1 | /*************************************************************************** |
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2 | * |
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3 | * Copyright (C) 2001 International Business Machines |
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4 | * All rights reserved. |
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5 | * |
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6 | * This file is part of the GPFS mmfslinux kernel module. |
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7 | * |
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8 | * Redistribution and use in source and binary forms, with or without |
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9 | * modification, are permitted provided that the following conditions |
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10 | * are met: |
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11 | * |
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12 | * 1. Redistributions of source code must retain the above copyright notice, |
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13 | * this list of conditions and the following disclaimer. |
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14 | * 2. Redistributions in binary form must reproduce the above copyright |
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15 | * notice, this list of conditions and the following disclaimer in the |
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16 | * documentation and/or other materials provided with the distribution. |
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17 | * 3. The name of the author may not be used to endorse or promote products |
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18 | * derived from this software without specific prior written |
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19 | * permission. |
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20 | * |
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21 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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22 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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23 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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24 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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25 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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26 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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27 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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28 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
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29 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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30 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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31 | * |
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32 | *************************************************************************** */ |
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33 | /* @(#)93 1.85 src/avs/fs/mmfs/ts/kernext/ibm-kxi/cxiTypes.h, mmfs, avs_rgpfs24, rgpfs24s001a 3/27/06 10:57:53 */ |
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34 | /* |
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35 | * Basic types used throughout GPFS. Since GPFS shares data between its |
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36 | * daemon and its kernel pieces, types must be defined consistently, rather |
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37 | * than relying on platform-specific include files. This file may be |
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38 | * included in either C or C++ code. |
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39 | * |
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40 | */ |
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41 | |
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42 | #ifndef _h_cxiTypes |
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43 | #define _h_cxiTypes |
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44 | |
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45 | /* Types to use when the number of bits in a word is important. Use these |
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46 | instead of long, short, int, etc. for portability */ |
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47 | typedef short Int16; |
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48 | typedef int Int32; |
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49 | typedef long long Int64; |
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50 | typedef unsigned short UInt16; |
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51 | typedef unsigned int UInt32; |
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52 | typedef unsigned long long UInt64; |
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53 | |
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54 | typedef unsigned char UChar; |
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55 | typedef unsigned short UShort; |
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56 | typedef long Ptrdiff; |
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57 | |
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58 | /* Use these instead of Int or UInt for padding in structures that are sent |
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59 | in RPCs. These types will not be byte-swapped when sent between nodes |
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60 | having different endian value. */ |
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61 | typedef short Pad16; |
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62 | typedef int Pad32; |
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63 | |
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64 | /* Use these for fields send in RPCs that should not be byte-swapped */ |
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65 | typedef int Opaque32; |
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66 | typedef unsigned long long Opaque64; |
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67 | |
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68 | /* Use this as the return value type for functions that return a local |
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69 | system errno value, to make it clear that the function is called from |
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70 | outside of GPFS and does not return a GPFS Errno. */ |
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71 | typedef int IntRC; |
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72 | |
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73 | #define MAX_UINT64 ((UInt64)(0xFFFFFFFFFFFFFFFFuLL)) |
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74 | #define MAX_INT64 ((Int64)(0x7FFFFFFFFFFFFFFFuLL)) |
