This patch add some transfering layer or functions,
such as session creation, closing etc, which will be
used by subsequent virtio crypto device patches.
Signed-off-by: Gonglei <arei.gong...@huawei.com>
---
crypto/crypto.c | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 68 insertions(+)
diff --git a/crypto/crypto.c b/crypto/crypto.c
index 1d3d1d3..184f837 100644
--- a/crypto/crypto.c
+++ b/crypto/crypto.c
@@ -291,3 +291,71 @@ void qemu_del_crypto_legacy_hw(CryptoLegacyHWState *crypto)
g_free(crypto);
}
+
+CryptoLegacyHWState *qemu_get_crypto_legacy_hw(CryptoClientState *cc)
+{
+ CryptoClientState *cc0 = cc - cc->queue_index;
+
+ return (CryptoLegacyHWState *)((void *)cc0 - cc->info->size);
+}
+
+void *qemu_get_crypto_legacy_hw_opaque(CryptoClientState *cc)
+{
+ CryptoLegacyHWState *crypto = qemu_get_crypto_legacy_hw(cc);
+
+ return crypto->opaque;
+}
+
+int qemu_find_crypto_clients_except(const char *id, CryptoClientState **ccs,
+ CryptoClientOptionsKind type, int max)
+{
+ CryptoClientState *cc;
+ int ret = 0;
+
+ QTAILQ_FOREACH(cc, &crypto_clients, next) {
+ if (cc->info->type == type) {
+ continue;
+ }
+ if (!id || !strcmp(cc->name, id)) {
+ if (ret < max) {
+ ccs[ret] = cc;
+ }
+ ret++;
+ }
+ }
+
+ return ret;
+}
+
+int qemu_crypto_create_session(CryptoClientState *cc,
+ CryptoSymSessionInfo *info,
+ uint64_t *session_id)
+{
+ int ret = -1;
+ CryptoClientState *peer = cc->peer;
+
+ if (!peer || !peer->ready) {
+ return ret;
+ }
+
+ if (peer->info->create_session) {
+ ret = peer->info->create_session(peer, info, session_id);
+ }
+ return ret;
+}
+
+int qemu_crypto_close_session(CryptoClientState *cc,
+ uint64_t session_id)
+{
+ int ret = -1;
+ CryptoClientState *peer = cc->peer;
+
+ if (!peer || !peer->ready) {
+ return ret;
+ }
+
+ if (peer->info->close_session) {
+ ret = peer->info->close_session(peer, session_id);
+ }
+ return ret;
+}
--
1.7.12.4
