/*
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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 "mali_soft_job.h"
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#include "mali_osk.h"
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#include "mali_timeline.h"
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#include "mali_session.h"
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#include "mali_kernel_common.h"
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#include "mali_uk_types.h"
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#include "mali_scheduler.h"
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#include "mali_executor.h"
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MALI_STATIC_INLINE void mali_soft_job_system_lock(struct mali_soft_job_system *system)
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{
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MALI_DEBUG_ASSERT_POINTER(system);
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_mali_osk_spinlock_irq_lock(system->lock);
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MALI_DEBUG_PRINT(5, ("Mali Soft Job: soft system %p lock taken\n", system));
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MALI_DEBUG_ASSERT(0 == system->lock_owner);
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MALI_DEBUG_CODE(system->lock_owner = _mali_osk_get_tid());
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}
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MALI_STATIC_INLINE void mali_soft_job_system_unlock(struct mali_soft_job_system *system)
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{
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MALI_DEBUG_ASSERT_POINTER(system);
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MALI_DEBUG_PRINT(5, ("Mali Soft Job: releasing soft system %p lock\n", system));
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MALI_DEBUG_ASSERT(_mali_osk_get_tid() == system->lock_owner);
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MALI_DEBUG_CODE(system->lock_owner = 0);
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_mali_osk_spinlock_irq_unlock(system->lock);
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}
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#if defined(DEBUG)
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MALI_STATIC_INLINE void mali_soft_job_system_assert_locked(struct mali_soft_job_system *system)
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{
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MALI_DEBUG_ASSERT_POINTER(system);
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MALI_DEBUG_ASSERT(_mali_osk_get_tid() == system->lock_owner);
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}
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#define MALI_ASSERT_SOFT_JOB_SYSTEM_LOCKED(system) mali_soft_job_system_assert_locked(system)
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#else
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#define MALI_ASSERT_SOFT_JOB_SYSTEM_LOCKED(system)
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#endif /* defined(DEBUG) */
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struct mali_soft_job_system *mali_soft_job_system_create(struct mali_session_data *session)
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{
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struct mali_soft_job_system *system;
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MALI_DEBUG_ASSERT_POINTER(session);
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system = (struct mali_soft_job_system *) _mali_osk_calloc(1, sizeof(struct mali_soft_job_system));
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if (NULL == system) {
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return NULL;
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}
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system->session = session;
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system->lock = _mali_osk_spinlock_irq_init(_MALI_OSK_LOCKFLAG_ORDERED, _MALI_OSK_LOCK_ORDER_SCHEDULER);
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if (NULL == system->lock) {
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mali_soft_job_system_destroy(system);
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return NULL;
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}
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system->lock_owner = 0;
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system->last_job_id = 0;
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_MALI_OSK_INIT_LIST_HEAD(&(system->jobs_used));
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return system;
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}
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void mali_soft_job_system_destroy(struct mali_soft_job_system *system)
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{
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MALI_DEBUG_ASSERT_POINTER(system);
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/* All jobs should be free at this point. */
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MALI_DEBUG_ASSERT(_mali_osk_list_empty(&(system->jobs_used)));
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if (NULL != system) {
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if (NULL != system->lock) {
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_mali_osk_spinlock_irq_term(system->lock);
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}
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_mali_osk_free(system);
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}
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}
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static void mali_soft_job_system_free_job(struct mali_soft_job_system *system, struct mali_soft_job *job)
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{
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MALI_DEBUG_ASSERT_POINTER(job);
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MALI_DEBUG_ASSERT_POINTER(system);
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mali_soft_job_system_lock(job->system);
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MALI_DEBUG_ASSERT(MALI_SOFT_JOB_INVALID_ID != job->id);
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MALI_DEBUG_ASSERT(system == job->system);
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_mali_osk_list_del(&(job->system_list));
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mali_soft_job_system_unlock(job->system);
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_mali_osk_free(job);
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}
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MALI_STATIC_INLINE struct mali_soft_job *mali_soft_job_system_lookup_job(struct mali_soft_job_system *system, u32 job_id)
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{
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struct mali_soft_job *job, *tmp;
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MALI_DEBUG_ASSERT_POINTER(system);
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MALI_ASSERT_SOFT_JOB_SYSTEM_LOCKED(system);
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_MALI_OSK_LIST_FOREACHENTRY(job, tmp, &system->jobs_used, struct mali_soft_job, system_list) {
