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Document the format of extended capabilities in the '-c' output.

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jhb 2010-09-09 18:51:20 +00:00
parent 4d6392f9c4
commit f2b9e3d89d
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14
usr.sbin/pciconf/pciconf.8
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@ -142,7 +142,7 @@ If the
option is supplied,
.Nm
will list any capabilities supported by each device.
Each capability will be enumerated via a line in the following format:
Each capability is enumerated via a line in the following format:
.Bd -literal
cap 10[40] = PCI-Express 1 root port
.Ed
@ -154,6 +154,18 @@ The second value in the square brackets is the offset of the capability
in config space in hexadecimal.
The format of the text after the equals sign is capability-specific.
.Pp
Each extended capability is enumerated via a line in a similar format:
.Bd -literal
ecap 0002[100] = VC 1 max VC0
.Ed
.Pp
The first value after the
.Dq Li ecap
prefix is the extended capability ID in hexadecimal.
The second value in the square brackets is the offset of the extended
capability in config space in hexadecimal.
The format of the text after the equals sign is capability-specific.
.Pp
If the
.Fl v
option is supplied,