int
usdf_cq_open(struct fid_domain *domain, struct fi_cq_attr *attr,
struct fid_cq **cq_o, void *context)
{
struct usdf_cq *cq;
int ret;
if (attr->wait_obj != FI_WAIT_NONE) {
return -FI_ENOSYS;
}
cq = calloc(1, sizeof(*cq));
if (cq == NULL) {
return -FI_ENOMEM;
}
cq->cq_domain = container_of(domain, struct usdf_domain, dom_fid);
ret = usd_create_cq(cq->cq_domain->dom_dev, attr->size, USD_CQ_NO_GROUP,
-1, &cq->cq_cq);
if (ret != 0) {
goto fail;
}
cq->cq_fid.fid.fclass = FI_CLASS_CQ;
cq->cq_fid.fid.context = context;
cq->cq_fid.fid.ops = &usdf_cq_fi_ops;
switch (attr->format) {
case FI_CQ_FORMAT_CONTEXT:
cq->cq_fid.ops = &usdf_cq_context_ops;
break;
case FI_CQ_FORMAT_MSG:
cq->cq_fid.ops = &usdf_cq_msg_ops;
break;
case FI_CQ_FORMAT_DATA:
cq->cq_fid.ops = &usdf_cq_data_ops;
break;
default:
ret = -FI_ENOSYS;
goto fail;
}
*cq_o = &cq->cq_fid;
return 0;
fail:
if (cq != NULL) {
if (cq->cq_cq != NULL) {
usd_destroy_cq(cq->cq_cq);
}
free(cq);
}
return ret;
}
int
usdf_cq_open(struct fid_domain *domain, struct fi_cq_attr *attr,
struct fid_cq **cq_o, void *context)
{
struct usdf_cq *cq;
struct usdf_domain *udp;
int ret;
USDF_TRACE_SYS(CQ, "\n");
udp = dom_ftou(domain);
ret = usdf_cq_process_attr(attr, udp);
if (ret != 0) {
return ret;
}
cq = calloc(1, sizeof(*cq));
if (cq == NULL) {
return -FI_ENOMEM;
}
cq->cq_domain = udp;
cq->cq_fid.fid.fclass = FI_CLASS_CQ;
cq->cq_fid.fid.context = context;
cq->cq_fid.fid.ops = &usdf_cq_fi_ops;
atomic_initialize(&cq->cq_refcnt, 0);
switch (attr->format) {
case FI_CQ_FORMAT_CONTEXT:
cq->cq_fid.ops = &usdf_cq_context_ops;
break;
case FI_CQ_FORMAT_MSG:
cq->cq_fid.ops = &usdf_cq_msg_ops;
break;
case FI_CQ_FORMAT_DATA:
cq->cq_fid.ops = &usdf_cq_data_ops;
break;
default:
ret = -FI_ENOSYS;
goto fail;
}
cq->cq_attr = *attr;
*cq_o = &cq->cq_fid;
return 0;
fail:
if (cq != NULL) {
if (cq->c.hard.cq_cq != NULL) {
usd_destroy_cq(cq->c.hard.cq_cq);
}
free(cq);
}
return ret;
}
static int
usdf_cq_close(fid_t fid)
{
struct usdf_cq *cq;
struct usdf_cq_hard *hcq;
int ret;
USDF_TRACE_SYS(CQ, "\n");
cq = container_of(fid, struct usdf_cq, cq_fid.fid);
if (atomic_get(&cq->cq_refcnt) > 0) {
return -FI_EBUSY;
}
if (usdf_cq_is_soft(cq)) {
while (!TAILQ_EMPTY(&cq->c.soft.cq_list)) {
hcq = TAILQ_FIRST(&cq->c.soft.cq_list);
if (atomic_get(&hcq->cqh_refcnt) > 0) {
return -FI_EBUSY;
}
TAILQ_REMOVE(&cq->c.soft.cq_list, hcq, cqh_link);
if (hcq->cqh_ucq != NULL) {
ret = usd_destroy_cq(hcq->cqh_ucq);
if (ret != 0) {
return ret;
}
}
free(hcq);
}
} else {
if (cq->c.hard.cq_cq) {
ret = usd_destroy_cq(cq->c.hard.cq_cq);
if (ret != 0) {
return ret;
}
}
}
free(cq);
return 0;
}
static int
usdf_cq_close(fid_t fid)
{
struct usdf_cq *cq;
int ret;
cq = container_of(fid, struct usdf_cq, cq_fid.fid);
if (cq->cq_cq) {
ret = usd_destroy_cq(cq->cq_cq);
if (ret != 0) {
return ret;
}
}
free(cq);
return 0;
}