[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.
 *
 * $FreeBSD: src/sys/dev/mfi/mfi_pci.c,v 1.16 2010/03/02 17:34:11 kib Exp $
 * FreeBSD projects/head_mfi/ r232888
 */

/* 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);

static int	mfi_msi_enable = 1;
TUNABLE_INT("hw.mfi.msi.enable", &mfi_msi_enable);

struct mfi_ident {
	uint16_t	vendor;
	uint16_t	device;
	uint16_t	subvendor;
	uint16_t	subdevice;
	int		flags;
	const char	*desc;
} mfi_identifiers[] = {
	{0x1000, 0x005b, 0x1028, 0x1f2d, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT, "Dell PERC H810 Adapter"},
	{0x1000, 0x005b, 0x1028, 0x1f30, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT, "Dell PERC H710 Embedded"},
	{0x1000, 0x005b, 0x1028, 0x1f31, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT, "Dell PERC H710P Adapter"},
	{0x1000, 0x005b, 0x1028, 0x1f33, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT, "Dell PERC H710P Mini (blades)"},
	{0x1000, 0x005b, 0x1028, 0x1f34, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT, "Dell PERC H710P Mini (monolithics)"},
	{0x1000, 0x005b, 0x1028, 0x1f35, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT, "Dell PERC H710 Adapter"},
	{0x1000, 0x005b, 0x1028, 0x1f37, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT, "Dell PERC H710 Mini (blades)"},
	{0x1000, 0x005b, 0x1028, 0x1f38, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT, "Dell PERC H710 Mini (monolithics)"},
	{0x1000, 0x005b, 0x8086, 0x9265, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT, "Intel (R) RAID Controller RS25DB080"},
	{0x1000, 0x005b, 0x8086, 0x9285, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT, "Intel (R) RAID Controller RS25NB008"},
	{0x1000, 0x005b, 0xffff, 0xffff, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT, "ThunderBolt"},
	{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;
	u_int irq_flags;

	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) ||
		   (sc->mfi_flags & MFI_FLAGS_TBOLT)) {
		/* 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;
	}

	/* Allocate IRQ resource. */
	sc->mfi_irq_rid = 0;
	sc->mfi_irq_type = pci_alloc_1intr(sc->mfi_dev, mfi_msi_enable,
	    &sc->mfi_irq_rid, &irq_flags);
	if ((sc->mfi_irq = bus_alloc_resource_any(sc->mfi_dev, SYS_RES_IRQ,
	    &sc->mfi_irq_rid, irq_flags)) == NULL) {
		device_printf(sc->mfi_dev, "Cannot allocate interrupt\n");
		return (EINVAL);
	}

	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;
	device_t *devlist;
	int error, devcount, i;

	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);

	if ((error = device_get_children(sc->mfi_dev, &devlist, &devcount)) != 0) {
		lockmgr(&sc->mfi_config_lock, LK_RELEASE);
		return error;
	}
	for (i = 0; i < devcount; i++)
		device_delete_child(sc->mfi_dev, devlist[i]);
	kfree(devlist, M_TEMP);
	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);
	}
	if (sc->mfi_irq_type == PCI_INTR_TYPE_MSI)
		pci_release_msi(sc->mfi_dev);
}

