2 * Copyright (c) 2006 IronPort Systems
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
27 * Copyright (c) 2007 LSI Corp.
28 * Copyright (c) 2007 Rajesh Prabhakaran.
29 * All rights reserved.
31 * Redistribution and use in source and binary forms, with or without
32 * modification, are permitted provided that the following conditions
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.
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
52 * $FreeBSD: src/sys/dev/mfi/mfi_pci.c,v 1.16 2010/03/02 17:34:11 kib Exp $
55 /* PCI/PCI-X/PCIe bus interface for the LSI MegaSAS controllers */
59 #include <sys/param.h>
60 #include <sys/systm.h>
61 #include <sys/kernel.h>
62 #include <sys/module.h>
66 #include <sys/malloc.h>
68 #include <sys/eventhandler.h>
72 #include <bus/pci/pcireg.h>
73 #include <bus/pci/pcivar.h>
75 #include <dev/raid/mfi/mfireg.h>
76 #include <dev/raid/mfi/mfi_ioctl.h>
77 #include <dev/raid/mfi/mfivar.h>
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 *);
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),
97 static driver_t mfi_pci_driver = {
100 sizeof(struct mfi_softc)
103 static devclass_t mfi_devclass;
104 DRIVER_MODULE(mfi, pci, mfi_pci_driver, mfi_devclass, 0, 0);
105 MODULE_VERSION(mfi, 1);
114 } mfi_identifiers[] = {
115 {0x1000, 0x0060, 0x1028, 0xffff, MFI_FLAGS_1078, "Dell PERC 6"},
116 {0x1000, 0x0060, 0xffff, 0xffff, MFI_FLAGS_1078, "LSI MegaSAS 1078"},
117 {0x1000, 0x0078, 0xffff, 0xffff, MFI_FLAGS_GEN2, "LSI MegaSAS Gen2"},
118 {0x1000, 0x0079, 0x1028, 0x1f15, MFI_FLAGS_GEN2, "Dell PERC H800 Adapter"},
119 {0x1000, 0x0079, 0x1028, 0x1f16, MFI_FLAGS_GEN2, "Dell PERC H700 Adapter"},
120 {0x1000, 0x0079, 0x1028, 0x1f17, MFI_FLAGS_GEN2, "Dell PERC H700 Integrated"},
121 {0x1000, 0x0079, 0x1028, 0x1f18, MFI_FLAGS_GEN2, "Dell PERC H700 Modular"},
122 {0x1000, 0x0079, 0x1028, 0x1f19, MFI_FLAGS_GEN2, "Dell PERC H700"},
123 {0x1000, 0x0079, 0x1028, 0x1f1b, MFI_FLAGS_GEN2, "Dell PERC H800"},
124 {0x1000, 0x0079, 0x1028, 0xffff, MFI_FLAGS_GEN2, "Dell PERC Gen2"},
125 {0x1000, 0x0079, 0xffff, 0xffff, MFI_FLAGS_GEN2, "LSI MegaSAS Gen2"},
126 {0x1000, 0x007c, 0xffff, 0xffff, MFI_FLAGS_1078, "LSI MegaSAS 1078"},
127 {0x1000, 0x0411, 0xffff, 0xffff, MFI_FLAGS_1064R, "LSI MegaSAS 1064R"}, /* Brocton IOP */
128 {0x1000, 0x0413, 0xffff, 0xffff, MFI_FLAGS_1064R, "LSI MegaSAS 1064R"}, /* Verde ZCR */
129 {0x1028, 0x0015, 0xffff, 0xffff, MFI_FLAGS_1064R, "Dell PERC 5/i"},
130 {0, 0, 0, 0, 0, NULL}
133 static struct mfi_ident *
134 mfi_find_ident(device_t dev)
138 for (m = mfi_identifiers; m->vendor != 0; m++) {
139 if ((m->vendor == pci_get_vendor(dev)) &&
140 (m->device == pci_get_device(dev)) &&
141 ((m->subvendor == pci_get_subvendor(dev)) ||
142 (m->subvendor == 0xffff)) &&
143 ((m->subdevice == pci_get_subdevice(dev)) ||
144 (m->subdevice == 0xffff)))
152 mfi_pci_probe(device_t dev)
154 struct mfi_ident *id;
