net/mlx5: Organize device list API in one place
authorMohamad Haj Yahia <mohamad@mellanox.com>
Fri, 9 Sep 2016 14:35:27 +0000 (17:35 +0300)
committerDavid S. Miller <davem@davemloft.net>
Sun, 11 Sep 2016 04:21:50 +0000 (21:21 -0700)
Hide the exposed (external) mlx5_dev_list and mlx5_intf_mutex and expose
an organized modular API to manage and manipulate mlx5 devices list.

Signed-off-by: Mohamad Haj Yahia <mohamad@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/mellanox/mlx5/core/Makefile
drivers/net/ethernet/mellanox/mlx5/core/dev.c [new file with mode: 0644]
drivers/net/ethernet/mellanox/mlx5/core/lag.c
drivers/net/ethernet/mellanox/mlx5/core/main.c
drivers/net/ethernet/mellanox/mlx5/core/mlx5_core.h

index dad326ccd4dd9868240db572c0601119aafa36b1..0343725d7f44a84fffd7063df578da8fe1211254 100644 (file)
@@ -3,7 +3,7 @@ obj-$(CONFIG_MLX5_CORE)         += mlx5_core.o
 mlx5_core-y := main.o cmd.o debugfs.o fw.o eq.o uar.o pagealloc.o \
                health.o mcg.o cq.o srq.o alloc.o qp.o port.o mr.o pd.o \
                mad.o transobj.o vport.o sriov.o fs_cmd.o fs_core.o \
-               fs_counters.o rl.o lag.o
+               fs_counters.o rl.o lag.o dev.o
 
