From: Mike Travis Date: Sat, 28 Nov 2020 03:42:27 +0000 (-0600) Subject: x86/platform/uv: Update sysfs documentation X-Git-Tag: accepted/tizen/unified/20230118.172025~8345^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c9624cb7db1c418cbdc8fd2cde6835f83cd0f8a2;p=platform%2Fkernel%2Flinux-rpi.git x86/platform/uv: Update sysfs documentation Update sysfs documentation file to include moved /proc leaves. Signed-off-by: Mike Travis Signed-off-by: Borislav Petkov Acked-by: Hans de Goede Link: https://lkml.kernel.org/r/20201128034227.120869-6-mike.travis@hpe.com --- diff --git a/Documentation/ABI/testing/sysfs-firmware-sgi_uv b/Documentation/ABI/testing/sysfs-firmware-sgi_uv index 351b1f4..637c668 100644 --- a/Documentation/ABI/testing/sysfs-firmware-sgi_uv +++ b/Documentation/ABI/testing/sysfs-firmware-sgi_uv @@ -7,10 +7,25 @@ Description: Under that directory are a number of read-only attributes:: + archtype + hub_type + hubless partition_id coherence_id uv_type + The archtype entry contains the UV architecture type that + is used to select arch-dependent addresses and features. + It can be set via the OEM_ID in the ACPI MADT table or by + UVsystab entry both passed from UV BIOS. + + The hub_type entry is used to select the type of hub which is + similar to uv_type but encoded in a binary format. Include + the file uv_hub.h to get the definitions. + + The hubless entry basically is present and set only if there + is no hub. In this case the hub_type entry is not present. + The partition_id entry contains the partition id. UV systems can be partitioned into multiple physical machines, which each partition running a unique copy @@ -24,6 +39,7 @@ Description: The uv_type entry contains the hub revision number. This value can be used to identify the UV system version:: + "0.*" = Hubless UV ('*' is subtype) "3.0" = UV2 "5.0" = UV3