1.Add nbl min build infrastructure for nbl driver. 2.Implemented the framework of pci device initialization. Signed-off-by: illusion.wang --- .../ethernet/nebula-matrix/m18100.rst | 52 ++++++++ MAINTAINERS | 10 ++ drivers/net/ethernet/Kconfig | 1 + drivers/net/ethernet/Makefile | 1 + drivers/net/ethernet/nebula-matrix/Kconfig | 39 ++++++ drivers/net/ethernet/nebula-matrix/Makefile | 6 + .../net/ethernet/nebula-matrix/nbl/Makefile | 11 ++ .../net/ethernet/nebula-matrix/nbl/nbl_core.h | 29 +++++ .../nbl/nbl_include/nbl_include.h | 24 ++++ .../net/ethernet/nebula-matrix/nbl/nbl_main.c | 117 ++++++++++++++++++ 10 files changed, 290 insertions(+) create mode 100644 Documentation/networking/device_drivers/ethernet/nebula-matrix/m18100.rst create mode 100644 drivers/net/ethernet/nebula-matrix/Kconfig create mode 100644 drivers/net/ethernet/nebula-matrix/Makefile create mode 100644 drivers/net/ethernet/nebula-matrix/nbl/Makefile create mode 100644 drivers/net/ethernet/nebula-matrix/nbl/nbl_core.h create mode 100644 drivers/net/ethernet/nebula-matrix/nbl/nbl_include/nbl_include.h create mode 100644 drivers/net/ethernet/nebula-matrix/nbl/nbl_main.c diff --git a/Documentation/networking/device_drivers/ethernet/nebula-matrix/m18100.rst b/Documentation/networking/device_drivers/ethernet/nebula-matrix/m18100.rst new file mode 100644 index 000000000000..e1b63a2bafe0 --- /dev/null +++ b/Documentation/networking/device_drivers/ethernet/nebula-matrix/m18100.rst @@ -0,0 +1,52 @@ +.. SPDX-License-Identifier: GPL-2.0 + +============================================================ +Linux Base Driver for Nebula-matrix M18100-NIC family +============================================================ + +Overview: +========= +M18100-NIC is a series of network interface card for the Data Center Area. + +The driver supports link-speed 100GbE/25GE/10GE. + +M18100-NIC devices support SR-IOV. This driver is used for both of Physical +Function(PF) and Virtual Function(VF). + +M18100-NIC devices support MSI-X interrupt vector for each Tx/Rx queue and +interrupt moderation. + +M18100-NIC devices support also various offload features such as checksum offload, +Receive-Side Scaling(RSS). + + +Supported PCI vendor ID/device IDs: +=================================== + +1f0f:3403 - M18110 Family PF +1f0f:3404 - M18110 Lx Family PF +1f0f:3405 - M18110 Family BASE-T PF +1f0f:3406 - M18110 Lx Family BASE-T PF +1f0f:3407 - M18110 Family OCP PF +1f0f:3408 - M18110 Lx Family OCP PF +1f0f:3409 - M18110 Family BASE-T OCP PF +1f0f:340a - M18110 Lx Family BASE-T OCP PF +1f0f:340b - M18100 Family PF +1f0f:340c - M18100 Lx Family PF +1f0f:340d - M18100 Family BASE-T PF +1f0f:340e - M18100 Lx Family BASE-T PF +1f0f:340f - M18100 Family OCP PF +1f0f:3410 - M18100 Lx Family OCP PF +1f0f:3411 - M18100 Family BASE-T OCP PF +1f0f:3412 - M18100 Lx Family BASE-T OCP PF +1f0f:3413 - M18100 Family Virtual Function + +Support +======= + +For more information about M18100-NIC, please visit the following URL: +https://www.nebula-matrix.com/ + +If an issue is identified with the released source code on the supported kernel +with a supported adapter, email the specific information related to the issue to +open@nebula-matrix.com. diff --git a/MAINTAINERS b/MAINTAINERS index 765ad2daa218..6cf58be32a17 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -18003,6 +18003,16 @@ F: Documentation/devicetree/bindings/hwmon/nuvoton,nct7363.yaml F: Documentation/hwmon/nct7363.rst F: drivers/hwmon/nct7363.c +NEBULA-MATRIX