/* * ioctl32.c: Conversion between 32bit and 64bit native ioctls. * * Copyright (C) 2000 Silicon Graphics, Inc. * Written by Ulf Carlsson (ulfc@engr.sgi.com) * Copyright (C) 2000 Ralf Baechle * Copyright (C) 2002 Maciej W. Rozycki * * Mostly stolen from the sparc64 ioctl32 implementation. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #undef __KERNEL__ /* This file was born to be ugly ... */ #include #define __KERNEL__ #include #include #include #include #ifdef CONFIG_MTD_CHAR #include #endif #ifdef CONFIG_SIBYTE_TBPROF #include #endif long sys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg); static int w_long(unsigned int fd, unsigned int cmd, unsigned long arg) { 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((unsigned int) val, (u32 *)arg)) return -EFAULT; return err; } static int rw_long(unsigned int fd, unsigned int cmd, unsigned long arg) { mm_segment_t old_fs = get_fs(); int err; unsigned long val; if (get_user(val, (u32 *)arg)) return -EFAULT; set_fs(KERNEL_DS); err = sys_ioctl(fd, cmd, (unsigned long)&val); set_fs (old_fs); if (!err && put_user(val, (u32 *)arg)) return -EFAULT; return err; } #define A(__x) ((unsigned long)(__x)) #ifdef CONFIG_FB struct fb_fix_screeninfo32 { char id[16]; /* identification string eg "TT Builtin" */ __u32 smem_start; /* Start of frame buffer mem */ /* (physical address) */ __u32 smem_len; /* Length of frame buffer mem */ __u32 type; /* see FB_TYPE_* */ __u32 type_aux; /* Interleave for interleaved Planes */ __u32 visual; /* see FB_VISUAL_* */ __u16 xpanstep; /* zero if no hardware panning */ __u16 ypanstep; /* zero if no hardware panning */ __u16 ywrapstep; /* zero if no hardware ywrap */ __u32 line_length; /* length of a line in bytes */ __u32 mmio_start; /* Start of Memory Mapped I/O */ /* (physical address) */ __u32 mmio_len; /* Length of Memory Mapped I/O */ __u32 accel; /* Type of acceleration available */ __u16 reserved[3]; /* Reserved for future compatibility */ }; static int do_fbioget_fscreeninfo_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) { mm_segment_t old_fs = get_fs(); struct fb_fix_screeninfo fix; struct fb_fix_screeninfo32 *fix32 = (struct fb_fix_screeninfo32 *)arg; int err; set_fs(KERNEL_DS); err = sys_ioctl(fd, cmd, (unsigned long)&fix); set_fs(old_fs); if (err == 0) { err = __copy_to_user((char *)fix32->id, (char *)fix.id, sizeof(fix.id)); err |= __put_user((__u32)(unsigned long)fix.smem_start, &fix32->smem_start); err |= __put_user(fix.smem_len, &fix32->smem_len); err |= __put_user(fix.type, &fix32->type); err |= __put_user(fix.type_aux, &fix32->type_aux); err |= __put_user(fix.visual, &fix32->visual); err |= __put_user(fix.xpanstep, &fix32->xpanstep); err |= __put_user(fix.ypanstep, &fix32->ypanstep); err |= __put_user(fix.ywrapstep, &fix32->ywrapstep); err |= __put_user(fix.line_length, &fix32->line_length); err |= __put_user((__u32)(unsigned long)fix.mmio_start, &fix32->mmio_start); err |= __put_user(fix.mmio_len, &fix32->mmio_len); err |= __put_user(fix.accel, &fix32->accel); err |= __copy_to_user((char *)fix32->reserved, (char *)fix.reserved, sizeof(fix.reserved)); if (err) err = -EFAULT; } return err; } struct fb_cmap32 { __u32 start; /* First entry */ __u32 len; /* Number of entries */ __u32 red; /* Red values */ __u32 green; __u32 blue; __u32 transp; /* transparency, can be NULL */ }; static int do_fbiocmap_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) { mm_segment_t old_fs = get_fs(); u32 red = 0, green = 0, blue = 0, transp = 0; struct fb_cmap cmap; struct fb_cmap32 *cmap32 = (struct fb_cmap32 *)arg; int err; memset(&cmap, 0, sizeof(cmap)); err = __get_user(cmap.start, &cmap32->start); err |= __get_user(cmap.len, &cmap32->len); err |= __get_user(red, &cmap32->red); err |= __get_user(green, &cmap32->green); err |= __get_user(blue, &cmap32->blue); err |= __get_user(transp, &cmap32->transp); if (err) return -EFAULT; err = -ENOMEM; cmap.red = kmalloc(cmap.len * sizeof(__u16), GFP_KERNEL); if (!cmap.red) goto out; cmap.green = kmalloc(cmap.len * sizeof(__u16), GFP_KERNEL); if (!cmap.green) goto out; cmap.blue = kmalloc(cmap.len * sizeof(__u16), GFP_KERNEL); if (!cmap.blue) goto out; if (transp) { cmap.transp = kmalloc(cmap.len * sizeof(__u16), GFP_KERNEL); if (!cmap.transp) goto out; } if (cmd == FBIOPUTCMAP) { err = __copy_from_user(cmap.red, (char *)A(red), cmap.len * sizeof(__u16)); err |= __copy_from_user(cmap.green, (char *)A(green), cmap.len * sizeof(__u16)); err |= __copy_from_user(cmap.blue, (char *)A(blue), cmap.len * sizeof(__u16)); if (cmap.transp) err |= __copy_from_user(cmap.transp, (char *)A(transp), cmap.len * sizeof(__u16)); if (err) { err = -EFAULT; goto out; } } set_fs(KERNEL_DS); err = sys_ioctl(fd, cmd, (unsigned long)&cmap); set_fs(old_fs); if (err) goto out; if (cmd == FBIOGETCMAP) { err = __copy_to_user((char *)A(red), cmap.red, cmap.len * sizeof(__u16)); err |= __copy_to_user((char *)A(green), cmap.blue, cmap.len * sizeof(__u16)); err |= __copy_to_user((char *)A(blue), cmap.blue, cmap.len * sizeof(__u16)); if (cmap.transp) err |= __copy_to_user((char *)A(transp), cmap.transp, cmap.len * sizeof(__u16)); if (err) { err = -EFAULT; goto out; } } out: if (cmap.red) kfree(cmap.red); if (cmap.green) kfree(cmap.green); if (cmap.blue) kfree(cmap.blue); if (cmap.transp) kfree(cmap.transp); return err; } #endif /* CONFIG_FB */ struct timeval32 { int tv_sec; int tv_usec; }; static int do_siocgstamp(unsigned int fd, unsigned int cmd, unsigned long arg) { struct timeval32 *up = (struct timeval32 *)arg; struct timeval ktv; mm_segment_t old_fs = get_fs(); int err; set_fs(KERNEL_DS); err = sys_ioctl(fd, cmd, (unsigned long)&ktv); set_fs(old_fs); if (!err) { err = put_user(ktv.tv_sec, &up->tv_sec); err |= __put_user(ktv.tv_usec, &up->tv_usec); } return err; } #define EXT2_IOC32_GETFLAGS _IOR('f', 1, int) #define EXT2_IOC32_SETFLAGS _IOW('f', 2, int) #define EXT2_IOC32_GETVERSION _IOR('v', 1, int) #define EXT2_IOC32_SETVERSION _IOW('v', 2, int) struct ifmap32 { unsigned int mem_start; unsigned int mem_end; unsigned short base_addr; unsigned char irq; unsigned char dma; unsigned char port; }; struct ifreq32 { #define IFHWADDRLEN 6 #define IFNAMSIZ 16 union { char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ } ifr_ifrn; union { struct sockaddr ifru_addr; struct sockaddr ifru_dstaddr; struct sockaddr ifru_broadaddr; struct sockaddr ifru_netmask; struct sockaddr ifru_hwaddr; short ifru_flags; int ifru_ivalue; int ifru_mtu; struct ifmap32 ifru_map; char ifru_slave[IFNAMSIZ]; /* Just fits the size */ char ifru_newname[IFNAMSIZ]; __kernel_caddr_t32 ifru_data; } ifr_ifru; }; struct ifconf32 { int ifc_len; /* size of buffer */ __kernel_caddr_t32 ifcbuf; }; #ifdef CONFIG_NET static int dev_ifname32(unsigned int fd, unsigned int cmd, unsigned long arg) { struct ireq32 *uir32 = (struct ireq32 *)arg; struct net_device *dev; struct ifreq32 ifr32; if (copy_from_user(&ifr32, uir32, sizeof(struct ifreq32))) return -EFAULT; read_lock(&dev_base_lock); dev = __dev_get_by_index(ifr32.ifr_ifindex); if (!dev) { read_unlock(&dev_base_lock); return -ENODEV; } strcpy(ifr32.ifr_name, dev->name); read_unlock(&dev_base_lock); if (copy_to_user(uir32, &ifr32, sizeof(struct ifreq32))) return -EFAULT; return 0; } static inline int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg) { struct ioconf32 *uifc32 = (struct ioconf32 *)arg; struct ifconf32 ifc32; struct ifconf ifc; struct ifreq32 *ifr32; struct ifreq *ifr; mm_segment_t old_fs; int len; int err; if (copy_from_user(&ifc32, uifc32, sizeof(struct ifconf32))) return -EFAULT; if(ifc32.ifcbuf == 0) { ifc32.ifc_len = 0; ifc.ifc_len = 0; ifc.ifc_buf = NULL; } else { ifc.ifc_len = ((ifc32.ifc_len / sizeof (struct ifreq32))) * sizeof (struct ifreq); ifc.ifc_buf = kmalloc (ifc.ifc_len, GFP_KERNEL); if (!ifc.ifc_buf) return -ENOMEM; } ifr = ifc.ifc_req; ifr32 = (struct ifreq32 *)A(ifc32.ifcbuf); len = ifc32.ifc_len / sizeof (struct ifreq32); while (len--) { if (copy_from_user(ifr++, ifr32++, sizeof (struct ifreq32))) { err = -EFAULT; goto out; } } old_fs = get_fs(); set_fs (KERNEL_DS); err = sys_ioctl (fd, SIOCGIFCONF, (unsigned long)&ifc); set_fs (old_fs); if (err) goto out; ifr = ifc.ifc_req; ifr32 = (struct ifreq32 *)A(ifc32.ifcbuf); len = ifc.ifc_len / sizeof (struct ifreq); ifc32.ifc_len = len * sizeof (struct ifreq32); while (len--) { if (copy_to_user(ifr32++, ifr++, sizeof (struct ifreq32))) { err = -EFAULT; goto out; } } if (copy_to_user(uifc32, &ifc32, sizeof(struct ifconf32))) { err = -EFAULT; goto out; } out: if(ifc.ifc_buf != NULL) kfree (ifc.ifc_buf); return err; } static int dev_ifsioc(unsigned int fd, unsigned int cmd, unsigned long arg) { struct ifreq ifr; mm_segment_t old_fs; int err; switch (cmd) { case SIOCSIFMAP: err = copy_from_user(&ifr, (struct ifreq32 *)arg, sizeof(ifr.ifr_name)); err |= __get_user(ifr.ifr_map.mem_start, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.mem_start)); err |= __get_user(ifr.ifr_map.mem_end, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.mem_end)); err |= __get_user(ifr.ifr_map.base_addr, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.base_addr)); err |= __get_user(ifr.ifr_map.irq, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.irq)); err |= __get_user(ifr.ifr_map.dma, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.dma)); err |= __get_user(ifr.ifr_map.port, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.port)); if (err) return -EFAULT; break; default: if (copy_from_user(&ifr, (struct ifreq32 *)arg, sizeof(struct ifreq32))) return -EFAULT; break; } old_fs = get_fs(); set_fs (KERNEL_DS); err = sys_ioctl (fd, cmd, (unsigned long)&ifr); set_fs (old_fs); if (!err) { switch (cmd) { case SIOCGIFFLAGS: case SIOCGIFMETRIC: case SIOCGIFMTU: case SIOCGIFMEM: case SIOCGIFHWADDR: case SIOCGIFINDEX: case SIOCGIFADDR: case SIOCGIFBRDADDR: case SIOCGIFDSTADDR: case SIOCGIFNETMASK: case SIOCGIFTXQLEN: if (copy_to_user((struct ifreq32 *)arg, &ifr, sizeof(struct ifreq32))) return -EFAULT; break; case SIOCGIFMAP: err = copy_to_user((struct ifreq32 *)arg, &ifr, sizeof(ifr.ifr_name)); err |= __put_user(ifr.ifr_map.mem_start, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.mem_start)); err |= __put_user(ifr.ifr_map.mem_end, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.mem_end)); err |= __put_user(ifr.ifr_map.base_addr, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.base_addr)); err |= __put_user(ifr.ifr_map.irq, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.irq)); err |= __put_user(ifr.ifr_map.dma, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.dma)); err |= __put_user(ifr.ifr_map.port, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.port)); if (err) err = -EFAULT; break; } } return err; } struct rtentry32 { unsigned int rt_pad1; struct sockaddr rt_dst; /* target address */ struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */ struct sockaddr rt_genmask; /* target network mask (IP) */ unsigned short rt_flags; short rt_pad2; unsigned int rt_pad3; unsigned int rt_pad4; short rt_metric; /* +1 for binary compatibility! */ unsigned int rt_dev; /* forcing the device at add */ unsigned int rt_mtu; /* per route MTU/Window */ #ifndef __KERNEL__ #define rt_mss rt_mtu /* Compatibility :-( */ #endif unsigned int rt_window; /* Window clamping */ unsigned short rt_irtt; /* Initial RTT */ }; static inline int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) { struct rtentry32 *ur = (struct rtentry32 *)arg; struct rtentry r; char devname[16]; u32 rtdev; int ret; mm_segment_t old_fs = get_fs(); ret = copy_from_user (&r.rt_dst, &(ur->rt_dst), 3 * sizeof(struct sockaddr)); ret |= __get_user (r.rt_flags, &(ur->rt_flags)); ret |= __get_user (r.rt_metric, &(ur->rt_metric)); ret |= __get_user (r.rt_mtu, &(ur->rt_mtu)); ret |= __get_user (r.rt_window, &(ur->rt_window)); ret |= __get_user (r.rt_irtt, &(ur->rt_irtt)); ret |= __get_user (rtdev, &(ur->rt_dev)); if (rtdev) { ret |= copy_from_user (devname, (char *)A(rtdev), 15); r.rt_dev = devname; devname[15] = 0; } else r.rt_dev = 0; if (ret) return -EFAULT; set_fs (KERNEL_DS); ret = sys_ioctl (fd, cmd, (long)&r); set_fs (old_fs); return ret; } #endif /* CONFIG_NET */ static int do_ext2_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) { /* These are just misnamed, they actually get/put from/to user an int */ switch (cmd) { case EXT2_IOC32_GETFLAGS: cmd = EXT2_IOC_GETFLAGS; break; case EXT2_IOC32_SETFLAGS: cmd = EXT2_IOC_SETFLAGS; break; case EXT2_IOC32_GETVERSION: cmd = EXT2_IOC_GETVERSION; break; case EXT2_IOC32_SETVERSION: cmd = EXT2_IOC_SETVERSION; break; } return sys_ioctl(fd, cmd, arg); } struct hd_geometry32 { unsigned char heads; unsigned char sectors; unsigned short cylinders; u32 start; }; static int hdio_getgeo(unsigned int fd, unsigned int cmd, unsigned long arg) { mm_segment_t old_fs = get_fs(); struct hd_geometry geo; int err; set_fs (KERNEL_DS); err = sys_ioctl(fd, HDIO_GETGEO, (unsigned long)&geo); set_fs (old_fs); if (!err) { err = copy_to_user ((struct hd_geometry32 *)arg, &geo, 4); err |= __put_user (geo.start, &(((struct hd_geometry32 *)arg)->start)); } return err ? -EFAULT : 0; } static int hdio_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg) { mm_segment_t old_fs = get_fs(); unsigned long kval; unsigned int *uvp; int error; set_fs(KERNEL_DS); error = sys_ioctl(fd, cmd, (long)&kval); set_fs(old_fs); if (error == 0) { uvp = (unsigned int *)arg; if (put_user(kval, uvp)) error = -EFAULT; } return error; } static int ret_einval(unsigned int fd, unsigned int cmd, unsigned long arg) { return -EINVAL; } struct blkpg_ioctl_arg32 { int op; int flags; int datalen; u32 data; }; static int blkpg_ioctl_trans(unsigned int fd, unsigned int cmd, struct blkpg_ioctl_arg32 *arg) { struct blkpg_ioctl_arg a; struct blkpg_partition p; int err; mm_segment_t old_fs = get_fs(); err = get_user(a.op, &arg->op); err |= __get_user(a.flags, &arg->flags); err |= __get_user(a.datalen, &arg->datalen); err |= __get_user((long)a.data, &arg->data); if (err) return err; switch (a.op) { case BLKPG_ADD_PARTITION: case BLKPG_DEL_PARTITION: if (a.datalen < sizeof(struct blkpg_partition)) return -EINVAL; if (copy_from_user(&p, a.data, sizeof(struct blkpg_partition))) return -EFAULT; a.data = &p; set_fs (KERNEL_DS); err = sys_ioctl(fd, cmd, (unsigned long)&a); set_fs (old_fs); default: return -EINVAL; } return err; } struct mtget32 { __u32 mt_type; __u32 mt_resid; __u32 mt_dsreg; __u32 mt_gstat; __u32 mt_erreg; __kernel_daddr_t32 mt_fileno; __kernel_daddr_t32 mt_blkno; }; #define MTIOCGET32 _IOR('m', 2, struct mtget32) struct mtpos32 { __u32 mt_blkno; }; #define MTIOCPOS32 _IOR('m', 3, struct mtpos32) struct mtconfiginfo32 { __u32 mt_type; __u32 ifc_type; __u16 irqnr; __u16 dmanr; __u16 port; __u32 debug; __u32 have_dens:1; __u32 have_bsf:1; __u32 have_fsr:1; __u32 have_bsr:1; __u32 have_eod:1; __u32 have_seek:1; __u32 have_tell:1; __u32 have_ras1:1; __u32 have_ras2:1; __u32 have_ras3:1; __u32 have_qfa:1; __u32 pad1:5; char reserved[10]; }; #define MTIOCGETCONFIG32 _IOR('m', 4, struct mtconfiginfo32) #define MTIOCSETCONFIG32 _IOW('m', 5, struct mtconfiginfo32) static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg) { mm_segment_t old_fs = get_fs(); struct mtconfiginfo info; struct mtget get; struct mtpos pos; unsigned long kcmd; void *karg; int err = 0; switch(cmd) { case MTIOCPOS32: kcmd = MTIOCPOS; karg = &pos; break; case MTIOCGET32: kcmd = MTIOCGET; karg = &get; break; case MTIOCGETCONFIG32: kcmd = MTIOCGETCONFIG; karg = &info; break; case MTIOCSETCONFIG32: kcmd = MTIOCSETCONFIG; karg = &info; err = __get_user(info.mt_type, &((struct mtconfiginfo32 *)arg)->mt_type); err |= __get_user(info.ifc_type, &((struct mtconfiginfo32 *)arg)->ifc_type); err |= __get_user(info.irqnr, &((struct mtconfiginfo32 *)arg)->irqnr); err |= __get_user(info.dmanr, &((struct mtconfiginfo32 *)arg)->dmanr); err |= __get_user(info.port, &((struct mtconfiginfo32 *)arg)->port); err |= __get_user(info.debug, &((struct mtconfiginfo32 *)arg)->debug); err |= __copy_from_user((char *)&info.debug + sizeof(info.debug), (char *)&((struct mtconfiginfo32 *)arg)->debug + sizeof(((struct mtconfiginfo32 *)arg)->debug), sizeof(__u32)); if (err) return -EFAULT; break; default: do { static int count = 0; if (++count <= 20) printk("mt_ioctl: Unknown cmd fd(%d) " "cmd(%08x) arg(%08x)\n", (int)fd, (unsigned int)cmd, (unsigned int)arg); } while(0); return -EINVAL; } set_fs (KERNEL_DS); err = sys_ioctl (fd, kcmd, (unsigned long)karg); set_fs (old_fs); if (err) return err; switch (cmd) { case MTIOCPOS32: err = __put_user(pos.mt_blkno, &((struct mtpos32 *)arg)->mt_blkno); break; case MTIOCGET32: err = __put_user(get.mt_type, &((struct mtget32 *)arg)->mt_type); err |= __put_user(get.mt_resid, &((struct mtget32 *)arg)->mt_resid); err |= __put_user(get.mt_dsreg, &((struct mtget32 *)arg)->mt_dsreg); err |= __put_user(get.mt_gstat, &((struct mtget32 *)arg)->mt_gstat); err |= __put_user(get.mt_erreg, &((struct mtget32 *)arg)->mt_erreg); err |= __put_user(get.mt_fileno, &((struct mtget32 *)arg)->mt_fileno); err |= __put_user(get.mt_blkno, &((struct mtget32 *)arg)->mt_blkno); break; case MTIOCGETCONFIG32: err = __put_user(info.mt_type, &((struct mtconfiginfo32 *)arg)->mt_type); err |= __put_user(info.ifc_type, &((struct mtconfiginfo32 *)arg)->ifc_type); err |= __put_user(info.irqnr, &((struct mtconfiginfo32 *)arg)->irqnr); err |= __put_user(info.dmanr, &((struct mtconfiginfo32 *)arg)->dmanr); err |= __put_user(info.port, &((struct mtconfiginfo32 *)arg)->port); err |= __put_user(info.debug, &((struct mtconfiginfo32 *)arg)->debug); err |= __copy_to_user((char *)&((struct mtconfiginfo32 *)arg)->debug + sizeof(((struct mtconfiginfo32 *)arg)->debug), (char *)&info.debug + sizeof(info.debug), sizeof(__u32)); break; case MTIOCSETCONFIG32: break; } return err ? -EFAULT: 0; } #define AUTOFS_IOC_SETTIMEOUT32 _IOWR(0x93,0x64,unsigned int) static int ioc_settimeout(unsigned int fd, unsigned int cmd, unsigned long arg) { return rw_long(fd, AUTOFS_IOC_SETTIMEOUT, arg); } /* serial_struct_ioctl was taken from x86_64/ia32/ia32_ioctl.c and * slightly modified for mips */ /* iomem_base is unsigned char * in linux/serial.h (reserved in sgiserial.h) */ struct serial_struct32 { int type; int line; unsigned int port; int irq; int flags; int xmit_fifo_size; int custom_divisor; int baud_base; unsigned short close_delay; char io_type; char reserved_char[1]; int hub6; unsigned short closing_wait; /* time to wait before closing */ unsigned short closing_wait2; /* no longer used... */ __u32 iomem_base; unsigned short iomem_reg_shift; unsigned int port_high; int reserved[1]; }; static int serial_struct_ioctl(unsigned fd, unsigned cmd, void *ptr) { typedef struct serial_struct SS; struct serial_struct32 *ss32 = ptr; int err = 0; struct serial_struct ss; mm_segment_t oldseg = get_fs(); set_fs(KERNEL_DS); if (cmd == TIOCSSERIAL) { err = -EFAULT; if (copy_from_user(&ss, ss32, sizeof(struct serial_struct32))) goto out; memmove(&ss.iomem_reg_shift, ((char*)&ss.iomem_base)+4, sizeof(SS)-offsetof(SS,iomem_reg_shift)); ss.iomem_base = (void *)(long)ss.iomem_base; /* sign extend */ } if (!err) err = sys_ioctl(fd,cmd,(unsigned long)(&ss)); if (cmd == TIOCGSERIAL && err >= 0) { __u32 base; if (__copy_to_user(ss32,&ss,offsetof(SS,iomem_base)) || __copy_to_user(&ss32->iomem_reg_shift, &ss.iomem_reg_shift, sizeof(SS) - offsetof(SS, iomem_reg_shift))) err = -EFAULT; base = (unsigned long)ss.iomem_base; err |= __put_user(base, &ss32->iomem_base); } out: set_fs(oldseg); return err; } /* loop_status was taken from sparc64/kernel/ioctl32.c */ struct loop_info32 { int lo_number; /* ioctl r/o */ __kernel_dev_t32 lo_device; /* ioctl r/o */ unsigned int lo_inode; /* ioctl r/o */ __kernel_dev_t32 lo_rdevice; /* ioctl r/o */ int lo_offset; int lo_encrypt_type; int lo_encrypt_key_size; /* ioctl w/o */ int lo_flags; /* ioctl r/o */ char lo_name[LO_NAME_SIZE]; unsigned char lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */ unsigned int lo_init[2]; char reserved[4]; }; static int loop_status(unsigned int fd, unsigned int cmd, unsigned long arg) { mm_segment_t old_fs = get_fs(); struct loop_info l; int err = -EINVAL; switch(cmd) { case LOOP_SET_STATUS: err = get_user(l.lo_number, &((struct loop_info32 *)arg)->lo_number); err |= __get_user(l.lo_device, &((struct loop_info32 *)arg)->lo_device); err |= __get_user(l.lo_inode, &((struct loop_info32 *)arg)->lo_inode); err |= __get_user(l.lo_rdevice, &((struct loop_info32 *)arg)->lo_rdevice); err |= __copy_from_user((char *)&l.lo_offset, (char *)&((struct loop_info32 *)arg)->lo_offset, 8 + (unsigned long)l.lo_init - (unsigned long)&l.lo_offset); if (err) { err = -EFAULT; } else { set_fs (KERNEL_DS); err = sys_ioctl (fd, cmd, (unsigned long)&l); set_fs (old_fs); } break; case LOOP_GET_STATUS: set_fs (KERNEL_DS); err = sys_ioctl (fd, cmd, (unsigned long)&l); set_fs (old_fs); if (!err) { err = put_user(l.lo_number, &((struct loop_info32 *)arg)->lo_number); err |= __put_user(l.lo_device, &((struct loop_info32 *)arg)->lo_device); err |= __put_user(l.lo_inode, &((struct loop_info32 *)arg)->lo_inode); err |= __put_user(l.lo_rdevice, &((struct loop_info32 *)arg)->lo_rdevice); err |= __copy_to_user((char *)&((struct loop_info32 *)arg)->lo_offset, (char *)&l.lo_offset, (unsigned long)l.lo_init - (unsigned long)&l.lo_offset); if (err) err = -EFAULT; } break; default: { static int count; if (++count <= 20) printk("%s: Unknown loop ioctl cmd, fd(%d) " "cmd(%08x) arg(%08lx)\n", __FUNCTION__, fd, cmd, arg); } } return err; } struct ioctl32_handler { unsigned int cmd; int (*function)(unsigned int, unsigned int, unsigned long); }; struct ioctl32_list { struct ioctl32_handler handler; struct ioctl32_list *next; }; #define IOCTL32_DEFAULT(cmd) { { cmd, (void *) sys_ioctl }, 0 } #define IOCTL32_HANDLER(cmd, handler) { { cmd, (void *) handler }, 0 } static struct ioctl32_list