Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) // Copyright 2019 IBM Corp.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) #include "ocxl_internal.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  * Any opencapi device which wants to use this 'generic' driver should
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * use the 0x062B device ID. Vendors should define the subsystem
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * vendor/device ID to help differentiate devices.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) static const struct pci_device_id ocxl_pci_tbl[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	{ PCI_DEVICE(PCI_VENDOR_ID_IBM, 0x062B), },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	{ }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) MODULE_DEVICE_TABLE(pci, ocxl_pci_tbl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) static int ocxl_probe(struct pci_dev *dev, const struct pci_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	int rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	struct ocxl_afu *afu, *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	struct ocxl_fn *fn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	struct list_head *afu_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	fn = ocxl_function_open(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	if (IS_ERR(fn))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 		return PTR_ERR(fn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	pci_set_drvdata(dev, fn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	afu_list = ocxl_function_afu_list(fn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	list_for_each_entry_safe(afu, tmp, afu_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		// Cleanup handled within ocxl_file_register_afu()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 		rc = ocxl_file_register_afu(afu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 		if (rc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 			dev_err(&dev->dev, "Failed to register AFU '%s' index %d",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 					afu->config.name, afu->config.idx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static void ocxl_remove(struct pci_dev *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	struct ocxl_fn *fn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	struct ocxl_afu *afu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	struct list_head *afu_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	fn = pci_get_drvdata(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	afu_list = ocxl_function_afu_list(fn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	list_for_each_entry(afu, afu_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 		ocxl_file_unregister_afu(afu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	ocxl_function_close(fn);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct pci_driver ocxl_pci_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	.name = "ocxl",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 	.id_table = ocxl_pci_tbl,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 	.probe = ocxl_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 	.remove = ocxl_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 	.shutdown = ocxl_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) };