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authorFan Zhang <roy.fan.zhang@intel.com>2018-04-05 17:01:31 +0100
committerFerruh Yigit <ferruh.yigit@intel.com>2018-04-14 00:43:30 +0200
commit136076ed729ae1160352be649baf976af87b3d14 (patch)
treec213f3c396ecb651af2fea90de418e395821fc14 /lib
parent9b91fbd6ecfa6fed7d73f7cd6a2269433d137027 (diff)
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vhost/crypto: add user message structure
This patch adds virtio-crypto spec user message structure to vhost_user. Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com> Acked-by: Jay Zhou <jianjay.zhou@huawei.com> Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Diffstat (limited to 'lib')
-rw-r--r--lib/librte_vhost/rte_vhost.h4
-rw-r--r--lib/librte_vhost/vhost_user.h34
2 files changed, 35 insertions, 3 deletions
diff --git a/lib/librte_vhost/rte_vhost.h b/lib/librte_vhost/rte_vhost.h
index 807da8c..e4e8824 100644
--- a/lib/librte_vhost/rte_vhost.h
+++ b/lib/librte_vhost/rte_vhost.h
@@ -54,6 +54,10 @@ extern "C" {
#define VHOST_USER_PROTOCOL_F_SLAVE_REQ 5
#endif
+#ifndef VHOST_USER_PROTOCOL_F_CRYPTO_SESSION
+#define VHOST_USER_PROTOCOL_F_CRYPTO_SESSION 7
+#endif
+
/** Indicate whether protocol features negotiation is supported. */
#ifndef VHOST_USER_F_PROTOCOL_FEATURES
#define VHOST_USER_F_PROTOCOL_FEATURES 30
diff --git a/lib/librte_vhost/vhost_user.h b/lib/librte_vhost/vhost_user.h
index 97afabc..1ad5cf4 100644
--- a/lib/librte_vhost/vhost_user.h
+++ b/lib/librte_vhost/vhost_user.h
@@ -1,5 +1,5 @@
/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2014 Intel Corporation
+ * Copyright(c) 2010-2018 Intel Corporation
*/
#ifndef _VHOST_NET_USER_H
@@ -19,7 +19,8 @@
(1ULL << VHOST_USER_PROTOCOL_F_RARP) | \
(1ULL << VHOST_USER_PROTOCOL_F_REPLY_ACK) | \
(1ULL << VHOST_USER_PROTOCOL_F_NET_MTU) | \
- (1ULL << VHOST_USER_PROTOCOL_F_SLAVE_REQ))
+ (1ULL << VHOST_USER_PROTOCOL_F_SLAVE_REQ) | \
+ (1ULL << VHOST_USER_PROTOCOL_F_CRYPTO_SESSION))
typedef enum VhostUserRequest {
VHOST_USER_NONE = 0,
@@ -45,7 +46,9 @@ typedef enum VhostUserRequest {
VHOST_USER_NET_SET_MTU = 20,
VHOST_USER_SET_SLAVE_REQ_FD = 21,
VHOST_USER_IOTLB_MSG = 22,
- VHOST_USER_MAX
+ VHOST_USER_CRYPTO_CREATE_SESS = 26,
+ VHOST_USER_CRYPTO_CLOSE_SESS = 27,
+ VHOST_USER_MAX = 28
} VhostUserRequest;
typedef enum VhostUserSlaveRequest {
@@ -72,6 +75,30 @@ 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 {
uint32_t master; /* a VhostUserRequest value */
@@ -92,6 +119,7 @@ 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;