2 * Copyright (c) 2009 Yahoo! Inc.
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
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23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 /* PCI/PCI-X/PCIe bus interface for the Avago Tech (LSI) MPT3 controllers */
32 /* TODO Move headers to mprvar */
33 #include <sys/types.h>
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/module.h>
40 #include <sys/malloc.h>
41 #include <sys/sysctl.h>
44 #include <machine/bus.h>
45 #include <machine/resource.h>
48 #include <dev/pci/pcireg.h>
49 #include <dev/pci/pcivar.h>
50 #include <dev/pci/pci_private.h>
52 #include <dev/mpr/mpi/mpi2_type.h>
53 #include <dev/mpr/mpi/mpi2.h>
54 #include <dev/mpr/mpi/mpi2_ioc.h>
55 #include <dev/mpr/mpi/mpi2_cnfg.h>
56 #include <dev/mpr/mpi/mpi2_tool.h>
57 #include <dev/mpr/mpi/mpi2_pci.h>
59 #include <sys/queue.h>
60 #include <sys/kthread.h>
61 #include <dev/mpr/mpr_ioctl.h>
62 #include <dev/mpr/mprvar.h>
64 static int mpr_pci_probe(device_t);
65 static int mpr_pci_attach(device_t);
66 static int mpr_pci_detach(device_t);
67 static int mpr_pci_suspend(device_t);
68 static int mpr_pci_resume(device_t);
69 static void mpr_pci_free(struct mpr_softc *);
70 static int mpr_alloc_msix(struct mpr_softc *sc, int msgs);
71 static int mpr_alloc_msi(struct mpr_softc *sc, int msgs);
73 static device_method_t mpr_methods[] = {
74 DEVMETHOD(device_probe, mpr_pci_probe),
75 DEVMETHOD(device_attach, mpr_pci_attach),
76 DEVMETHOD(device_detach, mpr_pci_detach),
77 DEVMETHOD(device_suspend, mpr_pci_suspend),
78 DEVMETHOD(device_resume, mpr_pci_resume),
79 DEVMETHOD(bus_print_child, bus_generic_print_child),
80 DEVMETHOD(bus_driver_added, bus_generic_driver_added),
84 static driver_t mpr_pci_driver = {
87 sizeof(struct mpr_softc)
90 static devclass_t mpr_devclass;
91 DRIVER_MODULE(mpr, pci, mpr_pci_driver, mpr_devclass, 0, 0);
92 MODULE_DEPEND(mpr, cam, 1, 1, 1);
101 } mpr_identifiers[] = {
102 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3004,
103 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3004" },
104 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3008,
105 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3008" },
106 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_1,
107 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3108_1" },
108 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_2,
109 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3108_2" },
110 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_5,
111 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3108_5" },
112 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_6,
113 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3108_6" },
114 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3216,
115 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3216" },
116 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3224,
117 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3224" },
118 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_1,
119 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3316_1" },
120 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_2,
121 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3316_2" },
122 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_1,
123 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3324_1" },
124 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_2,
125 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3324_2" },
126 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3408,
127 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3408" },
128 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3416,
129 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3416" },
130 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3508,
131 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3508" },
132 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3508_1,
133 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3508_1" },
134 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3516,
135 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3516" },
136 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3516_1,
137 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3516_1" },
138 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3616,
139 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3616" },
140 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3708,
141 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3708" },
142 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3716,
143 0xffff, 0xffff, 0, "Avago Technologies (LSI) SAS3716" },
144 { 0, 0, 0, 0, 0, NULL }
147 static struct mpr_ident *
148 mpr_find_ident(device_t dev)
152 for (m = mpr_identifiers; m->vendor != 0; m++) {
153 if (m->vendor != pci_get_vendor(dev))
