1 /* Copyright (C) 2010 - 2013 UNISYS CORPORATION 2 * All rights reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or (at 7 * your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, but 10 * WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or 12 * NON INFRINGEMENT. See the GNU General Public License for more 13 * details. 14 */ 15 16 #ifndef __IOMONINTF_H__ 17 #define __IOMONINTF_H__ 18 19 /* 20 * This file contains all structures needed to support the VMCALLs for IO 21 * Virtualization. The VMCALLs are provided by Monitor and used by IO code 22 * running on IO Partitions. 23 */ 24 25 #ifdef __GNUC__ 26 #include "iovmcall_gnuc.h" 27 #endif /* */ 28 #include "diagchannel.h" 29 30 #ifdef VMCALL_IO_CONTROLVM_ADDR 31 #undef VMCALL_IO_CONTROLVM_ADDR 32 #endif /* */ 33 34 /* define subsystem number for AppOS, used in uislib driver */ 35 #define MDS_APPOS 0x4000000000000000L /* subsystem = 62 - AppOS */ 36 enum vmcall_monitor_interface_method_tuple { /* VMCALL identification tuples */ 37 /* Note: when a new VMCALL is added: 38 * - the 1st 2 hex digits correspond to one of the 39 * VMCALL_MONITOR_INTERFACE types and 40 * - the next 2 hex digits are the nth relative instance of within a 41 * type 42 * E.G. for VMCALL_VIRTPART_RECYCLE_PART, 43 * - the 0x02 identifies it as a VMCALL_VIRTPART type and 44 * - the 0x01 identifies it as the 1st instance of a VMCALL_VIRTPART 45 * type of VMCALL 46 */ 47 48 VMCALL_IO_CONTROLVM_ADDR = 0x0501, /* used by all Guests, not just 49 * IO */ 50 VMCALL_IO_DIAG_ADDR = 0x0508, 51 VMCALL_IO_VISORSERIAL_ADDR = 0x0509, 52 VMCALL_QUERY_GUEST_VIRTUAL_TIME_OFFSET = 0x0708, /* Allow caller to 53 * query virtual time 54 * offset */ 55 VMCALL_CHANNEL_VERSION_MISMATCH = 0x0709, 56 VMCALL_POST_CODE_LOGEVENT = 0x070B, /* LOGEVENT Post Code (RDX) with 57 * specified subsystem mask (RCX 58 * - monitor_subsystems.h) and 59 * severity (RDX) */ 60 VMCALL_GENERIC_SURRENDER_QUANTUM_FOREVER = 0x0802, /* Yield the 61 * remainder & all 62 * future quantums of 63 * the caller */ 64 VMCALL_MEASUREMENT_DO_NOTHING = 0x0901, 65 VMCALL_UPDATE_PHYSICAL_TIME = 0x0a02 /* Allow 66 * ULTRA_SERVICE_CAPABILITY_TIME 67 * capable guest to make 68 * VMCALL */ 69 }; 70 71 #define VMCALL_SUCCESS 0 72 #define VMCALL_SUCCESSFUL(result) (result == 0) 73 74 #ifdef __GNUC__ 75 #define unisys_vmcall(tuple, reg_ebx, reg_ecx) \ 76 __unisys_vmcall_gnuc(tuple, reg_ebx, reg_ecx) 77 #define unisys_extended_vmcall(tuple, reg_ebx, reg_ecx, reg_edx) \ 78 __unisys_extended_vmcall_gnuc(tuple, reg_ebx, reg_ecx, reg_edx) 79 #define ISSUE_IO_VMCALL(method, param, result) \ 80 (result = unisys_vmcall(method, (param) & 0xFFFFFFFF, \ 81 (param) >> 32)) 82 #define ISSUE_IO_EXTENDED_VMCALL(method, param1, param2, param3) \ 83 unisys_extended_vmcall(method, param1, param2, param3) 84 85 /* The following uses VMCALL_POST_CODE_LOGEVENT interface but is currently 86 * not used much */ 87 #define ISSUE_IO_VMCALL_POSTCODE_SEVERITY(postcode, severity) \ 