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_LOC_H
8#define RXE_LOC_H
9
10/* rxe_av.c */
11void rxe_init_av(struct rdma_ah_attr *attr, struct rxe_av *av);
12int rxe_av_chk_attr(struct rxe_qp *qp, struct rdma_ah_attr *attr);
13int rxe_ah_chk_attr(struct rxe_ah *ah, struct rdma_ah_attr *attr);
14void rxe_av_from_attr(u8 port_num, struct rxe_av *av,
15 struct rdma_ah_attr *attr);
16void rxe_av_to_attr(struct rxe_av *av, struct rdma_ah_attr *attr);
17void rxe_av_fill_ip_info(struct rxe_av *av, struct rdma_ah_attr *attr);
18struct rxe_av *rxe_get_av(struct rxe_pkt_info *pkt, struct rxe_ah **ahp);
19
20/* rxe_cq.c */
21int rxe_cq_chk_attr(struct rxe_dev *rxe, struct rxe_cq *cq,
22 int cqe, int comp_vector);
23
24int rxe_cq_from_init(struct rxe_dev *rxe, struct rxe_cq *cq, int cqe,
25 int comp_vector, struct ib_udata *udata,
26 struct rxe_create_cq_resp __user *uresp);
27
28int rxe_cq_resize_queue(struct rxe_cq *cq, int new_cqe,
29 struct rxe_resize_cq_resp __user *uresp,
30 struct ib_udata *udata);
31
32int rxe_cq_post(struct rxe_cq *cq, struct rxe_cqe *cqe, int solicited);
33
34void rxe_cq_cleanup(struct rxe_pool_elem *elem);
35
36/* rxe_mcast.c */
37struct rxe_mcg *rxe_lookup_mcg(struct rxe_dev *rxe, union ib_gid *mgid);
38int rxe_attach_mcast(struct ib_qp *ibqp, union ib_gid *mgid, u16 mlid);
39int rxe_detach_mcast(struct ib_qp *ibqp, union ib_gid *mgid, u16 mlid);
40void rxe_cleanup_mcg(struct kref *kref);
41
42/* rxe_mmap.c */
43struct rxe_mmap_info {
44 struct list_head pending_mmaps;
45 struct ib_ucontext *context;
46 struct kref ref;
47 void *obj;
48
49 struct mminfo info;
50};
51
52void rxe_mmap_release(struct kref *ref);
53
54struct rxe_mmap_info *rxe_create_mmap_info(struct rxe_dev *dev, u32 size,
55 struct ib_udata *udata, void *obj);
56
57int rxe_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
58
59/* rxe_mr.c */
60u8 rxe_get_next_key(u32 last_key);
61void rxe_mr_init_dma(int access, struct rxe_mr *mr);
62int rxe_mr_init_user(struct rxe_dev *rxe, u64 start, u64 length, u64 iova,
63 int access, struct rxe_mr *mr);
64int rxe_mr_init_fast(int max_pages, struct rxe_mr *mr);
65int rxe_flush_pmem_iova(struct rxe_mr *mr, u64 iova, unsigned int length);
66int rxe_mr_copy(struct rxe_mr *mr, u64 iova, void *addr,
67 unsigned int length, enum rxe_mr_copy_dir dir);
68int copy_data(struct rxe_pd *pd, int access, struct rxe_dma_info *dma,
69 void *addr, int length, enum rxe_mr_copy_dir dir);
70int rxe_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
71 int sg_nents, unsigned int *sg_offset);
72int rxe_mr_do_atomic_op(struct rxe_mr *mr, u64 iova, int opcode,
73 u64 compare, u64 swap_add, u64 *orig_val);
74int rxe_mr_do_atomic_write(struct rxe_mr *mr, u64 iova, u64 value);
75struct rxe_mr *lookup_mr(struct rxe_pd *pd, int access, u32 key,
76 enum rxe_mr_lookup_type type);
77int mr_check_range(struct rxe_mr *mr, u64 iova, size_t length);
78int advance_dma_data(struct rxe_dma_info *dma, unsigned int length);
79int rxe_invalidate_mr(struct rxe_qp *qp, u32 key);
80int rxe_reg_fast_mr(struct rxe_qp *qp, struct rxe_send_wqe *wqe);
81void rxe_mr_cleanup(struct rxe_pool_elem *elem);
82
83/* rxe_mw.c */
84int rxe_alloc_mw(struct ib_mw *ibmw, struct ib_udata *udata);
85int rxe_dealloc_mw(struct ib_mw *ibmw);
86int rxe_bind_mw(struct rxe_qp *qp, struct rxe_send_wqe *wqe);
87int rxe_invalidate_mw(struct rxe_qp *qp, u32 rkey);
88struct rxe_mw *rxe_lookup_mw(struct rxe_qp *qp, int access, u32 rkey);
