@@ -1019,6 +1019,7 @@ static void handle_ahash_resp(struct iproc_reqctx_s *rctx)
* a SPU response message for an AEAD request. Includes buffers to catch SPU
* message headers and the response data.
* @mssg: mailbox message containing the receive sg
+ * @req: Crypto API request
* @rctx: crypto request context
* @rx_frag_num: number of scatterlist elements required to hold the
* SPU response message
@@ -2952,9 +2953,9 @@ static int aead_gcm_esp_setkey(struct crypto_aead *cipher,
/**
* rfc4543_gcm_esp_setkey() - setkey operation for RFC4543 variant of GCM/GMAC.
- * cipher: AEAD structure
- * key: Key followed by 4 bytes of salt
- * keylen: Length of key plus salt, in bytes
+ * @cipher: AEAD structure
+ * @key: Key followed by 4 bytes of salt
+ * @keylen: Length of key plus salt, in bytes
*
* Extracts salt from key and stores it to be prepended to IV on each request.
* Digest is always 16 bytes
@@ -457,7 +457,7 @@ u16 spum_hash_pad_len(enum hash_alg hash_alg, enum hash_mode hash_mode,
* @cipher_mode: Algo type
* @data_size: Length of plaintext (bytes)
*
- * @Return: Length of padding, in bytes
+ * Return: Length of padding, in bytes
*/
u32 spum_gcm_ccm_pad_len(enum spu_cipher_mode cipher_mode,
unsigned int data_size)
@@ -510,10 +510,10 @@ u32 spum_assoc_resp_len(enum spu_cipher_mode cipher_mode,
}
/**
- * spu_aead_ivlen() - Calculate the length of the AEAD IV to be included
+ * spum_aead_ivlen() - Calculate the length of the AEAD IV to be included
* in a SPU request after the AAD and before the payload.
* @cipher_mode: cipher mode
- * @iv_ctr_len: initialization vector length in bytes
+ * @iv_len: initialization vector length in bytes
*
* In Linux ~4.2 and later, the assoc_data sg includes the IV. So no need
* to include the IV as a separate field in the SPU request msg.
@@ -543,9 +543,9 @@ enum hash_type spum_hash_type(u32 src_sent)
/**
* spum_digest_size() - Determine the size of a hash digest to expect the SPU to
* return.
- * alg_digest_size: Number of bytes in the final digest for the given algo
- * alg: The hash algorithm
- * htype: Type of hash operation (init, update, full, etc)
+ * @alg_digest_size: Number of bytes in the final digest for the given algo
+ * @alg: The hash algorithm
+ * @htype: Type of hash operation (init, update, full, etc)
*
* When doing incremental hashing for an algorithm with a truncated hash
* (e.g., SHA224), the SPU returns the full digest so that it can be fed back as
@@ -580,7 +580,7 @@ u32 spum_digest_size(u32 alg_digest_size, enum hash_alg alg,
* @aead_parms: Parameters related to AEAD operation
* @data_size: Length of data to be encrypted or authenticated. If AEAD, does
* not include length of AAD.
-
+ *
* Return: the length of the SPU header in bytes. 0 if an error occurs.
*/
u32 spum_create_request(u8 *spu_hdr,
@@ -911,7 +911,7 @@ u16 spum_cipher_req_init(u8 *spu_hdr, struct spu_cipher_parms *cipher_parms)
* setkey() time in spu_cipher_req_init().
* @spu_hdr: Start of the request message header (MH field)
* @spu_req_hdr_len: Length in bytes of the SPU request header
- * @isInbound: 0 encrypt, 1 decrypt
+ * @is_inbound: 0 encrypt, 1 decrypt
* @cipher_parms: Parameters describing cipher operation to be performed
* @data_size: Length of the data in the BD field
*
@@ -543,7 +543,8 @@ void spu2_dump_msg_hdr(u8 *buf, unsigned int buf_len)
/**
* spu2_fmd_init() - At setkey time, initialize the fixed meta data for
* subsequent skcipher requests for this context.
- * @spu2_cipher_type: Cipher algorithm
+ * @fmd: Start of FMD field to be written
+ * @spu2_type: Cipher algorithm
* @spu2_mode: Cipher mode
* @cipher_key_len: Length of cipher key, in bytes
* @cipher_iv_len: Length of cipher initialization vector, in bytes
@@ -598,7 +599,7 @@ static int spu2_fmd_init(struct SPU2_FMD *fmd,
* SPU request packet.
