| /**************************************************************************** |
| * |
| * The MIT License (MIT) |
| * |
| * Copyright (c) 2014 - 2020 Vivante Corporation |
| * |
| * 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 THE |
| * AUTHORS OR COPYRIGHT HOLDERS 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. |
| * |
| ***************************************************************************** |
| * |
| * The GPL License (GPL) |
| * |
| * Copyright (C) 2014 - 2020 Vivante Corporation |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * of the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| * |
| ***************************************************************************** |
| * |
| * Note: This software is released under dual MIT and GPL licenses. A |
| * recipient may use this file under the terms of either the MIT license or |
| * GPL License. If you wish to use only one license not the other, you can |
| * indicate your decision by deleting one of the above license notices in your |
| * version of this file. |
| * |
| *****************************************************************************/ |
| |
| |
| #ifndef __gc_hal_shared_vg_h_ |
| #define __gc_hal_shared_vg_h_ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* Command buffer header. */ |
| typedef struct _gcsCMDBUFFER * gcsCMDBUFFER_PTR; |
| typedef struct _gcsCMDBUFFER |
| { |
| /* Pointer to the completion signal. */ |
| gcsCOMPLETION_SIGNAL_PTR completion; |
| |
| /* The user sets this to the node of the container buffer whitin which |
| this particular command buffer resides. The kernel sets this to the |
| node of the internally allocated buffer. */ |
| gcuVIDMEM_NODE_PTR node; |
| |
| /* Command buffer hardware address. */ |
| gctUINT32 address; |
| |
| /* The offset of the buffer from the beginning of the header. */ |
| gctUINT32 bufferOffset; |
| |
| /* Size of the area allocated for the data portion of this particular |
| command buffer (headers and tail reserves are excluded). */ |
| gctUINT32 size; |
| |
| /* Offset into the buffer [0..size]; reflects exactly how much data has |
| been put into the command buffer. */ |
| gctUINT offset; |
| |
| /* The number of command units in the buffer for the hardware to |
| execute. */ |
| gctUINT32 dataCount; |
| |
| /* MANAGED BY : user HAL (gcoBUFFER object). |
| USED BY : user HAL (gcoBUFFER object). |
| Points to the immediate next allocated command buffer. */ |
| gcsCMDBUFFER_PTR nextAllocated; |
| |
| /* MANAGED BY : user layers (HAL and drivers). |
| USED BY : kernel HAL (gcoBUFFER object). |
| Points to the next subbuffer if any. A family of subbuffers are chained |
| together and are meant to be executed inseparably as a unit. Meaning |
| that context switching cannot occur while a chain of subbuffers is being |
| executed. */ |
| gcsCMDBUFFER_PTR nextSubBuffer; |
| } |
| gcsCMDBUFFER; |
| |
| /* Command queue element. */ |
| typedef struct _gcsVGCMDQUEUE |
| { |
| /* Pointer to the command buffer header. */ |
| gcsCMDBUFFER_PTR commandBuffer; |
| |
| /* Dynamic vs. static command buffer state. */ |
| gctBOOL dynamic; |
| } |
| gcsVGCMDQUEUE; |
| |
| /* Context map entry. */ |
| typedef struct _gcsVGCONTEXT_MAP |
| { |
| /* State index. */ |
| gctUINT32 index; |
| |
| /* New state value. */ |
| gctUINT32 data; |
| |
| /* Points to the next entry in the mod list. */ |
| gcsVGCONTEXT_MAP_PTR next; |
| } |
| gcsVGCONTEXT_MAP; |
| |
| /* gcsVGCONTEXT structure that holds the current context. */ |
| typedef struct _gcsVGCONTEXT |
| { |
| /* Context ID. */ |
| gctUINT64 id; |
| |
| /* State caching ebable flag. */ |
| gctBOOL stateCachingEnabled; |
| |
| /* Current pipe. */ |
| gctUINT32 currentPipe; |
| |
| /* State map/mod buffer. */ |
| gctUINT32 mapFirst; |
| gctUINT32 mapLast; |
| gcsVGCONTEXT_MAP_PTR mapContainer; |
| gcsVGCONTEXT_MAP_PTR mapPrev; |
| gcsVGCONTEXT_MAP_PTR mapCurr; |
| gcsVGCONTEXT_MAP_PTR firstPrevMap; |
| gcsVGCONTEXT_MAP_PTR firstCurrMap; |
| |
| /* Main context buffer. */ |
| gcsCMDBUFFER_PTR header; |
| gctUINT32_PTR buffer; |
| |
| /* Completion signal. */ |
| gctHANDLE process; |
| gctSIGNAL signal; |
| |
| #if defined(__QNXNTO__) |
| gctSIGNAL userSignal; |
| gctINT32 coid; |
| gctINT32 rcvid; |
| #endif |
| } |
| gcsVGCONTEXT; |
| |
| /* User space task header. */ |
| typedef struct _gcsTASK * gcsTASK_PTR; |
| typedef struct _gcsTASK |
| { |
| /* Pointer to the next task for the same interrupt in user space. */ |
| gcsTASK_PTR next; |
| |
| /* Size of the task data that immediately follows the structure. */ |
| gctUINT size; |
| |
| /* Task data starts here. */ |
| /* ... */ |
| } |
| gcsTASK; |
| |
| /* User space task master table entry. */ |
| typedef struct _gcsTASK_MASTER_ENTRY * gcsTASK_MASTER_ENTRY_PTR; |
| typedef struct _gcsTASK_MASTER_ENTRY |
| { |
| /* Pointers to the head and to the tail of the task chain. */ |
| gcsTASK_PTR head; |
| gcsTASK_PTR tail; |
| } |
| gcsTASK_MASTER_ENTRY; |
| |
| /* User space task master table entry. */ |
| typedef struct _gcsTASK_MASTER_TABLE |
| { |
| /* Table with one entry per block. */ |
| gcsTASK_MASTER_ENTRY table[gcvBLOCK_COUNT]; |
| |
| /* The total number of tasks sckeduled. */ |
| gctUINT count; |
| |
| /* The total size of event data in bytes. */ |
| gctUINT size; |
| |
| #if defined(__QNXNTO__) |
| gctINT32 coid; |
| gctINT32 rcvid; |
| #endif |
| } |
| gcsTASK_MASTER_TABLE; |
| |
| #ifdef __cplusplus |
| } /* extern "C" */ |
| #endif |
| |
| #endif /* __gc_hal_shared_h_ */ |
| |
| |