drivers/gpu/drm/amd/amdgpu/aqua_vanjaram.c

   1 /*
   2  * Copyright 2022 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 #include "amdgpu.h"
  24 #include "soc15.h"
  25
  26 #include "soc15_common.h"
  27 #include "amdgpu_reg_state.h"
  28 #include "amdgpu_xcp.h"
  29 #include "gfx_v9_4_3.h"
  30 #include "gfxhub_v1_2.h"
  31 #include "sdma_v4_4_2.h"
  32
  33 #define XCP_INST_MASK(num_inst, xcp_id)                                        \
  34         (num_inst ? GENMASK(num_inst - 1, 0) << (xcp_id * num_inst) : 0)
  35
  36 #define AMDGPU_XCP_OPS_KFD      (1 << 0)
  37
  38 void aqua_vanjaram_doorbell_index_init(struct amdgpu_device *adev)
  39 {
  40         int i;
  41
  42         adev->doorbell_index.kiq = AMDGPU_DOORBELL_LAYOUT1_KIQ_START;
  43
  44         adev->doorbell_index.mec_ring0 = AMDGPU_DOORBELL_LAYOUT1_MEC_RING_START;
  45
  46         adev->doorbell_index.userqueue_start = AMDGPU_DOORBELL_LAYOUT1_USERQUEUE_START;
  47         adev->doorbell_index.userqueue_end = AMDGPU_DOORBELL_LAYOUT1_USERQUEUE_END;
  48         adev->doorbell_index.xcc_doorbell_range = AMDGPU_DOORBELL_LAYOUT1_XCC_RANGE;
  49
  50         adev->doorbell_index.sdma_doorbell_range = 20;
  51         for (i = 0; i < adev->sdma.num_instances; i++)
  52                 adev->doorbell_index.sdma_engine[i] =
  53                         AMDGPU_DOORBELL_LAYOUT1_sDMA_ENGINE_START +
  54                         i * (adev->doorbell_index.sdma_doorbell_range >> 1);
  55
  56         adev->doorbell_index.ih = AMDGPU_DOORBELL_LAYOUT1_IH;
  57         adev->doorbell_index.vcn.vcn_ring0_1 = AMDGPU_DOORBELL_LAYOUT1_VCN_START;
  58
  59         adev->doorbell_index.first_non_cp = AMDGPU_DOORBELL_LAYOUT1_FIRST_NON_CP;
  60         adev->doorbell_index.last_non_cp = AMDGPU_DOORBELL_LAYOUT1_LAST_NON_CP;
  61
  62         adev->doorbell_index.max_assignment = AMDGPU_DOORBELL_LAYOUT1_MAX_ASSIGNMENT << 1;
  63 }
  64
  65 static bool aqua_vanjaram_xcp_vcn_shared(struct amdgpu_device *adev)
  66 {
  67         return (adev->xcp_mgr->num_xcps > adev->vcn.num_vcn_inst);
  68 }
  69
  70 static void aqua_vanjaram_set_xcp_id(struct amdgpu_device *adev,
  71                              uint32_t inst_idx, struct amdgpu_ring *ring)
  72 {
  73         int xcp_id;
  74         enum AMDGPU_XCP_IP_BLOCK ip_blk;
  75         uint32_t inst_mask;
  76
  77         ring->xcp_id = AMDGPU_XCP_NO_PARTITION;
  78         if (adev->xcp_mgr->mode == AMDGPU_XCP_MODE_NONE)
  79                 return;
  80
  81         inst_mask = 1 << inst_idx;
  82
  83         switch (ring->funcs->type) {
  84         case AMDGPU_HW_IP_GFX:
  85         case AMDGPU_RING_TYPE_COMPUTE:
  86         case AMDGPU_RING_TYPE_KIQ:
  87                 ip_blk = AMDGPU_XCP_GFX;
  88                 break;
  89         case AMDGPU_RING_TYPE_SDMA:
  90                 ip_blk = AMDGPU_XCP_SDMA;
  91                 break;
  92         case AMDGPU_RING_TYPE_VCN_ENC:
  93         case AMDGPU_RING_TYPE_VCN_JPEG:
  94                 ip_blk = AMDGPU_XCP_VCN;
  95                 if (aqua_vanjaram_xcp_vcn_shared(adev))
  96                         inst_mask = 1 << (inst_idx * 2);
  97                 break;
  98         default:
  99                 DRM_ERROR("Not support ring type %d!", ring->funcs->type);
 100                 return;
 101         }
 102
 103         for (xcp_id = 0; xcp_id < adev->xcp_mgr->num_xcps; xcp_id++) {
 104                 if (adev->xcp_mgr->xcp[xcp_id].ip[ip_blk].inst_mask & inst_mask) {
 105                         ring->xcp_id = xcp_id;
 106                         break;
 107                 }
 108         }
 109 }
 110
 111 static void aqua_vanjaram_xcp_gpu_sched_update(
 112                 struct amdgpu_device *adev,
 113                 struct amdgpu_ring *ring,
 114                 unsigned int sel_xcp_id)
 115 {
 116         unsigned int *num_gpu_sched;
 117
 118         num_gpu_sched = &adev->xcp_mgr->xcp[sel_xcp_id]
 119                         .gpu_sched[ring->funcs->type][ring->hw_prio].num_scheds;
 120         adev->xcp_mgr->xcp[sel_xcp_id].gpu_sched[ring->funcs->type][ring->hw_prio]
 121                         .sched[(*num_gpu_sched)++] = &ring->sched;
 122         DRM_DEBUG("%s :[%d] gpu_sched[%d][%d] = %d", ring->name,
 123                         sel_xcp_id, ring->funcs->type,
 124                         ring->hw_prio, *num_gpu_sched);
 125 }
 126
 127 static int aqua_vanjaram_xcp_sched_list_update(
 128                 struct amdgpu_device *adev)
 129 {
 130         struct amdgpu_ring *ring;
 131         int i;
 132
 133         for (i = 0; i < MAX_XCP; i++) {
 134                 atomic_set(&adev->xcp_mgr->xcp[i].ref_cnt, 0);
 135                 memset(adev->xcp_mgr->xcp[i].gpu_sched, 0, sizeof(adev->xcp_mgr->xcp->gpu_sched));
 136         }
 137
 138         if (adev->xcp_mgr->mode == AMDGPU_XCP_MODE_NONE)
 139                 return 0;
 140
 141         for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
 142                 ring = adev->rings[i];
 143                 if (!ring || !ring->sched.ready || ring->no_scheduler)
 144                         continue;
 145
 146                 aqua_vanjaram_xcp_gpu_sched_update(adev, ring, ring->xcp_id);
 147
 148                 /* VCN may be shared by two partitions under CPX MODE in certain
 149                  * configs.
