static int qlcnic_set_led(struct net_device *dev,
enum ethtool_phys_id_state state)
{
struct qlcnic_adapter *adapter = netdev_priv(dev);
int max_sds_rings = adapter->max_sds_rings;
int err = -EIO, active = 1;
if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
netdev_warn(dev, "LED test not supported for non "
"privilege function\n");
return -EOPNOTSUPP;
}
switch (state) {
case ETHTOOL_ID_ACTIVE:
if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state))
return -EBUSY;
if (test_bit(__QLCNIC_RESETTING, &adapter->state))
break;
if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
if (qlcnic_diag_alloc_res(dev, QLCNIC_LED_TEST))
break;
set_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state);
}
if (adapter->nic_ops->config_led(adapter, 1, 0xf) == 0) {
err = 0;
break;
}
dev_err(&adapter->pdev->dev,
"Failed to set LED blink state.\n");
break;
case ETHTOOL_ID_INACTIVE:
active = 0;
if (test_bit(__QLCNIC_RESETTING, &adapter->state))
break;
if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) {
if (qlcnic_diag_alloc_res(dev, QLCNIC_LED_TEST))
break;
set_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state);
}
if (adapter->nic_ops->config_led(adapter, 0, 0xf))
dev_err(&adapter->pdev->dev,
"Failed to reset LED blink state.\n");
break;
default:
return -EINVAL;
}
if (test_and_clear_bit(__QLCNIC_DIAG_RES_ALLOC, &adapter->state))
qlcnic_diag_free_res(dev, max_sds_rings);
if (!active || err)
clear_bit(__QLCNIC_LED_ENABLE, &adapter->state);
return err;
}
void __destroy_context(unsigned long ctx)
{
clear_bit(ctx, context_map);
}
static void enable_lguest_irq(unsigned int irq)
{
clear_bit(irq, lguest_data.blocked_interrupts);
}
/***************************************
* bt_close - close handle to the device
***************************************/
static int bt_close(struct hci_dev *hdev)
{
PRIN_LOG("HCI PAL: bt_close - enter\n");
clear_bit(HCI_RUNNING, &hdev->flags);
return 0;
}
static int start_usb_playback(struct ua101 *ua)
{
unsigned int i, frames;
struct urb *urb;
int err = 0;
if (test_bit(DISCONNECTED, &ua->states))
return -ENODEV;
if (test_bit(USB_PLAYBACK_RUNNING, &ua->states))
return 0;
kill_stream_urbs(&ua->playback);
tasklet_kill(&ua->playback_tasklet);
err = enable_iso_interface(ua, INTF_PLAYBACK);
if (err < 0)
return err;
clear_bit(PLAYBACK_URB_COMPLETED, &ua->states);
ua->playback.urbs[0]->urb.complete =
first_playback_urb_complete;
spin_lock_irq(&ua->lock);
INIT_LIST_HEAD(&ua->ready_playback_urbs);
spin_unlock_irq(&ua->lock);
/*
* We submit the initial URBs all at once, so we have to wait for the
* packet size FIFO to be full.
*/
wait_event(ua->rate_feedback_wait,
ua->rate_feedback_count >= ua->playback.queue_length ||
!test_bit(USB_CAPTURE_RUNNING, &ua->states) ||
test_bit(DISCONNECTED, &ua->states));
if (test_bit(DISCONNECTED, &ua->states)) {
stop_usb_playback(ua);
return -ENODEV;
}
if (!test_bit(USB_CAPTURE_RUNNING, &ua->states)) {
stop_usb_playback(ua);
return -EIO;
}
for (i = 0; i < ua->playback.queue_length; ++i) {
/* all initial URBs contain silence */
spin_lock_irq(&ua->lock);
frames = ua->rate_feedback[ua->rate_feedback_start];
add_with_wraparound(ua, &ua->rate_feedback_start, 1);
ua->rate_feedback_count--;
spin_unlock_irq(&ua->lock);
urb = &ua->playback.urbs[i]->urb;
urb->iso_frame_desc[0].length =
frames * ua->playback.frame_bytes;
memset(urb->transfer_buffer, 0,
urb->iso_frame_desc[0].length);
}
set_bit(USB_PLAYBACK_RUNNING, &ua->states);
err = submit_stream_urbs(ua, &ua->playback);
if (err < 0)
stop_usb_playback(ua);
return err;
}
/**
* Return the data stream that will be used
*/
int select_data_stream(FF_PKT *ff_pkt, bool compatible)
{
int stream;
/* This is a plugin special restore object */
if (ff_pkt->type == FT_RESTORE_FIRST) {
clear_all_bits(FO_MAX, ff_pkt->flags);
return STREAM_FILE_DATA;
}
/*
* Fix all incompatible options
*/
/**
* No sparse option for encrypted data
*/
if (bit_is_set(FO_ENCRYPT, ff_pkt->flags)) {
clear_bit(FO_SPARSE, ff_pkt->flags);
}
/*
* Note, no sparse option for win32_data
*/
if (!is_portable_backup(&ff_pkt->bfd)) {
stream = STREAM_WIN32_DATA;
clear_bit(FO_SPARSE, ff_pkt->flags);
} else if (bit_is_set(FO_SPARSE, ff_pkt->flags)) {
stream = STREAM_SPARSE_DATA;
} else {
stream = STREAM_FILE_DATA;
}
if (bit_is_set(FO_OFFSETS, ff_pkt->flags)) {
stream = STREAM_SPARSE_DATA;
}
/*
* Encryption is only supported for file data
*/
if (stream != STREAM_FILE_DATA &&
stream != STREAM_WIN32_DATA &&
stream != STREAM_MACOS_FORK_DATA) {
clear_bit(FO_ENCRYPT, ff_pkt->flags);
}
/*
* Compression is not supported for Mac fork data
*/
if (stream == STREAM_MACOS_FORK_DATA) {
clear_bit(FO_COMPRESS, ff_pkt->flags);
}
/*
* Handle compression and encryption options
*/
if (bit_is_set(FO_COMPRESS, ff_pkt->flags)) {
if (compatible && ff_pkt->Compress_algo == COMPRESS_GZIP) {
switch (stream) {
case STREAM_WIN32_DATA:
stream = STREAM_WIN32_GZIP_DATA;
break;
case STREAM_SPARSE_DATA:
stream = STREAM_SPARSE_GZIP_DATA;
break;
case STREAM_FILE_DATA:
stream = STREAM_GZIP_DATA;
break;
default:
/**
* All stream types that do not support compression should clear out
* FO_COMPRESS above, and this code block should be unreachable.
*/
ASSERT(!bit_is_set(FO_COMPRESS, ff_pkt->flags));
return STREAM_NONE;
}
} else {
switch (stream) {
case STREAM_WIN32_DATA:
stream = STREAM_WIN32_COMPRESSED_DATA;
break;
case STREAM_SPARSE_DATA:
stream = STREAM_SPARSE_COMPRESSED_DATA;
break;
case STREAM_FILE_DATA:
stream = STREAM_COMPRESSED_DATA;
break;
default:
/*
* All stream types that do not support compression should clear out
* FO_COMPRESS above, and this code block should be unreachable.
*/
ASSERT(!bit_is_set(FO_COMPRESS, ff_pkt->flags));
return STREAM_NONE;
}
}
}
#ifdef HAVE_CRYPTO
if (bit_is_set(FO_ENCRYPT, ff_pkt->flags)) {
switch (stream) {
case STREAM_WIN32_DATA:
stream = STREAM_ENCRYPTED_WIN32_DATA;
break;
case STREAM_WIN32_GZIP_DATA:
stream = STREAM_ENCRYPTED_WIN32_GZIP_DATA;
break;
case STREAM_WIN32_COMPRESSED_DATA:
stream = STREAM_ENCRYPTED_WIN32_COMPRESSED_DATA;
break;
case STREAM_FILE_DATA:
stream = STREAM_ENCRYPTED_FILE_DATA;
break;
case STREAM_GZIP_DATA:
stream = STREAM_ENCRYPTED_FILE_GZIP_DATA;
break;
case STREAM_COMPRESSED_DATA:
stream = STREAM_ENCRYPTED_FILE_COMPRESSED_DATA;
break;
default:
/*
* All stream types that do not support encryption should clear out
* FO_ENCRYPT above, and this code block should be unreachable.
*/
ASSERT(!bit_is_set(FO_ENCRYPT, ff_pkt->flags));
return STREAM_NONE;
}
}
#endif
return stream;
}
static int
startup(struct async_struct *info)
{
unsigned long flags;
int retval=0;
irqreturn_t (*handler)(int, void *, struct pt_regs *);
struct serial_state *state= info->state;
unsigned long page;
page = get_zeroed_page(GFP_KERNEL);
if (!page)
return -ENOMEM;
local_irq_save(flags);
if (info->flags & ASYNC_INITIALIZED) {
free_page(page);
goto errout;
}
if (!state->port || !state->type) {
if (info->tty) set_bit(TTY_IO_ERROR, &info->tty->flags);
free_page(page);
goto errout;
}
if (info->xmit.buf)
free_page(page);
else
info->xmit.buf = (unsigned char *) page;
#ifdef SIMSERIAL_DEBUG
printk("startup: ttys%d (irq %d)...", info->line, state->irq);
#endif
/*
* Allocate the IRQ if necessary
*/
if (state->irq && (!IRQ_ports[state->irq] ||
!IRQ_ports[state->irq]->next_port)) {
if (IRQ_ports[state->irq]) {
retval = -EBUSY;
goto errout;
} else
handler = rs_interrupt_single;
retval = request_irq(state->irq, handler, IRQ_T(info), "simserial", NULL);
if (retval) {
if (capable(CAP_SYS_ADMIN)) {
if (info->tty)
set_bit(TTY_IO_ERROR,
&info->tty->flags);
retval = 0;
}
goto errout;
}
}
/*
* Insert serial port into IRQ chain.
