xref: /third_party/mesa3d/src/gallium/drivers/radeonsi/si_query.c

/*
 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
 * Copyright 2014 Marek Olšák <marek.olsak@amd.com>
 * Copyright 2018 Advanced Micro Devices, Inc.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * on the rights to use, copy, modify, merge, publish, distribute, sub
 * license, and/or sell copies of the Software, and to permit persons to whom
 * the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#include "si_query.h"
#include "si_build_pm4.h"

#include "amd/common/sid.h"
#include "si_pipe.h"
#include "util/os_time.h"
#include "util/u_memory.h"
#include "util/u_suballoc.h"
#include "util/u_upload_mgr.h"

static const struct si_query_ops query_hw_ops;

struct si_hw_query_params {
   unsigned start_offset;
   unsigned end_offset;
   unsigned fence_offset;
   unsigned pair_stride;
   unsigned pair_count;
};

/* Queries without buffer handling or suspend/resume. */
struct si_query_sw {
   struct si_query b;

   uint64_t begin_result;
   uint64_t end_result;

   uint64_t begin_time;
   uint64_t end_time;

   /* Fence for GPU_FINISHED. */
   struct pipe_fence_handle *fence;
};

static void si_query_sw_destroy(struct si_context *sctx, struct si_query *squery)
{
   struct si_query_sw *query = (struct si_query_sw *)squery;

   sctx->b.screen->fence_reference(sctx->b.screen, &query->fence, NULL);
   FREE(query);
}

static enum radeon_value_id winsys_id_from_type(unsigned type)
{
   switch (type) {
   case SI_QUERY_REQUESTED_VRAM:
      return RADEON_REQUESTED_VRAM_MEMORY;
   case SI_QUERY_REQUESTED_GTT:
      return RADEON_REQUESTED_GTT_MEMORY;
   case SI_QUERY_MAPPED_VRAM:
      return RADEON_MAPPED_VRAM;
   case SI_QUERY_MAPPED_GTT:
      return RADEON_MAPPED_GTT;
   case SI_QUERY_SLAB_WASTED_VRAM:
      return RADEON_SLAB_WASTED_VRAM;
   case SI_QUERY_SLAB_WASTED_GTT:
      return RADEON_SLAB_WASTED_GTT;
   case SI_QUERY_BUFFER_WAIT_TIME:
      return RADEON_BUFFER_WAIT_TIME_NS;
   case SI_QUERY_NUM_MAPPED_BUFFERS:
      return RADEON_NUM_MAPPED_BUFFERS;
   case SI_QUERY_NUM_GFX_IBS:
      return RADEON_NUM_GFX_IBS;
   case SI_QUERY_GFX_BO_LIST_SIZE:
      return RADEON_GFX_BO_LIST_COUNTER;
   case SI_QUERY_GFX_IB_SIZE:
      return RADEON_GFX_IB_SIZE_COUNTER;
   case SI_QUERY_NUM_BYTES_MOVED:
      return RADEON_NUM_BYTES_MOVED;
   case SI_QUERY_NUM_EVICTIONS:
      return RADEON_NUM_EVICTIONS;
   case SI_QUERY_NUM_VRAM_CPU_PAGE_FAULTS:
      return RADEON_NUM_VRAM_CPU_PAGE_FAULTS;
   case SI_QUERY_VRAM_USAGE:
      return RADEON_VRAM_USAGE;
   case SI_QUERY_VRAM_VIS_USAGE:
      return RADEON_VRAM_VIS_USAGE;
   case SI_QUERY_GTT_USAGE:
      return RADEON_GTT_USAGE;
   case SI_QUERY_GPU_TEMPERATURE:
      return RADEON_GPU_TEMPERATURE;
   case SI_QUERY_CURRENT_GPU_SCLK:
      return RADEON_CURRENT_SCLK;
   case SI_QUERY_CURRENT_GPU_MCLK:
      return RADEON_CURRENT_MCLK;
   case SI_QUERY_CS_THREAD_BUSY:
      return RADEON_CS_THREAD_TIME;
   default:
      unreachable("query type does not correspond to winsys id");
   }
}

static bool si_query_sw_begin(struct si_context *sctx, struct si_query *squery)
{
   struct si_query_sw *query = (struct si_query_sw *)squery;
   enum radeon_value_id ws_id;

   switch (query->b.type) {
   case PIPE_QUERY_TIMESTAMP_DISJOINT:
   case PIPE_QUERY_GPU_FINISHED:
      break;
   case SI_QUERY_DRAW_CALLS:
      query->begin_result = sctx->num_draw_calls;
      break;
   case SI_QUERY_DECOMPRESS_CALLS:
      query->begin_result = sctx->num_decompress_calls;
      break;
   case SI_QUERY_PRIM_RESTART_CALLS:
      query->begin_result = sctx->num_prim_restart_calls;
      break;
   case SI_QUERY_COMPUTE_CALLS:
      query->begin_result = sctx->num_compute_calls;
      break;
   case SI_QUERY_CP_DMA_CALLS:
      query->begin_result = sctx->num_cp_dma_calls;
      break;
   case SI_QUERY_NUM_VS_FLUSHES:
      query->begin_result = sctx->num_vs_flushes;
      break;
   case SI_QUERY_NUM_PS_FLUSHES:
      query->begin_result = sctx->num_ps_flushes;
      break;
   case SI_QUERY_NUM_CS_FLUSHES:
      query->begin_result = sctx->num_cs_flushes;
      break;
   case SI_QUERY_NUM_CB_CACHE_FLUSHES:
      query->begin_result = sctx->num_cb_cache_flushes;
      break;
   case SI_QUERY_NUM_DB_CACHE_FLUSHES:
      query->begin_result = sctx->num_db_cache_flushes;
      break;
   case SI_QUERY_NUM_L2_INVALIDATES:
      query->begin_result = sctx->num_L2_invalidates;
      break;
   case SI_QUERY_NUM_L2_WRITEBACKS:
      query->begin_result = sctx->num_L2_writebacks;
      break;
   case SI_QUERY_NUM_RESIDENT_HANDLES:
      query->begin_result = sctx->num_resident_handles;
      break;
   case SI_QUERY_TC_OFFLOADED_SLOTS:
      query->begin_result = sctx->tc ? sctx->tc->num_offloaded_slots : 0;
      break;
   case SI_QUERY_TC_DIRECT_SLOTS:
      query->begin_result = sctx->tc ? sctx->tc->num_direct_slots : 0;
      break;
   case SI_QUERY_TC_NUM_SYNCS:
      query->begin_result = sctx->tc ? sctx->tc->num_syncs : 0;
      break;
   case SI_QUERY_REQUESTED_VRAM:
   case SI_QUERY_REQUESTED_GTT:
   case SI_QUERY_MAPPED_VRAM:
   case SI_QUERY_MAPPED_GTT:
   case SI_QUERY_SLAB_WASTED_VRAM:
   case SI_QUERY_SLAB_WASTED_GTT:
   case SI_QUERY_VRAM_USAGE:
   case SI_QUERY_VRAM_VIS_USAGE:
   case SI_QUERY_GTT_USAGE:
   case SI_QUERY_GPU_TEMPERATURE:
   case SI_QUERY_CURRENT_GPU_SCLK:
   case SI_QUERY_CURRENT_GPU_MCLK:
   case SI_QUERY_BACK_BUFFER_PS_DRAW_RATIO:
   case SI_QUERY_NUM_MAPPED_BUFFERS:
      query->begin_result = 0;
      break;
   case SI_QUERY_BUFFER_WAIT_TIME:
   case SI_QUERY_GFX_IB_SIZE:
   case SI_QUERY_NUM_GFX_IBS:
   case SI_QUERY_NUM_BYTES_MOVED:
   case SI_QUERY_NUM_EVICTIONS:
   case SI_QUERY_NUM_VRAM_CPU_PAGE_FAULTS: {
      enum radeon_value_id ws_id = winsys_id_from_type(query->b.type);
      query->begin_result = sctx->ws->query_value(sctx->ws, ws_id);
      break;
   }
   case SI_QUERY_GFX_BO_LIST_SIZE:
      ws_id = winsys_id_from_type(query->b.type);
      query->begin_result = sctx->ws->query_value(sctx->ws, ws_id);
      query->begin_time = sctx->ws->query_value(sctx->ws, RADEON_NUM_GFX_IBS);
      break;
   case SI_QUERY_CS_THREAD_BUSY:
      ws_id = winsys_id_from_type(query->b.type);
      query->begin_result = sctx->ws->query_value(sctx->ws, ws_id);
      query->begin_time = os_time_get_nano();
      break;
   case SI_QUERY_GALLIUM_THREAD_BUSY:
      query->begin_result = sctx->tc ? util_queue_get_thread_time_nano(&sctx->tc->queue, 0) : 0;
      query->begin_time = os_time_get_nano();
      break;
   case SI_QUERY_GPU_LOAD:
   case SI_QUERY_GPU_SHADERS_BUSY:
   case SI_QUERY_GPU_TA_BUSY:
   case SI_QUERY_GPU_GDS_BUSY:
   case SI_QUERY_GPU_VGT_BUSY:
   case SI_QUERY_GPU_IA_BUSY:
   case SI_QUERY_GPU_SX_BUSY:
   case SI_QUERY_GPU_WD_BUSY:
   case SI_QUERY_GPU_BCI_BUSY:
   case SI_QUERY_GPU_SC_BUSY:
   case SI_QUERY_GPU_PA_BUSY:
   case SI_QUERY_GPU_DB_BUSY:
   case SI_QUERY_GPU_CP_BUSY:
   case SI_QUERY_GPU_CB_BUSY:
   case SI_QUERY_GPU_SDMA_BUSY:
   case SI_QUERY_GPU_PFP_BUSY:
   case SI_QUERY_GPU_MEQ_BUSY:
   case SI_QUERY_GPU_ME_BUSY:
   case SI_QUERY_GPU_SURF_SYNC_BUSY:
   case SI_QUERY_GPU_CP_DMA_BUSY:
   case SI_QUERY_GPU_SCRATCH_RAM_BUSY:
      query->begin_result = si_begin_counter(sctx->screen, query->b.type);
      break;
   case SI_QUERY_NUM_COMPILATIONS:
      query->begin_result = p_atomic_read(&sctx->screen->num_compilations);
      break;
   case SI_QUERY_NUM_SHADERS_CREATED:
      query->begin_result = p_atomic_read(&sctx->screen->num_shaders_created);
      break;
   case SI_QUERY_LIVE_SHADER_CACHE_HITS:
      query->begin_result = sctx->screen->live_shader_cache.hits;
      break;
   case SI_QUERY_LIVE_SHADER_CACHE_MISSES:
      query->begin_result = sctx->screen->live_shader_cache.misses;
      break;
   case SI_QUERY_MEMORY_SHADER_CACHE_HITS:
      query->begin_result = sctx->screen->num_memory_shader_cache_hits;
      break;
   case SI_QUERY_MEMORY_SHADER_CACHE_MISSES:
      query->begin_result = sctx->screen->num_memory_shader_cache_misses;
      break;
   case SI_QUERY_DISK_SHADER_CACHE_HITS:
      query->begin_result = sctx->screen->num_disk_shader_cache_hits;
      break;
   case SI_QUERY_DISK_SHADER_CACHE_MISSES:
      query->begin_result = sctx->screen->num_disk_shader_cache_misses;
      break;
   case SI_QUERY_GPIN_ASIC_ID:
   case SI_QUERY_GPIN_NUM_SIMD:
   case SI_QUERY_GPIN_NUM_RB:
   case SI_QUERY_GPIN_NUM_SPI:
   case SI_QUERY_GPIN_NUM_SE:
      break;
   default:
      unreachable("si_query_sw_begin: bad query type");
   }

