114 lines
3.5 KiB
C
114 lines
3.5 KiB
C
#ifndef __IOCMSG__
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/*
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* History
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* .01 01xx90 joh removed status field in favor of a independent m_cmmd-
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* saves space on every successful operation
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*
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* .02 041390 joh moved server ports to above IPPORT_USERRESERVED
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* see in.h
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*
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* .03 060391 joh Bumped protocol version to 4 to support changes for
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* SPARC alignment in db_access.h
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*
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*/
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#define __IOCMSG__
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/* TCP/UDP port number (bumped each protocol change) */
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#define CA_PROTOCOL_VERSION 4
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#define CA_PORT_BASE IPPORT_USERRESERVED + 56
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#define CA_SERVER_PORT (CA_PORT_BASE+CA_PROTOCOL_VERSION*2)
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#define CA_CLIENT_PORT (CA_PORT_BASE+CA_PROTOCOL_VERSION*2+1)
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#define MAX_UDP 1024
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#define MAX_TCP (MAX_UDP*16) /* so waveforms fit */
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#define MAX_MSG_SIZE (MAX_TCP) /* the larger of tcp and udp max */
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/* values for m_cmmd */
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#define IOC_NOOP 0 /* do nothing, but verify TCP */
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#define IOC_EVENT_ADD 1 /* add an event */
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#define IOC_EVENT_CANCEL 2 /* cancel an event */
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#define IOC_READ 3 /* read and return a channel value*/
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#define IOC_WRITE 4 /* write a channel value */
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#define IOC_SNAPSHOT 5 /* snapshot of the system */
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#define IOC_SEARCH 6 /* IOC channel search */
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#define IOC_BUILD 7 /* Conglomerate of IOC_SEARCH */
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/* IOC_READ */
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/* (optimizes OPI network use) */
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#define IOC_EVENTS_OFF 8 /* flow control */
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#define IOC_EVENTS_ON 9 /* flow control */
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#define IOC_READ_SYNC 10 /* purge old reads */
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#define IOC_ERROR 11 /* an operation failed */
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#define IOC_CLEAR_CHANNEL 12 /* free chan resources */
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#define IOC_RSRV_IS_UP 13 /* CA server has joined the net */
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#define IOC_NOT_FOUND 14 /* channel not found */
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#define IOC_READ_NOTIFY 15 /* add a one shot event */
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#define IOC_READ_BUILD 16 /* read accompanying a build */
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#define REPEATER_CONFIRM 17 /* registration confirmation */
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/*
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* for use with build and search and not_found (if search fails and
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* its not a broadcast tell the client to look elesewhere)
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*/
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#define DOREPLY 10
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#define DONTREPLY 5
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/* size of object in bytes rounded up to nearest oct word */
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#define OCT_ROUND(A) (((A)+7)>>3)
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#define OCT_SIZEOF(A) (OCT_ROUND(sizeof(A)))
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/* size of object in bytes rounded up to nearest long word */
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#define QUAD_ROUND(A) (((A)+3)>>2)
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#define QUAD_SIZEOF(A) (QUAD_ROUND(sizeof(A)))
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/* size of object in bytes rounded up to nearest short word */
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#define BI_ROUND(A) (((A)+1)>>1)
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#define BI_SIZEOF(A) (BI_ROUND(sizeof(A)))
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/*
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* Required Message Alignment
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*
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* Determined by the architecture with the most restrictive
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* alignment requirements (currently the SPARC).
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*
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* octal rounding
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*
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* NOTE: all structures declared in this file must have a
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* byte count which is evenly divisible by 8 for the SPARC.
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*/
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#define CA_MESSAGE_ALIGN(A) (OCT_ROUND(A)<<3)
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/*
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* the common part of each message sent/recv by the
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* CA server.
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*/
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struct extmsg {
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unsigned short m_cmmd; /* operation to be performed */
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unsigned short m_postsize; /* size of message extension */
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unsigned short m_type; /* operation data type */
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unsigned short m_count; /* operation data count */
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void *m_pciu; /* ptr to server channel in use */
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unsigned long m_available; /* undefined message location for use
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* by client processes */
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};
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/*
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* for monitor (event) message extension
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*/
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struct mon_info{
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float m_lval; /* low delta */
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float m_hval; /* high delta */
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float m_toval; /* period btween samples */
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unsigned short m_mask; /* event select mask */
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unsigned short m_pad; /* extend to 32 bits */
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};
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struct monops { /* monitor req opi to ioc */
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struct extmsg m_header;
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struct mon_info m_info;
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};
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#endif
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