/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* Authors: Cheng Xu <[email protected]> */ /* Kai Shen <[email protected]> */ /* Copyright (c) 2020-2022, Alibaba Group. */ #ifndef __ERDMA_VERBS_H__ #define __ERDMA_VERBS_H__ #include "erdma.h" /* RDMA Capability. */ #define ERDMA_MAX_PD … #define ERDMA_MAX_SEND_WR … #define ERDMA_MAX_ORD … #define ERDMA_MAX_IRD … #define ERDMA_MAX_SGE_RD … #define ERDMA_MAX_CONTEXT … #define ERDMA_MAX_SEND_SGE … #define ERDMA_MAX_RECV_SGE … #define ERDMA_MAX_INLINE … #define ERDMA_MAX_FRMR_PA … enum { … }; struct erdma_user_mmap_entry { … }; struct erdma_ext_db_info { … }; struct erdma_ucontext { … }; struct erdma_pd { … }; /* * MemoryRegion definition. */ #define ERDMA_MAX_INLINE_MTT_ENTRIES … #define MTT_SIZE(mtt_cnt) … #define ERDMA_MR_MAX_MTT_CNT … #define ERDMA_MTT_ENTRY_SIZE … #define ERDMA_MR_TYPE_NORMAL … #define ERDMA_MR_TYPE_FRMR … #define ERDMA_MR_TYPE_DMA … #define ERDMA_MR_MTT_0LEVEL … #define ERDMA_MR_MTT_1LEVEL … #define ERDMA_MR_ACC_RA … #define ERDMA_MR_ACC_LR … #define ERDMA_MR_ACC_LW … #define ERDMA_MR_ACC_RR … #define ERDMA_MR_ACC_RW … static inline u8 to_erdma_access_flags(int access) { … } /* Hierarchical storage structure for MTT entries */ struct erdma_mtt { … }; struct erdma_mem { … }; struct erdma_mr { … }; struct erdma_user_dbrecords_page { … }; struct erdma_uqp { … }; struct erdma_kqp { … }; enum erdma_qp_state { … }; enum erdma_qp_attr_mask { … }; enum erdma_qp_flags { … }; struct erdma_qp_attrs { … }; struct erdma_qp { … }; struct erdma_kcq_info { … }; struct erdma_ucq_info { … }; struct erdma_cq { … }; #define QP_ID(qp) … static inline struct erdma_qp *find_qp_by_qpn(struct erdma_dev *dev, int id) { … } static inline struct erdma_cq *find_cq_by_cqn(struct erdma_dev *dev, int id) { … } void erdma_qp_get(struct erdma_qp *qp); void erdma_qp_put(struct erdma_qp *qp); int erdma_modify_qp_internal(struct erdma_qp *qp, struct erdma_qp_attrs *attrs, enum erdma_qp_attr_mask mask); void erdma_qp_llp_close(struct erdma_qp *qp); void erdma_qp_cm_drop(struct erdma_qp *qp); static inline struct erdma_ucontext *to_ectx(struct ib_ucontext *ibctx) { … } static inline struct erdma_pd *to_epd(struct ib_pd *pd) { … } static inline struct erdma_mr *to_emr(struct ib_mr *ibmr) { … } static inline struct erdma_qp *to_eqp(struct ib_qp *qp) { … } static inline struct erdma_cq *to_ecq(struct ib_cq *ibcq) { … } static inline struct erdma_user_mmap_entry * to_emmap(struct rdma_user_mmap_entry *ibmmap) { … } int erdma_alloc_ucontext(struct ib_ucontext *ibctx, struct ib_udata *data); void erdma_dealloc_ucontext(struct ib_ucontext *ibctx); int erdma_query_device(struct ib_device *dev, struct ib_device_attr *attr, struct ib_udata *data); int erdma_get_port_immutable(struct ib_device *dev, u32 port, struct ib_port_immutable *ib_port_immutable); int erdma_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr, struct uverbs_attr_bundle *attrs); int erdma_query_port(struct ib_device *dev, u32 port, struct ib_port_attr *attr); int erdma_query_gid(struct ib_device *dev, u32 port, int idx, union ib_gid *gid); int erdma_alloc_pd(struct ib_pd *ibpd, struct ib_udata *data); int erdma_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata); int erdma_create_qp(struct ib_qp *ibqp, struct ib_qp_init_attr *attr, struct ib_udata *data); int erdma_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int mask, struct ib_qp_init_attr *init_attr); int erdma_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int mask, struct ib_udata *data); int erdma_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata); int erdma_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata); int erdma_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags); struct ib_mr *erdma_reg_user_mr(struct ib_pd *ibpd, u64 start, u64 len, u64 virt, int access, struct ib_udata *udata); struct ib_mr *erdma_get_dma_mr(struct ib_pd *ibpd, int rights); int erdma_dereg_mr(struct ib_mr *ibmr, struct ib_udata *data); int erdma_mmap(struct ib_ucontext *ctx, struct vm_area_struct *vma); void erdma_mmap_free(struct rdma_user_mmap_entry *rdma_entry); void erdma_qp_get_ref(struct ib_qp *ibqp); void erdma_qp_put_ref(struct ib_qp *ibqp); struct ib_qp *erdma_get_ibqp(struct ib_device *dev, int id); int erdma_post_send(struct ib_qp *ibqp, const struct ib_send_wr *send_wr, const struct ib_send_wr **bad_send_wr); int erdma_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *recv_wr, const struct ib_recv_wr **bad_recv_wr); int erdma_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); struct ib_mr *erdma_ib_alloc_mr(struct ib_pd *ibpd, enum ib_mr_type mr_type, u32 max_num_sg); int erdma_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents, unsigned int *sg_offset); void erdma_port_event(struct erdma_dev *dev, enum ib_event_type reason); void erdma_set_mtu(struct erdma_dev *dev, u32 mtu); struct rdma_hw_stats *erdma_alloc_hw_port_stats(struct ib_device *device, u32 port_num); int erdma_get_hw_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats, u32 port, int index); #endif
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