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.
	51	*
	52	* $FreeBSD: src/sys/dev/mfi/mfi_pci.c,v 1.16 2010/03/02 17:34:11 kib Exp $
590ba11d	53	* FreeBSD projects/head_mfi/ r232888
249d29c8 SW	54	*/
	55
	56	/* PCI/PCI-X/PCIe bus interface for the LSI MegaSAS controllers */
	57
	58	#include "opt_mfi.h"
	59
	60	#include <sys/param.h>
	61	#include <sys/systm.h>
	62	#include <sys/kernel.h>
	63	#include <sys/module.h>
	64	#include <sys/bus.h>
	65	#include <sys/conf.h>
	66	#include <sys/buf2.h>
	67	#include <sys/malloc.h>
	68	#include <sys/uio.h>
	69	#include <sys/eventhandler.h>
249d29c8 SW	70	#include <sys/rman.h>
	71
	72	#include <bus/pci/pcireg.h>
	73	#include <bus/pci/pcivar.h>
	74
	75	#include <dev/raid/mfi/mfireg.h>
	76	#include <dev/raid/mfi/mfi_ioctl.h>
	77	#include <dev/raid/mfi/mfivar.h>
	78
	79	static int mfi_pci_probe(device_t);
	80	static int mfi_pci_attach(device_t);
	81	static int mfi_pci_detach(device_t);
	82	static int mfi_pci_suspend(device_t);
	83	static int mfi_pci_resume(device_t);
	84	static void mfi_pci_free(struct mfi_softc *);
	85
	86	static device_method_t mfi_methods[] = {
	87	DEVMETHOD(device_probe, mfi_pci_probe),
	88	DEVMETHOD(device_attach, mfi_pci_attach),
	89	DEVMETHOD(device_detach, mfi_pci_detach),
	90	DEVMETHOD(device_suspend, mfi_pci_suspend),
	91	DEVMETHOD(device_resume, mfi_pci_resume),
	92	DEVMETHOD(bus_print_child, bus_generic_print_child),
	93	DEVMETHOD(bus_driver_added, bus_generic_driver_added),
	94	{ 0, 0 }
	95	};
	96
	97	static driver_t mfi_pci_driver = {
	98	"mfi",
	99	mfi_methods,
	100	sizeof(struct mfi_softc)
	101	};
	102
	103	static devclass_t mfi_devclass;
aa2b9d05	104	DRIVER_MODULE(mfi, pci, mfi_pci_driver, mfi_devclass, NULL, NULL);
249d29c8 SW	105	MODULE_VERSION(mfi, 1);
249d29c8 SW	106
590ba11d SW	107	static int mfi_msi_enable = 1;
	108	TUNABLE_INT("hw.mfi.msi.enable", &mfi_msi_enable);
	109
249d29c8 SW	110	struct mfi_ident {
	111	uint16_t vendor;
	112	uint16_t device;
	113	uint16_t subvendor;
	114	uint16_t subdevice;
	115	int flags;
	116	const char *desc;
	117	} mfi_identifiers[] = {
590ba11d SW	118	{0x1000, 0x005b, 0x1028, 0x1f2d, MFI_FLAGS_SKINNY\| MFI_FLAGS_TBOLT, "Dell PERC H810 Adapter"},
	119	{0x1000, 0x005b, 0x1028, 0x1f30, MFI_FLAGS_SKINNY\| MFI_FLAGS_TBOLT, "Dell PERC H710 Embedded"},
	120	{0x1000, 0x005b, 0x1028, 0x1f31, MFI_FLAGS_SKINNY\| MFI_FLAGS_TBOLT, "Dell PERC H710P Adapter"},
	121	{0x1000, 0x005b, 0x1028, 0x1f33, MFI_FLAGS_SKINNY\| MFI_FLAGS_TBOLT, "Dell PERC H710P Mini (blades)"},
	122	{0x1000, 0x005b, 0x1028, 0x1f34, MFI_FLAGS_SKINNY\| MFI_FLAGS_TBOLT, "Dell PERC H710P Mini (monolithics)"},
	123	{0x1000, 0x005b, 0x1028, 0x1f35, MFI_FLAGS_SKINNY\| MFI_FLAGS_TBOLT, "Dell PERC H710 Adapter"},
	124	{0x1000, 0x005b, 0x1028, 0x1f37, MFI_FLAGS_SKINNY\| MFI_FLAGS_TBOLT, "Dell PERC H710 Mini (blades)"},
	125	{0x1000, 0x005b, 0x1028, 0x1f38, MFI_FLAGS_SKINNY\| MFI_FLAGS_TBOLT, "Dell PERC H710 Mini (monolithics)"},
	126	{0x1000, 0x005b, 0x8086, 0x9265, MFI_FLAGS_SKINNY\| MFI_FLAGS_TBOLT, "Intel (R) RAID Controller RS25DB080"},
	127	{0x1000, 0x005b, 0x8086, 0x9285, MFI_FLAGS_SKINNY\| MFI_FLAGS_TBOLT, "Intel (R) RAID Controller RS25NB008"},
	128	{0x1000, 0x005b, 0xffff, 0xffff, MFI_FLAGS_SKINNY\| MFI_FLAGS_TBOLT, "ThunderBolt"},
249d29c8 SW	129	{0x1000, 0x0060, 0x1028, 0xffff, MFI_FLAGS_1078, "Dell PERC 6"},
