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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 | |
9 | * version 2 of the License, or (at your option) any later version. | |
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" |
fa1d36df | 29 | #include "sysemu/block-backend.h" |
9c17d615 | 30 | #include "sysemu/blockdev.h" |
0d09e41a | 31 | #include "hw/block/block.h" |
9c17d615 | 32 | #include "sysemu/sysemu.h" |
54d31236 | 33 | #include "sysemu/runstate.h" |
45563630 | 34 | #include "qapi/visitor.h" |
da4d0419 GH |
35 | |
36 | /* --------------------------------- */ | |
37 | ||
dc1a46b6 | 38 | static char *idebus_get_fw_dev_path(DeviceState *dev); |
44a109c1 | 39 | static void idebus_unrealize(BusState *qdev, Error **errp); |
dc1a46b6 | 40 | |
3cb75a7c PB |
41 | static Property ide_props[] = { |
42 | DEFINE_PROP_UINT32("unit", IDEDevice, unit, -1), | |
43 | DEFINE_PROP_END_OF_LIST(), | |
44 | }; | |
45 | ||
0d936928 AL |
46 | static void ide_bus_class_init(ObjectClass *klass, void *data) |
47 | { | |
48 | BusClass *k = BUS_CLASS(klass); | |
49 | ||
50 | k->get_fw_dev_path = idebus_get_fw_dev_path; | |
44a109c1 | 51 | k->unrealize = idebus_unrealize; |
0d936928 AL |
52 | } |
53 | ||
44a109c1 | 54 | static void idebus_unrealize(BusState *bus, Error **errp) |
ca44141d | 55 | { |
44a109c1 | 56 | IDEBus *ibus = IDE_BUS(bus); |
ca44141d | 57 | |
44a109c1 LQ |
58 | if (ibus->vmstate) { |
59 | qemu_del_vm_change_state_handler(ibus->vmstate); | |
ca44141d AA |
60 | } |
61 | } | |
62 | ||
0d936928 AL |
63 | static const TypeInfo ide_bus_info = { |
64 | .name = TYPE_IDE_BUS, | |
65 | .parent = TYPE_BUS, | |
66 | .instance_size = sizeof(IDEBus), | |
67 | .class_init = ide_bus_class_init, | |
da4d0419 GH |
68 | }; |
69 | ||
c6baf942 AF |
70 | void ide_bus_new(IDEBus *idebus, size_t idebus_size, DeviceState *dev, |
71 | int bus_id, int max_units) | |
da4d0419 | 72 | { |
fb17dfe0 | 73 | qbus_create_inplace(idebus, idebus_size, TYPE_IDE_BUS, dev, NULL); |
3835510f | 74 | idebus->bus_id = bus_id; |
0ee20e66 | 75 | idebus->max_units = max_units; |
da4d0419 GH |
76 | } |
77 | ||
dc1a46b6 GN |
78 | static char *idebus_get_fw_dev_path(DeviceState *dev) |
79 | { | |
80 | char path[30]; | |
81 | ||
28fa7133 | 82 | snprintf(path, sizeof(path), "%s@%x", qdev_fw_name(dev), |
dc1a46b6 GN |
83 | ((IDEBus*)dev->parent_bus)->bus_id); |
84 | ||
a5cf8262 | 85 | return g_strdup(path); |
dc1a46b6 GN |
86 | } |
87 | ||
794939e8 | 88 | static void ide_qdev_realize(DeviceState *qdev, Error **errp) |
da4d0419 | 89 | { |
d148211c AL |
90 | IDEDevice *dev = IDE_DEVICE(qdev); |
91 | IDEDeviceClass *dc = IDE_DEVICE_GET_CLASS(dev); | |
da4d0419 GH |
92 | IDEBus *bus = DO_UPCAST(IDEBus, qbus, qdev->parent_bus); |
93 | ||
da4d0419 GH |
94 | if (dev->unit == -1) { |
95 | dev->unit = bus->master ? 1 : 0; | |
96 | } | |
0ee20e66 KW |
97 | |
98 | if (dev->unit >= bus->max_units) { | |
794939e8 | 99 | error_setg(errp, "Can't create IDE unit %d, bus supports only %d units", |
