static void
ide_local_device_init (IdeLocalDevice *self)
{
IdeLocalDevicePrivate *priv = ide_local_device_get_instance_private (self);
priv->system_type = get_system_type ();
priv->config = g_key_file_new ();
g_key_file_set_string (priv->config, "autoconf", "--host", priv->system_type);
ide_device_set_display_name (IDE_DEVICE (self), g_get_host_name ());
ide_device_set_id (IDE_DEVICE (self), "local");
}
static void ide_dev_set_bootindex(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
IDEDevice *d = IDE_DEVICE(obj);
int32_t boot_index;
Error *local_err = NULL;
visit_type_int32(v, name, &boot_index, &local_err);
if (local_err) {
goto out;
}
/* check whether bootindex is present in fw_boot_order list */
check_boot_index(boot_index, &local_err);
if (local_err) {
goto out;
}
/* change bootindex to a new one */
d->conf.bootindex = boot_index;
if (d->unit != -1) {
add_boot_device_path(d->conf.bootindex, &d->qdev,
d->unit ? "/disk@1" : "/disk@0");
}
out:
error_propagate(errp, local_err);
}
static void ide_dev_get_bootindex(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
IDEDevice *d = IDE_DEVICE(obj);
visit_type_int32(v, name, &d->conf.bootindex, errp);
}
static void ide_detect_devices(UWORD ifnum)
{
volatile struct IDE *interface = ide_interface + ifnum;
struct IFINFO *info = ifinfo + ifnum;
UBYTE status;
UWORD signature;
int i;
MAYBE_UNUSED(interface);
IDE_WRITE_CONTROL(IDE_CONTROL_nIEN); /* no interrupts please */
/* initial check for devices */
for (i = 0; i < 2; i++) {
IDE_WRITE_HEAD(IDE_DEVICE(i));
DELAY_400NS;
IDE_WRITE_SECTOR_NUMBER_SECTOR_COUNT(0xaa,0x55);
IDE_WRITE_SECTOR_NUMBER_SECTOR_COUNT(0x55,0xaa);
IDE_WRITE_SECTOR_NUMBER_SECTOR_COUNT(0xaa,0x55);
if (IDE_READ_SECTOR_NUMBER_SECTOR_COUNT() == 0xaa55) {
info->dev[i].type = DEVTYPE_UNKNOWN;
KDEBUG(("IDE i/f %d device %d detected\n",ifnum,i));
} else
info->dev[i].type = DEVTYPE_NONE;
info->dev[i].options = 0;
info->dev[i].spi = 0; /* changed if using READ/WRITE MULTIPLE */
}
/* recheck after soft reset, also detect ata/atapi */
IDE_WRITE_HEAD(IDE_DEVICE(0));
DELAY_400NS;
ide_reset(ifnum);
for (i = 0; i < 2; i++) {
IDE_WRITE_HEAD(IDE_DEVICE(i));
DELAY_400NS;
if (IDE_READ_SECTOR_NUMBER_SECTOR_COUNT() == 0x0101) {
status = IDE_READ_STATUS();
signature = IDE_READ_CYLINDER_HIGH_CYLINDER_LOW();
info->dev[i].type = ide_decode_type(status,signature);
}
}
for (i = 0; i < 2; i++)
KDEBUG(("IDE i/f %d device %d is type %d\n",ifnum,i,info->dev[i].type));
}
/*
* set a special value in the sector number/count registers of
* device 0 in the specified interface
*/
static void set_interface_magic(WORD ifnum)
{
volatile struct IDE *interface = ide_interface + ifnum;
UBYTE secnum = SECNUM_MAGIC + ifnum;
UBYTE seccnt = SECCNT_MAGIC + ifnum;
IDE_WRITE_CONTROL(IDE_CONTROL_nIEN);/* no interrupts please */
IDE_WRITE_HEAD(IDE_DEVICE(0));
DELAY_400NS;
IDE_WRITE_SECTOR_NUMBER_SECTOR_COUNT(secnum,seccnt);
}
/*
* select device in IDE registers
*/
static int ide_select_device(volatile struct IDE *interface,UWORD dev)
{
KDEBUG(("ide_select_device(0x%08lx, %u)\n", (ULONG)interface, dev));
if (wait_for_not_BSY_not_DRQ(interface,SHORT_TIMEOUT))
return ERR;
IDE_WRITE_HEAD(IDE_DEVICE(dev));
if (wait_for_not_BSY_not_DRQ(interface,SHORT_TIMEOUT))
return ERR;
return E_OK;
}
static int ide_qdev_init(DeviceState *qdev)
{
IDEDevice *dev = IDE_DEVICE(qdev);
IDEDeviceClass *dc = IDE_DEVICE_GET_CLASS(dev);
IDEBus *bus = DO_UPCAST(IDEBus, qbus, qdev->parent_bus);
if (!dev->conf.blk) {
error_report("No drive specified");
goto err;
}
if (dev->unit == -1) {
dev->unit = bus->master ? 1 : 0;
}
if (dev->unit >= bus->max_units) {
error_report("Can't create IDE unit %d, bus supports only %d units",
dev->unit, bus->max_units);
goto err;
}
switch (dev->unit) {
case 0:
if (bus->master) {
error_report("IDE unit %d is in use", dev->unit);
goto err;
}
bus->master = dev;
break;
case 1:
if (bus->slave) {
error_report("IDE unit %d is in use", dev->unit);
goto err;
}
bus->slave = dev;
break;
default:
error_report("Invalid IDE unit %d", dev->unit);
goto err;
}
return dc->init(dev);
err:
return -1;
}