1 | /* |
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2 | * xhtab.c - Remote access embedded hash table implementation. |
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3 | * |
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4 | * Author Alain Greiner (2016,2017,2018,2019) |
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5 | * |
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6 | * Copyright (c) UPMC Sorbonne Universites |
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7 | * |
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8 | * This file is part of ALMOS-MKH. |
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9 | * |
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10 | * ALMOS-MKH is free software; you can redistribute it and/or modify it |
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11 | * under the terms of the GNU General Public License as published by |
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12 | * the Free Software Foundation; version 2.0 of the License. |
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13 | * |
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14 | * ALMOS-MKH is distributed in the hope that it will be useful, but |
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15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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17 | * General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU General Public License |
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20 | * along with ALMOS-MKH; if not, write to the Free Software Foundation, |
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21 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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22 | */ |
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23 | |
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24 | #include <kernel_config.h> |
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25 | #include <hal_kernel_types.h> |
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26 | #include <hal_special.h> |
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27 | #include <hal_remote.h> |
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28 | #include <xlist.h> |
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29 | #include <remote_busylock.h> |
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30 | #include <string.h> |
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31 | #include <printk.h> |
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32 | #include <xhtab.h> |
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33 | #include <vfs.h> |
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34 | |
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35 | |
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36 | /////////////////////////////////////////////////////////////////////////////////////////// |
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37 | // Item type specific functions (four functions for each item type). |
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38 | // Example below is for <vfs_dentry_t> where the identifier is the dentry name. |
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39 | /////////////////////////////////////////////////////////////////////////////////////////// |
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40 | |
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41 | /////////////////////////////////////////////////////////////////////////////////////////// |
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42 | // XHTAB_DENTRY_TYPE |
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43 | // This functions compute the hash index from the key, that is the directory entry name. |
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44 | // In this implementation, the index value is simply the ASCII code of the first |
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45 | // character, to provide an approximate lexicographic order. |
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46 | /////////////////////////////////////////////////////////////////////////////////////////// |
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47 | // @ key : local pointer on name. |
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48 | // @ return the index value, from 0 to (HASHTAB_SIZE - 1) |
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49 | /////////////////////////////////////////////////////////////////////////////////////////// |
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50 | static uint32_t xhtab_dentry_index_from_key( void * key ) |
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51 | { |
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52 | char * name = key; |
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53 | |
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54 | return (name[0] % XHASHTAB_SIZE); |
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55 | /* |
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56 | uint32_t index = 0; |
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57 | while( *name ) |
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58 | { |
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59 | index = index + (*(name++) ^ index); |
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60 | } |
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61 | return index % XHASHTAB_SIZE; |
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62 | */ |
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63 | |
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64 | } |
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65 | |
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66 | /////////////////////////////////////////////////////////////////////////////////////////// |
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67 | // XHTAB_DENTRY_TYPE |
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68 | // This functions returns the extended pointer on the item, from the extended pointer |
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69 | // on xlist contained in the item. |
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70 | /////////////////////////////////////////////////////////////////////////////////////////// |
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71 | // @ xlist_xp : extended pointer on embedded xlist entry. |
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72 | // @ return the extended pointer on the dentry containing this xlist entry. |
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73 | /////////////////////////////////////////////////////////////////////////////////////////// |
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74 | static xptr_t xhtab_dentry_item_from_xlist( xptr_t xlist_xp ) |
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75 | { |
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76 | return XLIST_ELEMENT( xlist_xp , vfs_dentry_t , children ); |
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77 | } |
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78 | |
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79 | //////////////////////////////////////////////////////////////////////////////////////////// |
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80 | // XHTAB_DENTRY_TYPE |
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81 | // This function compares the identifier of an item to a given <key>. |
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82 | // it returns true when the directory name matches the name pointed by the <key> argument. |
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83 | //////////////////////////////////////////////////////////////////////////////////////////// |
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84 | // @ item_xp : extended pointer on item. |
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85 | // @ key : pointer on searched item identifier. |
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86 | // returns true if given name matches directory entry name. |
