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.
- Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.
Dependency Surface
- No C-style include directives detected by the generator.
Detected Declarations
- No top-level syscall, struct, function, initcall, or export declaration detected by the generator.
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
- Atlas domain: Support Tooling And Documentation / Documentation.
- Implementation status: atlas-only.
Implementation Notes
- This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
- Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
- Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.