User`s guide

F: BSC Detailed Command and Response Formats
DC 900-1340I 247
Notes:
1. Zero (0) for Big Endian clients (such as SunOS)
0x4000 for Little Endian clients (such as DEC)
2. DLI return status (See Appendix D)
3. Node number that will be used on client driver read requests. See the appropriate user’s
guide for your operating system for a description of read nodes.
4. Session Access Mode (see Section 2.2 on page 35 for BSC 3270 or Section 2.4 on page 42
for BSC 3780)
5. This returned Session ID must be provided on all subsequent writes for this link/node (see
Note 3.)
6. Protocol type: 4 = BSC 3270 or 5 = BSC 3780
Table F– 2: DLI_ICP_CMD_ATTACH Command and Response
Header Field
Command Value
(Write)
Response Value
(Read)
ICP_header
fill1 N/A N/A
fill2 N/A N/A
iICPSize 16 16
usICPCommand
DLI_ICP_CMD_ATTACH DLI_ICP_CMD_ATTACH
iICPStatus See Note 1. See Note 2.
usICPParms[0] See Note 3. See Note 3.
usICPParms[1] 0 N/A
usICPParms[2] 0 N/A
Prot_header
usProtCommand
DLI_ICP_CMD_ATTACH DLI_ICP_CMD_ATTACH
iProtModifier See Note 4. See Note 2.
usProtLinkID Link Number Link Number
usProtCircuitID 0 N/A
usProtSessionID 0 See Note 5.
fill3 N/A N/A
usProtXParms[0] See Note 6. N/A
fill4 0 N/A