RDMA/mlx5: Delete Q counter allocations command

Remove mlx5_ib implementation of Q counter allocation logic
together with cleaning boolean which controlled validity of the
counter. It is not needed, because counter_id == 0 means that
counter is not valid.

Reviewed-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>

diff --git a/drivers/infiniband/hw/mlx5/cmd.c b/drivers/infiniband/hw/mlx5/cmd.c
index 4c26492..a2fcbc4 100644 (file)
--- a/drivers/infiniband/hw/mlx5/cmd.c
+++ b/drivers/infiniband/hw/mlx5/cmd.c
@@ -327,23 +327,6 @@ int mlx5_cmd_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn, u16 uid)
        return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
 }
 
-int mlx5_cmd_alloc_q_counter(struct mlx5_core_dev *dev, u16 *counter_id,
-                            u16 uid)
-{
-       u32 in[MLX5_ST_SZ_DW(alloc_q_counter_in)]   = {0};
-       u32 out[MLX5_ST_SZ_DW(alloc_q_counter_out)] = {0};
-       int err;
-
-       MLX5_SET(alloc_q_counter_in, in, opcode, MLX5_CMD_OP_ALLOC_Q_COUNTER);
-       MLX5_SET(alloc_q_counter_in, in, uid, uid);
-
-       err = mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
-       if (!err)
-               *counter_id = MLX5_GET(alloc_q_counter_out, out,
-                                      counter_set_id);
-       return err;
-}
-
 int mlx5_cmd_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
                     u16 opmod, u8 port)
 {

diff --git a/drivers/infiniband/hw/mlx5/cmd.h b/drivers/infiniband/hw/mlx5/cmd.h
index 945ebce..43079b1 100644 (file)
--- a/drivers/infiniband/hw/mlx5/cmd.h
+++ b/drivers/infiniband/hw/mlx5/cmd.h
@@ -61,8 +61,6 @@ int mlx5_cmd_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid,
                        u32 qpn, u16 uid);
 int mlx5_cmd_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn, u16 uid);
 int mlx5_cmd_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn, u16 uid);
-int mlx5_cmd_alloc_q_counter(struct mlx5_core_dev *dev, u16 *counter_id,
-                            u16 uid);
 int mlx5_cmd_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb,
                     u16 opmod, u8 port);
 #endif /* MLX5_IB_CMD_H */

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index b02d027..76ea756 100644 (file)
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -5449,7 +5449,7 @@ static void mlx5_ib_dealloc_counters(struct mlx5_ib_dev *dev)
                 MLX5_CMD_OP_DEALLOC_Q_COUNTER);
 
        for (i = 0; i < num_cnt_ports; i++) {
-               if (dev->port[i].cnts.set_id_valid) {
+               if (dev->port[i].cnts.set_id) {
                        MLX5_SET(dealloc_q_counter_in, in, counter_set_id,
                                 dev->port[i].cnts.set_id);
                        mlx5_cmd_exec_in(dev->mdev, dealloc_q_counter, in);
@@ -5562,11 +5562,14 @@ static void mlx5_ib_fill_counters(struct mlx5_ib_dev *dev,
 
 static int mlx5_ib_alloc_counters(struct mlx5_ib_dev *dev)
 {
+       u32 out[MLX5_ST_SZ_DW(alloc_q_counter_out)] = {};
+       u32 in[MLX5_ST_SZ_DW(alloc_q_counter_in)] = {};
        int num_cnt_ports;
        int err = 0;
        int i;
        bool is_shared;
 
+       MLX5_SET(alloc_q_counter_in, in, opcode, MLX5_CMD_OP_ALLOC_Q_COUNTER);
        is_shared = MLX5_CAP_GEN(dev->mdev, log_max_uctx) != 0;
        num_cnt_ports = is_mdev_switchdev_mode(dev->mdev) ? 1 : dev->num_ports;
 
@@ -5578,17 +5581,19 @@ static int mlx5_ib_alloc_counters(struct mlx5_ib_dev *dev)
                mlx5_ib_fill_counters(dev, dev->port[i].cnts.names,
                                      dev->port[i].cnts.offsets);
 
-               err = mlx5_cmd_alloc_q_counter(dev->mdev,
-                                              &dev->port[i].cnts.set_id,
-                                              is_shared ?
-                                              MLX5_SHARED_RESOURCE_UID : 0);
+               MLX5_SET(alloc_q_counter_in, in, uid,
+                        is_shared ? MLX5_SHARED_RESOURCE_UID : 0);
+
+               err = mlx5_cmd_exec_inout(dev->mdev, alloc_q_counter, in, out);
                if (err) {
                        mlx5_ib_warn(dev,
                                     "couldn't allocate queue counter for port %d, err %d\n",
                                     i + 1, err);
                        goto err_alloc;
                }
-               dev->port[i].cnts.set_id_valid = true;
+
+               dev->port[i].cnts.set_id =
+                       MLX5_GET(alloc_q_counter_out, out, counter_set_id);
        }
        return 0;
 
@@ -5785,16 +5790,20 @@ static int mlx5_ib_counter_bind_qp(struct rdma_counter *counter,
                                   struct ib_qp *qp)
 {
        struct mlx5_ib_dev *dev = to_mdev(qp->device);
-       u16 cnt_set_id = 0;
        int err;
 
        if (!counter->id) {
-               err = mlx5_cmd_alloc_q_counter(dev->mdev,
-                                              &cnt_set_id,
-                                              MLX5_SHARED_RESOURCE_UID);
+               u32 out[MLX5_ST_SZ_DW(alloc_q_counter_out)] = {};
+               u32 in[MLX5_ST_SZ_DW(alloc_q_counter_in)] = {};
+
+               MLX5_SET(alloc_q_counter_in, in, opcode,
+                        MLX5_CMD_OP_ALLOC_Q_COUNTER);
+               MLX5_SET(alloc_q_counter_in, in, uid, MLX5_SHARED_RESOURCE_UID);
+               err = mlx5_cmd_exec_inout(dev->mdev, alloc_q_counter, in, out);
                if (err)
                        return err;
-               counter->id = cnt_set_id;
+               counter->id =
+                       MLX5_GET(alloc_q_counter_out, out, counter_set_id);
        }
 
        err = mlx5_ib_qp_set_counter(qp, counter);

diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h
index a4e5223..cb2a021 100644 (file)
--- a/drivers/infiniband/hw/mlx5/mlx5_ib.h
+++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h
@@ -780,7 +780,6 @@ struct mlx5_ib_counters {
        u32 num_cong_counters;
        u32 num_ext_ppcnt_counters;
        u16 set_id;
-       bool set_id_valid;
 };
 
 struct mlx5_ib_multiport_info;