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 #include <linux/types.h> 13 14 struct device; 15 16 static inline bool force_dma_unencrypted(struct device *dev) 17 { 18 return is_secure_guest(); 19 } 20 21 int set_memory_encrypted(unsigned long addr, int numpages); 22 int set_memory_decrypted(unsigned long addr, int numpages); 23 24 #endif /* _ASM_POWERPC_MEM_ENCRYPT_H */ 25