D56994.diff
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	diff --git a/sys/dev/nvme/nvme_sim.c b/sys/dev/nvme/nvme_sim.c
	--- a/sys/dev/nvme/nvme_sim.c
	+++ b/sys/dev/nvme/nvme_sim.c
	@@ -312,13 +312,20 @@
	static int
	nvme_sim_probe(device_t dev)
	{
	+ device_t nvmedev;
	+
	if (nvme_use_nvd)
	return (ENXIO);
	/*
	* Only do storage devices with CAM. NVMHCI 1.0 interfaces are the only
	- * ones that have namespaces with LBA ranges on them.
	+ * ones that have namespaces with LBA ranges on them. But to ask the
	+ * question, we need to ask the nvme device iif it's attached to the PCI
	+ * bus. Otherwise, we assume it's storage (ahci attached nvme devices are,
	+ * and any future weird bus topology devices will be).
	*/
	- if (pci_get_progif(device_get_parent(dev)) !=
	+ nvmedev = device_get_parent(dev);
	+ if (strcmp(device_get_name(device_get_parent(nvmedev)), "pci") == 0 &&
	+ pci_get_progif(nvmedev) !=
	PCIP_STORAGE_NVM_ENTERPRISE_NVMHCI_1_0)
	return (ENXIO);