diff options
Diffstat (limited to 'sys/compat/linux/linux_hdio.c')
| -rw-r--r-- | sys/compat/linux/linux_hdio.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/sys/compat/linux/linux_hdio.c b/sys/compat/linux/linux_hdio.c new file mode 100644 index 00000000000..1e4c6c03d3a --- /dev/null +++ b/sys/compat/linux/linux_hdio.c @@ -0,0 +1,193 @@ +/* $OpenBSD: linux_hdio.c,v 1.1 2001/04/09 06:53:45 tholo Exp $ */ +/* $NetBSD: linux_hdio.c,v 1.1 2000/12/10 14:12:17 fvdl Exp $ */ + +/* + * Copyright (c) 2000 Wasabi Systems, Inc. + * All rights reserved. + * + * Written by Frank van der Linden for Wasabi Systems, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the NetBSD Project by + * Wasabi Systems, Inc. + * 4. The name of Wasabi Systems, Inc. may not be used to endorse + * or promote products derived from this software without specific prior + * written permission. + * + * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/ioctl.h> +#include <sys/file.h> +#include <sys/filedesc.h> +#include <sys/mount.h> +#include <sys/proc.h> +#include <sys/disklabel.h> + +#include <dev/ata/atareg.h> +#include <dev/ic/wdcreg.h> +#include <sys/ataio.h> + +#include <sys/syscallargs.h> + +#include <compat/linux/linux_types.h> +#include <compat/linux/linux_ioctl.h> +#include <compat/linux/linux_signal.h> +#include <compat/linux/linux_util.h> +#include <compat/linux/linux_hdio.h> + +#include <compat/linux/linux_syscallargs.h> + +int +linux_ioctl_hdio(struct proc *p, struct linux_sys_ioctl_args *uap, + register_t *retval) +{ + u_long com; + int error, error1; + caddr_t sg; + struct filedesc *fdp; + struct file *fp; + int (*ioctlf) __P((struct file *, u_long, caddr_t, struct proc *)); + struct ataparams *atap, ata; + struct atareq req; + struct disklabel label, *labp; + struct partinfo partp; + struct linux_hd_geometry hdg; + struct linux_hd_big_geometry hdg_big; + + fdp = p->p_fd; +#if 1 + if ((u_int)SCARG(uap, fd) >= fdp->fd_nfiles || + (fp = fdp->fd_ofiles[SCARG(uap, fd)]) == NULL) + return (EBADF); +#else + if ((u_int)SCARG(uap, fd) >= fdp->fd_nfiles || + (fp = fdp->fd_ofiles[SCARG(uap, fd)]) == NULL || + (fp->f_iflags & FIF_WANTCLOSE) != 0) + return (EBADF); + + FILE_USE(fp); +#endif + + com = SCARG(uap, com); + ioctlf = fp->f_ops->fo_ioctl; + retval[0] = error = 0; + + com = SCARG(uap, com); + + switch (com) { + case LINUX_HDIO_OBSOLETE_IDENTITY: + case LINUX_HDIO_GET_IDENTITY: + sg = stackgap_init(p->p_emul); + atap = stackgap_alloc(&sg, DEV_BSIZE); + if (atap == NULL) { + error = ENOMEM; + break; + } + + req.flags = ATACMD_READ; + req.command = WDCC_IDENTIFY; + req.databuf = (caddr_t)atap; + req.datalen = DEV_BSIZE; + req.timeout = 1000; + error = ioctlf(fp, ATAIOCCOMMAND, (caddr_t)&req, p); + if (error != 0) + break; + if (req.retsts != ATACMD_OK) + return EIO; + error = copyin(atap, &ata, sizeof ata); + if (error != 0) + break; + /* + * 142 is the size of the old structure used by Linux, + * which doesn't seem to be defined anywhere anymore. + */ + error = copyout(&ata, SCARG(uap, data), + com == LINUX_HDIO_GET_IDENTITY ? sizeof ata : 142); + break; + case LINUX_HDIO_GETGEO: + error = linux_machdepioctl(p, uap, retval); + if (error == 0) + break; + error = ioctlf(fp, DIOCGDINFO, (caddr_t)&label, p); + error1 = ioctlf(fp, DIOCGPART, (caddr_t)&partp, p); + if (error != 0 && error1 != 0) { + error = error1; + break; + } + labp = error != 0 ? &label : partp.disklab; + hdg.start = error1 != 0 ? partp.part->p_offset : 0; + hdg.heads = labp->d_ntracks; + hdg.cylinders = labp->d_ncylinders; + hdg.sectors = labp->d_nsectors; + error = copyout(&hdg, SCARG(uap, data), sizeof hdg); + break; + case LINUX_HDIO_GETGEO_BIG: + error = linux_machdepioctl(p, uap, retval); + if (error == 0) + break; + case LINUX_HDIO_GETGEO_BIG_RAW: + error = ioctlf(fp, DIOCGDINFO, (caddr_t)&label, p); + error1 = ioctlf(fp, DIOCGPART, (caddr_t)&partp, p); + if (error != 0 && error1 != 0) { + error = error1; + break; + } + labp = error != 0 ? &label : partp.disklab; + hdg_big.start = error1 != 0 ? partp.part->p_offset : 0; + hdg_big.heads = labp->d_ntracks; + hdg_big.cylinders = labp->d_ncylinders; + hdg_big.sectors = labp->d_nsectors; + error = copyout(&hdg_big, SCARG(uap, data), sizeof hdg_big); + break; + case LINUX_HDIO_GET_UNMASKINTR: + case LINUX_HDIO_GET_MULTCOUNT: + case LINUX_HDIO_GET_KEEPSETTINGS: + case LINUX_HDIO_GET_32BIT: + case LINUX_HDIO_GET_NOWERR: + case LINUX_HDIO_GET_DMA: + case LINUX_HDIO_GET_NICE: + case LINUX_HDIO_DRIVE_RESET: + case LINUX_HDIO_TRISTATE_HWIF: + case LINUX_HDIO_DRIVE_TASK: + case LINUX_HDIO_DRIVE_CMD: + case LINUX_HDIO_SET_MULTCOUNT: + case LINUX_HDIO_SET_UNMASKINTR: + case LINUX_HDIO_SET_KEEPSETTINGS: + case LINUX_HDIO_SET_32BIT: + case LINUX_HDIO_SET_NOWERR: + case LINUX_HDIO_SET_DMA: + case LINUX_HDIO_SET_PIO_MODE: + case LINUX_HDIO_SCAN_HWIF: + case LINUX_HDIO_SET_NICE: + case LINUX_HDIO_UNREGISTER_HWIF: + error = EINVAL; + } + +#ifdef notyet + FILE_UNUSE(fp, p); +#endif + + return error; +} |