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87 | //////////////////////////////////////////////////////////////////////////////////////////// |
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88 | static bool_t xhtab_dentry_item_match_key( xptr_t item_xp, |
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89 | void * key ) |
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90 | { |
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91 | char name[CONFIG_VFS_MAX_NAME_LENGTH]; |
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92 | |
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93 | // get dentry cluster and local pointer |
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94 | cxy_t dentry_cxy = GET_CXY( item_xp ); |
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95 | vfs_dentry_t * dentry_ptr = GET_PTR( item_xp ); |
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96 | |
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97 | // make a local copy of directory entry name |
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98 | hal_remote_strcpy( XPTR( local_cxy , name ) , |
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99 | XPTR( dentry_cxy , &dentry_ptr->name ) ); |
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100 | |
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101 | return( strcmp( name , (char*)key ) == 0 ); |
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102 | } |
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103 | |
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104 | //////////////////////////////////////////////////////////////////////////////////////////// |
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105 | // XHTAB_DENTRY_TYPE |
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106 | // This function print the item key, that is the name for a vfs_dentry_t. |
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107 | //////////////////////////////////////////////////////////////////////////////////////////// |
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108 | // @ item_xp : extended pointer on item. |
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109 | //////////////////////////////////////////////////////////////////////////////////////////// |
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110 | static void xhtab_dentry_item_print_key( xptr_t item_xp ) |
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111 | { |
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112 | char name[CONFIG_VFS_MAX_NAME_LENGTH]; |
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113 | |
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114 | // get dentry cluster and local pointer |
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115 | cxy_t dentry_cxy = GET_CXY( item_xp ); |
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116 | vfs_dentry_t * dentry_ptr = GET_PTR( item_xp ); |
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117 | |
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118 | // make a local copy of directory entry name |
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119 | hal_remote_strcpy( XPTR( local_cxy , name ) , |
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120 | XPTR( dentry_cxy , &dentry_ptr->name ) ); |
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121 | |
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122 | // print dentry name |
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123 | printk("%s , ", name ); |
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124 | } |
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125 | |
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126 | //////////////////////////////////////////////////////////////////////////////////////// |
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127 | // Generic access functions |
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128 | //////////////////////////////////////////////////////////////////////////////////////// |
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129 | |
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130 | ////////////////////////////////////////// |
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131 | void xhtab_init( xhtab_t * xhtab, |
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132 | xhtab_item_type_t type ) |
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133 | { |
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134 | uint32_t i; |
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135 | |
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136 | // initialize lock |
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137 | remote_busylock_init( XPTR( local_cxy , &xhtab->lock), LOCK_XHTAB_STATE ); |
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138 | |
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139 | xhtab->items = 0; |
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140 | xhtab->current_index = 0; |
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141 | xhtab->current_xlist_xp = XPTR_NULL; |
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142 | |
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143 | if( type == XHTAB_DENTRY_TYPE ) |
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144 | { |
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145 | xhtab->item_match_key = &xhtab_dentry_item_match_key; |
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146 | xhtab->index_from_key = &xhtab_dentry_index_from_key; |
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147 | xhtab->item_from_xlist = &xhtab_dentry_item_from_xlist; |
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148 | xhtab->item_print_key = &xhtab_dentry_item_print_key; |
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149 | } |
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150 | else |
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151 | { |
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152 | assert( false , "illegal item type\n" ); |
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153 | } |
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154 | |
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155 | #if DEBUG_XHTAB |
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156 | printk("\n[%s] for xhtab (%x,%x)\n" |
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157 | " - index_from_key = %x (@ %x)\n" |
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158 | " - item_match_key = %x (@ %x)\n" |
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159 | " - item_from_xlist = %x (@ %x)\n", |
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160 | __FUNCTION__, local_cxy, xhtab, |
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161 | xhtab->index_from_key , &xhtab->index_from_key, |
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162 | xhtab->item_match_key , &xhtab->item_match_key, |
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163 | xhtab->item_from_xlist, &xhtab->item_from_xlist ); |
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164 | #endif |
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165 | |
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166 | for( i=0 ; i < XHASHTAB_SIZE ; i++ ) |
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167 | { |
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168 | xlist_root_init( XPTR( local_cxy , &xhtab->roots[i] ) ); |
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169 | |
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170 | #if (DEBUG_XHTAB & 1) |
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171 | printk("\n - initialize root[%d] / %x\n", i , &xhtab->roots[i] ); |
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172 | #endif |
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173 | |
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174 | } |
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175 | |
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176 | } // end xhtab_init() |
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177 | |
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178 | ///////////////////////////////////////////////////////////////////////////////////////////// |
