msicount) {
970		pci_release_msi(dev);
971	}
972	if (regs) {
973		(void) bus_release_resource(dev, rtp, rgd, regs);
974	}
975	if (pcs) {
976		if (pcs->pci_isp.isp_param) {
977			free(pcs->pci_isp.isp_param, M_DEVBUF);
978			pcs->pci_isp.isp_param = NULL;
979		}
980		if (pcs->pci_isp.isp_osinfo.pc.ptr) {
981			free(pcs->pci_isp.isp_osinfo.pc.ptr, M_DEVBUF);
982			pcs->pci_isp.isp_osinfo.pc.ptr = NULL;
983		}
984	}
985	return (ENXIO);
986}
987
988static int
989isp_pci_detach(device_t dev)
990{
991	struct isp_pcisoftc *pcs;
992	ispsoftc_t *isp;
993
994	pcs = device_get_softc(dev);
995	if (pcs == NULL) {
996		return (ENXIO);
997	}
998	isp = (ispsoftc_t *) pcs;
999	ISP_DISABLE_INTS(isp);
1000	mtx_destroy(&isp->isp_osinfo.lock);
1001	return (0);
1002}
1003
1004#define	IspVirt2Off(a, x)	\
1005	(((struct isp_pcisoftc *)a)->pci_poff[((x) & _BLK_REG_MASK) >> \
1006	_BLK_REG_SHFT] + ((x) & 0xfff))
1007
1008#define	BXR2(isp, off)		\
1009	bus_space_read_2(isp->isp_bus_tag, isp->isp_bus_handle, off)
1010#define	BXW2(isp, off, v)	\
1011	bus_space_write_2(isp->isp_bus_tag, isp->isp_bus_handle, off, v)
1012#define	BXR4(isp, off)		\
1013	bus_space_read_4(isp->isp_bus_tag, isp->isp_bus_handle, off)
1014#define	BXW4(isp, off, v)	\
1015	bus_space_write_4(isp->isp_bus_tag, isp->isp_bus_handle, off, v)
1016
1017
1018static ISP_INLINE int
1019isp_pci_rd_debounced(ispsoftc_t *isp, int off, uint16_t *rp)
1020{
1021	uint32_t val0, val1;
1022	int i = 0;
1023
1024	do {
1025		val0 = BXR2(isp, IspVirt2Off(isp, off));
1026		val1 = BXR2(isp, IspVirt2Off(isp, off));
1027	} while (val0 != val1 && ++i < 1000);
1028	if (val0 != val1) {
1029		return (1);
1030	}
1031	*rp = val0;
1032	return (0);
1033}
1034
1035static int
1036isp_pci_rd_isr(ispsoftc_t *isp, uint32_t *isrp, uint16_t *semap, uint16_t *mbp)
1037{
1038	uint16_t isr, sema;
1039
1040	if (IS_2100(isp)) {
1041		if (isp_pci_rd_debounced(isp, BIU_ISR, &isr)) {
1042		    return (0);
1043		}
1044		if (isp_pci_rd_debounced(isp, BIU_SEMA, &sema)) {
1045		    return (0);
1046		}
1047	} else {
1048		isr = BXR2(isp, IspVirt2Off(isp, BIU_ISR));
1049		sema = BXR2(isp, IspVirt2Off(isp, BIU_SEMA));
1050	}
1051	isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema);
1052	isr &= INT_PENDING_MASK(isp);
1053	sema &= BIU_SEMA_LOCK;
1054	if (isr == 0 && sema == 0) {
1055		return (0);
1056	}
1057	*isrp = isr;
1058	if ((*semap = sema) != 0) {
1059		if (IS_2100(isp)) {
1060			if (isp_pci_rd_debounced(isp, OUTMAILBOX0, mbp)) {
1061				return (0);
1062			}
1063		} else {
1064			*mbp = BXR2(isp, IspVirt2Off(isp, OUTMAILBOX0));
1065		}
1066	}
1067	return (1);
1068}
1069
1070static int
1071isp_pci_rd_isr_2300(ispsoftc_t *isp, uint32_t *isrp,
1072    uint16_t *semap, uint16_t *mbox0p)
1073{
1074	uint32_t hccr;
1075	uint32_t r2hisr;
1076
1077	if (!(BXR2(isp, IspVirt2Off(isp, BIU_ISR) & BIU2100_ISR_RISC_INT))) {
1078		*isrp = 0;
1079		return (0);
1080	}
1081	r2hisr = BXR4(isp, IspVirt2Off(isp, BIU_R2HSTSLO));
1082	isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr);
1083	if ((r2hisr & BIU_R2HST_INTR) == 0) {
1084		*isrp = 0;
1085		return (0);
1086	}
1087	switch (r2hisr & BIU_R2HST_ISTAT_MASK) {
1088	case ISPR2HST_ROM_MBX_OK:
1089	case ISPR2HST_ROM_MBX_FAIL:
1090	case ISPR2HST_MBX_OK:
1091	case ISPR2HST_MBX_FAIL:
1092	case ISPR2HST_ASYNC_EVENT:
1093		*isrp = r2hisr & 0xffff;
1094		*mbox0p = (r2hisr >> 16);
1095		*semap = 1;
1096		return (1);
1097	case ISPR2HST_RIO_16:
1098		*isrp = r2hisr & 0xffff;
1099		*mbox0p = ASYNC_RIO1;
1100		*semap = 1;
1101		return (1);
1102	case ISPR2HST_FPOST:
1103		*isrp = r2hisr & 0xffff;
1104		*mbox0p = ASYNC_CMD_CMPLT;
1105		*semap = 1;