249d29c8 SW	130	{0x1000, 0x0060, 0xffff, 0xffff, MFI_FLAGS_1078, "LSI MegaSAS 1078"},
17566092 SW	131	{0x1000, 0x0071, 0xffff, 0xffff, MFI_FLAGS_SKINNY, "Drake Skinny"},
17566092 SW	132	{0x1000, 0x0073, 0xffff, 0xffff, MFI_FLAGS_SKINNY, "Drake Skinny"},
249d29c8 SW	133	{0x1000, 0x0078, 0xffff, 0xffff, MFI_FLAGS_GEN2, "LSI MegaSAS Gen2"},
	134	{0x1000, 0x0079, 0x1028, 0x1f15, MFI_FLAGS_GEN2, "Dell PERC H800 Adapter"},
	135	{0x1000, 0x0079, 0x1028, 0x1f16, MFI_FLAGS_GEN2, "Dell PERC H700 Adapter"},
	136	{0x1000, 0x0079, 0x1028, 0x1f17, MFI_FLAGS_GEN2, "Dell PERC H700 Integrated"},
	137	{0x1000, 0x0079, 0x1028, 0x1f18, MFI_FLAGS_GEN2, "Dell PERC H700 Modular"},
	138	{0x1000, 0x0079, 0x1028, 0x1f19, MFI_FLAGS_GEN2, "Dell PERC H700"},
17566092	139	{0x1000, 0x0079, 0x1028, 0x1f1a, MFI_FLAGS_GEN2, "Dell PERC H800 Proto Adapter"},
249d29c8 SW	140	{0x1000, 0x0079, 0x1028, 0x1f1b, MFI_FLAGS_GEN2, "Dell PERC H800"},
	141	{0x1000, 0x0079, 0x1028, 0xffff, MFI_FLAGS_GEN2, "Dell PERC Gen2"},
	142	{0x1000, 0x0079, 0xffff, 0xffff, MFI_FLAGS_GEN2, "LSI MegaSAS Gen2"},
	143	{0x1000, 0x007c, 0xffff, 0xffff, MFI_FLAGS_1078, "LSI MegaSAS 1078"},
	144	{0x1000, 0x0411, 0xffff, 0xffff, MFI_FLAGS_1064R, "LSI MegaSAS 1064R"}, /* Brocton IOP */
	145	{0x1000, 0x0413, 0xffff, 0xffff, MFI_FLAGS_1064R, "LSI MegaSAS 1064R"}, /* Verde ZCR */
	146	{0x1028, 0x0015, 0xffff, 0xffff, MFI_FLAGS_1064R, "Dell PERC 5/i"},
	147	{0, 0, 0, 0, 0, NULL}
	148	};
	149
	150	static struct mfi_ident *
	151	mfi_find_ident(device_t dev)
	152	{
	153	struct mfi_ident *m;
	154
	155	for (m = mfi_identifiers; m->vendor != 0; m++) {
	156	if ((m->vendor == pci_get_vendor(dev)) &&
	157	(m->device == pci_get_device(dev)) &&
	158	((m->subvendor == pci_get_subvendor(dev)) \|\|
	159	(m->subvendor == 0xffff)) &&
	160	((m->subdevice == pci_get_subdevice(dev)) \|\|
	161	(m->subdevice == 0xffff)))
	162	return (m);
	163	}
	164
	165	return (NULL);
	166	}
	167
	168	static int
	169	mfi_pci_probe(device_t dev)
	170	{
	171	struct mfi_ident *id;
	172
	173	if ((id = mfi_find_ident(dev)) != NULL) {
	174	device_set_desc(dev, id->desc);
	175	return (BUS_PROBE_DEFAULT);
	176	}
	177	return (ENXIO);
	178	}
	179
	180	static int
	181	mfi_pci_attach(device_t dev)
	182	{
	183	struct mfi_softc *sc;
	184	struct mfi_ident *m;
	185	uint32_t command;
	186	int error;
590ba11d	187	u_int irq_flags;
249d29c8 SW	188
	189	sc = device_get_softc(dev);
	190	bzero(sc, sizeof(*sc));
	191	sc->mfi_dev = dev;
	192	m = mfi_find_ident(dev);
	193	sc->mfi_flags = m->flags;
	194
	195	/* Verify that the adapter can be set up in PCI space */
	196	command = pci_read_config(dev, PCIR_COMMAND, 2);
	197	command \|= PCIM_CMD_BUSMASTEREN;
	198	pci_write_config(dev, PCIR_COMMAND, command, 2);
	199	command = pci_read_config(dev, PCIR_COMMAND, 2);
	200	if ((command & PCIM_CMD_BUSMASTEREN) == 0) {
	201	device_printf(dev, "Can't enable PCI busmaster\n");
	202	return (ENXIO);
	203	}
	204	if ((command & PCIM_CMD_MEMEN) == 0) {
	205	device_printf(dev, "PCI memory window not available\n");
	206	return (ENXIO);
	207	}
	208
	209	/* Allocate PCI registers */
	210	if ((sc->mfi_flags & MFI_FLAGS_1064R) \|\|
	211	(sc->mfi_flags & MFI_FLAGS_1078)) {
	212	/* 1068/1078: Memory mapped BAR is at offset 0x10 */
	213	sc->mfi_regs_rid = PCIR_BAR(0);
17566092	214	} else if ((sc->mfi_flags & MFI_FLAGS_GEN2) \|\|
