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Commit | Line | Data |
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da4d0419 GH |
1 | /* |
2 | * ide bus support for qdev. | |
3 | * | |
4 | * Copyright (c) 2009 Gerd Hoffmann <kraxel@redhat.com> | |
5 | * | |
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 | |
61f3c91a | 9 | * version 2.1 of the License, or (at your option) any later version. |
da4d0419 GH |
10 | * |
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. | |
15 | * | |
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/>. | |
18 | */ | |
0b8fa32f | 19 | |
53239262 | 20 | #include "qemu/osdep.h" |
9c17d615 | 21 | #include "sysemu/dma.h" |
da34e65c | 22 | #include "qapi/error.h" |
2ae16a6a | 23 | #include "qapi/qapi-types-block.h" |
1de7afc9 | 24 | #include "qemu/error-report.h" |
db725815 | 25 | #include "qemu/main-loop.h" |
0b8fa32f | 26 | #include "qemu/module.h" |
a9c94277 | 27 | #include "hw/ide/internal.h" |
a27bd6c7 | 28 | #include "hw/qdev-properties.h" |
ce35e229 | 29 | #include "hw/qdev-properties-system.h" |
fa1d36df | 30 | #include "sysemu/block-backend.h" |
9c17d615 | 31 | #include "sysemu/blockdev.h" |
0d09e41a | 32 | #include "hw/block/block.h" |
9c17d615 | 33 | #include "sysemu/sysemu.h" |
54d31236 | 34 | #include "sysemu/runstate.h" |
45563630 | 35 | #include "qapi/visitor.h" |
da4d0419 GH |
36 | |
37 | /* --------------------------------- */ | |
38 | ||
dc1a46b6 | 39 | static char *idebus_get_fw_dev_path(DeviceState *dev); |
b69c3c21 | 40 | static void idebus_unrealize(BusState *qdev); |
dc1a46b6 | 41 | |
3cb75a7c PB |
42 | static Property ide_props[] = { |
43 | DEFINE_PROP_UINT32("unit", IDEDevice, unit, -1), | |
44 | DEFINE_PROP_END_OF_LIST(), | |
45 | }; | |
46 | ||
0d936928 AL |
47 | static void ide_bus_class_init(ObjectClass *klass, void *data) |
48 | { | |
49 | BusClass *k = BUS_CLASS(klass); | |
50 | ||
51 | k->get_fw_dev_path = idebus_get_fw_dev_path; | |
44a109c1 | 52 | k->unrealize = idebus_unrealize; |
0d936928 AL |
53 | } |
54 | ||
b69c3c21 | 55 | static void idebus_unrealize(BusState *bus) |
ca44141d | 56 | { |
44a109c1 | 57 | IDEBus *ibus = IDE_BUS(bus); |
ca44141d | 58 | |
44a109c1 LQ |
59 | if (ibus->vmstate) { |
60 | qemu_del_vm_change_state_handler(ibus->vmstate); | |
ca44141d AA |
61 | } |
62 | } | |
63 | ||
0d936928 AL |
64 | static const TypeInfo ide_bus_info = { |
65 | .name = TYPE_IDE_BUS, | |
66 | .parent = TYPE_BUS, | |
67 | .instance_size = sizeof(IDEBus), | |
68 | .class_init = ide_bus_class_init, | |
da4d0419 GH |
69 | }; |
70 | ||
82c74ac4 | 71 | void ide_bus_init(IDEBus *idebus, size_t idebus_size, DeviceState *dev, |
c6baf942 | 72 | int bus_id, int max_units) |
da4d0419 | 73 | { |
d637e1dc | 74 | qbus_init(idebus, idebus_size, TYPE_IDE_BUS, dev, NULL); |
3835510f | 75 | idebus->bus_id = bus_id; |
0ee20e66 | 76 | idebus->max_units = max_units; |
da4d0419 GH |
77 | } |
78 | ||
dc1a46b6 GN |
79 | static char *idebus_get_fw_dev_path(DeviceState *dev) |
80 | { | |
81 | char path[30]; | |
82 | ||
28fa7133 | 83 | snprintf(path, sizeof(path), "%s@%x", qdev_fw_name(dev), |