   return true;
}

static bool si_query_sw_end(struct si_context *sctx, struct si_query *squery)
{
   struct si_query_sw *query = (struct si_query_sw *)squery;
   enum radeon_value_id ws_id;

   switch (query->b.type) {
   case PIPE_QUERY_TIMESTAMP_DISJOINT:
      break;
   case PIPE_QUERY_GPU_FINISHED:
      sctx->b.flush(&sctx->b, &query->fence, PIPE_FLUSH_DEFERRED);
      break;
   case SI_QUERY_DRAW_CALLS:
      query->end_result = sctx->num_draw_calls;
      break;
   case SI_QUERY_DECOMPRESS_CALLS:
      query->end_result = sctx->num_decompress_calls;
      break;
   case SI_QUERY_PRIM_RESTART_CALLS:
      query->end_result = sctx->num_prim_restart_calls;
      break;
   case SI_QUERY_COMPUTE_CALLS:
      query->end_result = sctx->num_compute_calls;
      break;
   case SI_QUERY_CP_DMA_CALLS:
      query->end_result = sctx->num_cp_dma_calls;
      break;
   case SI_QUERY_NUM_VS_FLUSHES:
      query->end_result = sctx->num_vs_flushes;
      break;
   case SI_QUERY_NUM_PS_FLUSHES:
      query->end_result = sctx->num_ps_flushes;
      break;
   case SI_QUERY_NUM_CS_FLUSHES:
      query->end_result = sctx->num_cs_flushes;
      break;
   case SI_QUERY_NUM_CB_CACHE_FLUSHES:
      query->end_result = sctx->num_cb_cache_flushes;
      break;
   case SI_QUERY_NUM_DB_CACHE_FLUSHES:
      query->end_result = sctx->num_db_cache_flushes;
      break;
   case SI_QUERY_NUM_L2_INVALIDATES:
      query->end_result = sctx->num_L2_invalidates;
      break;
   case SI_QUERY_NUM_L2_WRITEBACKS:
      query->end_result = sctx->num_L2_writebacks;
      break;
   case SI_QUERY_NUM_RESIDENT_HANDLES:
      query->end_result = sctx->num_resident_handles;
      break;
   case SI_QUERY_TC_OFFLOADED_SLOTS:
      query->end_result = sctx->tc ? sctx->tc->num_offloaded_slots : 0;
      break;
   case SI_QUERY_TC_DIRECT_SLOTS:
      query->end_result = sctx->tc ? sctx->tc->num_direct_slots : 0;
      break;
   case SI_QUERY_TC_NUM_SYNCS:
      query->end_result = sctx->tc ? sctx->tc->num_syncs : 0;
      break;
   case SI_QUERY_REQUESTED_VRAM:
   case SI_QUERY_REQUESTED_GTT:
   case SI_QUERY_MAPPED_VRAM:
   case SI_QUERY_MAPPED_GTT:
   case SI_QUERY_SLAB_WASTED_VRAM:
   case SI_QUERY_SLAB_WASTED_GTT:
   case SI_QUERY_VRAM_USAGE:
   case SI_QUERY_VRAM_VIS_USAGE:
   case SI_QUERY_GTT_USAGE:
   case SI_QUERY_GPU_TEMPERATURE:
   case SI_QUERY_CURRENT_GPU_SCLK:
   case SI_QUERY_CURRENT_GPU_MCLK:
   case SI_QUERY_BUFFER_WAIT_TIME:
   case SI_QUERY_GFX_IB_SIZE:
   case SI_QUERY_NUM_MAPPED_BUFFERS:
   case SI_QUERY_NUM_GFX_IBS:
   case SI_QUERY_NUM_BYTES_MOVED:
   case SI_QUERY_NUM_EVICTIONS:
   case SI_QUERY_NUM_VRAM_CPU_PAGE_FAULTS: {
      enum radeon_value_id ws_id = winsys_id_from_type(query->b.type);
      query->end_result = sctx->ws->query_value(sctx->ws, ws_id);
      break;
   }
   case SI_QUERY_GFX_BO_LIST_SIZE:
      ws_id = winsys_id_from_type(query->b.type);
      query->end_result = sctx->ws->query_value(sctx->ws, ws_id);
      query->end_time = sctx->ws->query_value(sctx->ws, RADEON_NUM_GFX_IBS);
      break;
   case SI_QUERY_CS_THREAD_BUSY:
      ws_id = winsys_id_from_type(query->b.type);
      query->end_result = sctx->ws->query_value(sctx->ws, ws_id);
      query->end_time = os_time_get_nano();
      break;
   case SI_QUERY_GALLIUM_THREAD_BUSY:
      query->end_result = sctx->tc ? util_queue_get_thread_time_nano(&sctx->tc->queue, 0) : 0;
      query->end_time = os_time_get_nano();
      break;
   case SI_QUERY_GPU_LOAD:
   case SI_QUERY_GPU_SHADERS_BUSY:
   case SI_QUERY_GPU_TA_BUSY:
   case SI_QUERY_GPU_GDS_BUSY:
   case SI_QUERY_GPU_VGT_BUSY:
   case SI_QUERY_GPU_IA_BUSY:
   case SI_QUERY_GPU_SX_BUSY:
   case SI_QUERY_GPU_WD_BUSY:
   case SI_QUERY_GPU_BCI_BUSY:
   case SI_QUERY_GPU_SC_BUSY:
   case SI_QUERY_GPU_PA_BUSY:
   case SI_QUERY_GPU_DB_BUSY:
   case SI_QUERY_GPU_CP_BUSY:
   case SI_QUERY_GPU_CB_BUSY:
   case SI_QUERY_GPU_SDMA_BUSY:
   case SI_QUERY_GPU_PFP_BUSY:
   case SI_QUERY_GPU_MEQ_BUSY:
   case SI_QUERY_GPU_ME_BUSY:
   case SI_QUERY_GPU_SURF_SYNC_BUSY:
   case SI_QUERY_GPU_CP_DMA_BUSY:
   case SI_QUERY_GPU_SCRATCH_RAM_BUSY:
      query->end_result = si_end_counter(sctx->screen, query->b.type, query->begin_result);
      query->begin_result = 0;
      break;
   case SI_QUERY_NUM_COMPILATIONS:
      query->end_result = p_atomic_read(&sctx->screen->num_compilations);
      break;
   case SI_QUERY_NUM_SHADERS_CREATED:
      query->end_result = p_atomic_read(&sctx->screen->num_shaders_created);
      break;
   case SI_QUERY_BACK_BUFFER_PS_DRAW_RATIO:
      query->end_result = sctx->last_tex_ps_draw_ratio;
      break;
   case SI_QUERY_LIVE_SHADER_CACHE_HITS:
      query->end_result = sctx->screen->live_shader_cache.hits;
      break;
   case SI_QUERY_LIVE_SHADER_CACHE_MISSES:
      query->end_result = sctx->screen->live_shader_cache.misses;
      break;
   case SI_QUERY_MEMORY_SHADER_CACHE_HITS:
      query->end_result = sctx->screen->num_memory_shader_cache_hits;
      break;
   case SI_QUERY_MEMORY_SHADER_CACHE_MISSES:
      query->end_result = sctx->screen->num_memory_shader_cache_misses;
      break;
   case SI_QUERY_DISK_SHADER_CACHE_HITS:
      query->end_result = sctx->screen->num_disk_shader_cache_hits;
      break;
   case SI_QUERY_DISK_SHADER_CACHE_MISSES:
      query->end_result = sctx->screen->num_disk_shader_cache_misses;
      break;
   case SI_QUERY_GPIN_ASIC_ID:
   case SI_QUERY_GPIN_NUM_SIMD:
   case SI_QUERY_GPIN_NUM_RB:
   case SI_QUERY_GPIN_NUM_SPI:
   case SI_QUERY_GPIN_NUM_SE:
      break;
   default:
      unreachable("si_query_sw_end: bad query type");
   }

   return true;
}

static bool si_query_sw_get_result(struct si_context *sctx, struct si_query *squery, bool wait,
                                   union pipe_query_result *result)
{
   struct si_query_sw *query = (struct si_query_sw *)squery;

