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SEMI E5-1104 © SEMI 1982, 2004 244 Stream,Function Name (Mnemonic) Direction S17,F12 Collection Event Unlink Acknowledge (CEUA) S,H<-E Description Indicates success or failure of a requested Unlink . Structure L,4 1. …

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SEMI E5-1104 © SEMI 1982, 2004 243
Stream,Function Name (Mnemonic) Direction
S17,F9 Collection Event Link Request (CELR) M,H->E,reply
Description
Establish a Collection Event Report definition with respect to a specific Event Source.
Structure
L,4
1. <DATAID>
2. <EVNTSRC>
3. <CEID>
4. L,n (n is the number of Reports to be linked)
1. <RPTID
1
>
2. <RPTID
2
>
.
.
n. <RPTID
n
>
Exception
Stream,Function Name (Mnemonic) Direction
S17,F10 Collection Event Link Acknowledge (CELA) S,H<-E
Description
Indicate the success or failure of a Collection Event Link Request.
Structure
L,3
1. <EVNTSRC>
2. <CEID>
3. <ERRCODE>
Exception
Item 3 should be set to zero length to indicate success.
Stream,Function Name (Mnemonic) Direction
S17,F11 Collection Event Unlink Request (CEUR) S,H->E,reply
Description
Request to unlink a specific Data Report from a Collection Event Report.
Structure
L,3
1. <EVNTSRC>
2. <CEID>
3. <RPTID>
Exception
Item one can be zero length, in which case the default event source is assumed.
SEMI E5-1104 © SEMI 1982, 2004 244
Stream,Function Name (Mnemonic) Direction
S17,F12 Collection Event Unlink Acknowledge (CEUA) S,H<-E
Description
Indicates success or failure of a requested Unlink.
Structure
L,4
1. <EVNTSRC>
2. <CEID>
3. <RPTID>
4. <ERRCODE>
Exception
Item one can be zero length to indicate the default event source. Item 4 is set to zero length if the primary request was
successful.
Stream,Function Name (Mnemonic) Direction
S17,F13 Trace Reset Request (TRR) S,H->E,reply
Description
The Host requests the equipment to clear the data and reset the specified trace reports. If n = 0, then all defined Trace Objects
will be reset.
Structure
L,n
1. <TRID
1
>
2. <TRID
2
>
.
.
n. <TRID
n
>
Exception
None
Stream,Function Name (Mnemonic) Direction
S17,F14 Trace Report Reset Acknowledge (TRRA) S,H<-E
Description
This list in item 1 contains the identifiers of all the Trace Objects which were reset. If all Trace Objects are successfully reset,
then ACKA shall be set to TRUE.
Structure
L,2
1. <ACKA>
2. L,m
1. L,3
1. <TRID
1
>
2. <ERRCODE
1
>
3. <ERRTEXT
1
>
.
.
m. L,3
1. <TRID
m
>
2. <ERRCODE
m
>
3. <ERRTEXT
m
>
Exception
If ACKA is TRUE, then no errors were encountered, meaning all report requests were completed successfully and a zero-length
list (m = 0) shall be sent.
If some reports could not be reset, then their TRIDs shall be given in a space separated list in ERRTEXT.
SEMI E5-1104 © SEMI 1982, 2004 245
10.22 Stream 18 Subsystem Control and Data — Messages exchanged between component subsystems and higher
level controllers. Compared to similar messages exchanged between equipment and host, subsystem messages are
less complex.
Stream,Function Name (Mnemonic) Direction
S18,F0 Abort Transaction (S18F0) S,H<->E
Description
Used in lieu of an expected reply to abort a transaction. Function 0 is defined in every stream and has the same meaning in every
stream.
Structure
Header only
Exception
Stream,Function Name (Mnemonic) Direction
S18,F1 Read Attribute Request (RAR) S,H->E,reply
Description
This message requests the current values of specified attributes of the subsystem component indicated in TARGETID.
Structure
L,2
1. <TARGETID>
2. L,n n = # attribute identifiers
1. <ATTRID
1
>
.
.
n. <ATTRID
n
>
Exception
If n = 0, then all attributes of the target component are requested.
Stream,Function Name (Mnemonic) Direction
S18,F2 Read Attribute Data (RAD) S,H<-E
Description
This message returns the current values of requested attributes and the current status of the requested component indicated in
TARGETID. Attributes are returned in the order requested.
Structure
L,3
1. <TARGETID>
2. <SSACK>
3. L,n
1. <ATTRDATA
1
>
.
.
n. <ATTRDATA
n
>
Exception
Both n = 0 and s = 0 if the target component is unknown.