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/hw.h" 25 #include "hw/i386/pc.h" 26 #include "hw/isa/isa.h" 27 #include "hw/qdev.h" 28 #include "net/net.h" 29 #include "ne2000.h" 30 #include "exec/address-spaces.h" 31 32 typedef struct ISANE2000State { 33 ISADevice dev; 34 uint32_t iobase; 35 uint32_t isairq; 36 NE2000State ne2000; 37 } ISANE2000State; 38 39 static void isa_ne2000_cleanup(NetClientState *nc) 40 { 41 NE2000State *s = qemu_get_nic_opaque(nc); 42 43 s->nic = NULL; 44 } 45 46 static NetClientInfo net_ne2000_isa_info = { 47 .type = NET_CLIENT_OPTIONS_KIND_NIC, 48 .size = sizeof(NICState), 49 .can_receive = ne2000_can_receive, 50 .receive = ne2000_receive, 51 .cleanup = isa_ne2000_cleanup, 52 }; 53 54 static const VMStateDescription vmstate_isa_ne2000 = { 55 .name = "ne2000", 56 .version_id = 2, 57 .minimum_version_id = 0, 58 .minimum_version_id_old = 0, 59 .fields = (VMStateField []) { 60 VMSTATE_STRUCT(ne2000, ISANE2000State, 0, vmstate_ne2000, NE2000State), 61 VMSTATE_END_OF_LIST() 62 } 63 }; 64 65 static int isa_ne2000_initfn(ISADevice *dev) 66 { 67 ISANE2000State *isa = DO_UPCAST(ISANE2000State, dev, dev); 68 NE2000State *s = &isa->ne2000; 69 70 ne2000_setup_io(s, 0x20); 71 isa_register_ioport(dev, &s->io, isa->iobase); 72 73 isa_init_irq(dev, &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->qdev.id, s); 80 qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a); 81 82 return 0; 83 } 84 85 static Property ne2000_isa_properties[] = { 86 DEFINE_PROP_HEX32("iobase", ISANE2000State, iobase, 0x300), 87 DEFINE_PROP_UINT32("irq", ISANE2000State, isairq, 9), 88 DEFINE_NIC_PROPERTIES(ISANE2000State, ne2000.c), 89 DEFINE_PROP_END_OF_LIST(), 90 }; 91 92 static void isa_ne2000_class_initfn(ObjectClass *klass, void *data) 93 { 94 DeviceClass *dc = DEVICE_CLASS(klass); 95 ISADeviceClass *ic = ISA_DEVICE_CLASS(klass); 96 ic->init = isa_ne2000_initfn; 97 dc->props = ne2000_isa_properties; 98 } 99 100 static const TypeInfo ne2000_isa_info = { 101 .name = "ne2k_isa", 102 .parent = TYPE_ISA_DEVICE, 103 .instance_size = sizeof(ISANE2000State), 104 .class_init = isa_ne2000_class_initfn, 105 }; 106 107 static void ne2000_isa_register_types(void) 108 { 109 type_register_static(&ne2000_isa_info); 110 } 111 112 type_init(ne2000_isa_register_types) 113