/*- * Copyright (c) 2006 IronPort Systems * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /*- * Copyright (c) 2007 LSI Corp. * Copyright (c) 2007 Rajesh Prabhakaran. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: src/sys/dev/mfi/mfi_pci.c,v 1.16 2010/03/02 17:34:11 kib Exp $ */ /* PCI/PCI-X/PCIe bus interface for the LSI MegaSAS controllers */ #include "opt_mfi.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static int mfi_pci_probe(device_t); static int mfi_pci_attach(device_t); static int mfi_pci_detach(device_t); static int mfi_pci_suspend(device_t); static int mfi_pci_resume(device_t); static void mfi_pci_free(struct mfi_softc *); static device_method_t mfi_methods[] = { DEVMETHOD(device_probe, mfi_pci_probe), DEVMETHOD(device_attach, mfi_pci_attach), DEVMETHOD(device_detach, mfi_pci_detach), DEVMETHOD(device_suspend, mfi_pci_suspend), DEVMETHOD(device_resume, mfi_pci_resume), DEVMETHOD(bus_print_child, bus_generic_print_child), DEVMETHOD(bus_driver_added, bus_generic_driver_added), { 0, 0 } }; static driver_t mfi_pci_driver = { "mfi", mfi_methods, sizeof(struct mfi_softc) }; static devclass_t mfi_devclass; DRIVER_MODULE(mfi, pci, mfi_pci_driver, mfi_devclass, 0, 0); MODULE_VERSION(mfi, 1); struct mfi_ident { uint16_t vendor; uint16_t device; uint16_t subvendor; uint16_t subdevice; int flags; const char *desc; } mfi_identifiers[] = { {0x1000, 0x0060, 0x1028, 0xffff, MFI_FLAGS_1078, "Dell PERC 6"}, {0x1000, 0x0060, 0xffff, 0xffff, MFI_FLAGS_1078, "LSI MegaSAS 1078"}, {0x1000, 0x0078, 0xffff, 0xffff, MFI_FLAGS_GEN2, "LSI MegaSAS Gen2"}, {0x1000, 0x0079, 0x1028, 0x1f15, MFI_FLAGS_GEN2, "Dell PERC H800 Adapter"}, {0x1000, 0x0079, 0x1028, 0x1f16, MFI_FLAGS_GEN2, "Dell PERC H700 Adapter"}, {0x1000, 0x0079, 0x1028, 0x1f17, MFI_FLAGS_GEN2, "Dell PERC H700 Integrated"}, {0x1000, 0x0079, 0x1028, 0x1f18, MFI_FLAGS_GEN2, "Dell PERC H700 Modular"}, {0x1000, 0x0079, 0x1028, 0x1f19, MFI_FLAGS_GEN2, "Dell PERC H700"}, {0x1000, 0x0079, 0x1028, 0x1f1b, MFI_FLAGS_GEN2, "Dell PERC H800"}, {0x1000, 0x0079, 0x1028, 0xffff, MFI_FLAGS_GEN2, "Dell PERC Gen2"}, {0x1000, 0x0079, 0xffff, 0xffff, MFI_FLAGS_GEN2, "LSI MegaSAS Gen2"}, {0x1000, 0x007c, 0xffff, 0xffff, MFI_FLAGS_1078, "LSI MegaSAS 1078"}, {0x1000, 0x0411, 0xffff, 0xffff, MFI_FLAGS_1064R, "LSI MegaSAS 1064R"}, /* Brocton IOP */ {0x1000, 0x0413, 0xffff, 0xffff, MFI_FLAGS_1064R, "LSI MegaSAS 1064R"}, /* Verde ZCR */ {0x1028, 0x0015, 0xffff, 0xffff, MFI_FLAGS_1064R, "Dell PERC 5/i"}, {0, 0, 0, 0, 0, NULL} }; static struct mfi_ident * mfi_find_ident(device_t dev) { struct mfi_ident *m; for (m = mfi_identifiers; m->vendor != 0; m++) { if ((m->vendor == pci_get_vendor(dev)) && (m->device == pci_get_device(dev)) && ((m->subvendor == pci_get_subvendor(dev)) || (m->subvendor == 0xffff)) && ((m->subdevice == pci_get_subdevice(dev)) || (m->subdevice == 0xffff))) return (m); } return (NULL); } static int mfi_pci_probe(device_t dev) { struct mfi_ident *id; if ((id = mfi_find_ident(dev)) != NULL) { device_set_desc(dev, id->desc); return (BUS_PROBE_DEFAULT); } return (ENXIO); } static int mfi_pci_attach(device_t dev) { struct mfi_softc *sc; struct mfi_ident *m; uint32_t command; int error; sc = device_get_softc(dev); bzero(sc, sizeof(*sc)); sc->mfi_dev = dev; m = mfi_find_ident(dev); sc->mfi_flags = m->flags; /* Verify that the adapter can be set up in PCI space */ command = pci_read_config(dev, PCIR_COMMAND, 2); command |= PCIM_CMD_BUSMASTEREN; pci_write_config(dev, PCIR_COMMAND, command, 2); command = pci_read_config(dev, PCIR_COMMAND, 2); if ((command & PCIM_CMD_BUSMASTEREN) == 0) { device_printf(dev, "Can't enable PCI busmaster\n"); return (ENXIO); } if ((command & PCIM_CMD_MEMEN) == 0) { device_printf(dev, "PCI memory window not available\n"); return (ENXIO); } /* Allocate PCI registers */ if ((sc->mfi_flags & MFI_FLAGS_1064R) || (sc->mfi_flags & MFI_FLAGS_1078)) { /* 1068/1078: Memory mapped BAR is at offset 0x10 */ sc->mfi_regs_rid = PCIR_BAR(0); } else if (sc->mfi_flags & MFI_FLAGS_GEN2) { /* GEN2: Memory mapped BAR is at offset 0x14 */ sc->mfi_regs_rid = PCIR_BAR(1); } if ((sc->mfi_regs_resource = bus_alloc_resource_any(sc->mfi_dev, SYS_RES_MEMORY, &sc->mfi_regs_rid, RF_ACTIVE)) == NULL) { device_printf(dev, "Cannot allocate PCI registers\n"); return (ENXIO); } sc->mfi_btag = rman_get_bustag(sc->mfi_regs_resource); sc->mfi_bhandle = rman_get_bushandle(sc->mfi_regs_resource); error = ENOMEM; /* Allocate parent DMA tag */ if (bus_dma_tag_create( NULL, /* parent */ 1, 0, /* algnmnt, boundary */ BUS_SPACE_MAXADDR, /* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ BUS_SPACE_MAXSIZE_32BIT,/* maxsize */ BUS_SPACE_UNRESTRICTED, /* nsegments */ BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ 0, /* flags */ &sc->mfi_parent_dmat)) { device_printf(dev, "Cannot allocate parent DMA tag\n"); goto out; } error = mfi_attach(sc); out: if (error) { mfi_free(sc); mfi_pci_free(sc); } return (error); } static int mfi_pci_detach(device_t dev) { struct mfi_softc *sc; struct mfi_disk *ld; int error; sc = device_get_softc(dev); lockmgr(&sc->mfi_config_lock, LK_EXCLUSIVE); lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE); if ((sc->mfi_flags & MFI_FLAGS_OPEN) != 0) { lockmgr(&sc->mfi_io_lock, LK_RELEASE); lockmgr(&sc->mfi_config_lock, LK_RELEASE); return (EBUSY); } sc->mfi_detaching = 1; lockmgr(&sc->mfi_io_lock, LK_RELEASE); while ((ld = TAILQ_FIRST(&sc->mfi_ld_tqh)) != NULL) { if ((error = device_delete_child(dev, ld->ld_dev)) != 0) { sc->mfi_detaching = 0; lockmgr(&sc->mfi_config_lock, LK_RELEASE); return (error); } } lockmgr(&sc->mfi_config_lock, LK_RELEASE); EVENTHANDLER_DEREGISTER(shutdown_final, sc->mfi_eh); mfi_shutdown(sc); mfi_free(sc); mfi_pci_free(sc); return (0); } static void mfi_pci_free(struct mfi_softc *sc) { if (sc->mfi_regs_resource != NULL) { bus_release_resource(sc->mfi_dev, SYS_RES_MEMORY, sc->mfi_regs_rid, sc->mfi_regs_resource); } return; } static int mfi_pci_suspend(device_t dev) { return (EINVAL); } static int mfi_pci_resume(device_t dev) { return (EINVAL); }