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75 | #define MAX_UINT32 ((UInt32)0xFFFFFFFF) |
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76 | #define MAX_INT32 ((Int32)0x7FFFFFFF) |
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77 | #define MIN_INT32 ((Int32)0x80000000) |
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78 | #define MAX_UINT16 ((UInt16)0xFFFF) |
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79 | #define MAX_INT16 ((Int16)0x7FFF) |
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80 | #define MIN_INT16 ((Int16)0x8000) |
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81 | |
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82 | /* Macros to fetch the high and low 32 bits of an Int64 */ |
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83 | #define High32(_i) ((Int32) (((UInt64)(_i))>>32)) |
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84 | #define Low32(_i) ((UInt32) ((_i)&0xFFFFFFFF)) |
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85 | |
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86 | /* Use types to safely allow integer to ptr assignment and vice-versa; |
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87 | defined for maximum portability (instead of using intptr_t/uintptr_t) */ |
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88 | typedef signed long IntPtr; |
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89 | typedef unsigned long UIntPtr; |
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90 | |
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91 | /* Define macros to typecast a pointer in a failsafe manner */ |
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92 | #define INTPTR(_p) ((IntPtr)(_p)) |
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93 | #define UINTPTR(_p) ((UIntPtr)(_p)) |
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94 | |
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95 | /* Conversion macros for pointers and 32-bit integers */ |
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96 | /* Use when intentionally converting to/from 32-bit integers |
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97 | and pointers so that useless compiler warnings are suppressed. */ |
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98 | #define PTR_TO_INT32(_p) ((Int32)(IntPtr)(_p)) |
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99 | #define PTR_TO_UINT32(_p) ((UInt32)(UIntPtr)(_p)) |
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100 | #define INT32_TO_PTR(_i) ((void *)(IntPtr)(_i)) |
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101 | #define UINT32_TO_PTR(_i) ((void *)(UIntPtr)(_i)) |
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102 | #define PTR_TO_INT64(_p) ((Int64)(IntPtr)(_p)) |
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103 | #define PTR_TO_UINT64(_p) ((UInt64)(UIntPtr)(_p)) |
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104 | #define UINT64_TO_PTR(_i) ((void *)(UIntPtr)(_i)) |
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105 | |
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106 | /* Lockword type for mutexes */ |
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107 | #ifdef __64BIT__ |
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108 | typedef unsigned long lockWord_t; |
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109 | #else |
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110 | typedef unsigned int lockWord_t; |
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111 | #endif /* 64b */ |
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112 | |
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113 | /* Boolean type */ |
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114 | typedef unsigned int Boolean; |
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115 | typedef char cBoolean; |
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116 | #define false 0 |
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117 | #define FALSE 0 |
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118 | #define true 1 |
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119 | #define TRUE 1 |
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120 | |
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121 | #ifndef EXTERNC |
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122 | #ifdef __cplusplus |
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123 | #define EXTERNC extern "C" |
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124 | #else |
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125 | #define EXTERNC extern |
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126 | #endif |
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127 | #endif /* EXTERNC */ |
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128 | |
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129 | /* Command parameters given to gpfsSetattr() */ |
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130 | #ifndef V_MODE /* set mode */ |
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131 | #define V_MODE 0x01 |
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132 | #endif |
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133 | #ifndef V_OWN /* set owner */ |
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134 | #define V_OWN 0x02 |
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135 | #endif |
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136 | #ifndef V_UTIME /* set atime and mtime */ |
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137 | #define V_UTIME 0x04 |
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138 | #endif |
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139 | #ifndef V_STIME /* set atime, mtime, and ctime */ |
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140 | #define V_STIME 0x08 |
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141 | #endif |
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142 | #ifndef V_NTIME /* set atime, mtime, and ctime to now */ |
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143 | #define V_NTIME 0x10 |
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144 | #endif |
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145 | #ifndef V_SIZE /* set file size */ |
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146 | #define V_SIZE 0x20 |
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147 | #endif |
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148 | |
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149 | #define CXIDEVNONE (cxiDev_t)(-1U) |
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150 | |
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151 | /* AIX SHM_RDONLY sys/shm.h */ |
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152 | #define CXI_SHM_RDONLY 010000 |
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153 | |
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154 | /* Macros to compute minimum and maximum of two numbers */ |
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155 | #ifndef MIN |
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156 | #define MIN(a,b) (((a)<(b))?(a):(b)) |
