xref: /freebsd/sys/dev/mpt/mpt_pci.c (revision 718cf2ccb9956613756ab15d7a0e28f2c8e91cab)
1aad970f1SDavid E. O'Brien /*-
2eae4a35fSMatt Jacob  * PCI specific probe and attach routines for LSI Fusion Adapters
39b631363SMatt Jacob  * FreeBSD Version.
49b631363SMatt Jacob  *
5*718cf2ccSPedro F. Giffuni  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD AND BSD-3-Clause
6*718cf2ccSPedro F. Giffuni  *
79b631363SMatt Jacob  * Copyright (c) 2000, 2001 by Greg Ansley
89b631363SMatt Jacob  * Partially derived from Matt Jacob's ISP driver.
9aad970f1SDavid E. O'Brien  * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002 by Matthew Jacob
10aad970f1SDavid E. O'Brien  * Feral Software
11aad970f1SDavid E. O'Brien  * All rights reserved.
129b631363SMatt Jacob  *
139b631363SMatt Jacob  * Redistribution and use in source and binary forms, with or without
149b631363SMatt Jacob  * modification, are permitted provided that the following conditions
159b631363SMatt Jacob  * are met:
169b631363SMatt Jacob  * 1. Redistributions of source code must retain the above copyright
179b631363SMatt Jacob  *    notice immediately at the beginning of the file, without modification,
189b631363SMatt Jacob  *    this list of conditions, and the following disclaimer.
199b631363SMatt Jacob  * 2. The name of the author may not be used to endorse or promote products
209b631363SMatt Jacob  *    derived from this software without specific prior written permission.
219b631363SMatt Jacob  *
229b631363SMatt Jacob  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
239b631363SMatt Jacob  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
249b631363SMatt Jacob  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
259b631363SMatt Jacob  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
269b631363SMatt Jacob  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
279b631363SMatt Jacob  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
289b631363SMatt Jacob  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
299b631363SMatt Jacob  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
309b631363SMatt Jacob  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
319b631363SMatt Jacob  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
329b631363SMatt Jacob  * SUCH DAMAGE.
339b631363SMatt Jacob  */
340b80d21bSMatt Jacob /*-
350b80d21bSMatt Jacob  * Copyright (c) 2002, 2006 by Matthew Jacob
360b80d21bSMatt Jacob  * All rights reserved.
370b80d21bSMatt Jacob  *
380b80d21bSMatt Jacob  * Redistribution and use in source and binary forms, with or without
390b80d21bSMatt Jacob  * modification, are permitted provided that the following conditions are
400b80d21bSMatt Jacob  * met:
410b80d21bSMatt Jacob  * 1. Redistributions of source code must retain the above copyright
420b80d21bSMatt Jacob  *    notice, this list of conditions and the following disclaimer.
430b80d21bSMatt Jacob  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
440b80d21bSMatt Jacob  *    substantially similar to the "NO WARRANTY" disclaimer below
450b80d21bSMatt Jacob  *    ("Disclaimer") and any redistribution must be conditioned upon including
460b80d21bSMatt Jacob  *    a substantially similar Disclaimer requirement for further binary
470b80d21bSMatt Jacob  *    redistribution.
480b80d21bSMatt Jacob  * 3. Neither the names of the above listed copyright holders nor the names
490b80d21bSMatt Jacob  *    of any contributors may be used to endorse or promote products derived
500b80d21bSMatt Jacob  *    from this software without specific prior written permission.
510b80d21bSMatt Jacob  *
520b80d21bSMatt Jacob  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
530b80d21bSMatt Jacob  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
540b80d21bSMatt Jacob  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
550b80d21bSMatt Jacob  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
560b80d21bSMatt Jacob  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
570b80d21bSMatt Jacob  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
580b80d21bSMatt Jacob  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
590b80d21bSMatt Jacob  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
600b80d21bSMatt Jacob  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
610b80d21bSMatt Jacob  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
620b80d21bSMatt Jacob  * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
630b80d21bSMatt Jacob  *
640b80d21bSMatt Jacob  * Support from Chris Ellsworth in order to make SAS adapters work
650b80d21bSMatt Jacob  * is gratefully acknowledged.
66ec5fe39dSMatt Jacob  *
67ec5fe39dSMatt Jacob  * Support from LSI-Logic has also gone a great deal toward making this a
68ec5fe39dSMatt Jacob  * workable subsystem and is gratefully acknowledged.
690b80d21bSMatt Jacob  */
70b0a2fdeeSScott Long /*
71b0a2fdeeSScott Long  * Copyright (c) 2004, Avid Technology, Inc. and its contributors.
72b0a2fdeeSScott Long  * Copyright (c) 2005, WHEEL Sp. z o.o.
73b0a2fdeeSScott Long  * Copyright (c) 2004, 2005 Justin T. Gibbs
74b0a2fdeeSScott Long  * All rights reserved.
75b0a2fdeeSScott Long  *
76b0a2fdeeSScott Long  * Redistribution and use in source and binary forms, with or without
77b0a2fdeeSScott Long  * modification, are permitted provided that the following conditions are
78b0a2fdeeSScott Long  * met:
79b0a2fdeeSScott Long  * 1. Redistributions of source code must retain the above copyright
80b0a2fdeeSScott Long  *    notice, this list of conditions and the following disclaimer.
81b0a2fdeeSScott Long  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
82b0a2fdeeSScott Long  *    substantially similar to the "NO WARRANTY" disclaimer below
83b0a2fdeeSScott Long  *    ("Disclaimer") and any redistribution must be conditioned upon including
84b0a2fdeeSScott Long  *    a substantially similar Disclaimer requirement for further binary
85b0a2fdeeSScott Long  *    redistribution.
86286e947fSJustin T. Gibbs  * 3. Neither the names of the above listed copyright holders nor the names
87286e947fSJustin T. Gibbs  *    of any contributors may be used to endorse or promote products derived
88286e947fSJustin T. Gibbs  *    from this software without specific prior written permission.
89b0a2fdeeSScott Long  *
90b0a2fdeeSScott Long  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
91b0a2fdeeSScott Long  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
92b0a2fdeeSScott Long  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
93b0a2fdeeSScott Long  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
94b0a2fdeeSScott Long  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
95b0a2fdeeSScott Long  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
96b0a2fdeeSScott Long  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
97b0a2fdeeSScott Long  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
98b0a2fdeeSScott Long  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
99b0a2fdeeSScott Long  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
100b0a2fdeeSScott Long  * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
101b0a2fdeeSScott Long  */
102aad970f1SDavid E. O'Brien 
103aad970f1SDavid E. O'Brien #include <sys/cdefs.h>
104aad970f1SDavid E. O'Brien __FBSDID("$FreeBSD$");
1059b631363SMatt Jacob 
106b0a2fdeeSScott Long #include <dev/mpt/mpt.h>
107b0a2fdeeSScott Long #include <dev/mpt/mpt_cam.h>
108b0a2fdeeSScott Long #include <dev/mpt/mpt_raid.h>
1097104aeefSMatt Jacob 
110fd61f421SMarius Strobl /*
111fd61f421SMarius Strobl  * XXX it seems no other MPT driver knows about the following chips.
