1 /* Copyright (C) 2010 - 2015 UNISYS CORPORATION 2 * All rights reserved. 3 * 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. 7 * 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 12 * details. 13 */ 14 15 #ifndef __IOMONINTF_H__ 16 #define __IOMONINTF_H__ 17 18 /* 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. 22 */ 23 24 #ifdef __GNUC__ 25 #include "iovmcall_gnuc.h" 26 #endif /* */ 27 #include "diagchannel.h" 28 29 #ifdef VMCALL_IO_CONTROLVM_ADDR 30 #undef VMCALL_IO_CONTROLVM_ADDR 31 #endif /* */ 32 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 40 * type 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 44 * type of VMCALL 45 */ 46 47 VMCALL_IO_CONTROLVM_ADDR = 0x0501, /* used by all Guests, not just 48 * IO */ 49 VMCALL_QUERY_GUEST_VIRTUAL_TIME_OFFSET = 0x0708, /* Allow caller to 50 * query virtual time 51 * offset */ 52 VMCALL_POST_CODE_LOGEVENT = 0x070B, /* LOGEVENT Post Code (RDX) with 53 * specified subsystem mask (RCX 54 * - monitor_subsystems.h) and 55 * severity (RDX) */ 56 VMCALL_UPDATE_PHYSICAL_TIME = 0x0a02 /* Allow 57 * ULTRA_SERVICE_CAPABILITY_TIME 58 * capable guest to make 59 * VMCALL */ 60 }; 61 62 #define VMCALL_SUCCESS 0 63 #define VMCALL_SUCCESSFUL(result) (result == 0) 64 65 #ifdef __GNUC__ 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, \ 72 (param) >> 32)) 73 #define ISSUE_IO_EXTENDED_VMCALL(method, param1, param2, param3) \ 74 unisys_extended_vmcall(method, param1, param2, param3) 75 76 /* The following uses VMCALL_POST_CODE_LOGEVENT interface but is currently 77 * not used much */ 78 #define ISSUE_IO_VMCALL_POSTCODE_SEVERITY(postcode, severity) \ 79 ISSUE_IO_EXTENDED_VMCALL(VMCALL_POST_CODE_LOGEVENT, severity, \ 80 MDS_APPOS, postcode) 81 #endif 82 83 /* Structures for IO VMCALLs */ 84 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 */ 94 } __packed; 95 96 #endif /* __IOMONINTF_H__ */ 97