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7490a94de216328f69fc9ee6f85146980a752017
linux/drivers/gpu/rogue/services/shared/common/devicemem.c
zxl a51137cdc7 RK3368 GPU version: Rogue L 0.22 
merge 1.4_ED3632227 DDK code.
2015-08-17 14:12:00 +08:00

1979 lines
52 KiB
C
Executable File
Raw Blame History

/*************************************************************************/ /*!
@File
@Title Device Memory Management
@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
@Description Front End (nominally Client side part, but now invokable
from server too) of device memory management
@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
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.
*/ /**************************************************************************/
#include "devicemem.h"
#include "img_types.h"
#include "pvr_debug.h"
#include "pvrsrv_error.h"
#include "allocmem.h"
#include "ra.h"
#include "osfunc.h"
#include "devicemem_mmap.h"
#include "devicemem_utils.h"
#include "client_mm_bridge.h"
#if defined(PDUMP)
#include "devicemem_pdump.h"
#endif
#if defined(PVR_RI_DEBUG)
#include "client_ri_bridge.h"
#endif
#if defined(SUPPORT_PAGE_FAULT_DEBUG)
#include "client_devicememhistory_bridge.h"
#endif
#if defined(__KERNEL__)
#include "pvrsrv.h"
#if defined(LINUX)
#include "linux/kernel.h"
#endif
#endif
/* Storing the page size here so we do not have to hard code it in the code anymore
Should be initialised to the correct value at driver init time.
Use macros from devicemem.h to access from outside.
*/
IMG_UINT32 g_uiLog2PageSize = 0;
static PVRSRV_ERROR
_Mapping_Export(DEVMEM_IMPORT *psImport,
DEVMEM_EXPORTHANDLE *phPMRExportHandlePtr,
DEVMEM_EXPORTKEY *puiExportKeyPtr,
DEVMEM_SIZE_T *puiSize,
DEVMEM_LOG2ALIGN_T *puiLog2Contig)
{
/* Gets an export handle and key for the PMR used for this mapping */
/* Can only be done if there are no suballocations for this mapping */
PVRSRV_ERROR eError;
DEVMEM_EXPORTHANDLE hPMRExportHandle;
DEVMEM_EXPORTKEY uiExportKey;
IMG_DEVMEM_SIZE_T uiSize;
IMG_DEVMEM_LOG2ALIGN_T uiLog2Contig;
if (psImport == IMG_NULL)
{
eError = PVRSRV_ERROR_INVALID_PARAMS;
goto failParams;
}
if (!psImport->bExportable)
{
eError = PVRSRV_ERROR_DEVICEMEM_CANT_EXPORT_SUBALLOCATION;
goto failParams;
}
eError = BridgePMRExportPMR(psImport->hBridge,
psImport->hPMR,
&hPMRExportHandle,
&uiSize,
&uiLog2Contig,
&uiExportKey);
if (eError != PVRSRV_OK)
{
goto failExport;
}
PVR_ASSERT(uiSize == psImport->uiSize);
*phPMRExportHandlePtr = hPMRExportHandle;
*puiExportKeyPtr = uiExportKey;
*puiSize = uiSize;
*puiLog2Contig = uiLog2Contig;
return PVRSRV_OK;
/*
error exit paths follow
*/
failExport:
failParams:
PVR_ASSERT(eError != PVRSRV_OK);
return eError;
}
static IMG_VOID
_Mapping_Unexport(DEVMEM_IMPORT *psImport,
DEVMEM_EXPORTHANDLE hPMRExportHandle)
{
PVRSRV_ERROR eError;
PVR_ASSERT (psImport != IMG_NULL);
eError = BridgePMRUnexportPMR(psImport->hBridge,
hPMRExportHandle);
PVR_ASSERT(eError == PVRSRV_OK);
}
/*****************************************************************************
* Sub allocation internals *
*****************************************************************************/
static PVRSRV_ERROR
_AllocateDeviceMemory(IMG_HANDLE hBridge,
IMG_HANDLE hDeviceNode,
IMG_UINT32 uiLog2Quantum,
IMG_DEVMEM_SIZE_T uiSize,
IMG_DEVMEM_SIZE_T uiChunkSize,
IMG_UINT32 ui32NumPhysChunks,
IMG_UINT32 ui32NumVirtChunks,
IMG_BOOL *pabMappingTable,
IMG_DEVMEM_ALIGN_T uiAlign,
DEVMEM_FLAGS_T uiFlags,
IMG_BOOL bExportable,
DEVMEM_IMPORT **ppsImport)
{
DEVMEM_IMPORT *psImport;
DEVMEM_FLAGS_T uiPMRFlags;
IMG_HANDLE hPMR;
PVRSRV_ERROR eError;
eError = _DevmemImportStructAlloc(hBridge,
bExportable,
&psImport);
if (eError != PVRSRV_OK)
{
goto failAlloc;
}
/* Check the size is a multiple of the quantum */
PVR_ASSERT((uiSize & ((1ULL<<uiLog2Quantum)-1)) == 0);
/* Pass only the PMR flags down */
uiPMRFlags = uiFlags & PVRSRV_MEMALLOCFLAGS_PMRFLAGSMASK;
eError = BridgePhysmemNewRamBackedPMR(hBridge,
hDeviceNode,
uiSize,
uiChunkSize,
ui32NumPhysChunks,
ui32NumVirtChunks,
pabMappingTable,
uiLog2Quantum,
uiPMRFlags,
&hPMR);
if (eError != PVRSRV_OK)
{
/* Our check above should have ensured this the "not page
multiple" error never happens */
PVR_ASSERT(eError != PVRSRV_ERROR_PMR_NOT_PAGE_MULTIPLE);
goto failPMR;
}
_DevmemImportStructInit(psImport,
uiSize,
uiAlign,
uiFlags,
hPMR);
*ppsImport = psImport;
return PVRSRV_OK;
failPMR:
_DevmemImportDiscard(psImport);
failAlloc:
PVR_ASSERT(eError != PVRSRV_OK);
return eError;
}
static IMG_VOID
_FreeDeviceMemory(DEVMEM_IMPORT *psImport)
{
_DevmemImportStructRelease(psImport);
}
static IMG_BOOL
_SubAllocImportAlloc(RA_PERARENA_HANDLE hArena,
RA_LENGTH_T uiSize,
RA_FLAGS_T _flags,
/* returned data */
RA_BASE_T *puiBase,
RA_LENGTH_T *puiActualSize,
RA_PERISPAN_HANDLE *phImport)
{
/* When suballocations need a new lump of memory, the RA calls
back here. Later, in the kernel, we must construct a new PMR
and a pairing between the new lump of virtual memory and the
PMR (whether or not such PMR is backed by physical memory) */
DEVMEM_HEAP *psHeap;
DEVMEM_IMPORT *psImport;
IMG_DEVMEM_ALIGN_T uiAlign;
DEVMEM_FLAGS_T uiFlags;
PVRSRV_ERROR eError;
IMG_BOOL bMappingTable = IMG_TRUE;
uiFlags = (DEVMEM_FLAGS_T) _flags;
/* Per-arena private handle is, for us, the heap */
psHeap = hArena;
/* align to the l.s.b. of the size... e.g. 96kiB aligned to
32kiB. NB: There is an argument to say that the RA should never
ask us for Non-power-of-2 size anyway, but I don't want to make
that restriction arbitrarily now */
uiAlign = uiSize & ~(uiSize-1);