89void rxe_mw_cleanup(struct rxe_pool_elem *elem);
90
91/* rxe_net.c */
92struct sk_buff *rxe_init_packet(struct rxe_dev *rxe, struct rxe_av *av,
93 int paylen, struct rxe_pkt_info *pkt);
94int rxe_prepare(struct rxe_av *av, struct rxe_pkt_info *pkt,
95 struct sk_buff *skb);
96int rxe_xmit_packet(struct rxe_qp *qp, struct rxe_pkt_info *pkt,
97 struct sk_buff *skb);
98const char *rxe_parent_name(struct rxe_dev *rxe, unsigned int port_num);
99
100/* rxe_qp.c */
101int rxe_qp_chk_init(struct rxe_dev *rxe, struct ib_qp_init_attr *init);
102int rxe_qp_from_init(struct rxe_dev *rxe, struct rxe_qp *qp, struct rxe_pd *pd,
103 struct ib_qp_init_attr *init,
104 struct rxe_create_qp_resp __user *uresp,
105 struct ib_pd *ibpd, struct ib_udata *udata);
106int rxe_qp_to_init(struct rxe_qp *qp, struct ib_qp_init_attr *init);
107int rxe_qp_chk_attr(struct rxe_dev *rxe, struct rxe_qp *qp,
108 struct ib_qp_attr *attr, int mask);
109int rxe_qp_from_attr(struct rxe_qp *qp, struct ib_qp_attr *attr,
110 int mask, struct ib_udata *udata);
111int rxe_qp_to_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, int mask);
112void rxe_qp_error(struct rxe_qp *qp);
113int rxe_qp_chk_destroy(struct rxe_qp *qp);
114void rxe_qp_cleanup(struct rxe_pool_elem *elem);
115
116static inline int qp_num(struct rxe_qp *qp)
117{
118 return qp->ibqp.qp_num;
119}
120
121static inline enum ib_qp_type qp_type(struct rxe_qp *qp)
122{
123 return qp->ibqp.qp_type;
124}
125
126static inline enum ib_qp_state qp_state(struct rxe_qp *qp)
127{
128 return qp->attr.qp_state;
129}
130
131static inline int qp_mtu(struct rxe_qp *qp)
132{
133 if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC)
134 return qp->attr.path_mtu;
135 else
136 return IB_MTU_4096;
137}
138
139void free_rd_atomic_resource(struct resp_res *res);
140
141static inline void rxe_advance_resp_resource(struct rxe_qp *qp)
142{
143 qp->resp.res_head++;
144 if (unlikely(qp->resp.res_head == qp->attr.max_dest_rd_atomic))
145 qp->resp.res_head = 0;
146}
147
148void retransmit_timer(struct timer_list *t);
149void rnr_nak_timer(struct timer_list *t);
150
151/* rxe_srq.c */
152int rxe_srq_chk_init(struct rxe_dev *rxe, struct ib_srq_init_attr *init);
153int rxe_srq_from_init(struct rxe_dev *rxe, struct rxe_srq *srq,
154 struct ib_srq_init_attr *init, struct ib_udata *udata,
155 struct rxe_create_srq_resp __user *uresp);
156int rxe_srq_chk_attr(struct rxe_dev *rxe, struct rxe_srq *srq,
157 struct ib_srq_attr *attr, enum ib_srq_attr_mask mask);
158int rxe_srq_from_attr(struct rxe_dev *rxe, struct rxe_srq *srq,
159 struct ib_srq_attr *attr, enum ib_srq_attr_mask mask,
160 struct rxe_modify_srq_cmd *ucmd, struct ib_udata *udata);
161void rxe_srq_cleanup(struct rxe_pool_elem *elem);
162
163void rxe_dealloc(struct ib_device *ib_dev);
164
165int rxe_completer(struct rxe_qp *qp);
166int rxe_requester(struct rxe_qp *qp);
167int rxe_responder(struct rxe_qp *qp);
168
169/* rxe_icrc.c */
170int rxe_icrc_init(struct rxe_dev *rxe);
171int rxe_icrc_check(struct sk_buff *skb, struct rxe_pkt_info *pkt);
172void rxe_icrc_generate(struct sk_buff *skb, struct rxe_pkt_info *pkt);
173
174void rxe_resp_queue_pkt(struct rxe_qp *qp, struct sk_buff *skb);
175
176void rxe_comp_queue_pkt(struct rxe_qp *qp, struct sk_buff *skb);
177
178static inline unsigned int wr_opcode_mask(int opcode, struct rxe_qp *qp)
179{
180 return rxe_wr_opcode_info[opcode].mask[qp->ibqp.qp_type];
181}
182
183#endif /* RXE_LOC_H */
184

source code of linux/drivers/infiniband/sw/rxe/rxe_loc.h