x86/PCI: claim SR-IOV BARs in pcibios_allocate_resource (575939cf) · Commits · 戴 / test

arch/x86/pci/i386.c

+15 −2

Original line number	Diff line number	Diff line
		@@ -146,16 +146,29 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
		}
		}

		struct pci_check_idx_range {
		int start;
		int end;
		};

		static void __init pcibios_allocate_resources(int pass)
		{
		struct pci_dev *dev = NULL;
		int idx, disabled;
		int idx, disabled, i;
		u16 command;
		struct resource *r;

		struct pci_check_idx_range idx_range[] = {
		{ PCI_STD_RESOURCES, PCI_STD_RESOURCE_END },
		#ifdef CONFIG_PCI_IOV
		{ PCI_IOV_RESOURCES, PCI_IOV_RESOURCE_END },
		#endif
		};

		for_each_pci_dev(dev) {
		pci_read_config_word(dev, PCI_COMMAND, &command);
		for (idx = 0; idx < PCI_ROM_RESOURCE; idx++) {
		for (i = 0; i < ARRAY_SIZE(idx_range); i++)
		for (idx = idx_range[i].start; idx <= idx_range[i].end; idx++) {
		r = &dev->resource[idx];
		if (r->parent) /* Already allocated */
		continue;