1 // SPDX-License-Identifier: MIT 2 /* 3 * Copyright © 2022 Intel Corporation 4 */ 5 6 #include "xe_guc_debugfs.h" 7 8 #include <drm/drm_debugfs.h> 9 #include <drm/drm_managed.h> 10 11 #include "xe_device.h" 12 #include "xe_gt.h" 13 #include "xe_guc.h" 14 #include "xe_guc_ct.h" 15 #include "xe_guc_log.h" 16 #include "xe_macros.h" 17 18 static struct xe_gt * 19 guc_to_gt(struct xe_guc *guc) 20 { 21 return container_of(guc, struct xe_gt, uc.guc); 22 } 23 24 static struct xe_device * 25 guc_to_xe(struct xe_guc *guc) 26 { 27 return gt_to_xe(guc_to_gt(guc)); 28 } 29 30 static struct xe_guc *node_to_guc(struct drm_info_node *node) 31 { 32 return node->info_ent->data; 33 } 34 35 static int guc_info(struct seq_file *m, void *data) 36 { 37 struct xe_guc *guc = node_to_guc(m->private); 38 struct xe_device *xe = guc_to_xe(guc); 39 struct drm_printer p = drm_seq_file_printer(m); 40 41 xe_device_mem_access_get(xe); 42 xe_guc_print_info(guc, &p); 43 xe_device_mem_access_put(xe); 44 45 return 0; 46 } 47 48 static int guc_log(struct seq_file *m, void *data) 49 { 50 struct xe_guc *guc = node_to_guc(m->private); 51 struct xe_device *xe = guc_to_xe(guc); 52 struct drm_printer p = drm_seq_file_printer(m); 53 54 xe_device_mem_access_get(xe); 55 xe_guc_log_print(&guc->log, &p); 56 xe_device_mem_access_put(xe); 57 58 return 0; 59 } 60 61 #ifdef XE_GUC_CT_SELFTEST 62 static int guc_ct_selftest(struct seq_file *m, void *data) 63 { 64 struct xe_guc *guc = node_to_guc(m->private); 65 struct xe_device *xe = guc_to_xe(guc); 66 struct drm_printer p = drm_seq_file_printer(m); 67 68 xe_device_mem_access_get(xe); 69 xe_guc_ct_selftest(&guc->ct, &p); 70 xe_device_mem_access_put(xe); 71 72 return 0; 73 } 74 #endif 75 76 static const struct drm_info_list debugfs_list[] = { 77 {"guc_info", guc_info, 0}, 78 {"guc_log", guc_log, 0}, 79 #ifdef XE_GUC_CT_SELFTEST 80 {"guc_ct_selftest", guc_ct_selftest, 0}, 81 #endif 82 }; 83 84 void xe_guc_debugfs_register(struct xe_guc *guc, struct dentry *parent) 85 { 86 struct drm_minor *minor = guc_to_xe(guc)->drm.primary; 87 struct drm_info_list *local; 88 int i; 89 90 #define DEBUGFS_SIZE ARRAY_SIZE(debugfs_list) * sizeof(struct drm_info_list) 91 local = drmm_kmalloc(&guc_to_xe(guc)->drm, DEBUGFS_SIZE, GFP_KERNEL); 92 if (!local) { 93 XE_WARN_ON("Couldn't allocate memory"); 94 return; 95 } 96 97 memcpy(local, debugfs_list, DEBUGFS_SIZE); 98 #undef DEBUGFS_SIZE 99 100 for (i = 0; i < ARRAY_SIZE(debugfs_list); ++i) 101 local[i].data = guc; 102 103 drm_debugfs_create_files(local, 104 ARRAY_SIZE(debugfs_list), 105 parent, minor); 106 } 107