[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [Query] How does Xen X86 does pci enumeration
On Wed, Jul 16, 2014 at 05:25:07PM +0530, Xenbegn developer wrote: > On 7/15/14, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote: > > On Tue, Jul 15, 2014 at 11:54:34AM +0530, Xenbegn developer wrote: > >> Hi, > >> > >> Small beginner query. Where in Xen X86 code pci ep enumeration is done? > >> I believe it this should be the flow of events > >> a) from ACPI enumerate all the PCI controllers > >> b) On each Controller start enumerating the pci devices. > > > > No. You can also query the PCI via the configuration registers. > > > > Look in the 'pci.c' files. > >> > >> I started from _start_xen in arch/x86/setup.c but couldnt find the top > >> level function. > >> Can anyone please provide pointer. > >> > One supplement question, does Xen do PCI devices enumeration or Dom0 does it ? Both. > > > >> Thanks > > > >> _______________________________________________ > >> Xen-devel mailing list > >> Xen-devel@xxxxxxxxxxxxx > >> http://lists.xen.org/xen-devel > > > > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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