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

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This commit is contained in:
John Baldwin 2010-09-09 18:51:20 +00:00
parent 10e0075ddb
commit b4fb1ba027
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=212372
1 changed files with 13 additions and 1 deletions
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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,