config MLXSW_SWITCHX2
tristate "Mellanox Technologies SwitchX-2 support"
- depends on MLXSW_CORE && NET_SWITCHDEV
+ depends on MLXSW_CORE && MLXSW_PCI && NET_SWITCHDEV
default m
---help---
This driver supports Mellanox Technologies SwitchX-2 Ethernet
config MLXSW_SPECTRUM
tristate "Mellanox Technologies Spectrum support"
- depends on MLXSW_CORE && NET_SWITCHDEV && VLAN_8021Q
+ depends on MLXSW_CORE && MLXSW_PCI && NET_SWITCHDEV && VLAN_8021Q
default m
---help---
This driver supports Mellanox Technologies Spectrum Ethernet
spin_lock(&mlxsw_core_driver_list_lock);
mlxsw_driver = __driver_find(kind);
- if (!mlxsw_driver) {
- spin_unlock(&mlxsw_core_driver_list_lock);
- request_module(MLXSW_MODULE_ALIAS_PREFIX "%s", kind);
- spin_lock(&mlxsw_core_driver_list_lock);
- mlxsw_driver = __driver_find(kind);
- }
- if (mlxsw_driver) {
- if (!try_module_get(mlxsw_driver->owner))
- mlxsw_driver = NULL;
- }
-
spin_unlock(&mlxsw_core_driver_list_lock);
return mlxsw_driver;
}
spin_lock(&mlxsw_core_driver_list_lock);
mlxsw_driver = __driver_find(kind);
spin_unlock(&mlxsw_core_driver_list_lock);
- if (!mlxsw_driver)
- return;
- module_put(mlxsw_driver->owner);
}
static int mlxsw_core_debugfs_init(struct mlxsw_core *mlxsw_core)
#include "cmd.h"
#include "resources.h"
-#define MLXSW_MODULE_ALIAS_PREFIX "mlxsw-driver-"
-#define MODULE_MLXSW_DRIVER_ALIAS(kind) \
- MODULE_ALIAS(MLXSW_MODULE_ALIAS_PREFIX kind)
-
-#define MLXSW_DEVICE_KIND_SWITCHX2 "switchx2"
-#define MLXSW_DEVICE_KIND_SPECTRUM "spectrum"
-
struct mlxsw_core;
struct mlxsw_driver;
struct mlxsw_bus;
struct mlxsw_driver {
struct list_head list;
const char *kind;
- struct module *owner;
size_t priv_size;
int (*init)(struct mlxsw_core *mlxsw_core,
const struct mlxsw_bus_info *mlxsw_bus_info);
#include <linux/string.h>
#include "pci_hw.h"
+#include "pci.h"
#include "core.h"
#include "cmd.h"
#include "port.h"
static const char mlxsw_pci_driver_name[] = "mlxsw_pci";
-static const struct pci_device_id mlxsw_pci_id_table[] = {
- {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SWITCHX2), 0},
- {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM), 0},
- {0, }
-};
-
static struct dentry *mlxsw_pci_dbg_root;
-static const char *mlxsw_pci_device_kind_get(const struct pci_device_id *id)
-{
- switch (id->device) {
- case PCI_DEVICE_ID_MELLANOX_SWITCHX2:
- return MLXSW_DEVICE_KIND_SWITCHX2;
- case PCI_DEVICE_ID_MELLANOX_SPECTRUM:
- return MLXSW_DEVICE_KIND_SPECTRUM;
- default:
- BUG();
- }
-}
-
#define mlxsw_pci_write32(mlxsw_pci, reg, val) \
iowrite32be(val, (mlxsw_pci)->hw_addr + (MLXSW_PCI_ ## reg))
#define mlxsw_pci_read32(mlxsw_pci, reg) \
err = request_irq(mlxsw_pci->msix_entry.vector,
mlxsw_pci_eq_irq_handler, 0,
- mlxsw_pci_driver_name, mlxsw_pci);
+ mlxsw_pci->bus_info.device_kind, mlxsw_pci);
if (err) {
dev_err(&pdev->dev, "IRQ request failed\n");
goto err_request_eq_irq;
static int mlxsw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
+ const char *driver_name = pdev->driver->name;
struct mlxsw_pci *mlxsw_pci;
int err;
goto err_pci_enable_device;
}
