IB/hfi1: Add rvt_rnr_tbl_to_usec function
Return usec from an index into ib_rvt_rnr_table. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Don Hiatt <don.hiatt@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
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@ -1954,6 +1954,17 @@ void rvt_rc_error(struct rvt_qp *qp, enum ib_wc_status err)
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}
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EXPORT_SYMBOL(rvt_rc_error);
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/*
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* rvt_rnr_tbl_to_usec - return index into ib_rvt_rnr_table
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* @index - the index
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* return usec from an index into ib_rvt_rnr_table
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*/
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unsigned long rvt_rnr_tbl_to_usec(u32 index)
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{
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return ib_rvt_rnr_table[(index & RVT_AETH_CREDIT_MASK)];
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}
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EXPORT_SYMBOL(rvt_rnr_tbl_to_usec);
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static inline unsigned long rvt_aeth_to_usec(u32 aeth)
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{
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return ib_rvt_rnr_table[(aeth >> RVT_AETH_CREDIT_SHIFT) &
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@ -653,6 +653,7 @@ struct rvt_dev_info;
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void rvt_comm_est(struct rvt_qp *qp);
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int rvt_error_qp(struct rvt_qp *qp, enum ib_wc_status err);
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void rvt_rc_error(struct rvt_qp *qp, enum ib_wc_status err);
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unsigned long rvt_rnr_tbl_to_usec(u32 index);
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enum hrtimer_restart rvt_rc_rnr_retry(struct hrtimer *t);
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void rvt_add_rnr_timer(struct rvt_qp *qp, u32 aeth);
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void rvt_del_timers_sync(struct rvt_qp *qp);
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