static int gnix_domain_close(fid_t fid)
{
int ret = FI_SUCCESS, references_held;
struct gnix_fid_domain *domain;
GNIX_TRACE(FI_LOG_DOMAIN, "\n");
domain = container_of(fid, struct gnix_fid_domain, domain_fid.fid);
if (domain->domain_fid.fid.fclass != FI_CLASS_DOMAIN) {
ret = -FI_EINVAL;
goto err;
}
/* before checking the refcnt, flush the memory registration cache */
if (domain->mr_cache_ro) {
fastlock_acquire(&domain->mr_cache_lock);
ret = _gnix_mr_cache_flush(domain->mr_cache_ro);
if (ret != FI_SUCCESS) {
GNIX_WARN(FI_LOG_DOMAIN,
"failed to flush memory cache on domain close\n");
fastlock_release(&domain->mr_cache_lock);
goto err;
}
fastlock_release(&domain->mr_cache_lock);
}
if (domain->mr_cache_rw) {
fastlock_acquire(&domain->mr_cache_lock);
ret = _gnix_mr_cache_flush(domain->mr_cache_rw);
if (ret != FI_SUCCESS) {
GNIX_WARN(FI_LOG_DOMAIN,
"failed to flush memory cache on domain close\n");
fastlock_release(&domain->mr_cache_lock);
goto err;
}
fastlock_release(&domain->mr_cache_lock);
}
/*
* if non-zero refcnt, there are eps, mrs, and/or an eq associated
* with this domain which have not been closed.
*/
references_held = _gnix_ref_put(domain);
if (references_held) {
GNIX_INFO(FI_LOG_DOMAIN, "failed to fully close domain due to "
"lingering references. references=%i dom=%p\n",
references_held, domain);
}
GNIX_INFO(FI_LOG_DOMAIN, "gnix_domain_close invoked returning %d\n",
ret);
err:
return ret;
}
static int __cache_flush(struct gnix_fid_domain *domain)
{
int ret;
fastlock_acquire(&domain->mr_cache_lock);
ret = _gnix_mr_cache_flush(domain->mr_cache);
fastlock_release(&domain->mr_cache_lock);
return ret;
}
