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79 lines
3.8 KiB
C
79 lines
3.8 KiB
C
/*************************************************************************/ /*!
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@File
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@Title Device Memory Management allocation flags for internal Services
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use only
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@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
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@Description This file defines flags used on memory allocations and mappings
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These flags are relevant throughout the memory management
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software stack and are specified by users of services and
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understood by all levels of the memory management in the server
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and in special cases in the client.
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@License Dual MIT/GPLv2
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The contents of this file are subject to the MIT license as set out below.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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Alternatively, the contents of this file may be used under the terms of
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the GNU General Public License Version 2 ("GPL") in which case the provisions
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of GPL are applicable instead of those above.
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If you wish to allow use of your version of this file only under the terms of
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GPL, and not to allow others to use your version of this file under the terms
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of the MIT license, indicate your decision by deleting the provisions above
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and replace them with the notice and other provisions required by GPL as set
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out in the file called "GPL-COPYING" included in this distribution. If you do
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not delete the provisions above, a recipient may use your version of this file
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under the terms of either the MIT license or GPL.
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This License is also included in this distribution in the file called
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"MIT-COPYING".
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EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
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PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/ /**************************************************************************/
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#ifndef PVRSRV_MEMALLOCFLAGS_INTERNAL_H
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#define PVRSRV_MEMALLOCFLAGS_INTERNAL_H
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/*!
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CPU domain. Request uncached memory. This means that any writes to memory
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allocated with this flag are written straight to memory and thus are
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coherent for any device in the system.
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*/
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#define PVRSRV_MEMALLOCFLAG_CPU_UNCACHED (1ULL<<11)
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/*!
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@Description Macro checking whether the PVRSRV_MEMALLOCFLAG_CPU_UNCACHED mode is set.
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@Input uiFlags Allocation flags.
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@Return True if the mode is set, false otherwise
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*/
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#define PVRSRV_CHECK_CPU_UNCACHED(uiFlags) (PVRSRV_CPU_CACHE_MODE(uiFlags) == PVRSRV_MEMALLOCFLAG_CPU_UNCACHED)
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/*!
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* Memory will be uncached on CPU and GPU
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*/
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#define PVRSRV_MEMALLOCFLAG_UNCACHED (PVRSRV_MEMALLOCFLAG_GPU_UNCACHED | PVRSRV_MEMALLOCFLAG_CPU_UNCACHED)
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/*!
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@Description Macro checking whether the PVRSRV_MEMALLOCFLAG_UNCACHED mode is set.
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@Input uiFlags Allocation flags.
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@Return True if the mode is set, false otherwise
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*/
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#define PVRSRV_CHECK_UNCACHED(uiFlags) (PVRSRV_CACHE_MODE(uiFlags) == PVRSRV_MEMALLOCFLAG_UNCACHED)
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#endif /* PVRSRV_MEMALLOCFLAGS_INTERNAL_H */
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