dc1a46b6 GN |
84 | ((IDEBus*)dev->parent_bus)->bus_id); |
85 | ||
a5cf8262 | 86 | return g_strdup(path); |
dc1a46b6 GN |
87 | } |
88 | ||
794939e8 | 89 | static void ide_qdev_realize(DeviceState *qdev, Error **errp) |
da4d0419 | 90 | { |
d148211c AL |
91 | IDEDevice *dev = IDE_DEVICE(qdev); |
92 | IDEDeviceClass *dc = IDE_DEVICE_GET_CLASS(dev); | |
da4d0419 GH |
93 | IDEBus *bus = DO_UPCAST(IDEBus, qbus, qdev->parent_bus); |
94 | ||
da4d0419 GH |
95 | if (dev->unit == -1) { |
96 | dev->unit = bus->master ? 1 : 0; | |
97 | } | |
0ee20e66 KW |
98 | |
99 | if (dev->unit >= bus->max_units) { | |
794939e8 | 100 | error_setg(errp, "Can't create IDE unit %d, bus supports only %d units", |
0ee20e66 | 101 | dev->unit, bus->max_units); |
794939e8 | 102 | return; |
0ee20e66 KW |
103 | } |
104 | ||
da4d0419 GH |
105 | switch (dev->unit) { |
106 | case 0: | |
107 | if (bus->master) { | |
794939e8 MZ |
108 | error_setg(errp, "IDE unit %d is in use", dev->unit); |
109 | return; | |
da4d0419 GH |
110 | } |
111 | bus->master = dev; | |
112 | break; | |
113 | case 1: | |
114 | if (bus->slave) { | |
794939e8 MZ |
115 | error_setg(errp, "IDE unit %d is in use", dev->unit); |
116 | return; | |
da4d0419 GH |
117 | } |
118 | bus->slave = dev; | |
119 | break; | |
120 | default: | |
794939e8 MZ |
121 | error_setg(errp, "Invalid IDE unit %d", dev->unit); |
122 | return; | |
da4d0419 | 123 | } |
794939e8 | 124 | dc->realize(dev, errp); |
da4d0419 GH |
125 | } |
126 | ||
b6a5ab27 | 127 | IDEDevice *ide_bus_create_drive(IDEBus *bus, int unit, DriveInfo *drive) |
da4d0419 GH |
128 | { |
129 | DeviceState *dev; | |
130 | ||
3e80f690 | 131 | dev = qdev_new(drive->media_cd ? "ide-cd" : "ide-hd"); |
da4d0419 | 132 | qdev_prop_set_uint32(dev, "unit", unit); |
934df912 MA |
133 | qdev_prop_set_drive_err(dev, "drive", blk_by_legacy_dinfo(drive), |
134 | &error_fatal); | |
3e80f690 | 135 | qdev_realize_and_unref(dev, &bus->qbus, &error_fatal); |
da4d0419 GH |
136 | return DO_UPCAST(IDEDevice, qdev, dev); |
137 | } | |
138 | ||
9139046c MA |
139 | int ide_get_geometry(BusState *bus, int unit, |
140 | int16_t *cyls, int8_t *heads, int8_t *secs) | |
c0897e0c | 141 | { |
9139046c MA |
142 | IDEState *s = &DO_UPCAST(IDEBus, qbus, bus)->ifs[unit]; |
143 | ||
4be74634 | 144 | if (s->drive_kind != IDE_HD || !s->blk) { |
9139046c MA |
145 | return -1; |
146 | } | |
147 | ||
148 | *cyls = s->cylinders; | |
149 | *heads = s->heads; | |
150 | *secs = s->sectors; | |
151 | return 0; | |
152 | } | |
153 | ||
154 | int ide_get_bios_chs_trans(BusState *bus, int unit) | |
155 | { | |
156 | return DO_UPCAST(IDEBus, qbus, bus)->ifs[unit].chs_trans; | |
c0897e0c MA |
157 | } |
158 | ||
da4d0419 GH |
159 | /* --------------------------------- */ |
160 | ||
161 | typedef struct IDEDrive { | |
162 | IDEDevice dev; | |
163 | } IDEDrive; | |
164 | ||
794939e8 | 165 | static void ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind, Error **errp) |
da4d0419 GH |
166 | { |
167 | IDEBus *bus = DO_UPCAST(IDEBus, qbus, dev->qdev.parent_bus); | |
6ced55a5 | 168 | IDEState *s = bus->ifs + dev->unit; |
947231ad | 169 | int ret; |
