On Tue, Dec 21, 2021 at 10:48:53AM +0800, Cheng Xu wrote: > This header file defines the main structrues and functions used for RDMA > Verbs, including qp, cq, mr ucontext, etc,. > > Signed-off-by: Cheng Xu <chengyou@xxxxxxxxxxxxxxxxx> > --- > drivers/infiniband/hw/erdma/erdma_verbs.h | 366 ++++++++++++++++++++++ > 1 file changed, 366 insertions(+) > create mode 100644 drivers/infiniband/hw/erdma/erdma_verbs.h > > diff --git a/drivers/infiniband/hw/erdma/erdma_verbs.h b/drivers/infiniband/hw/erdma/erdma_verbs.h > new file mode 100644 > index 000000000000..6eda8843d0d5 > --- /dev/null > +++ b/drivers/infiniband/hw/erdma/erdma_verbs.h > @@ -0,0 +1,366 @@ > +/* SPDX-License-Identifier: GPL-2.0 > + * > + * Authors: Cheng Xu <chengyou@xxxxxxxxxxxxxxxxx> > + * Kai Shen <kaishen@xxxxxxxxxxxxxxxxx> > + * Copyright (c) 2020-2021, Alibaba Group. > + */ > + > +#ifndef __ERDMA_VERBS_H__ > +#define __ERDMA_VERBS_H__ <...> > +extern int erdma_query_port(struct ib_device *dev, u32 port, struct ib_port_attr *attr); > +extern int erdma_query_pkey(struct ib_device *dev, u32 port, u16 idx, u16 *pkey); > +extern int erdma_query_gid(struct ib_device *dev, u32 port, int idx, union ib_gid *gid); > +extern int erdma_alloc_pd(struct ib_pd *pd, struct ib_udata *data); > +extern int erdma_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata); > +extern int erdma_create_qp(struct ib_qp *ibqp, struct ib_qp_init_attr *attr, > + struct ib_udata *data); > +extern int erdma_query_qp(struct ib_qp *qp, struct ib_qp_attr *attr, int mask, > + struct ib_qp_init_attr *init_attr); > +extern int erdma_modify_qp(struct ib_qp *qp, struct ib_qp_attr *attr, int mask, > + struct ib_udata *data); > +extern int erdma_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata); > +extern int erdma_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata); > +extern int erdma_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); > +extern struct ib_mr *erdma_reg_user_mr(struct ib_pd *ibpd, u64 start, u64 len, > + u64 virt, int access, struct ib_udata *udata); > +extern struct ib_mr *erdma_get_dma_mr(struct ib_pd *ibpd, int rights); > +extern int erdma_dereg_mr(struct ib_mr *mr, struct ib_udata *data); > +extern int erdma_mmap(struct ib_ucontext *ctx, struct vm_area_struct *vma); > +extern void erdma_qp_get_ref(struct ib_qp *qp); > +extern void erdma_qp_put_ref(struct ib_qp *qp); > +extern struct ib_qp *erdma_get_ibqp(struct ib_device *dev, int id); > +extern int erdma_post_send(struct ib_qp *qp, const struct ib_send_wr *send_wr, > + const struct ib_send_wr **bad_send_wr); > +extern int erdma_post_recv(struct ib_qp *qp, const struct ib_recv_wr *recv_wr, > + const struct ib_recv_wr **bad_recv_wr); > +extern int erdma_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc); > +extern struct ib_mr *erdma_ib_alloc_mr(struct ib_pd *ibpd, enum ib_mr_type mr_type, > + u32 max_num_sg); > +extern int erdma_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, > + int sg_nents, unsigned int *sg_offset); > +extern struct net_device *erdma_get_netdev(struct ib_device *device, u32 port_num); > +extern void erdma_disassociate_ucontext(struct ib_ucontext *ibcontext); > +extern void erdma_port_event(struct erdma_dev *dev, enum ib_event_type reason); Why do you add "extern" to function declarations? Thanks > + > +#endif > -- > 2.27.0 >
