blob: a02bd54b894801e1d1c1f20d271658a61c6c2f2d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
/* 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
#include <asm/reg.h>
static inline bool is_secure_guest(void)
{
return mfmsr() & MSR_S;
}
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;
}
#define get_dtl_cache_ctor() NULL
#endif /* CONFIG_PPC_SVM */
#endif /* _ASM_POWERPC_SVM_H */
|