Merge branch 'mlxsw-next'

Jiri Pirko says:

====================
mlxsw: small driver update

For details, see individual patches.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/Kconfig

@@ -31,7 +31,7 @@ config MLXSW_PCI
 
 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
@@ -42,7 +42,7 @@ config MLXSW_SWITCHX2
 
 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

drivers/net/ethernet/mellanox/mlxsw/core.c

@@ -823,17 +823,6 @@ static struct mlxsw_driver *mlxsw_core_driver_get(const char *kind)
 
 	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;
 }
@@ -845,9 +834,6 @@ static void mlxsw_core_driver_put(const char *kind)
 	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)

drivers/net/ethernet/mellanox/mlxsw/core.h

@@ -51,13 +51,6 @@
 #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;
@@ -221,7 +214,6 @@ struct mlxsw_config_profile {
 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);

drivers/net/ethernet/mellanox/mlxsw/pci.c

@@ -48,6 +48,7 @@
 #include <linux/seq_file.h>
 #include <linux/string.h>
 
+#include "pci_hw.h"
 #include "pci.h"
 #include "core.h"
 #include "cmd.h"
@@ -56,26 +57,8 @@
 
 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) \
@@ -1553,7 +1536,7 @@ static int mlxsw_pci_init(void *bus_priv, struct mlxsw_core *mlxsw_core,
 
 	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;
@@ -1793,6 +1776,7 @@ static int mlxsw_pci_sw_reset(struct mlxsw_pci *mlxsw_pci)
 
 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;
 
@@ -1806,7 +1790,7 @@ static int mlxsw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		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;
@@ -1857,7 +1841,7 @@ static int mlxsw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		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;
 
@@ -1909,33 +1893,30 @@ static void mlxsw_pci_remove(struct pci_dev *pdev)
 	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);
 }
 
@@ -1945,4 +1926,3 @@ module_exit(mlxsw_pci_module_exit);
 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);

drivers/net/ethernet/mellanox/mlxsw/pci.h

@@ -1,7 +1,7 @@
 /*
  * drivers/net/ethernet/mellanox/mlxsw/pci.h
- * Copyright (c) 2015 Mellanox Technologies. All rights reserved.
- * Copyright (c) 2015 Jiri Pirko <jiri@mellanox.com>
+ * 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:
@@ -35,197 +35,29 @@
 #ifndef _MLXSW_PCI_H
 #define _MLXSW_PCI_H
 
-#include <linux/bitops.h>
+#include <linux/pci.h>
 
-#include "item.h"
+#define PCI_DEVICE_ID_MELLANOX_SWITCHX2		0xc738
+#define PCI_DEVICE_ID_MELLANOX_SPECTRUM		0xcb84
 
-#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
+#if IS_ENABLED(CONFIG_MLXSW_PCI)
 
-#define MLXSW_PCI_CIR_BASE			0x71000
-#define MLXSW_PCI_CIR_IN_PARAM_HI		MLXSW_PCI_CIR_BASE
-#define MLXSW_PCI_CIR_IN_PARAM_LO		(MLXSW_PCI_CIR_BASE + 0x04)
-#define MLXSW_PCI_CIR_IN_MODIFIER		(MLXSW_PCI_CIR_BASE + 0x08)
-#define MLXSW_PCI_CIR_OUT_PARAM_HI		(MLXSW_PCI_CIR_BASE + 0x0C)
-#define MLXSW_PCI_CIR_OUT_PARAM_LO		(MLXSW_PCI_CIR_BASE + 0x10)
-#define MLXSW_PCI_CIR_TOKEN			(MLXSW_PCI_CIR_BASE + 0x14)
-#define MLXSW_PCI_CIR_CTRL			(MLXSW_PCI_CIR_BASE + 0x18)
-#define MLXSW_PCI_CIR_CTRL_GO_BIT		BIT(23)
-#define MLXSW_PCI_CIR_CTRL_EVREQ_BIT		BIT(22)
-#define MLXSW_PCI_CIR_CTRL_OPCODE_MOD_SHIFT	12
-#define MLXSW_PCI_CIR_CTRL_STATUS_SHIFT		24
-#define MLXSW_PCI_CIR_TIMEOUT_MSECS		1000
+int mlxsw_pci_driver_register(struct pci_driver *pci_driver);
+void mlxsw_pci_driver_unregister(struct pci_driver *pci_driver);
 