112fd61f421SMarius Strobl  */
113fd61f421SMarius Strobl 
114fd61f421SMarius Strobl #ifndef	MPI_MANUFACTPAGE_DEVICEID_FC909_FB
115fd61f421SMarius Strobl #define	MPI_MANUFACTPAGE_DEVICEID_FC909_FB	0x0620
1169b631363SMatt Jacob #endif
1179b631363SMatt Jacob 
118fd61f421SMarius Strobl #ifndef	MPI_MANUFACTPAGE_DEVICEID_FC919_LAN_FB
119fd61f421SMarius Strobl #define	MPI_MANUFACTPAGE_DEVICEID_FC919_LAN_FB	0x0625
1209b631363SMatt Jacob #endif
1219b631363SMatt Jacob 
122fd61f421SMarius Strobl #ifndef	MPI_MANUFACTPAGE_DEVICEID_FC929_LAN_FB
123fd61f421SMarius Strobl #define	MPI_MANUFACTPAGE_DEVICEID_FC929_LAN_FB	0x0623
124eae4a35fSMatt Jacob #endif
125eae4a35fSMatt Jacob 
126fd61f421SMarius Strobl #ifndef	MPI_MANUFACTPAGE_DEVICEID_FC929X_LAN_FB
127fd61f421SMarius Strobl #define	MPI_MANUFACTPAGE_DEVICEID_FC929X_LAN_FB	0x0627
128aca01e38SMatt Jacob #endif
129aca01e38SMatt Jacob 
130fd61f421SMarius Strobl #ifndef	MPI_MANUFACTPAGE_DEVICEID_FC919X_LAN_FB
131fd61f421SMarius Strobl #define	MPI_MANUFACTPAGE_DEVICEID_FC919X_LAN_FB	0x0629
132aa6e8dfdSKenneth D. Merry #endif
133aa6e8dfdSKenneth D. Merry 
134fd61f421SMarius Strobl #ifndef MPI_MANUFACTPAGE_DEVID_SAS1068A_FB
135fd61f421SMarius Strobl #define MPI_MANUFACTPAGE_DEVID_SAS1068A_FB	0x0055
1369b631363SMatt Jacob #endif
1379b631363SMatt Jacob 
1386fe8be54SMarius Strobl #ifndef	MPI_MANUFACTPAGE_DEVID_SAS1068E_FB
1396fe8be54SMarius Strobl #define	MPI_MANUFACTPAGE_DEVID_SAS1068E_FB	0x0059
1406fe8be54SMarius Strobl #endif
1416fe8be54SMarius Strobl 
142fd61f421SMarius Strobl #ifndef	MPI_MANUFACTPAGE_DEVID_SAS1078DE_FB
143fd61f421SMarius Strobl #define	MPI_MANUFACTPAGE_DEVID_SAS1078DE_FB	0x007C
14418b2a6d9SXin LI #endif
14518b2a6d9SXin LI 
146b0a2fdeeSScott Long static int mpt_pci_probe(device_t);
147b0a2fdeeSScott Long static int mpt_pci_attach(device_t);
148b0a2fdeeSScott Long static void mpt_free_bus_resources(struct mpt_softc *mpt);
149b0a2fdeeSScott Long static int mpt_pci_detach(device_t);
150b0a2fdeeSScott Long static int mpt_pci_shutdown(device_t);
151b0a2fdeeSScott Long static int mpt_dma_mem_alloc(struct mpt_softc *mpt);
152b0a2fdeeSScott Long static void mpt_dma_mem_free(struct mpt_softc *mpt);
15387e255acSMarius Strobl #if 0
154fd61f421SMarius Strobl static void mpt_read_config_regs(struct mpt_softc *mpt);
15587e255acSMarius Strobl static void mpt_set_config_regs(struct mpt_softc *mpt);
15687e255acSMarius Strobl #endif
1577104aeefSMatt Jacob static void mpt_pci_intr(void *);
1589b631363SMatt Jacob 
1599b631363SMatt Jacob static device_method_t mpt_methods[] = {
1609b631363SMatt Jacob 	/* Device interface */
161b0a2fdeeSScott Long 	DEVMETHOD(device_probe,		mpt_pci_probe),
162b0a2fdeeSScott Long 	DEVMETHOD(device_attach,	mpt_pci_attach),
163b0a2fdeeSScott Long 	DEVMETHOD(device_detach,	mpt_pci_detach),
164b0a2fdeeSScott Long 	DEVMETHOD(device_shutdown,	mpt_pci_shutdown),
165fd61f421SMarius Strobl 	DEVMETHOD_END
1669b631363SMatt Jacob };
1679b631363SMatt Jacob 
1689b631363SMatt Jacob static driver_t mpt_driver = {
169b0a2fdeeSScott Long 	"mpt", mpt_methods, sizeof(struct mpt_softc)
1709b631363SMatt Jacob };
171e6ebfc7cSMarius Strobl 
1729b631363SMatt Jacob static devclass_t mpt_devclass;
173fd61f421SMarius Strobl DRIVER_MODULE(mpt, pci, mpt_driver, mpt_devclass, NULL, NULL);
1745bac03f9SMatt Jacob MODULE_DEPEND(mpt, pci, 1, 1, 1);
1759b631363SMatt Jacob MODULE_VERSION(mpt, 1);
1769b631363SMatt Jacob 
1779b631363SMatt Jacob static int
178b0a2fdeeSScott Long mpt_pci_probe(device_t dev)
1799b631363SMatt Jacob {
180fd61f421SMarius Strobl 	const char *desc;
181bb16310aSMarius Strobl 	int rval;
1829b631363SMatt Jacob 
183fd61f421SMarius Strobl 	if (pci_get_vendor(dev) != MPI_MANUFACTPAGE_VENDORID_LSILOGIC)
1849b631363SMatt Jacob 		return (ENXIO);
1859b631363SMatt Jacob 
186bb16310aSMarius Strobl 	rval = BUS_PROBE_DEFAULT;
187aa6e8dfdSKenneth D. Merry 	switch (pci_get_device(dev)) {
188fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC909_FB:
1899b631363SMatt Jacob 		desc = "LSILogic FC909 FC Adapter";
1909b631363SMatt Jacob 		break;
191fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC909:
192eae4a35fSMatt Jacob 		desc = "LSILogic FC909A FC Adapter";
193eae4a35fSMatt Jacob 		break;
194fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC919:
195aca01e38SMatt Jacob 		desc = "LSILogic FC919 FC Adapter";
196aca01e38SMatt Jacob 		break;
197fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC919_LAN_FB:
198aa6e8dfdSKenneth D. Merry 		desc = "LSILogic FC919 LAN Adapter";
199aa6e8dfdSKenneth D. Merry 		break;
200fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC929:
201167197aeSMatt Jacob 		desc = "Dual LSILogic FC929 FC Adapter";
2029b631363SMatt Jacob 		break;
203fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC929_LAN_FB:
204aa6e8dfdSKenneth D. Merry 		desc = "Dual LSILogic FC929 LAN Adapter";
205aa6e8dfdSKenneth D. Merry 		break;
206fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC919X:
207167197aeSMatt Jacob 		desc = "LSILogic FC919 FC PCI-X Adapter";
2085b405b07SMatt Jacob 		break;
209fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC919X_LAN_FB:
210aa6e8dfdSKenneth D. Merry 		desc = "LSILogic FC919 LAN PCI-X Adapter";
211aa6e8dfdSKenneth D. Merry 		break;
212fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC929X:
213167197aeSMatt Jacob 		desc = "Dual LSILogic FC929X 2Gb/s FC PCI-X Adapter";
214167197aeSMatt Jacob 		break;
215fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC929X_LAN_FB:
216aa6e8dfdSKenneth D. Merry 		desc = "Dual LSILogic FC929X LAN PCI-X Adapter";
217aa6e8dfdSKenneth D. Merry 		break;
218fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC949E:
219167197aeSMatt Jacob 		desc = "Dual LSILogic FC7X04X 4Gb/s FC PCI-Express Adapter";
2200d3baffaSMatt Jacob 		break;
221fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC949X:
222167197aeSMatt Jacob 		desc = "Dual LSILogic FC7X04X 4Gb/s FC PCI-X Adapter";
223519d7f81SMatt Jacob 		break;
224fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_53C1030:
225fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_53C1030ZC:
2269b631363SMatt Jacob 		desc = "LSILogic 1030 Ultra4 Adapter";
2279b631363SMatt Jacob 		break;
228bb16310aSMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1068E_FB:
229bb16310aSMarius Strobl 		/*
230bb16310aSMarius Strobl 		 * Allow mfi(4) to claim this device in case it's in MegaRAID
231bb16310aSMarius Strobl 		 * mode.
