static ssize_t store_orig_interval(struct kobject *kobj, struct attribute *attr,
char *buff, size_t count)
{
struct device *dev = to_dev(kobj->parent);
struct net_device *net_dev = to_net_dev(dev);
struct bat_priv *bat_priv = netdev_priv(net_dev);
unsigned long orig_interval_tmp;
int ret;
ret = strict_strtoul(buff, 10, &orig_interval_tmp);
if (ret) {
bat_info(net_dev, "Invalid parameter for 'orig_interval' "
"setting received: %s\n", buff);
return -EINVAL;
}
if (orig_interval_tmp < JITTER * 2) {
bat_info(net_dev, "New originator interval too small: %li "
"(min: %i)\n", orig_interval_tmp, JITTER * 2);
return -EINVAL;
}
if (atomic_read(&bat_priv->orig_interval) == orig_interval_tmp)
return count;
bat_info(net_dev, "Changing originator interval from: %i to: %li\n",
atomic_read(&bat_priv->orig_interval),
orig_interval_tmp);
atomic_set(&bat_priv->orig_interval, orig_interval_tmp);
return count;
}
static ssize_t store_log_level(struct kobject *kobj, struct attribute *attr,
char *buff, size_t count)
{
struct device *dev = to_dev(kobj->parent);
struct net_device *net_dev = to_net_dev(dev);
struct bat_priv *bat_priv = netdev_priv(net_dev);
unsigned long log_level_tmp;
int ret;
ret = strict_strtoul(buff, 10, &log_level_tmp);
if (ret) {
bat_info(net_dev, "Invalid parameter for 'log_level' "
"setting received: %s\n", buff);
return -EINVAL;
}
if (log_level_tmp > 3) {
bat_info(net_dev, "New log level too big: %li "
"(max: %i)\n", log_level_tmp, 3);
return -EINVAL;
}
if (atomic_read(&bat_priv->log_level) == log_level_tmp)
return count;
bat_info(net_dev, "Changing log level from: %i to: %li\n",
atomic_read(&bat_priv->log_level),
log_level_tmp);
atomic_set(&bat_priv->log_level, (unsigned)log_level_tmp);
return count;
}
static blk_status_t pmem_clear_poison(struct pmem_device *pmem,
phys_addr_t offset, unsigned int len)
{
struct device *dev = to_dev(pmem);
sector_t sector;
long cleared;
blk_status_t rc = BLK_STS_OK;
sector = (offset - pmem->data_offset) / 512;
cleared = nvdimm_clear_poison(dev, pmem->phys_addr + offset, len);
if (cleared < len)
rc = BLK_STS_IOERR;
if (cleared > 0 && cleared / 512) {
hwpoison_clear(pmem, pmem->phys_addr + offset, cleared);
cleared /= 512;
dev_dbg(dev, "%#llx clear %ld sector%s\n",
(unsigned long long) sector, cleared,
cleared > 1 ? "s" : "");
badblocks_clear(&pmem->bb, sector, cleared);
if (pmem->bb_state)
sysfs_notify_dirent(pmem->bb_state);
}
arch_invalidate_pmem(pmem->virt_addr + offset, len);
return rc;
}
static int pmem_clear_poison(struct pmem_device *pmem, phys_addr_t offset,
unsigned int len)
{
struct device *dev = to_dev(pmem);
sector_t sector;
long cleared;
int rc = 0;
sector = (offset - pmem->data_offset) / 512;
cleared = nvdimm_clear_poison(dev, pmem->phys_addr + offset, len);
if (cleared < len)
rc = -EIO;
if (cleared > 0 && cleared / 512) {
cleared /= 512;
dev_dbg(dev, "%s: %#llx clear %ld sector%s\n", __func__,
(unsigned long long) sector, cleared,
cleared > 1 ? "s" : "");
badblocks_clear(&pmem->bb, sector, cleared);
}
invalidate_pmem(pmem->virt_addr + offset, len);
return rc;
}
static ssize_t show_log_level(struct kobject *kobj, struct attribute *attr,
char *buff)
{
struct device *dev = to_dev(kobj->parent);
struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
