2009-09-15 21:23:34 +02:00
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/*
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* ide bus support for qdev.
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*
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* Copyright (c) 2009 Gerd Hoffmann <kraxel@redhat.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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2016-01-26 19:17:09 +01:00
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#include "qemu/osdep.h"
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2009-09-15 21:23:34 +02:00
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#include <hw/hw.h>
|
2012-12-17 18:20:04 +01:00
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#include "sysemu/dma.h"
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2012-12-17 18:20:00 +01:00
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#include "qemu/error-report.h"
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2009-09-15 21:23:34 +02:00
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#include <hw/ide/internal.h>
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2014-10-07 13:59:13 +02:00
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#include "sysemu/block-backend.h"
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2012-12-17 18:20:04 +01:00
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#include "sysemu/blockdev.h"
|
2013-02-05 17:06:20 +01:00
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#include "hw/block/block.h"
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2012-12-17 18:20:04 +01:00
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#include "sysemu/sysemu.h"
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2014-10-07 10:00:29 +02:00
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#include "qapi/visitor.h"
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2009-09-15 21:23:34 +02:00
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/* --------------------------------- */
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2010-12-08 12:34:59 +01:00
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static char *idebus_get_fw_dev_path(DeviceState *dev);
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2012-03-28 18:01:36 +02:00
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static Property ide_props[] = {
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DEFINE_PROP_UINT32("unit", IDEDevice, unit, -1),
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DEFINE_PROP_END_OF_LIST(),
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};
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2012-05-02 09:00:20 +02:00
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static void ide_bus_class_init(ObjectClass *klass, void *data)
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|
|
{
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BusClass *k = BUS_CLASS(klass);
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k->get_fw_dev_path = idebus_get_fw_dev_path;
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}
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static const TypeInfo ide_bus_info = {
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.name = TYPE_IDE_BUS,
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.parent = TYPE_BUS,
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.instance_size = sizeof(IDEBus),
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.class_init = ide_bus_class_init,
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2009-09-15 21:23:34 +02:00
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};
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2013-08-23 20:18:50 +02:00
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void ide_bus_new(IDEBus *idebus, size_t idebus_size, DeviceState *dev,
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int bus_id, int max_units)
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2009-09-15 21:23:34 +02:00
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{
|
2013-08-24 00:02:27 +02:00
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qbus_create_inplace(idebus, idebus_size, TYPE_IDE_BUS, dev, NULL);
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2010-12-08 12:34:58 +01:00
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idebus->bus_id = bus_id;
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2013-05-06 15:58:04 +02:00
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idebus->max_units = max_units;
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2009-09-15 21:23:34 +02:00
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}
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2010-12-08 12:34:59 +01:00
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static char *idebus_get_fw_dev_path(DeviceState *dev)
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{
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char path[30];
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|
2014-08-15 13:32:37 +02:00
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snprintf(path, sizeof(path), "%s@%x", qdev_fw_name(dev),
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2010-12-08 12:34:59 +01:00
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((IDEBus*)dev->parent_bus)->bus_id);
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scsi, pci, qdev, isa-bus, sysbus: don't let *_get_fw_dev_path return NULL
Use g_strdup rather than strdup, because the sole caller
(qdev_get_fw_dev_path_helper) assumes it gets non-NULL, and dereferences
it. Besides, in that caller, the allocated buffer is already freed with
g_free, so it's better to allocate with a matching g_strdup.
In one case, (scsi-bus.c) it was trivial, so I replaced an snprintf+
g_strdup combination with an equivalent g_strdup_printf use.
