linux/drivers/infiniband/hw/erdma/erdma_qp.c

// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause

/* Authors: Cheng Xu <[email protected]> */
/*          Kai Shen <[email protected]> */
/* Copyright (c) 2020-2021, Alibaba Group */
/* Authors: Bernard Metzler <[email protected]> */
/* Copyright (c) 2008-2019, IBM Corporation */

#include "erdma_cm.h"
#include "erdma_verbs.h"

void erdma_qp_llp_close(struct erdma_qp *qp)
{ … }

struct ib_qp *erdma_get_ibqp(struct ib_device *ibdev, int id)
{ … }

static int erdma_modify_qp_state_to_rts(struct erdma_qp *qp,
					struct erdma_qp_attrs *attrs,
					enum erdma_qp_attr_mask mask)
{ … }

static int erdma_modify_qp_state_to_stop(struct erdma_qp *qp,
					 struct erdma_qp_attrs *attrs,
					 enum erdma_qp_attr_mask mask)
{ … }

int erdma_modify_qp_internal(struct erdma_qp *qp, struct erdma_qp_attrs *attrs,
			     enum erdma_qp_attr_mask mask)
{ … }

static void erdma_qp_safe_free(struct kref *ref)
{ … }

void erdma_qp_put(struct erdma_qp *qp)
{ … }

void erdma_qp_get(struct erdma_qp *qp)
{ … }

static int fill_inline_data(struct erdma_qp *qp,
			    const struct ib_send_wr *send_wr, u16 wqe_idx,
			    u32 sgl_offset, __le32 *length_field)
{ … }

static int fill_sgl(struct erdma_qp *qp, const struct ib_send_wr *send_wr,
		    u16 wqe_idx, u32 sgl_offset, __le32 *length_field)
{ … }

static int erdma_push_one_sqe(struct erdma_qp *qp, u16 *pi,
			      const struct ib_send_wr *send_wr)
{ … }

static void kick_sq_db(struct erdma_qp *qp, u16 pi)
{ … }

int erdma_post_send(struct ib_qp *ibqp, const struct ib_send_wr *send_wr,
		    const struct ib_send_wr **bad_send_wr)
{ … }

static int erdma_post_recv_one(struct erdma_qp *qp,
			       const struct ib_recv_wr *recv_wr)
{ … }

int erdma_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *recv_wr,
		    const struct ib_recv_wr **bad_recv_wr)
{ … }