linux/drivers/cxl
Dan Williams 3b94ce7b7b cxl/acpi: Enumerate host bridge root ports
While the resources enumerated by the CEDT.CFMWS identify a cxl_port
with host bridges as downstream ports, host bridges themselves are
upstream ports that decode to downstream ports represented by PCIe Root
Ports. Walk the PCIe Root Ports connected to a CXL Host Bridge,
identified by the ACPI0016 _HID, and add each one as a cxl_dport of the
host bridge cxl_port.

For now, component registers are not enumerated, only the first order
uport / dport relationships.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/162325451145.2293126.10149150938788969381.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2021-06-09 18:02:39 -07:00
..
acpi.c cxl/acpi: Enumerate host bridge root ports 2021-06-09 18:02:39 -07:00
core.c cxl/acpi: Add downstream port data to cxl_port instances 2021-06-09 18:02:39 -07:00
cxl.h cxl/acpi: Add downstream port data to cxl_port instances 2021-06-09 18:02:39 -07:00
Kconfig cxl/Kconfig: Default drivers to CONFIG_CXL_BUS 2021-06-09 18:02:38 -07:00
Makefile cxl/acpi: Introduce the root of a cxl_port topology 2021-06-09 18:02:38 -07:00
mem.h cxl/mem: Get rid of @cxlm.base 2021-05-26 11:20:18 -07:00
pci.c cxl/pci: Add HDM decoder capabilities 2021-06-05 17:39:12 -07:00
pci.h