/* * ioctl32.c: Conversion between 32bit and 64bit native ioctls. * * Copyright (C) 1997-2000 Jakub Jelinek (jakub@redhat.com) * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) * Copyright (C) 2001,2002 Andi Kleen, SuSE Labs * Copyright (C) 2003 Pavel Machek (pavel@suse.cz) * * These routines maintain argument size conversion between 32bit and 64bit * ioctls. */ #include <linux/joystick.h> #include <linux/types.h> #include <linux/compat.h> #include <linux/kernel.h> #include <linux/capability.h> #include <linux/compiler.h> #include <linux/sched.h> #include <linux/smp.h> #include <linux/smp_lock.h> #include <linux/ioctl.h> #include <linux/if.h> #include <linux/if_bridge.h> #include <linux/slab.h> #include <linux/raid/md_u.h> #include <linux/kd.h> #include <linux/route.h> #include <linux/in6.h> #include <linux/ipv6_route.h> #include <linux/skbuff.h> #include <linux/netlink.h> #include <linux/vt.h> #include <linux/falloc.h> #include <linux/fs.h> #include <linux/file.h> #include <linux/ppp_defs.h> #include <linux/if_ppp.h> #include <linux/if_pppox.h> #include <linux/mtio.h> #include <linux/auto_fs.h> #include <linux/auto_fs4.h> #include <linux/tty.h> #include <linux/vt_kern.h> #include <linux/fb.h> #include <linux/videodev.h> #include <linux/netdevice.h> #include <linux/raw.h> #include <linux/smb_fs.h> #include <linux/blkdev.h> #include <linux/elevator.h> #include <linux/rtc.h> #include <linux/pci.h> #include <linux/module.h> #include <linux/serial.h> #include <linux/if_tun.h> #include <linux/ctype.h> #include <linux/syscalls.h> #include <linux/i2c.h> #include <linux/i2c-dev.h> #include <linux/atalk.h> #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci.h> #include <net/bluetooth/rfcomm.h> #include <linux/capi.h> #include <linux/gigaset_dev.h> #ifdef CONFIG_BLOCK #include <linux/loop.h> #include <scsi/scsi.h> #include <scsi/scsi_ioctl.h> #include <scsi/sg.h> #endif #include <asm/uaccess.h> #include <linux/ethtool.h> #include <linux/mii.h> #include <linux/if_bonding.h> #include <linux/watchdog.h> #include <linux/soundcard.h> #include <linux/lp.h> #include <linux/ppdev.h> #include <linux/atm.h> #include <linux/atmarp.h> #include <linux/atmclip.h> #include <linux/atmdev.h> #include <linux/atmioc.h> #include <linux/atmlec.h> #include <linux/atmmpc.h> #include <linux/atmsvc.h> #include <linux/atm_tcp.h> #include <linux/sonet.h> #include <linux/atm_suni.h> #include <linux/usb.h> #include <linux/usbdevice_fs.h> #include <linux/nbd.h> #include <linux/random.h> #include <linux/filter.h> #include <linux/pktcdvd.h> #include <linux/hiddev.h> #include <linux/dvb/audio.h> #include <linux/dvb/dmx.h> #include <linux/dvb/frontend.h> #include <linux/dvb/video.h> #include <linux/sort.h> #ifdef CONFIG_SPARC #include <asm/fbio.h> #endif static int w_long(unsigned int fd, unsigned int cmd, compat_ulong_t __user *argp) { mm_segment_t old_fs = get_fs(); int err; unsigned long val; set_fs (KERNEL_DS); err = sys_ioctl(fd, cmd, (unsigned long)&val); set_fs (old_fs); if (!err && put_user(val, argp)) return -EFAULT; return err; } static int rw_long(unsigned int fd, unsigned int cmd, compat_ulong_t __user *argp) { mm_segment_t old_fs = get_fs(); int err; unsigned long val; if(get_user(val, argp)) return -EFAULT; set_fs (KERNEL_DS); err = sys_ioctl(fd, cmd, (unsigned long)&val); set_fs (old_fs); if (!err && put_user(val, argp)) return -EFAULT; return err; } struct compat_video_event { int32_t type; compat_time_t timestamp; union { video_size_t size; unsigned int frame_rate; } u; }; static int do_video_get_event(unsigned int fd, unsigned int cmd, struct compat_video_event __user *up) { struct video_event kevent; mm_segment_t old_fs = get_fs(); int err; set_fs(KERNEL_DS); err = sys_ioctl(fd, cmd, (unsigned long) &kevent); set_fs(old_fs); if (!err) { err = put_user(kevent.type, &up->type); err |= put_user(kevent.timestamp, &up->timestamp); err |= put_user(kevent.u.size.w, &up->u.size.w); err |= put_user(kevent.u.size.h, &up->u.size.h); err |= put_user(kevent.u.size.aspect_ratio, &up->u.size.aspect_ratio); if (err) err = -EFAULT; } return err; } struct compat_video_still_picture { compat_uptr_t iFrame; int32_t size; }; static int do_video_stillpicture(unsigned int fd, unsigned int cmd, struct compat_video_still_picture __user *up) { struct video_still_picture __user *up_native; compat_uptr_t fp; int32_t size; int err; err = get_user(fp, &up->iFrame); err |= get_user(size, &up->size); if (err) return -EFAULT; up_native = compat_alloc_user_space(sizeof(struct video_still_picture)); err = put_user(compat_ptr(fp), &up_native->iFrame); err |= put_user(size, &up_native->size); if (err) return -EFAULT; err = sys_ioctl(fd, cmd, (unsigned long) up_native); return err; } struct compat_video_spu_palette { int length; compat_uptr_t palette; }; static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd, struct compat_video_spu_palette __user *up) { struct video_spu_palette __user *up_native; compat_uptr_t palp; int length, err; err = get_user(palp, &up->palette); err |= get_user(length, &up->length); up_native = compat_alloc_user_space(sizeof(struct video_spu_palette)); err = put_user(compat_ptr(palp), &up_native->palette); err |= put_user(length, &up_native->length); if (err) return -EFAULT; err = sys_ioctl(fd, cmd, (unsigned long) up_native); return err; } #ifdef CONFIG_BLOCK typedef struct sg_io_hdr32 { compat_int_t interface_id; /* [i] 'S' for SCSI generic (required) */ compat_int_t dxfer_direction; /* [i] data transfer direction */ unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */ unsigned char mx_sb_len; /* [i] max length to write to sbp */ unsigned short iovec_count; /* [i] 0 implies no scatter gather */ compat_uint_t dxfer_len; /* [i] byte count of data transfer */ compat_uint_t dxferp; /* [i], [*io] points to data transfer memory or scatter gather list */ compat_uptr_t cmdp; /* [i], [*i] points to command to perform */ compat_uptr_t sbp; /* [i], [*o] points to sense_buffer memory */ compat_uint_t timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */ compat_uint_t flags; /* [i] 0 -> default, see SG_FLAG... */ compat_int_t pack_id; /* [i->o] unused internally (normally) */ compat_uptr_t usr_ptr; /* [i->o] unused internally */ unsigned char status; /* [o] scsi status */ unsigned char masked_status; /* [o] shifted, masked scsi status */ unsigned char msg_status; /* [o] messaging level data (optional) */ unsigned char sb_len_wr; /* [o] byte count actually written to sbp */ unsigned short host_status; /* [o] errors from host adapter */ unsigned short driver_status; /* [o] errors from software driver */ compat_int_t resid; /* [o] dxfer_len - actual_transferred */ compat_uint_t duration; /* [o] time taken by cmd (unit: millisec) */ compat_uint_t info; /* [o] auxiliary information */ } sg_io_hdr32_t; /* 64 bytes long (on sparc32) */ typedef struct sg_iovec32 { compat_uint_t iov_base; compat_uint_t iov_len; } sg_iovec32_t; static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count) { sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1); sg_iovec32_t __user *iov32 = dxferp; int i; for (i = 0; i < iovec_count; i++) { u32 base, len; if (get_user(base, &iov32[i].iov_base) || get_user(len, &iov32[i].iov_len) || put_user(compat_ptr(base), &iov[i].iov_base) || put_user(len, &iov[i].iov_len)) return -EFAULT; } if (put_user(iov, &sgio->dxferp)) return -EFAULT; return 0; } static int sg_ioctl_trans(unsigned int fd, unsigned int cmd, sg_io_hdr32_t __user *sgio32) { sg_io_hdr_t __user *sgio; u16 iovec_count; u32 data; void __user *dxferp; int err; int interface_id; if (get_user(interface_id, &sgio32->interface_id)) return -EFAULT; if (interface_id != 'S') return sys_ioctl(fd, cmd, (unsigned long)sgio32); if (get_user(iovec_count, &sgio32->iovec_count)) return -EFAULT; { void __user *top = compat_alloc_user_space(0); void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) + (iovec_count * sizeof(sg_iovec_t))); if (new > top) return -EINVAL; sgio = new; } /* Ok, now construct. */ if (copy_in_user(&sgio->interface_id, &sgio32->interface_id, (2 * sizeof(int)) + (2 * sizeof(unsigned char)) + (1 * sizeof(unsigned short)) + (1 * sizeof(unsigned int)))) return -EFAULT; if (get_user(data, &sgio32->dxferp)) return -EFAULT; dxferp = compat_ptr(data); if (iovec_count) { if (sg_build_iovec(sgio, dxferp, iovec_count)) return -EFAULT; } else { if (put_user(dxferp, &sgio->dxferp)) return -EFAULT; } { unsigned char __user *cmdp; unsigned char __user *sbp; if (get_user(data, &sgio32->cmdp)) return -EFAULT; cmdp = compat_ptr(data); if (get_user(data, &sgio32->sbp)) return -EFAULT; sbp = compat_ptr(data); if (put_user(cmdp, &sgio->cmdp) || put_user(sbp, &sgio->sbp)) return -EFAULT; } if (copy_in_user(&sgio->timeout, &sgio32->timeout, 3 * sizeof(int))) return -EFAULT; if (get_user(data, &sgio32->usr_ptr)) return -EFAULT; if (put_user(compat_ptr(data), &sgio->usr_ptr)) return -EFAULT; err = sys_ioctl(fd, cmd, (unsigned long) sgio); if (err >= 0) { void __user *datap; if (copy_in_user(&sgio32->pack_id, &sgio->pack_id, sizeof(int)) || get_user(datap, &sgio->usr_ptr) || put_user((u32)(unsigned long)datap, &sgio32->usr_ptr) || copy_in_user(&sgio32->status, &sgio->status, (4 * sizeof(unsigned char)) + (2 * sizeof(unsigned short)) + (3 * sizeof(int)))) err = -EFAULT; } return err; } struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */ char req_state; char orphan; char sg_io_owned; char problem; int pack_id; compat_uptr_t usr_ptr; unsigned int duration; int unused; }; static int sg_grt_trans(unsigned int fd, unsigned int cmd, struct compat_sg_req_info __user *o) { int err, i; sg_req_info_t __user *r; r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE); err = sys_ioctl(fd,cmd,(unsigned long)r); if (err < 0) return err; for (i = 0; i < SG_MAX_QUEUE; i++) { void __user *ptr; int d; if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) || get_user(ptr, &r[i].usr_ptr) || get_user(d, &r[i].duration) || put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) || put_user(d, &o[i].duration)) return -EFAULT; } return err; } #endif /* CONFIG_BLOCK */ struct sock_fprog32 { unsigned short len; compat_caddr_t filter; }; #define PPPIOCSPASS32 _IOW('t', 71, struct sock_fprog32) #define PPPIOCSACTIVE32 _IOW('t', 70, struct sock_fprog32) static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd, struct sock_fprog32 __user *u_fprog32) { struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog)); void __user *fptr64; u32 fptr32; u16 flen; if (get_user(flen, &u_fprog32->len) || get_user(fptr32, &u_fprog32->filter)) return -EFAULT; fptr64 = compat_ptr(fptr32); if (put_user(flen, &u_fprog64->len) || put_user(fptr64, &u_fprog64->filter)) return -EFAULT; if (cmd == PPPIOCSPASS32) cmd = PPPIOCSPASS; else cmd = PPPIOCSACTIVE; return sys_ioctl(fd, cmd, (unsigned long) u_fprog64); } struct ppp_option_data32 { compat_caddr_t ptr; u32 length; compat_int_t transmit; }; #define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32) struct ppp_idle32 { compat_time_t xmit_idle; compat_time_t recv_idle; }; #define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32) static int ppp_gidle(unsigned int fd, unsigned int cmd, struct ppp_idle32 __user *idle32) { struct ppp_idle __user *idle; __kernel_time_t xmit, recv; int err; idle = compat_alloc_user_space(sizeof(*idle)); err = sys_ioctl(fd, PPPIOCGIDLE, (unsigned long) idle); if (!err) { if (get_user(xmit, &idle->xmit_idle) || get_user(recv, &idle->recv_idle) || put_user(xmit, &idle32->xmit_idle) || put_user(recv, &idle32->recv_idle)) err = -EFAULT; } return err; } static int ppp_scompress(unsigned int fd, unsigned int cmd, struct ppp_option_data32 __user *odata32) { struct ppp_option_data __user *odata; __u32 data; void __user *datap; odata = compat_alloc_user_space(sizeof(*odata)); if (get_user(data, &odata32->ptr)) return -EFAULT; datap = compat_ptr(data); if (put_user(datap, &odata->ptr)) return -EFAULT; if (copy_in_user(&odata->length, &odata32->length, sizeof(__u32) + sizeof(int))) return -EFAULT; return sys_ioctl(fd, PPPIOCSCOMPRESS, (unsigned long) odata); } #ifdef CONFIG_BLOCK struct mtget32 { compat_long_t mt_type; compat_long_t mt_resid; compat_long_t mt_dsreg; compat_long_t mt_gstat; compat_long_t mt_erreg; compat_daddr_t mt_fileno; compat_daddr_t mt_blkno; }; #define MTIOCGET32 _IOR('m', 2, struct mtget32) struct mtpos32 { compat_long_t mt_blkno; }; #define MTIOCPOS32 _IOR('m', 3, struct mtpos32) static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, void __user *argp) { mm_segment_t old_fs = get_fs(); struct mtget get; struct mtget32 __user *umget32; struct mtpos pos; struct mtpos32 __user *upos32; unsigned long kcmd; void *karg; int err = 0; switch(cmd) { case MTIOCPOS32: kcmd = MTIOCPOS; karg = &pos; break; case MTIOCGET32: kcmd = MTIOCGET; karg = &get; break; } set_fs (KERNEL_DS); err = sys_ioctl (fd, kcmd, (unsigned long)karg); set_fs (old_fs); if (err) return err; switch (cmd) { case MTIOCPOS32: upos32 = argp; err = __put_user(pos.mt_blkno, &upos32->mt_blkno); break; case MTIOCGET32: umget32 = argp; err = __put_user(get.mt_type, &umget32->mt_type); err |= __put_user(get.mt_resid, &umget32->mt_resid); err |= __put_user(get.mt_dsreg, &umget32->mt_dsreg); err |= __put_user(get.mt_gstat, &umget32->mt_gstat); err |= __put_user(get.mt_erreg, &umget32->mt_erreg); err |= __put_user(get.mt_fileno, &umget32->mt_fileno); err |= __put_user(get.mt_blkno, &umget32->mt_blkno); break; } return err ? -EFAULT: 0; } #endif /* CONFIG_BLOCK */ static int do_smb_getmountuid(unsigned int fd, unsigned int cmd, compat_uid_t __user *argp) { mm_segment_t old_fs = get_fs(); __kernel_uid_t kuid; int err; cmd = SMB_IOC_GETMOUNTUID; set_fs(KERNEL_DS); err = sys_ioctl(fd, cmd, (unsigned long)&kuid); set_fs(old_fs); if (err >= 0) err = put_user(kuid, argp); return err; } static int ioc_settimeout(unsigned int fd, unsigned int cmd, compat_ulong_t __user *argp) { return rw_long(fd, AUTOFS_IOC_SETTIMEOUT, argp); } /* Bluetooth ioctls */ #define HCIUARTSETPROTO _IOW('U', 200, int) #define HCIUARTGETPROTO _IOR('U', 201, int) #define BNEPCONNADD _IOW('B', 200, int) #define BNEPCONNDEL _IOW('B', 201, int) #define BNEPGETCONNLIST _IOR('B', 210, int) #define BNEPGETCONNINFO _IOR('B', 211, int) #define CMTPCONNADD _IOW('C', 200, int) #define CMTPCONNDEL _IOW('C', 201, int) #define CMTPGETCONNLIST _IOR('C', 210, int) #define CMTPGETCONNINFO _IOR('C', 211, int) #define HIDPCONNADD _IOW('H', 200, int) #define HIDPCONNDEL _IOW('H', 201, int) #define HIDPGETCONNLIST _IOR('H', 210, int) #define HIDPGETCONNINFO _IOR('H', 211, int) #ifdef CONFIG_BLOCK struct raw32_config_request { compat_int_t raw_minor; __u64 block_major; __u64 block_minor; } __attribute__((packed)); static int get_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req) { int ret; if (!access_ok(VERIFY_READ, user_req, sizeof(struct raw32_config_request))) return -EFAULT; ret = __get_user(req->raw_minor, &user_req->raw_minor); ret |= __get_user(req->block_major, &user_req->block_major); ret |= __get_user(req->block_minor, &user_req->block_minor); return ret ? -EFAULT : 0; } static int set_raw32_request(struct raw_config_request *req, struct raw32_config_request __user *user_req) { int ret; if (!access_ok(VERIFY_WRITE, user_req, sizeof(struct raw32_config_request))) return -EFAULT; ret = __put_user(req->raw_minor, &user_req->raw_minor); ret |= __put_user(req->block_major, &user_req->block_major); ret |= __put_user(req->block_minor, &user_req->block_minor); return ret ? -EFAULT : 0; } static int raw_ioctl(unsigned fd, unsigned cmd, struct raw32_config_request __user *user_req) { int ret; switch (cmd) { case RAW_SETBIND: case RAW_GETBIND: { struct raw_config_request req; mm_segment_t oldfs = get_fs(); if ((ret = get_raw32_request(&req, user_req))) return ret; set_fs(KERNEL_DS); ret = sys_ioctl(fd,cmd,(unsigned long)&req); set_fs(oldfs); if ((!ret) && (cmd == RAW_GETBIND)) { ret = set_raw32_request(&req, user_req); } break; } } return ret; } #endif /* CONFIG_BLOCK */ struct serial_struct32 { compat_int_t type; compat_int_t line; compat_uint_t port; compat_int_t irq; compat_int_t flags; compat_int_t xmit_fifo_size; compat_int_t custom_divisor; compat_int_t baud_base; unsigned short close_delay; char io_type; char reserved_char[1]; compat_int_t hub6; unsigned short closing_wait; /* time to wait before closing */ unsigned short closing_wait2; /* no longer used... */ compat_uint_t iomem_base; unsigned short iomem_reg_shift; unsigned int port_high; /* compat_ulong_t iomap_base FIXME */ compat_int_t reserved[1]; }; static int serial_struct_ioctl(unsigned fd, unsigned cmd, struct serial_struct32 __user *ss32) { typedef struct serial_struct SS; typedef struct serial_struct32 SS32; int err; struct serial_struct ss; mm_segment_t oldseg = get_fs(); __u32 udata; unsigned int base; if (cmd == TIOCSSERIAL) { if (!access_ok(VERIFY_READ, ss32, sizeof(SS32))) return -EFAULT; if (__copy_from_user(&ss, ss32, offsetof(SS32, iomem_base))) return -EFAULT; if (__get_user(udata, &ss32->iomem_base)) return -EFAULT; ss.iomem_base = compat_ptr(udata); if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) || __get_user(ss.port_high, &ss32->port_high)) return -EFAULT; ss.iomap_base = 0UL; } set_fs(KERNEL_DS); err = sys_ioctl(fd,cmd,(unsigned long)(&ss)); set_fs(oldseg); if (cmd == TIOCGSERIAL && err >= 0) { if (!access_ok(VERIFY_WRITE, ss32, sizeof(SS32))) return -EFAULT; if (__copy_to_user(ss32,&ss,offsetof(SS32,iomem_base))) return -EFAULT; base = (unsigned long)ss.iomem_base >> 32 ? 0xffffffff : (unsigned)(unsigned long)ss.iomem_base; if (__put_user(base, &ss32->iomem_base) || __put_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) || __put_user(ss.port_high, &ss32->port_high)) return -EFAULT; } return err; } /* * I2C layer ioctls */ struct i2c_msg32 { u16 addr; u16 flags; u16 len; compat_caddr_t buf; }; struct i2c_rdwr_ioctl_data32 { compat_caddr_t msgs; /* struct i2c_msg __user *msgs */ u32 nmsgs; }; struct i2c_smbus_ioctl_data32 { u8 read_write; u8 command; u32 size; compat_caddr_t data; /* union i2c_smbus_data *data */ }; struct i2c_rdwr_aligned { struct i2c_rdwr_ioctl_data cmd; struct i2c_msg msgs[0]; }; static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd, struct i2c_rdwr_ioctl_data32 __user *udata) { struct i2c_rdwr_aligned __user *tdata; struct i2c_msg __user *tmsgs; struct i2c_msg32 __user *umsgs; compat_caddr_t datap; int nmsgs, i; if (get_user(nmsgs, &udata->nmsgs)) return -EFAULT; if (nmsgs > I2C_RDRW_IOCTL_MAX_MSGS) return -EINVAL; if (get_user(datap, &udata->msgs)) return -EFAULT; umsgs = compat_ptr(datap); tdata = compat_alloc_user_space(sizeof(*tdata) + nmsgs * sizeof(struct i2c_msg)); tmsgs = &tdata->msgs[0]; if (put_user(nmsgs, &tdata->cmd.nmsgs) || put_user(tmsgs, &tdata->cmd.msgs)) return -EFAULT; for (i = 0; i < nmsgs; i++) { if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16))) return -EFAULT; if (get_user(datap, &umsgs[i].buf) || put_user(compat_ptr(datap), &tmsgs[i].buf)) return -EFAULT; } return sys_ioctl(fd, cmd, (unsigned long)tdata); } static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd, struct i2c_smbus_ioctl_data32 __user *udata) { struct i2c_smbus_ioctl_data __user *tdata; compat_caddr_t datap; tdata = compat_alloc_user_space(sizeof(*tdata)); if (tdata == NULL) return -ENOMEM; if (!access_ok(VERIFY_WRITE, tdata, sizeof(*tdata))) return -EFAULT; if (!access_ok(VERIFY_READ, udata, sizeof(*udata))) return -EFAULT; if (__copy_in_user(&tdata->read_write, &udata->read_write, 2 * sizeof(u8))) return -EFAULT; if (__copy_in_user(&tdata->size, &udata->size, 2 * sizeof(u32))) return -EFAULT; if (__get_user(datap, &udata->data) || __put_user(compat_ptr(datap), &tdata->data)) return -EFAULT; return sys_ioctl(fd, cmd, (unsigned long)tdata); } #define RTC_IRQP_READ32 _IOR('p', 0x0b, compat_ulong_t) #define RTC_IRQP_SET32 _IOW('p', 0x0c, compat_ulong_t) #define RTC_EPOCH_READ32 _IOR('p', 0x0d, compat_ulong_t) #define RTC_EPOCH_SET32 _IOW('p', 0x0e, compat_ulong_t) static int rtc_ioctl(unsigned fd, unsigned cmd, void __user *argp) { mm_segment_t oldfs = get_fs(); compat_ulong_t val32; unsigned long kval; int ret; switch (cmd) { case RTC_IRQP_READ32: case RTC_EPOCH_READ32: set_fs(KERNEL_DS); ret = sys_ioctl(fd, (cmd == RTC_IRQP_READ32) ? RTC_IRQP_READ : RTC_EPOCH_READ, (unsigned long)&kval); set_fs(oldfs); if (ret) return ret; val32 = kval; return put_user(val32, (unsigned int __user *)argp); case RTC_IRQP_SET32: return sys_ioctl(fd, RTC_IRQP_SET, (unsigned long)argp); case RTC_EPOCH_SET32: return sys_ioctl(fd, RTC_EPOCH_SET, (unsigned long)argp); } return -ENOIOCTLCMD; } /* on ia32 l_start is on a 32-bit boundary */ #if defined(CONFIG_IA64) || defined(CONFIG_X86_64) struct space_resv_32 { __s16 l_type; __s16 l_whence; __s64 l_start __attribute__((packed)); /* len == 0 means until end of file */ __s64 l_len __attribute__((packed)); __s32 l_sysid; __u32 l_pid; __s32 l_pad[4]; /* reserve area */ }; #define FS_IOC_RESVSP_32 _IOW ('X', 40, struct space_resv_32) #define FS_IOC_RESVSP64_32 _IOW ('X', 42, struct space_resv_32) /* just account for different alignment */ static int compat_ioctl_preallocate(struct file *file, struct space_resv_32 __user *p32) { struct space_resv __user *p = compat_alloc_user_space(sizeof(*p)); if (copy_in_user(&p->l_type, &p32->l_type, sizeof(s16)) || copy_in_user(&p->l_whence, &p32->l_whence, sizeof(s16)) || copy_in_user(&p->l_start, &p32->l_start, sizeof(s64)) || copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) || copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) || copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) || copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32))) return -EFAULT; return ioctl_preallocate(file, p); } #endif /* * simple reversible transform to make our table more evenly * distributed after sorting. */ #define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff) #define COMPATIBLE_IOCTL(cmd) XFORM(cmd), /* ioctl should not be warned about even if it's not implemented. Valid reasons to use this: - It is implemented with ->compat_ioctl on some device, but programs call it on others too. - The ioctl is not implemented in the native kernel, but programs call it commonly anyways. Most other reasons are not valid. */ #define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd) static unsigned int ioctl_pointer[] = { /* compatible ioctls first */ COMPATIBLE_IOCTL(0x4B50) /* KDGHWCLK - not in the kernel, but don't complain */ COMPATIBLE_IOCTL(0x4B51) /* KDSHWCLK - not in the kernel, but don't complain */ /* Big T */ COMPATIBLE_IOCTL(TCGETA) COMPATIBLE_IOCTL(TCSETA) COMPATIBLE_IOCTL(TCSETAW) COMPATIBLE_IOCTL(TCSETAF) COMPATIBLE_IOCTL(TCSBRK) COMPATIBLE_IOCTL(TCXONC) COMPATIBLE_IOCTL(TCFLSH) COMPATIBLE_IOCTL(TCGETS) COMPATIBLE_IOCTL(TCSETS) COMPATIBLE_IOCTL(TCSETSW) COMPATIBLE_IOCTL(TCSETSF) COMPATIBLE_IOCTL(TIOCLINUX) COMPATIBLE_IOCTL(TIOCSBRK) COMPATIBLE_IOCTL(TIOCCBRK) COMPATIBLE_IOCTL(TIOCGSID) COMPATIBLE_IOCTL(TIOCGICOUNT) /* Little t */ COMPATIBLE_IOCTL(TIOCGETD) COMPATIBLE_IOCTL(TIOCSETD) COMPATIBLE_IOCTL(TIOCEXCL) COMPATIBLE_IOCTL(TIOCNXCL) COMPATIBLE_IOCTL(TIOCCONS) COMPATIBLE_IOCTL(TIOCGSOFTCAR) COMPATIBLE_IOCTL(TIOCSSOFTCAR) COMPATIBLE_IOCTL(TIOCSWINSZ) COMPATIBLE_IOCTL(TIOCGWINSZ) COMPATIBLE_IOCTL(TIOCMGET) COMPATIBLE_IOCTL(TIOCMBIC) COMPATIBLE_IOCTL(TIOCMBIS) COMPATIBLE_IOCTL(TIOCMSET) COMPATIBLE_IOCTL(TIOCPKT) COMPATIBLE_IOCTL(TIOCNOTTY) COMPATIBLE_IOCTL(TIOCSTI) COMPATIBLE_IOCTL(TIOCOUTQ) COMPATIBLE_IOCTL(TIOCSPGRP) COMPATIBLE_IOCTL(TIOCGPGRP) COMPATIBLE_IOCTL(TIOCGPTN) COMPATIBLE_IOCTL(TIOCSPTLCK) COMPATIBLE_IOCTL(TIOCSERGETLSR) #ifdef TCGETS2 COMPATIBLE_IOCTL(TCGETS2) COMPATIBLE_IOCTL(TCSETS2) COMPATIBLE_IOCTL(TCSETSW2) COMPATIBLE_IOCTL(TCSETSF2) #endif /* Little f */ COMPATIBLE_IOCTL(FIOCLEX) COMPATIBLE_IOCTL(FIONCLEX) COMPATIBLE_IOCTL(FIOASYNC) COMPATIBLE_IOCTL(FIONBIO) COMPATIBLE_IOCTL(FIONREAD) /* This is also TIOCINQ */ COMPATIBLE_IOCTL(FS_IOC_FIEMAP) /* 0x00 */ COMPATIBLE_IOCTL(FIBMAP) COMPATIBLE_IOCTL(FIGETBSZ) /* 'X' - originally XFS but some now in the VFS */ COMPATIBLE_IOCTL(FIFREEZE) COMPATIBLE_IOCTL(FITHAW) COMPATIBLE_IOCTL(KDGETKEYCODE) COMPATIBLE_IOCTL(KDSETKEYCODE) COMPATIBLE_IOCTL(KDGKBTYPE) COMPATIBLE_IOCTL(KDGETMODE) COMPATIBLE_IOCTL(KDGKBMODE) COMPATIBLE_IOCTL(KDGKBMETA) COMPATIBLE_IOCTL(KDGKBENT) COMPATIBLE_IOCTL(KDSKBENT) COMPATIBLE_IOCTL(KDGKBSENT) COMPATIBLE_IOCTL(KDSKBSENT) COMPATIBLE_IOCTL(KDGKBDIACR) COMPATIBLE_IOCTL(KDSKBDIACR) COMPATIBLE_IOCTL(KDKBDREP) COMPATIBLE_IOCTL(KDGKBLED) COMPATIBLE_IOCTL(KDGETLED) #ifdef CONFIG_BLOCK /* Big S */ COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN) COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK) COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK) COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY) COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER) COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND) COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST) COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI) #endif /* Big V (don't complain on serial console) */ IGNORE_IOCTL(VT_OPENQRY) IGNORE_IOCTL(VT_GETMODE) /* Little p (/dev/rtc, /dev/envctrl, etc.) */ COMPATIBLE_IOCTL(RTC_AIE_ON) COMPATIBLE_IOCTL(RTC_AIE_OFF) COMPATIBLE_IOCTL(RTC_UIE_ON) COMPATIBLE_IOCTL(RTC_UIE_OFF) COMPATIBLE_IOCTL(RTC_PIE_ON) COMPATIBLE_IOCTL(RTC_PIE_OFF) COMPATIBLE_IOCTL(RTC_WIE_ON) COMPATIBLE_IOCTL(RTC_WIE_OFF) COMPATIBLE_IOCTL(RTC_ALM_SET) COMPATIBLE_IOCTL(RTC_ALM_READ) COMPATIBLE_IOCTL(RTC_RD_TIME) COMPATIBLE_IOCTL(RTC_SET_TIME) COMPATIBLE_IOCTL(RTC_WKALM_SET) COMPATIBLE_IOCTL(RTC_WKALM_RD) /* * These