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Diffstat (limited to 'sound/soc/sof/debug.c')
-rw-r--r--sound/soc/sof/debug.c142
1 files changed, 130 insertions, 12 deletions
diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c
index dc1df5fb7b4c..6d6757075f7c 100644
--- a/sound/soc/sof/debug.c
+++ b/sound/soc/sof/debug.c
@@ -336,6 +336,104 @@ static int sof_debug_ipc_flood_test(struct snd_sof_dev *sdev,
}
#endif
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_MSG_INJECTOR)
+static ssize_t msg_inject_read(struct file *file, char __user *buffer,
+ size_t count, loff_t *ppos)
+{
+ struct snd_sof_dfsentry *dfse = file->private_data;
+ struct sof_ipc_reply *rhdr = dfse->msg_inject_rx;
+
+ if (!rhdr->hdr.size || !count || *ppos)
+ return 0;
+
+ if (count > rhdr->hdr.size)
+ count = rhdr->hdr.size;
+
+ if (copy_to_user(buffer, dfse->msg_inject_rx, count))
+ return -EFAULT;
+
+ *ppos += count;
+ return count;
+}
+
+static ssize_t msg_inject_write(struct file *file, const char __user *buffer,
+ size_t count, loff_t *ppos)
+{
+ struct snd_sof_dfsentry *dfse = file->private_data;
+ struct snd_sof_dev *sdev = dfse->sdev;
+ struct sof_ipc_cmd_hdr *hdr = dfse->msg_inject_tx;
+ size_t size;
+ int ret, err;
+
+ if (*ppos)
+ return 0;
+
+ size = simple_write_to_buffer(dfse->msg_inject_tx, SOF_IPC_MSG_MAX_SIZE,
+ ppos, buffer, count);
+ if (size != count)
+ return size > 0 ? -EFAULT : size;
+
+ ret = pm_runtime_get_sync(sdev->dev);
+ if (ret < 0 && ret != -EACCES) {
+ dev_err_ratelimited(sdev->dev, "%s: DSP resume failed: %d\n",
+ __func__, ret);
+ pm_runtime_put_noidle(sdev->dev);
+ goto out;
+ }
+
+ /* send the message */
+ memset(dfse->msg_inject_rx, 0, SOF_IPC_MSG_MAX_SIZE);
+ ret = sof_ipc_tx_message(sdev->ipc, hdr->cmd, dfse->msg_inject_tx, count,
+ dfse->msg_inject_rx, SOF_IPC_MSG_MAX_SIZE);
+
+ pm_runtime_mark_last_busy(sdev->dev);
+ err = pm_runtime_put_autosuspend(sdev->dev);
+ if (err < 0)
+ dev_err_ratelimited(sdev->dev, "%s: DSP idle failed: %d\n",
+ __func__, err);
+
+ /* return size if test is successful */
+ if (ret >= 0)
+ ret = size;
+
+out:
+ return ret;
+}
+
+static const struct file_operations msg_inject_fops = {
+ .open = simple_open,
+ .read = msg_inject_read,
+ .write = msg_inject_write,
+ .llseek = default_llseek,
+};
+
+static int snd_sof_debugfs_msg_inject_item(struct snd_sof_dev *sdev,
+ const char *name, mode_t mode,
+ const struct file_operations *fops)
+{
+ struct snd_sof_dfsentry *dfse;
+
+ dfse = devm_kzalloc(sdev->dev, sizeof(*dfse), GFP_KERNEL);
+ if (!dfse)
+ return -ENOMEM;
+
+ /* pre allocate the tx and rx buffers */
+ dfse->msg_inject_tx = devm_kzalloc(sdev->dev, SOF_IPC_MSG_MAX_SIZE, GFP_KERNEL);
+ dfse->msg_inject_rx = devm_kzalloc(sdev->dev, SOF_IPC_MSG_MAX_SIZE, GFP_KERNEL);
+ if (!dfse->msg_inject_tx || !dfse->msg_inject_rx)
+ return -ENOMEM;
+
+ dfse->type = SOF_DFSENTRY_TYPE_BUF;
+ dfse->sdev = sdev;
+
+ debugfs_create_file(name, mode, sdev->debugfs_root, dfse, fops);
+ /* add to dfsentry list */
+ list_add(&dfse->list, &sdev->dfsentry_list);
+
+ return 0;
+}
+#endif
+
static ssize_t sof_dfsentry_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
{
@@ -812,6 +910,15 @@ int snd_sof_dbg_init(struct snd_sof_dev *sdev)
return err;
#endif
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_IPC_MSG_INJECTOR)
+ err = snd_sof_debugfs_msg_inject_item(sdev, "ipc_msg_inject", 0644,
+ &msg_inject_fops);
+
+ /* errors are only due to memory allocation, not debugfs */
+ if (err < 0)
+ return err;
+#endif
+
return 0;
}
EXPORT_SYMBOL_GPL(snd_sof_dbg_init);
