+ /*
+ * nic_cfg_chk (same as nic_cfg, but may return error)
+ * in (u32)a0
+ *
+ * Capability query:
+ * out: (u64) a0= 1 if a1 is valid
+ * (u64) a1= (NIC_CFG bits supported) | (flags << 32)
+ * (flags are CMD_NIC_CFG_CAPF_xxx)
+ */
+ CMD_NIC_CFG_CHK = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16),
+