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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* SVM helper functions
*
* Copyright 2018 Anshuman Khandual, IBM Corporation.
*/
#ifndef _ASM_POWERPC_SVM_H
#define _ASM_POWERPC_SVM_H
#ifdef CONFIG_PPC_SVM
static inline bool is_secure_guest(void)
{
return mfmsr() & MSR_S;
}
void __init svm_swiotlb_init(void);
void dtl_cache_ctor(void *addr);
#define get_dtl_cache_ctor() (is_secure_guest() ? dtl_cache_ctor : NULL)
#else /* CONFIG_PPC_SVM */
static inline bool is_secure_guest(void)
{
return false;
}
static inline void svm_swiotlb_init(void) {}
#define get_dtl_cache_ctor() NULL
#endif /* CONFIG_PPC_SVM */
#endif /* _ASM_POWERPC_SVM_H */