VRRBLCK VRRBLOK is linked to the VDEVBLOK and contains informaticn about minidisk usage. The VDEVRRB field of the VDEVBLOK Foints to VRRBLOK. Hexadecimal tisplacement ------------ 0 2
2
3
4
8
C r--------------------------------------------------------, o VRRAtD I V*1 I/V*2/ I VRBCPEX I -----------1 8 VRRUSER 1//////////VRRRSV2//////////1 Field
Name VRRADD VRRSTAT VRRRSV1 VRRCPEX VRRUSER VRRRSV2 DS DS DS DS DS iH 1X 1X 1F
1F
reserved DS 1F
Field Descripticn, Contents, !eaning Reserved virtual device address V*1 Virtual RESERVE/RELEASE status flags
Minidisk is reserved V*2 Reserved for IBM use
Queued request for the minidisk V!ELCK of the user who has the minidisk
Reserved for IBM use VRRSIZE EQU (*-VRRBLOK)/8 Size in doutlewords (X'02') Secticn 1. CP Bata Areas and Control Blocks 131
VSPLCTL VSPLCTL is linked to the VDEVBLOK and contains information for opened spool files. The VtEVSPL field of the VDEVBLOK points to VSPLCTL. o VSPCAW VSFDPAGE 8 VSPVPAGE VSFRECNO 10 VSPNEXT VSPIDACT VSFSFBLK 18 VSPCCW 20 VSPBUFBK VSFMISC 28 V*1 I VSPIDAL VSFIDAW2 Hexadecimal Field
Displacement Name
o
4
8
C 10 12
14
18 20 24
28
29
2C VSPCAW DS VSPDPAGE DS VSPVPAGE DS VSPRECNO DS VSPNEXT DS VSPIDACT DS VSPSFBLK DS VSPCCW DS VSPBUFBK DS VSPMISC DS VSPIDASW DS VSPIDAL DS VSPIDAW2 DS VSPSIZE EQU VSPBUFSZ EQU 1F
1F
1F
1F
1H
1H
1F
1D
1F
1F 1X 3X 1F
Field Description, Contents, Meaning Virtual address of user CCW tASt locaticn (DCHR) of current page buffer Virtual address of page buffer Reccrds remaining in current buffer Displacement in buffer of next record start
Data byte count of data address ccw
Pointer to SFBLCK for file
Current user CCW Address of a buffer area Use varies according to caller V*1 Indirect data address work flag
Address of indirect data list
Contains IDAW2 (*-VSPLCTL) 18 (200) 18 Size in doutlewords (X'06') Size in doutlewords (X'19') 132 IBM VM/310 Data Areas and Control Block Logic
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