/*!
******************************************************************************
@Function PVRSRVSaveRestoreLiveSegments
@Input pArena - the arena the segment was originally allocated from.
pbyBuffer - the system memory buffer set to null to get the size needed.
puiBufSize - size of system memory buffer.
bSave - IMG_TRUE if a save is required
@Description
Function to save or restore Resources Live segments
******************************************************************************/
PVRSRV_ERROR IMG_CALLCONV PVRSRVSaveRestoreLiveSegments(IMG_HANDLE hArena, IMG_PBYTE pbyBuffer,
IMG_SIZE_T *puiBufSize, IMG_BOOL bSave)
{
IMG_SIZE_T uiBytesSaved = 0;
IMG_PVOID pvLocalMemCPUVAddr;
RA_SEGMENT_DETAILS sSegDetails;
if (hArena == IMG_NULL)
{
return (PVRSRV_ERROR_INVALID_PARAMS);
}
sSegDetails.uiSize = 0;
sSegDetails.sCpuPhyAddr.uiAddr = 0;
sSegDetails.hSegment = 0;
/* walk the arena segments and write live one to the buffer */
while (RA_GetNextLiveSegment(hArena, &sSegDetails))
{
if (pbyBuffer == IMG_NULL)
{
/* calc buffer required */
uiBytesSaved += sizeof(sSegDetails.uiSize) + sSegDetails.uiSize;
}
else
{
if ((uiBytesSaved + sizeof(sSegDetails.uiSize) + sSegDetails.uiSize) > *puiBufSize)
{
return (PVRSRV_ERROR_OUT_OF_MEMORY);
}
PVR_DPF((
PVR_DBG_MESSAGE,
"PVRSRVSaveRestoreLiveSegments: Base " CPUPADDR_FMT " size %" SIZE_T_FMT_LEN "x",
sSegDetails.sCpuPhyAddr.uiAddr,
sSegDetails.uiSize));
/* Map the device's local memory area onto the host. */
pvLocalMemCPUVAddr = OSMapPhysToLin(sSegDetails.sCpuPhyAddr,
sSegDetails.uiSize,
PVRSRV_HAP_KERNEL_ONLY|PVRSRV_HAP_UNCACHED,
IMG_NULL);
if (pvLocalMemCPUVAddr == IMG_NULL)
{
PVR_DPF((PVR_DBG_ERROR, "PVRSRVSaveRestoreLiveSegments: Failed to map local memory to host"));
return (PVRSRV_ERROR_OUT_OF_MEMORY);
}
if (bSave)
{
/* write segment size then segment data */
OSMemCopy(pbyBuffer, &sSegDetails.uiSize, sizeof(sSegDetails.uiSize));
pbyBuffer += sizeof(sSegDetails.uiSize);
OSMemCopy(pbyBuffer, pvLocalMemCPUVAddr, sSegDetails.uiSize);
pbyBuffer += sSegDetails.uiSize;
}
else
{
IMG_UINT32 uiSize;
/* reag segment size and validate */
OSMemCopy(&uiSize, pbyBuffer, sizeof(sSegDetails.uiSize));
if (uiSize != sSegDetails.uiSize)
{
PVR_DPF((PVR_DBG_ERROR, "PVRSRVSaveRestoreLiveSegments: Segment size error"));
}
else
{
pbyBuffer += sizeof(sSegDetails.uiSize);
OSMemCopy(pvLocalMemCPUVAddr, pbyBuffer, sSegDetails.uiSize);
pbyBuffer += sSegDetails.uiSize;
}
}
uiBytesSaved += sizeof(sSegDetails.uiSize) + sSegDetails.uiSize;
OSUnMapPhysToLin(pvLocalMemCPUVAddr,
sSegDetails.uiSize,
PVRSRV_HAP_KERNEL_ONLY|PVRSRV_HAP_UNCACHED,
IMG_NULL);
}
}
if (pbyBuffer == IMG_NULL)
{
*puiBufSize = uiBytesSaved;
}
return (PVRSRV_OK);
}
PVRSRV_ERROR IMG_CALLCONV PVRSRVSaveRestoreLiveSegments(IMG_HANDLE hArena, IMG_PBYTE pbyBuffer,
IMG_SIZE_T *puiBufSize, IMG_BOOL bSave)
{
IMG_SIZE_T uiBytesSaved = 0;
IMG_PVOID pvLocalMemCPUVAddr;
RA_SEGMENT_DETAILS sSegDetails;
if (hArena == IMG_NULL)
{
return (PVRSRV_ERROR_INVALID_PARAMS);
}
sSegDetails.uiSize = 0;
sSegDetails.sCpuPhyAddr.uiAddr = 0;
sSegDetails.hSegment = 0;
while (RA_GetNextLiveSegment(hArena, &sSegDetails))
{
if (pbyBuffer == IMG_NULL)
{
uiBytesSaved += sizeof(sSegDetails.uiSize) + sSegDetails.uiSize;
}
else
{
