32cad1ffb8
Headers in include/sysemu/ are not only related to system *emulation*, they are also used by virtualization. Rename as system/ which is clearer. Files renamed manually then mechanical change using sed tool. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Tested-by: Lei Yang <leiyang@redhat.com> Message-Id: <20241203172445.28576-1-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 "system/block-backend.h"
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#include "system/blockdev.h"
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#include "system/runstate.h"
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#include "ide-internal.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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