+/*-
+ * Copyright (c) 2016 Solarflare Communications Inc.
+ * All rights reserved.
+ *
+ * This software was jointly developed between OKTET Labs (under contract
+ * for Solarflare) and Solarflare Communications, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * 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.
+ */
+
+#include "efx.h"
+
+#include "sfc.h"
+#include "sfc_log.h"
+
+int
+sfc_intr_start(struct sfc_adapter *sa)
+{
+ struct sfc_intr *intr = &sa->intr;
+ struct rte_intr_handle *intr_handle;
+ struct rte_pci_device *pci_dev;
+ int rc;
+
+ sfc_log_init(sa, "entry");
+
+ /*
+ * The EFX common code event queue module depends on the interrupt
+ * module. Ensure that the interrupt module is always initialized
+ * (even if interrupts are not used). Status memory is required
+ * for Siena only and may be NULL for EF10.
+ */
+ sfc_log_init(sa, "efx_intr_init");
+ rc = efx_intr_init(sa->nic, intr->type, NULL);
+ if (rc != 0)
+ goto fail_intr_init;
+
+ pci_dev = SFC_DEV_TO_PCI(sa->eth_dev);
+ intr_handle = &pci_dev->intr_handle;
+
+ sfc_log_init(sa, "done type=%u max_intr=%d nb_efd=%u vec=%p",
+ intr_handle->type, intr_handle->max_intr,
+ intr_handle->nb_efd, intr_handle->intr_vec);
+ return 0;
+
+fail_intr_init:
+ sfc_log_init(sa, "failed %d", rc);
+ return rc;
+}
+
+void
+sfc_intr_stop(struct sfc_adapter *sa)
+{
+ sfc_log_init(sa, "entry");
+
+ efx_intr_fini(sa->nic);
+
+ sfc_log_init(sa, "done");
+}
+
+int
+sfc_intr_init(struct sfc_adapter *sa)
+{
+ sfc_log_init(sa, "entry");
+
+ sfc_log_init(sa, "done");
+ return 0;
+}
+
+void
+sfc_intr_fini(struct sfc_adapter *sa)
+{
+ sfc_log_init(sa, "entry");
+
+ sfc_log_init(sa, "done");
+}
+
+int
+sfc_intr_attach(struct sfc_adapter *sa)
+{
+ struct sfc_intr *intr = &sa->intr;
+ struct rte_pci_device *pci_dev = SFC_DEV_TO_PCI(sa->eth_dev);
+
+ sfc_log_init(sa, "entry");
+
+ switch (pci_dev->intr_handle.type) {
+#ifdef RTE_EXEC_ENV_LINUXAPP
+ case RTE_INTR_HANDLE_VFIO_LEGACY:
+ intr->type = EFX_INTR_LINE;
+ break;
+ case RTE_INTR_HANDLE_VFIO_MSI:
+ case RTE_INTR_HANDLE_VFIO_MSIX:
+ intr->type = EFX_INTR_MESSAGE;
+ break;
+#endif
+ default:
+ intr->type = EFX_INTR_INVALID;
+ break;
+ }
+
+ sfc_log_init(sa, "done");
+ return 0;
+}
+
+void
+sfc_intr_detach(struct sfc_adapter *sa)
+{
+ sfc_log_init(sa, "entry");
+
+ sa->intr.type = EFX_INTR_INVALID;
+
+ sfc_log_init(sa, "done");
+}