ETHERNET DRIVER (nebula-matrix) +M: llusion.Wang +M: Dimon.Zhao +M: Alvin.Wang +M: Sam Chen +L: netdev@vger.kernel.org +S: Maintained +F: Documentation/networking/device_drivers/ethernet/nebula-matrix/* +F: drivers/net/ethernet/nebula-matrix/ + NETCONSOLE M: Breno Leitao S: Maintained diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig index 4a1b368ca7e6..4753e203ba85 100644 --- a/drivers/net/ethernet/Kconfig +++ b/drivers/net/ethernet/Kconfig @@ -143,6 +143,7 @@ config FEALNX source "drivers/net/ethernet/ni/Kconfig" source "drivers/net/ethernet/natsemi/Kconfig" +source "drivers/net/ethernet/nebula-matrix/Kconfig" source "drivers/net/ethernet/neterion/Kconfig" source "drivers/net/ethernet/netronome/Kconfig" source "drivers/net/ethernet/8390/Kconfig" diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile index 2e18df8ca8ec..fec3cbf75f10 100644 --- a/drivers/net/ethernet/Makefile +++ b/drivers/net/ethernet/Makefile @@ -69,6 +69,7 @@ obj-$(CONFIG_NET_VENDOR_MUCSE) += mucse/ obj-$(CONFIG_NET_VENDOR_MYRI) += myricom/ obj-$(CONFIG_FEALNX) += fealnx.o obj-$(CONFIG_NET_VENDOR_NATSEMI) += natsemi/ +obj-$(CONFIG_NET_VENDOR_NEBULA_MATRIX) += nebula-matrix/ obj-$(CONFIG_NET_VENDOR_NETERION) += neterion/ obj-$(CONFIG_NET_VENDOR_NETRONOME) += netronome/ obj-$(CONFIG_NET_VENDOR_NI) += ni/ diff --git a/drivers/net/ethernet/nebula-matrix/Kconfig b/drivers/net/ethernet/nebula-matrix/Kconfig new file mode 100644 index 000000000000..ff786917f2bf --- /dev/null +++ b/drivers/net/ethernet/nebula-matrix/Kconfig @@ -0,0 +1,39 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Nebula-matrix network device configuration +# + +config NET_VENDOR_NEBULA_MATRIX + bool "Nebula-matrix devices" + default y + help + If you have a network (Ethernet) card belonging to this class, say Y. + + Note that the answer to this question doesn't directly affect the + kernel: saying N will just cause the configurator to skip all + the questions about Nebula-matrix cards. If you say Y, you will be + asked for your specific card in the following questions. + +if NET_VENDOR_NEBULA_MATRIX + +config NBL_CORE + tristate "Nebula-matrix Ethernet Controller m18110 Family support" + depends on PCI && VFIO + depends on ARM64 || X86_64 + default m + select PLDMFW + select PAGE_POOL + help + This driver supports Nebula-matrix Ethernet Controller m18110 Family of + devices. For more information about this product, go to the product + description with smart NIC: + + + + More specific information on configuring the driver is in + . + + To compile this driver as a module, choose M here. The module + will be called nbl_core. + +endif # NET_VENDOR_NEBULA_MATRIX diff --git a/drivers/net/ethernet/nebula-matrix/Makefile b/drivers/net/ethernet/nebula-matrix/Makefile new file mode 100644 index 000000000000..dc6bf7dcd6bf --- /dev/null +++ b/drivers/net/ethernet/nebula-matrix/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for the Nebula-matrix network device drivers. +# + +obj-$(CONFIG_NBL_CORE) += nbl/ diff --git a/drivers/net/ethernet/nebula-matrix/nbl/Makefile b/drivers/net/ethernet/nebula-matrix/nbl/Makefile new file mode 100644 index 000000000000..df16a3436a5c --- /dev/null +++ b/drivers/net/ethernet/nebula-matrix/nbl/Makefile @@ -0,0 +1,11 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2025 Nebula Matrix Limited. +# Author: + +obj-$(CONFIG_NBL_CORE) := nbl_core.o + +nbl_core-objs += nbl_main.o + +# Provide include files +ccflags-y += -I$(srctree)/drivers/net/ethernet/nebula-matrix/nbl/nbl_include/ +ccflags-y += -I$(srctree)/drivers/net/ethernet/nebula-matrix/nbl/ diff --git a/drivers/net/ethernet/nebula-matrix/nbl/nbl_core.h b/drivers/net/ethernet/nebula-matrix/nbl/nbl_core.h new file mode 100644 index 000000000000..e91de717bfe8 --- /dev/null +++ b/drivers/net/ethernet/nebula-matrix/nbl/nbl_core.