linux/drivers/infiniband/hw/usnic/usnic_uiom.h

/*
 * Copyright (c) 2013, Cisco Systems, 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
 * 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.
 *
 */

#ifndef USNIC_UIOM_H_
#define USNIC_UIOM_H_

#include <linux/list.h>
#include <linux/scatterlist.h>

#include "usnic_uiom_interval_tree.h"

struct ib_ucontext;

#define USNIC_UIOM_READ …
#define USNIC_UIOM_WRITE …

#define USNIC_UIOM_MAX_PD_CNT …
#define USNIC_UIOM_MAX_MR_CNT …
#define USNIC_UIOM_MAX_MR_SIZE …
#define USNIC_UIOM_PAGE_SIZE …

struct usnic_uiom_dev { … };

struct usnic_uiom_pd { … };

struct usnic_uiom_reg { … };

struct usnic_uiom_chunk { … };

struct usnic_uiom_pd *usnic_uiom_alloc_pd(struct device *dev);
void usnic_uiom_dealloc_pd(struct usnic_uiom_pd *pd);
int usnic_uiom_attach_dev_to_pd(struct usnic_uiom_pd *pd, struct device *dev);
void usnic_uiom_detach_dev_from_pd(struct usnic_uiom_pd *pd,
					struct device *dev);
struct device **usnic_uiom_get_dev_list(struct usnic_uiom_pd *pd);
void usnic_uiom_free_dev_list(struct device **devs);
struct usnic_uiom_reg *usnic_uiom_reg_get(struct usnic_uiom_pd *pd,
						unsigned long addr, size_t size,
						int access, int dmasync);
void usnic_uiom_reg_release(struct usnic_uiom_reg *uiomr);
#endif /* USNIC_UIOM_H_ */