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-rw-r--r--drivers/char/rio/rup.h82
1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/char/rio/rup.h b/drivers/char/rio/rup.h
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+/****************************************************************************
+ ******* *******
+ ******* R U P S T R U C T U R E
+ ******* *******
+ ****************************************************************************
+
+ Author : Ian Nandhra
+ Date :
+
+ *
+ * (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ Version : 0.01
+
+
+ Mods
+ ----------------------------------------------------------------------------
+ Date By Description
+ ----------------------------------------------------------------------------
+
+ ***************************************************************************/
+
+#ifndef _rup_h
+#define _rup_h 1
+
+#ifdef SCCS_LABELS
+#ifndef lint
+/* static char *_rio_rup_h_sccs = "@(#)rup.h 1.5"; */
+#endif
+#endif
+
+#if defined( HOST ) || defined( INKERNEL )
+#define MAX_RUP ((short) 16)
+#endif
+#ifdef RTA
+#define MAX_RUP ((short) 1)
+#endif
+
+#define PKTS_PER_RUP ((short) 2) /* They are always used in pairs */
+
+/*************************************************
+ * Define all the packet request stuff
+ ************************************************/
+#define TX_RUP_INACTIVE 0 /* Nothing to transmit */
+#define TX_PACKET_READY 1 /* Transmit packet ready */
+#define TX_LOCK_RUP 2 /* Transmit side locked */
+
+#define RX_RUP_INACTIVE 0 /* Nothing received */
+#define RX_PACKET_READY 1 /* Packet received */
+
+#define RUP_NO_OWNER 0xff /* RUP not owned by any process */
+
+struct RUP {
+ PKT_ptr txpkt; /* Outgoing packet */
+ PKT_ptr rxpkt; /* Incoming packet */
+ WORD link; /* Which link to send down? */
+ BYTE rup_dest_unit[2]; /* Destination unit */
+ WORD handshake; /* For handshaking */
+ WORD timeout; /* Timeout */
+ WORD status; /* Status */
+ WORD txcontrol; /* Transmit control */
+ WORD rxcontrol; /* Receive control */
+ };
+
+#endif
+
+/*********** end of file ***********/
+