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Diffstat (limited to 'include/uapi/linux/acrn.h')
| -rw-r--r-- | include/uapi/linux/acrn.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/uapi/linux/acrn.h b/include/uapi/linux/acrn.h new file mode 100644 index 000000000000..32521168075f --- /dev/null +++ b/include/uapi/linux/acrn.h @@ -0,0 +1,58 @@ +/* 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 */ |