ioctl32_handler_table[] = { IOCTL32_DEFAULT(TCGETA), IOCTL32_DEFAULT(TCSETA), IOCTL32_DEFAULT(TCSETAW), IOCTL32_DEFAULT(TCSETAF), IOCTL32_DEFAULT(TCSBRK), IOCTL32_DEFAULT(TCXONC), IOCTL32_DEFAULT(TCFLSH), IOCTL32_DEFAULT(TCGETS), IOCTL32_DEFAULT(TCSETS), IOCTL32_DEFAULT(TCSETSW), IOCTL32_DEFAULT(TCSETSF), IOCTL32_DEFAULT(TIOCLINUX), IOCTL32_DEFAULT(TIOCGETD), IOCTL32_DEFAULT(TIOCSETD), IOCTL32_DEFAULT(TIOCEXCL), IOCTL32_DEFAULT(TIOCNXCL), IOCTL32_DEFAULT(TIOCCONS), IOCTL32_DEFAULT(TIOCGSOFTCAR), IOCTL32_DEFAULT(TIOCSSOFTCAR), IOCTL32_DEFAULT(TIOCSWINSZ), IOCTL32_DEFAULT(TIOCGWINSZ), IOCTL32_DEFAULT(TIOCMGET), IOCTL32_DEFAULT(TIOCMBIC), IOCTL32_DEFAULT(TIOCMBIS), IOCTL32_DEFAULT(TIOCMSET), IOCTL32_DEFAULT(TIOCPKT), IOCTL32_DEFAULT(TIOCNOTTY), IOCTL32_DEFAULT(TIOCSTI), IOCTL32_DEFAULT(TIOCOUTQ), IOCTL32_DEFAULT(TIOCSPGRP), IOCTL32_DEFAULT(TIOCGPGRP), IOCTL32_DEFAULT(TIOCSCTTY), IOCTL32_DEFAULT(TIOCGPTN), IOCTL32_DEFAULT(TIOCSPTLCK), IOCTL32_HANDLER(TIOCGSERIAL, serial_struct_ioctl), IOCTL32_HANDLER(TIOCSSERIAL, serial_struct_ioctl), IOCTL32_DEFAULT(TIOCSERGETLSR), IOCTL32_DEFAULT(FIOCLEX), IOCTL32_DEFAULT(FIONCLEX), IOCTL32_DEFAULT(FIOASYNC), IOCTL32_DEFAULT(FIONBIO), IOCTL32_DEFAULT(FIONREAD), #ifdef CONFIG_FB /* Big F */ IOCTL32_DEFAULT(FBIOGET_VSCREENINFO), IOCTL32_DEFAULT(FBIOPUT_VSCREENINFO), IOCTL32_HANDLER(FBIOGET_FSCREENINFO, do_fbioget_fscreeninfo_ioctl), IOCTL32_HANDLER(FBIOGETCMAP, do_fbiocmap_ioctl), IOCTL32_HANDLER(FBIOPUTCMAP, do_fbiocmap_ioctl), IOCTL32_DEFAULT(FBIOPAN_DISPLAY), #endif /* CONFIG_FB */ /* Big K */ IOCTL32_DEFAULT(PIO_FONT), IOCTL32_DEFAULT(GIO_FONT), IOCTL32_DEFAULT(KDSIGACCEPT), IOCTL32_DEFAULT(KDGETKEYCODE), IOCTL32_DEFAULT(KDSETKEYCODE), IOCTL32_DEFAULT(KIOCSOUND), IOCTL32_DEFAULT(KDMKTONE), IOCTL32_DEFAULT(KDGKBTYPE), IOCTL32_DEFAULT(KDSETMODE), IOCTL32_DEFAULT(KDGETMODE), IOCTL32_DEFAULT(KDSKBMODE), IOCTL32_DEFAULT(KDGKBMODE), IOCTL32_DEFAULT(KDSKBMETA), IOCTL32_DEFAULT(KDGKBMETA), IOCTL32_DEFAULT(KDGKBENT), IOCTL32_DEFAULT(KDSKBENT), IOCTL32_DEFAULT(KDGKBSENT), IOCTL32_DEFAULT(KDSKBSENT), IOCTL32_DEFAULT(KDGKBDIACR), IOCTL32_DEFAULT(KDSKBDIACR), IOCTL32_DEFAULT(KDKBDREP), IOCTL32_DEFAULT(KDGKBLED), IOCTL32_DEFAULT(KDSKBLED), IOCTL32_DEFAULT(KDGETLED), IOCTL32_DEFAULT(KDSETLED), IOCTL32_DEFAULT(GIO_SCRNMAP), IOCTL32_DEFAULT(PIO_SCRNMAP), IOCTL32_DEFAULT(GIO_UNISCRNMAP), IOCTL32_DEFAULT(PIO_UNISCRNMAP), IOCTL32_DEFAULT(PIO_FONTRESET), IOCTL32_DEFAULT(PIO_UNIMAPCLR), /* Big S */ IOCTL32_DEFAULT(SCSI_IOCTL_GET_IDLUN), IOCTL32_DEFAULT(SCSI_IOCTL_DOORLOCK), IOCTL32_DEFAULT(SCSI_IOCTL_DOORUNLOCK), IOCTL32_DEFAULT(SCSI_IOCTL_TEST_UNIT_READY), IOCTL32_DEFAULT(SCSI_IOCTL_TAGGED_ENABLE), IOCTL32_DEFAULT(SCSI_IOCTL_TAGGED_DISABLE), IOCTL32_DEFAULT(SCSI_IOCTL_GET_BUS_NUMBER), IOCTL32_DEFAULT(SCSI_IOCTL_SEND_COMMAND), /* Big V */ IOCTL32_DEFAULT(VT_SETMODE), IOCTL32_DEFAULT(VT_GETMODE), IOCTL32_DEFAULT(VT_GETSTATE), IOCTL32_DEFAULT(VT_OPENQRY), IOCTL32_DEFAULT(VT_ACTIVATE), IOCTL32_DEFAULT(VT_WAITACTIVE), IOCTL32_DEFAULT(VT_RELDISP), IOCTL32_DEFAULT(VT_DISALLOCATE), IOCTL32_DEFAULT(VT_RESIZE), IOCTL32_DEFAULT(VT_RESIZEX), IOCTL32_DEFAULT(VT_LOCKSWITCH), IOCTL32_DEFAULT(VT_UNLOCKSWITCH), #ifdef CONFIG_NET /* Socket level stuff */ IOCTL32_DEFAULT(FIOSETOWN), IOCTL32_DEFAULT(SIOCSPGRP), IOCTL32_DEFAULT(FIOGETOWN), IOCTL32_DEFAULT(SIOCGPGRP), IOCTL32_DEFAULT(SIOCATMARK), IOCTL32_DEFAULT(SIOCSIFLINK), IOCTL32_DEFAULT(SIOCSIFENCAP), IOCTL32_DEFAULT(SIOCGIFENCAP), IOCTL32_DEFAULT(SIOCSIFBR), IOCTL32_DEFAULT(SIOCGIFBR), IOCTL32_DEFAULT(SIOCSARP), IOCTL32_DEFAULT(SIOCGARP), IOCTL32_DEFAULT(SIOCDARP), IOCTL32_DEFAULT(SIOCSRARP), IOCTL32_DEFAULT(SIOCGRARP), IOCTL32_DEFAULT(SIOCDRARP), IOCTL32_DEFAULT(SIOCADDDLCI), IOCTL32_DEFAULT(SIOCDELDLCI), /* SG stuff */ IOCTL32_DEFAULT(SG_SET_TIMEOUT), IOCTL32_DEFAULT(SG_GET_TIMEOUT), IOCTL32_DEFAULT(SG_EMULATED_HOST), IOCTL32_DEFAULT(SG_SET_TRANSFORM), IOCTL32_DEFAULT(SG_GET_TRANSFORM), IOCTL32_DEFAULT(SG_SET_RESERVED_SIZE), IOCTL32_DEFAULT(SG_GET_RESERVED_SIZE), IOCTL32_DEFAULT(SG_GET_SCSI_ID), IOCTL32_DEFAULT(SG_SET_FORCE_LOW_DMA), IOCTL32_DEFAULT(SG_GET_LOW_DMA), IOCTL32_DEFAULT(SG_SET_FORCE_PACK_ID), IOCTL32_DEFAULT(SG_GET_PACK_ID), IOCTL32_DEFAULT(SG_GET_NUM_WAITING), IOCTL32_DEFAULT(SG_SET_DEBUG), IOCTL32_DEFAULT(SG_GET_SG_TABLESIZE), IOCTL32_DEFAULT(SG_GET_COMMAND_Q), IOCTL32_DEFAULT(SG_SET_COMMAND_Q), IOCTL32_DEFAULT(SG_GET_VERSION_NUM), IOCTL32_DEFAULT(SG_NEXT_CMD_LEN), IOCTL32_DEFAULT(SG_SCSI_RESET), IOCTL32_DEFAULT(SG_IO), IOCTL32_DEFAULT(SG_GET_REQUEST_TABLE), IOCTL32_DEFAULT(SG_SET_KEEP_ORPHAN), IOCTL32_DEFAULT(SG_GET_KEEP_ORPHAN), /* PPP stuff */ IOCTL32_DEFAULT(PPPIOCGFLAGS), IOCTL32_DEFAULT(PPPIOCSFLAGS), IOCTL32_DEFAULT(PPPIOCGASYNCMAP), IOCTL32_DEFAULT(PPPIOCSASYNCMAP), IOCTL32_DEFAULT(PPPIOCGUNIT), IOCTL32_DEFAULT(PPPIOCGRASYNCMAP), IOCTL32_DEFAULT(PPPIOCSRASYNCMAP), IOCTL32_DEFAULT(PPPIOCGMRU), IOCTL32_DEFAULT(PPPIOCSMRU), IOCTL32_DEFAULT(PPPIOCSMAXCID), IOCTL32_DEFAULT(PPPIOCGXASYNCMAP), IOCTL32_DEFAULT(PPPIOCSXASYNCMAP), IOCTL32_DEFAULT(PPPIOCXFERUNIT), IOCTL32_DEFAULT(PPPIOCGNPMODE), IOCTL32_DEFAULT(PPPIOCSNPMODE), IOCTL32_DEFAULT(PPPIOCGDEBUG), IOCTL32_DEFAULT(PPPIOCSDEBUG), IOCTL32_DEFAULT(PPPIOCNEWUNIT), IOCTL32_DEFAULT(PPPIOCATTACH), IOCTL32_DEFAULT(PPPIOCGCHAN), /* PPPOX */ IOCTL32_DEFAULT(PPPOEIOCSFWD), IOCTL32_DEFAULT(PPPOEIOCDFWD), /* CDROM stuff */ IOCTL32_DEFAULT(CDROMPAUSE), IOCTL32_DEFAULT(CDROMRESUME), IOCTL32_DEFAULT(CDROMPLAYMSF), IOCTL32_DEFAULT(CDROMPLAYTRKIND), IOCTL32_DEFAULT(CDROMREADTOCHDR), IOCTL32_DEFAULT(CDROMREADTOCENTRY), IOCTL32_DEFAULT(CDROMSTOP), IOCTL32_DEFAULT(CDROMSTART), IOCTL32_DEFAULT(CDROMEJECT), IOCTL32_DEFAULT(CDROMVOLCTRL), IOCTL32_DEFAULT(CDROMSUBCHNL), IOCTL32_DEFAULT(CDROMEJECT_SW), IOCTL32_DEFAULT(CDROMMULTISESSION), IOCTL32_DEFAULT(CDROM_GET_MCN), IOCTL32_DEFAULT(CDROMRESET), IOCTL32_DEFAULT(CDROMVOLREAD), IOCTL32_DEFAULT(CDROMSEEK), IOCTL32_DEFAULT(CDROMPLAYBLK), IOCTL32_DEFAULT(CDROMCLOSETRAY), IOCTL32_DEFAULT(CDROM_SET_OPTIONS), IOCTL32_DEFAULT(CDROM_CLEAR_OPTIONS), IOCTL32_DEFAULT(CDROM_SELECT_SPEED), IOCTL32_DEFAULT(CDROM_SELECT_DISC), IOCTL32_DEFAULT(CDROM_MEDIA_CHANGED), IOCTL32_DEFAULT(CDROM_DRIVE_STATUS), IOCTL32_DEFAULT(CDROM_DISC_STATUS), IOCTL32_DEFAULT(CDROM_CHANGER_NSLOTS), IOCTL32_DEFAULT(CDROM_LOCKDOOR), IOCTL32_DEFAULT(CDROM_DEBUG), IOCTL32_DEFAULT(CDROM_GET_CAPABILITY), /* DVD ioctls */ IOCTL32_DEFAULT(DVD_READ_STRUCT), IOCTL32_DEFAULT(DVD_WRITE_STRUCT), IOCTL32_DEFAULT(DVD_AUTH), /* Big L */ IOCTL32_DEFAULT(LOOP_SET_FD), IOCTL32_DEFAULT(LOOP_CLR_FD), IOCTL32_HANDLER(LOOP_SET_STATUS, loop_status), IOCTL32_HANDLER(LOOP_GET_STATUS, loop_status), /* And these ioctls need translation */ IOCTL32_HANDLER(SIOCGIFNAME, dev_ifname32), IOCTL32_HANDLER(SIOCGIFCONF, dev_ifconf), IOCTL32_HANDLER(SIOCGIFFLAGS, dev_ifsioc), IOCTL32_HANDLER(SIOCSIFFLAGS, dev_ifsioc), IOCTL32_HANDLER(SIOCGIFMETRIC, dev_ifsioc), IOCTL32_HANDLER(SIOCSIFMETRIC, dev_ifsioc), IOCTL32_HANDLER(SIOCGIFMTU, dev_ifsioc), IOCTL32_HANDLER(SIOCSIFMTU, dev_ifsioc), IOCTL32_HANDLER(SIOCGIFMEM, dev_ifsioc), IOCTL32_HANDLER(SIOCSIFMEM, dev_ifsioc), IOCTL32_HANDLER(SIOCGIFHWADDR, dev_ifsioc), IOCTL32_HANDLER(SIOCSIFHWADDR, dev_ifsioc), IOCTL32_HANDLER(SIOCADDMULTI, dev_ifsioc), IOCTL32_HANDLER(SIOCDELMULTI, dev_ifsioc), IOCTL32_HANDLER(SIOCGIFINDEX, dev_ifsioc), IOCTL32_HANDLER(SIOCGIFMAP, dev_ifsioc), IOCTL32_HANDLER(SIOCSIFMAP, dev_ifsioc), IOCTL32_HANDLER(SIOCGIFADDR, dev_ifsioc), IOCTL32_HANDLER(SIOCSIFADDR, dev_ifsioc), IOCTL32_HANDLER(SIOCGIFBRDADDR, dev_ifsioc), IOCTL32_HANDLER(SIOCSIFBRDADDR, dev_ifsioc), IOCTL32_HANDLER(SIOCGIFDSTADDR, dev_ifsioc), IOCTL32_HANDLER(SIOCSIFDSTADDR, dev_ifsioc), IOCTL32_HANDLER(SIOCGIFNETMASK, dev_ifsioc), IOCTL32_HANDLER(SIOCSIFNETMASK, dev_ifsioc), IOCTL32_HANDLER(SIOCSIFPFLAGS, dev_ifsioc), IOCTL32_HANDLER(SIOCGIFPFLAGS, dev_ifsioc), IOCTL32_HANDLER(SIOCGPPPSTATS, dev_ifsioc), IOCTL32_HANDLER(SIOCGPPPCSTATS, dev_ifsioc), IOCTL32_HANDLER(SIOCGPPPVER, dev_ifsioc), IOCTL32_HANDLER(SIOCGIFTXQLEN, dev_ifsioc), IOCTL32_HANDLER(SIOCSIFTXQLEN, dev_ifsioc), IOCTL32_HANDLER(SIOCADDRT, routing_ioctl), IOCTL32_HANDLER(SIOCDELRT, routing_ioctl), /* * Note SIOCRTMSG is no longer, so this is safe and * the user would * have seen just an -EINVAL anyways. */ IOCTL32_HANDLER(SIOCRTMSG, ret_einval), IOCTL32_HANDLER(SIOCGSTAMP, do_siocgstamp), #endif /* CONFIG_NET */ IOCTL32_HANDLER(EXT2_IOC32_GETFLAGS, do_ext2_ioctl), IOCTL32_HANDLER(EXT2_IOC32_SETFLAGS, do_ext2_ioctl), IOCTL32_HANDLER(EXT2_IOC32_GETVERSION, do_ext2_ioctl), IOCTL32_HANDLER(EXT2_IOC32_SETVERSION, do_ext2_ioctl), IOCTL32_HANDLER(HDIO_GETGEO, hdio_getgeo), /* hdreg.h ioctls */ IOCTL32_HANDLER(HDIO_GET_UNMASKINTR, hdio_ioctl_trans), IOCTL32_HANDLER(HDIO_GET_MULTCOUNT, hdio_ioctl_trans), // HDIO_OBSOLETE_IDENTITY IOCTL32_HANDLER(HDIO_GET_KEEPSETTINGS, hdio_ioctl_trans), IOCTL32_HANDLER(HDIO_GET_32BIT, hdio_ioctl_trans), IOCTL32_HANDLER(HDIO_GET_NOWERR, hdio_ioctl_trans), IOCTL32_HANDLER(HDIO_GET_DMA, hdio_ioctl_trans), IOCTL32_HANDLER(HDIO_GET_NICE, hdio_ioctl_trans), IOCTL32_DEFAULT(HDIO_GET_IDENTITY), IOCTL32_DEFAULT(HDIO_DRIVE_RESET), // HDIO_TRISTATE_HWIF /* not implemented */ // HDIO_DRIVE_TASK /* To do, need specs */ IOCTL32_DEFAULT(HDIO_DRIVE_CMD), IOCTL32_DEFAULT(HDIO_SET_MULTCOUNT), IOCTL32_DEFAULT(HDIO_SET_UNMASKINTR), IOCTL32_DEFAULT(HDIO_SET_KEEPSETTINGS), IOCTL32_DEFAULT(HDIO_SET_32BIT), IOCTL32_DEFAULT(HDIO_SET_NOWERR), IOCTL32_DEFAULT(HDIO_SET_DMA), IOCTL32_DEFAULT(HDIO_SET_PIO_MODE), IOCTL32_DEFAULT(HDIO_SCAN_HWIF), IOCTL32_DEFAULT(HDIO_SET_NICE), //HDIO_UNREGISTER_HWIF