From: Giovanni Cabiddu giovanni.cabiddu@intel.com
[ Upstream commit 8fb203c65a795b96faa1836b5086a5d6eb5c5e99 ]
If a request has the flag CRYPTO_TFM_REQ_MAY_SLEEP set, allocate memory using the flag GFP_KERNEL otherwise use GFP_ATOMIC.
Signed-off-by: Giovanni Cabiddu giovanni.cabiddu@intel.com Reviewed-by: Adam Guerin adam.guerin@intel.com Reviewed-by: Wojciech Ziemba wojciech.ziemba@intel.com Signed-off-by: Herbert Xu herbert@gondor.apana.org.au Stable-dep-of: eb7713f5ca97 ("crypto: qat - unmap buffer before free for DH") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/crypto/qat/qat_common/qat_algs.c | 19 ++++++++++++------- drivers/crypto/qat/qat_common/qat_asym_algs.c | 17 ++++++++++------- drivers/crypto/qat/qat_common/qat_crypto.h | 5 +++++ 3 files changed, 27 insertions(+), 14 deletions(-)
diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c index 906082fbdd67b..d36f90628603c 100644 --- a/drivers/crypto/qat/qat_common/qat_algs.c +++ b/drivers/crypto/qat/qat_common/qat_algs.c @@ -706,7 +706,8 @@ static void qat_alg_free_bufl(struct qat_crypto_instance *inst, static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst, struct scatterlist *sgl, struct scatterlist *sglout, - struct qat_crypto_request *qat_req) + struct qat_crypto_request *qat_req, + gfp_t flags) { struct device *dev = &GET_DEV(inst->accel_dev); int i, sg_nctr = 0; @@ -727,7 +728,7 @@ static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst, qat_req->buf.sgl_dst_valid = false;
if (n > QAT_MAX_BUFF_DESC) { - bufl = kzalloc_node(sz, GFP_ATOMIC, node); + bufl = kzalloc_node(sz, flags, node); if (unlikely(!bufl)) return -ENOMEM; } else { @@ -771,7 +772,7 @@ static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst, sg_nctr = 0;
if (n > QAT_MAX_BUFF_DESC) { - buflout = kzalloc_node(sz_out, GFP_ATOMIC, node); + buflout = kzalloc_node(sz_out, flags, node); if (unlikely(!buflout)) goto err_in; } else { @@ -972,6 +973,7 @@ static int qat_alg_aead_dec(struct aead_request *areq) struct icp_qat_fw_la_auth_req_params *auth_param; struct icp_qat_fw_la_bulk_req *msg; int digst_size = crypto_aead_authsize(aead_tfm); + gfp_t f = qat_algs_alloc_flags(&areq->base); int ret; u32 cipher_len;
@@ -979,7 +981,7 @@ static int qat_alg_aead_dec(struct aead_request *areq) if (cipher_len % AES_BLOCK_SIZE != 0) return -EINVAL;
- ret = qat_alg_sgl_to_bufl(ctx->inst, areq->src, areq->dst, qat_req); + ret = qat_alg_sgl_to_bufl(ctx->inst, areq->src, areq->dst, qat_req, f); if (unlikely(ret)) return ret;
@@ -1014,6 +1016,7 @@ static int qat_alg_aead_enc(struct aead_request *areq) struct qat_crypto_request *qat_req = aead_request_ctx(areq); struct icp_qat_fw_la_cipher_req_params *cipher_param; struct icp_qat_fw_la_auth_req_params *auth_param; + gfp_t f = qat_algs_alloc_flags(&areq->base); struct icp_qat_fw_la_bulk_req *msg; u8 *iv = areq->iv; int ret; @@ -1021,7 +1024,7 @@ static int qat_alg_aead_enc(struct aead_request *areq) if (areq->cryptlen % AES_BLOCK_SIZE != 0) return -EINVAL;
- ret = qat_alg_sgl_to_bufl(ctx->inst, areq->src, areq->dst, qat_req); + ret = qat_alg_sgl_to_bufl(ctx->inst, areq->src, areq->dst, qat_req, f); if (unlikely(ret)) return ret;
@@ -1199,13 +1202,14 @@ static int qat_alg_skcipher_encrypt(struct skcipher_request *req) struct qat_alg_skcipher_ctx *ctx = crypto_tfm_ctx(tfm); struct qat_crypto_request *qat_req = skcipher_request_ctx(req); struct icp_qat_fw_la_cipher_req_params *cipher_param; + gfp_t f = qat_algs_alloc_flags(&req->base); struct icp_qat_fw_la_bulk_req *msg; int ret;
if (req->cryptlen == 0) return 0;
- ret = qat_alg_sgl_to_bufl(ctx->inst, req->src, req->dst, qat_req); + ret = qat_alg_sgl_to_bufl(ctx->inst, req->src, req->dst, qat_req, f); if (unlikely(ret)) return ret;