Signed-off-by: Jim Meyering <meyering@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-10-04 13:09:44 +02:00
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return g_strdup(path);
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2010-12-08 12:34:59 +01:00
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}
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2011-12-09 22:02:56 +01:00
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static int ide_qdev_init(DeviceState *qdev)
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2009-09-15 21:23:34 +02:00
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{
|
2011-12-16 20:41:12 +01:00
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IDEDevice *dev = IDE_DEVICE(qdev);
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IDEDeviceClass *dc = IDE_DEVICE_GET_CLASS(dev);
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2009-09-15 21:23:34 +02:00
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IDEBus *bus = DO_UPCAST(IDEBus, qbus, qdev->parent_bus);
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|
2014-10-07 13:59:18 +02:00
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if (!dev->conf.blk) {
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2010-06-28 08:36:53 +02:00
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error_report("No drive specified");
|
2009-09-15 21:23:34 +02:00
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goto err;
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}
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if (dev->unit == -1) {
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dev->unit = bus->master ? 1 : 0;
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}
|
2013-05-06 15:58:04 +02:00
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if (dev->unit >= bus->max_units) {
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error_report("Can't create IDE unit %d, bus supports only %d units",
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dev->unit, bus->max_units);
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goto err;
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}
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2009-09-15 21:23:34 +02:00
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switch (dev->unit) {
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case 0:
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if (bus->master) {
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2010-06-28 08:36:53 +02:00
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error_report("IDE unit %d is in use", dev->unit);
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2009-09-15 21:23:34 +02:00
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goto err;
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}
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bus->master = dev;
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break;
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case 1:
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if (bus->slave) {
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2010-06-28 08:36:53 +02:00
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error_report("IDE unit %d is in use", dev->unit);
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2009-09-15 21:23:34 +02:00
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goto err;
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}
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bus->slave = dev;
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break;
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default:
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2010-06-28 08:36:53 +02:00
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error_report("Invalid IDE unit %d", dev->unit);
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2009-09-15 21:23:34 +02:00
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goto err;
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}
|
2011-12-16 20:41:12 +01:00
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return dc->init(dev);
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2009-09-15 21:23:34 +02:00
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err:
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return -1;
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}
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IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive)
