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Commit 8f1764fa authored by Dennis Dalessandro's avatar Dennis Dalessandro Committed by Doug Ledford
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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: default avatarMike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: default avatarDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 15723f06

drivers/staging/rdma/hfi1/verbs.c

+24 −0
Original line number Diff line number Diff line
@@ -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 |