drivers/scsi/smartpqi/smartpqi_init.c

Source file repositories/reference/linux-study-clean/drivers/scsi/smartpqi/smartpqi_init.c

File Facts

System
Linux kernel
Corpus path
drivers/scsi/smartpqi/smartpqi_init.c
Extension
.c
Size
315787 bytes
Lines
11225
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 pqi_pci_driver = {
	.name = DRIVER_NAME_SHORT,
	.id_table = pqi_pci_id_table,
	.probe = pqi_pci_probe,
	.remove = pqi_pci_remove,
	.shutdown = pqi_shutdown,
#if defined(CONFIG_PM)
	.driver = {
		.pm = &pqi_pm_ops
	},
#endif
};

static int __init pqi_init(void)
{
	int rc;

	pr_info(DRIVER_NAME "\n");
	pqi_verify_structures();
	sis_verify_structures();

	pqi_sas_transport_template = sas_attach_transport(&pqi_sas_transport_functions);
	if (!pqi_sas_transport_template)
		return -ENODEV;

	pqi_process_module_params();

	rc = pci_register_driver(&pqi_pci_driver);
	if (rc)
		sas_release_transport(pqi_sas_transport_template);

	return rc;
}

static void __exit pqi_cleanup(void)
{
	pci_unregister_driver(&pqi_pci_driver);
	sas_release_transport(pqi_sas_transport_template);
}

module_init(pqi_init);
module_exit(pqi_cleanup);

static void pqi_verify_structures(void)
{
	BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers,
		sis_host_to_ctrl_doorbell) != 0x20);
	BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers,
		sis_interrupt_mask) != 0x34);
	BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers,
		sis_ctrl_to_host_doorbell) != 0x9c);
	BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers,
		sis_ctrl_to_host_doorbell_clear) != 0xa0);
	BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers,
		sis_driver_scratch) != 0xb0);
	BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers,
		sis_product_identifier) != 0xb4);
	BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers,
		sis_firmware_status) != 0xbc);
	BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers,
		sis_ctrl_shutdown_reason_code) != 0xcc);
	BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers,
		sis_mailbox) != 0x1000);
	BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers,
		pqi_registers) != 0x4000);

	BUILD_BUG_ON(offsetof(struct pqi_iu_header,
		iu_type) != 0x0);
	BUILD_BUG_ON(offsetof(struct pqi_iu_header,
		iu_length) != 0x2);
	BUILD_BUG_ON(offsetof(struct pqi_iu_header,
		response_queue_id) != 0x4);
	BUILD_BUG_ON(offsetof(struct pqi_iu_header,
		driver_flags) != 0x6);
	BUILD_BUG_ON(sizeof(struct pqi_iu_header) != 0x8);

	BUILD_BUG_ON(offsetof(struct pqi_aio_error_info,
		status) != 0x0);
	BUILD_BUG_ON(offsetof(struct pqi_aio_error_info,
		service_response) != 0x1);
	BUILD_BUG_ON(offsetof(struct pqi_aio_error_info,
		data_present) != 0x2);
	BUILD_BUG_ON(offsetof(struct pqi_aio_error_info,
		reserved) != 0x3);
	BUILD_BUG_ON(offsetof(struct pqi_aio_error_info,
		residual_count) != 0x4);
	BUILD_BUG_ON(offsetof(struct pqi_aio_error_info,
		data_length) != 0x8);
	BUILD_BUG_ON(offsetof(struct pqi_aio_error_info,
		reserved1) != 0xa);

Annotation

Implementation Notes