linux-kernel - Re: [PATCH v8 0/6] KEYS: trusted: Introduce support for NXP CAAM-based trusted keys

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Date:   Thu, 5 May 2022 14:58:23 +0000
From:   John Ernberg <john.ernberg@...ia.se>
To:     "a.fatoum@...gutronix.de" <a.fatoum@...gutronix.de>
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        John Ernberg <john.ernberg@...ia.se>
Subject: Re: [PATCH v8 0/6] KEYS: trusted: Introduce support for NXP
 CAAM-based trusted keys

Gave this a go on iMX8QXP with Linux 5.17.5 and I can't quite get it working.

I get -ENODEV from add_key() via keyctl. When I traced it in dmesg I couldn't
get an as clear picture as I would like but CAAM (and thus possibly JRs?)
initialzing after trusted_key.

dmesg snips:
[    1.296772] trusted_key: Job Ring Device allocation for transform failed
...
[    1.799768] caam 31400000.crypto: device ID = 0x0a16040000000100 (Era 9)
[    1.807142] caam 31400000.crypto: job rings = 2, qi = 0
[    1.822667] caam algorithms registered in /proc/crypto
[    1.830541] caam 31400000.crypto: caam pkc algorithms registered in /proc/crypto
[    1.841807] caam 31400000.crypto: registering rng-caam

I didn't quite have the time to get a better trace than that.

Best regards // John Ernberg