tpm_tis: Introduce durations sysfs entry
Display the TPM's command timeouts in a 'durations' sysfs entry. Display
the entries as having been adjusted when they were scaled due to their values
being reported in milliseconds rather than microseconds.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Tested-by: Guillaume Chazarain <guichaz@gmail.com>
Signed-off-by: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 72ddb03..6fc7976 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -56,6 +56,8 @@
char *);
extern ssize_t tpm_show_temp_deactivated(struct device *,
struct device_attribute *attr, char *);
+extern ssize_t tpm_show_durations(struct device *,
+ struct device_attribute *attr, char *);
struct tpm_chip;
@@ -82,6 +84,7 @@
int locality;
unsigned long timeout_a, timeout_b, timeout_c, timeout_d; /* jiffies */
unsigned long duration[3]; /* jiffies */
+ bool duration_adjusted;
wait_queue_head_t read_queue;
wait_queue_head_t int_queue;