+
+#ifdef CONFIG_PCI_IOV
+
+/*
+ * For Intel 82576 SR-IOV NIC, if BIOS doesn't allocate resources for the
+ * SR-IOV BARs, zero the Flash BAR and program the SR-IOV BARs to use the
+ * old Flash Memory Space.
+ */
+static void __devinit quirk_i82576_sriov(struct pci_dev *dev)
+{
+ int pos, flags;
+ u32 bar, start, size;
+
+ if (PAGE_SIZE > 0x10000)
+ return;
+
+ flags = pci_resource_flags(dev, 0);
+ if ((flags & PCI_BASE_ADDRESS_SPACE) !=
+ PCI_BASE_ADDRESS_SPACE_MEMORY ||
+ (flags & PCI_BASE_ADDRESS_MEM_TYPE_MASK) !=
+ PCI_BASE_ADDRESS_MEM_TYPE_32)
+ return;
+
+ pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV);
+ if (!pos)
+ return;
+
+ pci_read_config_dword(dev, pos + PCI_SRIOV_BAR, &bar);
+ if (bar & PCI_BASE_ADDRESS_MEM_MASK)
+ return;
+
+ start = pci_resource_start(dev, 1);
+ size = pci_resource_len(dev, 1);
+ if (!start || size != 0x400000 || start & (size - 1))
+ return;
+
+ pci_resource_flags(dev, 1) = 0;
+ pci_write_config_dword(dev, PCI_BASE_ADDRESS_1, 0);
+ pci_write_config_dword(dev, pos + PCI_SRIOV_BAR, start);
+ pci_write_config_dword(dev, pos + PCI_SRIOV_BAR + 12, start + size / 2);
+
+ dev_info(&dev->dev, "use Flash Memory Space for SR-IOV BARs\n");
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x10c9, quirk_i82576_sriov);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x10e6, quirk_i82576_sriov);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x10e7, quirk_i82576_sriov);
+
+#endif /* CONFIG_PCI_IOV */
+
+static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f,
+ struct pci_fixup *end)
+{
+ while (f < end) {
+ if ((f->vendor == dev->vendor || f->vendor == (u16) PCI_ANY_ID) &&
+ (f->device == dev->device || f->device == (u16) PCI_ANY_ID)) {
+ dev_dbg(&dev->dev, "calling %pF\n", f->hook);
+ f->hook(dev);
+ }
+ f++;
+ }
+}
+
+extern struct pci_fixup __start_pci_fixups_early[];
+extern struct pci_fixup __end_pci_fixups_early[];
+extern struct pci_fixup __start_pci_fixups_header[];
+extern struct pci_fixup __end_pci_fixups_header[];
+extern struct pci_fixup __start_pci_fixups_final[];
+extern struct pci_fixup __end_pci_fixups_final[];
+extern struct pci_fixup __start_pci_fixups_enable[];
+extern struct pci_fixup __end_pci_fixups_enable[];
+extern struct pci_fixup __start_pci_fixups_resume[];
+extern struct pci_fixup __end_pci_fixups_resume[];
+extern struct pci_fixup __start_pci_fixups_resume_early[];
+extern struct pci_fixup __end_pci_fixups_resume_early[];
+extern struct pci_fixup __start_pci_fixups_suspend[];
+extern struct pci_fixup __end_pci_fixups_suspend[];
+
+
+void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev)
+{
+ struct pci_fixup *start, *end;
+
+ switch(pass) {
+ case pci_fixup_early:
+ start = __start_pci_fixups_early;
+ end = __end_pci_fixups_early;
+ break;
+
+ case pci_fixup_header:
+ start = __start_pci_fixups_header;
+ end = __end_pci_fixups_header;
+ break;
+
+ case pci_fixup_final:
+ start = __start_pci_fixups_final;
+ end = __end_pci_fixups_final;
+ break;
+
+ case pci_fixup_enable:
+ start = __start_pci_fixups_enable;
+ end = __end_pci_fixups_enable;
+ break;
+
+ case pci_fixup_resume:
+ start = __start_pci_fixups_resume;
+ end = __end_pci_fixups_resume;
+ break;
+
+ case pci_fixup_resume_early:
+ start = __start_pci_fixups_resume_early;
+ end = __end_pci_fixups_resume_early;
+ break;
+
+ case pci_fixup_suspend:
+ start = __start_pci_fixups_suspend;
+ end = __end_pci_fixups_suspend;
+ break;
+
+ default:
+ /* stupid compiler warning, you would think with an enum... */
+ return;
+ }
+ pci_do_fixups(dev, start, end);
+}
+#else
+void pci_fixup_device(enum pci_fixup_pass pass, struct pci_dev *dev) {}
+#endif
+EXPORT_SYMBOL(pci_fixup_device);