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ad8cf91c SW |
1 | /*- |
2 | * Copyright (c) 2009 Yahoo! Inc. | |
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 | * | |
c12c399a | 26 | * $FreeBSD: src/sys/dev/mps/mps_pci.c,v 1.4 2012/01/26 18:17:21 ken Exp $ |
ad8cf91c SW |
27 | */ |
28 | ||
29 | /* PCI/PCI-X/PCIe bus interface for the LSI MPT2 controllers */ | |
30 | ||
c12c399a | 31 | /* TODO Move headers to mpsvar */ |
ad8cf91c SW |
32 | #include <sys/types.h> |
33 | #include <sys/param.h> | |
34 | #include <sys/systm.h> | |
35 | #include <sys/kernel.h> | |
36 | #include <sys/module.h> | |
43f7c553 | 37 | #include <sys/endian.h> |
ad8cf91c SW |
38 | #include <sys/bus.h> |
39 | #include <sys/conf.h> | |
c12c399a | 40 | #include <sys/eventhandler.h> |
ad8cf91c SW |
41 | #include <sys/malloc.h> |
42 | #include <sys/sysctl.h> | |
43 | #include <sys/uio.h> | |
44 | ||
45 | #include <sys/rman.h> | |
ad8cf91c SW |
46 | |
47 | #include <bus/pci/pcireg.h> | |
48 | #include <bus/pci/pcivar.h> | |
c12c399a | 49 | #include <bus/pci/pci_private.h> |
ad8cf91c | 50 | |
c12c399a SW |
51 | #include <dev/raid/mps/mpi/mpi2_type.h> |
52 | #include <dev/raid/mps/mpi/mpi2.h> | |
53 | #include <dev/raid/mps/mpi/mpi2_ioc.h> | |
54 | #include <dev/raid/mps/mpi/mpi2_cnfg.h> | |
55 | #include <dev/raid/mps/mpi/mpi2_tool.h> | |
ad8cf91c | 56 | |
c12c399a SW |
57 | #include <sys/queue.h> |
58 | #include <sys/kthread.h> | |
59 | #include <dev/raid/mps/mps_ioctl.h> | |
60 | #include <dev/raid/mps/mpsvar.h> | |
ad8cf91c SW |
61 | |
62 | static int mps_pci_probe(device_t); | |
63 | static int mps_pci_attach(device_t); | |
64 | static int mps_pci_detach(device_t); | |
65 | static int mps_pci_suspend(device_t); | |
66 | static int mps_pci_resume(device_t); | |
67 | static void mps_pci_free(struct mps_softc *); | |
c12c399a | 68 | #if 0 /* XXX swildner */ |
ad8cf91c | 69 | static int mps_alloc_msix(struct mps_softc *sc, int msgs); |
9dc47ee5 | 70 | #endif |
ad8cf91c | 71 | |
ad8cf91c SW |
72 | static device_method_t mps_methods[] = { |
73 | DEVMETHOD(device_probe, mps_pci_probe), | |
74 | DEVMETHOD(device_attach, mps_pci_attach), | |
75 | DEVMETHOD(device_detach, mps_pci_detach), | |
76 | DEVMETHOD(device_suspend, mps_pci_suspend), | |
77 | DEVMETHOD(device_resume, mps_pci_resume), | |
c12c399a | 78 | |
d3c9c58e | 79 | DEVMETHOD_END |
ad8cf91c SW |
80 | }; |
81 | ||
82 | static driver_t mps_pci_driver = { | |
83 | "mps", | |
84 | mps_methods, | |
85 | sizeof(struct mps_softc) | |
86 | }; | |
87 | ||
88 | static devclass_t mps_devclass; | |
dfc199f7 | 89 | DRIVER_MODULE(mps, pci, mps_pci_driver, mps_devclass, NULL, NULL); |
259d5c76 | 90 | MODULE_VERSION(mps, 1); |
ad8cf91c SW |
91 | |
92 | struct mps_ident { | |
93 | uint16_t vendor; | |
94 | uint16_t device; | |
95 | uint16_t subvendor; | |
96 | uint16_t subdevice; | |
97 | u_int flags; | |
98 | const char *desc; | |
99 | } mps_identifiers[] = { | |
100 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004, | |
101 | 0xffff, 0xffff, 0, "LSI SAS2004" }, | |
102 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008, | |
103 | 0xffff, 0xffff, 0, "LSI SAS2008" }, | |
104 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1, | |
105 | 0xffff, 0xffff, 0, "LSI SAS2108" }, | |
106 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2, | |
107 | 0xffff, 0xffff, 0, "LSI SAS2108" }, | |
108 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3, | |
109 | 0xffff, 0xffff, 0, "LSI SAS2108" }, | |
110 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1, | |
111 | 0xffff, 0xffff, 0, "LSI SAS2116" }, | |
112 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2, | |
113 | 0xffff, 0xffff, 0, "LSI SAS2116" }, | |
114 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1, | |
115 | 0xffff, 0xffff, 0, "LSI SAS2208" }, | |
116 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2, | |
