diff options
| -rw-r--r-- | drivers/crypto/qat/qat_common/qat_crypto.c | 7 | ||||
| -rw-r--r-- | drivers/crypto/qat/qat_common/qat_crypto.h | 15 |
2 files changed, 21 insertions, 1 deletions
diff --git a/drivers/crypto/qat/qat_common/qat_crypto.c b/drivers/crypto/qat/qat_common/qat_crypto.c index ab621b7dbd20..089d5d7b738e 100644 --- a/drivers/crypto/qat/qat_common/qat_crypto.c +++ b/drivers/crypto/qat/qat_common/qat_crypto.c @@ -117,10 +117,15 @@ int qat_crypto_dev_config(struct adf_accel_dev *accel_dev) { int cpus = num_online_cpus(); int banks = GET_MAX_BANKS(accel_dev); - int instances = min(cpus, banks); char key[ADF_CFG_MAX_KEY_LEN_IN_BYTES]; int i; unsigned long val; + int instances; + + if (adf_hw_dev_has_crypto(accel_dev)) + instances = min(cpus, banks); + else + instances = 0; if (adf_cfg_section_add(accel_dev, ADF_KERNEL_SEC)) goto err; diff --git a/drivers/crypto/qat/qat_common/qat_crypto.h b/drivers/crypto/qat/qat_common/qat_crypto.h index 8d11e94cbf08..b6a4c95ae003 100644 --- a/drivers/crypto/qat/qat_common/qat_crypto.h +++ b/drivers/crypto/qat/qat_common/qat_crypto.h @@ -55,4 +55,19 @@ struct qat_crypto_request { bool encryption; }; +static inline bool adf_hw_dev_has_crypto(struct adf_accel_dev *accel_dev) +{ + struct adf_hw_device_data *hw_device = accel_dev->hw_device; + u32 mask = ~hw_device->accel_capabilities_mask; + + if (mask & ADF_ACCEL_CAPABILITIES_CRYPTO_SYMMETRIC) + return false; + if (mask & ADF_ACCEL_CAPABILITIES_CRYPTO_ASYMMETRIC) + return false; + if (mask & ADF_ACCEL_CAPABILITIES_AUTHENTICATION) + return false; + + return true; +} + #endif |