88 do { \ 89 ISSUE_IO_EXTENDED_VMCALL(VMCALL_POST_CODE_LOGEVENT, severity, \ 90 MDS_APPOS, postcode); \ 91 } while (0) 92 #endif 93 94 /* Structures for IO VMCALLs */ 95 96 /* ///////////// BEGIN PRAGMA PACK PUSH 1 ///////////////////////// */ 97 /* ///////////// ONLY STRUCT TYPE SHOULD BE BELOW */ 98 #pragma pack(push, 1) 99 struct phys_info { 100 u64 pi_pfn; 101 u16 pi_off; 102 u16 pi_len; 103 }; 104 105 #pragma pack(pop) 106 /* ///////////// END PRAGMA PACK PUSH 1 /////////////////////////// */ 107 108 /* ///////////// BEGIN PRAGMA PACK PUSH 1 ///////////////////////// */ 109 /* ///////////// ONLY STRUCT TYPE SHOULD BE BELOW */ 110 #pragma pack(push, 1) 111 /* Parameters to VMCALL_IO_CONTROLVM_ADDR interface */ 112 struct vmcall_io_controlvm_addr_params { 113 /* The Guest-relative physical address of the ControlVm channel. 114 * This VMCall fills this in with the appropriate address. */ 115 u64 address; /* contents provided by this VMCALL (OUT) */ 116 /* the size of the ControlVm channel in bytes This VMCall fills this 117 * in with the appropriate address. */ 118 u32 channel_bytes; /* contents provided by this VMCALL (OUT) */ 119 u8 unused[4]; /* Unused Bytes in the 64-Bit Aligned Struct */ 120 }; 121 122 #pragma pack(pop) 123 /* ///////////// END PRAGMA PACK PUSH 1 /////////////////////////// */ 124 125 /* ///////////// BEGIN PRAGMA PACK PUSH 1 ///////////////////////// */ 126 /* ///////////// ONLY STRUCT TYPE SHOULD BE BELOW */ 127 #pragma pack(push, 1) 128 /* Parameters to VMCALL_IO_DIAG_ADDR interface */ 129 struct vmcall_io_diag_addr_params { 130 /* The Guest-relative physical address of the diagnostic channel. 131 * This VMCall fills this in with the appropriate address. */ 132 u64 address; /* contents provided by this VMCALL (OUT) */ 133 }; 134 135 #pragma pack(pop) 136 /* ///////////// END PRAGMA PACK PUSH 1 /////////////////////////// */ 137 138 /* ///////////// BEGIN PRAGMA PACK PUSH 1 ///////////////////////// */ 139 /* ///////////// ONLY STRUCT TYPE SHOULD BE BELOW */ 140 #pragma pack(push, 1) 141 /* Parameters to VMCALL_IO_VISORSERIAL_ADDR interface */ 142 struct vmcall_io_visorserial_addr_params { 143 /* The Guest-relative physical address of the serial console 144 * channel. This VMCall fills this in with the appropriate 145 * address. */ 146 u64 address; /* contents provided by this VMCALL (OUT) */ 147 }; 148 149 #pragma pack(pop) 150 /* ///////////// END PRAGMA PACK PUSH 1 /////////////////////////// */ 151 152 /* Parameters to VMCALL_CHANNEL_MISMATCH interface */ 153 struct vmcall_channel_version_mismatch_params { 154 u8 chname[32]; /* Null terminated string giving name of channel 155 * (IN) */ 156 u8 item_name[32]; /* Null terminated string giving name of 157 * mismatched item (IN) */ 158 u32 line_no; /* line# where invoked. (IN) */ 159 u8 file_name[36]; /* source code where invoked - Null terminated 160 * string (IN) */ 161 }; 162 163 #endif /* __IOMONINTF_H__ */ 164