rxe_loc.h (6721B)
1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2/* 3 * Copyright (c) 2016 Mellanox Technologies Ltd. All rights reserved. 4 * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved. 5 */ 6 7#ifndef RXE_LOC_H 8#define RXE_LOC_H 9 10/* rxe_av.c */ 11void rxe_init_av(struct rdma_ah_attr *attr, struct rxe_av *av); 12 13int rxe_av_chk_attr(struct rxe_dev *rxe, struct rdma_ah_attr *attr); 14 15void rxe_av_from_attr(u8 port_num, struct rxe_av *av, 16 struct rdma_ah_attr *attr); 17 18void rxe_av_to_attr(struct rxe_av *av, struct rdma_ah_attr *attr); 19 20void rxe_av_fill_ip_info(struct rxe_av *av, struct rdma_ah_attr *attr); 21 22struct rxe_av *rxe_get_av(struct rxe_pkt_info *pkt, struct rxe_ah **ahp); 23 24/* rxe_cq.c */ 25int rxe_cq_chk_attr(struct rxe_dev *rxe, struct rxe_cq *cq, 26 int cqe, int comp_vector); 27 28int rxe_cq_from_init(struct rxe_dev *rxe, struct rxe_cq *cq, int cqe, 29 int comp_vector, struct ib_udata *udata, 30 struct rxe_create_cq_resp __user *uresp); 31 32int rxe_cq_resize_queue(struct rxe_cq *cq, int new_cqe, 33 struct rxe_resize_cq_resp __user *uresp, 34 struct ib_udata *udata); 35 36int rxe_cq_post(struct rxe_cq *cq, struct rxe_cqe *cqe, int solicited); 37 38void rxe_cq_disable(struct rxe_cq *cq); 39 40void rxe_cq_cleanup(struct rxe_pool_elem *elem); 41 42/* rxe_mcast.c */ 43struct rxe_mcg *rxe_lookup_mcg(struct rxe_dev *rxe, union ib_gid *mgid); 44int rxe_attach_mcast(struct ib_qp *ibqp, union ib_gid *mgid, u16 mlid); 45int rxe_detach_mcast(struct ib_qp *ibqp, union ib_gid *mgid, u16 mlid); 46void rxe_cleanup_mcg(struct kref *kref); 47 48/* rxe_mmap.c */ 49struct rxe_mmap_info { 50 struct list_head pending_mmaps; 51 struct ib_ucontext *context; 52 struct kref ref; 53 void *obj; 54 55 struct mminfo info; 56}; 57 58void rxe_mmap_release(struct kref *ref); 59 60struct rxe_mmap_info *rxe_create_mmap_info(struct rxe_dev *dev, u32 size, 61 struct ib_udata *udata, void *obj); 62 63int rxe_mmap(struct ib_ucontext *context, struct vm_area_struct *vma); 64 65/* rxe_mr.c */ 66u8 rxe_get_next_key(u32 last_key); 67void rxe_mr_init_dma(struct rxe_pd *pd, int access, struct rxe_mr *mr); 68int rxe_mr_init_user(struct rxe_pd *pd, u64 start, u64 length, u64 iova, 69 int access, struct rxe_mr *mr); 70int rxe_mr_init_fast(struct rxe_pd *pd, int max_pages, struct rxe_mr *mr); 71int rxe_mr_copy(struct rxe_mr *mr, u64 iova, void *addr, int length, 72 enum rxe_mr_copy_dir dir); 73int copy_data(struct rxe_pd *pd, int access, struct rxe_dma_info *dma, 74 void *addr, int length, enum rxe_mr_copy_dir dir); 75void *iova_to_vaddr(struct rxe_mr *mr, u64 iova, int length); 76struct rxe_mr *lookup_mr(struct rxe_pd *pd, int access, u32 key, 77 enum rxe_mr_lookup_type type); 78int mr_check_range(struct rxe_mr *mr, u64 iova, size_t length); 79int advance_dma_data(struct rxe_dma_info *dma, unsigned int length); 80int rxe_invalidate_mr(struct rxe_qp *qp, u32 rkey); 81int rxe_reg_fast_mr(struct rxe_qp *qp, struct rxe_send_wqe *wqe); 82int rxe_mr_set_page(struct ib_mr *ibmr, u64 addr); 83int rxe_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata); 84void rxe_mr_cleanup(struct rxe_pool_elem *elem); 85 86/* rxe_mw.c */ 87int rxe_alloc_mw(struct ib_mw *ibmw, struct ib_udata *udata); 88int rxe_dealloc_mw(struct ib_mw *ibmw); 89int rxe_bind_mw(struct rxe_qp *qp, struct rxe_send_wqe *wqe); 90int rxe_invalidate_mw(struct rxe_qp *qp, u32 rkey); 91struct rxe_mw *rxe_lookup_mw(struct rxe_qp *qp, int access, u32 rkey); 92void rxe_mw_cleanup(struct rxe_pool_elem *elem); 93 