[src/netbsd-1-5]: src/sys/compat/linux/common Pull up revision 1.1 (new, requ...

[he <he%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/06611d75d6ed
branches:  netbsd-1-5
changeset: 490990:06611d75d6ed
user:      he <he%NetBSD.org@localhost>
date:      Fri Mar 30 21:39:58 2001 +0000

description:
Pull up revision 1.1 (new, requested by fvdl):
  Add some required Linux emulation bits to support the Linux
  version of VMware.

diffstat:

 sys/compat/linux/common/linux_fdio.c |  172 ++++++++++++++++++++++++++++++
 sys/compat/linux/common/linux_fdio.h |  200 +++++++++++++++++++++++++++++++++++
 sys/compat/linux/common/linux_hdio.c |  184 ++++++++++++++++++++++++++++++++
 sys/compat/linux/common/linux_hdio.h |   88 +++++++++++++++
 4 files changed, 644 insertions(+), 0 deletions(-)

diffs (truncated from 660 to 300 lines):

diff -r 12d8d9df7696 -r 06611d75d6ed sys/compat/linux/common/linux_fdio.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/compat/linux/common/linux_fdio.c      Fri Mar 30 21:39:58 2001 +0000
@@ -0,0 +1,172 @@
+/*     $NetBSD: linux_fdio.c,v 1.1.6.2 2001/03/30 21:39:58 he 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/fdio.h>
+
+#include <sys/syscallargs.h>
+
+#include <dev/isa/fdreg.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_fdio.h>
+
+#include <compat/linux/linux_syscallargs.h>
+
+int
+linux_ioctl_fdio(struct proc *p, struct linux_sys_ioctl_args *uap,
+                register_t *retval)
+{
+       struct filedesc *fdp;
+       struct file *fp;
+       int error;
+       int (*ioctlf) __P((struct file *, u_long, caddr_t, struct proc *));
+       u_long com;
+       struct fdformat_parms fparams;
+       struct linux_floppy_struct lflop;
+       struct linux_floppy_drive_struct ldrive;
+
+       com = (u_long)SCARG(uap, data);
+
+       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);
+
+       com = SCARG(uap, com);
+       ioctlf = fp->f_ops->fo_ioctl;
+
+       retval[0] = error = 0;
+
+       switch (com) {
+       case LINUX_FDMSGON:
+       case LINUX_FDMSGOFF:
+       case LINUX_FDTWADDLE:
+       case LINUX_FDCLRPRM:
+               /* whatever you say */
+               break;
+       case LINUX_FDPOLLDRVSTAT:
+               /*
+                * Just fill in some innocent defaults.
+                */
+               memset(&ldrive, 0, sizeof ldrive);
+               ldrive.fd_ref = 1;
+               ldrive.maxblock = 2;
+               ldrive.maxtrack = ldrive.track = 1;
+               ldrive.flags = LINUX_FD_DISK_WRITABLE;
+               error = copyout(&ldrive, SCARG(uap, data), sizeof ldrive);
+               break;
+       case LINUX_FDGETPRM:
+               error = ioctlf(fp, FDIOCGETFORMAT, (caddr_t)&fparams, p);
+               if (error != 0)
+                       break;
+               lflop.size = fparams.ncyl * fparams.nspt * fparams.ntrk;
+               lflop.sect = fparams.nspt;
+               lflop.head = fparams.ntrk;
+               lflop.track = fparams.ncyl;
+               lflop.stretch = fparams.stepspercyl == 2 ? 1 : 0;
+               lflop.fmt_gap = fparams.gaplen;
+               /*
+                * XXXX Use knowledge of floppy for these fields.
+                * FDIOCGETFORMAT does not provide enough information.
+                * It would be better to have FDIOCGETFORMAT return more
+                * information.
+                */
+               switch (fparams.xfer_rate) {
+               case 500 * 1024:
+                       lflop.spec1 = 0xcf;
+                       lflop.gap = 0x1b;
+                       lflop.rate = FDC_500KBPS;
