diff options
Diffstat (limited to 'drivers/crypto/ccree')
| -rw-r--r-- | drivers/crypto/ccree/cc_hash.c | 91 |
1 files changed, 36 insertions, 55 deletions
diff --git a/drivers/crypto/ccree/cc_hash.c b/drivers/crypto/ccree/cc_hash.c index 0b179aafd484..f3adc1ab0e01 100644 --- a/drivers/crypto/ccree/cc_hash.c +++ b/drivers/crypto/ccree/cc_hash.c @@ -1865,104 +1865,85 @@ static struct cc_hash_alg *cc_alloc_hash_alg(struct cc_hash_template *template, return t_crypto_alg; } +static int cc_init_copy_sram(struct cc_drvdata *drvdata, const u32 *data, + unsigned int size, u32 *sram_buff_ofs) +{ + struct cc_hw_desc larval_seq[CC_DIGEST_SIZE_MAX / sizeof(u32)]; + unsigned int larval_seq_len = 0; + int rc; + + cc_set_sram_desc(data, *sram_buff_ofs, size / sizeof(*data), + larval_seq, &larval_seq_len); + rc = send_request_init(drvdata, larval_seq, larval_seq_len); + if (rc) + return rc; + + *sram_buff_ofs += size; + return 0; +} + int cc_init_hash_sram(struct cc_drvdata *drvdata) { struct cc_hash_handle *hash_handle = drvdata->hash_handle; u32 sram_buff_ofs = hash_handle->digest_len_sram_addr; - unsigned int larval_seq_len = 0; - struct cc_hw_desc larval_seq[CC_DIGEST_SIZE_MAX / sizeof(u32)]; bool large_sha_supported = (drvdata->hw_rev >= CC_HW_REV_712); bool sm3_supported = (drvdata->hw_rev >= CC_HW_REV_713); int rc = 0; /* Copy-to-sram digest-len */ - cc_set_sram_desc(cc_digest_len_init, sram_buff_ofs, - ARRAY_SIZE(cc_digest_len_init), larval_seq, - &larval_seq_len); - rc = send_request_init(drvdata, larval_seq, larval_seq_len); + rc = cc_init_copy_sram(drvdata, cc_digest_len_init, + sizeof(cc_digest_len_init), &sram_buff_ofs); if (rc) goto init_digest_const_err; - sram_buff_ofs += sizeof(cc_digest_len_init); - larval_seq_len = 0; - if (large_sha_supported) { /* Copy-to-sram digest-len for sha384/512 */ - cc_set_sram_desc(cc_digest_len_sha512_init, sram_buff_ofs, - ARRAY_SIZE(cc_digest_len_sha512_init), - larval_seq, &larval_seq_len); - rc = send_request_init(drvdata, larval_seq, larval_seq_len); + rc = cc_init_copy_sram(drvdata, cc_digest_len_sha512_init, + sizeof(cc_digest_len_sha512_init), + &sram_buff_ofs); if (rc) goto init_digest_const_err; - - sram_buff_ofs += sizeof(cc_digest_len_sha512_init); - larval_seq_len = 0; } /* The initial digests offset */ hash_handle->larval_digest_sram_addr = sram_buff_ofs; /* Copy-to-sram initial SHA* digests */ - cc_set_sram_desc(cc_md5_init, sram_buff_ofs, ARRAY_SIZE(cc_md5_init), - larval_seq, &larval_seq_len); - rc = send_request_init(drvdata, larval_seq, larval_seq_len); + rc = cc_init_copy_sram(drvdata, cc_md5_init, sizeof(cc_md5_init), + &sram_buff_ofs); if (rc) goto init_digest_const_err; - sram_buff_ofs += sizeof(cc_md5_init); - larval_seq_len = 0; - cc_set_sram_desc(cc_sha1_init, sram_buff_ofs, - ARRAY_SIZE(cc_sha1_init), larval_seq, - &larval_seq_len); - rc = send_request_init(drvdata, larval_seq, larval_seq_len); + rc = cc_init_copy_sram(drvdata, cc_sha1_init, sizeof(cc_sha1_init), + &sram_buff_ofs); if (rc) goto init_digest_const_err; - sram_buff_ofs += sizeof(cc_sha1_init); - larval_seq_len = 0; - cc_set_sram_desc(cc_sha224_init, sram_buff_ofs, - ARRAY_SIZE(cc_sha224_init), larval_seq, - &larval_seq_len); - rc = send_request_init(drvdata, larval_seq, larval_seq_len); + rc = cc_init_copy_sram(drvdata, cc_sha224_init, sizeof(cc_sha224_init), + &sram_buff_ofs); if (rc) goto init_digest_const_err; - sram_buff_ofs += sizeof(cc_sha224_init); - larval_seq_len = 0; - cc_set_sram_desc(cc_sha256_init, sram_buff_ofs, - ARRAY_SIZE(cc_sha256_init), larval_seq, - &larval_seq_len); - rc = send_request_init(drvdata, larval_seq, larval_seq_len); + rc = cc_init_copy_sram(drvdata, cc_sha256_init, sizeof(cc_sha256_init), + &sram_buff_ofs); if (rc) goto init_digest_const_err; - sram_buff_ofs += sizeof(cc_sha256_init); - larval_seq_len = 0; if (sm3_supported) { - cc_set_sram_desc(cc_sm3_init, sram_buff_ofs, - ARRAY_SIZE(cc_sm3_init), larval_seq, - &larval_seq_len); - rc = send_request_init(drvdata, larval_seq, larval_seq_len); + rc = cc_init_copy_sram(drvdata, cc_sm3_init, + sizeof(cc_sm3_init), &sram_buff_ofs); if (rc) goto init_digest_const_err; - sram_buff_ofs += sizeof(cc_sm3_init); - larval_seq_len = 0; } if (large_sha_supported) { - cc_set_sram_desc(cc_sha384_init, sram_buff_ofs, - ARRAY_SIZE(cc_sha384_init), larval_seq, - &larval_seq_len); - rc = send_request_init(drvdata, larval_seq, larval_seq_len); + rc = cc_init_copy_sram(drvdata, cc_sha384_init, + sizeof(cc_sha384_init), &sram_buff_ofs); if (rc) goto init_digest_const_err; - sram_buff_ofs += sizeof(cc_sha384_init); - larval_seq_len = 0; - cc_set_sram_desc(cc_sha512_init, sram_buff_ofs, - ARRAY_SIZE(cc_sha512_init), larval_seq, - &larval_seq_len); - rc = send_request_init(drvdata, larval_seq, larval_seq_len); + rc = cc_init_copy_sram(drvdata, cc_sha512_init, + sizeof(cc_sha512_init), &sram_buff_ofs); if (rc) goto init_digest_const_err; } |