static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
				struct ieee80211_mgmt *mgmt,
				struct ieee80211_rann_ie *rann)
{
	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
	struct mesh_path *mpath;
	u8 ttl, flags, hopcount;
	u8 *orig_addr;
	u32 orig_sn, metric;
	u32 interval = ifmsh->mshcfg.dot11MeshHWMPRannInterval;
	bool root_is_gate;

	ttl = rann->rann_ttl;
	if (ttl <= 1) {
		ifmsh->mshstats.dropped_frames_ttl++;
		return;
	}
	ttl--;
	flags = rann->rann_flags;
	root_is_gate = !!(flags & RANN_FLAG_IS_GATE);
	orig_addr = rann->rann_addr;
	orig_sn = rann->rann_seq;
	hopcount = rann->rann_hopcount;
	hopcount++;
	metric = rann->rann_metric;

	/*  Ignore our own RANNs */
	if (memcmp(orig_addr, sdata->vif.addr, ETH_ALEN) == 0)
		return;

	mhwmp_dbg("received RANN from %pM (is_gate=%d)", orig_addr,
			root_is_gate);

	rcu_read_lock();
	mpath = mesh_path_lookup(orig_addr, sdata);
	if (!mpath) {
		mesh_path_add(orig_addr, sdata);
		mpath = mesh_path_lookup(orig_addr, sdata);
		if (!mpath) {
			rcu_read_unlock();
			sdata->u.mesh.mshstats.dropped_frames_no_route++;
			return;
		}
	}

	if ((!(mpath->flags & (MESH_PATH_ACTIVE | MESH_PATH_RESOLVING)) ||
	     time_after(jiffies, mpath->exp_time - 1*HZ)) &&
	     !(mpath->flags & MESH_PATH_FIXED)) {
		mhwmp_dbg("%s time to refresh root mpath %pM", sdata->name,
							       orig_addr);
		mesh_queue_preq(mpath, PREQ_Q_F_START | PREQ_Q_F_REFRESH);
	}

	if (mpath->sn < orig_sn) {
		mesh_path_sel_frame_tx(MPATH_RANN, flags, orig_addr,
				       cpu_to_le32(orig_sn),
				       0, NULL, 0, broadcast_addr,
				       hopcount, ttl, cpu_to_le32(interval),
				       cpu_to_le32(metric + mpath->metric),
				       0, sdata);
		mpath->sn = orig_sn;
	}
	if (root_is_gate)
		mesh_path_add_gate(mpath);

	rcu_read_unlock();
}

void ocfs2_populate_inode(struct inode *inode, struct ocfs2_dinode *fe,
			  int create_ino)
{
	struct super_block *sb;
	struct ocfs2_super *osb;
	int use_plocks = 1;

	sb = inode->i_sb;
	osb = OCFS2_SB(sb);

	if ((osb->s_mount_opt & OCFS2_MOUNT_LOCALFLOCKS) ||
	    ocfs2_mount_local(osb) || !ocfs2_stack_supports_plocks())
		use_plocks = 0;

	/*
	 * These have all been checked by ocfs2_read_inode_block() or set
	 * by ocfs2_mknod_locked(), so a failure is a code bug.
	 */
	BUG_ON(!OCFS2_IS_VALID_DINODE(fe));  /* This means that read_inode
						cannot create a superblock
						inode today.  change if
						that is needed. */
	BUG_ON(!(fe->i_flags & cpu_to_le32(OCFS2_VALID_FL)));
	BUG_ON(le32_to_cpu(fe->i_fs_generation) != osb->fs_generation);


	OCFS2_I(inode)->ip_clusters = le32_to_cpu(fe->i_clusters);
	OCFS2_I(inode)->ip_attr = le32_to_cpu(fe->i_attr);
	OCFS2_I(inode)->ip_dyn_features = le16_to_cpu(fe->i_dyn_features);

	inode->i_version = 1;
	inode->i_generation = le32_to_cpu(fe->i_generation);
	inode->i_rdev = huge_decode_dev(le64_to_cpu(fe->id1.dev1.i_rdev));
	inode->i_mode = le16_to_cpu(fe->i_mode);
	i_uid_write(inode, le32_to_cpu(fe->i_uid));
	i_gid_write(inode, le32_to_cpu(fe->i_gid));

	/* Fast symlinks will have i_size but no allocated clusters. */
	if (S_ISLNK(inode->i_mode) && !fe->i_clusters) {
		inode->i_blocks = 0;
		inode->i_mapping->a_ops = &ocfs2_fast_symlink_aops;
	} else {
		inode->i_blocks = ocfs2_inode_sector_count(inode);
		inode->i_mapping->a_ops = &ocfs2_aops;
	}
	inode->i_atime.tv_sec = le64_to_cpu(fe->i_atime);
	inode->i_atime.tv_nsec = le32_to_cpu(fe->i_atime_nsec);
	inode->i_mtime.tv_sec = le64_to_cpu(fe->i_mtime);
	inode->i_mtime.tv_nsec = le32_to_cpu(fe->i_mtime_nsec);
	inode->i_ctime.tv_sec = le64_to_cpu(fe->i_ctime);
	inode->i_ctime.tv_nsec = le32_to_cpu(fe->i_ctime_nsec);

	if (OCFS2_I(inode)->ip_blkno != le64_to_cpu(fe->i_blkno))
		mlog(ML_ERROR,
		     "ip_blkno %llu != i_blkno %llu!\n",
		     (unsigned long long)OCFS2_I(inode)->ip_blkno,
		     (unsigned long long)le64_to_cpu(fe->i_blkno));

	set_nlink(inode, ocfs2_read_links_count(fe));

	trace_ocfs2_populate_inode(OCFS2_I(inode)->ip_blkno,
				   le32_to_cpu(fe->i_flags));
	if (fe->i_flags & cpu_to_le32(OCFS2_SYSTEM_FL)) {
		OCFS2_I(inode)->ip_flags |= OCFS2_INODE_SYSTEM_FILE;
		inode->i_flags |= S_NOQUOTA;
	}
  
