static void __nic_get_completed_txd(struct gnix_nic *nic,
gni_cq_handle_t hw_cq,
struct gnix_tx_descriptor **txd,
gni_return_t *tx_status)
{
gni_post_descriptor_t *gni_desc;
struct gnix_tx_descriptor *txd_p = NULL;
struct gnix_fab_req *req;
gni_return_t status;
int msg_id;
gni_cq_entry_t cqe;
uint32_t recov = 1;
if (__gnix_nic_txd_err_get(nic, &txd_p)) {
*txd = txd_p;
*tx_status = GNI_RC_TRANSACTION_ERROR;
return;
}
status = GNI_CqGetEvent(hw_cq, &cqe);
if (status == GNI_RC_NOT_DONE) {
*txd = NULL;
*tx_status = GNI_RC_NOT_DONE;
return;
}
assert(status == GNI_RC_SUCCESS ||
status == GNI_RC_TRANSACTION_ERROR);
if (unlikely(status == GNI_RC_TRANSACTION_ERROR)) {
status = GNI_CqErrorRecoverable(cqe, &recov);
if (status == GNI_RC_SUCCESS) {
if (!recov) {
char ebuf[512];
GNI_CqErrorStr(cqe, ebuf, sizeof(ebuf));
GNIX_WARN(FI_LOG_EP_DATA,
"CQ error status: %s\n",
ebuf);
}
} else {
GNIX_WARN(FI_LOG_EP_DATA,
"GNI_CqErrorRecover returned: %s\n",
gni_err_str[status]);
recov = 0; /* assume something bad has happened */
}
}
if (GNI_CQ_GET_TYPE(cqe) == GNI_CQ_EVENT_TYPE_POST) {
status = GNI_GetCompleted(hw_cq, cqe, &gni_desc);
assert(status == GNI_RC_SUCCESS ||
status == GNI_RC_TRANSACTION_ERROR);
txd_p = container_of(gni_desc,
struct gnix_tx_descriptor,
gni_desc);
} else if (GNI_CQ_GET_TYPE(cqe) == GNI_CQ_EVENT_TYPE_SMSG) {
static inline int
mca_btl_ugni_progress_rdma (mca_btl_ugni_module_t *ugni_module)
{
ompi_common_ugni_post_desc_t *desc;
mca_btl_ugni_base_frag_t *frag;
gni_cq_entry_t event_data = 0;
uint32_t recoverable = 1;
gni_return_t rc;
rc = GNI_CqGetEvent (ugni_module->rdma_local_cq, &event_data);
if (GNI_RC_NOT_DONE == rc) {
return 0;
}
if (OPAL_UNLIKELY((GNI_RC_SUCCESS != rc && !event_data) || GNI_CQ_OVERRUN(event_data))) {
/* TODO -- need to handle overrun -- how do we do this without an event?
will the event eventually come back? Ask Cray */
BTL_ERROR(("unhandled post error! ugni rc = %d", rc));
assert (0);
return ompi_common_rc_ugni_to_ompi (rc);
}
rc = GNI_GetCompleted (ugni_module->rdma_local_cq, event_data, (gni_post_descriptor_t **) &desc);
if (OPAL_UNLIKELY(GNI_RC_SUCCESS != rc && GNI_RC_TRANSACTION_ERROR != rc)) {
BTL_ERROR(("Error in GNI_GetComplete %s", gni_err_str[rc]));
return ompi_common_rc_ugni_to_ompi (rc);
}
frag = MCA_BTL_UGNI_DESC_TO_FRAG(desc);
if (OPAL_UNLIKELY(GNI_RC_SUCCESS != rc || !GNI_CQ_STATUS_OK(event_data))) {
(void) GNI_CqErrorRecoverable (event_data, &recoverable);
if (OPAL_UNLIKELY(++frag->post_desc.tries >= mca_btl_ugni_component.rdma_max_retries ||
!recoverable)) {
/* give up */
BTL_ERROR(("giving up on frag %p", (void *) frag));
frag->cbfunc (frag, OMPI_ERROR);
return OMPI_ERROR;
}
/* repost transaction */
mca_btl_ugni_repost (frag, OMPI_SUCCESS);
return 0;
}
BTL_VERBOSE(("RDMA/FMA complete for frag %p", (void *) frag));
frag->cbfunc (frag, ompi_common_rc_ugni_to_ompi (rc));
return 1;
}
void uct_ugni_progress(void *arg)
{
gni_cq_entry_t event_data = 0;
gni_post_descriptor_t *event_post_desc_ptr;
uct_ugni_base_desc_t *desc;
uct_ugni_iface_t * iface = (uct_ugni_iface_t *)arg;
gni_return_t ugni_rc;
ugni_rc = GNI_CqGetEvent(iface->local_cq, &event_data);
if (GNI_RC_NOT_DONE == ugni_rc) {
goto out;
}
if ((GNI_RC_SUCCESS != ugni_rc && !event_data) || GNI_CQ_OVERRUN(event_data)) {
ucs_error("GNI_CqGetEvent falied. Error status %s %d ",
gni_err_str[ugni_rc], ugni_rc);
return;
}
ugni_rc = GNI_GetCompleted(iface->local_cq, event_data, &event_post_desc_ptr);
if (GNI_RC_SUCCESS != ugni_rc && GNI_RC_TRANSACTION_ERROR != ugni_rc) {
ucs_error("GNI_GetCompleted falied. Error status %s %d %d",
gni_err_str[ugni_rc], ugni_rc, GNI_RC_TRANSACTION_ERROR);