1106		return (1);
1107	case ISPR2HST_FPOST_CTIO:
1108		*isrp = r2hisr & 0xffff;
1109		*mbox0p = ASYNC_CTIO_DONE;
1110		*semap = 1;
1111		return (1);
1112	case ISPR2HST_RSPQ_UPDATE:
1113		*isrp = r2hisr & 0xffff;
1114		*mbox0p = 0;
1115		*semap = 0;
1116		return (1);
1117	default:
1118		hccr = ISP_READ(isp, HCCR);
1119		if (hccr & HCCR_PAUSE) {
1120			ISP_WRITE(isp, HCCR, HCCR_RESET);
1121			isp_prt(isp, ISP_LOGERR,
1122			    "RISC paused at interrupt (%x->%x)", hccr,
1123			    ISP_READ(isp, HCCR));
1124			ISP_WRITE(isp, BIU_ICR, 0);
1125		} else {
1126			isp_prt(isp, ISP_LOGERR, "unknown interrupt 0x%x\n",
1127			    r2hisr);
1128		}
1129		return (0);
1130	}
1131}
1132
1133static int
1134isp_pci_rd_isr_2400(ispsoftc_t *isp, uint32_t *isrp,
1135    uint16_t *semap, uint16_t *mbox0p)
1136{
1137	uint32_t r2hisr;
1138
1139	r2hisr = BXR4(isp, IspVirt2Off(isp, BIU2400_R2HSTSLO));
1140	isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr);
1141	if ((r2hisr & BIU2400_R2HST_INTR) == 0) {
1142		*isrp = 0;
1143		return (0);
1144	}
1145	switch (r2hisr & BIU2400_R2HST_ISTAT_MASK) {
1146	case ISP2400R2HST_ROM_MBX_OK:
1147	case ISP2400R2HST_ROM_MBX_FAIL:
1148	case ISP2400R2HST_MBX_OK:
1149	case ISP2400R2HST_MBX_FAIL:
1150	case ISP2400R2HST_ASYNC_EVENT:
1151		*isrp = r2hisr & 0xffff;
1152		*mbox0p = (r2hisr >> 16);
1153		*semap = 1;
1154		return (1);
1155	case ISP2400R2HST_RSPQ_UPDATE:
1156	case ISP2400R2HST_ATIO_RSPQ_UPDATE:
1157	case ISP2400R2HST_ATIO_RQST_UPDATE:
1158		*isrp = r2hisr & 0xffff;
1159		*mbox0p = 0;
1160		*semap = 0;
1161		return (1);
1162	default:
1163		ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT);
1164		isp_prt(isp, ISP_LOGERR, "unknown interrupt 0x%x\n", r2hisr);
1165		return (0);
1166	}
1167}
1168
1169static uint32_t
1170isp_pci_rd_reg(ispsoftc_t *isp, int regoff)
1171{
1172	uint16_t rv;
1173	int oldconf = 0;
1174
1175	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1176		/*
1177		 * We will assume that someone has paused the RISC processor.
1178		 */
1179		oldconf = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1180		BXW2(isp, IspVirt2Off(isp, BIU_CONF1),
1181		    oldconf | BIU_PCI_CONF1_SXP);
1182		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2);
1183	}
1184	rv = BXR2(isp, IspVirt2Off(isp, regoff));
1185	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1186		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf);
1187		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2);
1188	}
1189	return (rv);
1190}
1191
1192static void
1193isp_pci_wr_reg(ispsoftc_t *isp, int regoff, uint32_t val)
1194{
1195	int oldconf = 0;
1196
1197	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1198		/*
1199		 * We will assume that someone has paused the RISC processor.
1200		 */
1201		oldconf = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1202		BXW2(isp, IspVirt2Off(isp, BIU_CONF1),
1203		    oldconf | BIU_PCI_CONF1_SXP);
1204		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2);
1205	}
1206	BXW2(isp, IspVirt2Off(isp, regoff), val);
1207	MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2);
1208	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
1209		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf);
1210		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2);
1211	}
1212
1213}
1214
1215static uint32_t
1216isp_pci_rd_reg_1080(ispsoftc_t *isp, int regoff)
1217{
1218	uint32_t rv, oc = 0;
1219
1220	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK ||
1221	    (regoff & _BLK_REG_MASK) == (SXP_BLOCK|SXP_BANK1_SELECT)) {
1222		uint32_t tc;
1223		/*
1224		 * We will assume that someone has paused the RISC processor.
