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