drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10.c

   1 /*
   2  * Copyright 2019 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 #include "amdgpu.h"
  23 #include "amdgpu_amdkfd.h"
  24 #include "amdgpu_amdkfd_gfx_v10.h"
  25 #include "gc/gc_10_1_0_offset.h"
  26 #include "gc/gc_10_1_0_sh_mask.h"
  27 #include "athub/athub_2_0_0_offset.h"
  28 #include "athub/athub_2_0_0_sh_mask.h"
  29 #include "oss/osssys_5_0_0_offset.h"
  30 #include "oss/osssys_5_0_0_sh_mask.h"
  31 #include "soc15_common.h"
  32 #include "v10_structs.h"
  33 #include "nv.h"
  34 #include "nvd.h"
  35 #include <uapi/linux/kfd_ioctl.h>
  36
  37 enum hqd_dequeue_request_type {
  38         NO_ACTION = 0,
  39         DRAIN_PIPE,
  40         RESET_WAVES,
  41         SAVE_WAVES
  42 };
  43
  44 static void lock_srbm(struct amdgpu_device *adev, uint32_t mec, uint32_t pipe,
  45                         uint32_t queue, uint32_t vmid)
  46 {
  47         mutex_lock(&adev->srbm_mutex);
  48         nv_grbm_select(adev, mec, pipe, queue, vmid);
  49 }
  50
  51 static void unlock_srbm(struct amdgpu_device *adev)
  52 {
  53         nv_grbm_select(adev, 0, 0, 0, 0);
  54         mutex_unlock(&adev->srbm_mutex);
  55 }
  56
  57 static void acquire_queue(struct amdgpu_device *adev, uint32_t pipe_id,
  58                                 uint32_t queue_id)
  59 {
  60         uint32_t mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1;
  61         uint32_t pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec);
  62
  63         lock_srbm(adev, mec, pipe, queue_id, 0);
  64 }
  65
  66 static uint64_t get_queue_mask(struct amdgpu_device *adev,
  67                                uint32_t pipe_id, uint32_t queue_id)
  68 {
  69         unsigned int bit = pipe_id * adev->gfx.mec.num_queue_per_pipe +
  70                         queue_id;
  71
  72         return 1ull << bit;
  73 }
  74
  75 static void release_queue(struct amdgpu_device *adev)
  76 {
  77         unlock_srbm(adev);
  78 }
  79
  80 static void kgd_program_sh_mem_settings(struct amdgpu_device *adev, uint32_t vmid,
  81                                         uint32_t sh_mem_config,
  82                                         uint32_t sh_mem_ape1_base,
  83                                         uint32_t sh_mem_ape1_limit,
  84                                         uint32_t sh_mem_bases, uint32_t inst)
  85 {
  86         lock_srbm(adev, 0, 0, 0, vmid);
  87
  88         WREG32_SOC15(GC, 0, mmSH_MEM_CONFIG, sh_mem_config);
  89         WREG32_SOC15(GC, 0, mmSH_MEM_BASES, sh_mem_bases);
  90         /* APE1 no longer exists on GFX9 */
  91
  92         unlock_srbm(adev);
  93 }
  94
  95 static int kgd_set_pasid_vmid_mapping(struct amdgpu_device *adev, u32 pasid,
  96                                         unsigned int vmid, uint32_t inst)
  97 {
  98         /*
  99          * We have to assume that there is no outstanding mapping.
 100          * The ATC_VMID_PASID_MAPPING_UPDATE_STATUS bit could be 0 because
 101          * a mapping is in progress or because a mapping finished
 102          * and the SW cleared it.
 103          * So the protocol is to always wait & clear.
 104          */
 105         uint32_t pasid_mapping = (pasid == 0) ? 0 : (uint32_t)pasid |
 106                         ATC_VMID0_PASID_MAPPING__VALID_MASK;
 107
 108         pr_debug("pasid 0x%x vmid %d, reg value %x\n", pasid, vmid, pasid_mapping);
 109
 110         pr_debug("ATHUB, reg %x\n", SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING) + vmid);
 111         WREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING) + vmid,
 112                pasid_mapping);
 113
 114 #if 0
 115         /* TODO: uncomment this code when the hardware support is ready. */
 116         while (!(RREG32(SOC15_REG_OFFSET(
 117                                 ATHUB, 0,
 118                                 mmATC_VMID_PASID_MAPPING_UPDATE_STATUS)) &
 119                  (1U << vmid)))
 120                 cpu_relax();
 121
 122         pr_debug("ATHUB mapping update finished\n");
 123         WREG32(SOC15_REG_OFFSET(ATHUB, 0,
 124                                 mmATC_VMID_PASID_MAPPING_UPDATE_STATUS),
 125                1U << vmid);
 126 #endif
 127
 128         /* Mapping vmid to pasid also for IH block */
 129         pr_debug("update mapping for IH block and mmhub");
 130         WREG32(SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid,
 131                pasid_mapping);
 132
 133         return 0;
 134 }
 135
 136 /* TODO - RING0 form of field is obsolete, seems to date back to SI
 137  * but still works
 138  */
 139
 140 static int kgd_init_interrupts(struct amdgpu_device *adev, uint32_t pipe_id,
 141                                 uint32_t inst)
 142 {
 143         uint32_t mec;
 144         uint32_t pipe;
 145
 146         mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1;
 147         pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec);
 148
 149         lock_srbm(adev, mec, pipe, 0, 0);
 150
 151         WREG32_SOC15(GC, 0, mmCPC_INT_CNTL,
 152                 CP_INT_CNTL_RING0__TIME_STAMP_INT_ENABLE_MASK |
 153                 CP_INT_CNTL_RING0__OPCODE_ERROR_INT_ENABLE_MASK);
 154
 155         unlock_srbm(adev);
 156
 157         return 0;
 158 }
 159
 160 static uint32_t get_sdma_rlc_reg_offset(struct amdgpu_device *adev,
 161                                 unsigned int engine_id,
 162                                 unsigned int queue_id)
 163 {
 164         uint32_t sdma_engine_reg_base[2] = {
 165                 SOC15_REG_OFFSET(SDMA0, 0,
 166                                  mmSDMA0_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL,
 167                 /* On gfx10, mmSDMA1_xxx registers are defined NOT based