return;
}
desc = (uct_ugni_base_desc_t *)event_post_desc_ptr;
ucs_trace_async("Completion received on %p", desc);
if (NULL != desc->comp_cb) {
uct_invoke_completion(desc->comp_cb, UCS_OK);
}
--iface->outstanding;
--desc->ep->outstanding;
if (ucs_likely(0 == desc->not_ready_to_free)) {
ucs_mpool_put(desc);
}
uct_ugni_ep_check_flush(desc->ep);
out:
/* have a go a processing the pending queue */
ucs_arbiter_dispatch(&iface->arbiter, 1, uct_ugni_ep_process_pending, NULL);
return;
}
void uct_ugni_progress(void *arg)
{
gni_cq_entry_t event_data = 0;
gni_post_descriptor_t *event_post_desc_ptr;
uct_ugni_base_desc_t *desc;
uct_ugni_iface_t * iface = (uct_ugni_iface_t *)arg;
gni_return_t ugni_rc;
ugni_rc = GNI_CqGetEvent(iface->local_cq, &event_data);
if (GNI_RC_NOT_DONE == ugni_rc) {
return;
}
if ((GNI_RC_SUCCESS != ugni_rc && !event_data) || GNI_CQ_OVERRUN(event_data)) {
ucs_error("GNI_CqGetEvent falied. Error status %s %d ",
gni_err_str[ugni_rc], ugni_rc);
return;
}
ugni_rc = GNI_GetCompleted(iface->local_cq, event_data, &event_post_desc_ptr);
if (GNI_RC_SUCCESS != ugni_rc && GNI_RC_TRANSACTION_ERROR != ugni_rc) {
ucs_error("GNI_GetCompleted falied. Error status %s %d %d",
gni_err_str[ugni_rc], ugni_rc, GNI_RC_TRANSACTION_ERROR);
return;
}
desc = (uct_ugni_base_desc_t *)event_post_desc_ptr;
ucs_trace_async("Completion received on %p", desc);
if (NULL != desc->comp_cb) {
uct_invoke_completion(desc->comp_cb);
}
--iface->outstanding;
--desc->ep->outstanding;
if (ucs_likely(desc->not_ready_to_free == 0)) {
ucs_mpool_put(desc);
}
return;
}
static inline int mca_btl_ugni_progress_rdma (mca_btl_ugni_module_t *ugni_module, int which_cq)
{
mca_btl_ugni_post_descriptor_t *post_desc = NULL;
gni_cq_entry_t event_data = 0;
gni_post_descriptor_t *desc;
uint32_t recoverable = 1;
gni_return_t grc;
gni_cq_handle_t the_cq;
the_cq = (which_cq == 0) ? ugni_module->rdma_local_cq : ugni_module->rdma_local_irq_cq;
OPAL_THREAD_LOCK(&ugni_module->device->dev_lock);
grc = GNI_CqGetEvent (the_cq, &event_data);
if (GNI_RC_NOT_DONE == grc) {
OPAL_THREAD_UNLOCK(&ugni_module->device->dev_lock);
return 0;
}
if (OPAL_UNLIKELY((GNI_RC_SUCCESS != grc && !event_data) || GNI_CQ_OVERRUN(event_data))) {
/* TODO -- need to handle overrun -- how do we do this without an event?
will the event eventually come back? Ask Cray */
BTL_ERROR(("unhandled post error! ugni rc = %d %s", grc, gni_err_str[grc]));
OPAL_THREAD_UNLOCK(&ugni_module->device->dev_lock);
return opal_common_rc_ugni_to_opal (grc);
}
grc = GNI_GetCompleted (the_cq, event_data, &desc);
OPAL_THREAD_UNLOCK(&ugni_module->device->dev_lock);
if (OPAL_UNLIKELY(GNI_RC_SUCCESS != grc && GNI_RC_TRANSACTION_ERROR != grc)) {
BTL_ERROR(("Error in GNI_GetComplete %s", gni_err_str[grc]));
return opal_common_rc_ugni_to_opal (grc);
}
post_desc = MCA_BTL_UGNI_DESC_TO_PDESC(desc);
if (OPAL_UNLIKELY(GNI_RC_SUCCESS != grc || !GNI_CQ_STATUS_OK(event_data))) {
(void) GNI_CqErrorRecoverable (event_data, &recoverable);
if (OPAL_UNLIKELY(++post_desc->desc.tries >= mca_btl_ugni_component.rdma_max_retries ||
!recoverable)) {
char char_buffer[1024];
GNI_CqErrorStr (event_data, char_buffer, 1024);
/* give up */
BTL_ERROR(("giving up on desciptor %p, recoverable %d: %s", (void *) post_desc,
recoverable, char_buffer));
#if OPAL_ENABLE_DEBUG
btl_ugni_dump_post_desc (post_desc);
#endif
mca_btl_ugni_post_desc_complete (ugni_module, post_desc, OPAL_ERROR);
return OPAL_ERROR;
}
mca_btl_ugni_repost (ugni_module, post_desc);
return 0;
}
mca_btl_ugni_post_desc_complete (ugni_module, post_desc, opal_common_rc_ugni_to_opal (grc));
return 1;
}
