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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/infiniband/sw/rxe/rxe_loc.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_loc.h')
-rw-r--r--drivers/infiniband/sw/rxe/rxe_loc.h191
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 */