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
22struct ocrdma_dev;
23
24enum 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
31struct 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. */
51struct 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
59enum 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 */
66int be_roce_register_driver(struct ocrdma_driver *drv);
67void be_roce_unregister_driver(struct ocrdma_driver *drv);
68
69/* API for RoCE driver to issue mailbox commands */
70int 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

source code of linux/drivers/net/ethernet/emulex/benet/be_roce.h