2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD AND BSD-2-Clause
4 * Copyright (c) 2006 IronPort Systems
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * Copyright (c) 2007 LSI Corp.
30 * Copyright (c) 2007 Rajesh Prabhakaran.
31 * All rights reserved.
33 * Redistribution and use in source and binary forms, with or without
34 * modification, are permitted provided that the following conditions
36 * 1. Redistributions of source code must retain the above copyright
37 * notice, this list of conditions and the following disclaimer.
38 * 2. Redistributions in binary form must reproduce the above copyright
39 * notice, this list of conditions and the following disclaimer in the
40 * documentation and/or other materials provided with the distribution.
42 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
43 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
44 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
45 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
46 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
47 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
48 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
49 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
50 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
51 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
55 #include <sys/cdefs.h>
56 __FBSDID("$FreeBSD$");
58 /* PCI/PCI-X/PCIe bus interface for the LSI MegaSAS controllers */
62 #include <sys/param.h>
66 #include <sys/eventhandler.h>
67 #include <sys/kernel.h>
69 #include <sys/module.h>
70 #include <sys/malloc.h>
71 #include <sys/mutex.h>
72 #include <sys/selinfo.h>
73 #include <sys/sysctl.h>
74 #include <sys/systm.h>
77 #include <machine/bus.h>
78 #include <machine/resource.h>
81 #include <dev/pci/pcireg.h>
82 #include <dev/pci/pcivar.h>
84 #include <dev/mfi/mfireg.h>
85 #include <dev/mfi/mfi_ioctl.h>
86 #include <dev/mfi/mfivar.h>
88 static int mfi_pci_probe(device_t);
89 static int mfi_pci_attach(device_t);
90 static int mfi_pci_detach(device_t);
91 static int mfi_pci_suspend(device_t);
92 static int mfi_pci_resume(device_t);
93 static void mfi_pci_free(struct mfi_softc *);
95 static device_method_t mfi_methods[] = {
96 DEVMETHOD(device_probe, mfi_pci_probe),
97 DEVMETHOD(device_attach, mfi_pci_attach),
98 DEVMETHOD(device_detach, mfi_pci_detach),
99 DEVMETHOD(device_suspend, mfi_pci_suspend),
100 DEVMETHOD(device_resume, mfi_pci_resume),
105 static driver_t mfi_pci_driver = {
108 sizeof(struct mfi_softc)
111 static devclass_t mfi_devclass;
113 static int mfi_msi = 1;
114 SYSCTL_INT(_hw_mfi, OID_AUTO, msi, CTLFLAG_RDTUN, &mfi_msi, 0,
115 "Enable use of MSI interrupts");
117 static int mfi_mrsas_enable;
118 SYSCTL_INT(_hw_mfi, OID_AUTO, mrsas_enable, CTLFLAG_RDTUN, &mfi_mrsas_enable,
119 0, "Allow mrasas to take newer cards");
128 } mfi_identifiers[] = {
129 {0x1000, 0x005b, 0x1028, 0x1f2d, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT| MFI_FLAGS_MRSAS, "Dell PERC H810 Adapter"},
130 {0x1000, 0x005b, 0x1028, 0x1f30, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT| MFI_FLAGS_MRSAS, "Dell PERC H710 Embedded"},
131 {0x1000, 0x005b, 0x1028, 0x1f31, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT| MFI_FLAGS_MRSAS, "Dell PERC H710P Adapter"},
