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00013 #ifndef HWLOC_INTEL_MIC_H
00014 #define HWLOC_INTEL_MIC_H
00015
00016 #include "hwloc.h"
00017 #include "hwloc/autogen/config.h"
00018 #include "hwloc/helper.h"
00019
00020 #ifdef HWLOC_LINUX_SYS
00021 #include "hwloc/linux.h"
00022
00023 #include <dirent.h>
00024 #include <string.h>
00025 #endif
00026
00027 #include <stdio.h>
00028 #include <stdlib.h>
00029
00030
00031 #ifdef __cplusplus
00032 extern "C" {
00033 #endif
00034
00035
00059 static __hwloc_inline int
00060 hwloc_intel_mic_get_device_cpuset(hwloc_topology_t topology __hwloc_attribute_unused,
00061 int idx __hwloc_attribute_unused,
00062 hwloc_cpuset_t set)
00063 {
00064 #ifdef HWLOC_LINUX_SYS
00065
00066 #define HWLOC_INTEL_MIC_DEVICE_SYSFS_PATH_MAX 128
00067 char path[HWLOC_INTEL_MIC_DEVICE_SYSFS_PATH_MAX];
00068 DIR *sysdir = NULL;
00069 struct dirent *dirent;
00070 unsigned pcibus, pcidev, pcifunc;
00071
00072 if (!hwloc_topology_is_thissystem(topology)) {
00073 errno = EINVAL;
00074 return -1;
00075 }
00076
00077 sprintf(path, "/sys/class/mic/mic%d", idx);
00078 sysdir = opendir(path);
00079 if (!sysdir)
00080 return -1;
00081
00082 while ((dirent = readdir(sysdir)) != NULL) {
00083 if (sscanf(dirent->d_name, "pci_%02x:%02x.%02x", &pcibus, &pcidev, &pcifunc) == 3) {
00084 sprintf(path, "/sys/class/mic/mic%d/pci_%02x:%02x.%02x/local_cpus", idx, pcibus, pcidev, pcifunc);
00085 if (hwloc_linux_read_path_as_cpumask(path, set) < 0
00086 || hwloc_bitmap_iszero(set))
00087 hwloc_bitmap_copy(set, hwloc_topology_get_complete_cpuset(topology));
00088 break;
00089 }
00090 }
00091
00092 closedir(sysdir);
00093 #else
00094
00095 hwloc_bitmap_copy(set, hwloc_topology_get_complete_cpuset(topology));
00096 #endif
00097 return 0;
00098 }
00099
00113 static __hwloc_inline hwloc_obj_t
00114 hwloc_intel_mic_get_device_osdev_by_index(hwloc_topology_t topology,
00115 unsigned idx)
00116 {
00117 hwloc_obj_t osdev = NULL;
00118 while ((osdev = hwloc_get_next_osdev(topology, osdev)) != NULL) {
00119 if (HWLOC_OBJ_OSDEV_COPROC == osdev->attr->osdev.type
00120 && osdev->name
00121 && !strncmp("mic", osdev->name, 3)
00122 && atoi(osdev->name + 3) == (int) idx)
00123 return osdev;
00124 }
00125 return NULL;
00126 }
00127
00131 #ifdef __cplusplus
00132 }
00133 #endif
00134
00135
00136 #endif