static ssize_t pccard_store_card_pm_state(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
ssize_t ret = -EINVAL;
struct pcmcia_socket *s = to_socket(dev);
if (!count)
return -EINVAL;
if (!(s->state & SOCKET_SUSPEND) && !strncmp(buf, "off", 3))
ret = pcmcia_suspend_card(s);
else if ((s->state & SOCKET_SUSPEND) && !strncmp(buf, "on", 2))
ret = pcmcia_resume_card(s);
return ret ? -ENODEV : count;
}
static int ds_ioctl(struct inode * inode, struct file * file,
u_int cmd, u_long arg)
{
socket_t i = minor(inode->i_rdev);
socket_info_t *s;
u_int size;
int ret, err;
ds_ioctl_arg_t buf;
DEBUG(2, "ds_ioctl(socket %d, %#x, %#lx)\n", i, cmd, arg);
if ((i >= sockets) || (sockets == 0))
return -ENODEV;
s = &socket_table[i];
size = (cmd & IOCSIZE_MASK) >> IOCSIZE_SHIFT;
if (size > sizeof(ds_ioctl_arg_t)) return -EINVAL;
/* Permission check */
if (!(cmd & IOC_OUT) && !capable(CAP_SYS_ADMIN))
return -EPERM;
if (cmd & IOC_IN) {
err = verify_area(VERIFY_READ, (char *)arg, size);
if (err) {
DEBUG(3, "ds_ioctl(): verify_read = %d\n", err);
return err;
}
}
if (cmd & IOC_OUT) {
err = verify_area(VERIFY_WRITE, (char *)arg, size);
if (err) {
DEBUG(3, "ds_ioctl(): verify_write = %d\n", err);
return err;
}
}
err = ret = 0;
if (cmd & IOC_IN) copy_from_user((char *)&buf, (char *)arg, size);
switch (cmd) {
case DS_ADJUST_RESOURCE_INFO:
ret = pcmcia_adjust_resource_info(s->handle, &buf.adjust);
break;
case DS_GET_CARD_SERVICES_INFO:
ret = pcmcia_get_card_services_info(&buf.servinfo);
break;
case DS_GET_CONFIGURATION_INFO:
ret = pcmcia_get_configuration_info(s->handle, &buf.config);
break;
case DS_GET_FIRST_TUPLE:
ret = pcmcia_get_first_tuple(s->handle, &buf.tuple);
break;
case DS_GET_NEXT_TUPLE:
ret = pcmcia_get_next_tuple(s->handle, &buf.tuple);
break;
case DS_GET_TUPLE_DATA:
buf.tuple.TupleData = buf.tuple_parse.data;
buf.tuple.TupleDataMax = sizeof(buf.tuple_parse.data);
ret = pcmcia_get_tuple_data(s->handle, &buf.tuple);
break;
case DS_PARSE_TUPLE:
buf.tuple.TupleData = buf.tuple_parse.data;
ret = pcmcia_parse_tuple(s->handle, &buf.tuple, &buf.tuple_parse.parse);
break;
case DS_RESET_CARD:
ret = pcmcia_reset_card(s->handle, NULL);
break;
case DS_GET_STATUS:
ret = pcmcia_get_status(s->handle, &buf.status);
break;
case DS_VALIDATE_CIS:
ret = pcmcia_validate_cis(s->handle, &buf.cisinfo);
break;
case DS_SUSPEND_CARD:
ret = pcmcia_suspend_card(s->handle, NULL);
break;
case DS_RESUME_CARD:
ret = pcmcia_resume_card(s->handle, NULL);
break;
case DS_EJECT_CARD:
ret = pcmcia_eject_card(s->handle, NULL);
break;
case DS_INSERT_CARD:
ret = pcmcia_insert_card(s->handle, NULL);
break;
case DS_ACCESS_CONFIGURATION_REGISTER:
if ((buf.conf_reg.Action == CS_WRITE) && !capable(CAP_SYS_ADMIN))
return -EPERM;
ret = pcmcia_access_configuration_register(s->handle, &buf.conf_reg);
break;
case DS_GET_FIRST_REGION:
ret = pcmcia_get_first_region(s->handle, &buf.region);
break;
case DS_GET_NEXT_REGION:
ret = pcmcia_get_next_region(s->handle, &buf.region);
break;
case DS_GET_FIRST_WINDOW:
buf.win_info.handle = (window_handle_t)s->handle;
ret = pcmcia_get_first_window(&buf.win_info.handle, &buf.win_info.window);
break;
case DS_GET_NEXT_WINDOW:
ret = pcmcia_get_next_window(&buf.win_info.handle, &buf.win_info.window);
break;
case DS_GET_MEM_PAGE:
ret = pcmcia_get_mem_page(buf.win_info.handle,
&buf.win_info.map);
break;
case DS_REPLACE_CIS:
ret = pcmcia_replace_cis(s->handle, &buf.cisdump);
break;
case DS_BIND_REQUEST:
if (!capable(CAP_SYS_ADMIN)) return -EPERM;
err = bind_request(i, &buf.bind_info);
break;
case DS_GET_DEVICE_INFO:
err = get_device_info(i, &buf.bind_info, 1);
break;
case DS_GET_NEXT_DEVICE:
err = get_device_info(i, &buf.bind_info, 0);
break;
case DS_UNBIND_REQUEST:
err = unbind_request(i, &buf.bind_info);
break;
case DS_BIND_MTD:
if (!suser()) return -EPERM;
err = bind_mtd(i, &buf.mtd_info);
break;
default:
err = -EINVAL;
}
if ((err == 0) && (ret != CS_SUCCESS)) {
DEBUG(2, "ds_ioctl: ret = %d\n", ret);
switch (ret) {
case CS_BAD_SOCKET: case CS_NO_CARD:
err = -ENODEV; break;
case CS_BAD_ARGS: case CS_BAD_ATTRIBUTE: case CS_BAD_IRQ:
case CS_BAD_TUPLE:
err = -EINVAL; break;
case CS_IN_USE:
err = -EBUSY; break;
case CS_OUT_OF_RESOURCE:
err = -ENOSPC; break;
case CS_NO_MORE_ITEMS:
err = -ENODATA; break;
case CS_UNSUPPORTED_FUNCTION:
err = -ENOSYS; break;
default:
err = -EIO; break;
}
}
if (cmd & IOC_OUT) copy_to_user((char *)arg, (char *)&buf, size);
return err;
} /* ds_ioctl */