	if (fe->i_flags & cpu_to_le32(OCFS2_LOCAL_ALLOC_FL)) {
		OCFS2_I(inode)->ip_flags |= OCFS2_INODE_BITMAP;
	} else if (fe->i_flags & cpu_to_le32(OCFS2_BITMAP_FL)) {
		OCFS2_I(inode)->ip_flags |= OCFS2_INODE_BITMAP;
	} else if (fe->i_flags & cpu_to_le32(OCFS2_QUOTA_FL)) {
		inode->i_flags |= S_NOQUOTA;
	} else if (fe->i_flags & cpu_to_le32(OCFS2_SUPER_BLOCK_FL)) {
		/* we can't actually hit this as read_inode can't
		 * handle superblocks today ;-) */
		BUG();
	}

	switch (inode->i_mode & S_IFMT) {
	    case S_IFREG:
		    if (use_plocks)
			    inode->i_fop = &ocfs2_fops;
		    else
			    inode->i_fop = &ocfs2_fops_no_plocks;
		    inode->i_op = &ocfs2_file_iops;
		    i_size_write(inode, le64_to_cpu(fe->i_size));
		    break;
	    case S_IFDIR:
		    inode->i_op = &ocfs2_dir_iops;
		    if (use_plocks)
			    inode->i_fop = &ocfs2_dops;
		    else
			    inode->i_fop = &ocfs2_dops_no_plocks;
		    i_size_write(inode, le64_to_cpu(fe->i_size));
		    OCFS2_I(inode)->ip_dir_lock_gen = 1;
		    break;
	    case S_IFLNK:
		    inode->i_op = &ocfs2_symlink_inode_operations;
		    i_size_write(inode, le64_to_cpu(fe->i_size));
//.........这里部分代码省略.........

static int ocfs2_remove_inode(struct inode *inode,
			      struct buffer_head *di_bh,
			      struct inode *orphan_dir_inode,
			      struct buffer_head *orphan_dir_bh)
{
	int status;
	struct inode *inode_alloc_inode = NULL;
	struct buffer_head *inode_alloc_bh = NULL;
	handle_t *handle;
	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
	struct ocfs2_dinode *di = (struct ocfs2_dinode *) di_bh->b_data;

	inode_alloc_inode =
		ocfs2_get_system_file_inode(osb, INODE_ALLOC_SYSTEM_INODE,
					    le16_to_cpu(di->i_suballoc_slot));
	if (!inode_alloc_inode) {
		status = -EEXIST;
		mlog_errno(status);
		goto bail;
	}

	mutex_lock(&inode_alloc_inode->i_mutex);
	status = ocfs2_inode_lock(inode_alloc_inode, &inode_alloc_bh, 1);
	if (status < 0) {
		mutex_unlock(&inode_alloc_inode->i_mutex);

		mlog_errno(status);
		goto bail;
	}

	handle = ocfs2_start_trans(osb, OCFS2_DELETE_INODE_CREDITS +
				   ocfs2_quota_trans_credits(inode->i_sb));
	if (IS_ERR(handle)) {
		status = PTR_ERR(handle);
		mlog_errno(status);
		goto bail_unlock;
	}

	if (!(OCFS2_I(inode)->ip_flags & OCFS2_INODE_SKIP_ORPHAN_DIR)) {
		status = ocfs2_orphan_del(osb, handle, orphan_dir_inode, inode,
					  orphan_dir_bh, false);
		if (status < 0) {
			mlog_errno(status);
			goto bail_commit;
		}
	}

	/* set the inodes dtime */
	status = ocfs2_journal_access_di(handle, INODE_CACHE(inode), di_bh,
					 OCFS2_JOURNAL_ACCESS_WRITE);
	if (status < 0) {
		mlog_errno(status);
		goto bail_commit;
	}

	di->i_dtime = cpu_to_le64(CURRENT_TIME.tv_sec);
	di->i_flags &= cpu_to_le32(~(OCFS2_VALID_FL | OCFS2_ORPHANED_FL));
	ocfs2_journal_dirty(handle, di_bh);

	ocfs2_remove_from_cache(INODE_CACHE(inode), di_bh);
	dquot_free_inode(inode);

	status = ocfs2_free_dinode(handle, inode_alloc_inode,
				   inode_alloc_bh, di);
	if (status < 0)
		mlog_errno(status);

bail_commit:
	ocfs2_commit_trans(osb, handle);
bail_unlock:
	ocfs2_inode_unlock(inode_alloc_inode, 1);
	mutex_unlock(&inode_alloc_inode->i_mutex);
	brelse(inode_alloc_bh);
bail:
	iput(inode_alloc_inode);

	return status;
}

/**
 *  i40e_alloc_arq_bufs - Allocate pre-posted buffers for the receive queue
 *  @hw: pointer to the hardware structure
 **/
static i40e_status i40e_alloc_arq_bufs(struct i40e_hw *hw)
{
	i40e_status ret_code;
	struct i40e_aq_desc *desc;
	struct i40e_dma_mem *bi;
	int i;

	/* We'll be allocating the buffer info memory first, then we can
	 * allocate the mapped buffers for the event processing
	 */

	/* buffer_info structures do not need alignment */
	ret_code = i40e_allocate_virt_mem(hw, &hw->aq.arq.dma_head,
		(hw->aq.num_arq_entries * sizeof(struct i40e_dma_mem)));
	if (ret_code)
		goto alloc_arq_bufs;
	hw->aq.arq.r.arq_bi = (struct i40e_dma_mem *)hw->aq.arq.dma_head.va;

	/* allocate the mapped buffers */
	for (i = 0; i < hw->aq.num_arq_entries; i++) {
		bi = &hw->aq.arq.r.arq_bi[i];
		ret_code = i40e_allocate_dma_mem(hw, bi,
						 i40e_mem_arq_buf,
						 hw->aq.arq_buf_size,
						 I40E_ADMINQ_DESC_ALIGNMENT);
		if (ret_code)
			goto unwind_alloc_arq_bufs;

