[5/5] x86/platform/uv: Update sysfs document file
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Message ID 20201125172907.240996-6-mike.travis@hpe.com
State New, archived
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Series
  • x86/platform/uv: Move UV procfs leaves to sysfs
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Commit Message

Mike Travis Nov. 25, 2020, 5:29 p.m. UTC
Update sysfs Document file to include moved /proc leaves.

Signed-off-by: Mike Travis <mike.travis@hpe.com>
---
 Documentation/ABI/testing/sysfs-firmware-sgi_uv | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

Patch
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diff --git a/Documentation/ABI/testing/sysfs-firmware-sgi_uv b/Documentation/ABI/testing/sysfs-firmware-sgi_uv
index ca5cdccdb1a8..fa7f7aefa5ed 100644
--- a/Documentation/ABI/testing/sysfs-firmware-sgi_uv
+++ b/Documentation/ABI/testing/sysfs-firmware-sgi_uv
@@ -7,9 +7,24 @@  Description:
 
 		Under that directory are a number of read-only attributes:
 
+			archtype
+			hub_type
+			hubless
 			partition_id
 			uv_type
 
+		The archtype entry contains the UV architecture type that
+		is used to select arch-dependent addresses and features.
+		If 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
@@ -18,6 +33,7 @@  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
 			"7.0" = UV4