Date: Wed, 7 Feb 2007 12:12:06 -0500 From: John Baldwin <jhb@freebsd.org> To: freebsd-current@freebsd.org Cc: Andrew Gallatin <gallatin@cs.duke.edu> Subject: Re: restoring PCI config space Message-ID: <200702071212.06578.jhb@freebsd.org> In-Reply-To: <45C0CCFE.5090407@samsco.org> References: <17855.30388.764471.322562@grasshopper.cs.duke.edu> <17855.31464.891778.783293@grasshopper.cs.duke.edu> <45C0CCFE.5090407@samsco.org>
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On Wednesday 31 January 2007 12:08, Scott Long wrote: > Andrew Gallatin wrote: > > Scott Long writes: > > > I need to do the same thing, and I concluded that pci_cfg_restore needs > > > to be exported out via a DEVMETHOD. It might also be useful to export > > > > Hurray! Do you plan to do this soon? > > > > > a pci_cfg_save function. > > > > Doesn't the config space get saved in pci_add_child? > > > > Drew > > Wouldn't you want to preserve driver-local changes that are made to the > config space? Things like the busmaster enable bit comes to mind. If you use 'pci_enable_busmaster()' then that updates the copy in the dinfo. -- John Baldwin
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