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157 | #endif |
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158 | #ifndef MAX |
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159 | #define MAX(a,b) (((a)>(b))?(a):(b)) |
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160 | #endif |
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161 | |
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162 | /* Make sure null pointer definition is always available */ |
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163 | #ifndef NULL |
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164 | #define NULL 0 |
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165 | #endif |
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166 | |
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167 | /* Macro to compute the offset of a field within a structure */ |
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168 | #if defined(__GNUC__) && (__GNUC__ >= 3) |
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169 | /* gcc 3.x: avoid warning msg "invalid offsetof from non-POD type: ..." */ |
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170 | #define OFFSET_OF(_field, _struct) \ |
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171 | (Int32) ( (char*)&((_struct *)16)->_field - (char*)16 ) |
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172 | #else |
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173 | #define OFFSET_OF(_field, _struct) ( (long) ( &((_struct *)0)->_field ) ) |
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174 | #endif |
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175 | |
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176 | /* Identifier of a thread. Always 32 bits, even if native thread IDs are |
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177 | longer on some platforms. The value cxiNoThread denotes an invalid |
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178 | thread ID. */ |
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179 | typedef Int32 cxiThreadId; |
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180 | #define cxiNoThread 0 |
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181 | |
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182 | #if !defined(GPFS_LINUX) && defined(__64BIT__) |
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183 | typedef Int64 cxiPid_t; |
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184 | #else |
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185 | typedef Int32 cxiPid_t; |
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186 | #endif |
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187 | typedef Int64 cxiPid64_t; |
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188 | typedef Int32 cxiPid32_t; |
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189 | typedef Int32 cxiKey_t; |
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190 | |
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191 | /* Needed since mode_t is short in linux kernel */ |
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192 | typedef UInt32 cxiMode_t; |
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193 | typedef UInt32 cxiUid_t; |
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194 | typedef UInt32 cxiGid_t; |
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195 | typedef UInt32 cxiIno_t; /* gpfs inode number */ |
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196 | |
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197 | /* Original AIX sizes for dev_t. Special device files continue to |
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198 | * record their major/minor numbers as 32 bits on disk. |
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199 | */ |
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200 | typedef UInt32 cxiDev32_t; |
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201 | |
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202 | typedef UInt32 cxiTime32_t; /* seconds time type */ |
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203 | typedef UInt32 cxiNSec32_t; /* nanoseconds time type */ |
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204 | typedef unsigned long cxiSize_t; |
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205 | |
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206 | /* File system type within cxiStatfs_t */ |
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207 | typedef struct cxiFsid_t |
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208 | { |
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209 | unsigned long val[2]; |
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210 | } cxiFsid_t; |
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211 | |
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212 | /* Interface structure for gpfsStatfs() */ |
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213 | typedef struct cxiStatfs_t |
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214 | { |
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215 | UInt64 f_blocks; /* total data blocks in file system */ |
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216 | UInt64 f_bfree; /* free block in fs */ |
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217 | UInt64 f_bavail; /* free blocks avail to non-superuser */ |
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218 | int f_bsize; /* optimal file system block size */ |
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219 | int f_files; /* total file nodes in file system */ |
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220 | int f_ffree; /* free file nodes in fs */ |
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221 | cxiFsid_t f_fsid; /* file system id */ |
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222 | int f_fsize; /* fundamental file system block size */ |
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223 | char f_fname[32]; /* file system name (usually mount pt.) */ |
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224 | char f_fpack[32]; /* file system pack name */ |
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225 | int f_name_max; /* maximum component name length for posix */ |
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226 | } cxiStatfs_t; |
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227 | |
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228 | |
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229 | |
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230 | |
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231 | /* l_caller values */ |
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232 | #define L_CALLER_NULL 0 |
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233 | #define L_CALLER_LOCKD 1 |
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234 | |
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235 | /* Advisory record locking interface structure */ |
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236 | typedef long long cxiOff64_t; |
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237 | typedef struct cxiFlock_t |
