LXR qemu/hw/ide/isa.c

   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#include <hw/hw.h>
  26#include <hw/pc.h>
  27#include <hw/isa.h>
  28#include "block.h"
  29#include "dma.h"
  30
  31#include <hw/ide/internal.h>
  32
  33/***********************************************************/
  34/* ISA IDE definitions */
  35
  36typedef struct ISAIDEState {
  37    ISADevice dev;
  38    IDEBus    bus;
  39    uint32_t  iobase;
  40    uint32_t  iobase2;
  41    uint32_t  isairq;
  42    qemu_irq  irq;
  43} ISAIDEState;
  44
  45static void isa_ide_reset(DeviceState *d)
  46{
  47    ISAIDEState *s = container_of(d, ISAIDEState, dev.qdev);
  48
  49    ide_bus_reset(&s->bus);
  50}
  51
  52static const VMStateDescription vmstate_ide_isa = {
  53    .name = "isa-ide",
  54    .version_id = 3,
  55    .minimum_version_id = 0,
  56    .minimum_version_id_old = 0,
  57    .fields      = (VMStateField []) {
  58        VMSTATE_IDE_BUS(bus, ISAIDEState),
  59        VMSTATE_IDE_DRIVES(bus.ifs, ISAIDEState),
  60        VMSTATE_END_OF_LIST()
  61    }
  62};
  63
  64static int isa_ide_initfn(ISADevice *dev)
  65{
  66    ISAIDEState *s = DO_UPCAST(ISAIDEState, dev, dev);
  67
  68    ide_bus_new(&s->bus, &s->dev.qdev, 0);
  69    ide_init_ioport(&s->bus, dev, s->iobase, s->iobase2);
  70    isa_init_irq(dev, &s->irq, s->isairq);
  71    ide_init2(&s->bus, s->irq);
  72    vmstate_register(&dev->qdev, 0, &vmstate_ide_isa, s);
  73    return 0;
  74};
  75
  76ISADevice *isa_ide_init(ISABus *bus, int iobase, int iobase2, int isairq,
  77                        DriveInfo *hd0, DriveInfo *hd1)
  78{
  79    ISADevice *dev;
  80    ISAIDEState *s;
  81
  82    dev = isa_create(bus, "isa-ide");
  83    qdev_prop_set_uint32(&dev->qdev, "iobase",  iobase);
  84    qdev_prop_set_uint32(&dev->qdev, "iobase2", iobase2);
  85    qdev_prop_set_uint32(&dev->qdev, "irq",     isairq);
  86    if (qdev_init(&dev->qdev) < 0)
  87        return NULL;
  88
  89    s = DO_UPCAST(ISAIDEState, dev, dev);
  90    if (hd0)
  91        ide_create_drive(&s->bus, 0, hd0);
  92    if (hd1)
  93        ide_create_drive(&s->bus, 1, hd1);
  94    return dev;
  95}
  96
  97static Property isa_ide_properties[] = {
  98    DEFINE_PROP_HEX32("iobase",  ISAIDEState, iobase,  0x1f0),
  99    DEFINE_PROP_HEX32("iobase2", ISAIDEState, iobase2, 0x3f6),
 100    DEFINE_PROP_UINT32("irq",    ISAIDEState, isairq,  14),
 101    DEFINE_PROP_END_OF_LIST(),
 102};
 103
 104static void isa_ide_class_initfn(ObjectClass *klass, void *data)
 105{
 106    DeviceClass *dc = DEVICE_CLASS(klass);
 107    ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);
 108    ic->init = isa_ide_initfn;
 109    dc->fw_name = "ide";
 110    dc->reset = isa_ide_reset;
 111    dc->props = isa_ide_properties;
 112}
 113
 114static TypeInfo isa_ide_info = {
 115    .name          = "isa-ide",
 116    .parent        = TYPE_ISA_DEVICE,
 117    .instance_size = sizeof(ISAIDEState),
 118    .class_init    = isa_ide_class_initfn,
 119};
 120
 121static void isa_ide_register_types(void)
 122{
 123    type_register_static(&isa_ide_info);
 124}
 125
 126type_init(isa_ide_register_types)
 127