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
16 struct 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
23 module_param_named_unsafe(force_execlist, xe_modparam.force_execlist, bool, 0444);
24 MODULE_PARM_DESC(force_execlist, "Force Execlist submission");
25
26 module_param_named(enable_display, xe_modparam.enable_display, bool, 0444);
27 MODULE_PARM_DESC(enable_display, "Enable display");
28
29 module_param_named(vram_bar_size, xe_modparam.force_vram_bar_size, uint, 0600);
30 MODULE_PARM_DESC(vram_bar_size, "Set the vram bar size(in MiB)");
31
32 module_param_named(guc_log_level, xe_modparam.guc_log_level, int, 0600);
33 MODULE_PARM_DESC(guc_log_level, "GuC firmware logging level (0=disable, 1..5=enable with verbosity min..max)");
34
35 module_param_named_unsafe(guc_firmware_path, xe_modparam.guc_firmware_path, charp, 0400);
36 MODULE_PARM_DESC(guc_firmware_path,
37 "GuC firmware path to use instead of the default one");
38
39 module_param_named_unsafe(huc_firmware_path, xe_modparam.huc_firmware_path, charp, 0400);
40 MODULE_PARM_DESC(huc_firmware_path,
41 "HuC firmware path to use instead of the default one - empty string disables");
42
43 module_param_named_unsafe(gsc_firmware_path, xe_modparam.gsc_firmware_path, charp, 0400);
44 MODULE_PARM_DESC(gsc_firmware_path,
45 "GSC firmware path to use instead of the default one - empty string disables");
46
47 module_param_named_unsafe(force_probe, xe_modparam.force_probe, charp, 0400);
48 MODULE_PARM_DESC(force_probe,
49 "Force probe options for specified devices. See CONFIG_DRM_XE_FORCE_PROBE for details.");
50
51 struct init_funcs {
52 int (*init)(void);
53 void (*exit)(void);
54 };
55
56 static 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
xe_init(void)71 static 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
xe_exit(void)87 static 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
95 module_init(xe_init);
96 module_exit(xe_exit);
97
98 MODULE_AUTHOR("Intel Corporation");
99
100 MODULE_DESCRIPTION(DRIVER_DESC);
101 MODULE_LICENSE("GPL and additional rights");
102