LXR qemu/hw/ne2000-isa.c

   1/*
   2 * QEMU NE2000 emulation -- isa bus windup
   3 *
   4 * Copyright (c) 2003-2004 Fabrice Bellard
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a copy
   7 * of this software and associated documentation files (the "Software"), to deal
   8 * in the Software without restriction, including without limitation the rights
   9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10 * copies of the Software, and to permit persons to whom the Software is
  11 * furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22 * THE SOFTWARE.
  23 */
  24#include "hw.h"
  25#include "pc.h"
  26#include "isa.h"
  27#include "qdev.h"
  28#include "net.h"
  29#include "ne2000.h"
  30
  31typedef struct ISANE2000State {
  32    ISADevice dev;
  33    uint32_t iobase;
  34    uint32_t isairq;
  35    NE2000State ne2000;
  36} ISANE2000State;
  37
  38static void isa_ne2000_cleanup(VLANClientState *nc)
  39{
  40    NE2000State *s = DO_UPCAST(NICState, nc, nc)->opaque;
  41
  42    s->nic = NULL;
  43}
  44
  45static NetClientInfo net_ne2000_isa_info = {
  46    .type = NET_CLIENT_TYPE_NIC,
  47    .size = sizeof(NICState),
  48    .can_receive = ne2000_can_receive,
  49    .receive = ne2000_receive,
  50    .cleanup = isa_ne2000_cleanup,
  51};
  52
  53static const VMStateDescription vmstate_isa_ne2000 = {
  54    .name = "ne2000",
  55    .version_id = 2,
  56    .minimum_version_id = 0,
  57    .minimum_version_id_old = 0,
  58    .fields      = (VMStateField []) {
  59        VMSTATE_STRUCT(ne2000, ISANE2000State, 0, vmstate_ne2000, NE2000State),
  60        VMSTATE_END_OF_LIST()
  61    }
  62};
  63
  64static int isa_ne2000_initfn(ISADevice *dev)
  65{
  66    ISANE2000State *isa = DO_UPCAST(ISANE2000State, dev, dev);
  67    NE2000State *s = &isa->ne2000;
  68
  69    register_ioport_write(isa->iobase, 16, 1, ne2000_ioport_write, s);
  70    register_ioport_read(isa->iobase, 16, 1, ne2000_ioport_read, s);
  71
  72    register_ioport_write(isa->iobase + 0x10, 1, 1, ne2000_asic_ioport_write, s);
  73    register_ioport_read(isa->iobase + 0x10, 1, 1, ne2000_asic_ioport_read, s);
  74    register_ioport_write(isa->iobase + 0x10, 2, 2, ne2000_asic_ioport_write, s);
  75    register_ioport_read(isa->iobase + 0x10, 2, 2, ne2000_asic_ioport_read, s);
  76
  77    register_ioport_write(isa->iobase + 0x1f, 1, 1, ne2000_reset_ioport_write, s);
  78    register_ioport_read(isa->iobase + 0x1f, 1, 1, ne2000_reset_ioport_read, s);
  79
  80    isa_init_irq(dev, &s->irq, isa->isairq);
  81
  82    qemu_macaddr_default_if_unset(&s->c.macaddr);
  83    ne2000_reset(s);
  84
  85    s->nic = qemu_new_nic(&net_ne2000_isa_info, &s->c,
  86                          dev->qdev.info->name, dev->qdev.id, s);
  87    qemu_format_nic_info_str(&s->nic->nc, s->c.macaddr.a);
  88
  89    return 0;
  90}
  91
  92void isa_ne2000_init(int base, int irq, NICInfo *nd)
  93{
  94    ISADevice *dev;
  95
  96    qemu_check_nic_model(nd, "ne2k_isa");
  97
  98    dev = isa_create("ne2k_isa");
  99    qdev_prop_set_uint32(&dev->qdev, "iobase", base);
 100    qdev_prop_set_uint32(&dev->qdev, "irq",    irq);
 101    qdev_set_nic_properties(&dev->qdev, nd);
 102    qdev_init_nofail(&dev->qdev);
 103}
 104
 105static ISADeviceInfo ne2000_isa_info = {
 106    .qdev.name  = "ne2k_isa",
 107    .qdev.size  = sizeof(ISANE2000State),
 108    .init       = isa_ne2000_initfn,
 109    .qdev.props = (Property[]) {
 110        DEFINE_PROP_HEX32("iobase", ISANE2000State, iobase, 0x300),
 111        DEFINE_PROP_UINT32("irq",   ISANE2000State, isairq, 9),
 112        DEFINE_NIC_PROPERTIES(ISANE2000State, ne2000.c),
 113        DEFINE_PROP_END_OF_LIST(),
 114    },
 115};
 116
 117static void ne2000_isa_register_devices(void)
 118{
 119    isa_qdev_register(&ne2000_isa_info);
 120}
 121
 122device_init(ne2000_isa_register_devices)
 123