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Diffstat (limited to '')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_loc.h | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_loc.h b/drivers/infiniband/sw/rxe/rxe_loc.h new file mode 100644 index 000000000..c2a5c8814 --- /dev/null +++ b/drivers/infiniband/sw/rxe/rxe_loc.h @@ -0,0 +1,191 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ +/* + * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved. + * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved. + */ + +#ifndef RXE_LOC_H +#define RXE_LOC_H + +/* rxe_av.c */ +void rxe_init_av(struct rdma_ah_attr *attr, struct rxe_av *av); + +int rxe_av_chk_attr(struct rxe_dev *rxe, struct rdma_ah_attr *attr); + +void rxe_av_from_attr(u8 port_num, struct rxe_av *av, + struct rdma_ah_attr *attr); + +void rxe_av_to_attr(struct rxe_av *av, struct rdma_ah_attr *attr); + +void rxe_av_fill_ip_info(struct rxe_av *av, struct rdma_ah_attr *attr); + +struct rxe_av *rxe_get_av(struct rxe_pkt_info *pkt, struct rxe_ah **ahp); + +/* rxe_cq.c */ +int rxe_cq_chk_attr(struct rxe_dev *rxe, struct rxe_cq *cq, + int cqe, int comp_vector); + +int rxe_cq_from_init(struct rxe_dev *rxe, struct rxe_cq *cq, int cqe, + int comp_vector, struct ib_udata *udata, + struct rxe_create_cq_resp __user *uresp); + +int rxe_cq_resize_queue(struct rxe_cq *cq, int new_cqe, + struct rxe_resize_cq_resp __user *uresp, + struct ib_udata *udata); + +int rxe_cq_post(struct rxe_cq *cq, struct rxe_cqe *cqe, int solicited); + +void rxe_cq_disable(struct rxe_cq *cq); + +void rxe_cq_cleanup(struct rxe_pool_elem *elem); + +/* rxe_mcast.c */ +struct rxe_mcg *rxe_lookup_mcg(struct rxe_dev *rxe, union ib_gid *mgid); +int rxe_attach_mcast(struct ib_qp *ibqp, union ib_gid *mgid, u16 mlid); +int rxe_detach_mcast(struct ib_qp *ibqp, union ib_gid *mgid, u16 mlid); +void rxe_cleanup_mcg(struct kref *kref); + +/* rxe_mmap.c */ +struct rxe_mmap_info { + struct list_head pending_mmaps; + struct ib_ucontext *context; + struct kref ref; + void *obj; + + struct mminfo info; +}; + +void rxe_mmap_release(struct kref *ref); + +struct rxe_mmap_info *rxe_create_mmap_info(struct rxe_dev *dev, u32 size, + struct ib_udata *udata, void *obj); + +int rxe_mmap(struct ib_ucontext *context, struct vm_area_struct *vma); + +/* rxe_mr.c */ +u8 rxe_get_next_key(u32 last_key); +void rxe_mr_init_dma(int access, struct rxe_mr *mr); +int rxe_mr_init_user(struct rxe_dev *rxe, u64 start, u64 length, u64 iova, + int access, struct rxe_mr *mr); +int rxe_mr_init_fast(int max_pages, struct rxe_mr *mr); +int rxe_mr_copy(struct rxe_mr *mr, u64 iova, void *addr, int length, + enum rxe_mr_copy_dir dir); +int copy_data(struct rxe_pd *pd, int access, struct rxe_dma_info *dma, + void *addr, int length, enum rxe_mr_copy_dir dir); +void *iova_to_vaddr(struct rxe_mr *mr, u64 iova, int length); +struct rxe_mr *lookup_mr(struct rxe_pd *pd, int access, u32 key, + enum rxe_mr_lookup_type type); +int mr_check_range(struct rxe_mr *mr, u64 iova, size_t length); +int advance_dma_data(struct rxe_dma_info *dma, unsigned int length); +int rxe_invalidate_mr(struct rxe_qp *qp, u32 key); +int rxe_reg_fast_mr(struct rxe_qp *qp, struct rxe_send_wqe *wqe); +int rxe_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata); +void rxe_mr_cleanup(struct rxe_pool_elem *elem); + +/* rxe_mw.c */ +int rxe_alloc_mw(struct ib_mw *ibmw, struct ib_udata *udata); +int rxe_dealloc_mw(struct ib_mw *ibmw); +int rxe_bind_mw(struct rxe_qp *qp, struct rxe_send_wqe *wqe); +int rxe_invalidate_mw(struct rxe_qp *qp, u32 rkey); +struct rxe_mw *rxe_lookup_mw(struct rxe_qp *qp, int access, u32 rkey); +void rxe_mw_cleanup(struct rxe_pool_elem *elem); + +/* rxe_net.c */ +struct sk_buff *rxe_init_packet(struct rxe_dev *rxe, struct rxe_av *av, + int paylen, struct rxe_pkt_info *pkt); +int rxe_prepare(struct rxe_av *av, struct rxe_pkt_info *pkt, + struct sk_buff *skb); +int rxe_xmit_packet(struct rxe_qp *qp, struct rxe_pkt_info *pkt, + struct sk_buff *skb); +const char *rxe_parent_name(struct rxe_dev *rxe, unsigned int port_num); + +/* rxe_qp.c */ +int rxe_qp_chk_init(struct rxe_dev *rxe, struct ib_qp_init_attr *init); +int rxe_qp_from_init(struct rxe_dev *rxe, struct rxe_qp *qp, struct rxe_pd *pd, + struct ib_qp_init_attr *init, + struct rxe_create_qp_resp __user *uresp, + struct ib_pd *ibpd, struct ib_udata *udata); +int rxe_qp_to_init(struct rxe_qp *qp, struct ib_qp_init_attr *init); +int rxe_qp_chk_attr(struct rxe_dev *rxe, struct rxe_qp *qp, + struct ib_qp_attr *attr, int mask); +int rxe_qp_from_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, + int mask, struct ib_udata *udata); +int rxe_qp_to_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, int mask); +void rxe_qp_error(struct rxe_qp *qp); +int rxe_qp_chk_destroy(struct rxe_qp *qp); +void rxe_qp_cleanup(struct rxe_pool_elem *elem); + +static inline int qp_num(struct rxe_qp *qp) +{ + return qp->ibqp.qp_num; +} + +static inline enum ib_qp_type qp_type(struct rxe_qp *qp) +{ + return qp->ibqp.qp_type; +} + +static inline enum ib_qp_state qp_state(struct rxe_qp *qp) +{ + return qp->attr.qp_state; +} + +static inline int qp_mtu(struct rxe_qp *qp) +{ + if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) + return qp->attr.path_mtu; + else + return IB_MTU_4096; +} + +static inline int rcv_wqe_size(int max_sge) +{ + return sizeof(struct rxe_recv_wqe) + + max_sge * sizeof(struct ib_sge); +} + +void free_rd_atomic_resource(struct resp_res *res); + +static inline void rxe_advance_resp_resource(struct rxe_qp *qp) +{ + qp->resp.res_head++; + if (unlikely(qp->resp.res_head == qp->attr.max_dest_rd_atomic)) + qp->resp.res_head = 0; +} + +void retransmit_timer(struct timer_list *t); +void rnr_nak_timer(struct timer_list *t); + +/* rxe_srq.c */ +int rxe_srq_chk_init(struct rxe_dev *rxe, struct ib_srq_init_attr *init); +int rxe_srq_from_init(struct rxe_dev *rxe, struct rxe_srq *srq, + struct ib_srq_init_attr *init, struct ib_udata *udata, + struct rxe_create_srq_resp __user *uresp); +int rxe_srq_chk_attr(struct rxe_dev *rxe, struct rxe_srq *srq, + struct ib_srq_attr *attr, enum ib_srq_attr_mask mask); +int rxe_srq_from_attr(struct rxe_dev *rxe, struct rxe_srq *srq, + struct ib_srq_attr *attr, enum ib_srq_attr_mask mask, + struct rxe_modify_srq_cmd *ucmd, struct ib_udata *udata); +void rxe_srq_cleanup(struct rxe_pool_elem *elem); + +void rxe_dealloc(struct ib_device *ib_dev); + +int rxe_completer(void *arg); +int rxe_requester(void *arg); +int rxe_responder(void *arg); + +/* rxe_icrc.c */ +int rxe_icrc_init(struct rxe_dev *rxe); +int rxe_icrc_check(struct sk_buff *skb, struct rxe_pkt_info *pkt); +void rxe_icrc_generate(struct sk_buff *skb, struct rxe_pkt_info *pkt); + +void rxe_resp_queue_pkt(struct rxe_qp *qp, struct sk_buff *skb); + +void rxe_comp_queue_pkt(struct rxe_qp *qp, struct sk_buff *skb); + +static inline unsigned int wr_opcode_mask(int opcode, struct rxe_qp *qp) +{ + return rxe_wr_opcode_info[opcode].mask[qp->ibqp.qp_type]; +} + +#endif /* RXE_LOC_H */ |