summaryrefslogtreecommitdiff
path: root/include/uapi/rdma/irdma-abi.h
blob: a7085e092d34873f8745724058a82436d83ab6fc (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
/* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB */
/*
 * Copyright (c) 2006 - 2021 Intel Corporation.  All rights reserved.
 * Copyright (c) 2005 Topspin Communications.  All rights reserved.
 * Copyright (c) 2005 Cisco Systems.  All rights reserved.
 * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
 */

#ifndef IRDMA_ABI_H
#define IRDMA_ABI_H

#include <linux/types.h>

/* irdma must support legacy GEN_1 i40iw kernel
 * and user-space whose last ABI ver is 5
 */
#define IRDMA_ABI_VER 5

enum irdma_memreg_type {
	IRDMA_MEMREG_TYPE_MEM  = 0,
	IRDMA_MEMREG_TYPE_QP   = 1,
	IRDMA_MEMREG_TYPE_CQ   = 2,
};

struct irdma_alloc_ucontext_req {
	__u32 rsvd32;
	__u8 userspace_ver;
	__u8 rsvd8[3];
};

struct irdma_alloc_ucontext_resp {
	__u32 max_pds;
	__u32 max_qps;
	__u32 wq_size; /* size of the WQs (SQ+RQ) in the mmaped area */
	__u8 kernel_ver;
	__u8 rsvd[3];
	__aligned_u64 feature_flags;
	__aligned_u64 db_mmap_key;
	__u32 max_hw_wq_frags;
	__u32 max_hw_read_sges;
	__u32 max_hw_inline;
	__u32 max_hw_rq_quanta;
	__u32 max_hw_wq_quanta;
	__u32 min_hw_cq_size;
	__u32 max_hw_cq_size;
	__u16 max_hw_sq_chunk;
	__u8 hw_rev;
	__u8 rsvd2;
};

struct irdma_alloc_pd_resp {
	__u32 pd_id;
	__u8 rsvd[4];
};

struct irdma_resize_cq_req {
	__aligned_u64 user_cq_buffer;
};

struct irdma_create_cq_req {
	__aligned_u64 user_cq_buf;
	__aligned_u64 user_shadow_area;
};

struct irdma_create_qp_req {
	__aligned_u64 user_wqe_bufs;
	__aligned_u64 user_compl_ctx;
};

struct irdma_mem_reg_req {
	__u16 reg_type; /* enum irdma_memreg_type */
	__u16 cq_pages;
	__u16 rq_pages;
	__u16 sq_pages;
};

struct irdma_modify_qp_req {
	__u8 sq_flush;
	__u8 rq_flush;
	__u8 rsvd[6];
};

struct irdma_create_cq_resp {
	__u32 cq_id;
	__u32 cq_size;
};

struct irdma_create_qp_resp {
	__u32 qp_id;
	__u32 actual_sq_size;
	__u32 actual_rq_size;
	__u32 irdma_drv_opt;
	__u16 push_idx;
	__u8 lsmm;
	__u8 rsvd;
	__u32 qp_caps;
};

struct irdma_modify_qp_resp {
	__aligned_u64 push_wqe_mmap_key;
	__aligned_u64 push_db_mmap_key;
	__u16 push_offset;
	__u8 push_valid;
	__u8 rsvd[5];
};

struct irdma_create_ah_resp {
	__u32 ah_id;
	__u8 rsvd[4];
};
#endif /* IRDMA_ABI_H */