1225		 */
1226		oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1227		tc = oc & ~BIU_PCI1080_CONF1_DMA;
1228		if (regoff & SXP_BANK1_SELECT)
1229			tc |= BIU_PCI1080_CONF1_SXP1;
1230		else
1231			tc |= BIU_PCI1080_CONF1_SXP0;
1232		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), tc);
1233		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2);
1234	} else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
1235		oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1236		BXW2(isp, IspVirt2Off(isp, BIU_CONF1),
1237		    oc | BIU_PCI1080_CONF1_DMA);
1238		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2);
1239	}
1240	rv = BXR2(isp, IspVirt2Off(isp, regoff));
1241	if (oc) {
1242		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oc);
1243		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2);
1244	}
1245	return (rv);
1246}
1247
1248static void
1249isp_pci_wr_reg_1080(ispsoftc_t *isp, int regoff, uint32_t val)
1250{
1251	int oc = 0;
1252
1253	if ((regoff & _BLK_REG_MASK) == SXP_BLOCK ||
1254	    (regoff & _BLK_REG_MASK) == (SXP_BLOCK|SXP_BANK1_SELECT)) {
1255		uint32_t tc;
1256		/*
1257		 * We will assume that someone has paused the RISC processor.
1258		 */
1259		oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1260		tc = oc & ~BIU_PCI1080_CONF1_DMA;
1261		if (regoff & SXP_BANK1_SELECT)
1262			tc |= BIU_PCI1080_CONF1_SXP1;
1263		else
1264			tc |= BIU_PCI1080_CONF1_SXP0;
1265		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), tc);
1266		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2);
1267	} else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
1268		oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
1269		BXW2(isp, IspVirt2Off(isp, BIU_CONF1),
1270		    oc | BIU_PCI1080_CONF1_DMA);
1271		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2);
1272	}
1273	BXW2(isp, IspVirt2Off(isp, regoff), val);
1274	MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2);
1275	if (oc) {
1276		BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oc);
1277		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2);
1278	}
1279}
1280
1281static uint32_t
1282isp_pci_rd_reg_2400(ispsoftc_t *isp, int regoff)
1283{
1284	uint32_t rv;
1285	int block = regoff & _BLK_REG_MASK;
1286
1287	switch (block) {
1288	case BIU_BLOCK:
1289		break;
1290	case MBOX_BLOCK:
1291		return (BXR2(isp, IspVirt2Off(isp, regoff)));
1292	case SXP_BLOCK:
1293		isp_prt(isp, ISP_LOGWARN, "SXP_BLOCK read at 0x%x", regoff);
1294		return (0xffffffff);
1295	case RISC_BLOCK:
1296		isp_prt(isp, ISP_LOGWARN, "RISC_BLOCK read at 0x%x", regoff);
1297		return (0xffffffff);
1298	case DMA_BLOCK:
1299		isp_prt(isp, ISP_LOGWARN, "DMA_BLOCK read at 0x%x", regoff);
1300		return (0xffffffff);
1301	default:
1302		isp_prt(isp, ISP_LOGWARN, "unknown block read at 0x%x", regoff);
1303		return (0xffffffff);
1304	}
1305
1306
1307	switch (regoff) {
1308	case BIU2400_FLASH_ADDR:
1309	case BIU2400_FLASH_DATA:
1310	case BIU2400_ICR:
1311	case BIU2400_ISR:
1312	case BIU2400_CSR:
1313	case BIU2400_REQINP:
1314	case BIU2400_REQOUTP:
1315	case BIU2400_RSPINP:
1316	case BIU2400_RSPOUTP:
1317	case BIU2400_PRI_REQINP:
1318	case BIU2400_PRI_REQOUTP:
1319	case BIU2400_ATIO_RSPINP:
1320	case BIU2400_ATIO_RSPOUTP:
1321	case BIU2400_HCCR:
1322	case BIU2400_GPIOD:
1323	case BIU2400_GPIOE:
1324	case BIU2400_HSEMA:
1325		rv = BXR4(isp, IspVirt2Off(isp, regoff));
1326		break;
1327	case BIU2400_R2HSTSLO:
1328		rv = BXR4(isp, IspVirt2Off(isp, regoff));
1329		break;
1330	case BIU2400_R2HSTSHI:
1331		rv = BXR4(isp, IspVirt2Off(isp, regoff)) >> 16;
1332		break;
1333	default:
1334		isp_prt(isp, ISP_LOGERR,
1335		    "isp_pci_rd_reg_2400: unknown offset %x", regoff);
