#include <windows.h>
#endif
+static void bdrv_dev_change_media_cb(BlockDriverState *bs, bool load);
static BlockDriverAIOCB *bdrv_aio_readv_em(BlockDriverState *bs,
int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
BlockDriverCompletionFunc *cb, void *opaque);
bs->encrypted = 0;
bs->valid_key = 0;
bs->open_flags = flags;
- /* buffer_alignment defaulted to 512, drivers can change this value */
bs->buffer_alignment = 512;
pstrcpy(bs->filename, sizeof(bs->filename), filename);
}
if (!bdrv_key_required(bs)) {
- /* call the change callback */
- bs->media_changed = 1;
- if (bs->change_cb)
- bs->change_cb(bs->change_opaque, CHANGE_MEDIA);
+ bdrv_dev_change_media_cb(bs, true);
}
return 0;
bdrv_close(bs->file);
}
- /* call the change callback */
- bs->media_changed = 1;
- if (bs->change_cb)
- bs->change_cb(bs->change_opaque, CHANGE_MEDIA);
+ bdrv_dev_change_media_cb(bs, false);
}
}
void bdrv_delete(BlockDriverState *bs)
{
- assert(!bs->peer);
+ assert(!bs->dev);
/* remove from list, if necessary */
bdrv_make_anon(bs);
g_free(bs);
}
-int bdrv_attach(BlockDriverState *bs, DeviceState *qdev)
+int bdrv_attach_dev(BlockDriverState *bs, void *dev)
+/* TODO change to DeviceState *dev when all users are qdevified */
{
- if (bs->peer) {
+ if (bs->dev) {
return -EBUSY;
}
- bs->peer = qdev;
+ bs->dev = dev;
return 0;
}
-void bdrv_detach(BlockDriverState *bs, DeviceState *qdev)
+/* TODO qdevified devices don't use this, remove when devices are qdevified */
+void bdrv_attach_dev_nofail(BlockDriverState *bs, void *dev)
{
- assert(bs->peer == qdev);
- bs->peer = NULL;
- bs->change_cb = NULL;
- bs->change_opaque = NULL;
+ if (bdrv_attach_dev(bs, dev) < 0) {
+ abort();
+ }
+}
+
+void bdrv_detach_dev(BlockDriverState *bs, void *dev)
+/* TODO change to DeviceState *dev when all users are qdevified */
+{
+ assert(bs->dev == dev);
+ bs->dev = NULL;
+ bs->dev_ops = NULL;
+ bs->dev_opaque = NULL;
+ bs->buffer_alignment = 512;
+}
+
+/* TODO change to return DeviceState * when all users are qdevified */
+void *bdrv_get_attached_dev(BlockDriverState *bs)
+{
+ return bs->dev;
+}
+
+void bdrv_set_dev_ops(BlockDriverState *bs, const BlockDevOps *ops,
+ void *opaque)
+{
+ bs->dev_ops = ops;
+ bs->dev_opaque = opaque;
+ if (bdrv_dev_has_removable_media(bs) && bs == bs_snapshots) {
+ bs_snapshots = NULL;
+ }
+}
+
+static void bdrv_dev_change_media_cb(BlockDriverState *bs, bool load)
+{
+ if (bs->dev_ops && bs->dev_ops->change_media_cb) {
+ bs->dev_ops->change_media_cb(bs->dev_opaque, load);
+ }
+}
+
+bool bdrv_dev_has_removable_media(BlockDriverState *bs)
+{
+ return !bs->dev || (bs->dev_ops && bs->dev_ops->change_media_cb);
+}
+
+bool bdrv_dev_is_tray_open(BlockDriverState *bs)
+{
+ if (bs->dev_ops && bs->dev_ops->is_tray_open) {
+ return bs->dev_ops->is_tray_open(bs->dev_opaque);
+ }
+ return false;
+}
+
+static void bdrv_dev_resize_cb(BlockDriverState *bs)
+{
+ if (bs->dev_ops && bs->dev_ops->resize_cb) {
+ bs->dev_ops->resize_cb(bs->dev_opaque);
+ }
}
-DeviceState *bdrv_get_attached(BlockDriverState *bs)
+bool bdrv_dev_is_medium_locked(BlockDriverState *bs)
{
- return bs->peer;
+ if (bs->dev_ops && bs->dev_ops->is_medium_locked) {
+ return bs->dev_ops->is_medium_locked(bs->dev_opaque);
+ }
+ return false;
}
/*
ret = drv->bdrv_truncate(bs, offset);
if (ret == 0) {
ret = refresh_total_sectors(bs, offset >> BDRV_SECTOR_BITS);
- if (bs->change_cb) {
- bs->change_cb(bs->change_opaque, CHANGE_SIZE);
- }
+ bdrv_dev_resize_cb(bs);
}
return ret;
}
if (!drv)
return -ENOMEDIUM;
- if (bs->growable || bs->removable) {
+ if (bs->growable || bdrv_dev_has_removable_media(bs)) {
if (drv->bdrv_getlength) {
return drv->bdrv_getlength(bs);
}
uint8_t end_cyl; /* end cylinder */
uint32_t start_sect; /* starting sector counting from 0 */
uint32_t nr_sects; /* nr of sectors in partition */
-} __attribute__((packed));
+} QEMU_PACKED;
/* try to guess the disk logical geometry from the MSDOS partition table. Return 0 if OK, -1 if could not guess */
static int guess_disk_lchs(BlockDriverState *bs,
return is_read ? bs->on_read_error : bs->on_write_error;
}
-void bdrv_set_removable(BlockDriverState *bs, int removable)
-{
- bs->removable = removable;
- if (removable && bs == bs_snapshots) {