* @fmd: Start of FMD field to be written
* @is_inbound: true if decrypting. false if encrypting.
- * @authFirst: true if alg authenticates before encrypting
+ * @auth_first: true if alg authenticates before encrypting
* @protocol: protocol selector
* @cipher_type: cipher algorithm
* @cipher_mode: cipher mode
@@ -640,6 +641,7 @@ static void spu2_fmd_ctrl0_write(struct SPU2_FMD *fmd,
* spu2_fmd_ctrl1_write() - Write ctrl1 field in fixed metadata (FMD) field of
* SPU request packet.
* @fmd: Start of FMD field to be written
+ * @is_inbound: true if decrypting. false if encrypting.
* @assoc_size: Length of additional associated data, in bytes
* @auth_key_len: Length of authentication key, in bytes
* @cipher_key_len: Length of cipher key, in bytes
@@ -793,7 +795,7 @@ u32 spu2_ctx_max_payload(enum spu_cipher_alg cipher_alg,
}
/**
- * spu_payload_length() - Given a SPU2 message header, extract the payload
+ * spu2_payload_length() - Given a SPU2 message header, extract the payload
* length.
* @spu_hdr: Start of SPU message header (FMD)
*
@@ -812,10 +814,11 @@ u32 spu2_payload_length(u8 *spu_hdr)
}
/**
- * spu_response_hdr_len() - Determine the expected length of a SPU response
+ * spu2_response_hdr_len() - Determine the expected length of a SPU response
* header.
* @auth_key_len: Length of authentication key, in bytes
* @enc_key_len: Length of encryption key, in bytes
+ * @is_hash: Unused
*
* For SPU2, includes just FMD. OMD is never requested.
*
@@ -827,7 +830,7 @@ u16 spu2_response_hdr_len(u16 auth_key_len, u16 enc_key_len, bool is_hash)
}
/**
- * spu_hash_pad_len() - Calculate the length of hash padding required to extend
+ * spu2_hash_pad_len() - Calculate the length of hash padding required to extend
* data to a full block size.
* @hash_alg: hash algorithm
* @hash_mode: hash mode
@@ -845,8 +848,10 @@ u16 spu2_hash_pad_len(enum hash_alg hash_alg, enum hash_mode hash_mode,
}
/**
- * spu2_gcm_ccm_padlen() - Determine the length of GCM/CCM padding for either
+ * spu2_gcm_ccm_pad_len() - Determine the length of GCM/CCM padding for either
* the AAD field or the data.
+ * @cipher_mode: Unused
+ * @data_size: Unused
*
* Return: 0. Unlike SPU-M, SPU2 hardware does any GCM/CCM padding required.
*/
@@ -857,7 +862,7 @@ u32 spu2_gcm_ccm_pad_len(enum spu_cipher_mode cipher_mode,
}
/**
- * spu_assoc_resp_len() - Determine the size of the AAD2 buffer needed to catch
+ * spu2_assoc_resp_len() - Determine the size of the AAD2 buffer needed to catch
* associated data in a SPU2 output packet.
* @cipher_mode: cipher mode
* @assoc_len: length of additional associated data, in bytes
@@ -878,11 +883,11 @@ u32 spu2_assoc_resp_len(enum spu_cipher_mode cipher_mode,
return resp_len;
}
-/*
- * spu_aead_ivlen() - Calculate the length of the AEAD IV to be included
+/**
+ * spu2_aead_ivlen() - Calculate the length of the AEAD IV to be included
* in a SPU request after the AAD and before the payload.
* @cipher_mode: cipher mode
- * @iv_ctr_len: initialization vector length in bytes
+ * @iv_len: initialization vector length in bytes
*
* For SPU2, AEAD IV is included in OMD and does not need to be repeated
* prior to the payload.
@@ -909,9 +914,9 @@ enum hash_type spu2_hash_type(u32 src_sent)
/**
* spu2_digest_size() - Determine the size of a hash digest to expect the SPU to
* return.