1336		rv = 0xffffffff;
1337		break;
1338	}
1339	return (rv);
1340}
1341
1342static void
1343isp_pci_wr_reg_2400(ispsoftc_t *isp, int regoff, uint32_t val)
1344{
1345	int block = regoff & _BLK_REG_MASK;
1346
1347	switch (block) {
1348	case BIU_BLOCK:
1349		break;
1350	case MBOX_BLOCK:
1351		BXW2(isp, IspVirt2Off(isp, regoff), val);
1352		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2);
1353		return;
1354	case SXP_BLOCK:
1355		isp_prt(isp, ISP_LOGWARN, "SXP_BLOCK write at 0x%x", regoff);
1356		return;
1357	case RISC_BLOCK:
1358		isp_prt(isp, ISP_LOGWARN, "RISC_BLOCK write at 0x%x", regoff);
1359		return;
1360	case DMA_BLOCK:
1361		isp_prt(isp, ISP_LOGWARN, "DMA_BLOCK write at 0x%x", regoff);
1362		return;
1363	default:
1364		isp_prt(isp, ISP_LOGWARN, "unknown block write at 0x%x",
1365		    regoff);
1366		break;
1367	}
1368
1369	switch (regoff) {
1370	case BIU2400_FLASH_ADDR:
1371	case BIU2400_FLASH_DATA:
1372	case BIU2400_ICR:
1373	case BIU2400_ISR:
1374	case BIU2400_CSR:
1375	case BIU2400_REQINP:
1376	case BIU2400_REQOUTP:
1377	case BIU2400_RSPINP:
1378	case BIU2400_RSPOUTP:
1379	case BIU2400_PRI_REQINP:
1380	case BIU2400_PRI_REQOUTP:
1381	case BIU2400_ATIO_RSPINP:
1382	case BIU2400_ATIO_RSPOUTP:
1383	case BIU2400_HCCR:
1384	case BIU2400_GPIOD:
1385	case BIU2400_GPIOE:
1386	case BIU2400_HSEMA:
1387		BXW4(isp, IspVirt2Off(isp, regoff), val);
1388		MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 4);
1389		break;
1390	default:
1391		isp_prt(isp, ISP_LOGERR,
1392		    "isp_pci_wr_reg_2400: bad offset 0x%x", regoff);
1393		break;
1394	}
1395}
1396
1397
1398struct imush {
1399	ispsoftc_t *isp;
1400	caddr_t vbase;
1401	int chan;
1402	int error;
1403};
1404
1405static void imc(void *, bus_dma_segment_t *, int, int);
1406static void imc1(void *, bus_dma_segment_t *, int, int);
1407
1408static void
1409imc(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1410{
1411	struct imush *imushp = (struct imush *) arg;
1412
1413	if (error) {
1414		imushp->error = error;
1415		return;
1416	}
1417	if (nseg != 1) {
1418		imushp->error = EINVAL;
1419		return;
1420	}
1421	imushp->isp->isp_rquest = imushp->vbase;
1422	imushp->isp->isp_rquest_dma = segs->ds_addr;
1423	segs->ds_addr += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(imushp->isp));
1424	imushp->vbase += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(imushp->isp));
1425	imushp->isp->isp_result_dma = segs->ds_addr;
1426	imushp->isp->isp_result = imushp->vbase;
1427
1428#ifdef	ISP_TARGET_MODE
1429	if (IS_24XX(imushp->isp)) {
1430		segs->ds_addr += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(imushp->isp));
1431		imushp->vbase += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(imushp->isp));
1432		imushp->isp->isp_atioq_dma = segs->ds_addr;
1433		imushp->isp->isp_atioq = imushp->vbase;
1434	}
1435#endif
1436}
1437
1438static void
1439imc1(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1440{
1441	struct imush *imushp = (struct imush *) arg;
1442	if (error) {
1443		imushp->error = error;
1444		return;
1445	}
1446	if (nseg != 1) {
1447		imushp->error = EINVAL;
1448		return;
1449	}
1450	FCPARAM(imushp->isp, imushp->chan)->isp_scdma = segs->ds_addr;
1451	FCPARAM(imushp->isp, imushp->chan)->isp_scratch = imushp->vbase;
1452}
1453
1454static int
1455isp_pci_mbxdma(ispsoftc_t *isp)
1456{
1457	caddr_t base;
1458	uint32_t len;
1459	int i, error, ns, cmap = 0;
1460	bus_size_t slim;	/* segment size */
1461	bus_addr_t llim;	/* low limit of unavailable dma */
1462	bus_addr_t hlim;	/* high limit of unavailable dma */
1463	struct imush im;
1464
1465	/*
1466	 * Already been here? If so, leave...