-#define MLXSW_PCI_SW_RESET			0xF0010
-#define MLXSW_PCI_SW_RESET_RST_BIT		BIT(0)
-#define MLXSW_PCI_SW_RESET_TIMEOUT_MSECS	5000
-#define MLXSW_PCI_FW_READY			0xA1844
-#define MLXSW_PCI_FW_READY_MASK			0xFF
-#define MLXSW_PCI_FW_READY_MAGIC		0x5E
+#else
 
-#define MLXSW_PCI_DOORBELL_SDQ_OFFSET		0x000
-#define MLXSW_PCI_DOORBELL_RDQ_OFFSET		0x200
-#define MLXSW_PCI_DOORBELL_CQ_OFFSET		0x400
-#define MLXSW_PCI_DOORBELL_EQ_OFFSET		0x600
-#define MLXSW_PCI_DOORBELL_ARM_CQ_OFFSET	0x800
-#define MLXSW_PCI_DOORBELL_ARM_EQ_OFFSET	0xA00
+static inline int
+mlxsw_pci_driver_register(struct pci_driver *pci_driver)
+{
+	return 0;
+}
 
-#define MLXSW_PCI_DOORBELL(offset, type_offset, num)	\
-	((offset) + (type_offset) + (num) * 4)
+static inline void
+mlxsw_pci_driver_unregister(struct pci_driver *pci_driver)
+{
+}
 