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|
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{
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DeviceState *dev;
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|
2011-05-16 15:04:56 +02:00
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dev = qdev_create(&bus->qbus, drive->media_cd ? "ide-cd" : "ide-hd");
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2009-09-15 21:23:34 +02:00
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qdev_prop_set_uint32(dev, "unit", unit);
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2015-12-10 17:29:15 +01:00
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qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(drive),
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&error_fatal);
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2010-06-25 18:53:22 +02:00
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qdev_init_nofail(dev);
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2009-09-15 21:23:34 +02:00
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return DO_UPCAST(IDEDevice, qdev, dev);
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}
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|
2012-07-10 11:12:38 +02:00
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int ide_get_geometry(BusState *bus, int unit,
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int16_t *cyls, int8_t *heads, int8_t *secs)
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2010-06-24 19:58:20 +02:00
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{
|
2012-07-10 11:12:38 +02:00
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IDEState *s = &DO_UPCAST(IDEBus, qbus, bus)->ifs[unit];
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2014-10-07 13:59:18 +02:00
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if (s->drive_kind != IDE_HD || !s->blk) {
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2012-07-10 11:12:38 +02:00
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return -1;
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}
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*cyls = s->cylinders;
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*heads = s->heads;
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*secs = s->sectors;
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return 0;
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}
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int ide_get_bios_chs_trans(BusState *bus, int unit)
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|
|
{
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return DO_UPCAST(IDEBus, qbus, bus)->ifs[unit].chs_trans;
|
2010-06-24 19:58:20 +02:00
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}
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2009-09-15 21:23:34 +02:00
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/* --------------------------------- */
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typedef struct IDEDrive {
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IDEDevice dev;
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} IDEDrive;
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|
2011-05-16 15:04:52 +02:00
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static int ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind)
|
2009-09-15 21:23:34 +02:00
|
|
|
{
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|
IDEBus *bus = DO_UPCAST(IDEBus, qbus, dev->qdev.parent_bus);
|
2010-06-01 20:32:32 +02:00
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|
IDEState *s = bus->ifs + dev->unit;
|
2014-08-12 04:12:54 +02:00
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Error *err = NULL;
|
2010-06-01 20:32:32 +02:00
|
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|
|
2013-02-08 14:06:14 +01:00
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|
if (dev->conf.discard_granularity == -1) {
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|
dev->conf.discard_granularity = 512;
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|
|
} else if (dev->conf.discard_granularity &&
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|
dev->conf.discard_granularity != 512) {
|
2011-05-19 10:58:19 +02:00
|
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|
error_report("discard_granularity must be 512 for ide");
