liquidio CN23XX: VF registration (111fc64a) · Commits · e / devices / android_kernel_teracube_emerald

drivers/net/ethernet/cavium/Kconfig

+12 −0

Original line number	Diff line number	Diff line
		@@ -74,4 +74,16 @@ config OCTEON_MGMT_ETHERNET
		port on Cavium Networks' Octeon CN57XX, CN56XX, CN55XX,
		CN54XX, CN52XX, and CN6XXX chips.

		config LIQUIDIO_VF
		tristate "Cavium LiquidIO VF support"
		depends on 64BIT && PCI_MSI
		select PTP_1588_CLOCK
		---help---
		This driver supports Cavium LiquidIO Intelligent Server Adapter
		based on CN23XX chips.

		To compile this driver as a module, choose M here: The module
		will be called liquidio_vf. MSI-X interrupt support is required
		for this driver to work correctly

		endif # NET_VENDOR_CAVIUM

drivers/net/ethernet/cavium/liquidio/Makefile

+21 −0

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		@@ -17,3 +17,24 @@ liquidio-$(CONFIG_LIQUIDIO) += lio_ethtool.o \
		octeon_nic.o

		liquidio-objs := lio_main.o octeon_console.o $(liquidio-y)

		obj-$(CONFIG_LIQUIDIO_VF) += liquidio_vf.o

		ifeq ($(CONFIG_LIQUIDIO)$(CONFIG_LIQUIDIO_VF), yy)
		liquidio_vf-objs := lio_vf_main.o
		else
		liquidio_vf-$(CONFIG_LIQUIDIO_VF) += lio_ethtool.o \
		lio_core.o \
		request_manager.o \
		response_manager.o \
		octeon_device.o \
		cn66xx_device.o \
		cn68xx_device.o \
		cn23xx_pf_device.o \
		octeon_mailbox.o \
		octeon_mem_ops.o \
		octeon_droq.o \
		octeon_nic.o

		liquidio_vf-objs := lio_vf_main.o $(liquidio_vf-y)
		endif

drivers/net/ethernet/cavium/liquidio/cn23xx_vf_device.h

0 → 100644

+34 −0

Original line number	Diff line number	Diff line
		/**********************************************************************
		* Author: Cavium, Inc.
		*
		* Contact: support@cavium.com
		* Please include "LiquidIO" in the subject.
		*
		* Copyright (c) 2003-2016 Cavium, Inc.
		*
		* This file is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License, Version 2, as
		* published by the Free Software Foundation.
		*
		* This file is distributed in the hope that it will be useful, but
		* AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
		* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
		* NONINFRINGEMENT. See the GNU General Public License for more details.
		***********************************************************************/
		/*! \file cn23xx_device.h
		* \brief Host Driver: Routines that perform CN23XX specific operations.
		*/

		#ifndef __CN23XX_VF_DEVICE_H__
		#define __CN23XX_VF_DEVICE_H__

		#include "cn23xx_vf_regs.h"

		/* Register address and configuration for a CN23XX devices.
		* If device specific changes need to be made then add a struct to include
		* device specific fields as shown in the commented section
		*/
		struct octeon_cn23xx_vf {
		struct octeon_config *conf;
		};
		#endif

drivers/net/ethernet/cavium/liquidio/lio_vf_main.c

0 → 100644

+120 −0

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		/**********************************************************************
		* Author: Cavium, Inc.
		*
		* Contact: support@cavium.com
		* Please include "LiquidIO" in the subject.
		*
		* Copyright (c) 2003-2016 Cavium, Inc.
		*
		* This file is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License, Version 2, as
		* published by the Free Software Foundation.
		*
		* This file is distributed in the hope that it will be useful, but
		* AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
		* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
		* NONINFRINGEMENT. See the GNU General Public License for more details.
		***********************************************************************/
		#include <linux/pci.h>
		#include <net/vxlan.h>
		#include "liquidio_common.h"
		#include "octeon_droq.h"
		#include "octeon_iq.h"
		#include "response_manager.h"
		#include "octeon_device.h"