-#define MLXSW_PCI_CQS_MAX	96
-#define MLXSW_PCI_EQS_COUNT	2
-#define MLXSW_PCI_EQ_ASYNC_NUM	0
-#define MLXSW_PCI_EQ_COMP_NUM	1
-
-#define MLXSW_PCI_AQ_PAGES	8
-#define MLXSW_PCI_AQ_SIZE	(MLXSW_PCI_PAGE_SIZE * MLXSW_PCI_AQ_PAGES)
-#define MLXSW_PCI_WQE_SIZE	32 /* 32 bytes per element */
-#define MLXSW_PCI_CQE_SIZE	16 /* 16 bytes per element */
-#define MLXSW_PCI_EQE_SIZE	16 /* 16 bytes per element */
-#define MLXSW_PCI_WQE_COUNT	(MLXSW_PCI_AQ_SIZE / MLXSW_PCI_WQE_SIZE)
-#define MLXSW_PCI_CQE_COUNT	(MLXSW_PCI_AQ_SIZE / MLXSW_PCI_CQE_SIZE)
-#define MLXSW_PCI_EQE_COUNT	(MLXSW_PCI_AQ_SIZE / MLXSW_PCI_EQE_SIZE)
-#define MLXSW_PCI_EQE_UPDATE_COUNT	0x80
-
-#define MLXSW_PCI_WQE_SG_ENTRIES	3
-#define MLXSW_PCI_WQE_TYPE_ETHERNET	0xA
-
-/* pci_wqe_c
- * If set it indicates that a completion should be reported upon
- * execution of this descriptor.
- */
-MLXSW_ITEM32(pci, wqe, c, 0x00, 31, 1);
-
-/* pci_wqe_lp
- * Local Processing, set if packet should be processed by the local
- * switch hardware:
- * For Ethernet EMAD (Direct Route and non Direct Route) -
- * must be set if packet destination is local device
- * For InfiniBand CTL - must be set if packet destination is local device
- * Otherwise it must be clear
- * Local Process packets must not exceed the size of 2K (including payload
- * and headers).
- */
-MLXSW_ITEM32(pci, wqe, lp, 0x00, 30, 1);
-
-/* pci_wqe_type
- * Packet type.
- */
-MLXSW_ITEM32(pci, wqe, type, 0x00, 23, 4);
-
-/* pci_wqe_byte_count
- * Size of i-th scatter/gather entry, 0 if entry is unused.
- */
-MLXSW_ITEM16_INDEXED(pci, wqe, byte_count, 0x02, 0, 14, 0x02, 0x00, false);
-
-/* pci_wqe_address
- * Physical address of i-th scatter/gather entry.
- * Gather Entries must be 2Byte aligned.
- */
-MLXSW_ITEM64_INDEXED(pci, wqe, address, 0x08, 0, 64, 0x8, 0x0, false);
-
-/* pci_cqe_lag
- * Packet arrives from a port which is a LAG
- */
-MLXSW_ITEM32(pci, cqe, lag, 0x00, 23, 1);
-
-/* pci_cqe_system_port/lag_id
- * When lag=0: System port on which the packet was received
- * When lag=1:
- * bits [15:4] LAG ID on which the packet was received
- * bits [3:0] sub_port on which the packet was received
- */
-MLXSW_ITEM32(pci, cqe, system_port, 0x00, 0, 16);
-MLXSW_ITEM32(pci, cqe, lag_id, 0x00, 4, 12);
-MLXSW_ITEM32(pci, cqe, lag_port_index, 0x00, 0, 4);
-
-/* pci_cqe_wqe_counter
- * WQE count of the WQEs completed on the associated dqn
- */
-MLXSW_ITEM32(pci, cqe, wqe_counter, 0x04, 16, 16);
-
-/* pci_cqe_byte_count
- * Byte count of received packets including additional two
- * Reserved Bytes that are append to the end of the frame.
- * Reserved for Send CQE.
- */
-MLXSW_ITEM32(pci, cqe, byte_count, 0x04, 0, 14);
-
-/* pci_cqe_trap_id
- * Trap ID that captured the packet.
- */
-MLXSW_ITEM32(pci, cqe, trap_id, 0x08, 0, 8);
-
-/* pci_cqe_crc
- * Length include CRC. Indicates the length field includes
- * the packet's CRC.
- */
-MLXSW_ITEM32(pci, cqe, crc, 0x0C, 8, 1);
-
-/* pci_cqe_e
- * CQE with Error.
- */
-MLXSW_ITEM32(pci, cqe, e, 0x0C, 7, 1);
-
-/* pci_cqe_sr
- * 1 - Send Queue
- * 0 - Receive Queue
- */
-MLXSW_ITEM32(pci, cqe, sr, 0x0C, 6, 1);
-
-/* pci_cqe_dqn
- * Descriptor Queue (DQ) Number.
- */
-MLXSW_ITEM32(pci, cqe, dqn, 0x0C, 1, 5);
-
-/* pci_cqe_owner
- * Ownership bit.
- */
-MLXSW_ITEM32(pci, cqe, owner, 0x0C, 0, 1);
-
-/* pci_eqe_event_type
- * Event type.
- */
-MLXSW_ITEM32(pci, eqe, event_type, 0x0C, 24, 8);
-#define MLXSW_PCI_EQE_EVENT_TYPE_COMP	0x00
-#define MLXSW_PCI_EQE_EVENT_TYPE_CMD	0x0A
-
-/* pci_eqe_event_sub_type
- * Event type.
- */
-MLXSW_ITEM32(pci, eqe, event_sub_type, 0x0C, 16, 8);
-
-/* pci_eqe_cqn
- * Completion Queue that triggeret this EQE.
- */
-MLXSW_ITEM32(pci, eqe, cqn, 0x0C, 8, 7);
-
-/* pci_eqe_owner
- * Ownership bit.
- */
-MLXSW_ITEM32(pci, eqe, owner, 0x0C, 0, 1);
-
-/* pci_eqe_cmd_token
- * Command completion event - token
- */
-MLXSW_ITEM32(pci, eqe, cmd_token, 0x08, 16, 16);
-
-/* pci_eqe_cmd_status
- * Command completion event - status
- */
-MLXSW_ITEM32(pci, eqe, cmd_status, 0x08, 0, 8);
-
-/* pci_eqe_cmd_out_param_h
- * Command completion event - output parameter - higher part
- */
-MLXSW_ITEM32(pci, eqe, cmd_out_param_h, 0x0C, 0, 32);
-
-/* pci_eqe_cmd_out_param_l
- * Command completion event - output parameter - lower part
- */
-MLXSW_ITEM32(pci, eqe, cmd_out_param_l, 0x10, 0, 32);
+#endif
 