156 if ((id = mfi_find_ident(dev)) != NULL) {
157 device_set_desc(dev, id->desc);
158 return (BUS_PROBE_DEFAULT);
164 mfi_pci_attach(device_t dev)
166 struct mfi_softc *sc;
171 sc = device_get_softc(dev);
172 bzero(sc, sizeof(*sc));
174 m = mfi_find_ident(dev);
175 sc->mfi_flags = m->flags;
177 /* Verify that the adapter can be set up in PCI space */
178 command = pci_read_config(dev, PCIR_COMMAND, 2);
179 command |= PCIM_CMD_BUSMASTEREN;
180 pci_write_config(dev, PCIR_COMMAND, command, 2);
181 command = pci_read_config(dev, PCIR_COMMAND, 2);
182 if ((command & PCIM_CMD_BUSMASTEREN) == 0) {
183 device_printf(dev, "Can't enable PCI busmaster\n");
186 if ((command & PCIM_CMD_MEMEN) == 0) {
187 device_printf(dev, "PCI memory window not available\n");
191 /* Allocate PCI registers */
192 if ((sc->mfi_flags & MFI_FLAGS_1064R) ||
193 (sc->mfi_flags & MFI_FLAGS_1078)) {
194 /* 1068/1078: Memory mapped BAR is at offset 0x10 */
195 sc->mfi_regs_rid = PCIR_BAR(0);
196 } else if (sc->mfi_flags & MFI_FLAGS_GEN2) {
197 /* GEN2: Memory mapped BAR is at offset 0x14 */
198 sc->mfi_regs_rid = PCIR_BAR(1);
200 if ((sc->mfi_regs_resource = bus_alloc_resource_any(sc->mfi_dev,
201 SYS_RES_MEMORY, &sc->mfi_regs_rid, RF_ACTIVE)) == NULL) {
202 device_printf(dev, "Cannot allocate PCI registers\n");
205 sc->mfi_btag = rman_get_bustag(sc->mfi_regs_resource);
206 sc->mfi_bhandle = rman_get_bushandle(sc->mfi_regs_resource);
210 /* Allocate parent DMA tag */
211 if (bus_dma_tag_create( NULL, /* parent */
212 1, 0, /* algnmnt, boundary */
213 BUS_SPACE_MAXADDR, /* lowaddr */
214 BUS_SPACE_MAXADDR, /* highaddr */
215 NULL, NULL, /* filter, filterarg */
216 BUS_SPACE_MAXSIZE_32BIT,/* maxsize */
217 BUS_SPACE_UNRESTRICTED, /* nsegments */
218 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
220 &sc->mfi_parent_dmat)) {
221 device_printf(dev, "Cannot allocate parent DMA tag\n");
225 error = mfi_attach(sc);
236 mfi_pci_detach(device_t dev)
238 struct mfi_softc *sc;
242 sc = device_get_softc(dev);
244 lockmgr(&sc->mfi_config_lock, LK_EXCLUSIVE);
245 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
246 if ((sc->mfi_flags & MFI_FLAGS_OPEN) != 0) {
247 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
248 lockmgr(&sc->mfi_config_lock, LK_RELEASE);
251 sc->mfi_detaching = 1;
252 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
254 while ((ld = TAILQ_FIRST(&sc->mfi_ld_tqh)) != NULL) {
255 if ((error = device_delete_child(dev, ld->ld_dev)) != 0) {
256 sc->mfi_detaching = 0;
257 lockmgr(&sc->mfi_config_lock, LK_RELEASE);
261 lockmgr(&sc->mfi_config_lock, LK_RELEASE);
263 EVENTHANDLER_DEREGISTER(shutdown_final, sc->mfi_eh);
272 mfi_pci_free(struct mfi_softc *sc)
275 if (sc->mfi_regs_resource != NULL) {
276 bus_release_resource(sc->mfi_dev, SYS_RES_MEMORY,
277 sc->mfi_regs_rid, sc->mfi_regs_resource);
284 mfi_pci_suspend(device_t dev)
291 mfi_pci_resume(device_t dev)