2 * Copyright (C) 2010-2016 ARM Limited. All rights reserved.
4 * This program is free software and is provided to you under the terms of the GNU General Public License version 2
5 * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
7 * A copy of the licence is included with the program, and can also be obtained from Free Software
8 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
10 #include <linux/fs.h> /* file system operations */
11 #include <linux/slab.h> /* memort allocation functions */
12 #include <asm/uaccess.h> /* user space access */
16 #include "mali_kernel_common.h"
17 #include "mali_session.h"
18 #include "mali_ukk_wrappers.h"
20 int get_api_version_wrapper(struct mali_session_data *session_data, _mali_uk_get_api_version_s __user *uargs)
22 _mali_uk_get_api_version_s kargs;
23 _mali_osk_errcode_t err;
25 MALI_CHECK_NON_NULL(uargs, -EINVAL);
27 if (0 != get_user(kargs.version, &uargs->version)) return -EFAULT;
29 kargs.ctx = (uintptr_t)session_data;
30 err = _mali_ukk_get_api_version(&kargs);
31 if (_MALI_OSK_ERR_OK != err) return map_errcode(err);
33 if (0 != put_user(kargs.version, &uargs->version)) return -EFAULT;
34 if (0 != put_user(kargs.compatible, &uargs->compatible)) return -EFAULT;
39 int get_api_version_v2_wrapper(struct mali_session_data *session_data, _mali_uk_get_api_version_v2_s __user *uargs)
41 _mali_uk_get_api_version_v2_s kargs;
42 _mali_osk_errcode_t err;
44 MALI_CHECK_NON_NULL(uargs, -EINVAL);
46 if (0 != get_user(kargs.version, &uargs->version)) return -EFAULT;
48 kargs.ctx = (uintptr_t)session_data;
49 err = _mali_ukk_get_api_version_v2(&kargs);
50 if (_MALI_OSK_ERR_OK != err) return map_errcode(err);
52 if (0 != put_user(kargs.version, &uargs->version)) return -EFAULT;
53 if (0 != put_user(kargs.compatible, &uargs->compatible)) return -EFAULT;
58 /* rk_ext : 从对 r5p0-01rel0 集成开始, 不再使用. */
60 #define mali400_in_rk30_version 0x01
61 int get_mali_version_in_rk30_wrapper(struct mali_session_data *session_data, _mali_uk_get_mali_version_in_rk30_s __user *uargs)
63 _mali_uk_get_mali_version_in_rk30_s kargs;
64 MALI_CHECK_NON_NULL(uargs, -EINVAL);
65 kargs.ctx = (uintptr_t)session_data;
66 kargs.version = mali400_in_rk30_version;
67 if (0 != put_user(kargs.version, &uargs->version)) return -EFAULT;
71 #include "../platform/rk/rk_ext.h"
72 int get_rk_ko_version_wrapper(struct mali_session_data *session_data, _mali_rk_ko_version_s __user *uargs)
74 _mali_rk_ko_version_s kargs;
75 MALI_CHECK_NON_NULL(uargs, -EINVAL);
76 kargs.ctx = (uintptr_t)session_data;
77 kargs.version = RK_KO_VER;
78 if (0 != put_user(kargs.version, &uargs->version)) return -EFAULT;
83 int wait_for_notification_wrapper(struct mali_session_data *session_data, _mali_uk_wait_for_notification_s __user *uargs)
85 _mali_uk_wait_for_notification_s kargs;
86 _mali_osk_errcode_t err;
88 MALI_CHECK_NON_NULL(uargs, -EINVAL);
90 kargs.ctx = (uintptr_t)session_data;
91 err = _mali_ukk_wait_for_notification(&kargs);
92 if (_MALI_OSK_ERR_OK != err) return map_errcode(err);
94 if (_MALI_NOTIFICATION_CORE_SHUTDOWN_IN_PROGRESS != kargs.type) {
95 kargs.ctx = (uintptr_t)NULL; /* prevent kernel address to be returned to user space */
96 if (0 != copy_to_user(uargs, &kargs, sizeof(_mali_uk_wait_for_notification_s))) return -EFAULT;
98 if (0 != put_user(kargs.type, &uargs->type)) return -EFAULT;
104 int post_notification_wrapper(struct mali_session_data *session_data, _mali_uk_post_notification_s __user *uargs)
106 _mali_uk_post_notification_s kargs;
107 _mali_osk_errcode_t err;
109 MALI_CHECK_NON_NULL(uargs, -EINVAL);
111 kargs.ctx = (uintptr_t)session_data;
113 if (0 != get_user(kargs.type, &uargs->type)) {
117 err = _mali_ukk_post_notification(&kargs);
118 if (_MALI_OSK_ERR_OK != err) {
119 return map_errcode(err);
125 int get_user_settings_wrapper(struct mali_session_data *session_data, _mali_uk_get_user_settings_s __user *uargs)
127 _mali_uk_get_user_settings_s kargs;
128 _mali_osk_errcode_t err;
130 MALI_CHECK_NON_NULL(uargs, -EINVAL);
132 kargs.ctx = (uintptr_t)session_data;
133 err = _mali_ukk_get_user_settings(&kargs);
134 if (_MALI_OSK_ERR_OK != err) {
135 return map_errcode(err);
138 kargs.ctx = 0; /* prevent kernel address to be returned to user space */
139 if (0 != copy_to_user(uargs, &kargs, sizeof(_mali_uk_get_user_settings_s))) return -EFAULT;
144 int request_high_priority_wrapper(struct mali_session_data *session_data, _mali_uk_request_high_priority_s __user *uargs)
146 _mali_uk_request_high_priority_s kargs;
147 _mali_osk_errcode_t err;
149 MALI_CHECK_NON_NULL(uargs, -EINVAL);
151 kargs.ctx = (uintptr_t)session_data;
152 err = _mali_ukk_request_high_priority(&kargs);
156 return map_errcode(err);
159 int pending_submit_wrapper(struct mali_session_data *session_data, _mali_uk_pending_submit_s __user *uargs)
161 _mali_uk_pending_submit_s kargs;
162 _mali_osk_errcode_t err;
164 MALI_CHECK_NON_NULL(uargs, -EINVAL);
166 kargs.ctx = (uintptr_t)session_data;
167 err = _mali_ukk_pending_submit(&kargs);
168 if (_MALI_OSK_ERR_OK != err) return map_errcode(err);