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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_H8#define RXE_LOC_H9 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,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 else136 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_sender(struct rxe_qp *qp);168int rxe_receiver(struct rxe_qp *qp);169 170/* rxe_icrc.c */171int rxe_icrc_init(struct rxe_dev *rxe);172int rxe_icrc_check(struct sk_buff *skb, struct rxe_pkt_info *pkt);173void rxe_icrc_generate(struct sk_buff *skb, struct rxe_pkt_info *pkt);174 175void rxe_resp_queue_pkt(struct rxe_qp *qp, struct sk_buff *skb);176 177void rxe_comp_queue_pkt(struct rxe_qp *qp, struct sk_buff *skb);178 179static inline unsigned int wr_opcode_mask(int opcode, struct rxe_qp *qp)180{181 return rxe_wr_opcode_info[opcode].mask[qp->ibqp.qp_type];182}183 184#endif /* RXE_LOC_H */185