sw/siw/siw_verbs.h

0001 /* SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause */
0002
0003 /* Authors: Bernard Metzler <bmt@zurich.ibm.com> */
0004 /* Copyright (c) 2008-2019, IBM Corporation */
0005
0006 #ifndef _SIW_VERBS_H
0007 #define _SIW_VERBS_H
0008
0009 #include <linux/errno.h>
0010
0011 #include <rdma/iw_cm.h>
0012 #include <rdma/ib_verbs.h>
0013 #include <rdma/ib_user_verbs.h>
0014
0015 #include "siw.h"
0016 #include "siw_cm.h"
0017
0018 /*
0019  * siw_copy_sgl()
0020  *
0021  * Copy SGL from RDMA core representation to local
0022  * representation.
0023  */
0024 static inline void siw_copy_sgl(struct ib_sge *sge, struct siw_sge *siw_sge,
0025                 int num_sge)
0026 {
0027     while (num_sge--) {
0028         siw_sge->laddr = sge->addr;
0029         siw_sge->length = sge->length;
0030         siw_sge->lkey = sge->lkey;
0031
0032         siw_sge++;
0033         sge++;
0034     }
0035 }
0036
0037 int siw_alloc_ucontext(struct ib_ucontext *base_ctx, struct ib_udata *udata);
0038 void siw_dealloc_ucontext(struct ib_ucontext *base_ctx);
0039 int siw_query_port(struct ib_device *base_dev, u32 port,
0040            struct ib_port_attr *attr);
0041 int siw_get_port_immutable(struct ib_device *base_dev, u32 port,
0042                struct ib_port_immutable *port_immutable);
0043 int siw_query_device(struct ib_device *base_dev, struct ib_device_attr *attr,
0044              struct ib_udata *udata);
0045 int siw_create_cq(struct ib_cq *base_cq, const struct ib_cq_init_attr *attr,
0046           struct ib_udata *udata);
0047 int siw_query_port(struct ib_device *base_dev, u32 port,
0048            struct ib_port_attr *attr);
0049 int siw_query_gid(struct ib_device *base_dev, u32 port, int idx,
0050           union ib_gid *gid);
0051 int siw_alloc_pd(struct ib_pd *base_pd, struct ib_udata *udata);
0052 int siw_dealloc_pd(struct ib_pd *base_pd, struct ib_udata *udata);
0053 int siw_create_qp(struct ib_qp *qp, struct ib_qp_init_attr *attr,
0054           struct ib_udata *udata);
0055 int siw_query_qp(struct ib_qp *base_qp, struct ib_qp_attr *qp_attr,
0056          int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
0057 int siw_verbs_modify_qp(struct ib_qp *base_qp, struct ib_qp_attr *attr,
0058             int attr_mask, struct ib_udata *udata);
0059 int siw_destroy_qp(struct ib_qp *base_qp, struct ib_udata *udata);
0060 int siw_post_send(struct ib_qp *base_qp, const struct ib_send_wr *wr,
0061           const struct ib_send_wr **bad_wr);
0062 int siw_post_receive(struct ib_qp *base_qp, const struct ib_recv_wr *wr,
0063              const struct ib_recv_wr **bad_wr);
0064 int siw_destroy_cq(struct ib_cq *base_cq, struct ib_udata *udata);
0065 int siw_poll_cq(struct ib_cq *base_cq, int num_entries, struct ib_wc *wc);
0066 int siw_req_notify_cq(struct ib_cq *base_cq, enum ib_cq_notify_flags flags);
0067 struct ib_mr *siw_reg_user_mr(struct ib_pd *base_pd, u64 start, u64 len,
0068                   u64 rnic_va, int rights, struct ib_udata *udata);
0069 struct ib_mr *siw_alloc_mr(struct ib_pd *base_pd, enum ib_mr_type mr_type,
0070                u32 max_sge);
0071 struct ib_mr *siw_get_dma_mr(struct ib_pd *base_pd, int rights);
0072 int siw_map_mr_sg(struct ib_mr *base_mr, struct scatterlist *sl, int num_sle,
0073           unsigned int *sg_off);
0074 int siw_dereg_mr(struct ib_mr *base_mr, struct ib_udata *udata);
0075 int siw_create_srq(struct ib_srq *base_srq, struct ib_srq_init_attr *attr,
0076            struct ib_udata *udata);
0077 int siw_modify_srq(struct ib_srq *base_srq, struct ib_srq_attr *attr,
0078            enum ib_srq_attr_mask mask, struct ib_udata *udata);
0079 int siw_query_srq(struct ib_srq *base_srq, struct ib_srq_attr *attr);
0080 int siw_destroy_srq(struct ib_srq *base_srq, struct ib_udata *udata);
0081 int siw_post_srq_recv(struct ib_srq *base_srq, const struct ib_recv_wr *wr,
0082               const struct ib_recv_wr **bad_wr);
0083 int siw_mmap(struct ib_ucontext *ctx, struct vm_area_struct *vma);
0084 void siw_mmap_free(struct rdma_user_mmap_entry *rdma_entry);
0085 void siw_qp_event(struct siw_qp *qp, enum ib_event_type type);
0086 void siw_cq_event(struct siw_cq *cq, enum ib_event_type type);
0087 void siw_srq_event(struct siw_srq *srq, enum ib_event_type type);
0088 void siw_port_event(struct siw_device *dev, u32 port, enum ib_event_type type);
0089
0090 #endif