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1// SPDX-License-Identifier: GPL-2.0-only
2/******************************************************************************
3*******************************************************************************
4**
5** Copyright (C) 2005-2008 Red Hat, Inc. All rights reserved.
6**
7**
8*******************************************************************************
9******************************************************************************/
10
11#include "dlm_internal.h"
12#include "rcom.h"
13#include "util.h"
14
15#define DLM_ERRNO_EDEADLK 35
16#define DLM_ERRNO_EBADR 53
17#define DLM_ERRNO_EBADSLT 57
18#define DLM_ERRNO_EPROTO 71
19#define DLM_ERRNO_EOPNOTSUPP 95
20#define DLM_ERRNO_ETIMEDOUT 110
21#define DLM_ERRNO_EINPROGRESS 115
22
23static void header_out(struct dlm_header *hd)
24{
25 hd->h_version = cpu_to_le32(hd->h_version);
26 hd->h_lockspace = cpu_to_le32(hd->h_lockspace);
27 hd->h_nodeid = cpu_to_le32(hd->h_nodeid);
28 hd->h_length = cpu_to_le16(hd->h_length);
29}
30
31static void header_in(struct dlm_header *hd)
32{
33 hd->h_version = le32_to_cpu(hd->h_version);
34 hd->h_lockspace = le32_to_cpu(hd->h_lockspace);
35 hd->h_nodeid = le32_to_cpu(hd->h_nodeid);
36 hd->h_length = le16_to_cpu(hd->h_length);
37}
38
39/* higher errno values are inconsistent across architectures, so select
40 one set of values for on the wire */
41
42static int to_dlm_errno(int err)
43{
44 switch (err) {
45 case -EDEADLK:
46 return -DLM_ERRNO_EDEADLK;
47 case -EBADR:
48 return -DLM_ERRNO_EBADR;
49 case -EBADSLT:
50 return -DLM_ERRNO_EBADSLT;
51 case -EPROTO:
52 return -DLM_ERRNO_EPROTO;
53 case -EOPNOTSUPP:
54 return -DLM_ERRNO_EOPNOTSUPP;
55 case -ETIMEDOUT:
56 return -DLM_ERRNO_ETIMEDOUT;
57 case -EINPROGRESS:
58 return -DLM_ERRNO_EINPROGRESS;
59 }
60 return err;
61}
62
63static int from_dlm_errno(int err)
64{
65 switch (err) {
66 case -DLM_ERRNO_EDEADLK:
67 return -EDEADLK;
68 case -DLM_ERRNO_EBADR:
69 return -EBADR;
70 case -DLM_ERRNO_EBADSLT:
71 return -EBADSLT;
72 case -DLM_ERRNO_EPROTO:
73 return -EPROTO;
74 case -DLM_ERRNO_EOPNOTSUPP:
75 return -EOPNOTSUPP;
76 case -DLM_ERRNO_ETIMEDOUT:
77 return -ETIMEDOUT;
78 case -DLM_ERRNO_EINPROGRESS:
79 return -EINPROGRESS;
80 }
81 return err;
82}
83
84void dlm_message_out(struct dlm_message *ms)
85{
86 header_out(&ms->m_header);
87
88 ms->m_type = cpu_to_le32(ms->m_type);
89 ms->m_nodeid = cpu_to_le32(ms->m_nodeid);
90 ms->m_pid = cpu_to_le32(ms->m_pid);
91 ms->m_lkid = cpu_to_le32(ms->m_lkid);
92 ms->m_remid = cpu_to_le32(ms->m_remid);
93 ms->m_parent_lkid = cpu_to_le32(ms->m_parent_lkid);
94 ms->m_parent_remid = cpu_to_le32(ms->m_parent_remid);
95 ms->m_exflags = cpu_to_le32(ms->m_exflags);
96 ms->m_sbflags = cpu_to_le32(ms->m_sbflags);
97 ms->m_flags = cpu_to_le32(ms->m_flags);
98 ms->m_lvbseq = cpu_to_le32(ms->m_lvbseq);
99 ms->m_hash = cpu_to_le32(ms->m_hash);
100 ms->m_status = cpu_to_le32(ms->m_status);
101 ms->m_grmode = cpu_to_le32(ms->m_grmode);
102 ms->m_rqmode = cpu_to_le32(ms->m_rqmode);
103 ms->m_bastmode = cpu_to_le32(ms->m_bastmode);
104 ms->m_asts = cpu_to_le32(ms->m_asts);
105 ms->m_result = cpu_to_le32(to_dlm_errno(ms->m_result));
106}
107
108void dlm_message_in(struct dlm_message *ms)
