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e7fd4179 DT |
1 | /****************************************************************************** |
2 | ******************************************************************************* | |
3 | ** | |
4 | ** Copyright (C) 2005 Red Hat, Inc. All rights reserved. | |
5 | ** | |
6 | ** This copyrighted material is made available to anyone wishing to use, | |
7 | ** modify, copy, or redistribute it subject to the terms and conditions | |
8 | ** of the GNU General Public License v.2. | |
9 | ** | |
10 | ******************************************************************************* | |
11 | ******************************************************************************/ | |
12 | ||
13 | #include "dlm_internal.h" | |
14 | #include "rcom.h" | |
15 | #include "util.h" | |
16 | ||
17 | static void header_out(struct dlm_header *hd) | |
18 | { | |
19 | hd->h_version = cpu_to_le32(hd->h_version); | |
20 | hd->h_lockspace = cpu_to_le32(hd->h_lockspace); | |
21 | hd->h_nodeid = cpu_to_le32(hd->h_nodeid); | |
22 | hd->h_length = cpu_to_le16(hd->h_length); | |
23 | } | |
24 | ||
25 | static void header_in(struct dlm_header *hd) | |
26 | { | |
27 | hd->h_version = le32_to_cpu(hd->h_version); | |
28 | hd->h_lockspace = le32_to_cpu(hd->h_lockspace); | |
29 | hd->h_nodeid = le32_to_cpu(hd->h_nodeid); | |
30 | hd->h_length = le16_to_cpu(hd->h_length); | |
31 | } | |
32 | ||
33 | void dlm_message_out(struct dlm_message *ms) | |
34 | { | |
35 | struct dlm_header *hd = (struct dlm_header *) ms; | |
36 | ||
37 | header_out(hd); | |
38 | ||
39 | ms->m_type = cpu_to_le32(ms->m_type); | |
40 | ms->m_nodeid = cpu_to_le32(ms->m_nodeid); | |
41 | ms->m_pid = cpu_to_le32(ms->m_pid); | |
42 | ms->m_lkid = cpu_to_le32(ms->m_lkid); | |
43 | ms->m_remid = cpu_to_le32(ms->m_remid); | |
44 | ms->m_parent_lkid = cpu_to_le32(ms->m_parent_lkid); | |
45 | ms->m_parent_remid = cpu_to_le32(ms->m_parent_remid); | |
46 | ms->m_exflags = cpu_to_le32(ms->m_exflags); | |
47 | ms->m_sbflags = cpu_to_le32(ms->m_sbflags); | |
48 | ms->m_flags = cpu_to_le32(ms->m_flags); | |
49 | ms->m_lvbseq = cpu_to_le32(ms->m_lvbseq); | |
50 | ms->m_hash = cpu_to_le32(ms->m_hash); | |
51 | ms->m_status = cpu_to_le32(ms->m_status); | |
52 | ms->m_grmode = cpu_to_le32(ms->m_grmode); | |
53 | ms->m_rqmode = cpu_to_le32(ms->m_rqmode); | |
54 | ms->m_bastmode = cpu_to_le32(ms->m_bastmode); | |
55 | ms->m_asts = cpu_to_le32(ms->m_asts); | |
56 | ms->m_result = cpu_to_le32(ms->m_result); | |
e7fd4179 DT |
57 | } |
58 | ||
59 | void dlm_message_in(struct dlm_message *ms) | |
60 | { | |
61 | struct dlm_header *hd = (struct dlm_header *) ms; | |
62 | ||
63 | header_in(hd); | |
64 | ||
65 | ms->m_type = le32_to_cpu(ms->m_type); | |
66 | ms->m_nodeid = le32_to_cpu(ms->m_nodeid); | |
67 | ms->m_pid = le32_to_cpu(ms->m_pid); | |
68 | ms->m_lkid = le32_to_cpu(ms->m_lkid); | |
69 | ms->m_remid = le32_to_cpu(ms->m_remid); | |
70 | ms->m_parent_lkid = le32_to_cpu(ms->m_parent_lkid); | |
71 | ms->m_parent_remid = le32_to_cpu(ms->m_parent_remid); | |
72 | ms->m_exflags = le32_to_cpu(ms->m_exflags); | |
73 | ms->m_sbflags = le32_to_cpu(ms->m_sbflags); | |
74 | ms->m_flags = le32_to_cpu(ms->m_flags); | |
75 | ms->m_lvbseq = le32_to_cpu(ms->m_lvbseq); | |
76 | ms->m_hash = le32_to_cpu(ms->m_hash); | |
77 | ms->m_status = le32_to_cpu(ms->m_status); | |
78 | ms->m_grmode = le32_to_cpu(ms->m_grmode); | |
79 | ms->m_rqmode = le32_to_cpu(ms->m_rqmode); | |
