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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 | */ | |
53239262 | 19 | #include "qemu/osdep.h" |
da4d0419 | 20 | #include <hw/hw.h> |
9c17d615 | 21 | #include "sysemu/dma.h" |
1de7afc9 | 22 | #include "qemu/error-report.h" |
da4d0419 | 23 | #include <hw/ide/internal.h> |
fa1d36df | 24 | #include "sysemu/block-backend.h" |
9c17d615 | 25 | #include "sysemu/blockdev.h" |
0d09e41a | 26 | #include "hw/block/block.h" |
9c17d615 | 27 | #include "sysemu/sysemu.h" |
45563630 | 28 | #include "qapi/visitor.h" |
da4d0419 GH |
29 | |
30 | /* --------------------------------- */ | |
31 | ||
dc1a46b6 GN |
32 | static char *idebus_get_fw_dev_path(DeviceState *dev); |
33 | ||
3cb75a7c PB |
34 | static Property ide_props[] = { |
35 | DEFINE_PROP_UINT32("unit", IDEDevice, unit, -1), | |
36 | DEFINE_PROP_END_OF_LIST(), | |
37 | }; | |
38 | ||
0d936928 AL |
39 | static void ide_bus_class_init(ObjectClass *klass, void *data) |
40 | { | |
41 | BusClass *k = BUS_CLASS(klass); | |
42 | ||
43 | k->get_fw_dev_path = idebus_get_fw_dev_path; | |
44 | } | |
45 | ||
46 | static const TypeInfo ide_bus_info = { | |
47 | .name = TYPE_IDE_BUS, | |
48 | .parent = TYPE_BUS, | |
49 | .instance_size = sizeof(IDEBus), | |
50 | .class_init = ide_bus_class_init, | |
da4d0419 GH |
51 | }; |
52 | ||
c6baf942 AF |
53 | void ide_bus_new(IDEBus *idebus, size_t idebus_size, DeviceState *dev, |
54 | int bus_id, int max_units) | |
da4d0419 | 55 | { |
fb17dfe0 | 56 | qbus_create_inplace(idebus, idebus_size, TYPE_IDE_BUS, dev, NULL); |
3835510f | 57 | idebus->bus_id = bus_id; |
0ee20e66 | 58 | idebus->max_units = max_units; |
da4d0419 GH |
59 | } |
60 | ||
dc1a46b6 GN |
61 | static char *idebus_get_fw_dev_path(DeviceState *dev) |
62 | { | |
63 | char path[30]; | |
64 | ||
28fa7133 | 65 | snprintf(path, sizeof(path), "%s@%x", qdev_fw_name(dev), |
dc1a46b6 GN |
66 | ((IDEBus*)dev->parent_bus)->bus_id); |
67 | ||
a5cf8262 | 68 | return g_strdup(path); |
dc1a46b6 GN |
69 | } |
70 | ||
d307af79 | 71 | static int ide_qdev_init(DeviceState *qdev) |
da4d0419 | 72 | { |
d148211c AL |
73 | IDEDevice *dev = IDE_DEVICE(qdev); |
74 | IDEDeviceClass *dc = IDE_DEVICE_GET_CLASS(dev); | |
da4d0419 GH |
75 | IDEBus *bus = DO_UPCAST(IDEBus, qbus, qdev->parent_bus); |
76 | ||
4be74634 | 77 | if (!dev->conf.blk) { |
f597627f | 78 | error_report("No drive specified"); |
da4d0419 GH |
79 | goto err; |
80 | } | |
81 | if (dev->unit == -1) { | |
82 | dev->unit = bus->master ? 1 : 0; | |
83 | } | |
0ee20e66 KW |
84 | |
85 | if (dev->unit >= bus->max_units) { | |
86 | error_report("Can't create IDE unit %d, bus supports only %d units", | |
87 | dev->unit, bus->max_units); | |
88 | goto err; | |
89 | } | |
90 | ||
da4d0419 GH |
91 | switch (dev->unit) { |
92 | case 0: | |
93 | if (bus->master) { | |
f597627f | 94 | error_report("IDE unit %d is in use", dev->unit); |
da4d0419 GH |
95 | goto err; |
96 | } | |
97 | bus->master = dev; | |
98 | break; | |
99 | case 1: | |
100 | if (bus->slave) { | |
f597627f | 101 | error_report("IDE unit %d is in use", dev->unit); |
da4d0419 GH |
102 | goto err; |
103 | } | |
104 | bus->slave = dev; | |
105 | break; | |
106 | default: | |
f597627f | 107 | error_report("Invalid IDE unit %d", dev->unit); |
da4d0419 GH |