*/
info->prev_port = 0;
info->next_port = IRQ_ports[state->irq];
if (info->next_port)
info->next_port->prev_port = info;
IRQ_ports[state->irq] = info;
if (info->tty) clear_bit(TTY_IO_ERROR, &info->tty->flags);
info->xmit.head = info->xmit.tail = 0;
#if 0
/*
* Set up serial timers...
*/
timer_table[RS_TIMER].expires = jiffies + 2*HZ/100;
timer_active |= 1 << RS_TIMER;
#endif
/*
* Set up the tty->alt_speed kludge
*/
if (info->tty) {
if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
info->tty->alt_speed = 57600;
if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
info->tty->alt_speed = 115200;
if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
info->tty->alt_speed = 230400;
if ((info->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
info->tty->alt_speed = 460800;
}
info->flags |= ASYNC_INITIALIZED;
local_irq_restore(flags);
return 0;
errout:
local_irq_restore(flags);
return retval;
}
/*
* run through the list of inodes in the FS that need
* defragging
*/
int btrfs_run_defrag_inodes(struct btrfs_fs_info *fs_info)
{
struct inode_defrag *defrag;
struct btrfs_root *inode_root;
struct inode *inode;
struct rb_node *n;
struct btrfs_key key;
struct btrfs_ioctl_defrag_range_args range;
u64 first_ino = 0;
u64 root_objectid = 0;
int num_defrag;
int defrag_batch = 1024;
memset(&range, 0, sizeof(range));
range.len = (u64)-1;
atomic_inc(&fs_info->defrag_running);
spin_lock(&fs_info->defrag_inodes_lock);
while(1) {
n = NULL;
/* find an inode to defrag */
defrag = btrfs_find_defrag_inode(fs_info, root_objectid,
first_ino, &n);
if (!defrag) {
if (n) {
defrag = rb_entry(n, struct inode_defrag,
rb_node);
} else if (root_objectid || first_ino) {
root_objectid = 0;
first_ino = 0;
continue;
} else {
break;
}
}
/* remove it from the rbtree */
first_ino = defrag->ino + 1;
root_objectid = defrag->root;
rb_erase(&defrag->rb_node, &fs_info->defrag_inodes);
if (btrfs_fs_closing(fs_info))
goto next_free;
spin_unlock(&fs_info->defrag_inodes_lock);
/* get the inode */
key.objectid = defrag->root;
btrfs_set_key_type(&key, BTRFS_ROOT_ITEM_KEY);
key.offset = (u64)-1;
inode_root = btrfs_read_fs_root_no_name(fs_info, &key);
if (IS_ERR(inode_root))
goto next;
key.objectid = defrag->ino;
btrfs_set_key_type(&key, BTRFS_INODE_ITEM_KEY);
key.offset = 0;
inode = btrfs_iget(fs_info->sb, &key, inode_root, NULL);
if (IS_ERR(inode))
goto next;
/* do a chunk of defrag */
clear_bit(BTRFS_INODE_IN_DEFRAG, &BTRFS_I(inode)->runtime_flags);
range.start = defrag->last_offset;
num_defrag = btrfs_defrag_file(inode, NULL, &range, defrag->transid,
defrag_batch);
/*
* if we filled the whole defrag batch, there
* must be more work to do. Queue this defrag
* again
*/
if (num_defrag == defrag_batch) {
defrag->last_offset = range.start;
__btrfs_add_inode_defrag(inode, defrag);
/*
* we don't want to kfree defrag, we added it back to
* the rbtree
*/
defrag = NULL;
} else if (defrag->last_offset && !defrag->cycled) {
/*
* we didn't fill our defrag batch, but
* we didn't start at zero. Make sure we loop
* around to the start of the file.
*/
defrag->last_offset = 0;
defrag->cycled = 1;
__btrfs_add_inode_defrag(inode, defrag);
defrag = NULL;
}
iput(inode);
next:
spin_lock(&fs_info->defrag_inodes_lock);
next_free:
kfree(defrag);
}
static int clamp_thread(void *arg)
{
int cpunr = (unsigned long)arg;
DEFINE_TIMER(wakeup_timer, noop_timer, 0, 0);
static const struct sched_param param = {
.sched_priority = MAX_USER_RT_PRIO/2,
};
unsigned int count = 0;
unsigned int target_ratio;
set_bit(cpunr, cpu_clamping_mask);
set_freezable();
init_timer_on_stack(&wakeup_timer);
sched_setscheduler(current, SCHED_FIFO, ¶m);
while (true == clamping && !kthread_should_stop() &&
cpu_online(cpunr)) {
int sleeptime;
unsigned long target_jiffies;
unsigned int guard;
unsigned int compensation = 0;
int interval; /* jiffies to sleep for each attempt */
unsigned int duration_jiffies = msecs_to_jiffies(duration);
unsigned int window_size_now;
try_to_freeze();
/*
* make sure user selected ratio does not take effect until
* the next round. adjust target_ratio if user has changed
* target such that we can converge quickly.
*/
target_ratio = set_target_ratio;
guard = 1 + target_ratio/20;
window_size_now = window_size;
count++;
/*
* systems may have different ability to enter package level
* c-states, thus we need to compensate the injected idle ratio
* to achieve the actual target reported by the HW.
*/
compensation = get_compensation(target_ratio);
interval = duration_jiffies*100/(target_ratio+compensation);
/* align idle time */
target_jiffies = roundup(jiffies, interval);
sleeptime = target_jiffies - jiffies;
if (sleeptime <= 0)
sleeptime = 1;
schedule_timeout_interruptible(sleeptime);
/*
* only elected controlling cpu can collect stats and update
* control parameters.
*/
if (cpunr == control_cpu && !(count%window_size_now)) {
should_skip =
powerclamp_adjust_controls(target_ratio,
guard, window_size_now);
smp_mb();
}
if (should_skip)
continue;
target_jiffies = jiffies + duration_jiffies;
mod_timer(&wakeup_timer, target_jiffies);
if (unlikely(local_softirq_pending()))
continue;
/*
* stop tick sched during idle time, interrupts are still
* allowed. thus jiffies are updated properly.
*/
preempt_disable();
tick_nohz_idle_enter();
/* mwait until target jiffies is reached */
while (time_before(jiffies, target_jiffies)) {
unsigned long ecx = 1;
unsigned long eax = target_mwait;
/*
* REVISIT: may call enter_idle() to notify drivers who
* can save power during cpu idle. same for exit_idle()
*/
local_touch_nmi();
stop_critical_timings();
mwait_idle_with_hints(eax, ecx);
start_critical_timings();
atomic_inc(&idle_wakeup_counter);
}
tick_nohz_idle_exit();
preempt_enable_no_resched();
}
del_timer_sync(&wakeup_timer);
clear_bit(cpunr, cpu_clamping_mask);
return 0;
}
/*
* 1 HZ polling while clamping is active, useful for userspace
* to monitor actual idle ratio.