		/* now configure the descriptors for use */
		desc = I40E_ADMINQ_DESC(hw->aq.arq, i);

		desc->flags = cpu_to_le16(I40E_AQ_FLAG_BUF);
		if (hw->aq.arq_buf_size > I40E_AQ_LARGE_BUF)
			desc->flags |= cpu_to_le16(I40E_AQ_FLAG_LB);
		desc->opcode = 0;
		/* This is in accordance with Admin queue design, there is no
		 * register for buffer size configuration
		 */
		desc->datalen = cpu_to_le16((u16)bi->size);
		desc->retval = 0;
		desc->cookie_high = 0;
		desc->cookie_low = 0;
		desc->params.external.addr_high =
			cpu_to_le32(upper_32_bits(bi->pa));
		desc->params.external.addr_low =
			cpu_to_le32(lower_32_bits(bi->pa));
		desc->params.external.param0 = 0;
		desc->params.external.param1 = 0;
	}

alloc_arq_bufs:
	return ret_code;

unwind_alloc_arq_bufs:
	/* don't try to free the one that failed... */
	i--;
	for (; i >= 0; i--)
		i40e_free_dma_mem(hw, &hw->aq.arq.r.arq_bi[i]);
	i40e_free_virt_mem(hw, &hw->aq.arq.dma_head);

	return ret_code;
}

/**
 *  i40e_clean_arq_element
 *  @hw: pointer to the hw struct
 *  @e: event info from the receive descriptor, includes any buffers
 *  @pending: number of events that could be left to process
 *
 *  This function cleans one Admin Receive Queue element and returns
 *  the contents through e.  It can also return how many events are
 *  left to process through 'pending'
 **/
i40e_status i40e_clean_arq_element(struct i40e_hw *hw,
					     struct i40e_arq_event_info *e,
					     u16 *pending)
{
	i40e_status ret_code = 0;
	u16 ntc = hw->aq.arq.next_to_clean;
	struct i40e_aq_desc *desc;
	struct i40e_dma_mem *bi;
	u16 desc_idx;
	u16 datalen;
	u16 flags;
	u16 ntu;

	/* pre-clean the event info */
	memset(&e->desc, 0, sizeof(e->desc));

	/* take the lock before we start messing with the ring */
	mutex_lock(&hw->aq.arq_mutex);

	if (hw->aq.arq.count == 0) {
		i40e_debug(hw, I40E_DEBUG_AQ_MESSAGE,
			   "AQRX: Admin queue not initialized.\n");
		ret_code = I40E_ERR_QUEUE_EMPTY;
		goto clean_arq_element_err;
	}

	/* set next_to_use to head */
	ntu = rd32(hw, hw->aq.arq.head) & I40E_PF_ARQH_ARQH_MASK;
	if (ntu == ntc) {
		/* nothing to do - shouldn't need to update ring's values */
		ret_code = I40E_ERR_ADMIN_QUEUE_NO_WORK;
		goto clean_arq_element_out;
	}

	/* now clean the next descriptor */
	desc = I40E_ADMINQ_DESC(hw->aq.arq, ntc);
	desc_idx = ntc;

	hw->aq.arq_last_status =
		(enum i40e_admin_queue_err)le16_to_cpu(desc->retval);
	flags = le16_to_cpu(desc->flags);
	if (flags & I40E_AQ_FLAG_ERR) {
		ret_code = I40E_ERR_ADMIN_QUEUE_ERROR;
		i40e_debug(hw,
			   I40E_DEBUG_AQ_MESSAGE,
			   "AQRX: Event received with error 0x%X.\n",
			   hw->aq.arq_last_status);
	}

	e->desc = *desc;
	datalen = le16_to_cpu(desc->datalen);
	e->msg_len = min(datalen, e->buf_len);
	if (e->msg_buf != NULL && (e->msg_len != 0))
		memcpy(e->msg_buf, hw->aq.arq.r.arq_bi[desc_idx].va,
		       e->msg_len);

	i40e_debug(hw, I40E_DEBUG_AQ_MESSAGE, "AQRX: desc and buffer:\n");
	i40e_debug_aq(hw, I40E_DEBUG_AQ_COMMAND, (void *)desc, e->msg_buf,
		      hw->aq.arq_buf_size);

	/* Restore the original datalen and buffer address in the desc,
	 * FW updates datalen to indicate the event message
	 * size
	 */
	bi = &hw->aq.arq.r.arq_bi[ntc];
	memset((void *)desc, 0, sizeof(struct i40e_aq_desc));

	desc->flags = cpu_to_le16(I40E_AQ_FLAG_BUF);
	if (hw->aq.arq_buf_size > I40E_AQ_LARGE_BUF)
		desc->flags |= cpu_to_le16(I40E_AQ_FLAG_LB);
	desc->datalen = cpu_to_le16((u16)bi->size);
	desc->params.external.addr_high = cpu_to_le32(upper_32_bits(bi->pa));
	desc->params.external.addr_low = cpu_to_le32(lower_32_bits(bi->pa));

	/* set tail = the last cleaned desc index. */
	wr32(hw, hw->aq.arq.tail, ntc);
	/* ntc is updated to tail + 1 */
	ntc++;
	if (ntc == hw->aq.num_arq_entries)
		ntc = 0;
	hw->aq.arq.next_to_clean = ntc;
	hw->aq.arq.next_to_use = ntu;

	i40e_nvmupd_check_wait_event(hw, le16_to_cpu(e->desc.opcode), &e->desc);
clean_arq_element_out:
	/* Set pending if needed, unlock and return */
	if (pending)
		*pending = (ntc > ntu ? hw->aq.arq.count : 0) + (ntu - ntc);
clean_arq_element_err:
	mutex_unlock(&hw->aq.arq_mutex);
//.........这里部分代码省略.........