80 | ms->m_bastmode = le32_to_cpu(ms->m_bastmode); | |
81 | ms->m_asts = le32_to_cpu(ms->m_asts); | |
82 | ms->m_result = le32_to_cpu(ms->m_result); | |
e7fd4179 DT |
83 | } |
84 | ||
85 | static void rcom_lock_out(struct rcom_lock *rl) | |
86 | { | |
87 | rl->rl_ownpid = cpu_to_le32(rl->rl_ownpid); | |
88 | rl->rl_lkid = cpu_to_le32(rl->rl_lkid); | |
89 | rl->rl_remid = cpu_to_le32(rl->rl_remid); | |
90 | rl->rl_parent_lkid = cpu_to_le32(rl->rl_parent_lkid); | |
91 | rl->rl_parent_remid = cpu_to_le32(rl->rl_parent_remid); | |
92 | rl->rl_exflags = cpu_to_le32(rl->rl_exflags); | |
93 | rl->rl_flags = cpu_to_le32(rl->rl_flags); | |
94 | rl->rl_lvbseq = cpu_to_le32(rl->rl_lvbseq); | |
95 | rl->rl_result = cpu_to_le32(rl->rl_result); | |
96 | rl->rl_wait_type = cpu_to_le16(rl->rl_wait_type); | |
97 | rl->rl_namelen = cpu_to_le16(rl->rl_namelen); | |
e7fd4179 DT |
98 | } |
99 | ||
100 | static void rcom_lock_in(struct rcom_lock *rl) | |
101 | { | |
102 | rl->rl_ownpid = le32_to_cpu(rl->rl_ownpid); | |
103 | rl->rl_lkid = le32_to_cpu(rl->rl_lkid); | |
104 | rl->rl_remid = le32_to_cpu(rl->rl_remid); | |
105 | rl->rl_parent_lkid = le32_to_cpu(rl->rl_parent_lkid); | |
106 | rl->rl_parent_remid = le32_to_cpu(rl->rl_parent_remid); | |
107 | rl->rl_exflags = le32_to_cpu(rl->rl_exflags); | |
108 | rl->rl_flags = le32_to_cpu(rl->rl_flags); | |
109 | rl->rl_lvbseq = le32_to_cpu(rl->rl_lvbseq); | |
110 | rl->rl_result = le32_to_cpu(rl->rl_result); | |
111 | rl->rl_wait_type = le16_to_cpu(rl->rl_wait_type); | |
112 | rl->rl_namelen = le16_to_cpu(rl->rl_namelen); | |
e7fd4179 DT |
113 | } |
114 | ||
115 | static void rcom_config_out(struct rcom_config *rf) | |
116 | { | |
117 | rf->rf_lvblen = cpu_to_le32(rf->rf_lvblen); | |
118 | rf->rf_lsflags = cpu_to_le32(rf->rf_lsflags); | |
119 | } | |
120 | ||
121 | static void rcom_config_in(struct rcom_config *rf) | |
122 | { | |
123 | rf->rf_lvblen = le32_to_cpu(rf->rf_lvblen); | |
124 | rf->rf_lsflags = le32_to_cpu(rf->rf_lsflags); | |
125 | } | |
126 | ||
127 | void dlm_rcom_out(struct dlm_rcom *rc) | |
128 | { | |
129 | struct dlm_header *hd = (struct dlm_header *) rc; | |
130 | int type = rc->rc_type; | |
131 | ||
132 | header_out(hd); | |
133 | ||
134 | rc->rc_type = cpu_to_le32(rc->rc_type); | |
135 | rc->rc_result = cpu_to_le32(rc->rc_result); | |
136 | rc->rc_id = cpu_to_le64(rc->rc_id); | |
38aa8b0c DT |
137 | rc->rc_seq = cpu_to_le64(rc->rc_seq); |
138 | rc->rc_seq_reply = cpu_to_le64(rc->rc_seq_reply); | |
e7fd4179 DT |
139 | |
140 | if (type == DLM_RCOM_LOCK) | |
141 | rcom_lock_out((struct rcom_lock *) rc->rc_buf); | |
142 | ||
143 | else if (type == DLM_RCOM_STATUS_REPLY) | |
144 | rcom_config_out((struct rcom_config *) rc->rc_buf); | |
145 | } | |
146 | ||
147 | void dlm_rcom_in(struct dlm_rcom *rc) | |
148 | { | |
149 | struct dlm_header *hd = (struct dlm_header *) rc; | |
150 | ||
151 | header_in(hd); | |
152 | ||
153 | rc->rc_type = le32_to_cpu(rc->rc_type); | |
154 | rc->rc_result = le32_to_cpu(rc->rc_result); | |
155 | rc->rc_id = le64_to_cpu(rc->rc_id); | |
38aa8b0c DT |
156 | rc->rc_seq = le64_to_cpu(rc->rc_seq); |
157 | rc->rc_seq_reply = le64_to_cpu(rc->rc_seq_reply); | |
e7fd4179 DT |
158 | |
159 | if (rc->rc_type == DLM_RCOM_LOCK) | |
160 | rcom_lock_in((struct rcom_lock *) rc->rc_buf); | |
161 | ||
162 | else if (rc->rc_type == DLM_RCOM_STATUS_REPLY) | |
163 | rcom_config_in((struct rcom_config *) rc->rc_buf); | |
164 | } | |
165 |