diff options
Diffstat (limited to 'drivers/char/rio/cmdpkt.h')
| -rw-r--r-- | drivers/char/rio/cmdpkt.h | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/drivers/char/rio/cmdpkt.h b/drivers/char/rio/cmdpkt.h new file mode 100644 index 000000000000..46befd354f20 --- /dev/null +++ b/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 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 |