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// 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, afu_count = 0;
u8 afu;
struct ocxl_fn *fn;
if (!radix_enabled()) {
dev_err(&dev->dev, "Unsupported memory model (hash)\n");
return -ENODEV;
}
fn = init_function(dev);
if (IS_ERR(fn)) {
dev_err(&dev->dev, "function init failed: %li\n",
PTR_ERR(fn));
return PTR_ERR(fn);
}
for (afu = 0; afu <= fn->config.max_afu_index; afu++) {
rc = ocxl_config_check_afu_index(dev, &fn->config, afu);
if (rc > 0) {
rc = init_afu(dev, fn, afu);
if (rc) {
dev_err(&dev->dev,
"Can't initialize AFU index %d\n", afu);
continue;
}
afu_count++;
}
}
dev_info(&dev->dev, "%d AFU(s) configured\n", afu_count);
return 0;
}
static void ocxl_remove(struct pci_dev *dev)
{
struct ocxl_afu *afu, *tmp;
struct ocxl_fn *fn = pci_get_drvdata(dev);
list_for_each_entry_safe(afu, tmp, &fn->afu_list, list) {
remove_afu(afu);
}
remove_function(fn);
}
struct pci_driver ocxl_pci_driver = {
.name = "ocxl",
.id_table = ocxl_pci_tbl,
.probe = ocxl_probe,
.remove = ocxl_remove,
.shutdown = ocxl_remove,
};
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