drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue_v9.c

   1 /*
   2  * Copyright 2016-2018 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23
  24 #include "kfd_kernel_queue.h"
  25 #include "kfd_device_queue_manager.h"
  26 #include "kfd_pm4_headers_ai.h"
  27 #include "kfd_pm4_opcodes.h"
  28
  29 static bool initialize_v9(struct kernel_queue *kq, struct kfd_dev *dev,
  30                         enum kfd_queue_type type, unsigned int queue_size);
  31 static void uninitialize_v9(struct kernel_queue *kq);
  32 static void submit_packet_v9(struct kernel_queue *kq);
  33
  34 void kernel_queue_init_v9(struct kernel_queue_ops *ops)
  35 {
  36         ops->initialize = initialize_v9;
  37         ops->uninitialize = uninitialize_v9;
  38         ops->submit_packet = submit_packet_v9;
  39 }
  40
  41 static bool initialize_v9(struct kernel_queue *kq, struct kfd_dev *dev,
  42                         enum kfd_queue_type type, unsigned int queue_size)
  43 {
  44         int retval;
  45
  46         retval = kfd_gtt_sa_allocate(dev, PAGE_SIZE, &kq->eop_mem);
  47         if (retval)
  48                 return false;
  49
  50         kq->eop_gpu_addr = kq->eop_mem->gpu_addr;
  51         kq->eop_kernel_addr = kq->eop_mem->cpu_ptr;
  52
  53         memset(kq->eop_kernel_addr, 0, PAGE_SIZE);
  54
  55         return true;
  56 }
  57
  58 static void uninitialize_v9(struct kernel_queue *kq)
  59 {
  60         kfd_gtt_sa_free(kq->dev, kq->eop_mem);
  61 }
  62
  63 static void submit_packet_v9(struct kernel_queue *kq)
  64 {
  65         *kq->wptr64_kernel = kq->pending_wptr64;
  66         write_kernel_doorbell64(kq->queue->properties.doorbell_ptr,
  67                                 kq->pending_wptr64);
  68 }
  69
  70 static int pm_map_process_v9(struct packet_manager *pm,
  71                 uint32_t *buffer, struct qcm_process_device *qpd)
  72 {
  73         struct pm4_mes_map_process *packet;
  74         uint64_t vm_page_table_base_addr = qpd->page_table_base;
  75
  76         packet = (struct pm4_mes_map_process *)buffer;
  77         memset(buffer, 0, sizeof(struct pm4_mes_map_process));
  78
  79         packet->header.u32All = pm_build_pm4_header(IT_MAP_PROCESS,
  80                                         sizeof(struct pm4_mes_map_process));
  81         packet->bitfields2.diq_enable = (qpd->is_debug) ? 1 : 0;
  82         packet->bitfields2.process_quantum = 1;
  83         packet->bitfields2.pasid = qpd->pqm->process->pasid;
  84         packet->bitfields14.gds_size = qpd->gds_size;
  85         packet->bitfields14.num_gws = qpd->num_gws;
  86         packet->bitfields14.num_oac = qpd->num_oac;
  87         packet->bitfields14.sdma_enable = 1;
  88         packet->bitfields14.num_queues = (qpd->is_debug) ? 0 : qpd->queue_count;
  89
  90         packet->sh_mem_config = qpd->sh_mem_config;
  91         packet->sh_mem_bases = qpd->sh_mem_bases;
  92         packet->sq_shader_tba_lo = lower_32_bits(qpd->tba_addr >> 8);
  93         packet->sq_shader_tba_hi = upper_32_bits(qpd->tba_addr >> 8);
  94         packet->sq_shader_tma_lo = lower_32_bits(qpd->tma_addr >> 8);
  95         packet->sq_shader_tma_hi = upper_32_bits(qpd->tma_addr >> 8);
  96
  97         packet->gds_addr_lo = lower_32_bits(qpd->gds_context_area);
  98         packet->gds_addr_hi = upper_32_bits(qpd->gds_context_area);
  99
 100         packet->vm_context_page_table_base_addr_lo32 =
 101                         lower_32_bits(vm_page_table_base_addr);
 102         packet->vm_context_page_table_base_addr_hi32 =
 103                         upper_32_bits(vm_page_table_base_addr);
 104
 105         return 0;
 106 }
 107
 108 static int pm_runlist_v9(struct packet_manager *pm, uint32_t *buffer,
 109                         uint64_t ib, size_t ib_size_in_dwords, bool chain)
 110 {
 111         struct pm4_mes_runlist *packet;
 112
 113         int concurrent_proc_cnt = 0;
 114         struct kfd_dev *kfd = pm->dqm->dev;
 115
 116         /* Determine the number of processes to map together to HW:
 117          * it can not exceed the number of VMIDs available to the
 118          * scheduler, and it is determined by the smaller of the number
 119          * of processes in the runlist and kfd module parameter
 120          * hws_max_conc_proc.
 121          * Note: the arbitration between the number of VMIDs and
 122          * hws_max_conc_proc has been done in
 123          * kgd2kfd_device_init().