IOCTL32_DEFAULT(BLKROSET), /* fs.h ioctls */ IOCTL32_DEFAULT(BLKROGET), IOCTL32_DEFAULT(BLKRRPART), IOCTL32_HANDLER(BLKGETSIZE, w_long), IOCTL32_DEFAULT(BLKFLSBUF), IOCTL32_DEFAULT(BLKRASET), IOCTL32_HANDLER(BLKRAGET, w_long), IOCTL32_DEFAULT(BLKFRASET), IOCTL32_HANDLER(BLKFRAGET, w_long), IOCTL32_DEFAULT(BLKSECTSET), IOCTL32_HANDLER(BLKSECTGET, w_long), IOCTL32_DEFAULT(BLKSSZGET), IOCTL32_HANDLER(BLKPG, blkpg_ioctl_trans), IOCTL32_DEFAULT(BLKELVGET), IOCTL32_DEFAULT(BLKELVSET), IOCTL32_DEFAULT(BLKBSZGET), IOCTL32_DEFAULT(BLKBSZSET), #ifdef CONFIG_MD /* status */ IOCTL32_DEFAULT(RAID_VERSION), IOCTL32_DEFAULT(GET_ARRAY_INFO), IOCTL32_DEFAULT(GET_DISK_INFO), IOCTL32_DEFAULT(PRINT_RAID_DEBUG), IOCTL32_DEFAULT(RAID_AUTORUN), /* configuration */ IOCTL32_DEFAULT(CLEAR_ARRAY), IOCTL32_DEFAULT(ADD_NEW_DISK), IOCTL32_DEFAULT(HOT_REMOVE_DISK), IOCTL32_DEFAULT(SET_ARRAY_INFO), IOCTL32_DEFAULT(SET_DISK_INFO), IOCTL32_DEFAULT(WRITE_RAID_INFO), IOCTL32_DEFAULT(UNPROTECT_ARRAY), IOCTL32_DEFAULT(PROTECT_ARRAY), IOCTL32_DEFAULT(HOT_ADD_DISK), IOCTL32_DEFAULT(SET_DISK_FAULTY), /* usage */ IOCTL32_DEFAULT(RUN_ARRAY), IOCTL32_DEFAULT(START_ARRAY), IOCTL32_DEFAULT(STOP_ARRAY), IOCTL32_DEFAULT(STOP_ARRAY_RO), IOCTL32_DEFAULT(RESTART_ARRAY_RW), #endif /* CONFIG_MD */ #ifdef CONFIG_SIBYTE_TBPROF IOCTL32_DEFAULT(SBPROF_ZBSTART), IOCTL32_DEFAULT(SBPROF_ZBSTOP), IOCTL32_DEFAULT(SBPROF_ZBWAITFULL), #endif /* CONFIG_SIBYTE_TBPROF */ IOCTL32_DEFAULT(MTIOCTOP), /* mtio.h ioctls */ IOCTL32_HANDLER(MTIOCGET32, mt_ioctl_trans), IOCTL32_HANDLER(MTIOCPOS32, mt_ioctl_trans), IOCTL32_HANDLER(MTIOCGETCONFIG32, mt_ioctl_trans), IOCTL32_HANDLER(MTIOCSETCONFIG32, mt_ioctl_trans), // MTIOCRDFTSEG // MTIOCWRFTSEG // MTIOCVOLINFO // MTIOCGETSIZE // MTIOCFTFORMAT // MTIOCFTCMD IOCTL32_DEFAULT(AUTOFS_IOC_READY), /* auto_fs.h ioctls */ IOCTL32_DEFAULT(AUTOFS_IOC_FAIL), IOCTL32_DEFAULT(AUTOFS_IOC_CATATONIC), IOCTL32_DEFAULT(AUTOFS_IOC_PROTOVER), IOCTL32_HANDLER(AUTOFS_IOC_SETTIMEOUT32, ioc_settimeout), IOCTL32_DEFAULT(AUTOFS_IOC_EXPIRE), IOCTL32_DEFAULT(AUTOFS_IOC_EXPIRE_MULTI), /* Little p (/dev/rtc, /dev/envctrl, etc.) */ IOCTL32_DEFAULT(_IOR('p', 20, int[7])), /* RTCGET */ IOCTL32_DEFAULT(_IOW('p', 21, int[7])), /* RTCSET */ IOCTL32_DEFAULT(RTC_AIE_ON), IOCTL32_DEFAULT(RTC_AIE_OFF), IOCTL32_DEFAULT(RTC_UIE_ON), IOCTL32_DEFAULT(RTC_UIE_OFF), IOCTL32_DEFAULT(RTC_PIE_ON), IOCTL32_DEFAULT(RTC_PIE_OFF), IOCTL32_DEFAULT(RTC_WIE_ON), IOCTL32_DEFAULT(RTC_WIE_OFF), IOCTL32_DEFAULT(RTC_ALM_SET), IOCTL32_DEFAULT(RTC_ALM_READ), IOCTL32_DEFAULT(RTC_RD_TIME), IOCTL32_DEFAULT(RTC_SET_TIME), IOCTL32_DEFAULT(RTC_WKALM_SET), IOCTL32_DEFAULT(RTC_WKALM_RD), #ifdef CONFIG_MTD_CHAR /* Big M */ IOCTL32_DEFAULT(MEMGETINFO), IOCTL32_DEFAULT(MEMERASE), // IOCTL32_DEFAULT(MEMWRITEOOB32, mtd_rw_oob), // IOCTL32_DEFAULT(MEMREADOOB32, mtd_rw_oob), IOCTL32_DEFAULT(MEMLOCK), IOCTL32_DEFAULT(MEMUNLOCK), IOCTL32_DEFAULT(MEMGETREGIONCOUNT), IOCTL32_DEFAULT(MEMGETREGIONINFO), #endif }; #define NR_IOCTL32_HANDLERS (sizeof(ioctl32_handler_table) / \ sizeof(ioctl32_handler_table[0])) static struct ioctl32_list *ioctl32_hash_table[1024]; static inline int ioctl32_hash(unsigned int cmd) { return ((cmd >> 6) ^ (cmd >> 4) ^ cmd) & 0x3ff; } int sys32_ioctl(unsigned int fd, unsigned int cmd, unsigned int arg) { int (*handler)(unsigned int, unsigned int, unsigned long, struct file * filp); struct file *filp; struct ioctl32_list *l; int error; l = ioctl32_hash_table[ioctl32_hash(cmd)]; error = -EBADF; filp = fget(fd); if (!filp) return error; if (!filp->f_op || !filp->f_op->ioctl) { error = sys_ioctl (fd, cmd, arg); goto out; } while (l && l->handler.cmd != cmd) l = l->next; if (l) { handler = (void *)l->handler.function; error = handler(fd, cmd, arg, filp); } else { error = -EINVAL; printk("unknown ioctl: %08x\n", cmd); } out: fput(filp); return error; } static void ioctl32_insert(struct ioctl32_list *entry) { int hash = ioctl32_hash(entry->handler.cmd); if (!ioctl32_hash_table[hash]) ioctl32_hash_table[hash] = entry; else { struct ioctl32_list *l; l = ioctl32_hash_table[hash]; while (l->next) l = l->next; l->next = entry; entry->next = 0; } } static int __init init_ioctl32(void) { int i; for (i = 0; i < NR_IOCTL32_HANDLERS; i++) ioctl32_insert(&ioctl32_handler_table[i]); return 0; } __initcall(init_ioctl32);