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/hw.h"
  25 #include "hw/pc.h"
  26 #include "hw/isa.h"
  27 #include "hw/qdev.h"
  28 #include "net/net.h"
  29 #include "hw/ne2000.h"
  30 #include "exec/address-spaces.h"
  31
  32 typedef struct ISANE2000State {
  33     ISADevice dev;
  34     uint32_t iobase;
  35     uint32_t isairq;
  36     NE2000State ne2000;
  37 } ISANE2000State;
  38
  39 static void isa_ne2000_cleanup(NetClientState *nc)
  40 {
  41     NE2000State *s = qemu_get_nic_opaque(nc);
  42
  43     s->nic = NULL;
  44 }
  45
  46 static NetClientInfo net_ne2000_isa_info = {
  47     .type = NET_CLIENT_OPTIONS_KIND_NIC,
  48     .size = sizeof(NICState),
  49     .can_receive = ne2000_can_receive,
  50     .receive = ne2000_receive,
  51     .cleanup = isa_ne2000_cleanup,
  52 };
  53
  54 static const VMStateDescription vmstate_isa_ne2000 = {
  55     .name = "ne2000",
  56     .version_id = 2,
  57     .minimum_version_id = 0,
  58     .minimum_version_id_old = 0,
  59     .fields      = (VMStateField []) {
  60         VMSTATE_STRUCT(ne2000, ISANE2000State, 0, vmstate_ne2000, NE2000State),
  61         VMSTATE_END_OF_LIST()
  62     }
  63 };
  64
  65 static int isa_ne2000_initfn(ISADevice *dev)
  66 {
  67     ISANE2000State *isa = DO_UPCAST(ISANE2000State, dev, dev);
  68     NE2000State *s = &isa->ne2000;
  69
  70     ne2000_setup_io(s, 0x20);
  71     isa_register_ioport(dev, &s->io, isa->iobase);
  72
  73     isa_init_irq(dev, &s->irq, isa->isairq);
  74
  75     qemu_macaddr_default_if_unset(&s->c.macaddr);
  76     ne2000_reset(s);
  77
  78     s->nic = qemu_new_nic(&net_ne2000_isa_info, &s->c,
  79                           object_get_typename(OBJECT(dev)), dev->qdev.id, s);
  80     qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a);
  81
  82     return 0;
  83 }
  84
  85 static Property ne2000_isa_properties[] = {
  86     DEFINE_PROP_HEX32("iobase", ISANE2000State, iobase, 0x300),
  87     DEFINE_PROP_UINT32("irq",   ISANE2000State, isairq, 9),
  88     DEFINE_NIC_PROPERTIES(ISANE2000State, ne2000.c),
  89     DEFINE_PROP_END_OF_LIST(),
  90 };
  91
  92 static void isa_ne2000_class_initfn(ObjectClass *klass, void *data)
  93 {
  94     DeviceClass *dc = DEVICE_CLASS(klass);
  95     ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);
  96     ic->init = isa_ne2000_initfn;
  97     dc->props = ne2000_isa_properties;
  98 }
  99
 100 static const TypeInfo ne2000_isa_info = {
 101     .name          = "ne2k_isa",
 102     .parent        = TYPE_ISA_DEVICE,
 103     .instance_size = sizeof(ISANE2000State),
 104     .class_init    = isa_ne2000_class_initfn,
 105 };
 106
 107 static void ne2000_isa_register_types(void)
 108 {
 109     type_register_static(&ne2000_isa_info);
 110 }
 111
 112 type_init(ne2000_isa_register_types)