[src/trunk]: src/sys/compat/linux/arch/i386 For unknown ioctls, pass them thr...

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

details:   https://anonhg.NetBSD.org/src/rev/5fc7e6df1e05
branches:  trunk
changeset: 500771:5fc7e6df1e05
user:      fvdl <fvdl%NetBSD.org@localhost>
date:      Mon Dec 18 14:47:38 2000 +0000

description:
For unknown ioctls, pass them through to a device using PTIOCLINUX,
so that it may deal with them if it knows them (i.e. LKMs which
deal with Linux binaries).

diffstat:

 sys/compat/linux/arch/i386/linux_machdep.c |  23 ++++++++++++-----------
 1 files changed, 12 insertions(+), 11 deletions(-)

diffs (45 lines):

diff -r 47346d67baa2 -r 5fc7e6df1e05 sys/compat/linux/arch/i386/linux_machdep.c
--- a/sys/compat/linux/arch/i386/linux_machdep.c        Mon Dec 18 14:46:36 2000 +0000
+++ b/sys/compat/linux/arch/i386/linux_machdep.c        Mon Dec 18 14:47:38 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: linux_machdep.c,v 1.54 2000/12/12 15:11:56 fvdl Exp $  */
+/*     $NetBSD: linux_machdep.c,v 1.55 2000/12/18 14:47:38 fvdl Exp $  */
 
 /*-
  * Copyright (c) 1995, 2000 The NetBSD Foundation, Inc.
@@ -615,6 +615,7 @@
        u_long start, biostotal, realtotal;
        u_char heads, sectors;
        u_int cylinders;
+       struct ioctl_pt pt;
 
        fd = SCARG(uap, fd);
        SCARG(&bia, fd) = fd;
@@ -772,17 +773,17 @@
 
        default:
                /*
-                * XXX just pass all for LKMs?
-                * XXX this means that device drivers specifically dealing
-                * XXX with Linux binaries will need to do copyin/copyout
-                * XXX handling themselves.
+                * Unknown to us. If it's on a device, just pass it through
+                * using PTIOCLINUX, the device itself might be able to
+                * make some sense of it.
                 */
-               if (com > LINUX_IOCTL_MIN_PASS &&
-                   com < LINUX_IOCTL_MAX_PASS) {
-                       FILE_USE(fp);
-                       ioctlf = fp->f_ops->fo_ioctl;
-                       error = ioctlf(fp, com, SCARG(uap, data), p);
-               }
+               FILE_USE(fp);
+               ioctlf = fp->f_ops->fo_ioctl;
+               pt.com = SCARG(uap, com);
+               pt.data = SCARG(uap, data);
+               error = ioctlf(fp, PTIOCLINUX, (caddr_t)&pt, p);
+               FILE_UNUSE(fp, p);
+
                if (error == EINVAL)
                        printf("linux_machdepioctl: invalid ioctl %08lx\n",
                            com);