drivers/gpu/arm/mali400/mali/common/mali_gp_job.c

   1 /*
   2  * Copyright (C) 2011-2015 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
  11 #include "mali_gp_job.h"
  12 #include "mali_osk.h"
  13 #include "mali_osk_list.h"
  14 #include "mali_uk_types.h"
  15 #include "mali_memory_virtual.h"
  16 #include "mali_memory_defer_bind.h"
  17
  18 static u32 gp_counter_src0 = MALI_HW_CORE_NO_COUNTER;      /**< Performance counter 0, MALI_HW_CORE_NO_COUNTER for disabled */
  19 static u32 gp_counter_src1 = MALI_HW_CORE_NO_COUNTER;           /**< Performance counter 1, MALI_HW_CORE_NO_COUNTER for disabled */
  20 static void _mali_gp_del_varying_allocations(struct mali_gp_job *job);
  21
  22
  23 static int _mali_gp_add_varying_allocations(struct mali_session_data *session,
  24                 struct mali_gp_job *job,
  25                 u32 *alloc,
  26                 u32 num)
  27 {
  28         int i = 0;
  29         struct mali_gp_allocation_node *alloc_node;
  30         mali_mem_allocation *mali_alloc = NULL;
  31         struct mali_vma_node *mali_vma_node = NULL;
  32
  33         for (i = 0 ; i < num ; i++) {
  34                 MALI_DEBUG_ASSERT(alloc[i]);
  35                 alloc_node = _mali_osk_calloc(1, sizeof(struct mali_gp_allocation_node));
  36                 if (alloc_node) {
  37                         INIT_LIST_HEAD(&alloc_node->node);
  38                         /* find mali allocation structure by vaddress*/
  39                         mali_vma_node = mali_vma_offset_search(&session->allocation_mgr, alloc[i], 0);
  40
  41                         if (likely(mali_vma_node)) {
  42                                 mali_alloc = container_of(mali_vma_node, struct mali_mem_allocation, mali_vma_node);
  43                                 MALI_DEBUG_ASSERT(alloc[i] == mali_vma_node->vm_node.start);
  44                         } else {
  45                                 MALI_DEBUG_PRINT(1, ("ERROE!_mali_gp_add_varying_allocations,can't find allocation %d by address =0x%x, num=%d\n", i, alloc[i], num));
  46                                 _mali_osk_free(alloc_node);
  47                                 goto fail;
  48                         }
  49                         alloc_node->alloc = mali_alloc;
  50                         /* add to gp job varying alloc list*/
  51                         list_move(&alloc_node->node, &job->varying_alloc);
  52                 } else
  53                         goto fail;
  54         }
  55
  56         return 0;
  57 fail:
  58         MALI_DEBUG_PRINT(1, ("ERROE!_mali_gp_add_varying_allocations,failed to alloc memory!\n"));
  59         _mali_gp_del_varying_allocations(job);
  60         return -1;
  61 }
  62
  63
  64 static void _mali_gp_del_varying_allocations(struct mali_gp_job *job)
  65 {
  66         struct mali_gp_allocation_node *alloc_node, *tmp_node;
  67
  68         list_for_each_entry_safe(alloc_node, tmp_node, &job->varying_alloc, node) {
  69                 list_del(&alloc_node->node);
  70                 kfree(alloc_node);
  71         }
  72         INIT_LIST_HEAD(&job->varying_alloc);
  73 }
  74
  75 struct mali_gp_job *mali_gp_job_create(struct mali_session_data *session, _mali_uk_gp_start_job_s *uargs, u32 id, struct mali_timeline_tracker *pp_tracker)
  76 {
  77         struct mali_gp_job *job;
  78         u32 perf_counter_flag;
  79         u32 __user *memory_list = NULL;
  80         struct mali_gp_allocation_node *alloc_node, *tmp_node;
  81
  82         job = _mali_osk_calloc(1, sizeof(struct mali_gp_job));
  83         if (NULL != job) {
  84                 job->finished_notification = _mali_osk_notification_create(_MALI_NOTIFICATION_GP_FINISHED, sizeof(_mali_uk_gp_job_finished_s));
  85                 if (NULL == job->finished_notification) {
  86                         goto fail3;
  87                 }
  88
  89                 job->oom_notification = _mali_osk_notification_create(_MALI_NOTIFICATION_GP_STALLED, sizeof(_mali_uk_gp_job_suspended_s));
  90                 if (NULL == job->oom_notification) {
  91                         goto fail2;
  92                 }
  93
  94                 if (0 != _mali_osk_copy_from_user(&job->uargs, uargs, sizeof(_mali_uk_gp_start_job_s))) {
  95                         goto fail1;
  96                 }
  97
  98                 perf_counter_flag = mali_gp_job_get_perf_counter_flag(job);
  99
 100                 /* case when no counters came from user space
 101                  * so pass the debugfs / DS-5 provided global ones to the job object */
