qemu

FORK: QEMU emulator
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ne2000-isa.c (4858B)

      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 = (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, s);
     78     qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a);
     79 }
     80 
     81 static Property ne2000_isa_properties[] = {
     82     DEFINE_PROP_UINT32("iobase", ISANE2000State, iobase, 0x300),
     83     DEFINE_PROP_UINT32("irq",   ISANE2000State, isairq, 9),
     84     DEFINE_NIC_PROPERTIES(ISANE2000State, ne2000.c),
     85     DEFINE_PROP_END_OF_LIST(),
     86 };
     87 
     88 static void isa_ne2000_class_initfn(ObjectClass *klass, void *data)
     89 {
     90     DeviceClass *dc = DEVICE_CLASS(klass);
     91 
     92     dc->realize = isa_ne2000_realizefn;
     93     device_class_set_props(dc, ne2000_isa_properties);
     94     dc->vmsd = &vmstate_isa_ne2000;
     95     set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
     96 }
     97 
     98 static void isa_ne2000_get_bootindex(Object *obj, Visitor *v,
     99                                      const char *name, void *opaque,
    100                                      Error **errp)
    101 {
    102     ISANE2000State *isa = ISA_NE2000(obj);
    103     NE2000State *s = &isa->ne2000;
    104 
    105     visit_type_int32(v, name, &s->c.bootindex, errp);
    106 }
    107 
    108 static void isa_ne2000_set_bootindex(Object *obj, Visitor *v,
    109                                      const char *name, void *opaque,
    110                                      Error **errp)
    111 {
    112     ISANE2000State *isa = ISA_NE2000(obj);
    113     NE2000State *s = &isa->ne2000;
    114     int32_t boot_index;
    115     Error *local_err = NULL;
    116 
    117     if (!visit_type_int32(v, name, &boot_index, errp)) {
    118         return;
    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, "bootindex", -1, 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)