17bd8b0d4SThomas Huth /* 27bd8b0d4SThomas Huth * IDE device functions 37bd8b0d4SThomas Huth * 47bd8b0d4SThomas Huth * Copyright (c) 2009 Gerd Hoffmann <kraxel@redhat.com> 57bd8b0d4SThomas Huth * 67bd8b0d4SThomas Huth * This library is free software; you can redistribute it and/or 77bd8b0d4SThomas Huth * modify it under the terms of the GNU Lesser General Public 87bd8b0d4SThomas Huth * License as published by the Free Software Foundation; either 97bd8b0d4SThomas Huth * version 2.1 of the License, or (at your option) any later version. 107bd8b0d4SThomas Huth * 117bd8b0d4SThomas Huth * This library is distributed in the hope that it will be useful, 127bd8b0d4SThomas Huth * but WITHOUT ANY WARRANTY; without even the implied warranty of 137bd8b0d4SThomas Huth * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 147bd8b0d4SThomas Huth * Lesser General Public License for more details. 157bd8b0d4SThomas Huth * 167bd8b0d4SThomas Huth * You should have received a copy of the GNU Lesser General Public 177bd8b0d4SThomas Huth * License along with this library; if not, see <http://www.gnu.org/licenses/>. 187bd8b0d4SThomas Huth */ 197bd8b0d4SThomas Huth 207bd8b0d4SThomas Huth #include "qemu/osdep.h" 217bd8b0d4SThomas Huth #include "qapi/error.h" 227bd8b0d4SThomas Huth #include "qapi/qapi-types-block.h" 237bd8b0d4SThomas Huth #include "qemu/error-report.h" 247bd8b0d4SThomas Huth #include "qemu/module.h" 257bd8b0d4SThomas Huth #include "hw/ide/ide-dev.h" 267bd8b0d4SThomas Huth #include "sysemu/block-backend.h" 277bd8b0d4SThomas Huth #include "sysemu/blockdev.h" 287bd8b0d4SThomas Huth #include "sysemu/sysemu.h" 297bd8b0d4SThomas Huth #include "qapi/visitor.h" 300316482eSPhilippe Mathieu-Daudé #include "ide-internal.h" 317bd8b0d4SThomas Huth 327bd8b0d4SThomas Huth static Property ide_props[] = { 337bd8b0d4SThomas Huth DEFINE_PROP_UINT32("unit", IDEDevice, unit, -1), 347bd8b0d4SThomas Huth DEFINE_PROP_END_OF_LIST(), 357bd8b0d4SThomas Huth }; 367bd8b0d4SThomas Huth 377bd8b0d4SThomas Huth static void ide_qdev_realize(DeviceState *qdev, Error **errp) 387bd8b0d4SThomas Huth { 397bd8b0d4SThomas Huth IDEDevice *dev = IDE_DEVICE(qdev); 407bd8b0d4SThomas Huth IDEDeviceClass *dc = IDE_DEVICE_GET_CLASS(dev); 417bd8b0d4SThomas Huth IDEBus *bus = DO_UPCAST(IDEBus, qbus, qdev->parent_bus); 427bd8b0d4SThomas Huth 437bd8b0d4SThomas Huth if (dev->unit == -1) { 447bd8b0d4SThomas Huth dev->unit = bus->master ? 1 : 0; 457bd8b0d4SThomas Huth } 467bd8b0d4SThomas Huth 477bd8b0d4SThomas Huth if (dev->unit >= bus->max_units) { 487bd8b0d4SThomas Huth error_setg(errp, "Can't create IDE unit %d, bus supports only %d units", 497bd8b0d4SThomas Huth dev->unit, bus->max_units); 507bd8b0d4SThomas Huth return; 517bd8b0d4SThomas Huth } 527bd8b0d4SThomas Huth 537bd8b0d4SThomas Huth switch (dev->unit) { 547bd8b0d4SThomas Huth case 0: 557bd8b0d4SThomas Huth if (bus->master) { 567bd8b0d4SThomas Huth error_setg(errp, "IDE unit %d is in use", dev->unit); 577bd8b0d4SThomas Huth return; 587bd8b0d4SThomas Huth } 597bd8b0d4SThomas Huth bus->master = dev; 607bd8b0d4SThomas Huth break; 617bd8b0d4SThomas Huth case 1: 627bd8b0d4SThomas Huth if (bus->slave) { 637bd8b0d4SThomas Huth error_setg(errp, "IDE unit %d is in use", dev->unit); 