+// SPDX-License-Identifier: GPL-2.0
/*
* Intel SOC Telemetry debugfs Driver: Currently supports APL
* Copyright (c) 2015, Intel Corporation.
* All Rights Reserved.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
* This file provides the debugfs interfaces for telemetry.
* /sys/kernel/debug/telemetry/pss_info: Shows Primary Control Sub-Sys Counters
* /sys/kernel/debug/telemetry/ioss_info: Shows IO Sub-System Counters
#define TELEM_IOSS_DX_D0IX_EVTS 25
#define TELEM_IOSS_PG_EVTS 30
-#define TELEM_DEBUGFS_CPU(model, data) \
- { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, (unsigned long)&data}
-
#define TELEM_CHECK_AND_PARSE_EVTS(EVTID, EVTNUM, BUF, EVTLOG, EVTDAT, MASK) { \
if (evtlog[index].telem_evtid == (EVTID)) { \
for (idx = 0; idx < (EVTNUM); idx++) \
};
static const struct x86_cpu_id telemetry_debugfs_cpu_ids[] = {
- TELEM_DEBUGFS_CPU(INTEL_FAM6_ATOM_GOLDMONT, telem_apl_debugfs_conf),
- TELEM_DEBUGFS_CPU(INTEL_FAM6_ATOM_GOLDMONT_PLUS, telem_apl_debugfs_conf),
+ INTEL_CPU_FAM6(ATOM_GOLDMONT, telem_apl_debugfs_conf),
+ INTEL_CPU_FAM6(ATOM_GOLDMONT_PLUS, telem_apl_debugfs_conf),
{}
};
debugfs_conf = (struct telemetry_debugfs_conf *)id->driver_data;
err = telemetry_pltconfig_valid();
- if (err < 0)
+ if (err < 0) {
+ pr_info("Invalid pltconfig, ensure IPC1 device is enabled in BIOS\n");
return -ENODEV;
+ }
err = telemetry_debugfs_check_evts();
- if (err < 0)
+ if (err < 0) {
+ pr_info("telemetry_debugfs_check_evts failed\n");
return -EINVAL;
+ }
register_pm_notifier(&pm_notifier);
MODULE_AUTHOR("Souvik Kumar Chakravarty <souvik.k.chakravarty@intel.com>");
MODULE_DESCRIPTION("Intel SoC Telemetry debugfs Interface");
MODULE_VERSION(DRIVER_VERSION);
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");