linux/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c

/*
 * SPDX-License-Identifier: MIT
 *
 * Copyright © 2017 Intel Corporation
 */

#include <linux/prime_numbers.h>
#include <linux/string_helpers.h>

#include "gem/i915_gem_internal.h"
#include "gem/i915_gem_pm.h"
#include "gt/intel_engine_pm.h"
#include "gt/intel_engine_regs.h"
#include "gt/intel_gt.h"
#include "gt/intel_gt_requests.h"
#include "gt/intel_reset.h"
#include "i915_selftest.h"

#include "gem/selftests/igt_gem_utils.h"
#include "selftests/i915_random.h"
#include "selftests/igt_flush_test.h"
#include "selftests/igt_live_test.h"
#include "selftests/igt_reset.h"
#include "selftests/igt_spinner.h"
#include "selftests/mock_drm.h"
#include "selftests/mock_gem_device.h"

#include "huge_gem_object.h"
#include "igt_gem_utils.h"

#define DW_PER_PAGE …

static int live_nop_switch(void *arg)
{ … }

struct parallel_switch { … };

static void __live_parallel_switch1(struct kthread_work *work)
{ … }

static void __live_parallel_switchN(struct kthread_work *work)
{ … }

static int live_parallel_switch(void *arg)
{ … }

static unsigned long real_page_count(struct drm_i915_gem_object *obj)
{ … }

static unsigned long fake_page_count(struct drm_i915_gem_object *obj)
{ … }

static int gpu_fill(struct intel_context *ce,
		    struct drm_i915_gem_object *obj,
		    unsigned int dw)
{ … }

static int cpu_fill(struct drm_i915_gem_object *obj, u32 value)
{ … }

static noinline int cpu_check(struct drm_i915_gem_object *obj,
			      unsigned int idx, unsigned int max)
{ … }

static int file_add_object(struct file *file, struct drm_i915_gem_object *obj)
{ … }

static struct drm_i915_gem_object *
create_test_object(struct i915_address_space *vm,
		   struct file *file,
		   struct list_head *objects)
{ … }

static unsigned long max_dwords(struct drm_i915_gem_object *obj)
{ … }

static void throttle_release(struct i915_request **q, int count)
{ … }

static int throttle(struct intel_context *ce,
		    struct i915_request **q, int count)
{ … }

static int igt_ctx_exec(void *arg)
{ … }

static int igt_shared_ctx_exec(void *arg)
{ … }

static int rpcs_query_batch(struct drm_i915_gem_object *rpcs,
			    struct i915_vma *vma,
			    struct intel_engine_cs *engine)
{ … }

static int
emit_rpcs_query(struct drm_i915_gem_object *obj,
		struct intel_context *ce,
		struct i915_request **rq_out)
{ … }

#define TEST_IDLE …
#define TEST_BUSY …
#define TEST_RESET …

static int
__sseu_prepare(const char *name,
	       unsigned int flags,
	       struct intel_context *ce,
	       struct igt_spinner **spin)
{ … }

static int
__read_slice_count(struct intel_context *ce,
		   struct drm_i915_gem_object *obj,
		   struct igt_spinner *spin,
		   u32 *rpcs)
{ … }

static int
__check_rpcs(const char *name, u32 rpcs, int slices, unsigned int expected,
	     const char *prefix, const char *suffix)
{ … }

static int
__sseu_finish(const char *name,
	      unsigned int flags,
	      struct intel_context *ce,
	      struct drm_i915_gem_object *obj,
	      unsigned int expected,
	      struct igt_spinner *spin)
{ … }

static int
__sseu_test(const char *name,
	    unsigned int flags,
	    struct intel_context *ce,
	    struct drm_i915_gem_object *obj,
	    struct intel_sseu sseu)
{ … }

static int
__igt_ctx_sseu(struct drm_i915_private *i915,
	       const char *name,
	       unsigned int flags)
{ … }

static int igt_ctx_sseu(void *arg)
{ … }

static int igt_ctx_readonly(void *arg)
{ … }

static int check_scratch(struct i915_address_space *vm, u64 offset)
{ … }

static int write_to_scratch(struct i915_gem_context *ctx,
			    struct intel_engine_cs *engine,
			    struct drm_i915_gem_object *obj,
			    u64 offset, u32 value)
{ … }

static int read_from_scratch(struct i915_gem_context *ctx,
			     struct intel_engine_cs *engine,
			     struct drm_i915_gem_object *obj,
			     u64 offset, u32 *value)
{ … }

static int check_scratch_page(struct i915_gem_context *ctx, u32 *out)
{ … }

static int igt_vm_isolation(void *arg)
{ … }

int i915_gem_context_live_selftests(struct drm_i915_private *i915)
{ … }