diff options
| author | Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com> | 2017-08-04 22:54:35 +0200 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-08-22 20:22:37 +0200 |
| commit | 51e658f5dd362cc8666f3f5ec1986660e3e51047 (patch) | |
| tree | bb8dd769aacb5448379dc8250ee02478862d7cc2 /drivers/infiniband/hw/hfi1/chip.c | |
| parent | IB/hfi1: Add 16B trace support (diff) | |
| download | linux-51e658f5dd362cc8666f3f5ec1986660e3e51047.tar.xz linux-51e658f5dd362cc8666f3f5ec1986660e3e51047.zip | |
IB/rdmavt, hfi1, qib: Enhance rdmavt and hfi1 to use 32 bit lids
Increase lid used in hfi1 driver to 32 bits. qib continues
to use 16 bit lids.
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@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>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/chip.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/chip.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index ee1324cce25a..cbda37386982 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -10067,10 +10067,16 @@ static void set_lidlmc(struct hfi1_pportdata *ppd) struct hfi1_devdata *dd = ppd->dd; u32 mask = ~((1U << ppd->lmc) - 1); u64 c1 = read_csr(ppd->dd, DCC_CFG_PORT_CONFIG1); + u32 lid; + /* + * Program 0 in CSR if port lid is extended. This prevents + * 9B packets being sent out for large lids. + */ + lid = (ppd->lid >= be16_to_cpu(IB_MULTICAST_LID_BASE)) ? 0 : ppd->lid; c1 &= ~(DCC_CFG_PORT_CONFIG1_TARGET_DLID_SMASK | DCC_CFG_PORT_CONFIG1_DLID_MASK_SMASK); - c1 |= ((ppd->lid & DCC_CFG_PORT_CONFIG1_TARGET_DLID_MASK) + c1 |= ((lid & DCC_CFG_PORT_CONFIG1_TARGET_DLID_MASK) << DCC_CFG_PORT_CONFIG1_TARGET_DLID_SHIFT) | ((mask & DCC_CFG_PORT_CONFIG1_DLID_MASK_MASK) << DCC_CFG_PORT_CONFIG1_DLID_MASK_SHIFT); @@ -10081,7 +10087,7 @@ static void set_lidlmc(struct hfi1_pportdata *ppd) */ sreg = ((mask & SEND_CTXT_CHECK_SLID_MASK_MASK) << SEND_CTXT_CHECK_SLID_MASK_SHIFT) | - (((ppd->lid & mask) & SEND_CTXT_CHECK_SLID_VALUE_MASK) << + (((lid & mask) & SEND_CTXT_CHECK_SLID_VALUE_MASK) << SEND_CTXT_CHECK_SLID_VALUE_SHIFT); for (i = 0; i < dd->chip_send_contexts; i++) { @@ -10091,7 +10097,7 @@ static void set_lidlmc(struct hfi1_pportdata *ppd) } /* Now we have to do the same thing for the sdma engines */ - sdma_update_lmc(dd, mask, ppd->lid); + sdma_update_lmc(dd, mask, lid); } static const char *state_completed_string(u32 completed) |