232bb16310aSMarius Strobl 		 */
233bb16310aSMarius Strobl 		rval = BUS_PROBE_LOW_PRIORITY;
234bb16310aSMarius Strobl 		/* FALLTHROUGH */
235fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1064:
236fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1064A:
237fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1064E:
238fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1066:
239fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1066E:
240fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1068:
241fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1068A_FB:
242fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1068E:
243fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1078:
244fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1078DE_FB:
245167197aeSMatt Jacob 		desc = "LSILogic SAS/SATA Adapter";
246444dd2b6SMatt Jacob 		break;
2479b631363SMatt Jacob 	default:
2489b631363SMatt Jacob 		return (ENXIO);
2499b631363SMatt Jacob 	}
2509b631363SMatt Jacob 
2519b631363SMatt Jacob 	device_set_desc(dev, desc);
252bb16310aSMarius Strobl 	return (rval);
2539b631363SMatt Jacob }
2549b631363SMatt Jacob 
2559b631363SMatt Jacob static void
256b0a2fdeeSScott Long mpt_set_options(struct mpt_softc *mpt)
2579b631363SMatt Jacob {
2589b631363SMatt Jacob 	int tval;
2599b631363SMatt Jacob 
2609b631363SMatt Jacob 	tval = 0;
2619b631363SMatt Jacob 	if (resource_int_value(device_get_name(mpt->dev),
2629b631363SMatt Jacob 	    device_get_unit(mpt->dev), "debug", &tval) == 0 && tval != 0) {
26338a56edbSMatt Jacob 		mpt->verbose = tval;
2649b631363SMatt Jacob 	}
265b4c618c0SMatt Jacob 	tval = -1;
266c87e3f83SMatt Jacob 	if (resource_int_value(device_get_name(mpt->dev),
267b4c618c0SMatt Jacob 	    device_get_unit(mpt->dev), "role", &tval) == 0 && tval >= 0 &&
268c87e3f83SMatt Jacob 	    tval <= 3) {
269b4c618c0SMatt Jacob 		mpt->cfg_role = tval;
270b4c618c0SMatt Jacob 		mpt->do_cfg_role = 1;
271c87e3f83SMatt Jacob 	}
272804625eeSMatt Jacob 	tval = 0;
27396dc1a53SMatt Jacob 	mpt->msi_enable = 0;
274caa59dc8SMarius Strobl 	if (mpt->is_sas)
275804625eeSMatt Jacob 		mpt->msi_enable = 1;
276caa59dc8SMarius Strobl 	if (resource_int_value(device_get_name(mpt->dev),
277caa59dc8SMarius Strobl 	    device_get_unit(mpt->dev), "msi_enable", &tval) == 0) {
278caa59dc8SMarius Strobl 		mpt->msi_enable = tval;
279804625eeSMatt Jacob 	}
2809b631363SMatt Jacob }
2819b631363SMatt Jacob 
282e6ebfc7cSMarius Strobl #if 0
283019717e0SMatt Jacob static void
284b0a2fdeeSScott Long mpt_link_peer(struct mpt_softc *mpt)
285019717e0SMatt Jacob {
286b0a2fdeeSScott Long 	struct mpt_softc *mpt2;
287019717e0SMatt Jacob 
2885089bd63SMatt Jacob 	if (mpt->unit == 0) {
289019717e0SMatt Jacob 		return;
2905089bd63SMatt Jacob 	}
291019717e0SMatt Jacob 	/*
292019717e0SMatt Jacob 	 * XXX: depends on probe order
293019717e0SMatt Jacob 	 */
294b0a2fdeeSScott Long 	mpt2 = (struct mpt_softc *)devclass_get_softc(mpt_devclass,mpt->unit-1);
295019717e0SMatt Jacob 
296019717e0SMatt Jacob 	if (mpt2 == NULL) {
297019717e0SMatt Jacob 		return;
298019717e0SMatt Jacob 	}
299019717e0SMatt Jacob 	if (pci_get_vendor(mpt2->dev) != pci_get_vendor(mpt->dev)) {
300019717e0SMatt Jacob 		return;
301019717e0SMatt Jacob 	}
302019717e0SMatt Jacob 	if (pci_get_device(mpt2->dev) != pci_get_device(mpt->dev)) {
303019717e0SMatt Jacob 		return;
304019717e0SMatt Jacob 	}
305019717e0SMatt Jacob 	mpt->mpt2 = mpt2;
306019717e0SMatt Jacob 	mpt2->mpt2 = mpt;
307b0a2fdeeSScott Long 	if (mpt->verbose >= MPT_PRT_DEBUG) {
308b0a2fdeeSScott Long 		mpt_prt(mpt, "linking with peer (mpt%d)\n",
309019717e0SMatt Jacob 		    device_get_unit(mpt2->dev));
310019717e0SMatt Jacob 	}
311019717e0SMatt Jacob }
312019717e0SMatt Jacob 
3135089bd63SMatt Jacob static void
3145089bd63SMatt Jacob mpt_unlink_peer(struct mpt_softc *mpt)
3155089bd63SMatt Jacob {
31687e255acSMarius Strobl 
3175089bd63SMatt Jacob 	if (mpt->mpt2) {
3185089bd63SMatt Jacob 		mpt->mpt2->mpt2 = NULL;
3195089bd63SMatt Jacob 	}
3205089bd63SMatt Jacob }
321e6ebfc7cSMarius Strobl #endif
3225089bd63SMatt Jacob 
3239b631363SMatt Jacob static int
324b0a2fdeeSScott Long mpt_pci_attach(device_t dev)
3259b631363SMatt Jacob {
326b0a2fdeeSScott Long 	struct mpt_softc *mpt;
3279b631363SMatt Jacob 	int		  iqd;
328e6ebfc7cSMarius Strobl 	uint32_t	  val;
329c97bb67aSMatt Jacob 	int		  mpt_io_bar, mpt_mem_bar;
3309b631363SMatt Jacob 
331b0a2fdeeSScott Long 	mpt  = (struct mpt_softc*)device_get_softc(dev);
332fd61f421SMarius Strobl 
333aa6e8dfdSKenneth D. Merry 	switch (pci_get_device(dev)) {
334fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC909_FB:
335fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC909:
336fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC919:
337fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC919_LAN_FB:
338fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC929:
339fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC929_LAN_FB:
340fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC929X:
341fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC929X_LAN_FB:
342fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC919X:
343fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC919X_LAN_FB:
344fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC949E:
345fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC949X:
3469b631363SMatt Jacob 		mpt->is_fc = 1;
3479b631363SMatt Jacob 		break;
348fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1078:
349fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1078DE_FB:
35004016bcfSMarius Strobl 		mpt->is_1078 = 1;
35104016bcfSMarius Strobl 		/* FALLTHROUGH */
352fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1064:
353fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1064A:
354fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1064E:
355fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1066:
356fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1066E:
357fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1068:
358fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1068A_FB:
359fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1068E:
3606fe8be54SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_SAS1068E_FB:
361444dd2b6SMatt Jacob 		mpt->is_sas = 1;
362444dd2b6SMatt Jacob 		break;
3639b631363SMatt Jacob 	default:
3645580ce96SMatt Jacob 		mpt->is_spi = 1;
3659b631363SMatt Jacob 		break;
3669b631363SMatt Jacob 	}
3679b631363SMatt Jacob 	mpt->dev = dev;
3689b631363SMatt Jacob 	mpt->unit = device_get_unit(dev);
369b0a2fdeeSScott Long 	mpt->raid_resync_rate = MPT_RAID_RESYNC_RATE_DEFAULT;
370b0a2fdeeSScott Long 	mpt->raid_mwce_setting = MPT_RAID_MWCE_DEFAULT;
371b0a2fdeeSScott Long 	mpt->raid_queue_depth = MPT_RAID_QUEUE_DEPTH_DEFAULT;
372444dd2b6SMatt Jacob 	mpt->verbose = MPT_PRT_NONE;
3735089bd63SMatt Jacob 	mpt->role = MPT_ROLE_NONE;
3748ba5efbdSMarius Strobl 	mpt->mpt_ini_id = MPT_INI_ID_NONE;
3758ba5efbdSMarius Strobl #ifdef __sparc64__
3768ba5efbdSMarius Strobl 	if (mpt->is_spi)
3778ba5efbdSMarius Strobl 		mpt->mpt_ini_id = OF_getscsinitid(dev);
3788ba5efbdSMarius Strobl #endif
3799b631363SMatt Jacob 	mpt_set_options(mpt);
380444dd2b6SMatt Jacob 	if (mpt->verbose == MPT_PRT_NONE) {
381444dd2b6SMatt Jacob 		mpt->verbose = MPT_PRT_WARN;
382444dd2b6SMatt Jacob 		/* Print INFO level (if any) if bootverbose is set */
3839b631363SMatt Jacob 		mpt->verbose += (bootverbose != 0)? 1 : 0;
384444dd2b6SMatt Jacob 	}
3859b631363SMatt Jacob 
3869b631363SMatt Jacob 	/*
3879b631363SMatt Jacob 	 * Make sure that SERR, PERR, WRITE INVALIDATE and BUSMASTER are set.
3889b631363SMatt Jacob 	 */
389e6ebfc7cSMarius Strobl 	val = pci_read_config(dev, PCIR_COMMAND, 2);
390e6ebfc7cSMarius Strobl 	val |= PCIM_CMD_SERRESPEN | PCIM_CMD_PERRESPEN |
3919b631363SMatt Jacob 	    PCIM_CMD_BUSMASTEREN | PCIM_CMD_MWRICEN;
392e6ebfc7cSMarius Strobl 	pci_write_config(dev, PCIR_COMMAND, val, 2);
3939b631363SMatt Jacob 
3949b631363SMatt Jacob 	/*
3959b631363SMatt Jacob 	 * Make sure we've disabled the ROM.
3969b631363SMatt Jacob 	 */
397e6ebfc7cSMarius Strobl 	val = pci_read_config(dev, PCIR_BIOS, 4);
398e6ebfc7cSMarius Strobl 	val &= ~PCIM_BIOS_ENABLE;
399e6ebfc7cSMarius Strobl 	pci_write_config(dev, PCIR_BIOS, val, 4);
4009b631363SMatt Jacob 
401e6ebfc7cSMarius Strobl #if 0
402019717e0SMatt Jacob 	/*
403019717e0SMatt Jacob 	 * Is this part a dual?
404019717e0SMatt Jacob 	 * If so, link with our partner (around yet)
405019717e0SMatt Jacob 	 */
406aa6e8dfdSKenneth D. Merry 	switch (pci_get_device(dev)) {
407fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC929:
408fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC929_LAN_FB:
409fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC949E:
410fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVICEID_FC949X:
411fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_53C1030:
412fd61f421SMarius Strobl 	case MPI_MANUFACTPAGE_DEVID_53C1030ZC:
413019717e0SMatt Jacob 		mpt_link_peer(mpt);
414aa6e8dfdSKenneth D. Merry 		break;
415aa6e8dfdSKenneth D. Merry 	default:
416aa6e8dfdSKenneth D. Merry 		break;
4179b631363SMatt Jacob 	}
418e6ebfc7cSMarius Strobl #endif
4199b631363SMatt Jacob 
420b0a2fdeeSScott Long 	/*
421c97bb67aSMatt Jacob 	 * Figure out which are the I/O and MEM Bars
422c97bb67aSMatt Jacob 	 */
423e6ebfc7cSMarius Strobl 	val = pci_read_config(dev, PCIR_BAR(0), 4);
424e6ebfc7cSMarius Strobl 	if (PCI_BAR_IO(val)) {
425c97bb67aSMatt Jacob 		/* BAR0 is IO, BAR1 is memory */
426c97bb67aSMatt Jacob 		mpt_io_bar = 0;
427c97bb67aSMatt Jacob 		mpt_mem_bar = 1;
428c97bb67aSMatt Jacob 	} else {
429c97bb67aSMatt Jacob 		/* BAR0 is memory, BAR1 is IO */
430c97bb67aSMatt Jacob 		mpt_mem_bar = 0;
431c97bb67aSMatt Jacob 		mpt_io_bar = 1;
432c97bb67aSMatt Jacob 	}
433c97bb67aSMatt Jacob 
434c97bb67aSMatt Jacob 	/*
435b0a2fdeeSScott Long 	 * Set up register access.  PIO mode is required for
436444dd2b6SMatt Jacob 	 * certain reset operations (but must be disabled for
437444dd2b6SMatt Jacob 	 * some cards otherwise).
