linux/drivers/cxl
Alison Schofield 28a3ae4ff6 cxl/trace: Add an HPA to cxl_poison trace events
When a cxl_poison trace event is reported for a region, the poisoned
Device Physical Address (DPA) can be translated to a Host Physical
Address (HPA) for consumption by user space.

Translate and add the resulting HPA to the cxl_poison trace event.
Follow the device decode logic as defined in the CXL Spec 3.0 Section
8.2.4.19.13.

If no region currently maps the poison, assign ULLONG_MAX to the
cxl_poison event hpa field.

Signed-off-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Link: https://lore.kernel.org/r/6d3cd726f9042a59902785b0a2cb3ddfb70e0219.1681838292.git.alison.schofield@intel.com
Tested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2023-04-23 11:46:13 -07:00
..
core cxl/trace: Add an HPA to cxl_poison trace events 2023-04-23 11:46:13 -07:00
acpi.c Merge branch 'for-6.3/cxl-ram-region' into cxl/next 2023-02-10 18:11:01 -08:00
cxl.h cxl/port: Fix find_cxl_root() for RCDs and simplify it 2023-04-04 15:34:34 -07:00
cxlmem.h cxl/memdev: Add trigger_poison_list sysfs attribute 2023-04-23 11:46:02 -07:00
cxlpci.h cxl/pci: Handle truncated CDAT entries 2023-04-03 16:16:34 -07:00
Kconfig Merge branch 'for-6.3/cxl-ram-region' into cxl/next 2023-02-10 18:11:01 -08:00
Makefile cxl/pmem: Introduce nvdimm_security_ops with ->get_flags() operation 2022-11-30 16:30:47 -08:00
mem.c cxl/memdev: Add trigger_poison_list sysfs attribute 2023-04-23 11:46:02 -07:00
pci.c cxl/mbox: Initialize the poison state 2023-04-23 11:45:26 -07:00
pmem.c cxl/pmem: Fix nvdimm registration races 2023-02-13 17:01:05 -08:00
port.c cxl/port: Fix find_cxl_root() for RCDs and simplify it 2023-04-04 15:34:34 -07:00
security.c cxl/mbox: Enable cxl_mbox_send_cmd() users to validate output size 2022-12-06 14:36:02 -08:00