1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/*
* Copyright (C) 2013-2015 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"
#include "mali_soft_job.h"
#include "mali_timeline.h"
int soft_job_start_wrapper(struct mali_session_data *session, _mali_uk_soft_job_start_s __user *uargs)
{
_mali_uk_soft_job_start_s kargs;
u32 type, point;
u64 user_job;
struct mali_timeline_fence fence;
struct mali_soft_job *job = NULL;
u32 __user *job_id_ptr = NULL;
/* 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, -EINVAL);
MALI_DEBUG_ASSERT_POINTER(session->soft_job_system);
if (0 != copy_from_user(&kargs, uargs, sizeof(kargs))) {
return -EFAULT;
}
type = kargs.type;
user_job = kargs.user_job;
job_id_ptr = (u32 __user *)(uintptr_t)kargs.job_id_ptr;
mali_timeline_fence_copy_uk_fence(&fence, &kargs.fence);
if ((MALI_SOFT_JOB_TYPE_USER_SIGNALED != type) && (MALI_SOFT_JOB_TYPE_SELF_SIGNALED != type)) {
MALI_DEBUG_PRINT_ERROR(("Invalid soft job type specified\n"));
return -EINVAL;
}
/* Create soft job. */
job = mali_soft_job_create(session->soft_job_system, (enum mali_soft_job_type)type, user_job);
if (unlikely(NULL == job)) {
return map_errcode(_MALI_OSK_ERR_NOMEM);
}
/* Write job id back to user space. */
if (0 != put_user(job->id, job_id_ptr)) {
MALI_PRINT_ERROR(("Mali Soft Job: failed to put job id"));
mali_soft_job_destroy(job);
return map_errcode(_MALI_OSK_ERR_NOMEM);
}
/* Start soft job. */
point = mali_soft_job_start(job, &fence);
if (0 != put_user(point, &uargs->point)) {
/* Let user space know that something failed after the job was started. */
return -ENOENT;
}
return 0;
}
int soft_job_signal_wrapper(struct mali_session_data *session, _mali_uk_soft_job_signal_s __user *uargs)
{
u32 job_id;
_mali_osk_errcode_t err;
MALI_DEBUG_ASSERT_POINTER(session);
if (0 != get_user(job_id, &uargs->job_id)) return -EFAULT;
err = mali_soft_job_system_signal_job(session->soft_job_system, job_id);
return map_errcode(err);
}
|