   switch (query->b.type) {
   case PIPE_QUERY_TIMESTAMP_DISJOINT:
      /* Convert from cycles per millisecond to cycles per second (Hz). */
      result->timestamp_disjoint.frequency = (uint64_t)sctx->screen->info.clock_crystal_freq * 1000;
      result->timestamp_disjoint.disjoint = false;
      return true;
   case PIPE_QUERY_GPU_FINISHED: {
      struct pipe_screen *screen = sctx->b.screen;
      struct pipe_context *ctx = squery->b.flushed ? NULL : &sctx->b;

      result->b = screen->fence_finish(screen, ctx, query->fence, wait ? PIPE_TIMEOUT_INFINITE : 0);
      return result->b;
   }

   case SI_QUERY_GFX_BO_LIST_SIZE:
      result->u64 =
         (query->end_result - query->begin_result) / (query->end_time - query->begin_time);
      return true;
   case SI_QUERY_CS_THREAD_BUSY:
   case SI_QUERY_GALLIUM_THREAD_BUSY:
      result->u64 =
         (query->end_result - query->begin_result) * 100 / (query->end_time - query->begin_time);
      return true;
   case SI_QUERY_GPIN_ASIC_ID:
      result->u32 = 0;
      return true;
   case SI_QUERY_GPIN_NUM_SIMD:
      result->u32 = sctx->screen->info.num_good_compute_units;
      return true;
   case SI_QUERY_GPIN_NUM_RB:
      result->u32 = sctx->screen->info.max_render_backends;
      return true;
   case SI_QUERY_GPIN_NUM_SPI:
      result->u32 = 1; /* all supported chips have one SPI per SE */
      return true;
   case SI_QUERY_GPIN_NUM_SE:
      result->u32 = sctx->screen->info.max_se;
      return true;
   }

   result->u64 = query->end_result - query->begin_result;

   switch (query->b.type) {
   case SI_QUERY_BUFFER_WAIT_TIME:
   case SI_QUERY_GPU_TEMPERATURE:
      result->u64 /= 1000;
      break;
   case SI_QUERY_CURRENT_GPU_SCLK:
   case SI_QUERY_CURRENT_GPU_MCLK:
      result->u64 *= 1000000;
      break;
   }

   return true;
}

static const struct si_query_ops sw_query_ops = {.destroy = si_query_sw_destroy,
                                                 .begin = si_query_sw_begin,
                                                 .end = si_query_sw_end,
                                                 .get_result = si_query_sw_get_result,
                                                 .get_result_resource = NULL};

static struct pipe_query *si_query_sw_create(unsigned query_type)
{
   struct si_query_sw *query;

   query = CALLOC_STRUCT(si_query_sw);
   if (!query)
      return NULL;

   query->b.type = query_type;
   query->b.ops = &sw_query_ops;

   return (struct pipe_query *)query;
}

void si_query_buffer_destroy(struct si_screen *sscreen, struct si_query_buffer *buffer)
{
   struct si_query_buffer *prev = buffer->previous;

   /* Release all query buffers. */
   while (prev) {
      struct si_query_buffer *qbuf = prev;
      prev = prev->previous;
      si_resource_reference(&qbuf->buf, NULL);
      FREE(qbuf);
   }

   si_resource_reference(&buffer->buf, NULL);
}

void si_query_buffer_reset(struct si_context *sctx, struct si_query_buffer *buffer)
{
   /* Discard all query buffers except for the oldest. */
   while (buffer->previous) {
      struct si_query_buffer *qbuf = buffer->previous;
      buffer->previous = qbuf->previous;

      si_resource_reference(&buffer->buf, NULL);
      buffer->buf = qbuf->buf; /* move ownership */
      FREE(qbuf);
   }
   buffer->results_end = 0;

   if (!buffer->buf)
      return;

   /* Discard even the oldest buffer if it can't be mapped without a stall. */
   if (si_cs_is_buffer_referenced(sctx, buffer->buf->buf, RADEON_USAGE_READWRITE) ||
       !sctx->ws->buffer_wait(sctx->ws, buffer->buf->buf, 0, RADEON_USAGE_READWRITE)) {
      si_resource_reference(&buffer->buf, NULL);
   } else {
      buffer->unprepared = true;
   }
}

bool si_query_buffer_alloc(struct si_context *sctx, struct si_query_buffer *buffer,
                           bool (*prepare_buffer)(struct si_context *, struct si_query_buffer *),
                           unsigned size)
{
   bool unprepared = buffer->unprepared;
   buffer->unprepared = false;

   if (!buffer->buf || buffer->results_end + size > buffer->buf->b.b.width0) {
      if (buffer->buf) {
         struct si_query_buffer *qbuf = MALLOC_STRUCT(si_query_buffer);
         memcpy(qbuf, buffer, sizeof(*qbuf));
         buffer->previous = qbuf;
      }
      buffer->results_end = 0;

      /* Queries are normally read by the CPU after
       * being written by the gpu, hence staging is probably a good
       * usage pattern.
       */
      struct si_screen *screen = sctx->screen;
      unsigned buf_size = MAX2(size, screen->info.min_alloc_size);
      buffer->buf = si_resource(pipe_buffer_create(&screen->b, 0, PIPE_USAGE_STAGING, buf_size));
      if (unlikely(!buffer->buf))
         return false;
      unprepared = true;
   }

   if (unprepared && prepare_buffer) {
      if (unlikely(!prepare_buffer(sctx, buffer))) {
         si_resource_reference(&buffer->buf, NULL);
         return false;
      }
   }

   return true;
}

void si_query_hw_destroy(struct si_context *sctx, struct si_query *squery)
{
   struct si_query_hw *query = (struct si_query_hw *)squery;

   si_query_buffer_destroy(sctx->screen, &query->buffer);
   si_resource_reference(&query->workaround_buf, NULL);
   FREE(squery);
}

static bool si_query_hw_prepare_buffer(struct si_context *sctx, struct si_query_buffer *qbuf)
{
   struct si_query_hw *query = container_of(qbuf, struct si_query_hw, buffer);
   struct si_screen *screen = sctx->screen;

   /* The caller ensures that the buffer is currently unused by the GPU. */
   uint32_t *results = screen->ws->buffer_map(sctx->ws, qbuf->buf->buf, NULL,
                                              PIPE_MAP_WRITE | PIPE_MAP_UNSYNCHRONIZED);
   if (!results)
      return false;

   memset(results, 0, qbuf->buf->b.b.width0);

   if (query->b.type == PIPE_QUERY_OCCLUSION_COUNTER ||
       query->b.type == PIPE_QUERY_OCCLUSION_PREDICATE ||
       query->b.type == PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE) {
      unsigned max_rbs = screen->info.max_render_backends;
      unsigned enabled_rb_mask = screen->info.enabled_rb_mask;
      unsigned num_results;
      unsigned i, j;

      /* Set top bits for unused backends. */
      num_results = qbuf->buf->b.b.width0 / query->result_size;
      for (j = 0; j < num_results; j++) {
         for (i = 0; i < max_rbs; i++) {
            if (!(enabled_rb_mask & (1 << i))) {
               results[(i * 4) + 1] = 0x80000000;
               results[(i * 4) + 3] = 0x80000000;
            }
         }
         results += 4 * max_rbs;
      }
   }

   return true;
}

static void si_query_hw_get_result_resource(struct si_context *sctx, struct si_query *squery,
                                            bool wait, enum pipe_query_value_type result_type,
                                            int index, struct pipe_resource *resource,
                                            unsigned offset);

static void si_query_hw_do_emit_start(struct si_context *sctx, struct si_query_hw *query,
                                      struct si_resource *buffer, uint64_t va);
static void si_query_hw_do_emit_stop(struct si_context *sctx, struct si_query_hw *query,
                                     struct si_resource *buffer, uint64_t va);
static void si_query_hw_add_result(struct si_screen *sscreen, struct si_query_hw *, void *buffer,
                                   union pipe_query_result *result);
static void si_query_hw_clear_result(struct si_query_hw *, union pipe_query_result *);

static struct si_query_hw_ops query_hw_default_hw_ops = {
   .prepare_buffer = si_query_hw_prepare_buffer,
   .emit_start = si_query_hw_do_emit_start,
   .emit_stop = si_query_hw_do_emit_stop,
   .clear_result = si_query_hw_clear_result,
   .add_result = si_query_hw_add_result,
};

static struct pipe_query *si_query_hw_create(struct si_screen *sscreen, unsigned query_type,
                                             unsigned index)
{
   struct si_query_hw *query = CALLOC_STRUCT(si_query_hw);
   if (!query)
      return NULL;

   query->b.type = query_type;
   query->b.ops = &query_hw_ops;
   query->ops = &query_hw_default_hw_ops;

   switch (query_type) {
   case PIPE_QUERY_OCCLUSION_COUNTER:
   case PIPE_QUERY_OCCLUSION_PREDICATE:
   case PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE:
      query->result_size = 16 * sscreen->info.max_render_backends;
      query->result_size += 16; /* for the fence + alignment */
      query->b.num_cs_dw_suspend = 6 + si_cp_write_fence_dwords(sscreen);
      break;
   case PIPE_QUERY_TIME_ELAPSED:
      query->result_size = 24;
      query->b.num_cs_dw_suspend = 8 + si_cp_write_fence_dwords(sscreen);
      break;
   case PIPE_QUERY_TIMESTAMP:
      query->result_size = 16;
      query->b.num_cs_dw_suspend = 8 + si_cp_write_fence_dwords(sscreen);
      query->flags = SI_QUERY_HW_FLAG_NO_START;
      break;
   case PIPE_QUERY_PRIMITIVES_EMITTED:
   case PIPE_QUERY_PRIMITIVES_GENERATED:
   case PIPE_QUERY_SO_STATISTICS:
   case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
      /* NumPrimitivesWritten, PrimitiveStorageNeeded. */
      query->result_size = 32;
      query->b.num_cs_dw_suspend = 6;
      query->stream = index;
      break;
   case PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE:
      /* NumPrimitivesWritten, PrimitiveStorageNeeded. */
      query->result_size = 32 * SI_MAX_STREAMS;
      query->b.num_cs_dw_suspend = 6 * SI_MAX_STREAMS;
      break;
   case PIPE_QUERY_PIPELINE_STATISTICS:
      /* 11 values on GCN. */
      query->result_size = 11 * 16;
      query->result_size += 8; /* for the fence + alignment */
      query->b.num_cs_dw_suspend = 6 + si_cp_write_fence_dwords(sscreen);
      break;
   default:
      assert(0);
      FREE(query);
      return NULL;
   }

