1 /* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB */
2 /*
3  * Copyright (c) 2006 - 2021 Intel Corporation.  All rights reserved.
4  * Copyright (c) 2005 Topspin Communications.  All rights reserved.
5  * Copyright (c) 2005 Cisco Systems.  All rights reserved.
6  * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
7  */
8 
9 #ifndef IRDMA_ABI_H
10 #define IRDMA_ABI_H
11 
12 #include <linux/types.h>
13 
14 /* irdma must support legacy GEN_1 i40iw kernel
15  * and user-space whose last ABI ver is 5
16  */
17 #define IRDMA_ABI_VER 5
18 
19 enum irdma_memreg_type {
20 	IRDMA_MEMREG_TYPE_MEM  = 0,
21 	IRDMA_MEMREG_TYPE_QP   = 1,
22 	IRDMA_MEMREG_TYPE_CQ   = 2,
23 };
24 
25 struct irdma_alloc_ucontext_req {
26 	__u32 rsvd32;
27 	__u8 userspace_ver;
28 	__u8 rsvd8[3];
29 };
30 
31 struct irdma_alloc_ucontext_resp {
32 	__u32 max_pds;
33 	__u32 max_qps;
34 	__u32 wq_size; /* size of the WQs (SQ+RQ) in the mmaped area */
35 	__u8 kernel_ver;
36 	__u8 rsvd[3];
37 	__aligned_u64 feature_flags;
38 	__aligned_u64 db_mmap_key;
39 	__u32 max_hw_wq_frags;
40 	__u32 max_hw_read_sges;
41 	__u32 max_hw_inline;
42 	__u32 max_hw_rq_quanta;
43 	__u32 max_hw_wq_quanta;
44 	__u32 min_hw_cq_size;
45 	__u32 max_hw_cq_size;
46 	__u16 max_hw_sq_chunk;
47 	__u8 hw_rev;
48 	__u8 rsvd2;
49 };
50 
51 struct irdma_alloc_pd_resp {
52 	__u32 pd_id;
53 	__u8 rsvd[4];
54 };
55 
56 struct irdma_resize_cq_req {
57 	__aligned_u64 user_cq_buffer;
58 };
59 
60 struct irdma_create_cq_req {
61 	__aligned_u64 user_cq_buf;
62 	__aligned_u64 user_shadow_area;
63 };
64 
65 struct irdma_create_qp_req {
66 	__aligned_u64 user_wqe_bufs;
67 	__aligned_u64 user_compl_ctx;
68 };
69 
70 struct irdma_mem_reg_req {
71 	__u16 reg_type; /* enum irdma_memreg_type */
72 	__u16 cq_pages;
73 	__u16 rq_pages;
74 	__u16 sq_pages;
75 };
76 
77 struct irdma_modify_qp_req {
78 	__u8 sq_flush;
79 	__u8 rq_flush;
80 	__u8 rsvd[6];
81 };
82 
83 struct irdma_create_cq_resp {
84 	__u32 cq_id;
85 	__u32 cq_size;
86 };
87 
88 struct irdma_create_qp_resp {
89 	__u32 qp_id;
90 	__u32 actual_sq_size;
91 	__u32 actual_rq_size;
92 	__u32 irdma_drv_opt;
93 	__u16 push_idx;
94 	__u8 lsmm;
95 	__u8 rsvd;
96 	__u32 qp_caps;
97 };
98 
99 struct irdma_modify_qp_resp {
100 	__aligned_u64 push_wqe_mmap_key;
101 	__aligned_u64 push_db_mmap_key;
102 	__u16 push_offset;
103 	__u8 push_valid;
104 	__u8 rsvd[5];
105 };
106 
107 struct irdma_create_ah_resp {
108 	__u32 ah_id;
109 	__u8 rsvd[4];
110 };
111 #endif /* IRDMA_ABI_H */
112