438b0a2fdeeSScott Long 	 */
439caa59dc8SMarius Strobl 	mpt_io_bar = PCIR_BAR(mpt_io_bar);
440e58ed102SJohn Baldwin 	mpt->pci_pio_reg = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
441caa59dc8SMarius Strobl 	    &mpt_io_bar, RF_ACTIVE);
442b0a2fdeeSScott Long 	if (mpt->pci_pio_reg == NULL) {
44304016bcfSMarius Strobl 		if (bootverbose) {
44404016bcfSMarius Strobl 			device_printf(dev,
44504016bcfSMarius Strobl 			    "unable to map registers in PIO mode\n");
4469b631363SMatt Jacob 		}
44704016bcfSMarius Strobl 	} else {
448b0a2fdeeSScott Long 		mpt->pci_pio_st = rman_get_bustag(mpt->pci_pio_reg);
449b0a2fdeeSScott Long 		mpt->pci_pio_sh = rman_get_bushandle(mpt->pci_pio_reg);
45004016bcfSMarius Strobl 	}
451b0a2fdeeSScott Long 
452caa59dc8SMarius Strobl 	mpt_mem_bar = PCIR_BAR(mpt_mem_bar);
453e58ed102SJohn Baldwin 	mpt->pci_reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
454caa59dc8SMarius Strobl 	    &mpt_mem_bar, RF_ACTIVE);
455b0a2fdeeSScott Long 	if (mpt->pci_reg == NULL) {
45604016bcfSMarius Strobl 		if (bootverbose || mpt->is_sas || mpt->pci_pio_reg == NULL) {
45704016bcfSMarius Strobl 			device_printf(dev,
45804016bcfSMarius Strobl 			    "Unable to memory map registers.\n");
45904016bcfSMarius Strobl 		}
46004016bcfSMarius Strobl 		if (mpt->is_sas || mpt->pci_pio_reg == NULL) {
461444dd2b6SMatt Jacob 			device_printf(dev, "Giving Up.\n");
462444dd2b6SMatt Jacob 			goto bad;
463444dd2b6SMatt Jacob 		}
46404016bcfSMarius Strobl 		if (bootverbose) {
465b0a2fdeeSScott Long 			device_printf(dev, "Falling back to PIO mode.\n");
46604016bcfSMarius Strobl 		}
467b0a2fdeeSScott Long 		mpt->pci_st = mpt->pci_pio_st;
468b0a2fdeeSScott Long 		mpt->pci_sh = mpt->pci_pio_sh;
469b0a2fdeeSScott Long 	} else {
4709b631363SMatt Jacob 		mpt->pci_st = rman_get_bustag(mpt->pci_reg);
4719b631363SMatt Jacob 		mpt->pci_sh = rman_get_bushandle(mpt->pci_reg);
472b0a2fdeeSScott Long 	}
4739b631363SMatt Jacob 
4749b631363SMatt Jacob 	/* Get a handle to the interrupt */
4759b631363SMatt Jacob 	iqd = 0;
4764ccac64eSJohn Baldwin 	if (mpt->msi_enable) {
4774ccac64eSJohn Baldwin 		/*
4784ccac64eSJohn Baldwin 		 * First try to alloc an MSI-X message.  If that
4794ccac64eSJohn Baldwin 		 * fails, then try to alloc an MSI message instead.
4804ccac64eSJohn Baldwin 		 */
481e6ebfc7cSMarius Strobl 		val = 1;
482e6ebfc7cSMarius Strobl 		if (pci_alloc_msix(dev, &val) == 0)
4834ccac64eSJohn Baldwin 			iqd = 1;
484e6ebfc7cSMarius Strobl 		val = 1;
485e6ebfc7cSMarius Strobl 		if (iqd == 0 && pci_alloc_msi(dev, &val) == 0)
486280388afSJohn Baldwin 			iqd = 1;
4874ccac64eSJohn Baldwin 	}
4885f96beb9SNate Lawson 	mpt->pci_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &iqd,
489e6ebfc7cSMarius Strobl 	    RF_ACTIVE | (iqd != 0 ? 0 : RF_SHAREABLE));
4909b631363SMatt Jacob 	if (mpt->pci_irq == NULL) {
4919b631363SMatt Jacob 		device_printf(dev, "could not allocate interrupt\n");
4929b631363SMatt Jacob 		goto bad;
4939b631363SMatt Jacob 	}
4949b631363SMatt Jacob 
4957104aeefSMatt Jacob 	MPT_LOCK_SETUP(mpt);
4967104aeefSMatt Jacob 
4979b631363SMatt Jacob 	/* Disable interrupts at the part */
4989b631363SMatt Jacob 	mpt_disable_ints(mpt);
4999b631363SMatt Jacob 
500b0a2fdeeSScott Long 	/* Register the interrupt handler */
501e6ebfc7cSMarius Strobl 	if (bus_setup_intr(dev, mpt->pci_irq, MPT_IFLAGS, NULL, mpt_pci_intr,
502b0a2fdeeSScott Long 	    mpt, &mpt->ih)) {
503b0a2fdeeSScott Long 		device_printf(dev, "could not setup interrupt\n");
504b0a2fdeeSScott Long 		goto bad;
505b0a2fdeeSScott Long 	}
506b0a2fdeeSScott Long 
5079b631363SMatt Jacob 	/* Allocate dma memory */
5089b631363SMatt Jacob 	if (mpt_dma_mem_alloc(mpt)) {
5095a4c2d0eSMatt Jacob 		mpt_prt(mpt, "Could not allocate DMA memory\n");
5109b631363SMatt Jacob 		goto bad;
5119b631363SMatt Jacob 	}
5129b631363SMatt Jacob 
513fd61f421SMarius Strobl #if 0
5147104aeefSMatt Jacob 	/*
5157104aeefSMatt Jacob 	 * Save the PCI config register values
5167104aeefSMatt Jacob  	 *
5177104aeefSMatt Jacob 	 * Hard resets are known to screw up the BAR for diagnostic
5187104aeefSMatt Jacob 	 * memory accesses (Mem1).
