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
  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 NetClientInfo net_ne2000_isa_info = {
  44     .type = NET_CLIENT_DRIVER_NIC,
  45     .size = sizeof(NICState),
  46     .receive = ne2000_receive,
  47 };
  48
  49 static 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
  59 static 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
  78 static 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
  85 static 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
  95 static 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
 105 static 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
 126 out:
 127     error_propagate(errp, local_err);
 128 }
 129
 130 static 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 }
 137 static 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
 145 static void ne2000_isa_register_types(void)
 146 {
 147     type_register_static(&ne2000_isa_info);
 148 }
 149
 150 type_init(ne2000_isa_register_types)