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19#include "qemu/osdep.h"
20#include <hw/hw.h>
21#include "sysemu/dma.h"
22#include "qapi/error.h"
23#include "qemu/error-report.h"
24#include <hw/ide/internal.h>
25#include "sysemu/block-backend.h"
26#include "sysemu/blockdev.h"
27#include "hw/block/block.h"
28#include "sysemu/sysemu.h"
29#include "qapi/visitor.h"
30
31
32
33static char *idebus_get_fw_dev_path(DeviceState *dev);
34
35static Property ide_props[] = {
36 DEFINE_PROP_UINT32("unit", IDEDevice, unit, -1),
37 DEFINE_PROP_END_OF_LIST(),
38};
39
40static void ide_bus_class_init(ObjectClass *klass, void *data)
41{
42 BusClass *k = BUS_CLASS(klass);
43
44 k->get_fw_dev_path = idebus_get_fw_dev_path;
45}
46
47static const TypeInfo ide_bus_info = {
48 .name = TYPE_IDE_BUS,
49 .parent = TYPE_BUS,
50 .instance_size = sizeof(IDEBus),
51 .class_init = ide_bus_class_init,
52};
53
54void ide_bus_new(IDEBus *idebus, size_t idebus_size, DeviceState *dev,
55 int bus_id, int max_units)
56{
57 qbus_create_inplace(idebus, idebus_size, TYPE_IDE_BUS, dev, NULL);
58 idebus->bus_id = bus_id;
59 idebus->max_units = max_units;
60}
61
62static char *idebus_get_fw_dev_path(DeviceState *dev)
63{
64 char path[30];
65
66 snprintf(path, sizeof(path), "%s@%x", qdev_fw_name(dev),
67 ((IDEBus*)dev->parent_bus)->bus_id);
68
69 return g_strdup(path);
70}
71
72static int ide_qdev_init(DeviceState *qdev)
73{
74 IDEDevice *dev = IDE_DEVICE(qdev);
75 IDEDeviceClass *dc = IDE_DEVICE_GET_CLASS(dev);
76 IDEBus *bus = DO_UPCAST(IDEBus, qbus, qdev->parent_bus);
77
78 if (!dev->conf.blk) {
79 error_report("No drive specified");
80 goto err;
81 }
82 if (dev->unit == -1) {
83 dev->unit = bus->master ? 1 : 0;
84 }
85
86 if (dev->unit >= bus->max_units) {
87 error_report("Can't create IDE unit %d, bus supports only %d units",
88 dev->unit, bus->max_units);
89 goto err;
90 }
91
92 switch (dev->unit) {
93 case 0:
94 if (bus->master) {
95 error_report("IDE unit %d is in use", dev->unit);
96 goto err;
97 }
98 bus->master = dev;
99 break;
100 case 1:
101 if (bus->slave) {
102 error_report("IDE unit %d is in use", dev->unit);
103 goto err;
104 }
105 bus->slave = dev;
106 break;
107 default:
108 error_report("Invalid IDE unit %d", dev->unit);
109 goto err;
110 }
111 return dc->init(dev);
112
113err:
114 return -1;
115}
116
117IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive)
118{
119 DeviceState *dev;
120
121 dev = qdev_create(&bus->qbus, drive->media_cd ? "ide-cd" : "ide-hd");
122 qdev_prop_set_uint32(dev, "unit", unit);
123 qdev_prop_set_drive(dev, "drive", blk_by_legacy_dinfo(drive),
124 &error_fatal);
125 qdev_init_nofail(dev);
126 return DO_UPCAST(IDEDevice, qdev, dev);
127}
128
129int ide_get_geometry(BusState *bus, int unit,
130 int16_t *cyls, int8_t *heads, int8_t *secs)
131{
132 IDEState *s = &DO_UPCAST(IDEBus, qbus, bus)->ifs[unit];
133
134 if (s->drive_kind != IDE_HD || !s->blk) {
135 return -1;
136 }
137
138 *cyls = s->cylinders;
139 *heads = s->heads;
140 *secs = s->sectors;
141 return 0;
142}
143
144int ide_get_bios_chs_trans(BusState *bus, int unit)
