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 93