 168                  * on SDMA1 base address (dw 0x1860) but based on SDMA0
 169                  * base address (dw 0x1260). Therefore use mmSDMA0_RLC0_RB_CNTL
 170                  * instead of mmSDMA1_RLC0_RB_CNTL for the base address calc
 171                  * below
 172                  */
 173                 SOC15_REG_OFFSET(SDMA1, 0,
 174                                  mmSDMA1_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL
 175         };
 176
 177         uint32_t retval = sdma_engine_reg_base[engine_id]
 178                 + queue_id * (mmSDMA0_RLC1_RB_CNTL - mmSDMA0_RLC0_RB_CNTL);
 179
 180         pr_debug("RLC register offset for SDMA%d RLC%d: 0x%x\n", engine_id,
 181                         queue_id, retval);
 182
 183         return retval;
 184 }
 185
 186 #if 0
 187 static uint32_t get_watch_base_addr(struct amdgpu_device *adev)
 188 {
 189         uint32_t retval = SOC15_REG_OFFSET(GC, 0, mmTCP_WATCH0_ADDR_H) -
 190                         mmTCP_WATCH0_ADDR_H;
 191
 192         pr_debug("kfd: reg watch base address: 0x%x\n", retval);
 193
 194         return retval;
 195 }
 196 #endif
 197
 198 static inline struct v10_compute_mqd *get_mqd(void *mqd)
 199 {
 200         return (struct v10_compute_mqd *)mqd;
 201 }
 202
 203 static inline struct v10_sdma_mqd *get_sdma_mqd(void *mqd)
 204 {
 205         return (struct v10_sdma_mqd *)mqd;
 206 }
 207
 208 static int kgd_hqd_load(struct amdgpu_device *adev, void *mqd,
 209                         uint32_t pipe_id, uint32_t queue_id,
 210                         uint32_t __user *wptr, uint32_t wptr_shift,
 211                         uint32_t wptr_mask, struct mm_struct *mm, uint32_t inst)
 212 {
 213         struct v10_compute_mqd *m;
 214         uint32_t *mqd_hqd;
 215         uint32_t reg, hqd_base, data;
 216
 217         m = get_mqd(mqd);
 218
 219         pr_debug("Load hqd of pipe %d queue %d\n", pipe_id, queue_id);
 220         acquire_queue(adev, pipe_id, queue_id);
 221
 222         /* HQD registers extend from CP_MQD_BASE_ADDR to CP_HQD_EOP_WPTR_MEM. */
 223         mqd_hqd = &m->cp_mqd_base_addr_lo;
 224         hqd_base = SOC15_REG_OFFSET(GC, 0, mmCP_MQD_BASE_ADDR);
 225
 226         for (reg = hqd_base;
 227              reg <= SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_HI); reg++)
 228                 WREG32_SOC15_IP(GC, reg, mqd_hqd[reg - hqd_base]);
 229
 230
 231         /* Activate doorbell logic before triggering WPTR poll. */
 232         data = REG_SET_FIELD(m->cp_hqd_pq_doorbell_control,
 233                              CP_HQD_PQ_DOORBELL_CONTROL, DOORBELL_EN, 1);
 234         WREG32_SOC15(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL, data);
 235
 236         if (wptr) {
 237                 /* Don't read wptr with get_user because the user
 238                  * context may not be accessible (if this function
 239                  * runs in a work queue). Instead trigger a one-shot
 240                  * polling read from memory in the CP. This assumes
 241                  * that wptr is GPU-accessible in the queue's VMID via
 242                  * ATC or SVM. WPTR==RPTR before starting the poll so
 243                  * the CP starts fetching new commands from the right
 244                  * place.
 245                  *
 246                  * Guessing a 64-bit WPTR from a 32-bit RPTR is a bit
 247                  * tricky. Assume that the queue didn't overflow. The
 248                  * number of valid bits in the 32-bit RPTR depends on
 249                  * the queue size. The remaining bits are taken from
 250                  * the saved 64-bit WPTR. If the WPTR wrapped, add the
 251                  * queue size.
 252                  */
 253                 uint32_t queue_size =
 254                         2 << REG_GET_FIELD(m->cp_hqd_pq_control,
 255                                            CP_HQD_PQ_CONTROL, QUEUE_SIZE);
 256                 uint64_t guessed_wptr = m->cp_hqd_pq_rptr & (queue_size - 1);
 257
 258                 if ((m->cp_hqd_pq_wptr_lo & (queue_size - 1)) < guessed_wptr)
 259                         guessed_wptr += queue_size;
 260                 guessed_wptr += m->cp_hqd_pq_wptr_lo & ~(queue_size - 1);
 261                 guessed_wptr += (uint64_t)m->cp_hqd_pq_wptr_hi << 32;
 262
 263                 WREG32_SOC15(GC, 0, mmCP_HQD_PQ_WPTR_LO,
 264                        lower_32_bits(guessed_wptr));
 265                 WREG32_SOC15(GC, 0, mmCP_HQD_PQ_WPTR_HI,
 266                        upper_32_bits(guessed_wptr));
 267                 WREG32_SOC15(GC, 0, mmCP_HQD_PQ_WPTR_POLL_ADDR,
 268                        lower_32_bits((uint64_t)wptr));
 269                 WREG32_SOC15(GC, 0, mmCP_HQD_PQ_WPTR_POLL_ADDR_HI,
 270                        upper_32_bits((uint64_t)wptr));
 271                 pr_debug("%s setting CP_PQ_WPTR_POLL_CNTL1 to %x\n", __func__,
 272                          (uint32_t)get_queue_mask(adev, pipe_id, queue_id));
 273                 WREG32_SOC15(GC, 0, mmCP_PQ_WPTR_POLL_CNTL1,
 274                        (uint32_t)get_queue_mask(adev, pipe_id, queue_id));
 275         }
 276
 277         /* Start the EOP fetcher */
 278         WREG32_SOC15(GC, 0, mmCP_HQD_EOP_RPTR,
 279                REG_SET_FIELD(m->cp_hqd_eop_rptr,
 280                              CP_HQD_EOP_RPTR, INIT_FETCHER, 1));
 281
 282         data = REG_SET_FIELD(m->cp_hqd_active, CP_HQD_ACTIVE, ACTIVE, 1);
 283         WREG32_SOC15(GC, 0, mmCP_HQD_ACTIVE, data);
 284
 285         release_queue(adev);
 286
 287         return 0;
 288 }
 289
 290 static int kgd_hiq_mqd_load(struct amdgpu_device *adev, void *mqd,
 291                             uint32_t pipe_id, uint32_t queue_id,