*/
static void poll_pkg_cstate(struct work_struct *dummy);
static DECLARE_DELAYED_WORK(poll_pkg_cstate_work, poll_pkg_cstate);
static void poll_pkg_cstate(struct work_struct *dummy)
{
static u64 msr_last;
static u64 tsc_last;
static unsigned long jiffies_last;
u64 msr_now;
unsigned long jiffies_now;
u64 tsc_now;
u64 val64;
msr_now = pkg_state_counter();
rdtscll(tsc_now);
jiffies_now = jiffies;
/* calculate pkg cstate vs tsc ratio */
if (!msr_last || !tsc_last)
pkg_cstate_ratio_cur = 1;
else {
if (tsc_now - tsc_last) {
val64 = 100 * (msr_now - msr_last);
do_div(val64, (tsc_now - tsc_last));
pkg_cstate_ratio_cur = val64;
}
}
/* update record */
msr_last = msr_now;
jiffies_last = jiffies_now;
tsc_last = tsc_now;
if (true == clamping)
schedule_delayed_work(&poll_pkg_cstate_work, HZ);
}
static int start_power_clamp(void)
{
unsigned long cpu;
struct task_struct *thread;
/* check if pkg cstate counter is completely 0, abort in this case */
if (!has_pkg_state_counter()) {
pr_err("pkg cstate counter not functional, abort\n");
return -EINVAL;
}
set_target_ratio = clamp(set_target_ratio, 0U, MAX_TARGET_RATIO - 1);
/* prevent cpu hotplug */
get_online_cpus();
/* prefer BSP */
control_cpu = 0;
if (!cpu_online(control_cpu))
control_cpu = smp_processor_id();
clamping = true;
schedule_delayed_work(&poll_pkg_cstate_work, 0);
/* start one thread per online cpu */
for_each_online_cpu(cpu) {
struct task_struct **p =
per_cpu_ptr(powerclamp_thread, cpu);
thread = kthread_create_on_node(clamp_thread,
(void *) cpu,
cpu_to_node(cpu),
"kidle_inject/%ld", cpu);
/* bind to cpu here */
if (likely(!IS_ERR(thread))) {
kthread_bind(thread, cpu);
wake_up_process(thread);
*p = thread;
}
}
put_online_cpus();
return 0;
}
int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
{
int cmd_idx;
int ret;
BUG_ON(cmd->flags & CMD_ASYNC);
/* A synchronous command can not have a callback set. */
BUG_ON(cmd->callback);
IWL_DEBUG_INFO(priv, "Attempting to send sync command %s\n",
get_cmd_string(cmd->id));
mutex_lock(&priv->sync_cmd_mutex);
set_bit(STATUS_HCMD_ACTIVE, &priv->status);
IWL_DEBUG_INFO(priv, "Setting HCMD_ACTIVE for command %s\n",
get_cmd_string(cmd->id));
cmd_idx = iwl_enqueue_hcmd(priv, cmd);
if (cmd_idx < 0) {
ret = cmd_idx;
IWL_ERR(priv, "Error sending %s: enqueue_hcmd failed: %d\n",
get_cmd_string(cmd->id), ret);
goto out;
}
ret = wait_event_interruptible_timeout(priv->wait_command_queue,
!test_bit(STATUS_HCMD_ACTIVE, &priv->status),
HOST_COMPLETE_TIMEOUT);
if (!ret) {
if (test_bit(STATUS_HCMD_ACTIVE, &priv->status)) {
IWL_ERR(priv,
"Error sending %s: time out after %dms.\n",
get_cmd_string(cmd->id),
jiffies_to_msecs(HOST_COMPLETE_TIMEOUT));
clear_bit(STATUS_HCMD_ACTIVE, &priv->status);
IWL_DEBUG_INFO(priv, "Clearing HCMD_ACTIVE for command %s\n",
get_cmd_string(cmd->id));
ret = -ETIMEDOUT;
goto cancel;
}
}
if (test_bit(STATUS_RF_KILL_HW, &priv->status)) {
IWL_ERR(priv, "Command %s aborted: RF KILL Switch\n",
get_cmd_string(cmd->id));
ret = -ECANCELED;
goto fail;
}
if (test_bit(STATUS_FW_ERROR, &priv->status)) {
IWL_ERR(priv, "Command %s failed: FW Error\n",
get_cmd_string(cmd->id));
ret = -EIO;
goto fail;
}
if ((cmd->flags & CMD_WANT_SKB) && !cmd->reply_page) {
IWL_ERR(priv, "Error: Response NULL in '%s'\n",
get_cmd_string(cmd->id));
ret = -EIO;
goto cancel;
}
ret = 0;
goto out;
cancel:
if (cmd->flags & CMD_WANT_SKB) {
/*
* Cancel the CMD_WANT_SKB flag for the cmd in the
* TX cmd queue. Otherwise in case the cmd comes
* in later, it will possibly set an invalid
* address (cmd->meta.source).
*/
priv->txq[IWL_CMD_QUEUE_NUM].meta[cmd_idx].flags &=
~CMD_WANT_SKB;
}
fail:
if (cmd->reply_page) {
iwl_free_pages(priv, cmd->reply_page);
cmd->reply_page = 0;
}
out:
mutex_unlock(&priv->sync_cmd_mutex);
return ret;
}
static long wdog_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
void __user *argp = (void __user *)arg;
int __user *p = argp;
int new_heartbeat;
int status;
int options;
uint32_t remaining;
struct watchdog_info ident = {
.options = WDIOF_SETTIMEOUT|
WDIOF_MAGICCLOSE|
WDIOF_KEEPALIVEPING,
.firmware_version = 1,
.identity = "BCM2708",
};
switch (cmd) {
case WDIOC_GETSUPPORT:
return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
case WDIOC_GETSTATUS:
status = wdog_get_status();
return put_user(status, p);
case WDIOC_GETBOOTSTATUS:
return put_user(0, p);
case WDIOC_KEEPALIVE:
wdog_ping();
return 0;
case WDIOC_SETTIMEOUT:
if (get_user(new_heartbeat, p))
return -EFAULT;
if (wdog_set_heartbeat(new_heartbeat))
return -EINVAL;
wdog_ping();
/* Fall */
case WDIOC_GETTIMEOUT:
return put_user(heartbeat, p);
case WDIOC_GETTIMELEFT:
remaining = WDOG_TICKS_TO_SECS(wdog_get_remaining());
return put_user(remaining, p);
case WDIOC_SETOPTIONS:
if (get_user(options, p))
return -EFAULT;
if (options & WDIOS_DISABLECARD)
wdog_stop();
if (options & WDIOS_ENABLECARD)
wdog_start(wdog_ticks);
return 0;
default:
return -ENOTTY;
}
}
/**
* @inode: inode of device
* @file: file handle to device
*
* The watchdog device has been opened. The watchdog device is single
* open and on opening we load the counters.
*/
static int wdog_open(struct inode *inode, struct file *file)
{
if (test_and_set_bit(0, &wdog_is_open))
return -EBUSY;
/*
* Activate
*/
wdog_start(wdog_ticks);
return nonseekable_open(inode, file);
}
/**
* @inode: inode to board
* @file: file handle to board
*
* The watchdog has a configurable API. There is a religious dispute
* between people who want their watchdog to be able to shut down and
* those who want to be sure if the watchdog manager dies the machine
* reboots. In the former case we disable the counters, in the latter
* case you have to open it again very soon.
*/
static int wdog_release(struct inode *inode, struct file *file)
{
if (expect_close == 42) {
wdog_stop();
} else {
printk(KERN_CRIT
"wdt: WDT device closed unexpectedly. WDT will not stop!\n");
wdog_ping();
}
clear_bit(0, &wdog_is_open);
expect_close = 0;
return 0;
}
/**
* @this: our notifier block
* @code: the event being reported
* @unused: unused
*
* Our notifier is called on system shutdowns. Turn the watchdog
* off so that it does not fire during the next reboot.
*/
static int wdog_notify_sys(struct notifier_block *this, unsigned long code,
void *unused)
{
if (code == SYS_DOWN || code == SYS_HALT)
wdog_stop();
return NOTIFY_DONE;
}
/*
* Kernel Interfaces
*/
static const struct file_operations wdog_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = wdog_write,
.unlocked_ioctl = wdog_ioctl,
.open = wdog_open,
.release = wdog_release,
};
static struct miscdevice wdog_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &wdog_fops,
};
/*
* The WDT card needs to learn about soft shutdowns in order to
* turn the timebomb registers off.
*/
static struct notifier_block wdog_notifier = {
.notifier_call = wdog_notify_sys,
};
/**
* cleanup_module:
*
* Unload the watchdog. You cannot do this with any file handles open.
* If your watchdog is set to continue ticking on close and you unload
* it, well it keeps ticking. We won't get the interrupt but the board
* will not touch PC memory so all is fine. You just have to load a new
* module in 60 seconds or reboot.
*/
static void __exit wdog_exit(void)
{
misc_deregister(&wdog_miscdev);
unregister_reboot_notifier(&wdog_notifier);
}
static int __init wdog_init(void)
{
int ret;
/* Check that the heartbeat value is within it's range;
if not reset to the default */
if (wdog_set_heartbeat(heartbeat)) {
wdog_set_heartbeat(WD_TIMO);
printk(KERN_INFO "bcm2708_wdog: heartbeat value must be "
"0 < heartbeat < %d, using %d\n",
WDOG_TICKS_TO_SECS(PM_WDOG_TIME_SET),
WD_TIMO);
}
ret = register_reboot_notifier(&wdog_notifier);
if (ret) {
printk(KERN_ERR
"wdt: cannot register reboot notifier (err=%d)\n", ret);
goto out_reboot;
}
ret = misc_register(&wdog_miscdev);
if (ret) {
printk(KERN_ERR
"wdt: cannot register miscdev on minor=%d (err=%d)\n",
WATCHDOG_MINOR, ret);
goto out_misc;
}
printk(KERN_INFO "bcm2708 watchdog, heartbeat=%d sec (nowayout=%d)\n",
heartbeat, nowayout);
return 0;
out_misc:
unregister_reboot_notifier(&wdog_notifier);
out_reboot:
return ret;
}
static int maxiradio_exclusive_release(struct file *file)
{
clear_bit(0, &in_use);
return 0;
}
static int wafwdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
unsigned long arg)
{
int new_timeout;
void __user *argp = (void __user *)arg;
int __user *p = argp;
static struct watchdog_info ident = {
.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = "Wafer 5823 WDT",
};
switch (cmd) {
case WDIOC_GETSUPPORT:
if (copy_to_user(argp, &ident, sizeof (ident)))
return -EFAULT;
break;
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
return put_user(0, p);
case WDIOC_KEEPALIVE:
wafwdt_ping();
break;
case WDIOC_SETTIMEOUT:
if (get_user(new_timeout, p))
return -EFAULT;
if ((new_timeout < 1) || (new_timeout > 255))
return -EINVAL;
timeout = new_timeout;
wafwdt_stop();
wafwdt_start();
/* Fall */
case WDIOC_GETTIMEOUT:
return put_user(timeout, p);
case WDIOC_SETOPTIONS:
{
int options, retval = -EINVAL;
if (get_user(options, p))
return -EFAULT;
if (options & WDIOS_DISABLECARD) {
wafwdt_start();
retval = 0;
}
if (options & WDIOS_ENABLECARD) {
wafwdt_stop();
retval = 0;
}
return retval;
}
default:
return -ENOIOCTLCMD;
}
return 0;
}
static int wafwdt_open(struct inode *inode, struct file *file)
{
if (test_and_set_bit(0, &wafwdt_is_open))
return -EBUSY;
/*
* Activate
*/
wafwdt_start();
return nonseekable_open(inode, file);
}
static int
wafwdt_close(struct inode *inode, struct file *file)
{
if (expect_close == 42) {
wafwdt_stop();
} else {
printk(KERN_CRIT PFX "WDT device closed unexpectedly. WDT will not stop!\n");
wafwdt_ping();
}
clear_bit(0, &wafwdt_is_open);
expect_close = 0;
return 0;
}
/*
* Notifier for system down
*/
static int wafwdt_notify_sys(struct notifier_block *this, unsigned long code, void *unused)
{
if (code == SYS_DOWN || code == SYS_HALT) {
/* Turn the WDT off */
wafwdt_stop();
}
return NOTIFY_DONE;
}
/*
* Kernel Interfaces
*/
static struct file_operations wafwdt_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = wafwdt_write,
.ioctl = wafwdt_ioctl,
.open = wafwdt_open,
.release = wafwdt_close,
};
static struct miscdevice wafwdt_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &wafwdt_fops,
};
/*
* The WDT needs to learn about soft shutdowns in order to
* turn the timebomb registers off.
