Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0
2config CRYPTO_DEV_FSL_CAAM_COMMON
3 tristate
4
5config CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC
6 tristate
7
8config CRYPTO_DEV_FSL_CAAM_AHASH_API_DESC
9 tristate
10
11config CRYPTO_DEV_FSL_CAAM
12 tristate "Freescale CAAM-Multicore platform driver backend"
13 depends on FSL_SOC || ARCH_MXC || ARCH_LAYERSCAPE || COMPILE_TEST
14 select SOC_BUS
15 select CRYPTO_DEV_FSL_CAAM_COMMON
16 imply FSL_MC_BUS
17 help
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.
23
24 To compile this driver as a module, choose M here: the module
25 will be called caam.
26
27if CRYPTO_DEV_FSL_CAAM
28
29config CRYPTO_DEV_FSL_CAAM_DEBUG
30 bool "Enable debug output in CAAM driver"
31 help
32 Selecting this will enable printing of various debug
33 information in the CAAM driver.
34
35menuconfig CRYPTO_DEV_FSL_CAAM_JR
36 tristate "Freescale CAAM Job Ring driver backend"
37 select CRYPTO_ENGINE
38 default y
39 help
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
43 interface.
44
45 To compile this driver as a module, choose M here: the module
46 will be called caam_jr.
47
48if CRYPTO_DEV_FSL_CAAM_JR
49
50config CRYPTO_DEV_FSL_CAAM_RINGSIZE
51 int "Job Ring size"
52 range 2 9
53 default "9"
54 help
55 Select size of Job Rings as a power of 2, within the
56 range 2-9 (ring size 4-512).
57 Examples:
58 2 => 4
59 3 => 8
60 4 => 16
61 5 => 32
62 6 => 64
63 7 => 128
64 8 => 256
65 9 => 512
66
67config CRYPTO_DEV_FSL_CAAM_INTC
68 bool "Job Ring interrupt coalescing"
69 help
70 Enable the Job Ring's interrupt coalescing feature.
71
72 Note: the driver already provides adequate
73 interrupt coalescing in software.
74
75config CRYPTO_DEV_FSL_CAAM_INTC_COUNT_THLD
76 int "Job Ring interrupt coalescing count threshold"
77 depends on CRYPTO_DEV_FSL_CAAM_INTC
78 range 1 255
79 default 255
80 help
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.
85
86config CRYPTO_DEV_FSL_CAAM_INTC_TIME_THLD
87 int "Job Ring interrupt coalescing timer threshold"
88 depends on CRYPTO_DEV_FSL_CAAM_INTC
89 range 1 65535
90 default 2048
91 help
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.
95
96config CRYPTO_DEV_FSL_CAAM_CRYPTO_API
97 bool "Register algorithm implementations with the Crypto API"
98 default y
99 select CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC
100 select CRYPTO_AEAD
101 select CRYPTO_AUTHENC
102 select CRYPTO_SKCIPHER
103 select CRYPTO_LIB_DES
104 select CRYPTO_XTS
105 help
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.
109
110config CRYPTO_DEV_FSL_CAAM_CRYPTO_API_QI
111 bool "Queue Interface as Crypto API backend"
112 depends on FSL_DPAA && NET
113 default y
114 select CRYPTO_DEV_FSL_CAAM_CRYPTO_API_DESC
115 select CRYPTO_AUTHENC
116 select CRYPTO_SKCIPHER
117 select CRYPTO_DES
118 select CRYPTO_XTS
119 help
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
125 job rings.
126
127config CRYPTO_DEV_FSL_CAAM_AHASH_API
128 bool "Register hash algorithm implementations with Crypto API"
129 default y
130 select CRYPTO_DEV_FSL_CAAM_AHASH_API_DESC
131 select CRYPTO_HASH
132 help
133 Selecting this will offload ahash for users of the
134 scatterlist crypto API to the SEC4 via job ring.
135
136config CRYPTO_DEV_FSL_CAAM_PKC_API
137 bool "Register public key cryptography implementations with Crypto API"
138 default y
139 select CRYPTO_RSA
140 help
141 Selecting this will allow SEC Public key support for RSA.
142 Supported cryptographic primitives: encryption, decryption,
143 signature and verification.
144
145config CRYPTO_DEV_FSL_CAAM_RNG_API
146 bool "Register caam device for hwrng API"
147 default y
148 select CRYPTO_RNG
149 select HW_RANDOM
150 help
151 Selecting this will register the SEC4 hardware rng to
152 the hw_random API for supplying the kernel entropy pool.
153
154config CRYPTO_DEV_FSL_CAAM_PRNG_API
155 bool "Register Pseudo random number generation implementation with Crypto API"
156 default y
157 select CRYPTO_RNG
158 help
159 Selecting this will register the SEC hardware prng to
160 the Crypto API.
161
162config CRYPTO_DEV_FSL_CAAM_BLOB_GEN
163 bool
164
165config CRYPTO_DEV_FSL_CAAM_RNG_TEST
166 bool "Test caam rng"
167 select CRYPTO_DEV_FSL_CAAM_RNG_API
168 help
169 Selecting this will enable a self-test to run for the
170 caam RNG.
171 This test is several minutes long and executes
172 just before the RNG is registered with the hw_random API.
173
174endif # CRYPTO_DEV_FSL_CAAM_JR
175
176endif # CRYPTO_DEV_FSL_CAAM
177
178config 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
187 select CRYPTO_AEAD
188 select CRYPTO_HASH
189 select CRYPTO_DES
190 select CRYPTO_XTS
191 help
192 CAAM driver for QorIQ Data Path Acceleration Architecture 2.
193 It handles DPSECI DPAA2 objects that sit on the Management Complex
194 (MC) fsl-mc bus.
195
196 To compile this as a module, choose M here: the module
197 will be called dpaa2_caam.