163fa15dbSBob Pearson /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 28700e3e7SMoni Shoua /* 38700e3e7SMoni Shoua * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved. 48700e3e7SMoni Shoua * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved. 58700e3e7SMoni Shoua */ 68700e3e7SMoni Shoua 78700e3e7SMoni Shoua #ifndef RXE_LOC_H 88700e3e7SMoni Shoua #define RXE_LOC_H 98700e3e7SMoni Shoua 108700e3e7SMoni Shoua /* rxe_av.c */ 11fa407188SKamal Heib void rxe_init_av(struct rdma_ah_attr *attr, struct rxe_av *av); 1225fd735aSBob Pearson int rxe_av_chk_attr(struct rxe_qp *qp, struct rdma_ah_attr *attr); 1325fd735aSBob Pearson int rxe_ah_chk_attr(struct rxe_ah *ah, struct rdma_ah_attr *attr); 14ca3d9feeSZhu Yanjun void rxe_av_from_attr(u8 port_num, struct rxe_av *av, 151a241db1SZhu Yanjun struct rdma_ah_attr *attr); 16a402dc44SZhu Yanjun void rxe_av_to_attr(struct rxe_av *av, struct rdma_ah_attr *attr); 1747ec3866SParav Pandit void rxe_av_fill_ip_info(struct rxe_av *av, struct rdma_ah_attr *attr); 1863221acbSBob Pearson struct rxe_av *rxe_get_av(struct rxe_pkt_info *pkt, struct rxe_ah **ahp); 198700e3e7SMoni Shoua 208700e3e7SMoni Shoua /* rxe_cq.c */ 218700e3e7SMoni Shoua int rxe_cq_chk_attr(struct rxe_dev *rxe, struct rxe_cq *cq, 22b92ec0feSJason Gunthorpe int cqe, int comp_vector); 238700e3e7SMoni Shoua 248700e3e7SMoni Shoua int rxe_cq_from_init(struct rxe_dev *rxe, struct rxe_cq *cq, int cqe, 25ff23dfa1SShamir Rabinovitch int comp_vector, struct ib_udata *udata, 260c43ab37SJason Gunthorpe struct rxe_create_cq_resp __user *uresp); 278700e3e7SMoni Shoua 280c43ab37SJason Gunthorpe int rxe_cq_resize_queue(struct rxe_cq *cq, int new_cqe, 29ff23dfa1SShamir Rabinovitch struct rxe_resize_cq_resp __user *uresp, 30ff23dfa1SShamir Rabinovitch struct ib_udata *udata); 318700e3e7SMoni Shoua 328700e3e7SMoni Shoua int rxe_cq_post(struct rxe_cq *cq, struct rxe_cqe *cqe, int solicited); 338700e3e7SMoni Shoua 34b2a41678SBob Pearson void rxe_cq_cleanup(struct rxe_pool_elem *elem); 358700e3e7SMoni Shoua 368700e3e7SMoni Shoua /* rxe_mcast.c */ 378a0a5fe0SBob Pearson struct rxe_mcg *rxe_lookup_mcg(struct rxe_dev *rxe, union ib_gid *mgid); 38758c7f1eSBob Pearson int rxe_attach_mcast(struct ib_qp *ibqp, union ib_gid *mgid, u16 mlid); 39758c7f1eSBob Pearson int rxe_detach_mcast(struct ib_qp *ibqp, union ib_gid *mgid, u16 mlid); 403810c1a1SBob Pearson void rxe_cleanup_mcg(struct kref *kref); 418700e3e7SMoni Shoua 428700e3e7SMoni Shoua /* rxe_mmap.c */ 438700e3e7SMoni Shoua struct rxe_mmap_info { 448700e3e7SMoni Shoua struct list_head pending_mmaps; 458700e3e7SMoni Shoua struct ib_ucontext *context; 468700e3e7SMoni Shoua struct kref ref; 478700e3e7SMoni Shoua void *obj; 488700e3e7SMoni Shoua 