hw/ide: Split qdev.c into ide-bus.c and ide-dev.c

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>

1 files changed, 0 insertions, 356 deletions

diff --git a/hw/ide/qdev.c b/hw/ide/qdev.c
deleted file mode 100644
index 4189313..0000000
--- a/hw/ide/qdev.c
+++ /dev/null
@@ -1,356 +0,0 @@
-/*
- * ide bus support for qdev.
- *
- * Copyright (c) 2009 Gerd Hoffmann <kraxel@redhat.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "qemu/osdep.h"
-#include "sysemu/dma.h"
-#include "qapi/error.h"
-#include "qapi/qapi-types-block.h"
-#include "qemu/error-report.h"
-#include "qemu/main-loop.h"
-#include "qemu/module.h"
-#include "hw/ide/ide-dev.h"
-#include "sysemu/block-backend.h"
-#include "sysemu/blockdev.h"
-#include "sysemu/sysemu.h"
-#include "sysemu/runstate.h"
-#include "qapi/visitor.h"
-
-/* --------------------------------- */
-
-static char *idebus_get_fw_dev_path(DeviceState *dev);
-static void idebus_unrealize(BusState *qdev);
-
-static Property ide_props[] = {
-    DEFINE_PROP_UINT32("unit", IDEDevice, unit, -1),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void ide_bus_class_init(ObjectClass *klass, void *data)
-{
-    BusClass *k = BUS_CLASS(klass);
-
-    k->get_fw_dev_path = idebus_get_fw_dev_path;
-    k->unrealize = idebus_unrealize;
-}
-
-static void idebus_unrealize(BusState *bus)
-{
-    IDEBus *ibus = IDE_BUS(bus);
-
-    if (ibus->vmstate) {
-        qemu_del_vm_change_state_handler(ibus->vmstate);
-    }
-}
-
-static const TypeInfo ide_bus_info = {
-    .name = TYPE_IDE_BUS,
-    .parent = TYPE_BUS,
-    .instance_size = sizeof(IDEBus),
-    .class_init = ide_bus_class_init,
-};
-
-void ide_bus_init(IDEBus *idebus, size_t idebus_size, DeviceState *dev,
-                 int bus_id, int max_units)
-{
-    qbus_init(idebus, idebus_size, TYPE_IDE_BUS, dev, NULL);
-    idebus->bus_id = bus_id;
-    idebus->max_units = max_units;
-}
-
-static char *idebus_get_fw_dev_path(DeviceState *dev)
-{
-    char path[30];
-
-    snprintf(path, sizeof(path), "%s@%x", qdev_fw_name(dev),
-             ((IDEBus*)dev->parent_bus)->bus_id);
-
-    return g_strdup(path);
-}
-
-static void ide_qdev_realize(DeviceState *qdev, Error **errp)
-{
-    IDEDevice *dev = IDE_DEVICE(qdev);
-    IDEDeviceClass *dc = IDE_DEVICE_GET_CLASS(dev);
-    IDEBus *bus = DO_UPCAST(IDEBus, qbus, qdev->parent_bus);
-
-    if (dev->unit == -1) {
-        dev->unit = bus->master ? 1 : 0;
-    }
-
-    if (dev->unit >= bus->max_units) {
-        error_setg(errp, "Can't create IDE unit %d, bus supports only %d units",
-                     dev->unit, bus->max_units);
-        return;
-    }
-
-    switch (dev->unit) {
-    case 0:
-        if (bus->master) {
-            error_setg(errp, "IDE unit %d is in use", dev->unit);
-            return;
-        }
-        bus->master = dev;
-        break;
-    case 1:
-        if (bus->slave) {
-            error_setg(errp, "IDE unit %d is in use", dev->unit);
-            return;
-        }
-        bus->slave = dev;
-        break;
-    default:
-        error_setg(errp, "Invalid IDE unit %d", dev->unit);
-        return;
-    }
-    dc->realize(dev, errp);
-}
-
-IDEDevice *ide_bus_create_drive(IDEBus *bus, int unit, DriveInfo *drive)
-{
-    DeviceState *dev;
-
-    dev = qdev_new(drive->media_cd ? "ide-cd" : "ide-hd");
-    qdev_prop_set_uint32(dev, "unit", unit);
-    qdev_prop_set_drive_err(dev, "drive", blk_by_legacy_dinfo(drive),
-                            &error_fatal);
-    qdev_realize_and_unref(dev, &bus->qbus, &error_fatal);
-    return DO_UPCAST(IDEDevice, qdev, dev);
-}
-
-int ide_get_geometry(BusState *bus, int unit,
-                     int16_t *cyls, int8_t *heads, int8_t *secs)
-{
-    IDEState *s = &DO_UPCAST(IDEBus, qbus, bus)->ifs[unit];
-
-    if (s->drive_kind != IDE_HD || !s->blk) {
-        return -1;
-    }
-
-    *cyls = s->cylinders;
-    *heads = s->heads;
-    *secs = s->sectors;
-    return 0;
-}
-
-int ide_get_bios_chs_trans(BusState *bus, int unit)
-{
-    return DO_UPCAST(IDEBus, qbus, bus)->ifs[unit].chs_trans;
-}
-
-/* --------------------------------- */
-
-void ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind, Error **errp)
-{
-    IDEBus *bus = DO_UPCAST(IDEBus, qbus, dev->qdev.parent_bus);
-    IDEState *s = bus->ifs + dev->unit;
-    int ret;
-
-    if (!dev->conf.blk) {
-        if (kind != IDE_CD) {
-            error_setg(errp, "No drive specified");
-            return;
-        } else {
-            /* Anonymous BlockBackend for an empty drive */
-            dev->conf.blk = blk_new(qemu_get_aio_context(), 0, BLK_PERM_ALL);
