From b9e03e0489a8616fc415e62128d05ad0159a20a2 Mon Sep 17 00:00:00 2001 From: Ralph Campbell Date: Thu, 17 Jun 2010 23:13:54 +0000 Subject: IB/qib: Mask hardware error during link reset The HCA checks for certain hardware errors which can be falsely triggered when the IB link is reset. The fix is to mask them rather than report them. Signed-off-by: Ralph Campbell Signed-off-by: Roland Dreier --- drivers/infiniband/hw/qib/qib_iba7322.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'drivers/infiniband/hw/qib/qib_iba7322.c') diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c index 3e9828be501..8ee0ac6246e 100644 --- a/drivers/infiniband/hw/qib/qib_iba7322.c +++ b/drivers/infiniband/hw/qib/qib_iba7322.c @@ -1100,9 +1100,9 @@ static const struct qib_hwerror_msgs qib_7322_hwerror_msgs[] = { HWE_AUTO_P(SDmaMemReadErr, 1), HWE_AUTO_P(SDmaMemReadErr, 0), HWE_AUTO_P(IBCBusFromSPCParityErr, 1), + HWE_AUTO_P(IBCBusToSPCParityErr, 1), HWE_AUTO_P(IBCBusFromSPCParityErr, 0), - HWE_AUTO_P(statusValidNoEop, 1), - HWE_AUTO_P(statusValidNoEop, 0), + HWE_AUTO(statusValidNoEop), HWE_AUTO(LATriggered), { .mask = 0 } }; @@ -4763,6 +4763,8 @@ static void qib_7322_mini_pcs_reset(struct qib_pportdata *ppd) SYM_MASK(IBPCSConfig_0, tx_rx_reset); val = qib_read_kreg_port(ppd, krp_ib_pcsconfig); + qib_write_kreg(dd, kr_hwerrmask, + dd->cspec->hwerrmask & ~HWE_MASK(statusValidNoEop)); qib_write_kreg_port(ppd, krp_ibcctrl_a, ppd->cpspec->ibcctrl_a & ~SYM_MASK(IBCCtrlA_0, IBLinkEn)); @@ -4772,6 +4774,9 @@ static void qib_7322_mini_pcs_reset(struct qib_pportdata *ppd) qib_write_kreg_port(ppd, krp_ib_pcsconfig, val & ~reset_bits); qib_write_kreg_port(ppd, krp_ibcctrl_a, ppd->cpspec->ibcctrl_a); qib_write_kreg(dd, kr_scratch, 0ULL); + qib_write_kreg(dd, kr_hwerrclear, + SYM_MASK(HwErrClear, statusValidNoEopClear)); + qib_write_kreg(dd, kr_hwerrmask, dd->cspec->hwerrmask); } /* -- cgit v1.2.3