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From: Fan Zhang <roy.fan.zhang@intel.com>
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Subject: [dpdk-dev] [PATCH v4 2/8] lib/librte_vhost: add virtio-crypto user
message structure
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This patch adds virtio-crypto spec user message structure to
vhost_user.
Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com>
---
lib/librte_vhost/vhost_user.h | 36 ++++++++++++++++++++++++++++++++----
1 file changed, 32 insertions(+), 4 deletions(-)
diff --git a/lib/librte_vhost/vhost_user.h b/lib/librte_vhost/vhost_user.h
index d4bd604..48cdb24 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
@@ -20,13 +20,15 @@
#define VHOST_USER_PROTOCOL_F_REPLY_ACK 3
#define VHOST_USER_PROTOCOL_F_NET_MTU 4
#define VHOST_USER_PROTOCOL_F_SLAVE_REQ 5
+#define VHOST_USER_PROTOCOL_F_CRYPTO_SESSION 7
#define VHOST_USER_PROTOCOL_FEATURES ((1ULL << VHOST_USER_PROTOCOL_F_MQ) | \
(1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD) |\
(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,
@@ -52,7 +54,9 @@ 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 {
@@ -79,6 +83,30 @@ 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;
@@ -99,6 +127,7 @@ 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;
@@ -108,7 +137,6 @@ typedef struct VhostUserMsg {
/* The version of the protocol we support */
#define VHOST_USER_VERSION 0x1
-
/* vhost_user.c */
int vhost_user_msg_handler(int vid, int fd);
int vhost_user_iotlb_miss(struct virtio_net *dev, uint64_t iova, uint8_t perm);
--
2.7.4