two are only for the sbus rtc driver, but * hwclock tries them on every rtc device first when * running on sparc. On other architectures the entries * are useless but harmless. */ COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */ COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */ /* Little m */ COMPATIBLE_IOCTL(MTIOCTOP) /* Socket level stuff */ COMPATIBLE_IOCTL(FIOQSIZE) #ifdef CONFIG_BLOCK /* loop */ IGNORE_IOCTL(LOOP_CLR_FD) /* md calls this on random blockdevs */ IGNORE_IOCTL(RAID_VERSION) /* SG stuff */ COMPATIBLE_IOCTL(SG_SET_TIMEOUT) COMPATIBLE_IOCTL(SG_GET_TIMEOUT) COMPATIBLE_IOCTL(SG_EMULATED_HOST) COMPATIBLE_IOCTL(SG_GET_TRANSFORM) COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE) COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE) COMPATIBLE_IOCTL(SG_GET_SCSI_ID) COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA) COMPATIBLE_IOCTL(SG_GET_LOW_DMA) COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID) COMPATIBLE_IOCTL(SG_GET_PACK_ID) COMPATIBLE_IOCTL(SG_GET_NUM_WAITING) COMPATIBLE_IOCTL(SG_SET_DEBUG) COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE) COMPATIBLE_IOCTL(SG_GET_COMMAND_Q) COMPATIBLE_IOCTL(SG_SET_COMMAND_Q) COMPATIBLE_IOCTL(SG_GET_VERSION_NUM) COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN) COMPATIBLE_IOCTL(SG_SCSI_RESET) COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE) COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN) COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN) #endif /* PPP stuff */ COMPATIBLE_IOCTL(PPPIOCGFLAGS) COMPATIBLE_IOCTL(PPPIOCSFLAGS) COMPATIBLE_IOCTL(PPPIOCGASYNCMAP) COMPATIBLE_IOCTL(PPPIOCSASYNCMAP) COMPATIBLE_IOCTL(PPPIOCGUNIT) COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP) COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP) COMPATIBLE_IOCTL(PPPIOCGMRU) COMPATIBLE_IOCTL(PPPIOCSMRU) COMPATIBLE_IOCTL(PPPIOCSMAXCID) COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP) COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP) COMPATIBLE_IOCTL(PPPIOCXFERUNIT) /* PPPIOCSCOMPRESS is translated */ COMPATIBLE_IOCTL(PPPIOCGNPMODE) COMPATIBLE_IOCTL(PPPIOCSNPMODE) COMPATIBLE_IOCTL(PPPIOCGDEBUG) COMPATIBLE_IOCTL(PPPIOCSDEBUG) /* PPPIOCSPASS is translated */ /* PPPIOCSACTIVE is translated */ /* PPPIOCGIDLE is translated */ COMPATIBLE_IOCTL(PPPIOCNEWUNIT) COMPATIBLE_IOCTL(PPPIOCATTACH) COMPATIBLE_IOCTL(PPPIOCDETACH) COMPATIBLE_IOCTL(PPPIOCSMRRU) COMPATIBLE_IOCTL(PPPIOCCONNECT) COMPATIBLE_IOCTL(PPPIOCDISCONN) COMPATIBLE_IOCTL(PPPIOCATTCHAN) COMPATIBLE_IOCTL(PPPIOCGCHAN) /* PPPOX */ COMPATIBLE_IOCTL(PPPOEIOCSFWD) COMPATIBLE_IOCTL(PPPOEIOCDFWD) /* ppdev */ COMPATIBLE_IOCTL(PPSETMODE) COMPATIBLE_IOCTL(PPRSTATUS) COMPATIBLE_IOCTL(PPRCONTROL) COMPATIBLE_IOCTL(PPWCONTROL) COMPATIBLE_IOCTL(PPFCONTROL) COMPATIBLE_IOCTL(PPRDATA) COMPATIBLE_IOCTL(PPWDATA) COMPATIBLE_IOCTL(PPCLAIM) COMPATIBLE_IOCTL(PPRELEASE) COMPATIBLE_IOCTL(PPYIELD) COMPATIBLE_IOCTL(PPEXCL) COMPATIBLE_IOCTL(PPDATADIR) COMPATIBLE_IOCTL(PPNEGOT) COMPATIBLE_IOCTL(PPWCTLONIRQ) COMPATIBLE_IOCTL(PPCLRIRQ) COMPATIBLE_IOCTL(PPSETPHASE) COMPATIBLE_IOCTL(PPGETMODES) COMPATIBLE_IOCTL(PPGETMODE) COMPATIBLE_IOCTL(PPGETPHASE) COMPATIBLE_IOCTL(PPGETFLAGS) COMPATIBLE_IOCTL(PPSETFLAGS) /* pktcdvd */ COMPATIBLE_IOCTL(PACKET_CTRL_CMD) /* Big A */ /* sparc only */ /* Big Q for sound/OSS */ COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET) COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC) COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO) COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE) COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT) COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT) COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE) COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR) COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI) COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES) COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS) COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS) COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO) COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD) COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL) COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE) COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC) COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND) COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME) COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID) COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL) COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE) /* Big T for sound/OSS */ COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE) COMPATIBLE_IOCTL(SNDCTL_TMR_START) COMPATIBLE_IOCTL(SNDCTL_TMR_STOP) COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE) COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO) COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE) COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME) COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT) /* Little m for sound/OSS */ COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME) COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE) COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD) /* Big P for sound/OSS */ COMPATIBLE_IOCTL(SNDCTL_DSP_RESET) COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC) COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED) COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO) COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE) COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS) COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER) COMPATIBLE_IOCTL(SNDCTL_DSP_POST) COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE) COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT) COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS) COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT) COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE) COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE) COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK) COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS) COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER) COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER) COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR) COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR) /* SNDCTL_DSP_MAPINBUF, XXX