0ee20e66 | 100 | dev->unit, bus->max_units); |
794939e8 | 101 | return; |
0ee20e66 KW |
102 | } |
103 | ||
da4d0419 GH |
104 | switch (dev->unit) { |
105 | case 0: | |
106 | if (bus->master) { | |
794939e8 MZ |
107 | error_setg(errp, "IDE unit %d is in use", dev->unit); |
108 | return; | |
da4d0419 GH |
109 | } |
110 | bus->master = dev; | |
111 | break; | |
112 | case 1: | |
113 | if (bus->slave) { | |
794939e8 MZ |
114 | error_setg(errp, "IDE unit %d is in use", dev->unit); |
115 | return; | |
da4d0419 GH |
116 | } |
117 | bus->slave = dev; | |
118 | break; | |
119 | default: | |
794939e8 MZ |
120 | error_setg(errp, "Invalid IDE unit %d", dev->unit); |
121 | return; | |
da4d0419 | 122 | } |
794939e8 | 123 | dc->realize(dev, errp); |
da4d0419 GH |
124 | } |
125 | ||
da4d0419 GH |
126 | IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive) |
127 | { | |
128 | DeviceState *dev; | |
129 | ||
95b5edcd | 130 | dev = qdev_create(&bus->qbus, drive->media_cd ? "ide-cd" : "ide-hd"); |
da4d0419 | 131 | qdev_prop_set_uint32(dev, "unit", unit); |
6231a6da MA |
132 | qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(drive), |
133 | &error_fatal); | |
fa12fbbe | 134 | qdev_init_nofail(dev); |
da4d0419 GH |
135 | return DO_UPCAST(IDEDevice, qdev, dev); |
136 | } | |
137 | ||
9139046c MA |
138 | int ide_get_geometry(BusState *bus, int unit, |
139 | int16_t *cyls, int8_t *heads, int8_t *secs) | |
c0897e0c | 140 | { |
9139046c MA |
141 | IDEState *s = &DO_UPCAST(IDEBus, qbus, bus)->ifs[unit]; |
142 | ||
4be74634 | 143 | if (s->drive_kind != IDE_HD || !s->blk) { |
9139046c MA |
144 | return -1; |
145 | } | |
146 | ||
147 | *cyls = s->cylinders; | |
148 | *heads = s->heads; | |
149 | *secs = s->sectors; | |
150 | return 0; | |
151 | } | |
152 | ||
153 | int ide_get_bios_chs_trans(BusState *bus, int unit) | |
154 | { | |
155 | return DO_UPCAST(IDEBus, qbus, bus)->ifs[unit].chs_trans; | |
c0897e0c MA |
156 | } |
157 | ||
da4d0419 GH |
158 | /* --------------------------------- */ |
159 | ||
160 | typedef struct IDEDrive { | |
161 | IDEDevice dev; | |
162 | } IDEDrive; | |
163 | ||
794939e8 | 164 | static void ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind, Error **errp) |
da4d0419 GH |
165 | { |
166 | IDEBus *bus = DO_UPCAST(IDEBus, qbus, dev->qdev.parent_bus); | |
6ced55a5 | 167 | IDEState *s = bus->ifs + dev->unit; |
947231ad | 168 | int ret; |
6ced55a5 | 169 | |
67c75f3d KW |
170 | if (!dev->conf.blk) { |
171 | if (kind != IDE_CD) { | |
794939e8 MZ |
172 | error_setg(errp, "No drive specified"); |
173 | return; | |
67c75f3d KW |
174 | } else { |
175 | /* Anonymous BlockBackend for an empty drive */ | |
d861ab3a | 176 | dev->conf.blk = blk_new(qemu_get_aio_context(), 0, BLK_PERM_ALL); |
947231ad KW |
177 | ret = blk_attach_dev(dev->conf.blk, &dev->qdev); |
178 | assert(ret == 0); | |
67c75f3d KW |
179 | } |
180 | } | |
181 | ||
215e47b9 PB |
182 | if (dev->conf.discard_granularity == -1) { |
