| 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 "system/system.h" |
| 31 | #include "qapi/error.h" |
| 32 | #include "qapi/visitor.h" |
| 33 | #include "qemu/module.h" |
| 34 | #include "qom/object.h" |
| 35 | |
| 36 | OBJECT_DECLARE_SIMPLE_TYPE(ISANE2000State, ISA_NE2000) |
| 37 | |
| 38 | struct ISANE2000State { |
| 39 | ISADevice parent_obj; |
| 40 | |
| 41 | uint32_t iobase; |
| 42 | uint32_t isairq; |
| 43 | NE2000State ne2000; |
| 44 | }; |
| 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 = (const 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 | s->irq = isa_get_irq(isadev, 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, |
| 78 | &dev->mem_reentrancy_guard, s); |
| 79 | qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a); |
| 80 | } |
| 81 | |
| 82 | static const Property ne2000_isa_properties[] = { |
| 83 | DEFINE_PROP_UINT32("iobase", ISANE2000State, iobase, 0x300), |
| 84 | DEFINE_PROP_UINT32("irq", ISANE2000State, isairq, 9), |
| 85 | DEFINE_NIC_PROPERTIES(ISANE2000State, ne2000.c), |
| 86 | }; |
| 87 | |
| 88 | static void isa_ne2000_class_initfn(ObjectClass *klass, const void *data) |
| 89 | { |
| 90 | DeviceClass *dc = DEVICE_CLASS(klass); |
| 91 | |
| 92 | dc->realize = isa_ne2000_realizefn; |
| 93 | device_class_set_props(dc, 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 | if (!visit_type_int32(v, name, &boot_index, errp)) { |
| 118 | return; |
| 119 | } |
| 120 | /* check whether bootindex is present in fw_boot_order list */ |
| 121 | check_boot_index(boot_index, &local_err); |
| 122 | if (local_err) { |
| 123 | goto out; |
| 124 | } |
| 125 | /* change bootindex to a new one */ |
| 126 | s->c.bootindex = boot_index; |
| 127 | |
| 128 | out: |
| 129 | error_propagate(errp, local_err); |
| 130 | } |
| 131 | |
| 132 | static void isa_ne2000_instance_init(Object *obj) |
| 133 | { |
| 134 | object_property_add(obj, "bootindex", "int32", |
| 135 | isa_ne2000_get_bootindex, |
| 136 | isa_ne2000_set_bootindex, NULL, NULL); |
| 137 | object_property_set_int(obj, "bootindex", -1, NULL); |
| 138 | } |
| 139 | static const TypeInfo ne2000_isa_info = { |
| 140 | .name = TYPE_ISA_NE2000, |
| 141 | .parent = TYPE_ISA_DEVICE, |
| 142 | .instance_size = sizeof(ISANE2000State), |
| 143 | .class_init = isa_ne2000_class_initfn, |
| 144 | .instance_init = isa_ne2000_instance_init, |
| 145 | }; |
| 146 | |
| 147 | static void ne2000_isa_register_types(void) |
| 148 | { |
| 149 | type_register_static(&ne2000_isa_info); |
| 150 | } |
| 151 | |
| 152 | type_init(ne2000_isa_register_types) |