firmware: smccc: Add SMCCC TRNG function call IDs

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The ARM architected TRNG firmware interface, described in ARM spec
DEN0098, define an ARM SMCCC based interface to a true random number
generator, provided by firmware.

Add the definitions of the SMCCC functions as defined by the spec.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20210106103453.152275-2-andre.przywara@arm.com
Signed-off-by: Will Deacon <will@kernel.org>

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Ard Biesheuvel 2021-01-06 10:34:49 +00:00 • committed by Will Deacon

parent 19c329f680

commit 67c6bb56b6

1 changed files with 31 additions and 0 deletions

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include/linux/arm-smccc.h

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