647bd8b0d4SThomas Huth return; 657bd8b0d4SThomas Huth } 667bd8b0d4SThomas Huth bus->slave = dev; 677bd8b0d4SThomas Huth break; 687bd8b0d4SThomas Huth default: 697bd8b0d4SThomas Huth error_setg(errp, "Invalid IDE unit %d", dev->unit); 707bd8b0d4SThomas Huth return; 717bd8b0d4SThomas Huth } 727bd8b0d4SThomas Huth dc->realize(dev, errp); 737bd8b0d4SThomas Huth } 747bd8b0d4SThomas Huth 757bd8b0d4SThomas Huth void ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind, Error **errp) 767bd8b0d4SThomas Huth { 777bd8b0d4SThomas Huth IDEBus *bus = DO_UPCAST(IDEBus, qbus, dev->qdev.parent_bus); 787bd8b0d4SThomas Huth IDEState *s = bus->ifs + dev->unit; 797bd8b0d4SThomas Huth int ret; 807bd8b0d4SThomas Huth 817bd8b0d4SThomas Huth if (!dev->conf.blk) { 827bd8b0d4SThomas Huth if (kind != IDE_CD) { 837bd8b0d4SThomas Huth error_setg(errp, "No drive specified"); 847bd8b0d4SThomas Huth return; 857bd8b0d4SThomas Huth } else { 867bd8b0d4SThomas Huth /* Anonymous BlockBackend for an empty drive */ 877bd8b0d4SThomas Huth dev->conf.blk = blk_new(qemu_get_aio_context(), 0, BLK_PERM_ALL); 887bd8b0d4SThomas Huth ret = blk_attach_dev(dev->conf.blk, &dev->qdev); 897bd8b0d4SThomas Huth assert(ret == 0); 907bd8b0d4SThomas Huth } 917bd8b0d4SThomas Huth } 927bd8b0d4SThomas Huth 937bd8b0d4SThomas Huth if (dev->conf.discard_granularity == -1) { 947bd8b0d4SThomas Huth dev->conf.discard_granularity = 512; 957bd8b0d4SThomas Huth } else if (dev->conf.discard_granularity && 967bd8b0d4SThomas Huth dev->conf.discard_granularity != 512) { 977bd8b0d4SThomas Huth error_setg(errp, "discard_granularity must be 512 for ide"); 987bd8b0d4SThomas Huth return; 997bd8b0d4SThomas Huth } 1007bd8b0d4SThomas Huth 1017bd8b0d4SThomas Huth if (!blkconf_blocksizes(&dev->conf, errp)) { 1027bd8b0d4SThomas Huth return; 1037bd8b0d4SThomas Huth } 1047bd8b0d4SThomas Huth 1057bd8b0d4SThomas Huth if (dev->conf.logical_block_size != 512) { 1067bd8b0d4SThomas Huth error_setg(errp, "logical_block_size must be 512 for IDE"); 1077bd8b0d4SThomas Huth return; 1087bd8b0d4SThomas Huth } 1097bd8b0d4SThomas Huth 1107bd8b0d4SThomas Huth if (kind != IDE_CD) { 1117bd8b0d4SThomas Huth if (!blkconf_geometry(&dev->conf, &dev->chs_trans, 65535, 16, 255, 1127bd8b0d4SThomas Huth errp)) { 1137bd8b0d4SThomas Huth return; 1147bd8b0d4SThomas Huth } 1157bd8b0d4SThomas Huth } 1167bd8b0d4SThomas Huth if (!blkconf_apply_backend_options(&dev->conf, kind == IDE_CD, 1177bd8b0d4SThomas Huth kind != IDE_CD, errp)) { 1187bd8b0d4SThomas Huth return; 1197bd8b0d4SThomas Huth } 1207bd8b0d4SThomas Huth 121*dcaff461SPaolo Bonzini if (ide_init_drive(s, dev, kind, errp) < 0) { 1227bd8b0d4SThomas Huth return; 1237bd8b0d4SThomas Huth } 1247bd8b0d4SThomas Huth 1257bd8b0d4SThomas Huth if (!dev->version) { 1267bd8b0d4SThomas Huth dev->version = g_strdup(s->version); 1277bd8b0d4SThomas Huth } 1287bd8b0d4SThomas Huth if (!dev->serial) { 1297bd8b0d4SThomas Huth dev->serial = g_strdup(s->drive_serial_str); 1307bd8b0d4SThomas Huth } 1317bd8b0d4SThomas Huth 1327bd8b0d4SThomas Huth add_boot_device_path(dev->conf.bootindex, &dev->qdev, 1337bd8b0d4SThomas Huth dev->unit ? "/disk@1" : "/disk@0"); 1347bd8b0d4SThomas Huth 1357bd8b0d4SThomas Huth add_boot_device_lchs(&dev->qdev, dev->unit ? "/disk@1" : "/disk@0", 