diff options
Diffstat (limited to 'drivers/infiniband/hw/efa/efa_verbs.c')
| -rw-r--r-- | drivers/infiniband/hw/efa/efa_verbs.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c index 2f412db2edcd..8f7a13b79cdc 100644 --- a/drivers/infiniband/hw/efa/efa_verbs.c +++ b/drivers/infiniband/hw/efa/efa_verbs.c @@ -263,6 +263,9 @@ int efa_query_device(struct ib_device *ibdev, if (EFA_DEV_CAP(dev, RDMA_WRITE)) resp.device_caps |= EFA_QUERY_DEVICE_CAPS_RDMA_WRITE; + if (EFA_DEV_CAP(dev, UNSOLICITED_WRITE_RECV)) + resp.device_caps |= EFA_QUERY_DEVICE_CAPS_UNSOLICITED_WRITE_RECV; + if (dev->neqs) resp.device_caps |= EFA_QUERY_DEVICE_CAPS_CQ_NOTIFICATIONS; @@ -639,6 +642,7 @@ int efa_create_qp(struct ib_qp *ibqp, struct ib_qp_init_attr *init_attr, struct efa_ibv_create_qp cmd = {}; struct efa_qp *qp = to_eqp(ibqp); struct efa_ucontext *ucontext; + u16 supported_efa_flags = 0; int err; ucontext = rdma_udata_to_drv_context(udata, struct efa_ucontext, @@ -676,13 +680,23 @@ int efa_create_qp(struct ib_qp *ibqp, struct ib_qp_init_attr *init_attr, goto err_out; } - if (cmd.comp_mask) { + if (cmd.comp_mask || !is_reserved_cleared(cmd.reserved_90)) { ibdev_dbg(&dev->ibdev, "Incompatible ABI params, unknown fields in udata\n"); err = -EINVAL; goto err_out; } + if (EFA_DEV_CAP(dev, UNSOLICITED_WRITE_RECV)) + supported_efa_flags |= EFA_CREATE_QP_WITH_UNSOLICITED_WRITE_RECV; + + if (cmd.flags & ~supported_efa_flags) { + ibdev_dbg(&dev->ibdev, "Unsupported EFA QP create flags[%#x], supported[%#x]\n", + cmd.flags, supported_efa_flags); + err = -EOPNOTSUPP; + goto err_out; + } + create_qp_params.uarn = ucontext->uarn; create_qp_params.pd = to_epd(ibqp->pd)->pdn; @@ -722,6 +736,9 @@ int efa_create_qp(struct ib_qp *ibqp, struct ib_qp_init_attr *init_attr, create_qp_params.rq_base_addr = qp->rq_dma_addr; } + if (cmd.flags & EFA_CREATE_QP_WITH_UNSOLICITED_WRITE_RECV) + create_qp_params.unsolicited_write_recv = true; + err = efa_com_create_qp(&dev->edev, &create_qp_params, &create_qp_resp); if (err) |