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174 lines
4.2 KiB
174 lines
4.2 KiB
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ |
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/* QLogic qedr NIC Driver |
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* Copyright (c) 2015-2016 QLogic Corporation |
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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 __QEDR_USER_H__ |
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#define __QEDR_USER_H__ |
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#include <linux/types.h> |
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#define QEDR_ABI_VERSION (8) |
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/* user kernel communication data structures. */ |
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enum qedr_alloc_ucontext_flags { |
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QEDR_ALLOC_UCTX_EDPM_MODE = 1 << 0, |
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QEDR_ALLOC_UCTX_DB_REC = 1 << 1, |
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QEDR_SUPPORT_DPM_SIZES = 1 << 2, |
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}; |
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struct qedr_alloc_ucontext_req { |
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__u32 context_flags; |
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__u32 reserved; |
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}; |
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#define QEDR_LDPM_MAX_SIZE (8192) |
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#define QEDR_EDPM_TRANS_SIZE (64) |
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#define QEDR_EDPM_MAX_SIZE (ROCE_REQ_MAX_INLINE_DATA_SIZE) |
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enum qedr_rdma_dpm_type { |
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QEDR_DPM_TYPE_NONE = 0, |
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QEDR_DPM_TYPE_ROCE_ENHANCED = 1 << 0, |
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QEDR_DPM_TYPE_ROCE_LEGACY = 1 << 1, |
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QEDR_DPM_TYPE_IWARP_LEGACY = 1 << 2, |
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QEDR_DPM_TYPE_ROCE_EDPM_MODE = 1 << 3, |
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QEDR_DPM_SIZES_SET = 1 << 4, |
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}; |
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struct qedr_alloc_ucontext_resp { |
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__aligned_u64 db_pa; |
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__u32 db_size; |
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__u32 max_send_wr; |
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__u32 max_recv_wr; |
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__u32 max_srq_wr; |
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__u32 sges_per_send_wr; |
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__u32 sges_per_recv_wr; |
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__u32 sges_per_srq_wr; |
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__u32 max_cqes; |
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__u8 dpm_flags; |
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__u8 wids_enabled; |
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__u16 wid_count; |
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__u16 ldpm_limit_size; |
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__u8 edpm_trans_size; |
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__u8 reserved; |
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__u16 edpm_limit_size; |
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__u8 padding[6]; |
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}; |
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struct qedr_alloc_pd_ureq { |
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__aligned_u64 rsvd1; |
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}; |
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struct qedr_alloc_pd_uresp { |
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__u32 pd_id; |
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__u32 reserved; |
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}; |
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struct qedr_create_cq_ureq { |
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__aligned_u64 addr; |
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__aligned_u64 len; |
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}; |
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struct qedr_create_cq_uresp { |
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__u32 db_offset; |
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__u16 icid; |
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__u16 reserved; |
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__aligned_u64 db_rec_addr; |
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}; |
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struct qedr_create_qp_ureq { |
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__u32 qp_handle_hi; |
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__u32 qp_handle_lo; |
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/* SQ */ |
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/* user space virtual address of SQ buffer */ |
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__aligned_u64 sq_addr; |
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/* length of SQ buffer */ |
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__aligned_u64 sq_len; |
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/* RQ */ |
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/* user space virtual address of RQ buffer */ |
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__aligned_u64 rq_addr; |
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/* length of RQ buffer */ |
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__aligned_u64 rq_len; |
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}; |
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struct qedr_create_qp_uresp { |
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__u32 qp_id; |
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__u32 atomic_supported; |
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/* SQ */ |
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__u32 sq_db_offset; |
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__u16 sq_icid; |
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/* RQ */ |
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__u32 rq_db_offset; |
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__u16 rq_icid; |
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__u32 rq_db2_offset; |
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__u32 reserved; |
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/* address of SQ doorbell recovery user entry */ |
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__aligned_u64 sq_db_rec_addr; |
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/* address of RQ doorbell recovery user entry */ |
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__aligned_u64 rq_db_rec_addr; |
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}; |
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struct qedr_create_srq_ureq { |
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/* user space virtual address of producer pair */ |
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__aligned_u64 prod_pair_addr; |
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/* user space virtual address of SRQ buffer */ |
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__aligned_u64 srq_addr; |
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/* length of SRQ buffer */ |
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__aligned_u64 srq_len; |
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}; |
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struct qedr_create_srq_uresp { |
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__u16 srq_id; |
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__u16 reserved0; |
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__u32 reserved1; |
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}; |
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/* doorbell recovery entry allocated and populated by userspace doorbelling |
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* entities and mapped to kernel. Kernel uses this to register doorbell |
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* information with doorbell drop recovery mechanism. |
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*/ |
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struct qedr_user_db_rec { |
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__aligned_u64 db_data; /* doorbell data */ |
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}; |
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#endif /* __QEDR_USER_H__ */
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