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SubjectRe: RE: [PATCH 2/3] virtio-crypto: introduce akcipher service
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>>   /* The accelerator hardware is ready */  #define
>> VIRTIO_CRYPTO_S_HW_READY (1 << 0) @@ -442,6 +520,7 @@ struct
>> virtio_crypto_config {
>> __le32 reserve;
>> /* Maximum size of each crypto request's content */
>> __le64 max_size;
>> + __le32 akcipher_algo;
>> };
>>
> You can use the reserve attribute. Keeping 64-bit aligned.
>
>> struct virtio_crypto_inhdr {
>> --
>> 2.25.1
>

Can I use the "__le32 reserve;" field directly?

struct virtio_crypto_config {
/* See VIRTIO_CRYPTO_OP_* above */
__le32 status;

/*
* Maximum number of data queue
*/
__le32 max_dataqueues;

/*
* Specifies the services mask which the device support,
* see VIRTIO_CRYPTO_SERVICE_* above
*/
__le32 crypto_services;

/* Detailed algorithms mask */
__le32 cipher_algo_l;
__le32 cipher_algo_h;
__le32 hash_algo;
__le32 mac_algo_l;
__le32 mac_algo_h;
__le32 aead_algo;
/* Maximum length of cipher key */
__le32 max_cipher_key_len;
/* Maximum length of authenticated key */
__le32 max_auth_key_len;
__le32 reserve; --> __le32 akcipher_algo;
/* Maximum size of each crypto request's content */
__le64 max_size;
};

--
zhenwei pi

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