emlxs_get_dump_region
rval = emlxs_get_dump_region(hba, dfc->data1, NULL, &size);
rval = emlxs_get_dump_region(hba, dfc->data1, dfc->buf1, &size);
status = emlxs_get_dump_region(hba, regionId, NULL, &size);
status = emlxs_get_dump_region(hba, regionId, *pBuf, &size);
extern uint32_t emlxs_get_dump_region(emlxs_hba_t *hba, uint32_t region,