[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 1 of 6] Add an ACPI device exposing a package called ADDR, evaluating to two
Keir, Do you want me to re-send that patch or will you fix it up? Paul > -----Original Message----- > From: Keir Fraser [mailto:keir.xen@xxxxxxxxx] > Sent: 29 November 2011 09:20 > To: Ross Philipson; Paul Durrant; xen-devel@xxxxxxxxxxxxxxxxxxx > Subject: Re: [Xen-devel] [PATCH 1 of 6] Add an ACPI device exposing > a package called ADDR, evaluating to two > > On 29/11/2011 16:29, "Ross Philipson" <Ross.Philipson@xxxxxxxxxx> > wrote: > > >> I have no problem choosing a different _HID. I just don't have a > good > >> reference for what name is not going to clash with something > else. > >> Looks like ACPI0001 was a bad guess. Any better suggestions? What > are > >> the 'generic PNP device IDs'? > >> > >> Paul > > > > Well I actually brought it up as a discussion point. I have the > same > > sort of issue - I have a generic device for a virtualized > environment. > > I don't really want it to be recognized as anything specific. I > guess I see three options: > > > > - Use an unassigned APCIXXXX string. I believe the _HID string > values > > of the form "ACPIXXXX" are defined by the ACPI specs themselves so > > this may not work in the long run. > > - Use one of the predefined generic container EisaId PNP values. > By > > that I meant using EisaId(PNP0A05) or EisaId(PNP0A06). Looking at > the > > Linux generic container driver, it doesn't do very much with these > > devices so that might be OK. > > This option sounds reasonable. We have freedom to change it in > future if it turns out to be a bad choice, not that I can see why it > would be. > > -- Keir > > > - Acquire a vendor specific EisaId range for Xen (e.g. > > EisaId(XENABCD)). Then we could carve up the product number part > of the ID as we see fit. > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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