145{
146 return DO_UPCAST(IDEBus, qbus, bus)->ifs[unit].chs_trans;
147}
148
149
150
151typedef struct IDEDrive {
152 IDEDevice dev;
153} IDEDrive;
154
155static int ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind)
156{
157 IDEBus *bus = DO_UPCAST(IDEBus, qbus, dev->qdev.parent_bus);
158 IDEState *s = bus->ifs + dev->unit;
159 Error *err = NULL;
160
161 if (dev->conf.discard_granularity == -1) {
162 dev->conf.discard_granularity = 512;
163 } else if (dev->conf.discard_granularity &&
164 dev->conf.discard_granularity != 512) {
165 error_report("discard_granularity must be 512 for ide");
166 return -1;
167 }
168
169 blkconf_blocksizes(&dev->conf);
170 if (dev->conf.logical_block_size != 512) {
171 error_report("logical_block_size must be 512 for IDE");
172 return -1;
173 }
174
175 blkconf_serial(&dev->conf, &dev->serial);
176 if (kind != IDE_CD) {
177 blkconf_geometry(&dev->conf, &dev->chs_trans, 65535, 16, 255, &err);
178 if (err) {
179 error_report_err(err);
180 return -1;
181 }
182 }
183
184 if (ide_init_drive(s, dev->conf.blk, kind,
185 dev->version, dev->serial, dev->model, dev->wwn,
186 dev->conf.cyls, dev->conf.heads, dev->conf.secs,
187 dev->chs_trans) < 0) {
188 return -1;
189 }
190
191 if (!dev->version) {
192 dev->version = g_strdup(s->version);
193 }
194 if (!dev->serial) {
195 dev->serial = g_strdup(s->drive_serial_str);
196 }
197
198 add_boot_device_path(dev->conf.bootindex, &dev->qdev,
199 dev->unit ? "/disk@1" : "/disk@0");
200
201 return 0;
202}
203
204static void ide_dev_get_bootindex(Object *obj, Visitor *v, const char *name,
205 void *opaque, Error **errp)
206{
207 IDEDevice *d = IDE_DEVICE(obj);
208
209 visit_type_int32(v, name, &d->conf.bootindex, errp);
210}
211
212static void ide_dev_set_bootindex(Object *obj, Visitor *v, const char *name,
213 void *opaque, Error **errp)
214{
215 IDEDevice *d = IDE_DEVICE(obj);
216 int32_t boot_index;
217 Error *local_err = NULL;
218
219 visit_type_int32(v, name, &boot_index, &local_err);
220 if (local_err) {
221 goto out;
222 }
223
224 check_boot_index(boot_index, &local_err);
225 if (local_err) {
226 goto out;
227 }
228
229 d->conf.bootindex = boot_index;
230
231 if (d->unit != -1) {
232 add_boot_device_path(d->conf.bootindex, &d->qdev,
233 d->unit ? "/disk@1" : "/disk@0");
234 }
235out:
236 if (local_err) {
237 error_propagate(errp, local_err);
238 }
239}
240
241static void ide_dev_instance_init(Object *obj)
242{
243 object_property_add(obj, "bootindex", "int32",
244 ide_dev_get_bootindex,
245 ide_dev_set_bootindex, NULL, NULL, NULL);
246 object_property_set_int(obj, -1, "bootindex", NULL);
247}
248
249static int ide_hd_initfn(IDEDevice *dev)
250{
251 return ide_dev_initfn(dev, IDE_HD);
252}
253
254static int ide_cd_initfn(IDEDevice *dev)
255{
256 return ide_dev_initfn(dev, IDE_CD);
257}
258
259static int ide_drive_initfn(IDEDevice *dev)
260{
261 DriveInfo *dinfo = blk_legacy_dinfo(dev->conf.blk);
262
263 return ide_dev_initfn(dev, dinfo && dinfo->media_cd ? IDE_CD : IDE_HD);
264}
265
266#define DEFINE_IDE_DEV_PROPERTIES() \
267 DEFINE_BLOCK_PROPERTIES(IDEDrive, dev.conf), \
