Emulate basic mtio ioctls.
This commit is contained in:
soren
parent
4f02ad16c6
commit
18d6a3043f
@ -1,4 +1,4 @@
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/* $NetBSD: linux_ioctl.c,v 1.41 2005/02/26 23:10:19 perry Exp $ */
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/* $NetBSD: linux_ioctl.c,v 1.42 2005/02/28 22:11:32 soren Exp $ */
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/*-
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* Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
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@ -37,7 +37,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: linux_ioctl.c,v 1.41 2005/02/26 23:10:19 perry Exp $");
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__KERNEL_RCSID(0, "$NetBSD: linux_ioctl.c,v 1.42 2005/02/28 22:11:32 soren Exp $");
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#if defined(_KERNEL_OPT)
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#include "sequencer.h"
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@ -110,6 +110,9 @@ linux_sys_ioctl(l, v, retval)
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case 'f':
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error = linux_ioctl_termios(p, uap, retval);
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break;
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case 'm':
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error = linux_ioctl_mtio(p, uap, retval);
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break;
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case 'T':
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{
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#if NSEQUENCER > 0
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@ -169,7 +172,7 @@ linux_sys_ioctl(l, v, retval)
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if (error == EPASSTHROUGH) {
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/*
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* linux returns EINVAL or ENOTTY for not supported ioctls.
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*/
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*/
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error = EINVAL;
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: linux_ioctl.h,v 1.20 2005/02/26 23:10:19 perry Exp $ */
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/* $NetBSD: linux_ioctl.h,v 1.21 2005/02/28 22:11:32 soren Exp $ */
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/*-
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* Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
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@ -58,6 +58,8 @@ int linux_ioctl_blkio __P((struct proc *p, struct linux_sys_ioctl_args *uap,
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register_t *retval));
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int linux_ioctl_sg __P((struct proc *p, struct linux_sys_ioctl_args *uap,
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register_t *retval));
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int linux_ioctl_mtio __P((struct proc *p, struct linux_sys_ioctl_args *uap,
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register_t *retval));
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__END_DECLS
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#endif /* !_KERNEL */
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130
sys/compat/linux/common/linux_mtio.c
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130
sys/compat/linux/common/linux_mtio.c
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@ -0,0 +1,130 @@
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/* $NetBSD: linux_mtio.c,v 1.1 2005/02/28 22:11:32 soren Exp $ */
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/*
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* Copyright (c) 2005 Soren S. Jorvang. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: linux_mtio.c,v 1.1 2005/02/28 22:11:32 soren Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/ioctl.h>
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#include <sys/file.h>
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#include <sys/filedesc.h>
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#include <sys/mount.h>
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#include <sys/proc.h>
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#include <sys/mtio.h>
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#include <sys/sa.h>
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#include <sys/syscallargs.h>
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#include <compat/linux/common/linux_types.h>
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#include <compat/linux/common/linux_ioctl.h>
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#include <compat/linux/common/linux_signal.h>
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#include <compat/linux/common/linux_mtio.h>
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#include <compat/linux/linux_syscallargs.h>
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static const struct mtop_mapping {
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short lop;
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short op;
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} mtop_map[] = {
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{ LINUX_MTFSF, MTFSF },
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{ LINUX_MTBSF, MTBSF },
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{ LINUX_MTFSR, MTFSR },
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{ LINUX_MTBSR, MTBSR },
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{ LINUX_MTWEOF, MTWEOF },
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{ LINUX_MTREW, MTREW },
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{ LINUX_MTOFFL, MTOFFL },
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{ LINUX_MTNOP, MTNOP },
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{ LINUX_MTRETEN, MTRETEN },
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{ LINUX_MTEOM, MTEOM },
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{ LINUX_MTERASE, MTERASE },
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{ LINUX_MTSETBLK, MTSETBSIZ },
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{ LINUX_MTSETDENSITY, MTSETDNSTY },
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{ LINUX_MTCOMPRESSION, MTCMPRESS },
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{ -1, -1 }
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};
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int
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linux_ioctl_mtio(struct proc *p, struct linux_sys_ioctl_args *uap,
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register_t *retval)
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{
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struct file *fp;
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struct filedesc *fdp;
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u_long com = SCARG(uap, com);
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int i, error = 0;
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int (*ioctlf)(struct file *, u_long, void *, struct proc *);
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struct linux_mtop lmtop;
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struct linux_mtget lmtget;
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struct mtop mt;
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fdp = p->p_fd;
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if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL)
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return EBADF;
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FILE_USE(fp);
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ioctlf = fp->f_ops->fo_ioctl;
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*retval = 0;
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switch (com) {
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case LINUX_MTIOCTOP:
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error = copyin(SCARG(uap, data), &lmtop, sizeof lmtop);
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for (i = 0; mtop_map[i].lop >= 0; i++) {
