OpenCloudOS-Kernel/drivers/cxl
Dan Williams 172738bbcc cxl/port: Link the 'parent_dport' in portX/ and endpointX/ sysfs
Similar to the justification in:

1b58b4cac6 ("cxl/port: Record parent dport when adding ports")

...userspace wants to know the routing information for ports for
calculating the memdev order for region creation among other things.
Cache the information the kernel discovers at enumeration time in a
'parent_dport' attribute to save userspace the time of trawling sysfs
to recover the same information.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/167124082375.1626103.6047000000121298560.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2023-01-25 15:32:57 -08:00
..
core cxl/port: Link the 'parent_dport' in portX/ and endpointX/ sysfs 2023-01-25 15:32:57 -08:00
Kconfig cxl/region: Manage CPU caches relative to DPA invalidation events 2022-12-03 00:03:57 -08:00
Makefile cxl/pmem: Introduce nvdimm_security_ops with ->get_flags() operation 2022-11-30 16:30:47 -08:00
acpi.c cxl: update names for interleave ways conversion macros 2022-12-05 18:17:16 -08:00
cxl.h cxl/pci: Move tracepoint definitions to drivers/cxl/core/ 2023-01-04 17:11:11 -08:00
cxlmem.h cxl/mbox: Add variable output size validation for internal commands 2022-12-06 14:36:02 -08:00
cxlpci.h cxl/pci: Move tracepoint definitions to drivers/cxl/core/ 2023-01-04 17:11:11 -08:00
mem.c cxl/port: Add RCD endpoint port enumeration 2022-12-05 10:32:26 -08:00
pci.c cxl/pci: Show opcode in debug messages when sending a command 2023-01-24 17:52:54 -08:00
pmem.c cxl/mbox: Enable cxl_mbox_send_cmd() users to validate output size 2022-12-06 14:36:02 -08:00
port.c cxl/port: Read CDAT table 2022-07-19 15:38:05 -07:00
security.c cxl/mbox: Enable cxl_mbox_send_cmd() users to validate output size 2022-12-06 14:36:02 -08:00