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cryptodev: introduce a new is_used property

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This property is used to Tag the cryptodev backend
is used by virtio-crypto or not. Making cryptodev
can't be hot unplugged when it's in use. Cleanup
resources when cryptodev is finalized.

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Gonglei 2016-12-22 11:12:38 +08:00 • committed by Michael S. Tsirkin
parent c159a4d1d0
commit 46fd170545
3 changed files with 44 additions and 0 deletions
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23
include/sysemu/cryptodev.h
View file

@ -202,6 +202,8 @@ struct CryptoDevBackend {
Object parent_obj;
bool ready;
/* Tag the cryptodev backend is used by virtio-crypto or not */
bool is_used;
CryptoDevBackendConf conf;
};
@ -295,4 +297,25 @@ int cryptodev_backend_crypto_operation(
void *opaque,
uint32_t queue_index, Error **errp);
/**
* cryptodev_backend_set_used:
* @backend: the cryptodev backend object
* @used: ture or false
*
* Set the cryptodev backend is used by virtio-crypto or not
*/
void cryptodev_backend_set_used(CryptoDevBackend *backend, bool used);
/**
* cryptodev_backend_is_used:
* @backend: the cryptodev backend object
*
* Return the status that the cryptodev backend is used
* by virtio-crypto or not
*
* Returns: true on used, or false on not used
*/
bool cryptodev_backend_is_used(CryptoDevBackend *backend);
#endif /* CRYPTODEV_H */