ia64/linux-2.6.18-xen.hg

view drivers/char/rio/pkt.h @ 912:dd42cdb0ab89

[IA64] Build blktap2 driver by default in x86 builds.

add CONFIG_XEN_BLKDEV_TAP2=y to buildconfigs/linux-defconfig_xen_ia64.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
author Isaku Yamahata <yamahata@valinux.co.jp>
date Mon Jun 29 12:09:16 2009 +0900 (2009-06-29)
parents 831230e53067
children
line source
1 /****************************************************************************
2 ******* *******
3 ******* P A C K E T H E A D E R F I L E
4 ******* *******
5 ****************************************************************************
7 Author : Ian Nandhra / Jeremy Rolls
8 Date :
10 *
11 * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 Version : 0.01
30 Mods
31 ----------------------------------------------------------------------------
32 Date By Description
33 ----------------------------------------------------------------------------
35 ***************************************************************************/
37 #ifndef _pkt_h
38 #define _pkt_h 1
40 #define PKT_CMD_BIT ((ushort) 0x080)
41 #define PKT_CMD_DATA ((ushort) 0x080)
43 #define PKT_ACK ((ushort) 0x040)
45 #define PKT_TGL ((ushort) 0x020)
47 #define PKT_LEN_MASK ((ushort) 0x07f)
49 #define DATA_WNDW ((ushort) 0x10)
50 #define PKT_TTL_MASK ((ushort) 0x0f)
52 #define PKT_MAX_DATA_LEN 72
54 #define PKT_LENGTH sizeof(struct PKT)
55 #define SYNC_PKT_LENGTH (PKT_LENGTH + 4)
57 #define CONTROL_PKT_LEN_MASK PKT_LEN_MASK
58 #define CONTROL_PKT_CMD_BIT PKT_CMD_BIT
59 #define CONTROL_PKT_ACK (PKT_ACK << 8)
60 #define CONTROL_PKT_TGL (PKT_TGL << 8)
61 #define CONTROL_PKT_TTL_MASK (PKT_TTL_MASK << 8)
62 #define CONTROL_DATA_WNDW (DATA_WNDW << 8)
64 struct PKT {
65 u8 dest_unit; /* Destination Unit Id */
66 u8 dest_port; /* Destination POrt */
67 u8 src_unit; /* Source Unit Id */
68 u8 src_port; /* Source POrt */
69 u8 len;
70 u8 control;
71 u8 data[PKT_MAX_DATA_LEN];
72 /* Actual data :-) */
73 u16 csum; /* C-SUM */
74 };
75 #endif
77 /*********** end of file ***********/