[1] | 1 | /* |
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[626] | 2 | * grdxt.c - Three-levels Generic Radix-tree implementation. |
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[1] | 3 | * |
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[626] | 4 | * authors Alain Greiner (2016,2017,2018,2019)) |
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[1] | 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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[457] | 24 | #include <hal_kernel_types.h> |
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[1] | 25 | #include <hal_special.h> |
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[603] | 26 | #include <hal_remote.h> |
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[1] | 27 | #include <errno.h> |
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| 28 | #include <printk.h> |
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| 29 | #include <kmem.h> |
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| 30 | #include <grdxt.h> |
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| 31 | |
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[635] | 32 | //////////////////////////////////////////////////////////////////////////////////////// |
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| 33 | // Local access functions |
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| 34 | //////////////////////////////////////////////////////////////////////////////////////// |
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| 35 | |
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[1] | 36 | ///////////////////////////////// |
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| 37 | error_t grdxt_init( grdxt_t * rt, |
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| 38 | uint32_t ix1_width, |
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| 39 | uint32_t ix2_width, |
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| 40 | uint32_t ix3_width ) |
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| 41 | { |
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| 42 | void ** root; |
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| 43 | kmem_req_t req; |
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| 44 | |
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| 45 | rt->ix1_width = ix1_width; |
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| 46 | rt->ix2_width = ix2_width; |
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| 47 | rt->ix3_width = ix3_width; |
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| 48 | |
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| 49 | // allocates first level array |
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[635] | 50 | req.type = KMEM_KCM; |
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| 51 | req.order = ix1_width + ( (sizeof(void*) == 4) ? 2 : 3 ); |
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[1] | 52 | req.flags = AF_KERNEL | AF_ZERO; |
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| 53 | root = kmem_alloc( &req ); |
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[635] | 54 | |
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| 55 | if( root == NULL ) |
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| 56 | { |
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| 57 | printk("\n[ERROR] in %s : cannot allocate first level array\n", __FUNCTION__); |
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| 58 | return -1; |
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| 59 | } |
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[1] | 60 | |
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| 61 | rt->root = root; |
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| 62 | |
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| 63 | return 0; |
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| 64 | |
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[603] | 65 | } // end grdxt_init() |
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| 66 | |
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[1] | 67 | ////////////////////////////////// |
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| 68 | void grdxt_destroy( grdxt_t * rt ) |
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| 69 | { |
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| 70 | kmem_req_t req; |
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| 71 | |
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| 72 | uint32_t w1 = rt->ix1_width; |
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| 73 | uint32_t w2 = rt->ix2_width; |
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| 74 | uint32_t w3 = rt->ix3_width; |
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| 75 | |
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| 76 | void ** ptr1 = rt->root; |
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| 77 | void ** ptr2; |
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| 78 | void ** ptr3; |
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| 79 | |
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| 80 | uint32_t ix1; |
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| 81 | uint32_t ix2; |
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[635] | 82 | uint32_t ix3; |
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[1] | 83 | |
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[671] | 84 | assert( __FUNCTION__, (rt != NULL) , "pointer on radix tree is NULL\n" ); |
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[603] | 85 | |
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[473] | 86 | for( ix1=0 ; ix1 < (uint32_t)(1 << w1) ; ix1++ ) |
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[1] | 87 | { |
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| 88 | ptr2 = ptr1[ix1]; |
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| 89 | |
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| 90 | if( ptr2 == NULL ) continue; |
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| 91 | |
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[473] | 92 | for( ix2=0 ; ix2 < (uint32_t)(1 << w2) ; ix2++ ) |
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[1] | 93 | { |
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| 94 | ptr3 = ptr2[ix2]; |
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| 95 | |
