diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/crypto/qat/qat_common/qat_algs.c | 71 | ||||
-rw-r--r-- | drivers/crypto/qat/qat_common/qat_crypto.h | 2 |
2 files changed, 61 insertions, 12 deletions
diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c index b60156d987eb..6be3e7413beb 100644 --- a/drivers/crypto/qat/qat_common/qat_algs.c +++ b/drivers/crypto/qat/qat_common/qat_algs.c @@ -255,7 +255,24 @@ static int qat_alg_do_precomputes(struct icp_qat_hw_auth_algo_blk *hash, return 0; } -static void qat_alg_init_common_hdr(struct icp_qat_fw_comn_req_hdr *header) +static void qat_alg_init_hdr_iv_updt(struct icp_qat_fw_comn_req_hdr *header) +{ + ICP_QAT_FW_LA_CIPH_IV_FLD_FLAG_SET(header->serv_specif_flags, + ICP_QAT_FW_CIPH_IV_64BIT_PTR); + ICP_QAT_FW_LA_UPDATE_STATE_SET(header->serv_specif_flags, + ICP_QAT_FW_LA_UPDATE_STATE); +} + +static void qat_alg_init_hdr_no_iv_updt(struct icp_qat_fw_comn_req_hdr *header) +{ + ICP_QAT_FW_LA_CIPH_IV_FLD_FLAG_SET(header->serv_specif_flags, + ICP_QAT_FW_CIPH_IV_16BYTE_DATA); + ICP_QAT_FW_LA_UPDATE_STATE_SET(header->serv_specif_flags, + ICP_QAT_FW_LA_NO_UPDATE_STATE); +} + +static void qat_alg_init_common_hdr(struct icp_qat_fw_comn_req_hdr *header, + int aead) { header->hdr_flags = ICP_QAT_FW_COMN_HDR_FLAGS_BUILD(ICP_QAT_FW_COMN_REQ_FLAG_SET); @@ -265,12 +282,12 @@ static void qat_alg_init_common_hdr(struct icp_qat_fw_comn_req_hdr *header) QAT_COMN_PTR_TYPE_SGL); ICP_QAT_FW_LA_PARTIAL_SET(header->serv_specif_flags, ICP_QAT_FW_LA_PARTIAL_NONE); - ICP_QAT_FW_LA_CIPH_IV_FLD_FLAG_SET(header->serv_specif_flags, - ICP_QAT_FW_CIPH_IV_16BYTE_DATA); + if (aead) + qat_alg_init_hdr_no_iv_updt(header); + else + qat_alg_init_hdr_iv_updt(header); ICP_QAT_FW_LA_PROTO_SET(header->serv_specif_flags, ICP_QAT_FW_LA_NO_PROTO); - ICP_QAT_FW_LA_UPDATE_STATE_SET(header->serv_specif_flags, - ICP_QAT_FW_LA_NO_UPDATE_STATE); } static int qat_alg_aead_init_enc_session(struct crypto_aead *aead_tfm, @@ -305,7 +322,7 @@ static int qat_alg_aead_init_enc_session(struct crypto_aead *aead_tfm, return -EFAULT; /* Request setup */ - qat_alg_init_common_hdr(header); + qat_alg_init_common_hdr(header, 1); header->service_cmd_id = ICP_QAT_FW_LA_CMD_CIPHER_HASH; ICP_QAT_FW_LA_DIGEST_IN_BUFFER_SET(header->serv_specif_flags, ICP_QAT_FW_LA_DIGEST_IN_BUFFER); @@ -392,7 +409,7 @@ static int qat_alg_aead_init_dec_session(struct crypto_aead *aead_tfm, return -EFAULT; /* Request setup */ - qat_alg_init_common_hdr(header); + qat_alg_init_common_hdr(header, 1); header->service_cmd_id = ICP_QAT_FW_LA_CMD_HASH_CIPHER; ICP_QAT_FW_LA_DIGEST_IN_BUFFER_SET(header->serv_specif_flags, ICP_QAT_FW_LA_DIGEST_IN_BUFFER); @@ -456,7 +473,7 @@ static void qat_alg_ablkcipher_init_com(struct qat_alg_ablkcipher_ctx *ctx, struct icp_qat_fw_cipher_cd_ctrl_hdr *cd_ctrl = (void *)&req->cd_ctrl; memcpy(cd->aes.key, key, keylen); - qat_alg_init_common_hdr(header); + qat_alg_init_common_hdr(header, 0); header->service_cmd_id = ICP_QAT_FW_LA_CMD_CIPHER; cd_pars->u.s.content_desc_params_sz = sizeof(struct icp_qat_hw_cipher_algo_blk) >> 3; @@ -803,11 +820,17 @@ static void qat_ablkcipher_alg_callback(struct icp_qat_fw_la_resp *qat_resp, struct qat_crypto_instance *inst = ctx->inst; struct ablkcipher_request *areq = qat_req->ablkcipher_req; uint8_t stat_filed = qat_resp->comn_resp.comn_status; + struct device *dev = &GET_DEV(ctx->inst->accel_dev); int res = 0, qat_res = ICP_QAT_FW_COMN_RESP_CRYPTO_STAT_GET(stat_filed); qat_alg_free_bufl(inst, qat_req); if (unlikely(qat_res != ICP_QAT_FW_COMN_STATUS_FLAG_OK)) res = -EINVAL; + + memcpy(areq->info, qat_req->iv, AES_BLOCK_SIZE); + dma_free_coherent(dev, AES_BLOCK_SIZE, qat_req->iv, + qat_req->iv_paddr); + areq->base.complete(&areq->base, res); } @@ -989,11 +1012,20 @@ static int qat_alg_ablkcipher_encrypt(struct ablkcipher_request *req) struct qat_crypto_request *qat_req = ablkcipher_request_ctx(req); struct icp_qat_fw_la_cipher_req_params *cipher_param; struct icp_qat_fw_la_bulk_req *msg; + struct device *dev = &GET_DEV(ctx->inst->accel_dev); int ret, ctr = 0; + qat_req->iv = dma_alloc_coherent(dev, AES_BLOCK_SIZE, + &qat_req->iv_paddr, GFP_ATOMIC); + if (!qat_req->iv) + return -ENOMEM; + ret = qat_alg_sgl_to_bufl(ctx->inst, req->src, req->dst, qat_req); - if (unlikely(ret)) + if (unlikely(ret)) { + dma_free_coherent(dev, AES_BLOCK_SIZE, qat_req->iv, + qat_req->iv_paddr); return ret; + } msg = &qat_req->req; *msg = ctx->enc_fw_req; @@ -1006,13 +1038,16 @@ static int qat_alg_ablkcipher_encrypt(struct ablkcipher_request *req) cipher_param = (void *)&qat_req->req.serv_specif_rqpars; cipher_param->cipher_length = req->nbytes; cipher_param->cipher_offset = 0; - memcpy(cipher_param->u.cipher_IV_array, req->info, AES_BLOCK_SIZE); + cipher_param->u.s.cipher_IV_ptr = qat_req->iv_paddr; + memcpy(qat_req->iv, req->info, AES_BLOCK_SIZE); do { ret = adf_send_message(ctx->inst->sym_tx, (uint32_t *)msg); } while (ret == -EAGAIN && ctr++ < 10); if (ret == -EAGAIN) { qat_alg_free_bufl(ctx->inst, qat_req); + dma_free_coherent(dev, AES_BLOCK_SIZE, qat_req->iv, + qat_req->iv_paddr); return -EBUSY; } return -EINPROGRESS; @@ -1026,11 +1061,20 @@ static int qat_alg_ablkcipher_decrypt(struct ablkcipher_request *req) struct qat_crypto_request *qat_req = ablkcipher_request_ctx(req); struct icp_qat_fw_la_cipher_req_params *cipher_param; struct icp_qat_fw_la_bulk_req *msg; + struct device *dev = &GET_DEV(ctx->inst->accel_dev); int ret, ctr = 0; + qat_req->iv = dma_alloc_coherent(dev, AES_BLOCK_SIZE, + &qat_req->iv_paddr, GFP_ATOMIC); + if (!qat_req->iv) + return -ENOMEM; + ret = qat_alg_sgl_to_bufl(ctx->inst, req->src, req->dst, qat_req); - if (unlikely(ret)) + if (unlikely(ret)) { + dma_free_coherent(dev, AES_BLOCK_SIZE, qat_req->iv, + qat_req->iv_paddr); return ret; + } msg = &qat_req->req; *msg = ctx->dec_fw_req; @@ -1043,13 +1087,16 @@ static int qat_alg_ablkcipher_decrypt(struct ablkcipher_request *req) cipher_param = (void *)&qat_req->req.serv_specif_rqpars; cipher_param->cipher_length = req->nbytes; cipher_param->cipher_offset = 0; - memcpy(cipher_param->u.cipher_IV_array, req->info, AES_BLOCK_SIZE); + cipher_param->u.s.cipher_IV_ptr = qat_req->iv_paddr; + memcpy(qat_req->iv, req->info, AES_BLOCK_SIZE); do { ret = adf_send_message(ctx->inst->sym_tx, (uint32_t *)msg); } while (ret == -EAGAIN && ctr++ < 10); if (ret == -EAGAIN) { qat_alg_free_bufl(ctx->inst, qat_req); + dma_free_coherent(dev, AES_BLOCK_SIZE, qat_req->iv, + qat_req->iv_paddr); return -EBUSY; } return -EINPROGRESS; diff --git a/drivers/crypto/qat/qat_common/qat_crypto.h b/drivers/crypto/qat/qat_common/qat_crypto.h index dc0273fe3620..c77a80020cde 100644 --- a/drivers/crypto/qat/qat_common/qat_crypto.h +++ b/drivers/crypto/qat/qat_common/qat_crypto.h @@ -88,6 +88,8 @@ struct qat_crypto_request { struct qat_crypto_request_buffs buf; void (*cb)(struct icp_qat_fw_la_resp *resp, struct qat_crypto_request *req); + void *iv; + dma_addr_t iv_paddr; }; #endif |