1 /* 2 * Copyright (C) 2005 - 2013 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 struct ocrdma_dev; 25 26 enum be_interrupt_mode { 27 BE_INTERRUPT_MODE_MSIX = 0, 28 BE_INTERRUPT_MODE_INTX = 1, 29 BE_INTERRUPT_MODE_MSI = 2, 30 }; 31 32 #define MAX_ROCE_MSIX_VECTORS 16 33 struct be_dev_info { 34 u8 __iomem *db; 35 u64 unmapped_db; 36 u32 db_page_size; 37 u32 db_total_size; 38 u64 dpp_unmapped_addr; 39 u32 dpp_unmapped_len; 40 struct pci_dev *pdev; 41 struct net_device *netdev; 42 u8 mac_addr[ETH_ALEN]; 43 u32 dev_family; 44 enum be_interrupt_mode intr_mode; 45 struct { 46 int num_vectors; 47 int start_vector; 48 u32 vector_list[MAX_ROCE_MSIX_VECTORS]; 49 } msix; 50 }; 51 52 /* ocrdma driver register's the callback functions with nic driver. */ 53 struct ocrdma_driver { 54 unsigned char name[32]; 55 struct ocrdma_dev *(*add) (struct be_dev_info *dev_info); 56 void (*remove) (struct ocrdma_dev *); 57 void (*state_change_handler) (struct ocrdma_dev *, u32 new_state); 58 }; 59 60 enum { 61 BE_DEV_UP = 0, 62 BE_DEV_DOWN = 1 63 }; 64 65 /* APIs for RoCE driver to register callback handlers, 66 * which will be invoked when device is added, removed, ifup, ifdown 67 */ 68 int be_roce_register_driver(struct ocrdma_driver *drv); 69 void be_roce_unregister_driver(struct ocrdma_driver *drv); 70 71 /* API for RoCE driver to issue mailbox commands */ 72 int be_roce_mcc_cmd(void *netdev_handle, void *wrb_payload, 73 int wrb_payload_size, u16 *cmd_status, u16 *ext_status); 74 75 #endif /* BE_ROCE_H */ 76