6ced55a5 | 170 | |
67c75f3d KW |
171 | if (!dev->conf.blk) { |
172 | if (kind != IDE_CD) { | |
794939e8 MZ |
173 | error_setg(errp, "No drive specified"); |
174 | return; | |
67c75f3d KW |
175 | } else { |
176 | /* Anonymous BlockBackend for an empty drive */ | |
d861ab3a | 177 | dev->conf.blk = blk_new(qemu_get_aio_context(), 0, BLK_PERM_ALL); |
947231ad KW |
178 | ret = blk_attach_dev(dev->conf.blk, &dev->qdev); |
179 | assert(ret == 0); | |
67c75f3d KW |
180 | } |
181 | } | |
182 | ||
215e47b9 PB |
183 | if (dev->conf.discard_granularity == -1) { |
184 | dev->conf.discard_granularity = 512; | |
185 | } else if (dev->conf.discard_granularity && | |
186 | dev->conf.discard_granularity != 512) { | |
794939e8 MZ |
187 | error_setg(errp, "discard_granularity must be 512 for ide"); |
188 | return; | |
d353fb72 CH |
189 | } |
190 | ||
c56ee92f RK |
191 | if (!blkconf_blocksizes(&dev->conf, errp)) { |
192 | return; | |
193 | } | |
194 | ||
d2005185 | 195 | if (dev->conf.logical_block_size != 512) { |
794939e8 MZ |
196 | error_setg(errp, "logical_block_size must be 512 for IDE"); |
197 | return; | |
d2005185 KW |
198 | } |
199 | ||
5ff5efb4 | 200 | if (kind != IDE_CD) { |
ceff3e1f MZ |
201 | if (!blkconf_geometry(&dev->conf, &dev->chs_trans, 65535, 16, 255, |
202 | errp)) { | |
794939e8 | 203 | return; |
5ff5efb4 | 204 | } |
ba801960 | 205 | } |
ceff3e1f MZ |
206 | if (!blkconf_apply_backend_options(&dev->conf, kind == IDE_CD, |
207 | kind != IDE_CD, errp)) { | |
794939e8 | 208 | return; |
a17c17a2 | 209 | } |
ba801960 | 210 | |
4be74634 | 211 | if (ide_init_drive(s, dev->conf.blk, kind, |
911525db | 212 | dev->version, dev->serial, dev->model, dev->wwn, |
ba801960 | 213 | dev->conf.cyls, dev->conf.heads, dev->conf.secs, |
794939e8 MZ |
214 | dev->chs_trans, errp) < 0) { |
215 | return; | |
c4d74df7 | 216 | } |
6ced55a5 | 217 | |
03432407 | 218 | if (!dev->version) { |
7267c094 | 219 | dev->version = g_strdup(s->version); |
03432407 | 220 | } |
6ced55a5 | 221 | if (!dev->serial) { |
7267c094 | 222 | dev->serial = g_strdup(s->drive_serial_str); |
6ced55a5 | 223 | } |
1ca4d09a GN |
224 | |
225 | add_boot_device_path(dev->conf.bootindex, &dev->qdev, | |
226 | dev->unit ? "/disk@1" : "/disk@0"); | |
71f571a2 SE |
227 | |
228 | add_boot_device_lchs(&dev->qdev, dev->unit ? "/disk@1" : "/disk@0", | |
229 | dev->conf.lcyls, | |
230 | dev->conf.lheads, | |
231 | dev->conf.lsecs); | |
da4d0419 GH |
232 | } |
233 | ||
d7bce999 EB |
234 | static void ide_dev_get_bootindex(Object *obj, Visitor *v, const char *name, |
235 | void *opaque, Error **errp) | |
45563630 GA |
236 | { |
237 | IDEDevice *d = IDE_DEVICE(obj); | |
238 | ||
51e72bc1 | 239 | visit_type_int32(v, name, &d->conf.bootindex, errp); |
45563630 GA |
240 | } |
241 | ||
d7bce999 EB |
242 | static void ide_dev_set_bootindex(Object *obj, Visitor *v, const char *name, |
243 | void *opaque, Error **errp) | |
45563630 GA |
244 | { |
245 | IDEDevice *d = IDE_DEVICE(obj); | |
246 | int32_t boot_index; | |
247 | Error *local_err = NULL; | |
248 | ||
14217038 MA |
249 | if (!visit_type_int32(v, name, &boot_index, errp)) { |
