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e7bafbf717
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>
16 lines
464 B
C
16 lines
464 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef __ASM_MEM_ENCRYPT_H
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#define __ASM_MEM_ENCRYPT_H
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struct arm64_mem_crypt_ops {
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int (*encrypt)(unsigned long addr, int numpages);
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int (*decrypt)(unsigned long addr, int numpages);
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};
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int arm64_mem_crypt_ops_register(const struct arm64_mem_crypt_ops *ops);
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int set_memory_encrypted(unsigned long addr, int numpages);
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int set_memory_decrypted(unsigned long addr, int numpages);
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#endif /* __ASM_MEM_ENCRYPT_H */
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