 mlx5_core-$(CONFIG_MLX5_CORE_EN) += wq.o eswitch.o eswitch_offloads.o \
                en_main.o en_common.o en_fs.o en_ethtool.o en_tx.o \
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/dev.c b/drivers/net/ethernet/mellanox/mlx5/core/dev.c
new file mode 100644 (file)
index 0000000..a9dbc28
--- /dev/null
@@ -0,0 +1,345 @@
+/*
+ * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/mlx5/driver.h>
+#include "mlx5_core.h"
+
+static LIST_HEAD(intf_list);
+static LIST_HEAD(mlx5_dev_list);
+/* intf dev list mutex */
+static DEFINE_MUTEX(mlx5_intf_mutex);
+
+struct mlx5_device_context {
+       struct list_head        list;
+       struct mlx5_interface  *intf;
+       void                   *context;
+       unsigned long           state;
+};
+
+enum {
+       MLX5_INTERFACE_ADDED,
+       MLX5_INTERFACE_ATTACHED,
+};
+
+void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv)
+{
+       struct mlx5_device_context *dev_ctx;
+       struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv);
+
+       if (!mlx5_lag_intf_add(intf, priv))
+               return;
+
+       dev_ctx = kzalloc(sizeof(*dev_ctx), GFP_KERNEL);
+       if (!dev_ctx)
+               return;
+
+       dev_ctx->intf = intf;
+       dev_ctx->context = intf->add(dev);
+       set_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state);
+       if (intf->attach)
+               set_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state);
+
+       if (dev_ctx->context) {
+               spin_lock_irq(&priv->ctx_lock);
+               list_add_tail(&dev_ctx->list, &priv->ctx_list);
+               spin_unlock_irq(&priv->ctx_lock);
+       } else {
+               kfree(dev_ctx);
+       }
+}
+
+static struct mlx5_device_context *mlx5_get_device(struct mlx5_interface *intf,
+                                                  struct mlx5_priv *priv)
+{
+       struct mlx5_device_context *dev_ctx;
+
+       list_for_each_entry(dev_ctx, &priv->ctx_list, list)
+               if (dev_ctx->intf == intf)
+                       return dev_ctx;
+       return NULL;
+}
+
+void mlx5_remove_device(struct mlx5_interface *intf, struct mlx5_priv *priv)
+{
+       struct mlx5_device_context *dev_ctx;
+       struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv);
+
+       dev_ctx = mlx5_get_device(intf, priv);
+       if (!dev_ctx)
+               return;
+
+       spin_lock_irq(&priv->ctx_lock);
+       list_del(&dev_ctx->list);
+       spin_unlock_irq(&priv->ctx_lock);
+
+       if (test_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state))
+               intf->remove(dev, dev_ctx->context);
+
+       kfree(dev_ctx);
+}
+
+static void mlx5_attach_interface(struct mlx5_interface *intf, struct mlx5_priv *priv)
+{
+       struct mlx5_device_context *dev_ctx;
+       struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv);
+
+       dev_ctx = mlx5_get_device(intf, priv);
+       if (!dev_ctx)
+               return;
+
+       if (intf->attach) {
+               if (test_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state))
+                       return;
+               intf->attach(dev, dev_ctx->context);
+               set_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state);
+       } else {
+               if (test_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state))
+                       return;
+               dev_ctx->context = intf->add(dev);
+               set_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state);
+       }
+}
+
+void mlx5_attach_device(struct mlx5_core_dev *dev)
+{
+       struct mlx5_priv *priv = &dev->priv;
+       struct mlx5_interface *intf;
+
+       mutex_lock(&mlx5_intf_mutex);
+       list_for_each_entry(intf, &intf_list, list)
+               mlx5_attach_interface(intf, priv);
+       mutex_unlock(&mlx5_intf_mutex);
+}
+
+static void mlx5_detach_interface(struct mlx5_interface *intf, struct mlx5_priv *priv)
+{
+       struct mlx5_device_context *dev_ctx;
+       struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv);
+
+       dev_ctx = mlx5_get_device(intf, priv);
+       if (!dev_ctx)
+               return;
+
+       if (intf->detach) {
+               if (!test_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state))
+                       return;
+               intf->detach(dev, dev_ctx->context);
+               clear_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state);
+       } else {
+               if (!test_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state))
+                       return;
+               intf->remove(dev, dev_ctx->context);
+               clear_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state);
+       }
+}
+
+void mlx5_detach_device(struct mlx5_core_dev *dev)
+{
+       struct mlx5_priv *priv = &dev->priv;
+       struct mlx5_interface *intf;
+
+       mutex_lock(&mlx5_intf_mutex);
+       list_for_each_entry(intf, &intf_list, list)
+               mlx5_detach_interface(intf, priv);
+       mutex_unlock(&mlx5_intf_mutex);
+}
+
+bool mlx5_device_registered(struct mlx5_core_dev *dev)
+{
+       struct mlx5_priv *priv;