needs translation */ /* SNDCTL_DSP_MAPOUTBUF, XXX needs translation */ COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO) COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX) COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY) COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE) COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE) COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS) COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS) COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER) /* Big C for sound/OSS */ COMPATIBLE_IOCTL(SNDCTL_COPR_RESET) COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD) COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA) COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE) COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA) COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE) COMPATIBLE_IOCTL(SNDCTL_COPR_RUN) COMPATIBLE_IOCTL(SNDCTL_COPR_HALT) COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG) COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG) /* Big M for sound/OSS */ COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME) COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS) COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE) COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH) COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM) COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER) COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE) COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC) COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD) COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX) COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM) COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV) COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN) COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN) COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1) COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2) COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3) COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1)) COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2)) COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3)) COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN)) COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT)) COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO)) COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO)) COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR)) COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE) /* SOUND_MIXER_READ_ENHANCE, same value as READ_MUTE */ /* SOUND_MIXER_READ_LOUD, same value as READ_MUTE */ COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC) COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK) COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK) COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS) COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS) COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME) COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS) COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE) COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH) COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM) COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER) COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE) COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC) COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD) COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX) COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM) COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV) COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN) COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN) COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1) COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2) COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3) COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1)) COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2)) COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3)) COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN)) COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT)) COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO)) COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO)) COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR)) COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE) /* SOUND_MIXER_WRITE_ENHANCE, same value as WRITE_MUTE */ /* SOUND_MIXER_WRITE_LOUD, same value as WRITE_MUTE */ COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC) COMPATIBLE_IOCTL(SOUND_MIXER_INFO) COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO) COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS) COMPATIBLE_IOCTL(SOUND_MIXER_AGC) COMPATIBLE_IOCTL(SOUND_MIXER_3DSE) COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1) COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2) COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3) COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4) COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5) COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS) COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS) COMPATIBLE_IOCTL(OSS_GETVERSION) /* AUTOFS */ COMPATIBLE_IOCTL(AUTOFS_IOC_CATATONIC) COMPATIBLE_IOCTL(AUTOFS_IOC_PROTOVER) COMPATIBLE_IOCTL(AUTOFS_IOC_EXPIRE) COMPATIBLE_IOCTL(AUTOFS_IOC_EXPIRE_MULTI) COMPATIBLE_IOCTL(AUTOFS_IOC_PROTOSUBVER) COMPATIBLE_IOCTL(AUTOFS_IOC_ASKUMOUNT) /* Raw devices */ COMPATIBLE_IOCTL(RAW_SETBIND) COMPATIBLE_IOCTL(RAW_GETBIND) /* SMB ioctls which do not need any translations */ COMPATIBLE_IOCTL(SMB_IOC_NEWCONN) /* Watchdog */ COMPATIBLE_IOCTL(WDIOC_GETSUPPORT) COMPATIBLE_IOCTL(WDIOC_GETSTATUS) COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS) COMPATIBLE_IOCTL(WDIOC_GETTEMP) COMPATIBLE_IOCTL(WDIOC_SETOPTIONS) COMPATIBLE_IOCTL(WDIOC_KEEPALIVE) COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT) COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT) /* Big R */ COMPATIBLE_IOCTL(RNDGETENTCNT) COMPATIBLE_IOCTL(RNDADDTOENTCNT) COMPATIBLE_IOCTL(RNDGETPOOL) COMPATIBLE_IOCTL(RNDADDENTROPY) COMPATIBLE_IOCTL(RNDZAPENTCNT) COMPATIBLE_IOCTL(RNDCLEARPOOL) /* Bluetooth */ COMPATIBLE_IOCTL(HCIDEVUP) COMPATIBLE_IOCTL(HCIDEVDOWN) COMPATIBLE_IOCTL(HCIDEVRESET) COMPATIBLE_IOCTL(HCIDEVRESTAT) COMPATIBLE_IOCTL(HCIGETDEVLIST) COMPATIBLE_IOCTL(HCIGETDEVINFO) COMPATIBLE_IOCTL(HCIGETCONNLIST) COMPATIBLE_IOCTL(HCIGETCONNINFO) COMPATIBLE_IOCTL(HCIGETAUTHINFO) COMPATIBLE_IOCTL(HCISETRAW) COMPATIBLE_IOCTL(HCISETSCAN) COMPATIBLE_IOCTL(HCISETAUTH) COMPATIBLE_IOCTL(HCISETENCRYPT) COMPATIBLE_IOCTL(HCISETPTYPE) COMPATIBLE_IOCTL(HCISETLINKPOL) COMPATIBLE_IOCTL(HCISETLINKMODE) COMPATIBLE_IOCTL(HCISETACLMTU) COMPATIBLE_IOCTL(HCISETSCOMTU) COMPATIBLE_IOCTL(HCIINQUIRY) COMPATIBLE_IOCTL(HCIUARTSETPROTO) COMPATIBLE_IOCTL(HCIUARTGETPROTO) COMPATIBLE_IOCTL(RFCOMMCREATEDEV) COMPATIBLE_IOCTL(RFCOMMRELEASEDEV) COMPATIBLE_IOCTL(RFCOMMGETDEVLIST) COMPATIBLE_IOCTL(RFCOMMGETDEVINFO) COMPATIBLE_IOCTL(RFCOMMSTEALDLC) COMPATIBLE_IOCTL(BNEPCONNADD) COMPATIBLE_IOCTL(BNEPCONNDEL) COMPATIBLE_IOCTL(BNEPGETCONNLIST) COMPATIBLE_IOCTL(BNEPGETCONNINFO) COMPATIBLE_IOCTL(CMTPCONNADD) COMPATIBLE_IOCTL(CMTPCONNDEL) COMPATIBLE_IOCTL(CMTPGETCONNLIST) COMPATIBLE_IOCTL(CMTPGETCONNINFO) COMPATIBLE_IOCTL(HIDPCONNADD) COMPATIBLE_IOCTL(HIDPCONNDEL) COMPATIBLE_IOCTL(HIDPGETCONNLIST) COMPATIBLE_IOCTL(HIDPGETCONNINFO) /* CAPI */ COMPATIBLE_IOCTL(CAPI_REGISTER) COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER) COMPATIBLE_IOCTL(CAPI_GET_VERSION) COMPATIBLE_IOCTL(CAPI_GET_SERIAL) COMPATIBLE_IOCTL(CAPI_GET_PROFILE) COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD) COMPATIBLE_IOCTL(CAPI_GET_ERRCODE) COMPATIBLE_IOCTL(CAPI_INSTALLED) COMPATIBLE_IOCTL(CAPI_GET_FLAGS) COMPATIBLE_IOCTL(CAPI_SET_FLAGS) COMPATIBLE_IOCTL(CAPI_CLR_FLAGS) COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT) COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT) /* Siemens Gigaset */ COMPATIBLE_IOCTL(GIGASET_REDIR) COMPATIBLE_IOCTL(GIGASET_CONFIG) COMPATIBLE_IOCTL(GIGASET_BRKCHARS) COMPATIBLE_IOCTL(GIGASET_VERSION) /* Misc. */ COMPATIBLE_IOCTL(0x41545900) /* ATYIO_CLKR */ COMPATIBLE_IOCTL(0x41545901) /* ATYIO_CLKW */ COMPATIBLE_IOCTL(PCIIOC_CONTROLLER) COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO) COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM) COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE) /* NBD */ COMPATIBLE_IOCTL(NBD_DO_IT) COMPATIBLE_IOCTL(NBD_CLEAR_SOCK) COMPATIBLE_IOCTL(NBD_CLEAR_QUE) COMPATIBLE_IOCTL(NBD_PRINT_DEBUG) COMPATIBLE_IOCTL(NBD_DISCONNECT) /* i2c */ COMPATIBLE_IOCTL(I2C_SLAVE) COMPATIBLE_IOCTL(I2C_SLAVE_FORCE) COMPATIBLE_IOCTL(I2C_TENBIT) COMPATIBLE_IOCTL(I2C_PEC) COMPATIBLE_IOCTL(I2C_RETRIES) COMPATIBLE_IOCTL(I2C_TIMEOUT) /* hiddev */ COMPATIBLE_IOCTL(HIDIOCGVERSION) COMPATIBLE_IOCTL(HIDIOCAPPLICATION) COMPATIBLE_IOCTL(HIDIOCGDEVINFO) COMPATIBLE_IOCTL(HIDIOCGSTRING) COMPATIBLE_IOCTL(HIDIOCINITREPORT) COMPATIBLE_IOCTL(HIDIOCGREPORT) COMPATIBLE_IOCTL(HIDIOCSREPORT) COMPATIBLE_IOCTL(HIDIOCGREPORTINFO) COMPATIBLE_IOCTL(HIDIOCGFIELDINFO) COMPATIBLE_IOCTL(HIDIOCGUSAGE) COMPATIBLE_IOCTL(HIDIOCSUSAGE) COMPATIBLE_IOCTL(HIDIOCGUCODE) COMPATIBLE_IOCTL(HIDIOCGFLAG) COMPATIBLE_IOCTL(HIDIOCSFLAG) COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX) COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO) /* dvb */ COMPATIBLE_IOCTL(AUDIO_STOP) COMPATIBLE_IOCTL(AUDIO_PLAY) COMPATIBLE_IOCTL(AUDIO_PAUSE) COMPATIBLE_IOCTL(AUDIO_CONTINUE) COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE) COMPATIBLE_IOCTL(AUDIO_SET_MUTE) COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC) COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE) COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT) COMPATIBLE_IOCTL(AUDIO_GET_STATUS) COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES) COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER) COMPATIBLE_IOCTL(AUDIO_SET_ID) COMPATIBLE_IOCTL(AUDIO_SET_MIXER) COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE) COMPATIBLE_IOCTL(AUDIO_SET_EXT_ID) COMPATIBLE_IOCTL(AUDIO_SET_ATTRIBUTES) COMPATIBLE_IOCTL(AUDIO_SET_KARAOKE) COMPATIBLE_IOCTL(DMX_START) COMPATIBLE_IOCTL(DMX_STOP) COMPATIBLE_IOCTL(DMX_SET_FILTER) COMPATIBLE_IOCTL(DMX_SET_PES_FILTER) COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE) COMPATIBLE_IOCTL(DMX_GET_PES_PIDS) COMPATIBLE_IOCTL(DMX_GET_CAPS) COMPATIBLE_IOCTL(DMX_SET_SOURCE) COMPATIBLE_IOCTL(DMX_GET_STC) COMPATIBLE_IOCTL(FE_GET_INFO) COMPATIBLE_IOCTL(FE_DISEQC_RESET_OVERLOAD) COMPATIBLE_IOCTL(FE_DISEQC_SEND_MASTER_CMD) COMPATIBLE_IOCTL(FE_DISEQC_RECV_SLAVE_REPLY) COMPATIBLE_IOCTL(FE_DISEQC_SEND_BURST) COMPATIBLE_IOCTL(FE_SET_TONE) COMPATIBLE_IOCTL(FE_SET_VOLTAGE) COMPATIBLE_IOCTL(FE_ENABLE_HIGH_LNB_VOLTAGE) COMPATIBLE_IOCTL(FE_READ_STATUS) COMPATIBLE_IOCTL(FE_READ_BER) COMPATIBLE_IOCTL(FE_READ_SIGNAL_STRENGTH) COMPATIBLE_IOCTL(FE_READ_SNR) COMPATIBLE_IOCTL(FE_READ_UNCORRECTED_BLOCKS) COMPATIBLE_IOCTL(FE_SET_FRONTEND) COMPATIBLE_IOCTL(FE_GET_FRONTEND) COMPATIBLE_IOCTL(FE_GET_EVENT) COMPATIBLE_IOCTL(FE_DISHNETWORK_SEND_LEGACY_CMD) COMPATIBLE_IOCTL(VIDEO_STOP) COMPATIBLE_IOCTL(VIDEO_PLAY) COMPATIBLE_IOCTL(VIDEO_FREEZE) COMPATIBLE_IOCTL(VIDEO_CONTINUE) COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE) COMPATIBLE_IOCTL(VIDEO_SET_BLANK) COMPATIBLE_IOCTL(VIDEO_GET_STATUS) COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT) COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD) COMPATIBLE_IOCTL(VIDEO_SLOWMOTION) COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES) COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER) COMPATIBLE_IOCTL(VIDEO_SET_ID) COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE) COMPATIBLE_IOCTL(VIDEO_SET_FORMAT) COMPATIBLE_IOCTL(VIDEO_SET_SYSTEM) COMPATIBLE_IOCTL(VIDEO_SET_HIGHLIGHT) COMPATIBLE_IOCTL(VIDEO_SET_SPU) COMPATIBLE_IOCTL(VIDEO_GET_NAVI) COMPATIBLE_IOCTL(VIDEO_SET_ATTRIBUTES) COMPATIBLE_IOCTL(VIDEO_GET_SIZE) COMPATIBLE_IOCTL(VIDEO_GET_FRAME_RATE) /* joystick */ COMPATIBLE_IOCTL(JSIOCGVERSION) COMPATIBLE_IOCTL(JSIOCGAXES) COMPATIBLE_IOCTL(JSIOCGBUTTONS) COMPATIBLE_IOCTL(JSIOCGNAME(0)) #ifdef TIOCGLTC COMPATIBLE_IOCTL(TIOCGLTC) COMPATIBLE_IOCTL(TIOCSLTC) #endif #ifdef TIOCSTART /* * For these two we have definitions in ioctls.h and/or termios.h on * some architectures but no actual implemention. Some applications * like bash call them if they are defined in the headers, so we provide * entries here to avoid syslog message spew. */ COMPATIBLE_IOCTL(TIOCSTART) COMPATIBLE_IOCTL(TIOCSTOP) #endif /* fat 'r' ioctls. These