static ssize_t pccard_store_cis(struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct pcmcia_socket *s = to_socket(container_of(kobj, struct device, kobj));
int error;
if (off)
return -EINVAL;
if (count >= CISTPL_MAX_CIS_SIZE)
return -EINVAL;
if (!(s->state & SOCKET_PRESENT))
return -ENODEV;
error = pcmcia_replace_cis(s, buf, count);
if (error)
return -EIO;
mutex_lock(&s->skt_mutex);
if ((s->callback) && (s->state & SOCKET_PRESENT) &&
!(s->state & SOCKET_CARDBUS)) {
if (try_module_get(s->callback->owner)) {
s->callback->requery(s, 1);
module_put(s->callback->owner);
}
}
mutex_unlock(&s->skt_mutex);
return count;
}
static ssize_t pccard_store_cis(struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct pcmcia_socket *s = to_socket(container_of(kobj, struct device, kobj));
cisdump_t *cis;
int error;
if (off)
return -EINVAL;
if (count >= 0x200)
return -EINVAL;
if (!(s->state & SOCKET_PRESENT))
return -ENODEV;
cis = kzalloc(sizeof(cisdump_t), GFP_KERNEL);
if (!cis)
return -ENOMEM;
cis->Length = count + 1;
memcpy(cis->Data, buf, count);
error = pcmcia_replace_cis(s, cis);
kfree(cis);
if (error)
return -EIO;
mutex_lock(&s->skt_mutex);
if ((s->callback) && (s->state & SOCKET_PRESENT) &&
!(s->state & SOCKET_CARDBUS)) {
if (try_module_get(s->callback->owner)) {
s->callback->requery(s, 1);
module_put(s->callback->owner);
}
}
mutex_unlock(&s->skt_mutex);
return count;
}
/**
* pcmcia_load_firmware - load CIS from userspace if device-provided is broken
* @dev - the pcmcia device which needs a CIS override
* @filename - requested filename in /lib/firmware/cis/
*
* This uses the in-kernel firmware loading mechanism to use a "fake CIS" if
* the one provided by the card is broken. The firmware files reside in
* /lib/firmware/cis/ in userspace.
*/
static int pcmcia_load_firmware(struct pcmcia_device *dev, char * filename)
{
struct pcmcia_socket *s = dev->socket;
const struct firmware *fw;
char path[20];
int ret=-ENOMEM;
cisdump_t *cis;
if (!filename)
return -EINVAL;
ds_dbg(1, "trying to load firmware %s\n", filename);
if (strlen(filename) > 14)
return -EINVAL;
snprintf(path, 20, "%s", filename);
if (request_firmware(&fw, path, &dev->dev) == 0) {
if (fw->size >= CISTPL_MAX_CIS_SIZE)
goto release;
cis = kzalloc(sizeof(cisdump_t), GFP_KERNEL);
if (!cis)
goto release;
cis->Length = fw->size + 1;
memcpy(cis->Data, fw->data, fw->size);
if (!pcmcia_replace_cis(s, cis))
ret = 0;
}
release:
release_firmware(fw);
return (ret);
}
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 */
