13 #ifndef HWLOC_INTEL_MIC_H
14 #define HWLOC_INTEL_MIC_H
17 #include <hwloc/autogen/config.h>
18 #include <hwloc/helper.h>
19 #ifdef HWLOC_LINUX_SYS
20 #include <hwloc/linux.h>
57 static __hwloc_inline
int
59 int idx __hwloc_attribute_unused,
62 #ifdef HWLOC_LINUX_SYS
64 #define HWLOC_INTEL_MIC_DEVICE_SYSFS_PATH_MAX 128
65 char path[HWLOC_INTEL_MIC_DEVICE_SYSFS_PATH_MAX];
68 struct dirent *dirent;
69 unsigned pcibus, pcidev, pcifunc;
76 sprintf(path,
"/sys/class/mic/mic%d", idx);
77 sysdir = opendir(path);
81 while ((dirent = readdir(sysdir)) != NULL) {
82 if (sscanf(dirent->d_name,
"pci_%02x:%02x.%02x", &pcibus, &pcidev, &pcifunc) == 3) {
83 sprintf(path,
"/sys/class/mic/mic%d/pci_%02x:%02x.%02x/local_cpus", idx, pcibus, pcidev, pcifunc);
84 sysfile = fopen(path,
"r");
128 && !strncmp(
"mic", osdev->
name, 3)
129 && atoi(osdev->
name + 3) == (
int) idx)
Structure of a topology object.
Definition: hwloc.h:339
static int hwloc_intel_mic_get_device_cpuset(hwloc_topology_t topology, int idx, hwloc_cpuset_t set)
Get the CPU set of logical processors that are physically close to MIC device whose index is idx...
Definition: intel-mic.h:58
void hwloc_bitmap_copy(hwloc_bitmap_t dst, hwloc_const_bitmap_t src)
Copy the contents of bitmap src into the already allocated bitmap dst.
int hwloc_linux_parse_cpumap_file(FILE *file, hwloc_cpuset_t set)
Convert a linux kernel cpumap file file into hwloc CPU set.
static hwloc_const_cpuset_t hwloc_topology_get_complete_cpuset(hwloc_topology_t topology)
Get complete CPU set.
Definition: helper.h:782
static hwloc_obj_t hwloc_get_next_osdev(hwloc_topology_t topology, hwloc_obj_t prev)
Get the next OS device in the system.
Definition: helper.h:1231
Operating system co-processor device. For instance "mic0" for a Xeon Phi (MIC) on Linux...
Definition: hwloc.h:278
hwloc_bitmap_t hwloc_cpuset_t
A CPU set is a bitmap whose bits are set according to CPU physical OS indexes.
Definition: hwloc.h:122
union hwloc_obj_attr_u * attr
Object type-specific Attributes, may be NULL if no attribute value was found.
Definition: hwloc.h:350
struct hwloc_obj_attr_u::hwloc_osdev_attr_s osdev
hwloc_obj_osdev_type_t type
Definition: hwloc.h:533
char * name
Object description if any.
Definition: hwloc.h:346
int hwloc_topology_is_thissystem(hwloc_topology_t restrict topology)
Does the topology context come from this system?
int hwloc_bitmap_iszero(hwloc_const_bitmap_t bitmap)
Test whether bitmap bitmap is empty.
static hwloc_obj_t hwloc_intel_mic_get_device_osdev_by_index(hwloc_topology_t topology, unsigned idx)
Get the hwloc OS device object corresponding to the MIC device for the given index.
Definition: intel-mic.h:121
struct hwloc_topology * hwloc_topology_t
Topology context.
Definition: hwloc.h:596