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_pmu.h" 15 #include "xe_sched_job.h" 16 17 struct xe_modparam xe_modparam = { 18 .enable_display = true, 19 .guc_log_level = 5, 20 .force_probe = CONFIG_DRM_XE_FORCE_PROBE, 21 /* the rest are 0 by default */ 22 }; 23 24 module_param_named_unsafe(force_execlist, xe_modparam.force_execlist, bool, 0444); 25 MODULE_PARM_DESC(force_execlist, "Force Execlist submission"); 26 27 module_param_named(enable_display, xe_modparam.enable_display, bool, 0444); 28 MODULE_PARM_DESC(enable_display, "Enable display"); 29 30 module_param_named(vram_bar_size, xe_modparam.force_vram_bar_size, uint, 0600); 31 MODULE_PARM_DESC(vram_bar_size, "Set the vram bar size(in MiB)"); 32 33 module_param_named(guc_log_level, xe_modparam.guc_log_level, int, 0600); 34 MODULE_PARM_DESC(guc_log_level, "GuC firmware logging level (0=disable, 1..5=enable with verbosity min..max)"); 35 36 module_param_named_unsafe(guc_firmware_path, xe_modparam.guc_firmware_path, charp, 0400); 37 MODULE_PARM_DESC(guc_firmware_path, 38 "GuC firmware path to use instead of the default one"); 39 40 module_param_named_unsafe(huc_firmware_path, xe_modparam.huc_firmware_path, charp, 0400); 41 MODULE_PARM_DESC(huc_firmware_path, 42 "HuC firmware path to use instead of the default one - empty string disables"); 43 44 module_param_named_unsafe(gsc_firmware_path, xe_modparam.gsc_firmware_path, charp, 0400); 45 MODULE_PARM_DESC(gsc_firmware_path, 46 "GSC firmware path to use instead of the default one - empty string disables"); 47 48 module_param_named_unsafe(force_probe, xe_modparam.force_probe, charp, 0400); 49 MODULE_PARM_DESC(force_probe, 50 "Force probe options for specified devices. See CONFIG_DRM_XE_FORCE_PROBE for details."); 51 52 struct init_funcs { 53 int (*init)(void); 54 void (*exit)(void); 55 }; 56 57 static const struct init_funcs init_funcs[] = { 58 { 59 .init = xe_hw_fence_module_init, 60 .exit = xe_hw_fence_module_exit, 61 }, 62 { 63 .init = xe_sched_job_module_init, 64 .exit = xe_sched_job_module_exit, 65 }, 66 { 67 .init = xe_pmu_init, 68 .exit = xe_pmu_exit, 69 }, 70 { 71 .init = xe_register_pci_driver, 72 .exit = xe_unregister_pci_driver, 73 }, 74 }; 75 76 static int __init xe_init(void) 77 { 78 int err, i; 79 80 for (i = 0; i < ARRAY_SIZE(init_funcs); i++) { 81 err = init_funcs[i].init(); 82 if (err) { 83 while (i--) 84 init_funcs[i].exit(); 85 return err; 86 } 87 } 88 89 return 0; 90 } 91 92 static void __exit xe_exit(void) 93 { 94 int i; 95 96 for (i = ARRAY_SIZE(init_funcs) - 1; i >= 0; i--) 97 init_funcs[i].exit(); 98 } 99 100 module_init(xe_init); 101 module_exit(xe_exit); 102 103 MODULE_AUTHOR("Intel Corporation"); 104 105 MODULE_DESCRIPTION(DRIVER_DESC); 106 MODULE_LICENSE("GPL and additional rights"); 107