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authorDavid S. Miller <davem@davemloft.net>2016-10-28 13:45:53 -0400
committerDavid S. Miller <davem@davemloft.net>2016-10-28 13:45:53 -0400
commitd5a14ff0ff0de4addedd46df873c0b8e1deb3dd5 (patch)
tree0d6f72fc4417a09089dd55968c31d9f8adb284f4
parent1d0057883626a004365537dff741b31eaf9e27a4 (diff)
parent71fac305fb78967b2c856848dead355262ba9e03 (diff)
downloadlinux-d5a14ff0ff0de4addedd46df873c0b8e1deb3dd5.tar.gz
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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>
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/Kconfig4
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/core.c14
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/core.h8
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/pci.c56
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/pci.h206
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/pci_hw.h229
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum.c26
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/switchx2.c35
9 files changed, 323 insertions, 257 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/Kconfig b/drivers/net/ethernet/mellanox/mlxsw/Kconfig
index 5989f7cb5462..d0bcf59c1bd6 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/Kconfig
+++ b/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
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c
index a37d471728ed..02183f6a8b93 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core.c
+++ b/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)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.h b/drivers/net/ethernet/mellanox/mlxsw/core.h
index 94a846d34c2f..0cf721cee7fb 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core.h
+++ b/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);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c
index c88f2ab90a39..63d89f787ad7 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/pci.c
+++ b/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);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.h b/drivers/net/ethernet/mellanox/mlxsw/pci.h
index d942a3e6fa41..35a0011be64d 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/pci.h
+++ b/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
diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h b/drivers/net/ethernet/mellanox/mlxsw/pci_hw.h
new file mode 100644
index 000000000000..708736f387e2
--- /dev/null
+++ b/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
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 5d8f1d51a403..d652f7f030cb 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/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);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index 113f667e59df..107934fe06ce 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/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;
diff --git a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
index 963618da81a9..dc3c5ed73ecd 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
+++ b/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);