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238 | { |
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239 | short l_type; |
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240 | short l_whence; |
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241 | unsigned int l_sysid; |
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242 | cxiPid_t l_pid; |
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243 | #ifndef GPFS_LINUX |
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244 | int l_vfs; |
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245 | #else |
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246 | int l_caller; |
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247 | #endif |
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248 | cxiOff64_t l_start; |
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249 | cxiOff64_t l_len; |
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250 | void * l_owner; |
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251 | void * l_file; |
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252 | void * l_lmops; |
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253 | unsigned char l_flags; |
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254 | /* defines for l_flags */ |
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255 | #define FL_RECLAIM 64 /* lock reclaim */ |
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256 | } cxiFlock_t; |
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257 | |
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258 | /* flock l_type constants are OS dependent. When sending F_GETLK |
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259 | * results between nodes, they must be mapped to generic constants |
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260 | * and then back to OS-specific values by the receiving node. |
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261 | */ |
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262 | #define GENERIC_F_RDLCK 1 |
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263 | #define GENERIC_F_WRLCK 2 |
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264 | #define GENERIC_F_UNLCK 3 |
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265 | |
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266 | #define L_TYPE_OUT(lt) \ |
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267 | ((lt) == F_RDLCK)? GENERIC_F_RDLCK: \ |
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268 | ((lt) == F_WRLCK)? GENERIC_F_WRLCK: \ |
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269 | ((lt) == F_UNLCK)? GENERIC_F_UNLCK: lt; \ |
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270 | |
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271 | #define L_TYPE_IN(lt) \ |
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272 | ((lt) == GENERIC_F_RDLCK)? F_RDLCK: \ |
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273 | ((lt) == GENERIC_F_WRLCK)? F_WRLCK: \ |
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274 | ((lt) == GENERIC_F_UNLCK)? F_UNLCK: lt; \ |
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275 | |
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276 | #ifndef GPFS_LINUX |
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277 | #define cxiFlock2Common( cxiCommonP, cxiP ) \ |
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278 | { \ |
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279 | (cxiCommonP)->l_type = L_TYPE_OUT((cxiP)->l_type); \ |
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280 | (cxiCommonP)->l_whence = (cxiP)->l_whence; \ |
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281 | (cxiCommonP)->l_sysid = (cxiP)->l_sysid; \ |
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282 | (cxiCommonP)->l_pid = (cxiPid64_t)(cxiP)->l_pid; \ |
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283 | (cxiCommonP)->l_vfs = (cxiP)->l_vfs; \ |
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284 | (cxiCommonP)->l_start = (cxiP)->l_start; \ |
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285 | (cxiCommonP)->l_len = (cxiP)->l_len; \ |
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286 | (cxiCommonP)->l_owner = (UInt64)(cxiP)->l_owner; \ |
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287 | }; |
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288 | #define cxiCommon2Flock( cxiP, cxiCommonP ) \ |
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289 | { \ |
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290 | (cxiP)->l_type = L_TYPE_IN((cxiCommonP)->l_type); \ |
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291 | (cxiP)->l_whence = (cxiCommonP)->l_whence; \ |
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292 | (cxiP)->l_sysid = (cxiCommonP)->l_sysid; \ |
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293 | (cxiP)->l_pid = (cxiPid_t)(cxiCommonP)->l_pid; \ |
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294 | (cxiP)->l_vfs = (cxiCommonP)->l_vfs; \ |
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295 | (cxiP)->l_start = (cxiCommonP)->l_start; \ |
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296 | (cxiP)->l_len = (cxiCommonP)->l_len; \ |
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297 | (cxiP)->l_owner = (void *)(cxiCommonP)->l_owner; \ |
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298 | }; |
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299 | #else |
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300 | #define cxiFlock2Common( cxiCommonP, cxiP ) \ |
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301 | { \ |
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302 | (cxiCommonP)->l_type = L_TYPE_OUT((cxiP)->l_type); \ |
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303 | (cxiCommonP)->l_whence = (cxiP)->l_whence; \ |
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304 | (cxiCommonP)->l_sysid = (cxiP)->l_sysid; \ |
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305 | (cxiCommonP)->l_pid = (cxiPid64_t)(cxiP)->l_pid; \ |
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306 | (cxiCommonP)->l_caller = (cxiP)->l_caller; \ |
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307 | (cxiCommonP)->l_start = (cxiP)->l_start; \ |
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308 | (cxiCommonP)->l_len = (cxiP)->l_len; \ |
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309 | (cxiCommonP)->l_owner = PTR_TO_UINT64((cxiP)->l_owner); \ |
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310 | }; |
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311 | #define cxiCommon2Flock( cxiP, cxiCommonP ) \ |
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312 | { \ |
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313 | (cxiP)->l_type = L_TYPE_IN((cxiCommonP)->l_type); \ |
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314 | (cxiP)->l_whence = (cxiCommonP)->l_whence; \ |
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315 | (cxiP)->l_sysid = (cxiCommonP)->l_sysid; \ |
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316 | (cxiP)->l_pid = (cxiPid_t)(cxiCommonP)->l_pid; \ |
