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[RFC,10/10] virtio-crypto: add host feature bits support

Message ID 1509951422-20060-11-git-send-email-longpeng2@huawei.com (mailing list archive)
State New, archived
Headers show

Commit Message

Longpeng(Mike) Nov. 6, 2017, 6:57 a.m. UTC 
From: Gonglei <arei.gonglei@huawei.com>

We enable all feature bits acquiescently.

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
---
 hw/virtio/virtio-crypto.c         | 15 +++++++++++++++
 include/hw/virtio/virtio-crypto.h |  1 +
 2 files changed, 16 insertions(+)
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Patch

diff --git a/hw/virtio/virtio-crypto.c b/hw/virtio/virtio-crypto.c
index e46c4a3..8f27a86 100644
--- a/hw/virtio/virtio-crypto.c
+++ b/hw/virtio/virtio-crypto.c
@@ -1069,6 +1069,11 @@  static uint64_t virtio_crypto_get_features(VirtIODevice *vdev,
                                            uint64_t features,
                                            Error **errp)
 {
+    VirtIOCrypto *vcrypto = VIRTIO_CRYPTO(vdev);
+
+    /* Firstly sync all virtio-crypto possible supported features */
+    features |= vcrypto->host_features;
+
     return features;
 }
 
@@ -1184,6 +1189,16 @@  static const VMStateDescription vmstate_virtio_crypto = {
 };
 
 static Property virtio_crypto_properties[] = {
+    DEFINE_PROP_BIT("mux_mode", VirtIOCrypto, host_features,
+                    VIRTIO_CRYPTO_F_MUX_MODE, true),
+    DEFINE_PROP_BIT("cipher_stateless_mode", VirtIOCrypto, host_features,
+                    VIRTIO_CRYPTO_F_CIPHER_STATELESS_MODE, true),
+    DEFINE_PROP_BIT("hash_stateless_mode", VirtIOCrypto, host_features,
+                    VIRTIO_CRYPTO_F_HASH_STATELESS_MODE, true),
+    DEFINE_PROP_BIT("mac_stateless_mode", VirtIOCrypto, host_features,
+                    VIRTIO_CRYPTO_F_MAC_STATELESS_MODE, true),
+    DEFINE_PROP_BIT("aead_stateless_mode", VirtIOCrypto, host_features,
+                    VIRTIO_CRYPTO_F_AEAD_STATELESS_MODE, true),
     DEFINE_PROP_LINK("cryptodev", VirtIOCrypto, conf.cryptodev,
                      TYPE_CRYPTODEV_BACKEND, CryptoDevBackend *),
     DEFINE_PROP_END_OF_LIST(),
diff --git a/include/hw/virtio/virtio-crypto.h b/include/hw/virtio/virtio-crypto.h
index 465ad20..30ea51d 100644
--- a/include/hw/virtio/virtio-crypto.h
+++ b/include/hw/virtio/virtio-crypto.h
@@ -97,6 +97,7 @@  typedef struct VirtIOCrypto {
     int multiqueue;
     uint32_t curr_queues;
     size_t config_size;
+    uint32_t host_features;
 } VirtIOCrypto;
 
 #endif /* _QEMU_VIRTIO_CRYPTO_H */