 292                             uint32_t doorbell_off, uint32_t inst)
 293 {
 294         struct amdgpu_ring *kiq_ring = &adev->gfx.kiq[0].ring;
 295         struct v10_compute_mqd *m;
 296         uint32_t mec, pipe;
 297         int r;
 298
 299         m = get_mqd(mqd);
 300
 301         acquire_queue(adev, pipe_id, queue_id);
 302
 303         mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1;
 304         pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec);
 305
 306         pr_debug("kfd: set HIQ, mec:%d, pipe:%d, queue:%d.\n",
 307                  mec, pipe, queue_id);
 308
 309         spin_lock(&adev->gfx.kiq[0].ring_lock);
 310         r = amdgpu_ring_alloc(kiq_ring, 7);
 311         if (r) {
 312                 pr_err("Failed to alloc KIQ (%d).\n", r);
 313                 goto out_unlock;
 314         }
 315
 316         amdgpu_ring_write(kiq_ring, PACKET3(PACKET3_MAP_QUEUES, 5));
 317         amdgpu_ring_write(kiq_ring,
 318                           PACKET3_MAP_QUEUES_QUEUE_SEL(0) | /* Queue_Sel */
 319                           PACKET3_MAP_QUEUES_VMID(m->cp_hqd_vmid) | /* VMID */
 320                           PACKET3_MAP_QUEUES_QUEUE(queue_id) |
 321                           PACKET3_MAP_QUEUES_PIPE(pipe) |
 322                           PACKET3_MAP_QUEUES_ME((mec - 1)) |
 323                           PACKET3_MAP_QUEUES_QUEUE_TYPE(0) | /*queue_type: normal compute queue */
 324                           PACKET3_MAP_QUEUES_ALLOC_FORMAT(0) | /* alloc format: all_on_one_pipe */
 325                           PACKET3_MAP_QUEUES_ENGINE_SEL(1) | /* engine_sel: hiq */
 326                           PACKET3_MAP_QUEUES_NUM_QUEUES(1)); /* num_queues: must be 1 */
 327         amdgpu_ring_write(kiq_ring,
 328                           PACKET3_MAP_QUEUES_DOORBELL_OFFSET(doorbell_off));
 329         amdgpu_ring_write(kiq_ring, m->cp_mqd_base_addr_lo);
 330         amdgpu_ring_write(kiq_ring, m->cp_mqd_base_addr_hi);
 331         amdgpu_ring_write(kiq_ring, m->cp_hqd_pq_wptr_poll_addr_lo);
 332         amdgpu_ring_write(kiq_ring, m->cp_hqd_pq_wptr_poll_addr_hi);
 333         amdgpu_ring_commit(kiq_ring);
 334
 335 out_unlock:
 336         spin_unlock(&adev->gfx.kiq[0].ring_lock);
 337         release_queue(adev);
 338
 339         return r;
 340 }
 341
 342 static int kgd_hqd_dump(struct amdgpu_device *adev,
 343                         uint32_t pipe_id, uint32_t queue_id,
 344                         uint32_t (**dump)[2], uint32_t *n_regs, uint32_t inst)
 345 {
 346         uint32_t i = 0, reg;
 347 #define HQD_N_REGS 56
 348 #define DUMP_REG(addr) do {                             \
 349                 if (WARN_ON_ONCE(i >= HQD_N_REGS))      \
 350                         break;                          \
 351                 (*dump)[i][0] = (addr) << 2;            \
 352                 (*dump)[i++][1] = RREG32_SOC15_IP(GC, addr);            \
 353         } while (0)
 354
 355         *dump = kmalloc(HQD_N_REGS*2*sizeof(uint32_t), GFP_KERNEL);
 356         if (*dump == NULL)
 357                 return -ENOMEM;
 358
 359         acquire_queue(adev, pipe_id, queue_id);
 360
 361         for (reg = SOC15_REG_OFFSET(GC, 0, mmCP_MQD_BASE_ADDR);
 362              reg <= SOC15_REG_OFFSET(GC, 0, mmCP_HQD_PQ_WPTR_HI); reg++)
 363                 DUMP_REG(reg);
 364
 365         release_queue(adev);
 366
 367         WARN_ON_ONCE(i != HQD_N_REGS);
 368         *n_regs = i;
 369
 370         return 0;
 371 }
 372
 373 static int kgd_hqd_sdma_load(struct amdgpu_device *adev, void *mqd,
 374                              uint32_t __user *wptr, struct mm_struct *mm)
 375 {
 376         struct v10_sdma_mqd *m;
 377         uint32_t sdma_rlc_reg_offset;
 378         unsigned long end_jiffies;
 379         uint32_t data;
 380         uint64_t data64;
 381         uint64_t __user *wptr64 = (uint64_t __user *)wptr;
 382
 383         m = get_sdma_mqd(mqd);
 384         sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev, m->sdma_engine_id,
 385                                             m->sdma_queue_id);
 386
 387         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL,
 388                 m->sdmax_rlcx_rb_cntl & (~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK));
 389
 390         end_jiffies = msecs_to_jiffies(2000) + jiffies;
 391         while (true) {
 392                 data = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS);
 393                 if (data & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
 394                         break;
 395                 if (time_after(jiffies, end_jiffies)) {
 396                         pr_err("SDMA RLC not idle in %s\n", __func__);
 397                         return -ETIME;
 398                 }
 399                 usleep_range(500, 1000);
 400         }
 401
 402         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL_OFFSET,
 403                m->sdmax_rlcx_doorbell_offset);
 404
 405         data = REG_SET_FIELD(m->sdmax_rlcx_doorbell, SDMA0_RLC0_DOORBELL,
 406                              ENABLE, 1);
 407         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, data);
 408         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR,
 409                                 m->sdmax_rlcx_rb_rptr);
 410         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_HI,
 411                                 m->sdmax_rlcx_rb_rptr_hi);
 412
 413         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 1);
 414         if (read_user_wptr(mm, wptr64, data64)) {
 415                 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR,
 416                        lower_32_bits(data64));
 417                 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR_HI,
 418                        upper_32_bits(data64));
