patch-2.3.99-pre7 linux/drivers/char/rio/cmdpkt.h

• Lines: 207
• Date: Wed May 10 16:56:43 2000
• Orig file: v2.3.99-pre6/linux/drivers/char/rio/cmdpkt.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.99-pre6/linux/drivers/char/rio/cmdpkt.h linux/drivers/char/rio/cmdpkt.h
@@ -0,0 +1,206 @@
+/*
+** -----------------------------------------------------------------------------
+**
+**  Perle Specialix driver for Linux
+**  Ported from existing RIO Driver for SCO sources.
+ *
+ *  (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.
+**
+**	Module		: cmdpkt.h
+**	SID		: 1.2
+**	Last Modified	: 11/6/98 11:34:09
+**	Retrieved	: 11/6/98 11:34:20
+**
+**  ident @(#)cmdpkt.h	1.2
+**
+** -----------------------------------------------------------------------------
+*/
+#ifndef __rio_cmdpkt_h__
+#define __rio_cmdpkt_h__
+
+#ifdef SCCS_LABELS
+#ifndef lint
+static char *_cmdpkt_h_sccs_ = "@(#)cmdpkt.h	1.2";
+#endif
+#endif
+
+/*
+** overlays for the data area of a packet. Used in both directions
+** (to build a packet to send, and to interpret a packet that arrives)
+** and is very inconvenient for MIPS, so they appear as two seperate
+** structures - those used for modifying/reading packets on the card
+** and those for modifying/reading packets in real memory, which have an _M
+** suffix.
+*/
+
+#define	RTA_BOOT_DATA_SIZE (PKT_MAX_DATA_LEN-2)
+
+/*
+** The boot information packet looks like this:
+** This structure overlays a PktCmd->CmdData structure, and so starts
+** at Data[2] in the actual pkt!
+*/
+struct BootSequence
+{
+    WORD	NumPackets;
+    WORD	LoadBase;
+    WORD	CodeSize;
+};
+
+#define	BOOT_SEQUENCE_LEN	8
+
+struct SamTop
+{
+    BYTE Unit;
+    BYTE Link;
+};
+
+struct CmdHdr
+{
+    BYTE PcCommand;
+    union
+    {
+    BYTE PcPhbNum;
+    BYTE PcLinkNum;
+    BYTE PcIDNum;
+    } U0;
+};
+
+
+struct PktCmd
+{
+    union
+    {
+	struct 
+	{
+	    struct CmdHdr CmdHdr;
+	    struct BootSequence PcBootSequence;
+	} S1;
+	struct
+	{
+	    WORD PcSequence;
+	    BYTE PcBootData[RTA_BOOT_DATA_SIZE];
+	} S2;
+	struct
+	{
+	    WORD  __crud__;
+	    BYTE  PcUniqNum[4];	        /* this is really a uint. */
+	    BYTE  PcModuleTypes;  	/* what modules are fitted */
+	} S3;
+	struct
+	{
+	    struct CmdHdr CmdHdr;
+	    BYTE   __undefined__;
+	    BYTE   PcModemStatus;
+	    BYTE   PcPortStatus;
+	    BYTE   PcSubCommand;	/* commands like mem or register dump */
+	    WORD   PcSubAddr;		/* Address for command */
+	    BYTE   PcSubData[64];	/* Date area for command */
+	} S4;
+	struct
+	{
+	    struct CmdHdr CmdHdr;
+	    BYTE   PcCommandText[1];
+	    BYTE   __crud__[20];
+	    BYTE   PcIDNum2;		/* It had to go somewhere! */
+	} S5;
+	struct
+	{
+	    struct CmdHdr CmdHdr;
+	    struct SamTop    Topology[LINKS_PER_UNIT];
+	} S6;
+    } U1;
+};
+
+struct PktCmd_M
+{
+    union
+    {
+	struct 
+	{
+	    struct
+	    {
+    		uchar PcCommand;
+    		union
+    		{
+    		    uchar PcPhbNum;
+    		    uchar PcLinkNum;
+    		    uchar PcIDNum;
+    		} U0;
+	    } CmdHdr;
+	    struct
+	    {
+                ushort	NumPackets;
+                ushort	LoadBase;
+                ushort	CodeSize;
+            } PcBootSequence;
+	} S1;
+	struct
+	{
+	    ushort PcSequence;
+	    uchar PcBootData[RTA_BOOT_DATA_SIZE];
+	} S2;
+	struct
+	{
+	    ushort  __crud__;
+	    uchar  PcUniqNum[4];	        /* this is really a uint. */
+	    uchar  PcModuleTypes;  	/* what modules are fitted */
+	} S3;
+	struct
+	{
+	    ushort  __cmd_hdr__;
+	    uchar   __undefined__;
+	    uchar   PcModemStatus;
+	    uchar   PcPortStatus;
+	    uchar   PcSubCommand;
+	    ushort  PcSubAddr;
+	    uchar   PcSubData[64];
+	} S4;
+	struct
+	{
+	    ushort  __cmd_hdr__;
+	    uchar   PcCommandText[1];
+	    uchar   __crud__[20];
+	    uchar   PcIDNum2;		/* Tacked on end */
+	} S5;
+	struct
+	{
+	    ushort  __cmd_hdr__;
+	    struct Top Topology[LINKS_PER_UNIT];
+	} S6;
+    } U1;
+};
+
+#define Command		U1.S1.CmdHdr.PcCommand
+#define PhbNum		U1.S1.CmdHdr.U0.PcPhbNum
+#define IDNum		U1.S1.CmdHdr.U0.PcIDNum
+#define IDNum2		U1.S5.PcIDNum2
+#define LinkNum		U1.S1.CmdHdr.U0.PcLinkNum
+#define Sequence	U1.S2.PcSequence
+#define BootData	U1.S2.PcBootData
+#define BootSequence	U1.S1.PcBootSequence
+#define UniqNum		U1.S3.PcUniqNum
+#define ModemStatus	U1.S4.PcModemStatus
+#define PortStatus	U1.S4.PcPortStatus
+#define SubCommand	U1.S4.PcSubCommand
+#define SubAddr		U1.S4.PcSubAddr
+#define SubData		U1.S4.PcSubData
+#define CommandText	U1.S5.PcCommandText
+#define RouteTopology	U1.S6.Topology
+#define ModuleTypes	U1.S3.PcModuleTypes
+
+#endif