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;
            }
        }
    }

//.........这里部分代码省略.........

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);
//.........这里部分代码省略.........

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, &param);

	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
//.........这里部分代码省略.........

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
//.........这里部分代码省略.........

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();
	}
//.........这里部分代码省略.........

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);
}

//.........这里部分代码省略.........
					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)