1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2005 - 2016 Broadcom 4*4882a593Smuzhiyun * All rights reserved. 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * Contact Information: 7*4882a593Smuzhiyun * linux-drivers@emulex.com 8*4882a593Smuzhiyun * 9*4882a593Smuzhiyun * Emulex 10*4882a593Smuzhiyun * 3333 Susan Street 11*4882a593Smuzhiyun * Costa Mesa, CA 92626 12*4882a593Smuzhiyun */ 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #ifndef BE_ROCE_H 15*4882a593Smuzhiyun #define BE_ROCE_H 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #include <linux/pci.h> 18*4882a593Smuzhiyun #include <linux/netdevice.h> 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #define BE_ROCE_ABI_VERSION 1 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun struct ocrdma_dev; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun enum be_interrupt_mode { 25*4882a593Smuzhiyun BE_INTERRUPT_MODE_MSIX = 0, 26*4882a593Smuzhiyun BE_INTERRUPT_MODE_INTX = 1, 27*4882a593Smuzhiyun BE_INTERRUPT_MODE_MSI = 2, 28*4882a593Smuzhiyun }; 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun #define MAX_MSIX_VECTORS 32 31*4882a593Smuzhiyun struct be_dev_info { 32*4882a593Smuzhiyun u8 __iomem *db; 33*4882a593Smuzhiyun u64 unmapped_db; 34*4882a593Smuzhiyun u32 db_page_size; 35*4882a593Smuzhiyun u32 db_total_size; 36*4882a593Smuzhiyun u64 dpp_unmapped_addr; 37*4882a593Smuzhiyun u32 dpp_unmapped_len; 38*4882a593Smuzhiyun struct pci_dev *pdev; 39*4882a593Smuzhiyun struct net_device *netdev; 40*4882a593Smuzhiyun u8 mac_addr[ETH_ALEN]; 41*4882a593Smuzhiyun u32 dev_family; 42*4882a593Smuzhiyun enum be_interrupt_mode intr_mode; 43*4882a593Smuzhiyun struct { 44*4882a593Smuzhiyun int num_vectors; 45*4882a593Smuzhiyun int start_vector; 46*4882a593Smuzhiyun u32 vector_list[MAX_MSIX_VECTORS]; 47*4882a593Smuzhiyun } msix; 48*4882a593Smuzhiyun }; 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun /* ocrdma driver register's the callback functions with nic driver. */ 51*4882a593Smuzhiyun struct ocrdma_driver { 52*4882a593Smuzhiyun unsigned char name[32]; 53*4882a593Smuzhiyun u32 be_abi_version; 54*4882a593Smuzhiyun struct ocrdma_dev *(*add) (struct be_dev_info *dev_info); 55*4882a593Smuzhiyun void (*remove) (struct ocrdma_dev *); 56*4882a593Smuzhiyun void (*state_change_handler) (struct ocrdma_dev *, u32 new_state); 57*4882a593Smuzhiyun }; 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun enum be_roce_event { 60*4882a593Smuzhiyun BE_DEV_SHUTDOWN = 2 61*4882a593Smuzhiyun }; 62*4882a593Smuzhiyun 63*4882a593Smuzhiyun /* APIs for RoCE driver to register callback handlers, 64*4882a593Smuzhiyun * which will be invoked when device is added, removed, ifup, ifdown 65*4882a593Smuzhiyun */ 66*4882a593Smuzhiyun int be_roce_register_driver(struct ocrdma_driver *drv); 67*4882a593Smuzhiyun void be_roce_unregister_driver(struct ocrdma_driver *drv); 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun /* API for RoCE driver to issue mailbox commands */ 70*4882a593Smuzhiyun int be_roce_mcc_cmd(void *netdev_handle, void *wrb_payload, 71*4882a593Smuzhiyun int wrb_payload_size, u16 *cmd_status, u16 *ext_status); 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun #endif /* BE_ROCE_H */ 74