iwch_user.h

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/*
 * 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.
 */
#ifndef __IWCH_USER_H__
#define __IWCH_USER_H__

#define IWCH_UVERBS_ABI_VERSION 1

/*
 * Make sure that all structs defined in this file remain laid out so
 * that they pack the same way on 32-bit and 64-bit architectures (to
 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
 * In particular do not use pointer types -- pass pointers in __u64
 * instead.
 */
struct iwch_create_cq_req {
    __u64 user_rptr_addr;
};

struct iwch_create_cq_resp_v0 {
    __u64 key;
    __u32 cqid;
    __u32 size_log2;
};

struct iwch_create_cq_resp {
    __u64 key;
    __u32 cqid;
    __u32 size_log2;
    __u32 memsize;
    __u32 reserved;
};

struct iwch_create_qp_resp {
    __u64 key;
    __u64 db_key;
    __u32 qpid;
    __u32 size_log2;
    __u32 sq_size_log2;
    __u32 rq_size_log2;
};

struct iwch_reg_user_mr_resp {
    __u32 pbl_addr;
};
#endif