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| 96 | if( ptr3 == NULL ) continue; |
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| 97 | |
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[635] | 98 | for( ix3=0 ; ix3 < (uint32_t)(1 << w3) ; ix3++ ) |
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| 99 | { |
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| 100 | if( ptr3[ix3] != NULL ) |
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| 101 | { |
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| 102 | printk("\n[WARNING] in %s : ptr3[%d][%d][%d] non empty\n", |
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| 103 | __FUNCTION__, ix1, ix2, ix3 ); |
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| 104 | } |
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| 105 | } |
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| 106 | |
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[1] | 107 | // release level 3 array |
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[635] | 108 | req.type = KMEM_KCM; |
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[1] | 109 | req.ptr = ptr3; |
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| 110 | kmem_free( &req ); |
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| 111 | } |
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| 112 | |
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| 113 | // release level 2 array |
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[635] | 114 | req.type = KMEM_KCM; |
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[1] | 115 | req.ptr = ptr2; |
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| 116 | kmem_free( &req ); |
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| 117 | } |
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| 118 | |
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| 119 | // release level 1 array |
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[635] | 120 | req.type = KMEM_KCM; |
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[1] | 121 | req.ptr = ptr1; |
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| 122 | kmem_free( &req ); |
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| 123 | |
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| 124 | } // end grdxt_destroy() |
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| 125 | |
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[603] | 126 | //////////////////////////////////// |
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[1] | 127 | error_t grdxt_insert( grdxt_t * rt, |
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| 128 | uint32_t key, |
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| 129 | void * value ) |
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| 130 | { |
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| 131 | kmem_req_t req; |
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| 132 | |
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| 133 | uint32_t w1 = rt->ix1_width; |
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| 134 | uint32_t w2 = rt->ix2_width; |
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| 135 | uint32_t w3 = rt->ix3_width; |
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| 136 | |
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[603] | 137 | // Check key value |
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[671] | 138 | assert( __FUNCTION__, ((key >> (w1 + w2 + w3)) == 0 ), "illegal key value %x\n", key ); |
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[1] | 139 | |
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| 140 | // compute indexes |
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| 141 | uint32_t ix1 = key >> (w2 + w3); // index in level 1 array |
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| 142 | uint32_t ix2 = (key >> w3) & ((1 << w2) -1); // index in level 2 array |
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| 143 | uint32_t ix3 = key & ((1 << w3) - 1); // index in level 3 array |
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| 144 | |
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[635] | 145 | // get ptr1 |
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| 146 | void ** ptr1 = rt->root; |
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[1] | 147 | |
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[635] | 148 | if( ptr1 == NULL ) return -1; |
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| 149 | |
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| 150 | // get ptr2 |
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| 151 | void ** ptr2 = ptr1[ix1]; |
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| 152 | |
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| 153 | // If required, allocate memory for the missing level 2 array |
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| 154 | if( ptr2 == NULL ) |
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[1] | 155 | { |
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| 156 | // allocate memory for level 2 array |
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[635] | 157 | req.type = KMEM_KCM; |
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| 158 | req.order = w2 + ( (sizeof(void*) == 4) ? 2 : 3 ); |
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[1] | 159 | req.flags = AF_KERNEL | AF_ZERO; |
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| 160 | ptr2 = kmem_alloc( &req ); |
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| 161 | |
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[635] | 162 | if( ptr2 == NULL) return -1; |
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| 163 | |
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[1] | 164 | // update level 1 array |
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| 165 | ptr1[ix1] = ptr2; |
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| 166 | } |
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| 167 | |
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[635] | 168 | // get ptr3 |
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| 169 | void ** ptr3 = ptr2[ix2]; |
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| 170 | |
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| 171 | // If required, allocate memory for the missing level 3 array |
