1 # SPDX-License-Identifier: GPL-2.0
2 config CRYPTO_DEV_FSL_CAAM_COMMON
5 config CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC
8 config CRYPTO_DEV_FSL_CAAM_AHASH_API_DESC
11 config CRYPTO_DEV_FSL_CAAM
12 tristate "Freescale CAAM-Multicore platform driver backend"
13 depends on FSL_SOC || ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST
15 select CRYPTO_DEV_FSL_CAAM_COMMON
18 Enables the driver module for Freescale's Cryptographic Accelerator
19 and Assurance Module (CAAM), also known as the SEC version 4 (SEC4).
20 This module creates job ring devices, and configures h/w
21 to operate as a DPAA component automatically, depending
22 on h/w feature availability.
24 To compile this driver as a module, choose M here: the module
27 if CRYPTO_DEV_FSL_CAAM
29 config CRYPTO_DEV_FSL_CAAM_DEBUG
30 bool "Enable debug output in CAAM driver"
32 Selecting this will enable printing of various debug
33 information in the CAAM driver.
35 menuconfig CRYPTO_DEV_FSL_CAAM_JR
36 tristate "Freescale CAAM Job Ring driver backend"
40 Enables the driver module for Job Rings which are part of
41 Freescale's Cryptographic Accelerator
42 and Assurance Module (CAAM). This module adds a job ring operation
45 To compile this driver as a module, choose M here: the module
46 will be called caam_jr.
48 if CRYPTO_DEV_FSL_CAAM_JR
50 config CRYPTO_DEV_FSL_CAAM_RINGSIZE
55 Select size of Job Rings as a power of 2, within the
56 range 2-9 (ring size 4-512).
67 config CRYPTO_DEV_FSL_CAAM_INTC
68 bool "Job Ring interrupt coalescing"
70 Enable the Job Ring's interrupt coalescing feature.
72 Note: the driver already provides adequate
73 interrupt coalescing in software.
75 config CRYPTO_DEV_FSL_CAAM_INTC_COUNT_THLD
76 int "Job Ring interrupt coalescing count threshold"
77 depends on CRYPTO_DEV_FSL_CAAM_INTC
81 Select number of descriptor completions to queue before
82 raising an interrupt, in the range 1-255. Note that a selection
83 of 1 functionally defeats the coalescing feature, and a selection
84 equal or greater than the job ring size will force timeouts.
86 config CRYPTO_DEV_FSL_CAAM_INTC_TIME_THLD
87 int "Job Ring interrupt coalescing timer threshold"
88 depends on CRYPTO_DEV_FSL_CAAM_INTC
92 Select number of bus clocks/64 to timeout in the case that one or
93 more descriptor completions are queued without reaching the count
94 threshold. Range is 1-65535.
96 config CRYPTO_DEV_FSL_CAAM_CRYPTO_API
97 bool "Register algorithm implementations with the Crypto API"
99 select CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC
101 select CRYPTO_AUTHENC
102 select CRYPTO_SKCIPHER
103 select CRYPTO_LIB_DES
106 Selecting this will offload crypto for users of the
107 scatterlist crypto API (such as the linux native IPSec
108 stack) to the SEC4 via job ring.
110 config CRYPTO_DEV_FSL_CAAM_CRYPTO_API_QI
111 bool "Queue Interface as Crypto API backend"
112 depends on FSL_DPAA && NET
114 select CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC
115 select CRYPTO_AUTHENC
116 select CRYPTO_SKCIPHER
120 Selecting this will use CAAM Queue Interface (QI) for sending
121 & receiving crypto jobs to/from CAAM. This gives better performance
122 than job ring interface when the number of cores are more than the
123 number of job rings assigned to the kernel. The number of portals
124 assigned to the kernel should also be more than the number of
127 config CRYPTO_DEV_FSL_CAAM_AHASH_API
128 bool "Register hash algorithm implementations with Crypto API"
130 select CRYPTO_DEV_FSL_CAAM_AHASH_API_DESC
133 Selecting this will offload ahash for users of the
134 scatterlist crypto API to the SEC4 via job ring.
136 config CRYPTO_DEV_FSL_CAAM_PKC_API
137 bool "Register public key cryptography implementations with Crypto API"
141 Selecting this will allow SEC Public key support for RSA.
142 Supported cryptographic primitives: encryption, decryption,
143 signature and verification.
145 config CRYPTO_DEV_FSL_CAAM_RNG_API
146 bool "Register caam device for hwrng API"
151 Selecting this will register the SEC4 hardware rng to
152 the hw_random API for supplying the kernel entropy pool.
154 config CRYPTO_DEV_FSL_CAAM_PRNG_API
155 bool "Register Pseudo random number generation implementation with Crypto API"
159 Selecting this will register the SEC hardware prng to
162 config CRYPTO_DEV_FSL_CAAM_BLOB_GEN
165 config CRYPTO_DEV_FSL_CAAM_RNG_TEST
167 select CRYPTO_DEV_FSL_CAAM_RNG_API
169 Selecting this will enable a self-test to run for the
171 This test is several minutes long and executes
172 just before the RNG is registered with the hw_random API.
174 endif # CRYPTO_DEV_FSL_CAAM_JR
176 endif # CRYPTO_DEV_FSL_CAAM
178 config CRYPTO_DEV_FSL_DPAA2_CAAM
179 tristate "QorIQ DPAA2 CAAM (DPSECI) driver"
180 depends on FSL_MC_DPIO
181 depends on NETDEVICES
182 select CRYPTO_DEV_FSL_CAAM_COMMON
183 select CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC
184 select CRYPTO_DEV_FSL_CAAM_AHASH_API_DESC
185 select CRYPTO_SKCIPHER
186 select CRYPTO_AUTHENC
192 CAAM driver for QorIQ Data Path Acceleration Architecture 2.
193 It handles DPSECI DPAA2 objects that sit on the Management Complex
196 To compile this as a module, choose M here: the module
197 will be called dpaa2_caam.