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/*
* Copyright (C) 2010, 2012-2015 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 <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"
int pp_start_job_wrapper(struct mali_session_data *session_data, _mali_uk_pp_start_job_s __user *uargs)
{
_mali_osk_errcode_t err;
/* If the job was started successfully, 0 is returned. If there was an error, but the job
* was started, we return -ENOENT. For anything else returned, the job was not started. */
MALI_CHECK_NON_NULL(uargs, -EINVAL);
MALI_CHECK_NON_NULL(session_data, -EINVAL);
err = _mali_ukk_pp_start_job(session_data, uargs);
if (_MALI_OSK_ERR_OK != err) return map_errcode(err);
return 0;
}
int pp_and_gp_start_job_wrapper(struct mali_session_data *session_data, _mali_uk_pp_and_gp_start_job_s __user *uargs)
{
_mali_osk_errcode_t err;
/* If the jobs were started successfully, 0 is returned. If there was an error, but the
* jobs were started, we return -ENOENT. For anything else returned, the jobs were not
* started. */
MALI_CHECK_NON_NULL(uargs, -EINVAL);
MALI_CHECK_NON_NULL(session_data, -EINVAL);
err = _mali_ukk_pp_and_gp_start_job(session_data, uargs);
if (_MALI_OSK_ERR_OK != err) return map_errcode(err);
return 0;
}
int pp_get_number_of_cores_wrapper(struct mali_session_data *session_data, _mali_uk_get_pp_number_of_cores_s __user *uargs)
{
_mali_uk_get_pp_number_of_cores_s kargs;
_mali_osk_errcode_t err;
MALI_CHECK_NON_NULL(uargs, -EINVAL);
MALI_CHECK_NON_NULL(session_data, -EINVAL);
kargs.ctx = (uintptr_t)session_data;
err = _mali_ukk_get_pp_number_of_cores(&kargs);
if (_MALI_OSK_ERR_OK != err) {
return map_errcode(err);
}
kargs.ctx = (uintptr_t)NULL; /* prevent kernel address to be returned to user space */
if (0 != copy_to_user(uargs, &kargs, sizeof(_mali_uk_get_pp_number_of_cores_s))) {
return -EFAULT;
}
return 0;
}
int pp_get_core_version_wrapper(struct mali_session_data *session_data, _mali_uk_get_pp_core_version_s __user *uargs)
{
_mali_uk_get_pp_core_version_s kargs;
_mali_osk_errcode_t err;
MALI_CHECK_NON_NULL(uargs, -EINVAL);
MALI_CHECK_NON_NULL(session_data, -EINVAL);
kargs.ctx = (uintptr_t)session_data;
err = _mali_ukk_get_pp_core_version(&kargs);
if (_MALI_OSK_ERR_OK != err) return map_errcode(err);
if (0 != put_user(kargs.version, &uargs->version)) return -EFAULT;
return 0;
}
int pp_disable_wb_wrapper(struct mali_session_data *session_data, _mali_uk_pp_disable_wb_s __user *uargs)
{
_mali_uk_pp_disable_wb_s kargs;
MALI_CHECK_NON_NULL(uargs, -EINVAL);
MALI_CHECK_NON_NULL(session_data, -EINVAL);
if (0 != copy_from_user(&kargs, uargs, sizeof(_mali_uk_pp_disable_wb_s))) return -EFAULT;
kargs.ctx = (uintptr_t)session_data;
_mali_ukk_pp_job_disable_wb(&kargs);
return 0;
}
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