xref: /freebsd/sys/dev/mps/mps_pci.c (revision d043c56453fa966ea14048da1687980c8547f1f0)
1d3c7b9a0SKenneth D. Merry /*-
2d3c7b9a0SKenneth D. Merry  * Copyright (c) 2009 Yahoo! Inc.
3d3c7b9a0SKenneth D. Merry  * All rights reserved.
4d3c7b9a0SKenneth D. Merry  *
5d3c7b9a0SKenneth D. Merry  * Redistribution and use in source and binary forms, with or without
6d3c7b9a0SKenneth D. Merry  * modification, are permitted provided that the following conditions
7d3c7b9a0SKenneth D. Merry  * are met:
8d3c7b9a0SKenneth D. Merry  * 1. Redistributions of source code must retain the above copyright
9d3c7b9a0SKenneth D. Merry  *    notice, this list of conditions and the following disclaimer.
10d3c7b9a0SKenneth D. Merry  * 2. Redistributions in binary form must reproduce the above copyright
11d3c7b9a0SKenneth D. Merry  *    notice, this list of conditions and the following disclaimer in the
12d3c7b9a0SKenneth D. Merry  *    documentation and/or other materials provided with the distribution.
13d3c7b9a0SKenneth D. Merry  *
14d3c7b9a0SKenneth D. Merry  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15d3c7b9a0SKenneth D. Merry  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16d3c7b9a0SKenneth D. Merry  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17d3c7b9a0SKenneth D. Merry  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18d3c7b9a0SKenneth D. Merry  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19d3c7b9a0SKenneth D. Merry  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20d3c7b9a0SKenneth D. Merry  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21d3c7b9a0SKenneth D. Merry  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22d3c7b9a0SKenneth D. Merry  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23d3c7b9a0SKenneth D. Merry  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24d3c7b9a0SKenneth D. Merry  * SUCH DAMAGE.
25d3c7b9a0SKenneth D. Merry  */
26d3c7b9a0SKenneth D. Merry 
27d3c7b9a0SKenneth D. Merry #include <sys/cdefs.h>
28d3c7b9a0SKenneth D. Merry __FBSDID("$FreeBSD$");
29d3c7b9a0SKenneth D. Merry 
30d3c7b9a0SKenneth D. Merry /* PCI/PCI-X/PCIe bus interface for the LSI MPT2 controllers */
31d3c7b9a0SKenneth D. Merry 
32*d043c564SKenneth D. Merry /* TODO Move headers to mpsvar */
33d3c7b9a0SKenneth D. Merry #include <sys/types.h>
34d3c7b9a0SKenneth D. Merry #include <sys/param.h>
35d3c7b9a0SKenneth D. Merry #include <sys/systm.h>
36d3c7b9a0SKenneth D. Merry #include <sys/kernel.h>
37d3c7b9a0SKenneth D. Merry #include <sys/module.h>
38d3c7b9a0SKenneth D. Merry #include <sys/bus.h>
39d3c7b9a0SKenneth D. Merry #include <sys/conf.h>
40d3c7b9a0SKenneth D. Merry #include <sys/malloc.h>
41d3c7b9a0SKenneth D. Merry #include <sys/sysctl.h>
4206e79492SKenneth D. Merry #include <sys/uio.h>