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179 | // This static function traverse the subset identified by the <index> argument |
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180 | // to find an item identified by the <key> argument. |
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181 | ///////////////////////////////////////////////////////////////////////////////////////////// |
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182 | // @ xhtab_xp : extended pointer on the xhtab descriptor. |
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183 | // @ index : subset index. |
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184 | // @ key : searched key value. |
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185 | // @ return extended pointer on the found item if success / return XPTR_NULL if not found. |
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186 | ///////////////////////////////////////////////////////////////////////////////////////////// |
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187 | static xptr_t xhtab_scan( xptr_t xhtab_xp, |
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188 | uint32_t index, |
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189 | void * key ) |
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190 | { |
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191 | xptr_t xlist_xp; // xlist_entry_t (iterator) |
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192 | xptr_t item_xp; // associated item |
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193 | xhtab_t * xhtab_ptr; // hash table local pointer |
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194 | cxy_t xhtab_cxy; // hash table cluster |
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195 | item_from_xlist_t * item_from_xlist; // function pointer |
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196 | item_match_key_t * item_match_key; // function pointer |
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197 | |
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198 | // get hash table cluster and local pointer |
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199 | xhtab_cxy = GET_CXY( xhtab_xp ); |
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200 | xhtab_ptr = GET_PTR( xhtab_xp ); |
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201 | |
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202 | // get pointer on "item_from_xlist" function |
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203 | item_from_xlist = (item_from_xlist_t *)hal_remote_lpt( XPTR( xhtab_cxy , |
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204 | &xhtab_ptr->item_from_xlist ) ); |
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205 | // get pointer on "item_match_key" function |
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206 | item_match_key = (item_match_key_t *)hal_remote_lpt( XPTR( xhtab_cxy , |
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207 | &xhtab_ptr->item_match_key ) ); |
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208 | |
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209 | // scan sub-list[index] |
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210 | XLIST_FOREACH( XPTR( xhtab_cxy , &xhtab_ptr->roots[index] ) , xlist_xp ) |
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211 | { |
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212 | // get extended pointer on item containing the xlist entry |
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213 | item_xp = item_from_xlist( xlist_xp ); |
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214 | |
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215 | // check matching |
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216 | if( item_match_key( item_xp , key ) ) return item_xp; |
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217 | } |
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218 | |
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219 | // No matching item found |
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220 | return XPTR_NULL; |
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221 | |
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222 | } // end xhtab_scan() |
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223 | |
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224 | /////////////////////////////////////// |
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225 | error_t xhtab_insert( xptr_t xhtab_xp, |
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226 | void * key, |
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227 | xptr_t xlist_xp ) |
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228 | { |
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229 | xptr_t item_xp; |
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230 | uint32_t index; |
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231 | cxy_t xhtab_cxy; |
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232 | xhtab_t * xhtab_ptr; |
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233 | index_from_key_t * index_from_key; // function pointer |
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234 | |
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235 | // get xhtab cluster and local pointer |
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236 | xhtab_cxy = GET_CXY( xhtab_xp ); |
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237 | xhtab_ptr = GET_PTR( xhtab_xp ); |
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238 | |
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239 | #if DEBUG_XHTAB |
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240 | printk("\n[%s] enter / xhtab (%x,%x) / key = <%s> / cycle %d\n", |
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241 | __FUNCTION__, xhtab_cxy, xhtab_ptr, key, (uint32_t)hal_get_cycles() ); |
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242 | #endif |
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243 | |
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244 | // build extended pointer on xhtab lock |
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245 | xptr_t lock_xp = XPTR( xhtab_cxy , &xhtab_ptr->lock ); |
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246 | |
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247 | // get pointer on "index_from_key" function |
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248 | index_from_key = (index_from_key_t *)hal_remote_lpt( XPTR( xhtab_cxy , |
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249 | &xhtab_ptr->index_from_key ) ); |
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250 | #if DEBUG_XHTAB |
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251 | printk("\n[%s] remote = %x / direct = %x / @ = %x\n", |
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252 | __FUNCTION__, index_from_key, xhtab_ptr->index_from_key, &xhtab_ptr->index_from_key ); |
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253 | #endif |
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254 | |
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255 | // compute index from key |
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256 | index = index_from_key( key ); |
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257 | |
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258 | #if DEBUG_XHTAB |
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259 | printk("\n[%s] index = %x\n", __FUNCTION__, index ); |
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260 | #endif |
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261 | |
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262 | // take the lock protecting hash table |
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263 | remote_busylock_acquire( lock_xp ); |
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264 | |
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265 | // search a matching item in subset |
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266 | item_xp = xhtab_scan( xhtab_xp , index , key ); |
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267 | |
