https://github.com/torvalds/linux
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Tip revision: 0bbac3facb5d6cc0171c45c9873a2dc96bea9680 authored by Linus Torvalds on 14 April 2024, 20:38:39 UTC
Linux 6.9-rc4
Tip revision: 0bbac3f
hypervisor.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_HYPEVISOR_H
#define __LINUX_HYPEVISOR_H

/*
 *	Generic Hypervisor support
 *		Juergen Gross <jgross@suse.com>
 */

#ifdef CONFIG_X86

#include <asm/jailhouse_para.h>
#include <asm/x86_init.h>

static inline void hypervisor_pin_vcpu(int cpu)
{
	x86_platform.hyper.pin_vcpu(cpu);
}

#else /* !CONFIG_X86 */

#include <linux/of.h>

static inline void hypervisor_pin_vcpu(int cpu)
{
}

static inline bool jailhouse_paravirt(void)
{
	return of_find_compatible_node(NULL, NULL, "jailhouse,cell");
}

#endif /* !CONFIG_X86 */

static inline bool hypervisor_isolated_pci_functions(void)
{
	if (IS_ENABLED(CONFIG_S390))
		return true;

	return jailhouse_paravirt();
}

#endif /* __LINUX_HYPEVISOR_H */
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