net/mlx5_core: Move completion eqs from mlx5_ib to mlx5_core

Preparation for ethernet driver.
These functions will be used in drivers other than mlx5_ib.

Signed-off-by: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/infiniband/hw/mlx5/main.c

@@ -62,95 +62,6 @@ static char mlx5_version[] =
 	DRIVER_NAME ": Mellanox Connect-IB Infiniband driver v"
 	DRIVER_VERSION " (" DRIVER_RELDATE ")\n";
 
-int mlx5_vector2eqn(struct mlx5_ib_dev *dev, int vector, int *eqn, int *irqn)
-{
-	struct mlx5_eq_table *table = &dev->mdev->priv.eq_table;
-	struct mlx5_eq *eq, *n;
-	int err = -ENOENT;
-
-	spin_lock(&table->lock);
-	list_for_each_entry_safe(eq, n, &dev->eqs_list, list) {
-		if (eq->index == vector) {
-			*eqn = eq->eqn;
-			*irqn = eq->irqn;
-			err = 0;
-			break;
-		}
-	}
-	spin_unlock(&table->lock);
-
-	return err;
-}
-
-static int alloc_comp_eqs(struct mlx5_ib_dev *dev)
-{
-	struct mlx5_eq_table *table = &dev->mdev->priv.eq_table;
-	char name[MLX5_MAX_EQ_NAME];
-	struct mlx5_eq *eq, *n;
-	int ncomp_vec;
-	int nent;
-	int err;
-	int i;
-
-	INIT_LIST_HEAD(&dev->eqs_list);
-	ncomp_vec = table->num_comp_vectors;
-	nent = MLX5_COMP_EQ_SIZE;
-	for (i = 0; i < ncomp_vec; i++) {
-		eq = kzalloc(sizeof(*eq), GFP_KERNEL);
-		if (!eq) {
-			err = -ENOMEM;
-			goto clean;
-		}
-
-		snprintf(name, MLX5_MAX_EQ_NAME, "mlx5_comp%d", i);
-		err = mlx5_create_map_eq(dev->mdev, eq,
-					 i + MLX5_EQ_VEC_COMP_BASE, nent, 0,
-					 name, &dev->mdev->priv.uuari.uars[0]);
-		if (err) {
-			kfree(eq);
-			goto clean;
-		}
-		mlx5_ib_dbg(dev, "allocated completion EQN %d\n", eq->eqn);
-		eq->index = i;
-		spin_lock(&table->lock);
-		list_add_tail(&eq->list, &dev->eqs_list);
-		spin_unlock(&table->lock);
-	}
-
-	dev->num_comp_vectors = ncomp_vec;
-	return 0;
-
-clean:
-	spin_lock(&table->lock);
-	list_for_each_entry_safe(eq, n, &dev->eqs_list, list) {
-		list_del(&eq->list);
-		spin_unlock(&table->lock);
-		if (mlx5_destroy_unmap_eq(dev->mdev, eq))
-			mlx5_ib_warn(dev, "failed to destroy EQ 0x%x\n", eq->eqn);
-		kfree(eq);
-		spin_lock(&table->lock);
-	}
-	spin_unlock(&table->lock);
-	return err;
-}
-
-static void free_comp_eqs(struct mlx5_ib_dev *dev)
-{
-	struct mlx5_eq_table *table = &dev->mdev->priv.eq_table;
-	struct mlx5_eq *eq, *n;
-
-	spin_lock(&table->lock);
-	list_for_each_entry_safe(eq, n, &dev->eqs_list, list) {
-		list_del(&eq->list);
-		spin_unlock(&table->lock);
-		if (mlx5_destroy_unmap_eq(dev->mdev, eq))
-			mlx5_ib_warn(dev, "failed to destroy EQ 0x%x\n", eq->eqn);
-		kfree(eq);
-		spin_lock(&table->lock);
-	}
-	spin_unlock(&table->lock);
-}
-
 static int mlx5_ib_query_device(struct ib_device *ibdev,
 				struct ib_device_attr *props)
 {
@@ -1291,10 +1202,6 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
 
 	get_ext_port_caps(dev);
 
-	err = alloc_comp_eqs(dev);
-	if (err)
-		goto err_dealloc;
-
 	MLX5_INIT_DOORBELL_LOCK(&dev->uar_lock);
 
 	strlcpy(dev->ib_dev.name, "mlx5_%d", IB_DEVICE_NAME_MAX);
@@ -1303,7 +1210,8 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
 	dev->ib_dev.local_dma_lkey	= mdev->caps.gen.reserved_lkey;
 	dev->num_ports		= mdev->caps.gen.num_ports;
 	dev->ib_dev.phys_port_cnt     = dev->num_ports;
-	dev->ib_dev.num_comp_vectors	= dev->num_comp_vectors;
+	dev->ib_dev.num_comp_vectors    =
+		dev->mdev->priv.eq_table.num_comp_vectors;
 	dev->ib_dev.dma_device	= &mdev->pdev->dev;
 
 	dev->ib_dev.uverbs_abi_ver	= MLX5_IB_UVERBS_ABI_VERSION;
@@ -1390,13 +1298,13 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
 
 	err = init_node_data(dev);
 	if (err)
-		goto err_eqs;
+		goto err_dealloc;
 
 	mutex_init(&dev->cap_mask_mutex);
 
 	err = create_dev_resources(&dev->devr);
 	if (err)
-		goto err_eqs;
+		goto err_dealloc;
 
 	err = mlx5_ib_odp_init_one(dev);
 	if (err)
@@ -1433,9 +1341,6 @@ err_odp:
 err_rsrc:
 	destroy_dev_resources(&dev->devr);
 
-err_eqs:
-	free_comp_eqs(dev);
-
 err_dealloc:
 	ib_dealloc_device((struct ib_device *)dev);
 
@@ -1450,7 +1355,6 @@ static void mlx5_ib_remove(struct mlx5_core_dev *mdev, void *context)
 	destroy_umrc_res(dev);
 	mlx5_ib_odp_remove_one(dev);
 	destroy_dev_resources(&dev->devr);
-	free_comp_eqs(dev);
 	ib_dealloc_device(&dev->ib_dev);
 }