aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/include/uapi/linux/ptp_clock.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/uapi/linux/ptp_clock.h')
-rw-r--r--include/uapi/linux/ptp_clock.h42
1 files changed, 32 insertions, 10 deletions
diff --git a/include/uapi/linux/ptp_clock.h b/include/uapi/linux/ptp_clock.h
index 1d108d597f66..18eefa6d93d6 100644
--- a/include/uapi/linux/ptp_clock.h
+++ b/include/uapi/linux/ptp_clock.h
@@ -32,6 +32,7 @@
#define PTP_RISING_EDGE (1<<1)
#define PTP_FALLING_EDGE (1<<2)
#define PTP_STRICT_FLAGS (1<<3)
+#define PTP_EXT_OFFSET (1<<4)
#define PTP_EXTTS_EDGES (PTP_RISING_EDGE | PTP_FALLING_EDGE)
/*
@@ -40,7 +41,8 @@
#define PTP_EXTTS_VALID_FLAGS (PTP_ENABLE_FEATURE | \
PTP_RISING_EDGE | \
PTP_FALLING_EDGE | \
- PTP_STRICT_FLAGS)
+ PTP_STRICT_FLAGS | \
+ PTP_EXT_OFFSET)
/*
* flag fields valid for the original PTP_EXTTS_REQUEST ioctl.
@@ -51,6 +53,11 @@
PTP_FALLING_EDGE)
/*
+ * flag fields valid for the ptp_extts_event report.
+ */
+#define PTP_EXTTS_EVENT_VALID (PTP_ENABLE_FEATURE)
+
+/*
* Bits of the ptp_perout_request.flags field:
*/
#define PTP_PEROUT_ONE_SHOT (1<<0)
@@ -95,7 +102,8 @@ struct ptp_clock_caps {
int cross_timestamping;
/* Whether the clock supports adjust phase */
int adjust_phase;
- int rsv[12]; /* Reserved for future use. */
+ int max_phase_adj; /* Maximum phase adjustment in nanoseconds. */
+ int rsv[11]; /* Reserved for future use. */
};
struct ptp_extts_request {
@@ -147,13 +155,25 @@ struct ptp_sys_offset {
struct ptp_clock_time ts[2 * PTP_MAX_SAMPLES + 1];
};
+/*
+ * ptp_sys_offset_extended - data structure for IOCTL operation
+ * PTP_SYS_OFFSET_EXTENDED
+ *
+ * @n_samples: Desired number of measurements.
+ * @clockid: clockid of a clock-base used for pre/post timestamps.
+ * @rsv: Reserved for future use.
+ * @ts: Array of samples in the form [pre-TS, PHC, post-TS]. The
+ * kernel provides @n_samples.
+ *
+ * Starting from kernel 6.12 and onwards, the first word of the reserved-field
+ * is used for @clockid. That's backward compatible since previous kernel
+ * expect all three reserved words (@rsv[3]) to be 0 while the clockid (first
+ * word in the new structure) for CLOCK_REALTIME is '0'.
+ */
struct ptp_sys_offset_extended {
- unsigned int n_samples; /* Desired number of measurements. */
- unsigned int rsv[3]; /* Reserved for future use. */
- /*
- * Array of [system, phc, system] time stamps. The kernel will provide
- * 3*n_samples time stamps.
- */
+ unsigned int n_samples;
+ __kernel_clockid_t clockid;
+ unsigned int rsv[2];
struct ptp_clock_time ts[PTP_MAX_SAMPLES][3];
};
@@ -223,11 +243,13 @@ struct ptp_pin_desc {
_IOWR(PTP_CLK_MAGIC, 17, struct ptp_sys_offset_precise)
#define PTP_SYS_OFFSET_EXTENDED2 \
_IOWR(PTP_CLK_MAGIC, 18, struct ptp_sys_offset_extended)
+#define PTP_MASK_CLEAR_ALL _IO(PTP_CLK_MAGIC, 19)
+#define PTP_MASK_EN_SINGLE _IOW(PTP_CLK_MAGIC, 20, unsigned int)
struct ptp_extts_event {
- struct ptp_clock_time t; /* Time event occured. */
+ struct ptp_clock_time t; /* Time event occurred. */
unsigned int index; /* Which channel produced the event. */
- unsigned int flags; /* Reserved for future use. */
+ unsigned int flags; /* Event type. */
unsigned int rsv[2]; /* Reserved for future use. */
};