static int __init nfeth_init(void)
{
long ver;
int error, i;
nfEtherID = nf_get_id("ETHERNET");
if (!nfEtherID)
return -ENODEV;
ver = nf_call(nfEtherID + GET_VERSION);
pr_info("API %lu\n", ver);
nfEtherIRQ = nf_call(nfEtherID + XIF_INTLEVEL);
error = request_irq(nfEtherIRQ, nfeth_interrupt, IRQF_SHARED,
"eth emu", nfeth_interrupt);
if (error) {
pr_err("request for irq %d failed %d", nfEtherIRQ, error);
return error;
}
for (i = 0; i < MAX_UNIT; i++)
nfeth_dev[i] = nfeth_probe(i);
return 0;
}
static void nf_poweroff(void)
{
long id = nf_get_id("NF_SHUTDOWN");
if (id)
nf_call(id);
}
void nfprint(const char *fmt, ...)
{
static char buf[256];
va_list ap;
int n;
va_start(ap, fmt);
n = vsnprintf(buf, 256, fmt, ap);
nf_call(nf_get_id("NF_STDERR"), virt_to_phys(buf));
va_end(ap);
}
void nf_init(void)
{
unsigned long id, version;
char buf[256];
id = nf_get_id("NF_VERSION");
if (!id)
return;
version = nf_call(id);
id = nf_get_id("NF_NAME");
if (!id)
return;
nf_call(id, virt_to_phys(buf), 256);
buf[255] = 0;
pr_info("NatFeats found (%s, %lu.%lu)\n", buf, version >> 16,
version & 0xffff);
mach_power_off = nf_poweroff;
}
static int __init nf_debug_setup(char *arg)
{
if (strcmp(arg, "nfcon"))
return 0;
stderr_id = nf_get_id("NF_STDERR");
if (stderr_id) {
nf_console.flags |= CON_ENABLED;
register_console(&nf_console);
}
return 0;
}
static int __init nfcon_init(void)
{
int res;
stderr_id = nf_get_id("NF_STDERR");
if (!stderr_id)
return -ENODEV;
nfcon_tty_driver = alloc_tty_driver(1);
if (!nfcon_tty_driver)
return -ENOMEM;
tty_port_init(&nfcon_tty_port);
nfcon_tty_driver->driver_name = "nfcon";
nfcon_tty_driver->name = "nfcon";
nfcon_tty_driver->type = TTY_DRIVER_TYPE_SYSTEM;
nfcon_tty_driver->subtype = SYSTEM_TYPE_TTY;
nfcon_tty_driver->init_termios = tty_std_termios;
nfcon_tty_driver->flags = TTY_DRIVER_REAL_RAW;
tty_set_operations(nfcon_tty_driver, &nfcon_tty_ops);
tty_port_link_device(&nfcon_tty_port, nfcon_tty_driver, 0);
res = tty_register_driver(nfcon_tty_driver);
if (res) {
pr_err("failed to register nfcon tty driver\n");
put_tty_driver(nfcon_tty_driver);
tty_port_destroy(&nfcon_tty_port);
return res;
}
if (!(nf_console.flags & CON_ENABLED))
register_console(&nf_console);
return 0;
}
