qed: Add srq core support for RoCE and iWARP

This patch adds support for configuring SRQ and provides the necessary
APIs for rdma upper layer driver (qedr) to enable the SRQ feature.

Signed-off-by: Michal Kalderon <michal.kalderon@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: Yuval Bason <yuval.bason@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 11 insertions, 1 deletions

diff --git a/include/linux/qed/qed_rdma_if.h b/include/linux/qed/qed_rdma_if.h
index 4dd72ba210f5..e05e320d28b7 100644
--- a/include/linux/qed/qed_rdma_if.h
+++ b/include/linux/qed/qed_rdma_if.h
@@ -485,7 +485,9 @@ enum qed_iwarp_event_type {
         QED_IWARP_EVENT_ACTIVE_MPA_REPLY,
         QED_IWARP_EVENT_LOCAL_ACCESS_ERROR,
         QED_IWARP_EVENT_REMOTE_OPERATION_ERROR,
-        QED_IWARP_EVENT_TERMINATE_RECEIVED
+        QED_IWARP_EVENT_TERMINATE_RECEIVED,
+        QED_IWARP_EVENT_SRQ_LIMIT,
+        QED_IWARP_EVENT_SRQ_EMPTY,
 };
 
 enum qed_tcp_ip_version {
@@ -646,6 +648,14 @@ struct qed_rdma_ops {
         int (*rdma_alloc_tid)(void *rdma_cxt, u32 *itid);
         void (*rdma_free_tid)(void *rdma_cxt, u32 itid);
 
+        int (*rdma_create_srq)(void *rdma_cxt,
+                               struct qed_rdma_create_srq_in_params *iparams,
+                               struct qed_rdma_create_srq_out_params *oparams);
+        int (*rdma_destroy_srq)(void *rdma_cxt,
+                                struct qed_rdma_destroy_srq_in_params *iparams);
+        int (*rdma_modify_srq)(void *rdma_cxt,
+                               struct qed_rdma_modify_srq_in_params *iparams);
+
         int (*ll2_acquire_connection)(void *rdma_cxt,
                                       struct qed_ll2_acquire_data *data);