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      1 /*
      2  * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved.
      3  * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved.
      4  *
      5  * This software is available to you under a choice of one of two
      6  * licenses.  You may choose to be licensed under the terms of the GNU
      7  * General Public License (GPL) Version 2, available from the file
      8  * COPYING in the main directory of this source tree, or the
      9  * OpenIB.org BSD license below:
     10  *
     11  *     Redistribution and use in source and binary forms, with or
     12  *     without modification, are permitted provided that the following
     13  *     conditions are met:
     14  *
     15  *      - Redistributions of source code must retain the above
     16  *        copyright notice, this list of conditions and the following
     17  *        disclaimer.
     18  *
     19  *      - Redistributions in binary form must reproduce the above
     20  *        copyright notice, this list of conditions and the following
     21  *        disclaimer in the documentation and/or other materials
     22  *        provided with the distribution.
     23  *
     24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
     28  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
     29  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     31  * SOFTWARE.
     32  */
     33 
     34 #ifndef MLX4_ABI_USER_H
     35 #define MLX4_ABI_USER_H
     36 
     37 #include <linux/types.h>
     38 
     39 /*
     40  * Increment this value if any changes that break userspace ABI
     41  * compatibility are made.
     42  */
     43 
     44 #define MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION	3
     45 #define MLX4_IB_UVERBS_ABI_VERSION		4
     46 
     47 /*
     48  * Make sure that all structs defined in this file remain laid out so
     49  * that they pack the same way on 32-bit and 64-bit architectures (to
     50  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
     51  * In particular do not use pointer types -- pass pointers in __u64
     52  * instead.
     53  */
     54 
     55 struct mlx4_ib_alloc_ucontext_resp_v3 {
     56 	__u32	qp_tab_size;
     57 	__u16	bf_reg_size;
     58 	__u16	bf_regs_per_page;
     59 };
     60 
     61 struct mlx4_ib_alloc_ucontext_resp {
     62 	__u32	dev_caps;
     63 	__u32	qp_tab_size;
     64 	__u16	bf_reg_size;
     65 	__u16	bf_regs_per_page;
     66 	__u32	cqe_size;
     67 };
     68 
     69 struct mlx4_ib_alloc_pd_resp {
     70 	__u32	pdn;
     71 	__u32	reserved;
     72 };
     73 
     74 struct mlx4_ib_create_cq {
     75 	__u64	buf_addr;
     76 	__u64	db_addr;
     77 };
     78 
     79 struct mlx4_ib_create_cq_resp {
     80 	__u32	cqn;
     81 	__u32	reserved;
     82 };
     83 
     84 struct mlx4_ib_resize_cq {
     85 	__u64	buf_addr;
     86 };
     87 
     88 struct mlx4_ib_create_srq {
     89 	__u64	buf_addr;
     90 	__u64	db_addr;
     91 };
     92 
     93 struct mlx4_ib_create_srq_resp {
     94 	__u32	srqn;
     95 	__u32	reserved;
     96 };
     97 
     98 struct mlx4_ib_create_qp {
     99 	__u64	buf_addr;
    100 	__u64	db_addr;
    101 	__u8	log_sq_bb_count;
    102 	__u8	log_sq_stride;
    103 	__u8	sq_no_prefetch;
    104 	__u8	reserved[5];
    105 };
    106 
    107 #endif /* MLX4_ABI_USER_H */
    108