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[/] [or1k/] [trunk/] [gdb-5.0/] [gdb/] [rdi-share/] [chanpriv.h] - Blame information for rev 1765

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1 106 markom
/*
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 * Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved.
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 *
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 * This software may be freely used, copied, modified, and distributed
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 * provided that the above copyright notice is preserved in all copies of the
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 * software.
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 */
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/* -*-C-*-
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 *
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 * $Revision: 1.1.1.1 $
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 *     $Date: 2001-05-18 11:16:37 $
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 *
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 *
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 *   Project: ANGEL
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 *
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 *     Title: Private header for channels implementations
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 */
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#ifndef angel_chanpriv_h
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#define angel_chanpriv_h
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/*
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 * This describes the internal structure and flags for a channels packet.
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 */
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/* byte positions within channel packet */
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#define CF_CHANNEL_BYTE_POS  0
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#define CF_HOME_SEQ_BYTE_POS 1
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#define CF_OPPO_SEQ_BYTE_POS 2
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#define CF_FLAGS_BYTE_POS    3
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#define CF_DATA_BYTE_POS     4
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/* flags for FLAGS field */
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#define CF_RELIABLE  (1 << 0)    /* use reliable channels protocol */
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#define CF_RESEND    (1 << 1)    /* this is a renegotiation packet */
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#define CF_HEARTBEAT (1 << 2)    /* heartbeat packet - prod target into sync */
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/* byte positions within buffer */
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#define CB_LINK_BYTE_POS        0   /* the link pointer */
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#define CB_CHAN_HEADER_BYTE_POS 4   /* the channel frame starts here */
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/* macro to get buffer position of packet component */
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#define CB_PACKET(x) (CB_CHAN_HEADER_BYTE_POS + (x))
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/* byte offset of packet data within buffer */
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#define CB_CHAN_DATA_BYTE_POS   (CB_PACKET(CF_DATA_BYTE_POS))
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/* access the link in a buffer, where b is byte pointer to buffer */
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#define CB_LINK(b) ((p_Buffer)(&(b)[0]))
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#define invalidChannelID(chan)  (((int)(chan)) < 0 || \
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                                 (chan) >= CI_NUM_CHANNELS)
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#endif /* ndef angel_chanpriv_h */
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/* EOF chanpriv.h */

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