cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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virq-debugfs.c (1252B)

      1/*
      2 * Support for virtual IRQ subgroups debugfs mapping.
      3 *
      4 * Copyright (C) 2010  Paul Mundt
      5 *
      6 * Modelled after arch/powerpc/kernel/irq.c.
      7 *
      8 * This file is subject to the terms and conditions of the GNU General Public
      9 * License.  See the file "COPYING" in the main directory of this archive
     10 * for more details.
     11 */
     12#include <linux/seq_file.h>
     13#include <linux/fs.h>
     14#include <linux/init.h>
     15#include <linux/irq.h>
     16#include <linux/debugfs.h>
     17#include "internals.h"
     18
     19static int intc_irq_xlate_show(struct seq_file *m, void *priv)
     20{
     21	int i;
     22
     23	seq_printf(m, "%-5s  %-7s  %-15s\n", "irq", "enum", "chip name");
     24
     25	for (i = 1; i < nr_irqs; i++) {
     26		struct intc_map_entry *entry = intc_irq_xlate_get(i);
     27		struct intc_desc_int *desc = entry->desc;
     28
     29		if (!desc)
     30			continue;
     31
     32		seq_printf(m, "%5d  ", i);
     33		seq_printf(m, "0x%05x  ", entry->enum_id);
     34		seq_printf(m, "%-15s\n", desc->chip.name);
     35	}
     36
     37	return 0;
     38}
     39
     40DEFINE_SHOW_ATTRIBUTE(intc_irq_xlate);
     41
     42static int __init intc_irq_xlate_init(void)
     43{
     44	/*
     45	 * XXX.. use arch_debugfs_dir here when all of the intc users are
     46	 * converted.
     47	 */
     48	if (debugfs_create_file("intc_irq_xlate", S_IRUGO, NULL, NULL,
     49				&intc_irq_xlate_fops) == NULL)
     50		return -ENOMEM;
     51
     52	return 0;
     53}
     54fs_initcall(intc_irq_xlate_init);