LXR linux/drivers/crypto/caam/Kconfig

   1config CRYPTO_DEV_FSL_CAAM
   2        tristate "Freescale CAAM-Multicore driver backend"
   3        depends on FSL_SOC || ARCH_MXC
   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 && 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 && 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_RNG_API
 103        tristate "Register caam device for hwrng API"
 104        depends on CRYPTO_DEV_FSL_CAAM && CRYPTO_DEV_FSL_CAAM_JR
 105        default y
 106        select CRYPTO_RNG
 107        select HW_RANDOM
 108        help
 109          Selecting this will register the SEC4 hardware rng to
 110          the hw_random API for suppying the kernel entropy pool.
 111
 112          To compile this as a module, choose M here: the module
 113          will be called caamrng.
 114
 115config CRYPTO_DEV_FSL_CAAM_IMX
 116        def_bool SOC_IMX6 || SOC_IMX7D
 117        depends on CRYPTO_DEV_FSL_CAAM
 118
 119config CRYPTO_DEV_FSL_CAAM_LE
 120        def_bool CRYPTO_DEV_FSL_CAAM_IMX || SOC_LS1021A
 121        depends on CRYPTO_DEV_FSL_CAAM
 122
 123config CRYPTO_DEV_FSL_CAAM_DEBUG
 124        bool "Enable debug output in CAAM driver"
 125        depends on CRYPTO_DEV_FSL_CAAM
 126        help
 127          Selecting this will enable printing of various debug
 128          information in the CAAM driver.
 129