*/
static struct notifier_block wafwdt_notifier = {
.notifier_call = wafwdt_notify_sys,
};
static int __init wafwdt_init(void)
{
int ret;
printk(KERN_INFO "WDT driver for Wafer 5823 single board computer initialising.\n");
spin_lock_init(&wafwdt_lock);
if (timeout < 1 || timeout > 255) {
timeout = WD_TIMO;
printk (KERN_INFO PFX "timeout value must be 1<=x<=255, using %d\n",
timeout);
}
if (wdt_stop != wdt_start) {
if(!request_region(wdt_stop, 1, "Wafer 5823 WDT")) {
printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
wdt_stop);
ret = -EIO;
goto error;
}
}
if(!request_region(wdt_start, 1, "Wafer 5823 WDT")) {
printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
wdt_start);
ret = -EIO;
goto error2;
}
ret = register_reboot_notifier(&wafwdt_notifier);
if (ret != 0) {
printk (KERN_ERR PFX "cannot register reboot notifier (err=%d)\n",
ret);
goto error3;
}
ret = misc_register(&wafwdt_miscdev);
if (ret != 0) {
printk (KERN_ERR PFX "cannot register miscdev on minor=%d (err=%d)\n",
WATCHDOG_MINOR, ret);
goto error4;
}
printk (KERN_INFO PFX "initialized. timeout=%d sec (nowayout=%d)\n",
timeout, nowayout);
return ret;
error4:
unregister_reboot_notifier(&wafwdt_notifier);
error3:
release_region(wdt_start, 1);
error2:
if (wdt_stop != wdt_start)
release_region(wdt_stop, 1);
error:
return ret;
}
static void __exit wafwdt_exit(void)
{
misc_deregister(&wafwdt_miscdev);
unregister_reboot_notifier(&wafwdt_notifier);
if(wdt_stop != wdt_start)
release_region(wdt_stop, 1);
release_region(wdt_start, 1);
}
static int qlcnic_loopback_test(struct net_device *netdev, u8 mode)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
int max_sds_rings = adapter->max_sds_rings;
struct qlcnic_host_sds_ring *sds_ring;
int loop = 0;
int ret;
if (!(adapter->ahw->capabilities &
QLCNIC_FW_CAPABILITY_MULTI_LOOPBACK)) {
netdev_info(netdev, "Firmware is not loopback test capable\n");
return -EOPNOTSUPP;
}
QLCDB(adapter, DRV, "%s loopback test in progress\n",
mode == QLCNIC_ILB_MODE ? "internal" : "external");
if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) {
netdev_warn(netdev, "Loopback test not supported for non "
"privilege function\n");
return 0;
}
if (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
return -EBUSY;
ret = qlcnic_diag_alloc_res(netdev, QLCNIC_LOOPBACK_TEST);
if (ret)
goto clear_it;
sds_ring = &adapter->recv_ctx->sds_rings[0];
ret = qlcnic_set_lb_mode(adapter, mode);
if (ret)
goto free_res;
adapter->ahw->diag_cnt = 0;
do {
msleep(500);
qlcnic_process_rcv_ring_diag(sds_ring);
if (loop++ > QLCNIC_ILB_MAX_RCV_LOOP) {
netdev_info(netdev, "firmware didnt respond to loopback"
" configure request\n");
ret = -QLCNIC_FW_NOT_RESPOND;
goto free_res;
} else if (adapter->ahw->diag_cnt) {
ret = adapter->ahw->diag_cnt;
goto free_res;
}
} while (!QLCNIC_IS_LB_CONFIGURED(adapter->ahw->loopback_state));
ret = qlcnic_do_lb_test(adapter, mode);
qlcnic_clear_lb_mode(adapter);
free_res:
qlcnic_diag_free_res(netdev, max_sds_rings);
clear_it:
adapter->max_sds_rings = max_sds_rings;
clear_bit(__QLCNIC_RESETTING, &adapter->state);
return ret;
}
int kvmppc_kvm_pv(struct kvm_vcpu *vcpu)
{
int nr = kvmppc_get_gpr(vcpu, 11);
int r;
unsigned long __maybe_unused param1 = kvmppc_get_gpr(vcpu, 3);
unsigned long __maybe_unused param2 = kvmppc_get_gpr(vcpu, 4);
unsigned long __maybe_unused param3 = kvmppc_get_gpr(vcpu, 5);
unsigned long __maybe_unused param4 = kvmppc_get_gpr(vcpu, 6);
unsigned long r2 = 0;
if (!(kvmppc_get_msr(vcpu) & MSR_SF)) {
/* 32 bit mode */
param1 &= 0xffffffff;
param2 &= 0xffffffff;
param3 &= 0xffffffff;
param4 &= 0xffffffff;
}
switch (nr) {
case KVM_HCALL_TOKEN(KVM_HC_PPC_MAP_MAGIC_PAGE):
{
#if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_KVM_BOOK3S_PR_POSSIBLE)
/* Book3S can be little endian, find it out here */
int shared_big_endian = true;
if (vcpu->arch.intr_msr & MSR_LE)
shared_big_endian = false;
if (shared_big_endian != vcpu->arch.shared_big_endian)
kvmppc_swab_shared(vcpu);
vcpu->arch.shared_big_endian = shared_big_endian;
#endif
if (!(param2 & MAGIC_PAGE_FLAG_NOT_MAPPED_NX)) {
/*
* Older versions of the Linux magic page code had
* a bug where they would map their trampoline code
* NX. If that's the case, remove !PR NX capability.
*/
vcpu->arch.disable_kernel_nx = true;
kvm_make_request(KVM_REQ_TLB_FLUSH, vcpu);
}
vcpu->arch.magic_page_pa = param1 & ~0xfffULL;
vcpu->arch.magic_page_ea = param2 & ~0xfffULL;
#ifdef CONFIG_PPC_64K_PAGES
/*
* Make sure our 4k magic page is in the same window of a 64k
* page within the guest and within the host's page.
*/
if ((vcpu->arch.magic_page_pa & 0xf000) !=
((ulong)vcpu->arch.shared & 0xf000)) {
void *old_shared = vcpu->arch.shared;
ulong shared = (ulong)vcpu->arch.shared;
void *new_shared;
shared &= PAGE_MASK;
shared |= vcpu->arch.magic_page_pa & 0xf000;
new_shared = (void*)shared;
memcpy(new_shared, old_shared, 0x1000);
vcpu->arch.shared = new_shared;
}
#endif
r2 = KVM_MAGIC_FEAT_SR | KVM_MAGIC_FEAT_MAS0_TO_SPRG7;
r = EV_SUCCESS;
break;
}
case KVM_HCALL_TOKEN(KVM_HC_FEATURES):
r = EV_SUCCESS;
#if defined(CONFIG_PPC_BOOK3S) || defined(CONFIG_KVM_E500V2)
r2 |= (1 << KVM_FEATURE_MAGIC_PAGE);
#endif
/* Second return value is in r4 */
break;
case EV_HCALL_TOKEN(EV_IDLE):
r = EV_SUCCESS;
kvm_vcpu_block(vcpu);
clear_bit(KVM_REQ_UNHALT, &vcpu->requests);
break;
default:
r = EV_UNIMPLEMENTED;
break;
}
kvmppc_set_gpr(vcpu, 4, r2);
return r;
}
/*
* Legacy thermal throttling
* 1) Avoid NIC destruction due to high temperatures
* Chip will identify dangerously high temperatures that can
* harm the device and will power down
* 2) Avoid the NIC power down due to high temperature
* Throttle early enough to lower the power consumption before
* drastic steps are needed
*/
static void iwl_legacy_tt_handler(struct iwl_priv *priv, s32 temp, bool force)
{
struct iwl_tt_mgmt *tt = &priv->thermal_throttle;
enum iwl_tt_state old_state;
#ifdef CONFIG_IWLWIFI_DEBUG
if ((tt->tt_previous_temp) &&
(temp > tt->tt_previous_temp) &&
((temp - tt->tt_previous_temp) >
IWL_TT_INCREASE_MARGIN)) {
IWL_DEBUG_TEMP(priv,
"Temperature increase %d degree Celsius\n",
(temp - tt->tt_previous_temp));
}
#endif
old_state = tt->state;
/* in Celsius */
if (temp >= IWL_MINIMAL_POWER_THRESHOLD)
tt->state = IWL_TI_CT_KILL;
else if (temp >= IWL_REDUCED_PERFORMANCE_THRESHOLD_2)
tt->state = IWL_TI_2;
else if (temp >= IWL_REDUCED_PERFORMANCE_THRESHOLD_1)
tt->state = IWL_TI_1;
else
tt->state = IWL_TI_0;
#ifdef CONFIG_IWLWIFI_DEBUG
tt->tt_previous_temp = temp;
#endif
/* stop ct_kill_waiting_tm timer */
del_timer_sync(&priv->thermal_throttle.ct_kill_waiting_tm);
if (tt->state != old_state) {
switch (tt->state) {
case IWL_TI_0:
/*
* When the system is ready to go back to IWL_TI_0
* we only have to call iwl_power_update_mode() to
* do so.
