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 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 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