mfi(4): Update to LSI's version 4.23 of the driver.
[dragonfly.git] / sys / dev / raid / mfi / mfi_pci.c
CommitLineData
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
79static int mfi_pci_probe(device_t);
80static int mfi_pci_attach(device_t);
81static int mfi_pci_detach(device_t);
82static int mfi_pci_suspend(device_t);
83static int mfi_pci_resume(device_t);
84static void mfi_pci_free(struct mfi_softc *);
85
86static 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
97static driver_t mfi_pci_driver = {
98 "mfi",
99 mfi_methods,
100 sizeof(struct mfi_softc)
101};
102
103static devclass_t mfi_devclass;
aa2b9d05 104DRIVER_MODULE(mfi, pci, mfi_pci_driver, mfi_devclass, NULL, NULL);
249d29c8
SW
105MODULE_VERSION(mfi, 1);
106
590ba11d
SW
107static int mfi_msi_enable = 1;
108TUNABLE_INT("hw.mfi.msi.enable", &mfi_msi_enable);
109
249d29c8
SW
110struct 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"},
130 {0x1000, 0x0060, 0xffff, 0xffff, MFI_FLAGS_1078, "LSI MegaSAS 1078"},
17566092
SW
131 {0x1000, 0x0071, 0xffff, 0xffff, MFI_FLAGS_SKINNY, "Drake Skinny"},
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
150static struct mfi_ident *
151mfi_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
168static int
169mfi_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
180static int
181mfi_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) ||
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);
256out:
257 if (error) {
258 mfi_free(sc);
259 mfi_pci_free(sc);
260 }
261
262 return (error);
263}
264
265static int
266mfi_pci_detach(device_t dev)
267{
268 struct mfi_softc *sc;
590ba11d
SW
269 device_t *devlist;
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
301static void
302mfi_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)
310 pci_release_msi(sc->mfi_dev);
249d29c8
SW
311}
312
313static int
314mfi_pci_suspend(device_t dev)
315{
316
317 return (EINVAL);
318}
319
320static int
321mfi_pci_resume(device_t dev)
322{
323
324 return (EINVAL);
325}