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", blk_by_legacy_dinfo(drive
));
122 qdev_init_nofail(dev
);
123 return DO_UPCAST(IDEDevice
, qdev
, dev
);
126 int ide_get_geometry(BusState
*bus
, int unit
,
127 int16_t *cyls
, int8_t *heads
, int8_t *secs
)
129 IDEState
*s
= &DO_UPCAST(IDEBus
, qbus
, bus
)->ifs
[unit
];
131 if (s
->drive_kind
!= IDE_HD
|| !s
->blk
) {
135 *cyls
= s
->cylinders
;
141 int ide_get_bios_chs_trans(BusState
*bus
, int unit
)
143 return DO_UPCAST(IDEBus
, qbus
, bus
)->ifs
[unit
].chs_trans
;
146 /* --------------------------------- */
148 typedef struct IDEDrive
{
152 static int ide_dev_initfn(IDEDevice
*dev
, IDEDriveKind kind
)
154 IDEBus
*bus
= DO_UPCAST(IDEBus
, qbus
, dev
->qdev
.parent_bus
);
155 IDEState
*s
= bus
->ifs
+ dev
->unit
;
158 if (dev
->conf
.discard_granularity
== -1) {
159 dev
->conf
.discard_granularity
= 512;
160 } else if (dev
->conf
.discard_granularity
&&
161 dev
->conf
.discard_granularity
!= 512) {
162 error_report("discard_granularity must be 512 for ide");
166 blkconf_serial(&dev
->conf
, &dev
->serial
);
167 if (kind
!= IDE_CD
) {
168 blkconf_geometry(&dev
->conf
, &dev
->chs_trans
, 65536, 16, 255, &err
);
170 error_report("%s", error_get_pretty(err
));
176 if (ide_init_drive(s
, dev
->conf
.blk
, kind
,
177 dev
->version
, dev
->serial
, dev
->model
, dev
->wwn
,
178 dev
->conf
.cyls
, dev
->conf
.heads
, dev
->conf
.secs
,
179 dev
->chs_trans
) < 0) {
184 dev
->version
= g_strdup(s
->version
);
187 dev
->serial
= g_strdup(s
->drive_serial_str
);
190 add_boot_device_path(dev
->conf
.bootindex
, &dev
->qdev
,
191 dev
->unit
? "/disk@1" : "/disk@0");
196 static void ide_dev_get_bootindex(Object
*obj
, Visitor
*v
, void *opaque
,
197 const char *name
, Error
**errp
)
199 IDEDevice
*d
= IDE_DEVICE(obj
);
201 visit_type_int32(v
, &d
->conf
.bootindex
, name
, errp
);
204 static void ide_dev_set_bootindex(Object
*obj
, Visitor
*v
, void *opaque
,
205 const char *name
, Error
**errp
)
207 IDEDevice
*d
= IDE_DEVICE(obj
);
209 Error
*local_err
= NULL
;
211 visit_type_int32(v
, &boot_index
, name
, &local_err
);
215 /* check whether bootindex is present in fw_boot_order list */
216 check_boot_index(boot_index
, &local_err
);
220 /* change bootindex to a new one */
221 d
->conf
.bootindex
= boot_index
;
224 add_boot_device_path(d
->conf
.bootindex
, &d
->qdev
,
225 d
->unit
? "/disk@1" : "/disk@0");
229 error_propagate(errp
, local_err
);
233 static void ide_dev_instance_init(Object
*obj
)
235 object_property_add(obj
, "bootindex", "int32",
236 ide_dev_get_bootindex
,
237 ide_dev_set_bootindex
, NULL
, NULL
, NULL
);
238 object_property_set_int(obj
, -1, "bootindex", NULL
);
241 static int ide_hd_initfn(IDEDevice
*dev
)
243 return ide_dev_initfn(dev
, IDE_HD
);
246 static int ide_cd_initfn(IDEDevice
*dev
)
248 return ide_dev_initfn(dev
, IDE_CD
);
251 static int ide_drive_initfn(IDEDevice
*dev
)
253 DriveInfo
*dinfo
= blk_legacy_dinfo(dev
->conf
.blk
);
255 return ide_dev_initfn(dev
, dinfo
&& dinfo
->media_cd
? IDE_CD
