drivers/infiniband/sw/siw/siw_verbs.h

   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  */
  24 static 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
  37 int siw_alloc_ucontext(struct ib_ucontext *base_ctx, struct ib_udata *udata);
  38 void siw_dealloc_ucontext(struct ib_ucontext *base_ctx);
  39 int siw_query_port(struct ib_device *base_dev, u8 port,
  40                    struct ib_port_attr *attr);
  41 int siw_get_port_immutable(struct ib_device *base_dev, u8 port,
  42                            struct ib_port_immutable *port_immutable);
  43 int siw_query_device(struct ib_device *base_dev, struct ib_device_attr *attr,
  44                      struct ib_udata *udata);
  45 int siw_create_cq(struct ib_cq *base_cq, const struct ib_cq_init_attr *attr,
  46                   struct ib_udata *udata);
  47 int siw_query_port(struct ib_device *base_dev, u8 port,
  48                    struct ib_port_attr *attr);
  49 int siw_query_pkey(struct ib_device *base_dev, u8 port, u16 idx, u16 *pkey);
  50 int siw_query_gid(struct ib_device *base_dev, u8 port, int idx,
  51                   union ib_gid *gid);
  52 int siw_alloc_pd(struct ib_pd *base_pd, struct ib_udata *udata);
  53 void siw_dealloc_pd(struct ib_pd *base_pd, struct ib_udata *udata);
  54 struct ib_qp *siw_create_qp(struct ib_pd *base_pd,
  55                             struct ib_qp_init_attr *attr,
  56                             struct ib_udata *udata);
  57 int siw_query_qp(struct ib_qp *base_qp, struct ib_qp_attr *qp_attr,
  58                  int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
  59 int siw_verbs_modify_qp(struct ib_qp *base_qp, struct ib_qp_attr *attr,
  60                         int attr_mask, struct ib_udata *udata);
  61 int siw_destroy_qp(struct ib_qp *base_qp, struct ib_udata *udata);
  62 int siw_post_send(struct ib_qp *base_qp, const struct ib_send_wr *wr,
  63                   const struct ib_send_wr **bad_wr);
  64 int siw_post_receive(struct ib_qp *base_qp, const struct ib_recv_wr *wr,
  65                      const struct ib_recv_wr **bad_wr);
  66 void siw_destroy_cq(struct ib_cq *base_cq, struct ib_udata *udata);
  67 int siw_poll_cq(struct ib_cq *base_cq, int num_entries, struct ib_wc *wc);
  68 int siw_req_notify_cq(struct ib_cq *base_cq, enum ib_cq_notify_flags flags);
  69 struct ib_mr *siw_reg_user_mr(struct ib_pd *base_pd, u64 start, u64 len,
  70                               u64 rnic_va, int rights, struct ib_udata *udata);
  71 struct ib_mr *siw_alloc_mr(struct ib_pd *base_pd, enum ib_mr_type mr_type,
  72                            u32 max_sge, struct ib_udata *udata);
  73 struct ib_mr *siw_get_dma_mr(struct ib_pd *base_pd, int rights);
  74 int siw_map_mr_sg(struct ib_mr *base_mr, struct scatterlist *sl, int num_sle,
  75                   unsigned int *sg_off);
  76 int siw_dereg_mr(struct ib_mr *base_mr, struct ib_udata *udata);
  77 int siw_create_srq(struct ib_srq *base_srq, struct ib_srq_init_attr *attr,
  78                    struct ib_udata *udata);
  79 int siw_modify_srq(struct ib_srq *base_srq, struct ib_srq_attr *attr,
  80                    enum ib_srq_attr_mask mask, struct ib_udata *udata);
  81 int siw_query_srq(struct ib_srq *base_srq, struct ib_srq_attr *attr);
  82 void siw_destroy_srq(struct ib_srq *base_srq, struct ib_udata *udata);
  83 int siw_post_srq_recv(struct ib_srq *base_srq, const struct ib_recv_wr *wr,
  84                       const struct ib_recv_wr **bad_wr);
  85 int siw_mmap(struct ib_ucontext *ctx, struct vm_area_struct *vma);
  86 void siw_mmap_free(struct rdma_user_mmap_entry *rdma_entry);
  87 void siw_qp_event(struct siw_qp *qp, enum ib_event_type type);
  88 void siw_cq_event(struct siw_cq *cq, enum ib_event_type type);
  89 void siw_srq_event(struct siw_srq *srq, enum ib_event_type type);
  90 void siw_port_event(struct siw_device *dev, u8 port, enum ib_event_type type);
  91
  92 #endif