diff options
Diffstat (limited to 'drivers/staging/unisys/visorbus/vmcallinterface.h')
| -rw-r--r-- | drivers/staging/unisys/visorbus/vmcallinterface.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/drivers/staging/unisys/visorbus/vmcallinterface.h b/drivers/staging/unisys/visorbus/vmcallinterface.h new file mode 100644 index 000000000000..7a53df00726a --- /dev/null +++ b/drivers/staging/unisys/visorbus/vmcallinterface.h @@ -0,0 +1,149 @@ +/* Copyright (C) 2010 - 2013 UNISYS CORPORATION + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * 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_IO_DIAG_ADDR = 0x0508, + VMCALL_IO_VISORSERIAL_ADDR = 0x0509, + VMCALL_QUERY_GUEST_VIRTUAL_TIME_OFFSET = 0x0708, /* Allow caller to + * query virtual time + * offset */ + VMCALL_CHANNEL_VERSION_MISMATCH = 0x0709, + VMCALL_POST_CODE_LOGEVENT = 0x070B, /* LOGEVENT Post Code (RDX) with + * specified subsystem mask (RCX + * - monitor_subsystems.h) and + * severity (RDX) */ + VMCALL_GENERIC_SURRENDER_QUANTUM_FOREVER = 0x0802, /* Yield the + * remainder & all + * future quantums of + * the caller */ + VMCALL_MEASUREMENT_DO_NOTHING = 0x0901, + 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 */ + +/* ///////////// BEGIN PRAGMA PACK PUSH 1 ///////////////////////// */ +/* ///////////// ONLY STRUCT TYPE SHOULD BE BELOW */ +#pragma pack(push, 1) +/* 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 */ +}; + +#pragma pack(pop) +/* ///////////// END PRAGMA PACK PUSH 1 /////////////////////////// */ + +/* ///////////// BEGIN PRAGMA PACK PUSH 1 ///////////////////////// */ +/* ///////////// ONLY STRUCT TYPE SHOULD BE BELOW */ +#pragma pack(push, 1) +/* Parameters to VMCALL_IO_DIAG_ADDR interface */ +struct vmcall_io_diag_addr_params { + /* The Guest-relative physical address of the diagnostic channel. + * This VMCall fills this in with the appropriate address. */ + u64 address; /* contents provided by this VMCALL (OUT) */ +}; + +#pragma pack(pop) +/* ///////////// END PRAGMA PACK PUSH 1 /////////////////////////// */ + +/* ///////////// BEGIN PRAGMA PACK PUSH 1 ///////////////////////// */ +/* ///////////// ONLY STRUCT TYPE SHOULD BE BELOW */ +#pragma pack(push, 1) +/* Parameters to VMCALL_IO_VISORSERIAL_ADDR interface */ +struct vmcall_io_visorserial_addr_params { + /* The Guest-relative physical address of the serial console + * channel. This VMCall fills this in with the appropriate + * address. */ + u64 address; /* contents provided by this VMCALL (OUT) */ +}; + +#pragma pack(pop) +/* ///////////// END PRAGMA PACK PUSH 1 /////////////////////////// */ + +/* Parameters to VMCALL_CHANNEL_MISMATCH interface */ +struct vmcall_channel_version_mismatch_params { + u8 chname[32]; /* Null terminated string giving name of channel + * (IN) */ + u8 item_name[32]; /* Null terminated string giving name of + * mismatched item (IN) */ + u32 line_no; /* line# where invoked. (IN) */ + u8 file_name[36]; /* source code where invoked - Null terminated + * string (IN) */ +}; + +#endif /* __IOMONINTF_H__ */ |