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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0-only */
2#ifndef SELFTEST_KVM_UCALL_H
3#define SELFTEST_KVM_UCALL_H
4
5#include "kvm_util.h"
6
7#define UCALL_EXIT_REASON KVM_EXIT_MMIO
8
9/*
10 * ucall_exit_mmio_addr holds per-VM values (global data is duplicated by each
11 * VM), it must not be accessed from host code.
12 */
13extern vm_vaddr_t *ucall_exit_mmio_addr;
14
15static inline void ucall_arch_do_ucall(vm_vaddr_t uc)
16{
17 WRITE_ONCE(*ucall_exit_mmio_addr, uc);
18}
19
20#endif