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|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2015-02-16 12:47:58 +01:00
|
|
|
blkconf_blocksizes(&dev->conf);
|
2014-12-03 13:21:32 +01:00
|
|
|
if (dev->conf.logical_block_size != 512) {
|
|
|
|
error_report("logical_block_size must be 512 for IDE");
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2012-07-11 15:08:37 +02:00
|
|
|
blkconf_serial(&dev->conf, &dev->serial);
|
2014-08-12 04:12:54 +02:00
|
|
|
if (kind != IDE_CD) {
|
2016-01-25 20:34:40 +01:00
|
|
|
blkconf_geometry(&dev->conf, &dev->chs_trans, 65535, 16, 255, &err);
|
2014-08-12 04:12:54 +02:00
|
|
|
if (err) {
|
2015-02-12 13:55:05 +01:00
|
|
|
error_report_err(err);
|
2014-08-12 04:12:54 +02:00
|
|
|
return -1;
|
|
|
|
}
|
2012-07-10 11:12:44 +02:00
|
|
|
}
|
|
|
|
|
2014-10-07 13:59:18 +02:00
|
|
|
if (ide_init_drive(s, dev->conf.blk, kind,
|
2012-07-11 15:08:37 +02:00
|
|
|
dev->version, dev->serial, dev->model, dev->wwn,
|
2012-07-10 11:12:44 +02:00
|
|
|
dev->conf.cyls, dev->conf.heads, dev->conf.secs,
|
2012-07-10 11:12:48 +02:00
|
|
|
dev->chs_trans) < 0) {
|
2010-06-28 19:07:51 +02:00
|
|
|
return -1;
|
|
|
|
}
|
2010-06-01 20:32:32 +02:00
|
|
|
|
2010-06-01 20:32:33 +02:00
|
|
|
if (!dev->version) {
|
2011-08-21 05:09:37 +02:00
|
|
|
dev->version = g_strdup(s->version);
|
2010-06-01 20:32:33 +02:00
|
|
|
}
|
2010-06-01 20:32:32 +02:00
|
|
|
if (!dev->serial) {
|
2011-08-21 05:09:37 +02:00
|
|
|
dev->serial = g_strdup(s->drive_serial_str);
|
2010-06-01 20:32:32 +02:00
|
|
|
}
|
2010-12-08 12:35:05 +01:00
|
|
|
|
|
|
|
add_boot_device_path(dev->conf.bootindex, &dev->qdev,
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|
|
|
dev->unit ? "/disk@1" : "/disk@0");
|
|
|
|
|
2009-09-15 21:23:34 +02:00
|
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|
return 0;
|
|
|
|
}
|
|
|
|
|
2014-10-07 10:00:29 +02:00
|
|
|
static void ide_dev_get_bootindex(Object *obj, Visitor *v, void *opaque,
|
|
|
|
const char *name, Error **errp)
|
|
|
|
{
|
|
|
|
IDEDevice *d = IDE_DEVICE(obj);
|
|
|
|
|
|
|
|
visit_type_int32(v, &d->conf.bootindex, name, errp);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ide_dev_set_bootindex(Object *obj, Visitor *v, void *opaque,
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|
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const char *name, Error **errp)
|
|
|
|
{
|
|
|
|
IDEDevice *d = IDE_DEVICE(obj);
|
|
|
|
int32_t boot_index;
|
|
|
|
Error *local_err = NULL;
|
|
|
|
|
|
|
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visit_type_int32(v, &boot_index, name, &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;
|
|
|
|
|
2014-10-07 10:00:35 +02:00
|
|
|
if (d->unit != -1) {
|
|
|
|
add_boot_device_path(d->conf.bootindex, &d->qdev,
|
|
|
|
d->unit ? "/disk@1" : "/disk@0");
|
|
|
|
}
|
2014-10-07 10:00:29 +02:00
|
|
|
out:
|
|
|
|
if (local_err) {
|
|
|
|
error_propagate(errp, local_err);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void ide_dev_instance_init(Object *obj)
|
|
|
|
{
|
|
|
|
object_property_add(obj, "bootindex", "int32",
|
|
|
|
ide_dev_get_bootindex,
|
|
|
|
ide_dev_set_bootindex, NULL, NULL, NULL);
|
2014-10-07 10:00:35 +02:00
|
|
|
object_property_set_int(obj, -1, "bootindex", NULL);
|
2014-10-07 10:00:29 +02:00
|
|
|
}
|
|
|
|
|
2011-05-16 15:04:52 +02:00
|
|
|
static int ide_hd_initfn(IDEDevice *dev)
|
|
|
|
{
|
|
|
|
return ide_dev_initfn(dev, IDE_HD);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int ide_cd_initfn(IDEDevice *dev)
|
|
|
|
{
|
|
|
|
return ide_dev_initfn(dev, IDE_CD);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int ide_drive_initfn(IDEDevice *dev)
|
|
|
|
{
|
2014-10-07 13:59:18 +02:00
|
|
|
DriveInfo *dinfo = blk_legacy_dinfo(dev->conf.blk);
|
2011-05-16 15:04:56 +02:00
|
|
|
|
2014-10-07 13:59:22 +02:00
|
|
|
return ide_dev_initfn(dev, dinfo && dinfo->media_cd ? IDE_CD : IDE_HD);
|
2011-05-16 15:04:52 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
#define DEFINE_IDE_DEV_PROPERTIES() \
|
|
|
|
DEFINE_BLOCK_PROPERTIES(IDEDrive, dev.conf), \
|
|
|
|
DEFINE_PROP_STRING("ver", IDEDrive, dev.version), \
|
2014-02-08 11:01:53 +01:00
|
|
|
DEFINE_PROP_UINT64("wwn", IDEDrive, dev.wwn, 0), \
|
2012-03-12 21:05:09 +01:00
|
|
|
DEFINE_PROP_STRING("serial", IDEDrive, dev.serial),\
|
|
|
|
DEFINE_PROP_STRING("model", IDEDrive, dev.model)
|
2011-05-16 15:04:52 +02:00
|
|
|
|
2011-12-08 04:34:16 +01:00
|
|
|
static Property ide_hd_properties[] = {
