linux/drivers/gpu/drm/i915/i915_query.c

/*
 * SPDX-License-Identifier: MIT
 *
 * Copyright © 2018 Intel Corporation
 */

#include <linux/nospec.h>

#include "i915_drv.h"
#include "i915_perf.h"
#include "i915_query.h"
#include "gt/intel_engine_user.h"
#include <uapi/drm/i915_drm.h>

static int copy_query_item(void *query_hdr, size_t query_sz,
			   u32 total_length,
			   struct drm_i915_query_item *query_item)
{ … }

static int fill_topology_info(const struct sseu_dev_info *sseu,
			      struct drm_i915_query_item *query_item,
			      intel_sseu_ss_mask_t subslice_mask)
{ … }

static int query_topology_info(struct drm_i915_private *dev_priv,
			       struct drm_i915_query_item *query_item)
{ … }

static int query_geometry_subslices(struct drm_i915_private *i915,
				    struct drm_i915_query_item *query_item)
{ … }

static int
query_engine_info(struct drm_i915_private *i915,
		  struct drm_i915_query_item *query_item)
{ … }

static int can_copy_perf_config_registers_or_number(u32 user_n_regs,
						    u64 user_regs_ptr,
						    u32 kernel_n_regs)
{ … }

static int copy_perf_config_registers_or_number(const struct i915_oa_reg *kernel_regs,
						u32 kernel_n_regs,
						u64 user_regs_ptr,
						u32 *user_n_regs)
{ … }

static int query_perf_config_data(struct drm_i915_private *i915,
				  struct drm_i915_query_item *query_item,
				  bool use_uuid)
{ … }

static size_t sizeof_perf_config_list(size_t count)
{ … }

static size_t sizeof_perf_metrics(struct i915_perf *perf)
{ … }

static int query_perf_config_list(struct drm_i915_private *i915,
				  struct drm_i915_query_item *query_item)
{ … }

static int query_perf_config(struct drm_i915_private *i915,
			     struct drm_i915_query_item *query_item)
{ … }

static int query_memregion_info(struct drm_i915_private *i915,
				struct drm_i915_query_item *query_item)
{ … }

static int query_hwconfig_blob(struct drm_i915_private *i915,
			       struct drm_i915_query_item *query_item)
{ … }

static int
query_guc_submission_version(struct drm_i915_private *i915,
			     struct drm_i915_query_item *query)
{ … }

static int (* const i915_query_funcs[])(struct drm_i915_private *dev_priv,
					struct drm_i915_query_item *query_item) = …;

int i915_query_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
{ … }