hw/net/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/i386/pc.h"
  26 #include "hw/isa/isa.h"
  27 #include "hw/qdev.h"
  28 #include "net/net.h"
  29 #include "ne2000.h"
  30 #include "exec/address-spaces.h"
  31
  32 #define TYPE_ISA_NE2000 "ne2k_isa"
  33 #define ISA_NE2000(obj) OBJECT_CHECK(ISANE2000State, (obj), TYPE_ISA_NE2000)
  34
  35 typedef struct ISANE2000State {
  36     ISADevice parent_obj;
  37
  38     uint32_t iobase;
  39     uint32_t isairq;
  40     NE2000State ne2000;
  41 } ISANE2000State;
  42
  43 static void isa_ne2000_cleanup(NetClientState *nc)
  44 {
  45     NE2000State *s = qemu_get_nic_opaque(nc);
  46
  47     s->nic = NULL;
  48 }
  49
  50 static NetClientInfo net_ne2000_isa_info = {
  51     .type = NET_CLIENT_OPTIONS_KIND_NIC,
  52     .size = sizeof(NICState),
  53     .can_receive = ne2000_can_receive,
  54     .receive = ne2000_receive,
  55     .cleanup = isa_ne2000_cleanup,
  56 };
  57
  58 static const VMStateDescription vmstate_isa_ne2000 = {
  59     .name = "ne2000",
  60     .version_id = 2,
  61     .minimum_version_id = 0,
  62     .fields = (VMStateField[]) {
  63         VMSTATE_STRUCT(ne2000, ISANE2000State, 0, vmstate_ne2000, NE2000State),
  64         VMSTATE_END_OF_LIST()
  65     }
  66 };
  67
  68 static void isa_ne2000_realizefn(DeviceState *dev, Error **errp)
  69 {
  70     ISADevice *isadev = ISA_DEVICE(dev);
  71     ISANE2000State *isa = ISA_NE2000(dev);
  72     NE2000State *s = &isa->ne2000;
  73
  74     ne2000_setup_io(s, DEVICE(isadev), 0x20);
  75     isa_register_ioport(isadev, &s->io, isa->iobase);
  76
  77     isa_init_irq(isadev, &s->irq, isa->isairq);
  78
  79     qemu_macaddr_default_if_unset(&s->c.macaddr);
  80     ne2000_reset(s);
  81
  82     s->nic = qemu_new_nic(&net_ne2000_isa_info, &s->c,
  83                           object_get_typename(OBJECT(dev)), dev->id, s);
  84     qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a);
  85 }
  86
  87 static Property ne2000_isa_properties[] = {
  88     DEFINE_PROP_UINT32("iobase", ISANE2000State, iobase, 0x300),
  89     DEFINE_PROP_UINT32("irq",   ISANE2000State, isairq, 9),
  90     DEFINE_NIC_PROPERTIES(ISANE2000State, ne2000.c),
  91     DEFINE_PROP_END_OF_LIST(),
  92 };
  93
  94 static void isa_ne2000_class_initfn(ObjectClass *klass, void *data)
  95 {
  96     DeviceClass *dc = DEVICE_CLASS(klass);
  97
  98     dc->realize = isa_ne2000_realizefn;
  99     dc->props = ne2000_isa_properties;
 100     dc->vmsd = &vmstate_isa_ne2000;
 101     set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
 102 }
 103
 104 static const TypeInfo ne2000_isa_info = {
 105     .name          = TYPE_ISA_NE2000,
 106     .parent        = TYPE_ISA_DEVICE,
 107     .instance_size = sizeof(ISANE2000State),
 108     .class_init    = isa_ne2000_class_initfn,
 109 };
 110
 111 static void ne2000_isa_register_types(void)
 112 {
 113     type_register_static(&ne2000_isa_info);
 114 }
 115
 116 type_init(ne2000_isa_register_types)