108 | goto err; |
109 | } | |
d148211c | 110 | return dc->init(dev); |
da4d0419 GH |
111 | |
112 | err: | |
113 | return -1; | |
114 | } | |
115 | ||
da4d0419 GH |
116 | IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive) |
117 | { | |
118 | DeviceState *dev; | |
119 | ||
95b5edcd | 120 | dev = qdev_create(&bus->qbus, drive->media_cd ? "ide-cd" : "ide-hd"); |
da4d0419 | 121 | qdev_prop_set_uint32(dev, "unit", unit); |
6231a6da MA |
122 | qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(drive), |
123 | &error_fatal); | |
fa12fbbe | 124 | qdev_init_nofail(dev); |
da4d0419 GH |
125 | return DO_UPCAST(IDEDevice, qdev, dev); |
126 | } | |
127 | ||
9139046c MA |
128 | int ide_get_geometry(BusState *bus, int unit, |
129 | int16_t *cyls, int8_t *heads, int8_t *secs) | |
c0897e0c | 130 | { |
9139046c MA |
131 | IDEState *s = &DO_UPCAST(IDEBus, qbus, bus)->ifs[unit]; |
132 | ||
4be74634 | 133 | if (s->drive_kind != IDE_HD || !s->blk) { |
9139046c MA |
134 | return -1; |
135 | } | |
136 | ||
137 | *cyls = s->cylinders; | |
138 | *heads = s->heads; | |
139 | *secs = s->sectors; | |
140 | return 0; | |
141 | } | |
142 | ||
143 | int ide_get_bios_chs_trans(BusState *bus, int unit) | |
144 | { | |
145 | return DO_UPCAST(IDEBus, qbus, bus)->ifs[unit].chs_trans; | |
c0897e0c MA |
146 | } |
147 | ||
da4d0419 GH |
148 | /* --------------------------------- */ |
149 | ||
150 | typedef struct IDEDrive { | |
151 | IDEDevice dev; | |
152 | } IDEDrive; | |
153 | ||
1f56e32a | 154 | static int ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind) |
da4d0419 GH |
155 | { |
156 | IDEBus *bus = DO_UPCAST(IDEBus, qbus, dev->qdev.parent_bus); | |
6ced55a5 | 157 | IDEState *s = bus->ifs + dev->unit; |
5ff5efb4 | 158 | Error *err = NULL; |
6ced55a5 | 159 | |
215e47b9 PB |
160 | if (dev->conf.discard_granularity == -1) { |
161 | dev->conf.discard_granularity = 512; | |
162 | } else if (dev->conf.discard_granularity && | |
163 | dev->conf.discard_granularity != 512) { | |
d353fb72 CH |
164 | error_report("discard_granularity must be 512 for ide"); |
165 | return -1; | |
166 | } | |
167 | ||
0eb28a42 | 168 | blkconf_blocksizes(&dev->conf); |
d2005185 KW |
169 | if (dev->conf.logical_block_size != 512) { |
170 | error_report("logical_block_size must be 512 for IDE"); | |
171 | return -1; | |
172 | } | |
173 | ||
911525db | 174 | blkconf_serial(&dev->conf, &dev->serial); |
5ff5efb4 | 175 | if (kind != IDE_CD) { |
4f086994 | 176 | blkconf_geometry(&dev->conf, &dev->chs_trans, 65535, 16, 255, &err); |
5ff5efb4 | 177 | if (err) { |
565f65d2 | 178 | error_report_err(err); |
5ff5efb4 FZ |
179 | return -1; |
180 | } | |
ba801960 MA |
181 | } |
182 | ||
4be74634 | 183 | if (ide_init_drive(s, dev->conf.blk, kind, |
911525db | 184 | dev->version, dev->serial, dev->model, dev->wwn, |
ba801960 | 185 | dev->conf.cyls, dev->conf.heads, dev->conf.secs, |
6e6f61a6 | 186 | dev->chs_trans) < 0) { |
c4d74df7 MA |
187 | return -1; |
188 | } | |
6ced55a5 | 189 | |
03432407 | 190 | if (!dev->version) { |
7267c094 | 191 | dev->version = g_strdup(s->version); |
03432407 | 192 | } |
6ced55a5 | 193 | if (!dev->serial) { |
7267c094 | 194 | dev->serial = g_strdup(s->drive_serial_str); |
6ced55a5 | 195 | } |
1ca4d09a GN |
196 | |
197 | add_boot_device_path(dev->conf.bootindex, &dev->qdev, | |
