Test(utils, alps)
{
int rc;
uint8_t ptag;
uint32_t cookie, fmas, cqs, npes, npr;
void *addr = NULL;
_gnix_alps_cleanup();
rc = gnixu_get_rdma_credentials(addr, &ptag, &cookie);
cr_expect(!rc);
rc = _gnix_job_fma_limit(0, ptag, &fmas);
cr_expect(!rc);
rc = _gnix_job_cq_limit(0, ptag, &cqs);
cr_expect(!rc);
rc = _gnix_pes_on_node(&npes);
cr_expect(!rc);
rc = _gnix_nics_per_rank(&npr);
cr_expect(!rc);
cqs /= GNIX_CQS_PER_EP;
cr_expect(((fmas > cqs ? cqs : fmas) / npes) == npr);
_gnix_alps_cleanup();
}
int _gnix_nics_per_rank(uint32_t *nics_per_rank)
{
int rc;
uint32_t npes, fmas, cqs, limiting_resource;
if (!nics_per_rank) {
return -FI_EINVAL;
}
rc = __gnix_app_init();
if (rc) {
GNIX_WARN(FI_LOG_FABRIC,
"__gnix_app_init() failed, ret=%d(%s)\n",
rc, strerror(errno));
return rc;
}
rc = _gnix_job_fma_limit(gnix_device_id, gnix_app_ptag, &fmas);
if (rc) {
return rc;
}
rc = _gnix_job_cq_limit(gnix_device_id, gnix_app_ptag, &cqs);
if (rc) {
return rc;
}
gnix_cq_limit = cqs;
cqs /= GNIX_CQS_PER_EP;
rc = _gnix_pes_on_node(&npes);
if (rc) {
return rc;
}
limiting_resource = fmas > cqs ? cqs : fmas;
*nics_per_rank = limiting_resource / npes;
return FI_SUCCESS;
}