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) 155