[PATCH v2 10/15] virtio-crypto: set capacity of crypto legacy hardware

Set the crypto legacy hardware's capacity according to the
backend peer cryptodev's capacity. We only support only one
queue at present.

Virtio crypto device is a kind of crypto legacy hardware.

Signed-off-by: Gonglei <>
---
 crypto/crypto.c           | 17 +++++++++++++++++
 hw/virtio/virtio-crypto.c | 18 +++++++++++++++++-
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/crypto/crypto.c b/crypto/crypto.c
index 184f837..ba99d7c 100644
--- a/crypto/crypto.c
+++ b/crypto/crypto.c
@@ -228,6 +228,7 @@ qemu_new_crypto_legacy_hw(CryptoClientInfo *info,
     CryptoLegacyHWState *crypto;
     CryptoClientState **peers = conf->peers.ccs;
     int i, queues = MAX(1, conf->peers.queues);
+    int has_set = 0;
 
     assert(info->type == CRYPTO_CLIENT_OPTIONS_KIND_LEGACY_HW);
     assert(info->size >= sizeof(CryptoLegacyHWState));
@@ -242,6 +243,22 @@ qemu_new_crypto_legacy_hw(CryptoClientInfo *info,
                               NULL);
         crypto->ccs[i].queue_index = i;
         crypto->ccs[i].ready = true;
+        /* The mask bits of crypto_services and algos in
+           CryptoLegacyHWConf is set only once */
+        if (has_set == 0 && peers[i]) {
+            conf->crypto_services = peers[i]->crypto_services;
+            conf->cipher_algo_l = peers[i]->cipher_algo_l;
+            conf->cipher_algo_h = peers[i]->cipher_algo_h;
+            conf->hash_algo = peers[i]->hash_algo;
+            conf->mac_algo_l = peers[i]->mac_algo_l;
+            conf->mac_algo_h = peers[i]->mac_algo_h;
+            conf->asym_algo = peers[i]->asym_algo;
+            conf->kdf_algo = peers[i]->kdf_algo;
+            conf->aead_algo = peers[i]->aead_algo;
+            conf->primitive_algo = peers[i]->primitive_algo;
+
+            has_set = 1;
+        }
     }
 
     return crypto;
diff --git a/hw/virtio/virtio-crypto.c b/hw/virtio/virtio-crypto.c
index 23c5041..b5a108f 100644
--- a/hw/virtio/virtio-crypto.c
+++ b/hw/virtio/virtio-crypto.c
@@ -197,7 +197,23 @@ static Property virtio_crypto_properties[] = {
 
 static void virtio_crypto_get_config(VirtIODevice *vdev, uint8_t *config)
 {
-
+    VirtIOCrypto *c = VIRTIO_CRYPTO(vdev);
+    struct virtio_crypto_config crypto_cfg;
+
+    crypto_cfg.status = c->status;
+    crypto_cfg.max_dataqueues = c->max_queues;
+    crypto_cfg.crypto_services = c->legacy_conf.crypto_services;
+    crypto_cfg.cipher_algo_l = c->legacy_conf.cipher_algo_l;
+    crypto_cfg.cipher_algo_h = c->legacy_conf.cipher_algo_h;
+    crypto_cfg.hash_algo = c->legacy_conf.hash_algo;
+    crypto_cfg.mac_algo_l = c->legacy_conf.mac_algo_l;
+    crypto_cfg.mac_algo_h = c->legacy_conf.mac_algo_h;
+    crypto_cfg.asym_algo = c->legacy_conf.asym_algo;
+    crypto_cfg.kdf_algo = c->legacy_conf.kdf_algo;
+    crypto_cfg.aead_algo = c->legacy_conf.aead_algo;
+    crypto_cfg.primitive_algo = c->legacy_conf.primitive_algo;
+
+    memcpy(config, &crypto_cfg, c->config_size;
 }
 
 static void virtio_crypto_set_config(VirtIODevice *vdev, const uint8_t *config)
-- 
1.7.12.4