: IDE_HD
);
258 #define DEFINE_IDE_DEV_PROPERTIES() \
259 DEFINE_BLOCK_PROPERTIES(IDEDrive, dev.conf), \
260 DEFINE_PROP_STRING("ver", IDEDrive, dev.version), \
261 DEFINE_PROP_UINT64("wwn", IDEDrive, dev.wwn, 0), \
262 DEFINE_PROP_STRING("serial", IDEDrive, dev.serial),\
263 DEFINE_PROP_STRING("model", IDEDrive, dev.model)
265 static Property ide_hd_properties
[] = {
266 DEFINE_IDE_DEV_PROPERTIES(),
267 DEFINE_BLOCK_CHS_PROPERTIES(IDEDrive
, dev
.conf
),
268 DEFINE_PROP_BIOS_CHS_TRANS("bios-chs-trans",
269 IDEDrive
, dev
.chs_trans
, BIOS_ATA_TRANSLATION_AUTO
),
270 DEFINE_PROP_END_OF_LIST(),
273 static void ide_hd_class_init(ObjectClass
*klass
, void *data
)
275 DeviceClass
*dc
= DEVICE_CLASS(klass
);
276 IDEDeviceClass
*k
= IDE_DEVICE_CLASS(klass
);
277 k
->init
= ide_hd_initfn
;
278 dc
->fw_name
= "drive";
279 dc
->desc
= "virtual IDE disk";
280 dc
->props
= ide_hd_properties
;
283 static const TypeInfo ide_hd_info
= {
285 .parent
= TYPE_IDE_DEVICE
,
286 .instance_size
= sizeof(IDEDrive
),
287 .class_init
= ide_hd_class_init
,
290 static Property ide_cd_properties
[] = {
291 DEFINE_IDE_DEV_PROPERTIES(),
292 DEFINE_PROP_END_OF_LIST(),
295 static void ide_cd_class_init(ObjectClass
*klass
, void *data
)
297 DeviceClass
*dc
= DEVICE_CLASS(klass
);
298 IDEDeviceClass
*k
= IDE_DEVICE_CLASS(klass
);
299 k
->init
= ide_cd_initfn
;
300 dc
->fw_name
= "drive";
301 dc
->desc
= "virtual IDE CD-ROM";
302 dc
->props
= ide_cd_properties
;
305 static const TypeInfo ide_cd_info
= {
307 .parent
= TYPE_IDE_DEVICE
,
308 .instance_size
= sizeof(IDEDrive
),
309 .class_init
= ide_cd_class_init
,
312 static Property ide_drive_properties
[] = {
313 DEFINE_IDE_DEV_PROPERTIES(),
314 DEFINE_PROP_END_OF_LIST(),
317 static void ide_drive_class_init(ObjectClass
*klass
, void *data
)
319 DeviceClass
*dc
= DEVICE_CLASS(klass
);
320 IDEDeviceClass
*k
= IDE_DEVICE_CLASS(klass
);
321 k
->init
= ide_drive_initfn
;
322 dc
->fw_name
= "drive";
323 dc
->desc
= "virtual IDE disk or CD-ROM (legacy)";
324 dc
->props
= ide_drive_properties
;
327 static const TypeInfo ide_drive_info
= {
329 .parent
= TYPE_IDE_DEVICE
,
330 .instance_size
= sizeof(IDEDrive
),
331 .class_init
= ide_drive_class_init
,
334 static void ide_device_class_init(ObjectClass
*klass
, void *data
)
336 DeviceClass
*k
= DEVICE_CLASS(klass
);
337 k
->init
= ide_qdev_init
;
338 set_bit(DEVICE_CATEGORY_STORAGE
, k
->categories
);
339 k
->bus_type
= TYPE_IDE_BUS
;
340 k
->props
= ide_props
;
343 static const TypeInfo ide_device_type_info
= {
344 .name
= TYPE_IDE_DEVICE
,
345 .parent
= TYPE_DEVICE
,
346 .instance_size
= sizeof(IDEDevice
),
348 .class_size
= sizeof(IDEDeviceClass
),
349 .class_init
= ide_device_class_init
,
350 .instance_init
= ide_dev_instance_init
,
353 static void ide_register_types(void)
355 type_register_static(&ide_bus_info
);
356 type_register_static(&ide_hd_info
);
357 type_register_static(&ide_cd_info
);
358 type_register_static(&ide_drive_info
);
359 type_register_static(&ide_device_type_info
);
362 type_init(ide_register_types
)