 150                  */
 151                 if ((ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC ||
 152                      ring->funcs->type == AMDGPU_RING_TYPE_VCN_JPEG) &&
 153                     aqua_vanjaram_xcp_vcn_shared(adev))
 154                         aqua_vanjaram_xcp_gpu_sched_update(adev, ring, ring->xcp_id + 1);
 155         }
 156
 157         return 0;
 158 }
 159
 160 static int aqua_vanjaram_update_partition_sched_list(struct amdgpu_device *adev)
 161 {
 162         int i;
 163
 164         for (i = 0; i < adev->num_rings; i++) {
 165                 struct amdgpu_ring *ring = adev->rings[i];
 166
 167                 if (ring->funcs->type == AMDGPU_RING_TYPE_COMPUTE ||
 168                         ring->funcs->type == AMDGPU_RING_TYPE_KIQ)
 169                         aqua_vanjaram_set_xcp_id(adev, ring->xcc_id, ring);
 170                 else
 171                         aqua_vanjaram_set_xcp_id(adev, ring->me, ring);
 172         }
 173
 174         return aqua_vanjaram_xcp_sched_list_update(adev);
 175 }
 176
 177 static int aqua_vanjaram_select_scheds(
 178                 struct amdgpu_device *adev,
 179                 u32 hw_ip,
 180                 u32 hw_prio,
 181                 struct amdgpu_fpriv *fpriv,
 182                 unsigned int *num_scheds,
 183                 struct drm_gpu_scheduler ***scheds)
 184 {
 185         u32 sel_xcp_id;
 186         int i;
 187
 188         if (fpriv->xcp_id == AMDGPU_XCP_NO_PARTITION) {
 189                 u32 least_ref_cnt = ~0;
 190
 191                 fpriv->xcp_id = 0;
 192                 for (i = 0; i < adev->xcp_mgr->num_xcps; i++) {
 193                         u32 total_ref_cnt;
 194
 195                         total_ref_cnt = atomic_read(&adev->xcp_mgr->xcp[i].ref_cnt);
 196                         if (total_ref_cnt < least_ref_cnt) {
 197                                 fpriv->xcp_id = i;
 198                                 least_ref_cnt = total_ref_cnt;
 199                         }
 200                 }
 201         }
 202         sel_xcp_id = fpriv->xcp_id;
 203
 204         if (adev->xcp_mgr->xcp[sel_xcp_id].gpu_sched[hw_ip][hw_prio].num_scheds) {
 205                 *num_scheds = adev->xcp_mgr->xcp[fpriv->xcp_id].gpu_sched[hw_ip][hw_prio].num_scheds;
 206                 *scheds = adev->xcp_mgr->xcp[fpriv->xcp_id].gpu_sched[hw_ip][hw_prio].sched;
 207                 atomic_inc(&adev->xcp_mgr->xcp[sel_xcp_id].ref_cnt);
 208                 DRM_DEBUG("Selected partition #%d", sel_xcp_id);
 209         } else {
 210                 DRM_ERROR("Failed to schedule partition #%d.", sel_xcp_id);
 211                 return -ENOENT;
 212         }
 213
 214         return 0;
 215 }
 216
 217 static int8_t aqua_vanjaram_logical_to_dev_inst(struct amdgpu_device *adev,
 218                                          enum amd_hw_ip_block_type block,
 219                                          int8_t inst)
 220 {
 221         int8_t dev_inst;
 222
 223         switch (block) {
 224         case GC_HWIP:
 225         case SDMA0_HWIP:
 226         /* Both JPEG and VCN as JPEG is only alias of VCN */
 227         case VCN_HWIP:
 228                 dev_inst = adev->ip_map.dev_inst[block][inst];
 229                 break;
 230         default:
 231                 /* For rest of the IPs, no look up required.
 232                  * Assume 'logical instance == physical instance' for all configs. */
 233                 dev_inst = inst;
 234                 break;
 235         }
 236
 237         return dev_inst;
 238 }
 239
 240 static uint32_t aqua_vanjaram_logical_to_dev_mask(struct amdgpu_device *adev,
 241                                          enum amd_hw_ip_block_type block,
 242                                          uint32_t mask)
 243 {
 244         uint32_t dev_mask = 0;
 245         int8_t log_inst, dev_inst;
 246
 247         while (mask) {
 248                 log_inst = ffs(mask) - 1;
 249                 dev_inst = aqua_vanjaram_logical_to_dev_inst(adev, block, log_inst);
 250                 dev_mask |= (1 << dev_inst);
 251                 mask &= ~(1 << log_inst);
 252         }
 253
 254         return dev_mask;
 255 }
 256
 257 static void aqua_vanjaram_populate_ip_map(struct amdgpu_device *adev,
 258                                           enum amd_hw_ip_block_type ip_block,
 259                                           uint32_t inst_mask)
 260 {
 261         int l = 0, i;
 262
 263         while (inst_mask) {
 264                 i = ffs(inst_mask) - 1;
 265                 adev->ip_map.dev_inst[ip_block][l++] = i;
 266                 inst_mask &= ~(1 << i);
 267         }
 268         for (; l < HWIP_MAX_INSTANCE; l++)
 269                 adev->ip_map.dev_inst[ip_block][l] = -1;
 270 }
 271
 272 void aqua_vanjaram_ip_map_init(struct amdgpu_device *adev)
 273 {
 274         u32 ip_map[][2] = {
 275                 { GC_HWIP, adev->gfx.xcc_mask },
 276                 { SDMA0_HWIP, adev->sdma.sdma_mask },
 277                 { VCN_HWIP, adev->vcn.inst_mask },
 278         };
 279         int i;
 280
 281         for (i = 0; i < ARRAY_SIZE(ip_map); ++i)
 282                 aqua_vanjaram_populate_ip_map(adev, ip_map[i][0], ip_map[i][1]);
 283
 284         adev->ip_map.logical_to_dev_inst = aqua_vanjaram_logical_to_dev_inst;
 285         adev->ip_map.logical_to_dev_mask = aqua_vanjaram_logical_to_dev_mask;
 286 }
 287
 288 /* Fixed pattern for smn addressing on different AIDs:
 289  *   bit[34]: indicate cross AID access
 290  *   bit[33:32]: indicate target AID id
 291  * AID id range is 0 ~ 3 as maximum AID number is 4.
