[dpdk-dev] [PATCH 03/12] lib/librte_vhost: add virtio crypto user message structure

[Fan Zhang]

This patch adds virtio-crypto spec user message structure to
vhost_user.

Signed-off-by: Fan Zhang <roy.fan.zh...@intel.com>
---
 lib/librte_vhost/vhost_user.h | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/lib/librte_vhost/vhost_user.h b/lib/librte_vhost/vhost_user.h
index 990b40a..793cdc2 100644
--- a/lib/librte_vhost/vhost_user.h
+++ b/lib/librte_vhost/vhost_user.h
@@ -108,6 +108,30 @@ typedef struct VhostUserLog {
        uint64_t mmap_offset;
 } VhostUserLog;
 
+/* Comply with Cryptodev-Linux */
+#define VHOST_USER_CRYPTO_MAX_HMAC_KEY_LENGTH  512
+#define VHOST_USER_CRYPTO_MAX_CIPHER_KEY_LENGTH        64
+
+/* Same structure as vhost-user backend session info */
+typedef struct VhostUserCryptoSessionParam {
+       int64_t session_id;
+       uint32_t op_code;
+       uint32_t cipher_algo;
+       uint32_t cipher_key_len;
+       uint32_t hash_algo;
+       uint32_t digest_len;
+       uint32_t auth_key_len;
+       uint32_t aad_len;
+       uint8_t op_type;
+       uint8_t dir;
+       uint8_t hash_mode;
+       uint8_t chaining_dir;
+       uint8_t *ciphe_key;
+       uint8_t *auth_key;
+       uint8_t cipher_key_buf[VHOST_USER_CRYPTO_MAX_CIPHER_KEY_LENGTH];
+       uint8_t auth_key_buf[VHOST_USER_CRYPTO_MAX_HMAC_KEY_LENGTH];
+} VhostUserCryptoSessionParam;
+
 typedef struct VhostUserMsg {
        union {
                VhostUserRequest master;
@@ -128,6 +152,7 @@ typedef struct VhostUserMsg {
                VhostUserMemory memory;
                VhostUserLog    log;
                struct vhost_iotlb_msg iotlb;
+               VhostUserCryptoSessionParam crypto_session;
        } payload;
        int fds[VHOST_MEMORY_MAX_NREGIONS];
 } __attribute((packed)) VhostUserMsg;
-- 
2.9.5