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[1/8] ASoC: SOF: Introduce IPC independent ops for firmware tracing support

Message ID 20220516104711.26115-2-peter.ujfalusi@linux.intel.com
State Accepted
Commit 0cfbaee21fcbf131f02c475dbc15f8a18ee621bc
Headers show
Series ASoC: SOF: Introduce generic (in)firmware tracing infrastructure | expand

Commit Message

Peter Ujfalusi May 16, 2022, 10:47 a.m. UTC 
The current (dma-)trace is only supported with IPC3, it is not available
when IPC4 is used.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
---
 sound/soc/sof/sof-priv.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
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Patch

diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h
index 8ea196305e4b..a7ffb6ecf332 100644
--- a/sound/soc/sof/sof-priv.h
+++ b/sound/soc/sof/sof-priv.h
@@ -357,6 +357,22 @@  struct snd_sof_ipc_msg {
 	bool ipc_complete;
 };
 
+/**
+ * struct sof_ipc_fw_tracing_ops - IPC-specific firmware tracing ops
+ * @init:	Function pointer for initialization of the tracing
+ * @free:	Optional function pointer for freeing of the tracing
+ * @fw_crashed:	Optional function pointer to notify the tracing of a firmware crash
+ * @suspend:	Function pointer for system/runtime suspend
+ * @resume:	Function pointer for system/runtime resume
+ */
+struct sof_ipc_fw_tracing_ops {
+	int (*init)(struct snd_sof_dev *sdev);
+	void (*free)(struct snd_sof_dev *sdev);
+	void (*fw_crashed)(struct snd_sof_dev *sdev);
+	void (*suspend)(struct snd_sof_dev *sdev, pm_message_t pm_state);
+	int (*resume)(struct snd_sof_dev *sdev);
+};
+
 /**
  * struct sof_ipc_pm_ops - IPC-specific PM ops
  * @ctx_save:		Function pointer for context save
@@ -395,6 +411,7 @@  struct sof_ipc_pcm_ops;
  * @pm:		Pointer to PM ops
  * @pcm:	Pointer to PCM ops
  * @fw_loader:	Pointer to Firmware Loader ops
+ * @fw_tracing:	Pointer to Firmware tracing ops
  *
  * @tx_msg:	Function pointer for sending a 'short' IPC message
  * @set_get_data: Function pointer for set/get data ('large' IPC message). This
@@ -415,6 +432,7 @@  struct sof_ipc_ops {
 	const struct sof_ipc_pm_ops *pm;
 	const struct sof_ipc_pcm_ops *pcm;
 	const struct sof_ipc_fw_loader_ops *fw_loader;
+	const struct sof_ipc_fw_tracing_ops *fw_tracing;
 
 	int (*tx_msg)(struct snd_sof_dev *sdev, void *msg_data, size_t msg_bytes,
 		      void *reply_data, size_t reply_bytes, bool no_pm);