2 * ide bus support for qdev.
4 * Copyright (c) 2009 Gerd Hoffmann <kraxel@redhat.com>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
20 #include "sysemu/dma.h"
21 #include "qemu/error-report.h"
22 #include <hw/ide/internal.h>
23 #include "sysemu/block-backend.h"
24 #include "sysemu/blockdev.h"
25 #include "hw/block/block.h"
26 #include "sysemu/sysemu.h"
27 #include "qapi/visitor.h"
29 /* --------------------------------- */
31 static char *idebus_get_fw_dev_path(DeviceState
*dev
);
33 static Property ide_props
[] = {
34 DEFINE_PROP_UINT32("unit", IDEDevice
, unit
, -1),
35 DEFINE_PROP_END_OF_LIST(),
38 static void ide_bus_class_init(ObjectClass
*klass
, void *data
)
40 BusClass
*k
= BUS_CLASS(klass
);
42 k
->get_fw_dev_path
= idebus_get_fw_dev_path
;
45 static const TypeInfo ide_bus_info
= {
48 .instance_size
= sizeof(IDEBus
),
49 .class_init
= ide_bus_class_init
,
52 void ide_bus_new(IDEBus
*idebus
, size_t idebus_size
, DeviceState
*dev
,
53 int bus_id
, int max_units
)
55 qbus_create_inplace(idebus
, idebus_size
, TYPE_IDE_BUS
, dev
, NULL
);
56 idebus
->bus_id
= bus_id
;
57 idebus
->max_units
= max_units
;
60 static char *idebus_get_fw_dev_path(DeviceState
*dev
)
64 snprintf(path
, sizeof(path
), "%s@%x", qdev_fw_name(dev
),
65 ((IDEBus
*)dev
->parent_bus
)->bus_id
);
67 return g_strdup(path
);
70 static int ide_qdev_init(DeviceState
*qdev
)
72 IDEDevice
*dev
= IDE_DEVICE(qdev
);
73 IDEDeviceClass
*dc
= IDE_DEVICE_GET_CLASS(dev
);
74 IDEBus
*bus
= DO_UPCAST(IDEBus
, qbus
, qdev
->parent_bus
);
77 error_report("No drive specified");
80 if (dev
->unit
== -1) {
81 dev
->unit
= bus
->master
? 1 : 0;
84 if (dev
->unit
>= bus
->max_units
) {
85 error_report("Can't create IDE unit %d, bus supports only %d units",
86 dev
->unit
, bus
->max_units
);
93 error_report("IDE unit %d is in use", dev
->unit
);
100 error_report("IDE unit %d is in use", dev
->unit
);
106 error_report("Invalid IDE unit %d", dev
->unit
);
109 return dc
->init(dev
);
115 IDEDevice
*ide_create_drive(IDEBus
*bus
, int unit
, DriveInfo
*drive
)
119 dev
= qdev_create(&bus
->qbus
, drive
->media_cd
? "ide-cd" : "ide-hd");
120 qdev_prop_set_uint32(dev
, "unit", unit
);
121 qdev_prop_set_drive_nofail(dev
, "drive",
122 blk_bs(blk_by_legacy_dinfo(drive
)));
123 qdev_init_nofail(dev
);
124 return DO_UPCAST(IDEDevice
, qdev
, dev
);
127 int ide_get_geometry(BusState
*bus
, int unit
,
128 int16_t *cyls
, int8_t *heads
, int8_t *secs
)
130 IDEState
*s
= &DO_UPCAST(IDEBus
, qbus
, bus
)->ifs
[unit
];
132 if (s
->drive_kind
!= IDE_HD
|| !s
->bs
) {
136 *cyls
= s
->cylinders
;
142 int ide_get_bios_chs_trans(BusState
*bus
, int unit
)
144 return DO_UPCAST(IDEBus
, qbus
, bus
)->ifs
[unit
].chs_trans
;
147 /* --------------------------------- */
