From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/misc/ocxl/pci.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 drivers/misc/ocxl/pci.c (limited to 'drivers/misc/ocxl/pci.c') diff --git a/drivers/misc/ocxl/pci.c b/drivers/misc/ocxl/pci.c new file mode 100644 index 000000000..cb920aa88 --- /dev/null +++ b/drivers/misc/ocxl/pci.c @@ -0,0 +1,66 @@ +// SPDX-License-Identifier: GPL-2.0+ +// Copyright 2019 IBM Corp. +#include +#include "ocxl_internal.h" + +/* + * Any opencapi device which wants to use this 'generic' driver should + * use the 0x062B device ID. Vendors should define the subsystem + * vendor/device ID to help differentiate devices. + */ +static const struct pci_device_id ocxl_pci_tbl[] = { + { PCI_DEVICE(PCI_VENDOR_ID_IBM, 0x062B), }, + { } +}; +MODULE_DEVICE_TABLE(pci, ocxl_pci_tbl); + +static int ocxl_probe(struct pci_dev *dev, const struct pci_device_id *id) +{ + int rc; + struct ocxl_afu *afu, *tmp; + struct ocxl_fn *fn; + struct list_head *afu_list; + + fn = ocxl_function_open(dev); + if (IS_ERR(fn)) + return PTR_ERR(fn); + + pci_set_drvdata(dev, fn); + + afu_list = ocxl_function_afu_list(fn); + + list_for_each_entry_safe(afu, tmp, afu_list, list) { + // Cleanup handled within ocxl_file_register_afu() + rc = ocxl_file_register_afu(afu); + if (rc) { + dev_err(&dev->dev, "Failed to register AFU '%s' index %d", + afu->config.name, afu->config.idx); + } + } + + return 0; +} + +static void ocxl_remove(struct pci_dev *dev) +{ + struct ocxl_fn *fn; + struct ocxl_afu *afu; + struct list_head *afu_list; + + fn = pci_get_drvdata(dev); + afu_list = ocxl_function_afu_list(fn); + + list_for_each_entry(afu, afu_list, list) { + ocxl_file_unregister_afu(afu); + } + + ocxl_function_close(fn); +} + +struct pci_driver ocxl_pci_driver = { + .name = "ocxl", + .id_table = ocxl_pci_tbl, + .probe = ocxl_probe, + .remove = ocxl_remove, + .shutdown = ocxl_remove, +}; -- cgit v1.2.3