1467	 */
1468	if (isp->isp_rquest) {
1469		return (0);
1470	}
1471	ISP_UNLOCK(isp);
1472
1473	if (isp->isp_maxcmds == 0) {
1474		isp_prt(isp, ISP_LOGERR, "maxcmds not set");
1475		ISP_LOCK(isp);
1476		return (1);
1477	}
1478
1479	hlim = BUS_SPACE_MAXADDR;
1480	if (IS_ULTRA2(isp) || IS_FC(isp) || IS_1240(isp)) {
1481		if (sizeof (bus_size_t) > 4) {
1482			slim = (bus_size_t) (1ULL << 32);
1483		} else {
1484			slim = (bus_size_t) (1UL << 31);
1485		}
1486		llim = BUS_SPACE_MAXADDR;
1487	} else {
1488		llim = BUS_SPACE_MAXADDR_32BIT;
1489		slim = (1UL << 24);
1490	}
1491
1492	len = isp->isp_maxcmds * sizeof (struct isp_pcmd);
1493	isp->isp_osinfo.pcmd_pool = (struct isp_pcmd *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
1494	if (isp->isp_osinfo.pcmd_pool == NULL) {
1495		isp_prt(isp, ISP_LOGERR, "cannot allocate pcmds");
1496		ISP_LOCK(isp);
1497		return (1);
1498	}
1499
1500	/*
1501	 * XXX: We don't really support 64 bit target mode for parallel scsi yet
1502	 */
1503#ifdef	ISP_TARGET_MODE
1504	if (IS_SCSI(isp) && sizeof (bus_addr_t) > 4) {
1505		free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1506		isp_prt(isp, ISP_LOGERR, "we cannot do DAC for SPI cards yet");
1507		ISP_LOCK(isp);
1508		return (1);
1509	}
1510#endif
1511
1512	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)) {
1513		free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1514		ISP_LOCK(isp);
1515		isp_prt(isp, ISP_LOGERR, "could not create master dma tag");
1516		return (1);
1517	}
1518
1519	len = sizeof (isp_hdl_t) * isp->isp_maxcmds;
1520	isp->isp_xflist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
1521	if (isp->isp_xflist == NULL) {
1522		free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1523		ISP_LOCK(isp);
1524		isp_prt(isp, ISP_LOGERR, "cannot alloc xflist array");
1525		return (1);
1526	}
1527	for (len = 0; len < isp->isp_maxcmds - 1; len++) {
1528		isp->isp_xflist[len].cmd = &isp->isp_xflist[len+1];
1529	}
1530	isp->isp_xffree = isp->isp_xflist;
1531#ifdef	ISP_TARGET_MODE
1532	len = sizeof (isp_hdl_t *) * isp->isp_maxcmds;
1533	isp->isp_tgtlist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
1534	if (isp->isp_tgtlist == NULL) {
1535		free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1536		free(isp->isp_xflist, M_DEVBUF);
1537		ISP_LOCK(isp);
1538		isp_prt(isp, ISP_LOGERR, "cannot alloc tgtlist array");
1539		return (1);
1540	}
1541	for (len = 0; len < isp->isp_maxcmds - 1; len++) {
1542		isp->isp_tgtlist[len].cmd = &isp->isp_tgtlist[len+1];
1543	}
1544	isp->isp_tgtfree = isp->isp_tgtlist;
1545#endif
1546
1547	/*
1548	 * Allocate and map the request and result queues (and ATIO queue
1549	 * if we're a 2400 supporting target mode).
1550	 */
1551	len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
1552	len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
1553#ifdef	ISP_TARGET_MODE
1554	if (IS_24XX(isp)) {
1555		len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
1556	}
1557#endif
1558
1559	ns = (len / PAGE_SIZE) + 1;
1560
1561	/*
1562	 * Create a tag for the control spaces. We don't always need this
1563	 * to be 32 bits, but we do this for simplicity and speed's sake.