 419         } else {
 420                 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR,
 421                        m->sdmax_rlcx_rb_rptr);
 422                 WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_WPTR_HI,
 423                        m->sdmax_rlcx_rb_rptr_hi);
 424         }
 425         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_MINOR_PTR_UPDATE, 0);
 426
 427         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_BASE, m->sdmax_rlcx_rb_base);
 428         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_BASE_HI,
 429                         m->sdmax_rlcx_rb_base_hi);
 430         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_LO,
 431                         m->sdmax_rlcx_rb_rptr_addr_lo);
 432         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_ADDR_HI,
 433                         m->sdmax_rlcx_rb_rptr_addr_hi);
 434
 435         data = REG_SET_FIELD(m->sdmax_rlcx_rb_cntl, SDMA0_RLC0_RB_CNTL,
 436                              RB_ENABLE, 1);
 437         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, data);
 438
 439         return 0;
 440 }
 441
 442 static int kgd_hqd_sdma_dump(struct amdgpu_device *adev,
 443                              uint32_t engine_id, uint32_t queue_id,
 444                              uint32_t (**dump)[2], uint32_t *n_regs)
 445 {
 446         uint32_t sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev,
 447                         engine_id, queue_id);
 448         uint32_t i = 0, reg;
 449 #undef HQD_N_REGS
 450 #define HQD_N_REGS (19+6+7+10)
 451
 452         *dump = kmalloc(HQD_N_REGS*2*sizeof(uint32_t), GFP_KERNEL);
 453         if (*dump == NULL)
 454                 return -ENOMEM;
 455
 456         for (reg = mmSDMA0_RLC0_RB_CNTL; reg <= mmSDMA0_RLC0_DOORBELL; reg++)
 457                 DUMP_REG(sdma_rlc_reg_offset + reg);
 458         for (reg = mmSDMA0_RLC0_STATUS; reg <= mmSDMA0_RLC0_CSA_ADDR_HI; reg++)
 459                 DUMP_REG(sdma_rlc_reg_offset + reg);
 460         for (reg = mmSDMA0_RLC0_IB_SUB_REMAIN;
 461              reg <= mmSDMA0_RLC0_MINOR_PTR_UPDATE; reg++)
 462                 DUMP_REG(sdma_rlc_reg_offset + reg);
 463         for (reg = mmSDMA0_RLC0_MIDCMD_DATA0;
 464              reg <= mmSDMA0_RLC0_MIDCMD_CNTL; reg++)
 465                 DUMP_REG(sdma_rlc_reg_offset + reg);
 466
 467         WARN_ON_ONCE(i != HQD_N_REGS);
 468         *n_regs = i;
 469
 470         return 0;
 471 }
 472
 473 static bool kgd_hqd_is_occupied(struct amdgpu_device *adev,
 474                                 uint64_t queue_address, uint32_t pipe_id,
 475                                 uint32_t queue_id, uint32_t inst)
 476 {
 477         uint32_t act;
 478         bool retval = false;
 479         uint32_t low, high;
 480
 481         acquire_queue(adev, pipe_id, queue_id);
 482         act = RREG32_SOC15(GC, 0, mmCP_HQD_ACTIVE);
 483         if (act) {
 484                 low = lower_32_bits(queue_address >> 8);
 485                 high = upper_32_bits(queue_address >> 8);
 486
 487                 if (low == RREG32_SOC15(GC, 0, mmCP_HQD_PQ_BASE) &&
 488                    high == RREG32_SOC15(GC, 0, mmCP_HQD_PQ_BASE_HI))
 489                         retval = true;
 490         }
 491         release_queue(adev);
 492         return retval;
 493 }
 494
 495 static bool kgd_hqd_sdma_is_occupied(struct amdgpu_device *adev, void *mqd)
 496 {
 497         struct v10_sdma_mqd *m;
 498         uint32_t sdma_rlc_reg_offset;
 499         uint32_t sdma_rlc_rb_cntl;
 500
 501         m = get_sdma_mqd(mqd);
 502         sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev, m->sdma_engine_id,
 503                                             m->sdma_queue_id);
 504
 505         sdma_rlc_rb_cntl = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL);
 506
 507         if (sdma_rlc_rb_cntl & SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK)
 508                 return true;
 509
 510         return false;
 511 }
 512
 513 static int kgd_hqd_destroy(struct amdgpu_device *adev, void *mqd,
 514                                 enum kfd_preempt_type reset_type,
 515                                 unsigned int utimeout, uint32_t pipe_id,
 516                                 uint32_t queue_id, uint32_t inst)
 517 {
 518         enum hqd_dequeue_request_type type;
 519         unsigned long end_jiffies;
 520         uint32_t temp;
 521         struct v10_compute_mqd *m = get_mqd(mqd);
 522
 523         if (amdgpu_in_reset(adev))
 524                 return -EIO;
 525
 526 #if 0
 527         unsigned long flags;
 528         int retry;
 529 #endif
 530
 531         acquire_queue(adev, pipe_id, queue_id);
 532
 533         if (m->cp_hqd_vmid == 0)
 534                 WREG32_FIELD15(GC, 0, RLC_CP_SCHEDULERS, scheduler1, 0);
 535
 536         switch (reset_type) {
 537         case KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN:
 538                 type = DRAIN_PIPE;
 539                 break;
 540         case KFD_PREEMPT_TYPE_WAVEFRONT_RESET:
 541                 type = RESET_WAVES;
 542                 break;
 543         case KFD_PREEMPT_TYPE_WAVEFRONT_SAVE:
 544                 type = SAVE_WAVES;
 545                 break;
 546         default:
 547                 type = DRAIN_PIPE;
 548                 break;
 549         }
 550
 551 #if 0 /* Is this still needed? */
 552         /* Workaround: If IQ timer is active and the wait time is close to or
 553          * equal to 0, dequeueing is not safe. Wait until either the wait time
 554          * is larger or timer is cleared. Also, ensure that IQ_REQ_PEND is
 555          * cleared before continuing. Also, ensure wait times are set to at
 556          * least 0x3.