are handled by fat with ->compat_ioctl, but we don't want warnings on other file systems. So declare them as compatible here. */ #define VFAT_IOCTL_READDIR_BOTH32 _IOR('r', 1, struct compat_dirent[2]) #define VFAT_IOCTL_READDIR_SHORT32 _IOR('r', 2, struct compat_dirent[2]) IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32) IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32) #ifdef CONFIG_SPARC /* Sparc framebuffers, handled in sbusfb_compat_ioctl() */ IGNORE_IOCTL(FBIOGTYPE) IGNORE_IOCTL(FBIOSATTR) IGNORE_IOCTL(FBIOGATTR) IGNORE_IOCTL(FBIOSVIDEO) IGNORE_IOCTL(FBIOGVIDEO) IGNORE_IOCTL(FBIOSCURPOS) IGNORE_IOCTL(FBIOGCURPOS) IGNORE_IOCTL(FBIOGCURMAX) IGNORE_IOCTL(FBIOPUTCMAP32) IGNORE_IOCTL(FBIOGETCMAP32) IGNORE_IOCTL(FBIOSCURSOR32) IGNORE_IOCTL(FBIOGCURSOR32) #endif }; /* * Convert common ioctl arguments based on their command number * * Please do not add any code in here. Instead, implement * a compat_ioctl operation in the place that handleѕ the * ioctl for the native case. */ static long do_ioctl_trans(int fd, unsigned int cmd, unsigned long arg, struct file *file) { void __user *argp = compat_ptr(arg); switch (cmd) { case PPPIOCGIDLE32: return ppp_gidle(fd, cmd, argp); case PPPIOCSCOMPRESS32: return ppp_scompress(fd, cmd, argp); case PPPIOCSPASS32: case PPPIOCSACTIVE32: return ppp_sock_fprog_ioctl_trans(fd, cmd, argp); #ifdef CONFIG_BLOCK case SG_IO: return sg_ioctl_trans(fd, cmd, argp); case SG_GET_REQUEST_TABLE: return sg_grt_trans(fd, cmd, argp); case MTIOCGET32: case MTIOCPOS32: return mt_ioctl_trans(fd, cmd, argp); /* Raw devices */ case RAW_SETBIND: case RAW_GETBIND: return raw_ioctl(fd, cmd, argp); #endif #define AUTOFS_IOC_SETTIMEOUT32 _IOWR(0x93,0x64,unsigned int) case AUTOFS_IOC_SETTIMEOUT32: return ioc_settimeout(fd, cmd, argp); /* One SMB ioctl needs translations. */ #define SMB_IOC_GETMOUNTUID_32 _IOR('u', 1, compat_uid_t) case SMB_IOC_GETMOUNTUID_32: return do_smb_getmountuid(fd, cmd, argp); /* Serial */ case TIOCGSERIAL: case TIOCSSERIAL: return serial_struct_ioctl(fd, cmd, argp); /* i2c */ case I2C_FUNCS: return w_long(fd, cmd, argp); case I2C_RDWR: return do_i2c_rdwr_ioctl(fd, cmd, argp); case I2C_SMBUS: return do_i2c_smbus_ioctl(fd, cmd, argp); /* Not implemented in the native kernel */ case RTC_IRQP_READ32: case RTC_IRQP_SET32: case RTC_EPOCH_READ32: case RTC_EPOCH_SET32: return rtc_ioctl(fd, cmd, argp); /* dvb */ case VIDEO_GET_EVENT: return do_video_get_event(fd, cmd, argp); case VIDEO_STILLPICTURE: return do_video_stillpicture(fd, cmd, argp); case VIDEO_SET_SPU_PALETTE: return do_video_set_spu_palette(fd, cmd, argp); } /* * These take an integer instead of a pointer as 'arg', * so we must not do a compat_ptr() translation. */ switch (cmd) { /* Big T */ case TCSBRKP: case TIOCMIWAIT: case TIOCSCTTY: /* RAID */ case HOT_REMOVE_DISK: case HOT_ADD_DISK: case SET_DISK_FAULTY: case SET_BITMAP_FILE: /* Big K */ case KDSIGACCEPT: case KIOCSOUND: case KDMKTONE: case KDSETMODE: case KDSKBMODE: case KDSKBMETA: case KDSKBLED: case KDSETLED: /* AUTOFS */ case AUTOFS_IOC_READY: case AUTOFS_IOC_FAIL: /* NBD */ case NBD_SET_SOCK: case NBD_SET_BLKSIZE: case NBD_SET_SIZE: case NBD_SET_SIZE_BLOCKS: return do_vfs_ioctl(file, fd, cmd, arg); } return -ENOIOCTLCMD; } static void compat_ioctl_error(struct file *filp, unsigned int fd, unsigned int cmd, unsigned long arg) { char buf[10]; char *fn = "?"; char *path; /* find the name of the device. */ path = (char *)__get_free_page(GFP_KERNEL); if (path) { fn = d_path(&filp->f_path, path, PAGE_SIZE); if (IS_ERR(fn)) fn = "?"; } sprintf(buf,"'%c'", (cmd>>_IOC_TYPESHIFT) & _IOC_TYPEMASK); if (!isprint(buf[1])) sprintf(buf, "%02x", buf[1]); compat_printk("ioctl32(%s:%d): Unknown cmd fd(%d) " "cmd(%08x){t:%s;sz:%u} arg(%08x) on %s\n", current->comm, current->pid, (int)fd, (unsigned int)cmd, buf, (cmd >> _IOC_SIZESHIFT) & _IOC_SIZEMASK, (unsigned int)arg, fn); if (path) free_page((unsigned long)path); } static int compat_ioctl_check_table(unsigned int xcmd) { int i; const int max = ARRAY_SIZE(ioctl_pointer) - 1; BUILD_BUG_ON(max >= (1 << 16)); /* guess initial offset into table, assuming a normalized distribution */ i = ((xcmd >> 16) * max) >> 16; /* do linear search up first, until greater or equal */ while (ioctl_pointer[i] < xcmd && i < max) i++; /* then do linear search down */ while (ioctl_pointer[i] > xcmd && i > 0) i--; return ioctl_pointer[i] == xcmd; } asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) { struct file *filp; int error = -EBADF; int fput_needed; filp = fget_light(fd, &fput_needed); if (!filp) goto out; /* RED-PEN how should LSM module know it's handling 32bit? */ error = security_file_ioctl(filp, cmd, arg); if (error) goto out_fput; /* * To allow the compat_ioctl handlers to be self contained * we need to check the common ioctls here first. * Just handle them with the standard handlers below. */ switch (cmd) { case FIOCLEX: case FIONCLEX: case FIONBIO: case FIOASYNC: case FIOQSIZE: break; #if defined(CONFIG_IA64) || defined(CONFIG_X86_64) case FS_IOC_RESVSP_32: case FS_IOC_RESVSP64_32: error = compat_ioctl_preallocate(filp, compat_ptr(arg)); goto out_fput; #else case FS_IOC_RESVSP: case FS_IOC_RESVSP64: error = ioctl_preallocate(filp, compat_ptr(arg)); goto out_fput; #endif case FIBMAP: case FIGETBSZ: case FIONREAD: if (S_ISREG(filp->f_path.dentry->d_inode->i_mode)) break; /*FALL THROUGH*/ default: if (filp->f_op && filp->f_op->compat_ioctl) { error = filp->f_op->compat_ioctl(filp, cmd, arg); if (error != -ENOIOCTLCMD) goto out_fput; } if (!filp->f_op || (!filp->f_op->ioctl && !filp->f_op->unlocked_ioctl)) goto do_ioctl; break; } if (compat_ioctl_check_table(XFORM(cmd))) goto found_handler; error = do_ioctl_trans(fd, cmd, arg, filp); if (error == -ENOIOCTLCMD) { static int count; if (++count <= 50) compat_ioctl_error(filp, fd, cmd, arg); error = -EINVAL; } goto out_fput; found_handler: arg = (unsigned long)compat_ptr(arg); do_ioctl: error = do_vfs_ioctl(filp, fd, cmd, arg); out_fput: fput_light(filp, fput_needed); out: return error; } static int __init init_sys32_ioctl_cmp(const void *p, const void *q) { unsigned int a, b; a = *(unsigned int *)p; b = *(unsigned int *)q; if (a > b) return 1; if (a < b) return -1; return 0; } static int __init init_sys32_ioctl(void) { sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer), init_sys32_ioctl_cmp, NULL); return 0; } __initcall(init_sys32_ioctl);