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