From b4210b810e5040f10a30ba56de6c3faab5c49345 Mon Sep 17 00:00:00 2001
From: Hannes Reinecke <hare@suse.de>
Date: Wed, 25 Jun 2014 15:27:37 +0200
Subject: [PATCH] Add module param type 'ullong'

Some driver might want to pass in an 64-bit value, so introduce
a module param type 'ullong'.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Christoph Hellwig <hch@infradead.org>
Reviewed-by: Ewan Milne <emilne@redhat.com>
Acked-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 include/linux/moduleparam.h | 5 +++++
 kernel/params.c             | 1 +
 2 files changed, 6 insertions(+)

diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index b1990c5524e1..494f99e852da 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -381,6 +381,11 @@ extern int param_set_ulong(const char *val, const struct kernel_param *kp);
 extern int param_get_ulong(char *buffer, const struct kernel_param *kp);
 #define param_check_ulong(name, p) __param_check(name, p, unsigned long)
 
+extern struct kernel_param_ops param_ops_ullong;
+extern int param_set_ullong(const char *val, const struct kernel_param *kp);
+extern int param_get_ullong(char *buffer, const struct kernel_param *kp);
+#define param_check_ullong(name, p) __param_check(name, p, unsigned long long)
+
 extern struct kernel_param_ops param_ops_charp;
 extern int param_set_charp(const char *val, const struct kernel_param *kp);
 extern int param_get_charp(char *buffer, const struct kernel_param *kp);
diff --git a/kernel/params.c b/kernel/params.c
index 1e52ca233fd9..34f527023794 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -256,6 +256,7 @@ STANDARD_PARAM_DEF(int, int, "%i", kstrtoint);
 STANDARD_PARAM_DEF(uint, unsigned int, "%u", kstrtouint);
 STANDARD_PARAM_DEF(long, long, "%li", kstrtol);
 STANDARD_PARAM_DEF(ulong, unsigned long, "%lu", kstrtoul);
+STANDARD_PARAM_DEF(ullong, unsigned long long, "%llu", kstrtoull);
 
 int param_set_charp(const char *val, const struct kernel_param *kp)
 {
-- 
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