198 | dev->unit ? "/disk@1" : "/disk@0"); | |
199 | ||
da4d0419 GH |
200 | return 0; |
201 | } | |
202 | ||
45563630 GA |
203 | static void ide_dev_get_bootindex(Object *obj, Visitor *v, void *opaque, |
204 | const char *name, Error **errp) | |
205 | { | |
206 | IDEDevice *d = IDE_DEVICE(obj); | |
207 | ||
208 | visit_type_int32(v, &d->conf.bootindex, name, errp); | |
209 | } | |
210 | ||
211 | static void ide_dev_set_bootindex(Object *obj, Visitor *v, void *opaque, | |
212 | const char *name, Error **errp) | |
213 | { | |
214 | IDEDevice *d = IDE_DEVICE(obj); | |
215 | int32_t boot_index; | |
216 | Error *local_err = NULL; | |
217 | ||
218 | visit_type_int32(v, &boot_index, name, &local_err); | |
219 | if (local_err) { | |
220 | goto out; | |
221 | } | |
222 | /* check whether bootindex is present in fw_boot_order list */ | |
223 | check_boot_index(boot_index, &local_err); | |
224 | if (local_err) { | |
225 | goto out; | |
226 | } | |
227 | /* change bootindex to a new one */ | |
228 | d->conf.bootindex = boot_index; | |
229 | ||
d2b186f9 GA |
230 | if (d->unit != -1) { |
231 | add_boot_device_path(d->conf.bootindex, &d->qdev, | |
232 | d->unit ? "/disk@1" : "/disk@0"); | |
233 | } | |
45563630 GA |
234 | out: |
235 | if (local_err) { | |
236 | error_propagate(errp, local_err); | |
237 | } | |
238 | } | |
239 | ||
240 | static void ide_dev_instance_init(Object *obj) | |
241 | { | |
242 | object_property_add(obj, "bootindex", "int32", | |
243 | ide_dev_get_bootindex, | |
244 | ide_dev_set_bootindex, NULL, NULL, NULL); | |
d2b186f9 | 245 | object_property_set_int(obj, -1, "bootindex", NULL); |
45563630 GA |
246 | } |
247 | ||
1f56e32a MA |
248 | static int ide_hd_initfn(IDEDevice *dev) |
249 | { | |
250 | return ide_dev_initfn(dev, IDE_HD); | |
251 | } | |
252 | ||
253 | static int ide_cd_initfn(IDEDevice *dev) | |
254 | { | |
255 | return ide_dev_initfn(dev, IDE_CD); | |
256 | } | |
257 | ||
258 | static int ide_drive_initfn(IDEDevice *dev) | |
259 | { | |
4be74634 | 260 | DriveInfo *dinfo = blk_legacy_dinfo(dev->conf.blk); |
95b5edcd | 261 | |
26f8b3a8 | 262 | return ide_dev_initfn(dev, dinfo && dinfo->media_cd ? IDE_CD : IDE_HD); |
1f56e32a MA |
263 | } |
264 | ||
265 | #define DEFINE_IDE_DEV_PROPERTIES() \ | |
1f56e32a MA |
266 | DEFINE_BLOCK_PROPERTIES(IDEDrive, dev.conf), \ |
267 | DEFINE_PROP_STRING("ver", IDEDrive, dev.version), \ | |
c7bcc85d | 268 | DEFINE_PROP_UINT64("wwn", IDEDrive, dev.wwn, 0), \ |
27e0c9a1 FB |
269 | DEFINE_PROP_STRING("serial", IDEDrive, dev.serial),\ |
270 | DEFINE_PROP_STRING("model", IDEDrive, dev.model) | |
1f56e32a | 271 | |
39bffca2 AL |
272 | static Property ide_hd_properties[] = { |
273 | DEFINE_IDE_DEV_PROPERTIES(), | |
ba801960 | 274 | DEFINE_BLOCK_CHS_PROPERTIES(IDEDrive, dev.conf), |
6e6f61a6 MA |
275 | DEFINE_PROP_BIOS_CHS_TRANS("bios-chs-trans", |
276 | IDEDrive, dev.chs_trans, BIOS_ATA_TRANSLATION_AUTO), | |
39bffca2 AL |
277 | DEFINE_PROP_END_OF_LIST(), |
278 | }; | |
279 | ||
d148211c AL |
280 | static void ide_hd_class_init(ObjectClass *klass, void *data) |
281 | { | |
39bffca2 | 282 | DeviceClass *dc = DEVICE_CLASS(klass); |
d148211c AL |
283 | IDEDeviceClass *k = IDE_DEVICE_CLASS(klass); |
284 | k->init = ide_hd_initfn; | |
39bffca2 AL |
285 | dc->fw_name = "drive"; |
