2 * Copyright (C) 2011-2012 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"
19 #include "mali_sync.h"
21 int get_api_version_wrapper(struct mali_session_data *session_data, _mali_uk_get_api_version_s __user *uargs)
23 _mali_uk_get_api_version_s kargs;
24 _mali_osk_errcode_t err;
26 MALI_CHECK_NON_NULL(uargs, -EINVAL);
28 if (0 != get_user(kargs.version, &uargs->version)) return -EFAULT;
30 kargs.ctx = session_data;
31 err = _mali_ukk_get_api_version(&kargs);
32 if (_MALI_OSK_ERR_OK != err) return map_errcode(err);
34 if (0 != put_user(kargs.version, &uargs->version)) return -EFAULT;
35 if (0 != put_user(kargs.compatible, &uargs->compatible)) return -EFAULT;
40 int wait_for_notification_wrapper(struct mali_session_data *session_data, _mali_uk_wait_for_notification_s __user *uargs)
42 _mali_uk_wait_for_notification_s kargs;
43 _mali_osk_errcode_t err;
45 MALI_CHECK_NON_NULL(uargs, -EINVAL);
47 kargs.ctx = session_data;
48 err = _mali_ukk_wait_for_notification(&kargs);
49 if (_MALI_OSK_ERR_OK != err) return map_errcode(err);
51 if(_MALI_NOTIFICATION_CORE_SHUTDOWN_IN_PROGRESS != kargs.type)
53 kargs.ctx = NULL; /* prevent kernel address to be returned to user space */
54 if (0 != copy_to_user(uargs, &kargs, sizeof(_mali_uk_wait_for_notification_s))) return -EFAULT;
58 if (0 != put_user(kargs.type, &uargs->type)) return -EFAULT;
64 int post_notification_wrapper(struct mali_session_data *session_data, _mali_uk_post_notification_s __user *uargs)
66 _mali_uk_post_notification_s kargs;
67 _mali_osk_errcode_t err;
69 MALI_CHECK_NON_NULL(uargs, -EINVAL);
71 kargs.ctx = session_data;
73 if (0 != get_user(kargs.type, &uargs->type))
78 err = _mali_ukk_post_notification(&kargs);
79 if (_MALI_OSK_ERR_OK != err)
81 return map_errcode(err);
87 int get_user_settings_wrapper(struct mali_session_data *session_data, _mali_uk_get_user_settings_s __user *uargs)
89 _mali_uk_get_user_settings_s kargs;
90 _mali_osk_errcode_t err;
92 MALI_CHECK_NON_NULL(uargs, -EINVAL);
94 kargs.ctx = session_data;
95 err = _mali_ukk_get_user_settings(&kargs);
96 if (_MALI_OSK_ERR_OK != err)
98 return map_errcode(err);
101 kargs.ctx = NULL; /* prevent kernel address to be returned to user space */
102 if (0 != copy_to_user(uargs, &kargs, sizeof(_mali_uk_get_user_settings_s))) return -EFAULT;
109 #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0)
110 int stream_create_wrapper(struct mali_session_data *session_data, _mali_uk_stream_create_s __user *uargs)
112 _mali_uk_stream_create_s kargs;
113 _mali_osk_errcode_t err;
116 MALI_CHECK_NON_NULL(uargs, -EINVAL);
118 snprintf(name, 32, "mali-%u", _mali_osk_get_pid());
120 kargs.ctx = session_data;
121 err = mali_stream_create(name, &kargs.fd);
122 if (_MALI_OSK_ERR_OK != err)
124 return map_errcode(err);
127 kargs.ctx = NULL; /* prevent kernel address to be returned to user space */
128 if (0 != copy_to_user(uargs, &kargs, sizeof(_mali_uk_stream_create_s))) return -EFAULT;
133 int sync_fence_validate_wrapper(struct mali_session_data *session, _mali_uk_fence_validate_s __user *uargs)
136 _mali_osk_errcode_t err;
138 if (0 != get_user(fd, &uargs->fd))
143 err = mali_fence_validate(fd);
145 if (_MALI_OSK_ERR_OK == err)