- err = pci_request_regions(pdev, mlxsw_pci_driver_name);
+ err = pci_request_regions(pdev, driver_name);
if (err) {
dev_err(&pdev->dev, "pci_request_regions failed\n");
goto err_pci_request_regions;
goto err_msix_init;
}
- mlxsw_pci->bus_info.device_kind = mlxsw_pci_device_kind_get(id);
+ mlxsw_pci->bus_info.device_kind = driver_name;
mlxsw_pci->bus_info.device_name = pci_name(mlxsw_pci->pdev);
mlxsw_pci->bus_info.dev = &pdev->dev;
kfree(mlxsw_pci);
}
-static struct pci_driver mlxsw_pci_driver = {
- .name = mlxsw_pci_driver_name,
- .id_table = mlxsw_pci_id_table,
- .probe = mlxsw_pci_probe,
- .remove = mlxsw_pci_remove,
-};
+int mlxsw_pci_driver_register(struct pci_driver *pci_driver)
+{
+ pci_driver->probe = mlxsw_pci_probe;
+ pci_driver->remove = mlxsw_pci_remove;
+ return pci_register_driver(pci_driver);
+}
+EXPORT_SYMBOL(mlxsw_pci_driver_register);
-static int __init mlxsw_pci_module_init(void)
+void mlxsw_pci_driver_unregister(struct pci_driver *pci_driver)
{
- int err;
+ pci_unregister_driver(pci_driver);
+}
+EXPORT_SYMBOL(mlxsw_pci_driver_unregister);
+static int __init mlxsw_pci_module_init(void)
+{
mlxsw_pci_dbg_root = debugfs_create_dir(mlxsw_pci_driver_name, NULL);
if (!mlxsw_pci_dbg_root)
return -ENOMEM;
- err = pci_register_driver(&mlxsw_pci_driver);
- if (err)
- goto err_register_driver;
return 0;
-
-err_register_driver:
- debugfs_remove_recursive(mlxsw_pci_dbg_root);
- return err;
}
static void __exit mlxsw_pci_module_exit(void)
{
- pci_unregister_driver(&mlxsw_pci_driver);
debugfs_remove_recursive(mlxsw_pci_dbg_root);
}
MODULE_LICENSE("Dual BSD/GPL");
MODULE_AUTHOR("Jiri Pirko <jiri@mellanox.com>");
MODULE_DESCRIPTION("Mellanox switch PCI interface driver");
-MODULE_DEVICE_TABLE(pci, mlxsw_pci_id_table);
--- /dev/null
+/*
+ * drivers/net/ethernet/mellanox/mlxsw/pci.h
+ * Copyright (c) 2016 Mellanox Technologies. All rights reserved.
+ * Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. Neither the names of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _MLXSW_PCI_H
+#define _MLXSW_PCI_H
+
+#include <linux/pci.h>
+
+#define PCI_DEVICE_ID_MELLANOX_SWITCHX2 0xc738
+#define PCI_DEVICE_ID_MELLANOX_SPECTRUM 0xcb84
+
+#if IS_ENABLED(CONFIG_MLXSW_PCI)
+
+int mlxsw_pci_driver_register(struct pci_driver *pci_driver);
+void mlxsw_pci_driver_unregister(struct pci_driver *pci_driver);
+
+#else
+
+static inline int
+mlxsw_pci_driver_register(struct pci_driver *pci_driver)
+{
+ return 0;
+}
+
+static inline void
+mlxsw_pci_driver_unregister(struct pci_driver *pci_driver)
+{
+}
+
+#endif
+
+#endif
#include "item.h"
-#define PCI_DEVICE_ID_MELLANOX_SWITCHX2 0xc738
-#define PCI_DEVICE_ID_MELLANOX_SPECTRUM 0xcb84
#define MLXSW_PCI_BAR0_SIZE (1024 * 1024) /* 1MB */
#define MLXSW_PCI_PAGE_SIZE 4096
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/types.h>
+#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <net/netevent.h>
#include "spectrum.h"
+#include "pci.h"
#include "core.h"
#include "reg.h"
#include "port.h"
};
static struct mlxsw_driver mlxsw_sp_driver = {
- .kind = MLXSW_DEVICE_KIND_SPECTRUM,
