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| author | Matt Fleming <matt.fleming@intel.com> | 2015-05-27 16:14:22 +0300 |
|---|---|---|
| committer | Matt Fleming <matt.fleming@intel.com> | 2015-05-27 17:40:20 +0300 |
| commit | c208358c2cc832eeb5b341a465eee30be19cd5a0 (patch) | |
| tree | a3fefb97bd669f42b96a18f8251dd52e0bfc518e /Documentation/ABI | |
| parent | b119fe080a83d32d78f56877fe3a95a155417130 (diff) | |
| download | linux-c208358c2cc832eeb5b341a465eee30be19cd5a0.tar.xz | |
efi: Add 'systab' information to Documentation/ABI
It's not clear right now that the order in which entries are displayed
in /sys/firmware/efi/systab actually forms an ABI that userspace tools
rely upon.
Document the ABI along with the userspace tool that cares.
Suggested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Ivan Khoronzhuk <ivan.khoronzhuk@globallogic.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-firmware-efi | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-firmware-efi b/Documentation/ABI/testing/sysfs-firmware-efi index 05874da7ce80..e794eac32a90 100644 --- a/Documentation/ABI/testing/sysfs-firmware-efi +++ b/Documentation/ABI/testing/sysfs-firmware-efi @@ -18,3 +18,13 @@ Contact: Dave Young <dyoung@redhat.com> Description: It shows the physical address of config table entry in the EFI system table. Users: Kexec + +What: /sys/firmware/efi/systab +Date: April 2005 +Contact: linux-efi@vger.kernel.org +Description: Displays the physical addresses of all EFI Configuration + Tables found via the EFI System Table. The order in + which the tables are printed forms an ABI and newer + versions are always printed first, i.e. ACPI20 comes + before ACPI. +Users: dmidecode |