498700e3e7SMoni Shoua struct mminfo info; 508700e3e7SMoni Shoua }; 518700e3e7SMoni Shoua 528700e3e7SMoni Shoua void rxe_mmap_release(struct kref *ref); 538700e3e7SMoni Shoua 54ff23dfa1SShamir Rabinovitch struct rxe_mmap_info *rxe_create_mmap_info(struct rxe_dev *dev, u32 size, 55ff23dfa1SShamir Rabinovitch struct ib_udata *udata, void *obj); 568700e3e7SMoni Shoua 578700e3e7SMoni Shoua int rxe_mmap(struct ib_ucontext *context, struct vm_area_struct *vma); 588700e3e7SMoni Shoua 598700e3e7SMoni Shoua /* rxe_mr.c */ 60beec0239SBob Pearson u8 rxe_get_next_key(u32 last_key); 6158651bbbSBob Pearson void rxe_mr_init_dma(int access, struct rxe_mr *mr); 62aafe4cc5SGuoqing Jiang int rxe_mr_init_user(struct rxe_dev *rxe, u64 start, u64 length, 63cd5b010fSLang Cheng int access, struct rxe_mr *mr); 6458651bbbSBob Pearson int rxe_mr_init_fast(int max_pages, struct rxe_mr *mr); 65592627ccSBob Pearson int rxe_flush_pmem_iova(struct rxe_mr *mr, u64 iova, unsigned int length); 66592627ccSBob Pearson int rxe_mr_copy(struct rxe_mr *mr, u64 iova, void *addr, 67592627ccSBob Pearson unsigned int length, enum rxe_mr_copy_dir dir); 681117f26eSBob Pearson int copy_data(struct rxe_pd *pd, int access, struct rxe_dma_info *dma, 691117f26eSBob Pearson void *addr, int length, enum rxe_mr_copy_dir dir); 70db4729a5SBob Pearson int rxe_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, 71db4729a5SBob Pearson int sg_nents, unsigned int *sg_offset); 72f04d5b3dSBob Pearson int rxe_mr_do_atomic_op(struct rxe_mr *mr, u64 iova, int opcode, 73f04d5b3dSBob Pearson u64 compare, u64 swap_add, u64 *orig_val); 74d8bdb0ebSBob Pearson int rxe_mr_do_atomic_write(struct rxe_mr *mr, u64 iova, u64 value); 75364e282cSBob Pearson struct rxe_mr *lookup_mr(struct rxe_pd *pd, int access, u32 key, 763902b429SBob Pearson enum rxe_mr_lookup_type type); 77364e282cSBob Pearson int mr_check_range(struct rxe_mr *mr, u64 iova, size_t length); 788700e3e7SMoni Shoua int advance_dma_data(struct rxe_dma_info *dma, unsigned int length); 79174e7b13SMd Haris Iqbal int rxe_invalidate_mr(struct rxe_qp *qp, u32 key); 8000134533SBob Pearson int rxe_reg_fast_mr(struct rxe_qp *qp, struct rxe_send_wqe *wqe); 81b2a41678SBob Pearson void rxe_mr_cleanup(struct rxe_pool_elem *elem); 828700e3e7SMoni Shoua 83beec0239SBob Pearson /* rxe_mw.c */ 84beec0239SBob Pearson int rxe_alloc_mw(struct ib_mw *ibmw, struct ib_udata *udata); 85beec0239SBob Pearson int rxe_dealloc_mw(struct ib_mw *ibmw); 8632a577b4SBob Pearson int rxe_bind_mw(struct rxe_qp *qp, struct rxe_send_wqe *wqe); 873902b429SBob Pearson int rxe_invalidate_mw(struct rxe_qp *qp, u32 rkey); 88cdd0b856SBob Pearson struct rxe_mw *rxe_lookup_mw(struct rxe_qp *qp, int access, u32 rkey); 89b2a41678SBob