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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | /* * HvLpEvent.h * Copyright (C) 2001 Mike Corrigan IBM Corporation * * 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. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ //====================================================================== // // This file contains the class for HV events in the system. // //===================================================================== #ifndef _HVLPEVENT_H #define _HVLPEVENT_H #include <asm/types.h> #include <asm/ptrace.h> #include <asm/iSeries/HvTypes.h> #ifndef _HVCALLEVENT_H #include <asm/iSeries/HvCallEvent.h> #endif //===================================================================== // // HvLpEvent is the structure for Lp Event messages passed between // partitions through PLIC. // //===================================================================== struct HvEventFlags { u8 xValid:1; // Indicates a valid request x00-x00 u8 xRsvd1:4; // Reserved ... u8 xAckType:1; // Immediate or deferred ... u8 xAckInd:1; // Indicates if ACK required ... u8 xFunction:1; // Interrupt or Acknowledge ... }; struct HvLpEvent { struct HvEventFlags xFlags; // Event flags x00-x00 u8 xType; // Type of message x01-x01 u16 xSubtype; // Subtype for event x02-x03 u8 xSourceLp; // Source LP x04-x04 u8 xTargetLp; // Target LP x05-x05 u8 xSizeMinus1; // Size of Derived class - 1 x06-x06 u8 xRc; // RC for Ack flows x07-x07 u16 xSourceInstanceId; // Source sides instance id x08-x09 u16 xTargetInstanceId; // Target sides instance id x0A-x0B union { u32 xSubtypeData; // Data usable by the subtype x0C-x0F u16 xSubtypeDataShort[2]; // Data as 2 shorts u8 xSubtypeDataChar[4]; // Data as 4 chars } x; u64 xCorrelationToken; // Unique value for source/type x10-x17 }; // Lp Event handler function typedef void (*LpEventHandler)(struct HvLpEvent *, struct pt_regs *); // Register a handler for an event type // returns 0 on success extern int HvLpEvent_registerHandler( HvLpEvent_Type eventType, LpEventHandler hdlr); // Unregister a handler for an event type // returns 0 on success // Unregister will fail if there are any paths open for the type extern int HvLpEvent_unregisterHandler( HvLpEvent_Type eventType ); // Open an Lp Event Path for an event type // returns 0 on success // openPath will fail if there is no handler registered for the event type. // The lpIndex specified is the partition index for the target partition // (for VirtualIo, VirtualLan and SessionMgr) other types specify zero) extern int HvLpEvent_openPath( HvLpEvent_Type eventType, HvLpIndex lpIndex ); // Close an Lp Event Path for a type and partition // returns 0 on sucess extern int HvLpEvent_closePath( HvLpEvent_Type eventType, HvLpIndex lpIndex ); #define HvLpEvent_Type_Hypervisor 0 #define HvLpEvent_Type_MachineFac 1 #define HvLpEvent_Type_SessionMgr 2 #define HvLpEvent_Type_SpdIo 3 #define HvLpEvent_Type_VirtualBus 4 #define HvLpEvent_Type_PciIo 5 #define HvLpEvent_Type_RioIo 6 #define HvLpEvent_Type_VirtualLan 7 #define HvLpEvent_Type_VirtualIo 8 #define HvLpEvent_Type_NumTypes 9 #define HvLpEvent_Rc_Good 0 #define HvLpEvent_Rc_BufferNotAvailable 1 #define HvLpEvent_Rc_Cancelled 2 #define HvLpEvent_Rc_GenericError 3 #define HvLpEvent_Rc_InvalidAddress 4 #define HvLpEvent_Rc_InvalidPartition 5 #define HvLpEvent_Rc_InvalidSize 6 #define HvLpEvent_Rc_InvalidSubtype 7 #define HvLpEvent_Rc_InvalidSubtypeData 8 #define HvLpEvent_Rc_InvalidType 9 #define HvLpEvent_Rc_PartitionDead 10 #define HvLpEvent_Rc_PathClosed 11 #define HvLpEvent_Rc_SubtypeError 12 #define HvLpEvent_Function_Ack 0 #define HvLpEvent_Function_Int 1 #define HvLpEvent_AckInd_NoAck 0 #define HvLpEvent_AckInd_DoAck 1 #define HvLpEvent_AckType_ImmediateAck 0 #define HvLpEvent_AckType_DeferredAck 1 #define HvLpDma_Direction_LocalToRemote 0 #define HvLpDma_Direction_RemoteToLocal 1 #define HvLpDma_AddressType_TceIndex 0 #define HvLpDma_AddressType_RealAddress 1 #define HvLpDma_Rc_Good 0 #define HvLpDma_Rc_Error 1 #define HvLpDma_Rc_PartitionDead 2 #define HvLpDma_Rc_PathClosed 3 #define HvLpDma_Rc_InvalidAddress 4 #define HvLpDma_Rc_InvalidLength 5 #endif // _HVLPEVENT_H |