 557          */
 558         local_irq_save(flags);
 559         preempt_disable();
 560         retry = 5000; /* wait for 500 usecs at maximum */
 561         while (true) {
 562                 temp = RREG32(mmCP_HQD_IQ_TIMER);
 563                 if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, PROCESSING_IQ)) {
 564                         pr_debug("HW is processing IQ\n");
 565                         goto loop;
 566                 }
 567                 if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, ACTIVE)) {
 568                         if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, RETRY_TYPE)
 569                                         == 3) /* SEM-rearm is safe */
 570                                 break;
 571                         /* Wait time 3 is safe for CP, but our MMIO read/write
 572                          * time is close to 1 microsecond, so check for 10 to
 573                          * leave more buffer room
 574                          */
 575                         if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, WAIT_TIME)
 576                                         >= 10)
 577                                 break;
 578                         pr_debug("IQ timer is active\n");
 579                 } else
 580                         break;
 581 loop:
 582                 if (!retry) {
 583                         pr_err("CP HQD IQ timer status time out\n");
 584                         break;
 585                 }
 586                 ndelay(100);
 587                 --retry;
 588         }
 589         retry = 1000;
 590         while (true) {
 591                 temp = RREG32(mmCP_HQD_DEQUEUE_REQUEST);
 592                 if (!(temp & CP_HQD_DEQUEUE_REQUEST__IQ_REQ_PEND_MASK))
 593                         break;
 594                 pr_debug("Dequeue request is pending\n");
 595
 596                 if (!retry) {
 597                         pr_err("CP HQD dequeue request time out\n");
 598                         break;
 599                 }
 600                 ndelay(100);
 601                 --retry;
 602         }
 603         local_irq_restore(flags);
 604         preempt_enable();
 605 #endif
 606
 607         WREG32_SOC15(GC, 0, mmCP_HQD_DEQUEUE_REQUEST, type);
 608
 609         end_jiffies = (utimeout * HZ / 1000) + jiffies;
 610         while (true) {
 611                 temp = RREG32_SOC15(GC, 0, mmCP_HQD_ACTIVE);
 612                 if (!(temp & CP_HQD_ACTIVE__ACTIVE_MASK))
 613                         break;
 614                 if (time_after(jiffies, end_jiffies)) {
 615                         pr_err("cp queue preemption time out.\n");
 616                         release_queue(adev);
 617                         return -ETIME;
 618                 }
 619                 usleep_range(500, 1000);
 620         }
 621
 622         release_queue(adev);
 623         return 0;
 624 }
 625
 626 static int kgd_hqd_sdma_destroy(struct amdgpu_device *adev, void *mqd,
 627                                 unsigned int utimeout)
 628 {
 629         struct v10_sdma_mqd *m;
 630         uint32_t sdma_rlc_reg_offset;
 631         uint32_t temp;
 632         unsigned long end_jiffies = (utimeout * HZ / 1000) + jiffies;
 633
 634         m = get_sdma_mqd(mqd);
 635         sdma_rlc_reg_offset = get_sdma_rlc_reg_offset(adev, m->sdma_engine_id,
 636                                             m->sdma_queue_id);
 637
 638         temp = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL);
 639         temp = temp & ~SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK;
 640         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL, temp);
 641
 642         while (true) {
 643                 temp = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_CONTEXT_STATUS);
 644                 if (temp & SDMA0_RLC0_CONTEXT_STATUS__IDLE_MASK)
 645                         break;
 646                 if (time_after(jiffies, end_jiffies)) {
 647                         pr_err("SDMA RLC not idle in %s\n", __func__);
 648                         return -ETIME;
 649                 }
 650                 usleep_range(500, 1000);
 651         }
 652
 653         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_DOORBELL, 0);
 654         WREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL,
 655                 RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_CNTL) |
 656                 SDMA0_RLC0_RB_CNTL__RB_ENABLE_MASK);
 657
 658         m->sdmax_rlcx_rb_rptr = RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR);
 659         m->sdmax_rlcx_rb_rptr_hi =
 660                 RREG32(sdma_rlc_reg_offset + mmSDMA0_RLC0_RB_RPTR_HI);
 661
 662         return 0;
 663 }
 664
 665 static bool get_atc_vmid_pasid_mapping_info(struct amdgpu_device *adev,
 666                                         uint8_t vmid, uint16_t *p_pasid)
 667 {
 668         uint32_t value;
 669
 670         value = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING)
 671                      + vmid);
 672         *p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK;
 673
 674         return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK);
 675 }
 676
 677 static int kgd_wave_control_execute(struct amdgpu_device *adev,
 678                                         uint32_t gfx_index_val,
 679                                         uint32_t sq_cmd, uint32_t inst)
 680 {
 681         uint32_t data = 0;
 682
 683         mutex_lock(&adev->grbm_idx_mutex);
 684
 685         WREG32_SOC15(GC, 0, mmGRBM_GFX_INDEX, gfx_index_val);
 686         WREG32_SOC15(GC, 0, mmSQ_CMD, sq_cmd);
 687
 688         data = REG_SET_FIELD(data, GRBM_GFX_INDEX,
 689                 INSTANCE_BROADCAST_WRITES, 1);
 690         data = REG_SET_FIELD(data, GRBM_GFX_INDEX,
 691                 SA_BROADCAST_WRITES, 1);
 692         data = REG_SET_FIELD(data, GRBM_GFX_INDEX,
 693                 SE_BROADCAST_WRITES, 1);
 694
 695         WREG32_SOC15(GC, 0, mmGRBM_GFX_INDEX, data);
 696         mutex_unlock(&adev->grbm_idx_mutex);
 697
 698         return 0;
 699 }
 700
 701 static void set_vm_context_page_table_base(struct amdgpu_device *adev,
 702                 uint32_t vmid, uint64_t page_table_base)
 703 {
 704         if (!amdgpu_amdkfd_is_kfd_vmid(adev, vmid)) {
 705                 pr_err("trying to set page table base for wrong VMID %u\n",
 706                        vmid);
 707                 return;
 708         }
 709
 710         /* SDMA is on gfxhub as well for Navi1* series */
 711         adev->gfxhub.funcs->setup_vm_pt_regs(adev, vmid, page_table_base);
 712 }
 713
 714 /*
 715  * GFX10 helper for wave launch stall requirements on debug trap setting.
 716  *
 717  * vmid:
 718  *   Target VMID to stall/unstall.