149 typedef struct IDEDrive
{
153 static int ide_dev_initfn(IDEDevice
*dev
, IDEDriveKind kind
)
155 IDEBus
*bus
= DO_UPCAST(IDEBus
, qbus
, dev
->qdev
.parent_bus
);
156 IDEState
*s
= bus
->ifs
+ dev
->unit
;
159 if (dev
->conf
.discard_granularity
== -1) {
160 dev
->conf
.discard_granularity
= 512;
161 } else if (dev
->conf
.discard_granularity
&&
162 dev
->conf
.discard_granularity
!= 512) {
163 error_report("discard_granularity must be 512 for ide");
167 blkconf_serial(&dev
->conf
, &dev
->serial
);
168 if (kind
!= IDE_CD
) {
169 blkconf_geometry(&dev
->conf
, &dev
->chs_trans
, 65536, 16, 255, &err
);
171 error_report("%s", error_get_pretty(err
));
177 if (ide_init_drive(s
, dev
->conf
.bs
, kind
,
178 dev
->version
, dev
->serial
, dev
->model
, dev
->wwn
,
179 dev
->conf
.cyls
, dev
->conf
.heads
, dev
->conf
.secs
,
180 dev
->chs_trans
) < 0) {
185 dev
->version
= g_strdup(s
->version
);
188 dev
->serial
= g_strdup(s
->drive_serial_str
);
191 add_boot_device_path(dev
->conf
.bootindex
, &dev
->qdev
,
192 dev
->unit
? "/disk@1" : "/disk@0");
197 static void ide_dev_get_bootindex(Object
*obj
, Visitor
*v
, void *opaque
,
198 const char *name
, Error
**errp
)
200 IDEDevice
*d
= IDE_DEVICE(obj
);
202 visit_type_int32(v
, &d
->conf
.bootindex
, name
, errp
);
205 static void ide_dev_set_bootindex(Object
*obj
, Visitor
*v
, void *opaque
,
206 const char *name
, Error
**errp
)
208 IDEDevice
*d
= IDE_DEVICE(obj
);
210 Error
*local_err
= NULL
;
212 visit_type_int32(v
, &boot_index
, name
, &local_err
);
216 /* check whether bootindex is present in fw_boot_order list */
217 check_boot_index(boot_index
, &local_err
);
221 /* change bootindex to a new one */
222 d
->conf
.bootindex
= boot_index
;
225 add_boot_device_path(d
->conf
.bootindex
, &d
->qdev
,
226 d
->unit
? "/disk@1" : "/disk@0");
230 error_propagate(errp
, local_err
);
234 static void ide_dev_instance_init(Object
*obj
)
236 object_property_add(obj
, "bootindex", "int32",
237 ide_dev_get_bootindex
,
238 ide_dev_set_bootindex
, NULL
, NULL
, NULL
);
239 object_property_set_int(obj
, -1, "bootindex", NULL
);
242 static int ide_hd_initfn(IDEDevice
*dev
)
244 return ide_dev_initfn(dev
, IDE_HD
);
247 static int ide_cd_initfn(IDEDevice
*dev
)
249 return ide_dev_initfn(dev
, IDE_CD
);
252 static int ide_drive_initfn(IDEDevice
*dev
)
254 DriveInfo
*dinfo
= drive_get_by_blockdev(dev
->conf
.bs
);
256 return ide_dev_initfn(dev
, dinfo
->media_cd
? IDE_CD
: IDE_HD
);
259 #define DEFINE_IDE_DEV_PROPERTIES() \
260 DEFINE_BLOCK_PROPERTIES(IDEDrive, dev.conf), \
261 DEFINE_PROP_STRING("ver", IDEDrive, dev.version), \
262 DEFINE_PROP_UINT64("wwn", IDEDrive, dev.wwn, 0), \
263 DEFINE_PROP_STRING("serial", IDEDrive, dev.serial),\