5197104aeefSMatt Jacob 	 *
5207104aeefSMatt Jacob 	 * Using Mem1 is known to make the chip stop responding to
5217104aeefSMatt Jacob 	 * configuration space transfers, so we need to save it now
5227104aeefSMatt Jacob 	 */
5239b631363SMatt Jacob 
5249b631363SMatt Jacob 	mpt_read_config_regs(mpt);
525fd61f421SMarius Strobl #endif
5269b631363SMatt Jacob 
527444dd2b6SMatt Jacob 	/*
528444dd2b6SMatt Jacob 	 * Disable PIO until we need it
529444dd2b6SMatt Jacob 	 */
5309fe6d254SMatt Jacob 	if (mpt->is_sas) {
531444dd2b6SMatt Jacob 		pci_disable_io(dev, SYS_RES_IOPORT);
5329fe6d254SMatt Jacob 	}
533444dd2b6SMatt Jacob 
5349b631363SMatt Jacob 	/* Initialize the hardware */
5359b631363SMatt Jacob 	if (mpt->disabled == 0) {
536b0a2fdeeSScott Long 		if (mpt_attach(mpt) != 0) {
5379b631363SMatt Jacob 			goto bad;
5389b631363SMatt Jacob 		}
539c87e3f83SMatt Jacob 	} else {
540c87e3f83SMatt Jacob 		mpt_prt(mpt, "device disabled at user request\n");
541c87e3f83SMatt Jacob 		goto bad;
5427104aeefSMatt Jacob 	}
5437104aeefSMatt Jacob 
544c87e3f83SMatt Jacob 	mpt->eh = EVENTHANDLER_REGISTER(shutdown_post_sync, mpt_pci_shutdown,
545c33c9789SAlexander Motin 	    dev, SHUTDOWN_PRI_LAST);
546c87e3f83SMatt Jacob 
547c87e3f83SMatt Jacob 	if (mpt->eh == NULL) {
548c87e3f83SMatt Jacob 		mpt_prt(mpt, "shutdown event registration failed\n");
549e6ebfc7cSMarius Strobl 		mpt_disable_ints(mpt);
550c87e3f83SMatt Jacob 		(void) mpt_detach(mpt);
551e6ebfc7cSMarius Strobl 		mpt_reset(mpt, /*reinit*/FALSE);
552e6ebfc7cSMarius Strobl 		mpt_raid_free_mem(mpt);
553c87e3f83SMatt Jacob 		goto bad;
554c87e3f83SMatt Jacob 	}
5559b631363SMatt Jacob 	return (0);
5569b631363SMatt Jacob 
5579b631363SMatt Jacob bad:
5589b631363SMatt Jacob 	mpt_dma_mem_free(mpt);
5599b631363SMatt Jacob 	mpt_free_bus_resources(mpt);
560e6ebfc7cSMarius Strobl #if 0
5615089bd63SMatt Jacob 	mpt_unlink_peer(mpt);
562e6ebfc7cSMarius Strobl #endif
5635089bd63SMatt Jacob 
5645089bd63SMatt Jacob 	MPT_LOCK_DESTROY(mpt);
5659b631363SMatt Jacob 
5669b631363SMatt Jacob 	/*
5679b631363SMatt Jacob 	 * but return zero to preserve unit numbering
5689b631363SMatt Jacob 	 */
5699b631363SMatt Jacob 	return (0);
5709b631363SMatt Jacob }
5719b631363SMatt Jacob 
5727104aeefSMatt Jacob /*
5739b631363SMatt Jacob  * Free bus resources
5749b631363SMatt Jacob  */
5759b631363SMatt Jacob static void
576b0a2fdeeSScott Long mpt_free_bus_resources(struct mpt_softc *mpt)
5779b631363SMatt Jacob {
57887e255acSMarius Strobl 
5799b631363SMatt Jacob 	if (mpt->ih) {
5809b631363SMatt Jacob 		bus_teardown_intr(mpt->dev, mpt->pci_irq, mpt->ih);
581caa59dc8SMarius Strobl 		mpt->ih = NULL;
5829b631363SMatt Jacob 	}
5839b631363SMatt Jacob 
5849b631363SMatt Jacob 	if (mpt->pci_irq) {
585280388afSJohn Baldwin 		bus_release_resource(mpt->dev, SYS_RES_IRQ,
586caa59dc8SMarius Strobl 		    rman_get_rid(mpt->pci_irq), mpt->pci_irq);
587280388afSJohn Baldwin 		pci_release_msi(mpt->dev);
588e6ebfc7cSMarius Strobl 		mpt->pci_irq = NULL;
589280388afSJohn Baldwin 	}
590280388afSJohn Baldwin 
591b0a2fdeeSScott Long 	if (mpt->pci_pio_reg) {
592caa59dc8SMarius Strobl 		bus_release_resource(mpt->dev, SYS_RES_IOPORT,
593caa59dc8SMarius Strobl 		    rman_get_rid(mpt->pci_pio_reg), mpt->pci_pio_reg);
594caa59dc8SMarius Strobl 		mpt->pci_pio_reg = NULL;
595b0a2fdeeSScott Long 	}
596e6ebfc7cSMarius Strobl 
5979b631363SMatt Jacob 	if (mpt->pci_reg) {
598caa59dc8SMarius Strobl 		bus_release_resource(mpt->dev, SYS_RES_MEMORY,
599caa59dc8SMarius Strobl 		    rman_get_rid(mpt->pci_reg), mpt->pci_reg);
600caa59dc8SMarius Strobl 		mpt->pci_reg = NULL;
6019b631363SMatt Jacob 	}
6029b631363SMatt Jacob }
6039b631363SMatt Jacob 
6047104aeefSMatt Jacob /*
6059b631363SMatt Jacob  * Disconnect ourselves from the system.
6069b631363SMatt Jacob  */
6079b631363SMatt Jacob static int
608b0a2fdeeSScott Long mpt_pci_detach(device_t dev)
6099b631363SMatt Jacob {
610b0a2fdeeSScott Long 	struct mpt_softc *mpt;
6119b631363SMatt Jacob 
612b0a2fdeeSScott Long 	mpt  = (struct mpt_softc*)device_get_softc(dev);
6139b631363SMatt Jacob 
6149b631363SMatt Jacob 	if (mpt) {
6159b631363SMatt Jacob 		mpt_disable_ints(mpt);
616b0a2fdeeSScott Long 		mpt_detach(mpt);
617b0a2fdeeSScott Long 		mpt_reset(mpt, /*reinit*/FALSE);
618e6ebfc7cSMarius Strobl 		mpt_raid_free_mem(mpt);
6199b631363SMatt Jacob 		mpt_dma_mem_free(mpt);
6209b631363SMatt Jacob 		mpt_free_bus_resources(mpt);
621e6ebfc7cSMarius Strobl #if 0
622e6ebfc7cSMarius Strobl 		mpt_unlink_peer(mpt);
623e6ebfc7cSMarius Strobl #endif
6241d79ca0eSMatt Jacob 		if (mpt->eh != NULL) {
62503285072SJohn Baldwin                         EVENTHANDLER_DEREGISTER(shutdown_post_sync, mpt->eh);
6261d79ca0eSMatt Jacob 		}
627e6ebfc7cSMarius Strobl 		MPT_LOCK_DESTROY(mpt);
6289b631363SMatt Jacob 	}
6299b631363SMatt Jacob 	return(0);
6309b631363SMatt Jacob }
6319b631363SMatt Jacob 
6327104aeefSMatt Jacob /*
6339b631363SMatt Jacob  * Disable the hardware
6349b631363SMatt Jacob  */
6359b631363SMatt Jacob static int
636b0a2fdeeSScott Long mpt_pci_shutdown(device_t dev)
6379b631363SMatt Jacob {
638b0a2fdeeSScott Long 	struct mpt_softc *mpt;
6399b631363SMatt Jacob 
640b0a2fdeeSScott Long 	mpt = (struct mpt_softc *)device_get_softc(dev);
641e6ebfc7cSMarius Strobl 	if (mpt)
642e6ebfc7cSMarius Strobl 		return (mpt_shutdown(mpt));
6439b631363SMatt Jacob 	return(0);
6449b631363SMatt Jacob }
6459b631363SMatt Jacob 
6469b631363SMatt Jacob static int
647b0a2fdeeSScott Long mpt_dma_mem_alloc(struct mpt_softc *mpt)
6489b631363SMatt Jacob {
6497dec90bcSMatt Jacob 	size_t len;
650b0a2fdeeSScott Long 	struct mpt_map_info mi;
6519b631363SMatt Jacob 
6529b631363SMatt Jacob 	/* Check if we alreay have allocated the reply memory */
653a89ec05eSPeter Wemm 	if (mpt->reply_phys != 0) {
6549b631363SMatt Jacob 		return 0;
6557dec90bcSMatt Jacob 	}
6567dec90bcSMatt Jacob 
657b0a2fdeeSScott Long 	len = sizeof (request_t) * MPT_MAX_REQUESTS(mpt);
658b0a2fdeeSScott Long 	mpt->request_pool = (request_t *)malloc(len, M_DEVBUF, M_WAITOK|M_ZERO);
6599b631363SMatt Jacob 
6609b631363SMatt Jacob 	/*
661444dd2b6SMatt Jacob 	 * Create a parent dma tag for this device.
