hypervisor.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __LINUX_HYPEVISOR_H
 3#define __LINUX_HYPEVISOR_H
 4
 5/*
 6 *	Generic Hypervisor support
 7 *		Juergen Gross <jgross@suse.com>
 8 */
 9
10#ifdef CONFIG_X86
11
12#include <asm/jailhouse_para.h>
13#include <asm/x86_init.h>
14
15static inline void hypervisor_pin_vcpu(int cpu)
16{
17	x86_platform.hyper.pin_vcpu(cpu);
18}
19
20#else /* !CONFIG_X86 */
21
22#include <linux/of.h>
23
24static inline void hypervisor_pin_vcpu(int cpu)
25{
26}
27
28static inline bool jailhouse_paravirt(void)
29{
30	return of_find_compatible_node(NULL, NULL, "jailhouse,cell");
31}
32
33#endif /* !CONFIG_X86 */
34
35static inline bool hypervisor_isolated_pci_functions(void)
36{
37	if (IS_ENABLED(CONFIG_S390))
38		return true;
39
40	if (IS_ENABLED(CONFIG_LOONGARCH))
41		return true;
42
43	return jailhouse_paravirt();
44}
45
46#endif /* __LINUX_HYPEVISOR_H */