06bc197796
Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com> Reviewed-by: Andy Moreton <amoreton@solarflare.com> Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
132 lines
3.4 KiB
C
132 lines
3.4 KiB
C
/*-
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* Copyright (c) 2016 Solarflare Communications Inc.
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* All rights reserved.
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*
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* This software was jointly developed between OKTET Labs (under contract
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* for Solarflare) and Solarflare Communications, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "efx.h"
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#include "sfc.h"
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#include "sfc_log.h"
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int
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sfc_intr_start(struct sfc_adapter *sa)
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{
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struct sfc_intr *intr = &sa->intr;
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struct rte_intr_handle *intr_handle;
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struct rte_pci_device *pci_dev;
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int rc;
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sfc_log_init(sa, "entry");
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/*
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* The EFX common code event queue module depends on the interrupt
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* module. Ensure that the interrupt module is always initialized
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* (even if interrupts are not used). Status memory is required
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* for Siena only and may be NULL for EF10.
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*/
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sfc_log_init(sa, "efx_intr_init");
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rc = efx_intr_init(sa->nic, intr->type, NULL);
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if (rc != 0)
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goto fail_intr_init;
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pci_dev = SFC_DEV_TO_PCI(sa->eth_dev);
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intr_handle = &pci_dev->intr_handle;
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sfc_log_init(sa, "done type=%u max_intr=%d nb_efd=%u vec=%p",
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intr_handle->type, intr_handle->max_intr,
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intr_handle->nb_efd, intr_handle->intr_vec);
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return 0;
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fail_intr_init:
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sfc_log_init(sa, "failed %d", rc);
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return rc;
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}
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void
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sfc_intr_stop(struct sfc_adapter *sa)
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{
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sfc_log_init(sa, "entry");
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efx_intr_fini(sa->nic);
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sfc_log_init(sa, "done");
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}
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int
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sfc_intr_init(struct sfc_adapter *sa)
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{
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sfc_log_init(sa, "entry");
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sfc_log_init(sa, "done");
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return 0;
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}
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void
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sfc_intr_fini(struct sfc_adapter *sa)
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{
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sfc_log_init(sa, "entry");
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sfc_log_init(sa, "done");
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}
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int
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sfc_intr_attach(struct sfc_adapter *sa)
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{
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struct sfc_intr *intr = &sa->intr;
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struct rte_pci_device *pci_dev = SFC_DEV_TO_PCI(sa->eth_dev);
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sfc_log_init(sa, "entry");
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switch (pci_dev->intr_handle.type) {
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#ifdef RTE_EXEC_ENV_LINUXAPP
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case RTE_INTR_HANDLE_VFIO_LEGACY:
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intr->type = EFX_INTR_LINE;
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break;
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case RTE_INTR_HANDLE_VFIO_MSI:
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case RTE_INTR_HANDLE_VFIO_MSIX:
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intr->type = EFX_INTR_MESSAGE;
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break;
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#endif
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default:
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intr->type = EFX_INTR_INVALID;
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break;
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}
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sfc_log_init(sa, "done");
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return 0;
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}
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void
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sfc_intr_detach(struct sfc_adapter *sa)
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{
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sfc_log_init(sa, "entry");
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sa->intr.type = EFX_INTR_INVALID;
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sfc_log_init(sa, "done");
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}
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