static void set_debug_level()
{
switch(kernel_sec_get_debug_level_from_param())
{
case KERNEL_SEC_DEBUG_LEVEL_LOW:
kernel_sec_set_debug_level(KERNEL_SEC_DEBUG_LEVEL_MID);
break;
case KERNEL_SEC_DEBUG_LEVEL_MID:
kernel_sec_set_debug_level(KERNEL_SEC_DEBUG_LEVEL_HIGH);
break;
case KERNEL_SEC_DEBUG_LEVEL_HIGH:
kernel_sec_set_debug_level(KERNEL_SEC_DEBUG_LEVEL_LOW);
break;
default:
break;
}
}
static ssize_t store_control(struct device *d,
struct device_attribute *attr, const char *buf, size_t count)
{
int sec_debug_level = convert_debug_level_str(buf);
if (sec_debug_level == 0)
return -EINVAL;
kernel_sec_set_debug_level(sec_debug_level);
return count;
}
static ssize_t debug_level_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
int sec_debug_level = convert_debug_level_str(buf);
if (sec_debug_level == 0)
return -EINVAL;
kernel_sec_set_debug_level(sec_debug_level);
return size;
}
static ssize_t debug_level_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
int sec_debug_level = convert_debug_level_str(buf);
if (sec_debug_level == 0)
return -EINVAL;
#if defined(CONFIG_SEC_DEBUG)
kernel_sec_set_debug_level(sec_debug_level);
#endif
return size;
}
static int write_bootloader_message(char *cmd, int mode)
{
struct file *filp;
mm_segment_t oldfs;
int ret = 0;
loff_t pos = 2048L; /* bootloader message offset in MISC.*/
#ifdef CONFIG_KERNEL_DEBUG_SEC
int state;
#endif
struct bootloader_message bootmsg;
memset(&bootmsg, 0, sizeof(struct bootloader_message));
if (mode == REBOOT_MODE_RECOVERY) {
strcpy(bootmsg.command, "boot-recovery");
#ifdef CONFIG_KERNEL_DEBUG_SEC
reboot_mode = REBOOT_MODE_RECOVERY;
kernel_sec_set_debug_level(KERNEL_SEC_DEBUG_LEVEL_LOW);
state = 1; /* Set USB path to AP */
sec_set_param(param_index_usbsel, &state);
#endif
} else if (mode == REBOOT_MODE_FASTBOOT)
strcpy(bootmsg.command, "boot-fastboot");
else if (mode == REBOOT_MODE_NORMAL)
strcpy(bootmsg.command, "boot-reboot");
else if (mode == REBOOT_MODE_FOTA)
strcpy(bootmsg.command, "boot-fota");
else if (mode == REBOOT_MODE_NONE)
strcpy(bootmsg.command, "boot-normal");
else
strcpy(bootmsg.command, cmd);
bootmsg.status[0] = (char) mode;
filp = filp_open(MISC_DEVICE, O_WRONLY, 0);
if (IS_ERR(filp)) {
pr_info("failed to open MISC : '%s'.\n", MISC_DEVICE);
return 0;
}
oldfs = get_fs();
set_fs(KERNEL_DS);
ret = vfs_write(filp, (const char *)&bootmsg,
sizeof(struct bootloader_message), &pos);
set_fs(oldfs);
if (ret < 0)
pr_info("failed to write on MISC\n");
else
pr_info("command : %s written on MISC\n", bootmsg.command);
fput(filp);
filp_close(filp, NULL);
return ret;
}