diff options
| author | Dennis Dalessandro <dennis.dalessandro@intel.com> | 2016-01-19 22:42:22 (GMT) |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-03-11 01:37:38 (GMT) |
| commit | 8f1764fa2ba5a39c651316998f40631e8492081d (patch) | |
| tree | 9b746ba23059bba304025e9b7cdc2aa2193d5ce9 /drivers | |
| parent | 15723f06fb9d80cbfd895c32c6023881c7d0e0b4 (diff) | |
| download | linux-8f1764fa2ba5a39c651316998f40631e8492081d.tar.xz | |
staging/rdma/hfi1: Implement hfi1 support for AH notification
For OPA devices additional work is required to create an AH.
This patch adds support to set the VL correctly.
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/rdma/hfi1/verbs.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/staging/rdma/hfi1/verbs.c b/drivers/staging/rdma/hfi1/verbs.c index 021e211..657efd3 100644 --- a/drivers/staging/rdma/hfi1/verbs.c +++ b/drivers/staging/rdma/hfi1/verbs.c @@ -1630,6 +1630,29 @@ static int hfi1_check_ah(struct ib_device *ibdev, struct ib_ah_attr *ah_attr) return 0; } +static void hfi1_notify_new_ah(struct ib_device *ibdev, + struct ib_ah_attr *ah_attr, + struct rvt_ah *ah) +{ + struct hfi1_ibport *ibp; + struct hfi1_pportdata *ppd; + struct hfi1_devdata *dd; + u8 sc5; + + /* + * Do not trust reading anything from rvt_ah at this point as it is not + * done being setup. We can however modify things which we need to set. + */ + + ibp = to_iport(ibdev, ah_attr->port_num); + ppd = ppd_from_ibp(ibp); + sc5 = ibp->sl_to_sc[ah->attr.sl]; + dd = dd_from_ppd(ppd); + ah->vl = sc_to_vlt(dd, sc5); + if (ah->vl < num_vls || ah->vl == 15) + ah->log_pmtu = ilog2(dd->vld[ah->vl].mtu); +} + struct ib_ah *hfi1_create_qp0_ah(struct hfi1_ibport *ibp, u16 dlid) { struct ib_ah_attr attr; @@ -1919,6 +1942,7 @@ int hfi1_register_ib_device(struct hfi1_devdata *dd) dd->verbs_dev.rdi.driver_f.get_card_name = get_card_name; dd->verbs_dev.rdi.driver_f.get_pci_dev = get_pci_dev; dd->verbs_dev.rdi.driver_f.check_ah = hfi1_check_ah; + dd->verbs_dev.rdi.driver_f.notify_new_ah = hfi1_notify_new_ah; dd->verbs_dev.rdi.dparms.props.max_ah = hfi1_max_ahs; dd->verbs_dev.rdi.dparms.props.max_pd = hfi1_max_pds; dd->verbs_dev.rdi.flags = (RVT_FLAG_MR_INIT_DRIVER | |