[dragonfly.git] / sys / dev / raid / mfi / mfi_pci.c

/*-
 * Copyright (c) 2006 IronPort Systems
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
/*-
 * Copyright (c) 2007 LSI Corp.
 * Copyright (c) 2007 Rajesh Prabhakaran.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
/*-
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *            Copyright 1994-2009 The FreeBSD Project.
 *            All rights reserved.
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 *    THIS SOFTWARE IS PROVIDED BY THE FREEBSD PROJECT``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FREEBSD PROJECT OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY,OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION)HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation
 * are those of the authors and should not be interpreted as representing
 * official policies,either expressed or implied, of the FreeBSD Project.
 *
 * $FreeBSD: src/sys/dev/mfi/mfi_pci.c,v 1.16 2010/03/02 17:34:11 kib Exp $
 */

/* PCI/PCI-X/PCIe bus interface for the LSI MegaSAS controllers */

#include "opt_mfi.h"

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/conf.h>
#include <sys/buf2.h>
#include <sys/malloc.h>
#include <sys/uio.h>
#include <sys/eventhandler.h>

#include <sys/rman.h>

#include <bus/pci/pcireg.h>
#include <bus/pci/pcivar.h>

#include <dev/raid/mfi/mfireg.h>
#include <dev/raid/mfi/mfi_ioctl.h>
#include <dev/raid/mfi/mfivar.h>

static int	mfi_pci_probe(device_t);
static int	mfi_pci_attach(device_t);
static int	mfi_pci_detach(device_t);
static int	mfi_pci_suspend(device_t);
static int	mfi_pci_resume(device_t);
static void	mfi_pci_free(struct mfi_softc *);

static device_method_t mfi_methods[] = {
	DEVMETHOD(device_probe,		mfi_pci_probe),
	DEVMETHOD(device_attach,	mfi_pci_attach),
	DEVMETHOD(device_detach,	mfi_pci_detach),
	DEVMETHOD(device_suspend,	mfi_pci_suspend),
	DEVMETHOD(device_resume,	mfi_pci_resume),
	DEVMETHOD(bus_print_child,	bus_generic_print_child),
	DEVMETHOD(bus_driver_added,	bus_generic_driver_added),
	{ 0, 0 }
};

static driver_t mfi_pci_driver = {
	"mfi",
	mfi_methods,
	sizeof(struct mfi_softc)
};

static devclass_t	mfi_devclass;
DRIVER_MODULE(mfi, pci, mfi_pci_driver, mfi_devclass, NULL, NULL);
MODULE_VERSION(mfi, 1);

struct mfi_ident {
	uint16_t	vendor;
	uint16_t	device;
	uint16_t	subvendor;
	uint16_t	subdevice;
	int		flags;
	const char	*desc;
} mfi_identifiers[] = {
	{0x1000, 0x0060, 0x1028, 0xffff, MFI_FLAGS_1078,  "Dell PERC 6"},
	{0x1000, 0x0060, 0xffff, 0xffff, MFI_FLAGS_1078,  "LSI MegaSAS 1078"},
	{0x1000, 0x0071, 0xffff, 0xffff, MFI_FLAGS_SKINNY, "Drake Skinny"},
	{0x1000, 0x0073, 0xffff, 0xffff, MFI_FLAGS_SKINNY, "Drake Skinny"},
	{0x1000, 0x0078, 0xffff, 0xffff, MFI_FLAGS_GEN2,  "LSI MegaSAS Gen2"},
	{0x1000, 0x0079, 0x1028, 0x1f15, MFI_FLAGS_GEN2,  "Dell PERC H800 Adapter"},
	{0x1000, 0x0079, 0x1028, 0x1f16, MFI_FLAGS_GEN2,  "Dell PERC H700 Adapter"},
	{0x1000, 0x0079, 0x1028, 0x1f17, MFI_FLAGS_GEN2,  "Dell PERC H700 Integrated"},
	{0x1000, 0x0079, 0x1028, 0x1f18, MFI_FLAGS_GEN2,  "Dell PERC H700 Modular"},
	{0x1000, 0x0079, 0x1028, 0x1f19, MFI_FLAGS_GEN2,  "Dell PERC H700"},
	{0x1000, 0x0079, 0x1028, 0x1f1a, MFI_FLAGS_GEN2,  "Dell PERC H800 Proto Adapter"},
	{0x1000, 0x0079, 0x1028, 0x1f1b, MFI_FLAGS_GEN2,  "Dell PERC H800"},
	{0x1000, 0x0079, 0x1028, 0xffff, MFI_FLAGS_GEN2,  "Dell PERC Gen2"},
	{0x1000, 0x0079, 0xffff, 0xffff, MFI_FLAGS_GEN2,  "LSI MegaSAS Gen2"},
	{0x1000, 0x007c, 0xffff, 0xffff, MFI_FLAGS_1078,  "LSI MegaSAS 1078"},
	{0x1000, 0x0411, 0xffff, 0xffff, MFI_FLAGS_1064R, "LSI MegaSAS 1064R"}, /* Brocton IOP */
	{0x1000, 0x0413, 0xffff, 0xffff, MFI_FLAGS_1064R, "LSI MegaSAS 1064R"}, /* Verde ZCR */
	{0x1028, 0x0015, 0xffff, 0xffff, MFI_FLAGS_1064R, "Dell PERC 5/i"},
	{0, 0, 0, 0, 0, NULL}
};

