WSL2-Linux-Kernel/drivers/misc/ocxl/pci.c

67 строки
1.5 KiB
C

// SPDX-License-Identifier: GPL-2.0+
// Copyright 2019 IBM Corp.
#include <linux/module.h>
#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;
}
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,
};