1 /* Copyright (C) 2010 - 2015 UNISYS CORPORATION
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms and conditions of the GNU General Public License,
6 * version 2, as published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
11 * NON INFRINGEMENT. See the GNU General Public License for more
15 #ifndef __IOMONINTF_H__
16 #define __IOMONINTF_H__
19 * This file contains all structures needed to support the VMCALLs for IO
20 * Virtualization. The VMCALLs are provided by Monitor and used by IO code
21 * running on IO Partitions.
25 #include "iovmcall_gnuc.h"
27 #include "diagchannel.h"
29 #ifdef VMCALL_IO_CONTROLVM_ADDR
30 #undef VMCALL_IO_CONTROLVM_ADDR
33 /* define subsystem number for AppOS, used in uislib driver */
34 #define MDS_APPOS 0x4000000000000000L /* subsystem = 62 - AppOS */
35 enum vmcall_monitor_interface_method_tuple { /* VMCALL identification tuples */
36 /* Note: when a new VMCALL is added:
37 * - the 1st 2 hex digits correspond to one of the
38 * VMCALL_MONITOR_INTERFACE types and
39 * - the next 2 hex digits are the nth relative instance of within a
41 * E.G. for VMCALL_VIRTPART_RECYCLE_PART,
42 * - the 0x02 identifies it as a VMCALL_VIRTPART type and
43 * - the 0x01 identifies it as the 1st instance of a VMCALL_VIRTPART
47 VMCALL_IO_CONTROLVM_ADDR = 0x0501, /* used by all Guests, not just
49 VMCALL_QUERY_GUEST_VIRTUAL_TIME_OFFSET = 0x0708, /* Allow caller to
52 VMCALL_POST_CODE_LOGEVENT = 0x070B, /* LOGEVENT Post Code (RDX) with
53 * specified subsystem mask (RCX
54 * - monitor_subsystems.h) and
56 VMCALL_UPDATE_PHYSICAL_TIME = 0x0a02 /* Allow
57 * ULTRA_SERVICE_CAPABILITY_TIME
58 * capable guest to make
62 #define VMCALL_SUCCESS 0
63 #define VMCALL_SUCCESSFUL(result) (result == 0)
66 #define unisys_vmcall(tuple, reg_ebx, reg_ecx) \
67 __unisys_vmcall_gnuc(tuple, reg_ebx, reg_ecx)
68 #define unisys_extended_vmcall(tuple, reg_ebx, reg_ecx, reg_edx) \
69 __unisys_extended_vmcall_gnuc(tuple, reg_ebx, reg_ecx, reg_edx)
70 #define ISSUE_IO_VMCALL(method, param, result) \
71 (result = unisys_vmcall(method, (param) & 0xFFFFFFFF, \
73 #define ISSUE_IO_EXTENDED_VMCALL(method, param1, param2, param3) \
74 unisys_extended_vmcall(method, param1, param2, param3)
76 /* The following uses VMCALL_POST_CODE_LOGEVENT interface but is currently
78 #define ISSUE_IO_VMCALL_POSTCODE_SEVERITY(postcode, severity) \
79 ISSUE_IO_EXTENDED_VMCALL(VMCALL_POST_CODE_LOGEVENT, severity, \
83 /* Structures for IO VMCALLs */
85 /* Parameters to VMCALL_IO_CONTROLVM_ADDR interface */
86 struct vmcall_io_controlvm_addr_params {
87 /* The Guest-relative physical address of the ControlVm channel.
88 * This VMCall fills this in with the appropriate address. */
89 u64 address; /* contents provided by this VMCALL (OUT) */
90 /* the size of the ControlVm channel in bytes This VMCall fills this
91 * in with the appropriate address. */
92 u32 channel_bytes; /* contents provided by this VMCALL (OUT) */
93 u8 unused[4]; /* Unused Bytes in the 64-Bit Aligned Struct */
96 #endif /* __IOMONINTF_H__ */