atmif_sioc
#define ATM_GETLINKRATE _IOW('a',ATMIOC_ITF+1,struct atmif_sioc)
#define ATM_GETTYPE _IOW('a',ATMIOC_ITF+4,struct atmif_sioc)
#define ATM_GETESI _IOW('a',ATMIOC_ITF+5,struct atmif_sioc)
#define ATM_GETCIRANGE _IOW('a',ATMIOC_ITF+10,struct atmif_sioc)
#define ATM_SETCIRANGE _IOW('a',ATMIOC_ITF+11,struct atmif_sioc)
#define ATM_SETESI _IOW('a',ATMIOC_ITF+12,struct atmif_sioc)
#define ATM_SETESIF _IOW('a',ATMIOC_ITF+13,struct atmif_sioc)
#define ATM_GETSTAT _IOW('a',ATMIOC_SARCOM+0,struct atmif_sioc)
#define ATM_GETSTATZ _IOW('a',ATMIOC_SARCOM+1,struct atmif_sioc)
#define ATM_GETLOOP _IOW('a',ATMIOC_SARCOM+2,struct atmif_sioc)
#define ATM_SETLOOP _IOW('a',ATMIOC_SARCOM+3,struct atmif_sioc)
#define ATM_QUERYLOOP _IOW('a',ATMIOC_SARCOM+4,struct atmif_sioc)
struct atmif_sioc __user *sioc = argp;