   return (struct pipe_query *)query;
}

static void si_update_occlusion_query_state(struct si_context *sctx, unsigned type, int diff)
{
   if (type == PIPE_QUERY_OCCLUSION_COUNTER || type == PIPE_QUERY_OCCLUSION_PREDICATE ||
       type == PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE) {
      bool old_enable = sctx->num_occlusion_queries != 0;
      bool old_perfect_enable = sctx->num_perfect_occlusion_queries != 0;
      bool enable, perfect_enable;

      sctx->num_occlusion_queries += diff;
      assert(sctx->num_occlusion_queries >= 0);

      if (type != PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE) {
         sctx->num_perfect_occlusion_queries += diff;
         assert(sctx->num_perfect_occlusion_queries >= 0);
      }

      enable = sctx->num_occlusion_queries != 0;
      perfect_enable = sctx->num_perfect_occlusion_queries != 0;

      if (enable != old_enable || perfect_enable != old_perfect_enable) {
         si_set_occlusion_query_state(sctx, old_perfect_enable);
      }
   }
}

static unsigned event_type_for_stream(unsigned stream)
{
   switch (stream) {
   default:
   case 0:
      return V_028A90_SAMPLE_STREAMOUTSTATS;
   case 1:
      return V_028A90_SAMPLE_STREAMOUTSTATS1;
   case 2:
      return V_028A90_SAMPLE_STREAMOUTSTATS2;
   case 3:
      return V_028A90_SAMPLE_STREAMOUTSTATS3;
   }
}

static void emit_sample_streamout(struct radeon_cmdbuf *cs, uint64_t va, unsigned stream)
{
   radeon_begin(cs);
   radeon_emit(PKT3(PKT3_EVENT_WRITE, 2, 0));
   radeon_emit(EVENT_TYPE(event_type_for_stream(stream)) | EVENT_INDEX(3));
   radeon_emit(va);
   radeon_emit(va >> 32);
   radeon_end();
}

static void si_query_hw_do_emit_start(struct si_context *sctx, struct si_query_hw *query,
                                      struct si_resource *buffer, uint64_t va)
{
   struct radeon_cmdbuf *cs = &sctx->gfx_cs;

   switch (query->b.type) {
   case PIPE_QUERY_OCCLUSION_COUNTER:
   case PIPE_QUERY_OCCLUSION_PREDICATE:
   case PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE: {
      radeon_begin(cs);
      radeon_emit(PKT3(PKT3_EVENT_WRITE, 2, 0));
      radeon_emit(EVENT_TYPE(V_028A90_ZPASS_DONE) | EVENT_INDEX(1));
      radeon_emit(va);
      radeon_emit(va >> 32);
      radeon_end();
      break;
   }
   case PIPE_QUERY_PRIMITIVES_EMITTED:
   case PIPE_QUERY_PRIMITIVES_GENERATED:
   case PIPE_QUERY_SO_STATISTICS:
   case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
      emit_sample_streamout(cs, va, query->stream);
      break;
   case PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE:
      for (unsigned stream = 0; stream < SI_MAX_STREAMS; ++stream)
         emit_sample_streamout(cs, va + 32 * stream, stream);
      break;
   case PIPE_QUERY_TIME_ELAPSED:
      si_cp_release_mem(sctx, cs, V_028A90_BOTTOM_OF_PIPE_TS, 0, EOP_DST_SEL_MEM, EOP_INT_SEL_NONE,
                        EOP_DATA_SEL_TIMESTAMP, NULL, va, 0, query->b.type);
      break;
   case PIPE_QUERY_PIPELINE_STATISTICS: {
      radeon_begin(cs);
      radeon_emit(PKT3(PKT3_EVENT_WRITE, 2, 0));
      radeon_emit(EVENT_TYPE(V_028A90_SAMPLE_PIPELINESTAT) | EVENT_INDEX(2));
      radeon_emit(va);
      radeon_emit(va >> 32);
      radeon_end();
      break;
   }
   default:
      assert(0);
   }
   radeon_add_to_buffer_list(sctx, &sctx->gfx_cs, query->buffer.buf, RADEON_USAGE_WRITE,
                             RADEON_PRIO_QUERY);
}

static void si_query_hw_emit_start(struct si_context *sctx, struct si_query_hw *query)
{
   uint64_t va;

   if (!si_query_buffer_alloc(sctx, &query->buffer, query->ops->prepare_buffer, query->result_size))
      return;

   si_update_occlusion_query_state(sctx, query->b.type, 1);
   si_update_prims_generated_query_state(sctx, query->b.type, 1);

   if (query->b.type == PIPE_QUERY_PIPELINE_STATISTICS)
      sctx->num_pipeline_stat_queries++;

   si_need_gfx_cs_space(sctx, 0);

   va = query->buffer.buf->gpu_address + query->buffer.results_end;
   query->ops->emit_start(sctx, query, query->buffer.buf, va);
}

static void si_query_hw_do_emit_stop(struct si_context *sctx, struct si_query_hw *query,
                                     struct si_resource *buffer, uint64_t va)
{
   struct radeon_cmdbuf *cs = &sctx->gfx_cs;
   uint64_t fence_va = 0;

   switch (query->b.type) {
   case PIPE_QUERY_OCCLUSION_COUNTER:
   case PIPE_QUERY_OCCLUSION_PREDICATE:
   case PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE: {
      va += 8;
      radeon_begin(cs);
      radeon_emit(PKT3(PKT3_EVENT_WRITE, 2, 0));
      radeon_emit(EVENT_TYPE(V_028A90_ZPASS_DONE) | EVENT_INDEX(1));
      radeon_emit(va);
      radeon_emit(va >> 32);
      radeon_end();

      fence_va = va + sctx->screen->info.max_render_backends * 16 - 8;
      break;
   }
   case PIPE_QUERY_PRIMITIVES_EMITTED:
   case PIPE_QUERY_PRIMITIVES_GENERATED:
   case PIPE_QUERY_SO_STATISTICS:
   case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
      va += 16;
      emit_sample_streamout(cs, va, query->stream);
      break;
   case PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE:
      va += 16;
      for (unsigned stream = 0; stream < SI_MAX_STREAMS; ++stream)
         emit_sample_streamout(cs, va + 32 * stream, stream);
      break;
   case PIPE_QUERY_TIME_ELAPSED:
      va += 8;
      FALLTHROUGH;
   case PIPE_QUERY_TIMESTAMP:
      si_cp_release_mem(sctx, cs, V_028A90_BOTTOM_OF_PIPE_TS, 0, EOP_DST_SEL_MEM, EOP_INT_SEL_NONE,
                        EOP_DATA_SEL_TIMESTAMP, NULL, va, 0, query->b.type);
      fence_va = va + 8;
      break;
   case PIPE_QUERY_PIPELINE_STATISTICS: {
      unsigned sample_size = (query->result_size - 8) / 2;

      va += sample_size;
      radeon_begin(cs);
      radeon_emit(PKT3(PKT3_EVENT_WRITE, 2, 0));
      radeon_emit(EVENT_TYPE(V_028A90_SAMPLE_PIPELINESTAT) | EVENT_INDEX(2));
      radeon_emit(va);
      radeon_emit(va >> 32);
      radeon_end();

      fence_va = va + sample_size;
      break;
   }
   default:
      assert(0);
   }
   radeon_add_to_buffer_list(sctx, &sctx->gfx_cs, query->buffer.buf, RADEON_USAGE_WRITE,
                             RADEON_PRIO_QUERY);

   if (fence_va) {
      si_cp_release_mem(sctx, cs, V_028A90_BOTTOM_OF_PIPE_TS, 0, EOP_DST_SEL_MEM, EOP_INT_SEL_NONE,
                        EOP_DATA_SEL_VALUE_32BIT, query->buffer.buf, fence_va, 0x80000000,
                        query->b.type);
   }
}

static void si_query_hw_emit_stop(struct si_context *sctx, struct si_query_hw *query)
{
   uint64_t va;

