diff options
Diffstat (limited to 'drivers/infiniband/hw/hfi1/msix.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/msix.c | 89 |
1 files changed, 32 insertions, 57 deletions
diff --git a/drivers/infiniband/hw/hfi1/msix.c b/drivers/infiniband/hw/hfi1/msix.c index db82db497b2c..77d2ece9a9cb 100644 --- a/drivers/infiniband/hw/hfi1/msix.c +++ b/drivers/infiniband/hw/hfi1/msix.c @@ -1,54 +1,12 @@ // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) /* - * Copyright(c) 2018 Intel Corporation. - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * BSD LICENSE - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * + * Copyright(c) 2018 - 2020 Intel Corporation. */ #include "hfi.h" #include "affinity.h" #include "sdma.h" +#include "netdev.h" /** * msix_initialize() - Calculate, request and configure MSIx IRQs @@ -69,7 +27,7 @@ int msix_initialize(struct hfi1_devdata *dd) * one for each VNIC context * ...any new IRQs should be added here. */ - total = 1 + dd->num_sdma + dd->n_krcv_queues + dd->num_vnic_contexts; + total = 1 + dd->num_sdma + dd->n_krcv_queues + dd->num_netdev_contexts; if (total >= CCE_NUM_MSIX_VECTORS) return -EINVAL; @@ -102,8 +60,8 @@ int msix_initialize(struct hfi1_devdata *dd) * @arg: context information for the IRQ * @handler: IRQ handler * @thread: IRQ thread handler (could be NULL) - * @idx: zero base idx if multiple devices are needed * @type: affinty IRQ type + * @name: IRQ name * * Allocated an MSIx vector if available, and then create the appropriate * meta data needed to keep track of the pci IRQ request. @@ -140,7 +98,7 @@ static int msix_request_irq(struct hfi1_devdata *dd, void *arg, ret = pci_request_irq(dd->pcidev, nr, handler, thread, arg, name); if (ret) { dd_dev_err(dd, - "%s: request for IRQ %d failed, MSIx %lu, err %d\n", + "%s: request for IRQ %d failed, MSIx %lx, err %d\n", name, irq, nr, ret); spin_lock(&dd->msix_info.msix_lock); __clear_bit(nr, dd->msix_info.in_use_msix); @@ -160,7 +118,7 @@ static int msix_request_irq(struct hfi1_devdata *dd, void *arg, /* This is a request, so a failure is not fatal */ ret = hfi1_get_irq_affinity(dd, me); if (ret) - dd_dev_err(dd, "unable to pin IRQ %d\n", ret); + dd_dev_err(dd, "%s: unable to pin IRQ %d\n", name, ret); return nr; } @@ -171,7 +129,8 @@ static int msix_request_rcd_irq_common(struct hfi1_ctxtdata *rcd, const char *name) { int nr = msix_request_irq(rcd->dd, rcd, handler, thread, - IRQ_RCVCTXT, name); + rcd->is_vnic ? IRQ_NETDEVCTXT : IRQ_RCVCTXT, + name); if (nr < 0) return nr; @@ -204,7 +163,22 @@ int msix_request_rcd_irq(struct hfi1_ctxtdata *rcd) } /** - * msix_request_smda_ira() - Helper for getting SDMA IRQ resources + * msix_netdev_request_rcd_irq - Helper function for RCVAVAIL IRQs + * for netdev context + * @rcd: valid netdev contexti + */ +int msix_netdev_request_rcd_irq(struct hfi1_ctxtdata *rcd) +{ + char name[MAX_NAME_SIZE]; + + snprintf(name, sizeof(name), DRIVER_NAME "_%d nd kctxt%d", + rcd->dd->unit, rcd->ctxt); + return msix_request_rcd_irq_common(rcd, receive_context_interrupt_napi, + NULL, name); +} + +/** + * msix_request_sdma_irq - Helper for getting SDMA IRQ resources * @sde: valid sdma engine * */ @@ -226,7 +200,7 @@ int msix_request_sdma_irq(struct sdma_engine *sde) } /** - * msix_request_general_irq(void) - Helper for getting general IRQ + * msix_request_general_irq - Helper for getting general IRQ * resources * @dd: valid device data */ @@ -252,7 +226,7 @@ int msix_request_general_irq(struct hfi1_devdata *dd) } /** - * enable_sdma_src() - Helper to enable SDMA IRQ srcs + * enable_sdma_srcs - Helper to enable SDMA IRQ srcs * @dd: valid devdata structure * @i: index of SDMA engine */ @@ -332,7 +306,7 @@ void msix_free_irq(struct hfi1_devdata *dd, u8 msix_intr) } /** - * hfi1_clean_up_msix_interrupts() - Free all MSIx IRQ resources + * msix_clean_up_interrupts - Free all MSIx IRQ resources * @dd: valid device data data structure * * Free the MSIx and associated PCI resources, if they have been allocated. @@ -355,15 +329,16 @@ void msix_clean_up_interrupts(struct hfi1_devdata *dd) } /** - * msix_vnic_syncrhonize_irq() - Vnic IRQ synchronize + * msix_netdev_synchronize_irq - netdev IRQ synchronize * @dd: valid devdata */ -void msix_vnic_synchronize_irq(struct hfi1_devdata *dd) +void msix_netdev_synchronize_irq(struct hfi1_devdata *dd) { int i; + int ctxt_count = hfi1_netdev_ctxt_count(dd); - for (i = 0; i < dd->vnic.num_ctxt; i++) { - struct hfi1_ctxtdata *rcd = dd->vnic.ctxt[i]; + for (i = 0; i < ctxt_count; i++) { + struct hfi1_ctxtdata *rcd = hfi1_netdev_get_ctxt(dd, i); struct hfi1_msix_entry *me; me = &dd->msix_info.msix_entries[rcd->msix_intr]; |