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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 | /* sis_ds.h -- Private header for Direct Rendering Manager -*- linux-c -*- * Created: Mon Jan 4 10:05:05 1999 by sclin@sis.com.tw * * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan. * All rights reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Authors: * Sung-Ching Lin <sclin@sis.com.tw> * */ #ifndef _sis_ds_h_ #define _sis_ds_h_ /* Set Data Structure */ #define SET_SIZE 5000 #define MALLOC(s) kmalloc(s, GFP_KERNEL) #define FREE(s) kfree(s) typedef unsigned int ITEM_TYPE; typedef struct { ITEM_TYPE val; int alloc_next, free_next; } list_item_t; typedef struct { int alloc; int free; int trace; list_item_t list[SET_SIZE]; } set_t; set_t *setInit(void); int setAdd(set_t *set, ITEM_TYPE item); int setDel(set_t *set, ITEM_TYPE item); int setFirst(set_t *set, ITEM_TYPE *item); int setNext(set_t *set, ITEM_TYPE *item); int setDestroy(set_t *set); #endif /* * GLX Hardware Device Driver common code * Copyright (C) 1999 Keith Whitwell * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */ #ifndef MM_INC #define MM_INC struct mem_block_t { struct mem_block_t *next; struct mem_block_t *heap; int ofs,size; int align; int free:1; int reserved:1; }; typedef struct mem_block_t TMemBlock; typedef struct mem_block_t *PMemBlock; /* a heap is just the first block in a chain */ typedef struct mem_block_t memHeap_t; static __inline__ int mmBlockSize(PMemBlock b) { return b->size; } static __inline__ int mmOffset(PMemBlock b) { return b->ofs; } static __inline__ void mmMarkReserved(PMemBlock b) { b->reserved = 1; } /* * input: total size in bytes * return: a heap pointer if OK, NULL if error */ memHeap_t *mmInit( int ofs, int size ); memHeap_t *mmAddRange( memHeap_t *heap, int ofs, int size ); /* * Allocate 'size' bytes with 2^align2 bytes alignment, * restrict the search to free memory after 'startSearch' * depth and back buffers should be in different 4mb banks * to get better page hits if possible * input: size = size of block * align2 = 2^align2 bytes alignment * startSearch = linear offset from start of heap to begin search * return: pointer to the allocated block, 0 if error */ PMemBlock mmAllocMem( memHeap_t *heap, int size, int align2, int startSearch ); /* * Free block starts at offset * input: pointer to a block * return: 0 if OK, -1 if error */ int mmFreeMem( PMemBlock b ); /* * Reserve 'size' bytes block start at offset * This is used to prevent allocation of memory already used * by the X server for the front buffer, pixmaps, and cursor * input: size, offset * output: 0 if OK, -1 if error */ int mmReserveMem( memHeap_t *heap, int offset,int size ); int mmFreeReserved( memHeap_t *heap, int offset ); /* * destroy MM */ void mmDestroy( memHeap_t *mmInit ); /* For debuging purpose. */ void mmDumpMemInfo( memHeap_t *mmInit ); #endif |