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Commit 881fccb8 authored by Don Hiatt's avatar Don Hiatt Committed by Doug Ledford
Browse files

IB/hfi1: Add rvt_rnr_tbl_to_usec function 



Return usec from an index into ib_rvt_rnr_table.

Reviewed-by: default avatarMike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: default avatarDon Hiatt <don.hiatt@intel.com>
Signed-off-by: default avatarDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent db069ecb

drivers/infiniband/sw/rdmavt/qp.c

+11 −0
Original line number Diff line number Diff line
@@ -1954,6 +1954,17 @@ void rvt_rc_error(struct rvt_qp *qp, enum ib_wc_status err) 
}

EXPORT_SYMBOL(rvt_rc_error);



/*

 *  rvt_rnr_tbl_to_usec - return index into ib_rvt_rnr_table

 *  @index - the index

 *  return usec from an index into ib_rvt_rnr_table

 */

unsigned long rvt_rnr_tbl_to_usec(u32 index)

{

	return ib_rvt_rnr_table[(index & RVT_AETH_CREDIT_MASK)];

}

EXPORT_SYMBOL(rvt_rnr_tbl_to_usec);



static inline unsigned long rvt_aeth_to_usec(u32 aeth)

{

	return ib_rvt_rnr_table[(aeth >> RVT_AETH_CREDIT_SHIFT) &

include/rdma/rdmavt_qp.h

+1 −0
Original line number Diff line number Diff line
@@ -653,6 +653,7 @@ struct rvt_dev_info; 
void rvt_comm_est(struct rvt_qp *qp);

int rvt_error_qp(struct rvt_qp *qp, enum ib_wc_status err);

void rvt_rc_error(struct rvt_qp *qp, enum ib_wc_status err);

unsigned long rvt_rnr_tbl_to_usec(u32 index);

enum hrtimer_restart rvt_rc_rnr_retry(struct hrtimer *t);

void rvt_add_rnr_timer(struct rvt_qp *qp, u32 aeth);

void rvt_del_timers_sync(struct rvt_qp *qp);