int isert_pdu_send(struct isert_connection *isert_conn,
struct isert_cmnd *tx_pdu)
{
int err;
struct isert_wr *wr;
TRACE_ENTRY();
#ifdef CONFIG_SCST_EXTRACHECKS
EXTRACHECKS_BUG_ON(!isert_conn);
EXTRACHECKS_BUG_ON(!tx_pdu);
#endif
wr = &tx_pdu->wr[0];
wr->send_wr.num_sge = isert_pdu_prepare_send(isert_conn, tx_pdu);
err = isert_post_send(isert_conn, wr, 1);
if (unlikely(err)) {
pr_err("Failed to send pdu conn:%p pdu:%p err:%d\n",
isert_conn, tx_pdu, err);
}
TRACE_EXIT_RES(err);
return err;
}
static int isert_receive_cmnd_data(struct iscsi_cmnd *cmnd)
{
#ifdef CONFIG_SCST_EXTRACHECKS
if (cmnd->scst_state == ISCSI_CMD_STATE_RX_CMD)
TRACE_DBG("cmnd %p is still in RX_CMD state",
cmnd);
#endif
EXTRACHECKS_BUG_ON(cmnd->scst_state != ISCSI_CMD_STATE_AFTER_PREPROC);
return 0;
}
void isert_tx_pdu_convert_from_iscsi(struct isert_cmnd *isert_cmnd,
struct iscsi_cmnd *iscsi_cmnd)
{
struct iscsi_pdu *iscsi_pdu = &iscsi_cmnd->pdu;
TRACE_ENTRY();
memcpy(isert_cmnd->bhs, &iscsi_pdu->bhs, sizeof(*isert_cmnd->bhs));
if (unlikely(iscsi_pdu->ahssize)) {
isert_cmnd->ahs = isert_cmnd->bhs + 1;
memcpy(isert_cmnd->ahs, iscsi_pdu->ahs, iscsi_pdu->ahssize);
}
#ifdef CONFIG_SCST_EXTRACHECKS
if (iscsi_cmnd->bufflen)
EXTRACHECKS_BUG_ON(!iscsi_cmnd->sg);
#endif
TRACE_EXIT();
return;
}