+       bool found = false;
+
+       mutex_lock(&mlx5_intf_mutex);
+       list_for_each_entry(priv, &mlx5_dev_list, dev_list)
+               if (priv == &dev->priv)
+                       found = true;
+       mutex_unlock(&mlx5_intf_mutex);
+
+       return found;
+}
+
+int mlx5_register_device(struct mlx5_core_dev *dev)
+{
+       struct mlx5_priv *priv = &dev->priv;
+       struct mlx5_interface *intf;
+
+       mutex_lock(&mlx5_intf_mutex);
+       list_add_tail(&priv->dev_list, &mlx5_dev_list);
+       list_for_each_entry(intf, &intf_list, list)
+               mlx5_add_device(intf, priv);
+       mutex_unlock(&mlx5_intf_mutex);
+
+       return 0;
+}
+
+void mlx5_unregister_device(struct mlx5_core_dev *dev)
+{
+       struct mlx5_priv *priv = &dev->priv;
+       struct mlx5_interface *intf;
+
+       mutex_lock(&mlx5_intf_mutex);
+       list_for_each_entry(intf, &intf_list, list)
+               mlx5_remove_device(intf, priv);
+       list_del(&priv->dev_list);
+       mutex_unlock(&mlx5_intf_mutex);
+}
+
+int mlx5_register_interface(struct mlx5_interface *intf)
+{
+       struct mlx5_priv *priv;
+
+       if (!intf->add || !intf->remove)
+               return -EINVAL;
+
+       mutex_lock(&mlx5_intf_mutex);
+       list_add_tail(&intf->list, &intf_list);
+       list_for_each_entry(priv, &mlx5_dev_list, dev_list)
+               mlx5_add_device(intf, priv);
+       mutex_unlock(&mlx5_intf_mutex);
+
+       return 0;
+}
+EXPORT_SYMBOL(mlx5_register_interface);
+
+void mlx5_unregister_interface(struct mlx5_interface *intf)
+{
+       struct mlx5_priv *priv;
+
+       mutex_lock(&mlx5_intf_mutex);
+       list_for_each_entry(priv, &mlx5_dev_list, dev_list)
+               mlx5_remove_device(intf, priv);
+       list_del(&intf->list);
+       mutex_unlock(&mlx5_intf_mutex);
+}
+EXPORT_SYMBOL(mlx5_unregister_interface);
+
+void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol)
+{
+       struct mlx5_priv *priv = &mdev->priv;
+       struct mlx5_device_context *dev_ctx;
+       unsigned long flags;
+       void *result = NULL;
+
+       spin_lock_irqsave(&priv->ctx_lock, flags);
+
+       list_for_each_entry(dev_ctx, &mdev->priv.ctx_list, list)
+               if ((dev_ctx->intf->protocol == protocol) &&
+                   dev_ctx->intf->get_dev) {
+                       result = dev_ctx->intf->get_dev(dev_ctx->context);
+                       break;
+               }
+
+       spin_unlock_irqrestore(&priv->ctx_lock, flags);
+
+       return result;
+}
+EXPORT_SYMBOL(mlx5_get_protocol_dev);
+
+/* Must be called with intf_mutex held */
+void mlx5_add_dev_by_protocol(struct mlx5_core_dev *dev, int protocol)
+{
+       struct mlx5_interface *intf;
+
+       list_for_each_entry(intf, &intf_list, list)
+               if (intf->protocol == protocol) {
+                       mlx5_add_device(intf, &dev->priv);
+                       break;
+               }
+}
+
+/* Must be called with intf_mutex held */
+void mlx5_remove_dev_by_protocol(struct mlx5_core_dev *dev, int protocol)
+{
+       struct mlx5_interface *intf;
+
+       list_for_each_entry(intf, &intf_list, list)
+               if (intf->protocol == protocol) {
+                       mlx5_remove_device(intf, &dev->priv);
+                       break;
+               }
+}
+
+static u16 mlx5_gen_pci_id(struct mlx5_core_dev *dev)
+{
+       return (u16)((dev->pdev->bus->number << 8) |
+                    PCI_SLOT(dev->pdev->devfn));
+}
+
+/* Must be called with intf_mutex held */
+struct mlx5_core_dev *mlx5_get_next_phys_dev(struct mlx5_core_dev *dev)
+{
+       u16 pci_id = mlx5_gen_pci_id(dev);
+       struct mlx5_core_dev *res = NULL;
+       struct mlx5_core_dev *tmp_dev;
+       struct mlx5_priv *priv;
+
+       list_for_each_entry(priv, &mlx5_dev_list, dev_list) {
+               tmp_dev = container_of(priv, struct mlx5_core_dev, priv);
+               if ((dev != tmp_dev) && (mlx5_gen_pci_id(tmp_dev) == pci_id)) {
+                       res = tmp_dev;
+                       break;
+               }
+       }
+
+       return res;
+}
+
+void mlx5_core_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event,
+                    unsigned long param)
+{
+       struct mlx5_priv *priv = &dev->priv;
+       struct mlx5_device_context *dev_ctx;
+       unsigned long flags;
+
+       spin_lock_irqsave(&priv->ctx_lock, flags);
+
+       list_for_each_entry(dev_ctx, &priv->ctx_list, list)
+               if (dev_ctx->intf->event)
+                       dev_ctx->intf->event(dev, dev_ctx->context, event, param);
+
+       spin_unlock_irqrestore(&priv->ctx_lock, flags);
+}
+
+void mlx5_dev_list_lock(void)
+{
+       mutex_lock(&mlx5_intf_mutex);
+}
+
+void mlx5_dev_list_unlock(void)
+{
+       mutex_unlock(&mlx5_intf_mutex);
+}
+
+int mlx5_dev_list_trylock(void)
+{
+       return mutex_trylock(&mlx5_intf_mutex);
+}
index 92c3e0dbcbdc81c08ea3c1dd4f7f5915e33c011a..55957246c0e844826a5a7f18c42c4678fb6c5be5 100644 (file)
@@ -277,7 +277,7 @@ static void mlx5_do_bond_work(struct work_struct *work)
                                             bond_work);
        int status;
 
