| /*************************************************************************/ /*! |
| @File |
| @Title Services external synchronisation checkpoint interface header |
| @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved |
| @Description Defines synchronisation checkpoint structures that are visible |
| internally and externally |
| @License Dual MIT/GPLv2 |
| |
| The contents of this file are subject to the MIT license as set out below. |
| |
| 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. |
| |
| Alternatively, the contents of this file may be used under the terms of |
| the GNU General Public License Version 2 ("GPL") in which case the provisions |
| of GPL are applicable instead of those above. |
| |
| If you wish to allow use of your version of this file only under the terms of |
| GPL, and not to allow others to use your version of this file under the terms |
| of the MIT license, indicate your decision by deleting the provisions above |
| and replace them with the notice and other provisions required by GPL as set |
| out in the file called "GPL-COPYING" included in this distribution. If you do |
| not delete the provisions above, a recipient may use your version of this file |
| under the terms of either the MIT license or GPL. |
| |
| This License is also included in this distribution in the file called |
| "MIT-COPYING". |
| |
| EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) 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; AND (B) IN NO EVENT SHALL THE AUTHORS OR |
| COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
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| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ /**************************************************************************/ |
| |
| #ifndef SYNC_CHECKPOINT_EXTERNAL_H |
| #define SYNC_CHECKPOINT_EXTERNAL_H |
| |
| #include "img_types.h" |
| |
| #ifndef CHECKPOINT_TYPES |
| #define CHECKPOINT_TYPES |
| typedef struct _SYNC_CHECKPOINT_CONTEXT *PSYNC_CHECKPOINT_CONTEXT; |
| |
| typedef struct _SYNC_CHECKPOINT *PSYNC_CHECKPOINT; |
| #endif |
| |
| /* PVRSRV_SYNC_CHECKPOINT states. |
| * The OS native sync implementation should call pfnIsSignalled() to determine if a |
| * PVRSRV_SYNC_CHECKPOINT has signalled (which will return an IMG_BOOL), but can set the |
| * state for a PVRSRV_SYNC_CHECKPOINT (which is currently in the NOT_SIGNALLED state) |
| * where that PVRSRV_SYNC_CHECKPOINT is representing a foreign sync. |
| */ |
| typedef IMG_UINT32 PVRSRV_SYNC_CHECKPOINT_STATE; |
| |
| #define PVRSRV_SYNC_CHECKPOINT_UNDEF 0x000U |
| #define PVRSRV_SYNC_CHECKPOINT_ACTIVE 0xac1U /*!< checkpoint has not signalled */ |
| #define PVRSRV_SYNC_CHECKPOINT_SIGNALLED 0x519U /*!< checkpoint has signalled */ |
| #define PVRSRV_SYNC_CHECKPOINT_ERRORED 0xeffU /*!< checkpoint has been errored */ |
| |
| |
| #define PVRSRV_UFO_IS_SYNC_CHECKPOINT_FWADDR(fwaddr) ((fwaddr) & 0x1U) |
| #define PVRSRV_UFO_IS_SYNC_CHECKPOINT(ufoptr) (PVRSRV_UFO_IS_SYNC_CHECKPOINT_FWADDR((ufoptr)->puiAddrUFO.ui32Addr)) |
| |
| /* Maximum number of sync checkpoints the firmware supports in one fence */ |
| #define MAX_SYNC_CHECKPOINTS_PER_FENCE 32U |
| |
| /*! |
| * Define to be used with SyncCheckpointAlloc() to indicate a checkpoint which |
| * represents a foreign sync point or collection of foreign sync points. |
| */ |
| #define SYNC_CHECKPOINT_FOREIGN_CHECKPOINT ((PVRSRV_TIMELINE) - 2U) |
| |
| #endif /* SYNC_CHECKPOINT_EXTERNAL_H */ |