1 // SPDX-License-Identifier: GPL-2.0+ 2 // Copyright 2019 IBM Corp. 3 #include <linux/module.h> 4 #include "ocxl_internal.h" 5 6 /* 7 * Any opencapi device which wants to use this 'generic' driver should 8 * use the 0x062B device ID. Vendors should define the subsystem 9 * vendor/device ID to help differentiate devices. 10 */ 11 static const struct pci_device_id ocxl_pci_tbl[] = { 12 { PCI_DEVICE(PCI_VENDOR_ID_IBM, 0x062B), }, 13 { } 14 }; 15 MODULE_DEVICE_TABLE(pci, ocxl_pci_tbl); 16 17 static int ocxl_probe(struct pci_dev *dev, const struct pci_device_id *id) 18 { 19 int rc; 20 struct ocxl_afu *afu, *tmp; 21 struct ocxl_fn *fn; 22 struct list_head *afu_list; 23 24 fn = ocxl_function_open(dev); 25 if (IS_ERR(fn)) 26 return PTR_ERR(fn); 27 28 pci_set_drvdata(dev, fn); 29 30 afu_list = ocxl_function_afu_list(fn); 31 32 list_for_each_entry_safe(afu, tmp, afu_list, list) { 33 // Cleanup handled within ocxl_file_register_afu() 34 rc = ocxl_file_register_afu(afu); 35 if (rc) { 36 dev_err(&dev->dev, "Failed to register AFU '%s' index %d", 37 afu->config.name, afu->config.idx); 38 } 39 } 40 41 return 0; 42 } 43 44 static void ocxl_remove(struct pci_dev *dev) 45 { 46 struct ocxl_fn *fn; 47 struct ocxl_afu *afu; 48 struct list_head *afu_list; 49 50 fn = pci_get_drvdata(dev); 51 afu_list = ocxl_function_afu_list(fn); 52 53 list_for_each_entry(afu, afu_list, list) { 54 ocxl_file_unregister_afu(afu); 55 } 56 57 ocxl_function_close(fn); 58 } 59 60 struct pci_driver ocxl_pci_driver = { 61 .name = "ocxl", 62 .id_table = ocxl_pci_tbl, 63 .probe = ocxl_probe, 64 .remove = ocxl_remove, 65 .shutdown = ocxl_remove, 66 }; 67