/* The RA should not have invoked us with a size that is not a
multiple of the quantum anyway */
PVR_ASSERT((uiSize & ((1ULL<<psHeap->uiLog2Quantum)-1)) == 0);
eError = _AllocateDeviceMemory(psHeap->psCtx->hBridge,
psHeap->psCtx->hDeviceNode,
psHeap->uiLog2Quantum,
uiSize,
uiSize,
1,
1,
&bMappingTable,
uiAlign,
uiFlags,
IMG_FALSE,
&psImport);
if (eError != PVRSRV_OK)
{
goto failAlloc;
}
#if defined(PVR_RI_DEBUG)
{
eError = BridgeRIWritePMREntry (psImport->hBridge,
psImport->hPMR,
sizeof("PMR sub-allocated"),
"PMR sub-allocated",
psImport->uiSize);
if( eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR, "%s: call to BridgeRIWritePMREntry failed (eError=%d)", __func__, eError));
}
}
#endif
/*
Suballocations always get mapped into the device was we need to
key the RA off something and as we can't export suballocations
there is no valid reason to request an allocation an not map it
*/
eError = _DevmemImportStructDevMap(psHeap,
IMG_TRUE,
psImport);
if (eError != PVRSRV_OK)
{
goto failMap;
}
*puiBase = psImport->sDeviceImport.sDevVAddr.uiAddr;
*puiActualSize = uiSize;
*phImport = psImport;
return IMG_TRUE;
/*
error exit paths follow
*/
failMap:
_FreeDeviceMemory(psImport);
failAlloc:
return IMG_FALSE;
}
static IMG_VOID
_SubAllocImportFree(RA_PERARENA_HANDLE hArena,
RA_BASE_T uiBase,
RA_PERISPAN_HANDLE hImport)
{
DEVMEM_IMPORT *psImport = hImport;
PVR_ASSERT(psImport != IMG_NULL);
PVR_ASSERT(hArena == psImport->sDeviceImport.psHeap);
PVR_ASSERT(uiBase == psImport->sDeviceImport.sDevVAddr.uiAddr);
_DevmemImportStructDevUnmap(psImport);
_DevmemImportStructRelease(psImport);
}
/*****************************************************************************
* Devmem context internals *
*****************************************************************************/
static PVRSRV_ERROR
_PopulateContextFromBlueprint(struct _DEVMEM_CONTEXT_ *psCtx,
IMG_HANDLE hDeviceNode,
DEVMEM_HEAPCFGID uiHeapBlueprintID)
{
PVRSRV_ERROR eError;
PVRSRV_ERROR eError2;
struct _DEVMEM_HEAP_ **ppsHeapArray;
IMG_UINT32 uiNumHeaps;
IMG_UINT32 uiHeapsToUnwindOnError;
IMG_UINT32 uiHeapIndex;
IMG_DEV_VIRTADDR sDevVAddrBase;
IMG_CHAR aszHeapName[DEVMEM_HEAPNAME_MAXLENGTH];
IMG_DEVMEM_SIZE_T uiHeapLength;
IMG_DEVMEM_LOG2ALIGN_T uiLog2DataPageSize;
eError = DevmemHeapCount(psCtx->hBridge,
hDeviceNode,
uiHeapBlueprintID,
&uiNumHeaps);
if (eError != PVRSRV_OK)
{
goto e0;
}
if (uiNumHeaps == 0)
{
ppsHeapArray = IMG_NULL;
}
else
{
ppsHeapArray = OSAllocMem(sizeof(*ppsHeapArray) * uiNumHeaps);
if (ppsHeapArray == IMG_NULL)
{
eError = PVRSRV_ERROR_OUT_OF_MEMORY;
goto e0;
}
}
uiHeapsToUnwindOnError = 0;
for (uiHeapIndex = 0; uiHeapIndex < uiNumHeaps; uiHeapIndex++)
{
eError = DevmemHeapDetails(psCtx->hBridge,
hDeviceNode,
uiHeapBlueprintID,
uiHeapIndex,
&aszHeapName[0],
sizeof(aszHeapName),
&sDevVAddrBase,
&uiHeapLength,
&uiLog2DataPageSize);
if (eError != PVRSRV_OK)
{
goto e1;
}
eError = DevmemCreateHeap(psCtx,
sDevVAddrBase,
uiHeapLength,
uiLog2DataPageSize,
aszHeapName,
&ppsHeapArray[uiHeapIndex]);
if (eError != PVRSRV_OK)
{
goto e1;
}
uiHeapsToUnwindOnError = uiHeapIndex + 1;
}
psCtx->uiAutoHeapCount = uiNumHeaps;
psCtx->ppsAutoHeapArray = ppsHeapArray;
PVR_ASSERT(psCtx->uiNumHeaps >= psCtx->uiAutoHeapCount);
PVR_ASSERT(psCtx->uiAutoHeapCount == uiNumHeaps);
return PVRSRV_OK;
/*
error exit paths
*/
e1:
for (uiHeapIndex = 0; uiHeapIndex < uiHeapsToUnwindOnError; uiHeapIndex++)
{
eError2 = DevmemDestroyHeap(ppsHeapArray[uiHeapIndex]);
PVR_ASSERT(eError2 == PVRSRV_OK);
}
if (uiNumHeaps != 0)
{
OSFreeMem(ppsHeapArray);
}
e0:
PVR_ASSERT(eError != PVRSRV_OK);
return eError;
}
static IMG_VOID
_UnpopulateContextFromBlueprint(struct _DEVMEM_CONTEXT_ *psCtx)
{
PVRSRV_ERROR eError2;
IMG_UINT32 uiHeapIndex;
IMG_BOOL bDoCheck = IMG_TRUE;
#if defined(__KERNEL__)
PVRSRV_DATA *psPVRSRVData = PVRSRVGetPVRSRVData();
if (psPVRSRVData->eServicesState != PVRSRV_SERVICES_STATE_OK)
{
bDoCheck = IMG_FALSE;
}
#endif
PVR_ASSERT(psCtx->uiNumHeaps >= psCtx->uiAutoHeapCount);
for (uiHeapIndex = 0; uiHeapIndex < psCtx->uiAutoHeapCount; uiHeapIndex++)
{
eError2 = DevmemDestroyHeap(psCtx->ppsAutoHeapArray[uiHeapIndex]);
if (bDoCheck)
{
PVR_ASSERT(eError2 == PVRSRV_OK);
}
}
if (psCtx->uiAutoHeapCount != 0)
{
OSFreeMem(psCtx->ppsAutoHeapArray);
psCtx->ppsAutoHeapArray = IMG_NULL;
}
psCtx->uiAutoHeapCount = 0;
PVR_ASSERT(psCtx->uiAutoHeapCount == 0);
PVR_ASSERT(psCtx->ppsAutoHeapArray == IMG_NULL);
}
/*****************************************************************************
* Devmem context functions *
*****************************************************************************/
IMG_INTERNAL PVRSRV_ERROR
DevmemCreateContext(DEVMEM_BRIDGE_HANDLE hBridge,
IMG_HANDLE hDeviceNode,
DEVMEM_HEAPCFGID uiHeapBlueprintID,
DEVMEM_CONTEXT **ppsCtxPtr)
{
PVRSRV_ERROR eError;
DEVMEM_CONTEXT *psCtx;
/* handle to the server-side counterpart of the device memory
context (specifically, for handling mapping to device MMU) */
IMG_HANDLE hDevMemServerContext;
IMG_HANDLE hPrivData;
if (ppsCtxPtr == IMG_NULL)
{
eError = PVRSRV_ERROR_INVALID_PARAMS;
goto e0;
}
psCtx = OSAllocMem(sizeof *psCtx);
if (psCtx == IMG_NULL)
{
eError = PVRSRV_ERROR_OUT_OF_MEMORY;
goto e0;
}
psCtx->uiNumHeaps = 0;
psCtx->hBridge = hBridge;
/* Create (server-side) Device Memory context */
eError = BridgeDevmemIntCtxCreate(psCtx->hBridge,
hDeviceNode,
&hDevMemServerContext,
&hPrivData);
if (eError != PVRSRV_OK)
{
goto e1;
}
psCtx->hDeviceNode = hDeviceNode;
psCtx->hDevMemServerContext = hDevMemServerContext;
psCtx->hPrivData = hPrivData;
/* automagic heap creation */
