2 * Kernel CAPI 2.0 Module - /proc/capi handling
4 * Copyright 1999 by Carsten Paeth <calle@calle.de>
5 * Copyright 2002 by Kai Germaschewski <kai@germaschewski.name>
7 * This software may be used and distributed according to the terms
8 * of the GNU General Public License, incorporated herein by reference.
14 #include <linux/proc_fs.h>
15 #include <linux/seq_file.h>
16 #include <linux/init.h>
19 cardstate2str(unsigned short cardstate)
22 case CARD_DETECTED: return "detected";
23 case CARD_LOADING: return "loading";
24 case CARD_RUNNING: return "running";
25 default: return "???";
30 // ===========================================================================
32 // /proc/capi/controller:
33 // cnr driver cardstate name driverinfo
34 // /proc/capi/contrstats:
35 // cnr nrecvctlpkt nrecvdatapkt nsentctlpkt nsentdatapkt
36 // ---------------------------------------------------------------------------
38 static void *controller_start(struct seq_file *seq, loff_t *pos)
40 if (*pos < CAPI_MAXCONTR)
41 return &capi_cards[*pos];
46 static void *controller_next(struct seq_file *seq, void *v, loff_t *pos)
49 if (*pos < CAPI_MAXCONTR)
50 return &capi_cards[*pos];
55 static void controller_stop(struct seq_file *seq, void *v)
59 static int controller_show(struct seq_file *seq, void *v)
61 struct capi_ctr *ctr = *(struct capi_ctr **) v;
66 seq_printf(seq, "%d %-10s %-8s %-16s %s\n",
67 ctr->cnr, ctr->driver_name,
68 cardstate2str(ctr->cardstate),
70 ctr->procinfo ? ctr->procinfo(ctr) : "");
75 static int contrstats_show(struct seq_file *seq, void *v)
77 struct capi_ctr *ctr = *(struct capi_ctr **) v;
82 seq_printf(seq, "%d %lu %lu %lu %lu\n",
92 static struct seq_operations seq_controller_ops = {
93 .start = controller_start,
94 .next = controller_next,
95 .stop = controller_stop,
96 .show = controller_show,
99 static struct seq_operations seq_contrstats_ops = {
100 .start = controller_start,
101 .next = controller_next,
102 .stop = controller_stop,
103 .show = contrstats_show,
106 static int seq_controller_open(struct inode *inode, struct file *file)
108 return seq_open(file, &seq_controller_ops);
111 static int seq_contrstats_open(struct inode *inode, struct file *file)
113 return seq_open(file, &seq_contrstats_ops);
116 static const struct file_operations proc_controller_ops = {
117 .open = seq_controller_open,
120 .release = seq_release,
123 static const struct file_operations proc_contrstats_ops = {
124 .open = seq_contrstats_open,
127 .release = seq_release,
130 // /proc/capi/applications:
131 // applid l3cnt dblkcnt dblklen #ncci recvqueuelen
132 // /proc/capi/applstats:
133 // applid nrecvctlpkt nrecvdatapkt nsentctlpkt nsentdatapkt
134 // ---------------------------------------------------------------------------
137 applications_start(struct seq_file *seq, loff_t *pos)
139 if (*pos < CAPI_MAXAPPL)
140 return &capi_applications[*pos];
146 applications_next(struct seq_file *seq, void *v, loff_t *pos)
149 if (*pos < CAPI_MAXAPPL)
150 return &capi_applications[*pos];
156 applications_stop(struct seq_file *seq, void *v)
161 applications_show(struct seq_file *seq, void *v)
163 struct capi20_appl *ap = *(struct capi20_appl **) v;
168 seq_printf(seq, "%u %d %d %d\n",
170 ap->rparam.level3cnt,
171 ap->rparam.datablkcnt,
172 ap->rparam.datablklen);
178 applstats_show(struct seq_file *seq, void *v)
180 struct capi20_appl *ap = *(struct capi20_appl **) v;
185 seq_printf(seq, "%u %lu %lu %lu %lu\n",
195 static struct seq_operations seq_applications_ops = {
196 .start = applications_start,
197 .next = applications_next,
198 .stop = applications_stop,
199 .show = applications_show,
202 static struct seq_operations seq_applstats_ops = {
203 .start = applications_start,
204 .next = applications_next,
205 .stop = applications_stop,
206 .show = applstats_show,
210 seq_applications_open(struct inode *inode, struct file *file)
212 return seq_open(file, &seq_applications_ops);
216 seq_applstats_open(struct inode *inode, struct file *file)
218 return seq_open(file, &seq_applstats_ops);
221 static const struct file_operations proc_applications_ops = {
222 .open = seq_applications_open,
225 .release = seq_release,
228 static const struct file_operations proc_applstats_ops = {
229 .open = seq_applstats_open,
232 .release = seq_release,
236 create_seq_entry(char *name, mode_t mode, const struct file_operations *f)
238 struct proc_dir_entry *entry;
239 entry = create_proc_entry(name, mode, NULL);
241 entry->proc_fops = f;
244 // ---------------------------------------------------------------------------
247 static __inline__ struct capi_driver *capi_driver_get_idx(loff_t pos)
249 struct capi_driver *drv = NULL;
254 list_for_each(l, &capi_drivers) {
255 drv = list_entry(l, struct capi_driver, list);
262 static void *capi_driver_start(struct seq_file *seq, loff_t *pos)
264 struct capi_driver *drv;
265 read_lock(&capi_drivers_list_lock);
266 drv = capi_driver_get_idx(*pos);
270 static void *capi_driver_next(struct seq_file *seq, void *v, loff_t *pos)
272 struct capi_driver *drv = (struct capi_driver *)v;
274 if (drv->list.next == &capi_drivers) return NULL;
275 return list_entry(drv->list.next, struct capi_driver, list);
278 static void capi_driver_stop(struct seq_file *seq, void *v)
280 read_unlock(&capi_drivers_list_lock);
283 static int capi_driver_show(struct seq_file *seq, void *v)
285 struct capi_driver *drv = (struct capi_driver *)v;
286 seq_printf(seq, "%-32s %s\n", drv->name, drv->revision);
290 static struct seq_operations seq_capi_driver_ops = {
291 .start = capi_driver_start,
292 .next = capi_driver_next,
293 .stop = capi_driver_stop,
294 .show = capi_driver_show,
298 seq_capi_driver_open(struct inode *inode, struct file *file)
301 err = seq_open(file, &seq_capi_driver_ops);
305 static const struct file_operations proc_driver_ops = {
306 .open = seq_capi_driver_open,
309 .release = seq_release,
312 // ---------------------------------------------------------------------------
315 kcapi_proc_init(void)
317 proc_mkdir("capi", NULL);
318 proc_mkdir("capi/controllers", NULL);
319 create_seq_entry("capi/controller", 0, &proc_controller_ops);
320 create_seq_entry("capi/contrstats", 0, &proc_contrstats_ops);
321 create_seq_entry("capi/applications", 0, &proc_applications_ops);
322 create_seq_entry("capi/applstats", 0, &proc_applstats_ops);
323 create_seq_entry("capi/driver", 0, &proc_driver_ops);
327 kcapi_proc_exit(void)
329 remove_proc_entry("capi/driver", NULL);
330 remove_proc_entry("capi/controller", NULL);
331 remove_proc_entry("capi/contrstats", NULL);
332 remove_proc_entry("capi/applications", NULL);
333 remove_proc_entry("capi/applstats", NULL);
334 remove_proc_entry("capi/controllers", NULL);
335 remove_proc_entry("capi", NULL);