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.TH "hwlocality_advanced_io" 3 "Version 2.12.0" "Hardware Locality (hwloc)" \" -*- nroff -*-
.ad l
.nh
.SH NAME
hwlocality_advanced_io \- Finding I/O objects
.SH SYNOPSIS
.br
.PP
.SS "Functions"
.in +1c
.ti -1c
.RI "\fBhwloc_obj_t\fP \fBhwloc_get_non_io_ancestor_obj\fP (\fBhwloc_topology_t\fP topology, \fBhwloc_obj_t\fP ioobj)"
.br
.ti -1c
.RI "\fBhwloc_obj_t\fP \fBhwloc_get_next_pcidev\fP (\fBhwloc_topology_t\fP topology, \fBhwloc_obj_t\fP prev)"
.br
.ti -1c
.RI "\fBhwloc_obj_t\fP \fBhwloc_get_pcidev_by_busid\fP (\fBhwloc_topology_t\fP topology, unsigned domain, unsigned bus, unsigned dev, unsigned func)"
.br
.ti -1c
.RI "\fBhwloc_obj_t\fP \fBhwloc_get_pcidev_by_busidstring\fP (\fBhwloc_topology_t\fP topology, const char *busid)"
.br
.ti -1c
.RI "\fBhwloc_obj_t\fP \fBhwloc_get_next_osdev\fP (\fBhwloc_topology_t\fP topology, \fBhwloc_obj_t\fP prev)"
.br
.ti -1c
.RI "\fBhwloc_obj_t\fP \fBhwloc_get_next_bridge\fP (\fBhwloc_topology_t\fP topology, \fBhwloc_obj_t\fP prev)"
.br
.ti -1c
.RI "int \fBhwloc_bridge_covers_pcibus\fP (\fBhwloc_obj_t\fP bridge, unsigned domain, unsigned bus)"
.br
.in -1c
.SH "Detailed Description"
.PP
.SH "Function Documentation"
.PP
.SS "int hwloc_bridge_covers_pcibus (\fBhwloc_obj_t\fP bridge, unsigned domain, unsigned bus)\fC [inline]\fP"
.SS "\fBhwloc_obj_t\fP hwloc_get_next_bridge (\fBhwloc_topology_t\fP topology, \fBhwloc_obj_t\fP prev)\fC [inline]\fP"
.PP
Get the next bridge in the system\&.
.PP
\fBReturns\fP
.RS 4
the first bridge if \fCprev\fP is \fCNULL\fP\&.
.PP
the next bridge if \fCprev\fP is not \fCNULL\fP\&.
.PP
\fCNULL\fP if there is no next bridge\&.
.RE
.PP
.SS "\fBhwloc_obj_t\fP hwloc_get_next_osdev (\fBhwloc_topology_t\fP topology, \fBhwloc_obj_t\fP prev)\fC [inline]\fP"
.PP
Get the next OS device in the system\&.
.PP
\fBReturns\fP
.RS 4
the first OS device if \fCprev\fP is \fCNULL\fP\&.
.PP
the next OS device if \fCprev\fP is not \fCNULL\fP\&.
.PP
\fCNULL\fP if there is no next OS device\&.
.RE
.PP
.SS "\fBhwloc_obj_t\fP hwloc_get_next_pcidev (\fBhwloc_topology_t\fP topology, \fBhwloc_obj_t\fP prev)\fC [inline]\fP"
.PP
Get the next PCI device in the system\&.
.PP
\fBReturns\fP
.RS 4
the first PCI device if \fCprev\fP is \fCNULL\fP\&.
.PP
the next PCI device if \fCprev\fP is not \fCNULL\fP\&.
.PP
\fCNULL\fP if there is no next PCI device\&.
.RE
.PP
.SS "\fBhwloc_obj_t\fP hwloc_get_non_io_ancestor_obj (\fBhwloc_topology_t\fP topology, \fBhwloc_obj_t\fP ioobj)\fC [inline]\fP"
.PP
Get the first non-I/O ancestor object\&. Given the I/O object \fCioobj\fP, 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 \fCioobj\fP\&.
.PP
\fBReturns\fP
.RS 4
a non-I/O object\&.
.RE
.PP
\fBNote\fP
.RS 4
This function cannot return \fCNULL\fP\&.
.PP
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\&.
.RE
.PP
.SS "\fBhwloc_obj_t\fP hwloc_get_pcidev_by_busid (\fBhwloc_topology_t\fP topology, unsigned domain, unsigned bus, unsigned dev, unsigned func)\fC [inline]\fP"
.PP
Find the PCI device object matching the PCI bus id given domain, bus device and function PCI bus id\&.
.PP
\fBReturns\fP
.RS 4
a matching PCI device object if any, \fCNULL\fP otherwise\&.
.RE
.PP
.SS "\fBhwloc_obj_t\fP hwloc_get_pcidev_by_busidstring (\fBhwloc_topology_t\fP topology, const char * busid)\fC [inline]\fP"
.PP
Find the PCI device object matching the PCI bus id given as a string xxxx:yy:zz\&.t or yy:zz\&.t\&.
.PP
\fBReturns\fP
.RS 4
a matching PCI device object if any, \fCNULL\fP otherwise\&.
.RE
.PP
.SH "Author"
.PP
Generated automatically by Doxygen for Hardware Locality (hwloc) from the source code\&.
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