 #endif

drivers/net/ethernet/mellanox/mlxsw/pci_hw.h

@@ -0,0 +1,229 @@
+/*
+ * drivers/net/ethernet/mellanox/mlxsw/pci_hw.h
+ * Copyright (c) 2015-2016 Mellanox Technologies. All rights reserved.
+ * Copyright (c) 2015-2016 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_HW_H
+#define _MLXSW_PCI_HW_H
+
+#include <linux/bitops.h>
+
+#include "item.h"
+
+#define MLXSW_PCI_BAR0_SIZE		(1024 * 1024) /* 1MB */
+#define MLXSW_PCI_PAGE_SIZE		4096
+
+#define MLXSW_PCI_CIR_BASE			0x71000
+#define MLXSW_PCI_CIR_IN_PARAM_HI		MLXSW_PCI_CIR_BASE
+#define MLXSW_PCI_CIR_IN_PARAM_LO		(MLXSW_PCI_CIR_BASE + 0x04)
+#define MLXSW_PCI_CIR_IN_MODIFIER		(MLXSW_PCI_CIR_BASE + 0x08)
+#define MLXSW_PCI_CIR_OUT_PARAM_HI		(MLXSW_PCI_CIR_BASE + 0x0C)
+#define MLXSW_PCI_CIR_OUT_PARAM_LO		(MLXSW_PCI_CIR_BASE + 0x10)
+#define MLXSW_PCI_CIR_TOKEN			(MLXSW_PCI_CIR_BASE + 0x14)
+#define MLXSW_PCI_CIR_CTRL			(MLXSW_PCI_CIR_BASE + 0x18)
+#define MLXSW_PCI_CIR_CTRL_GO_BIT		BIT(23)
+#define MLXSW_PCI_CIR_CTRL_EVREQ_BIT		BIT(22)
+#define MLXSW_PCI_CIR_CTRL_OPCODE_MOD_SHIFT	12
+#define MLXSW_PCI_CIR_CTRL_STATUS_SHIFT		24
+#define MLXSW_PCI_CIR_TIMEOUT_MSECS		1000
+
+#define MLXSW_PCI_SW_RESET			0xF0010
+#define MLXSW_PCI_SW_RESET_RST_BIT		BIT(0)
+#define MLXSW_PCI_SW_RESET_TIMEOUT_MSECS	5000
+#define MLXSW_PCI_FW_READY			0xA1844
+#define MLXSW_PCI_FW_READY_MASK			0xFF
+#define MLXSW_PCI_FW_READY_MAGIC		0x5E
+
+#define MLXSW_PCI_DOORBELL_SDQ_OFFSET		0x000
+#define MLXSW_PCI_DOORBELL_RDQ_OFFSET		0x200
+#define MLXSW_PCI_DOORBELL_CQ_OFFSET		0x400
+#define MLXSW_PCI_DOORBELL_EQ_OFFSET		0x600
+#define MLXSW_PCI_DOORBELL_ARM_CQ_OFFSET	0x800
+#define MLXSW_PCI_DOORBELL_ARM_EQ_OFFSET	0xA00
+
+#define MLXSW_PCI_DOORBELL(offset, type_offset, num)	\
+	((offset) + (type_offset) + (num) * 4)
+
+#define MLXSW_PCI_CQS_MAX	96
+#define MLXSW_PCI_EQS_COUNT	2
+#define MLXSW_PCI_EQ_ASYNC_NUM	0
+#define MLXSW_PCI_EQ_COMP_NUM	1
+
+#define MLXSW_PCI_AQ_PAGES	8
+#define MLXSW_PCI_AQ_SIZE	(MLXSW_PCI_PAGE_SIZE * MLXSW_PCI_AQ_PAGES)
+#define MLXSW_PCI_WQE_SIZE	32 /* 32 bytes per element */
+#define MLXSW_PCI_CQE_SIZE	16 /* 16 bytes per element */
+#define MLXSW_PCI_EQE_SIZE	16 /* 16 bytes per element */
+#define MLXSW_PCI_WQE_COUNT	(MLXSW_PCI_AQ_SIZE / MLXSW_PCI_WQE_SIZE)
+#define MLXSW_PCI_CQE_COUNT	(MLXSW_PCI_AQ_SIZE / MLXSW_PCI_CQE_SIZE)
+#define MLXSW_PCI_EQE_COUNT	(MLXSW_PCI_AQ_SIZE / MLXSW_PCI_EQE_SIZE)
+#define MLXSW_PCI_EQE_UPDATE_COUNT	0x80
+
+#define MLXSW_PCI_WQE_SG_ENTRIES	3
+#define MLXSW_PCI_WQE_TYPE_ETHERNET	0xA
+
+/* pci_wqe_c
+ * If set it indicates that a completion should be reported upon
+ * execution of this descriptor.
+ */
+MLXSW_ITEM32(pci, wqe, c, 0x00, 31, 1);
+
+/* pci_wqe_lp
+ * Local Processing, set if packet should be processed by the local
+ * switch hardware:
+ * For Ethernet EMAD (Direct Route and non Direct Route) -
+ * must be set if packet destination is local device
+ * For InfiniBand CTL - must be set if packet destination is local device
+ * Otherwise it must be clear
+ * Local Process packets must not exceed the size of 2K (including payload
