From: Raghu Vatsavayi Date: Tue, 29 Nov 2016 00:54:34 +0000 (-0800) Subject: liquidio CN23XX: VF registration X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=111fc64a237f231bc2d3187bdf8358eb7966e6a9;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git liquidio CN23XX: VF registration Adds support for cn23xx VF probe and registration. Signed-off-by: Raghu Vatsavayi Signed-off-by: Derek Chickles Signed-off-by: Satanand Burla Signed-off-by: Felix Manlunas Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/cavium/Kconfig b/drivers/net/ethernet/cavium/Kconfig index 92f411c9f0df..c0679c21638a 100644 --- a/drivers/net/ethernet/cavium/Kconfig +++ b/drivers/net/ethernet/cavium/Kconfig @@ -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 diff --git a/drivers/net/ethernet/cavium/liquidio/Makefile b/drivers/net/ethernet/cavium/liquidio/Makefile index 14958de3126f..69d23fcb3624 100644 --- a/drivers/net/ethernet/cavium/liquidio/Makefile +++ b/drivers/net/ethernet/cavium/liquidio/Makefile @@ -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 diff --git a/drivers/net/ethernet/cavium/liquidio/cn23xx_vf_device.h b/drivers/net/ethernet/cavium/liquidio/cn23xx_vf_device.h new file mode 100644 index 000000000000..015b6d475e2d --- /dev/null +++ b/drivers/net/ethernet/cavium/liquidio/cn23xx_vf_device.h @@ -0,0 +1,34 @@ +/********************************************************************** + * 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 diff --git a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c new file mode 100644 index 000000000000..fd108cd97457 --- /dev/null +++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c @@ -0,0 +1,120 @@ +/********************************************************************** + * 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 +#include +#include "liquidio_common.h" +#include "octeon_droq.h" +#include "octeon_iq.h" +#include "response_manager.h" +#include "octeon_device.h" + +MODULE_AUTHOR("Cavium Networks, "); +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); diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_device.c b/drivers/net/ethernet/cavium/liquidio/octeon_device.c index 79c8875ffd61..05bb0fdb2559 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_device.c +++ b/drivers/net/ethernet/cavium/liquidio/octeon_device.c @@ -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__,