xref: /openbmc/linux/drivers/infiniband/sw/rxe/rxe.h (revision b1c3d2be)
1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2 /*
3  * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
4  * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved.
5  */
6 
7 #ifndef RXE_H
8 #define RXE_H
9 
10 #ifdef pr_fmt
11 #undef pr_fmt
12 #endif
13 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
14 
15 #include <linux/skbuff.h>
16 
17 #include <rdma/ib_verbs.h>
18 #include <rdma/ib_user_verbs.h>
19 #include <rdma/ib_pack.h>
20 #include <rdma/ib_smi.h>
21 #include <rdma/ib_umem.h>
22 #include <rdma/ib_cache.h>
23 #include <rdma/ib_addr.h>
24 #include <crypto/hash.h>
25 
26 #include "rxe_net.h"
27 #include "rxe_opcode.h"
28 #include "rxe_hdr.h"
29 #include "rxe_param.h"
30 #include "rxe_verbs.h"
31 #include "rxe_loc.h"
32 
33 /*
34  * Version 1 and Version 2 are identical on 64 bit machines, but on 32 bit
35  * machines Version 2 has a different struct layout.
36  */
37 #define RXE_UVERBS_ABI_VERSION		2
38 
39 #define RXE_ROCE_V2_SPORT		(0xc000)
40 
41 #define rxe_dbg(rxe, fmt, ...) ibdev_dbg(&(rxe)->ib_dev,		\
42 		"%s: " fmt, __func__, ##__VA_ARGS__)
43 #define rxe_dbg_uc(uc, fmt, ...) ibdev_dbg((uc)->ibuc.device,		\
44 		"uc#%d %s: " fmt, (uc)->elem.index, __func__, ##__VA_ARGS__)
45 #define rxe_dbg_pd(pd, fmt, ...) ibdev_dbg((pd)->ibpd.device,		\
46 		"pd#%d %s: " fmt, (pd)->elem.index, __func__, ##__VA_ARGS__)
47 #define rxe_dbg_ah(ah, fmt, ...) ibdev_dbg((ah)->ibah.device,		\
48 		"ah#%d %s: " fmt, (ah)->elem.index, __func__, ##__VA_ARGS__)
49 #define rxe_dbg_srq(srq, fmt, ...) ibdev_dbg((srq)->ibsrq.device,	\
50 		"srq#%d %s: " fmt, (srq)->elem.index, __func__, ##__VA_ARGS__)
51 #define rxe_dbg_qp(qp, fmt, ...) ibdev_dbg((qp)->ibqp.device,		\
52 		"qp#%d %s: " fmt, (qp)->elem.index, __func__, ##__VA_ARGS__)
53 #define rxe_dbg_cq(cq, fmt, ...) ibdev_dbg((cq)->ibcq.device,		\
54 		"cq#%d %s: " fmt, (cq)->elem.index, __func__, ##__VA_ARGS__)
55 #define rxe_dbg_mr(mr, fmt, ...) ibdev_dbg((mr)->ibmr.device,		\
56 		"mr#%d %s:  " fmt, (mr)->elem.index, __func__, ##__VA_ARGS__)
57 #define rxe_dbg_mw(mw, fmt, ...) ibdev_dbg((mw)->ibmw.device,		\
58 		"mw#%d %s:  " fmt, (mw)->elem.index, __func__, ##__VA_ARGS__)
59 
60 void rxe_set_mtu(struct rxe_dev *rxe, unsigned int dev_mtu);
61 
62 int rxe_add(struct rxe_dev *rxe, unsigned int mtu, const char *ibdev_name);
63 
64 void rxe_rcv(struct sk_buff *skb);
65 
66 /* The caller must do a matching ib_device_put(&dev->ib_dev) */
67 static inline struct rxe_dev *rxe_get_dev_from_net(struct net_device *ndev)
68 {
69 	struct ib_device *ibdev =
70 		ib_device_get_by_netdev(ndev, RDMA_DRIVER_RXE);
71 
72 	if (!ibdev)
73 		return NULL;
74 	return container_of(ibdev, struct rxe_dev, ib_dev);
75 }
76 
77 void rxe_port_up(struct rxe_dev *rxe);
78 void rxe_port_down(struct rxe_dev *rxe);
79 void rxe_set_port_state(struct rxe_dev *rxe);
80 
81 #endif /* RXE_H */
82