diff options
Diffstat (limited to 'drivers/crypto/caam/intern.h')
| -rw-r--r-- | drivers/crypto/caam/intern.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h index 9112279a4de0..7d45b21bd55a 100644 --- a/drivers/crypto/caam/intern.h +++ b/drivers/crypto/caam/intern.h @@ -16,6 +16,14 @@ /* Currently comes from Kconfig param as a ^2 (driver-required) */ #define JOBR_DEPTH (1 << CONFIG_CRYPTO_DEV_FSL_CAAM_RINGSIZE) +/* + * Maximum size for crypto-engine software queue based on Job Ring + * size (JOBR_DEPTH) and a THRESHOLD (reserved for the non-crypto-API + * requests that are not passed through crypto-engine) + */ +#define THRESHOLD 15 +#define CRYPTO_ENGINE_MAX_QLEN (JOBR_DEPTH - THRESHOLD) + /* Kconfig params for interrupt coalescing if selected (else zero) */ #ifdef CONFIG_CRYPTO_DEV_FSL_CAAM_INTC #define JOBR_INTC JRCFG_ICEN |