|
|
|
|
DEFINE_IDE_DEV_PROPERTIES(),
|
2012-07-10 11:12:44 +02:00
|
|
|
DEFINE_BLOCK_CHS_PROPERTIES(IDEDrive, dev.conf),
|
2012-07-10 11:12:48 +02:00
|
|
|
DEFINE_PROP_BIOS_CHS_TRANS("bios-chs-trans",
|
|
|
|
IDEDrive, dev.chs_trans, BIOS_ATA_TRANSLATION_AUTO),
|
2011-12-08 04:34:16 +01:00
|
|
|
DEFINE_PROP_END_OF_LIST(),
|
|
|
|
};
|
|
|
|
|
2011-12-16 20:41:12 +01:00
|
|
|
static void ide_hd_class_init(ObjectClass *klass, void *data)
|
|
|
|
{
|
2011-12-08 04:34:16 +01:00
|
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
2011-12-16 20:41:12 +01:00
|
|
|
IDEDeviceClass *k = IDE_DEVICE_CLASS(klass);
|
|
|
|
k->init = ide_hd_initfn;
|
2011-12-08 04:34:16 +01:00
|
|
|
dc->fw_name = "drive";
|
|
|
|
dc->desc = "virtual IDE disk";
|
|
|
|
dc->props = ide_hd_properties;
|
2011-12-16 20:41:12 +01:00
|
|
|
}
|
|
|
|
|
2013-01-10 16:19:07 +01:00
|
|
|
static const TypeInfo ide_hd_info = {
|
2011-12-08 04:34:16 +01:00
|
|
|
.name = "ide-hd",
|
|
|
|
.parent = TYPE_IDE_DEVICE,
|
|
|
|
.instance_size = sizeof(IDEDrive),
|
|
|
|
.class_init = ide_hd_class_init,
|
|
|
|
};
|
|
|
|
|
|
|
|
static Property ide_cd_properties[] = {
|
|
|
|
DEFINE_IDE_DEV_PROPERTIES(),
|
|
|
|
DEFINE_PROP_END_OF_LIST(),
|
2009-09-15 21:23:34 +02:00
|
|
|
};
|
|
|
|
|
2011-12-16 20:41:12 +01:00
|
|
|
static void ide_cd_class_init(ObjectClass *klass, void *data)
|
2009-09-15 21:23:34 +02:00
|
|
|
{
|
2011-12-08 04:34:16 +01:00
|
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
2011-12-16 20:41:12 +01:00
|
|
|
IDEDeviceClass *k = IDE_DEVICE_CLASS(klass);
|
|
|
|
k->init = ide_cd_initfn;
|
2011-12-08 04:34:16 +01:00
|
|
|
dc->fw_name = "drive";
|
|
|
|
dc->desc = "virtual IDE CD-ROM";
|
|
|
|
dc->props = ide_cd_properties;
|
2011-12-16 20:41:12 +01:00
|
|
|
}
|
2011-05-16 15:04:52 +02:00
|
|
|
|
2013-01-10 16:19:07 +01:00
|
|
|
static const TypeInfo ide_cd_info = {
|
2011-12-08 04:34:16 +01:00
|
|
|
.name = "ide-cd",
|
|
|
|
.parent = TYPE_IDE_DEVICE,
|
|
|
|
.instance_size = sizeof(IDEDrive),
|
|
|
|
.class_init = ide_cd_class_init,
|
|
|
|
};
|
|
|
|
|
|
|
|
static Property ide_drive_properties[] = {
|
|
|
|
DEFINE_IDE_DEV_PROPERTIES(),
|
|
|
|
DEFINE_PROP_END_OF_LIST(),
|
2011-12-16 20:41:12 +01:00
|
|
|
};
|
|
|
|
|
|
|
|
static void ide_drive_class_init(ObjectClass *klass, void *data)
|
|
|
|
{
|
2011-12-08 04:34:16 +01:00
|
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
2011-12-16 20:41:12 +01:00
|
|
|
IDEDeviceClass *k = IDE_DEVICE_CLASS(klass);
|
|
|
|
k->init = ide_drive_initfn;
|
2011-12-08 04:34:16 +01:00
|
|
|
dc->fw_name = "drive";
|
|
|
|
dc->desc = "virtual IDE disk or CD-ROM (legacy)";
|
|
|
|
dc->props = ide_drive_properties;
|
2011-12-16 20:41:12 +01:00
|
|
|
}
|
|
|
|
|
2013-01-10 16:19:07 +01:00
|
|
|
static const TypeInfo ide_drive_info = {
|
2011-12-08 04:34:16 +01:00
|
|
|
.name = "ide-drive",
|
|
|
|
.parent = TYPE_IDE_DEVICE,
|
|
|
|
.instance_size = sizeof(IDEDrive),
|
|
|
|
.class_init = ide_drive_class_init,
|
2011-12-16 20:41:12 +01:00
|
|
|
};
|
|
|
|
|
2011-12-08 04:34:16 +01:00
|
|
|
static void ide_device_class_init(ObjectClass *klass, void *data)
|
|
|
|
{
|
|
|
|
DeviceClass *k = DEVICE_CLASS(klass);
|
|
|
|
k->init = ide_qdev_init;
|
2013-07-29 16:17:45 +02:00
|
|
|
set_bit(DEVICE_CATEGORY_STORAGE, k->categories);
|
2012-05-02 09:00:20 +02:00
|
|
|
k->bus_type = TYPE_IDE_BUS;
|
2012-03-28 18:12:47 +02:00
|
|
|
k->props = ide_props;
|
2011-12-08 04:34:16 +01:00
|
|
|
}
|
|
|
|
|
2013-01-10 16:19:07 +01:00
|
|
|
static const TypeInfo ide_device_type_info = {
|
2011-12-16 20:41:12 +01:00
|
|
|
.name = TYPE_IDE_DEVICE,
|
|
|
|
.parent = TYPE_DEVICE,
|
|
|
|
.instance_size = sizeof(IDEDevice),
|
|
|
|
.abstract = true,
|
|
|
|
.class_size = sizeof(IDEDeviceClass),
|
2011-12-08 04:34:16 +01:00
|
|
|
.class_init = ide_device_class_init,
|
2014-10-07 10:00:29 +02:00
|
|
|
.instance_init = ide_dev_instance_init,
|
2011-12-16 20:41:12 +01:00
|
|
|
};
|
|
|
|
|
2012-02-09 15:20:55 +01:00
|
|
|
static void ide_register_types(void)
|
2011-12-16 20:41:12 +01:00
|
|
|
{
|
2012-05-02 09:00:20 +02:00
|
|
|
type_register_static(&ide_bus_info);
|
2011-12-08 04:34:16 +01:00
|
|
|
type_register_static(&ide_hd_info);
|
|
|
|
type_register_static(&ide_cd_info);
|
|
|
|
type_register_static(&ide_drive_info);
|
2011-12-16 20:41:12 +01:00
|
|
|
type_register_static(&ide_device_type_info);
|
2009-09-15 21:23:34 +02:00
|
|
|
}
|
2012-02-09 15:20:55 +01:00
|
|
|
|
|
|
|
type_init(ide_register_types)
|