psCtx->uiAutoHeapCount = 0;
eError = _PopulateContextFromBlueprint(psCtx, hDeviceNode, uiHeapBlueprintID);
if (eError != PVRSRV_OK)
{
goto e2;
}
*ppsCtxPtr = psCtx;
PVR_ASSERT(psCtx->uiNumHeaps == psCtx->uiAutoHeapCount);
return PVRSRV_OK;
/*
error exit paths follow
*/
e2:
PVR_ASSERT(psCtx->uiAutoHeapCount == 0);
PVR_ASSERT(psCtx->uiNumHeaps == 0);
BridgeDevmemIntCtxDestroy(psCtx->hBridge, hDevMemServerContext);
e1:
OSFreeMem(psCtx);
e0:
PVR_ASSERT(eError != PVRSRV_OK);
return eError;
}
IMG_INTERNAL PVRSRV_ERROR
DevmemAcquireDevPrivData(DEVMEM_CONTEXT *psCtx,
IMG_HANDLE *hPrivData)
{
PVRSRV_ERROR eError;
if ((psCtx == IMG_NULL) || (hPrivData == IMG_NULL))
{
eError = PVRSRV_ERROR_INVALID_PARAMS;
goto e0;
}
*hPrivData = psCtx->hPrivData;
return PVRSRV_OK;
e0:
PVR_ASSERT(eError != PVRSRV_OK);
return eError;
}
IMG_INTERNAL PVRSRV_ERROR
DevmemReleaseDevPrivData(DEVMEM_CONTEXT *psCtx)
{
PVRSRV_ERROR eError;
if (psCtx == IMG_NULL)
{
eError = PVRSRV_ERROR_INVALID_PARAMS;
goto e0;
}
return PVRSRV_OK;
e0:
PVR_ASSERT(eError != PVRSRV_OK);
return eError;
}
IMG_INTERNAL PVRSRV_ERROR
DevmemFindHeapByName(const struct _DEVMEM_CONTEXT_ *psCtx,
const IMG_CHAR *pszHeapName,
struct _DEVMEM_HEAP_ **ppsHeapRet)
{
IMG_UINT32 uiHeapIndex;
/* N.B. This func is only useful for finding "automagic" heaps by name */
for (uiHeapIndex = 0;
uiHeapIndex < psCtx->uiAutoHeapCount;
uiHeapIndex++)
{
if (!OSStringCompare(psCtx->ppsAutoHeapArray[uiHeapIndex]->pszName, pszHeapName))
{
*ppsHeapRet = psCtx->ppsAutoHeapArray[uiHeapIndex];
return PVRSRV_OK;
}
}
return PVRSRV_ERROR_DEVICEMEM_INVALID_HEAP_INDEX;
}
IMG_INTERNAL PVRSRV_ERROR
DevmemDestroyContext(DEVMEM_CONTEXT *psCtx)
{
PVRSRV_ERROR eError;
IMG_BOOL bDoCheck = IMG_TRUE;
#if defined(__KERNEL__)
PVRSRV_DATA *psPVRSRVData = PVRSRVGetPVRSRVData();
if (psPVRSRVData->eServicesState != PVRSRV_SERVICES_STATE_OK)
{
bDoCheck = IMG_FALSE;
}
#endif
if (psCtx == IMG_NULL)
{
return PVRSRV_ERROR_INVALID_PARAMS;
}
/* should be only the automagically instantiated heaps left */
if (psCtx->uiNumHeaps != psCtx->uiAutoHeapCount)
{
return PVRSRV_ERROR_DEVICEMEM_ALLOCATIONS_REMAIN_IN_HEAP;
}
_UnpopulateContextFromBlueprint(psCtx);
if (bDoCheck)
{
PVR_ASSERT(psCtx->uiAutoHeapCount == 0);
PVR_ASSERT(psCtx->uiNumHeaps == 0);
}
eError = BridgeDevmemIntCtxDestroy(psCtx->hBridge,
psCtx->hDevMemServerContext);
if (bDoCheck)
{
PVR_ASSERT (eError == PVRSRV_OK);
}
OSFreeMem(psCtx);
return PVRSRV_OK;
}
/*****************************************************************************
* Devmem heap query functions *
*****************************************************************************/
IMG_INTERNAL PVRSRV_ERROR
DevmemHeapConfigCount(DEVMEM_BRIDGE_HANDLE hBridge,
IMG_HANDLE hDeviceNode,
IMG_UINT32 *puiNumHeapConfigsOut)
{
PVRSRV_ERROR eError;
eError = BridgeHeapCfgHeapConfigCount(hBridge,
hDeviceNode,
puiNumHeapConfigsOut);
return eError;
}
IMG_INTERNAL PVRSRV_ERROR
DevmemHeapCount(DEVMEM_BRIDGE_HANDLE hBridge,
IMG_HANDLE hDeviceNode,
IMG_UINT32 uiHeapConfigIndex,
IMG_UINT32 *puiNumHeapsOut)
{
PVRSRV_ERROR eError;
eError = BridgeHeapCfgHeapCount(hBridge,
hDeviceNode,
uiHeapConfigIndex,
puiNumHeapsOut);
return eError;
}
IMG_INTERNAL PVRSRV_ERROR
DevmemHeapConfigName(DEVMEM_BRIDGE_HANDLE hBridge,
IMG_HANDLE hDeviceNode,
IMG_UINT32 uiHeapConfigIndex,
IMG_CHAR *pszConfigNameOut,
IMG_UINT32 uiConfigNameBufSz)
{
PVRSRV_ERROR eError;
eError = BridgeHeapCfgHeapConfigName(hBridge,
hDeviceNode,
uiHeapConfigIndex,
uiConfigNameBufSz,
pszConfigNameOut);
return eError;
}
IMG_INTERNAL PVRSRV_ERROR
DevmemHeapDetails(DEVMEM_BRIDGE_HANDLE hBridge,
IMG_HANDLE hDeviceNode,
IMG_UINT32 uiHeapConfigIndex,
IMG_UINT32 uiHeapIndex,
IMG_CHAR *pszHeapNameOut,
IMG_UINT32 uiHeapNameBufSz,
IMG_DEV_VIRTADDR *psDevVAddrBaseOut,
IMG_DEVMEM_SIZE_T *puiHeapLengthOut,
IMG_UINT32 *puiLog2DataPageSizeOut)
{
PVRSRV_ERROR eError;
eError = BridgeHeapCfgHeapDetails(hBridge,
hDeviceNode,
uiHeapConfigIndex,
uiHeapIndex,
uiHeapNameBufSz,
pszHeapNameOut,
psDevVAddrBaseOut,
puiHeapLengthOut,
puiLog2DataPageSizeOut);
VG_MARK_INITIALIZED(pszHeapNameOut,uiHeapNameBufSz);
return eError;
}
/*****************************************************************************
* Devmem heap functions *
*****************************************************************************/
/* See devicemem.h for important notes regarding the arguments
to this function */
IMG_INTERNAL PVRSRV_ERROR
DevmemCreateHeap(DEVMEM_CONTEXT *psCtx,
IMG_DEV_VIRTADDR sBaseAddress,
IMG_DEVMEM_SIZE_T uiLength,
IMG_UINT32 ui32Log2Quantum,
const IMG_CHAR *pszName,
DEVMEM_HEAP **ppsHeapPtr)
{
PVRSRV_ERROR eError = PVRSRV_OK;
PVRSRV_ERROR eError2;
DEVMEM_HEAP *psHeap;
/* handle to the server-side counterpart of the device memory
heap (specifically, for handling mapping to device MMU */
IMG_HANDLE hDevMemServerHeap;
IMG_CHAR aszBuf[100];
IMG_CHAR *pszStr;
if (ppsHeapPtr == IMG_NULL)
{
eError = PVRSRV_ERROR_INVALID_PARAMS;
goto e0;
}
psHeap = OSAllocMem(sizeof *psHeap);
if (psHeap == IMG_NULL)
{
eError = PVRSRV_ERROR_OUT_OF_MEMORY;
goto e0;
}
/* Need to keep local copy of heap name, so caller may free
theirs */
pszStr = OSAllocMem(OSStringLength(pszName)+1);
if (pszStr == IMG_NULL)
{
eError = PVRSRV_ERROR_OUT_OF_MEMORY;
goto e1;
}
OSStringCopy(pszStr, pszName);
psHeap->pszName = pszStr;
psHeap->sBaseAddress = sBaseAddress;
psHeap->uiImportCount = 0;
OSSNPrintf(aszBuf, sizeof(aszBuf),
"NDM heap '%s' (suballocs) ctx:%p",
pszName, psCtx);
pszStr = OSAllocMem(OSStringLength(aszBuf)+1);
if (pszStr == IMG_NULL)
{
eError = PVRSRV_ERROR_OUT_OF_MEMORY;