268 DEFINE_PROP_STRING("ver", IDEDrive, dev.version), \
269 DEFINE_PROP_UINT64("wwn", IDEDrive, dev.wwn, 0), \
270 DEFINE_PROP_STRING("serial", IDEDrive, dev.serial),\
271 DEFINE_PROP_STRING("model", IDEDrive, dev.model)
272
273static Property ide_hd_properties[] = {
274 DEFINE_IDE_DEV_PROPERTIES(),
275 DEFINE_BLOCK_CHS_PROPERTIES(IDEDrive, dev.conf),
276 DEFINE_PROP_BIOS_CHS_TRANS("bios-chs-trans",
277 IDEDrive, dev.chs_trans, BIOS_ATA_TRANSLATION_AUTO),
278 DEFINE_PROP_END_OF_LIST(),
279};
280
281static void ide_hd_class_init(ObjectClass *klass, void *data)
282{
283 DeviceClass *dc = DEVICE_CLASS(klass);
284 IDEDeviceClass *k = IDE_DEVICE_CLASS(klass);
285 k->init = ide_hd_initfn;
286 dc->fw_name = "drive";
287 dc->desc = "virtual IDE disk";
288 dc->props = ide_hd_properties;
289}
290
291static const TypeInfo ide_hd_info = {
292 .name = "ide-hd",
293 .parent = TYPE_IDE_DEVICE,
294 .instance_size = sizeof(IDEDrive),
295 .class_init = ide_hd_class_init,
296};
297
298static Property ide_cd_properties[] = {
299 DEFINE_IDE_DEV_PROPERTIES(),
300 DEFINE_PROP_END_OF_LIST(),
301};
302
303static void ide_cd_class_init(ObjectClass *klass, void *data)
304{
305 DeviceClass *dc = DEVICE_CLASS(klass);
306 IDEDeviceClass *k = IDE_DEVICE_CLASS(klass);
307 k->init = ide_cd_initfn;
308 dc->fw_name = "drive";
309 dc->desc = "virtual IDE CD-ROM";
310 dc->props = ide_cd_properties;
311}
312
313static const TypeInfo ide_cd_info = {
314 .name = "ide-cd",
315 .parent = TYPE_IDE_DEVICE,
316 .instance_size = sizeof(IDEDrive),
317 .class_init = ide_cd_class_init,
318};
319
320static Property ide_drive_properties[] = {
321 DEFINE_IDE_DEV_PROPERTIES(),
322 DEFINE_PROP_END_OF_LIST(),
323};
324
325static void ide_drive_class_init(ObjectClass *klass, void *data)
326{
327 DeviceClass *dc = DEVICE_CLASS(klass);
328 IDEDeviceClass *k = IDE_DEVICE_CLASS(klass);
329 k->init = ide_drive_initfn;
330 dc->fw_name = "drive";
331 dc->desc = "virtual IDE disk or CD-ROM (legacy)";
332 dc->props = ide_drive_properties;
333}
334
335static const TypeInfo ide_drive_info = {
336 .name = "ide-drive",
337 .parent = TYPE_IDE_DEVICE,
338 .instance_size = sizeof(IDEDrive),
339 .class_init = ide_drive_class_init,
340};
341
342static void ide_device_class_init(ObjectClass *klass, void *data)
343{
344 DeviceClass *k = DEVICE_CLASS(klass);
345 k->init = ide_qdev_init;
346 set_bit(DEVICE_CATEGORY_STORAGE, k->categories);
347 k->bus_type = TYPE_IDE_BUS;
348 k->props = ide_props;
349}
350
351static const TypeInfo ide_device_type_info = {
352 .name = TYPE_IDE_DEVICE,
353 .parent = TYPE_DEVICE,
354 .instance_size = sizeof(IDEDevice),
355 .abstract = true,
356 .class_size = sizeof(IDEDeviceClass),
357 .class_init = ide_device_class_init,
358 .instance_init = ide_dev_instance_init,
359};
360
361static void ide_register_types(void)
362{
363 type_register_static(&ide_bus_info);
364 type_register_static(&ide_hd_info);
365 type_register_static(&ide_cd_info);
366 type_register_static(&ide_drive_info);
367 type_register_static(&ide_device_type_info);
368}
369
370type_init(ide_register_types)
371