43d3c7b9a0SKenneth D. Merry 
44d3c7b9a0SKenneth D. Merry #include <machine/bus.h>
45d3c7b9a0SKenneth D. Merry #include <machine/resource.h>
46d3c7b9a0SKenneth D. Merry #include <sys/rman.h>
47d3c7b9a0SKenneth D. Merry 
48d3c7b9a0SKenneth D. Merry #include <dev/pci/pcireg.h>
49d3c7b9a0SKenneth D. Merry #include <dev/pci/pcivar.h>
50*d043c564SKenneth D. Merry #include <dev/pci/pci_private.h>
51d3c7b9a0SKenneth D. Merry 
52d3c7b9a0SKenneth D. Merry #include <dev/mps/mpi/mpi2_type.h>
53d3c7b9a0SKenneth D. Merry #include <dev/mps/mpi/mpi2.h>
54d3c7b9a0SKenneth D. Merry #include <dev/mps/mpi/mpi2_ioc.h>
55d3c7b9a0SKenneth D. Merry #include <dev/mps/mpi/mpi2_cnfg.h>
56*d043c564SKenneth D. Merry #include <dev/mps/mpi/mpi2_tool.h>
57d3c7b9a0SKenneth D. Merry 
58*d043c564SKenneth D. Merry #include <sys/queue.h>
59*d043c564SKenneth D. Merry #include <sys/kthread.h>
60*d043c564SKenneth D. Merry #include <dev/mps/mps_ioctl.h>
61d3c7b9a0SKenneth D. Merry #include <dev/mps/mpsvar.h>
62d3c7b9a0SKenneth D. Merry 
63d3c7b9a0SKenneth D. Merry static int	mps_pci_probe(device_t);
64d3c7b9a0SKenneth D. Merry static int	mps_pci_attach(device_t);
65d3c7b9a0SKenneth D. Merry static int	mps_pci_detach(device_t);
66d3c7b9a0SKenneth D. Merry static int	mps_pci_suspend(device_t);
67d3c7b9a0SKenneth D. Merry static int	mps_pci_resume(device_t);
68d3c7b9a0SKenneth D. Merry static void	mps_pci_free(struct mps_softc *);
69d3c7b9a0SKenneth D. Merry static int	mps_alloc_msix(struct mps_softc *sc, int msgs);
70d3c7b9a0SKenneth D. Merry static int	mps_alloc_msi(struct mps_softc *sc, int msgs);
71d3c7b9a0SKenneth D. Merry 
72d3c7b9a0SKenneth D. Merry static device_method_t mps_methods[] = {
73d3c7b9a0SKenneth D. Merry 	DEVMETHOD(device_probe,		mps_pci_probe),
74d3c7b9a0SKenneth D. Merry 	DEVMETHOD(device_attach,	mps_pci_attach),
75d3c7b9a0SKenneth D. Merry 	DEVMETHOD(device_detach,	mps_pci_detach),
76d3c7b9a0SKenneth D. Merry 	DEVMETHOD(device_suspend,	mps_pci_suspend),
77d3c7b9a0SKenneth D. Merry 	DEVMETHOD(device_resume,	mps_pci_resume),
784b7ec270SMarius Strobl 
794b7ec270SMarius Strobl 	DEVMETHOD_END
80d3c7b9a0SKenneth D. Merry };
81d3c7b9a0SKenneth D. Merry 
82d3c7b9a0SKenneth D. Merry static driver_t mps_pci_driver = {
83d3c7b9a0SKenneth D. Merry 	"mps",
84d3c7b9a0SKenneth D. Merry 	mps_methods,
85d3c7b9a0SKenneth D. Merry 	sizeof(struct mps_softc)
86d3c7b9a0SKenneth D. Merry };
87d3c7b9a0SKenneth D. Merry 
88d3c7b9a0SKenneth D. Merry static devclass_t	mps_devclass;
89d3c7b9a0SKenneth D. Merry DRIVER_MODULE(mps, pci, mps_pci_driver, mps_devclass, 0, 0);
90d3c7b9a0SKenneth D. Merry 
91d3c7b9a0SKenneth D. Merry struct mps_ident {
92d3c7b9a0SKenneth D. Merry 	uint16_t	vendor;
93d3c7b9a0SKenneth D. Merry 	uint16_t	device;