@@ -1264,13 +1268,14 @@ static int qat_alg_skcipher_decrypt(struct skcipher_request *req) struct qat_alg_skcipher_ctx *ctx = crypto_tfm_ctx(tfm); struct qat_crypto_request *qat_req = skcipher_request_ctx(req); struct icp_qat_fw_la_cipher_req_params *cipher_param; + gfp_t f = qat_algs_alloc_flags(&req->base); struct icp_qat_fw_la_bulk_req *msg; int ret;
if (req->cryptlen == 0) return 0;
- ret = qat_alg_sgl_to_bufl(ctx->inst, req->src, req->dst, qat_req); + ret = qat_alg_sgl_to_bufl(ctx->inst, req->src, req->dst, qat_req, f); if (unlikely(ret)) return ret;
diff --git a/drivers/crypto/qat/qat_common/qat_asym_algs.c b/drivers/crypto/qat/qat_common/qat_asym_algs.c index 5f11929cf9bac..11c7f2b6e5975 100644 --- a/drivers/crypto/qat/qat_common/qat_asym_algs.c +++ b/drivers/crypto/qat/qat_common/qat_asym_algs.c @@ -224,9 +224,10 @@ static int qat_dh_compute_value(struct kpp_request *req) struct qat_asym_request *qat_req = PTR_ALIGN(kpp_request_ctx(req), 64); struct icp_qat_fw_pke_request *msg = &qat_req->req; - int ret; + gfp_t flags = qat_algs_alloc_flags(&req->base); int n_input_params = 0; u8 *vaddr; + int ret;
if (unlikely(!ctx->xa)) return -EINVAL; @@ -291,7 +292,7 @@ static int qat_dh_compute_value(struct kpp_request *req) } else { int shift = ctx->p_size - req->src_len;
- qat_req->src_align = kzalloc(ctx->p_size, GFP_KERNEL); + qat_req->src_align = kzalloc(ctx->p_size, flags); if (unlikely(!qat_req->src_align)) return ret;
@@ -317,7 +318,7 @@ static int qat_dh_compute_value(struct kpp_request *req) qat_req->dst_align = NULL; vaddr = sg_virt(req->dst); } else { - qat_req->dst_align = kzalloc(ctx->p_size, GFP_KERNEL); + qat_req->dst_align = kzalloc(ctx->p_size, flags); if (unlikely(!qat_req->dst_align)) goto unmap_src;
@@ -650,6 +651,7 @@ static int qat_rsa_enc(struct akcipher_request *req) struct qat_asym_request *qat_req = PTR_ALIGN(akcipher_request_ctx(req), 64); struct icp_qat_fw_pke_request *msg = &qat_req->req; + gfp_t flags = qat_algs_alloc_flags(&req->base); u8 *vaddr; int ret;
@@ -696,7 +698,7 @@ static int qat_rsa_enc(struct akcipher_request *req) } else { int shift = ctx->key_sz - req->src_len;
- qat_req->src_align = kzalloc(ctx->key_sz, GFP_KERNEL); + qat_req->src_align = kzalloc(ctx->key_sz, flags); if (unlikely(!qat_req->src_align)) return ret;
@@ -714,7 +716,7 @@ static int qat_rsa_enc(struct akcipher_request *req) qat_req->dst_align = NULL; vaddr = sg_virt(req->dst); } else { - qat_req->dst_align = kzalloc(ctx->key_sz, GFP_KERNEL); + qat_req->dst_align = kzalloc(ctx->key_sz, flags); if (unlikely(!qat_req->dst_align)) goto unmap_src; vaddr = qat_req->dst_align; @@ -783,6 +785,7 @@ static int qat_rsa_dec(struct akcipher_request *req) struct qat_asym_request *qat_req = PTR_ALIGN(akcipher_request_ctx(req), 64); struct icp_qat_fw_pke_request *msg = &qat_req->req; + gfp_t flags = qat_algs_alloc_flags(&req->base); u8 *vaddr; int ret;
@@ -839,7 +842,7 @@ static int qat_rsa_dec(struct akcipher_request *req) } else { int shift = ctx->key_sz - req->src_len;
- qat_req->src_align = kzalloc(ctx->key_sz, GFP_KERNEL); + qat_req->src_align = kzalloc(ctx->key_sz, flags); if (unlikely(!qat_req->src_align)) return ret;
@@ -857,7 +860,7 @@ static int qat_rsa_dec(struct akcipher_request *req) qat_req->dst_align = NULL; vaddr = sg_virt(req->dst); } else { - qat_req->dst_align = kzalloc(ctx->key_sz, GFP_KERNEL); + qat_req->dst_align = kzalloc(ctx->key_sz, flags); if (unlikely(!qat_req->dst_align)) goto unmap_src; vaddr = qat_req->dst_align; diff --git a/drivers/crypto/qat/qat_common/qat_crypto.h b/drivers/crypto/qat/qat_common/qat_crypto.h index 245b6d9a36507..df3c738ce323a 100644 --- a/drivers/crypto/qat/qat_common/qat_crypto.h +++ b/drivers/crypto/qat/qat_common/qat_crypto.h @@ -109,4 +109,9 @@ static inline bool adf_hw_dev_has_crypto(struct adf_accel_dev *accel_dev) return true; }
+static inline gfp_t qat_algs_alloc_flags(struct crypto_async_request *req) +{ + return req->flags & CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL : GFP_ATOMIC; +} + #endif