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Miller" , Rob Rice , linux-crypto@vger.kernel.org Subject: [PATCH 02/10] crypto: bcm: Fix a whole host of kernel-doc misdemeanours Date: Thu, 18 Mar 2021 12:44:14 +0000 Message-Id: <20210318124422.3200180-3-lee.jones@linaro.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210318124422.3200180-1-lee.jones@linaro.org> References: <20210318124422.3200180-1-lee.jones@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org 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 Cc: "David S. Miller" Cc: Rob Rice Cc: linux-crypto@vger.kernel.org Signed-off-by: Lee Jones --- 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(-) -- 2.27.0 diff --git a/drivers/crypto/bcm/cipher.c b/drivers/crypto/bcm/cipher.c index 851b149f71701..053315e260c22 100644 --- a/drivers/crypto/bcm/cipher.c +++ b/drivers/crypto/bcm/cipher.c @@ -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 diff --git a/drivers/crypto/bcm/spu.c b/drivers/crypto/bcm/spu.c index 007abf92cc05b..6283e8c6d51d3 100644 --- a/drivers/crypto/bcm/spu.c +++ b/drivers/crypto/bcm/spu.c @@ -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 * diff --git a/drivers/crypto/bcm/spu2.c b/drivers/crypto/bcm/spu2.c index 2db35b5ccaa24..07989bb8c220a 100644 --- a/drivers/crypto/bcm/spu2.c +++ b/drivers/crypto/bcm/spu2.c @@ -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 diff --git a/drivers/crypto/bcm/util.c b/drivers/crypto/bcm/util.c index c4669a96eaecf..d5d9cabea55aa 100644 --- a/drivers/crypto/bcm/util.c +++ b/drivers/crypto/bcm/util.c @@ -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