132 {0x1000, 0x005b, 0x1028, 0x1f33, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT| MFI_FLAGS_MRSAS, "Dell PERC H710P Mini (blades)"},
133 {0x1000, 0x005b, 0x1028, 0x1f34, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT| MFI_FLAGS_MRSAS, "Dell PERC H710P Mini (monolithics)"},
134 {0x1000, 0x005b, 0x1028, 0x1f35, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT| MFI_FLAGS_MRSAS, "Dell PERC H710 Adapter"},
135 {0x1000, 0x005b, 0x1028, 0x1f37, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT| MFI_FLAGS_MRSAS, "Dell PERC H710 Mini (blades)"},
136 {0x1000, 0x005b, 0x1028, 0x1f38, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT| MFI_FLAGS_MRSAS, "Dell PERC H710 Mini (monolithics)"},
137 {0x1000, 0x005b, 0x8086, 0x9265, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT| MFI_FLAGS_MRSAS, "Intel (R) RAID Controller RS25DB080"},
138 {0x1000, 0x005b, 0x8086, 0x9285, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT| MFI_FLAGS_MRSAS, "Intel (R) RAID Controller RS25NB008"},
139 {0x1000, 0x005b, 0xffff, 0xffff, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT| MFI_FLAGS_MRSAS, "ThunderBolt"},
140 {0x1000, 0x005d, 0xffff, 0xffff, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT| MFI_FLAGS_MRSAS| MFI_FLAGS_INVADER, "Invader"},
141 {0x1000, 0x005f, 0xffff, 0xffff, MFI_FLAGS_SKINNY| MFI_FLAGS_TBOLT| MFI_FLAGS_MRSAS| MFI_FLAGS_FURY, "Fury"},
142 {0x1000, 0x0060, 0x1028, 0xffff, MFI_FLAGS_1078, "Dell PERC 6"},
143 {0x1000, 0x0060, 0xffff, 0xffff, MFI_FLAGS_1078, "LSI MegaSAS 1078"},
144 {0x1000, 0x0071, 0xffff, 0xffff, MFI_FLAGS_SKINNY, "Drake Skinny"},
145 {0x1000, 0x0073, 0xffff, 0xffff, MFI_FLAGS_SKINNY, "Drake Skinny"},
146 {0x1000, 0x0078, 0xffff, 0xffff, MFI_FLAGS_GEN2, "LSI MegaSAS Gen2"},
147 {0x1000, 0x0079, 0x1028, 0x1f15, MFI_FLAGS_GEN2, "Dell PERC H800 Adapter"},
148 {0x1000, 0x0079, 0x1028, 0x1f16, MFI_FLAGS_GEN2, "Dell PERC H700 Adapter"},
149 {0x1000, 0x0079, 0x1028, 0x1f17, MFI_FLAGS_GEN2, "Dell PERC H700 Integrated"},
150 {0x1000, 0x0079, 0x1028, 0x1f18, MFI_FLAGS_GEN2, "Dell PERC H700 Modular"},
151 {0x1000, 0x0079, 0x1028, 0x1f19, MFI_FLAGS_GEN2, "Dell PERC H700"},
152 {0x1000, 0x0079, 0x1028, 0x1f1a, MFI_FLAGS_GEN2, "Dell PERC H800 Proto Adapter"},
153 {0x1000, 0x0079, 0x1028, 0x1f1b, MFI_FLAGS_GEN2, "Dell PERC H800"},
154 {0x1000, 0x0079, 0x1028, 0xffff, MFI_FLAGS_GEN2, "Dell PERC Gen2"},
155 {0x1000, 0x0079, 0xffff, 0xffff, MFI_FLAGS_GEN2, "LSI MegaSAS Gen2"},
156 {0x1000, 0x007c, 0xffff, 0xffff, MFI_FLAGS_1078, "LSI MegaSAS 1078"},
157 {0x1000, 0x0411, 0xffff, 0xffff, MFI_FLAGS_1064R, "LSI MegaSAS 1064R"}, /* Brocton IOP */
158 {0x1000, 0x0413, 0xffff, 0xffff, MFI_FLAGS_1064R, "LSI MegaSAS 1064R"}, /* Verde ZCR */
159 {0x1028, 0x0015, 0xffff, 0xffff, MFI_FLAGS_1064R, "Dell PERC 5/i"},
160 {0, 0, 0, 0, 0, NULL}
163 DRIVER_MODULE(mfi, pci, mfi_pci_driver, mfi_devclass, 0, 0);
164 MODULE_PNP_INFO("U16:vendor;U16:device;U16:subvendor;U16:subdevice", pci, mfi,
165 mfi_identifiers, nitems(mfi_identifiers) - 1);
166 MODULE_VERSION(mfi, 1);
168 static struct mfi_ident *
169 mfi_find_ident(device_t dev)
173 for (m = mfi_identifiers; m->vendor != 0; m++) {
174 if ((m->vendor == pci_get_vendor(dev)) &&
175 (m->device == pci_get_device(dev)) &&
176 ((m->subvendor == pci_get_subvendor(dev)) ||
177 (m->subvendor == 0xffff)) &&
