hwlocality_advanced_io - Man Page

Finding I/O objects

Synopsis

Functions

hwloc_obj_t hwloc_get_non_io_ancestor_obj (hwloc_topology_t topology, hwloc_obj_t ioobj)
hwloc_obj_t hwloc_get_next_pcidev (hwloc_topology_t topology, hwloc_obj_t prev)
hwloc_obj_t hwloc_get_pcidev_by_busid (hwloc_topology_t topology, unsigned domain, unsigned bus, unsigned dev, unsigned func)
hwloc_obj_t hwloc_get_pcidev_by_busidstring (hwloc_topology_t topology, const char *busid)
hwloc_obj_t hwloc_get_next_osdev (hwloc_topology_t topology, hwloc_obj_t prev)
hwloc_obj_t hwloc_get_next_bridge (hwloc_topology_t topology, hwloc_obj_t prev)
int hwloc_bridge_covers_pcibus (hwloc_obj_t bridge, unsigned domain, unsigned bus)

Detailed Description

Function Documentation

int hwloc_bridge_covers_pcibus (hwloc_obj_t bridge, unsigned domain, unsigned bus) [inline]

hwloc_obj_t hwloc_get_next_bridge (hwloc_topology_t topology, hwloc_obj_t prev) [inline]

Get the next bridge in the system​.

Returns

the first bridge if prev is NULL​.

the next bridge if prev is not NULL​.

NULL if there is no next bridge​.

hwloc_obj_t hwloc_get_next_osdev (hwloc_topology_t topology, hwloc_obj_t prev) [inline]

Get the next OS device in the system​.

Returns

the first OS device if prev is NULL​.

the next OS device if prev is not NULL​.

NULL if there is no next OS device​.

hwloc_obj_t hwloc_get_next_pcidev (hwloc_topology_t topology, hwloc_obj_t prev) [inline]

Get the next PCI device in the system​.

Returns

the first PCI device if prev is NULL​.

the next PCI device if prev is not NULL​.

NULL if there is no next PCI device​.

hwloc_obj_t hwloc_get_non_io_ancestor_obj (hwloc_topology_t topology, hwloc_obj_t ioobj) [inline]

Get the first non-I/O ancestor object​. Given the I/O object ioobj, find the smallest non-I/O ancestor object​. This object (normal or memory) may then be used for binding because it has non-NULL CPU and node sets and because its locality is the same as ioobj​.

Returns

a non-I/O object​.

Note

This function cannot return NULL​.

The resulting object is usually a normal object but it could also be a memory object (e​.g​. NUMA node) in future platforms if I/O objects ever get attached to memory instead of CPUs​.

hwloc_obj_t hwloc_get_pcidev_by_busid (hwloc_topology_t topology, unsigned domain, unsigned bus, unsigned dev, unsigned func) [inline]

Find the PCI device object matching the PCI bus id given domain, bus device and function PCI bus id​.

Returns

a matching PCI device object if any, NULL otherwise​.

hwloc_obj_t hwloc_get_pcidev_by_busidstring (hwloc_topology_t topology, const char * busid) [inline]

Find the PCI device object matching the PCI bus id given as a string xxxx:yy:zz​.t or yy:zz​.t​.

Returns

a matching PCI device object if any, NULL otherwise​.

Author

Generated automatically by Doxygen for Hardware Locality (hwloc) from the source code​.

Info

Version 2.14.0 Hardware Locality (hwloc)