93 lines
3.4 KiB
C
93 lines
3.4 KiB
C
/* Copyright (C) 2010 - 2015 UNISYS CORPORATION
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
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* NON INFRINGEMENT. See the GNU General Public License for more
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* details.
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*/
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#ifndef __IOMONINTF_H__
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#define __IOMONINTF_H__
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/*
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* This file contains all structures needed to support the VMCALLs for IO
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* Virtualization. The VMCALLs are provided by Monitor and used by IO code
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* running on IO Partitions.
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*/
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#ifdef __GNUC__
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#include "iovmcall_gnuc.h"
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#endif /* */
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#include "diagchannel.h"
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#ifdef VMCALL_IO_CONTROLVM_ADDR
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#undef VMCALL_IO_CONTROLVM_ADDR
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#endif /* */
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/* define subsystem number for AppOS, used in uislib driver */
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#define MDS_APPOS 0x4000000000000000L /* subsystem = 62 - AppOS */
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enum vmcall_monitor_interface_method_tuple { /* VMCALL identification tuples */
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/* Note: when a new VMCALL is added:
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* - the 1st 2 hex digits correspond to one of the
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* VMCALL_MONITOR_INTERFACE types and
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* - the next 2 hex digits are the nth relative instance of within a
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* type
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* E.G. for VMCALL_VIRTPART_RECYCLE_PART,
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* - the 0x02 identifies it as a VMCALL_VIRTPART type and
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* - the 0x01 identifies it as the 1st instance of a VMCALL_VIRTPART
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* type of VMCALL
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*/
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/* used by all Guests, not just IO */
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VMCALL_IO_CONTROLVM_ADDR = 0x0501,
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/* Allow caller to query virtual time offset */
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VMCALL_QUERY_GUEST_VIRTUAL_TIME_OFFSET = 0x0708,
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/* LOGEVENT Post Code (RDX) with specified subsystem mask */
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/* (RCX - monitor_subsystems.h) and severity (RDX) */
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VMCALL_POST_CODE_LOGEVENT = 0x070B,
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/* Allow ULTRA_SERVICE_CAPABILITY_TIME capable guest to make VMCALL */
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VMCALL_UPDATE_PHYSICAL_TIME = 0x0a02
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};
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#define VMCALL_SUCCESS 0
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#define VMCALL_SUCCESSFUL(result) (result == 0)
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#ifdef __GNUC__
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#define unisys_vmcall(tuple, reg_ebx, reg_ecx) \
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__unisys_vmcall_gnuc(tuple, reg_ebx, reg_ecx)
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#define unisys_extended_vmcall(tuple, reg_ebx, reg_ecx, reg_edx) \
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__unisys_extended_vmcall_gnuc(tuple, reg_ebx, reg_ecx, reg_edx)
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#define ISSUE_IO_VMCALL(method, param, result) \
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(result = unisys_vmcall(method, (param) & 0xFFFFFFFF, \
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(param) >> 32))
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#define ISSUE_IO_EXTENDED_VMCALL(method, param1, param2, param3) \
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unisys_extended_vmcall(method, param1, param2, param3)
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/* The following uses VMCALL_POST_CODE_LOGEVENT interface but is currently
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* not used much
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*/
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#define ISSUE_IO_VMCALL_POSTCODE_SEVERITY(postcode, severity) \
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ISSUE_IO_EXTENDED_VMCALL(VMCALL_POST_CODE_LOGEVENT, severity, \
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MDS_APPOS, postcode)
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#endif
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/* Structures for IO VMCALLs */
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/* Parameters to VMCALL_IO_CONTROLVM_ADDR interface */
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struct vmcall_io_controlvm_addr_params {
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/* The Guest-relative physical address of the ControlVm channel. */
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/* This VMCall fills this in with the appropriate address. */
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u64 address; /* contents provided by this VMCALL (OUT) */
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/* the size of the ControlVm channel in bytes This VMCall fills this */
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/* in with the appropriate address. */
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u32 channel_bytes; /* contents provided by this VMCALL (OUT) */
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u8 unused[4]; /* Unused Bytes in the 64-Bit Aligned Struct */
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} __packed;
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#endif /* __IOMONINTF_H__ */
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