goto e2;
}
OSStringCopy(pszStr, aszBuf);
psHeap->pszSubAllocRAName = pszStr;
psHeap->psSubAllocRA = RA_Create(psHeap->pszSubAllocRAName,
/* Subsequent imports: */
ui32Log2Quantum,
RA_LOCKCLASS_2,
_SubAllocImportAlloc,
_SubAllocImportFree,
(RA_PERARENA_HANDLE) psHeap);
if (psHeap->psSubAllocRA == IMG_NULL)
{
eError = PVRSRV_ERROR_DEVICEMEM_UNABLE_TO_CREATE_ARENA;
goto e3;
}
psHeap->uiLog2Quantum = ui32Log2Quantum;
OSSNPrintf(aszBuf, sizeof(aszBuf),
"NDM heap '%s' (QVM) ctx:%p",
pszName, psCtx);
pszStr = OSAllocMem(OSStringLength(aszBuf)+1);
if (pszStr == IMG_NULL)
{
eError = PVRSRV_ERROR_OUT_OF_MEMORY;
goto e4;
}
OSStringCopy(pszStr, aszBuf);
psHeap->pszQuantizedVMRAName = pszStr;
psHeap->psQuantizedVMRA = RA_Create(psHeap->pszQuantizedVMRAName,
/* Subsequent import: */
0, RA_LOCKCLASS_1, IMG_NULL, IMG_NULL,
(RA_PERARENA_HANDLE) psHeap);
if (psHeap->psQuantizedVMRA == IMG_NULL)
{
eError = PVRSRV_ERROR_DEVICEMEM_UNABLE_TO_CREATE_ARENA;
goto e5;
}
if (!RA_Add(psHeap->psQuantizedVMRA,
(RA_BASE_T)sBaseAddress.uiAddr,
(RA_LENGTH_T)uiLength,
(RA_FLAGS_T)0, /* This RA doesn't use or need flags */
IMG_NULL /* per ispan handle */))
{
RA_Delete(psHeap->psQuantizedVMRA);
eError = PVRSRV_ERROR_DEVICEMEM_UNABLE_TO_CREATE_ARENA;
goto e5;
}
psHeap->psCtx = psCtx;
/* Create server-side counterpart of Device Memory heap */
eError = BridgeDevmemIntHeapCreate(psCtx->hBridge,
psCtx->hDevMemServerContext,
sBaseAddress,
uiLength,
ui32Log2Quantum,
&hDevMemServerHeap);
if (eError != PVRSRV_OK)
{
goto e6;
}
psHeap->hDevMemServerHeap = hDevMemServerHeap;
eError = OSLockCreate(&psHeap->hLock, LOCK_TYPE_PASSIVE);
if (eError != PVRSRV_OK)
{
goto e7;
}
psHeap->psCtx->uiNumHeaps ++;
*ppsHeapPtr = psHeap;
#if defined PVRSRV_NEWDEVMEM_SUPPORT_MEM_TRACKING
psHeap->psMemDescList = IMG_NULL;
#endif /* PVRSRV_NEWDEVMEM_SUPPORT_MEM_TRACKING */
return PVRSRV_OK;
/*
error exit paths
*/
e7:
eError2 = BridgeDevmemIntHeapDestroy(psCtx->hBridge,
psHeap->hDevMemServerHeap);
PVR_ASSERT (eError2 == PVRSRV_OK);
e6:
RA_Delete(psHeap->psQuantizedVMRA);
e5:
OSFreeMem(psHeap->pszQuantizedVMRAName);
e4:
RA_Delete(psHeap->psSubAllocRA);
e3:
OSFreeMem(psHeap->pszSubAllocRAName);
e2:
OSFreeMem(psHeap->pszName);
e1:
OSFreeMem(psHeap);
e0:
PVR_ASSERT(eError != PVRSRV_OK);
return eError;
}
IMG_INTERNAL PVRSRV_ERROR
DevmemGetHeapBaseDevVAddr(struct _DEVMEM_HEAP_ *psHeap,
IMG_DEV_VIRTADDR *pDevVAddr)
{
if (psHeap == IMG_NULL)
{
return PVRSRV_ERROR_INVALID_PARAMS;
}
*pDevVAddr = psHeap->sBaseAddress;
return PVRSRV_OK;
}
IMG_INTERNAL IMG_VOID
DevmemExportalignAdjustSizeAndAlign(DEVMEM_HEAP *psHeap, IMG_DEVMEM_SIZE_T *puiSize, IMG_DEVMEM_ALIGN_T *puiAlign)
{
IMG_DEVMEM_SIZE_T uiSize = *puiSize;
IMG_DEVMEM_ALIGN_T uiAlign = *puiAlign;
IMG_UINT32 uiLog2Quantum;
if (psHeap)
{
uiLog2Quantum = psHeap->uiLog2Quantum;
}
else
{
uiLog2Quantum = GET_LOG2_PAGESIZE();
}
if ((1ULL << uiLog2Quantum) > uiAlign)
{
uiAlign = 1ULL << uiLog2Quantum;
}
uiSize = (uiSize + uiAlign - 1) & ~(uiAlign - 1);
*puiSize = uiSize;
*puiAlign = uiAlign;
}
IMG_INTERNAL PVRSRV_ERROR
DevmemDestroyHeap(DEVMEM_HEAP *psHeap)
{
PVRSRV_ERROR eError;
if (psHeap == IMG_NULL)
{
return PVRSRV_ERROR_INVALID_PARAMS;
}
if (psHeap->uiImportCount > 0)
{
PVR_DPF((PVR_DBG_ERROR, "%d(%s) leaks remain", psHeap->uiImportCount, psHeap->pszName));
return PVRSRV_ERROR_DEVICEMEM_ALLOCATIONS_REMAIN_IN_HEAP;
}
OSLockDestroy(psHeap->hLock);
PVR_ASSERT(psHeap->psCtx->uiNumHeaps > 0);
psHeap->psCtx->uiNumHeaps --;
eError = BridgeDevmemIntHeapDestroy(psHeap->psCtx->hBridge,
psHeap->hDevMemServerHeap);
PVR_ASSERT (eError == PVRSRV_OK);
RA_Delete(psHeap->psQuantizedVMRA);
OSFreeMem(psHeap->pszQuantizedVMRAName);
RA_Delete(psHeap->psSubAllocRA);
OSFreeMem(psHeap->pszSubAllocRAName);
OSFreeMem(psHeap->pszName);
OSFreeMem(psHeap);
return PVRSRV_OK;
}
/*****************************************************************************
* Devmem allocation/free functions *
*****************************************************************************/
IMG_INTERNAL PVRSRV_ERROR
DevmemAllocate(DEVMEM_HEAP *psHeap,
IMG_DEVMEM_SIZE_T uiSize,
IMG_DEVMEM_ALIGN_T uiAlign,
DEVMEM_FLAGS_T uiFlags,
const IMG_PCHAR pszText,
DEVMEM_MEMDESC **ppsMemDescPtr)
{
IMG_BOOL bStatus; /* eError for RA */
RA_BASE_T uiAllocatedAddr;
RA_LENGTH_T uiAllocatedSize;
RA_PERISPAN_HANDLE hImport; /* the "import" from which this sub-allocation came */
RA_FLAGS_T uiFlagsForRA;
PVRSRV_ERROR eError;
DEVMEM_MEMDESC *psMemDesc = IMG_NULL;
IMG_DEVMEM_OFFSET_T uiOffset = 0;
DEVMEM_IMPORT *psImport;
IMG_VOID *pvAddr;
if (uiFlags & PVRSRV_MEMALLOCFLAG_NO_OSPAGES_ON_ALLOC)
{
/* Deferred Allocation not supported on SubAllocs*/
eError = PVRSRV_ERROR_INVALID_PARAMS;
goto failParams;
}
if (psHeap == IMG_NULL || ppsMemDescPtr == IMG_NULL)
{
eError = PVRSRV_ERROR_INVALID_PARAMS;
goto failParams;
}
eError = _DevmemValidateParams(uiSize,
uiAlign,
uiFlags);
if (eError != PVRSRV_OK)
{
goto failParams;
}
eError =_DevmemMemDescAlloc(&psMemDesc);
if (eError != PVRSRV_OK)
{
goto failMemDescAlloc;
}
/*
No request for exportable memory so use the RA
*/
uiFlagsForRA = (RA_FLAGS_T)(uiFlags & PVRSRV_MEMALLOCFLAGS_RA_DIFFERENTIATION_MASK);
/* Check that the cast didn't lose any flags due to different integer widths */
PVR_ASSERT(uiFlagsForRA == (uiFlags & PVRSRV_MEMALLOCFLAGS_RA_DIFFERENTIATION_MASK));
/*
When the RA suballocates memory from a Span it does not zero it. It only zeroes the
memory if it allocates a new Span; but we don't know what is going to happen for this
RA_Alloc call. Therefore, we zero the mem after the allocation below.
