diff options
Diffstat (limited to 'arch/arm64/include/asm/mem_encrypt.h')
| -rw-r--r-- | arch/arm64/include/asm/mem_encrypt.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/mem_encrypt.h b/arch/arm64/include/asm/mem_encrypt.h new file mode 100644 index 000000000000..f8f78f622dd2 --- /dev/null +++ b/arch/arm64/include/asm/mem_encrypt.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#ifndef __ASM_MEM_ENCRYPT_H +#define __ASM_MEM_ENCRYPT_H + +#include <asm/rsi.h> + +struct arm64_mem_crypt_ops { + int (*encrypt)(unsigned long addr, int numpages); + int (*decrypt)(unsigned long addr, int numpages); +}; + +int arm64_mem_crypt_ops_register(const struct arm64_mem_crypt_ops *ops); + +int set_memory_encrypted(unsigned long addr, int numpages); +int set_memory_decrypted(unsigned long addr, int numpages); + +int realm_register_memory_enc_ops(void); + +static inline bool force_dma_unencrypted(struct device *dev) +{ + return is_realm_world(); +} + +#endif /* __ASM_MEM_ENCRYPT_H */ |