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Diffstat (limited to 'drivers/char/rio/map.h')
-rw-r--r-- | drivers/char/rio/map.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/drivers/char/rio/map.h b/drivers/char/rio/map.h new file mode 100644 index 000000000000..400645a1ff28 --- /dev/null +++ b/drivers/char/rio/map.h | |||
@@ -0,0 +1,103 @@ | |||
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 : map.h | ||
24 | ** SID : 1.2 | ||
25 | ** Last Modified : 11/6/98 11:34:11 | ||
26 | ** Retrieved : 11/6/98 11:34:21 | ||
27 | ** | ||
28 | ** ident @(#)map.h 1.2 | ||
29 | ** | ||
30 | ** ----------------------------------------------------------------------------- | ||
31 | */ | ||
32 | |||
33 | #ifndef __rio_map_h__ | ||
34 | #define __rio_map_h__ | ||
35 | |||
36 | #ifdef SCCS_LABELS | ||
37 | static char *_map_h_sccs_ = "@(#)map.h 1.2"; | ||
38 | #endif | ||
39 | |||
40 | /* | ||
41 | ** mapping structure passed to and from the config.rio program to | ||
42 | ** determine the current topology of the world | ||
43 | */ | ||
44 | |||
45 | #define MAX_MAP_ENTRY 17 | ||
46 | #define TOTAL_MAP_ENTRIES (MAX_MAP_ENTRY*RIO_SLOTS) | ||
47 | #define MAX_NAME_LEN 32 | ||
48 | |||
49 | struct Map | ||
50 | { | ||
51 | uint HostUniqueNum; /* Supporting hosts unique number */ | ||
52 | uint RtaUniqueNum; /* Unique number */ | ||
53 | /* | ||
54 | ** The next two IDs must be swapped on big-endian architectures | ||
55 | ** when using a v2.04 /etc/rio/config with a v3.00 driver (when | ||
56 | ** upgrading for example). | ||
57 | */ | ||
58 | ushort ID; /* ID used in the subnet */ | ||
59 | ushort ID2; /* ID of 2nd block of 8 for 16 port */ | ||
60 | ulong Flags; /* Booted, ID Given, Disconnected */ | ||
61 | ulong SysPort; /* First tty mapped to this port */ | ||
62 | struct Top Topology[LINKS_PER_UNIT]; /* ID connected to each link */ | ||
63 | char Name[MAX_NAME_LEN]; /* Cute name by which RTA is known */ | ||
64 | }; | ||
65 | |||
66 | /* | ||
67 | ** Flag values: | ||
68 | */ | ||
69 | #define RTA_BOOTED 0x00000001 | ||
70 | #define RTA_NEWBOOT 0x00000010 | ||
71 | #define MSG_DONE 0x00000020 | ||
72 | #define RTA_INTERCONNECT 0x00000040 | ||
73 | #define RTA16_SECOND_SLOT 0x00000080 | ||
74 | #define BEEN_HERE 0x00000100 | ||
75 | #define SLOT_TENTATIVE 0x40000000 | ||
76 | #define SLOT_IN_USE 0x80000000 | ||
77 | |||
78 | /* | ||
79 | ** HostUniqueNum is the unique number from the host card that this RTA | ||
80 | ** is to be connected to. | ||
81 | ** RtaUniqueNum is the unique number of the RTA concerned. It will be ZERO | ||
82 | ** if the slot in the table is unused. If it is the same as the HostUniqueNum | ||
83 | ** then this slot represents a host card. | ||
84 | ** Flags contains current boot/route state info | ||
85 | ** SysPort is a value in the range 0-504, being the number of the first tty | ||
86 | ** on this RTA. Each RTA supports 8 ports. The SysPort value must be modulo 8. | ||
87 | ** SysPort 0-127 correspond to /dev/ttyr001 to /dev/ttyr128, with minor | ||
88 | ** numbers 0-127. SysPort 128-255 correspond to /dev/ttyr129 to /dev/ttyr256, | ||
89 | ** again with minor numbers 0-127, and so on for SysPorts 256-383 and 384-511 | ||
90 | ** ID will be in the range 0-16 for a `known' RTA. ID will be 0xFFFF for an | ||
91 | ** unused slot/unknown ID etc. | ||
92 | ** The Topology array contains the ID of the unit connected to each of the | ||
93 | ** four links on this unit. The entry will be 0xFFFF if NOTHING is connected | ||
94 | ** to the link, or will be 0xFF00 if an UNKNOWN unit is connected to the link. | ||
95 | ** The Name field is a null-terminated string, upto 31 characters, containing | ||
96 | ** the 'cute' name that the sysadmin/users know the RTA by. It is permissible | ||
97 | ** for this string to contain any character in the range \040 to \176 inclusive. | ||
98 | ** In particular, ctrl sequences and DEL (0x7F, \177) are not allowed. The | ||
99 | ** special character '%' IS allowable, and needs no special action. | ||
100 | ** | ||
101 | */ | ||
102 | |||
103 | #endif | ||