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268 | if( item_xp != XPTR_NULL ) // error if item already registered |
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269 | { |
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270 | // release the lock protecting hash table |
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271 | remote_busylock_release( lock_xp ); |
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272 | |
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273 | return -1; |
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274 | } |
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275 | else // insert item if not found |
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276 | { |
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277 | // register item in hash table |
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278 | xlist_add_last( XPTR( xhtab_cxy , &xhtab_ptr->roots[index] ) , xlist_xp ); |
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279 | |
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280 | // update number of registered items |
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281 | hal_remote_atomic_add( XPTR( xhtab_cxy , &xhtab_ptr->items ) , 1 ); |
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282 | |
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283 | // release the lock protecting hash table |
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284 | remote_busylock_release( lock_xp ); |
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285 | |
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286 | #if DEBUG_XHTAB |
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287 | printk("\n[%s] success / <%s>\n", __FUNCTION__, key ); |
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288 | #endif |
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289 | |
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290 | return 0; |
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291 | } |
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292 | } // end xhtab_insert() |
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293 | |
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294 | /////////////////////////////////////// |
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295 | bool_t xhtab_remove( xptr_t xhtab_xp, |
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296 | void * key, |
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297 | xptr_t xlist_entry_xp ) |
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298 | { |
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299 | xptr_t item_xp; |
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300 | uint32_t index; |
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301 | cxy_t xhtab_cxy; |
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302 | xhtab_t * xhtab_ptr; |
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303 | index_from_key_t * index_from_key; // function pointer |
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304 | |
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305 | // get xhtab cluster and local pointer |
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306 | xhtab_cxy = GET_CXY( xhtab_xp ); |
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307 | xhtab_ptr = GET_PTR( xhtab_xp ); |
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308 | |
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309 | // get pointer on "index_from_key" function |
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310 | index_from_key = (index_from_key_t *)hal_remote_lpt( XPTR( xhtab_cxy , |
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311 | &xhtab_ptr->index_from_key ) ); |
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312 | // compute index from key |
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313 | index = index_from_key( key ); |
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314 | |
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315 | // take the lock protecting hash table |
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316 | remote_busylock_acquire( XPTR( xhtab_cxy , &xhtab_ptr->lock ) ); |
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317 | |
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318 | // get extended pointer on item to remove |
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319 | item_xp = xhtab_scan( xhtab_xp , index , key ); |
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320 | |
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321 | if( item_xp == XPTR_NULL ) // return error if not found |
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322 | { |
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323 | // release the lock protecting hash table |
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324 | remote_busylock_release( XPTR( xhtab_cxy , &xhtab_ptr->lock ) ); |
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325 | |
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326 | return false; |
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327 | } |
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328 | else // remove item if found |
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329 | { |
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330 | // remove item from hash table <=> unlink xlist_entry_t |
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331 | xlist_unlink( xlist_entry_xp ); |
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332 | |
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333 | // update number of registered items |
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334 | hal_remote_atomic_add( XPTR( xhtab_cxy , &xhtab_ptr->items ) , -1 ); |
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335 | |
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336 | // release the lock protecting hash table |
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337 | remote_busylock_release( XPTR( xhtab_cxy , &xhtab_ptr->lock ) ); |
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338 | |
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339 | return true; |
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340 | } |
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341 | } // end xhtab_remove() |
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342 | |
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343 | ///////////////////////////////////////// |
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344 | xptr_t xhtab_lookup( xptr_t xhtab_xp, |
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345 | void * key ) |
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346 | { |
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347 | xptr_t item_xp; |
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348 | uint32_t index; |
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349 | cxy_t xhtab_cxy; |
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350 | xhtab_t * xhtab_ptr; |
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351 | index_from_key_t * index_from_key; // function pointer |
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352 | |
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353 | // get xhtab cluster and local pointer |
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354 | xhtab_cxy = GET_CXY( xhtab_xp ); |
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355 | xhtab_ptr = GET_PTR( xhtab_xp ); |
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356 | |
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357 | // get pointer on "index_from_key" function |
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358 | index_from_key = (index_from_key_t *)hal_remote_lpt( XPTR( xhtab_cxy , |
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359 | &xhtab_ptr->index_from_key ) ); |
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360 | // compute index from key |
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361 | index = index_from_key( key ); |
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362 | |
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363 | #if DEBUG_XHTAB |
