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authorAlexey Dobriyan <adobriyan@gmail.com>2008-10-05 00:08:44 +0400
committerAlexey Dobriyan <adobriyan@gmail.com>2008-10-23 15:15:46 +0400
commitd6917e19f3fda8e1f88bc23ddceed952927bd716 (patch)
treeb9788090ce4661f6e0339cd7b937d36ef5027b58 /fs/proc/interrupts.c
parentdf8106dbb59a8c167ea16631059ecb5f7d77da13 (diff)
downloadlinux-d6917e19f3fda8e1f88bc23ddceed952927bd716.tar.xz
proc: move /proc/interrupts boilerplate code to fs/proc/interrupts.c
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Diffstat (limited to 'fs/proc/interrupts.c')
-rw-r--r--fs/proc/interrupts.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/fs/proc/interrupts.c b/fs/proc/interrupts.c
new file mode 100644
index 000000000000..05029c0e2f24
--- /dev/null
+++ b/fs/proc/interrupts.c
@@ -0,0 +1,53 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irqnr.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+
+/*
+ * /proc/interrupts
+ */
+static void *int_seq_start(struct seq_file *f, loff_t *pos)
+{
+ return (*pos <= nr_irqs) ? pos : NULL;
+}
+
+static void *int_seq_next(struct seq_file *f, void *v, loff_t *pos)
+{
+ (*pos)++;
+ if (*pos > nr_irqs)
+ return NULL;
+ return pos;
+}
+
+static void int_seq_stop(struct seq_file *f, void *v)
+{
+ /* Nothing to do */
+}
+
+static const struct seq_operations int_seq_ops = {
+ .start = int_seq_start,
+ .next = int_seq_next,
+ .stop = int_seq_stop,
+ .show = show_interrupts
+};
+
+static int interrupts_open(struct inode *inode, struct file *filp)
+{
+ return seq_open(filp, &int_seq_ops);
+}
+
+static const struct file_operations proc_interrupts_operations = {
+ .open = interrupts_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
+static int __init proc_interrupts_init(void)
+{
+ proc_create("interrupts", 0, NULL, &proc_interrupts_operations);
+ return 0;
+}
+module_init(proc_interrupts_init);