On Sun, Sep 09, 2018 at 11:42:01PM +0200, Lukas Wunner wrote:
> +struct tb_drom_entry_pci {
> + /* BYTES 0-1 */
> + struct tb_drom_entry_header header;
> + /* BYTE 2 */
> + u8 unknown:5;
> + u8 slot:3;
> + /* BYTES 3-10 are only present on PCIe upstream ports */
> +} __packe
The port numbers of PCIe adapters on a CIO switch and the slot numbers
of their corresponding PCI devices don't necessarily match up in
ascending order.
E.g. Light Ridge in host mode (MacBookPro9,1) mixes them up like this:
switch port 7 == pci slot 4 (PCIe downstream port)
switch port 8 == pci
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