1// SPDX-License-Identifier: MIT 2/* 3 * Copyright �� 2020 Intel Corporation 4 */ 5 6#include <drm/drm_print.h> 7 8#include "gt/intel_gt_debugfs.h" 9#include "gt/uc/intel_guc_ads.h" 10#include "gt/uc/intel_guc_ct.h" 11#include "gt/uc/intel_guc_slpc.h" 12#include "gt/uc/intel_guc_submission.h" 13#include "intel_guc.h" 14#include "intel_guc_debugfs.h" 15#include "intel_guc_log_debugfs.h" 16 17#ifdef notyet 18 19static int guc_info_show(struct seq_file *m, void *data) 20{ 21 struct intel_guc *guc = m->private; 22 struct drm_printer p = drm_seq_file_printer(m); 23 24 if (!intel_guc_is_supported(guc)) 25 return -ENODEV; 26 27 intel_guc_load_status(guc, &p); 28 drm_puts(&p, "\n"); 29 intel_guc_log_info(&guc->log, &p); 30 31 if (!intel_guc_submission_is_used(guc)) 32 return 0; 33 34 intel_guc_ct_print_info(&guc->ct, &p); 35 intel_guc_submission_print_info(guc, &p); 36 intel_guc_ads_print_policy_info(guc, &p); 37 38 return 0; 39} 40DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE(guc_info); 41 42static int guc_registered_contexts_show(struct seq_file *m, void *data) 43{ 44 struct intel_guc *guc = m->private; 45 struct drm_printer p = drm_seq_file_printer(m); 46 47 if (!intel_guc_submission_is_used(guc)) 48 return -ENODEV; 49 50 intel_guc_submission_print_context_info(guc, &p); 51 52 return 0; 53} 54DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE(guc_registered_contexts); 55 56static int guc_slpc_info_show(struct seq_file *m, void *unused) 57{ 58 struct intel_guc *guc = m->private; 59 struct intel_guc_slpc *slpc = &guc->slpc; 60 struct drm_printer p = drm_seq_file_printer(m); 61 62 if (!intel_guc_slpc_is_used(guc)) 63 return -ENODEV; 64 65 return intel_guc_slpc_print_info(slpc, &p); 66} 67DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE(guc_slpc_info); 68 69static bool intel_eval_slpc_support(void *data) 70{ 71 struct intel_guc *guc = (struct intel_guc *)data; 72 73 return intel_guc_slpc_is_used(guc); 74} 75 76static int guc_sched_disable_delay_ms_get(void *data, u64 *val) 77{ 78 struct intel_guc *guc = data; 79 80 if (!intel_guc_submission_is_used(guc)) 81 return -ENODEV; 82 83 *val = (u64)guc->submission_state.sched_disable_delay_ms; 84 85 return 0; 86} 87 88static int guc_sched_disable_delay_ms_set(void *data, u64 val) 89{ 90 struct intel_guc *guc = data; 91 92 if (!intel_guc_submission_is_used(guc)) 93 return -ENODEV; 94 95 /* clamp to a practical limit, 1 minute is reasonable for a longest delay */ 96 guc->submission_state.sched_disable_delay_ms = min_t(u64, val, 60000); 97 98 return 0; 99} 100DEFINE_SIMPLE_ATTRIBUTE(guc_sched_disable_delay_ms_fops, 101 guc_sched_disable_delay_ms_get, 102 guc_sched_disable_delay_ms_set, "%lld\n"); 103 104static int guc_sched_disable_gucid_threshold_get(void *data, u64 *val) 105{ 106 struct intel_guc *guc = data; 107 108 if (!intel_guc_submission_is_used(guc)) 109 return -ENODEV; 110 111 *val = guc->submission_state.sched_disable_gucid_threshold; 112 return 0; 113} 114 115static int guc_sched_disable_gucid_threshold_set(void *data, u64 val) 116{ 117 struct intel_guc *guc = data; 118 119 if (!intel_guc_submission_is_used(guc)) 120 return -ENODEV; 121 122 if (val > intel_guc_sched_disable_gucid_threshold_max(guc)) 123 guc->submission_state.sched_disable_gucid_threshold = 124 intel_guc_sched_disable_gucid_threshold_max(guc); 125 else 126 guc->submission_state.sched_disable_gucid_threshold = val; 127 128 return 0; 129} 130DEFINE_SIMPLE_ATTRIBUTE(guc_sched_disable_gucid_threshold_fops, 131 guc_sched_disable_gucid_threshold_get, 132 guc_sched_disable_gucid_threshold_set, "%lld\n"); 133 134#endif 135 136void intel_guc_debugfs_register(struct intel_guc *guc, struct dentry *root) 137{ 138 STUB(); 139#ifdef notyet 140 static const struct intel_gt_debugfs_file files[] = { 141 { "guc_info", &guc_info_fops, NULL }, 142 { "guc_registered_contexts", &guc_registered_contexts_fops, NULL }, 143 { "guc_slpc_info", &guc_slpc_info_fops, &intel_eval_slpc_support}, 144 { "guc_sched_disable_delay_ms", &guc_sched_disable_delay_ms_fops, NULL }, 145 { "guc_sched_disable_gucid_threshold", &guc_sched_disable_gucid_threshold_fops, 146 NULL }, 147 }; 148 149 if (!intel_guc_is_supported(guc)) 150 return; 151 152 intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), guc); 153 intel_guc_log_debugfs_register(&guc->log, root); 154#endif 155} 156