This patch adds support to query FW for the HW SRQ table start/end, and
advertise that for ULDs.
Signed-off-by: Raju Rangoju <rajur@xxxxxxxxxxx>
Reviewed-by: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 20 ++++++++++++++++++++
drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h | 1 +
2 files changed, 21 insertions(+)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 7b452e85de2a..6ee75638b920 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -75,6 +75,7 @@
#include "t4fw_api.h"
#include "t4fw_version.h"
#include "cxgb4_dcb.h"
+#include "srq.h"
#include "cxgb4_debugfs.h"
#include "clip_tbl.h"
#include "l2t.h"
@@ -583,6 +584,10 @@ static int fwevtq_handler(struct sge_rspq *q, const __be64 *rsp,
const struct cpl_abort_rpl_rss *p = (void *)rsp;
hash_del_filter_rpl(q->adap, p);
+ } else if (opcode == CPL_SRQ_TABLE_RPL) {
+ const struct cpl_srq_table_rpl *p = (void *)rsp;
+
+ do_srq_table_rpl(q->adap, p);
} else
dev_err(q->adap->pdev_dev,
"unexpected CPL %#x on FW event queue\n", opcode);
@@ -4236,6 +4241,20 @@ static int adap_init0(struct adapter *adap)
adap->vres.pbl.start = val[4];
adap->vres.pbl.size = val[5] - val[4] + 1;
+ params[0] = FW_PARAM_PFVF(SRQ_START);
+ params[1] = FW_PARAM_PFVF(SRQ_END);
+ ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 2,
+ params, val);
+ if (!ret) {
+ adap->vres.srq.start = val[0];
+ adap->vres.srq.size = val[1] - val[0] + 1;
+ }
+ if (adap->vres.srq.size) {
+ adap->srq = t4_init_srq(adap->vres.srq.size);
+ if (!adap->srq)
+ dev_warn(&adap->pdev->dev, "could not allocate SRQ, continuing\n");
+ }
+
params[0] = FW_PARAM_PFVF(SQRQ_START);
params[1] = FW_PARAM_PFVF(SQRQ_END);
params[2] = FW_PARAM_PFVF(CQ_START);
@@ -4903,6 +4922,7 @@ static void free_some_resources(struct adapter *adapter)
kvfree(adapter->smt);
kvfree(adapter->l2t);
+ kvfree(adapter->srq);
t4_cleanup_sched(adapter);
kvfree(adapter->tids.tid_tab);
cxgb4_cleanup_tc_flower(adapter);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
index a14e8db51cdc..c77461d0d519 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
@@ -283,6 +283,7 @@ struct cxgb4_virt_res { /* virtualized HW resources */
struct cxgb4_range iscsi;
struct cxgb4_range stag;
struct cxgb4_range rq;
+ struct cxgb4_range srq;
struct cxgb4_range pbl;
struct cxgb4_range qp;
struct cxgb4_range cq;
--
2.12.0
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