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acpi/nfit: Issue Start ARS to retrieve existing records

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ACPI 6.2 defines in section 9.20.7.2 that the OSPM may call a Start
ARS with Flags Bit [1] set upon receiving the 0x81 notification.

  Upon receiving the notification, the OSPM may decide to issue
  a Start ARS with Flags Bit [1] set to prepare for the retrieval
  of existing records and issue the Query ARS Status function to
  retrieve the records.

Add support to call a Start ARS from acpi_nfit_uc_error_notify()
with ND_ARS_RETURN_PREV_DATA set when HW_ERROR_SCRUB_ON is not set.

Link: http://www.uefi.org/sites/default/files/resources/ACPI_6_2.pdf
Signed-off-by: Toshi Kani <toshi.kani@hpe.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Linda Knippers <linda.knippers@hpe.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Toshi Kani 2017-06-29 20:41:30 -06:00 • committed by Dan Williams
parent 759d6a9641
commit 807900395e
4 changed files with 14 additions and 5 deletions
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1
include/uapi/linux/ndctl.h
View file

@ -207,6 +207,7 @@ enum {
enum {
ND_ARS_VOLATILE = 1,
ND_ARS_PERSISTENT = 2,
ND_ARS_RETURN_PREV_DATA = 1 << 1,
ND_CONFIG_LOCKED = 1,
};