- .owner = THIS_MODULE,
+ .kind = mlxsw_sp_driver_name,
.priv_size = sizeof(struct mlxsw_sp),
.init = mlxsw_sp_init,
.fini = mlxsw_sp_fini,
.notifier_call = mlxsw_sp_router_netevent_event,
};
+static const struct pci_device_id mlxsw_sp_pci_id_table[] = {
+ {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SPECTRUM), 0},
+ {0, },
+};
+
+static struct pci_driver mlxsw_sp_pci_driver = {
+ .name = mlxsw_sp_driver_name,
+ .id_table = mlxsw_sp_pci_id_table,
+};
+
static int __init mlxsw_sp_module_init(void)
{
int err;
err = mlxsw_core_driver_register(&mlxsw_sp_driver);
if (err)
goto err_core_driver_register;
+
+ err = mlxsw_pci_driver_register(&mlxsw_sp_pci_driver);
+ if (err)
+ goto err_pci_driver_register;
+
return 0;
+err_pci_driver_register:
+ mlxsw_core_driver_unregister(&mlxsw_sp_driver);
err_core_driver_register:
unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb);
unregister_inetaddr_notifier(&mlxsw_sp_inetaddr_nb);
static void __exit mlxsw_sp_module_exit(void)
{
+ mlxsw_pci_driver_unregister(&mlxsw_sp_pci_driver);
mlxsw_core_driver_unregister(&mlxsw_sp_driver);
unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb);
unregister_inetaddr_notifier(&mlxsw_sp_inetaddr_nb);
MODULE_LICENSE("Dual BSD/GPL");
MODULE_AUTHOR("Jiri Pirko <jiri@mellanox.com>");
MODULE_DESCRIPTION("Mellanox Spectrum driver");
-MODULE_MLXSW_DRIVER_ALIAS(MLXSW_DEVICE_KIND_SPECTRUM);
+MODULE_DEVICE_TABLE(pci, mlxsw_sp_pci_id_table);
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/types.h>
+#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/slab.h>
#include <net/switchdev.h>
#include <generated/utsrelease.h>
+#include "pci.h"
#include "core.h"
#include "reg.h"
#include "port.h"
};
static struct mlxsw_driver mlxsw_sx_driver = {
- .kind = MLXSW_DEVICE_KIND_SWITCHX2,
- .owner = THIS_MODULE,
+ .kind = mlxsw_sx_driver_name,
.priv_size = sizeof(struct mlxsw_sx),
.init = mlxsw_sx_init,
.fini = mlxsw_sx_fini,
.profile = &mlxsw_sx_config_profile,
};
+static const struct pci_device_id mlxsw_sx_pci_id_table[] = {
+ {PCI_VDEVICE(MELLANOX, PCI_DEVICE_ID_MELLANOX_SWITCHX2), 0},
+ {0, },
+};
+
+static struct pci_driver mlxsw_sx_pci_driver = {
+ .name = mlxsw_sx_driver_name,
+ .id_table = mlxsw_sx_pci_id_table,
+};
+
static int __init mlxsw_sx_module_init(void)
{
- return mlxsw_core_driver_register(&mlxsw_sx_driver);
+ int err;
+
+ err = mlxsw_core_driver_register(&mlxsw_sx_driver);
+ if (err)
+ return err;
+
+ err = mlxsw_pci_driver_register(&mlxsw_sx_pci_driver);
+ if (err)
+ goto err_pci_driver_register;
+
+ return 0;
+
+err_pci_driver_register:
+ mlxsw_core_driver_unregister(&mlxsw_sx_driver);
+ return err;
}
static void __exit mlxsw_sx_module_exit(void)
{
+ mlxsw_pci_driver_unregister(&mlxsw_sx_pci_driver);
mlxsw_core_driver_unregister(&mlxsw_sx_driver);
}
MODULE_LICENSE("Dual BSD/GPL");
MODULE_AUTHOR("Jiri Pirko <jiri@mellanox.com>");
MODULE_DESCRIPTION("Mellanox SwitchX-2 driver");
-MODULE_MLXSW_DRIVER_ALIAS(MLXSW_DEVICE_KIND_SWITCHX2);
+MODULE_DEVICE_TABLE(pci, mlxsw_sx_pci_id_table);
projects / linux-beck.git / commitdiff