int log_level = atomic_read(&bat_priv->log_level);
return sprintf(buff, "%d\n", log_level);
}
static ssize_t show_orig_interval(struct kobject *kobj, struct attribute *attr,
char *buff)
{
struct device *dev = to_dev(kobj->parent);
struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
return sprintf(buff, "%i\n",
atomic_read(&bat_priv->orig_interval));
}
static void audmapp_write(struct audmapp_chan *auchan, u32 data, u32 reg)
{
struct audmapp_device *audev = to_dev(auchan);
struct device *dev = audev->dev;
dev_dbg(dev, "w %p : %08x\n", auchan->base + reg, data);
iowrite32(data, auchan->base + reg);
}
static u32 mt9m032_row_time(struct mt9m032 *sensor, unsigned int width)
{
unsigned int effective_width;
u32 ns;
effective_width = width + 716; /* empirical value */
ns = div_u64(1000000000ULL * effective_width, sensor->pix_clock);
dev_dbg(to_dev(sensor), "MT9M032 line time: %u ns\n", ns);
return ns;
}
static ssize_t show_bond(struct kobject *kobj, struct attribute *attr,
char *buff)
{
struct device *dev = to_dev(kobj->parent);
struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
int bond_status = atomic_read(&bat_priv->bonding_enabled);
return sprintf(buff, "%s\n",
bond_status == 0 ? "disabled" : "enabled");
}
static ssize_t
dev_attr_show(struct kobject * kobj, struct attribute * attr, char * buf)
{
struct device_attribute * dev_attr = to_dev_attr(attr);
struct device * dev = to_dev(kobj);
ssize_t ret = -EIO;
if (dev_attr->show)
ret = dev_attr->show(dev, dev_attr, buf);
return ret;
}
static int dev_hotplug_filter(struct kset *kset, struct kobject *kobj)
{
struct kobj_type *ktype = get_ktype(kobj);
if (ktype == &ktype_device) {
struct device *dev = to_dev(kobj);
if (dev->bus)
return 1;
}
return 0;
}
static ssize_t show_vis_mode(struct kobject *kobj, struct attribute *attr,
char *buff)
{
struct device *dev = to_dev(kobj->parent);
struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
int vis_mode = atomic_read(&bat_priv->vis_mode);
return sprintf(buff, "%s\n",
vis_mode == VIS_TYPE_CLIENT_UPDATE ?
"client" : "server");
}
static ssize_t
dev_attr_store(struct kobject * kobj, struct attribute * attr,
const char * buf, size_t count)
{
struct device_attribute * dev_attr = to_dev_attr(attr);
struct device * dev = to_dev(kobj);
ssize_t ret = -EIO;
if (dev_attr->store)
ret = dev_attr->store(dev, dev_attr, buf, count);
return ret;
}
/**
* device_release - free device structure.
* @kobj: device's kobject.
*
* This is called once the reference count for the object
* reaches 0. We forward the call to the device's release
* method, which should handle actually freeing the structure.
*/
static void device_release(struct kobject * kobj)
{
struct device * dev = to_dev(kobj);
if (dev->release)
dev->release(dev);
else {
printk(KERN_ERR "Device '%s' does not have a release() function, "
"it is broken and must be fixed.\n",
dev->bus_id);
WARN_ON(1);
}
}
static ssize_t show_mesh_iface(struct kobject *kobj, struct attribute *attr,
char *buff)
{
struct device *dev = to_dev(kobj->parent);
struct net_device *net_dev = to_net_dev(dev);
struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
if (!batman_if)
return 0;
return sprintf(buff, "%s\n",
batman_if->if_status == IF_NOT_IN_USE ?
