diff options
Diffstat (limited to 'usr.sbin/pciconf/pciconf.8')
| -rw-r--r-- | usr.sbin/pciconf/pciconf.8 | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/usr.sbin/pciconf/pciconf.8 b/usr.sbin/pciconf/pciconf.8 index 64d2f21..7492b5d 100644 --- a/usr.sbin/pciconf/pciconf.8 +++ b/usr.sbin/pciconf/pciconf.8 @@ -33,7 +33,7 @@ .Nd diagnostic utility for the PCI bus .Sh SYNOPSIS .Nm -.Fl l Op Fl cv +.Fl l Op Fl bcv .Nm .Fl a Ar selector .Nm @@ -112,6 +112,32 @@ device, which contains several (similar or independent) functions on one chip. .Pp If the +.Fl b +option is supplied, +.Nm +will list any base address registers +.Pq BARs +that are assigned resources for each device. +Each BAR will be enumerated via a line in the following format: +.Bd -literal + bar [10] = type Memory, range 32, base 0xda060000, size 131072, enabled +.Ed +.Pp +The first value after the +.Dq Li bar +prefix in the square brackets is the offset of the BAR in config space in +hexadecimal. +The type of a BAR is one of +.Dq Memory , +.Dq Prefetchable Memory , +or +.Dq I/O Port . +The range indicates the maximum address the BAR decodes. +The base and size indicate the start and length of the BAR's address window, +respectively. +Finally, the last flag indicates if the BAR is enabled or disabled. +.Pp +If the .Fl c option is supplied, .Nm |
