xref: /freebsd/sys/dev/qlnx/qlnxe/qlnx_rdma.h (revision 2e3f49888ec8851bafb22011533217487764fdb0)
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 
28 /*
29  * File: qlnx_rdma.h
30  * Author: David C Somayajulu
31  */
32 
33 #ifndef _QLNX_RDMA_H_
34 #define _QLNX_RDMA_H_
35 
36 enum qlnx_rdma_event {
37 	QLNX_ETHDEV_UP = 0x10,
38 	QLNX_ETHDEV_DOWN = 0x11,
39 	QLNX_ETHDEV_CHANGE_ADDR = 0x12
40 };
41 
42 struct qlnx_rdma_if {
43 	void *	(*add)(void *ha);
44 	int 	(*remove)(void *ha, void *qlnx_rdma_dev);
45 	void 	(*notify)(void *ha, void *qlnx_rdma_dev, enum qlnx_rdma_event);
46 };
47 typedef struct qlnx_rdma_if qlnx_rdma_if_t;
48 
49 extern int qlnx_rdma_register_if(qlnx_rdma_if_t *rdma_if);
50 extern int qlnx_rdma_deregister_if(qlnx_rdma_if_t *rdma_if);
51 
52 #define QLNX_NUM_CNQ	1
53 
54 extern int qlnx_rdma_get_num_irqs(struct qlnx_host *ha);
55 extern void qlnx_rdma_dev_add(struct qlnx_host *ha);
56 extern void qlnx_rdma_dev_open(struct qlnx_host *ha);
57 extern void qlnx_rdma_dev_close(struct qlnx_host *ha);
58 extern int qlnx_rdma_dev_remove(struct qlnx_host *ha);
59 extern void qlnx_rdma_changeaddr(struct qlnx_host *ha);
60 
61 extern void qlnx_rdma_init(void);
62 extern void qlnx_rdma_deinit(void);
63 
64 #endif /* #ifndef _QLNX_RDMA_H_ */
65