250 | return; | |
45563630 GA |
251 | } |
252 | /* check whether bootindex is present in fw_boot_order list */ | |
253 | check_boot_index(boot_index, &local_err); | |
254 | if (local_err) { | |
255 | goto out; | |
256 | } | |
257 | /* change bootindex to a new one */ | |
258 | d->conf.bootindex = boot_index; | |
259 | ||
d2b186f9 GA |
260 | if (d->unit != -1) { |
261 | add_boot_device_path(d->conf.bootindex, &d->qdev, | |
262 | d->unit ? "/disk@1" : "/disk@0"); | |
263 | } | |
45563630 | 264 | out: |
621ff94d | 265 | error_propagate(errp, local_err); |
45563630 GA |
266 | } |
267 | ||
268 | static void ide_dev_instance_init(Object *obj) | |
269 | { | |
270 | object_property_add(obj, "bootindex", "int32", | |
271 | ide_dev_get_bootindex, | |
d2623129 | 272 | ide_dev_set_bootindex, NULL, NULL); |
5325cc34 | 273 | object_property_set_int(obj, "bootindex", -1, NULL); |
45563630 GA |
274 | } |
275 | ||
794939e8 | 276 | static void ide_hd_realize(IDEDevice *dev, Error **errp) |
1f56e32a | 277 | { |
794939e8 | 278 | ide_dev_initfn(dev, IDE_HD, errp); |
1f56e32a MA |
279 | } |
280 | ||
794939e8 | 281 | static void ide_cd_realize(IDEDevice *dev, Error **errp) |
1f56e32a | 282 | { |
794939e8 | 283 | ide_dev_initfn(dev, IDE_CD, errp); |
1f56e32a MA |
284 | } |
285 | ||
cec79db3 LR |
286 | static void ide_cf_realize(IDEDevice *dev, Error **errp) |
287 | { | |
288 | ide_dev_initfn(dev, IDE_CFATA, errp); | |
289 | } | |
290 | ||
1f56e32a | 291 | #define DEFINE_IDE_DEV_PROPERTIES() \ |
1f56e32a | 292 | DEFINE_BLOCK_PROPERTIES(IDEDrive, dev.conf), \ |
8c398252 | 293 | DEFINE_BLOCK_ERROR_PROPERTIES(IDEDrive, dev.conf), \ |
1f56e32a | 294 | DEFINE_PROP_STRING("ver", IDEDrive, dev.version), \ |
8e6a1749 | 295 | DEFINE_PROP_UINT64("wwn", IDEDrive, dev.wwn, 0), \ |
27e0c9a1 FB |
296 | DEFINE_PROP_STRING("serial", IDEDrive, dev.serial),\ |
297 | DEFINE_PROP_STRING("model", IDEDrive, dev.model) | |
1f56e32a | 298 | |
39bffca2 AL |
299 | static Property ide_hd_properties[] = { |
300 | DEFINE_IDE_DEV_PROPERTIES(), | |
ba801960 | 301 | DEFINE_BLOCK_CHS_PROPERTIES(IDEDrive, dev.conf), |
6e6f61a6 MA |
302 | DEFINE_PROP_BIOS_CHS_TRANS("bios-chs-trans", |
303 | IDEDrive, dev.chs_trans, BIOS_ATA_TRANSLATION_AUTO), | |
3b19f450 | 304 | DEFINE_PROP_UINT16("rotation_rate", IDEDrive, dev.rotation_rate, 0), |
39bffca2 AL |
305 | DEFINE_PROP_END_OF_LIST(), |
306 | }; | |
307 | ||
d148211c AL |
308 | static void ide_hd_class_init(ObjectClass *klass, void *data) |
309 | { | |
39bffca2 | 310 | DeviceClass *dc = DEVICE_CLASS(klass); |
d148211c | 311 | IDEDeviceClass *k = IDE_DEVICE_CLASS(klass); |
794939e8 MZ |
312 | |
313 | k->realize = ide_hd_realize; | |
39bffca2 | 314 | dc->fw_name = "drive"; |
794939e8 | 315 | dc->desc = "virtual IDE disk"; |
4f67d30b | 316 | device_class_set_props(dc, ide_hd_properties); |
d148211c AL |
317 | } |
318 | ||
8c43a6f0 | 319 | static const TypeInfo ide_hd_info = { |
39bffca2 AL |
320 | .name = "ide-hd", |
321 | .parent = TYPE_IDE_DEVICE, | |
322 | .instance_size = sizeof(IDEDrive), | |
323 | .class_init = ide_hd_class_init, | |
324 | }; | |
