SM_IO_MEM_INDEX
memoryRequirement->smMemory[SM_IO_MEM_INDEX].singleElementLength = sizeof(smIORequestBody_t);
memoryRequirement->smMemory[SM_IO_MEM_INDEX].numElements = SM_MAX_IO;
memoryRequirement->smMemory[SM_IO_MEM_INDEX].totalLength =
(memoryRequirement->smMemory[SM_IO_MEM_INDEX].singleElementLength) * (memoryRequirement->smMemory[SM_IO_MEM_INDEX].numElements);
memoryRequirement->smMemory[SM_IO_MEM_INDEX].alignment = 4;
memoryRequirement->smMemory[SM_IO_MEM_INDEX].type = SM_CACHED_MEM;
SM_ASSERT((SM_IO_MEM_INDEX < memoryAllocated->count), "");
smIORequest = (smIORequestBody_t *) (memoryAllocated->smMemory[SM_IO_MEM_INDEX].virtPtr);