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191 lines
5.0 KiB
191 lines
5.0 KiB
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ |
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/* |
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* Copyright (c) 2007 Cisco Systems, Inc. All rights reserved. |
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* Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved. |
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* |
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* This software is available to you under a choice of one of two |
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* licenses. You may choose to be licensed under the terms of the GNU |
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* General Public License (GPL) Version 2, available from the file |
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* COPYING in the main directory of this source tree, or the |
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* OpenIB.org BSD license below: |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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#ifndef MLX4_ABI_USER_H |
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#define MLX4_ABI_USER_H |
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#include <linux/types.h> |
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/* |
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* Increment this value if any changes that break userspace ABI |
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* compatibility are made. |
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*/ |
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#define MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION 3 |
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#define MLX4_IB_UVERBS_ABI_VERSION 4 |
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/* |
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* Make sure that all structs defined in this file remain laid out so |
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* that they pack the same way on 32-bit and 64-bit architectures (to |
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* avoid incompatibility between 32-bit userspace and 64-bit kernels). |
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* In particular do not use pointer types -- pass pointers in __u64 |
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* instead. |
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*/ |
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struct mlx4_ib_alloc_ucontext_resp_v3 { |
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__u32 qp_tab_size; |
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__u16 bf_reg_size; |
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__u16 bf_regs_per_page; |
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}; |
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enum { |
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MLX4_USER_DEV_CAP_LARGE_CQE = 1L << 0, |
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}; |
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struct mlx4_ib_alloc_ucontext_resp { |
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__u32 dev_caps; |
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__u32 qp_tab_size; |
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__u16 bf_reg_size; |
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__u16 bf_regs_per_page; |
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__u32 cqe_size; |
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}; |
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struct mlx4_ib_alloc_pd_resp { |
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__u32 pdn; |
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__u32 reserved; |
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}; |
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struct mlx4_ib_create_cq { |
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__aligned_u64 buf_addr; |
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__aligned_u64 db_addr; |
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}; |
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struct mlx4_ib_create_cq_resp { |
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__u32 cqn; |
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__u32 reserved; |
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}; |
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struct mlx4_ib_resize_cq { |
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__aligned_u64 buf_addr; |
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}; |
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struct mlx4_ib_create_srq { |
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__aligned_u64 buf_addr; |
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__aligned_u64 db_addr; |
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}; |
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struct mlx4_ib_create_srq_resp { |
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__u32 srqn; |
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__u32 reserved; |
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}; |
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struct mlx4_ib_create_qp_rss { |
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__aligned_u64 rx_hash_fields_mask; /* Use enum mlx4_ib_rx_hash_fields */ |
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__u8 rx_hash_function; /* Use enum mlx4_ib_rx_hash_function_flags */ |
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__u8 reserved[7]; |
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__u8 rx_hash_key[40]; |
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__u32 comp_mask; |
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__u32 reserved1; |
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}; |
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struct mlx4_ib_create_qp { |
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__aligned_u64 buf_addr; |
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__aligned_u64 db_addr; |
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__u8 log_sq_bb_count; |
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__u8 log_sq_stride; |
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__u8 sq_no_prefetch; |
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__u8 reserved; |
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__u32 inl_recv_sz; |
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}; |
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struct mlx4_ib_create_wq { |
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__aligned_u64 buf_addr; |
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__aligned_u64 db_addr; |
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__u8 log_range_size; |
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__u8 reserved[3]; |
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__u32 comp_mask; |
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}; |
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struct mlx4_ib_modify_wq { |
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__u32 comp_mask; |
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__u32 reserved; |
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}; |
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struct mlx4_ib_create_rwq_ind_tbl_resp { |
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__u32 response_length; |
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__u32 reserved; |
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}; |
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/* RX Hash function flags */ |
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enum mlx4_ib_rx_hash_function_flags { |
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MLX4_IB_RX_HASH_FUNC_TOEPLITZ = 1 << 0, |
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}; |
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/* |
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* RX Hash flags, these flags allows to set which incoming packet's field should |
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* participates in RX Hash. Each flag represent certain packet's field, |
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* when the flag is set the field that is represented by the flag will |
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* participate in RX Hash calculation. |
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*/ |
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enum mlx4_ib_rx_hash_fields { |
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MLX4_IB_RX_HASH_SRC_IPV4 = 1 << 0, |
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MLX4_IB_RX_HASH_DST_IPV4 = 1 << 1, |
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MLX4_IB_RX_HASH_SRC_IPV6 = 1 << 2, |
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MLX4_IB_RX_HASH_DST_IPV6 = 1 << 3, |
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MLX4_IB_RX_HASH_SRC_PORT_TCP = 1 << 4, |
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MLX4_IB_RX_HASH_DST_PORT_TCP = 1 << 5, |
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MLX4_IB_RX_HASH_SRC_PORT_UDP = 1 << 6, |
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MLX4_IB_RX_HASH_DST_PORT_UDP = 1 << 7, |
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MLX4_IB_RX_HASH_INNER = 1ULL << 31, |
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}; |
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struct mlx4_ib_rss_caps { |
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__aligned_u64 rx_hash_fields_mask; /* enum mlx4_ib_rx_hash_fields */ |
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__u8 rx_hash_function; /* enum mlx4_ib_rx_hash_function_flags */ |
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__u8 reserved[7]; |
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}; |
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enum query_device_resp_mask { |
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MLX4_IB_QUERY_DEV_RESP_MASK_CORE_CLOCK_OFFSET = 1UL << 0, |
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}; |
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struct mlx4_ib_tso_caps { |
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__u32 max_tso; /* Maximum tso payload size in bytes */ |
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/* Corresponding bit will be set if qp type from |
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* 'enum ib_qp_type' is supported. |
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*/ |
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__u32 supported_qpts; |
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}; |
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struct mlx4_uverbs_ex_query_device_resp { |
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__u32 comp_mask; |
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__u32 response_length; |
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__aligned_u64 hca_core_clock_offset; |
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__u32 max_inl_recv_sz; |
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__u32 reserved; |
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struct mlx4_ib_rss_caps rss_caps; |
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struct mlx4_ib_tso_caps tso_caps; |
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}; |
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#endif /* MLX4_ABI_USER_H */
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