*/
uiFlagsForRA &= ~PVRSRV_MEMALLOCFLAG_ZERO_ON_ALLOC;
bStatus = RA_Alloc(psHeap->psSubAllocRA,
uiSize,
uiFlagsForRA,
uiAlign,
&uiAllocatedAddr,
&uiAllocatedSize,
&hImport);
if (!bStatus)
{
eError = PVRSRV_ERROR_OUT_OF_MEMORY;
goto failDeviceMemAlloc;
}
psImport = hImport;
uiOffset = uiAllocatedAddr - psImport->sDeviceImport.sDevVAddr.uiAddr;
_DevmemMemDescInit(psMemDesc,
uiOffset,
psImport);
/* zero the memory */
if (uiFlags & PVRSRV_MEMALLOCFLAG_ZERO_ON_ALLOC)
{
eError = DevmemAcquireCpuVirtAddr(psMemDesc, &pvAddr);
if (eError != PVRSRV_OK)
{
goto failZero;
}
#if (defined(_WIN32) && !defined(_WIN64)) || (defined(LINUX) && defined(__i386__))
PVR_ASSERT(uiSize<IMG_UINT32_MAX);
#endif
OSMemSet(pvAddr, 0x0, (IMG_SIZE_T) uiSize);
DevmemReleaseCpuVirtAddr(psMemDesc);
#if defined(PDUMP)
DevmemPDumpLoadZeroMem(psMemDesc, 0, uiSize, PDUMP_FLAGS_CONTINUOUS);
#endif
}
#if defined(SUPPORT_PAGE_FAULT_DEBUG)
/* copy the allocation descriptive name and size so it can be passed to DevicememHistory when
* the allocation gets mapped/unmapped
*/
OSStringNCopy(psMemDesc->sTraceData.szText, pszText, sizeof(psMemDesc->sTraceData.szText) - 1);
psMemDesc->sTraceData.uiSize = uiSize;
#endif
#if defined(PVR_RI_DEBUG)
{
/* Attach RI information */
eError = BridgeRIWriteMEMDESCEntry (psMemDesc->psImport->hBridge,
psMemDesc->psImport->hPMR,
OSStringNLength(pszText, RI_MAX_TEXT_LEN),
pszText,
psMemDesc->uiOffset,
uiAllocatedSize,
IMG_FALSE,
IMG_FALSE,
&(psMemDesc->hRIHandle));
if( eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR, "%s: call to BridgeRIWriteMEMDESCEntry failed (eError=%d)", __func__, eError));
}
}
#else /* if defined(PVR_RI_DEBUG) */
PVR_UNREFERENCED_PARAMETER (pszText);
#endif /* if defined(PVR_RI_DEBUG) */
*ppsMemDescPtr = psMemDesc;
return PVRSRV_OK;
/*
error exit paths follow
*/
failZero:
_DevmemMemDescRelease(psMemDesc);
psMemDesc = IMG_NULL; /* Make sure we don't do a discard after the release */
failDeviceMemAlloc:
if (psMemDesc)
_DevmemMemDescDiscard(psMemDesc);
failMemDescAlloc:
failParams:
PVR_ASSERT(eError != PVRSRV_OK);
return eError;
}
IMG_INTERNAL PVRSRV_ERROR
DevmemAllocateExportable(IMG_HANDLE hBridge,
IMG_HANDLE hDeviceNode,
IMG_DEVMEM_SIZE_T uiSize,
IMG_DEVMEM_ALIGN_T uiAlign,
DEVMEM_FLAGS_T uiFlags,
const IMG_PCHAR pszText,
DEVMEM_MEMDESC **ppsMemDescPtr)
{
PVRSRV_ERROR eError;
DEVMEM_MEMDESC *psMemDesc = IMG_NULL;
DEVMEM_IMPORT *psImport;
IMG_BOOL bMappingTable = IMG_TRUE;
DevmemExportalignAdjustSizeAndAlign(IMG_NULL,
&uiSize,
&uiAlign);
eError = _DevmemValidateParams(uiSize,
uiAlign,
uiFlags);
if (eError != PVRSRV_OK)
{
goto failParams;
}
eError =_DevmemMemDescAlloc(&psMemDesc);
if (eError != PVRSRV_OK)
{
goto failMemDescAlloc;
}
/*
Note:
In the case of exportable memory we have no heap to
query the pagesize from, so we assume host pagesize.
*/
eError = _AllocateDeviceMemory(hBridge,
hDeviceNode,
GET_LOG2_PAGESIZE(),
uiSize,
uiSize,
1,
1,
&bMappingTable,
uiAlign,
uiFlags,
IMG_TRUE,
&psImport);
if (eError != PVRSRV_OK)
{
goto failDeviceMemAlloc;
}
_DevmemMemDescInit(psMemDesc,
0,
psImport);
*ppsMemDescPtr = psMemDesc;
#if defined(SUPPORT_PAGE_FAULT_DEBUG)
/* copy the allocation descriptive name and size so it can be passed to DevicememHistory when
* the allocation gets mapped/unmapped
*/
OSStringNCopy(psMemDesc->sTraceData.szText, pszText, sizeof(psMemDesc->sTraceData.szText) - 1);
psMemDesc->sTraceData.uiSize = uiSize;
#endif
#if defined(PVR_RI_DEBUG)
{
eError = BridgeRIWritePMREntry (psImport->hBridge,
psImport->hPMR,
OSStringNLength(pszText, RI_MAX_TEXT_LEN),
(IMG_CHAR *)pszText,
psImport->uiSize);
if( eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR, "%s: call to BridgeRIWritePMREntry failed (eError=%d)", __func__, eError));
}
/* Attach RI information */
eError = BridgeRIWriteMEMDESCEntry (psImport->hBridge,
psImport->hPMR,
sizeof("^"),
"^",
psMemDesc->uiOffset,
uiSize,
IMG_FALSE,
IMG_TRUE,
&psMemDesc->hRIHandle);
if( eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR, "%s: call to BridgeRIWriteMEMDESCEntry failed (eError=%d)", __func__, eError));
}
}
#else /* if defined(PVR_RI_DEBUG) */
PVR_UNREFERENCED_PARAMETER (pszText);
#endif /* if defined(PVR_RI_DEBUG) */
return PVRSRV_OK;
/*
error exit paths follow
*/
failDeviceMemAlloc:
_DevmemMemDescDiscard(psMemDesc);
failMemDescAlloc:
failParams:
PVR_ASSERT(eError != PVRSRV_OK);
return eError;
}
IMG_INTERNAL PVRSRV_ERROR
DevmemAllocateSparse(IMG_HANDLE hBridge,
IMG_HANDLE hDeviceNode,
IMG_DEVMEM_SIZE_T uiSize,
IMG_DEVMEM_SIZE_T uiChunkSize,
IMG_UINT32 ui32NumPhysChunks,
IMG_UINT32 ui32NumVirtChunks,
IMG_BOOL *pabMappingTable,
IMG_DEVMEM_ALIGN_T uiAlign,
DEVMEM_FLAGS_T uiFlags,
const IMG_PCHAR pszText,
DEVMEM_MEMDESC **ppsMemDescPtr)
{
PVRSRV_ERROR eError;
DEVMEM_MEMDESC *psMemDesc = IMG_NULL;
DEVMEM_IMPORT *psImport;
DevmemExportalignAdjustSizeAndAlign(IMG_NULL,
&uiSize,
&uiAlign);
eError = _DevmemValidateParams(uiSize,
uiAlign,
uiFlags);
if (eError != PVRSRV_OK)
{
goto failParams;
}
eError =_DevmemMemDescAlloc(&psMemDesc);
if (eError != PVRSRV_OK)
{
goto failMemDescAlloc;
}
/*
Note:
In the case of sparse memory we have no heap to
query the pagesize from, so we assume host pagesize.
