Documentation/ABI/testing/configfs-stp-policy

Source file repositories/reference/linux-study-clean/Documentation/ABI/testing/configfs-stp-policy

File Facts

System: Linux kernel
Corpus path: Documentation/ABI/testing/configfs-stp-policy
Extension: [no extension]
Size: 1563 bytes
Lines: 49
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

What:		/config/stp-policy
Date:		June 2015
KernelVersion:	4.3
Description:
		This group contains policies mandating Master/Channel allocation
		for software sources wishing to send trace data over an STM
		device.

What:		/config/stp-policy/<device>.<policy>
Date:		June 2015
KernelVersion:	4.3
Description:
		This group is the root of a policy; its name is a concatenation
		of an stm device name to which this policy applies and an
		arbitrary string. If <device> part doesn't match an existing
		stm device, mkdir will fail with ENODEV; if that device already
		has a policy assigned to it, mkdir will fail with EBUSY.

What:		/config/stp-policy/<device>.<policy>/device
Date:		June 2015
KernelVersion:	4.3
Description:
		STM device to which this policy applies, read only. Same as the
		<device> component of its parent directory.

What:		/config/stp-policy/<device>.<policy>/<node>
Date:		June 2015
KernelVersion:	4.3
Description:
		Policy node is a string identifier that software clients will
		use to request a master/channel to be allocated and assigned to
		them.

What:		/config/stp-policy/<device>.<policy>/<node>/masters
Date:		June 2015
KernelVersion:	4.3
Description:
		Range of masters from which to allocate for users of this node.
		Write two numbers: the first master and the last master number.

What:		/config/stp-policy/<device>.<policy>/<node>/channels
Date:		June 2015
KernelVersion:	4.3
Description:
		Range of channels from which to allocate for users of this node.
		Write two numbers: the first channel and the last channel
		number.

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.