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317 | (cxiP)->l_caller = (cxiCommonP)->l_caller; \ |
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318 | (cxiP)->l_start = (cxiCommonP)->l_start; \ |
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319 | (cxiP)->l_len = (cxiCommonP)->l_len; \ |
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320 | (cxiP)->l_owner = (void *)(UIntPtr)(cxiCommonP)->l_owner; \ |
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321 | }; |
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322 | #endif /* !GPFS_LINUX */ |
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323 | |
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324 | typedef enum cxiTrace_t |
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325 | { |
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326 | cxiTraceNFS = 0, /* trace linux nfs activity via printk */ |
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327 | cxiTraceNFSoff = 1 /* stop tracing of linux nfs activity */ |
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328 | } cxiTrace_t; |
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329 | |
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330 | |
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331 | /* DMAPI operation context */ |
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332 | typedef enum cxiContext_t |
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333 | { |
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334 | unknownOp = 0, /* invalid or unknown operation type */ |
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335 | vnOp = 1, /* vnode operation */ |
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336 | reservedFileOp = 2, /* quota operation (quota check, asyncRecovery) */ |
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337 | generalOp = 3, /* general (not vnop) operation */ |
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338 | |
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339 | /* must place all non-dm contexts above this line */ |
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340 | /* must place dmOp context on next line, and all other dm contexts after it */ |
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341 | dmOp = 4, /* non-file-related DM operation */ |
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342 | dmOpWithToken = 5, /* File-related DM operation with a DM token */ |
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343 | dmOpWithoutToken = 6, /* File-related DM operation without a token */ |
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344 | dmOpInvalidToken = 7, /* File-related DM operation with an invalid token */ |
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345 | dmOpAccessControl = 8 /* DM operation that acquires/releases access rights */ |
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346 | } cxiContext_t; |
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347 | |
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348 | #define CXI_D_NAME_MAX 255 /* _D_NAME_MAX sys/dir.h */ |
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349 | #define CXI_DEV_BSIZE 512 /* DEV_BSIZE AIX sys/dir.h */ |
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350 | #define CXI_MAXNAMLEN 255 /* MAXNAMLEN AIX sys/dir.h */ |
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351 | #define CXI_MAXPATHLEN 1024 /* MAXPATHLEN AIX sys/param.h */ |
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352 | #define CXI_PATH_MAX 1023 /* PATH_MAX AIX sys/limits.h */ |
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353 | |
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354 | /* This macro verifies if a given operation context is one of DMAPI contexts */ |
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355 | #define IS_DM_CONTEXT(opContext) ((opContext < dmOp) ? false : true) |
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356 | |
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357 | /* Operations supported by gpfsReadWrite */ |
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358 | typedef enum cxiRdWr_t { CXI_READ, CXI_WRITE, CXI_READ_NO_MOVE, |
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359 | CXI_WRITE_NO_MOVE } cxiRdWr_t; |
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360 | |
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361 | /* Forward declarations */ |
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362 | struct gpfsVfsData_t; |
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363 | struct ext_cred_t; |
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364 | |
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365 | /* Macros to convert integers of various sizes from big endian to little |
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366 | endian or vice versa. Do not use these directly; use either the ByteSwapxx |
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367 | routines defined in cxiTypes-plat.h or the BigEndToCPUxx/CPUToBigEndxx |
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368 | macros instead. */ |
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369 | #define _ByteSwap16(d) \ |
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370 | ((UInt16)((((UInt16)(d) >> 8) & 0x00FFU) | \ |
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371 | (((UInt16)(d) << 8) & 0xFF00U))) |
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372 | |
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373 | #define _ByteSwap32(d) \ |
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374 | ((UInt32)((((UInt32)(d) >> 24) & 0x000000FFU) | \ |
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375 | (((UInt32)(d) >> 8) & 0x0000FF00U) | \ |
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376 | (((UInt32)(d) << 8) & 0x00FF0000U) | \ |
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377 | (((UInt32)(d) << 24) & 0xFF000000U))) |
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378 | |
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379 | #define _ByteSwap64(d) \ |
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380 | ((UInt64)((((UInt64)(d) >> 56) & 0x00000000000000FFULL) | \ |
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381 | (((UInt64)(d) >> 40) & 0x000000000000FF00ULL) | \ |
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382 | (((UInt64)(d) >> 24) & 0x0000000000FF0000ULL) | \ |
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383 | (((UInt64)(d) >> 8) & 0x00000000FF000000ULL) | \ |
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384 | (((UInt64)(d) << 8) & 0x000000FF00000000ULL) | \ |
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385 | (((UInt64)(d) << 24) & 0x0000FF0000000000ULL) | \ |
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386 | (((UInt64)(d) << 40) & 0x00FF000000000000ULL) | \ |
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387 | (((UInt64)(d) << 56) & 0xFF00000000000000ULL))) |
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388 | |
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389 | |
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390 | /* Include platform specific types */ |
