From 1ca91cd0336b05b91c51b403c9ed9d297813533f Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Tue, 9 Oct 2007 13:23:57 +0200 Subject: compat_ioctl: move floppy handlers to block/compat_ioctl.c The floppy ioctls are used by multiple drivers, so they should be handled in a shared location. Also, add minor cleanups. Signed-off-by: Arnd Bergmann Signed-off-by: Jens Axboe --- fs/compat_ioctl.c | 337 ------------------------------------------------------ 1 file changed, 337 deletions(-) (limited to 'fs/compat_ioctl.c') diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index 24c743571127..b9e3357bcc2e 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -32,7 +32,6 @@ #include #include #include -#include #include #include #include @@ -1407,333 +1406,6 @@ static int ioc_settimeout(unsigned int fd, unsigned int cmd, unsigned long arg) #define HIDPGETCONNLIST _IOR('H', 210, int) #define HIDPGETCONNINFO _IOR('H', 211, int) -#ifdef CONFIG_BLOCK -struct floppy_struct32 { - compat_uint_t size; - compat_uint_t sect; - compat_uint_t head; - compat_uint_t track; - compat_uint_t stretch; - unsigned char gap; - unsigned char rate; - unsigned char spec1; - unsigned char fmt_gap; - const compat_caddr_t name; -}; - -struct floppy_drive_params32 { - char cmos; - compat_ulong_t max_dtr; - compat_ulong_t hlt; - compat_ulong_t hut; - compat_ulong_t srt; - compat_ulong_t spinup; - compat_ulong_t spindown; - unsigned char spindown_offset; - unsigned char select_delay; - unsigned char rps; - unsigned char tracks; - compat_ulong_t timeout; - unsigned char interleave_sect; - struct floppy_max_errors max_errors; - char flags; - char read_track; - short autodetect[8]; - compat_int_t checkfreq; - compat_int_t native_format; -}; - -struct floppy_drive_struct32 { - signed char flags; - compat_ulong_t spinup_date; - compat_ulong_t select_date; - compat_ulong_t first_read_date; - short probed_format; - short track; - short maxblock; - short maxtrack; - compat_int_t generation; - compat_int_t keep_data; - compat_int_t fd_ref; - compat_int_t fd_device; - compat_int_t last_checked; - compat_caddr_t dmabuf; - compat_int_t bufblocks; -}; - -struct floppy_fdc_state32 { - compat_int_t spec1; - compat_int_t spec2; - compat_int_t dtr; - unsigned char version; - unsigned char dor; - compat_ulong_t address; - unsigned int rawcmd:2; - unsigned int reset:1; - unsigned int need_configure:1; - unsigned int perp_mode:2; - unsigned int has_fifo:1; - unsigned int driver_version; - unsigned char track[4]; -}; - -struct floppy_write_errors32 { - unsigned int write_errors; - compat_ulong_t first_error_sector; - compat_int_t first_error_generation; - compat_ulong_t last_error_sector; - compat_int_t last_error_generation; - compat_uint_t badness; -}; - -#define FDSETPRM32 _IOW(2, 0x42, struct floppy_struct32) -#define FDDEFPRM32 _IOW(2, 0x43, struct floppy_struct32) -#define FDGETPRM32 _IOR(2, 0x04, struct floppy_struct32) -#define FDSETDRVPRM32 _IOW(2, 0x90, struct floppy_drive_params32) -#define FDGETDRVPRM32 _IOR(2, 0x11, struct floppy_drive_params32) -#define FDGETDRVSTAT32 _IOR(2, 0x12, struct floppy_drive_struct32) -#define FDPOLLDRVSTAT32 _IOR(2, 0x13, struct floppy_drive_struct32) -#define FDGETFDCSTAT32 _IOR(2, 0x15, struct floppy_fdc_state32) -#define FDWERRORGET32 _IOR(2, 0x17, struct floppy_write_errors32) - -static struct { - unsigned int cmd32; - unsigned int cmd; -} fd_ioctl_trans_table[] = { - { FDSETPRM32, FDSETPRM }, - { FDDEFPRM32, FDDEFPRM }, - { FDGETPRM32, FDGETPRM }, - { FDSETDRVPRM32, FDSETDRVPRM }, - { FDGETDRVPRM32, FDGETDRVPRM }, - { FDGETDRVSTAT32, FDGETDRVSTAT }, - { FDPOLLDRVSTAT32, FDPOLLDRVSTAT }, - { FDGETFDCSTAT32, FDGETFDCSTAT }, - { FDWERRORGET32, FDWERRORGET } -}; - -#define NR_FD_IOCTL_TRANS ARRAY_SIZE(fd_ioctl_trans_table) - -static int fd_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg) -{ - mm_segment_t old_fs = get_fs(); - void *karg = NULL; - unsigned int kcmd = 0; - int i, err; - - for (i = 0; i < NR_FD_IOCTL_TRANS; i++) - if (cmd == fd_ioctl_trans_table[i].cmd32) { - kcmd = fd_ioctl_trans_table[i].cmd; - break; - } - if (!kcmd) - return -EINVAL; - - switch (cmd) { - case FDSETPRM32: - case FDDEFPRM32: - case FDGETPRM32: - { - compat_uptr_t name; - struct floppy_struct32 __user *uf; - struct floppy_struct *f; - - uf = compat_ptr(arg); - f = karg = kmalloc(sizeof(struct floppy_struct), GFP_KERNEL); - if (!karg) - return -ENOMEM; - if (cmd == FDGETPRM32) - break; - err = __get_user(f->size, &uf->size); - err |= __get_user(f->sect, &uf->sect); - err |= __get_user(f->head, &uf->head); - err |= __get_user(f->track, &uf->track); - err |= __get_user(f->stretch, &uf->stretch); - err |= __get_user(f->gap, &uf->gap); - err |= __get_user(f->rate, &uf->rate); - err |= __get_user(f->spec1, &uf->spec1); - err |= __get_user(f->fmt_gap, &uf->fmt_gap); - err |= __get_user(name, &uf->name); - f->name = compat_ptr(name); - if (err) { - err = -EFAULT; - goto out; - } - break; - } - case FDSETDRVPRM32: - case FDGETDRVPRM32: - { - struct floppy_drive_params32 __user *uf; - struct floppy_drive_params *f; - - uf = compat_ptr(arg); - f = karg = kmalloc(sizeof(struct floppy_drive_params), GFP_KERNEL); - if (!karg) - return -ENOMEM; - if (cmd == FDGETDRVPRM32) - break; - err = __get_user(f->cmos, &uf->cmos); - err |= __get_user(f->max_dtr, &uf->max_dtr); - err |= __get_user(f->hlt, &uf->hlt); - err |= __get_user(f->hut, &uf->hut); - err |= __get_user(f->srt, &uf->srt); - err |= __get_user(f->spinup, &uf->spinup); - err |= __get_user(f->spindown, &uf->spindown); - err |= __get_user(f->spindown_offset, &uf->spindown_offset); - err |= __get_user(f->select_delay, &uf->select_delay); - err |= __get_user(f->rps, &uf->rps); - err |= __get_user(f->tracks, &uf->tracks); - err |= __get_user(f->timeout, &uf->timeout); - err |= __get_user(f->interleave_sect, &uf->interleave_sect); - err |= __copy_from_user(&f->max_errors, &uf->max_errors, sizeof(f->max_errors)); - err |= __get_user(f->flags, &uf->flags); - err |= __get_user(f->read_track, &uf->read_track); - err |= __copy_from_user(f->autodetect, uf->autodetect, sizeof(f->autodetect)); - err |= __get_user(f->checkfreq, &uf->checkfreq); - err |= __get_user(f->native_format, &uf->native_format); - if (err) { - err = -EFAULT; - goto out; - } - break; - } - case FDGETDRVSTAT32: - case FDPOLLDRVSTAT32: - karg = kmalloc(sizeof(struct floppy_drive_struct), GFP_KERNEL); - if (!karg) - return -ENOMEM; - break; - case FDGETFDCSTAT32: - karg = kmalloc(sizeof(struct floppy_fdc_state), GFP_KERNEL); - if (!karg) - return -ENOMEM; - break; - case FDWERRORGET32: - karg = kmalloc(sizeof(struct floppy_write_errors), GFP_KERNEL); - if (!karg) - return -ENOMEM; - break; - default: - return -EINVAL; - } - set_fs (KERNEL_DS); - err = sys_ioctl (fd, kcmd, (unsigned long)karg); - set_fs (old_fs); - if (err) - goto out; - switch (cmd) { - case FDGETPRM32: - { - struct floppy_struct *f = karg; - struct floppy_struct32 __user *uf = compat_ptr(arg); - - err = __put_user(f->size, &uf->size); - err |= __put_user(f->sect, &uf->sect); - err |= __put_user(f->head, &uf->head); - err |= __put_user(f->track, &uf->track); - err |= __put_user(f->stretch, &uf->stretch); - err |= __put_user(f->gap, &uf->gap); - err |= __put_user(f->rate, &uf->rate); - err |= __put_user(f->spec1, &uf->spec1); - err |= __put_user(f->fmt_gap, &uf->fmt_gap); - err |= __put_user((u64)f->name, (compat_caddr_t __user *)&uf->name); - break; - } - case FDGETDRVPRM32: - { - struct floppy_drive_params32 __user *uf; - struct floppy_drive_params *f = karg; - - uf = compat_ptr(arg); - err = __put_user(f->cmos, &uf->cmos); - err |= __put_user(f->max_dtr, &uf->max_dtr); - err |= __put_user(f->hlt, &uf->hlt); - err |= __put_user(f->hut, &uf->hut); - err |= __put_user(f->srt, &uf->srt); - err |= __put_user(f->spinup, &uf->spinup); - err |= __put_user(f->spindown, &uf->spindown); - err |= __put_user(f->spindown_offset, &uf->spindown_offset); - err |= __put_user(f->select_delay, &uf->select_delay); - err |= __put_user(f->rps, &uf->rps); - err |= __put_user(f->tracks, &uf->tracks); - err |= __put_user(f->timeout, &uf->timeout); - err |= __put_user(f->interleave_sect, &uf->interleave_sect); - err |= __copy_to_user(&uf->max_errors, &f->max_errors, sizeof(f->max_errors)); - err |= __put_user(f->flags, &uf->flags); - err |= __put_user(f->read_track, &uf->read_track); - err |= __copy_to_user(uf->autodetect, f->autodetect, sizeof(f->autodetect)); - err |= __put_user(f->checkfreq, &uf->checkfreq); - err |= __put_user(f->native_format, &uf->native_format); - break; - } - case FDGETDRVSTAT32: - case FDPOLLDRVSTAT32: - { - struct floppy_drive_struct32 __user *uf; - struct floppy_drive_struct *f = karg; - - uf = compat_ptr(arg); - err = __put_user(f->flags, &uf->flags); - err |= __put_user(f->spinup_date, &uf->spinup_date); - err |= __put_user(f->select_date, &uf->select_date); - err |= __put_user(f->first_read_date, &uf->first_read_date); - err |= __put_user(f->probed_format, &uf->probed_format); - err |= __put_user(f->track, &uf->track); - err |= __put_user(f->maxblock, &uf->maxblock); - err |= __put_user(f->maxtrack, &uf->maxtrack); - err |= __put_user(f->generation, &uf->generation); - err |= __put_user(f->keep_data, &uf->keep_data); - err |= __put_user(f->fd_ref, &uf->fd_ref); - err |= __put_user(f->fd_device, &uf->fd_device); - err |= __put_user(f->last_checked, &uf->last_checked); - err |= __put_user((u64)f->dmabuf, &uf->dmabuf); - err |= __put_user((u64)f->bufblocks, &uf->bufblocks); - break; - } - case FDGETFDCSTAT32: - { - struct floppy_fdc_state32 __user *uf; - struct floppy_fdc_state *f = karg; - - uf = compat_ptr(arg); - err = __put_user(f->spec1, &uf->spec1); - err |= __put_user(f->spec2, &uf->spec2); - err |= __put_user(f->dtr, &uf->dtr); - err |= __put_user(f->version, &uf->version); - err |= __put_user(f->dor, &uf->dor); - err |= __put_user(f->address, &uf->address); - err |= __copy_to_user((char __user *)&uf->address + sizeof(uf->address), - (char *)&f->address + sizeof(f->address), sizeof(int)); - err |= __put_user(f->driver_version, &uf->driver_version); - err |= __copy_to_user(uf->track, f->track, sizeof(f->track)); - break; - } - case FDWERRORGET32: - { - struct floppy_write_errors32 __user *uf; - struct floppy_write_errors *f = karg; - - uf = compat_ptr(arg); - err = __put_user(f->write_errors, &uf->write_errors); - err |= __put_user(f->first_error_sector, &uf->first_error_sector); - err |= __put_user(f->first_error_generation, &uf->first_error_generation); - err |= __put_user(f->last_error_sector, &uf->last_error_sector); - err |= __put_user(f->last_error_generation, &uf->last_error_generation); - err |= __put_user(f->badness, &uf->badness); - break; - } - default: - break; - } - if (err) - err = -EFAULT; - -out: - kfree(karg); - return err; -} -#endif - struct mtd_oob_buf32 { u_int32_t start; u_int32_t length; @@ -3025,15 +2697,6 @@ HANDLE_IOCTL(SIOCGSTAMP, do_siocgstamp) HANDLE_IOCTL(SIOCGSTAMPNS, do_siocgstampns) #endif #ifdef CONFIG_BLOCK -HANDLE_IOCTL(FDSETPRM32, fd_ioctl_trans) -HANDLE_IOCTL(FDDEFPRM32, fd_ioctl_trans) -HANDLE_IOCTL(FDGETPRM32, fd_ioctl_trans) -HANDLE_IOCTL(FDSETDRVPRM32, fd_ioctl_trans) -HANDLE_IOCTL(FDGETDRVPRM32, fd_ioctl_trans) -HANDLE_IOCTL(FDGETDRVSTAT32, fd_ioctl_trans) -HANDLE_IOCTL(FDPOLLDRVSTAT32, fd_ioctl_trans) -HANDLE_IOCTL(FDGETFDCSTAT32, fd_ioctl_trans) -HANDLE_IOCTL(FDWERRORGET32, fd_ioctl_trans) HANDLE_IOCTL(SG_IO,sg_ioctl_trans) HANDLE_IOCTL(SG_GET_REQUEST_TABLE, sg_grt_trans) #endif -- cgit v1.2.3-59-g8ed1b