Ejemplos de read_pmt en C++ (Cpp)

Ejemplo n.º 1

Archivo: pmt.c Proyecto: JustAndroids/ZTEBladeL2

static long pmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
    long err;
    void __user *argp = (void __user *)arg;

    switch (cmd)
    {
        case PMT_READ:
            err = read_pmt(argp);
            break;
        case PMT_WRITE:
            err = write_pmt(argp);
            break;
        default:
            err = -EINVAL;
    }
    return err;
}

Ejemplo n.º 2

Archivo: partition_mt.c Proyecto: P-D-A/android_kernel_lge_mt6753

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;
}