int psb_get_pages_by_mem_handle(IMG_HANDLE hOSMemHandle,
u32 **pfn_list,
int page_count)
{
LinuxMemArea *psLinuxMemArea = (LinuxMemArea *)hOSMemHandle;
u32 *pfns = 0;
IMG_CPU_PHYADDR phys_addr;
int i;
if (!pfn_list)
return -EINVAL;
/*allocate page list*/
pfns = kzalloc(page_count * sizeof(u32), GFP_KERNEL);
if (!pfns) {
DRM_ERROR("No memory\n");
return -ENOMEM;
}
for (i = 0; i < page_count; i++) {
phys_addr.uiAddr = 0;
phys_addr =
LinuxMemAreaToCpuPAddr(psLinuxMemArea, i * PAGE_SIZE);
pfns[i] = ((u32)phys_addr.uiAddr) >> PAGE_SHIFT;
}
*pfn_list = pfns;
return 0;
}
static off_t printLinuxMemAreaRecords(char *buffer, size_t count, off_t off)
{
struct DEBUG_LINUX_MEM_AREA_REC *psRecord;
off_t Ret;
mutex_lock(&g_sDebugMutex);
if (!off) {
if (count < 500) {
Ret = 0;
goto unlock_and_return;
}
Ret = printAppend(buffer, count, 0,
"Number of Linux Memory Areas: %u\n"
"At the current water mark these areas "
"correspond to %u bytes "
"(excluding SUB areas)\n"
"At the highest water mark these areas "
"corresponded to %u bytes "
"(excluding SUB areas)\n"
"\nDetails for all Linux Memory Areas:\n"
"%s %-24s %s %s %-8s %-5s %s\n",
g_LinuxMemAreaCount,
g_LinuxMemAreaWaterMark,
g_LinuxMemAreaHighWaterMark,
"psLinuxMemArea",
"LinuxMemType",
"CpuVAddr",
"CpuPAddr", "Bytes", "Pid", "Flags");
goto unlock_and_return;
}
for (psRecord = g_LinuxMemAreaRecords; --off && psRecord;
psRecord = psRecord->psNext)
;
if (!psRecord) {
Ret = END_OF_FILE;
goto unlock_and_return;
}
if (count < 500) {
Ret = 0;
goto unlock_and_return;
}
Ret = printAppend(buffer, count, 0,
"%8p %-24s %8p %08x %-8d %-5u %08x=(%s)\n",
psRecord->psLinuxMemArea,
LinuxMemAreaTypeToString(psRecord->psLinuxMemArea->
eAreaType),
LinuxMemAreaToCpuVAddr(psRecord->psLinuxMemArea),
LinuxMemAreaToCpuPAddr(psRecord->psLinuxMemArea,
0).uiAddr,
psRecord->psLinuxMemArea->ui32ByteSize, psRecord->pid,
psRecord->ui32Flags,
HAPFlagsToString(psRecord->ui32Flags)
);
unlock_and_return:
mutex_unlock(&g_sDebugMutex);
return Ret;
}