 124          */
 125         concurrent_proc_cnt = min(pm->dqm->processes_count,
 126                         kfd->max_proc_per_quantum);
 127
 128         packet = (struct pm4_mes_runlist *)buffer;
 129
 130         memset(buffer, 0, sizeof(struct pm4_mes_runlist));
 131         packet->header.u32All = pm_build_pm4_header(IT_RUN_LIST,
 132                                                 sizeof(struct pm4_mes_runlist));
 133
 134         packet->bitfields4.ib_size = ib_size_in_dwords;
 135         packet->bitfields4.chain = chain ? 1 : 0;
 136         packet->bitfields4.offload_polling = 0;
 137         packet->bitfields4.valid = 1;
 138         packet->bitfields4.process_cnt = concurrent_proc_cnt;
 139         packet->ordinal2 = lower_32_bits(ib);
 140         packet->ib_base_hi = upper_32_bits(ib);
 141
 142         return 0;
 143 }
 144
 145 static int pm_map_queues_v9(struct packet_manager *pm, uint32_t *buffer,
 146                 struct queue *q, bool is_static)
 147 {
 148         struct pm4_mes_map_queues *packet;
 149         bool use_static = is_static;
 150
 151         packet = (struct pm4_mes_map_queues *)buffer;
 152         memset(buffer, 0, sizeof(struct pm4_mes_map_queues));
 153
 154         packet->header.u32All = pm_build_pm4_header(IT_MAP_QUEUES,
 155                                         sizeof(struct pm4_mes_map_queues));
 156         packet->bitfields2.alloc_format =
 157                 alloc_format__mes_map_queues__one_per_pipe_vi;
 158         packet->bitfields2.num_queues = 1;
 159         packet->bitfields2.queue_sel =
 160                 queue_sel__mes_map_queues__map_to_hws_determined_queue_slots_vi;
 161
 162         packet->bitfields2.engine_sel =
 163                 engine_sel__mes_map_queues__compute_vi;
 164         packet->bitfields2.queue_type =
 165                 queue_type__mes_map_queues__normal_compute_vi;
 166
 167         switch (q->properties.type) {
 168         case KFD_QUEUE_TYPE_COMPUTE:
 169                 if (use_static)
 170                         packet->bitfields2.queue_type =
 171                 queue_type__mes_map_queues__normal_latency_static_queue_vi;
 172                 break;
 173         case KFD_QUEUE_TYPE_DIQ:
 174                 packet->bitfields2.queue_type =
 175                         queue_type__mes_map_queues__debug_interface_queue_vi;
 176                 break;
 177         case KFD_QUEUE_TYPE_SDMA:
 178                 packet->bitfields2.engine_sel = q->properties.sdma_engine_id +
 179                                 engine_sel__mes_map_queues__sdma0_vi;
 180                 use_static = false; /* no static queues under SDMA */
 181                 break;
 182         default:
 183                 WARN(1, "queue type %d", q->properties.type);
 184                 return -EINVAL;
 185         }
 186         packet->bitfields3.doorbell_offset =
 187                         q->properties.doorbell_off;
 188
 189         packet->mqd_addr_lo =
 190                         lower_32_bits(q->gart_mqd_addr);
 191
 192         packet->mqd_addr_hi =
 193                         upper_32_bits(q->gart_mqd_addr);
 194
 195         packet->wptr_addr_lo =
 196                         lower_32_bits((uint64_t)q->properties.write_ptr);
 197
 198         packet->wptr_addr_hi =
 199                         upper_32_bits((uint64_t)q->properties.write_ptr);
 200
 201         return 0;
 202 }
 203
 204 static int pm_unmap_queues_v9(struct packet_manager *pm, uint32_t *buffer,
 205                         enum kfd_queue_type type,
 206                         enum kfd_unmap_queues_filter filter,
 207                         uint32_t filter_param, bool reset,
 208                         unsigned int sdma_engine)
 209 {
 210         struct pm4_mes_unmap_queues *packet;
 211
 212         packet = (struct pm4_mes_unmap_queues *)buffer;
 213         memset(buffer, 0, sizeof(struct pm4_mes_unmap_queues));
 214
 215         packet->header.u32All = pm_build_pm4_header(IT_UNMAP_QUEUES,
 216                                         sizeof(struct pm4_mes_unmap_queues));
 217         switch (type) {
 218         case KFD_QUEUE_TYPE_COMPUTE:
 219         case KFD_QUEUE_TYPE_DIQ:
 220                 packet->bitfields2.engine_sel =
 221                         engine_sel__mes_unmap_queues__compute;
 222                 break;
 223         case KFD_QUEUE_TYPE_SDMA:
 224                 packet->bitfields2.engine_sel =
 225                         engine_sel__mes_unmap_queues__sdma0 + sdma_engine;
 226                 break;
 227         default:
 228                 WARN(1, "queue type %d", type);
 229                 return -EINVAL;
 230         }
 231
 232         if (reset)
 233                 packet->bitfields2.action =
 234                         action__mes_unmap_queues__reset_queues;
 235         else
