diff options
Diffstat (limited to 'qemu/hw/ide/qdev.c')
| -rw-r--r-- | qemu/hw/ide/qdev.c | 370 |
1 files changed, 0 insertions, 370 deletions
diff --git a/qemu/hw/ide/qdev.c b/qemu/hw/ide/qdev.c deleted file mode 100644 index 4bc74a32d..000000000 --- a/qemu/hw/ide/qdev.c +++ /dev/null @@ -1,370 +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 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 <hw/hw.h> -#include "sysemu/dma.h" -#include "qapi/error.h" -#include "qemu/error-report.h" -#include <hw/ide/internal.h> -#include "sysemu/block-backend.h" -#include "sysemu/blockdev.h" -#include "hw/block/block.h" -#include "sysemu/sysemu.h" -#include "qapi/visitor.h" - -/* --------------------------------- */ - -static char *idebus_get_fw_dev_path(DeviceState *dev); - -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; -} - -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_new(IDEBus *idebus, size_t idebus_size, DeviceState *dev, - int bus_id, int max_units) -{ - qbus_create_inplace(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 int ide_qdev_init(DeviceState *qdev) -{ - IDEDevice *dev = IDE_DEVICE(qdev); - IDEDeviceClass *dc = IDE_DEVICE_GET_CLASS(dev); - IDEBus *bus = DO_UPCAST(IDEBus, qbus, qdev->parent_bus); - - if (!dev->conf.blk) { - error_report("No drive specified"); - goto err; - } - if (dev->unit == -1) { - dev->unit = bus->master ? 1 : 0; - } - - if (dev->unit >= bus->max_units) { - error_report("Can't create IDE unit %d, bus supports only %d units", - dev->unit, bus->max_units); - goto err; - } - - switch (dev->unit) { - case 0: - if (bus->master) { - error_report("IDE unit %d is in use", dev->unit); - goto err; - } - bus->master = dev; - break; - case 1: - if (bus->slave) { - error_report("IDE unit %d is in use", dev->unit); - goto err; - } - bus->slave = dev; - break; - default: - error_report("Invalid IDE unit %d", dev->unit); - goto err; - } - return dc->init(dev); - -err: - return -1; -} - -IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive) -{ - DeviceState *dev; - - dev = qdev_create(&bus->qbus, drive->media_cd ? "ide-cd" : "ide-hd"); - qdev_prop_set_uint32(dev, "unit", unit); - qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(drive), - &error_fatal); - qdev_init_nofail(dev); - 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; -} - -/* --------------------------------- */ - -typedef struct IDEDrive { - IDEDevice dev; -} IDEDrive; - -static int ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind) -{ - IDEBus *bus = DO_UPCAST(IDEBus, qbus, dev->qdev.parent_bus); - IDEState *s = bus->ifs + dev->unit; - Error *err = NULL; - - if (dev->conf.discard_granularity == -1) { - dev->conf.discard_granularity = 512; - } else if (dev->conf.discard_granularity && - dev->conf.discard_granularity != 512) { - error_report("discard_granularity must be 512 for ide"); - return -1; - } - - blkconf_blocksizes(&dev->conf); - if (dev->conf.logical_block_size != 512) { - error_report("logical_block_size must be 512 for IDE"); - return -1; - } - - blkconf_serial(&dev->conf, &dev->serial); - if (kind != IDE_CD) { - blkconf_geometry(&dev->conf, &dev->chs_trans, 65535, 16, 255, &err); - if (err) { - error_report_err(err); - return -1; - } - } - - 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) < 0) { - return -1; - } - - 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"); - - return 0; -} - -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; - - visit_type_int32(v, name, &boot_index, &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; - - if (d->unit != -1) { - add_boot_device_path(d->conf.bootindex, &d->qdev, - d->unit ? "/disk@1" : "/disk@0"); - } -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); - object_property_set_int(obj, -1, "bootindex", NULL); -} - -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) -{ - DriveInfo *dinfo = blk_legacy_dinfo(dev->conf.blk); - - return ide_dev_initfn(dev, dinfo && dinfo->media_cd ? IDE_CD : IDE_HD); -} - -#define DEFINE_IDE_DEV_PROPERTIES() \ - DEFINE_BLOCK_PROPERTIES(IDEDrive, dev.conf), \ - DEFINE_PROP_STRING("ver", IDEDrive, dev.version), \ - DEFINE_PROP_UINT64("wwn", IDEDrive, dev.wwn, 0), \ - DEFINE_PROP_STRING("serial", IDEDrive, dev.serial),\ - DEFINE_PROP_STRING("model", IDEDrive, dev.model) - -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_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->init = ide_hd_initfn; - dc->fw_name = "drive"; - dc->desc = "virtual IDE disk"; - dc->props = 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->init = ide_cd_initfn; - dc->fw_name = "drive"; - dc->desc = "virtual IDE CD-ROM"; - dc->props = 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 Property ide_drive_properties[] = { - DEFINE_IDE_DEV_PROPERTIES(), - DEFINE_PROP_END_OF_LIST(), -}; - -static void ide_drive_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS(klass); - IDEDeviceClass *k = IDE_DEVICE_CLASS(klass); - k->init = ide_drive_initfn; - dc->fw_name = "drive"; - dc->desc = "virtual IDE disk or CD-ROM (legacy)"; - dc->props = ide_drive_properties; -} - -static const TypeInfo ide_drive_info = { - .name = "ide-drive", - .parent = TYPE_IDE_DEVICE, - .instance_size = sizeof(IDEDrive), - .class_init = ide_drive_class_init, -}; - -static void ide_device_class_init(ObjectClass *klass, void *data) -{ - DeviceClass *k = DEVICE_CLASS(klass); - k->init = ide_qdev_init; - set_bit(DEVICE_CATEGORY_STORAGE, k->categories); - k->bus_type = TYPE_IDE_BUS; - k->props = 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_drive_info); - type_register_static(&ide_device_type_info); -} - -type_init(ide_register_types) |