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File: [Development] / linux-2.6-xfs / drivers / isdn / capi / kcapi_proc.c (download)

Revision 1.7, Wed Sep 12 17:09:56 2007 UTC (10 years, 1 month ago) by tes.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.6: +4 -24 lines

Update 2.6.x-xfs to 2.6.23-rc4.

Also update fs/xfs with external mainline changes.
There were 12 such missing commits that I detected:

--------
commit ad690ef9e690f6c31f7d310b09ef1314bcec9033
Author: Al Viro <viro@ftp.linux.org.uk>
    xfs ioctl __user annotations

commit 20c2df83d25c6a95affe6157a4c9cac4cf5ffaac
Author: Paul Mundt <lethal@linux-sh.org>
    mm: Remove slab destructors from kmem_cache_create().

commit d0217ac04ca6591841e5665f518e38064f4e65bd
Author: Nick Piggin <npiggin@suse.de>
    mm: fault feedback #1

commit 54cb8821de07f2ffcd28c380ce9b93d5784b40d7
Author: Nick Piggin <npiggin@suse.de>
    mm: merge populate and nopage into fault (fixes nonlinear)

commit d00806b183152af6d24f46f0c33f14162ca1262a
Author: Nick Piggin <npiggin@suse.de>
    mm: fix fault vs invalidate race for linear mappings

commit a569425512253992cc64ebf8b6d00a62f986db3e
Author: Christoph Hellwig <hch@infradead.org>
    knfsd: exportfs: add exportfs.h header

commit 831441862956fffa17b9801db37e6ea1650b0f69
Author: Rafael J. Wysocki <rjw@sisk.pl>
    Freezer: make kernel threads nonfreezable by default

commit 8e1f936b73150f5095448a0fee6d4f30a1f9001d
Author: Rusty Russell <rusty@rustcorp.com.au>
    mm: clean up and kernelify shrinker registration

commit 5ffc4ef45b3b0a57872f631b4e4ceb8ace0d7496
Author: Jens Axboe <jens.axboe@oracle.com>
    sendfile: remove .sendfile from filesystems that use generic_file_sendfile()

commit 8bb7844286fb8c9fce6f65d8288aeb09d03a5e0d
Author: Rafael J. Wysocki <rjw@sisk.pl>
    Add suspend-related notifications for CPU hotplug

commit 59c51591a0ac7568824f541f57de967e88adaa07
Author: Michael Opdenacker <michael@free-electrons.com>
    Fix occurrences of "the the "

commit 0ceb331433e8aad9c5f441a965d7c681f8b9046f
Author: Dmitriy Monakhov <dmonakhov@openvz.org>
    mm: move common segment checks to separate helper function
--------
Merge of 2.6.x-xfs-melb:linux:29656b by kenmcd.

/*
 * 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;
}

static struct seq_operations seq_controller_ops = {
	.start	= controller_start,
	.next	= controller_next,
	.stop	= controller_stop,
	.show	= controller_show,
};

static 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 const struct file_operations proc_controller_ops = {
	.open		= seq_controller_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= seq_release,
};

static const 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;
}

static struct seq_operations seq_applications_ops = {
	.start	= applications_start,
	.next	= applications_next,
	.stop	= applications_stop,
	.show	= applications_show,
};

static 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 const struct file_operations proc_applications_ops = {
	.open		= seq_applications_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= seq_release,
};

static const 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, const struct file_operations *f)
{
	struct proc_dir_entry *entry;
	entry = create_proc_entry(name, mode, NULL);
	if (entry)
		entry->proc_fops = f;
}

// ---------------------------------------------------------------------------

static void *capi_driver_start(struct seq_file *seq, loff_t *pos)
{
	read_lock(&capi_drivers_list_lock);
	return seq_list_start(&capi_drivers, *pos);
}

static void *capi_driver_next(struct seq_file *seq, void *v, loff_t *pos)
{
	return seq_list_next(v, &capi_drivers, pos);
}

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 = list_entry(v, struct capi_driver, list);

	seq_printf(seq, "%-32s %s\n", drv->name, drv->revision);
	return 0;
}

static 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 const 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);
}