"none" : "bat0");
}
static void audmapp_start_xfer(struct shdma_chan *schan,
struct shdma_desc *sdesc)
{
struct audmapp_chan *auchan = to_chan(schan);
struct audmapp_device *audev = to_dev(auchan);
struct audmapp_desc *desc = to_desc(sdesc);
struct device *dev = audev->dev;
u32 chcr = auchan->chcr | PDMACHCR_DE;
dev_dbg(dev, "src/dst/chcr = %pad/%pad/%08x\n",
&desc->src, &desc->dst, chcr);
audmapp_write(auchan, desc->src, PDMASAR);
audmapp_write(auchan, desc->dst, PDMADAR);
audmapp_write(auchan, chcr, PDMACHCR);
}
static int audmapp_get_config(struct audmapp_chan *auchan, int slave_id,
u32 *chcr, dma_addr_t *dst)
{
struct audmapp_device *audev = to_dev(auchan);
struct audmapp_pdata *pdata = audev->pdata;
struct audmapp_slave_config *cfg;
int i;
*chcr = 0;
*dst = 0;
if (!pdata) { /* DT */
*chcr = ((u32)slave_id) << 16;
auchan->shdma_chan.slave_id = (slave_id) >> 8;
return 0;
}
/*
* Export the forwarding information table as a binary file
* The records are struct __fdb_entry.
*
* Returns the number of bytes read.
*/
static ssize_t brforward_read(struct kobject *kobj, char *buf,
loff_t off, size_t count)
{
struct device *dev = to_dev(kobj);
struct net_bridge *br = to_bridge(dev);
int n;
/* must read whole records */
if (off % sizeof(struct __fdb_entry) != 0)
return -EINVAL;
n = br_fdb_fillbuf(br, buf,
count / sizeof(struct __fdb_entry),
off / sizeof(struct __fdb_entry));
if (n > 0)
n *= sizeof(struct __fdb_entry);
return n;
}
static ssize_t store_vis_mode(struct kobject *kobj, struct attribute *attr,
char *buff, size_t count)
{
struct device *dev = to_dev(kobj->parent);
struct net_device *net_dev = to_net_dev(dev);
struct bat_priv *bat_priv = netdev_priv(net_dev);
unsigned long val;
int ret, vis_mode_tmp = -1;
ret = strict_strtoul(buff, 10, &val);
if (((count == 2) && (!ret) && (val == VIS_TYPE_CLIENT_UPDATE)) ||
(strncmp(buff, "client", 6) == 0) ||
(strncmp(buff, "off", 3) == 0))
vis_mode_tmp = VIS_TYPE_CLIENT_UPDATE;
if (((count == 2) && (!ret) && (val == VIS_TYPE_SERVER_SYNC)) ||
(strncmp(buff, "server", 6) == 0))
vis_mode_tmp = VIS_TYPE_SERVER_SYNC;
if (vis_mode_tmp < 0) {
if (buff[count - 1] == '\n')
buff[count - 1] = '\0';
bat_info(net_dev,
"Invalid parameter for 'vis mode' setting received: "
"%s\n", buff);
return -EINVAL;
}
if (atomic_read(&bat_priv->vis_mode) == vis_mode_tmp)
return count;
bat_info(net_dev, "Changing vis mode from: %s to: %s\n",
atomic_read(&bat_priv->vis_mode) == VIS_TYPE_CLIENT_UPDATE ?
"client" : "server", vis_mode_tmp == VIS_TYPE_CLIENT_UPDATE ?