static struct mfi_ident *
mfi_find_ident(device_t dev)
{
	struct mfi_ident *m;

	for (m = mfi_identifiers; m->vendor != 0; m++) {
		if ((m->vendor == pci_get_vendor(dev)) &&
		    (m->device == pci_get_device(dev)) &&
		    ((m->subvendor == pci_get_subvendor(dev)) ||
		    (m->subvendor == 0xffff)) &&
		    ((m->subdevice == pci_get_subdevice(dev)) ||
		    (m->subdevice == 0xffff)))
			return (m);
	}

	return (NULL);
}

static int
mfi_pci_probe(device_t dev)
{
	struct mfi_ident *id;

	if ((id = mfi_find_ident(dev)) != NULL) {
		device_set_desc(dev, id->desc);
		return (BUS_PROBE_DEFAULT);
	}
	return (ENXIO);
}

static int
mfi_pci_attach(device_t dev)
{
	struct mfi_softc *sc;
	struct mfi_ident *m;
	uint32_t command;
	int error;

	sc = device_get_softc(dev);
	bzero(sc, sizeof(*sc));
	sc->mfi_dev = dev;
	m = mfi_find_ident(dev);
	sc->mfi_flags = m->flags;

	/* Verify that the adapter can be set up in PCI space */
	command = pci_read_config(dev, PCIR_COMMAND, 2);
	command |= PCIM_CMD_BUSMASTEREN;
	pci_write_config(dev, PCIR_COMMAND, command, 2);
	command = pci_read_config(dev, PCIR_COMMAND, 2);
	if ((command & PCIM_CMD_BUSMASTEREN) == 0) {
		device_printf(dev, "Can't enable PCI busmaster\n");
		return (ENXIO);
	}
	if ((command & PCIM_CMD_MEMEN) == 0) {
		device_printf(dev, "PCI memory window not available\n");
		return (ENXIO);
	}

	/* Allocate PCI registers */
	if ((sc->mfi_flags & MFI_FLAGS_1064R) ||
	    (sc->mfi_flags & MFI_FLAGS_1078)) {
		/* 1068/1078: Memory mapped BAR is at offset 0x10 */
		sc->mfi_regs_rid = PCIR_BAR(0);
	} else if ((sc->mfi_flags & MFI_FLAGS_GEN2) ||
		   (sc->mfi_flags & MFI_FLAGS_SKINNY)) {
		/* GEN2/Skinny: Memory mapped BAR is at offset 0x14 */
		sc->mfi_regs_rid = PCIR_BAR(1);
	}
	if ((sc->mfi_regs_resource = bus_alloc_resource_any(sc->mfi_dev,
	    SYS_RES_MEMORY, &sc->mfi_regs_rid, RF_ACTIVE)) == NULL) {
		device_printf(dev, "Cannot allocate PCI registers\n");
		return (ENXIO);
	}
	sc->mfi_btag = rman_get_bustag(sc->mfi_regs_resource);
	sc->mfi_bhandle = rman_get_bushandle(sc->mfi_regs_resource);

	error = ENOMEM;

