Date: Sat, 23 Nov 2002 17:50:03 -0800 (PST) From: Hiten Pandya <hiten@angelica.unixdaemons.com> To: freebsd-doc@FreeBSD.org Subject: Re: docs/43678 [PATCH] Updates for the pciconf(8) manual page Message-ID: <200211240150.gAO1o3po046692@freefall.freebsd.org>
next in thread | raw e-mail | index | archive | help
The following reply was made to PR docs/43678; it has been noted by GNATS. From: Hiten Pandya <hiten@angelica.unixdaemons.com> To: Tom Rhodes <trhodes@FreeBSD.org> Cc: freebsd-gnats-submit@FreeBSD.org Subject: Re: docs/43678 [PATCH] Updates for the pciconf(8) manual page Date: Sat, 23 Nov 2002 20:48:55 -0500 --5mCyUwZo2JvN/JJP Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Nov 14, 2002 at 11:36:41PM -0500, Tom Rhodes wrote the words in effect of: > Hiten, > > This isn't bad, but we have a slight problem :( > > This really isn't the a problem with pciconf(8) and non-root users, > its actually the fact that non-root users do not (and should not) > have write access to /dev/pci. Something like (without mdoc(7)): > > pciconf(8) is limited to users with write access to /dev/pci, usually > root. > > We get that taken care of, I see no reason why NOT to commit this > patch and close this PR. What do you think? > Tom, Thanks for your feedback, I apologize for taking such a long time in replying. Anyway, I am attaching a patch, to resolve this issue, and while I was at that, I added some more things. Please review it, and let me know. Cheers. -- Hiten (hiten@unixdaemons.com, hiten@uk.FreeBSD.org) http://www.unixdaemons.com/~hiten/ --5mCyUwZo2JvN/JJP Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename="pciconf.8.patch" Index: pciconf.8 =================================================================== RCS file: /home/ncvs/src/usr.sbin/pciconf/pciconf.8,v retrieving revision 1.22 diff -u -r1.22 pciconf.8 --- pciconf.8 2002/09/17 18:10:39 1.22 +++ pciconf.8 2002/11/24 01:30:28 @@ -108,11 +108,10 @@ device, which contains several (similar or independent) functions on one chip. .Pp -The -.Fl l -option is the only one available to non-root users. -All other invocations of +All invocations of .Nm +except for +.Fl l require a .Ar selector of the form @@ -163,6 +162,13 @@ .Fl h indicates a halfword (two-byte) operation. The default is to read or write a longword (four bytes). +.Pp +.Sh NOTE +.Nm +is limited to users with right access to +.Em /dev/pci , +usually +.Em root . .Sh ENVIRONMENT The PCI vendor/device information database is normally read from .Pa /usr/share/misc/pci_vendors . @@ -170,7 +176,8 @@ .Ev PCICONF_VENDOR_DATABASE . .Sh SEE ALSO .Xr ioctl 2 , -.\" .Xr pci 4 , +.Xr pci 4 , +.Xr devinfo 8 , .Xr kldload 8 .Sh HISTORY The @@ -200,15 +207,3 @@ .Nm , but not in the underlying .Xr ioctl 2 . -.Pp -It might be useful to give non-root users access to the -.Fl a -and -.Fl r -options. -But only root will be able to execute a -.Nm kldload -to provide the device with a driver KLD, and reading of configuration space -registers may cause a failure in badly designed -.Tn PCI -chips. --5mCyUwZo2JvN/JJP-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-doc" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200211240150.gAO1o3po046692>