sli_cmd_read_nvparms
if (sli_cmd_read_nvparms(&hw->sli, mbxdata, SLI4_BMBX_SIZE)) {
if (sli_cmd_read_nvparms(sli4, sli4->bmbx.virt, SLI4_BMBX_SIZE)) {
extern int32_t sli_cmd_read_nvparms(sli4_t *, void *, size_t);