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/**
* Copyright (C) Mellanox Technologies Ltd. 2019. ALL RIGHTS RESERVED.
*
* See file LICENSE for terms.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <sys/mman.h>
#include <dlfcn.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <ucp/api/ucp.h>
#include <uct/api/uct.h>
#include <uct/base/uct_component.h>
#define _QUOTE(x) #x
#define QUOTE(x) _QUOTE(x)
int test_ucp_init(void *handle)
{
typedef ucs_status_t (*ucp_init_version_func_t)(unsigned, unsigned,
const ucp_params_t *,
const ucp_config_t *,
ucp_context_h *);
typedef void (*ucp_cleanup_func_t)(ucp_context_h);
typedef ucs_status_t (*uct_query_components_func_t)(uct_component_h **components_p,
unsigned *num_components_p);
typedef void (*uct_release_component_list_func_t)(uct_component_h *
components);
ucp_init_version_func_t ucp_init_version_f;
ucp_cleanup_func_t ucp_cleanup_f;
ucp_params_t ucp_params;
ucs_status_t status;
ucp_context_h ucph;
uct_query_components_func_t uct_query_components_f;
uct_release_component_list_func_t uct_release_component_list_f;
uct_component_h *uct_components;
unsigned num_uct_components, i;
ucp_init_version_f = (ucp_init_version_func_t)dlsym(handle,
"ucp_init_version");
ucp_cleanup_f = (ucp_cleanup_func_t)dlsym(handle, "ucp_cleanup");
uct_query_components_f = (uct_query_components_func_t)
dlsym(handle, "uct_query_components");
uct_release_component_list_f = (uct_release_component_list_func_t)
dlsym(handle, "uct_release_component_list");
if (!ucp_init_version_f || !ucp_cleanup_f || !uct_query_components_f ||
!uct_release_component_list_f) {
fprintf(stderr, "failed to get UCP function pointers\n");
return -1;
}
ucp_params.field_mask = UCP_PARAM_FIELD_FEATURES;
ucp_params.features = UCP_FEATURE_RMA;
status = ucp_init_version_f(UCP_API_MAJOR, UCP_API_MINOR, &ucp_params,
NULL, &ucph);
if (status != UCS_OK) {
fprintf(stderr, "ucp_init_version() failed\n");
return -1;
}
status = uct_query_components_f(&uct_components, &num_uct_components);
if (status != UCS_OK) {
fprintf(stderr, "Could not query UCT components\n");
return -1;
}
for (i = 0; i < num_uct_components; ++i) {
printf("Found component: %s\n", uct_components[i]->name);
}
uct_release_component_list_f(uct_components);
ucp_cleanup_f(ucph);
return 0;
}
int main(int argc, char **argv)
{
const char *filename = QUOTE(LIB_PATH);
void *handle;
void *ptr1, *ptr2;
size_t alloc_size;
long ret;
/* get page size */
ret = sysconf(_SC_PAGESIZE);
if (ret < 0) {
fprintf(stderr, "sysconf(_SC_PAGESIZE) failed: %m\n");
return -1;
}
alloc_size = ret;
/* allocate some memory */
ptr1 = malloc(alloc_size);
if (!ptr1) {
fprintf(stderr, "malloc() failed\n");
return -1;
}
ptr2 = mmap(NULL, alloc_size, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
if (ptr2 == MAP_FAILED) {
fprintf(stderr, "mmap() failed: %m\n");
ret = -1;
goto failed_mmap;
}
/* load ucp */
printf("opening '%s'\n", filename);
handle = dlopen(filename, RTLD_NOW | RTLD_LOCAL);
if (handle == NULL) {
fprintf(stderr, "failed to open %s: %m\n", filename);
ret = -1;
goto failed_dlopen;
}
/* init ucp */
ret = test_ucp_init(handle);
/* unload ucp */
dlclose(handle);
failed_dlopen:
/* release the memory - could break if UCM is unloaded */
munmap(ptr2, alloc_size);
failed_mmap:
free(ptr1);
printf("done\n");
return ret;
}
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