1564	 */
1565	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)) {
1566		isp_prt(isp, ISP_LOGERR, "cannot create a dma tag for control spaces");
1567		free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1568		free(isp->isp_xflist, M_DEVBUF);
1569#ifdef	ISP_TARGET_MODE
1570		free(isp->isp_tgtlist, M_DEVBUF);
1571#endif
1572		ISP_LOCK(isp);
1573		return (1);
1574	}
1575
1576	if (bus_dmamem_alloc(isp->isp_osinfo.cdmat, (void **)&base, BUS_DMA_NOWAIT, &isp->isp_osinfo.cdmap) != 0) {
1577		isp_prt(isp, ISP_LOGERR, "cannot allocate %d bytes of CCB memory", len);
1578		bus_dma_tag_destroy(isp->isp_osinfo.cdmat);
1579		free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1580		free(isp->isp_xflist, M_DEVBUF);
1581#ifdef	ISP_TARGET_MODE
1582		free(isp->isp_tgtlist, M_DEVBUF);
1583#endif
1584		ISP_LOCK(isp);
1585		return (1);
1586	}
1587
1588	im.isp = isp;
1589	im.chan = 0;
1590	im.vbase = base;
1591	im.error = 0;
1592
1593	bus_dmamap_load(isp->isp_osinfo.cdmat, isp->isp_osinfo.cdmap, base, len, imc, &im, 0);
1594	if (im.error) {
1595		isp_prt(isp, ISP_LOGERR, "error %d loading dma map for control areas", im.error);
1596		goto bad;
1597	}
1598
1599	if (IS_FC(isp)) {
1600		for (cmap = 0; cmap < isp->isp_nchan; cmap++) {
1601			struct isp_fc *fc = ISP_FC_PC(isp, cmap);
1602			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)) {
1603				goto bad;
1604			}
1605			if (bus_dmamem_alloc(fc->tdmat, (void **)&base, BUS_DMA_NOWAIT, &fc->tdmap) != 0) {
1606				bus_dma_tag_destroy(fc->tdmat);
1607				goto bad;
1608			}
1609			im.isp = isp;
1610			im.chan = cmap;
1611			im.vbase = base;
1612			im.error = 0;
1613			bus_dmamap_load(fc->tdmat, fc->tdmap, base, ISP_FC_SCRLEN, imc1, &im, 0);
1614			if (im.error) {
1615				bus_dmamem_free(fc->tdmat, base, fc->tdmap);
1616				bus_dma_tag_destroy(fc->tdmat);
1617				goto bad;
1618			}
1619		}
1620	}
1621
1622	for (i = 0; i < isp->isp_maxcmds; i++) {
1623		struct isp_pcmd *pcmd = &isp->isp_osinfo.pcmd_pool[i];
1624		error = bus_dmamap_create(isp->isp_osinfo.dmat, 0, &pcmd->dmap);
1625		if (error) {
1626			isp_prt(isp, ISP_LOGERR, "error %d creating per-cmd DMA maps", error);
1627			while (--i >= 0) {
1628				bus_dmamap_destroy(isp->isp_osinfo.dmat, isp->isp_osinfo.pcmd_pool[i].dmap);
1629			}
1630			goto bad;
1631		}
1632		callout_init_mtx(&pcmd->wdog, &isp->isp_osinfo.lock, 0);
1633		if (i == isp->isp_maxcmds-1) {
1634			pcmd->next = NULL;
1635		} else {
1636			pcmd->next = &isp->isp_osinfo.pcmd_pool[i+1];
1637		}
1638	}
1639	isp->isp_osinfo.pcmd_free = &isp->isp_osinfo.pcmd_pool[0];
1640	ISP_LOCK(isp);
1641	return (0);
1642
1643bad:
1644	while (--cmap >= 0) {
1645		struct isp_fc *fc = ISP_FC_PC(isp, cmap);
1646		bus_dmamem_free(fc->tdmat, base, fc->tdmap);
1647		bus_dma_tag_destroy(fc->tdmat);
1648	}
1649	bus_dmamem_free(isp->isp_osinfo.cdmat, base, isp->isp_osinfo.cdmap);
1650	bus_dma_tag_destroy(isp->isp_osinfo.cdmat);
1651	free(isp->isp_xflist, M_DEVBUF);
1652#ifdef	ISP_TARGET_MODE
1653	free(isp->isp_tgtlist, M_DEVBUF);
1654#endif
1655	free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
1656	isp->isp_rquest = NULL;
1657	ISP_LOCK(isp);
1658	return (1);
1659}
1660
1661typedef struct {
1662	ispsoftc_t *isp;
1663	void *cmd_token;
1664	void *rq;	/* original request */
1665	int error;
1666	bus_size_t mapsize;
1667} mush_t;
1668
1669#define	MUSHERR_NOQENTRIES	-2
1670
1671#ifdef	ISP_TARGET_MODE
1672static void tdma2_2(void *, bus_dma_segment_t *, int, bus_size_t, int);
1673static void tdma2(void *, bus_dma_segment_t *, int, int);
1674
1675static void
1676tdma2_2(void *arg, bus_dma_segment_t *dm_segs, int nseg, bus_size_t mapsize, int error)
1677{
1678	mush_t *mp;
1679	mp = (mush_t *)arg;
1680	mp->mapsize = mapsize;
1681	tdma2(arg, dm_segs, nseg, error);
1682}
1683
1684static void
1685tdma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1686{
1687	mush_t *mp;
1688	ispsoftc_t *isp;
1689	struct ccb_scsiio *csio;
1690	isp_ddir_t ddir;
1691	ispreq_t *rq;
1692
1693	mp = (mush_t *) arg;
1694	if (error) {
1695		mp->error = error;
1696		return;
1697	}
1698	csio = mp->cmd_token;
1699	isp = mp->isp;
1700	rq = mp->rq;
1701	if (nseg) {
1702		if (sizeof (bus_addr_t) > 4) {
1703			if (nseg >= ISP_NSEG64_MAX) {
1704				isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG64_MAX);
1705				mp->error = EFAULT;
1706				return;
1707			}
1708			if (rq->req_header.rqs_entry_type == RQSTYPE_CTIO2) {
1709				rq->req_header.rqs_entry_type = RQSTYPE_CTIO3;
1710			}
1711		} else {
1712			if (nseg >= ISP_NSEG_MAX) {
1713				isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG_MAX);
1714				mp->error = EFAULT;
1715				return;
1716			}
1717		}
1718		if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1719			bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREWRITE);
1720			ddir = ISP_TO_DEVICE;
