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