94/* rxe_net.c */ 95struct sk_buff *rxe_init_packet(struct rxe_dev *rxe, struct rxe_av *av, 96 int paylen, struct rxe_pkt_info *pkt); 97int rxe_prepare(struct rxe_av *av, struct rxe_pkt_info *pkt, 98 struct sk_buff *skb); 99int rxe_xmit_packet(struct rxe_qp *qp, struct rxe_pkt_info *pkt, 100 struct sk_buff *skb); 101const char *rxe_parent_name(struct rxe_dev *rxe, unsigned int port_num); 102 103/* rxe_qp.c */ 104int rxe_qp_chk_init(struct rxe_dev *rxe, struct ib_qp_init_attr *init); 105int rxe_qp_from_init(struct rxe_dev *rxe, struct rxe_qp *qp, struct rxe_pd *pd, 106 struct ib_qp_init_attr *init, 107 struct rxe_create_qp_resp __user *uresp, 108 struct ib_pd *ibpd, struct ib_udata *udata); 109int rxe_qp_to_init(struct rxe_qp *qp, struct ib_qp_init_attr *init); 110int rxe_qp_chk_attr(struct rxe_dev *rxe, struct rxe_qp *qp, 111 struct ib_qp_attr *attr, int mask); 112int rxe_qp_from_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, 113 int mask, struct ib_udata *udata); 114int rxe_qp_to_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, int mask); 115void rxe_qp_error(struct rxe_qp *qp); 116int rxe_qp_chk_destroy(struct rxe_qp *qp); 117void rxe_qp_cleanup(struct rxe_pool_elem *elem); 118 119static inline int qp_num(struct rxe_qp *qp) 120{ 121 return qp->ibqp.qp_num; 122} 123 124static inline enum ib_qp_type qp_type(struct rxe_qp *qp) 125{ 126 return qp->ibqp.qp_type; 127} 128 129static inline enum ib_qp_state qp_state(struct rxe_qp *qp) 130{ 131 return qp->attr.qp_state; 132} 133 134static inline int qp_mtu(struct rxe_qp *qp) 135{ 136 if (qp->ibqp.qp_type == IB_QPT_RC || qp->ibqp.qp_type == IB_QPT_UC) 137 return qp->attr.path_mtu; 138 else 139 return IB_MTU_4096; 140} 141 142static inline int rcv_wqe_size(int max_sge) 143{ 144 return sizeof(struct rxe_recv_wqe) + 145 max_sge * sizeof(struct ib_sge); 146} 147 148void free_rd_atomic_resource(struct rxe_qp *qp, struct resp_res *res); 149 150static inline void rxe_advance_resp_resource(struct rxe_qp *qp) 151{ 152 qp->resp.res_head++; 153 if (unlikely(qp->resp.res_head == qp->attr.max_dest_rd_atomic)) 154 qp->resp.res_head = 0; 155} 156 157void retransmit_timer(struct timer_list *t); 158void rnr_nak_timer(struct timer_list *t); 159 160/* rxe_srq.c */ 161int rxe_srq_chk_init(struct rxe_dev *rxe, struct ib_srq_init_attr *init); 162int rxe_srq_from_init(struct rxe_dev *rxe, struct rxe_srq *srq, 163 struct ib_srq_init_attr *init, struct ib_udata *udata, 164 struct rxe_create_srq_resp __user *uresp); 165int rxe_srq_chk_attr(struct rxe_dev *rxe, struct rxe_srq *srq, 166 struct ib_srq_attr *attr, enum ib_srq_attr_mask mask); 167int rxe_srq_from_attr(struct rxe_dev *rxe, struct rxe_srq *srq, 168 struct ib_srq_attr *attr, enum ib_srq_attr_mask mask, 169 struct rxe_modify_srq_cmd *ucmd, struct ib_udata *udata); 170void rxe_srq_cleanup(struct rxe_pool_elem *elem); 171 172void rxe_dealloc(struct ib_device *ib_dev); 173 174int rxe_completer(void *arg); 175int rxe_requester(void *arg); 176int rxe_responder(void *arg); 177 178/* rxe_icrc.c */ 179int rxe_icrc_init(struct rxe_dev *rxe); 180int rxe_icrc_check(struct sk_buff *skb, struct rxe_pkt_info *pkt); 181void rxe_icrc_generate(struct sk_buff *skb, struct rxe_pkt_info *pkt); 182 183void rxe_resp_queue_pkt(struct rxe_qp *qp, struct sk_buff *skb); 184 185void rxe_comp_queue_pkt(struct rxe_qp *qp, struct sk_buff *skb); 186 187static inline unsigned int wr_opcode_mask(int opcode, struct rxe_qp *qp) 188{ 189 return rxe_wr_opcode_info[opcode].mask[qp->ibqp.qp_type]; 190} 191 192#endif /* RXE_LOC_H */