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author | imp <imp@FreeBSD.org> | 2005-09-29 16:45:53 +0000 |
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committer | imp <imp@FreeBSD.org> | 2005-09-29 16:45:53 +0000 |
commit | 321ce668dc10026ed69136e9ff7fcb19916b754c (patch) | |
tree | 75ae06eac4c63ce37020867c5aa7f6cc16b4cc64 /share/man/man4/pccard.4 | |
parent | dc422f3b7040f86462067426ff05c22309e74c98 (diff) | |
download | FreeBSD-src-321ce668dc10026ed69136e9ff7fcb19916b754c.zip FreeBSD-src-321ce668dc10026ed69136e9ff7fcb19916b754c.tar.gz |
Dcoument typical debugging options, plus the new CIS device for pccard.
Diffstat (limited to 'share/man/man4/pccard.4')
-rw-r--r-- | share/man/man4/pccard.4 | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/share/man/man4/pccard.4 b/share/man/man4/pccard.4 index 01c242e..1fb6ce0 100644 --- a/share/man/man4/pccard.4 +++ b/share/man/man4/pccard.4 @@ -39,9 +39,40 @@ driver implements the PC Card bus. The .Nm driver supports all PC Card bridges in the system. +.Sh TUNABLES +The driver supports the following tunable parameters, which may be +added to +.Pa /boot/loader.conf +or set via the +.Xr sysctl 8 +command: +.Bl -tag -width ".Cm hw.pccard.cis_debug" -compact +.It Cm hw.pccard.debug +Non-zero values cause more verbose information to be printed when a +16-bit PC Card is inserted or removed. +.It Cm hw.pccard.cis_debug +Non-zero value causes the CIS parsing of the 16-bit PC Card to be much +more verbose and include a complete CIS dump. +.El +.Sh FILES +.Bl -tag -width ".Pa /dev/pccard0.cis" -compact +.It Pa /dev/pccard0.cis +This exclusive-use device will report all the CIS chains present in a +PC Card, if a 16-bit PC Card is inserted in the slot. +Only one user at a time may access the CIS. +The CIS is presented as the relevant byte stream from the PC Card. +For CIS tuples in Attribute Memory (the default), only the even +locations are presented (the ODD locations are undefined per the +standard). +For CIS tuples in Common Memory, every byte is presented to the user. +Decoding of the CIS tuples is done via a userland program. +All tuples are presented to the user. +.El .Sh SEE ALSO .Xr cardbus 4 , .\" .Xr mecia 4 , -.Xr pccbb 4 , -.Xr pcic 4 +.Xr pccbb 4 .\" .Xr tcic 4 +.Rs +.%T "PC Card Standard, Release 8" +.Re |