   /* The queries which need begin already called this in begin_query. */
   if (query->flags & SI_QUERY_HW_FLAG_NO_START) {
      si_need_gfx_cs_space(sctx, 0);
      if (!si_query_buffer_alloc(sctx, &query->buffer, query->ops->prepare_buffer,
                                 query->result_size))
         return;
   }

   if (!query->buffer.buf)
      return; // previous buffer allocation failure

   /* emit end query */
   va = query->buffer.buf->gpu_address + query->buffer.results_end;

   query->ops->emit_stop(sctx, query, query->buffer.buf, va);

   query->buffer.results_end += query->result_size;

   si_update_occlusion_query_state(sctx, query->b.type, -1);
   si_update_prims_generated_query_state(sctx, query->b.type, -1);

   if (query->b.type == PIPE_QUERY_PIPELINE_STATISTICS)
      sctx->num_pipeline_stat_queries--;
}

static void emit_set_predicate(struct si_context *ctx, struct si_resource *buf, uint64_t va,
                               uint32_t op)
{
   struct radeon_cmdbuf *cs = &ctx->gfx_cs;

   radeon_begin(cs);

   if (ctx->chip_class >= GFX9) {
      radeon_emit(PKT3(PKT3_SET_PREDICATION, 2, 0));
      radeon_emit(op);
      radeon_emit(va);
      radeon_emit(va >> 32);
   } else {
      radeon_emit(PKT3(PKT3_SET_PREDICATION, 1, 0));
      radeon_emit(va);
      radeon_emit(op | ((va >> 32) & 0xFF));
   }
   radeon_end();

   radeon_add_to_buffer_list(ctx, &ctx->gfx_cs, buf, RADEON_USAGE_READ, RADEON_PRIO_QUERY);
}

static void si_emit_query_predication(struct si_context *ctx)
{
   uint32_t op;
   bool flag_wait, invert;

   struct si_query_hw *query = (struct si_query_hw *)ctx->render_cond;
   if (!query)
      return;

   invert = ctx->render_cond_invert;
   flag_wait = ctx->render_cond_mode == PIPE_RENDER_COND_WAIT ||
               ctx->render_cond_mode == PIPE_RENDER_COND_BY_REGION_WAIT;

   if (ctx->screen->use_ngg_streamout && (query->b.type == PIPE_QUERY_SO_OVERFLOW_PREDICATE ||
                                          query->b.type == PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE)) {
      struct gfx10_sh_query *gfx10_query = (struct gfx10_sh_query *)query;
      struct gfx10_sh_query_buffer *qbuf, *first, *last;

      op = PRED_OP(PREDICATION_OP_PRIMCOUNT);

      /* if true then invert, see GL_ARB_conditional_render_inverted */
      if (!invert)
         op |= PREDICATION_DRAW_NOT_VISIBLE; /* Draw if not visible or overflow */
      else
         op |= PREDICATION_DRAW_VISIBLE; /* Draw if visible or no overflow */

      op |= flag_wait ? PREDICATION_HINT_WAIT : PREDICATION_HINT_NOWAIT_DRAW;

      first = gfx10_query->first;
      last = gfx10_query->last;

      while (first) {
         qbuf = first;
         if (first != last)
            first = LIST_ENTRY(struct gfx10_sh_query_buffer, qbuf->list.next, list);
         else
            first = NULL;

         unsigned results_base = gfx10_query->first_begin;
         uint64_t va_base = qbuf->buf->gpu_address;
         uint64_t va = va_base + results_base;

         unsigned begin = qbuf == gfx10_query->first ? gfx10_query->first_begin : 0;
         unsigned end = qbuf == gfx10_query->last ? gfx10_query->last_end : qbuf->buf->b.b.width0;

         unsigned count = (end - begin) / sizeof(struct gfx10_sh_query_buffer_mem);
         do {
            if (gfx10_query->b.type == PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE) {
               for (unsigned stream = 0; stream < SI_MAX_STREAMS; ++stream) {
                  emit_set_predicate(ctx, qbuf->buf, va + 4 * sizeof(uint64_t) * stream, op);

                  /* set CONTINUE bit for all packets except the first */
                  op |= PREDICATION_CONTINUE;
               }
            } else {
               emit_set_predicate(ctx, qbuf->buf, va + 4 * sizeof(uint64_t) * gfx10_query->stream, op);
               op |= PREDICATION_CONTINUE;
            }

            results_base += sizeof(struct gfx10_sh_query_buffer_mem);
         } while (count--);
      }
   } else {
      struct si_query_buffer *qbuf;

      if (query->workaround_buf) {
         op = PRED_OP(PREDICATION_OP_BOOL64);
      } else {
         switch (query->b.type) {
         case PIPE_QUERY_OCCLUSION_COUNTER:
         case PIPE_QUERY_OCCLUSION_PREDICATE:
         case PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE:
            op = PRED_OP(PREDICATION_OP_ZPASS);
            break;
         case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
         case PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE:
            op = PRED_OP(PREDICATION_OP_PRIMCOUNT);
            invert = !invert;
            break;
         default:
            assert(0);
            return;
         }
      }

      /* if true then invert, see GL_ARB_conditional_render_inverted */
      if (invert)
         op |= PREDICATION_DRAW_NOT_VISIBLE; /* Draw if not visible or overflow */
      else
         op |= PREDICATION_DRAW_VISIBLE; /* Draw if visible or no overflow */

      /* Use the value written by compute shader as a workaround. Note that
       * the wait flag does not apply in this predication mode.
       *
       * The shader outputs the result value to L2. Workarounds only affect GFX8
       * and later, where the CP reads data from L2, so we don't need an
       * additional flush.
       */
      if (query->workaround_buf) {
         uint64_t va = query->workaround_buf->gpu_address + query->workaround_offset;
         emit_set_predicate(ctx, query->workaround_buf, va, op);
         return;
      }

      op |= flag_wait ? PREDICATION_HINT_WAIT : PREDICATION_HINT_NOWAIT_DRAW;

      /* emit predicate packets for all data blocks */
      for (qbuf = &query->buffer; qbuf; qbuf = qbuf->previous) {
         unsigned results_base = 0;
         uint64_t va_base = qbuf->buf->gpu_address;

         while (results_base < qbuf->results_end) {
            uint64_t va = va_base + results_base;

            if (query->b.type == PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE) {
               for (unsigned stream = 0; stream < SI_MAX_STREAMS; ++stream) {
                  emit_set_predicate(ctx, qbuf->buf, va + 32 * stream, op);

                  /* set CONTINUE bit for all packets except the first */
                  op |= PREDICATION_CONTINUE;
               }
            } else {
               emit_set_predicate(ctx, qbuf->buf, va, op);
               op |= PREDICATION_CONTINUE;
            }

            results_base += query->result_size;
         }
      }
   }
}

static struct pipe_query *si_create_query(struct pipe_context *ctx, unsigned query_type,
                                          unsigned index)
{
   struct si_screen *sscreen = (struct si_screen *)ctx->screen;

   if (query_type == PIPE_QUERY_TIMESTAMP_DISJOINT || query_type == PIPE_QUERY_GPU_FINISHED ||
       (query_type >= PIPE_QUERY_DRIVER_SPECIFIC))
      return si_query_sw_create(query_type);

   if (sscreen->use_ngg_streamout &&
       (query_type == PIPE_QUERY_PRIMITIVES_EMITTED ||
        query_type == PIPE_QUERY_PRIMITIVES_GENERATED || query_type == PIPE_QUERY_SO_STATISTICS ||
        query_type == PIPE_QUERY_SO_OVERFLOW_PREDICATE ||
        query_type == PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE))
      return gfx10_sh_query_create(sscreen, query_type, index);

   return si_query_hw_create(sscreen, query_type, index);
}

static void si_destroy_query(struct pipe_context *ctx, struct pipe_query *query)
{
   struct si_context *sctx = (struct si_context *)ctx;
   struct si_query *squery = (struct si_query *)query;

   squery->ops->destroy(sctx, squery);
}

static bool si_begin_query(struct pipe_context *ctx, struct pipe_query *query)
{
   struct si_context *sctx = (struct si_context *)ctx;
   struct si_query *squery = (struct si_query *)query;

   return squery->ops->begin(sctx, squery);
}

bool si_query_hw_begin(struct si_context *sctx, struct si_query *squery)
{
   struct si_query_hw *query = (struct si_query_hw *)squery;

   if (query->flags & SI_QUERY_HW_FLAG_NO_START) {
      assert(0);
      return false;
   }

   if (!(query->flags & SI_QUERY_HW_FLAG_BEGIN_RESUMES))
      si_query_buffer_reset(sctx, &query->buffer);

   si_resource_reference(&query->workaround_buf, NULL);

   si_query_hw_emit_start(sctx, query);
   if (!query->buffer.buf)
      return false;

   list_addtail(&query->b.active_list, &sctx->active_queries);
   sctx->num_cs_dw_queries_suspend += query->b.num_cs_dw_suspend;
   return true;
}

static bool si_end_query(struct pipe_context *ctx, struct pipe_query *query)
{
   struct si_context *sctx = (struct si_context *)ctx;
   struct si_query *squery = (struct si_query *)query;

   return squery->ops->end(sctx, squery);
}

bool si_query_hw_end(struct si_context *sctx, struct si_query *squery)
{
   struct si_query_hw *query = (struct si_query_hw *)squery;

   if (query->flags & SI_QUERY_HW_FLAG_NO_START)
      si_query_buffer_reset(sctx, &query->buffer);

   si_query_hw_emit_stop(sctx, query);

   if (!(query->flags & SI_QUERY_HW_FLAG_NO_START)) {
      list_delinit(&query->b.active_list);
      sctx->num_cs_dw_queries_suspend -= query->b.num_cs_dw_suspend;
   }

   if (!query->buffer.buf)
      return false;

   return true;
}

static void si_get_hw_query_params(struct si_context *sctx, struct si_query_hw *squery, int index,
                                   struct si_hw_query_params *params)
{
   unsigned max_rbs = sctx->screen->info.max_render_backends;

   params->pair_stride = 0;
   params->pair_count = 1;

   switch (squery->b.type) {
   case PIPE_QUERY_OCCLUSION_COUNTER:
   case PIPE_QUERY_OCCLUSION_PREDICATE:
   case PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE:
      params->start_offset = 0;
      params->end_offset = 8;
      params->fence_offset = max_rbs * 16;
      params->pair_stride = 16;
      params->pair_count = max_rbs;
      break;
   case PIPE_QUERY_TIME_ELAPSED:
      params->start_offset = 0;
      params->end_offset = 8;
      params->fence_offset = 16;
      break;
   case PIPE_QUERY_TIMESTAMP:
      params->start_offset = 0;
      params->end_offset = 0;
      params->fence_offset = 8;
      break;
   case PIPE_QUERY_PRIMITIVES_EMITTED:
      params->start_offset = 8;
      params->end_offset = 24;
      params->fence_offset = params->end_offset + 4;
      break;
   case PIPE_QUERY_PRIMITIVES_GENERATED:
      params->start_offset = 0;
      params->end_offset = 16;
      params->fence_offset = params->end_offset + 4;
      break;
   case PIPE_QUERY_SO_STATISTICS:
      params->start_offset = 8 - index * 8;
      params->end_offset = 24 - index * 8;
      params->fence_offset = params->end_offset + 4;
      break;
   case PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE:
      params->pair_count = SI_MAX_STREAMS;
      params->pair_stride = 32;
      FALLTHROUGH;
   case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
      params->start_offset = 0;
      params->end_offset = 16;

