262 lines
6.8 KiB
C
262 lines
6.8 KiB
C
/*
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* Copyright (c) 1995, David Greenman
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/socket.h>
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#include <sys/kernel.h>
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#include <sys/conf.h>
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#include <sys/uio.h>
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#include <sys/select.h>
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#include <machine/clock.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <net/if_mib.h>
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#include <dev/ed/if_edreg.h>
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#include <dev/ed/if_edvar.h>
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#include <dev/pccard/pccardvar.h>
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#include <pccard/cardinfo.h>
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#include <pccard/slot.h>
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#define CARD_MAJOR 50
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/*
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* PC-Card (PCMCIA) specific code.
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*/
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static int ed_pccard_probe(device_t);
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static int ed_pccard_attach(device_t);
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static int ed_pccard_detach(device_t);
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static void ax88190_geteprom(device_t);
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static int ed_pccard_memwrite(device_t dev, off_t offset, u_char byte);
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static int ed_pccard_memread(device_t dev, off_t offset, u_char *buf, int size);
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static device_method_t ed_pccard_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ed_pccard_probe),
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DEVMETHOD(device_attach, ed_pccard_attach),
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DEVMETHOD(device_detach, ed_pccard_detach),
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{ 0, 0 }
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};
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static driver_t ed_pccard_driver = {
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"ed",
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ed_pccard_methods,
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sizeof(struct ed_softc)
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};
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static devclass_t ed_pccard_devclass;
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DRIVER_MODULE(ed, pccard, ed_pccard_driver, ed_pccard_devclass, 0, 0);
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/*
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* ed_pccard_detach - unload the driver and clear the table.
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* XXX TODO:
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* This is usually called when the card is ejected, but
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* can be caused by a modunload of a controller driver.
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* The idea is to reset the driver's view of the device
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* and ensure that any driver entry points such as
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* read and write do not hang.
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*/
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static int
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ed_pccard_detach(device_t dev)
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{
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struct ed_softc *sc = device_get_softc(dev);
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struct ifnet *ifp = &sc->arpcom.ac_if;
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if (sc->gone) {
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device_printf(dev, "already unloaded\n");
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return (0);
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}
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ed_stop(sc);
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ifp->if_flags &= ~IFF_RUNNING;
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ether_ifdetach(ifp, ETHER_BPF_SUPPORTED);
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sc->gone = 1;
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bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
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ed_release_resources(dev);
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return (0);
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}
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/*
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* Probe framework for pccards. Replicates the standard framework,
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* minus the pccard driver registration and ignores the ether address
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* supplied (from the CIS), relying on the probe to find it instead.
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*/
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static int
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ed_pccard_probe(device_t dev)
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{
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int error;
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int flags;
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struct ed_softc *sc = device_get_softc(dev);
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flags = device_get_flags(dev);
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if (ED_FLAGS_GETTYPE(flags) == ED_FLAGS_AX88190) {
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/* Special setup for AX88190 */
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u_char rdbuf[4];
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int iobase;
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int attr_ioport;
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/* XXX Allocate the port resource during setup. */
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error = ed_alloc_port(dev, 0, ED_NOVELL_IO_PORTS);
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if (error != 0)
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return (error);
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sc->chip_type = ED_CHIP_TYPE_AX88190;
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/*
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* Check & Set Attribute Memory IOBASE Register
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*/
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ed_pccard_memread(dev,ED_AX88190_IOBASE0,rdbuf,4);
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attr_ioport = rdbuf[2] << 8 | rdbuf[0];
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iobase = rman_get_start(sc->port_res);
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if (attr_ioport != iobase) {
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#if notdef
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printf("AX88190 IOBASE MISMATCH %04x -> %04x Setting\n",attr_ioport,iobase);
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#endif /* notdef */
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ed_pccard_memwrite(dev,ED_AX88190_IOBASE0,iobase & 0xff);
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ed_pccard_memwrite(dev,ED_AX88190_IOBASE1,(iobase >> 8) & 0xff);
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}
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ed_ax88190_geteprom(sc);
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ed_release_resources(dev);
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}
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error = ed_probe_Novell(dev);
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if (error == 0)
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goto end;
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ed_release_resources(dev);
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error = ed_probe_WD80x3(dev);
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if (error == 0)
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goto end;
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ed_release_resources(dev);
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end:
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if (error == 0)
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error = ed_alloc_irq(dev, 0, 0);
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ed_release_resources(dev);
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return (error);
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}
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static int
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ed_pccard_attach(device_t dev)
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{
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struct ed_softc *sc = device_get_softc(dev);
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int flags = device_get_flags(dev);
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int error;
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int i;
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u_char sum;
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u_char ether_addr[ETHER_ADDR_LEN];
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if (sc->port_used > 0)
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ed_alloc_port(dev, sc->port_rid, sc->port_used);
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if (sc->mem_used)
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ed_alloc_memory(dev, sc->mem_rid, sc->mem_used);
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ed_alloc_irq(dev, sc->irq_rid, 0);
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error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
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edintr, sc, &sc->irq_handle);
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if (error) {
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printf("setup intr failed %d \n", error);
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ed_release_resources(dev);
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return (error);
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}
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if (ed_get_Linksys(sc) == 0) {
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pccard_get_ether(dev, ether_addr);
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for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
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sum |= ether_addr[i];
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if (sum)
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bcopy(ether_addr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
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}
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error = ed_attach(sc, device_get_unit(dev), flags);
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return (error);
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}
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/* XXX: Warner-san, any plan to provide access to the attribute memory? */
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static int
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ed_pccard_memwrite(device_t dev, off_t offset, u_char byte)
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{
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struct pccard_devinfo *devi;
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dev_t d;
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struct iovec iov;
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struct uio uios;
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devi = device_get_ivars(dev);
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iov.iov_base = &byte;
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iov.iov_len = sizeof(byte);
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uios.uio_iov = &iov;
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uios.uio_iovcnt = 1;
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uios.uio_offset = offset;
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uios.uio_resid = sizeof(byte);
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uios.uio_segflg = UIO_SYSSPACE;
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uios.uio_rw = UIO_WRITE;
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uios.uio_procp = 0;
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d = makedev(CARD_MAJOR, devi->slt->slotnum);
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return devsw(d)->d_write(d, &uios, 0);
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}
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static int
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ed_pccard_memread(device_t dev, off_t offset, u_char *buf, int size)
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{
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struct pccard_devinfo *devi;
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dev_t d;
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struct iovec iov;
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struct uio uios;
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devi = device_get_ivars(dev);
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iov.iov_base = buf;
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iov.iov_len = size;
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uios.uio_iov = &iov;
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uios.uio_iovcnt = 1;
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uios.uio_offset = offset;
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uios.uio_resid = size;
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uios.uio_segflg = UIO_SYSSPACE;
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uios.uio_rw = UIO_READ;
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uios.uio_procp = 0;
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d = makedev(CARD_MAJOR, devi->slt->slotnum);
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return devsw(d)->d_read(d, &uios, 0);
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}
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