1 /*
2 * Copyright (C) 2010, 2012-2014, 2016-2017 ARM Limited. All rights reserved.
3 *
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.
6 *
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.
9 */
10 #include <linux/fs.h> /* file system operations */
11 #include <linux/uaccess.h> /* user space access */
12
13 #include "mali_ukk.h"
14 #include "mali_osk.h"
15 #include "mali_kernel_common.h"
16 #include "mali_session.h"
17 #include "mali_ukk_wrappers.h"
18
gp_start_job_wrapper(struct mali_session_data * session_data,_mali_uk_gp_start_job_s __user * uargs)19 int gp_start_job_wrapper(struct mali_session_data *session_data, _mali_uk_gp_start_job_s __user *uargs)
20 {
21 _mali_osk_errcode_t err;
22
23 /* If the job was started successfully, 0 is returned. If there was an error, but the job
24 * was started, we return -ENOENT. For anything else returned, the job was not started. */
25
26 MALI_CHECK_NON_NULL(uargs, -EINVAL);
27 MALI_CHECK_NON_NULL(session_data, -EINVAL);
28
29 err = _mali_ukk_gp_start_job(session_data, uargs);
30 if (_MALI_OSK_ERR_OK != err) return map_errcode(err);
31
32 return 0;
33 }
34
gp_get_core_version_wrapper(struct mali_session_data * session_data,_mali_uk_get_gp_core_version_s __user * uargs)35 int gp_get_core_version_wrapper(struct mali_session_data *session_data, _mali_uk_get_gp_core_version_s __user *uargs)
36 {
37 _mali_uk_get_gp_core_version_s kargs;
38 _mali_osk_errcode_t err;
39
40 MALI_CHECK_NON_NULL(uargs, -EINVAL);
41 MALI_CHECK_NON_NULL(session_data, -EINVAL);
42
43 kargs.ctx = (uintptr_t)session_data;
44 err = _mali_ukk_get_gp_core_version(&kargs);
45 if (_MALI_OSK_ERR_OK != err) return map_errcode(err);
46
47 /* no known transactions to roll-back */
48
49 if (0 != put_user(kargs.version, &uargs->version)) return -EFAULT;
50
51 return 0;
52 }
53
gp_suspend_response_wrapper(struct mali_session_data * session_data,_mali_uk_gp_suspend_response_s __user * uargs)54 int gp_suspend_response_wrapper(struct mali_session_data *session_data, _mali_uk_gp_suspend_response_s __user *uargs)
55 {
56 _mali_uk_gp_suspend_response_s kargs;
57 _mali_osk_errcode_t err;
58
59 MALI_CHECK_NON_NULL(uargs, -EINVAL);
60 MALI_CHECK_NON_NULL(session_data, -EINVAL);
61
62 if (0 != copy_from_user(&kargs, uargs, sizeof(_mali_uk_gp_suspend_response_s))) return -EFAULT;
63
64 kargs.ctx = (uintptr_t)session_data;
65 err = _mali_ukk_gp_suspend_response(&kargs);
66 if (_MALI_OSK_ERR_OK != err) return map_errcode(err);
67
68 if (0 != put_user(kargs.cookie, &uargs->cookie)) return -EFAULT;
69
70 /* no known transactions to roll-back */
71 return 0;
72 }
73
gp_get_number_of_cores_wrapper(struct mali_session_data * session_data,_mali_uk_get_gp_number_of_cores_s __user * uargs)74 int gp_get_number_of_cores_wrapper(struct mali_session_data *session_data, _mali_uk_get_gp_number_of_cores_s __user *uargs)
75 {
76 _mali_uk_get_gp_number_of_cores_s kargs;
77 _mali_osk_errcode_t err;
78
79 MALI_CHECK_NON_NULL(uargs, -EINVAL);
80 MALI_CHECK_NON_NULL(session_data, -EINVAL);
81
82 kargs.ctx = (uintptr_t)session_data;
83 err = _mali_ukk_get_gp_number_of_cores(&kargs);
84 if (_MALI_OSK_ERR_OK != err) return map_errcode(err);
85
86 /* no known transactions to roll-back */
87
88 if (0 != put_user(kargs.number_of_cores, &uargs->number_of_cores)) return -EFAULT;
89
90 return 0;
91 }
92