-            ret = blk_attach_dev(dev->conf.blk, &dev->qdev);
-            assert(ret == 0);
-        }
-    }
-
-    if (dev->conf.discard_granularity == -1) {
-        dev->conf.discard_granularity = 512;
-    } else if (dev->conf.discard_granularity &&
-               dev->conf.discard_granularity != 512) {
-        error_setg(errp, "discard_granularity must be 512 for ide");
-        return;
-    }
-
-    if (!blkconf_blocksizes(&dev->conf, errp)) {
-        return;
-    }
-
-    if (dev->conf.logical_block_size != 512) {
-        error_setg(errp, "logical_block_size must be 512 for IDE");
-        return;
-    }
-
-    if (kind != IDE_CD) {
-        if (!blkconf_geometry(&dev->conf, &dev->chs_trans, 65535, 16, 255,
-                              errp)) {
-            return;
-        }
-    }
-    if (!blkconf_apply_backend_options(&dev->conf, kind == IDE_CD,
-                                       kind != IDE_CD, errp)) {
-        return;
-    }
-
-    if (ide_init_drive(s, dev->conf.blk, kind,
-                       dev->version, dev->serial, dev->model, dev->wwn,
-                       dev->conf.cyls, dev->conf.heads, dev->conf.secs,
-                       dev->chs_trans, errp) < 0) {
-        return;
-    }
-
-    if (!dev->version) {
-        dev->version = g_strdup(s->version);
-    }
-    if (!dev->serial) {
-        dev->serial = g_strdup(s->drive_serial_str);
-    }
-
-    add_boot_device_path(dev->conf.bootindex, &dev->qdev,
-                         dev->unit ? "/disk@1" : "/disk@0");
-
-    add_boot_device_lchs(&dev->qdev, dev->unit ? "/disk@1" : "/disk@0",
-                         dev->conf.lcyls,
-                         dev->conf.lheads,
-                         dev->conf.lsecs);
-}
-
-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_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;
-
-    if (!visit_type_int32(v, name, &boot_index, errp)) {
-        return;
-    }
-    /* 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_instance_init(Object *obj)
-{
-    object_property_add(obj, "bootindex", "int32",
-                        ide_dev_get_bootindex,
-                        ide_dev_set_bootindex, NULL, NULL);
-    object_property_set_int(obj, "bootindex", -1, NULL);
-}
-
-static void ide_hd_realize(IDEDevice *dev, Error **errp)
-{
-    ide_dev_initfn(dev, IDE_HD, errp);
-}
-
-static void ide_cd_realize(IDEDevice *dev, Error **errp)
-{
-    ide_dev_initfn(dev, IDE_CD, errp);
-}
-
-static Property ide_hd_properties[] = {
-    DEFINE_IDE_DEV_PROPERTIES(),
-    DEFINE_BLOCK_CHS_PROPERTIES(IDEDrive, dev.conf),
-    DEFINE_PROP_BIOS_CHS_TRANS("bios-chs-trans",
-                IDEDrive, dev.chs_trans, BIOS_ATA_TRANSLATION_AUTO),
-    DEFINE_PROP_UINT16("rotation_rate", IDEDrive, dev.rotation_rate, 0),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void ide_hd_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    IDEDeviceClass *k = IDE_DEVICE_CLASS(klass);
-
-    k->realize  = ide_hd_realize;
-    dc->fw_name = "drive";
-    dc->desc    = "virtual IDE disk";
-    device_class_set_props(dc, ide_hd_properties);
-}
-
-static const TypeInfo ide_hd_info = {
-    .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(),
-};
-
-static void ide_cd_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    IDEDeviceClass *k = IDE_DEVICE_CLASS(klass);
-
-    k->realize  = ide_cd_realize;
-    dc->fw_name = "drive";
-    dc->desc    = "virtual IDE CD-ROM";
-    device_class_set_props(dc, ide_cd_properties);
-}
-
-static const TypeInfo ide_cd_info = {
-    .name          = "ide-cd",
-    .parent        = TYPE_IDE_DEVICE,
-    .instance_size = sizeof(IDEDrive),
-    .class_init    = ide_cd_class_init,
-};
-
-static void ide_device_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *k = DEVICE_CLASS(klass);
-    k->realize = ide_qdev_realize;
-    set_bit(DEVICE_CATEGORY_STORAGE, k->categories);
-    k->bus_type = TYPE_IDE_BUS;
-    device_class_set_props(k, ide_props);
-}
-
-static const TypeInfo ide_device_type_info = {
-    .name = TYPE_IDE_DEVICE,
-    .parent = TYPE_DEVICE,
-    .instance_size = sizeof(IDEDevice),
-    .abstract = true,
-    .class_size = sizeof(IDEDeviceClass),
-    .class_init = ide_device_class_init,
-    .instance_init = ide_dev_instance_init,
-};
-
-static void ide_register_types(void)
-{
-    type_register_static(&ide_bus_info);
-    type_register_static(&ide_hd_info);
-    type_register_static(&ide_cd_info);
-    type_register_static(&ide_device_type_info);
-}
-
-type_init(ide_register_types)