 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <linux/etherdevice.h>
#include "rsi_mgmt.h"
#include "rsi_common.h"

static struct bootup_params boot_params_20 = {
	.magic_number = cpu_to_le16(0x5aa5),
	.crystal_good_time = 0x0,
	.valid = cpu_to_le32(VALID_20),
	.reserved_for_valids = 0x0,
	.bootup_mode_info = 0x0,
	.digital_loop_back_params = 0x0,
	.rtls_timestamp_en = 0x0,
	.host_spi_intr_cfg = 0x0,
	.device_clk_info = {{
		.pll_config_g = {
			.tapll_info_g = {
				.pll_reg_1 = cpu_to_le16((TA_PLL_N_VAL_20 << 8)|
					      (TA_PLL_M_VAL_20)),
				.pll_reg_2 = cpu_to_le16(TA_PLL_P_VAL_20),
			},
			.pll960_info_g = {
				.pll_reg_1 = cpu_to_le16((PLL960_P_VAL_20 << 8)|
							 (PLL960_N_VAL_20)),

void _rt2880_drvMutexLock()
{
    *(volatile u32 *)(RT2880_REG_INTDIS) = cpu_to_le32(0x8);
    return;
};

/**
 * gserial_setup - initialize TTY driver for one or more ports
 * @g: gadget to associate with these ports
 * @count: how many ports to support
 * Context: may sleep
 *
 * The TTY stack needs to know in advance how many devices it should
 * plan to manage.  Use this call to set up the ports you will be
 * exporting through USB.  Later, connect them to functions based
 * on what configuration is activated by the USB host; and disconnect
 * them as appropriate.
 *
 * An example would be a two-configuration device in which both
 * configurations expose port 0, but through different functions.
 * One configuration could even expose port 1 while the other
 * one doesn't.
 *
 * Returns negative errno or zero.
 */
int gserial_setup(struct usb_gadget *g, unsigned count)
{
	unsigned			i;
	struct usb_cdc_line_coding	coding;
	int				status;

	if (count == 0 || count > N_PORTS)
		return -EINVAL;

	gs_tty_driver = alloc_tty_driver(count);
	if (!gs_tty_driver)
		return -ENOMEM;

	gs_tty_driver->owner = THIS_MODULE;
	gs_tty_driver->driver_name = "g_serial";
	gs_tty_driver->name = PREFIX;
	/* uses dynamically assigned dev_t values */

	gs_tty_driver->type = TTY_DRIVER_TYPE_SERIAL;
	gs_tty_driver->subtype = SERIAL_TYPE_NORMAL;
	gs_tty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV
				| TTY_DRIVER_RESET_TERMIOS;
	gs_tty_driver->init_termios = tty_std_termios;

	/* 9600-8-N-1 ... matches defaults expected by "usbser.sys" on
	 * MS-Windows.  Otherwise, most of these flags shouldn't affect
	 * anything unless we were to actually hook up to a serial line.
	 */
	gs_tty_driver->init_termios.c_cflag =
			B9600 | CS8 | CREAD | HUPCL | CLOCAL;
	gs_tty_driver->init_termios.c_ispeed = 9600;
	gs_tty_driver->init_termios.c_ospeed = 9600;

	coding.dwDTERate = cpu_to_le32(9600);
	coding.bCharFormat = 8;
	coding.bParityType = USB_CDC_NO_PARITY;
	coding.bDataBits = USB_CDC_1_STOP_BITS;

	tty_set_operations(gs_tty_driver, &gs_tty_ops);

	gserial_wq = create_singlethread_workqueue("k_gserial");
	if (!gserial_wq) {
		status = -ENOMEM;
		goto fail;
	}

	/* make devices be openable */
	for (i = 0; i < count; i++) {
		mutex_init(&ports[i].lock);
		status = gs_port_alloc(i, &coding);
		if (status) {
			count = i;
			goto fail;
		}
	}
	n_ports = count;

	/* export the driver ... */
	status = tty_register_driver(gs_tty_driver);
	if (status) {
		put_tty_driver(gs_tty_driver);
		pr_err("%s: cannot register, err %d\n",
				__func__, status);
		goto fail;
	}

	/* ... and sysfs class devices, so mdev/udev make /dev/ttyGS* */
	for (i = 0; i < count; i++) {
		struct device	*tty_dev;

		tty_dev = tty_register_device(gs_tty_driver, i, &g->dev);
		if (IS_ERR(tty_dev))
			pr_warning("%s: no classdev for port %d, err %ld\n",
				__func__, i, PTR_ERR(tty_dev));
	}

	for (i = 0; i < count; i++)
		usb_debugfs_init(ports[i].port, i);

	pr_debug("%s: registered %d ttyGS* device%s\n", __func__,
			count, (count == 1) ? "" : "s");
//.........这里部分代码省略.........

static int lab4fs_fill_super(struct super_block * sb, void * data, int silent)
{
    struct buffer_head * bh;
    int blocksize = BLOCK_SIZE;
    unsigned long logic_sb_block;
    unsigned offset = 0;
    unsigned long sb_block = 1;
    struct lab4fs_super_block *es;
    struct lab4fs_sb_info *sbi;
    struct inode *root;
    int hblock;
    int err = 0;

    sbi = kmalloc(sizeof(*sbi), GFP_KERNEL);
    if (!sbi)
        return -ENOMEM;

    sb->s_fs_info = sbi;
    memset(sbi, 0, sizeof(*sbi));
    blocksize = sb_min_blocksize(sb, BLOCK_SIZE);
    if (!blocksize) {
        LAB4ERROR("unable to set blocksize\n");
        err = -EIO;
        goto out_fail;
    }

    /*
     * If the superblock doesn't start on a hardware sector boundary,
     * calculate the offset.  
     */
    if (blocksize != BLOCK_SIZE) {
        logic_sb_block = (sb_block * BLOCK_SIZE) / blocksize;
        offset = (sb_block * BLOCK_SIZE) % blocksize;
    } else {
        logic_sb_block = sb_block;
    }

    if (!(bh = sb_bread(sb, logic_sb_block))) {
        LAB4ERROR("unable to read super block\n");
        goto out_fail;
    }

    es = (struct lab4fs_super_block *) (((char *)bh->b_data) + offset);
    sb->s_magic = le32_to_cpu(es->s_magic);
    if (sb->s_magic != LAB4FS_SUPER_MAGIC) {
        if (!silent)
            LAB4ERROR("VFS: Can't find lab4fs filesystem on dev %s.\n",
                    sb->s_id);
        goto failed_mount;
    }

    sbi->s_sb = es;
    blocksize = le32_to_cpu(es->s_block_size);
    hblock = bdev_hardsect_size(sb->s_bdev);
    if (sb->s_blocksize != blocksize) {
        /*
         * Make sure the blocksize for the filesystem is larger
         * than the hardware sectorsize for the machine.
         */
        if (blocksize < hblock) {
            LAB4ERROR("blocksize %d too small for "
                    "device blocksize %d.\n", blocksize, hblock);
            goto failed_mount;
        }

