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/* Copyright (C) 2010 - 2015 UNISYS CORPORATION
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for more
* details.
*/
#ifndef __VMCALLINTERFACE_H__
#define __VMCALLINTERFACE_H__
enum vmcall_monitor_interface_method_tuple { /* VMCALL identification tuples */
/* Note: when a new VMCALL is added:
* - the 1st 2 hex digits correspond to one of the
* VMCALL_MONITOR_INTERFACE types and
* - the next 2 hex digits are the nth relative instance of within a
* type
* E.G. for VMCALL_VIRTPART_RECYCLE_PART,
* - the 0x02 identifies it as a VMCALL_VIRTPART type and
* - the 0x01 identifies it as the 1st instance of a VMCALL_VIRTPART
* type of VMCALL
*/
/* used by all Guests, not just IO */
VMCALL_CONTROLVM_ADDR = 0x0501,
};
enum vmcall_result {
VMCALL_RESULT_SUCCESS = 0,
VMCALL_RESULT_INVALID_PARAM = 1,
VMCALL_RESULT_DATA_UNAVAILABLE = 2,
VMCALL_RESULT_FAILURE_UNAVAILABLE = 3,
VMCALL_RESULT_DEVICE_ERROR = 4,
VMCALL_RESULT_DEVICE_NOT_READY = 5
};
/* Structures for IO VMCALLs */
/* Parameters to VMCALL_CONTROLVM_ADDR interface */
struct vmcall_io_controlvm_addr_params {
/* The Guest-relative physical address of the ControlVm channel. */
/* This VMCall fills this in with the appropriate address. */
u64 address; /* contents provided by this VMCALL (OUT) */
/* the size of the ControlVm channel in bytes This VMCall fills this */
/* in with the appropriate address. */
u32 channel_bytes; /* contents provided by this VMCALL (OUT) */
u8 unused[4]; /* Unused Bytes in the 64-Bit Aligned Struct */
} __packed;
#endif /* __VMCALLINTERFACE_H__ */
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