/**
* i40e_ptp_gettime - Get the time of the PHC
* @ptp: The PTP clock structure
* @ts: timespec structure to hold the current time value
*
* Read the device clock and return the correct value on ns, after converting it
* into a timespec struct.
**/
static int i40e_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
{
struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps);
mutex_lock(&pf->tmreg_lock);
i40e_ptp_read(pf, ts);
mutex_unlock(&pf->tmreg_lock);
return 0;
}
/**
* i40e_ptp_gettime - Get the time of the PHC
* @ptp: The PTP clock structure
* @ts: timespec structure to hold the current time value
*
* Read the device clock and return the correct value on ns, after converting it
* into a timespec struct.
**/
static int i40e_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
{
struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps);
unsigned long flags;
spin_lock_irqsave(&pf->tmreg_lock, flags);
i40e_ptp_read(pf, ts);
spin_unlock_irqrestore(&pf->tmreg_lock, flags);
return 0;
}
/**
* i40e_ptp_adjtime - Adjust the PHC time
* @ptp: The PTP clock structure
* @delta: Offset in nanoseconds to adjust the PHC time by
*
* Adjust the frequency of the PHC by the indicated parts per billion from the
* base frequency.
**/
static int i40e_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
{
struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps);
struct timespec64 now;
mutex_lock(&pf->tmreg_lock);
i40e_ptp_read(pf, &now);
timespec64_add_ns(&now, delta);
i40e_ptp_write(pf, (const struct timespec64 *)&now);
mutex_unlock(&pf->tmreg_lock);
return 0;
}
/**
* i40e_ptp_adjtime - Adjust the PHC time
* @ptp: The PTP clock structure
* @delta: Offset in nanoseconds to adjust the PHC time by
*
* Adjust the frequency of the PHC by the indicated parts per billion from the
* base frequency.
**/
static int i40e_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
{
struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps);
struct timespec64 now, then;
then = ns_to_timespec64(delta);
mutex_lock(&pf->tmreg_lock);
i40e_ptp_read(pf, &now, NULL);
now = timespec64_add(now, then);
i40e_ptp_write(pf, (const struct timespec64 *)&now);
mutex_unlock(&pf->tmreg_lock);
return 0;
}
/**
* i40e_ptp_adjtime - Adjust the PHC time
* @ptp: The PTP clock structure
* @delta: Offset in nanoseconds to adjust the PHC time by
*
* Adjust the frequency of the PHC by the indicated parts per billion from the
* base frequency.
**/
static int i40e_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
{
struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps);
struct timespec64 now, then = ns_to_timespec64(delta);
unsigned long flags;
spin_lock_irqsave(&pf->tmreg_lock, flags);
i40e_ptp_read(pf, &now);
now = timespec64_add(now, then);
i40e_ptp_write(pf, (const struct timespec64 *)&now);
spin_unlock_irqrestore(&pf->tmreg_lock, flags);
return 0;
}