linux/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c

/*
 * Copyright (c) 2012-2016 VMware, Inc.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of EITHER the GNU General Public License
 * version 2 as published by the Free Software Foundation or the BSD
 * 2-Clause License. This program is distributed in the hope that it
 * will be useful, but WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED
 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License version 2 for more details at
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program available in the file COPYING in the main
 * directory of this source tree.
 *
 * The BSD 2-Clause License
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <asm/page.h>
#include <linux/inet.h>
#include <linux/io.h>
#include <rdma/ib_addr.h>
#include <rdma/ib_smi.h>
#include <rdma/ib_user_verbs.h>
#include <rdma/vmw_pvrdma-abi.h>
#include <rdma/uverbs_ioctl.h>

#include "pvrdma.h"

/**
 * pvrdma_query_device - query device
 * @ibdev: the device to query
 * @props: the device properties
 * @uhw: user data
 *
 * @return: 0 on success, otherwise negative errno
 */
int pvrdma_query_device(struct ib_device *ibdev,
			struct ib_device_attr *props,
			struct ib_udata *uhw)
{}

/**
 * pvrdma_query_port - query device port attributes
 * @ibdev: the device to query
 * @port: the port number
 * @props: the device properties
 *
 * @return: 0 on success, otherwise negative errno
 */
int pvrdma_query_port(struct ib_device *ibdev, u32 port,
		      struct ib_port_attr *props)
{}

/**
 * pvrdma_query_gid - query device gid
 * @ibdev: the device to query
 * @port: the port number
 * @index: the index
 * @gid: the device gid value
 *
 * @return: 0 on success, otherwise negative errno
 */
int pvrdma_query_gid(struct ib_device *ibdev, u32 port, int index,
		     union ib_gid *gid)
{}

/**
 * pvrdma_query_pkey - query device port's P_Key table
 * @ibdev: the device to query
 * @port: the port number
 * @index: the index
 * @pkey: the device P_Key value
 *
 * @return: 0 on success, otherwise negative errno
 */
int pvrdma_query_pkey(struct ib_device *ibdev, u32 port, u16 index,
		      u16 *pkey)
{}

enum rdma_link_layer pvrdma_port_link_layer(struct ib_device *ibdev,
					    u32 port)
{}

int pvrdma_modify_device(struct ib_device *ibdev, int mask,
			 struct ib_device_modify *props)
{}

/**
 * pvrdma_modify_port - modify device port attributes
 * @ibdev: the device to modify
 * @port: the port number
 * @mask: attributes to modify
 * @props: the device properties
 *
 * @return: 0 on success, otherwise negative errno
 */
int pvrdma_modify_port(struct ib_device *ibdev, u32 port, int mask,
		       struct ib_port_modify *props)
{}

/**
 * pvrdma_alloc_ucontext - allocate ucontext
 * @uctx: the uverbs countext
 * @udata: user data
 *
 * @return:  zero on success, otherwise errno.
 */
int pvrdma_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata)
{}

/**
 * pvrdma_dealloc_ucontext - deallocate ucontext
 * @ibcontext: the ucontext
 */
void pvrdma_dealloc_ucontext(struct ib_ucontext *ibcontext)
{}

/**
 * pvrdma_mmap - create mmap region
 * @ibcontext: the user context
 * @vma: the VMA
 *
 * @return: 0 on success, otherwise errno.
 */
int pvrdma_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma)
{}

/**
 * pvrdma_alloc_pd - allocate protection domain
 * @ibpd: PD pointer
 * @udata: user data
 *
 * @return: the ib_pd protection domain pointer on success, otherwise errno.
 */
int pvrdma_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
{}

/**
 * pvrdma_dealloc_pd - deallocate protection domain
 * @pd: the protection domain to be released
 * @udata: user data or null for kernel object
 *
 * @return: Always 0
 */
int pvrdma_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata)
{}

/**
 * pvrdma_create_ah - create an address handle
 * @ibah: the IB address handle
 * @init_attr: the attributes of the AH
 * @udata: pointer to user data
 *
 * @return: 0 on success, otherwise errno.
 */
int pvrdma_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr,
		     struct ib_udata *udata)
{}

/**
 * pvrdma_destroy_ah - destroy an address handle
 * @ah: the address handle to destroyed
 * @flags: destroy address handle flags (see enum rdma_destroy_ah_flags)
 *
 */
int pvrdma_destroy_ah(struct ib_ah *ah, u32 flags)
{}