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/*
* Copyright (C) 2010-2013 ARM Limited. All rights reserved.
*
* This program is free software and is provided to you under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
*
* A copy of the licence is included with the program, and can also be obtained from Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <linux/fs.h> /* file system operations */
#include <linux/slab.h> /* memort allocation functions */
#include <asm/uaccess.h> /* user space access */
#include "mali_ukk.h"
#include "mali_osk.h"
#include "mali_kernel_common.h"
#include "mali_session.h"
#include "mali_ukk_wrappers.h"
#include "mali_sync.h"
int get_api_version_wrapper(struct mali_session_data *session_data, _mali_uk_get_api_version_s __user *uargs)
{
_mali_uk_get_api_version_s kargs;
_mali_osk_errcode_t err;
MALI_CHECK_NON_NULL(uargs, -EINVAL);
if (0 != get_user(kargs.version, &uargs->version)) return -EFAULT;
kargs.ctx = session_data;
err = _mali_ukk_get_api_version(&kargs);
if (_MALI_OSK_ERR_OK != err) return map_errcode(err);
if (0 != put_user(kargs.version, &uargs->version)) return -EFAULT;
if (0 != put_user(kargs.compatible, &uargs->compatible)) return -EFAULT;
return 0;
}
int compositor_priority_wrapper(struct mali_session_data *session_data)
{
#ifndef CONFIG_SYNC
/* Compositor super priority is currently only needed and supported in
* systems without linux fences */
_mali_ukk_compositor_priority(session_data);
#else
MALI_DEBUG_PRINT(2, ("Compositor Pid: %d - Using native fence\n", _mali_osk_get_pid() ));
#endif
return 0;
}
int wait_for_notification_wrapper(struct mali_session_data *session_data, _mali_uk_wait_for_notification_s __user *uargs)
{
_mali_uk_wait_for_notification_s kargs;
_mali_osk_errcode_t err;
MALI_CHECK_NON_NULL(uargs, -EINVAL);
kargs.ctx = session_data;
err = _mali_ukk_wait_for_notification(&kargs);
if (_MALI_OSK_ERR_OK != err) return map_errcode(err);
if(_MALI_NOTIFICATION_CORE_SHUTDOWN_IN_PROGRESS != kargs.type)
{
kargs.ctx = NULL; /* prevent kernel address to be returned to user space */
if (0 != copy_to_user(uargs, &kargs, sizeof(_mali_uk_wait_for_notification_s))) return -EFAULT;
}
else
{
if (0 != put_user(kargs.type, &uargs->type)) return -EFAULT;
}
return 0;
}
int post_notification_wrapper(struct mali_session_data *session_data, _mali_uk_post_notification_s __user *uargs)
{
_mali_uk_post_notification_s kargs;
_mali_osk_errcode_t err;
MALI_CHECK_NON_NULL(uargs, -EINVAL);
kargs.ctx = session_data;
if (0 != get_user(kargs.type, &uargs->type))
{
return -EFAULT;
}
err = _mali_ukk_post_notification(&kargs);
if (_MALI_OSK_ERR_OK != err)
{
return map_errcode(err);
}
return 0;
}
int get_user_settings_wrapper(struct mali_session_data *session_data, _mali_uk_get_user_settings_s __user *uargs)
{
_mali_uk_get_user_settings_s kargs;
_mali_osk_errcode_t err;
MALI_CHECK_NON_NULL(uargs, -EINVAL);
kargs.ctx = session_data;
err = _mali_ukk_get_user_settings(&kargs);
if (_MALI_OSK_ERR_OK != err)
{
return map_errcode(err);
}
kargs.ctx = NULL; /* prevent kernel address to be returned to user space */
if (0 != copy_to_user(uargs, &kargs, sizeof(_mali_uk_get_user_settings_s))) return -EFAULT;
return 0;
}
#ifdef CONFIG_SYNC
int stream_create_wrapper(struct mali_session_data *session_data, _mali_uk_stream_create_s __user *uargs)
{
_mali_uk_stream_create_s kargs;
_mali_osk_errcode_t err;
char name[32];
MALI_CHECK_NON_NULL(uargs, -EINVAL);
snprintf(name, 32, "mali-%u", _mali_osk_get_pid());
kargs.ctx = session_data;
err = mali_stream_create(name, &kargs.fd);
if (_MALI_OSK_ERR_OK != err)
{
return map_errcode(err);
}
kargs.ctx = NULL; /* prevent kernel address to be returned to user space */
if (0 != copy_to_user(uargs, &kargs, sizeof(_mali_uk_stream_create_s))) return -EFAULT;
return 0;
}
int sync_fence_create_empty_wrapper(struct mali_session_data *session_data, _mali_uk_fence_create_empty_s __user *uargs)
{
_mali_uk_fence_create_empty_s kargs;
MALI_CHECK_NON_NULL(uargs, -EINVAL);
if (0 != get_user(kargs.stream, &uargs->stream)) return -EFAULT;
kargs.fence = mali_stream_create_empty_fence(kargs.stream);
if (0 > kargs.fence)
{
return kargs.fence;
}
kargs.ctx = NULL; /* prevent kernel address to be returned to user space */
if (0 != copy_to_user(uargs, &kargs, sizeof(_mali_uk_fence_create_empty_s))) return -EFAULT;
return 0;
}
int sync_fence_validate_wrapper(struct mali_session_data *session, _mali_uk_fence_validate_s __user *uargs)
{
int fd;
_mali_osk_errcode_t err;
if (0 != get_user(fd, &uargs->fd))
{
return -EFAULT;
}
err = mali_fence_validate(fd);
if (_MALI_OSK_ERR_OK == err)
{
return 0;
}
return -EINVAL;
}
#endif