Apple SoCs such as the M1 come with an embedded NVMe controller that
is not attached to any PCIe bus. Additionally, it doesn't conform
to the NVMe specification and requires a bunch of changes to command
submission and IOMMU configuration to work.
Reviewed-by: NChristoph Hellwig <hch@lst.de>
Reviewed-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NSven Peter <sven@svenpeter.dev>