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