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Diffstat (limited to 'include/uapi/linux/ptp_clock.h')
-rw-r--r--include/uapi/linux/ptp_clock.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/include/uapi/linux/ptp_clock.h b/include/uapi/linux/ptp_clock.h
index f0b7bfe5da92..ac6dded80ffa 100644
--- a/include/uapi/linux/ptp_clock.h
+++ b/include/uapi/linux/ptp_clock.h
@@ -51,7 +51,9 @@ struct ptp_clock_caps {
int n_per_out; /* Number of programmable periodic signals. */
int pps; /* Whether the clock supports a PPS callback. */
int n_pins; /* Number of input/output pins. */
- int rsv[14]; /* Reserved for future use. */
+ /* Whether the clock supports precise system-device cross timestamps */
+ int cross_timestamping;
+ int rsv[13]; /* Reserved for future use. */
};
struct ptp_extts_request {
@@ -81,6 +83,13 @@ struct ptp_sys_offset {
struct ptp_clock_time ts[2 * PTP_MAX_SAMPLES + 1];
};
+struct ptp_sys_offset_precise {
+ struct ptp_clock_time device;
+ struct ptp_clock_time sys_realtime;
+ struct ptp_clock_time sys_monoraw;
+ unsigned int rsv[4]; /* Reserved for future use. */
+};
+
enum ptp_pin_function {
PTP_PF_NONE,
PTP_PF_EXTTS,
@@ -124,6 +133,8 @@ struct ptp_pin_desc {
#define PTP_SYS_OFFSET _IOW(PTP_CLK_MAGIC, 5, struct ptp_sys_offset)
#define PTP_PIN_GETFUNC _IOWR(PTP_CLK_MAGIC, 6, struct ptp_pin_desc)
#define PTP_PIN_SETFUNC _IOW(PTP_CLK_MAGIC, 7, struct ptp_pin_desc)
+#define PTP_SYS_OFFSET_PRECISE \
+ _IOWR(PTP_CLK_MAGIC, 8, struct ptp_sys_offset_precise)
struct ptp_extts_event {
struct ptp_clock_time t; /* Time event occured. */