      /* We can re-use the high dword of the last 64-bit value as a
       * fence: it is initialized as 0, and the high bit is set by
       * the write of the streamout stats event.
       */
      params->fence_offset = squery->result_size - 4;
      break;
   case PIPE_QUERY_PIPELINE_STATISTICS: {
      static const unsigned offsets[] = {56, 48, 24, 32, 40, 16, 8, 0, 64, 72, 80};
      params->start_offset = offsets[index];
      params->end_offset = 88 + offsets[index];
      params->fence_offset = 2 * 88;
      break;
   }
   default:
      unreachable("si_get_hw_query_params unsupported");
   }
}

static unsigned si_query_read_result(void *map, unsigned start_index, unsigned end_index,
                                     bool test_status_bit)
{
   uint32_t *current_result = (uint32_t *)map;
   uint64_t start, end;

   start = (uint64_t)current_result[start_index] | (uint64_t)current_result[start_index + 1] << 32;
   end = (uint64_t)current_result[end_index] | (uint64_t)current_result[end_index + 1] << 32;

   if (!test_status_bit || ((start & 0x8000000000000000UL) && (end & 0x8000000000000000UL))) {
      return end - start;
   }
   return 0;
}

static void si_query_hw_add_result(struct si_screen *sscreen, struct si_query_hw *query,
                                   void *buffer, union pipe_query_result *result)
{
   unsigned max_rbs = sscreen->info.max_render_backends;

   switch (query->b.type) {
   case PIPE_QUERY_OCCLUSION_COUNTER: {
      for (unsigned i = 0; i < max_rbs; ++i) {
         unsigned results_base = i * 16;
         result->u64 += si_query_read_result(buffer + results_base, 0, 2, true);
      }
      break;
   }
   case PIPE_QUERY_OCCLUSION_PREDICATE:
   case PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE: {
      for (unsigned i = 0; i < max_rbs; ++i) {
         unsigned results_base = i * 16;
         result->b = result->b || si_query_read_result(buffer + results_base, 0, 2, true) != 0;
      }
      break;
   }
   case PIPE_QUERY_TIME_ELAPSED:
      result->u64 += si_query_read_result(buffer, 0, 2, false);
      break;
   case PIPE_QUERY_TIMESTAMP:
      result->u64 = *(uint64_t *)buffer;
      break;
   case PIPE_QUERY_PRIMITIVES_EMITTED:
      /* SAMPLE_STREAMOUTSTATS stores this structure:
       * {
       *    u64 NumPrimitivesWritten;
       *    u64 PrimitiveStorageNeeded;
       * }
       * We only need NumPrimitivesWritten here. */
      result->u64 += si_query_read_result(buffer, 2, 6, true);
      break;
   case PIPE_QUERY_PRIMITIVES_GENERATED:
      /* Here we read PrimitiveStorageNeeded. */
      result->u64 += si_query_read_result(buffer, 0, 4, true);
      break;
   case PIPE_QUERY_SO_STATISTICS:
      result->so_statistics.num_primitives_written += si_query_read_result(buffer, 2, 6, true);
      result->so_statistics.primitives_storage_needed += si_query_read_result(buffer, 0, 4, true);
      break;
   case PIPE_QUERY_SO_OVERFLOW_PREDICATE:
      result->b = result->b || si_query_read_result(buffer, 2, 6, true) !=
                                  si_query_read_result(buffer, 0, 4, true);
      break;
   case PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE:
      for (unsigned stream = 0; stream < SI_MAX_STREAMS; ++stream) {
         result->b = result->b || si_query_read_result(buffer, 2, 6, true) !=
                                     si_query_read_result(buffer, 0, 4, true);
         buffer = (char *)buffer + 32;
      }
      break;
   case PIPE_QUERY_PIPELINE_STATISTICS:
      result->pipeline_statistics.ps_invocations += si_query_read_result(buffer, 0, 22, false);
      result->pipeline_statistics.c_primitives += si_query_read_result(buffer, 2, 24, false);
      result->pipeline_statistics.c_invocations += si_query_read_result(buffer, 4, 26, false);
      result->pipeline_statistics.vs_invocations += si_query_read_result(buffer, 6, 28, false);
      result->pipeline_statistics.gs_invocations += si_query_read_result(buffer, 8, 30, false);
      result->pipeline_statistics.gs_primitives += si_query_read_result(buffer, 10, 32, false);
      result->pipeline_statistics.ia_primitives += si_query_read_result(buffer, 12, 34, false);
      result->pipeline_statistics.ia_vertices += si_query_read_result(buffer, 14, 36, false);
      result->pipeline_statistics.hs_invocations += si_query_read_result(buffer, 16, 38, false);
      result->pipeline_statistics.ds_invocations += si_query_read_result(buffer, 18, 40, false);
      result->pipeline_statistics.cs_invocations += si_query_read_result(buffer, 20, 42, false);
#if 0 /* for testing */
      printf("Pipeline stats: IA verts=%llu, IA prims=%llu, VS=%llu, HS=%llu, "
             "DS=%llu, GS=%llu, GS prims=%llu, Clipper=%llu, "
             "Clipper prims=%llu, PS=%llu, CS=%llu\n",
             result->pipeline_statistics.ia_vertices,
             result->pipeline_statistics.ia_primitives,
             result->pipeline_statistics.vs_invocations,
             result->pipeline_statistics.hs_invocations,
             result->pipeline_statistics.ds_invocations,
             result->pipeline_statistics.gs_invocations,
             result->pipeline_statistics.gs_primitives,
             result->pipeline_statistics.c_invocations,
             result->pipeline_statistics.c_primitives,
             result->pipeline_statistics.ps_invocations,
             result->pipeline_statistics.cs_invocations);
#endif
      break;
   default:
      assert(0);
   }
}

void si_query_hw_suspend(struct si_context *sctx, struct si_query *query)
{
   si_query_hw_emit_stop(sctx, (struct si_query_hw *)query);
}

void si_query_hw_resume(struct si_context *sctx, struct si_query *query)
{
   si_query_hw_emit_start(sctx, (struct si_query_hw *)query);
}

static const struct si_query_ops query_hw_ops = {
   .destroy = si_query_hw_destroy,
   .begin = si_query_hw_begin,
   .end = si_query_hw_end,
   .get_result = si_query_hw_get_result,
   .get_result_resource = si_query_hw_get_result_resource,

   .suspend = si_query_hw_suspend,
   .resume = si_query_hw_resume,
};

static bool si_get_query_result(struct pipe_context *ctx, struct pipe_query *query, bool wait,
                                union pipe_query_result *result)
{
   struct si_context *sctx = (struct si_context *)ctx;
   struct si_query *squery = (struct si_query *)query;

   return squery->ops->get_result(sctx, squery, wait, result);
}

static void si_get_query_result_resource(struct pipe_context *ctx, struct pipe_query *query,
                                         bool wait, enum pipe_query_value_type result_type,
                                         int index, struct pipe_resource *resource, unsigned offset)
{
   struct si_context *sctx = (struct si_context *)ctx;
   struct si_query *squery = (struct si_query *)query;

   squery->ops->get_result_resource(sctx, squery, wait, result_type, index, resource, offset);
}

static void si_query_hw_clear_result(struct si_query_hw *query, union pipe_query_result *result)
{
   util_query_clear_result(result, query->b.type);
}

bool si_query_hw_get_result(struct si_context *sctx, struct si_query *squery, bool wait,
                            union pipe_query_result *result)
{
   struct si_screen *sscreen = sctx->screen;
   struct si_query_hw *query = (struct si_query_hw *)squery;
   struct si_query_buffer *qbuf;

   query->ops->clear_result(query, result);

   for (qbuf = &query->buffer; qbuf; qbuf = qbuf->previous) {
      unsigned usage = PIPE_MAP_READ | (wait ? 0 : PIPE_MAP_DONTBLOCK);
      unsigned results_base = 0;
      void *map;

      if (squery->b.flushed)
         map = sctx->ws->buffer_map(sctx->ws, qbuf->buf->buf, NULL, usage);
      else
         map = si_buffer_map(sctx, qbuf->buf, usage);

      if (!map)
         return false;

      while (results_base != qbuf->results_end) {
         query->ops->add_result(sscreen, query, map + results_base, result);
         results_base += query->result_size;
      }
   }

