diff options
Diffstat (limited to 'drivers/crypto/hisilicon/hpre/hpre_crypto.c')
| -rw-r--r-- | drivers/crypto/hisilicon/hpre/hpre_crypto.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/crypto/hisilicon/hpre/hpre_crypto.c b/drivers/crypto/hisilicon/hpre/hpre_crypto.c index 2a2910261210..1550c3818383 100644 --- a/drivers/crypto/hisilicon/hpre/hpre_crypto.c +++ b/drivers/crypto/hisilicon/hpre/hpre_crypto.c @@ -39,6 +39,8 @@ struct hpre_ctx; #define HPRE_DFX_SEC_TO_US 1000000 #define HPRE_DFX_US_TO_NS 1000 +#define HPRE_ENABLE_HPCORE_SHIFT 7 + /* due to nist p521 */ #define HPRE_ECC_MAX_KSZ 66 @@ -131,6 +133,8 @@ struct hpre_ctx { }; /* for ecc algorithms */ unsigned int curve_id; + /* for high performance core */ + u8 enable_hpcore; }; struct hpre_asym_request { @@ -1487,11 +1491,13 @@ static void hpre_ecdh_cb(struct hpre_ctx *ctx, void *resp) if (overtime_thrhld && hpre_is_bd_timeout(req, overtime_thrhld)) atomic64_inc(&dfx[HPRE_OVER_THRHLD_CNT].value); + /* Do unmap before data processing */ + hpre_ecdh_hw_data_clr_all(ctx, req, areq->dst, areq->src); + p = sg_virt(areq->dst); memmove(p, p + ctx->key_sz - curve_sz, curve_sz); memmove(p + curve_sz, p + areq->dst_len - curve_sz, curve_sz); - hpre_ecdh_hw_data_clr_all(ctx, req, areq->dst, areq->src); kpp_request_complete(areq, ret); atomic64_inc(&dfx[HPRE_RECV_CNT].value); @@ -1619,6 +1625,8 @@ static int hpre_ecdh_compute_value(struct kpp_request *req) } msg->dw0 = cpu_to_le32(le32_to_cpu(msg->dw0) | HPRE_ALG_ECC_MUL); + msg->resv1 = ctx->enable_hpcore << HPRE_ENABLE_HPCORE_SHIFT; + ret = hpre_send(ctx, msg); if (likely(!ret)) return -EINPROGRESS; @@ -1653,6 +1661,7 @@ static int hpre_ecdh_nist_p256_init_tfm(struct crypto_kpp *tfm) struct hpre_ctx *ctx = kpp_tfm_ctx(tfm); ctx->curve_id = ECC_CURVE_NIST_P256; + ctx->enable_hpcore = 1; kpp_set_reqsize(tfm, sizeof(struct hpre_asym_request) + hpre_align_pd()); @@ -1801,9 +1810,11 @@ static void hpre_curve25519_cb(struct hpre_ctx *ctx, void *resp) if (overtime_thrhld && hpre_is_bd_timeout(req, overtime_thrhld)) atomic64_inc(&dfx[HPRE_OVER_THRHLD_CNT].value); + /* Do unmap before data processing */ + hpre_curve25519_hw_data_clr_all(ctx, req, areq->dst, areq->src); + hpre_key_to_big_end(sg_virt(areq->dst), CURVE25519_KEY_SIZE); - hpre_curve25519_hw_data_clr_all(ctx, req, areq->dst, areq->src); kpp_request_complete(areq, ret); atomic64_inc(&dfx[HPRE_RECV_CNT].value); |