From nobody Sun Apr 5 16:27:54 2026 Received: from out28-73.mail.aliyun.com (out28-73.mail.aliyun.com [115.124.28.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C51A732AABA; Wed, 1 Apr 2026 02:28:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.28.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775010539; cv=none; b=tKTNq+K2IfnPDceNgoYD8xFhJME86HGURlPI0vbNm6kMHUSrHHaWu1Lrtx8iDrMk3GFkxheNOpVe+svh5JMkti/dBb2Sxp9B6/hlpXHiDmRblaqfCciB7Vwi6azcCDn9G+xO3xPGFbQw/jraKYqtIoxiDJLvyD/oVzXxhMNlqc0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775010539; c=relaxed/simple; bh=mQ3c85qmG5mCLKkLJIM5TV8h8s8cFWs3whvIHT8Mszc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=R8HcBvYrZh/iihVc7B6iAbAwibOMstGWzg9AZdOW8VGmTFzs1JdkVNfAdi2AVUFu23dBPZN2AqtXLINXv4/3nHa2eV2Jbdft4xSu2lidI+GpKuCAa919WgT13H+R+b/9IsyFWILYGAQkYJ/jSvV1tKynee0FCAmW8tSa9oCIQU8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=nebula-matrix.com; spf=pass smtp.mailfrom=nebula-matrix.com; arc=none smtp.client-ip=115.124.28.73 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=nebula-matrix.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nebula-matrix.com X-Alimail-AntiSpam: AC=CONTINUE;BC=0.0671315|-1;CH=green;DM=|CONTINUE|false|;DS=CONTINUE|ham_system_inform|0.0221906-0.00311292-0.974696;FP=16597462795852193458|0|0|0|0|-1|-1|-1;HT=maildocker-contentspam033023018039;MF=illusion.wang@nebula-matrix.com;NM=1;PH=DS;RN=20;RT=20;SR=0;TI=SMTPD_---.h2VrTHw_1775010202; Received: from localhost.localdomain(mailfrom:illusion.wang@nebula-matrix.com fp:SMTPD_---.h2VrTHw_1775010202 cluster:ay29) by smtp.aliyun-inc.com; Wed, 01 Apr 2026 10:23:23 +0800 From: "illusion.wang" To: dimon.zhao@nebula-matrix.com, illusion.wang@nebula-matrix.com, alvin.wang@nebula-matrix.com, sam.chen@nebula-matrix.com, netdev@vger.kernel.org Cc: andrew+netdev@lunn.ch, corbet@lwn.net, kuba@kernel.org, linux-doc@vger.kernel.org, lorenzo@kernel.org, pabeni@redhat.com, horms@kernel.org, vadim.fedorenko@linux.dev, lukas.bulwahn@redhat.com, edumazet@google.com, enelsonmoore@gmail.com, skhan@linuxfoundation.org, hkallweit1@gmail.com, jani.nikula@intel.com, linux-kernel@vger.kernel.org (open list) Subject: [PATCH v10 net-next 01/11] net/nebula-matrix: add minimum nbl build framework Date: Wed, 1 Apr 2026 10:23:04 +0800 Message-ID: <20260401022318.28550-2-illusion.wang@nebula-matrix.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260401022318.28550-1-illusion.wang@nebula-matrix.com> References: <20260401022318.28550-1-illusion.wang@nebula-matrix.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 1.Add nbl min build infrastructure for nbl driver. 2.Implemented the framework of pci device initialization. Signed-off-by: illusion.wang --- .../device_drivers/ethernet/index.rst | 1 + .../ethernet/nebula-matrix/nbl.rst | 27 +++++ MAINTAINERS | 10 ++ drivers/net/ethernet/Kconfig | 1 + drivers/net/ethernet/Makefile | 1 + drivers/net/ethernet/nebula-matrix/Kconfig | 34 ++++++ drivers/net/ethernet/nebula-matrix/Makefile | 6 + .../net/ethernet/nebula-matrix/nbl/Makefile | 6 + .../net/ethernet/nebula-matrix/nbl/nbl_core.h | 16 +++ .../nbl/nbl_include/nbl_include.h | 21 ++++ .../net/ethernet/nebula-matrix/nbl/nbl_main.c | 113 ++++++++++++++++++ 11 files changed, 236 insertions(+) create mode 100644 Documentation/networking/device_drivers/ethernet/nebula= -matrix/nbl.