OpenMPI  0.1.1
Advanced I/O object traversal helpers

Functions

static __hwloc_inline hwloc_obj_t hwloc_get_non_io_ancestor_obj (hwloc_topology_t topology __hwloc_attribute_unused, hwloc_obj_t ioobj)
 Get the first non-I/O ancestor object. More...
 
static __hwloc_inline hwloc_obj_t hwloc_get_next_pcidev (hwloc_topology_t topology, hwloc_obj_t prev)
 Get the next PCI device in the system. More...
 
static __hwloc_inline hwloc_obj_t hwloc_get_pcidev_by_busid (hwloc_topology_t topology, unsigned domain, unsigned bus, unsigned dev, unsigned func)
 Find the PCI device object matching the PCI bus id given domain, bus device and function PCI bus id.
 
static __hwloc_inline hwloc_obj_t hwloc_get_pcidev_by_busidstring (hwloc_topology_t topology, const char *busid)
 Find the PCI device object matching the PCI bus id given as a string xxxx:yy:zz.t or yy:zz.t.
 
static __hwloc_inline hwloc_obj_t hwloc_get_next_osdev (hwloc_topology_t topology, hwloc_obj_t prev)
 Get the next OS device in the system. More...
 
static __hwloc_inline hwloc_obj_t hwloc_get_next_bridge (hwloc_topology_t topology, hwloc_obj_t prev)
 Get the next bridge in the system. More...
 
static __hwloc_inline int hwloc_bridge_covers_pcibus (hwloc_obj_t bridge, unsigned domain, unsigned bus)
 
static __hwloc_inline hwloc_obj_t hwloc_get_hostbridge_by_pcibus (hwloc_topology_t topology, unsigned domain, unsigned bus)
 Find the hostbridge that covers the given PCI bus. More...
 

Detailed Description

Function Documentation

static __hwloc_inline hwloc_obj_t hwloc_get_hostbridge_by_pcibus ( hwloc_topology_t  topology,
unsigned  domain,
unsigned  bus 
)
static

Find the hostbridge that covers the given PCI bus.

This is useful for finding the locality of a bus because it is the hostbridge parent cpuset.

References hwloc_obj::attr, hwloc_obj::cpuset, hwloc_get_next_bridge(), HWLOC_OBJ_BRIDGE, HWLOC_OBJ_BRIDGE_HOST, hwloc_obj::parent, and hwloc_obj::type.

static __hwloc_inline hwloc_obj_t hwloc_get_next_bridge ( hwloc_topology_t  topology,
hwloc_obj_t  prev 
)
static

Get the next bridge in the system.

Returns
the first bridge if prev is NULL.

References hwloc_get_next_obj_by_type(), and HWLOC_OBJ_BRIDGE.

Referenced by hwloc_get_hostbridge_by_pcibus().

static __hwloc_inline hwloc_obj_t hwloc_get_next_osdev ( hwloc_topology_t  topology,
hwloc_obj_t  prev 
)
static

Get the next OS device in the system.

Returns
the first OS device if prev is NULL.

References hwloc_get_next_obj_by_type(), and HWLOC_OBJ_OS_DEVICE.

static __hwloc_inline hwloc_obj_t hwloc_get_next_pcidev ( hwloc_topology_t  topology,
hwloc_obj_t  prev 
)
static

Get the next PCI device in the system.

Returns
the first PCI device if prev is NULL.

References hwloc_get_next_obj_by_type(), and HWLOC_OBJ_PCI_DEVICE.

Referenced by hwloc_get_pcidev_by_busid().

static __hwloc_inline hwloc_obj_t hwloc_get_non_io_ancestor_obj ( hwloc_topology_t topology  __hwloc_attribute_unused,
hwloc_obj_t  ioobj 
)
static

Get the first non-I/O ancestor object.

Given the I/O object ioobj, find the smallest non-I/O ancestor object. This regular object may then be used for binding because its locality is the same as ioobj.

References hwloc_obj::cpuset, and hwloc_obj::parent.