LXR qemu/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 "qemu/osdep.h"
  25#include "hw/hw.h"
  26#include "hw/i386/pc.h"
  27#include "hw/isa/isa.h"
  28#include "hw/qdev.h"
  29#include "net/net.h"
  30#include "ne2000.h"
  31#include "exec/address-spaces.h"
  32#include "qapi/error.h"
  33#include "qapi/visitor.h"
  34
  35#define TYPE_ISA_NE2000 "ne2k_isa"
  36#define ISA_NE2000(obj) OBJECT_CHECK(ISANE2000State, (obj), TYPE_ISA_NE2000)
  37
  38typedef struct ISANE2000State {
  39    ISADevice parent_obj;
  40
  41    uint32_t iobase;
  42    uint32_t isairq;
  43    NE2000State ne2000;
  44} ISANE2000State;
  45
  46static NetClientInfo net_ne2000_isa_info = {
  47    .type = NET_CLIENT_OPTIONS_KIND_NIC,
  48    .size = sizeof(NICState),
  49    .receive = ne2000_receive,
  50};
  51
  52static const VMStateDescription vmstate_isa_ne2000 = {
  53    .name = "ne2000",
  54    .version_id = 2,
  55    .minimum_version_id = 0,
  56    .fields = (VMStateField[]) {
  57        VMSTATE_STRUCT(ne2000, ISANE2000State, 0, vmstate_ne2000, NE2000State),
  58        VMSTATE_END_OF_LIST()
  59    }
  60};
  61
  62static void isa_ne2000_realizefn(DeviceState *dev, Error **errp)
  63{
  64    ISADevice *isadev = ISA_DEVICE(dev);
  65    ISANE2000State *isa = ISA_NE2000(dev);
  66    NE2000State *s = &isa->ne2000;
  67
  68    ne2000_setup_io(s, DEVICE(isadev), 0x20);
  69    isa_register_ioport(isadev, &s->io, isa->iobase);
  70
  71    isa_init_irq(isadev, &s->irq, isa->isairq);
  72
  73    qemu_macaddr_default_if_unset(&s->c.macaddr);
  74    ne2000_reset(s);
  75
  76    s->nic = qemu_new_nic(&net_ne2000_isa_info, &s->c,
  77                          object_get_typename(OBJECT(dev)), dev->id, s);
  78    qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a);
  79}
  80
  81static Property ne2000_isa_properties[] = {
  82    DEFINE_PROP_UINT32("iobase", ISANE2000State, iobase, 0x300),
  83    DEFINE_PROP_UINT32("irq",   ISANE2000State, isairq, 9),
  84    DEFINE_NIC_PROPERTIES(ISANE2000State, ne2000.c),
  85    DEFINE_PROP_END_OF_LIST(),
  86};
  87
  88static void isa_ne2000_class_initfn(ObjectClass *klass, void *data)
  89{
  90    DeviceClass *dc = DEVICE_CLASS(klass);
  91
  92    dc->realize = isa_ne2000_realizefn;
  93    dc->props = ne2000_isa_properties;
  94    dc->vmsd = &vmstate_isa_ne2000;
  95    set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
  96}
  97
  98static void isa_ne2000_get_bootindex(Object *obj, Visitor *v,
  99                                     const char *name, void *opaque,
 100                                     Error **errp)
 101{
 102    ISANE2000State *isa = ISA_NE2000(obj);
 103    NE2000State *s = &isa->ne2000;
 104
 105    visit_type_int32(v, name, &s->c.bootindex, errp);
 106}
 107
 108static void isa_ne2000_set_bootindex(Object *obj, Visitor *v,
 109                                     const char *name, void *opaque,
 110                                     Error **errp)
 111{
 112    ISANE2000State *isa = ISA_NE2000(obj);
 113    NE2000State *s = &isa->ne2000;
 114    int32_t boot_index;
 115    Error *local_err = NULL;
 116
 117    visit_type_int32(v, name, &boot_index, &local_err);
 118    if (local_err) {
 119        goto out;
 120    }
 121    /* check whether bootindex is present in fw_boot_order list  */
 122    check_boot_index(boot_index, &local_err);
 123    if (local_err) {
 124        goto out;
 125    }
 126    /* change bootindex to a new one */
 127    s->c.bootindex = boot_index;
 128
 129out:
 130    if (local_err) {
 131        error_propagate(errp, local_err);
 132    }
 133}
 134
 135static void isa_ne2000_instance_init(Object *obj)
 136{
 137    object_property_add(obj, "bootindex", "int32",
 138                        isa_ne2000_get_bootindex,
 139                        isa_ne2000_set_bootindex, NULL, NULL, NULL);
 140    object_property_set_int(obj, -1, "bootindex", NULL);
 141}
 142static const TypeInfo ne2000_isa_info = {
 143    .name          = TYPE_ISA_NE2000,
 144    .parent        = TYPE_ISA_DEVICE,
 145    .instance_size = sizeof(ISANE2000State),
 146    .class_init    = isa_ne2000_class_initfn,
 147    .instance_init = isa_ne2000_instance_init,
 148};
 149
 150static void ne2000_isa_register_types(void)
 151{
 152    type_register_static(&ne2000_isa_info);
 153}
 154
 155type_init(ne2000_isa_register_types)
 156