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");
102