- bs_snapshots = NULL;
- }
-}
-
-int bdrv_is_removable(BlockDriverState *bs)
-{
- return bs->removable;
-}
-
int bdrv_is_read_only(BlockDriverState *bs)
{
return bs->read_only;
return bs->enable_write_cache;
}
-/* XXX: no longer used */
-void bdrv_set_change_cb(BlockDriverState *bs,
- void (*change_cb)(void *opaque, int reason),
- void *opaque)
-{
- bs->change_cb = change_cb;
- bs->change_opaque = opaque;
-}
-
int bdrv_is_encrypted(BlockDriverState *bs)
{
if (bs->backing_hd && bs->backing_hd->encrypted)
} else if (!bs->valid_key) {
bs->valid_key = 1;
/* call the change callback now, we skipped it on open */
- bs->media_changed = 1;
- if (bs->change_cb)
- bs->change_cb(bs->change_opaque, CHANGE_MEDIA);
+ bdrv_dev_change_media_cb(bs, true);
}
return ret;
}
BlockDriverState *bs;
QTAILQ_FOREACH(bs, &bdrv_states, list) {
- if (bs->drv && !bdrv_is_read_only(bs) &&
- (!bdrv_is_removable(bs) || bdrv_is_inserted(bs))) {
+ if (!bdrv_is_read_only(bs) && bdrv_is_inserted(bs)) {
bdrv_flush(bs);
}
}
if (qdict_get_bool(bs_dict, "removable")) {
monitor_printf(mon, " locked=%d", qdict_get_bool(bs_dict, "locked"));
+ monitor_printf(mon, " tray-open=%d",
+ qdict_get_bool(bs_dict, "tray-open"));
}
-
if (qdict_haskey(bs_dict, "inserted")) {
QDict *qdict = qobject_to_qdict(qdict_get(bs_dict, "inserted"));
QTAILQ_FOREACH(bs, &bdrv_states, list) {
QObject *bs_obj;
+ QDict *bs_dict;
bs_obj = qobject_from_jsonf("{ 'device': %s, 'type': 'unknown', "
"'removable': %i, 'locked': %i }",
- bs->device_name, bs->removable,
- bs->locked);
-
+ bs->device_name,
+ bdrv_dev_has_removable_media(bs),
+ bdrv_dev_is_medium_locked(bs));
+ bs_dict = qobject_to_qdict(bs_obj);
+
+ if (bdrv_dev_has_removable_media(bs)) {
+ qdict_put(bs_dict, "tray-open",
+ qbool_from_int(bdrv_dev_is_tray_open(bs)));
+ }
if (bs->drv) {
QObject *obj;
- QDict *bs_dict = qobject_to_qdict(bs_obj);
obj = qobject_from_jsonf("{ 'file': %s, 'ro': %i, 'drv': %s, "
"'encrypted': %i }",
int bdrv_can_snapshot(BlockDriverState *bs)
{
BlockDriver *drv = bs->drv;
- if (!drv || bdrv_is_removable(bs) || bdrv_is_read_only(bs)) {
+ if (!drv || !bdrv_is_inserted(bs) || bdrv_is_read_only(bs)) {
return 0;
}
int bdrv_is_inserted(BlockDriverState *bs)
{
BlockDriver *drv = bs->drv;
- int ret;
+
if (!drv)
return 0;
if (!drv->bdrv_is_inserted)
- return !bs->tray_open;
- ret = drv->bdrv_is_inserted(bs);
- return ret;
+ return 1;
+ return drv->bdrv_is_inserted(bs);
}
/**
- * Return TRUE if the media changed since the last call to this
- * function. It is currently only used for floppy disks
+ * Return whether the media changed since the last call to this
+ * function, or -ENOTSUP if we don't know. Most drivers don't know.
*/
int bdrv_media_changed(BlockDriverState *bs)
{
BlockDriver *drv = bs->drv;
- int ret;
- if (!drv || !drv->bdrv_media_changed)
- ret = -ENOTSUP;
- else
- ret = drv->bdrv_media_changed(bs);
- if (ret == -ENOTSUP)
- ret = bs->media_changed;
- bs->media_changed = 0;
- return ret;
+ if (drv && drv->bdrv_media_changed) {
+ return drv->bdrv_media_changed(bs);
+ }
+ return -ENOTSUP;
}
/**
* If eject_flag is TRUE, eject the media. Otherwise, close the tray
*/
-int bdrv_eject(BlockDriverState *bs, int eject_flag)
+void bdrv_eject(BlockDriverState *bs, int eject_flag)
{
BlockDriver *drv = bs->drv;
- if (eject_flag && bs->locked) {
- return -EBUSY;
- }
-
if (drv && drv->bdrv_eject) {
drv->bdrv_eject(bs, eject_flag);
}
- bs->tray_open = eject_flag;
- return 0;
-}
-
-int bdrv_is_locked(BlockDriverState *bs)
-{
- return bs->locked;
}
/**
* Lock or unlock the media (if it is locked, the user won't be able
* to eject it manually).
*/
-void bdrv_set_locked(BlockDriverState *bs, int locked)
+void bdrv_lock_medium(BlockDriverState *bs, bool locked)
{
BlockDriver *drv = bs->drv;
- trace_bdrv_set_locked(bs, locked);
+ trace_bdrv_lock_medium(bs, locked);
- bs->locked = locked;
- if (drv && drv->bdrv_set_locked) {
- drv->bdrv_set_locked(bs, locked);
+ if (drv && drv->bdrv_lock_medium) {
+ drv->bdrv_lock_medium(bs, locked);
}
}
return NULL;
}
-
+void bdrv_set_buffer_alignment(BlockDriverState *bs, int align)
+{
+ bs->buffer_alignment = align;
+}
void *qemu_blockalign(BlockDriverState *bs, size_t size)
{
projects / qemu.git / blobdiff