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