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Differential D45591

caam: Add caam_trng support in caam driver
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Authored by mszczepaniak2_sii.pl on Jun 14 2024, 8:36 AM.

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Subscribers

dgorecki_sii.pl

Details

Reviewers

andrew
manu

Group Reviewers

Summary

The caam_trng driver enables new hardware random source in the system
using CAAM hardware as the entropy source.
A dedicated character device is added that allows to use the random
numbers direclty from the CAAM device.

Authored-by: Maciej Szczepaniak <mszczepaniak2@sii.pl>
Co-Authored-by: Pawel Kochanowski <pkochanowski@sii.pl>
Co-Authored-by: Dawid Górecki <dgorecki@sii.pl>
Obtained from: Sii Poland
Sponsored by: Alstom Group

Test Plan

Change tested on device based on LS1046A.

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Repository

rG FreeBSD src repository

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Event Timeline

mszczepaniak2_sii.pl created this revision.Jun 14 2024, 8:36 AM

Herald added a reviewer: andrew. · View Herald TranscriptJun 14 2024, 8:36 AM

Herald added a reviewer: andrew. · View Herald Transcript

Herald added a reviewer: manu. · View Herald Transcript

Herald added subscribers: emaste, imp. · View Herald Transcript

mszczepaniak2_sii.pl requested review of this revision.Jun 14 2024, 8:36 AM

Herald added a subscriber: obrien. · View Herald TranscriptJun 14 2024, 8:36 AM

dgorecki_sii.pl added a child revision: D45592: caam: Add caam_crypto support in caam driver.Jun 14 2024, 8:39 AM

mszczepaniak2_sii.pl added a parent revision: D45590: caam: Add caam_test support in caam driver.Jun 14 2024, 8:46 AM

dgorecki_sii.pl added a subscriber: dgorecki_sii.pl.Jun 25 2024, 2:43 PM

Dependent code has changed due to review comments being addressed in https://reviews.freebsd.org/D45589, adjusting accordingly.

Revision Contents
Changeset List

Path

Size

sys/

arm64/

qoriq/

caam/

18 lines

40 lines

702 lines

conf/

1 line

dev/

random/

random_harvestq.c

1 line

sys/

1 line

Diff 140220

sys/arm64/qoriq/caam/caam.c

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sys/arm64/qoriq/caam/caam_trng.h

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sys/arm64/qoriq/caam/caam_trng.c

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sys/conf/files.arm64

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sys/dev/random/random_harvestq.c

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sys/sys/random.h

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