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- /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
- /*
- * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved.
- * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved.
- */
- #ifndef RXE_LOC_H
- #define RXE_LOC_H
- /* rxe_av.c */
- void rxe_init_av(struct rdma_ah_attr *attr, struct rxe_av *av);
- int rxe_av_chk_attr(struct rxe_dev *rxe, struct rdma_ah_attr *attr);
- void rxe_av_from_attr(u8 port_num, struct rxe_av *av,
- struct rdma_ah_attr *attr);
- void rxe_av_to_attr(struct rxe_av *av, struct rdma_ah_attr *attr);
- void rxe_av_fill_ip_info(struct rxe_av *av, struct rdma_ah_attr *attr);
- struct rxe_av *rxe_get_av(struct rxe_pkt_info *pkt, struct rxe_ah **ahp);
- /* rxe_cq.c */
- int rxe_cq_chk_attr(struct rxe_dev *rxe, struct rxe_cq *cq,
- int cqe, int comp_vector);
- int rxe_cq_from_init(struct rxe_dev *rxe, struct rxe_cq *cq, int cqe,
- int comp_vector, struct ib_udata *udata,
- struct rxe_create_cq_resp __user *uresp);
- int rxe_cq_resize_queue(struct rxe_cq *cq, int new_cqe,
- struct rxe_resize_cq_resp __user *uresp,
- struct ib_udata *udata);
- int rxe_cq_post(struct rxe_cq *cq, struct rxe_cqe *cqe, int solicited);
- void rxe_cq_disable(struct rxe_cq *cq);
- void rxe_cq_cleanup(struct rxe_pool_elem *elem);
- /* rxe_mcast.c */
- struct rxe_mcg *rxe_lookup_mcg(struct rxe_dev *rxe, union ib_gid *mgid);
- int rxe_attach_mcast(struct ib_qp *ibqp, union ib_gid *mgid, u16 mlid);
- int rxe_detach_mcast(struct ib_qp *ibqp, union ib_gid *mgid, u16 mlid);
- void rxe_cleanup_mcg(struct kref *kref);
- /* rxe_mmap.c */
- struct rxe_mmap_info {
- struct list_head pending_mmaps;
- struct ib_ucontext *context;
- struct kref ref;
- void *obj;
- struct mminfo info;
- };
- void rxe_mmap_release(struct kref *ref);
- struct rxe_mmap_info *rxe_create_mmap_info(struct rxe_dev *dev, u32 size,
- struct ib_udata *udata, void *obj);
- int rxe_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
- /* rxe_mr.c */
- u8 rxe_get_next_key(u32 last_key);
- void rxe_mr_init_dma(int access, struct rxe_mr *mr);
- int rxe_mr_init_user(struct rxe_dev *rxe, u64 start, u64 length, u64 iova,
- int access, struct rxe_mr *mr);
- int rxe_mr_init_fast(int max_pages, struct rxe_mr *mr);
- int rxe_mr_copy(struct rxe_mr *mr, u64 iova, void *addr, int length,
- enum rxe_mr_copy_dir dir);
- int copy_data(struct rxe_pd *pd, int access, struct rxe_dma_info *dma,
- void *addr, int length, enum rxe_mr_copy_dir dir);
- void *iova_to_vaddr(struct rxe_mr *mr, u64 iova, int length);
- struct rxe_mr *lookup_mr(struct rxe_pd *pd, int access, u32 key,
- enum rxe_mr_lookup_type type);
- int mr_check_range(struct rxe_mr *mr, u64 iova, size_t length);
- int advance_dma_data(struct rxe_dma_info *dma, unsigned int length);
- int rxe_invalidate_mr(struct rxe_qp *qp, u32 key);
- int rxe_reg_fast_mr(struct rxe_qp *qp, struct rxe_send_wqe *wqe);
- int rxe_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata);
- void rxe_mr_cleanup(struct rxe_pool_elem *elem);
- /* rxe_mw.c */
- int rxe_alloc_mw(struct ib_mw *ibmw, struct ib_udata *udata);
- int rxe_dealloc_mw(struct ib_mw *ibmw);
- int rxe_bind_mw(struct rxe_qp *qp, struct rxe_send_wqe *wqe);
- int rxe_invalidate_mw(struct rxe_qp *qp, u32 rkey);
- struct rxe_mw *rxe_lookup_mw(struct rxe_qp *qp, int access, u32 rkey);
- void rxe_mw_cleanup(struct rxe_pool_elem *elem);
