C++ (Cpp) compat_get_ion_handle_data Exemples

Exemple #1

Fichier : compat_ion.c Projet : P-D-A/android_kernel_lge_mt6753

long compat_ion_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
	long ret;

	if (!filp->f_op || !filp->f_op->unlocked_ioctl) {
		IONMSG("compat_ion_ioctl file has no f_op or no f_op->unlocked_ioctl.\n");
		return -ENOTTY;
	}

	switch (cmd) {
	case COMPAT_ION_IOC_ALLOC:
	{
		struct compat_ion_allocation_data __user *data32;
		struct ion_allocation_data __user *data;
		int err;

		data32 = compat_ptr(arg);
		data = compat_alloc_user_space(sizeof(*data));
		if (data == NULL) {
			IONMSG("COMPAT_ION_IOC_ALLOC alloc user space fail!.\n");
			return -EFAULT;
		}

		err = compat_get_ion_allocation_data(data32, data);
		if (err) {
			IONMSG("COMPAT_ION_IOC_ALLOC get ion allocation data fail!. err = %d.\n", err);
			return err;
		}
		ret = filp->f_op->unlocked_ioctl(filp, ION_IOC_ALLOC,
							(unsigned long)data);
		if (ret)
			IONMSG("COMPAT_ION_IOC_ALLOC unlocked_ioctl fail! ret = %ld.\n", ret);

		err = compat_put_ion_allocation_data(data32, data);
		if (err)
			IONMSG("COMPAT_ION_IOC_ALLOC put ion allocation data fail! err = %d.\n", err);

		return ret ? ret : err;
	}
	case COMPAT_ION_IOC_FREE:
	{
		struct compat_ion_handle_data __user *data32;
		struct ion_handle_data __user *data;
		int err;

		data32 = compat_ptr(arg);
		data = compat_alloc_user_space(sizeof(*data));
		if (data == NULL) {
			IONMSG("COMPAT_ION_IOC_FREE alloc user space fail!.\n");
			return -EFAULT;
		}

		err = compat_get_ion_handle_data(data32, data);
		if (err) {
			IONMSG("COMPAT_ION_IOC_FREE get ion handle data fail!. err = %d.\n", err);
			return err;
		}

		ret =  filp->f_op->unlocked_ioctl(filp, ION_IOC_FREE,
							(unsigned long)data);
		if (ret)
			IONMSG("COMPAT_ION_IOC_FREE unlocked_ioctl fail! ret = %ld.\n", ret);

		return ret;
	}
	case COMPAT_ION_IOC_CUSTOM: {
		struct compat_ion_custom_data __user *data32;
		struct ion_custom_data __user *data;
		int err;

		data32 = compat_ptr(arg);
		data = compat_alloc_user_space(sizeof(*data));
		if (data == NULL) {
			IONMSG("COMPAT_ION_IOC_CUSTOM alloc user space fail!.\n");
			return -EFAULT;
		}

		err = compat_get_ion_custom_data(data32, data);
		if (err) {
			IONMSG("COMPAT_ION_IOC_CUSTOM get ion custom data fail!. err = %d.\n", err);
			return err;
		}

		ret = filp->f_op->unlocked_ioctl(filp, ION_IOC_CUSTOM,
							(unsigned long)data);
		if (ret)
			IONMSG("COMPAT_ION_IOC_CUSTOM unlocked_ioctl fail! ret = %ld.\n", ret);

		err = compat_put_ion_custom_data(data32, data);
		if (err)
			IONMSG("COMPAT_ION_IOC_CUSTOM put ion custom data fail! err = %d.\n", err);
		return ret ? ret : err;
	}
	case ION_IOC_SHARE:
	case ION_IOC_MAP:
	case ION_IOC_IMPORT:
	case ION_IOC_SYNC:
		return filp->f_op->unlocked_ioctl(filp, cmd,
						(unsigned long)compat_ptr(arg));
	default: {
		IONMSG("compat_ion_ioctl : No such command!! 0x%x\n", cmd);
		return -ENOIOCTLCMD;
	}
	}
}

Exemple #2

Fichier : compat_ion.c Projet : AD5GB/kernel_n5_3.10-experimental

long compat_ion_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
	long ret;

	if (!filp->f_op || !filp->f_op->unlocked_ioctl)
		return -ENOTTY;

	switch (cmd) {
	case COMPAT_ION_IOC_ALLOC:
	{
		struct compat_ion_allocation_data __user *data32;
		struct ion_allocation_data __user *data;
		int err;

		data32 = compat_ptr(arg);
		data = compat_alloc_user_space(sizeof(*data));
		if (data == NULL)
			return -EFAULT;

		err = compat_get_ion_allocation_data(data32, data);
		if (err)
			return err;
		ret = filp->f_op->unlocked_ioctl(filp, ION_IOC_ALLOC,
							(unsigned long)data);
		err = compat_put_ion_allocation_data(data32, data);
		return ret ? ret : err;
	}
	case COMPAT_ION_IOC_FREE:
	{
		struct compat_ion_handle_data __user *data32;
		struct ion_handle_data __user *data;
		int err;

		data32 = compat_ptr(arg);
		data = compat_alloc_user_space(sizeof(*data));
		if (data == NULL)
			return -EFAULT;

		err = compat_get_ion_handle_data(data32, data);
		if (err)
			return err;

		return filp->f_op->unlocked_ioctl(filp, ION_IOC_FREE,
							(unsigned long)data);
	}
	case COMPAT_ION_IOC_CUSTOM: {
		struct compat_ion_custom_data __user *data32;
		struct ion_custom_data __user *data;
		int err;

		data32 = compat_ptr(arg);
		data = compat_alloc_user_space(sizeof(*data));
		if (data == NULL)
			return -EFAULT;

		err = compat_get_ion_custom_data(data32, data);
		if (err)
			return err;

		return filp->f_op->unlocked_ioctl(filp, ION_IOC_CUSTOM,
							(unsigned long)data);
	}
	case ION_IOC_SHARE:
	case ION_IOC_MAP:
	case ION_IOC_IMPORT:
	case ION_IOC_SYNC:
		return filp->f_op->unlocked_ioctl(filp, cmd,
						(unsigned long)compat_ptr(arg));
	default:
		return -ENOIOCTLCMD;
	}
}