Int 68/AH=01h/SF=2100h

APPC/PC - NETWORK DEVICE CONTROL - ATTACH LOGICAL UNIT

AH = 01h subfn 2100h
DS:DX -> control block (see #03670)

Return:
Control block updated

See Also: #03673 - #03674 - #03676 - AH=01h/SF=2000h - AH=01h/SF=2200h - AH=01h/SF=2B00h


Format of APPC/PC "Attach Logical Unit" control block:

Offset  Size    Description     (Table 03670)
00h 12 BYTEs   reserved
0Ch    WORD    2100h (verb "Attach Logical Unit")
0Eh  6 BYTEs   00h
14h    DWORD   (big-endian) return code (see #03668)
18h    WORD    70  offset to partner logical unit record
1Ah  8 BYTEs   (big-endian) logical unit name
22h  8 BYTEs   (big-endian) logical unit ID
2Ah    BYTE    logical unit local address
2Bh    BYTE    logical unit session limit
2Ch    DWORD   pointer to CREATE_TP_EXIT routine,
FFFFFFFFh = reject incoming ALLOCATEs
00000000h = queue ALLOCATEs
30h    DWORD   00h
34h    DWORD   pointer to SYSTEM_LOG_EXIT routine, FFFFFFFFh=don't log errors
38h    DWORD   00h
3Ch    BYTE    maximum TPs
3Dh    BYTE    queue depth
3Eh    DWORD   pointer to LU_LU_PASSWORD_EXIT routine, FFFFFFFFh=no pswd exit
42h    DWORD   00h
46h    WORD    total length of partner records
48h    var     array of partner logical unit records (see #03671)

See Also: #03673 - #03674 - #03676

Format of APPC/PC partner logical unit record: Offset Size Description (Table 03671) 00h WORD length of this partner logical unit record 02h WORD 42 offset to mode records 04h 8 BYTEs (big-endian) partner logical unit name 0Ch BYTE partner logical unit security capabilities

bit 7:
Already verified

bit 6:
Conversation level security

bit 5:
Session level security 0Dh BYTE partner logical unit session limit 0Eh WORD partner logical unit maximum MC_SEND_LL 10h 8 BYTEs (big-endian) partner logical unit DLC name 18h BYTE partner logical unit adapter number 19h 17 BYTEs (counted string) partner logical unit adapter address 2Ah WORD total length of mode records 2Ch 16N BYTEs array of mode records (see #03672)

Format of mode record: Offset Size Description (Table 03672) 00h WORD 16 length of this mode record 02h 8 BYTEs (big-endian) mode name 0Ah WORD RU_SIZE high bound 0Ch WORD RU_SIZE low bound 0Eh BYTE mode maximum negotiable session limit 0Fh BYTE pacing size for receive

Routines defined by LU_LU_PASSWORD_EXIT, CREATE_TP_EXIT, and SYSTEM_LOG_EXIT pointers are called by pushing the DWORD pointer to the verb on the stack and then performing a FAR call.

Format of ACCESS_LU_LU_PW verb: Offset Size Description (Table 03673) 00h 12 BYTEs reserved 0Ch WORD 1900h (verb "ACCESS_LU_LU_PW") 0Eh 8 BYTEs (big-endian) logical unit ID 16h 8 BYTEs (big-endian) logical unit name 1Eh 8 BYTEs (big-endian) partner logical unit name 26h 17 BYTEs (counted string) partner fully qualified logical unit name 37h BYTE password available (0=no, 1=yes) 38h 8 BYTEs password

See Also: #03670 - #03674 - #03676


Format of CREATE_TP verb:

Offset  Size    Description     (Table 03674)
00h 12 BYTEs   reserved
0Ch    WORD    2300h (verb "CREATE_TP")
0Eh  6 BYTEs   00h
14h    DWORD   (big-endian) sense code (see #03675)
18h  8 BYTEs   (big-endian) TP ID
20h  8 BYTEs   (big-endian) logical unit ID
28h    DWORD   (big-endian) conversation ID
2Ch    BYTE    0 basic conversation, 1 mapped conversation
2Dh    BYTE    0 no sync level, 1 confirm
2Eh    BYTE    reserved
2Fh 65 BYTEs   (counted string) transaction program name
70h  6 BYTEs   00h
76h    WORD    length of ERROR_LOG_DATA to return
78h    DWORD   pointer to ERROR_LOG_DATA buffer
7Ch  8 BYTEs   (big-endian) partner logical unit name
84h 18 BYTEs   (counted string) partner fully qualified logical unit name
96h  8 BYTEs   (big-endian) mode name
9Eh 12 BYTEs   00h
AAh 11 BYTEs   (counted string) password
B5h 11 BYTEs   (counted string) user ID
C0h    BYTE    0 verification should be performed
1 already verified

See Also: #03673 - #03676

(Table 03675) Values for APPC/PC sense code: 00000000h Ok 080F6051h SECURITY_NOT_VALID 084B6031h TP_NOT_AVAIL_RETRY 084C0000h TP_NOT_AVAIL_NO_RETRY 10086021h TP_NAME_NOT_RECOGNIZED 10086034h CONVERSATION_TYPE_MISMATCH 10086041h SYNC_LEVEL_NOT_SUPPORTED

Format of SYSLOG verb: Offset Size Description (Table 03676) 00h 12 BYTEs reserved 0Ch WORD 2600h (verb "SYSLOG") 0Eh 10 BYTEs 00h 18h WORD (big-endian) type 1Ah DWORD (big-endian) subtype 1Eh DWORD pointer to ADDITIONAL_INFO 22h DWORD (big-endian) conversation ID 26h 8 BYTEs (big-endian) TP ID 2Eh 8 BYTEs (big-endian) physical unit or logical unit name 36h WORD length of data 38h DWORD pointer to data 3Ch BYTE 00h

See Also: #03673 - #03674

Category: Network - Int 68h - A

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