1 /* $NetBSD: svga3d_caps.h,v 1.3 2021/12/18 23:45:45 riastradh Exp $ */ 2 3 /* SPDX-License-Identifier: GPL-2.0 OR MIT */ 4 /********************************************************** 5 * Copyright 2007-2015 VMware, Inc. 6 * 7 * Permission is hereby granted, free of charge, to any person 8 * obtaining a copy of this software and associated documentation 9 * files (the "Software"), to deal in the Software without 10 * restriction, including without limitation the rights to use, copy, 11 * modify, merge, publish, distribute, sublicense, and/or sell copies 12 * of the Software, and to permit persons to whom the Software is 13 * furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice shall be 16 * included in all copies or substantial portions of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 21 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 22 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 23 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 25 * SOFTWARE. 26 * 27 **********************************************************/ 28 29 /* 30 * svga3d_caps.h -- 31 * 32 * Definitions for SVGA3D hardware capabilities. Capabilities 33 * are used to query for optional rendering features during 34 * driver initialization. The capability data is stored as very 35 * basic key/value dictionary within the "FIFO register" memory 36 * area at the beginning of BAR2. 37 * 38 * Note that these definitions are only for 3D capabilities. 39 * The SVGA device also has "device capabilities" and "FIFO 40 * capabilities", which are non-3D-specific and are stored as 41 * bitfields rather than key/value pairs. 42 */ 43 44 #ifndef _SVGA3D_CAPS_H_ 45 #define _SVGA3D_CAPS_H_ 46 47 #define INCLUDE_ALLOW_MODULE 48 #define INCLUDE_ALLOW_USERLEVEL 49 50 #include "includeCheck.h" 51 52 #include "svga_reg.h" 53 54 #define SVGA_FIFO_3D_CAPS_SIZE (SVGA_FIFO_3D_CAPS_LAST - \ 55 SVGA_FIFO_3D_CAPS + 1) 56 57 58 /* 59 * SVGA3dCapsRecordType 60 * 61 * Record types that can be found in the caps block. 62 * Related record types are grouped together numerically so that 63 * SVGA3dCaps_FindRecord() can be applied on a range of record 64 * types. 65 */ 66 67 typedef enum { 68 SVGA3DCAPS_RECORD_UNKNOWN = 0, 69 SVGA3DCAPS_RECORD_DEVCAPS_MIN = 0x100, 70 SVGA3DCAPS_RECORD_DEVCAPS = 0x100, 71 SVGA3DCAPS_RECORD_DEVCAPS_MAX = 0x1ff, 72 } SVGA3dCapsRecordType; 73 74 75 /* 76 * SVGA3dCapsRecordHeader 77 * 78 * Header field leading each caps block record. Contains the offset (in 79 * register words, NOT bytes) to the next caps block record (or the end 80 * of caps block records which will be a zero word) and the record type 81 * as defined above. 82 */ 83 84 typedef 85 #include "vmware_pack_begin.h" 86 struct SVGA3dCapsRecordHeader { 87 uint32 length; 88 SVGA3dCapsRecordType type; 89 } 90 #include "vmware_pack_end.h" 91 SVGA3dCapsRecordHeader; 92 93 94 /* 95 * SVGA3dCapsRecord 96 * 97 * Caps block record; "data" is a placeholder for the actual data structure 98 * contained within the record; 99 */ 100 101 typedef 102 #include "vmware_pack_begin.h" 103 struct SVGA3dCapsRecord { 104 SVGA3dCapsRecordHeader header; 105 uint32 data[1]; 106 } 107 #include "vmware_pack_end.h" 108 SVGA3dCapsRecord; 109 110 111 typedef uint32 SVGA3dCapPair[2]; 112 113 #endif 114