        brelse (bh);
        sb_set_blocksize(sb, blocksize);
        logic_sb_block = (sb_block * BLOCK_SIZE) / blocksize;
        offset = (sb_block * BLOCK_SIZE) % blocksize;
        bh = sb_bread(sb, logic_sb_block);
        if (!bh) {
            LAB4ERROR("Can't read superblock on 2nd try.\n");
            goto failed_mount;
        }
        es = (struct lab4fs_super_block *)(((char *)bh->b_data) + offset);
        sbi->s_sb = es;
        if (es->s_magic != cpu_to_le32(LAB4FS_SUPER_MAGIC)) {
            LAB4ERROR("Magic mismatch, very weird !\n");
            goto failed_mount;
        }
    }
    sb->s_maxbytes = lab4fs_max_size(es);
    sbi->s_sbh = bh;
    sbi->s_log_block_size = log2(sb->s_blocksize);
    sbi->s_first_ino = le32_to_cpu(es->s_first_inode);
    sbi->s_inode_size = le32_to_cpu(es->s_inode_size);
    sbi->s_log_inode_size = log2(sbi->s_inode_size);
    sbi->s_inode_table = le32_to_cpu(es->s_inode_table);
    sbi->s_data_blocks = le32_to_cpu(es->s_data_blocks);
    sbi->s_next_generation = 0;
    sbi->s_free_inodes_count = le32_to_cpu(es->s_free_inodes_count);
    sbi->s_free_data_blocks_count = le32_to_cpu(es->s_free_data_blocks_count);
    sbi->s_inodes_count = le32_to_cpu(es->s_inodes_count);
    sbi->s_blocks_count = le32_to_cpu(es->s_blocks_count);

    sbi->s_inode_bitmap.nr_valid_bits = le32_to_cpu(es->s_inodes_count);
    sbi->s_data_bitmap.nr_valid_bits = le32_to_cpu(es->s_blocks_count) 
        - le32_to_cpu(es->s_data_blocks);

    rwlock_init(&sbi->rwlock);
//.........这里部分代码省略.........

static void make_config(struct dlm_ls *ls, struct rcom_config *rf)
{
	rf->rf_lvblen = cpu_to_le32(ls->ls_lvblen);
	rf->rf_lsflags = cpu_to_le32(ls->ls_exflags);
}

static int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)
{
	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
	PSTxDesc head_td;
	u32 dma_idx;
	unsigned long flags;

	spin_lock_irqsave(&priv->lock, flags);

	if (ieee80211_is_data(hdr->frame_control))
		dma_idx = TYPE_AC0DMA;
	else
		dma_idx = TYPE_TXDMA0;

	if (AVAIL_TD(priv, dma_idx) < 1) {
		spin_unlock_irqrestore(&priv->lock, flags);
		return -ENOMEM;
	}

	head_td = priv->apCurrTD[dma_idx];

	head_td->m_td1TD1.byTCR = 0;

	head_td->pTDInfo->skb = skb;

	if (dma_idx == TYPE_AC0DMA)
		head_td->pTDInfo->byFlags = TD_FLAGS_NETIF_SKB;

	priv->apCurrTD[dma_idx] = head_td->next;

	spin_unlock_irqrestore(&priv->lock, flags);

	vnt_generate_fifo_header(priv, dma_idx, head_td, skb);

	if (MACbIsRegBitsOn(priv->PortOffset, MAC_REG_PSCTL, PSCTL_PS))
		MACbPSWakeup(priv->PortOffset);

	spin_lock_irqsave(&priv->lock, flags);

	priv->bPWBitOn = false;

	/* Set TSR1 & ReqCount in TxDescHead */
	head_td->m_td1TD1.byTCR |= (TCR_STP | TCR_EDP | EDMSDU);
	head_td->m_td1TD1.wReqCount =
			cpu_to_le16((u16)head_td->pTDInfo->dwReqCount);

	head_td->buff_addr = cpu_to_le32(head_td->pTDInfo->skb_dma);

	/* Poll Transmit the adapter */
	wmb();
	head_td->m_td0TD0.f1Owner = OWNED_BY_NIC;
	wmb(); /* second memory barrier */

	if (head_td->pTDInfo->byFlags & TD_FLAGS_NETIF_SKB)
		MACvTransmitAC0(priv->PortOffset);
	else
		MACvTransmit0(priv->PortOffset);

	priv->iTDUsed[dma_idx]++;

	spin_unlock_irqrestore(&priv->lock, flags);

	return 0;
}

int init_initiator_midpath_unsolicited_fcoe_task(
	struct fcoe_task_params *task_params,
	struct fcoe_tx_mid_path_params *mid_path_fc_header,
	struct scsi_sgl_task_params *tx_sgl_task_params,
	struct scsi_sgl_task_params *rx_sgl_task_params,
	u8 fw_to_place_fc_header)
{
	struct e4_fcoe_task_context *ctx = task_params->context;
	const u8 val_byte = ctx->ystorm_ag_context.byte0;
	struct e4_ustorm_fcoe_task_ag_ctx *u_ag_ctx;
	struct ystorm_fcoe_task_st_ctx *y_st_ctx;
	struct tstorm_fcoe_task_st_ctx *t_st_ctx;
	struct mstorm_fcoe_task_st_ctx *m_st_ctx;
	u32 val;

	memset(ctx, 0, sizeof(*(ctx)));
	ctx->ystorm_ag_context.byte0 = val_byte;

	/* Init Ystorm */
	y_st_ctx = &ctx->ystorm_st_context;
	init_scsi_sgl_context(&y_st_ctx->sgl_params,
			      &y_st_ctx->data_desc,
			      tx_sgl_task_params);
	SET_FIELD(y_st_ctx->sgl_mode,
		  YSTORM_FCOE_TASK_ST_CTX_TX_SGL_MODE, SCSI_FAST_SGL);
	y_st_ctx->data_2_trns_rem = cpu_to_le32(task_params->tx_io_size);
	y_st_ctx->task_type = (u8)task_params->task_type;
	memcpy(&y_st_ctx->tx_info_union.tx_params.mid_path,
	       mid_path_fc_header, sizeof(struct fcoe_tx_mid_path_params));