*/
eError = _AllocateDeviceMemory(hBridge,
hDeviceNode,
GET_LOG2_PAGESIZE(),
uiSize,
uiChunkSize,
ui32NumPhysChunks,
ui32NumVirtChunks,
pabMappingTable,
uiAlign,
uiFlags,
IMG_TRUE,
&psImport);
if (eError != PVRSRV_OK)
{
goto failDeviceMemAlloc;
}
_DevmemMemDescInit(psMemDesc,
0,
psImport);
#if defined(SUPPORT_PAGE_FAULT_DEBUG)
/* copy the allocation descriptive name and size so it can be passed to DevicememHistory when
* the allocation gets mapped/unmapped
*/
OSStringNCopy(psMemDesc->sTraceData.szText, pszText, sizeof(psMemDesc->sTraceData.szText) - 1);
psMemDesc->sTraceData.uiSize = uiSize;
#endif
#if defined(PVR_RI_DEBUG)
{
eError = BridgeRIWritePMREntry (psImport->hBridge,
psImport->hPMR,
OSStringNLength(pszText, RI_MAX_TEXT_LEN),
(IMG_CHAR *)pszText,
psImport->uiSize);
if( eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR, "%s: call to BridgeRIWritePMREntry failed (eError=%d)", __func__, eError));
}
/* Attach RI information */
eError = BridgeRIWriteMEMDESCEntry (psMemDesc->psImport->hBridge,
psMemDesc->psImport->hPMR,
sizeof("^"),
"^",
psMemDesc->uiOffset,
uiSize,
IMG_FALSE,
IMG_TRUE,
&psMemDesc->hRIHandle);
if( eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR, "%s: call to BridgeRIWriteMEMDESCEntry failed (eError=%d)", __func__, eError));
}
}
#else /* if defined(PVR_RI_DEBUG) */
PVR_UNREFERENCED_PARAMETER (pszText);
#endif /* if defined(PVR_RI_DEBUG) */
*ppsMemDescPtr = psMemDesc;
return PVRSRV_OK;
/*
error exit paths follow
*/
failDeviceMemAlloc:
_DevmemMemDescDiscard(psMemDesc);
failMemDescAlloc:
failParams:
PVR_ASSERT(eError != PVRSRV_OK);
return eError;
}
/*****************************************************************************
* Devmem unsecure export functions *
*****************************************************************************/
IMG_INTERNAL PVRSRV_ERROR
DevmemExport(DEVMEM_MEMDESC *psMemDesc,
DEVMEM_EXPORTCOOKIE *psExportCookie)
{
/* Caller to provide storage for export cookie struct */
PVRSRV_ERROR eError;
IMG_HANDLE hPMRExportHandle = 0;
IMG_UINT64 uiPMRExportPassword = 0;
IMG_DEVMEM_SIZE_T uiSize = 0;
IMG_DEVMEM_LOG2ALIGN_T uiLog2Contig = 0;
if (psMemDesc == IMG_NULL || psExportCookie == IMG_NULL)
{
eError = PVRSRV_ERROR_INVALID_PARAMS;
goto e0;
}
eError = _Mapping_Export(psMemDesc->psImport,
&hPMRExportHandle,
&uiPMRExportPassword,
&uiSize,
&uiLog2Contig);
if (eError != PVRSRV_OK)
{
psExportCookie->uiSize = 0;
goto e0;
}
psExportCookie->hPMRExportHandle = hPMRExportHandle;
psExportCookie->uiPMRExportPassword = uiPMRExportPassword;
psExportCookie->uiSize = uiSize;
psExportCookie->uiLog2ContiguityGuarantee = uiLog2Contig;
return PVRSRV_OK;
/*
error exit paths follow
*/
e0:
PVR_ASSERT(eError != PVRSRV_OK);
return eError;
}
IMG_INTERNAL PVRSRV_ERROR
DevmemMakeServerExportClientExport(DEVMEM_BRIDGE_HANDLE hBridge,
DEVMEM_SERVER_EXPORTCOOKIE hServerExportCookie,
DEVMEM_EXPORTCOOKIE *psExportCookie)
{
DEVMEM_EXPORTHANDLE hPMRExportHandle;
IMG_DEVMEM_SIZE_T uiPMRSize;
IMG_DEVMEM_LOG2ALIGN_T uiPMRLog2Contig;
DEVMEM_EXPORTKEY uiPMRExportKey;
PVRSRV_ERROR eError = PVRSRV_OK;
eError = BridgePMRMakeServerExportClientExport(hBridge,
hServerExportCookie,
&hPMRExportHandle,
&uiPMRSize,
&uiPMRLog2Contig,
&uiPMRExportKey);
if (eError == PVRSRV_OK)
{
psExportCookie->hPMRExportHandle = hPMRExportHandle;
psExportCookie->uiPMRExportPassword = uiPMRExportKey;
psExportCookie->uiSize = uiPMRSize;
psExportCookie->uiLog2ContiguityGuarantee = uiPMRLog2Contig;
}
return eError;
}
IMG_INTERNAL PVRSRV_ERROR
DevmemUnmakeServerExportClientExport(DEVMEM_BRIDGE_HANDLE hBridge,
DEVMEM_EXPORTCOOKIE *psExportCookie)
{
return BridgePMRUnmakeServerExportClientExport(hBridge, psExportCookie->hPMRExportHandle);
}
IMG_INTERNAL IMG_BOOL
DevmemIsValidExportCookie(DEVMEM_EXPORTCOOKIE *psExportCookie)
{
/* Assume that if the size is set, the export cookie is used */
return (psExportCookie->uiSize != 0x0);
}
IMG_INTERNAL IMG_VOID
DevmemUnexport(DEVMEM_MEMDESC *psMemDesc,
DEVMEM_EXPORTCOOKIE *psExportCookie)
{
_Mapping_Unexport(psMemDesc->psImport,
psExportCookie->hPMRExportHandle);
psExportCookie->uiSize = 0;
}
IMG_INTERNAL PVRSRV_ERROR
DevmemImport(IMG_HANDLE hBridge,
DEVMEM_EXPORTCOOKIE *psCookie,
DEVMEM_FLAGS_T uiFlags,
DEVMEM_MEMDESC **ppsMemDescPtr)
{
DEVMEM_MEMDESC *psMemDesc = IMG_NULL;
DEVMEM_IMPORT *psImport;
IMG_HANDLE hPMR;
PVRSRV_ERROR eError;
if (ppsMemDescPtr == IMG_NULL)
{
eError = PVRSRV_ERROR_INVALID_PARAMS;
goto failParams;
}
eError =_DevmemMemDescAlloc(&psMemDesc);
if (eError != PVRSRV_OK)
{
goto failMemDescAlloc;
}
eError = _DevmemImportStructAlloc(hBridge,
IMG_TRUE,
&psImport);
if (eError != PVRSRV_OK)
{
eError = PVRSRV_ERROR_OUT_OF_MEMORY;
goto failImportAlloc;
}
/* Get a handle to the PMR (inc refcount, checks authorization) */
eError = BridgePMRImportPMR(hBridge,
psCookie->hPMRExportHandle,
psCookie->uiPMRExportPassword,
