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[src/trunk]: src/sys/compat/linux/common Add some BLK* ioctl calls. Currently...
details: https://anonhg.NetBSD.org/src/rev/dce96f2fb702
branches: trunk
changeset: 501983:dce96f2fb702
user: fvdl <fvdl%NetBSD.org@localhost>
date: Wed Jan 10 02:28:01 2001 +0000
description:
Add some BLK* ioctl calls. Currently only the easy and useful ones
are implemented.
diffstat:
sys/compat/linux/common/linux_blkio.c | 124 ++++++++++++++++++++++++++++++++++
sys/compat/linux/common/linux_blkio.h | 60 ++++++++++++++++
2 files changed, 184 insertions(+), 0 deletions(-)
diffs (192 lines):
diff -r a1c8ee3c69a2 -r dce96f2fb702 sys/compat/linux/common/linux_blkio.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/compat/linux/common/linux_blkio.c Wed Jan 10 02:28:01 2001 +0000
@@ -0,0 +1,124 @@
+/* $NetBSD: linux_blkio.c,v 1.1 2001/01/10 02:28:01 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 <sys/syscallargs.h>
+
+#include <compat/linux/common/linux_types.h>
+#include <compat/linux/common/linux_ioctl.h>
+#include <compat/linux/common/linux_signal.h>
+#include <compat/linux/common/linux_util.h>
+#include <compat/linux/common/linux_blkio.h>
+
+#include <compat/linux/linux_syscallargs.h>
+
+int
+linux_ioctl_blkio(struct proc *p, struct linux_sys_ioctl_args *uap,
+ register_t *retval)
+{
+ u_long com;
+ long size;
+ int error;
+ struct filedesc *fdp;
+ struct file *fp;
+ int (*ioctlf) __P((struct file *, u_long, caddr_t, struct proc *));
+ struct partinfo partp;
+ struct disklabel label;
+
+ fdp = p->p_fd;
+ 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);
+ error = 0;
+ ioctlf = fp->f_ops->fo_ioctl;
+ com = SCARG(uap, com);
+
+ switch (com) {
+ case LINUX_BLKGETSIZE:
+ /*
+ * Try to get the partition size of this device. If that
+ * fails, it may be a disk without label; try to get
+ * the default label and compute the size from it.
+ */
+ error = ioctlf(fp, DIOCGPART, (caddr_t)&partp, p);
+ if (error != 0) {
+ error = ioctlf(fp, DIOCGDEFLABEL, (caddr_t)&label, p);
+ if (error != 0)
+ break;
+ size = label.d_nsectors * label.d_ntracks *
+ label.d_ncylinders;
+ } else
+ size = partp.part->p_size;
+ error = copyout(&size, SCARG(uap, data), sizeof size);
+ break;
+ case LINUX_BLKSECTGET:
+ error = ioctlf(fp, DIOCGDEFLABEL, (caddr_t)&label, p);
+ if (error != 0)
+ break;
+ error = copyout(&label.d_secsize, SCARG(uap, data),
+ sizeof label.d_secsize);
+ break;
+ case LINUX_BLKROSET:
+ case LINUX_BLKROGET:
+ case LINUX_BLKRRPART:
+ case LINUX_BLKFLSBUF:
+ case LINUX_BLKRASET:
+ case LINUX_BLKRAGET:
+ case LINUX_BLKFRASET:
+ case LINUX_BLKFRAGET:
+ case LINUX_BLKSECTSET:
+ case LINUX_BLKSSZGET:
+ case LINUX_BLKPG:
+ default:
+ error = ENOTTY;
+ }
+
+ FILE_UNUSE(fp, p);
+
+ return error;
+}
diff -r a1c8ee3c69a2 -r dce96f2fb702 sys/compat/linux/common/linux_blkio.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/compat/linux/common/linux_blkio.h Wed Jan 10 02:28:01 2001 +0000
@@ -0,0 +1,60 @@
+/* $NetBSD: linux_blkio.h,v 1.1 2001/01/10 02:28:01 fvdl Exp $ */
+
+/*
+ * Copyright (c) 2001 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.
+ */
+
+/*
+ * Definitions for ioctl calls that work on filesystems, as defined
+ * in <linux/fs.h>
+ */
+
+#ifndef _LINUX_BLKIO_H
+#define _LINUX_BLKIO_H
+
+#define LINUX_BLKROSET _LINUX_IO(0x12, 93)
+#define LINUX_BLKROGET _LINUX_IO(0x12, 94)
+#define LINUX_BLKRRPART _LINUX_IO(0x12, 95)
+#define LINUX_BLKGETSIZE _LINUX_IO(0x12, 96)
+#define LINUX_BLKFLSBUF _LINUX_IO(0x12, 97)
+#define LINUX_BLKRASET _LINUX_IO(0x12, 98)
+#define LINUX_BLKRAGET _LINUX_IO(0x12, 99)
+#define LINUX_BLKFRASET _LINUX_IO(0x12, 100)
+#define LINUX_BLKFRAGET _LINUX_IO(0x12, 101)
+#define LINUX_BLKSECTSET _LINUX_IO(0x12, 102)
+#define LINUX_BLKSECTGET _LINUX_IO(0x12, 103)
+#define LINUX_BLKSSZGET _LINUX_IO(0x12, 104)
+#define LINUX_BLKPG _LINUX_IO(0x12, 105)
+
+#endif /* _LINUX_BLKIO_H */
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