*/
break;
case IWL_TI_1:
tt->tt_power_mode = IWL_POWER_INDEX_3;
break;
case IWL_TI_2:
tt->tt_power_mode = IWL_POWER_INDEX_4;
break;
default:
tt->tt_power_mode = IWL_POWER_INDEX_5;
break;
}
mutex_lock(&priv->mutex);
if (old_state == IWL_TI_CT_KILL)
clear_bit(STATUS_CT_KILL, &priv->status);
if (tt->state != IWL_TI_CT_KILL &&
iwl_power_update_mode(priv, true)) {
/* TT state not updated
* try again during next temperature read
*/
if (old_state == IWL_TI_CT_KILL)
set_bit(STATUS_CT_KILL, &priv->status);
tt->state = old_state;
IWL_ERR(priv, "Cannot update power mode, "
"TT state not updated\n");
} else {
if (tt->state == IWL_TI_CT_KILL) {
if (force) {
set_bit(STATUS_CT_KILL, &priv->status);
iwl_perform_ct_kill_task(priv, true);
} else {
iwl_prepare_ct_kill_task(priv);
tt->state = old_state;
}
} else if (old_state == IWL_TI_CT_KILL &&
tt->state != IWL_TI_CT_KILL)
iwl_perform_ct_kill_task(priv, false);
IWL_DEBUG_TEMP(priv, "Temperature state changed %u\n",
tt->state);
IWL_DEBUG_TEMP(priv, "Power Index change to %u\n",
tt->tt_power_mode);
}
mutex_unlock(&priv->mutex);
}
}
int ctp_simulate_ps_operate(void* self, uint32_t command, void* buff_in, int size_in,
void* buff_out, int size_out, int* actualout)
{
int err=0;
int value;
hwm_sensor_data* sensor_data;
struct ctp_simulate_priv *obj = (struct ctp_simulate_priv *)self;
switch (command)
{
case SENSOR_DELAY:
CTP_PS_LOG("SENSOR_DELAY \n");
break;
case SENSOR_ENABLE:
CTP_PS_LOG("[FT_PS] SENSOR_ENABLE \n");
if((buff_in == NULL) || (size_in < sizeof(int)))
{
CTP_PS_LOG("Enable sensor parameter error!\n");
err = -EINVAL;
}
else
{
value = *(int *)buff_in;
if(value)
{
if(err != pls_enable())
{
CTP_PS_LOG("enable ps fail: %d\n", err);
return -1;
}
set_bit(CMC_BIT_PS, &obj->enable);
}
else
{
if(err != pls_disable())
{
printk("disable ps fail: %d\n", err);
return -1;
}
clear_bit(CMC_BIT_PS, &obj->enable);
}
}
break;
case SENSOR_GET_DATA:
//printk("[FT_PS] SENSOR_GET_DATA \n");
if((buff_out == NULL) || (size_out< sizeof(hwm_sensor_data)))
{
CTP_PS_LOG("get sensor data parameter error!\n");
err = -EINVAL;
}
else
{
sensor_data = (hwm_sensor_data *)buff_out;
CTP_PS_LOG("SENSOR_GET_DATA");
//mdelay(160);
//printk("[FT_PS] ps_operate ps data=%d!\n",get_data());
sensor_data->values[0] = get_data();
sensor_data->value_divide = 1;
sensor_data->status = SENSOR_STATUS_ACCURACY_MEDIUM;
}
break;
default:
break;
}
return 0;
}
void iwl_tx_cmd_complete(struct iwl_trans *trans, struct iwl_rx_cmd_buffer *rxb,
int handler_status)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
u16 sequence = le16_to_cpu(pkt->hdr.sequence);
int txq_id = SEQ_TO_QUEUE(sequence);
int index = SEQ_TO_INDEX(sequence);
int cmd_index;
struct iwl_device_cmd *cmd;
struct iwl_cmd_meta *meta;
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_tx_queue *txq = &trans_pcie->txq[trans_pcie->cmd_queue];
if (WARN(txq_id != trans_pcie->cmd_queue,
"wrong command queue %d (should be %d), sequence 0x%X readp=%d writep=%d\n",
txq_id, trans_pcie->cmd_queue, sequence,
trans_pcie->txq[trans_pcie->cmd_queue].q.read_ptr,
trans_pcie->txq[trans_pcie->cmd_queue].q.write_ptr)) {
iwl_print_hex_error(trans, pkt, 32);
return;
}
spin_lock(&txq->lock);
cmd_index = get_cmd_index(&txq->q, index);
cmd = txq->cmd[cmd_index];
meta = &txq->meta[cmd_index];
txq->time_stamp = jiffies;
iwlagn_unmap_tfd(trans, meta, &txq->tfds[index],
DMA_BIDIRECTIONAL);
if (meta->flags & CMD_WANT_SKB) {
struct page *p = rxb_steal_page(rxb);
meta->source->resp_pkt = pkt;
meta->source->_rx_page_addr = (unsigned long)page_address(p);
meta->source->_rx_page_order = hw_params(trans).rx_page_order;
meta->source->handler_status = handler_status;
}
iwl_hcmd_queue_reclaim(trans, txq_id, index);
if (!(meta->flags & CMD_ASYNC)) {
if (!test_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status)) {
IWL_WARN(trans,
"HCMD_ACTIVE already clear for command %s\n",
get_cmd_string(cmd->hdr.cmd));
}
clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status);
IWL_DEBUG_INFO(trans, "Clearing HCMD_ACTIVE for command %s\n",
get_cmd_string(cmd->hdr.cmd));
wake_up(&trans->wait_command_queue);
}
meta->flags = 0;
spin_unlock(&txq->lock);
}
static void fimc_is_irq_handler_general(struct fimc_is_dev *dev)
{
/* Read ISSR10 ~ ISSR15 */
dev->i2h_cmd.cmd = readl(dev->regs + ISSR10);
switch (dev->i2h_cmd.cmd) {
case IHC_GET_SENSOR_NUMBER:
dbg("IHC_GET_SENSOR_NUMBER\n");
fimc_is_hw_get_param(dev, 1);
dbg("ISP - FW version - %d\n", dev->i2h_cmd.arg[0]);
dev->fw.ver = dev->i2h_cmd.arg[0];
fimc_is_hw_wait_intmsr0_intmsd0(dev);
fimc_is_hw_set_sensor_num(dev);
break;
case IHC_SET_SHOT_MARK:
fimc_is_hw_get_param(dev, 3);
break;
case IHC_SET_FACE_MARK:
fimc_is_hw_get_param(dev, 2);
break;
case IHC_FRAME_DONE:
fimc_is_hw_get_param(dev, 2);
break;
case IHC_NOT_READY:
break;
case IHC_AA_DONE:
fimc_is_hw_get_param(dev, 3);
break;
#if CONFIG_MACH_STUTTGART
case IHC_FLASH_READY:
fimc_is_hw_get_param(dev, 2);
break;
case IHC_ISP_ADJUST_DONE:
fimc_is_hw_get_param(dev, 4);
break;
case IHC_ISP_ISO_DONE:
fimc_is_hw_get_param(dev, 4);
break;
#endif
case ISR_DONE:
fimc_is_hw_get_param(dev, 3);
break;
case ISR_NDONE:
fimc_is_hw_get_param(dev, 4);
break;
}
/* Just clear the interrupt pending bits. */
fimc_is_fw_clear_irq1(dev, INTR_GENERAL);
switch (dev->i2h_cmd.cmd) {
case IHC_GET_SENSOR_NUMBER:
fimc_is_hw_set_intgr0_gd0(dev);
set_bit(IS_ST_FW_LOADED, &dev->state);
break;
case IHC_SET_SHOT_MARK:
break;
case IHC_SET_FACE_MARK:
dev->fd_header.count = dev->i2h_cmd.arg[0];
dev->fd_header.index = dev->i2h_cmd.arg[1];
{
if (dev->faceinfo_array->number < MAX_FRAME_COUNT) {
int i = 0;
u32 idx;
dev->faceinfo_array->faceinfo[dev->faceinfo_array->write].count = dev->fd_header.count;
while (i < dev->fd_header.count) {
idx = (dev->fd_header.index + i) % MAX_FACE_COUNT;
dev->faceinfo_array->faceinfo[dev->faceinfo_array->write].face[i] = dev->is_p_region->face[idx];
i++;
}
dev->faceinfo_array->write = (dev->faceinfo_array->write + 1) % MAX_FRAME_COUNT;
dev->faceinfo_array->number++;
} else {
printk ("\n \t\t .... faceinfo lost .... \n");
}
}
break;
case IHC_FRAME_DONE:
break;
case IHC_AA_DONE:
printk("AA_DONE - %d, %d, %d\n", dev->i2h_cmd.arg[0],
dev->i2h_cmd.arg[1], dev->i2h_cmd.arg[2]);
switch (dev->i2h_cmd.arg[0]) {
/* SEARCH: Occurs when search is requested at continuous AF */
case 2:
dev->af.af_lost_state = FIMC_IS_AF_SEARCH;
wake_up(&dev->aflost_queue);
if(dev->af.mode == IS_FOCUS_MODE_TOUCH){
schedule_work(&fimc_is_af_wq);
}
break;
/* INFOCUS: Occurs when focus is found. */
case 3:
if (dev->af.af_state == FIMC_IS_AF_RUNNING)
dev->af.af_state = FIMC_IS_AF_LOCK;
dev->af.af_lock_state = 0x2;
dev->af.af_lost_state = FIMC_IS_AF_INFOCUS;
wake_up(&dev->aflost_queue);
break;
/* OUTOFFOCUS: Occurs when focus is not found. */
case 4:
if (dev->af.af_state == FIMC_IS_AF_RUNNING)
dev->af.af_state = FIMC_IS_AF_LOCK;
dev->af.af_lock_state = 0x1;
dev->af.af_lost_state = FIMC_IS_AF_OUTOFFOCUS;
wake_up(&dev->aflost_queue);
break;
}
break;
#if CONFIG_MACH_STUTTGART
case IHC_FLASH_READY:
set_bit(IS_ST_FLASH_READY, &dev->state);
dev->flash.led_on = dev->i2h_cmd.arg[1];
dbg("IS_ST_FLASH_READY : flash_on : %d", dev->flash.led_on);
break;
case IHC_ISP_ADJUST_DONE:
{
/*
u32 uParam1; <==ISP_AdjustCommandEnum value... Contrast or Saturation or.. etc
u32 uParam2; <== Actually control value (e.g. -4 ~ +4, -128~+128)
u32 uParam3; <==frame counter when a5 received ISP Adjust command.