+ * and headers).
+ */
+MLXSW_ITEM32(pci, wqe, lp, 0x00, 30, 1);
+
+/* pci_wqe_type
+ * Packet type.
+ */
+MLXSW_ITEM32(pci, wqe, type, 0x00, 23, 4);
+
+/* pci_wqe_byte_count
+ * Size of i-th scatter/gather entry, 0 if entry is unused.
+ */
+MLXSW_ITEM16_INDEXED(pci, wqe, byte_count, 0x02, 0, 14, 0x02, 0x00, false);
+
+/* pci_wqe_address
+ * Physical address of i-th scatter/gather entry.
+ * Gather Entries must be 2Byte aligned.
+ */
+MLXSW_ITEM64_INDEXED(pci, wqe, address, 0x08, 0, 64, 0x8, 0x0, false);
+
+/* pci_cqe_lag
+ * Packet arrives from a port which is a LAG
+ */
+MLXSW_ITEM32(pci, cqe, lag, 0x00, 23, 1);
+
+/* pci_cqe_system_port/lag_id
+ * When lag=0: System port on which the packet was received
+ * When lag=1:
+ * bits [15:4] LAG ID on which the packet was received
+ * bits [3:0] sub_port on which the packet was received
+ */
+MLXSW_ITEM32(pci, cqe, system_port, 0x00, 0, 16);
+MLXSW_ITEM32(pci, cqe, lag_id, 0x00, 4, 12);
+MLXSW_ITEM32(pci, cqe, lag_port_index, 0x00, 0, 4);
+
+/* pci_cqe_wqe_counter
+ * WQE count of the WQEs completed on the associated dqn
+ */
+MLXSW_ITEM32(pci, cqe, wqe_counter, 0x04, 16, 16);
+
+/* pci_cqe_byte_count
+ * Byte count of received packets including additional two
+ * Reserved Bytes that are append to the end of the frame.
+ * Reserved for Send CQE.
+ */
+MLXSW_ITEM32(pci, cqe, byte_count, 0x04, 0, 14);
+
+/* pci_cqe_trap_id
+ * Trap ID that captured the packet.
+ */
+MLXSW_ITEM32(pci, cqe, trap_id, 0x08, 0, 8);
+
+/* pci_cqe_crc
+ * Length include CRC. Indicates the length field includes
+ * the packet's CRC.
+ */
+MLXSW_ITEM32(pci, cqe, crc, 0x0C, 8, 1);
+
+/* pci_cqe_e
+ * CQE with Error.
+ */
+MLXSW_ITEM32(pci, cqe, e, 0x0C, 7, 1);
+
+/* pci_cqe_sr
+ * 1 - Send Queue
+ * 0 - Receive Queue
+ */
+MLXSW_ITEM32(pci, cqe, sr, 0x0C, 6, 1);
+
+/* pci_cqe_dqn
+ * Descriptor Queue (DQ) Number.
+ */
+MLXSW_ITEM32(pci, cqe, dqn, 0x0C, 1, 5);
+
+/* pci_cqe_owner
+ * Ownership bit.
+ */
+MLXSW_ITEM32(pci, cqe, owner, 0x0C, 0, 1);
+
+/* pci_eqe_event_type
+ * Event type.
+ */
+MLXSW_ITEM32(pci, eqe, event_type, 0x0C, 24, 8);
+#define MLXSW_PCI_EQE_EVENT_TYPE_COMP	0x00
+#define MLXSW_PCI_EQE_EVENT_TYPE_CMD	0x0A
+
+/* pci_eqe_event_sub_type
+ * Event type.
+ */
+MLXSW_ITEM32(pci, eqe, event_sub_type, 0x0C, 16, 8);
+
+/* pci_eqe_cqn
+ * Completion Queue that triggeret this EQE.
+ */
+MLXSW_ITEM32(pci, eqe, cqn, 0x0C, 8, 7);
+
+/* pci_eqe_owner
+ * Ownership bit.
+ */
+MLXSW_ITEM32(pci, eqe, owner, 0x0C, 0, 1);
+
+/* pci_eqe_cmd_token
+ * Command completion event - token
+ */
+MLXSW_ITEM32(pci, eqe, cmd_token, 0x08, 16, 16);
+
+/* pci_eqe_cmd_status
+ * Command completion event - status
+ */
+MLXSW_ITEM32(pci, eqe, cmd_status, 0x08, 0, 8);
+
+/* pci_eqe_cmd_out_param_h
+ * Command completion event - output parameter - higher part
+ */
+MLXSW_ITEM32(pci, eqe, cmd_out_param_h, 0x0C, 0, 32);
+
+/* pci_eqe_cmd_out_param_l
+ * Command completion event - output parameter - lower part
+ */
+MLXSW_ITEM32(pci, eqe, cmd_out_param_l, 0x10, 0, 32);
+
+#endif