94d3c7b9a0SKenneth D. Merry 	uint16_t	subvendor;
95d3c7b9a0SKenneth D. Merry 	uint16_t	subdevice;
96d3c7b9a0SKenneth D. Merry 	u_int		flags;
97d3c7b9a0SKenneth D. Merry 	const char	*desc;
98d3c7b9a0SKenneth D. Merry } mps_identifiers[] = {
99d3c7b9a0SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004,
100d3c7b9a0SKenneth D. Merry 	    0xffff, 0xffff, 0, "LSI SAS2004" },
101d3c7b9a0SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008,
102d3c7b9a0SKenneth D. Merry 	    0xffff, 0xffff, 0, "LSI SAS2008" },
103d3c7b9a0SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1,
104d3c7b9a0SKenneth D. Merry 	    0xffff, 0xffff, 0, "LSI SAS2108" },
105d3c7b9a0SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2,
106d3c7b9a0SKenneth D. Merry 	    0xffff, 0xffff, 0, "LSI SAS2108" },
107d3c7b9a0SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3,
108d3c7b9a0SKenneth D. Merry 	    0xffff, 0xffff, 0, "LSI SAS2108" },
109d3c7b9a0SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1,
110d3c7b9a0SKenneth D. Merry 	    0xffff, 0xffff, 0, "LSI SAS2116" },
111d3c7b9a0SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2,
112d3c7b9a0SKenneth D. Merry 	    0xffff, 0xffff, 0, "LSI SAS2116" },
113d3c7b9a0SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1,
114d3c7b9a0SKenneth D. Merry 	    0xffff, 0xffff, 0, "LSI SAS2208" },
115d3c7b9a0SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2,
116d3c7b9a0SKenneth D. Merry 	    0xffff, 0xffff, 0, "LSI SAS2208" },
117d3c7b9a0SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3,
118d3c7b9a0SKenneth D. Merry 	    0xffff, 0xffff, 0, "LSI SAS2208" },
119d3c7b9a0SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4,
120d3c7b9a0SKenneth D. Merry 	    0xffff, 0xffff, 0, "LSI SAS2208" },
121d3c7b9a0SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5,
122d3c7b9a0SKenneth D. Merry 	    0xffff, 0xffff, 0, "LSI SAS2208" },
123d3c7b9a0SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6,
124d3c7b9a0SKenneth D. Merry 	    0xffff, 0xffff, 0, "LSI SAS2208" },
125*d043c564SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1,
126*d043c564SKenneth D. Merry 	    0xffff, 0xffff, 0, "LSI SAS2308" },
127*d043c564SKenneth D. Merry 	// Add Customer specific vender/subdevice id before generic
128*d043c564SKenneth D. Merry 	// (0xffff) vender/subdevice id.
129*d043c564SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2,
130*d043c564SKenneth D. Merry 	    0x8086, 0x3516, 0, "Intel(R) Integrated RAID Module RMS25JB080" },
131*d043c564SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2,
132*d043c564SKenneth D. Merry 	    0x8086, 0x3517, 0, "Intel(R) Integrated RAID Module RMS25JB040" },
133*d043c564SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2,
