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 35 #define ISA_NE2000(obj) OBJECT_CHECK(ISANE2000State, (obj), TYPE_ISA_NE2000) 36 37 typedef struct ISANE2000State { 38 ISADevice parent_obj; 39 40 uint32_t iobase; 41 uint32_t isairq; 42 NE2000State ne2000; 43 } ISANE2000State; 44 45 static NetClientInfo net_ne2000_isa_info = { 46 .type = NET_CLIENT_DRIVER_NIC, 47 .size = sizeof(NICState), 48 .receive = ne2000_receive, 49 }; 50 51 static const VMStateDescription vmstate_isa_ne2000 = { 52 .name = "ne2000", 53 .version_id = 2, 54 .minimum_version_id = 0, 55 .fields = (VMStateField[]) { 56 VMSTATE_STRUCT(ne2000, ISANE2000State, 0, vmstate_ne2000, NE2000State), 57 VMSTATE_END_OF_LIST() 58 } 59 }; 60 61 static void isa_ne2000_realizefn(DeviceState *dev, Error **errp) 62 { 63 ISADevice *isadev = ISA_DEVICE(dev); 64 ISANE2000State *isa = ISA_NE2000(dev); 65 NE2000State *s = &isa->ne2000; 66 67 ne2000_setup_io(s, DEVICE(isadev), 0x20); 68 isa_register_ioport(isadev, &s->io, isa->iobase); 69 70 isa_init_irq(isadev, &s->irq, isa->isairq); 71 72 qemu_macaddr_default_if_unset(&s->c.macaddr); 73 ne2000_reset(s); 74 75 s->nic = qemu_new_nic(&net_ne2000_isa_info, &s->c, 76 object_get_typename(OBJECT(dev)), dev->id, s); 77 qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a); 78 } 79 80 static Property ne2000_isa_properties[] = { 81 DEFINE_PROP_UINT32("iobase", ISANE2000State, iobase, 0x300), 82 DEFINE_PROP_UINT32("irq", ISANE2000State, isairq, 9), 83 DEFINE_NIC_PROPERTIES(ISANE2000State, ne2000.c), 84 DEFINE_PROP_END_OF_LIST(), 85 }; 86 87 static void isa_ne2000_class_initfn(ObjectClass *klass, void *data) 88 { 89 DeviceClass *dc = DEVICE_CLASS(klass); 90 91 dc->realize = isa_ne2000_realizefn; 92 device_class_set_props(dc, ne2000_isa_properties); 93 dc->vmsd = &vmstate_isa_ne2000; 94 set_bit(DEVICE_CATEGORY_NETWORK, dc->categories); 95 } 96 97 static void isa_ne2000_get_bootindex(Object *obj, Visitor *v, 98 const char *name, void *opaque, 99 Error **errp) 100 { 101 ISANE2000State *isa = ISA_NE2000(obj); 102 NE2000State *s = &isa->ne2000; 103 104 visit_type_int32(v, name, &s->c.bootindex, errp); 105 } 106 107 static void isa_ne2000_set_bootindex(Object *obj, Visitor *v, 108 const char *name, void *opaque, 109 Error **errp) 110 { 111 ISANE2000State *isa = ISA_NE2000(obj); 112 NE2000State *s = &isa->ne2000; 113 int32_t boot_index; 114 Error *local_err = NULL; 115 116 if (!visit_type_int32(v, name, &boot_index, errp)) { 117 return; 118 } 119 /* check whether bootindex is present in fw_boot_order list */ 120 check_boot_index(boot_index, &local_err); 121 if (local_err) { 122 goto out; 123 } 124 /* change bootindex to a new one */ 125 s->c.bootindex = boot_index; 126 127 out: 128 error_propagate(errp, local_err); 129 } 130 131 static void isa_ne2000_instance_init(Object *obj) 132 { 133 object_property_add(obj, "bootindex", "int32", 134 isa_ne2000_get_bootindex, 135 isa_ne2000_set_bootindex, NULL, NULL); 136 object_property_set_int(obj, "bootindex", -1, NULL); 137 } 138 static const TypeInfo ne2000_isa_info = { 139 .name = TYPE_ISA_NE2000, 140 .parent = TYPE_ISA_DEVICE, 141 .instance_size = sizeof(ISANE2000State), 142 .class_init = isa_ne2000_class_initfn, 143 .instance_init = isa_ne2000_instance_init, 144 }; 145 146 static void ne2000_isa_register_types(void) 147 { 148 type_register_static(&ne2000_isa_info); 149 } 150 151 type_init(ne2000_isa_register_types) 152