1721		} else if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
1722			bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREREAD);
1723			ddir = ISP_FROM_DEVICE;
1724		} else {
1725			ddir = ISP_NOXFR;
1726		}
1727	} else {
1728		dm_segs = NULL;
1729		nseg = 0;
1730		ddir = ISP_NOXFR;
1731	}
1732
1733	if (isp_send_tgt_cmd(isp, rq, dm_segs, nseg, XS_XFRLEN(csio), ddir, &csio->sense_data, csio->sense_len) != CMD_QUEUED) {
1734		mp->error = MUSHERR_NOQENTRIES;
1735	}
1736}
1737#endif
1738
1739static void dma2_2(void *, bus_dma_segment_t *, int, bus_size_t, int);
1740static void dma2(void *, bus_dma_segment_t *, int, int);
1741
1742static void
1743dma2_2(void *arg, bus_dma_segment_t *dm_segs, int nseg, bus_size_t mapsize, int error)
1744{
1745	mush_t *mp;
1746	mp = (mush_t *)arg;
1747	mp->mapsize = mapsize;
1748	dma2(arg, dm_segs, nseg, error);
1749}
1750
1751static void
1752dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
1753{
1754	mush_t *mp;
1755	ispsoftc_t *isp;
1756	struct ccb_scsiio *csio;
1757	isp_ddir_t ddir;
1758	ispreq_t *rq;
1759
1760	mp = (mush_t *) arg;
1761	if (error) {
1762		mp->error = error;
1763		return;
1764	}
1765	csio = mp->cmd_token;
1766	isp = mp->isp;
1767	rq = mp->rq;
1768	if (nseg) {
1769		if (sizeof (bus_addr_t) > 4) {
1770			if (nseg >= ISP_NSEG64_MAX) {
1771				isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG64_MAX);
1772				mp->error = EFAULT;
1773				return;
1774			}
1775			if (rq->req_header.rqs_entry_type == RQSTYPE_T2RQS) {
1776				rq->req_header.rqs_entry_type = RQSTYPE_T3RQS;
1777			} else if (rq->req_header.rqs_entry_type == RQSTYPE_REQUEST) {
1778				rq->req_header.rqs_entry_type = RQSTYPE_A64;
1779			}
1780		} else {
1781			if (nseg >= ISP_NSEG_MAX) {
1782				isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG_MAX);
1783				mp->error = EFAULT;
1784				return;
1785			}
1786		}
1787		if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
1788			bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREREAD);
1789			ddir = ISP_FROM_DEVICE;
1790		} else if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
1791			bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREWRITE);
1792			ddir = ISP_TO_DEVICE;
1793		} else {
1794			ddir = ISP_NOXFR;
1795		}
1796	} else {
1797		dm_segs = NULL;
1798		nseg = 0;
1799		ddir = ISP_NOXFR;
1800	}
1801
1802	if (isp_send_cmd(isp, rq, dm_segs, nseg, XS_XFRLEN(csio), ddir) != CMD_QUEUED) {
1803		mp->error = MUSHERR_NOQENTRIES;
1804	}
1805}
1806
1807static int
1808isp_pci_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *ff)
1809{
1810	mush_t mush, *mp;
1811	void (*eptr)(void *, bus_dma_segment_t *, int, int);
1812	void (*eptr2)(void *, bus_dma_segment_t *, int, bus_size_t, int);
1813
1814	mp = &mush;
1815	mp->isp = isp;
1816	mp->cmd_token = csio;
1817	mp->rq = ff;
1818	mp->error = 0;
1819	mp->mapsize = 0;
1820
1821#ifdef	ISP_TARGET_MODE
1822	if (csio->ccb_h.func_code == XPT_CONT_TARGET_IO) {
1823		eptr = tdma2;
1824		eptr2 = tdma2_2;
1825	} else
1826#endif
1827	{
1828		eptr = dma2;
1829		eptr2 = dma2_2;
1830	}
1831
1832
1833	if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_NONE || (csio->dxfer_len == 0)) {
1834		(*eptr)(mp, NULL, 0, 0);
1835	} else if ((csio->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
1836		if ((csio->ccb_h.flags & CAM_DATA_PHYS) == 0) {
1837			int error;
1838			error = bus_dmamap_load(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, csio->data_ptr, csio->dxfer_len, eptr, mp, 0);
1839#if 0
1840			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);
1841#endif
1842
1843			if (error == EINPROGRESS) {
1844				bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
1845				mp->error = EINVAL;
1846				isp_prt(isp, ISP_LOGERR, "deferred dma allocation not supported");
1847			} else if (error && mp->error == 0) {
1848#ifdef	DIAGNOSTIC
1849				isp_prt(isp, ISP_LOGERR, "error %d in dma mapping code", error);
1850#endif
1851				mp->error = error;
1852			}
1853		} else {
1854			/* Pointer to physical buffer */
1855			struct bus_dma_segment seg;
1856			seg.ds_addr = (bus_addr_t)(vm_offset_t)csio->data_ptr;
1857			seg.ds_len = csio->dxfer_len;
1858			(*eptr)(mp, &seg, 1, 0);
1859		}
1860	} else {
1861		struct bus_dma_segment *segs;
1862
1863		if ((csio->ccb_h.flags & CAM_DATA_PHYS) != 0) {
1864			isp_prt(isp, ISP_LOGERR, "Physical segment pointers unsupported");
1865			mp->error = EINVAL;
1866		} else if ((csio->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) {
1867			struct uio sguio;
1868			int error;
1869
1870			/*
1871			 * We're taking advantage of the fact that
1872			 * the pointer/length sizes and layout of the iovec
1873			 * structure are the same as the bus_dma_segment
1874			 * structure.  This might be a little dangerous,
1875			 * but only if they change the structures, which
1876			 * seems unlikely.
