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