| /* |
| ** ----------------------------------------------------------------------------- |
| ** |
| ** 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 { |
| u16 NumPackets; |
| u16 LoadBase; |
| u16 CodeSize; |
| }; |
| |
| #define BOOT_SEQUENCE_LEN 8 |
| |
| struct SamTop { |
| u8 Unit; |
| u8 Link; |
| }; |
| |
| struct CmdHdr { |
| u8 PcCommand; |
| union { |
| u8 PcPhbNum; |
| u8 PcLinkNum; |
| u8 PcIDNum; |
| } U0; |
| }; |
| |
| |
| struct PktCmd { |
| union { |
| struct { |
| struct CmdHdr CmdHdr; |
| struct BootSequence PcBootSequence; |
| } S1; |
| struct { |
| u16 PcSequence; |
| u8 PcBootData[RTA_BOOT_DATA_SIZE]; |
| } S2; |
| struct { |
| u16 __crud__; |
| u8 PcUniqNum[4]; /* this is really a uint. */ |
| u8 PcModuleTypes; /* what modules are fitted */ |
| } S3; |
| struct { |
| struct CmdHdr CmdHdr; |
| u8 __undefined__; |
| u8 PcModemStatus; |
| u8 PcPortStatus; |
| u8 PcSubCommand; /* commands like mem or register dump */ |
| u16 PcSubAddr; /* Address for command */ |
| u8 PcSubData[64]; /* Date area for command */ |
| } S4; |
| struct { |
| struct CmdHdr CmdHdr; |
| u8 PcCommandText[1]; |
| u8 __crud__[20]; |
| u8 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 |