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