REQBLOCK REQBLOCK defines data and information for a request for file processing by the DMTMFT line driver.
The first four fields of this DSECT form a GIVE request table, which is described in "GIVEE: A GIVE Element", in this section.
The next seven fields of this DSECT for a GIVE request tuffer in the format of a File
Request Element, which is described in "Appendix C: RSCS Request Elements."
---------------------------------------------------------, 0 RDEVSYNC 4 RDEVREQN 8 RDEVREQ C RDEVRESP 10 RDEVRLEN RDEVFUN I///RDEVRESV///I RDEVSOPT 14 RDEVTAG 18 RDEVFIOA 1C RDEVLINK 20 24 RDEVNAME f
28 RDEVSTYL 2C RDEVFLAGS Hexadecimal Field
Displacement Name Field Description, Contents, Meaning o
4
8
C 10 11
12
13
14
18
1C
24
27 2C Hexadecimal Locations 0 !hfQygh X RDEVSYNC--DC--P'O'--- - Synchronous lock RDEVREQN DC CL4'AXS' File access task RDEVREQ DC A(O) Request buffer address RDEVRESP DC AL1(0),AL3(0) Response buffer address Hexadecimal Locations 0 !h!QygA j1 in-the-Pormat-of-i-Pile RDEVRLEi--DC- 1L1(O,--- Request length RDEVFUN DC AL1(0) Request function RDEVRESV DC lL1(0) Reserved for IBM use RDEVSOPT DC lLl(O) Subordinate option byte RDEVTIG DC A(O) Tag address RDEVFIOA DC A(O) File I/O area address RDEVLINK DC CL8' , Link name RDEVNAME DC C' Device name RDEVSTYL DC C' Device style RDEVFLAGS DC lL1(O,O,O,O) Device flags
258 IBM VMj370 Data Areas and Centrol Block Logic

ROUTE o ROUTDEST 8 ROUTHEXT Hexadecimal Field
Displacellent Nalle Field Description, Contents, !eaning ------------ 0 ROUTDEST DS CLa Final destination ID
a ROUTNEXT DS CLa LINKID for indirect routing ROUTSIZE EQU *-ROUTDEST Length of a routing tatle entry
Section 3. RSCS Iata Areas and Control Blocks 259