D36237.diff
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	diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c
	--- a/sys/dev/pci/pci.c
	+++ b/sys/dev/pci/pci.c
	@@ -3170,6 +3170,21 @@
	return (NULL);
	}

	+struct pci_map *
	+pci_first_bar(device_t dev)
	+{
	+ struct pci_devinfo *dinfo;
	+
	+ dinfo = device_get_ivars(dev);
	+ return (STAILQ_FIRST(&dinfo->cfg.maps));
	+}
	+
	+struct pci_map *
	+pci_next_bar(struct pci_map *pm)
	+{
	+ return (STAILQ_NEXT(pm, pm_link));
	+}
	+
	int
	pci_bar_enabled(device_t dev, struct pci_map *pm)
	{
	diff --git a/sys/dev/pci/pcivar.h b/sys/dev/pci/pcivar.h
	--- a/sys/dev/pci/pcivar.h
	+++ b/sys/dev/pci/pcivar.h
	@@ -717,6 +717,8 @@
	extern uint32_t pci_generation;

	struct pci_map *pci_find_bar(device_t dev, int reg);
	+struct pci_map *pci_first_bar(device_t dev);
	+struct pci_map pci_next_bar(struct pci_map pm);
	int pci_bar_enabled(device_t dev, struct pci_map *pm);
	struct pcicfg_vpd *pci_fetch_vpd_list(device_t dev);