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/*
* Copyright © 2018 Intel Corporation
*
* 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
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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 <assert.h>
#include <stdbool.h>
#include <stdint.h>
#include "anv_private.h"
#include "perf/gen_perf.h"
#include "perf/gen_perf_mdapi.h"
struct gen_perf_config *
anv_get_perf(const struct gen_device_info *devinfo, int fd)
{
struct gen_perf_config *perf = gen_perf_new(NULL);
gen_perf_init_metrics(perf, devinfo, fd);
/* We need DRM_I915_PERF_PROP_HOLD_PREEMPTION support, only available in
* perf revision 2.
*/
if (anv_gem_get_param(fd, I915_PARAM_PERF_REVISION) < 3)
goto err;
return perf;
err:
ralloc_free(perf);
return NULL;
}
void
anv_device_perf_init(struct anv_device *device)
{
device->perf_fd = -1;
}
static int
anv_device_perf_open(struct anv_device *device, uint64_t metric_id)
{
uint64_t properties[DRM_I915_PERF_PROP_MAX * 2];
struct drm_i915_perf_open_param param;
int p = 0, stream_fd;
properties[p++] = DRM_I915_PERF_PROP_SAMPLE_OA;
properties[p++] = true;
properties[p++] = DRM_I915_PERF_PROP_OA_METRICS_SET;
properties[p++] = metric_id;
properties[p++] = DRM_I915_PERF_PROP_OA_FORMAT;
properties[p++] = device->info.gen >= 8 ?
I915_OA_FORMAT_A32u40_A4u32_B8_C8 :
I915_OA_FORMAT_A45_B8_C8;
properties[p++] = DRM_I915_PERF_PROP_OA_EXPONENT;
properties[p++] = 31; /* slowest sampling period */
properties[p++] = DRM_I915_PERF_PROP_CTX_HANDLE;
properties[p++] = device->context_id;
properties[p++] = DRM_I915_PERF_PROP_HOLD_PREEMPTION;
properties[p++] = true;
memset(¶m, 0, sizeof(param));
param.flags = 0;
param.flags |= I915_PERF_FLAG_FD_CLOEXEC | I915_PERF_FLAG_FD_NONBLOCK;
param.properties_ptr = (uintptr_t)properties;
param.num_properties = p / 2;
stream_fd = gen_ioctl(device->fd, DRM_IOCTL_I915_PERF_OPEN, ¶m);
return stream_fd;
}
VkResult anv_InitializePerformanceApiINTEL(
VkDevice _device,
const VkInitializePerformanceApiInfoINTEL* pInitializeInfo)
{
ANV_FROM_HANDLE(anv_device, device, _device);
const struct anv_physical_device *pdevice = &device->instance->physicalDevice;
if (!pdevice->perf)
return VK_ERROR_EXTENSION_NOT_PRESENT;
/* Not much to do here */
return VK_SUCCESS;
}
VkResult anv_GetPerformanceParameterINTEL(
VkDevice _device,
VkPerformanceParameterTypeINTEL parameter,
VkPerformanceValueINTEL* pValue)
{
ANV_FROM_HANDLE(anv_device, device, _device);
const struct anv_physical_device *pdevice = &device->instance->physicalDevice;
if (!pdevice->perf)
return VK_ERROR_EXTENSION_NOT_PRESENT;
VkResult result = VK_SUCCESS;
switch (parameter) {
case VK_PERFORMANCE_PARAMETER_TYPE_HW_COUNTERS_SUPPORTED_INTEL:
pValue->type = VK_PERFORMANCE_VALUE_TYPE_BOOL_INTEL;
pValue->data.valueBool = VK_TRUE;
break;
case VK_PERFORMANCE_PARAMETER_TYPE_STREAM_MARKER_VALID_BITS_INTEL:
pValue->type = VK_PERFORMANCE_VALUE_TYPE_UINT32_INTEL;
pValue->data.value32 = 25;
break;
default:
result = VK_ERROR_FEATURE_NOT_PRESENT;
break;
}
return result;
}
VkResult anv_CmdSetPerformanceMarkerINTEL(
VkCommandBuffer commandBuffer,
const VkPerformanceMarkerInfoINTEL* pMarkerInfo)
{
ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
cmd_buffer->intel_perf_marker = pMarkerInfo->marker;
return VK_SUCCESS;
}
VkResult anv_AcquirePerformanceConfigurationINTEL(
VkDevice _device,
const VkPerformanceConfigurationAcquireInfoINTEL* pAcquireInfo,
VkPerformanceConfigurationINTEL* pConfiguration)
{
ANV_FROM_HANDLE(anv_device, device, _device);
const struct anv_physical_device *pdevice = &device->instance->physicalDevice;
struct gen_perf_registers *perf_config =
gen_perf_load_configuration(pdevice->perf, device->fd,
GEN_PERF_QUERY_GUID_MDAPI);
if (!perf_config)
return VK_INCOMPLETE;
int ret = gen_perf_store_configuration(pdevice->perf, device->fd,
perf_config, NULL /* guid */);
if (ret < 0) {
ralloc_free(perf_config);
return VK_INCOMPLETE;
}
*pConfiguration = (VkPerformanceConfigurationINTEL) (uint64_t) ret;
return VK_SUCCESS;
}
VkResult anv_ReleasePerformanceConfigurationINTEL(
VkDevice _device,
VkPerformanceConfigurationINTEL _configuration)
{
ANV_FROM_HANDLE(anv_device, device, _device);
uint64_t config = (uint64_t) _configuration;
gen_ioctl(device->fd, DRM_IOCTL_I915_PERF_REMOVE_CONFIG, &config);
return VK_SUCCESS;
}
VkResult anv_QueueSetPerformanceConfigurationINTEL(
VkQueue _queue,
VkPerformanceConfigurationINTEL _configuration)
{
ANV_FROM_HANDLE(anv_queue, queue, _queue);
struct anv_device *device = queue->device;
uint64_t configuration = (uint64_t) _configuration;
if (device->perf_fd < 0) {
device->perf_fd = anv_device_perf_open(device, configuration);
if (device->perf_fd < 0)
return VK_ERROR_INITIALIZATION_FAILED;
} else {
int ret = gen_ioctl(device->perf_fd, I915_PERF_IOCTL_CONFIG,
(void *)(uintptr_t) _configuration);
if (ret < 0) {
return anv_device_set_lost(device,
"i915-perf config failed: %s",
strerror(ret));
}
}
return VK_SUCCESS;
}
void anv_UninitializePerformanceApiINTEL(
VkDevice _device)
{
ANV_FROM_HANDLE(anv_device, device, _device);
if (device->perf_fd >= 0) {
close(device->perf_fd);
device->perf_fd = -1;
}
}
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