 719  *
 720  * stall:
 721  *   0-unstall wave launch (enable), 1-stall wave launch (disable).
 722  *   After wavefront launch has been stalled, allocated waves must drain from
 723  *   SPI in order for debug trap settings to take effect on those waves.
 724  *   This is roughly a ~3500 clock cycle wait on SPI where a read on
 725  *   SPI_GDBG_WAVE_CNTL translates to ~32 clock cycles.
 726  *   KGD_GFX_V10_WAVE_LAUNCH_SPI_DRAIN_LATENCY indicates the number of reads required.
 727  *
 728  *   NOTE: We can afford to clear the entire STALL_VMID field on unstall
 729  *   because current GFX10 chips cannot support multi-process debugging due to
 730  *   trap configuration and masking being limited to global scope.  Always
 731  *   assume single process conditions.
 732  *
 733  */
 734
 735 #define KGD_GFX_V10_WAVE_LAUNCH_SPI_DRAIN_LATENCY       110
 736 static void kgd_gfx_v10_set_wave_launch_stall(struct amdgpu_device *adev, uint32_t vmid, bool stall)
 737 {
 738         uint32_t data = RREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_WAVE_CNTL));
 739         int i;
 740
 741         data = REG_SET_FIELD(data, SPI_GDBG_WAVE_CNTL, STALL_VMID,
 742                                                         stall ? 1 << vmid : 0);
 743
 744         WREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_WAVE_CNTL), data);
 745
 746         if (!stall)
 747                 return;
 748
 749         for (i = 0; i < KGD_GFX_V10_WAVE_LAUNCH_SPI_DRAIN_LATENCY; i++)
 750                 RREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_WAVE_CNTL));
 751 }
 752
 753 uint32_t kgd_gfx_v10_enable_debug_trap(struct amdgpu_device *adev,
 754                                 bool restore_dbg_registers,
 755                                 uint32_t vmid)
 756 {
 757
 758         mutex_lock(&adev->grbm_idx_mutex);
 759
 760         kgd_gfx_v10_set_wave_launch_stall(adev, vmid, true);
 761
 762         /* assume gfx off is disabled for the debug session if rlc restore not supported. */
 763         if (restore_dbg_registers) {
 764                 uint32_t data = 0;
 765
 766                 data = REG_SET_FIELD(data, SPI_GDBG_TRAP_CONFIG,
 767                                 VMID_SEL, 1 << vmid);
 768                 data = REG_SET_FIELD(data, SPI_GDBG_TRAP_CONFIG,
 769                                 TRAP_EN, 1);
 770                 WREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_TRAP_CONFIG), data);
 771                 WREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_TRAP_DATA0), 0);
 772                 WREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_TRAP_DATA1), 0);
 773
 774                 kgd_gfx_v10_set_wave_launch_stall(adev, vmid, false);
 775
 776                 mutex_unlock(&adev->grbm_idx_mutex);
 777
 778                 return 0;
 779         }
 780
 781         WREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_TRAP_MASK), 0);
 782
 783         kgd_gfx_v10_set_wave_launch_stall(adev, vmid, false);
 784
 785         mutex_unlock(&adev->grbm_idx_mutex);
 786
 787         return 0;
 788 }
 789
 790 uint32_t kgd_gfx_v10_disable_debug_trap(struct amdgpu_device *adev,
 791                                         bool keep_trap_enabled,
 792                                         uint32_t vmid)
 793 {
 794         mutex_lock(&adev->grbm_idx_mutex);
 795
 796         kgd_gfx_v10_set_wave_launch_stall(adev, vmid, true);
 797
 798         WREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_TRAP_MASK), 0);
 799
 800         kgd_gfx_v10_set_wave_launch_stall(adev, vmid, false);
 801
 802         mutex_unlock(&adev->grbm_idx_mutex);
 803
 804         return 0;
 805 }
 806
 807 int kgd_gfx_v10_validate_trap_override_request(struct amdgpu_device *adev,
 808                                               uint32_t trap_override,
 809                                               uint32_t *trap_mask_supported)
 810 {
 811         *trap_mask_supported &= KFD_DBG_TRAP_MASK_DBG_ADDRESS_WATCH;
 812
 813         /* The SPI_GDBG_TRAP_MASK register is global and affects all
 814          * processes. Only allow OR-ing the address-watch bit, since
 815          * this only affects processes under the debugger. Other bits
 816          * should stay 0 to avoid the debugger interfering with other
 817          * processes.
