1// SPDX-License-Identifier: MIT
  2/*
  3 * Copyright © 2021 Intel Corporation
  4 */
  5
  6#include "xe_module.h"
  7
  8#include <linux/init.h>
  9#include <linux/module.h>
 10
 11#include "xe_drv.h"
 12#include "xe_hw_fence.h"
 13#include "xe_pci.h"
 14#include "xe_sched_job.h"
 15
 16struct xe_modparam xe_modparam = {
 17	.enable_display = true,
 18	.guc_log_level = 5,
 19	.force_probe = CONFIG_DRM_XE_FORCE_PROBE,
 20	/* the rest are 0 by default */
 21};
 22
 23module_param_named_unsafe(force_execlist, xe_modparam.force_execlist, bool, 0444);
 24MODULE_PARM_DESC(force_execlist, "Force Execlist submission");
 25
 26module_param_named(enable_display, xe_modparam.enable_display, bool, 0444);
 27MODULE_PARM_DESC(enable_display, "Enable display");
 28
 29module_param_named(vram_bar_size, xe_modparam.force_vram_bar_size, uint, 0600);
 30MODULE_PARM_DESC(vram_bar_size, "Set the vram bar size(in MiB)");
 31
 32module_param_named(guc_log_level, xe_modparam.guc_log_level, int, 0600);
 33MODULE_PARM_DESC(guc_log_level, "GuC firmware logging level (0=disable, 1..5=enable with verbosity min..max)");
 34
 35module_param_named_unsafe(guc_firmware_path, xe_modparam.guc_firmware_path, charp, 0400);
 36MODULE_PARM_DESC(guc_firmware_path,
 37		 "GuC firmware path to use instead of the default one");
 38
 39module_param_named_unsafe(huc_firmware_path, xe_modparam.huc_firmware_path, charp, 0400);
 40MODULE_PARM_DESC(huc_firmware_path,
 41		 "HuC firmware path to use instead of the default one - empty string disables");
 42
 43module_param_named_unsafe(gsc_firmware_path, xe_modparam.gsc_firmware_path, charp, 0400);
 44MODULE_PARM_DESC(gsc_firmware_path,
 45		 "GSC firmware path to use instead of the default one - empty string disables");
 46
 47module_param_named_unsafe(force_probe, xe_modparam.force_probe, charp, 0400);
 48MODULE_PARM_DESC(force_probe,
 49		 "Force probe options for specified devices. See CONFIG_DRM_XE_FORCE_PROBE for details.");
 50
 51struct init_funcs {
 52	int (*init)(void);
 53	void (*exit)(void);
 54};
 55
 56static const struct init_funcs init_funcs[] = {
 57	{
 58		.init = xe_hw_fence_module_init,
 59		.exit = xe_hw_fence_module_exit,
 60	},
 61	{
 62		.init = xe_sched_job_module_init,
 63		.exit = xe_sched_job_module_exit,
 64	},
 65	{
 66		.init = xe_register_pci_driver,
 67		.exit = xe_unregister_pci_driver,
 68	},
 69};
 70
 71static int __init xe_init(void)
 72{
 73	int err, i;
 74
 75	for (i = 0; i < ARRAY_SIZE(init_funcs); i++) {
 76		err = init_funcs[i].init();
 77		if (err) {
 78			while (i--)
 79				init_funcs[i].exit();
 80			return err;
 81		}
 82	}
 83
 84	return 0;
 85}
 86
 87static void __exit xe_exit(void)
 88{
 89	int i;
 90
 91	for (i = ARRAY_SIZE(init_funcs) - 1; i >= 0; i--)
 92		init_funcs[i].exit();
 93}
 94
 95module_init(xe_init);
 96module_exit(xe_exit);
 97
 98MODULE_AUTHOR("Intel Corporation");
 99
100MODULE_DESCRIPTION(DRIVER_DESC);
101MODULE_LICENSE("GPL and additional rights");