-       status = mutex_trylock(&mlx5_intf_mutex);
+       status = mlx5_dev_list_trylock();
        if (!status) {
                /* 1 sec delay. */
                mlx5_queue_bond_work(ldev, HZ);
@@ -285,7 +285,7 @@ static void mlx5_do_bond_work(struct work_struct *work)
        }
 
        mlx5_do_bond(ldev);
-       mutex_unlock(&mlx5_intf_mutex);
+       mlx5_dev_list_unlock();
 }
 
 static int mlx5_handle_changeupper_event(struct mlx5_lag *ldev,
@@ -466,35 +466,21 @@ static void mlx5_lag_dev_remove_pf(struct mlx5_lag *ldev,
        mutex_unlock(&lag_mutex);
 }
 
-static u16 mlx5_gen_pci_id(struct mlx5_core_dev *dev)
-{
-       return (u16)((dev->pdev->bus->number << 8) |
-                    PCI_SLOT(dev->pdev->devfn));
-}
 
 /* Must be called with intf_mutex held */
 void mlx5_lag_add(struct mlx5_core_dev *dev, struct net_device *netdev)
 {
        struct mlx5_lag *ldev = NULL;
        struct mlx5_core_dev *tmp_dev;
-       struct mlx5_priv *priv;
-       u16 pci_id;
 
        if (!MLX5_CAP_GEN(dev, vport_group_manager) ||
            !MLX5_CAP_GEN(dev, lag_master) ||
            (MLX5_CAP_GEN(dev, num_lag_ports) != MLX5_MAX_PORTS))
                return;
 
-       pci_id = mlx5_gen_pci_id(dev);
-
-       mlx5_core_for_each_priv(priv) {
-               tmp_dev = container_of(priv, struct mlx5_core_dev, priv);
-               if ((dev != tmp_dev) &&
-                   (mlx5_gen_pci_id(tmp_dev) == pci_id)) {
-                       ldev = tmp_dev->priv.lag;
-                       break;
-               }
-       }
+       tmp_dev = mlx5_get_next_phys_dev(dev);
+       if (tmp_dev)
+               ldev = tmp_dev->priv.lag;
 
        if (!ldev) {
                ldev = mlx5_lag_dev_alloc();
index 16660cf16e0d246440bbb31182df8bed7477b40f..d9c3c70b29e4799f87a0daed286c272be6180d01 100644 (file)
@@ -72,18 +72,6 @@ static int prof_sel = MLX5_DEFAULT_PROF;
 module_param_named(prof_sel, prof_sel, int, 0444);
 MODULE_PARM_DESC(prof_sel, "profile selector. Valid range 0 - 2");
 
-static LIST_HEAD(intf_list);
-
-LIST_HEAD(mlx5_dev_list);
-DEFINE_MUTEX(mlx5_intf_mutex);
-
-struct mlx5_device_context {
-       struct list_head        list;
-       struct mlx5_interface  *intf;
-       void                   *context;
-       unsigned long           state;
-};
-
 enum {
        MLX5_ATOMIC_REQ_MODE_BE = 0x0,
        MLX5_ATOMIC_REQ_MODE_HOST_ENDIANNESS = 0x1,
@@ -779,248 +767,6 @@ static int mlx5_core_set_issi(struct mlx5_core_dev *dev)
        return -ENOTSUPP;
 }
 