109{
110 header_in(&ms->m_header);
111
112 ms->m_type = le32_to_cpu(ms->m_type);
113 ms->m_nodeid = le32_to_cpu(ms->m_nodeid);
114 ms->m_pid = le32_to_cpu(ms->m_pid);
115 ms->m_lkid = le32_to_cpu(ms->m_lkid);
116 ms->m_remid = le32_to_cpu(ms->m_remid);
117 ms->m_parent_lkid = le32_to_cpu(ms->m_parent_lkid);
118 ms->m_parent_remid = le32_to_cpu(ms->m_parent_remid);
119 ms->m_exflags = le32_to_cpu(ms->m_exflags);
120 ms->m_sbflags = le32_to_cpu(ms->m_sbflags);
121 ms->m_flags = le32_to_cpu(ms->m_flags);
122 ms->m_lvbseq = le32_to_cpu(ms->m_lvbseq);
123 ms->m_hash = le32_to_cpu(ms->m_hash);
124 ms->m_status = le32_to_cpu(ms->m_status);
125 ms->m_grmode = le32_to_cpu(ms->m_grmode);
126 ms->m_rqmode = le32_to_cpu(ms->m_rqmode);
127 ms->m_bastmode = le32_to_cpu(ms->m_bastmode);
128 ms->m_asts = le32_to_cpu(ms->m_asts);
129 ms->m_result = from_dlm_errno(le32_to_cpu(ms->m_result));
130}
131
132void dlm_rcom_out(struct dlm_rcom *rc)
133{
134 header_out(&rc->rc_header);
135
136 rc->rc_type = cpu_to_le32(rc->rc_type);
137 rc->rc_result = cpu_to_le32(rc->rc_result);
138 rc->rc_id = cpu_to_le64(rc->rc_id);
139 rc->rc_seq = cpu_to_le64(rc->rc_seq);
140 rc->rc_seq_reply = cpu_to_le64(rc->rc_seq_reply);
141}
142
143void dlm_rcom_in(struct dlm_rcom *rc)
144{
145 header_in(&rc->rc_header);
146
147 rc->rc_type = le32_to_cpu(rc->rc_type);
148 rc->rc_result = le32_to_cpu(rc->rc_result);
149 rc->rc_id = le64_to_cpu(rc->rc_id);
150 rc->rc_seq = le64_to_cpu(rc->rc_seq);
151 rc->rc_seq_reply = le64_to_cpu(rc->rc_seq_reply);
152}
1// SPDX-License-Identifier: GPL-2.0-only
2/******************************************************************************
3*******************************************************************************
4**
5** Copyright (C) 2005-2008 Red Hat, Inc. All rights reserved.
6**
7**
8*******************************************************************************
9******************************************************************************/
10
11#include "dlm_internal.h"
12#include "rcom.h"
13#include "util.h"
14
15#define DLM_ERRNO_EDEADLK 35
16#define DLM_ERRNO_EBADR 53
17#define DLM_ERRNO_EBADSLT 57
18#define DLM_ERRNO_EPROTO 71
19#define DLM_ERRNO_EOPNOTSUPP 95
20#define DLM_ERRNO_ETIMEDOUT 110
21#define DLM_ERRNO_EINPROGRESS 115
22
23/* higher errno values are inconsistent across architectures, so select
24 one set of values for on the wire */
25
26int to_dlm_errno(int err)
27{
28 switch (err) {
29 case -EDEADLK:
30 return -DLM_ERRNO_EDEADLK;
31 case -EBADR:
32 return -DLM_ERRNO_EBADR;
33 case -EBADSLT:
34 return -DLM_ERRNO_EBADSLT;
35 case -EPROTO:
36 return -DLM_ERRNO_EPROTO;
37 case -EOPNOTSUPP:
38 return -DLM_ERRNO_EOPNOTSUPP;
39 case -ETIMEDOUT:
40 return -DLM_ERRNO_ETIMEDOUT;
41 case -EINPROGRESS:
42 return -DLM_ERRNO_EINPROGRESS;
43 }
44 return err;
45}
46
47int from_dlm_errno(int err)
48{
49 switch (err) {
50 case -DLM_ERRNO_EDEADLK:
51 return -EDEADLK;
52 case -DLM_ERRNO_EBADR:
53 return -EBADR;
54 case -DLM_ERRNO_EBADSLT:
55 return -EBADSLT;
56 case -DLM_ERRNO_EPROTO:
57 return -EPROTO;
58 case -DLM_ERRNO_EOPNOTSUPP:
59 return -EOPNOTSUPP;
60 case -DLM_ERRNO_ETIMEDOUT:
61 return -ETIMEDOUT;
62 case -DLM_ERRNO_EINPROGRESS:
63 return -EINPROGRESS;
64 }
65 return err;
66}