Messages in this thread |  | | | Date | Sat, 18 Jul 2009 13:48:17 +0200 | | From | Pavel Machek <> | | Subject | Re: [PATCH 2/2] vga: drops a documentation regarding the VGA arbiter |
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> +I. Details and Theory of Operation > +================================== > + > +I.1 vgaarb > +---------- > + > +The vgaarb is a module of the Linux Kernel. When it is initially loaded, it > +scans all PCI devices and add the VGA ones inside the arbitration. The arbiter
and adds?
> +If the device is hot-{un,}plugged, there is a hook inside the module to notify > +them being added/removed in the system and automatically added/removed in > +the arbiter.
I don't see who's 'them' here.
> +I.2 libpciaccess > +---------------- > + > +To use the vga arbiter char device it was implemented a serie of functions
series?
> +inside the pciaccess library. Two fields were added to struct pci_device for > +this be possible: > + > + /* the type of resource decoded by the device */ > + int vgaarb_rsrc; > + /* the file descriptor (/dev/vga_arbiter) */ > + int vgaarb_fd; > + > + > +and the functions: > +
What functions?
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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