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| 172 | if( ptr3 == NULL ) |
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[1] | 173 | { |
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| 174 | // allocate memory for level 3 array |
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[635] | 175 | req.type = KMEM_KCM; |
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| 176 | req.order = w3 + ( (sizeof(void*) == 4) ? 2 : 3 ); |
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[1] | 177 | req.flags = AF_KERNEL | AF_ZERO; |
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| 178 | ptr3 = kmem_alloc( &req ); |
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| 179 | |
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[635] | 180 | if( ptr3 == NULL) return -1; |
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| 181 | |
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[1] | 182 | // update level 3 array |
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| 183 | ptr2[ix2] = ptr3; |
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| 184 | } |
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| 185 | |
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| 186 | // register the value |
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| 187 | ptr3[ix3] = value; |
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[635] | 188 | |
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[124] | 189 | hal_fence(); |
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[1] | 190 | |
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| 191 | return 0; |
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| 192 | |
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[603] | 193 | } // end grdxt_insert() |
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| 194 | |
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[1] | 195 | /////////////////////////////////// |
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| 196 | void * grdxt_remove( grdxt_t * rt, |
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| 197 | uint32_t key ) |
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| 198 | { |
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| 199 | uint32_t w1 = rt->ix1_width; |
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| 200 | uint32_t w2 = rt->ix2_width; |
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| 201 | uint32_t w3 = rt->ix3_width; |
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| 202 | |
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[603] | 203 | // Check key value |
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[671] | 204 | assert( __FUNCTION__, ((key >> (w1 + w2 + w3)) == 0 ), "illegal key value %x\n", key ); |
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[1] | 205 | |
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| 206 | // compute indexes |
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| 207 | uint32_t ix1 = key >> (w2 + w3); // index in level 1 array |
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| 208 | uint32_t ix2 = (key >> w3) & ((1 << w2) -1); // index in level 2 array |
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| 209 | uint32_t ix3 = key & ((1 << w3) - 1); // index in level 3 array |
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| 210 | |
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[635] | 211 | // get ptr1 |
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| 212 | void ** ptr1 = rt->root; |
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[1] | 213 | |
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[635] | 214 | if( ptr1 == NULL ) return NULL; |
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| 215 | |
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[1] | 216 | // get ptr2 |
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[635] | 217 | void ** ptr2 = ptr1[ix1]; |
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| 218 | |
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[1] | 219 | if( ptr2 == NULL ) return NULL; |
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| 220 | |
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| 221 | // get ptr3 |
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[635] | 222 | void ** ptr3 = ptr2[ix2]; |
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| 223 | |
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[1] | 224 | if( ptr3 == NULL ) return NULL; |
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| 225 | |
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| 226 | // get value |
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| 227 | void * value = ptr3[ix3]; |
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| 228 | |
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| 229 | // reset selected slot |
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| 230 | ptr3[ix3] = NULL; |
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[124] | 231 | hal_fence(); |
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[1] | 232 | |
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| 233 | return value; |
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| 234 | |
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[603] | 235 | } // end grdxt_remove() |
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| 236 | |
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[1] | 237 | /////////////////////////////////// |
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| 238 | void * grdxt_lookup( grdxt_t * rt, |
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| 239 | uint32_t key ) |
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| 240 | { |
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| 241 | uint32_t w1 = rt->ix1_width; |
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| 242 | uint32_t w2 = rt->ix2_width; |
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| 243 | uint32_t w3 = rt->ix3_width; |
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| 244 | |
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[603] | 245 | // Check key value |
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[671] | 246 | assert( __FUNCTION__, ((key >> (w1 + w2 + w3)) == 0 ), "illegal key value %x\n", key ); |
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[1] | 247 | |
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| 248 | void ** ptr1 = rt->root; |
