linux/drivers/infiniband/sw/rdmavt/srq.c

// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
 * Copyright(c) 2016 Intel Corporation.
 */

#include <linux/err.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <rdma/uverbs_ioctl.h>

#include "srq.h"
#include "vt.h"
#include "qp.h"
/**
 * rvt_driver_srq_init - init srq resources on a per driver basis
 * @rdi: rvt dev structure
 *
 * Do any initialization needed when a driver registers with rdmavt.
 */
void rvt_driver_srq_init(struct rvt_dev_info *rdi)
{ … }

/**
 * rvt_create_srq - create a shared receive queue
 * @ibsrq: the protection domain of the SRQ to create
 * @srq_init_attr: the attributes of the SRQ
 * @udata: data from libibverbs when creating a user SRQ
 *
 * Return: 0 on success
 */
int rvt_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *srq_init_attr,
		   struct ib_udata *udata)
{ … }

/**
 * rvt_modify_srq - modify a shared receive queue
 * @ibsrq: the SRQ to modify
 * @attr: the new attributes of the SRQ
 * @attr_mask: indicates which attributes to modify
 * @udata: user data for libibverbs.so
 *
 * Return: 0 on success
 */
int rvt_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
		   enum ib_srq_attr_mask attr_mask,
		   struct ib_udata *udata)
{ … }

/**
 * rvt_query_srq - query srq data
 * @ibsrq: srq to query
 * @attr: return info in attr
 *
 * Return: always 0
 */
int rvt_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr)
{ … }

/**
 * rvt_destroy_srq - destory an srq
 * @ibsrq: srq object to destroy
 * @udata: user data for libibverbs.so
 */
int rvt_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
{ … }