183 | dev->conf.discard_granularity = 512; | |
184 | } else if (dev->conf.discard_granularity && | |
185 | dev->conf.discard_granularity != 512) { | |
794939e8 MZ |
186 | error_setg(errp, "discard_granularity must be 512 for ide"); |
187 | return; | |
d353fb72 CH |
188 | } |
189 | ||
0eb28a42 | 190 | blkconf_blocksizes(&dev->conf); |
d2005185 | 191 | if (dev->conf.logical_block_size != 512) { |
794939e8 MZ |
192 | error_setg(errp, "logical_block_size must be 512 for IDE"); |
193 | return; | |
d2005185 KW |
194 | } |
195 | ||
5ff5efb4 | 196 | if (kind != IDE_CD) { |
ceff3e1f MZ |
197 | if (!blkconf_geometry(&dev->conf, &dev->chs_trans, 65535, 16, 255, |
198 | errp)) { | |
794939e8 | 199 | return; |
5ff5efb4 | 200 | } |
ba801960 | 201 | } |
ceff3e1f MZ |
202 | if (!blkconf_apply_backend_options(&dev->conf, kind == IDE_CD, |
203 | kind != IDE_CD, errp)) { | |
794939e8 | 204 | return; |
a17c17a2 | 205 | } |
ba801960 | 206 | |
4be74634 | 207 | if (ide_init_drive(s, dev->conf.blk, kind, |
911525db | 208 | dev->version, dev->serial, dev->model, dev->wwn, |
ba801960 | 209 | dev->conf.cyls, dev->conf.heads, dev->conf.secs, |
794939e8 MZ |
210 | dev->chs_trans, errp) < 0) { |
211 | return; | |
c4d74df7 | 212 | } |
6ced55a5 | 213 | |
03432407 | 214 | if (!dev->version) { |
7267c094 | 215 | dev->version = g_strdup(s->version); |
03432407 | 216 | } |
6ced55a5 | 217 | if (!dev->serial) { |
7267c094 | 218 | dev->serial = g_strdup(s->drive_serial_str); |
6ced55a5 | 219 | } |
1ca4d09a GN |
220 | |
221 | add_boot_device_path(dev->conf.bootindex, &dev->qdev, | |
222 | dev->unit ? "/disk@1" : "/disk@0"); | |
71f571a2 SE |
223 | |
224 | add_boot_device_lchs(&dev->qdev, dev->unit ? "/disk@1" : "/disk@0", | |
225 | dev->conf.lcyls, | |
226 | dev->conf.lheads, | |
227 | dev->conf.lsecs); | |
da4d0419 GH |
228 | } |
229 | ||
d7bce999 EB |
230 | static void ide_dev_get_bootindex(Object *obj, Visitor *v, const char *name, |
231 | void *opaque, Error **errp) | |
45563630 GA |
232 | { |
233 | IDEDevice *d = IDE_DEVICE(obj); | |
234 | ||
51e72bc1 | 235 | visit_type_int32(v, name, &d->conf.bootindex, errp); |
45563630 GA |
236 | } |
237 | ||
d7bce999 EB |
238 | static void ide_dev_set_bootindex(Object *obj, Visitor *v, const char *name, |
239 | void *opaque, Error **errp) | |
45563630 GA |
240 | { |
241 | IDEDevice *d = IDE_DEVICE(obj); | |
242 | int32_t boot_index; | |
243 | Error *local_err = NULL; | |
244 | ||
51e72bc1 | 245 | visit_type_int32(v, name, &boot_index, &local_err); |
45563630 GA |
246 | if (local_err) { |
247 | goto out; | |
248 | } | |
249 | /* check whether bootindex is present in fw_boot_order list */ | |
250 | check_boot_index(boot_index, &local_err); | |
251 | if (local_err) { | |
252 | goto out; | |
253 | } | |
254 | /* change bootindex to a new one */ | |
255 | d->conf.bootindex = boot_index; | |
256 | ||
d2b186f9 GA |
257 | if (d->unit != -1) { |
258 | add_boot_device_path(d->conf.bootindex, &d->qdev, | |
259 | d->unit ? "/disk@1" : "/disk@0"); | |
