diff options
Diffstat (limited to 'drivers/char/rio/rup.h')
| -rw-r--r-- | drivers/char/rio/rup.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/char/rio/rup.h b/drivers/char/rio/rup.h new file mode 100644 index 000000000000..b9d2bc03d14b --- /dev/null +++ b/drivers/char/rio/rup.h | |||
| @@ -0,0 +1,82 @@ | |||
| 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 | |||
| 46 | #if defined( HOST ) || defined( INKERNEL ) | ||
| 47 | #define MAX_RUP ((short) 16) | ||
| 48 | #endif | ||
| 49 | #ifdef RTA | ||
| 50 | #define MAX_RUP ((short) 1) | ||
| 51 | #endif | ||
| 52 | |||
| 53 | #define PKTS_PER_RUP ((short) 2) /* They are always used in pairs */ | ||
| 54 | |||
| 55 | /************************************************* | ||
| 56 | * Define all the packet request stuff | ||
| 57 | ************************************************/ | ||
| 58 | #define TX_RUP_INACTIVE 0 /* Nothing to transmit */ | ||
| 59 | #define TX_PACKET_READY 1 /* Transmit packet ready */ | ||
| 60 | #define TX_LOCK_RUP 2 /* Transmit side locked */ | ||
| 61 | |||
| 62 | #define RX_RUP_INACTIVE 0 /* Nothing received */ | ||
| 63 | #define RX_PACKET_READY 1 /* Packet received */ | ||
| 64 | |||
| 65 | #define RUP_NO_OWNER 0xff /* RUP not owned by any process */ | ||
| 66 | |||
| 67 | struct RUP { | ||
| 68 | PKT_ptr txpkt; /* Outgoing packet */ | ||
| 69 | PKT_ptr rxpkt; /* Incoming packet */ | ||
| 70 | WORD link; /* Which link to send down? */ | ||
| 71 | BYTE rup_dest_unit[2]; /* Destination unit */ | ||
| 72 | WORD handshake; /* For handshaking */ | ||
| 73 | WORD timeout; /* Timeout */ | ||
| 74 | WORD status; /* Status */ | ||
| 75 | WORD txcontrol; /* Transmit control */ | ||
| 76 | WORD rxcontrol; /* Receive control */ | ||
| 77 | }; | ||
| 78 | |||
| 79 | #endif | ||
| 80 | |||
| 81 | /*********** end of file ***********/ | ||
| 82 | |||