xen-pciback: simplify determination of 64-bit memory resource
Other than for raw BAR values, flags are properly separated in the internal representation. Signed-off-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com>
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@ -222,10 +222,7 @@ static void *bar_init(struct pci_dev *dev, int offset)
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pos = PCI_ROM_RESOURCE;
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else {
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pos = (offset - PCI_BASE_ADDRESS_0) / 4;
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if (pos && ((res[pos - 1].flags & (PCI_BASE_ADDRESS_SPACE |
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PCI_BASE_ADDRESS_MEM_TYPE_MASK)) ==
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(PCI_BASE_ADDRESS_SPACE_MEMORY |
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PCI_BASE_ADDRESS_MEM_TYPE_64))) {
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if (pos && (res[pos - 1].flags & IORESOURCE_MEM_64)) {
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bar->val = res[pos - 1].start >> 32;
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bar->len_val = -resource_size(&res[pos - 1]) >> 32;
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return bar;
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