 292  */
 293 u64 aqua_vanjaram_encode_ext_smn_addressing(int ext_id)
 294 {
 295         u64 ext_offset;
 296
 297         /* local routing and bit[34:32] will be zeros */
 298         if (ext_id == 0)
 299                 return 0;
 300
 301         /* Initiated from host, accessing to all non-zero aids are cross traffic */
 302         ext_offset = ((u64)(ext_id & 0x3) << 32) | (1ULL << 34);
 303
 304         return ext_offset;
 305 }
 306
 307 static int aqua_vanjaram_query_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr)
 308 {
 309         enum amdgpu_gfx_partition mode = AMDGPU_UNKNOWN_COMPUTE_PARTITION_MODE;
 310         struct amdgpu_device *adev = xcp_mgr->adev;
 311
 312         if (adev->nbio.funcs->get_compute_partition_mode)
 313                 mode = adev->nbio.funcs->get_compute_partition_mode(adev);
 314
 315         return mode;
 316 }
 317
 318 static int __aqua_vanjaram_get_xcc_per_xcp(struct amdgpu_xcp_mgr *xcp_mgr, int mode)
 319 {
 320         int num_xcc, num_xcc_per_xcp = 0;
 321
 322         num_xcc = NUM_XCC(xcp_mgr->adev->gfx.xcc_mask);
 323
 324         switch (mode) {
 325         case AMDGPU_SPX_PARTITION_MODE:
 326                 num_xcc_per_xcp = num_xcc;
 327                 break;
 328         case AMDGPU_DPX_PARTITION_MODE:
 329                 num_xcc_per_xcp = num_xcc / 2;
 330                 break;
 331         case AMDGPU_TPX_PARTITION_MODE:
 332                 num_xcc_per_xcp = num_xcc / 3;
 333                 break;
 334         case AMDGPU_QPX_PARTITION_MODE:
 335                 num_xcc_per_xcp = num_xcc / 4;
 336                 break;
 337         case AMDGPU_CPX_PARTITION_MODE:
 338                 num_xcc_per_xcp = 1;
 339                 break;
 340         }
 341
 342         return num_xcc_per_xcp;
 343 }
 344
 345 static int __aqua_vanjaram_get_xcp_ip_info(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id,
 346                                     enum AMDGPU_XCP_IP_BLOCK ip_id,
 347                                     struct amdgpu_xcp_ip *ip)
 348 {
 349         struct amdgpu_device *adev = xcp_mgr->adev;
 350         int num_xcc_xcp, num_sdma_xcp, num_vcn_xcp;
 351         int num_sdma, num_vcn;
 352
 353         num_sdma = adev->sdma.num_instances;
 354         num_vcn = adev->vcn.num_vcn_inst;
 355
 356         switch (xcp_mgr->mode) {
 357         case AMDGPU_SPX_PARTITION_MODE:
 358                 num_sdma_xcp = num_sdma;
 359                 num_vcn_xcp = num_vcn;
 360                 break;
 361         case AMDGPU_DPX_PARTITION_MODE:
 362                 num_sdma_xcp = num_sdma / 2;
 363                 num_vcn_xcp = num_vcn / 2;
 364                 break;
 365         case AMDGPU_TPX_PARTITION_MODE:
 366                 num_sdma_xcp = num_sdma / 3;
 367                 num_vcn_xcp = num_vcn / 3;
 368                 break;
 369         case AMDGPU_QPX_PARTITION_MODE:
 370                 num_sdma_xcp = num_sdma / 4;
 371                 num_vcn_xcp = num_vcn / 4;
 372                 break;
 373         case AMDGPU_CPX_PARTITION_MODE:
 374                 num_sdma_xcp = 2;
 375                 num_vcn_xcp = num_vcn ? 1 : 0;
 376                 break;
 377         default:
 378                 return -EINVAL;
 379         }
 380
 381         num_xcc_xcp = adev->gfx.num_xcc_per_xcp;
 382
 383         switch (ip_id) {
 384         case AMDGPU_XCP_GFXHUB:
 385                 ip->inst_mask = XCP_INST_MASK(num_xcc_xcp, xcp_id);
 386                 ip->ip_funcs = &gfxhub_v1_2_xcp_funcs;
 387                 break;
 388         case AMDGPU_XCP_GFX:
 389                 ip->inst_mask = XCP_INST_MASK(num_xcc_xcp, xcp_id);
 390                 ip->ip_funcs = &gfx_v9_4_3_xcp_funcs;
 391                 break;
 392         case AMDGPU_XCP_SDMA:
 393                 ip->inst_mask = XCP_INST_MASK(num_sdma_xcp, xcp_id);
 394                 ip->ip_funcs = &sdma_v4_4_2_xcp_funcs;
 395                 break;
 396         case AMDGPU_XCP_VCN:
 397                 ip->inst_mask = XCP_INST_MASK(num_vcn_xcp, xcp_id);
 398                 /* TODO : Assign IP funcs */
 399                 break;
 400         default:
 401                 return -EINVAL;
 402         }
 403
 404         ip->ip_id = ip_id;
 405
 406         return 0;
 407 }
 408
 409 static enum amdgpu_gfx_partition
 410 __aqua_vanjaram_get_auto_mode(struct amdgpu_xcp_mgr *xcp_mgr)
 411 {
 412         struct amdgpu_device *adev = xcp_mgr->adev;
 413         int num_xcc;
 414
 415         num_xcc = NUM_XCC(xcp_mgr->adev->gfx.xcc_mask);
 416
 417         if (adev->gmc.num_mem_partitions == 1)
 418                 return AMDGPU_SPX_PARTITION_MODE;
 419
 420         if (adev->gmc.num_mem_partitions == num_xcc)
 421                 return AMDGPU_CPX_PARTITION_MODE;
 422
 423         if (adev->gmc.num_mem_partitions == num_xcc / 2)
 424                 return (adev->flags & AMD_IS_APU) ? AMDGPU_TPX_PARTITION_MODE :
 425                                                     AMDGPU_QPX_PARTITION_MODE;
 426
 427         if (adev->gmc.num_mem_partitions == 2 && !(adev->flags & AMD_IS_APU))
 428                 return AMDGPU_DPX_PARTITION_MODE;
 429
 430         return AMDGPU_UNKNOWN_COMPUTE_PARTITION_MODE;
 431 }
 432
 433 static bool __aqua_vanjaram_is_valid_mode(struct amdgpu_xcp_mgr *xcp_mgr,
 434                                           enum amdgpu_gfx_partition mode)
 435 {