psCookie->uiSize, /* not trusted - just for sanity checks */
psCookie->uiLog2ContiguityGuarantee, /* not trusted - just for sanity checks */
&hPMR);
if (eError != PVRSRV_OK)
{
goto failImport;
}
_DevmemImportStructInit(psImport,
psCookie->uiSize,
1ULL << psCookie->uiLog2ContiguityGuarantee,
uiFlags,
hPMR);
_DevmemMemDescInit(psMemDesc,
0,
psImport);
*ppsMemDescPtr = psMemDesc;
#if defined(PVR_RI_DEBUG)
{
/* Attach RI information */
eError = BridgeRIWriteMEMDESCEntry (psMemDesc->psImport->hBridge,
psMemDesc->psImport->hPMR,
sizeof("^"),
"^",
psMemDesc->uiOffset,
psMemDesc->psImport->uiSize,
IMG_TRUE,
IMG_FALSE,
&psMemDesc->hRIHandle);
if( eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR, "%s: call to BridgeRIWriteMEMDESCEntry failed (eError=%d)", __func__, eError));
}
}
#endif /* if defined(PVR_RI_DEBUG) */
return PVRSRV_OK;
/*
error exit paths follow
*/
failImport:
_DevmemImportDiscard(psImport);
failImportAlloc:
_DevmemMemDescDiscard(psMemDesc);
failMemDescAlloc:
failParams:
PVR_ASSERT(eError != PVRSRV_OK);
return eError;
}
/*****************************************************************************
* Common MemDesc functions *
*****************************************************************************/
/*
This function is called for freeing any class of memory
*/
IMG_INTERNAL IMG_VOID
DevmemFree(DEVMEM_MEMDESC *psMemDesc)
{
#if defined(PVR_RI_DEBUG)
if (psMemDesc->hRIHandle)
{
PVRSRV_ERROR eError;
eError = BridgeRIDeleteMEMDESCEntry(psMemDesc->psImport->hBridge,
psMemDesc->hRIHandle);
if( eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR, "%s: call to BridgeRIDeleteMEMDESCEntry failed (eError=%d)", __func__, eError));
}
}
#endif /* if defined(PVR_RI_DEBUG) */
_DevmemMemDescRelease(psMemDesc);
}
IMG_INTERNAL PVRSRV_ERROR
DevmemMapToDevice(DEVMEM_MEMDESC *psMemDesc,
DEVMEM_HEAP *psHeap,
IMG_DEV_VIRTADDR *psDevVirtAddr)
{
DEVMEM_IMPORT *psImport;
IMG_DEV_VIRTADDR sDevVAddr;
PVRSRV_ERROR eError;
IMG_BOOL bMap = IMG_TRUE;
OSLockAcquire(psMemDesc->sDeviceMemDesc.hLock);
if (psHeap == IMG_NULL)
{
eError = PVRSRV_ERROR_INVALID_PARAMS;
goto failParams;
}
if (psMemDesc->sDeviceMemDesc.ui32RefCount != 0)
{
eError = PVRSRV_ERROR_DEVICEMEM_ALREADY_MAPPED;
goto failCheck;
}
/* Don't map memory for deferred allocations */
if (psMemDesc->psImport->uiFlags & PVRSRV_MEMALLOCFLAG_NO_OSPAGES_ON_ALLOC)
{
PVR_ASSERT(psMemDesc->psImport->bExportable);
bMap = IMG_FALSE;
}
DEVMEM_REFCOUNT_PRINT("%s (%p) %d->%d",
__FUNCTION__,
psMemDesc,
psMemDesc->sDeviceMemDesc.ui32RefCount,
psMemDesc->sDeviceMemDesc.ui32RefCount+1);
psImport = psMemDesc->psImport;
_DevmemMemDescAcquire(psMemDesc);
eError = _DevmemImportStructDevMap(psHeap,
bMap,
psImport);
if (eError != PVRSRV_OK)
{
goto failMap;
}
sDevVAddr.uiAddr = psImport->sDeviceImport.sDevVAddr.uiAddr;
sDevVAddr.uiAddr += psMemDesc->uiOffset;
psMemDesc->sDeviceMemDesc.sDevVAddr = sDevVAddr;
psMemDesc->sDeviceMemDesc.ui32RefCount++;
*psDevVirtAddr = psMemDesc->sDeviceMemDesc.sDevVAddr;
OSLockRelease(psMemDesc->sDeviceMemDesc.hLock);
#if defined(SUPPORT_PAGE_FAULT_DEBUG)
BridgeDevicememHistoryMap(psMemDesc->psImport->hBridge,
psMemDesc->sDeviceMemDesc.sDevVAddr,
psMemDesc->sTraceData.uiSize,
psMemDesc->sTraceData.szText);
#endif
#if defined(PVR_RI_DEBUG)
if (psMemDesc->hRIHandle)
{
eError = BridgeRIUpdateMEMDESCAddr(psImport->hBridge,
psMemDesc->hRIHandle,
psImport->sDeviceImport.sDevVAddr);
if( eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR, "%s: call to BridgeRIUpdateMEMDESCAddr failed (eError=%d)", __func__, eError));
}
}
#endif
return PVRSRV_OK;
failMap:
_DevmemMemDescRelease(psMemDesc);
failCheck:
failParams:
OSLockRelease(psMemDesc->sDeviceMemDesc.hLock);
PVR_ASSERT(eError != PVRSRV_OK);
return eError;
}
IMG_INTERNAL PVRSRV_ERROR
DevmemAcquireDevVirtAddr(DEVMEM_MEMDESC *psMemDesc,
IMG_DEV_VIRTADDR *psDevVirtAddr)
{
PVRSRV_ERROR eError;
OSLockAcquire(psMemDesc->sDeviceMemDesc.hLock);
DEVMEM_REFCOUNT_PRINT("%s (%p) %d->%d",
__FUNCTION__,
psMemDesc,
psMemDesc->sDeviceMemDesc.ui32RefCount,
psMemDesc->sDeviceMemDesc.ui32RefCount+1);
if (psMemDesc->sDeviceMemDesc.ui32RefCount == 0)
{
eError = PVRSRV_ERROR_DEVICEMEM_NO_MAPPING;
goto failCheck;
}
psMemDesc->sDeviceMemDesc.ui32RefCount++;
*psDevVirtAddr = psMemDesc->sDeviceMemDesc.sDevVAddr;
OSLockRelease(psMemDesc->sDeviceMemDesc.hLock);
return PVRSRV_OK;
failCheck:
OSLockRelease(psMemDesc->sDeviceMemDesc.hLock);
PVR_ASSERT(eError != PVRSRV_OK);
return eError;
}
IMG_INTERNAL IMG_VOID
DevmemReleaseDevVirtAddr(DEVMEM_MEMDESC *psMemDesc)
{
PVR_ASSERT(psMemDesc != IMG_NULL);
OSLockAcquire(psMemDesc->sDeviceMemDesc.hLock);
DEVMEM_REFCOUNT_PRINT("%s (%p) %d->%d",
__FUNCTION__,
psMemDesc,
psMemDesc->sDeviceMemDesc.ui32RefCount,
psMemDesc->sDeviceMemDesc.ui32RefCount-1);
PVR_ASSERT(psMemDesc->sDeviceMemDesc.ui32RefCount != 0);
if (--psMemDesc->sDeviceMemDesc.ui32RefCount == 0)
