File: cc_platform.c

package info (click to toggle)
linux 6.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,488,076 kB
  • sloc: ansic: 23,401,844; asm: 266,744; sh: 108,976; makefile: 49,705; python: 36,927; perl: 36,810; cpp: 6,044; yacc: 4,904; lex: 2,722; awk: 1,440; ruby: 25; sed: 5
file content (26 lines) | stat: -rw-r--r-- 496 bytes parent folder | download | duplicates (16)
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
// SPDX-License-Identifier: GPL-2.0-only
/*
 * Confidential Computing Platform Capability checks
 *
 * Copyright (C) 2021 Advanced Micro Devices, Inc.
 *
 * Author: Tom Lendacky <thomas.lendacky@amd.com>
 */

#include <linux/export.h>
#include <linux/cc_platform.h>

#include <asm/machdep.h>
#include <asm/svm.h>

bool cc_platform_has(enum cc_attr attr)
{
	switch (attr) {
	case CC_ATTR_MEM_ENCRYPT:
		return is_secure_guest();

	default:
		return false;
	}
}
EXPORT_SYMBOL_GPL(cc_platform_has);