if ((uiBytesSaved + sizeof(sSegDetails.uiSize) + sSegDetails.uiSize) > *puiBufSize)
{
return (PVRSRV_ERROR_OUT_OF_MEMORY);
}
PVR_DPF((PVR_DBG_MESSAGE, "PVRSRVSaveRestoreLiveSegments: Base %08x size %08x", sSegDetails.sCpuPhyAddr.uiAddr, sSegDetails.uiSize));
pvLocalMemCPUVAddr = OSMapPhysToLin(sSegDetails.sCpuPhyAddr,
sSegDetails.uiSize,
PVRSRV_HAP_KERNEL_ONLY|PVRSRV_HAP_UNCACHED,
IMG_NULL);
if (pvLocalMemCPUVAddr == IMG_NULL)
{
PVR_DPF((PVR_DBG_ERROR, "PVRSRVSaveRestoreLiveSegments: Failed to map local memory to host"));
return (PVRSRV_ERROR_OUT_OF_MEMORY);
}
if (bSave)
{
OSMemCopy(pbyBuffer, &sSegDetails.uiSize, sizeof(sSegDetails.uiSize));
pbyBuffer += sizeof(sSegDetails.uiSize);
OSMemCopy(pbyBuffer, pvLocalMemCPUVAddr, sSegDetails.uiSize);
pbyBuffer += sSegDetails.uiSize;
}
else
{
IMG_UINT32 uiSize;
OSMemCopy(&uiSize, pbyBuffer, sizeof(sSegDetails.uiSize));
if (uiSize != sSegDetails.uiSize)
{
PVR_DPF((PVR_DBG_ERROR, "PVRSRVSaveRestoreLiveSegments: Segment size error"));
}
else
{
pbyBuffer += sizeof(sSegDetails.uiSize);
OSMemCopy(pvLocalMemCPUVAddr, pbyBuffer, sSegDetails.uiSize);
pbyBuffer += sSegDetails.uiSize;
}
}
uiBytesSaved += sizeof(sSegDetails.uiSize) + sSegDetails.uiSize;
OSUnMapPhysToLin(pvLocalMemCPUVAddr,
sSegDetails.uiSize,
PVRSRV_HAP_KERNEL_ONLY|PVRSRV_HAP_UNCACHED,
IMG_NULL);
}
}
if (pbyBuffer == IMG_NULL)
{
*puiBufSize = uiBytesSaved;
}
return (PVRSRV_OK);
}
enum PVRSRV_ERROR PVRSRVSaveRestoreLiveSegments(void *hArena, u8 *pbyBuffer,
u32 *puiBufSize, IMG_BOOL bSave)
{
u32 uiBytesSaved = 0;
void *pvLocalMemCPUVAddr;
struct RA_SEGMENT_DETAILS sSegDetails;
if (hArena == NULL)
return PVRSRV_ERROR_INVALID_PARAMS;
sSegDetails.uiSize = 0;
sSegDetails.sCpuPhyAddr.uiAddr = 0;
sSegDetails.hSegment = NULL;
while (RA_GetNextLiveSegment(hArena, &sSegDetails))
if (pbyBuffer == NULL) {
uiBytesSaved +=
sizeof(sSegDetails.uiSize) + sSegDetails.uiSize;
} else {
if ((uiBytesSaved + sizeof(sSegDetails.uiSize) +
sSegDetails.uiSize) > *puiBufSize)
return PVRSRV_ERROR_OUT_OF_MEMORY;
PVR_DPF(PVR_DBG_MESSAGE,
"PVRSRVSaveRestoreLiveSegments: "
"Base %08x size %08x",
sSegDetails.sCpuPhyAddr.uiAddr,
sSegDetails.uiSize);
pvLocalMemCPUVAddr = (void __force *)
OSMapPhysToLin(sSegDetails.sCpuPhyAddr,
sSegDetails.uiSize,
PVRSRV_HAP_KERNEL_ONLY |
PVRSRV_HAP_UNCACHED, NULL);
if (pvLocalMemCPUVAddr == NULL) {
PVR_DPF(PVR_DBG_ERROR,
"PVRSRVSaveRestoreLiveSegments: "
"Failed to map local memory to host");
return PVRSRV_ERROR_OUT_OF_MEMORY;
}
if (bSave) {
OSMemCopy(pbyBuffer, &sSegDetails.uiSize,
sizeof(sSegDetails.uiSize));
pbyBuffer += sizeof(sSegDetails.uiSize);
OSMemCopy(pbyBuffer, pvLocalMemCPUVAddr,
sSegDetails.uiSize);
pbyBuffer += sSegDetails.uiSize;
} else {
u32 uiSize;
OSMemCopy(&uiSize, pbyBuffer,
sizeof(sSegDetails.uiSize));
if (uiSize != sSegDetails.uiSize) {
PVR_DPF(PVR_DBG_ERROR,
"PVRSRVSaveRestoreLiveSegments:"
" Segment size error");
} else {
pbyBuffer += sizeof(sSegDetails.uiSize);
OSMemCopy(pvLocalMemCPUVAddr, pbyBuffer,
sSegDetails.uiSize);
pbyBuffer += sSegDetails.uiSize;
}
}
uiBytesSaved +=
sizeof(sSegDetails.uiSize) + sSegDetails.uiSize;
OSUnMapPhysToLin((void __force __iomem *)
pvLocalMemCPUVAddr,
sSegDetails.uiSize,
PVRSRV_HAP_KERNEL_ONLY |
PVRSRV_HAP_UNCACHED, NULL);
}
if (pbyBuffer == NULL)
*puiBufSize = uiBytesSaved;
return PVRSRV_OK;
}