- /* rxe_net.c */
- struct sk_buff *rxe_init_packet(struct rxe_dev *rxe, struct rxe_av *av,
- int paylen, struct rxe_pkt_info *pkt);
- int rxe_prepare(struct rxe_av *av, struct rxe_pkt_info *pkt,
- struct sk_buff *skb);
- int rxe_xmit_packet(struct rxe_qp *qp, struct rxe_pkt_info *pkt,
- struct sk_buff *skb);
- const char *rxe_parent_name(struct rxe_dev *rxe, unsigned int port_num);
- /* rxe_qp.c */
- int rxe_qp_chk_init(struct rxe_dev *rxe, struct ib_qp_init_attr *init);
- int rxe_qp_from_init(struct rxe_dev *rxe, struct rxe_qp *qp, struct rxe_pd *pd,
- struct ib_qp_init_attr *init,
- struct rxe_create_qp_resp __user *uresp,
- struct ib_pd *ibpd, struct ib_udata *udata);
- int rxe_qp_to_init(struct rxe_qp *qp, struct ib_qp_init_attr *init);
- int rxe_qp_chk_attr(struct rxe_dev *rxe, struct rxe_qp *qp,
- struct ib_qp_attr *attr, int mask);
- int rxe_qp_from_attr(struct rxe_qp *qp, struct ib_qp_attr *attr,
- int mask, struct ib_udata *udata);
- int rxe_qp_to_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, int mask);
- void rxe_qp_error(struct rxe_qp *qp);
- int rxe_qp_chk_destroy(struct rxe_qp *qp);
- void rxe_qp_cleanup(struct rxe_pool_elem *elem);
- static inline int qp_num(struct rxe_qp *qp)
- {
- return qp->ibqp.qp_num;
- }
- static inline enum ib_qp_type qp_type(struct rxe_qp *qp)
- {
- return qp->ibqp.qp_type;
- }
- static inline enum ib_qp_state qp_state(struct rxe_qp *qp)
- {
- return qp->attr.qp_state;
- }
- static inline int qp_mtu(struct rxe_qp *qp)
- {
- if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC)
- return qp->attr.path_mtu;
- else
- return IB_MTU_4096;
- }
- static inline int rcv_wqe_size(int max_sge)
- {
- return sizeof(struct rxe_recv_wqe) +
- max_sge * sizeof(struct ib_sge);
- }
- void free_rd_atomic_resource(struct resp_res *res);
- static inline void rxe_advance_resp_resource(struct rxe_qp *qp)
- {
- qp->resp.res_head++;
- if (unlikely(qp->resp.res_head == qp->attr.max_dest_rd_atomic))
- qp->resp.res_head = 0;
- }
- void retransmit_timer(struct timer_list *t);
- void rnr_nak_timer(struct timer_list *t);
- /* rxe_srq.c */
- int rxe_srq_chk_init(struct rxe_dev *rxe, struct ib_srq_init_attr *init);
- int rxe_srq_from_init(struct rxe_dev *rxe, struct rxe_srq *srq,
- struct ib_srq_init_attr *init, struct ib_udata *udata,
- struct rxe_create_srq_resp __user *uresp);
- int rxe_srq_chk_attr(struct rxe_dev *rxe, struct rxe_srq *srq,
- struct ib_srq_attr *attr, enum ib_srq_attr_mask mask);
- int rxe_srq_from_attr(struct rxe_dev *rxe, struct rxe_srq *srq,
- struct ib_srq_attr *attr, enum ib_srq_attr_mask mask,
- struct rxe_modify_srq_cmd *ucmd, struct ib_udata *udata);
- void rxe_srq_cleanup(struct rxe_pool_elem *elem);
- void rxe_dealloc(struct ib_device *ib_dev);
- int rxe_completer(void *arg);
- int rxe_requester(void *arg);
- int rxe_responder(void *arg);
- /* rxe_icrc.c */
- int rxe_icrc_init(struct rxe_dev *rxe);
- int rxe_icrc_check(struct sk_buff *skb, struct rxe_pkt_info *pkt);
- void rxe_icrc_generate(struct sk_buff *skb, struct rxe_pkt_info *pkt);
- void rxe_resp_queue_pkt(struct rxe_qp *qp, struct sk_buff *skb);
- void rxe_comp_queue_pkt(struct rxe_qp *qp, struct sk_buff *skb);
- static inline unsigned int wr_opcode_mask(int opcode, struct rxe_qp *qp)
- {
- return rxe_wr_opcode_info[opcode].mask[qp->ibqp.qp_type];
- }
- #endif /* RXE_LOC_H */
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