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SFI: add sysfs interface for SFI tables.

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Analogous to ACPI's /sys/firmware/acpi/tables/...

create /sys/firmware/sfi/tables/

The tables are primariy for the kernel,
but sometimes it is useful for user-space to be
able to read them.

Signed-off-by: Feng Tang <[email protected]>
Signed-off-by: Len Brown <[email protected]>
This commit is contained in:
Feng Tang 2010-05-26 11:28:08 +08:00 • committed by Len Brown
commit dce80a5626
4 changed files with 167 additions and 0 deletions
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15
Documentation/ABI/testing/sysfs-firmware-sfi Normal file
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What: /sys/firmware/sfi/tables/
Date: May 2010
Contact: Len Brown <[email protected]>
Description:
SFI defines a number of small static memory tables
so the kernel can get platform information from firmware.
The tables are defined in the latest SFI specification:
http://simplefirmware.org/documentation
While the tables are used by the kernel, user-space
can observe them this way:
# cd /sys/firmware/sfi/tables
# cat $TABLENAME > $TABLENAME.bin