Pearson void rxe_mw_cleanup(struct rxe_pool_elem *elem); 90beec0239SBob Pearson 91839f5ac0SBart Van Assche /* rxe_net.c */ 92839f5ac0SBart Van Assche struct sk_buff *rxe_init_packet(struct rxe_dev *rxe, struct rxe_av *av, 93839f5ac0SBart Van Assche int paylen, struct rxe_pkt_info *pkt); 9463221acbSBob Pearson int rxe_prepare(struct rxe_av *av, struct rxe_pkt_info *pkt, 9563221acbSBob Pearson struct sk_buff *skb); 9636fbb03dSBob Pearson int rxe_xmit_packet(struct rxe_qp *qp, struct rxe_pkt_info *pkt, 9736fbb03dSBob Pearson struct sk_buff *skb); 98839f5ac0SBart Van Assche const char *rxe_parent_name(struct rxe_dev *rxe, unsigned int port_num); 99839f5ac0SBart Van Assche 1008700e3e7SMoni Shoua /* rxe_qp.c */ 1018700e3e7SMoni Shoua int rxe_qp_chk_init(struct rxe_dev *rxe, struct ib_qp_init_attr *init); 1028700e3e7SMoni Shoua int rxe_qp_from_init(struct rxe_dev *rxe, struct rxe_qp *qp, struct rxe_pd *pd, 1030c43ab37SJason Gunthorpe struct ib_qp_init_attr *init, 1040c43ab37SJason Gunthorpe struct rxe_create_qp_resp __user *uresp, 105e00b64f7SShamir Rabinovitch struct ib_pd *ibpd, struct ib_udata *udata); 1068700e3e7SMoni Shoua int rxe_qp_to_init(struct rxe_qp *qp, struct ib_qp_init_attr *init); 1078700e3e7SMoni Shoua int rxe_qp_chk_attr(struct rxe_dev *rxe, struct rxe_qp *qp, 1088700e3e7SMoni Shoua struct ib_qp_attr *attr, int mask); 1098700e3e7SMoni Shoua int rxe_qp_from_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, 1108700e3e7SMoni Shoua int mask, struct ib_udata *udata); 1118700e3e7SMoni Shoua int rxe_qp_to_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, int mask); 1128700e3e7SMoni Shoua void rxe_qp_error(struct rxe_qp *qp); 113f9f48460SBob Pearson int rxe_qp_chk_destroy(struct rxe_qp *qp); 11402827b67SBob Pearson void rxe_qp_cleanup(struct rxe_pool_elem *elem); 1158700e3e7SMoni Shoua 1168700e3e7SMoni Shoua static inline int qp_num(struct rxe_qp *qp) 1178700e3e7SMoni Shoua { 1188700e3e7SMoni Shoua return qp->ibqp.qp_num; 1198700e3e7SMoni Shoua } 1208700e3e7SMoni Shoua 1218700e3e7SMoni Shoua static inline enum ib_qp_type qp_type(struct rxe_qp *qp) 1228700e3e7SMoni Shoua { 1238700e3e7SMoni Shoua return qp->ibqp.qp_type; 1248700e3e7SMoni Shoua } 1258700e3e7SMoni Shoua 1268700e3e7SMoni Shoua static inline enum ib_qp_state qp_state(struct rxe_qp *qp) 1278700e3e7SMoni Shoua { 1288700e3e7SMoni Shoua return qp->attr.qp_state; 1298700e3e7SMoni Shoua } 1308700e3e7SMoni Shoua 1318700e3e7SMoni Shoua static inline int qp_mtu(struct rxe_qp *qp) 1328700e3e7SMoni Shoua { 1338700e3e7SMoni Shoua if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) 1348700e3e7SMoni Shoua return qp->attr.path_mtu; 1358700e3e7SMoni Shoua else 1360797e6f1SNathan Chancellor return IB_MTU_4096; 