 818          */
 819         if (trap_override != KFD_DBG_TRAP_OVERRIDE_OR)
 820                 return -EINVAL;
 821
 822         return 0;
 823 }
 824
 825 uint32_t kgd_gfx_v10_set_wave_launch_trap_override(struct amdgpu_device *adev,
 826                                               uint32_t vmid,
 827                                               uint32_t trap_override,
 828                                               uint32_t trap_mask_bits,
 829                                               uint32_t trap_mask_request,
 830                                               uint32_t *trap_mask_prev,
 831                                               uint32_t kfd_dbg_trap_cntl_prev)
 832 {
 833         uint32_t data, wave_cntl_prev;
 834
 835         mutex_lock(&adev->grbm_idx_mutex);
 836
 837         wave_cntl_prev = RREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_WAVE_CNTL));
 838
 839         kgd_gfx_v10_set_wave_launch_stall(adev, vmid, true);
 840
 841         data = RREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_TRAP_MASK));
 842         *trap_mask_prev = REG_GET_FIELD(data, SPI_GDBG_TRAP_MASK, EXCP_EN);
 843
 844         trap_mask_bits = (trap_mask_bits & trap_mask_request) |
 845                 (*trap_mask_prev & ~trap_mask_request);
 846
 847         data = REG_SET_FIELD(data, SPI_GDBG_TRAP_MASK, EXCP_EN, trap_mask_bits);
 848         data = REG_SET_FIELD(data, SPI_GDBG_TRAP_MASK, REPLACE, trap_override);
 849         WREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_TRAP_MASK), data);
 850
 851         /* We need to preserve wave launch mode stall settings. */
 852         WREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_WAVE_CNTL), wave_cntl_prev);
 853
 854         mutex_unlock(&adev->grbm_idx_mutex);
 855
 856         return 0;
 857 }
 858
 859 uint32_t kgd_gfx_v10_set_wave_launch_mode(struct amdgpu_device *adev,
 860                                         uint8_t wave_launch_mode,
 861                                         uint32_t vmid)
 862 {
 863         uint32_t data = 0;
 864         bool is_mode_set = !!wave_launch_mode;
 865
 866         mutex_lock(&adev->grbm_idx_mutex);
 867
 868         kgd_gfx_v10_set_wave_launch_stall(adev, vmid, true);
 869
 870         data = REG_SET_FIELD(data, SPI_GDBG_WAVE_CNTL2,
 871                         VMID_MASK, is_mode_set ? 1 << vmid : 0);
 872         data = REG_SET_FIELD(data, SPI_GDBG_WAVE_CNTL2,
 873                         MODE, is_mode_set ? wave_launch_mode : 0);
 874         WREG32(SOC15_REG_OFFSET(GC, 0, mmSPI_GDBG_WAVE_CNTL2), data);
 875
 876         kgd_gfx_v10_set_wave_launch_stall(adev, vmid, false);
 877
 878         mutex_unlock(&adev->grbm_idx_mutex);
 879
 880         return 0;
 881 }
 882
 883 #define TCP_WATCH_STRIDE (mmTCP_WATCH1_ADDR_H - mmTCP_WATCH0_ADDR_H)
 884 #define SQ_WATCH_STRIDE (mmSQ_WATCH1_ADDR_H - mmSQ_WATCH0_ADDR_H)
 885 uint32_t kgd_gfx_v10_set_address_watch(struct amdgpu_device *adev,
 886                                         uint64_t watch_address,
 887                                         uint32_t watch_address_mask,
 888                                         uint32_t watch_id,
 889                                         uint32_t watch_mode,
 890                                         uint32_t debug_vmid,
 891                                         uint32_t inst)
 892 {
 893         /* SQ_WATCH?_ADDR_* and TCP_WATCH?_ADDR_* are programmed with the
 894          * same values.
 895          */
 896         uint32_t watch_address_high;
 897         uint32_t watch_address_low;
 898         uint32_t tcp_watch_address_cntl;
 899         uint32_t sq_watch_address_cntl;
 900
 901         watch_address_low = lower_32_bits(watch_address);
 902         watch_address_high = upper_32_bits(watch_address) & 0xffff;
 903
 904         tcp_watch_address_cntl = 0;
 905         tcp_watch_address_cntl = REG_SET_FIELD(tcp_watch_address_cntl,
 906                         TCP_WATCH0_CNTL,
 907                         VMID,
 908                         debug_vmid);
 909         tcp_watch_address_cntl = REG_SET_FIELD(tcp_watch_address_cntl,
 910                         TCP_WATCH0_CNTL,
 911                         MODE,
 912                         watch_mode);
 913         tcp_watch_address_cntl = REG_SET_FIELD(tcp_watch_address_cntl,
 914                         TCP_WATCH0_CNTL,
 915                         MASK,
 916                         watch_address_mask >> 7);
 917
 918         sq_watch_address_cntl = 0;
 919         sq_watch_address_cntl = REG_SET_FIELD(sq_watch_address_cntl,
 920                         SQ_WATCH0_CNTL,
 921                         VMID,
 922                         debug_vmid);
 923         sq_watch_address_cntl = REG_SET_FIELD(sq_watch_address_cntl,
 924                         SQ_WATCH0_CNTL,
 925                         MODE,
 926                         watch_mode);
 927         sq_watch_address_cntl = REG_SET_FIELD(sq_watch_address_cntl,
 928                         SQ_WATCH0_CNTL,
 929                         MASK,
 930                         watch_address_mask >> 6);
 931
 932         /* Turning off this watch point until we set all the registers */
 933         tcp_watch_address_cntl = REG_SET_FIELD(tcp_watch_address_cntl,
 934                         TCP_WATCH0_CNTL,
 935                         VALID,
 936                         0);
 937         WREG32((SOC15_REG_OFFSET(GC, 0, mmTCP_WATCH0_CNTL) +
 938                         (watch_id * TCP_WATCH_STRIDE)),
 939                         tcp_watch_address_cntl);
 940
 941         sq_watch_address_cntl = REG_SET_FIELD(sq_watch_address_cntl,
 942                         SQ_WATCH0_CNTL,
 943                         VALID,
 944                         0);
 945         WREG32((SOC15_REG_OFFSET(GC, 0, mmSQ_WATCH0_CNTL) +
 946                         (watch_id * SQ_WATCH_STRIDE)),
 947                         sq_watch_address_cntl);
 948
 949         /* Program {TCP,SQ}_WATCH?_ADDR* */
 950         WREG32((SOC15_REG_OFFSET(GC, 0, mmTCP_WATCH0_ADDR_H) +
 951                         (watch_id * TCP_WATCH_STRIDE)),
 952                         watch_address_high);
 953         WREG32((SOC15_REG_OFFSET(GC, 0, mmTCP_WATCH0_ADDR_L) +
 954                         (watch_id * TCP_WATCH_STRIDE)),
 955                         watch_address_low);
 956
 957         WREG32((SOC15_REG_OFFSET(GC, 0, mmSQ_WATCH0_ADDR_H) +
 958                         (watch_id * SQ_WATCH_STRIDE)),
 959                         watch_address_high);
 960         WREG32((SOC15_REG_OFFSET(GC, 0, mmSQ_WATCH0_ADDR_L) +
 961                         (watch_id * SQ_WATCH_STRIDE)),
 962                         watch_address_low);
 963
 964         /* Enable the watch point */
 965         tcp_watch_address_cntl = REG_SET_FIELD(tcp_watch_address_cntl,
 966                         TCP_WATCH0_CNTL,
 967                         VALID,
 968                         1);
 969         WREG32((SOC15_REG_OFFSET(GC, 0, mmTCP_WATCH0_CNTL) +
 970                         (watch_id * TCP_WATCH_STRIDE)),
 971                         tcp_watch_address_cntl);
 972
 973         sq_watch_address_cntl = REG_SET_FIELD(sq_watch_address_cntl,
 974                         SQ_WATCH0_CNTL,
 975                         VALID,
 976                         1);
 977         WREG32((SOC15_REG_OFFSET(GC, 0, mmSQ_WATCH0_CNTL) +
 978                         (watch_id * SQ_WATCH_STRIDE)),
 979                         sq_watch_address_cntl);
 980
 981         return 0;
 982 }
 983
 984 uint32_t kgd_gfx_v10_clear_address_watch(struct amdgpu_device *adev,
 985                                         uint32_t watch_id)
 986 {
 987         uint32_t watch_address_cntl;
 988
 989         watch_address_cntl = 0;
 990
 991         WREG32((SOC15_REG_OFFSET(GC, 0, mmTCP_WATCH0_CNTL) +
 992                         (watch_id * TCP_WATCH_STRIDE)),
 993                         watch_address_cntl);
 994
 995         WREG32((SOC15_REG_OFFSET(GC, 0, mmSQ_WATCH0_CNTL) +
 996                         (watch_id * SQ_WATCH_STRIDE)),
 997                         watch_address_cntl);
 998
 999         return 0;
1000 }
1001 #undef TCP_WATCH_STRIDE
1002 #undef SQ_WATCH_STRIDE
1003
1004
1005 /* kgd_gfx_v10_get_iq_wait_times: Returns the mmCP_IQ_WAIT_TIME1/2 values
1006  * The values read are:
1007  *     ib_offload_wait_time     -- Wait Count for Indirect Buffer Offloads.
