Current File : //usr/src/kernels/3.10.0-1160.81.1.el7.centos.plus.x86_64/include/uapi/rdma/cxgb4-abi.h
/*
* Copyright (c) 2009-2010 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 CXGB4_ABI_USER_H
#define CXGB4_ABI_USER_H
#include <linux/types.h>
#define C4IW_UVERBS_ABI_VERSION 3
/*
* 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 __aligned_u64
* instead.
*/
enum {
C4IW_64B_CQE = (1 << 0)
};
struct c4iw_create_cq {
__u32 flags;
__u32 reserved;
};
struct c4iw_create_cq_resp {
__aligned_u64 key;
__aligned_u64 gts_key;
__aligned_u64 memsize;
__u32 cqid;
__u32 size;
__u32 qid_mask;
__u32 flags;
};
enum {
C4IW_QPF_ONCHIP = (1 << 0),
C4IW_QPF_WRITE_W_IMM = (1 << 1)
};
struct c4iw_create_qp_resp {
__aligned_u64 ma_sync_key;
__aligned_u64 sq_key;
__aligned_u64 rq_key;
__aligned_u64 sq_db_gts_key;
__aligned_u64 rq_db_gts_key;
__aligned_u64 sq_memsize;
__aligned_u64 rq_memsize;
__u32 sqid;
__u32 rqid;
__u32 sq_size;
__u32 rq_size;
__u32 qid_mask;
__u32 flags;
};
struct c4iw_create_srq_resp {
__aligned_u64 srq_key;
__aligned_u64 srq_db_gts_key;
__aligned_u64 srq_memsize;
__u32 srqid;
__u32 srq_size;
__u32 rqt_abs_idx;
__u32 qid_mask;
__u32 flags;
__u32 reserved; /* explicit padding */
};
enum {
/* HW supports SRQ_LIMIT_REACHED event */
T4_SRQ_LIMIT_SUPPORT = 1 << 0,
};
struct c4iw_alloc_ucontext_resp {
__aligned_u64 status_page_key;
__u32 status_page_size;
__u32 reserved; /* explicit padding (optional for i386) */
};
struct c4iw_alloc_pd_resp {
__u32 pdid;
};
#endif /* CXGB4_ABI_USER_H */
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