1378700e3e7SMoni Shoua } 1388700e3e7SMoni Shoua 13968691badSXiao Yang void free_rd_atomic_resource(struct resp_res *res); 1408700e3e7SMoni Shoua 1418700e3e7SMoni Shoua static inline void rxe_advance_resp_resource(struct rxe_qp *qp) 1428700e3e7SMoni Shoua { 1438700e3e7SMoni Shoua qp->resp.res_head++; 144b6bbee0dSParav Pandit if (unlikely(qp->resp.res_head == qp->attr.max_dest_rd_atomic)) 1458700e3e7SMoni Shoua qp->resp.res_head = 0; 1468700e3e7SMoni Shoua } 1478700e3e7SMoni Shoua 1483bfbea74SKees Cook void retransmit_timer(struct timer_list *t); 1493bfbea74SKees Cook void rnr_nak_timer(struct timer_list *t); 1508700e3e7SMoni Shoua 1518700e3e7SMoni Shoua /* rxe_srq.c */ 1520b1fbfb9SBob Pearson int rxe_srq_chk_init(struct rxe_dev *rxe, struct ib_srq_init_attr *init); 1538700e3e7SMoni Shoua int rxe_srq_from_init(struct rxe_dev *rxe, struct rxe_srq *srq, 154ff23dfa1SShamir Rabinovitch struct ib_srq_init_attr *init, struct ib_udata *udata, 1550c43ab37SJason Gunthorpe struct rxe_create_srq_resp __user *uresp); 1560b1fbfb9SBob Pearson int rxe_srq_chk_attr(struct rxe_dev *rxe, struct rxe_srq *srq, 1570b1fbfb9SBob Pearson struct ib_srq_attr *attr, enum ib_srq_attr_mask mask); 1588700e3e7SMoni Shoua int rxe_srq_from_attr(struct rxe_dev *rxe, struct rxe_srq *srq, 1598700e3e7SMoni Shoua struct ib_srq_attr *attr, enum ib_srq_attr_mask mask, 160ff23dfa1SShamir Rabinovitch struct rxe_modify_srq_cmd *ucmd, struct ib_udata *udata); 161b2a41678SBob Pearson void rxe_srq_cleanup(struct rxe_pool_elem *elem); 1628700e3e7SMoni Shoua 163c367074bSJason Gunthorpe void rxe_dealloc(struct ib_device *ib_dev); 1648700e3e7SMoni Shoua 1653946fc2aSBob Pearson int rxe_completer(struct rxe_qp *qp); 1663946fc2aSBob Pearson int rxe_requester(struct rxe_qp *qp); 16767f57892SBob Pearson int rxe_sender(struct rxe_qp *qp); 16867f57892SBob Pearson int rxe_receiver(struct rxe_qp *qp); 1698700e3e7SMoni Shoua 170fe87fb17SBob Pearson /* rxe_icrc.c */ 171add2b3b8SBob Pearson int rxe_icrc_init(struct rxe_dev *rxe); 172fe87fb17SBob Pearson int rxe_icrc_check(struct sk_buff *skb, struct rxe_pkt_info *pkt); 1731117f26eSBob Pearson void rxe_icrc_generate(struct sk_buff *skb, struct rxe_pkt_info *pkt); 1748700e3e7SMoni Shoua 1759802c335SZhu Yanjun void rxe_resp_queue_pkt(struct rxe_qp *qp, struct sk_buff *skb); 1768700e3e7SMoni Shoua 1779802c335SZhu Yanjun void rxe_comp_queue_pkt(struct rxe_qp *qp, struct sk_buff *skb); 1788700e3e7SMoni Shoua 179c498e82eSKamal Heib static inline unsigned int wr_opcode_mask(int opcode, struct rxe_qp *qp) 1808700e3e7SMoni Shoua { 1818700e3e7SMoni Shoua return rxe_wr_opcode_info[opcode].mask[qp->ibqp.qp_type]; 1828700e3e7SMoni Shoua } 1838700e3e7SMoni Shoua 1848700e3e7SMoni Shoua #endif /* RXE_LOC_H */ 185