CMD_RC_ID_OFFSET
#define CMD_RC(id) (((id) << CMD_RC_ID_OFFSET) | CMD_RC_BASE_VERSION)
#define CMD_RC_V2(id) (((id) << CMD_RC_ID_OFFSET) | CMD_RC_2ND_VERSION)
#define CMD_RC_V3(id) (((id) << CMD_RC_ID_OFFSET) | CMD_RC_3RD_VERSION)