 102                 if (!((perf_counter_flag & _MALI_PERFORMANCE_COUNTER_FLAG_SRC0_ENABLE) ||
 103                       (perf_counter_flag & _MALI_PERFORMANCE_COUNTER_FLAG_SRC1_ENABLE))) {
 104                         mali_gp_job_set_perf_counter_src0(job, mali_gp_job_get_gp_counter_src0());
 105                         mali_gp_job_set_perf_counter_src1(job, mali_gp_job_get_gp_counter_src1());
 106                 }
 107
 108                 _mali_osk_list_init(&job->list);
 109                 job->session = session;
 110                 job->id = id;
 111                 job->heap_current_addr = job->uargs.frame_registers[4];
 112                 job->perf_counter_value0 = 0;
 113                 job->perf_counter_value1 = 0;
 114                 job->pid = _mali_osk_get_pid();
 115                 job->tid = _mali_osk_get_tid();
 116
 117
 118                 INIT_LIST_HEAD(&job->varying_alloc);
 119                 INIT_LIST_HEAD(&job->vary_todo);
 120                 job->dmem = NULL;
 121
 122                 if (job->uargs.varying_alloc_num > session->allocation_mgr.mali_allocation_num) {
 123                         MALI_PRINT_ERROR(("Mali GP job: The number of  varying buffer to defer bind  is invalid !\n"));
 124                         goto fail1;
 125                 }
 126
 127                 /* add varying allocation list*/
 128                 if (job->uargs.varying_alloc_num > 0) {
 129                         /* copy varying list from user space*/
 130                         job->varying_list = _mali_osk_calloc(1, sizeof(u32) * job->uargs.varying_alloc_num);
 131                         if (!job->varying_list) {
 132                                 MALI_PRINT_ERROR(("Mali GP job: allocate varying_list failed varying_alloc_num = %d !\n", job->uargs.varying_alloc_num));
 133                                 goto fail1;
 134                         }
 135
 136                         memory_list = (u32 __user *)(uintptr_t)uargs->varying_alloc_list;
 137
 138                         if (0 != _mali_osk_copy_from_user(job->varying_list, memory_list, sizeof(u32) * job->uargs.varying_alloc_num)) {
 139                                 MALI_PRINT_ERROR(("Mali GP job: Failed to copy varying list from user space!\n"));
 140                                 goto fail;
 141                         }
 142
 143                         if (unlikely(_mali_gp_add_varying_allocations(session, job, job->varying_list,
 144                                         job->uargs.varying_alloc_num))) {
 145                                 MALI_PRINT_ERROR(("Mali GP job: _mali_gp_add_varying_allocations failed!\n"));
 146                                 goto fail;
 147                         }
 148
 149                         /* do preparetion for each allocation */
 150                         list_for_each_entry_safe(alloc_node, tmp_node, &job->varying_alloc, node) {
 151                                 if (unlikely(_MALI_OSK_ERR_OK != mali_mem_defer_bind_allocation_prepare(alloc_node->alloc, &job->vary_todo, &job->required_varying_memsize))) {
 152                                         MALI_PRINT_ERROR(("Mali GP job: mali_mem_defer_bind_allocation_prepare failed!\n"));
 153                                         goto fail;
 154                                 }
 155                         }
 156
 157                         _mali_gp_del_varying_allocations(job);
 158
 159                         /* bind varying here, to avoid memory latency issue. */
 160                         {
 161                                 struct mali_defer_mem_block dmem_block;
 162
 163                                 INIT_LIST_HEAD(&dmem_block.free_pages);
 164                                 atomic_set(&dmem_block.num_free_pages, 0);
 165
 166                                 if (mali_mem_prepare_mem_for_job(job, &dmem_block)) {
 167                                         MALI_PRINT_ERROR(("Mali GP job: mali_mem_prepare_mem_for_job failed!\n"));
 168                                         goto fail;
 169                                 }
 170                                 if (_MALI_OSK_ERR_OK != mali_mem_defer_bind(job, &dmem_block)) {
 171                                         MALI_PRINT_ERROR(("gp job create, mali_mem_defer_bind failed! GP %x fail!", job));
 172                                         goto fail;
 173                                 }
 174                         }
 175
 176                         if (uargs->varying_memsize > MALI_UK_BIG_VARYING_SIZE) {
 177                                 job->big_job = 1;