"client" : "server");
atomic_set(&bat_priv->vis_mode, (unsigned)vis_mode_tmp);
return count;
}
static int dev_hotplug(struct kset *kset, struct kobject *kobj, char **envp,
int num_envp, char *buffer, int buffer_size)
{
struct device *dev = to_dev(kobj);
int i = 0;
int length = 0;
int retval = 0;
/* add bus name of physical device */
if (dev->bus)
add_hotplug_env_var(envp, num_envp, &i,
buffer, buffer_size, &length,
"PHYSDEVBUS=%s", dev->bus->name);
/* add driver name of physical device */
if (dev->driver)
add_hotplug_env_var(envp, num_envp, &i,
buffer, buffer_size, &length,
"PHYSDEVDRIVER=%s", dev->driver->name);
/* terminate, set to next free slot, shrink available space */
envp[i] = NULL;
envp = &envp[i];
num_envp -= i;
buffer = &buffer[length];
buffer_size -= length;
if (dev->bus && dev->bus->hotplug) {
/* have the bus specific function add its stuff */
retval = dev->bus->hotplug (dev, envp, num_envp, buffer, buffer_size);
if (retval) {
pr_debug ("%s - hotplug() returned %d\n",
__FUNCTION__, retval);
}
}
return retval;
}
static ssize_t store_mesh_iface(struct kobject *kobj, struct attribute *attr,
char *buff, size_t count)
{
struct device *dev = to_dev(kobj->parent);
struct net_device *net_dev = to_net_dev(dev);
struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
int status_tmp = -1;
if (!batman_if)
return count;
if (strncmp(buff, "none", 4) == 0)
status_tmp = IF_NOT_IN_USE;
if (strncmp(buff, "bat0", 4) == 0)
status_tmp = IF_I_WANT_YOU;
if (status_tmp < 0) {
if (buff[count - 1] == '\n')
buff[count - 1] = '\0';
pr_err("Invalid parameter for 'mesh_iface' setting received: "
"%s\n", buff);
return -EINVAL;
}
if ((batman_if->if_status == status_tmp) ||
((status_tmp == IF_I_WANT_YOU) &&
(batman_if->if_status != IF_NOT_IN_USE)))
return count;
if (status_tmp == IF_I_WANT_YOU)
status_tmp = hardif_enable_interface(batman_if);
else
hardif_disable_interface(batman_if);
return (status_tmp < 0 ? status_tmp : count);
}
static ssize_t store_bond(struct kobject *kobj, struct attribute *attr,
char *buff, size_t count)
{
struct device *dev = to_dev(kobj->parent);
struct net_device *net_dev = to_net_dev(dev);
struct bat_priv *bat_priv = netdev_priv(net_dev);
int bonding_enabled_tmp = -1;
if (((count == 2) && (buff[0] == '1')) ||
(strncmp(buff, "enable", 6) == 0))
bonding_enabled_tmp = 1;
if (((count == 2) && (buff[0] == '0')) ||
(strncmp(buff, "disable", 7) == 0))
bonding_enabled_tmp = 0;
if (bonding_enabled_tmp < 0) {
if (buff[count - 1] == '\n')
buff[count - 1] = '\0';
bat_err(net_dev,
"Invalid parameter for 'bonding' setting received: "
"%s\n", buff);
return -EINVAL;
}
if (atomic_read(&bat_priv->bonding_enabled) == bonding_enabled_tmp)
return count;
bat_info(net_dev, "Changing bonding from: %s to: %s\n",
atomic_read(&bat_priv->bonding_enabled) == 1 ?
"enabled" : "disabled",
bonding_enabled_tmp == 1 ? "enabled" : "disabled");
atomic_set(&bat_priv->bonding_enabled, (unsigned)bonding_enabled_tmp);
return count;
}
static ssize_t show_iface_status(struct kobject *kobj, struct attribute *attr,
char *buff)
{
struct device *dev = to_dev(kobj->parent);
struct net_device *net_dev = to_net_dev(dev);
struct batman_if *batman_if = get_batman_if_by_netdev(net_dev);
if (!batman_if)
return 0;
switch (batman_if->if_status) {
case IF_TO_BE_REMOVED:
return sprintf(buff, "disabling\n");
case IF_INACTIVE:
return sprintf(buff, "inactive\n");
case IF_ACTIVE:
return sprintf(buff, "active\n");
case IF_TO_BE_ACTIVATED:
return sprintf(buff, "enabling\n");
case IF_NOT_IN_USE:
default:
return sprintf(buff, "not in use\n");
}
}
struct device * get_device(struct device * dev)
{
return dev ? to_dev(kobject_get(&dev->kobj)) : NULL;
}
static struct nd_region *to_region(struct pmem_device *pmem)
{
return to_nd_region(to_dev(pmem)->parent);
}
int mcp2210_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
{
struct mcp2210_device *dev = to_dev(chip);
return irq_create_mapping(dev->irq_domain, offset);
}
static const char *dev_hotplug_name(struct kset *kset, struct kobject *kobj)
{
struct device *dev = to_dev(kobj);
return dev->bus->name;
}