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| 249 | void ** ptr2; |
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| 250 | void ** ptr3; |
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| 251 | |
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| 252 | // compute indexes |
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| 253 | uint32_t ix1 = key >> (w2 + w3); // index in level 1 array |
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| 254 | uint32_t ix2 = (key >> w3) & ((1 << w2) -1); // index in level 2 array |
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| 255 | uint32_t ix3 = key & ((1 << w3) - 1); // index in level 3 array |
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| 256 | |
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| 257 | // get ptr2 |
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| 258 | ptr2 = ptr1[ix1]; |
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| 259 | if( ptr2 == NULL ) return NULL; |
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| 260 | |
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| 261 | // get ptr3 |
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| 262 | ptr3 = ptr2[ix2]; |
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| 263 | if( ptr3 == NULL ) return NULL; |
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| 264 | |
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| 265 | // get value |
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| 266 | void * value = ptr3[ix3]; |
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| 267 | |
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| 268 | return value; |
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| 269 | |
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[603] | 270 | } // end grdxt_lookup() |
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| 271 | |
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[635] | 272 | ////////////////////////////////////// |
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| 273 | void * grdxt_get_first( grdxt_t * rt, |
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| 274 | uint32_t start_key, |
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| 275 | uint32_t * found_key ) |
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| 276 | { |
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| 277 | uint32_t ix1; |
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| 278 | uint32_t ix2; |
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| 279 | uint32_t ix3; |
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| 280 | |
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| 281 | uint32_t w1 = rt->ix1_width; |
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| 282 | uint32_t w2 = rt->ix2_width; |
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| 283 | uint32_t w3 = rt->ix3_width; |
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| 284 | |
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| 285 | // Check key value |
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[671] | 286 | assert( __FUNCTION__, ((start_key >> (w1 + w2 + w3)) == 0 ), "illegal key value %x\n", start_key ); |
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[635] | 287 | |
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| 288 | // compute max indexes |
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| 289 | uint32_t max1 = 1 << w1; |
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| 290 | uint32_t max2 = 1 << w2; |
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| 291 | uint32_t max3 = 1 << w3; |
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| 292 | |
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| 293 | // compute min indexes |
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| 294 | uint32_t min1 = start_key >> (w2 + w3); |
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| 295 | uint32_t min2 = (start_key >> w3) & ((1 << w2) -1); |
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| 296 | uint32_t min3 = start_key & ((1 << w3) - 1); |
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| 297 | |
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| 298 | void ** ptr1 = rt->root; |
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| 299 | void ** ptr2; |
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| 300 | void ** ptr3; |
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| 301 | |
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| 302 | for( ix1 = min1 ; ix1 < max1 ; ix1++ ) |
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| 303 | { |
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| 304 | ptr2 = ptr1[ix1]; |
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| 305 | if( ptr2 == NULL ) continue; |
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| 306 | |
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| 307 | for( ix2 = min2 ; ix2 < max2 ; ix2++ ) |
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| 308 | { |
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| 309 | ptr3 = ptr2[ix2]; |
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| 310 | if( ptr3 == NULL ) continue; |
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| 311 | |
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| 312 | for( ix3 = min3 ; ix3 < max3 ; ix3++ ) |
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| 313 | { |
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| 314 | if( ptr3[ix3] == NULL ) continue; |
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| 315 | else |
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| 316 | { |
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[656] | 317 | *found_key = (ix1 << (w2+w3)) | (ix2 << w3) | ix3; |
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[635] | 318 | return ptr3[ix3]; |
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| 319 | } |
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| 320 | } |
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| 321 | } |
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| 322 | } |
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| 323 | |
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| 324 | return NULL; |
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| 325 | |
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| 326 | } // end grdxt_get_first() |