@@ -823,7 +930,7 @@ void snd_sof_free_debug(struct snd_sof_dev *sdev)
EXPORT_SYMBOL_GPL(snd_sof_free_debug);
static const struct soc_fw_state_info {
- enum snd_sof_fw_state state;
+ enum sof_fw_state state;
const char *name;
} fw_state_dbg[] = {
{SOF_FW_BOOT_NOT_STARTED, "SOF_FW_BOOT_NOT_STARTED"},
@@ -831,37 +938,47 @@ static const struct soc_fw_state_info {
{SOF_FW_BOOT_IN_PROGRESS, "SOF_FW_BOOT_IN_PROGRESS"},
{SOF_FW_BOOT_FAILED, "SOF_FW_BOOT_FAILED"},
{SOF_FW_BOOT_READY_FAILED, "SOF_FW_BOOT_READY_FAILED"},
+ {SOF_FW_BOOT_READY_OK, "SOF_FW_BOOT_READY_OK"},
{SOF_FW_BOOT_COMPLETE, "SOF_FW_BOOT_COMPLETE"},
+ {SOF_FW_CRASHED, "SOF_FW_CRASHED"},
};
-static void snd_sof_dbg_print_fw_state(struct snd_sof_dev *sdev)
+static void snd_sof_dbg_print_fw_state(struct snd_sof_dev *sdev, const char *level)
{
int i;
for (i = 0; i < ARRAY_SIZE(fw_state_dbg); i++) {
if (sdev->fw_state == fw_state_dbg[i].state) {
- dev_err(sdev->dev, "fw_state: %s (%d)\n", fw_state_dbg[i].name, i);
+ dev_printk(level, sdev->dev, "fw_state: %s (%d)\n",
+ fw_state_dbg[i].name, i);
return;
}
}
- dev_err(sdev->dev, "fw_state: UNKNOWN (%d)\n", sdev->fw_state);
+ dev_printk(level, sdev->dev, "fw_state: UNKNOWN (%d)\n", sdev->fw_state);
}
-void snd_sof_dsp_dbg_dump(struct snd_sof_dev *sdev, u32 flags)
+void snd_sof_dsp_dbg_dump(struct snd_sof_dev *sdev, const char *msg, u32 flags)
{
- bool print_all = !!(sof_core_debug & SOF_DBG_PRINT_ALL_DUMPS);
+ char *level = flags & SOF_DBG_DUMP_OPTIONAL ? KERN_DEBUG : KERN_ERR;
+ bool print_all = sof_debug_check_flag(SOF_DBG_PRINT_ALL_DUMPS);
if (flags & SOF_DBG_DUMP_OPTIONAL && !print_all)
return;
if (sof_ops(sdev)->dbg_dump && !sdev->dbg_dump_printed) {
- dev_err(sdev->dev, "------------[ DSP dump start ]------------\n");
- snd_sof_dbg_print_fw_state(sdev);
+ dev_printk(level, sdev->dev,
+ "------------[ DSP dump start ]------------\n");
+ if (msg)
+ dev_printk(level, sdev->dev, "%s\n", msg);
+ snd_sof_dbg_print_fw_state(sdev, level);
sof_ops(sdev)->dbg_dump(sdev, flags);
- dev_err(sdev->dev, "------------[ DSP dump end ]------------\n");
+ dev_printk(level, sdev->dev,
+ "------------[ DSP dump end ]------------\n");
if (!print_all)
sdev->dbg_dump_printed = true;
+ } else if (msg) {
+ dev_printk(level, sdev->dev, "%s\n", msg);
}
}
EXPORT_SYMBOL(snd_sof_dsp_dbg_dump);
@@ -872,7 +989,7 @@ static void snd_sof_ipc_dump(struct snd_sof_dev *sdev)
dev_err(sdev->dev, "------------[ IPC dump start ]------------\n");
sof_ops(sdev)->ipc_dump(sdev);
dev_err(sdev->dev, "------------[ IPC dump end ]------------\n");
- if (!(sof_core_debug & SOF_DBG_PRINT_ALL_DUMPS))
+ if (!sof_debug_check_flag(SOF_DBG_PRINT_ALL_DUMPS))
sdev->ipc_dump_printed = true;
}
}
@@ -880,7 +997,7 @@ static void snd_sof_ipc_dump(struct snd_sof_dev *sdev)
void snd_sof_handle_fw_exception(struct snd_sof_dev *sdev)
{
if (IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_RETAIN_DSP_CONTEXT) ||
- (sof_core_debug & SOF_DBG_RETAIN_CTX)) {
+ sof_debug_check_flag(SOF_DBG_RETAIN_CTX)) {
/* should we prevent DSP entering D3 ? */
if (!sdev->ipc_dump_printed)
dev_info(sdev->dev,
@@ -890,7 +1007,8 @@ void snd_sof_handle_fw_exception(struct snd_sof_dev *sdev)
/* dump vital information to the logs */
snd_sof_ipc_dump(sdev);
- snd_sof_dsp_dbg_dump(sdev, SOF_DBG_DUMP_REGS | SOF_DBG_DUMP_MBOX);
+ snd_sof_dsp_dbg_dump(sdev, "Firmware exception",
+ SOF_DBG_DUMP_REGS | SOF_DBG_DUMP_MBOX);
snd_sof_trace_notify_for_error(sdev);
}
EXPORT_SYMBOL(snd_sof_handle_fw_exception);
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-07 09:31:29 +0300