286 | dc->desc = "virtual IDE disk"; | |
287 | dc->props = ide_hd_properties; | |
d148211c AL |
288 | } |
289 | ||
8c43a6f0 | 290 | static const TypeInfo ide_hd_info = { |
39bffca2 AL |
291 | .name = "ide-hd", |
292 | .parent = TYPE_IDE_DEVICE, | |
293 | .instance_size = sizeof(IDEDrive), | |
294 | .class_init = ide_hd_class_init, | |
295 | }; | |
296 | ||
297 | static Property ide_cd_properties[] = { | |
298 | DEFINE_IDE_DEV_PROPERTIES(), | |
299 | DEFINE_PROP_END_OF_LIST(), | |
da4d0419 GH |
300 | }; |
301 | ||
d148211c | 302 | static void ide_cd_class_init(ObjectClass *klass, void *data) |
da4d0419 | 303 | { |
39bffca2 | 304 | DeviceClass *dc = DEVICE_CLASS(klass); |
d148211c AL |
305 | IDEDeviceClass *k = IDE_DEVICE_CLASS(klass); |
306 | k->init = ide_cd_initfn; | |
39bffca2 AL |
307 | dc->fw_name = "drive"; |
308 | dc->desc = "virtual IDE CD-ROM"; | |
309 | dc->props = ide_cd_properties; | |
d148211c | 310 | } |
1f56e32a | 311 | |
8c43a6f0 | 312 | static const TypeInfo ide_cd_info = { |
39bffca2 AL |
313 | .name = "ide-cd", |
314 | .parent = TYPE_IDE_DEVICE, | |
315 | .instance_size = sizeof(IDEDrive), | |
316 | .class_init = ide_cd_class_init, | |
317 | }; | |
318 | ||
319 | static Property ide_drive_properties[] = { | |
320 | DEFINE_IDE_DEV_PROPERTIES(), | |
321 | DEFINE_PROP_END_OF_LIST(), | |
d148211c AL |
322 | }; |
323 | ||
324 | static void ide_drive_class_init(ObjectClass *klass, void *data) | |
325 | { | |
39bffca2 | 326 | DeviceClass *dc = DEVICE_CLASS(klass); |
d148211c AL |
327 | IDEDeviceClass *k = IDE_DEVICE_CLASS(klass); |
328 | k->init = ide_drive_initfn; | |
39bffca2 AL |
329 | dc->fw_name = "drive"; |
330 | dc->desc = "virtual IDE disk or CD-ROM (legacy)"; | |
331 | dc->props = ide_drive_properties; | |
d148211c AL |
332 | } |
333 | ||
8c43a6f0 | 334 | static const TypeInfo ide_drive_info = { |
39bffca2 AL |
335 | .name = "ide-drive", |
336 | .parent = TYPE_IDE_DEVICE, | |
337 | .instance_size = sizeof(IDEDrive), | |
338 | .class_init = ide_drive_class_init, | |
d148211c AL |
339 | }; |
340 | ||
39bffca2 AL |
341 | static void ide_device_class_init(ObjectClass *klass, void *data) |
342 | { | |
343 | DeviceClass *k = DEVICE_CLASS(klass); | |
344 | k->init = ide_qdev_init; | |
125ee0ed | 345 | set_bit(DEVICE_CATEGORY_STORAGE, k->categories); |
0d936928 | 346 | k->bus_type = TYPE_IDE_BUS; |
bce54474 | 347 | k->props = ide_props; |
39bffca2 AL |
348 | } |
349 | ||
8c43a6f0 | 350 | static const TypeInfo ide_device_type_info = { |
d148211c AL |
351 | .name = TYPE_IDE_DEVICE, |
352 | .parent = TYPE_DEVICE, | |
353 | .instance_size = sizeof(IDEDevice), | |
354 | .abstract = true, | |
355 | .class_size = sizeof(IDEDeviceClass), | |
39bffca2 | 356 | .class_init = ide_device_class_init, |
45563630 | 357 | .instance_init = ide_dev_instance_init, |
d148211c AL |
358 | }; |
359 | ||
83f7d43a | 360 | static void ide_register_types(void) |
d148211c | 361 | { |
0d936928 | 362 | type_register_static(&ide_bus_info); |
39bffca2 AL |
363 | type_register_static(&ide_hd_info); |
364 | type_register_static(&ide_cd_info); | |
365 | type_register_static(&ide_drive_info); | |
d148211c | 366 | type_register_static(&ide_device_type_info); |
da4d0419 | 367 | } |
83f7d43a AF |
368 | |
369 | type_init(ide_register_types) |