drivers/scsi/pm8001/pm8001_init.c

Source file repositories/reference/linux-study-clean/drivers/scsi/pm8001/pm8001_init.c

File Facts

System
Linux kernel
Corpus path
drivers/scsi/pm8001/pm8001_init.c
Extension
.c
Size
46195 bytes
Lines
1579
Domain
Driver Families
Bucket
drivers/scsi
Inferred role
Driver Families: operation-table or driver-model contract
Status
pattern implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

static struct pci_driver pm8001_pci_driver = {
	.name		= DRV_NAME,
	.id_table	= pm8001_pci_table,
	.probe		= pm8001_pci_probe,
	.remove		= pm8001_pci_remove,
	.driver.pm	= &pm8001_pci_pm_ops,
};

/**
 *	pm8001_init - initialize scsi transport template
 */
static int __init pm8001_init(void)
{
	int rc = -ENOMEM;

	if (pm8001_use_tasklet && !pm8001_use_msix)
		pm8001_use_tasklet = false;

	pm8001_wq = alloc_workqueue("pm80xx", WQ_PERCPU, 0);
	if (!pm8001_wq)
		goto err;

	pm8001_id = 0;
	pm8001_stt = sas_domain_attach_transport(&pm8001_transport_ops);
	if (!pm8001_stt)
		goto err_wq;
	rc = pci_register_driver(&pm8001_pci_driver);
	if (rc)
		goto err_tp;
	return 0;

err_tp:
	sas_release_transport(pm8001_stt);
err_wq:
	destroy_workqueue(pm8001_wq);
err:
	return rc;
}

static void __exit pm8001_exit(void)
{
	pci_unregister_driver(&pm8001_pci_driver);
	sas_release_transport(pm8001_stt);
	destroy_workqueue(pm8001_wq);
}

module_init(pm8001_init);
module_exit(pm8001_exit);

MODULE_AUTHOR("Jack Wang <jack_wang@usish.com>");
MODULE_AUTHOR("Anand Kumar Santhanam <AnandKumar.Santhanam@pmcs.com>");
MODULE_AUTHOR("Sangeetha Gnanasekaran <Sangeetha.Gnanasekaran@pmcs.com>");
MODULE_AUTHOR("Nikith Ganigarakoppal <Nikith.Ganigarakoppal@pmcs.com>");
MODULE_DESCRIPTION(
		"PMC-Sierra PM8001/8006/8081/8088/8089/8074/8076/8077/8070/8072 "
		"SAS/SATA controller driver");
MODULE_VERSION(DRV_VERSION);
MODULE_LICENSE("GPL");
MODULE_DEVICE_TABLE(pci, pm8001_pci_table);

Annotation

Implementation Notes