linux/drivers/gpu/drm/xe/tests/xe_pci.c

// SPDX-License-Identifier: GPL-2.0 AND MIT
/*
 * Copyright © 2023 Intel Corporation
 */

#include "tests/xe_pci_test.h"

#include "tests/xe_test.h"

#include <kunit/test-bug.h>
#include <kunit/test.h>
#include <kunit/test-bug.h>
#include <kunit/visibility.h>

struct kunit_test_data { … };

static int dev_to_xe_device_fn(struct device *dev, void *__data)

{ … }

/**
 * xe_call_for_each_device - Iterate over all devices this driver binds to
 * @xe_fn: Function to call for each device.
 *
 * This function iterated over all devices this driver binds to, and calls
 * @xe_fn: for each one of them. If the called function returns anything else
 * than 0, iteration is stopped and the return value is returned by this
 * function. Across each function call, drm_dev_enter() / drm_dev_exit() is
 * called for the corresponding drm device.
 *
 * Return: Number of devices iterated or
 *         the error code of a call to @xe_fn returning an error code.
 */
int xe_call_for_each_device(xe_device_fn xe_fn)
{ … }

/**
 * xe_call_for_each_graphics_ip - Iterate over all recognized graphics IPs
 * @xe_fn: Function to call for each device.
 *
 * This function iterates over the descriptors for all graphics IPs recognized
 * by the driver and calls @xe_fn: for each one of them.
 */
void xe_call_for_each_graphics_ip(xe_graphics_fn xe_fn)
{ … }
EXPORT_SYMBOL_IF_KUNIT(…);

/**
 * xe_call_for_each_media_ip - Iterate over all recognized media IPs
 * @xe_fn: Function to call for each device.
 *
 * This function iterates over the descriptors for all media IPs recognized
 * by the driver and calls @xe_fn: for each one of them.
 */
void xe_call_for_each_media_ip(xe_media_fn xe_fn)
{ … }
EXPORT_SYMBOL_IF_KUNIT(…);

static void fake_read_gmdid(struct xe_device *xe, enum xe_gmdid_type type,
			    u32 *ver, u32 *revid)
{ … }

int xe_pci_fake_device_init(struct xe_device *xe)
{ … }
EXPORT_SYMBOL_IF_KUNIT(…);