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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* tools/testing/selftests/kvm/include/numaif.h
*
* Copyright (C) 2020, Google LLC.
*
* This work is licensed under the terms of the GNU GPL, version 2.
*
* Header file that provides access to NUMA API functions not explicitly
* exported to user space.
*/
#ifndef SELFTEST_KVM_NUMAIF_H
#define SELFTEST_KVM_NUMAIF_H
#include <linux/mempolicy.h>
#include "kvm_syscalls.h"
KVM_SYSCALL_DEFINE(get_mempolicy, 5, int *, policy, const unsigned long *, nmask,
unsigned long, maxnode, void *, addr, int, flags);
KVM_SYSCALL_DEFINE(set_mempolicy, 3, int, mode, const unsigned long *, nmask,
unsigned long, maxnode);
KVM_SYSCALL_DEFINE(set_mempolicy_home_node, 4, unsigned long, start,
unsigned long, len, unsigned long, home_node,
unsigned long, flags);
KVM_SYSCALL_DEFINE(migrate_pages, 4, int, pid, unsigned long, maxnode,
const unsigned long *, frommask, const unsigned long *, tomask);
KVM_SYSCALL_DEFINE(move_pages, 6, int, pid, unsigned long, count, void *, pages,
const int *, nodes, int *, status, int, flags);
KVM_SYSCALL_DEFINE(mbind, 6, void *, addr, unsigned long, size, int, mode,
const unsigned long *, nodemask, unsigned long, maxnode,
unsigned int, flags);
/* Policies */
#define MPOL_DEFAULT 0
#define MPOL_PREFERRED 1
#define MPOL_BIND 2
#define MPOL_INTERLEAVE 3
#define MPOL_MAX MPOL_INTERLEAVE
/* Flags for get_mem_policy */
#define MPOL_F_NODE (1<<0) /* return next il node or node of address */
/* Warning: MPOL_F_NODE is unsupported and
* subject to change. Don't use.
*/
#define MPOL_F_ADDR (1<<1) /* look up vma using address */
#define MPOL_F_MEMS_ALLOWED (1<<2) /* query nodes allowed in cpuset */
/* Flags for mbind */
#define MPOL_MF_STRICT (1<<0) /* Verify existing pages in the mapping */
#define MPOL_MF_MOVE (1<<1) /* Move pages owned by this process to conform to mapping */
#define MPOL_MF_MOVE_ALL (1<<2) /* Move every page to conform to mapping */
#endif /* SELFTEST_KVM_NUMAIF_H */
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