260 | } | |
45563630 | 261 | out: |
621ff94d | 262 | error_propagate(errp, local_err); |
45563630 GA |
263 | } |
264 | ||
265 | static void ide_dev_instance_init(Object *obj) | |
266 | { | |
267 | object_property_add(obj, "bootindex", "int32", | |
268 | ide_dev_get_bootindex, | |
269 | ide_dev_set_bootindex, NULL, NULL, NULL); | |
d2b186f9 | 270 | object_property_set_int(obj, -1, "bootindex", NULL); |
45563630 GA |
271 | } |
272 | ||
794939e8 | 273 | static void ide_hd_realize(IDEDevice *dev, Error **errp) |
1f56e32a | 274 | { |
794939e8 | 275 | ide_dev_initfn(dev, IDE_HD, errp); |
1f56e32a MA |
276 | } |
277 | ||
794939e8 | 278 | static void ide_cd_realize(IDEDevice *dev, Error **errp) |
1f56e32a | 279 | { |
794939e8 | 280 | ide_dev_initfn(dev, IDE_CD, errp); |
1f56e32a MA |
281 | } |
282 | ||
794939e8 | 283 | static void ide_drive_realize(IDEDevice *dev, Error **errp) |
1f56e32a | 284 | { |
67c75f3d KW |
285 | DriveInfo *dinfo = NULL; |
286 | ||
7d60133f JS |
287 | warn_report("'ide-drive' is deprecated, " |
288 | "please use 'ide-hd' or 'ide-cd' instead"); | |
289 | ||
67c75f3d KW |
290 | if (dev->conf.blk) { |
291 | dinfo = blk_legacy_dinfo(dev->conf.blk); | |
292 | } | |
95b5edcd | 293 | |
794939e8 | 294 | ide_dev_initfn(dev, dinfo && dinfo->media_cd ? IDE_CD : IDE_HD, errp); |
1f56e32a MA |
295 | } |
296 | ||
297 | #define DEFINE_IDE_DEV_PROPERTIES() \ | |
1f56e32a | 298 | DEFINE_BLOCK_PROPERTIES(IDEDrive, dev.conf), \ |
8c398252 | 299 | DEFINE_BLOCK_ERROR_PROPERTIES(IDEDrive, dev.conf), \ |
1f56e32a | 300 | DEFINE_PROP_STRING("ver", IDEDrive, dev.version), \ |
8e6a1749 | 301 | DEFINE_PROP_UINT64("wwn", IDEDrive, dev.wwn, 0), \ |
27e0c9a1 FB |
302 | DEFINE_PROP_STRING("serial", IDEDrive, dev.serial),\ |
303 | DEFINE_PROP_STRING("model", IDEDrive, dev.model) | |
1f56e32a | 304 | |
39bffca2 AL |
305 | static Property ide_hd_properties[] = { |
306 | DEFINE_IDE_DEV_PROPERTIES(), | |
ba801960 | 307 | DEFINE_BLOCK_CHS_PROPERTIES(IDEDrive, dev.conf), |
6e6f61a6 MA |
308 | DEFINE_PROP_BIOS_CHS_TRANS("bios-chs-trans", |
309 | IDEDrive, dev.chs_trans, BIOS_ATA_TRANSLATION_AUTO), | |
3b19f450 | 310 | DEFINE_PROP_UINT16("rotation_rate", IDEDrive, dev.rotation_rate, 0), |
39bffca2 AL |
311 | DEFINE_PROP_END_OF_LIST(), |
312 | }; | |
313 | ||
d148211c AL |
314 | static void ide_hd_class_init(ObjectClass *klass, void *data) |
315 | { | |
39bffca2 | 316 | DeviceClass *dc = DEVICE_CLASS(klass); |
d148211c | 317 | IDEDeviceClass *k = IDE_DEVICE_CLASS(klass); |
794939e8 MZ |
318 | |
319 | k->realize = ide_hd_realize; | |
39bffca2 | 320 | dc->fw_name = "drive"; |
794939e8 MZ |
321 | dc->desc = "virtual IDE disk"; |
322 | dc->props = ide_hd_properties; | |
d148211c AL |
323 | } |
324 | ||
8c43a6f0 | 325 | static const TypeInfo ide_hd_info = { |
39bffca2 AL |
326 | .name = "ide-hd", |
327 | .parent = TYPE_IDE_DEVICE, | |
328 | .instance_size = sizeof(IDEDrive), | |
329 | .class_init = ide_hd_class_init, | |
330 | }; | |
331 | ||
