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0c5e259b06
The user usually configures the number of sge through the max_send_sge parameter when creating qp, and configures the maximum size of inline data that can be sent through max_inline_data. Inline uses sge to fill data to send. Expect the following: 1) When the sge space cannot hold inline data, the sge space needs to be expanded to accommodate all inline data 2) When the sge space is enough to accommodate inline data, the upper limit of inline data can be increased so that users can send larger inline data Currently case one is not implemented. When the inline data is larger than the sge space, an error of insufficient sge space occurs. This part of the code needs to be reimplemented according to the expected rules. The calculation method of sge num is modified to take the maximum value of max_send_sge and the sge for max_inline_data to solve this problem. Fixes:05201e01be("RDMA/hns: Refactor process of setting extended sge") Fixes:30b707886a("RDMA/hns: Support inline data in extented sge space for RC") Link: https://lore.kernel.org/r/20221108133847.2304539-3-xuhaoyue1@hisilicon.com Signed-off-by: Luoyouming <luoyouming@huawei.com> Signed-off-by: Haoyue Xu <xuhaoyue1@hisilicon.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
114 lines
2.9 KiB
C
114 lines
2.9 KiB
C
/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
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/*
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* Copyright (c) 2016 Hisilicon Limited.
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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 HNS_ABI_USER_H
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#define HNS_ABI_USER_H
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#include <linux/types.h>
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struct hns_roce_ib_create_cq {
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__aligned_u64 buf_addr;
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__aligned_u64 db_addr;
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__u32 cqe_size;
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__u32 reserved;
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};
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enum hns_roce_cq_cap_flags {
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HNS_ROCE_CQ_FLAG_RECORD_DB = 1 << 0,
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};
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struct hns_roce_ib_create_cq_resp {
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__aligned_u64 cqn; /* Only 32 bits used, 64 for compat */
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__aligned_u64 cap_flags;
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};
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struct hns_roce_ib_create_srq {
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__aligned_u64 buf_addr;
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__aligned_u64 db_addr;
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__aligned_u64 que_addr;
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};
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struct hns_roce_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 hns_roce_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[5];
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__aligned_u64 sdb_addr;
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};
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enum hns_roce_qp_cap_flags {
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HNS_ROCE_QP_CAP_RQ_RECORD_DB = 1 << 0,
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HNS_ROCE_QP_CAP_SQ_RECORD_DB = 1 << 1,
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HNS_ROCE_QP_CAP_OWNER_DB = 1 << 2,
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HNS_ROCE_QP_CAP_DIRECT_WQE = 1 << 5,
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};
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struct hns_roce_ib_create_qp_resp {
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__aligned_u64 cap_flags;
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__aligned_u64 dwqe_mmap_key;
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};
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enum {
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HNS_ROCE_EXSGE_FLAGS = 1 << 0,
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};
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enum {
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HNS_ROCE_RSP_EXSGE_FLAGS = 1 << 0,
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};
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struct hns_roce_ib_alloc_ucontext_resp {
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__u32 qp_tab_size;
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__u32 cqe_size;
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__u32 srq_tab_size;
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__u32 reserved;
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__u32 config;
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__u32 max_inline_data;
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};
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struct hns_roce_ib_alloc_ucontext {
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__u32 config;
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__u32 reserved;
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};
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struct hns_roce_ib_alloc_pd_resp {
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__u32 pdn;
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};
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#endif /* HNS_ABI_USER_H */
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