File: svm.h

package info (click to toggle)
linux 6.1.139-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,495,880 kB
  • sloc: ansic: 23,469,452; asm: 266,614; sh: 110,522; makefile: 49,887; python: 36,990; perl: 36,834; cpp: 6,056; yacc: 4,908; lex: 2,725; awk: 1,440; ruby: 25; sed: 5
file content (33 lines) | stat: -rw-r--r-- 591 bytes parent folder | download | duplicates (15)
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 */