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1config CRYPTO_DEV_FSL_CAAM
2 tristate "Freescale CAAM-Multicore driver backend"
3 depends on FSL_SOC
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 adds a job ring operation interface, 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_RINGSIZE
15 int "Job Ring size"
16 depends on CRYPTO_DEV_FSL_CAAM
17 range 2 9
18 default "9"
19 help
20 Select size of Job Rings as a power of 2, within the
21 range 2-9 (ring size 4-512).
22 Examples:
23 2 => 4
24 3 => 8
25 4 => 16
26 5 => 32
27 6 => 64
28 7 => 128
29 8 => 256
30 9 => 512
31
32config CRYPTO_DEV_FSL_CAAM_INTC
33 bool "Job Ring interrupt coalescing"
34 depends on CRYPTO_DEV_FSL_CAAM
35 default y
36 help
37 Enable the Job Ring's interrupt coalescing feature.
38
39config CRYPTO_DEV_FSL_CAAM_INTC_COUNT_THLD
40 int "Job Ring interrupt coalescing count threshold"
41 depends on CRYPTO_DEV_FSL_CAAM_INTC
42 range 1 255
43 default 255
44 help
45 Select number of descriptor completions to queue before
46 raising an interrupt, in the range 1-255. Note that a selection
47 of 1 functionally defeats the coalescing feature, and a selection
48 equal or greater than the job ring size will force timeouts.
49
50config CRYPTO_DEV_FSL_CAAM_INTC_TIME_THLD
51 int "Job Ring interrupt coalescing timer threshold"
52 depends on CRYPTO_DEV_FSL_CAAM_INTC
53 range 1 65535
54 default 2048
55 help
56 Select number of bus clocks/64 to timeout in the case that one or
57 more descriptor completions are queued without reaching the count
58 threshold. Range is 1-65535.
59
60config CRYPTO_DEV_FSL_CAAM_CRYPTO_API
61 tristate "Register algorithm implementations with the Crypto API"
62 depends on CRYPTO_DEV_FSL_CAAM
63 default y
64 select CRYPTO_ALGAPI
65 select CRYPTO_AUTHENC
66 help
67 Selecting this will offload crypto for users of the
68 scatterlist crypto API (such as the linux native IPSec
69 stack) to the SEC4 via job ring.
70
71 To compile this as a module, choose M here: the module
72 will be called caamalg.