path: root/drivers/infiniband/hw/cxgb3/iwch_provider.c

/*
 * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     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.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/ethtool.h>
#include <linux/rtnetlink.h>

#include <asm/io.h>
#include <asm/irq.h>
#include <asm/byteorder.h>

#include <rdma/iw_cm.h>
#include <rdma/ib_verbs.h>
#include <rdma/ib_smi.h>
#include <rdma/ib_umem.h>
#include <rdma/ib_user_verbs.h>

#include "cxio_hal.h"
#include "iwch.h"
#include "iwch_provider.h"
#include "iwch_cm.h"
#include "iwch_user.h"

static int iwch_modify_port(struct ib_device *ibdev,
			    u8 port, int port_modify_mask,
			    struct ib_port_modify *props)
{
	return -ENOSYS;
}

static struct ib_ah *iwch_ah_create(struct ib_pd *pd,
				    struct ib_ah_attr *ah_attr)
{
	return ERR_PTR(-ENOSYS);
}

static int iwch_ah_destroy(struct ib_ah *ah)
{
	return -ENOSYS;
}

static int iwch_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
{
	return -ENOSYS;
}

static int iwch_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
{
	return -ENOSYS;
}

static int iwch_process_mad(struct ib_device *ibdev,
			    int mad_flags,
			    u8 port_num,
			    struct ib_wc *in_wc,
			    struct ib_grh *in_grh,
			    struct ib_mad *in_mad, struct ib_mad *out_mad)
{
	return -ENOSYS;
}

static int iwch_dealloc_ucontext(struct ib_ucontext *context)
{
	struct iwch_dev *rhp = to_iwch_dev(context->device);
	struct iwch_ucontext *ucontext = to_iwch_ucontext(context);
	struct iwch_mm_entry *mm, *tmp;

	PDBG("%s context %p\n", __func__, context);
	list_for_each_entry_safe(mm, tmp, &ucontext->mmaps, entry)
		kfree(mm);
	cxio_release_ucontext(&rhp->rdev, &ucontext->uctx);
	kfree(ucontext);
	return 0;
}

static struct ib_ucontext *iwch_alloc_ucontext(struct ib_device *ibdev,
					struct ib_udata *udata)
{
	struct iwch_ucontext *context;
	struct iwch_dev *</