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364 | printk("\n[%s] enter / %s\n", __FUNCTION__, key ); |
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365 | #endif |
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366 | |
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367 | // take the lock protecting hash table |
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368 | remote_busylock_acquire( XPTR( xhtab_cxy , &xhtab_ptr->lock ) ); |
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369 | |
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370 | #if DEBUG_XHTAB |
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371 | printk("\n[%s] after lock acquire / %s\n", __FUNCTION__, key ); |
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372 | #endif |
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373 | |
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374 | // scan sub-list |
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375 | item_xp = xhtab_scan( xhtab_xp , index , key ); |
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376 | |
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377 | #if DEBUG_XHTAB |
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378 | printk("\n[%s] after xhtab scan / %s\n", __FUNCTION__, key ); |
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379 | #endif |
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380 | |
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381 | // release the lock protecting hash table |
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382 | remote_busylock_release( XPTR( xhtab_cxy , &xhtab_ptr->lock ) ); |
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383 | |
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384 | #if DEBUG_XHTAB |
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385 | printk("\n[%s] after lock release / %s\n", __FUNCTION__, key ); |
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386 | #endif |
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387 | |
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388 | return item_xp; |
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389 | |
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390 | } // end xhtab_lookup() |
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391 | |
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392 | ////////////////////////////////// |
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393 | void xhtab_lock( xptr_t xhtab_xp ) |
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394 | { |
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395 | // get xhtab cluster and local pointer |
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396 | cxy_t xhtab_cxy = GET_CXY( xhtab_xp ); |
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397 | xhtab_t * xhtab_ptr = GET_PTR( xhtab_xp ); |
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398 | |
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399 | // take the lock protecting hash table |
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400 | remote_busylock_acquire( XPTR( xhtab_cxy , &xhtab_ptr->lock ) ); |
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401 | } |
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402 | |
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403 | //////////////////////////////////// |
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404 | void xhtab_unlock( xptr_t xhtab_xp ) |
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405 | { |
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406 | // get xhtab cluster and local pointer |
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407 | cxy_t xhtab_cxy = GET_CXY( xhtab_xp ); |
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408 | xhtab_t * xhtab_ptr = GET_PTR( xhtab_xp ); |
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409 | |
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410 | // release the lock protecting hash table |
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411 | remote_busylock_release( XPTR( xhtab_cxy , &xhtab_ptr->lock ) ); |
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412 | } |
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413 | |
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414 | ///////////////////////////////////////// |
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415 | xptr_t xhtab_get_first( xptr_t xhtab_xp ) |
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416 | { |
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417 | uint32_t index; |
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418 | cxy_t xhtab_cxy; |
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419 | xhtab_t * xhtab_ptr; |
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420 | xptr_t xlist_xp; |
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421 | xptr_t item_xp; |
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422 | xptr_t root_xp; |
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423 | item_from_xlist_t * item_from_xlist; // function pointer |
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424 | |
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425 | // get xhtab cluster and local pointer |
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426 | xhtab_cxy = GET_CXY( xhtab_xp ); |
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427 | xhtab_ptr = GET_PTR( xhtab_xp ); |
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428 | |
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429 | // get pointer on "item_from_xlist" function |
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430 | item_from_xlist = (item_from_xlist_t *)hal_remote_lpt( XPTR( xhtab_cxy , |
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431 | &xhtab_ptr->item_from_xlist ) ); |
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432 | //loop on subsets |
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433 | for( index = 0 ; index < XHASHTAB_SIZE ; index++ ) |
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434 | { |
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435 | // get root of subset |
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436 | root_xp = XPTR( xhtab_cxy , &xhtab_ptr->roots[index] ); |
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437 | |
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438 | // get first item |
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439 | xlist_xp = xlist_next( root_xp , root_xp ); |
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440 | |
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441 | if( xlist_xp != XPTR_NULL ) // first item found |
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442 | { |
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443 | // get extended pointer on item containing the xlist entry |
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444 | item_xp = item_from_xlist( xlist_xp ); |
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445 | |
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446 | // register item in hash table header |
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447 | hal_remote_s32 ( XPTR( xhtab_cxy , &xhtab_ptr->current_index ) , index ); |
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448 | hal_remote_s64( XPTR( xhtab_cxy , &xhtab_ptr->current_xlist_xp ) , xlist_xp ); |
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449 | |
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450 | return item_xp; |
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451 | } |
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452 | } |
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453 | |
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454 | // item not found |
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455 | return XPTR_NULL; |
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456 | |
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457 | } // end xhtab_get_first() |
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458 | |
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459 | //////////////////////////////////////// |
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460 | xptr_t xhtab_get_next( xptr_t xhtab_xp ) |