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0*/ +/* + * Copyright (c) 2025 Nebula Matrix Limited. + * Author: + */ + +#ifndef _NBL_CORE_H_ +#define _NBL_CORE_H_ + +#include +#include "nbl_include.h" +#define NBL_CAP_TEST_BIT(val, loc) (((val) >> (loc)) & 0x1) + +#define NBL_CAP_IS_CTRL(val) NBL_CAP_TEST_BIT(val, NBL_CAP_HAS_CTRL_BIT) +#define NBL_CAP_IS_NET(val) NBL_CAP_TEST_BIT(val, NBL_CAP_HAS_NET_BIT) +#define NBL_CAP_IS_VF(val) NBL_CAP_TEST_BIT(val, NBL_CAP_IS_VF_BIT) +#define NBL_CAP_IS_NIC(val) NBL_CAP_TEST_BIT(val, NBL_CAP_IS_NIC_BIT) +#define NBL_CAP_IS_OCP(val) NBL_CAP_TEST_BIT(val, NBL_CAP_IS_OCP_BIT) +#define NBL_CAP_IS_LEONIS(val) NBL_CAP_TEST_BIT(val, NBL_CAP_IS_LEONIS_BIT) + +enum { + NBL_CAP_HAS_CTRL_BIT = 0, + NBL_CAP_HAS_NET_BIT, + NBL_CAP_IS_VF_BIT, + NBL_CAP_IS_NIC_BIT, + NBL_CAP_IS_LEONIS_BIT, + NBL_CAP_IS_OCP_BIT, +}; +#endif diff --git a/drivers/net/ethernet/nebula-matrix/nbl/nbl_include/nbl_include.h b/drivers/net/ethernet/nebula-matrix/nbl/nbl_include/nbl_include.h new file mode 100644 index 000000000000..963e13927a79 --- /dev/null +++ b/drivers/net/ethernet/nebula-matrix/nbl/nbl_include/nbl_include.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0*/ +/* + * Copyright (c) 2025 Nebula Matrix Limited. + * Author: + */ + +#ifndef _NBL_INCLUDE_H_ +#define _NBL_INCLUDE_H_ + +#include + +/* ------ Basic definitions ------- */ +#define NBL_DRIVER_NAME "nbl_core" + +struct nbl_func_caps { + u32 has_ctrl:1; + u32 has_net:1; + u32 is_vf:1; + u32 is_nic:1; + u32 is_ocp:1; + u32 rsv:27; +}; + +#endif diff --git a/drivers/net/ethernet/nebula-matrix/nbl/nbl_main.c b/drivers/net/ethernet/nebula-matrix/nbl/nbl_main.c new file mode 100644 index 000000000000..ddb45144ff1c --- /dev/null +++ b/drivers/net/ethernet/nebula-matrix/nbl/nbl_main.c @@ -0,0 +1,117 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2025 Nebula Matrix Limited. + * Author: + */ + +#include +#include "nbl_core.h" + +static int nbl_probe(struct pci_dev *pdev, + const struct pci_device_id __always_unused *id) +{ + struct device *dev = &pdev->dev; + + dev_dbg(dev, "nbl probe ok!\n"); + return 0; +} + +static void nbl_remove(struct pci_dev *pdev) +{ + dev_dbg(&pdev->dev, "nbl remove OK!\n"); +} + +#define NBL_VENDOR_ID (0x1F0F) + +/* + * Leonis DeviceID + * 0x3403-0x340d for snic v3r1 product + */ +#define NBL_DEVICE_ID_M18110 (0x3403) +#define NBL_DEVICE_ID_M18110_LX (0x3404) +#define NBL_DEVICE_ID_M18110_BASE_T (0x3405) +#define NBL_DEVICE_ID_M18110_LX_BASE_T (0x3406) +#define NBL_DEVICE_ID_M18110_OCP (0x3407) +#define NBL_DEVICE_ID_M18110_LX_OCP (0x3408) +#define NBL_DEVICE_ID_M18110_BASE_T_OCP (0x3409) +#define NBL_DEVICE_ID_M18110_LX_BASE_T_OCP (0x340a) +#define NBL_DEVICE_ID_M18000 (0x340b) +#define NBL_DEVICE_ID_M18000_LX (0x340c) +#define NBL_DEVICE_ID_M18000_BASE_T (0x340d) +#define NBL_DEVICE_ID_M18000_LX_BASE_T (0x340e) +#define NBL_DEVICE_ID_M18000_OCP (0x340f) +#define NBL_DEVICE_ID_M18000_LX_OCP (0x3410) +#define NBL_DEVICE_ID_M18000_BASE_T_OCP (0x3411) +#define NBL_DEVICE_ID_M18000_LX_BASE_T_OCP (0x3412) +#define NBL_DEVICE_ID_M18000_VF (0x3413) + +static const struct pci_device_id