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if (job->id == job_id)
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return job;
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}
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return NULL;
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}
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void mali_soft_job_destroy(struct mali_soft_job *job)
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{
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MALI_DEBUG_ASSERT_POINTER(job);
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MALI_DEBUG_ASSERT_POINTER(job->system);
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MALI_DEBUG_PRINT(4, ("Mali Soft Job: destroying soft job %u (0x%08X)\n", job->id, job));
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if (NULL != job) {
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if (0 < _mali_osk_atomic_dec_return(&job->refcount)) return;
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_mali_osk_atomic_term(&job->refcount);
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if (NULL != job->activated_notification) {
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_mali_osk_notification_delete(job->activated_notification);
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job->activated_notification = NULL;
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}
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mali_soft_job_system_free_job(job->system, job);
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}
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}
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struct mali_soft_job *mali_soft_job_create(struct mali_soft_job_system *system, mali_soft_job_type type, u64 user_job)
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{
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struct mali_soft_job *job;
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_mali_osk_notification_t *notification = NULL;
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MALI_DEBUG_ASSERT_POINTER(system);
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MALI_DEBUG_ASSERT((MALI_SOFT_JOB_TYPE_USER_SIGNALED == type) ||
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(MALI_SOFT_JOB_TYPE_SELF_SIGNALED == type));
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notification = _mali_osk_notification_create(_MALI_NOTIFICATION_SOFT_ACTIVATED, sizeof(_mali_uk_soft_job_activated_s));
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if (unlikely(NULL == notification)) {
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MALI_PRINT_ERROR(("Mali Soft Job: failed to allocate notification"));
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return NULL;
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}
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job = _mali_osk_malloc(sizeof(struct mali_soft_job));
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if (unlikely(NULL == job)) {
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MALI_DEBUG_PRINT(2, ("Mali Soft Job: system alloc job failed. \n"));
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return NULL;
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}
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mali_soft_job_system_lock(system);
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job->system = system;
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job->id = system->last_job_id++;
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job->state = MALI_SOFT_JOB_STATE_ALLOCATED;
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_mali_osk_list_add(&(job->system_list), &(system->jobs_used));
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job->type = type;
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job->user_job = user_job;
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job->activated = MALI_FALSE;
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job->activated_notification = notification;
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_mali_osk_atomic_init(&job->refcount, 1);
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MALI_DEBUG_ASSERT(MALI_SOFT_JOB_STATE_ALLOCATED == job->state);
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MALI_DEBUG_ASSERT(system == job->system);
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MALI_DEBUG_ASSERT(MALI_SOFT_JOB_INVALID_ID != job->id);
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mali_soft_job_system_unlock(system);
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return job;
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}
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mali_timeline_point mali_soft_job_start(struct mali_soft_job *job, struct mali_timeline_fence *fence)
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{
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mali_timeline_point point;
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struct mali_soft_job_system *system;
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MALI_DEBUG_ASSERT_POINTER(job);
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MALI_DEBUG_ASSERT_POINTER(fence);
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MALI_DEBUG_ASSERT_POINTER(job->system);
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system = job->system;
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MALI_DEBUG_ASSERT_POINTER(system->session);
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MALI_DEBUG_ASSERT_POINTER(system->session->timeline_system);
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mali_soft_job_system_lock(system);
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MALI_DEBUG_ASSERT(MALI_SOFT_JOB_STATE_ALLOCATED == job->state);
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job->state = MALI_SOFT_JOB_STATE_STARTED;
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mali_soft_job_system_unlock(system);
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MALI_DEBUG_PRINT(4, ("Mali Soft Job: starting soft job %u (0x%08X)\n", job->id, job));
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mali_timeline_tracker_init(&job->tracker, MALI_TIMELINE_TRACKER_SOFT, fence, job);
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point = mali_timeline_system_add_tracker(system->session->timeline_system, &job->tracker, MALI_TIMELINE_SOFT);
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return point;
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}
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static mali_bool mali_soft_job_is_activated(void *data)
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{
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struct mali_soft_job *job;
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job = (struct mali_soft_job *) data;
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MALI_DEBUG_ASSERT_POINTER(job);
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return job->activated;
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}
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_mali_osk_errcode_t mali_soft_job_system_signal_job(struct mali_soft_job_system *system, u32 job_id)
