Hardware Locality (hwloc) 1.4.2

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myriexpress.h

    00001 /*
    00002  * Copyright © 2010-2012 inria.  All rights reserved.
    00003  * Copyright © 2011 Cisco Systems, Inc.  All rights reserved.
    00004  * See COPYING in top-level directory.
    00005  */
    00006
    00015 #ifndef HWLOC_MYRIEXPRESS_H
    00016 #define HWLOC_MYRIEXPRESS_H
    00017
    00018 #include <hwloc.h>
    00019 #include <hwloc/autogen/config.h>
    00020 #include <hwloc/linux.h>
    00021
    00022 #include <myriexpress.h>
    00023
    00024
    00025 #ifdef __cplusplus
    00026 extern "C" {
    00027 #endif
    00028
    00029
    00042 static inline int
    00043 hwloc_mx_board_get_device_cpuset(hwloc_topology_t topology,
    00044                                  unsigned id, hwloc_cpuset_t set)
    00045 {
    00046   uint32_t in, out;
    00047
    00048   in = id;
    00049   if (mx_get_info(NULL, MX_NUMA_NODE, &in, sizeof(in), &out, sizeof(out)) != MX_SUCCESS) {
    00050     errno = EINVAL;
    00051     return -1;
    00052   }
    00053
    00054   if (out != (uint32_t) -1) {
    00055     hwloc_obj_t obj = NULL;
    00056     while ((obj = hwloc_get_next_obj_by_type(topology, HWLOC_OBJ_NODE, obj)) != NULL)
    00057       if (obj->os_index == out) {
    00058         hwloc_bitmap_copy(set, obj->cpuset);
    00059         goto out;
    00060       }
    00061   }
    00062   /* fallback to the full topology cpuset */
    00063   hwloc_bitmap_copy(set, hwloc_topology_get_complete_cpuset(topology));
    00064
    00065  out:
    00066   return 0;
    00067 }
    00068
    00077 static inline int
    00078 hwloc_mx_endpoint_get_device_cpuset(hwloc_topology_t topology,
    00079                                     mx_endpoint_t endpoint, hwloc_cpuset_t set)
    00080 {
    00081   uint64_t nid;
    00082   uint32_t nindex, eid;
    00083   mx_endpoint_addr_t eaddr;
    00084
    00085   if (mx_get_endpoint_addr(endpoint, &eaddr) != MX_SUCCESS) {
    00086     errno = EINVAL;
    00087     return -1;
    00088   }
    00089
    00090   if (mx_decompose_endpoint_addr(eaddr, &nid, &eid) != MX_SUCCESS) {
    00091     errno = EINVAL;
    00092     return -1;
    00093   }
    00094
    00095   if (mx_nic_id_to_board_number(nid, &nindex) != MX_SUCCESS) {
    00096     errno = EINVAL;
    00097     return -1;
    00098   }
    00099
    00100   return hwloc_mx_board_get_device_cpuset(topology, nindex, set);
    00101 }
    00102
    00106 #ifdef __cplusplus
    00107 } /* extern "C" */
    00108 #endif
    00109
    00110
    00111 #endif /* HWLOC_MYRIEXPRESS_H */