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path: root/drivers/isdn/capi/kcapi_proc.c
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Diffstat (limited to 'drivers/isdn/capi/kcapi_proc.c')
-rw-r--r--drivers/isdn/capi/kcapi_proc.c336
1 files changed, 336 insertions, 0 deletions
diff --git a/drivers/isdn/capi/kcapi_proc.c b/drivers/isdn/capi/kcapi_proc.c
new file mode 100644
index 00000000000..16dc5418ff4
--- /dev/null
+++ b/drivers/isdn/capi/kcapi_proc.c
@@ -0,0 +1,336 @@
+/*
+ * Kernel CAPI 2.0 Module - /proc/capi handling
+ *
+ * Copyright 1999 by Carsten Paeth <calle@calle.de>
+ * Copyright 2002 by Kai Germaschewski <kai@germaschewski.name>
+ *
+ * This software may be used and distributed according to the terms
+ * of the GNU General Public License, incorporated herein by reference.
+ *
+ */
+
+
+#include "kcapi.h"
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <linux/init.h>
+
+static char *
+cardstate2str(unsigned short cardstate)
+{
+ switch (cardstate) {
+ case CARD_DETECTED: return "detected";
+ case CARD_LOADING: return "loading";
+ case CARD_RUNNING: return "running";
+ default: return "???";
+ }
+}
+
+// /proc/capi
+// ===========================================================================
+
+// /proc/capi/controller:
+// cnr driver cardstate name driverinfo
+// /proc/capi/contrstats:
+// cnr nrecvctlpkt nrecvdatapkt nsentctlpkt nsentdatapkt
+// ---------------------------------------------------------------------------
+
+static void *controller_start(struct seq_file *seq, loff_t *pos)
+{
+ if (*pos < CAPI_MAXCONTR)
+ return &capi_cards[*pos];
+
+ return NULL;
+}
+
+static void *controller_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+ ++*pos;
+ if (*pos < CAPI_MAXCONTR)
+ return &capi_cards[*pos];
+
+ return NULL;
+}
+
+static void controller_stop(struct seq_file *seq, void *v)
+{
+}
+
+static int controller_show(struct seq_file *seq, void *v)
+{
+ struct capi_ctr *ctr = *(struct capi_ctr **) v;
+
+ if (!ctr)
+ return 0;
+
+ seq_printf(seq, "%d %-10s %-8s %-16s %s\n",
+ ctr->cnr, ctr->driver_name,
+ cardstate2str(ctr->cardstate),
+ ctr->name,
+ ctr->procinfo ? ctr->procinfo(ctr) : "");
+
+ return 0;
+}
+
+static int contrstats_show(struct seq_file *seq, void *v)
+{
+ struct capi_ctr *ctr = *(struct capi_ctr **) v;
+
+ if (!ctr)
+ return 0;
+
+ seq_printf(seq, "%d %lu %lu %lu %lu\n",
+ ctr->cnr,
+ ctr->nrecvctlpkt,
+ ctr->nrecvdatapkt,
+ ctr->nsentctlpkt,
+ ctr->nsentdatapkt);
+
+ return 0;
+}
+
+struct seq_operations seq_controller_ops = {
+ .start = controller_start,
+ .next = controller_next,
+ .stop = controller_stop,
+ .show = controller_show,
+};
+
+struct seq_operations seq_contrstats_ops = {
+ .start = controller_start,
+ .next = controller_next,
+ .stop = controller_stop,
+ .show = contrstats_show,
+};
+
+static int seq_controller_open(struct inode *inode, struct file *file)
+{
+ return seq_open(file, &seq_controller_ops);
+}
+
+static int seq_contrstats_open(struct inode *inode, struct file *file)
+{
+ return seq_open(file, &seq_contrstats_ops);
+}
+
+static struct file_operations proc_controller_ops = {
+ .open = seq_controller_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
+static struct file_operations proc_contrstats_ops = {
+ .open = seq_contrstats_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
+// /proc/capi/applications:
+// applid l3cnt dblkcnt dblklen #ncci recvqueuelen
+// /proc/capi/applstats:
+// applid nrecvctlpkt nrecvdatapkt nsentctlpkt nsentdatapkt
+// ---------------------------------------------------------------------------
+
+static void *
+applications_start(struct seq_file *seq, loff_t *pos)
+{
+ if (*pos < CAPI_MAXAPPL)
+ return &capi_applications[*pos];
+
+ return NULL;
+}
+
+static void *
+applications_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+ ++*pos;
+ if (*pos < CAPI_MAXAPPL)
+ return &capi_applications[*pos];
+
+ return NULL;
+}
+
+static void
+applications_stop(struct seq_file *seq, void *v)
+{
+}
+
+static int
+applications_show(struct seq_file *seq, void *v)