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| 327 | |
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| 328 | |
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| 329 | |
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| 330 | //////////////////////////////////////////////////////////////////////////////////////// |
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| 331 | // Remote access functions |
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| 332 | //////////////////////////////////////////////////////////////////////////////////////// |
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| 333 | |
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[657] | 334 | //////////////////////////////////////////// |
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| 335 | error_t grdxt_remote_init( xptr_t rt_xp, |
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| 336 | uint32_t ix1_width, |
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| 337 | uint32_t ix2_width, |
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| 338 | uint32_t ix3_width ) |
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| 339 | { |
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| 340 | void ** root; |
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| 341 | kmem_req_t req; |
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| 342 | |
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| 343 | // get cluster and local pointer |
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| 344 | cxy_t rt_cxy = GET_CXY( rt_xp ); |
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| 345 | grdxt_t * rt_ptr = GET_PTR( rt_xp ); |
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| 346 | |
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| 347 | // initialize widths |
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| 348 | hal_remote_s32( XPTR( rt_cxy , &rt_ptr->ix1_width ) , ix1_width ); |
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| 349 | hal_remote_s32( XPTR( rt_cxy , &rt_ptr->ix2_width ) , ix2_width ); |
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| 350 | hal_remote_s32( XPTR( rt_cxy , &rt_ptr->ix3_width ) , ix3_width ); |
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| 351 | |
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| 352 | // allocates first level array |
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| 353 | req.type = KMEM_KCM; |
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| 354 | req.order = ix1_width + ( (sizeof(void*) == 4) ? 2 : 3 ); |
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| 355 | req.flags = AF_KERNEL | AF_ZERO; |
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| 356 | root = kmem_remote_alloc( rt_cxy , &req ); |
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| 357 | |
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| 358 | if( root == NULL ) |
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| 359 | { |
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| 360 | printk("\n[ERROR] in %s : cannot allocate first level array\n", __FUNCTION__); |
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| 361 | return -1; |
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| 362 | } |
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| 363 | |
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| 364 | // register first level array in rt descriptor |
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| 365 | hal_remote_spt( XPTR( rt_cxy , &rt_ptr->root ) , root ); |
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| 366 | |
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| 367 | return 0; |
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| 368 | |
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| 369 | } // end grdxt_remote_init() |
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| 370 | |
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| 371 | ////////////////////////////////////////// |
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| 372 | void grdxt_remote_destroy( xptr_t rt_xp ) |
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| 373 | { |
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| 374 | kmem_req_t req; |
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| 375 | |
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| 376 | uint32_t w1; |
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| 377 | uint32_t w2; |
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| 378 | uint32_t w3; |
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| 379 | |
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| 380 | uint32_t ix1; |
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| 381 | uint32_t ix2; |
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| 382 | uint32_t ix3; |
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| 383 | |
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| 384 | void ** ptr1; |
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| 385 | void ** ptr2; |
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| 386 | void ** ptr3; |
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| 387 | |
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| 388 | // get cluster and local pointer |
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| 389 | cxy_t rt_cxy = GET_CXY( rt_xp ); |
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| 390 | grdxt_t * rt_ptr = GET_PTR( rt_xp ); |
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| 391 | |
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| 392 | // get widths |
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| 393 | w1 = hal_remote_l32( XPTR( rt_cxy , &rt_ptr->ix1_width ) ); |
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| 394 | w2 = hal_remote_l32( XPTR( rt_cxy , &rt_ptr->ix2_width ) ); |
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| 395 | w3 = hal_remote_l32( XPTR( rt_cxy , &rt_ptr->ix3_width ) ); |
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| 396 | |
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| 397 | // get ptr1 |
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| 398 | ptr1 = hal_remote_lpt( XPTR( rt_cxy , &rt_ptr->root ) ); |
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| 399 | |
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| 400 | for( ix1=0 ; ix1 < (uint32_t)(1 << w1) ; ix1++ ) |