 436         struct amdgpu_device *adev = xcp_mgr->adev;
 437         int num_xcc, num_xccs_per_xcp;
 438
 439         num_xcc = NUM_XCC(adev->gfx.xcc_mask);
 440         switch (mode) {
 441         case AMDGPU_SPX_PARTITION_MODE:
 442                 return adev->gmc.num_mem_partitions == 1 && num_xcc > 0;
 443         case AMDGPU_DPX_PARTITION_MODE:
 444                 return adev->gmc.num_mem_partitions != 8 && (num_xcc % 4) == 0;
 445         case AMDGPU_TPX_PARTITION_MODE:
 446                 return (adev->gmc.num_mem_partitions == 1 ||
 447                         adev->gmc.num_mem_partitions == 3) &&
 448                        ((num_xcc % 3) == 0);
 449         case AMDGPU_QPX_PARTITION_MODE:
 450                 num_xccs_per_xcp = num_xcc / 4;
 451                 return (adev->gmc.num_mem_partitions == 1 ||
 452                         adev->gmc.num_mem_partitions == 4) &&
 453                        (num_xccs_per_xcp >= 2);
 454         case AMDGPU_CPX_PARTITION_MODE:
 455                 return ((num_xcc > 1) &&
 456                        (adev->gmc.num_mem_partitions == 1 || adev->gmc.num_mem_partitions == 4) &&
 457                        (num_xcc % adev->gmc.num_mem_partitions) == 0);
 458         default:
 459                 return false;
 460         }
 461
 462         return false;
 463 }
 464
 465 static int __aqua_vanjaram_pre_partition_switch(struct amdgpu_xcp_mgr *xcp_mgr, u32 flags)
 466 {
 467         /* TODO:
 468          * Stop user queues and threads, and make sure GPU is empty of work.
 469          */
 470
 471         if (flags & AMDGPU_XCP_OPS_KFD)
 472                 amdgpu_amdkfd_device_fini_sw(xcp_mgr->adev);
 473
 474         return 0;
 475 }
 476
 477 static int __aqua_vanjaram_post_partition_switch(struct amdgpu_xcp_mgr *xcp_mgr, u32 flags)
 478 {
 479         int ret = 0;
 480
 481         if (flags & AMDGPU_XCP_OPS_KFD) {
 482                 amdgpu_amdkfd_device_probe(xcp_mgr->adev);
 483                 amdgpu_amdkfd_device_init(xcp_mgr->adev);
 484                 /* If KFD init failed, return failure */
 485                 if (!xcp_mgr->adev->kfd.init_complete)
 486                         ret = -EIO;
 487         }
 488
 489         return ret;
 490 }
 491
 492 static int aqua_vanjaram_switch_partition_mode(struct amdgpu_xcp_mgr *xcp_mgr,
 493                                                int mode, int *num_xcps)
 494 {
 495         int num_xcc_per_xcp, num_xcc, ret;
 496         struct amdgpu_device *adev;
 497         u32 flags = 0;
 498
 499         adev = xcp_mgr->adev;
 500         num_xcc = NUM_XCC(adev->gfx.xcc_mask);
 501
 502         if (mode == AMDGPU_AUTO_COMPUTE_PARTITION_MODE) {
 503                 mode = __aqua_vanjaram_get_auto_mode(xcp_mgr);
 504         } else if (!__aqua_vanjaram_is_valid_mode(xcp_mgr, mode)) {
 505                 dev_err(adev->dev,
 506                         "Invalid compute partition mode requested, requested: %s, available memory partitions: %d",
 507                         amdgpu_gfx_compute_mode_desc(mode), adev->gmc.num_mem_partitions);
 508                 return -EINVAL;
 509         }
 510
 511         if (adev->kfd.init_complete && !amdgpu_in_reset(adev))
 512                 flags |= AMDGPU_XCP_OPS_KFD;
 513
 514         if (flags & AMDGPU_XCP_OPS_KFD) {
 515                 ret = amdgpu_amdkfd_check_and_lock_kfd(adev);
 516                 if (ret)
 517                         goto out;
 518         }
 519
 520         ret = __aqua_vanjaram_pre_partition_switch(xcp_mgr, flags);
 521         if (ret)
 522                 goto unlock;
 523
 524         num_xcc_per_xcp = __aqua_vanjaram_get_xcc_per_xcp(xcp_mgr, mode);
 525         if (adev->gfx.funcs->switch_partition_mode)
 526                 adev->gfx.funcs->switch_partition_mode(xcp_mgr->adev,
 527                                                        num_xcc_per_xcp);
 528
 529         /* Init info about new xcps */
 530         *num_xcps = num_xcc / num_xcc_per_xcp;
 531         amdgpu_xcp_init(xcp_mgr, *num_xcps, mode);
 532
 533         ret = __aqua_vanjaram_post_partition_switch(xcp_mgr, flags);
 534 unlock:
 535         if (flags & AMDGPU_XCP_OPS_KFD)
 536                 amdgpu_amdkfd_unlock_kfd(adev);
 537 out:
 538         return ret;
 539 }
 540
 541 static int __aqua_vanjaram_get_xcp_mem_id(struct amdgpu_device *adev,
 542                                           int xcc_id, uint8_t *mem_id)
 543 {
 544         /* memory/spatial modes validation check is already done */
 545         *mem_id = xcc_id / adev->gfx.num_xcc_per_xcp;
 546         *mem_id /= adev->xcp_mgr->num_xcp_per_mem_partition;
 547
 548         return 0;
 549 }
 550
 551 static int aqua_vanjaram_get_xcp_mem_id(struct amdgpu_xcp_mgr *xcp_mgr,
 552                                         struct amdgpu_xcp *xcp, uint8_t *mem_id)
 553 {
 554         struct amdgpu_numa_info numa_info;
 555         struct amdgpu_device *adev;
 556         uint32_t xcc_mask;
 557         int r, i, xcc_id;
 558
 559         adev = xcp_mgr->adev;
 560         /* TODO: BIOS is not returning the right info now
 561          * Check on this later
 562          */
 563         /*
 564         if (adev->gmc.gmc_funcs->query_mem_partition_mode)
 565                 mode = adev->gmc.gmc_funcs->query_mem_partition_mode(adev);
 566         */
 567         if (adev->gmc.num_mem_partitions == 1) {
 568                 /* Only one range */