155 if (m->device != pci_get_device(dev))
157 if ((m->subvendor != 0xffff) &&
158 (m->subvendor != pci_get_subvendor(dev)))
160 if ((m->subdevice != 0xffff) &&
161 (m->subdevice != pci_get_subdevice(dev)))
170 mpr_pci_probe(device_t dev)
172 struct mpr_ident *id;
174 if ((id = mpr_find_ident(dev)) != NULL) {
175 device_set_desc(dev, id->desc);
176 return (BUS_PROBE_DEFAULT);
182 mpr_pci_attach(device_t dev)
184 struct mpr_softc *sc;
188 sc = device_get_softc(dev);
189 bzero(sc, sizeof(*sc));
191 m = mpr_find_ident(dev);
192 sc->mpr_flags = m->flags;
194 /* Twiddle basic PCI config bits for a sanity check */
195 pci_enable_busmaster(dev);
197 /* Set flag if this is a Gen3.5 IOC */
198 if ((m->device == MPI26_MFGPAGE_DEVID_SAS3508) ||
199 (m->device == MPI26_MFGPAGE_DEVID_SAS3508_1) ||
200 (m->device == MPI26_MFGPAGE_DEVID_SAS3408) ||
201 (m->device == MPI26_MFGPAGE_DEVID_SAS3516) ||
202 (m->device == MPI26_MFGPAGE_DEVID_SAS3516_1) ||
203 (m->device == MPI26_MFGPAGE_DEVID_SAS3416) ||
204 (m->device == MPI26_MFGPAGE_DEVID_SAS3716) ||
205 (m->device == MPI26_MFGPAGE_DEVID_SAS3616) ||
206 (m->device == MPI26_MFGPAGE_DEVID_SAS3708)) {
207 sc->mpr_flags |= MPR_FLAGS_GEN35_IOC;
210 for (i = 0; i < PCI_MAXMAPS_0; i++) {
211 sc->mpr_regs_rid = PCIR_BAR(i);
213 if ((sc->mpr_regs_resource = bus_alloc_resource_any(dev,
214 SYS_RES_MEMORY, &sc->mpr_regs_rid, RF_ACTIVE)) != NULL)
218 if (sc->mpr_regs_resource == NULL) {
219 mpr_printf(sc, "Cannot allocate PCI registers\n");
223 sc->mpr_btag = rman_get_bustag(sc->mpr_regs_resource);
224 sc->mpr_bhandle = rman_get_bushandle(sc->mpr_regs_resource);
226 /* Allocate the parent DMA tag */
227 if (bus_dma_tag_create( bus_get_dma_tag(dev), /* parent */
228 1, 0, /* algnmnt, boundary */
229 BUS_SPACE_MAXADDR, /* lowaddr */
230 BUS_SPACE_MAXADDR, /* highaddr */
231 NULL, NULL, /* filter, filterarg */
232 BUS_SPACE_MAXSIZE_32BIT,/* maxsize */
233 BUS_SPACE_UNRESTRICTED, /* nsegments */
234 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
236 NULL, NULL, /* lockfunc, lockarg */
237 &sc->mpr_parent_dmat)) {
238 mpr_printf(sc, "Cannot allocate parent DMA tag\n");
243 if ((error = mpr_attach(sc)) != 0)
250 mpr_pci_setup_interrupts(struct mpr_softc *sc)
257 if ((sc->disable_msix == 0) &&
258 ((msgs = pci_msix_count(dev)) >= MPR_MSI_COUNT))
259 error = mpr_alloc_msix(sc, MPR_MSI_COUNT);
260 if ((error != 0) && (sc->disable_msi == 0) &&
261 ((msgs = pci_msi_count(dev)) >= MPR_MSI_COUNT))
262 error = mpr_alloc_msi(sc, MPR_MSI_COUNT);
265 sc->mpr_flags |= MPR_FLAGS_INTX;
266 sc->mpr_irq_rid[0] = 0;
267 sc->mpr_irq[0] = bus_alloc_resource_any(dev, SYS_RES_IRQ,
268 &sc->mpr_irq_rid[0], RF_SHAREABLE | RF_ACTIVE);
269 if (sc->mpr_irq[0] == NULL) {
270 mpr_printf(sc, "Cannot allocate INTx interrupt\n");
273 error = bus_setup_intr(dev, sc->mpr_irq[0],
274 INTR_TYPE_BIO | INTR_MPSAFE, NULL, mpr_intr, sc,
275 &sc->mpr_intrhand[0]);
277 mpr_printf(sc, "Cannot setup INTx interrupt\n");
279 sc->mpr_flags |= MPR_FLAGS_MSI;
280 for (i = 0; i < MPR_MSI_COUNT; i++) {
281 sc->mpr_irq_rid[i] = i + 1;
282 sc->mpr_irq[i] = bus_alloc_resource_any(dev,
283 SYS_RES_IRQ, &sc->mpr_irq_rid[i], RF_ACTIVE);
284 if (sc->mpr_irq[i] == NULL) {
286 "Cannot allocate MSI interrupt\n");
289 error = bus_setup_intr(dev, sc->mpr_irq[i],
290 INTR_TYPE_BIO | INTR_MPSAFE, NULL, mpr_intr_msi,
291 sc, &sc->mpr_intrhand[i]);
294 "Cannot setup MSI interrupt %d\n", i);
304 mpr_pci_detach(device_t dev)
306 struct mpr_softc *sc;
309 sc = device_get_softc(dev);
311 if ((error = mpr_free(sc)) != 0)
319 mpr_pci_free(struct mpr_softc *sc)
323 if (sc->mpr_parent_dmat != NULL) {
324 bus_dma_tag_destroy(sc->mpr_parent_dmat);
327 if (sc->mpr_flags & MPR_FLAGS_MSI) {
328 for (i = 0; i < MPR_MSI_COUNT; i++) {
329 if (sc->mpr_irq[i] != NULL) {
330 bus_teardown_intr(sc->mpr_dev, sc->mpr_irq[i],
331 sc->mpr_intrhand[i]);
332 bus_release_resource(sc->mpr_dev, SYS_RES_IRQ,
333 sc->mpr_irq_rid[i], sc->mpr_irq[i]);
336 pci_release_msi(sc->mpr_dev);
339 if (sc->mpr_flags & MPR_FLAGS_INTX) {
340 bus_teardown_intr(sc->mpr_dev, sc->mpr_irq[0],
341 sc->mpr_intrhand[0]);
342 bus_release_resource(sc->mpr_dev, SYS_RES_IRQ,
343 sc->mpr_irq_rid[0], sc->mpr_irq[0]);
346 if (sc->mpr_regs_resource != NULL) {
347 bus_release_resource(sc->mpr_dev, SYS_RES_MEMORY,
348 sc->mpr_regs_rid, sc->mpr_regs_resource);
355 mpr_pci_suspend(device_t dev)
361 mpr_pci_resume(device_t dev)
367 mpr_alloc_msix(struct mpr_softc *sc, int msgs)
371 error = pci_alloc_msix(sc->mpr_dev, &msgs);
376 mpr_alloc_msi(struct mpr_softc *sc, int msgs)
380 error = pci_alloc_msi(sc->mpr_dev, &msgs);
385 mpr_pci_restore(struct mpr_softc *sc)
387 struct pci_devinfo *dinfo;
389 mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
391 dinfo = device_get_ivars(sc->mpr_dev);
393 mpr_dprint(sc, MPR_FAULT, "%s: NULL dinfo\n", __func__);
397 pci_cfg_restore(sc->mpr_dev, dinfo);