+                       break;
+               case 300 * 1024:
+                       lflop.spec1 = 0xdf;
+                       lflop.gap = 0x23;
+                       lflop.rate = FDC_300KBPS;
+                       break;
+               case 250 * 1024:
+                       lflop.spec1 = 0xdf;
+                       lflop.gap = 0x2a;
+                       lflop.rate = FDC_250KBPS;
+                       break;
+               }
+               error = copyout(&lflop, SCARG(uap, data), sizeof lflop);
+               break;
+       case LINUX_FDSETPRM:
+               /*
+                * Should use FDIOCSETFORMAT here, iff its interface
+                * is extended.
+                */
+       case LINUX_FDDEFPRM:
+       case LINUX_FDFMTBEG:
+       case LINUX_FDFMTTRK:
+       case LINUX_FDFMTEND:
+       case LINUX_FDSETEMSGTRESH:
+       case LINUX_FDFLUSH:
+       case LINUX_FDSETMAXERRS:
+       case LINUX_FDGETMAXERRS:
+       case LINUX_FDGETDRVTYP:
+       case LINUX_FDSETDRVPRM:
+       case LINUX_FDGETDRVPRM:
+       case LINUX_FDGETDRVSTAT:
+       case LINUX_FDRESET:
+       case LINUX_FDGETFDCSTAT:
+       case LINUX_FDWERRORCLR:
+       case LINUX_FDWERRORGET:
+       case LINUX_FDRAWCMD:
+       case LINUX_FDEJECT:
+       default:
+               error = EINVAL;
+       }
+
+       FILE_UNUSE(fp, p);
+
+       return 0;
+}
diff -r 12d8d9df7696 -r 06611d75d6ed sys/compat/linux/common/linux_fdio.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/compat/linux/common/linux_fdio.h      Fri Mar 30 21:39:58 2001 +0000
@@ -0,0 +1,200 @@
+/*     $NetBSD: linux_fdio.h,v 1.1.6.2 2001/03/30 21:39:59 he 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.
+ */
+
+#ifndef _LINUX_FDIO_H
+#define _LINUX_FDIO_H
+
+/*
+ * Linux floppy ioctl call structures and defines.
+ */
+
+struct linux_floppy_struct {
+       u_int size;
+       u_int sect;
+       u_int head;
+       u_int track;
+       u_int stretch;
+       u_char gap;
+       u_char rate;
+       u_char spec1;
+       u_char fmt_gap;
+       const char *name;
+};
+
+struct linux_floppy_max_errors {
+       u_int abort;
+       u_int read_track;
+       u_int reset;
+       u_int recal;
+       u_int reporting;
+};
+
+struct linux_floppy_drive_params {
+       char cmos;
+       u_long max_dtr;
+       u_long hlt;
+       u_long hut;
+        u_long srt;
+       u_long spinup;
+       u_long spindown;
+        u_char spindown_offset;
+       u_char select_delay;
+       u_char rps;
+       u_char tracks;
+       u_long timeout;
+       u_char interleave_sect;
+       struct linux_floppy_max_errors max_errors;
+       char flags;
+       char read_track;
+       short autodetect[8];
+       int checkfreq;
+       int native_format;
+};
+
+struct linux_floppy_drive_struct {
+       u_long flags;
+       u_long spinup_date;
+       u_long select_date;
+       u_long first_read_date;
+       short probed_format;
+       short track;
+       short maxblock;
+       short maxtrack;
+       int generation;
+       int keep_data;
+       int fd_ref;
+       int fd_device;
+       u_long last_checked;
+       char *dmabuf;
+       int bufblocks;
+};
+
+#define LINUX_FD_NEED_TWADDLE  0x01
+#define LINUX_FD_VERIFY                0x02
+#define LINUX_FD_DISK_NEWCHANGE        0x04
+#define LINUX_FD_DISK_CHANGED  0x10
+#define LINUX_FD_DISK_WRITABLE 0x20
+
+
+struct linux_floppy_fdc_state {       
+       int spec1;
+       int spec2;
+       int dtr;
+       u_char version;
+       u_char dor;
+       u_long address;
+       u_int rawcmd:2;