| /* 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 __IOMONINTF_H__ |
| #define __IOMONINTF_H__ |
| |
| /* |
| * This file contains all structures needed to support the VMCALLs for IO |
| * Virtualization. The VMCALLs are provided by Monitor and used by IO code |
| * running on IO Partitions. |
| */ |
| |
| #ifdef __GNUC__ |
| #include "iovmcall_gnuc.h" |
| #endif /* */ |
| #include "diagchannel.h" |
| |
| #ifdef VMCALL_IO_CONTROLVM_ADDR |
| #undef VMCALL_IO_CONTROLVM_ADDR |
| #endif /* */ |
| |
| /* define subsystem number for AppOS, used in uislib driver */ |
| #define MDS_APPOS 0x4000000000000000L /* subsystem = 62 - AppOS */ |
| 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 |
| */ |
| |
| VMCALL_IO_CONTROLVM_ADDR = 0x0501, /* used by all Guests, not just |
| * IO */ |
| VMCALL_QUERY_GUEST_VIRTUAL_TIME_OFFSET = 0x0708, /* Allow caller to |
| * query virtual time |
| * offset */ |
| VMCALL_POST_CODE_LOGEVENT = 0x070B, /* LOGEVENT Post Code (RDX) with |
| * specified subsystem mask (RCX |
| * - monitor_subsystems.h) and |
| * severity (RDX) */ |
| VMCALL_UPDATE_PHYSICAL_TIME = 0x0a02 /* Allow |
| * ULTRA_SERVICE_CAPABILITY_TIME |
| * capable guest to make |
| * VMCALL */ |
| }; |
| |
| #define VMCALL_SUCCESS 0 |
| #define VMCALL_SUCCESSFUL(result) (result == 0) |
| |
| #ifdef __GNUC__ |
| #define unisys_vmcall(tuple, reg_ebx, reg_ecx) \ |
| __unisys_vmcall_gnuc(tuple, reg_ebx, reg_ecx) |
| #define unisys_extended_vmcall(tuple, reg_ebx, reg_ecx, reg_edx) \ |
| __unisys_extended_vmcall_gnuc(tuple, reg_ebx, reg_ecx, reg_edx) |
| #define ISSUE_IO_VMCALL(method, param, result) \ |
| (result = unisys_vmcall(method, (param) & 0xFFFFFFFF, \ |
| (param) >> 32)) |
| #define ISSUE_IO_EXTENDED_VMCALL(method, param1, param2, param3) \ |
| unisys_extended_vmcall(method, param1, param2, param3) |
| |
| /* The following uses VMCALL_POST_CODE_LOGEVENT interface but is currently |
| * not used much */ |
| #define ISSUE_IO_VMCALL_POSTCODE_SEVERITY(postcode, severity) \ |
| ISSUE_IO_EXTENDED_VMCALL(VMCALL_POST_CODE_LOGEVENT, severity, \ |
| MDS_APPOS, postcode) |
| #endif |
| |
| /* Structures for IO VMCALLs */ |
| |
| /* Parameters to VMCALL_IO_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 /* __IOMONINTF_H__ */ |