u32 uParam4; <== frame counter applied Adjust command.
*/
struct is_adjust_info *infor = NULL;
switch (dev->i2h_cmd.arg[0]) {
case ISP_ADJUST_COMMAND_MANUAL_ALL:
case ISP_ADJUST_COMMAND_AUTO:
memset(&dev->adjust, 0, sizeof(struct is_adjust));
break;
case ISP_ADJUST_COMMAND_MANUAL_CONTRAST:
case ISP_ADJUST_COMMAND_MANUAL_SATURATION:
case ISP_ADJUST_COMMAND_MANUAL_SHARPNESS:
break;
case ISP_ADJUST_COMMAND_MANUAL_EXPOSURE:
infor = &dev->adjust.exposure;
break;
case ISP_ADJUST_COMMAND_MANUAL_BRIGHTNESS:
case ISP_ADJUST_COMMAND_MANUAL_HUE:
case ISP_ADJUST_COMMAND_MANUAL_HOTPIXEL:
case ISP_ADJUST_COMMAND_MANUAL_SHADING:
break;
default:
break;
}
if (infor) {
infor->command = dev->i2h_cmd.arg[0];
infor->frame_start = dev->i2h_cmd.arg[2];
infor->frame_end = dev->i2h_cmd.arg[3];
if (infor->frame_end < 5)
infor->old_value = infor->value = 0;
infor->old_value = infor->value;
infor->value = dev->i2h_cmd.arg[1];
}
}
//printk("====>[MMKIM]IHC_ISP_ADJUST_DONE(%d, %d, %d, %d)\n",
// dev->i2h_cmd.arg[0],dev->i2h_cmd.arg[1],dev->i2h_cmd.arg[2],dev->i2h_cmd.arg[3]);
break;
case IHC_ISP_ISO_DONE :
//printk("====>[MMKIM]IHC_ISP_ISO_DONE(%d, %d, %d, %d)\n",
// dev->i2h_cmd.arg[0],dev->i2h_cmd.arg[1],dev->i2h_cmd.arg[2],dev->i2h_cmd.arg[3]);
break;
#endif
case IHC_NOT_READY:
err("Init Sequnce Error- IS will be turned off!!");
break;
case ISR_DONE:
dbg("ISR_DONE - %d\n", dev->i2h_cmd.arg[0]);
switch (dev->i2h_cmd.arg[0]) {
case HIC_PREVIEW_STILL:
case HIC_PREVIEW_VIDEO:
case HIC_CAPTURE_STILL:
case HIC_CAPTURE_VIDEO:
set_bit(IS_ST_CHANGE_MODE, &dev->state);
/* Get CAC margin */
dev->sensor.offset_x = dev->i2h_cmd.arg[1];
dev->sensor.offset_y = dev->i2h_cmd.arg[2];
break;
case HIC_STREAM_ON:
clear_bit(IS_ST_STREAM_OFF, &dev->state);
set_bit(IS_ST_STREAM_ON, &dev->state);
break;
case HIC_STREAM_OFF:
clear_bit(IS_ST_STREAM_ON, &dev->state);
set_bit(IS_ST_STREAM_OFF, &dev->state);
break;
case HIC_SET_PARAMETER:
dev->p_region_index1 = 0;
dev->p_region_index2 = 0;
atomic_set(&dev->p_region_num, 0);
set_bit(IS_ST_BLOCK_CMD_CLEARED, &dev->state);
if (dev->af.af_state == FIMC_IS_AF_SETCONFIG)
dev->af.af_state = FIMC_IS_AF_RUNNING;
else if (dev->af.af_state == FIMC_IS_AF_ABORT)
dev->af.af_state = FIMC_IS_AF_IDLE;
break;
case HIC_GET_PARAMETER:
break;
case HIC_SET_TUNE:
break;
case HIC_GET_STATUS:
break;
case HIC_OPEN_SENSOR:
set_bit(IS_ST_OPEN_SENSOR, &dev->state);
printk(KERN_INFO "FIMC-IS Lane= %d, Settle line= %d\n",
dev->i2h_cmd.arg[2], dev->i2h_cmd.arg[1]);
break;
case HIC_CLOSE_SENSOR:
clear_bit(IS_ST_OPEN_SENSOR, &dev->state);
dev->sensor.id = 0;
break;
case HIC_MSG_TEST:
dbg("Config MSG level was done\n");
break;
case HIC_POWER_DOWN:
set_bit(IS_PWR_SUB_IP_POWER_OFF, &dev->power);
break;
case HIC_GET_SET_FILE_ADDR:
dev->setfile.base = dev->i2h_cmd.arg[1];
set_bit(IS_ST_SETFILE_LOADED, &dev->state);
break;
case HIC_LOAD_SET_FILE:
set_bit(IS_ST_SETFILE_LOADED, &dev->state);
break;
}
break;
case ISR_NDONE:
err("ISR_NDONE - %d: 0x%08x\n", dev->i2h_cmd.arg[0],
dev->i2h_cmd.arg[1]);
fimc_is_print_err_number(dev->i2h_cmd.arg[1]);
switch (dev->i2h_cmd.arg[1]) {
case IS_ERROR_SET_PARAMETER:
fimc_is_mem_cache_inv((void *)dev->is_p_region,
IS_PARAM_SIZE);
fimc_is_param_err_checker(dev);
break;
}
}
}
static int iwl_send_cmd_sync(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int cmd_idx;
int ret;
IWL_DEBUG_INFO(trans, "Attempting to send sync command %s\n",
get_cmd_string(cmd->id));
if (test_bit(STATUS_FW_ERROR, &trans->shrd->status)) {
IWL_ERR(trans, "Command %s failed: FW Error\n",
get_cmd_string(cmd->id));
return -EIO;
}
if (WARN_ON(test_and_set_bit(STATUS_HCMD_ACTIVE,
&trans->shrd->status))) {
IWL_ERR(trans, "Command %s: a command is already active!\n",
get_cmd_string(cmd->id));
return -EIO;
}
IWL_DEBUG_INFO(trans, "Setting HCMD_ACTIVE for command %s\n",
get_cmd_string(cmd->id));
cmd_idx = iwl_enqueue_hcmd(trans, cmd);
if (cmd_idx < 0) {
ret = cmd_idx;
clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status);
IWL_ERR(trans,
"Error sending %s: enqueue_hcmd failed: %d\n",
get_cmd_string(cmd->id), ret);
return ret;
}
ret = wait_event_timeout(trans->wait_command_queue,
!test_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status),
HOST_COMPLETE_TIMEOUT);
if (!ret) {
if (test_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status)) {
struct iwl_tx_queue *txq =
&trans_pcie->txq[trans_pcie->cmd_queue];
struct iwl_queue *q = &txq->q;
IWL_ERR(trans,
"Error sending %s: time out after %dms.\n",
get_cmd_string(cmd->id),
jiffies_to_msecs(HOST_COMPLETE_TIMEOUT));
IWL_ERR(trans,
"Current CMD queue read_ptr %d write_ptr %d\n",
q->read_ptr, q->write_ptr);
clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status);
IWL_DEBUG_INFO(trans, "Clearing HCMD_ACTIVE for command"
"%s\n", get_cmd_string(cmd->id));
ret = -ETIMEDOUT;
goto cancel;
}
}
if ((cmd->flags & CMD_WANT_SKB) && !cmd->resp_pkt) {
IWL_ERR(trans, "Error: Response NULL in '%s'\n",
get_cmd_string(cmd->id));
ret = -EIO;
goto cancel;
}
return 0;
cancel:
if (cmd->flags & CMD_WANT_SKB) {
trans_pcie->txq[trans_pcie->cmd_queue].meta[cmd_idx].flags &=
~CMD_WANT_SKB;
}
if (cmd->resp_pkt) {
iwl_free_resp(cmd);
cmd->resp_pkt = NULL;
}
return ret;
}
static void stm_channel_free(uint32_t ch)
{