1877			 */
1878			KASSERT((sizeof (sguio.uio_iov) == sizeof (csio->data_ptr) &&
1879			    sizeof (sguio.uio_iovcnt) >= sizeof (csio->sglist_cnt) &&
1880			    sizeof (sguio.uio_resid) >= sizeof (csio->dxfer_len)), ("Ken's assumption failed"));
1881			sguio.uio_iov = (struct iovec *)csio->data_ptr;
1882			sguio.uio_iovcnt = csio->sglist_cnt;
1883			sguio.uio_resid = csio->dxfer_len;
1884			sguio.uio_segflg = UIO_SYSSPACE;
1885
1886			error = bus_dmamap_load_uio(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, &sguio, eptr2, mp, 0);
1887
1888			if (error != 0 && mp->error == 0) {
1889				isp_prt(isp, ISP_LOGERR, "error %d in dma mapping code", error);
1890				mp->error = error;
1891			}
1892		} else {
1893			/* Just use the segments provided */
1894			segs = (struct bus_dma_segment *) csio->data_ptr;
1895			(*eptr)(mp, segs, csio->sglist_cnt, 0);
1896		}
1897	}
1898	if (mp->error) {
1899		int retval = CMD_COMPLETE;
1900		if (mp->error == MUSHERR_NOQENTRIES) {
1901			retval = CMD_EAGAIN;
1902		} else if (mp->error == EFBIG) {
1903			XS_SETERR(csio, CAM_REQ_TOO_BIG);
1904		} else if (mp->error == EINVAL) {
1905			XS_SETERR(csio, CAM_REQ_INVALID);
1906		} else {
1907			XS_SETERR(csio, CAM_UNREC_HBA_ERROR);
1908		}
1909		return (retval);
1910	}
1911	return (CMD_QUEUED);
1912}
1913
1914static void
1915isp_pci_reset0(ispsoftc_t *isp)
1916{
1917	ISP_DISABLE_INTS(isp);
1918}
1919
1920static void
1921isp_pci_reset1(ispsoftc_t *isp)
1922{
1923	if (!IS_24XX(isp)) {
1924		/* Make sure the BIOS is disabled */
1925		isp_pci_wr_reg(isp, HCCR, PCI_HCCR_CMD_BIOS);
1926	}
1927	/* and enable interrupts */
1928	ISP_ENABLE_INTS(isp);
1929}
1930
1931static void
1932isp_pci_dumpregs(ispsoftc_t *isp, const char *msg)
1933{
1934	struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
1935	if (msg)
1936		printf("%s: %s\n", device_get_nameunit(isp->isp_dev), msg);
1937	else
1938		printf("%s:\n", device_get_nameunit(isp->isp_dev));
1939	if (IS_SCSI(isp))
1940		printf("    biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
1941	else
1942		printf("    biu_csr=%x", ISP_READ(isp, BIU2100_CSR));
1943	printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
1944	    ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
1945	printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
1946
1947
1948	if (IS_SCSI(isp)) {
1949		ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
1950		printf("    cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
1951			ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
1952			ISP_READ(isp, CDMA_FIFO_STS));
1953		printf("    ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
1954			ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
1955			ISP_READ(isp, DDMA_FIFO_STS));
1956		printf("    sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
1957			ISP_READ(isp, SXP_INTERRUPT),
1958			ISP_READ(isp, SXP_GROSS_ERR),
1959			ISP_READ(isp, SXP_PINS_CTRL));
1960		ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
1961	}
1962	printf("    mbox regs: %x %x %x %x %x\n",
1963	    ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
1964	    ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
1965	    ISP_READ(isp, OUTMAILBOX4));
1966	printf("    PCI Status Command/Status=%x\n",
1967	    pci_read_config(pcs->pci_dev, PCIR_COMMAND, 1));
1968}
1969