117 | 0xffff, 0xffff, 0, "LSI SAS2208" }, | |
118 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3, | |
119 | 0xffff, 0xffff, 0, "LSI SAS2208" }, | |
120 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4, | |
121 | 0xffff, 0xffff, 0, "LSI SAS2208" }, | |
122 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5, | |
123 | 0xffff, 0xffff, 0, "LSI SAS2208" }, | |
124 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6, | |
125 | 0xffff, 0xffff, 0, "LSI SAS2208" }, | |
c12c399a SW |
126 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1, |
127 | 0xffff, 0xffff, 0, "LSI SAS2308" }, | |
128 | // Add Customer specific vender/subdevice id before generic | |
129 | // (0xffff) vender/subdevice id. | |
130 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2, | |
131 | 0x8086, 0x3516, 0, "Intel(R) Integrated RAID Module RMS25JB080" }, | |
132 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2, | |
133 | 0x8086, 0x3517, 0, "Intel(R) Integrated RAID Module RMS25JB040" }, | |
134 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2, | |
135 | 0x8086, 0x3518, 0, "Intel(R) Integrated RAID Module RMS25KB080" }, | |
136 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2, | |
137 | 0x8086, 0x3519, 0, "Intel(R) Integrated RAID Module RMS25KB040" }, | |
138 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2, | |
139 | 0xffff, 0xffff, 0, "LSI SAS2308" }, | |
140 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3, | |
141 | 0xffff, 0xffff, 0, "LSI SAS2308" }, | |
142 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200, | |
143 | 0xffff, 0xffff, MPS_FLAGS_WD_AVAILABLE, "LSI SSS6200" }, | |
ad8cf91c SW |
144 | { 0, 0, 0, 0, 0, NULL } |
145 | }; | |
146 | ||
147 | static struct mps_ident * | |
148 | mps_find_ident(device_t dev) | |
149 | { | |
150 | struct mps_ident *m; | |
151 | ||
152 | for (m = mps_identifiers; m->vendor != 0; m++) { | |
153 | if (m->vendor != pci_get_vendor(dev)) | |
154 | continue; | |
155 | if (m->device != pci_get_device(dev)) | |
156 | continue; | |
157 | if ((m->subvendor != 0xffff) && | |
158 | (m->subvendor != pci_get_subvendor(dev))) | |
159 | continue; | |
160 | if ((m->subdevice != 0xffff) && | |
161 | (m->subdevice != pci_get_subdevice(dev))) | |
162 | continue; | |
163 | return (m); | |
164 | } | |
165 | ||
166 | return (NULL); | |
167 | } | |
168 | ||
169 | static int | |
170 | mps_pci_probe(device_t dev) | |
171 | { | |
172 | struct mps_ident *id; | |
173 | ||
174 | if ((id = mps_find_ident(dev)) != NULL) { | |
175 | device_set_desc(dev, id->desc); | |
43f7c553 | 176 | return (BUS_PROBE_DEFAULT); |
ad8cf91c SW |
177 | } |
178 | return (ENXIO); | |
179 | } | |
180 | ||
181 | static int | |
182 | mps_pci_attach(device_t dev) | |
183 | { | |
184 | struct mps_softc *sc; | |
185 | struct mps_ident *m; | |
186 | uint16_t command; | |
187 | int error; | |
188 | ||
189 | sc = device_get_softc(dev); | |
190 | bzero(sc, sizeof(*sc)); | |
191 | sc->mps_dev = dev; | |
192 | m = mps_find_ident(dev); | |
193 | sc->mps_flags = m->flags; | |
194 | ||
195 | /* Twiddle basic PCI config bits for a sanity check */ | |
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, "Cannot 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 the System Interface Register Set */ | |
210 | sc->mps_regs_rid = PCIR_BAR(1); | |
211 | if ((sc->mps_regs_resource = bus_alloc_resource_any(dev, | |
212 | SYS_RES_MEMORY, &sc->mps_regs_rid, RF_ACTIVE)) == NULL) { | |
213 | device_printf(dev, "Cannot allocate PCI registers\n"); | |
214 | return (ENXIO); | |
215 | } | |
216 | sc->mps_btag = rman_get_bustag(sc->mps_regs_resource); | |
217 | sc->mps_bhandle = rman_get_bushandle(sc->mps_regs_resource); | |
218 | ||
219 | /* Allocate the parent DMA tag */ | |
c12c399a | 220 | if (bus_dma_tag_create(NULL, /* parent */ |
ad8cf91c SW |
221 | 1, 0, /* algnmnt, boundary */ |
222 | BUS_SPACE_MAXADDR, /* lowaddr */ | |
