diff options
Diffstat (limited to 'drivers/infiniband/sw/rdmavt/qp.c')
| -rw-r--r-- | drivers/infiniband/sw/rdmavt/qp.c | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/drivers/infiniband/sw/rdmavt/qp.c b/drivers/infiniband/sw/rdmavt/qp.c index 9177df60742a..c82e6bb3d77c 100644 --- a/drivers/infiniband/sw/rdmavt/qp.c +++ b/drivers/infiniband/sw/rdmavt/qp.c @@ -269,7 +269,7 @@ no_qp_table: /** * free_all_qps - check for QPs still in use - * @qpt: the QP table to empty + * @rdi: rvt device info structure * * There should not be any QPs still in use. * Free memory for table. @@ -335,9 +335,9 @@ static inline unsigned mk_qpn(struct rvt_qpn_table *qpt, /** * alloc_qpn - Allocate the next available qpn or zero/one for QP type * IB_QPT_SMI/IB_QPT_GSI - *@rdi: rvt device info structure - *@qpt: queue pair number table pointer - *@port_num: IB port number, 1 based, comes from core + * @rdi: rvt device info structure + * @qpt: queue pair number table pointer + * @port_num: IB port number, 1 based, comes from core * * Return: The queue pair number */ @@ -1650,9 +1650,9 @@ static inline int rvt_qp_valid_operation( /** * rvt_qp_is_avail - determine queue capacity - * @qp - the qp - * @rdi - the rdmavt device - * @reserved_op - is reserved operation + * @qp: the qp + * @rdi: the rdmavt device + * @reserved_op: is reserved operation * * This assumes the s_hlock is held but the s_last * qp variable is uncontrolled. @@ -1684,7 +1684,6 @@ static inline int rvt_qp_is_avail( /* non-reserved operations */ if (likely(qp->s_avail)) return 0; - smp_read_barrier_depends(); /* see rc.c */ slast = READ_ONCE(qp->s_last); if (qp->s_head >= slast) avail = qp->s_size - (qp->s_head - slast); @@ -2075,6 +2074,7 @@ void rvt_add_rnr_timer(struct rvt_qp *qp, u32 aeth) lockdep_assert_held(&qp->s_lock); qp->s_flags |= RVT_S_WAIT_RNR; to = rvt_aeth_to_usec(aeth); + trace_rvt_rnrnak_add(qp, to); hrtimer_start(&qp->s_rnr_timer, ns_to_ktime(1000 * to), HRTIMER_MODE_REL); } @@ -2104,17 +2104,14 @@ EXPORT_SYMBOL(rvt_stop_rc_timers); * stop an rnr timer and return if the timer * had been pending. */ -static int rvt_stop_rnr_timer(struct rvt_qp *qp) +static void rvt_stop_rnr_timer(struct rvt_qp *qp) { - int rval = 0; - lockdep_assert_held(&qp->s_lock); /* Remove QP from rnr timer */ if (qp->s_flags & RVT_S_WAIT_RNR) { qp->s_flags &= ~RVT_S_WAIT_RNR; - rval = hrtimer_try_to_cancel(&qp->s_rnr_timer); + trace_rvt_rnrnak_stop(qp, 0); } - return rval; } /** @@ -2167,6 +2164,7 @@ enum hrtimer_restart rvt_rc_rnr_retry(struct hrtimer *t) spin_lock_irqsave(&qp->s_lock, flags); rvt_stop_rnr_timer(qp); + trace_rvt_rnrnak_timeout(qp, 0); rdi->driver_f.schedule_send(qp); spin_unlock_irqrestore(&qp->s_lock, flags); return HRTIMER_NORESTART; @@ -2175,8 +2173,8 @@ EXPORT_SYMBOL(rvt_rc_rnr_retry); /** * rvt_qp_iter_init - initial for QP iteration - * @rdi - rvt devinfo - * @v - u64 value + * @rdi: rvt devinfo + * @v: u64 value * * This returns an iterator suitable for iterating QPs * in the system. |