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Hardware Locality (hwloc)
1.11.8
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Functions | |
| int | hwloc_insert_pci_device_list (struct hwloc_backend *backend, struct hwloc_obj *first_obj) |
| unsigned | hwloc_pci_find_cap (const unsigned char *config, unsigned cap) |
| int | hwloc_pci_find_linkspeed (const unsigned char *config, unsigned offset, float *linkspeed) |
| int | hwloc_pci_prepare_bridge (hwloc_obj_t obj, const unsigned char *config) |
| int hwloc_insert_pci_device_list | ( | struct hwloc_backend * | backend, |
| struct hwloc_obj * | first_obj | ||
| ) |
Insert a list of PCI devices and bridges in the backend topology.
Insert a list of objects (either PCI device or bridges) starting at first_obj (linked by next_sibling in the topology, and ending with NULL). Objects are placed under the right bridges, and the remaining upstream bridges are then inserted in the topology by calling the get_obj_cpuset() callback to find their locality.
| unsigned hwloc_pci_find_cap | ( | const unsigned char * | config, |
| unsigned | cap | ||
| ) |
Return the offset of the given capability in the PCI config space buffer.
This function requires a 256-bytes config space. Unknown/unavailable bytes should be set to 0xff.
| int hwloc_pci_find_linkspeed | ( | const unsigned char * | config, |
| unsigned | offset, | ||
| float * | linkspeed | ||
| ) |
Fill linkspeed by reading the PCI config space where PCI_CAP_ID_EXP is at position offset.
Needs 20 bytes of EXP capability block starting at offset in the config space for registers up to link status.
| int hwloc_pci_prepare_bridge | ( | hwloc_obj_t | obj, |
| const unsigned char * | config | ||
| ) |
Modify the PCI device object into a bridge and fill its attribute if a bridge is found in the PCI config space.
This function requires 64 bytes of common configuration header at the beginning of config.
Returns -1 and destroys /p obj if bridge fields are invalid.
1.8.13