static void ibmasm_remove_one(struct pci_dev *pdev)
{
struct service_processor *sp = pci_get_drvdata(pdev);
dbg("Unregistering UART\n");
ibmasm_unregister_uart(sp);
dbg("Sending OS down message\n");
if (ibmasm_send_os_state(sp, SYSTEM_STATE_OS_DOWN))
err("failed to get repsonse to 'Send OS State' command\n");
dbg("Disabling heartbeats\n");
ibmasm_heartbeat_exit(sp);
dbg("Disabling interrupts\n");
disable_sp_interrupts(sp->base_address);
dbg("Freeing SP irq\n");
free_irq(sp->irq, (void *)sp);
dbg("Cleaning up\n");
ibmasm_free_remote_input_dev(sp);
iounmap(sp->base_address);
ibmasm_event_buffer_exit(sp);
kfree(sp);
pci_release_regions(pdev);
pci_disable_device(pdev);
}
static int __devinit ibmasm_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
int result;
struct service_processor *sp;
if ((result = pci_enable_device(pdev))) {
dev_err(&pdev->dev, "Failed to enable PCI device\n");
return result;
}
if ((result = pci_request_regions(pdev, DRIVER_NAME))) {
dev_err(&pdev->dev, "Failed to allocate PCI resources\n");
goto error_resources;
}
/* vnc client won't work without bus-mastering */
pci_set_master(pdev);
sp = kmalloc(sizeof(struct service_processor), GFP_KERNEL);
if (sp == NULL) {
dev_err(&pdev->dev, "Failed to allocate memory\n");
result = -ENOMEM;
goto error_kmalloc;
}
memset(sp, 0, sizeof(struct service_processor));
spin_lock_init(&sp->lock);
INIT_LIST_HEAD(&sp->command_queue);
pci_set_drvdata(pdev, (void *)sp);
sp->dev = &pdev->dev;
sp->number = pdev->bus->number;
snprintf(sp->dirname, IBMASM_NAME_SIZE, "%d", sp->number);
snprintf(sp->devname, IBMASM_NAME_SIZE, "%s%d", DRIVER_NAME, sp->number);
if (ibmasm_event_buffer_init(sp)) {
dev_err(sp->dev, "Failed to allocate event buffer\n");
goto error_eventbuffer;
}
if (ibmasm_heartbeat_init(sp)) {
dev_err(sp->dev, "Failed to allocate heartbeat command\n");
goto error_heartbeat;
}
sp->irq = pdev->irq;
sp->base_address = ioremap(pci_resource_start(pdev, 0),
pci_resource_len(pdev, 0));
if (sp->base_address == 0) {
dev_err(sp->dev, "Failed to ioremap pci memory\n");
result = -ENODEV;
goto error_ioremap;
}
result = request_irq(sp->irq, ibmasm_interrupt_handler, IRQF_SHARED, sp->devname, (void*)sp);
if (result) {
dev_err(sp->dev, "Failed to register interrupt handler\n");
goto error_request_irq;
}
enable_sp_interrupts(sp->base_address);
result = ibmasm_init_remote_input_dev(sp);
if (result) {
dev_err(sp->dev, "Failed to initialize remote queue\n");
goto error_send_message;
}
result = ibmasm_send_driver_vpd(sp);
if (result) {
dev_err(sp->dev, "Failed to send driver VPD to service processor\n");
goto error_send_message;
}
result = ibmasm_send_os_state(sp, SYSTEM_STATE_OS_UP);
if (result) {
dev_err(sp->dev, "Failed to send OS state to service processor\n");
goto error_send_message;
}
ibmasmfs_add_sp(sp);
ibmasm_register_uart(sp);
return 0;
error_send_message:
disable_sp_interrupts(sp->base_address);
ibmasm_free_remote_input_dev(sp);
free_irq(sp->irq, (void *)sp);
error_request_irq:
iounmap(sp->base_address);
error_ioremap:
ibmasm_heartbeat_exit(sp);
error_heartbeat:
ibmasm_event_buffer_exit(sp);
error_eventbuffer:
pci_set_drvdata(pdev, NULL);
kfree(sp);
error_kmalloc:
pci_release_regions(pdev);
error_resources:
pci_disable_device(pdev);
return result;
}
