rxe.h

  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
 25#include "rxe_net.h"
 26#include "rxe_opcode.h"
 27#include "rxe_hdr.h"
 28#include "rxe_param.h"
 29#include "rxe_verbs.h"
 30#include "rxe_loc.h"
 31
 32/*
 33 * Version 1 and Version 2 are identical on 64 bit machines, but on 32 bit
 34 * machines Version 2 has a different struct layout.
 35 */
 36#define RXE_UVERBS_ABI_VERSION		2
 37
 38#define RXE_ROCE_V2_SPORT		(0xc000)
 39
 40#define rxe_dbg(fmt, ...) pr_debug("%s: " fmt, __func__, ##__VA_ARGS__)
 41#define rxe_dbg_dev(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#define rxe_err(fmt, ...) pr_err_ratelimited("%s: " fmt, __func__, \
 61					##__VA_ARGS__)
 62#define rxe_err_dev(rxe, fmt, ...) ibdev_err_ratelimited(&(rxe)->ib_dev, \
 63		"%s: " fmt, __func__, ##__VA_ARGS__)
 64#define rxe_err_uc(uc, fmt, ...) ibdev_err_ratelimited((uc)->ibuc.device, \
 65		"uc#%d %s: " fmt, (uc)->elem.index, __func__, ##__VA_ARGS__)
 66#define rxe_err_pd(pd, fmt, ...) ibdev_err_ratelimited((pd)->ibpd.device, \
 67		"pd#%d %s: " fmt, (pd)->elem.index, __func__, ##__VA_ARGS__)
 68#define rxe_err_ah(ah, fmt, ...) ibdev_err_ratelimited((ah)->ibah.device, \
 69		"ah#%d %s: " fmt, (ah)->elem.index, __func__, ##__VA_ARGS__)
 70#define rxe_err_srq(srq, fmt, ...) ibdev_err_ratelimited((srq)->ibsrq.device, \
 71		"srq#%d %s: " fmt, (srq)->elem.index, __func__, ##__VA_ARGS__)
 72#define rxe_err_qp(qp, fmt, ...) ibdev_err_ratelimited((qp)->ibqp.device, \
 73		"qp#%d %s: " fmt, (qp)->elem.index, __func__, ##__VA_ARGS__)
 74#define rxe_err_cq(cq, fmt, ...) ibdev_err_ratelimited((cq)->ibcq.device, \
 75		"cq#%d %s: " fmt, (cq)->elem.index, __func__, ##__VA_ARGS__)
 76#define rxe_err_mr(mr, fmt, ...) ibdev_err_ratelimited((mr)->ibmr.device, \
 77		"mr#%d %s:  " fmt, (mr)->elem.index, __func__, ##__VA_ARGS__)
 78#define rxe_err_mw(mw, fmt, ...) ibdev_err_ratelimited((mw)->ibmw.device, \
 79		"mw#%d %s:  " fmt, (mw)->elem.index, __func__, ##__VA_ARGS__)
 80
 81#define rxe_info(fmt, ...) pr_info_ratelimited("%s: " fmt, __func__, \
 82					##__VA_ARGS__)
 83#define rxe_info_dev(rxe, fmt, ...) ibdev_info_ratelimited(&(rxe)->ib_dev, \
 84		"%s: " fmt, __func__, ##__VA_ARGS__)
 85#define rxe_info_uc(uc, fmt, ...) ibdev_info_ratelimited((uc)->ibuc.device, \
 86		"uc#%d %s: " fmt, (uc)->elem.index, __func__, ##__VA_ARGS__)
 87#define rxe_info_pd(pd, fmt, ...) ibdev_info_ratelimited((pd)->ibpd.device, \
 88		"pd#%d %s: " fmt, (pd)->elem.index, __func__, ##__VA_ARGS__)
 89#define rxe_info_ah(ah, fmt, ...) ibdev_info_ratelimited((ah)->ibah.device, \
 90		"ah#%d %s: " fmt, (ah)->elem.index, __func__, ##__VA_ARGS__)
 91#define rxe_info_srq(srq, fmt, ...) ibdev_info_ratelimited((srq)->ibsrq.device, \
 92		"srq#%d %s: " fmt, (srq)->elem.index, __func__, ##__VA_ARGS__)
 93#define rxe_info_qp(qp, fmt, ...) ibdev_info_ratelimited((qp)->ibqp.device, \
 94		"qp#%d %s: " fmt, (qp)->elem.index, __func__, ##__VA_ARGS__)
 95#define rxe_info_cq(cq, fmt, ...) ibdev_info_ratelimited((cq)->ibcq.device, \
 96		"cq#%d %s: " fmt, (cq)->elem.index, __func__, ##__VA_ARGS__)
 97#define rxe_info_mr(mr, fmt, ...) ibdev_info_ratelimited((mr)->ibmr.device, \
 98		"mr#%d %s:  " fmt, (mr)->elem.index, __func__, ##__VA_ARGS__)
 99#define rxe_info_mw(mw, fmt, ...) ibdev_info_ratelimited((mw)->ibmw.device, \
100		"mw#%d %s:  " fmt, (mw)->elem.index, __func__, ##__VA_ARGS__)
101
102void rxe_set_mtu(struct rxe_dev *rxe, unsigned int dev_mtu);
103
104int rxe_add(struct rxe_dev *rxe, unsigned int mtu, const char *ibdev_name,
105			struct net_device *ndev);
106
107void rxe_rcv(struct sk_buff *skb);
108
109/* The caller must do a matching ib_device_put(&dev->ib_dev) */
110static inline struct rxe_dev *rxe_get_dev_from_net(struct net_device *ndev)
111{
112	struct ib_device *ibdev =
113		ib_device_get_by_netdev(ndev, RDMA_DRIVER_RXE);
114
115	if (!ibdev)
116		return NULL;
117	return container_of(ibdev, struct rxe_dev, ib_dev);
118}
119
120void rxe_port_up(struct rxe_dev *rxe);
121void rxe_port_down(struct rxe_dev *rxe);
122void rxe_set_port_state(struct rxe_dev *rxe);
123
124#endif /* RXE_H */