xref: /freebsd/sys/dev/qlnx/qlnxe/qlnx_rdma.h (revision 62cfcf62f627e5093fb37026a6d8c98e4d2ef04c)
1 /*
2  * Copyright (c) 2018-2019 Cavium, Inc.
3  * All rights reserved.
4  *
5  *  Redistribution and use in source and binary forms, with or without
6  *  modification, are permitted provided that the following conditions
7  *  are met:
8  *
9  *  1. Redistributions of source code must retain the above copyright
10  *     notice, this list of conditions and the following disclaimer.
11  *  2. Redistributions in binary form must reproduce the above copyright
12  *     notice, this list of conditions and the following disclaimer in the
13  *     documentation and/or other materials provided with the distribution.
14  *
15  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  *  POSSIBILITY OF SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 
31 /*
32  * File: qlnx_rdma.h
33  * Author: David C Somayajulu
34  */
35 
36 #ifndef _QLNX_RDMA_H_
37 #define _QLNX_RDMA_H_
38 
39 enum qlnx_rdma_event {
40 	QLNX_ETHDEV_UP = 0x10,
41 	QLNX_ETHDEV_DOWN = 0x11,
42 	QLNX_ETHDEV_CHANGE_ADDR = 0x12
43 };
44 
45 struct qlnx_rdma_if {
46 	void *	(*add)(void *ha);
47 	int 	(*remove)(void *ha, void *qlnx_rdma_dev);
48 	void 	(*notify)(void *ha, void *qlnx_rdma_dev, enum qlnx_rdma_event);
49 };
50 typedef struct qlnx_rdma_if qlnx_rdma_if_t;
51 
52 extern int qlnx_rdma_register_if(qlnx_rdma_if_t *rdma_if);
53 extern int qlnx_rdma_deregister_if(qlnx_rdma_if_t *rdma_if);
54 
55 #define QLNX_NUM_CNQ	1
56 
57 extern int qlnx_rdma_get_num_irqs(struct qlnx_host *ha);
58 extern void qlnx_rdma_dev_add(struct qlnx_host *ha);
59 extern void qlnx_rdma_dev_open(struct qlnx_host *ha);
60 extern void qlnx_rdma_dev_close(struct qlnx_host *ha);
61 extern int qlnx_rdma_dev_remove(struct qlnx_host *ha);
62 extern void qlnx_rdma_changeaddr(struct qlnx_host *ha);
63 
64 extern void qlnx_rdma_init(void);
65 extern void qlnx_rdma_deinit(void);
66 
67 #endif /* #ifndef _QLNX_RDMA_H_ */
68