From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 25EB5C3A59F for ; Thu, 29 Aug 2019 18:27:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E032021726 for ; Thu, 29 Aug 2019 18:27:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=pensando.io header.i=@pensando.io header.b="3tjzlPeq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729537AbfH2S1y (ORCPT ); Thu, 29 Aug 2019 14:27:54 -0400 Received: from mail-pf1-f196.google.com ([209.85.210.196]:40158 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728737AbfH2S1w (ORCPT ); Thu, 29 Aug 2019 14:27:52 -0400 Received: by mail-pf1-f196.google.com with SMTP id w16so2624339pfn.7 for ; Thu, 29 Aug 2019 11:27:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pensando.io; s=google; h=from:to:subject:date:message-id:in-reply-to:references; bh=SRw90eq8BRxC29v9GYAiN/BFxm/wHMIsIMobLV0Dhs0=; b=3tjzlPeqxaxIZL7eLnRikZgDwKbavUDjmAWhBhTCKwNXGZahNj4xaRnlydOnjIJ96q AjM2AEMmyV1P4nEZu+83ltEVCyEL0/sn5D/YjyMUPE+VbQAUnu6pMQxkuWkYZ6IjH55L DfAUySG8w+4yqNfCWl1fF+z8b6eW7aS26xGzEH4/ZDwzUnR5YITIYBCq7jLTpNFYdulw f/fWr6mqi2fXXg4wBP0Uch7Gb/sJAkjTnfmYYKVDcqlA9spUKTSI2nYCTwzId3duinut tHmcOoi9i6X7AzZp9rFNketJfXsTmNrzUNNFsbGnJM767AyjxjuxD+8UWLRHt9IpWKWG 8nYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=SRw90eq8BRxC29v9GYAiN/BFxm/wHMIsIMobLV0Dhs0=; b=AXO/f1cOL9LRArmF5tx/T5lzzhW4LTk1AnMHmGLtxnhaw1TQXA8UISk+iLEGbqm186 QD6c3pc8En5G1VLTLnbHIZZh8QeIyHRjdd0n2eYwdAjh1QUr+XZYivE75YjkFKLqFPg4 S4uYJN5oEv1Obcrz1uEaD6De/PKW7lPYYVrVG+zvLVJPLTSviks4u+dDzv+aTeTsLWw5 IMTXQUf2hKzEZam2PsemTGWC1LKOkXuXXEqwh/9mz1B6isK2Bxqv6Hwl30rWp/HkLC5N hWE1KcBpIwqjJK9lAfs7k7lOuB/JB7YXCHHJk81bqT/EVzZG8BfLloW4UpL/qz6sEFhe 6RRw== X-Gm-Message-State: APjAAAXPGKSWi7Bi4D6Qcuz3ey094SvvyhnBN3rSMYQqI4fvIu8/0p9u bfsaZNqvN7l0rb/YrraZVqTGxQ== X-Google-Smtp-Source: APXvYqyx1xJg02hzDxNgk2X1pA2MOb0YZ+2VIwH1mev2heM0yT+KtxytDUiUaL9SJSNg7dw7ELDeWA== X-Received: by 2002:a62:5184:: with SMTP id f126mr13260914pfb.19.1567103271504; Thu, 29 Aug 2019 11:27:51 -0700 (PDT) Received: from driver-dev1.pensando.io ([12.1.37.26]) by smtp.gmail.com with ESMTPSA id t70sm3082824pjb.2.2019.08.29.11.27.50 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 29 Aug 2019 11:27:50 -0700 (PDT) From: Shannon Nelson To: snelson@pensando.io, netdev@vger.kernel.org, davem@davemloft.net Subject: [PATCH v6 net-next 02/19] ionic: Add basic framework for IONIC Network device driver Date: Thu, 29 Aug 2019 11:27:03 -0700 Message-Id: <20190829182720.68419-3-snelson@pensando.io> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190829182720.68419-1-snelson@pensando.io> References: <20190829182720.68419-1-snelson@pensando.io> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This patch adds a basic driver framework for the Pensando IONIC network device. There is no functionality right now other than the ability to load and unload. Signed-off-by: Shannon Nelson --- .../networking/device_drivers/index.rst | 1 + .../device_drivers/pensando/ionic.rst | 43 ++++++++++++++ MAINTAINERS | 8 +++ drivers/net/ethernet/Kconfig | 1 + drivers/net/ethernet/Makefile | 1 + drivers/net/ethernet/pensando/Kconfig | 32 ++++++++++ drivers/net/ethernet/pensando/Makefile | 6 ++ drivers/net/ethernet/pensando/ionic/Makefile | 6 ++ drivers/net/ethernet/pensando/ionic/ionic.h | 27 +++++++++ .../net/ethernet/pensando/ionic/ionic_bus.h | 10 ++++ .../ethernet/pensando/ionic/ionic_bus_pci.c | 58 +++++++++++++++++++ .../ethernet/pensando/ionic/ionic_devlink.c | 44 ++++++++++++++ .../ethernet/pensando/ionic/ionic_devlink.h | 12 ++++ .../net/ethernet/pensando/ionic/ionic_main.c | 32 ++++++++++ 14 files changed, 281 insertions(+) create mode 100644 Documentation/networking/device_drivers/pensando/ionic.rst