nbl_id_table[] = { + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18110), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) | BIT(NBL_CAP_IS_NIC_BIT) | + BIT(NBL_CAP_IS_LEONIS_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18110_LX), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) | BIT(NBL_CAP_IS_NIC_BIT) | + BIT(NBL_CAP_IS_LEONIS_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18110_BASE_T), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) | BIT(NBL_CAP_IS_NIC_BIT) | + BIT(NBL_CAP_IS_LEONIS_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18110_LX_BASE_T), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) | BIT(NBL_CAP_IS_NIC_BIT) | + BIT(NBL_CAP_IS_LEONIS_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18110_OCP), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) | BIT(NBL_CAP_IS_NIC_BIT) | + BIT(NBL_CAP_IS_LEONIS_BIT) | BIT(NBL_CAP_IS_OCP_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18110_LX_OCP), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) | BIT(NBL_CAP_IS_NIC_BIT) | + BIT(NBL_CAP_IS_LEONIS_BIT) | BIT(NBL_CAP_IS_OCP_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18110_BASE_T_OCP), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) | BIT(NBL_CAP_IS_NIC_BIT) | + BIT(NBL_CAP_IS_LEONIS_BIT) | BIT(NBL_CAP_IS_OCP_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18110_LX_BASE_T_OCP), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) | BIT(NBL_CAP_IS_NIC_BIT) | + BIT(NBL_CAP_IS_LEONIS_BIT) | BIT(NBL_CAP_IS_OCP_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18000), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) | BIT(NBL_CAP_IS_NIC_BIT) | + BIT(NBL_CAP_IS_LEONIS_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18000_LX), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) | BIT(NBL_CAP_IS_NIC_BIT) | + BIT(NBL_CAP_IS_LEONIS_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18000_BASE_T), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) | BIT(NBL_CAP_IS_NIC_BIT) | + BIT(NBL_CAP_IS_LEONIS_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18000_LX_BASE_T), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) | BIT(NBL_CAP_IS_NIC_BIT) | + BIT(NBL_CAP_IS_LEONIS_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18000_OCP), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) | BIT(NBL_CAP_IS_NIC_BIT) | + BIT(NBL_CAP_IS_LEONIS_BIT) | BIT(NBL_CAP_IS_OCP_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18000_LX_OCP), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) | BIT(NBL_CAP_IS_NIC_BIT) | + BIT(NBL_CAP_IS_LEONIS_BIT) | BIT(NBL_CAP_IS_OCP_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18000_BASE_T_OCP), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) | BIT(NBL_CAP_IS_NIC_BIT) | + BIT(NBL_CAP_IS_LEONIS_BIT) | BIT(NBL_CAP_IS_OCP_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18000_LX_BASE_T_OCP), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) | BIT(NBL_CAP_IS_NIC_BIT) | + BIT(NBL_CAP_IS_LEONIS_BIT) | BIT(NBL_CAP_IS_OCP_BIT) }, + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18000_VF), + .driver_data = BIT(NBL_CAP_HAS_NET_BIT) | BIT(NBL_CAP_IS_VF_BIT) | + BIT(NBL_CAP_IS_NIC_BIT) | BIT(NBL_CAP_IS_LEONIS_BIT) }, + /* required as sentinel */ + { + 0, + } +}; +MODULE_DEVICE_TABLE(pci, nbl_id_table); + +static struct pci_driver nbl_driver = { + .name = NBL_DRIVER_NAME, + .id_table = nbl_id_table, + .probe = nbl_probe, + .remove = nbl_remove, +}; + +module_pci_driver(nbl_driver); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Nebula Matrix Network Driver"); -- 2.47.3