projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /**************************************************************************** |
| 2 | ******* ******* | |
| 3 | ******* R U P S T R U C T U R E | |
| 4 | ******* ******* | |
| 5 | **************************************************************************** | |
| 6 | ||
| 7 | Author : Ian Nandhra | |
| 8 | Date : | |
| 9 | ||
| 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. | |
| 26 | ||
| 27 | Version : 0.01 | |
| 28 | ||
| 29 | ||
| 30 | Mods | |
| 31 | ---------------------------------------------------------------------------- | |
| 32 | Date By Description | |
| 33 | ---------------------------------------------------------------------------- | |
| 34 | ||
| 35 | ***************************************************************************/ | |
| 36 | ||
| 37 | #ifndef _rup_h | |
| 38 | #define _rup_h 1 | |
| 39 | ||
| 40 | #ifdef SCCS_LABELS | |
| 41 | #ifndef lint | |
| 42 | /* static char *_rio_rup_h_sccs = "@(#)rup.h 1.5"; */ | |
| 43 | #endif | |
| 44 | #endif | |
| 45 | ||
| 8d8706e2 | 46 | #define MAX_RUP ((short) 16) |
| 1da177e4 | 47 | |
| 8d8706e2 | 48 | #define PKTS_PER_RUP ((short) 2) /* They are always used in pairs */ |
| 1da177e4 LT |
49 | |
| 50 | /************************************************* | |
| 51 | * Define all the packet request stuff | |
| 52 | ************************************************/ | |
| 8d8706e2 AM |
53 | #define TX_RUP_INACTIVE 0 /* Nothing to transmit */ |
| 54 | #define TX_PACKET_READY 1 /* Transmit packet ready */ | |
| 55 | #define TX_LOCK_RUP 2 /* Transmit side locked */ | |
| 1da177e4 | 56 | |
| 8d8706e2 AM |
57 | #define RX_RUP_INACTIVE 0 /* Nothing received */ |
| 58 | #define RX_PACKET_READY 1 /* Packet received */ | |
| 1da177e4 | 59 | |
| 8d8706e2 | 60 | #define RUP_NO_OWNER 0xff /* RUP not owned by any process */ |
| 1da177e4 LT |
61 | |
| 62 | struct RUP { | |
| 8d8706e2 AM |
63 | PKT_ptr txpkt; /* Outgoing packet */ |
| 64 | PKT_ptr rxpkt; /* Incoming packet */ | |
| 65 | WORD link; /* Which link to send down? */ | |
| 66 | BYTE rup_dest_unit[2]; /* Destination unit */ | |
| 67 | WORD handshake; /* For handshaking */ | |
| 68 | WORD timeout; /* Timeout */ | |
| 69 | WORD status; /* Status */ | |
| 70 | WORD txcontrol; /* Transmit control */ | |
| 71 | WORD rxcontrol; /* Receive control */ | |
| 72 | }; | |
| 73 | ||
| 1da177e4 LT |
74 | #endif |
| 75 | ||
| 76 | /*********** end of file ***********/ |