static void __exit ibmasm_remove_one(struct pci_dev *pdev)
{
struct service_processor *sp = (struct service_processor *)pci_get_drvdata(pdev);
ibmasm_unregister_uart(sp);
ibmasm_send_os_state(sp, SYSTEM_STATE_OS_DOWN);
disable_sp_interrupts(sp->base_address);
disable_mouse_interrupts(sp);
free_irq(sp->irq, (void *)sp);
ibmasm_heartbeat_exit(sp);
ibmasm_free_remote_queue(sp);
iounmap(sp->base_address);
ibmasm_event_buffer_exit(sp);
kfree(sp);
}
static int __init ibmasm_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
int result = -ENOMEM;
struct service_processor *sp;
sp = kmalloc(sizeof(struct service_processor), GFP_KERNEL);
if (sp == NULL) {
dev_err(&pdev->dev, "Failed to allocate memory\n");
return result;
}
memset(sp, 0, sizeof(struct service_processor));
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 = ibmasm_init_remote_queue(sp);
if (result) {
dev_err(sp->dev, "Failed to initialize remote queue\n");
goto error_remote_queue;
}
sp->lock = SPIN_LOCK_UNLOCKED;
INIT_LIST_HEAD(&sp->command_queue);
result = request_irq(sp->irq, ibmasm_interrupt_handler, SA_SHIRQ, 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);
disable_mouse_interrupts(sp);
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);
free_irq(sp->irq, (void *)sp);
error_request_irq:
ibmasm_free_remote_queue(sp);
error_remote_queue:
iounmap(sp->base_address);
error_ioremap:
ibmasm_heartbeat_exit(sp);
error_heartbeat:
ibmasm_event_buffer_exit(sp);
error_eventbuffer:
kfree(sp);
return result;
}
static int __init ibmasm_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
int err, result = -ENOMEM;
struct service_processor *sp;
if ((err = pci_enable_device(pdev))) {
printk(KERN_ERR "%s: can't enable PCI device at %s\n",
DRIVER_NAME, pci_name(pdev));
return err;
}
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));
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 = ibmasm_init_remote_queue(sp);
if (result) {
dev_err(sp->dev, "Failed to initialize remote queue\n");
goto error_remote_queue;
}
spin_lock_init(&sp->lock);
INIT_LIST_HEAD(&sp->command_queue);
result = request_irq(sp->irq, ibmasm_interrupt_handler, SA_SHIRQ, 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);
disable_mouse_interrupts(sp);
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);
dev_printk(KERN_DEBUG, &pdev->dev, "WARNING: This software may not be supported or function\n");
dev_printk(KERN_DEBUG, &pdev->dev, "correctly on your IBM server. Please consult the IBM\n");
dev_printk(KERN_DEBUG, &pdev->dev, "ServerProven website\n");
dev_printk(KERN_DEBUG, &pdev->dev, "http://www.pc.ibm.com/ww/eserver/xseries/serverproven\n");
dev_printk(KERN_DEBUG, &pdev->dev, "for information on the specific driver level and support\n");
dev_printk(KERN_DEBUG, &pdev->dev, "statement for your IBM server.\n");
return 0;
error_send_message:
disable_sp_interrupts(sp->base_address);
free_irq(sp->irq, (void *)sp);
error_request_irq:
ibmasm_free_remote_queue(sp);
error_remote_queue:
iounmap(sp->base_address);
error_ioremap:
ibmasm_heartbeat_exit(sp);
error_heartbeat:
ibmasm_event_buffer_exit(sp);
error_eventbuffer:
kfree(sp);
error_kmalloc:
pci_disable_device(pdev);
return result;
}