 178                         }
 179                 }
 180                 job->pp_tracker = pp_tracker;
 181                 if (NULL != job->pp_tracker) {
 182                         /* Take a reference on PP job's tracker that will be released when the GP
 183                            job is done. */
 184                         mali_timeline_system_tracker_get(session->timeline_system, pp_tracker);
 185                 }
 186
 187                 mali_timeline_tracker_init(&job->tracker, MALI_TIMELINE_TRACKER_GP, NULL, job);
 188                 mali_timeline_fence_copy_uk_fence(&(job->tracker.fence), &(job->uargs.fence));
 189
 190                 return job;
 191         } else {
 192                 MALI_PRINT_ERROR(("Mali GP job: _mali_osk_calloc failed!\n"));
 193                 return NULL;
 194         }
 195
 196
 197 fail:
 198         _mali_osk_free(job->varying_list);
 199         /* Handle allocate fail here, free all varying node */
 200         {
 201                 struct mali_backend_bind_list *bkn, *bkn_tmp;
 202                 list_for_each_entry_safe(bkn, bkn_tmp , &job->vary_todo, node) {
 203                         list_del(&bkn->node);
 204                         _mali_osk_free(bkn);
 205                 }
 206         }
 207 fail1:
 208         _mali_osk_notification_delete(job->oom_notification);
 209 fail2:
 210         _mali_osk_notification_delete(job->finished_notification);
 211 fail3:
 212         _mali_osk_free(job);
 213         return NULL;
 214 }
 215
 216 void mali_gp_job_delete(struct mali_gp_job *job)
 217 {
 218         struct mali_backend_bind_list *bkn, *bkn_tmp;
 219         MALI_DEBUG_ASSERT_POINTER(job);
 220         MALI_DEBUG_ASSERT(NULL == job->pp_tracker);
 221         MALI_DEBUG_ASSERT(_mali_osk_list_empty(&job->list));
 222         _mali_osk_free(job->varying_list);
 223
 224         /* Handle allocate fail here, free all varying node */
 225         list_for_each_entry_safe(bkn, bkn_tmp , &job->vary_todo, node) {
 226                 list_del(&bkn->node);
 227                 _mali_osk_free(bkn);
 228         }
 229
 230         mali_mem_defer_dmem_free(job);
 231
 232         /* de-allocate the pre-allocated oom notifications */
 233         if (NULL != job->oom_notification) {
 234                 _mali_osk_notification_delete(job->oom_notification);
 235                 job->oom_notification = NULL;
 236         }
 237         if (NULL != job->finished_notification) {
 238                 _mali_osk_notification_delete(job->finished_notification);
 239                 job->finished_notification = NULL;
 240         }
 241
 242         _mali_osk_free(job);
 243 }
 244
 245 void mali_gp_job_list_add(struct mali_gp_job *job, _mali_osk_list_t *list)
 246 {
 247         struct mali_gp_job *iter;
 248         struct mali_gp_job *tmp;
 249
 250         MALI_DEBUG_ASSERT_POINTER(job);
 251         MALI_DEBUG_ASSERT_SCHEDULER_LOCK_HELD();
 252
 253         /* Find position in list/queue where job should be added. */
 254         _MALI_OSK_LIST_FOREACHENTRY_REVERSE(iter, tmp, list,
 255                                             struct mali_gp_job, list) {
 256
 257                 /* A span is used to handle job ID wrapping. */
 258                 bool job_is_after = (mali_gp_job_get_id(job) -
 259                                      mali_gp_job_get_id(iter)) <
 260                                     MALI_SCHEDULER_JOB_ID_SPAN;
 261
 262                 if (job_is_after) {
 263                         break;
 264                 }
 265         }
 266
 267         _mali_osk_list_add(&job->list, &iter->list);
 268 }
 269
 270 u32 mali_gp_job_get_gp_counter_src0(void)
 271 {
 272         return gp_counter_src0;
 273 }
 274
 275 void mali_gp_job_set_gp_counter_src0(u32 counter)
 276 {
 277         gp_counter_src0 = counter;
 278 }
 279
 280 u32 mali_gp_job_get_gp_counter_src1(void)
 281 {
 282         return gp_counter_src1;
 283 }
 284
 285 void mali_gp_job_set_gp_counter_src1(u32 counter)
 286 {
 287         gp_counter_src1 = counter;
 288 }
 289
 290 mali_scheduler_mask mali_gp_job_signal_pp_tracker(struct mali_gp_job *job, mali_bool success)
 291 {
 292         mali_scheduler_mask schedule_mask = MALI_SCHEDULER_MASK_EMPTY;
 293
 294         MALI_DEBUG_ASSERT_POINTER(job);
 295
 296         if (NULL != job->pp_tracker) {
 297                 schedule_mask |= mali_timeline_system_tracker_put(job->session->timeline_system, job->pp_tracker, MALI_FALSE == success);
 298                 job->pp_tracker = NULL;
 299         }
 300
 301         return schedule_mask;
 302 }