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{
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struct mali_soft_job *job;
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struct mali_timeline_system *timeline_system;
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mali_scheduler_mask schedule_mask;
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MALI_DEBUG_ASSERT_POINTER(system);
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mali_soft_job_system_lock(system);
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job = mali_soft_job_system_lookup_job(system, job_id);
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if ((NULL == job) || (MALI_SOFT_JOB_TYPE_USER_SIGNALED != job->type)
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|| !(MALI_SOFT_JOB_STATE_STARTED == job->state || MALI_SOFT_JOB_STATE_TIMED_OUT == job->state)) {
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mali_soft_job_system_unlock(system);
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MALI_PRINT_ERROR(("Mali Soft Job: invalid soft job id %u", job_id));
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return _MALI_OSK_ERR_ITEM_NOT_FOUND;
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}
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if (MALI_SOFT_JOB_STATE_TIMED_OUT == job->state) {
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job->state = MALI_SOFT_JOB_STATE_SIGNALED;
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mali_soft_job_system_unlock(system);
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MALI_DEBUG_ASSERT(MALI_TRUE == job->activated);
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MALI_DEBUG_PRINT(4, ("Mali Soft Job: soft job %u (0x%08X) was timed out\n", job->id, job));
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mali_soft_job_destroy(job);
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return _MALI_OSK_ERR_TIMEOUT;
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}
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MALI_DEBUG_ASSERT(MALI_SOFT_JOB_STATE_STARTED == job->state);
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job->state = MALI_SOFT_JOB_STATE_SIGNALED;
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mali_soft_job_system_unlock(system);
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/* Since the job now is in signaled state, timeouts from the timeline system will be
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* ignored, and it is not possible to signal this job again. */
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timeline_system = system->session->timeline_system;
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MALI_DEBUG_ASSERT_POINTER(timeline_system);
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/* Wait until activated. */
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_mali_osk_wait_queue_wait_event(timeline_system->wait_queue, mali_soft_job_is_activated, (void *) job);
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MALI_DEBUG_PRINT(4, ("Mali Soft Job: signaling soft job %u (0x%08X)\n", job->id, job));
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schedule_mask = mali_timeline_tracker_release(&job->tracker);
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mali_executor_schedule_from_mask(schedule_mask, MALI_FALSE);
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mali_soft_job_destroy(job);
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return _MALI_OSK_ERR_OK;
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}
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static void mali_soft_job_send_activated_notification(struct mali_soft_job *job)
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{
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if (NULL != job->activated_notification) {
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_mali_uk_soft_job_activated_s *res = job->activated_notification->result_buffer;
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res->user_job = job->user_job;
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mali_session_send_notification(job->system->session, job->activated_notification);
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}
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job->activated_notification = NULL;
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}
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mali_scheduler_mask mali_soft_job_system_activate_job(struct mali_soft_job *job)
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{
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mali_scheduler_mask schedule_mask = MALI_SCHEDULER_MASK_EMPTY;
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MALI_DEBUG_ASSERT_POINTER(job);
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MALI_DEBUG_ASSERT_POINTER(job->system);
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MALI_DEBUG_ASSERT_POINTER(job->system->session);
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MALI_DEBUG_PRINT(4, ("Mali Soft Job: Timeline activation for soft job %u (0x%08X).\n", job->id, job));
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mali_soft_job_system_lock(job->system);
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if (unlikely(job->system->session->is_aborting)) {
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MALI_DEBUG_PRINT(3, ("Mali Soft Job: Soft job %u (0x%08X) activated while session is aborting.\n", job->id, job));
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mali_soft_job_system_unlock(job->system);
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/* Since we are in shutdown, we can ignore the scheduling bitmask. */
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mali_timeline_tracker_release(&job->tracker);
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mali_soft_job_destroy(job);
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return schedule_mask;
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}
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/* Send activated notification. */
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mali_soft_job_send_activated_notification(job);
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/* Wake up sleeping signaler. */
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job->activated = MALI_TRUE;
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/* If job type is self signaled, release tracker, move soft job to free list, and scheduler at once */
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if (MALI_SOFT_JOB_TYPE_SELF_SIGNALED == job->type) {
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MALI_DEBUG_ASSERT(MALI_SOFT_JOB_STATE_STARTED == job->state);
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job->state = MALI_SOFT_JOB_STATE_SIGNALED;
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mali_soft_job_system_unlock(job->system);
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schedule_mask |= mali_timeline_tracker_release(&job->tracker);
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mali_soft_job_destroy(job);
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} else {
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_mali_osk_wait_queue_wake_up(job->tracker.system->wait_queue);
