diff options
| -rw-r--r-- | block.c | 23 | ||||
| -rw-r--r-- | block.h | 12 | ||||
| -rw-r--r-- | block_int.h | 3 | ||||
| -rw-r--r-- | hw/ide/core.c | 8 | ||||
| -rw-r--r-- | hw/sd.c | 8 | ||||
| -rw-r--r-- | hw/virtio-blk.c | 8 |
6 files changed, 33 insertions, 29 deletions
@@ -44,7 +44,7 @@ #include <windows.h> #endif -static void bdrv_dev_change_cb(BlockDriverState *bs, int reason); +static void bdrv_dev_change_media_cb(BlockDriverState *bs); static BlockDriverAIOCB *bdrv_aio_readv_em(BlockDriverState *bs, int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, BlockDriverCompletionFunc *cb, void *opaque); @@ -690,7 +690,7 @@ int bdrv_open(BlockDriverState *bs, const char *filename, int flags, if (!bdrv_key_required(bs)) { bs->media_changed = 1; - bdrv_dev_change_cb(bs, CHANGE_MEDIA); + bdrv_dev_change_media_cb(bs); } return 0; @@ -727,7 +727,7 @@ void bdrv_close(BlockDriverState *bs) } bs->media_changed = 1; - bdrv_dev_change_cb(bs, CHANGE_MEDIA); + bdrv_dev_change_media_cb(bs); } } @@ -806,10 +806,17 @@ void bdrv_set_dev_ops(BlockDriverState *bs, const BlockDevOps *ops, bs->dev_opaque = opaque; } -static void bdrv_dev_change_cb(BlockDriverState *bs, int reason) +static void bdrv_dev_change_media_cb(BlockDriverState *bs) { - if (bs->dev_ops && bs->dev_ops->change_cb) { - bs->dev_ops->change_cb(bs->dev_opaque, reason); + if (bs->dev_ops && bs->dev_ops->change_media_cb) { + bs->dev_ops->change_media_cb(bs->dev_opaque); + } +} + +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); } } @@ -1283,7 +1290,7 @@ int bdrv_truncate(BlockDriverState *bs, int64_t offset) ret = drv->bdrv_truncate(bs, offset); if (ret == 0) { ret = refresh_total_sectors(bs, offset >> BDRV_SECTOR_BITS); - bdrv_dev_change_cb(bs, CHANGE_SIZE); + bdrv_dev_resize_cb(bs); } return ret; } @@ -1659,7 +1666,7 @@ int bdrv_set_key(BlockDriverState *bs, const char *key) bs->valid_key = 1; /* call the change callback now, we skipped it on open */ bs->media_changed = 1; - bdrv_dev_change_cb(bs, CHANGE_MEDIA); + bdrv_dev_change_media_cb(bs); } return ret; } @@ -28,8 +28,18 @@ typedef struct QEMUSnapshotInfo { uint64_t vm_clock_nsec; /* VM clock relative to boot */ } QEMUSnapshotInfo; +/* Callbacks for block device models */ typedef struct BlockDevOps { - void (*change_cb)(void *opaque, int reason); + /* + * Runs when virtual media changed (monitor commands eject, change) + * Beware: doesn't run when a host device's physical media + * changes. Sure would be useful if it did. + */ + void (*change_media_cb)(void *opaque); + /* + * Runs when the size changed (e.g. monitor command block_resize) + */ + void (*resize_cb)(void *opaque); } BlockDevOps; #define BDRV_O_RDWR 0x0002 diff --git a/block_int.h b/block_int.h index ab31dc99ec..19ae75ee34 100644 --- a/block_int.h +++ b/block_int.h @@ -211,9 +211,6 @@ struct BlockDriverState { void *private; }; -#define CHANGE_MEDIA 0x01 -#define CHANGE_SIZE 0x02 - struct BlockDriverAIOCB { AIOPool *pool; BlockDriverState *bs; diff --git a/hw/ide/core.c b/hw/ide/core.c index 26a9c5ba14..47a706e4c4 100644 --- a/hw/ide/core.c +++ b/hw/ide/core.c @@ -783,15 +783,11 @@ static void ide_cfata_metadata_write(IDEState *s) } /* called when the inserted state of the media has changed */ -static void cdrom_change_cb(void *opaque, int reason) +static void ide_cd_change_cb(void *opaque) { IDEState *s = opaque; uint64_t nb_sectors; - if (!(reason & CHANGE_MEDIA)) { - return; - } - bdrv_get_geometry(s->bs, &nb_sectors); s->nb_sectors = nb_sectors; @@ -1743,7 +1739,7 @@ void ide_bus_reset(IDEBus *bus) } static const BlockDevOps ide_cd_block_ops = { - .change_cb = cdrom_change_cb, + .change_media_cb = ide_cd_change_cb, }; int ide_init_drive(IDEState *s, BlockDriverState *bs, IDEDriveKind kind, @@ -420,14 +420,10 @@ static void sd_reset(SDState *sd, BlockDriverState *bdrv) sd->pwd_len = 0; } -static void sd_cardchange(void *opaque, int reason) +static void sd_cardchange(void *opaque) { SDState *sd = opaque; - if (!(reason & CHANGE_MEDIA)) { - return; - } - qemu_set_irq(sd->inserted_cb, bdrv_is_inserted(sd->bdrv)); if (bdrv_is_inserted(sd->bdrv)) { sd_reset(sd, sd->bdrv); @@ -436,7 +432,7 @@ static void sd_cardchange(void *opaque, int reason) } static const BlockDevOps sd_block_ops = { - .change_cb = sd_cardchange, + .change_media_cb = sd_cardchange, }; /* We do not model the chip select pin, so allow the board to select diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c index c10afa9962..4df23f4228 100644 --- a/hw/virtio-blk.c +++ b/hw/virtio-blk.c @@ -543,17 +543,15 @@ static int virtio_blk_load(QEMUFile *f, void *opaque, int version_id) return 0; } -static void virtio_blk_change_cb(void *opaque, int reason) +static void virtio_blk_resize(void *opaque) { VirtIOBlock *s = opaque; - if (reason & CHANGE_SIZE) { - virtio_notify_config(&s->vdev); - } + virtio_notify_config(&s->vdev); } static const BlockDevOps virtio_block_ops = { - .change_cb = virtio_blk_change_cb, + .resize_cb = virtio_blk_resize, }; VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf, |