Here is a list of all related documentation pages:

Installation
Compiling software on top of hwloc's C API
Terms and Definitions
Command-Line Tools
Environment Variables
CPU and Memory Binding Overview
I/O Devices
Miscellaneous objects
Object attributes
Topology Attributes: Distances, Memory Attributes and CPU Kinds
Heterogeneous Memory
Importing and exporting topologies from/to XML files
Synthetic topologies
Interoperability With Other Software
Thread Safety
Components and plugins
Embedding hwloc in Other Software
Frequently Asked Questions (FAQ)
Upgrading to the hwloc 3.0 API