	/* Init Mstorm */
	m_st_ctx = &ctx->mstorm_st_context;
	init_scsi_sgl_context(&m_st_ctx->sgl_params,
			      &m_st_ctx->data_desc,
			      rx_sgl_task_params);
	SET_FIELD(m_st_ctx->flags,
		  MSTORM_FCOE_TASK_ST_CTX_MP_INCLUDE_FC_HEADER,
		  fw_to_place_fc_header);
	m_st_ctx->data_2_trns_rem = cpu_to_le32(task_params->rx_io_size);

	/* Init Tstorm */
	t_st_ctx = &ctx->tstorm_st_context;
	t_st_ctx->read_only.cid = cpu_to_le32(task_params->conn_cid);
	val = cpu_to_le32(task_params->cq_rss_number);
	t_st_ctx->read_only.glbl_q_num = val;
	t_st_ctx->read_only.task_type = (u8)task_params->task_type;
	SET_FIELD(t_st_ctx->read_write.flags,
		  FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_EXP_FIRST_FRAME, 1);
	t_st_ctx->read_write.rx_id = cpu_to_le16(FCOE_RX_ID);

	/* Init Ustorm */
	u_ag_ctx = &ctx->ustorm_ag_context;
	u_ag_ctx->global_cq_num = cpu_to_le32(task_params->cq_rss_number);

	/* Init SQE */
	init_common_sqe(task_params, SEND_FCOE_MIDPATH);
	task_params->sqe->additional_info_union.burst_length =
				    tx_sgl_task_params->total_buffer_size;
	SET_FIELD(task_params->sqe->flags,
		  FCOE_WQE_NUM_SGES, tx_sgl_task_params->num_sges);
	SET_FIELD(task_params->sqe->flags, FCOE_WQE_SGL_MODE,
		  SCSI_FAST_SGL);

	return 0;
}

static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm)
{
	struct iwl_bt_iterator_data data = {
		.mvm = mvm,
		.notif = &mvm->last_bt_notif,
	};
	struct iwl_bt_coex_ci_cmd cmd = {};
	u8 ci_bw_idx;

	/* Ignore updates if we are in force mode */
	if (unlikely(mvm->bt_force_ant_mode != BT_FORCE_ANT_DIS))
		return;

	rcu_read_lock();
	ieee80211_iterate_active_interfaces_atomic(
					mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
					iwl_mvm_bt_notif_iterator, &data);

	iwl_mvm_bt_coex_tcm_based_ci(mvm, &data);

	if (data.primary) {
		struct ieee80211_chanctx_conf *chan = data.primary;
		if (WARN_ON(!chan->def.chan)) {
			rcu_read_unlock();
			return;
		}

		if (chan->def.width < NL80211_CHAN_WIDTH_40) {
			ci_bw_idx = 0;
		} else {
			if (chan->def.center_freq1 >
			    chan->def.chan->center_freq)
				ci_bw_idx = 2;
			else
				ci_bw_idx = 1;
		}

		cmd.bt_primary_ci =
			iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
		cmd.primary_ch_phy_id =
			cpu_to_le32(*((u16 *)data.primary->drv_priv));
	}

	if (data.secondary) {
		struct ieee80211_chanctx_conf *chan = data.secondary;
		if (WARN_ON(!data.secondary->def.chan)) {
			rcu_read_unlock();
			return;
		}

		if (chan->def.width < NL80211_CHAN_WIDTH_40) {
			ci_bw_idx = 0;
		} else {
			if (chan->def.center_freq1 >
			    chan->def.chan->center_freq)
				ci_bw_idx = 2;
			else
				ci_bw_idx = 1;
		}

		cmd.bt_secondary_ci =
			iwl_ci_mask[chan->def.chan->hw_value][ci_bw_idx];
		cmd.secondary_ch_phy_id =
			cpu_to_le32(*((u16 *)data.secondary->drv_priv));
	}

	rcu_read_unlock();

	/* Don't spam the fw with the same command over and over */
	if (memcmp(&cmd, &mvm->last_bt_ci_cmd, sizeof(cmd))) {
		if (iwl_mvm_send_cmd_pdu(mvm, BT_COEX_CI, 0,
					 sizeof(cmd), &cmd))
			IWL_ERR(mvm, "Failed to send BT_CI cmd\n");
		memcpy(&mvm->last_bt_ci_cmd, &cmd, sizeof(cmd));
	}
}

void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
			      struct iwl_rx_cmd_buffer *rxb)
{
	struct iwl_rx_packet *pkt = rxb_addr(rxb);
	struct iwl_bt_coex_profile_notif *notif = (void *)pkt->data;

	IWL_DEBUG_COEX(mvm, "BT Coex Notification received\n");
	IWL_DEBUG_COEX(mvm, "\tBT ci compliance %d\n", notif->bt_ci_compliance);
	IWL_DEBUG_COEX(mvm, "\tBT primary_ch_lut %d\n",
		       le32_to_cpu(notif->primary_ch_lut));
	IWL_DEBUG_COEX(mvm, "\tBT secondary_ch_lut %d\n",
		       le32_to_cpu(notif->secondary_ch_lut));
	IWL_DEBUG_COEX(mvm, "\tBT activity grading %d\n",
		       le32_to_cpu(notif->bt_activity_grading));

	/* remember this notification for future use: rssi fluctuations */
	memcpy(&mvm->last_bt_notif, notif, sizeof(mvm->last_bt_notif));

	iwl_mvm_bt_coex_notif_handle(mvm);
}

void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
			   enum ieee80211_rssi_event_data rssi_event)
//.........这里部分代码省略.........

int init_initiator_rw_fcoe_task(struct fcoe_task_params *task_params,
				struct scsi_sgl_task_params *sgl_task_params,
				struct regpair sense_data_buffer_phys_addr,
				u32 task_retry_id,
				u8 fcp_cmd_payload[32])
{
	struct e4_fcoe_task_context *ctx = task_params->context;
	const u8 val_byte = ctx->ystorm_ag_context.byte0;
	struct e4_ustorm_fcoe_task_ag_ctx *u_ag_ctx;
	struct ystorm_fcoe_task_st_ctx *y_st_ctx;
	struct tstorm_fcoe_task_st_ctx *t_st_ctx;
	struct mstorm_fcoe_task_st_ctx *m_st_ctx;
	u32 io_size, val;
	bool slow_sgl;

	memset(ctx, 0, sizeof(*(ctx)));
	ctx->ystorm_ag_context.byte0 = val_byte;
	slow_sgl = scsi_is_slow_sgl(sgl_task_params->num_sges,
				    sgl_task_params->small_mid_sge);
	io_size = (task_params->task_type == FCOE_TASK_TYPE_WRITE_INITIATOR ?
		   task_params->tx_io_size : task_params->rx_io_size);

