Teledyne-lecroy STX M6-1 SAS_SATA Protocol Analyzer User Manual Manual de usuario Pagina 329

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 Sierra M64 SAS/SATA Protocol Analyzer User Manual 327
Scenario Events
LeCroy Corporation
DWORD Matcher
DWORD Matcher is a DWORD pattern matcher that presents match and mask fields and a
KCode Mask field. KCodes are control characters that are always used in the first byte of
a fourbyte primitive. Of the KCode masks listed in the menu, DDDD is used for data
bytes, and KDDD is used for all primitives.
When you create a DWORD match, keep the following in mind:
The pattern can be inside or outside of frames (it does not matter if the pattern
is inside a frame or not).
Because the pattern can be inside or outside of frames, there is no offset.
You can make userdefined primitives. (This is the reason this feature was cre
ated.)
You can use any K/D pattern.
SAS Data Pattern
When you create a SAS data pattern, keep the following in mind:
The pattern must be defined inside a frame that starts with a SOF or SOAF.
The pattern must be data only (no Kcodes/primitives).
The pattern must be defined at a specific offset in the frame.
The pattern and mask must be specified in the same format as specified in the
SAS standard:
0x12345678 (hex)
where “1” is the first digit on the cable and is the MSB as given in the SAS Stan
dard.
For example, for an SMP Request:
Pattern: 0x40000000
Mask: 0xFF000000
Offset: 0
SOF Type: SOF
SATA Data Pattern
When you create a SATA data pattern, keep the following in mind:
The pattern must be defined inside a frame that starts with a SATA_SOF.
The pattern must be data only (no Kcodes/primitives).
The pattern must be defined at a specific offset in the frame.
The pattern and mask must be specified in the same format as specified in the
SATA
Standard.
For example, for Register H > D FIS:
Pattern: 0x00000027
Mask: 0x000000FF
Offset: 0
SOF Type: SATA_SOF
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