LXR linux/drivers/infiniband/sw/siw/siw

   1/* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
   2
   3/* Authors: Bernard Metzler <bmt@zurich.ibm.com> */
   4/* Copyright (c) 2008-2019, IBM Corporation */
   5
   6#ifndef _SIW_VERBS_H
   7#define _SIW_VERBS_H
   8
   9#include <linux/errno.h>
  10
  11#include <rdma/iw_cm.h>
  12#include <rdma/ib_verbs.h>
  13#include <rdma/ib_user_verbs.h>
  14
  15#include "siw.h"
  16#include "siw_cm.h"
  17
  18/*
  19 * siw_copy_sgl()
  20 *
  21 * Copy SGL from RDMA core representation to local
  22 * representation.
  23 */
  24static inline void siw_copy_sgl(struct ib_sge *sge, struct siw_sge *siw_sge,
  25                                int num_sge)
  26{
  27        while (num_sge--) {
  28                siw_sge->laddr = sge->addr;
  29                siw_sge->length = sge->length;
  30                siw_sge->lkey = sge->lkey;
  31
  32                siw_sge++;
  33                sge++;
  34        }
  35}
  36
  37int siw_alloc_ucontext(struct ib_ucontext *base_ctx, struct ib_udata *udata);
  38void siw_dealloc_ucontext(struct ib_ucontext *base_ctx);
  39int siw_query_port(struct ib_device *base_dev, u32 port,
  40                   struct ib_port_attr *attr);
  41int siw_get_port_immutable(struct ib_device *base_dev, u32 port,
  42                           struct ib_port_immutable *port_immutable);
  43int siw_query_device(struct ib_device *base_dev, struct ib_device_attr *attr,
  44                     struct ib_udata *udata);
  45int siw_create_cq(struct ib_cq *base_cq, const struct ib_cq_init_attr *attr,
  46                  struct ib_udata *udata);
  47int siw_query_port(struct ib_device *base_dev, u32 port,
  48                   struct ib_port_attr *attr);
  49int siw_query_gid(struct ib_device *base_dev, u32 port, int idx,
  50                  union ib_gid *gid);
  51int siw_alloc_pd(struct ib_pd *base_pd, struct ib_udata *udata);
  52int siw_dealloc_pd(struct ib_pd *base_pd, struct ib_udata *udata);
  53struct ib_qp *siw_create_qp(struct ib_pd *base_pd,
  54                            struct ib_qp_init_attr *attr,
  55                            struct ib_udata *udata);
  56int siw_query_qp(struct ib_qp *base_qp, struct ib_qp_attr *qp_attr,
  57                 int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
  58int siw_verbs_modify_qp(struct ib_qp *base_qp, struct ib_qp_attr *attr,
  59                        int attr_mask, struct ib_udata *udata);
  60int siw_destroy_qp(struct ib_qp *base_qp, struct ib_udata *udata);
  61int siw_post_send(struct ib_qp *base_qp, const struct ib_send_wr *wr,
  62                  const struct ib_send_wr **bad_wr);
  63int siw_post_receive(struct ib_qp *base_qp, const struct ib_recv_wr *wr,
  64                     const struct ib_recv_wr **bad_wr);
  65int siw_destroy_cq(struct ib_cq *base_cq, struct ib_udata *udata);
  66int siw_poll_cq(struct ib_cq *base_cq, int num_entries, struct ib_wc *wc);
  67int siw_req_notify_cq(struct ib_cq *base_cq, enum ib_cq_notify_flags flags);
  68struct ib_mr *siw_reg_user_mr(struct ib_pd *base_pd, u64 start, u64 len,
  69                              u64 rnic_va, int rights, struct ib_udata *udata);
  70struct ib_mr *siw_alloc_mr(struct ib_pd *base_pd, enum ib_mr_type mr_type,
  71                           u32 max_sge);
  72struct ib_mr *siw_get_dma_mr(struct ib_pd *base_pd, int rights);
  73int siw_map_mr_sg(struct ib_mr *base_mr, struct scatterlist *sl, int num_sle,
  74                  unsigned int *sg_off);
  75int siw_dereg_mr(struct ib_mr *base_mr, struct ib_udata *udata);
  76int siw_create_srq(struct ib_srq *base_srq, struct ib_srq_init_attr *attr,
  77                   struct ib_udata *udata);
  78int siw_modify_srq(struct ib_srq *base_srq, struct ib_srq_attr *attr,
  79                   enum ib_srq_attr_mask mask, struct ib_udata *udata);
  80int siw_query_srq(struct ib_srq *base_srq, struct ib_srq_attr *attr);
  81int siw_destroy_srq(struct ib_srq *base_srq, struct ib_udata *udata);
  82int siw_post_srq_recv(struct ib_srq *base_srq, const struct ib_recv_wr *wr,
  83                      const struct ib_recv_wr **bad_wr);
  84int siw_mmap(struct ib_ucontext *ctx, struct vm_area_struct *vma);
  85void siw_mmap_free(struct rdma_user_mmap_entry *rdma_entry);
  86void siw_qp_event(struct siw_qp *qp, enum ib_event_type type);
  87void siw_cq_event(struct siw_cq *cq, enum ib_event_type type);
  88void siw_srq_event(struct siw_srq *srq, enum ib_event_type type);
  89void siw_port_event(struct siw_device *dev, u32 port, enum ib_event_type type);
  90
  91#endif
  92