agsaRegDevCmd_t
agsaRegDevCmd_t payload;
si_memset(&payload, 0, sizeof(agsaRegDevCmd_t));
OSSA_WRITE_LE_32(agRoot, &payload, OSSA_OFFSET_OF(agsaRegDevCmd_t, phyIdportId), (bit32)(pPort->portId & PORTID_MASK) | phyId);
OSSA_WRITE_LE_32(agRoot, &payload, OSSA_OFFSET_OF(agsaRegDevCmd_t, dTypeLRateAwtHa), sDTypeRate);
OSSA_WRITE_LE_32(agRoot, &payload, OSSA_OFFSET_OF(agsaRegDevCmd_t, ITNexusTimeOut), (agDeviceInfo->it_NexusTimeout));
OSSA_WRITE_LE_32(agRoot, &payload, OSSA_OFFSET_OF(agsaRegDevCmd_t, tag), pRequest->HTag);
OSSA_WRITE_LE_32(agRoot, &payload, OSSA_OFFSET_OF(agsaRegDevCmd_t, DeviceId), ((bit32)hostAssignedDeviceId) << 16);