| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 2 | /* |
| 3 | * SVM helper functions |
| 4 | * |
| 5 | * Copyright 2018 IBM Corporation |
| 6 | */ |
| 7 | |
| 8 | #ifndef _ASM_POWERPC_MEM_ENCRYPT_H |
| 9 | #define _ASM_POWERPC_MEM_ENCRYPT_H |
| 10 | |
| 11 | #include <asm/svm.h> |
| 12 | |
| 13 | static inline bool mem_encrypt_active(void) |
| 14 | { |
| 15 | return is_secure_guest(); |
| 16 | } |
| 17 | |
| 18 | static inline bool force_dma_unencrypted(struct device *dev) |
| 19 | { |
| 20 | return is_secure_guest(); |
| 21 | } |
| 22 | |
| 23 | int set_memory_encrypted(unsigned long addr, int numpages); |
| 24 | int set_memory_decrypted(unsigned long addr, int numpages); |
| 25 | |
| 26 | #endif /* _ASM_POWERPC_MEM_ENCRYPT_H */ |