	/* Allocate parent DMA tag */
	if (bus_dma_tag_create(	NULL,			/* parent */
				1, 0,			/* algnmnt, boundary */
				BUS_SPACE_MAXADDR,	/* lowaddr */
				BUS_SPACE_MAXADDR,	/* highaddr */
				NULL, NULL,		/* filter, filterarg */
				BUS_SPACE_MAXSIZE_32BIT,/* maxsize */
				BUS_SPACE_UNRESTRICTED,	/* nsegments */
				BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
				0,			/* flags */
				&sc->mfi_parent_dmat)) {
		device_printf(dev, "Cannot allocate parent DMA tag\n");
		goto out;
	}

	error = mfi_attach(sc);
out:
	if (error) {
		mfi_free(sc);
		mfi_pci_free(sc);
	}

	return (error);
}

static int
mfi_pci_detach(device_t dev)
{
	struct mfi_softc *sc;
	struct mfi_disk *ld;
	struct mfi_system_pd *syspd = NULL;
	int error;

	sc = device_get_softc(dev);

	lockmgr(&sc->mfi_config_lock, LK_EXCLUSIVE);
	lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
	if ((sc->mfi_flags & MFI_FLAGS_OPEN) != 0) {
		lockmgr(&sc->mfi_io_lock, LK_RELEASE);
		lockmgr(&sc->mfi_config_lock, LK_RELEASE);
		return (EBUSY);
	}
	sc->mfi_detaching = 1;
	lockmgr(&sc->mfi_io_lock, LK_RELEASE);

	while ((ld = TAILQ_FIRST(&sc->mfi_ld_tqh)) != NULL) {
		if ((error = device_delete_child(dev, ld->ld_dev)) != 0) {
			sc->mfi_detaching = 0;
			lockmgr(&sc->mfi_config_lock, LK_RELEASE);
			return (error);
		}
	}
	while ((syspd = TAILQ_FIRST(&sc->mfi_syspd_tqh)) != NULL) {
		if ((error = device_delete_child(dev,syspd->pd_dev)) != 0) {
			sc->mfi_detaching = 0;
			lockmgr(&sc->mfi_config_lock, LK_RELEASE);
			return (error);
		}
	}
	lockmgr(&sc->mfi_config_lock, LK_RELEASE);

	EVENTHANDLER_DEREGISTER(shutdown_final, sc->mfi_eh);

	mfi_shutdown(sc);
	mfi_free(sc);
	mfi_pci_free(sc);
	return (0);
}

static void
mfi_pci_free(struct mfi_softc *sc)
{

	if (sc->mfi_regs_resource != NULL) {
		bus_release_resource(sc->mfi_dev, SYS_RES_MEMORY,
		    sc->mfi_regs_rid, sc->mfi_regs_resource);
	}

