149 lines
3.8 KiB
C
149 lines
3.8 KiB
C
// SPDX-License-Identifier: MIT
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/*
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* Copyright © 2020 Intel Corporation
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*/
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#include <drm/drm_print.h>
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#include "gt/intel_gt_debugfs.h"
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#include "gt/uc/intel_guc_ads.h"
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#include "gt/uc/intel_guc_ct.h"
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#include "gt/uc/intel_guc_slpc.h"
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#include "gt/uc/intel_guc_submission.h"
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#include "intel_guc.h"
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#include "intel_guc_debugfs.h"
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#include "intel_guc_log_debugfs.h"
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static int guc_info_show(struct seq_file *m, void *data)
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{
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struct intel_guc *guc = m->private;
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struct drm_printer p = drm_seq_file_printer(m);
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if (!intel_guc_is_supported(guc))
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return -ENODEV;
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intel_guc_load_status(guc, &p);
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drm_puts(&p, "\n");
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intel_guc_log_info(&guc->log, &p);
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if (!intel_guc_submission_is_used(guc))
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return 0;
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intel_guc_ct_print_info(&guc->ct, &p);
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intel_guc_submission_print_info(guc, &p);
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intel_guc_ads_print_policy_info(guc, &p);
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return 0;
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}
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DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE(guc_info);
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static int guc_registered_contexts_show(struct seq_file *m, void *data)
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{
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struct intel_guc *guc = m->private;
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struct drm_printer p = drm_seq_file_printer(m);
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if (!intel_guc_submission_is_used(guc))
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return -ENODEV;
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intel_guc_submission_print_context_info(guc, &p);
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return 0;
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}
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DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE(guc_registered_contexts);
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static int guc_slpc_info_show(struct seq_file *m, void *unused)
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{
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struct intel_guc *guc = m->private;
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struct intel_guc_slpc *slpc = &guc->slpc;
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struct drm_printer p = drm_seq_file_printer(m);
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if (!intel_guc_slpc_is_used(guc))
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return -ENODEV;
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return intel_guc_slpc_print_info(slpc, &p);
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}
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DEFINE_INTEL_GT_DEBUGFS_ATTRIBUTE(guc_slpc_info);
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static bool intel_eval_slpc_support(void *data)
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{
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struct intel_guc *guc = (struct intel_guc *)data;
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return intel_guc_slpc_is_used(guc);
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}
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static int guc_sched_disable_delay_ms_get(void *data, u64 *val)
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{
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struct intel_guc *guc = data;
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if (!intel_guc_submission_is_used(guc))
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return -ENODEV;
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*val = (u64)guc->submission_state.sched_disable_delay_ms;
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return 0;
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}
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static int guc_sched_disable_delay_ms_set(void *data, u64 val)
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{
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struct intel_guc *guc = data;
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if (!intel_guc_submission_is_used(guc))
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return -ENODEV;
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/* clamp to a practical limit, 1 minute is reasonable for a longest delay */
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guc->submission_state.sched_disable_delay_ms = min_t(u64, val, 60000);
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return 0;
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}
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DEFINE_SIMPLE_ATTRIBUTE(guc_sched_disable_delay_ms_fops,
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guc_sched_disable_delay_ms_get,
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guc_sched_disable_delay_ms_set, "%lld\n");
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static int guc_sched_disable_gucid_threshold_get(void *data, u64 *val)
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{
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struct intel_guc *guc = data;
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if (!intel_guc_submission_is_used(guc))
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return -ENODEV;
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*val = guc->submission_state.sched_disable_gucid_threshold;
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return 0;
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}
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static int guc_sched_disable_gucid_threshold_set(void *data, u64 val)
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{
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struct intel_guc *guc = data;
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if (!intel_guc_submission_is_used(guc))
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return -ENODEV;
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if (val > intel_guc_sched_disable_gucid_threshold_max(guc))
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guc->submission_state.sched_disable_gucid_threshold =
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intel_guc_sched_disable_gucid_threshold_max(guc);
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else
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guc->submission_state.sched_disable_gucid_threshold = val;
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return 0;
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}
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DEFINE_SIMPLE_ATTRIBUTE(guc_sched_disable_gucid_threshold_fops,
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guc_sched_disable_gucid_threshold_get,
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guc_sched_disable_gucid_threshold_set, "%lld\n");
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void intel_guc_debugfs_register(struct intel_guc *guc, struct dentry *root)
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{
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static const struct intel_gt_debugfs_file files[] = {
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{ "guc_info", &guc_info_fops, NULL },
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{ "guc_registered_contexts", &guc_registered_contexts_fops, NULL },
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{ "guc_slpc_info", &guc_slpc_info_fops, &intel_eval_slpc_support},
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{ "guc_sched_disable_delay_ms", &guc_sched_disable_delay_ms_fops, NULL },
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{ "guc_sched_disable_gucid_threshold", &guc_sched_disable_gucid_threshold_fops,
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NULL },
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};
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if (!intel_guc_is_supported(guc))
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return;
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intel_gt_debugfs_register_files(root, files, ARRAY_SIZE(files), guc);
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intel_guc_log_debugfs_register(&guc->log, root);
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}
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