134*d043c564SKenneth D. Merry 	    0x8086, 0x3518, 0, "Intel(R) Integrated RAID Module RMS25KB080" },
135*d043c564SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2,
136*d043c564SKenneth D. Merry 	    0x8086, 0x3519, 0, "Intel(R) Integrated RAID Module RMS25KB040" },
137*d043c564SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2,
138*d043c564SKenneth D. Merry 	    0xffff, 0xffff, 0, "LSI SAS2308" },
139*d043c564SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3,
140*d043c564SKenneth D. Merry 	    0xffff, 0xffff, 0, "LSI SAS2308" },
141*d043c564SKenneth D. Merry 	{ MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200,
142*d043c564SKenneth D. Merry 	    0xffff, 0xffff, MPS_FLAGS_WD_AVAILABLE, "LSI SSS6200" },
143d3c7b9a0SKenneth D. Merry 	{ 0, 0, 0, 0, 0, NULL }
144d3c7b9a0SKenneth D. Merry };
145d3c7b9a0SKenneth D. Merry 
146d3c7b9a0SKenneth D. Merry static struct mps_ident *
147d3c7b9a0SKenneth D. Merry mps_find_ident(device_t dev)
148d3c7b9a0SKenneth D. Merry {
149d3c7b9a0SKenneth D. Merry 	struct mps_ident *m;
150d3c7b9a0SKenneth D. Merry 
151d3c7b9a0SKenneth D. Merry 	for (m = mps_identifiers; m->vendor != 0; m++) {
152d3c7b9a0SKenneth D. Merry 		if (m->vendor != pci_get_vendor(dev))
153d3c7b9a0SKenneth D. Merry 			continue;
154d3c7b9a0SKenneth D. Merry 		if (m->device != pci_get_device(dev))
155d3c7b9a0SKenneth D. Merry 			continue;
156d3c7b9a0SKenneth D. Merry 		if ((m->subvendor != 0xffff) &&
157d3c7b9a0SKenneth D. Merry 		    (m->subvendor != pci_get_subvendor(dev)))
158d3c7b9a0SKenneth D. Merry 			continue;
159d3c7b9a0SKenneth D. Merry 		if ((m->subdevice != 0xffff) &&
160d3c7b9a0SKenneth D. Merry 		    (m->subdevice != pci_get_subdevice(dev)))
161d3c7b9a0SKenneth D. Merry 			continue;
162d3c7b9a0SKenneth D. Merry 		return (m);
163d3c7b9a0SKenneth D. Merry 	}
164d3c7b9a0SKenneth D. Merry 
165d3c7b9a0SKenneth D. Merry 	return (NULL);
166d3c7b9a0SKenneth D. Merry }
167d3c7b9a0SKenneth D. Merry 
168d3c7b9a0SKenneth D. Merry static int
169d3c7b9a0SKenneth D. Merry mps_pci_probe(device_t dev)
170d3c7b9a0SKenneth D. Merry {
171d3c7b9a0SKenneth D. Merry 	struct mps_ident *id;
172d3c7b9a0SKenneth D. Merry 
173d3c7b9a0SKenneth D. Merry 	if ((id = mps_find_ident(dev)) != NULL) {
174d3c7b9a0SKenneth D. Merry 		device_set_desc(dev, id->desc);
175*d043c564SKenneth D. Merry 		return (BUS_PROBE_VENDOR);
176d3c7b9a0SKenneth D. Merry 	}
177d3c7b9a0SKenneth D. Merry 	return (ENXIO);
178d3c7b9a0SKenneth D. Merry }
179d3c7b9a0SKenneth D. Merry 
180d3c7b9a0SKenneth D. Merry static int
181d3c7b9a0SKenneth D. Merry mps_pci_attach(device_t dev)
182d3c7b9a0SKenneth D. Merry {
183d3c7b9a0SKenneth D. Merry 	struct mps_softc *sc;
184d3c7b9a0SKenneth D. Merry 	struct mps_ident *m;
185d3c7b9a0SKenneth D. Merry 	uint16_t command;