-enum {
-       MLX5_INTERFACE_ADDED,
-       MLX5_INTERFACE_ATTACHED,
-};
-
-static void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv)
-{
-       struct mlx5_device_context *dev_ctx;
-       struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv);
-
-       if (!mlx5_lag_intf_add(intf, priv))
-               return;
-
-       dev_ctx = kzalloc(sizeof(*dev_ctx), GFP_KERNEL);
-       if (!dev_ctx)
-               return;
-
-       dev_ctx->intf = intf;
-       dev_ctx->context = intf->add(dev);
-       set_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state);
-       if (intf->attach)
-               set_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state);
-
-       if (dev_ctx->context) {
-               spin_lock_irq(&priv->ctx_lock);
-               list_add_tail(&dev_ctx->list, &priv->ctx_list);
-               spin_unlock_irq(&priv->ctx_lock);
-       } else {
-               kfree(dev_ctx);
-       }
-}
-
-static struct mlx5_device_context *mlx5_get_device(struct mlx5_interface *intf,
-                                                  struct mlx5_priv *priv)
-{
-       struct mlx5_device_context *dev_ctx;
-
-       list_for_each_entry(dev_ctx, &priv->ctx_list, list)
-               if (dev_ctx->intf == intf)
-                       return dev_ctx;
-       return NULL;
-}
-
-static void mlx5_remove_device(struct mlx5_interface *intf, struct mlx5_priv *priv)
-{
-       struct mlx5_device_context *dev_ctx;
-       struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv);
-
-       dev_ctx = mlx5_get_device(intf, priv);
-       if (!dev_ctx)
-               return;
-
-       spin_lock_irq(&priv->ctx_lock);
-       list_del(&dev_ctx->list);
-       spin_unlock_irq(&priv->ctx_lock);
-
-       if (test_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state))
-               intf->remove(dev, dev_ctx->context);
-
-       kfree(dev_ctx);
-}
-
-static void mlx5_attach_interface(struct mlx5_interface *intf, struct mlx5_priv *priv)
-{
-       struct mlx5_device_context *dev_ctx;
-       struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv);
-
-       dev_ctx = mlx5_get_device(intf, priv);
-       if (!dev_ctx)
-               return;
-
-       if (intf->attach) {
-               if (test_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state))
-                       return;
-               intf->attach(dev, dev_ctx->context);
-               set_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state);
-       } else {
-               if (test_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state))
-                       return;
-               dev_ctx->context = intf->add(dev);
-               set_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state);
-       }
-}
-
-static void mlx5_attach_device(struct mlx5_core_dev *dev)
-{
-       struct mlx5_priv *priv = &dev->priv;
-       struct mlx5_interface *intf;
-
-       mutex_lock(&mlx5_intf_mutex);
-       list_for_each_entry(intf, &intf_list, list)
-               mlx5_attach_interface(intf, priv);
-       mutex_unlock(&mlx5_intf_mutex);
-}
-
-static void mlx5_detach_interface(struct mlx5_interface *intf, struct mlx5_priv *priv)
-{
-       struct mlx5_device_context *dev_ctx;
-       struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv);
-
-       dev_ctx = mlx5_get_device(intf, priv);
-       if (!dev_ctx)
-               return;
-
-       if (intf->detach) {
-               if (!test_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state))
-                       return;
-               intf->detach(dev, dev_ctx->context);
-               clear_bit(MLX5_INTERFACE_ATTACHED, &dev_ctx->state);
-       } else {
-               if (!test_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state))
-                       return;
-               intf->remove(dev, dev_ctx->context);
