i.MX6 CAAM performace and support state

[danielalbers]

Hello,

are there any performance charts of the CAAM unit and it latency for different use cases?

Is there a documentation available, how to get the best out of the CAAM?

The system is at 3.14.28-rt25-1.0.0_ga.

Best regards

[danielalbers]

Any new information?

How can I use the CAAM with openssl?

[aurelienbouin]

Any update ? With current openssl yocto building we still do not knwo if we use the caam iMX6 module ?!

[danielalbers]

Hello,

there are entries inside the log for the caam module.

[	2.426399] caam 2100000.caam: Instantiated RNG4 SH0
[	2.668152] caam 2100000.caam: Instantiated RNG4 SH1
[	2.671831] caam 2100000.caam: device ID = 0x0a160100 (Era 4)
[	2.676288] caam 2100000.caam: job rings = 2, qi = 0
[	2.757419] caam algorithms registered in /proc/crypto
[	2.765048] caam_jr 2101000.jr0: registering rng-caam
[	2.769609] platform caam_sm: blkkey_ex: 4 keystore units available
[	2.774857] platform caam_sm: 64-bit clear key:
[	2.778101] platform caam_sm: [0000] 00 01 02 03 04 0f 06 07
[	2.782465] platform caam_sm: 64-bit black key:

... cut ...

[	3.395522] platform caam_sm: restored 256-bit black key:
[	3.399630] platform caam_sm: [0000] fb e7 99 66 54 11 9b 18
[	3.403996] platform caam_sm: [0008] d5 52 1a 5f 33 5d 0d 0a
[	3.408364] platform caam_sm: [0016] f6 20 b1 76 25 00 95 c0
[	3.412731] platform caam_sm: [0024] 31 3e 43 e8 64 1f d0 6c
[	3.417446] snvs-secvio 20cc000.caam-snvs: violation handlers armed - non-secure state

Best regards

Daniel

[igorpadykov]

Hi danielalbers

for caam performance please create service request and please

refer to attached Linux Manual Chapter 52 CAAM (Cryptographic Acceleration and Assurance Module)

Best regards

igor

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[danielalbers]

Hey igorpadykov,

is this page still the correct way to create service request?