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);
+}