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/index.rst b/D= ocumentation/networking/device_drivers/ethernet/index.rst index 5f3f06111911..14868fabc1c6 100644 --- a/Documentation/networking/device_drivers/ethernet/index.rst +++ b/Documentation/networking/device_drivers/ethernet/index.rst @@ -48,6 +48,7 @@ Contents: meta/fbnic microsoft/netvsc mucse/rnpgbe + nebula-matrix/nbl netronome/nfp pensando/ionic pensando/ionic_rdma diff --git a/Documentation/networking/device_drivers/ethernet/nebula-matrix= /nbl.rst b/Documentation/networking/device_drivers/ethernet/nebula-matrix/n= bl.rst new file mode 100644 index 000000000000..262796717dc4 --- /dev/null +++ b/Documentation/networking/device_drivers/ethernet/nebula-matrix/nbl.rst @@ -0,0 +1,27 @@ +.. SPDX-License-Identifier: GPL-2.0 + +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D +Linux Base Driver for Nebula-matrix M18000-NIC family +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D + +Overview: +=3D=3D=3D=3D=3D=3D=3D=3D=3D +M18000-NIC is a series of network interface card for the Data Center Area. + +The driver supports link-speed 100GbE/25GE/10GE. + +M18000-NIC devices support MSI-X interrupt vector for each Tx/Rx queue and +interrupt moderation. + +M18000-NIC devices support also various offload features such as checksum = offload, +Receive-Side Scaling(RSS). + +Support +=3D=3D=3D=3D=3D=3D=3D + +For more information about M18000-NIC, please visit the following URL: +https://www.nebula-matrix.com/ + +If an issue is identified with the released source code on the supported k= ernel +with a supported adapter, email the specific information related to the is= sue to +open@nebula-matrix.com. diff --git a/MAINTAINERS b/MAINTAINERS index 7a2ffd9d37d5..041ad29ad62e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -18206,6 +18206,16 @@ F: Documentation/devicetree/bindings/hwmon/nuvoton= ,nct7363.yaml F: Documentation/hwmon/nct7363.rst F: drivers/hwmon/nct7363.c =20 +NEBULA-MATRIX ETHERNET DRIVER (nebula-matrix) +M: Illusion 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 aa7103e7f47f..3aa005adb90e 100644 --- a/drivers/net/ethernet/Kconfig +++ b/drivers/net/ethernet/Kconfig @@ -131,6 +131,7 @@ config FEALNX =20 source "drivers/net/ethernet/ni/Kconfig" source "drivers/net/ethernet/natsemi/Kconfig" +source "drivers/net/ethernet/nebula-matrix/Kconfig" source "drivers/net/ethernet/netronome/Kconfig" source "drivers/net/ethernet/8390/Kconfig" source "drivers/net/ethernet/nvidia/Kconfig" diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile index 6615a67a63d5..024a8e91abed 100644 --- a/drivers/net/ethernet/Makefile +++ b/drivers/net/ethernet/Makefile @@ -68,6 +68,7 @@ obj-$(CONFIG_NET_VENDOR_MUCSE) +=3D mucse/ obj-$(CONFIG_NET_VENDOR_MYRI) +=3D myricom/ obj-$(CONFIG_FEALNX) +=3D fealnx.o obj-$(CONFIG_NET_VENDOR_NATSEMI) +=3D natsemi/ +obj-$(CONFIG_NET_VENDOR_NEBULA_MATRIX) +=3D nebula-matrix/ obj-$(CONFIG_NET_VENDOR_NETRONOME) +=3D netronome/ obj-$(CONFIG_NET_VENDOR_NI) +=3D ni/ obj-$(CONFIG_NET_VENDOR_NVIDIA) +=3D nvidia/ diff --git a/drivers/net/ethernet/nebula-matrix/Kconfig b/drivers/net/ether= net/nebula-matrix/Kconfig new file mode 100644 index 000000000000..28a05dc7a0b4 --- /dev/null +++ b/drivers/net/ethernet/nebula-matrix/Kconfig @@ -0,0 +1,34 @@ +# 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 + tristate "Nebula-matrix Ethernet Controller m18100/m18000 support" + depends on 64BIT && PCI + help + This driver supports Nebula-matrix Ethernet Controller m18100/m18000 + 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. + +endif # NET_VENDOR_NEBULA_MATRIX diff --git a/drivers/net/ethernet/nebula-matrix/Makefile b/drivers/net/ethe= rnet/nebula-matrix/Makefile new file mode 100644 index 000000000000..42cdf2db8f0c --- /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-$(CONFIG_NBL) +=3D nbl/ diff --git a/drivers/net/ethernet/nebula-matrix/nbl/Makefile b/drivers/net/= ethernet/nebula-matrix/nbl/Makefile new file mode 100644 index 000000000000..b90fba239401 --- /dev/null +++ b/drivers/net/ethernet/nebula-matrix/nbl/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2025 Nebula Matrix Limited. + +obj-$(CONFIG_NBL) :=3D nbl.o + +nbl-objs +=3D nbl_main.o diff --git a/drivers/net/ethernet/nebula-matrix/nbl/nbl_core.h b/drivers/ne= t/ethernet/nebula-matrix/nbl/nbl_core.h new file mode 100644 index 000000000000..c525114297b4 --- /dev/null +++ b/drivers/net/ethernet/nebula-matrix/nbl/nbl_core.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2025 Nebula Matrix Limited. + */ + +#ifndef _NBL_CORE_H_ +#define _NBL_CORE_H_ + +enum { + NBL_CAP_HAS_CTRL_BIT, + NBL_CAP_HAS_NET_BIT, + NBL_CAP_IS_NIC_BIT, + NBL_CAP_IS_LEONIS_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..1046e6517b15 --- /dev/null +++ b/drivers/net/ethernet/nebula-matrix/nbl/nbl_include/nbl_include.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2025 Nebula Matrix Limited. + */ + +#ifndef _NBL_INCLUDE_H_ +#define _NBL_INCLUDE_H_ + +#include + +/* ------ Basic definitions ------- */ +#define NBL_DRIVER_NAME "nbl" + +struct nbl_func_caps { + u32 has_ctrl:1; + u32 has_net:1; + u32 is_nic:1; + u32 rsv:29; +}; + +#endif diff --git a/drivers/net/ethernet/nebula-matrix/nbl/nbl_main.c b/drivers/ne= t/ethernet/nebula-matrix/nbl/nbl_main.c new file mode 100644 index 000000000000..10c3536b327b --- /dev/null +++ b/drivers/net/ethernet/nebula-matrix/nbl/nbl_main.c @@ -0,0 +1,113 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2025 Nebula Matrix Limited. + */ + +#include +#include +#include +#include "nbl_include/nbl_include.h" +#include "nbl_core.h" + +static int nbl_probe(struct pci_dev *pdev, + const struct pci_device_id *id) +{ + return 0; +} + +static void nbl_remove(struct pci_dev *pdev) +{ +} + +/* + * PCI Device IDs for Leonis/NBL Network Controllers + * + * Vendor ID: 0x1F0F + * SNIC v3r1 product Device IDs range: 0x3403-0x3412 + */ +#define NBL_VENDOR_ID 0x1F0F + +#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 + +static const struct pci_device_id nbl_id_table[] =3D { + { PCI_DEVICE(NBL_VENDOR_ID, NBL_DEVICE_ID_M18110), + .driver_data =3D 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 =3D 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 =3D 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 =3D 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 =3D 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_OCP), + .driver_data =3D 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_OCP), + .driver_data =3D 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_OCP), + .driver_data =3D 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), + .driver_data =3D 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 =3D 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 =3D 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 =3D 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 =3D 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_OCP), + .driver_data =3D 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_OCP), + .driver_data =3D 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_OCP), + .driver_data =3D BIT(NBL_CAP_HAS_NET_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 =3D { + .name =3D NBL_DRIVER_NAME, + .id_table =3D nbl_id_table, + .probe =3D nbl_probe, + .remove =3D nbl_remove, +}; + +module_pci_driver(nbl_driver); + +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Nebula Matrix Network Driver"); --=20 2.47.3