/*
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* Copyright (C) 2010-2017 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
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*
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* A copy of the licence is included with the program, and can also be obtained from Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <linux/fs.h> /* file system operations */
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#include <linux/slab.h> /* memort allocation functions */
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#include <linux/uaccess.h> /* user space access */
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#include "mali_ukk.h"
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#include "mali_osk.h"
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#include "mali_kernel_common.h"
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#include "mali_session.h"
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#include "mali_ukk_wrappers.h"
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int get_api_version_wrapper(struct mali_session_data *session_data, _mali_uk_get_api_version_s __user *uargs)
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{
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_mali_uk_get_api_version_s kargs;
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_mali_osk_errcode_t err;
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MALI_CHECK_NON_NULL(uargs, -EINVAL);
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if (0 != get_user(kargs.version, &uargs->version)) return -EFAULT;
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kargs.ctx = (uintptr_t)session_data;
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err = _mali_ukk_get_api_version(&kargs);
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if (_MALI_OSK_ERR_OK != err) return map_errcode(err);
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if (0 != put_user(kargs.version, &uargs->version)) return -EFAULT;
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if (0 != put_user(kargs.compatible, &uargs->compatible)) return -EFAULT;
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return 0;
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}
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int get_api_version_v2_wrapper(struct mali_session_data *session_data, _mali_uk_get_api_version_v2_s __user *uargs)
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{
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_mali_uk_get_api_version_v2_s kargs;
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_mali_osk_errcode_t err;
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MALI_CHECK_NON_NULL(uargs, -EINVAL);
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if (0 != get_user(kargs.version, &uargs->version)) return -EFAULT;
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kargs.ctx = (uintptr_t)session_data;
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err = _mali_ukk_get_api_version_v2(&kargs);
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if (_MALI_OSK_ERR_OK != err) return map_errcode(err);
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if (0 != put_user(kargs.version, &uargs->version)) return -EFAULT;
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if (0 != put_user(kargs.compatible, &uargs->compatible)) return -EFAULT;
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return 0;
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}
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/* rk_ext : 从对 r5p0-01rel0 集成开始, 不再使用. */
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#if 0
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#define mali400_in_rk30_version 0x01
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int get_mali_version_in_rk30_wrapper(struct mali_session_data *session_data, _mali_uk_get_mali_version_in_rk30_s __user *uargs)
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{
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_mali_uk_get_mali_version_in_rk30_s kargs;
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MALI_CHECK_NON_NULL(uargs, -EINVAL);
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kargs.ctx = (uintptr_t)session_data;
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kargs.version = mali400_in_rk30_version;
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if (0 != put_user(kargs.version, &uargs->version)) return -EFAULT;
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return 0;
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}
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#else
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#include "../platform/rk/rk_ext.h"
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int get_rk_ko_version_wrapper(struct mali_session_data *session_data, _mali_rk_ko_version_s __user *uargs)
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{
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_mali_rk_ko_version_s kargs;
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MALI_CHECK_NON_NULL(uargs, -EINVAL);
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kargs.ctx = (uintptr_t)session_data;
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kargs.version = RK_KO_VER;
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if (0 != put_user(kargs.version, &uargs->version)) return -EFAULT;
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return 0;
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}
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#endif
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int wait_for_notification_wrapper(struct mali_session_data *session_data, _mali_uk_wait_for_notification_s __user *uargs)
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{
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_mali_uk_wait_for_notification_s kargs;
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_mali_osk_errcode_t err;
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MALI_CHECK_NON_NULL(uargs, -EINVAL);
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kargs.ctx = (uintptr_t)session_data;
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err = _mali_ukk_wait_for_notification(&kargs);
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if (_MALI_OSK_ERR_OK != err) return map_errcode(err);
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if (_MALI_NOTIFICATION_CORE_SHUTDOWN_IN_PROGRESS != kargs.type) {
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kargs.ctx = (uintptr_t)NULL; /* prevent kernel address to be returned to user space */
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if (0 != copy_to_user(uargs, &kargs, sizeof(_mali_uk_wait_for_notification_s))) return -EFAULT;
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} else {
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if (0 != put_user(kargs.type, &uargs->type)) return -EFAULT;
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}
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return 0;
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}
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int post_notification_wrapper(struct mali_session_data *session_data, _mali_uk_post_notification_s __user *uargs)
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{
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_mali_uk_post_notification_s kargs;
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_mali_osk_errcode_t err;
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MALI_CHECK_NON_NULL(uargs, -EINVAL);
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kargs.ctx = (uintptr_t)session_data;
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if (0 != get_user(kargs.type, &uargs->type)) {
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return -EFAULT;
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}
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err = _mali_ukk_post_notification(&kargs);
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if (_MALI_OSK_ERR_OK != err) {
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return map_errcode(err);
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}
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return 0;
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}
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int get_user_settings_wrapper(struct mali_session_data *session_data, _mali_uk_get_user_settings_s __user *uargs)
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{
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_mali_uk_get_user_settings_s kargs;
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_mali_osk_errcode_t err;
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MALI_CHECK_NON_NULL(uargs, -EINVAL);
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kargs.ctx = (uintptr_t)session_data;
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err = _mali_ukk_get_user_settings(&kargs);
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if (_MALI_OSK_ERR_OK != err) {
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return map_errcode(err);
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}
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kargs.ctx = 0; /* prevent kernel address to be returned to user space */
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if (0 != copy_to_user(uargs, &kargs, sizeof(_mali_uk_get_user_settings_s))) return -EFAULT;
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return 0;
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}
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int request_high_priority_wrapper(struct mali_session_data *session_data, _mali_uk_request_high_priority_s __user *uargs)
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{
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_mali_uk_request_high_priority_s kargs;
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_mali_osk_errcode_t err;
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MALI_CHECK_NON_NULL(uargs, -EINVAL);
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kargs.ctx = (uintptr_t)session_data;
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err = _mali_ukk_request_high_priority(&kargs);
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kargs.ctx = 0;
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return map_errcode(err);
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}
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int pending_submit_wrapper(struct mali_session_data *session_data, _mali_uk_pending_submit_s __user *uargs)
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{
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_mali_uk_pending_submit_s kargs;
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_mali_osk_errcode_t err;
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MALI_CHECK_NON_NULL(uargs, -EINVAL);
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kargs.ctx = (uintptr_t)session_data;
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err = _mali_ukk_pending_submit(&kargs);
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if (_MALI_OSK_ERR_OK != err) return map_errcode(err);
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return 0;
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}
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