1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (C) 2005 - 2016 Broadcom 4 * All rights reserved. 5 * 6 * Contact Information: 7 * linux-drivers@emulex.com 8 * 9 * Emulex 10 * 3333 Susan Street 11 * Costa Mesa, CA 92626 12 */ 13 14 #ifndef BE_ROCE_H 15 #define BE_ROCE_H 16 17 #include <linux/pci.h> 18 #include <linux/netdevice.h> 19 20 #define BE_ROCE_ABI_VERSION 1 21 22 struct ocrdma_dev; 23 24 enum be_interrupt_mode { 25 BE_INTERRUPT_MODE_MSIX = 0, 26 BE_INTERRUPT_MODE_INTX = 1, 27 BE_INTERRUPT_MODE_MSI = 2, 28 }; 29 30 #define MAX_MSIX_VECTORS 32 31 struct be_dev_info { 32 u8 __iomem *db; 33 u64 unmapped_db; 34 u32 db_page_size; 35 u32 db_total_size; 36 u64 dpp_unmapped_addr; 37 u32 dpp_unmapped_len; 38 struct pci_dev *pdev; 39 struct net_device *netdev; 40 u8 mac_addr[ETH_ALEN]; 41 u32 dev_family; 42 enum be_interrupt_mode intr_mode; 43 struct { 44 int num_vectors; 45 int start_vector; 46 u32 vector_list[MAX_MSIX_VECTORS]; 47 } msix; 48 }; 49 50 /* ocrdma driver register's the callback functions with nic driver. */ 51 struct ocrdma_driver { 52 unsigned char name[32]; 53 u32 be_abi_version; 54 struct ocrdma_dev *(*add) (struct be_dev_info *dev_info); 55 void (*remove) (struct ocrdma_dev *); 56 void (*state_change_handler) (struct ocrdma_dev *, u32 new_state); 57 }; 58 59 enum be_roce_event { 60 BE_DEV_SHUTDOWN = 2 61 }; 62 63 /* APIs for RoCE driver to register callback handlers, 64 * which will be invoked when device is added, removed, ifup, ifdown 65 */ 66 int be_roce_register_driver(struct ocrdma_driver *drv); 67 void be_roce_unregister_driver(struct ocrdma_driver *drv); 68 69 /* API for RoCE driver to issue mailbox commands */ 70 int be_roce_mcc_cmd(void *netdev_handle, void *wrb_payload, 71 int wrb_payload_size, u16 *cmd_status, u16 *ext_status); 72 73 #endif /* BE_ROCE_H */ 74