Documentation/ABI/stable/sysfs-class-infiniband

Source file repositories/reference/linux-study-clean/Documentation/ABI/stable/sysfs-class-infiniband

File Facts

System
Linux kernel
Corpus path
Documentation/ABI/stable/sysfs-class-infiniband
Extension
[no extension]
Size
28142 bytes
Lines
785
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: Documentation
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

sysfs interface common for all infiniband devices
-------------------------------------------------

What:		/sys/class/infiniband/<device>/node_type
What:		/sys/class/infiniband/<device>/node_guid
What:		/sys/class/infiniband/<device>/sys_image_guid
Date:		Apr, 2005
KernelVersion:	v2.6.12
Contact:	linux-rdma@vger.kernel.org
Description:
		=============== ===========================================
		node_type:	(RO) Node type (CA, RNIC, usNIC, usNIC UDP,
				switch or router)

		node_guid:	(RO) Node GUID

		sys_image_guid:	(RO) System image GUID
		=============== ===========================================


What:		/sys/class/infiniband/<device>/node_desc
Date:		Feb, 2006
KernelVersion:	v2.6.17
Contact:	linux-rdma@vger.kernel.org
Description:
		(RW) Update the node description with information such as the
		node's hostname, so that IB network management software can tie
		its view to the real world.


What:		/sys/class/infiniband/<device>/fw_ver
Date:		Jun, 2016
KernelVersion:	v4.10
Contact:	linux-rdma@vger.kernel.org
Description:
		(RO) Display firmware version


What:		/sys/class/infiniband/<device>/ports/<port-num>/lid
What:		/sys/class/infiniband/<device>/ports/<port-num>/rate
What:		/sys/class/infiniband/<device>/ports/<port-num>/lid_mask_count
What:		/sys/class/infiniband/<device>/ports/<port-num>/sm_sl
What:		/sys/class/infiniband/<device>/ports/<port-num>/sm_lid
What:		/sys/class/infiniband/<device>/ports/<port-num>/state
What:		/sys/class/infiniband/<device>/ports/<port-num>/phys_state
What:		/sys/class/infiniband/<device>/ports/<port-num>/cap_mask
Date:		Apr, 2005
KernelVersion:	v2.6.12
Contact:	linux-rdma@vger.kernel.org
Description:

		=============== ===============================================
		lid:		(RO) Port LID

		rate:		(RO) Port data rate (active width * active
				speed)

		lid_mask_count:	(RO) Port LID mask count

		sm_sl:		(RO) Subnet manager SL for port's subnet

		sm_lid:		(RO) Subnet manager LID for port's subnet

		state:		(RO) Port state (DOWN, INIT, ARMED, ACTIVE or
				ACTIVE_DEFER)

		phys_state:	(RO) Port physical state (Sleep, Polling,
				LinkUp, etc)

		cap_mask:	(RO) Port capability mask. 2 bits here are

Annotation

Implementation Notes