+{
+ struct capi20_appl *ap = *(struct capi20_appl **) v;
+
+ if (!ap)
+ return 0;
+
+ seq_printf(seq, "%u %d %d %d\n",
+ ap->applid,
+ ap->rparam.level3cnt,
+ ap->rparam.datablkcnt,
+ ap->rparam.datablklen);
+
+ return 0;
+}
+
+static int
+applstats_show(struct seq_file *seq, void *v)
+{
+ struct capi20_appl *ap = *(struct capi20_appl **) v;
+
+ if (!ap)
+ return 0;
+
+ seq_printf(seq, "%u %lu %lu %lu %lu\n",
+ ap->applid,
+ ap->nrecvctlpkt,
+ ap->nrecvdatapkt,
+ ap->nsentctlpkt,
+ ap->nsentdatapkt);
+
+ return 0;
+}
+
+struct seq_operations seq_applications_ops = {
+ .start = applications_start,
+ .next = applications_next,
+ .stop = applications_stop,
+ .show = applications_show,
+};
+
+struct seq_operations seq_applstats_ops = {
+ .start = applications_start,
+ .next = applications_next,
+ .stop = applications_stop,
+ .show = applstats_show,
+};
+
+static int
+seq_applications_open(struct inode *inode, struct file *file)
+{
+ return seq_open(file, &seq_applications_ops);
+}
+
+static int
+seq_applstats_open(struct inode *inode, struct file *file)
+{
+ return seq_open(file, &seq_applstats_ops);
+}
+
+static struct file_operations proc_applications_ops = {
+ .open = seq_applications_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
+static struct file_operations proc_applstats_ops = {
+ .open = seq_applstats_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
+static void
+create_seq_entry(char *name, mode_t mode, struct file_operations *f)
+{
+ struct proc_dir_entry *entry;
+ entry = create_proc_entry(name, mode, NULL);
+ if (entry)
+ entry->proc_fops = f;
+}
+
+// ---------------------------------------------------------------------------
+
+
+static __inline__ struct capi_driver *capi_driver_get_idx(loff_t pos)
+{
+ struct capi_driver *drv = NULL;
+ struct list_head *l;
+ loff_t i;
+
+ i = 0;
+ list_for_each(l, &capi_drivers) {
+ drv = list_entry(l, struct capi_driver, list);
+ if (i++ == pos)
+ return drv;
+ }
+ return NULL;
+}
+
+static void *capi_driver_start(struct seq_file *seq, loff_t *pos)
+{
+ struct capi_driver *drv;
+ read_lock(&capi_drivers_list_lock);
+ drv = capi_driver_get_idx(*pos);
+ return drv;
+}
+
+static void *capi_driver_next(struct seq_file *seq, void *v, loff_t *pos)
+{
+ struct capi_driver *drv = (struct capi_driver *)v;
+ ++*pos;
+ if (drv->list.next == &capi_drivers) return NULL;
+ return list_entry(drv->list.next, struct capi_driver, list);
+}
+
+static void capi_driver_stop(struct seq_file *seq, void *v)
+{
+ read_unlock(&capi_drivers_list_lock);
+}
+
+static int capi_driver_show(struct seq_file *seq, void *v)
+{
+ struct capi_driver *drv = (struct capi_driver *)v;
+ seq_printf(seq, "%-32s %s\n", drv->name, drv->revision);
+ return 0;
+}
+
+struct seq_operations seq_capi_driver_ops = {
+ .start = capi_driver_start,
+ .next = capi_driver_next,
+ .stop = capi_driver_stop,
+ .show = capi_driver_show,
+};
+
+static int
+seq_capi_driver_open(struct inode *inode, struct file *file)
+{
+ int err;
+ err = seq_open(file, &seq_capi_driver_ops);
+ return err;
+}
+
+static struct file_operations proc_driver_ops = {
+ .open = seq_capi_driver_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
+// ---------------------------------------------------------------------------
+
+void __init
+kcapi_proc_init(void)
+{
+ proc_mkdir("capi", NULL);
+ proc_mkdir("capi/controllers", NULL);
+ create_seq_entry("capi/controller", 0, &proc_controller_ops);
+ create_seq_entry("capi/contrstats", 0, &proc_contrstats_ops);
+ create_seq_entry("capi/applications", 0, &proc_applications_ops);
+ create_seq_entry("capi/applstats", 0, &proc_applstats_ops);
+ create_seq_entry("capi/driver", 0, &proc_driver_ops);
+}
+
+void __exit
+kcapi_proc_exit(void)
+{
+ remove_proc_entry("capi/driver", NULL);
+ remove_proc_entry("capi/controller", NULL);
+ remove_proc_entry("capi/contrstats", NULL);
+ remove_proc_entry("capi/applications", NULL);
+ remove_proc_entry("capi/applstats", NULL);
+ remove_proc_entry("capi/controllers", NULL);
+ remove_proc_entry("capi", NULL);
+}