Re: [Xen-devel] [PATCH RFC v1 04/13] libxc: allow arch_setup_meminit to populate HVM domain memory

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Thu, Jun 25, 2015 at 11:29:34AM +0100, Wei Liu wrote:
> On Mon, Jun 22, 2015 at 06:11:18PM +0200, Roger Pau Monne wrote:
> > Introduce a new arch_setup_meminit_hvm that's going to be used to populate
> > HVM domain memory. Rename arch_setup_meminit to arch_setup_meminit_hvm_pv
> 
> arch_setup_meminit_hvm/pv
> 
> > and introduce a stub arch_setup_meminit that will call the right meminit
> > function depending on the contains type.
> > 
> > Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> > Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
> > Cc: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> > Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
> > Cc: Wei Liu <wei.liu2@xxxxxxxxxx>
> > Cc: Jan Beulich <jbeulich@xxxxxxxx>
> > Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> > Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
> > Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> > Cc: Elena Ufimtseva <elena.ufimtseva@xxxxxxxxxx>
> > ---
> > I think that both arch_setup_meminit_hvm and arch_setup_meminit_pv could be
> > unified into a single meminit function. I have however not looked into it,
> > and just created arch_setup_meminit_hvm based on the code in
> > xc_hvm_populate_memory.
> > ---
> >  tools/libxc/include/xc_dom.h |   8 +
> >  tools/libxc/xc_dom_x86.c     | 365 
> > +++++++++++++++++++++++++++++++++++++++++--
> >  tools/libxl/libxl_dom.c      |   1 +
> >  3 files changed, 362 insertions(+), 12 deletions(-)
> > 
> > diff --git a/tools/libxc/include/xc_dom.h b/tools/libxc/include/xc_dom.h
> > index f7b5f0f..051a7de 100644
> > --- a/tools/libxc/include/xc_dom.h
> > +++ b/tools/libxc/include/xc_dom.h
> > @@ -186,6 +186,14 @@ struct xc_dom_image {
> >          XC_DOM_PV_CONTAINER,
> >          XC_DOM_HVM_CONTAINER,
> >      } container_type;
> > +
> > +    /* HVM specific fields. */
> > +    xen_pfn_t target_pages;
> > +    xen_pfn_t mmio_start;
> > +    xen_pfn_t mmio_size;
> > +    xen_pfn_t lowmem_end;
> > +    xen_pfn_t highmem_end;
> 
> These fields are in xc_hvm_build_args. I think you can  use that
> structure.

Never mind this. I see you delete that structure later.

> 
> > +    int vga_hole;
> 
> bool vga_hole.
> 
> Wei.

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