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if (mtop_map[i].lop == lmtop.mt_op)
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break;
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}
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if (mtop_map[i].lop == -1) {
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error = EINVAL;
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break;
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}
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mt.mt_op = mtop_map[i].op;
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mt.mt_count = lmtop.mt_count;
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error = ioctlf(fp, MTIOCTOP, (caddr_t)&mt, p);
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break;
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case LINUX_MTIOCGET:
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lmtget.mt_type = LINUX_MT_ISUNKNOWN;
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lmtget.mt_resid = 0;
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lmtget.mt_dsreg = 0;
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lmtget.mt_gstat = 0;
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lmtget.mt_erreg = 0;
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lmtget.mt_fileno = 0;
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lmtget.mt_blkno = 0;
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error = copyout(&lmtget, SCARG(uap, data), sizeof lmtget);
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break;
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case LINUX_MTIOCPOS:
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default:
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printf("linux_mtio unsupported ioctl 0x%lx\n", com);
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error = ENODEV;
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break;
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}
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FILE_UNUSE(fp, p);
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return error;
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}
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88
sys/compat/linux/common/linux_mtio.h
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88
sys/compat/linux/common/linux_mtio.h
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@ -0,0 +1,88 @@
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/* $NetBSD: linux_mtio.h,v 1.1 2005/02/28 22:11:32 soren Exp $ */
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/*
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* Copyright (c) 2005 Soren S. Jorvang. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _LINUX_MTIO_H
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#define _LINUX_MTIO_H
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#define LINUX_MTIOCTOP _LINUX_IOW('m', 1, struct linux_mtop)
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#define LINUX_MTIOCGET _LINUX_IOR('m', 2, struct linux_mtget)
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#define LINUX_MTIOCPOS _LINUX_IOR('m', 3, struct linux_mtpos)
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struct linux_mtop {
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short mt_op;
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int mt_count;
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};
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#define LINUX_MTRESET 0
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#define LINUX_MTFSF 1
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#define LINUX_MTBSF 2
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#define LINUX_MTFSR 3
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#define LINUX_MTBSR 4
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#define LINUX_MTWEOF 5
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#define LINUX_MTREW 6
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#define LINUX_MTOFFL 7
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#define LINUX_MTNOP 8
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#define LINUX_MTRETEN 9
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#define LINUX_MTBSFM 10
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#define LINUX_MTFSFM 11
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#define LINUX_MTEOM 12
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#define LINUX_MTERASE 13
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#define LINUX_MTRAS1 14
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#define LINUX_MTRAS2 15
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#define LINUX_MTRAS3 16
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#define LINUX_MTSETBLK 20
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#define LINUX_MTSETDENSITY 21
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#define LINUX_MTSEEK 22
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#define LINUX_MTTELL 23
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#define LINUX_MTSETDRVBUFFER 24
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#define LINUX_MTFSS 25
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#define LINUX_MTBSS 26
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#define LINUX_MTWSM 27
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#define LINUX_MTLOCK 28
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#define LINUX_MTUNLOCK 29
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#define LINUX_MTLOAD 30
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#define LINUX_MTUNLOAD 31
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#define LINUX_MTCOMPRESSION 32
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#define LINUX_MTSETPART 33
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#define LINUX_MTMKPART 34
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struct linux_mtget {
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#define LINUX_MT_ISUNKNOWN 0x01
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long mt_type;
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long mt_resid;
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long mt_dsreg;
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long mt_gstat;
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long mt_erreg;
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daddr_t mt_fileno;
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daddr_t mt_blkno;
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};
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struct linux_mtpos {
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long mt_blkno;
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};
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#endif /* !_LINUX_MTIO_H */
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@ -1,4 +1,4 @@
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# $NetBSD: files.linux,v 1.17 2005/02/03 00:09:30 christos Exp $
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# $NetBSD: files.linux,v 1.18 2005/02/28 22:11:31 soren Exp $
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#
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# Config file description for machine-independent Linux compat code.
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# Included by ports that need it.
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@ -19,6 +19,7 @@ file compat/linux/common/linux_hdio.c compat_linux
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file compat/linux/common/linux_ioctl.c compat_linux
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file compat/linux/common/linux_ipc.c compat_linux
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file compat/linux/common/linux_misc.c compat_linux
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file compat/linux/common/linux_mtio.c compat_linux
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file compat/linux/common/linux_sched.c compat_linux
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file compat/linux/common/linux_sg.c compat_linux
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file compat/linux/common/linux_signal.c compat_linux
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