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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
29
30
31
32
33
34
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
111static int seq_controller_open(struct inode *inode, struct file *file)
112{
113 return seq_open(file, &seq_controller_ops);
114}
115
116static int seq_contrstats_open(struct inode *inode, struct file *file)
117{
118 return seq_open(file, &seq_contrstats_ops);
119}
120
121static const struct file_operations proc_controller_ops = {
122 .owner = THIS_MODULE,
123 .open = seq_controller_open,
124 .read = seq_read,
125 .llseek = seq_lseek,
126 .release = seq_release,
127};
128
129static const struct file_operations proc_contrstats_ops = {
130 .owner = THIS_MODULE,
131 .open = seq_contrstats_open,
132 .read = seq_read,
133 .llseek = seq_lseek,
134 .release = seq_release,
135};
136
137
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139
140
141
142
143static void *applications_start(struct seq_file *seq, loff_t *pos)
144 __acquires(capi_controller_lock)
145{
146 mutex_lock(&capi_controller_lock);
147
148 if (*pos < CAPI_MAXAPPL)
149 return &capi_applications[*pos];
150
151 return NULL;
152}
153
154static void *
155applications_next(struct seq_file *seq, void *v, loff_t *pos)
156{
157 ++*pos;
158 if (*pos < CAPI_MAXAPPL)
159 return &capi_applications[*pos];
160
161 return NULL;
162}
163
164static void applications_stop(struct seq_file *seq, void *v)
165 __releases(capi_controller_lock)
166{
167 mutex_unlock(&capi_controller_lock);
168}
169
170static int
171applications_show(struct seq_file *seq, void *v)
172{
173 struct capi20_appl *ap = *(struct capi20_appl **) v;
174
175 if (!ap)
176 return 0;
177
178 seq_printf(seq, "%u %d %d %d\n",
179 ap->applid,
180 ap->rparam.level3cnt,
181 ap->rparam.datablkcnt,
182 ap->rparam.datablklen);
183
184 return 0;
185}
186
187static int
188applstats_show(struct seq_file *seq, void *v)
189{
190 struct capi20_appl *ap = *(struct capi20_appl **) v;
191
192 if (!ap)
193 return 0;
194
195 seq_printf(seq, "%u %lu %lu %lu %lu\n",
196 ap->applid,
197 ap->nrecvctlpkt,
198 ap->nrecvdatapkt,
199 ap->nsentctlpkt,
200 ap->nsentdatapkt);
201
202 return 0;
203}
204
205static const struct seq_operations seq_applications_ops = {
206 .start = applications_start,
207 .next = applications_next,
208 .stop = applications_stop,
209 .show = applications_show,
210};
211
212static const struct seq_operations seq_applstats_ops = {
213 .start = applications_start,
214 .next = applications_next,
215 .stop = applications_stop,
216 .show = applstats_show,
217};
218
219static int
220seq_applications_open(struct inode *inode, struct file *file)
221{
222 return seq_open(file, &seq_applications_ops);
223}
224
225static int
226seq_applstats_open(struct inode *inode, struct file *file)
227{
228 return seq_open(file, &seq_applstats_ops);
229}
230
231static const struct file_operations proc_applications_ops = {
232 .owner = THIS_MODULE,
233 .open = seq_applications_open,
234 .read = seq_read,
235 .llseek = seq_lseek,
236 .release = seq_release,
237};
238
239static const struct file_operations proc_applstats_ops = {
240 .owner = THIS_MODULE,
241 .open = seq_applstats_open,
242 .read = seq_read,
243 .llseek = seq_lseek,
244 .release = seq_release,
245};
246
247
248
249static void *capi_driver_start(struct seq_file *seq, loff_t *pos)
250 __acquires(&capi_drivers_lock)
251{
252 mutex_lock(&capi_drivers_lock);
253 return seq_list_start(&capi_drivers, *pos);
254}
255
256static void *capi_driver_next(struct seq_file *seq, void *v, loff_t *pos)
257{
258 return seq_list_next(v, &capi_drivers, pos);
259}
260
261static void capi_driver_stop(struct seq_file *seq, void *v)
262 __releases(&capi_drivers_lock)
263{
264 mutex_unlock(&capi_drivers_lock);
265}
266
267static int capi_driver_show(struct seq_file *seq, void *v)
268{
269 struct capi_driver *drv = list_entry(v, struct capi_driver, list);
270
271 seq_printf(seq, "%-32s %s\n", drv->name, drv->revision);
272 return 0;
273}
274
275static const struct seq_operations seq_capi_driver_ops = {
276 .start = capi_driver_start,
277 .next = capi_driver_next,
278 .stop = capi_driver_stop,
279 .show = capi_driver_show,
280};
281
282static int
283seq_capi_driver_open(struct inode *inode, struct file *file)
284{
285 int err;
286 err = seq_open(file, &seq_capi_driver_ops);
287 return err;
288}
289
290static const struct file_operations proc_driver_ops = {
291 .owner = THIS_MODULE,
292 .open = seq_capi_driver_open,
293 .read = seq_read,
294 .llseek = seq_lseek,
295 .release = seq_release,
296};
297
298
299
300void __init
301kcapi_proc_init(void)
302{
303 proc_mkdir("capi", NULL);
304 proc_mkdir("capi/controllers", NULL);
305 proc_create("capi/controller", 0, NULL, &proc_controller_ops);
306 proc_create("capi/contrstats", 0, NULL, &proc_contrstats_ops);
307 proc_create("capi/applications", 0, NULL, &proc_applications_ops);
308 proc_create("capi/applstats", 0, NULL, &proc_applstats_ops);
309 proc_create("capi/driver", 0, NULL, &proc_driver_ops);
310}
311
312void __exit
313kcapi_proc_exit(void)
314{
315 remove_proc_entry("capi/driver", NULL);
316 remove_proc_entry("capi/controller", NULL);
317 remove_proc_entry("capi/contrstats", NULL);
318 remove_proc_entry("capi/applications", NULL);
319 remove_proc_entry("capi/applstats", NULL);
320 remove_proc_entry("capi/controllers", NULL);
321 remove_proc_entry("capi", NULL);
322}
323