 569                 *mem_id = 0;
 570                 return 0;
 571         }
 572
 573         r = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_GFX, &xcc_mask);
 574         if (r || !xcc_mask)
 575                 return -EINVAL;
 576
 577         xcc_id = ffs(xcc_mask) - 1;
 578         if (!adev->gmc.is_app_apu)
 579                 return __aqua_vanjaram_get_xcp_mem_id(adev, xcc_id, mem_id);
 580
 581         r = amdgpu_acpi_get_mem_info(adev, xcc_id, &numa_info);
 582
 583         if (r)
 584                 return r;
 585
 586         r = -EINVAL;
 587         for (i = 0; i < adev->gmc.num_mem_partitions; ++i) {
 588                 if (adev->gmc.mem_partitions[i].numa.node == numa_info.nid) {
 589                         *mem_id = i;
 590                         r = 0;
 591                         break;
 592                 }
 593         }
 594
 595         return r;
 596 }
 597
 598 static int aqua_vanjaram_get_xcp_ip_details(struct amdgpu_xcp_mgr *xcp_mgr, int xcp_id,
 599                                      enum AMDGPU_XCP_IP_BLOCK ip_id,
 600                                      struct amdgpu_xcp_ip *ip)
 601 {
 602         if (!ip)
 603                 return -EINVAL;
 604
 605         return __aqua_vanjaram_get_xcp_ip_info(xcp_mgr, xcp_id, ip_id, ip);
 606 }
 607
 608 struct amdgpu_xcp_mgr_funcs aqua_vanjaram_xcp_funcs = {
 609         .switch_partition_mode = &aqua_vanjaram_switch_partition_mode,
 610         .query_partition_mode = &aqua_vanjaram_query_partition_mode,
 611         .get_ip_details = &aqua_vanjaram_get_xcp_ip_details,
 612         .get_xcp_mem_id = &aqua_vanjaram_get_xcp_mem_id,
 613         .select_scheds = &aqua_vanjaram_select_scheds,
 614         .update_partition_sched_list = &aqua_vanjaram_update_partition_sched_list
 615 };
 616
 617 static int aqua_vanjaram_xcp_mgr_init(struct amdgpu_device *adev)
 618 {
 619         int ret;
 620
 621         ret = amdgpu_xcp_mgr_init(adev, AMDGPU_UNKNOWN_COMPUTE_PARTITION_MODE, 1,
 622                                   &aqua_vanjaram_xcp_funcs);
 623         if (ret)
 624                 return ret;
 625
 626         /* TODO: Default memory node affinity init */
 627
 628         return ret;
 629 }
 630
 631 int aqua_vanjaram_init_soc_config(struct amdgpu_device *adev)
 632 {
 633         u32 mask, avail_inst, inst_mask = adev->sdma.sdma_mask;
 634         int ret, i;
 635
 636         /* generally 1 AID supports 4 instances */
 637         adev->sdma.num_inst_per_aid = 4;
 638         adev->sdma.num_instances = NUM_SDMA(adev->sdma.sdma_mask);
 639
 640         adev->aid_mask = i = 1;
 641         inst_mask >>= adev->sdma.num_inst_per_aid;
 642
 643         for (mask = (1 << adev->sdma.num_inst_per_aid) - 1; inst_mask;
 644              inst_mask >>= adev->sdma.num_inst_per_aid, ++i) {
 645                 avail_inst = inst_mask & mask;
 646                 if (avail_inst == mask || avail_inst == 0x3 ||
 647                     avail_inst == 0xc)
 648                         adev->aid_mask |= (1 << i);
 649         }
 650
 651         /* Harvest config is not used for aqua vanjaram. VCN and JPEGs will be
 652          * addressed based on logical instance ids.
 653          */
 654         adev->vcn.harvest_config = 0;
 655         adev->vcn.num_inst_per_aid = 1;
 656         adev->vcn.num_vcn_inst = hweight32(adev->vcn.inst_mask);
 657         adev->jpeg.harvest_config = 0;
 658         adev->jpeg.num_inst_per_aid = 1;
 659         adev->jpeg.num_jpeg_inst = hweight32(adev->jpeg.inst_mask);
 660
 661         ret = aqua_vanjaram_xcp_mgr_init(adev);
 662         if (ret)
 663                 return ret;
 664
 665         aqua_vanjaram_ip_map_init(adev);
 666
 667         return 0;
 668 }
 669
 670 static void aqua_read_smn(struct amdgpu_device *adev,
 671                           struct amdgpu_smn_reg_data *regdata,
 672                           uint64_t smn_addr)
 673 {
 674         regdata->addr = smn_addr;
 675         regdata->value = RREG32_PCIE(smn_addr);
 676 }
 677
 678 struct aqua_reg_list {
 679         uint64_t start_addr;
 680         uint32_t num_regs;
 681         uint32_t incrx;
 682 };
 683
 684 #define DW_ADDR_INCR    4
 685
 686 static void aqua_read_smn_ext(struct amdgpu_device *adev,
 687                               struct amdgpu_smn_reg_data *regdata,
 688                               uint64_t smn_addr, int i)
 689 {
 690         regdata->addr =
 691                 smn_addr + adev->asic_funcs->encode_ext_smn_addressing(i);
 692         regdata->value = RREG32_PCIE_EXT(regdata->addr);
 693 }
 694
 695 #define smnreg_0x1A340218       0x1A340218
 696 #define smnreg_0x1A3402E4       0x1A3402E4
 697 #define smnreg_0x1A340294       0x1A340294
 698 #define smreg_0x1A380088        0x1A380088
 699
 700 #define NUM_PCIE_SMN_REGS       14
 701
 702 static struct aqua_reg_list pcie_reg_addrs[] = {
 703         { smnreg_0x1A340218, 1, 0 },
 704         { smnreg_0x1A3402E4, 1, 0 },
 705         { smnreg_0x1A340294, 6, DW_ADDR_INCR },
 706         { smreg_0x1A380088, 6, DW_ADDR_INCR },
 707 };
 708
 709 static ssize_t aqua_vanjaram_read_pcie_state(struct amdgpu_device *adev,
 710                                              void *buf, size_t max_size)
 711 {
 712         struct amdgpu_reg_state_pcie_v1_0 *pcie_reg_state;
 713         uint32_t start_addr, incrx, num_regs, szbuf;
