1config CRYPTO_DEV_FSL_CAAM 2 tristate "Freescale CAAM-Multicore driver backend" 3 depends on FSL_SOC || ARCH_MXC || ARCH_LAYERSCAPE 4 help 5 Enables the driver module for Freescale's Cryptographic Accelerator 6 and Assurance Module (CAAM), also known as the SEC version 4 (SEC4). 7 This module creates job ring devices, and configures h/w 8 to operate as a DPAA component automatically, depending 9 on h/w feature availability. 10 11 To compile this driver as a module, choose M here: the module 12 will be called caam. 13 14config CRYPTO_DEV_FSL_CAAM_JR 15 tristate "Freescale CAAM Job Ring driver backend" 16 depends on CRYPTO_DEV_FSL_CAAM 17 default y 18 help 19 Enables the driver module for Job Rings which are part of 20 Freescale's Cryptographic Accelerator 21 and Assurance Module (CAAM). This module adds a job ring operation 22 interface. 23 24 To compile this driver as a module, choose M here: the module 25 will be called caam_jr. 26 27config CRYPTO_DEV_FSL_CAAM_RINGSIZE 28 int "Job Ring size" 29 depends on CRYPTO_DEV_FSL_CAAM_JR 30 range 2 9 31 default "9" 32 help 33 Select size of Job Rings as a power of 2, within the 34 range 2-9 (ring size 4-512). 35 Examples: 36 2 => 4 37 3 => 8 38 4 => 16 39 5 => 32 40 6 => 64 41 7 => 128 42 8 => 256 43 9 => 512 44 45config CRYPTO_DEV_FSL_CAAM_INTC 46 bool "Job Ring interrupt coalescing" 47 depends on CRYPTO_DEV_FSL_CAAM_JR 48 help 49 Enable the Job Ring's interrupt coalescing feature. 50 51 Note: the driver already provides adequate 52 interrupt coalescing in software. 53 54config CRYPTO_DEV_FSL_CAAM_INTC_COUNT_THLD 55 int "Job Ring interrupt coalescing count threshold" 56 depends on CRYPTO_DEV_FSL_CAAM_INTC 57 range 1 255 58 default 255 59 help 60 Select number of descriptor completions to queue before 61 raising an interrupt, in the range 1-255. Note that a selection 62 of 1 functionally defeats the coalescing feature, and a selection 63 equal or greater than the job ring size will force timeouts. 64 65config CRYPTO_DEV_FSL_CAAM_INTC_TIME_THLD 66 int "Job Ring interrupt coalescing timer threshold" 67 depends on CRYPTO_DEV_FSL_CAAM_INTC 68 range 1 65535 69 default 2048 70 help 71 Select number of bus clocks/64 to timeout in the case that one or 72 more descriptor completions are queued without reaching the count 73 threshold. Range is 1-65535. 74 75config CRYPTO_DEV_FSL_CAAM_CRYPTO_API 76 tristate "Register algorithm implementations with the Crypto API" 77 depends on CRYPTO_DEV_FSL_CAAM_JR 78 default y 79 select CRYPTO_AEAD 80 select CRYPTO_AUTHENC 81 select CRYPTO_BLKCIPHER 82 help 83 Selecting this will offload crypto for users of the 84 scatterlist crypto API (such as the linux native IPSec 85 stack) to the SEC4 via job ring. 86 87 To compile this as a module, choose M here: the module 88 will be called caamalg. 89 90config CRYPTO_DEV_FSL_CAAM_AHASH_API 91 tristate "Register hash algorithm implementations with Crypto API" 92 depends on CRYPTO_DEV_FSL_CAAM_JR 93 default y 94 select CRYPTO_HASH 95 help 96 Selecting this will offload ahash for users of the 97 scatterlist crypto API to the SEC4 via job ring. 98 99 To compile this as a module, choose M here: the module 100 will be called caamhash. 101 102config CRYPTO_DEV_FSL_CAAM_PKC_API 103 tristate "Register public key cryptography implementations with Crypto API" 104 depends on CRYPTO_DEV_FSL_CAAM_JR 105 default y 106 select CRYPTO_RSA 107 help 108 Selecting this will allow SEC Public key support for RSA. 109 Supported cryptographic primitives: encryption, decryption, 110 signature and verification. 111 To compile this as a module, choose M here: the module 112 will be called caam_pkc. 113 114config CRYPTO_DEV_FSL_CAAM_RNG_API 115 tristate "Register caam device for hwrng API" 116 depends on CRYPTO_DEV_FSL_CAAM_JR 117 default y 118 select CRYPTO_RNG 119 select HW_RANDOM 120 help 121 Selecting this will register the SEC4 hardware rng to 122 the hw_random API for suppying the kernel entropy pool. 123 124 To compile this as a module, choose M here: the module 125 will be called caamrng. 126 127config CRYPTO_DEV_FSL_CAAM_IMX 128 def_bool SOC_IMX6 || SOC_IMX7D 129 depends on CRYPTO_DEV_FSL_CAAM 130 131config CRYPTO_DEV_FSL_CAAM_DEBUG 132 bool "Enable debug output in CAAM driver" 133 depends on CRYPTO_DEV_FSL_CAAM 134 help 135 Selecting this will enable printing of various debug 136 information in the CAAM driver. 137 138config CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC 139 def_tristate CRYPTO_DEV_FSL_CAAM_CRYPTO_API 140