From: Hannes Reinecke <hare@xxxxxxx>
Some driver might want to pass in an 64-bit value, so introduce
a module param type 'ullong'.
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Reviewed-by: Ewan Milne <emilne@xxxxxxxxxx>
Acked-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
(cherry picked from commit b4210b810e5040f10a30ba56de6c3faab5c49345)
Signed-off-by: Chang Rebecca Swee Fun <rebecca.swee.fun.chang@xxxxxxxxx>
---
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 b1990c5..494f99e 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 1e52ca2..34f5270 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)
{
--
1.7.9.5
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