-               clear_bit(MLX5_INTERFACE_ADDED, &dev_ctx->state);
-       }
-}
-
-static void mlx5_detach_device(struct mlx5_core_dev *dev)
-{
-       struct mlx5_priv *priv = &dev->priv;
-       struct mlx5_interface *intf;
-
-       mutex_lock(&mlx5_intf_mutex);
-       list_for_each_entry(intf, &intf_list, list)
-               mlx5_detach_interface(intf, priv);
-       mutex_unlock(&mlx5_intf_mutex);
-}
-
-static bool mlx5_device_registered(struct mlx5_core_dev *dev)
-{
-       struct mlx5_priv *priv;
-       bool found = false;
-
-       mutex_lock(&mlx5_intf_mutex);
-       list_for_each_entry(priv, &mlx5_dev_list, dev_list)
-               if (priv == &dev->priv)
-                       found = true;
-       mutex_unlock(&mlx5_intf_mutex);
-
-       return found;
-}
-
-static int mlx5_register_device(struct mlx5_core_dev *dev)
-{
-       struct mlx5_priv *priv = &dev->priv;
-       struct mlx5_interface *intf;
-
-       mutex_lock(&mlx5_intf_mutex);
-       list_add_tail(&priv->dev_list, &mlx5_dev_list);
-       list_for_each_entry(intf, &intf_list, list)
-               mlx5_add_device(intf, priv);
-       mutex_unlock(&mlx5_intf_mutex);
-
-       return 0;
-}
-
-static void mlx5_unregister_device(struct mlx5_core_dev *dev)
-{
-       struct mlx5_priv *priv = &dev->priv;
-       struct mlx5_interface *intf;
-
-       mutex_lock(&mlx5_intf_mutex);
-       list_for_each_entry(intf, &intf_list, list)
-               mlx5_remove_device(intf, priv);
-       list_del(&priv->dev_list);
-       mutex_unlock(&mlx5_intf_mutex);
-}
-
-int mlx5_register_interface(struct mlx5_interface *intf)
-{
-       struct mlx5_priv *priv;
-
-       if (!intf->add || !intf->remove)
-               return -EINVAL;
-
-       mutex_lock(&mlx5_intf_mutex);
-       list_add_tail(&intf->list, &intf_list);
-       list_for_each_entry(priv, &mlx5_dev_list, dev_list)
-               mlx5_add_device(intf, priv);
-       mutex_unlock(&mlx5_intf_mutex);
-
-       return 0;
-}
-EXPORT_SYMBOL(mlx5_register_interface);
-
-void mlx5_unregister_interface(struct mlx5_interface *intf)
-{
-       struct mlx5_priv *priv;
-
-       mutex_lock(&mlx5_intf_mutex);
-       list_for_each_entry(priv, &mlx5_dev_list, dev_list)
-               mlx5_remove_device(intf, priv);
-       list_del(&intf->list);
-       mutex_unlock(&mlx5_intf_mutex);
-}
-EXPORT_SYMBOL(mlx5_unregister_interface);
-
-void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol)
-{
-       struct mlx5_priv *priv = &mdev->priv;
-       struct mlx5_device_context *dev_ctx;
-       unsigned long flags;
-       void *result = NULL;
-
-       spin_lock_irqsave(&priv->ctx_lock, flags);
-
-       list_for_each_entry(dev_ctx, &mdev->priv.ctx_list, list)
-               if ((dev_ctx->intf->protocol == protocol) &&
-                   dev_ctx->intf->get_dev) {
-                       result = dev_ctx->intf->get_dev(dev_ctx->context);
-                       break;
-               }
-
-       spin_unlock_irqrestore(&priv->ctx_lock, flags);
-
-       return result;
-}
-EXPORT_SYMBOL(mlx5_get_protocol_dev);
-
-/* Must be called with intf_mutex held */
-void mlx5_add_dev_by_protocol(struct mlx5_core_dev *dev, int protocol)
-{
-       struct mlx5_interface *intf;
-
-       list_for_each_entry(intf, &intf_list, list)
-               if (intf->protocol == protocol) {
-                       mlx5_add_device(intf, &dev->priv);
-                       break;
-               }
-}
-
-/* Must be called with intf_mutex held */
-void mlx5_remove_dev_by_protocol(struct mlx5_core_dev *dev, int protocol)
-{
-       struct mlx5_interface *intf;
-
-       list_for_each_entry(intf, &intf_list, list)
-               if (intf->protocol == protocol) {
-                       mlx5_remove_device(intf, &dev->priv);
-                       break;
-               }
-}
 
