1 /* 2 * QEMU IDE Emulation: ISA Bus support. 3 * 4 * Copyright (c) 2003 Fabrice Bellard 5 * Copyright (c) 2006 Openedhand Ltd. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a copy 8 * of this software and associated documentation files (the "Software"), to deal 9 * in the Software without restriction, including without limitation the rights 10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 * copies of the Software, and to permit persons to whom the Software is 12 * furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 * THE SOFTWARE. 24 */ 25 26 #include "qemu/osdep.h" 27 #include "hw/isa/isa.h" 28 #include "hw/qdev-properties.h" 29 #include "migration/vmstate.h" 30 #include "qapi/error.h" 31 #include "qemu/module.h" 32 #include "sysemu/dma.h" 33 34 #include "hw/ide/internal.h" 35 #include "qom/object.h" 36 37 /***********************************************************/ 38 /* ISA IDE definitions */ 39 40 #define TYPE_ISA_IDE "isa-ide" 41 OBJECT_DECLARE_SIMPLE_TYPE(ISAIDEState, ISA_IDE) 42 43 struct ISAIDEState { 44 ISADevice parent_obj; 45 46 IDEBus bus; 47 uint32_t iobase; 48 uint32_t iobase2; 49 uint32_t isairq; 50 qemu_irq irq; 51 }; 52 53 static void isa_ide_reset(DeviceState *d) 54 { 55 ISAIDEState *s = ISA_IDE(d); 56 57 ide_bus_reset(&s->bus); 58 } 59 60 static const VMStateDescription vmstate_ide_isa = { 61 .name = "isa-ide", 62 .version_id = 3, 63 .minimum_version_id = 0, 64 .fields = (VMStateField[]) { 65 VMSTATE_IDE_BUS(bus, ISAIDEState), 66 VMSTATE_IDE_DRIVES(bus.ifs, ISAIDEState), 67 VMSTATE_END_OF_LIST() 68 } 69 }; 70 71 static void isa_ide_realizefn(DeviceState *dev, Error **errp) 72 { 73 ISADevice *isadev = ISA_DEVICE(dev); 74 ISAIDEState *s = ISA_IDE(dev); 75 76 ide_bus_init(&s->bus, sizeof(s->bus), dev, 0, 2); 77 ide_init_ioport(&s->bus, isadev, s->iobase, s->iobase2); 78 s->irq = isa_get_irq(isadev, s->isairq); 79 ide_init2(&s->bus, s->irq); 80 vmstate_register(VMSTATE_IF(dev), 0, &vmstate_ide_isa, s); 81 ide_register_restart_cb(&s->bus); 82 } 83 84 ISADevice *isa_ide_init(ISABus *bus, int iobase, int iobase2, int isairq, 85 DriveInfo *hd0, DriveInfo *hd1) 86 { 87 DeviceState *dev; 88 ISADevice *isadev; 89 ISAIDEState *s; 90 91 isadev = isa_new(TYPE_ISA_IDE); 92 dev = DEVICE(isadev); 93 qdev_prop_set_uint32(dev, "iobase", iobase); 94 qdev_prop_set_uint32(dev, "iobase2", iobase2); 95 qdev_prop_set_uint32(dev, "irq", isairq); 96 isa_realize_and_unref(isadev, bus, &error_fatal); 97 98 s = ISA_IDE(dev); 99 if (hd0) { 100 ide_create_drive(&s->bus, 0, hd0); 101 } 102 if (hd1) { 103 ide_create_drive(&s->bus, 1, hd1); 104 } 105 return isadev; 106 } 107 108 static Property isa_ide_properties[] = { 109 DEFINE_PROP_UINT32("iobase", ISAIDEState, iobase, 0x1f0), 110 DEFINE_PROP_UINT32("iobase2", ISAIDEState, iobase2, 0x3f6), 111 DEFINE_PROP_UINT32("irq", ISAIDEState, isairq, 14), 112 DEFINE_PROP_END_OF_LIST(), 113 }; 114 115 static void isa_ide_class_initfn(ObjectClass *klass, void *data) 116 { 117 DeviceClass *dc = DEVICE_CLASS(klass); 118 119 dc->realize = isa_ide_realizefn; 120 dc->fw_name = "ide"; 121 dc->reset = isa_ide_reset; 122 device_class_set_props(dc, isa_ide_properties); 123 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 124 } 125 126 static const TypeInfo isa_ide_info = { 127 .name = TYPE_ISA_IDE, 128 .parent = TYPE_ISA_DEVICE, 129 .instance_size = sizeof(ISAIDEState), 130 .class_init = isa_ide_class_initfn, 131 }; 132 133 static void isa_ide_register_types(void) 134 { 135 type_register_static(&isa_ide_info); 136 } 137 138 type_init(isa_ide_register_types) 139