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 .owner = THIS_MODULE,
118 .open = seq_controller_open,
121 .release = seq_release,
124 static const struct file_operations proc_contrstats_ops = {
125 .owner = THIS_MODULE,
126 .open = seq_contrstats_open,
129 .release = seq_release,
132 // /proc/capi/applications:
133 // applid l3cnt dblkcnt dblklen #ncci recvqueuelen
134 // /proc/capi/applstats:
135 // applid nrecvctlpkt nrecvdatapkt nsentctlpkt nsentdatapkt
136 // ---------------------------------------------------------------------------
139 applications_start(struct seq_file *seq, loff_t *pos)
141 if (*pos < CAPI_MAXAPPL)
142 return &capi_applications[*pos];
148 applications_next(struct seq_file *seq, void *v, loff_t *pos)
151 if (*pos < CAPI_MAXAPPL)
152 return &capi_applications[*pos];
158 applications_stop(struct seq_file *seq, void *v)
163 applications_show(struct seq_file *seq, void *v)
165 struct capi20_appl *ap = *(struct capi20_appl **) v;
170 seq_printf(seq, "%u %d %d %d\n",
172 ap->rparam.level3cnt,
173 ap->rparam.datablkcnt,
174 ap->rparam.datablklen);
180 applstats_show(struct seq_file *seq, void *v)
182 struct capi20_appl *ap = *(struct capi20_appl **) v;
187 seq_printf(seq, "%u %lu %lu %lu %lu\n",
197 static struct seq_operations seq_applications_ops = {
198 .start = applications_start,
199 .next = applications_next,
200 .stop = applications_stop,
201 .show = applications_show,
204 static struct seq_operations seq_applstats_ops = {
205 .start = applications_start,
206 .next = applications_next,
207 .stop = applications_stop,
208 .show = applstats_show,
212 seq_applications_open(struct inode *inode, struct file *file)
214 return seq_open(file, &seq_applications_ops);
218 seq_applstats_open(struct inode *inode, struct file *file)
220 return seq_open(file, &seq_applstats_ops);
223 static const struct file_operations proc_applications_ops = {
224 .owner = THIS_MODULE,
225 .open = seq_applications_open,
228 .release = seq_release,
231 static const struct file_operations proc_applstats_ops = {
232 .owner = THIS_MODULE,
233 .open = seq_applstats_open,
236 .release = seq_release,
239 // ---------------------------------------------------------------------------
241 static void *capi_driver_start(struct seq_file *seq, loff_t *pos)
242 __acquires(&capi_drivers_list_lock)
244 read_lock(&capi_drivers_list_lock);
245 return seq_list_start(&capi_drivers, *pos);
248 static void *capi_driver_next(struct seq_file *seq, void *v, loff_t *pos)
250 return seq_list_next(v, &capi_drivers, pos);
253 static void capi_driver_stop(struct seq_file *seq, void *v)
254 __releases(&capi_drivers_list_lock)
256 read_unlock(&capi_drivers_list_lock);
259 static int capi_driver_show(struct seq_file *seq, void *v)
261 struct capi_driver *drv = list_entry(v, struct capi_driver, list);
263 seq_printf(seq, "%-32s %s\n", drv->name, drv->revision);
267 static struct seq_operations seq_capi_driver_ops = {
268 .start = capi_driver_start,
269 .next = capi_driver_next,
270 .stop = capi_driver_stop,
271 .show = capi_driver_show,
275 seq_capi_driver_open(struct inode *inode, struct file *file)
278 err = seq_open(file, &seq_capi_driver_ops);
282 static const struct file_operations proc_driver_ops = {
283 .owner = THIS_MODULE,
284 .open = seq_capi_driver_open,
287 .release = seq_release,
290 // ---------------------------------------------------------------------------
293 kcapi_proc_init(void)
295 proc_mkdir("capi", NULL);
296 proc_mkdir("capi/controllers", NULL);
297 proc_create("capi/controller", 0, NULL, &proc_controller_ops);
298 proc_create("capi/contrstats", 0, NULL, &proc_contrstats_ops);
299 proc_create("capi/applications", 0, NULL, &proc_applications_ops);
300 proc_create("capi/applstats", 0, NULL, &proc_applstats_ops);
301 proc_create("capi/driver", 0, NULL, &proc_driver_ops);
305 kcapi_proc_exit(void)
307 remove_proc_entry("capi/driver", NULL);
308 remove_proc_entry("capi/controller", NULL);
309 remove_proc_entry("capi/contrstats", NULL);
310 remove_proc_entry("capi/applications", NULL);
311 remove_proc_entry("capi/applstats", NULL);
312 remove_proc_entry("capi/controllers", NULL);
313 remove_proc_entry("capi", NULL);