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 "qemu/osdep.h" 25 #include "hw/hw.h" 26 #include "hw/i386/pc.h" 27 #include "hw/isa/isa.h" 28 #include "hw/qdev.h" 29 #include "net/net.h" 30 #include "ne2000.h" 31 #include "exec/address-spaces.h" 32 #include "qapi/error.h" 33 #include "qapi/visitor.h" 34 35 #define TYPE_ISA_NE2000 "ne2k_isa" 36 #define ISA_NE2000(obj) OBJECT_CHECK(ISANE2000State, (obj), TYPE_ISA_NE2000) 37 38 typedef struct ISANE2000State { 39 ISADevice parent_obj; 40 41 uint32_t iobase; 42 uint32_t isairq; 43 NE2000State ne2000; 44 } ISANE2000State; 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 isa_init_irq(isadev, &s->irq, 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 dc->props = 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 visit_type_int32(v, name, &boot_index, &local_err); 118 if (local_err) { 119 goto out; 120 } 121 /* check whether bootindex is present in fw_boot_order list */ 122 check_boot_index(boot_index, &local_err); 123 if (local_err) { 124 goto out; 125 } 126 /* change bootindex to a new one */ 127 s->c.bootindex = boot_index; 128 129 out: 130 error_propagate(errp, local_err); 131 } 132 133 static void isa_ne2000_instance_init(Object *obj) 134 { 135 object_property_add(obj, "bootindex", "int32", 136 isa_ne2000_get_bootindex, 137 isa_ne2000_set_bootindex, NULL, NULL, NULL); 138 object_property_set_int(obj, -1, "bootindex", NULL); 139 } 140 static const TypeInfo ne2000_isa_info = { 141 .name = TYPE_ISA_NE2000, 142 .parent = TYPE_ISA_DEVICE, 143 .instance_size = sizeof(ISANE2000State), 144 .class_init = isa_ne2000_class_initfn, 145 .instance_init = isa_ne2000_instance_init, 146 }; 147 148 static void ne2000_isa_register_types(void) 149 { 150 type_register_static(&ne2000_isa_info); 151 } 152 153 type_init(ne2000_isa_register_types) 154