	/* Ystorm ctx */
	y_st_ctx = &ctx->ystorm_st_context;
	y_st_ctx->data_2_trns_rem = cpu_to_le32(io_size);
	y_st_ctx->task_rety_identifier = cpu_to_le32(task_retry_id);
	y_st_ctx->task_type = (u8)task_params->task_type;
	memcpy(&y_st_ctx->tx_info_union.fcp_cmd_payload,
	       fcp_cmd_payload, sizeof(struct fcoe_fcp_cmd_payload));

	/* Tstorm ctx */
	t_st_ctx = &ctx->tstorm_st_context;
	t_st_ctx->read_only.dev_type = (u8)(task_params->is_tape_device == 1 ?
					    FCOE_TASK_DEV_TYPE_TAPE :
					    FCOE_TASK_DEV_TYPE_DISK);
	t_st_ctx->read_only.cid = cpu_to_le32(task_params->conn_cid);
	val = cpu_to_le32(task_params->cq_rss_number);
	t_st_ctx->read_only.glbl_q_num = val;
	t_st_ctx->read_only.fcp_cmd_trns_size = cpu_to_le32(io_size);
	t_st_ctx->read_only.task_type = (u8)task_params->task_type;
	SET_FIELD(t_st_ctx->read_write.flags,
		  FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_EXP_FIRST_FRAME, 1);
	t_st_ctx->read_write.rx_id = cpu_to_le16(FCOE_RX_ID);

	/* Ustorm ctx */
	u_ag_ctx = &ctx->ustorm_ag_context;
	u_ag_ctx->global_cq_num = cpu_to_le32(task_params->cq_rss_number);

	/* Mstorm buffer for sense/rsp data placement */
	m_st_ctx = &ctx->mstorm_st_context;
	val = cpu_to_le32(sense_data_buffer_phys_addr.hi);
	m_st_ctx->rsp_buf_addr.hi = val;
	val = cpu_to_le32(sense_data_buffer_phys_addr.lo);
	m_st_ctx->rsp_buf_addr.lo = val;

	if (task_params->task_type == FCOE_TASK_TYPE_WRITE_INITIATOR) {
		/* Ystorm ctx */
		y_st_ctx->expect_first_xfer = 1;

		/* Set the amount of super SGEs. Can be up to 4. */
		SET_FIELD(y_st_ctx->sgl_mode,
			  YSTORM_FCOE_TASK_ST_CTX_TX_SGL_MODE,
			  (slow_sgl ? SCSI_TX_SLOW_SGL : SCSI_FAST_SGL));
		init_scsi_sgl_context(&y_st_ctx->sgl_params,
				      &y_st_ctx->data_desc,
				      sgl_task_params);

		/* Mstorm ctx */
		SET_FIELD(m_st_ctx->flags,
			  MSTORM_FCOE_TASK_ST_CTX_TX_SGL_MODE,
			  (slow_sgl ? SCSI_TX_SLOW_SGL : SCSI_FAST_SGL));
		m_st_ctx->sgl_params.sgl_num_sges =
			cpu_to_le16(sgl_task_params->num_sges);
	} else {
		/* Tstorm ctx */
		SET_FIELD(t_st_ctx->read_write.flags,
			  FCOE_TSTORM_FCOE_TASK_ST_CTX_READ_WRITE_RX_SGL_MODE,
			  (slow_sgl ? SCSI_TX_SLOW_SGL : SCSI_FAST_SGL));

		/* Mstorm ctx */
		m_st_ctx->data_2_trns_rem = cpu_to_le32(io_size);
		init_scsi_sgl_context(&m_st_ctx->sgl_params,
				      &m_st_ctx->data_desc,
				      sgl_task_params);
	}

	/* Init Sqe */
	init_common_sqe(task_params, SEND_FCOE_CMD);

	return 0;
}

//.........这里部分代码省略.........
		if (wIndex != 1)
			goto error;

		/* finish RESET signaling? */
		if ((musb->port1_status & USB_PORT_STAT_RESET)
				&& time_after_eq(jiffies, musb->rh_timer))
			musb_port_reset(musb, false);

		/* finish RESUME signaling? */
		if ((musb->port1_status & MUSB_PORT_STAT_RESUME)
				&& time_after_eq(jiffies, musb->rh_timer)) {
			u8		power;

			power = musb_readb(musb->mregs, MUSB_POWER);
			power &= ~MUSB_POWER_RESUME;
			dev_dbg(musb->controller, "root port resume stopped, power %02x\n",
					power);
			musb_writeb(musb->mregs, MUSB_POWER, power);

			/* ISSUE:  DaVinci (RTL 1.300) disconnects after
			 * resume of high speed peripherals (but not full
			 * speed ones).
			 */

			musb->is_active = 1;
			musb->port1_status &= ~(USB_PORT_STAT_SUSPEND
					| MUSB_PORT_STAT_RESUME);
			musb->port1_status |= USB_PORT_STAT_C_SUSPEND << 16;
			usb_hcd_poll_rh_status(musb_to_hcd(musb));
			/* NOTE: it might really be A_WAIT_BCON ... */
			musb->xceiv->state = OTG_STATE_A_HOST;
		}

		put_unaligned(cpu_to_le32(musb->port1_status
					& ~MUSB_PORT_STAT_RESUME),
				(__le32 *) buf);

