mfi(4): Merge LSI's latest driver changes (updates us to version 3.981).
[dragonfly.git] / sys / dev / raid / mfi / mfi_pci.c
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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.
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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.
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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
109static int mfi_pci_probe(device_t);
110static int mfi_pci_attach(device_t);
111static int mfi_pci_detach(device_t);
112static int mfi_pci_suspend(device_t);
113static int mfi_pci_resume(device_t);
114static void mfi_pci_free(struct mfi_softc *);
115
116static 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
127static driver_t mfi_pci_driver = {
128 "mfi",
129 mfi_methods,
130 sizeof(struct mfi_softc)
131};
132
133static devclass_t mfi_devclass;
aa2b9d05 134DRIVER_MODULE(mfi, pci, mfi_pci_driver, mfi_devclass, NULL, NULL);
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135MODULE_VERSION(mfi, 1);
136
137struct 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"},
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147 {0x1000, 0x0071, 0xffff, 0xffff, MFI_FLAGS_SKINNY, "Drake Skinny"},
148 {0x1000, 0x0073, 0xffff, 0xffff, MFI_FLAGS_SKINNY, "Drake Skinny"},
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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"},
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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
166static struct mfi_ident *
167mfi_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
184static int
185mfi_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
196static int
197mfi_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);
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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 */
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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);
260out:
261 if (error) {
262 mfi_free(sc);
263 mfi_pci_free(sc);
264 }
265
266 return (error);
267}
268
269static int
270mfi_pci_detach(device_t dev)
271{
272 struct mfi_softc *sc;
273 struct mfi_disk *ld;
17566092 274 struct mfi_system_pd *syspd = NULL;
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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 }
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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 }
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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
313static void
314mfi_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
325static int
326mfi_pci_suspend(device_t dev)
327{
328
329 return (EINVAL);
330}
331
332static int
333mfi_pci_resume(device_t dev)
334{
335
336 return (EINVAL);
337}