create mode 100644 drivers/net/ethernet/pensando/Kconfig create mode 100644 drivers/net/ethernet/pensando/Makefile create mode 100644 drivers/net/ethernet/pensando/ionic/Makefile create mode 100644 drivers/net/ethernet/pensando/ionic/ionic.h create mode 100644 drivers/net/ethernet/pensando/ionic/ionic_bus.h create mode 100644 drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c create mode 100644 drivers/net/ethernet/pensando/ionic/ionic_devlink.c create mode 100644 drivers/net/ethernet/pensando/ionic/ionic_devlink.h create mode 100644 drivers/net/ethernet/pensando/ionic/ionic_main.c diff --git a/Documentation/networking/device_drivers/index.rst b/Documentation/networking/device_drivers/index.rst index 2b7fefe72351..57fec66c5419 100644 --- a/Documentation/networking/device_drivers/index.rst +++ b/Documentation/networking/device_drivers/index.rst @@ -23,6 +23,7 @@ Contents: intel/ice google/gve mellanox/mlx5 + pensando/ionic .. only:: subproject diff --git a/Documentation/networking/device_drivers/pensando/ionic.rst b/Documentation/networking/device_drivers/pensando/ionic.rst new file mode 100644 index 000000000000..67b6839d516b --- /dev/null +++ b/Documentation/networking/device_drivers/pensando/ionic.rst @@ -0,0 +1,43 @@ +.. SPDX-License-Identifier: GPL-2.0+ + +========================================================== +Linux* Driver for the Pensando(R) Ethernet adapter family +========================================================== + +Pensando Linux Ethernet driver. +Copyright(c) 2019 Pensando Systems, Inc + +Contents +======== + +- Identifying the Adapter +- Support + +Identifying the Adapter +======================= + +To find if one or more Pensando PCI Ethernet devices are installed on the +host, check for the PCI devices:: + + $ lspci -d 1dd8: + b5:00.0 Ethernet controller: Device 1dd8:1002 + b6:00.0 Ethernet controller: Device 1dd8:1002 + +If such devices are listed as above, then the ionic.ko driver should find +and configure them for use. There should be log entries in the kernel +messages such as these:: + + $ dmesg | grep ionic + ionic Pensando Ethernet NIC Driver, ver 0.15.0-k + ionic 0000:b5:00.0 enp181s0: renamed from eth0 + ionic 0000:b6:00.0 enp182s0: renamed from eth0 + +Support +======= +For general Linux networking support, please use the netdev mailing +list, which is monitored by Pensando personnel:: + netdev@vger.kernel.org + +For more specific support needs, please use the Pensando driver support +email:: + drivers@pensando.io diff --git a/MAINTAINERS b/MAINTAINERS index 818f2a17699a..457b3e12638c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12595,6 +12595,14 @@ L: platform-driver-x86@vger.kernel.org S: Maintained F: drivers/platform/x86/peaq-wmi.c +PENSANDO ETHERNET DRIVERS +M: Shannon Nelson +M: Pensando Drivers +L: netdev@vger.kernel.org +S: Supported +F: Documentation/networking/device_drivers/pensando/ionic.rst +F: drivers/net/ethernet/pensando/ + PER-CPU MEMORY ALLOCATOR M: Dennis Zhou M: Tejun Heo diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig index 93a2d4deb27c..2830dc283ce6 100644 --- a/drivers/net/ethernet/Kconfig +++ b/drivers/net/ethernet/Kconfig @@ -168,6 +168,7 @@ config ETHOC source "drivers/net/ethernet/packetengines/Kconfig" source "drivers/net/ethernet/pasemi/Kconfig" +source "drivers/net/ethernet/pensando/Kconfig" source "drivers/net/ethernet/qlogic/Kconfig" source "drivers/net/ethernet/qualcomm/Kconfig" source "drivers/net/ethernet/rdc/Kconfig" diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile index fb9155cffcff..061edd22f507 100644 --- a/drivers/net/ethernet/Makefile +++ b/drivers/net/ethernet/Makefile @@ -97,3 +97,4 @@ obj-$(CONFIG_NET_VENDOR_WIZNET) += wiznet/ obj-$(CONFIG_NET_VENDOR_XILINX) += xilinx/ obj-$(CONFIG_NET_VENDOR_XIRCOM) += xircom/ obj-$(CONFIG_NET_VENDOR_SYNOPSYS) += synopsys/ +obj-$(CONFIG_NET_VENDOR_PENSANDO) += pensando/ diff --git a/drivers/net/ethernet/pensando/Kconfig b/drivers/net/ethernet/pensando/Kconfig new file mode 100644 index 000000000000..5ea570be8379 --- /dev/null +++ b/drivers/net/ethernet/pensando/Kconfig @@ -0,0 +1,32 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2019 Pensando Systems, Inc +# +# Pensando device configuration +# + +config NET_VENDOR_PENSANDO + bool "Pensando devices" + default y + help + If you have a network (Ethernet) card belonging to this class, say Y. + + Note that the answer to this question doesn't directly affect the + kernel: saying N will just cause the configurator to skip all + the questions about Pensando cards. If you say Y, you will be asked + for your specific card in the following questions. + +if NET_VENDOR_PENSANDO + +config IONIC + tristate "Pensando Ethernet IONIC Support" + depends on 64BIT && PCI + help + This enables the support for the Pensando family of Ethernet + adapters. More specific information on this driver can be + found in + . + + To compile this driver as a module, choose M here. The module + will be called ionic. + +endif # NET_VENDOR_PENSANDO diff --git a/drivers/net/ethernet/pensando/Makefile b/drivers/net/ethernet/pensando/Makefile new file mode 100644 index 000000000000..21ce7499c122 --- /dev/null +++ b/drivers/net/ethernet/pensando/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for the Pensando network device drivers. +# + +obj-$(CONFIG_IONIC) += ionic/ diff --git a/drivers/net/ethernet/pensando/ionic/Makefile b/drivers/net/ethernet/pensando/ionic/Makefile new file mode 100644 index 000000000000..f174e8f7bce1 --- /dev/null +++ b/drivers/net/ethernet/pensando/ionic/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright(c) 2017 - 2019 Pensando Systems, Inc + +obj-$(CONFIG_IONIC) := ionic.o + +ionic-y := ionic_main.o ionic_bus_pci.o ionic_devlink.o diff --git a/drivers/net/ethernet/pensando/ionic/ionic.h b/drivers/net/ethernet/pensando/ionic/ionic.h new file mode 100644 index 000000000000..56ccf27b7571 --- /dev/null +++ b/drivers/net/ethernet/pensando/ionic/ionic.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */ + +#ifndef _IONIC_H_ +#define _IONIC_H_ + +#include "ionic_devlink.h" + +#define IONIC_DRV_NAME "ionic" +#define IONIC_DRV_DESCRIPTION "Pensando Ethernet NIC Driver" +#define IONIC_DRV_VERSION "0.15.0-k" + +#define PCI_VENDOR_ID_PENSANDO 0x1dd8 + +#define PCI_DEVICE_ID_PENSANDO_IONIC_ETH_PF 0x1002 +#define PCI_DEVICE_ID_PENSANDO_IONIC_ETH_VF 0x1003 + +#define IONIC_SUBDEV_ID_NAPLES_25 0x4000 +#define IONIC_SUBDEV_ID_NAPLES_100_4 0x4001 +#define IONIC_SUBDEV_ID_NAPLES_100_8 0x4002 + +struct ionic { + struct pci_dev *pdev; + struct device *dev; +}; + +#endif /* _IONIC_H_ */ diff --git a/drivers/net/ethernet/pensando/ionic/ionic_bus.h b/drivers/net/ethernet/pensando/ionic/ionic_bus.h new file mode 100644 index 000000000000..94ba0afc6f38 --- /dev/null +++ b/drivers/net/ethernet/pensando/ionic/ionic_bus.h @@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */ + +#ifndef _IONIC_BUS_H_ +#define _IONIC_BUS_H_ + +int ionic_bus_register_driver(void); +void ionic_bus_unregister_driver(void); + +#endif /* _IONIC_BUS_H_ */ diff --git a/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c b/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c new file mode 100644 index 000000000000..2946ce37b06c --- /dev/null +++ b/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c @@ -0,0 +1,58 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */ + +#include +#include +#include +#include + +#include "ionic.h" +#include "ionic_bus.h" + +/* Supported devices */ +static const struct pci_device_id ionic_id_table[] = { + { PCI_VDEVICE(PENSANDO, PCI_DEVICE_ID_PENSANDO_IONIC_ETH_PF) }, + { PCI_VDEVICE(PENSANDO, PCI_DEVICE_ID_PENSANDO_IONIC_ETH_VF) }, + { 0, } /* end of table */ +}; +MODULE_DEVICE_TABLE(pci, ionic_id_table); + +static int ionic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + struct device *dev = &pdev->dev; + struct ionic *ionic; + + ionic = ionic_devlink_alloc(dev); + if (!ionic) + return -ENOMEM; + + ionic->pdev = pdev; + ionic->dev = dev; + pci_set_drvdata(pdev, ionic); + + return 0; +} + +static void ionic_remove(struct pci_dev *pdev) +{ + struct ionic *ionic = pci_get_drvdata(pdev); + + ionic_devlink_free(ionic); +} + +static struct pci_driver ionic_driver = { + .name = IONIC_DRV_NAME, + .id_table = ionic_id_table, + .probe = ionic_probe, + .remove = ionic_remove, +}; + +int ionic_bus_register_driver(void) +{ + return pci_register_driver(&ionic_driver); +} + +void ionic_bus_unregister_driver(void) +{ + pci_unregister_driver(&ionic_driver); +} diff --git a/drivers/net/ethernet/pensando/ionic/ionic_devlink.c b/drivers/net/ethernet/pensando/ionic/ionic_devlink.c new file mode 100644 index 000000000000..6892409cd64b --- /dev/null +++ b/drivers/net/ethernet/pensando/ionic/ionic_devlink.c @@ -0,0 +1,44 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */ + +#include +#include + +#include "ionic.h" +#include "ionic_bus.h" +#include "ionic_devlink.h" + +static int ionic_dl_info_get(struct devlink *dl, struct devlink_info_req *req, + struct netlink_ext_ack *extack) +{ + devlink_info_driver_name_put(req, IONIC_DRV_NAME); + + return 0; +} + +static const struct devlink_ops ionic_dl_ops = { + .info_get = ionic_dl_info_get, +}; + +struct ionic *ionic_devlink_alloc(struct device *dev) +{ + struct ionic *ionic; + struct devlink *dl; + + dl = devlink_alloc(&ionic_dl_ops, sizeof(struct ionic)); + if (!dl) { + dev_warn(dev, "devlink_alloc failed"); + return NULL; + } + + ionic = devlink_priv(dl); + + return ionic; +} + +void ionic_devlink_free(struct ionic *ionic) +{ + struct devlink *dl = priv_to_devlink(ionic); + + devlink_free(dl); +} diff --git a/drivers/net/ethernet/pensando/ionic/ionic_devlink.h b/drivers/net/ethernet/pensando/ionic/ionic_devlink.h new file mode 100644 index 000000000000..1df50874260a --- /dev/null +++ b/drivers/net/ethernet/pensando/ionic/ionic_devlink.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */ + +#ifndef _IONIC_DEVLINK_H_ +#define _IONIC_DEVLINK_H_ + +#include + +struct ionic *ionic_devlink_alloc(struct device *dev); +void ionic_devlink_free(struct ionic *ionic); + +#endif /* _IONIC_DEVLINK_H_ */ diff --git a/drivers/net/ethernet/pensando/ionic/ionic_main.c b/drivers/net/ethernet/pensando/ionic/ionic_main.c new file mode 100644 index 000000000000..332b528ce921 --- /dev/null +++ b/drivers/net/ethernet/pensando/ionic/ionic_main.c @@ -0,0 +1,32 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */ + +#include +#include +#include +#include + +#include "ionic.h" +#include "ionic_bus.h" + +MODULE_DESCRIPTION(IONIC_DRV_DESCRIPTION); +MODULE_AUTHOR("Pensando Systems, Inc"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(IONIC_DRV_VERSION); + +static int __init ionic_init_module(void) +{ + pr_info("%s %s, ver %s\n", + IONIC_DRV_NAME, IONIC_DRV_DESCRIPTION, IONIC_DRV_VERSION); + return ionic_bus_register_driver(); +} + +static void __exit ionic_cleanup_module(void) +{ + ionic_bus_unregister_driver(); + + pr_info("%s removed\n", IONIC_DRV_NAME); +} + +module_init(ionic_init_module); +module_exit(ionic_cleanup_module); -- 2.17.1