	return;
}

static int
mfi_pci_suspend(device_t dev)
{

	return (EINVAL);
}

static int
mfi_pci_resume(device_t dev)
{

	return (EINVAL);
}
Commit	Line	Data
249d29c8 SW	1	/*-
	2	* Copyright (c) 2006 IronPort Systems
	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, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
	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
	18	* FOR 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	* Copyright (c) 2007 LSI Corp.
	28	* Copyright (c) 2007 Rajesh Prabhakaran.
	29	* All rights reserved.
	30	*
	31	* Redistribution and use in source and binary forms, with or without
	32	* modification, are permitted provided that the following conditions
	33	* are met:
	34	* 1. Redistributions of source code must retain the above copyright
	35	* notice, this list of conditions and the following disclaimer.
	36	* 2. Redistributions in binary form must reproduce the above copyright
	37	* notice, this list of conditions and the following disclaimer in the
	38	* documentation and/or other materials provided with the distribution.
	39	*
	40	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
	41	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	42	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	43	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	44	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	45	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	46	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	47	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	48	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	49	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	50	* SUCH DAMAGE.
17566092 SW	51	*/
	52	/*-
	53	* Redistribution and use in source and binary forms, with or without
	54	* modification, are permitted provided that the following conditions
	55	* are met:
	56	*
	57	* Copyright 1994-2009 The FreeBSD Project.
	58	* All rights reserved.
	59	*
	60	* 1. Redistributions of source code must retain the above copyright
	61	* notice, this list of conditions and the following disclaimer.
	62	* 2. Redistributions in binary form must reproduce the above copyright
	63	* notice, this list of conditions and the following disclaimer in the
	64	* documentation and/or other materials provided with the distribution.
	65	*
	66	* THIS SOFTWARE IS PROVIDED BY THE FREEBSD PROJECT``AS IS'' AND
	67	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	68	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	69	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FREEBSD PROJECT OR
	70	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	71	* EXEMPLARY,OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	72	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
	73	* PROFITS; OR BUSINESS INTERRUPTION)HOWEVER CAUSED AND ON ANY THEORY
	74	* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
	75	* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
	76	* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	77	*
	78	* The views and conclusions contained in the software and documentation
	79	* are those of the authors and should not be interpreted as representing
	80	* official policies,either expressed or implied, of the FreeBSD Project.
249d29c8 SW	81	*
	82	* $FreeBSD: src/sys/dev/mfi/mfi_pci.c,v 1.16 2010/03/02 17:34:11 kib Exp $
	83	*/
	84
	85	/* PCI/PCI-X/PCIe bus interface for the LSI MegaSAS controllers */
	86
	87	#include "opt_mfi.h"
	88
	89	#include <sys/param.h>
	90	#include <sys/systm.h>
	91	#include <sys/kernel.h>
	92	#include <sys/module.h>
	93	#include <sys/bus.h>
	94	#include <sys/conf.h>
	95	#include <sys/buf2.h>
	96	#include <sys/malloc.h>
	97	#include <sys/uio.h>
	98	#include <sys/eventhandler.h>
	99
	100	#include <sys/rman.h>
	101
	102	#include <bus/pci/pcireg.h>