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| 401 | { |
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| 402 | // get ptr2 |
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| 403 | ptr2 = hal_remote_lpt( XPTR( rt_cxy , &ptr1[ix1] ) ); |
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| 404 | |
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| 405 | if( ptr2 == NULL ) continue; |
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| 406 | |
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| 407 | for( ix2=0 ; ix2 < (uint32_t)(1 << w2) ; ix2++ ) |
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| 408 | { |
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[671] | 409 | // get ptr3 |
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[657] | 410 | ptr3 = hal_remote_lpt( XPTR( rt_cxy , &ptr2[ix2] ) ); |
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| 411 | |
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| 412 | if( ptr3 == NULL ) continue; |
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| 413 | |
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| 414 | for( ix3=0 ; ix3 < (uint32_t)(1 << w3) ; ix3++ ) |
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| 415 | { |
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| 416 | if( ptr3[ix3] != NULL ) |
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| 417 | { |
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| 418 | printk("\n[WARNING] in %s : ptr3[%d][%d][%d] non empty\n", |
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| 419 | __FUNCTION__, ix1, ix2, ix3 ); |
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| 420 | } |
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| 421 | } |
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| 422 | |
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| 423 | // release level 3 array |
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| 424 | req.type = KMEM_KCM; |
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| 425 | req.ptr = ptr3; |
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| 426 | kmem_remote_free( rt_cxy , &req ); |
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| 427 | } |
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| 428 | |
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| 429 | // release level 2 array |
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| 430 | req.type = KMEM_KCM; |
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| 431 | req.ptr = ptr2; |
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| 432 | kmem_remote_free( rt_cxy , &req ); |
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| 433 | } |
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| 434 | |
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| 435 | // release level 1 array |
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| 436 | req.type = KMEM_KCM; |
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| 437 | req.ptr = ptr1; |
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| 438 | kmem_remote_free( rt_cxy , &req ); |
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| 439 | |
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| 440 | } // end grdxt_remote_destroy() |
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| 441 | |
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[635] | 442 | ////////////////////////////////////////////// |
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| 443 | error_t grdxt_remote_insert( xptr_t rt_xp, |
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| 444 | uint32_t key, |
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| 445 | void * value ) |
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| 446 | { |
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| 447 | kmem_req_t req; |
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| 448 | |
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| 449 | // get cluster and local pointer on remote rt descriptor |
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| 450 | cxy_t rt_cxy = GET_CXY( rt_xp ); |
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| 451 | grdxt_t * rt_ptr = GET_PTR( rt_xp ); |
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| 452 | |
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[656] | 453 | #if DEBUG_GRDXT_INSERT |
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| 454 | uint32_t cycle = (uint32_t)hal_get_cycles(); |
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| 455 | if(DEBUG_GRDXT_INSERT < cycle) |
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| 456 | printk("\n[%s] enter / rt_xp (%x,%x) / key %x / value %x\n", |
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| 457 | __FUNCTION__, rt_cxy, rt_ptr, key, (intptr_t)value ); |
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| 458 | #endif |
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| 459 | |
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[635] | 460 | // get widths |
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| 461 | uint32_t w1 = hal_remote_l32( XPTR( rt_cxy , &rt_ptr->ix1_width ) ); |
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| 462 | uint32_t w2 = hal_remote_l32( XPTR( rt_cxy , &rt_ptr->ix2_width ) ); |
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| 463 | uint32_t w3 = hal_remote_l32( XPTR( rt_cxy , &rt_ptr->ix3_width ) ); |
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| 464 | |
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[656] | 465 | #if DEBUG_GRDXT_INSERT |
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| 466 | if(DEBUG_GRDXT_INSERT < cycle) |
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| 467 | printk("\n[%s] get widths : w1 %d / w2 %d / w3 %d\n", |
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| 468 | __FUNCTION__, w1, w2, w3 ); |
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| 469 | #endif |
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| 470 | |
---|
[635] | 471 | // Check key value |
---|
[671] | 472 | assert( __FUNCTION__, ((key >> (w1 + w2 + w3)) == 0 ), "illegal key value %x\n", key ); |
---|
[635] | 473 | |
---|
| 474 | // compute indexes |
---|
| 475 | uint32_t ix1 = key >> (w2 + w3); // index in level 1 array |
---|
| 476 | uint32_t ix2 = (key >> w3) & ((1 << w2) -1); // index in level 2 array |
---|