		/* port change status is more interesting */
		dev_dbg(musb->controller, "port status %08x\n",
				musb->port1_status);
		break;
	case SetPortFeature:
		if ((wIndex & 0xff) != 1)
			goto error;

		switch (wValue) {
		case USB_PORT_FEAT_POWER:
			/* NOTE: this controller has a strange state machine
			 * that involves "requesting sessions" according to
			 * magic side effects from incompletely-described
			 * rules about startup...
			 *
			 * This call is what really starts the host mode; be
			 * very careful about side effects if you reorder any
			 * initialization logic, e.g. for OTG, or change any
			 * logic relating to VBUS power-up.
			 */
			if (!hcd->self.is_b_host)
				musb_start(musb);
			break;
		case USB_PORT_FEAT_RESET:
			musb_port_reset(musb, true);
			break;
		case USB_PORT_FEAT_SUSPEND:
			musb_port_suspend(musb, true);
			break;

s32 sdio_write32(struct intf_hdl *pintfhdl, u32 addr, u32 val)
{
	PADAPTER padapter;
	struct dvobj_priv *psdiodev;
	PSDIO_DATA psdio;
	u8 bMacPwrCtrlOn;
	u8 deviceId;
	u16 offset;
	u32 ftaddr;
	u8 shift;
	s32 err;

_func_enter_;

	padapter = pintfhdl->padapter;
	psdiodev = pintfhdl->pintf_dev;
	psdio = &psdiodev->intf_data;
	err = 0;

	ftaddr = _cvrt2ftaddr(addr, &deviceId, &offset);

	rtw_hal_get_hwreg(padapter, HW_VAR_APFM_ON_MAC, &bMacPwrCtrlOn);
	if (((deviceId == WLAN_IOREG_DEVICE_ID) && (offset < 0x100))
		|| (_FALSE == bMacPwrCtrlOn)
#ifdef CONFIG_LPS_LCLK
		|| (_TRUE == padapter->pwrctrlpriv.bFwCurrentInPSMode)
#endif
		)
	{
		val = cpu_to_le32(val);
		err = sd_cmd52_write(psdio, ftaddr, 4, (u8*)&val);
		return err;
	}

	// 4 bytes alignment
	shift = ftaddr & 0x3;
#if 1
	if (shift == 0)
	{
		sd_write32(psdio, ftaddr, val, &err);
	}
	else
	{
		val = cpu_to_le32(val);
		err = sd_cmd52_write(psdio, ftaddr, 4, (u8*)&val);
	}
#else
	if (shift == 0) {
		sd_write32(psdio, ftaddr, val, &err);
	} else {
		u8 *ptmpbuf;

		ptmpbuf = (u8*)rtw_malloc(8);
		if (NULL == ptmpbuf) return (-1);

		ftaddr &= ~(u16)0x3;
		err = sd_read(psdio, ftaddr, 8, ptmpbuf);
		if (err) {
			_rtw_mfree(ptmpbuf, 8);
			return err;
		}
		val = cpu_to_le32(val);
		_rtw_memcpy(ptmpbuf+shift, &val, 4);
		err = sd_write(psdio, ftaddr, 8, ptmpbuf);

		rtw_mfree(ptmpbuf, 8);
	}
#endif

_func_exit_;

	return err;
}

void _rt2880_drvMutexUnlock()
{
    *(volatile u32 *)(RT2880_REG_INTENA) = cpu_to_le32(0x8);
    return;
}

//.........这里部分代码省略.........
	prog_name = strrchr(argv[0], '/');
	if (prog_name)
		prog_name++;
	else
		prog_name = argv[0];

	if ((argc < 3) ||
	    (argc > 4) ||
	    ((argc == 4) && strcmp(argv[1], "--vs"))) {
		fprintf(stderr, "Usage: %s [--vs] <infile> <outfile>\n",
			prog_name);
		exit(EXIT_FAILURE);
	}

	/* four args mean variable size SPL wrapper is required */
	var_size_flag = (argc == 4);

	ifd = open(argv[if_index], O_RDONLY);
	if (ifd < 0) {
		fprintf(stderr, "%s: Can't open %s: %s\n",
			prog_name, argv[if_index], strerror(errno));
		exit(EXIT_FAILURE);
	}

	ofd = open(argv[of_index], O_WRONLY | O_CREAT | O_TRUNC, FILE_PERM);
	if (ofd < 0) {
		fprintf(stderr, "%s: Can't open %s: %s\n",
			prog_name, argv[of_index], strerror(errno));
		exit(EXIT_FAILURE);
	}

	if (fstat(ifd, &stat)) {
		fprintf(stderr, "%s: Unable to get size of %s: %s\n",
			prog_name, argv[if_index], strerror(errno));
		exit(EXIT_FAILURE);
	}

	len = stat.st_size;

	if (var_size_flag) {
		read_size = len;
		count = len;
	} else {
		if (len > CHECKSUM_OFFSET) {
			fprintf(stderr,
				"%s: %s is too big (exceeds %d bytes)\n",
				prog_name, argv[if_index], CHECKSUM_OFFSET);
			exit(EXIT_FAILURE);
		}
		count = CHECKSUM_OFFSET;
		read_size = len;
	}

	buffer = malloc(count);
	if (!buffer) {
		fprintf(stderr,
			"%s: Failed to allocate %d bytes to store %s\n",
			prog_name, count, argv[if_index]);
		exit(EXIT_FAILURE);
	}

	if (read(ifd, buffer, read_size) != read_size) {
		fprintf(stderr, "%s: Can't read %s: %s\n",
			prog_name, argv[if_index], strerror(errno));
		exit(EXIT_FAILURE);
	}

	/* Pad if needed with 0xff to make flashing faster. */
	if (read_size < count)
		memset((char *)buffer + read_size, 0xff, count - read_size);

	for (i = 0, checksum = 0; i < count; i++)
		checksum += buffer[i];
	checksum = cpu_to_le32(checksum);

	if (var_size_flag) {
		/* Prepare and write out the variable size SPL header. */
		struct var_size_header vsh;
		uint32_t spl_size;

		memset(&vsh, 0, sizeof(vsh));
		memcpy(&vsh.spl_checksum, &checksum, sizeof(checksum));

		spl_size = cpu_to_le32(count + sizeof(struct var_size_header));
		memcpy(&vsh.spl_size, &spl_size, sizeof(spl_size));
		write_to_file(ofd, &vsh, sizeof(vsh));
	}

	write_to_file(ofd, buffer, count);

	/* For fixed size SPL checksum is appended in the end. */
	if (!var_size_flag)
		write_to_file(ofd, &checksum, sizeof(checksum));

	close(ifd);
	close(ofd);
	free(buffer);

	return EXIT_SUCCESS;
}