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391 | #include <cxiTypes-plat.h> |
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392 | |
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393 | /* Macros to be used when switching data from big endian to |
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394 | * the endian-ness of the CPU |
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395 | */ |
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396 | #ifdef GPFS_LITTLE_ENDIAN |
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397 | #define BigEndToCPU16(d) ByteSwap16(d) |
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398 | #define BigEndToCPU32(d) ByteSwap32(d) |
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399 | #define BigEndToCPU64(d) ByteSwap64(d) |
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400 | #define CPUToBigEnd16(d) ByteSwap16(d) |
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401 | #define CPUToBigEnd32(d) ByteSwap32(d) |
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402 | #define CPUToBigEnd64(d) ByteSwap64(d) |
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403 | #else |
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404 | #define BigEndToCPU16(d) (d) |
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405 | #define BigEndToCPU32(d) (d) |
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406 | #define BigEndToCPU64(d) (d) |
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407 | #define CPUToBigEnd16(d) (d) |
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408 | #define CPUToBigEnd32(d) (d) |
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409 | #define CPUToBigEnd64(d) (d) |
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410 | #endif |
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411 | |
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412 | /* Macros to get the endian-ness and word size of this CPU */ |
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413 | #ifdef GPFS_LITTLE_ENDIAN |
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414 | #define NodeBigEndian false |
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415 | #else |
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416 | #define NodeBigEndian true |
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417 | #endif |
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418 | |
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419 | typedef enum { |
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420 | OSTYPE_AIX, |
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421 | OSTYPE_LINUX |
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422 | } OSType; |
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423 | |
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424 | #define ostypeToStr(T) \ |
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425 | (((T) == OSTYPE_AIX) ? "AIX" : \ |
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426 | ((T) == OSTYPE_LINUX ) ? "Linux" : \ |
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427 | "unknown") |
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428 | |
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429 | #ifdef GPFS_LINUX |
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430 | #define NodeOperatingSystem OSTYPE_LINUX |
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431 | #else |
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432 | #define NodeOperatingSystem OSTYPE_AIX |
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433 | #endif |
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434 | |
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435 | #ifdef __64BIT__ |
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436 | #define NodeWordSize 64 |
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437 | #else |
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438 | #define NodeWordSize 32 |
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439 | #endif |
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440 | |
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441 | /* Retrieve the file type from the mode and translate it to cxiNodeType_t */ |
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442 | #define CXIMODE_TO_NODETYPE(M) (modeToNodeType[((M) & S_IFMT) >> 12]) |
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443 | |
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444 | /* Invariant size time structure. */ |
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445 | typedef struct cxiTimeStruc32_t |
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446 | { |
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447 | cxiTime32_t tv_sec; /* seconds */ |
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448 | cxiNSec32_t tv_nsec; /* nanoseconds */ |
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449 | } cxiTimeStruc32_t; |
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450 | |
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451 | /* May be 32/64 bit specific depending on how OS defines |
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452 | * cxiTime_t (cxiTypes-plat.h). On AIX cxiTime_t (time_t) is |
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453 | * an int32long64 and cxiNSec_t (suseconds_t) is a signed int. |
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454 | * Nanoseconds can always be represented within 32 bits, however |
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455 | * on linux it's a long int, which would change size for 64bits. |
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456 | */ |
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457 | typedef struct cxiTimeStruc_t |
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458 | { |
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459 | cxiTime_t tv_sec; /* seconds */ |
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460 | cxiNSec_t tv_nsec; /* nanoseconds */ |
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461 | } cxiTimeStruc_t; |
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462 | |
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463 | /* Must match struct vattr on AIX */ |
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464 | typedef struct cxiVattr_t |
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465 | { |
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466 | int va_type; /* vnode type */ |
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467 | cxiMode_t va_mode; /* access mode */ |
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468 | cxiUid_t va_uid; /* owner uid */ |
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469 | cxiGid_t va_gid; /* owner gid */ |
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470 | union |
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471 | { |
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472 | cxiDev_t _va_dev; /* id of device containing file */ |
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473 | long _va_fsid; /* fs id (dev for now) */ |
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474 | } _vattr_union; |
