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19#include <hw/hw.h>
20#include "sysemu/dma.h"
21#include "qemu/error-report.h"
22#include <hw/ide/internal.h>
23#include "sysemu/blockdev.h"
24#include "hw/block/block.h"
25#include "sysemu/sysemu.h"
26
27
28
29static char *idebus_get_fw_dev_path(DeviceState *dev);
30
31static Property ide_props[] = {
32 DEFINE_PROP_UINT32("unit", IDEDevice, unit, -1),
33 DEFINE_PROP_END_OF_LIST(),
34};
35
36static void ide_bus_class_init(ObjectClass *klass, void *data)
37{
38 BusClass *k = BUS_CLASS(klass);
39
40 k->get_fw_dev_path = idebus_get_fw_dev_path;
41}
42
43static const TypeInfo ide_bus_info = {
44 .name = TYPE_IDE_BUS,
45 .parent = TYPE_BUS,
46 .instance_size = sizeof(IDEBus),
47 .class_init = ide_bus_class_init,
48};
49
50void ide_bus_new(IDEBus *idebus, DeviceState *dev, int bus_id, int max_units)
51{
52 qbus_create_inplace(&idebus->qbus, TYPE_IDE_BUS, dev, NULL);
53 idebus->bus_id = bus_id;
54 idebus->max_units = max_units;
55}
56
57static char *idebus_get_fw_dev_path(DeviceState *dev)
58{
59 char path[30];
60
61 snprintf(path, sizeof(path), "%s@%d", qdev_fw_name(dev),
62 ((IDEBus*)dev->parent_bus)->bus_id);
63
64 return g_strdup(path);
65}
66
67static int ide_qdev_init(DeviceState *qdev)
68{
69 IDEDevice *dev = IDE_DEVICE(qdev);
70 IDEDeviceClass *dc = IDE_DEVICE_GET_CLASS(dev);
71 IDEBus *bus = DO_UPCAST(IDEBus, qbus, qdev->parent_bus);
72
73 if (!dev->conf.bs) {
74 error_report("No drive specified");
75 goto err;
76 }
77 if (dev->unit == -1) {
78 dev->unit = bus->master ? 1 : 0;
79 }
80
81 if (dev->unit >= bus->max_units) {
82 error_report("Can't create IDE unit %d, bus supports only %d units",
83 dev->unit, bus->max_units);
84 goto err;
85 }
86
87 switch (dev->unit) {
88 case 0:
89 if (bus->master) {
90 error_report("IDE unit %d is in use", dev->unit);
91 goto err;
92 }
93 bus->master = dev;
94 break;
95 case 1:
96 if (bus->slave) {
97 error_report("IDE unit %d is in use", dev->unit);
98 goto err;
99 }
100 bus->slave = dev;
101 break;
102 default:
103 error_report("Invalid IDE unit %d", dev->unit);
104 goto err;
105 }
106 return dc->init(dev);
107
108err:
109 return -1;
110}
111
112IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive)
113{
114 DeviceState *dev;
115
116 dev = qdev_create(&bus->qbus, drive->media_cd ? "ide-cd" : "ide-hd");
117 qdev_prop_set_uint32(dev, "unit", unit);
118 qdev_prop_set_drive_nofail(dev, "drive", drive->bdrv);
119 qdev_init_nofail(dev);
120 return DO_UPCAST(IDEDevice, qdev, dev);
121}
122
123int ide_get_geometry(BusState *bus, int unit,
124 int16_t *cyls, int8_t *heads, int8_t *secs)
125{
126 IDEState *s = &DO_UPCAST(IDEBus, qbus, bus)->ifs[unit];
127
128 if (s->drive_kind != IDE_HD || !s->bs) {
129 return -1;
130 }
131
132 *cyls = s->cylinders;
133 *heads = s->heads;
134 *secs = s->sectors;
135 return 0;
136}
137
138int ide_get_bios_chs_trans(BusState *bus, int unit)
139{
140 return DO_UPCAST(IDEBus, qbus, bus)->ifs[unit].chs_trans;
141}
142
143
144
145typedef struct IDEDrive {
146 IDEDevice dev;
147} IDEDrive;
148
149static int ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind)
150{
151 IDEBus *bus = DO_UPCAST(IDEBus, qbus, dev->qdev.parent_bus);
152 IDEState *s = bus->ifs + dev->unit;
153
154 if (dev->conf.discard_granularity == -1) {
155 dev->conf.discard_granularity = 512;
156 } else if (dev->conf.discard_granularity &&
157 dev->conf.discard_granularity != 512) {
158 error_report("discard_granularity must be 512 for ide");
159 return -1;
160 }
161
162 blkconf_serial(&dev->conf, &dev->serial);
163 if (kind != IDE_CD
164 && blkconf_geometry(&dev->conf, &dev->chs_trans, 65536, 16, 255) < 0) {
165 return -1;
166 }
167
168 if (ide_init_drive(s, dev->conf.bs, kind,
169 dev->version, dev->serial, dev->model, dev->wwn,
170 dev->conf.cyls, dev->conf.heads, dev->conf.secs,