590ba11d SW	215	(sc->mfi_flags & MFI_FLAGS_SKINNY) \|\|
590ba11d SW	216	(sc->mfi_flags & MFI_FLAGS_TBOLT)) {
17566092	217	/* GEN2/Skinny: Memory mapped BAR is at offset 0x14 */
249d29c8 SW	218	sc->mfi_regs_rid = PCIR_BAR(1);
	219	}
	220	if ((sc->mfi_regs_resource = bus_alloc_resource_any(sc->mfi_dev,
	221	SYS_RES_MEMORY, &sc->mfi_regs_rid, RF_ACTIVE)) == NULL) {
	222	device_printf(dev, "Cannot allocate PCI registers\n");
	223	return (ENXIO);
	224	}
	225	sc->mfi_btag = rman_get_bustag(sc->mfi_regs_resource);
	226	sc->mfi_bhandle = rman_get_bushandle(sc->mfi_regs_resource);
	227
	228	error = ENOMEM;
	229
	230	/* Allocate parent DMA tag */
	231	if (bus_dma_tag_create( NULL, /* parent */
	232	1, 0, /* algnmnt, boundary */
	233	BUS_SPACE_MAXADDR, /* lowaddr */
	234	BUS_SPACE_MAXADDR, /* highaddr */
	235	NULL, NULL, /* filter, filterarg */
	236	BUS_SPACE_MAXSIZE_32BIT,/* maxsize */
	237	BUS_SPACE_UNRESTRICTED, /* nsegments */
	238	BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
	239	0, /* flags */
	240	&sc->mfi_parent_dmat)) {
	241	device_printf(dev, "Cannot allocate parent DMA tag\n");
	242	goto out;
	243	}
	244
590ba11d SW	245	/* Allocate IRQ resource. */
	246	sc->mfi_irq_rid = 0;
	247	sc->mfi_irq_type = pci_alloc_1intr(sc->mfi_dev, mfi_msi_enable,
	248	&sc->mfi_irq_rid, &irq_flags);
	249	if ((sc->mfi_irq = bus_alloc_resource_any(sc->mfi_dev, SYS_RES_IRQ,
	250	&sc->mfi_irq_rid, irq_flags)) == NULL) {
	251	device_printf(sc->mfi_dev, "Cannot allocate interrupt\n");
	252	return (EINVAL);
	253	}
	254
249d29c8 SW	255	error = mfi_attach(sc);
	256	out:
	257	if (error) {
	258	mfi_free(sc);
	259	mfi_pci_free(sc);
	260	}
	261
	262	return (error);
	263	}
	264
	265	static int
	266	mfi_pci_detach(device_t dev)
	267	{
	268	struct mfi_softc *sc;
590ba11d SW	269	device_t *devlist;
590ba11d SW	270	int error, devcount, i;
249d29c8 SW	271
	272	sc = device_get_softc(dev);
	273
	274	lockmgr(&sc->mfi_config_lock, LK_EXCLUSIVE);
	275	lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
	276	if ((sc->mfi_flags & MFI_FLAGS_OPEN) != 0) {
	277	lockmgr(&sc->mfi_io_lock, LK_RELEASE);
	278	lockmgr(&sc->mfi_config_lock, LK_RELEASE);
	279	return (EBUSY);
	280	}
	281	sc->mfi_detaching = 1;
	282	lockmgr(&sc->mfi_io_lock, LK_RELEASE);
	283
590ba11d SW	284	if ((error = device_get_children(sc->mfi_dev, &devlist, &devcount)) != 0) {
	285	lockmgr(&sc->mfi_config_lock, LK_RELEASE);
	286	return error;
17566092	287	}
590ba11d SW	288	for (i = 0; i < devcount; i++)
	289	device_delete_child(sc->mfi_dev, devlist[i]);
	290	kfree(devlist, M_TEMP);
249d29c8 SW	291	lockmgr(&sc->mfi_config_lock, LK_RELEASE);
	292
	293	EVENTHANDLER_DEREGISTER(shutdown_final, sc->mfi_eh);
	294
	295	mfi_shutdown(sc);
	296	mfi_free(sc);
	297	mfi_pci_free(sc);
	298	return (0);
	299	}
	300
	301	static void
	302	mfi_pci_free(struct mfi_softc *sc)
	303	{
	304
	305	if (sc->mfi_regs_resource != NULL) {
	306	bus_release_resource(sc->mfi_dev, SYS_RES_MEMORY,
	307	sc->mfi_regs_rid, sc->mfi_regs_resource);
	308	}
590ba11d SW	309	if (sc->mfi_irq_type == PCI_INTR_TYPE_MSI)
590ba11d SW	310	pci_release_msi(sc->mfi_dev);
249d29c8 SW	311	}
	312
	313	static int
	314	mfi_pci_suspend(device_t dev)
	315	{
	316
	317	return (EINVAL);
	318	}
	319
	320	static int
	321	mfi_pci_resume(device_t dev)
	322	{
	323
	324	return (EINVAL);
	325	}