From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dennis Dalessandro Subject: [RFC PATCH 10/27] IB/hfi1: Implement hfi1 support for AH notification Date: Sat, 09 Jan 2016 07:17:33 -0800 Message-ID: <20160109151733.30800.6500.stgit@scvm10.sc.intel.com> References: <20160109151020.30800.82395.stgit@scvm10.sc.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20160109151020.30800.82395.stgit-9QXIwq+3FY+1XWohqUldA0EOCMrvLtNR@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Mike Marciniszyn List-Id: linux-rdma@vger.kernel.org For OPA devices additional work is required to create an AH. This patch adds support to set the VL correctly. Reviewed-by: Mike Marciniszyn Signed-off-by: Dennis Dalessandro --- 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 f66d630..0ac39e1 100644 --- a/drivers/staging/rdma/hfi1/verbs.c +++ b/drivers/staging/rdma/hfi1/verbs.c @@ -1641,6 +1641,29 @@ 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; @@ -1930,6 +1953,7 @@ 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 | -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html