LXR linux/drivers/net/ethernet/emulex/benet/be

   1/*
   2 * Copyright (C) 2005 - 2015 Emulex
   3 * All rights reserved.
   4 *
   5 * This program is free software; you can redistribute it and/or
   6 * modify it under the terms of the GNU General Public License version 2
   7 * as published by the Free Software Foundation. The full GNU General
   8 * Public License is included in this distribution in the file called COPYING.
   9 *
  10 * Contact Information:
  11 * linux-drivers@emulex.com
  12 *
  13 * Emulex
  14 * 3333 Susan Street
  15 * Costa Mesa, CA 92626
  16 */
  17
  18#ifndef BE_ROCE_H
  19#define BE_ROCE_H
  20
  21#include <linux/pci.h>
  22#include <linux/netdevice.h>
  23
  24#define BE_ROCE_ABI_VERSION     1
  25
  26struct ocrdma_dev;
  27
  28enum be_interrupt_mode {
  29        BE_INTERRUPT_MODE_MSIX  = 0,
  30        BE_INTERRUPT_MODE_INTX  = 1,
  31        BE_INTERRUPT_MODE_MSI   = 2,
  32};
  33
  34#define MAX_MSIX_VECTORS                32
  35struct be_dev_info {
  36        u8 __iomem *db;
  37        u64 unmapped_db;
  38        u32 db_page_size;
  39        u32 db_total_size;
  40        u64 dpp_unmapped_addr;
  41        u32 dpp_unmapped_len;
  42        struct pci_dev *pdev;
  43        struct net_device *netdev;
  44        u8 mac_addr[ETH_ALEN];
  45        u32 dev_family;
  46        enum be_interrupt_mode intr_mode;
  47        struct {
  48                int num_vectors;
  49                int start_vector;
  50                u32 vector_list[MAX_MSIX_VECTORS];
  51        } msix;
  52};
  53
  54/* ocrdma driver register's the callback functions with nic driver. */
  55struct ocrdma_driver {
  56        unsigned char name[32];
  57        u32 be_abi_version;
  58        struct ocrdma_dev *(*add) (struct be_dev_info *dev_info);
  59        void (*remove) (struct ocrdma_dev *);
  60        void (*state_change_handler) (struct ocrdma_dev *, u32 new_state);
  61};
  62
  63enum {
  64        BE_DEV_UP       = 0,
  65        BE_DEV_DOWN     = 1,
  66        BE_DEV_SHUTDOWN = 2
  67};
  68
  69/* APIs for RoCE driver to register callback handlers,
  70 * which will be invoked when device is added, removed, ifup, ifdown
  71 */
  72int be_roce_register_driver(struct ocrdma_driver *drv);
  73void be_roce_unregister_driver(struct ocrdma_driver *drv);
  74
  75/* API for RoCE driver to issue mailbox commands */
  76int be_roce_mcc_cmd(void *netdev_handle, void *wrb_payload,
  77                    int wrb_payload_size, u16 *cmd_status, u16 *ext_status);
  78
  79#endif /* BE_ROCE_H */
  80