hw/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 "hw.h"
  25 #include "pc.h"
  26 #include "isa.h"
  27 #include "qdev.h"
  28 #include "net.h"
  29 #include "ne2000.h"
  30
  31 typedef struct ISANE2000State {
  32     ISADevice dev;
  33     uint32_t iobase;
  34     uint32_t isairq;
  35     NE2000State ne2000;
  36 } ISANE2000State;
  37
  38 static void isa_ne2000_cleanup(VLANClientState *nc)
  39 {
  40     NE2000State *s = DO_UPCAST(NICState, nc, nc)->opaque;
  41
  42     s->nic = NULL;
  43 }
  44
  45 static NetClientInfo net_ne2000_isa_info = {
  46     .type = NET_CLIENT_TYPE_NIC,
  47     .size = sizeof(NICState),
  48     .can_receive = ne2000_can_receive,
  49     .receive = ne2000_receive,
  50     .cleanup = isa_ne2000_cleanup,
  51 };
  52
  53 static const VMStateDescription vmstate_isa_ne2000 = {
  54     .name = "ne2000",
  55     .version_id = 2,
  56     .minimum_version_id = 0,
  57     .minimum_version_id_old = 0,
  58     .fields      = (VMStateField []) {
  59         VMSTATE_STRUCT(ne2000, ISANE2000State, 0, vmstate_ne2000, NE2000State),
  60         VMSTATE_END_OF_LIST()
  61     }
  62 };
  63
  64 static int isa_ne2000_initfn(ISADevice *dev)
  65 {
  66     ISANE2000State *isa = DO_UPCAST(ISANE2000State, dev, dev);
  67     NE2000State *s = &isa->ne2000;
  68
  69     register_ioport_write(isa->iobase, 16, 1, ne2000_ioport_write, s);
  70     register_ioport_read(isa->iobase, 16, 1, ne2000_ioport_read, s);
  71     isa_init_ioport_range(dev, isa->iobase, 16);
  72
  73     register_ioport_write(isa->iobase + 0x10, 1, 1, ne2000_asic_ioport_write, s);
  74     register_ioport_read(isa->iobase + 0x10, 1, 1, ne2000_asic_ioport_read, s);
  75     register_ioport_write(isa->iobase + 0x10, 2, 2, ne2000_asic_ioport_write, s);
  76     register_ioport_read(isa->iobase + 0x10, 2, 2, ne2000_asic_ioport_read, s);
  77     isa_init_ioport_range(dev, isa->iobase + 0x10, 2);
  78
  79     register_ioport_write(isa->iobase + 0x1f, 1, 1, ne2000_reset_ioport_write, s);
  80     register_ioport_read(isa->iobase + 0x1f, 1, 1, ne2000_reset_ioport_read, s);
  81     isa_init_ioport(dev, isa->iobase + 0x1f);
  82
  83     isa_init_irq(dev, &s->irq, isa->isairq);
  84
  85     qemu_macaddr_default_if_unset(&s->c.macaddr);
  86     ne2000_reset(s);
  87
  88     s->nic = qemu_new_nic(&net_ne2000_isa_info, &s->c,
  89                           dev->qdev.info->name, dev->qdev.id, s);
  90     qemu_format_nic_info_str(&s->nic->nc, s->c.macaddr.a);
  91
  92     return 0;
  93 }
  94
  95 void isa_ne2000_init(int base, int irq, NICInfo *nd)
  96 {
  97     ISADevice *dev;
  98
  99     qemu_check_nic_model(nd, "ne2k_isa");
 100
 101     dev = isa_create("ne2k_isa");
 102     qdev_prop_set_uint32(&dev->qdev, "iobase", base);
 103     qdev_prop_set_uint32(&dev->qdev, "irq",    irq);
 104     qdev_set_nic_properties(&dev->qdev, nd);
 105     qdev_init_nofail(&dev->qdev);
 106 }
 107
 108 static ISADeviceInfo ne2000_isa_info = {
 109     .qdev.name  = "ne2k_isa",
 110     .qdev.size  = sizeof(ISANE2000State),
 111     .init       = isa_ne2000_initfn,
 112     .qdev.props = (Property[]) {
 113         DEFINE_PROP_HEX32("iobase", ISANE2000State, iobase, 0x300),
 114         DEFINE_PROP_UINT32("irq",   ISANE2000State, isairq, 9),
 115         DEFINE_NIC_PROPERTIES(ISANE2000State, ne2000.c),
 116         DEFINE_PROP_END_OF_LIST(),
 117     },
 118 };
 119
 120 static void ne2000_isa_register_devices(void)
 121 {
 122     isa_qdev_register(&ne2000_isa_info);
 123 }
 124
 125 device_init(ne2000_isa_register_devices)