| 477 | uint32_t ix3 = key & ((1 << w3) - 1); // index in level 3 array |
---|
| 478 | |
---|
[656] | 479 | #if DEBUG_GRDXT_INSERT |
---|
| 480 | if(DEBUG_GRDXT_INSERT < cycle) |
---|
| 481 | printk("\n[%s] compute indexes : ix1 %d / ix2 %d / ix3 %d\n", |
---|
| 482 | __FUNCTION__, ix1, ix2, ix3 ); |
---|
| 483 | #endif |
---|
| 484 | |
---|
[635] | 485 | // get ptr1 |
---|
| 486 | void ** ptr1 = hal_remote_lpt( XPTR( rt_cxy , &rt_ptr->root ) ); |
---|
| 487 | |
---|
| 488 | if( ptr1 == NULL ) return -1; |
---|
| 489 | |
---|
[656] | 490 | #if DEBUG_GRDXT_INSERT |
---|
| 491 | if(DEBUG_GRDXT_INSERT < cycle) |
---|
| 492 | printk("\n[%s] compute ptr1 = %x\n", |
---|
| 493 | __FUNCTION__, (intptr_t)ptr1 ); |
---|
| 494 | #endif |
---|
| 495 | |
---|
[635] | 496 | // get ptr2 |
---|
| 497 | void ** ptr2 = hal_remote_lpt( XPTR( rt_cxy , &ptr1[ix1] ) ); |
---|
| 498 | |
---|
[656] | 499 | #if DEBUG_GRDXT_INSERT |
---|
| 500 | if(DEBUG_GRDXT_INSERT < cycle) |
---|
| 501 | printk("\n[%s] get current ptr2 = %x\n", |
---|
| 502 | __FUNCTION__, (intptr_t)ptr2 ); |
---|
| 503 | #endif |
---|
| 504 | |
---|
[635] | 505 | // allocate memory for the missing level_2 array if required |
---|
| 506 | if( ptr2 == NULL ) |
---|
| 507 | { |
---|
| 508 | // allocate memory in remote cluster |
---|
| 509 | req.type = KMEM_KCM; |
---|
| 510 | req.order = w2 + ((sizeof(void*) == 4) ? 2 : 3 ); |
---|
| 511 | req.flags = AF_ZERO | AF_KERNEL; |
---|
| 512 | ptr2 = kmem_remote_alloc( rt_cxy , &req ); |
---|
| 513 | |
---|
| 514 | if( ptr2 == NULL ) return -1; |
---|
[656] | 515 | |
---|
[635] | 516 | // update level_1 entry |
---|
| 517 | hal_remote_spt( XPTR( rt_cxy , &ptr1[ix1] ) , ptr2 ); |
---|
[656] | 518 | |
---|
| 519 | #if DEBUG_GRDXT_INSERT |
---|
| 520 | if(DEBUG_GRDXT_INSERT < cycle) |
---|
| 521 | printk("\n[%s] update ptr1[%d] : &ptr1[%d] = %x / ptr2 = %x\n", |
---|
| 522 | __FUNCTION__, ix1, ix1, &ptr1[ix1], ptr2 ); |
---|
| 523 | #endif |
---|
| 524 | |
---|
[635] | 525 | } |
---|
| 526 | |
---|
| 527 | // get ptr3 |
---|
| 528 | void ** ptr3 = hal_remote_lpt( XPTR( rt_cxy , &ptr2[ix2] ) ); |
---|
| 529 | |
---|
[656] | 530 | #if DEBUG_GRDXT_INSERT |
---|
| 531 | if(DEBUG_GRDXT_INSERT < cycle) |
---|
| 532 | printk("\n[%s] get current ptr3 = %x\n", |
---|
| 533 | __FUNCTION__, (intptr_t)ptr3 ); |
---|
| 534 | #endif |
---|
| 535 | |
---|
[635] | 536 | // allocate memory for the missing level_3 array if required |
---|
| 537 | if( ptr3 == NULL ) |
---|
| 538 | { |
---|
| 539 | // allocate memory in remote cluster |
---|
| 540 | req.type = KMEM_KCM; |
---|
| 541 | req.order = w3 + ((sizeof(void*) == 4) ? 2 : 3 ); |
---|
| 542 | req.flags = AF_ZERO | AF_KERNEL; |
---|
| 543 | ptr3 = kmem_remote_alloc( rt_cxy , &req ); |
---|
| 544 | |
---|
| 545 | if( ptr3 == NULL ) return -1; |
---|
| 546 | |
---|
| 547 | // update level_2 entry |
---|
| 548 | hal_remote_spt( XPTR( rt_cxy , &ptr2[ix2] ) , ptr3 ); |
---|
[656] | 549 | |
---|
| 550 | #if DEBUG_GRDXT_INSERT |
---|
| 551 | if(DEBUG_GRDXT_INSERT < cycle) |
---|
| 552 | printk("\n[%s] update ptr2[%d] : &ptr2[%d] %x / ptr3 %x\n", |
---|
| 553 | __FUNCTION__, ix2, ix2, &ptr2[ix2], ptr3 ); |
---|
| 554 | #endif |
---|
| 555 | |
---|
[635] | 556 | } |
---|
| 557 | |
---|
| 558 | // register value in level_3 array |
---|
| 559 | hal_remote_spt( XPTR( rt_cxy , &ptr3[ix3] ) , value ); |
---|
| 560 | |
---|
[656] | 561 | #if DEBUG_GRDXT_INSERT |
---|
| 562 | if(DEBUG_GRDXT_INSERT < cycle) |
---|
| 563 | printk("\n[%s] update ptr3[%d] : &ptr3[%d] %x / value %x\n", |
---|
| 564 | __FUNCTION__, ix3, ix3, &ptr3[ix3], value ); |
---|
| 565 | #endif |
---|
| 566 | |
---|
[635] | 567 | hal_fence(); |
---|
| 568 | |
---|
| 569 | return 0; |
---|
| 570 | |
---|
| 571 | } // end grdxt_remote_insert() |
---|
| 572 | |
---|
[603] | 573 | //////////////////////////////////////////// |
---|
[657] | 574 | xptr_t grdxt_remote_remove( xptr_t rt_xp, |
---|
[635] | 575 | uint32_t key ) |
---|
| 576 | { |
---|
| 577 | // get cluster and local pointer on remote rt descriptor |
---|
| 578 | cxy_t rt_cxy = GET_CXY( rt_xp ); |
---|
| 579 | grdxt_t * rt_ptr = GET_PTR( rt_xp ); |
---|
| 580 | |
---|
| 581 | // get widths |
---|
| 582 | uint32_t w1 = hal_remote_l32( XPTR( rt_cxy , &rt_ptr->ix1_width ) ); |
---|
| 583 | uint32_t w2 = hal_remote_l32( XPTR( rt_cxy , &rt_ptr->ix2_width ) ); |
---|
| 584 | uint32_t w3 = hal_remote_l32( XPTR( rt_cxy , &rt_ptr->ix3_width ) ); |
---|
| 585 | |
---|
| 586 | // Check key value |
---|
[671] | 587 | assert( __FUNCTION__, ((key >> (w1 + w2 + w3)) == 0 ), "illegal key value %x\n", key ); |
---|
[635] | 588 | |
---|
| 589 | // compute indexes |
---|
| 590 | uint32_t ix1 = key >> (w2 + w3); // index in level 1 array |
---|
| 591 | uint32_t ix2 = (key >> w3) & ((1 << w2) -1); // index in level 2 array |
---|
| 592 | uint32_t ix3 = key & ((1 << w3) - 1); // index in level 3 array |
---|
| 593 | |
---|
| 594 | // get ptr1 |
---|
| 595 | void ** ptr1 = hal_remote_lpt( XPTR( rt_cxy , &rt_ptr->root ) ); |
---|
| 596 | |
---|
| 597 | // get ptr2 |
---|
| 598 | void ** ptr2 = hal_remote_lpt( XPTR( rt_cxy , &ptr1[ix1] ) ); |
---|
[657] | 599 | if( ptr2 == NULL ) return XPTR_NULL; |
---|
[635] | 600 | |
---|
| 601 | // get ptr3 |
---|
| 602 | void ** ptr3 = hal_remote_lpt( XPTR( rt_cxy , &ptr2[ix2] ) ); |
---|
[657] | 603 | if( ptr3 == NULL ) return XPTR_NULL; |
---|
[635] | 604 | |
---|
| 605 | // get value |
---|
| 606 | void * value = hal_remote_lpt( XPTR( rt_cxy , &ptr3[ix3] ) ); |
---|
| 607 | |
---|
| 608 | // reset selected slot |
---|
| 609 | hal_remote_spt( XPTR( rt_cxy, &ptr3[ix3] ) , NULL ); |
---|
| 610 | hal_fence(); |
---|
| 611 | |
---|
[657] | 612 | return XPTR( rt_cxy , value ); |
---|
[635] | 613 | |
---|
| 614 | } // end grdxt_remote_remove() |
---|
| 615 | |
---|
| 616 | //////////////////////////////////////////// |
---|
[603] | 617 | xptr_t grdxt_remote_lookup( xptr_t rt_xp, |
---|
| 618 | uint32_t key ) |
---|
| 619 | { |
---|
| 620 | // get cluster and local pointer on remote rt descriptor |
---|
| 621 | grdxt_t * rt_ptr = GET_PTR( rt_xp ); |
---|
| 622 | cxy_t rt_cxy = GET_CXY( rt_xp ); |
---|
| 623 | |
---|
| 624 | // get widths |
---|
| 625 | uint32_t w1 = hal_remote_l32( XPTR( rt_cxy , &rt_ptr->ix1_width ) ); |
---|
| 626 | uint32_t w2 = hal_remote_l32( XPTR( rt_cxy , &rt_ptr->ix2_width ) ); |
---|
| 627 | uint32_t w3 = hal_remote_l32( XPTR( rt_cxy , &rt_ptr->ix3_width ) ); |
