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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Userspace interface for /dev/acrn_hsm - ACRN Hypervisor Service Module
*
* This file can be used by applications that need to communicate with the HSM
* via the ioctl interface.
*
* Copyright (C) 2021 Intel Corporation. All rights reserved.
*/
#ifndef _UAPI_ACRN_H
#define _UAPI_ACRN_H
#include <linux/types.h>
#include <linux/uuid.h>
/**
* struct acrn_vm_creation - Info to create a User VM
* @vmid: User VM ID returned from the hypervisor
* @reserved0: Reserved and must be 0
* @vcpu_num: Number of vCPU in the VM. Return from hypervisor.
* @reserved1: Reserved and must be 0
* @uuid: UUID of the VM. Pass to hypervisor directly.
* @vm_flag: Flag of the VM creating. Pass to hypervisor directly.
* @ioreq_buf: Service VM GPA of I/O request buffer. Pass to
* hypervisor directly.
* @cpu_affinity: CPU affinity of the VM. Pass to hypervisor directly.
* It's a bitmap which indicates CPUs used by the VM.
*/
struct acrn_vm_creation {
__u16 vmid;
__u16 reserved0;
__u16 vcpu_num;
__u16 reserved1;
guid_t uuid;
__u64 vm_flag;
__u64 ioreq_buf;
__u64 cpu_affinity;
};
/* The ioctl type, documented in ioctl-number.rst */
#define ACRN_IOCTL_TYPE 0xA2
/*
* Common IOCTL IDs definition for ACRN userspace
*/
#define ACRN_IOCTL_CREATE_VM \
_IOWR(ACRN_IOCTL_TYPE, 0x10, struct acrn_vm_creation)
#define ACRN_IOCTL_DESTROY_VM \
_IO(ACRN_IOCTL_TYPE, 0x11)
#define ACRN_IOCTL_START_VM \
_IO(ACRN_IOCTL_TYPE, 0x12)
#define ACRN_IOCTL_PAUSE_VM \
_IO(ACRN_IOCTL_TYPE, 0x13)
#define ACRN_IOCTL_RESET_VM \
_IO(ACRN_IOCTL_TYPE, 0x15)
#endif /* _UAPI_ACRN_H */
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