ia64/linux-2.6.18-xen.hg

view drivers/ieee1394/video1394.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 * video1394.h - driver for OHCI 1394 boards
3 * Copyright (C)1999,2000 Sebastien Rougeaux <sebastien.rougeaux@anu.edu.au>
4 * Peter Schlaile <udbz@rz.uni-karlsruhe.de>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software Foundation,
18 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 */
21 #ifndef _VIDEO_1394_H
22 #define _VIDEO_1394_H
24 #include "ieee1394-ioctl.h"
26 #define VIDEO1394_DRIVER_NAME "video1394"
28 #define VIDEO1394_MAX_SIZE 0x4000000
30 enum {
31 VIDEO1394_BUFFER_FREE = 0,
32 VIDEO1394_BUFFER_QUEUED,
33 VIDEO1394_BUFFER_READY
34 };
36 #define VIDEO1394_SYNC_FRAMES 0x00000001
37 #define VIDEO1394_INCLUDE_ISO_HEADERS 0x00000002
38 #define VIDEO1394_VARIABLE_PACKET_SIZE 0x00000004
40 struct video1394_mmap {
41 int channel; /* -1 to find an open channel in LISTEN/TALK */
42 unsigned int sync_tag;
43 unsigned int nb_buffers;
44 unsigned int buf_size;
45 unsigned int packet_size; /* For VARIABLE_PACKET_SIZE:
46 Maximum packet size */
47 unsigned int fps;
48 unsigned int syt_offset;
49 unsigned int flags;
50 };
52 /* For TALK_QUEUE_BUFFER with VIDEO1394_VARIABLE_PACKET_SIZE use */
53 struct video1394_queue_variable {
54 unsigned int channel;
55 unsigned int buffer;
56 unsigned int __user * packet_sizes; /* Buffer of size:
57 buf_size / packet_size */
58 };
60 struct video1394_wait {
61 unsigned int channel;
62 unsigned int buffer;
63 struct timeval filltime; /* time of buffer full */
64 };
67 #endif