struct stm_drvdata *drvdata = stmdrvdata;
clear_bit(ch, drvdata->chs.bitmap);
}
void adc_sleep( void) {
/* Wait for the conversion to complete */
while(test_bit(ADCSRA, ADSC));
/* Turn off the ADC */
clear_bit(ADCSRA, ADEN);
}
/* Mark device node number vdev->num as unused */
static inline void devnode_clear(struct video_device *vdev)
{
clear_bit(vdev->num, devnode_bits(vdev->vfl_type));
}
static long pcwd_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int rv;
int status;
int temperature;
int new_heartbeat;
int __user *argp = (int __user *)arg;
static struct watchdog_info ident = {
.options = WDIOF_OVERHEAT |
WDIOF_CARDRESET |
WDIOF_KEEPALIVEPING |
WDIOF_SETTIMEOUT |
WDIOF_MAGICCLOSE,
.firmware_version = 1,
.identity = "PCWD",
};
switch (cmd) {
case WDIOC_GETSUPPORT:
if (copy_to_user(argp, &ident, sizeof(ident)))
return -EFAULT;
return 0;
case WDIOC_GETSTATUS:
pcwd_get_status(&status);
return put_user(status, argp);
case WDIOC_GETBOOTSTATUS:
return put_user(pcwd_private.boot_status, argp);
case WDIOC_GETTEMP:
if (pcwd_get_temperature(&temperature))
return -EFAULT;
return put_user(temperature, argp);
case WDIOC_SETOPTIONS:
if (pcwd_private.revision == PCWD_REVISION_C) {
if (get_user(rv, argp))
return -EFAULT;
if (rv & WDIOS_DISABLECARD) {
status = pcwd_stop();
if (status < 0)
return status;
}
if (rv & WDIOS_ENABLECARD) {
status = pcwd_start();
if (status < 0)
return status;
}
if (rv & WDIOS_TEMPPANIC)
temp_panic = 1;
}
return -EINVAL;
case WDIOC_KEEPALIVE:
pcwd_keepalive();
return 0;
case WDIOC_SETTIMEOUT:
if (get_user(new_heartbeat, argp))
return -EFAULT;
if (pcwd_set_heartbeat(new_heartbeat))
return -EINVAL;
pcwd_keepalive();
/* Fall */
case WDIOC_GETTIMEOUT:
return put_user(heartbeat, argp);
default:
return -ENOTTY;
}
return 0;
}
static ssize_t pcwd_write(struct file *file, const char __user *buf, size_t len,
loff_t *ppos)
{
if (len) {
if (!nowayout) {
size_t i;
/* In case it was set long ago */
expect_close = 0;
for (i = 0; i != len; i++) {
char c;
if (get_user(c, buf + i))
return -EFAULT;
if (c == 'V')
expect_close = 42;
}
}
pcwd_keepalive();
}
return len;
}
static int pcwd_open(struct inode *inode, struct file *file)
{
if (test_and_set_bit(0, &open_allowed))
return -EBUSY;
if (nowayout)
__module_get(THIS_MODULE);
/* Activate */
pcwd_start();
pcwd_keepalive();
return nonseekable_open(inode, file);
}
static int pcwd_close(struct inode *inode, struct file *file)
{
if (expect_close == 42)
pcwd_stop();
else {
printk(KERN_CRIT PFX
"Unexpected close, not stopping watchdog!\n");
pcwd_keepalive();
}
expect_close = 0;
clear_bit(0, &open_allowed);
return 0;
}
/*
* /dev/temperature handling
*/
static ssize_t pcwd_temp_read(struct file *file, char __user *buf, size_t count,
loff_t *ppos)
{
int temperature;
if (pcwd_get_temperature(&temperature))
return -EFAULT;
if (copy_to_user(buf, &temperature, 1))
return -EFAULT;
return 1;
}
/***
* rt_socket_common_ioctl
*/
int rt_socket_common_ioctl(struct rtdm_dev_context *context,
rtdm_user_info_t *user_info,
int request, void *arg)
{
struct rtsocket *sock = (struct rtsocket *)&context->dev_private;
int ret = 0;
struct rtnet_callback *callback = arg;
unsigned int rtskbs;
unsigned long flags;
switch (request) {
case RTNET_RTIOC_XMITPARAMS:
sock->priority = *(unsigned int *)arg;
break;
case RTNET_RTIOC_TIMEOUT:
sock->timeout = *(nanosecs_t *)arg;
break;
case RTNET_RTIOC_CALLBACK:
if (user_info)
return -EACCES;
rtos_spin_lock_irqsave(&sock->param_lock, flags);
sock->callback_func = callback->func;
sock->callback_arg = callback->arg;
rtos_spin_unlock_irqrestore(&sock->param_lock, flags);
break;
case RTNET_RTIOC_NONBLOCK:
if (*(unsigned int *)arg != 0)
set_bit(RT_SOCK_NONBLOCK, &context->context_flags);
else
clear_bit(RT_SOCK_NONBLOCK, &context->context_flags);
break;
case RTNET_RTIOC_EXTPOOL:
rtskbs = *(unsigned int *)arg;
rtos_spin_lock_irqsave(&sock->param_lock, flags);
if (test_bit(SKB_POOL_CLOSED, &context->context_flags)) {
rtos_spin_unlock_irqrestore(&sock->param_lock, flags);
return -EBADF;
}
atomic_add(rtskbs, &sock->pool_size);
rtos_spin_unlock_irqrestore(&sock->param_lock, flags);
if (test_bit(RTDM_CREATED_IN_NRT, &context->context_flags)) {
if (rtdm_in_rt_context())
return -EACCES;
ret = rtskb_pool_extend(&sock->skb_pool, rtskbs);
} else
ret = rtskb_pool_extend_rt(&sock->skb_pool, rtskbs);
atomic_sub(rtskbs-ret, &sock->pool_size);
break;
case RTNET_RTIOC_SHRPOOL:
rtskbs = *(unsigned int *)arg;
rtos_spin_lock_irqsave(&sock->param_lock, flags);
if (test_bit(SKB_POOL_CLOSED, &context->context_flags)) {
rtos_spin_unlock_irqrestore(&sock->param_lock, flags);
return -EBADF;
}
atomic_sub(rtskbs, &sock->pool_size);
rtos_spin_unlock_irqrestore(&sock->param_lock, flags);
if (test_bit(RTDM_CREATED_IN_NRT, &context->context_flags)) {
if (rtdm_in_rt_context())
return -EACCES;
ret = rtskb_pool_shrink(&sock->skb_pool, *(unsigned int *)arg);
} else
ret = rtskb_pool_shrink_rt(&sock->skb_pool,
*(unsigned int *)arg);
atomic_add(rtskbs-ret, &sock->pool_size);
break;
default:
ret = -EOPNOTSUPP;
break;
}
return ret;
}
/* work that cannot be done in interrupt context uses keventd.
*
* NOTE: with 2.5 we could do more of this using completion callbacks,
* especially now that control transfers can be queued.
