arm64: mm: Add top-level dispatcher for internal mem_encrypt API

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Implementing the internal mem_encrypt API for arm64 depends entirely on
the Confidential Computing environment in which the kernel is running.

Introduce a simple dispatcher so that backend hooks can be registered
depending upon the environment in which the kernel finds itself.

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240830130150.8568-4-will@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>

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Will Deacon 2024-08-30 14:01:46 +01:00

parent a06c3fad49

commit e7bafbf717

5 changed files with 68 additions and 1 deletions

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1

arch/arm64/Kconfig

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15

arch/arm64/include/asm/mem_encrypt.h

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arch/arm64/include/asm/set_memory.h

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arch/arm64/mm/Makefile

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arch/arm64/mm/mem_encrypt.c

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