Remove the CRYPTO_ALG_ALLOCATES_MEMORY flag from the aead, skcipher
and acomp alg structures since the driver does not allocate memory in
the request processing for scatterlists with 4 or less entries.
This allows the QAT driver to be used by dm-crypt.
Signed-off-by: Giovanni Cabiddu <giovanni.cabi...@intel.com>
Reviewed-by: Fiona Trahe <fiona.tr...@intel.com>
---
drivers/crypto/intel/qat/qat_common/qat_algs.c | 13 ++++++-------
drivers/crypto/intel/qat/qat_common/qat_comp_algs.c | 2 +-
2 files changed, 7 insertions(+), 8 deletions(-)
diff --git a/drivers/crypto/intel/qat/qat_common/qat_algs.c
b/drivers/crypto/intel/qat/qat_common/qat_algs.c
index 3c4bba4a8779..a7a6ac33052a 100644
--- a/drivers/crypto/intel/qat/qat_common/qat_algs.c
+++ b/drivers/crypto/intel/qat/qat_common/qat_algs.c
@@ -1278,7 +1278,7 @@ static struct aead_alg qat_aeads[] = { {
.cra_name = "authenc(hmac(sha1),cbc(aes))",
.cra_driver_name = "qat_aes_cbc_hmac_sha1",
.cra_priority = 4001,
- .cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY,
+ .cra_flags = CRYPTO_ALG_ASYNC,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct qat_alg_aead_ctx),
.cra_module = THIS_MODULE,
@@ -1295,7 +1295,7 @@ static struct aead_alg qat_aeads[] = { {
.cra_name = "authenc(hmac(sha256),cbc(aes))",
.cra_driver_name = "qat_aes_cbc_hmac_sha256",
.cra_priority = 4001,
- .cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY,
+ .cra_flags = CRYPTO_ALG_ASYNC,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct qat_alg_aead_ctx),
.cra_module = THIS_MODULE,
@@ -1312,7 +1312,7 @@ static struct aead_alg qat_aeads[] = { {
.cra_name = "authenc(hmac(sha512),cbc(aes))",
.cra_driver_name = "qat_aes_cbc_hmac_sha512",
.cra_priority = 4001,
- .cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY,
+ .cra_flags = CRYPTO_ALG_ASYNC,
.cra_blocksize = AES_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct qat_alg_aead_ctx),
.cra_module = THIS_MODULE,
@@ -1330,7 +1330,7 @@ static struct skcipher_alg qat_skciphers[] = { {
.base.cra_name = "cbc(aes)",
.base.cra_driver_name = "qat_aes_cbc",
.base.cra_priority = 4001,
- .base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY,
+ .base.cra_flags = CRYPTO_ALG_ASYNC,
.base.cra_blocksize = AES_BLOCK_SIZE,
.base.cra_ctxsize = sizeof(struct qat_alg_skcipher_ctx),
.base.cra_alignmask = 0,
@@ -1348,7 +1348,7 @@ static struct skcipher_alg qat_skciphers[] = { {
.base.cra_name = "ctr(aes)",
.base.cra_driver_name = "qat_aes_ctr",
.base.cra_priority = 4001,
- .base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY,
+ .base.cra_flags = CRYPTO_ALG_ASYNC,
.base.cra_blocksize = 1,
.base.cra_ctxsize = sizeof(struct qat_alg_skcipher_ctx),
.base.cra_alignmask = 0,
@@ -1366,8 +1366,7 @@ static struct skcipher_alg qat_skciphers[] = { {
.base.cra_name = "xts(aes)",
.base.cra_driver_name = "qat_aes_xts",
.base.cra_priority = 4001,
- .base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK |
- CRYPTO_ALG_ALLOCATES_MEMORY,
+ .base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK,
.base.cra_blocksize = AES_BLOCK_SIZE,
.base.cra_ctxsize = sizeof(struct qat_alg_skcipher_ctx),
.base.cra_alignmask = 0,
diff --git a/drivers/crypto/intel/qat/qat_common/qat_comp_algs.c
b/drivers/crypto/intel/qat/qat_common/qat_comp_algs.c
index b533984906ec..bd1383da1c4a 100644
--- a/drivers/crypto/intel/qat/qat_common/qat_comp_algs.c
+++ b/drivers/crypto/intel/qat/qat_common/qat_comp_algs.c
@@ -442,7 +442,7 @@ static struct acomp_alg qat_acomp[] = { {
.cra_name = "deflate",
.cra_driver_name = "qat_deflate",
.cra_priority = 4001,
- .cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY,
+ .cra_flags = CRYPTO_ALG_ASYNC,
.cra_ctxsize = sizeof(struct qat_compression_ctx),
.cra_module = THIS_MODULE,
},
--
2.40.1
--
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