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475 | cxiInoSys_t va_serialno; /* file serial (inode) number */ |
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476 | short va_nlink; /* number of links */ |
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477 | short va_flags; /* Flags, see below for define */ |
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478 | long va_mask; /* Initial attribute mask */ |
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479 | cxiOff64_t va_size; /* file size in bytes */ |
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480 | long va_blocksize; /* preferred blocksize for io */ |
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481 | long va_blocks; /* kbytes of disk held by file */ |
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482 | |
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483 | /* The following three fields use the 32/64 bit dependent |
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484 | * cxiTimeStruc_t since the AIX vattr structure defines these |
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485 | * with timestruc_t which has time_t field. |
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486 | */ |
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487 | cxiTimeStruc_t va_atime; /* time of last access */ |
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488 | cxiTimeStruc_t va_mtime; /* time of last data modification */ |
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489 | cxiTimeStruc_t va_ctime; /* time of last status change */ |
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490 | cxiDev_t va_rdev; /* id of device */ |
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491 | |
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492 | /* Fields added for compatability with the fullstat structure */ |
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493 | long va_nid; /* unused (node id on AIX) */ |
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494 | int va_chan; /* unused (channel on AIX) */ |
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495 | char *va_acl; /* unused (Access Control List on AIX) */ |
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496 | cxiSize_t va_xinfo; /* Extended info field (defined below) |
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497 | (AIX: cxiSize_t va_aclsiz (size of ACL)) */ |
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498 | int va_gen; /* inode generation number */ |
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499 | } cxiVattr_t; |
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500 | |
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501 | /* Define bit flags for the extended information field */ |
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502 | #define VA_XPERM 0x0001 // file has extended ACL |
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503 | #define VA_XVOL 0x0002 // dir entry was generated and is volatile |
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504 | |
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505 | /* Macros to recognize artificial, unique inode numbers for snapshot link |
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506 | direcories and snapshot root directories. */ |
---|
507 | #define SNAPROOTDIR_EXT_INO_BASE 0xFFFF0000 |
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508 | #define IS_SNAPROOTDIR_EXT_INO(ino) ((UInt32)(ino) > SNAPROOTDIR_EXT_INO_BASE) |
---|
509 | #define IS_SNAPLINKDIR_EXT_INO(ino) ((UInt32)(ino) == SNAPROOTDIR_EXT_INO_BASE) |
---|
510 | #define SNAPROOTDIR_INT_INO (3) |
---|
511 | |
---|
512 | #ifdef va_dev |
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513 | #undef va_dev |
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514 | #endif |
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515 | #ifdef va_fsid |
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516 | #undef va_fsid |
---|
517 | #endif |
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518 | #define va_dev _vattr_union._va_dev |
---|
519 | #define va_fsid _vattr_union._va_fsid |
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520 | |
---|
521 | /* Based on the AIX definition */ |
---|
522 | typedef struct cxiIovec_t |
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523 | { |
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524 | char *iov_base; |
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525 | cxiSize_t iov_len; |
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526 | } cxiIovec_t; |
---|
527 | |
---|
528 | typedef struct cxiErrorLogEntry_t |
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529 | { |
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530 | short logErrorType; /* One of the values #defined below */ |
---|
531 | |
---|
532 | /* Fields common for all types of errors */ |
---|
533 | UInt32 logRecTag; /* Tag to associate related log entries */ |
---|
534 | char *componentName; /* Name of the malfunctioning component */ |
---|
535 | char *componentID; |
---|
536 | char *buildBranch; |
---|
537 | |
---|
538 | /* Fields used by logMoreInfo, logGenIF, logShutdownIF */ |
---|
539 | char *strFileName; /* File in which the error occurred */ |
---|
540 | UInt32 srcLineNumber; /* Line on which the error occurred */ |
---|
541 | Int32 retCode; /* return code value */ |
---|
542 | Int32 reasonCode; /* reason code value */ |
---|
543 | char *dataStr; /* Data dump string */ |
---|
544 | char *failingExpr; /* Expression that evaluates to false */ |
---|
545 | |
---|
546 | /* Fields used by LOGSPECIFIC */ |
---|
547 | UInt32 logTemplID; /* Error log template ID (used in AIX only) */ |
---|
548 | char *formatStr; /* printf-style format string */ |
---|
549 | void *varargPtrPtr; /* Pointer to the variable argument list |
---|
550 | (will be casted to va_list *) */ |
---|
551 | |
---|
552 | char *kernData; /* Used for copying the logRecData field of the logging |
---|
553 | kernel mailbox */ |
---|
554 | int kernDataLength; /* = logRecDataLen */ |
---|
555 | |
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556 | char *moduleVersion; /* Used only for logging from external progsams */ |
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557 | } cxiErrorLogEntry_t; |
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558 | |
---|
559 | #ifdef SMB_LOCKS |
---|
560 | /* Enumeration used to specify whether a file will be read or written. */ |
---|
561 | enum AccessMode |
---|
562 | { |
---|
563 | opAccessNone = 0, |
---|
564 | opAccessRead = 1, |
---|
565 | opAccessWrite = 2 |
---|
566 | }; |
---|
567 | |
---|
568 | /* types of oplocks granted to Samba */ |
---|
569 | enum OplockMode |
---|
570 | { |
---|
571 | smbOplockNone = 0, |
---|
572 | smbOplockShared = 1, |
---|
573 | smbOplockExclusive = 2 |
---|
574 | }; |
---|
575 | |
---|
576 | /* Check whether oplock olm is in conflict with lock access am: |
---|
577 | A conflict exists if one of the two is for write/exlucisve and the |
---|
578 | other one is at least for read/shared. */ |
---|
579 | #define oplockAccessConflict(olm, am) ((int)(olm) + (int)(am) > 2) |
---|
580 | #endif |
---|
581 | |
---|