*/
static void
kevent (struct work_struct *work)
{
struct usbnet *dev =
container_of(work, struct usbnet, kevent);
int status;
/* usb_clear_halt() needs a thread context */
if (test_bit (EVENT_TX_HALT, &dev->flags)) {
unlink_urbs (dev, &dev->txq);
status = usb_autopm_get_interface(dev->intf);
if (status < 0)
goto fail_pipe;
status = usb_clear_halt (dev->udev, dev->out);
usb_autopm_put_interface(dev->intf);
if (status < 0 &&
status != -EPIPE &&
status != -ESHUTDOWN) {
if (netif_msg_tx_err (dev))
fail_pipe:
netdev_err(dev->net, "can't clear tx halt, status %d\n",
status);
} else {
clear_bit (EVENT_TX_HALT, &dev->flags);
if (status != -ESHUTDOWN)
netif_wake_queue (dev->net);
}
}
if (test_bit (EVENT_RX_HALT, &dev->flags)) {
unlink_urbs (dev, &dev->rxq);
status = usb_autopm_get_interface(dev->intf);
if (status < 0)
goto fail_halt;
status = usb_clear_halt (dev->udev, dev->in);
usb_autopm_put_interface(dev->intf);
if (status < 0 &&
status != -EPIPE &&
status != -ESHUTDOWN) {
if (netif_msg_rx_err (dev))
fail_halt:
netdev_err(dev->net, "can't clear rx halt, status %d\n",
status);
} else {
clear_bit (EVENT_RX_HALT, &dev->flags);
tasklet_schedule (&dev->bh);
}
}
/* tasklet could resubmit itself forever if memory is tight */
if (test_bit (EVENT_RX_MEMORY, &dev->flags)) {
struct urb *urb = NULL;
int resched = 1;
if (netif_running (dev->net))
urb = usb_alloc_urb (0, GFP_KERNEL);
else
clear_bit (EVENT_RX_MEMORY, &dev->flags);
if (urb != NULL) {
clear_bit (EVENT_RX_MEMORY, &dev->flags);
status = usb_autopm_get_interface(dev->intf);
if (status < 0) {
usb_free_urb(urb);
goto fail_lowmem;
}
if (rx_submit (dev, urb, GFP_KERNEL) == -ENOLINK)
resched = 0;
usb_autopm_put_interface(dev->intf);
fail_lowmem:
if (resched)
tasklet_schedule (&dev->bh);
}
}
if (test_bit (EVENT_LINK_RESET, &dev->flags)) {
struct driver_info *info = dev->driver_info;
int retval = 0;
clear_bit (EVENT_LINK_RESET, &dev->flags);
status = usb_autopm_get_interface(dev->intf);
if (status < 0)
goto skip_reset;
if(info->link_reset && (retval = info->link_reset(dev)) < 0) {
usb_autopm_put_interface(dev->intf);
skip_reset:
netdev_info(dev->net, "link reset failed (%d) usbnet usb-%s-%s, %s\n",
retval,
dev->udev->bus->bus_name,
dev->udev->devpath,
info->description);
} else {
usb_autopm_put_interface(dev->intf);
}
}
if (dev->flags)
netdev_dbg(dev->net, "kevent done, flags = 0x%lx\n", dev->flags);
}
/*
* Set attributes, and at the same time refresh them.
*
* Truncation is slightly complicated, because the 'truncate' request
* may fail, in which case we don't want to touch the mapping.
* vmtruncate() doesn't allow for this case, so do the rlimit checking
* and the actual truncation by hand.
*/
static int fuse_do_setattr(struct dentry *entry, struct iattr *attr,
struct file *file)
{
struct inode *inode = entry->d_inode;
struct fuse_conn *fc = get_fuse_conn(inode);
struct fuse_inode *fi = get_fuse_inode(inode);
struct fuse_req *req;
struct fuse_setattr_in inarg;
struct fuse_attr_out outarg;
bool is_truncate = false;
loff_t oldsize;
int err;
if (!fuse_allow_task(fc, current))
return -EACCES;
if (!(fc->flags & FUSE_DEFAULT_PERMISSIONS))
attr->ia_valid |= ATTR_FORCE;
err = inode_change_ok(inode, attr);
if (err)
return err;
if (attr->ia_valid & ATTR_OPEN) {
if (fc->atomic_o_trunc)
return 0;
file = NULL;
}
if (attr->ia_valid & ATTR_SIZE)
is_truncate = true;
req = fuse_get_req(fc);
if (IS_ERR(req))
return PTR_ERR(req);
if (is_truncate) {
fuse_set_nowrite(inode);
set_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);
}
memset(&inarg, 0, sizeof(inarg));
memset(&outarg, 0, sizeof(outarg));
iattr_to_fattr(attr, &inarg);
if (file) {
struct fuse_file *ff = file->private_data;
inarg.valid |= FATTR_FH;
inarg.fh = ff->fh;
}
if (attr->ia_valid & ATTR_SIZE) {
/* For mandatory locking in truncate */
inarg.valid |= FATTR_LOCKOWNER;
inarg.lock_owner = fuse_lock_owner_id(fc, current->files);
}
req->in.h.opcode = FUSE_SETATTR;
req->in.h.nodeid = get_node_id(inode);
req->in.numargs = 1;
req->in.args[0].size = sizeof(inarg);
req->in.args[0].value = &inarg;
req->out.numargs = 1;
if (fc->minor < 9)
req->out.args[0].size = FUSE_COMPAT_ATTR_OUT_SIZE;
else
req->out.args[0].size = sizeof(outarg);
req->out.args[0].value = &outarg;
fuse_request_send(fc, req);
err = req->out.h.error;
fuse_put_request(fc, req);
if (err) {
if (err == -EINTR)
fuse_invalidate_attr(inode);
goto error;
}
if ((inode->i_mode ^ outarg.attr.mode) & S_IFMT) {
make_bad_inode(inode);
err = -EIO;
goto error;
}
spin_lock(&fc->lock);
fuse_change_attributes_common(inode, &outarg.attr,
attr_timeout(&outarg));
oldsize = inode->i_size;
i_size_write(inode, outarg.attr.size);
if (is_truncate) {
/* NOTE: this may release/reacquire fc->lock */
__fuse_release_nowrite(inode);
}
spin_unlock(&fc->lock);
/*
* Only call invalidate_inode_pages2() after removing
* FUSE_NOWRITE, otherwise fuse_launder_page() would deadlock.
*/
if (S_ISREG(inode->i_mode) && oldsize != outarg.attr.size) {
truncate_pagecache(inode, oldsize, outarg.attr.size);
invalidate_inode_pages2(inode->i_mapping);
}
clear_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);
return 0;
error:
if (is_truncate)
fuse_release_nowrite(inode);
clear_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);
return err;
}
static inline void idset_del(struct idset *set, int ssid, int id)
{
clear_bit(ssid * set->num_id + id, set->bitmap);
}
static long asr_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
static const struct watchdog_info ident = {
.options = WDIOF_KEEPALIVEPING |
WDIOF_MAGICCLOSE,
.identity = "IBM ASR",
};
void __user *argp = (void __user *)arg;
int __user *p = argp;
int heartbeat;
switch (cmd) {
case WDIOC_GETSUPPORT:
return copy_to_user(argp, &ident, sizeof(ident)) ? -EFAULT : 0;
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
return put_user(0, p);
case WDIOC_SETOPTIONS:
{
int new_options, retval = -EINVAL;
if (get_user(new_options, p))
return -EFAULT;
if (new_options & WDIOS_DISABLECARD) {
asr_disable();
retval = 0;
}
if (new_options & WDIOS_ENABLECARD) {
asr_enable();
asr_toggle();
retval = 0;
}
return retval;
}
case WDIOC_KEEPALIVE:
asr_toggle();
return 0;
/*
*/
case WDIOC_GETTIMEOUT:
heartbeat = 256;
return put_user(heartbeat, p);
default:
return -ENOTTY;
}
}
static int asr_open(struct inode *inode, struct file *file)
{
if (test_and_set_bit(0, &asr_is_open))
return -EBUSY;
asr_toggle();
asr_enable();
return nonseekable_open(inode, file);
}
static int asr_release(struct inode *inode, struct file *file)
{
if (asr_expect_close == 42)
asr_disable();
else {
pr_crit("unexpected close, not stopping watchdog!\n");
asr_toggle();
}
clear_bit(0, &asr_is_open);
asr_expect_close = 0;
return 0;
}
static const struct file_operations asr_fops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
.write = asr_write,
.unlocked_ioctl = asr_ioctl,
.open = asr_open,
.release = asr_release,
};
static struct miscdevice asr_miscdev = {
.minor = WATCHDOG_MINOR,
.name = "watchdog",
.fops = &asr_fops,
};
struct ibmasr_id {
const char *desc;
int type;
};
static struct ibmasr_id __initdata ibmasr_id_table[] = {
{ "IBM Automatic Server Restart - eserver xSeries 220", ASMTYPE_TOPAZ },
{ "IBM Automatic Server Restart - Machine Type 8673", ASMTYPE_PEARL },
{ "IBM Automatic Server Restart - Machine Type 8480", ASMTYPE_JASPER },
{ "IBM Automatic Server Restart - Machine Type 8482", ASMTYPE_JUNIPER },
{ "IBM Automatic Server Restart - Machine Type 8648", ASMTYPE_SPRUCE },
{ NULL }
};
static int __init ibmasr_init(void)
{
struct ibmasr_id *id;
int rc;
for (id = ibmasr_id_table; id->desc; id++) {
if (dmi_find_device(DMI_DEV_TYPE_OTHER, id->desc, NULL)) {
asr_type = id->type;
break;
}
}
if (!asr_type)
return -ENODEV;
rc = asr_get_base_address();
if (rc)
return rc;
rc = misc_register(&asr_miscdev);
if (rc < 0) {
release_region(asr_base, asr_length);
pr_err("failed to register misc device\n");
return rc;
}
return 0;
}
static void __exit ibmasr_exit(void)
{
if (!nowayout)
asr_disable();
misc_deregister(&asr_miscdev);
release_region(asr_base, asr_length);
}
module_init(ibmasr_init);
module_exit(ibmasr_exit);
module_param(nowayout, bool, 0);
MODULE_PARM_DESC(nowayout,
"Watchdog cannot be stopped once started (default="
__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
MODULE_DESCRIPTION("IBM Automatic Server Restart driver");
MODULE_AUTHOR("Andrey Panin");
MODULE_LICENSE("GPL");
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
void rt2x00lib_dmadone(struct queue_entry *entry)
{
set_bit(ENTRY_DATA_STATUS_PENDING, &entry->flags);
clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags);
rt2x00queue_index_inc(entry, Q_INDEX_DMA_DONE);
}