{
#if defined(SUPPORT_PAGE_FAULT_DEBUG)
BridgeDevicememHistoryUnmap(psMemDesc->psImport->hBridge,
psMemDesc->sDeviceMemDesc.sDevVAddr,
psMemDesc->sTraceData.uiSize,
psMemDesc->sTraceData.szText);
#endif
_DevmemImportStructDevUnmap(psMemDesc->psImport);
OSLockRelease(psMemDesc->sDeviceMemDesc.hLock);
_DevmemMemDescRelease(psMemDesc);
}
else
{
OSLockRelease(psMemDesc->sDeviceMemDesc.hLock);
}
}
IMG_INTERNAL PVRSRV_ERROR
DevmemAcquireCpuVirtAddr(DEVMEM_MEMDESC *psMemDesc,
IMG_VOID **ppvCpuVirtAddr)
{
PVRSRV_ERROR eError;
OSLockAcquire(psMemDesc->sCPUMemDesc.hLock);
DEVMEM_REFCOUNT_PRINT("%s (%p) %d->%d",
__FUNCTION__,
psMemDesc,
psMemDesc->sCPUMemDesc.ui32RefCount,
psMemDesc->sCPUMemDesc.ui32RefCount+1);
if (psMemDesc->sCPUMemDesc.ui32RefCount++ == 0)
{
DEVMEM_IMPORT *psImport = psMemDesc->psImport;
IMG_UINT8 *pui8CPUVAddr;
_DevmemMemDescAcquire(psMemDesc);
eError = _DevmemImportStructCPUMap(psImport);
if (eError != PVRSRV_OK)
{
goto failMap;
}
pui8CPUVAddr = psImport->sCPUImport.pvCPUVAddr;
pui8CPUVAddr += psMemDesc->uiOffset;
psMemDesc->sCPUMemDesc.pvCPUVAddr = pui8CPUVAddr;
}
*ppvCpuVirtAddr = psMemDesc->sCPUMemDesc.pvCPUVAddr;
VG_MARK_INITIALIZED(*ppvCpuVirtAddr, psMemDesc->psImport->uiSize);
OSLockRelease(psMemDesc->sCPUMemDesc.hLock);
return PVRSRV_OK;
failMap:
PVR_ASSERT(eError != PVRSRV_OK);
psMemDesc->sCPUMemDesc.ui32RefCount--;
_DevmemMemDescRelease(psMemDesc);
OSLockRelease(psMemDesc->sCPUMemDesc.hLock);
return eError;
}
IMG_INTERNAL IMG_VOID
DevmemReleaseCpuVirtAddr(DEVMEM_MEMDESC *psMemDesc)
{
PVR_ASSERT(psMemDesc != IMG_NULL);
OSLockAcquire(psMemDesc->sCPUMemDesc.hLock);
DEVMEM_REFCOUNT_PRINT("%s (%p) %d->%d",
__FUNCTION__,
psMemDesc,
psMemDesc->sCPUMemDesc.ui32RefCount,
psMemDesc->sCPUMemDesc.ui32RefCount-1);
PVR_ASSERT(psMemDesc->sCPUMemDesc.ui32RefCount != 0);
if (--psMemDesc->sCPUMemDesc.ui32RefCount == 0)
{
OSLockRelease(psMemDesc->sCPUMemDesc.hLock);
_DevmemImportStructCPUUnmap(psMemDesc->psImport);
_DevmemMemDescRelease(psMemDesc);
}
else
{
OSLockRelease(psMemDesc->sCPUMemDesc.hLock);
}
}
IMG_INTERNAL PVRSRV_ERROR
DevmemGetImportUID(DEVMEM_MEMDESC *psMemDesc,
IMG_UINT64 *pui64UID)
{
DEVMEM_IMPORT *psImport = psMemDesc->psImport;
PVRSRV_ERROR eError;
eError = BridgePMRGetUID(psImport->hBridge,
psImport->hPMR,
pui64UID);
return eError;
}
IMG_INTERNAL PVRSRV_ERROR
DevmemGetReservation(DEVMEM_MEMDESC *psMemDesc,
IMG_HANDLE *hReservation)
{
DEVMEM_IMPORT *psImport;
PVR_ASSERT(psMemDesc);
psImport = psMemDesc->psImport;
PVR_ASSERT(psImport);
*hReservation = psImport->sDeviceImport.hReservation;
return PVRSRV_OK;
}
PVRSRV_ERROR
DevmemGetPMRData(DEVMEM_MEMDESC *psMemDesc,
IMG_HANDLE *phPMR,
IMG_DEVMEM_OFFSET_T *puiPMROffset)
{
DEVMEM_IMPORT *psImport;
PVR_ASSERT(psMemDesc);
*puiPMROffset = psMemDesc->uiOffset;
psImport = psMemDesc->psImport;
PVR_ASSERT(psImport);
*phPMR = psImport->hPMR;
return PVRSRV_OK;
}
IMG_INTERNAL PVRSRV_ERROR
DevmemGetFlags(DEVMEM_MEMDESC *psMemDesc,
DEVMEM_FLAGS_T *puiFlags)
{
DEVMEM_IMPORT *psImport;
PVR_ASSERT(psMemDesc);
psImport = psMemDesc->psImport;
PVR_ASSERT(psImport);
*puiFlags = psImport->uiFlags;
return PVRSRV_OK;
}
IMG_INTERNAL PVRSRV_ERROR
DevmemLocalImport(IMG_HANDLE hBridge,
IMG_HANDLE hExtHandle,
DEVMEM_FLAGS_T uiFlags,
DEVMEM_MEMDESC **ppsMemDescPtr,
IMG_DEVMEM_SIZE_T *puiSizePtr)
{
DEVMEM_MEMDESC *psMemDesc = IMG_NULL;
DEVMEM_IMPORT *psImport;
IMG_DEVMEM_SIZE_T uiSize;
IMG_DEVMEM_ALIGN_T uiAlign;
IMG_HANDLE hPMR;
PVRSRV_ERROR eError;
if (ppsMemDescPtr == IMG_NULL)
{
eError = PVRSRV_ERROR_INVALID_PARAMS;
goto failParams;
}
eError =_DevmemMemDescAlloc(&psMemDesc);
if (eError != PVRSRV_OK)
{
goto failMemDescAlloc;
}
eError = _DevmemImportStructAlloc(hBridge,
IMG_TRUE,
&psImport);
if (eError != PVRSRV_OK)
{
eError = PVRSRV_ERROR_OUT_OF_MEMORY;
goto failImportAlloc;
}
/* Get the PMR handle and it's size from the server */
eError = BridgePMRLocalImportPMR(hBridge,
hExtHandle,
&hPMR,
&uiSize,
&uiAlign);
if (eError != PVRSRV_OK)
{
goto failImport;
}
_DevmemImportStructInit(psImport,
uiSize,
uiAlign,
uiFlags,
hPMR);
_DevmemMemDescInit(psMemDesc,
0,
psImport);
*ppsMemDescPtr = psMemDesc;
if (puiSizePtr)
*puiSizePtr = uiSize;
#if defined(PVR_RI_DEBUG)
{
/* Attach RI information */
eError = BridgeRIWriteMEMDESCEntry (psMemDesc->psImport->hBridge,
psMemDesc->psImport->hPMR,
sizeof("^"),
"^",
psMemDesc->uiOffset,
psMemDesc->psImport->uiSize,
IMG_TRUE,
IMG_FALSE,
&(psMemDesc->hRIHandle));
if( eError != PVRSRV_OK)
{
PVR_DPF((PVR_DBG_ERROR, "%s: call to BridgeRIWriteMEMDESCEntry failed (eError=%d)", __func__, eError));
}
}
#endif /* if defined(PVR_RI_DEBUG) */
return PVRSRV_OK;
failImport:
_DevmemImportDiscard(psImport);
failImportAlloc:
_DevmemMemDescDiscard(psMemDesc);
failMemDescAlloc:
failParams:
PVR_ASSERT(eError != PVRSRV_OK);
return eError;
}
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