Re: [PATCH v1 23/26] coco/tdx-host: Parse ACPI KEYP table to init IDE for PCI host bridges

Jonathan Cameron
2025-12-19T12:02:48Z

On Mon, 17 Nov 2025 10:23:07 +0800
Xu Yilun <yilun.xu@linux.intel.com> wrote:

> Parse the KEYP Key Configuration Units (KCU), to decide the max IDE
> streams supported for each host bridge.
>
> The KEYP table points to a number of KCU structures that each associates
> with a list of root ports (RP) via segment, bus, and devfn. Sanity check
> the KEYP table, ensure all RPs listed for each KCU are included in one
> host bridge. Then extact the max IDE streams supported to
> pci_host_bridge via pci_ide_set_nr_streams().
>
> Co-developed-by: Dave Jiang <dave.jiang@intel.com>
> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
> Signed-off-by: Xu Yilun <yilun.xu@linux.intel.com>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
LGTM
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>