186d3c7b9a0SKenneth D. Merry 	int error;
187d3c7b9a0SKenneth D. Merry 
188d3c7b9a0SKenneth D. Merry 	sc = device_get_softc(dev);
189d3c7b9a0SKenneth D. Merry 	bzero(sc, sizeof(*sc));
190d3c7b9a0SKenneth D. Merry 	sc->mps_dev = dev;
191d3c7b9a0SKenneth D. Merry 	m = mps_find_ident(dev);
192d3c7b9a0SKenneth D. Merry 	sc->mps_flags = m->flags;
193d3c7b9a0SKenneth D. Merry 
194d3c7b9a0SKenneth D. Merry 	/* Twiddle basic PCI config bits for a sanity check */
195d3c7b9a0SKenneth D. Merry 	command = pci_read_config(dev, PCIR_COMMAND, 2);
196d3c7b9a0SKenneth D. Merry 	command |= PCIM_CMD_BUSMASTEREN;
197d3c7b9a0SKenneth D. Merry 	pci_write_config(dev, PCIR_COMMAND, command, 2);
198d3c7b9a0SKenneth D. Merry 	command = pci_read_config(dev, PCIR_COMMAND, 2);
199d3c7b9a0SKenneth D. Merry 	if ((command & PCIM_CMD_BUSMASTEREN) == 0) {
200d3c7b9a0SKenneth D. Merry 		device_printf(dev, "Cannot enable PCI busmaster\n");
201d3c7b9a0SKenneth D. Merry 		return (ENXIO);
202d3c7b9a0SKenneth D. Merry 	}
203d3c7b9a0SKenneth D. Merry 	if ((command & PCIM_CMD_MEMEN) == 0) {
204d3c7b9a0SKenneth D. Merry 		device_printf(dev, "PCI memory window not available\n");
205d3c7b9a0SKenneth D. Merry 		return (ENXIO);
206d3c7b9a0SKenneth D. Merry 	}
207d3c7b9a0SKenneth D. Merry 
208d3c7b9a0SKenneth D. Merry 	/* Allocate the System Interface Register Set */
209d3c7b9a0SKenneth D. Merry 	sc->mps_regs_rid = PCIR_BAR(1);
210d3c7b9a0SKenneth D. Merry 	if ((sc->mps_regs_resource = bus_alloc_resource_any(dev,
211d3c7b9a0SKenneth D. Merry 	    SYS_RES_MEMORY, &sc->mps_regs_rid, RF_ACTIVE)) == NULL) {
212d3c7b9a0SKenneth D. Merry 		device_printf(dev, "Cannot allocate PCI registers\n");
213d3c7b9a0SKenneth D. Merry 		return (ENXIO);
214d3c7b9a0SKenneth D. Merry 	}
215d3c7b9a0SKenneth D. Merry 	sc->mps_btag = rman_get_bustag(sc->mps_regs_resource);
216d3c7b9a0SKenneth D. Merry 	sc->mps_bhandle = rman_get_bushandle(sc->mps_regs_resource);
217d3c7b9a0SKenneth D. Merry 
218d3c7b9a0SKenneth D. Merry 	/* Allocate the parent DMA tag */
219*d043c564SKenneth D. Merry 	if (bus_dma_tag_create( bus_get_dma_tag(dev),	/* parent */
220d3c7b9a0SKenneth D. Merry 				1, 0,			/* algnmnt, boundary */
221d3c7b9a0SKenneth D. Merry 				BUS_SPACE_MAXADDR,	/* lowaddr */
222d3c7b9a0SKenneth D. Merry 				BUS_SPACE_MAXADDR,	/* highaddr */
223d3c7b9a0SKenneth D. Merry 				NULL, NULL,		/* filter, filterarg */
224d3c7b9a0SKenneth D. Merry 				BUS_SPACE_MAXSIZE_32BIT,/* maxsize */
225d3c7b9a0SKenneth D. Merry 				BUS_SPACE_UNRESTRICTED,	/* nsegments */
226d3c7b9a0SKenneth D. Merry 				BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
227d3c7b9a0SKenneth D. Merry 				0,			/* flags */
228d3c7b9a0SKenneth D. Merry 				NULL, NULL,		/* lockfunc, lockarg */
