# SPDX-License-Identifier: GPL-2.0 config CRYPTO_DEV_FSL_CAAM_COMMON tristate config CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC tristate config CRYPTO_DEV_FSL_CAAM_AHASH_API_DESC tristate config CRYPTO_DEV_FSL_CAAM tristate "Freescale CAAM-Multicore platform driver backend" depends on FSL_SOC || ARCH_MXC || ARCH_LAYERSCAPE select SOC_BUS select CRYPTO_DEV_FSL_CAAM_COMMON help Enables the driver module for Freescale's Cryptographic Accelerator and Assurance Module (CAAM), also known as the SEC version 4 (SEC4). This module creates job ring devices, and configures h/w to operate as a DPAA component automatically, depending on h/w feature availability. To compile this driver as a module, choose M here: the module will be called caam. if CRYPTO_DEV_FSL_CAAM config CRYPTO_DEV_FSL_CAAM_DEBUG bool "Enable debug output in CAAM driver" help Selecting this will enable printing of various debug information in the CAAM driver. menuconfig CRYPTO_DEV_FSL_CAAM_JR tristate "Freescale CAAM Job Ring driver backend" select CRYPTO_ENGINE default y help Enables the driver module for Job Rings which are part of Freescale's Cryptographic Accelerator and Assurance Module (CAAM). This module adds a job ring operation interface. To compile this driver as a module, choose M here: the module will be called caam_jr. if CRYPTO_DEV_FSL_CAAM_JR config CRYPTO_DEV_FSL_CAAM_RINGSIZE int "Job Ring size" range 2 9 default "9" help Select size of Job Rings as a power of 2, within the range 2-9 (ring size 4-512). Examples: 2 => 4 3 => 8 4 => 16 5 => 32 6 => 64 7 => 128 8 => 256 9 => 512 config CRYPTO_DEV_FSL_CAAM_INTC bool "Job Ring interrupt coalescing" help Enable the Job Ring's interrupt coalescing feature. Note: the driver already provides adequate interrupt coalescing in software. config CRYPTO_DEV_FSL_CAAM_INTC_COUNT_THLD int "Job Ring interrupt coalescing count threshold" depends on CRYPTO_DEV_FSL_CAAM_INTC range 1 255 default 255 help Select number of descriptor completions to queue before raising an interrupt, in the range 1-255. Note that a selection of 1 functionally defeats the coalescing feature, and a selection equal or greater than the job ring size will force timeouts. config CRYPTO_DEV_FSL_CAAM_INTC_TIME_THLD int "Job Ring interrupt coalescing timer threshold" depends on CRYPTO_DEV_FSL_CAAM_INTC range 1 65535 default 2048 help Select number of bus clocks/64 to timeout in the case that one or more descriptor completions are queued without reaching the count threshold. Range is 1-65535. config CRYPTO_DEV_FSL_CAAM_CRYPTO_API bool "Register algorithm implementations with the Crypto API" default y select CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC select CRYPTO_AEAD select CRYPTO_AUTHENC select CRYPTO_SKCIPHER select CRYPTO_LIB_DES help Selecting this will offload crypto for users of the scatterlist crypto API (such as the linux native IPSec stack) to the SEC4 via job ring. config CRYPTO_DEV_FSL_CAAM_CRYPTO_API_QI bool "Queue Interface as Crypto API backend" depends on FSL_DPAA && NET default y select CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC select CRYPTO_AUTHENC select CRYPTO_SKCIPHER select CRYPTO_DES help Selecting this will use CAAM Queue Interface (QI) for sending & receiving crypto jobs to/from CAAM. This gives better performance than job ring interface when the number of cores are more than the number of job rings assigned to the kernel. The number of portals assigned to the kernel should also be more than the number of job rings. config CRYPTO_DEV_FSL_CAAM_AHASH_API bool "Register hash algorithm implementations with Crypto API" default y select CRYPTO_DEV_FSL_CAAM_AHASH_API_DESC select CRYPTO_HASH help Selecting this will offload ahash for users of the scatterlist crypto API to the SEC4 via job ring. config CRYPTO_DEV_FSL_CAAM_PKC_API bool "Register public key cryptography implementations with Crypto API" default y select CRYPTO_RSA help Selecting this will allow SEC Public key support for RSA. Supported cryptographic primitives: encryption, decryption, signature and verification. config CRYPTO_DEV_FSL_CAAM_RNG_API bool "Register caam device for hwrng API" default y select CRYPTO_RNG select HW_RANDOM help Selecting this will register the SEC4 hardware rng to the hw_random API for suppying the kernel entropy pool. endif # CRYPTO_DEV_FSL_CAAM_JR endif # CRYPTO_DEV_FSL_CAAM config CRYPTO_DEV_FSL_DPAA2_CAAM tristate "QorIQ DPAA2 CAAM (DPSECI) driver" depends on FSL_MC_DPIO depends on NETDEVICES select CRYPTO_DEV_FSL_CAAM_COMMON select CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC select CRYPTO_DEV_FSL_CAAM_AHASH_API_DESC select CRYPTO_SKCIPHER select CRYPTO_AUTHENC select CRYPTO_AEAD select CRYPTO_HASH select CRYPTO_DES help CAAM driver for QorIQ Data Path Acceleration Architecture 2. It handles DPSECI DPAA2 objects that sit on the Management Complex (MC) fsl-mc bus. To compile this as a module, choose M here: the module will be called dpaa2_caam.