From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- include/uapi/rdma/efa-abi.h | 135 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 135 insertions(+) create mode 100644 include/uapi/rdma/efa-abi.h (limited to 'include/uapi/rdma/efa-abi.h') diff --git a/include/uapi/rdma/efa-abi.h b/include/uapi/rdma/efa-abi.h new file mode 100644 index 000000000..163ac7955 --- /dev/null +++ b/include/uapi/rdma/efa-abi.h @@ -0,0 +1,135 @@ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ +/* + * Copyright 2018-2022 Amazon.com, Inc. or its affiliates. All rights reserved. + */ + +#ifndef EFA_ABI_USER_H +#define EFA_ABI_USER_H + +#include + +/* + * Increment this value if any changes that break userspace ABI + * compatibility are made. + */ +#define EFA_UVERBS_ABI_VERSION 1 + +/* + * Keep structs aligned to 8 bytes. + * Keep reserved fields as arrays of __u8 named reserved_XXX where XXX is the + * hex bit offset of the field. + */ + +enum { + EFA_ALLOC_UCONTEXT_CMD_COMP_TX_BATCH = 1 << 0, + EFA_ALLOC_UCONTEXT_CMD_COMP_MIN_SQ_WR = 1 << 1, +}; + +struct efa_ibv_alloc_ucontext_cmd { + __u32 comp_mask; + __u8 reserved_20[4]; +}; + +enum efa_ibv_user_cmds_supp_udata { + EFA_USER_CMDS_SUPP_UDATA_QUERY_DEVICE = 1 << 0, + EFA_USER_CMDS_SUPP_UDATA_CREATE_AH = 1 << 1, +}; + +struct efa_ibv_alloc_ucontext_resp { + __u32 comp_mask; + __u32 cmds_supp_udata_mask; + __u16 sub_cqs_per_cq; + __u16 inline_buf_size; + __u32 max_llq_size; /* bytes */ + __u16 max_tx_batch; /* units of 64 bytes */ + __u16 min_sq_wr; + __u8 reserved_a0[4]; +}; + +struct efa_ibv_alloc_pd_resp { + __u32 comp_mask; + __u16 pdn; + __u8 reserved_30[2]; +}; + +enum { + EFA_CREATE_CQ_WITH_COMPLETION_CHANNEL = 1 << 0, + EFA_CREATE_CQ_WITH_SGID = 1 << 1, +}; + +struct efa_ibv_create_cq { + __u32 comp_mask; + __u32 cq_entry_size; + __u16 num_sub_cqs; + __u8 flags; + __u8 reserved_58[5]; +}; + +enum { + EFA_CREATE_CQ_RESP_DB_OFF = 1 << 0, +}; + +struct efa_ibv_create_cq_resp { + __u32 comp_mask; + __u8 reserved_20[4]; + __aligned_u64 q_mmap_key; + __aligned_u64 q_mmap_size; + __u16 cq_idx; + __u8 reserved_d0[2]; + __u32 db_off; + __aligned_u64 db_mmap_key; +}; + +enum { + EFA_QP_DRIVER_TYPE_SRD = 0, +}; + +struct efa_ibv_create_qp { + __u32 comp_mask; + __u32 rq_ring_size; /* bytes */ + __u32 sq_ring_size; /* bytes */ + __u32 driver_qp_type; +}; + +struct efa_ibv_create_qp_resp { + __u32 comp_mask; + /* the offset inside the page of the rq db */ + __u32 rq_db_offset; + /* the offset inside the page of the sq db */ + __u32 sq_db_offset; + /* the offset inside the page of descriptors buffer */ + __u32 llq_desc_offset; + __aligned_u64 rq_mmap_key; + __aligned_u64 rq_mmap_size; + __aligned_u64 rq_db_mmap_key; + __aligned_u64 sq_db_mmap_key; + __aligned_u64 llq_desc_mmap_key; + __u16 send_sub_cq_idx; + __u16 recv_sub_cq_idx; + __u8 reserved_1e0[4]; +}; + +struct efa_ibv_create_ah_resp { + __u32 comp_mask; + __u16 efa_address_handle; + __u8 reserved_30[2]; +}; + +enum { + EFA_QUERY_DEVICE_CAPS_RDMA_READ = 1 << 0, + EFA_QUERY_DEVICE_CAPS_RNR_RETRY = 1 << 1, + EFA_QUERY_DEVICE_CAPS_CQ_NOTIFICATIONS = 1 << 2, + EFA_QUERY_DEVICE_CAPS_CQ_WITH_SGID = 1 << 3, +}; + +struct efa_ibv_ex_query_device_resp { + __u32 comp_mask; + __u32 max_sq_wr; + __u32 max_rq_wr; + __u16 max_sq_sge; + __u16 max_rq_sge; + __u32 max_rdma_size; + __u32 device_caps; +}; + +#endif /* EFA_ABI_USER_H */ -- cgit v1.2.3