171 dev->chs_trans) < 0) {
172 return -1;
173 }
174
175 if (!dev->version) {
176 dev->version = g_strdup(s->version);
177 }
178 if (!dev->serial) {
179 dev->serial = g_strdup(s->drive_serial_str);
180 }
181
182 add_boot_device_path(dev->conf.bootindex, &dev->qdev,
183 dev->unit ? "/disk@1" : "/disk@0");
184
185 return 0;
186}
187
188static int ide_hd_initfn(IDEDevice *dev)
189{
190 return ide_dev_initfn(dev, IDE_HD);
191}
192
193static int ide_cd_initfn(IDEDevice *dev)
194{
195 return ide_dev_initfn(dev, IDE_CD);
196}
197
198static int ide_drive_initfn(IDEDevice *dev)
199{
200 DriveInfo *dinfo = drive_get_by_blockdev(dev->conf.bs);
201
202 return ide_dev_initfn(dev, dinfo->media_cd ? IDE_CD : IDE_HD);
203}
204
205#define DEFINE_IDE_DEV_PROPERTIES() \
206 DEFINE_BLOCK_PROPERTIES(IDEDrive, dev.conf), \
207 DEFINE_PROP_STRING("ver", IDEDrive, dev.version), \
208 DEFINE_PROP_HEX64("wwn", IDEDrive, dev.wwn, 0), \
209 DEFINE_PROP_STRING("serial", IDEDrive, dev.serial),\
210 DEFINE_PROP_STRING("model", IDEDrive, dev.model)
211
212static Property ide_hd_properties[] = {
213 DEFINE_IDE_DEV_PROPERTIES(),
214 DEFINE_BLOCK_CHS_PROPERTIES(IDEDrive, dev.conf),
215 DEFINE_PROP_BIOS_CHS_TRANS("bios-chs-trans",
216 IDEDrive, dev.chs_trans, BIOS_ATA_TRANSLATION_AUTO),
217 DEFINE_PROP_END_OF_LIST(),
218};
219
220static void ide_hd_class_init(ObjectClass *klass, void *data)
221{
222 DeviceClass *dc = DEVICE_CLASS(klass);
223 IDEDeviceClass *k = IDE_DEVICE_CLASS(klass);
224 k->init = ide_hd_initfn;
225 dc->fw_name = "drive";
226 dc->desc = "virtual IDE disk";
227 dc->props = ide_hd_properties;
228}
229
230static const TypeInfo ide_hd_info = {
231 .name = "ide-hd",
232 .parent = TYPE_IDE_DEVICE,
233 .instance_size = sizeof(IDEDrive),
234 .class_init = ide_hd_class_init,
235};
236
237static Property ide_cd_properties[] = {
238 DEFINE_IDE_DEV_PROPERTIES(),
239 DEFINE_PROP_END_OF_LIST(),
240};
241
242static void ide_cd_class_init(ObjectClass *klass, void *data)
243{
244 DeviceClass *dc = DEVICE_CLASS(klass);
245 IDEDeviceClass *k = IDE_DEVICE_CLASS(klass);
246 k->init = ide_cd_initfn;
247 dc->fw_name = "drive";
248 dc->desc = "virtual IDE CD-ROM";
249 dc->props = ide_cd_properties;
250}
251
252static const TypeInfo ide_cd_info = {
253 .name = "ide-cd",
254 .parent = TYPE_IDE_DEVICE,
255 .instance_size = sizeof(IDEDrive),
256 .class_init = ide_cd_class_init,
257};
258
259static Property ide_drive_properties[] = {
260 DEFINE_IDE_DEV_PROPERTIES(),
261 DEFINE_PROP_END_OF_LIST(),
262};
263
264static void ide_drive_class_init(ObjectClass *klass, void *data)
265{
266 DeviceClass *dc = DEVICE_CLASS(klass);
267 IDEDeviceClass *k = IDE_DEVICE_CLASS(klass);
268 k->init = ide_drive_initfn;
269 dc->fw_name = "drive";
270 dc->desc = "virtual IDE disk or CD-ROM (legacy)";
271 dc->props = ide_drive_properties;
272}
273
274static const TypeInfo ide_drive_info = {
275 .name = "ide-drive",
276 .parent = TYPE_IDE_DEVICE,
277 .instance_size = sizeof(IDEDrive),
278 .class_init = ide_drive_class_init,
279};
280
281static void ide_device_class_init(ObjectClass *klass, void *data)
282{
283 DeviceClass *k = DEVICE_CLASS(klass);
284 k->init = ide_qdev_init;
285 set_bit(DEVICE_CATEGORY_STORAGE, k->categories);
286 k->bus_type = TYPE_IDE_BUS;
287 k->props = ide_props;
288}
289
290static const TypeInfo ide_device_type_info = {
291 .name = TYPE_IDE_DEVICE,
292 .parent = TYPE_DEVICE,
293 .instance_size = sizeof(IDEDevice),
294 .abstract = true,
295 .class_size = sizeof(IDEDeviceClass),
296 .class_init = ide_device_class_init,
297};
298
299static void ide_register_types(void)
300{
301 type_register_static(&ide_bus_info);
302 type_register_static(&ide_hd_info);
303 type_register_static(&ide_cd_info);
304 type_register_static(&ide_drive_info);
305 type_register_static(&ide_device_type_info);
306}
307
308type_init(ide_register_types)
309
