1 /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 2 /********************************************************** 3 * Copyright 2007-2015 VMware, Inc. 4 * 5 * Permission is hereby granted, free of charge, to any person 6 * obtaining a copy of this software and associated documentation 7 * files (the "Software"), to deal in the Software without 8 * restriction, including without limitation the rights to use, copy, 9 * modify, merge, publish, distribute, sublicense, and/or sell copies 10 * of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be 14 * included in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 20 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 21 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. 24 * 25 **********************************************************/ 26 27 /* 28 * svga3d_caps.h -- 29 * 30 * Definitions for SVGA3D hardware capabilities. Capabilities 31 * are used to query for optional rendering features during 32 * driver initialization. The capability data is stored as very 33 * basic key/value dictionary within the "FIFO register" memory 34 * area at the beginning of BAR2. 35 * 36 * Note that these definitions are only for 3D capabilities. 37 * The SVGA device also has "device capabilities" and "FIFO 38 * capabilities", which are non-3D-specific and are stored as 39 * bitfields rather than key/value pairs. 40 */ 41 42 #ifndef _SVGA3D_CAPS_H_ 43 #define _SVGA3D_CAPS_H_ 44 45 #define INCLUDE_ALLOW_MODULE 46 #define INCLUDE_ALLOW_USERLEVEL 47 48 #include "includeCheck.h" 49 50 #include "svga_reg.h" 51 52 #define SVGA_FIFO_3D_CAPS_SIZE (SVGA_FIFO_3D_CAPS_LAST - \ 53 SVGA_FIFO_3D_CAPS + 1) 54 55 56 /* 57 * SVGA3dCapsRecordType 58 * 59 * Record types that can be found in the caps block. 60 * Related record types are grouped together numerically so that 61 * SVGA3dCaps_FindRecord() can be applied on a range of record 62 * types. 63 */ 64 65 typedef enum { 66 SVGA3DCAPS_RECORD_UNKNOWN = 0, 67 SVGA3DCAPS_RECORD_DEVCAPS_MIN = 0x100, 68 SVGA3DCAPS_RECORD_DEVCAPS = 0x100, 69 SVGA3DCAPS_RECORD_DEVCAPS_MAX = 0x1ff, 70 } SVGA3dCapsRecordType; 71 72 73 /* 74 * SVGA3dCapsRecordHeader 75 * 76 * Header field leading each caps block record. Contains the offset (in 77 * register words, NOT bytes) to the next caps block record (or the end 78 * of caps block records which will be a zero word) and the record type 79 * as defined above. 80 */ 81 82 typedef 83 #include "vmware_pack_begin.h" 84 struct SVGA3dCapsRecordHeader { 85 uint32 length; 86 SVGA3dCapsRecordType type; 87 } 88 #include "vmware_pack_end.h" 89 SVGA3dCapsRecordHeader; 90 91 92 /* 93 * SVGA3dCapsRecord 94 * 95 * Caps block record; "data" is a placeholder for the actual data structure 96 * contained within the record; 97 */ 98 99 typedef 100 #include "vmware_pack_begin.h" 101 struct SVGA3dCapsRecord { 102 SVGA3dCapsRecordHeader header; 103 uint32 data[1]; 104 } 105 #include "vmware_pack_end.h" 106 SVGA3dCapsRecord; 107 108 109 typedef uint32 SVGA3dCapPair[2]; 110 111 #endif 112