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mali_soft_job_system_unlock(job->system);
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}
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return schedule_mask;
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}
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mali_scheduler_mask mali_soft_job_system_timeout_job(struct mali_soft_job *job)
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{
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mali_scheduler_mask schedule_mask = MALI_SCHEDULER_MASK_EMPTY;
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MALI_DEBUG_ASSERT_POINTER(job);
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MALI_DEBUG_ASSERT_POINTER(job->system);
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MALI_DEBUG_ASSERT_POINTER(job->system->session);
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MALI_DEBUG_ASSERT(MALI_TRUE == job->activated);
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MALI_DEBUG_PRINT(4, ("Mali Soft Job: Timeline timeout for soft job %u (0x%08X).\n", job->id, job));
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mali_soft_job_system_lock(job->system);
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MALI_DEBUG_ASSERT(MALI_SOFT_JOB_STATE_STARTED == job->state ||
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MALI_SOFT_JOB_STATE_SIGNALED == job->state);
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if (unlikely(job->system->session->is_aborting)) {
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/* The session is aborting. This job will be released and destroyed by @ref
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* mali_soft_job_system_abort(). */
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mali_soft_job_system_unlock(job->system);
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return MALI_SCHEDULER_MASK_EMPTY;
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}
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if (MALI_SOFT_JOB_STATE_STARTED != job->state) {
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MALI_DEBUG_ASSERT(MALI_SOFT_JOB_STATE_SIGNALED == job->state);
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/* The job is about to be signaled, ignore timeout. */
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MALI_DEBUG_PRINT(4, ("Mali Soft Job: Timeout on soft job %u (0x%08X) in signaled state.\n", job->id, job));
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mali_soft_job_system_unlock(job->system);
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return schedule_mask;
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}
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MALI_DEBUG_ASSERT(MALI_SOFT_JOB_STATE_STARTED == job->state);
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job->state = MALI_SOFT_JOB_STATE_TIMED_OUT;
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_mali_osk_atomic_inc(&job->refcount);
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mali_soft_job_system_unlock(job->system);
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schedule_mask = mali_timeline_tracker_release(&job->tracker);
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mali_soft_job_destroy(job);
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return schedule_mask;
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}
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void mali_soft_job_system_abort(struct mali_soft_job_system *system)
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{
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struct mali_soft_job *job, *tmp;
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_MALI_OSK_LIST_HEAD_STATIC_INIT(jobs);
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MALI_DEBUG_ASSERT_POINTER(system);
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MALI_DEBUG_ASSERT_POINTER(system->session);
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MALI_DEBUG_ASSERT(system->session->is_aborting);
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MALI_DEBUG_PRINT(3, ("Mali Soft Job: Aborting soft job system for session 0x%08X.\n", system->session));
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mali_soft_job_system_lock(system);
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_MALI_OSK_LIST_FOREACHENTRY(job, tmp, &system->jobs_used, struct mali_soft_job, system_list) {
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MALI_DEBUG_ASSERT(MALI_SOFT_JOB_STATE_STARTED == job->state ||
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MALI_SOFT_JOB_STATE_TIMED_OUT == job->state);
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if (MALI_SOFT_JOB_STATE_STARTED == job->state) {
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/* If the job has been activated, we have to release the tracker and destroy
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* the job. If not, the tracker will be released and the job destroyed when
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* it is activated. */
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if (MALI_TRUE == job->activated) {
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MALI_DEBUG_PRINT(3, ("Mali Soft Job: Aborting unsignaled soft job %u (0x%08X).\n", job->id, job));
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job->state = MALI_SOFT_JOB_STATE_SIGNALED;
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_mali_osk_list_move(&job->system_list, &jobs);
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}
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} else if (MALI_SOFT_JOB_STATE_TIMED_OUT == job->state) {
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MALI_DEBUG_PRINT(3, ("Mali Soft Job: Aborting timed out soft job %u (0x%08X).\n", job->id, job));
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/* We need to destroy this soft job. */
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_mali_osk_list_move(&job->system_list, &jobs);
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}
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}
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mali_soft_job_system_unlock(system);
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/* Release and destroy jobs. */
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_MALI_OSK_LIST_FOREACHENTRY(job, tmp, &jobs, struct mali_soft_job, system_list) {
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MALI_DEBUG_ASSERT(MALI_SOFT_JOB_STATE_SIGNALED == job->state ||
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MALI_SOFT_JOB_STATE_TIMED_OUT == job->state);
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if (MALI_SOFT_JOB_STATE_SIGNALED == job->state) {
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mali_timeline_tracker_release(&job->tracker);
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}
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/* Move job back to used list before destroying. */
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_mali_osk_list_move(&job->system_list, &system->jobs_used);
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mali_soft_job_destroy(job);
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}
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}
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