// SPDX-License-Identifier: GPL-2.0-only // // Copyright(c) 2022 Intel Corporation #include <linux/debugfs.h> #include <linux/sched/signal.h> #include <linux/sched/clock.h> #include <sound/sof/ipc4/header.h> #include "sof-priv.h" #include "ipc4-priv.h" /* * debug info window is organized in 16 (equal sized) pages: * * ------------------------ * | Page0 - descriptors | * ------------------------ * | Page1 - slot0 | * ------------------------ * | Page2 - slot1 | * ------------------------ * | ... | * ------------------------ * | Page14 - slot13 | * ------------------------ * | Page15 - slot14 | * ------------------------ * * The slot size == page size * * The first page contains descriptors for the remaining 15 cores * The slot descriptor is: * u32 res_id; * u32 type; * u32 vma; * * Log buffer slots have the following layout: * u32 host_read_ptr; * u32 dsp_write_ptr; * u8 buffer[]; * * The two pointers are offsets within the buffer. */ #define FW_EPOCH_DELTA … #define MAX_ALLOWED_LIBRARIES … #define SOF_IPC4_INVALID_SLOT_OFFSET … /* for debug and critical types */ #define SOF_MTRACE_SLOT_CORE_MASK … #define SOF_MTRACE_SLOT_TYPE_MASK … #define DEFAULT_AGING_TIMER_PERIOD_MS … #define DEFAULT_FIFO_FULL_TIMER_PERIOD_MS … /* ipc4 log level and source definitions for logs_priorities_mask */ #define SOF_MTRACE_LOG_LEVEL_CRITICAL … #define SOF_MTRACE_LOG_LEVEL_ERROR … #define SOF_MTRACE_LOG_LEVEL_WARNING … #define SOF_MTRACE_LOG_LEVEL_INFO … #define SOF_MTRACE_LOG_LEVEL_VERBOSE … #define SOF_MTRACE_LOG_SOURCE_INFRA … #define SOF_MTRACE_LOG_SOURCE_HAL … #define SOF_MTRACE_LOG_SOURCE_MODULE … #define SOF_MTRACE_LOG_SOURCE_AUDIO … #define SOF_MTRACE_LOG_SOURCE_SCHEDULER … #define SOF_MTRACE_LOG_SOURCE_ULP_INFRA … #define SOF_MTRACE_LOG_SOURCE_ULP_MODULE … #define SOF_MTRACE_LOG_SOURCE_VISION … #define DEFAULT_LOGS_PRIORITIES_MASK … struct sof_log_state_info { … } __packed; enum sof_mtrace_state { … }; struct sof_mtrace_core_data { … }; struct sof_mtrace_priv { … }; static int sof_ipc4_mtrace_dfs_open(struct inode *inode, struct file *file) { … } static bool sof_wait_mtrace_avail(struct sof_mtrace_core_data *core_data) { … } static ssize_t sof_ipc4_mtrace_dfs_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) { … } static int sof_ipc4_mtrace_dfs_release(struct inode *inode, struct file *file) { … } static const struct file_operations sof_dfs_mtrace_fops = …; static ssize_t sof_ipc4_priority_mask_dfs_read(struct file *file, char __user *to, size_t count, loff_t *ppos) { … } static ssize_t sof_ipc4_priority_mask_dfs_write(struct file *file, const char __user *from, size_t count, loff_t *ppos) { … } static const struct file_operations sof_dfs_priority_mask_fops = …; static int mtrace_debugfs_create(struct snd_sof_dev *sdev) { … } static int ipc4_mtrace_enable(struct snd_sof_dev *sdev) { … } static void ipc4_mtrace_disable(struct snd_sof_dev *sdev) { … } /* * Each DSP core logs to a dedicated slot. * Parse the slot descriptors at debug_box offset to find the debug log slots * and map them to cores. * There are 15 slots and therefore 15 descriptors to check (MAX_MTRACE_SLOTS) */ static void sof_mtrace_find_core_slots(struct snd_sof_dev *sdev) { … } static int ipc4_mtrace_init(struct snd_sof_dev *sdev) { … } static void ipc4_mtrace_free(struct snd_sof_dev *sdev) { … } static int sof_ipc4_mtrace_update_pos_all_cores(struct snd_sof_dev *sdev) { … } int sof_ipc4_mtrace_update_pos(struct snd_sof_dev *sdev, int core) { … } static void ipc4_mtrace_fw_crashed(struct snd_sof_dev *sdev) { … } static int ipc4_mtrace_resume(struct snd_sof_dev *sdev) { … } static void ipc4_mtrace_suspend(struct snd_sof_dev *sdev, pm_message_t pm_state) { … } const struct sof_ipc_fw_tracing_ops ipc4_mtrace_ops = …;
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