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Diffstat (limited to '')
| -rw-r--r-- | include/uapi/rdma/cxgb4-abi.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/include/uapi/rdma/cxgb4-abi.h b/include/uapi/rdma/cxgb4-abi.h new file mode 100644 index 000000000..f85ec1a3f --- /dev/null +++ b/include/uapi/rdma/cxgb4-abi.h @@ -0,0 +1,115 @@ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ +/* + * 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 */ |