   /* Convert the time to expected units. */
   if (squery->type == PIPE_QUERY_TIME_ELAPSED ||
       squery->type == PIPE_QUERY_TIMESTAMP) {
      result->u64 = (1000000 * result->u64) / sscreen->info.clock_crystal_freq;
   }
   return true;
}

static void si_query_hw_get_result_resource(struct si_context *sctx, struct si_query *squery,
                                            bool wait, enum pipe_query_value_type result_type,
                                            int index, struct pipe_resource *resource,
                                            unsigned offset)
{
   struct si_query_hw *query = (struct si_query_hw *)squery;
   struct si_query_buffer *qbuf;
   struct si_query_buffer *qbuf_prev;
   struct pipe_resource *tmp_buffer = NULL;
   unsigned tmp_buffer_offset = 0;
   struct si_qbo_state saved_state = {};
   struct pipe_grid_info grid = {};
   struct pipe_constant_buffer constant_buffer = {};
   struct pipe_shader_buffer ssbo[3];
   struct si_hw_query_params params;
   struct {
      uint32_t end_offset;
      uint32_t result_stride;
      uint32_t result_count;
      uint32_t config;
      uint32_t fence_offset;
      uint32_t pair_stride;
      uint32_t pair_count;
   } consts;

   if (!sctx->query_result_shader) {
      sctx->query_result_shader = si_create_query_result_cs(sctx);
      if (!sctx->query_result_shader)
         return;
   }

   if (query->buffer.previous) {
      u_suballocator_alloc(&sctx->allocator_zeroed_memory, 16, 16, &tmp_buffer_offset, &tmp_buffer);
      if (!tmp_buffer)
         return;
   }

   si_save_qbo_state(sctx, &saved_state);

   si_get_hw_query_params(sctx, query, index >= 0 ? index : 0, &params);
   consts.end_offset = params.end_offset - params.start_offset;
   consts.fence_offset = params.fence_offset - params.start_offset;
   consts.result_stride = query->result_size;
   consts.pair_stride = params.pair_stride;
   consts.pair_count = params.pair_count;

   constant_buffer.buffer_size = sizeof(consts);
   constant_buffer.user_buffer = &consts;

   ssbo[1].buffer = tmp_buffer;
   ssbo[1].buffer_offset = tmp_buffer_offset;
   ssbo[1].buffer_size = 16;

   ssbo[2] = ssbo[1];

   grid.block[0] = 1;
   grid.block[1] = 1;
   grid.block[2] = 1;
   grid.grid[0] = 1;
   grid.grid[1] = 1;
   grid.grid[2] = 1;

   consts.config = 0;
   if (index < 0)
      consts.config |= 4;
   if (query->b.type == PIPE_QUERY_OCCLUSION_PREDICATE ||
       query->b.type == PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE)
      consts.config |= 8;
   else if (query->b.type == PIPE_QUERY_SO_OVERFLOW_PREDICATE ||
            query->b.type == PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE)
      consts.config |= 8 | 256;
   else if (query->b.type == PIPE_QUERY_TIMESTAMP || query->b.type == PIPE_QUERY_TIME_ELAPSED)
      consts.config |= 32;

   switch (result_type) {
   case PIPE_QUERY_TYPE_U64:
   case PIPE_QUERY_TYPE_I64:
      consts.config |= 64;
      break;
   case PIPE_QUERY_TYPE_I32:
      consts.config |= 128;
      break;
   case PIPE_QUERY_TYPE_U32:
      break;
   }

   sctx->flags |= sctx->screen->barrier_flags.cp_to_L2;

   for (qbuf = &query->buffer; qbuf; qbuf = qbuf_prev) {
      if (query->b.type != PIPE_QUERY_TIMESTAMP) {
         qbuf_prev = qbuf->previous;
         consts.result_count = qbuf->results_end / query->result_size;
         consts.config &= ~3;
         if (qbuf != &query->buffer)
            consts.config |= 1;
         if (qbuf->previous)
            consts.config |= 2;
      } else {
         /* Only read the last timestamp. */
         qbuf_prev = NULL;
         consts.result_count = 0;
         consts.config |= 16;
         params.start_offset += qbuf->results_end - query->result_size;
      }

      sctx->b.set_constant_buffer(&sctx->b, PIPE_SHADER_COMPUTE, 0, false, &constant_buffer);

      ssbo[0].buffer = &qbuf->buf->b.b;
      ssbo[0].buffer_offset = params.start_offset;
      ssbo[0].buffer_size = qbuf->results_end - params.start_offset;

      if (!qbuf->previous) {
         ssbo[2].buffer = resource;
         ssbo[2].buffer_offset = offset;
         ssbo[2].buffer_size = 8;

         si_resource(resource)->TC_L2_dirty = true;
      }

      if (wait && qbuf == &query->buffer) {
         uint64_t va;

         /* Wait for result availability. Wait only for readiness
          * of the last entry, since the fence writes should be
          * serialized in the CP.
          */
         va = qbuf->buf->gpu_address + qbuf->results_end - query->result_size;
         va += params.fence_offset;

         si_cp_wait_mem(sctx, &sctx->gfx_cs, va, 0x80000000, 0x80000000, WAIT_REG_MEM_EQUAL);
      }
      si_launch_grid_internal_ssbos(sctx, &grid, sctx->query_result_shader,
                                    SI_OP_SYNC_AFTER, SI_COHERENCY_SHADER,
                                    3, ssbo, 0x4);
   }

   si_restore_qbo_state(sctx, &saved_state);
   pipe_resource_reference(&tmp_buffer, NULL);
}

static void si_render_condition(struct pipe_context *ctx, struct pipe_query *query, bool condition,
                                enum pipe_render_cond_flag mode)
{
   struct si_context *sctx = (struct si_context *)ctx;
   struct si_query_hw *squery = (struct si_query_hw *)query;
   struct si_atom *atom = &sctx->atoms.s.render_cond;

   if (query) {
      bool needs_workaround = false;

      /* There was a firmware regression in GFX8 which causes successive
       * SET_PREDICATION packets to give the wrong answer for
       * non-inverted stream overflow predication.
       */
      if (((sctx->chip_class == GFX8 && sctx->screen->info.pfp_fw_feature < 49) ||
           (sctx->chip_class == GFX9 && sctx->screen->info.pfp_fw_feature < 38)) &&
          !condition &&
          (squery->b.type == PIPE_QUERY_SO_OVERFLOW_ANY_PREDICATE ||
           (squery->b.type == PIPE_QUERY_SO_OVERFLOW_PREDICATE &&
            (squery->buffer.previous || squery->buffer.results_end > squery->result_size)))) {
         needs_workaround = true;
      }

      if (needs_workaround && !squery->workaround_buf) {
         bool old_render_cond_enabled = sctx->render_cond_enabled;
         sctx->render_cond_enabled = false;

         u_suballocator_alloc(&sctx->allocator_zeroed_memory, 8, 8, &squery->workaround_offset,
                              (struct pipe_resource **)&squery->workaround_buf);

         /* Reset to NULL to avoid a redundant SET_PREDICATION
          * from launching the compute grid.
          */
         sctx->render_cond = NULL;

         ctx->get_query_result_resource(ctx, query, true, PIPE_QUERY_TYPE_U64, 0,
                                        &squery->workaround_buf->b.b, squery->workaround_offset);

         /* Settings this in the render cond atom is too late,
          * so set it here. */
         sctx->flags |= sctx->screen->barrier_flags.L2_to_cp | SI_CONTEXT_FLUSH_FOR_RENDER_COND;

         sctx->render_cond_enabled = old_render_cond_enabled;
      }
   }

   sctx->render_cond = query;
   sctx->render_cond_invert = condition;
   sctx->render_cond_mode = mode;
   sctx->render_cond_enabled = query;

   si_set_atom_dirty(sctx, atom, query != NULL);
}

void si_suspend_queries(struct si_context *sctx)
{
   struct si_query *query;

   LIST_FOR_EACH_ENTRY (query, &sctx->active_queries, active_list)
      query->ops->suspend(sctx, query);
}

void si_resume_queries(struct si_context *sctx)
{
   struct si_query *query;

   /* Check CS space here. Resuming must not be interrupted by flushes. */
   si_need_gfx_cs_space(sctx, 0);

   LIST_FOR_EACH_ENTRY (query, &sctx->active_queries, active_list)
      query->ops->resume(sctx, query);
}

#define XFULL(name_, query_type_, type_, result_type_, group_id_)                                  \
   {                                                                                               \
      .name = name_, .query_type = SI_QUERY_##query_type_, .type = PIPE_DRIVER_QUERY_TYPE_##type_, \
      .result_type = PIPE_DRIVER_QUERY_RESULT_TYPE_##result_type_, .group_id = group_id_           \
   }

#define X(name_, query_type_, type_, result_type_)                                                 \
   XFULL(name_, query_type_, type_, result_type_, ~(unsigned)0)

#define XG(group_, name_, query_type_, type_, result_type_)                                        \
   XFULL(name_, query_type_, type_, result_type_, SI_QUERY_GROUP_##group_)