325 | ||
326 | static Property ide_cd_properties[] = { | |
327 | DEFINE_IDE_DEV_PROPERTIES(), | |
328 | DEFINE_PROP_END_OF_LIST(), | |
da4d0419 GH |
329 | }; |
330 | ||
d148211c | 331 | static void ide_cd_class_init(ObjectClass *klass, void *data) |
da4d0419 | 332 | { |
39bffca2 | 333 | DeviceClass *dc = DEVICE_CLASS(klass); |
d148211c | 334 | IDEDeviceClass *k = IDE_DEVICE_CLASS(klass); |
794939e8 MZ |
335 | |
336 | k->realize = ide_cd_realize; | |
39bffca2 | 337 | dc->fw_name = "drive"; |
794939e8 | 338 | dc->desc = "virtual IDE CD-ROM"; |
4f67d30b | 339 | device_class_set_props(dc, ide_cd_properties); |
d148211c | 340 | } |
1f56e32a | 341 | |
8c43a6f0 | 342 | static const TypeInfo ide_cd_info = { |
39bffca2 AL |
343 | .name = "ide-cd", |
344 | .parent = TYPE_IDE_DEVICE, | |
345 | .instance_size = sizeof(IDEDrive), | |
346 | .class_init = ide_cd_class_init, | |
347 | }; | |
348 | ||
cec79db3 LR |
349 | static Property ide_cf_properties[] = { |
350 | DEFINE_IDE_DEV_PROPERTIES(), | |
351 | DEFINE_BLOCK_CHS_PROPERTIES(IDEDrive, dev.conf), | |
352 | DEFINE_PROP_BIOS_CHS_TRANS("bios-chs-trans", | |
353 | IDEDrive, dev.chs_trans, BIOS_ATA_TRANSLATION_AUTO), | |
354 | DEFINE_PROP_END_OF_LIST(), | |
355 | }; | |
356 | ||
357 | static void ide_cf_class_init(ObjectClass *klass, void *data) | |
358 | { | |
359 | DeviceClass *dc = DEVICE_CLASS(klass); | |
360 | IDEDeviceClass *k = IDE_DEVICE_CLASS(klass); | |
361 | ||
362 | k->realize = ide_cf_realize; | |
363 | dc->fw_name = "drive"; | |
364 | dc->desc = "virtual CompactFlash card"; | |
365 | device_class_set_props(dc, ide_cf_properties); | |
366 | } | |
367 | ||
368 | static const TypeInfo ide_cf_info = { | |
369 | .name = "ide-cf", | |
370 | .parent = TYPE_IDE_DEVICE, | |
371 | .instance_size = sizeof(IDEDrive), | |
372 | .class_init = ide_cf_class_init, | |
373 | }; | |
374 | ||
39bffca2 AL |
375 | static void ide_device_class_init(ObjectClass *klass, void *data) |
376 | { | |
377 | DeviceClass *k = DEVICE_CLASS(klass); | |
794939e8 | 378 | k->realize = ide_qdev_realize; |
125ee0ed | 379 | set_bit(DEVICE_CATEGORY_STORAGE, k->categories); |
0d936928 | 380 | k->bus_type = TYPE_IDE_BUS; |
4f67d30b | 381 | device_class_set_props(k, ide_props); |
39bffca2 AL |
382 | } |
383 | ||
8c43a6f0 | 384 | static const TypeInfo ide_device_type_info = { |
d148211c AL |
385 | .name = TYPE_IDE_DEVICE, |
386 | .parent = TYPE_DEVICE, | |
387 | .instance_size = sizeof(IDEDevice), | |
388 | .abstract = true, | |
389 | .class_size = sizeof(IDEDeviceClass), | |
39bffca2 | 390 | .class_init = ide_device_class_init, |
45563630 | 391 | .instance_init = ide_dev_instance_init, |
d148211c AL |
392 | }; |
393 | ||
83f7d43a | 394 | static void ide_register_types(void) |
d148211c | 395 | { |
0d936928 | 396 | type_register_static(&ide_bus_info); |
39bffca2 AL |
397 | type_register_static(&ide_hd_info); |
398 | type_register_static(&ide_cd_info); | |
cec79db3 | 399 | type_register_static(&ide_cf_info); |
d148211c | 400 | type_register_static(&ide_device_type_info); |
da4d0419 | 401 | } |
83f7d43a AF |
402 | |
403 | type_init(ide_register_types) |