1367bd8b0d4SThomas Huth dev->conf.lcyls, 1377bd8b0d4SThomas Huth dev->conf.lheads, 1387bd8b0d4SThomas Huth dev->conf.lsecs); 1397bd8b0d4SThomas Huth } 1407bd8b0d4SThomas Huth 1417bd8b0d4SThomas Huth static void ide_dev_get_bootindex(Object *obj, Visitor *v, const char *name, 1427bd8b0d4SThomas Huth void *opaque, Error **errp) 1437bd8b0d4SThomas Huth { 1447bd8b0d4SThomas Huth IDEDevice *d = IDE_DEVICE(obj); 1457bd8b0d4SThomas Huth 1467bd8b0d4SThomas Huth visit_type_int32(v, name, &d->conf.bootindex, errp); 1477bd8b0d4SThomas Huth } 1487bd8b0d4SThomas Huth 1497bd8b0d4SThomas Huth static void ide_dev_set_bootindex(Object *obj, Visitor *v, const char *name, 1507bd8b0d4SThomas Huth void *opaque, Error **errp) 1517bd8b0d4SThomas Huth { 1527bd8b0d4SThomas Huth IDEDevice *d = IDE_DEVICE(obj); 1537bd8b0d4SThomas Huth int32_t boot_index; 1547bd8b0d4SThomas Huth Error *local_err = NULL; 1557bd8b0d4SThomas Huth 1567bd8b0d4SThomas Huth if (!visit_type_int32(v, name, &boot_index, errp)) { 1577bd8b0d4SThomas Huth return; 1587bd8b0d4SThomas Huth } 1597bd8b0d4SThomas Huth /* check whether bootindex is present in fw_boot_order list */ 1607bd8b0d4SThomas Huth check_boot_index(boot_index, &local_err); 1617bd8b0d4SThomas Huth if (local_err) { 1627bd8b0d4SThomas Huth goto out; 1637bd8b0d4SThomas Huth } 1647bd8b0d4SThomas Huth /* change bootindex to a new one */ 1657bd8b0d4SThomas Huth d->conf.bootindex = boot_index; 1667bd8b0d4SThomas Huth 1677bd8b0d4SThomas Huth if (d->unit != -1) { 1687bd8b0d4SThomas Huth add_boot_device_path(d->conf.bootindex, &d->qdev, 1697bd8b0d4SThomas Huth d->unit ? "/disk@1" : "/disk@0"); 1707bd8b0d4SThomas Huth } 1717bd8b0d4SThomas Huth out: 1727bd8b0d4SThomas Huth error_propagate(errp, local_err); 1737bd8b0d4SThomas Huth } 1747bd8b0d4SThomas Huth 1757bd8b0d4SThomas Huth static void ide_dev_instance_init(Object *obj) 1767bd8b0d4SThomas Huth { 1777bd8b0d4SThomas Huth object_property_add(obj, "bootindex", "int32", 1787bd8b0d4SThomas Huth ide_dev_get_bootindex, 1797bd8b0d4SThomas Huth ide_dev_set_bootindex, NULL, NULL); 1807bd8b0d4SThomas Huth object_property_set_int(obj, "bootindex", -1, NULL); 1817bd8b0d4SThomas Huth } 1827bd8b0d4SThomas Huth 1837bd8b0d4SThomas Huth static void ide_hd_realize(IDEDevice *dev, Error **errp) 1847bd8b0d4SThomas Huth { 1857bd8b0d4SThomas Huth ide_dev_initfn(dev, IDE_HD, errp); 1867bd8b0d4SThomas Huth } 1877bd8b0d4SThomas Huth 1887bd8b0d4SThomas Huth static void ide_cd_realize(IDEDevice *dev, Error **errp) 1897bd8b0d4SThomas Huth { 1907bd8b0d4SThomas Huth ide_dev_initfn(dev, IDE_CD, errp); 1917bd8b0d4SThomas Huth } 1927bd8b0d4SThomas Huth 1937bd8b0d4SThomas Huth static Property ide_hd_properties[] = { 1947bd8b0d4SThomas Huth DEFINE_IDE_DEV_PROPERTIES(), 1957bd8b0d4SThomas Huth DEFINE_BLOCK_CHS_PROPERTIES(IDEDrive, dev.conf), 1967bd8b0d4SThomas Huth DEFINE_PROP_BIOS_CHS_TRANS("bios-chs-trans", 1977bd8b0d4SThomas Huth IDEDrive, dev.chs_trans, BIOS_ATA_TRANSLATION_AUTO), 1987bd8b0d4SThomas Huth DEFINE_PROP_UINT16("rotation_rate", IDEDrive, dev.rotation_rate, 0), 1997bd8b0d4SThomas Huth DEFINE_PROP_END_OF_LIST(), 2007bd8b0d4SThomas Huth }; 2017bd8b0d4SThomas Huth 2027bd8b0d4SThomas Huth static void ide_hd_class_init(ObjectClass *klass, void *data) 2037bd8b0d4SThomas Huth { 2047bd8b0d4SThomas Huth DeviceClass *dc = DEVICE_CLASS(klass); 2057bd8b0d4SThomas Huth IDEDeviceClass *k = IDE_DEVICE_CLASS(klass); 2067bd8b0d4SThomas Huth 2077bd8b0d4SThomas Huth k->realize = ide_hd_realize; 2087bd8b0d4SThomas Huth dc->fw_name = "drive"; 2097bd8b0d4SThomas Huth dc->desc = "virtual IDE disk"; 2107bd8b0d4SThomas Huth device_class_set_props(dc, ide_hd_properties); 2117bd8b0d4SThomas Huth } 2127bd8b0d4SThomas Huth 2137bd8b0d4SThomas Huth static const TypeInfo ide_hd_info = { 2147bd8b0d4SThomas Huth .name = "ide-hd", 2157bd8b0d4SThomas Huth .parent = TYPE_IDE_DEVICE, 2167bd8b0d4SThomas Huth .instance_size = sizeof(IDEDrive), 2177bd8b0d4SThomas Huth .class_init = ide_hd_class_init, 2187bd8b0d4SThomas Huth }; 2197bd8b0d4SThomas Huth 2207bd8b0d4SThomas Huth static Property ide_cd_properties[] = { 2217bd8b0d4SThomas Huth DEFINE_IDE_DEV_PROPERTIES(), 2227bd8b0d4SThomas Huth DEFINE_PROP_END_OF_LIST(), 2237bd8b0d4SThomas Huth }; 2247bd8b0d4SThomas Huth 2257bd8b0d4SThomas Huth static void ide_cd_class_init(ObjectClass *klass, void *data) 2267bd8b0d4SThomas Huth { 2277bd8b0d4SThomas Huth DeviceClass *dc = DEVICE_CLASS(klass); 2287bd8b0d4SThomas Huth IDEDeviceClass *k = IDE_DEVICE_CLASS(klass); 2297bd8b0d4SThomas Huth 2307bd8b0d4SThomas Huth k->realize = ide_cd_realize; 2317bd8b0d4SThomas Huth dc->fw_name = "drive"; 2327bd8b0d4SThomas Huth dc->desc = "virtual IDE CD-ROM"; 2337bd8b0d4SThomas Huth device_class_set_props(dc, ide_cd_properties); 2347bd8b0d4SThomas Huth } 2357bd8b0d4SThomas Huth 2367bd8b0d4SThomas Huth static const TypeInfo ide_cd_info = { 2377bd8b0d4SThomas Huth .name = "ide-cd", 2387bd8b0d4SThomas Huth .parent = TYPE_IDE_DEVICE, 2397bd8b0d4SThomas Huth .instance_size = sizeof(IDEDrive), 2407bd8b0d4SThomas Huth .class_init = ide_cd_class_init, 2417bd8b0d4SThomas Huth }; 2427bd8b0d4SThomas Huth 2437bd8b0d4SThomas Huth static void ide_device_class_init(ObjectClass *klass, void *data) 2447bd8b0d4SThomas Huth { 2457bd8b0d4SThomas Huth DeviceClass *k = DEVICE_CLASS(klass); 2467bd8b0d4SThomas Huth k->realize = ide_qdev_realize; 2477bd8b0d4SThomas Huth set_bit(DEVICE_CATEGORY_STORAGE, k->categories); 2487bd8b0d4SThomas Huth k->bus_type = TYPE_IDE_BUS; 2497bd8b0d4SThomas Huth device_class_set_props(k, ide_props); 2507bd8b0d4SThomas Huth } 2517bd8b0d4SThomas Huth 2527bd8b0d4SThomas Huth static const TypeInfo ide_device_type_info = { 2537bd8b0d4SThomas Huth .name = TYPE_IDE_DEVICE, 2547bd8b0d4SThomas Huth .parent = TYPE_DEVICE, 2557bd8b0d4SThomas Huth .instance_size = sizeof(IDEDevice), 2567bd8b0d4SThomas Huth .abstract = true, 2577bd8b0d4SThomas Huth .class_size = sizeof(IDEDeviceClass), 2587bd8b0d4SThomas Huth .class_init = ide_device_class_init, 2597bd8b0d4SThomas Huth .instance_init = ide_dev_instance_init, 2607bd8b0d4SThomas Huth }; 2617bd8b0d4SThomas Huth 2627bd8b0d4SThomas Huth static void ide_register_types(void) 2637bd8b0d4SThomas Huth { 2647bd8b0d4SThomas Huth type_register_static(&ide_hd_info); 2657bd8b0d4SThomas Huth type_register_static(&ide_cd_info); 2667bd8b0d4SThomas Huth type_register_static(&ide_device_type_info); 2677bd8b0d4SThomas Huth } 2687bd8b0d4SThomas Huth 2697bd8b0d4SThomas Huth type_init(ide_register_types) 270