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
  25 #include "qemu/osdep.h"
  26 #include "hw/isa/isa.h"
  27 #include "hw/net/ne2000-isa.h"
  28 #include "migration/vmstate.h"
  29 #include "ne2000.h"
  30 #include "sysemu/sysemu.h"
  31 #include "qapi/error.h"
  32 #include "qapi/visitor.h"
  33 #include "qemu/module.h"
  34 #include "qom/object.h"
  35
  36 OBJECT_DECLARE_SIMPLE_TYPE(ISANE2000State, ISA_NE2000)
  37
  38 struct ISANE2000State {
  39     ISADevice parent_obj;
  40
  41     uint32_t iobase;
  42     uint32_t isairq;
  43     NE2000State ne2000;
  44 };
  45
  46 static NetClientInfo net_ne2000_isa_info = {
  47     .type = NET_CLIENT_DRIVER_NIC,
  48     .size = sizeof(NICState),
  49     .receive = ne2000_receive,
  50 };
  51
  52 static const VMStateDescription vmstate_isa_ne2000 = {
  53     .name = "ne2000",
  54     .version_id = 2,
  55     .minimum_version_id = 0,
  56     .fields = (const VMStateField[]) {
  57         VMSTATE_STRUCT(ne2000, ISANE2000State, 0, vmstate_ne2000, NE2000State),
  58         VMSTATE_END_OF_LIST()
  59     }
  60 };
  61
  62 static 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     s->irq = isa_get_irq(isadev, 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,
  78                           &dev->mem_reentrancy_guard, s);
  79     qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a);
  80 }
  81
  82 static Property ne2000_isa_properties[] = {
  83     DEFINE_PROP_UINT32("iobase", ISANE2000State, iobase, 0x300),
  84     DEFINE_PROP_UINT32("irq",   ISANE2000State, isairq, 9),
  85     DEFINE_NIC_PROPERTIES(ISANE2000State, ne2000.c),
  86     DEFINE_PROP_END_OF_LIST(),
  87 };
  88
  89 static void isa_ne2000_class_initfn(ObjectClass *klass, void *data)
  90 {
  91     DeviceClass *dc = DEVICE_CLASS(klass);
  92
  93     dc->realize = isa_ne2000_realizefn;
  94     device_class_set_props(dc, ne2000_isa_properties);
  95     dc->vmsd = &vmstate_isa_ne2000;
  96     set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
  97 }
  98
  99 static void isa_ne2000_get_bootindex(Object *obj, Visitor *v,
 100                                      const char *name, void *opaque,
 101                                      Error **errp)
 102 {
 103     ISANE2000State *isa = ISA_NE2000(obj);
 104     NE2000State *s = &isa->ne2000;
 105
 106     visit_type_int32(v, name, &s->c.bootindex, errp);
 107 }
 108
 109 static void isa_ne2000_set_bootindex(Object *obj, Visitor *v,
 110                                      const char *name, void *opaque,
 111                                      Error **errp)
 112 {
 113     ISANE2000State *isa = ISA_NE2000(obj);
 114     NE2000State *s = &isa->ne2000;
 115     int32_t boot_index;
 116     Error *local_err = NULL;
 117
 118     if (!visit_type_int32(v, name, &boot_index, errp)) {
 119         return;
 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
 129 out:
 130     error_propagate(errp, local_err);
 131 }
 132
 133 static void isa_ne2000_instance_init(Object *obj)
 134 {
 135     object_property_add(obj, "bootindex", "int32",
 136                         isa_ne2000_get_bootindex,
 137                         isa_ne2000_set_bootindex, NULL, NULL);
 138     object_property_set_int(obj, "bootindex", -1, NULL);
 139 }
 140 static const TypeInfo ne2000_isa_info = {
 141     .name          = TYPE_ISA_NE2000,
 142     .parent        = TYPE_ISA_DEVICE,
 143     .instance_size = sizeof(ISANE2000State),
 144     .class_init    = isa_ne2000_class_initfn,
 145     .instance_init = isa_ne2000_instance_init,
 146 };
 147
 148 static void ne2000_isa_register_types(void)
 149 {
 150     type_register_static(&ne2000_isa_info);
 151 }
 152
 153 type_init(ne2000_isa_register_types)