229d3c7b9a0SKenneth D. Merry 				&sc->mps_parent_dmat)) {
230d3c7b9a0SKenneth D. Merry 		device_printf(dev, "Cannot allocate parent DMA tag\n");
231d3c7b9a0SKenneth D. Merry 		mps_pci_free(sc);
232d3c7b9a0SKenneth D. Merry 		return (ENOMEM);
233d3c7b9a0SKenneth D. Merry 	}
234d3c7b9a0SKenneth D. Merry 
235d3c7b9a0SKenneth D. Merry 	if ((error = mps_attach(sc)) != 0)
236d3c7b9a0SKenneth D. Merry 		mps_pci_free(sc);
237d3c7b9a0SKenneth D. Merry 
238d3c7b9a0SKenneth D. Merry 	return (error);
239d3c7b9a0SKenneth D. Merry }
240d3c7b9a0SKenneth D. Merry 
241d3c7b9a0SKenneth D. Merry int
242d3c7b9a0SKenneth D. Merry mps_pci_setup_interrupts(struct mps_softc *sc)
243d3c7b9a0SKenneth D. Merry {
244d3c7b9a0SKenneth D. Merry 	device_t dev;
245d3c7b9a0SKenneth D. Merry 	int i, error, msgs;
246d3c7b9a0SKenneth D. Merry 
247d3c7b9a0SKenneth D. Merry 	dev = sc->mps_dev;
248d3c7b9a0SKenneth D. Merry 	error = ENXIO;
249*d043c564SKenneth D. Merry 	if ((sc->disable_msix == 0) &&
250d3c7b9a0SKenneth D. Merry 	    ((msgs = pci_msix_count(dev)) >= MPS_MSI_COUNT))
251d3c7b9a0SKenneth D. Merry 		error = mps_alloc_msix(sc, MPS_MSI_COUNT);
252*d043c564SKenneth D. Merry 	if ((error != 0) && (sc->disable_msi == 0) &&
253d3c7b9a0SKenneth D. Merry 	    ((msgs = pci_msi_count(dev)) >= MPS_MSI_COUNT))
254d3c7b9a0SKenneth D. Merry 		error = mps_alloc_msi(sc, MPS_MSI_COUNT);
255d3c7b9a0SKenneth D. Merry 
256d3c7b9a0SKenneth D. Merry 	if (error != 0) {
257d3c7b9a0SKenneth D. Merry 		sc->mps_flags |= MPS_FLAGS_INTX;
258d3c7b9a0SKenneth D. Merry 		sc->mps_irq_rid[0] = 0;
259d3c7b9a0SKenneth D. Merry 		sc->mps_irq[0] = bus_alloc_resource_any(dev, SYS_RES_IRQ,
260d3c7b9a0SKenneth D. Merry 		    &sc->mps_irq_rid[0],  RF_SHAREABLE | RF_ACTIVE);
261d3c7b9a0SKenneth D. Merry 		if (sc->mps_irq[0] == NULL) {
262d3c7b9a0SKenneth D. Merry 			device_printf(dev, "Cannot allocate INTx interrupt\n");
263d3c7b9a0SKenneth D. Merry 			return (ENXIO);
264d3c7b9a0SKenneth D. Merry 		}
265d3c7b9a0SKenneth D. Merry 		error = bus_setup_intr(dev, sc->mps_irq[0],
266d3c7b9a0SKenneth D. Merry 		    INTR_TYPE_BIO | INTR_MPSAFE, NULL, mps_intr, sc,
267d3c7b9a0SKenneth D. Merry 		    &sc->mps_intrhand[0]);
268d3c7b9a0SKenneth D. Merry 		if (error)
269d3c7b9a0SKenneth D. Merry 			device_printf(dev, "Cannot setup INTx interrupt\n");
270d3c7b9a0SKenneth D. Merry 	} else {
271d3c7b9a0SKenneth D. Merry 		sc->mps_flags |= MPS_FLAGS_MSI;
272d3c7b9a0SKenneth D. Merry 		for (i = 0; i < MPS_MSI_COUNT; i++) {
273d3c7b9a0SKenneth D. Merry 			sc->mps_irq_rid[i] = i + 1;
274d3c7b9a0SKenneth D. Merry 			sc->mps_irq[i] = bus_alloc_resource_any(dev,
275d3c7b9a0SKenneth D. Merry 			    SYS_RES_IRQ, &sc->mps_irq_rid[i], RF_ACTIVE);
276d3c7b9a0SKenneth D. Merry 			if (sc->mps_irq[i] == NULL) {
