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13#include "kcapi.h"
14#include <linux/proc_fs.h>
15#include <linux/seq_file.h>
16#include <linux/init.h>
17#include <linux/export.h>
18
19static char *state2str(unsigned short state)
20{
21 switch (state) {
22 case CAPI_CTR_DETECTED: return "detected";
23 case CAPI_CTR_LOADING: return "loading";
24 case CAPI_CTR_RUNNING: return "running";
25 default: return "???";
26 }
27}
28
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32
33
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35
36
37
38static void *controller_start(struct seq_file *seq, loff_t *pos)
39 __acquires(capi_controller_lock)
40{
41 mutex_lock(&capi_controller_lock);
42
43 if (*pos < CAPI_MAXCONTR)
44 return &capi_controller[*pos];
45
46 return NULL;
47}
48
49static void *controller_next(struct seq_file *seq, void *v, loff_t *pos)
50{
51 ++*pos;
52 if (*pos < CAPI_MAXCONTR)
53 return &capi_controller[*pos];
54
55 return NULL;
56}
57
58static void controller_stop(struct seq_file *seq, void *v)
59 __releases(capi_controller_lock)
60{
61 mutex_unlock(&capi_controller_lock);
62}
63
64static int controller_show(struct seq_file *seq, void *v)
65{
66 struct capi_ctr *ctr = *(struct capi_ctr **) v;
67
68 if (!ctr)
69 return 0;
70
71 seq_printf(seq, "%d %-10s %-8s %-16s %s\n",
72 ctr->cnr, ctr->driver_name,
73 state2str(ctr->state),
74 ctr->name,
75 ctr->procinfo ? ctr->procinfo(ctr) : "");
76
77 return 0;
78}
79
80static int contrstats_show(struct seq_file *seq, void *v)
81{
82 struct capi_ctr *ctr = *(struct capi_ctr **) v;
83
84 if (!ctr)
85 return 0;
86
87 seq_printf(seq, "%d %lu %lu %lu %lu\n",
88 ctr->cnr,
89 ctr->nrecvctlpkt,
90 ctr->nrecvdatapkt,
91 ctr->nsentctlpkt,
92 ctr->nsentdatapkt);
93
94 return 0;
95}
96
97static const struct seq_operations seq_controller_ops = {
98 .start = controller_start,
99 .next = controller_next,
100 .stop = controller_stop,
101 .show = controller_show,
102};
103
104static const struct seq_operations seq_contrstats_ops = {
105 .start = controller_start,
106 .next = controller_next,
107 .stop = controller_stop,
108 .show = contrstats_show,
109};
110
111
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114
115
116
117static void *applications_start(struct seq_file *seq, loff_t *pos)
118 __acquires(capi_controller_lock)
119{
120 mutex_lock(&capi_controller_lock);
121
122 if (*pos < CAPI_MAXAPPL)
123 return &capi_applications[*pos];
124
125 return NULL;
126}
127
128static void *
129applications_next(struct seq_file *seq, void *v, loff_t *pos)
130{
131 ++*pos;
132 if (*pos < CAPI_MAXAPPL)
133 return &capi_applications[*pos];
134
135 return NULL;
136}
137
138static void applications_stop(struct seq_file *seq, void *v)
139 __releases(capi_controller_lock)
140{
141 mutex_unlock(&capi_controller_lock);
142}
143
144static int
145applications_show(struct seq_file *seq, void *v)
146{
147 struct capi20_appl *ap = *(struct capi20_appl **) v;
148
149 if (!ap)
150 return 0;
151
152 seq_printf(seq, "%u %d %d %d\n",
153 ap->applid,
154 ap->rparam.level3cnt,
155 ap->rparam.datablkcnt,
156 ap->rparam.datablklen);
157
158 return 0;
159}
160
161static int
162applstats_show(struct seq_file *seq, void *v)
163{
164 struct capi20_appl *ap = *(struct capi20_appl **) v;
165
166 if (!ap)
167 return 0;
168
169 seq_printf(seq, "%u %lu %lu %lu %lu\n",
170 ap->applid,
171 ap->nrecvctlpkt,
172 ap->nrecvdatapkt,
173 ap->nsentctlpkt,
174 ap->nsentdatapkt);
175
176 return 0;
177}
178
179static const struct seq_operations seq_applications_ops = {
180 .start = applications_start,
181 .next = applications_next,
182 .stop = applications_stop,
183 .show = applications_show,
184};
185
186static const struct seq_operations seq_applstats_ops = {
187 .start = applications_start,
188 .next = applications_next,
189 .stop = applications_stop,
190 .show = applstats_show,
191};
192
193
194
195
196static ssize_t empty_read(struct file *file, char __user *buf,
197 size_t size, loff_t *off)
198{
199 return 0;
200}
201
202static const struct proc_ops empty_proc_ops = {
203 .proc_read = empty_read,
204};
205
206
207
208void __init
209kcapi_proc_init(void)
210{
211 proc_mkdir("capi", NULL);
212 proc_mkdir("capi/controllers", NULL);
213 proc_create_seq("capi/controller", 0, NULL, &seq_controller_ops);
214 proc_create_seq("capi/contrstats", 0, NULL, &seq_contrstats_ops);
215 proc_create_seq("capi/applications", 0, NULL, &seq_applications_ops);
216 proc_create_seq("capi/applstats", 0, NULL, &seq_applstats_ops);
217 proc_create("capi/driver", 0, NULL, &empty_proc_ops);
218}
219
220void
221kcapi_proc_exit(void)
222{
223 remove_proc_entry("capi/driver", NULL);
224 remove_proc_entry("capi/controller", NULL);
225 remove_proc_entry("capi/contrstats", NULL);
226 remove_proc_entry("capi/applications", NULL);
227 remove_proc_entry("capi/applstats", NULL);
228 remove_proc_entry("capi/controllers", NULL);
229 remove_proc_entry("capi", NULL);
230}
231