 236                 packet->bitfields2.action =
 237                         action__mes_unmap_queues__preempt_queues;
 238
 239         switch (filter) {
 240         case KFD_UNMAP_QUEUES_FILTER_SINGLE_QUEUE:
 241                 packet->bitfields2.queue_sel =
 242                         queue_sel__mes_unmap_queues__perform_request_on_specified_queues;
 243                 packet->bitfields2.num_queues = 1;
 244                 packet->bitfields3b.doorbell_offset0 = filter_param;
 245                 break;
 246         case KFD_UNMAP_QUEUES_FILTER_BY_PASID:
 247                 packet->bitfields2.queue_sel =
 248                         queue_sel__mes_unmap_queues__perform_request_on_pasid_queues;
 249                 packet->bitfields3a.pasid = filter_param;
 250                 break;
 251         case KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES:
 252                 packet->bitfields2.queue_sel =
 253                         queue_sel__mes_unmap_queues__unmap_all_queues;
 254                 break;
 255         case KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES:
 256                 /* in this case, we do not preempt static queues */
 257                 packet->bitfields2.queue_sel =
 258                         queue_sel__mes_unmap_queues__unmap_all_non_static_queues;
 259                 break;
 260         default:
 261                 WARN(1, "filter %d", filter);
 262                 return -EINVAL;
 263         }
 264
 265         return 0;
 266
 267 }
 268
 269 static int pm_query_status_v9(struct packet_manager *pm, uint32_t *buffer,
 270                         uint64_t fence_address, uint32_t fence_value)
 271 {
 272         struct pm4_mes_query_status *packet;
 273
 274         packet = (struct pm4_mes_query_status *)buffer;
 275         memset(buffer, 0, sizeof(struct pm4_mes_query_status));
 276
 277
 278         packet->header.u32All = pm_build_pm4_header(IT_QUERY_STATUS,
 279                                         sizeof(struct pm4_mes_query_status));
 280
 281         packet->bitfields2.context_id = 0;
 282         packet->bitfields2.interrupt_sel =
 283                         interrupt_sel__mes_query_status__completion_status;
 284         packet->bitfields2.command =
 285                         command__mes_query_status__fence_only_after_write_ack;
 286
 287         packet->addr_hi = upper_32_bits((uint64_t)fence_address);
 288         packet->addr_lo = lower_32_bits((uint64_t)fence_address);
 289         packet->data_hi = upper_32_bits((uint64_t)fence_value);
 290         packet->data_lo = lower_32_bits((uint64_t)fence_value);
 291
 292         return 0;
 293 }
 294
 295
 296 static int pm_release_mem_v9(uint64_t gpu_addr, uint32_t *buffer)
 297 {
 298         struct pm4_mec_release_mem *packet;
 299
 300         packet = (struct pm4_mec_release_mem *)buffer;
 301         memset(buffer, 0, sizeof(struct pm4_mec_release_mem));
 302
 303         packet->header.u32All = pm_build_pm4_header(IT_RELEASE_MEM,
 304                                         sizeof(struct pm4_mec_release_mem));
 305
 306         packet->bitfields2.event_type = CACHE_FLUSH_AND_INV_TS_EVENT;
 307         packet->bitfields2.event_index = event_index__mec_release_mem__end_of_pipe;
 308         packet->bitfields2.tcl1_action_ena = 1;
 309         packet->bitfields2.tc_action_ena = 1;
 310         packet->bitfields2.cache_policy = cache_policy__mec_release_mem__lru;
 311
 312         packet->bitfields3.data_sel = data_sel__mec_release_mem__send_32_bit_low;
 313         packet->bitfields3.int_sel =
 314                 int_sel__mec_release_mem__send_interrupt_after_write_confirm;
 315
 316         packet->bitfields4.address_lo_32b = (gpu_addr & 0xffffffff) >> 2;
 317         packet->address_hi = upper_32_bits(gpu_addr);
 318
 319         packet->data_lo = 0;
 320
 321         return 0;
 322 }
 323
 324 const struct packet_manager_funcs kfd_v9_pm_funcs = {
 325         .map_process            = pm_map_process_v9,
 326         .runlist                = pm_runlist_v9,
 327         .set_resources          = pm_set_resources_vi,
 328         .map_queues             = pm_map_queues_v9,
 329         .unmap_queues           = pm_unmap_queues_v9,
 330         .query_status           = pm_query_status_v9,
 331         .release_mem            = pm_release_mem_v9,
 332         .map_process_size       = sizeof(struct pm4_mes_map_process),
 333         .runlist_size           = sizeof(struct pm4_mes_runlist),
 334         .set_resources_size     = sizeof(struct pm4_mes_set_resources),
 335         .map_queues_size        = sizeof(struct pm4_mes_map_queues),
 336         .unmap_queues_size      = sizeof(struct pm4_mes_unmap_queues),
 337         .query_status_size      = sizeof(struct pm4_mes_query_status),
 338         .release_mem_size       = sizeof(struct pm4_mec_release_mem)
 339 };