277d3c7b9a0SKenneth D. Merry 				device_printf(dev,
278d3c7b9a0SKenneth D. Merry 				    "Cannot allocate MSI interrupt\n");
279d3c7b9a0SKenneth D. Merry 				return (ENXIO);
280d3c7b9a0SKenneth D. Merry 			}
281d3c7b9a0SKenneth D. Merry 			error = bus_setup_intr(dev, sc->mps_irq[i],
282d3c7b9a0SKenneth D. Merry 			    INTR_TYPE_BIO | INTR_MPSAFE, NULL, mps_intr_msi,
283d3c7b9a0SKenneth D. Merry 			    sc, &sc->mps_intrhand[i]);
284d3c7b9a0SKenneth D. Merry 			if (error) {
285d3c7b9a0SKenneth D. Merry 				device_printf(dev,
286d3c7b9a0SKenneth D. Merry 				    "Cannot setup MSI interrupt %d\n", i);
287d3c7b9a0SKenneth D. Merry 				break;
288d3c7b9a0SKenneth D. Merry 			}
289d3c7b9a0SKenneth D. Merry 		}
290d3c7b9a0SKenneth D. Merry 	}
291d3c7b9a0SKenneth D. Merry 
292d3c7b9a0SKenneth D. Merry 	return (error);
293d3c7b9a0SKenneth D. Merry }
294d3c7b9a0SKenneth D. Merry 
295d3c7b9a0SKenneth D. Merry static int
296d3c7b9a0SKenneth D. Merry mps_pci_detach(device_t dev)
297d3c7b9a0SKenneth D. Merry {
298d3c7b9a0SKenneth D. Merry 	struct mps_softc *sc;
299d3c7b9a0SKenneth D. Merry 	int error;
300d3c7b9a0SKenneth D. Merry 
301d3c7b9a0SKenneth D. Merry 	sc = device_get_softc(dev);
302d3c7b9a0SKenneth D. Merry 
303d3c7b9a0SKenneth D. Merry 	if ((error = mps_free(sc)) != 0)
304d3c7b9a0SKenneth D. Merry 		return (error);
305d3c7b9a0SKenneth D. Merry 
306d3c7b9a0SKenneth D. Merry 	mps_pci_free(sc);
307d3c7b9a0SKenneth D. Merry 	return (0);
308d3c7b9a0SKenneth D. Merry }
309d3c7b9a0SKenneth D. Merry 
310d3c7b9a0SKenneth D. Merry static void
311d3c7b9a0SKenneth D. Merry mps_pci_free(struct mps_softc *sc)
312d3c7b9a0SKenneth D. Merry {
313d3c7b9a0SKenneth D. Merry 	int i;
314d3c7b9a0SKenneth D. Merry 
315d3c7b9a0SKenneth D. Merry 	if (sc->mps_parent_dmat != NULL) {
316d3c7b9a0SKenneth D. Merry 		bus_dma_tag_destroy(sc->mps_parent_dmat);
317d3c7b9a0SKenneth D. Merry 	}
318d3c7b9a0SKenneth D. Merry 
319d3c7b9a0SKenneth D. Merry 	if (sc->mps_flags & MPS_FLAGS_MSI) {
320d3c7b9a0SKenneth D. Merry 		for (i = 0; i < MPS_MSI_COUNT; i++) {
321d3c7b9a0SKenneth D. Merry 			if (sc->mps_irq[i] != NULL) {
322d3c7b9a0SKenneth D. Merry 				bus_teardown_intr(sc->mps_dev, sc->mps_irq[i],
323d3c7b9a0SKenneth D. Merry 				    sc->mps_intrhand[i]);
324d3c7b9a0SKenneth D. Merry 				bus_release_resource(sc->mps_dev, SYS_RES_IRQ,
325d3c7b9a0SKenneth D. Merry 				    sc->mps_irq_rid[i], sc->mps_irq[i]);
326d3c7b9a0SKenneth D. Merry 			}
327d3c7b9a0SKenneth D. Merry 		}
328d3c7b9a0SKenneth D. Merry 		pci_release_msi(sc->mps_dev);
329d3c7b9a0SKenneth D. Merry 	}
330d3c7b9a0SKenneth D. Merry 
331d3c7b9a0SKenneth D. Merry 	if (sc->mps_flags & MPS_FLAGS_INTX) {
332d3c7b9a0SKenneth D. Merry 		bus_teardown_intr(sc->mps_dev, sc->mps_irq[0],
