static int configure_kgdbts(void)
{
int err = 0;
if (!strlen(config) || isspace(config[0]))
goto noconfig;
err = kgdbts_option_setup(config);
if (err)
goto noconfig;
final_ack = 0;
run_plant_and_detach_test(1);
err = kgdb_register_io_module(&kgdbts_io_ops);
if (err) {
configured = 0;
return err;
}
configured = 1;
kgdbts_run_tests();
return err;
noconfig:
config[0] = 0;
configured = 0;
return err;
}
static int configure_kgdboc(void)
{
struct tty_driver *p;
int tty_line = 0;
int err;
err = kgdboc_option_setup(config);
if (err || !strlen(config) || isspace(config[0]))
goto noconfig;
err = -ENODEV;
p = tty_find_polling_driver(config, &tty_line);
if (!p)
goto noconfig;
kgdb_tty_driver = p;
kgdb_tty_line = tty_line;
err = kgdb_register_io_module(&kgdboc_io_ops);
if (err)
goto noconfig;
configured = 1;
return 0;
noconfig:
config[0] = 0;
configured = 0;
return err;
}
int init_kgdboe(void)
{
/* Already done? */
if (configured == 2)
return 0;
if (strlen(config))
option_setup(config);
if (!configured) {
printk("kgdboe: configuration incorrect - kgdboe not "
"loaded.\n");
printk(" Usage: kgdboe=[src-port]@[src-ip]/[dev],[tgt-port]"
"@<tgt-ip>/[tgt-macaddr]\n");
return -EINVAL;
}
if (netpoll_setup(&np)) {
printk("kgdboe: netpoll_setup failed kgdboe failed\n");
return -EINVAL;
}
if (kgdb_register_io_module(&local_kgdb_io_ops))
return -EINVAL;
printk(KERN_INFO "kgdboe: debugging over ethernet enabled\n");
configured = 2;
return 0;
}
static int configure_kgdboc(void)
{
struct tty_driver *p;
int tty_line = 0;
int err;
char *cptr = config;
struct console *cons;
err = kgdboc_option_setup(config);
if (err || !strlen(config) || isspace(config[0]))
goto noconfig;
err = -ENODEV;
kgdboc_io_ops.is_console = 0;
kgdb_tty_driver = NULL;
kgdboc_use_kms = 0;
if (strncmp(cptr, "kms,", 4) == 0) {
cptr += 4;
kgdboc_use_kms = 1;
}
if (kgdboc_register_kbd(&cptr))
goto do_register;
p = tty_find_polling_driver(cptr, &tty_line);
if (!p)
goto noconfig;
cons = console_drivers;
while (cons) {
int idx;
if (cons->device && cons->device(cons, &idx) == p &&
idx == tty_line) {
kgdboc_io_ops.is_console = 1;
break;
}
cons = cons->next;
}
kgdb_tty_driver = p;
kgdb_tty_line = tty_line;
do_register:
err = kgdb_register_io_module(&kgdboc_io_ops);
if (err)
goto noconfig;
configured = 1;
return 0;
noconfig:
config[0] = 0;
configured = 0;
cleanup_kgdboc();
return err;
}
static int configure_kgdboc(void)
{
struct tty_driver *p;
int tty_line = 0;
int err;
err = kgdboc_option_setup(config);
if (err || !strlen(config) || isspace(config[0]))
goto noconfig;
err = -ENODEV;
p = tty_find_polling_driver(config, &tty_line);
if (!p) {
printk("kgdb will retry in %d secs\n", config_retry_time);
if (config_retry_time > 0) {
INIT_DELAYED_WORK(&ttycheck_work, ttycheck_func);
schedule_delayed_work(&ttycheck_work, config_retry_time * HZ);
config_retry_time--;
return -ENODEV;
}
goto noconfig;
}
kgdb_tty_driver = p;
kgdb_tty_line = tty_line;
err = kgdb_register_io_module(&kgdboc_io_ops);
if (err)
goto noconfig;
configured = 1;
return 0;
noconfig:
config[0] = 0;
configured = 0;
return err;
}
int kgdboe_io_init(const char *device_name, int port, const char *local_ip,
bool force_single_core)
{
int err;
u8 ipaddr[4];
spin_lock_init(&exception_lock);
s_pKgdboeNetpoll = netpoll_wrapper_create(device_name, port, local_ip);
if (!s_pKgdboeNetpoll)
return -EINVAL;
if (force_single_core) {
force_single_cpu_mode();
} else if (!nethook_initialize(s_pKgdboeNetpoll->pDeviceWithHandler)) {
printk(KERN_ERR "kgdboe: failed to guarantee cross-CPU network "
"API synchronization. Aborting. Try enabling "
"single-CPU mode.\n");
return -EINVAL;
}
err = kgdb_register_io_module(&kgdboe_io_ops);
if (err != 0) {
netpoll_wrapper_free(s_pKgdboeNetpoll);
s_pKgdboeNetpoll = NULL;
return err;
}
netpoll_wrapper_set_callback(s_pKgdboeNetpoll, kgdboe_rx_handler, NULL);
memcpy(ipaddr, &ip_addr_as_int(s_pKgdboeNetpoll->netpoll_obj.local_ip),
4);
printk(KERN_INFO "kgdboe: Successfully initialized. Use the following "
"gdb command to attach:\n");
printk(KERN_INFO "\ttarget remote udp:%d.%d.%d.%d:%d\n", ipaddr[0],
ipaddr[1], ipaddr[2], ipaddr[3],
s_pKgdboeNetpoll->netpoll_obj.local_port);
return 0;
}