 static int mlx5_pci_init(struct mlx5_core_dev *dev, struct mlx5_priv *priv)
 {
@@ -1446,22 +1192,6 @@ out:
        return err;
 }
 
-void mlx5_core_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event,
-                    unsigned long param)
-{
-       struct mlx5_priv *priv = &dev->priv;
-       struct mlx5_device_context *dev_ctx;
-       unsigned long flags;
-
-       spin_lock_irqsave(&priv->ctx_lock, flags);
-
-       list_for_each_entry(dev_ctx, &priv->ctx_list, list)
-               if (dev_ctx->intf->event)
-                       dev_ctx->intf->event(dev, dev_ctx->context, event, param);
-
-       spin_unlock_irqrestore(&priv->ctx_lock, flags);
-}
-
 struct mlx5_core_event_handler {
        void (*event)(struct mlx5_core_dev *dev,
                      enum mlx5_dev_event event,
index 04b719a53313e3d96ecb40e340da9ae2f8d01994..3d0cfb9f18f99154e6f904625a41ff457c4e2508 100644 (file)
@@ -46,9 +46,6 @@
 
 extern int mlx5_core_debug_mask;
 
-extern struct list_head mlx5_dev_list;
-extern struct mutex mlx5_intf_mutex;
-
 #define mlx5_core_dbg(__dev, format, ...)                              \
        dev_dbg(&(__dev)->pdev->dev, "%s:%s:%d:(pid %d): " format,      \
                 (__dev)->priv.name, __func__, __LINE__, current->pid,  \
@@ -73,9 +70,6 @@ do {                                                                  \
 #define mlx5_core_info(__dev, format, ...)                             \
        dev_info(&(__dev)->pdev->dev, format, ##__VA_ARGS__)
 
-#define mlx5_core_for_each_priv(__priv)                                        \
-       list_for_each_entry(__priv, &mlx5_dev_list, dev_list)
-
 enum {
        MLX5_CMD_DATA, /* print command payload only */
        MLX5_CMD_TIME, /* print command execution time */
@@ -106,8 +100,19 @@ void mlx5_cq_tasklet_cb(unsigned long data);
 void mlx5_lag_add(struct mlx5_core_dev *dev, struct net_device *netdev);
 void mlx5_lag_remove(struct mlx5_core_dev *dev);
 
+void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv);
+void mlx5_remove_device(struct mlx5_interface *intf, struct mlx5_priv *priv);
+void mlx5_attach_device(struct mlx5_core_dev *dev);
+void mlx5_detach_device(struct mlx5_core_dev *dev);
+bool mlx5_device_registered(struct mlx5_core_dev *dev);
+int mlx5_register_device(struct mlx5_core_dev *dev);
+void mlx5_unregister_device(struct mlx5_core_dev *dev);
 void mlx5_add_dev_by_protocol(struct mlx5_core_dev *dev, int protocol);
 void mlx5_remove_dev_by_protocol(struct mlx5_core_dev *dev, int protocol);
+struct mlx5_core_dev *mlx5_get_next_phys_dev(struct mlx5_core_dev *dev);
+void mlx5_dev_list_lock(void);
+void mlx5_dev_list_unlock(void);
+int mlx5_dev_list_trylock(void);
 
 bool mlx5_lag_intf_add(struct mlx5_interface *intf, struct mlx5_priv *priv);