diff options
Diffstat (limited to 'hw/ide/qdev.c')
| -rw-r--r-- | hw/ide/qdev.c | 356 |
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) |