 714         struct amdgpu_regs_pcie_v1_0 *pcie_regs;
 715         struct amdgpu_smn_reg_data *reg_data;
 716         struct pci_dev *us_pdev, *ds_pdev;
 717         int aer_cap, r, n;
 718
 719         if (!buf || !max_size)
 720                 return -EINVAL;
 721
 722         pcie_reg_state = (struct amdgpu_reg_state_pcie_v1_0 *)buf;
 723
 724         szbuf = sizeof(*pcie_reg_state) +
 725                 amdgpu_reginst_size(1, sizeof(*pcie_regs), NUM_PCIE_SMN_REGS);
 726         /* Only one instance of pcie regs */
 727         if (max_size < szbuf)
 728                 return -EOVERFLOW;
 729
 730         pcie_regs = (struct amdgpu_regs_pcie_v1_0 *)((uint8_t *)buf +
 731                                                      sizeof(*pcie_reg_state));
 732         pcie_regs->inst_header.instance = 0;
 733         pcie_regs->inst_header.state = AMDGPU_INST_S_OK;
 734         pcie_regs->inst_header.num_smn_regs = NUM_PCIE_SMN_REGS;
 735
 736         reg_data = pcie_regs->smn_reg_values;
 737
 738         for (r = 0; r < ARRAY_SIZE(pcie_reg_addrs); r++) {
 739                 start_addr = pcie_reg_addrs[r].start_addr;
 740                 incrx = pcie_reg_addrs[r].incrx;
 741                 num_regs = pcie_reg_addrs[r].num_regs;
 742                 for (n = 0; n < num_regs; n++) {
 743                         aqua_read_smn(adev, reg_data, start_addr + n * incrx);
 744                         ++reg_data;
 745                 }
 746         }
 747
 748         ds_pdev = pci_upstream_bridge(adev->pdev);
 749         us_pdev = pci_upstream_bridge(ds_pdev);
 750
 751         pcie_capability_read_word(us_pdev, PCI_EXP_DEVSTA,
 752                                   &pcie_regs->device_status);
 753         pcie_capability_read_word(us_pdev, PCI_EXP_LNKSTA,
 754                                   &pcie_regs->link_status);
 755
 756         aer_cap = pci_find_ext_capability(us_pdev, PCI_EXT_CAP_ID_ERR);
 757         if (aer_cap) {
 758                 pci_read_config_dword(us_pdev, aer_cap + PCI_ERR_COR_STATUS,
 759                                       &pcie_regs->pcie_corr_err_status);
 760                 pci_read_config_dword(us_pdev, aer_cap + PCI_ERR_UNCOR_STATUS,
 761                                       &pcie_regs->pcie_uncorr_err_status);
 762         }
 763
 764         pci_read_config_dword(us_pdev, PCI_PRIMARY_BUS,
 765                               &pcie_regs->sub_bus_number_latency);
 766
 767         pcie_reg_state->common_header.structure_size = szbuf;
 768         pcie_reg_state->common_header.format_revision = 1;
 769         pcie_reg_state->common_header.content_revision = 0;
 770         pcie_reg_state->common_header.state_type = AMDGPU_REG_STATE_TYPE_PCIE;
 771         pcie_reg_state->common_header.num_instances = 1;
 772
 773         return pcie_reg_state->common_header.structure_size;
 774 }
 775
 776 #define smnreg_0x11A00050       0x11A00050
 777 #define smnreg_0x11A00180       0x11A00180
 778 #define smnreg_0x11A00070       0x11A00070
 779 #define smnreg_0x11A00200       0x11A00200
 780 #define smnreg_0x11A0020C       0x11A0020C
 781 #define smnreg_0x11A00210       0x11A00210
 782 #define smnreg_0x11A00108       0x11A00108
 783
 784 #define XGMI_LINK_REG(smnreg, l) ((smnreg) | (l << 20))
 785
 786 #define NUM_XGMI_SMN_REGS 25
 787
 788 static struct aqua_reg_list xgmi_reg_addrs[] = {
 789         { smnreg_0x11A00050, 1, 0 },
 790         { smnreg_0x11A00180, 16, DW_ADDR_INCR },
 791         { smnreg_0x11A00070, 4, DW_ADDR_INCR },
 792         { smnreg_0x11A00200, 1, 0 },
 793         { smnreg_0x11A0020C, 1, 0 },
 794         { smnreg_0x11A00210, 1, 0 },
 795         { smnreg_0x11A00108, 1, 0 },
 796 };
 797
 798 static ssize_t aqua_vanjaram_read_xgmi_state(struct amdgpu_device *adev,
 799                                              void *buf, size_t max_size)
 800 {
 801         struct amdgpu_reg_state_xgmi_v1_0 *xgmi_reg_state;
 802         uint32_t start_addr, incrx, num_regs, szbuf;
 803         struct amdgpu_regs_xgmi_v1_0 *xgmi_regs;
 804         struct amdgpu_smn_reg_data *reg_data;
 805         const int max_xgmi_instances = 8;
 806         int inst = 0, i, j, r, n;
 807         const int xgmi_inst = 2;
 808         void *p;
 809
 810         if (!buf || !max_size)
 811                 return -EINVAL;
 812
 813         xgmi_reg_state = (struct amdgpu_reg_state_xgmi_v1_0 *)buf;
 814
 815         szbuf = sizeof(*xgmi_reg_state) +
 816                 amdgpu_reginst_size(max_xgmi_instances, sizeof(*xgmi_regs),
 817                                     NUM_XGMI_SMN_REGS);
 818         /* Only one instance of pcie regs */
 819         if (max_size < szbuf)
 820                 return -EOVERFLOW;
 821
 822         p = &xgmi_reg_state->xgmi_state_regs[0];
 823         for_each_inst(i, adev->aid_mask) {
 824                 for (j = 0; j < xgmi_inst; ++j) {
 825                         xgmi_regs = (struct amdgpu_regs_xgmi_v1_0 *)p;
 826                         xgmi_regs->inst_header.instance = inst++;
 827
 828                         xgmi_regs->inst_header.state = AMDGPU_INST_S_OK;
 829                         xgmi_regs->inst_header.num_smn_regs = NUM_XGMI_SMN_REGS;
 830
 831                         reg_data = xgmi_regs->smn_reg_values;
 832
 833                         for (r = 0; r < ARRAY_SIZE(xgmi_reg_addrs); r++) {
 834                                 start_addr = xgmi_reg_addrs[r].start_addr;
