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- /* Copyright (c) 1984, 1986, 1987, 1988 AT&T */
- /* All Rights Reserved */
-
- /* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
- /* The copyright notice above does not evidence any */
- /* actual or intended publication of such source code. */
-
-
- #ident "@(#)head.sys:jioctl.h 1.3"
-
- /*
- ** Unix to Jerq I/O control codes
- */
-
- #define JTYPE ('j'<<8)
- #define JBOOT (JTYPE|1)
- #define JTERM (JTYPE|2)
- #define JMPX (JTYPE|3)
- #define JTIMO (JTYPE|4) /* Timeouts in seconds */
- #define JWINSIZE (JTYPE|5)
- #define JTIMOM (JTYPE|6) /* Timeouts in millisecs */
- #define JZOMBOOT (JTYPE|7)
- #define JAGENT (JTYPE|9) /* control for both directions */
- #define JTRUN (JTYPE|10) /* send runlayer command to layers*/
-
- struct jwinsize
- {
- char bytesx, bytesy; /* Window size in characters */
- short bitsx, bitsy; /* Window size in bits */
- };
-
- /** Channel 0 control message format **/
-
- struct jerqmesg
- {
- char cmd; /* A control code above */
- char chan; /* Channel it refers to */
- };
-
- /*
- ** Character-driven state machine information for Jerq to Unix communication.
- */
-
- #define C_SENDCHAR 1 /* Send character to layer process */
- #define C_NEW 2 /* Create new layer process group */
- #define C_UNBLK 3 /* Unblock layer process */
- #define C_DELETE 4 /* Delete layer process group */
- #define C_EXIT 5 /* Exit */
- #define C_DEFUNCT 6 /* Send terminate signal to proc. group */
- #define C_SENDNCHARS 7 /* Send several characters to layer proc. */
- #define C_RESHAPE 8 /* Layer has been reshaped */
- #define C_RUN 9 /* Run command in layer */
-
- /*
- ** Usual format is: [command][data]
- */
-
- /*
- * This defines things to do with the host agent on the Blit.
- */
-
- struct bagent{ /* this is supposed to be 12 bytes long */
- long size; /* size of src string going in and dest string out */
- char * src; /* address of the source byte string */
- char * dest; /* address of the destination byte string */
- };
-