6629b631363SMatt Jacob 	 *
6635a4c2d0eSMatt Jacob 	 * Align at byte boundaries,
6645a4c2d0eSMatt Jacob 	 * Limit to 32-bit addressing for request/reply queues.
6659b631363SMatt Jacob 	 */
666c686bf22SJohn Birrell 	if (mpt_dma_tag_create(mpt, /*parent*/bus_get_dma_tag(mpt->dev),
667c686bf22SJohn Birrell 	    /*alignment*/1, /*boundary*/0, /*lowaddr*/BUS_SPACE_MAXADDR,
668b0a2fdeeSScott Long 	    /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL,
669b0a2fdeeSScott Long 	    /*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
670fd435d5cSMarius Strobl 	    /*nsegments*/BUS_SPACE_UNRESTRICTED,
671fd435d5cSMarius Strobl 	    /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, /*flags*/0,
672b0a2fdeeSScott Long 	    &mpt->parent_dmat) != 0) {
6735a4c2d0eSMatt Jacob 		mpt_prt(mpt, "cannot create parent dma tag\n");
6749b631363SMatt Jacob 		return (1);
6759b631363SMatt Jacob 	}
6769b631363SMatt Jacob 
6779b631363SMatt Jacob 	/* Create a child tag for reply buffers */
6785a4c2d0eSMatt Jacob 	if (mpt_dma_tag_create(mpt, mpt->parent_dmat, PAGE_SIZE, 0,
6795a4c2d0eSMatt Jacob 	    BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
680444dd2b6SMatt Jacob 	    NULL, NULL, 2 * PAGE_SIZE, 1, BUS_SPACE_MAXSIZE_32BIT, 0,
681b0a2fdeeSScott Long 	    &mpt->reply_dmat) != 0) {
6825a4c2d0eSMatt Jacob 		mpt_prt(mpt, "cannot create a dma tag for replies\n");
6839b631363SMatt Jacob 		return (1);
6849b631363SMatt Jacob 	}
6859b631363SMatt Jacob 
6865ab13afcSMarius Strobl 	/* Allocate some DMA accessible memory for replies */
6879b631363SMatt Jacob 	if (bus_dmamem_alloc(mpt->reply_dmat, (void **)&mpt->reply,
6889b631363SMatt Jacob 	    BUS_DMA_NOWAIT, &mpt->reply_dmap) != 0) {
6895a4c2d0eSMatt Jacob 		mpt_prt(mpt, "cannot allocate %lu bytes of reply memory\n",
690444dd2b6SMatt Jacob 		    (u_long) (2 * PAGE_SIZE));
6919b631363SMatt Jacob 		return (1);
6929b631363SMatt Jacob 	}
6939b631363SMatt Jacob 
694b0a2fdeeSScott Long 	mi.mpt = mpt;
695b0a2fdeeSScott Long 	mi.error = 0;
6969b631363SMatt Jacob 
6979b631363SMatt Jacob 	/* Load and lock it into "bus space" */
6989b631363SMatt Jacob 	bus_dmamap_load(mpt->reply_dmat, mpt->reply_dmap, mpt->reply,
699444dd2b6SMatt Jacob 	    2 * PAGE_SIZE, mpt_map_rquest, &mi, 0);
7009b631363SMatt Jacob 
701b0a2fdeeSScott Long 	if (mi.error) {
7025a4c2d0eSMatt Jacob 		mpt_prt(mpt, "error %d loading dma map for DMA reply queue\n",
7035a4c2d0eSMatt Jacob 		    mi.error);
7049b631363SMatt Jacob 		return (1);
7059b631363SMatt Jacob 	}
706b0a2fdeeSScott Long 	mpt->reply_phys = mi.phys;
7079b631363SMatt Jacob 
7089b631363SMatt Jacob 	return (0);
7099b631363SMatt Jacob }
7109b631363SMatt Jacob 
7119b631363SMatt Jacob /* Deallocate memory that was allocated by mpt_dma_mem_alloc
7129b631363SMatt Jacob  */
7139b631363SMatt Jacob static void
714b0a2fdeeSScott Long mpt_dma_mem_free(struct mpt_softc *mpt)
7159b631363SMatt Jacob {
7169b631363SMatt Jacob 
7179b631363SMatt Jacob         /* Make sure we aren't double destroying */
7189b631363SMatt Jacob         if (mpt->reply_dmat == 0) {
7195a4c2d0eSMatt Jacob 		mpt_lprt(mpt, MPT_PRT_DEBUG, "already released dma memory\n");
7209b631363SMatt Jacob 		return;
7219b631363SMatt Jacob         }
7229b631363SMatt Jacob 
7239b631363SMatt Jacob 	bus_dmamap_unload(mpt->reply_dmat, mpt->reply_dmap);
7249b631363SMatt Jacob 	bus_dmamem_free(mpt->reply_dmat, mpt->reply, mpt->reply_dmap);
7259b631363SMatt Jacob 	bus_dma_tag_destroy(mpt->reply_dmat);
7269b631363SMatt Jacob 	bus_dma_tag_destroy(mpt->parent_dmat);
727caa59dc8SMarius Strobl 	mpt->reply_dmat = NULL;
7287dec90bcSMatt Jacob 	free(mpt->request_pool, M_DEVBUF);
729caa59dc8SMarius Strobl 	mpt->request_pool = NULL;
7309b631363SMatt Jacob }
7319b631363SMatt Jacob 
732fd61f421SMarius Strobl #if 0
7339b631363SMatt Jacob /* Reads modifiable (via PCI transactions) config registers */
7349b631363SMatt Jacob static void
735b0a2fdeeSScott Long mpt_read_config_regs(struct mpt_softc *mpt)