 835                                 incrx = xgmi_reg_addrs[r].incrx;
 836                                 num_regs = xgmi_reg_addrs[r].num_regs;
 837
 838                                 for (n = 0; n < num_regs; n++) {
 839                                         aqua_read_smn_ext(
 840                                                 adev, reg_data,
 841                                                 XGMI_LINK_REG(start_addr, j) +
 842                                                         n * incrx,
 843                                                 i);
 844                                         ++reg_data;
 845                                 }
 846                         }
 847                         p = reg_data;
 848                 }
 849         }
 850
 851         xgmi_reg_state->common_header.structure_size = szbuf;
 852         xgmi_reg_state->common_header.format_revision = 1;
 853         xgmi_reg_state->common_header.content_revision = 0;
 854         xgmi_reg_state->common_header.state_type = AMDGPU_REG_STATE_TYPE_XGMI;
 855         xgmi_reg_state->common_header.num_instances = max_xgmi_instances;
 856
 857         return xgmi_reg_state->common_header.structure_size;
 858 }
 859
 860 #define smnreg_0x11C00070       0x11C00070
 861 #define smnreg_0x11C00210       0x11C00210
 862
 863 static struct aqua_reg_list wafl_reg_addrs[] = {
 864         { smnreg_0x11C00070, 4, DW_ADDR_INCR },
 865         { smnreg_0x11C00210, 1, 0 },
 866 };
 867
 868 #define WAFL_LINK_REG(smnreg, l) ((smnreg) | (l << 20))
 869
 870 #define NUM_WAFL_SMN_REGS 5
 871
 872 static ssize_t aqua_vanjaram_read_wafl_state(struct amdgpu_device *adev,
 873                                              void *buf, size_t max_size)
 874 {
 875         struct amdgpu_reg_state_wafl_v1_0 *wafl_reg_state;
 876         uint32_t start_addr, incrx, num_regs, szbuf;
 877         struct amdgpu_regs_wafl_v1_0 *wafl_regs;
 878         struct amdgpu_smn_reg_data *reg_data;
 879         const int max_wafl_instances = 8;
 880         int inst = 0, i, j, r, n;
 881         const int wafl_inst = 2;
 882         void *p;
 883
 884         if (!buf || !max_size)
 885                 return -EINVAL;
 886
 887         wafl_reg_state = (struct amdgpu_reg_state_wafl_v1_0 *)buf;
 888
 889         szbuf = sizeof(*wafl_reg_state) +
 890                 amdgpu_reginst_size(max_wafl_instances, sizeof(*wafl_regs),
 891                                     NUM_WAFL_SMN_REGS);
 892
 893         if (max_size < szbuf)
 894                 return -EOVERFLOW;
 895
 896         p = &wafl_reg_state->wafl_state_regs[0];
 897         for_each_inst(i, adev->aid_mask) {
 898                 for (j = 0; j < wafl_inst; ++j) {
 899                         wafl_regs = (struct amdgpu_regs_wafl_v1_0 *)p;
 900                         wafl_regs->inst_header.instance = inst++;
 901
 902                         wafl_regs->inst_header.state = AMDGPU_INST_S_OK;
 903                         wafl_regs->inst_header.num_smn_regs = NUM_WAFL_SMN_REGS;
 904
 905                         reg_data = wafl_regs->smn_reg_values;
 906
 907                         for (r = 0; r < ARRAY_SIZE(wafl_reg_addrs); r++) {
 908                                 start_addr = wafl_reg_addrs[r].start_addr;
 909                                 incrx = wafl_reg_addrs[r].incrx;
 910                                 num_regs = wafl_reg_addrs[r].num_regs;
 911                                 for (n = 0; n < num_regs; n++) {
 912                                         aqua_read_smn_ext(
 913                                                 adev, reg_data,
 914                                                 WAFL_LINK_REG(start_addr, j) +
 915                                                         n * incrx,
 916                                                 i);
 917                                         ++reg_data;
 918                                 }
 919                         }
 920                         p = reg_data;
 921                 }
 922         }
 923
 924         wafl_reg_state->common_header.structure_size = szbuf;
 925         wafl_reg_state->common_header.format_revision = 1;
 926         wafl_reg_state->common_header.content_revision = 0;
 927         wafl_reg_state->common_header.state_type = AMDGPU_REG_STATE_TYPE_WAFL;
 928         wafl_reg_state->common_header.num_instances = max_wafl_instances;
 929
 930         return wafl_reg_state->common_header.structure_size;
 931 }
 932
 933 #define smnreg_0x1B311060 0x1B311060
 934 #define smnreg_0x1B411060 0x1B411060
 935 #define smnreg_0x1B511060 0x1B511060
 936 #define smnreg_0x1B611060 0x1B611060
 937
 938 #define smnreg_0x1C307120 0x1C307120
 939 #define smnreg_0x1C317120 0x1C317120
 940
 941 #define smnreg_0x1C320830 0x1C320830
 942 #define smnreg_0x1C380830 0x1C380830
 943 #define smnreg_0x1C3D0830 0x1C3D0830
 944 #define smnreg_0x1C420830 0x1C420830
 945
 946 #define smnreg_0x1C320100 0x1C320100
 947 #define smnreg_0x1C380100 0x1C380100
 948 #define smnreg_0x1C3D0100 0x1C3D0100
 949 #define smnreg_0x1C420100 0x1C420100
 950
 951 #define smnreg_0x1B310500 0x1B310500
 952 #define smnreg_0x1C300400 0x1C300400
 953
 954 #define USR_CAKE_INCR 0x11000
 955 #define USR_LINK_INCR 0x100000
 956 #define USR_CP_INCR 0x10000
 957
 958 #define NUM_USR_SMN_REGS        20
 959
 960 struct aqua_reg_list usr_reg_addrs[] = {