drivers/net/ethernet/mellanox/mlxsw/spectrum.c

@@ -37,6 +37,7 @@
 #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>
@@ -59,6 +60,7 @@
 #include <net/netevent.h>
 
 #include "spectrum.h"
+#include "pci.h"
 #include "core.h"
 #include "reg.h"
 #include "port.h"
@@ -2220,6 +2222,7 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port,
 	dev = alloc_etherdev(sizeof(struct mlxsw_sp_port));
 	if (!dev)
 		return -ENOMEM;
+	SET_NETDEV_DEV(dev, mlxsw_sp->bus_info->dev);
 	mlxsw_sp_port = netdev_priv(dev);
 	mlxsw_sp_port->dev = dev;
 	mlxsw_sp_port->mlxsw_sp = mlxsw_sp;
@@ -3066,8 +3069,7 @@ static struct mlxsw_config_profile mlxsw_sp_config_profile = {
 };
 
 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,
@@ -4662,6 +4664,16 @@ static struct notifier_block mlxsw_sp_router_netevent_nb __read_mostly = {
 	.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;
@@ -4673,8 +4685,15 @@ static int __init mlxsw_sp_module_init(void)
 	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);
@@ -4684,6 +4703,7 @@ err_core_driver_register:
 
 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);
@@ -4696,4 +4716,4 @@ module_exit(mlxsw_sp_module_exit);
 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);

drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c

@@ -1980,7 +1980,7 @@ int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp)
 	if (err)
 		goto err_vrs_init;
 
-	err =  mlxsw_sp_neigh_init(mlxsw_sp);
+	err = mlxsw_sp_neigh_init(mlxsw_sp);
 	if (err)
 		goto err_neigh_init;
 

drivers/net/ethernet/mellanox/mlxsw/switchx2.c

@@ -37,6 +37,7 @@
 #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>
@@ -46,6 +47,7 @@
 #include <net/switchdev.h>
 #include <generated/utsrelease.h>
 
+#include "pci.h"
 #include "core.h"
 #include "reg.h"
 #include "port.h"
@@ -966,6 +968,7 @@ static int mlxsw_sx_port_create(struct mlxsw_sx *mlxsw_sx, u8 local_port)
 	dev = alloc_etherdev(sizeof(struct mlxsw_sx_port));
 	if (!dev)
 		return -ENOMEM;
+	SET_NETDEV_DEV(dev, mlxsw_sx->bus_info->dev);
 	mlxsw_sx_port = netdev_priv(dev);
 	mlxsw_sx_port->dev = dev;
 	mlxsw_sx_port->mlxsw_sx = mlxsw_sx;
@@ -1544,8 +1547,7 @@ static struct mlxsw_config_profile mlxsw_sx_config_profile = {
 };
 
 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,
@@ -1554,13 +1556,38 @@ static struct mlxsw_driver mlxsw_sx_driver = {
 	.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);
 }
 
@@ -1570,4 +1597,4 @@ module_exit(mlxsw_sx_module_exit);
 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);