	103	#include <bus/pci/pcivar.h>
	104
	105	#include <dev/raid/mfi/mfireg.h>
	106	#include <dev/raid/mfi/mfi_ioctl.h>
	107	#include <dev/raid/mfi/mfivar.h>
	108
	109	static int mfi_pci_probe(device_t);
	110	static int mfi_pci_attach(device_t);
	111	static int mfi_pci_detach(device_t);
	112	static int mfi_pci_suspend(device_t);
	113	static int mfi_pci_resume(device_t);
	114	static void mfi_pci_free(struct mfi_softc *);
	115
	116	static device_method_t mfi_methods[] = {
	117	DEVMETHOD(device_probe, mfi_pci_probe),
	118	DEVMETHOD(device_attach, mfi_pci_attach),
	119	DEVMETHOD(device_detach, mfi_pci_detach),
	120	DEVMETHOD(device_suspend, mfi_pci_suspend),
	121	DEVMETHOD(device_resume, mfi_pci_resume),
	122	DEVMETHOD(bus_print_child, bus_generic_print_child),
	123	DEVMETHOD(bus_driver_added, bus_generic_driver_added),
	124	{ 0, 0 }
	125	};
	126
	127	static driver_t mfi_pci_driver = {
	128	"mfi",
	129	mfi_methods,
	130	sizeof(struct mfi_softc)
	131	};
	132
	133	static devclass_t mfi_devclass;
aa2b9d05	134	DRIVER_MODULE(mfi, pci, mfi_pci_driver, mfi_devclass, NULL, NULL);
249d29c8 SW	135	MODULE_VERSION(mfi, 1);
	136
	137	struct mfi_ident {
	138	uint16_t vendor;
	139	uint16_t device;
	140	uint16_t subvendor;
	141	uint16_t subdevice;
	142	int flags;
	143	const char *desc;
	144	} mfi_identifiers[] = {
	145	{0x1000, 0x0060, 0x1028, 0xffff, MFI_FLAGS_1078, "Dell PERC 6"},
	146	{0x1000, 0x0060, 0xffff, 0xffff, MFI_FLAGS_1078, "LSI MegaSAS 1078"},
17566092 SW	147	{0x1000, 0x0071, 0xffff, 0xffff, MFI_FLAGS_SKINNY, "Drake Skinny"},
17566092 SW	148	{0x1000, 0x0073, 0xffff, 0xffff, MFI_FLAGS_SKINNY, "Drake Skinny"},
249d29c8 SW	149	{0x1000, 0x0078, 0xffff, 0xffff, MFI_FLAGS_GEN2, "LSI MegaSAS Gen2"},
	150	{0x1000, 0x0079, 0x1028, 0x1f15, MFI_FLAGS_GEN2, "Dell PERC H800 Adapter"},
	151	{0x1000, 0x0079, 0x1028, 0x1f16, MFI_FLAGS_GEN2, "Dell PERC H700 Adapter"},
	152	{0x1000, 0x0079, 0x1028, 0x1f17, MFI_FLAGS_GEN2, "Dell PERC H700 Integrated"},
	153	{0x1000, 0x0079, 0x1028, 0x1f18, MFI_FLAGS_GEN2, "Dell PERC H700 Modular"},
	154	{0x1000, 0x0079, 0x1028, 0x1f19, MFI_FLAGS_GEN2, "Dell PERC H700"},
17566092	155	{0x1000, 0x0079, 0x1028, 0x1f1a, MFI_FLAGS_GEN2, "Dell PERC H800 Proto Adapter"},
249d29c8 SW	156	{0x1000, 0x0079, 0x1028, 0x1f1b, MFI_FLAGS_GEN2, "Dell PERC H800"},
	157	{0x1000, 0x0079, 0x1028, 0xffff, MFI_FLAGS_GEN2, "Dell PERC Gen2"},
	158	{0x1000, 0x0079, 0xffff, 0xffff, MFI_FLAGS_GEN2, "LSI MegaSAS Gen2"},
	159	{0x1000, 0x007c, 0xffff, 0xffff, MFI_FLAGS_1078, "LSI MegaSAS 1078"},
	160	{0x1000, 0x0411, 0xffff, 0xffff, MFI_FLAGS_1064R, "LSI MegaSAS 1064R"}, /* Brocton IOP */
	161	{0x1000, 0x0413, 0xffff, 0xffff, MFI_FLAGS_1064R, "LSI MegaSAS 1064R"}, /* Verde ZCR */
	162	{0x1028, 0x0015, 0xffff, 0xffff, MFI_FLAGS_1064R, "Dell PERC 5/i"},
	163	{0, 0, 0, 0, 0, NULL}
	164	};
	165
	166	static struct mfi_ident *
	167	mfi_find_ident(device_t dev)
	168	{
	169	struct mfi_ident *m;
	170
	171	for (m = mfi_identifiers; m->vendor != 0; m++) {
	172	if ((m->vendor == pci_get_vendor(dev)) &&
	173	(m->device == pci_get_device(dev)) &&
	174	((m->subvendor == pci_get_subvendor(dev)) \|\|
	175	(m->subvendor == 0xffff)) &&
	176	((m->subdevice == pci_get_subdevice(dev)) \|\|
	177	(m->subdevice == 0xffff)))
	178	return (m);
	179	}
	180
	181	return (NULL);
	182	}
	183
	184	static int
	185	mfi_pci_probe(device_t dev)
	186	{
	187	struct mfi_ident *id;
	188
	189	if ((id = mfi_find_ident(dev)) != NULL) {
	190	device_set_desc(dev, id->desc);
	191	return (BUS_PROBE_DEFAULT);
	192	}
	193	return (ENXIO);
	194	}
	195
	196	static int
	197	mfi_pci_attach(device_t dev)
	198	{
	199	struct mfi_softc *sc;
	200	struct mfi_ident *m;
	201	uint32_t command;
	202	int error;
	203
	204	sc = device_get_softc(dev);
	205	bzero(sc, sizeof(*sc));
	206	sc->mfi_dev = dev;
