7bd8b0d4f5
qdev.c is a mixture between IDE bus specific functions and IDE device functions. Let's split it up to make it more obvious which part is related to bus handling and which part is related to device handling. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Thomas Huth <thuth@redhat.com> Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Message-ID: <20240220085505.30255-3-thuth@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
112 lines
3.0 KiB
C
112 lines
3.0 KiB
C
/*
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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 2.1 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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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "qemu/error-report.h"
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#include "qemu/module.h"
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#include "hw/ide/internal.h"
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#include "sysemu/block-backend.h"
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#include "sysemu/blockdev.h"
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#include "sysemu/runstate.h"
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static char *idebus_get_fw_dev_path(DeviceState *dev);
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static void idebus_unrealize(BusState *qdev);
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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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k->unrealize = idebus_unrealize;
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}
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static void idebus_unrealize(BusState *bus)
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{
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IDEBus *ibus = IDE_BUS(bus);
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if (ibus->vmstate) {
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qemu_del_vm_change_state_handler(ibus->vmstate);
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}
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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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};
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void ide_bus_init(IDEBus *idebus, size_t idebus_size, DeviceState *dev,
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int bus_id, int max_units)
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{
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qbus_init(idebus, idebus_size, TYPE_IDE_BUS, dev, NULL);
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idebus->bus_id = bus_id;
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idebus->max_units = max_units;
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}
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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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snprintf(path, sizeof(path), "%s@%x", qdev_fw_name(dev),
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((IDEBus *)dev->parent_bus)->bus_id);
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return g_strdup(path);
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}
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IDEDevice *ide_bus_create_drive(IDEBus *bus, int unit, DriveInfo *drive)
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{
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DeviceState *dev;
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dev = qdev_new(drive->media_cd ? "ide-cd" : "ide-hd");
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qdev_prop_set_uint32(dev, "unit", unit);
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qdev_prop_set_drive_err(dev, "drive", blk_by_legacy_dinfo(drive),
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&error_fatal);
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qdev_realize_and_unref(dev, &bus->qbus, &error_fatal);
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return DO_UPCAST(IDEDevice, qdev, dev);
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}
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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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{
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IDEState *s = &DO_UPCAST(IDEBus, qbus, bus)->ifs[unit];
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if (s->drive_kind != IDE_HD || !s->blk) {
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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;
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}
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static void ide_bus_register_type(void)
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{
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type_register_static(&ide_bus_info);
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}
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type_init(ide_bus_register_type)
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