Current Path : /usr/src/sys/dev/if_ndis/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //usr/src/sys/dev/if_ndis/if_ndis_pci.c |
/*- * Copyright (c) 2003 * Bill Paul <wpaul@windriver.com>. 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Bill Paul. * 4. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD * 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. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/dev/if_ndis/if_ndis_pci.c 233024 2012-03-16 08:46:58Z scottl $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/module.h> #include <sys/socket.h> #include <sys/queue.h> #include <sys/sysctl.h> #include <net/if.h> #include <net/if_arp.h> #include <net/if_media.h> #include <machine/bus.h> #include <machine/resource.h> #include <sys/bus.h> #include <sys/rman.h> #include <net80211/ieee80211_var.h> #include <dev/pci/pcireg.h> #include <dev/pci/pcivar.h> #include <dev/usb/usb.h> #include <dev/usb/usbdi.h> #include <compat/ndis/pe_var.h> #include <compat/ndis/cfg_var.h> #include <compat/ndis/resource_var.h> #include <compat/ndis/ntoskrnl_var.h> #include <compat/ndis/ndis_var.h> #include <dev/if_ndis/if_ndisvar.h> MODULE_DEPEND(ndis, pci, 1, 1, 1); static int ndis_probe_pci (device_t); static int ndis_attach_pci (device_t); static struct resource_list *ndis_get_resource_list (device_t, device_t); static int ndis_devcompare (interface_type, struct ndis_pci_type *, device_t); extern int ndisdrv_modevent (module_t, int, void *); extern int ndis_attach (device_t); extern int ndis_shutdown (device_t); extern int ndis_detach (device_t); extern int ndis_suspend (device_t); extern int ndis_resume (device_t); static device_method_t ndis_methods[] = { /* Device interface */ DEVMETHOD(device_probe, ndis_probe_pci), DEVMETHOD(device_attach, ndis_attach_pci), DEVMETHOD(device_detach, ndis_detach), DEVMETHOD(device_shutdown, ndis_shutdown), DEVMETHOD(device_suspend, ndis_suspend), DEVMETHOD(device_resume, ndis_resume), /* Bus interface */ DEVMETHOD(bus_get_resource_list, ndis_get_resource_list), { 0, 0 } }; static driver_t ndis_driver = { "ndis", ndis_methods, sizeof(struct ndis_softc) }; static devclass_t ndis_devclass; DRIVER_MODULE(ndis, pci, ndis_driver, ndis_devclass, ndisdrv_modevent, 0); static int ndis_devcompare(bustype, t, dev) interface_type bustype; struct ndis_pci_type *t; device_t dev; { uint16_t vid, did; uint32_t subsys; if (bustype != PCIBus) return(FALSE); vid = pci_get_vendor(dev); did = pci_get_device(dev); subsys = pci_get_subdevice(dev); subsys = (subsys << 16) | pci_get_subvendor(dev); while(t->ndis_name != NULL) { if ((t->ndis_vid == vid) && (t->ndis_did == did) && (t->ndis_subsys == subsys || t->ndis_subsys == 0)) { device_set_desc(dev, t->ndis_name); return(TRUE); } t++; } return(FALSE); } /* * Probe for an NDIS device. Check the PCI vendor and device * IDs against our list and return a device name if we find a match. */ static int ndis_probe_pci(dev) device_t dev; { driver_object *drv; struct drvdb_ent *db; drv = windrv_lookup(0, "PCI Bus"); if (drv == NULL) return(ENXIO); db = windrv_match((matchfuncptr)ndis_devcompare, dev); if (db != NULL) { /* Create PDO for this device instance */ windrv_create_pdo(drv, dev); return(0); } return(ENXIO); } /* * Attach the interface. Allocate softc structures, do ifmedia * setup and ethernet/BPF attach. */ static int ndis_attach_pci(dev) device_t dev; { struct ndis_softc *sc; int unit, error = 0, rid; struct ndis_pci_type *t; int devidx = 0, defidx = 0; struct resource_list *rl; struct resource_list_entry *rle; struct