	207	m = mfi_find_ident(dev);
	208	sc->mfi_flags = m->flags;
	209
	210	/* Verify that the adapter can be set up in PCI space */
	211	command = pci_read_config(dev, PCIR_COMMAND, 2);
	212	command \|= PCIM_CMD_BUSMASTEREN;
	213	pci_write_config(dev, PCIR_COMMAND, command, 2);
	214	command = pci_read_config(dev, PCIR_COMMAND, 2);
	215	if ((command & PCIM_CMD_BUSMASTEREN) == 0) {
	216	device_printf(dev, "Can't enable PCI busmaster\n");
	217	return (ENXIO);
	218	}
	219	if ((command & PCIM_CMD_MEMEN) == 0) {
220	device_printf(dev, "PCI memory window not available\n");
221	return (ENXIO);
222	}
223
224	/* Allocate PCI registers */
225	if ((sc->mfi_flags & MFI_FLAGS_1064R) \|\|
226	(sc->mfi_flags & MFI_FLAGS_1078)) {
227	/* 1068/1078: Memory mapped BAR is at offset 0x10 */
228	sc->mfi_regs_rid = PCIR_BAR(0);
17566092 SW	229	} else if ((sc->mfi_flags & MFI_FLAGS_GEN2) \|\|
	230	(sc->mfi_flags & MFI_FLAGS_SKINNY)) {
	231	/* GEN2/Skinny: Memory mapped BAR is at offset 0x14 */
249d29c8 SW	232	sc->mfi_regs_rid = PCIR_BAR(1);
	233	}
	234	if ((sc->mfi_regs_resource = bus_alloc_resource_any(sc->mfi_dev,
	235	SYS_RES_MEMORY, &sc->mfi_regs_rid, RF_ACTIVE)) == NULL) {
	236	device_printf(dev, "Cannot allocate PCI registers\n");
	237	return (ENXIO);
	238	}
	239	sc->mfi_btag = rman_get_bustag(sc->mfi_regs_resource);
	240	sc->mfi_bhandle = rman_get_bushandle(sc->mfi_regs_resource);
	241
	242	error = ENOMEM;
	243
	244	/* Allocate parent DMA tag */
	245	if (bus_dma_tag_create( NULL, /* parent */
	246	1, 0, /* algnmnt, boundary */
	247	BUS_SPACE_MAXADDR, /* lowaddr */
	248	BUS_SPACE_MAXADDR, /* highaddr */
	249	NULL, NULL, /* filter, filterarg */
	250	BUS_SPACE_MAXSIZE_32BIT,/* maxsize */
	251	BUS_SPACE_UNRESTRICTED, /* nsegments */
	252	BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
	253	0, /* flags */
	254	&sc->mfi_parent_dmat)) {
	255	device_printf(dev, "Cannot allocate parent DMA tag\n");
	256	goto out;
	257	}
	258
	259	error = mfi_attach(sc);
	260	out:
	261	if (error) {
	262	mfi_free(sc);
	263	mfi_pci_free(sc);
	264	}
	265
	266	return (error);
	267	}
	268
	269	static int
	270	mfi_pci_detach(device_t dev)
	271	{
	272	struct mfi_softc *sc;
	273	struct mfi_disk *ld;
17566092	274	struct mfi_system_pd *syspd = NULL;
249d29c8 SW	275	int error;
	276
	277	sc = device_get_softc(dev);
	278
	279	lockmgr(&sc->mfi_config_lock, LK_EXCLUSIVE);
	280	lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
	281	if ((sc->mfi_flags & MFI_FLAGS_OPEN) != 0) {
	282	lockmgr(&sc->mfi_io_lock, LK_RELEASE);
	283	lockmgr(&sc->mfi_config_lock, LK_RELEASE);
	284	return (EBUSY);
	285	}
	286	sc->mfi_detaching = 1;
	287	lockmgr(&sc->mfi_io_lock, LK_RELEASE);
	288
	289	while ((ld = TAILQ_FIRST(&sc->mfi_ld_tqh)) != NULL) {
	290	if ((error = device_delete_child(dev, ld->ld_dev)) != 0) {
	291	sc->mfi_detaching = 0;
	292	lockmgr(&sc->mfi_config_lock, LK_RELEASE);
	293	return (error);
	294	}
	295	}
17566092 SW	296	while ((syspd = TAILQ_FIRST(&sc->mfi_syspd_tqh)) != NULL) {
	297	if ((error = device_delete_child(dev,syspd->pd_dev)) != 0) {
	298	sc->mfi_detaching = 0;
	299	lockmgr(&sc->mfi_config_lock, LK_RELEASE);
	300	return (error);
	301	}
	302	}
249d29c8 SW	303	lockmgr(&sc->mfi_config_lock, LK_RELEASE);
	304
	305	EVENTHANDLER_DEREGISTER(shutdown_final, sc->mfi_eh);
	306
	307	mfi_shutdown(sc);
	308	mfi_free(sc);
	309	mfi_pci_free(sc);
	310	return (0);
	311	}
	312
	313	static void
	314	mfi_pci_free(struct mfi_softc *sc)
	315	{
	316
	317	if (sc->mfi_regs_resource != NULL) {
	318	bus_release_resource(sc->mfi_dev, SYS_RES_MEMORY,
	319	sc->mfi_regs_rid, sc->mfi_regs_resource);
	320	}
	321
	322	return;
	323	}
	324
	325	static int
	326	mfi_pci_suspend(device_t dev)
	327	{
	328
	329	return (EINVAL);
	330	}
	331
	332	static int
	333	mfi_pci_resume(device_t dev)
	334	{
	335
	336	return (EINVAL);
	337	}