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 */

 
 1/*
 2 * Copyright (C) 2005 - 2016 Broadcom
 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#define BE_ROCE_ABI_VERSION	1
25
26struct ocrdma_dev;
27
28enum be_interrupt_mode {
29	BE_INTERRUPT_MODE_MSIX	= 0,
30	BE_INTERRUPT_MODE_INTX	= 1,
31	BE_INTERRUPT_MODE_MSI	= 2,
32};
33
34#define MAX_MSIX_VECTORS		32
35struct be_dev_info {
36	u8 __iomem *db;
37	u64 unmapped_db;
38	u32 db_page_size;
39	u32 db_total_size;
40	u64 dpp_unmapped_addr;
41	u32 dpp_unmapped_len;
42	struct pci_dev *pdev;
43	struct net_device *netdev;
44	u8 mac_addr[ETH_ALEN];
45	u32 dev_family;
46	enum be_interrupt_mode intr_mode;
47	struct {
48		int num_vectors;
49		int start_vector;
50		u32 vector_list[MAX_MSIX_VECTORS];
51	} msix;
52};
53
54/* ocrdma driver register's the callback functions with nic driver. */
55struct ocrdma_driver {
56	unsigned char name[32];
57	u32 be_abi_version;
58	struct ocrdma_dev *(*add) (struct be_dev_info *dev_info);
59	void (*remove) (struct ocrdma_dev *);
60	void (*state_change_handler) (struct ocrdma_dev *, u32 new_state);
61};
62
63enum be_roce_event {
64	BE_DEV_SHUTDOWN = 2
65};
66
67/* APIs for RoCE driver to register callback handlers,
68 * which will be invoked when device is added, removed, ifup, ifdown
69 */
70int be_roce_register_driver(struct ocrdma_driver *drv);
71void be_roce_unregister_driver(struct ocrdma_driver *drv);
72
73/* API for RoCE driver to issue mailbox commands */
74int be_roce_mcc_cmd(void *netdev_handle, void *wrb_payload,
75		    int wrb_payload_size, u16 *cmd_status, u16 *ext_status);
76
77#endif /* BE_ROCE_H */