int ofix_getinfo(uint32_t version, const char *node, const char *service,
uint64_t flags, const struct util_prov *util_prov,
struct fi_info *hints,
ofi_alter_info_t alter_layer_info,
ofi_alter_info_t alter_base_info,
int get_base_info, struct fi_info **info)
{
struct fi_info *base_hints = NULL, *base_info;
struct fi_info *temp = NULL, *fi, *tail = NULL;
int ret;
ret = ofi_check_info(util_prov, hints, FI_MATCH_PREFIX);
if (ret)
goto err1;
ret = ofix_alter_layer_info(util_prov->prov, util_prov->info, hints,
alter_layer_info, &base_hints);
if (ret)
goto err1;
ret = fi_getinfo(version, node, service, flags, base_hints, &base_info);
if (ret)
goto err2;
if (get_base_info) {
*info = base_info;
} else {
for (fi = base_info; fi; fi = fi->next) {
ret = ofix_alter_base_info(util_prov->prov, util_prov->info,
fi, alter_base_info, &temp);
if (ret)
goto err3;
ofi_alter_info(temp, hints);
if (!tail)
*info = temp;
else
tail->next = temp;
tail = temp;
}
fi_freeinfo(base_info);
}
fi_freeinfo(base_hints);
return 0;
err3:
fi_freeinfo(*info);
err2:
fi_freeinfo(base_hints);
err1:
return -FI_ENODATA;
}
/* if there are multiple fi_info in the provider:
* check provider's info */
int ofi_prov_check_info(const struct util_prov *util_prov,
uint32_t api_version,
const struct fi_info *user_info)
{
const struct fi_info *prov_info = util_prov->info;
size_t success_info = 0;
int ret;
if (!user_info)
return FI_SUCCESS;
for ( ; prov_info; prov_info = prov_info->next) {
ret = ofi_check_info(util_prov, prov_info,
api_version, user_info);
if (!ret)
success_info++;
}
return (!success_info ? -FI_ENODATA : FI_SUCCESS);
}
/* if there are multiple fi_info in the provider:
* check and duplicate provider's info */
int ofi_prov_check_dup_info(const struct util_prov *util_prov,
uint32_t api_version,
const struct fi_info *user_info,
struct fi_info **info)
{
const struct fi_info *prov_info = util_prov->info;
const struct fi_provider *prov = util_prov->prov;
struct fi_info *fi, *tail;
int ret;
if (!info)
return -FI_EINVAL;
*info = tail = NULL;
for ( ; prov_info; prov_info = prov_info->next) {
ret = ofi_check_info(util_prov, prov_info,
api_version, user_info);
if (ret)
continue;
if (!(fi = fi_dupinfo(prov_info))) {
ret = -FI_ENOMEM;
goto err;
}
if (!*info)
*info = fi;
else
tail->next = fi;
tail = fi;
}
return (!*info ? -FI_ENODATA : FI_SUCCESS);
err:
fi_freeinfo(*info);
FI_INFO(prov, FI_LOG_CORE,
"cannot copy info\n");
return ret;
}