diff options
Diffstat (limited to 'usr/src/uts/common/sys/ioccom.h')
| -rw-r--r-- | usr/src/uts/common/sys/ioccom.h | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/usr/src/uts/common/sys/ioccom.h b/usr/src/uts/common/sys/ioccom.h index ffd4563c25..14321f0587 100644 --- a/usr/src/uts/common/sys/ioccom.h +++ b/usr/src/uts/common/sys/ioccom.h @@ -2,9 +2,8 @@ * CDDL HEADER START * * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. @@ -20,7 +19,7 @@ * CDDL HEADER END */ /* - * Copyright 1997 Sun Microsystems, Inc. All rights reserved. + * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -50,10 +49,10 @@ extern "C" { * Ioctl's have the command encoded in the lower word, * and the size of any in or out parameters in the upper * word. The high 2 bits of the upper word are used - * to encode the in/out status of the parameter; for now - * we restrict parameters to at most 255 bytes. + * to encode the in/out status of the parameter; + * parameters are restricted to at most 8191 bytes. */ -#define IOCPARM_MASK 0xff /* parameters must be < 256 bytes */ +#define IOCPARM_MASK 0x1fff /* parameters must be < 8K bytes */ #define IOC_VOID 0x20000000 /* no parameters */ #define IOC_OUT 0x40000000 /* copy out parameters */ #define IOC_IN 0x80000000 /* copy in parameters */ |