333d3c7b9a0SKenneth D. Merry 		    sc->mps_intrhand[0]);
334d3c7b9a0SKenneth D. Merry 		bus_release_resource(sc->mps_dev, SYS_RES_IRQ,
335d3c7b9a0SKenneth D. Merry 		    sc->mps_irq_rid[0], sc->mps_irq[0]);
336d3c7b9a0SKenneth D. Merry 	}
337d3c7b9a0SKenneth D. Merry 
338d3c7b9a0SKenneth D. Merry 	if (sc->mps_regs_resource != NULL) {
339d3c7b9a0SKenneth D. Merry 		bus_release_resource(sc->mps_dev, SYS_RES_MEMORY,
340d3c7b9a0SKenneth D. Merry 		    sc->mps_regs_rid, sc->mps_regs_resource);
341d3c7b9a0SKenneth D. Merry 	}
342d3c7b9a0SKenneth D. Merry 
343d3c7b9a0SKenneth D. Merry 	return;
344d3c7b9a0SKenneth D. Merry }
345d3c7b9a0SKenneth D. Merry 
346d3c7b9a0SKenneth D. Merry static int
347d3c7b9a0SKenneth D. Merry mps_pci_suspend(device_t dev)
348d3c7b9a0SKenneth D. Merry {
349d3c7b9a0SKenneth D. Merry 	return (EINVAL);
350d3c7b9a0SKenneth D. Merry }
351d3c7b9a0SKenneth D. Merry 
352d3c7b9a0SKenneth D. Merry static int
353d3c7b9a0SKenneth D. Merry mps_pci_resume(device_t dev)
354d3c7b9a0SKenneth D. Merry {
355d3c7b9a0SKenneth D. Merry 	return (EINVAL);
356d3c7b9a0SKenneth D. Merry }
357d3c7b9a0SKenneth D. Merry 
358d3c7b9a0SKenneth D. Merry static int
359d3c7b9a0SKenneth D. Merry mps_alloc_msix(struct mps_softc *sc, int msgs)
360d3c7b9a0SKenneth D. Merry {
361d3c7b9a0SKenneth D. Merry 	int error;
362d3c7b9a0SKenneth D. Merry 
363d3c7b9a0SKenneth D. Merry 	error = pci_alloc_msix(sc->mps_dev, &msgs);
364d3c7b9a0SKenneth D. Merry 	return (error);
365d3c7b9a0SKenneth D. Merry }
366d3c7b9a0SKenneth D. Merry 
367d3c7b9a0SKenneth D. Merry static int
368d3c7b9a0SKenneth D. Merry mps_alloc_msi(struct mps_softc *sc, int msgs)
369d3c7b9a0SKenneth D. Merry {
370d3c7b9a0SKenneth D. Merry 	int error;
371d3c7b9a0SKenneth D. Merry 
372d3c7b9a0SKenneth D. Merry 	error = pci_alloc_msi(sc->mps_dev, &msgs);
373d3c7b9a0SKenneth D. Merry 	return (error);
374d3c7b9a0SKenneth D. Merry }
375d3c7b9a0SKenneth D. Merry 
376*d043c564SKenneth D. Merry int
377*d043c564SKenneth D. Merry mps_pci_restore(struct mps_softc *sc)
378*d043c564SKenneth D. Merry {
379*d043c564SKenneth D. Merry 	struct pci_devinfo *dinfo;
380*d043c564SKenneth D. Merry 
381*d043c564SKenneth D. Merry 	mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
382*d043c564SKenneth D. Merry 
383*d043c564SKenneth D. Merry 	dinfo = device_get_ivars(sc->mps_dev);
384*d043c564SKenneth D. Merry 	if (dinfo == NULL) {
385*d043c564SKenneth D. Merry 		mps_dprint(sc, MPS_FAULT, "%s: NULL dinfo\n", __func__);
386*d043c564SKenneth D. Merry 		return (EINVAL);
387*d043c564SKenneth D. Merry 	}
388*d043c564SKenneth D. Merry 
389*d043c564SKenneth D. Merry 	pci_cfg_restore(sc->mps_dev, dinfo);
390*d043c564SKenneth D. Merry 	return (0);
391*d043c564SKenneth D. Merry }
392*d043c564SKenneth D. Merry 
393