ia64/linux-2.6.18-xen.hg

view drivers/char/rio/param.h @ 893:f994bfe9b93b

linux/blktap2: reduce TLB flush scope

c/s 885 added very coarse TLB flushing. Since these flushes always
follow single page updates, single page flushes (when available) are
sufficient.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
author Keir Fraser <keir.fraser@citrix.com>
date Thu Jun 04 10:32:57 2009 +0100 (2009-06-04)
parents 831230e53067
children
line source
1 /*
2 ** -----------------------------------------------------------------------------
3 **
4 ** Perle Specialix driver for Linux
5 ** Ported from existing RIO Driver for SCO sources.
6 *
7 * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 **
23 ** Module : param.h
24 ** SID : 1.2
25 ** Last Modified : 11/6/98 11:34:12
26 ** Retrieved : 11/6/98 11:34:21
27 **
28 ** ident @(#)param.h 1.2
29 **
30 ** -----------------------------------------------------------------------------
31 */
33 #ifndef __rio_param_h__
34 #define __rio_param_h__
36 #ifdef SCCS_LABELS
37 static char *_param_h_sccs_ = "@(#)param.h 1.2";
38 #endif
41 /*
42 ** the param command block, as used in OPEN and PARAM calls.
43 */
45 struct phb_param {
46 u8 Cmd; /* It is very important that these line up */
47 u8 Cor1; /* with what is expected at the other end. */
48 u8 Cor2; /* to confirm that you've got it right, */
49 u8 Cor4; /* check with cirrus/cirrus.h */
50 u8 Cor5;
51 u8 TxXon; /* Transmit X-On character */
52 u8 TxXoff; /* Transmit X-Off character */
53 u8 RxXon; /* Receive X-On character */
54 u8 RxXoff; /* Receive X-Off character */
55 u8 LNext; /* Literal-next character */
56 u8 TxBaud; /* Transmit baudrate */
57 u8 RxBaud; /* Receive baudrate */
58 };
60 #endif