/* <uicdef.h>
 *
 *	User Identification Code
 */
#ifndef _UICDEF_H
#define _UICDEF_H

/*
   Format of UIC - user identification code.  May be either two part
   group / member identifier, or a single uniform identifier.

   The binary layout of the id space is as follows:

    ---------- Bit --------
     31  30  29  28  27  26	Description
    === === === === === ===	========================================
      0   0   -   -   -   -	UIC form (group/member)
      0   1   -   -   -   -	Unused
      1   0   -   -   -   -	Identifier form
      1   0   0   0   -   -	    System identifiers
      1   0   0   1   -   -	    Facility-specific identifiers
      1   0   1   0   -   -	    Arbitrary assignment identifiers
      1   0   1   0   0   0		SEVMS identifier space
      1   0   1   0   0   1		Unused
      1   0   1   0   1   0		Unused
      1   0   1   0   1   1		Unused
      1   0   1   1   -   -	    Unused
      1   1   -   -   -   -	Unused
 */
#define UIC$K_MAX_UIC		0x3FFFFFFF	/* Highest possible UIC */
#define UIC$K_WILD_MEMBER	0177777		/* Code for wild card member */
#define UIC$K_WILD_GROUP	0037777		/* Code for wild card group */
#define UIC$K_UIC_FORMAT	0		/* UIC format code */
#define UIC$K_ID_FORMAT		2		/* ID format code */
#define UIC$K_TYPE_SYSTEM	8		/* system ID or UIC */
#define UIC$K_TYPE_FACILITY	9		/* facility ID or UIC */
#define UIC$K_TYPE_ARBITRARY	10		/* arbitrary assignment space */
#define UIC$K_FIRST_ID		0x80010000	/* First general identifier */
#define UIC$K_LAST_ID		0x8FFFFFFF	/* Last general identifier */
#define UIC$K_MATCH_ALL		(-1)		/* Match all identifiers */
/* #define UIC$K_ASSIGN_SEVMS	   0 */		/* SEVMS block of identifier space */

#define UIC$V_MEMBER	0
#define UIC$S_MEMBER	16
#define UIC$M_MEMBER	0x0000FFFF
#define UIC$V_GROUP	16
#define UIC$S_GROUP	14
#define UIC$M_GROUP	0x3FFF0000
#define UIC$V_FORMAT	30
#define UIC$S_FORMAT	2
#define UIC$M_FORMAT	0xC0000000
#define UIC$V_ID_CODE	0
#define UIC$S_ID_CODE	28
#define UIC$M_ID_CODE	0x0FFFFFFF

union uicdef {
    unsigned long uic$l_uic;		/* full longword */
    struct {				/* group / member format */
	unsigned uic$v_member : 16;	/* member number */
	unsigned uic$v_group  : 14;	/* group number */
	unsigned uic$v_format : 2;	/* format code */
    } uic$r_uic_form;
    struct {				/* general identifier format */
	unsigned uic$v_id_code : 28;	/* ID code */
	unsigned uic$v_id_type : 4;	/* ID type */
    } uic$r_id_form;
    struct {				/* facility identifier format */
	unsigned uic$v_fac_id_code : 16; /* ID code */
	unsigned uic$v_facility : 12;	/* facility code */
	unsigned		: 4;	/* space for ID type code */
    } uic$r_fac_id_form;
    struct {				/* aribtrary assignment format */
	unsigned uic$v_arb_id_code : 26; /* ID code */
	unsigned uic$v_assign_code :  2; /* assignment code */
	unsigned		   :  4; /* space for ID type code */
    } uic$r_arbitrary_id_form;
};

#endif	/*_UICDEF_H*/