		MODULE_AUTHOR("Cavium Networks, <support@cavium.com>");
		MODULE_DESCRIPTION("Cavium LiquidIO Intelligent Server Adapter Virtual Function Driver");
		MODULE_LICENSE("GPL");
		MODULE_VERSION(LIQUIDIO_VERSION);

		struct octeon_device_priv {
		/* Tasklet structures for this device. */
		struct tasklet_struct droq_tasklet;
		unsigned long napi_mask;
		};

		static int
		liquidio_vf_probe(struct pci_dev pdev, const struct pci_device_id ent);
		static void liquidio_vf_remove(struct pci_dev *pdev);

		static const struct pci_device_id liquidio_vf_pci_tbl[] = {
		{
		PCI_VENDOR_ID_CAVIUM, OCTEON_CN23XX_VF_VID,
		PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0
		},
		{
		0, 0, 0, 0, 0, 0, 0
		}
		};
		MODULE_DEVICE_TABLE(pci, liquidio_vf_pci_tbl);

		static struct pci_driver liquidio_vf_pci_driver = {
		.name = "LiquidIO_VF",
		.id_table = liquidio_vf_pci_tbl,
		.probe = liquidio_vf_probe,
		.remove = liquidio_vf_remove,
		};

		/**
		* \brief PCI probe handler
		* @param pdev PCI device structure
		* @param ent unused
		*/
		static int
		liquidio_vf_probe(struct pci_dev *pdev,
		const struct pci_device_id *ent __attribute__((unused)))
		{
		struct octeon_device *oct_dev = NULL;

		oct_dev = octeon_allocate_device(pdev->device,
		sizeof(struct octeon_device_priv));

		if (!oct_dev) {
		dev_err(&pdev->dev, "Unable to allocate device\n");
		return -ENOMEM;
		}

		dev_info(&pdev->dev, "Initializing device %x:%x.\n",
		(u32)pdev->vendor, (u32)pdev->device);

		/* Assign octeon_device for this device to the private data area. */
		pci_set_drvdata(pdev, oct_dev);

		/* set linux specific device pointer */
		oct_dev->pci_dev = pdev;

		return 0;
		}

		/**
		* \brief Cleans up resources at unload time
		* @param pdev PCI device structure
		*/
		static void liquidio_vf_remove(struct pci_dev *pdev)
		{
		struct octeon_device *oct_dev = pci_get_drvdata(pdev);

		dev_dbg(&oct_dev->pci_dev->dev, "Stopping device\n");

		/* This octeon device has been removed. Update the global
		* data structure to reflect this. Free the device structure.
		*/
		octeon_free_device_mem(oct_dev);
		}

		static int __init liquidio_vf_init(void)
		{
		octeon_init_device_list(0);
		return pci_register_driver(&liquidio_vf_pci_driver);
		}

		static void __exit liquidio_vf_exit(void)
		{
		pci_unregister_driver(&liquidio_vf_pci_driver);

		pr_info("LiquidIO_VF network module is now unloaded\n");
		}

		module_init(liquidio_vf_init);
		module_exit(liquidio_vf_exit);

drivers/net/ethernet/cavium/liquidio/octeon_device.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -28,6 +28,7 @@
		#include "cn66xx_regs.h"
		#include "cn66xx_device.h"
		#include "cn23xx_pf_device.h"
		#include "cn23xx_vf_device.h"

		/** Default configuration
		* for CN66XX OCTEON Models.
		@@ -672,6 +673,9 @@ static struct octeon_device *octeon_allocate_device_mem(u32 pci_id,
		case OCTEON_CN23XX_PF_VID:
		configsize = sizeof(struct octeon_cn23xx_pf);
		break;
		case OCTEON_CN23XX_VF_VID:
		configsize = sizeof(struct octeon_cn23xx_vf);
		break;
		default:
		pr_err("%s: Unknown PCI Device: 0x%x\n",
		__func__,