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 typedef struct ISAIDEState ISAIDEState; 42 DECLARE_INSTANCE_CHECKER(ISAIDEState, ISA_IDE, 43 TYPE_ISA_IDE) 44 45 struct ISAIDEState { 46 ISADevice parent_obj; 47 48 IDEBus bus; 49 uint32_t iobase; 50 uint32_t iobase2; 51 uint32_t isairq; 52 qemu_irq irq; 53 }; 54 55 static void isa_ide_reset(DeviceState *d) 56 { 57 ISAIDEState *s = ISA_IDE(d); 58 59 ide_bus_reset(&s->bus); 60 } 61 62 static const VMStateDescription vmstate_ide_isa = { 63 .name = "isa-ide", 64 .version_id = 3, 65 .minimum_version_id = 0, 66 .fields = (VMStateField[]) { 67 VMSTATE_IDE_BUS(bus, ISAIDEState), 68 VMSTATE_IDE_DRIVES(bus.ifs, ISAIDEState), 69 VMSTATE_END_OF_LIST() 70 } 71 }; 72 73 static void isa_ide_realizefn(DeviceState *dev, Error **errp) 74 { 75 ISADevice *isadev = ISA_DEVICE(dev); 76 ISAIDEState *s = ISA_IDE(dev); 77 78 ide_bus_new(&s->bus, sizeof(s->bus), dev, 0, 2); 79 ide_init_ioport(&s->bus, isadev, s->iobase, s->iobase2); 80 isa_init_irq(isadev, &s->irq, s->isairq); 81 ide_init2(&s->bus, s->irq); 82 vmstate_register(VMSTATE_IF(dev), 0, &vmstate_ide_isa, s); 83 ide_register_restart_cb(&s->bus); 84 } 85 86 ISADevice *isa_ide_init(ISABus *bus, int iobase, int iobase2, int isairq, 87 DriveInfo *hd0, DriveInfo *hd1) 88 { 89 DeviceState *dev; 90 ISADevice *isadev; 91 ISAIDEState *s; 92 93 isadev = isa_new(TYPE_ISA_IDE); 94 dev = DEVICE(isadev); 95 qdev_prop_set_uint32(dev, "iobase", iobase); 96 qdev_prop_set_uint32(dev, "iobase2", iobase2); 97 qdev_prop_set_uint32(dev, "irq", isairq); 98 isa_realize_and_unref(isadev, bus, &error_fatal); 99 100 s = ISA_IDE(dev); 101 if (hd0) { 102 ide_create_drive(&s->bus, 0, hd0); 103 } 104 if (hd1) { 105 ide_create_drive(&s->bus, 1, hd1); 106 } 107 return isadev; 108 } 109 110 static Property isa_ide_properties[] = { 111 DEFINE_PROP_UINT32("iobase", ISAIDEState, iobase, 0x1f0), 112 DEFINE_PROP_UINT32("iobase2", ISAIDEState, iobase2, 0x3f6), 113 DEFINE_PROP_UINT32("irq", ISAIDEState, isairq, 14), 114 DEFINE_PROP_END_OF_LIST(), 115 }; 116 117 static void isa_ide_class_initfn(ObjectClass *klass, void *data) 118 { 119 DeviceClass *dc = DEVICE_CLASS(klass); 120 121 dc->realize = isa_ide_realizefn; 122 dc->fw_name = "ide"; 123 dc->reset = isa_ide_reset; 124 device_class_set_props(dc, isa_ide_properties); 125 set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); 126 } 127 128 static const TypeInfo isa_ide_info = { 129 .name = TYPE_ISA_IDE, 130 .parent = TYPE_ISA_DEVICE, 131 .instance_size = sizeof(ISAIDEState), 132 .class_init = isa_ide_class_initfn, 133 }; 134 135 static void isa_ide_register_types(void) 136 { 137 type_register_static(&isa_ide_info); 138 } 139 140 type_init(isa_ide_register_types) 141