drvdb_ent *db; uint16_t vid, did; uint32_t subsys; sc = device_get_softc(dev); unit = device_get_unit(dev); sc->ndis_dev = dev; db = windrv_match((matchfuncptr)ndis_devcompare, dev); if (db == NULL) return (ENXIO); sc->ndis_dobj = db->windrv_object; sc->ndis_regvals = db->windrv_regvals; /* * Map control/status registers. */ pci_enable_busmaster(dev); rl = BUS_GET_RESOURCE_LIST(device_get_parent(dev), dev); if (rl != NULL) { STAILQ_FOREACH(rle, rl, link) { switch (rle->type) { case SYS_RES_IOPORT: sc->ndis_io_rid = rle->rid; sc->ndis_res_io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &sc->ndis_io_rid, RF_ACTIVE); if (sc->ndis_res_io == NULL) { device_printf(dev, "couldn't map iospace\n"); error = ENXIO; goto fail; } break; case SYS_RES_MEMORY: if (sc->ndis_res_altmem != NULL && sc->ndis_res_mem != NULL) { device_printf(dev, "too many memory resources\n"); error = ENXIO; goto fail; } if (sc->ndis_res_mem) { sc->ndis_altmem_rid = rle->rid; sc->ndis_res_altmem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->ndis_altmem_rid, RF_ACTIVE); if (sc->ndis_res_altmem == NULL) { device_printf(dev, "couldn't map alt " "memory\n"); error = ENXIO; goto fail; } } else { sc->ndis_mem_rid = rle->rid; sc->ndis_res_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->ndis_mem_rid, RF_ACTIVE); if (sc->ndis_res_mem == NULL) { device_printf(dev, "couldn't map memory\n"); error = ENXIO; goto fail; } } break; case SYS_RES_IRQ: rid = rle->rid; sc->ndis_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE); if (sc->ndis_irq == NULL) { device_printf(dev, "couldn't map interrupt\n"); error = ENXIO; goto fail; } break; default: break; } sc->ndis_rescnt++; } } /* * If the BIOS did not set up an interrupt for this device, * the resource traversal code above will fail to set up * an IRQ resource. This is usually a bad thing, so try to * force the allocation of an interrupt here. If one was * not assigned to us by the BIOS, bus_alloc_resource() * should route one for us. */ if (sc->ndis_irq == NULL) { rid = 0; sc->ndis_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_SHAREABLE | RF_ACTIVE); if (sc->ndis_irq == NULL) { device_printf(dev, "couldn't route interrupt\n"); error = ENXIO; goto fail; } sc->ndis_rescnt++; } /* * Allocate the parent bus DMA tag appropriate for PCI. */ #define NDIS_NSEG_NEW 32 error = bus_dma_tag_create(bus_get_dma_tag(dev),/* PCI parent */ 1, 0, /* alignment, boundary */ BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ BUS_SPACE_MAXADDR, /* highaddr */ NULL, NULL, /* filter, filterarg */ MAXBSIZE, NDIS_NSEG_NEW,/* maxsize, nsegments */ BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ BUS_DMA_ALLOCNOW, /* flags */ NULL, NULL, /* lockfunc, lockarg */ &sc->ndis_parent_tag); if (error) goto fail; sc->ndis_iftype = PCIBus; /* Figure out exactly which device we matched. */ vid = pci_get_vendor(dev); did = pci_get_device(dev); subsys = pci_get_subdevice(dev); subsys = (subsys << 16) | pci_get_subvendor(dev); t = db->windrv_devlist; while(t->ndis_name != NULL) { if (t->ndis_vid == vid && t->ndis_did == did) { if (t->ndis_subsys == 0) defidx = devidx; else if (t->ndis_subsys == subsys) break; } t++; devidx++; } if (t->ndis_name == NULL) sc->ndis_devidx = defidx; else sc->ndis_devidx = devidx; error = ndis_attach(dev); fail: return(error); } static struct resource_list * ndis_get_resource_list(dev, child) device_t dev; device_t child; { struct ndis_softc *sc; sc = device_get_softc(dev); return (BUS_GET_RESOURCE_LIST(device_get_parent(sc->ndis_dev), dev)); }