MFC r316774:

cxgbe: Query some more RDMA related parameters from the firmware.

Sponsored by:	Chelsio Communications

3 files changed, 19 insertions, 0 deletions

diff --git a/sys/dev/cxgbe/common/common.h b/sys/dev/cxgbe/common/common.h
index 04fdeb1..e113b76 100644
--- a/sys/dev/cxgbe/common/common.h
+++ b/sys/dev/cxgbe/common/common.h
@@ -366,6 +366,9 @@ struct adapter_params {
 
 	unsigned int ofldq_wr_cred;
 	unsigned int eo_wr_cred;
+
+	unsigned int max_ordird_qp;
+	unsigned int max_ird_adapter;
 };
 
 #define CHELSIO_T4		0x4
diff --git a/sys/dev/cxgbe/offload.h b/sys/dev/cxgbe/offload.h
index cb0006c..9c0dd7a 100644
--- a/sys/dev/cxgbe/offload.h
+++ b/sys/dev/cxgbe/offload.h
@@ -121,6 +121,7 @@ struct t4_virt_res {                      /* virtualized HW resources */
 	struct t4_range pbl;
 	struct t4_range qp;
 	struct t4_range cq;
+	struct t4_range srq;
 	struct t4_range ocq;
 	struct t4_range l2t;
 };
diff --git a/sys/dev/cxgbe/t4_main.c b/sys/dev/cxgbe/t4_main.c
index 07c2265..97505e8 100644
--- a/sys/dev/cxgbe/t4_main.c
+++ b/sys/dev/cxgbe/t4_main.c
@@ -3490,6 +3490,21 @@ get_params__post_init(struct adapter *sc)
 		sc->vres.cq.size = val[3] - val[2] + 1;
 		sc->vres.ocq.start = val[4];
 		sc->vres.ocq.size = val[5] - val[4] + 1;
+
+		param[0] = FW_PARAM_PFVF(SRQ_START);
+		param[1] = FW_PARAM_PFVF(SRQ_END);
+		param[2] = FW_PARAM_DEV(MAXORDIRD_QP);
+		param[3] = FW_PARAM_DEV(MAXIRD_ADAPTER);
+		rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 4, param, val);
+		if (rc != 0) {
+			device_printf(sc->dev,
+			    "failed to query RDMA parameters(3): %d.\n", rc);
+			return (rc);
+		}
+		sc->vres.srq.start = val[0];
+		sc->vres.srq.size = val[1] - val[0] + 1;
+		sc->params.max_ordird_qp = val[2];
+		sc->params.max_ird_adapter = val[3];
 	}
 	if (sc->iscsicaps) {
 		param[0] = FW_PARAM_PFVF(ISCSI_START);