---|
| 628 | |
---|
| 629 | // Check key value |
---|
[671] | 630 | assert( __FUNCTION__, ((key >> (w1 + w2 + w3)) == 0 ), "illegal key value %x\n", key ); |
---|
[603] | 631 | |
---|
| 632 | // compute indexes |
---|
[657] | 633 | uint32_t ix1 = key >> (w2 + w3); // index in level 1 array |
---|
| 634 | uint32_t ix2 = (key >> w3) & ((1 << w2) -1); // index in level 2 array |
---|
| 635 | uint32_t ix3 = key & ((1 << w3) - 1); // index in level 3 array |
---|
[603] | 636 | |
---|
| 637 | // get ptr1 |
---|
[610] | 638 | void ** ptr1 = hal_remote_lpt( XPTR( rt_cxy , &rt_ptr->root ) ); |
---|
[603] | 639 | |
---|
| 640 | // get ptr2 |
---|
[610] | 641 | void ** ptr2 = hal_remote_lpt( XPTR( rt_cxy , &ptr1[ix1] ) ); |
---|
[603] | 642 | if( ptr2 == NULL ) return XPTR_NULL; |
---|
| 643 | |
---|
| 644 | // get ptr3 |
---|
[610] | 645 | void ** ptr3 = hal_remote_lpt( XPTR( rt_cxy , &ptr2[ix2] ) ); |
---|
[603] | 646 | if( ptr3 == NULL ) return XPTR_NULL; |
---|
| 647 | |
---|
[610] | 648 | // get pointer on registered item |
---|
| 649 | void * item_ptr = hal_remote_lpt( XPTR( rt_cxy , &ptr3[ix3] ) ); |
---|
[603] | 650 | |
---|
[610] | 651 | // return extended pointer on registered item |
---|
| 652 | if ( item_ptr == NULL ) return XPTR_NULL; |
---|
| 653 | else return XPTR( rt_cxy , item_ptr ); |
---|
[603] | 654 | |
---|
| 655 | } // end grdxt_remote_lookup() |
---|
| 656 | |
---|
[657] | 657 | //////////////////////////////////////////////// |
---|
| 658 | xptr_t grdxt_remote_get_first( xptr_t rt_xp, |
---|
| 659 | uint32_t start_key, |
---|
| 660 | uint32_t * found_key ) |
---|
| 661 | { |
---|
| 662 | uint32_t ix1; |
---|
| 663 | uint32_t ix2; |
---|
| 664 | uint32_t ix3; |
---|
| 665 | |
---|
| 666 | void ** ptr1; // local base address of remote first level array |
---|
| 667 | void ** ptr2; // local base address of remote second level array |
---|
| 668 | void ** ptr3; // local base address of remote third level array |
---|
| 669 | |
---|
| 670 | // get cluster and local pointer on remote rt descriptor |
---|
| 671 | grdxt_t * rt_ptr = GET_PTR( rt_xp ); |
---|
| 672 | cxy_t rt_cxy = GET_CXY( rt_xp ); |
---|
| 673 | |
---|
| 674 | // get widths |
---|
| 675 | uint32_t w1 = hal_remote_l32( XPTR( rt_cxy , &rt_ptr->ix1_width ) ); |
---|
| 676 | uint32_t w2 = hal_remote_l32( XPTR( rt_cxy , &rt_ptr->ix2_width ) ); |
---|
| 677 | uint32_t w3 = hal_remote_l32( XPTR( rt_cxy , &rt_ptr->ix3_width ) ); |
---|
| 678 | |
---|
| 679 | // Check key value |
---|
[671] | 680 | assert( __FUNCTION__, ((start_key >> (w1 + w2 + w3)) == 0 ), "illegal key value %x\n", start_key ); |
---|
[657] | 681 | |
---|
| 682 | // compute min indexes |
---|
| 683 | uint32_t min1 = start_key >> (w2 + w3); |
---|
| 684 | uint32_t min2 = (start_key >> w3) & ((1 << w2) -1); |
---|
| 685 | uint32_t min3 = start_key & ((1 << w3) - 1); |
---|
| 686 | |
---|
| 687 | // compute max indexes |
---|
| 688 | uint32_t max1 = 1 << w1; |
---|
| 689 | uint32_t max2 = 1 << w2; |
---|
| 690 | uint32_t max3 = 1 << w3; |
---|
| 691 | |
---|
| 692 | // get ptr1 |
---|
| 693 | ptr1 = hal_remote_lpt( XPTR( rt_cxy , &rt_ptr->root ) ); |
---|
| 694 | |
---|
| 695 | for( ix1 = min1 ; ix1 < max1 ; ix1++ ) |
---|
| 696 | { |
---|
| 697 | ptr2 = hal_remote_lpt( XPTR( rt_cxy , &ptr1[ix1] ) ); |
---|
| 698 | if( ptr2 == NULL ) continue; |
---|
| 699 | |
---|
| 700 | for( ix2 = min2 ; ix2 < max2 ; ix2++ ) |
---|
| 701 | { |
---|
| 702 | ptr3 = hal_remote_lpt( XPTR( rt_cxy , &ptr2[ix2] ) ); |
---|
| 703 | if( ptr3 == NULL ) continue; |
---|
| 704 | |
---|
| 705 | for( ix3 = min3 ; ix3 < max3 ; ix3++ ) |
---|
| 706 | { |
---|
| 707 | void * item = hal_remote_lpt( XPTR( rt_cxy , &ptr3[ix3] ) ); |
---|
| 708 | |
---|
| 709 | if( item == NULL ) continue; |
---|
| 710 | else |
---|
| 711 | { |
---|
| 712 | *found_key = (ix1 << (w2+w3)) | (ix2 << w3) | ix3; |
---|
| 713 | return XPTR( rt_cxy , item ); |
---|
| 714 | } |
---|
| 715 | } |
---|
| 716 | } |
---|
| 717 | } |
---|
| 718 | |
---|
| 719 | return XPTR_NULL; |
---|
| 720 | |
---|
| 721 | } // end grdxt_remote_get_first() |
---|
| 722 | |
---|
[635] | 723 | /////////////////////////i///////////////// |
---|
| 724 | void grdxt_remote_display( xptr_t rt_xp, |
---|
| 725 | char * name ) |
---|
[1] | 726 | { |
---|
[635] | 727 | uint32_t ix1; |
---|
| 728 | uint32_t ix2; |
---|
| 729 | uint32_t ix3; |
---|
[1] | 730 | |
---|
[656] | 731 | void ** ptr1; |
---|
| 732 | void ** ptr2; |
---|
| 733 | void ** ptr3; |
---|
| 734 | |
---|
[635] | 735 | // check rt_xp |
---|
[671] | 736 | assert( __FUNCTION__, (rt_xp != XPTR_NULL) , "pointer on radix tree is NULL\n" ); |
---|
[1] | 737 | |
---|
[635] | 738 | // get cluster and local pointer on remote rt descriptor |
---|
| 739 | grdxt_t * rt_ptr = GET_PTR( rt_xp ); |
---|
| 740 | cxy_t rt_cxy = GET_CXY( rt_xp ); |
---|
[1] | 741 | |
---|
[635] | 742 | // get widths |
---|
| 743 | uint32_t w1 = hal_remote_l32( XPTR( rt_cxy , &rt_ptr->ix1_width ) ); |
---|
| 744 | uint32_t w2 = hal_remote_l32( XPTR( rt_cxy , &rt_ptr->ix2_width ) ); |
---|
| 745 | uint32_t w3 = hal_remote_l32( XPTR( rt_cxy , &rt_ptr->ix3_width ) ); |
---|
[1] | 746 | |
---|
[656] | 747 | ptr1 = hal_remote_lpt( XPTR( rt_cxy , &rt_ptr->root ) ); |
---|
[1] | 748 | |
---|
[635] | 749 | printk("\n***** Generic Radix Tree for <%s>\n", name ); |
---|
[1] | 750 | |
---|
[635] | 751 | for( ix1=0 ; ix1 < (uint32_t)(1<<w1) ; ix1++ ) |
---|
| 752 | { |
---|
[656] | 753 | ptr2 = hal_remote_lpt( XPTR( rt_cxy , &ptr1[ix1] ) ); |
---|
[635] | 754 | if( ptr2 == NULL ) continue; |
---|
| 755 | |
---|
| 756 | for( ix2=0 ; ix2 < (uint32_t)(1<<w2) ; ix2++ ) |
---|
[1] | 757 | { |
---|
[656] | 758 | ptr3 = hal_remote_lpt( XPTR( rt_cxy , &ptr2[ix2] ) ); |
---|
[1] | 759 | if( ptr3 == NULL ) continue; |
---|
| 760 | |
---|
[635] | 761 | for( ix3=0 ; ix3 < (uint32_t)(1<<w3) ; ix3++ ) |
---|
[1] | 762 | { |
---|
[635] | 763 | void * value = hal_remote_lpt( XPTR( rt_cxy , &ptr3[ix3] ) ); |
---|
| 764 | if( value == NULL ) continue; |
---|
| 765 | |
---|
| 766 | uint32_t key = (ix1<<(w2+w3)) + (ix2<<w3) + ix3; |
---|
[656] | 767 | printk(" - key = %x / value = %x / ptr1 = %x / ptr2 = %x / ptr3 = %x\n", |
---|
| 768 | key, (intptr_t)value, (intptr_t)ptr1, (intptr_t)ptr2, (intptr_t)ptr3 ); |
---|
[1] | 769 | } |
---|
| 770 | } |
---|
[635] | 771 | } |
---|
[1] | 772 | |
---|
[635] | 773 | } // end grdxt_remote_display() |
---|
[603] | 774 | |
---|
[635] | 775 | |
---|