[PATCH 1/2] cxgb4: advertise support for FR_NSMR_TPTE_WR

[Steve Wise]

Query firmware for the FW_PARAMS_PARAM_DEV_RI_FR_NSMR_TPTE_WR parameter.
If it exists and is 1, then advertise support for FR_NSMR_TPTE_WR to
the ULDs.

Signed-off-by: Steve Wise <sw...@opengridcomputing.com>
---
 drivers/net/ethernet/chelsio/cxgb4/cxgb4.h      | 1 +
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 7 +++++++
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h  | 1 +
 drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h   | 1 +
 4 files changed, 10 insertions(+)

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h 
b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index 2e2aa9f..65207b3 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -346,6 +346,7 @@ struct adapter_params {
 
        unsigned int max_ordird_qp;       /* Max read depth per RDMA QP */
        unsigned int max_ird_adapter;     /* Max read depth per adapter */
+       bool fr_nsmr_tpte_wr_support;     /* FW support for FR_NSMR_TPTE_WR */
 };
 
 /* State needed to monitor the forward progress of SGE Ingress DMA activities
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c 
b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index c762a8c..37e0c82 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -2517,6 +2517,7 @@ static void uld_attach(struct adapter *adap, unsigned int 
uld)
        lli.max_ird_adapter = adap->params.max_ird_adapter;
        lli.ulptx_memwrite_dsgl = adap->params.ulptx_memwrite_dsgl;
        lli.nodeid = dev_to_node(adap->pdev_dev);
+       lli.fr_nsmr_tpte_wr_support = adap->params.fr_nsmr_tpte_wr_support;
 
        handle = ulds[uld].add(&lli);
        if (IS_ERR(handle)) {
@@ -4016,6 +4017,12 @@ static int adap_init0(struct adapter *adap)
                adap->params.ulptx_memwrite_dsgl = (ret == 0 && val[0] != 0);
        }
 
+       /* See if FW supports FW_RI_FR_NSMR_TPTE_WR work request */
+       params[0] = FW_PARAM_DEV(RI_FR_NSMR_TPTE_WR);
+       ret = t4_query_params(adap, adap->mbox, adap->pf, 0,
+                             1, params, val);
+       adap->params.fr_nsmr_tpte_wr_support = (ret == 0 && val[0] != 0);
+
        /*
         * Get device capabilities so we can determine what resources we need
         * to manage.
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h 
b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
index f3c58aa..42e73f7 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
@@ -280,6 +280,7 @@ struct cxgb4_lld_info {
        unsigned int iscsi_llimit;           /* chip's iscsi region llimit */
        void **iscsi_ppm;                    /* iscsi page pod manager */
        int nodeid;                          /* device numa node id */
+       bool fr_nsmr_tpte_wr_support;        /* FW supports FR_NSMR_TPTE_WR */
 };
 
 struct cxgb4_uld_info {
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h 
b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
index a89b307..9164d20 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
@@ -1119,6 +1119,7 @@ enum fw_params_param_dev {
        FW_PARAMS_PARAM_DEV_MAXIRD_ADAPTER = 0x14, /* max supported adap IRD */
        FW_PARAMS_PARAM_DEV_ULPTX_MEMWRITE_DSGL = 0x17,
        FW_PARAMS_PARAM_DEV_FWCACHE = 0x18,
+       FW_PARAMS_PARAM_DEV_RI_FR_NSMR_TPTE_WR  = 0x1C,
 };
 
 /*
-- 
2.7.0