7369b631363SMatt Jacob {
73787e255acSMarius Strobl 
7389b631363SMatt Jacob 	mpt->pci_cfg.Command = pci_read_config(mpt->dev, PCIR_COMMAND, 2);
7399b631363SMatt Jacob 	mpt->pci_cfg.LatencyTimer_LineSize =
7409b631363SMatt Jacob 	    pci_read_config(mpt->dev, PCIR_CACHELNSZ, 2);
741e27951b2SJohn Baldwin 	mpt->pci_cfg.IO_BAR = pci_read_config(mpt->dev, PCIR_BAR(0), 4);
742e27951b2SJohn Baldwin 	mpt->pci_cfg.Mem0_BAR[0] = pci_read_config(mpt->dev, PCIR_BAR(1), 4);
743e27951b2SJohn Baldwin 	mpt->pci_cfg.Mem0_BAR[1] = pci_read_config(mpt->dev, PCIR_BAR(2), 4);
744e27951b2SJohn Baldwin 	mpt->pci_cfg.Mem1_BAR[0] = pci_read_config(mpt->dev, PCIR_BAR(3), 4);
745e27951b2SJohn Baldwin 	mpt->pci_cfg.Mem1_BAR[1] = pci_read_config(mpt->dev, PCIR_BAR(4), 4);
7469b631363SMatt Jacob 	mpt->pci_cfg.ROM_BAR = pci_read_config(mpt->dev, PCIR_BIOS, 4);
7479b631363SMatt Jacob 	mpt->pci_cfg.IntLine = pci_read_config(mpt->dev, PCIR_INTLINE, 1);
7489b631363SMatt Jacob 	mpt->pci_cfg.PMCSR = pci_read_config(mpt->dev, 0x44, 4);
7499b631363SMatt Jacob }
7509b631363SMatt Jacob 
7519b631363SMatt Jacob /* Sets modifiable config registers */
75287e255acSMarius Strobl static void
753b0a2fdeeSScott Long mpt_set_config_regs(struct mpt_softc *mpt)
7549b631363SMatt Jacob {
755b0a2fdeeSScott Long 	uint32_t val;
7569b631363SMatt Jacob 
7579b631363SMatt Jacob #define MPT_CHECK(reg, offset, size)					\
7589b631363SMatt Jacob 	val = pci_read_config(mpt->dev, offset, size);			\
7599b631363SMatt Jacob 	if (mpt->pci_cfg.reg != val) {					\
760301472c2SMatt Jacob 		mpt_prt(mpt,						\
7619b631363SMatt Jacob 		    "Restoring " #reg " to 0x%X from 0x%X\n",		\
7629b631363SMatt Jacob 		    mpt->pci_cfg.reg, val);				\
7639b631363SMatt Jacob 	}
7649b631363SMatt Jacob 
765b0a2fdeeSScott Long 	if (mpt->verbose >= MPT_PRT_DEBUG) {
7669b631363SMatt Jacob 		MPT_CHECK(Command, PCIR_COMMAND, 2);
7679b631363SMatt Jacob 		MPT_CHECK(LatencyTimer_LineSize, PCIR_CACHELNSZ, 2);
768e27951b2SJohn Baldwin 		MPT_CHECK(IO_BAR, PCIR_BAR(0), 4);
769e27951b2SJohn Baldwin 		MPT_CHECK(Mem0_BAR[0], PCIR_BAR(1), 4);
770e27951b2SJohn Baldwin 		MPT_CHECK(Mem0_BAR[1], PCIR_BAR(2), 4);
771e27951b2SJohn Baldwin 		MPT_CHECK(Mem1_BAR[0], PCIR_BAR(3), 4);
772e27951b2SJohn Baldwin 		MPT_CHECK(Mem1_BAR[1], PCIR_BAR(4), 4);
7739b631363SMatt Jacob 		MPT_CHECK(ROM_BAR, PCIR_BIOS, 4);
7749b631363SMatt Jacob 		MPT_CHECK(IntLine, PCIR_INTLINE, 1);
7759b631363SMatt Jacob 		MPT_CHECK(PMCSR, 0x44, 4);
7769b631363SMatt Jacob 	}
7779b631363SMatt Jacob #undef MPT_CHECK
7789b631363SMatt Jacob 
7799b631363SMatt Jacob 	pci_write_config(mpt->dev, PCIR_COMMAND, mpt->pci_cfg.Command, 2);
7809b631363SMatt Jacob 	pci_write_config(mpt->dev, PCIR_CACHELNSZ,
7819b631363SMatt Jacob 	    mpt->pci_cfg.LatencyTimer_LineSize, 2);
782e27951b2SJohn Baldwin 	pci_write_config(mpt->dev, PCIR_BAR(0), mpt->pci_cfg.IO_BAR, 4);
783e27951b2SJohn Baldwin 	pci_write_config(mpt->dev, PCIR_BAR(1), mpt->pci_cfg.Mem0_BAR[0], 4);
784e27951b2SJohn Baldwin 	pci_write_config(mpt->dev, PCIR_BAR(2), mpt->pci_cfg.Mem0_BAR[1], 4);
785e27951b2SJohn Baldwin 	pci_write_config(mpt->dev, PCIR_BAR(3), mpt->pci_cfg.Mem1_BAR[0], 4);
786e27951b2SJohn Baldwin 	pci_write_config(mpt->dev, PCIR_BAR(4), mpt->pci_cfg.Mem1_BAR[1], 4);
7879b631363SMatt Jacob 	pci_write_config(mpt->dev, PCIR_BIOS, mpt->pci_cfg.ROM_BAR, 4);
7889b631363SMatt Jacob 	pci_write_config(mpt->dev, PCIR_INTLINE, mpt->pci_cfg.IntLine, 1);
7899b631363SMatt Jacob 	pci_write_config(mpt->dev, 0x44, mpt->pci_cfg.PMCSR, 4);
7909b631363SMatt Jacob }
79187e255acSMarius Strobl #endif
7927104aeefSMatt Jacob 
7937104aeefSMatt Jacob static void
7947104aeefSMatt Jacob mpt_pci_intr(void *arg)
7957104aeefSMatt Jacob {
796b0a2fdeeSScott Long 	struct mpt_softc *mpt;
797b0a2fdeeSScott Long 
798b0a2fdeeSScott Long 	mpt = (struct mpt_softc *)arg;
7997104aeefSMatt Jacob 	MPT_LOCK(mpt);
800b0a2fdeeSScott Long 	mpt_intr(mpt);
8017104aeefSMatt Jacob 	MPT_UNLOCK(mpt);
8027104aeefSMatt Jacob }
803