223 | BUS_SPACE_MAXADDR, /* highaddr */ | |
ad8cf91c SW |
224 | BUS_SPACE_MAXSIZE_32BIT,/* maxsize */ |
225 | BUS_SPACE_UNRESTRICTED, /* nsegments */ | |
226 | BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ | |
227 | 0, /* flags */ | |
228 | &sc->mps_parent_dmat)) { | |
229 | device_printf(dev, "Cannot allocate parent DMA tag\n"); | |
230 | mps_pci_free(sc); | |
231 | return (ENOMEM); | |
232 | } | |
233 | ||
234 | if ((error = mps_attach(sc)) != 0) | |
235 | mps_pci_free(sc); | |
236 | ||
237 | return (error); | |
238 | } | |
239 | ||
240 | int | |
241 | mps_pci_setup_interrupts(struct mps_softc *sc) | |
242 | { | |
243 | device_t dev; | |
c12c399a SW |
244 | int error; |
245 | u_int irq_flags; | |
ad8cf91c SW |
246 | |
247 | dev = sc->mps_dev; | |
c12c399a SW |
248 | #if 0 /* XXX swildner */ |
249 | if ((sc->disable_msix == 0) && | |
ad8cf91c SW |
250 | ((msgs = pci_msix_count(dev)) >= MPS_MSI_COUNT)) |
251 | error = mps_alloc_msix(sc, MPS_MSI_COUNT); | |
9dc47ee5 | 252 | #endif |
ad8cf91c | 253 | |
c12c399a SW |
254 | sc->mps_irq_rid[0] = 0; |
255 | sc->mps_irq_type[0] = pci_alloc_1intr(dev, sc->enable_msi, | |
256 | &sc->mps_irq_rid[0], &irq_flags); | |
257 | sc->mps_irq[0] = bus_alloc_resource_any(dev, SYS_RES_IRQ, | |
258 | &sc->mps_irq_rid[0], irq_flags); | |
259 | if (sc->mps_irq[0] == NULL) { | |
260 | device_printf(dev, "Cannot allocate interrupt\n"); | |
261 | return (ENXIO); | |
ad8cf91c | 262 | } |
c12c399a SW |
263 | error = bus_setup_intr(dev, sc->mps_irq[0], INTR_MPSAFE, mps_intr, sc, |
264 | &sc->mps_intrhand[0], NULL); | |
265 | if (error) | |
266 | device_printf(dev, "Cannot setup interrupt\n"); | |
ad8cf91c SW |
267 | |
268 | return (error); | |
269 | } | |
270 | ||
271 | static int | |
272 | mps_pci_detach(device_t dev) | |
273 | { | |
274 | struct mps_softc *sc; | |
275 | int error; | |
276 | ||
277 | sc = device_get_softc(dev); | |
278 | ||
279 | if ((error = mps_free(sc)) != 0) | |
280 | return (error); | |
281 | ||
282 | mps_pci_free(sc); | |
283 | return (0); | |
284 | } | |
285 | ||
286 | static void | |
287 | mps_pci_free(struct mps_softc *sc) | |
288 | { | |
ad8cf91c SW |
289 | if (sc->mps_parent_dmat != NULL) { |
290 | bus_dma_tag_destroy(sc->mps_parent_dmat); | |
291 | } | |
292 | ||
c12c399a SW |
293 | bus_teardown_intr(sc->mps_dev, sc->mps_irq[0], sc->mps_intrhand[0]); |
294 | bus_release_resource(sc->mps_dev, SYS_RES_IRQ, sc->mps_irq_rid[0], | |
295 | sc->mps_irq[0]); | |
296 | if (sc->mps_irq_type[0] == PCI_INTR_TYPE_MSI) | |
ad8cf91c | 297 | pci_release_msi(sc->mps_dev); |
ad8cf91c SW |
298 | |
299 | if (sc->mps_regs_resource != NULL) { | |
300 | bus_release_resource(sc->mps_dev, SYS_RES_MEMORY, | |
301 | sc->mps_regs_rid, sc->mps_regs_resource); | |
302 | } | |
303 | ||
304 | return; | |
305 | } | |
306 | ||
307 | static int | |
308 | mps_pci_suspend(device_t dev) | |
309 | { | |
310 | return (EINVAL); | |
311 | } | |
312 | ||
313 | static int | |
314 | mps_pci_resume(device_t dev) | |
315 | { | |
316 | return (EINVAL); | |
317 | } | |
318 | ||
c12c399a | 319 | #if 0 /* XXX swildner */ |
ad8cf91c SW |
320 | static int |
321 | mps_alloc_msix(struct mps_softc *sc, int msgs) | |
322 | { | |
323 | int error; | |
324 | ||
325 | error = pci_alloc_msix(sc->mps_dev, &msgs); | |
326 | return (error); | |
327 | } | |
c12c399a | 328 | #endif |
ad8cf91c | 329 | |
c12c399a SW |
330 | int |
331 | mps_pci_restore(struct mps_softc *sc) | |
ad8cf91c | 332 | { |
c12c399a | 333 | struct pci_devinfo *dinfo; |
ad8cf91c | 334 | |
c12c399a SW |
335 | mps_dprint(sc, MPS_TRACE, "%s\n", __func__); |
336 | ||
337 | dinfo = device_get_ivars(sc->mps_dev); | |
338 | if (dinfo == NULL) { | |
339 | mps_dprint(sc, MPS_FAULT, "%s: NULL dinfo\n", __func__); | |
340 | return (EINVAL); | |
341 | } | |
342 | ||
343 | pci_cfg_restore(sc->mps_dev, dinfo); | |
344 | return (0); | |
ad8cf91c | 345 | } |