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461 | { |
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462 | uint32_t index; |
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463 | cxy_t xhtab_cxy; |
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464 | xhtab_t * xhtab_ptr; |
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465 | xptr_t xlist_xp; |
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466 | xptr_t item_xp; |
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467 | xptr_t root_xp; |
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468 | item_from_xlist_t * item_from_xlist; // function pointer |
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469 | |
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470 | uint32_t current_index; |
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471 | xptr_t current_xlist_xp; |
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472 | |
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473 | // get xhtab cluster and local pointer |
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474 | xhtab_cxy = GET_CXY( xhtab_xp ); |
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475 | xhtab_ptr = GET_PTR( xhtab_xp ); |
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476 | |
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477 | // get current item pointers |
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478 | current_index = hal_remote_l32 ( XPTR( xhtab_cxy , &xhtab_ptr->current_index ) ); |
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479 | current_xlist_xp = hal_remote_l64( XPTR( xhtab_cxy , &xhtab_ptr->current_xlist_xp ) ); |
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480 | |
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481 | // get pointer on "item_from_xlist" function |
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482 | item_from_xlist = (item_from_xlist_t *)hal_remote_lpt( XPTR( xhtab_cxy , |
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483 | &xhtab_ptr->item_from_xlist ) ); |
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484 | //loop on subsets |
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485 | for( index = current_index ; index < XHASHTAB_SIZE ; index++ ) |
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486 | { |
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487 | // get root of subset |
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488 | root_xp = XPTR( xhtab_cxy , &xhtab_ptr->roots[index] ); |
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489 | |
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490 | // get next item |
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491 | if( index == current_index ) xlist_xp = xlist_next( root_xp , current_xlist_xp ); |
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492 | else xlist_xp = xlist_next( root_xp , root_xp ); |
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493 | |
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494 | if( xlist_xp != XPTR_NULL ) // next item found |
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495 | { |
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496 | // get extended pointer on item containing the xlist entry |
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497 | item_xp = item_from_xlist( xlist_xp ); |
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498 | |
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499 | // register item in hash table header |
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500 | hal_remote_s32 ( XPTR( xhtab_cxy , &xhtab_ptr->current_index ) , index ); |
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501 | hal_remote_s64( XPTR( xhtab_cxy , &xhtab_ptr->current_xlist_xp ) , xlist_xp ); |
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502 | |
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503 | return item_xp; |
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504 | } |
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505 | } |
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506 | |
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507 | // item not found |
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508 | return XPTR_NULL; |
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509 | |
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510 | } // end xhtab_get_next() |
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511 | |
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512 | ///////////////////////////////////// |
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513 | void xhtab_display( xptr_t xhtab_xp ) |
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514 | { |
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515 | uint32_t index; |
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516 | cxy_t xhtab_cxy; |
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517 | xhtab_t * xhtab_ptr; |
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518 | xptr_t root_xp; |
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519 | xptr_t iter_xp; |
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520 | xptr_t item_xp; |
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521 | item_from_xlist_t * item_from_xlist; // function pointer |
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522 | item_print_key_t * item_print_key; // function pointer |
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523 | |
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524 | // get xhtab cluster and local pointer |
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525 | xhtab_cxy = GET_CXY( xhtab_xp ); |
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526 | xhtab_ptr = GET_PTR( xhtab_xp ); |
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527 | |
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528 | // get pointer on "item_from_xlist" function |
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529 | item_from_xlist = (item_from_xlist_t *)hal_remote_lpt( XPTR( xhtab_cxy , |
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530 | &xhtab_ptr->item_from_xlist ) ); |
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531 | // get pointer on "item_print_key" function |
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532 | item_print_key = (item_print_key_t *)hal_remote_lpt( XPTR( xhtab_cxy , |
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533 | &xhtab_ptr->item_print_key ) ); |
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534 | //loop on subsets |
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535 | for( index = 0 ; index < XHASHTAB_SIZE ; index++ ) |
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536 | { |
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537 | printk(" index = %d : ", index ); |
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538 | |
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539 | // get root of subset |
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540 | root_xp = XPTR( xhtab_cxy , &xhtab_ptr->roots[index] ); |
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541 | |
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542 | // loop on xlist |
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543 | XLIST_FOREACH( root_xp , iter_xp ) |
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544 | { |
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545 | // get item from xlist |
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546 | item_xp = item_from_xlist( iter_xp ); |
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547 | |
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548 | // print item identifier |
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549 | item_print_key( item_xp ); |
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550 | } |
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551 | |
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552 | printk("\n"); |
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553 | } |
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554 | } // end xhtab_display() |
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