static struct pipe_driver_query_info si_driver_query_list[] = {
   X("num-compilations", NUM_COMPILATIONS, UINT64, CUMULATIVE),
   X("num-shaders-created", NUM_SHADERS_CREATED, UINT64, CUMULATIVE),
   X("draw-calls", DRAW_CALLS, UINT64, AVERAGE),
   X("decompress-calls", DECOMPRESS_CALLS, UINT64, AVERAGE),
   X("prim-restart-calls", PRIM_RESTART_CALLS, UINT64, AVERAGE),
   X("compute-calls", COMPUTE_CALLS, UINT64, AVERAGE),
   X("cp-dma-calls", CP_DMA_CALLS, UINT64, AVERAGE),
   X("num-vs-flushes", NUM_VS_FLUSHES, UINT64, AVERAGE),
   X("num-ps-flushes", NUM_PS_FLUSHES, UINT64, AVERAGE),
   X("num-cs-flushes", NUM_CS_FLUSHES, UINT64, AVERAGE),
   X("num-CB-cache-flushes", NUM_CB_CACHE_FLUSHES, UINT64, AVERAGE),
   X("num-DB-cache-flushes", NUM_DB_CACHE_FLUSHES, UINT64, AVERAGE),
   X("num-L2-invalidates", NUM_L2_INVALIDATES, UINT64, AVERAGE),
   X("num-L2-writebacks", NUM_L2_WRITEBACKS, UINT64, AVERAGE),
   X("num-resident-handles", NUM_RESIDENT_HANDLES, UINT64, AVERAGE),
   X("tc-offloaded-slots", TC_OFFLOADED_SLOTS, UINT64, AVERAGE),
   X("tc-direct-slots", TC_DIRECT_SLOTS, UINT64, AVERAGE),
   X("tc-num-syncs", TC_NUM_SYNCS, UINT64, AVERAGE),
   X("CS-thread-busy", CS_THREAD_BUSY, UINT64, AVERAGE),
   X("gallium-thread-busy", GALLIUM_THREAD_BUSY, UINT64, AVERAGE),
   X("requested-VRAM", REQUESTED_VRAM, BYTES, AVERAGE),
   X("requested-GTT", REQUESTED_GTT, BYTES, AVERAGE),
   X("mapped-VRAM", MAPPED_VRAM, BYTES, AVERAGE),
   X("mapped-GTT", MAPPED_GTT, BYTES, AVERAGE),
   X("slab-wasted-VRAM", SLAB_WASTED_VRAM, BYTES, AVERAGE),
   X("slab-wasted-GTT", SLAB_WASTED_GTT, BYTES, AVERAGE),
   X("buffer-wait-time", BUFFER_WAIT_TIME, MICROSECONDS, CUMULATIVE),
   X("num-mapped-buffers", NUM_MAPPED_BUFFERS, UINT64, AVERAGE),
   X("num-GFX-IBs", NUM_GFX_IBS, UINT64, AVERAGE),
   X("GFX-BO-list-size", GFX_BO_LIST_SIZE, UINT64, AVERAGE),
   X("GFX-IB-size", GFX_IB_SIZE, UINT64, AVERAGE),
   X("num-bytes-moved", NUM_BYTES_MOVED, BYTES, CUMULATIVE),
   X("num-evictions", NUM_EVICTIONS, UINT64, CUMULATIVE),
   X("VRAM-CPU-page-faults", NUM_VRAM_CPU_PAGE_FAULTS, UINT64, CUMULATIVE),
   X("VRAM-usage", VRAM_USAGE, BYTES, AVERAGE),
   X("VRAM-vis-usage", VRAM_VIS_USAGE, BYTES, AVERAGE),
   X("GTT-usage", GTT_USAGE, BYTES, AVERAGE),
   X("back-buffer-ps-draw-ratio", BACK_BUFFER_PS_DRAW_RATIO, UINT64, AVERAGE),
   X("live-shader-cache-hits", LIVE_SHADER_CACHE_HITS, UINT, CUMULATIVE),
   X("live-shader-cache-misses", LIVE_SHADER_CACHE_MISSES, UINT, CUMULATIVE),
   X("memory-shader-cache-hits", MEMORY_SHADER_CACHE_HITS, UINT, CUMULATIVE),
   X("memory-shader-cache-misses", MEMORY_SHADER_CACHE_MISSES, UINT, CUMULATIVE),
   X("disk-shader-cache-hits", DISK_SHADER_CACHE_HITS, UINT, CUMULATIVE),
   X("disk-shader-cache-misses", DISK_SHADER_CACHE_MISSES, UINT, CUMULATIVE),

   /* GPIN queries are for the benefit of old versions of GPUPerfStudio,
    * which use it as a fallback path to detect the GPU type.
    *
    * Note: The names of these queries are significant for GPUPerfStudio
    * (and possibly their order as well). */
   XG(GPIN, "GPIN_000", GPIN_ASIC_ID, UINT, AVERAGE),
   XG(GPIN, "GPIN_001", GPIN_NUM_SIMD, UINT, AVERAGE),
   XG(GPIN, "GPIN_002", GPIN_NUM_RB, UINT, AVERAGE),
   XG(GPIN, "GPIN_003", GPIN_NUM_SPI, UINT, AVERAGE),
   XG(GPIN, "GPIN_004", GPIN_NUM_SE, UINT, AVERAGE),

   X("temperature", GPU_TEMPERATURE, UINT64, AVERAGE),
   X("shader-clock", CURRENT_GPU_SCLK, HZ, AVERAGE),
   X("memory-clock", CURRENT_GPU_MCLK, HZ, AVERAGE),

   /* The following queries must be at the end of the list because their
    * availability is adjusted dynamically based on the DRM version. */
   X("GPU-load", GPU_LOAD, UINT64, AVERAGE),
   X("GPU-shaders-busy", GPU_SHADERS_BUSY, UINT64, AVERAGE),
   X("GPU-ta-busy", GPU_TA_BUSY, UINT64, AVERAGE),
   X("GPU-gds-busy", GPU_GDS_BUSY, UINT64, AVERAGE),
   X("GPU-vgt-busy", GPU_VGT_BUSY, UINT64, AVERAGE),
   X("GPU-ia-busy", GPU_IA_BUSY, UINT64, AVERAGE),
   X("GPU-sx-busy", GPU_SX_BUSY, UINT64, AVERAGE),
   X("GPU-wd-busy", GPU_WD_BUSY, UINT64, AVERAGE),
   X("GPU-bci-busy", GPU_BCI_BUSY, UINT64, AVERAGE),
   X("GPU-sc-busy", GPU_SC_BUSY, UINT64, AVERAGE),
   X("GPU-pa-busy", GPU_PA_BUSY, UINT64, AVERAGE),
   X("GPU-db-busy", GPU_DB_BUSY, UINT64, AVERAGE),
   X("GPU-cp-busy", GPU_CP_BUSY, UINT64, AVERAGE),
   X("GPU-cb-busy", GPU_CB_BUSY, UINT64, AVERAGE),

   /* SRBM_STATUS2 */
   X("GPU-sdma-busy", GPU_SDMA_BUSY, UINT64, AVERAGE),

   /* CP_STAT */
   X("GPU-pfp-busy", GPU_PFP_BUSY, UINT64, AVERAGE),
   X("GPU-meq-busy", GPU_MEQ_BUSY, UINT64, AVERAGE),
   X("GPU-me-busy", GPU_ME_BUSY, UINT64, AVERAGE),
   X("GPU-surf-sync-busy", GPU_SURF_SYNC_BUSY, UINT64, AVERAGE),
   X("GPU-cp-dma-busy", GPU_CP_DMA_BUSY, UINT64, AVERAGE),
   X("GPU-scratch-ram-busy", GPU_SCRATCH_RAM_BUSY, UINT64, AVERAGE),
};

#undef X
#undef XG
#undef XFULL

static unsigned si_get_num_queries(struct si_screen *sscreen)
{
   /* amdgpu */
   if (sscreen->info.is_amdgpu) {
      if (sscreen->info.chip_class >= GFX8)
         return ARRAY_SIZE(si_driver_query_list);
      else
         return ARRAY_SIZE(si_driver_query_list) - 7;
   }

   /* radeon */
   if (sscreen->info.has_read_registers_query) {
      if (sscreen->info.chip_class == GFX7)
         return ARRAY_SIZE(si_driver_query_list) - 6;
      else
         return ARRAY_SIZE(si_driver_query_list) - 7;
   }

   return ARRAY_SIZE(si_driver_query_list) - 21;
}

static int si_get_driver_query_info(struct pipe_screen *screen, unsigned index,
                                    struct pipe_driver_query_info *info)
{
   struct si_screen *sscreen = (struct si_screen *)screen;
   unsigned num_queries = si_get_num_queries(sscreen);

   if (!info) {
      unsigned num_perfcounters = si_get_perfcounter_info(sscreen, 0, NULL);

      return num_queries + num_perfcounters;
   }

   if (index >= num_queries)
      return si_get_perfcounter_info(sscreen, index - num_queries, info);

   *info = si_driver_query_list[index];

   switch (info->query_type) {
   case SI_QUERY_REQUESTED_VRAM:
   case SI_QUERY_VRAM_USAGE:
   case SI_QUERY_MAPPED_VRAM:
   case SI_QUERY_SLAB_WASTED_VRAM:
      info->max_value.u64 = sscreen->info.vram_size;
      break;
   case SI_QUERY_REQUESTED_GTT:
   case SI_QUERY_GTT_USAGE:
   case SI_QUERY_MAPPED_GTT:
   case SI_QUERY_SLAB_WASTED_GTT:
      info->max_value.u64 = sscreen->info.gart_size;
      break;
   case SI_QUERY_GPU_TEMPERATURE:
      info->max_value.u64 = 125;
      break;
   case SI_QUERY_VRAM_VIS_USAGE:
      info->max_value.u64 = sscreen->info.vram_vis_size;
      break;
   }

   if (info->group_id != ~(unsigned)0 && sscreen->perfcounters)
      info->group_id += sscreen->perfcounters->base.num_groups;

   return 1;
}

/* Note: Unfortunately, GPUPerfStudio hardcodes the order of hardware
 * performance counter groups, so be careful when changing this and related
 * functions.
 */
static int si_get_driver_query_group_info(struct pipe_screen *screen, unsigned index,
                                          struct pipe_driver_query_group_info *info)
{
   struct si_screen *sscreen = (struct si_screen *)screen;
   unsigned num_pc_groups = 0;

   if (sscreen->perfcounters)
      num_pc_groups = sscreen->perfcounters->base.num_groups;

   if (!info)
      return num_pc_groups + SI_NUM_SW_QUERY_GROUPS;

   if (index < num_pc_groups)
      return si_get_perfcounter_group_info(sscreen, index, info);

   index -= num_pc_groups;
   if (index >= SI_NUM_SW_QUERY_GROUPS)
      return 0;

   info->name = "GPIN";
   info->max_active_queries = 5;
   info->num_queries = 5;
   return 1;
}

void si_init_query_functions(struct si_context *sctx)
{
   sctx->b.create_query = si_create_query;
   sctx->b.create_batch_query = si_create_batch_query;
   sctx->b.destroy_query = si_destroy_query;
   sctx->b.begin_query = si_begin_query;
   sctx->b.end_query = si_end_query;
   sctx->b.get_query_result = si_get_query_result;
   sctx->b.get_query_result_resource = si_get_query_result_resource;

   if (sctx->has_graphics) {
      sctx->atoms.s.render_cond.emit = si_emit_query_predication;
      sctx->b.render_condition = si_render_condition;
   }

   list_inithead(&sctx->active_queries);
}

void si_init_screen_query_functions(struct si_screen *sscreen)
{
   sscreen->b.get_driver_query_info = si_get_driver_query_info;
   sscreen->b.get_driver_query_group_info = si_get_driver_query_group_info;
}