diff options
| author | Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com> | 2017-11-06 17:38:52 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-11-13 23:53:57 +0300 |
| commit | cc9a97ea2c74e8270f3d77d1fd4711c6fc866d7f (patch) | |
| tree | 8fdee66ed62f843f73ca12018f3fb48ed5298d45 /drivers/infiniband/hw/hfi1/vnic_main.c | |
| parent | e4c397eed9c93fc1cb34f7d8df96afeb320d535d (diff) | |
| download | linux-cc9a97ea2c74e8270f3d77d1fd4711c6fc866d7f.tar.xz | |
IB/hfi1: Do not allocate PIO send contexts for VNIC
OPA VNIC does not use PIO contexts and instead only uses SDMA
engines. Do not allocate PIO contexts for VNIC ports.
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@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/vnic_main.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/vnic_main.c | 37 |
1 files changed, 2 insertions, 35 deletions
diff --git a/drivers/infiniband/hw/hfi1/vnic_main.c b/drivers/infiniband/hw/hfi1/vnic_main.c index 1a17708be46a..5d65582fe4d9 100644 --- a/drivers/infiniband/hw/hfi1/vnic_main.c +++ b/drivers/infiniband/hw/hfi1/vnic_main.c @@ -67,8 +67,6 @@ static int setup_vnic_ctxt(struct hfi1_devdata *dd, struct hfi1_ctxtdata *uctxt) unsigned int rcvctrl_ops = 0; int ret; - hfi1_init_ctxt(uctxt->sc); - uctxt->do_interrupt = &handle_receive_interrupt; /* Now allocate the RcvHdr queue and eager buffers. */ @@ -96,8 +94,6 @@ static int setup_vnic_ctxt(struct hfi1_devdata *dd, struct hfi1_ctxtdata *uctxt) rcvctrl_ops |= HFI1_RCVCTRL_TAILUPD_ENB; hfi1_rcvctrl(uctxt->dd, rcvctrl_ops, uctxt); - - uctxt->is_vnic = true; done: return ret; } @@ -122,20 +118,7 @@ static int allocate_vnic_ctxt(struct hfi1_devdata *dd, HFI1_CAP_KGET(NODROP_EGR_FULL) | HFI1_CAP_KGET(DMA_RTAIL); uctxt->seq_cnt = 1; - - /* Allocate and enable a PIO send context */ - uctxt->sc = sc_alloc(dd, SC_VNIC, uctxt->rcvhdrqentsize, - uctxt->numa_id); - - ret = uctxt->sc ? 0 : -ENOMEM; - if (ret) - goto bail; - - dd_dev_dbg(dd, "allocated vnic send context %u(%u)\n", - uctxt->sc->sw_index, uctxt->sc->hw_context); - ret = sc_enable(uctxt->sc); - if (ret) - goto bail; + uctxt->is_vnic = true; if (dd->num_msix_entries) hfi1_set_vnic_msix_info(uctxt); @@ -144,11 +127,7 @@ static int allocate_vnic_ctxt(struct hfi1_devdata *dd, dd_dev_dbg(dd, "created vnic context %d\n", uctxt->ctxt); *vnic_ctxt = uctxt; - return ret; -bail: - hfi1_free_ctxt(uctxt); - dd_dev_dbg(dd, "vnic allocation failed. rc %d\n", ret); - return ret; + return 0; } static void deallocate_vnic_ctxt(struct hfi1_devdata *dd, @@ -170,18 +149,6 @@ static void deallocate_vnic_ctxt(struct hfi1_devdata *dd, HFI1_RCVCTRL_ONE_PKT_EGR_DIS | HFI1_RCVCTRL_NO_RHQ_DROP_DIS | HFI1_RCVCTRL_NO_EGR_DROP_DIS, uctxt); - /* - * VNIC contexts are allocated from user context pool. - * Release them back to user context pool. - * - * Reset context integrity checks to default. - * (writes to CSRs probably belong in chip.c) - */ - write_kctxt_csr(dd, uctxt->sc->hw_context, SEND_CTXT_CHECK_ENABLE, - hfi1_pkt_default_send_ctxt_mask(dd, SC_USER)); - sc_disable(uctxt->sc); - - dd->send_contexts[uctxt->sc->sw_index].type = SC_USER; uctxt->event_flags = 0; |