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1// SPDX-License-Identifier: MIT2/*3 * Copyright © 2020 Intel Corporation4 */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 17static int guc_info_show(struct seq_file *m, void *data)18{19 struct intel_guc *guc = m->private;20 struct drm_printer p = drm_seq_file_printer(m);21 22 if (!intel_guc_is_supported(guc))23 return -ENODEV;24 25 intel_guc_load_status(guc, &p);26 drm_puts(&p, "\n");27 intel_guc_log_info(&guc->log, &p);28 29 if (!intel_guc_submission_is_used(guc))30 return 0;31 32 intel_guc_ct_print_info(&guc->ct, &p);33 intel_guc_submission_print_info(guc, &p);34 intel_guc_ads_print_policy_info(guc, &p);35 36 return 0;37}38DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE(guc_info);39 40static int guc_registered_contexts_show(struct seq_file *m, void *data)41{42 struct intel_guc *guc = m->private;43 struct drm_printer p = drm_seq_file_printer(m);44 45 if (!intel_guc_submission_is_used(guc))46 return -ENODEV;47 48 intel_guc_submission_print_context_info(guc, &p);49 50 return 0;51}52DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE(guc_registered_contexts);53 54static int guc_slpc_info_show(struct seq_file *m, void *unused)55{56 struct intel_guc *guc = m->private;57 struct intel_guc_slpc *slpc = &guc->slpc;58 struct drm_printer p = drm_seq_file_printer(m);59 60 if (!intel_guc_slpc_is_used(guc))61 return -ENODEV;62 63 return intel_guc_slpc_print_info(slpc, &p);64}65DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE(guc_slpc_info);66 67static bool intel_eval_slpc_support(void *data)68{69 struct intel_guc *guc = (struct intel_guc *)data;70 71 return intel_guc_slpc_is_used(guc);72}73 74static int guc_sched_disable_delay_ms_get(void *data, u64 *val)75{76 struct intel_guc *guc = data;77 78 if (!intel_guc_submission_is_used(guc))79 return -ENODEV;80 81 *val = (u64)guc->submission_state.sched_disable_delay_ms;82 83 return 0;84}85 86static int guc_sched_disable_delay_ms_set(void *data, u64 val)87{88 struct intel_guc *guc = data;89 90 if (!intel_guc_submission_is_used(guc))91 return -ENODEV;92 93 /* clamp to a practical limit, 1 minute is reasonable for a longest delay */94 guc->submission_state.sched_disable_delay_ms = min_t(u64, val, 60000);95 96 return 0;97}98DEFINE_SIMPLE_ATTRIBUTE(guc_sched_disable_delay_ms_fops,99 guc_sched_disable_delay_ms_get,100 guc_sched_disable_delay_ms_set, "%lld\n");101 102static int guc_sched_disable_gucid_threshold_get(void *data, u64 *val)103{104 struct intel_guc *guc = data;105 106 if (!intel_guc_submission_is_used(guc))107 return -ENODEV;108 109 *val = guc->submission_state.sched_disable_gucid_threshold;110 return 0;111}112 113static int guc_sched_disable_gucid_threshold_set(void *data, u64 val)114{115 struct intel_guc *guc = data;116 117 if (!intel_guc_submission_is_used(guc))118 return -ENODEV;119 120 if (val > intel_guc_sched_disable_gucid_threshold_max(guc))121 guc->submission_state.sched_disable_gucid_threshold =122 intel_guc_sched_disable_gucid_threshold_max(guc);123 else124 guc->submission_state.sched_disable_gucid_threshold = val;125 126 return 0;127}128DEFINE_SIMPLE_ATTRIBUTE(guc_sched_disable_gucid_threshold_fops,129 guc_sched_disable_gucid_threshold_get,130 guc_sched_disable_gucid_threshold_set, "%lld\n");131 132void intel_guc_debugfs_register(struct intel_guc *guc, struct dentry *root)133{134 static const struct intel_gt_debugfs_file files[] = {135 { "guc_info", &guc_info_fops, NULL },136 { "guc_registered_contexts", &guc_registered_contexts_fops, NULL },137 { "guc_slpc_info", &guc_slpc_info_fops, &intel_eval_slpc_support},138 { "guc_sched_disable_delay_ms", &guc_sched_disable_delay_ms_fops, NULL },139 { "guc_sched_disable_gucid_threshold", &guc_sched_disable_gucid_threshold_fops,140 NULL },141 };142 143 if (!intel_guc_is_supported(guc))144 return;145 146 intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), guc);147 intel_guc_log_debugfs_register(&guc->log, root);148}149