RE: [Qemu-devel] [PATCH 2/2] qemu-kvm/pci-assign: 64 bits bar emulation

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> -----Original Message-----
> From: Blue Swirl [mailto:blauwirbel@xxxxxxxxx]
> Sent: Saturday, November 03, 2012 6:44 PM
> To: Hao, Xudong
> Cc: qemu-devel@xxxxxxxxxx; avi@xxxxxxxxxx; kvm@xxxxxxxxxxxxxxx
> Subject: Re: [Qemu-devel] [PATCH 2/2] qemu-kvm/pci-assign: 64 bits bar
> emulation
> 
> On Fri, Nov 2, 2012 at 5:38 AM, Xudong Hao <xudong.hao@xxxxxxxxx> wrote:
> > Enable 64 bits bar emulation.
> >
> > Signed-off-by: Xudong Hao <xudong.hao@xxxxxxxxx>
> > ---
> >  hw/kvm/pci-assign.c |   18 ++++++++++++------
> >  1 files changed, 12 insertions(+), 6 deletions(-)
> >
> > diff --git a/hw/kvm/pci-assign.c b/hw/kvm/pci-assign.c
> > index 05b93d9..f1f8d1e 100644
> > --- a/hw/kvm/pci-assign.c
> > +++ b/hw/kvm/pci-assign.c
> > @@ -46,6 +46,7 @@
> >  #define IORESOURCE_IRQ      0x00000400
> >  #define IORESOURCE_DMA      0x00000800
> >  #define IORESOURCE_PREFETCH 0x00002000  /* No side effects */
> > +#define IORESOURCE_MEM_64   0x00100000
> >
> >  //#define DEVICE_ASSIGNMENT_DEBUG
> >
> > @@ -442,9 +443,13 @@ static int assigned_dev_register_regions(PCIRegion
> *io_regions,
> >
> >          /* handle memory io regions */
> >          if (cur_region->type & IORESOURCE_MEM) {
> > -            int t = cur_region->type & IORESOURCE_PREFETCH
> > -                ? PCI_BASE_ADDRESS_MEM_PREFETCH
> > -                : PCI_BASE_ADDRESS_SPACE_MEMORY;
> > +            int t = PCI_BASE_ADDRESS_SPACE_MEMORY;
> > +            if (cur_region->type & IORESOURCE_PREFETCH) {
> > +                t |= PCI_BASE_ADDRESS_MEM_PREFETCH;
> > +            }
> > +            if (cur_region->type & IORESOURCE_MEM_64) {
> > +                t |= PCI_BASE_ADDRESS_MEM_TYPE_64;
> > +            }
> >
> >              /* map physical memory */
> >              pci_dev->v_addrs[i].u.r_virtbase = mmap(NULL,
> cur_region->size,
> > @@ -468,8 +473,8 @@ static int assigned_dev_register_regions(PCIRegion
> *io_regions,
> >                  (cur_region->base_addr & 0xFFF);
> >
> >              if (cur_region->size & 0xFFF) {
> > -                error_report("PCI region %d at address 0x%" PRIx64 "
> has "
> > -                             "size 0x%" PRIx64 ", which is not a
> multiple of "
> > +                error_report("PCI region %d at address 0lx%" PRIx64 "
> has "
> > +                             "size 0lx%" PRIx64 ", which is not a
> multiple of "
> 
> Adding 'l' to '0x' prefix does not make sense.
> 

Thanks review it, changes to: 
+                error_report("PCI region %d at address 0x%016" PRIx64 " has "
+                             "size 0x%016" PRIx64 ", which is not a multiple of "
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