1 // SPDX-License-Identifier: MIT 2 /* 3 * Copyright © 2020 Intel Corporation 4 */ 5 6 #include <linux/debugfs.h> 7 #include <drm/drm_print.h> 8 9 #include "gt/intel_gt_debugfs.h" 10 #include "intel_guc_debugfs.h" 11 #include "intel_huc_debugfs.h" 12 #include "intel_uc.h" 13 #include "intel_uc_debugfs.h" 14 15 static int uc_usage_show(struct seq_file *m, void *data) 16 { 17 struct intel_uc *uc = m->private; 18 struct drm_printer p = drm_seq_file_printer(m); 19 20 drm_printf(&p, "[guc] supported:%s wanted:%s used:%s\n", 21 yesno(intel_uc_supports_guc(uc)), 22 yesno(intel_uc_wants_guc(uc)), 23 yesno(intel_uc_uses_guc(uc))); 24 drm_printf(&p, "[huc] supported:%s wanted:%s used:%s\n", 25 yesno(intel_uc_supports_huc(uc)), 26 yesno(intel_uc_wants_huc(uc)), 27 yesno(intel_uc_uses_huc(uc))); 28 drm_printf(&p, "[submission] supported:%s wanted:%s used:%s\n", 29 yesno(intel_uc_supports_guc_submission(uc)), 30 yesno(intel_uc_wants_guc_submission(uc)), 31 yesno(intel_uc_uses_guc_submission(uc))); 32 33 return 0; 34 } 35 DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE(uc_usage); 36 37 void intel_uc_debugfs_register(struct intel_uc *uc, struct dentry *gt_root) 38 { 39 static const struct intel_gt_debugfs_file files[] = { 40 { "usage", &uc_usage_fops, NULL }, 41 }; 42 struct dentry *root; 43 44 if (!gt_root) 45 return; 46 47 /* GuC and HuC go always in pair, no need to check both */ 48 if (!intel_uc_supports_guc(uc)) 49 return; 50 51 root = debugfs_create_dir("uc", gt_root); 52 if (IS_ERR(root)) 53 return; 54 55 intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), uc); 56 57 intel_guc_debugfs_register(&uc->guc, root); 58 intel_huc_debugfs_register(&uc->huc, root); 59 } 60