332 | static Property ide_cd_properties[] = { | |
333 | DEFINE_IDE_DEV_PROPERTIES(), | |
334 | DEFINE_PROP_END_OF_LIST(), | |
da4d0419 GH |
335 | }; |
336 | ||
d148211c | 337 | static void ide_cd_class_init(ObjectClass *klass, void *data) |
da4d0419 | 338 | { |
39bffca2 | 339 | DeviceClass *dc = DEVICE_CLASS(klass); |
d148211c | 340 | IDEDeviceClass *k = IDE_DEVICE_CLASS(klass); |
794939e8 MZ |
341 | |
342 | k->realize = ide_cd_realize; | |
39bffca2 | 343 | dc->fw_name = "drive"; |
794939e8 MZ |
344 | dc->desc = "virtual IDE CD-ROM"; |
345 | dc->props = ide_cd_properties; | |
d148211c | 346 | } |
1f56e32a | 347 | |
8c43a6f0 | 348 | static const TypeInfo ide_cd_info = { |
39bffca2 AL |
349 | .name = "ide-cd", |
350 | .parent = TYPE_IDE_DEVICE, | |
351 | .instance_size = sizeof(IDEDrive), | |
352 | .class_init = ide_cd_class_init, | |
353 | }; | |
354 | ||
355 | static Property ide_drive_properties[] = { | |
356 | DEFINE_IDE_DEV_PROPERTIES(), | |
357 | DEFINE_PROP_END_OF_LIST(), | |
d148211c AL |
358 | }; |
359 | ||
360 | static void ide_drive_class_init(ObjectClass *klass, void *data) | |
361 | { | |
39bffca2 | 362 | DeviceClass *dc = DEVICE_CLASS(klass); |
d148211c | 363 | IDEDeviceClass *k = IDE_DEVICE_CLASS(klass); |
794939e8 MZ |
364 | |
365 | k->realize = ide_drive_realize; | |
39bffca2 | 366 | dc->fw_name = "drive"; |
794939e8 MZ |
367 | dc->desc = "virtual IDE disk or CD-ROM (legacy)"; |
368 | dc->props = ide_drive_properties; | |
d148211c AL |
369 | } |
370 | ||
8c43a6f0 | 371 | static const TypeInfo ide_drive_info = { |
39bffca2 AL |
372 | .name = "ide-drive", |
373 | .parent = TYPE_IDE_DEVICE, | |
374 | .instance_size = sizeof(IDEDrive), | |
375 | .class_init = ide_drive_class_init, | |
d148211c AL |
376 | }; |
377 | ||
39bffca2 AL |
378 | static void ide_device_class_init(ObjectClass *klass, void *data) |
379 | { | |
380 | DeviceClass *k = DEVICE_CLASS(klass); | |
794939e8 | 381 | k->realize = ide_qdev_realize; |
125ee0ed | 382 | set_bit(DEVICE_CATEGORY_STORAGE, k->categories); |
0d936928 | 383 | k->bus_type = TYPE_IDE_BUS; |
bce54474 | 384 | k->props = ide_props; |
39bffca2 AL |
385 | } |
386 | ||
8c43a6f0 | 387 | static const TypeInfo ide_device_type_info = { |
d148211c AL |
388 | .name = TYPE_IDE_DEVICE, |
389 | .parent = TYPE_DEVICE, | |
390 | .instance_size = sizeof(IDEDevice), | |
391 | .abstract = true, | |
392 | .class_size = sizeof(IDEDeviceClass), | |
39bffca2 | 393 | .class_init = ide_device_class_init, |
45563630 | 394 | .instance_init = ide_dev_instance_init, |
d148211c AL |
395 | }; |
396 | ||
83f7d43a | 397 | static void ide_register_types(void) |
d148211c | 398 | { |
0d936928 | 399 | type_register_static(&ide_bus_info); |
39bffca2 AL |
400 | type_register_static(&ide_hd_info); |
401 | type_register_static(&ide_cd_info); | |
402 | type_register_static(&ide_drive_info); | |
d148211c | 403 | type_register_static(&ide_device_type_info); |
da4d0419 | 404 | } |
83f7d43a AF |
405 | |
406 | type_init(ide_register_types) |