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43 lines
827 B
C
43 lines
827 B
C
#ifndef DSIPROTO_H
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#define DSIPROTO_H
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#include <types.h>
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typedef struct DSIRequestHeader {
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Byte flags;
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Byte command;
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Word requestID;
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LongWord writeOffset;
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LongWord totalDataLength;
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LongWord reserved;
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} DSIRequestHeader;
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typedef struct DSIReplyHeader {
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Byte flags;
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Byte command;
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Word requestID;
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LongWord errorCode;
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LongWord totalDataLength;
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LongWord reserved;
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} DSIReplyHeader;
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#define DSI_HEADER_SIZE 16
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/* flags values */
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#define DSI_REQUEST 0
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#define DSI_REPLY 1
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/* DSI command codes */
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#define DSICloseSession 1
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#define DSICommand 2
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#define DSIGetStatus 3
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#define DSIOpenSession 4
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#define DSITickle 5
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#define DSIWrite 6
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#define DSIAttention 8
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/* The attention quantum supported by this implementation */
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#define DSI_ATTENTION_QUANTUM 2
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#endif
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