582 | #ifdef CCL |
---|
583 | /* Types of dentry operations tables that can be requested. */ |
---|
584 | typedef enum DentryOpTableTypes |
---|
585 | { |
---|
586 | DOpNormal, |
---|
587 | DOpOnlyValidIfSamba, |
---|
588 | DOpInvalidIfSamba |
---|
589 | } DentryOpTableTypes; |
---|
590 | #endif |
---|
591 | |
---|
592 | #define LOG_ERR_SPECIFIC 0x1 |
---|
593 | #define LOG_ERR_GENERIC 0x2 |
---|
594 | #define LOG_ERR_MOREINFO 0x3 |
---|
595 | #define LOG_ERR_SHUTDOWN 0x4 |
---|
596 | #define LOG_ERR_TRACEBACK 0x5 |
---|
597 | #define LOG_ERR_SPECIFIC_KERN 0x6 |
---|
598 | |
---|
599 | |
---|
600 | /* Common part of information about an open file */ |
---|
601 | typedef struct cxiVinfo_t |
---|
602 | { |
---|
603 | cBoolean viInUse; /* True if VInfo is in use by an open file */ |
---|
604 | cBoolean disconnected; /* True if the daemon died or a forced unmount or |
---|
605 | SG panic occurred since the file was opened */ |
---|
606 | cBoolean viIsNFS; /* True if this cxiVinfo_t is embedded inside a |
---|
607 | struct NFSData */ |
---|
608 | cBoolean rwPageDone; /* True if paging requests received */ |
---|
609 | } cxiVinfo_t; |
---|
610 | |
---|
611 | |
---|
612 | #ifdef _KERNEL |
---|
613 | #ifdef __cplusplus |
---|
614 | extern "C" { |
---|
615 | #endif |
---|
616 | /* Function pointer for main routine of a kernel process */ |
---|
617 | typedef void (*cxiKProcFunc_t)(void *argP); |
---|
618 | #ifdef __cplusplus |
---|
619 | } |
---|
620 | #endif |
---|
621 | |
---|
622 | /* Interface structure to cxiStartKProc() and cxiStopKProc() */ |
---|
623 | typedef struct cxiKProcData_t |
---|
624 | { |
---|
625 | cxiPid_t pid; /* proc pid (returned) */ |
---|
626 | |
---|
627 | /* protects startStopEvent and kprocEvent transitions */ |
---|
628 | cxiBlockingMutex_t lock; |
---|
629 | |
---|
630 | /* kproc can sleep here */ |
---|
631 | cxiWaitEvent_t kprocEvent; |
---|
632 | |
---|
633 | /* start or stop request should sleep here waiting on pid transition */ |
---|
634 | cxiWaitEvent_t startStopEvent; |
---|
635 | |
---|
636 | int priority; /* process priority of kproc */ |
---|
637 | int kprocFlags; /* flags to pass to kernel thread creation routine */ |
---|
638 | Boolean terminate; /* terminate proc when true */ |
---|
639 | cxiKProcFunc_t func; /* proc function */ |
---|
640 | void *fargP; /* proc function arguments */ |
---|
641 | char *nameP; /* proc name */ |
---|
642 | char *systemP; /* any system data structure associated with process */ |
---|
643 | } cxiKProcData_t; |
---|
644 | |
---|
645 | #define KPROC_FAILED_PID -1 |
---|
646 | #define KPROC_UNASSIGNED_PID -2 |
---|
647 | #define KPROC_RUNNING(KP) ((KP)->pid > 0) |
---|
648 | #endif /* _KERNEL */ |
---|
649 | |
---|
650 | /* Macros to do multiplication, division, and modulo by numbers that |
---|
651 | are probably powers of two. Depending on which define is set, the |
---|
652 | operations can be performed using the built-in operators /, *, and %, |
---|
653 | or using shifts and masks. The _shift parameter of the macros should |
---|
654 | be log base 2 of _divisor or _multiplier, or 0 if _divisor or |
---|
655 | _multiplier is not a power of 2. If POW2_COND_SHIFT is defined, the |
---|
656 | generated code will test _shift for 0, then do either a shift or the |
---|
657 | general operation. If POW2_FORCE_SHIFT is defined, the generated |
---|
658 | code will always use shifts. This requires that the subblock size of |
---|
659 | the file system actually be a power of 2. If neither POW2_COND_SHIFT |
---|
660 | nor POW2_FORCE_SHIFT are defined, the generated code will use the |
---|
661 | general operations (/, *, or %). */ |
---|
662 | #if defined(POW2_FORCE_SHIFT) |
---|
663 | # define MULT_OR_SHIFT(_multiplicand, _multiplier, _shift) \ |
---|
664 | ((_multiplicand)<<(_shift)) |
---|
665 | # define DIV_OR_SHIFT(_dividend, _divisor, _shift) \ |
---|
666 | ((_dividend)>>(_shift)) |
---|
667 | # define MOD_OR_MASK(_dividend, _divisor, _shift) \ |
---|
668 | ((_dividend) & ((1<<(_shift)) - 1)) |
---|
669 | #elif defined(POW2_COND_SHIFT) |
---|
670 | # define MULT_OR_SHIFT(_multiplicand, _multiplier, _shift) \ |
---|
671 | ( ((_shift)!=0) ? \ |
---|
672 | (_multiplicand) << (_shift) : \ |
---|
673 | ((_multiplicand)*(_multiplier)) ) |
---|
674 | # define DIV_OR_SHIFT(_dividend, _divisor, _shift) \ |
---|
675 | ( ((_shift)!=0) ? \ |
---|
676 | (_dividend) >> (_shift) : \ |
---|
677 | ((_dividend)/(_divisor)) ) |
---|
678 | # define MOD_OR_MASK(_dividend, _divisor, _shift) \ |
---|
679 | ( ((_shift)!=0) ? \ |
---|
680 | (_dividend) & ((1<<(_shift)) - 1) : \ |
---|
681 | ((_dividend)%(_divisor)) ) |
---|
682 | #else |
---|
683 | # define MULT_OR_SHIFT(_multiplicand, _multiplier, _shift) \ |
---|
684 | ((_multiplicand)*(_multiplier)) |
---|
685 | # define DIV_OR_SHIFT(_dividend, _divisor, _shift) \ |
---|
686 | ((_dividend)/(_divisor)) |
---|
687 | # define MOD_OR_MASK(_dividend, _divisor, _shift) \ |
---|
688 | ((_dividend)%(_divisor)) |
---|
689 | #endif |
---|
690 | |
---|
691 | /* Memory copy macros that use memcpy when aligned data accesses |
---|
692 | are necessary, and standard pointer typecast copying otherwise. */ |
---|
693 | #ifdef ALIGNED_DATA_ACCESS |
---|
694 | #define MCPY(DEST, SRC, TYPE) memcpy((void*) DEST, (void*) SRC, sizeof(TYPE)); |
---|
695 | #define MCPY_SRCVAR(DEST, SRCVAR, TYPE) memcpy((void*) DEST, (void*) &SRCVAR, sizeof(TYPE)); |
---|
696 | #define MCPY_DESTVAR(DESTVAR, SRC, TYPE) memcpy((void*) &DESTVAR, (void*) SRC, sizeof(TYPE)); |
---|
697 | #define MCPY_VAR(DEST, SRC, TYPE) memcpy((void*) &DEST, (void*) &SRC, sizeof(TYPE)); |
---|
698 | #else |
---|
699 | #define MCPY(DEST, SRC, TYPE) *((TYPE *)DEST) = *((TYPE *)SRC); |
---|
700 | #define MCPY_SRCVAR(DEST, SRCVAR, TYPE) *((TYPE *)DEST) = SRCVAR; |
---|
701 | #define MCPY_DESTVAR(DESTVAR, SRC, TYPE) DESTVAR = *((TYPE *)SRC); |
---|
702 | #define MCPY_VAR(DEST, SRC, TYPE) DEST = SRC; |
---|
703 | #endif /* ALIGNED_DATA_ACCESS */ |
---|
704 | |
---|
705 | /* Flag values for cxiNode_t::icValid: |
---|
706 | Indicates whether inode attributes cached in the osNode (struct inode |
---|
707 | in Linux) are known to be valid. */ |
---|
708 | #define CXI_IC_PERM 0x00000001 /* permission related inode fields (owner, |
---|
709 | mode, acl, etc) are valid */ |
---|
710 | #define CXI_IC_ATTR 0x00000002 /* other inode fields are valid */ |
---|
711 | |
---|
712 | /* combinations of bits defined above: */ |
---|
713 | #define CXI_IC_STAT 0x00000003 /* what needs to be valid for stat() */ |
---|
714 | #define CXI_IC_ALL 0x00000003 /* OR of all flags above */ |
---|
715 | |
---|
716 | typedef Int32 DiskNum_t; |
---|
717 | typedef Int64 SectorNum_t; |
---|
718 | typedef Int32 SectorNumHigh_t; |
---|
719 | typedef UInt32 SectorNumLow_t; |
---|
720 | typedef Int64 BlkNum_t; |
---|
721 | #define DiskSizeInit MAX_INT64 |
---|
722 | |
---|
723 | #ifndef INODENUM_ROOTDIR_FILE |
---|
724 | /* Definition needed in portability layer */ |
---|
725 | #define INODENUM_ROOTDIR_FILE 3 |
---|
726 | #endif |
---|
727 | |
---|
728 | #ifdef GPFS_LINUX |
---|
729 | #define THROWEMPTY throw() |
---|
730 | #else |
---|
731 | #define THROWEMPTY |
---|
732 | #endif |
---|
733 | |
---|
734 | #endif /* _h_cxiTypes */ |
---|