- * alg_digest_size: Number of bytes in the final digest for the given algo
- * alg: The hash algorithm
- * htype: Type of hash operation (init, update, full, etc)
+ * @alg_digest_size: Number of bytes in the final digest for the given algo
+ * @alg: The hash algorithm
+ * @htype: Type of hash operation (init, update, full, etc)
*
*/
u32 spu2_digest_size(u32 alg_digest_size, enum hash_alg alg,
@@ -921,7 +926,7 @@ u32 spu2_digest_size(u32 alg_digest_size, enum hash_alg alg,
}
/**
- * spu_create_request() - Build a SPU2 request message header, includint FMD and
+ * spu2_create_request() - Build a SPU2 request message header, includint FMD and
* OMD.
* @spu_hdr: Start of buffer where SPU request header is to be written
* @req_opts: SPU request message options
@@ -1105,7 +1110,7 @@ u32 spu2_create_request(u8 *spu_hdr,
}
/**
- * spu_cipher_req_init() - Build an skcipher SPU2 request message header,
+ * spu2_cipher_req_init() - Build an skcipher SPU2 request message header,
* including FMD and OMD.
* @spu_hdr: Location of start of SPU request (FMD field)
* @cipher_parms: Parameters describing cipher request
@@ -1162,11 +1167,11 @@ u16 spu2_cipher_req_init(u8 *spu_hdr, struct spu_cipher_parms *cipher_parms)
}
/**
- * spu_cipher_req_finish() - Finish building a SPU request message header for a
+ * spu2_cipher_req_finish() - Finish building a SPU request message header for a
* block cipher request.
* @spu_hdr: Start of the request message header (MH field)
* @spu_req_hdr_len: Length in bytes of the SPU request header
- * @isInbound: 0 encrypt, 1 decrypt
+ * @is_inbound: 0 encrypt, 1 decrypt
* @cipher_parms: Parameters describing cipher operation to be performed
* @data_size: Length of the data in the BD field
*
@@ -1222,7 +1227,7 @@ void spu2_cipher_req_finish(u8 *spu_hdr,
}
/**
- * spu_request_pad() - Create pad bytes at the end of the data.
+ * spu2_request_pad() - Create pad bytes at the end of the data.
* @pad_start: Start of buffer where pad bytes are to be written
* @gcm_padding: Length of GCM padding, in bytes
* @hash_pad_len: Number of bytes of padding extend data to full block
@@ -1311,7 +1316,7 @@ u8 spu2_rx_status_len(void)
}
/**
- * spu_status_process() - Process the status from a SPU response message.
+ * spu2_status_process() - Process the status from a SPU response message.
* @statp: start of STATUS word
*
* Return: 0 - if status is good and response should be processed
@@ -119,8 +119,8 @@ int spu_sg_count(struct scatterlist *sg_list, unsigned int skip, int nbytes)
* @from_skip: number of bytes to skip in from_sg. Non-zero when previous
* request included part of the buffer in entry in from_sg.
* Assumes from_skip < from_sg->length.
- * @from_nents number of entries in from_sg
- * @length number of bytes to copy. may reach this limit before exhausting
+ * @from_nents: number of entries in from_sg
+ * @length: number of bytes to copy. may reach this limit before exhausting
* from_sg.
*
* Copies the entries themselves, not the data in the entries. Assumes to_sg has
Fixes the following W=1 kernel build warning(s): drivers/crypto/bcm/util.c:136: warning: Function parameter or member 'from_nents' not described in 'spu_msg_sg_add' drivers/crypto/bcm/util.c:136: warning: Function parameter or member 'length' not described in 'spu_msg_sg_add' drivers/crypto/bcm/spu.c:464: warning: Excess function parameter 'Return' description in 'spum_gcm_ccm_pad_len' drivers/crypto/bcm/spu.c:524: warning: Function parameter or member 'iv_len' not described in 'spum_aead_ivlen' drivers/crypto/bcm/spu.c:524: warning: expecting prototype for spu_aead_ivlen(). Prototype was for spum_aead_ivlen() instead drivers/crypto/bcm/spu.c:556: warning: Function parameter or member 'alg_digest_size' not described in 'spum_digest_size' drivers/crypto/bcm/spu.c:556: warning: Function parameter or member 'alg' not described in 'spum_digest_size' drivers/crypto/bcm/spu.c:556: warning: Function parameter or member 'htype' not described in 'spum_digest_size' drivers/crypto/bcm/spu.c:583: warning: bad line: drivers/crypto/bcm/spu.c:927: warning: Function parameter or member 'is_inbound' not described in 'spum_cipher_req_finish' drivers/crypto/bcm/spu.c:927: warning: Excess function parameter 'isInbound' description in 'spum_cipher_req_finish' drivers/crypto/bcm/spu2.c:557: warning: Function parameter or member 'fmd' not described in 'spu2_fmd_init' drivers/crypto/bcm/spu2.c:557: warning: Function parameter or member 'spu2_type' not described in 'spu2_fmd_init' drivers/crypto/bcm/spu2.c:557: warning: Excess function parameter 'spu2_cipher_type' description in 'spu2_fmd_init' drivers/crypto/bcm/spu2.c:615: warning: Function parameter or member 'auth_first' not described in 'spu2_fmd_ctrl0_write' drivers/crypto/bcm/spu2.c:615: warning: Excess function parameter 'authFirst' description in 'spu2_fmd_ctrl0_write' drivers/crypto/bcm/spu2.c:666: warning: Function parameter or member 'is_inbound' not described in 'spu2_fmd_ctrl1_write' drivers/crypto/bcm/spu2.c:803: warning: expecting prototype for spu_payload_length(). Prototype was for spu2_payload_length() instead drivers/crypto/bcm/spu2.c:825: warning: Function parameter or member 'is_hash' not described in 'spu2_response_hdr_len' drivers/crypto/bcm/spu2.c:825: warning: expecting prototype for spu_response_hdr_len(). Prototype was for spu2_response_hdr_len() instead drivers/crypto/bcm/spu2.c:843: warning: expecting prototype for spu_hash_pad_len(). Prototype was for spu2_hash_pad_len() instead drivers/crypto/bcm/spu2.c:855: warning: Function parameter or member 'cipher_mode' not described in 'spu2_gcm_ccm_pad_len' drivers/crypto/bcm/spu2.c:855: warning: Function parameter or member 'data_size' not described in 'spu2_gcm_ccm_pad_len' drivers/crypto/bcm/spu2.c:855: warning: expecting prototype for spu2_gcm_ccm_padlen(). Prototype was for spu2_gcm_ccm_pad_len() instead drivers/crypto/bcm/spu2.c:872: warning: expecting prototype for spu_assoc_resp_len(). Prototype was for spu2_assoc_resp_len() instead drivers/crypto/bcm/spu2.c:919: warning: Function parameter or member 'alg_digest_size' not described in 'spu2_digest_size' drivers/crypto/bcm/spu2.c:919: warning: Function parameter or member 'alg' not described in 'spu2_digest_size' drivers/crypto/bcm/spu2.c:919: warning: Function parameter or member 'htype' not described in 'spu2_digest_size' drivers/crypto/bcm/spu2.c:945: warning: expecting prototype for spu_create_request(). Prototype was for spu2_create_request() instead drivers/crypto/bcm/spu2.c:1122: warning: expecting prototype for spu_cipher_req_init(). Prototype was for spu2_cipher_req_init() instead drivers/crypto/bcm/spu2.c:1182: warning: Function parameter or member 'is_inbound' not described in 'spu2_cipher_req_finish' drivers/crypto/bcm/spu2.c:1182: warning: expecting prototype for spu_cipher_req_finish(). Prototype was for spu2_cipher_req_finish() instead drivers/crypto/bcm/spu2.c:1243: warning: expecting prototype for spu_request_pad(). Prototype was for spu2_request_pad() instead drivers/crypto/bcm/spu2.c:1321: warning: expecting prototype for spu_status_process(). Prototype was for spu2_status_process() instead drivers/crypto/bcm/cipher.c:1048: warning: Function parameter or member 'req' not described in 'spu_aead_rx_sg_create' drivers/crypto/bcm/cipher.c:2966: warning: Function parameter or member 'cipher' not described in 'rfc4543_gcm_esp_setkey' drivers/crypto/bcm/cipher.c:2966: warning: Function parameter or member 'key' not described in 'rfc4543_gcm_esp_setkey' drivers/crypto/bcm/cipher.c:2966: warning: Function parameter or member 'keylen' not described in 'rfc4543_gcm_esp_setkey' Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: "David S. Miller" <davem@davemloft.net> Cc: Rob Rice <rob.rice@broadcom.com> Cc: linux-crypto@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> --- drivers/crypto/bcm/cipher.c | 7 +++--- drivers/crypto/bcm/spu.c | 16 +++++++------- drivers/crypto/bcm/spu2.c | 43 +++++++++++++++++++++---------------- drivers/crypto/bcm/util.c | 4 ++-- 4 files changed, 38 insertions(+), 32 deletions(-)