/*************************************************************************/ /*!
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@File
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@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
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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 _HOSTFUNC_
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#define _HOSTFUNC_
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/*****************************************************************************
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Defines
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*****************************************************************************/
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#define HOST_PAGESIZE (4096)
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#define DBG_MEMORY_INITIALIZER (0xe2)
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/*****************************************************************************
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Function prototypes
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*****************************************************************************/
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IMG_UINT32 HostReadRegistryDWORDFromString(IMG_CHAR *pcKey, IMG_CHAR *pcValueName, IMG_UINT32 *pui32Data);
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void * HostPageablePageAlloc(IMG_UINT32 ui32Pages);
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void HostPageablePageFree(void * pvBase);
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void * HostNonPageablePageAlloc(IMG_UINT32 ui32Pages);
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void HostNonPageablePageFree(void * pvBase);
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void * HostMapKrnBufIntoUser(void * pvKrnAddr, IMG_UINT32 ui32Size, void * *ppvMdl);
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void HostUnMapKrnBufFromUser(void * pvUserAddr, void * pvMdl, void * pvProcess);
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void HostCreateRegDeclStreams(void);
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/* Direct macros for Linux to avoid LockDep false-positives from occurring */
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#if defined(LINUX) && defined(__KERNEL__)
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#include <linux/mutex.h>
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#include <linux/slab.h>
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#define HostCreateMutex(void) ({ \
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struct mutex* pMutex = NULL; \
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pMutex = kmalloc(sizeof(struct mutex), GFP_KERNEL); \
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if (pMutex) { mutex_init(pMutex); }; \
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pMutex;})
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#define HostDestroyMutex(hLock) ({mutex_destroy((hLock)); kfree((hLock)); PVRSRV_OK;})
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#define HostAquireMutex(hLock) ({mutex_lock((hLock)); PVRSRV_OK;})
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#define HostReleaseMutex(hLock) ({mutex_unlock((hLock)); PVRSRV_OK;})
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#else /* defined(LINUX) && defined(__KERNEL__) */
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void * HostCreateMutex(void);
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void HostAquireMutex(void * pvMutex);
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void HostReleaseMutex(void * pvMutex);
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void HostDestroyMutex(void * pvMutex);
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#endif
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#if defined(SUPPORT_DBGDRV_EVENT_OBJECTS)
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IMG_INT32 HostCreateEventObjects(void);
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void HostWaitForEvent(DBG_EVENT eEvent);
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void HostSignalEvent(DBG_EVENT eEvent);
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void HostDestroyEventObjects(void);
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#endif /*defined(SUPPORT_DBGDRV_EVENT_OBJECTS) */
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#endif
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/*****************************************************************************
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End of file (HOSTFUNC.H)
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*****************************************************************************/
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