uapi/rdma/irdma-abi.h

0001 /* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB */
0002 /*
0003  * Copyright (c) 2006 - 2021 Intel Corporation.  All rights reserved.
0004  * Copyright (c) 2005 Topspin Communications.  All rights reserved.
0005  * Copyright (c) 2005 Cisco Systems.  All rights reserved.
0006  * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
0007  */
0008
0009 #ifndef IRDMA_ABI_H
0010 #define IRDMA_ABI_H
0011
0012 #include <linux/types.h>
0013
0014 /* irdma must support legacy GEN_1 i40iw kernel
0015  * and user-space whose last ABI ver is 5
0016  */
0017 #define IRDMA_ABI_VER 5
0018
0019 enum irdma_memreg_type {
0020     IRDMA_MEMREG_TYPE_MEM  = 0,
0021     IRDMA_MEMREG_TYPE_QP   = 1,
0022     IRDMA_MEMREG_TYPE_CQ   = 2,
0023 };
0024
0025 struct irdma_alloc_ucontext_req {
0026     __u32 rsvd32;
0027     __u8 userspace_ver;
0028     __u8 rsvd8[3];
0029 };
0030
0031 struct irdma_alloc_ucontext_resp {
0032     __u32 max_pds;
0033     __u32 max_qps;
0034     __u32 wq_size; /* size of the WQs (SQ+RQ) in the mmaped area */
0035     __u8 kernel_ver;
0036     __u8 rsvd[3];
0037     __aligned_u64 feature_flags;
0038     __aligned_u64 db_mmap_key;
0039     __u32 max_hw_wq_frags;
0040     __u32 max_hw_read_sges;
0041     __u32 max_hw_inline;
0042     __u32 max_hw_rq_quanta;
0043     __u32 max_hw_wq_quanta;
0044     __u32 min_hw_cq_size;
0045     __u32 max_hw_cq_size;
0046     __u16 max_hw_sq_chunk;
0047     __u8 hw_rev;
0048     __u8 rsvd2;
0049 };
0050
0051 struct irdma_alloc_pd_resp {
0052     __u32 pd_id;
0053     __u8 rsvd[4];
0054 };
0055
0056 struct irdma_resize_cq_req {
0057     __aligned_u64 user_cq_buffer;
0058 };
0059
0060 struct irdma_create_cq_req {
0061     __aligned_u64 user_cq_buf;
0062     __aligned_u64 user_shadow_area;
0063 };
0064
0065 struct irdma_create_qp_req {
0066     __aligned_u64 user_wqe_bufs;
0067     __aligned_u64 user_compl_ctx;
0068 };
0069
0070 struct irdma_mem_reg_req {
0071     __u16 reg_type; /* enum irdma_memreg_type */
0072     __u16 cq_pages;
0073     __u16 rq_pages;
0074     __u16 sq_pages;
0075 };
0076
0077 struct irdma_modify_qp_req {
0078     __u8 sq_flush;
0079     __u8 rq_flush;
0080     __u8 rsvd[6];
0081 };
0082
0083 struct irdma_create_cq_resp {
0084     __u32 cq_id;
0085     __u32 cq_size;
0086 };
0087
0088 struct irdma_create_qp_resp {
0089     __u32 qp_id;
0090     __u32 actual_sq_size;
0091     __u32 actual_rq_size;
0092     __u32 irdma_drv_opt;
0093     __u16 push_idx;
0094     __u8 lsmm;
0095     __u8 rsvd;
0096     __u32 qp_caps;
0097 };
0098
0099 struct irdma_modify_qp_resp {
0100     __aligned_u64 push_wqe_mmap_key;
0101     __aligned_u64 push_db_mmap_key;
0102     __u16 push_offset;
0103     __u8 push_valid;
0104     __u8 rsvd[5];
0105 };
0106
0107 struct irdma_create_ah_resp {
0108     __u32 ah_id;
0109     __u8 rsvd[4];
0110 };
0111 #endif /* IRDMA_ABI_H */