 961         { smnreg_0x1B311060, 4, DW_ADDR_INCR },
 962         { smnreg_0x1B411060, 4, DW_ADDR_INCR },
 963         { smnreg_0x1B511060, 4, DW_ADDR_INCR },
 964         { smnreg_0x1B611060, 4, DW_ADDR_INCR },
 965         { smnreg_0x1C307120, 2, DW_ADDR_INCR },
 966         { smnreg_0x1C317120, 2, DW_ADDR_INCR },
 967 };
 968
 969 #define NUM_USR1_SMN_REGS       46
 970 struct aqua_reg_list usr1_reg_addrs[] = {
 971         { smnreg_0x1C320830, 6, USR_CAKE_INCR },
 972         { smnreg_0x1C380830, 5, USR_CAKE_INCR },
 973         { smnreg_0x1C3D0830, 5, USR_CAKE_INCR },
 974         { smnreg_0x1C420830, 4, USR_CAKE_INCR },
 975         { smnreg_0x1C320100, 6, USR_CAKE_INCR },
 976         { smnreg_0x1C380100, 5, USR_CAKE_INCR },
 977         { smnreg_0x1C3D0100, 5, USR_CAKE_INCR },
 978         { smnreg_0x1C420100, 4, USR_CAKE_INCR },
 979         { smnreg_0x1B310500, 4, USR_LINK_INCR },
 980         { smnreg_0x1C300400, 2, USR_CP_INCR },
 981 };
 982
 983 static ssize_t aqua_vanjaram_read_usr_state(struct amdgpu_device *adev,
 984                                             void *buf, size_t max_size,
 985                                             int reg_state)
 986 {
 987         uint32_t start_addr, incrx, num_regs, szbuf, num_smn;
 988         struct amdgpu_reg_state_usr_v1_0 *usr_reg_state;
 989         struct amdgpu_regs_usr_v1_0 *usr_regs;
 990         struct amdgpu_smn_reg_data *reg_data;
 991         const int max_usr_instances = 4;
 992         struct aqua_reg_list *reg_addrs;
 993         int inst = 0, i, n, r, arr_size;
 994         void *p;
 995
 996         if (!buf || !max_size)
 997                 return -EINVAL;
 998
 999         switch (reg_state) {
1000         case AMDGPU_REG_STATE_TYPE_USR:
1001                 arr_size = ARRAY_SIZE(usr_reg_addrs);
1002                 reg_addrs = usr_reg_addrs;
1003                 num_smn = NUM_USR_SMN_REGS;
1004                 break;
1005         case AMDGPU_REG_STATE_TYPE_USR_1:
1006                 arr_size = ARRAY_SIZE(usr1_reg_addrs);
1007                 reg_addrs = usr1_reg_addrs;
1008                 num_smn = NUM_USR1_SMN_REGS;
1009                 break;
1010         default:
1011                 return -EINVAL;
1012         }
1013
1014         usr_reg_state = (struct amdgpu_reg_state_usr_v1_0 *)buf;
1015
1016         szbuf = sizeof(*usr_reg_state) + amdgpu_reginst_size(max_usr_instances,
1017                                                              sizeof(*usr_regs),
1018                                                              num_smn);
1019         if (max_size < szbuf)
1020                 return -EOVERFLOW;
1021
1022         p = &usr_reg_state->usr_state_regs[0];
1023         for_each_inst(i, adev->aid_mask) {
1024                 usr_regs = (struct amdgpu_regs_usr_v1_0 *)p;
1025                 usr_regs->inst_header.instance = inst++;
1026                 usr_regs->inst_header.state = AMDGPU_INST_S_OK;
1027                 usr_regs->inst_header.num_smn_regs = num_smn;
1028                 reg_data = usr_regs->smn_reg_values;
1029
1030                 for (r = 0; r < arr_size; r++) {
1031                         start_addr = reg_addrs[r].start_addr;
1032                         incrx = reg_addrs[r].incrx;
1033                         num_regs = reg_addrs[r].num_regs;
1034                         for (n = 0; n < num_regs; n++) {
1035                                 aqua_read_smn_ext(adev, reg_data,
1036                                                   start_addr + n * incrx, i);
1037                                 reg_data++;
1038                         }
1039                 }
1040                 p = reg_data;
1041         }
1042
1043         usr_reg_state->common_header.structure_size = szbuf;
1044         usr_reg_state->common_header.format_revision = 1;
1045         usr_reg_state->common_header.content_revision = 0;
1046         usr_reg_state->common_header.state_type = AMDGPU_REG_STATE_TYPE_USR;
1047         usr_reg_state->common_header.num_instances = max_usr_instances;
1048
1049         return usr_reg_state->common_header.structure_size;
1050 }
1051
1052 ssize_t aqua_vanjaram_get_reg_state(struct amdgpu_device *adev,
1053                                     enum amdgpu_reg_state reg_state, void *buf,
1054                                     size_t max_size)
1055 {
1056         ssize_t size;
1057
1058         switch (reg_state) {
1059         case AMDGPU_REG_STATE_TYPE_PCIE:
1060                 size = aqua_vanjaram_read_pcie_state(adev, buf, max_size);
1061                 break;
1062         case AMDGPU_REG_STATE_TYPE_XGMI:
1063                 size = aqua_vanjaram_read_xgmi_state(adev, buf, max_size);
1064                 break;
1065         case AMDGPU_REG_STATE_TYPE_WAFL:
1066                 size = aqua_vanjaram_read_wafl_state(adev, buf, max_size);
1067                 break;
1068         case AMDGPU_REG_STATE_TYPE_USR:
1069                 size = aqua_vanjaram_read_usr_state(adev, buf, max_size,
1070                                                     AMDGPU_REG_STATE_TYPE_USR);
1071                 break;
1072         case AMDGPU_REG_STATE_TYPE_USR_1:
1073                 size = aqua_vanjaram_read_usr_state(
1074                         adev, buf, max_size, AMDGPU_REG_STATE_TYPE_USR_1);
1075                 break;
1076         default:
1077                 return -EINVAL;
1078         }
1079
1080         return size;
1081 }