//======================================================================
// update partition table
//======================================================================
void handle_update (void)
{
DM_ERRCODE_PACKET errp = { DM_ERROR_PKT_PATN, 0 };
//==================================================
// check if specified partitions can be updated
//==================================================
#if CFG_PMT_SUPPORT
errp.err_code = update_part_tab ();
#else
print("%s : PMT is not supported\n", MOD);
errp.err_code = DM_ERR_OK;
#endif
mt_usbtty_putcn (DM_SZ_ERR_CODE_PKT, (u8 *) & errp, TRUE);
dm_ctx.dm_status = DM_STATUS_SECT_WAIT_NXT;
}
static long pmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
long ret = 0; /* , i=0; */
ulong version = PT_SIG;
void __user *uarg = (void __user *)arg;
pr_debug("PMT IOCTL: Enter\n");
if (false == g_bInitDone) {
pr_debug("ERROR: NAND Flash Not initialized !!\n");
ret = -EFAULT;
goto exit;
}
switch (cmd) {
case PMT_READ:
pr_debug("PMT IOCTL: PMT_READ\n");
ret = read_pmt(uarg);
break;
case PMT_WRITE:
pr_debug("PMT IOCTL: PMT_WRITE\n");
if (copy_from_user(&pmtctl, uarg, sizeof(DM_PARTITION_INFO_PACKET))) {
ret = -EFAULT;
goto exit;
}
new_part_tab((u8 *) &pmtctl, (struct mtd_info *)&host->mtd);
update_part_tab((struct mtd_info *)&host->mtd);
break;
case PMT_VERSION:
if (copy_to_user((void __user *)arg, &version, PT_SIG_SIZE))
ret = -EFAULT;
else
ret = 0;
break;
default:
ret = -EINVAL;
}
exit:
return ret;
}
static long pmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
long ret = 0; // , i=0;
void __user *uarg = (void __user *)arg;
printk(KERN_INFO "PMT IOCTL: Enter\n");
if (copy_from_user(&pmtctl, uarg, sizeof(DM_PARTITION_INFO_PACKET)))
{
ret = -EFAULT;
goto exit;
}
if (false == g_bInitDone)
{
printk(KERN_INFO "ERROR: NAND Flash Not initialized !!\n");
ret = -EFAULT;
goto exit;
}
switch (cmd)
{
case PMT_READ:
printk(KERN_INFO "PMT IOCTL: PMT_READ\n");
break;
case PMT_WRITE:
printk(KERN_INFO "PMT IOCTL: PMT_WRITE\n");
new_part_tab((u8 *) & pmtctl, (struct mtd_info *)&host->mtd);
update_part_tab((struct mtd_info *)&host->mtd);
break;
default:
ret = -EINVAL;
}
exit:
return ret;
}