178 ((m->subdevice == pci_get_subdevice(dev)) ||
179 (m->subdevice == 0xffff)))
187 mfi_pci_probe(device_t dev)
189 struct mfi_ident *id;
191 if ((id = mfi_find_ident(dev)) != NULL) {
192 device_set_desc(dev, id->desc);
194 /* give priority to mrsas if tunable set */
195 if ((id->flags & MFI_FLAGS_MRSAS) && mfi_mrsas_enable)
196 return (BUS_PROBE_LOW_PRIORITY);
198 return (BUS_PROBE_DEFAULT);
204 mfi_pci_attach(device_t dev)
206 struct mfi_softc *sc;
210 sc = device_get_softc(dev);
211 bzero(sc, sizeof(*sc));
213 m = mfi_find_ident(dev);
214 sc->mfi_flags = m->flags;
216 /* Ensure busmastering is enabled */
217 pci_enable_busmaster(dev);
219 /* Allocate PCI registers */
220 if ((sc->mfi_flags & MFI_FLAGS_1064R) ||
221 (sc->mfi_flags & MFI_FLAGS_1078)) {
222 /* 1068/1078: Memory mapped BAR is at offset 0x10 */
223 sc->mfi_regs_rid = PCIR_BAR(0);
225 else if ((sc->mfi_flags & MFI_FLAGS_GEN2) ||
226 (sc->mfi_flags & MFI_FLAGS_SKINNY) ||
227 (sc->mfi_flags & MFI_FLAGS_TBOLT)) {
228 /* Gen2/Skinny: Memory mapped BAR is at offset 0x14 */
229 sc->mfi_regs_rid = PCIR_BAR(1);
231 if ((sc->mfi_regs_resource = bus_alloc_resource_any(sc->mfi_dev,
232 SYS_RES_MEMORY, &sc->mfi_regs_rid, RF_ACTIVE)) == NULL) {
233 device_printf(dev, "Cannot allocate PCI registers\n");
236 sc->mfi_btag = rman_get_bustag(sc->mfi_regs_resource);
237 sc->mfi_bhandle = rman_get_bushandle(sc->mfi_regs_resource);
241 /* Allocate parent DMA tag */
242 if (bus_dma_tag_create( bus_get_dma_tag(dev), /* PCI parent */
243 1, 0, /* algnmnt, boundary */
244 BUS_SPACE_MAXADDR, /* lowaddr */
245 BUS_SPACE_MAXADDR, /* highaddr */
246 NULL, NULL, /* filter, filterarg */
247 BUS_SPACE_MAXSIZE_32BIT,/* maxsize */
248 BUS_SPACE_UNRESTRICTED, /* nsegments */
249 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
251 NULL, NULL, /* lockfunc, lockarg */
252 &sc->mfi_parent_dmat)) {
253 device_printf(dev, "Cannot allocate parent DMA tag\n");
257 /* Allocate IRQ resource. */
260 if (mfi_msi && pci_alloc_msi(sc->mfi_dev, &count) == 0) {
261 device_printf(sc->mfi_dev, "Using MSI\n");
264 if ((sc->mfi_irq = bus_alloc_resource_any(sc->mfi_dev, SYS_RES_IRQ,
265 &sc->mfi_irq_rid, RF_SHAREABLE | RF_ACTIVE)) == NULL) {
266 device_printf(sc->mfi_dev, "Cannot allocate interrupt\n");
271 error = mfi_attach(sc);
282 mfi_pci_detach(device_t dev)
284 struct mfi_softc *sc;
285 int error, devcount, i;
288 sc = device_get_softc(dev);
290 sx_xlock(&sc->mfi_config_lock);
291 mtx_lock(&sc->mfi_io_lock);
292 if ((sc->mfi_flags & MFI_FLAGS_OPEN) != 0) {
293 mtx_unlock(&sc->mfi_io_lock);
294 sx_xunlock(&sc->mfi_config_lock);
297 sc->mfi_detaching = 1;
298 mtx_unlock(&sc->mfi_io_lock);
300 if ((error = device_get_children(sc->mfi_dev, &devlist, &devcount)) != 0) {
301 sx_xunlock(&sc->mfi_config_lock);
304 for (i = 0; i < devcount; i++)
305 device_delete_child(sc->mfi_dev, devlist[i]);
306 free(devlist, M_TEMP);
307 sx_xunlock(&sc->mfi_config_lock);
309 EVENTHANDLER_DEREGISTER(shutdown_final, sc->mfi_eh);
318 mfi_pci_free(struct mfi_softc *sc)
321 if (sc->mfi_regs_resource != NULL) {
322 bus_release_resource(sc->mfi_dev, SYS_RES_MEMORY,
323 sc->mfi_regs_rid, sc->mfi_regs_resource);
325 if (sc->mfi_irq_rid != 0)
326 pci_release_msi(sc->mfi_dev);
332 mfi_pci_suspend(device_t dev)
339 mfi_pci_resume(device_t dev)