/*
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* Copyright (C) 2013-2014, 2016-2017 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/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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#include "mali_soft_job.h"
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#include "mali_timeline.h"
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int soft_job_start_wrapper(struct mali_session_data *session, _mali_uk_soft_job_start_s __user *uargs)
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{
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_mali_uk_soft_job_start_s kargs;
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u32 type, point;
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u64 user_job;
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struct mali_timeline_fence fence;
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struct mali_soft_job *job = NULL;
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u32 __user *job_id_ptr = NULL;
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/* If the job was started successfully, 0 is returned. If there was an error, but the job
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* was started, we return -ENOENT. For anything else returned, the job was not started. */
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MALI_CHECK_NON_NULL(uargs, -EINVAL);
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MALI_CHECK_NON_NULL(session, -EINVAL);
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MALI_DEBUG_ASSERT_POINTER(session->soft_job_system);
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if (0 != copy_from_user(&kargs, uargs, sizeof(kargs))) {
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return -EFAULT;
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}
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type = kargs.type;
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user_job = kargs.user_job;
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job_id_ptr = (u32 __user *)(uintptr_t)kargs.job_id_ptr;
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mali_timeline_fence_copy_uk_fence(&fence, &kargs.fence);
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if ((MALI_SOFT_JOB_TYPE_USER_SIGNALED != type) && (MALI_SOFT_JOB_TYPE_SELF_SIGNALED != type)) {
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MALI_DEBUG_PRINT_ERROR(("Invalid soft job type specified\n"));
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return -EINVAL;
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}
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/* Create soft job. */
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job = mali_soft_job_create(session->soft_job_system, (enum mali_soft_job_type)type, user_job);
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if (unlikely(NULL == job)) {
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return map_errcode(_MALI_OSK_ERR_NOMEM);
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}
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/* Write job id back to user space. */
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if (0 != put_user(job->id, job_id_ptr)) {
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MALI_PRINT_ERROR(("Mali Soft Job: failed to put job id"));
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mali_soft_job_destroy(job);
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return map_errcode(_MALI_OSK_ERR_NOMEM);
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}
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/* Start soft job. */
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point = mali_soft_job_start(job, &fence);
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if (0 != put_user(point, &uargs->point)) {
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/* Let user space know that something failed after the job was started. */
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return -ENOENT;
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}
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return 0;
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}
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int soft_job_signal_wrapper(struct mali_session_data *session, _mali_uk_soft_job_signal_s __user *uargs)
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{
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u32 job_id;
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_mali_osk_errcode_t err;
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MALI_DEBUG_ASSERT_POINTER(session);
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if (0 != get_user(job_id, &uargs->job_id)) return -EFAULT;
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err = mali_soft_job_system_signal_job(session->soft_job_system, job_id);
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return map_errcode(err);
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}
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