1008  *     atomic_offload_wait_time -- Wait Count for L2 and GDS Atomics Offloads.
1009  *     wrm_offload_wait_time    -- Wait Count for WAIT_REG_MEM Offloads.
1010  *     gws_wait_time            -- Wait Count for Global Wave Syncs.
1011  *     que_sleep_wait_time      -- Wait Count for Dequeue Retry.
1012  *     sch_wave_wait_time       -- Wait Count for Scheduling Wave Message.
1013  *     sem_rearm_wait_time      -- Wait Count for Semaphore re-arm.
1014  *     deq_retry_wait_time      -- Wait Count for Global Wave Syncs.
1015  */
1016 void kgd_gfx_v10_get_iq_wait_times(struct amdgpu_device *adev,
1017                                         uint32_t *wait_times,
1018                                         uint32_t inst)
1019
1020 {
1021         *wait_times = RREG32(SOC15_REG_OFFSET(GC, 0, mmCP_IQ_WAIT_TIME2));
1022 }
1023
1024 void kgd_gfx_v10_build_grace_period_packet_info(struct amdgpu_device *adev,
1025                                                 uint32_t wait_times,
1026                                                 uint32_t grace_period,
1027                                                 uint32_t *reg_offset,
1028                                                 uint32_t *reg_data)
1029 {
1030         *reg_data = wait_times;
1031
1032         /*
1033          * The CP cannont handle a 0 grace period input and will result in
1034          * an infinite grace period being set so set to 1 to prevent this.
1035          */
1036         if (grace_period == 0)
1037                 grace_period = 1;
1038
1039         *reg_data = REG_SET_FIELD(*reg_data,
1040                         CP_IQ_WAIT_TIME2,
1041                         SCH_WAVE,
1042                         grace_period);
1043
1044         *reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_IQ_WAIT_TIME2);
1045 }
1046
1047 static void program_trap_handler_settings(struct amdgpu_device *adev,
1048                 uint32_t vmid, uint64_t tba_addr, uint64_t tma_addr,
1049                 uint32_t inst)
1050 {
1051         lock_srbm(adev, 0, 0, 0, vmid);
1052
1053         /*
1054          * Program TBA registers
1055          */
1056         WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TBA_LO),
1057                         lower_32_bits(tba_addr >> 8));
1058         WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TBA_HI),
1059                         upper_32_bits(tba_addr >> 8) |
1060                         (1 << SQ_SHADER_TBA_HI__TRAP_EN__SHIFT));
1061
1062         /*
1063          * Program TMA registers
1064          */
1065         WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TMA_LO),
1066                         lower_32_bits(tma_addr >> 8));
1067         WREG32(SOC15_REG_OFFSET(GC, 0, mmSQ_SHADER_TMA_HI),
1068                         upper_32_bits(tma_addr >> 8));
1069
1070         unlock_srbm(adev);
1071 }
1072
1073 const struct kfd2kgd_calls gfx_v10_kfd2kgd = {
1074         .program_sh_mem_settings = kgd_program_sh_mem_settings,
1075         .set_pasid_vmid_mapping = kgd_set_pasid_vmid_mapping,
1076         .init_interrupts = kgd_init_interrupts,
1077         .hqd_load = kgd_hqd_load,
1078         .hiq_mqd_load = kgd_hiq_mqd_load,
1079         .hqd_sdma_load = kgd_hqd_sdma_load,
1080         .hqd_dump = kgd_hqd_dump,
1081         .hqd_sdma_dump = kgd_hqd_sdma_dump,
1082         .hqd_is_occupied = kgd_hqd_is_occupied,
1083         .hqd_sdma_is_occupied = kgd_hqd_sdma_is_occupied,
1084         .hqd_destroy = kgd_hqd_destroy,
1085         .hqd_sdma_destroy = kgd_hqd_sdma_destroy,
1086         .wave_control_execute = kgd_wave_control_execute,
1087         .get_atc_vmid_pasid_mapping_info =
1088                         get_atc_vmid_pasid_mapping_info,
1089         .set_vm_context_page_table_base = set_vm_context_page_table_base,
1090         .enable_debug_trap = kgd_gfx_v10_enable_debug_trap,
1091         .disable_debug_trap = kgd_gfx_v10_disable_debug_trap,
1092         .validate_trap_override_request = kgd_gfx_v10_validate_trap_override_request,
1093         .set_wave_launch_trap_override = kgd_gfx_v10_set_wave_launch_trap_override,
1094         .set_wave_launch_mode = kgd_gfx_v10_set_wave_launch_mode,
1095         .set_address_watch = kgd_gfx_v10_set_address_watch,
1096         .clear_address_watch = kgd_gfx_v10_clear_address_watch,
1097         .get_iq_wait_times = kgd_gfx_v10_get_iq_wait_times,
1098         .build_grace_period_packet_info = kgd_gfx_v10_build_grace_period_packet_info,
1099         .program_trap_handler_settings = program_trap_handler_settings,
1100 };