1 /*- 2 * Copyright (c) 2016 Solarflare Communications Inc. 3 * All rights reserved. 4 * 5 * This software was jointly developed between OKTET Labs (under contract 6 * for Solarflare) and Solarflare Communications, Inc. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright notice, 12 * this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright notice, 14 * this list of conditions and the following disclaimer in the documentation 15 * and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 19 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 21 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 24 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 27 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include <rte_dev.h> 31 #include <rte_ethdev.h> 32 #include <rte_pci.h> 33 34 #include "sfc.h" 35 #include "sfc_debug.h" 36 #include "sfc_log.h" 37 #include "sfc_kvargs.h" 38 39 40 static void 41 sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) 42 { 43 struct sfc_adapter *sa = dev->data->dev_private; 44 45 sfc_log_init(sa, "entry"); 46 47 dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device); 48 } 49 50 static const struct eth_dev_ops sfc_eth_dev_ops = { 51 .dev_infos_get = sfc_dev_infos_get, 52 }; 53 54 static int 55 sfc_eth_dev_init(struct rte_eth_dev *dev) 56 { 57 struct sfc_adapter *sa = dev->data->dev_private; 58 struct rte_pci_device *pci_dev = SFC_DEV_TO_PCI(dev); 59 int rc; 60 61 /* Required for logging */ 62 sa->eth_dev = dev; 63 64 /* Copy PCI device info to the dev->data */ 65 rte_eth_copy_pci_info(dev, pci_dev); 66 67 rc = sfc_kvargs_parse(sa); 68 if (rc != 0) 69 goto fail_kvargs_parse; 70 71 rc = sfc_kvargs_process(sa, SFC_KVARG_DEBUG_INIT, 72 sfc_kvarg_bool_handler, &sa->debug_init); 73 if (rc != 0) 74 goto fail_kvarg_debug_init; 75 76 sfc_log_init(sa, "entry"); 77 78 dev->dev_ops = &sfc_eth_dev_ops; 79 80 sfc_log_init(sa, "done"); 81 return 0; 82 83 fail_kvarg_debug_init: 84 sfc_kvargs_cleanup(sa); 85 86 fail_kvargs_parse: 87 sfc_log_init(sa, "failed %d", rc); 88 SFC_ASSERT(rc > 0); 89 return -rc; 90 } 91 92 static int 93 sfc_eth_dev_uninit(struct rte_eth_dev *dev) 94 { 95 struct sfc_adapter *sa = dev->data->dev_private; 96 97 sfc_log_init(sa, "entry"); 98 99 dev->dev_ops = NULL; 100 101 sfc_kvargs_cleanup(sa); 102 103 sfc_log_init(sa, "done"); 104 105 /* Required for logging, so cleanup last */ 106 sa->eth_dev = NULL; 107 return 0; 108 } 109 110 static const struct rte_pci_id pci_id_sfc_efx_map[] = { 111 { .vendor_id = 0 /* sentinel */ } 112 }; 113 114 static struct eth_driver sfc_efx_pmd = { 115 .pci_drv = { 116 .id_table = pci_id_sfc_efx_map, 117 .drv_flags = 0, 118 .probe = rte_eth_dev_pci_probe, 119 .remove = rte_eth_dev_pci_remove, 120 }, 121 .eth_dev_init = sfc_eth_dev_init, 122 .eth_dev_uninit = sfc_eth_dev_uninit, 123 .dev_private_size = sizeof(struct sfc_adapter), 124 }; 125 126 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd.pci_drv); 127 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map); 128 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx, 129 SFC_KVARG_DEBUG_INIT "=" SFC_KVARG_VALUES_BOOL); 130