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Diffstat (limited to 'drivers/char/rio/cmdpkt.h')
-rw-r--r--drivers/char/rio/cmdpkt.h206
1 files changed, 206 insertions, 0 deletions
diff --git a/drivers/char/rio/cmdpkt.h b/drivers/char/rio/cmdpkt.h
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+++ b/drivers/char/rio/cmdpkt.h
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+/*
+** -----------------------------------------------------------------------------
+**
+** 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 separate
+** 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