264 DEFINE_PROP_STRING("model", IDEDrive, dev.model)
266 static Property ide_hd_properties
[] = {
267 DEFINE_IDE_DEV_PROPERTIES(),
268 DEFINE_BLOCK_CHS_PROPERTIES(IDEDrive
, dev
.conf
),
269 DEFINE_PROP_BIOS_CHS_TRANS("bios-chs-trans",
270 IDEDrive
, dev
.chs_trans
, BIOS_ATA_TRANSLATION_AUTO
),
271 DEFINE_PROP_END_OF_LIST(),
274 static void ide_hd_class_init(ObjectClass
*klass
, void *data
)
276 DeviceClass
*dc
= DEVICE_CLASS(klass
);
277 IDEDeviceClass
*k
= IDE_DEVICE_CLASS(klass
);
278 k
->init
= ide_hd_initfn
;
279 dc
->fw_name
= "drive";
280 dc
->desc
= "virtual IDE disk";
281 dc
->props
= ide_hd_properties
;
284 static const TypeInfo ide_hd_info
= {
286 .parent
= TYPE_IDE_DEVICE
,
287 .instance_size
= sizeof(IDEDrive
),
288 .class_init
= ide_hd_class_init
,
291 static Property ide_cd_properties
[] = {
292 DEFINE_IDE_DEV_PROPERTIES(),
293 DEFINE_PROP_END_OF_LIST(),
296 static void ide_cd_class_init(ObjectClass
*klass
, void *data
)
298 DeviceClass
*dc
= DEVICE_CLASS(klass
);
299 IDEDeviceClass
*k
= IDE_DEVICE_CLASS(klass
);
300 k
->init
= ide_cd_initfn
;
301 dc
->fw_name
= "drive";
302 dc
->desc
= "virtual IDE CD-ROM";
303 dc
->props
= ide_cd_properties
;
306 static const TypeInfo ide_cd_info
= {
308 .parent
= TYPE_IDE_DEVICE
,
309 .instance_size
= sizeof(IDEDrive
),
310 .class_init
= ide_cd_class_init
,
313 static Property ide_drive_properties
[] = {
314 DEFINE_IDE_DEV_PROPERTIES(),
315 DEFINE_PROP_END_OF_LIST(),
318 static void ide_drive_class_init(ObjectClass
*klass
, void *data
)
320 DeviceClass
*dc
= DEVICE_CLASS(klass
);
321 IDEDeviceClass
*k
= IDE_DEVICE_CLASS(klass
);
322 k
->init
= ide_drive_initfn
;
323 dc
->fw_name
= "drive";
324 dc
->desc
= "virtual IDE disk or CD-ROM (legacy)";
325 dc
->props
= ide_drive_properties
;
328 static const TypeInfo ide_drive_info
= {
330 .parent
= TYPE_IDE_DEVICE
,
331 .instance_size
= sizeof(IDEDrive
),
332 .class_init
= ide_drive_class_init
,
335 static void ide_device_class_init(ObjectClass
*klass
, void *data
)
337 DeviceClass
*k
= DEVICE_CLASS(klass
);
338 k
->init
= ide_qdev_init
;
339 set_bit(DEVICE_CATEGORY_STORAGE
, k
->categories
);
340 k
->bus_type
= TYPE_IDE_BUS
;
341 k
->props
= ide_props
;
344 static const TypeInfo ide_device_type_info
= {
345 .name
= TYPE_IDE_DEVICE
,
346 .parent
= TYPE_DEVICE
,
347 .instance_size
= sizeof(IDEDevice
),
349 .class_size
= sizeof(IDEDeviceClass
),
350 .class_init
= ide_device_class_init
,
351 .instance_init
= ide_dev_instance_init
,
354 static void ide_register_types(void)
356 type_register_static(&ide_bus_info
);
357 type_register_static(&ide_hd_info
);
358 type_register_static(&ide_cd_info
);
359 type_register_static(&ide_drive_info
);
360 type_register_static(&ide_device_type_info
);
363 type_init(ide_register_types
)