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-rw-r--r--include/hw/virtio/virtio-crypto.h101
1 files changed, 101 insertions, 0 deletions
diff --git a/include/hw/virtio/virtio-crypto.h b/include/hw/virtio/virtio-crypto.h
new file mode 100644
index 0000000000..a00a0bfaba
--- /dev/null
+++ b/include/hw/virtio/virtio-crypto.h
@@ -0,0 +1,101 @@
+/*
+ * Virtio crypto Support
+ *
+ * Copyright (c) 2016 HUAWEI TECHNOLOGIES CO., LTD.
+ *
+ * Authors:
+ * Gonglei <arei.gonglei@huawei.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * (at your option) any later version. See the COPYING file in the
+ * top-level directory.
+ */
+
+#ifndef _QEMU_VIRTIO_CRYPTO_H
+#define _QEMU_VIRTIO_CRYPTO_H
+
+#include "standard-headers/linux/virtio_crypto.h"
+#include "hw/virtio/virtio.h"
+#include "sysemu/iothread.h"
+#include "sysemu/cryptodev.h"
+
+
+#define DEBUG_VIRTIO_CRYPTO 0
+
+#define DPRINTF(fmt, ...) \
+do { \
+ if (DEBUG_VIRTIO_CRYPTO) { \
+ fprintf(stderr, "virtio_crypto: " fmt, ##__VA_ARGS__); \
+ } \
+} while (0)
+
+
+#define TYPE_VIRTIO_CRYPTO "virtio-crypto-device"
+#define VIRTIO_CRYPTO(obj) \
+ OBJECT_CHECK(VirtIOCrypto, (obj), TYPE_VIRTIO_CRYPTO)
+#define VIRTIO_CRYPTO_GET_PARENT_CLASS(obj) \
+ OBJECT_GET_PARENT_CLASS(obj, TYPE_VIRTIO_CRYPTO)
+
+
+typedef struct VirtIOCryptoConf {
+ CryptoDevBackend *cryptodev;
+
+ /* Supported service mask */
+ uint32_t crypto_services;
+
+ /* Detailed algorithms mask */
+ uint32_t cipher_algo_l;
+ uint32_t cipher_algo_h;
+ uint32_t hash_algo;
+ uint32_t mac_algo_l;
+ uint32_t mac_algo_h;
+ uint32_t aead_algo;
+
+ /* Maximum length of cipher key */
+ uint32_t max_cipher_key_len;
+ /* Maximum length of authenticated key */
+ uint32_t max_auth_key_len;
+ /* Maximum size of each crypto request's content */
+ uint64_t max_size;
+} VirtIOCryptoConf;
+
+struct VirtIOCrypto;
+
+typedef struct VirtIOCryptoReq {
+ VirtQueueElement elem;
+ /* flags of operation, such as type of algorithm */
+ uint32_t flags;
+ struct virtio_crypto_inhdr *in;
+ struct iovec *in_iov; /* Head address of dest iovec */
+ unsigned int in_num; /* Number of dest iovec */
+ size_t in_len;
+ VirtQueue *vq;
+ struct VirtIOCrypto *vcrypto;
+ union {
+ CryptoDevBackendSymOpInfo *sym_op_info;
+ } u;
+} VirtIOCryptoReq;
+
+typedef struct VirtIOCryptoQueue {
+ VirtQueue *dataq;
+ QEMUBH *dataq_bh;
+ struct VirtIOCrypto *vcrypto;
+} VirtIOCryptoQueue;
+
+typedef struct VirtIOCrypto {
+ VirtIODevice parent_obj;
+
+ VirtQueue *ctrl_vq;
+ VirtIOCryptoQueue *vqs;
+ VirtIOCryptoConf conf;
+ CryptoDevBackend *cryptodev;
+
+ uint32_t max_queues;
+ uint32_t status;
+
+ int multiqueue;
+ uint32_t curr_queues;
+ size_t config_size;
+} VirtIOCrypto;
+
+#endif /* _QEMU_VIRTIO_CRYPTO_H */